2005-06-30 J. D. Johnston <jjohnst@us.ibm.com>
[official-gcc.git] / gcc / ChangeLog
blob96fd17418c88b8c1b72de47ecde95cfef6b384ca
1 2005-06-30  J. D. Johnston  <jjohnst@us.ibm.com>
3         * gthr-tpf.h (CE2THRCPTR): Change field offset to 16.
5 2005-06-30  Kazu Hirata  <kazu@codesourcery.com>
7         * config/c4x/c4x-protos.h: Remove the prototypes for those
8         functions removed from c4x.c.  Add prototypes for those
9         functions exported in c4x.c.
10         * config/c4x/c4x.c (any_operand, fp_zero_operand,
11         const_operand, stik_const_operand, not_const_operand,
12         reg_operand, r0r1_reg_operand, r2r3_reg_operand,
13         ext_low_reg_operand, ext_reg_operand, std_reg_operand,
14         std_or_reg_operand, addr_reg_operand, index_reg_operand,
15         dp_reg_operand, sp_reg_operand, st_reg_operand,
16         rc_reg_operand, call_address_operand,
17         symbolic_address_operand, dst_operand, src_operand,
18         src_hi_operand, lsrc_operand, tsrc_operand,
19         nonimmediate_src_operand, nonimmediate_lsrc_operand,
20         reg_or_const_operand, par_ind_operand, parallel_operand):
21         Remove.
22         (c4x_immed_float_p, c4x_a_register, c4x_x_register,
23         c4x_K_constant, c4x_N_constant, c4x_O_constant,
24         c4x_S_indirect): Export.
25         * config/c4x/c4x.h (PREDICATE_CODES): Remove.
26         * config/c4x/c4x.md: Include predicates.md.
27         * config/c4x/predicates.md: New.
29 2005-06-30  Jakub Jelinek  <jakub@redhat.com>
31         * function.c (stack_protect_epilogue): Pass label to
32         stack_protect_test, assume it emitted also the conditional
33         branch.
34         * doc/md.texi (stack_protect_test): Adjust documentation.
35         * config/i386/i386.md (stack_protect_test): Add third argument,
36         emit beq with operands[2].
37         * config/rs6000/rs6000.h (FRAME_GROWS_DOWNWARD): Define to
38         flag_stack_protect != 0.
39         * config/rs6000/rs6000.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
40         constants.
41         (stack_protect_set, stack_protect_test): New expanders.
42         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
43         stack_protect_testdi): New insns.
44         * config/rs6000/rs6000.c (rs6000_stack_protect_fail): New function.
45         (TARGET_STACK_PROTECT_FAIL): Define.
46         (rs6000_generate_compare): Handle UNSPEC_SP_TEST.
48         * config/rs6000/rs6000.h (FIRST_PSEUDO_REGISTER): Increment.
49         (DWARF_FRAME_REGISTERS, DWARF_REG_TO_UNWIND_COLUMN): Adjust, so
50         that addition of sfp doesn't change these.
51         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS,
52         REG_ALLOC_ORDER): Add sfp.
53         (INT_REGNO_P): Include FRAME_POINTER_REGNUM.
54         (FRAME_POINTER_REGNUM): Define to 113.
55         (HARD_FRAME_POINTER_REGNUM): Define to 31.
56         (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Add sfp.
57         (STARTING_FRAME_OFFSET): Set to 0 for FRAME_GROWS_DOWNWARD.
58         (ELIMINABLE_REGS): Never eliminate to
59         FRAME_POINTER_REGNUM, but HARD_FRAME_POINTER_REGNUM
60         instead.  Add eliminations from FRAME_POINTER_REGNUM.
61         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, INT_REG_OK_FOR_INDEX_P):
62         Include FRAME_POINTER_REGNUM.
63         (REGISTER_NAMES): Add sfp.
64         * config/rs6000/rs6000.c (rs6000_reg_names): Add sfp.
65         (alt_reg_names): Likewise.
66         (rs6000_stack_info): Handle FRAME_GROWS_DOWNWARD.
67         (rs6000_emit_prologue): Use HARD_FRAME_POINTER_REGNUM
68         instead of FRAME_POINTER_REGNUM.
69         (rs6000_initial_elimination_offset): Never eliminate to
70         FRAME_POINTER_REGNUM, but HARD_FRAME_POINTER_REGNUM
71         instead.  Add elimination offsets from FRAME_POINTER_REGNUM.
73         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Only return non-zero
74         if DEFAULT_ABI == ABI_V4.
76 2005-06-30  Steven Bosscher  <stevenb@suse.de>
78         * coretypes.h (tls_model): Add TLS_MODEL_NONE as 0.
79         * tree.h (struct tree_decl): New field `tls_model'.
80         (DECL_TLS_MODEL): New.
81         (DECL_THREAD_LOCAL_P): Rename from DECL_THREAD_LOCAL, make it
82         a predicate.
83         * rtl.h (decl_default_tls_model): Add prototype for it.
84         * varasm.c (decl_tls_model): Rewritten and renamed to ...
85         (decl_default_tls_model): ... this.
86         (default_encode_section_info): Use DECL_TLS_MODEL instead of
87         decl_tls_model.
88         (assemble_variable): Replace DECL_THREAD_LOCAL with
89         DECL_THREAD_LOCAL_P.
90         (default_section_type_flags_1): Likewise.
91         (categorize_decl_for_section): Likewise.
92         * tree.c (staticp): Likewise.
93         (recompute_tree_invarant_for_addr_expr): Likewise.
94         * drawf2out (loc_descriptor_from_tree_1): Likewise.
95         * c-decl.c (diagnose_mismatched_decls): Likewise.
96         with DECL_THREAD_LOCAL_P.
97         (start_decl): Likewise.
98         * print-tree.c (print_node): Likewise.  Print the TLS model.
99         (grokdeclarator): Set the default DECL_TLS_MODEL here.
100         * c-common.c (handle_tls_model_attribute): Rewrite to set the
101         TLS model up based on the attribute.  Never add the attribute
102         to the decl's attributes list.
103         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Replace
104         DECL_THREAD_LOCAL with DECL_THREAD_LOCAL_P.
106 2005-06-30  Zdenek Dvorak  <dvorakz@suse.cz>
108         PR testsuite/21967
109         * tree-ssa-live.c (mark_all_vars_used_1): Ignore variables in
110         TMR_ORIGINAL.
112 2005-06-30  Bernd Schmidt  <bernd.schmidt@analog.com>
114         * config/bfin/bfin.md (addv2hi3, subv2hi3, sminv2hi3, smaxv2hi3,
115         mulv2hi3, negv2hi2, absv2hi2): Pattern names fixed by appending the
116         necessary digit.
118 2005-06-29  David Edelsohn  <edelsohn@gnu.org>
120         * config/rs6000/rs6000.c (rs6000_file_start): Use PPC405_ERRATUM77.
122 2005-06-29  Diego Novillo  <dnovillo@redhat.com>
124         PR 22234
125         * tree-ssa-copy.c (fini_copy_prop): Do not overwrite copy_of
126         when following copy-of chains.
128 2005-06-30  Jan Hubicka  <jh@suse.cz>
130         * function.h (struct function): Add saved blocks/unexpanded var list.
131         * gimple-low.c (record_vars): Insert only VAR_DECLs.
132         * tree-inline.c (add_lexical_block): Declare; do not clear sublocks.
133         (remap_decl): Do not declare vars.
134         (remap_block): Do not care inserting blocks.
135         (remap_blocks): New function.
136         (copy_body_r): Update debug info.
137         (expand_call_inline): Duplicate callee block tree into caller;
138         copy all the unexpanded_var_list.
139         (save_body): Save unexpanded_var_list and blocks.
140         * tree-optimize.c (tree_rest_of_optimization): Restore
141         blocks/unexpanded_var_list.
143 2005-06-29  Richard Henderson  <rth@redhat.com>
145         * config/ia64/ia64.c (ia64_expand_vecint_minmax): Use us_minus and
146         plus for V4HImode UMAX.
148 2005-06-29  Joseph S. Myers  <joseph@codesourcery.com>
150         * c-tree.h (default_function_array_conversion): Take and return
151         struct c_expr.
152         * c-typeck.c (default_function_array_conversion): Split into
153         array_to_pointer_conversion and function_to_pointer_conversion.
154         Take and return struct c_expr.
155         (array_to_pointer_conversion): Do not handle type qualifiers or
156         COMPOUND_EXPRs specially.
157         (build_function_call): Call function_to_pointer_conversion for
158         function designators.
159         (build_unary_op): Call array_to_pointer_conversion, not
160         default_function_array_conversion.
161         (digest_init, output_init_element): Likewise.
162         * c-parser.c: All callers of default_function_array_conversion
163         changed.
165 2005-06-29  Ziemowit Laski  <zlaski@apple.com>
167         * config/darwin.c (machopic_select_section): constant ObjC string
168         objects now always have type "__builtin_ObjCString".
170 2005-06-29  Richard Henderson  <rth@redhat.com>
172         * config/alpha/alpha.md (vec_shl_<VEC>, vec_shr_<VEC>): New.
174 2005-06-29  Richard Henderson  <rth@redhat.com>
176         * tree-vect-transform.c (vect_min_worthwhile_factor): Declare.
177         (vect_create_epilog_for_reduction): Don't use vec_shr if the
178         operation is emulated.
179         (vectorizable_reduction): Duplicate vect_min_worthwhile_factor
180         tests from vectorizable_operation.
182 2005-06-29  Caroline Tice  <ctice@apple.com>
184         Fix PR 21956
185         * varasm.c (assemble_start_function):  Add "L" to beginning of
186         local labels, so assembler & linker treat them as local.
187         
188 2005-06-29  Richard Henderson  <rth@redhat.com>
190         * config/i386/i386.c (ix86_expand_int_vcond): Remove unsignedp
191         argument.  Simplify canonicalization of condition.  Use unsigned
192         saturating subtraction for QI and HImode unsigned compares.  Use
193         bit arithmetic tricks for SImode unsigned compares.
194         * config/i386/i386-protos.h (ix86_expand_int_vcond): Update decl.
195         * config/i386/sse.md (SSEMODE14): New.
196         (umaxv8hi3): Use us_minus+plus to avoid vcond.
197         (umaxv4si3): New.
198         (smax<SSEMODE14>3): Rename from smaxv16qi3 and macroize.
199         (smin<SSEMODE14>3): Similarly with sminv16qi3.
200         (umin<SSEMODE24>3): Similarly with uminv8hi3.
202 2005-06-29  Ian Lance Taylor  <ian@airs.com>
204         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Change
205         GEN_INT to gen_int_for_mode when storing register size to memory.
207 2005-06-29  Stuart Hastings  <stuart@apple.com>
209         * gcc/config/i386/mmintrin.h: Mark vector intrinsics always_inline.
210         * gcc/config/i386/emmintrin.h: Likewise.
211         * gcc/config/i386/pmmintrin.h: Likewise.
212         * gcc/config/i386/xmmintrin.h: Likewise.
213                                         
214 2005-06-29  Steve Ellcey  <sje@cup.hp.com>
216         PR middle-end/21969
217         * tree.h (TYPE_VECTOR_SUBPARTS): Change to shift expression.
218         (SET_TYPE_VECTOR_SUBPARTS): New.
219         * tree.c (make_vector_type): Replace TYPE_VECTOR_SUBPARTS with
220         SET_TYPE_VECTOR_SUBPARTS.
221         * tree-vect-transform.c (vect_transform_loop): Add cast.
223 2005-06-29  Andreas Krebbel  <krebbel1@de.ibm.com>
225         * config/s390/s390.c (s390_decompose_address): Accept invalid
226         displacements for addresses containing frame_pointer_rtx or
227         virtual_stack_vars_rtx.
228         (s390_frame_info): Replaced use of STARTING_FRAME_OFFSET.
229         (s390_initial_elimination_offset): New offset when eliminating the 
230         soft frame pointer.
231         * config/s390/s390.h (FRAME_GROWS_DOWNWARD): Defined as 1.
232         (STARTING_FRAME_OFFSET, STACK_DYNAMIC_OFFSET): Definitions changed.
234 2006-06-28  Ziemowit Laski  <zlaski@apple.com>
236         * c-common.c (flag_next_runtime): Move...
237         * toplev.c (flag_next_runtime): ... here.
238         * c-common.h (flag_next_runtime): Move...
239         * flags.h (flag_next_runtime): ... here.
240         * config/darwin-c.c: Include flags.h.
241         * config/t-darwin (darwin-c.o): Depend on flags.h.
243 2005-06-29  Kaz Kojima  <kkojima@gcc.gnu.org>
245         * config/sh/linux-unwind.h (shmedia_fallback_frame_state):
246         Disable aliasing warning with void * cast.
247         (sh_fallback_frame_state): Likewise.
249 2005-06-29  Kaz Kojima  <kkojima@gcc.gnu.org>
251         * target.h (gcc_target): New field allocate_initial_value.
252         * target-def.h (TARGET_ALLOCATE_INITIAL_VALUE): New macro.
253         (TARGET_INITIALIZER): Include it.
254         * integrate.c (allocate_initial_values): Use
255         targetm.allocate_initial_value.
256         * system.h: Poison ALLOCATE_INITIAL_VALUE.
257         * config/sh/sh-protos.h (sh_pr_n_sets): Delete.
258         * config/sh/sh.c (sh_pr_n_sets): Make it static.
259         (sh_allocate_initila_value): New function.
260         (TARGET_ALLOCATE_INITIAL_VALUE): Override default.
261         * config/sh/sh.h (ALLOCATE_INITIAL_VALUE): Delete.
262         * doc/tm.texi (TARGET_ALLOCATE_INITIAL_VALUE): Rename and
263         update from ALLOCATE_INITIAL_VALUE.
265 2005-06-28  Richard Henderson  <rth@redhat.com>
267         * tree-vectorizer.c (vect_is_simple_reduction): Compare types
268         using TYPE_MAIN_VARIANT.
270 2005-06-28  Richard Henderson  <rth@redhat.com>
272         * config/ia64/ia64.c (ia64_expand_vecint_compare): Decompose to EQ
273         when using psubN.uuu.
275 2005-06-29  Kelley Cook <kcook@gcc.gnu.org>
277         * doc/gcc.texi: Update FSF address.
279 2005-06-28  Eric Christopher  <echristo@redhat.com>
281         PR c/22052
282         PR c/21975
283         * c-decl.c (diagnose_mismatched_decls): Define DECL_EXTERN_INLINE.
284         Use. Fix detection of invalid extern inline redefinition.
286 2005-06-28  Diego Novillo  <dnovillo@redhat.com>
288         * tree-optimize.c (init_tree_optimization_passes): Fix typo.
290 2005-06-28  Andrew Pinski  <pinskia@physics.uc.edu>
292         * config/rs6000/rs6000.md (setmemsi): s/operand/operands/.
294 2005-06-28  Richard Henderson  <rth@redhat.com>
296         * config/ia64/ia64.c (ia64_expand_vecint_compare): Use unsigned
297         saturating subtraction for QI and HImode unsigned compares.  Use
298         bit arithmetic tricks for SImode unsigned compares.
299         (ia64_expand_vcondu_v2si): Remove.
300         (ia64_expand_vecint_cmov): Don't call it.
302 2005-06-28  Richard Henderson  <rth@redhat.com>
304         * rtlanal.c (nonzero_bits1): Use the mode of the value for
305         determining integral-ness for comparisons.
307 2005-06-28  Andrew Pinski  <pinskia@physics.uc.edu>
309         * config/rs6000/rs6000.md (setmemsi): Fix operand 2.
311 2005-06-28  Joseph S. Myers  <joseph@codesourcery.com>
313         * target.h (invalid_conversion, invalid_unary_op,
314         invalid_binary_op): New hooks.
315         * target-def.h (TARGET_INVALID_CONVERSION,
316         TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP,
317         TARGET_INITIALIZER): Likewise.
318         * hooks.h (hook_constcharptr_tree_tree_null,
319         hook_constcharptr_int_tree_null,
320         hook_constcharptr_int_tree_tree_null): New.
321         * hooks.c (hook_constcharptr_tree_tree_null,
322         hook_constcharptr_int_tree_null,
323         hook_constcharptr_int_tree_tree_null): Likewise.
324         * gcc/doc/tm.texi (TARGET_INVALID_CONVERSION,
325         TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Document.
326         * c-convert.c (convert): Use invalid_conversion hook.
327         * c-typeck.c (build_unary_op): Use invalid_unary_op hook.
328         (build_binary_op): Use invalid_binary_op hook.
329         * config/ia64/ia64-modes.def: Define RFmode.
330         * config/ia64/ia64-protos.h (spill_xfmode_operand): Remove.
331         (ia64_expand_movxf_movrf): New.
332         * config/ia64/ia64.md (movxf): Move code to
333         ia64_expand_movxf_movrf.
334         (movrf, movrf_internal): New.
335         * ia64.c (ia64_invalid_conversion, ia64_invalid_unary_op,
336         ia64_invalid_binary_op, TARGET_INVALID_CONVERSION,
337         TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): New.
338         (spill_xfmode_operand): Rename to spill_xfmode_rfmode_operand.
339         Add mode parameter.  Make static.
340         (ia64_expand_movxf_movrf): New, moved from ia64.md.  Handle RFmode
341         as well as XFmode.
342         (ia64_function_arg, ia64_function_value, ia64_register_move_cost,
343         ia64_scalar_mode_supported_p): Handle RFmode as well as XFmode.
344         (ia64_init_builtins): Set up __fpreg as RFmode.
345         (ia64_mangle_fundamental_type): Mangle __fpreg as u7__fpreg.
347 2006-06-28  Adrian Straetling  <straetling@de.ibm.com>
349         * builtins.c: (expand_builtin_memset): Rewrite to support
350         'set_storage_via_setmem'.
351         * expr.c: (enum insn_code setmem_optab): Define.
352         (enum insn_code clrmem_optab): Remove.
353         (set_storage_via_setmem): New function.
354         (clear_storage_via_setmem): Remove.
355         (clear_storage): Replace call to "clear_storage_via_clrmem" with
356         "set_storage_via_setmem".
357         * expr.h: (set_storage_via_setmem): Declare.
358         (CLEAR_RATIO): Redefine using HAVE_setmemM.
359         * optabs.h: (enum insn_code setmem_optab): Declare.
360         (enum insn_code clrmem_optab): Remove.
361         * optabs.c: (init_optabs): Initialize setmem_optab.
362         (enum insn_code clrmem_optab): Remove.
363         * genopinit.c: (otabs): Likewise.
364         * doc/md.texi: Document new standard pattern 'setmem'. Remove
365           'clrmem'.
366         * config/alpha/alpha.c: (alpha_expand_block_clear): Adjust
367         'operands' ordering.
368         * config/frv/frv.c: (frv_expand_block_clear): Likewise.
369         * config/rs6000/rs6000.c: (expand_block_clear): Likewise.
370         * config/alpha/alpha.md: ("clrmemqi", "clrmemdi"): Rename to "setmemM".
371         FAIL on operands[2]!=const0_rtx. Adjust 'operands' ordering.
372         * config/avr/avr.md: ("clrmemhi"): Likewise.
373         * config/frv/frv.md: ("clrmemsi"): Likewise.
374         * config/i386/i386.md: ("clrmemsi", "clrmemdi"): Likewise.
375         * config/pa/pa.md: ("clrmemsi", "clrmemdi"): Likewise.
376         * config/rs6000/rs6000.md: ("clrmemsi"): Likewise.
377         * config/s390/s390.md: ("clrmem<mode>"): Likewise.
379 2005-06-28  Paul Brook  <paul@codesourcery.com>
381         * Makefile.in: Set and use UNWIND_H.  Install as unwind.h.
382         * c-decl.c (finish_decl): Call default_init_unwind_resume_libfunc.
383         * except.c (add_ehspec_entry): Generate arm eabi filter lists.
384         (assign_filter_values): Ditto.
385         (output_ttype): New function.
386         (output_function_exception_table): Use output_ttype.  Generate arm
387         eabi filter lists.
388         (default_init_unwind_resume_libfunc): New function.
389         * except.h (default_init_unwind_resume_libfunc): Add prototype.
390         * optabs.c (init_optabs): Don't set unwind_resume_libfunc.
391         * opts.c (decode_options): Use targetm.unwind_tables_default.
392         * target-def.h (TARGET_ASM_TTYPE): Provide and use definition.
393         (TARGET_ARM_EABI_UNWINDER, TARGET_UNWIND_TABLES_DEFAULT): Ditto.
394         * target.h (struct gcc_target): Add asm.ttype, unwind_tables_default
395         and arm_eabi_unwinder.
396         * unwind-c.c: Support Arm EABI unwinder.
397         * unwind.h: Rename ...
398         * unwind-generic.h: ... To this.
399         * doc/tm.texi (TARGET_ASM_TTYPE, TARGET_ARM_EABI_UNWINDER): Document.
400         (TARGET_UNWID_TABLES_DEFAULT): Document.
402         * config/arm/arm-protos.h (arm_output_fn_unwind): Add prototype.
403         * config/arm/arm.c (arm_unwind_emit, arm_output_ttype): New functions.
404         (TARGET_UNWIND_EMIT, TARGET_ASM_TTYPE, TARGET_ARM_EABI_UNWINDER):
405         Define.
406         (thumb_pushpop, thumb_output_function_prologue): Output unwinding
407         directives.
408         (arm_unwind_emit_stm, arm_unwind_emit_set): New functions.
409         * config/arm/arm.h (MUST_USE_SJLJ_EXCEPTIONS): Only define when
410         !TARGET_UNWIND_INFO.
411         (ARM_OUTPUT_FN_UNWIND, ARM_EABI_UNWIND_TABLES): Define.
412         * config/arm/bpabi.h (TARGET_UNWIND_INFO): Define.
413         * config/arm/elf.h (ASM_DECLARE_FUNCTION_NAME,
414         ASM_DECLARE_FUNCTION_SIZE): Use ARM_OUTPUT_FN_UNWIND.
415         * config/arm/lib1funcs.asm: Include libunwind.S.
416         * config/arm/libgcc-bpabi.ver: Add unwinding routines.
417         * config/arm/libunwind.S: New file.
418         * config/arm/pr-support.c: New file.
419         * config/arm/t-bpabi (LIB1ASMFUNCS): Add _unwind.
420         (UNWIND_H, LIB2ADDEH, LIB2ADDEHDEP): Set.
421         * config/arm/t-symbian (UNWIND_H, LIB2ADDEH, LIB2ADDEHDEP): Set.
422         * config/arm/unwind-arm.c: New file.
423         * config/arm/unwind-arm.h: New file.
424         * config/i386/t-netware (USER_H): Remove unwind.h.
425         * config/ia64/ia64.h (TARGET_UNWIND_TABLES_DEFAULT): Define.
427 2005-06-28  DJ Delorie  <dj@redhat.com>
429         * c-decl.c (pop_scope): Move warning control into warning call.
430         (diagnose_mismatched_decls): Likewise.
431         (pushdecl): Likewise.
432         (start_decl): Likewise.
433         (grokparms): Likewise.
434         (start_function): Likewise.
435         (store_parm_decls_newstyle): Likewise.
436         (store_parm_decls_oldstyle): Likewise.
437         (finish_function): Likewise.
438         (declspecs_add_scspec): Likewise.
439         * c-format.c (decode_format_attr): Likewise.
440         (maybe_read_dollar_number): Likewise.
441         (avoid_dollar_number): Likewise.
442         (finish_dollar_format_checking): Likewise.
443         (check_format_info): Likewise.
444         (check_format_info_main): Likewise.
445         (check_format_types): Likewise.
446         (format_type_warning): Likewise.
447         * c-typeck.c (function_types_compatible_p): Likewise.
448         (build_array_ref): Likewise.
449         (convert_arguments): Likewise.
450         (build_c_cast): Likewise.
451         (store_init_value): Likewise.
452         (process_init_element): Likewise.
453         (c_start_case): Likewise.
454         * stor-layout.c (finalize_record_size): Likewise.
455         * tree-cfg.c (execute_warn_function_noreturn): Likewise.
456         * tree-inline.c (expand_call_inline): Likewise.
458 2005-06-28  Uros Bizjak  <uros@kss-loka.si>
460         PR target/22134
461         * config/i386/i386.md (fist<mode>2_with_temp splitter):
462         Clobber memory operand, not scratch register.
464 2005-06-28  Andreas Krebbel  <krebbel1@de.ibm.com>
466         * config/s390/s390.c (machine_function): New field has_landing_pad_p.
467         (s390_set_has_landing_pad_p, s390_reg_clobbered_rtx,
468          s390_regs_ever_clobbered): New functions.
469         (s390_return_addr_rtx): Use get_hard_reg_initial_value.
470         (s390_register_info, s390_init_frame_layout, s390_update_frame_layout):
471         Use s390_regs_ever_clobbered.
472         (s390_emit_prologue): Don't use r14 as temp reg if its content is used
473         for builtin_return_address.
474         * config/s390/s390.md ("exception_receiver"): New expander.
475         * config/s390/s390-protos.h (s390_set_has_landing_pad_p): Prototype
476         added.
478 2005-06-28  Andreas Krebbel  <krebbel1@de.ibm.com>
480         * except.c (current_function_has_exception_handlers): Function 
481         description added and if statements merged.
483 2005-06-28  Richard Henderson  <rth@redhat.com>
485         * config/i386/sse.md (smaxv16qi3): Fix buffer overflow.
486         (sminv16qi3, umaxv8hi3, uminv8hi3): Likewise.
488 2005-06-27  Richard Henderson  <rth@redhat.com>
490         * config/ia64/ia64.c (ia64_expand_vcondu_v2si): Generate proper
491         comparison operations.
492         (ia64_expand_vecint_minmax): Fix size of xops.
493         * config/ia64/vect.md (umax<VECINT>3): Fix fallback pattern typo.
494         (vec_shl_<VECINT>, vec_shr_<VECINT>): New.
496 2005-06-27  Richard Henderson  <rth@redhat.com>
498         * tree-vect-transform.c (get_initial_def_for_reduction): Use correct
499         type for DEF and INIT_VAL.  Pretend MIN/MAX need epilogue adjustment.
501 2005-06-27  Richard Henderson  <rth@redhat.com>
503         * config/i386/sse.md (vec_shl_<SSEMODEI>, vec_shr_<SSEMODEI>): New.
504         (smaxv16qi3, umaxv8hi3, sminv16qi3, uminv8hi3): New.
506 2005-06-27  Richard Henderson  <rth@redhat.com>
508         * tree-vect-transform.c (vect_create_epilog_for_reduction): Remove
509         duplicate little-endian adjustment.
511 2005-06-28  Kelley Cook  <kcook@gcc.gnu.org>
513         * doc/include/texinfo.tex: Import from upstream CVS.
515 2005-06-28  Jan Hubicka  <jh@suse.cz>
517         * cgraph.c (cgraph_remove_node): Do not release function bodies until
518         full cgraph is built.
519         * cgraph.h (cgraph_decide_inlining_incrementally): Add early argument.
520         * cgraphunit.c (cgraph_finalize_function): Update call of
521         cgraph_decide_inlining_incrementally.
522         (initialize_inline_failed): Break out of ...
523         (cgraph_analyze_function): ... here.
524         (rebuild_cgraph_edges): New function.
525         (pass_rebuild_cgraph_edges): New pass.
526         * common.opt (fearly-inlining): New flag.
527         * ipa-inline.c: Include ggc.h
528         (cgraph_clone_inlined_nodes): Avoid re-using of original copy
529         when cgraph is not fully built.
530         (cgraph_decide_inlining_incrementally): Add early mode.
531         (cgraph_early_inlining): New function.
532         (cgraph_gate_early_inlining): Likewise.
533         (pass_early_ipa_inline): New pass.
534         * ipa.c (cgraph_postorder): NULLify aux pointer.
535         * tree-inline.c (expand_call_inline): Avoid warning early.
536         * tree-optimize.c (pass_early_local_passes): New.
537         (execute_cleanup_cfg_pre_ipa): New.
538         (pass_cleanup_cfg): New.
539         (register_dump_files): Fix handling subpasses of IPA pass.
540         (init_tree_optimization_passes): Add early passes.
541         (execute_ipa_pass_list): Fix handling of subpasses of IPA pass.
542         * passes.h (pass_early_tree_profile, pass_rebuild_cgraph_edges,
543         pass_early_ipa_inline): New passes.
544         * tree-profile.c (do_early_tree_profiling, pass_early_tree_profile): New.
546         * invoke.texi: Document early-inlining.
548 2005-06-28  Kelley Cook  <kcook@gcc.gnu.org>
550         * doc/include/fdl.texi: Merge in changes from upstream.
551         * doc/include/gpl.texi: Likewise.
553 2005-06-27  Diego Novillo  <dnovillo@redhat.com>
555         PR 21959
556         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Handle type
557         casts between unsigned and signed types with different size
558         or precision.
560 2005-06-28  Jan Hubicka  <jh@suse.cz>
562         * tree-optimize.c (exercute_free_datastructures):
563         Do not disband implicit edges; do not attempt to build insn list;
564         do not free cfg annotations.
565         (execute_free_cfg_annotations); Disband implicit edges here;
566         free cfg annotations here too.
567         (pass_free_cfg_annotations); New pass.
568         (init_tree_optimization_passes); Add pass_free_cfg_annotations.
569         * tree-ssa-operands.c (free_ssa_operands); Recover; export.
570         * tree-ssa-operands.h (free_ssa_operands); declare.
571         * tree-ssa.c (delete_tree_ssa); Free SSA operand; mark stmt modified;
572         kill PHI nodes.
573         * tree-ssanames.c (release_defs): Kill addresses_taken.
575         * basic-block.h (basic_block_def): Kill rbi.
576         (reorder_block_def): Kill; Remove next field (replaced by aux);
577         move other fields to ...
578         (rtl_bb_info): ... here.
579         * bb-reorder.c (find_traces, rotate_loop, find_traces_1_round,
580         copy_bb, connect_traces, add_labels_and_missing_jumps
581         fix_up_fall_thru_edges, fix_crossing_conditional_branches,
582         duplicate_computed_gotos, partition_hot_cold_basic-blocks):
583         Update to new fields.
584         * cfg.c (initialize_bb_rbi): Kill.
585         * cfglayout.c (record_effective_endpoints, fixup_reorder_chain,
586         fixup_fallthru_exit_predecessor, cfg_layout_duplicate_bb): Update.
587         * cfgrtl.c (cfg_layout_create_basic_block): Do not initialize rbi.
588         (try_redirect_by_replacing_jump): Update rbi references.
589         (cfg_layout_split_block): Likewise.
590         (cfg_layout_delete_block): Likewise.
591         (cfg_layout_merge_blocks): Likewise.
592         * function.c (thread_prologue_and_epilogue_insns): Likewise.
593         * passes.c (rest_of_handle_sms): Likewise.
594         * tracer.c (seen, tail_duplicate, layout_superblocks): Likewise.
596 2005-06-27  David Edelsohn  <edelsohn@gnu.org>
598         * config/rs6000/rs6000.c (rs6000_file_start): Note PPC405 erratum
599         in verbose_asm output.
600         * config/rs6000/rs6000.h (PPC405_ERRATUM77): Bracket with
601         CONFIG_PPC405CR.
602         * config.gcc (powerpc with_which): Define CONFIG_PPC405CR for
603         405cr.
605 2005-06-27  Jakub Jelinek  <jakub@redhat.com>
607         * builtin-attrs.def (DEF_ATTR_FOR_INT): Add for 5 and 6.
608         (DEF_LIST_INT_INT): Add for 4,0, 4,5, 5,0, 5,6.
609         (ATTR_NOTHROW_NONNULL_4, ATTR_NOTHROW_NONNULL_5): Define.
610         (ATTR_FORMAT_PRINTF_4_0, ATTR_FORMAT_PRINTF_4_5,
611         ATTR_FORMAT_PRINTF_5_0, ATTR_FORMAT_PRINTF_5_6): Define.
612         * builtins.c: Include tree-flow.h.
613         (expand_builtin_mempcpy, expand_builtin_memmove): Comment fixes.
614         (expand_builtin_object_size, expand_builtin_memory_chk,
615         maybe_emit_chk_warning, maybe_emit_sprintf_chk_warning,
616         compute_object_offset, compute_builtin_object_size,
617         fold_builtin_object_size): New functions.
618         (expand_builtin): Handle BUILT_IN_OBJECT_SIZE and BUILT_IN_*_CHK.
619         (fold_builtin_1): Likewise.  Handle BUILT_IN_{,V}{,F}PRINTF
620         and BUILT_IN_{,F}PRINTF_UNLOCKED.
621         (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
622         fold_builtin_strncpy_chk, fold_builtin_strcat_chk,
623         fold_builtin_strncat_chk, fold_builtin_sprintf_chk,
624         fold_builtin_snprintf_chk, fold_builtin_printf, fold_builtin_fprintf):
625         New functions.
626         * builtins.def (BUILT_IN_OBJECT_SIZE, BUILT_IN_MEMCPY_CHK,
627         BUILT_IN_MEMMOVE_CHK, BUILT_IN_MEMPCPY_CHK, BUILT_IN_MEMSET_CHK,
628         BUILT_IN_STPCPY_CHK, BUILT_IN_STRCAT_CHK, BUILT_IN_STRCPY_CHK,
629         BUILT_IN_STRNCAT_CHK, BUILT_IN_STRNCPY_CHK, BUILT_IN_SNPRINTF_CHK,
630         BUILT_IN_SPRINTF_CHK, BUILT_IN_VSNPRINTF_CHK, BUILT_IN_VSPRINTF_CHK,
631         BUILT_IN_FPRINTF_CHK, BUILT_IN_PRINTF_CHK, BUILT_IN_VFPRINTF_CHK,
632         BUILT_IN_VPRINTF_CHK): New builtins.
633         * builtin-types.def (DEF_FUNCTION_TYPE_5, DEF_FUNCTION_TYPE_VAR_4):
634         Document.
635         (BT_FN_SIZE_CONST_PTR_INT, BT_FN_INT_INT_CONST_STRING_VALIST_ARG,
636         BT_FN_PTR_PTR_CONST_PTR_SIZE_SIZE, BT_FN_PTR_PTR_INT_SIZE_SIZE,
637         BT_FN_STRING_STRING_CONST_STRING_SIZE_SIZE,
638         BT_FN_INT_FILEPTR_INT_CONST_STRING_VALIST_ARG,
639         BT_FN_INT_STRING_INT_SIZE_CONST_STRING_VALIST_ARG,
640         BT_FN_INT_STRING_SIZE_INT_SIZE_CONST_STRING_VALIST_ARG,
641         BT_FN_INT_INT_CONST_STRING_VAR, BT_FN_INT_FILEPTR_INT_CONST_STRING_VAR,
642         BT_FN_INT_STRING_INT_SIZE_CONST_STRING_VAR,
643         BT_FN_INT_STRING_SIZE_INT_SIZE_CONST_STRING_VAR): New types.
644         * c-common.c (DEF_FUNCTION_TYPE_5, DEF_FUNCTION_TYPE_6,
645         DEF_FUNCTION_TYPE_VAR_4, DEF_FUNCTION_TYPE_VAR_5): Define.
646         * Makefile.in (OBJS-common): Add tree-object-size.o.
647         (tree-object-size.o): Add dependencies.
648         * tree-pass.h (pass_object_sizes): Add.
649         * tree-optimize.c (init_tree_optimization_passes): Add
650         pass_object_sizes.
651         * tree-object-size.c: New file.
652         * tree.h (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
653         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk,
654         compute_builtin_object_size, init_object_sizes, fini_object_sizes):
655         New prototypes.
656         * tree-ssa-ccp.c (get_strlen): Rename to ...
657         (get_maxval_strlen): ...this function.  Handle also computing of maximum
658         string length and maximum integral value.
659         (ccp_fold_builtin): Handle BUILT_IN_*_CHK.  Use get_maxval_strlen
660         instead of get_strlen.  Pass CALLEE and ARGLIST variables to the
661         folding functions instead of computing them again.
662         (execute_fold_all_builtins): Retry ccp_fold_builtin if a builtin changed
663         into some other builtin.
664         * doc/extend.texi (Object Size Checking): Document.
666         * regrename.c (copy_value): Fix comment.
668         * toplev.c (process_options): Use if (FRAME_GROWS_DOWNWARD)
669         instead of preprocessor conditionals.
671         * targhooks.c (default_hidden_stack_protect_fail): Fall back to
672         default_external_stack_protect_fail if visibility is not supported
673         or not flag_pic.
674         * config/i386/i386.c (ix86_stack_protect_fail): New function.
675         (TARGET_STACK_PROTECT_FAIL): Define.
676         * config/i386/i386.md (stack_protect_si): Change CLOBBER into
677         SET to zero.
678         (stack_protect_di): Likewise.  Use %k2 instead of %2 to avoid
679         invalid instruction xorl %rax, %rax.
681 2005-06-27  Richard Henderson  <rth@redhat.com>
683         * c-cppbuiltin.c (c_cpp_builtins): Add __SSP_ALL__ and __SSP__.
684         * cfgexpand.c: Include params.h.
685         (has_protected_decls, has_short_buffer): New.
686         (expand_stack_vars): Take a predicate to determine what to expand.
687         (defer_stack_allocation): True when flag_stack_protect on.
688         (SPCT_HAS_LARGE_CHAR_ARRAY, SPCT_HAS_SMALL_CHAR_ARRAY): New.
689         (SPCT_HAS_ARRAY, SPCT_HAS_AGGREGATE): New.
690         (stack_protect_classify_type, stack_protect_decl_phase): New.
691         (stack_protect_decl_phase_1, stack_protect_decl_phase_2): New.
692         (add_stack_protection_conflicts, create_stack_guard): New.
693         (expand_used_vars): Add stack protection logic.
694         (tree_expand_cfg): Likewise.
695         * common.opt (Wstack-protector): New.
696         (fstack-protector, fstack-protector-all): New.
697         * function.c: Include predict.h.
698         (assign_parm_adjust_stack_rtl): Zap stack_parm when stack protect
699         wants to copy the parameter into the stack frame.
700         (stack_protect_prologue, stack_protect_epilogue): New.
701         (expand_function_end): Call stack_protect_epilogue.  Do 
702         sjlj_emit_function_exit_after after naked_return_label.
703         * function.h (struct function): Add stack_protect_guard.
704         * params.def (PARAM_SSP_BUFFER_SIZE): New.
705         * toplev.c (process_options): Disable flag_stack_protect and/or
706         warn_stack_protect based on FRAME_GROWS_DOWNWARD.
707         * tree.h (stack_protect_prologue): Declare.
709         * target-def.h (TARGET_STACK_PROTECT_GUARD): New.
710         (TARGET_STACK_PROTECT_FAIL): New.
711         (TARGET_INITIALIZER): Add them.
712         * target.h (struct gcc_target): Add stack_protect_guard and
713         stack_protect_fail.
714         * targhooks.c: Include ggc.h, gty header.
715         (stack_chk_guard_decl, default_stack_protect_guard): New.
716         (stack_chk_fail_decl, default_external_stack_protect_fail): New.
717         (default_hidden_stack_protect_fail): New.
718         * targhooks.h (default_stack_protect_guard): Declare.
719         (default_external_stack_protect_fail): Declare.
720         (default_hidden_stack_protect_fail): Declare.
721         * config/i386/i386.c (TARGET_STACK_PROTECT_FAIL): New.
722         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New.
723         (trap): Use ud2.
724         (conditional_trap, conditional_trap_1): Remove.
725         (stack_protect_set, stack_protect_set_si, stack_protect_set_di): New.
726         (stack_protect_test, stack_protect_test_si, stack_protect_test_di): New.
727         * doc/md.texi (stack_protect_set, stack_protect_test): New.
728         * doc/tm.texi (TARGET_STACK_PROTECT_GUARD): New.
729         (TARGET_STACK_PROTECT_FAIL): New.
731         * libgcc-std.ver (GCC_4.1.0): New.
732         * libgcc.h (__stack_chk_guard): Declare.
733         (__stack_chk_fail, __stack_chk_fail_local): Declare.
734         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
735         * mklibgcc.in (lib2funcs): Add them.
737 2005-06-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
739         PR c/21911
740         * c-common.c (check_function_sentinel): Pass in named argument
741         list, skip over named arguments before looking for a sentinel.
742         (check_function_arguments): Pass in named argument list.
743         * c-common.h (check_function_arguments): Likewise.
744         * c-typeck.c (build_function_call): Likewise.
746 2005-06-26  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
748         * genautomata.c (decl_mode_check_failed,
749         regexp_mode_check_failed): Add noreturn attribute.
751 2005-06-26  Kazu Hirata  <kazu@codesourcery.com>
753         * cfg.c, tree-vect-transform.c, tree.def: Fix comment typos.
754         * doc/invoke.texi: Fix typos.
756         * builtins.c, c-common.c, c-convert.c, c-decl.c, c-typeck.c,
757         convert.c, lambda-code.c, predict.c, tree-cfg.c,
758         tree-complex.c, tree-data-ref.c, tree-if-conv.c,
759         tree-mudflap.c, tree-scalar-evolution.c, tree-ssa-ccp.c,
760         tree-ssa-loop-ivcanon.c, tree-ssa-loop-ivopts.c,
761         tree-ssa-loop-manip.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
762         tree-vect-analyze.c, tree-vect-transform.c, tree-vectorizer.c,
763         tree.c: Use fold_buildN instead of fold (buildN (...)).
765 2005-06-26  Gerald Pfeifer  <gerald@pfeifer.com>
767         * doc/install.texi (Specific): Do not specify the concrete
768         versions of GCC provided by Cygwin.  Simplify the part on
769         building on Cygwin.
771 2005-06-26  Kazu Hirata  <kazu@codesourcery.com>
773         * config/arc/arc-protos.c: Remove the prototype for
774         arc_finalize_pic.
775         * config/arc/arc.c (arc_finalize_pic): Remove.
776         * config/arc/arc.h (FINALIZE_PIC): Likewise.
777         * config/bfin/bfin.h (FINALIZE_PIC): Likewise.
778         * config/rs6000/rs6000.h (FINALIZE_PIC): Likewise.
780 2005-06-26  Jakub Jelinek  <jakub@redhat.com>
782         PR middle-end/17965
783         * calls.c (expand_call, emit_library_call_value_1): Use xmalloc/free
784         instead of alloca for really big argument sizes.
786         PR middle-end/22028
787         * gimplify.c (gimplify_type_sizes): Check for type == error_mark_node
788         earlier in the function.
790         * regrename.c (copy_value): Don't replace fixed or global
791         regs with older regs.
793         * defaults.h (FRAME_GROWS_DOWNWARD): Define to 0 if not defined.
794         * function.c (get_func_frame_size): Use if (FRAME_GROWS_DOWNWARD)
795         instead of preprocessor conditionals.
796         (assign_stack_local_1, assign_stack_temp_for_type): Likewise.
797         * cfgexpand.c (FRAME_GROWS_DOWNWARD): Don't redefine to 1 or 0
798         depending on if it was or was not defined previously.
799         * doc/rtl.texi (VIRTUAL_STACK_VARS_REGNUM): Mention that only non-zero
800         definition of FRAME_GROWS_DOWNWARD means frame grows downward.
801         * doc/tm.texi (FRAME_GROWS_DOWNWARD): Likewise.
802         * config/m68hc11/m68hc11.h (FRAME_GROWS_DOWNWARD): Define to 0.  Update
803         comment.
804         * config/pa/pa.h (FRAME_GROWS_DOWNWARD): Likewise.
805         * config/rs6000/rs6000.h (FRAME_GROWS_DOWNWARD): Likewise.
806         * config/stormy16/stormy16.h (FRAME_GROWS_DOWNWARD): Define to 0.
807         * config/c4x/c4x.h (FRAME_GROWS_DOWNWARD): Likewise.
808         * config/sh/sh.h (FRAME_GROWS_DOWNWARD): Likewise.
809         * config/ia64/ia64.h (FRAME_GROWS_DOWNWARD): Likewise.
810         * config/iq2000/iq2000.h (FRAME_GROWS_DOWNWARD): Likewise.
811         * config/pdp11/pdp11.h (FRAME_GROWS_DOWNWARD): Define to 1.  Update
812         comment.
813         * config/i860/i860.h (FRAME_GROWS_DOWNWARD): Likewise.
814         * config/h8300/h8300.h (FRAME_GROWS_DOWNWARD): Likewise.
815         * config/arc/arc.h (FRAME_GROWS_DOWNWARD): Likewise.
816         * config/vax/vax.h (FRAME_GROWS_DOWNWARD): Likewise.
817         * config/sparc/sparc.h (FRAME_GROWS_DOWNWARD): Likewise.
818         * config/i386/i386.h (FRAME_GROWS_DOWNWARD): Likewise.
819         * config/fr30/fr30.h (FRAME_GROWS_DOWNWARD): Likewise.
820         * config/frv/frv.h (FRAME_GROWS_DOWNWARD): Likewise.
821         * config/mn10300/mn10300.h (FRAME_GROWS_DOWNWARD): Likewise.
822         * config/bfin/bfin.h (FRAME_GROWS_DOWNWARD): Likewise.
823         * config/ns32k/ns32k.h (FRAME_GROWS_DOWNWARD): Likewise.
824         * config/v850/v850.h (FRAME_GROWS_DOWNWARD): Likewise.
825         * config/alpha/alpha.h (FRAME_GROWS_DOWNWARD): Update comment.
826         * config/s390/s390.h (FRAME_GROWS_DOWNWARD): Likewise.
827         * config/arm/arm.h (FRAME_GROWS_DOWNWARD): Likewise.
828         * config/alpha/unicosmk.h (FRAME_GROWS_DOWNWARD): Define to 1.
829         * config/cris/cris.h (FRAME_GROWS_DOWNWARD): Likewise.
830         * config/m68k/m68k.h (FRAME_GROWS_DOWNWARD): Likewise.
831         * config/mmix/mmix.h (FRAME_GROWS_DOWNWARD): Likewise.
833 2005-06-26  Kazu Hirata  <kazu@codesourcery.com>
835         PR tree-optimization/22026
836         * tree-vrp.c (extract_range_from_binary_expr): Drop to
837         VR_VARYING if a binary expression involving VR_ANTI_RANGE is
838         PLUS_EXPR, MINUS_EXPR, or unsigned MULT_EXPR.
840 2005-06-26  Kazu Hirata  <kazu@codesourcery.com>
842         * Makefile.in (OBJS-common): Remove duplicate object file
843         names.
845 2005-06-25  Jan Hubicka  <jh@suse.cz>
847         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Update profile.
848         * cfg.c (update_bb_profile_for_threading): Fix rescaling.
850         * passes.c (rest_of_handle_branch_prob): Do not rebuild profiling info
851         when not neecesary
852         (rest_of_compilation): Fix conditional on branch prob pass.
853         * predict.c (tree_estimate_probability): Enable strip_builtin_expect
854         when not loop optimizing.
856 2005-06-25  Bernd Schmidt  <bernd.schmidt@analog.com>
858         * config/bfin/bfin.md (ror_one, rol_one, ashrdi3, ashldi3, lshrdi3):
859         New patterns.
860         (movbi): Add alternative to set CC to zero.
861         (compare_eq, compare_ne, compare_le, compare_lt, compare_leu,
862         compare_ltu): Now named patterns.
864 2005-06-25  Kelley Cook  <kcook@gcc.gnu.org>
866         * all files: Update FSF address in copyright headers.
868 2005-06-25  Kelley Cook  <kcook@gcc.gnu.org>
870         * gengtype.c: Update FSF address in copyright header.
871         (create_file): Update FSF in outputed copyright header.
873 2005-06-24  Kazu Hirata  <kazu@codesourcery.com>
875         * cfglayout.c (block_locators_locs, line_locators_locs,
876         line_locators_lines, file_locators_locs): Change the type to
877         VEC(int,heap)*.
878         (insn_locators_initialize, change_scope, insn_scope,
879         locator_line, insn_line, locator_file): Use VEC instead of
880         VARRAY.
882 2005-06-24  Jason Merrill  <jason@redhat.com>
884         * tree-nrv.c (tree_nrv): Fix to check assignments to the
885         RESULT_DECL rather than just RETURN_EXPRs.
886         (finalize_nrv_r): Adjust.
888 2005-06-24  Jan Hubicka  <jh@suse.cz>
890         * tree-optimize.c (init_tree_optimization_passes): Fix flags of
891         all_passes and all_ipa_passes.
893         * c-common.c: Include cgraph.h
894         (handle_externally_visible_attribute): New function.
895         (c_common_att): Add "externally_visible" attribute.
896         * cgraph.c (decide_is_variable_needed): Obey externally
897         visible flag.
898         (cgraph_varpool_finalize_decl): Avoid redundant checking.
899         * cgraph.h (struct cgraph_node): New flag externally_visible.
900         (decide_is_function_needed): Obey externally visible flag.
901         (cgraph_finalize_function): Avoid redundant checks.
902         (cgraph_function_and_variable_visibility): Bring symbols local
903         when asked for.
904         * common.opt (fwhole-program): New flag.
906         * doc/invoke.texi (-fwhole-program): Document.
908 2005-06-24  Mark Mitchell  <mark@codesourcery.com>
910         PR 22171
911         * tree-ssa-operands.c (get_expr_operands): Check s_ann for NULL
912         before use.
914 2005-06-23  Mark Mitchell  <mark@codesourcery.com>
916         PR 22000
917         * tree-ssa-operands.c (get_expr_operands): Check the volatility of
918         the FIELD_DECL and set s_ann->has_volatile_ops accordingly.
920 2005-06-24  Jan Hubicka  <jh@suse.cz>
922         * opts.c (decode_options): Enable unit-at-a-time by default at -O1.
924 2005-06-23  Jeff Law  <law@redhat.com>
926         * tree-optimize.c (init_tree_optimization_passes): Move
927         copy prop pass to run just before VRP.
928         * tree-vrp.c (remove_range_assertions): Remove copies created
929         by ASSERT_EXPR removal.
931 2005-06-23  Kazu Hirata  <kazu@codesourcery.com>
933         PR tree-optimization/22117
934         * tree-vrp.c (extract_range_from_binary_expr): Compute a
935         correct range when adding two pointers.
937 2005-06-23  Jason Merrill  <jason@redhat.com>
939         PR c++/19317
940         Leave the return slot target in the MODIFY_EXPR rather than making
941         it an argument, but only use it if the CALL_EXPR has a flag set.
942         * tree.h (CALL_EXPR_HAS_RETURN_SLOT_ADDR): Rename to
943         CALL_EXPR_RETURN_SLOT_OPT.
944         * calls.c (expand_call): Adjust.
945         * tree-inline.c (expand_call_inline): Adjust.
946         * tree-pretty-print.c (dump_generic_node): Adjust.
948         And set the flag as appropriate.
949         * gimplify.c (gimplify_modify_expr_rhs): Set
950         CALL_EXPR_HAS_RETURN_SLOT_ADDR where the LHS is obviously safe.
951         * tree-nrv.c (execute_return_slot_opt): Set
952         CALL_EXPR_HAS_RETURN_SLOT_ADDR based on escape analysis.
953         * tree-pass.h: Declare pass_return_slot.
954         * tree-optimize.c (init_tree_optimization_passes): Add it.
955         
956 2005-06-23  David Edelsohn  <edelsohn@gnu.org>
958         PR target/21760
959         * config/rs6000/rs6000.h (PPC405_ERRATUM77): New.
960         * config/rs6000/rs6000.md: Move atomic instructions to ...
961         * config/rs6000/sync.md: Here.
962         Change sync_compare_and_swap<mode> to define_expand.  All stwcx
963         patterns test PPC405_ERRATUM77.
965 2005-06-23  Jan Hubicka  <jh@suse.cz>
966         
967         * tree-inline.c (copy_body_r): Remap labels correctly.
969 2005-06-22  Alan Modra  <amodra@bigpond.net.au>
971         * config/rs6000/sysv4.h (TARGET_ASM_EXCEPTION_SECTION): Delete.
973 2005-06-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
975         PR middle-end/20593
976         * varasm.c (compute_reloc_for_constant): Treat VIEW_CONVER_EXPR
977         the same as the other cast operands.
978         (output_addressed_constants): Likewise.
980 2005-06-21  Jeff Law  <law@redhat.com>
982         * tree-vrp.c (extract_range_from_unary_expr): Handle type
983         conversions better.
985 2005-06-21  Dorit Nuzman  <dorit@il.ibm.com>
987         * genopinit.c (vec_shl_optab, vec_shr_optab): Initialize new optabs.
988         (reduc_plus_optab): Removed.  Replcaed with...
989         (reduc_splus_optab, reduc_uplus_optab): Initialize new optabs.
990         * optabs.c (optab_for_tree_code): Return reduc_splus_optab or
991         reduc_uplus_optab instead of reduc_plus_optab.
992         (expand_vec_shift_expr): New function.
993         (init_optabs): Initialize new optabs. Remove initialization of
994         reduc_plus_optab.
995         (optab_for_tree_code): Return vec_shl_optab/vec_shr_optab
996         for VEC_LSHIFT_EXPR/VEC_RSHIFT_EXPR.
997         * optabs.h (OTI_reduc_plus): Removed. Replaced with...
998         (OTI_reduc_splus, OTI_reduc_uplus): New.
999         (reduc_plus_optab): Removed.  Replcaed with...
1000         (reduc_splus_optab, reduc_uplus_optab): New optabs.
1001         (vec_shl_optab, vec_shr_optab): New optabs.
1002         (expand_vec_shift_expr): New function declaration.
1004         * tree.def (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR): New tree-codes.
1005         * tree-inline.c (estimate_num_insns_1): Handle new tree-codes.
1006         * expr.c (expand_expr_real_1): Handle new tree-codes.
1007         * tree-pretty-print.c (dump_generic_node, op_symbol, op_prio): Likewise.
1008         * tree-vect-generic.c (expand_vector_operations_1): Add assert.
1010         * tree-vect-transform.c (vect_create_epilog_for_reduction): Add two
1011         alternatives for generating reduction epilog code.
1012         (vectorizable_reduction): Don't fail of direct reduction support is
1013         not available.
1014         (vectorizable_target_reduction_pattern): Likewise.
1016         * config/rs6000/altivec.md (reduc_smax_v4si, reduc_smax_v4sf,
1017         reduc_umax_v4si, reduc_smin_v4si, reduc_smin_v4sf, reduc_umin_v4si,
1018         reduc_plus_v4si, reduc_plus_v4sf): Removed.
1019         (vec_shl_<mode>, vec_shr_<mode>, altivec_vsumsws_nomode,
1020         reduc_splus_<mode>, reduc_uplus_v16qi): New.
1022 2005-06-20  Daniel Berlin  <dberlin@dberlin.org>
1024         * c-typeck.c (build_function_call): Set fundecl = function again.
1025         * tree-ssa-alias.c (find_used_portions): Address taking causes the
1026         entire variable to be used.
1027         * tree-ssa-structalias.c (do_structure_copy): Fix handling of
1028         unknown size variables, and structure copies from addressof
1029         operations.  Simplify how we do *a = *b type structure copies.
1030         (init_base_vars): Add ANYTHING = &ANYTHING constraint the right
1031         way.  READONLY's address is not taken by default.
1032         INTEGER dereference should point to anything.
1033         (create_variable_info_for): It's okay for the first field to not start
1034         at 0.
1036 2005-06-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1038         config/sh/linux.h (FUNCTION_PROFILER): Constify a char*.
1040 2005-06-20  Roger Sayle  <roger@eyesopen.com>
1041             Fariborz Jahanian <fjahanian@apple.com>
1043         * combine.c (simplify_set): Simplify setting of CC register
1044         by removing redundant compare with 0 on RHS.
1046 2005-06-20  Jan Beulich  <jbeulich@novell.com>
1048         * config/i386/netware-libgcc.def: Update copyright.
1049         * config/i386/netware-libgcc.exp (__divdc3, __divsc3, __divxc3,
1050         __muldc3, __mulsc3, __mulxc3, __powidf2, __powisf2, __powixf2): Add.
1051         * config/i386/netware.c (gen_stdcall_decoration,
1052         gen_fastd_decoration): Merge into ...
1053         (gen_stdcall_or_fastcall_decoration): ... this. Adjust to match
1054         WinNT's changes.
1055         (gen_regparm_prefix): Adjust to match i386_nlm_encode_section_info.
1056         (i386_nlm_encode_section_info): Adjust to match WinNT's changes.
1057         * config/i386/t-nwld (SHLIB_LINK): Also create libgcc.imp alias of
1058         libgcc_s.imp. Use 'expr' rather than $(()) shell expressions.
1059         * gthr-nks.h (__gthread_objc_mutex_allocate): Kill another dubious
1060         use of NX_MUTEX_RECURSIVE.
1062 2005-06-19  Roger Sayle  <roger@eyesopen.com>
1064         * fold-const.c (swap_tree_comparison): Add support for unordered
1065         floating point comparisons.
1066         * tree-vrp.c (opposite_comparison): Delete.
1067         (extract_range_from_assert): Replace calls to opposite_comparison
1068         with calls to swap_tree_comparison.
1069         (register_edge_assert_for): Likewise.
1070         (vrp_evaluate_conditional): Likewise.
1072 2005-06-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1074         * integrate.c (allocate_initial_values): Update the references
1075         to global_live_at_start and global_live_at_end.
1077 2005-06-20  Jan Hubicka  <jh@suse.cz>
1079         * cfgloop.h (DLTHE_RECORD_COPY_NUMBER): New flag.
1080         * cfgloopmanip.c (duplicate_loop_to_header_edge): Set aux flags only
1081         when asked for.
1082         * loop-unroll.c (peel_loop_completely, unroll_loop_constant_iterations,
1083         unroll_loop_runtime_iterations, peel_loop_simple, unroll_loop_stupid):
1084         Update call of duplicate_loop_to_header_edge.
1085         (apply_opt_in_copies): Clear out aux pointers.
1087 2005-06-19  Joseph S. Myers  <joseph@codesourcery.com>
1089         * config/i386/i386.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1090         (ix86_mangle_fundamental_type): New.
1091         * config/ia64/ia64.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
1092         (ia64_mangle_fundamental_type): New.
1094 2005-06-19  Roger Sayle  <roger@eyesopen.com>
1096         * c-decl.c (grokdeclarator): Only check TREE_OVERFLOW on
1097         INTEGER_CST nodes.
1098         * c-typeck.c (build_c_cast): Only preserve TREE_OVERFLOW on
1099         CONSTANT_CLASS_P nodes.
1101 2005-06-19  Richard Henderson  <rth@redhat.com>
1103         * config/ia64/vect.md (vec_extractv2sf_1): Fix cut-and-paste error;
1104         the shift is always required.
1106 2005-06-19  Richard Henderson  <rth@redhat.com>
1108         * config/ia64/ia64-modes.def (V4SF): Add.
1109         * config/ia64/ia64.c (ia64_legitimate_constant_p): Handle CONST_VECTOR.
1110         * config/ia64/ia64.h (CANNOT_CHANGE_MODE_CLASS): Allow vector to 
1111         integer mode changes in fp regs.
1112         * config/ia64/ia64.md (UNSPEC_VECT_EXTR): New.
1113         * config/ia64/vect.md (smaxv2sf3, sminv2sf3): Fix typos in names.
1114         (reduc_plus_v2sf, reduc_smax_v2sf, reduc_smin_v2sf): New.
1115         (vcondv2sf): Use gen_fpack
1116         (fpack): Remove * from name.
1117         (fswap, fmix_l, fmix_r, fmix_lr): New.
1118         (vec_setv2sf, vec_extractv2sf_0_le, vec_extractv2sf_0_be): New.
1119         (vec_extractv2sf_1, vec_extractv2sf): New.
1121 2005-06-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1123         * combine.c (make_compound_operation): Use simplify_subreg.  Delete
1124         a optimization already done by simplify_subreg.
1126 2005-06-19  Ulrich Weigand  <uweigand@de.ibm.com>
1128         * loop.c (scan_loop): Do not consider insns setting the frame
1129         pointer to be candidates for hoisting.
1131 2005-06-19  Uros Bizjak  <uros@kss-loka.si>
1133         * config/i386/i386.md (*cmpfp_0_sf, *cmpfp_0_df, cmpfp_0_xf):
1134         Remove instruction patterns.
1135         (*cmpfp_0): New instruction pattern. Set "unit" attribute to "i387".
1136         (*cmpfp_sf, *cmpfp_df, *cmpfp_xf, *cmpfp_u, *_cmpfp_<mode>):
1137         Set "unit" attribute to "i387".
1138         (*pushsf, *pushsf_rex64, *pushdf_nointeger, *pushdf_integer)
1139         (*pushxf_nointeger, *pushxf_integer): Set "unit" attribute to "i387"
1140         for alternative 0.
1141         (*truncdfsf_mixed, *truncdfsf_i387, *truncxfsf2_mixed)
1142         (*truncxfsf2_i387, *truncxfdf2_mixed, *truncxfdf2_i387): Set "unit"
1143         attribute to "i387" when "type" attribute equals "multi".
1144         (*floathisf2_i387, *floatsisf2_mixed, *floatsisf2_i387)
1145         (*floatdisf2_mixed, *floatdisf2_i387, *floathidf2_i387)
1146         (*floatsidf2_mixed, *floatsidf2_i387, *floatdidf2_mixed)
1147         (*floatdidf2_i387, floathixf2, floatsixf2, floatdixf2): Set "unit"
1148         attribute to "i387" when "type" attribute equals "multi".
1149         * config/i386/mmx.md (*mov<mode>_internal_rex64)
1150         (*mov<mode>_internal, *movv2sf_internal_rex64, *movv2sf_internal):
1151         Set "unit" attribute to "mmx" when "type" attribute equals "ssecvt".
1152         (mmx_pmovmskb): Correct wrong "type" and "mode" attributes.
1153         * config/i386/sse.md (sse_cvtps2pi, sse_cvttps2pi, sse_cvtpd2di)
1154         (sse_cvttpd2pi): Set "unit" attribute to "mmx".
1155         (sse2_cvtpi2pd): Split register constraints. Set "unit" attribute
1156         to "mmx" for "y" operand 1.
1158 2005-06-19  Uros Bizjak  <uros@kss-loka.si>
1160         * config/i386/i386.c (ix86_function_arg_regno_p): Add MMX_REGNO_P
1161         for TARGET_MMX.  Use MMX_REGPARM_MAX and SSE_REGPARM_MAX for MMX
1162         and SSE registers to determine if regno is valid.
1163         (ix86_function_value_regno_p): Depend FIRST_FLOAT_REG on
1164         TARGET_FLOAT_RETURNS_IN_80387 also for TARGET_64BIT. Clean up.
1166 2005-06-18  Richard Henderson  <rth@redhat.com>
1168         * tree-complex.c (init_dont_simulate_again): Clear DONT_SIMULATE_AGAIN
1169         for control-altering statements; set it again for returns.
1170         (complex_visit_stmt): Return SSA_PROP_VARYING for stmts that are
1171         not MODIFY_EXPR.
1173 2005-06-18  Richard Henderson  <rth@redhat.com>
1175         PR tree-opt/22116
1176         * tree-ssa-pre.c (create_expression_by_pieces): Set
1177         DECL_COMPLEX_GIMPLE_REG_P.
1178         (insert_into_preds_of_block): Likewise.
1180 2005-06-18  Steven Bosscher  <stevenb@suse.de>
1182         * Makefile.in: Fix tree-cfgcleanup.c dependencies.
1184 2005-06-18  Richard Henderson  <rth@redhat.com>
1186         * expr.c (store_constructor): Use store of 0 to indicate value
1187         death instead of a clobber.
1189         * config/i386/i386.c (ix86_expand_reduc_v4sf): New.
1190         * config/i386/i386-protos.h (ix86_expand_reduc_v4sf): Declare.
1191         * config/i386/sse.md (reduc_plus_v4sf): New.
1192         (reduc_smax_v4sf, reduc_smin_v4sf): New.
1194 2005-06-18  James A. Morrison  <phython@gcc.gnu.org>
1196         * fold_const (fold_binary): Fold X % (2**N) to X & (2**N - 1) for
1197         nonnegative values of X.
1199 2005-06-18  Uros Bizjak  <uros@kss-loka.si>
1201         * doc/md.texi (Standard Names): Change insn pattern name
1202         from truncM2 to btruncM2 for 'trunc' built-in description.
1203         Add rintM2 insn pattern description.
1205 2005-06-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1207         * c-decl.c (locate_old_decl): Add format attribute.
1208         (implicit_decl_warning): Likewise.
1210         * diagnostic.h (verbatim): Move ...
1211         * toplev.h (verbatim): ... here.  Add ATTRIBUTE_GCC_DIAG.
1212         * pretty-print.h (pp_verbatim): Add ATTRIBUTE_GCC_PPDIAG.
1214 2005-06-18  Roger Sayle  <roger@eyesopen.com>
1216         PR target/22083
1217         * config/rs6000/aix51.h (TARGET_C99_FUNCTIONS): Remove definition.
1219 2005-06-18  Dorit Nuzman  <dorit@il.ibm.com>
1221         * tree.def (REDUC_MAX_EXPR, REDUC_MIN_EXPR, REDUC_PLUS_EXPR): New
1222         tree-codes.
1223         * optabs.h (OTI_reduc_smax, OTI_reduc_umax, OTI_reduc_smin,
1224         OTI_reduc_umin, OTI_reduc_plus): New optabs for reduction. 
1225         (reduc_smax_optab, reduc_umax_optab, reduc_smin_optab, reduc_umin_optab,
1226         reduc_plus_optab): New optabs for reduction.
1227         * expr.c (expand_expr_real_1): Handle new tree-codes.
1228         * tree-inline.c (estimate_num_insns_1): Handle new tree-codes.
1229         * tree-pretty-print.c (dump_generic_node, op_prio, op_symbol): Handle
1230         new tree-codes.
1231         * optabs.c (optab_for_tree_code): Handle new tree-codes.
1232         (init_optabs): Initialize new optabs.
1233         * genopinit.c (optabs): Define handlers for new optabs. 
1235         * tree-vect-analyze.c (vect_analyze_operations): Fail vectorization in
1236         case of a phi that is marked as relevant. Call vectorizable_reduction.
1237         (vect_mark_relevant): Phis may be marked as relevant.
1238         (vect_mark_stmts_to_be_vectorized): The use corresponding to the 
1239         reduction variable in a reduction stmt does not mark its defining phi
1240         as relevant. Update documentation accordingly.
1241         (vect_can_advance_ivs_p): Skip reduction phis.
1242         * tree-vect-transform.c (vect_get_vec_def_for_operand): Takes
1243         additional argument. Handle reduction.
1244         (vect_create_destination_var): Update call to vect_get_new_vect_var.
1245         Handle non-vector argument.
1246         (get_initial_def_for_reduction): New function.
1247         (vect_create_epilog_for_reduction): New function. 
1248         (vectorizable_reduction): New function.
1249         (vect_get_new_vect_var): Handle new vect_var_kind.       
1250         (vectorizable_assignment, vectorizable_operation, vectorizable_store,
1251         vectorizable_condition): Update call to vect_get_new_vect_var.
1252         (vect_transform_stmt): Call vectorizable_reduction.
1253         (vect_update_ivs_after_vectorizer): Skip reduction phis.
1254         (vect_transform_loop): Skip if stmt is both not relevant and not live.
1255         * tree-vectorizer.c (reduction_code_for_scalar_code): New function.
1256         (vect_is_simple_reduction): Was empty - added implementation.
1257         * tree-vectorizer.h (vect_scalar_var): New enum vect_var_kind value.
1258         (reduc_vec_info_type): New enum vect_def_type value.
1259         * config/rs6000/altivec.md (reduc_smax_v4si, reduc_smax_v4sf,
1260         reduc_umax_v4si, reduc_smin_v4si, reduc_umin_v4sf, reduc_smin_v4sf,
1261         reduc_plus_v4si, reduc_plus_v4sf): New define_expands.
1263         * tree-vect-analyze.c (vect_determine_vectorization_factor): Remove
1264         ENABLE_CHECKING around gcc_assert.
1265         * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
1266         (vect_do_peeling_for_alignment, vect_transform_loop, 
1267         vect_get_vec_def_for_operand): Likewise.
1269 2005-06-18  Joseph S. Myers  <joseph@codesourcery.com>
1271         * config/ia64/ia64.c (ia64_function_arg): Set up a PARALLEL for a
1272         big-endian unnamed __float80 value.
1274 2005-06-18  Richard Henderson  <rth@redhat.com>
1276         PR tree-opt/22103
1277         * tree-sra.c (generate_copy_inout): Handle SSA_NAME complex
1278         destinations.
1280 2005-06-17  Richard Henderson  <rth@redhat.com>
1282         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Use
1283         initialize_original_copy_tables and free_original_copy_tables.
1284         (vect_do_peeling_for_alignment): Likewise.
1286 2005-06-17  Pat Haugen  <pthaugen@us.ibm.com>
1288         * bb-reorder.c (find_traces_1_round): Use succ block frequency
1289         instead of edge frequency for calls to better_edge_p.
1291 2005-06-17  Andrew Pinski  <pinskia@physics.uc.edu>
1293         PR tree-opt/22105
1294         * tree-ssa-loop-im.c (for_each_index): Handle COMPLEX_CST.
1296 2005-06-17  Steve Ellcey  <sje@cup.hp.com>
1298         PR target/19889
1299         * config/ia64/hpux.h (FUNCTION_PROFILER): New (dummy).
1300         (PROFILE_HOOK): New.
1301         (PROFILE_BEFORE_PROLOGUE): Undef.
1302         (NO_PROFILE_COUNTERS): New.
1303         * config/ia64/ia64-protos.h (ia64_profile_hook): New.
1304         * config/ia64/ia64.c (ia64_compute_frame_size): Add ifdef.
1305         (gen_mcount_func_rtx): New.
1306         (ia64_profile_hook): New.
1307         * config/ia64/ia64.md (ip_value): New.
1309 2005-06-17  Devang Patel  <dpatel@apple.com>
1311         * config/rs6000/predicates.md (s5bit_cint_operand,
1312         u5bit_cint_operand): New.
1313         * config/rs6000/altivec.md (altivec_vspltb, altivec_vsplth,
1314         altivec_vspltisw_v4sf): Use new 5 bit constant operand predicates.
1315         * config/rs6000/rs6000.c (rs6000_expand_unop_builtin): Fix signed
1316         5 bit constant check.
1317         
1318 2005-06-17  Richard Henderson  <rth@redhat.com>
1320         * local-alloc.c (update_equiv_regs): Update reg_equiv_init
1321         properly when moving an initialization insn.
1323 2005-06-17  Paolo Bonzini  <bonzini@gnu.org>
1325         * aclocal.m4 (gcc_AC_CHECK_TOOL): Do not overwrite the
1326         passed variable.
1327         * configure.ac: Regenerate.
1329 2005-06-17  Jan Hubicka  <jh@suse.cz>
1331         * tree-optimize.c (execute_ipa_pass_list): New.
1332         (ipa_passes): Use it.
1334 2005-06-16  Richard Henderson  <rth@redhat.com>
1336         PR tree-opt/22022
1337         * tree-complex.c (update_phi_components): Avoid no-op moves.
1339 2005-06-16  Joseph S. Myers  <joseph@codesourcery.com>
1341         * Makefile.in (cc1-checksum.c): Use
1342         build/genchecksum$(build_exeext), not build/genchecksum$(exeext).
1344 2005-06-16  Geoffrey Keating  <geoffk@apple.com>
1346         * gengtype.c (adjust_field_rtx_def): Don't add a skip to
1347         basic_block types.
1349         * config/t-slibgcc-darwin (SHLIB_SOVERSION): Rename from
1350         SHLIB_MINOR.
1351         (SHLIB_REVISION): Delete.
1352         (SHLIB_VERSTRING): Update to compensate.
1353         (SHLIB_SONAME): Just use one '.' in the name.
1355 2005-06-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
1357         PR tree-optimization/22018
1358         * tree-vrp.c (vrp_int_const_binop): Overhaul handling of overflow.
1360 2005-06-16  Richard Henderson  <rth@redhat.com>
1362         PR tree-opt/22035
1363         * builtins.c (fold_builtin_complex_mul): Remove.
1364         (fold_builtin_complex_div): Remove.
1365         (fold_builtin_1): Don't call them.
1366         * fold-const.c (fold_complex_add, fold_complex_mult_parts,
1367         fold_complex_mult, fold_complex_div_parts, fold_complex_div): Remove.
1368         (fold_binary): Don't call them.  Don't expand complex comparisons to
1369         elementary comparisons.
1370         * tree-complex.c (init_dont_simulate_again): Enhance search for 
1371         stmts that require decomposition.
1372         (complex_visit_stmt): Handle RETURN_EXPR properly.
1373         (create_components): Handle no referenced variables properly.
1374         * tree.h (fold_complex_mult_parts): Remove.
1375         (fold_complex_div_parts): Remove.
1377 2005-06-16  Richard Guenther  <rguenth@gcc.gnu.org>
1379         * doc/extend.texi: Document sseregparm target attribute.
1380         Clarify fastcall and regparm documentation.
1381         * config/i386/i386.h: Adjust float_in_sse documentation.
1382         * config/i386/i386.c: Add new target attribute sseregparm.
1383         (ix86_handle_cdecl_attribute, ix86_handle_regparm_attribute):
1384         Merge into ...
1385         (ix86_handle_cconv_attribute): ... here.  Also handle
1386         sseregparm attribute.
1387         (ix86_comp_type_attributes): Compare sseregparm attributes.
1388         (ix86_function_sseregparm): New function, split out from ...
1389         (init_cumulative_args): ... here.  Use to decide use
1390         of SSE registers and error in case of missing support.
1391         (ix86_value_regno): Likewise.
1392         (function_arg_advance): Do not bail out for DFmode if we need
1393         to pass doubles in registers.
1394         (function_arg): Likewise.
1396 2005-06-16  Paolo Bonzini  <bonzini@gnu.org>
1397             Daniel Jacobowitz  <dan@codesourcery.com>
1398             Alan Modra <amodra.bigpond.net.au>
1400         * configure.ac (gcc_version): Set near the beginning.
1401         (as, ld, nm): Do not link in-tree tools.  Set gcc_cv_* if tools are
1402         found in the tree.  Use gcc_AC_PROG to find the tools in the system.
1403         (objdump): Do not look for it.
1404         * Makefile.in (NM_FOR_TARGET): Point to ./nm
1405         (ORIGINAL_AS_FOR_TARGET, ORIGINAL_LD_FOR_TARGET,
1406         ORIGINAL_NM_FOR_TARGET): Substitute from autoconf.
1407         (as, ld, nm): New rules.
1408         (libgcc.mk): Depend on them.
1409         * aclocal.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL,
1410         gcc_AC_BUILD_EXEEXT): New.
1411         (gcc_AC_CHECK_PROG_VER): Use gcc_AC_BUILD_EXEEXT.
1412         * configure: Regenerate.
1414 2005-06-16  Jan Hubicka  <jh@suse.cz>
1416         * basic-block.h (rtl_bb_info): Break out head_, end_,
1417         global_live_at_start, global_live_at_end from ...
1418         (basic_block_def): ... here; update all references
1419         (BB_RTL): New flag.
1420         (init_rtl_bb_info): Declare.
1421         * cfgexpand.c (expand_gimple_basic_block): Init bb info, set BB_RTL
1422         flag.
1423         * cfgrtl.c: Include ggc.h
1424         (create_basic_block_structure): Init bb info.
1425         (rtl_verify_flow_info_1): Check BB_RTL flag and rtl_bb_info pointer.
1426         (init_rtl_bb_info): New function.
1427         (rtl_merge_block, cfglayout_merge_block): Copy global_live_at_end here.
1428         * cfghooks.c (merge_block): Do not copy global_live_at_end here.
1429         * cfg.c (clear_bb_flags): Skip BB_RTL flag.
1430         (dump_flow_info): Gueard global_live_* dumping.
1432         * Makefile.in (cfg.o): Add new dependencies.
1433         * basic-block.h (reorder_block_def): Kill
1434         original/copy/duplicated/copy_number fields.
1435         (BB_DUPLICATED): New flag.
1436         (initialize_original_copy_tables, free_original_copy_tables,
1437         set_bb_original, get_bb_original, set_bb_copy, get_bb_copy): New.
1438         * cfg.c: Include hashtab.h and alloc-pool.h
1439         (bb_original, bb_copy, original_copy_bb_pool): New static vars.
1440         (htab_bb_copy_original_entry): New struct.
1441         (bb_copy_original_hash, bb_copy_original_eq): New static functions.
1442         (initialize_original_copy_tables, free_original_copy_tables,
1443         set_bb_original, get_bb_original, set_bb_copy, get_bb_copy): New
1444         global functions.
1445         * cfghooks.c (duplicate_block): Update original/copy handling.
1446         * cfglayout.c (fixup_reorder_chain): Likewise.
1447         (cfg_layout_initialize): Initialize orignal_copy tables.
1448         (cfg_layout_finalize): FInalize original_copy tables.
1449         (can_copy_bbs_p): Use BB_DUPLICATED flag.
1450         (copy_bbs): Likewise.
1451         * cfgloopmanip.c (update-single_exits_after_duplication): Likewise.
1452         (duplicate_loop_to_header_edge): Likewise; update handling of
1453         copy_number.
1454         (loop_version): Likewise.
1455         * dominance.c (get_dominated_by_region): Use BB_DUPLICATED_FLAG.
1456         * except.c (expand_resx_expr): Check that reg->resume is not set.
1457         * loop-unroll.c (unroll_loop_constant_iterations,
1458         unroll_loop_runtime_iterations, apply_opt_in_copies): Update
1459         copy/original handling.
1460         * loop-unwitch.c (unswitch_loop): Likewise.
1461         * tree-cfg.c (create_bb): Do not initialize RBI.
1462         (disband_implicit_edges): Do not kill RBI.
1463         (add_phi_args_after_copy_bb): Use new original/copy mapping.
1464         (add_phi_args_after_copy): Use BB_DUPLICATED flag.
1465         (tree_duplicate_sese_region): Update original/copy handling.
1466         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
1467         * tree-ssa-loop-manip.c (copy_phi_node_args): Likewise.
1468         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Likewise.
1470 2005-06-15  Andrew Pinski  <pinskia@physics.uc.edu>
1472         PR tree-opt/21923
1473         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Conversions between
1474         integer types whos ranges are different are not useless.
1476 2005-06-15  Andrew Pinski  <pinskia@physics.uc.edu>
1478         PR tree-opt/22024
1479         * tree-ssa-reassoc.c (init_reassoc): Also give chain decl a distint
1480         rank.
1482 2005-06-15  Diego Novillo  <dnovillo@redhat.com>
1484         * tree-ssa-structalias.c (dump_solution_for_var): Reformat
1485         output.
1486         (dump_sa_points_to_info): Make extern.
1487         (debug_sa_points_to_info): New.
1488         * tree-ssa-structalias.h (TREE_SSA_STRUCTALIAS_H): Rename from
1489         TREE_ALIAS_COMMON.
1490         (dump_sa_points_to_info): Declare.
1491         (debug_sa_points_to_info): Declare.
1493 2005-06-15  Joseph S. Myers  <joseph@codesourcery.com>
1495         * c-tree.h (default_function_array_conversion): Declare.
1496         * c-typeck.c (default_function_array_conversion): Export.  Correct
1497         comment.
1498         (default_conversion): Do not call
1499         default_function_array_conversion.  Do not allow FUNCTION_TYPE.
1500         (build_function_call): Call default_function_array_conversion on
1501         the function.
1502         (convert_arguments): Do not call it on the function arguments.
1503         (build_unary_op): Do not allow ARRAY_TYPE or FUNCTION_TYPE for
1504         TRUTH_NOT_EXPR.  Call default_function_array_conversion for taking
1505         address of ARRAY_REF.
1506         (build_compound_expr): Do not call
1507         default_function_array_conversion.
1508         (build_c_cast): Do not call default_function_array_conversion.
1509         (convert_for_assignment): Do not call default_conversion.
1510         (digest_init): Call default_function_array_conversion to convert
1511         string constants and compound literals to pointers, but not
1512         otherwise.
1513         (output_init_element): Likewise.
1514         (build_asm_expr): Do not call default_function_array_conversion.
1515         (c_process_expr_stmt): Likewise.
1516         (c_objc_common_truthvalue_conversion): Likewise.  Do not allow
1517         FUNCTION_TYPE.
1518         * c-parser.c (c_parser_expression_conv): New.
1519         (c_parser_asm_operands, c_parser_expr_list): Add convert_p
1520         argument.  All callers changed.  Call
1521         default_function_array_conversion if convert_p.
1522         (c_parser_initializer, c_parser_initval): Call
1523         default_function_array_conversion except for string constants and
1524         compound literals.
1525         (c_parser_initelt): Call default_function_array_conversion for
1526         ObjC expression received.
1527         (c_parser_statement_after_labels): Call c_parser_expression_conv
1528         for return and expression statements.
1529         (c_parser_paren_condition, c_parser_for_statement,
1530         c_parser_conditional_expression): Call c_parser_expression_conv.
1531         (c_parser_expr_no_commas, c_parser_conditional_expression,
1532         c_parser_binary_expression, c_parser_cast_expression,
1533         c_parser_unary_expression): Call
1534         default_function_array_conversion.
1536 2005-06-15  Diego Novillo  <dnovillo@redhat.com>
1538         * tree-vrp.c (vrp_int_const_binop): Do not handle MAX_EXPR
1539         when the result overflows.
1541 2005-06-15  David Ung  <davidu@mips.com>
1543         * config/mips/mips.c (mips_rtx_cost_data): Add cost for 4kc, 4kp,
1544         24k and 24kx.
1545         
1546 2005-06-15  Richard Sandiford  <richard@codesourcery.com>
1548         * doc/invoke.texi (-mips16): Fix typo.
1550 2005-06-15  David Ung  <davidu@mips.com>
1552         * config/mips/mips.h (GENERATE_MIPS16E): New definition.
1553         * config/mips/mips.md (zero_extend<SHORT:mode><GPR:mode>2):
1554         Changed expand condition to exclude generating of "and" if
1555         GENERATE_MIPS16E is true.
1556         (*zero_extend<SHORT:mode><GPR:mode>2_mips16e): New pattern for
1557         matching mips16e zeb/zeh.
1558         (*extend<SHORT:mode><GPR:mode>2_mips16e): New pattern for matching
1559         mips16e seb/seh. 
1560         (*extend<SHORT:mode><GPR:mode>2): Disable this pattern for
1561         GENERATE_MIPS16E. 
1562         * doc/invoke.texi (MIPS Options): Add comment to -mips16
1563         indicating MIPS16e ASE is used if targetting for MIPS32 or MIPS64.
1564         
1565 2005-06-15  Diego Novillo  <dnovillo@redhat.com>
1567         PR 22018
1568         * tree-vrp.c (vrp_int_const_binop): New.
1569         (extract_range_from_binary_expr): Call it.
1570         Unify handling division and multiplication.
1572 2005-06-15  Aldy Hernandez  <aldyh@redhat.com>
1574         * c-common.h (same_scalar_type_ignoring_signedness): Protoize.
1576         * c-common.c (same_scalar_type_ignoring_signedness): New.
1578         * c-typeck.c (build_binary_op): Check compatability of vector
1579         types.  Move error report after switch.
1580         Do not clobber code[01] on *_DIV_EXPR case.
1582         * testsuite/gcc.dg/simd-1.c: Update error messages.
1583         * testsuite/gcc.dg/simd-1b.c: Re-enable tests.  Update error
1584         messages.
1585         * testsuite/gcc.dg/simd-2.c: Update error messages.
1586         * testsuite/gcc.dg/simd-4.c: New.
1588 2005-06-15  Bernd Schmidt  <bernd.schmidt@analog.com>
1590         * Makefile.in (local-alloc.o): Depend on $(GGC_H) and reload.h.
1591         * local-alloc.c: Include "ggc.h" and "reload.h".
1592         (struct equivalence): New member is_arg_equivalence.
1593         (local_alloc): Always call update_equiv_regs.
1594         (update_equiv_regs): Allocate reg_equiv_init; set reg_equiv_init_size.
1595         Detect equivalences made by stores to memory in a second pass.
1596         Return early if not optimizing.
1597         Initialize reg_equiv_init for all equivalences; treat equivalences for
1598         REG_EQUIV notes existing before this pass specially.
1599         (no_equiv): Don't clear reg_equiv_init or remove notes if the
1600         is_arg_equivalence field is set.
1601         * reload.h (reg_equiv_init, reg_equiv_init_size): Declare.
1602         * reload1.c (reg_equiv_init): No longer static.
1603         (reg_equiv_init_size): New variable.
1604         (reload): Don't allocate reg_equiv_init; don't free it when done but
1605         clear it.
1606         Restructure equivalence set up code not to set reg_equiv_init, but to
1607         clear it when we can't use an equivalence.
1608         Undo change disabling equivalences for MEM_READONLY_P memrefs.
1609         Dump equivalencing insns to dump_file.
1611 2005-06-14  Richard Sandiford  <richard@codesourcery.com>
1613         * config/mips/mips.c (machine_function): Add varargs_size field.
1614         (mips_setup_incoming_varargs): Store the amount of extra stack space
1615         there rather than in *pretend_size.  When saving registers, always
1616         expect virtual_incoming_args_rtx to point to the start of the
1617         pretend arguments.
1618         (mips_va_start): Remove alignment hack.  Handle all
1619         !EABI_FLOAT_VARARGS_P cases in the same way.
1620         (compute_frame_size): Handle varargs_size.  Remove the redundant
1621         !TARGET_OLDABI condition in the handling of pretend_args_size.
1622         (mips_initial_elimination_offset): Remove the now-redundant check
1623         of TARGET_NEWABI.
1625 2005-06-14  Jeff Law  <law@redhat.com>
1627         * tree-vrp.c (local_fold): Remove.
1628         (simplify_using_ranges): Use fold_convert, not local_fold.  Tweak
1629         DIV/MOD case slightly for readability.
1631 2005-06-14  Frank Ch. Eigler  <fche@redhat.com>
1633         PR mudflap/21023
1634         * tree-mudflap.c (mudflap_finish_file): Exclude non-public
1635         rather than static objects (!) from libmudflap registration.
1637 2005-06-14  Richard Sandiford  <richard@codesourcery.com>
1639         * opt-functions.awk (global_state_p, needs_state_p, static_var): New.
1640         (var_ref): Take the option's flags as a second parameter.  Check
1641         static_var.
1642         * optc-gen.awk: Declare local state variables.  Pass flags to var_ref.
1644 2005-06-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
1646         PR target/20301
1647         * config/sparc/sol2.h (ASM_GENERATE_INTERNAL_LABEL): Emit
1648         unsigned index numbers.
1650 2005-06-13  Geoffrey Keating  <geoffk@apple.com>
1652         * Makefile.in (install-man): Doesn't really depend on installdirs.
1653         (various rules for installing manpages): Do depend on installdirs.
1655 2005-06-14  Nathan Sidwell  <nathan@codesourcery.com>
1657         * unwind-dw2-fde-darwin.c (examine_objects): Fix aliasing in
1658         read_encoded_value_with_base call.
1659         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Likewise.
1660         * unwind-dw2-fde.c (_Unwind_Find_FDE): Likewise.
1661         * unwind-dw2.c (extract_cie_info): Fix aliasing in
1662         read_encoded_value call.
1663         (execute_cfa_program, uw_frame_state_for): Likewise.
1665 2005-06-13  Roger Sayle  <roger@eyesopen.com>
1667         PR rtl-optimization/22053
1668         * reg-stack.c (compensate_edge): Correct mistake in the assertion
1669         checking of EDGE_ABNORMAL_CALL edges; complex return values can
1670         result in the top two stack slots, st(0) and st(1), being live.
1672 2005-06-13  Jeff Law  <law@redhat.com>
1674         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): No longer
1675         simplify DIV, MOD or ABS expressions using VRP information.
1676         Remove WALK_DATA parameter.  Prototype and all callers updated.
1677         (eliminate_redundant_computations): Remove WALK_DATA parameter.
1678         Prototype and all callers updated.
1679         (optimize_stmt): WALK_DATA parameter is now unused.
1681         * tree-vrp.c (local_fold): New function.  Like fold, but
1682         strips useless type conversions in the result.
1683         (simplify_using_ranges): New function, largely cribbed from
1684         tree-ssa-dom.c::simplify_rhs_and_lookup_avail_expr.
1685         (vrp_finalize): Call simplify_using_ranges.
1687 2005-06-13  Mark Mitchell  <mark@codesourcery.com>
1689         * config/i386/x86-64.h (ASM_SPEC): Explicitly pass --64 to the
1690         assembler in 64-bit mode.
1692 2005-06-13  David Edelsohn  <edelsohn@gnu.org>
1694         Revert scc_operand patch.
1695         * config/rs6000/predicates.md (scc_operand): Delete.
1696         * config/rs6000/rs6000.md (scc_operand): Change to scc_eq_operand.
1698 2005-06-13  Zdenek Dvorak  <dvorakz@suse.cz>
1700         PR middle-end/21985
1701         * fold-const.c (split_address_to_core_and_offset): Always return
1702         the address of the base object.
1704 2005-06-13  Bernd Schmidt  <bernd.schmidt@analog.com>
1706         * doc/invoke.texi (Blackfin Options): Document -mlong-calls.
1708 2005-06-12  Richard Henderson  <rth@redhat.com>
1710         PR tree-opt/21994
1711         * tree-complex.c (update_complex_components_on_edge): New.
1712         (update_parameter_components): Use it.
1713         (update_phi_components): Likewise.
1714         (expand_complex_move): Likewise for is_ctrl_altering_stmt.
1716 2005-06-12  James A. Morrison  <phython@gcc.gnu.org>
1718         PR tree-optimization/14796
1719         * fold-const (fold_binary): Transform (X << C) >> C into X & (-1>>C)
1720         for unsigned types.
1722 2005-06-12  Kazu Hirata  <kazu@codesourcery.com>
1724         * cgraphunit.c, tree-ssa-loop-ivopts.c,
1725         tree-ssa-structalias.c, tree-vectorizer.c, tree-vectorizer.h,
1726         config/sparc/sparc.c: Fix comment typos.
1728 2005-06-12  Richard Earnshaw  <richard.earnshaw@arm.com>
1730         * arm/ieee754-df.s (aeabi_dcmpeq, aeabi_dcmplt, aeabi_dcmple)
1731         (aeabi_dcmpge, aeabi_dcmpgt): Maintain 8-byte stack alignment.
1732         * arm/ieee754-sf.s (aeabi_l2f, aeabi_fcmpeq, aeabi_fcmplt)
1733         (aeabi_fcmple, aeabi_fcmpge, aeabi_fcmpgt): Likewise.
1735 2005-06-12  James A. Morrison  <phython@gcc.gnu.org>
1737         PR tree-optimization/14796
1738         * fold-const.c (fold_binary): Transform (A >> C) << C into
1739         one BIT_AND_EXPR.
1740         <shift>: Transform (A OP c1) OP c2 into A OP (c1 + c2).
1742 2005-06-11  Geoffrey Keating  <geoffk@apple.com>
1744         * config/rs6000/predicates.md (reg_or_arith_cint_operand): Delete.
1745         (reg_or_add_cint_operand): Rename from reg_or_add_cint64_operand.
1746         Handle SImode.
1747         (reg_or_sub_cint_operand): Likewise.
1748         (mask_operand): Handle DImode.
1749         (mask64_operand): Delete.
1750         (and64_operand): Delete.
1751         * config/rs6000/rs6000.c (num_insns_constant): Use mask_operand
1752         instead of mask64_operand.
1753         (print_operand): Likewise.
1754         (rs6000_rtx_costs): Use mask_operand and reg_or_add_cint_operand and
1755         reg_or_sub_cint_operand instead of *64_* variants.
1756         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Use mask_operand
1757         instead of mask64_operand.
1758         * config/rs6000/rs6000.md: Use mask_operand and and_operand instead
1759         of *64_* variants.
1760         (FP): New.
1761         (add_op2): Delete.
1762         (add<mode>3): Use reg_or_add_cint_operand.
1763         (sub_op2): Delete.
1764         (sub<mode>3): Use reg_or_sub_cint_operand.
1765         (udiv<mode>3, div<mode>3, div<mode>3_no_mq, mod<mode>3,
1766         mov<mode>_internal2, mov<mode>, cmp<mode>, cmp<mode>,
1767         cmp<mode>_internal1, indirect_jump<mode>, ctr<mode>,
1768         ctr<mode>_internal1, ctr<mode>_internal2, ctr<mode>_internal5,
1769         ctr<mode>_internal6, save_fpregs_<mode>, return_internal_<mode>,
1770         return_and_restore_fpregs_<mode>, eh_set_lr_<mode>,
1771         various unnamed patterns): New.
1772         (udivsi3, divsi3, divsi3_no_mq, modsi3, movsi_internal2, movsi,
1773         cmpsi, cmpsi_internal1, indirect_jumpsi, ctrsi, ctrsi_internal1,
1774         ctrsi_internal2, ctrsi_internal5, ctrsi_internal6, save_fpregs_si,
1775         return_internal_si, return_and_restore_fpregs_si, eh_set_lr_si,
1776         udivdi3, divdi3, divdi3_no_mq, moddi3, movdi_internal2, movdi,
1777         cmpdi, cmpdi_internal1, indirect_jumpdi, ctrdi, ctrdi_internal1,
1778         ctrdi_internal2, ctrdi_internal5, ctrdi_internal6, save_fpregs_di,
1779         return_internal_di, return_and_restore_fpregs_di, eh_set_lr_di,
1780         movhi, movqi, cmpsf, cmpdf, cmptf, various unnamed patterns):
1781         Delete.
1783 2005-06-11  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1785         * rtl.h (to_rtx_code): Remove.
1786         * machmode.h (to_machine_mode): Likewise.
1787         * read-rtl.c (apply_mode_macro): Replace to_machine_mode with
1788         explicit cast.
1789         (apply_mode_maps): Likewise.
1790         (read_rtx_1): Likewise.
1791         (apply_code_macro): Replace to to_rtx_code with explicit cast.
1792         (check_code_macro): Likewise.
1793         (read_rtx_1): Likewise.
1795 2005-06-11  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1797         * c-typeck.c (convert_for_assignment): Avoid checking
1798         OPT_Wc___compat, as it is always true.
1800 2005-06-11  David Edelsohn  <edelsohn@gnu.org>
1802         * config/rs6000/rs6000.md (eq<mode>_compare): Restrict to Pmode.
1804 2005-06-11  Daniel Berlin  <dberlin@dberlin.org>
1806         Fix PR tree-optimization/22005
1807         Fix PR tree-optimization/22025
1808         
1809         * tree-ssa-structalias.c (struct variable_info): Add has_union
1810         member.
1811         (create_variable_info_for):  Mark variables containing unions.
1812         Don't sort the field stack if notokay is true.
1813         (find_what_p_points_to): Convert variables containing unions back
1814         to their SFT's if necessary.
1815         
1816 2005-06-11  Daniel Berlin  <dberlin@dberlin.org>
1818         * lambda-code.c (replace_uses_equiv_to_x_with_y): Verify the step
1819         is an INTEGER_CST before calling int_cst_value.
1821 2005-06-10  Uros Bizjak  <uros@kss-loka.si>
1823         PR target/21981
1824         * config/i386/i386.c (ix86_function_value_regno_p): Return true
1825         for FIRST_MMX_REG if TARGET_MMX.
1826         (ix86_return_in_memory): Return 1 for MMX/3dNow vectors. Delete
1827         wrong comment.
1828         (ix86_struct_value_rtx): Emit warning for MMX ABI violations.
1829         (ix86_value_regno): Return FIRST_MMX_REG for MMX vector modes.
1831 2005-06-10  Daniel Berlin  <dberlin@dberlin.org>
1833         * lambda-code.c (replace_uses_equiv_to_x_with_y): Check step
1834         and access function against chrec_dont_know.
1835           
1836 2005-06-10  Daniel Berlin  <dberlin@dberlin.org>
1838         * lambda-code.c (replace_uses_of_x_with_y): Renamed and rewritten
1839         slightly.
1840         (exit_phi_for_loop_p): New function.
1841         (can_put_in_inner_loop): Ditto.
1842         (can_convert_to_perfect_nest): Ditto.
1843         (perfect_nestify): Create iv with right type.
1844         Rewrite statements in correct order.    
1846 2005-06-10  Keith Besaw  <kbesaw@us.ibm.com>
1848         * tree-ssa-alias.c (new_type_alias): Use existing type
1849         tag if VAR has just one in its may_aliases list.
1851 2005-06-10  Fariborz Jahanian <fjahanian@apple.com>
1853         * rs6000/predicates.md (scc_operand): New.
1854         * rs6000/rs6000.md : Use scc_operand for eq:SI compares.
1856 2005-06-10  Dorit Nuzman  <dorit@il.ibm.com>
1858         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): DRs whose
1859         dependence-distance modulo VF is 0 are recorded in the 
1860         SAME_ALIGN_REFs VEC in each DR.
1861         (vect_enhance_data_refs_alignment): Avoid 80 column overflow. The
1862         alignment information of DRs that are in the SAME_ALIGN_REFs VEC of the
1863         DR we want to peel for, is set to 0.
1864         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Fix printout.
1865         * tree-vectorizer.c (destroy_loop_vec_info): Free the SAME_ALIGN_REFs
1866         VEC.
1867         * tree-vectorizer.h (dr_p): New type. Defined to use the VEC API.
1868         (_stmt_vec_info): Added new field same_align_refs.
1869         (STMT_VINFO_SAME_ALIGN_REFS): New macro.
1871 2005-06-10  Nathan Sidwell  <nathan@codesourcery.com>
1873         * vec.h (VEC_safe_grow): Append MEM_STAT_INFO.
1875 2005-06-10  Alan Modra  <amodra@bigpond.net.au>
1877         * config/rs6000/linux.h (NO_PROFILE_COUNTERS): Define.
1878         * config/rs6000/linux64.h (NO_PROFILE_COUNTERS): Define as 1.
1879         * config/rs6000/rs6000.c (output_function_profiler): Obey
1880         NO_PROFILE_COUNTERS.  Handle TARGET_SECURE_PLT.  Use "bcl 20,31"
1881         for -fPIC.  Delete save_lr and substitute its value into strings.
1883 2005-06-09  Dale Johannesen  <dalej@apple.com>
1885         * config/i386/i386.c (optimization_options):  Make -fno-math-errno
1886         the default on Darwin.
1887         * config/rs6000/rs6000.c (optimization_options):  Ditto.
1888         * doc/invoke.texi (-fno-math-errno): Document.
1890 2005-06-09  Dale Johannesen  <dalej@apple.com>
1892         * config/rs6000/rs6000.c (TARGET_INSN_VALID_WITHIN_DOLOOP):
1893         Change to TARGET_INVALID_WITHIN_DOLOOP.
1895 2005-06-09  David Edelsohn  <edelsohn@gnu.org>
1897         * config/rs6000/rs6000.md (eq): Convert to define_insn_and_split.
1898         * config/rs6000/predicates.md (scc_eq_operand): New.
1900 2005-06-09  Kaz Kojima  <kkojima@gcc.gnu.org>
1902         * config/sh/sh.md (mextr_rl): Set buffer size properly.
1903         (*mextr_lr): Likewise.
1905 2005-06-09  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1907         PR c/21759
1908         * c.opt (Wc++-compat): New.
1909         * doc/invoke.texi (-Wc++-compat): Document.
1910         * c-typeck.c (convert_for_assignment): Check for implicit
1911         conversion void* -> T*.
1913 2005-06-09  Gabriel Dos Reis  <gdr@integrable-solutions.edu>
1915         * machmode.h (to_machine_mode): New.
1916         * rtl.h (to_rtx_code): Likewise.
1917         * read-rtl.c (apply_mode_macro): Convert mode to machine_mode.
1918         (print_c_condition): Convert return value of htab_find().
1919         (apply_code_macro): Add explicit cast when convertin to enums.
1920         (apply_mode_maps): Likewise.
1921         (check_code_macro): Likewise.
1922         (read_rtx_1): Likewise.
1924 2005-06-09  Richard Henderson  <rth@redhat.com>
1926         * config/ia64/ia64.c (update_set_flags): Just return for IF_THEN_ELSE.
1927         Use SCALAR_FLOAT_MODE_P.
1928         * config/ia64/vect.md (vcondv2sf): Remove code check on comparison.
1929         (fselect): Rename from fpcmp; use %F.
1930         (fpcmp): New.
1932 2005-06-09  Jan Hubicka  <jh@suse.cz>
1934         * cgraphunit.c (cgraph_create_edges): Do not walk BLOCK; finalize
1935         local statics when doing unit-at-a-time.
1936         (cgraph_varpool_assemble_pending_decls): Output debug info.
1937         * dwarf2out.c (decls_for_scope): Skip local statics.
1938         (dwarf2out_decl): Handle local statics.
1939         * passes.c (rest_of_decl_compilation): Do not differentiate
1940         local and global statics in unit-at-a-time.
1941         * tree-inline.c (remap_decls): Put local static into
1942         unexpanded_vars_list rather than introducing duplicated VAR_DECL
1943         node.
1945 2005-06-09  Daniel Berlin  <dberlin@dberlin.org>
1947         * config/rs6000/rs6000.c: (rs6000_insn_valid_within_doloop): Fix
1948         prototype.
1950 2005-06-08  Daniel Berlin  <dberlin@dberlin.org>
1952         * Makefile.in (OBJS-common): Add tree-ssa-structalias.o.
1953         * tree-flow.h (find_what_p_points_to): Add prototype.
1954         (push_fields_onto_fieldstack): Ditto.
1955         (sort_fieldstack): Ditto.
1956         * tree-optimize.c (init_tree_optimization_passes): Add
1957         pass_build_pta and pass_del_pta.
1958         * tree-pass.h (pass_build_pta): New structure.
1959         (pass_del_pta): Ditto.
1960         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): Disambiguate
1961         using new alias analyzer.
1962         (push_fields_onto_fieldstack): Removed from here.
1963         (bitpos_of_field): Ditto.
1964         (fieldoff_compare): Ditto.
1965         * tree-ssa-structalias.c: New file.
1966         * tree-ssa-structalias.h: Ditto.
