gcc/
[official-gcc.git] / gcc / ChangeLog
blob00385a640cafb7b31997917a725e59402c1c9895
1 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
3         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
4         alternatives as movsi_cf.
5         (movsf_cf_hard): Add commentary.
7 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
8             Richard Sandiford  <richard@codesourcery.com>
10         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
11         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
12         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
13         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
14         as being live on exit from an interrupt function.
15         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
16         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
17         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
18         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
19         (m68k_interrupt_function_p): Globalize.
20         (m68k_compute_frame_layout): Remove reverse mask code.
21         (m68k_emit_movem, m68k_set_frame_related): New functions.
22         (m68k_output_function_prologue): Delete in favor of...
23         (m68k_expand_prologue): ...this new function.
24         (m68k_output_function_epilogue): Delete in favor of...
25         (m68k_expand_epilogue): ...this new function.
26         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
27         functions.
28         (print_operand): Handle %?.
29         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
30         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
31         (prologue, epilogue): New patterns.
32         (return): Turn into a define_expand.
33         (*return): New pattern, derived from old "return" pattern.  Use rte
34         rather than rts for interrupt functions.  Only use rtd if the pop
35         count is nonzero.
36         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
37         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
38         (link, *link, unlink, *unlink, load_got): Likewise.
40 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
42         PR target/23482
43         PR target/17114
44         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
45         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
46         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
47         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
48         and m68k_matches_u_p.
49         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
50         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
51         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
52         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
53         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
54         (REG_STRICT_P): New macro.
55         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
56         PCREL_GENERAL_OPERAND_OK.
57         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
58         m68k_legitimate_base_reg_p.
59         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
60         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
61         (PIC_CASE_VECTOR_ADDRESS): Update comment.
62         * config/m68k/m68k.c (m68k_address): New structure.
63         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
64         (m68k_decompose_index, m68k_legitimate_constant_address_p)
65         (m68k_jump_table_ref_p, m68k_decompose_address)
66         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
67         (m68k_matches_u_p): New functions.
68         (print_operand_address): Rewrite to use m68k_decompose_index.
70 2007/03/05  David Taylor  <dtaylor@emc.com>
72         * gcc.c: Correct copyright date in --version output.
74 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
76         * pa.md: In unamed move patterns, disparge copies between general
77         and floating point registers using '?' modifier.  Don't include 'f'
78         constraint for register preferences in DImode, SImode, HImode and
79         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
80         Remove constraints for copies between general and floating registers
81         in soft-float DFmode pattern.
82         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
83         floating register.
84         (movsf): Likewise. 
86 2007-03-05  Mike Stump  <mrs@apple.com>
88         * c-common.c (targetcm): Add.   
89         * c-opts.c (c_common_handle_option): Handle language specific
90         target options.
91         * opts.c (handle_option): Verify language for target options, if
92         any are given.
93         * opth-gen.awk: Add CL_LANG_ALL.
94         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
95         (TARGETCM_INITIALIZER): Add.
96         * target.h (struct gcc_targetcm): Add.
97         (targetcm): Add.
98         * targhooks.c (default_handle_c_option): Add.
99         * targhooks.h (default_handle_c_option): Add.
100         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
102         * config/darwin.opt (iframework): Add.
103         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
104         * config/darwin-c.c (handle_c_option): Add.
105         (TARGET_HANDLE_C_OPTION): Add.
106         (targetcm): Add.
107         * doc/invoke.texi (Darwin Options): Add -iframework.
109 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
111         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
112         conversion.
114 2007-03-05  Ian Lance Taylor  <iant@google.com>
116         * c.opt (fgnu89-inline): New option.
117         * c-opts.c (c_common_post_options): Set default value for
118         flag_gnu89_inline.
119         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
120         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
121         inline functions.
122         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
123         (grokdeclarator, start_function): Likewise.
124         * c-cppbuiltin.c (c_cpp_builtins): Define either
125         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
126         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
127         (C Dialect Options): Document -fgnu89-inline.
128         * doc/extend.texi (Function Attributes): Explain what the
129         gnu_inline attribute does.