1968 2005-06-09  Nathan Sidwell  <nathan@codesourcery.com>
1970         * c-typeck.c (build_c_cast): Check type punning on COMPONENT_REF
1971         too.
1973 2005-06-09  Bernd Schmidt  <bernd.schmidt@analog.com>
1975         * config/bfin/bfin.c (enum bfin_builtins): Moved here from...
1976         * config/bfin/bfin.h (enum bfin_builtins): ... here.
1978 2005-06-09  Adrian Straetling  <straetling@de.ibm.com>
1980         * target.h (insn_valid_within_doloop): Rename into
1981         "invalid_within_doloop".  Change return type to "const char *".
1982         Update Comment.
1983         * targhooks.h (default_insn_valid_within_doloop): Rename into
1984         "default_invalid_within_doloop". 
1985         * targhooks.c (default_insn_valid_within_doloop): Likewise.
1986         Update Comment.
1987         * target-def.h (TARGET_INSN_VALID_WITHIN_DOLOOP): Rename target hook
1988         into "TARGET_INVALID_WITHIN_DOLOOP". Default it to
1989         "default_invalid_within_doloop".
1990         * hooks.c (hook_constcharptr_rtx_null): New function.
1991         (hook_bool_rtx_true): Remove.
1992         * hooks.h (hook_constcharptr_rtx_null): Declare.
1993         (hook_bool_rtx_true): Remove.
1994         * loop-doloop.c (doloop_valid_p): Temporarily store return value of
1995         "invalid_within_doloop" and print error message if non-null.
1996         Update Comment.
1997         * doc/tm.texi: Update documentation.
1998         * config/s390/s390.c: Adjust to new hook name and new default hook.
1999         * config/rs6000/rs6000.c: (rs6000_insn_valid_within_doloop): Rename
2000         into "rs6000_invalid_within_doloop".
2001         (rs6000_invalid_within_doloop): Change return type to "static const
2002         char *" and replace return values.  Update Comment.
2004 2005-06-09  Bernd Schmidt  <bernd.schmidt@analog.com>
2006         * config/bfin/bfin.opt (mlong-calls): New.
2007         * config/bfin/predicates.md (call_insn_operand): Disallow SYMBOL_REF
2008         if TARGET_LONG_CALLS.
2010 2005-06-09  Richard Henderson  <rth@redhat.com>
2012         PR tree-opt/20610
2013         * tree.h (DECL_COMPLEX_GIMPLE_REG_P): New.
2014         (struct tree_decl): Add gimple_reg_flag.
2015         * integrate.c (copy_decl_for_inlining): Copy it.
2016         * gimplify.c (internal_get_tmp_var): Set it.
2017         (gimplify_bind_expr): Likewise.
2018         (gimplify_function_tree): Likewise.
2019         (gimplify_modify_expr_complex_part): New.
2020         (gimplify_modify_expr): Use it.
2021         * tree-gimple.c (is_gimple_reg_type): Allow complex.
2022         (is_gimple_reg): Allow complex with DECL_COMPLEX_GIMPLE_REG_P set.
2024         * tree-complex.c (complex_lattice_t): New.
2025         (complex_lattice_values, complex_variable_components): New.
2026         (some_nonzerop, find_lattice_value, is_complex_reg,
2027         init_parameter_lattice_values, init_dont_simulate_again, 
2028         complex_visit_stmt, complex_visit_phi, create_components,
2029         update_complex_components, update_parameter_components, 
2030         update_phi_components, update_all_vops, expand_complex_move): New.
2031         (extract_component): Handle INDIRECT_REF, COMPONENT_REF, ARRAY_REF,
2032         SSA_NAME.
2033         (update_complex_assignment): Use update_complex_components;
2034         handle updates of return_expr properly.
2035         (expand_complex_addition): Use complex lattice values.
2036         (expand_complex_multiplication): Likewise.
2037         (expand_complex_division): Likewise.
2038         (expand_complex_libcall): Use update_complex_components.
2039         (expand_complex_comparison): Use update_stmt.
2040         (expand_complex_operations_1): Use expand_complex_move, retrieve
2041         lattice values.
2042         (tree_lower_complex): Compute lattice values.
2043         (tree_lower_complex_O0): Duplicate from tree_lower_complex.
2044         (pass_lower_complex_O0): Rename from pass_lower_complex.
2045         (pass_lower_complex, gate_no_optimization): New.
2046         * tree-optimize.c (init_tree_optimization_passes): Update for
2047         complex pass changes.
2048         * tree-pass.h (pass_lower_complex_O0): Declare.
2050 2005-06-08  Dale Johannesen  <dalej@apple.com>
2052         * config/darwin.c (darwin_binds_local_p):  New.
2053         * config/darwin-protos.h (darwin_binds_local_p):  Declare it.
2054         * config/i386/i386.c (TARGET_BINDS_LOCAL_P):  Use it for TARGET_MACHO.
2055         * config/rs6000/rs6000.c (rs6000_binds_local_p):  Remove.
2056         (TARGET_BINDS_LOCAL_P):  Change it to darwin_binds_local_p.
2058 2005-06-08  Aldy Hernandez  <aldyh@redhat.com>
2060         * config/rs6000/rs6000.h: Remove rs6000_long_double_size_string,
2061         rs6000_isel, rs6000_spe, rs6000_alignment_string,
2062         rs6000_sched_restricted_insns_priority_str,
2063         rs6000_sched_restricted_insns_priority, rs6000_abi_string.
2065 2005-06-08  Zdenek Dvorak  <dvorakz@suse.cz>
2067         * tree-ssa-address.c (addr_for_mem_ref): Use LAST_VIRTUAL_REGISTER
2068         instead of FIRST_PSEUDO_REGISTER for creating pseudoregisters.
2069         * tree-ssa-loop-ivopts.c (add_cost, multiply_by_cost,
2070         multiplier_allowed_in_address_p, get_address_cost): Ditto.
2072 2005-06-08  Richard Henderson  <rth@redhat.com>
2074         * config/ia64/ia64.h (NO_PROFILE_COUNTERS): New.
2075         * config/ia64/ia64.c (ia64_output_function_profiler): Honor it.
2076         Emit out3 load right after alloc.
2078 2005-06-08  Aldy Hernandez  <aldyh@redhat.com>
2080         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use
2081         rs6000_explicit_options.
2083 2005-06-08  Richard Henderson  <rth@redhat.com>
2085         * config/ia64/ia64.h (FUNCTION_PROFILER): Move implementation ...
2086         * config/ia64/ia64.c (ia64_output_function_profiler): ... here; add
2087         unwind markup.
2088         * config/ia64/ia64-protos.h (ia64_output_function_profiler): Declare.
2090 2005-06-08  Joseph S. Myers  <joseph@codesourcery.com>
2092         * config/sol2-c.c (cmn_err_char_table): Allow width for %b
2093         formats.
2095 2005-06-08  James A. Morrison  <phython@gcc.gnu.org>
2097         PR target/20666
2098         * config/sparc/sparc.c (sparc_fold_builtin): New function
2099         (sparc_vis_mul8x16): New function.
2100         (sparc_handle_vis_mul8x16): New function.
2101         (TARGET_FOLD_BUILTIN): Define to sparc_fold_builtin.
2103 2005-06-08  David Edelsohn  <edelsohn@gnu.org>
2105         * config/rs6000/rs6000.md (call_indirect_nonlocal_aix32): Prefer
2106         CTR to LR.
2107         (call_indirect_nonlocal_aix64): Same.
2108         (call_value_indirect_nonlocal_aix32): Same.
2109         (call_value_indirect_nonlocal_aix64): Same.
2111         PR target/10588
2112         (eq): Use CLZ splitter for compare with zero.
2114 2005-06-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2116         * config/bfin/bfin.c (bfin_return_in_memory): Simplify; return
2117         everything larger than 8 bytes in memory.
2119         * config/bfin/bfin.h (enum bfin_builtins): New.
2120         * config/bfin/bfin.md (UNSPEC_VOLATILE_CSYNC, UNSPEC_VOLATILE_SSYNC):
2121         New constants.
2122         (csync, ssync): New insn patterns.
2123         * config/bfin/bfin.c (bfin_init_builtins, bfin_expand_builtin):
2124         New functions.
2125         (def_builtin): New macro.
2126         (TARGET_INIT_BUILTINS, TARGET_EXPAND_BUILTIN): Define.
2128         From Jie Zhang  <jie.zhang@analog.com>
2129         * config/bfin/bfin.h (ASM_OUTPUT_ALIGN): Gas now emulates the
2130         behavior of the native assembler in VDSP. So change accordingly.
2131         
2132 2005-06-08  Sebastian Pop  <pop@cri.ensmp.fr>
2134         * tree-data-ref.c (compute_estimated_nb_iterations,
2135         analyze_array_indexes, compute_overlap_steps_for_affine_1_2,
2136         analyze_subscript_affine_affine, find_data_references_in_loop):
2137         Fixed to use chrec_contains_undetermined to test the values of
2138         loop->estimated_nb_iterations.
2139         * tree-ssa-loop-niter.c (estimate_numbers_of_iterations_loop):
2140         Compute the estimation only when loop->estimated_nb_iterations
2141         has not yet been initialized.
2142         (convert_step_widening, scev_probably_wraps_p): Add a call to
2143         estimate_numbers_of_iterations_loop.
2144         * tree-vrp.c (execute_vrp): Don't call estimate_numbers_of_iterations.
2146 2005-06-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2148         PR debug/21946
2149         * dwarf2out.c (add_loc_descr_op_piece): Move to the
2150         DWARF2_DEBUGGING_INFO section.
2152 2005-06-08  Richard Henderson  <rth@redhat.com>
2154         PR target/21721
2155         * config/ia64/ia64.c (emit_predicate_relation_info): Skip p0.
2157 2005-06-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
2159         PR target/21889
2160         * target.h (gcc_target) <asm_out>: New field output_dwarf_dtprel.
2161         * target-def.h (TARGET_ASM_OUTPUT_DWARF_DTPREL): New macro.
2162         (TARGET_ASM_OUT): Add it.
2163         * doc/tm.texi (Debugging Info): Document it.
2164         * dwarf2out.c (output_loc_operands) <INTERNAL_DW_OP_tls_addr>:
2165         Test it instead of ASM_OUTPUT_DWARF_DTPREL.
2166         (loc_descriptor_from_tree_1) <VAR_DECL>: Likewise.
2167         * system.h: Poison ASM_OUTPUT_DWARF_DTPREL.
2168         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Delete.
2169         * config/frv/frv.c (frv_output_dwarf_dtprel): Make static and unused.
2170         (gen_inlined_tls_plt): Remove unused variable MEM.
2171         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to frv_output_dwarf_dtprel.
2172         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
2173         * config/i386/i386-protos.h (i386_output_dwarf_dtprel): Delete.
2174         * config/i386/i386.c (i386_output_dwarf_dtprel): Make static and
2175         unused.
2176         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to i386_output_dwarf_dtprel.
2177         * config/i386/i386.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
2178         * config/ia64/ia64-protos.h (ia64_output_dwarf_dtprel): Delete.
2179         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Make static and
2180         unused.
2181         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to ia64_output_dwarf_dtprel.
2182         * config/ia64/ia64.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
2183         * config/rs6000/rs6000-protos.h (rs6000_output_dwarf_dtprel): Delete.
2184         * config/rs6000/rs6000.c (rs6000_output_dwarf_dtprel): Make static and
2185         unused.
2186         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to rs6000_output_dwarf_dtprel
2187         * config/rs6000/rs6000.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
2188         * config/s390/s390-protos.h (s390_output_dwarf_dtprel): Delete.
2189         * config/s390/s390.c (s390_output_dwarf_dtprel): Make static and
2190         unused.
2191         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to s390_output_dwarf_dtprel.
2192         * config/s390/s390.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
2193         * config/sparc/sol2-gas.h (TARGET_SUN_TLS): Define to 0.
2194         (TARGET_GNU_TLS): Define to 1.
2195         * config/sparc/sparc-protos.h (sparc_output_dwarf_dtprel): Delete.
2196         * config/sparc/sparc.c (sparc_output_dwarf_dtprel): Make static and
2197         unused.
2198         (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define to sparc_output_dwarf_dtprel
2199         if TARGET_GNU_TLS only.
2200         * config/sparc/sparc.h (ASM_OUTPUT_DWARF_DTPREL): Delete.
2202         * config.gcc (sparc64-*-solaris2*): Include tm-dwarf2.h last.
2203         (sparc-*-solaris2*): Likewise on Solaris 7 and up.
2205 2005-06-07  Dale Johannesen  <dalej@apple.com>
2207         * config/i386/i386.md (movqi_1):  Fix case where source
2208         is memory and destination EDI.
2210 2005-06-08  Kazu Hirata  <kazu@codesourcery.com>
2212         * config/c4x/c4x.h (PREDICATE_CODES): Remove mem_operand.
2214 2005-06-07  Eric Christopher  <echristo@redhat.com>
2216         * system.h: Poison EXTRA_CC_MODES.
2217         * config/frv/frv.h (SELECT_CC_MODE): Rewrite comment.
2218         * config/ia64/ia64.h (SELECT_CC_MODE): Ditto.
2219         * doc/md.texi (Jump Patterns): Replace reference to
2220         EXTRA_CC_MODES with machine-modes.def.
2221         * doc/rtl.texi (Machine Modes): Ditto.
2223 2005-06-07  Richard Henderson  <rth@redhat.com>
2225         * varasm.c (initialize_cold_section_name): Fix alloca buffer overflow.
2226         (assemble_start_function): Fix strcmp confusion.
2228 2005-06-07  Uros Bizjak  <uros@kss-loka.si>
2230         * config/i386/i386.h (enum ix86_entity): New.
2231         (enum ix86_stack_slot): New.
2232         (OPTIMIZE_MODE_SWITCHING): Redefine to use
2233         ix86_optimize_mode_switching[] array.
2234         (NUM_MODES_FOR_MODE_SWITCHING): Redefine for 4 entities.
2235         (MODE_NEEDED): Use ix86_mode_needed() function.
2236         (EMIT_MODE_SET): Redefine for changed emit_i387_cw_initialization ()
2237         function.
2238         (struct machine_function): Use optimize_mode_switching[] array.
2240         * config/i386/i386.c (MAX_386_STACK_LOCALS): Remove.
2241         (ix86_mode_needed): New function.
2242         (emit_i387_cw_initialization): Cleanup. Use mode to calculate
2243         correct stack positions for stored control words.
2244         (assign_386_stack_local): Use enum ix86_stack_slot. Change assert.
2245         (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR]: Change constant to
2246         SLOT_TEMP.
2247         [IX86_BUILTIN_STMXCSR]: Same.
2249         * config/i386/i386-protos.h (assign_stack_local): Change prototype.
2250         (emit_i387_cw_initialization): Change prototype.
2251         (ix86_mode_needed): New prototype.
2253         * config/i386/i386.md (i387_cw attribute): Change order of elements.
2254         (truncdfsf2, truncxfsf2, truncxfdf2, fix_trunc<mode>_fisttp_i387_1)
2255         (*fix_trunc<mode>_i387_1, lrint<mode>2, *fist<mode>2_floor_1)
2256         (*fist<mode>2_ceil_1): Change constant in call to
2257         assign_386_stack_local to SLOT_TEMP.
2258         (*fix_trunc<mode>_i387_1): Change constant in call to
2259         assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_TRUNC.
2260         Use new ix86_optimize_mode_switching[] array.
2261         (frndintxf2_floor, *fist<mode>2_floor_1): Change constants in call to
2262         assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_FLOOR.
2263         Use new ix86_optimize_mode_switching[] array.
2264         (frndintxf2_ceil, *fist<mode>2_ceil_1):  Change constants in call to
2265         assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_CEIL.
2266         Use new ix86_optimize_mode_switching[] array.
2267         (frndintxf2_trunc): Change constants in call to
2268         assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_TRUNC.
2269         Use new ix86_optimize_mode_switching[] array.
2270         (frndintxf2_mask_pm): Change constants in call to
2271         assign_386_stack_local to SLOT_CW_STORED and SLOT_CW_MASK_PM.
2272         Use new ix86_optimize_mode_switching[] array.
2274         (define_peephole2): Change constant from 17 to FLAGS_REG;
2276 2005-06-07  Richard Henderson  <rth@redhat.com>
2278         PR rtl-opt/21528
2279         * rtlanal.c (reg_overlap_mentioned_p) <MEM>: Handle 'E' formats.
2281 2005-06-07  Dale Johannesen  <dalej@apple.com>
2283         * tree-nested.c (finalize_nesting_tree_1):  Disable
2284         warn_padded around layout_type call.
2286 2005-06-08  Zdenek Dvorak  <dvorakz@suse.cz>
2288         * tree-ssa-loop-ivopts.c (rewrite_use_outer): Unshare the expression
2289         before emiting it.
2291 2005-06-07  Eric Christopher  <echristo@redhat.com>
2293         * config/mips/predicates.md: Revert previous patch.
2295 2005-06-07  Jakub Jelinek  <jakub@redhat.com>
2297         PR middle-end/21850
2298         * tree.c (get_unwidened): Stop at NOP_EXPR/CONVERT_EXPR that convert
2299         from vector types.
2301 2005-06-07  Diego Novillo  <dnovillo@redhat.com>
2303         * tree-ssa-threadupdate.c (struct thread_stats_d): Declare.
2304         (thread_stats): New local variable.
2305         (redirect_edges): Increment count of threaded edges.
2306         (thread_through_all_blocks): Initialize thread_stats.
2307         Display number of threaded jumps if TDF_STATS is enabled.
2309 2005-06-07  Kazu Hirata  <kazu@codesourcery.com>
2311         * sbitmap.h (sbitmap_iter_init): Consistently treat bit_num as
2312         the current bit index with no modulo.
2314 2005-06-07  Sebastian Pop  <pop@cri.ensmp.fr>
2316         PR 18403 and meta PR 21861.
2317         * Makefile.in (tree-chrec.o): Depend on CFGLOOP_H and TREE_FLOW_H.
2318         * tree-chrec.c: Include cfgloop.h and tree-flow.h.
2319         (evolution_function_is_invariant_rec_p,
2320         evolution_function_is_invariant_p): New.
2321         (chrec_convert): Use an extra parameter AT_STMT for refining the
2322         information that is passed down to convert_step.  Integrate the 
2323         code that was in count_ev_in_wider_type.
2324         * tree-chrec.h (count_ev_in_wider_type): Removed.
2325         (chrec_convert): Modify its declaration.
2326         (evolution_function_is_invariant_p): Declared.
2327         (evolution_function_is_affine_p): Use evolution_function_is_invariant_p.
2328         * tree-flow.h (can_count_iv_in_wider_type): Renamed convert_step.
2329         (scev_probably_wraps_p): Declared.
2330         * tree-scalar-evolution.c (count_ev_in_wider_type): Removed.
2331         (follow_ssa_edge_in_rhs, interpret_rhs_modify_expr):
2332         Use an extra parameter AT_STMT for refining the information that is
2333         passed down to convert_step.
2334         (follow_ssa_edge_inner_loop_phi, follow_ssa_edge,
2335         analyze_scalar_evolution_1): Initialize AT_STMT with the current
2336         analyzed statement.
2337         (instantiate_parameters_1): Don't know yet how to initialize AT_STMT.
2338         * tree-ssa-loop-ivopts.c (idx_find_step): Update the use of 
2339         can_count_iv_in_wider_type to use convert_step.
2340         * tree-ssa-loop-niter.c (can_count_iv_in_wider_type_bound): Move 
2341         code that is independent of the loop over the known iteration
2342         bounds to convert_step_widening, the rest is moved to
2343         proved_non_wrapping_p.
2344         (scev_probably_wraps_p): New.
2345         (can_count_iv_in_wider_type): Renamed convert_step.
2346         * tree-vrp.c (adjust_range_with_scev): Take an extra AT_STMT parameter.
2347         Use scev_probably_wraps_p for computing init_is_max.
2348         (vrp_visit_assignment): Pass the current analyzed statement to 
2349         adjust_range_with_scev.
2350         (execute_vrp): Call estimate_numbers_of_iterations for refining the 
2351         information provided by scev analyzer.
2353 2005-06-07  Eric Christopher  <echristo@redhat.com>
2355         * config/mips/predicates.md (sleu_operand): Use
2356         IN_RANGE to specify range of operand.
2358 2005-06-07  Steven Bosscher  <stevenb@suse.de>
2360         PR tree-optimization/21847
2361         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): With
2362         -fnon-call-exceptions, also mark statements inherently
2363         necessary if they may throw.
2365 2005-06-07  Adrian Straetling  <straetling@de.ibm.com>
2367         * config/s390/s390.md: ("UNSPECV_MB", "UNSPECV_CAS"): New constants.
2368         ("type"): Add "sem" to 'type' attribute.
2369         ("memory_barrier", "*memory_barrier", "sync_compare_and_swapdi",
2370         "sync_compare_and_swapsi", "sync_compare_and_swap_ccdi",
2371         "sync_compare_and_swap_ccsi", "*sync_compare_and_swap_ccdi",
2372         "*sync_compare_and_swap_ccsi"): New patterns.
2373         * config/s390/2064.md: ("z_sem"): New insn_reservation.
2374         * config/s390/2084.md: ("x_sem"): New insn_reservation.
2375         * config/s390/s390.c: (s390_compare_emitted): New global variable.
2376         (s390_emit_compare): Do not emit comparison again after cas.
2377         * config/s390/s390.h (s390_compare_emitted): Declare.
2379 2005-06-07  Kazu Hirata  <kazu@codesourcery.com>
2381         * sbitmap.h (sbitmap_iterator, sbitmap_iter_init,
2382         sbitmap_iter_cond, sbitmap_iter_next): New.
2383         * bt-load.c, cfganal.c, combine.c, ddg.c, flow.c,
2384         modulo-sched.c, sbitmap.c, sched-rgn.c, tree-into-ssa.c,
2385         tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Update
2386         uses of EXECUTE_IF_SET_IN_SBITMAP to the new style.
2388 2005-06-07  Zdenek Dvorak  <dvorakz@suse.cz>
2390         * tree-ssa-address.c: New file.
2391         * Makefile.in (tree-ssa-address.o): Add.
2392         * expr.c (expand_expr_real_1): Do not handle REF_ORIGINAL on
2393         INDIRECT_REFs.  Handle TARGET_MEM_REFs.
2394         * tree-eh.c (tree_could_trap_p): Handle TARGET_MEM_REFs.
2395         * tree-flow.h (struct mem_address): New.
2396         (struct affine_tree_combination): Moved from tree-ssa-loop-ivopts.c.
2397         (create_mem_ref, addr_for_mem_ref, get_address_description,
2398         maybe_fold_tmr, multiplier_allowed_in_address_p,
2399         multiply_by_cost):  Declare.
2400         * tree-mudflap.c (mf_xform_derefs_1): Handle TARGET_MEM_REFs.
2401         * tree-pretty-print.c (dump_generic_node): Ditto.
2402         * tree-ssa-loop-im.c (for_each_index): Ditto.
2403         * tree-ssa-loop-ivopts.c (may_be_unaligned_p,
2404         find_interesting_uses_address): Ditto.
2405         (rewrite_address_base, build_addr_strip_iref): Removed.
2406         (struct affine_tree_combination): Moved to tree-flow.h.
2407         (get_ref_tag, copy_ref_info): New functions.
2408         (rewrite_use_address): Produce TARGET_MEM_REFs.
2409         (tree_ssa_iv_optimize): Do not call update_ssa
2410         and rewrite_into_loop_closed_ssa.
2411         (tree_to_aff_combination): Use build_fold_addr_expr instead of
2412         build_addr_strip_iref.
2413         (unshare_aff_combination): New function.
2414         (fold_affine_sum): Removed.
2415         (get_computation_at): Use get_computation_aff.  Unshare the result.
2416         (get_computation_aff, multiplier_allowed_in_address_p): New function.
2417         (multiply_by_cost): Exported.
2418         (get_address_cost): Use multiplier_allowed_in_address_p.
2419         * tree-ssa-operands.c (get_tmr_operands): New function.
2420         (get_expr_operands): Handle TARGET_MEM_REFs.
2421         * tree.c (copy_node_stat): Copy annotations for TARGET_MEM_REFs.
2422         (build): Handle 7 arguments.
2423         (build7_stat): New function.
2424         * tree.def (TARGET_MEM_DEF): New.
2425         * tree.h (REF_ORIGINAL): Removed.
2426         (TMR_SYMBOL, TMR_BASE, TMR_INDEX, TMR_STEP, TMR_OFFSET, TMR_ORIGINAL,
2427         TMR_TAG, build7): New macros.
2428         (build7_stat, tree_mem_ref_addr, copy_mem_ref_info): Declare.
2429         * tree-ssa-ccp.c (fold_stmt_r): Call maybe_fold_tmr.
2430         * doc/c-tree.texi: Document TARGET_MEM_REF.
2431         * doc/tree-ssa.texi: Add TARGET_MEM_REF to gimple grammar.
2433 2005-06-07  Jakub Jelinek  <jakub@redhat.com>
2435         PR debug/21946
2436         * dwarf2out.c (add_loc_descr_op_piece): New function.
2437         (multiple_reg_loc_descriptor, concat_loc_descriptor,
2438         loc_descriptor): Use it.
2439         * var-tracking.c: Include regs.h and expr.h.
2440         (emit_note_insn_var_location): Skip over pieces where offset
2441         is smaller than previous offset plus previous piece mode size.
2442         Optimize adjacent hard registers or memory locations.
2443         * Makefile.in (var-tracking.o): Depend on $(REGS_H) and $(EXPR_H).
2445 2005-06-07  Richard Guenther  <rguenth@gcc.gnu.org>
2447         * c-typeck.c (c_finish_if_stmt): Use void_type_node as type
2448         for COND_EXPR.
2449         * gimplify.c (gimplify_cond_expr): No need to fix up the
2450         type of COND_EXPRs.
2452 2005-06-07  Richard Guenther  <rguenth@gcc.gnu.org>
2454         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Fix
2455         comments.
2457 2005-06-07  Geoffrey Keating  <geoffk@apple.com>
2459         * config/rs6000/host-darwin.c (segv_handler): Widen the possible
2460         'stwux' instructions that are considered to be stack decrements.
2462         * rtlanal.c (subreg_offset_representable_p): Handle objects
2463         with holes.
2465 2005-06-06  Uros Bizjak  <uros@kss-loka.si>
2467         * mode-switching.c (optimize_mode_switching): Fix n_exprs parameter
2468         in call to pre_edge_lcm.
2470 2005-06-06  Kaz Kojima  <kkojima@gcc.gnu.org>
2472         * config/sh/linux-unwind.h (SH_DWARF_FRAME_XD0): Remove for SH5.
2473         (SH_DWARF_FRAME_PR, SH_DWARF_FRAME_GBR, SH_DWARF_FRAME_MACL)
2474         (SH_DWARF_FRAME_MACH, SH_DWARF_FRAME_PC, SH_DWARF_FRAME_FPUL):
2475         Likewise.
2476         (SH_DWARF_FRAME_FP0, SH_DWARF_FRAME_FPSCR): Define to the correct
2477         dwarf register number for SHmedia.
2478         (shmedia_fallback_frame_state): New.
2479         (MD_FALLBACK_FRAME_STATE_FOR): Define to it for SH5.
2481         * config/sh/linux.h (FUNCTION_PROFILER): Provide SHMEDIA version.
2483 2005-06-06  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2485         * c-lex.c (lex_string): Use XOBFINISH.
2486         * collect2.c (extract_string, dump_file): Likewise.
2487         * dbxout.c (dbxout_finish_complex_stabs): Likewise.
2488         * gcc.c (init_spec, build_search_list, convert_filename, 
2489         set_collect_gcc_options, do_spec_2, do_spec_1, main): Likewise.
2490         * genpreds.c (write_predicate_subfunction): Likewise.
2491         * genflags.c (main): Likewise.
2492         * read-rtl.c (mode_attr_index, apply_macro_to_string, 
2493         join_c_conditions, read_quoted_string, read_braced_string, 
2494         read_rtx_1): Likewise.
2495         * stringpool.c (ggc_alloc_string): Likewise.
2496         * tlink.c (obstack_fgets, recompile_files): Likewise.
2498 2005-06-06  Jakub Jelinek  <jakub@redhat.com>
2500         * intl.h (G_): New macro.
2501         * rtl-error.c (error_for_asm, warning_for_asm): Use gmsgid
2502         instead of msgid for argument name.
2503         * tree-ssa.c (warn_uninit): Likewise.
2504         * c-parser.c (c_parser_error): Likewise.
2505         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
2506         * config/darwin-c.c (BAD): Likewise.
2507         * config/c4x/c4x-c.c (BAD): Likewise.
2508         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
2509         * c-errors.c (pedwarn_c99, pedwarn_c90): Likewise.
2510         * c-common.c (c_parse_error): Likewise.
2511         * diagnostic.c (diagnostic_set_info, verbatim, inform, warning,
2512         warning0, pedwarn, error, sorry, fatal_error, internal_error):
2513         Likewise.
2514         (fnotice): Use cmsgid instead of msgid for argument name.
2515         * gcov.c (fnotice): Likewise.
2516         * protoize.c (notice): Likewise.
2517         * final.c (output_operand_lossage): Likewise.
2518         * gcc.c (fatal, notice): Likewise.
2519         (error): Use gmsgid instead of msgid for argument name.
2520         * collect2.c (notice, fatal_perror, fatal): Use cmsgid instead
2521         of msgid for argument name.
2522         (error): Use gmsgid instead of msgid for argument name.
2523         * c-decl.c (locate_old_decl, implicit_decl_warning): Use G_()
2524         instead of N_().
2525         * c-typeck.c (readonly_error, convert_for_assignment): Likewise.
2526         * tree-inline.c (inline_forbidden_p_1): Likewise.
2527         * ABOUT-GCC-NLS: Require gettext 0.14.5 or later.  Mention the new
2528         conventions for marking translations.
2529         * doc/install.texi: Mention gettext 0.14.5 or later requirement.
2531         * tree-chrec.c (reset_evolution_in_loop): Use build3 instead of
2532         build2.
2534         * fold-const.c (operand_equal_p): Don't return 1, if element
2535         chains for 2 VECTOR_CSTs are not the same length.
2537         PR regression/21897
2538         * fold-const.c (fold_ternary) <case BIT_FIELD_REF>: Don't crash if
2539         not all VECTOR_CST elements are given.
2541         * combine.c (try_combine): Use hard_regno_nregs array instead of
2542         HARD_REGNO_NREGS macro.
2543         * config/rs6000/rs6000.c (rs6000_split_multireg_move,
2544         rs6000_register_move_cost, rs6000_memory_move_cost): Likewise.
2545         * config/ia64/ia64.c (mark_reg_gr_used_mask): Likewise.
2547 2005-06-06  Daniel Berlin  <dberlin@dberlin.org>
2549         * tree-ssa-reassoc.o: New.
2550         (OBJS-common): Add tree-ssa-reassoc.o
2551         * timevar.def: Add TV_TREE_REASSOC
2552         * tree-optimize.c (pass_reassoc): Add call.
2553         * tree-pass.h (pass_reassoc): Add.
2554         * tree-ssa-reassoc.c: New file.
2556 2005-06-06  Eric Christopher  <echristo@redhat.com>
2558         target/21927
2559         * expr.c (do_store_flag): Remove check for non-negative BRANCH_COST.
2561 2005-06-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2563         * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Guard with
2564         HAVE_GAS_MAX_SKIP_P2ALIGN.
2565         (HAVE_AS_DWARF2_DEBUG_LINE): Remove.
2567 2005-06-06  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2569         * Makefile.in (mips-tfile.o): Add $(srcdir)/../include prefix to
2570         getopt.h dependency.
2571         (mips-tdump.o): Likewise.
2573 2005-06-06  Jan Hubicka  <jh@suse.cz>
2575         * predict.c (tree_predict_edge): Don't drop useless predictions;
2576         check that it is not called too late in the game.
2577         (gate_estimate_probability): New gate.
2578         (pass_profile): Gate.
2579         * tree-mudflap.c (mf_build_check_statement_for): Do not drop
2580         predictions; update CFG instead.
2581         * cfgrtl.c (rtl_verify_flow_info): Check that predcitions are consumed.
2583 2005-06-06  Jie Zhang  <jie.zhang@analog.com>
2585         * config.gcc (bfin*-uclinux*): New.
2586         * config/bfin/uclinux.h: New file.
2588 2005-06-06  Ben Elliston  <bje@au.ibm.com>
2590         * doc/md.texi (Insn Splitting): Fix some wording.
2592 2005-06-05  David Edelsohn  <edelsohn@gnu.org>
2594         * config/rs6000/rs6000.c (rs6000_emit_swdivsf): New function.
2595         (rs6000_emit_swdivdf): New function.
2596         * config/rs6000/rs6000.md (fres): New pattern.
2597         (divsf3): Add approximation through rs6000_emit_swdivsf.
2598         (fred): New pattern.
2599         (divdf3): Add approximation through rs6000_emit_swdivdf.
2600         * config/rs6000/rs6000-protos.h (rs6000_emit_swdivsf): Declare.
2601         (rs6000_emit_swdivdf): Declare.
2602         * config/rs6000/rs6000.opt (mswdiv): New option.
2603         * doc/invoke.texi (RS/6000 and PowerPC Options): Document mswdiv.
2605 2005-06-05  Zdenek Dvorak  <dvorakz@suse.cz>
2607         PR tree-optimization/21846
2608         * tree-cfg.c (replace_uses_by): Update information stored at loops.
2609         * tree-flow.h (substitute_in_loop_info): Declare.
2610         * tree-scalar-evolution.c (initialize_scalar_evolutions_analyzer):
2611         Ensure that chrec_dont_know and chrec_known have a type.
2612         * tree-ssa-loop-niter.c (substitute_in_loop_info): New function.
2614 2005-06-05  Steven Bosscher  <stevenb@suse.de>
2616         * config/i386/i386.c (x86_use_loop): Remove.
2617         * config/i386/i386.h (x86_use_loop): Remove extern decl.
2618         (TARGET_USE_LOOP): Remove.
2619         * config/i386/i386.md (doloop_end, doloop_end_internal): Remove.
2620         Also remove related define_splits.
2622 2005-06-05  Dorit Nuzman  <dorit@il.ibm.com>
2624         * tree-flow.h (stmt_ann_d): Move aux to ...
2625         (tree_ann_common_d): ... here.
2626         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
2627         move_computations_stmt, schedule_sm): Update references to
2628         aux.
2629         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
2630         * tree-vect-transform.c (vect_create_index_for_vector_ref): Update
2631         call to set_stmt_info.
2632         (vect_transform_loop): Likewise.
2633         * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info):
2634         Likewise.
2636         * tree-vect-analyze.c (vect_analyze_scalar_cycles): Made void instead of
2637         bool.
2638         (vect_mark_relevant): Takes two additional arguments - live_p and
2639         relevant_p. Set RELEVANT_P and LIVE_P according to these arguments.
2640         (vect_stmt_relevant_p): Differentiate between a live stmt and a
2641         relevant stmt. Return two values = live_p and relevant_p.
2642         (vect_mark_stmts_to_be_vectorized): Call vect_mark_relevant and
2643         vect_stmt_relevant_p with additional arguments. Phis are no longer
2644         put into the worklist (analyzed seperately in analyze_scalar_cycles).
2645         (vect_determine_vectorization_factor): Also check for LIVE_P, because a
2646         stmt that is marked as irrelevant and live, cause it's only used out
2647         side the loop, may need to be vectorized (e.g. reduction).
2648         (vect_analyze_operations): Examine phis. Call
2649         vectorizable_live_operation for for LIVE_P stmts. Check if
2650         need_to_vectorize.
2651         (vect_analyze_scalar_cycles): Update documentation. Don't fail
2652         vectorization - just classify the scalar cycles created by the loop
2653         phis. Call vect_is_simple_reduction.
2654         (vect_analyze_loop): Call to analyze_scalar_cycles moved earlier.
2655         * tree-vect-transform.c (vect_create_index_for_vector_ref): Update
2656         call to set_stmt_info.
2657         (vect_get_vec_def_for_operand): Code reorganized - the code that
2658         classifies the type of use was factored out to vect_is_simple_use.
2659         (vectorizable_store, vect_is_simple_cond): Call vect_is_simple_use with
2660         additional arguments.
2661         (vectorizable_assignment): Likewise. Also make sure the stmt is relevant
2662         and computes a loop_vec_def.
2663         (vectorizable_operation, vectorizable_load, vectorizable_condition):
2664         Likewise.
2665         (vectorizable_live_operation): New.
2666         (vect_transform_stmt): Handle LIVE_P stmts.
2667         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new fields
2668         STMT_VINFO_LIVE_P and STMT_VINFO_DEF_TYPE.
2669         (new_loop_vec_info, destroy_loop_vec_info): Also handle phis.
2670         (vect_is_simple_use): Determine the type of the def and return it
2671         in a new function argument. Consider vect_reduction_def and
2672         vect_induction_def, but for now these are not supported.
2673         (vect_is_simple_reduction): New. Empty for now.
2674         * tree-vectorizer.h (vect_def_type): New enum type.
2675         (_stmt_vec_info): Added new fields - live and _stmt_vec_info.
2676         (STMT_VINFO_LIVE_P, STMT_VINFO_DEF_TYPE): New accessor macros.
2677         (vect_is_simple_use): New arguments added to function declaration.
2678         (vect_is_simple_reduction): New function declaration.
2679         (vectorizable_live_operation): New function declaration.
2681         * tree-vect-analyze.c (vect_can_advance_ivs_p): Add debug printout.
2682         (vect_can_advance_ivs_p): Likewise.
2683         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Likewise.
2685 2005-06-05  Eric Christopher  <echristo@redhat.com>
2687         * config/mips/mips.c (mips_rtx_costs): Remove unused variable.
2689 2005-06-05  Hans-Peter Nilsson  <hp@bitrange.com>
2691         PR target/21914
2692         * config/mmix/mmix.md ("*movdicc_real_foldable")
2693         ("*movdfcc_real_foldable", "*bCC_foldable")
2694         ("*bCC_inverted_foldable"): Specify DImode for register being
2695         compared.
2697 2005-06-04  Roger Sayle  <roger@eyesopen.com>
2699         * reg-stack.c (struct block_info_def): Correct grammar typo.
2700         (compensate_edge): Clean-up.  Perform as little work as possible
2701         when src and dest stacks match.  Avoid modifying block_info.
2702         Reorder and simplify assertion checks.  Avoid unnecessary copying
2703         of regstack structure.
2704         (convert_regs_1): Set the done flag here...
2705         (convert_regs_2): ... instead of here.
2707 2005-06-04  Dale Johannesen  <dalej@apple.com>
2709         * config/rs6000/rs6000.c (no_global_regs_above): New.
2710         (rs6000_emit_prologue):  Use it; cosmetic formatting fixes.
2711         (rs6000_emit_epilogue):  Use it; cosmetic formatting fixes.
2712         (rs6000_conditional_register_usage): Don't put Darwin PIC
2713         register in global_regs.
2714         (rs6000_stack_info):  Don't set lr_save_p just because Darwin 
2715         PIC reg used.
2716         (rs6000_emit_prologue):  Save LR in R0 around Darwin PIC setup,
2717         if not done by lr_save_p.
2718         * config/rs6000/rs6000.md (insnv1_internal1):  Back out 05-18 patch.
2719         Use rotate instead of ashift.
2720         (call_indirect_nonlocal_sysv):  Prefer CTR to LR.
2721         (call_value_indirect_nonlocal_sysv):  Ditto.
2723 2005-06-04  Jan Hubicka  <jh@suse.cz>
2725         * cgraphunit.c (cgraph_reset_node): Break out from ...
2726         (cgraph_finalize_function): ... here.
2727         (cgraph_finalize_compilation_unit): Reset nodes where backend
2728         removed the body.
2730 2005-06-04  Richard Henderson  <rth@redhat.com>
2732         PR target/21888
2733         * config/alpha/alpha.c (alpha_align_insns): Don't insert nops
2734         until we've passed initial ldgp.
2736 2005-06-04  Daniel Berlin  <dberlin@dberlin.org>
2738         * cfgexpand.c (expand_one_var): Use DECL_HAS_VALUE_EXPR_P.
2739         * dwarf2out.c (loc_descriptor_from_tree_1): Ditto.
2740         * expr.c (expand_var): Ditto.   
2741         * function.c (gimplify_parameters): Use SET_DECL_VALUE_EXPR too.
2742         * gimplify.c (gimplify_decl_expr): Ditto.
2743         (gimplify_expr): Ditto.
2744         * tree-mudflap.c (mf_decl_eligible_p): Use DECL_HAS_VALUE_EXPR_P.
2745         * tree.c (value_expr_for_decl): New.
2746         (print_value_expr_statistics): New.
2747         (init_ttree): Init value_expr_for_decl.
2748         (decl_value_expr_lookup): New.
2749         (decl_value_expr_insert): Ditto.
2750         (copy_node_stat): Copy DECL_VALUE_EXPR status.
2751         * tree.h (DECL_VALUE_EXPR): Use hashtable.
2752         (SET_DECL_VALUE_EXPR): New.
2753         (DECL_HAS_VALUE_EXPR_P): New.
2755 2005-06-04  Steven Bosscher  <stevenb@suse.de>
2757         * lcm.c: Move all mode-switching related functions from here...
2758         * mode-switching.c: ...to this new file.
2759         * doc/passes.texi: Update accordingly.
2761         * basic-block.h (label_value_list): Remove extern decl.
2762         * cfgrtl.c (label_value_list): Remove.
2763         (can_delete_label_p): Don't look at it.
2764         * cfgcleanup.c (cleanup_cfg): Don't free it.
2766         * common.opt: Don't refer to non-existing flag_alias_check.
2768 2005-06-04  David Edelsohn  <edelsohn@gnu.org>
2770         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power5.
2772 2005-06-04  Kazu Hirata  <kazu@codesourcery.com>
2774         * function.c (prologue, epilogue, sibcall_epilogue): Change
2775         their types to VEC(int,heap)*.
2776         (free_after_compilation): Free the three vectors above.
2777         (init_function_for_compilation, record_insns, contains,
2778         prologue_epilogue_contains, sibcall_epilogue_contains,
2779         reposition_prologue_and_epilogue_notes): Use VEC instead of
2780         VARRAY.  (init_function_once): Remove.
2781         * function.h: Remove the prototype for init_function_once.
2782         * toplev.c (backend_init): Don't call init_function_once.
2784 2005-06-04  Jan Hubicka  <jh@suse.cz>
2786         * predict.c (tree_predict_edge): Do not predict entry edge and
2787         single succestor edge.
2789 2005-06-04  Joseph S. Myers  <joseph@codesourcery.com>
2791         PR c/21873
2792         * c-typeck.c (push_init_level): Don't pop levels without braces if
2793         implicit == 1.
2795 2005-06-03  Sebastian Pop  <pop@cri.ensmp.fr>
2796         
2797         * tree-data-ref.c (compute_self_dependence): New function.
2798         (compute_all_dependences): Use it.
2800 2005-06-03  Geoffrey Keating  <geoffk@apple.com>
2802         * c-parser.c (c_parser_parms_declarator): Don't use chainon().
2803         (c_parser_expr_list): Don't use chainon().
2805         * config/darwin.h (LINK_SPEC): Pass -syslibroot to linker
2806         when -isysroot passed.
2808 2005-06-03  Joseph S. Myers  <joseph@codesourcery.com>
2810         PR c/21879
2811         * c-decl.c (start_function): Restore label_context_stack_se and
2812         label_context_stack_vm  if returning with an error.
2814 2005-06-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2816         * configure.ac: Check declaration for asprintf, needed by
2817         libiberty.h. 
2818         * configure: Regenerate.
2819         * config.in: Likewise.
2821 2005-06-03  Diego Novillo  <dnovillo@redhat.com>
2823         * tree-ssa-dom.c (record_edge_info): Use last_basic_block to
2824         allocate info array.
2825         * tree-vrp.c (extract_range_from_unary_expr): Set resulting
2826         range to varying in cast expressions that change
2827         TYPE_PRECISION.
2829 2005-06-03  Eric Christopher  <echristo@redhat.com>
2831         * config/mips/mips.opt: Add RejectNegative to divide-breaks and
2832         divide-traps.
2834 2005-06-03  Jan Hubicka  <jh@suse.cz>
2836         * basic-block.h (remove_predictions_associated_with_edge): Declare.
2837         * cfg.c (remove_edge): Use it.
2838         * predict.c (remove_predictions_associated_with_edge): New function.
2840 2005-06-03  Pat Haugen  <pthaugen@us.ibm.com>
2842         * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
2843         Clear call_realy_used_regs[r2] when ABI_AIX.
2845 2005-06-03  Richard Guenther  <rguenth@gcc.gnu.org>
2847         PR middle-end/21858
2848         * fold-const.c (fold_binary): Fix type mismatches in folding
2849         of comparisons.
2851 2005-06-03  Kazu Hirata  <kazu@codesourcery.com>
2853         * cgraph.c, cgraphunit.c, config/mips/mips.c: Fix comment
2854         typos.
2856 2005-06-03  Joseph S. Myers  <joseph@codesourcery.com>
2858         * collect2.c (maybe_unlink): Use unlink_if_ordinary.
2860 2005-06-02  Bernd Schmidt  <bernd.schmidt@analog.com>
2862         * reload1.c (reload): Revert my previous patch.
2864 2005-06-03  Nick Clifton  <nickc@redhat.com>
2866         * config/arm/semi.h (ASM_SPEC): Fix typo passing -mfloat-abi to
2867         assembler.
2869 2005-06-03  Kazu Hirata  <kazu@codesourcery.com>
2871         PR tree-optimization/21849
2872         * tree-ssa-copy.c (dump_copy_of): Call sbitmap_zero.
2874 2005-06-02  Richard Henderson  <rth@redhat.com>
2876         * Makefile.in (tree-vect-generic.o): New.
2877         (OBJS-common, GTFILES, s-gtype): Add it.
2878         * tree-complex.c (build_replicated_const, vector_inner_type,
2879         vector_last_type, vector_last_nunits, build_word_mode_vector_type,
2880         elem_op_func, tree_vec_extract, do_unop, do_binop, do_plus_minus,
2881         do_negate, expand_vector_piecewise, expand_vector_parallel, 
2882         expand_vector_addition, expand_vector_operation, 
2883         type_for_widest_vector_mode, expand_vector_operations_1, 
2884         gate_expand_vector_operations, expand_vector_operations, 
2885         pass_lower_vector_ssa): Move to tree-vect-generic.c.
2886         (tree_lower_complex): Rename from tree_lower_operations.
2887         (pass_lower_complex): Rename from pass_pre_expand.
2888         * tree-vect-generic.c: New file.
2889         * tree-pass.h (pass_lower_complex): Rename from pass_pre_expand.
2890         (pass_lower_vector): New.
2891         * tree-optimize.c (init_tree_optimization_passes): Update to match.
2893 2005-06-02  Richard Henderson  <rth@redhat.com>
2895         * modulo-sched.c (doloop_register_get): Protect against 
2896         doloop_end not defined.
2898 2005-06-02  Kazu Hirata  <kazu@codesourcery.com>
2900         * config/sh/sh.c (general_movsrc_operand,
2901         general_movdst_operand, arith_reg_operand, arith_reg_dest,
2902         logical_reg_operand, int_gpr_dest, fp_arith_reg_operand,
2903         fp_arith_reg_dest, arith_operand, arith_reg_or_0_operand,
2904         xor_operand, cmp_operand, logical_operand, and_operand,
2905         fpscr_operand, fpul_operand, symbol_ref_operand,
2906         commutative_float_operator, noncommutative_float_operator,
2907         unary_float_operator, binary_float_operator,
2908         binary_logical_operator, equality_comparison_operator,
2909         greater_comparison_operator, less_comparison_operator,
2910         shift_operator, logical_operator, target_reg_operand,
2911         target_operand, mextr_bit_offset, extend_reg_operand,
2912         trunc_hi_operand, extend_reg_or_0_operand, minuend_operand,
2913         general_extend_operand, ua_address_operand,
2914         cache_address_operand, inqhi_operand, sh_rep_vec, sh_1el_vec,
2915         sh_const_vec, ua_offset, sh_register_operand, cmpsi_operand,
2916         shift_count_reg_operand, shift_count_operand,
2917         unaligned_load_operand): Move to ...
2918         * config/sh/predicates.md: ... here.
2919         * config/sh/sh.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
2920         Remove.
2922 2005-06-02  Andrew Pinski  <pinskia@physics.uc.edu>
2924         * tree.c (build_common_builtin_nodes): Fix the return type on
2925         __builtin_memcmp.
2927 2005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>
2929         * tree-ssa-loop-ivopts.c (build_addr_strip_iref): Remove.
2930         (find_interesting_uses_address): Use build_fold_addr_expr instead.
2931         (strip_offset_1): Likewise.
2932         (tree_to_aff_combination): Likewise.
2934 2005-06-02  DJ Delorie  <dj@redhat.com>
2936         * convert.c (convert_to_pointer): Avoid recursion if no conversion
2937         is needed.
2939 2005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>
2941         * tree-chrec.c (chrec_fold_plus_1): Ensure we build
2942         binary operations with the correct types.
2943         * tree-ssa-loo-ivopts.c (idx_find_step): Use sizetype
2944         for all computation.
2946 2005-06-02  Kazu Hirata  <kazu@codesourcery.com>
2948         * tree-vrp.c, config/arm/arm.md, config/arm/arm1020e.md,
2949         config/rs6000/rs6000.md: Fix comment typos.  Follow splling
2950         conventions.
2951         * doc/install.texi: Fix a typo.
2953 2005-06-02  Jan Hubicka  <jh@suse.cz>
2955         * cgraphunit.c (cgraph_function_and_variable_visibility): Extern
2956         inline functions are not local.
2958 2005-06-02  Kazu Hirata  <kazu@codesourcery.com>
2960         * gimplify.c (gimplify_ctx): Change the type of case_labels to
2961         VEC from VARRAY.
2962         (gimplify_switch_expr, gimplify_case_label_expr): Adjust uses
2963         of case_labels.
2965 2005-06-02  Richard Guenther  <rguenth@gcc.gnu.org>
2967         * c-typeck.c (build_indirect_ref): Build INDIRECT_REF
2968         with correct type.
2970 2005-06-02  Ulrich Weigand  <uweigand@de.ibm.com>
2972         * config/s390/s390.c (s390_add_execute): Do not handle out-of-pool
2973         execute templates.
2974         (s390_dump_pool): Likewise.
2975         (s390_mainpool_start, s390_mainpool_finish): Likewise.
2976         (s390_chunkify_start): Likewise.
2977         (s390_dump_execute): Remove.
2978         (s390_reorg): Handle out-of-pool execute templates.
2980 2005-06-02  Adrian Straetling  <straetling@de.ibm.com>
2982         * optabs.c: (expand_bool_compare_and_swap): Emit barrier after
2983           unconditional jump.
2985 2005-06-02  Jan Hubicka  <jh@suse.cz>
2987         * cgraph.c (cgraph_node): Maintain master clones.
2988         (cgraph_remove_node): Likewise.
2989         (availability_names): New static variable.
2990         (dump_cgraph_node): Dump availability.
2991         (dump_cgraph_varpool_node): Likewise.
2992         (cgraph_is_master_clone, cgraph_master_clone,
2993         cgraph_function_body_availability,
2994         cgraph_variable_initializer_availability): New functions.
2995         * cgraph.h (availability): New enum.
2996         (struct cgraph_node): Add master_clone.
2997         (cgraph_is_master_clone, cgraph_master_clone,
2998         cgraph_function_body_availability,
2999         cgraph_variable_initializer_availability): Declare.
3000         * cgraphunit.c (cgraph_expand_function): Setcgraph_function_flags_ready.
3001         (cgraph_remove_unreachable_nodes): Remove unreachable nodes.
3002         * ipa-inline.c (cgraph_decide_inlining): Do not call
3003         cgraph_remove_unreachable_nodes.
3005         * cgraphunit.c (cgraph_function_and_variable_visibility): Fix typo in
3006         previous patch.
3008 2005-06-02  Diego Novillo  <dnovillo@redhat.com>
3010         PR 21582
3011         * tree-vrp.c (nonnull_arg_p): New.
3012         (get_value_range): Call it.
3014 2005-06-02  Eric Christopher  <echristo@redhat.com>
3016         * config/mips/mips.h (processor_type): Remove PROCESSOR_DEFAULT,
3017         add PROCESSOR_MAX.
3018         (mips_rtx_cost_data): New datatype.
3019         (MEMORY_MOVE_COST): Use data from structure.
3020         (BRANCH_COST): Ditto.
3021         (LOGICAL_OP_NON_SHORT_CIRCUIT): Define to zero.
3022         * config/mips/mips.md (cpu): Rework for processor_type changes.
3023         * config/mips/mips.c (mips_cost): New variable.
3024         (DEFAULT_COSTS): Define.
3025         (mips_rtx_cost_data): New.
3026         (mips_rtx_costs): Use. Minor formatting changes. Use COSTS_N_INSNS
3027         for NEG cost. Add support for FLOAT, UNSIGNED_FLOAT, FIX,
3028         FLOAT_EXTEND, FLOAT_TRUNCATE, and SQRT.
3029         (override_options): Set cost data.
3030         (mips_register_move_cost): Formatting changes.
3031         (bdesc_arrays): Use PROCESSOR_MAX.
3032         (mips_init_builtins): Ditto.
3034 2005-06-02  Diego Novillo  <dnovillo@redhat.com>
3036         PR 21765
3037         * doc/invoke.texi: Document -ftree-vrp.
3039 2005-06-02  Dorit Nuzman  <dorit@il.ibm.com>
3041         PR tree-optimization/21734
3042         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop): Use the
3043         phi_result when current_def is not available.
3044         (slpeel_update_phi_nodes_for_guard1): Don't fail if current_def is not
3045         available.      
3047 2005-06-02  David Edelsohn  <edelsohn@gnu.org>
3049         * config/rs6000/rs6000.c (rs6000_insn_valid_within_doloop): New.
3050         (TARGET_INSN_VALID_WITHIN_DOLOOP): Define.
3052 2005-06-02  Diego Novillo  <dnovillo@redhat.com>
3054         * tree-vrp.c (has_assert_expr, maybe_add_assert_expr): Remove.
3056 2005-06-02  Jan Hubicka  <jh@suse.cz>
3058         * cgraph.c (dump_cgraph_node): Print new flags.
3059         (dump_cgraph_varpool_node): Likewise.
3060         (decide_variable_is_needed): Initialize externally_visible flag.
3061         * cgraph.h (cgraph_local_info): Add externally_visible flag.
3062         (cgraph_varpool_node): Likewise.
3063         (cgraph_function_flags_ready): Declare.
3064         * cgraph.c (cgraph_mark_local_functions): Rename to ...
3065         (cgraph_function_and_variable_visibility) ... this one; handle
3066         externally_visible flags.
3067         (decide_is_function_needed): Set externally_visible flag.
3068         (cgraph_finalize_function): Deal properly with early cleanups.
3069         (cgraph_optimize): Update call of
3070         cgraph_function_and_variable_visibility.
3072 2005-06-02 Steven Bosscher  <stevenb@suse.de>
3073            Mostafa Hagog <mustafa@il.ibm.com>
3075         * cfgloop.h (doloop_condition_get): Make external.
3076         * loop-doloop.c (doloop_condition_get): Generalize to make it
3077         usable in modulo-sched.c.
3078         * modulo-sched.c (doloop_register_get): Use
3079         doloop_condition_get instead of duplicating it.
3081 2005-06-02  Bernd Schmidt  <bernd.schmidt@analog.com>
3083         * reload1.c (reload): Undo 2005-04-20 change.  Make sure we detect
3084         the correct set of init_insns that need deletion.
3085         * local-alloc.c (update_equiv_regs): When substituting sole definition
3086         into sole use of a reg, delete it from liveness information.
3088 2005-06-02  Kaz Kojima  <kkojima@gcc.gnu.org>
3090         * config/sh/sh.h (TARGET_FPU_DOUBLE): Use MASK_SH4.
3092 2005-06-01  Diego Novillo  <dnovillo@redhat.com>
3094         PR 14341, PR 21332, PR 20701, PR 21029, PR 21086, PR 21090
3095         PR 21289, PR 21348, PR 21367, PR 21368, PR 21458.
3096         * fold-const.c (invert_tree_comparison): Make extern.
3097         * tree-flow.h (enum value_range_type): Move to tree-ssa-propagate.
3098         (struct value_range_def): Limewise.
3099         (get_value_range): Remove.
3100         (dump_value_range): Remove.
3101         (dump_all_value_ranges): Remove.
3102         (debug_all_value_ranges): Remove.
3103         (vrp_evaluate_conditional): Declare.
3104         * tree-ssa-propagate.c (struct prop_stats_d): Add field
3105         num_pred_folded.
3106         (substitute_and_fold): Add argument use_ranges_p.
3107         Update all callers.
3108         If use_ranges_p is true, call fold_predicate_in to fold
3109         predicates using range information.
3110         Ignore ASSERT_EXPRs.
3111         Change debugging output to only show statements that have been
3112         folded.
3113         (replace_phi_args_in): Move debugging output code from
3114         substitute and fold.
3115         (fold_predicate_in): New local function.
3116         * tree-ssa-propagate.h (enum value_range_type): Move from
3117         tree-flow.h.
3118         (struct value_range_d): Likewise.
3119         Add field 'equiv'. 
3120         (value_range_t): Rename from value_range.
3121         * tree-vrp.c (found_in_subgraph): Rename from found.
3122         (get_opposite_operand): Remove.
3123         (struct assert_locus_d): Declare.
3124         (assert_locus_t): Declare.
3125         (need_assert_for): Declare.
3126         (asserts_for): Declare.
3127         (blocks_visited): Declare.
3128         (vr_value): Declare.
3129         (set_value_range): Add argument 'equiv'.
3130         Don't drop to VARYING ranges that cover all values in the
3131         type.
3132         Make deep copy of equivalence set 'equiv'.
3133         (copy_value_range): New local function.
3134         (set_value_range_to_undefined): New local function.
3135         (compare_values): Return -2 if either value has overflowed.
3136         (range_includes_zero_p): New local function.
3137         (extract_range_from_assert): Flip the predicate code if the
3138         name being asserted is on the RHS of the predicate.
3139         Avoid creating unnecessary symbolic ranges if the comparison
3140         includes another name with a known numeric range.
3141         Update the equivalnce set of the new range when asserting
3142         EQ_EXPR predicates.
3143         (extract_range_from_ssa_name): Update the equivalence set of
3144         the new range with VAR.
3145         (extract_range_from_binary_expr): Also handle TRUTH_*_EXPR.
3146         If -fwrapv is used, set the resulting range to VARYING if the
3147         operation overflows.  Otherwise, use TYPE_MIN_VALUE and
3148         TYPE_MAX_VALUE to represent -INF and +INF.
3149         Fix handling of *_DIV_EXPR.
3150         (extract_range_from_unary_expr): Handle MINUS_EXPR and
3151         ABS_EXPR properly by switching the range around if necessary.
3152         (extract_range_from_comparison): New local function.
3153         (extract_range_from_expr): Call it.
3154         (adjust_range_with_scev): Do not adjust the range if using
3155         wrapping arithmetic (-fwrapv).
3156         (dump_value_range): Also show equivalence set.
3157         Show -INF and +INF for TYPE_MIN_VALUE and TYPE_MAX_VALUE.
3158         (build_assert_expr_for): Also build ASSERT_EXPR for EQ_EXPR.
3159         (infer_value_range): Change return value to bool.
3160         Add arguments 'comp_code_p' and 'val_p'.
3161         Do not attempt to infer ranges from statements that may throw.
3162         Store the comparison code in comp_code_p.
3163         Store the other operand to be used in the predicate in val_p.
3164         (dump_asserts_for): New.
3165         (debug_asserts_for): New.
3166         (dump_all_asserts): New.
3167         (debug_all_asserts): New.
3168         (register_new_assert_for): New.
3169         (register_edge_assert_for): New.
3170         (find_conditional_asserts): New.
3171         (find_assert_locations): New.
3172         (process_assert_insertions_for): New.
3173         (process_assert_insertions): New.
3174         (insert_range_assertions): Initialize found_in_subgraph,
3175         blocks_visited, need_assert_for and asserts_for.
3176         Call find_assert_locations and process_assert_insertions.
3177         (remove_range_assertions): Add more documentation.
3178         (vrp_initialize): Change return type to void.
3179         Do not try to guess if running VRP is worth it.  
3180         (compare_name_with_value): New.
3181         (compare_names): New.
3182         (vrp_evaluate_conditional): Add argument 'use_equiv_p'.  If
3183         use_equiv_p is true, call compare_names and
3184         compare_name_with_value to compare all the ranges for every
3185         name in the equivalence set of the predicate operands.
3186         Update all callers.
3187         (vrp_meet): Try harder not to derive a VARYING range.
3188         If two values meet, the resulting equivalence set is the
3189         intersection of the two equivalence sets.
3190         (vrp_visit_phi_node): Call copy_value_range to get the current
3191         range information of the LHS.
3192         (vrp_finalize): Create a value vector representing all the
3193         names that ended up with exactly one value in their range.
3194         Call substitute_and_fold.
3195         (execute_vrp): Document equivalence sets in ranges.
3196         * tree.h (SSA_NAME_VALUE_RANGE): Remove.
3197         (struct tree_ssa_name): Remove field value_range.
3198         (invert_tree_comparison): Declare.
3200 2005-06-01  Daniel Berlin  <dberlin@dberlin.org>
3202         Fix PR tree-optimization/21839
3204         * gimplify.c (zero_sized_field_decl): New function.
3205         (gimplify_init_ctor_eval): Use it.
3207 2005-06-01  Josh Conner <jconner@apple.com>
3209         PR 21478
3210         * gimplify.c (gimplify_init_constructor): Don't spill initializer
3211         to read-only memory if it's sparse.
3213 2005-06-01  Ramana Radhakrishnan  <ramana@codito.com>
3215         * doc/rtl.texi: Remove references to NOTE_INSN_SETJMP. 
3216         Add documentation for REG_SETJMP
3218 2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
3220         * stmt.c (expand_case): Use build_int_cst.
3221         (node_has_low_bound): Likewise, and correct type mismatch.
3222         (node_has_high_bound): Likewise.
3223         * fold-const.c (fold_binary): Ensure we build trees
3224         with the correct types - undo what STRIP_NOPS possibly did.
3226 2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
3228         * tree.h (fold_indirect_ref_1): Export from fold-const.c.
3229         * fold-const.c (fold_indirect_ref_1): No longer static.
3230         * tree-inline.c (copy_body_r): Use fold_indirect_ref_1 for
3231         folding, if possible.
3233 2005-06-01  Joseph S. Myers  <joseph@codesourcery.com>
3235         * common.opt (fjump-tables): New.
3236         * doc/invoke.texi (-fno-jump-tables): Document.
3237         * stmt.c (expand_end_case_type): Do not emit jump tables unless
3238         flag_jump_tables.
3240 2005-06-01  Richard Earnshaw  <richard.earnshaw@arm.com>
3242         * arm.md (bunordered, bordered, bungt, bunlt, bunge, bunle, buneq)
3243         (bltgt, arm_buneq, arm_bltgt, sunordered, sordered, sungt, sunge)
3244         (sunlt, sunle): Enable patterns on VFP.
3246         * arm.md (attribute 'type'): Add new types - f_loads floadd, f_stores,
3247         f_stored, f_flag, f_cvt.
3248         (generic_sched): No-longer used for the arm1020e and arm1022e cores.
3249         Include arm1020e.md.
3250         * vfp.md (fmstat): New cpu unit.  Add an exclusion set between it and
3251         the ds and fmac pipelines.  Re-work all load and store patterns and
3252         all conversion patterns to use new attributes.  Adjust reservation
3253         descriptions accordingly.
3254         * arm1020e.md: New file.
3255         * t-arm: Add dependency.
3257 2005-06-01  Jan Hubicka  <jh@suse.cz>
3259         * except.c (struct eh_region): Kill unused fields.
3260         * basic-block.h (struct basic_block_def): Likewise.
3262 2005-06-01  J"orn Rennecke <joern.rennecke@st.com>
3264         PR rtl-optimization/21767
3265         * rtl.h (function_invariant_p): Re-add declaration.
3266         * reload1.c (function_invariant_p): No longer static.
3267         * ifcvt.c (dead_or_predicable): Remove REG_EQUAL notes that
3268         might have become invalid.
3270 2005-06-01  Jakub Jelinek  <jakub@redhat.com>
3272         PR c/21536
3273         PR c/20760
3274         * gimplify.c (gimplify_decl_expr): Call gimplify_type_sizes
3275         on variable sizes types if a decl is a pointer to a VLA.
3276         (gimplify_type_sizes): Handle POINTER_TYPE and REFERENCE_TYPE.
3277         Call gimplify_type_sizes on aggregate fields.  Prevent infinite
3278         recursion.
3280         * fold-const.c (fold_ternary): Optimize BIT_FIELD_REF of VECTOR_CST.
3282         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss, _mm_set1_ps,
3283         _mm_set_ps, _mm_setr_ps): Add __extension__.
3284         * config/i386/emmintrin.h (_mm_set_sd, _mm_set1_pd, _mm_set_pd,
3285         _mm_setr_pd, _mm_setzero_pd, _mm_set_epi64x, _mm_set_epi64x,
3286         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128):
3287         Likewise.
3288         (_mm_clflush): Don't use return in void function.
3290         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128,
3291         _mm_castps_pd, _mm_castps_si128, _mm_castsi128_ps, _mm_castsi128_pd):
3292         Use __inline instead of inline.
3294 2005-06-01  Richard Guenther  <rguenth@gcc.gnu.org>
3296         * fold-const.c (fold_binary): Fix types in strlen vs.
3297         zero comparison folding.
3299 2005-06-01  Richard Henderson  <rth@redhat.com>
3301         * configure.ac (HAVE_AS_JSRDIRECT_RELOCS): New.
3302         * config.in, configure: Rebuild.
3303         * config/alpha/alpha.c (print_operand): Add 'j'.
3304         * alpha.md (divmodsi_internal_er_1): Use it.
3305         (divmoddi_internal_er_1): Likewise.
3307 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
3309         * system.h (TARGET_OPTIONS, TARGET_SWITCHES): Poison.
3310         * opts.h (print_filtered_help): Delete.
3311         * opts.c (handle_option, decode_options): Remove calls to
3312         set_target_switch.
3313         (print_target_help): New function.
3314         (common_option, print_help): Call print_target_help instead of
3315         display_target_options.
3316         (print_filtered_help): Make static.
3317         * toplev.h (display_target_options, set_target_switch): Delete.
3318         * toplev.c (target_switches, target_options, display_target_options)
3319         (set_target_switch): Delete.
3320         (print_switch_values): Remove handling of TARGET_SWITCHES and
3321         TARGET_OPTIONS.
3322         (default_get_pch_validity): Likewise.  Only treat target_flags
3323         specially if targetm.check_pch_target_flags is nonnull.
3324         (pch_option_mismatch): New function.
3325         (default_pch_valid_p): Use it.  Remove handling of TARGET_SWITCHES
3326         and TARGET_OPTIONS.  Only treat target_flags specially if
3327         targetm.check_pch_target_flags is nonnull.
3328         * config/ia64/ia64.c (ia64_override_options): Don't mention
3329         TARGET_OPTIONS in comment.
3330         * config/m68k/m68k-none.h (CC1_SPEC): Likewise.
3331         * doc/invoke.texi: Remove a reference to TARGET_SWITCHES.
3332         * doc/tm.texi (TARGET_DEFAULT_TARGET_FLAGS): Don't mention the
3333         interaction with TARGET_SWITCHES.
3334         (TARGET_@var{featurename}, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
3336 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
3338         * config/sh/sh.c (multcosts): Check sh_multcost rather than
3339         sh_multcost_str.
3340         (sh_register_move_cost): Likewise sh_gettrcost and sh_gettrcost_str.
3341         (sh_multcost_str, sh_gettrcost_str, sh_div_str, sh_divsi3_libfunc)
3342         (cut2_workaround_str): Delete.
3343         * config/sh/sh.h (SUBTARGET_OPTIONS, TARGET_OPTIONS)
3344         (TARGET_SH5_CUT2_WORKAROUND, sh_multcost_str, sh_gettrcost_str)
3345         (sh_div_str, sh_divsi3_libfunc, cut2_workaround_str): Delete.
3346         * config/sh/sh.opt (mcut2-workaround, mdiv=, mdivsi3_libfunc=)
3347         (mgettrcost=, multcost=): New options.
3349 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
3351         * opts.h (cl_option_state): New structure.
3352         (get_option_state): Declare.
3353         * opts.c (get_option_state): New function.
3354         * toplev.c (option_affects_pch_p): New function.
3355         (default_get_pch_validity): Store the state of all options for which
3356         option_affects_pch_p returns true.
3357         (default_pch_valid_p): Check the state of those options here.
3358         Only check target_flags separately if targetm.check_pch_target_Flags
3359         is nonnull or if TARGET_SWITCHES is defined.
3361 2005-06-01  Richard Sandiford  <rsandifo@redhat.com>
3363         * config/mips/mips-protos.h (mips_use_ins_ext_p): Remove parameter
3364         names.
3366 2005-06-01 Mostafa Hagog <mustafa@il.ibm.com>
3368         * modulo-sched.c (undo_generate_reg_moves ): Fix PR 21138.
3370 2005-06-01 Mostafa Hagog <mustafa@il.ibm.com>
3372         * gcse.c (compute_transp, load_killed_in_block): Use 
3373         MEM_READONLY_P.
3375 2005-06-01  David.Billinghurst  <David.Billinghurst@riotinto.com>
3377         PR target/21854
3378         * config/mips/mips-protos.h: Declare mips_use_ins_ext_p
3379         
3380 2005-05-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3382         * errors.h (warning, error, fatal, internal_error): Add printf
3383         attribute.
3384         * genmodes.c (make_vector_mode): Fix format arguments.
3386 2005-05-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3388         * basic-block.h, bb-reorder.c, c-gimplify.c, config/darwin.c,
3389         config/rs6000/rs6000-c.c, dominance.c, gimple-low.c, gimplify.c,
3390         lambda-code.c, lambda-trans.c, tree-browser.c, tree-cfg.c,
3391         tree-chrec.c, tree-data-ref.c, tree-dfa.c, tree-eh.c,
3392         tree-if-conv.c, tree-into-ssa.c, tree-loop-linear.c,
3393         tree-mudflap.c, tree-nomudflap.c, tree-outof-ssa.c,
3394         tree-pretty-print.c, tree-scalar-evolution.c, tree-sra.c,
3395         tree-ssa-ccp.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
3396         tree-ssa-dse.c, tree-ssa-forwprop.c, tree-ssa-live.c,
3397         tree-ssa-operands.c, tree-ssa-phiopt.c, tree-ssa-pre.c,
3398         tree-ssa-propagate.c, tree-ssa-sink.c, tree-ssa-threadupdate.c,
3399         tree-ssa-uncprop.c, tree-ssa.c, tree-vect-analyze.c,
3400         tree-vect-transform.c, tree-vectorizer.c, vec.c: Don't include
3401         errors.h and include toplev.h if necessary.
3402         
3403         * rtl.c, varray.c: If we're compiling as a GENERATOR_FILE, include
3404         errors.h otherwise include toplev.h.
3405         
3406         * Makefile.in: Update dependencies.
3407         
3408 2005-06-01  Danny Smith  <dannysmith@users.sourceforge.net>
3410         * config/i386/cygming.h (NO_PROFILE_COUNTERS): Define.
3412 2005-05-31  Geoffrey Keating  <geoffk@geoffk.org>
3414         * config/rs6000/rs6000.md (sync_boolcshort_internal): New.
3415         * config/rs6000/rs6000.c (rs6000_emit_sync): Shift count must
3416         be complemented for big-endian.  Mask for AND must be rotated,
3417         not shifted.  Handle short operands with NOT on the memory
3418         operation.
3420 2005-05-30  Daniel Berlin  <dberlin@dberlin.org>
3422         * c-objc-common.c (c_tree_printer): Check flag before hashtable.
3423         Use DECL_DEBUG_EXPR and SET_DECL_DEBUG_EXPR.
3424         * dwarf2out.c (dwarf2out_var_location): Ditto.
3425         * toplev.c (default_tree_printer): Ditto.
3426         * tree-outof-ssa.c (create_temp): Ditto.
3427         * tree-sra.c (instantiate_element): Ditto.
3428         * var-tracking.c (track_expr_p): Ditto.
3429         * tree.c (struct tree_map): New structure.
3430         (debug_expr_for_decl): New.
3431         (tree_map_eq): New function.
3432         (tree_map_hash): Ditto.
3433         (tree_map_marked_p): Ditto.
3434         (print_debug_expr_statistics): Ditto.
3435         (decl_debug_expr_lookup): Ditto.
3436         (decl_debug_expr_insert): Ditto.
3437         (dump_tree_statistics): Dump debug_expr hashtable stats.
3438         * tree.h (DECL_DEBUG_EXPR): Change
3439         (SET_DECL_DEBUG_EXPR): Add.
3440         
3441 2005-06-01  Alan Modra  <amodra@bigpond.net.au>
3443         * configure.ac: Add --enable-secureplt.
3444         (HAVE_AS_REL16): Test for R_PPC_REL16 relocs.
3445         * config.in: Regenerate.
3446         * configure: Regenerate.
3447         * config.gcc (powerpc64-*-linux*, powerpc-*-linux*): Add
3448         rs6000/secureplt.h to tm_file when enable_secureplt.
3449         * doc/invoke.texi (msecure-plt, mbss-plt): Document.
3450         * doc/install.texi: Document --enable-targets and --enable-secureplt.
3451         Correct xrefs to "Using the GNU Compiler Collection (GCC)".
3452         * config/rs6000/secureplt.h: New file.
3453         * config/rs6000/sysv4.h (TARGET_SECURE_PLT): Define.
3454         (SUBTARGET_OVERRIDE_OPTIONS): Error if -msecure-plt given without
3455         assembler support.
3456         (CC1_SECURE_PLT_DEFAULT_SPEC): Define.
3457         (CC1_SPEC): Delete duplicate mno-sdata.  Invoke cc1_secure_plt_default.
3458         (SUBTARGET_EXTRA_SPECS): Add cc1_secure_plt_default.
3459         * config/rs6000/sysv4.opt (msecure-plt, bss-plt): Add options.
3460         * config/rs6000/rs6000.h (TARGET_SECURE_PLT): Define.
3461         * config/rs6000/rs6000.c (rs6000_emit_load_toc_table): Handle
3462         TARGET_SECURE_PLT got register load sequence.
3463         (rs6000_emit_prologue): Call rs6000_emit_load_toc_table when
3464         TARGET_SECURE_PLT.
3465         (rs6000_elf_declare_function_name): Don't emit toc address offset
3466         word when TARGET_SECURE_PLT.
3467         * config/rs6000/rs6000.md (elf_high, elf_low): Move past load_toc_*.
3468         (load_toc_v4_PIC_1) Enable for TARGET_SECURE_PLT.
3469         (load_toc_v4_PIC_3b, load_toc_v4_PIC_3c): New insns.
3470         (call, call_value): Mark pic_offset_table_rtx used for sysv pic and
3471         TARGET_SECURE_PLT.
3472         (call_nonlocal_sysv, call_value_nonlocal_sysv, sibcall_nonlocal_sysv,
3473         sibcall_value_nonlocal_sysv): Add 32768 offset when TARGET_SECURE_PLT
3474         and -fPIC.
3475         * config/rs6000/tramp.asm (trampoline_initial): Use "bcl 20,31".
3476         (__trampoline_setup): Likewise.  Init r30 before plt call.
3478 2005-05-31  DJ Delorie  <dj@redhat.com>
3480         * expr.c (convert_move): When a partial_int requires multiple
3481         conversion steps, make sure successive steps convert the
3482         intermediate value, not the original value.
3484         * expmed.c (expand_mult): Convert partial_int multiplies to
3485         shift/add combinations too.
3487         * genmodes.c (mode_data): Add wider_2x.
3488         (calc_wider_mode): Calculate twice-wider mode too.
3489         (emit_mode_wider): Emit twice-wider mode too.
3490         * machmode.h (mode_2xwider, GET_MODE_2XWIDER_MODE): New.
3491         * expr.c (expand_expr_real_1): Use it for expanding
3492         multiplies.
3494 2005-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
3496         PR tree-optimization/21817
3497         * tree-ssa-loop-im.c (for_each_index): Handle VECTOR_CST.
3499 2005-05-31  Pat Haugen  <pthaugen@us.ibm.com>
3501         * loop.c (loop_invariant_p, valid_initial_value_p): Revert last
3502         change.
3504 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
3506         PR middle-end/20931
3507         PR middle-end/20946
3508         * fold-const.c (fold_checksum_tree): Copy types also if
3509         TYPE_CONTAINS_PLACEHOLDER_INTERNAL is set.
3510         Don't call fold_checksum_tree for TREE_LIST's TREE_CHAIN
3511         first.
3512         Tail recurse TREE_LIST's TREE_CHAIN.
3514 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
3516         PR tree-opt/21732
3517         * tree-ssa-copy.c (dump_copy_of): Create a bitmap and don't visit a
3518         SSA_NAME twice and cause the loop to become finite.  Remove the test
3519         for val.
3521 2005-05-31  Andrew Pinski  <pinskia@physics.uc.edu>
3523         * tree-cfg.c (verify_expr): Add checking for COND_EXPR's conditional
3524         expression.
3526 2005-05-31  Richard Sandiford  <rsandifo@redhat.com>
3528         * doc/tm.texi (TARGET_GET_PCH_VALIDITY, TARGET_PCH_VALID_P): Tweak
3529         the documentation to make it more future-proof.
3530         (TARGET_CHECK_PCH_TARGET_FLAGS): Document this new hook.
3531         * target.h (gcc_target): Add check_pch_target_flags.
3532         * target-def.h (TARGET_CHECK_PCH_TARGET_FLAGS): New macro.
3533         (TARGET_INITIALIZER): Include it.
3534         * toplev.c (default_pch_valid_p): Use targetm.check_pch_target_flags.
3535         * config/sh/sh-protos.h (sh_pch_valid_p): Delete.
3536         * config/sh/sh.c (TARGET_PCH_VALID_P, sh_pch_valid_p): Delete.
3537         (sh_check_pch_target_flags): New function.
3538         (TARGET_CHECK_PCH_TARGET_FLAGS): Override default.
3540 2005-05-31  Richard Guenther  <rguenth@gcc.gnu.org>
3542         * fold-const.c (extract_array_ref): Handle more cases,
3543         do some useful canonicalization of the base.
3544         (fold_binary): Explicitly deal with arrays of zero-sized
3545         structures during folding of &a[i] == &a[j].
3547 2005-05-31  Eric Botcazou  <ebotcazou@libertysurf.fr>
3549         * doc/install.texi (sparc-sun-solaris2*): Update note
3550         about Sun bug 4910101.
3551         (sparc-sun-solaris2.7): Document bootstrap
3552         failure with Sun WorkShop 6 99/08/18 as.
3554 2005-05-30  Pat Haugen  <pthaugen@us.ibm.com>
3556         * loop.c (loop_invariant_p, valid_initial_value_p): Use
3557         regs_invalidated_by_call instead of call_used_regs.
3559 2005-05-30  Paolo Carlini  <pcarlini@suse.de>
3561         PR middle-end/21743
3562         * builtins.def (BUILT_IN_CLOG, BUILT_IN_CLOGF, BUILT_IN_CLOGL):
3563         Enable.
3564         * doc/extend.texi: Add clog, clogf, clogl.
3566 2005-05-30  H.J. Lu  <hongjiu.lu@intel.com>
3568         PR middle-end/20303
3569         * c-pragma.c: Include "vec.h".
3570         (handle_pragma_visibility): Use VEC.
3572         * doc/invoke.texi: Remove the nested visibility push limit.
3574 2005-05-30  Roger Sayle  <roger@eyesopen.com>
3576         PR rtl-optimization/15422
3577         * reg-stack.c (starting_stack_p): New static global.
3578         (straighten_stack): Delete prototype. Change to update the stack
3579         before the current insn.
3580         (subst_stack_regs): Update call to straighten stack.
3581         (emit_swap_insn): Delete prototype.  For the first insn in a
3582         basic block, update stack_in instead of emitting a real swap.
3583         (change_stack): When changing the stack before the first insn
3584         in a basic block, update stack_in instead of emitting real code.
3585         (compensate_edges): Clear starting_stack_p during compensation.
3586         (convert_regs_1): Keep track of starting_stack_p whilst processing
3587         a basic block.
3589 2005-05-30  Kazu Hirata  <kazu@cs.umass.edu>
3591         * tree-ssa-ccp.c (const_val): Make it static.
3593 2005-05-29  Geoffrey Keating  <geoffk@apple.com>
3595         PR target/21761
3596         * config/rs6000/rs6000.md: Remove stray TARGET_32BIT from
3597         pattern involving `:P'.
3599         * Makefile.in (install-cpp): Depend on installdirs.
3601 2005-05-30  Kazu Hirata  <kazu@cs.umass.edu>
3603         * tree-outof-ssa.c (_elim_graph): Change the type of edge_list
3604         to VEC(int,heap)*.
3605         (new_elim_graph, clear_elim_graph, delete_elim_graph,
3606         elim_graph_add_edge, elim_graph_remove_succ_edge,
3607         FOR_EACH_ELIM_GRAPH_SUCC, FOR_EACH_ELIM_GRAPH_PRED): Use VEC
3608         instead of VARRAY.
3610 2005-05-29  Kazu Hirata  <kazu@cs.umass.edu>
3612         * cgraphunit.c, ipa-inline.c, loop-iv.c, modulo-sched.c,
3613         opts.c, postreload-gcse.c, tree-browser.def, tree-eh.c,
3614         tree-ssa-copyrename.c, tree-vect-analyze.c: Fix typos and
3615         follow spelling conventions in error/dump messages.
3617 2005-05-29  Roger Sayle  <roger@eyesopen.com>
3618             Richard Henderson  <rth@redhat.com>
3620         * ifcvt.c (noce_emit_move_insn): Construct a SET pattern directly
3621         if the RHS isn't suitable for calling emit_move_insn.
3623 2005-05-29  Kazu Hirata  <kazu@cs.umass.edu>
3625         * tree-ssa-ccp.c (ccp_fold): Return immediately after calling
3626         fold_unary and fold_binary.
3628 2005-05-29  Roger Sayle  <roger@eyesopen.com>
3630         * reg-stack.c (propagate_stack): Always copy the source stack to
3631         the destination.  This routine is now only called when this is safe.
3632         (better_edge): New function split out from convert_regs_1 to
3633         determine which of two edges is better to propagate across.
3634         (convert_regs_1):  We need only search for a best edge if the
3635         stack layout hasn't been defined yet.  Use better_edge to help
3636         find beste.  No longer traverse unnecessary edges.
3638 2005-05-29  Keith Besaw  <kbesaw@us.ibm.com>
3640         * tree-ssa-alias.c (new_type_alias): New procedure to
3641         create a type memory tag for a pointer with a may-alias
3642         set determined from a variable declaration.
3643         * tree-flow.h: export declaration of new_type_alias
3644         * tree-optimize.c (init_tree_optimization_passes): document
3645         that pass_may_alias cannot be called after pass_vectorize.
3646         * tree-vect-transform (vect_create_data_ref_ptr): Call
3647         new_type_alias when an type memory tag isn't available
3648         for a reference.
3649         (vectorizable_store): Use copy_virtual_operands to update
3650         virtual defs in place (so that loop_version can be called).
3651         Call mark_for_renaming for the virtual defs in case peeling
3652         is done and virtual uses outside the loop need to be updated.
3654 2005-05-29  Dorit Naishlos  <dorit@il.ibm.com>
3656         PR tree-optimization/21639
3657         * tree-complex.c (pass_lower_vector_s): Remove TODO_ggc_collect.
3659 2005-05-29  Jan Hubicka  <jh@suse.cz>
3661         PR tree-optimization/21562
3662         * cfgexpand.c (construct_init_block): Deal properly with the case
3663         of entry edge not pointing to very first basic block.
3665 2005-05-28  Kazu Hirata  <kazu@cs.umass.edu>
3667         * tree-ssa-ccp.c (ccp_fold): Remove code that produces
3668         non-gimple min invariant.
3670         * Makefile.in (OBJS-common): Add tree-cfgcleanup.o.
3671         * tree-flow.h: Add prototypes for start_recording_case_labels
3672         and end_recording_case_labels.
3673         * tree-cfg.c (start_recording_case_labels,
3674         end_recording_case_labels): Export.
3675         (cleanup_tree_cfg_loop, modified_noreturn_calls,
3676         cleanup_control_flow, cleanup_control_expr_graph,
3677         remove_fallthru_edge, phi_alternatives_equal,
3678         tree_forwarder_block_p, has_abnormal_incoming_edge_p,
3679         remove_forwarder_block, cleanup_forwarder_blocks,
3680         remove_forwarder_block_with_phi, merge_phi_nodes,
3681         gate_merge_phi, pass_merge_phi): Move to ...
3682         * tree-cfgcleanup.c: ... here.
3684         * basic-block.h: Remove forward declaration of bb_ann_d.
3686 2005-05-28  Jan Hubicka  <jh@suse.cz>
3688         * tree-ssa-threadupdate.c: (create_edge_and_update_destination_phis):
3689         Update profile.
3690         * value-prof.c (tree_divmod_fixed_value_transform): Be more verbose in
3691         debug output.
3692         (tree_mod_subtract): Fix profile updating code.
3693         (tree_divmod_values_to_profile): Do not produce useless value profilers
3694         for divisions.
3696 2005-05-28  Kazu Hirata  <kazu@cs.umass.edu>
3698         * tree-ssa-dom.c (vrp_element_p): Define.
3699         (vrp_hash_elt): Change the type of records to
3700         VEC(vrp_element_p,heap).
3701         (vrp_free): New.
3702         (tree_ssa_dominator_optimize): Pass vrp_free to htab_create.
3703         Update uses of VRP records.
3704         (simplify_cond_and_lookup_avail_expr, record_range): Update
3705         uses of VRP records.
3707         * tree-inline.c (cfun_stack): Change the type to
3708         VEC(function_p,heap).
3709         (push_cfun, pop_cfun): Use VEC instead of VARRAY.
3711 2005-05-27  Ian Lance Taylor  <ian@airs.com>
3713         * c-decl.c (add_stmt): Add C frontend specific version.
3714         (stmts_are_full_exprs_p): Remove.
3715         * c-common.h (STMT_IS_FULL_EXPR_P): Remove.
3716         (stmts_are_full_exprs_p): Don't declare.
3717         * c-semantics.c (add_stmt): Remove.
3719 2005-05-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3721         * config/mips/mips-protos.h (mips_declare_object): Add printf
3722         attribute.
3723         * config/mips/mips.c (mips_declare_object_name): Fix format
3724         argument.
3726 2005-05-27  Roger Sayle  <roger@eyesopen.com>
3728         * reg-stack.c (compensate_edge): Remove original prototype.
3729         (propagate_stack): New function to copy the stack layout
3730         at the start of a basic block from the layout at the end of
3731         one of its predecessors.
3732         (compensate_edge): Assume that both source and destination
3733         blocks have already had their stack layouts defined.
3734         (compensate_edges): Traverse all non-entry edges in the CFG
3735         and call compensate_edge on each in turn.
3736         (convert_regs_1): Change return type to void.  Call
3737         propagate_stack instead of compensate_edge.
3738         (convert_regs_2): Change return type to void.  Update call
3739         to convert_regs_1 to ignore the (now void) return value.
3740         (convert_regs): Update calls to convert_regs_2 to ignore
3741         the (now void) return value.  After all the basic blocks have
3742         been processed, call compensate_edges to actually emit new
3743         insns.
3744         (reg_to_stack): Initialize the aux info for each basic block
3745         with FOR_EACH_BB instead of which FOR_EACH_BB_REVERSE.
3747 2005-05-28  Jan Hubicka  <jh@suse.cz>
3749         * except.c (can_throw_internal_1, can_throw_external_1): Add 
3750         "is_resx" argument.
3751         (can_throw_external, can_throw_internal): Bring into sync wrt
3752         dealing resx.
3753         * except.h (can_throw_internal_1, can_throw_external_1): Update
3754         prototype.
3755         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
3756         Deal properly with resx.
3758 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
3760         * basic-block.h (basic_block_def): Add phi_nodes and
3761         predictions.  Remove tree_annotations.
3762         * predict.c (tree_predicted_by_p, tree_predict_edge,
3763         combine_predictions_for_bb): Adjust references to predictions.
3764         * tree-cfg.c (init_empty_tree_cfg, create_bb): Don't call
3765         create_block_annotation.
3766         (create_block_annotation, free_blocks_annotatios,
3767         clear_blocks_annotations): Remove.
3768         (dump_cfg_stats): Don't print out the memory spent on
3769         bb_ann_d.
3770         (delete_tree_cfg_annotations): Don't call free_blocks_annotations.
3771         * tree-flow-inline.h (bb_ann): Remove.
3772         (phi_nodes, set_phi_nodes): Update references to phi_nodes.
3773         * tree-flow.h (bb_ann_d): Remove.
3774         * tree-if-conv.c (process_phi_nodes): Update a reference to
3775         phi_nodes.
3776         * tree-phinodes.c (reserve_phi_args_for_new_edge,
3777         create_phi_node, remove_phi_node): Likewise.
3778         * tree-pretty-print.c (dump_generic_bb_buff): Don't call bb_ann.
3779         * tree-ssa-dom.c (threaded_blocks): New.
3780         (tree_ssa_dominator_optimize): Initialize, clear, and free
3781         threaded_blocks. Update a call to thread_through_all_blocks.
3782         (thread_across_edge): Use threaded_blocks instead of setting
3783         incoming_edge_threaded.
3784         * tree-ssa-threadupdate.c (threaded_through_all_blocks): Take
3785         a bitmap of blocks that are threaded through.
3786         * tree.h: Move the prototype of threaded_through_blocks to
3787         tree-flow.h.
3789         * domwalk.c (walk_dominator_tree, init_walk_dominator_tree,
3790         fini_walk_dominator_tree): Use VEC instead of VARRAY.
3791         * domwalk.h (dom_walk_data): Change the type of
3792         block_data_stack and free_block_data to VEC(void_p,heap)*.
3793         * tree-ssa-dse.c (dse_initialize_block_local_data,
3794         dse_optimize_stmt, dse_record_phis, dse_finalize_block): Use
3795         VEC instead of VARRAY.
3797 2005-05-27  Jan Hubicka  <jh@suse.cz>
3799         * cgraph.c: Include tree-gimple.h
3800         (cgraph_edge): Rename expr to stmt.
3801         (cgraph_create_edge): Likewise.
3802         (cgraph_clone_node): Likewise.
3803         * cgraph.h (cgraph_node): Use call_stmt instead of call_expr.
3804         * cgraphunit.c (record_call_1): Rename to ...
3805         (record_reference): ... this one; do not build edges.
3806         (cgraph_varpool_analyze_pending_decls): Call record_reference directly.
3807         (current_basic_block): Kill.
3808         (cgraph_create_edges): Rewrite to work on gimple statements nicely.
3809         (verify_cgraph_node): Likewise.
3810         * tree-inline.c (copy_body_r): Do not mess up with cgraph edges.
3811         (copy_bb): Mess up with cgraph edges here; simplify EH handling.
3812         (copy_edges_for_bb): Simplify EH handling.
3813         (expand_call_inline): Pass statement to cgraph_edge and
3814         cgraph_create_edge.
3816 2005-05-27  Richard Guenther  <rguenth@gcc.gnu.org>
3818         * tree-inline.c (copy_body_r): Manually fold *& to deal
3819         with ADDR_EXPRs with mismatched types for now.
3821         * gimplify.c (fold_indirect_ref_rhs): New function.
3822         (gimplify_modify_expr_rhs): Use it instead of pessimistic
3823         fold_indirect_ref.
3825         * fold-const.c (fold_indirect_ref_1): Add type argument;
3826         make sure the resulting expression is of this type.
3827         (build_fold_indirect_ref, fold_indirect_ref): Adjust callers.
3829 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
3831         PR tree-optimization/21658
3832         * tree-ssa-ccp.c (ccp_fold): Call fold_binary instead of
3833         fold_binary_to_constant.  Likewise, call fold_unary instead of
3834         fold_unary_to_constant.
3836 2005-05-27  Nathan Sidwell  <nathan@codesourcery.com>
3838         * vec.h: Implement integral type vector specialization.
3839         (VEC_T): Define a non-GTY structure.
3840         (VEC_T_GTY): Define a GTY structure.
3841         (VEC_TA): Rename to ...
3842         (VEC_TA_GTY): ... here.
3843         (DEF_VEC_I, DEF_VEC_ALLOC_I): New.
3844         (DEF_VEC_P, DEF_VEC_ALLOC_P): Adjust.
3845         (DEF_VEC_FUNC_P, DEF_VEC_ALLOC_FUNC_P): New, broken out of
3846         DEF_VEC_P and DEF_VEC_ALLOC_P.
3847         (DEF_VEC_O, DEF_VEC_ALLOC_O): Adjust.
3848         (DEF_VEC_FUNC_O, DEF_VEC_ALLOC_FUNC_O): New, broken out of
3849         DEF_VEC_O and DEF_VEC_ALLOC_O.
3850         * global.c: Use DEF_VEC_I, DEF_VEC_ALLOC_I.
3851         * lambda-code.c: Likewise.
3852         * tree-into-ssa.c: Likewise.
3853         * tree-ssa-live.c: Likewise.
3855 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
3857         * tree-into-ssa.c (update_ssa): Ensure that the operand cache
3858         is up-to-date.
3859         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
3860         update_stmt_if_modified before calling update_ssa.
3862 2005-05-27  Ralf Corsepius  <ralf.corsepius@rtems.org>
3864         * config/rs6000/t-rtems: Remove roe multilib variant.
3866 2005-05-26  Roger Sayle  <roger@eyesopen.com>
3868         PR tree-optimization/9814
3869         * ifcvt.c (noce_emit_move_insn): If we fail to recognize the move
3870         instruction, add the necessary clobbers by re-expanding the RTL
3871         for arithmetic operations via optab.c's expand_unop/expand_binop.
3872         (noce_try_bitop): New function to optimize bit manipulation idioms
3873         of the form "if (x & C) x = x op C" and "if (!(x & C) x = x op C".
3874         (noce_process_if_block): Call noce_try_bitop.
3876 2005-05-26  Roger Sayle  <roger@eyesopen.com>
3878         * reg-stack.c (convert_regs_entry, convert_regs_exit,
3879         convert_regs_1, convert_regs_2, convert_regs): Delete prototypes.
3880         (reg_to_stack): Move to end of the file.  Initialize the per
3881         basic block information here, instead of...
3882         (convert_regs_entry): Here.
3883         (convert_regs): Change unused return type to void.
3885 2005-05-27  Kazu Hirata  <kazu@cs.umass.edu>
3887         * c-pch.c, timevar.c, timevar.h, unwind-compat.c,
3888         unwind-dw2-fde-compat.c, unwind-dw2-fde.c, config/mmix/mmix.h,
3889         config/rs6000/eabispe.h, config/rs6000/lynx.h,
3890         config/sh/elf.h, config/sh/symbian-pre.h,
3891         config/sparc/sparc-protos.h: Update copyright.
3893 2005-05-26  Mike Stump  <mrs@apple.com>
3895         * darwin.h (ASM_OUTPUT_LABELREF): Handle quoted non-lazy pointers
3896         for Objective-C++.
3897         
3898 2005-05-26  Richard Guenther  <rguenth@gcc.gnu.org>
3900         * tree-ssa-forwprop.c (forward_propagate_addr_expr):
3901         See through ADDR_EXPR in finding place to propagate into.
3903 2005-05-26  Kazu Hirata  <kazu@cs.umass.edu>
3905         * c-common.c, c-parser.c, cfgbuild.c, cfghooks.c, cfghooks.h,
3906         cfgrtl.c, cgraphunit.c, ddg.c, expr.h, gcse.c, ggc-page.c,
3907         ggc-zone.c, gimplify.c, ipa-inline.c, longlong.h, targhooks.c,
3908         tree-flow-inline.h, tree-pass.h, tree-ssa-dse.c,
3909         tree-ssa-loop-im.c, tree-ssa-loop-ivopts.c,
3910         tree-ssa-operands.c, tree-vect-analyze.c,
3911         tree-vect-transform.c, tree-vectorizer.c, tree.c,
3912         config/arm/arm.c, config/bfin/bfin.c, config/frv/frv.c,
3913         config/frv/frv.md, config/i386/i386.c, config/i386/sse.md,
3914         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
3915         config/mcore/mcore.c, config/mips/mips.c, config/mips/mips.md,
3916         config/rs6000/darwin-ldouble.c, config/rs6000/rs6000.c,
3917         config/rs6000/rs6000.h, config/sh/sh.c, config/sh/sh.md,
3918         config/sh/ushmedia.h, config/sparc/sparc.c,
3919         config/sparc/sparc.md, config/stormy16/stormy-abi: Fix comment
3920         typos.  Follow spelling conventions.
3921         * doc/invoke.texi, doc/tm.texi, doc/tree-ssa.texi: Fix typos.
3922         Follow spelling conventions.
3924 2005-05-26  David Ung  <davidu@mips.com>
3926         * config/mips/mips.c (mips_use_ins_ext_p): New helper function
3927         that determines whether the MIPS32/64 R2 ext/ins should be used.
3928         * config/mips/mips.h (ISA_HAS_EXT_INS): New macro.
3929         * config/mips/mips.md (extzv): Changed predicate for operand to
3930         nonimmediate_operand. Add code to generate insn patterns for
3931         extzvsi and extzvdi.
3932         (extzv<mode>): New pattern to match mips32/64 r2 ext insn.
3933         (insv): Similarly for insertion.
3934         (insv<mode>): Similarly.
3936 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
3938         * simplify-rtx.c (avoid_constant_pool_reference): Support
3939         offsetted addresses in the constant pool.
3941 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
3943         * df.h (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
3944         * df.c (DF_SUBREGS, df_local_def_available_p, df_insn_modified_p): New.
3946 2005-05-26  Jakub Jelinek  <jakub@redhat.com>
3948         PR target/21716
3949         * reg-stack.c (swap_rtx_condition): Don't crash if %ax user was not
3950         found in the basic block and last insn in the basic block is not
3951         INSN_P.  Remove explicit unspec numbers that are no longer valid
3952         from comments.
3954 2005-05-26  Paolo Bonzini  <bonzini@gnu.org>
3956         * tree-vect-transform.c (vectorizable_operation): Try word_mode
3957         vectorization if UNITS_PER_WORD == UNITS_PER_SIMD_WORD, even
3958         if a vector mode is available.
3960 2005-05-25  Roger Sayle  <roger@eyesopen.com>
3962         PR middle-end/21709
3963         * fold-const.c (const_binop): Check for division by zero during
3964         complex division.
3966 2005-05-26  Ian Lance Taylor  <ian@airs.com>
3968         * reload1.c (verify_initial_elim_offsets): Add braces to avoid
3969         having a declaration after a statement.
3971 2005-05-26  Richard Sandiford  <rsandifo@redhat.com>
3973         * opt-functions.awk (var_type): New function.
3974         (var_set): Use CLVC_STRING if var_type returns "const char *".
3975         * opth-gen.awk: Use var_type to find out the types of variables.
3976         Don't print comments above each "extern" definition.
3977         * optc-gen.awk: Use var_type in the same way.
3978         * opts.h (cl_var_cond): Rename to...
3979         (cl_var_type): ...this.  Add CLVC_STRING.
3980         (cl_option): Make "flag_var" a "void *" pointer.  Replace "var_cond"
3981         with "var_type".
3982         * opts.c (handle_option, option_enabled): Update after above name
3983         change.  Cast flag_var before using it.  Handle CLVC_STRING.
3984         
3985         * config/alpha/alpha.h (alpha_tls_size): Delete.
3986         * config/alpha/alpha.c (alpha_tls_size, alpha_cpu_string)
3987         (alpha_tune_string, alpha_tp_string, alpha_fprm_string)
3988         (alpha_fptm_string, alpha_mlat_string): Delete.
3989         (alpha_handle_option): Don't set the above variables here.  Use the
3990         integer argument to check the validity of -mtls-size=.
3991         * config/alpha/alpha.opt (mcpu=, mtune=, mfp-rounding-mode=)
3992         (mfp-trap-mode=, mtrap-precision=, mmemory-latency=): Add Var()s.
3993         (mtls-size=): Likewise.  Convert to a UInteger and initialize the
3994         variable to 32.
3996         * config/arc/arc.c (arc_cpu_string, arc_text_string)
3997         (arc_data_string, arc_rodata_string): Delete.
3998         (arc_handle_option): Don't set the above variables here.
3999         * config/arc/arc.opt (mcpu=, mtext=, mdata=, mrodata=): Add Var()s
4000         and initialize them.
4002         * config/arm/arm.c (target_fpu_name, target_fpe_name)
4003         (target_float_abi_name, target_abi_name, structure_size_string)
4004         (arm_pic_register_string): Delete.
4005         (arm_handle_option): Don't set the above variables here, except
4006         in the handling of -mhard-float and -msoft-float.
4007         * config/arm/arm.opt (mabi=, mfloat-abi=, mfp=, mfpe=, mfpu=)
4008         (mpic-register=, mstructure-size-boundary=): Add Var()s.
4010         * config/avr/avr.c (avr_init_stack, avr_mcu_name, TARGET_HANDLE_OPTION)
4011         (avr_handle_option): Delete.
4012         * config/avr/avr.opt (mmcu=, minit-stack=): Add Var()s and initialize
4013         them.
4015         * config/bfin/bfin.c (bfin_library_id): Delete.
4016         (bfin_handle_option): Don't set it.
4017         * config/bfin/bfin.opt (mshared-library-id=): Add Var().
4019         * config/c4x/c4x.h (c4x_rpts_cycles): Delete.
4020         * config/c4x/c4x.c (c4x_rpts_cycles): Delete.
4021         (c4x_handle_option): Don't set c4x_rpts_cycles here.
4022         * config/c4x/c4x.opt (mrpts=): Add Var().
4024         * config/cris/aout.h (CRIS_SUBTARGET_HANDLE_OPTION): Don't set
4025         cris_elinux_stacksize_str here.
4026         * config/cris/aout.opt (melinux-stacksize=): Add Var().
4027         * config/cris/cris.h (cris_max_stackframe_str, cris_cpu_str)
4028         (cris_tune_str, cris_elinux_stacksize_str): Delete.
4029         * config/cris/cris.c (cris_max_stackframe_str, cris_cpu_str)
4030         (cris_tune_str, cris_elinux_stacksize_str): Delete.
4031         (cris_handle_option): Don't set the above variables here.
4032         * config/cris/cris.opt (mcpu=, march=, mtune=, mmax-stackframe=)
4033         (max-stackframe=): Add Var()s.
4035         * config/i386/i386.h (ix86_tune_string, ix86_arch_string): Delete.
4036         * config/i386/i386.c (ix86_cmodel_string, ix86_asm_string)
4037         (ix86_tls_dialect_string, ix86_tune_string, ix86_arch_string)
4038         (ix86_fpmath_string, ix86_regparm_string, ix86_align_loops_string)
4039         (ix86_align_jumps_string, ix86_preferred_stack_boundary_string)
4040         (ix86_branch_cost_string, ix86_align_funcs_string): Delete.
4041         (ix86_handle_option): Don't set the above variables here.
4042         * config/i386/i386.opt (malign-functions=, malign-jumps=)
4043         (malign-loops=, march=, masm=, mbranch-cost=, mcmodel=, mfpmath=)
4044         (mpreferred-stack-boundary=, mregparm=, mtls-dialect=, mtune=): Add
4045         Var()s.
4047         * config/ia64/ia64.h (ia64_tls_size): Delete.
4048         * config/ia64/ia64.c (ia64_tls_size): Delete.
4049         (ia64_handle_option): Treat -mtls-size= as a UInteger option,
4050         reading the integer argument from the "value" parameter.  Don't
4051         set ia64_tls_size here.
4052         * config/ia64/ia64.opt (mtls-size=): Turn into a UInteger option.
4053         Add Var() and Init().
4055         * config/m32r/m32r.h (m32r_cache_flush_func): Delete.
4056         (m32r_cache_flush_trap): Delete.
4057         * config/m32r/m32r.c (m32r_cache_flush_func): Delete.
4058         (m32r_cache_flush_trap): Delete.
4059         (m32r_handle_option): Don't set the above variables when handling
4060         -mflush-func= and -mflush-trap=.
4061         * config/m32r/m32r.opt (-mflush-func=, -mflush-trap=): Add Var()s
4062         and Init()s.
4064         * config/mips/mips.h (mips_cache_flush_func): Delete.
4065         * config/mips/mips.c (mips_arch_string, mips_tune_string)
4066         (mips_cache_flush_func): Delete.
4067         (mips_handle_option): Don't set the above variables when handling
4068         -march=, -mtune= and -mflush-func=.
4069         * config/mips/mips.opt (march=, mflush-func=, mtune=): Add Var()s.
4071         * config/s390/s390.c (s390_arch_string): Delete.
4072         (s390_handle_option): Don't set it here.
4073         * config/s390/s390.opt (march=): Add Var().
4075         * config/sparc/sparc.h (sparc_cmodel_string): Delete.
4076         * config/sparc/sparc.c (sparc_cmodel_string): Delete.
4077         (sparc_handle_option): Don't set it here.
4078         * config/sparc/sparc.opt (mcmodel=): Add Var().
4080 2005-05-25  Roger Sayle  <roger@eyesopen.com>
4082         * convert.c (convert_to_integer) <POINTER_TYPE>: Avoid recursive
4083         call to convert_to_integer by building the NOP_EXPR directly.
4085 2005-05-25  Richard Sandiford  <rsandifo@redhat.com>
4087         * config/rs6000/rs6000.opt (mprioritize-restricted-insns=): Fix typo.
4089 2005-05-25  Daniel Berlin  <dberlin@dberlin.org>
4090             Jeff Law  <law@redhat.com>
4092         * tree-cfg.c (verify_expr, case ADDR_EXPR): Verify invariant,
4093         constant and side_effects of the ADDR_EXPR are consistent.
4095         * tree-nested.c (convert_local_reference): Set CURRENT_FUNCTION_DECL
4096         appropriately around calls to recompute_tree_invarant_for_addr_expr.
4098 2005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>
4100         * config/s390/s390.c (GP_ARG_NUM_REG, FP_ARG_NUM_REG): New defines.
4101         (s390_function_arg, s390_gimplify_va_arg): Use them.
4102         (s390_register_info): Save only required subset of argument
4103         registers into save area for va_list.
4104         (s390_va_start): Initialize only required elements of va_list struct.
4105         (s390_build_builtin_va_list): Set va_list_[gf]pr_counter_field.
4107 2005-05-25  Ulrich Weigand  <uweigand@de.ibm.com>
4109         * reload1.c (verify_initial_elim_offsets): Return boolean status
4110         instead of aborting.
4111         (reload): Adapt verify_initial_elim_offsets call site.  Restart
4112         main loop if some initial elimination offsets changed.
4114 2005-05-25  Adam Nemet  <anemet@lnxw.com>
4116         * config/rs6000/lynx.h (CC1_SPEC): Use -maix-struct-return instead
4117         of -mno-svr4-struct-return.
4119 2005-05-25  Daniel Berlin  <dberlin@dberlin.org>
4121         Fix PR tree-optimization/21705
4122         
4123         * tree-ssa-pre.c (in_fre): New static variable.
4124         (create_value_expr_from): Recursively value number reference ops
4125         in argument lists.
4126         (can_value_number_call): Temporary restrict only exists for
4127         PRE, not FRE.
4129 2005-05-25  Kazu Hirata  <kazu@cs.umass.edu>
4131         * tree-into-ssa.c (rewrite_into_ssa, update_ssa): Replace
4132         sizeof (bitmap *) with sizeof (bitmap).
4134 2005-05-25  Daniel Berlin <dberlin@dberlin.org>
4136         * lambda-code.c (perfect_nestify): Call update_stmt on the exit
4137         condition.
4139 2005-05-25  Adrian Straetling  <straetling@de.ibm.com>
4141         * config/s390/s390.c (TARGET_INSN_VALID_WITHIN_DOLOOP): Set to
4142         hook_bool_rtx_true.
4144 2005-05-25  Jan Hubicka  <jh@suse.cz>
4146         * Makefile.in (ipa-inline.o): Add COEVERAGE_H dependency.
4147         * cgraph.c (cgraph_create_node): Reset estimated_growth.
4148         * cgraph.h (cgraph_global_info): Add estimated_growth.
4149         * ipa-inline.c: Include coverage.h
4150         (max_insns, max_count): New static variables.
4151         (cgraph_estimate_size_after_inlining): Cache the result.
4152         (cgraph_estimate_growth):
4153         * passes.c (rest_of_clean_state): Kill coverage_end_function.
4154         * timevar.def (TV_INLINE_HEURISTICS): New timevar.
4155         * tree-optimize.c (init_tree_optimization_passes): Move profiling before
4156         inlining.
4157         (ipa_passes): Initialize bitmaps.
4159 2005-05-25  Adrian Straetling  <straetling@de.ibm.com>
4161         * loop-doloop.c: Include "target.h". 
4162           (doloop_valid_p): Move tests to function in targhooks.c.
4163         * target.h (struct gcc_target): New target hook
4164           "insn_valid_within_doloop".
4165         * target-def.h: Define default value for "insn_valid_within_doloop".
4166           (TARGET_INITIALIZER): Insert new target hook into initializer.
4167         * targhooks.c (default_insn_valid_within_doloop): New function.
4168         * targhooks.h (default_insn_valid_within_doloop): Declare.
4169         * hooks.c (hook_bool_rtx_true): New function.
4170         * hooks.h (hook_bool_rtx_true): Declare.
4171         * doc/tm.texi: Add documentation for new target hook.
4173 2005-05-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
4175         PR target/21412
4176         * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): New macro
4177         * config/sparc/sparc-protos.h (tls_symbolic_operand): Delete.
4178         (sparc_tls_referenced_p): New prototype.
4179         * config/sparc/sparc.c (tls_symbolic_operand): Delete.
4180         (sparc_expand_move): Look for TLS addresses with constant offsets.
4181         (legitimate_constant_p): Use SPARC_SYMBOL_REF_TLS_P instead of
4182         tls_symbolic_operand.
4183         (legitimate_pic_operand_p): Likewise.
4184         (legitimate_address_p): Likewise.
4185         (legitimize_address): Likewise.
4186         (sparc_tls_symbol_ref_1): New function.
4187         (sparc_tls_referenced_p): New function.
4188         * config/sparc/predicates.md (tgd_symbolic_operand): Use
4189         SYMBOL_REF_TLS_MODEL instead of tls_symbolic_operand.
4190         (tld_symbolic_operand): Likewise.
4191         (tie_symbolic_operand): Likewise.
4192         (tle_symbolic_operand): Likewise.
4194 2005-05-24  DJ Delorie  <dj@redhat.com>
4195         
4196         * common.opt (-Wattributes): New.  Default true.
4197         * doc/invoke.texi (-Wno-attributes): Document.
4198         
4199         * attribs.c (decl_attributes): Move warning control from if() to
4200         warning(OPT_*).
4201         * c-common.c (handle_packed_attribute): Likewise.
4202         (handle_nocommon_attribute): Likewise.
4203         (handle_common_attribute): Likewise.
4204         (handle_noreturn_attribute): Likewise.
4205         (handle_noinline_attribute): Likewise.
4206         (handle_always_inline_attribute): Likewise.
4207         (handle_used_attribute): Likewise.
4208         (handle_unused_attribute): Likewise.
4209         (handle_const_attribute): Likewise.
4210         (handle_transparent_union_attribute): Likewise.
4211         (handle_constructor_attribute): Likewise.
4212         (handle_destructor_attribute): Likewise.
4213         (handle_mode_attribute): Likewise.
4214         (handle_alias_attribute): Likewise.
4215         (handle_visibility_attribute): Likewise.
4216         (handle_tls_model_attribute): Likewise.
4217         (handle_malloc_attribute): Likewise.
4218         (handle_returns_twice_attribute): Likewise.
4219         (handle_pure_attribute): Likewise.
4220         (handle_deprecated_attribute): Likewise.
4221         (handle_vector_size_attribute): Likewise.
4222         (handle_nothrow_attribute): Likewise.
4223         (handle_cleanup_attribute): Likewise.
4224         (handle_warn_unused_result_attribute): Likewise.
4225         (handle_sentinel_attribute): Likewise.
4226         * c-decl.c (diagnose_mismatched_decls): Likewise.
4227         (start_decl): Likewise.
4228         (grokdeclarator): Likewise.
4229         (start_function): Likewise.
4230         * c-format.c (check_function_format): Likewise.
4231         * stor-layout.c (place_field): Likewise.
4232         (finalize_record_size): Likewise.
4233         * tree.c (handle_dll_attribute)): Likewise.
4234         * varasm.c (default_assemble_visibility): Likewise.
4235         * config/darwin.c (darwin_handle_weak_import_attribute): Likewise.
4236         (darwin_assemble_visibility): Likewise.
4237         * config/arc/arc.c (arc_handle_interrupt_attribute): Likewise.
4238         * config/arm/arm.c (arm_handle_fndecl_attribute): Likewise.
4239         (arm_handle_isr_attribute): Likewise.
4240         * config/avr/avr.c (avr_handle_progmem_attribute): Likewise.
4241         (avr_handle_fndecl_attribute): Likewise.
4242         * config/bfin/bfin.c (handle_int_attribute): Likewise.
4243         * config/c4x/c4x.c (c4x_handle_fntype_attribute): Likewise.
4244         * config/h8300/h8300.c (h8300_handle_fndecl_attribute): Likewise.
4245         (h8300_handle_eightbit_data_attribute): Likewise.
4246         (h8300_handle_tiny_data_attribute): Likewise.
4247         * config/i386/i386.c (ix86_handle_cdecl_attribute): Likewise.
4248         (ix86_handle_regparm_attribute): Likewise.
4249         (ix86_handle_struct_attribute): Likewise.
4250         * config/i386/winnt.c (ix86_handle_shared_attribute): Likewise.
4251         (i386_pe_encode_section_info): Likewise.
4252         * config/ia64/ia64.c (ia64_handle_model_attribute): Likewise.
4253         * config/ip2k/ip2k.c (ip2k_handle_progmem_attribute): Likewise.
4254         (ip2k_handle_fndecl_attribute): Likewise.
4255         * config/m32r/m32r.c (m32r_handle_model_attribute): Likewise.
4256         * config/m68hc11/m68hc11 (m68hc11_handle_page0_attribute): Likewise.
4257         (m68hc11_handle_fntype_attribute): Likewise.
4258         (m68hc11_encode_section_info): Likewise.
4259         * config/m68k/m68k.c (m68k_handle_fndecl_attribute): Likewise.
4260         * config/mcore/mcore.c (mcore_handle_naked_attribute): Likewise.
4261         * config/ns32k/ns32k.c (ns32k_handle_fntype_attribute): Likewise.
4262         * config/rs6000/rs6000.c (rs6000_handle_longcall_attribute): Likewise.
4263         * config/sh/sh.c (sh_handle_interrupt_handler_attribute): Likewise.
4264         (sh_handle_sp_switch_attribute): Likewise.
4265         (sh_handle_trap_exit_attribute): Likewise.
4266         * config/sh/symbian.c (sh_symbian_dllimport_p): Likewise.
4267         (sh_symbian_handle_dll_attribute): Likewise.
4268         * config/stormy16/stormy16.c (xstormy16_handle_interrupt_attribute): Likewise.
4269         (xstormy16_handle_below100_attribute): Likewise.
4270         * config/v850/v850.c (v850_handle_interrupt_attribute): Likewise.
4272         * c-common.c (unsigned_conversion_warning): Move warning control
4273         from if() to warning(OPT_*).
4274         (c_common_truthvalue_conversion): Likewise.
4275         (c_do_switch_warnings): Likewise.
4276         * c-decl.c (diagnose_mismatched_decls): Likewise.
4277         (diagnose_mismatched_decls): Likewise.
4278         (define_label): Likewise.
4279         (grokdeclarator): Likewise.
4280         * c-format.c (check_format_info): Likewise.
4281         * c-lex.c (interpret_integer): Likwise.
4282         (lex_string): Likewise.
4283         * c-opts.c (c_common_post_options): Likewise.
4284         * c-parser.c (c_parser_unary_expression): Likewise.
4285         * c-pragma.c (handle_pragma_redefine_extname): Likewise.
4286         (handle_pragma_extern_prefix): Likewise.
4287         * c-typeck.c (build_binary_op): Likewise.
4288         * gcse.c (is_too_expensive): Likewise.
4289         * opts.c (decode_options): Likewise.
4290         * stor-layout.c (place_field): Likewise.
4291         * tree-cfg.c (remove_bb): Likewise.
4293         * c.opt (-Wreturn-type): Add Var(warn_return_type).
4294         * flags.h (warn_return_type): Remove.
4295         * toplev.c (warn_return_type): Likewise.
4297 2005-05-24  Kelley Cook  <kcook@gcc.gnu.org>
4299         * configure.ac: Don't use gcc_AC_C_LONG_LONG.  Check for
4300         existence of long long and __int64 before determining their size.
4301         * aclocal.m4: Delete gcc_AC_C_LONG_LONG.
4302         * configure, config.h.in:  Regenerate.
4304 2005-05-24  Kelley Cook  <kcook@gcc.gnu.org>
4306         * configure: Regenerate.
4308 2005-05-24  Ziemowit Laski  <zlaski@apple.com>
4310         * c-common.h (objc_comptypes): Remove prototype.
4311         (objc_compare_types): New prototype.
4312         (objc_volatilized_decl): Likewise.
4313         (objc_type_quals_match): Likewise.
4314         * c-decl.c (objc_mark_locals_volatile): Streamline by calling
4315         objc_volatilize_decl().
4316         * c-typeck.c (comp_target_types): Remove third parameter; do
4317         not call objc_comptypes().
4318         (comptypes): Remove calls to objc_comptypes().
4319         (build_function_call): Extend compatible prototype check to ObjC.
4320         (build_conditional_expr): Adjust call to comp_target_types().
4321         (convert_for_assignment): Call objc_compare_types() instead of
4322         objc_comptypes(); adjust calls to comp_target_types(); call
4323         objc_type_quals_match() before issuing qualifier mismatch
4324         warnings.
4325         (build_binary_op): Call objc_compare_types() before issuing
4326         pointer mismatch warnings; adjust calls to
4327         comp_target_types().
4328         * stub-objc.c (objc_comptypes): Remove stub.
4329         (objc_compare_types): New stub.
4330         (objc_volatilized_decl): Likewise.
4331         (objc_type_quals_match): Likewise.
4333 2005-05-24  Paolo Carlini  <pcarlini@suse.de>
4335         * config/ia64/ia64intrin.h: Define nothing for C++:
4336         overloaded builtins have been ported to C++.
4338 2005-05-24  Jeff Law  <law@redhat.com>
4340         * tree-nested.c (build_addr): New "context" argument.  Temporarily
4341         set current_function_decl around the call to build the ADDR_EXPR.
4342         (get_static_chain): Pass proper context to build_addr.
4343         (convert_nl_goto_reference): Likewise.
4344         (convert_tramp_reference): Likewise.
4345         (final_nesting_tree_1): Likewise.
4346         * tree-profile.c (tree_gen_interval_profiler): Likewise.
4347         (tree_gen_pow2_profiler): Likewise.
4348         (tree_gen_one_value_profiler): Likewise.
4349         * tree-ssa-loop-ivopts.c (build_addr_strip_iref): Likewise.
4350         * tree.h (build_addr): Update prototype.
4352 2005-05-24  Kazu Hirata  <kazu@cs.umass.edu>
4354         * tree-flow.h (bb_ann_d): Remove has_escape_site.
4355         * tree-ssa-alias.c (compute_points_to_addr_escape): Don't
4356         write to has_escape_site.
4358 2005-05-24  Jeff Law  <law@redhat.com>
4360         * Makefile.in (tree-cfg.o): Depend on tree-ssa-propagate.h.
4361         * tree-cfg.c: Include tree-ssa-propagate.h.
4362         (replace_uses_by): Call recompute_tree_invarant_for_addr_expr as
4363         needed.
4365 2005-05-24  Nick Clifton  <nickc@redhat.com>
4367         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4368         __NO_FPRS__ when 'f' class registers will not be available. 
4370 2005-05-24  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
4372         * config/m32r/m32r.c (m32r_expand_block_move):  Return 0 if
4373         nothing was done.
4374         * config/m32r/m32r.md (movmemsi):  If m32r_expand_block_move did
4375         nothing then FAIL.
4376         * config/m32r/m32r/m32r-protos.h  (m32r_expand_block_move): Update
4377         prototype.
4379 2005-05-23  Jeff Law  <law@redhat.com>
4381         * tree-ssa-dom.c (cprop_into_stmt): Do not call
4382         recompute_tree_invariant_for_addr_expr here.
4383         (optimize_stmt): Call it here instead and do so if anything
4384         at all has changed in the statement and the RHS is an ADDR_EXPR.
4385         * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr): If
4386         needed, call recompute_tree_invariant_for_addr_expr.
4387         * tree-ssa-propagate.c (substitute_and_fold): Call
4388         recompute_tree_invariant_for_addr_expr as needed.
4390 2005-05-23  Andreas Krebbel  <krebbel1@de.ibm.com>
4392         * config/s390/s390.c (s390_optimize_prologue): Don't replace an insn
4393         saving less registers than the replacement.
4395 2005-05-23  Jan Hubicka  <jh@suse.cz>
4397         * tree-flow.h (stmt_ann_d): Kill GTY ((skip)) mark on BB.
4399 2005-05-23  Eric Botcazou  <ebotcazou@libertysurf.fr>
4401         * config/sparc/sparc-protos.h (sparc_expand_move): New prototype.
4402         * config/sparc/sparc.c (sparc_expand_move): New function.
4403         (sparc_emit_set_const64): Rewrite assert condition on entry.
4404         (legitimate_constant_p) <CONST_VECTOR>: New case.
4405         (legitimize_pic_address): Use TARGET_ARCH64 to select the mode.
4406         * config/sparc/sparc.md (movqi, movhi, movsi, movdi, movV32,
4407         movV64, movtf): Use nonimmediate_operand for the first operand.
4408         Rewrite.  Only invoke sparc_expand_move.
4409         * config/sparc/predicates.md (input_operand): Reorder tests.
4411 2005-05-23  Jan Beulich  <jbeulich@novell.com>
4413         * gthr-posix.h (__gthread_recursive_mutex_init_function): Add
4414         missing return statement.
4416 2005-05-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
4418         * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Use
4419         emit_move_insn for moves to TFmode stack slots.
4421 2005-05-21  Richard Guenther  <rguenth@gcc.gnu.org>
4423         * tree-stdarg.c (execute_optimize_stdarg): Handle references
4424         to va_list of the form &va[0].
4426 2005-05-20  Jan Hubicka  <jh@suse.cz>
4428         * Makefile.in (insn-emit.o): Add basic-block.h dependency.
4429         * genemit.c (main): Make insn-emit to include basic-block.h too.
4431 2005-05-20  Jan Hubicka  <jh@suse.cz>
4433         * cgraphunit.c (cgraph_expand_function): Force function being lowered.
4435 2005-05-19  Richard Henderson  <rth@redhat.com>
4437         * config/alpha/alpha.c (emit_unlikely_jump, emit_load_locked,
4438         emit_store_conditional): Split out from ...
4439         (alpha_split_atomic_op): ... here.
4440         (alpha_split_compare_and_swap): New; extract from .md file.
4441         (alpha_split_lock_test_and_set): Likewise.
4442         * config/alpha/alpha-protos.h: Update.
4443         * config/alpha/sync.md (sync_compare_and_swap<I48MODE>): Move
4444         split code into alpha.c.
4445         (sync_lock_test_and_set<I48MODE>): Likewise.
4447 2005-05-19  Richard Henderson  <rth@redhat.com>
4449         * unwind.h, unwind-pe.h: Revert gcc_unreachable change of 05-17.
4451 2005-05-19  Richard Henderson  <rth@redhat.com>
4453         * config/i386/sse.md (mulv4si3): Use all register inputs.
4454         (mulv2di3): Likewise.
4456 2005-05-19  Richard Guenther  <rguenth@gcc.gnu.org>
4458         * tree-ssa-loop-ivopts.c (determine_base_object): Use
4459         build_fold_addr_expr to generate trees of correct type.
4460         Use fold_buildN if possible.
4462 2005-05-19  Jan Hubicka  <jh@suse.cz>
4464         * basic-block.h (REG_BR_PROB_BASE): Define.
4465         * cgraph.c (cgraph_create_edge): Initialize loop_nest and count.
4466         (dump_cgraph_node): Dump count.
4467         (cgraph_clone_edge): Rescale counts.
4468         (cgraph_clone_node): Likewise.
4469         * cgraph.h: Include basic-block.h
4470         (cgraph_node): Add count.
4471         (cgraph_edge): Add count and loop_nest.
4472         (cgraph_node, cgraph_edge, cgraph_clone_edge, cgraph_clone_node):
4473         Update prototypes.
4474         * cgraphunit.c: Kill now redundant inlining comment.
4475         (cgraph_create_edges): Make static, maintain current basic block;
4476         fix pasto.
4477         (record_call_1): Fill in new fields.
4478         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
4479         cgraph_clone_node.
4480         (cgraph_decide_recursive_inlining): Likewise.
4481         * rtl.h (REG_BR_PROB_BASE): Kill.
4482         * tree-inline.c (copy_body_r): Update call of cgraph_clone_edge.
4483         (expand_call_inline): Update call of cgraph_create_edge.
4484         * tree-optimize.c (tree_rest_of_compilation): Likewise.
4486 2005-05-19  Nick Clifton  <nickc@redhat.com>
4488         * config/rs6000/eabispe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Use the
4489         new rs6000_explicit_options structure.
4491 2005-05-19  Richard Henderson  <rth@redhat.com>
4493         PR target/21390
4494         * config/alpha/alpha.c (alpha_emit_conditional_branch): Move 
4495         TFmode code swapping ...
4496         (alpha_emit_xfloating_compare): ... here.
4497         (alpha_emit_setcc): Update to match.
4498         (alpha_lookup_xfloating_lib_func): Assert TARGET_HAS_XFLOATING_LIBS.
4500 2005-05-19  Richard Henderson  <rth@redhat.com>
4502         PR target/21657
4503         * config/ia64/ia64.c (ia64_expand_tls_address): Remove extra
4504         memory indirection in local-dynamic case.
4506 2005-05-18  Jie Zhang  <jie.zhang@analog.com>
4507             Bernd Schmidt  <bernd.schmidt@analog.com>
4509         * config/bfin/bfin.c (branch_dest): Add comment why it's
4510         necessary.
4511         * config/bfin/bfin.md (attr "length" default): Change the offset of
4512         forward conditional branch of length 4 from 4096 to 4092.
4514 2005-05-19  Jan Beulich  <jbeulich@novell.com>
4516         * unwind-compat.c: Include tconfig.h and tsystem.h.
4517         * unwind-dw2-fde-compat.c: Likewise.
4519 2005-05-18  Richard Henderson  <rth@redhat.com>
4521         PR 21541
4522         * ifcvt.c (noce_process_if_block): Avoid conversion when the
4523         memory destination is readonly.
4525 2005-05-18  Richard Henderson  <rth@redhat.com>
4527         PR 21541
4528         * tree-ssa-operands.c (opf_non_specific): New.
4529         (get_asm_expr_operands): Set it.
4530         (add_call_clobber_ops, add_call_read_ops): Likewise.
4531         (add_stmt_operand): Test it instead of opf_kill_def when
4532         considering unmodifiable variables.
4534         * tree-ssa-operands.c (get_expr_operands): Fix exact test.
4536 2005-05-19  Kazu Hirata  <kazu@cs.umass.edu>
4538         * cfgexpand.c, tree-cfg.c, tree-inline.c, tree-optimize.c,
4539         tree-ssa-forwprop.c: Fix comment typos.
4540         * doc/invoke.texi: Fix a typo.
4542 2005-05-18  Richard Henderson  <rth@redhat.com>
4544         * config.gcc (powerpc-*-linux*): Include linux64.opt when
4545         including linux64.h.
4547 2005-05-18  Richard Henderson  <rth@redhat.com>
4549         * tree-cfg.c (pass_remove_useless): Revert last change.
4550         * tree-optimize.c (init_tree_optimization_passes): Initialize
4551         all_lowering_passes with PROP_gimple_any.
4553 2005-05-18  Devang Patel  <dpatel@apple.com>
4555         * config/rs6000/rs6000.md (insvsi_internal1): Subtract shift from
4556         the mask end.
4557         
4558 2005-05-18  Richard Henderson  <rth@redhat.com>
4560         * tree-ssa-forwprop.c (cfg_changed): New.
4561         (tidy_after_forward_propagate_addr): New.
4562         (forward_propagate_addr_expr): Use it, and fold_stmt_inplace.
4563         (forward_propagate_addr_into_variable_array_index): Likewise.
4564         (tree_ssa_forward_propagate_single_use_vars): Cleanup cfg if
4565         edges were removed.
4567 2005-05-18  Geoffrey Keating  <geoffk@apple.com>
4569         * dummy-checksum.c: New.
4570         * genchecksum.c: New.
4571         * c.opt (print_pch_checksum): New flag.
4572         * c-pch.c (struct c_pch_validity): Make much shorter.
4573         (no_checksum): New.
4574         (host_machine): Remove.
4575         (target_machine): Remove.
4576         (get_ident): Change PCH version number.
4577         (pch_init): When -fverbose-asm, print out the compiler fingerprint.
4578         Don't put triplets or version string in PCH validity data.
4579         Do put the compiler checksum in the validity data.
4580         (c_common_valid_pch): Don't check triplets or version string.  Do
4581         check checksum.
4582         (c_common_print_pch_checksum): New.
4583         * c-opts.c (c_common_handle_option): Add OPT_print_pch_checksum.
4584         Print fingerprint with -v.
4585         * c-common.h (c_common_print_pch_checksum): New.
4586         (executable_checksum): New.
4587         * Makefile.in (STAGEMOVESTUFF): Add cc1*-dummy, *-checksum.c.
4588         (cc1-dummy): New rule.
4589         (cc1-checksum.c): New rule.
4590         (cc1-checksum.o): New rule.
4591         (cc1): Add checksum support.
4592         (build/genchecksum): New.
4593         (build/genchecksum.o): New.
4594         (dummy-checksum.o): New.
4595         (genobjnames): Add genchecksum.o.
4596         (mostlyclean): Remove *-checksum.c.
4597         (gnucompare): Add libgcc to list of directories checked.
4598         Make comparison problems in libgcc/ and with checksum files only
4599         be warnings.
4600         * doc/invoke.texi (Precompiled Headers): Remove caution.
4601         Document that it must be the exact same binary.  Add a few
4602         known-safe flags to the list.
4604         * rs6000/predicates.md (fix_trunc_dest_operand): New.
4605         * rs6000/rs6000.md (fix_truncdfsi2): Use fix_trunc_dest_operand.
4606         Check that a memory operand is valid before trying to use it.
4607         
4608         * tree-cfg.c (pass_remove_useless): This pass works on trees.
4610 2005-05-18  Richard Guenther  <rguenth@gcc.gnu.org>
4612         * tree.c (build1_stat): Don't try to handle two-operand
4613         tree codes.
4615 2005-05-18  Richard Sandiford  <rsandifo@redhat.com>
4617         * config.gcc (sh*-*-*): Define SUPPORT_* macros to 1.
4618         * config/sh/sh.h: Update mask names throughout.
4619         (target_flags, ISIZE_BIT, DALIGN_BIT, SH1_BIT, SH2_BIT, SH3_BIT)
4620         (SH_E_BIT, HARD_SH4_BIT, FPU_SINGLE_BIT, SH4_BIT, SH4A_BIT, FMOVD_BIT)
4621         (SH5_BIT, SPACE_BIT, BIGTABLE_BIT, RELAX_BIT, USERMODE_BIT)
4622         (HITACHI_BIT, NOMACSAVE_BIT, PREFERGOT_BIT, PADSTRUCT_BIT)
4623         (LITTLE_ENDIAN_BIT, IEEE_BIT, SAVE_ALL_TR_BIT, HARD_SH2A_BIT)
4624         (HARD_SH2A_DOUBLE_BIT, INDEXED_ADDRESS_BIT, PT_FIXED_BIT)
4625         (INVALID_SYMBOLS_BIT, ADJUST_UNROLL_BIT, TARGET_DUMPISIZE)
4626         (TARGET_ALIGN_DOUBLE, TARGET_SH1, TARGET_SH2, TARGET_SH3)
4627         (TARGET_HARD_SH4, TARGET_FPU_SINGLE, TARGET_SH5, TARGET_FMOVD)
4628         (TARGET_IEEE, TARGET_SMALLCODE, TARGET_BIGTABLE, TARGET_RELAX)
4629         (TARGET_HITACHI, TARGET_NOMACSAVE, TARGET_PADSTRUCT)
4630         (TARGET_LITTLE_ENDIAN, TARGET_USERMODE, TARGET_PREFERGOT)
4631         (TARGET_SAVE_ALL_TARGET_REGS, TARGET_ALLOW_INDEXED_ADDRESS)
4632         (TARGET_PT_FIXED, TARGET_INVALID_SYMBOLS, TARGET_ADJUST_UNROLL)
4633         (TARGET_SWITCH_SH1, TARGET_SWITCH_SH2, TARGET_SWITCH_SH2E)
4634         (TARGET_SWITCH_SH2A, TARGET_SWITCH_SH2A_SINGLE_ONLY)
4635         (TARGET_SWITCH_SH2A_SINGLE, TARGET_SWITCH_SH2A_NOFPU)
4636         (TARGET_SWITCH_SH3, TARGET_SWITCH_SH3E, TARGET_SWITCH_SH4_SINGLE_ONLY)
4637         (TARGET_SWITCH_SH4_SINGLE, TARGET_SWITCH_SH4_NOFPU, TARGET_SWITCH_SH4)
4638         (TARGET_SWITCH_SH4A, TARGET_SWITCH_SH4A_SINGLE_ONLY)
4639         (TARGET_SWITCH_SH4A_SINGLE, TARGET_SWITCH_SH4A_NOFPU)
4640         (TARGET_SWITCH_SH4AL, TARGET_SWITCH_SH5_64MEDIA)
4641         (TARGET_SWITCH_SH5_64MEDIA_NOFPU, TARGET_SWITCHES_SH5_32MEDIA)
4642         (TARGET_SWITCHES_SH5_32MEDIA_NOFPU, TARGET_SWITCH_SH5_32_ANY_EXTRA)
4643         (TARGET_SWITCH_SH5_MEDIA_ANY_EXTRA, TARGET_SWITCHES)
4644         (SUBTARGET_SWITCHES): Delete.
4645         (TARGET_SH2E, TARGET_SH2A, TARGET_SH2A_SINGLE, TARGET_SH2A_DOUBLE)
4646         (TARGET_SH3E, TARGET_CACHE32, TARGET_SUPERSCALAR, TARGET_HARVARD)
4647         (TARGET_FPU_DOUBLE, TARGET_SH4A_ARCH, TARGET_SHMEDIA32)
4648         (TARGET_SHMEDIA64): Redefine using other TARGET_* macros.
4649         (TARGET_SH4): Undefine options.h definition and check MASK_SH1 as well.
4650         (SUPPORT_SH1, SUPPORT_SH2E, SUPPORT_SH4, SUPPORT_SH4_SINGLE)
4651         (SUPPORT_SH2A, SUPPORT_SH2A_SINGLE): Make numeric.
4652         (SUPPORT_SH2): Define to 1 if SUPPORT_SH1.
4653         (SUPPORT_SH3): Likewise SUPPORT_SH2.
4654         (SUPPORT_SH4_NOFPU): Likewise SUPPORT_SH3.
4655         (SUPPORT_SH4A_NOFPU, SUPPORT_SH4AL, SUPPORT_SH2A_NOFPU): Likewise
4656         SUPPORT_SH4_NOFPU.
4657         (SUPPORT_SH3E): Likewise SUPPORT_SH2E.
4658         (SUPPORT_SH4_SINGLE_ONLY, SUPPORT_SH4A_SINGLE_ONLY)
4659         (SUPPORT_SH2A_SINGLE_ONLY): Likewise SUPPORT_SH3E.
4660         (SUPPORT_SH4A): Likewise SUPPORT_SH4.
4661         (SUPPORT_SH4A_SINGLE): Likewise SUPPORT_SH4_SINGLE.
4662         (SUPPORT_SH5_32MEDIA): Likewise SUPPORT_SH5_COMPACT.
4663         (SUPPORT_SH5_32MEDIA_NOFPU): Likewise SUPPORT_SH5_COMPACT_NOFPU.
4664         (SUPPORT_ANY_SH5_32MEDIA, SUPPORT_ANY_SH5_64MEDIA)
4665         (SUPPORT_ANY_SH5): New macros.
4666         (TARGET_NONE): Replace with...
4667         (MASK_ARCH): ...this new macro.
4668         * config/sh/elf.h: Update mask names
4669         * config/sh/linux.h: Likewise.
4670         * config/sh/little.h: Likewise.
4671         * config/sh/netbsd-elf.h: Likewise.
4672         * config/sh/symbian-pre.h: Likewise.
4673         * config/sh/sh.c (sh_handle_option): New function.
4674         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4675         (calc_live_regs): Use MASK_FPU_SINGLE instead of FPU_SINGLE_BIT.
4676         (sh_target_switches, target_switches): Delete.
4677         (sh_pch_valid_p): Check for specific differences in the target_flags
4678         settings.
4679         (sh_init_cumulative_args): Use MASK_HITACHI instead of HITACHI_BIT.
4680         * config/sh/sh.opt: New file.
4682 2005-05-18  Richard Henderson  <rth@redhat.com>
4684         PR target/21632
4685         * config/ia64/ia64.c (ia64_extra_constraint) <'T'>: Use
4686         small_addr_symbolic_operand.
4688 2005-05-18  Jeff Law  <law@redhat.com>
4690         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
4691         propagate an ADDR_EXPR if the definition and use sites are
4692         in different EH regions.
4694 2005-05-18  Ian Lance Taylor  <ian@airs.com>
4696         * read-rtl.c (mode_attr_index): Use obstack_grow0, not
4697         obstack_grow.
4699 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
4701         * cfgrtl.c (purge_dead_edges): Don't remove fake edges.
4703 2005-05-18  Daniel Berlin  <dberlin@dberlin.org>
4704         
4705         Fix PR tree-optimization/21407
4707         * tree-ssa-operands.c (note_addressable): Change
4708         COMPONENT_REF handling in response to aliasing
4709         discussion.
4711 2005-05-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
4713         * config/sparc/sol2.h (TARGET_DEFAULT): Add back MASK_APP_REGS.
4714         * config/sparc/sol2-64.h (TARGET_DEFAULT): Likewise.
4715         * config/sparc/sp-elf.h (TARGET_DEFAULT): Delete.
4716         * doc/invoke.texi (SPARC options): Document that -mapp-regs is
4717         the default on Solaris too.
4719 2005-05-17  Daniel Berlin  <dberlin@dberlin.org>
4721         * tree-ssa-pre.c (find_or_generate_expression): CALL_EXPR
4722         is okay too.
4724 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
4726         * timevar.def (TV_SCEV_CONST): New timevar.
4727         * tree-optimize.c (init_tree_optimization_passes): Add
4728         pass_scev_cprop.
4729         * tree-pass.h (pass_scev_cprop): Declare.
4730         * tree-scalar-evolution.c (scev_const_prop): New function.
4731         * tree-scalar-evolution.h (scev_const_prop): Declare.
4732         * tree-ssa-loop.c (gate_scev_const_prop, pass_scev_cprop):
4733         New.
4734         * tree-cfg.c (replace_uses_by): Export.
4735         * tree-flow.h (replace_uses_by): Declare.
4737 2005-05-17  Ziemowit Laski  <zlaski@apple.com>
4738             Mike Stump  <mrs@apple.com>
4740         Yet more Objective-C++...
4742         * c-common.h (objc_finish_try_stmt): Add.
4743         (objc_build_synchronized): Add.
4744         (objc_generate_write_barrier): Add.
4745         * stub-objc.c (objc_build_synchronized): Add return value.
4746         (objc_finish_try_stmt): Likewise.
4747         (objc_generate_write_barrier): Add.
4749         * c-common.h (objc_rewrite_function_call): Add.
4750         * c-typeck.c (build_function_call): Allow objc to rewrite
4751         FUNCTION_DECLs.
4752         (build_modify_expr): Allow objc to generate write barriers.
4753         * c.opt (Wassign-intercept): Add.
4754         (Wstrict-selector-match): Add.
4755         (fobjc-call-cxx-cdtors): Add.
4756         (fobjc-direct-dispatch): Add.
4757         (fobjc-gc): Add.
4758         * dbxout.c (get_lang_number): Add Objective-C++ support.
4759         * doc/invoke.texi (-fobjc-call-cxx-cdtors): Likewise.
4760         (-Wstrict-selector-match): Likewise.
4761         (-fobjc-direct-dispatch): Likewise.
4762         (-Wassign-intercept): Likewise.
4763         (Overall Options): Likewise.
4764         * gengtype.c (get_output_file_with_visibility): Likewise.
4765         * stub-objc.c (objc_rewrite_function_call): Add.
4766         * config/darwin.h (ASM_OUTPUT_LABELREF): Improved quoting support.
4768         * c-common.c (flag_objc_exceptions): Remove.
4769         (flag_objc_sjlj_exceptions): Remove.
4770         * c-decl.c (objc_mark_locals_volatile): Don't change decls
4771         that are already ok.
4772         * c-opts.c (c_common_handle_option, case
4773         OPT_fobjc_exceptions): Remove.
4774         (case OPT_fobjc_sjlj_exceptions): Remove
4775         * c.opt (fobjc-call-cxx-cdtors): Have opt create the flag.
4776         (fobjc-exceptions): Likewise.
4777         (fobjc-sjlj-exceptions): Likewise.
4778         * config/rs6000/darwin.h (OFFS_MSGSEND_FAST): Add.
4779         (OFFS_ASSIGNIVAR_FAST): Add.
4780         
4781 2005-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
4783         * config/sparc/sparc.md (movhi): Do not test constness
4784         of operand #1 twice.
4785         (movsi): Likewise.
4786         (movdi): Unconditionally accept zero as second operand
4787         when the first is memory.
4788         (movdi_insn_sp32): Handle above case.
4789         (DImode splitter): Use predicates.
4790         (DImode splitter): Use const_zero_operand predicate.
4791         (movsf_insn): Swap 2 alternatives.
4793 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
4795         * tree-ssa-loop-ivopts.c (find_bivs, find_givs_in_stmt_scev): Apply
4796         expand_simple_operations to bases of the ivs.
4797         (tree_int_cst_sign_bit): Export.
4798         * tree-flow.h (expand_simple_operations): Declare.
4799         * tree-ssa-loop-niter.c (number_of_iterations_cond): Use
4800         tree_int_cst_sign_bit.
4801         (expand_simple_operations): Export.
4802         * tree.h (tree_int_cst_sign_bit): Declare.
4804 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
4806         * tree-cfg.c (tree_can_merge_blocks_p): Allow phi nodes in the
4807         merged block.
4808         (replace_uses_by): New function.
4809         (tree_merge_blocks): Eliminate the phi nodes in the merged block.
4810         * tree-flow.h (fold_stmt_inplace): Declare.
4811         * tree-ssa-ccp.c (fold_stmt_inplace): New function.
4812         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update dominance
4813         info after cfg cleanup.
4815 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
4817         * cfgloop.h (just_once_each_iteration_p): Declaration changed.
4818         * cfgloopanal.c (just_once_each_iteration_p): Make the loop argument
4819         const.
4821 2005-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
4823         * ggc-page.c (ggc_alloc_stat): Record amount of memory allocated.
4824         * ggc-zone.c (ggc_alloc_zone_1): Ditto.
4825         * timevar.c (timevar_ggc_mem_total): New variable.
4826         (GGC_MEM_BOUND): New constant.
4827         (get_time): Record ggc memory status.
4828         (timevar_accumulate): Accumulate amount of ggc memory.
4829         (timevar_print): Print consumption of ggc memory.
4830         * timevar.def (TV_FIND_REFERENCED_VARS, TV_TREE_REDPHI,
4831         TV_TREE_LOOP_BOUNDS, TV_TREE_LOOP_IVCANON, TV_TREE_VECTORIZATION,
4832         TV_TREE_LINEAR_TRANSFORM): Shorten strings to fit in 22 characters.
4833         * timevar.h (struct timevar_time_def): Add ggc_mem field.
4834         (timevar_ggc_mem_total): Declare.
4836 2005-05-17  Kazu Hirata  <kazu@cs.umass.edu>
4838         * tree-into-ssa.c (update_ssa): Clean up by shortening the
4839         live range of DFS.
4841 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
4843         * config/cris/cris.md (ncond, ocode, rcond): Remove separate
4844         define_code_attr.
4845         ("b<ncond:code>", "b<ocond:code>", "b<rcond:code>")
4846         ("*b<ncond:code>_reversed", "*b<ocond:code>_reversed")
4847         ("*b<rcond:code>_reversed", "s<ncond:code>", "s<rcond:code>")
4848         ("s<ocond:code>"): Rename from respectively "b<ncond>",
4849         "b<ocond>", "b<rcond>", ("*b<ncond>_reversed",
4850         "*b<ocond>_reversed", "*b<rcond>_reversed", "s<ncond>",
4851         "s<rcond>" and "s<ocond>".
4852         ("b<ocond:code>", "*b<ocond:code>_reversed")
4853         ("*b<rcond:code>_reversed"): Remove extraneous backslashes in
4854         output statement section.
4856 2005-05-17  Roger Sayle  <roger@eyesopen.com>
4858         * c-typeck.c (common_type): Also handle BOOLEAN_TYPEs.
4860 2005-05-17  Steven Bosscher  <stevenb@suse.de>
4861             Stuart Hastings <stuart@apple.com>
4862             Jan Hubicka  <jh@suse.cz>
4863             Dale Johannesen  <dalej@apple.com>
4865         * cgraph.h (cgraph_node): Add 'lowered' state.
4866         (cgraph_lower_function): Declare.
4867         * cgraphunit.c (cgraph_finalize_function): Initialize lowered flag.
4868         (cgraph_lower_function): New function.
4869         (cgraph_create_edges): Deal with lowered function bodies.
4870         (verify_cgraph_node): Likewise.
4871         (cgraph_analyze_function): Do lowering job.
4872         (cgraph_build_static_cdtor): Likewise.
4873         * function.h (struct function): Add saved_eh and saved_cfg.
4874         * integrate.c (copy_decl_for_inlining): Kill LABEL_DECL_UID field.
4875         * tree-cfg.c (fold_cond_expr_cond): Export.
4876         * tree-flow.h (fold_cond_expr_cond): Declare.
4877         * tree-inline.c: Include basic-block, ggc, tree-flow, except.h and
4878         pointer-set.
4879         (struct_inline_data): Kill fnd, first_inlined_fn, ret_label,
4880         in_target_cleanup_p, tree_pruner, tsi; add callee, caller and
4881         callee_cfun, block, eh_region, eh_region_offset.
4882         (inlining_p): New predicate.
4883         (remap_decl): Update for new inline_data; declare newly created inline
4884         vars in low gimple way.
4885         (copy_body_r): Update for new datastructure, simplify some of handling
4886         when we are in gimple; remap LABEL_DECLs for EH; copy TREE_BLOCK;
4887         deal with RESX_EXPRs.
4888         (copy_bb): New.
4889         (copy_edges_for_bb): Likewise.
4890         (remap_decl_1): New.
4891         (copy_cfg_body): New.
4892         (copy_generic_body): Rewrite to work on low gimple.
4893         (copy_body): Turn into simple wrapper around copy_cfg_body.
4894         (setup_one_parameter): Insert new statements into given basic block.
4895         (initialize_initialized_parameters): Likewise, reorganize way things are
4896         gimplified.
4897         (declare_return_variable): Update for new inline data datastructure.
4898         (inline_forbidden_p): Work on low gimple.
4899         (estimate_num_insns): Likewise.
4900         (expand_call_inline): Work on CFG.
4901         (push_cfun, pop_cfun): New functions.
4902         (cfun_stack): New stack.
4903         (add_lexical_block): New function.
4904         (gimple_expand_calls_inline): Work on basic block.
4905         (optimize_inline_calls): Likewise.
4906         (clone_body, save_body, unsave_ewpr_now): Update for new
4907         datastructures.
4908         (declare_inline_vars): Work on block instead of bind_expr.
4909         (inlining_p): New predicate.
4910         * tree-inline.h (push_cfun, pop_cfun): Declare.
4911         * tree-optimize.c: Include except.h
4912         (all_lowering_passes): New variable.
4913         (execute_fixup_cfg, pass_fixup_cfg): New pass.
4914         (init_tree_optimization_passes): Move some to all_lowering_passes.
4915         (tree_lowering_passes): New function.
4916         (tree_rest_of_compilation): Register cfg hooks; save/unsave eh.
4917         * tree-pass.h (tree_lowering_passes): Declare
4919 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
4921         * unwind-dw2-fde-darwin.c: Include tsystem.h.
4923 2005-05-17  Jeff Law  <law@redhat.com>
4925         * Makefile.in (tree-ssa-forwprop.o): Depend on langhooks.h.
4926         * tree-ssa-forwprop.c: Include langhooks.h.
4927         (forward_propagate_addr_expr_into_variable_array_index): New.
4928         (forward_propagate_addr_expr): New.
4929         (tree_ssa_forward_propagate_single_use_vars): Loop over all
4930         the statements in the block instead of just the last statement.
4931         Call forward_propagate_addr_expr as needed.
4932         (pass_forwprop): Update the SSA graph after forward propagation is
4933         complete.
4935 2005-05-17  Nathan Sidwell  <nathan@codesourcery.com>
4937         * unwind-dw2-fde-glibc.c (base_from_cb_data,
4938         _Unwind_IteratePhdrCallback): Use gcc_assert and gcc_unreachable as
4939         appropriate.
4940         * unwind-dw2-fde.c (__deregister_frame_info_bases,
4941         base_from_object, fde_split, end_fde_sort): Likewise.
4942         * unwind-dw2.c (_Unwind_GetGR, _Unwind_SetGR, execute_stack_op, 
4943         execute_cfa_program, _Unwind_SetSpColumn, uw_update_context_1,
4944         uw_init_context_1): Likewise.
4945         * unwind.inc (_Unwind_RaiseException_Phase2, _Unwind_Resume,
4946         _Unwind_Resume_or_Rethrow): Likewise.
4947         * unwind-pe.h (__gxx_abort): Do not define.
4948         (size_of_encoded_value, base_of_encoded_value,
4949         read_encoded_value_with_base): Use gcc_unreachable.
4950         * unwind.h (_Unwind_GetTextRelBase): Likewise.
4952 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
4954         * config/arm/lib1funcs.asm (cfi_pop, cfi_push, cfi_start)
4955         (cfi_end): New macros.
4956         (RETLDM): Use cfi_pop.  Expect an eight byte stack frame.
4957         (ARM_LDIV0, THUMB_LDIV0, DIV_FUNC_END): Use CFI macros.  Create
4958         an eight byte stack frame.
4959         (__NR_tkill): Define.
4960         (__div0): Use gettid tkill on GNU/Linux.
4961         (_arm_return): Add CFI.
4962         (Lchange_\register, .Lchange_lr): Create an eight byte stack frame.
4964 2005-05-17  Daniel Jacobowitz  <dan@codesourcery.com>
4966         * configure.ac: Remove spaces around assignment to
4967         gcc_cv_ld_sysroot.
4968         * configure: Regenerated.
4970 2005-05-17  David Edelsohn  <edelsohn@gnu.org>
4972         * config/rs6000/aix.h (TARGET_ALTIVEC_VRSAVE): Delete.
4973         * config/rs6000/rs6000.c (rs6000_explicit_options): Add
4974         aix_struct_ret.
4975         (rs6000_override_options): Do not protect TARGET_ALTIVEC_VRSAVE.
4976         Modify aix_struct_return variable, not target_flags.
4977         (rs6000_handle_option): Do not protect TARGET_ALTIVEC_VRSAVE.
4978         (rs6000_return_in_memory): Test aix_struct_return.
4979         * config/rs6000/rs6000.opt (maix-struct-return): Convert to
4980         independent variable.  Report mxl-compat.
4982 2005-05-17  Bernd Schmidt  <bernd.schmidt@analog.com>
4984         * config/bfin/bfin.md (eh_return): Add missing DONE.
4986 2005-05-17  Ian Lance Taylor  <ian@airs.com>
4988         * read-rtl.c (struct macro_traverse_data): Add unknown_mode_attr
4989         field.
4990         (mode_attr_index): Remove check for defined attribute.  Remove
4991         infile parameter.  Change all callers.
4992         (apply_mode_maps): Add unknown parameter.  Change caller.  Always
4993         return after finding attribute.
4994         (apply_macro_to_rtx): Add unknown_mode_attr parameter.  Change
4995         callers.
4996         (apply_macro_traverse): Set mtd->unknown_mode_attr.
4997         (read_rtx): Use mtd.unknown_mode_attr to check for an undefined
4998         attribute used for a mode.
5000 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
5002         * tree-ssa-math-opts.c: New file.
5004 2005-05-17  Paolo Bonzini  <bonzini@gnu.org>
5006         * Makefile.in: Add tree-ssa-math-opts.c.
5007         * expr.c (expand_expr_real_1) <case RDIV_EXPR>: Never emit as a*(1/b).
5008         * fold-const.c (distribute_real_division): New.
5009         (fold_binary) <case PLUS_EXPR, case MINUS_EXPR>: Use it.
5010         * tree-pass.h (pass_cse_reciprocals): New.
5011         * tree-optimize.c (init_tree_optimization_passes): Run it.
5012         * doc/passes.texi: Document the new pass.
5014 2005-05-17  Richard Guenther  <rguenth@gcc.gnu.org>
5016         PR middle-end/21595
5017         * builtins.c (fold_builtin_constant_p): Handle
5018         &"string cst"[0] as constant.
5020 2005-05-17  Richard Henderson  <rth@redhat.com>
5022         * config/i386/sse.md (mulv16qi3, mulv2di3): New.
5024 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
5026         PR middle-end/21492
5027         * cfgcleanup.c (try_crossjump_to_edge): update_forwarder_flag for
5028         src2 if src2 has been split.
5030         PR tree-optimization/21610
5031         * c-typeck.c (decl_constant_value_for_broken_optimization): If not
5032         returning DECL, call unshare_expr.
5034 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
5036         * config/cris/cris.md: Unquote preparation and output statements.
5037         (BWD, WD, BW): New, mode-macros.
5038         (S, s, m, mm, nbitsm1): New, mode-attrs.
5039         (szext, shift, shiftrt, ncond, ocond, rcond): New, code-macros.
5040         (u, su, shlr, slr, ncond, ocond, rcond, rCC, oCC, roCC): New,
5041         code-attrs.
5042         ("tst<mode>"): Replace "tstqi", "tsthi" and "tstsi".
5043         ("*cmp_ext<mode>"): Replace "*cmp_extsi" and "*cmp_exthi".
5044         ("*cmp_swapext<mode>"): Replace "*cmp_swapextqi" and
5045         "*cmp_swapexthi".
5046         ("cmp<mode>"): Replace "cmphi" and "cmpqi".
5047         ("movdi"): Move misplaced head comment regarding necessity of
5048         movdi from movsi to here.
5049         ("*mov_side<mode>_biap"): Replace "*mov_sideqi_biap" and
5050         "*mov_sidehi_biap".
5051         ("*mov_side<mode>"): Replace "*mov_sideqi" and "*mov_sidehi".
5052         ("*mov_side<mode>_biap_mem", "*mov_sidehi_biap_mem"): Replace
5053         "*mov_sideqi_biap_mem".
5054         ("*mov_side<mode>_mem"): Replace "*mov_sideqi_mem" and
5055         "*mov_sidehi_mem".
5056         ("*clear_side<mode>_biap"): Replace "*clear_sidesi_biap",
5057         "*clear_sidehi_biap" and "*clear_sideqi_biap".
5058         ("*clear_side<mode>"): Replace "*clear_sidesi", "*clear_sidehi"
5059         and "*clear_sideqi".
5060         ("*ext_side<mode>si_biap"): Replace "*ext_sideqisi_biap" and
5061         "*ext_sidehisi_biap".
5062         ("*ext_side<mode>si"): Replace "*ext_sideqisi" and
5063         "*ext_sidehisi".
5064         ("reload_in<mode>"): Replace "reload_inhi" and "reload_inqi".
5065         ("reload_out<mode>"): Replace "reload_outhi" and "reload_outqi".
5066         ("extend<mode>di2"): Replace "extendhidi2" and "extendqidi2".
5067         ("extend<mode>si2"): Replace "extendhisi2" and "extendqisi2".
5068         ("zero_extend<mode>si2"): Replace "zero_extendhisi2" and
5069         "zero_extendqisi2".
5070         ("*op_side<mode>_biap"): Replace "*op_sideqi_biap",
5071         "*op_sidehi_biap" and "*op_sidesi_biap".
5072         ("*op_side<mode>"): Replace "*op_sideqi", "*op_sidehi" and
5073         "*op_sidesi".
5074         ("*op_swap_side<mode>_biap"): Replace "*op_swap_sideqi_biap",
5075         "*op_swap_sidehi_biap" and "*op_swap_sidesi_biap".
5076         ("*op_swap_side<mode>"): Replace "*op_swap_sideqi",
5077         "*op_swap_sidehi" and "*op_swap_sidesi".
5078         ("sub<mode>3"): Replace "subhi3" and "subqi3", correcting a typo
5079         in the N alternative of "subqi3".
5080         ("*extop<mode>si_side_biap"): Replace "*extopqisi_side_biap" and
5081         "*extophisi_side_biap".
5082         ("*extop<mode>si_side"): Replace "*extopqisi_side" and
5083         "*extophisi_side".
5084         ("*extop<mode>si_swap_side_biap"): Replace
5085         "*extopqisi_swap_side_biap" and "*extophisi_swap_side_biap".
5086         ("*extop<mode>si_swap_side"): Replace "*extopqisi_swap_side" and
5087         "*extophisi_swap_side".
5088         ("*extop<mode>si"): Replace "*extopqisi" and "*extophisi".
5089         ("*extop<mode>si_swap"): Replace "*extopqisi_swap" and
5090         "*extophisi_swap".
5091         ("<u>mul<s><mode>3"): Replace "umulhisi3", "umulqihi3",
5092         "mulqihi3", "mulhisi3" and "mulhisi3".
5093         ("<u>mulsidi3"): Replace "mulsidi3" and "umulsidi3".
5094         ("<su>mulsi3_highpart"): Replace "smulsi3_highpart" and
5095         "umulsi3_highpart".
5096         ("xor<mode>3"): Replace "xorhi3" and "xorqi3".
5097         ("neg<mode>2"): Replace "negsi2", "neghi2" and "negqi2".
5098         ("one_cmpl<mode>2"): Replace "one_cmplhi2" and "one_cmplqi2".
5099         ("<shlr>si3"): Replace "ashrsi3", "lshrsi3" and "ashlsi3".
5100         ("ashr<mode>3"): Replace "ashrhi3" and "ashrqi3".
5101         ("*expanded_<shlr><mode>"): Replace "*expanded_ashrhi",
5102         "*expanded_ashrqi", "*expanded_lshrhi" and "*expanded_lshrqi".
5103         ("*<shlr><mode>_lowpart"): Replace "*ashrhi_lowpart",
5104         "*ashrqi_lowpart", "*lshrhi_lowpart" and "*lshrqi_lowpart".
5105         ("lshr<mode>3"): Replace "lshrhi3" and "lshrqi3".
5106         ("ashl<mode>3"): Replace "ashlhi3" and "ashlqi3".
5107         ("*ashl<mode>_lowpart"): Replace "*ashlqi_lowpart" and
5108         "*ashlhi_lowpart".
5109         ("abs<mode>2"): Replace "abshi2" and "absqi2".
5110         ("b<ncond>"): Replace "beq", "bne", "bgtu", "bltu", "bgeu" and
5111         "bleu".
5112         ("b<ocond>"): Replace "bgt" and "ble".
5113         ("b<rcond>"): Replace "blt" and "bge".
5114         ("*b<ncond>_reversed"): Replace "*beq_reversed", "*bne_reversed",
5115         "*bgtu_reversed", "*bltu_reversed", "*bgeu_reversed" and
5116         "*bleu_reversed".
5117         ("*b<ocond>_reversed"): Replace "*bgt_reversed" and
5118         "*ble_reversed".
5119         ("*b<rcond>_reversed"): Replace "*blt_reversed" and
5120         "*blt_reversed".
5121         ("s<ncond>"): Replace "sgeu", "sltu", "seq", "sgtu", "sleu" and
5122         "sne".
5123         ("s<rcond>"): Replace "sge" and "slt".
5124         ("s<ocond>"): Replace "sgt" and "sle".
5125         ("clear.[bwd] [rx=rx+rz.S2]"): Replace split clear.d
5126         [rx=rx+rz.S2], clear.w [rx=rx+rz.S2] and clear.b [rx=rx+rz.S2].
5127         ("clear.[bwd] [rx=rx+i]"): Replace splits clear.d [rx=rx+i],
5128         clear.w [rx=rx+i] and clear.b [rx=rx+i].
5130 2005-05-17  Jakub Jelinek  <jakub@redhat.com>
5132         * varasm.c (struct constant_descriptor_tree): Add hash field.
5133         (const_desc_hash): Just return hash field.
5134         (const_desc_eq): If hash values are different, return 0 immediately.
5135         (output_constant_def): Compute hash field of temporary key, use
5136         htab_find_slot_with_hash instead of htab_find_slot.  Set hash in
5137         newly built constant descriptor.
5138         (lookup_constant_def): Compute hash field of temporary key, use
5139         htab_find_with_hash instead of htab_find.
5141 2005-05-16  Richard Henderson  <rth@redhat.com>
5143         * config/i386/sse.md (mulv4si3): New.
5145 2005-05-17  Hans-Peter Nilsson  <hp@axis.com>
5147         * config/cris/cris.h (EXTRA_CONSTRAINT_T): Remove FIXME and
5148         tests for noncanonical versions of reg+constant and
5149         reg+reg*{1,2,4}.
5151 2005-05-16  Richard Henderson  <rth@redhat.com>
5152             Steven Bosscher <stevenb@suse.de>
5154         PR tree-opt/21399
5155         * tree-eh.c (maybe_clean_or_replace_eh_stmt): Rename from 
5156         maybe_clean_eh_stmt; take old stmt parameter.  Update EH
5157         region data structure to match replacement.
5158         * tree-flow.h: Update to match.
5159         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
5160         * tree-ssa-dom.c (optimize_stmt): Likewise.
5161         * tree-ssa-pre.c (eliminate): Likewise.
5162         * tree-ssa-propagate.c (substitute_and_fold): Likewise.
5164 2005-05-16  Caroline Tice  <ctice@apple.com>
5166         * bb-reorder.c (verify_hot_cold_block_grouping):  Replace
5167         internal_error with gcc_assert.
5168         * dwarf2out.c (dwarf2out_switch_text_section):  Likewise.
5169         * function.h (struct function): Remove space between "*" and
5170         struct field names.
5171         * varasm.c (initialize_cold_section_name):   Add gcc_assert;
5172         modify to use alloca.
5173         (unlikely_text_section): Add check for flag_function_sections.
5174         (assemble_start_function):  Move call to resolve_section, so it
5175         comes before first call to unlikely_text_section.
5176         (assemble_end_function):  Add test and call to function_section
5177         if appropriate.
5178         
5179 2005-05-16  Roger Sayle  <roger@eyesopen.com>
5181         * c-common.c (c_common_truthvalue_conversion): Use fold_build2
5182         instead of build_binary_op when performing code transformations
5183         to avoid error messages about constructs not it the user's code.
5185 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
5187         * tree-ssa-pre.c: Fix a comment typo.
5189 2005-05-16  Richard Henderson  <rth@redhat.com>
5191         PR target/21556
5192         * config/ia64/ia64.md (load_dtpmod, load_ltoff_dtpmod, load_dtprel,
5193         load_dtprel64, load_dtprel22, load_dtprel_gd, load_ltoff_dtprel,
5194         add_dtprel, add_dtprel14, add_dtprel22, load_tprel, load_tprel64,
5195         load_tprel22, load_tprel_ie, load_ltoff_tprel, add_tprel, add_tprel14,
5196         add_tprel22): Remove mode from symbolic operand.
5198 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
5200         * optc-gen.awk: Include intl.h after the externally-provided files.
5202 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
5204         * tree-ssa-copy.c (copy_prop_visit_assignment): Clean up by
5205         folding a COND_EXPR_COND in a nondestructive manner.
5207 2005-05-16  Fariborz Jahanian <fjahanian@apple.com>
5209         * config/rs6000/altivec.md (altivec_vmrghb, altivec_vmrghh, 
5210         altivec_vmrghw, altivec_vmrglb, altivec_vmrglh, altivec_vmrglw):
5211         New values for vec_select definitions and bitmask for element
5212         selection.
5213          
5214 2005-05-16  Kazu Hirata  <kazu@cs.umass.edu>
5216         * dwarf2out.c (used_rtx_varray): Rename to used_rtx_array.
5217         Change the type to VEC(rtx,gc)*.
5218         (mem_loc_descriptor, add_const_value_attributes,
5219         dwarf2out_init): Adjust uses of used_rtx_varray.
5221         * tree-data-ref.c (compute_all_dependences): Change the type
5222         of dependence_relations to VEC(ddr_p,heap)**.
5223         (compute_data_dependences_for_loop): Change the type of
5224         allrelations to VEC(ddr_p,heap)*.
5226 2005-05-16  Richard Sandiford  <rsandifo@redhat.com>
5228         * Makefile.in (options.c): Tell optc-gen.awk to include config.h,
5229         system.h, coretypes.h and tm.h.
5230         (options.o): Update dependencies accordingly.
5231         * optc-gen.awk: Allow header_name to be a list of filenames.
5232         Handle the "Condition" flag.
5233         * opts.h (CL_DISABLED): New flag.
5234         * opts.c (handle_option): Print an error for CL_DISABLED options.
5235         * doc/options.texi: Document the "Condition" option flag.
5237 2005-05-16  Paolo Bonzini  <bonzini@gnu.org>
5239         * tree-inline.c (estimate_num_insns_1): Handle VEC_COND_EXPR.
5241 2005-05-15  Roger Sayle  <roger@eyesopen.com>
5243         * tree-scalar-evolution.c (set_nb_iterations_in_loop): Only
5244         check for TREE_OVERFLOW on INTEGER_CST trees.
5245         * tree-chrec.c (chrec_convert): Only clear TREE_OVERFLOW on
5246         CONSTANT_CLASS_P tree nodes.
5248 2005-05-15  H.J. Lu  <hongjiu.lu@intel.com>
5250         PR target/21551
5251         * config/ia64/ia64.c (ia64_expand_move): Don't add addend twice.
5253 2005-05-15  Daniel Berlin  <dberlin@dberlin.org>
5254             
5255         Fix PR tree-optimization/21576
5256         
5257         * tree-ssa-pre.c (expression_node_pool): New pool.
5258         (comparison_node_pool): Ditto.
5259         (list_node_pool): Ditto.
5260         (pool_copy_list): New function.
5261         (phi_translate): Handle CALL_EXPR.
5262         (valid_in_set): Ditto.
5263         (create_expression_by_pieces): Ditto.
5264         (insert_into_preds_of_block): Ditto.
5265         (insert_aux): Ditto.
5266         (compute_avail): Ditto.
5267         (create_value_expr_from): Handle TREE_LIST and CALL_EXPR.
5268         (can_value_number_call): New function.
5269         (find_leader): Update comment.
5270         (init_pre): Create new pools.
5271         (fini_pre): Free new pools.
5272         (pass_pre): Add TODO_update_ssa for the future when we are going
5273         to need vops.
5274         * tree-vn.c (expressions_equal_p): Handle TREE_LIST.
5275         (set_value_handle): Ditto.
5276         (get_value_handle): Ditto.
5278 2005-05-15  Richard Earnshaw  <richard.earnshaw@arm.com>
5280         * arm.c (thumb_unexpanded_epilogue): Delete unused variable 'mode'.
5282 2005-05-15  Andreas Jaeger  <aj@suse.de>
5284         * gcc.c (pfatal_pexecute): Remove unused local function.
5286 2005-05-15  Richard Sandiford  <rsandifo@redhat.com>
5288         * optc-gen.awk: Remove excess indentation.
5289         * opth-gen.awk: Likewise.
5291 2005-05-14  Kaz Kojima  <kkojima@gcc.gnu.org>
5293         * config/sh/sh.c (sh_output_mi_thunk): Check cfun->cfg instead
5294         of basic_block_info.  Call init_flow and find_basic_blocks
5295         before dbr_schedule if needed.
5297 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
5299         * tree-optimize.c (init_tree_optimization_passes): Move
5300         pass_cd_dce in place of the last pass_dce.
5302         PR tree-optimization/21563
5303         * tree-vrp.c (compare_value): Return boolean_false_node when
5304         SSA_NAME in "if (SSA_NAME == CST)" is strictly smaller than or
5305         strictly larger than CST.
5307 2005-05-14  Nathan Sidwell  <nathan@codesourcery.com>
5308             Jan-Benedict Glaw  <jbglaw@lug-owl.de>
5310         * config/vax/vax.c: (print_operand_address) Use gcc_unreachable() and
5311         gcc_assert().
5312         (rev_cond_name) Likewise.
5313         (vax_float_literal) Likewise.
5314         * config/vax/vax.md: Likewise.
5316 2005-05-14  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
5318         * config/vax/vax.md: define_constant VAXens AP, FP, SP and PC
5319         registers and use them (specifically the stack pointer).
5320         * config/vax/vax.h: Use above defines right here.
5322         * config/vax/vax.c: (override_options) Remove 'register' keyword.
5323         (split_quadword_operands) Likewise. (rev_cond_name) Likewise.
5324         (vax_float_literal) Likewise. (vax_rtx_costs) Remove trailing
5325         whitespace.
5326         * config/vax/vax.h: Remove 'register' keyword. Misc. whitespace fixes,
5327         mostly removal of trailing spaces...
5328         * config/vax/vax-modes.def: Remove trailing whitespace.
5330         * config/vax/elf.h: Update whitespace.
5332 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
5334         Revert
5335         2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
5336         * fold-const.c (fold_indirect_ref_1): Avoid removing
5337         NOP_EXPRs with type qualifiers like const.
5339 2005-05-14  Jan Hubicka  <jh@suse.cz>
5341         Patch by Richard Henderson:
5342         * tree-eh.c (tree_can_throw_internal, tree_can_throw_external):
5343         Handle RESX expressions properly.
5345         * tree-eh.c (record_stmt_eh_region): Use add_stmt_to_eh_region.
5346         (add_stmt_to_eh_region_fn): Nest into CALL_EXPR.
5347         (remove_stmt_from_eh_region_fn): Likewise.
5349         * tree-cfg.c (execute_warn_function_return): Break out noreturn
5350         warning too..
5351         (execute_warn_function_noreturn): ... here.
5352         (pass_warn_function_noreturn): New pass.
5353         * tree-pass.h (pass_warn_function_noreturn): Declare
5354         * tree-optimize.c (init_tree_optimization_passes): Move return
5355         warnings early and add noreturn warnings at place of previous
5356         return warnings.
5358 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
5360         * tree-ssa-live.c (tpa_init, tpa_delete, tpa_compact,
5361         root_var_init, type_var_init): Use VEC instead of VARRAY.
5362         * tree-ssa-live.h (tree_partition_associator_d): Change the
5363         type of trees to VEC(tree,heap)*.
5364         (tpa_tree): Use VEC instead of VARRAY.
5366 2005-05-14  Richard Guenther  <rguenth@gcc.gnu.org>
5368         * fold-const.c (div_if_zero_remainder): New function.
5369         (try_move_mult_to_index): Use it.
5371 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
5373         * tree-eh.c (leh_tf_state): Change the type of dest_array to
5374         VEC(tree,heap)*.
5375         (maybe_record_in_goto_queue, lower_try_finally_onedest,
5376         lower_try_finally_copy, lower_try_finally_switch,
5377         lower_try_finally): Use VEC instead of VARRAY.
5379 2005-05-14  Hans-Peter Nilsson  <hp@axis.com>
5381         * config/cris/cris.h (Node: Register Classes): Remove obsoleted
5382         comment regarding defined register classes.
5383         (LEGITIMIZE_RELOAD_ADDRESS): Do not define.
5385 2005-05-14  Kazu Hirata  <kazu@cs.umass.edu>
5387         * tree-optimize.c (init_tree_optimization_passes): Move
5388         pass_merge_phi before the first pass_dominator.
5390 2005-05-13  Richard Earnshaw  <richard.earnshaw@arm.com>
5392         * arm.h (INITIALIZE_TRAMPOLINE): Make the call to __clear_cache
5393         unconditional.
5395 2005-05-13  Josh Conner  <jconner@apple.com>
5397         * config/arm/arm.c (arm_size_return_regs): New.
5398         (thumb_unexpanded_epilogue): replace in-line calculation
5399         of return registers with call to arm_size_return_regs.
5400         (use_return_insn): Include test of which registers are
5401         being used to hold return values, to accommodate
5402         vector return values.
5404 2005-05-11  Aldy Hernandez  <aldyh@redhat.com>
5406         * config/rs6000/sysv4.opt (mlittle): Handle.
5408         * config/rs6000/rs6000.c (rs6000_handle_option): Set
5409         target_flags_explicit when appropriate.
5411 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
5413         PR middle-end/20714:
5414         * optabs.c (no_conflict_data): New struct.
5415         (no_conflict_move_test): New function.
5416         (emit_no_conflict_block): Use it.
5418 2005-05-13  Adam Nemet  <anemet@lnxw.com>
5420         * doc/invoke.texi (Debugging Options): Option
5421         -fdump-translation-unit only works with C++ now.
5423 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
5425         Replace calls to abort in CRIS port.
5426         * config/cris/cris.h (CRIS_ASSERT): New macro.
5427         * config/cris/cris.md ("*movsi_internal"): Use CRIS_ASSERT and
5428         internal_error instead of abort.
5429         ("movsi"): Ditto.  Unquote preparation statement section.
5430         ("call", "call_value"): Ditto, but use gcc_assert where
5431         appropriate.  Tweak comments.
5432         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Define in terms of
5433         CRIS_ASSERT.
5434         (cris_op_str): Call internal_error, not abort.
5435         (cris_print_operand): Tweak "abort" reference to "die" in comment.
5436         (cris_initial_elimination_offset): Call gcc_unreachable, not abort.
5437         (cris_notice_update_cc): Call internal_error, not abort.
5438         (cris_expand_return, cris_expand_prologue, cris_gen_movem_load)
5439         (cris_emit_movem_store, cris_asm_output_symbol_ref)
5440         (cris_output_addr_const_extra): Use CRIS_ASSERT, don't call abort.
5441         (cris_symbol, cris_got_symbol): Use CRIS_ASSERT instead of
5442         ENABLE_CHECKING-guarded abort call.
5443         (cris_split_movdx): Use CRIS_ASSERT instead of abort with test.
5444         Use internal_error at end of test-chain.
5446 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
5448         PR rtl-optimization/20769:
5449         * bt-load.c (compute_defs_uses_and_gen): Check for the blockage
5450         pattern emitted by expand_nl_goto_receiver.
5452         PR middle-end/20793:
5453         * integrate.c (allocate_initial_values): Update register liveness
5454         information.
5456 2005-05-13  Josh Conner  <jconner@apple.com>
5458         * arm.c (arm_return_in_memory): Add handling for vector return types.
5460 2005-05-13  David Ung  <davidu@mips.com>
5462         * config/mips/mips.h (processor_type): Add new PROCESSOR_4KP
5463         name.
5464         * config/mips/mips.c: Add 4km alias.
5465         * config/mips/mips.md: Add 4kp to cpu attrib and include 4k.md.
5466         * config/mips/4k.md: New file, add 4Kc/4Kp DFA pipeline
5467         description.
5469 2005-05-13  Jan Hubicka  <jh@suse.cz>
5471         * c-decl.c (finish_function): Suppress "control reaches end of
5472         non-void function" when "no return statement in function
5473         returning non-void" is issued.
5475         * tree-inline.c (copy_body_r): Simplify substituted ADDR_EXPRs.
5476         * tree-optimize.c (pass_gimple): Kill.
5477         (init_tree_optimization_passes): Kill pass_gimple.
5478         * tree-cfg.c (build_tree_cfg): Do verify_stmts to check that we are gimple.
5479         * tree-dump.c (dump_files): Rename .generic to .gimple.*
5481 2005-05-13  J"orn Rennecke <joern.rennecke@st.com>
5483         PR rtl-optimization/20756:
5484         * basic-block.h (PROP_DEAD_INSN): Define.
5485         * flow.c (propagate_one_insn): Set during mark_set_regs call
5486         for a dead insn.
5487         (mark_set_1): Emit a clobber when we are about to delete a dead insn
5488         that kills a live register.
5490 2005-05-13  Adrian Straetling  <straetling@de.ibm.com>
5492         * config/s390/s390.md: ("DBL"): New mode attribute.
5493         ("*movmem_long_64", "*movmem_long_31"): Merge to "*movmem_long".
5494         ("*clrmem_long_64", "*clrmem_long_31"): Merge to "*clrmem_long".
5495         ("*cmpmem_long_64", "*cmpmem_long_31"): Merge to "*cmpmem_long".
5497 2005-05-13  Richard Guenther  <rguenth@gcc.gnu.org>
5499         * c-format.c (check_format_arg): Handle string literals of
5500         the form &"string"[offset].
5502         * g++.dg/warn/format4.C: New testcase.
5504 2005-05-13  Kazu Hirata  <kazu@cs.umass.edu>
5506         * config/mips/3000.md, config/mips/4000.md,
5507         config/mips/4100.md, config/mips/4300.md, config/mips/4600.md,
5508         config/mips/5000.md, config/mips/7000.md, config/mips/9000.md,
5509         config/mips/generic.md, config/pdp11/pdp11.md,
5510         config/sh/crt1.asm, config/sh/lib1funcs.asm,
5511         config/sh/sh-modes.def, config/sh/sh-protos.h,
5512         config/sh/shmedia.md, config/sh/ushmedia.h: Update copyright.
5514 2005-05-13  Richard Henderson  <rth@redhat.com>
5516         * function.c (instantiate_virtual_regs_in_insn): Do not simplify
5517         addition to move unless dest is a register.  Do not skip
5518         instantiation in dest on addition simplification.
5520 2005-05-13  Hans-Peter Nilsson  <hp@axis.com>
5522         * config/cris/cris.c (cris_print_operand) <case 'H'; case
5523         CONST_INT>: Use operand_subword and HOST_WIDE_INT_PRINT_DEC for
5524         output; don't have special case for HOST_BITS_PER_WIDE_INT == 32.
5526 2005-05-13  Jan Hubicka  <jh@suse.cz>
5528         * basic-block.h (FOR_ALL_BB_FN): New macro.
5529         (init_flow): Initialize cfg structure.
5530         * function.c (allocate_struct_function): Do not initialize cfg structure.
5531         * tree-cfg.c (init_empty_tree_cfg): Break out from ...
5532         (build_tree_cfg): ... here.
5533         * tree-flow.h (init_empty_tree_cfg): Declare.
5535 2005-05-12  Steven Bosscher <stevenb@suse.de>
5537         Fix PR tree-optimization/21520
5538         * tree-ssa-pre.c (phi_translate): Use fully_constant_expression
5539         to attempt to fold constants.
5541 2005-05-12  Kaz Kojima  <kkojima@gcc.gnu.org>
5543         * config/sh/sh.c: Declare the prototype of sh_adjust_unroll_max
5544         only when TARGET_ADJUST_UNROLL_MAX is defined.
5545         (general_movsrc_operand): Use the C style comment.
5546         (ua_offset): Use prototype.
5548 2005-05-12  Zdenek Dvorak  <dvorakz@suse.cz>
5550         * tree-ssa-loop-im.c (struct mem_ref): Add field "next".
5551         (struct hmr_data, hoist_memory_reference, memref_del,
5552         struct fmrv_data): Removed.
5553         (hoist_memory_references, free_mem_ref, free_mem_refs): New functions.
5554         (gather_mem_refs, gather_mem_refs_stmt): Add new references to the
5555         list.
5556         (find_more_ref_vops): Traverse the list of memory references.
5557         (determine_lsm_loop): Work with the list of memory references instead
5558         of traversing the hashtable.
5560 2005-05-12  Steven Bosscher  <stevenb@suse.de>
5561             Stuart Hastings <stuart@apple.com>
5562             Jan Hubicka  <jh@suse.cz>
5564         * except.c  (duplicate_eh_region_1, duplicate_eh_region_2,
5565         duplicate_eh_regions): New functions, based on old
5566         implementation removed with RTL inliner.
5567         (reachable_next_level): Modify behaviour pre-inline.
5568         * except.h (duplicate_eh_regions_map, duplicate_eh_regions):
5569         Declare.
5570         * function.h (struct function): Add after_inlining flag.
5571         * tree-optimize.c (tree_rest_of_compilation): Set it.
5572         * tree-eh.c (add_stmt_to_eh_region_fn): Initialize hashtable
5573         when needed.
5574         * tree-cfg.c (label_to_block_fn): Deal with cases where
5575         label was never insterted into code.
5577 2005-05-12  Zack Weinberg  <zack@codesourcery.com>
5579         * doc/cpp.texi: Document that #sccs is a synonym for #ident.
5581 2005-05-12  Daniel Berlin  <dberlin@dberlin.org>
5583         Fix PR tree-optimization/21532
5584         * tree-ssa-pre.c (create_expression_by_pieces): stmt
5585         needs to go onto the inserted_exprs list.
5587 2005-05-12  Ian Lance Taylor  <ian@airs.com>
5589         * c-common.h (statement_code_p): Don't declare.
5590         (STATEMENT_CODE_P): Don't define.
5591         (INIT_STATEMENT_CODES): Don't define.
5592         * c-common.c (statement_code_p): Don't define.
5594 2005-05-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
5596         * config/sparc/sparc.h: Remove dead code.
5597         * config/sparc/sparc.c (sparc_compute_frame_size): Use
5598         FIRST_PARM_OFFSET for the size of the register window area.
5599         (emit_save_regs): Rename into emit_save_or_restore_regs.
5600         Add 'action' parameter.  Use 4095 as upper bound for the offset.
5601         Pass 'action' to save_or_restore_regs.
5602         (emit_restore_regs): Delete.
5603         (sparc_expand_prologue): Call emit_save_or_restore_regs.
5604         (sparc_expand_epilogue): Likewise.
5605         * config/sparc/sparc.md (mode macro P): Move.
5606         (movdi_insn_sp32_v9, movdi_insn_sp32): Swap.
5607         (mov<V32:mode> expander): Move to the top of the V32 section.
5608         (movdf_insn_sp32_v9_no_fpu, movdf_insn_sp32_v9): Swap.
5609         (movtf_insn_sp64_hq, movtf_insn_sp64): Swap.
5610         (sibcall_epilogue): Move.
5612 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
5614         PR target/21501
5615         * arm.c (arm_gen_constant): Sign-extend intermediate values when
5616         synthesizing a constant of the difference of two immediates.
5618 2005-05-12  Richard Earnshaw  <richard.earnshaw@arm.com>
5620         * arm/vfp.md (negsf2_vfp): Add alternative using integer registers.
5621         (negdf2_vfp): Likewise.  Convert to define_insn_and_split and split
5622         the alternatives using integer registers into the appropriate
5623         primitives.
5625 2005-05-11 Kenneth Zadeck <zadeck@naturalbridge.com>
5627         * bitmap.c (bitmap_elmt_to_freelist, bitmap_element_allocate,
5628         bitmap_elt_clear_from, bitmap_clear): Changed freelist structure.
5629         * bitmap.h: Fixed comments.
5631 2005-05-11  Richard Henderson  <rth@redhat.com>
5633         PR target/21412
5634         * config/ia64/ia64.c (TARGET_CANNOT_FORCE_CONST_MEM): New.
5635         (ia64_cannot_force_const_mem): New.
5636         (tls_symbolic_operand_type): New.
5637         (ia64_legitimate_constant_p): New.
5638         (ia64_expand_load_address): Return true on success.  Improve
5639         checks for when we should not split.
5640         (ia64_expand_tls_address): New addend operand.  Distribute it
5641         as appropriate to the tls_kind.  Delay referencing gp.
5642         (ia64_expand_move): Split symbolic addend as necessary.  Handle
5643         tls symbols with addends.
5644         * config/ia64/ia64-protos.h: Update.
5645         * config/ia64/ia64.h (CALL_REALLY_USED_REGISTERS): False for r0,
5646         p0, f0, f1, and r13.
5647         (LEGITIMATE_CONSTANT_P): Move to ia64_legitimate_constant_p.
5648         * config/ia64/ia64.md (UNSPEC_DTPMOD): New.
5649         (symbolic_operand splitter): Pass everything through
5650         ia64_expand_load_address and FAIL or DONE as appropriate.
5651         (load_fptr): Only accept after reload.
5652         (load_fptr_internal1, gprel64_offset, load_gprel64, load_symptr_high,
5653         load_symptr_low, load_ltoff_dtpmod,
5654         (load_dtpmod): New.
5655         (load_dtprel): Only accept tls symbols.
5656         (load_dtprel64, load_dtprel22): Likewise.
5657         (load_tprel, load_tprel64, load_tprel22): Likewise.
5658         (load_dtprel_gd, load_ltoff_dtprel, load_tprel_ie): New.
5659         (add_dtprel): Only accept tls symbols.  Canonicalize PLUS.
5660         (add_dtprel14, add_dtprel22): Likewise.
5661         (add_tprel, add_tprel14, add_tprel22): Likewise.
5662         * config/ia64/predicates.md (small_addr_symbolic_operand): New.
5663         (any_offset_symbol_operand, aligned_offset_symbol_operand): New.
5664         (got_symbolic_operand): Check CONST offsets.
5665         (tls_symbolic_operand, ld_tls_symbolic_operand): New.
5666         (ie_tls_symbolic_operand, le_tls_symbolic_operand): New.
5667         (move_operand): Don't handle tls here.  Check CONST offsets.
5669 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
5671         * config/mips/7000.md (rm7_impy_si_mult): Just match imul and imadd.
5672         Remove hilo_operand check.
5673         (rm7_impy_si_mul): Just match imul3.  Remove hilo_operand check.
5674         * config/mips/predicates.md (hilo_operand): Delete.
5676 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
5678         * config/mips/sr71k.md, config/mips/7000.md: Reformat.
5680 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
5682         PR tree-optimizer/18472
5683         * tree-if-conv.c (tree_if_convert_stmt,
5684         if_convertible_modify_expr_p): Don't handle GOTO_EXPR.
5686 2005-05-11  Jan Hubicka  <jh@suse.cz>
5688         * Makefile.in (tree-eh.o: Kill gt-tree-eh.h dependency.
5689         (GTFILES): add except.h.
5690         * except.c (eh_status): Add throw_stmt_table.
5691         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New functions.
5692         * except.h (add_stmt_to_eh_region_fn, remove_stmt_from_eh_region_fn,
5693         lookup_stmt_eh_region_fn): Declare.
5694         (throw_stmt_node): New structure.
5695         (set_eh_throw_stmt_table, get_eh_throw_stmt_table): New.
5696         * gengtype.c (open_base_files): Add except.h to inlines.
5697         * tree-eh.c (throw_stmt_node): Kill.
5698         (record_stmt_eh_region): Update.
5699         (add_stmt_to_eh_region_fn): Break out from ...
5700         (add_stmt_to_eh_region): ... here.
5701         (remove_stmt_from_eh_region_fn): Break out from ...
5702         (remove_stmt_from_eh_region): ... here.
5703         (lookup_stmt_eh_region_fn): Break out from ...
5704         (lookup_stmt_eh_region): ... here.
5705         (honor_protect_cleanup_actions): Use build_resx.
5706         (lower_try_finally_onedest): Likewise.
5707         (lower_try_finally_copy): Likewise.
5708         (lower_try_finally_switch): Likewise.
5709         (lower_eh_constructs): Update eh table construction.
5710         * tree.c (build_resx): New.
5711         * tree.h (build_resx): Declare.
5713 2005-05-11  H.J. Lu  <hongjiu.lu@intel.com>
5715         * libgcov.c (gcov_exit): Set prefix_length to 0 if no relocation
5716         is needed.
5718 2005-05-11  Kazu Hirata  <kazu@cs.umass.edu>
5720         * fold-const.c, libgcov.c: Fix comment typos.
5722         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove
5723         redundant code.
5725 2005-05-11  Daniel Jacobowitz  <dan@codesourcery.com>
5727         * config/arm/linux-elf.h (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
5728         * config/arm/arm.h (SUBTARGET_FRAME_POINTER_REQUIRED): Provide
5729         default definition.
5730         (FRAME_POINTER_REQUIRED): Use SUBTARGET_FRAME_POINTER_REQUIRED.
5732 2005-05-11  Nathan Sidwell  <nathan@codesourcery.com>
5734         PR bootstrap/21481
5735         * crtstuff.c: Include auto-host.h again, for now.
5737 2005-05-11  Richard Sandiford  <rsandifo@redhat.com>
5739         * config/mips/24k.md: Remove trailing whitespace.
5741 2005-05-11  David Ung  <davidu@mips.com>
5743         * config/mips/mips.md (type): Add imul3.
5744         (length, hazard, may_clobber_hilo): Check for imul3.
5745         (mulsi3_mult3, muldi3_mult3, *muls, <su>mulsi3_highpart_mulhi_internal)
5746         (*<su>mulsi3_highpart_neg_mulhi_internal): Set attr to imul3.
5747         * config/mips/24k.md (r24k_int_mul3): Enable this reservation
5748         for a 3 operand mul and its bypasses.
5749         * config/mips/3000.md (r3k_imul): Add imul3 to reservations.
5750         * config/mips/4000.md (r4k_imul): Likewise.
5751         * config/mips/4100.md (r4100_imul_si, r4100_imul_di):  Likewise.
5752         * config/mips/4130.md (vr4130_class, vr4130_mulsi)
5753         (vr4130_muldi): Likewise.
5754         * config/mips/4300.md (r4300_imul_si, r4300_imul_di): Likewise.
5755         * config/mips/4600.md (r4600_imul, r4650_imul): Likewise.
5756         * config/mips/5000.md (r5k_imul_si, r5k_imul_di): Likewise.
5757         * config/mips/5400.md (ir_vr54_imul_si, ir_vr54_imul_di)
5758         (ir_vr54_imadd_si): Likewise.
5759         * config/mips/5500.md (ir_vr55_imul_si, ir_vr55_imul_di):  Likewise.
5760         * config/mips/7000.md (rm7_impy_si_mult, rm7_impy_si_mul)
5761         (rm7_impy_di): Likewise.
5762         * config/mips/9000.md (rm9k_mulsi, rm9k_muldi):  Likewise.
5763         * config/mips/generic.md (generic_imul): Likewise.
5764         * config/mips/sb1.md (ir_sb1_mulsi, ir_sb1_muldi): Likewise.
5765         * config/mips/sr71k.md (ir_sr70_imul_si, ir_sr70_imul_di):  Likewise.
5767 2005-05-11  J"orn Rennecke <joern.rennecke@st.com>
5769         PR middle-end/20371:
5770         * tree.h (record_layout_info_s): New member prev_packed.
5771         * stor-layout.c (update_alignment_for_field): Fix comment about
5772         KNOWN_ALIGN.  For MS bitfields, if we start a new run, make sure
5773         we start it properly aligned.
5774         (place_field): At the beginning of a record, pass 0 as KNOWN_ALIGN
5775         to update_alignment_for_field, and recompute it afterwards using
5776         the alignment of the record.
5777         When a packed bitfield precedes an MS bitfield, don't add padding
5778         at the end of the packed bitfield on behalf of the base type of
5779         the packed bit field.
5780         Don't adjust rli->bitpos at the end
5781         of an MS bitfield run if we already adjusted bitpos/offset for an
5782         alignment as large or larger than the bitfield type size.
5783         Take possible record alignment > BIGGEST_ALIGNMENT into account
5784         when calculating actual_align.
5785         Only put packed buit fields into rli->prev_field if they end up
5786         suitably aligned.
5787         Also set rli->remaining_in_alignment when we re-set rli->prev_field.
5788         Update rli->remaining_in_alignment when we have already started a
5789         run of bit fields and we process a packed bit field.
5791 2005-05-11  Sebastian Pop  <pop@cri.ensmp.fr>
5793         * tree-data-ref.c (find_data_references_in_loop): Give up when
5794         the body of the loop contains a CALL_EXPR or an ASM_EXPR: they
5795         may embed arbitrary side effects.
5796         Remove the assumption that GIMPLE form contains a single array
5797         access per statement.
5798         When the statement contains virtual operands, fail if it is not
5799         a MODIFY_EXPR or a CALL_EXPR.
5800         Return after the dont know node is inserted.
5802 2005-05-11  Richard Earnshaw  <richard.earnshaw@arm.com>
5804         * arm.md (negsf2, negdf2): Permit these expands when compiling for VFP.
5806 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
5808         PR middle-end/19807
5809         PR tree-optimization/19639
5810         * fold-const.c (try_move_mult_to_index): Handle INTEGER_CST
5811         and generic summands for char* as s * delta, too, folding &a[i]
5812         CODE x to &a[i CODE x/s].  Use tree_int_cst_equal
5813         for comparison of steps.  Convert types for index addition.
5814         (fold_binary): Adjust the callers to always dispatch to
5815         try_move_mult_to_index.
5816         * tree-ssa-propagate.c (set_rhs): Avoid setting rhs to
5817         expr with non-gimple ARRAY_REF offset.
5819 2005-05-11  Richard Guenther  <rguenth@gcc.gnu.org>
5821         * fold-const.c (fold_indirect_ref_1): Avoid removing
5822         NOP_EXPRs with type qualifiers like const.
5824 2005-05-11  Richard Henderson  <rth@redhat.com>
5826         PR c/21502
5827         * c-decl.c (finish_decl): Propagate the completed array type of
5828         a global variable into the binding.
5830 2005-05-10  Matt Kraai  <kraai@ftbfs.org>
5832         * Makefile.in (gtype-desc.o, build/genautomata.o)
5833         (build/varray.o): Depend on $(VARRAY_H).
5835 2005-05-10  Diego Novillo  <dnovillo@redhat.com>
5837         * tree-optimize.c (init_tree_optimization_passes): Re-organize
5838         optimization passes to do an initial batch of scalar cleanups.
5840 2005-05-10  Ian Lance Taylor  <ian@airs.com>
5842         * read-rtl.c (struct macro_traverse_data): Define.
5843         (map_attr_string): New static function, broken out of
5844         apply_macro_to_string.
5845         (mode_attr_index, apply_mode_maps): New static functions.
5846         (apply_macro_to_string): Call map_attr_string.
5847         (apply_macro_to_rtx): Add mode_maps and infile parameters.  Change
5848         all callers.
5849         (apply_macro_traverse): Expect data to point to a struct
5850         macro_traverse_data.
5851         (read_rtx): Add mode_maps local variable.  Use mode_traverse_data
5852         to pass data through htab_traverse.
5853         (read_rtx_1): Add mode_maps parameter.  Change all callers.
5854         Handle mode names which are attribute strings.
5855         * doc/md.texi (Substitutions): Rename from String Substitutions.
5856         Change references.  Document using attributes as modes.
5858 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
5860         * tree-cfg.c (tree_duplicate_sese_region): Update profile.
5861         * tree-optimize.c (init_tree_optimization_passes) Swap
5862         pass_ch and pass_profile.
5863         * tree-ssa-loop-ch.c (copy_loop_headers): Do not update profile
5864         here.  Remove rewrite_into_loop_closed_ssa call.
5866 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
5868         * config/s390/s390.c: (s390_const_double_ok_for_constraint_p): New
5869         function.
5870         (legitimate_reload_constant_p): Add check for const double zero.
5871         * config/s390/s390.md: Add comment for constraint letter 'G'.
5872         ("*movdf_64", "*movdf_31", "movsf"): Add constraint and proper
5873         attributes for new case.
5874         * config/s390/s390.h: (CONST_DOUBLE_OK_FOR_CONSTRAINT_P): Define it as
5875         s390_const_double_ok_for_constraint_p.
5876         * config/s390/s390-protos.h (s390_const_double_ok_for_constraint_p):
5877         Add prototype.
5879 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
5881         PR tree-optimization/21170
5882         * tree-ssa-dom.c, tree-ssa-threadupdate.c: Replace
5883         rewrite_ssa_into_ssa in comments with update_ssa.
5885 2005-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
5887         * tree-ssa-loop-im.c: Include hashtab.h.
5888         (struct mem_ref_loc): New.
5889         (struct mem_ref): Describe the set of references with the same
5890         shape.
5891         (max_stmt_uid, get_stmt_uid, record_mem_ref, free_mem_refs,
5892         maybe_queue_var, fem_single_reachable_address,
5893         for_each_memref, single_reachable_address,
5894         is_call_clobbered_ref, determine_lsm_reg): Removed.
5895         (record_mem_ref_loc, free_mem_ref_locs, determine_lsm_ref,
5896         hoist_memory_reference, memref_hash, memref_eq, memref_del,
5897         gather_mem_refs_stmt, gather_mem_refs, find_more_ref_vops):
5898         New functions.
5899         (rewrite_mem_refs, schedule_sm): Use mem_ref_loc list.
5900         (determine_lsm_loop): Rewritten.
5901         (determine_lsm): Do not set stmt uids.
5903 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
5905         * config/s390/s390.md: Add comment lines for 'f' and 't' constraint
5906         letters.
5908 2005-05-10  Adrian Straetling  <straetling@de.ibm.com>
5910         * config/s390/s390.md: ("anddi3","andsi3","andhi3","andqi3"): Merge.
5911         ("iordi3", "iorsi3", "iorhi3", "iorqi3"): Merge.
5912         ("xordi3", "xorsi3", "xorhi3", "xorqi3"): Merge.
5914 2005-05-10  Jeff Law  <law@redhat.com>
5916         * tree-ssa-dom.c (dom_opt_finalize_block): Do not call
5917         thread_across_edge for any abnormal edges.
5919 2005-05-10  Richard Henderson  <rth@redhat.com>
5921         * config/ia64/ia64.c (ia64_expand_atomic_op): New.
5922         * config/ia64/ia64-protos.h: Declare it.
5923         * config/ia64/sync.md (I124MODE, FETCHOP, fetchop_name): New.
5924         (sync_add<I48MODE>, sync_old_add<I48MODE>): Remove.
5925         (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): New.
5926         (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): New.
5927         (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): New.
5928         (cmpxchg_rel_<I124MODE>): Split from cmpxchg_acq_<IMODE>.  Zero
5929         extend result; use release semantics.
5930         (cmpxchg_rel_di): Rename from cmpxchg_acq_<IMODE>; use release.
5931         (sync_val_compare_and_swap_<IMODE>): Update to match.
5933 2005-05-10  Richard Henderson  <rth@redhat.com>
5935         * optabs.c (expand_compare_and_swap_loop): Don't clobber old value
5936         before comparing it for success.
5938 2005-05-10  Richard Henderson  <rth@redhat.com>
5940         * config/ia64/sync.md (sync_add<I48MODE>): Fix arguments for
5941         no return value pattern.
5943 2005-05-10  Grigory Zagorodnev  <grigory.zagorodnev@intel.com>
5944             H.J. Lu  <hongjiu.lu@intel.com>
5946         * libgcov.c (create_file_directory): New function. Create
5947         directory for the given file name.
5948         (gcov_max_filename): New static var. Keeps size of the longest
5949         file name.
5950         (gcov_exit): Always try to create directory for output
5951         file. Relocate each filename basing on environment vars.
5952         (__gcov_init): Remember the longest file name.
5953         * tsystem.h: include filenames.h to get IS_DIR_SEPARATOR
5954         * doc/gcov.texi (Cross-profiling): New node documenting
5955         cross-profiling management.
5956         * doc/invoke.texi (-fprofile-arcs): Add xref to cross-profiling.
5958 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
5960         * config/sparc/sparc.c (mem_min_alignment): Do not rely
5961         on MEM_ALIGN if TARGET_UNALIGNED_DOUBLES.
5963 2005-05-10  Bob Wilson  <bob.wilson@acm.org>
5965         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Rearrange special
5966         case code to avoid one move instruction.
5967         (__umodsi3, __modsi3): Merge duplicated code sequences.
5969 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
5971         * config/mips/24k.md, config/sh/divtab.c, config/sh/sh.c,
5972         config/sh/sh.md, config/sh/superh.h: Fix comment typos.
5973         * doc/invoke.texi: Fix typos.
5975         * tree-data-ref.c (analyze_array_indexes, analyze_array,
5976         init_data_ref, access_functions_are_affine_or_constant_p,
5977         free_data_refs): Use VEC instead of VARRAY.
5978         * tree-data-ref.h (data_reference): Change the type of
5979         access_fns to VEC(tree,gc)*.
5980         (DR_ACCESS_FN, DR_NUM_DIMENSIONS): Use VEC instead of VARRAY.
5982 2005-05-10  Gabor Loki <loki@gcc.gnu.org>
5984         PR c/17913
5985         * c-typeck.c (build_conditional_expr): Remove reducing cond_expr.
5986         * fold-const.c (fold): Expand the condition of reducing cond_expr.
5987         (contains_label_1, contains_label_p): New functions for checking
5988         labels in a sub-tree.
5990 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
5992         PR c/21342
5993         * c-decl.c (pushdecl): When there is a declaration in the current
5994         scope and the declarations are external linkage, check for
5995         compatibility with the type in the external scope and update the
5996         type in the external scope with the composite type information.
5997         Do not form a composite type of the new type and the visible type
5998         if they are incompatible.
6000 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
6002         * crtstuff.c: Revert part of 2005-05-08 Change.
6003         (IN_LIBGCC2): Define.
6005 2005-05-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
6007         * config/sparc/sparc.c (fp_sethi_p): Test !SPARC_SIMM13_P and
6008         remove redundant test.
6009         (fp_mov_p): Accept 0.
6010         (fp_high_losum_p): Remove redundant test.
6011         * config/sparc/predicates.md (const_high_operand): Explicitly test
6012         (not small_int_operand).
6013         (fp_const_high_losum_operand): New.
6014         * config/sparc/sparc.md (movsi_insn): Do not emit 'clr'.  Reorder.
6015         (movdi_insn_sp32_v9): Use canonical predicates.
6016         (movdi_insn_sp32): Test !TARGET_V9 instead of !TARGET_ARCH64.
6017         (movdi_insn_sp64_novis): Delete.
6018         (movdi_insn_sp64_vis): Rename into movdi_insn_sp64.
6019         (movsf_insn_novis): Delete.
6020         (movsf_insn_vis): Rename into movsf_insn.
6021         (movsf_no_f_insn): Rename into movsf_insn_no_fpu.
6022         (movsf_lo_sum): Use fp_const_high_losum_operand.
6023         (movsf_high): Likewise.
6024         (movsf_high_losum splitter): Likewise.
6025         (mov<V32:mode> expander): Use register_or_zero_operand.
6026         (mov<V64:mode> expander): Likewise.
6027         (movdf_insn_sp32): Use register_or_zero_operand.
6028         (movdf_no_e_insn_sp32): Use register_or_zero_operand.
6029         Rename into movdf_insn_sp32_no_fpu.
6030         (movdf_no_e_insn_v9_sp32): Use register_or_zero_operand.
6031         Rename into movdf_insn_sp32_v9_no_fpu.
6032         (movdf_insn_v9only_novis): Delete.