130         * doc/cpp.texi (Common Predefined Macros): Document
131         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
133 2007-03-05  Ian Lance Taylor  <iant@google.com>
135         PR tree-optimization/31034
136         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
137         half-range if the other side is an overflow infinity.
139 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
141         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
142         (bfin*-linux-uclibc*): New configuration.
143         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
144         defining.
145         * config/bfin/linux.h: New file.
146         * config/bfin/libgcc-bfin.ver: New file.
147         * config/bfin/t-bfin-uclinux: New file.
148         * config/bfin/t-bfin-linux: New file.
149         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
150         (TARGET_OS_CPP_BUILTINS): New macro.
152 2007-03-05  Richard Guenther  <rguenther@suse.de>
154         * fold-const.c (fold_binary): Remove duplicate folding
155         of comparison of non-null ADDR_EXPR against null.
157 2007-03-05  Richard Guenther  <rguenther@suse.de>
158         Dorit Nuzman  <dorit@il.ibm.com>
160         PR tree-optimization/26420
161         * tree-vectorizer.c (vectorize_loops): Bail out early if there
162         are no loops in the function.  Only print the number of
163         vectorized loops if it is greater than zero or we are supposed
164         to print information about unvectorized loops.
166 2007-03-05  Revital Eres  <eres@il.ibm.com>
168       * gcc.dg/var-expand1.c: New test.
169       * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
170       when an accumulator is expanded.
172 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
174         PR other/30465
175         * c-common.c (convert_and_check): Don't give warnings for
176         conversion if 'expr' already overflowed.
177         
178 2007-03-04  Roger Sayle  <roger@eyesopen.com>
180         PR middle-end/30744
181         * fold-const.c (fold_comparison): Enforce type consistency when
182         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
184 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
186         * tree-ssa-address.c (create_mem_ref): Do not put an expression
187         containing a cast to the base of TARGET_MEM_REF.
189 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
191         * tree.c (tree_contains_struct_check_failed): Remove spurious
192         whitespace from error message.
194 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
196         PR target/30406
197         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
198         instead of precision.
200 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
201             Nathan Sidwell  <nathan@codesourcery.com>
203         * emit-rtl.c (find_auto_inc): New.
204         (try_split): recreate REG_INC notes,
205         Use regular for loops rather than whiles.
207 2007-03-03  Andreas Schwab  <schwab@suse.de>
209         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
210         * configure: Regenerate.
212 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
214         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
215         flag_rounding_math, not flag_unsafe_math_optimizations.
217         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
218         fold_build2.
219         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
220         alpha_fold_vector_minmax): Likewise.
221         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
222         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
224 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
226         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
227         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
228         if the lhs has side-effects.
229         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
231 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
233         * config/i386/i386.h (TUNEMASK): Remove define.
234         (ARCHMASK): Remove define.
235         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
236          Use ix86_arch_mask variable instead of ARCHMASK.
237         * config/i386/i386.c (override_options): Ditto.
238         (standard_80387_constant_p): Ditto.
240 2007-03-02  Ian Lance Taylor  <iant@google.com>
242         Used signed infinities in VRP.
243         * tree-vrp.c (uses_overflow_infinity): New static function.
244         (supports_overflow_infinity): New static function.
245         (make_overflow_infinity): New static function.
246         (negative_overflow_infinity): New static function.
247         (positive_overflow_infinity): New static function.
248         (is_negative_overflow_infinity): New static function.
249         (is_positive_overflow_infinity): New static function.
250         (is_overflow_infinity): New static function.
251         (overflow_infinity_range_p): New static function.
252         (compare_values_warnv): New function split out of compare_values.
253         (compare_value): Call it.
254         (set_value_range_to_nonnegative): Add overflow_infinity
255         parameter.  Change caller.
256         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
257         Change callers.
258         (vrp_expr_computes_nonzero): Likewise.
259         (compare_ranges, compare_range_with_value): Likewise.
260         (compare_name_with_value, compare_names): Likewise.
261         (vrp_evaluate_conditional): Likewise.