6033         (movdf_insn_v9only_vis): Rename into movdf_insn_sp32_v9.
6034         (movdf_insn_sp64_novis): Delete.
6035         (movdf_insn_sp64_vis): Rename into movdf_insn_sp64.
6036         (movdf_no_e_insn_sp64): Use register_or_zero_operand.
6037         Rename into movdf_insn_sp64_no_fpu.
6038         (movtf expander): Use register_or_zero_operand.
6039         (movtf_insn_sp32): Delete.
6040         (movtf_insn_vis_sp32): Use register_or_zero_operand.
6041         Rename into movtf_insn_sp32.
6042         (movtf_no_e_insn_sp32): Use register_or_zero_operand.
6043         Rename into movtf_insn_sp32_no_fpu.
6044         (movtf_insn_hq_sp64): Delete.
6045         (movtf_insn_hq_vis_sp64): Use register_or_zero_operand.
6046         Rename into movtf_insn_sp64_hq.
6047         (movtf_insn_sp64): Delete.
6048         (movtf_insn_vis_sp64): Use register_or_zero_operand.
6049         Rename into movtf_insn_sp64.
6050         (movtf_no_e_insn_sp64): Use register_or_zero_operand.
6051         Rename into movtf_insn_sp64_no_fpu.
6053 2005-05-10  Nathan Sidwell  <nathan@codesourcery.com>
6055         * config/stormy16/stormy16.c (xstormy16_emit_cbranch): Use
6056         gcc_assert and gcc_unreachable as appropriate.
6057         (xstormy16_split_cbranch, xstormy16_output_cbranch_hi,
6058         xstormy16_output_cbranch_si, xstormy16_split_move,
6059         xstormy16_initial_elimination_offset,
6060         xstormy16_encode_section_info, xstormy16_print_operand_address,
6061         xstormy16_expand_call, xstormy16_expand_arith,
6062         xstormy16_output_shift, xstormy16_init_builtins): Likewise.
6064 2005-05-10  Kazu Hirata  <kazu@cs.umass.edu>
6066         * tree-outof-ssa.c (_elim_graph): Change the type of nodes and
6067         const_copies to VEC(tree,heap)*.
6068         (new_elim_graph, delete_elim_graph, elim_graph_size,
6069         elim_graph_add_node, eliminate_build, eliminate_phi): Use VEC
6070         instead of VARRAY.
6072 2005-05-10  Joseph S. Myers  <joseph@codesourcery.com>
6074         PR other/21052
6075         * doc/extend.texi (Type Attributes): Correct example syntax.
6077 2005-05-09  Joseph S. Myers  <joseph@codesourcery.com>
6079         PR c/21160
6080         * doc/invoke.texi (-Wuninitialized): Update documentation.
6082 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
6084         * arm.c (const_ok_for_arm): Use a faster algorithm.
6086 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
6088         PR target/21477
6089         * config/rs6000/rs6000.md (add_op2): New.
6090         (add<mode>3): Use it.
6092 2005-05-09  Richard Earnshaw  <richard.earnshaw@arm.com>
6094         * arm.c (arm_gen_constant): Add new heuristic for generating
6095         constant integers that can be expressed as the difference of two
6096         valid immediates.
6098 2005-05-09  Roger Sayle  <roger@eyesopen.com>
6100         * c-tree.h (parser_build_unary_op): New prototype.
6101         * c-typeck.c (parser_build_unary_op): New function to construct
6102         a unary operation in the C parser.
6103         * c-parser.c (c_parser_unary_expression):  Use the new function
6104         parser_build_unary_op when appropriate.
6106 2005-05-09  Mark Mitchell  <mark@codesourcery.com>
6108         PR 18655
6109         * dwarf2out.c (output_call_frame_info): Use DWARF2_FRAME_REG_OUT
6110         before outputting DWARF_FRAME_RETURN_COLUMN.
6112 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
6114         * config/s390/s390.c: (s390_branch_condition_mask,
6115         s390_branch_condition_mnemonic, s390_extra_constraint_str,
6116         s390_const_ok_for_constraint_p, s390_expand_plus_operand,
6117         legitimize_pic_address, s390_emit_tls_call_insn,
6118         legitimize_tls_address, legitimize_tls_address,
6119         s390_expand_addcc, print_shift_count_operand, print_operand,
6120         addr_generation_dependency_p, annotate_constant_pool_refs,
6121         s390_split_branches, find_constant_pool_ref,
6122         replace_constant_pool_ref, s390_add_constant, s390_find_constant,
6123         s390_find_execute, s390_mainpool_start, s390_chunkify_start,
6124         s390_output_pool_entry, s390_function_value,
6125         s390_call_saved_register_used, s390_emit_call): Replace
6126         conditional aborts by gcc_assert and unconditional by gcc_unreachable.
6127         (s390_select_ccmode, s390_match_ccmode_set, s390_extract_part,
6128         s390_cannot_force_const_mem, s390_output_dwarf_dtprel,
6129         get_some_local_dynamic_name, s390_function_arg_size,
6130         s390_function_arg_advance, s390_function_arg,
6131         s390_expand_builtin, s390_gen_rtx_const_DI): Replace abort in
6132         default case by gcc_unreachable.
6133         * config/s390/s390.md: ("*cjump_31", "*icjump_31", "*jump31"): Replace
6134         conditional abort by gcc_assert.
6135         ("doloop_si31"): Replace abort in last else by gcc_unreachable.
6136         ("main_pool", "pool"): Replace unconditional abort by gcc_unreachable.
6138 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
6140         * config/s390/s390.c: (s390_decompose_address,
6141         tls_symbolic_operand, legitimate_pic_operand_p,
6142         legitimate_constant_p, legitimate_reload_constant_p,
6143         s390_expand_plus_operand, legitimate_address_p,
6144         legitimate_la_operand_p, ): Remove 'register' from signature.
6145         (symbolic_reference_mentioned_p,
6146         tls_symbolic_reference_mentioned_p): Remove 'register' from local
6147         variable declarations.
6148         (legitimize_address): Remove 'register' from
6149         signature and local variable declarations.
6151 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
6153         * config/s390/s390-protos.h: (s390_match_ccmode,
6154         s390_match_ccmode_set, reg_used_in_mem_p,
6155         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
6156         legitimate_la_operand_p, preferred_la_operand_p,
6157         s390_short_displacement, addr_generation_dependency_p,
6158         legitimate_reload_constant_p, legitimate_address_p): Change return type
6159         into 'bool'.
6160         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
6161         * config/s390/s390.c: (s390_match_ccmode,
6162         symbolic_reference_mentioned_p, tls_symbolic_reference_mentioned_p,
6163         legitimate_reload_constant_p): Change return type into 'bool'.
6164         (preferred_la_operand_p,legitimate_la_operand_p, legitimate_address_p):
6165         Likewise.  Additionally adapted comment.
6166         (s390_extra_constraint_p): Change Comment to reflect 'int' return type.
6167         (s390_tm_ccmode): Change type of parameter "mixed" into 'bool'.
6168         (s390_decompose_address): Change the type of the internal flags
6169         "pointer", "base_ptr", "indx_ptr", and the return value into 'bool'.
6170         (struct s390_address): Change type of "pointer" into bool.
6171         * config/s390/s390.md: ("*tmdi_reg", "*tmsi_reg", "tm<mode>_full"):
6172         Adapt calls for 's390_tm_ccmode' to the new signature.
6174 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
6176         * config/s390/s390.c: (s390_match_ccmode_set,
6177         s390_branch_condition_mnemonic, s390_short_displacement,
6178         s390_decompose_address, get_thread_pointer, legitimize_tls_address,
6179         print_shift_count_operand, get_some_local_dynamic_name,
6180         get_some_local_dynamic_name_1, reg_used_in_mem_p,
6181         addr_generation_dependency_p, s390_split_branches,
6182         annotate_constant_pool_refs, find_constant_pool_ref,
6183         replace_constant_pool_ref, find_ltrel_base, replace_ltrel_base,
6184         s390_optimize_prologue, find_unused_clobbered_reg, s390_frame_area,
6185         s390_register_info, s390_frame_info, s390_init_frame_layout,
6186         s390_update_frame_layout, save_fpr, restore_fpr, save_gprs,
6187         restore_gprs, s390_function_arg_size, s390_function_arg_float,
6188         s390_init_machine_status, s390_assemble_integer, s390_handle_option,
6189         s390_encode_section_info, s390_cannot_force_const_mem,
6190         s390_delegitimize_address, s390_return_in_memory, s390_init_builtins,
6191         s390_expand_builtin, s390_output_mi_thunk, s390_safe_attr_type,
6192         s390_adjust_priority, s390_issue_rate,
6193         s390_first_cycle_multipass_dfa_lookahead, s390_cannot_copy_insn_p,
6194         s390_rtx_costs, s390_address_cost, s390_reorg, s390_valid_pointer_mode,
6195         s390_build_builtin_va_list, s390_gimplify_va_arg,
6196         s390_function_ok_for_sibcall, s390_call_saved_register_used,
6197         s390_pass_by_reference, s390_fixed_condition_code_regs,
6198         s390_cc_modes_compatible s390_mainpool_start,, s390_mainpool_finish,
6199         s390_mainpool_cancel, s390_chunkify_start, s390_chunkify_finish,
6200         s390_chunkify_cancel, s390_start_pool, s390_end_pool,
6201         s390_add_pool_insn, s390_find_pool, s390_add_constant,
6202         s390_find_constant, s390_add_execute, s390_find_execute,
6203         s390_execute_label, s390_execute_target, s390_dump_pool,
6204         s390_dump_execute, s390_alloc_pool, s390_free_pool): Remove prototypes.
6205         Move target macro definitions to the end of the file.  Move several
6206         functions within the file to assure correct compiling.
6208 2005-05-09  Steven Bosscher  <stevenb@suse.de>
6210         * calls.c (purge_reg_equiv_notes): Remove, fold into...
6211         (fixup_tail_calls): ...here.  Only look at insns between the
6212         start of the function and the FUNCTION_BEG insn note.
6214         * gcse.c (one_cprop_pass): Fix typos in dumps.
6216         * tree-ssa-operands.h (FOR_EACH_PHI_ARG): Fix typos.
6218 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
6220         * config/s390/s390.h: Move xxx_REGNUM definitions to s390.md.
6221         * config/s390/s390.md: ("SIBCALL_REGNUM", "BASE_REGNUM",
6222         "RETURN_REGNUM", "CC_REGNUM", "TP_REGNUM"): New constants.
6223         Replace every occurrence of '(reg:<MODE> 33)' by '(reg:<MODE>
6224         CC_REGNUM)'.
6225         ("get_tp_64", "get_tp_31", "set_tp_64", "set_tp_31"): Replace
6226         '(reg:<MODE> 36)' by '(reg:<MODE> TP_REGNUM)'.
6227         ("*sibcall_br", "*sibcall_value_br"): Replace '(reg:DI 1)' by '(reg:DI
6228         REG_SC)'.
6230 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
6232         * config/s390/s390.md: ("gf") New mode attribute.
6233         ("fixuns_truncdfdi2", "fixuns_truncdfsi2", "fixuns_truncsfdi2",
6234         "fixuns_truncsfsi2"): Merge.
6235         ("fix_truncdfdi2", "fix_truncsfdi2"): Merge.
6236         ("fix_truncdfdi2_ieee", "fix_truncdfsi2_ieee", "fix_truncsfdi2_ieee",
6237         "fix_truncsfsi2_ieee"): Merge.
6239 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
6241         * config/s390/s390.md: ("FPR") New mode macro.
6242         ("de", "dee"): New mode attributes.
6243         ("cmpdf", "cmpsf"): Merge.
6244         ("*cmpdf_ccs_0", "*cmpsf_ccs_0"): Merge.
6245         ("*cmpdf_ccs_0_ibm", "*cmpdf_ccs_0_ibm"): Merge.
6246         ("*cmpdf_ccs", "*cmpsf_ccs"): Merge.
6247         ("*cmpdf_ccs_ibm", "*cmpsf_ccs_ibm"): Merge.
6248         ("floatdidf2", "floatdisf2"): Merge.
6249         ("adddf3", "addsf3"): Merge.
6250         ("*adddf3", "*addsf3"): Merge.
6251         ("*adddf3_cc", "*addsf3_cc"): Merge.
6252         ("*adddf3_cconly", "*addsf3_cconly"): Merge.
6253         ("*adddf3_ibm", "*addsf3_ibm"): Merge.
6254         ("subdf3", "subsf3"): Merge.
6255         ("*subdf3", "*subsf3"): Merge.
6256         ("*subdf3_cc", "*subsf3_cc"): Merge.
6257         ("*subdf3_cconly", "*subsf3_cconly"): Merge.
6258         ("*subdf3_ibm", "*subsf3_ibm"): Merge.
6259         ("muldf3", "mulsf3"): Merge.
6260         ("*muldf3", "*mulsf3" "): Merge.
6261         ("*muldf3_ibm", "*mulsf3_ibm"): Merge.
6262         ("*fmadddf", "*fmaddsf"): Merge.
6263         ("*fmsubdf", "*fmsubsf"): Merge.
6264         ("divdf3", "divsf3"): Merge.
6265         ("*divdf3", "*divsf3"): Merge.
6266         ("*divdf3_ibm", "*divsf3_ibm"): Merge.
6267         ("negdf2", "negsf2"): Merge.
6268         ("*negdf2_cc", "*negsf2_cc"): Merge.
6269         ("*negdf2_cconly", "*negsf2_cconly"): Merge.
6270         ("*negdf2", "*negsf2"): Merge.
6271         ("*negdf2_ibm", "*negsf2_ibm"): Merge.
6272         ("absdf2", "abssf2"): Merge.
6273         ("*absdf2_cc", "*abssf2_cc"): Merge.
6274         ("*absdf2_cconly", "*abssf2_cconly"): Merge.
6275         ("*absdf2", "*abssf2"): Merge.
6276         ("*absdf2_ibm", "*abssf2_ibm"): Merge.
6277         ("*negabsdf2_cc", "*negabssf2_cc"): Merge.
6278         ("*negabsdf2_cconly", "*negabssf2_cconly"): Merge.
6279         ("*negabsdf2", "*negabssf2"): Merge.
6280         ("sqrtdf2", "sqrtsf2"): Merge.
6282 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
6284         * config/s390/s390.c: (s390_adjust_priority): Adapt to changed
6285         attribute names.
6286         * config/s390/2084.md: ("x_fsimpd", "x_fsimps", "x_fdivd", "x_fdivs",
6287         "x_floadd", "x_floads", "x_fstored", "x_fstores"): Rename to
6288         ("x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
6289         "x_floadsf", "x_fstoredf", "x_fstoresf") and replace 'type'
6290         attribute names.
6291         * config/s390/s390.md: ("type"): Rename "fsimpd, fsimps, floadd, floads,
6292         fstored, fstores, fmuld, fmuls, fdivd, fdivs, fsqrtd, fsqrts" to
6293         "fsimpdf, fsimpsf, floaddf, floadsf, fstoredf, fstoresf, fmuldf,
6294         fmulsf, fdivdf, fdivsf, fsqrtdf, fsqrtsf".
6295         ("*cmpdf_ccs_0", "*cmpdf_css_0_ibm", "*cmpdf_ccs",
6296         "*cmpdf_ccs_ibm", "*cmpsf_ccs_0", "*cmpsf_css_0_ibm",
6297         "*cmpsf_ccs", "*cmpsf_ccs_ibm", "*movdi_64", "*movdi_31",
6298         "*movsi_zarch", "*movsi_esa", "*movdf_64", "*movdf_31", "movsf",
6299         "*muldf3", "*muldf3_ibm", "*fmadddf", "*fmsubdf", "*mulsf3",
6300         "mulsf3_ibm", "*fmaddsf", "fmsubsf", "*divdf3", "*divdf3_ibm",
6301         "*negdf2_cc", "*negdf2_cconly", "*negdf2", "*negdf2_ibm",
6302         "*negsf2_cc", "*negsf2_cconly", "*negsf2", "*absdf2_cc",
6303         "*absdf2_cconly", "*absdf2", "*absdf2_ibm", "*abssf2_cc",
6304         "*abssf2_cconly", "*abssf2", "*abssf2_ibm", "*negabsdf2_cc",
6305         "*negabsdf2_cconly", "*negabsdf2", "*negabssf2_cc",
6306         "*negabssf2_cconly", "*negabssf2", "sqrtdf2", "sqrtsf2"): Rename
6307         'type' value.
6308         ("*divsf3"): Additionally rename second pattern to
6309         "*divsf3_ibm".
6310         ("truncdfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
6311         "*adddf3", "*adddf3_cc", "*adddf3_cconly", "*adddf3_ibm",
6312         "*addsf3", "*addsf3_cc", "*addsf3_cconly", "*subdf3",
6313         "subdf3_cc", "*subdf3_cconly", "*subdf3_ibm", "*subsf3",
6314         "subsf3_cc", "*subsf3_cconly", "*subsf3_ibm"): Merge identical
6315         'type values' and rename 'type' value.
6316         ("*addsf3"): Additionally rename second pattern to
6317         "*addsf3_ibm".
6319 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
6321         * config/s390/s390.md: ("SHIFT"): New mode macro.
6322         ("lr", "shift"): New mode attributes.
6323         ("ashldi3", "lshrdi3"): Merge.
6324         ("*ashldi3_31", "*lshrdi3"_31): Merge.
6325         ("*ashldi3_64", "*lshrdi3"_64): Merge.
6326         ("ashlsi3", "lshrsi3"): Merge.
6328 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
6330         * config/s390/s390.md: ("DSI", "SCOND"): New mode
6331         macros.
6332         ("E", "g"): New mode attributes.
6333         ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
6334         ("*adddi3_alc", "*addsi3_alc"): Merge.
6335         ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
6336         ("*subdi3_slb", "*subsi3_slb"): Merge.
6337         ("adddicc", "addsicc"): Merge.
6338         ("*sconddi", "*scondsi"): Merge.
6339         ("*sconddi_neg", "*scondsi_neg"): Merge.
6340         ("sltu", "sgtu", "sleu", "sgeu"): Merge.
6341         ("negdi2", "negsi2"): Extract expander pattern from
6342         "negsi2" and merge with "negdi2".
6343         ("*negdi2"): Merge with instruction pattern of "negsi2".
6344         ("*negdi2_cc", "*negsi2_cc"): Merge.
6345         ("*negdi2_cconly", "*negsi2_cconly"): Merge.
6346         ("rotldi3", "rotlsi3"): Merge.
6348 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
6350         * config/s390/s390.md: ("hc"): New mode attribute.
6351         ("extendhidi2", "extendqidi2"): Merge.
6352         ("*extendhidi2", "*extendqidi2"): Merge.
6353         ("extendhisi2", "extendqisi2"): Merge.
6354         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
6355         ("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
6356         Merged 2 define_split.
6357         ("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
6358         ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.
6360 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
6362         * config/s390/s390.md: ("COMPARE"): New mode macro.
6363         ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
6364         "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
6365         "bungt", "bunle", "bunge", "bltgt"): Merge.
6367 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
6369         * config/s390/s390.md: ("INT"): New mode macro.
6370         ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
6371         Merge.
6373 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
6375         * config/s390/s390.md: ("GPR", "P"): New mode macros.
6376         ("cmpdi", "cmpsi"): Merge.
6377         ("strlendi", "strlensi"): Merge.
6378         ("*strlendi", "*strlensi"): Merge.
6379         ("movmemdi", "movmemsi"): Merge.
6380         ("clrmemdi", "clrmemsi"): Merge.
6382 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
6384         * config/s390/s390.md: ("HQI"): New mode macro.
6385         ("icm_lo", "icm_hi", "max_uint"): New mode attributes.
6386         ("*tmhi_full", "*tmqi_full"): Merge.
6387         ("*tsthiCCT", "*tstqiCCT"): Merge.
6388         ("*tsthi", "*tstqi"): Merge.
6389         ("*tsthi_cconly", "tstqi_cconly"): Merge.
6390         ("*sethighhisi", "*sethighqisi"): Merge.
6392 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
6394         * crtstuff.c, integrate.h, tree-scalar-evolution.h,
6395         config/alpha/unicosmk.h, config/arc/arc.md,
6396         config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
6397         config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
6398         config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
6399         config/arm/semi.h, config/arm/uclinux-elf.h,
6400         config/arm/wince-pe.h, config/fr30/fr30.c,
6401         config/rs6000/altivec.h: Update copyright.
6403 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
6405         * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
6406         gcc_assert and gcc_unreachable as appropriate.
6407         (pdp11_output_function_epilogue, output_move_double,
6408         output_move_quad, print_operand_address, output_jump,
6409         output_addr_const_pdp11): Likewise.
6410         * config/pdp11/pdp11.h (FUNCTION_PROFILER,
6411         ASM_OUTPUT_ALIGN): Likewise.
6412         * config/pdp11/pdp11.md: Likewise.
6413         (extendhisi2, subhi3, subqi3): Likewise.
6415 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
6417         PR middle-end/21237
6418         * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
6419         to NE_EXPR case.
6421 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
6423         * config/ia64/ia64.c: Fix a comment typo.
6425 2005-05-09  Richard Earnshaw  <rearnsha@arm.com>
6427         PR target/21397
6428         * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
6429         (arm_override_options): Use them instead of manifest constants.  Don't
6430         allow -march to override the -mtune setting.
6432 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
6434         * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
6435         (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
6436         (function_arg_advance, function_arg, save_restore_insns,
6437         iq2000_expand_prologue, iq2000_output_conditional_branch,
6438         expand_one_builtin, print_operand):
6439         * config/iq2000/iq2000.md (tablejump): Likewise.
6441 2005-05-09  David Ung  <davidu@mips.com>
6443         * config/mips/mips.h (processor_type): Add names for the 24K.
6444         * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
6445         processor family.
6446         * config/mips/mips.md (cnv_mode): New attribute for recording the
6447         conversion types of float convert insns.
6448         (cpu): Add 24k and 24kx.
6449         (include): Include 24k.md file.
6450         (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
6451         (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
6452         (floatdisf2): Setup cnv_mode.
6453         (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
6454         setup cnv_mode.
6455         * config/mips/24k.md: New file, contains 24k DFA pipeline
6456         description.
6458 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
6460         * config/sh/sh.c (print_operand_address): Use gcc_assert and
6461         gcc_unreachable as appropriate.
6462         (print_operand, prepare_move_operands, prepare_scc_operands,
6463         output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
6464         gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
6465         fixup_mova, gen_far_branch, sh_reorg, split_branches,
6466         final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
6467         sh_set_return_address, sh_setup_incoming_varargs,
6468         initial_elimination_offset, sh_pch_valid_p, get_free_reg,
6469         sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
6470         check_use_sfunc_addr): Likewise.
6471         * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
6472         * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
6473         * config/sh/symbian.c (sh_symbian_mark_dllexport,
6474         sh_symbian_mark_dllimport): Likewise.
6475         * config/sh/sh.md: Likewise.
6476         (movdicc, call_pop, call_value_pop, casesi_worker_1,
6477         casesi_worker_2, casesi_shift_media, casesi_load_media,
6478         return_media): Likewise.
6480 2005-05-08  Roger Sayle  <roger@eyesopen.com>
6482         PR inline-asm/8788
6483         * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
6484         operands.
6486 2005-05-08  Richard Henderson  <rth@redhat.com>
6488         * config/alpha/alpha.c (adjust_address): Fix typo last change.
6490 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
6492         * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
6493         and -1 can happen in reg_renumber when no hard register is assigned.
6495 2005-05-08  Steven Bosscher  <stevenb@suse.de>
6496             Kazu Hirata  <kazu@cs.umass.edu>
6498         PR tree-optimization/14841, tree-optimization/15838
6499         * tree-ssa-ccp.c (fold_const_aggregate_ref): New.
6500         (evaluate_stmt): Call it.
6502 2005-05-08  Jakub Jelinek  <jakub@redhat.com>
6504         * config/ia64/ia64.c (ia64_override_options): Don't set
6505         ia64_flag_var_tracking and clear flag_var_tracking here...
6506         (ia64_file_start): ... but here.
6508 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
6510         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
6511         and gcc_unreachable as appropriate.
6512         (expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
6513         m68hc11_gen_highpart, print_operand, print_operand_address,
6514         m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
6515         m68hc11_gen_movhi): Likewise.
6516         * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
6517         * config/m68hc11/m68hc11.md: Reword comment.
6519 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
6521         PR target/21281
6522         * config/m68hc11/predicates.md (splitable_operand): An immediate is
6523         allowed.
6525 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
6527         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
6528         the 68HC12 address indirect addressing mode as it is not supported by
6529         bset and bclr.
6530         * config/m68hc11/m68hc11-protos.h
6531         (m68hc11_valid_addressing_p): Declare.
6532         (m68hc11_add_mode): Declare.
6533         * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
6534         register_indirect_p and export it.
6535         (m68hc11_z_replacement): Use emit_insn_after when adding the save Z
6536         instruction so that it is part of the good BB.
6537         (m68hc11_gen_movhi): Fix invalid generation of indexed indirect
6538         addressing with movw.
6539         (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
6540         68HC12.
6541         * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
6542         ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
6543         * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
6544         for 68HC11.
6545         ("*movhi_68hc12"): Handle movhi_const0.
6546         ("*subhi3", "subqi3"): Use general_operand for operand 1.
6547         ("*subhi3_zext"): Likewise.
6549 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
6551         PR target/19051
6552         * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
6553         operand 1 and fix constraints.
6554         ("mulqihi3"): Use general_operand for operand 2.
6556 2005-05-08  Julian Brown  <julian@codesourcery.com>
6557             H.J. Lu  <hongjiu.lu@intel.com>
6558             Paul Brook  <paul@codesourcery.com>
6560         * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
6561         GNU linker. Support linker version x.x.x.x.x. Require GNU linker
6562         20050308/2.16.0 or newer for comdat group.
6563         * configure: Regenerated.
6564         * config.in: Regenerated.
6565         * varasm.c (default_function_rodata_section): Put .rodata section in
6566         COMDAT group when necessary.
6567         (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
6568         HAVE_COMDAT_GROUP.
6569         (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
6570         available.
6572 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
6574         * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
6575         instead of VARRAY.
6576         * tree-flow.h (num_referenced_var, referenced_var): Likewise.
6577         * tree-into-ssa.c (mark_def_site_blocks): Likewise.
6578         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
6579         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
6581 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
6583         PR target/16925
6584         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
6585         64-bit constants on 64-bit hosts.
6586         (m68hc11_split_logical): Simplify.
6587         (m68hc11_split_move): Likewise.
6589 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
6590             Paolo Bonzini  <bonzini@gnu.org>
6592         * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
6593         * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
6594         * configure.ac (enable_checking): Fix typos in runtime_checking.
6595         (ENABLE_RUNTIME_CHECKING): Mark as target template.
6596         (xm_file): Prepend auto-host.h
6597         (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
6598         * mkconfig.sh: Do not automatically define USED_FOR_TARGET in
6599         tconfig.h.
6600         * crtstuff.c: Do not include auto-host.h.
6601         (IN_LIBGCC2): Do not define.
6602         * gcov-io.h: Include tconfig.h, not auto-host.h.
6603         * libgcc2.c: Do not include auto-host.h.
6604         (abort): Do not undefine.
6605         * libgcov.c: Remove unneeded comment about config.h.
6606         * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
6607         * config.in, configure: Regenerated.
6609 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
6610             Falk Hueffner  <falk@debian.org>
6612         * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
6613         and gcc_unreachable as appropriate.
6614         (get_aligned_mem, get_unaligned_address,
6615         alpha_emit_set_long_const, alpha_emit_conditional_branch,
6616         alpha_emit_setcc, alpha_emit_conditional_move,
6617         alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
6618         alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
6619         alpha_expand_unaligned_load, alpha_expand_block_move,
6620         alpha_expand_zap_mask, get_trap_mode_suffix,
6621         get_round_mode_suffix, get_some_local_dynamic_name,
6622         print_operand_address, function_arg, alpha_return_in_memory,
6623         function_value, alpha_expand_builtin,
6624         alpha_initial_elimination_offset, alpha_expand_epilogue,
6625         summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
6626         alphaev5_next_group, alpha_align_insns,
6627         unicosmk_initial_elimination_offset, unicosmk_unique_section,
6628         unicosmk_ssib_name): Likewise.
6629         * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
6630         * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
6631         ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
6632         * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
6633         ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
6634         * config/alpha/alpha.md (*divmodsi_internal_er,
6635         *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
6636         call_nt, call_umk, call_vms, call_value, sibcall_value,
6637         call_value_osf, call_value_nt, call_value_vms, call_value_umk,
6638         *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
6639         * config/alpha/predicates.md (input_operand): Likewise.
6641 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
6643         * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
6644         gcc_unreachable, as appropriate.
6645         (frv_function_prologue, frv_alloc_temp_reg,
6646         frv_initial_elimination_offset, frv_expand_block_move,
6647         frv_expand_block_clear, frv_print_operand_jump_hint,
6648         frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
6649         frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
6650         frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
6651         frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
6652         frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
6653         frv_in_small_data_p, frv_asm_out_constructor,
6654         frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
6655         * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
6656         *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
6657         *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
6658         sibcall_value, casesi): Likewise.
6660         * config/mn10300/mn10300.c (print_operand): Use gcc_assert and
6661         gcc_unreachable as appropriate.
6662         (print_operand_address, mn10300_print_reg_list, expand_prologue,
6663         expand_epilogue, notice_update_cc, initial_offset,
6664         mn10300_address_cost_1): Likewise.
6665         * config/mn10300/mn10300.md: Likewise.
6666         (absdf2, abssf2, negdf2, negsf2): Likewise.
6668 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
6670         PR target/21416
6671         * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
6672         comparisons.
6673         * config/mips/mips.md (swapped_fcond): New code macro and attribute.
6674         (sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
6675         including sunge_<mode> and sungt_<mode>.
6677 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
6679         * integrate.h (get_hard_reg_initial_val): Change type of register
6680         parameter from int to unsigned int.
6681         (has_hard_reg_initial_val): Likewise.
6682         * integrate.c (get_hard_reg_initial_val): Likewise.
6683         (has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.
6685 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
6687         * except.c (eh_status): Change the type of ttype_data to
6688         VEC(tree,gc)*.
6689         (add_ttypes_entry, assign_filter_values,
6690         output_function_exception_table): Use VEC instead of VARRAY.
6692 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
6694         * config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.
6696 2005-05-07  Paul Brook  <paul@codesourcery.com>
6698         * Makefile.in: Fix dependencies.
6699         (GCOV_IO_H, VARRAY_H): Set.
6701 2005-05-07  Anthony Green  <green@redhat.com>
6703         PR bootstrap/21403
6704         * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
6705         x$STMP_FIXPROTO test.
6706         * configure: Rebuilt.
6708 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
6710         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
6711         inappropriate feature test macros if flag_iso.
6713 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
6715         * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
6717 2005-05-07  Hans-Peter Nilsson  <hp@axis.com>
6719         PR target/21441
6720         * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
6721         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
6722         Handle moved operand being in special register.
6723         ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
6724         presumed working insn.
6725         (mover2side): Add FIXME.
6727 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
6729         * integrate.c (get_func_hard_reg_initial_val): Delete.
6730         (has_func_hard_reg_initial_val): Delete.
6731         (get_hard_reg_initial_val): Inline the old implementation of
6732         get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
6733         instead of has_func_hard_reg_initial_val to test for an existing
6734         pseudo.  Only create an rtx if a new initial value entry is needed.
6735         (has_hard_reg_initial_val): Scan the initial value list directly.
6736         Don't create an rtx.
6738 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
6740         * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
6741         from extra_options.
6742         * config.in (HAVE_AS_POPCNTB): New.
6743         * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
6744         (HAVE_AS_POPCNTB): New.
6745         * configure: Regenerated.
6746         * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
6747         * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
6748         MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
6749         and rs6000_sched_costly_dep.
6750         * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
6751         (TARGET_XL_COMPAT): Delete.
6752         * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
6753         (popcount<mode>2): New.
6754         (popcntb<mode>2): New.
6755         * config/rs6000/rs6000.opt (mpopcntb): New.
6757         * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
6758         if variable name exists.
6760 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
6762         * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
6764 2005-05-07  Richard Henderson  <rth@redhat.com>
6766         PR target/21412
6767         * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
6768         with constant offsets.
6770 2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
6772         * config/v850/v850.c (print_operand): Use gcc_assert and
6773         gcc_unreachable, as appropriate.
6774         (print_operand_address, v850_handle_data_area_attribute,
6775         v850_encode_data_area, construct_restore_jr, construct_save_jarl,
6776         v850_insert_attributes, construct_prepare_instruction): Likewise.
6777         * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
6778         * config/v850/v850.md (movsicc, *sasf_1): Likewise.
6780 2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
6782         * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
6783         config/rs6000/rs6000.h: Fix comment typos.
6785 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
6787         * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
6788         * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
6789         (mips_scalar_mode_supported_p): Delete.
6791 2005-05-06  Eric Christopher  <echristo@redhat.com>
6793         * config/mips/mips.opt: Remove -mint64 option.
6794         * config/mips/mips.c (override_options): Remove -mint64
6795         handling.
6796         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
6797         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
6798         64-bit integer handling.
6799         * doc/invoke.texi (Option Summary): Remove -mint64 for
6800         mips.
6802 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
6804         PR tree-optimization/19401
6805         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
6806         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
6807         (estimated_unrolled_size): New function.
6808         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
6809         tree_unroll_loops_completely): Always unroll loops if the code size
6810         does not increase.
6811         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
6812         loops should be unrolled completely.
6813         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
6815 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
6817         PR rtl-optimization/21254
6818         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
6819         assumptions for loops that otherwise do not roll.
6820         (find_simple_exit): Prefer # of iterations that is guaranteed
6821         not to be infinite.
6822         * loop-unroll.c (decide_peel_once_rolling,
6823         decide_peel_completely): Check whether the loop is infinite.
6825 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
6827         * config/rs6000/sysv4.opt: Fix typo.
6829 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
6830             Jakub Jelinek  <jakub@redhat.com>
6832         PR target/21329
6833         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
6834         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
6835         Don't use rep; movs{l,q} if the repetition count is really small,
6836         instead use a sequence of movs{l,q} instructions.
6838 2005-05-06  Jeff Law  <law@redhat.com>
6840         PR tree-optimization/21380
6841         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
6842         thread through a block with no preds.
6844 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
6846         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
6847         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
6848         add_call_read_ops): Use VEC instead of VARRAY.
6850 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
6852         * config/mcore/mcore.c (mcore_print_operand_address): Use
6853         gcc_assert and gcc_unreachable as appropriate.
6854         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
6855         mcore_output_andn, output_inline_const, mcore_output_move,
6856         mcore_output_movedouble, mcore_expand_block_move,
6857         layout_mcore_frame, mcore_initial_elimination_offset,
6858         mcore_expand_prolog, mcore_mark_dllexport,
6859         mcore_mark_dllimport): Likewise.
6860         * config/mcore/mcore.h (switch_to_section): Likewise.
6861         * config/mcore/mcore.md: Likewise.
6863 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
6865         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
6866         TARGET_PROFILE_KERNEL.
6868         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
6869         TARGET_PROFILE_KERNEL use.
6871 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
6873         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
6874         and gcc_unreachable, as appropriate.
6875         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
6876         m32r_expand_prologue, m32r_output_function_epilogue,
6877         m32r_legitimize_pic_address, m32r_print_operand_address,
6878         emit_cond_move, m32r_function_symbol,
6879         m32r_output_block_move): Likewise.
6880         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
6881         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
6882         *rev_zero_branch_insn): Likewise.
6884 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
6886         PR c++/20961
6887         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
6888         if both NEWDECL and OLDDECL are already weak.
6890 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
6892         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
6894 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
6895             Kaz Kojima  <kkojima@gcc.gnu.org>
6897         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
6898         and plus_constant.
6900 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
6901             David Edelsohn  <edelsohn@gnu.org>
6903         * config.gcc: Add .opt magic for the rs6000 ports.
6905         * doc/invoke.texi: Document -mabi= option properly.  Document
6906         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
6907         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
6908         -misel=.
6910         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
6911         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
6912         TARGET_XL_COMPAT.
6914         * config/rs6000/aix.opt: New.
6915         * config/rs6000/aix41.opt: New.
6916         * config/rs6000/aix64.opt: New.
6917         * config/rs6000/darwin.opt: New.
6918         * config/rs6000/linux64.opt: New.
6919         * config/rs6000/rs6000.opt: New.
6920         * config/rs6000/sysv4.opt: New.
6922         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
6923         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
6924         SUBTARGET_SWITCHES.
6925         Define TARGET_USES_SYSV4_OPT.
6926         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
6927         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
6928         TARGET_USES_AIX64_OPT.
6929         * config/rs6000/aix51.h: Same.
6930         * config/rs6000/aix52.h: Same.
6931         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
6932         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
6933         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
6934         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
6935         * config/rs6000/linux64.h: Use
6936         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
6938         * config/rs6000/rs6000.c: Remove definitions of
6939         rs6000_sched_restricted_insns_priority,
6940         rs6000_long_double_size_string, rs6000_altivec_vrsave,
6941         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
6942         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
6943         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
6944         rs6000_alignment_string.  Define rs6000_explicit_options.
6945         (rs6000_parse_abi_options): Remove.
6946         (rs6000_parse_alignment_option): Remove.
6947         (rs6000_parse_float_gprs_option): Remove.
6948         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
6949         TARGET_DEFAULT_TARGET_FLAGS.
6950         (rs6000_override_options): Revamp to use new .opt machinery.
6952         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
6953         of new .opt machinery.  Remove target_flags.  Redefine
6954         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
6955         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
6956         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
6957         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
6958         rs6000_longcall_switch, rs6000_default_long_calls,
6959         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
6960         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
6961         TARGET_ALTIVEC_VRSAVE.
6963 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
6965         * config.gcc (hppa1.1-*-rtems*): Remove.
6966         * config/pa/rtems.h: Remove.
6968 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
6970         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
6971         Exclude roe/603e multilib variants.
6973 2005-05-04  Denis Chertykov  <denisc@overta.ru>
6975         PR target/21284
6976         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
6977         for output.
6979 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
6981         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
6982         arm/pe.opt to $extra_options.
6983         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
6984         (target_float_abi_name, target_float_switch, target_abi_name)
6985         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
6986         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
6987         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
6988         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
6989         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
6990         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
6991         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
6992         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
6993         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
6994         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
6995         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
6996         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
6997         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
6998         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
6999         (arm_pic_register_string): Delete.
7000         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
7001         TARGET_TPCS_FRAME.
7002         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
7003         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
7004         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
7005         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
7006         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
7007         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
7008         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
7009         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
7010         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
7011         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
7012         (SUBTARGET_SWITCHES): Delete.
7013         * config/arm/arm.c (target_float_switch): Delete.
7014         (arm_cpu_select): Moved from config/arm/arm.h.
7015         (target_fpu_name, target_fpe_name, target_float_abi_name)
7016         (target_abi_name, structure_size_string, arm_pic_register_string)
7017         (arm_select): Make static.
7018         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7019         (arm_handle_option): New function.
7020         (arm_override_options): Update target_flags checks for new mask names.
7021         Remove target_float_switch code.
7022         (arm_expand_prologue, thumb_expand_prologue): Check
7023         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
7024         * config/arm/arm.opt, config/arm/pe.opt: New files.
7026 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
7028         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
7029         gcc_unreachable as appropriate.
7030         (arc_double_limm_p, arc_setup_incoming_varargs,
7031         arc_compute_function_type, arc_output_function_prologue,
7032         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
7033         output_shift, arc_print_operand, arc_print_operand_address,
7034         arc_final_prescan_insn): Likewise.
7035         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
7037 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
7039         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
7040         comparing Pmode.
7041         (SDI): New.
7042         (cmp): Delete.
7043         (wd): New.
7044         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
7045         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
7046         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
7047         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
7048         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
7049         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
7050         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
7051         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
7053 2005-05-05  Paul Brook  <paul@codesourcery.com>
7055         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
7056         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
7057         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
7058         and tree-data-ref.h with *_H variables.
7060 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
7062         * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
7064 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
7066         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
7068 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
7070         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
7072 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
7074         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
7075         setting of vrsave register for current function after
7076         call to save_world is emitted.
7078 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
7080         * config/mmix/predicates.md: New file.
7081         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
7082         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
7083         (mmix_foldable_comparison_operator, mmix_comparison_operator)
7084         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
7085         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
7086         Don't define.
7087         * config/mmix/mmix.md: Include predicates.md.
7088         ("call", "call_value"): Force address to register if it isn't a
7089         mmix_symbolic_or_address_operand.
7091 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
7093         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
7094         the flags are of appropriate types.
7095         (num_ssa_operands): Generalize using the generic interface.
7096         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
7097         iterator.
7099 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
7101         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
7102         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
7104 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
7106         * tree-outof-ssa.c (edge_leader, stmt_list,
7107         analyze_edges_for_bb): Use VEC instead of VARRAY.
7108         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
7109         (perform_edge_inserts): Call init_analayze_edges_for_bb and
7110         fini_analayze_edges_for_bb.
7112 2005-05-04  James E Wilson  <wilson@specifixinc.com>
7114         PR driver/21112
7115         * gcc.c (process_command): In the second argv scan loop, ignore
7116         Xassembler and Xpreprocessor, along with their argument.
7118 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
7120         * tree-flow-inline.h, tree-ssa-operands.c,
7121         tree-ssa-operands.h, tree-ssa-opfinalize.h:
7122         Likewise. tree-vn.c: Fix comment typos.
7123         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
7125 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
7127         * doc/tm.texi (Target Hooks): Document
7128         TARGET_RESOLVE_OVERLOADED_BUILTIN.
7130 2005-05-04  Paul Brook  <paul@codesourcery.com>
7132         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
7134 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
7136         * dwarf2out.c (incomplete_types, retry_incomplete_types,
7137         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
7138         of VARRAY.
7140         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
7141         get_expansion, expand_var_during_unrolling,
7142         insert_var_expansion_initialization,
7143         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
7144         instead of VARRAY.
7146         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
7147         update_stmt.
7149 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
7151         PR middle-end/15618
7152         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
7153         the same as INTEGER_TYPE.
7154         (fold_binary): Fold "bool_var != 0" to bool_var.
7155         Fold "bool_var == 1" to bool_var.
7157 2004-05-03  Richard Henderson  <rth@redhat.com>
7159         PR middle-end/21318
7160         * function.c (instantiate_virtual_regs_in_insn): Use the mode
7161         from recog_data instead of insn_data.
7163 2005-05-03  DJ Delorie  <dj@redhat.com>
7165         * common.opt (fdiagnostics-show-option): No variable is needed.
7166         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
7167         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
7168         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
7169         Save and restore original message format.  Use flag in context
7170         instead of global.
7171         (warning): Don't test for enabled warnings here.
7172         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
7173         here.
7175 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
7177         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
7178         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
7179         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
7180         * aclocal.m4: Don't include accross.m4.
7181         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
7182         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
7183         * configure, config.in: Regenerate.
7185 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
7187         PR middle-end/21265
7188         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
7189         (clear_storage): Add argument.
7190         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
7191         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
7192         tailcall.
7193         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
7194         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
7195         (store_expr, store_constructor): Adjust callers.
7196         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
7197         to emit_block_move if CALL_EXPR_TAILCALL (exp).
7198         (expand_builtin_memmove): Add ORIG_EXP argument, copy
7199         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
7200         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
7201         with EXP.  Pass EXP to expand_builtin_memmove.
7202         (expand_builtin_memset): Add ORIG_EXP argument, pass
7203         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
7204         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
7205         Pass EXP to expand_builtin_memset.
7206         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
7207         the new CALL_EXPR.
7208         (expand_builtin_strncmp): Likewise.
7209         (expand_builtin_printf): Replace ARGLIST argument with EXP.
7210         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
7211         (expand_builtin_fprintf): Likewise.
7212         (expand_builtin): Adjust calls to
7213         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
7215         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
7216         item in V4SF mode.
7218         PR rtl-optimization/21239
7219         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
7221 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
7223         * tree-flow.h (tree_ann_common_d): Move aux to ...
7224         (stmt_ann_d): ... here.
7225         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
7226         move_computations_stmt, schedule_sm): Update references to
7227         aux.
7228         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
7230         * tree-cfg.c (remove_bb): Remove a redundant call to
7231         set_bb_for_stmt.
7232         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
7233         Likewise.
7235 2005-05-03  Richard Henderson  <rth@redhat.com>
7237         * config/rs6000/rs6000.c: Remove conflict markers.
7239         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
7241 2005-05-03  James E Wilson  <wilson@specifixinc.com>
7243         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
7245 2005-05-03  DJ Delorie  <dj@redhat.com>
7247         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
7248         decide if the warning will be printed.
7249         * calls.c (expand_call): Likewise.
7250         * function.c (init-function_start): Likewise.
7252         * common.opt (-fdiagnostics-show-option): New.
7253         * opts.c (option_enabled): Accept the option index instead of a
7254         pointer to the option descriptor.
7255         * opts.h (option_enabled): Likewise.
7256         * toplev.c (print_switch_values): Pass option index, not option
7257         descriptor.
7258         * diagnostic.h (diagnostic_info): Add option_index.
7259         * diagnostic.c: Include opts.h.
7260         (diagnostic_set_info): Initialize option_index.
7261         (diagnostic_report_diagnostic): Amend option name if appropriate.
7262         (warning): Check to see if the specified warning is enabled.
7263         Store option index.
7264         * doc/invoke.texi (-fdiagnostics-show-options): Document.
7266 2005-05-03  Richard Henderson  <rth@redhat.com>
7268         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
7269         SPEC_OR_GEN_REGS definitions.
7271 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
7273         PR target/16888
7274         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
7275         for unavailable registers.
7277 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
7279         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
7281         * cfglayout.c (block_locators_blocks,
7282         insn_locators_initialize, insn_scope): Use VEC instead of
7283         VARRAY.
7285         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
7286         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
7287         VARRAY.
7289 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
7291         * config/sparc/predicates.md (const_compl_high_operand): New.
7292         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
7293         gen_safe_HIGH64.
7294         (sparc_emit_set_const64_quick1): Adjust for above change.
7295         (sparc_emit_set_const64_quick2): Likewise.
7296         (sparc_emit_set_const64_longway): Likewise.
7297         (sparc_emit_set_const64): Likewise.
7298         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
7299         movdi_const64_special): Delete.
7300         (logical constant splitters): Use const_compl_high_operand.
7302 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
7304         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
7305         rather than STRIP_NOPS.
7307 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
7309         PR rtl-optimization/21330
7310         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
7311         returning non-NULL.
7312         (unswitch_single_loop): Clear cinsn when retrying.
7314         PR target/21297
7315         * config/i386/i386.c (legitimize_address): When canonicalizing
7316         ASHIFT into MULT, multiply by 1 << shift_count instead of
7317         1 << log2 (shift_count).
7319 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
7321         * lambda-code.c (gcc_loop_to_lambda_loop,
7322         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
7323         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
7324         generic operand interface.
7325         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
7326         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
7327         generic operand interface.
7328         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list,
7329         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
7330         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
7331         num_imm_uses): Use ssa_use_operand_t.
7332         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
7333         get_v_must_def_ops): Delete.
7334         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
7335         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
7336         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
7337         get_v_must_def_kill_ptr): Delete.
7338         (delink_stmt_imm_use): Move and use new operand interface.
7339         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
7340         op_iter_next_tree): Use new operand implementation.
7341         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
7342         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator
7343         type check.
7344         (op_iter_next_mustdef, op_iter_next_maydef,
7345         op_iter_next_must_and_may_def): Delete. Replace with...
7346         (op_iter_next_maymustdef): New.  Combine must and may next operations.
7347         (op_iter_init_maydef, op_iter_init_mustdef,
7348         op_iter_init_must_and_may_def): Use new interface.
7349         (single_ssa_tree_operand ): New.  Process single operands only as trees.
7350         (single_ssa_use_operand): New.  Process single operands only as uses.
7351         (single_ssa_def_operand): New.  Process single operands only as defs.
7352         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
7353         specified types.
7354         (num_ssa_operands): New.  Count the number of specified operands.
7355         (compare_ssa_operands_equal): New.  Compare two statements' operands.
7356         (single_phi_def): New.  Return true if PHI has one def of the specified
7357         operand type.
7358         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
7359         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
7360         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
7361         (struct stmt_ann_d): Operands field no longer require GTY().
7362         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
7363         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
7364         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb,
7365         dump_replaceable_exprs, rewrite_trees): Use generic interface.
7366         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node):
7367         Use use_operand_p instead of ssa_imm_use_t *.
7368         * tree-pretty-print.c (dump_vops): check if operands are active before
7369         dumping virtual operands.
7370         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
7371         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
7372         (ccp_fold): Use new interface.
7373         (ccp_visit_stmt): Remove unused variables and code.
7374         (convert_to_gimple_builtin): Insert statements before calling
7375         mark_new_vars_to_rename.
7376         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
7377         (copy_prop_visit_cond_stmt): Use generic interface.
7378         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the
7379         annotation in table.
7380         (thread_across_edge): Use generic interface.
7381         (initialize_hash_element): Initialzie with stmt, not annotation.
7382         (eliminate_redundant_computations): Use generic interface.
7383         (record_equivalences_from_stmt): Pass stmt, not annotation.
7384         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
7385         interface.
7386         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
7387         * tree-ssa-loop-ivopts.c (find_invariants_stmt,
7388         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use
7389         generic operand interface.
7390         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
7391         interface.
7392         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
7393         Interface.
7394         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
7395         (build_defs, build_uses, build_v_may_defs, build_vuses,
7396         build_v_must_defs): Change type to struct opbuild_list_d.
7397         (ops_active): New.  Operands active boolean.
7398         (operand_memory, operand_memory_index): New.  Operand memory managers.
7399         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
7400         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
7401         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs):
7402         Change from functions to static variable list heads.
7403         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
7404         (opbuild_initialize_real): New.  Initialize a virtual build list.
7405         (opbuild_free): New.  Free a build list.
7406         (opbuild_num_elems): New.  Number of items in a list.
7407         (opbuild_append_real): New.  Add a real (tree *) operand.
7408         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
7409         (opbuild_first): New.  Return first element index in a list.
7410         (opbuild_next): New.  Return next element in a list.
7411         (opbuild_elem_real): New.  Return real element.
7412         (opbuild_elem_virtual): New.  Return virtual element.
7413         (opbuild_elem_uid): New.  Return UID of virtual element.
7414         (opbuild_clear): New.  Reset an operand list.
7415         (opbuild_remove_elem): New.  Remove an element form a list.
7416         (ssa_operands_active): New.  Return true if operand cache is active.
7417         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
7418         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
7419         (correct_use_link): Use use_operand_p.
7420         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
7421         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation.
7422         (cleanup_v_may_defs): Use new implmentation.
7423         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New
7424         implementation.
7425         (append_def, append_use, append_v_may_def, append_vuse,
7426         append_v_must_def): Call opbuild_append routine instead of using varray.
7427         (build_ssa_operands): Simplify to simply use stmt, don't maintain a
7428         global parse_old_ops variable.
7429         (free_ssa_operands): New implementation.
7430         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
7431         (copy_virtual_operands): Move. New generic implementation.
7432         (create_ssa_artficial_load_stmt): Move. New implementation.
7433         (swap_tree_operands): Update for new implementation.
7434         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
7435         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
7436         rather than a varray.
7437         (verify_imm_links): Use use_operand_p.
7438         (dump_immediate_uses_for): If the immediate use variable is a virtual
7439         variable, show the virtual ops in the stmt.
7440         * tree-ssa-operands.h (def_operand_p): No longer a structure.
7441         (NULL_DEF_OPERAND_P): Now a #define.
7442         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
7443         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
7444         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
7445         mustdef_optype_d): New.  Use Linked list representation.
7446         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
7447         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
7448         (struct stmt_operands_d): Change to new pointers that are not GTY.
7449         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
7450         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
7451         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
7452         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT,
7453         SET_V_MUST_DEF_KILL): Delete.
7454         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT,
7455         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
7456         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT,
7457         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
7458         (enum ssa_op_iter_type): Operand iterator typechecking values.
7459         (struct ssa_operand_iterator_d): Use linked lists of operands.
7460         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
7461         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
7462         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
7463         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
7464         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
7465         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
7466         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND,
7467         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
7468         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
7469         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
7470         alloc_vuse, and alloc_mustdef.
7471         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops,
7472         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
7473         and finalize_ssa_v_must_def_ops.
7474         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
7475         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
7476         stmt around.
7477         (compute_avail): Use generic iterator interface.
7478         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
7479         (stmt_makes_single_load, stmt_makes_single_store): Use
7480         ZERO_SSA_OPERANDS.
7481         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
7482         (statement_sink_location): Use generic interface.
7483         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
7484         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
7485         reset the immediate use link nodes.
7486         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
7487         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
7488         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
7489         (eliminate_tail_call): Use generic operand interface.
7490         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
7491         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic
7492         interface.
7493         * tree-vect-transform.c (update_vuses_to_preheader): Use generic
7494         interface.
7495         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
7496         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
7497         vuse_optype.
7498         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add):
7499         Use statement pointer instead of vuse_optype.  Use generic interface.
7500         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
7501         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
7502         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
7503         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
7504         * doc/tree-ssa.texi: Update documentation for operand interface.
7506 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
7508         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
7509         gcc_unreachable as appropriate.
7510         (machopic_function_base_name, machopic_indirect_data_reference,
7511         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
7512         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
7513         * config/rs6000/altivec.md (*mov<mode>_internal,
7514         build_vector_mask_for_load): Likewise.
7515         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
7516         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
7517         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
7518         * config/rs6000/predicates.md (easy_fp_constant,
7519         logical_operand): Likewise.
7520         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
7521         compute_save_world_info, rs6000_emit_prologue,
7522         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
7523         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
7524         directly.
7526 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
7528         PR middle-end/21282
7529         * convert.c (convert_to_integer): Convert ceil and floor in
7530         c99 mode only.
7532 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
7534         PR target/20813
7535         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
7536         define_insn_and_split.  Split only when memory operand is
7537         offsettable.  Use adjust_address rather than plus_constant.
7538         (floatunssidf2_internal): Likewise.
7539         (fix_truncdfsi2_internal): Split only when memory operand is
7540         offsettable.  Use adjust_address rather than plus_constant.
7541         (fix_trunctfsi2_internal): Likewise.
7542         (floatsidf2_internal): Likewise.
7544 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
7546         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
7547         (set_value_range_to_null): Likewise.
7548         (set_value_range_to_varying): New function.  Use it in all
7549         call sites that used to call set_value_range (vr, VR_VARYING, ...).
7550         (extract_range_from_assert): If the integral type has a
7551         super-type, and LIMIT is not within MIN and MAX values of that
7552         type, set the resulting range to VR_VARYING.
7554 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
7556         * config/mmix/mmix.opt: New file.
7557         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
7558         (mmix_cc1_ignored_option): Don't declare.
7559         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
7560         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
7561         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
7562         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
7563         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
7564         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
7565         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
7566         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
7567         Don't define.
7568         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
7569         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
7570         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
7572 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
7574         PR c/15698
7575         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
7576         * c-decl.c (current_function_prototype_built_in,
7577         current_function_prototype_arg_types): New.
7578         (merge_decls): Keep source location of prototype followed by
7579         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
7580         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
7581         (start_function): Always set current_function_prototype_locus,
7582         current_function_prototype_built_in and
7583         current_function_prototype_arg_types.  Check for external
7584         prototype whether or not visible for external function and set
7585         current_function_prototype_arg_types accordingly.
7586         (store_parm_decls_oldstyle): Use
7587         current_function_prototype_arg_types for checking old-style
7588         definition against prototype.  Give warnings only if
7589         current_function_prototype_built_in).
7591 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
7593         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
7594         (ggc_alloc_zone_stat): Don't define.
7595         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
7596         ggc_alloc_zone_pass_stat.
7597         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
7598         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
7599         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
7601 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
7603         * calls.c (expand_call): Handle current_function_pretend_args_size
7604         when checking for sibcalls.
7606 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
7608         PR tree-optimization/21294
7609         * tree-vrp.c (vrp_expr_computes_nonzero): New.
7610         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
7612 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
7614         PR 19985
7615         * gcov-io.h: Declare gcov external functions hidden.
7617 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
7619         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
7620         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
7621         Use VEC instead of VARRAY.
7622         (equiv_free): New.
7624         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
7625         out common code.
7627 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
7629         * c-common.c (resolve_overloaded_builtin): Forward to target
7630         hook for BUILT_IN_MD built-ins.
7631         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
7632         for all types of built-in.
7633         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
7634         in the definition of the target hooks struct.
7635         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
7636         * config/rs6000/altivec.h: Rewritten.
7637         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
7638         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
7639         rs6000_builtin_type, rs6000_builtin_type_compatible,
7640         altivec_overloaded_builtins, rs6000_builtin_type,
7641         rs6000_builtin_type_compatible): New.
7642         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
7643         New.
7644         (def_builtin): Turn into a function.  Check for duplicates and store
7645         the builtin into rs6000_builtin_decls.
7646         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
7647         bdesc_1arg): Add overloaded builtins.
7648         (altivec_expand_builtin): Check for unresolved overloaded builtins,
7649         do not support ALTIVEC_COMPILETIME_ERROR.
7650         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
7651         nodes to represent front-end types.
7652         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
7653         with opaque arguments and/or return values.
7654         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
7655         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
7656         (rs6000_builtin_type_index): New.
7657         (is_ev64_opaque_type): Rename to...
7658         (rs6000_is_opaque_type): ... this.
7659         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
7660         target hook.
7662 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
7664         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
7665         instead of VARRAY.
7667 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
7668             Bernd Schmidt  <bernd.schmidt@analog.com>
7670         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
7671         print_address_operand, print_operand, legitimize_pic_address,
7672         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
7673         output_pop_multiple): Use gcc_assert or gcc_unreachable as
7674         appropriate.
7675         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
7677 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
7679         * doc/passes.texi: Document vectorization pass.
7681 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
7683         * tree-scalar-evolution.c (get_exit_conditions_rec,
7684         select_loops_exit_conditions,
7685         number_of_iterations_for_all_loops,
7686         analyze_scalar_evolution_for_all_loop_phi_nodes,
7687         scev_analysis): Use VEC instead of VARRAY.
7689 2005-05-02  Michael Matz  <matz@suse.de>
7691         PR c++/19542
7692         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
7693         (warn_strict_null_sentinel): Define.
7694         (check_function_sentinel): Check for null_node as valid sentinel too.
7695         * c-common.h (c_tree_index): Added CTI_NULL.
7696         (null_node) Define global_tree[CTI_NULL].
7697         (warn_strict_null_sentinel): Declare.
7698         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
7699         * c.opt: (Wstrict-null-sentinel): New C++ option.
7700         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
7702 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
7704         * gimplify.c (gimplify_compound_lval): Use VEC instead of
7705         VARRAY.
7707         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
7709         * dwarf2out.c (decl_scope_table, push_decl_scope,
7710         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
7711         instead of VARRAY.
7713 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
7715         PR C++/14391
7716         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
7717         if !flag_weak.
7718         * doc/cpp.texi (__DEPRECATED): Document.
7719         (__EXCEPTIONS): Likewise.
7720         (__GXX_WEAK__): Likewise.
7722         * function.c (INVOKE__main): Do not define.
7723         (expand_main_function): Check HAS_INIT_SECTION when determining
7724         whether or not to call __main.
7726 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
7728         * tree-ssa-loop-ivopts.c: Fix a comment typo.
7730 2005-01-05  Paul Brook  <paul@codesourcery.com>
7732         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
7733         (INITIALIZE_TRAMPOLINE): Use it.
7734         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
7735         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
7736         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
7738 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
7740         * doc/install.texi (Specific): Omit dots in the @anchors names
7741         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
7742         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
7744 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
7746         PR tree-optimization/18316
7747         PR tree-optimization/19126
7748         * tree.c (build_int_cst_type): Avoid shift by size of type.
7749         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
7750         argument.
7751         * tree-scalar-evolution.h (simple_iv): Declaration changed.
7752         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
7753         field.
7754         (dump_cand): Dump depends_on information.
7755         (determine_biv_step): Add argument to simple_iv call.
7756         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
7757         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
7758         constant.
7759         (add_candidate_1): Record depends_on for candidates.
7760         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
7761         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
7762         Handle ivs with nonconstant step.
7763         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
7764         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
7765         (create_new_iv): Unshare the step before passing it to create_iv.
7766         (free_loop_data): Free cand->depends_on.
7767         (build_addr_strip_iref): New function.
7768         (find_interesting_uses_address): Use build_addr_strip_iref.
7769         (strip_offset_1): Split the recursive part from strip_offset.
7770         Strip constant offset component_refs and array_refs.
7771         (strip_offset): Split the recursive part to strip_offset_1.
7772         (add_address_candidates): Removed.
7773         (add_derived_ivs_candidates): Do not use add_address_candidates.
7774         (add_iv_value_candidates): Add candidates with stripped constant
7775         offset.  Consider all candidates with initial value 0 important.
7776         (struct affine_tree_combination): New.
7777         (aff_combination_const, aff_combination_elt, aff_combination_scale,
7778         aff_combination_add_elt, aff_combination_add,
7779         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
7780         fold_affine_sum): New functions.
7781         (get_computation_at): Use fold_affine_sum.
7782         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
7783         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
7784         to simple_iv call.
7786 2005-04-30  Michael Matz  <matz@suse.de>
7788         * config/i386/i386.md (movmemsi): Also active when
7789         TARGET_INLINE_ALL_STRINGOPS.
7791 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
7793         PR bootstrap/20633
7794         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
7796 2005-04-30  Paul Brook  <paul@codesourcery.com>
7798         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
7799         thumb mode.
7800         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
7801         * config/arm/ieee754-sf.S: Ditto.
7802         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
7803         (FUNC_ALIAS): Use .thumb_set for thumb routines.
7805 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
7807         * tree-ssanames.c: Fix a comment typo.
7808         * doc/options.texi: Fix a typo.
7810 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
7812         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
7813         gcc_unreachable as appropriate.
7814         (split_adds_subs, cond_string, print_operand,
7815         h8300_initial_elimination_offset, h8300_classify_operand,
7816         h8300_unary_length, h8300_short_immediate_length,
7817         h8300_bitfield_length, h8300_binary_length,
7818         h8300_insn_length_from_table, compute_mov_length, output_plussi,
7819         compute_plussi_length, compute_plussi_cc, output_logical_op,
7820         compute_logical_op_length, compute_logical_op_cc,
7821         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
7822         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
7823         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
7824         h8300_regs_ok_for_stm): Likewise.
7825         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
7826         monitor_prologue): Likewise.
7828 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
7830         * loop-invariant.c (invariants, create_new_invariant,
7831         get_inv_cost, best_gain_for_invariant,
7832         find_invariants_to_move, move_invariants,
7833         init_inv_motion_data, free_inv_motion_data): Use VEC instead
7834         of VARRAY.
7836 2005-04-29  Richard Henderson  <rth@redhat.com>
7838         * function.c (instantiate_decls): Remove valid_only argument.
7839         (instantiate_decls_1, instantiate_decl): Likewise.
7840         (instantiate_virtual_regs_1): Delete.
7841         (instantiate_virtual_regs_lossage): Delete.
7842         (instantiate_virtual_regs_in_rtx): New.
7843         (safe_insn_predicate): New.
7844         (instantiate_virtual_regs_in_insn): New.
7845         (instantiate_virtual_regs): Update to match all that.  Only run
7846         instantiate_decls once.
7848 2005-04-29  Richard Henderson  <rth@redhat.com>
7849             Daniel Jacobowitz  <dan@codesourcery.com>
7851         * gengtype.c (write_func_for_structure): Split out ...
7852         (output_type_enum): ... new function.  Fix thinko accessing
7853         TYPE_PARAM_STRUCT data.
7855 2005-04-29  Tom Tromey  <tromey@redhat.com>
7857         * tree.c (build_block): Removed unused 'tags' argument.
7858         * tree.h (build_block): Removed argument.
7860 2005-04-29  Michael Matz  <matz@suse.de>
7862         PR rtl-optimization/21144
7863         * postreload.c (reload_cse_move2add): Check for VOIDmode.
7865 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
7867         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
7868         flag_reorder_blocks.
7870 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
7872         PR tree-optimization/21030
7873         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
7874         ranges where VR->MAX is smaller than VR->MIN.
7876 2005-04-29  Devang Patel  <dpatel@apple.com>
7878         PR tree-optimization/21272
7879         PR tree-optimization/21266
7880         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
7882 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
7884         * tree-flow-inline.h: Fix a comment typo.
7885         * doc/tree-ssa.texi: Fix a typo.
7887         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
7889 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
7891         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
7892         gcc_unreachable as appropriate.
7893         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
7894         fr30_print_operand, fr30_move_double): Likewise.
7895         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
7897 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
7899         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
7900         definition has already been provided.
7901         (ARM_EABI_DTORS_SECTION_OP): Likewise.
7902         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
7903         (ARM_EABI_DTORS_SECTION_OP): Likewise.
7905 2005-04-29  Jim Tison  <jtison@us.ibm.com>
7907         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
7908         trace hooks calls to improve performance.
7910 2005-04-29  Julian Brown  <julian@codesourcery.com>
7911             Mark Mitchell  <mark@codesourcery.com>
7912             Paul Brook  <paul@codesourcery.com>
7914         * crtstuff.c: Handle targets that use .init_array.
7915         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
7916         that INVOKE__main is set correctly.
7917         (expand_main_function): Test INVOKE__main.
7918         * libgcc2.c: Do not define __main when using .init_array.
7919         * config/arm/arm.c (arm_elf_asm_constructor): New function.
7920         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
7921         libgcc version.
7922         (DTORS_SECTION_ASM_OP): Likewise.
7923         (CTOR_LIST_BEGIN): Define specially when in libgcc.
7924         (CTOR_LIST_END): Likewise.
7925         (DTOR_LIST_BEGIN): Likewise.
7926         (DTOR_LIST_END): Likewise.
7927         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
7928         (FINI_SECTION_ASM_OP): Likewise.
7929         (INIT_ARRAY_SECTION_ASM_OP): Define.
7930         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
7931         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
7932         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
7933         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
7934         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
7936 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
7938         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
7939         gcc_assert and gcc_unreachable as appropriate.
7940         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
7941         const_int_cost, output_move_const_into_data_reg,
7942         output_move_qimode, output_move_double, find_addr_reg,
7943         print_operand, print_operand_address): Likewise.
7944         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
7945         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
7946         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
7947         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
7948         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
7949         conditional_trap): Likewise.
7950         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
7952 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
7954         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
7955         gcc_unreachable as appropriate.
7956         (gen_conditional_move, xtensa_split_operand_pair,
7957         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
7958         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
7959         xtensa_copy_incoming_a7, xtensa_output_literal,
7960         xtensa_output_literal, xtensa_output_literal): Likewise.
7961         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
7962         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
7963         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
7964         movsicc_internal1, movsfcc_internal0,
7965         movsfcc_internal1): Likewise.
7967 2005-04-28  James E Wilson  <wilson@specifixinc.com>
7969         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
7970         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
7972 2005-04-28  DJ Delorie  <dj@redhat.com>
7974         * opt-functions.awk (var_set): Emit proper initializer for
7975         non-target bitfields.
7977 2005-04-28  Devang Patel  <dpatel@apple.com>
7979         * dbxout.c (have_used_extensions): Remove.
7980         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
7981         have_used_extensions.
7983 2005-04-28  James E Wilson  <wilson@specifixinc.com>
7985         * doc/install.texi: Update -enable-languages info.  Correct path to
7986         html docs.
7988 2005-04-28  DJ Delorie  <dj@redhat.com>
7990         * optc-gen.awk (END): Make sure no variable is defined more
7991         than once.
7992         * opth-gen.awk (END): Allocate bits on a per-variable basis.
7993         Allow for bitfield variables other than target_flags.
7994         * doc/options.text (Mask): Document that you may specify a
7995         variable other than target_flags.
7997 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
7999         PR rtl-optimization/18877
8000         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
8001         number in val.start.
8003 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
8005         PR target/20813
8006         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
8007         MASK_PPC_GFXOPT.
8008         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
8009         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
8010         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
8012 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
8014         * arm.c (legitimize_pic_address): Fix sense of assertion test for
8015         creating pseudos when the base offset is too large.
8017 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
8019         * global.c (earlyclobber_regclass): Change the type to
8020         VEC(int,heap).
8021         (check_earlyclobber): Update uses of earlyclobber_regclass.
8022         (mark_reg_use_for_earlyclobber): Likewise.
8023         (calculate_local_reg_bb_info): Allocate and free
8024         earlyclobber_regclass using the VEC API.
8026 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
8028         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
8029         assert.
8031 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
8033         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
8034         (*targetm.foo).
8036         * config.gcc: Obsolete c4x-* and tic4x-*.
8038         * tree.h (edge_def): Remove.
8040         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
8041         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
8042         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
8043         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
8044         where appropriate.
8046         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
8047         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
8048         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
8049         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
8050         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
8051         machmode.def, mips-tfile.c, params.c, pretty-print.c,
8052         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
8053         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
8054         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
8055         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
8056         config/i386/cygming.h, config/i386/djgpp.h,
8057         config/i386/lynx.h, config/i386/netware.c,
8058         config/i386/winnt.c, config/ia64/ia64-c.c,
8059         config/iq2000/iq2000.c, config/m32r/little.h,
8060         config/m68k/m68k-protos.h, config/m68k/m68k.h,
8061         config/m68k/m68k.md, config/mcore/mcore.c,
8062         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
8063         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
8064         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
8065         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
8066         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
8067         config/pdp11/pdp11.h, config/rs6000/darwin.h,
8068         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
8069         config/s390/2064.md, config/s390/2084.md,
8070         config/s390/s390-modes.def, config/s390/s390-protos.h,
8071         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
8072         config/stormy16/stormy16.c, config/vax/vax-protos.h,
8073         config/vax/vax.c, config/vax/vax.h,
8074         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
8075         copyright.
8077 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
8079         * c-typeck.c (build_compound_expr): Correct logic in last change.
8081 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
8083         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
8084         parameters.  Replace conditional move code with assert checking for
8085         ar.lc.  Delete obsolete comments.
8086         (set_src_needs_barrier): Delete cond parameter, and code using it.
8087         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
8088         assert checking for PR_REGS.  Fix calls to update_set_flags and
8089         set_src_needs_barrier.
8090         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
8091         callers.  Rewrite explanatory comment before the function.
8092         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
8093         Fix all callers.
8095 2005-04-27  Mike Stump  <mrs@apple.com>
8097         * doc/cpp.texi: gcc now implements universal character names.
8099 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
8101         PR c/21159
8102         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
8103         being a compound expression whose right-hand side is cast to void.
8105 2005-04-27  Caroline Tice  <ctice@apple.com>
8107         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
8108         Remove targetm.have_named_sections test.
8109         (fix_edges_for_rarely_executed_code): Likewise.
8110         (insert_section_boundary_note): Likewise.
8111         (reorder_basic_blocks): Check partitioning flag before calling
8112         verify_hot_cold_block_grouping.
8113         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
8114         the function struct rather than global variables.
8115         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
8116         (COLD_END_LABEL): Likewise
8117         (cold_text_section_label): New static global variable.
8118         (cold_end_label): Likewise.
8119         (dwarf2out_switch_text_section): Get hot/cold section labels from
8120         the function struct rather than global variables; test to make sure
8121         cfun is defined.
8122         (output_aranges): Use cold_text_section_label and cold_end_label;
8123         check partitioning flag before putting out delta.
8124         (output_ranges): Remove incorrect code attempting to use
8125         hot/cold labels.
8126         (output_line_info): Get cold section label from function struct; test
8127         to make sure cfun is defined.
8128         (add_location_or_const_value_attribute): Likewise.
8129         (dwarf2out_var_location): Likewise.
8130         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
8131         write out cold_text_section_label if partition flag is set.
8132         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
8133         * function.h (struct function): Add new fields to point to hot/cold
8134         section labels: hot_section_label, cold_section_label,
8135         hot_section_end_label and cold_section_end_label; also add new field
8136         for cold text section name, unlikely_text_section_name.
8137         * opts.c (decode_options): Turn off partitioning flag if
8138         !targetm.have_named_sections.
8139         * output.h (hot_section_label): Remove.
8140         (hot_section_end_label): Remove.
8141         (cold_section_end_label): Remove.
8142         (unlikely_section_label): Remove.
8143         (unlikely_text_section_name): Remove.
8144         * passes.c (rest_of_handle_final):  Remove extra blank line.
8145         * varasm.c (unlikely_section_label): Remove.
8146         (hot_section_label): Remove.
8147         (hot_section_end_label): Remove.
8148         (cold_section_end_label): Remove.
8149         (unlikely_text_section_name):  Remove.
8150         (initialize_cold_section_name): Modify to call
8151         targetm.strip_name_encoding; to store cold section name in current
8152         function struct, if it exists; and to only use the decl_section_name
8153         if flag_named_sections is true.
8154         (unlikely_text_section): Modify to get section name out of current
8155         function struct, if there is one; otherwise build it from
8156         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
8157         (in_unlikely_text_section): Likewise.
8158         (named_section): Modify to get/put cold section name in current function
8159         struct, if there is one.
8160         (function_section):  Change 'bool unlikely' to 'int reloc'; check
8161         targetm.have_named_sections before calling named_section.
8162         (current_function_section): Likewise.
8163         (assemble_start_function): Modify to get/put unlikely_text_section_name
8164         in current function struct; modify to get hot/cold section labels
8165         from function struct; initialize labels using
8166         ASM_GENERATE_INTERNAL_LABEL;
8167         test partitioning flag before writing out hot section label.
8168         (assemble_end_function): Test partitioning flag before writing out
8169         hot/cold section labels.
8170         (default_section_type_flags_1):  Get cold text section name from
8171         function struct if there is one; Set flags correctly for
8172         cold text section if there is not a current function struct.
8174 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
8176         * tree-ssa-propagate.c (set_rhs): Revert last change.
8178 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
8180         * explow.c (convert_memory_address): Add gcc_assert.
8182 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
8184         * configure.ac: Check for ld --sysroot support.
8185         * gcc.c: Document %R specifier for specs.
8186         (SYSROOT_SPEC): New macro.
8187         (sysroot_spec): New variable.
8188         (static_specs): Add sysroot_spec.
8189         (main): Pass the sysroot spec to the linker if appropriate.
8190         * configure: Regenerated.
8191         * config.in: Likewise.
8193 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
8195         * fold-const.c (fold_binary): Use build_fold_addr_expr
8196         for address calculation and INDIRECT_REF handling.
8198 2005-04-27  Andrew Haley  <aph@redhat.com>
8200         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
8202 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
8204         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
8205         pointer when thumb backtracing is on.
8207         * config/fp-bit.c (abort): Revert change.
8209 2005-04-27  Ian Lance Taylor  <ian@airs.com>
8211         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
8213 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
8215         * tree-ssa-dce.c: Fix a comment typo.
8217 2005-04-27  David S. Miller  <davem@davemloft.net>
8219         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
8220         Kill setjmpless_size.  current_function_calls_setjmp is completely
8221         computed when we are called, so just use the optimized size value
8222         instead of using REG_SAVE_AREA notes.
8223         (optimize_save_area_alloca): Delete....
8224         * rtl.h (optimize_save_area_alloca): Likewise...
8225         * passes.c (rest_of_compilation): and don't call it any more.
8226         * reg-notes.def (SAVE_AREA): Delete.
8228 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
8230         * config/fp-bit.c (abort): Add noreturn attribute.
8232         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
8233         gcc_unreachable as appropriate.
8234         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
8235         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
8236         ASM_OUTPUT_REG_POP): Likewise.
8238 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
8240         * tree-complex.c (expand_vector_operations_1): Do not build
8241         VIEW_CONVERT_EXPR's for the lhs.
8243 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
8245         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
8246         unnecessary noncanonical RTL handling.
8247         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
8248         gcc_assert and gcc_unreachable.
8250         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
8251         gcc_unreachable as appropriate.
8252         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
8253         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
8254         use_return_insn, const_ok_for_op, arm_gen_constant,
8255         arm_canonicalize_comparison, legitimize_pic_address,
8256         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
8257         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
8258         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
8259         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
8260         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
8261         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
8262         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
8263         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
8264         output_call, output_mov_long_double_fpa_from_arm,
8265         output_mov_long_double_arm_from_fpa,
8266         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
8267         output_move_double, arithmetic_instr, shift_op, int_log2,
8268         output_return_instruction, arm_output_function_prologue,
8269         arm_output_epilogue, arm_output_function_epilogue,
8270         emit_multi_reg_push, arm_get_frame_offsets,
8271         arm_compute_initial_elimination_offset, arm_expand_prologue,
8272         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
8273         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
8274         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
8275         thumb_compute_initial_elimination_offset,
8276         thumb_output_function_prologue, thumb_load_double_from_address,
8277         thumb_output_move_mem_multiple, thumb_reload_out_hi,
8278         arm_emit_vector_const, arm_dbx_register_number): Likewise.
8279         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
8280         * config/arm/arm.md (thumb_extendhisi2,
8281         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
8282         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
8283         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
8284         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
8285         * config/arm/cirrus.md (*cirrus_arm_movdi,
8286         *cirrus_movdf_hard_insn): Likewise.
8287         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8289 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
8291         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
8292         (num_ssa_names): Use VEC_length.
8293         (ssa_names): Use VEC_index.
8294         * tree-ssanames.c (ssa_names): Change the type to
8295         VEC(tree,gc).
8296         (init_ssanames, fini_ssa_names, make_ssanames,
8297         release_ssa_name): Update uses of ssa_names.
8299         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
8300         Use fold_buildN instead of fold (buildN (...)).
8302 2005-04-27  Devang Patel <dpatel@apple.com>
8304         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
8306 2005-04-27  Matt Thomas <matt@3am-software.com>
8307             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
8309         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
8310         (vax_output_mi_thunk): Ditto.
8311         (vax_notice_cc_update): Ditto.
8312         (INDEX_REGISTER_P): Add trailing \.
8313         (BASE_REGISTER_P): Add trailing \.
8314         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
8316 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
8318         * tree-ssa-propagate.c (set_rhs): Check operand of
8319         ADDR_EXPR for gimpliness, too.
8321 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
8323         * tree-ssa-pre.c: Fix a comment typo.
8325 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
8327         PR tree-optimization/21171
8328         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
8329         record address uses if the reference is volatile.
8331 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
8333         * tree-complex.c (expand_vector_operation): New, extracted from
8334         expand_vector_operations_1.
8335         (tree_vec_extract): Build a NOP_EXPR.
8336         (expand_vec_parallel): Do not care about returning the correct type.
8337         (expand_vector_operations_1): Call expand_vector_operation.
8338         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
8340         * tree-complex.c (gate_expand_vector_operations): New.
8341         (pass_lower_vector_ssa): Use it.
8342         * tree-optimize.c (init_tree_optimization_passes): Include
8343         pass_lower_vector_ssa.
8344         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
8345         (vectorizable_operation): Use it.
8346         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
8347         integer modes for the vector type.
8349         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
8350         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
8351         Do not cope with UNITS_PER_SIMD_WORD == 0.
8352         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
8353         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
8354         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
8355         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
8356         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
8357         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
8358         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
8360         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
8361         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
8362         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
8364         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
8365         (UNITS_PER_SIMD_WORD): New.
8367 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
8369         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
8370         gcc_unreachable as appropriate.
8371         (ia64_expand_load_address, ia64_expand_tls_address,
8372         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
8373         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
8374         next_scratch_gr_reg, ia64_initial_elimination_offset,
8375         ia64_expand_prologue, ia64_expand_epilogue,
8376         ia64_output_dwarf_dtprel, ia64_print_operand,
8377         ia64_register_move_cost, first_instruction, rws_access_regno,
8378         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
8379         ia64_sched_init, ia64_variable_issue,
8380         ia64_first_cycle_multipass_dfs_lookahead_guard,
8381         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
8382         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
8383         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
8384         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
8385         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
8386         * config/ia64/predicates.md (got_symbolic_operand,
8387         sdata_symbolic_operand): Likewise.
8388         * config/ia64/vect.md (vcondv2sf): Likewise.
8390 2005-04-27  Matt Thomas <matt@3am-software.com>
8392         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
8393         CONSTANT_ADDRESS_P in config/vax/vax.h
8394         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h.
8395         (INDEX_REGISTER_P): New.
8396         (BASE_REGISTER_P): New.
8397         (indirectable_constant_address_p): New.  Adapted from
8398         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
8399         (indirectable_address_p): New.  Adapted from
8400         INDIRECTABLE_ADDRESS_P in vax.h.
8401         (nonindexed_address_p): New.  Adapted from
8402         GO_IF_NONINDEXED_ADDRESS in vax.h.
8403         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
8404         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
8405         (legitimate_address_p): New.  Adapted from
8406         GO_IF_LEGITIMATE_ADDRESS in vax.h.
8407         (vax_mode_dependent_address_p): New.  Adapted from
8408         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
8409         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
8410         legitimate_constant_address_p.
8411         (CONSTANT_P): Use legitimate_constant_p.
8412         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
8413         (INDIRECTABLE_ADDRESS_P): Removed.
8414         (GO_IF_NONINDEXED_ADDRESS): Removed.
8415         (INDEX_TEMP_P): Removed.
8416         (GO_IF_REG_PLUS_INDEX): Removed.
8417         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
8418         definitions, depending on whether REG_OK_STRICT is defined.
8419         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
8420         Two definitions, depending on whether REG_OK_STRICT is defined.
8421         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
8422         added.
8423         (legitimate_constant_p): Prototype added.
8424         (legitimate_address_p): Prototype added.
8425         (vax_mode_dependent_address_p): Prototype added.
8427 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
8429         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
8431 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
8433         PR c/21213
8434         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
8435         transparent union.
8437 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
8439         PR c/20740
8440         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
8441         assertion failures, if __gcc_host_wide_int__ is not properly
8442         defined.
8443         (init_dynamic_diag_info): Give errors, not assertion failures, if
8444         location_t, tree or __gcc_host_wide_int__ are not properly
8445         defined.
8447 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
8449         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
8450         n_iv_uses, iv_use, n_iv_cands, iv_cand,
8451         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
8452         prepare_decl_rtl, free_loop_data,
8453         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
8454         VARRAY.
8456         * tree.h (tree_phi_node): Add a comment about the order of PHI
8457         arguments.
8459 2005-04-26  Paul Brook  <paul@codesourcery.com>
8461         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
8463 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
8465         * config/mips.mips.c (mips_legitimize_tls_address): Use
8466         gcc_unreachable.
8468         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
8469         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
8470         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
8472         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
8473         'abort'.
8475 2005-04-26  Jeff Law  <law@redhat.com>
8477         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
8478         (op_iter_init_must_and_may_def): Likewise.
8479         (unmodifiable_var_p): Move to a later point in the file.
8480         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
8481         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
8482         (dse_record_phis): Directly check for virtual operands rather than
8483         using need_imm_uses_for.
8484         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
8485         store has multiple V_{MAY,MUST}_DEF operands.
8487 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
8489         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
8490         stmt.
8492 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
8494         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
8495         call to find_edge outside a loop to go through a PHI chain.
8497 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
8499         PR tree-optimization/17598
8500         * fold-const.c (fold_binary): Fold comparisons of addresses
8501         of COMPONENT_REFs which reference the same field to
8502         comparisons of the addresses of the base objects.
8504 2005-04-26  Julian Brown  <julian@codesourcery.com>
8506         * config/arm/arm.c (arm_return_in_msb): New function.
8507         (arm_must_pass_in_stack): New function.
8508         (TARGET_RETURN_IN_MSB): Define target hook.
8509         (TARGET_MUST_PASS_IN_STACK): Define target hook.
8510         (arm_function_value): Pad small aggregate return.
8511         (arm_pad_arg_upward): New function.
8512         (arm_pad_reg_upward): New function.
8513         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
8514         (FUNCTION_ARG_PADDING): Define macro.
8515         (BLOCK_REG_PADDING): Define macro.
8516         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
8517         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
8518         (arm_pad_reg_upward): Declare function.
8520 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
8522         * basic-block.h (ei_cond): New.
8523         (FOR_EACH_EDGE): Call ei_cond.
8525         PR tree-optimization/21047
8526         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
8527         (fold): Don't handle ASSERT_EXPR.
8529 2005-04-25  Roger Sayle  <roger@eyesopen.com>
8531         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
8532         all writes to any stack register as a read/write dependency on
8533         FIRST_STACK_REG.
8534         (sched_analyze_2): Likewise, for reads from any stack register.
8536 2005-04-25  Richard Henderson  <rth@redhat.com>
8538         * final.c (output_addr_const): Revert 2005-04-09 change.
8540 2005-04-25  Mike Stump  <mrs@apple.com>
8542         * config/darwin.c (darwin_encode_section_info): Always set
8543         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
8545 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8547         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
8548         gensupport.c, protoize.c, toplev.c: Replace calls to
8549         `unlock_stream' with `unlock_std_streams'.
8551 2005-04-25  Devang Patel <dpatel@apple.com>
8553         * dbxout.c (dbxout_type): Emit attribute vector.
8555 2005-04-05  Paul Brook  <paul@codesourcery.com>
8557         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
8558         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
8559         * config/arm/arm.c (arm_cxx_atexit_name): New function.
8560         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
8561         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
8562         (register_dtor_fn): Likewise.
8563         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
8565 2005-04-25  Ian Lance Taylor  <ian@airs.com>
8567         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
8568         * c-common.h (EXPR_STMT_EXPR): Don't define.
8569         (c_common_stmt_codes): Don't define.
8570         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
8571         * c-gimplify.c (gimplify_expr_stmt): Remove.
8572         (c_gimplify_expr): Remove EXPR_STMT case.
8573         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
8574         to INIT_STATEMENT_CODES.
8575         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
8577 2005-04-25  Jan Hubicka  <jh@suse.cz>
8579         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
8581         * except.c: Include diagnostic.h
8582         (dump_eh_tree, verify_eh_tree): New functions.
8583         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
8584         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
8585         (dump_function_to_file): dump eh tree.
8586         * tree-eh.c (mark_eh_edge): New function.
8587         (mark_eh_edge_found_error): New static variable.
8588         (verify_eh_edges): New function.
8590 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
8592         * tree-ssa-alias.c (fieldoff_t): Remove.
8593         (fieldoff_s): typedef the structure itself.  Create a vector of
8594         objects.
8595         (push_fields_onto_fieldstack): Return count of fields pushed.
8596         Remove peeling of first field.  Adjust.
8597         (fieldoff_compare): Adjust.
8598         (create_overlap_variables_for): Adjust.
8600 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
8602         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
8604 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
8606         PR bootstrap/21215
8607         * doc/install.texi: Document correct assembler and linker to use
8608         on i?86-*-solaris2.10.
8610 2005-04-25  Steven Bosscher  <stevenb@suse.de>
8612         Fix PR tree-optimization/21173
8614         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
8615         Unshare expression we pass to force_gimple_operand.
8617 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
8618             Stephen Clarke <stevec@superh.com>
8619             Roger Sayle <roger@eyesopen.com>
8621         PR rtl-optimization/20413
8622         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
8623         VOIDmode for LABEL_REF.
8624         * final.c (shorten_branches): Likewise.
8625         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
8626         * loop.c (reg_dead_after_loop): Likewise.
8627         * varasm.c (decode_addr_const): Likewise.
8628         * doc/rtl.texi: Document mode requirement for LABEL_REF.
8630 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
8632         * config.gcc (avr-*-*): Remove redundant "case".
8634 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
8636         * tree-vect-analyze.c (vect_mark_relevant): Take
8637         VEC(tree,heap) instead of varray_type as an argument.
8638         (vect_mark_stmts_to_be_vectorized): Change the type of
8639         worklist to VEC(tree,heap).  Adjust uses of worklist.
8641 2005-04-24  Devang Patel  <dpatel@apple.com>
8643         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
8645 2005-04-24  Ian Lance Taylor  <ian@airs.com>
8647         * c-semantics.c (build_stmt): Remove test of specific tree codes
8648         for TREE_SIDE_EFFECTS handling.
8650 2005-04-24  Per Bothner  <per@bothner.com>
8652         * c-opts.c (finish_options):  Make the line-number of the <built-in>
8653         location 0, as assumed elsewhere, rather than 1.
8655 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
8657         * tree-ssa-uncprop.c (equiv_stack): Change the type o
8658         VEC(tree,heap).
8659         (tree_ssa_uncprop, uncprop_finalize_block,
8660         uncprop_initialize_block): Update uses of equiv_stack.
8662 2005-04-24  Richard Henderson  <rth@redhat.com>
8664         PR rtl-opt/21163
8665         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
8666         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
8667         constm1_rtx.
8668         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
8669         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
8670         <DIV, MOD>: Likewise.
8672 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8674         * collect2.c (main): Unlock the stdio streams.
8675         * gcc.c (main): Likewise.
8676         * gcov-dump.c (main): Likewise.
8677         * gcov.c (main): Likewise.
8678         * gen-protos.c (main): Likewise.
8679         * gensupport.c (init_md_reader_args_cb): Likewise.
8680         * protoize.c (main): Likewise.
8681         * toplev.c (general_init): Likewise.
8683 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
8685         PR middle-end/20991
8686         * cgraph.h (cgraph_local_info): Add vtable_method field.
8687         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
8688         and node is vtable_method, finalized and not reachable, don't do
8689         anything.
8691 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
8693         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
8694         COMPARISON_CLASS_P.
8695         * tree-ssa-pre.c (create_value_expr_from): Use
8696         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
8697         * tree-ssa-propagate.c (stmt_makes_single_load,
8698         stmt_makes_single_store): Use REFERENCE_CLASS_P.
8699         * tree-vect-transform.c (vect_is_simple_cond): Use
8700         COMPARISON_CLASS_P.
8701         * tree-vrp.c (extract_range_from_assert,
8702         build_assert_expr_for, fp_predicate, has_assert_expr): Use
8703         COMPARISON_CLASS_P.
8705         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
8706         of tpa_to_clear to VEC(int,heap).  Update uses of
8707         tpa_to_clear.  Free tpa_to_clear at the end.
8709 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
8711         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
8712         function decl.
8714 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
8716         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
8717         and gcc_unreachable as appropriate.
8718         (num_insns_constant, output_vec_const_move,
8719         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
8720         rs6000_emit_set_const, rs6000_emit_move,
8721         spe_build_register_parallel, function_arg,
8722         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
8723         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
8724         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
8725         rs6000_common_init_builtins, expand_block_clear,
8726         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
8727         extract_ME, rs6000_get_some_local_dynamic_name,
8728         rs6000_output_function_entry, print_operand,
8729         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
8730         output_cbranch, output_e500_flip_gt_bit,
8731         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
8732         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
8733         compute_save_world_info, rs6000_stack_info,
8734         rs6000_emit_load_toc_table, rs6000_frame_related,
8735         spe_synthesize_frame_save, rs6000_emit_epilogue,
8736         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
8737         output_function_profiler, rs6000_trampoline_size,
8738         rs6000_initialize_trampoline, find_addr_reg,
8739         rs6000_machopic_legitimize_pic_address,
8740         rs6000_initial_elimination_offset,
8741         rs6000_dbx_register_number): Likewise.
8742         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
8743         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
8744         *movti_power, *movti_string, call, call_value, sibcall,
8745         sibcall_value): Likewise.
8746         * config/rs6000/spe.md (*movdf_e500_double,
8747         *movv2si_internal): Likewise.
8748         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
8749         from comment.
8751 2005-04-24  Richard Henderson  <rth@redhat.com>
8753         PR target/21101
8754         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
8755         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
8756         Deny modes smaller than 4 bytes.
8757         * config/i386/i386-protos.h: Update.
8759 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
8761         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
8762         Switch h8300-*-rtems* to ELF.
8764 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
8766         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
8768 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
8770         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
8772 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
8774         PR middle-end/21082
8775         * fold-const.c: Fold &a[i]-&a[j] to i-j.
8777 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
8779         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
8780         definitions of ssa names in condition.  Split recusive part to ...
8781         (tree_simplify_using_condition_1): New function.
8782         (expand_simple_operations): New function.
8784 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
8786         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
8787         (find_interesting_uses_cond): Do not use integer_zerop and
8788         integer_nonzerop to check for integer constants.
8789         (set_use_iv_cost): Record the value field.
8790         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
8791         determine_use_iv_cost_outer): Set the value field of the cost pair.
8792         (may_eliminate_iv): Do not return the comparison code.
8793         (iv_elimination_compare): New function.
8794         (determine_use_iv_cost_condition): Set the value field.  Record
8795         noneliminable invariants correctly.
8796         (rewrite_use_compare, rewrite_use_outer): Use the value field.
8798 2005-04-23  DJ Delorie  <dj@redhat.com>
8800         * diagnostic.c (warning): Accept parameter to classify warning option.
8801         (warning0): New, for when a pointer to an error() like function is needed.
8802         * errors.c (warning): Likewise.
8803         * errors.h (warning, warning0): Adjust prototypes.
8804         * toplev.h (warning, warning0): Likewise.
8806         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
8807         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
8808         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
8809         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
8810         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
8811         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
8812         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
8813         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
8815         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
8816         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
8817         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
8818         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
8819         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
8820         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
8821         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
8822         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
8823         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
8824         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
8825         config/rs6000/aix52.h, config/rs6000/darwin.h,
8826         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
8827         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
8828         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
8829         config/stormy16/stormy16.c, config/v850/v850-c.c,
8830         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
8831         callers.
8833 2005-04-23  Richard Henderson  <rth@redhat.com>
8835         PR rtl-opt/21102
8836         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
8837         performing some integral scalar simplifications.
8839 2005-04-23  Richard Henderson  <rth@redhat.com>
8841         PR target/21099
8842         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
8843         simplifying CONST_VECTOR.
8845 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
8847         * tree-ssa-live.c (live_worklist): Take a stack allocated on
8848         heap as an argument.  Update uses of stack.
8849         (calculate_live_on_entry): Allocate stack on heap.
8851         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
8852         partition_link and tpa_nodes on heap.
8854         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
8855         (mark_stmt_necessary, propagate_necessity,
8856         mark_really_necessary_kill_operand_phis): Update uses of
8857         worklist.
8858         (tree_dce_init): Allocate worklist using VEC_alloc.
8859         (tree_dce_done): Free worklist using VEC_free.
8861 2005-04-23  Mike Stump  <mrs@apple.com>
8863         * config/darwin.c (machopic_indirection_name): Don't use
8864         quotes needlessly.
8865         (darwin_emit_unwind_label): Use user_label_prefix instead of
8866         "_".
8868 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
8870         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
8872 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
8874         * config.gcc <cris-*>: Specify .opt files.
8875         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
8876         config/cris/linux.opt: New files.
8877         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
8878         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
8879         (TARGET_ELF): Override to 0.
8880         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
8881         -melinux-stacksize=N.
8882         * config/cris/cris.c: (cris_handle_option): New function.
8883         (TARGET_DEFAULT_TARGET_FLAGS): Override.
8884         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
8885         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
8886         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
8887         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
8888         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
8889         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
8890         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
8891         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
8892         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
8893         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
8894         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
8895         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
8896         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
8897         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
8898         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
8899         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
8900         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
8901         (TARGET_LINUX): Define 0.
8902         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
8903         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
8904         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
8905         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
8906         (TARGET_LINUX): Override to 1.
8907         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
8909 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
8911         * haifa-sched.c (schedule_block): Fix thinko in previous
8912         assertification patch.
8914 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
8916         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
8917         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
8918         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
8919         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
8920         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
8921         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
8922         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
8923         for hpux11.[1-9]*.
8924         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
8925         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
8926         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
8927         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
8928         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
8929         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
8930         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
8931         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
8932         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
8933         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
8934         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
8935         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
8936         (SUBTARGET_OPTIONS): Delete.
8937         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
8938         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
8939         instead of a string.
8940         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
8941         (pa_cpu_string, pa_unix_string): Delete.
8942         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
8943         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
8944         TARGET_HPUX_10_10.
8945         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
8946         (pa_handle_option): New function.
8947         (override_options): Remove handling of -march=, -mfixed-range=,
8948         -mschedule= and -munix=.
8949         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
8950         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
8951         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
8952         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
8953         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
8954         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
8955         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
8956         redefining.
8957         * config/pa/pa.opt: New file.
8958         * config/pa/pa-hpux.opt: New file.
8959         * config/pa/pa-hpux1010.opt: New file.
8960         * config/pa/pa-hpux1111.opt: New file.
8961         * config/pa/pa64-hpux.opt: New file.
8963 2005-04-22  David S. Miller  <davem@davemloft.net>
8965         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
8966         integer when it's mode is VOIDmode not DImode.
8968 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
8970         * config/rs6000/rs6000.md (sync_add<mode>_internal,
8971         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
8972         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
8973         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
8974         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
8975         "bne- $-xxx" rather than local labels.
8976         (sync_lock_release<mode>): Add second operand.
8977         (lwsync): Use .long rather than a more meaningful opcode.
8978         * doc/md.texi (Standard Names): Add description of second
8979         parameter to sync_lock_test_and_set.
8981 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
8983         PR tree-optimization/21088
8984         * fold-const.c (fold_unary, fold_binary, fold_ternary):
8985         Export.
8986         * tree-vrp.c (compare_values): Use fold_binary to compare
8987         pointers.  Use boolean_type_node as the type of a comparison
8988         expression being folded.
8989         * tree.h: Add prototypes for fold_unary, fold_binary,
8990         fold_ternary.
8992         * tree-ssa-dom.c: Fix formatting.
8994 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
8996         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
8997         * lambda-code.c (perfect_nestify): Mark virtual operands in
8998         the moved statement for renaming.
8999         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
9000         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
9001         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
9002         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
9003         * tree-flow.h (struct var_ann_d): Update comments.
9004         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
9005         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
9006         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
9007         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
9008         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
9009         debug_names_replaced_by): Remove declarations.
9010         (delete_update_ssa, get_current_def, set_current_def): Declare.
9011         (rewrite_into_loop_closed_ssa): Add new argument.  Update
9012         all callers.
9013         * tree-into-ssa.c: Include params.h.
9014         (old_virtual_ssa_names): Remove.  Update all users.
9015         (need_to_replace_names_p): Remove.  Update all users.
9016         (struct update_ssa_stats_d): Declare.
9017         (update_ssa_stats): New local.
9018         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
9019         dump_tree_ssa_stats, debug_tree_ssa_stats,
9020         dump_update_ssa, debug_update_ssa,
9021         dump_names_replaced_by, debug_names_replaced_by): Declare.
9022         (get_current_def, set current_def): Make extern.
9023         (is_old_name, is_new_name): Protect against references
9024         past the end of the sets.
9025         (add_new_name_mapping): Assert that OLD and NEW are
9026         different SSA names for the same symbol.
9027         When adding a virtual mapping, update stats for virtual
9028         mapping heuristic.
9029         (insert_phi_nodes_for): If UPDATE_P is true, create the
9030         LHS of the new PHI by duplicating SSA name VAR.
9031         (insert_phi_nodes_1): Remove.  Update all users.
9032         (insert_phi_nodes): Remove second argument.  Update all
9033         users.
9034         (maybe_replace_use, maybe_replace_def): New.
9035         (rewrite_update_stmt): Call them.
9036         (mark_def_interesting): Remove calls to is_gimple_reg.
9037         (prepare_phi_args_for_update): Remove.  Update all users.
9038         (prepare_block_for_update): Only process virtual operands
9039         and GIMPLE registers in normal form.
9040         (prepare_use_sites_for): New.
9041         (prepare_names_to_update): Rename from prepare_def_sites.
9042         Call prepare_use_sites_for.
9043         (dump_update_ssa): Rename from dump_repl_tbl.
9044         Update all users.
9045         Show statistics for virtual mapping heuristic.
9046         (debug_update_ssa): Rename from debug_debug_repl_tbl.
9047         (init_update_ssa): Initialize UPDATE_SSA_STATS.
9048         (delete_update_ssa): Make extern.
9049         (mark_set_for_renaming): If the set is empty, do nothing.
9050         (release_ssa_name_after_update_ssa): Update comment.
9051         (insert_updated_phi_nodes_for): Do not remove existing
9052         PHI nodes for symbols.
9053         (switch_virtuals_to_full_rewrite_p): New.
9054         (switch_virtuals_to_full_rewrite): New.
9055         (update_ssa): Call them.
9056         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
9057         for every statement before updating.
9058         If all the names in NEW_SSA_NAMES have been marked for
9059         removal, do nothing.
9060         Only start at the top of the CFG if there are symbols in
9061         SYMS_TO_RENAME.
9062         (ssa_rewrite_finalize_block): Remove.
9063         (ssa_register_new_def): Remove.
9064         (ssa_rewrite_stmt): Remove.
9065         (ssa_rewrite_phi_arguments): Remove.
9066         (ssa_rewrite_initialize_block): Remove.
9067         (ssa_mark_def_sites): Remove.
9068         (ssa_mark_def_sites_initialize_block): Remove.
9069         (ssa_mark_phi_uses): Remove.
9070         (rewrite_ssa_into_ssa): Remove.
9071         * tree-phinodes.c (find_phi_node_for): Remove.
9072         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
9073         Call update_ssa.
9074         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
9075         Remove calls to verify_dominators and
9076         verify_loop_structure.
9077         (tree_unswitch_single_loop): Call update_ssa.
9078         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
9079         returns false.
9080         Call verify_stmts.
9081         (delete_tree_ssa): Assert that need_ssa_update_p returns
9082         false.
9083         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
9084         * tree-vectorizer.c (allocate_new_names, rename_def_op,
9085         free_new_names): Remove.  Update all users.
9086         (rename_use_op): Call get_current_def.
9087         (rename_variables_in_bb): Do not handle any real or
9088         virtual definition.
9089         (slpeel_update_phis_for_duplicate_loop): Call
9090         get_current_def and set_current_def instead of using
9091         SSA_NAME_AUX.
9092         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
9093         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
9094         ssa_names_to_replace and delete_update_ssa.
9095         * doc/invoke.texi: Document --param min-virtual-mappings
9096         and --param virtual-mappings-ratio.
9098 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
9100         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
9101         for newly created PHI nodes.
9102         Call create_new_def_for for every new V_MAY_DEF and
9103         V_MUST_DEF on the copied statement.
9104         (struct ssa_name_map_entry): Remove.
9105         (ssa_name_map_entry_hash): Remove.
9106         (ssa_name_map_entry_eq): Remove.
9107         (allocate_ssa_names): Remove.
9108         (rewrite_to_new_ssa_names_def): Remove.
9109         (rewrite_to_new_ssa_names_use): Remove.
9110         (rewrite_to_new_ssa_names_bb): Remove.
9111         (rewrite_to_new_ssa_names): Remove.
9112         (tree_duplicate_sese_region): Remove variables ver,
9113         definitions, phi, ssa_name_map and bi.
9114         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
9115         Call update_ssa.
9116         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
9117         update_ssa instead of rewrite_ssa_into_ssa.
9118         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
9119         create_new_def_for.
9120         (find_uses_to_rename_use): Add argument 'need_phis'.
9121         (find_uses_to_rename_stmt): Do not scan virtual operands.
9122         (find_uses_to_rename): Only scan PHI nodes for
9123         non-virtual names.
9124         (rewrite_into_loop_closed_ssa): Call update_ssa.
9125         (check_loop_closed_ssa_use): Ignore virtual operands.
9126         (check_loop_closed_ssa_stmt): Likewise.
9127         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
9128         NULL.
9129         (rename_variables, set_phi_def_stmts): Remove.
9130         (tree_duplicate_loop_to_header_edge): Reformat comment.
9131         Remove variables BB, I and DEFINITIONS.
9132         Call need_ssa_update_p.
9133         Call update_ssa.
9134         (lv_adjust_loop_header_phi): Reformat comment.
9135         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
9136         (marked_for_rewrite_p, any_marked_for_rewrite_p,
9137         mark_for_rewrite, unmark_all_for_rewrite,
9138         marked_ssa_names): Remove.  Update all users.
9139         (release_ssa_name): If VAR has been registered for SSA
9140         updating, do nothing.
9141         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
9142         (build_assert_expr_for): Call register_new_name_mapping.
9143         (insert_range_assertions): Update call to update_ssa.
9144         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
9145         marked_for_rewrite_p, any_marked_for_rewrite_p,
9146         marked_ssa_names): Remove.
9148 2005-04-22  Jeff Law  <law@redhat.com>
9150         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
9151         (restore_currdefs_to_original_value): Likewise.
9152         (register_definitions_for_stmt): Likewise.
9153         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
9154         for each variable.  Do not allocate/free block_defs_stack either.
9155         Do not iterate if we just thread jumps.  Only iterate if the
9156         tree_cleanup_cfg does useful work (temporary).
9157         (dom_opt_initialize_block): No longer push a marker on
9158         BLOCK_DEFS_STACK.
9159         (dom_opt_finalize_block): Removal call to restore currdefs.
9160         Relax restrictions for recording edge equivalences.
9161         (record_equivalences_from_phis): No longer need to track
9162         CURRENT_DEF.
9163         (optimize_stmt): Similarly.
9164         (thread_across_edge): Simplify by removing the requirement that
9165         statements in the block we are threading through must be nops.
9166         (initialize_hash_element): Handle GOTO_EXPR.
9168 2005-04-22  David S. Miller  <davem@davemloft.net>
9170         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
9171         CONST_DOUBLE_HIGH.
9172         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
9173         fix check on CONST_DOUBLE mode.  It should be VOIDmode
9174         when it is representing an integer.
9176 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
9178         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
9179         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
9180         * c-format.c (get_constant, decode_format_attr, get_flag_spec,
9181         find_char_info_specifier_index,
9182         find_length_info_modifier_index): Likewise.
9183         * c-typeck.c (composite_type, pop_init_level): Likewise.
9184         * combine.c (cant_combine_insn_p, try_combine): Likewise.
9185         * cse.c (cse_insn): Likewise
9186         * dominance.c (calc_dfs_tree): Likewise
9187         dwarf2out.c (loc_descriptor_from_tree_1,
9188         add_abstract_origin_attribute, force_decl_die,
9189         force_type_die): Likewise
9190         emit-rtl.c (operand_subword_force): Likewise
9191         explow.c (hard_function_value): Likewise
9192         expmed.c (store_bit_field, expand_divmod,
9193         emit_store_flag_force): Likewise
9194         expr.c (emit_move_multi_word, store_expr,
9195         expand_expr_real_1): Likewise
9196         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
9197         output_operand): Likewise
9198         flow.c (recompute_reg_usage): Likewise
9199         * function.c (assign_stack_temp_for_type, assign_temp,
9200         handle_epilogue_set): Likewise
9201         * genextract.c (main): Likewise
9202         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
9203         gimplify_modify_expr_rhs, gimplify_expr): Likewise
9204         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
9205         ready_remove, rm_line_notes, rm_other_notes,
9206         schedule_block): Likewise
9207         mips-tfile.c (copy_object, out_of_bounds): Likewise
9209 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
9211         PR target/20813
9212         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
9213         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
9214         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
9215         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
9216         TARGET_XL_COMPAT.
9217         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
9219 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
9221         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
9222         (gcc_tree_to_linear_expression): Convert to heap allocated
9223         vectors.
9224         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
9225         lbv_to_gcc_expression, lle_to_gcc_expression,
9226         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
9227         perfect_nestify): Likewise.
9228         lambda.h (gcc_loopnest_to_lambda_loopnest,
9229         lambda_loopnest_to_gcc_loopnest): Likewise.
9230         tree-loop-linear.c (linear_transform_loops): Likewise.
9232 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
9234         * config/sparc/predicates.md (arith_double_operand): Use
9235         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
9236         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
9237         (DImode, DFmode constant splitters): Likewise.  Remove code for
9238         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
9239         (logical constant splitters): Use const_int_operand predicate.
9240         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
9241         HOST_BITS_PER_WIDE_INT < 64.
9243 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
9245         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
9246         gcc_unreachable as appropriate.
9247         (force_mode, emit_move_sequence, singlemove_string,
9248         output_move_double, output_fp_move_double, find_addr_reg,
9249         output_block_move, output_block_clear, output_and,
9250         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
9251         pa_adjust_cost, pa_issue_rate, print_operand,
9252         output_global_address, output_arg_descriptor, output_cbranch,
9253         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
9254         output_call): Likewise.
9255         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
9256         prefetch, prefetch_cc, prefetch_nocc): Likewise.
9258 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
9260         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
9261         _gcov_pow2_profiler and _gcov_one_value_profiler.
9262         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
9263         (GTFILES): Add $(srcdir)/tree-profile.c.
9264         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
9265         __gcov_one_value_profiler): Declare.
9266         * gimplify.c (force_gimple_operand): Check whether the statements
9267         should be produced in ssa form.
9268         (force_gimple_operand_bsi): New function.
9269         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
9270         __gcov_one_value_profiler): New functions.
9271         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
9272         the profiled value is a power of two or not.
9273         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
9274         * tree-flow.h (in_ssa_p): Declare.
9275         (force_gimple_operand_bsi): Declare.
9276         * tree-into-ssa.c (in_ssa_p): New variable.
9277         (rewrite_into_ssa): Set in_ssa_p.
9278         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
9279         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
9280         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
9281         tree_one_value_profiler_fn): New variables.
9282         (tree_init_edge_profiler): Initialize the profiler function decls.
9283         (tree_gen_edge_profiler): Use global gcov_type_node.
9284         (prepare_instrumented_value): New function.
9285         (tree_gen_interval_profiler, tree_gen_interval_profiler,
9286         tree_gen_one_value_profiler): Call the library functions instead of
9287         creating instrumentation code.
9288         * tree.c (build_fn_decl): New function.
9289         * tree.h (build_fn_decl): Declare.
9290         * value-prof.c (rtl_divmod_values_to_profile,
9291         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
9292         tree_mod_pow2_value_transform, tree_find_values_to_profile):
9293         Do not handle may_be_other and precise values of exponents at pow2
9294         profiler.
9295         (tree_mod_subtract_transform): Reflect that value field of
9296         histogram has changed meaning.
9297         (tree_divmod_values_to_profile): Record the values correctly.
9298         (tree_values_to_profile): Update comment.
9299         * value-prof.h (struct histogram_value_t): Remove pow2 data.
9301 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
9303         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
9304         (decl).
9306 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
9308         * config/i386/i386.md (length_immediate): Use gcc_assert or
9309         gcc_unreachable, as appropriate.
9310         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
9311         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
9312         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
9313         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
9314         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
9315         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
9316         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
9317         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
9318         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
9319         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
9320         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
9321         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
9322         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
9323         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
9324         *prefetch_sse_rex): Likewise.
9325         * config/i386/predicates.md (x86_64_immediate_operand,
9326         x86_64_zext_immediate_operand, symbolic_operand,
9327         no_seg_address_operand, aligned_operand,
9328         memory_displacement_operand): Likewise.
9329         * config/i386/sse.md (*mov<mode>_internal,
9330         *movv2df_internal): Likewise.
9332 2005-04-22  Jan Hubicka  <jh@suse.cz>
9334         * Makefile.in (ipa.o, ipa-inline.o): New files.
9335         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
9336         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
9337         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
9338         * cgraphunit.c (cgraph_default_inline_p,
9339         cgraph_decide_inlining_incrementally,  ncalls_inlined,
9340         nfunctions_inlined, initial_insns, overall_insns,
9341         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
9342         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
9343         cgraph_mark_inline, cgraph_check_inline_limits,
9344         cgraph_default_inline_p, cgraph_recursive_inlining_p,
9345         update_callee_keys, lookup_recursive_calls,
9346         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
9347         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
9348         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
9349         pass_ipa_inline): Move to ipa-inline.c
9350         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
9351         * ipa.c: New file.
9352         * ipa-inline.c: New file.
9354 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
9356         * doc/invoke.texi (SPARC options): Document that -mapp-regs
9357         is turned off by default on Solaris.
9359 2005-04-21  Roger Sayle  <roger@eyesopen.com>
9361         * c-common.h (objc_build_method_signature): Update prototype.
9362         * stub-objc.c (objc_build_method_signature): Update the stub
9363         implementation to accept and ignore additional parameter.
9364         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
9365         the value of ellipsis to objc_build_method_signature instead
9366         of setting TREE_OVERFLOW on the parms TREE_LIST node.
9368 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
9370         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
9371         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
9372         gen_rtx_* not gen_rtx_fmt_*.
9373         (rs6000_emit_vector_select): Likewise.
9374         (rs6000_emit_sync): New.
9375         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
9376         (larx, stcx, cmp): New mode substitutions.
9377         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
9378         UNSPEC_ISYNC): New constants.
9379         (rlwinm): Give name.
9380         (memory_barrier, isync, lwsync): New insns.
9381         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
9382         (sync_lock_release<mode>): New expander.
9383         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
9384         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
9385         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
9386         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
9387         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
9388         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
9389         (sync_add<mode>_internal, sync_addshort_internal,
9390         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
9391         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
9392         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
9394         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
9395         is the memory before, not after, the operation.  Clarify
9396         barrier requirements.
9398 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
9400         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
9401         * lambda.h (lambda_vector_min_nz): Likewise.
9402         * langhooks.h (struct lang_hooks_for_types,
9403         struct lang_hooks): Likewise.
9404         * output.h (assemble_integer, this_is_asm_operands): Likewise.
9405         * tree.h: Likewise.
9406         * vec.h: Likewise.
9407         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
9409         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
9410         comments to avoid 'abort'.  Use gcc_assert as necessary.
9411         * opts.c (common_handle_option): Likewise.
9412         * pretty-print.c (pp_base_format_text): Likewise.
9413         * print-rtl.c (print_rtx): Likewise.
9414         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
9415         * regmove.c (try_auto_increment): Likewise.
9416         * reload.c (find_valid_class, find_reloads_toplev,
9417         find_equiv_reg): Likewise.
9418         * reload1.c (reload, forget_old_reloads_1, function_invariant_p,
9419         merge_assigned_reloads): Likewise.
9420         * tree-inline.c (inline_forbidden_p_1,
9421         estimate_num_insns_1): Likewise.
9422         * tree-optimize.c (execute_todo): Likewise.
9423         * tree-outof-ssa.c (eliminate_phi): Likewise.
9424         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
9425         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
9426         * tree-ssa-operands.c (parse_ssa_operands,
9427         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
9428         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
9429         * tree-ssanames.c (release_ssa_name): Likewise.
9430         * tree.c (int_bit_position, int_byte_position, tree_low_cst,
9431         walk_tree): Likewise.
9433         * tree-ssa-operands.c (verify_abort): Fold into ..
9434         (verify_imm_links): ... here.
9436 2005-04-21  Richard Henderson  <rth@redhat.com>
9438         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
9439         on non-memory operand for previous inversion.
9441 2005-04-21  Devang Patel  <dpatel@apple.com>
9443         PR optimization/20994
9444         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
9445         x = !(a == b) : p , q;.
9446         (pass_if_conversion): Verify stmts and flow.
9448 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
9450         * optabs.c (gen_conditional_trap): Restore #define.
9452         * alias.c (true_dependence): Remove 'abort' from comments. Use
9453         gcc_assert and gcc_unreachable as appropriate.
9454         (canon_true_dependence): Likewise.
9455         * bb-reorder.c (connect_traces): Likewise.
9456         * c-common.c (c_add_case_label): Likewise.
9457         * c-decl.c (finish_function): Likewise.
9458         * caller-save.c (insert_restore, insert_save): Likewise.
9459         * cfg.c (update_bb_profile_for_threading): Likewise.
9460         * cfganal.c (flow_active_insn_p): Likewise.
9461         * cfgexpand.c (add_reg_br_prob_note): Likewise.
9462         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
9463         cfg_layout_merge_blocks): Likewise.
9464         * ifcvt.c (cond_exec_process_insns, merge_if_block,
9465         find_if_block): Likewise.
9466         * integrate.c (allocate_initial_values): Likewise.
9467         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
9468         swap_condition, unsigned_condition, signed_condition,
9469         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
9470         reg_or_subregno): Likewise.
9471         * lambda-code.c (lambda_compute_auxillary_space,
9472         lambda_transform_legal_p): Likewise.
9473         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
9474         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
9475         lhd_incomplete_type_error, lhd_expand_expr,
9476         lhd_types_compatible_p, lhd_tree_size): Likewise.
9477         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
9478         * local-alloc.c (update_equiv_regs): Likewise.
9479         * loop-unroll.c (peel_loop_completely
9480         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
9481         peel_loop_simple, unroll_loop_stupid,
9482         analyze_iv_to_split_insn): Likewise.
9483         * loop.c (gen_prefetch, find_and_verify_loops,
9484         basic_induction_var): Likewise.
9485         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
9486         * value-prof.c (tree_find_values_to_profile): Likewise.
9487         * varasm.c (named_section, default_assemble_integer,
9488         decode_addr_const): Likewise.
9490 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
9491            Fariborz Jahanian <fjahanian@apple.com>
9493         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
9494         portion of argument passed in fpr.
9495         * expr.c (emit_push_insn): Fix computation of 'offset' used to
9496         decide on partial argument save on stack.
9498 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
9500         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
9501         comment typos.
9503 2005-04-21  Jan Hubicka  <jh@suse.cz>
9505         * cgraphunit.c: Include tree-pass.h
9506         (cgraph_decide_recursive_inlining,
9507         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
9508         cgraph_decide_inlining): Dump goes to dump_file.
9509         (cgraph_optimize): Call ipa passes instead of inliner.
9510         (cgraph_gate_inlining, pass_ipa_inline): New.
9511         * tree-optimize.c (all_ipa_passes): New static variable.
9512         (register_one_dump_file): Dead with IPA passes.
9513         (register_dump_files): Likewise.
9514         (init_tree_optimization_passes): Initialize IPA passes.
9515         (execute_todo): Do cgraph dump when asked to, do not dump function body
9516         for IPA pass.
9517         * tree-pass.h (TODO_dump_cgraph): New macro.
9518         (ipa_passes): Declare.
9519         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
9521 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
9523         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
9524         gcc_assert instead of abort.
9525         (classify_argument, examine_argument, construct_container,
9526         contains_128bit_aligned_vector_p, ix86_check_movabs,
9527         standard_80387_constant_opcode, standard_80387_constant_rtx,
9528         ix86_initial_elimination_offset, ix86_compute_frame_layout,
9529         pro_epilogue_adjust_stack, ix86_expand_epilogue,
9530         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
9531         legitimize_tls_address, output_pic_addr_const,
9532         i386_output_dwarf_dtprel, put_condition_code, print_reg,
9533         get_some_local_dynamic_name, print_operand, print_operand_address,
9534         output_387_binary_op, emit_i387_cw_initialization,
9535         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
9536         ix86_expand_clear, ix86_expand_binary_operator,
9537         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
9538         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
9539         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
9540         ix86_expand_branch, ix86_expand_setcc,
9541         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
9542         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
9543         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
9544         memory_address_length, ix86_attr_length_immediate_default,
9545         ix86_attr_length_address_default, ix86_agi_dependant,
9546         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
9547         ix86_expand_binop_builtin, ix86_force_to_memory,
9548         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
9549         x86_emit_floatuns): Likewise.
9550         * config/i386/netware.c (gen_regparm_prefix,
9551         i386_nlm_strip_name_encoding): Likewise.
9552         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
9554 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
9556         * optabs.c (gen_condiational_trap): Remove #define.
9557         (add_equal_note): Assertify. Remove explicit indirection from
9558         call via function pointer.
9559         (expand_ternary_op, expand_simple_binop, expand_binop,
9560         expand_twoval_unop, expand_twoval_binop,
9561         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
9562         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
9563         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
9564         prepare_float_lib_cmp, emit_conditional_move,
9565         emit_conditional_add, gen_add2_insn, gen_add3_insn,
9566         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
9567         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
9568         vector_compare_rtx, expand_vec_cond_expr): Likewise.
9570 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
9572         * vec.h: Update API to separate allocation mechanism from type.
9573         (VEC_safe_grow): New.
9574         * vec.c (calculate_allocation): New.
9575         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
9576         (vec_gc_free, vec_heap_free): Remove.
9577         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
9578         (VEC): Likewise.
9579         (mangle_macro_name): New.
9580         (struct macro_def): New.
9581         (struct macro): Add multiple argument values.
9582         (macro_expans_end): New.
9583         (push_macro_expansion):  Chain on new macro. Process multiple
9584         args, create follow on expansion. Return follow on argument.
9585         (macro_input): Deal with multiple arguments.
9587         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
9588         (struct tree_binfo): Adjust.
9589         * basic-block.h: Define VEC(edge,gc).
9590         (struct edge_def): Adjust.
9591         (struct basic_block_def, struct edge_iterator): Likewise.
9592         (ei_container, ei_start_1, ei_last_1): Likewise.
9593         * cfg.c (connect_src, connect_dest): Likewise.
9594         * cfgrtl.c (force_nonfallthru_and_redirect)
9595         * dbxout.c (dbxout_type)
9596         * dwarf2out.c (gen_member_die)
9597         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
9598         (gcc_tree_to_linear_expression): Adjust.
9599         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
9600         lbv_to_gcc_expression, lle_to_gcc_expression,
9601         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
9602         perfect_nestify): Likewise.
9603         * lambda.h (gcc_loopnest_to_lambda_loopnest,
9604         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
9605         * profile.c (instrument_values): Adjust.
9606         * tree-cfg.c (modified_noreturn_calls): Adjust.
9607         (remove_fallthru_edge): Likewise.
9608         * tree-dump.c (dequeue_and_dump): Adjust.
9609         * tree-flow-inline.h (mark_stmt_modified): Adjust.
9610         * tree-flow.h (modified_noreturn_calls): Adjust.
9611         (tree_on_heap): Remove. (yay!)
9612         (register_new_def): Adjust.
9613         * tree-into-ssa.c: Define VEC(int,heap).
9614         (block_defs_stack): Adjust.
9615         (find_idf, insert_phi_nodes, register_new_def,
9616         rewrite_initialize_block, rewrite_finalize_block,
9617         register_new_update_single, rewrite_update_init_block,
9618         rewrite_update_fini_block, rewrite_blocks,
9619         ssa_rewrite_finalize_block, ssa_register_new_def,
9620         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
9621         * tree-loop-linear.c (linear_transform_loops): Adjust.
9622         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
9623         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
9624         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
9625         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
9626         vrp_variables_stack): Adjust declarations.
9627         (tree_ssa_dominator_optimize): Adjust.
9628         (dom_opt_initialize_block, remove_local_expressions_from_table,
9629         restore_nonzero_vars_to_original_value,
9630         restore_vars_to_original_value,
9631         restore_currdefs_to_original_value, dom_opt_finalize_block,
9632         record_var_is_nonzero, record_cond, record_const_or_copy_1,
9633         optimize_stmt, update_rhs_and_lookup_avail_expr,
9634         lookup_avail_expr, record_range): Likewise.
9635         * tree-ssa-pre.c: Define VEC(basic_block,heap).
9636         (compute_antic_aux): Adjust.
9637         (inserted_exprs, create_expression_by_pieces,
9638         insert_into_preds_of_block, eliminate, mark_operand_necessary,
9639         remove_dead_inserted_code, fini_pre): Likewise.
9640         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
9641         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist.
9642         ssa_prop_init): Likewise.
9643         * tree-ssa.c: Define VEC(bitmap,heap).
9644         (verify_name_tags): Adjust.
9645         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
9646         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
9647         tree_divmod_values_to_profile, tree_find_values_to_profile,
9648         value_profile_transformations): Likewise.
9649         * value-prof.h: Define VEC(histogram_value,heap).
9650         * varasm.c: Remove alias_pair pointer typedef, define
9651         VEC(alias_pair,gc).
9652         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
9654         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
9655         not a pointer to it.  Create an object vector.
9656         (extern_symbols): Turn into an object vector.
9657         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
9659 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
9661         PR/20742
9662         * Makefile.in (tree-chrec.o): Depend on params.h.
9663         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
9664         default value 20.
9665         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
9666         and fold build with fold_buildN.
9667         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
9668         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
9669         (tree_contains_chrecs): Compute an estimation of the size of the
9670         given expression.
9671         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
9672         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
9673         * tree-scalar-evolution.c (simple_iv): Ditto.
9674         * doc/invoke.texi (scev-max-expr-size): Documented.
9676 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
9678         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
9679         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
9680         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
9681         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
9682         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
9683         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
9684         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
9685         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
9686         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
9687         (darwin_fix_and_continue_switch): Delete.
9688         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
9689         (SUBTARGET_SWITCHES): Delete.
9690         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
9691         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
9692         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
9693         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
9694         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
9695         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
9696         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
9697         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
9698         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
9699         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
9700         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
9701         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
9702         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
9703         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
9704         (TARGET_64BIT): Undef before redefining.
9705         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
9706         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
9707         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
9708         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
9709         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
9710         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
9711         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
9712         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
9713         (ix86_debug_arg_string, ix86_debug_addr_string)
9714         (ix86_align_loops_string, ix86_align_jumps_string)
9715         (ix86_align_funcs_string): Delete.
9716         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
9717         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
9718         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
9719         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
9720         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
9721         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
9722         (SUBTARGET_SWITCHES): Delete.
9723         * config/i386/i386.c (ix86_debug_arg_string): Delete.
9724         (ix86_debug_addr_string): Delete.
9725         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
9726         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
9727         (ix86_align_loops_string, ix86_align_jumps_string)
9728         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
9729         (ix86_align_funcs_string): Make static.
9730         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
9731         (ix86_handle_option): New function.
9732         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
9733         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
9734         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
9735         of darwin_fix_and_continue_switch.
9736         (darwin_one_byte_bool): Delete.
9737         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
9738         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
9739         to darwin_one_byte_bool.
9740         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
9741         * config/i386/djgpp.opt, config/i386/i386.opt,
9742         * config/i386/sco5.opt: New files.
9744 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
9746         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
9747         fp_zero_operand, fp_register_operand, intreg_operand,
9748         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
9749         call_operand, call_operand_address, tgd_symbolic_operand,
9750         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
9751         symbolic_operand, symbolic_memory_operand, label_ref_operand,
9752         sp64_medium_pic_operand, data_segment_operand,
9753         text_segment_operand, splittable_symbolic_memory_operand,
9754         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
9755         eq_or_neq, normal_comp_operator, noov_compare_op,
9756         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
9757         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
9758         const64_operand, const64_high_operand, arith11_operand,
9759         arith10_operand, arith_double_operand, arith_double_4096_operand,
9760         arith_double_add_operand, arith11_double_operand,
9761         arith10_double_operand, small_int, small_int_or_double,
9762         uns_small_int, uns_arith_operand, clobbered_register,
9763         input_operand, compare_operand): Delete.
9764         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
9765         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
9766         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
9767         (GEN_HIGHINT64, GEN_INT64): Delete.
9768         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
9769         gen_safe_XOR64): Adjust for above deletion.
9770         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
9771         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
9772         (legitimate_constant_p): Use const_zero_operand instead.
9773         (sparc_extra_constraint_check): Likewise.
9774         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
9775         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
9776         (PREDICATE_CODES): Delete.
9777         * config/sparc/sparc.md: Include predicates.md.
9778         (All patterns): Adjust for new predicate names.
9779         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
9780         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
9781         (movdi): Use general_operand predicate.
9782         (movdi_sp64_dbl): Delete.
9783         (movdi_const64_special): Add 'N' constraint.
9784         (movdicc): Use arith10_operand predicate.
9785         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
9786         (movdi_cc_reg_sp64): Use arith10_operand predicate.
9787         (movdi_cc_reg_sp64_trunc): Delete.
9788         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
9789         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
9790         (subdi3_sp32): Delete.
9791         (subdi3_insn_sp32): Change to define_insn_and_split.
9792         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
9793         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
9794         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
9795         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
9796         small_int_operand predicate.
9797         (divdi3, udivdi3): Use arith_operand predicate.
9798         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
9799         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
9800         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
9801         (xordi3_sp64_dbl): Delete.
9802         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
9803         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
9804         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
9805         cmp_ccx_set_not): Use arith_operand predicate.
9806         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
9807         * config/sparc/predicates.md: New file.
9809 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
9811         PR tree-optimization/14846
9812         * fold-const.c (fold_single_bit_test_into_sign_test): New,
9813         split out from ...
9814         (fold_single_bit_test): ... here.
9815         (fold_binary): Call fold_single_bit_test_into_sign_test
9816         instead of fold_single_bit_test.
9818 2005-04-20  James E Wilson  <wilson@specifixinc.com>
9820         PR c++/20805
9821         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
9822         is another declaration.
9824 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
9826         * config/cris/predicates.md: New file.
9827         * config/cris/cris-protos.h (cris_store_multiple_op_p)
9828         (cris_movem_load_rest_p): Declare.
9829         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
9830         (cris_movem_load_rest_p): Ditto.  Globalize.
9831         (cris_bdap_operand, cris_bdap_biap_operand,
9832         cris_orthogonal_operator, cris_commutative_orth_op,
9833         cris_operand_extend_operator,
9834         cris_additive_operand_extend_operator, cris_extend_operator,
9835         cris_plus_or_bound_operator, cris_mem_op,
9836         cris_general_operand_or_symbol,
9837         cris_general_operand_or_gotless_symbol,
9838         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
9839         cris_load_multiple_op): Remove predicate functions.
9840         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
9841         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
9842         * config/cris/cris.h (PREDICATE_CODES): Don't define.
9843         * config/cris/cris.md: Include predicates.md.
9844         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
9846 2005-04-20  Ian Lance Taylor  <ian@airs.com>
9848         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
9849         * c-common.h (STMT_EXPR_STMT): Don't define.
9850         (STMT_EXPR_NO_SCOPE): Don't define.
9851         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
9852         * c-pretty-print.c (pp_c_primary_expression): Likewise.
9853         (pp_c_expression): Likewise.
9855 2005-04-20  Richard Henderson  <rth@redhat.com>
9857         PR target/21100
9858         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
9860 2005-04-20  Jeff Law  <law@redhat.com>
9862         * reload1.c (reload): Ignore equivalences between pseudos and
9863         read only memory.
9865 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
9867         PR c/12913
9868         * c-tree.h (struct c_label_list): Update comment.
9869         (struct c_label_context): Rename to struct c_label_context_se.
9870         (label_context_stack): Rename to label_context_stack_se.
9871         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
9872         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
9873         c_end_vm_scope): New.
9874         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
9875         * c-decl.c (pop_scope): Call c_end_vm_scope.
9876         (pushdecl): Call c_begin_vm_scope for variably modified
9877         declarations.
9878         (define_label): Check for jumping into scope of identifier with
9879         variably modified type.  Push label on stack for those defined at
9880         current context of identifiers with variably modified type.
9881         (start_function): Create stack level for context of identifiers
9882         with variably modified type.
9883         (finish_function): Pop stack level for context of identifiers with
9884         variably modified type.
9885         * c-typeck.c (label_context_stack): Rename to
9886         label_context_stack_se.
9887         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
9888         (c_finish_goto_label): Check for jumping into scope of identifier
9889         with variably modified type.  Push label on stack for those jumped
9890         to from current context of identifiers with variably modified
9891         type.
9892         (struct c_switch): Add blocked_vm.
9893         (c_start_case): Initialize blocked_vm.
9894         (do_case): Check blocked_vm.
9895         (c_finish_case): Add comment.
9896         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
9897         variable label_context_stack.
9899 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
9901         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
9902         conditional_replacement, value_replacement, abs_replacement,
9903         minmax_replacement.
9904         (replace_phi_edge_with_variable): Remove argument BB.
9905         (conditional_replacement, value_replacement,
9906         minmax_replacement, abs_replacement): Remove argument PHI_BB.
9907         Update a call to replace_phi_edge_with_variable.
9909         * tree-ssa-phiopt.c: Fix comments.
9911 2005-04-20  Michael Matz  <matz@suse.de>
9913         PR20973
9914         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
9915         pseudos.
9917 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
9919         * tree-ssa-phiopt.c: Fix comment typos.
9921         PR tree-optimization/21116
9922         * tree-ssa-phiopt.c: Fix a typo.
9924 2005-04-19  Richard Henderson  <rth@redhat.com>
9926         * builtins.c (expand_builtin_sync_operation): Revert last change.
9927         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
9928         not vs new value.
9929         (expand_compare_and_swap_loop): Likewise.
9930         (expand_sync_operation): Remove fallback from NAND to AND; invert
9931         memory operand when expanding from cmpxchg.
9932         (expand_sync_fetch_operation): Likewise.
9933         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
9934         compare-and-swap.
9936         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
9937         when implementing NAND.  Fix double-add for AFTER.
9938         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
9939         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
9940         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
9941         memory value.
9942         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
9943         memory barrier.
9945         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
9946         to return old memory value.
9947         (sync_compare_and_swap_cc<IMODE>): Likewise.
9949         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
9950         return pre-reload.  Don't consider output or anti dependencies.
9951         * config/ia64/sync.md (IMODE): New.
9952         (modesuffix): Add QI and HI.
9953         (memory_barrier): Simplify expansion.
9954         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
9955         (cmpxchg_acq_<IMODE>): Likewise.
9956         (sync_lock_test_and_set<IMODE>): Likewise.
9957         (sync_lock_release<IMODE>): Likewise.
9959 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
9961         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
9962         ~X or ~Y simplify.
9964 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
9966         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
9968 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
9969             Joseph S. Myers  <joseph@codesourcery.com>
9971         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
9972         * c-typeck.c (build_c_cast): Check these options.
9973         * doc/invoke.texi: Document these options.
9975 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
9977         * tree-ssa-phiopt.c: Update a comment about the pass.
9979 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
9981         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
9982         config/mcore/mcore.c: Fix comment typos.
9984 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
9986         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
9987         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
9989 2005-04-19  Paul Brook  <paul@codesourcery.com>
9991         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs.
9993 2005-04-19  Andrew Haley  <aph@redhat.com>
9995         PR java/21022
9996         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
9997         looking at a field's bitpos.
9999 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10001         * system.h (fopen, fdopen, freopen): Define these to the unlocked
10002         libiberty functions.
10004 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
10006         PR tree-optimization/21096
10007         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
10009 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
10011         PR target/21098
10012         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
10013         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
10015 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
10017         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
10018         refers to the function being dumped.
10020 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
10022         * varasm.c (assemble_start_function): Remove reset of in_section.
10024 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
10026         PR tree-optimization/21085
10027         * fold-const (fold_binary): Don't change X % -C to X % C if C has
10028         overflowed.
10030 2005-04-19  Ben Elliston  <bje@au.ibm.com>
10032         * doc/invoke.texi (Optimize Options): Refer to the correct
10033         optimisation flag -ftree-dominator-opts, not -ftree-dom.
10035 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
10037         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
10038         alloca argument to be big enough.
10040 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
10042         PR middle-end/21049
10043         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
10044         cfun->cfg are NULL.
10046 2005-04-18  Tom Tromey  <tromey@redhat.com>
10048         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
10049         typo.
10051 2005-04-18  Richard Henderson  <rth@redhat.com>
10053         * config/alpha/alpha.c (alpha_split_atomic_op): New.
10054         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
10055         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
10056         * config/alpha/alpha-protos.h: Update.
10057         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
10058         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
10059         (attr type): Add ld_l, st_c, mb.
10060         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
10061         iornotsi3, xorsi_internal, xornotsi3): New.
10062         * config/alpha/ev4.md (ev4_ld): Add ld_l.
10063         (ev4_ist_c, ev4_mb): New.
10064         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
10065         (ev5_ld_l): New.
10066         * config/alpha/ev6.md (ev6_ild): Add ld_l.
10067         (ev6_ist): Add st_c.
10068         (ev6_mb): New.
10069         * config/alpha/sync.md: New file.
10071 2005-04-18  Richard Henderson  <rth@redhat.com>
10073         * builtins.c (expand_builtin_sync_operation): Fold nand to and
10074         for constants.
10076         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
10078 2005-04-18  Devang Patel  <dpatel@apple.com>
10080         * config/rs6000/atlivec.md (mulv4si3): New pattern.
10082 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
10084         PR tree-optimization/20922
10085         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
10086         Fold X + c >= X and fold X - c <= X to true.
10088 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
10090         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
10091         unsigned int.
10092         (emergency_labeled_state_free): Likewise.
10094 2005-04-18  Nick Clifton  <nickc@redhat.com>
10096         * config/h8300/h8300.md (jump): Remove prescan parameter from
10097         calls to final_scan_insn.
10099         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
10100         parameter from calls to final_scan_insn.
10102         * config.gcc (m68hc12): Use the m68hc11.opt file for target
10103         specific options.
10104         (v850e, v850e1): Use the v850.opt file for target specific
10105         options.
10107 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
10109         PR tree-optimization/21001
10110         * tree-optimize.c (init_tree_optimization_passes): Move the
10111         first pass_forwprop immediately before pass_vrp.
10113 2005-04-17  Ian Lance Taylor  <ian@airs.com>
10115         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
10116         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
10117         from enum tree_code op to bool is_sizeof.
10118         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
10119         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
10120         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
10121         case.
10122         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
10123         cases.
10124         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
10125         ALIGNOF_EXPR cases.
10127 2005-04-17  Ian Lance Taylor  <ian@airs.com>
10129         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
10131 2005-04-17  Richard Henderson  <rth@redhat.com>
10133         * config/alpha/alpha.c (va_list_skip_additions): Only define if
10134         TARGET_ABI_OSF.
10135         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
10136         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
10137         of indirection through ssa names while looking for the gpr counter
10138         field.
10139         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
10140         saved va_list_gpr_size and va_list_fpr_size.
10142 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
10144         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
10145         both pointers or both integers.
10147         * tree-vrp.c (maybe_add_assert_expr): Don't assert
10148         ASSERT_EXPRs for single-use variable.
10150         * tree-into-ssa.c: Fix a comment typo.
10152 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
10154         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
10155         -mipsN before forcing a default of -mips2.
10157 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
10159         * predict.h (IS_TAKEN): Remove.
10160         * rtl.h (NOTE_PREDICTION): Likewise.
10162         * modulo-sched.c (CFG_HOOKS): Remove.
10164         * c-parser.c (N_C_TTYPES): Remove.
10166         * tree-flow-inline.h (get_stmt_operands): Remove.
10167         * lambda-code.c, tree-ssa-loop-unswitch.c,
10168         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
10169         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
10170         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
10171         calls to get_stmt_operands.
10172         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
10174 2005-04-17  Richard Henderson  <rth@redhat.com>
10176         PR target/20375
10177         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
10178         of CUMULATIVE_ARGS past the last named argument.
10179         (alpha_va_start): Expect pretend_args_size only if strictly less than
10180         6 named arguments.
10182 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
10184         PR middle-end/21024
10185         * builtins.c (expand_builtin_strcat): Convert the result of
10186         strlen to the right type.
10187         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
10188         avoid creating type mismatches.
10189         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
10190         type mismatches.
10192         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
10194 2005-04-16  Richard Henderson  <rth@redhat.com>
10196         PR target/21051
10197         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
10198         Use the mode of boolean_type_node when the user doesn't provide one.
10199         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
10201 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
10203         PR target/20126
10204         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
10205         (const)).
10207         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
10208         comment.
10210 2005-04-16  Roger Sayle  <roger@eyesopen.com>
10211             Steven Bosscher  <stevenb@suse.de>
10213         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
10214         (fold_unary_to_constant): Likewise.
10216 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
10218         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
10219         PROP_ASM_SCAN.
10221 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
10223         * doc/install.texi (Specific): Avoid using asterisks in @anchor
10224         names related to target triplets.
10225         Remove i?86-*-esix from platform directory.
10226         Remove powerpc-*-eabiaix from platform directory.
10228 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
10230         PR middle-end/20491
10231         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
10232         falling through from SUBREG case to REG.
10234 2005-04-15  Roger Sayle  <roger@eyesopen.com>
10236         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
10237         (fold_binary): Update comment mentioning fold_relational_hi_lo.
10238         (fold_binary_to_constant): Simplify using fold_binary.
10239         (fold_unary_to_constant): Likewise, simplify using fold_unary.
10241 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
10243         * gthr-posix.c (pthread_cancel): Define.
10244         (pthread_mutexattr_init): Likewise.
10245         (pthread_mutexattr_settype): Likewise.
10246         (pthread_mutexattr_destroy): Likewise.
10248 2005-04-15  David S. Miller  <davem@davemloft.net>
10250         PR target/20673
10251         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
10253 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
10255         PR tree-optimization/21031
10256         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
10257         (forward_propagate_into_cond_1): Call it.  Forward propagate
10258         integer-integer casts into COND_EXPRs.
10260 2005-04-15  Dave Korn  <dave.korn@artimi.com>
10262         * gcc.c (default_compilers): Clarify obscure error message when
10263         reading from standard input.
10265 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
10267         * basic-block.h (PROP_EQUAL_NOTES): Remove.
10268         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
10270         * tree-ssa-alias.c (init_alias_info): Remove a call to
10271         get_stmt_operands.
10273 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
10275         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
10276         of non-virtual PHI nodes like we use to.
10278 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
10280         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
10281         (attr_copy_rtx): Do not use it.
10283 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
10285         * doc/tree-ssa.texi: Grammer/abbreviation updates.
10287 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
10289         * tree-vect-transform.c (vectorizable_store): Mark necessary
10290         objects in the vectorized store needing renaming.  Update the
10291         SSA graph for V_MAY_DEF operands in the original store.
10293 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
10295         * tree-ssa-pre.c (compute_avail): It's okay to have
10296         TREE_INVARIANT's here, and value number the resulting expressions.
10297         (create_expression_by_pieces): Make sure operands that were
10298         min_invariant when we started, stay that way.
10300 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
10302         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
10304 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
10306         PR tree-optimization/20936.
10307         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
10309 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10311         * doc/invoke.texi: Fix typos.
10312         * doc/md.texi: Likewise.
10313         * doc/rtl.texi: Likewise.
10314         * doc/sourcebuild.texi: Likewise.
10315         * doc/tm.texi: Likewise.
10317 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
10319         PR tree-optimization/21004
10320         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
10321         and floorl in c99 mode only.
10322         * builtins.c (expand_builtin_int_roundingfn): Assert that
10323         fallback_fndecl is not NULL_TREE.
10325 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
10327         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
10328         * basic-block.h: Update the prototype for
10329         purge_all_dead_edges.
10330         * cfgexpand.c (tree_expand_cfg): Update a call to
10331         purge_all_dead_edges.
10332         * combine.c (combine_instructions): Likewise.
10333         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
10334         rest_of_handle_cse2, rest_of_handle_gcse,
10335         rest_of_handle_postreload): likewise.
10337 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
10339         PR middle-end/20739
10340         * gimplify.c (gimplify_addr_expr): Compensate for removal of
10341         e.g. cv-qualification conversions.
10343 2005-04-14  Mike Stump  <mrs@apple.com>
10345         * config/darwin-c.c (framework_construct_pathname): We must
10346         find all headers of a framework in the first instance of it
10347         found in the seach path.
10349 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
10351         PR tree-optimization/21021
10352         * tree-vrp.c (compare_values): Work around a bug in the front
10353         end that produces a comparison of mismatched types.
10355 2004-04-14  Richard Henderson  <rth@redhat.com>
10357         * config/ia64/ia64.h (enum fetchop_code): Remove.
10358         (enum ia64_builtins): Move ...
10359         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
10360         members except BSP and FLUSHRS.
10361         (ia64_init_builtins): Remove __sync builtins.
10362         (ia64_expand_builtin): Likewise.
10363         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
10364         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
10365         (ia64_expand_lock_release): Remove.
10366         * config/ia64/ia64.md (mf): Move to sync.md.
10367         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
10368         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
10369         * config/ia64/sync.md: New file.
10370         (memory_barrier): Rename from mf.
10371         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
10372         (cmpxchg_acq_<I48MODE>): Likewise.
10373         (sync_lock_test_and_set<I48MODE>): Likewise.
10375         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
10376         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
10378 2004-04-14  Richard Henderson  <rth@redhat.com>
10380         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
10381         (ix86_compare_emitted): New.
10382         (ix86_expand_compare): Use ix86_compare_emitted if set.
10383         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
10384         and ix86_compare_op0 are set.
10385         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
10386         (TARGET_CMPXCHG, TARGET_XADD): New.
10387         (ix86_compare_emitted): Declare.
10388         * config/i386/i386.md: Include sync.md
10389         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
10390         (UNSPECV_XCHG, UNSPECV_LOCK): New.
10391         * config/i386/sync.md: New file.
10393 2004-04-14  Richard Henderson  <rth@redhat.com>
10395         PR middle-end/14311
10396         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
10397         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
10398         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
10399         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
10400         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
10401         BT_FN_I8_VPTR_I8_I8): New.
10402         * builtins.def (DEF_SYNC_BUILTIN): New.
10403         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
10404         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
10405         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
10406         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
10407         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
10408         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
10409         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
10410         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
10411         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
10412         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
10413         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
10414         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
10415         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
10416         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
10417         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
10418         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
10419         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
10420         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
10421         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
10422         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
10423         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
10424         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
10425         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
10426         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
10427         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
10428         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
10429         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
10430         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
10431         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
10432         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
10433         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
10434         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
10435         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
10436         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
10437         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
10438         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
10439         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
10440         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
10441         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
10442         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
10443         BUILT_IN_SYNCHRONIZE: New.
10444         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
10445         as a function.  Accept __sync_ as a prefix as well.
10446         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
10447         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
10448         expand_builtin_lock_release): New.
10449         (expand_builtin): Call them.
10450         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
10451         neither BOTH_P nor FALLBACK_P are defined.
10452         (builtin_type_for_size): New.
10453         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
10454         (resolve_overloaded_builtin): New.
10455         * c-common.h (resolve_overloaded_builtin): Declare.
10456         (builtin_type_for_size): Declare.
10457         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
10458         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
10459         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
10460         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
10461         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
10462         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
10463         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
10464         sync_compare_and_swap_cc, sync_lock_test_and_set,
10465         sync_lock_release): New.
10466         * optabs.h: Declare them.
10467         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
10468         expand_sync_operation, expand_sync_fetch_operation,
10469         expand_sync_lock_test_and_set): Declare.
10470         * genopinit.c (optabs): Add sync optabs.
10471         * optabs.c (init_optabs): Initialize sync optabs.
10472         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
10473         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
10474         expand_sync_operation, expand_sync_fetch_operation,
10475         expand_sync_lock_test_and_set): New.
10476         * doc/extend.texi (Atomic Builtins): New section
10477         * doc/md.texi (Standard Names): Add sync patterns.
10479 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
10481         * tree-eh.c (lower_try_finally_copy): Generate new code in
10482         response to goto_queue entries as if the queue was sorted by
10483         index, not pointers.
10484         (lower_try_finally_switch): Likewise.
10486 2005-04-14  Richard Henderson  <rth@redhat.com>
10488         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
10489         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
10490         register.
10491         (ix86_expand_fp_movcc): Update to match.
10492         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
10493         * config/i386/i386-protos.h: Update.
10494         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
10495         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
10497 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
10499         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
10500         refer to 4.0.
10502 2005-04-14  Julian Brown  <julian@codesourcery.com>
10504         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
10505         link failures on ppc64 Linux.
10507 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
10509         * config.gcc: Set cpu_type for s390.
10511 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
10513         Fix PR tree-optimization/20963
10514         * tree-ssa-pre.c (compute_avail): Remove special case for
10515         TREE_INVARIANT.
10516         (create_expression_by_pieces): Add value numbers for forced out
10517         statements.
10519 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
10521         * config/cris/cris.md: Replace references to (reg:SI 16) with
10522         (reg:SI CRIS_SRP_REGNUM).
10524 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
10526         PR tree-optimization/20657
10527         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
10528         create an appropriate range from it.
10530 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
10532         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
10533         <UNSPEC_FIST_CEIL> case.
10535         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
10536         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
10537         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
10538         to implement lfloor and llfloor built-ins as x87 intrinsic function.
10539         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
10540         (lfloor<mode>2): New expanders.
10541         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
10542         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
10543         to implement lceil and llceil built-ins as x87 intrinsic function.
10544         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
10545         (lceil<mode>2): New expanders.
10547 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
10549         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
10550         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
10552 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
10554         PR target/20927
10555         * config/s390/s390-modes.def: Define TFmode.
10557 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
10559         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
10560         (JUMP_TABLES_IN_TEXT_SECTION): Define.
10561         * config/mips/mips.c (mips16_insn_length): Remove reference to
10562         JUMP_TABLES_IN_TEXT_SECTION.
10564 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
10566         * simplify-rtx.c (simplify_binary_operation_1): Return
10567         scalar or vector of constant 0, depending on the xor's
10568         mode.
10570 2005-04-13  Dale Johannesen  <dalej@apple.com>
10572         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
10573         (objc-act.o):  Ditto.
10574         * objc/objc-act.c (objc_gimplify_expr):  New.
10575         (objc_get_callee_fndecl):  New.
10576         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
10577         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
10578         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
10580 2005-04-13  Devang Patel  <dpatel@apple.com>
10582         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
10583         temp variables.
10585 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
10587         CRIS prologue as RTL.
10588         * config/cris/cris-protos.h (cris_emit_movem_store)
10589         (cris_expand_prologue): Prototype.
10590         * config/cris/cris.c (struct machine_function): New member
10591         stdarg_regs.
10592         (cfa_label_num, cris_target_asm_function_prologue): Remove.
10593         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
10594         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
10595         (cris_load_multiple_op, cris_return_address_on_stack)
10596         (cris_return_address_on_stack_for_return): ISO-Cify.
10597         (cris_store_multiple_op): New predicate function.
10598         (cris_expand_prologue, cris_emit_movem_store): New functions.
10599         (cris_print_operand) <case 'O'>: Handle modifications other than
10600         post-increment.
10601         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
10602         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
10603         (cris_gen_movem_load): Rearrange slightly to make local variable
10604         src a parameter, removing osrc.
10605         (cris_setup_incoming_varargs): Set machine_function member
10606         stdarg_regs to correspond to the number of registers that need to
10607         be saved.
10608         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
10609         CRIS_UNSPEC_GOT.
10610         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
10611         cris_general_operand_or_gotless_symbol accept UNSPEC.
10612         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
10613         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
10614         ("*cris_store_multiple"): New pattern.  Tweak common comment above
10615         this and "*cris_load_multiple".
10616         ("prologue"): New define_expand.
10618         * config/cris/cris.md ("epilogue"): Conditionalize on
10619         TARGET_PROLOGUE_EPILOGUE.
10621 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
10623         PR target/20924
10624         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
10625         fpsr 0 instead of fpsr 1.
10626         (divsf3_internal_thr): Ditto.
10627         (divdf3_internal_lat): Ditto.
10628         (divdf3_internal_thr): Ditto.
10629         (divxf3_internal_lat): Ditto.
10630         (divxf3_internal_thr): Ditto.
10632 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
10634         PR tree-optimization/20913
10635         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
10637         PR tree-optimization/20702
10638         * tree-vrp.c (maybe_add_assert_expr): Recurse into
10639         dominator children that haven't been walked into.
10641 2005-04-13  Julian Brown  <julian@codesourcery.com>
10643         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
10644         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
10645         is true.
10647 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
10649         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
10650         config/i386/sse.md: Fix comment typos.
10652         * genattrtab.c (NULL_ATTR): Remove.
10653         * ifcvt.c (NULL_EDGE): Likewise.
10655         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
10657         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
10658         NOTE_PREDICT): Remove.
10660 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
10662         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
10663         * configure: Regenerate.
10664         * config.in: Likewise.
10665         * system.h: Declare vsnprintf if not already declared.
10667 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
10669         * optc-gen.awk: Handle stand-alone Mask records.
10670         * opth-gen.awk: Likewise.
10671         * doc/options.texi (Option file format): Document them.
10672         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
10673         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
10674         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
10675         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
10676         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
10677         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
10678         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
10679         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
10680         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
10681         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
10682         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
10683         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
10684         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
10685         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
10686         TARGET_LONG_DOUBLE_128): Likewise.
10687         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
10688         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
10689         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
10690         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
10691         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
10692         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
10693         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
10694         * config/sparc/sparc.c (fpu_option_set): New global.
10695         (sparc_handle_option): New function.
10696         (sparc_override_options): Test fpu_option_set.
10697         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
10698         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
10699         * config/sparc/sparc.opt: New file.
10700         * config/sparc/little-endian.opt: Likewise.
10701         * config/sparc/long-double-switch.opt: Likewise.
10703 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
10705         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
10706         (bfin_handle_options): Set it if -mshared-library-id= is seen.
10707         * config/bfin/bfin.opt (mshared-library-id=): Lose
10708         Var(bfin_lib_id_given).
10710 2005-04-13  Matt Thomas  <matt@3am-software.com>
10712         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
10713         defining.
10715 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
10717         * rtl.h (CLEAR_RTX_FLAGS): Remove.
10719         * cgraphunit.c (INSNS_PER_CALL): Remove.
10721         * tree-ssa-forwprop.c (vars,
10722         record_single_argument_cond_exprs,
10723         substitute_single_use_vars): Remove.
10724         (forward_propagate_into_cond_1, forward_propagate_into_cond):
10725         New.
10726         (tree_ssa_forward_propagate_single_use_vars): Call
10727         forward_propagate_into_cond for each COND_EXPR.
10729         * tree-inline.c (INSNS_PER_STMT): Remove.
10731 2005-04-12  Richard Henderson  <rth@redhat.com>
10733         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
10734         (ix86_expand_sse_fp_minmax): ... from ...
10735         (ix86_expand_fp_movcc): ... here.
10736         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
10737         * config/i386/i386-protos.h: Update.
10738         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
10739         (sse_setccsf, sse_setccdf): Allow before reload.
10740         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
10741         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
10742         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
10743         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
10744         (anddf3, nanddf3, iordf3, xordf3): New.
10746 2005-04-12  Jeff Law  <law@redhat.com>
10748         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
10749         (tree-ssa-uncprop.o): Add dependencies.
10750         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
10751         * tree-flow.h (remove_useless_stmts): Remove prototype.
10752         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
10753         remove_useless_stmts.
10754         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
10755         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
10756         * tree-pass.h (pass_uncprop): Declare.
10757         * tree-ssa-uncprop.c: New file.
10759 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
10761         PR target/20670
10762         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
10764 2005-04-12  Caroline Tice  <ctice@apple.com>
10766         Temporary fix for partitioning problems.
10767         * passes.c (rest_of_handle_final): Remove code that
10768         frees unlikely_text_section_name,
10769         * varasm.c (assemble_start_function): Test for partitioning
10770         flag before writing out section labels.
10771         (assemble_end_function): Test for partitioning flag before
10772         writing out section labels.
10774 2005-04-12  Steven Bosscher  <stevenb@suse.de>
10775             Stuart Hastings <stuart@apple.com>
10776             Jan Hubicka  <jh@suse.cz>
10778         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
10779         references to gt-tree-cfg.h.
10780         * basic-block.h (struct basic_block_def): Don't skip rbi
10781         for garbage collection.
10782         (struct reorder_block_def): Make GTY-able.
10783         (struct control_flow_graph): New structure.
10784         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
10785         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
10786         but instead defines to the control_flow_graph for cfun.
10787         (label_to_block_map): New define, points to the label map of
10788         the control_flow_graph for cfun.
10789         (n_edges_for_function, n_basic_blocks_for_function,
10790         last_basic_block_for_function, basic_block_info_for_function,
10791         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
10792         basic_block_info_for_function, label_to_block_map_for_function):
10793         Counterparts for the above, taking a struct function as an extra
10794         argument.
10795         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
10796         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
10797         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
10798         (alloc_rbi_pool, free_rbi_pool): Remove.
10799         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
10800         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
10801         here...
10802         (cfg_layout_finalize) ... and don't free it here.
10803         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
10804         garbage collected.
10805         * flow.c (free_basic_block_vars): Set label_to_block_map and
10806         n_edges to zero too.
10807         * function.h (struct function): Add cfg field.
10808         * function.c (allocate_struct_function): Allocate the cfg.
10809         * tree-cfg.c (label_to_block_map): Remove.
10810         (build_tree_cfg): Don't allocate the rbi pool here...
10811         (delete_tree_cfg_annotations): ...and don't free it here.
10812         Also don't nullify label_to_block_map for cfun.
10814 2005-04-12  Caroline Tice  <ctice@apple.com>
10816         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
10817         Revert my patch from April 9.
10818         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
10819         (reorder_basic_blocks): Revert my patch from April 9.
10820         (insert_section_boundary_note): Revert my patch from April 9.
10821         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
10822         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
10823         (COLD_END_LABEL):  Revert my patch from April 9.
10824         (cold_text_section_label):  Revert my patch from April 9.
10825         (cold_end_label): Revert my patch from April 9.
10826         (dwarf2out_switch_text_section): Revert my patch from April 9.
10827         (output_aranges): Revert my patch from April 9.
10828         (output_ranges):  Revert my patch from April 9.
10829         (output_line_info): Revert my patch from April 9.
10830         (add_location_or_const_value_attribute):  Revert my patch from April 9.
10831         (dwarf2out_var_location): Revert my patch from April 9.
10832         (dwarf2out_init):  Revert my patch from April 9.
10833         (dwarf2out_finish): Revert my patch from April 9.
10834         * function.h (struct function): Revert my patch from April 9.
10835         * opts.c (decode_options): Revert my patch from April 9.
10836         * output.h (unlikely_section_label, hot_section_label,
10837         hot_section_end_label, cold_section_end_label,
10838         unlikely_text_section_name): Revert my patch from April 9.
10839         * passes.c (rest_of_handle_final): Revert my patch from April 9.
10840         * varasm.c (unlikely_section_label, hot_section_label,
10841         hot_section_end_label, cold_section_end_label,
10842         unlikely_text_section_name): Revert my patch from April 9.
10843         (initialize_cold_section_name): Revert my patch from April 9.
10844         (unlikely_text_section): Revert my patch from April 9.
10845         (in_unlikely_text_section): Revert my patch from April 9.
10846         (named_section): Revert my patch from April 9.
10847         (function_section): Revert my patch from April 9.
10848         (current_function_section): Revert my patch from April 9.
10849         (assemble_start_function): Revert my patch from April 9.
10850         (assemble_end_function): Revert my patch from April 9.
10851         (default_section_type_flags_1): Revert my patch from April 9.
10853 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
10855         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
10856         * config/sparc/sparc.md (untyped_call): Save the registers manually.
10858         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
10860 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
10862         PR middle-end/20917
10863         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
10864         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
10866 2004-04-12  Richard Henderson  <rth@redhat.com>
10868         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
10869         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
10870         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
10871         (UNSPEC_*, UNSPECV_*): Renumber.
10873 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
10875         PR mudflap/19266
10876         From Richard Henderson <rth@redhat.com>:
10877         * tree-mudflap.c (mf_build_check_statement_for): Correct block
10878         splitting logic.
10880 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
10882         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
10884 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
10886         * config/bfin/bfin.c (bfin_library_id_string): Remove.
10887         (bfin_library_id): New variable.
10888         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
10889         instead of bfin_library_id_string.
10890         (bfin_handle_option): New function.
10891         (override_options): Remove most code to deal with shared library IDs,
10892         just check they aren't used without -mid-shared-library.
10893         (TARGET_HANDLE_OPTION): Define.
10894         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
10895         * config/bfin/bfin.opt (mshared-library-id=): New.
10897 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
10899         * tree-vect-transform.c: Fix comment typos.
10901 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
10903         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
10904         split critical edges when not possible/profitable.
10906 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
10908         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
10909         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
10910         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
10911         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
10912         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
10913         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
10914         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
10915         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
10916         MASK_NO_BITFIELD.
10917         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
10918         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
10919         * config/ns32k/ns32k.opt: New file.
10921 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
10923         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
10924         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
10925         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
10926         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
10927         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
10928         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
10929         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
10930         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
10931         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
10932         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
10933         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
10934         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
10935         (MASK_COLDFIRE): Formatting fixes.
10936         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
10937         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
10938         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
10939         "_current_shared_library_a5_offset_".
10940         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
10941         (MASK_ALL_CPU_BITS): New macro.
10942         (m68k_handle_option): New function.
10943         (override_options): Remove handling of m68k_library_id_string.
10944         * config/m68k/m68k.opt: New file.
10945         * config/m68k/ieee.opt: New file.
10947 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
10949         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
10950         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
10951         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
10952         (TARGET_CXX): Adjust accordingly.
10953         * target.h (struct gcc_target): Remove epxort_class_data.  Add
10954         determine_class_data_visibility and class_data_always_comdat.
10955         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
10956         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
10957         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
10958         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
10959         (arm_cxx_determine_class_data_visibility): New.
10960         (arm_cxx_class_data_always_comdat): Likewise.
10961         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
10962         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
10963         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
10964         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
10965         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
10966         Define.
10968 2005-04-11  Devang Patel  <dpatel@apple.com>
10970         * tree-data-ref.c (build_classic_dist_vector,
10971         compute_subscript_distance): Make externally visible.
10972         * tree-data-ref.h (build_classic_dist_vector,
10973         compute_subscript_distance): Same.
10974         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
10975         Check distance vector against vectorization factor.
10976         (vect_analyze_loop): Determine vectorizaion factor before
10977         analyzing data dependences.
10978         * tree-vectorizer.c (loops_num): Make it externally visible and
10979         rename ...
10980         * tree-vectorizer.c (vect_loops_num): ... new name.
10981         * tree-vectorizer.h  (vect_loops_num): New.
10983 2005-04-11  Devang Patel  <dpatel@apple.com>
10985         * tree-vect-analyze.c (vect_analyze_operations): Check
10986         vectorizable codition.
10987         * tree-vect-transform.c (vect_is_simple_cond): New function.
10988         (vectorizable_condition): New function.
10989         (vect_transform_stmt): Handle condition_vec_info_type.
10990         * tree-vectorizer.h (enum stmt_vec_info_type): Add
10991         condition_vec_info_type.
10992         (vectorizable_condition): New.
10994 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
10996         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
10997         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
10998         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
11000         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
11001         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
11003         * dwarf2out.c (output_line_info): Don't try to dereference
11004         a NULL current_function_decl.
11006         * config/t-slibgcc-darwin: Don't put shared libraries in
11007         directories other than $(slibdir).
11008         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
11009         OS uses for it.
11011 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
11013         PR tree-optimization/20933
11014         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
11015         logic to reject aliases between read-only and writable
11016         variables ...
11017         (may_alias_p): ... here.
11018         (get_tmt_for): Do not associate read-only tags to pointers
11019         whose pointed-to type is not read-only.
11020         * tree-ssa.c (verify_ssa): Check that memory stores have at
11021         least one V_MAY_DEF or V_MUST_DEF.
11023 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11025         PR/17092
11026         * configure.ac (gcc_UNLOCKED_FUNCS): New.
11027         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
11028         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
11029         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
11030         _unlocked function.
11031         (fwrite_unlocked): Fix prototype.
11033         * configure, config.in: Regenerate.
11035 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
11037         * tree-ssa-loop-im.c: Include real.h.
11038         (determine_invariantness_stmt): If real division divisor is
11039         invariant and flag_unsafe_math_optimizations enabled, generate
11040         invariant reciprocal for hoisting.
11041         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
11043 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
11045         Fix PR tree-optimization/20926
11047         * tree-ssa-alias.c (add_type_alias): Handle subvars.
11049 2005-04-11  Devang Patel  <dpatel@apple.com>
11051         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
11052         operand ordering.
11054 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
11056         * fold-const.c (fold_binary_op_with_conditional_arg):
11057         use fold_buildN instead of "fold (buildN" in some
11058         non obvious places.
11059         (fold_unary): Likewise.
11060         (fold_binary): Likewise.
11062 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
11064         Fix PR tree-optimization/20612
11065         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
11066         handling
11067         (perfect_nestify): preheaderbb is *not* part of loop of the
11068         old destination.
11070 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
11072         * tree-ssa-alias.c (may_alias_p): If the variable
11073         is a global variable and the pointer is parameter
11074         and -fargument-noalias-global is used, then
11075         the pointer cannot alias the variable.
11077 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
11079         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
11080         * config/sparc/sparc.h: Likewise.
11081         * config/sparc/sparc.md: Likewise.
11083 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
11085         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
11087         * tree-vrp.c: Fix a comment typo.
11089 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
11091         PR tree-optimization/20920
11092         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
11093         SSA_NAME flows through an abnormal edge.
11094         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
11095         through abnormal edges.
11096         (maybe_add_assert_expr): Likewise.
11098 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
11100         * config/s390/s390.h (s390_tune_string, s390_arch_string)
11101         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
11102         (s390_stack_size_string, s390_stack_guard_string, target_flags)
11103         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
11104         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
11105         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
11106         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
11107         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
11108         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
11109         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
11110         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
11111         (TARGET_HANDLE_OPTION): Likewise.
11112         (s390_tune): Initialize to PROCESSOR_max.
11113         (s390_arch_string): Make static.
11114         (s390_tune_string, s390_warn_framesize_string): Delete.
11115         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
11116         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
11117         (s390_handle_arch_option, s390_handle_option): New functions.
11118         (override_options): Remove parsing of option strings.
11119         * config/s390/s390.opt: New file.
11121 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
11123         * tree-complex.c (expand_vector_operations): Call
11124         update_stmt_if_modified.
11126 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
11128         * tree-vect-analyze (vect_determine_vectorization_factor):
11129         Do not use GET_MODE_NUNITS.
11130         * tree-vect-transform.c (vect_get_vec_def_for_operand,
11131         (vectorizable_load, vect_transform_loop): Likewise.
11133 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
11135         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
11136         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
11137         * optabs.h (enum optab_index): Add new OTI_lceil.
11138         (lceil_optab): Define corresponding macro.
11139         * optabs.c (init_optabs): Initialize lceil_optab.
11140         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
11141         and lceildi2 patterns.
11142         * builtins.c (expand_builtin_int_roundingfn): Handle
11143         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
11144         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
11145         BUILT_IN_LLCEIL{,F,L}.
11146         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
11147         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
11148         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
11149         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
11150         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
11151         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
11152         into lceil built-in function and (long long int)ceil{,f,l} into
11153         llceil built-in function.
11154         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
11155         BUILT_IN_LLCEIL.
11157 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11159         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
11160         zero.
11162 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
11164         * config/arm/arm.c: Fix a comment typo.
11165         * doc/tree-ssa.texi: Fix a typo.
11167 2005-04-10  Steven Bosscher  <stevenb@suse.de>
11169         * cselib.c (clear_table): Rename to cselib_clear_table.
11170         * cselib.h (cselib_clear_table): Add prototype.
11171         * gcse.c (gcse_main): Make 'f' argument unused.
11172         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
11173         of each basic block instead.
11174         (compute_sets, compute_hash_table_work): Likewise.
11175         (constprop_register): Change int 'alter_jumps' argument to bool.
11176         (do_local_cprop): Likewise.
11177         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
11178         the insn chain.  Explicitly clear the cselib tables after finishing
11179         one basic block.  Make sure there are no unterminated libcall blocks.
11180         Update compute_sets call.
11181         (cprop): Walk basic blocks instead of the insn chain.
11182         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
11183         Likewise.
11184         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
11185         one_cprop_pass calls.
11187 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
11189         * combine.c (combine_simplify_rtx): Remove a transformation that
11190         relies on an invalid assumption about rtl sign-extension semantics.
11192 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
11194         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
11195         to build_int_cst_wide.
11197 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
11199         PR target/20126
11200         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
11201         set the original address pseudo to the correct value before the
11202         original insn, if possible, and leave the insn alone, otherwise
11203         create a new pseudo, set it and replace it in the insn.
11204         * recog.c (validate_change_maybe_volatile): New.
11205         * recog.h (validate_change_maybe_volatile): Declare.
11207 2005-04-09  Caroline Tice  <ctice@apple.com>
11209         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
11210         Remove targetm.have_named_sections test.
11211         (fix_edges_for_rarely_executed_code): Likewise.
11212         (insert_section_boundary_note): Likewise.
11213         (reorder_basic_blocks): Check partitioning flag before calling
11214         verify_hot_cold_block_grouping.
11215         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
11216         the function struct rather than global variables.
11217         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
11218         (COLD_END_LABEL): Likewise
11219         (cold_text_section_label): New static global variable.
11220         (cold_end_label): Likewise.
11221         (dwarf2out_switch_text_section): Get hot/cold section labels from
11222         the function struct rather than global variables.
11223         (output_aranges): Use cold_text_section_label and cold_end_label;
11224         check partitioning flag before putting out delta.
11225         (output_ranges): Remove incorrect code attempting to use
11226         hot/cold labels.
11227         (output_line_info): Get cold section label from function struct.
11228         (add_location_or_const_value_attribute): Likewise.
11229         (get_subprogram_die): Get hot/cold section labels from function struct.
11230         (dwarf2out_var_location): Likewise.
11231         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
11232         write out cold_text_section_label if partition flag is set.
11233         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
11234         * function.h (struct function): Add new fields to point to hot/cold
11235         section labels: hot_section_label, cold_section_label,
11236         hot_section_end_label and cold_section_end_label; also add new field
11237         for cold text section name, unlikely_text_section_name.
11238         * opts.c (decode_options): Turn off partitioning flag if
11239         !targetm.have_named_sections.
11240         * output.h (hot_section_label): Remove.
11241         (hot_section_end_label): Remove.
11242         (cold_section_end_label): Remove.
11243         (unlikely_section_label): Remove.
11244         (unlikely_text_section_name): Remove.
11245         * passes.c (rest_of_handle_final):  Remove code that frees
11246         unlikely_text_section_name.
11247         * varasm.c (unlikely_section_label): Remove.
11248         (hot_section_label): Remove.
11249         (hot_section_end_label): Remove.
11250         (cold_section_end_label): Remove.
11251         (unlikely_text_section_name):  Remove.
11252         (initialize_cold_section_name): Modify to call
11253         targetm.strip_name_encoding; to store cold section name in current
11254         function struct, if it exists; and to only use the decl_section_name
11255         if flag_named_sections is true.
11256         (unlikely_text_section): Modify to get section name out of current
11257         function struct, if there is one; otherwise build it from
11258         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
11259         (in_unlikely_text_section): Likewise.
11260         (named_section): Modify to get/put cold section name in current function
11261         struct, if there is one.
11262         (function_section):  Change 'bool unlikely' to 'int reloc'; check
11263         targetm.have_named_sections before calling named_section.
11264         (current_function_section): Likewise.
11265         (assemble_start_function): Modify to get/put unlikely_text_section_name
11266         in current function struct; modify to get hot/cold section labels
11267         from function struct; initialize labels using
11268         ASM_GENERATE_INTERNAL_LABEL;
11269         test partitioning flag before writing out hot section label.
11270         (assemble_end_function): Test partitioning flag before writing out
11271         hot/cold section labels.
11272         (default_section_type_flags_1):  Modify to use array instead of
11273          char* for unlikely_text_section_name; set flags correctly for
11274          cold text section if there is not a current function decl.
11276 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
11278         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
11279         and TI_VA_LIST_FPR_COUNTER_FIELD.
11280         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
11281         * tree-pass.h (pass_stdarg): Add.
11282         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
11283         * tree-stdarg.c: New file.
11284         * tree-stdarg.h: New file.
11285         * Makefile.in (OBJS-common): Add tree-stdarg.o.
11286         (tree-stdarg.o): Add dependencies.
11287         * function.h (struct function): Add va_list_gpr_size and
11288         va_list_fpr_size fields.
11289         * function.c (allocate_struct_function): Initialize them.
11290         * target.h (struct gcc_target): Add stdarg_optimize_hook.
11291         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
11292         (TARGET_INITIALIZER): Add it.
11294         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
11295         va_list_{g,f}pr_counter_field.
11296         (ix86_setup_incoming_varargs): Don't do anything if reg_save
11297         area will not be used.  Only save registers that tree-stdarg.c
11298         detected they need saving.
11299         (ix86_va_start): Don't set up fields that won't be used.
11301         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
11302         va_list_{g,f}pr_counter_field.
11303         (setup_incoming_varargs): Don't do anything if reg_save
11304         area will not be used.  Only save registers that tree-stdarg.c
11305         detected they need saving.
11306         (rs6000_va_start): Don't set up fields that won't be used.
11308         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
11309         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
11310         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
11311         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
11313 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
11315         PR target/20795
11316         * config/i386/i386.c (construct_container): Pass empty aligned
11317         struct, union or class in memory.
11319 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
11321         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
11322         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
11323         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
11324         config/rs6000/predicates.md: Fix comment typos.
11326         * sched-int.h (haifa_insn_data): Remove blockage and units.
11327         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
11328         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
11329         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
11331 2005-04-09  Jan Hubicka  <jh@suse.cz>
11332             Steven Bosscher  <stevenb@suse.de>
11334         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
11335         * cfgloop.c (get_loop_exit_edges): Likewise.
11336         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
11337         (unloop): Likewise.
11338         * loop-unroll.c (analyze_insns_in_loop): Likewise.
11339         * tree-cfg.c (dump_cfg_status): Likewise.
11341 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
11343         * config/rs6000/predicates.md (altivec_register_operand): Remove
11344         redundant match_code test.
11345         (gpc_reg_operand): Same.
11346         (cc_reg_operand): Same.
11347         (cc_reg_not_cr0_operand): Same.
11349 2005-04-09  Jan Hubicka  <jh@suse.cz>
11351         Forgotten hunk from my last merge patch:
11352         * final.c (output_addr_const): Do not call mark_referenced.
11354 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
11356         * doc/tree-ssa.texi: Add immediate use documentation.
11358 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
11360         * arm.c (FL_WBUF): Define.
11361         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
11362         (arm_is_6_or_7): Delete.
11363         (arm_tune_wbuf): New.
11364         (arm_override_options): Set arm_tune_wbuf.
11365         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
11366         (arm_is_6_or_7): Delete declaration.
11367         (arm_tune_wbuf): New declartion.
11368         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
11369         (model_wbuf): Derive from arm_tune_wbuf.
11370         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
11371         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
11372         (arm740t): Mark CPUs as having a write buffer.
11374 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
11376         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
11377         of 'const_double_operand' in operand 2 constraints.  Update enable
11378         condition.
11380 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
11382         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
11383         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
11384         * optabs.h (enum optab_index): Add new OTI_lfloor.
11385         (lfloor_optab): Define corresponding macro.
11386         * optabs.c (init_optabs): Initialize lfloor_optab.
11387         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
11388         and lfloordi2 patterns.
11389         * builtins.c (expand_builtin_int_roundingfn): New prototype.
11390         (expand_builtin_int_roundingfn): New function.
11391         (fold_builtin_int_roundingfn): New prototype.
11392         (fold_builtin_int_roundingfn): New function, renamed from
11393         fold_builtin_lround.
11394         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
11395         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
11396         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
11397         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
11398         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
11399         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
11400         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
11401         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
11402         into lfloor built-in function and (long long int)floor{,f,l} into
11403         llfloor built-in function.
11404         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
11405         BUILT_IN_LLFLOOR.
11407 2005-04-08  Ian Lance Taylor  <ian@airs.com>
11409         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
11410         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
11411         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
11412         (DO_COND, DO_BODY): Likewise.
11413         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
11414         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
11415         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
11416         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
11417         (build_continue_stmt, build_break_stmt): Don't declare.
11418         (c_do_switch_warnings): Update declaration.
11419         * c-gimplify.c (enum bc_t): Remove.
11420         (struct c_gimplify_ctx, ctxp): Remove.
11421         (push_context, pop_context): Remove static functions.
11422         (c_genericize): Don't call push_context or pop_context.
11423         (begin_bc_block, finish_bc_block): Remove static functions.
11424         (build_bc_goto): Likewise.
11425         (gimplify_c_loop): Likewise.
11426         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
11427         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
11428         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
11429         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
11430         * c-common.c (c_do_switch_warnings): Rename from
11431         c_do_switch_warnings_1.
11432         (c_do_switch_warnings) [old version]: Remove.
11433         (c_do_switch_expr_warnings): Remove.
11434         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
11435         function instead of c_do_switch_expr_warnings.
11436         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
11437         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
11438         * c-pretty-print.c (pp_c_statement): Likewise.
11439         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
11441 2005-04-08  Devang Patel  <dpatel@apple.com>
11443         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
11444         While selecting replacement condition pay attention to loop header.
11446 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
11448         Merge from tree-cleanup-branch: VRP, store CCP, store
11449             copy-prop, incremental SSA updating of FUD chains and
11450             newly exposed symbols.
11452         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
11453         (OBJS-common): Add tree-vrp.o.
11454         (tree-vrp.o): New rule.
11455         * basic-block.h (nearest_common_dominator_for_set): Declare.
11456         * common.opt (ftree-store-ccp): New flag.
11457         (ftree-copy-prop): New flag.
11458         (ftree-vrp): New flag.
11459         (ftree-store-copy-prop): New flag.
11460         * dominance.c (nearest_common_dominator_for_set): New.
11461         * domwalk.c (walk_dominator_tree): Only traverse
11462         statements in blocks marked in walk_data->interesting_blocks.
11463         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
11464         * fold-const.c (fold): Handle ASSERT_EXPR.
11465         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
11466         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
11467         flag_tree_vrp at -O2.
11468         * timevar.def (TV_TREE_VRP): Define.
11469         (TV_TREE_COPY_PROP): Define.
11470         (TV_TREE_STORE_COPY_PROP): Define.
11471         (TV_TREE_SSA_INCREMENTAL): Define.
11472         (TV_TREE_STORE_CCP): Define.
11473         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
11474         to kill_redundant_phi_nodes from comment.
11475         (verify_expr): Handle ASSERT_EXPR.
11476         * tree-dfa.c (mark_new_vars_to_rename): Remove second
11477         argument.  Update all users.
11478         (mark_call_clobbered_vars_to_rename): Remove.  Update all
11479         users.
11480         * tree-flow-inline.h (unmodifiable_var_p): New.
11481         * tree-flow.h (enum value_range_type): Declare.
11482         (struct value_range_def): Declare.
11483         (value_range): Declare.
11484         (remove_all_phi_nodes_for): Remove.  Update all users.
11485         (find_phi_node_for): Declare.
11486         (add_type_alias): Declare.
11487         (count_uses_and_derefs): Declare.
11488         (kill_redundant_phi_nodes): Remove.
11489         (rewrite_into_ssa): Remove.
11490         (rewrite_def_def_chains): Remove.
11491         (update_ssa, register_new_name_mapping, create_new_def_for,
11492         need_ssa_update_p, name_registered_for_update_p,
11493         release_ssa_name_after_update_ssa, dump_repl_tbl,
11494         debug_repl_tbl, dump_names_replaced_by,
11495         debug_names_replaced_by, mark_sym_for_renaming,
11496         mark_set_for_renaming, get_current_def, set_current_def,
11497         get_value_range, dump_value_range, debug_value_range,
11498         dump_all_value_ranges, debug_all_value_ranges,
11499         expr_computes_nonzero, loop_depth_of_name,
11500         unmodifiable_var_p): Declare.
11501         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
11502         ASSERT_EXPR.
11503         * tree-into-ssa.c (block_defs_stack): Update comment.
11504         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
11505         syms_to_rename, names_to_release, repl_tbl,
11506         need_to_initialize_update_ssa_p, need_to_update_vops_p,
11507         need_to_replace_names_p): New locals.
11508         (NAME_SETS_GROWTH_FACTOR): Define.
11509         (struct repl_map_d): Declare.
11510         (struct mark_def_sites_global_data): Add field
11511         interesting_blocks.
11512         (enum rewrite_mode): Declare.
11513         (REGISTER_DEFS_IN_THIS_STMT): Define.
11514         (compute_global_livein): Use last_basic_block instead of
11515         n_basic_blocks.
11516         (set_def_block): Remove last argument.  Update all callers.
11517         (prepare_use_operand_for_rename): Remove.  Update all callers.
11518         (prepare_def_operand_for_rename): Remove.  Update all callers.
11519         (symbol_marked_for_renaming): New.
11520         (is_old_name): New.
11521         (is_new_name): New.
11522         (repl_map_hash): New.
11523         (repl_map_eq): New.
11524         (repl_map_free): New.
11525         (names_replaced_by): New.
11526         (add_to_repl_tbl): New.
11527         (add_new_name_mapping): New.
11528         (mark_def_sites): Assume that all the operands in the
11529         statement are in normal form.
11530         (find_idf): Assert that the block in the stack is valid.
11531         (get_default_def_for): New.
11532         (insert_phi_nodes_for): Add new argument 'update_p'.
11533         Add documentation.
11534         If update_p is true, add a new mapping between the LHS of
11535         each new PHI and the name that it replaces.
11536         (insert_phi_nodes_1): Only call find_idf if needed.
11537         (get_reaching_def): Call get_default_def_for.
11538         (rewrite_operand): Remove.
11539         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
11540         and REWRITE_THIS_STMT are false.
11541         Assume that all the operands in the statement are in
11542         normal form.
11543         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
11544         (rewrite_virtual_phi_arguments): Remove.
11545         (invalidate_name_tags): Remove.
11546         (register_new_update_single, register_new_update_set,
11547         rewrite_update_init_block, replace_use,
11548         rewrite_update_fini_block, rewrite_update_stmt,
11549         rewrite_update_phi_arguments): New.
11550         rewrite_blocks): Remove argument 'fix_virtual_phis'.
11551         Add arguments 'entry', 'what' and 'blocks'.
11552         Initialize the dominator walker according to 'what' and
11553         'blocks'.
11554         Start the dominator walk at 'entry'.
11555         (mark_def_site_blocks): Add argument 'interesting_blocks'.
11556         Use it to configure the dominator walker.
11557         (rewrite_into_ssa): Remove argument 'all'.
11558         Make internal.
11559         (rewrite_all_into_ssa): Remove.
11560         (rewrite_def_def_chains): Remove.
11561         (mark_def_interesting, mark_use_interesting,
11562         prepare_phi_args_for_update, prepare_block_for_update,
11563         prepare_def_site_for, prepare_def_sites,
11564         dump_names_replaced_by, debug_names_replaced_by,
11565         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
11566         delete_update_ssa, create_new_def_for,
11567         register_new_name_mapping, mark_sym_for_renaming,
11568         mark_set_for_renaming, need_ssa_update_p,
11569         name_registered_for_update_p, ssa_names_to_replace,
11570         release_ssa_name_after_update_ssa,
11571         insert_updated_phi_nodes_for, update_ssa): New.
11572         * tree-loop-linear.c (linear_transform_loops): Call
11573         update_ssa instead of rewrite_into_ssa.
11574         * tree-optimize.c (vars_to_rename): Remove.
11575         Update all users.
11576         (init_tree_optimization_passes): Replace
11577         pass_redundant_phi with pass_copy_prop.
11578         Add pass_vrp.
11579         Replace pass_ccp with pass_store_ccp.
11580         Add pass_store_copy_prop after pass_store_ccp.
11581         (execute_todo): If the TODO_ flags don't include updating
11582         the SSA form, assert that it does not need to be updated.
11583         Call update_ssa instead of rewrite_into_ssa and
11584         rewrite_def_def_chains.
11585         If TODO_verify_loops is set, call verify_loop_closed_ssa.
11586         (tree_rest_of_compilation):
11587         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
11588         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
11589         TODO_cleanup_cfg): Renumber.
11590         (TODO_verify_loops, TODO_update_ssa,
11591         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
11592         TODO_update_ssa_only_virtuals): Define.
11593         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
11594         Declare.
11595         * tree-phinodes.c (make_phi_node): Update documentation.
11596         (remove_all_phi_nodes_for): Remove.
11597         (find_phi_node_for): New.
11598         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
11599         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
11600         (interpret_rhs_modify_expr): Likewise.
11601         * tree-sra.c (decide_instantiations): Mark all symbols in
11602         SRA_CANDIDATES for renaming.
11603         (mark_all_v_defs_1): Rename from mark_all_v_defs.
11604         (mark_all_v_defs): New function.  Update all users to call it
11605         with the whole list of scalarized statements, not just the
11606         first one.
11607         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
11608         (compute_flow_insensitive_aliasing): If the tag is
11609         unmodifiable and the variable isn't or vice-versa, don't
11610         make them alias of each other.
11611         (setup_pointers_and_addressables): If the type tag for
11612         VAR is about to change, mark the old one for renaming.
11613         (add_type_alias): New.
11614         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
11615         (ccp_lattice_t): Rename from latticevalue.
11616         (value): Remove.  Update all users.
11617         (const_val): New local variable.
11618         (do_store_ccp): New local variable.
11619         (dump_lattice_value): Handle UNINITIALIZED.
11620         (debug_lattice_value): New.
11621         (get_default_value): Re-write.
11622         (set_lattice_value): Re-write.
11623         (def_to_varying): Remove.  Update all users.
11624         (likely_value): Return VARYING for statements that make
11625         stores when STORE_CCP is false.
11626         Return VARYING for any statement other than MODIFY_EXPR,
11627         COND_EXPR and SWITCH_EXPR.
11628         (ccp_initialize): Re-write.
11629         (replace_uses_in, replace_vuse_in, substitute_and_fold):
11630         Move to tree-ssa-propagate.c.
11631         (ccp_lattice_meet): Handle memory stores when
11632         DO_STORE_CCP is true.
11633         (ccp_visit_phi_node): Likewise.
11634         (ccp_fold): Likewise.
11635         (evaluate_stmt): Likewise.
11636         (visit_assignment): Likewise.
11637         (ccp_visit_stmt): Likewise.
11638         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
11639         into DO_STORE_CCP.
11640         (do_ssa_ccp): New.
11641         (pass_ccp): Use it.
11642         (do_ssa_store_ccp): New.
11643         (gate_store_ccp): New.
11644         (pass_store_ccp): Declare.
11645         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
11646         (may_propagate_copy): Reformat.
11647         Don't abort if ORIG is a virtual and DEST isn't.
11648         If NEW does not have alias information but DEST does,
11649         copy it.
11650         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
11651         copy_prop_kind, which_copy_prop): Declare.
11652         (stmt_may_generate_copy, get_copy_of_val,
11653         get_last_copy_of, set_copy_of_val, dump_copy_of,
11654         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
11655         copy_prop_visit_stmt, copy_prop_visit_phi_node,
11656         init_copy_prop, fini_copy_prop, execute_copy_prop,
11657         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
11658         store_copy_prop): New.
11659         (pass_copy_prop, pass_store_copy_prop): Declare.
11660         * tree-ssa-dom.c (struct opt_stats_d): Add fields
11661         'num_const_prop' and 'num_copy_prop'.
11662         (cprop_operand): Update them.
11663         (dump_dominator_optimization_stats): Dump them.
11664         (tree_ssa_dominator_optimize): Call update_ssa instead of
11665         rewrite_into_ssa.
11666         (loop_depth_of_name): Declare extern.
11667         (simplify_cond_and_lookup_avail_expr): Guard against NULL
11668         values for LOW or HIGH.
11669         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
11670         (record_equivalences_from_stmt): Call expr_computes_nonzero.
11671         (cprop_operand): Only propagate if VAL != OP.
11672         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
11673         statement for renaming.
11674         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
11675         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
11676         add_type_alias if necessary.
11677         Call mark_new_vars_to_rename.
11678         (tree_ssa_iv_optimize): If new symbols need to be renamed,
11679         mark every statement updated, call update_ssa and
11680         rewrite_into_loop_closed_ssa.
11681         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
11682         from LIVEIN if VAR is a virtual.
11683         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
11684         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
11685         (get_call_expr_operands): Reformat statement.
11686         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
11687         symbols.
11688         * tree-ssa-propagate.c (ssa_prop_init): Initialize
11689         SSA_NAME_VALUE for every name.
11690         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
11691         get_value_loaded_by): New.
11692         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
11693         substitute_and_fold): Move from tree-ssa-ccp.c.
11694         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
11695         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
11696         get_value_loaded_by, replace_uses_in, substitute_and_fold):
11697         Declare.
11698         * tree-ssa.c (verify_use): Fix error message.
11699         (propagate_into_addr, replace_immediate_uses, get_eq_name,
11700         check_phi_redundancy, kill_redundant_phi_nodes,
11701         pass_redundant_phi): Remove.  Update all users.
11702         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
11703         add_type_alias, if necessary.
11704         * tree-vectorizer.h (struct _stmt_vect_info): Update
11705         documentation for field 'memtag'.
11706         * tree-vrp.c: New file.
11707         * tree.def (ASSERT_EXPR): Define.
11708         * tree.h (ASSERT_EXPR_VAR): Define.
11709         (ASSERT_EXPR_COND): Define.
11710         (SSA_NAME_VALUE_RANGE): Define.
11711         (struct tree_ssa_name): Add field 'value_range'.
11712         (PHI_REWRITTEN): Remove.
11713         (struct tree_phi_node): Remove field 'rewritten'.
11714         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
11715         -ftree-store-copy-prop): Document.
11716         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
11717         Document usage of update_ssa.
11719 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
11721         PR target/20814
11722         * config/rs6000/predicates.md (altivec_register_operand): Accept
11723         SUBREG.
11724         (and64_operand): Do not limit CONST_INT to mask64_operand.
11725         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
11726         (and_operand): Do not limit CONST_INT to mask_operand.
11728 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
11730         PR rtl-optimization/20466
11731         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
11732         for overlap of the address of each list member.
11733         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
11735 2005-04-08  Mike Stump  <mrs@apple.com>
11737         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
11739         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
11740         instead of 4.
11742 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
11744         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
11746         * function.c (push_function_context_to): Don't set
11747         contains_functions.
11748         * function.h (function): Remove contains_functions.
11749         (current_function_contains_functions): Remove.
11751         * function.h (function): Remove instrument_entry_exit.
11752         (current_function_instrument_entry_exit): Remove.
11754         * function.h (nonlocal_labels): Remove.
11756         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
11758         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
11759         (check_attr_value, write_attr_get, write_expr_attr_cache,
11760         find_attr, make_internal_attr): Don't reference negative_ok or
11761         unsigned_p.
11762         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
11763         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
11764         (ATTR_STATIC): Adjust the value.
11766         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
11768 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
11770         * config/s390/tpf.h (ASM_SPEC): Define.
11772 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
11774         * tree-flow.h: Remove the prototype for
11775         redirect_immediate_uses.
11776         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
11778 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
11780         * arm.c (arm_const_double_by_parts): New function.
11781         * arm-protos.h (arm_const_double_by_parts): Add prototype.
11782         * arm.md (define_split for 64-bit constants): Add another one.
11784 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
11786         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
11788 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11790         * system.h: Revert last change.
11792 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
11794         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
11795         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
11796         (TARGET_SWITCHES): Delete.
11797         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
11798         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
11799         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
11800         * config/xtensa/xtensa.opt: New file.
11802 2005-04-08  Ben Elliston  <bje@au.ibm.com>
11804         * config/fp-bit.c: Include L_mul_tf in #endif comment.
11805         * config/fp-bit.h: Tidy comments.
11807 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11809         * system.h: Poison PARAMS.
11811 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
11813         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
11814         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
11815         (TARGET_SWITCHES): Delete.
11816         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
11817         * config/vax/vax.opt: New file.
11819 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
11821         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
11823 2005-04-07  Ian Lance Taylor  <ian@airs.com>
11825         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
11826         define.
11827         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
11828         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
11829         Likewise.
11831 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
11833         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
11834         all immediate uses in PHI nodes.
11836 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
11838         * arm.c (arm_const_double_inline_cost): Handle any constant by
11839         using gen_lowpart and gen_highpart_mode.
11840         (note_invalid_constants): All constants in an RTX with a constraint
11841         that permits memory are now pushed to the constant pool.
11842         (output_move_double): Delete code to handle reg to reg and
11843         constant to reg moves.
11844         (const_double_needs_minipool, output_mov_immediate): Delete.
11845         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
11846         CONST_INT and CONST_VECTOR.
11847         * arm.md (ANY64): New mode macro.
11848         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
11849         (movdf_soft_insn): Split reg-reg and const-reg moves.
11850         (split patterns for 64-bit constant and register moves): New.
11851         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
11852         (cirrus_movdf_hard_insn): Likewise.
11853         * fpa.md (movdf_fpa): Likewise.
11854         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
11855         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
11856         constraints.
11857         (movv2si_internal_2): Likewise.
11858         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
11859         (movdf_vfp): Likewise.
11860         * arm-protos.h (output_mov_immediate): Delete prototype.
11862 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
11864         PR target/20093
11865         * simplify-rtx.c (simplify_unary_operation_1): Check
11866         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
11868 2005-04-06  James E Wilson  <wilson@specifixinc.com>
11870         PR target/20717
11871         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
11872         ADDR_EXPR.
11874 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
11876         * coverage.h (GCOV_TYPE_NODE): Delete.
11877         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
11878         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
11879         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
11880         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
11881         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
11883 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
11885         PR other/20792
11886         * Makefile.in (gcc.pot): Remove options.c dependency.
11887         * optc-gen.awk: Don't quote help strings with N_().
11889 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
11891         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
11892         the function returns a pointer type.
11894 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
11896         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
11897         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
11898         * doc/invoke.texi: Documnet salias-max-implicit-fields.
11899         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
11900         explicit_uses members.
11901         (get_or_create_used_part_for): Initialize new fields.
11902         (fieldoff_compare): New function.
11903         (create_overlap_variables_for): Count number of fields, use
11904         heuristic to determine whether to create subvars for vars with
11905         only implicit uses.
11906         Sort the field list by offset and avoid creating duplicate SFT's.
11908 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
11910         * c.opt (-F): Remove trailing whitespace from help string.
11911         (-finput-charset): Use a tab to separate the switch name and help
11912         string.
11913         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
11914         (-ftree-vectorizer-verbose): Likewise.
11916 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
11918         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
11919         a PHI argument where a use occurs instead of all PHI arguments.
11921 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
11923         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
11924         scope.
11926 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
11928         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
11929         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
11930         config/bfin/bfin.h: Fix comment typos.
11932 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
11934         * doc/install.texi: Update the URL for Jacks.
11935         * doc/sourcebuild.texi: Likewise.
11937 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
11939         PR target/17245
11940         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
11941         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
11943 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
11945         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
11947 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
11949         * config/v850/v850-protos.h (override_options): Delete.
11950         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
11951         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
11952         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
11953         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
11954         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
11955         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
11956         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
11957         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
11958         (OVERRIDE_OPTIONS): Delete.
11959         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
11960         (small_memory_info): Remove the value field.
11961         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
11962         TARGET_NO_APP_REGS.
11963         * config/v850/v850.c (small_memory): Remove the value field.
11964         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
11965         (override_options): Delete.
11966         (v850_handle_memory_option, v850_handle_option): New functions.
11967         * config/v850/v850.opt: New file.
11969 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
11971         * config.host: Add a section for generic hosts, and a subsection
11972         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
11973         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
11974         * config/host-darwin.h: New.
11975         * config/x-darwin: New.
11976         * config/i386/host-i386-darwin.c: New.
11977         * config/i386/x-darwin: New.
11978         * config/rs6000/host-darwin.c: Include host-darwin.h.
11979         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
11980         (darwin_rs6000_gt_pch_use_address): Likewise.
11981         * config/rs6000/x-darwin: Change name of .o built, update
11982         dependencies for changes to rs6000/host-darwin.c.
11984 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
11986         PR target/17824
11987         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
11989 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
11991         * tree-vect-analyze.c (vect_analyze_loop_form): Call
11992         split_loop_exit_edge instead of loop_split_edge_with.
11994 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
11996         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
11997         UNSPEC_SET_VSCR): New constants, used throughout.
11998         (*andc3_v4sf): New.
11999         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
12000         Replace with...
12001         (altivec_vspltis<VI_char>): ... this pattern, using
12002         a QImode const_int_operand for the immediate.
12003         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
12004         define_expands.
12006 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
12008         PR target/17822
12009         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
12011 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
12013         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
12015 2005-04-06  Ben Elliston  <bje@au.ibm.com>
12017         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
12018         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
12019         macros as living in "this file" and not gcc.h.
12021 2005-04-06  Ben Elliston  <bje@au.ibm.com>
12023         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
12024         -ftree-live_range_split.  Perhaps renamed at some point?
12026 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
12028         PR target/20625
12029         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
12030         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
12032 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
12034         * tree-flow.h (number_of_iterations_cond): Declaration removed.
12035         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
12036         (number_of_iterations_special): New function.
12037         (number_of_iterations_exit): Use number_of_iterations_special.
12038         Use simplify_using_outer_evolutions only at -O3.
12039         (number_of_iterations_cond, tree_simplify_using_condition,
12040         simplify_using_initial_conditions, loop_niter_by_eval,
12041         compare_trees, can_count_iv_in_wider_type_bound,
12042         simplify_using_outer_evolutions): Use fold_build.
12044 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
12046         * doc/install.texi (Configuration): Document --with-java-home.
12048 2005-04-05  Richard Henderson  <rth@redhat.com>
12050         PR target/20342
12051         PR target/20447
12052         * config/i386/i386.c (print_operand): Handle vector zeros.
12053         (ix86_split_to_parts): Handle CONST_VECTOR.
12054         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
12055         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
12056         what modes to tie for MMX and SSE registers.
12057         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
12058         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
12059         to vector modes as well.
12060         * config/i386/predicates.md (const0_operand): Handle VOIDmode
12061         properly as an input mode.
12063 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
12065         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
12067 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
12069         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
12071 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
12073         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
12074         and local functions, set sse_nregs to 8 and float_in_sse.
12075         (function_arg_advance, function_arg): If float_in_sse, pass
12076         SFmode and DFmode arguments in SSE registers.
12077         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
12079         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
12080         of -funit-at-a-time.
12082 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
12084         * config/i386/i386-protos.h (ix86_function_value): Accept two
12085         arguments, like the target macro.
12086         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
12087         * config/i386/i386.c (ix86_function_value): Accept the second
12088         argument of the target macro.
12089         (ix86_function_ok_for_sibcall): Pass a function pointer to
12090         ix86_function_value.
12091         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
12092         call to ix86_value_regno).
12093         (ix86_value_regno): Add support for returning floating point values
12094         in SSE registers.
12096 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
12098         PR tree-optimization/20076
12099         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
12100         that call __builtin_return or __builtin_apply_args.
12102 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
12104         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
12105         Use immediate use iterator.
12106         (stmt_is_bumper_for_loop): Use immediate use iterator.
12107         * predict.c (strip_builtin_expect): Use update_stmt.
12108         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
12109         on all elements of a STATEMENT_LIST.
12110         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
12111         (bsi_remove): Remove imm_use links and mark the stmt as modified.
12112         (bsi_replace): Mark stmt as modified and the update it.
12113         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
12114         (expand_complex_libcal): Call update_stmt.
12115         (expand_complex_comparison): Call mark_stmt_modified.
12116         (expand_complex_operations_1): Call update_stmt_if_modified.
12117         (expand_vector_operations_1): Call mark_stmt_modified.
12118         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
12119         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
12120         add_immediate_use, redirect_immediate_use,
12121         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
12122         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
12123         (mark_new_vars_to_rename): Call update_stmt.
12124         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
12125         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
12126         Ignore PHI nodes.
12127         (unmodify_stmt): Delete.
12128         (update_stmt): New.  Force an update of a stmt.
12129         (update_stmt_if_modified): update a stmt if it is out of date.
12130         (get_stmt_operands): Verify stmt is NOT modified.
12131         (stmt_modified_p): Update comment.
12132         (delink_imm_use): Remove a use node from its immuse list.
12133         (link_imm_use_to_list): Link a use node to a specific list.
12134         (link_imm_use): Link a node to the correct list.
12135         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
12136         it in the correct list, if appropriate.
12137         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
12138         (relink_imm_use): Link a use node in place of another node in a list.
12139         (relink_imm_use_stmt): LInk a node in place of another node, and set
12140         the stmt pointer.
12141         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
12142         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
12143         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
12144         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
12145         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
12146         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
12147         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
12148         (has_zero_uses): New.  Return true if there are no uses of a var.
12149         (has_single_use): New.  Return true if there is only a single use of a
12150         variable.
12151         (single_imm_use): New.  Return the simgle immediate use.
12152         (num_imm_uses): New.  Return the number of immediate uses.
12153         (get_v_must_def_ops): Use is now a pointer.
12154         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
12155         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
12156         the use node.
12157         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
12158         (delink_stmt_imm_use): Delink all immuses from a stmt.
12159         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
12160         * tree-flow.h (struct dataflow_d): Delete.
12161         (immediate_use_iterator_d): New.  Immediate use iterator struct.
12162         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
12163         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
12164         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
12165         iteration.
12166         (struct stmt_ann_d): Remove dataflow_t from struct.
12167         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
12168         (if_convertible_phi_p): Use FAST immuse iterator.
12169         (if_convertible_loop_p): Don't call compute_immediate_uses.
12170         (replace_phi_with_cond_modify_expr): Call update_stmt.
12171         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
12172         update_stmt_if_modified.
12173         (rewrite_all_into_ssa): Initialize ssa operands.
12174         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
12175         compute_immediate_uses.
12176         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
12177         ssa_property is available.
12178         (execute_one_pass):  Change parameters passed to execute_todo.
12179         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
12180         (remove_ssa_form): Call fini_ssa_operands.
12181         (insert_backedge_copies): Delete call to modify_stmt.
12182         * tree-phinodes.c (make_phi_node): Initialize use nodes.
12183         (release_phi_node): Delink any use nodes before releasing.
12184         (resize_phi_node): Relink any use nodes.
12185         (remove_phi_arg_num): Delink the use node.
12186         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
12187         (remove_all_phi_nodes_for): Release phi node first.
12188         * tree-pretty-print.c (dump_generic_node): Print stmt address.
12189         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
12190         (scalarize_use, scalarize_copy): Call update_stmt.
12191         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
12192         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
12193         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
12194         (ccp_initialize): Remove call to compute_immediate_uses.
12195         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
12196         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
12197         stmts.
12198         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
12199         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
12200         (eliminate_redundant_computations): Call mark_stmt_modified.
12201         (cprop_operand): Call mark_stmt_modified.
12202         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
12203         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
12204         (dse_optimize_stmt): Use new immuse interface.
12205         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
12206         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
12207         (substitute_single_use_vars): Use new immuse interface.
12208         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
12209         and compute_immediate_uses.
12210         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
12211         interface.
12212         (rewrite_mem_refs): Call update_stmt.
12213         (determine_lsm): Remove call to compute_imm_uses and free_df.
12214         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
12215         (try_unroll_loop_completely): Call update_stmt.
12216         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
12217         (rewrite_use_compare): Call update_stmt.
12218         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
12219         (rewrite_use) : Call update_stmt.
12220         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
12221         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
12222         update_stmt.
12223         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
12224         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
12225         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
12226         use nodes.
12227         (initialize_vuse_operand): New.  Initialize a vuse operand.
12228         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
12229         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
12230         (finalize_ssa_defs): Use stmt parameter.
12231         (correct_use_link): Ensure a use node is in the correct list, and has
12232         the correct stmt pointer.
12233         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
12234         finalize_ssa_v_must_defs): Also initialize use nodes.
12235         (finalize_ssa_stmt_operands): Pass extra stmt operands.
12236         (build_ssa_operands): Seperate parsing from final operand construction.
12237         (parse_ssa_operands): New.  Parse entry point for operand building.
12238         (swap_tree_operands): New.  Swap 2 tree operands.
12239         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
12240         operands.
12241         (get_expr_operands): Call swap_tree_operands when needed.
12242         (copy_virtual_operands): Use initialize routines for virtual use ops.
12243         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
12244         (verify_abort): New.  Issue imm_use error.
12245         (verify_imm_links): New Verify imm_use links for a var.
12246         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
12247         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
12248         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
12249         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
12250         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
12251         (NULL_USE_OPERAND_P) Define.
12252         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
12253         use node.
12254         (struct vuse_operand_type): New struct.
12255         (SET_USE): Call set_ssa_use_from_ptr.
12256         (USE_STMT): Define.
12257         (PHI_ARG_INDEX_FROM_USE): Define.
12258         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
12259         argument via SET_USE, not PHI_ARG_DEF_TREE.
12260         * tree-ssa-pre.c (eliminate): Call update_stmt.
12261         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
12262         call free_df.
12263         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
12264         (nearest_common_dominator_of_uses): Use imm_use iterator.
12265         (statement_sink_location): Use imm_use iterator and interface.
12266         (execute_sink_code): Don't call compute_immediate_uses or free-df.