262         (set_value_range): Handle infinity
263         (vrp_operand_equal_p, operand_less_p): Likewise.
264         (extract_range_from_assert): Likewise.
265         (vrp_int_const_binop): Likewise.
266         (extract_range_from_binary_expr): Likewise.
267         (extract_range_from_unary_expr): Likewise.
268         (extract_range_from_comparison): Likewise.
269         (extract_range_from_expr): Likewise.
270         (dump_value_range): Likewise.
271         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
272         (test_for_singularity): Likewise.
273         (vrp_int_const_binop): Remove inline qualifier.
274         (adjust_range_with_scev): Add comment.
275         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
277 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
279         * tree-ssa-structalias.c (could_have_pointers): Tidy.
280         (get_constraint_for): Likewise.
281         (do_structure_copy): Likewise.
282         (find_func_aliases): Fix references to MODIFY_EXPR.
283         (intra_create_variable_infos): Tidy.
284         * tree-ssa-operands.c (add_virtual_operand): Add argument
285         IS_CALL_SITE.
286         When adding members of alias sets, if IS_CALL_SITE is true and
287         the symbol is not call-clobbered, skip it.
288         Adjust all callers.
290 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
292         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
293         entry by means of emit_insn_at_entry.
295 2007-03-02  Richard Henderson  <rth@redhat.com>
297         * expr.h (promoted_input_arg): Remove decl.
298         * function.c (promoted_input_arg): Merge into ...
299         * combine.c (setup_incoming_promotions): ... only caller.
300         Rearrange to avoid double loop.
302 2007-03-02  Ben Elliston  <bje@au.ibm.com>
303             Peter Bergner  <bergner@vnet.ibm.com>
304             Janis Johnson  <janis187@us.ibm.com>
306         * config/rs6000/dfp.md: New file.
307         * config/rs6000/rs6000.md: Include dfp.md.
308         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
309         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
310         and TDmode decimal float modes in FP registers.
311         (num_insns_constant): Likewise.
312         (rs6000_legitimate_offset_address_p): Likewise.
313         (rs6000_legitimize_address): Likewise.
314         (rs6000_legitimize_reload_address): Likewise.
315         (rs6000_legitimate_address): Likewise.
316         (rs6000_emit_move): Likewise.
317         (function_arg_boundary): Likewise.
318         (function_arg_advance): Likewise.
319         (rs6000_darwin64_record_arg_recurse): Likewise.
320         (function_arg): Likewise.
321         (rs6000_gimplify_va_arg): Likewise.
322         (rs6000_split_multireg_move): Likewise.
323         (rs6000_output_function_epilogue): Likewise.
324         (rs6000_output_function_epilogue): Likewise.
325         (rs6000_register_move_cost): Likewise.
326         (rs6000_function_value): Likewise.
327         (rs6000_libcall_value): Likewise.
329 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
331         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
333 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
335         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
336         Use $MULTIDIR to choose between the kernel and RTP headers,
337         and use $WIND_BASE and $WIND_USR to locate them.
339 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
341         * config/i386/i386.c (override_options): Put initialization of
342         ix86_tune_mask and ix86_arch_mask to the correct place.
344 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
345             Michael Meissner  <michael.meissner@amd.com>
347         PR target/31019
348         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
349         (ARCHMASK): Define.
350         (TARGET_CMOVE): Use ARCHMASK.
351         (TARGET_CMPXCHG): Ditto.
352         (TARGET_CMPXCHG8B): Ditto.
353         (TARGET_XADD): Ditto.
354         (TARGET_BSWAP): Ditto.
355         * config/i386/i386.c (ix86_tune_mask): New global variable.
356         (ix86_arch_mask): Ditto.
357         (override_options): Initialize ix86_tune_mask and
358         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
359         target_flags.
361 2007-03-02  Ben Elliston  <bje@au.ibm.com>
363         PR 30992
364         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
366 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
368         * target.h (init_dwarf_reg_sizes_extra): New target hook.
369         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
370         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
371         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
372         hook.
373         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
374         rs6000_init_dwarf_reg_sizes_extra): New.