12267         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
12268         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
12269         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
12270         (verify_ssa): Ensure no stmt is marked modify after optimization pass
12271         if new parameter is true.
12272         (init_tree_ssa): Don't initialize operand cache here.
12273         (delete_tree_ssa): Don't destroy operand cache here.
12274         (propagate_into_addr): Pass in a use pointer, return true if anything
12275         was changed.
12276         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
12277         (check_phi_redundancy): Use imm_use iterator.
12278         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
12279         free_df.
12280         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
12281         (release_ssa_name): Delink node and all elements in its imm_use list.
12282         * tree-tailcall.c (adjust_return_value): Call update_stmt.
12283         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
12284         * tree-vectorizer.c (need_imm_uses_for): Delete.
12285         (vectorize_loops): Dont call compute_immediate_uses or free_df.
12286         * tree.h (struct ssa_imm_use_d): Define.
12287         (SSA_NAME_IMM_USE_NODE): Define.
12288         (struct tree_ssa_name): Add imm_use node.
12289         (PHI_DF): Delete.
12290         (PHI_ARG_IMM_USE_NODE): Define.
12291         (struct phi_arg_d): Add imm_use node.
12292         (struct tree_phi_node): Remove struct dataflow_d element.
12293         (TDF_STMTADDR): Define.
12295 2005-04-05  Dale Johannesen  <dalej@apple.com>
12297         * doc/invoke.texi (Optimization Options):  Remove
12298         duplicate -fcse-follow-jumps.  Add -fweb.
12299         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
12300         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
12302 2005-04-05  Per Bothner  <per@bothner.com>
12304         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
12305         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
12306         (warn_uninit): Get EXPR_LOCUS from context now instead.
12307         This fixes a USE_MAPPED_LOCATION testsuite failure.
12309         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
12311 2005-04-05  Per Bothner  <per@bothner.com>
12313         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
12314         of the artification 'return 0' in main() to BUILTINS_LOCATION.
12315         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
12316         before warning.
12318 2004-04-05  Devang Patel  <dpatel@apple.com>
12320         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
12321         (lhsr<mode>3): ... new name.
12322         (altivec_vsra<VI_char>): Rename to ..
12323         (ashr<mode>3): ... new name.
12324         * config/rs6000/rs6000.c (builtin_description): Rename shift
12325         operations.
12327 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
12329         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
12330         gen_lowpart_for_combine.
12331         * cse.c (gen_lowpart_if_possible): Move...
12332         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
12333         gen_lowpart_SUBREG.
12334         (gen_lowpart_no_emit_general): Use it.
12336 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
12338         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
12339         overriding.
12341 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
12343         * system.h: Fix typo.
12345 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
12347         * config/bfin/bfin-modes.def: New file.
12348         * config/bfin/bfin-protos.h: New file.
12349         * config/bfin/bfin.c: New file.
12350         * config/bfin/bfin.h: New file.
12351         * config/bfin/bfin.md: New file.
12352         * config/bfin/bfin.opt: New file.
12353         * config/bfin/crti.s: New file.
12354         * config/bfin/crtn.s: New file.
12355         * config/bfin/elf.h: New file.
12356         * config/bfin/lib1funcs.asm: New file.
12357         * config/bfin/predicates.md: New file.
12358         * config/bfin/t-bfin: New file.
12359         * config/bfin/t-bfin-elf: New file.
12360         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
12361         Document new attributes.
12362         (interrupt, interrupt_handler, saveall): Update documentation for
12363         these attributes.
12364         * doc/install.texi (Specific): Add entry for the Blackfin.
12365         * doc/invoke.texi (Blackfin Options): New section.
12366         * doc/md.texi (Blackfin family): New section to document constraints.
12367         * config.gcc: Add bfin*-* and bfin*-elf configurations.
12369 2005-04-05  Olivier Hainque  <hainque@adacore.com>
12371         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
12372         match what the system unwinder expects.
12373         * config/mips/mips.c (mips_frame_set): If we're saving the return
12374         address register and the dwarf return address column number differs
12375         from the hard register number, adjust the note reg to refer to the
12376         former.
12378 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
12380         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
12381         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
12382         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
12383         (processor_type): New enum.
12384         (mn10300_processor): New variable.
12385         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
12386         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
12387         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
12388         (PROCESSOR_DEFAULT): New macro.
12389         * config/mn10300/mn10300.c (mn10300_processor): New variable.
12390         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
12391         (mn10300_handle_option, mn10300_override_options): New functions.
12392         * config/mn10300/mn10300.opt: New file.
12394 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
12395             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
12397         PR tree-optimization/19903
12398         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
12399         that don't fit in their type after conversion.
12401 2005-04-05  Uros Bizjak <uros@kss-loka.si>
12403         PR target/20421
12404         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
12405         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
12406         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
12407         flag here. Implement using define_insn_and_split.
12408         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
12409         (frndintxf2_mask_pm_i387): New insn patterns.
12410         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
12411         Do not set ix86_optimize_mode_switching flag.
12412         (ceilsf2, ceildf2, ceilxf2): Same.
12413         (btruncsf2, btruncdf2, btruncxf2): Same.
12414         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
12416 2005-04-05  Ian Lance Taylor  <ian@airs.com>
12418         PR debug/9963
12419         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
12420         i386_pe_record_external_function.
12421         (i386_pe_record_external_function): Update declaration.
12422         * config/i386/winnt.c (struct extern_list): Add decl field.
12423         (i386_pe_record_external_function): Add decl parameter.
12424         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
12425         identifier.
12426         * config/i386/i386-protos.h (i386_pe_record_external_function):
12427         Update declaration.
12429 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
12431         * config/m68k/m68k-protos.h: Add a prototype for
12432         valid_dbcc_comparison_p_2.
12433         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
12434         extend_operator, const_uint32_operand, const_sint32_operand,
12435         general_src_operand, nonimmediate_src_operand,
12436         memory_src_operand, post_inc_operand, pre_dec_operand,
12437         pcrel_address): Move to predicates to predicates.md.
12438         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
12439         * config/m68k/m68k.md: Include predicates.md.
12440         * config/m68k/predicates.md: New.
12442 2005-04-04  Roger Sayle  <roger@eyesopen.com>
12444         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
12446         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
12448 2005-04-04  Ian Lance Taylor  <ian@airs.com>
12450         * c-typeck.c (struct c_switch): Rename switch_stmt field to
12451         switch_expr.
12452         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
12453         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
12454         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
12455         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
12456         * c-common.c (c_do_switch_warnings_1): New static function broken
12457         out of c_do_switch_warnings.
12458         (c_do_switch_warnings): Call c_do_switch_warnings_1.
12459         (c_do_switch_expr_warnings): New function.
12460         * c-common.h (c_do_switch_expr_warnings): Declare.
12462 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
12463             Daniel Jacobowitz  <dan@codesourcery.com>
12465         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
12466         trapping divide.
12467         * rtlanal.c (may_trap_p): Same.
12469 2005-04-04  Dale Johannesen  <dalej@apple.com>
12471         * ChangeLog:  remove reference to ChangeLog.12.
12473 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
12475         CRIS epilogue as RTL.
12476         * config/cris/cris.md: Change all 0 in unspec 0 to
12477         CRIS_UNSPEC_PLT.
12478         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
12479         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
12480         patterns.
12481         ("return"): Change to define_expand.  Call cris_expand_return for
12482         actual expansion.
12483         ("*return_expanded"): New pattern.
12484         ("epilogue"): New define_expand.
12485         * config/cris/cris.h (PREDICATE_CODES): Add
12486         cris_load_multiple_op.
12487         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
12488         type.
12489         (enum cris_retinsn_type): New.
12490         (struct machine_function): New member return_type.
12491         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
12492         (cris_target_asm_function_epilogue): Remove, moving RTLified
12493         contents to...
12494         (cris_expand_epilogue): New function.
12495         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
12496         (cris_gen_movem_load, cris_load_multiple_op)
12497         (cris_return_address_on_stack_for_return, cris_expand_return): New
12498         functions.
12499         (cris_target_asm_function_prologue)
12500         (cris_initial_frame_pointer_offset): Call
12501         cris_reg_saved_in_regsave_area instead of complicated expression.
12502         Call cris_return_address_on_stack instead of an expression.
12503         (cris_print_operand) <case 'o', case 'O'>: New cases.
12504         (cris_return_address_on_stack): Change return-type to bool.
12505         (cris_simple_epilogue): Ditto.  Return false if registers are
12506         saved.
12507         * config/cris/cris-protos.h (cris_simple_epilogue)
12508         (cris_return_address_on_stack): Adjust prototype return type.
12509         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
12510         (cris_return_address_on_stack_for_return): New prototypes.
12512 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
12514         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
12515         gpr_or_int12_operand.
12517         * config/frv/frv-protos.h: Add a prototype to
12518         frv_legitimate_memory_operand and frv_const_unspec_p.
12519         (frv_unspec): Move from frv.c.
12520         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
12521         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
12522         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
12523         gpr_or_fpr_operand, gpr_or_int12_operand,
12524         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
12525         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
12526         int6_operand, int5_operand, uint5_operand, uint4_operand,
12527         uint1_operand, int_2word_operand, uint16_operand,
12528         upper_int16_operand, integer_register_operand,
12529         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
12530         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
12531         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
12532         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
12533         move_destination_operand, movcc_fp_destination_operand,
12534         frv_function_symbol_referenced_p, move_source_operand,
12535         condexec_dest_operand, condexec_source_operand,
12536         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
12537         const_unspec_operand, gpr_or_memory_operand,
12538         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
12539         icc_operand, fcc_operand, cc_operand, icr_operand,
12540         fcr_operand, cr_operand, call_operand, sibcall_operand,
12541         symbolic_operand, relational_operator,
12542         integer_relational_operator, float_relational_operator,
12543         ccr_eqne_operator, minmax_operator,
12544         condexec_si_binary_operator, condexec_si_media_operator,
12545         condexec_si_divide_operator, condexec_si_unary_operator,
12546         condexec_sf_conv_operator, condexec_sf_add_operator,
12547         condexec_memory_operand, intop_compare_operator, acc_operand,
12548         even_acc_operand, quad_acc_operand, accg_operand: Move to
12549         predicates.md.
12550         * config/frv/frv.h (PREDICATE_CODES): Remove.
12551         * config/frv/frv.md: Include predicates.md.
12552         * config/frv/predicates.md: New.
12554 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
12556         PR target/19537
12557         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
12558         * tree-ssa-loop-ivopts.c: Include langhooks.h.
12559         (add_standard_iv_candidates_for_size): New function, extracting code
12560         from add_standard_iv_candidates and parameterizing it by type size.
12561         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
12563 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
12565         * system.h (GCOV_SIZE_TYPE): Unposion.
12566         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
12567         (GCOV_TYPE_SIZE): ...this new macro.
12568         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
12569         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
12570         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
12571         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
12572         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
12573         instead of unsigned_intSI_type_node.
12574         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
12575         (rtl_gen_one_value_profiler_no_edge_manipulation)
12576         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
12577         * value-prof.c: Include coverage.h.
12579 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
12580             Diego Novillo <dnovillo@redhat.com>
12582         Fix PR tree-optimization/20703
12583         Fix PR tree-optimization/20725
12585         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
12586         (create_expression_by_pieces): Ditto.
12587         (valid_in_set): Ditto. Also handle tcc_declaration.
12588         (find_or_generate_expression): Handle comparison class.
12589         (insert_into_preds_of_block): Ditto.
12590         (insert_aux): Ditto.
12591         (create_value_expr_from): Handle comparison class, recursively
12592         handle reference nodes.
12593         (compute_avail): Handle comparison classes, rewrite a little cleaner.
12594         (execute_pre): Fix spacing.
12595         (do_fre): Renamed to execute_fre.
12597 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12599         * doc/invoke.texi (SPARC options): Document that
12600         -mlittle-endian is not supported on Linux either.
12602 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12604         PR target/4198
12605         PR target/12027
12606         * config.gcc (Obsolete configurations): Remove
12607         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
12608         (sparclite-*-coff*): Delete.
12609         (sparclite-*-elf*): Likewise.
12610         (sparc86x-*-elf*): Likewise.
12611         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
12612         * config/sparc/lite.h: Delete.
12613         * config/sparc/litecoff.h: Likewise.
12614         * config/sparc/liteelf.h: Likewise.
12615         * config/sparc/sp86x-elf.h: Likewise.
12616         * config/sparc/t-sparclite: Likewise.
12617         * config/sparc/t-sp86x: Likewise.
12619 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
12621         * config/s390/s390-protos.h: (s390_comparison,
12622         s390_alc_comparison, s390_slb_comparison, const0_operand,
12623         consttable_operand, larl_operand, s_operand,
12624         shift_count_operand, bras_sym_operand, load_multiple_operation,
12625         store_multiple_operation, s390_plus_operand): Remove prototypes.
12626         (s390_legitimate_address_without_index_p): New prototype.
12627         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
12628         to s390.h.
12629         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
12630         const0_operand, consttable_operand, larl_operand, s_operand,
12631         shift_count_operand, bras_sym_operand, load_multiple_operation,
12632         store_multiple_operation, s390_plus_operand): Move to
12633         predicates.md.
12634         (check_mode): Remove.
12635         (s390_branch_condition_mask): Remove 'static'. Move prototype to
12636         s390-protos.h.
12637         (s390_legitimate_address_without_index_p): New.
12638         * config/s390/s390.h (PREDICATE_CODES): Remove.
12639         * config/s390/s390.md: Include predicates.md.
12640         * config/s390/predicates.md: New.
12642 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
12644         PR target/20446
12645         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
12646         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
12647         (NEED_INDICATE_EXEC_STACK): Define to 1.
12648         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
12649         (NEED_INDICATE_EXEC_STACK): Define to 1.
12650         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
12651         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
12652         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
12653         (pic_helper_emitted_p): New global.
12654         (emit_pic_helper): New function extracted from...
12655         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
12656         Do not call emit_pic_helper if delay_pic_helper is true.
12657         (sparc_expand_prologue): Pass 'false' to load_pic_register.
12658         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
12659         (sparc_file_end): New function.
12661 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
12663         * config/mcore/mcore-protos.h: Remove the prototypes for
12664         mcore_arith_reg_operand, mcore_general_movsrc_operand,
12665         mcore_general_movdst_operand, mcore_reload_operand,
12666         mcore_arith_J_operand, mcore_arith_K_operand,
12667         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
12668         mcore_arith_K_S_operand, mcore_arith_imm_operand,
12669         mcore_arith_any_imm_operand, mcore_arith_O_operand,
12670         mcore_literal_K_operand, mcore_addsub_operand,
12671         mcore_compare_operand, mcore_load_multiple_operation,
12672         mcore_store_multiple_operation, mcore_call_address_operand.
12673         Add a prototype for const_ok_for_mcore.
12674         * config/mcore/mcore.c (mcore_call_address_operand,
12675         mcore_general_movsrc_operand, mcore_general_movdst_operand,
12676         mcore_arith_reg_operand, mcore_reload_operand,
12677         mcore_arith_J_operand, mcore_arith_K_operand,
12678         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
12679         mcore_arith_M_operand, mcore_arith_imm_operand,
12680         mcore_arith_any_imm_operand, mcore_arith_O_operand,
12681         mcore_literal_K_operand, mcore_addsub_operand,
12682         mcore_compare_operand, mcore_load_multiple_operation,
12683         mcore_store_multiple_operation): Move to predicates.md.
12684         (const_ok_for_mcore): Export.
12685         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
12686         * config/mcore/mcore.md: Include predicates.md.
12687         * config/mcore/predicates.md: New.
12689         * config/mcore/predicates.md: Fix a comment typo.
12691 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
12692             Adrian Straetling  <straetling@de.ibm.com>
12694         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
12695         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
12696         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
12697         attribute.
12698         ("imul"): Removed from "type" attribute.
12699         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
12700         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
12701         Changed type to imulsi.
12702         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
12704 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
12706         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
12707         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
12708         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
12709         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
12710         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
12711         (TARGET_SWITCHES, mcore_stack_increment_string)
12712         (TARGET_OPTIONS): Delete.
12713         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
12714         than *_BIT constants.
12715         (TARGET_8ALIGN): #undef old definition before redefining to 1.
12716         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
12717         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
12718         (mcore_override_options): Delete mcore_stack_increment code.
12719         Change use of M340_BIT to MASK_M340.
12720         * config/mcore/mcore.opt: New file.
12722 2005-04-04  Ian Lance Taylor  <ian@airs.com>
12724         * config/arm/arm.c (replace_symbols_in_block): Remove static
12725         function.
12727 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
12729         * config/fr30/fr30-protos.h: Remove the prototypes for
12730         stack_add_operand, add_immediate_operand,
12731         high_register_operand, low_register_operand, call_operand,
12732         di_operand, and nonimmediate_di_operand.
12733         * config/fr30/fr30.c (stack_add_operand,
12734         add_immediate_operand, high_register_operand,
12735         low_register_operand, call_operand, di_operand,
12736         nonimmediate_di_operand): Move to predicates.md.
12737         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
12738         * config/fr30/fr30.md: Include predicates.md.
12739         * config/fr30/predicates.md: New.
12741         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
12742         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
12743         mcore_call_address_operand.
12745         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
12746         general_movsrc_operand.
12748 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
12750         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
12751         after freeing.
12753 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
12755         PR target/14812
12756         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
12757         a negated value.
12759 2005-04-04  Richard Henderson  <rth@redhat.com>
12760             Jakub Jelinek  <jakub@redhat.com>
12762         PR rtl-optimization/16104
12763         * fold-const.c (fold_unary): Fix folding of vector conversions.
12765 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
12767         * config.gcc (xstormy16-*-elf): Set extra_options.
12768         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
12769         * config/stormy16/stormy16.opt: New file.
12771 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
12773         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
12774         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
12775         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
12776         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
12777         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
12778         (TARGET_UNIX_ASM): Delete.
12779         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
12780         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
12781         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
12782         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
12783         * config/pdp11/pdp11.opt: New file.
12785 2005-04-03  Roger Sayle  <roger@eyesopen.com>
12786             Alexandre Oliva  <aoliva@redhat.com>
12788         PR c++/19199
12789         * fold-const.c (non_lvalue): Split tests into...
12790         (maybe_lvalue_p): New function.
12791         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
12792         C++ front-end prior to lowering into gimple form.
12794 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12796         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
12797         BUILT_IN_STRNCASECMP): New.
12798         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
12799         and strndup.
12801 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
12803         PR target/14812
12804         * arm.md (addsi3_compare0_for_combiner): Delete.
12805         (addsi3_compare0_scratch_for_combiner): Delete.
12806         (cmpsi_neg_shiftsi): Delete.
12807         (compare_negsi_si): New pattern.
12808         (cmpsi_negshiftsi_si): New pattern.
12809         (negated_cbranchsi4): Restrict to equality_operator.
12811         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
12812         template.
12814 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
12816         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
12817         Fix comment typos.
12819         * doc/install.texi: Fix a typo.
12821 2005-04-03  Steven Bosscher  <stevenb@suse.de>
12823         PR middle-end/20648
12824         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
12825         a computed goto if the edge to the computed goto block has
12826         incoming abnormal edges.  Clarify how the function works.
12828 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
12830         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
12831         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
12832         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
12833         hash_scan_set, reg_set_between_after_reload_p,
12834         reg_used_between_after_reload_p, get_avail_load_store_reg,
12835         eliminate_partially_redundant_load): Likewise.
12836         * postreload.c (reload_cse_simplify_set,
12837         reload_combine_note_use): Likewise.
12838         * predict.c (predict_insn, expected_value_to_br_prob,
12839         propagate_freq, expensive_function_p): Likewise.
12840         * print-rtl.c (print_rtx): Likewise.
12841         * profile.c (instrument_edges, instrument_values,
12842         compute_branch_probabilities, branch_prob, union_groups,
12843         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
12844         * protoize.c (in_system_include_dir, file_could_be_converted,
12845         file_normally_convertible, gen_aux_info_file, seek_to_line,
12846         do_cleaning): Likewise.
12847         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
12848         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
12849         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
12851 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
12853         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
12854         * modulo-sched.c (undo_replace_buff_elem): New structure.
12855         (kernel_number_of_cycles, ps_unschedule_node,
12856         undo_generate_reg_moves,free_undo_replace_buff,
12857         undo_permute_partial_schedule,  loop_single_full_bb_p,
12858         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
12859         build_loops_structure, get_sched_window): New.
12860         (generate_reg_moves): Return undo_replace_buff_elem and other
12861         fixes.
12862         (generate_prolog_epilog): Remove old loop versioning.
12863         (sms_schedule): Use loop information and loop_version.
12864         (sms_schedule_by_order): Split part of it to get_sched_window.
12865         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
12866         cfg_layout_finalize and free_dominance_info before/after SMS.
12868 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
12870         * cfghooks.c (lv_flush_pending_stmts,
12871         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
12872         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
12873         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
12874         lv_add_condition_to_bb,
12875         lv_adjust_loop_header_phi, extract_cond_bb_edges,
12876         flush_pending_stmts): New in cfg_hooks structure.
12877         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
12878         extract_cond_bb_edges, lv_adjust_loop_header_phi,
12879         lv_add_condition_to_bb): New declarations.
12880         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
12881         bool.
12882         (loop_version): Declare.
12883         * cfgloopmanip.c (cfghooks.h): Include.
12884         (duplicate_loop_to_header_edge): Change return type to bool.
12885         (loop_version, lv_adjust_loop_entry_edge): Move here.
12886         * cfgrtl.c (cfgloop.h): Include.
12887         (rtl_verify_flow_info_1): Fix.
12888         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
12889         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
12890         initialization.
12891         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
12892         tree_lv_add_condition_to_bb): New.
12893         (tree_cfg_hooks): Add new hooks to initialization.
12894         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
12895         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
12897 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
12899         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
12900         xstormy16_below100_or_register,
12901         xstormy16_splittable_below100_or_register, and
12902         nonimmediate_nonstack_operand.
12904         * config/stormy16/stormy16-protos.h: Remove the prototypes for
12905         xstormy16_ineqsi_operator, equality_operator,
12906         inequality_operator, shift_operator,
12907         xstormy16_below100_operand, xstormy16_below100_or_register,
12908         xstormy16_splittable_below100_or_register,
12909         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
12910         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
12911         equality_operator, inequality_operator,
12912         xstormy16_below100_operand, xstormy16_below100_or_register,
12913         xstormy16_splittable_below100_or_register,
12914         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
12915         nonimmediate_nonstack_operand, shift_operator): Move to
12916         predicates.md.
12917         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
12918         * config/stormy16/stormy16.md: Include predicates.md.
12919         * config/stormy16/predicates.md: New.
12921 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
12923         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
12924         small_int, large_int, reg_or_0_operand, simple_memory_operand,
12925         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
12926         move_operand, power_of_2_operand): Move to predicates.md.
12927         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
12928         PREDICATE_CODE): Remove.
12929         * config/iq2000/iq2000.md: Include predicates.md.
12930         * config/iq2000/predicates.md: New.
12932 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
12934         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
12935         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
12936         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
12937         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
12938         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
12939         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
12940         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
12941         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
12942         (TARGET_M68HC11): Delete.
12943         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
12944         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
12945         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
12946         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
12947         (nb_soft_regs): Delete.
12948         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
12949         (m68hc11_override_options): Remove the code that caters for MASK_M6811
12950         and MASK_M6812 being set simultaneously.  Change the code that sets
12951         the default m68hc11_soft_reg_count to use integers instead of strings.
12952         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
12953         m68hc11_soft_reg_count (which now has an int type) as the number
12954         of soft registers.
12955         * config/m68hc11/m68hc11.opt: New file.
12957 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
12959         * config/fr30/fr30.h (PREDICATE_CODES): Remove
12960         fp_displacement_operand, sp_displacement_operand.
12962         * config/m68hc11/m68hc11-protos.h: Add a prototype for
12963         m68hcc_auto_inc_p.
12964         Remove the prototypes for tst_operand, cmp_operand,
12965         stack_register_operand, d_register_operand,
12966         hard_addr_reg_operand, splitable_operand,
12967         m68hc11_logical_operator, m68hc11_arith_operator,
12968         m68hc11_non_shift_operator, m68hc11_shift_operator,
12969         m68hc11_unary_operator, m68hc11_eq_compare_operator,
12970         non_push_operand, hard_reg_operand, and
12971         reg_or_some_mem_operand.
12972         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
12973         extern.
12974         (tst_operand, cmp_operand, non_push_operand,
12975         splitable_operand, reg_or_some_mem_operand,
12976         stack_register_operand, d_register_operand,
12977         hard_addr_reg_operand, hard_reg_operand,
12978         m68hc11_eq_compare_operator, m68hc11_logical_operator,
12979         m68hc11_arith_operator, m68hc11_non_shift_operator,
12980         m68hc11_shift_operator, m68hc11_unary_operator): Move to
12981         predicates.md.
12982         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
12983         * config/m68hc11/m68hc11.md: Include predicates.md.
12984         * config/m68hc11/predicates.md: New.
12986 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
12988         PR debug/19345
12989         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
12990         change checked in along with 2005-03-03's patch for debug/20253.
12991         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
12992         (remap_decl): Insert type decl in map earlier.
12994 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
12996         PR tree-optimization/20640
12997         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
12998         post-dominator if it has phi nodes.
12999         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
13000         before dead statements.
13002 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
13004         PR middle-end/20491
13005         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
13007 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
13009         PR rtl-optimization/20290
13010         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
13011         in every iteration if the entry point is the exit test.
13013 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
13015         * config/cris/cris.md (attribute "length"): Define.
13017 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
13019         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
13020         (word_offset_memref_operand): New.
13021         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
13022         (indexed_or_indirect_operand): Delete.
13023         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
13024         (indexed_or_indirect_operand): Delete.
13026         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
13028         PR 20650
13029         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
13030         a register.
13032         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
13033         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
13035 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
13037         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
13039 2005-04-01  Ian Lance Taylor  <ian@airs.com>
13041         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
13042         (rus, prus): Remove static variables.
13043         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
13044         (process_command): Permit report_times and use_pipes together.
13046 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
13048         * c-decl.c (validate_proto_after_old_defn): Look at
13049         TYPE_MAIN_VARIANT of argument types.
13051 2005-04-01  Paul Brook  <paul@codesourcery.com>
13053         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
13054         (arm_output_function_epilogue): Allow call_via_SP.
13055         (thumb_call_via_reg, arm_file_end): Ditto.
13056         * config/arm/arm.h (struct machine_function): Include space for SP.
13057         (thumb_call_via_label): Update declaration.
13059 2005-04-01  Ian Lance Taylor  <ian@airs.com>
13061         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
13062         doing a peephole optimization, once again put any notes in the
13063         proper position.
13065 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
13067         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
13069 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
13071         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
13072         (block_alloc, find_free_reg): Likewise.
13073         * loop-doloop.c (doloop_modify): Likewise.
13074         * loop-invariant.c (record_use): Likewise.
13075         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
13076         get_iv_value, canon_condition, eliminate_implied_condition,
13077         eliminate_implied_condition, simplify_using_initial_values,
13078         shorten_into_mode, canonicalize_iv_subregs,
13079         iv_number_of_iterations): Likewise.
13080         * loop-unroll.c (expand_var_during_unrolling): Likewise.
13081         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
13082         unswitch_loop): Likewise.
13083         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
13084         move_movables, replace_call_address, find_and_verify_loops,
13085         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
13086         record_giv, final_giv_value, general_induction_var,
13087         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
13088         loop_giv_dump): Likewise.
13090         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
13091         GCOV_CHECK_WRITING): Remove.
13092         (gcov_position, gcov_rewrite): Use gcc_assert.
13093         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
13094         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
13095         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
13096         gcc_assert.
13098 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
13100         * tree-inline.c: Fix a typo.
13102 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
13104         * configure.ac (enable-checking): Explicitly set all variables for
13105         collective switch values.  Alphabetize variables. Rename
13106         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
13107         synonym for 'no'.
13108         * doc/install.texi (enable-checking): Update documentation.
13109         * configure: Rebuilt.
13111 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
13113         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
13114         possible.
13116 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
13118         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
13119         Also reject cases where this pattern will cause load delay stalls
13120         unless optimizing for size and it will produce a shorter sequence.
13121         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
13122         variants to avoid pre-adjusting the base when possible.
13124 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
13126         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
13127         the frame and argument pointers.
13128         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
13129         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
13130         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
13131         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
13132         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
13133         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
13135 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
13137         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
13138         with entry for selectany attribute.
13139         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
13140         Declare.
13141         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
13142         (i386_pe_asm_named_section): Handle sections generated by
13143         selectany attribute.
13144         * doc/extend.texi (selectany): Document attribute.
13146 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
13147             Jan Hubicka  <jh@suse.cz>
13149         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
13150         to fix addresses involving EBP and ESP.
13151         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
13152         for SUBREGed registers.
13153         (legitimate_address_p): Accept SUBREGed registers.
13155 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
13157         PR c++/19406
13158         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
13159         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
13160         for FIELD_DECLs.
13162 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
13164         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
13166 2005-04-01  James E Wilson  <wilson@specifixinc.com>
13168         PR c++/20505
13169         * dwarf2out.c (rtl_for_decl_init): New function.
13170         (rtl_for_decl_location): Extracted from here.
13171         (tree_add_const_value_attribute): Call rtl_for_decl_init and
13172         add_const_value_attribute.  Delete initializer_constant_valid_p call.
13174 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
13176         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
13177         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
13178         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
13179         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
13180         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
13181         config/i386/i386.md, config/rs6000/predicates.md,
13182         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
13183         config/s390/s390.c, config/stormy16/stormy16.c,
13184         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
13185         typos.
13187 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
13189         PR c/17855
13190         * gimplify.c (gimplify_expr): Create a temporary for lvalue
13191         COND_EXPR and CALL_EXPR.
13193 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
13195         PR target/20632
13196         * genautomata.c (first_cycle_unit_presence): Check all alternative
13197         states for unit presence.
13199         * doc/md.texi: Remove remark about impossibility to query unit
13200         presence in non nondeterministic automaton state.
13202         * config/ia64/ia64.c (get_template): Change order of unit querying.
13204 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
13206         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
13207         obsolete comment.
13209 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
13211         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
13212         flag for edges outside any loops.
13214 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
13216         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
13218 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
13220         * tree-ssa-alias.c: Follow spelling conventions.
13221         * doc/tree-ssa.texi: Fix a typo.
13223 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
13225         * postreload-gcse.c: Include target.h.
13226         (gcse_after_reload_main): Return early if we cannot modify jumps.
13227         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
13229 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
13231         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
13232         expensive operations.
13234 2005-03-31  Ian Lance Taylor  <ian@airs.com>
13236         * collect2.c (lderrout): New variable.
13237         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
13238         if it is set, to stderr.
13239         (handler): Unlink lderrout if it is set.
13240         (dump_file): Add "to" parameter.  Change all callers.
13241         (main): Initialize lderrout.
13242         (collect_execute): Add errname parameter.  Change all callers.
13243         Rename redir parameter to outname.  Never pass
13244         PEX_STDERR_TO_STDOUT to pex_run.
13245         * collect2.h (collect_execute, dump_file): Update declarations.
13246         * tlink.c (tlink_execute): Add errname parameter.  Change all
13247         callers.
13248         (do_tlink): Check lderrout as well as ldout.
13250 2005-03-31  Caroline Tice  <ctice@apple.com>
13252         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
13253         (bb-reorder.o): Add errors.h to list of requirements.
13254         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
13255         profiledbootstrap flags.
13256         * bb-reorder.c (errors.h): Add new include.
13257         (struct bbro_basic_block_data_def): Add new field, in_trace.
13258         (add_unlikely_executed_notes):  Remove function.
13259         (mark_bb_for_unlikely_executed_section): Remove function.
13260         (insert_section_boundary_note): New function.
13261         (verify_hot_cold_block_grouping): New function.
13262         (push_to_next_round_p): Remove variables and tests that push all
13263         cold blocks to last round.
13264         (find_traces): Remove code that added extra round of trace finding
13265         when doing partitioning.
13266         (find_traces_1_round) :  Remove variable last_round;  add code to
13267         update new struct field, in_trace; correct trace_length where it was
13268         incorrect before (after call to copy_bb); change code that pushed all
13269         cold blocks to last round. Instead verify that all blocks going into
13270         a trace belong in the same partition.
13271         (connect_traces): Modify to connect the traces in two passes, if the
13272         function contains both hot and cold blocks.  The first pass connects
13273         all the traces for blocks in the partition that the first block in
13274         the function belongs to; the second pass connnects all the traces
13275         containing blocks that belong in the other partition.
13276         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
13277         code that automatically put the first block in a function into the
13278         hot partition if the function had any hot blocks.
13279         (fix_crossing_unconditional_branches): Check number of succ edges
13280         before attempting to get one.
13281         (fix_edges_for_rarely_executed_code):  Update comment describing
13282         function.
13283         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
13284         remove call to add_unlikely_executed_notes; add call to
13285         verify_hot_cold_block_grouping.
13286         (duplicate_computed_gotos): Don't change computed goto if it's a
13287         crossing edge.
13288         (partition_hot_cold_basic_blocks):  Update function comment.
13289         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
13290         condition.
13291         (try_forward_edges): Likewise.
13292         (merge_blocks_move_predecessor_nojumps): Likewise.
13293         (merge_blocks_move_successor_nojumps): Likewise.
13294         (merge_blocks_move): Likewise.
13295         (try_crossjump_bb): Likewise.
13296         * cfglayout.c (update_unlikely_executed_notes): Remove function.
13297         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
13298         notes to cold bb's; remove call to update_unlikely_executed_notes.
13299         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
13300         NOTE_INSN_SWITCH_TEXT_SECTIONS.
13301         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
13302         function declaration.
13303         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
13304         from consideration.
13305         (rtl_can_merge_blocks): Remove redundancy from condition.
13306         (try_redirect_by_replacing_jump): Likewise.
13307         (force_nonfallthru_and_redirect): Remove code for adding
13308         UNLIKELY_EXECUTED_CODE notes to cold bb's.
13309         (commit_one_edge_insertion): Likewise.
13310         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
13311         * dbxout.c (FORCE_TEXT): Replace function_section with
13312         current_function_section.
13313         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
13314         function, switch_text_section.
13315         (struct xcoff_debug): Likewise.
13316         (dbxout_function_end): Add code to put out label diffs for both
13317         hot and cold sections.
13318         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
13319         for new debug_hooks funciton, switch_text_section..
13320         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
13321         switch_text_section.
13322         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
13323         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
13324         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
13325         dw_fde_switched_sections.
13326         (output_call_frame_info):  Add test to see if function switches text
13327         sections in the middle; if so, use appropriate extra hot and cold
13328         section labels to compute size deltas for the hot and cold sections.
13329         (dwarf2out_begin_prologue): Add code to initialize new fields in
13330         dw_fde_struct.
13331         (dwarf2out_switch_text_section): New function (invoked through
13332         debug_hook); updates new fields in dw_fde_struct appropriately and
13333         increments separate_line_info_table_in_use.
13334         (dwarf2_debug_hooks): Initialize switch_text_section function to be
13335         dwarf2out_switch_text_section.
13336         (struct var_loc_node): Add new field, section_label.
13337         (output_aranges): Add code to check whether in hot or cold section and
13338         use the appropriate label in calculating deltas.
13339         (output_ranges): Likewise.
13340         (output_line_info): Add code to check which section we're in and
13341         use appropriate hot/cold label.
13342         (add_location_or_constant_value_attribute): Likewise.
13343         (gen_subprogam_die): Modify arange attributes to use correct labels.
13344         (dwarf2out_begin_block): Change call to function_section into call to
13345         current_function_section.
13346         (dwarf2out_end_block): Likewise.
13347         (dwarf2out_source_line): Likewise.
13348         (dwarf2out_var_location): Add code to check whether in hot or cold
13349         section and use the appropriate label.
13350         * except.c (output_function_exception_table): Change call to
13351         function_section into call to current_function_section.
13352         * final.c (profile_function): Likewise.
13353         (scan_ahead_for_unlikely_executed_note): Remove function.
13354         (final_scan_insn):  Remove calls to
13355         scan_ahead_for_unlikely_executed_note, and related code for switching
13356         to cold section, except for the single time
13357         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
13358         debug_hooks->switch_text_sections; replace appropriate calls to
13359         function_section with calls to current_function_section.
13360         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
13361         test_bb to condition.
13362         (find_if_case_2): Likewise.
13363         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
13364         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
13365         * opts.c (decode_options): Change warning about hot/cold partitioning
13366         with exceptionss to inform (so as not to cause bootstrap failures);
13367         remove warning about partitioning with DWARF debug info.
13368         * output.h (current_function_section): Add new function decl.
13369         (insert_section_boundary_note): Likewise.
13370         (enum in_section): Move this declaration here from varasm.c.
13371         (unlikely_section_label): Likewise.
13372         (unlikely_text_section_name): Likewise.
13373         (last_text_section_name): New global variable.
13374         (last_text_section): Likewise.
13375         (hot_section_label): Likewise.
13376         (hot_section_end_label): Likewise.
13377         (cold_section_end_label): Likewise.
13378         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
13379         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
13380         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
13381         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
13382         insn from consideration.
13383         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
13384         switch_text_section.
13385         * varasm.c (basic-block.h): Add new include.
13386         (unlikely_section_label_printed): Remove global variable.
13387         (unlikely_section_label): Make global variable not be static any more.
13388         (unlikely_text_section_name): Likewise.
13389         (hot_section_end_label): New global variable (not static)
13390         (first_function_block_is_cold): Likewise.
13391         (hot_section_label): Likewise.
13392         (cold_section_end_label): Likewise..
13393         (last_text_section): New global variable, not static.
13394         (last_text_section_name): New global variable, not static.
13395         (initialize_cold_section_name): New function.
13396         (enum in_section): Move declaration to output.h.
13397         (text_section): Update last_text_section.
13398         (unlikely_text_section): Replace code to determine cold section name
13399         with call to initialize_cold_section_name; Add code to update
13400         last_text_section; remove code for printing out label.
13401         (named_section_real): Add code to update last_text_section and
13402         last_text_section_name as appropriate.
13403         (function_section): Change test for 'unlikely' to depend on
13404         first_function_block_is_cold (moved old test to
13405         current_function_section).
13406         (current_function_section): New function.
13407         (assemble_start_function): Move code that frees
13408         unlikely_text_section_name; initialize hot_section_end_label;
13409         print hot and cold section labels at the start of the function;
13410         set first_function_block_is_cold, if appropriate; initialize l
13411         ast_text_section; add call to insert_section_boundary_note.
13412         (assemble_end_function):  Add code to write out hot and cold section
13413         end labels.
13414         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
13415         switch_text_section.
13416         * config/darwin.c (machopic_select_section): Replace incorrect
13417         function in base_funs; update reloc for cold sections if necessary.
13418         * config/darwin.h (SECTION_FUNCTION):  Add code to update
13419         last_text_section if appropriate.
13420         (text_unlikely_section): Remove.
13421         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
13422         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
13423         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
13424         partitioning for this architecture.
13426 2005-03-31  Olivier Hainque  <hainque@adacore.com>
13428         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
13429         defined and non-zero.
13431 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
13433         PR c++/18644
13434         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
13435         semantics.
13437 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
13439         PR target/20611
13440         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
13441         label operand.  Remove (use (unspec..)).  Don't emit a label on
13442         the offset word.
13443         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
13444         generate inline label for load_toc_v4_PIC_1b.
13445         (rs6000_emit_load_toc_table): Likewise.
13447 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
13449         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
13450         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
13452 2005-03-29  Devang Patel  <dpatel@apple.com>
13454         * tree-sra.c (decide_block_copy): Disable scalarization of
13455         sub-elements.
13457 2005-03-30  Stuart Hastings  <stuart@apple.com>
13458             Dale Johannesen  <dalej@apple.com>
13460         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
13461         * print-tree.c (print_node):  Add case STATEMENT_LIST.
13463 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
13465         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
13466         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
13467         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
13468         is given with "powerpc64*" or "all", or when --with-cpu chooses
13469         a 64-bit cpu.
13471 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
13473         PR debug/20268
13474         * dwarf2out.c (add_high_low_attributes): New function, extracted from
13475         gen_lexical_block_die.
13476         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
13478 2005-03-31  Jan Hubicka  <jh@suse.cz>
13480         2004-11-02  Jan Hubicka  <jh@suse.cz>
13482         * cgraph.c (cgraph_varpool_node_name): New function.
13483         (dump_cgraph_varpool_node): New function.
13484         (dump_varpool): New function.
13485         * cgraphunit.c (cgraph_optimize): Dump varpool.
13487         2004-10-16  Jan Hubicka  <jh@suse.cz>
13489         * cgraph.c (decide_is_variable_needed): New function.
13490         (cgraph_varpool_finalize_decl): Use it.
13491         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
13492         unit-at-a-time.
13493         * final.c (output_addr_const): Do not call mark_referenced.
13494         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
13495         always go via cgraph.
13496         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
13497         (check_global_declarations): Ifdef out code clearing DECL_RTL.
13498         * tree-optimize.c (execute_inline): Mark functions called.
13499         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
13501         2004-10-11  Jan Hubicka  <jh@suse.cz>
13503         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
13504         (cgraph_varpool_last_needed_node): New static variable.
13505         (enqueue_needed_varpool_node): Break out from ...; add items to the
13506         end of queue; update first pointers.
13507         (cgraph_varpool_mark_needed_node): ... here.
13508         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
13509         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
13510         * cgraph.h (cgraph_varpool_node): Add analyzed field.
13511         (cgraph_varpool_first_unanalyzed_node): Declare.
13512         * cgraphunit.c: Include output.h.
13513         (cgraph_varpool_analyze_pending_decls): New function.
13514         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
13515         for errors, analyze pending decls.
13516         (cgraph_finalize_compilation_unit): Only analyze decls.
13517         (cgraph_optimize): Assemble the decls after expanding.
13519 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
13521         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
13522         subvars get marked properly in tags for grouping.
13523         (add_pointed_to_var): Mark only actual pointed to
13524         variables/subvars in addresses needed.
13525         (create_overlap_variables_for): Clear call clobbered on original
13526         variable.
13527         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
13528         addresable vars with subvars into list.
13529         * tree-ssa.c (verify_ssa_name): Verify original is not used where
13530         subvar should be.
13532 2005-03-30  Richard Henderson  <rth@redhat.com>
13534         * cgraph.h (struct cgraph_node): Add alias.
13535         * varasm.c (assemble_alias): Set it.
13536         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
13537         avoid calling cgraph_expand_function.
13539 2005-03-30  Tom Tromey  <tromey@redhat.com>
13541         * tree.def (FILE_TYPE): Removed.
13542         * typeclass.h (enum type_class): Removed file_type_class.
13543         * dwarf2out.c (is_base_type): Updated.
13544         (gen_type_die): Likewise.
13545         * dbxout.c (dbxout_type): Updated.
13546         * builtins.c (type_to_class): Updated.
13547         * tree.c (type_contains_placeholder_1): Updated.
13548         * config/sparc/sparc.c (sparc_type_code): Updated.
13549         * config/ia64/ia64.c (hfa_element_mode): Updated.
13550         * expr.c (count_type_elements): Updated.
13551         * stor-layout.c (layout_type): Updated.
13552         * tree-inline.c (remap_type): Updated.
13553         * tree-pretty-print.c (dump_generic_node): Updated.
13555 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
13557         * builtins.c (expand_builtin_powi): Fix mode of
13558         2nd argument to match int.
13559         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
13560         2nd argument type to int.
13561         * libgcc2.c: Change prototype of __powi* functions to use
13562         int.
13564 2005-03-30  Dale Johannesen  <dalej@apple.com>
13566         PR middle-end/19225
13567         * calls.c (expand_call):  Flush pending deferrals before
13568         throwing call.
13570 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
13572         PR c/772
13573         PR c/17913
13574         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
13575         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
13576         c_label_context, label_context_stack): New.
13577         * c-decl.c (define_label): Check for jumps into statement
13578         expressions.  Add label to list of defined labels.
13579         (start_function): Push context on label_context_stack.
13580         (finish_function): Pop context from label_context_stack.
13581         * c-typeck.c (label_context_stack): New.
13582         (c_finish_goto_label): Check for jumps into statement
13583         expressions.  Add label to list of jumped to labels.
13584         (struct c_switch): Add blocked_stmt_expr.
13585         (c_start_case): Initialize it.
13586         (do_case): Check it.
13587         (c_finish_case): Verify !blocked_stmt_expr.
13588         (c_begin_stmt_expr):  Push context on label_context_stack.
13589         Increment blocked_stmt_expr.  Mark labels jumped to from outside
13590         as undefinable.
13591         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
13592         defined in the statement expression and no longer jumpable to.
13593         Mark labels jumped to from just outside the statement expression
13594         as again definable.  Pop context from label_context_stack.
13595         * doc/extend.texi (Statement Exprs): Update.
13597 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
13599         PR c/20368
13600         * c-decl.c (start_function): Check for old_decl being
13601         error_mark_node.
13603 2005-03-30  Ian Lance Taylor  <ian@airs.com>
13605         * final.c (final): Remove prescan parameter.  Change all callers.
13606         (final_scan_insn): Remove prescan parameter.  Change all callers.
13608 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
13610         * tree-vectorizer.c: Fix comment typos.
13612 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
13614         * tree-scalar-evolution.c (instantiate_parameters_1): Return
13615         as soon as a chrec_dont_know is detected.
13617 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
13619         Merge from csl-arm-branch.
13620         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
13622         * tlink.c (recompile_files): Do not assume that "rename" can
13623         overwrite an existing file.
13625 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
13627         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
13628         * gcc/configure: Regenerate.
13630 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
13632         * doc/install.texi: Update binutils requirement for powerpc*-linux.
13634         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
13636         * calls.c (struct arg_data): Update "partial" comment.
13637         (load_register_parameters): Update "nregs" comment.
13639 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
13641         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
13642         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
13643         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
13644         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
13645         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
13646         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
13647         than target_flags & 0.
13648         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
13649         (iq2000_arch, iq2000_parse_cpu): Delete.
13650         (TARGET_HANDLE_OPTION): Override default.
13651         (iq2000_handle_option): New function.
13652         (override_options): Remove -march= and -mcpu= handling.
13653         * config/iq2000/iq2000.opt: New file.
13655 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
13657         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
13658         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
13659         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
13660         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
13661         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
13662         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
13663         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
13664         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
13665         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
13666         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
13667         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
13668         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
13669         (c4x_rpts_cycles_string, c4x_cpu_version_string)
13670         (TARGET_OPTIONS): Delete.
13671         (c4x_rpts_cycles, c4x_cpu_version): Declare.
13672         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
13673         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
13674         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
13675         (c4x_cpu_version_string): Delete.
13676         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
13677         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
13678         equivalent -mcpu= option.
13679         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
13680         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
13681         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
13682         or clearing the appropriate MASK_* bit.
13683         (c4x_file_start): Use c4x_cpu_version.
13684         * config/c4x/c4x.opt: New file.
13686 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
13688         * doc/options.texi: Document the new MaskExists flag.
13689         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
13690         if the option has the MaskExists flag.
13692 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
13694         * opt-functions.awk (flag_set_p, test_flag): New functions.
13695         (switch_flags): Use them.
13696         * opth-gen.awk: Use flag_set_p to check for flags.
13697         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
13699 2005-03-30  Ian Lance Taylor  <ian@airs.com>
13701         * config.host (i[34567]86-*-mingw32*): Don't set
13702         host_can_use_collect2 to no.
13704 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
13706         PR target/20203
13707         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
13708         Remove convert_memory_address call duplicating that in memory_address.
13710 2005-03-29  Richard Henderson  <rth@redhat.com>
13712         PR c/20519
13713         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
13714         (build_compound_literal): Likewise.  Propagate decl type into the
13715         initializer.
13716         (finish_decl): Likewise.  Use new return value from complete_array_type
13717         for zero sized arrays.
13718         (complete_array_type): Move ...
13719         * c-common.c (complete_array_type): ... here.  Change first argument
13720         to pointer-to-type-node.  Consistently use sizetype for the index
13721         except for zero sized arrays.  Detect zero sized arrays for pedantic
13722         mode diagnostics.  Create a new type node instead of modifying the
13723         old node in place.
13724         * c-tree.h (complete_array_type): Move decl ...
13725         * c-common.h (complete_array_type): ... here.
13727 2005-03-29  Richard Henderson  <rth@redhat.com>
13729         PR tree-opt/19108
13730         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
13732 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
13734         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
13735         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
13736         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
13737         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
13739 2005-03-29  Eric Christopher  <echristo@redhat.com>
13741         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
13742         truthvalue conversion removal.
13744 2005-03-29  Ian Lance Taylor  <ian@airs.com>
13746         PR bootstrap/14316
13747         * collect2.c: Never include <vfork.h>.
13748         (VFORK_STRING, vfork): Don't define.
13749         (pid): Remove global variable.
13750         (handler): Call raise instead of kill (getpid(), ...).
13751         (collect_wait): Add pex parameter.  Change all callers.  Use
13752         pex_get_status rather than pwait.
13753         (do_wait): Add pex parameter.  Change all callers.
13754         (collect_execute): Return struct pex_obj * rather than void.  Use
13755         pex routines rather than pexecute.
13756         (fork_execute): Get pex_obj from collect_execute, and pass it to
13757         do_wait.
13758         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
13759         Only declare quit_handler if SIGQUIT is defined.
13760         (scan_libraries): Likewise.
13761         * collect2.h (collect_execute): Update declaration.
13762         (collect_wait): Update declaration.
13763         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
13764         pass it to collect_wait.
13766 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
13768         PR c/20672
13769         * c-parser.c (c_parser_compound_statement_nostart): Give error
13770         message for EOF instead of just setting parser->error.
13772 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
13774         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
13775         (slpeel_update_phi_nodes_for_guard1): New function.
13776         (slpeel_update_phi_nodes_for_guard2): New function.
13777         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
13778         of slpeel_update_phi_nodes_for_guard.
13779         (vectorize_loops): Remove call to loop_closed_rewrite.
13780         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
13781         assertion.
13783 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
13785         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
13786         (TARGET_LITTLE_ENDIAN): New macro.
13787         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
13788         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
13789         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
13790         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
13791         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
13792         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
13793         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
13794         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
13795         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
13796         (TARGET_OPTIONS): Delete.
13797         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
13798         (CACHE_FLUSH_TRAP): Turn into an integer.
13799         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
13800         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
13801         -mflush-trap is in use.
13802         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
13803         (m32r_cache_flush_trap_string): Delete.
13804         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
13805         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
13806         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
13807         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
13808         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
13809         -mmodel= and -msdata= handling from...
13810         (m32r_init): ...here.
13811         * config/m32r/m32r.opt: New file.
13813 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
13815         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
13816         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
13817         * tree-vect-analyze.c (vect_object_analysis): additional parm
13818         pass back a "struct ptr_info_def *" with the points-to info.
13819         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
13820         statement using info returned from vect_object_analysis.
13821         * tree-vect-transform.c (update_vuses_to_preheader): New function.
13822         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
13823         for virtual uses and defs when creating a replacement vector
13824         reference.  Call duplicate_ssa_name_ptr_info to define points-to
13825         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
13826         (vectorizable_store): copy_virtual_operands and update
13827         definition statements.
13828         (vectorizable_load): copy_virtual_operands.  Remove call to
13829         mark_call_clobbered_vars_to_rename for call to "const" builtin.
13830         * tree-vectorizer.c (vectorize_loops): Remove calls to
13831         rewrite_into_ssa and bitmap_clear (vars_to_rename).
13832         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
13833         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
13834         define macro STMT_VINFO_PTR_INFO for use in accessing.
13835         * tree.h add export of duplicate_ssa_name_ptr_info.
13836         * rs6000.c (altivec_init_builtins): Declare builtin function
13837         __builtin_altivec_mask_for_load to be "const".
13839 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
13841         PR middle-end/20622
13842         * cgraph.h (struct cgraph_varpool_node): Add alias field.
13843         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
13844         assemble_variable on aliases.
13845         * varasm.c (assemble_alias): Set node->alias.
13846         * toplev.c (wrapup_global_declarations): Don't call
13847         rest_of_decl_compilation on aliases again.
13849 2005-03-29  Paul Brook  <paul@codesourcery.com>
13851         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
13852         * config/arm/arm.c (arm_dbx_register_number): New function.
13853         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
13855 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
13857         PR middle-end/20263
13858         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
13859         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
13861 2005-03-29  Dale Johannesen <dalej@apple.com>
13863         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
13864         $(TREE_H) and $(COVERAGE_H).
13865         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
13866         * opts.c (common_handle_option): Enable tree-based value transforms.
13867         * toplev.c (process_options): Ditto.
13868         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
13869         refers to references to this type.
13870         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
13871         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
13872         for may_be_more, may_be_less.
13873         (rtl_gen_pow2_profiler): Adjust.
13874         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
13875         (rtl_gen_one_value_profiler): Adjust.
13876         (rtl_gen_const_delta_profiler): Adjust.
13877         * tree-profile.c (tree_gen_interval_profiler): Implement.
13878         (tree_gen_pow2_profiler): Ditto.
13879         (tree_gen_one_value_profiler): Ditto.
13880         (tree_profiling): New.
13881         (pass_tree_profile): Reference it.
13882         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
13883         tree.h, gcov-io.h.
13884         (insn_divmod_values_to_profile): Rename to
13885         rtl_divmod_values_to_profile. Adjust.
13886         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
13887         (insn_prefetch_values_to_profile): Adjust.
13888         (rtl_value_profile_transformations): Adjust.
13889         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
13890         (gen_mod_pow2): Rename to rtl_mod_pow2.
13891         (gen_mod_subtract): Rename to rtl_mod_subtract.
13892         (divmod_fixed_value_transform): Rename to
13893         rtl_divmod_fixed_value_transform.
13894         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
13895         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
13896         (rtl_find_values_to_profile): Adjust.
13897         (tree_value_profile_transformations): Implement.
13898         (tree_divmod_values_to_profile): New.
13899         (tree_values_to_profile): New.
13900         (tree_divmod_fixed_value): New.
13901         (tree_mod_pow2): New.
13902         (tree_mod_subtract): New.
13903         (tree_divmod_fixed_value_transform): New.
13904         (tree_mod_pow2_value_transform): New.
13905         (tree_mod_subtract_transform): New.
13906         (tree_find_values_to_profile): Implement.
13907         * profile.c (instrument_values):  Free histograms.
13908         (compute_value_histograms): Adjust. Implement tree version.
13910 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
13912         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
13913         * config/i386/i386.c (output_fix_trunc): Add new round_mode
13914         variable.  Output "fldcw" depending on round_mode.
13915         * config/i386/i386.md (UNSPEC_FIST): New.
13916         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
13917         New isns patterns to implement lrint and llrint built-ins as x87
13918         intrinsic function.
13919         (fistdi2, fist<mode>2 splitters): New splitters.
13920         (lrint<mode>2): New expanders.
13922 2005-03-28  Ian Lance Taylor  <ian@airs.com>
13924         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
13925         0 when calling final_scan_insn.
13927 2005-03-28  Jan Hubicka  <jh@suse.cz>
13929         PR middle-end/20635
13930         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
13931         as needed.
13933         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
13934         types where possible.
13936 2005-03-26  Per Bothner  <per@bothner.com>
13938         Make -f[no-]show-column also control non-cpp diagnostics.
13939         * c.opt (fshow-column): Move option from here ...
13940         * common.opt (fshow-column): ... to here.
13941         * diagnostic.c (diagnostic_build_prefix): Only print column number
13942         if flag_show_column.
13944 2005-03-27  Steven Bosscher  <stevenb@suse.de>
13946         * vax-protos.h (vax_output_int_move, vax_output_int_add,
13947         vax_output_conditional_branch): New prototypes.
13948         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
13949         extracted from vax.md mov and add patterns.
13950         (vax_output_conditional_branch): New function to output conditional
13951         branch instructions.
13952         * vax.md: Use mode macros for arithmetic and mov patterns.
13953         Use code macros for the jump patterns.
13955 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
13957         * Makefile.in (libbackend.o): Depend on version files;
13958         add custom generation command.
13960 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
13962         PR target/20636
13963         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
13964         sure that we have a REG before getting its REGNO.
13966 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
13968         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
13969         * builtins.def (BUILT_IN_STRNDUP): New.
13971 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
13973         PR tree-optimization/20470
13974         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
13975         ABS(x-y).
13977 2005-03-25  Mike Stump  <mrs@apple.com>
13979         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
13980         sized objects.
13982 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
13984         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
13985         Use our own structure definitions.
13987         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
13988         (fix_truncdfsi2): Allow registers or memory as destination.
13989         When TARGET_PPC_GFXOPT, generate simplified pattern.
13990         (fix_truncdfsi2_internal): Use define_insn_and_split.
13991         (fix_truncdfsi2_internal_gfxopt): New.
13992         (fctiwz): Don't confuse register allocation by giving it no choices.
13993         (stfiwx): New.
13994         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
13995         (EXTRA_MEMORY_CONSTRAINT): Likewise.
13996         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
13997         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
13999 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
14001         * dominance.c (free_dominance_info): Speed up by freeing et
14002         data structures without maintaining other nodes.
14003         * et-forest.c (et_free_tree_force): New.
14004         * et-forest.h: Add a prototype for et_free_tree_force.
14006         * tree.c (get_set_constructor_bits,
14007         get_set_constructor_bytes): Remove.
14008         * tree.h: Remove the corresponding prototypes.
14010 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
14012         PR target/15491
14013         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
14014         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
14015         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
14016         PRE_DEC, NEG and NOT.
14018 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
14020         * fold-const.c: Convert uses of fold (build (...)) to
14021         fold_buildN.
14023 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
14025         PR rtl-optimization/20249
14026         * cse.c (insert_regs): Do not record equivalence of registers in
14027         different modes.
14029 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
14031         * emit-rtl.c (reverse_comparison): Remove.
14032         * rtl.h: Remove the corresponding prototype.
14034 2005-03-24  James E Wilson  <wilson@specifixinc.com>
14036         * doc/install.texi (--enable-altivec): Delete docs.
14038 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
14040         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
14041         SFmode and DFmode before reload when
14042         flag_unsafe_math_optimizations not enabled.
14044 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
14046         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
14048         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
14049         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
14051 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
14053         * configure.ac (enable-checking): Add 'runtime' option.
14054         * doc/install.texi (enable-checking): Document 'runtime' checking.
14055         * tsystem.h (gcc_assert, gcc_unreachable): Define.
14056         * config.in: Regenerated.
14057         * configure: Regenerated.
14059 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
14061         * optabs.h (enum optab_index): Remove OTI_llrint.
14062         (llrint_optab): Remove macro.
14063         * optabs.c (init_optabs): Remove llrint_optab initialization.
14064         * genopinit.c (optabs): Remove llrint_optab implementation.
14065         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
14066         using lrint_optab.
14068 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
14070         PR rtl-optimization/20532
14071         * simplify-rtx.c (simplify_binary_operation_1): Protect from
14072         overflow when adding coefficients for PLUS or MINUS.
14073         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
14074         two as multiplier.
14076 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
14078         * langhooks.h (truthvalue_conversion): Remove.
14079         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
14080         LANG_HOOKS_TRUTHVALUE_CONVERSION.
14081         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
14082         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
14083         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
14085 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
14087         * params.def: Fix a typo.
14088         * config/mips/mips.c: Follow the spelling convensions.
14089         * doc/invoke.texi: Fix typos.
14091 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
14093         Fix PR tree-optimization/20601
14095         * tree-ssa-pre.c (insert_aux): Add missing condition to
14096         constification.
14098 2005-03-23  Ian Lance Taylor  <ian@airs.com>
14100         * final.c (final_scan_insn): Don't remove no-op instructions.
14101         * reload1.c (reload): Remove simple no-op instructions even when
14102         not optimizing.
14104 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
14106         PR tree-optimization/20501
14107         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
14108         reporting that peeling for alignment is applied moved to...
14109         * (vect_analyze_data_refs_alignment): Here.
14111 2005-03-23  Ian Lance Taylor  <ian@airs.com>
14113         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
14115 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
14117         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
14118         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
14120 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
14122         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
14123         imply that this is called once, independent of asms in code.
14124         Adjust to now being pased output and input lists.  Mention helper
14125         function decl_overlaps_hard_reg_set_p.
14126         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
14127         hook_tree_tree_identity and to take three trees, returning third.
14128         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
14129         prototype.
14130         * stmt.c: include hard-reg-set.h before tree.h.
14131         (decl_overlaps_hard_reg_set_p): New function, broken out from...
14132         (decl_conflicts_with_clobbers_p): Call
14133         decl_overlaps_hard_reg_set_p.
14134         (expand_asm_operands): Pass output and input lists in call to
14135         targetm.md_asm_clobbers.
14136         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
14137         hook_tree_tree_tree_tree_3rd_identity.
14138         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
14139         parameters.
14140         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
14141         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
14142         parameters, first two unused.
14143         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
14144         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
14145         in constraint letters and MOF is not mentioned as a asm-declared
14146         register in neither of the input and output lists.
14148 2005-03-23  DJ Delorie  <dj@redhat.com>
14150         * optabs.c (expand_binop): Make sure the first subword's result
14151         gets stored.
14153 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
14155         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
14156         Call c_common_truthvalue_conversion rather than
14157         lang_hooks.truthvalue_conversion.
14158         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
14159         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
14160         c-typeck.c.
14161         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
14162         c_common_truthvalue_conversion.
14163         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
14164         c_parser_conditional_expression, c_parser_binary_expression): Call
14165         c_objc_common_truthvalue_conversion.
14166         * c-typeck.c (build_unary_op): Call
14167         c_objc_common_truthvalue_conversion.
14168         (build_conditional_expr): Do not call
14169         lang_hooks.truthvalue_conversion.
14170         (build_binary_op): Call c_common_truthvalue_conversion.
14171         (c_objc_common_truthvalue_conversion): Moved from
14172         c-objc-common.c.  Call default_function_array_conversion instead
14173         of default_conversion.
14175 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
14177         * c-common.h (default_conversion): Remove.
14178         (perform_integral_promotions): Add.
14179         * c-tree.h (default_conversion): Add.
14180         * c-typeck.c (perform_integral_promotions): New, split out from
14181         default_conversion.
14182         * c-common.c (check_case_value): Use perform_integral_promotions,
14183         not default_conversion.
14184         (c_add_case_label): Don't continue processing case label after
14185         found to be pointer.
14187 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
14189         * gcc.c (do_spec_1): Do not add a -L path for a directory in
14190         the prefix list if we have already added a multilib directory
14191         based on that path.
14192         (main): Do not add MD_EXEC_PREFIX to the list of directories to
14193         search with -L.
14195 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
14197         * reload1.c (indirect_symref_ok, reload_obstack): Make them
14198         static.
14199         * reload.h: Remove the prototype for indirect_symref_ok.
14201         * reload1.c (indirect_symref_ok): Make it global.
14202         * reload.h: Add a prototype for indirect_symref_ok.
14204 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
14206         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
14207         ashlhi3 expander.
14209 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
14211         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
14213 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
14215         * c-opts.c (c_common_parse_file): Only start/end main source file
14216         if debug hooks says the writer wants it.
14217         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
14218         member.
14219         (xcoff_debug_hooks): Ditto.
14220         * debug.c (do_nothing_hooks): Ditto.
14221         * debug.h (gcc_debug_hooks): Ditto.
14222         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
14223         * sdbout.c (sdb_debug_hooks): Ditto.
14224         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
14226 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
14228         * doc/extend.texi: Deprecate C++ min/max operators.
14230 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
14232         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
14233         artificial original candidates.
14235 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
14236             Jan Hubicka  <jh@suse.cz>
14237             Steven Bosscher <stevenb@suse.de>
14239         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
14240         call cost based on argument sizes.
14241         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
14242         inlining.
14243         * params.def: (max-inline-inssn-single): Set to 450.
14244         (max-inline-insns-auto): Set to 90.
14245         (max-inline-insns-recursive): Set to 450
14246         (max-inline-insns-recursive-auto): Set to 450.
14247         (large-function-insns): Set to 2700.
14248         (inline-call-cost): New parameter.
14249         * tree-inline.c (estimate_move_cost): New function.
14250         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
14251         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
14252         based on arguments.
14253         * tree-inline.h (estimate_move_cost): Declare.
14254         * invoke.texi: (max-inline-inssn-single): Change default to 450.
14255         (max-inline-insns-auto): Change default to 90.
14256         (max-inline-insns-recursive): Change default to 450
14257         (max-inline-insns-recursive-auto): Change default to 450.
14258         (large-function-insns): Change default to 2700.
14259         (inline-call-cost): Document new parameter.
14261 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
14263         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
14264         (TARGET_DEFAULT): Delete.
14265         * config/i860/i860.opt: New file.
14267 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
14269         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
14270         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
14271         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
14272         (frv_sched_lookahead): Delete.
14273         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
14274         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
14275         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
14276         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
14277         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
14278         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
14279         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
14280         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
14281         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
14282         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
14283         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
14284         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
14285         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
14286         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
14287         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
14288         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
14289         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
14290         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
14291         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
14292         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
14293         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
14294         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
14295         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
14296         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
14297         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
14298         (frv_sched_lookahead): Delete.
14299         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
14300         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
14301         (frv_handle_option): New function.  Move -mcpu= handling from...
14302         (frv_override_options): ...here.  Remove handling of other
14303         TARGET_OPTIONS.
14304         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
14305         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
14306         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
14307         and TARGET_NO_MULTI_CE.
14308         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
14309         !TARGET_VLIW_BRANCH.
14310         * config/frv/frv.opt: New file.
14312 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
14314         * fold-const.c (fold_ternary): Take decomposed arguments of
14315         CALL_EXPR.
14316         (fold): Update a call to fold_ternary.
14318         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
14319         * tree.h: Add corresponding prototypes.
14321 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
14323         PR target/20561
14324         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
14325         between jump table and its label.
14326         * final.c (shorten_branches): Handle notes in between ADDR_VEC
14327         resp. ADDR_DIFF_VEC and the label preceeding it.
14328         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
14329         is emitted in the right section.
14331 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
14333         * fold-const.c (fold_unary, fold_binary): Update comments
14334         about arguments.
14336 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
14338         PR rtl-optimization/20527
14339         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
14340         REG_INC note, test that the register also isn't mentioned in PRED
14341         or SUCC.
14343 2005-03-22  Ben Elliston  <bje@au.ibm.com>
14345         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
14346         and definition.
14348 2005-03-21  Mike Stump  <mrs@apple.com>
14350         * varasm.c (default_assemble_visibility): Remove extra ().
14352 2005-03-21  Roger Sayle  <roger@eyesopen.com>
14354         PR middle-end/20557
14355         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
14356         to determine whether a block can be duplicated, rather than test
14357         whether the block contains noncopyable insns ourselves.
14359 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
14361         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
14362         predicates.
14364 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
14366         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
14368 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
14370         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
14371         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
14372         * config/fr30/fr30.opt: New file.
14374 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
14376         Fix PR tree-optimization/20542
14378         * tree-flow-inline.h (overlap_subvar): Move to here.
14379         * tree-ssa-operands.c: From here.
14380         * tree-flow.h (overlap_subvar): Declare.
14381         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
14382         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
14383         for variables with subvars.
14385 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
14387         PR middle-end/20177
14388         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
14389         * modulo-sched.c (const_iteration_count): Return on NULL
14390         pre-header.
14391         (print_node_sched_params): Return on NULL dump_file.
14392         (generate_reg_moves): Handle reg-anti dependencies and disregard
14393         closing branch when generating register moves.
14394         (sms_schedule): Mark the SMSed block dirty.
14395         * passes.c (rest_of_handle_sms): Call update_life_info for all
14396         basic-blocks.
14397         * testsuite/gcc.dg/20050321-1.c: New test.
14399 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
14401         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
14402         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
14403         movqi_internal): Likewise.
14405 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
14407         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
14408         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
14409         xtensa_b4const): Delete prototypes.
14410         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
14411         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
14412         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
14413         xtensa_extra_constraint): New prototypes.
14414         (add_operand, arith_operand, nonimmed_operand, mem_operand,
14415         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
14416         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
14417         move_operand, const_float_1_operand, fpmem_offset_operand,
14418         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
14419         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
14420         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
14421         argument type to HOST_WIDE_INT.
14422         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
14423         xtensa_mask_immediate): Likewise.
14424         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
14425         Likewise.  Also make these functions static.
14426         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
14427         (xtensa_const_ok_for_letter_p): New.
14428         (add_operand, arith_operand, nonimmed_operand, mem_operand,
14429         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
14430         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
14431         move_operand, const_float_1_operand, fpmem_offset_operand,
14432         branch_operator, ubranch_operator, boolean_operator): Move to
14433         predicates.md.
14434         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
14435         (xtensa_mem_offset): Change return type to bool.
14436         (xtensa_extra_constraint): New.
14437         (gen_int_relational): Update type of const_range_p function pointer.
14438         Use xtensa_b4const_or_zero.
14439         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
14440         xtensa_const_ok_for_letter_p.  Update comments.
14441         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
14442         (PREDICATE_CODES): Delete.
14443         * config/xtensa/xtensa.md: Include predicates.md.
14444         * config/xtensa/predicates.md: New file.
14446 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
14448         * config/v850/v850-protos.h: Remove the prototypes for
14449         reg_or_int9_operand, reg_or_const_operand,
14450         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
14451         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
14452         movsi_source_operand, power_of_two_operand,
14453         not_power_of_two_operand, special_symbolref_operand,
14454         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
14455         register_is_ok_for_epilogue.
14456         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
14457         reg_or_int9_operand, reg_or_const_operand,
14458         call_address_operand, special_symbolref_operand,
14459         movsi_source_operand, power_of_two_operand,
14460         not_power_of_two_operand, register_is_ok_for_epilogue,
14461         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
14462         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
14463         predicates.md.
14464         * config/v850/v850.h (PREDICATE_CODES): Remove.
14465         * config/v850/v850.md: Include predicates.md.
14466         * config/v850/predicates.md: New.
14468 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
14470         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
14471         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
14472         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
14473         (itoolsdir, itoolsdatadir): Move definition above new first use.
14474         (install-itoolsdirs): New rule.
14475         (install-mkheaders): Depend on install-itoolsdirs, not
14476         install-include-dir.
14478 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
14480         * tree-into-ssa.c: Remove obsolete comments.
14482 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
14484         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
14485         unrolling if -fpeel-loops is specified, too.
14486         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
14487         Remove superfluous check for flag_unroll_loops.
14489 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
14491         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
14492         (lrint_optab, llrint_optab): Define corresponding macros.
14493         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
14494         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
14495         pattern and llrint_optab using llrintdi2 patterns.
14496         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
14497         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
14498         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
14499         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
14500         flag_unsafe_math_optimizations is set.
14502 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
14504         * combine.c (combine_simplify_rtx, simplify_if_then_else,
14505         simplify_logical, if_then_else_cond, known_cond,
14506         simplify_comparison): Adjust calls to reverse_comparison.
14507         Don't use combine_reversed_comparison_code).
14508         (combine_reversed_comparison_code): Remove.
14509         (reversed_comparison): Using reversed_comparison_code, move it...
14510         * jump.c (reversed_comparison): ... here.
14511         * rtl.h (reversed_comparison): Add prototype.
14513 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
14515         * builtins.c (fold_builtin): Take decomposed arguments of
14516         CALL_EXPR.
14517         * fold-const.c (fold_ternary): Update a call to fold_builtin.
14518         * gimplify.c (gimplify_call_expr): Likewise.
14519         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
14520         * tree.h: Update the prototype of fold_builtin.
14522 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
14524         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
14525         * rtlhooks.c (gen_lowpart_no_emit_general): New.
14526         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
14527         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
14528         * simplify-rtx.c (simplify_binary_operation_1): Use it.
14530 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
14532         * builtins.c (fold_builtin_1): Take decomposed arguments of
14533         CALL_EXPR.
14534         (fold_builtin): Update a call to fold_builtin_1.
14536 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
14538         PR other/20564
14539         * gcov.c (output_lines): Only output function block summary when
14540         outputting branch information.
14541         * doc/gcov.texi: Document format of preamble and additional block
14542         information lines.
14544 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
14546         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
14547         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
14548         the defaults false if BITS_PER_UNIT != 8.
14549         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
14550         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
14551         than BITS_PER_UNIT != 8.
14552         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
14553         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
14554         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
14555         #undefs.
14556         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
14557         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
14559 2005-03-20  Roger Sayle  <roger@eyesopen.com>
14561         PR middle-end/20539
14562         * fold-const.c (fold_binary): Fix type mismatch between
14563         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
14564         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
14565         for non-truth-valued expressions.
14567         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
14568         and FUNCTION_DECL in the main switch.
14569         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
14570         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
14571         we also need to convert their operands to match.
14572         <TRUTH_NOT_EXPR>: Likewise.
14574 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
14576         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
14577         diagnostic without checking whether an lvalue.
14578         * c-common.h (lvalue_p): Remove.
14579         (enum lvalue_use): Update comment.
14580         (lvalue_or_else): Replace by lvalue_error.
14581         * c-typeck.c (lvalue_p): Make static.
14582         (lvalue_or_else): New.  Call lvalue_error.
14584 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
14586         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
14587         (function_arg_advance): Use rs6000_parm_start.
14588         (function_arg, rs6000_arg_partial_bytes): Likewise.
14590 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
14592         * c-common.c (check_case_value): Adjust comment about stripping
14593         NOPs.
14594         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
14595         * c-typeck.c (default_conversion, convert_arguments,
14596         build_modify_expr, convert_for_assignment, store_init_value,
14597         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
14598         manually.  Remove inaccurate comments.
14600 2005-03-20  Roger Sayle  <roger@eyesopen.com>
14601             Joseph S. Myers  <joseph@codesourcery.com>
14603         * varasm.c (do_assemble_alias): Restore comment describing function.
14604         Annotate the target parameter as potentially unused.
14606 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
14608         PR target/18551
14609         * config/avr/avr.c (avr_output_function_prologue): Do not use
14610         current_function_name() in a label, use a local label instead.
14612 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
14614         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
14615         flag_finite_math_only, not flag_unsafe_math_optimizations.
14617 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
14619         * builtins.c (fold_builtin_1): Update a call to
14620         targetm.fold_builtin.
14621         * hooks.c (hook_tree_tree_bool_null): Rename to
14622         hook_tree_tree_tree_bool_null.  Take one more argument of type
14623         tree.
14624         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
14625         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
14626         hook_tree_tree_tree_bool_null.
14627         * target.h (gcc_target): Update the prototype of fold_builtin.
14628         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
14629         arguments of CALL_EXPR.
14630         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
14631         new prototype.
14633 2005-03-20  Jan Hubicka  <jh@suse.cz>
14635         * cgraph.h (cgraph_node): Add prev_clone pointer.
14636         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
14637         (cgraph_clone_node): Produce doubly linked chain.
14639 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
14641         * c-common.c (handle_aligned_attribute, check_function_sentinel,
14642         get_nonnull_operand, handle_sentinel_attribute,
14643         check_function_arguments_recurse): Do not strip NOPS from
14644         INTEGER_CSTs.
14645         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
14646         Likewise.
14647         * c-format.c (get_constant): Likewise.
14648         * c-parser.c (c_parser_postfix_expression): Likewise.
14649         * c-typeck.c (set_init_index): Likewise.
14650         (convert_arguments): Don't check for NOP_EXPR containing integer
14651         constant.
14653 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
14655         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
14656         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
14657         Take decomposed arguments of CALL_EXPR.
14658         (fold_builtin_1): Update calls to the functions mentioned
14659         above.
14661 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
14663         * c-decl.c (check_bitfield_type_and_width): Require bit-field
14664         width to have integer type.
14665         (build_enumerator): Require enumerator value to have integer type.
14667 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
14669         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
14670         to __builtin_inff.
14672 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
14674         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
14675         std=iso9899:199x): Correct descriptions.
14677 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
14679         * config.gcc: Consistently use solaris2.1[0-9]* instead of
14680         solaris2.1[0-9].
14682 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
14684         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
14685         of CALL_EXPR.
14686         (expand_builtin_memcpy, fold_builtin_1): Update calls to
14687         fold_builtin_memcpy.
14689         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
14690         arguments of CALL_EXPR.
14691         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
14692         fold_builtin_found, fold_builtin_1): Update calls to
14693         fold_trunc_transparent_mathfn.
14695 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14697         PR middle-end/20493
14698         * fold-const.c (fold_widened_comparison): Don't optimize casts of
14699         function pointers on targets that require function pointer
14700         canonicalization.
14701         (fold_sign_changed_comparison): Likewise.
14703 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
14705         * combine.c (try_combine): When changing the mode of a hard reg, make
14706         sure that doing so is valid.
14708 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
14710         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
14711         (TARGET_HANDLE_OPTION): Override default.
14712         (avr_handle_option): New function.
14713         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
14714         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
14715         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
14716         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
14717         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
14718         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
14719         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
14720         (TARGET_OPTIONS): Delete.
14721         * config/avr/avr.opt: New file.
14723 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
14725         * config/m32r/m32r-protos.h: Remove the prototypes for
14726         call_address_operand, symbolic_operand, seth_add3_operand,
14727         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
14728         reg_or_uint16_operand, reg_or_cmp_int16_operand,
14729         two_insn_const_operand, move_src_operand,
14730         move_double_src_operand, move_dest_operand,
14731         eqne_comparison_operator, signed_comparison_operator,
14732         large_insn_p, conditional_move_operand, carry_compare_operand,
14733         m32r_block_immediate_operand, extend_operand,
14734         reg_or_eq_int16_operand, int8_operand, and
14735         reg_or_zero_operand.
14736         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
14737         seth_add3_operand, int8_operand, cmp_int16_operand,
14738         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
14739         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
14740         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
14741         move_double_src_operand, move_dest_operand,
14742         eqne_comparison_operator, signed_comparison_operator,
14743         extend_operand, small_insn_p, large_insn_p,
14744         conditional_move_operand, carry_compare_operand,
14745         m32r_block_immediate_operand): Move to predicates.md.
14746         (MAX_MOVE_BYTES): Move to m32r.h.
14747         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
14748         * config/m32r/m32r.md: Include predicates.md.
14749         * config/m32r/predicates.md: New.
14751 2005-03-18  James E Wilson  <wilson@specifixinc.com>
14753         PR c++/19769
14754         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
14755         origin.
14757 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
14759         * config/mn10300/mn10300-protos.h: Remove the prototypes for
14760         call_address_operand, const_8bit_operand.
14761         * config/mn10300/mn10300.c (call_address_operand,
14762         const_8bit_operand, const_1f_operand): Move to predicates.md.
14763         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
14764         * config/mn10300/mn10300.md: Include predicates.md.
14765         * config/mn10300/predicates.md: New.
14767 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
14769         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
14770         declarations in diagnostics and %E for identifiers, not %s.
14772 2005-03-18  Jan Hubicka  <jh@suse.cz>
14773             Dale Johannesen  <dalej@apple.com>
14775         * basic-block.h (scale_bbs_frequencies_int,
14776         scale_bbs_frequencies_gcov_type): Declare.
14777         * cfg.c (RDIV): New macro.
14778         (update_bb_frequency_for_threading): Fix.
14779         * basic-block.h (scale_bbs_frequencies_int,
14780         scale_bbs_frequencies_gcov_type): New.
14781         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
14782         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
14783         scale_bbs_frequencies_int.
14784         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
14786 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
14788         * config/m32r/m32r-protos.h: Remove the prototypes for
14789         call_address_operand, symbolic_operand, seth_add3_operand,
14790         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
14791         reg_or_uint16_operand, reg_or_cmp_int16_operand,
14792         two_insn_const_operand, move_src_operand,
14793         move_double_src_operand, move_dest_operand,
14794         eqne_comparison_operator, signed_comparison_operator,
14795         large_insn_p, conditional_move_operand, carry_compare_operand,
14796         m32r_block_immediate_operand, extend_operand,
14797         reg_or_eq_int16_operand, int8_operand, and
14798         reg_or_zero_operand.
14799         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
14800         seth_add3_operand, int8_operand, cmp_int16_operand,
14801         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
14802         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
14803         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
14804         move_double_src_operand, move_dest_operand,
14805         eqne_comparison_operator, signed_comparison_operator,
14806         extend_operand, small_insn_p, large_insn_p,
14807         conditional_move_operand, carry_compare_operand,
14808         m32r_block_immediate_operand): Move to predicates.md.
14809         (MAX_MOVE_BYTES): Move to m32r.h.
14810         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
14811         * config/m32r/m32r.md: Include predicates.md.
14812         * config/m32r/predicates.md: New.
14814         * config/pa/pa-protos.h: Add prototypes for magic_milli and
14815         shadd_constant_p.
14816         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
14817         symbolic_operand, symbolic_memory_operand,
14818         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
14819         indexed_memory_operand, move_dest_operand, move_src_operand,
14820         prefetch_cc_operand, prefetch_nocc_operand,
14821         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
14822         arith_operand, arith11_operand, pre_cint_operand,
14823         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
14824         ireg_operand, int5_operand, uint5_operand, int11_operand,
14825         uint32_operand, arith5_operand, and_operand, ior_operand,
14826         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
14827         pc_or_label_operand, div_operand, plus_xor_ior_operator,
14828         shadd_operand, movb_comparison_operator,
14829         cmpib_comparison_operator): Move to predicates.md.
14830         (magic_milli, shadd_constant_p): Make it extern.
14831         * config/pa/pa.h (PREDICATE_CODES): Remove.
14832         * config/pa/pa.md: Include predicates.md.
14833         * config/pa/predicates.md: New.
14835         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
14836         predicate.
14838 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
14840         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
14841         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
14842         config/alpha/freebsd.h, config/alpha/linux.h,
14843         config/alpha/netbsd.h, config/alpha/osf5.h,
14844         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
14845         config/h8300/h8300-protos.h, config/h8300/h8300.c,
14846         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
14847         doc/cppopts.texi: Update copyright.
14849 2005-03-18  Jan Hubicka  <jh@suse.cz>
14851         PR middle-end/20225
14852         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
14853         too late.
14854         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
14855         called too late.
14857 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
14859         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
14860         VEC_safe_push.
14862 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
14864         * combine.c (gen_binary): Remove.
14865         (known_cond, simplify_shift_const, find_split_point,
14866         combine_simplify_rtx, simplify_if_then_else, simplify_set,
14867         simplify_logical, expand_field_assignment, extract_left_shift,
14868         force_to_mode, if_then_else_cond, apply_distributive_law,
14869         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
14870         simplify_comparison, reversed_comparison): Replace with
14871         simplify_gen_binary, simplify_gen_relational or
14872         distribute_and_simplify_rtx.
14873         (distribute_and_simplify_rtx): New function.
14875 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
14876             Paolo Bonzini  <gcc.gnu.org>
14878         * calls.c (setjmp_call_p, special_function_p): Update comments
14879         at the head of the functions.
14881 2005-03-18  Jan Hubicka  <jh@suse.cz>
14883         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
14885         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
14886         function body should be released; do not proactively release function
14887         bodies in non-unit-at-a-time mode.
14889 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
14891         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
14892         mno-fp-ret-in-387 multilib variants.
14894 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
14896         * common.opt (m): Remove.
14897         * opts.c (handle_option): Pass 'm' options to set_target_switch if
14898         table lookup fails.
14899         (common_handle_option): Remove OPT_m case.
14901 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
14903         * builtins.c (fold_builtin_bitop): Take decomposed arguments
14904         of CALL_EXPR.
14905         (fold_builtin_1): Update a call to fold_builtin_bitop.
14907         * builtins.c (fold_builtin_signbit): Take decomposed arguments
14908         of CALL_EXPR.
14909         (fold_builtin_1): Update a call to fold_builtin_signbit.
14911 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
14913         PR tree-optimization/20474
14914         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
14915         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
14917 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
14919         * config/h8300/h8300-protos.h: Remove prototypes for
14920         general_operand_src, general_operand_dst, single_one_operand,
14921         single_zero_operand, call_insn_operand,
14922         two_insn_adds_subs_operand, small_call_insn_operand,
14923         jump_address_operand, bit_operand, bit_memory_operand,
14924         stack_pointer_operand, const_int_gt_2_operand,
14925         const_int_ge_8_operand, const_int_qi_operand,
14926         const_int_hi_operand, incdec_operand, bit_operator,
14927         nshift_operator, eqne_operator, gtle_operator,
14928         gtuleu_operator, iorxor_operator.
14929         Add prototypes for h8sx_shift_type h8sx_classify_shift and
14930         h8300_ldm_stm_parallel.
14931         * config/h8300/h8300.c (h8sx_shift_type,): Move to
14932         h8300-protos.h.
14933         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
14934         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
14935         (h8300_ldm_stm_parallel): Make it extern.
14936         (h8300_ldm_parallel, h8300_stm_parallel,
14937         h8300_return_parallel, general_operand_src,
14938         general_operand_dst, h8300_dst_operand, h8300_src_operand,
14939         nibble_operand, reg_or_nibble_operand, single_one_operand,
14940         single_zero_operand, call_insn_operand,
14941         two_insn_adds_subs_operand, small_call_insn_operand,
14942         jump_address_operand, bit_operand, bit_memory_operand,
14943         stack_pointer_operand, const_int_gt_2_operand,
14944         const_int_ge_8_operand, const_int_qi_operand,
14945         const_int_hi_operand, incdec_operand, eqne_operator,
14946         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
14947         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
14948         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
14949         nshift_operator): Move to predicates.md.
14950         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
14951         * config/h8300/h8300.md: Include predicates.md.
14952         * config/h8300/predicates.md: New.
14954 2005-03-17  Richard Henderson  <rth@redhat.com>
14956         * config.gcc (ia64*-*-hpux*): Add extra_options.
14957         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
14958         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
14959         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
14960         (ia64_tls_size_string, ia64_tune_string): Remove.
14961         (ia64_tune): Init to PROCESSOR_ITANIUM2.
14962         (TARGET_DEFAULT_TARGET_FLAGS): New.
14963         (TARGET_HANDLE_OPTION): New.
14964         (ia64_override_options): Move options parsing ...
14965         (ia64_handle_option): ... here.  New.
14966         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
14967         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
14968         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
14969         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
14970         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
14971         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
14972         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
14973         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
14974         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
14975         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
14976         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
14977         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
14978         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
14979         TARGET_EARLY_STOP_BITS): Remove.
14980         (TARGET_ILP32): Default false.
14981         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
14982         (enum ia64_inline_type): New.
14983         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
14984         * config/ia64/ia64.md: Update for new definitions of
14985         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
14986         * config/ia64/ia64.opt: New file.
14987         * config/ia64/ilp32.opt: New file.
14989 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
14991         PR target/18380
14992         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
14994 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
14996         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
14997         instead of MASK_H8300S.
14998         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
14999         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
15000         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
15001         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
15002         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
15003         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
15004         TARGET_SWITCHES): Remove.
15005         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
15006         TARGET_H8300SX.
15007         * config/h8300/h8300.opt: New.
15009         * config/alpha/alpha.opt, config/arc/arc.opt,
15010         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
15011         notices.
15013 2005-03-17  Ian Lance Taylor  <ian@airs.com>
15015         * gmon.c: Remove.
15017 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
15019         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
15020         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
15021         (TARGET_HANDLE_OPTION): Override default.
15022         (arc_handle_option): New function.
15023         (arc_init): Remove code to set arch_cpu_string.
15024         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
15025         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
15026         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
15027         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
15028         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
15029         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
15030         (arc_rodata_string, TARGET_OPTIONS): Delete.
15031         * config/arc/arc.opt: New file.
15033 2005-03-17  Richard Henderson  <rth@redhat.com>
15035         * doc/extend.texi (Weak Pragmas): New section.
15036         (attribute alias): Clarify that target must be in the same
15037         translation unit.
15039 2005-03-17  Richard Henderson  <rth@redhat.com>
15041         * config/alpha/alpha.opt: New file.
15042         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
15043         of alpha_cpu.
15044         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
15045         alpha_fprm_string, alpha_fptm_string): Make static.
15046         (alpha_tls_size_string): Remove.
15047         (alpha_handle_option): New.
15048         (override_options): Update for alpha_cpu/alpha_tune split.
15049         (alpha_file_start): Likewise.
15050         (TARGET_DEFAULT_TARGET_FLAGS): New.
15051         (TARGET_HANDLE_OPTION): New.
15052         * config/alpha/alpha.h (alpha_tune): Declare.
15053         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
15054         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
15055         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
15056         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
15057         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
15058         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
15059         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
15060         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
15061         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
15062         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
15063         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
15064         (TARGET_DEFAULT): Remove MASK_FP.
15065         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
15066         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
15067         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
15068         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
15069         alpha_tls_size_string): Remove.
15070         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
15071         (attribute tune): Rename from attribute cpu.
15072         * config/alpha/ev4.md: Update to match.
15073         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
15074         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
15075         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
15076         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
15077         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
15078         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
15080 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
15082         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
15083         and return without creating new state if before_nops_num is nonzero.
15084         * config/ia64/ia64.md (first_insn): New attribute.
15085         (alloc): Set it to yes.
15087 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
15089         * tree-vectorizer.c (new_vec_stmt_info): Initialize
15090         STMT_VINFO_SUBVARS to NULL.
15091         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
15093 2005-03-16 Dale Johannesen  <dalej@apple.com>
15095         * rtlanal.c (find_first_parameter_load):  Rewrite to
15096         return actual first param load or the call if none,
15097         instead of first in block, when not all loads exist.
15099 2005-03-16  Roger Sayle  <roger@eyesopen.com>
15101         * optabs.c (expand_copysign_absneg): Make static.
15102         * optabs.h (expand_copysign_absneg): Delete prototype.
15103         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
15105 2005-03-16  Richard Henderson  <rth@redhat.com>
15107         PR middle-end/15700
15108         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
15109         (alias_pairs): Rename from output_defs.
15110         (find_decl_and_mark_needed): Split out from assemble_alias.
15111         (do_assemble_alias): New.
15112         (assemble_output_def): Remove.
15113         (finish_aliases_1, finish_aliases_2): New.
15114         (process_pending_assemble_output_defs): Remove.
15115         (assemble_alias): Defer aliases for which we don't yet have a
15116         non-external decl for the target symbol.
15117         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
15118         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
15119         * toplev.c (compile_file): Use finish_aliases_2 instead of
15120         process_pending_assemble_output_defs.
15121         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
15122         (process_pending_assemble_output_defs): Remove.
15124 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
15126         Fix PR tree-optimization/20489
15128         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
15129         for empty structures.
15131 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
15133         Fix PR tree-optimization/20490
15135         * tree-ssa-pre.c (create_expression_by_pieces): Use
15136         force_gimple_operand on result of fold.
15138 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
15140         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
15141         of closing parenthesis.
15143 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
15145         * builtins.c (expand_movstr): Update a call to
15146         fold_builtin_strcpy.
15147         (expand_builtin_strncpy): Update a call to
15148         fold_builtin_strncpy.
15149         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
15150         arguments of CALL_EXPR.
15151         (fold_builtin_1): Update calls to fold_builtin_strcpy and
15152         fold_builtin_strncpy.
15153         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
15154         * tree.h: Update the prototypes of fold_builtin_strcpy and
15155         fold_builtin_strncpy.
15157 2005-03-16  Steven Bosscher  <stevenb@suse.de>
15158             Dorit Naishlos  <dorit@il.ibm.com>
15160         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
15161         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
15162         error.
15164 2005-03-16  Steven Bosscher  <stevenb@suse.de>
15166         * tree-inline.c (walk_type_fields, walk_tree,
15167         walk_tree_without_duplicates): Move from here...
15168         * tree.c: ...to here.
15170 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
15172         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
15173         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
15174         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
15175         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
15176         (version): Define using $(BASEVER_c).
15177         (Makefile, config.status, build/gcov-iov.o): No longer depends on
15178         version.c.
15179         (version.o): Depend on version files; add custom generation command.
15180         (prefix.o): Define BASEVER on command line.
15181         (s-iov): Depend on version files; adjust command.
15182         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
15183         Add gcc-vers.texi.
15184         (gcc-vers.texi): New rule.
15185         (doc/%.info, doc/%.dvi): Add -I . to command line.
15186         (doc/gccinstall.dvi): Likewise.
15187         (PACKAGE): Delete.  All uses replaced with "gcc".
15188         * aclocal.m4: Do not include gcc-version.m4.
15189         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
15190         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
15191         Set is_release based on contents of DEV-PHASE.
15192         Set gcc_version based on contents of BASE-VER.
15193         Define WIN32_REGISTRY_KEY only if the user overrode the default.
15194         * config.in, configure: Regenerate.
15195         * gccbug.in: Determine version of GCC in use at runtime.
15196         * gcov-iov.c: Get version number and development phase from
15197         command line, not by including version.c.
15198         * intl.c: Replace all uses of PACKAGE with "gcc".
15199         * libada-mk.in: Delete unused "gcc_version" variable.
15200         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
15201         * version.c: (VERSUFFIX): New hook for redistributors; adjust
15202         commentary to match.
15203         (version_string): Put together from pieces.
15204         * config/alpha/x-vms: Do not use $(gcc_version).
15205         * config/i386/t-nwld: Likewise.
15206         * doc/include/gcc-common.texi: Include gcc-vers.texi for
15207         version-GCC and DEVELOPMENT.
15209 2005-03-15  Roger Sayle  <roger@eyesopen.com>
15211         PR tree-optimization/17454
15212         * tree.c (tree_size): Add case for TREE_BINFO.
15213         * fold-const.c (fold_checksum_tree): Only clear the overloaded
15214         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
15216 2005-03-15  Roger Sayle  <roger@eyesopen.com>
15218         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
15219         op1 whilst expanding the signed widenening multiply variant.
15221 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
15223         * toplev.c (display_target_options): Avoid unused variable warning if
15224         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
15225         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
15226         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
15227         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
15228         (mips_isa_info): New variable.
15229         (mips_parse_cpu): Remove the first argument and leave the caller
15230         to report errors.
15231         (TARGET_HANDLE_OPTION): Override default.
15232         (mips_handle_option): New function.  Move option validation code from...
15233         (override_options): ...here.  Update calls to mips_parse_cpu.
15234         * config/mips/mips.h (mips_arch_string, mips_tune_string)
15235         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
15236         (SUBTARGET_TARGET_OPTIONS): Delete.
15237         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
15238         (mno-flush-func, mtune=): New options.
15240 2005-03-15  Roger Sayle  <roger@eyesopen.com>
15241             Richard Henderson  <rth@redhat.com>
15243         * real.c (c4x_single_format, c4x_extended_format): Provide values
15244         for signbit_ro for c4x's single and extended floating point formats.
15245         * optabs.c (expand_copysign): Use the floating point format's
15246         signbit_ro for expanding via expand_copysign_absneg, and it's
15247         signbit_rw field for expanding via expand_copysign_bit.
15249 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
15251         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
15252         known_alignment_for_access_p.
15253         (known_alignment_for_access_p): New.
15254         (do_peeling_for_alignment): Field made int instead of bool and renamed
15255         to peeling_for_alignment.
15256         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
15257         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
15258         functionality used to be in vect_analyze_operations.
15259         (vect_analyze_operations): Code to determine vectorization factor was
15260         moved to vect_determine_vectorization_factor.
15261         (vect_enhance_data_refs_alignment): Update to correct alignment when it
15262         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
15263         factor.
15264         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
15265         be part of vect_analyze_operations).
15266         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
15267         creating the guard condition, as the number of iterations may be
15268         constant.
15269         (slpeel_tree_peel_loop_to_edge): Use new name of
15270         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
15271         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
15272         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
15273         (vect_do_peeling_for_alignment): Use fold.
15274         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
15276         (vect_update_inits_of_dr): Renamed to
15277         vect_update_init_of_dr.
15278         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
15279         (vectorizable_store): Fix assertion to use == instead of =.
15281 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
15283         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
15284         call_used_regs for wCG registers.
15286 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
15288         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
15289         for non-offsettable memory references to cope with outstanding reload
15290         replacements, take 2.
15292 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
15294         PR target/18668
15295         * config/i386/i386.h (x86_fisttp): New.
15296         (TARGET_FISTTP): New macro.
15297         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
15298         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
15299         instruction when fisttp flag is set.
15300         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
15302         * config/i386/i386.md (type attribute): Add fisttp.
15303         (unit attribute): Set to i387 for fisttp type.
15304         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
15305         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
15306         TARGET_FISTTP.
15307         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
15308         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
15309         macros.
15310         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
15311         patterns for TARGET_FISTTP.  Enable patterns for
15312         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
15313         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
15314         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
15315         implement fisttp x87 insn.
15316         (fix_trunc*_i387_fisttp splitters): New patterns.
15317         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
15318         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
15319         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
15320         clobber.
15321         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
15322         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
15323         Implement using mode macros. Disable patterns for TARGET_FISTTP.
15324         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
15325         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
15326         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
15327         Disable patterns for TARGET_FISTTP.
15328         (fix_trunc*_i387 splitters): Implement usign mode macros.
15329         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
15330         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
15331         (fix_trunx*_sse peephole2s): Implement using mode macros.
15333 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
15335         PR rtl-optimization/20291
15336         * combine.c (try_combine): If splitting fails, re-try with
15337         original combined pattern, i.e. before clobber stripping.
15339 2005-03-14  Eric Christopher  <echristo@redhat.com>
15341         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
15342         STACK_GROWS_DOWNWARD.
15344 2005-03-14  Roger Sayle  <roger@eyesopen.com>
15346         * real.h (struct real_format): Split the signbit field into two
15347         two fields, signbit_ro and signbit_rw.
15348         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
15349         mips_double_format, ieee_extended_motorola_format,
15350         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
15351         ieee_extended_intel_128_format, ibm_extended_format,
15352         mips_extended_format, ieee_quad_format, mips_quad_format,
15353         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
15354         i370_double_format, c4x_single_format, c4x_extended_format,
15355         real_internal_format): Update initializers for new field.
15356         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
15357         real_format structure.
15358         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
15359         field of the real_format structure.
15361 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
15363         Fix PR tree-optimization/20458
15365         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
15366         DECL_EXTERNAL on STRUCT_FIELD tags.
15367         (clear_call_clobbered): Ditto.
15368         * tree-ssa-operands.c (note_addressable): Make sure the original
15369         variable doesn't slip into the addressable list if we have
15370         subvars.
15371         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
15372         tags too.
15374 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
15376         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
15377         (-fwide-exec-charset): Likewise.
15378         (-finput-charset): Likewise.
15379         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
15380         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
15381         * c.opt (Wnormalized): New.
15383 2005-03-14  Devang Patel  <dpatel@apple.com>
15385         * doc/invoke.texi: Add reference to Visibility document.
15387 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
15389         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
15390         MASK_SPLIT_ADDRESSES.
15391         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
15392         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
15393         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
15394         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
15395         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
15396         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
15397         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
15398         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
15399         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
15400         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
15401         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
15402         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
15403         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
15404         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
15405         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
15406         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
15407         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
15408         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
15409         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
15410         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
15411         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
15412         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
15413         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
15414         (TARGET_EXPLICIT_RELOCS): Delete.
15415         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
15416         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
15417         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
15418         (override_options): Set MASK_LONG64 if -mint64 is given and no
15419         -mlongXX option is.  Complain about -mint64 -mlong32.
15420         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
15421         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
15422         * config/mips/mips.opt: New file.
15424 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
15426         * config.gcc (extra_options): New variable for listing option files.
15427         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
15428         * configure.ac (extra_opt_files): New AC_SUBST variable.
15429         (tm_file_list, tm_include_list): Include options.h first.
15430         * configure: Regenerate.
15431         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
15432         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
15433         (s-options-h): New rule.
15434         (options.h): Depend on it.
15435         (TEXI_GCCINT_FILES): Add options.texi.
15436         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
15437         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
15438         * target.h (gcc_target): Add default_target_flags and handle_option.
15439         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
15440         (TARGET_HANDLE_OPTION): New macros.
15441         (TARGET_INITIALIZER): Include them.
15442         * opt-functions.awk (opt_args, nth_arg): New functions.
15443         (switch_flags): Handle the "Target" flag.
15444         (var_args): Delete.
15445         (var_name): Use opt_args and nth_arg.
15446         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
15447         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
15448         macros for the "Mask" and "InverseMask" options.
15449         * opts.h (cl_var_cond): New enum.
15450         (cl_option): Replace the "has_set_value" and "set_value" fields with
15451         "var_cond" and "var_value".
15452         (CL_TARGET): New macro.
15453         (option_enabled, print_filtered_help): Declare.
15454         (decode_options): Move definition.
15455         * opts.c (handle_option): Search for the original option before
15456         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
15457         var_cond and var_value fields.  Use targetm.handle_option to handle
15458         target options.
15459         (decode_options): Set target_flags to targetm.default_target_flags.
15460         (print_filtered_help): Make global.  Handle CL_TARGET.
15461         (option_enabled): New function.
15462         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
15463         (display_target_options, set_target_switch, print_switch_values)
15464         (default_pch_valid_p): Guard uses of target_switches with
15465         #ifdef TARGET_SWITCHES.  Also...
15466         (display_target_options): Display the CL_TARGET entries in cl_options.
15467         (set_target_option): Don't complain about the "" option when
15468         TARGET_SWITCHES is undefined.
15469         (print_switch_values): Use option_enabled.
15470         (default_pch_valid_p): Check cl_options[] when looking for something
15471         that has changed the value of target_flags.
15472         * c.opt: Remove documentation from top of file.
15473         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
15474         * doc/sourecebuild.texi: Refer to the new options documentation
15475         instead of c.opt.  Document machine-specific .opt files.
15476         * doc/tm.texi (target_flags): Say that this variable is declared
15477         by options.h.
15478         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
15479         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
15480         an alternative.
15481         * doc/options.texi: New file.
15483 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
15485         PR middle-end/18628
15486         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
15487         register.
15489 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
15491         PR c++/20280
15492         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
15493         temporary variable of pointer type if an lvalues is required.
15494         (gimplify_modify_expr_rhs): Request an rvalue from it.
15495         (gimplify_expr): Pass fallback on.
15497 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
15499         * cfgbuild.c: Update comments.
15501 2005-03-14  Roger Sayle  <roger@eyesopen.com>
15503         PR rtl-optimization/17236
15504         * optabs.c (expand_doubleword_mult): New helper function split out
15505         from expand_binop.  Permute the order in which instructions are
15506         emitted to minimize the number of simultaneously live registers.
15507         (expand_binop): Call expand_doubleword_mult to synthesize a double
15508         word multiplication.
15510 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
15512         * basic-block.h: Update the prototypes of cached_make_edge and
15513         rtl_make_eh_edge.
15514         * cfg.c (cached_make_edge): Take edge_cache representing one
15515         row of the adjacency matrix of edges.
15516         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
15517         (make_edges): Initialize edge_cache to represent one row of
15518         the adjacency matrix of edges.
15520 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
15522         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
15523         New functions.
15524         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
15525         Remove unused removed_phis variable.
15526         (conditional_replacement): Use build1/build2.
15527         (abs_replacement): Use last_and_only_stmt and build1/build2.
15529 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
15531         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
15532         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
15533         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
15534         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
15535         * c-common.c (handle_novops_attribute): New function.
15536         (c_common_attribute_table): Add "no vops" entry.
15537         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
15538         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
15539         * tree-ssa-operands.c (get_call_expr_operands): Do not
15540         create virtual operands for calls with ECF_NOVOPS flag.
15541         * tree.h (DECL_IS_NOVOPS): New macro.
15542         (struct tree_decl): Add novops_flag.
15543         (ECF_NOVOPS): New constant.
15545 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
15547         PR target/17688
15548         * config/i386/i386.c (x86_use_himode_fiop): New.
15549         (x86_use_simode_fiop): Rename from x86_use_fiop.
15550         * config/i386/i386.h (x86_use_himode_fiop): Declare.
15551         (TARGET_USE_HIMODE_FIOP): New.
15552         (x86_use_simode_fiop): Rename from x86_use_fiop.
15553         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
15555         * config/i386/i386.md (X87MODEI12): New mode macro define.
15556         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
15557         to implement x87 FP compare with HImode input operands.
15558         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
15559         Use X87MODEI12 mode macro to handle HImode input operands.
15560         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
15561         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
15562         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
15563         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
15564         macro to implement x87 operators with HImode input operands.
15565         (fop splitters): Use X87MODEI12 mode macro to handle HImode
15566         input operands.
15568 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
15570         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
15571         integer_zerop.
15572         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
15573         constants invariant.
15575 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
15577         * basic-block.h (BB_VISITED): Removed.
15578         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
15580 2005-03-14  Falk Hueffner  <falk@debian.org>
15582         PR bootstrap/20424
15583         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
15585 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
15587         * ggc-zone.c: Fix comment typos.
15589         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
15590         stringpool.c, config/mips/mips-protos.h: Update copyright.
15592 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
15594         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
15595         throughout with its typedef, "rtx".
15596         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
15597         (rs6000_tls_symbol_ref_1): Remove inline keyword.
15598         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
15599         regs in comment to match code.
15601 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
15603         * except.c (check_handled): Make it static.
15604         * except.h: Remove the corresponding prototype.
15606         * function.c (get_func_frame_size): Make it static.
15607         * function.h: Remove the corresponding type.
15609         * regclass.c (reg_class_superclasses, reg_class_subclasses):
15610         Make them static.
15611         * hard-reg-set.h: Remove the corresponding declarations.
15613         * tree-cfg.c (verify_stmts): Check that
15614         bb_for_stmt (stmt) == bb for every PHI node and statement.
15616 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
15618         * config.gcc: Remove excess indentation.
15619         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
15621 2005-03-13  Roger Sayle  <roger@eyesopen.com>
15623         PR middle-end/19331
15624         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
15625         * fold-const.c (fold_sign_changed_comparison): Likewise.
15626         (fold_binary): Optimize comparisons against widened operands if
15627         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
15629 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
15631         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
15632         (sparc_override_options): Initialize it.
15633         (sparc_struct_value_rtx): Set it on the MEM to be returned.
15635 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
15637         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
15638         (reg_or_none500mem_operand): New predicate.
15639         (zero_reg_mem_operand): New predicate.
15640         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
15641         to reg_or_none500mem_operand.
15642         (extendsfdf2_fpr): Add MEM alternative.
15643         (extenddftf2_internal): Change operand2 predicate to
15644         zero_reg_mem_operand.
15646 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
15648         * ggc-zone.c: Rewritten.
15650         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
15651         if there are none.
15652         * configure.ac: Define GGC_ZONE for --with-gc=zone.
15653         * config.in: Regenerated.
15654         * configure: Regenerated.
15655         * gengtype.c (write_types_process_field, write_func_for_structure):
15656         Pass new argument to gt_pch_note_object.
15657         * ggc-common.c (struct ptr_data): Add TYPE.
15658         (gt_pch_note_object): Take TYPE argument and save it.
15659         (call_count): Update call to ggc_pch_count_object.
15660         (call_alloc): Update call to ggc_pch_alloc_object.
15661         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
15662         file.
15663         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
15664         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
15665         (ggc_alloc_zone_stat): Delete.
15666         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
15667         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
15668         (ggc_pch_alloc_object): Update prototypes.
15669         (garbage_zone): Delete.
15670         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
15671         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
15672         pointers.
15673         (tree_id_zone): New variable.
15674         (ggc_alloc_cleared_zone): Remove unused.
15675         (ggc_alloc_zone): Define.
15676         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
15677         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
15678         ggc_alloc_zone_stat.
15679         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
15680         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
15681         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
15682         (make_node_stat): Likewise.  Use tree_id_zone.
15684 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
15685             Joseph S. Myers  <joseph@codesourcery.com>
15687         * configure.ac: Check for MIPS TLS.
15688         * configure: Regenerated.
15689         * config/mips/mips-protos.h (enum mips_symbol_type): Add
15690         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
15691         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
15692         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
15693         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
15694         (mips_classify_symbol, mips_symbolic_constant_p)
15695         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
15696         (mips_tls_operand_p, mips_call_tls_get_addr)
15697         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
15698         (mips_tls_symbol_ref_1): New functions.
15699         (mips_legitimize_address, mips_legitimize_const_move): Call
15700         mips_legitimize_tls_address.
15701         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
15702         for MIPS16.
15703         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
15704         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
15705         (mips_char_to_class): Document V1_REG.
15706         (HAVE_AS_TLS): Provide default.
15707         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
15708         constants.
15709         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
15710         !TARGET_ABICALLS.
15711         (tls_get_tp_<mode>): New instruction.
15713 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
15715         * configure.ac: Update checks for target tools.
15716         * configure: Regenerated.
15718 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
15720         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
15722 2005-03-13  Roger Sayle  <roger@eyesopen.com>
15724         * expmed.c (expand_mult): Use synthetic multiplication sequences for
15725         more classes of DImode multiplication by constant.  Allow both
15726         multiplication by small negative constants (by performing a
15727         multiplication by a positive constant and negating the result) and
15728         multiplications by large powers of two, by using a left shift.
15730 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
15732         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
15733         of basic blocks into work_stack.
15735         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
15736         config/mips/vr.h: Update copyright.
15738         * c-decl.c (c_init_decl_processing): Remove useless calls to
15739         build_function_type.
15741         * builtins.c (fold_trunc_transparent_mathfn,
15742         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
15743         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
15744         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
15745         fold_builtin_strcpy, fold_builtin_strncpy,
15746         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
15747         TREE_TYPE (exp).
15749         * builtins.c (expand_builtin_mathfn_3): Remove local variable
15750         before_call.
15752         * lambda-code.c (lambda_compute_auxillary_space): Remove local
15753         variable determinant.
15755         * tree-cfg.c (group_case_labels): Remove local variable type.
15757         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
15758         variable ann.
15760         * tree-ssa-phiopt.c (value_replacement): Remove local variable
15761         result.
15763 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
15765         PR target/18251
15766         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
15767         (*movmemqi_insn): Delete.
15768         (*movmemhi): Delete.
15770 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
15772         * builtins.c (fold_builtin_classify): Take decomposed
15773         arguments of CALL_EXPR.
15774         (fold_builtin_1): Update a call to fold_builtin_classify.
15776 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
15778         PR c/20402
15779         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
15780         through into call to parser_xref_tag after parse error.
15781         (c_parser_struct_declaration): Consistently return NULL_TREE on
15782         error.
15784 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
15786         * tree-flow-inline.h (ref_contains_array_ref): New function.
15787         (lookup_subvars_for_var): Ditto.
15788         (get_subvars_for_var): Ditto.
15789         (var_can_have_subvars): Ditto.
15791         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
15792         (struct subvar): New type.
15794         * tree-dfa.c (okay_component_ref_for_subvars): New function.
15796         * tree-optimize.c (init_tree_optimization_passes): Call
15797         pass_create_structure_vars.
15799         * tree-ssa-alias.c: Include vec.h.
15800         (init_alias_info): Don't auto-clear call clobbered on struct-field
15801         tags.
15802         (compute_flow_insensitive_aliasing): Handle subvars.
15803         (group_aliases): Handle STRUCT_FIELD aliases.
15804         (setup_pointers_and_addressables): Ditto.
15805         Don't mark variables non-addressable if they still have
15806         addressable subvars.
15807         Also mark subvars addressable when the real variable is marked
15808         addressable.
15809         (add_pointed_to_var): Try to prune the pointed-to set by only
15810         pointing to subvars when possible.
15811         Otherwise, make sure we set addresses_needed and pt_vars to
15812         properly include subvars.
15813         (bitpos_of_field): New function.
15814         (push_fields_onto_fieldstack): Ditto.
15815         (get_or_create_used_part_for): Ditto.
15816         (create_overlap_variables_for): Ditto.
15817         (find_used_portions): Ditto.
15818         (create_structure_vars): Ditto.
15819         (pass_create_structure_vars): New structure.
15821         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
15822         (get_expr_operands): Handle subvars.  Also try to turn
15823         COMPONENT_REF accesses into must-defs now that we can accurately
15824         portray it.
15825         (note_addressable): Try to only mark as addressable those subvars
15826         we know a COMPONENT_REF touches.
15827         (overlap_subvar): New function.
15829         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
15830         Handle subvar storing.
15831         (vect_address_analysis): Update caller of vect_object_analysis.
15833         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
15835         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
15836         (STMT_VINFO_SUBVARS): New macro.
15838         * common.opts: add flag_tree_salias.
15840         * opts.c (decode_options): flag_tree_salias defaults to on.
15842         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
15844         * doc/tree-ssa.texi: Document structural alias analysis.
15846 2005-03-12  Steven Bosscher  <stevenb@suse.de>
15848         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
15849         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
15850         * tree-ssa-operands.c (get_expr_operands): Likewise.
15851         (get_expr_operands): Likewise for ERROR_MARK.
15853 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
15855         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
15856         var.
15858         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
15859         removed_phis.
15861         * tree-ssa-pre.c (compute_avail): Remove local variable val.
15862         (mark_operand_necessary): Remove local variable ver.
15864         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
15865         variable prefix_len.
15867         * value-prof.c (mod_subtract_transform): Remove local variable
15868         value.
15870         * builtins.c (fold_builtin_exponent): Take decomposed
15871         arguments of CALL_EXPR.
15872         (fold_builtin_1): Update a call to fold_builtin_exponent.
15874         * builtins.c (fold_builtin_logarithm): Take decomposed
15875         arguments of CALL_EXPR.
15876         (fold_builtin_1): Update a call to fold_builtin_logarithm.
15878         * c-decl.c (c_init_decl_processing): Remove local variables
15879         ptr_ftype_void and ptr_ftype_ptr.
15881         * gimplify.c (gimplify_expr): Remove local variables r0 and
15882         r1.
15884         * reg-stack.c (move_for_stack_reg): Remove local variable
15885         push_insn.
15886         (compare_for_stack_reg): Remove local variable flags_user.
15887         (convert_regs_1): Remove local variable deleted.
15889         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
15890         variable new_cond.
15891         (combine_blocks): Remove local variables exits and new_e.
15893         * tree-inline.c (expand_call_inline): Remove local variable
15894         decl.
15896         * tree-ssa-live.c (create_ssa_var_map,
15897         calculate_live_on_entry): Remove local variable snn.
15899 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
15901         * c-lex.c (c_lex_with_flags): Add parameter to call to
15902         cpp_spell_token.
15904 2005-03-11  Per Bothner  <per@bothner.com>
15906         * c-tree.h (struct c_declarator): New id_loc field.
15907         * c-pragma.h (c_lex_with_flags): Take position reference.
15908         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
15909         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
15910         (c_lex): Pass dummy location to c_lex_with_flags.
15911         * c-parser.c (c_lex_one_token): Set c_token's location using
15912         c_lex_with_flags, instead of input_location, which might be "ahead".
15913         (c_parser_direct_declarator): Set declarator's id_loc from
15914         c_token's id_loc.
15915         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
15916         declarator's id_loc, rather than probably-imprecise input_location.
15917         (build_id_declarator): Initialize c_declarator's id_loc field.
15919 2005-03-11  Roger Sayle  <roger@eyesopen.com>
15921         PR middle-end/20419
15922         * builtins.c (expand_builtin_signbit): Force the signbit's word
15923         into an integer register to avoid SUBREGs of floating point modes.
15925 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
15927         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
15928         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
15929         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
15930         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
15932 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
15934         PR rtl-optimization/20306
15935         * expr.c (emit_move_complex): Set try_int false if mode is
15936         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
15937         emit_block_move if try_int is true.
15939 2005-03-11  Richard Henderson  <rth@redhat.com>
15941         PR target/20415
15942         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
15943         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
15944         to match.
15946 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
15948         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
15949         (TARGET_FIX_VR4130): New macro.
15950         (TARGET_OPTIONS): Add -mfix-vr4130.
15951         (ISA_HAS_MACCHI): New macro.
15952         (ASM_SPEC): Add -mfix-vr4130.
15953         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
15954         (override_options): Handle mips_fix_vr4130_string.
15955         (mips_avoid_hazards): Clear all_noreorder_p
15956         if we're working around VR4130 errata and the macc alternatives
15957         are not available.
15958         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
15959         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
15960         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
15961         (MULTILIB_DEFAULTS): Remove leading "march=".
15962         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
15963         if no architecture option is given.
15964         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
15965         VR4130 multilibs.
15966         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
15967         * doc/invoke.texi: Document -mfix-vr4130.
15969 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
15971         * config/mips/mips.c (override_options): Only warn about -mint64
15972         deprecation if TARGET_INT64.
15974 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15976         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
15977         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
15978         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
15979         are non-specific regarding the nonnull parameter positions.
15980         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
15981         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
15982         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
15983         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
15985         * builtins.def: Use the non-specific "nonnull" attibute lists.
15987 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
15989         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
15990         single_pred_edge, single_succ, single_pred): Improve comments.
15992 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
15994         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
15995         single_pred_edge, single_succ, single_pred): New inline functions.
15996         * bb-reorder.c (rotate_loop, find_traces_1_round,
15997         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
15998         duplicate_computed_gotos): Use the single_succ/pred functions.
15999         * cfganal.c (forwarder_block_p): Ditto.
16000         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
16001         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
16002         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
16003         merge_seq_blocks): Ditto.
16004         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
16005         * cfglayout.c (fixup_reorder_chain): Ditto.
16006         * cfgloop.c (mark_single_exit_loops, update_latch_info,
16007         canonicalize_loop_headers, verify_loop_structure): Ditto.
16008         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
16009         mfb_update_loops, create_preheader, force_single_succ_latches,
16010         create_loop_notes): Ditto.
16011         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
16012         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
16013         commit_one_edge_insertion, purge_dead_edges,
16014         cfg_layout_can_merge_blocks_p): Ditto.
16015         * except.c (sjlj_emit_function_enter): Ditto.
16016         * flow.c (init_propagate_block_info): Ditto.
16017         * function.c (thread_prologue_and_epilogue_insns): Ditto.
16018         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
16019         insert_insn_end_bb): Ditto.
16020         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
16021         find_if_case_2): Ditto.
16022         * lambda-code.c (perfect_nestify): Ditto.
16023         * lcm.c (optimize_mode_switching): Ditto.
16024         * loop-doloop.c (doloop_modify): Ditto.
16025         * loop-init.c (loop_optimizer_init): Ditto.
16026         * loop-iv.c (simplify_using_initial_values): Ditto.
16027         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
16028         * loop-unswitch.c (unswitch_loop): Ditto.
16029         * modulo-sched.c (generate_prolog_epilog): Ditto.
16030         * predict.c (combine_predictions_for_insn, estimate_probability,
16031         tree_estimate_probability, last_basic_block_p,
16032         estimate_bb_frequencies): Ditto.
16033         * profile.c (branch_prob): Ditto.
16034         * regrename.c (copyprop_hardreg_forward): Ditto.
16035         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
16036         * tracer.c (layout_superblocks): Ditto.
16037         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
16038         cfg_remove_useless_stmts_bb, cleanup_control_flow,
16039         cleanup_control_expr_graph, disband_implicit_edges,
16040         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
16041         tree_verify_flow_info, tree_make_forwarder_block,
16042         tree_forwarder_block_p, remove_forwarder_block,
16043         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
16044         * tree-if-conv.c (tree_if_conversion): Ditto.
16045         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
16046         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
16047         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
16048         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
16049         copy_loop_headers): Ditto.
16050         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
16051         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
16052         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
16053         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
16054         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
16055         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
16056         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
16057         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
16058         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
16059         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
16060         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
16061         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
16062         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
16063         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
16064         slpeel_add_loop_guard): Ditto.
16066 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
16068         PR tree-optimization/15784
16069         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
16070         and -1 - A to ~A.
16072         * stmt.c (expand_case): Don't change index_type.  Convert minval
16073         to the proper type.
16075         PR tree-optimization/20130
16076         * fold-const.c (fold): Fold x * -1 into -x.
16078 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
16080         PR rtl-optimization/20331
16081         * rtlanal.c (modified_between_p): Check its address first for MEM.
16082         (modified_in_p): Likewise.
16084 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
16086         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
16088 2005-03-10  Steven Bosscher  <stevenb@suse.de>
16090         * expr.c (expand_expr_real_1): If possible, use a conditional
16091         move for expanding MIN_EXPR and MAX_EXPR.
16092         Use temp for moving around rtx-en.
16094 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
16096         PR rtl-opt/20412
16097         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
16098         correct mode.
16100 2005-03-10  Roger Sayle  <roger@eyesopen.com>
16102         * builtins.c (expand_builtin_signbit): Extend to handle floating
16103         point modes wider than the largest integer type, using the
16104         operand_subword_force function to obtain the signbit's word.
16106 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
16108         PR target/20322
16109         * combine.c (try_combine): If recog_for_combine added CLOBBERs
16110         to NEWI2PAT, fail to combine if they are used by NEWPAT.
16112 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
16114         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
16116 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
16118         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
16119         type void.
16120         (perform_edge_inserts): Unconditionally call
16121         free_dominator_info.
16123         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
16125 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
16127         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
16129 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
16131         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
16133         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
16134         gcc_unreachable.
16135         (rtl_register_value_prof_hooks,
16136         tree_value_profile_transformations,
16137         tree_register_value_prof_hooks): Likewise.
16138         * var-tracking.c (stack_adjust_offset_pre_post,
16139         variable_htab_free, variable_union, dataflow_set_different_2,
16140         count_uses, variable_was_changed, set_frame_base_location,
16141         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
16142         vt_add_function_parameters): Likewise.
16143         * varasm.c (named_section_real, named_section, make_decl_rtl,
16144         asm_emit_uninitialised, assemble_integer, decode_addr_const,
16145         const_hash_1, compare_constant, copy_constant, force_const_mem,
16146         output_constant_pool_2, output_constant_pool_1, output_constant,
16147         output_constructor, make_decl_one_only, decl_tls_model,
16148         default_no_named_section, default_elf_select_section_1,
16149         default_unique_section_1): Likewise.
16150         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
16151         * vmsdbgout.c (addr_const_to_string): Likewise.
16153         PR c++/20375
16154         * function.c (struct assign_parm_data_one): Remove last_named
16155         field.
16156         (assign_parm_find_data_types): Don't determine last_named.
16157         Reorder named_parm determination.
16158         (assign_parms): Only setup varargs on the last non-varadic
16159         parameter.
16161 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
16163         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
16164         sda base address on medium model.
16166 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
16168         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
16169         * cfgloop.c (flow_loop_nodes_find): Export.
16170         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
16171         Declare.
16172         * cfgloopmanip.c (fix_loop_structure): New function.
16173         * predict.c (predict_loops): Clean up the loops information.
16174         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
16175         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
16176         loop structure.
16177         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
16178         (rewrite_into_loop_closed_ssa): Declaration changed.
16179         * tree-loop-linear.c (linear_transform_loops): Add argument to
16180         rewrite_into_loop_closed_ssa call.
16181         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16182         * tree-ssa-loop-im.c (move_computations): Ditto.
16183         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16184         * tree-vectorizer.c (vectorize_loops): Ditto.
16185         * tree-optimize.c: Include cfgloop.h.
16186         (execute_todo): Choose whether to call cleanup_tree_cfg or
16187         cleanup_tree_cfg_loop.
16188         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
16189         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
16190         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
16191         cleanup_tree_cfg_loop call.
16192         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
16193         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
16194         work on part of cfg.
16196 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
16198         PR inline-asm/20314
16199         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
16200         with multiple alternatives.
16202         * stmt.c (parse_output_constraint): Fix a typo.
16204 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
16206         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
16207         assembly directive instead of deprecated "no-generics".
16209 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
16211         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
16212         for non-offsettable memory references to cope with outstanding reload
16213         replacements.
16214         * config/s390/s390.md ("reload_outti"): Call find_replacement to
16215         avoid losing outstanding address reloads.
16216         ("reload_outdi", "reload_outdf"): Likewise.
16218 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16220         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
16221         code.  Add more cbrt transformations.
16223 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
16225         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
16227 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
16229         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
16230         NULL_TREE when a given tree is not simplified.
16231         (fold): Return the original tree when any of the functions
16232         mentioned above NULL_TREE.
16234         * fold-const.c (fold_unary, fold_binary): Take decomposed
16235         arguments, code, type, op0, and op1 in case of fold_binary.
16236         (fold): Update calls to fold_unary and fold_binary.
16238 2005-03-09  Roger Sayle  <roger@eyesopen.com>
16240         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
16241         a fndecl and an arglist instead of a CALL_EXPR, exp.
16243 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
16245         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
16247         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
16249         * expr.c (expand_assignment): Remove orig_to_rtx.
16251         * fold-const.c (int_const_binop): Remove no_overflow.
16253         * ifcvt.c (noce_emit_move_insn): Remove inmode.
16255         * loop-iv.c (get_biv_step_1): Remove lhs.
16257         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
16259         * real.c (real_nan): Remove neg.
16261         * function.c (thread_prologue_and_epilogue_insns): Remove i
16262         and newinsn.
16264         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
16265         tb.
16267         * tree-eh.c (tree_could_trap_p): Remove idx.
16269         * tree-into-ssa.c (ann): Remove ann.
16271         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
16273         * tree-sra.c (decide_block_copy): Remove inst_count.
16275         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
16277         * tree-ssa-loop-im.c (lhs): Remove.
16279         * cfgbuild.c (state, STATE, SET_STATE,
16280         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
16281         make_edges.
16282         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
16283         (find_basic_blocks): Set the state of each basic block to
16284         BLOCK_NEW.
16286 2005-03-08  Jeff Law  <law@redhat.com>
16288         * tree-cfg.c (cleanup_control_flow): If removal of a computed
16289         goto results in the removal of edges in the CFG, then we need
16290         to recompute dominators.
16292 2005-03-09  Ben Elliston  <bje@au.ibm.com>
16294         * c-common.c (c_do_switch_warnings): Comment fix.
16296 2005-03-08  Julian Brown  <julian@codesourcery.com>
16298         * Patch from 2005-03-08 reverted for causing regressions and
16299         ppc-darwin bootstrap failure.
16301 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
16303         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
16304         Define the real function for ppc-darwin.
16305         * c-typeck.c (convert_arguments): Check for target-specific
16306         invalid argument call to unprototyped function.
16307         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
16308         New Macro.
16309         * target.h (invalid_arg_for_unprototyped_fn): New field
16310         in struct calls.
16311         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
16312         default target hook.
16313         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
16314         Declare.
16316 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
16318         * c-typeck.c (constructor_stack, constructor_range_stack,
16319         initializer_stack): Make them static.
16321         * cfg.c (rbi_pool): Make it static.
16323         * gimple-low.c (lower_stmt_body): Make it static.
16324         * tree-flow.h: Remove the corresponding prototype.  Don't
16325         declare lower_data.
16327         * sched-deps.c (cache_size): Make it static.
16329         * stor-layout.c (lang_adjust_rli): Make it static.
16331 2005-03-08  Julian Brown  <julian@codesourcery.com>
16333         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
16334         from being used for symbols with vague linkage when
16335         HAVE_GAS_COMDAT_GROUP is true.
16337 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
16339         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
16340         nlabel == JUMP_LABEL (jump).
16342 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
16344         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
16345         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
16346         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
16347         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
16349 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
16351         PR c/14411
16352         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
16353         * c-common.c (handle_returns_twice): New function.
16354         (c_common_attribute_table): Declare eturns_twice' attribute.
16355         * doc/extend.texi: Document eturns_twice' attribute.
16356         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
16357         (struct tree_decl): Add returns_twice_flag.
16359 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
16361         * tree-ssa-phiopt.c: Fix a comment typo.
16363         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
16364         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
16365         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
16366         copyright.
16368 2005-03-08  Richard Henderson  <rth@redhat.com>
16370         * config/alpha/alpha.c (code_for_builtin): Replace special-case
16371         builtin codes with ctzdi2, clzdi2, popcountdi2.
16372         (struct alpha_builtin_def): Add is_const.
16373         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
16374         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
16375         (alpha_init_builtins): Init them.  Set nothrow and const attributes
16376         on builtins.
16377         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
16378         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
16379         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
16380         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
16381         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
16382         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
16383         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
16384         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
16385         (TARGET_FOLD_BUILTIN): New.
16386         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
16387         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
16388         (ffsdi2): Use ctz.
16389         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
16391 2005-03-08  Ira Rosen  <irar@il.ibm.com>
16393         PR tree-optimization/20122
16394         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
16395         condition of access function instead of base.
16397 2005-03-07  Jeff Law  <law@redhat.com>
16398             Steven Bosscher  <stevenb@suse.de>
16400         * tree-cfg.c (find_taken_edge_computed_goto): New function.
16401         (find_taken_edge): Call find_taken_edge_computed_goto as
16402         appropriate.  Allow any gimple invariant rather than just
16403         INTEGER_CST for VAL.
16404         (cleanup_control_flow): Cleanup a computed goto which has turned
16405         into a simple goto.
16406         (tree_merge_blocks): If block B has any forced labels, move
16407         them to the start of block A.
16408         * tree-ssa-dom.c (thread_across_edge): Allow threading across
16409         computed gotos as well.
16410         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
16411         removal of unnecessary computed gotos too.
16412         (lookup_redirection_data): Fix type of INSERT argument.  Callers
16413         updated.
16415 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
16417         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
16418         Remove trailing spaces.
16420         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
16421         unshare_all_trees): Make them static.
16422         * tree-gimple.h: Remove the corresponding prototypes.
16424         * diagnostic.h: Remove unused prototype
16425         debug_output_buffer.
16426         * modulo-sched.c: Remove unused prototype
16427         set_row_column_for_ps.
16429         * tree-ssa-phiopt.c (tree_ssa_phiopt,
16430         replace_phi_edge_with_variable): Remove unused variable i.
16432 2005-03-07  Per Bothner  <per@bothner.com>
16434         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
16436 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
16438         PR tree-opt/17671
16439         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
16440         bbs on the COND_EXPR instead of the PHI_NODEs.
16441         (candidate_bb_for_phi_optimization): Remove.
16442         (replace_phi_with_stmt): Rename to ...
16443         (replace_phi_edge_with_variable): this and change so that we
16444         replace the phi argument instead of removing the PHI.
16445         (conditional_replacement): Change so we deal with PHI with more
16446         than two arguments.
16447         (value_replacement): Likewise.
16448         (abs_replacement): Likewise.
16450 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
16452         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
16453         output_e500_flip_gt_bit.
16455         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
16456         as bit 31.
16457         (rs6000_generate_compare): Fix logic to look at the correct bits.
16458         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
16459         Look at GT bit.
16460         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
16461         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
16462         gen_move_from_CR_gt_bit.
16464         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
16465         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
16466         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
16468         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
16469         (E500_CR_IOR_COMPARE): New constant.
16471 2005-03-08  Earl Chew <earl_chew@agilent.com>
16472             David Billinghurst <David.Billinghurst@riotinto.com>
16474         * config/i386/host-cygwin.c: New file to support precompiled
16475         headers on cygwin
16476         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
16477         * config.host: Use above files for cygwin host.
16479 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
16481         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
16482         ordering ops from earlier change.
16484 2005-03-07  Per Bothner  <per@bothner.com>
16486         Various fixes to allow us to again build if --enable-mapped-location:
16487         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
16488         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
16489         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
16490         local variable loc. Change logic appropriately.
16491         * tree-vect-transform.c (vect_finish_stmt_generation): Use
16492         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
16493         * c-parser.c (c_parser_for_statement): Initialize loc variable.
16494         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
16495         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
16497 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
16499         PR rtl-optimization/19683
16500         * reload1.c (choose_reload_regs): Pass the number of bits, not the
16501         number of bytes, to smallest_int_for_mode.  Fix arguments to
16502         REG_CANNOT_CHANGE_MODE_P.
16504 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
16506         * reorg.c (relax_delay_slots): Check that the jump is
16507         conditional before trying to invert it.
16509 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
16511         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
16512         Make them static.
16514         * calls (stack_arg_under_construction): Make it static.
16516         * flow.c (regs_live_at_setjmp): Make it static.
16517         * flow.h: Remove the corresponding prototype.
16519         * reload1.c (reload_startobj, reload_firstobj,
16520         something_needs_operands_changed, reload_inherited,
16521         reload_inheritance_insn, reload_override_in,
16522         reload_spill_index): Make them static.
16524         * recog.c (verify_changes): Make it static.
16525         * recog.h: Remove the corresponding prototype.
16527         * cfgbuild.c (find_sub_basic_blocks): Remove.
16528         * basic-block.h: Remove the corresponding prototype.
16529         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
16530         in comments.
16531         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
16533         * tree-ssa-operands.c (check_build_stmt): Remove.
16535         * stor-layout.c (set_alignment): Remove.
16536         * tree.h: Remove the corresponding prototype.
16538         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
16540         * tree-ssa-dce.c (control_dependence_map,
16541         visited_control_parents): Make them static.
16543         * cfghooks.c (verify_flow_info): Remove local variable
16544         num_bb_notes.
16546         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
16547         last_bb_seen.
16549         * loop-unswitch.c (unswitch_loop): Remove local variable src.
16551 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
16553         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
16555 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
16557         * config/ia64/hpux.h (LINK_SPEC): Add -z.
16558         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
16559         PARALLEL for an empty structure.
16561 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
16563         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
16565         * fold-const.c (fold_binary): Unroll the very first "for"
16566         loop.
16568 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
16570         * config/rs6000/predicates.md (branch_comparison_operator): Remove
16571         redundant match_code test.
16572         (scc_comparison_operator): Swap match_operand and match_code
16573         tests.
16574         (branch_positive_comparison_operator): Same.
16575         (trap_comparison_operator): Use comparison_operator and swap with
16576         match_code test.
16578 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
16580         PR target/20288
16581         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
16582         (out_movhi_r_mr): Read low byte of volatile MEM first.
16583         (out_movhi_mr_r): Write high byte of volatile MEM first.
16585 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
16587         * cselib.c (reg_values, reg_values_size): Make them static.
16589         * cse.c (cse_reg_info_table): Make it static.
16591         * fold-const.c (fold_unary): Use build1 instead of copy_node.
16593 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
16595         * cse.c (find_best_addr): Use canon_for_address.
16597 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
16599         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
16600         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
16601         SUBREG and MEM, respectively.
16603         * fold-const.c (fold_binary): Use code instead of t.
16605         * fold-const.c (optimize_minmax_comparison): Take decomposed
16606         arguments code, type, op0, and op1 instead of t.
16607         (fold_binary): Update a call to optimize_minmax_comparison.
16609         * fold-const.c (fold_range_test): Take decomposed arguments
16610         code, type, op0, and op1 instead of t.
16611         (fold_binary): Update a call to fold_range_test.
16613         * fold-const.c (fold_binary_op_with_conditional_arg): Take
16614         decomposed arguments code, type, op0, and op1 instead of t.
16615         (fold_binary): Update a call to fold_range_test.
16617 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
16619         * fold-const.c (fold_binary): Avoid directly using the original
16620         expression t as much as possible.
16622 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
16624         * c-semantics.c (build_stmt): Use TYPE_P instead of
16625         IS_NON_TYPE_CODE_CLASS.
16626         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
16627         (NON_TYPE_CHECK): Use TYPE_P instead of
16628         IS_NON_TYPE_CODE_CLASS.
16630         * fold-const.c (fold): Remove handling of binary expressions.
16632 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
16634         * doc/c-tree.texi: Wrap comments in @r{}.
16635         * doc/cpp.texi: Likewise.
16636         * doc/cppinternals.texi: Likewise.
16637         * doc/extend.texi: Likewise.
16638         * doc/md.texi: Likewise.
16639         * doc/objc.texi: Likewise.
16640         * doc/sourcebuild.texi: Likewise.
16641         * doc/tm.texi: Likewise.
16642         * doc/tree-ssa.texi
16644 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
16646         * predict.c (apply_return_prediction): Standardize PHI chain
16647         walking.
16648         * tree-ssa.c (ssa_redirect_edge): Likewise.
16650         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
16651         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
16652         Update copyright.
16654         * tree-phinodes.c (remove_phi_node): Drop the last argument.
16655         * tree-flow.h: Adjust the prototype for remove_phi_node.
16656         * lambda-code.c (perfect_nestify): Adjust a call to
16657         remove_phi_node.
16658         * tree-cfg.c
16659         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
16660         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
16661         Likewise.
16662         * tree-ssa-dce.c (remove_dead_phis): Likewise.
16663         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16664         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16665         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
16667         * combine.c (simplify_and_const_int): Use gen_int_mode instead
16668         of GEN_INT (trunc_int_for_mode (...)).
16669         * loop-iv.c (iv_number_of_iterations): Likewise.
16670         * postreload.c (reload_cse_move2add): Likewise.
16671         * simplify-rtx.c (simplify_const_unary_operation,
16672         simplify_const_binary_operation): Likewise.
16673         * stor-layout.c (get_mode_bounds): Likewise.
16675         * fold-const.c (fold_binary): New.
16676         (fold): Call fold_binary on binary expressions.
16678 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
16680         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
16681         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
16682         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
16683         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
16684         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
16686 2005-03-04  Devang Patel  <dpatel@apple.com>
16688         PR tree-optimization/18815
16689         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
16690         loops with zero exit edges.
16692 2005-03-04  Devang Patel  <dpatel@apple.com>
16694         * doc/invoke.texi: Remove reference to webpage that does not exist.
16696 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
16697             Joseph S. Myers  <joseph@codesourcery.com>
16699         PR c++/19797
16700         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
16701         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
16702         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
16703         * pa.c (get_plabel): Change argument to symbol_ref.  Call
16704         maybe_get_identifier instead of get_identifier.
16705         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
16706         (struct deferred_plabel): Replace name field with symbol field.
16707         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
16708         ASM_OUTPUT_EXTERNAL_REAL is defined.
16709         (output_global_address): Use output_addr_const for output of all
16710         symbol_refs.
16711         (output_deferred_plabels): Use symbol_ref instead of name for address
16712         output.
16713         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
16714         ASM_OUTPUT_SYMBOL_REF): New macros.
16715         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
16716         comment.
16717         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
16718         label.
16720 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
16722         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
16723         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
16725 2005-03-04  Jeff Law  <law@redhat.com>
16727         * basic-block.h (rediscover_loops_after_threading): Declare.
16728         * tree-ssa-dom.c: Include cfgloop.h.
16729         (tree_ssa_dominator_optimize): Discover loops and some basic
16730         properties.  Remove forwarder blocks recreated by loop header
16731         canonicalization.  Also mark backedges in the CFG.
16732         * tree-ssa-threadupdate.c: Include cfgloop.h
16733         (rediscover_loops_after_threading): Define.
16734         (struct local_info): New field, JUMP_THREADED.
16735         (prune_undesirable_thread_requests): New function.
16736         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
16737         then record that fact for the callers of redirct_edges.
16738         (thread_block): If BB has incoming backedges, then call
16739         prune_undesirable_thraed_requests.    Note when we are
16740         going to have to rediscover loop information.  Return a
16741         boolean indicating if any jumps were threaded.
16742         (thread_through_all_blocks): Bubble up boolean indicating
16743         if any jumps were threaded.
16744         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
16745         (tree-ssa-threadupdate.o): Similarly.
16747 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
16749         * fold-const.c (fold_ternary): Unroll the "for" loop to
16750         extract operands.
16752 2005-03-04  Andrew Haley  <aph@redhat.com>
16754         * unwind-dw2-fde-glibc.c (struct
16755         unw_eh_callback_data.check_cache): New field.
16756         (frame_hdr_cache): New.
16757         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
16758         Cache frame header info.
16760 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
16762         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
16763         (print_c_condition): Declare.
16764         * read-rtl.c (ptr_loc): New structure.
16765         (ptr_locs, ptr_loc_obstack, joined_conditions)
16766         (joined_conditions_obstack): New variables.
16767         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
16768         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
16769         (join_c_conditions, print_c_condition): New functions.
16770         (apply_macro_to_string): Associate the new string with the same
16771         source location as the old one.
16772         (add_condition_to_string): Use join_c_conditions.
16773         (read_string): Use set_rtx_ptr_loc to record a filename and line
16774         number for the string.
16775         (read_rtx): Initialize the new variables above.
16776         * genattrtab.c (write_test_expr, write_attr_value): Use
16777         print_c_condition.
16778         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
16779         comment above the GCC_VERSION check.
16780         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
16781         Inline the definition of MAYBE_EVAL.
16782         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
16783         * genoutput.c (process_template): Likewise.
16784         * genpreds.c (write_predicate_subfunction): Likewise.
16785         (write_predicate_expr): Use print_c_condition.
16786         * genrecog.c (write_cond): Likewise.
16787         * gensupport.c (process_rtx): Use join_c_conditions to join the
16788         conditions of a define_insn_and_split.  Record a source location
16789         for the string after the "&&".
16790         (alter_test_for_insn): Use join_c_conditions.
16792 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
16794         Revert for now:
16795         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
16796         PR tree-optimization/15784
16797         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
16798         and -1 - A to ~A.
16800 2005-03-04  Ben Elliston  <bje@au.ibm.com>
16802         * gcc.c (option_map): Add --coverage.
16803         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
16804         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
16805         * config/darwin.h: Pass -lgcov for `coverage'.
16806         * doc/invoke.texi (Debugging Options): Document --coverage.
16808 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
16810         * gcse.c (bypass_block): Use find_edge wherever possible.
16812 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
16814         Fix PR debug/20253
16816         * c-opts.c (c_common_parse_file): Call start_source_file
16817         and end_source_file at the approriate times.
16819         * dwarf2out.c (dwarf2out_finish): Don't auto-end
16820         the main file, it will be done for us now.
16822 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
16824         * fold-const.c (fold_ternary): New.
16825         (fold): Call fold_ternary on ternary expressions.  Remove
16826         handling of ternary expressions.
16828 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
16830         PR tree-optimization/15784
16831         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
16832         and -1 - A to ~A.
16834 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
16836         * config/rs6000/predicates.md (branch_comparison_operator):
16837         Convert from C block to conditional format.
16839 2005-03-03  Jan Hubicka  <jh@suse.cz>
16841         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
16842         and non-constant public variables.
16844 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
16846         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
16847         with LABEL_EXPR.
16849         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
16850         EDGE_I.
16852         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
16853         calls to release_ssa_name and release_phi_node.
16855         * fold-const.c (fold): Remove handling of unary expressions.
16857         * fold-const.c (fold_unary): Avoid directly using the original
16858         expression t as much as possible.
16860 2005-03-03  Roger Sayle  <roger@eyesopen.com>
16861             Andrew Pinski  <pinskia@physics.uc.edu>
16863         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
16864         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
16866 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
16868         Describe special registers SRP and MOF as allocatable registers.
16869         * config/cris/cris.c (cris_md_asm_clobbers): New function.
16870         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
16871         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
16872         TARGET_HAS_MUL_INSNS.
16873         (cris_print_operand) <case 'd'>: New case.
16874         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
16875         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
16876         define.
16877         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
16878         (REG_ALLOC_ORDER): Update for MOF.
16879         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
16880         SPECIAL_REGS.
16881         (GENERAL_REGS): No longer a define of ALL_REGS.
16882         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
16883         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
16884         Adjust accordingly.
16885         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
16886         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
16887         (SECONDARY_RELOAD_CLASS): Define.
16888         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
16889         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
16890         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
16891         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
16892         (REGISTER_MOVE_COST): Define.
16893         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
16894         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
16895         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
16896         (CRIS_MOF_REGNUM): New define_constants.
16897         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
16898         special registers.
16899         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
16900         New patterns.
16901         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
16902         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
16903         Adjust for MOF being properly described as a register.
16904         (indir_to_reg_split): Name this split.  Conditionalize on the
16905         destination register being a general register.
16906         (movei): Conditionalize on on operands 0 and 1 having the same
16907         register class.
16909 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
16911         PR target/20277
16912         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
16913         -mcpu to override any other explicitly given flags.
16915 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
16917         * recog.c (verify_changes, confirm_change_group): New functions,
16918         broken out of apply_change_group.
16919         (apply_change_group): Use them.
16920         * recog.h (verify_change, confirm_change_group): Declare.
16921         * rtl.h (redirect_jump_2): Declare.
16922         * jump.c (redirect_exp, invert_exp): Delete.
16923         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
16924         (redirect_jump_2): New function, broken out of redirect_jump.
16925         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
16926         (invert_jump): Use invert_jump_1 and redirect_jump_2.
16927         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
16929 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
16931         * varasm.c (named_section): Use xstrdup rather than doing it by
16932         hand.
16934         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
16936 2005-03-02  Devang Patel  <dpatel@apple.com>
16938         Undo PR tree-optimization/18815 fix.
16940 2005-03-02  Devang Patel  <dpatel@apple.com>
16942         PR tree-optimization/18815
16943         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
16944         loops with zero exit edges.
16946 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
16948         * cfg.c (connect_src, connect_dest, disconnect_src,
16949         disconnct_dest): New.
16950         (unchecked_make_edge, remove_edge, redirect_edge_succ,
16951         redirect_edge_pred): Use the new functions.
16953         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
16954         free_dominance_info only when needed.
16956 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
16958         PR target/20276
16959         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
16960         (reg_or_sub_cint64_operand): Same.
16962 2005-03-02  Jeff Law  <law@redhat.com>
16964         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
16965         CFG_ALTERED in the main DOM iteration loop.
16967 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
16969         PR c++/19916
16970         * varasm.c (initializer_constant_valid_p): Allow conversions
16971         between OFFSET_TYPEs.  Tidy.
16973 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
16975         * config/cris/cris.md ("return"): Remove epilogue delay list
16976         sanity check.
16978 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
16980         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
16981         for Thumb.
16982         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
16984 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
16986         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
16987         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
16988         config/m68k/m68k.c, config/mips/mips.h,
16989         config/rs6000/rs6000-protos.h, doc/contrib.texi,
16990         doc/include/gcc-common.texi: Update copyright.
16992         PR middle-end/18029 and PR middle-end/18030
16993         * expr.c (optimize_bitfield_assignment_op): Add a special case
16994         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
16996         * fold-const.c (fold_unary): New.
16997         (fold): Call fold_unary on unary expressions.
16999 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
17001         * cgraph.h (struct cgraph_edge): Add prev_caller and
17002         prev_callee fields.
17003         (cgraph_node_remove_callees): Export.
17004         * cgraph.c (cgraph_create_edge): Initialize prev_caller
17005         and prev_callee.
17006         (cgraph_edge_remove_callee): New function.
17007         (cgraph_edge_remove_caller): Likewise.
17008         (cgraph_remove_edge): Use.
17009         (cgraph_redirect_edge_callee): Likewise.
17010         (cgraph_node_remove_callees): New function.
17011         (cgraph_node_remove_callers): Likewise.
17012         (cgraph_remove_node): Use.
17013         * tree-optimize.c (tree_rest_of_compilation): Use
17014         cgraph_node_remove_callees instead of manual loop.
17015         * cgraphunit.c (cgraph_finalize_function): Likewise.
17016         (cgraph_expand_function): Likewise.
17017         (cgraph_remove_unreachable_nodes): Likewise.
17019 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
17021         PR c/8927
17022         * c-tree.h (undeclared_variable, build_external_ref): Add extra
17023         argument.
17024         * c-decl.c (undeclared_variable): Take location as argument.
17025         * c-typeck.c (build_external_ref): Likewise.
17026         * c-parser.c (c_parser_postfix_expression): Pass location of
17027         identifier to build_external_ref.
17029 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
17031         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
17032         CCEQ mode for branch_positive_comparison_operator test.
17033         * config/rs6000/predicates (branch_comparison_operator): Revert to
17034         define_predicate.
17035         (scc_comparison_operator): Same.
17036         (branch_positive_comparison_operator): Same.
17038 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
17040         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
17041         (cris_delay_slots_for_epilogue): Remove.
17042         (save_last): Move into cris_target_asm_function_epilogue.
17043         (cris_target_asm_function_epilogue): Remove tests for file being
17044         NULL.
17045         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
17046         (cris_delay_slots_for_epilogue): Remove prototypes.
17047         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
17048         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
17050 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
17052         * config/rs6000/predicates.md (branch_comparison_operator): Change
17053         to define_special_predicate.
17054         (scc_comparison_operator): Same.
17055         (branch_positive_comparison_operator): Same.
17057 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
17059         * Makefile.in (tree-ssa-sink.o): New.
17060         (OBJS-common): Add tree-ssa-sink.o.
17061         * common.opt: Add -ftree-sink
17062         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
17063         * timevar.def (TV_TREE_SINK): new timevar.
17064         * tree-flow.h (is_hidden_global_store): Prototype.
17065         * tree-optimize.c (init_tree_optimization_passes): Add
17066         pass_sink_code.
17067         * tree-pass.h (pass_sink_code): New.
17068         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
17069         for non-obvious global store store to is_hidden_global_store, and
17070         call that new function.
17071         * tree-ssa-sink.c: New file.
17072         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
17073         * doc/passes.texi: Document forward store motion.
17074         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
17075         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
17076         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
17077         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
17079 2005-03-01  Per Bothner  <per@bothner.com>
17081         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
17082         and we have a non-zero column-number, add it to the message.
17083         Also factor out the diagnostic_kind_text.
17085 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
17087         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
17088         flow_loop_pre_header_scan, flow_loop_pre_header_find,
17089         flow_loop_scan): Removed.
17090         (flow_loop_dump): Do not dump removed fields.
17091         (flow_loop_free): Do not free removed fields.
17092         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
17093         (loop_exit_edge_p): New function.
17094         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
17095         num_pre_header_edges, entry_edges, num_entries, exit_edges,
17096         num_exits, exits_doms.
17097         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
17098         LOOP_EDGES, LOOP_ALL): Removed.
17099         (flow_loop_scan): Declaration removed.
17100         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
17101         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
17102         flow_loops_find.
17103         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
17104         (if_convert): Call flow_loops_find and flow_loops_free
17105         when calling mark_loop_exit_edges.
17106         * cfgloopanal.c (mark_loop_exit_edges): Moved from
17107         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
17108         free_dominance_info calls.
17109         * loop-init.c (flow_loops_find): Ditto.
17110         * passes.c (rest_of_handle_branch_prob): Ditto.
17111         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
17112         * loop-unroll.c (analyze_insns_in_loop): Do not use
17113         EDGE_LOOP_EXIT.
17114         * predict.c (predict_loops): Do not call flow_loop_scan.
17115         Use get_loop_exit_edges.
17116         (tree_estimate_probability): Do not pass flags to flow_loops_find.
17117         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
17118         Do not use EDGE_LOOP_EXIT.
17119         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
17120         to bb_with_exit_edge_p.
17121         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
17122         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
17123         to bb_with_exit_edge_p.
17124         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
17125         EDGE_LOOP_EXIT.
17126         * tree-loop-linear.c (linear_transform_loops): Do not call
17127         flow_loop_scan.  Use loop->single_exit.
17128         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
17129         (vect_analyze_loop_form): Do not call flow_loop_scan.
17130         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
17131         loop->single_exit.
17132         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
17133         loop->single_exit.
17134         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
17135         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
17136         slpeel_tree_duplicate_loop_to_edge_cfg,
17137         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
17138         Use loop_preheader_edge and loop->single_exit.  Do not call
17139         flow_loop_scan.
17141 2005-03-01  Nick Clifton  <nickc@redhat.com>
17143         * config/arm/arm.c (thumb_find_work_register): Check all of the
17144         argument registers to see if they are free, and a couple of
17145         special cases where the last argument register but can be proved
17146         to be available during the function's prologue.
17147         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
17148         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
17149         thumb_unexpanded_epilogue): Use unsigned long as the type for the
17150         register bit-mask.
17151         (thumb_compute_save_reg_mask): Likewise.  Also use
17152         thumb_find_work_register() to ensure that there is agreement about
17153         which work register is going to be used in the prologue.
17154         (thumb_output_function_prologue): Use unsigned long as the type
17155         for the register bit-mask.  Also delay pushing the link register if
17156         other high registers are going to be pushed.
17157         (thumb_compute_save_reg_mask, emit_multi_reg_push,
17158         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
17159         redundant prototypes.
17161 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
17163         PR target/19819
17164         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
17165         and after reload in REG+REG indexed addresses without REG_POINTER
17166         set in the base and not set in the index.
17168 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
17170         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
17171         Don't undefine here.
17172         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
17173         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
17174         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
17175         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
17176         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
17177         Delete.
17178         * config.gcc (sh*-*-linux*): Use config/linux.h.
17180 2005-02-28  Dale Johannesen  <dalej@apple.com>
17181             Stan Shebs  <shebs@apple.com>
17183         Rewrite of 64-bit Darwin structure-by-value pass/return.
17184         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
17185         intoffset, use_stack, named.
17186         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
17187         (rs6000_darwin64_record_arg_advance_flush):  New.
17188         (rs6000_darwin64_record_arg_advance_recurse): New.
17189         (rs6000_darwin64_record_arg_flush):  New.
17190         (rs6000_darwin64_record_arg_recurse):  New.
17191         (rs6000_darwin64_record_arg):  New.
17192         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
17193         (function_arg_boundary):  Handle 128-bit aligned structs.
17194         (function_arg_advance):  Rewrite darwin64 struct handling.
17195         (function_arg):  Call rs6000_darwin64_record_arg.
17196         (function_arg_partial_nregs):  Handle darwin64 structs.
17197         (rs6000_darwin64_function_value):  Remove.
17198         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
17200 2005-02-28  Roger Sayle  <roger@eyesopen.com>
17202         PR tree-optimization/20216
17203         * tree-chrec.c (tree_fold_factorial): Delete.
17204         (tree_fold_binomial): Change argument list to take a return type
17205         and change the type of K to unsigned int.  Rewrite to avoid explicit
17206         evaluation of factorials, and (recursively) calling fold to perform
17207         compile-time arithmetic.  Return NULL on (internal) overflow.
17208         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
17209         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
17210         if any intermediate calculation overflows.
17211         (chrec_apply): Update call to chrec_evaluate.
17213 2005-02-28  James E Wilson  <wilson@specifixinc.com>
17215         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
17217 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
17219         PR c/20245
17220         * c-parser.c (c_parser_compound_statement): Return error_mark_node
17221         instead of NULL_TREE on error.
17223 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
17225         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
17226         (EASY_VECTOR_15_ADD_SELF): Remove.
17227         (num_insns_constant_wide): Not static.
17228         (validate_condition_mode): Not static.
17229         (toc_relative_expr_p): Not static.
17230         (legitimate_indirect_address_p): Not static.
17231         (macho_lo_sum_memory_operand): Not static.
17232         (invalid_e500_subreg): Not static.
17233         (easy_vector_same): Not static.
17234         (easy_vector_splat_const): Not static.
17235         (RS6000_SYMBOL_REF_TLS_P): Remove.
17236         (any_operand): Delete.
17237         (any_parallel_operand): Delete.
17238         (count_register_operand): Delete.
17239         (altivec_register_operand): Delete.
17240         (xer_operand): Delete.
17241         (s8bit_cint_operand): Delete.
17242         (short_cint_operand): Delete.
17243         (u_short_cint_operand): Delete.
17244         (non_short_cint_operand): Delete.
17245         (exact_log2_cint_operand): Delete.
17246         (gpc_reg_operand): Delete.
17247         (cc_reg_operand): Delete.
17248         (cc_reg_not_cr0_operand): Delete.
17249         (reg_or_short_operand): Delete.
17250         (reg_or_neg_short_operand): Delete.
17251         (reg_or_aligned_short_operand): Delete.
17252         (reg_or_u_short_operand): Delete.
17253         (reg_or_cint_operand): Delete.
17254         (reg_or_arith_cint_operand): Delete.
17255         (reg_or_add_cint64_operand): Delete.
17256         (reg_or_sub_cint64_operand): Delete.
17257         (reg_or_logical_cint_operand): Delete.
17258         (got_operand): Delete.
17259         (got_no_const_operand): Delete.
17260         (easy_fp_constant): Delete.
17261         (easy_vector_constant): Delete.
17262         (easy_vector_constant_add_self): Delete.
17263         (zero_constant): Delete.
17264         (zero_fp_constant): Delete.
17265         (volatile_mem_operand): Delete.
17266         (offsettable_mem_operand): Delete.
17267         (mem_or_easy_const_operand): Delete.
17268         (add_operand): Delete.
17269         (non_add_cint_operand): Delete.
17270         (logical_operand): Delete.
17271         (non_logical_cint_operand): Delete.
17272         (mask_operand): Delete.
17273         (mask_operand_wrap): Delete.
17274         (mask64_operand): Delete.
17275         (mask64_2_operand): Delete.
17276         (and64_operand): Delete.
17277         (and64_2_operand): Delete.
17278         (and_operand): Delete.
17279         (reg_or_mem_operand): Delete.
17280         (lwa_operand): Delete.
17281         (symbol_ref_operand): Delete.
17282         (call_operand): Delete.
17283         (current_file_function_operand): Delete.
17284         (input_operand): Delete.
17285         (rs6000_nonimmediate_operand): Delete.
17286         (rs6000_tls_symbol_ref): Delete.
17287         (save_world_operation): Delete.
17288         (restore_world_operation): Delete.
17289         (load_multiple_operation): Delete.
17290         (store_multiple_operation): Delete.
17291         (vrsave_operation): Delete.
17292         (mfcr_operation): Delete.
17293         (mtcrf_operation): Delete.
17294         (lmw_operation): Delete.
17295         (stmw_operation): Delete.
17296         (branch_comparison_operator): Delete.
17297         (branch_positive_comparison_operator): Delete.
17298         (scc_comparison_operator): Delete.
17299         (trap_comparison_operator): Delete.
17300         (boolean_operator): Delete.
17301         (boolean_or_operator): Delete.
17302         (min_max_operator): Delete.
17303         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
17304         (EASY_VECTOR_15): Moved to here.
17305         (EASY_VECTOR_15_ADD_SELF): Move to here.
17306         (PREDICATE_CODES): Delete.
17307         * config/rs6000/rs6000-protos.h: Delete predicate functions.
17308         Declare functions no longer static.
17309         * config/rs6000/predicates.md: New.
17310         * config/rs6000/rs6000.md: Include predicates.md
17312 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
17314         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
17315         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
17316         REG_ALWAYS_RETURN.
17317         * cfgrtl.c (need_fake_edge_p): Likewise.
17318         * combine.c (distribute_notes): Likewise.
17319         * emit-rtl.c (try_split): Likewise.
17320         * recog.c (peephole2_opimize): Likewise.
17321         * reg-notes.def (ALWAYS_RETURN): Remove.
17322         * rtl.h (LCT_ALWAYS_RETURN): Remove.
17323         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
17324         * tree.h (ECF_ALWAYS_RETURN): Remove.
17326 2005-02-28  Roger Sayle  <roger@eyesopen.com>
17328         PR middle-end/19874
17329         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
17330         between different machine modes is never a "useless" conversion.
17332 2005-02-28  Geert Bosch  <bosch@gnat.com>
17334         PR ada/15977
17335         * doc/contrib.texi: List contributors for Ada front end
17337 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
17339         * simplify-rtx.c (simplify_unary_operation_1,
17340         simplify_const_unary_operation): New, extracted from...
17341         (simplify_unary_operation): ... this one.
17342         (simplify_binary_operation_1,
17343         simplify_const_binary_operation): New, extracted from...
17344         (simplify_binary_operation): ... this one.
17345         * rtl.h (simplify_const_unary_operation,
17346         simplify_const_binary_operation): Add prototypes.
17348 2005-02-28  Julian Brown  <julian@codesourcery.com>
17350         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
17351         building libjava and caused PR regression/20228.
17353 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
17355         PR bootstrap/17383
17356         * Makefile.in (host_subdir): New.
17357         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
17358         * configure: Regenerate.
17360 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
17362         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
17363         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
17364         installation directory first.
17366 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
17368         PR target/19065.
17369         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
17370         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
17371         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
17372         * config/cris/cris.md: Tweak comments referring to Q.
17373         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
17374         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
17375         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
17376         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
17377         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
17378         Insert spaces in constraints to align alternatives vertically for
17379         readability.
17380         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
17381         operand 1: "M".
17383 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17385         PR rtl-optimization/17728
17386         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
17387         operand 0 from general_operand to move_dest_operand.
17389 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17391         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
17392         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
17393         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
17394         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
17396 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
17398         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
17399         * configure: Regenerate.
17400         * libada-mk.in: Remove CC; rename
17401         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
17403 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
17405         PR tree-opt/20188
17406         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
17407         for the lhs, also walk over the tree.  Likewise for rhs.
17409 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
17411         * tree-ssa-dom.c (simple_iv_increment_p): New function.
17412         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
17413         Do not propagate value of iv before increment over the increment.
17415 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
17417         * c-parser.c: New file.
17418         * c-parse.in: Remove.
17419         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
17420         Remove.
17421         (c-parser.o): Add dependencies.
17422         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
17423         maintainer-clean, TAGS): Update.
17424         * c-config-lang.in (gtfiles): Update.
17425         * gengtype-lex.l: Don't handle "@@".
17426         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
17427         objc_build_synchronized, objc_begin_try_stmt,
17428         objc_begin_catch_clause, objc_finish_catch_clause,
17429         objc_build_finally_clause, objc_finish_try_stmt): New.
17430         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
17431         type_seen_p.
17432         (c_parse_init): Update comment.
17433         * c-decl.c (c_init_decl_processing): Update comment.
17434         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
17435         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
17436         new c_declspecs members.
17438 2005-02-25  Julian Brown  <julian@codesourcery.com>
17440         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
17441         from being used for symbols with vague linkage when
17442         HAVE_GAS_COMDAT_GROUP is true.
17444 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
17446         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
17448 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
17450         PR target/19930
17451         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
17452         (LIBGCC2_HAS_DF_MODE): New.
17453         (LIBGCC2_HAS_XF_MODE): New.
17454         (LIBGCC2_HAS_TF_MODE): New.
17455         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
17456         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
17457         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
17458         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
17459         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
17460         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
17461         and add _fixtfdi, _fixunstfdi, _floatditf
17462         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
17463         L_fixunstfdi, L_floatditf.
17464         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
17465         (LIBGCC2_HAS_TF_MODE): Define.
17467 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
17469         PR tree-optimization/20204
17470         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
17471         REWRITE_THIS_STMT markers on PHI nodes.
17472         (rewrite_initialize_block): Likewise.
17474 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
17476         * version.c (version_string): Update to 4.1.
17478 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
17480         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
17481         Clarify that the alternative way doesn't work in GNU C++.
17483 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
17485         PR tree-optimization/19937
17486         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
17487         to the type of the induction variable.
17489 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
17491         PR rtl-optimization/20117
17492         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
17493         the block including noncopyable insn.
17495 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
17497         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
17498         calls to find_reg_note.
17500 2005-02-24  Richard Henderson  <rth@redhat.com>
17502         PR tree-opt/20127
17503         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
17504         the type.
17506 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
17508         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
17509         vector types if to use base reg for misaligned non-word ld/std.
17511 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
17513         PR target/14619
17514         * config/cris/cris.c (cris_target_asm_function_prologue): Create
17515         dwarf2 label manually and put it after, not before the prologue.
17517 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
17519         PR target/19019
17520         * reload.c (operands_match_p): Only increment register number for
17521         SCALAR_INT_MODE_P modes in multiple hard registers.
17523         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
17524         Fix formatting.
17526 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
17528         * ChangeLog.5: Fix log message typo(s).
17529         * ChangeLog.7: Likewise.
17530         * ChangeLog.tree-ssa: Likewise.
17531         * cfgexpand.c: Fix comment typo(s).
17532         * conflict.c: Likewise.
17533         * defaults.h: Likewise.
17534         * dwarf2out.c: Likewise.
17535         * gcse.c: Likewise.
17536         * ggc-page.c: Likewise.
17537         * tree-eh.c: Likewise.
17538         * tree-ssa-dom.c: Likewise.
17540 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
17542         PR target/19019
17543         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
17544         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
17545         if SHARED is defined.
17547         PR target/20196
17548         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
17549         allow splitting only if operands 0 and 3 don't overlap.
17551 2005-02-24  Richard Henderson  <rth@redhat.com>
17553         PR middle-end/19953
17554         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
17555         (fold_builtin_1): Call them.
17556         * fold-const.c (fold_complex_mult_parts): Split out from ...
17557         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
17558         (fold_complex_div_parts, fold_complex_div): New.
17559         (fold): Use them.
17560         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
17562 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
17564         * tree-ssa-ccp.c (visit_assignment): Verify that result of
17565         VIEW_CONVERT_EXPR is_gimple_min_invariant.
17567         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
17568         (print_node): Likewise.
17569         Print TYPE_SIZES_GIMPLIFIED.
17571 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
17573         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
17574         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
17575         operands as commutative in constraints.
17577 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
17579         * tree-into-ssa.c: Re-organize internal functions.
17581 2005-02-24  Richard Henderson  <rth@redhat.com>
17583         PR middle-end/18902
17584         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
17585         for c99.
17586         * common.opt (fcx-limited-range): New.
17587         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
17588         * toplev.c (flag_complex_method): Initialize to 1.
17589         (process_options): Set flag_complex_method to 0 if
17590         flag_cx_limited_range.
17591         * doc/invoke.texi (-fcx-limited-range): New.
17593 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
17595         * cse.c (delete_trivially_dead_insns): Speed up by using
17596         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
17597         prev_real_insn.
17599 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
17601         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
17602         functions when -mid-shared-library is being used.
17604 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
17606         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
17607         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
17608         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
17609         * system.h: Poison LINK_LIBGCC_SPECIAL.
17611 2005-02-23  James E Wilson  <wilson@specifixinc.com>
17613         * gengtype.c (note_insn_name): Make 1 element larger.
17615 2005-02-23  Roger Sayle  <roger@eyesopen.com>
17617         PR target/20018
17618         PR rtl-optimization/20097
17619         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
17620         BImode SUBREGs of SImode registers which confuse the ia64 backend.
17622 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
17624         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
17625         * t-aix52 (SHLIB_INSTALL): Same.
17627 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
17629         * genpreds.c: Update copyright.
17631 2005-02-23  Michael Beach  <michaelb@ieee.org>
17633         PR target/20159
17634         * config/sparc/t-elf (startup files): Assemble with CPP.
17636 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
17638         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
17639         (write_predicate_expr): Likewise.
17641 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
17643         PR tree-optimization/20100
17644         PR tree-optimization/20115
17645         * tree-optimize.c (init_tree_optimization_passes): Remove
17646         pass_maybe_create_global_var.
17647         * tree-pass.h (pass_maybe_create_global_var): Remove.
17648         * tree-ssa-alias.c (aliases_computed_p): Declare.
17649         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
17650         (count_calls_and_maybe_create_global_var): Remove.
17651         (pass_maybe_create_global_var): Remove.
17652         (init_alias_info): Do not declare aliases_computed_p.
17653         (maybe_create_global_var): If the function contains no
17654         call-clobbered variables and a mix of pure/const and regular
17655         function calls, create .GLOBAL_VAR.
17656         Mark all call-clobbered variables for renaming.
17657         (merge_pointed_to_info): Update comment.
17658         (add_pointed_to_var): Likewise.
17659         (is_escape_site): Likewise.
17660         Accept struct alias_info * instead of size_t *.
17661         Update all users.
17662         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
17663         as necessary.
17664         * tree-ssa-operands.c (get_call_expr_operands): If
17665         ALIASES_COMPUTED_P is false, do not add call-clobbering
17666         operands.
17667         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
17668         (delete_tree_ssa): Likewise.
17670 2005-02-22  James E Wilson  <wilson@specifixinc.com>
17672         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
17673         (do_compile): Do call it here.
17675 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
17677         PR rtl-optimization/20017.
17678         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
17679         rest_of_handle_cse2, rest_of_handle_gcse): Call
17680         delete_dead_jumptables immediately before calling cleanup_cfg.
17682 2005-02-22  Devang Patel  <dpatel@apple.com>
17684         PR 19952
17685         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
17686         all labels
17688 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
17690         * config/rs6000/aix.h (WINT_TYPE): Define.
17692 2005-02-22  Stan Shebs  <shebs@apple.com>
17694         * config/rs6000/rs6000.c (rs6000_override_options): Default to
17695         natural alignment for 64-bit Darwin.
17696         (rs6000_parse_alignment_option): Warn about uses of -malign-power
17697         on 64-bit Darwin.
17698         * doc/invoke.texi: Document this.
17700 2005-02-22  DJ Delorie  <dj@redhat.com>
17702         * c-common.c (c_common_type_for_mode): Pass the mode's precision
17703         to make_[un]signed_type, not the mode itself.
17705 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
17707         * cfg.c (cached_make_edge): Call make_edge if edge cache is
17708         not available.  Use tail calls wherever possible.
17709         (make_edge): Call unchecked_make_edge to create an edge.
17711         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
17712         (coalesce_ssa_name): Don't check for
17713         SSANORM_USE_COALESCE_LIST.
17714         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
17716 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
17718         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
17719         (rewrite_into_ssa): ... here.
17721 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
17723         PR tree-optimization/19786
17724         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
17725         tag to another's may-alias bitmap when adding to the other's list.
17727 2005-02-21  DJ Delorie  <dj@redhat.com>
17729         * tree-ssa-loop-ivopts.c (computation_cost): Start register
17730         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
17731         registers in unsupported ways.
17732         * expmed.c (init_expmed): Likewise.
17734 2005-02-21  Stan Cox  <scox@redhat.com>
17736         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
17738 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
17740         * tree-cfg.c (fold_cond_expr_cond): New.
17741         (make_edges): Call fold_cond_expr_cond.
17742         (find_taken_edge): Accept nothing but INTEGER_CST.
17743         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
17744         and 1.
17745         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
17747         * flow.c (delete_dead_jumptables): Speed up by scanning insns
17748         that do not belong to any basic block.
17750 2005-02-21  Jeff Law  <law@redhat.com>
17752         * cfganal.c (find_unreachable_blocks): Manually CSE load of
17753         e->dest.
17755 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
17757         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
17758         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
17759         Adjust their definitions.
17760         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
17761         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
17763         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
17764         genautomata.c, langhooks.c, langhooks.h, system.h,
17765         config/arm/lib1funcs.asm: Update copyright.
17767 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
17769         * dbxout.c (dbxout_function_end): Emit Lscope label always.
17771 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
17773         PR bootstrap/13770
17774         * doc/install.texi: Document --with-gc.
17776 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
17778         * simplify-rtx.c (simplify_unary_operation): Add a missing
17779         "break" statement.
17781 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
17783         PR tree-optimization/18663
17784         * tree-ssa-dom.c (extract_range_from_cond): Return 0
17785         if the type has variable bounds.
17787 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
17789         * gcse.c: Remove an obsolete comment.
17791         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
17793 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
17795         * doc/extend.texi (Function Attributes) <Attribute const>: The
17796         attribute "pure" is below this text, not above.
17798 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
17800         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
17801         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
17802         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
17804 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
17806         PR 18785
17807         * langhooks.h (struct lang_hooks): Add to_target_charset.
17808         * langhooks.c (lhd_to_target_charset): New function.
17809         * langhooks-def.h: Declare lhd_to_target_charset.
17810         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
17811         (LANG_HOOKS_INITIALIZER): Update.
17812         * c-common.c (c_common_to_target_charset): New function.
17813         * c-common.h: Declare it.
17814         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
17815         c_common_to_target_charset.
17817         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
17818         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
17819         Delete definitions.
17820         * system.h: Poison them.
17821         * doc/tm.texi: Don't discuss them.
17822         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
17823         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
17824         (pp_c_char): Do not attempt to generate letter escapes for
17825         newline, tab, etc.
17826         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
17827         * config/mips/mips.c (mips_output_ascii): Likewise.
17829 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
17831         PR tree-optimization/19951
17832         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
17833         is abnormal.
17835 2005-02-19  Steven Bosscher  <stevenb@suse.de>
17837         PR middle-end/19698
17838         * function.h (struct function): New field `max_loop_depth'.
17839         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
17840         (flow_loops_find): Reset the max loop depth count before finding loops.
17841         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
17842         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
17843         (calculate_global_regs_live): Make sure the loop will terminate
17844         when the initial sets are not empty.
17846 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
17848         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
17849         object inside.
17850         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
17852 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
17854         PR other/19525
17855         * doc/invoke.texi: Remove documentation of %M spec.
17856         * gcc.c: Likewise.
17857         (init_spec): Remove %M suffix from -lgcc_s.
17858         (do_spec_1): Remove 'M' case.
17859         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
17860         to put shared libraries in the multilib directory.  Remove the
17861         shlib_so_soname substitution variable.  Don't add a multilib encoding
17862         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
17863         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
17864         SHLIB_INSTALL as well as SHLIB_LINK.
17865         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
17866         (SHLIB_NAME): Delete.
17867         (SHLIB_DIR): New macro.
17868         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
17869         (SHLIB_INSTALL): Adjust accordingly.
17870         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
17871         * config/t-slibgcc-sld: Likewise.
17872         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
17873         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
17874         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
17875         in $(SHLIB_DIR).
17876         (SHLIBUNWIND_INSTALL): Adjust accordingly.
17877         * config/i386/t-nwld (SHLIB_SONAME): Delete.
17878         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
17879         Use @shlib_base_name@ instead of @shlib_so_name@.
17880         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
17881         and @shlib_base_name@.so in @multilib_dir@.
17882         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
17883         to the install path.
17884         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
17885         (SHLIB_LINK): Remove previous workaround.
17886         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
17887         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
17888         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
17889         the install path.
17890         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
17891         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
17892         (SHLIB_INSTALL): Adjust accordingly.
17893         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
17894         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
17895         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
17896         config/t-slibgcc-elf-ver.
17898 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
17899             Jakub Jelinek  <jakub@redhat.com>
17901         PR tree-optimization/19828
17902         * tree-ssa-loop-im.c: Add a TODO comment.
17903         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
17904         without side-effects.
17906 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
17908         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
17909         call fold_convert.
17911 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
17913         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
17914         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
17915         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
17916         functions.
17917         (ia64_reorg): Delete fixup_errata call.
17918         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
17919         (TARGET_SWITCHES): Delete -mb-step entry.
17921 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
17923         PR c/20043
17924         * c-typeck.c (composite_type): Handle quals in transparent unions.
17925         (type_lists_compatible_p): Likewise.
17927 2005-02-18  Stan Shebs  <shebs@apple.com>
17929         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
17930         expressions in the .literal8 section.
17932 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
17934         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
17936 2005-02-18  Roger Sayle  <roger@eyesopen.com>
17938         * fold-const.c (constant_boolean_node): Always create values of the
17939         specified type, don't bother calling truthvalue_conversion.
17941 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
17943         * except.c (output_function_exception_table): Call
17944         assemble_external_libcall (eh_personality_libfunc).
17946 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
17948         PR target/19886
17949         * config/ia64/ia64.h (struct machine_function): Add state_num.
17950         * config/ia64/ia64.c (process_epilogue,
17951         process_for_unwind_directive): Use new unwind state numbers each
17952         time rather than state 1.
17954 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
17956         PR target/20054
17957         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
17958         before the "*llgt_didi" pattern.
17960 2005-02-18  Jason Merrill  <jason@redhat.com>
17962         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
17964 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
17966         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
17967         (div0): Use it in place of ARM_FUNC_ALIAS.
17968         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
17970 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
17972         PR middle-end/20030
17973         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
17974         access, the lower bound of the array type if it exists.
17976 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
17978         PR c++/20008
17979         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
17980         cases that are out-of-range for the index type.
17982 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
17984         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
17985         (estimate_case_costs): Don't call convert.
17986         * expmed.c (expand_shift): Likewise.
17987         (make_tree): Call fold_convert instead of convert.
17989 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
17991         PR c++/19813
17992         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
17993         that ref to be marked MEM_READONLY_P doesn't have base that needs
17994         constructing.
17996 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
17998         * genautomata.c (output_get_cpu_unit_code_func,
17999         output_cpu_unit_reservation_p): Don't generate old-style function
18000         definitions.
18002 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
18004         PR c++/20023
18005         PR tree-optimization/20009
18006         * convert.c (convert_to_integer): Revert 2005-02-16 change.
18008         PR tree-optimization/18947
18009         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
18010         inline, remove all nodes that are inlined into the extern inline
18011         being redefined.
18013 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
18015         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
18016         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
18017         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
18018         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
18019         Update copyright.
18021 2005-02-17  Roger Sayle  <roger@eyesopen.com>
18023         PR tree-optimization/19917
18024         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
18025         to be potentially trapping.
18027 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
18029         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
18031 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
18033         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
18034         tem becomes a local variable which is set to the value of the
18035         back end defined INITIAL_FRAME_ADDRESS macro.
18036         (expand_builtin_frame_address): Omit the base parameter to
18037         expand_builtin_return_addr.
18038         (expand_builtin_profile_func): Likewise.
18039         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
18040         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
18041         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
18043 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
18045         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
18046         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
18047         * config/frv/frv.c (frv_function_epilogue): Likewise.
18049 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
18051         * lambda-code (perfect_nestify): Remove mark/unmark
18052         for rewriting hack.
18053         * tree-loop-linear.c (linear_transform_loops): Add
18054         rewrite_into_ssa call so that ssa is correct for
18055         rewriting into loop closed.
18057 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
18059         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
18060         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
18061         BITMAP_FREE.
18062         * bt-load.c (btr_def_live_range, combine_btr_defs,
18063         migrate_btr_def, migrate_btr_defs): Likewise.
18064         * cfgcleanup.c (thread_jump): Likewise.
18065         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
18066         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
18067         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
18068         df_rd_local_compute, df_reg_info_compute): Likewise.
18069         * dominance.c (init_dom_info, free_dom_info): Likewise.
18070         * flow.c (init_propagate_block_info,
18071         free_propagate_block_info): Likewise.
18072         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
18073         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
18074         modify_reg_pav): Likewise.
18075         * loop-invariant.c (find_defs, find_invariant_insn,
18076         find_invariants, free_inv_motion_data): Likewise.
18077         * predict.c (tree_predict_by_opcode,
18078         estimate_bb_frequencies): Likewise.
18079         * stmt.c (expand_case): Likewise.
18080         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
18081         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
18082         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
18083         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
18084         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
18085         rewrite_ssa_into_ssa): Likewise.
18086         * tree-optimize.c (tree_rest_of_compilation): Likewise.
18087         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
18088         analyze_edges_for_bb, perform_edge_inserts): Likewise.
18089         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
18090         * tree-sra.c (tree_sra): Likewise.
18091         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
18092         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
18093         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
18094         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
18095         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
18096         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
18097         Likewise.
18098         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
18099         calculate_live_on_entry, calculate_live_on_exit,
18100         build_tree_conflict_graph): Likewise.
18101         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
18102         record_important_candidates, set_use_iv_cost, find_depends,
18103         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
18104         tree_ssa_iv_optimize_finalize): Likewise.
18105         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
18106         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
18107         tree_duplicate_loop_to_header_edge): Likewise.
18108         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
18109         * tree-ssa.c (verify_flow_insensitive_alias_info,
18110         verify_name_tags, verify_ssa, init_tree_ssa,
18111         delete_tree_ssa): Likewise.
18112         * tree-ssanames.c (marked_ssa_names, init_ssanames,
18113         fini_ssanames): Likewise.
18114         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
18116 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
18118         * config/rs6000/t-rtems: Completely reworked.
18120 2005-02-17  Ira Rosen  <irar@il.ibm.com>
18122         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
18124 2005-02-17  Ira Rosen  <irar@il.ibm.com>
18126         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
18127         POINTER_TYPE_P when checking that type is a pointer.
18128         (vect_get_memtag): Remove.
18129         (vect_address_analysis): Use POINTER_TYPE_P. Call
18130         vect_object_analysis with dummy parameter for memtag.
18131         (vect_object_analysis): Extract memtag (functionality that
18132         used to be in vect_get_memtag and moved here). Fix printings.
18133         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
18134         with correct parameters. Remove call to vect_get_memtag.
18136 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
18138         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
18139         (tree-vectorizer.o): Added missing dependencies.
18141         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
18142         decleration.
18143         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
18144         declaration in tree-vectorizer.c, now has an extern declaration in
18145         tree-vectorizer.h).
18146         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
18147         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
18148         get_vectype_for_scalar_type, vect_is_simple_use,
18149         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
18150         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
18151         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
18152         vectorizable_store, vectorizable_operation, vectorizable_assignment,
18153         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
18154         find_loop_location): Likewise.
18156         * tree-vectorizer.c (langhooks.h): #include removed.
18157         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
18158         moved to tree-vectorized.h.
18159         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
18160         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
18161         get_vectype_for_scalar_type, vect_is_simple_use,
18162         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
18163         vect_supportable_dr_alignment, new_loop_vec_info,
18164         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
18165         vect_set_verbosity_level, find_loop_location): Likewise.
18167         (vect_analyze_loop): Function externalized. Declaration moved to
18168         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
18169         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
18170         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
18171         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
18172         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
18173         vect_enhance_data_refs_alignment, vect_analyze_operations,
18174         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
18175         vect_stmt_relevant_p, vect_get_loop_niters,
18176         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
18177         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
18178         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
18179         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
18180         vect_get_memtag): Likewise.
18182         (vectorizable_load): Function externalized. Declaration moved to
18183         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
18184         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
18185         vect_transform_loop): Likewise.
18186         (vect_transform_stmt): Moved to tree-vect-transform.c.
18187         (vect_align_data_ref, vect_create_destination_var,
18188         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
18189         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
18190         vect_get_vec_def_for_operand, vect_init_vector,
18191         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
18192         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
18193         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
18194         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
18195         vect_do_peeling_for_loop_bound): Likewise.
18197         * tree-vect-analyze.c: New file.
18198         * tree-vect-transform.c: New file.
18200 2005-02-17  Jason Merrill  <jason@redhat.com>
18202         PR mudflap/19319, c++/19317
18203         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
18204         slot explicit.
18206 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
18208         * doc/install.texi (Specific): Update link for Darwin-specific
18209         tool binary site.
18211 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
18213         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
18214         constant_boolean_node.
18216 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
18218         PR target/19019
18219         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
18220         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
18222 2005-02-16  Richard Henderson  <rth@redhat.com>
18224         PR 19920
18225         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
18226         with W_TYPE_SIZE.
18227         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
18228         replace uses with Wtype_MAXp1_F.
18229         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
18230         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
18231         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
18232         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
18233         and HAVE_TFMODE as appropriate.
18234         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
18235         (__floatdisf): Likewise.
18236         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
18237         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
18238         (Wtype_MAXp1_F): New.
18239         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
18240         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
18242 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
18244         * PR target/19162
18245         * arm.c (arm_apply_result_size): New function.
18246         * arm.h (APPLY_RESULT_SIZE): Define.
18247         * arm-protos.h (arm_apply_result_size): Add prototype.
18248         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
18249         (movxf): New expand.
18250         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
18251         (call_value_symbol): Remove predicate for operand 0.
18252         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
18253         (untyped_call): Rework to correclty return values for any type.
18254         (untyped_return): New expand.
18255         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
18257 2005-02-16  Stan Shebs  <shebs@apple.com>
18259         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
18260         * config/rs6000/t-darwin8: New, for 64-bit multilib.
18262 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
18264         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
18265         configure settings on Solaris 7 and later.
18267 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
18269         PR tree-optimization/19865
18270         * tree-optimize.c (init_tree_optimization_passes): Run
18271         pass_may_alias after pass_sra.
18273 2005-02-16  Richard Henderson  <rth@redhat.com>
18274             Stuart Hastings  <stuart@apple.com>
18276         PR debug/19521
18277         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
18278         Do nothing if debug info suppressed for this function.
18279         (dbxout_begin_function): Early exit if debug info suppressed for
18280         this function.
18282 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
18284         PR target/20007
18285         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
18286         find_basic_blocks.
18287         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
18289         PR tree-optimization/19967
18290         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
18291         expand_builtin_strchr, expand_builtin_strrchr): Take a new
18292         argument TYPE.  Adjust calls to fold_builtin_XXX.
18293         (expand_builtin, fold_builtin_1): Adjust calls to
18294         expand_builtin_XXX.
18295         (fold_builtin_strchr, fold_builtin_strpbrk,
18296         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
18297         result to a requested type TYPE.
18299 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
18301         PR middle-end/19857
18302         * fold-const.c (fold): Don't optimize (T)(x & cst) to
18303         (T)x & (T)cst if (T)cst overflows.
18304         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
18305         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
18307 2005-02-15  Jeff Law  <law@redhat.com>
18309         * gcse.c (blocks_with_calls): New bitmap.
18310         (alloc_gcse_mem): Allocate it.
18311         (free_gcse_mem): Free it.
18312         (clear_modifY_mem_tables): Clear it.
18313         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
18314         when we encounter CALL_INSNs.
18315         (compute_transp, case MEM): Handle blocks with calls separate
18316         from blocks without calls.  Use bitmap iterators rather than
18317         FOR_EACH_BB.
18319 2005-02-15  Peter O'Gorman  <peter@pogma.com>
18321         PR bootstrap/18810
18322         * mklibgcc.in (vis_hide): Use a temporary object file, not
18323         -o /dev/null.
18325 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
18327         PR target/19924
18328         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
18329         access optimization.
18331 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
18332             Alan Modra  <amodra@bigpond.net.au>
18334         PR target/19019
18335         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
18336         (_xlqsub): Rename to __gcc_qsub.
18337         (_xlqmul): Rename to __gcc_qmul.
18338         (_xlqdiv): Rename to __gcc_qdiv.
18339         Provide versioned symbol aliases with old names.
18340         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
18341         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
18342         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
18343         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
18344         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
18346 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
18348         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
18349         Fold ~(A - 1) and ~(A + -1) to -A.
18351 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
18353         PR pch/14940
18354         PR target/19300
18355         * config/host-linux.c (linux_gt_pch_use_address): Copy from
18356         config/pa/pa-host.c:pa_gt_pch_use_address.
18358 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
18360         * tree-vn.c (get_value_handle): Make sure that given an
18361         is_gimple_min_invariant expression, we always return it.
18363 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
18365         * passes.c (rest_of_handle_gcse): Fix a comment.
18367 2005-02-15  Jeff Law  <law@redhat.com>
18369         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
18370         bitmap.
18371         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
18372         (canon_list_insert, record_last_mem_set_info): Similarly.
18373         (clear_modify_mem_tables): Similarly.
18375 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
18377         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
18378         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
18379         config/mips/mips.md, config/rs6000/aix.h,
18380         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
18382 2005-02-15  Richard Henderson  <rth@redhat.com>
18384         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
18385         call to be best_edge.
18387 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
18389         * basic-block.h: Adjust the prototype for find_basic_blocks.
18390         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
18391         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
18392         find_basic_blocks.
18394         * flow.c (recompute_reg_usage): Remove all arguments.
18395         * passes.c (rest_of_compilation): Adjust the call to
18396         recompute_reg_usage.
18397         * rtl.h: Adjust the prototype for recompute_reg_usage.
18399 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
18401         * tree-dump.c (dump_files): Update to reflect new member
18402         of dump_file_info.
18403         (dump_register): Add new argument.
18404         Set glob name.
18405         (dump_switch_p_1): Check against glob name if doglob was passed.
18406         (dump_switch_p): Check against regular first, then glob if
18407         we didn't have any hits on the dump name.
18408         * tree-optimize.c (register_one_dump_file):
18409         Pass in glob name as well.
18410         * tree-pass.h (struct dump_file_info): Add glob
18411         member.
18413 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
18415         PR preprocessor/16323
18416         * doc/invoke.texi: Document that -Wendif-labels is on by default.
18418 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
18420         PR target/19019
18421         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
18422         (trunctfdf2_internal1): New.
18423         (trunctfdf2_internal2): Renamed from trunctfdf2.
18425 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
18427         PR tree-optimization/19853
18428         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
18430 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
18432         * passes.c (rest_of_handle_loop_optimize): Remove calls to
18433         delete_dead_jumptables and cleanup_cfg.
18435 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
18437         * reload.c (find_reloads): Swap address_reloaded flags when
18438         swapping commutative operands.
18440 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
18442         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
18443         Use standard_iv_increment_position for computing the bsi position
18444         for create_iv.
18445         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
18446         the bsi position.
18448 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
18450         PR target/17428
18451         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
18452         life range of hard registers.
18453         * value-prof.c (insn_prefetch_values_to_profile): Only
18454         scan normal insns.
18456         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
18457         profile in libcalls.
18459 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
18461         * bitmap.h (bitmap_and_compl_into): Return bool.
18462         * bitmap.c (bitmap_and_compl_into): Return changed flag.
18464 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
18466         PR tree-optimization/19944
18467         * fold-const.c (fold): Re-add ABS_EXPR folding.
18469 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
18471         PR target/19019
18472         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
18473         {TARGET,MASK}_XL_COMPAT.
18474         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
18475         MASK_XL_COMPAT.
18476         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
18477         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
18478         TARGET_XL_COMPAT.
18479         (rs6000_arg_partial_bytes): Same.
18480         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
18481         and XL compatibility enabled.
18482         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
18483         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
18484         test to final condition.
18485         (cmptf_internal2): New.
18486         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
18487         xl-compat.  Add TFmode information to description.
18489 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
18491         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
18493 2005-02-13  Jason Merrill  <jason@redhat.com>
18495         PR c++/16405
18496         * fold-const.c (fold_indirect_ref_1): Split out from...
18497         (build_fold_indirect_ref): Here.
18498         (fold_indirect_ref): New fn.
18499         * tree.h: Declare it.
18500         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
18501         (gimplify_modify_expr_rhs): Likewise.
18502         (gimplify_expr): Likewise.
18504 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
18506         PR tree-optimization/14303
18507         PR tree-optimization/15784
18508         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
18509         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
18510         ABS_EXPR<x> != 0 to x != 0.
18512 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
18514         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
18515         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
18516         spelling conventions.
18518         * passes.c (rest_of_handle_gcse): Don't run cse_main and
18519         delete_trivially_dead_insns too many times.
18521         * passes.c (rest_of_handle_gcse): Remove dead assignments to
18522         tem and tem2.
18524 2005-02-12  Ira Rosen  <irar@il.ibm.com>
18526         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
18527         (vect_is_simple_iv_evolution): Remove redundant parameter
18528         and step check.
18529         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
18530         without last parameter.
18531         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
18532         Return pointer step. Call vect_is_simple_iv_evolution without
18533         last parameter. Check only that the step is multiple of size
18534         type. Remove stmt_vinfo updates.
18535         (vect_get_memtag_and_dr): Remove.
18536         (vect_get_memtag): New function.
18537         (vect_address_analysis): New function.
18538         (vect_object_analysis): New function.
18539         (vect_analyze_data_refs): Call vect_object_analysis and
18540         vect_get_memtag. Update stmt_vinfo fields.
18542 2005-02-12  Ira Rosen  <irar@il.ibm.com>
18544         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
18545         exist and are objects. Remove checks for pointer.
18546         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
18547         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
18548         (vect_create_data_ref_ptr): Likewise.
18549         (vect_base_addr_differ_p): New function.
18550         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
18551         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
18552         Don't set the DR_BASE_NAME field of data-ref.
18553         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
18555 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
18557         * optabs.h (enum optab_index): Add new OTI_ldexp.
18558         (ldexp_optab): Define corresponding macro.
18559         * optabs.c (init_optabs): Initialize ldexp_optab.
18560         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
18561         patterns.
18562         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
18563         using ldexp_optab.
18564         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
18565         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
18567         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
18568         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
18569         intrinsics.
18571 2005-02-12  Ira Rosen  <irar@il.ibm.com>
18573         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
18574         to base_address.
18575         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
18576         stmt_vec_info.
18577         (vect_get_base_and_offset): Always return an address.
18578         (vect_create_addr_base_for_vector_ref): Remove treatment for
18579         different data reference types.
18580         (vect_compute_data_ref_alignment): Rename base to base_address in
18581         stmt_vec_info. Get the object in order to force its alignment.
18582         (vect_get_memtag_and_dr): Rename base to base_address in
18583         stmt_vec_info. Extract the object for memtag analysis.
18585 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
18587         PR regression/19898.
18588         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
18589         changes cc_status, use apply modified_in_p to part of cc_status
18590         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
18591         body.
18593 2005-02-11  Richard Henderson  <rth@redhat.com>
18595         * tree-complex.c (expand_complex_libcall): New.
18596         (expand_complex_multiplication): Use it for c99 compliance.
18597         (expand_complex_division): Likewise.
18598         * fold-const.c (fold_complex_add, fold_complex_mult): New.
18599         (fold): Call them.
18600         * builtins.c (built_in_names): Remove const.
18601         * tree.c (build_common_builtin_nodes): Build complex arithmetic
18602         builtins.
18603         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
18604         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
18605         (built_in_names): Remove const.
18606         * c-common.c (c_common_type_for_mode): Handle complex modes.
18607         * flags.h, toplev.c (flag_complex_method): Rename from
18608         flag_complex_divide_method.
18609         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
18610         __mulsc3, __muldc3, __mulxc3, __multc3): New.
18611         * libgcc2.h: Declare them.
18612         * libgcc-std.ver: Export them.
18613         * mklibgcc.in (lib2funcs): Build them.
18615 2005-02-11  Steven Bosscher  <stevenb@suse.de>
18617         PR tree-optimization/19876
18618         Partially revert my change from 2005-01-14
18619         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
18620         (compute_antic): ...and remove the loop here.
18622 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
18624         PR middle-end/19858
18625         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
18626         is number of inner's bits, avoid creating a BIT_FIELD_REF.
18628         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
18629         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
18631 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
18633         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
18634         offsets for the big-endian 32-bit case.
18636 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
18638         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
18640 2005-02-11  Dale Johannesen  <dalej@apple.com>
18642         * cselib.c (cselib_process_insn):  Clear out regs where
18643         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
18644         * reload.c (find_equiv_reg): Ditto.
18646 2005-02-11  Ian Lance Taylor  <ian@airs.com>
18648         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
18649         with no elements.
18651         * tree.c (build_function_type_list): Work correctly if there are
18652         no arguments.
18654 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
18656         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
18657         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
18658         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
18659         TARGET_ZARCH instead of TARGET_64BIT.
18661 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
18663         * config/rs6000/t-rtems:
18664         (MULTILIB_OPTIONS): Remove mcpu=602.
18665         (MUTLILIB_DIRNAMES): Remove m602.
18666         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
18667         Let mcpu=602 match mcpu=603.
18668         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
18670 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
18672         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
18673         signal trampolines.
18675 2005-02-10  David Daney  <ddaney@avtrex.com>
18677         * config/alpha/linux-unwind.h: Add exception clause to copyright.
18678         * config/i386/linux-unwind.h: Likewise.
18679         * config/ia64/linux-unwind.h: Likewise.
18680         * config/mips/linux-unwind.h: Likewise.
18681         * config/pa/linux-unwind.h: Likewise.
18682         * config/rs6000/linux-unwind.h: Likewise.
18683         * config/s390/linux-unwind.h: Likewise.
18684         * config/sh/linux-unwind.h: Likewise.
18685         * config/sparc/linux-unwind.h: Likewise.
18687 2005-02-10  Steven Bosscher  <stevenb@suse.de>
18689         PR tree-optimization/17549
18690         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
18691         TER to replace a DEF with its expression if the DEF and the
18692         rhs of the expression we replace into have the same root
18693         variable.
18695 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
18697         * config/mips/mips.md: Fix the placement of the match_scratch in the
18698         lea64 peephole2.
18700 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
18702         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
18703         Fix comment typos.
18705 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
18707         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
18708         (strip_offset): Handle addresses.
18709         (add_address_candidates): Use strip_offset.
18710         (difference_cost): Reflect strip_offset change.
18711         (force_var_cost, difference_cost): Strip nops.
18713 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
18715         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
18717         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
18718         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
18719         config/cris/cris-protos.h, config/cris/cris.c: Update
18720         copyright.
18722 2005-02-10  Jeff Law  <law@redhat.com>
18724         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
18725         (lookup_avail_expr): Similarly.
18727 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
18729         * builtins.c (fold_builtin_powi): New function.
18730         (fold_builtin_1): Call it.
18732 2005-02-10  Steven Bosscher  <stevenb@suse.de>
18734         PR documentation/19309
18735         * doc/cpp.texi: The __GNUC__ and related predefined macros
18736         are also defined for the "standalone" cpp.
18737         Some non-GCC compilers may also define __GNUC__.
18739 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
18741         PR c/19342
18742         * c-typeck.c (common_type): New routine.  Old common_type renamed
18743         to...
18744         (c_common_type): ...this.
18745         (build_conditional_expr, build_binary_op): Use c_common_type instead
18746         of common_type.
18748 2005-02-10  Steven Bosscher  <stevenb@suse.de>
18750         * doc/md.texi: Replace @samp{length} with @code{length}.
18752 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
18754         PR tree-optimization/18687
18755         * tree-flow.h (find_loop_niter): Declare.
18756         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
18757         Try using scev even for loops with more than one exit.
18758         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
18759         (struct ivopts_data): Added niters field.
18760         (struct nfe_cache_elt): New.
18761         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
18762         functions.
18763         (tree_ssa_iv_optimize_init): Initialize niters cache.
18764         (determine_number_of_iterations): Removed.
18765         (find_induction_variables): Do not call determine_number_of_iterations.
18766         Access niters for single exit through niter_for_single_dom_exit.
18767         (add_iv_outer_candidates): Access niters for single exit through
18768         niter_for_single_dom_exit.
18769         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
18770         number_of_iterations_cond.
18771         (iv_period): New function.
18772         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
18773         (may_replace_final_value): Take data argument.  Use
18774         niter_for_single_dom_exit.
18775         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
18776         (rewrite_use_compare): Pass data to may_eliminate_iv.
18777         (rewrite_use_outer): Pass data to may_replace_final_value.
18778         (free_loop_data): Clean up the niters cache.
18779         (tree_ssa_iv_optimize_finalize): Free the niters cache.
18780         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
18781         * tree-ssa-loop-niter.c (find_loop_niter): New function.
18782         (find_loop_niter_by_eval): Use tree_int_cst_lt.
18783         (num_ending_zeros): Moved to tree.c.
18784         * tree.h (num_ending_zeros): Declare.
18785         * tree.c (num_ending_zeros): Moved from tree.c.
18787 2005-02-09  Richard Henderson  <rth@redhat.com>
18789         * builtins.c (DEF_BUILTIN): Add COND argument.
18790         * tree.h (DEF_BUILTIN): Likewise.
18791         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
18792         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
18793         match.
18794         (DEF_BUILTIN_STUB): New.
18795         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
18796         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
18797         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
18798         * c-common.c (DEF_BUILTIN): Add COND argument.
18799         * tree.c (local_define_builtin): New.
18800         (build_common_builtin_nodes): New.
18802 2005-02-09  Roger Sayle  <roger@eyesopen.com>
18804         * fold-const.c (fold_strip_sign_ops): New function to simplify a
18805         floating point expression ignoring the sign of the result.
18806         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
18807         (fold) <MULT_EXPR>: Use it to simplify x*x.
18808         * tree.h (fold_strip_sign_ops): Prototype here.
18809         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
18810         argument.  Use fold_strip_sign_ops to simplify the first argument.
18811         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
18812         first argument when the second argument is an even integer
18813         constant, but only with -funsafe_math_optimizations.
18814         (fold_builtin_1): Update call to fold_builtin_copysign.
18816 2005-02-09  Ian Lance Taylor  <ian@airs.com>
18818         PR middle-end/19583
18819         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
18820         just check whether EH_FILTER_FAILURE falls through.
18822 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
18824         * gcc/haifa-sched.c (schedule_block): Make queued sched group
18825         insns return to ready list in the next turn.
18827 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
18829         PR middle-end/19402
18830         * builtins.def: New __builtin_powi[lf].
18831         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
18832         (expand_builtin_powi): New function.
18833         (expand_builtin): Dispatch to expand_builtin_powi.
18834         * libgcc2.h: Add prototypes for __builtin_powi[lf].
18835         * libgcc2.c: Add __builtin_powi[lf] implementation.
18836         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
18837         * optabs.h: Add powi_optab.
18838         * optabs.c (init_optabs): Initialize powi_optab.
18839         * doc/extend.texi: Document __builtin_powi[lf].
18841 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
18843         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
18844         exists.
18846 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
18848         PR middle-end/19854
18849         * fold-const.c (try_move_mult_to_index): Remove redundant
18850         type argument.  Create ADDR_EXPR with correct type.
18851         (fold): Update callers of try_move_mult_to_index.  Convert
18852         result to the appropriate type.
18854 2005-02-09  Roger Sayle  <roger@eyesopen.com>
18856         PR target/19597
18857         * config/avr/avr.c (default_rtx_costs): Delete.
18858         (avr_operand_rtx_cost): New function.
18859         (avr_rtx_costs): Completely rewrite.
18861 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
18863         PR target/19806
18864         * config/cris/cris.c (in_code): New variable.
18865         (cris_output_addr_const): Now a static function, a wrapper for
18866         output_addr_const.
18867         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
18868         case from old cris_output_addr_const.
18869         (cris_asm_output_label_ref): Similar for LABEL_REF.
18870         (cris_output_addr_const_extra): Similar for UNSPEC.
18871         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
18872         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
18873         * config/cris/cris-protos.h (cris_output_addr_const): Remove
18874         declaration.
18875         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
18876         (cris_asm_output_label_ref): Declare.
18878 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
18880         PR preprocessor/19801
18881         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
18882         filenames that changed when libcpp was moved to the toplevel.
18884 2005-02-07  Roger Sayle  <roger@eyesopen.com>
18886         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
18887         zero extensions of BImode operands.  Call lowpart_subreg instead
18888         of gen_lowpart_common and gen_lowpart_SUBREG.
18890 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
18892         PR ada/19489
18893         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
18894         * configure.ac: Set cc_for_cross_gnattools.
18895         * configure: Regenerate.
18897 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
18899         PR target/19803
18900         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
18902 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
18904         PR debug/19327
18905         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
18906         of nested functions.
18908 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
18910         * doc/extend.texi: Document deprecated extensions allowing
18911         static floating-point members to have initializers and allowing
18912         floating-point literals in integral constant expressions.
18914 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
18916         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
18917         config/darwin7.h, config/mips/mips.c,
18918         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
18919         Update copyright.
18921         * cse.c: Update comments.
18923 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
18925         PR middle-end/19775
18926         * builtins.c (fold_builtin_sqrt): Transform
18927         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
18928         pow(x,y*0.5).
18930 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
18931             Dorit Naishlos  <dorit@il.ibm.com>
18933         * doc/invoke.texi (ftree-vectorizer-verbose): New.
18934         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
18935         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
18936         was added.
18937         * tree.h (vect_set_verbosity_level): New extern function declaration
18938         added.
18939         * tree-vectorizer.h (verbosity_levels): New enum type.
18940         * tree-vectorizer.c (vect_debug_stats): Function removed.
18941         (vect_debug_details): Likewise.
18942         (vect_verbosity_level): Global variable was defined and initialized.
18943         (vect_dump): Global variable definition.
18944         (vect_print_dump_info): New function.
18945         (vect_set_dump_settings): New function.
18946         (vect_set_verbosity_level): New function.
18947         (vectorize_loops): Add call to vect_set_dump_settings.
18949         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
18950         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
18951         (slpeel_tree_peel_loop_to_edge): Likewise.
18953         (vect_analyze_offset_expr): Call to vect_print_dump_info with
18954         appropriate verbosity level instead of call to vect_debug_details
18955         or vect_debug_stats.
18956         (vect_get_base_and_offset):
18957         (vect_create_addr_base_for_vector_ref):
18958         (get_vectype_for_scalar_type):
18959         (vect_create_data_ref_ptr):
18960         (vect_init_vector):
18961         (vect_get_vec_def_for_operand):
18962         (vect_finish_stmt_generation):
18963         (vectorizable_assignment):
18964         (vectorizable_operation):
18965         (vectorizable_store):
18966         (vectorizable_load):
18967         (vect_transform_stmt):
18968         (vect_update_ivs_after_vectorizer):
18969         (vect_do_peeling_for_loop_bound):
18970         (vect_update_inits_of_drs):
18971         (vect_do_peeling_for_alignment):
18972         (vect_transform_loop):
18973         (vect_is_simple_use):
18974         (vect_analyze_operations):
18975         (vect_is_simple_iv_evolution):
18976         (vect_analyze_scalar_cycles):
18977         (vect_analyze_data_ref_dependence):
18978         (vect_analyze_data_ref_dependences):
18979         (vect_compute_data_ref_alignment):
18980         (vect_enhance_data_refs_alignment):
18981         (vect_analyze_data_refs_alignment):
18982         (vect_analyze_data_ref_access):
18983         (vect_analyze_data_ref_accesses):
18984         (vect_analyze_pointer_ref_access):
18985         (vect_get_memtag_and_dr):
18986         (vect_analyze_data_refs):
18987         (vect_mark_relevant):
18988         (vect_stmt_relevant_p):
18989         (vect_mark_stmts_to_be_vectorized):
18990         (vect_can_advance_ivs_p):
18991         (vect_get_loop_niters):
18992         (vect_analyze_loop_form):
18993         (vect_analyze_loop):
18994         (vectorize_loops): Likewise.
18996         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
18997         (vect_update_inits_of_drs):
18998         (vect_do_peeling_for_alignment):
18999         (vect_transform_loop):
19000         (vect_analyze_operations):
19001         (vect_analyze_scalar_cycles):
19002         (vect_analyze_data_ref_dependences):
19003         (vect_analyze_data_refs_alignment):
19004         (vect_analyze_data_ref_accesses):
19005         (vect_analyze_data_refs):
19006         (vect_mark_stmts_to_be_vectorized):
19007         (vect_get_loop_niters):
19008         (vect_analyze_loop_form):
19009         (vect_analyze_loop): Likewise.
19010         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
19012 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
19014         PR bootstrap/19796
19015         Revert:
19016         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
19017         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
19018         either -ffast-math or -funsafe-math-optimizations is in use.
19020         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
19021         * config/mips/irix-csr.c: New file.
19022         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
19023         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
19024         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
19025         executables.
19027 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
19029         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
19030         redundant, incorrect definitions.
19032         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
19033         expand.
19034         ("*tls_indirect_call"): New, reference hard regs directly.
19035         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
19037 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
19039         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
19040         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
19042 2005-02-06  Roger Sayle  <roger@eyesopen.com>
19044         PR rtl-optimization/19800
19045         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
19046         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
19047         gen_lowpart.
19049 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
19051         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
19053 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
19055         PR other/17135
19056         * doc/invoke.texi: Correct documentation of -freorder-functions.
19058 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
19060         PR other/14402
19061         * doc/invoke.texi: Don't mention gccbug.
19063 2005-02-06  Roger Sayle  <roger@eyesopen.com>
19064             Andrew Pinski  <pinskia@physics.uc.edu>
19065             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
19067         * simplify-rtx.c (simplify_relational_operation_1): Simplify
19068         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
19069         into just (zero_extract:SI FOO (const_int 1) BAR).
19071 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
19073         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
19074         macro locally.  Don't give last revision date.  Use GCC version
19075         number from gcc-common.texi.
19076         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
19077         revision date.  Use GCC version number from gcc-common.texi.
19078         Describe being a library as current state rather than as 3.x
19079         history.
19080         * doc/gcc.texi: Remove last update date.
19081         * doc/gccint.texi: Likewise.  Update copyright dates.
19082         * doc/install.texi: Update copyright dates.
19084 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
19086         PR other/7549
19087         * doc/invoke.texi: Mention for each option included in -Wall that
19088         it is included in -Wall.
19089         * doc/gcc.texi: Update copyright and last modification date.
19091 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
19093         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
19094         unnecessary cast to original induction variable increments.
19096 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
19098         PR tree-optimization/18219
19099         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
19100         in distributed form.
19102 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
19104         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
19105         Set bitpos and offset later in the function.  Do nothing if the
19106         target is a register and if the bitfield lies completely outside
19107         that register.
19108         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
19109         here.  Return an uninitialised register if the source value is stored
19110         in a register and the bitfield lies completely outside that register.
19112 2005-02-06  Steven Bosscher  <stevenb@suse.de>
19114         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
19115         not SET_DEST.
19117 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
19119         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
19121 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
19123         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
19124         * config/darwin8.h: New.
19125         * config/darwin7.h: Update comment.
19127 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
19128             Dorit Naishlos  <dorit@il.ibm.com>
19130         * tree-vectorizer.h (LOC): New type.
19131         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
19132         (loop_line_number): New field in struct _loop_vec_info.
19133         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
19135         * tree-vectorizer.c (input.h): Included.
19136         (find_loop_location): New function.
19137         (vect_debug_stats): Argument changed from loop to LOC. Computation of
19138         loop line number removed.
19139         (vect_debug_details): Likewise.
19140         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
19142         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
19143         call to vect_debug_details/stats changed from loop to loop_loc.
19144         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
19145         (slpeel_tree_peel_loop_to_edge): Likewise.
19147         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
19148         changed from NULL to UNKNOWN_LOC.
19149         (vect_get_base_and_offset):
19150         (vect_create_addr_base_for_vector_ref):
19151         (get_vectype_for_scalar_type):
19152         (vect_create_data_ref_ptr):
19153         (vect_init_vector):
19154         (vect_get_vec_def_for_operand):
19155         (vect_finish_stmt_generation):
19156         (vectorizable_assignment):
19157         (vectorizable_operation):
19158         (vectorizable_store):
19159         (vectorizable_load):
19160         (vect_transform_stmt):
19161         (vect_update_ivs_after_vectorizer):
19162         (vect_do_peeling_for_loop_bound):
19163         (vect_do_peeling_for_alignment):
19164         (vect_transform_loop):
19165         (vect_is_simple_use):
19166         (vect_analyze_operations):
19167         (vect_is_simple_iv_evolution):
19168         (vect_analyze_scalar_cycles):
19169         (vect_analyze_data_ref_dependences):
19170         (vect_compute_data_ref_alignment):
19171         (vect_enhance_data_refs_alignment):
19172         (vect_analyze_data_ref_access):
19173         (vect_analyze_data_ref_accesses):
19174         (vect_analyze_pointer_ref_access):
19175         (vect_get_memtag_and_dr):
19176         (vect_analyze_data_refs):
19177         (vect_mark_relevant):
19178         (vect_stmt_relevant_p):
19179         (vect_mark_stmts_to_be_vectorized):
19180         (vect_can_advance_ivs_p):
19181         (vect_get_loop_niters):
19182         (vect_analyze_loop):
19183         (vectorize_loops): Likewise.
19185         (vectorizable_load): Argument in call to vect_debug_details/stats
19186         changed from loop to LOOP_LOC (loop_vinfo).
19187         (vect_transform_loop):
19188         (vect_analyze_operations):
19189         (vect_analyze_scalar_cycles):
19190         (vect_analyze_data_ref_dependence):
19191         (vect_enhance_data_refs_alignment):
19192         (vect_analyze_data_ref_accesses):
19193         (vect_analyze_pointer_ref_access):
19194         (vect_analyze_data_refs):
19195         (vect_analyze_loop): Likewise.
19197         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
19198         changed from loop to loop_loc.
19200         (vect_enhance_data_refs_alignment): Removed unused variable loop.
19202 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
19203             Dorit Naishlos  <dorit@il.ibm.com>
19205         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
19206         declaration added.
19207         (vect_analyze_data_ref_dependences): Likewise.
19209         (vect_is_simple_use): Argument changed from loop structure to
19210         loop_vect_info structure.
19211         (vect_can_advance_ivs_p): Likewise.
19212         (vect_create_index_for_vector_ref): Likewise.
19213         (vect_update_ivs_after_vectorizer): Likewise.
19214         (new_stmt_vec_info): Likewise.
19216         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
19217         changed from loop to loop_vinfo.
19218         (vect_create_data_ref_ptr): First argument in call to
19219         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
19220         (vectorizable_assignment): Second argument in call to vect_is_simple_use
19221         was changed from loop to loop_vinfo.
19222         (vectorizable_operation): Likewise.
19223         (vectorizable_store): Likewise.
19224         (vect_mark_stmts_to_be_vectorized): Likewise.
19225         (vect_do_peeling_for_loop_bound): First argument in call to
19226         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
19227         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
19228         was changed from loop to loop_vinfo.
19229         (vect_analyze_data_ref_dependences): Third argument in call to
19230         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
19232         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
19233         (vect_create_data_ref_ptr): Likewise.
19234         (vect_init_vector): Likewise.
19235         (vect_get_vec_def_for_operand): Likewise.
19236         (vectorizable_assignment): Likewise.
19237         (vectorizable_operation): Likewise.
19238         (vectorizable_store): Likewise.
19239         (vectorizable_load): Likewise.
19240         (vect_update_ivs_after_vectorizer): Likewise.
19241         (vect_is_simple_use): Likewise.
19242         (vect_analyze_data_ref_dependence): Likewise.
19243         (vect_analyze_pointer_ref_access): Likewise.
19244         (vect_can_advance_ivs_p): Likewise.
19246         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
19247         before _stmt_vec_info.
19248         (_stmt_vec_info): Loop field replaced by loop_vec_info.
19249         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
19250         (new_stmt_vec_info): Argument changed from loop structure to
19251         loop_vect_info structure
19253         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
19254         (vect_analyze_offset_expr): Avoid 80 columns overflow.
19255         (vect_create_addr_base_for_vector_ref): Likewise.
19256         (vect_analyze_pointer_ref_access): Likewise.
19258 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
19260         PR tree-opt/19768
19261         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
19262         phi flag if the phi is abnormal.
19264 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
19266         PR tree-opt/19736
19267         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
19268         information for the new statement.
19270 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
19272         PR driver/19117
19273         * gcc.c (main): Include the target in -v output.
19275 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
19277         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
19278         Do not drop the extend if we'd have to add a paradoxical subreg
19279         later.  Include optabs.h and insn-codes.h.
19280         * Makefile.in (combine.o): Depend on $(OPTABS_H).
19282 2005-02-02  Roger Sayle  <roger@eyesopen.com>
19284         PR middle-end/19405
19285         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
19286         * fold-const.c (const_binop): Avoid constant folding floating
19287         point operations in modes that use composite representations.
19288         * simplify-rtx.c (simplify_binary_operation): Likewise.
19290 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
19292         * config/rs6000/altivec.md (altivec_dst): Make the first operand
19293         a REG, not a MEM.
19294         (altivec_dstt): Likewise.
19295         (altivec_dstst): Likewise.
19296         (altivec_dststt): Likewise.
19297         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
19298         of first operand.
19300 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
19302         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
19303         EXPR_LOCUS from orig_cond to the new cond_stmt.
19304         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
19305         the new vec_stmt.
19307 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
19309         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
19310         standard_iv_increment_position. Remove call to bsi_next
19311         (no need to bump the iterator anymore).
19312         (vect_create_index_for_vector_ref): Call
19313         standard_iv_increment_position. Remove second function argument.
19314         (vect_finish_stmt_generation): Remove call to bsi_next
19315         (no need to bump the iterator anymore).
19316         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
19317         to vect_create_index_for_vector_ref.
19319 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
19321         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
19322         phis are used out of the loop.
19324 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
19326         PR c/17807
19327         * c-decl.c (undef_nested_function): New variable.
19328         (pop_scope): Diagnose undefined nested functions.
19329         (finish_function): Don't attempt cgraph processing or genericizing
19330         if current top-level function contained an undefined nested
19331         function.  Reset undef_nested_function at the end of a top-level
19332         function.
19334 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
19336         * tree.c (build_int_cst_type): Take sign of the value into account
19337         when deciding whether sign extend the value.
19339 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
19341         PR c/18502
19342         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
19343         (cpp_options, cc1_options): Change %{std*&ansi} to
19344         %{std*&ansi&trigraphs}.
19346 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
19348         * cse.c: Update comments.
19350 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
19352         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
19353         arguments go on the stack.  Do not put complex doubles in odd/even
19354         pairs.
19356 2005-02-02  Steven Bosscher  <stevenb@suse.de>
19358         * doc/invoke.texi: Update the options enabled at -O1, -O2,
19359         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
19360         -ftree-pre, and -fthread-jumps.
19362 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
19364         PR tree-optimization/19578
19365         * tree-flow.h (modified_noreturn_calls): Declare.
19366         (noreturn_call_p): Declare.
19367         * tree-flow-inline.h (noreturn_call_p): New function.
19368         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
19369         * tree-cfg.c (modified_noreturn_calls): New variable.
19370         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
19371         that contain a mid-block noreturn call.
19372         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
19374 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
19376         * df.c (df_def_record_1, df_uses_record): Don't use
19377         DF_FOR_REGALLOC.
19378         * df.h (DF_FOR_REGALLOC): Remove.
19380 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
19382         PR c/19435
19383         * c-typeck.c (really_start_incremental_init): Reset
19384         constructor_max_index for arrays of incomplete type.
19386 2005-02-02  Jeff Law  <law@redhat.com>
19388         * gcse.c (struct reg_set): Store the block index where the register
19389         was set rather than the setting insn.
19390         (record_one_set, compute_transp): Corresponding changes.
19391         (pre_insert_copy_insn): Do not call replace_one_set.
19392         (replace_one_set): Remove.
19394 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
19396         PR other/15514
19397         * doc/gcov.texi: Fix typo.
19399 2005-02-01  Richard Henderson  <rth@redhat.com
19401         PR target/19680
19402         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
19403         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
19404         type to bool.
19405         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
19406         * config/i386/i386-protos.h: Update.
19408 2005-02-01  Steven Bosscher  <stevenb@suse.de>
19410         PR tree-optimization/19217
19411         * tree-cfg.c (verify_expr): Use the data field to see if TP was
19412         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
19413         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
19414         that it is walking a PHI node.
19416 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
19418         * doc/extend.texi (Nested Functions): Update.
19420 2005-02-01  Richard Henderson  <rth@redhat.com>
19422         PR 19696
19423         * optabs.c (expand_copysign_absneg): Export.
19424         * optabs.h (expand_copysign_absneg): Declare.
19425         * config/rs6000/rs6000.md (copysigntf3): New.
19427 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
19429         PR tree-optimization/19633
19430         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
19431         * tree-ssa-alias.c (init_alias_info): Initialize.
19432         (merge_pointed_to_info): Set.
19433         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
19434         (dump_points_to_info_for): Show value of pt_null.
19435         (struct count_ptr_d): Declare.
19436         (find_ptr_dereference): Remove.
19437         (ptr_is_dereferenced_by): Remove.
19438         (count_ptr_derefs): New local function.
19439         (count_uses_and_derefs): New local function.
19440         (compute_points_to_and_addr_escape): Call it.  If the number
19441         of dereferences is greater than zero, mark the pointer as
19442         dereferenced.  If there are fewer dereferences than uses of
19443         the pointer, the pointer's value escapes.
19445 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
19447         PR tree-optimization/19670
19448         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
19449         here...
19450         (verify_use): ... set it here, instead.
19452 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
19454         * doc/sourcebuild.texi (Test directives): Fix formatting.
19456         * doc/sourcebuild.texi (Test directives): Describe selector
19457         expressions.
19459 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
19461         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
19462         specific 64-bit CPUs.
19464 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
19466         PR target/16201
19467         * arm.c (arm_eliminable_register): New function.
19468         (adjacent_mem_locations): Don't allow eliminable registers.  Use
19469         HOST_WIDE_INT for address offsets.
19470         * arm-protos.h (arm_eliminable_register): Add prototype.
19472 2005-02-01  Steven Bosscher  <stevenb@suse.de>
19474         PR optimization/15242
19475         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
19476         * basic-block.h (duplicate_computed_gotos): Add prototype.
19477         * bb-reorder.c (duplicate_computed_gotos): New function to
19478         duplicate sufficiently small blocks ending in a computed jump.
19479         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
19480         if not optimizing for size.
19481         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
19482         never do tail merging for blocks ending in a computed jump.
19483         * doc/invoke.texi: Document the max-goto-duplication-insns param.
19485 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
19487         Patch from Richard Sandiford <rsandifo@redhat.com>
19488         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
19489         from inheriting a subreg equivalence with a non-spill register.
19491         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
19493 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
19495         * config/frv/frv.c (movcc_fp_destination_operand): New.
19496         (gpr_or_memory_operand): Fix typo in comment.
19497         (gpr_or_memory_operand_with_scratch): New.
19498         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
19499         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
19500         movcc_fp_destination_operand.
19501         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
19502         Legitimize memory addresses using a scratch register.
19504 2005-01-31  Jeff Law  <law@redhat.com>
19506         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
19507         bitmap a sparse bitmap instead of a simple bitmap.
19508         (mark_def_sites_initialize_block):  Corresponding changes.
19509         (ssa_mark_def_sites_initialize_block): Likewise.
19510         (ssa_mark_phi_uses): Likewise.
19511         (mark_def_site, ssa_mark_def_sites): Likewise.
19512         (mark_def_site_blocks): Likewise.
19513         (rewrite_ssa_into_ssa): Likewise.
19515         * tree-ssa-dom.c (record_cond): Pass correct variable type
19516         for last argument to htab_find_slot_with_hash.
19518         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
19519         effects when optimizing 0 % X.  Do not try to optimize X % 0.
19521 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
19523         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
19524         1_mmalua.
19526 2005-02-01  Eric Christopher  <echristo@redhat.com>
19528         * config/mips/mips.c (override_options): Warn if -mint64
19529         is used.
19530         * doc/invoke.texi (MIPS Options): Document that -mint64 is
19531         deprecated.
19533 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
19535         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
19536         timestamp.
19537         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
19538         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
19539         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
19540         (cached_regno): Initialize to INVALID_REGNUM.
19541         (cse_reg_info_table_size,
19542         cse_reg_info_table_first_uninitialized,
19543         cse_reg_info_timestamp): New.
19544         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
19545         get_cse_reg_info.
19546         (init_cse_reg_info, get_cse_reg_info_1): New.
19547         (get_cse_reg_info): Cache the last look-up.
19548         (new_basic_block): Update the code to clear mappings from
19549         registers to cse_reg_info entries.
19550         (cse_main): Call init_cse_reg_info.
19552         * cse.c (get_cse_reg_info): Update a comment.
19554 2005-01-31  Steven Bosscher  <stevenb@suse.de>
19556         PR c/19333
19557         * c-decl.c (start_decl): Do not warn about arrays of elements with
19558         an incomplete type here.
19559         (grokdeclarator): Do it here by making a pedwarn an error.
19560         * c-typeck.c (push_init_level): If there were previous errors with
19561         the constructor type, do not warn about braces for initializers.
19562         (process_init_element): Likewise for excess initializer elements.
19564 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
19566         * cse.c (delete_trivially_dead_insn): Don't iterate.
19568 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
19570         * config/rs6000/rs6000.md (copysignsf3): New expand.
19571         (copysigndf3): Likewise.
19573 2005-01-31  Steven Bosscher  <stevenb@suse.de>
19575         * recog.c (constrain_operands): Only look for earlyclobber operand
19576         conflicts if an '&' constraint was seen.
19578 2005-01-31  Marc Espie <espie@openbsd.org>
19580         * config.gcc: Don't include embedded systems fragment, switches default
19581         debugging format to ELF.
19582         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
19583         longer pick it up there.
19585 2005-01-31  Dale Johannesen  <dalej@apple.com>
19587         * doc/extend.texi (nested functions): Fix linkage description.
19588         Clarify that static is not allowed.
19590 2005-01-31  Dale Johannesen  <dalej@apple.com>
19592         * config/rs6000/darwin.md (movsf_low_di):  Make work.
19593         (movdf_low_di):  Make work.
19595 2005-01-31  Dale Johannesen  <dalej@apple.com>
19597         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
19598         Make work for 64 bit.
19600 2005-01-31  Roger Sayle  <roger@eyesopen.com>
19601             Dale Johannesen  <dalej@apple.com>
19603         PR middle-end/19650
19604         * fold-const.c (fold_binary_op_with_conditional_arg):
19605         Make types match original operands, before STRIP_NOPS.
19607 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
19609         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
19610         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
19611         (struct gcc_sigcontext): Delete.  Merge contents to..
19612         (struct gcc_ucontext): ..here.
19613         (get_sigcontext): Delete.
19614         (get_regs): New function, like get_sigcontext but return regs ptr.
19615         64-bit version finds regs from r1 to support vdso.
19616         (ppc_linux_aux_vector): New function.
19617         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
19618         and vector regs.
19620 2005-01-31  Ira Rosen  <irar@il.ibm.com>
19622         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
19623         sizetype.
19624         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
19625         redundant fold. Fix misalignment for MINUS_EXPR.
19626         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
19627         (vect_analyze_pointer_ref_access): Likewise.
19628         (vect_get_memtag_and_dr): Likewise.
19630 2005-01-31  Richard Henderson  <rth@redhat.com>
19632         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
19633         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
19634         absnegdf2_i387, absnegxf2_i387): Likewise.
19636 2005-01-31  Richard Henderson  <rth@redhat.com>
19638         PR 19696
19639         * optabs.c (expand_copysign_absneg): New.
19640         (expand_copysign_bit): Split out from ...
19641         (expand_copysign): ... here.  Use expand_copysign_absneg.
19643 2005-01-30  Roger Sayle  <roger@eyesopen.com>
19645         PR middle-end/19697
19646         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
19647         constant as the second operand and a register as the third.
19649 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
19651         PR target/19704
19652         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
19653         that dllimport'd functions do not use all call-clobbered registers
19654         to pass parameters.
19656 2005-01-30  Richard Henderson  <rth@redhat.com>
19658         PR 19696
19659         * optabs.c (expand_absneg_bit): Split out from expand_unop and
19660         expand_abs_nojump and generalize.  Use operand_subword and
19661         emit_no_conflict_block.  Support large modes.
19662         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
19663         back to maximum.
19664         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
19665         negation to subtraction.
19666         (expand_copysign): Check that the format has signed zeros.
19667         Use operand_subword and emit_no_conflict_block.  Support large modes.
19669 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
19671         Fix PR tree-optimization/19624
19673         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
19674         * tree-ssa-pre.c: Add cfgloop.h.
19675         Update comment.
19676         (pre_stats): New member, constified.
19677         (inserted_exprs): New static variable.
19678         (NECESSARY): New macro.
19679         (create_expression_by_pieces): Fold the expression, and
19680         mark it as defaulting to not necessary. Also put in
19681         inserted_exprs.
19682         (fully_constant_expression): New function.
19683         (insert_into_preds_of_block): Modify to not insert phis when we
19684         are playing with induction variables.
19685         Push phis onto the inserted_exprs vector, and mark them as not
19686         necessary by default.
19687         (insert_aux): Call fully_constant_expression on eprime.
19688         If all edges produce the same value, mark it constant.
19689         (mark_operand_necessary): New function.
19690         (remove_dead_inserted_code): New function.
19691         (init_pre): Init loop optimizer to get loop info.
19692         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
19693         (execute_pre): Commit edge inserts, then remove dead code.
19695 2005-01-30  Richard Henderson  <rth@redhat.com>
19697         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
19698         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
19700 2005-01-30  Richard Henderson  <rth@redhat.com>
19702         PR target/19700
19703         * config/i386/i386.c (ix86_expand_copysign): New.
19704         (ix86_split_copysign_const): New.
19705         (ix86_split_copysign_var): Rename from ix86_split_copysign,
19706         rearrange op1/nmask operands.
19707         * config/i386/i386-protos.h: Update.
19708         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
19709         (copysigndf3): Likewise.
19710         (copysignsf3_const, copysigndf3_const): New.
19711         (copysignsf3_var): Rename from copysignsf3, split out splitter
19712         and fix split predicate for X constraint.
19713         (copysigndf3_var): Similarly.
19715 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
19717         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
19718         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
19719         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
19721 2005-01-29  Richard Henderson  <rth@redhat.com>
19723         PR target/19690
19724         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
19725         of # and * in constraints.
19727 2005-01-29  Richard Henderson  <rth@redhat.com>
19729         PR middle-end/19689
19730         * expr.c (store_field): Don't strip sub-mode cast when the input
19731         data is even smaller.
19733 2005-01-29  Richard Henderson  <rth@redhat.com>
19735         PR middle-end/19687
19736         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
19737         union being empty.
19739 2005-01-29  Richard Henderson  <rth@redhat.com>
19741         * combine.c (make_field_assignment): Fix argument order
19742         to gen_int_mode.
19744 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
19746         PR tree-optimization/15791
19747         * fold-const.c (extract_array_ref): New function.
19748         (fold): Fold comparisons between &a[i] and &a[j] or
19749         semantically equivalent trees.
19751 2005-01-29  Jeff Law  <law@redhat.com>
19753         * gcse.c (insert_expr_in_table): Revamp handling of available
19754         and anticipatable occurrence lists to avoid unnecessary list
19755         walking.
19756         (insert_set_in_table): Similarly.
19758 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
19760         * c-common.c (fix_string_type): Just use c_build_qualified_type to
19761         build string type.
19762         (c_build_qualified_type): Build qualified array types with
19763         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
19764         * c-decl.c (c_make_fname_decl): Build unqualified array type
19765         before qualified type.
19766         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
19767         type is qualified, not just if type itself is.  Don't apply
19768         qualifiers to array type when declarator is processed.  Apply
19769         qualifiers to field type whether or not it is an array type.
19770         Don't handle array types specially for applying qualifiers to
19771         variables.
19772         * c-typeck.c (composite_type): Build unqualified element type and
19773         array type when forming composite of array types.
19774         (common_pointer_type, comptypes, comp_target_types,
19775         type_lists_compatible_p, build_indirect_ref, build_array_ref,
19776         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
19777         types.
19778         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
19779         (args2) in variables a1 and a2.
19781 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
19783         * cse.c (n_elements_made, max_elements_made): Remove.
19784         (insert): Don't touch n_elements_made.
19785         (cse_main): Don't touch n_elements_made or max_elements_made.
19787 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
19789         PR target/15384
19790         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
19791         configuration part of dp-bit.c to be lost.
19793 2005-01-28  Roger Sayle  <roger@eyesopen.com>
19795         * expmed.c (expand_mult_highpart_optab): When attempting to use
19796         a non-widening multiplication in a wider mode, the operands need
19797         to be converted (zero or sign extended) to that mode.
19799 2005-01-28  Ian Lance Taylor  <ian@airs.com>
19801         PR middle-end/16558
19802         PR middle-end/19583
19803         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
19804         through if both operands fall through.
19806 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
19808         * cse.c (fold_rtx) <PC>: Don't optimize.
19810 2005-01-28  Jeff Law  <law@redhat.com>
19812         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
19813         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
19815 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
19817         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
19818         cse_reg_info_used_list_end): Remove.
19819         (cse_reg_info_list, cse_reg_info_list_free): New.
19820         (get_cse_reg_info): When allocating an instance of
19821         cse_reg_info, add it to the beginning of the cse_reg_info_list
19822         list.  Remove code to maintain cse_reg_info_used_list.
19823         (new_basic_block): Reset the free list to the beginning of
19824         cse_reg_info_list.
19826 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
19828         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
19829         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
19830         (frv_expand_mdpackh_builtin): New function.
19831         (frv_expand_builtin): Use it to expand __MDPACKH.
19832         * doc/extend.texi (__MDPACKH): Update documentation.
19834 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
19836         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
19837         SSE_FLOAT_MODE_P for use_sse computation.
19839 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
19841         PR target/19663
19842         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
19844 2005-01-27  Richard Henderson  <rth@redhat.com>
19846         * builtins.c (expand_builtin_copysign): New.
19847         (expand_builtin): Call it.
19848         * genopinit.c (optabs): Add copysign_optab.
19849         * optabs.c (init_optabs): Initialize it.
19850         (expand_copysign): New.
19851         * optabs.h (OTI_copysign, copysign_optab): New.
19852         (expand_copysign): Declare.
19854         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
19855         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
19857         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
19858         (ix86_expand_fp_absneg_operator): ... here.
19859         (ix86_split_copysign): New.
19860         * config/i386/i386-protos.h: Update.
19861         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
19862         (copysignsf3, copysigndf3): New.
19864         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
19865         (copysignsf3, ncopysignsf3): New.
19866         (copysigndf3, ncopysigndf3): New.
19867         (copysignxf3, ncopysignxf3): New.
19868         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
19870 2005-01-27  Arend Bayer  <arend.bayer@web.de>
19871             Kazu Hirata  <kazu@cs.umass.edu>
19873         * cse.c: (find_best_addr): Don't call copy_rtx before calling
19874         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
19875         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
19876         NULL_RTX.
19878 2005-01-27  Jeff Law  <law@redhat.com>
19880         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
19881         definitions of SSA_NAMEs which are not being rewritten.
19882         (rewrite_ssa_into_ssa): Only initialize the current definition
19883         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
19884         If checking is enabled, assert that SSA_NAME_AUX is clear for all
19885         SSA_NAMEs before returning.
19887 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
19889         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
19890         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
19891         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
19892         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
19893         config/mips/iris6.h, config/sh/sh.c: Update copyright.
19895 2005-01-27  Steven Bosscher  <stevenb@suse.de>
19897         PR middle-end/17278
19898         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
19899         higher to -O2 and higher.  Likewise for tree PRE.
19900         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
19901         and better.
19903 2005-01-27  Ian Lance Taylor  <ian@airs.com>
19905         PR middle-end/19583
19906         * gimple-low.c (try_catch_may_fallthru): New static function.
19907         (block_may_fallthru): Handle TRY_CATCH_EXPR.
19908         * tree-inline.c (expand_call_inline): Don't warn about reaching
19909         the end of a non-void function being inlined if the function uses
19910         a return slot.
19912 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
19914         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
19916         PR c/18946
19917         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
19918         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
19919         (implicitly_declare): Handle error_mark_node.
19921 2005-01-27  Richard Henderson  <rth@redhat.com>
19923         PR tree-opt/14329
19924         * tree.h (struct tree_decl): Add debug_expr_is_from.
19925         (DECL_DEBUG_EXPR_IS_FROM): New.
19926         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
19927         * dwarf2out.c (dwarf2out_var_location): Update to match.
19928         * tree-outof-ssa.c (create_temp): Likewise.
19929         * var-tracking.c (track_expr_p): Likewise.
19930         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
19931         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
19932         * toplev.c (default_tree_printer): Likewise.
19934 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
19936         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
19937         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
19939 2005-01-27  Steven Bosscher  <stevenb@suse.de>
19941         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
19942         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
19943         ASM_CLOBBERS): Add tree checks.
19945         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
19946         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
19947         * c-common.def (SWITCH_STMT): Update to match.
19948         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
19949         macros instead of SWITCH_EXPR ones.
19950         * c-dump.c (c_dump_tree): Likewise.
19951         * c-gimplify.c (gimplify_switch_stmt): Likewise.
19952         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
19954         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
19956 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
19958         * unwind-dw2.c (execute_stack_op): Add missing cases for
19959         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
19961 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
19963         * config.gcc (Obsolete configurations): Remove 'dummy', add
19964         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
19965         sparc-*-openbsd*.
19967 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
19969         PR tree-optimization/19633
19970         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
19971         CALL_EXPRs.
19972         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
19973         are no call-clobbered variables.
19974         * tree-outof-ssa.c (check_replaceable): Return false for calls
19975         with side-effects.
19977 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
19979         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
19980         even for variables with NULL DECL_INITIAL.
19982 2005-01-26  Stuart Hastings  <stuart@apple.com>
19984         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
19986 2005-01-26  Richard Henderson  <rth@redhat.com>
19988         PR middle-end/18008
19989         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
19990         field's type.
19991         * expr.c (store_field): Strip conversions to odd-bit-sized types
19992         if the destination field width matches.
19994 2005-01-26  Richard Henderson  <rth@redhat.com>
19996         * c-decl.c, expmed.c, expr.c: Revert last change.
19998 2005-01-26  Richard Henderson  <rth@redhat.com>
20000         PR middle-end/18008
20001         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
20002         field's type.
20003         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
20004         if we don't need the bits above those present in the current mode.
20005         * expr.c (store_field): Strip conversions to odd-bit-sized types
20006         if the destination field width matches.
20008 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
20010         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
20011         either -ffast-math or -funsafe-math-optimizations is in use.
20013 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
20015         PR target/19293
20016         PR target/19329
20017         * config/avr/avr.c (notice_update_cc): Only set condition code for
20018         ashrqi3 if shift count > 0.
20019         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
20020         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
20021         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
20022         count <= 0 as a no-op, and shift count >= width by copying zero
20023         or sign bit to all bits of the result.
20024         * config/avr/avr.md (all shifts): Add alternatives for zero shift
20025         count, with attribute "length" set to 0 and "cc" set to "none".
20027 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
20029         * doc/invoke.texi: Document -mTLS.
20031         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
20032         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
20033         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
20034         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
20035         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
20036         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
20037         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
20038         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
20040         * configure.ac: Check for a TLS capable gas.
20042         * configure: Regenerate.
20044 2005-01-26  Richard Henderson  <rth@redhat.com>
20046         PR middle-end/18008
20047         * combine.c (make_field_assignment): Simplify store to zero_extract
20048         from a source with an overlapping mask.
20050 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
20052         2004-11-11  Eric Christopher  <echristo@redhat.com>
20054         * config/frv/frv.md: Add fr400_integer automaton. Don't
20055         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
20056         to TYPE_MACC.
20058 2005-01-26  Steven Bosscher  <stevenb@suse.de>
20060         PR middle-end/16585
20061         * cfgbuild.c (make_edges): Do not clear or set
20062         current_function_has_computed_jump.
20063         * function.h (struct function): Remove the has_computed_jump field.
20064         (current_function_has_computed_jump): Do not define.
20065         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
20066         in a computed jump.  Ignore current_function_has_computed_jump.
20068 2005-01-26  Richard Henderson  <rth@redhat.com>
20070         PR middle-end/19515
20071         * expr.c (categorize_ctor_elements): New argument p_must_clear.
20072         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
20073         fully initialized.
20074         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
20075         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
20076         objects into static storage if they have more than one non-zero value.
20077         * tree.h (categorize_ctor_elements): Update decl.
20079 2005-01-26  Steven Bosscher  <stevenb@suse.de>
20081         PR middle-end/19616
20082         * tree.h (CALL_EXPR_TAILCALL): Add comment.
20083         * calls.c (check_sibcall_argument_overlap_1): Revert the change
20084         to this function from 2004-07-10.
20085         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
20086         the current function for tail call optimizations if the address
20087         of one of it its arguments is taken.
20089 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
20091         * cse.c (fold_rtx): Call equiv_constant only when necessary.
20093 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
20095         * function.c (expand_function_end): If current_function_calls_alloca,
20096         emit stack restore in a place that is reached when the function falls
20097         through at the end.
20099 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
20101         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
20102         rule to avoid matching inappropriate suffix rule.
20104 2005-01-26  Jan Hubicka  <jh@suse.cz>
20106         PR tree-optimization/19241
20107         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
20109 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
20111         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
20112         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
20113         of doubling.
20114         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
20115         <sim*>: Always use crt1.o, regardless of N in simN.
20116         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
20117         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
20118         (CRT_CALL_STATIC_FUNCTION): Remove.
20119         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
20120         use crt1.o, regardless of N in simN.
20121         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
20122         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
20123         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
20124         case isystem setting.
20125         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
20127 2005-01-25  Ian Lance Taylor  <ian@airs.com>
20129         * gimple-low.c (block_may_fallthru): Correct handling of
20130         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
20132 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
20134         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
20135         handlers to match indentation; nested under the mtune=* handler.
20136         Similar for mcpu= and march=.
20138 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
20140         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
20141         * config/mips/linux64.h (LIB_SPEC): Likewise.
20142         * config/mn10300/linux.h (LIB_SPEC): Likewise.
20143         * config/sh/linux.h (LIB_SPEC): Likewise.
20145 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
20147         * config/frv/frv.c (frv_legitimize_tls_address): New.
20148         (TARGET_HAVE_TLS): Define.
20149         (FRV_SYMBOL_REF_TLS_P): Define.
20150         (frv_override_options): Handle new register classes.
20151         (frv_legitimate_address_p): Reject tls addresses.
20152         (frv_legitimize_address): Handle TLS addresses.
20153         (gen_inlined_tls_plt): New.
20154         (gen_tlsmoff): New.
20155         (frv_legitimize_tls_address): New.
20156         (unspec_got_name): Add TLS entries.
20157         (got12_operand): Add R_FRV_TLSMOFF12 case.
20158         (frv_emit_move): Fixup TLS addresses.
20159         (frv_emit_movsi): Legitimize TLS addresses.
20161         * config/frv/frv.h (MASK_BIG_TLS): New.
20162         (TARGET_BIG_TLS): New.
20163         (HAVE_AS_TLS): Define.
20164         (TARGET_SWITCHES): Add -mTLS and -mtls options.
20165         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
20166         (REG_CLASS_NAMES): Same.
20167         (REG_CLASS_CONTENTS): Same.
20168         (CONSTRAINT_LEN): New.
20169         (REG_CLASS_FROM_CONSTRAINT): New.
20170         (PREDICATE_CODES): Add symbolic_operand.
20172         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
20173         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
20174         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
20175         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
20176         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
20177         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
20178         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
20179         GR9_REG, GR14_REG, LRREG.
20180         (type): Add load_or_call attribute.
20181         ("load_or_call"): New reservation.
20182         ("call_gettlsoff"): New.
20183         ("tls_indirect_call"): New.
20184         ("tls_load_gottlsoff12"): New.
20185         ("tlsoff_hilo"): New.
20186         ("tls_tlsdesc_ldd"): New.
20187         ("tls_tlsoff_ld"): New.
20188         ("tls_lddi"): New.
20190         * config/frv/frv-protos.h (symbolic_operand): Protoize.
20192         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
20194         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
20195         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
20196         * config/frv/frv.c (TLS_BIAS): Define.
20197         (frv_output_dwarf_dtprel): New.
20199 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
20201         PR rtl-optimization/19579
20202         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
20203         both A and B, see if they don't clobber registers the other expr uses.
20205 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
20207         * real.c (do_add): Initialize signalling and canonical members.
20209         * real.c (real_from_integer): Zero out destination.
20211 2005-01-18  Jan Hubicka  <jh@suse.cz>
20213         PR tree-optimize/19337
20214         * tree-inline.c (initialize_inlined_parameters): Copy
20215         saved_static_chain_decl only.
20217 2005-01-25  Richard Henderson  <rth@redhat.com>
20219         PR target/19556
20220         PR target/19584
20221         * config/i386/i386.c (x86_inter_unit_moves): Zero.
20222         (ix86_preferred_reload_class): Rewrite fp-constant section, with
20223         80387 enabled, to return a proper subclass.  Return the subset that
20224         overlaps with GENERAL_REGS for PLUS.
20225         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
20227 2005-01-25  Richard Henderson  <rth@redhat.com>
20229         PR middle-end/19609
20230         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
20232 2005-01-25  Roger Sayle  <roger@eyesopen.com>
20234         * expmed.c (choose_multiplier): Change interface to return the
20235         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
20236         (expand_divmod): Update calls to choose_multiplier.
20238 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
20240         PR middle-end/19330
20241         * expmed.c (extract_bit_field): Use adjust_address instead of
20242         gen_lowpart when op0 is a MEM.
20244 2005-01-24  Steven Bosscher  <stevenb@suse.de>
20246         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
20248 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
20250         * config/mips/irix-csr.c: New file.
20251         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
20252         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
20253         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
20254         executables.
20256 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
20258         PR bootstrap/19364
20259         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
20260         sparc/elf.h, add sparc/sp-elf.h.
20261         (sparc-*-rtems*): Likewise.
20262         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
20263         tm-dwarf2.h, add sparc/sp-elf.h.
20264         (sparc86x-*-elf): Likewise.
20265         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
20266         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
20267         TARGET_OS_CPP_BUILTINS.
20268         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
20269         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
20270         Undefine it.
20271         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
20272         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
20273         (SWITCH_TAKES_ARG): Likewise.
20274         (LOCAL_LABEL_PREFIX): Likewise.
20275         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
20276         (TARGET_N_FORMAT_TYPES): Delete.
20277         (TARGET_FORMAT_TYPES): Likewise.
20278         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
20279         * config/sparc/elf.h: Delete.
20280         * config/sparc/sp-elf.h: New file.
20282 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
20284         * tree-flow-inline.h (phi_arg_from_edge): Remove.
20285         * tree-flow.h: Remove the corresponding prototype.
20286         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
20287         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
20289 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
20291         PR target/17751
20292         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
20293         for AIX ABI or ELF -fPIC.
20294         (rs6000_emit_load_toc_table): Don't create toc_section here.
20295         (rs6000_xcoff_file_start): Nor here.
20297 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
20299         * sh.c (ra.h): Don't #include.
20300         (hard_regs_intersect_p): New function, resurrected from ra.c.
20302         * sh.c: Fix 1996 Copyright.
20304 2005-01-24  Richard Henderson  <rth@redhat.com>
20305             Aldy Hernandez  <aldyh@redhat.com>
20307         * regrename.c (note_sets): Handle subregs.
20309 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
20311         PR bootstrap/18058
20312         * genconditions.c (write_header, write_conditions): Elide file if
20313         not GCC >= 3.0.1.
20315 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
20317         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
20318         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
20319         Update copyright.
20321 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
20323         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
20324         expand_builtin_printf, expand_builtin_fprintf,
20325         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
20326         checking against POINTER_TYPE.
20327         (validate_arglist): Handle POINTER_TYPE code by checking
20328         POINTER_TYPE_P.
20330 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
20332         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
20333         init_rtlanal): New.
20334         (for_each_rtx): Call for_each_rtx_1.
20335         * rtl.h (init_rtlanal): Declare.
20336         * toplev.c (backend_init): Call init_rtlanal.
20338 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
20340         * flow.c (propagate_one_insn): Formatting.
20342         PR middle-end/19551
20343         * flow.c (libcall_dead_p): Be more conservative if unsure.
20344         If there are any instructions between insn and call, see if they are
20345         all dead before saying the libcall is dead.
20347 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
20349         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
20350         operand constraint for operand 0.
20352 2005-01-23  Richard Henderson  <rth@redhat.com>
20354         PR 19486
20355         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
20356         edges leading to join block.
20358 2005-01-23  Roger Sayle  <roger@eyesopen.com>
20360         * expmed.c (expand_mult_highpart): Make static.  Change type of
20361         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
20362         (expand_divmod): Updates calls to expand_mult_highpart by using
20363         gen_int_mode to pass a CONST_INT rtx.
20364         * rtl.h (expand_mult_highpart): Remove prototype.
20366 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
20368         * flow.c (regset_bytes, regset_size): Remove.
20370         * cfganal.c: Fix a reference to Harvey's paper.
20372 2005-01-23  Steven Bosscher  <stevenb@suse.de>
20374         PR rtl-optimization/19464
20375         * tree-optimize.c (init_tree_optimization_passes): Add one more
20376         copyrename pass just before out-of-ssa.
20378 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
20380         PR bootstrap/18058
20381         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
20382         * ggc-none.c (ggc_free): Define.
20384 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
20386         * cse.c (max_reg, max_insn_uid): Remove.
20387         (cse_main): Don't access max_reg or max_insn_uid.
20389         * c-common.c (explicit_flag_signed_bitfields,
20390         lang_statement_code_p, lang_expand_function_end): Remove.
20391         * c-common.h: Remove the corresponding declarations.
20392         * c-opts.c (c_common_handle_option): Remove all write access
20393         to explicit_flag_signed_bitfields.
20395         * cgraph.c (cgraph_varpool_n_nodes): Remove.
20396         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
20397         * cgraph.h: Remove the corresponding declaration.
20399         * gcse.c (null_pointer_info): Remove.
20401 2005-01-23  Roger Sayle  <roger@eyesopen.com>
20402             Eric Botcazou  <ebotcazou@libertysurf.fr>
20404         * combine.c (simplify_logical): Only simplify logical expressions
20405         of the form ior(and(x,y),z) by the inverse distributive law if the
20406         result is cheaper than the original.
20408 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
20410         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
20411         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
20412         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
20413         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
20414         config/freebsd-spec.h, config/arm/arm.h,
20415         config/h8300/h8300.md, config/i386/i386.md,
20416         config/i386/predicates.md, config/i386/sse.md,
20417         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
20418         config/vax/vax.md: Fix comment typos.  Follow spelling
20419         conventions.
20421 2005-01-23  Steven Bosscher  <stevenb@suse.de>
20423         * gengtype.c (walk_type): Produce `not equal to' compares for loop
20424         tests, instead of `less than'.
20426 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
20428         * function.c (assign_parm_setup_block): When creating a new stack slot
20429         for a parameter, get its alignment from the parameter's DECL_ALIGN
20430         rather than the type's TYPE_ALIGN.  Make sure that the parameter
20431         is at least word aligned.
20433 2005-01-22  Roger Sayle  <roger@eyesopen.com>
20435         PR middle-end/19378
20436         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
20438 2005-01-22  Richard Henderson  <rth@redhat.com>
20440         PR target/19506
20441         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
20442         in both compare operands.
20443         (movdfcc_1_sse_max): Likewise.
20444         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
20445         (movdfcc_1_sse): Likewise.
20446         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
20447         scratch register as needed.
20449 2005-01-22  Richard Henderson  <rth@redhat.com>
20451         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
20453         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
20455 2005-01-22  Richard Henderson  <rth@redhat.com>
20457         * genopinit.c (optabs): Use smin/smax for floating point too.
20458         * doc/md.texi: Update to match.  Clarify that floating point
20459         results are undefined for +0/-0 and NaN.
20460         * doc/rtl.texi: Likewise.
20461         * rtl.def (SMIN, SMAX): Likewise
20462         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
20464         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
20465         leading 's' to the name.
20466         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
20467         smaxxf3, sminxf3): Likewise.
20468         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
20469         Likewise.
20471 2005-01-22  Paul Brook  <paul@codesourcery.com>
20473         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
20475 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
20477         * config/s390/s390.c (struct processor_costs): New fields
20478         dlgr, dlr, dr, dsgfr, dsgr.
20479         (z900_cost, z990_cost): Values for new fields.
20480         (s390_rtx_costs): New cases MEM und COMPARE in switch
20481         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
20482         DIV, MOD, UDIV, UMOD.
20484 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
20486         * config/s390/s390.md ("doloop_si64"): Reload input value directly
20487         into the register being decremented.
20488         ("doloop_si31", "doloop_di"): Likewise.
20489         ("*doloop_si_long"): Adapt pattern.
20491 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
20493         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
20494         access registers.
20495         (CLASS_MAX_NREGS): Likewise.
20497 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
20499         * doc/tree-ssa.texi (Statement Operands): Add example for new
20500         must-def macro. Note deprecation of old operands interface.
20502 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
20504         PR tree-optimization/19484
20505         * tree-cfg.c (remove_fallthru_edge): New function.
20506         (cleanup_control_flow): Remove fallthru edges from calls that are
20507         now known not to return.
20509 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
20511         Fix PR tree-optimization/19038
20512         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
20513         copies with loop variant ones.
20515 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
20517         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
20518         config/alpha/alpha-protos.h, config/alpha/alpha.h,
20519         config/alpha/alpha.md, config/alpha/predicates.md,
20520         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
20521         config/sparc/sol2.h: Update copyright.
20523         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
20524         first label to see if it is a nonlocal label.
20526 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
20527             Andrew Pinski  <pinskia@physics.uc.edu>
20529         PR target/19491
20530         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
20531         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
20533 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
20535         * config/rs6000/rtems.h: Update copyright.
20537 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
20539         PR target/19548
20540         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
20541         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
20542         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
20544 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
20546         PR c/18809
20547         * c-typeck.c (convert_arguments): Check for error_mark_node.
20549 2005-01-21  Ian Lance Taylor  <ian@airs.com>
20551         PR tree-optimization/13000
20552         * tree-inline.c: Include "tree-flow.h".
20553         (expand_call_inline): If warn_return_type, warn if non-void inline
20554         function falls through.
20555         * tree-cfg.c (execute_warn_function_return): Don't warn about
20556         control reaching end if TREE_NO_WARNING is set.  Set
20557         TREE_NO_WARNING.
20558         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
20559         has been lowered.
20560         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
20561         branch if we don't need one.
20562         * c-typeck.c: Include "tree-flow.h"
20563         (c_finish_bc_stmt): Don't add a goto if the current statement
20564         list doesn't fall through to the current point.
20566 2005-01-21  Roger Sayle  <roger@eyesopen.com>
20568         PR rtl-optimization/576
20569         * real.c (real_arithmetic): Change return type from void to bool
20570         to return an indication that the result may be inexact.
20571         * real.h (real_arithmeric): Update prototype.
20572         * fold-const.c (const_binop):  Don't constant fold floating
20573         point expressions when the user specifies -frounding-math and
20574         the result may depend upon the run-time rounding mode.
20575         (fold_convert_const_real_from_real): Clean-up.
20576         (fold_initializer): Ignore flag_rounding_math for initializers.
20577         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
20578         constant fold FP operations with flag_rounding_math if the
20579         result may depend upon the run-time rounding mode.
20581 2005-01-21  Tom Tromey  <tromey@redhat.com>
20583         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
20585 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
20587         * tree-cfg.c: Fix comment typos.
20589 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
20591         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
20592         around the call to rest_of_handle_branch_target_load_optimize.
20594 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
20596         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
20597         (sparc64-*-openbsd*): Likewise.
20598         (sparclite-*-elf*): Include tm-dwarf2.h.
20599         (sparc86x-*-elf*): Likewise.
20600         (sparc64-*-elf*): Likewise.
20601         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
20602         (DBX_DEBUGGING_INFO): Likewise.
20603         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
20604         (PREFERRED_DEBUGGING_TYPE): Likewise.
20605         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
20606         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
20607         (PREFERRED_DEBUGGING_TYPE): Likewise.
20608         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
20609         (PREFERRED_DEBUGGING_TYPE): Likewise.
20610         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
20612 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
20614         PR target/18701
20615         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
20617 2005-01-20  Paul Brook  <paul@codesourcery.com>
20619         * doc/rtl.texi: Document value extension requirements for CONST_INT.
20621 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
20623         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
20624         label is first in a sequence of labels.
20626         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
20628 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
20629             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
20631         * doc/sourcebuild.texi (Test Directives): New.
20633 2005-01-20  Roger Sayle  <roger@eyesopen.com>
20635         * real.c (real_floor): Don't leave the result uninitialized when
20636         mode is VOIDMode, but return the unrounded intermediate value.
20637         (real_ceil): Likewise.
20639 2005-01-20  Paul Brook  <paul@codesourcery.com>
20641         * config/arm/arm.md (insv): Use gen_int_mode.
20643 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
20645         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
20646         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
20647         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
20648         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
20649         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
20651 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
20653         Fix PR debug/19124
20654         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
20655         fbreg, so we have to assume we can't.
20656         (loc_descriptor_from_tree_1): Ditto.
20657         (containing_function_has_frame_base): New function.
20658         (add_location_or_const_value_attribute): Use it.
20659         Also try to generate a frame_base from a single element location
20660         list.
20662 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
20664         PR tree-optimization/15349
20665         * timevar.def (TV_TREE_MERGE_PHI): New.
20666         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
20667         PHI_WANTED.
20668         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
20669         calls to tree_forwarder_block_p.
20670         (remove_forwarder_block_with_phi, merge_phi_nodes,
20671         gate_merge_phi, pass_merge_phi): New.
20672         * tree-optimize.c (init_tree_optimization_passes): Add
20673         pass_merge_phi.
20674         * tree-pass.h: Add an extern for pass_merge_phi;
20676 2005-01-20  Richard Henderson  <rth@redhat.com>
20678         PR target/19418
20679         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
20680         (_mm_castps_pd, _mm_castps_si128): New.
20681         (_mm_castsi128_ps, _mm_castsi128_pd): New.
20683 2005-01-20  Richard Henderson  <rth@redhat.com>
20685         PR target/19530
20686         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
20687         __builtin_ia32_vec_init_v2si.
20688         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
20689         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
20690         (ix86_init_mmx_sse_builtins): Create it.
20691         (ix86_expand_builtin): Expand it.
20692         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
20693         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
20694         (vec_extractv2si_0, vec_extractv2si_1): New.
20696 2005-01-20  Richard Henderson  <rth@redhat.com>
20698         PR target/16533
20699         * config/i386/i386.c (ix86_expand_push): New.
20700         * config/i386/mmx.md (push<MMXMODE>1): New.
20701         * config/i386/sse.md (push<SSEMODE>1): New.
20702         * config/i386/i386-protos.h: Update.
20704 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
20706         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
20707         copyright.
20709 2005-01-20  Richard Henderson  <rth@redhat.com>
20711         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
20712         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
20714 2005-01-19  Richard Henderson  <rth@redhat.com>
20716         PR target/19350
20717         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
20718         to V4SFmode in SSE1 fallback load path.
20720 2005-01-19  Richard Henderson  <rth@redhat.com>
20722         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
20723         in QImode expansion to ix86_expand_vector_set.
20724         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
20726 2005-01-19  Richard Henderson  <rth@redhat.com>
20728         PR target/19511
20729         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
20730         subclass of the input class.
20731         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
20732         Always true for cross-SSE1 classes.  Rationalize conditionals.
20733         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
20734         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
20735         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
20736         (movdi_2): Add MMX/SSE zeros.
20737         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
20738         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
20739         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
20740         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
20741         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
20742         (zero_extendsidi2_rex64_1): Remove.
20743         (MOV0 peephole): Check GENERAL_REG_P.
20745 2005-01-19  Richard Henderson  <rth@redhat.com>
20747         PR target/19427
20748         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
20749         shufps elements.
20750         (ix86_expand_vector_extract): Likewise.
20752 2005-01-19  Richard Henderson  <rth@redhat.com>
20754         PR middle-end/19304
20755         * expr.c (emit_move_change_mode): New argument force; use
20756         simplify_gen_subreg if true.
20757         (emit_move_via_alt_mode): Merge into ...
20758         (emit_move_via_integer): ... here.
20759         (emit_move_ccmode): Use emit_move_change_mode directly.
20761 2005-01-19  Richard Henderson  <rth@redhat.com>
20763         PR target/19518
20764         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
20765         (alpha_preferred_reload_class): Handle CONST_VECTOR.
20766         (alpha_emit_set_const_1): Add no_output parameter; don't emit
20767         rtl if true.
20768         (alpha_emit_set_const): Likewise.  Make static.
20769         (alpha_emit_set_long_const): Make static.
20770         (alpha_extract_integer): Split out from alpha_expand_mov.
20771         (alpha_split_const_mov): Likewise.
20772         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
20773         (alpha_legitimate_constant_p): New.
20774         * config/alpha/alpha-protos.h: Update.
20775         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
20776         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
20777         * config/alpha/alpha.md (movsi): Add n alternative.
20778         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
20779         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
20780         (splitters for all of the above): Use alpha_split_const_mov.
20781         * config/alpha/predicates.md (non_add_const_operand): New.
20782         (non_zero_const_operand): New.
20783         (input_operand): Use alpha_legitimate_constant_p after reload.
20785 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
20787         PR tree-optimization/19038
20788         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
20789         (add_candidate): Add ivs with increment in latch only if
20790         allow_ip_end_pos_p is true.
20791         (determine_iv_cost): Use empty_block_p.
20793 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
20795         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
20796         (compute_dominance_frontiers): Ditto.
20798 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
20800         PR target/19529
20801         * config/sh/t-rtems: New.
20802         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
20804 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
20806         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
20807         the offset of the selected field.
20809 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
20811         * tree-cfg.c (remove_forwarder_block): Fix the check to
20812         prevent a nonlocal label from appearing in the middle of a
20813         basic block.
20815 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
20817         PR rtl-optimization/19462
20818         * reorg.c (find_end_label): Create return insn only if
20819         current_function_epilogue_delay_list is empty.
20821 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
20823         * doc/passes.texi: Remove paragraph mentioning new-ra.
20825 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
20827         PR rtl-optimization/15139
20828         * combine.c: Include params.h.
20829         (count_rtxs): New function.
20830         (record_value_for_reg): If replace_rtx would replace at least
20831         2 occurrences of REG in VALUE and TEM is really large, replace REG with
20832         (clobber (const_int 0)) instead of TEM.
20833         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
20834         * params.h (MAX_LAST_VALUE_RTL): New.
20835         * Makefile.in (combine.o): Depend on $(PARAMS_H).
20836         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
20838         PR c/17297
20839         * c-typeck.c (digest_init): Only call build_vector if all constructor
20840         elements are *_CST nodes.
20841         * gimplify.c (gimplify_init_constructor): Likewise.
20843         PR middle-end/19164
20844         * c-typeck.c (digest_init): Only call build_vector if inside_init
20845         is a CONSTRUCTOR.
20847 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
20849         * toplev.c (init_asm_output): Remove dead #ifdef.
20851 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
20853         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
20855 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
20857         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
20858         accessing DECL_FUNCTION_CODE.
20859         * dojump.c (do_jump): Likewise.
20860         * gimplify.c (gimplify_call_expr): Likewise.
20861         * predict.c (expr_expected_value): Likewise.
20862         (strip_builtin_expect): Likewise.
20863         * tree-inline.c (estimate_num_insns_1): Likewise.
20864         * tree-ssa-loop-im.c (stmt_cost): Likewise
20865         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
20866         (tree_expr_nonnegative_p): Likewise.
20868 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
20870         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
20871         variant of the load_pcrel_sym pattern.
20872         * config/sparc/sparc.md (P macro): Move to the top.
20873         (load_pcrel_sym): Macroize using P.
20874         (save_register_window): Likewise.
20876 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
20878         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
20879         ("sordered"): Same.
20881 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
20883         PR C/19472
20884         * c-typeck.c (build_asm_expr): Strip nops off
20885         input memory operands.
20887 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
20889         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
20890         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
20891         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
20892         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
20894 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
20896         PR target/19379
20897         * config/i386/i386.c (override_options): If the 80387 is disabled,
20898         then do not return FP values using FP registers.
20900 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
20902         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
20903         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
20904         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
20905         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
20906         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
20907         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
20908         output.h, postreload-gcse.c, postreload.c, recog.c,
20909         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
20910         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
20911         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
20912         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
20913         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
20914         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
20915         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
20916         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
20918         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
20919         config/alpha/alpha.c, config/arm/vfp.md,
20920         config/i386/emmintrin.h, config/i386/i386-modes.def,
20921         config/i386/i386-protos.h, config/i386/i386.h,
20922         config/i386/pmmintrin.h, config/i386/ppro.md,
20923         config/i386/predicates.md, config/i386/xmmintrin.h,
20924         config/i860/i860.c, config/ia64/ia64-modes.def,
20925         config/ia64/ia64-protos.h, config/ia64/ia64.h,
20926         config/ia64/ia64.md, config/ia64/itanium1.md,
20927         config/ia64/itanium2.md, config/ia64/predicates.md,
20928         config/iq2000/iq2000.h, config/mips/linux64.h,
20929         config/rs6000/aix41.h, config/rs6000/aix43.h,
20930         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
20931         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
20932         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
20933         config/sparc/linux64.h, config/sparc/litecoff.h,
20934         config/sparc/sp64-elf.h, config/sparc/sparc.c,
20935         config/sparc/sparc.h, config/sparc/sparc.md,
20936         config/sparc/sysv4-only.h: Update copyright.
20938 2005-01-18  Richard Henderson  <rth@redhat.com>
20940         PR target/19496
20941         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
20943 2005-01-18  Marc Espie  <espie@openbsd.org>
20944         * config/i386/openbsdelf.h: Typo.
20946 2005-01-18  Richard Henderson  <rth@redhat.com>
20948         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
20949         special case for sse.
20950         * config/i386/predicates.md (sse_comparison_operator): Likewise.
20952 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
20954         * tree-inline.c (estimate_num_insns_1): Added cases for
20955         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
20957 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
20959         PR rtl-optimization/19296
20960         * combine.c (simplify_comparison): Rewrite the condition under
20961         which a non-paradoxical SUBREG of a PLUS can be lifted when
20962         compared against a constant.
20964 2005-01-18  Andi Kleen <ak@muc.de>
20966         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
20967         * c.opt (-Wpointer-sign): Add.
20968         * doc/invoke.texi: (-Wpointer-sign): Add.
20970 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
20972         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
20973         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
20974         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
20975         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
20976         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
20977         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
20978         for TARGET_MIX_SSE_I387.
20979         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
20980         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
20981         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
20982         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
20983         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
20984         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
20985         TARGET_MIX_SSE_I387.
20986         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
20987         from expander.
20989 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
20991         PR target/19424
20992         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
20993         Add movaps alternative for xmm reg->reg move.
20995 2005-01-17  Jeff Law  <law@redhat.com>
20997         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
20998         at the end of the main DOM loop rather than just before DOM exits.
21000 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
21002         PR tree-optimization/19121
21003         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
21004         adding aliases to a name tag, also add them to the pointer's
21005         type tag.
21006         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
21007         sensitive alias info at all.  Only check that the two pointers
21008         have compatible pointed-to sets.
21009         * tree-ssa.c (verify_name_tags): Verify that the alias set of
21010         a pointer's type tag is a superset of the alias set of the
21011         pointer's name tag.
21013 2005-01-17  James E Wilson  <wilson@specifixinc.com>
21015         PR target/19357
21016         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
21017         comment to document why.
21019 2005-01-17  Richard Henderson  <rth@redhat.com>
21021         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
21022         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
21023         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
21024         sse2_vmsminv2df3_finite): New.
21025         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
21026         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
21027         Force op1 into register.
21029 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
21031         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
21032         bubblestrap from always rebuilding build directory.
21034 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
21036         * config/s390/s390.md ("*clc"): Remove incorrect '='.
21037         ("*cmpmem_short"): Likewise.
21039 2005-01-17  Steven Bosscher  <stevenb@suse.de>
21041         * basic-block.h: Document BB_* flags.
21042         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
21043         use an sbitmap instead.
21044         * sched-rgn.c (compute_trg_info): Likewise.
21046 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
21048         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
21049         redundant target_cpu_default and extra_parts lines.  Use the default
21050         "from-abi" ISA.
21051         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
21052         (SUBTARGET_EXTRA_SPECS): Delete.
21053         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
21054         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
21055         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
21056         and "n32" for -mabi=n32.
21058 2005-01-17  Ian Lance Taylor  <ian@airs.com>
21060         PR c/5675
21061         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
21062         fold constant variables into initial values.
21064 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
21066         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
21068         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
21069         through the statements backward.
21071 2005-01-17  Ian Lance Taylor  <ian@airs.com>
21073         PR middle-end/13127:
21074         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
21075         a variable set to the return value of the inlined function.
21077 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
21079         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
21080         when modes are tieable.
21082 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
21084         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
21085         of pthread_create to find out if threads are enabled.
21086         * gthr-posix95.h (__gthread_active_p): Likewise.
21088 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
21090         * common.opt (-fnew-ra): Remove.
21091         * ra*.*: Remove.
21092         * toplev.h (flag_new_regalloc): Remove.
21093         * Makefile.in (ra*.*): Don't mention.
21094         * passes.c (rest_of_handle_new_regalloc): Remove.
21095         (rest_of_handle_combine, rest_of_compilation): Always consider
21096         flag_new_regalloc as false.
21097         * doc/invoke.texi: Don't document -fnew-ra.
21099 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
21101         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
21102         last parameter to reg_scan.
21103         * loop.c (loop_optimize): Likewise.
21104         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
21105         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
21106         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
21107         rest_of_handle_gcse, rest_of_handle_loop_optimize,
21108         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
21109         * regclass.c (reg_scan): Likewise, for the declaration.
21110         * rtl.h (reg_scan): Likewise, for the prototype.
21112 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
21114         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
21115         mark_dfs_back_edges.
21117 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
21119         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
21120         (compute_avail): Uses don't go in tmp_gen.
21122 2005-01-16  Steven Bosscher  <stevenb@suse.de>
21124         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
21125         loop to look for a free slot in a page entry.
21127 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21129         PR target/16304
21130         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
21131         * toplev.c (compile_file): Call process_pending_assemble_output_defs
21132         just before targetm.asm_out.file_end.
21133         * tree.h (process_pending_assemble_output_defs): Declare.
21134         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
21135         New functions.
21136         (assemble_alias): Defer generation of assembly code for defines when
21137         TARGET_DEFERRED_OUTPUT_DEFS is true.
21138         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
21139         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
21140         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
21142 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21144         PR target/19336
21145         * pa.c (pa_scalar_mode_supported_p): New function.
21146         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
21147         * pa.h (MIN_UNITS_PER_WORD): Add comment.
21149         * pa-protos.h (prefetch_operand): Delete.
21150         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
21151         * pa.c (prefetch_operand): Delete.
21152         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
21153         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
21154         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
21155         and prefetch_nocc_operand.
21156         * pa.md (prefetch): Rework to avoid reload problems handling short
21157         displacements when a cache control completer needs to be provided.
21158         (prefetch_32, prefetch_64): Delete.
21159         (prefetch_cc, prefetch_nocc): New patterns.
21161 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
21163         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
21165 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
21167         PR ada/19388
21168         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
21169         exceeds maximum alignment for global common data.
21170         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
21171         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
21173 2004-01-15  Roger Sayle  <roger@eyesopen.com>
21175         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
21177 2004-01-15  Roger Sayle  <roger@eyesopen.com>
21179         * harg-reg-set.h (reg_class_names): Prototype global array.
21180         * regclass.c (reg_class_names): Declare here and initialize to
21181         REG_CLASS_NAMES.
21182         (dump_regclass): Remove local declaration of reg_class_names.
21183         (regclass): Likewise.
21184         * cfg.c (dump_flow_info): Likewise.
21185         * ra-debug.c (reg_class_names): Likewise.
21186         * regrename.c (reg_class_names): Likewise.
21187         * reload.c (reg_class_names): Likewise.
21188         * reload1.c (spill_failure): Likewise.
21189         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
21191 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
21193         * config/s390/s390.md ("reload_outti"): Remove predicate for
21194         output operand.  Abort if operand is not a MEM.
21195         ("reload_outdi", "reload_outdf"): Likewise.
21197 2005-01-15  Marc Espie  <espie@openbsd.org>
21199         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
21200         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
21201         * config/openbsd.h:  Fix C++ includes for native configurations.
21202         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
21203         Add trampoline support.
21204         * config/i386/openbsdelf.h: New.
21206 2005-01-15  Marc Espie  <espie@openbsd.org>
21208         * collect2.c (main): Explicitly parse -dynamic-linker option.
21210 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
21212         PR tree-optimization/19060
21213         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
21214         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
21215         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
21216         and handle extract_range_from_cond returning false.
21217         * fold-const.c (fold): Optimize comparisons with min/max even for
21218         width > HOST_BITS_PER_WIDE_INT.
21220 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
21222         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
21223         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
21224         Remove little endian multilib variants.
21225         Add mips32 multilib variant.
21227 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
21229         * explow.c (copy_all_reg, stabilize): Remove.
21230         * expr.h: Remove the corresponding prototypes.
21232         * rtlanal.c (regs_set_between_p): Remove.
21233         * rtl.h: Remove the corresponding prototype.
21235 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
21237         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
21238         to rs6000_nonimmediate_operand.
21239         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
21240         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
21241         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
21242         rs6000_nonimmediate_operand.
21243         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
21244         rs6000_nonimmediate_operand.
21246 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
21248         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
21250 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
21252         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
21253         on e500v2.
21254         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
21255         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
21257         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
21258         (rs6k_nonimmediate_operand): New.
21259         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
21260         correctly.
21261         (legitimate_lo_sum_address_p): Same.
21262         (rs6000_legitimize_address): Same.
21263         (rs6000_legitimize_reload_address): Same.
21264         (rs6000_legitimate_address): Same.
21265         (spe_build_register_parallel): Pass DF and DC modes in a DI
21266         register.
21268         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
21269         to rs6k_nonimmediate_operand.
21271         * config/rs6000/spe.md ("*frob_df_di"): New.
21272         ("*frob_di_df"): New.
21273         ("*frob_di_df_2"): New.
21274         ("*mov_sidf_e500_subreg0"): New.
21275         ("*mov_sidf_e500_subreg4"): New.
21276         ("*movdf_e500_double"): Change predicate to
21277         rs6k_nonimmediate_operand.
21279 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
21281         * postreload.c (move2add_note_store): Only call
21282         trunc_int_for_mode on scalar integers.
21284 2005-01-14  Steven Bosscher  <stevenb@suse.de>
21286         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
21287         replace BB_VISITED uses.
21288         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
21289         (propagate_necessity): Check the bitmap instead of BB_VISITED.
21290         (tree_dce_done): Free visited_control_parents.
21291         (perform_tree_ssa_dce): Allocate and clear it.
21292         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
21293         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
21294         instead of BB_VISITED.
21296 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
21298         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
21299         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
21300         Remove unused prototypes.
21302 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
21304         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
21305         64-bit register usage.
21306         (spe_func_has_64bit_regs_p): Add FIXME note.
21308 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
21310         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
21311         flag_finite_math_only with flag_unsafe_math_optimizations.
21313 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
21315         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
21316         end-of-stack check.
21317         (__tpf_eh_return): Copy TPF private stack area from the module
21318         boundary stack frame.  Add check for when module addresses are
21319         equal, but no stub address is found.
21321 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
21323         PR target/7525
21324         * arm.h (struct machine_function): Add call_via field.
21325         (thumb_call_via_label): Declare.
21326         * arm.c (thumb_call_via_label): New variable.
21327         (thumb_call_reg_needed): New variable.
21328         (arm_output_function_epilogue): For Thumb code, output any per-function
21329         call-indirect trampolines.
21330         (thumb_call_via_reg): New function.
21331         (arm_file_end): New function.
21332         (TARGET_ASM_FILE_END): Call arm_file_end.
21333         (aof_file_end): Likewise.
21334         * arm-protos.h (thumb_call_via_reg): Declare.
21335         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
21336         thumb_call_via_reg in normal case.
21338 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
21340         PR middle-end/19084
21341         PR rtl-optimization/19348
21342         * recog.c (peephole2_optimize): Do global life update if some peephole
21343         decides it doesn't need at least one of its inputs and that change
21344         influences liveness at the start of the basic block.
21346         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
21347         arguments instead of 1.
21349 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
21351         PR middle-end/18820
21352         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
21353         zero for nested functions needing a static chain or functions
21354         with a non-constant address.
21356 2005-01-13  Roger Sayle  <roger@eyesopen.com>
21358         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
21359         (and (sign_extend X) C) into (zero_extend (and X C)).
21361 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
21363         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
21365 2005-01-13  Richard Henderson  <rth@redhat.com>
21367         PR target/19009
21368         PR target/19250
21369         PR target/19252
21370         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
21371         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
21372         not just TARGET_SSE.
21373         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
21374         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
21375         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
21376         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
21377         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
21378         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
21379         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
21380         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
21381         (movdicc_c_rex64): Rename with '*'.
21382         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
21383         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
21384         (movsfcc_1_387): Rename from movsfcc_1.
21385         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
21386         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
21387         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
21388         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
21389         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
21390         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
21391         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
21392         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
21393         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
21394         sse_movdfcc_const0_4): Remove.
21395         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
21396         recognize min/max early.  Update for changed sse cmove patterns.
21397         (ix86_split_sse_movcc): New.
21398         * config/i386/i386-protos.h: Update.
21400 2005-01-13  Steven Bosscher  <stevenb@suse.de>
21402         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
21403         (fix_stmt_v_may_defs): Likewise.
21405 2005-01-13  Richard Henderson  <rth@redhat.com>
21407         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
21408         for converting the mask.
21410 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
21412         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
21413         definition to 600.
21415 2005-01-13  Richard Henderson  <rth@redhat.com>
21417         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
21418         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
21419         IX86_BUILTIN_MOVDQ2Q): Remove.
21420         (IX86_BUILTIN_VEC_EXT_V4SI): New.
21421         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
21422         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
21423         shuffling.
21424         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
21425         (sse2_pextrw): Fix immediate constraint.
21426         (sse2_loadq, sse2_loadq_rex64): Remove.
21427         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
21428         Use __builtin_ia32_vec_ext_<size>.
21429         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
21431 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
21433         * function.c (assign_parm_setup_block): Look inside original
21434         entry_parm when inspecting PARALLEL.
21436 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
21437             Joel Sherrill  <joel@oarcorp.com>
21439         PR target/19399
21440         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
21441         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
21442         rtems_gxx_recursive_mutex_init.
21443         (__gthread_recursive_mutex_lock): New function.
21444         (__gthread_recursive_mutex_trylock): Likewise.
21445         (__gthread_recursive_mutex_unlock): Likewise.
21447 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
21449         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
21451 2005-01-13  Jan Beulich  <jbeulich@novell.com>
21453         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
21454         (ashrti3_internal): Indicate output is early clobber. Generate result
21455         into output rather than first input. Use move for low word of output
21456         if shift count is exactly 64.
21457         (lshrti3_internal): Likewise.
21459 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
21461         PR target/18329
21462         PR target/18330
21463         * reload1.c (delete_output_reload): Don't delete an output reload
21464         if the pseudo lives longer than a single basic block.  Adjust and
21465         improve wording of comment.
21467 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
21469         PR target/19334
21470         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
21471         of TYPE_SIZE where we mean the number of bytes.
21473 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
21475         * function.c (assign_parm_setup_block): Relax condition on
21476         multi-register optimization.
21478 2005-01-12  Nick Clifton  <nickc@redhat.com>
21480         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
21481         an "in_delay_slot" attribute of "no" to prevent them being used in
21482         delay slots.  This is forbidden because they might generate
21483         exceptions.
21485 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
21487         PR target/19389
21488         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
21489         with r->Y and Y->r.
21491 2005-01-12  Nick Clifton  <nickc@redhat.com>
21493         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
21494         passed on to GAS) but do not define, as GAS no longer supports or
21495         needs the -m2000 option.
21497 2005-01-11  Roger Sayle  <roger@eyesopen.com>
21499         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
21500         type as args of unprototyped builtins aren't automatically promoted.
21501         (fold_builtin_abs): Likewise.
21503 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
21505         * Makefile.in: Set a `build-warn' variable.
21507 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
21509         PR tree-optimization/17949
21510         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
21511         (find_interesting_uses_address): Use it.
21513 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
21515         * regrename.c (kill_value): Handle subreg's that won't simplify.
21517 2005-01-11  Richard Henderson  <rth@redhat.com>
21519         PR target/13366
21520         * config/i386/i386.h (enum ix86_builtins): Move ...
21521         * config/i386/i386.c: ... here.
21522         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
21523         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
21524         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
21525         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
21526         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
21527         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
21528         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
21529         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
21530         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
21531         IX86_BUILTIN_LOADDDUP): Remove.
21532         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
21533         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
21534         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
21535         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
21536         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
21537         (ix86_init_builtins): Make static.
21538         (ix86_init_mmx_sse_builtins): Update for changed builtins.
21539         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
21540         if all the modes match.  Otherwise, fake it.
21541         (get_element_number, ix86_expand_vec_init_builtin,
21542         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
21543         (ix86_expand_builtin): Make static.  Update for changed builtins.
21544         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
21545         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
21546         (ix86_expand_vector_init_duplicate): New.
21547         (ix86_expand_vector_init_low_nonzero): New.
21548         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
21549         Split out from ix86_expand_vector_init; handle integer modes.
21550         (ix86_expand_vector_init): Use them.
21551         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
21552         * config/i386/i386-protos.h: Update.
21553         * config/i386/predicates.md (reg_or_0_operand): New.
21554         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
21555         (movv2sf_internal): Likewise.  And a splitter to match them all.
21556         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
21557         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
21558         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
21559         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
21560         (mmx_pinsrw): Fix operand ordering.
21561         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
21562         rather than sse_loadss expander.
21563         (movv2df splitter): Similarly.
21564         (sse_loadss, sse_loadlss): Remove.
21565         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
21566         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
21567         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
21568         (sse3_movddup): Rename with '*'.
21569         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
21570         (sse2_loadsd): Remove.
21571         (vec_dupv2df_sse3): Rename from sse3_loadddup.
21572         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
21573         (sse2_pinsrw): Fix argument ordering.
21574         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
21575         (sse2_stored): Remove 'r' destination.
21576         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
21577         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
21578         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
21579         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
21580         vec_extractv16qi, vec_initv16qi): New.
21582         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
21583         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
21584         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
21585         constructor form.
21586         (_mm_load_pd, _mm_store_pd): Use plain dereference.
21587         (_mm_load_si128, _mm_store_si128): Likewise.
21588         (_mm_load1_pd): Use _mm_set1_pd.
21589         (_mm_load_sd): Use _mm_set_sd.
21590         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
21591         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
21592         (_mm_set_epi64): Use _mm_set_epi64x.
21593         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
21594         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
21595         _mm_setr_epi8): Use _mm_set_foo form.
21596         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
21597         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
21598         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
21599         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
21600         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
21601         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
21602         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
21603         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
21604         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
21605         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
21606         (_mm_movedup_pd): Use _mm_shuffle_pd.
21607         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
21608         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
21609         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
21610         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
21611         Use _mm_setzero_ps.
21612         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
21613         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
21614         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
21615         (_mm_store_ps): Use raw dereference.
21616         (_mm_store1_ps): Use _mm_storeu_ps.
21617         (_mm_storer_ps): Use _mm_store_ps.
21618         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
21619         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
21621 2005-01-11  Stan Shebs  <shebs@apple.com>
21623         * config/rs6000/rs6000.c (machopic_output_stub): Issue
21624         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
21626 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
21628         PR target/18761
21629         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
21630         Skip all DECLs except for FIELD_DECLs.
21632 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
21634         * config/s390/s390.c (override_options): Return error if
21635         -mbackchain, -mpacked-stack and -mhard-float are used together.
21636         (s390_va_start): Remove the backchain && packed-stack special case.
21637         (s390_gimplify_va_arg): Likewise.
21638         * doc/invoke.texi: Remove the ABI incompatibility note.
21640 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
21642         * config/s390/s390.c (struct s390_frame_layout): Remove
21643         save_backchain_p.
21644         (s390_frame_info, s390_emit_prologue): Replace occurrences of
21645         save_backchain_p with TARGET_BACKCHAIN.
21647 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
21649         PR target/18916
21650         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
21651         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
21652         * function.c (locate_and_pad_parm): Set new field.
21653         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
21654         Tweak where_pad test to include "none".  Always set mem align for
21655         stack_parm.
21656         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
21657         not sufficient for type.
21658         (assign_parm_setup_block): If stack_parm is zero on entry, always
21659         make a new stack local.  Block move old stack parm if necessary
21660         to new aligned stack local.
21661         (assign_parm_setup_stack): Use a block move to handle
21662         potentially misaligned entry_parm.
21663         (assign_parms_unsplit_complex): Specify required alignment when
21664         creating stack local.
21665         * calls.c (compute_argument_addresses): Override alignment of stack
21666         arg calculated from its type with the alignment given by
21667         FUNCTION_ARG_BOUNDARY.
21668         (store_one_arg): Likewise.
21670 2005-01-11  Jan Beulich  <jbeulich@novell.com>
21672         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
21673         Change respective itanium_class attribute to ialu.
21674         (shladdp4_internal): New.
21675         * config/ia64/predicates.md (shladd_log2_operand): New.
21677 2005-01-11  Richard Henderson  <rth@redhat.com>
21679         * expr.c (store_constructor): Use rtvec_alloc instead of
21680         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
21682 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
21684         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
21686 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
21688         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
21689         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
21690         (TARGET_RWRELOC): Define.
21691         (ia64_rwreloc_section_type_flags): Delete.
21692         (ia64_section_type_flags): New function.
21693         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
21694         (TARGET_RWRELOC): Define.
21696 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
21698         PR target/18987
21699         * config/ia64/ia64.c (process_set): For alloc insn, only call
21700         process_epilogue is !frame_pointer_needed.
21702 2005-01-10  Roger Sayle  <roger@eyesopen.com>
21704         PR c++/19355
21705         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
21706         unary operator and can't be treated as a binary/comparison operator.
21708 2005-01-10  Richard Henderson  <rth@redhat.com>
21710         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
21711         (ix86_return_in_memory): Likewise.
21712         (function_arg_advance):  Likewise.  Mirror structure in function_arg
21713         for choosing register to advance.
21715 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
21717         * tree-vectorizer.c, tree.def: Fix comment typos.
21719 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
21721         * config/s390/s390.c (struct processor_costs): 4 new fields:
21722         ddbr, ddr, debr, der.
21723         (s390_rtx_costs): More precise handling of divide instructions.
21725 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
21727         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
21729 2005-01-10  Jan Beulich  <jbeulich@novell.com>
21731         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
21732         names resulting from -ffunction-sections/-fdata-sections and linkonce
21733         ones.
21734         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
21735         based on the section name. Rearrange the section name comparison logic
21736         slightly so that each section name is compared against at most once.
21738 2005-01-10  Ben Elliston  <bje@au.ibm.com>
21740         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
21741         targets for which -fPIC reduces limitations on the GOT size.
21743 2005-01-09  Falk Hueffner  <falk@debian.org>
21745         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
21746         X/C1 cmpop C2.
21748 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
21750         PR target/18720
21751         * collect2.c (main): Set aixrtl_flag for -brtl option.
21752         (resolve_lib_name): Search for .so file extension before .a
21753         if aixrtl_flag set.
21755 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
21757         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
21758         (vect_analyze_data_refs_alignment): Add dump prints.
21760 2005-01-09  Ira Rosen  <irar@il.ibm.com>
21762         * tree-vectorizer.c (vect_analyze_offset_expr): Use
21763         expr_invariant_in_loop_p.
21764         Initialize outputs first thing in the function.
21765         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
21766         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
21767         (vect_analyze_pointer_ref_access): Check that the initial condition of
21768         the access function is loop invariant.
21770 2005-01-09  Richard Henderson  <rth@redhat.com>
21772         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
21773         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
21774         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
21775         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
21776         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
21777         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
21778         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
21779         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
21780         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
21781         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
21782         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
21783         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
21784         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
21785         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
21786         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
21787         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
21788         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
21789         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
21790         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
21791         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
21792         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
21793         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
21794         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
21795         mmx_ prefix.
21796         (mmx_clrdi, pavgusb): Remove.
21797         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
21798         with leading sse_ prefix.
21799         * config/i386/sse.md: Receive them.
21800         * config/i386/mmx.md: New file.
21801         (MMXMODE12, MMXMODE24, mmxvecsize): New.
21802         (subrv2sf3): Turn into expander for normal subtraction.
21803         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
21804         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
21805         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
21806         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
21807         commutative; use ix86_binary_operator_ok.
21808         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
21809         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
21810         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
21811         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
21812         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
21813         Macroize from existing patterns; use ix86_binary_operator_ok.
21814         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
21815         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
21816         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
21817         with vec_select+vec_concat.
21818         (mmx_pshufw, mmx_pshufw_1): Likewise.
21819         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
21820         (mmx_uavgv4hi3): Model correctly.
21821         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
21822         _mm_xor_si64): Remove casts.
21824 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
21826         PR tree-optimization/19224
21827         * tree-scalar-evolution.c (get_instantiated_value,
21828         set_instantiated_value): New functions.
21829         (instantiate_parameters_1): Cache the results.
21830         (instantiate_parameters, resolve_mixers): Initialize and free
21831         the cache.
21833 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
21835         * config/i386/i386.md (addhi_4): Correct reference in comment.
21836         (addqi_4): Same.
21838 2005-01-08  Richard Henderson  <rth@redhat.com>
21840         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
21841         (_mm_cvtsi128_si64x): Likewise.
21842         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
21843         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
21844         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
21845         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
21846         * config/i386/i386-protos.h: Update.
21847         * config/i386/i386.c (print_operand): Add 'H'.
21848         (ix86_fixup_binary_operands): Split out from ...
21849         (ix86_expand_binary_operator): ... here.
21850         (ix86_fixup_binary_operands_no_copy): New.
21851         (ix86_expand_fp_absneg_operator): Handle vector mode results.
21852         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
21853         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
21854         (safe_vector_operand): Use CONST0_RTX.
21855         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
21856         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
21857         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
21858         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
21859         special cases.
21860         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
21861         (IX86_BUILTIN_CMPNGESS): New.
21862         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
21863         (attr type): Add sselog1.
21864         (attr unit, attr memory): Handle it.
21865         (movti, movti_internal, movti_rex64): Move near other integer moves.
21866         (movtf, movtf_internal): Move near other fp moves.
21867         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
21868         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
21869         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
21870         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
21871         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
21872         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
21873         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
21874         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
21875         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
21876         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
21877         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
21878         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
21879         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
21880         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
21881         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
21882         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
21883         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
21884         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
21885         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
21886         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
21887         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
21888         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
21889         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
21890         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
21891         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
21892         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
21893         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
21894         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
21895         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
21896         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
21897         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
21898         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
21899         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
21900         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
21901         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
21902         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
21903         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
21904         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
21905         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
21906         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
21907         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
21908         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
21909         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
21910         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
21911         same time.
21912         (SSEPUSH, push<SSEPUSH>): Remove.
21913         (MMXPUSH, push<MMXPUSH>): Remove.
21914         (sse_movaps, sse_movaps_1, sse_movups): Remove.
21915         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
21916         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
21917         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
21918         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
21919         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
21920         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
21921         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
21922         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
21923         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
21924         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
21925         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
21926         (ppro_sse_log_V4SF): Handle sselog1.
21927         * config/i386/predicates.md (const_0_to_1_operand): New.
21928         (const_0_to_255_mul_8_operand): New.
21929         (const_1_to_31_operand): Rename from const_int_1_31_operand.
21930         (const_2_to_3_operand, const_4_to_7_operand): New.
21931         * config/i386/sse.md: New file.
21932         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
21933         (sse_movups): Rename from sse_movups_1.
21934         (sse_loadlss): Rename from sse_loadss_1.
21935         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
21936         from the name.
21937         (negv4sf2): Use ix86_expand_fp_absneg_operator.
21938         (absv4sf2, negv2df, absv2df): New.
21939         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
21940         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
21941         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
21942         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
21943         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
21944         (sse3_addsubv4sf3): Model correctly.
21945         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
21946         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
21947         (sse_movhlps): Model with vec_select+vec_concat.
21948         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
21949         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
21950         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
21951         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
21952         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
21953         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
21954         sse2_pshufhw_1): Likewise.
21955         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
21956         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
21957         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
21958         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
21959         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
21960         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
21961         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
21962         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
21963         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
21964         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
21965         sminv8hi3): Mark commutative
21966         operands.  Use ix86_binary_operator_ok.
21967         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
21968         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
21969         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
21970         sse2_punpcklqdq): Allow operand2 in memory.
21971         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
21972         sse2_movsd): Add memory alternatives.
21973         (sse_storelps): Turn expander into an insn; split after reload.
21974         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
21975         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
21977 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
21979         * configure.ac (DWARF-2 debug_line): Use objdump.
21980         * configure: Regenerate.
21982 2005-01-08  Jeff Law  <law@redhat.com>
21983             Diego Novillo  <dnovillo@redhat.com>
21985         PR tree-optimization/18241
21986         * tree-nrv.c (tree_nrv): Ignore volatile return values.
21987         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
21988         statements with volatile operands.
21989         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
21990         operands after marking a statement with has_volatile_ops.
21992 2005-01-08  Roger Sayle  <roger@eyesopen.com>
21994         * tree.c (int_fits_type_p): Always honor integer constant
21995         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
21997 2005-01-08  Roger Sayle  <roger@eyesopen.com>
21999         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
22000         the latent bug in rtl_delete_block has been resolved.
22002 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
22004         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
22005         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
22007 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
22009         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
22010         library as @multilib_dir@/$(SHLIB_SONAME).
22012 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
22014         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
22015         * configure: Regenerate.
22017 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
22019         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
22020         TYPE_MODE.
22022 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
22024         PR target/13674
22025         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
22026         Convert non-word aligned offset address using ld/std into
22027         indirect address.
22029 2005-01-07  Richard Henderson  <rth@redhat.com>
22031         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
22033 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
22035         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
22037 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
22039         PR tree-optimization/19283
22040         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
22041         is not shorter than the original type.
22043         PR rtl-optimization/19012
22044         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
22046         PR rtl-optimization/18861
22047         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
22048         (FULL_STATE): Define.
22049         (mark_tablejump_edge): New function.
22050         (purge_dead_tablejump_edges): New function.
22051         (find_bb_boundaries): Use it.
22053         PR tree-optimization/18828
22054         * builtins.c (expand_builtin_next_arg): Remove argument and all
22055         the argument checking.
22056         (expand_builtin): Adjust caller.
22057         (expand_builtin_va_start): Likewise.  Remove error for too many
22058         arguments.
22059         (fold_builtin_next_arg): Issue error for too many arguments.
22060         After checking arguments, replace them with magic arguments that
22061         prevent further checking of the args.
22063 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
22065         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
22067 2005-01-06  Roger Sayle  <roger@eyesopen.com>
22069         PR target/6077
22070         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
22071         and %{.S:...} (and their negative variants) to test whether the
22072         input file is assembler or pre-processed-assembler independent of
22073         the actual filename extension.
22075 2005-01-06  Roger Sayle  <roger@eyesopen.com>
22077         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
22078         of sign or zero extended values.
22080 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
22082         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
22083         for IBM long double format correctly.
22085 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
22087         Fix PR tree-optimization/18792
22089         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
22090         to first_loop_depth, and use loop depth instead of loop number.
22091         (build_classic_dir_vector): Ditto.
22092         (compute_data_dependences_for_loop): Use depth, not loop number.
22093         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
22094         number. Pass in loops, instead of loop numbers.
22095         (gather_interchange_stats): Ditto.
22096         (linear_transform_loops): Ditto.
22098 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
22100         PR rtl-opt/13299
22101         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
22102         biv_fits_mode_p, extension_within_bounds_p): New functions.
22103         (check_ext_dependent_givs): Use them.
22105 2005-01-06  Roger Sayle  <roger@eyesopen.com>
22107         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
22108         more than one barrier, in which case we should delete them all.
22110 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
22112         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
22114 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
22116         Fix PR middle-end/19286
22117         Fix PR debug/19267
22118         * dwarf2out.c (gen_subprogram_die): If we've already tried to
22119         output this subprogram, simply ignore this attempt to do it again.
22120         (add_abstract_origin_attribute): Don't abort trying to add the abstract
22121         origin attribute if it's not possible.
22122         (gen_block_die): Don't ignore subblocks of "unused" blocks.
22123         (decls_for_scope): Ditto.
22124         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
22125         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
22127 2005-01-05  Richard Henderson  <rth@redhat.com>
22129         PR target/11327
22130         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
22131         (bdesc_2arg): Use it.
22132         (ix86_expand_binop_builtin): Force operands into registers
22133         when optimizing.
22134         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
22135         ix86_expand_sse_compare, ix86_expand_sse_comi,
22136         ix86_expand_builtin): Likewise.
22138 2005-01-05  Richard Henderson  <rth@redhat.com>
22140         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
22141         and VEC_SELECT.
22142         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
22143         (mulv4hi3): Set itanium_class mmmul.
22144         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
22145         (fpack): Rename from fpack_sfsf.
22147 2005-01-05  Richard Henderson  <rth@redhat.com>
22149         PR rtl-opt/10692
22150         * reload1.c (do_input_reload): Restrict the optimization deleteing
22151         a previous output reload to RELOAD_FOR_INPUT.
22153 2005-01-05  Steven Bosscher  <stevenb@suse.de>
22155         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
22156         comment that we fall through after case.
22157         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
22158         (distribute_links): Likewise.
22159         * cse.c (cse_insn): Likewise.
22160         * cselib.c (cselib_invalidate_mem): Likewise.
22161         * df.c: Update comments at the top of the file.
22162         (read_modify_subreg_p): Update comments here too.
22163         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
22164         * flow.c (mark_set_1): Likewise.
22165         (mark_used_regs): Likewise.
22166         * gcse.c (mems_conflict_for_gcse_p): Likewise.
22167         (canon_list_insert): Likewise.
22168         (mark_set): Likewise.
22169         (try_replace_reg): Likewise.
22170         (store_killed_in_insn): Likewise.
22171         * loop.c (count_one_set): Likewise.
22172         (basic_induction_var): Likewise.
22173         * postreload-gcse.c (find_mem_conflicts): Likewise.
22174         * postreload.c (reload_combine_note_store): Likewise.
22175         (move2add_note_store): Likewise.
22176         * reload.c (find_equiv_reg): Likewise.
22177         (mark_referenced_resources): Likewise.
22178         * rtlanal.c (set_noop_p): Likewise.
22179         (note_stores): Likewise.
22180         (note_uses): Likewise.
22181         * sched-deps.c (sched_analyze_1): Likewise.
22182         * sched-rgn.c (check_live_1): Likewise.
22183         (update_live_1): Likewise.
22184         * config/i860/i860.c: Likewise.
22186         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
22187         an lvalue.
22188         (ZERO_EXTRACT): Mention that this one can be an lvalue.
22190         * doc/rtl.texi: Update documentation for bit-fields and SET.
22192 2005-01-05  Roger Sayle  <roger@eyesopen.com>
22194         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
22196 2005-01-05  Jan Hubicka  <jh@suse.cz>
22197             Richard Henderson  <rth@redhat.com>
22199         PR target/18910
22200         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
22201         with an offset.
22203 2005-01-05  Richard Henderson  <rth@redhat.com>
22205         PR target/12902
22206         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
22207         (sse_shufps): Change operand 3 to const_int_operand.
22208         (sse2_storelps): Fix typo in template.
22209         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
22210         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
22211         (ix86_expand_builtin): Likewise.
22213 2005-01-05  Julian Brown  <julian@codesourcery.com>
22215         * config/arm/arm.c (arm_return_in_memory): Treat complex types
22216         as aggregates for AAPCS ABIs.
22218 2005-01-05  Stan Shebs  <shebs@apple.com>
22220         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
22221         Mach-O getters if ppc64.
22222         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
22223         size argument.
22224         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
22225         signed four-byte field for global code case.
22226         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
22228 2005-01-05  Roger Sayle  <roger@eyesopen.com>
22230         PR middle-end/19100
22231         * c-common.c: Include real.h.
22232         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
22233         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
22234         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
22235         * Makefile.in (c-common.o): Update dependencies.
22237 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
22239         * c-parse.in (asm_string): Add trailing semicolon.
22241 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
22243         * c-parse.in (asm_string): New.  Don't allow wide strings in
22244         'asm'.
22245         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
22246         asm_string instead of STRING.
22248 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
22250         * c-typeck.c (constructor_no_implicit): Remove.
22251         (set_designator, process_init_element): Don't check
22252         constructor_no_implicit.
22254 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
22255             Kaz Kojima  <kkojima@gcc.gnu.org>
22257         PR target/16482
22258         * lcm.c (create_pre_exit): New.
22259         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
22260         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
22262 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
22264         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
22265         -msoft-float in target_float_switch.
22266         * arm.c (arm_override_options): Fix processing of target_float_switch.
22268 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
22270         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
22271         preferencing.
22273 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
22275         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
22276         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
22278 2005-01-04  Roger Sayle  <roger@eyesopen.com>
22280         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
22281         if deleting the then-block allows the test-block to fallthru to the
22282         else-block.
22284 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
22286         PR c/19152
22287         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
22288         after the full declaration if the are in two different TUs.
22290 2005-01-04  Richard Henderson  <rth@redhat.com>
22292         PR tree-opt/19158
22293         * tree-sra.c (generate_one_element_init): Just
22294         call gimplify_and_add.
22295         (generate_element_init): Record the
22296         new referenced variables and mark them for renaming
22297         and split out to ...
22298         (generate_element_init_1): This.
22299         (scalarize_init): Don't call push_gimplify_context/
22300         pop_gimplify_context.
22302 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
22304         * toplev.c (get_src_pwd): Handle failure of getpwd().
22306 2005-01-04  Roger Sayle  <roger@eyesopen.com>
22308         * fold-const.c (fold_single_bit_test): Delete unreachable handling
22309         of TRUTH_NOT_EXPR.
22310         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
22311         all the cases handled by it are inverted by invert_truthvalue.
22313 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
22315         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
22316         (save_register_windowsi): Likewise.
22318 2005-01-04  Richard Henderson  <rth@redhat.com>
22320         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
22322 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
22324         PR middle-end/17767
22325         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
22326         any simplifications of vector mode comparison operators.
22327         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
22329 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
22330             Devang Patel  <dpatel@apple.com>
22332         PR tree-optimization/18308
22333         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
22334         the operands before creating a new expression.
22335         * dojump.c (do_jump): Make drop_through_label available
22336         for all cases.  Add expansion of COND_EXPR.
22338 2005-01-04  Ira Rosen  <irar@il.ibm.com>
22340         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
22341         INTEGER_CST instead of TREE_CONSTANT.
22342         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
22343         instead of TREE_CONSTANT.
22344         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
22345         instead of TREE_CONSTANT.
22347 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
22349         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
22351 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
22353         PR target/19240
22354         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
22355         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
22357 2005-01-03  Richard Henderson  <rth@redhat.com>
22359         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
22360         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
22361         fold_convert_const_real_from_real): Split out from ...
22362         (fold_convert_const): ... here.
22364 2005-01-03  Richard Henderson  <rth@redhat.com>
22366         PR target/19235
22367         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
22368         (mov<MMXMODEI>_internal): Likewise.
22369         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
22370         Add V2SF case; use it for SSE1; don't use TI.
22371         (movdf_integer): Likewise.
22372         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
22374 2005-01-03  Ira Rosen  <irar@il.ibm.com>
22376         * tree-vectorizer.c (vect_strip_conversions): New function.
22377         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
22378         check for binary class.
22380 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
22382         Fix PR debug/17924
22383         Fix PR debug/19191
22384         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
22385         is a decl.
22386         * gimple-low.c (mark_blocks_with_used_vars): New function.
22387         (mark_blocks_with_used_subblocks): Ditto.
22388         (mark_used_blocks): Ditto.
22389         (pass_mark_used_blocks): New pass.
22390         * tree-inline.c: Include debug.h.
22391         (expand_call_inline): Call outlining_inline_function here.
22392         * tree-optimize.c (init_tree_optimization_passes): Add
22393         pass_mark_used_blocks.
22394         * tree-pass.h (pass_mark_used_blocks): New.
22395         * Makefile.in (tree-inline.o): Add debug.h dependency.
22397 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
22399         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
22400         VAR_DECLs to have weak_import attribute.
22402         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
22403         'struct ucontext'.
22405 2004-01-03  Steven Bosscher  <stevenb@suse.de>
22407         * passes.c (rest_of_compilation): Don't run regmove if only
22408         flag_expensive_optimizations, require flag_regmove instead.
22410 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
22412         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
22413         register "sparc".
22414         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
22415         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
22416         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
22417         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
22419 2005-01-03  Richard Henderson  <rth@redhat.com>
22421         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
22422         (ia64_const_ok_for_letter_p): New.
22423         (ia64_const_double_ok_for_letter_p): New.
22424         (ia64_extra_constraint): New.
22425         (ia64_expand_vecint_compare): New.
22426         (ia64_expand_vcondu_v2si): New.
22427         (ia64_expand_vecint_cmov): New.
22428         (ia64_expand_vecint_minmax): New.
22429         (ia64_print_operand): Add 'v'.
22430         (ia64_preferred_reload_class): New.
22431         (ia64_vector_mode_supported_p): New.
22432         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
22433         (PREFERRED_RELOAD_CLASS): Move to function.
22434         (CONST_OK_FOR_LETTER_P): Move to function.
22435         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
22436         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
22437         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
22438         (EXTRA_CONSTRAINT): Move to function.
22439         * config/ia64/ia64.md: Include vect.md.
22440         (itanium_class): Add mmalua.
22441         (type): Handle it.
22442         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
22443         (1b_mmalua): New.
22444         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
22445         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
22446         CONST0_RTX.
22447         (const_int_2bit_operand): New.
22448         (fr_reg_or_0_operand): New.
22449         * config/ia64/ia64-modes.def: Add vector modes.
22450         * config/ia64/ia64-protos.h: Update.
22451         * config/ia64/vect.md: New file.
22453 2005-01-03  Richard Henderson  <rth@redhat.com>
22455         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
22457 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
22459         PR target/19236
22460         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
22461         to SFmode.
22462         (log1pdf2): Change mode of operands[0,1] to DFmode.
22464 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
22466         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
22467         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
22468         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
22469         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
22470         SPARC_RELAXED_ORDERING.
22472 2005-01-03  Richard Henderson  <rth@redhat.com>
22473             Uros Bizjak  <uros@kss-loka.si>
22475         PR target/14631
22476         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
22477         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
22478         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
22479         handling.
22480         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
22481         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
22482         const_pow2_1_to_128_operand): New predicates.
22484 2005-01-02  Greg McGary  <greg@mcgary.org>
22486         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
22487         anonymous decls.
22488         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
22489         object.  [ptr_type]: Remove unused variable.
22490         Remember nearest addressable array-element or record-component
22491         when checking bitfield components.  Tolerate empty BIND_EXPR.
22493 2005-01-01  Richard Henderson  <rth@redhat.com>
22495         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
22496         that don't narrow the value.  Fail for other conversions.
22498 2005-01-01  Richard Henderson  <rth@redhat.com>
22500         PR c/19031
22501         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
22502         * c-lang.c (finish_file): Don't do it here.
22503         * objc/objc-act.c (objc_finish_file): Likewise.
22505         * cgraph.c (decl_assembler_name_equal): New.
22506         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
22507         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
22508         * cgraph.h (struct cgraph_varpool_node): Add next.
22509         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
22510         * varasm.c (assemble_alias): Mark the target as needed.
22512 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
22514         PR middle-end/19221
22515         * function.c (get_arg_pointer_save_area): Use entry_of_function
22516         instead of get_insns.
22518 2005-01-01  Roger Sayle  <roger@eyesopen.com>
22519             Andrew Pinski  <pinskia@physics.uc.edu>
22520             James E. Wilson  <wilson@specifixinc.com>
22522         PR rtl-optimization/12092
22523         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
22524         is zero.
22526 2005-01-01  Roger Sayle  <roger@eyesopen.com>
22527             Olivier Hainque  <hainque@act-europe.fr>
22529         * tree.c (int_fits_type_p): A narrower type always fits in a
22530         wider one, except for negative values into unsigned types.
22532 2005-01-01  Roger Sayle  <roger@eyesopen.com>
22534         * tree.c (int_fits_type_p): Compare the result of force_fit_type
22535         with the original constant rather than require TREE_OVERFLOW.
22537 2005-01-01  Steven Bosscher  <stevenb@suse.de>
22539         PR middle-end/17544
22540         * c-decl.c (finish_function): If compiling C99, annotate the
22541         compiler generated return with the current file name and line 0.
22542         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
22543         the source line is greater than 0.
22544         (remove_bb): Likewise.