375         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
376         SPE register high parts.
378 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
380         * Makefile.in: Add install-pdf target as
381         copied from automake v1.10 rules.
382         * configure.ac: Add install-pdf to target list.
383         * configure: Regenerate.
385 2007-03-01  Paul Brook  <paul@codesourcery.com>
387         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
388         modes to LDRD for DImode.
389         (output_move_double): Fixup out of range ldrd/strd.
390         (vfp_secondary_reload_class): Rename...
391         (coproc_secondary_reload_class): ... to this.  Add wb argument.
392         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
393         coproc_secondary_reload_class for CLASS_IWMMXT.
394         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
395         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
397 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
399         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
400         factor by the estimated number of iterations.
401         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
402         prefetch latency.
404         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
405         decode_caches_intel, detect_caches_intel): New functions.
406         (host_detect_local_cpu): Use detect_caches_amd and
407         detect_caches_intel.
409 2007-03-01  Richard Henderson  <rth@redhat.com>
411         * expr.c (emit_move_complex_push): Export.
412         (emit_move_complex_parts): Split out from ...
413         (emit_move_complex): ... here.
414         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
415         * config/i386/i386.md (movcdi): New.
417 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
419         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
420         size of mode1 to check for tieable modes in MMX case.
422 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
424         * Makefile.in (rtlanal.o): Depend on tree.h.
425         * rtl.h (offset_within_section_p, split_const): Declare.
426         * rtlanal.c: Include tree.h.
427         (offset_within_block_p): New function, taken from
428         mips_offset_within_object_p.
429         (split_const): New function, taken from mips_split_const.
430         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
431         Declare.
432         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
433         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
434         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
435         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
436         (m68k_illegitimate_symbolic_constant_p): New function.
437         * config/m68k/m68k.md (movsi): Remove misleading predicates.
438         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
439         symbolic constant that might be outside the symbol's section,
440         move the symbol first and then add the offset.
441         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
442         Override.
443         * config/mips/mips.c (mips_split_const): Delete.
444         (mips_offset_within_object_p): Delete.
445         (mips_symbolic_constant_p): Use offset_within_section_p and
446         split_const instead of mips_offset_within_object_p and
447         mips_split_const.
448         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
449         (mips_legitimize_const_move, print_operand_reloc)
450         (mips_dangerous_for_la25_p): Use split_const instead of
451         mips_split_const.
453 2007-02-28  Eric Christopher  <echristo@apple.com>
455         * Makefile.in (install-include-dir): Don't rm -rf include.
457 2007-02-28  Richard Guenther  <rguenther@suse.de>
459         PR middle-end/30364
460         * fold-const.c (fold_binary): Do not associate expressions
461         with more than one variable for integer types that do not wrap.
463 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
465         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
466         Delete, and replace with...
467         (fold_builtin_call_array): This.  Update callers to use it.
468         * fold-const.c (fold_build_call_list): Delete, and replace with...
469         (fold_build_call_array): This.
470         (fold_build_call_list_initializer): Delete, and replace with...
471         (fold_build_call_array_initializer): This.
472         * tree.h: Update declarations to reflect above changes.
474         * c-typeck.c (build_function_call): Store converted arguments
475         in a stack-allocated array instead of building a list.
476         (convert_arguments): Store arguments in the array passed in as an
477         argument, and return the actual number of arguments.
478         * c-format.c: (check_function_format): Pass arguments in an
479         array instead of a list.
480         * c-common.c (check_function_nonnull): Likewise.
481         (check_function_sentinel): Likewise.
482         (check_function_arguments): Likewise.
483         * c-common.h: Update declarations to reflect above changes.
485 2007-02-28  Jan Hubicka  <jh@suse.cz>
487         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
488         PRED_NEGATIVE_RETURN): Update outcomes.
490 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
492         * calls.c (emit_library_call_value_1): Handle partial registers
493         correctly when building up CALL_INSN_FUNCTION_USAGE.
495 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
497         * pa/predicates.md (move_src_operand): Allow zero for mode.
498         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
499         move pattern.
501 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
503         PR target/30970
504         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
505         *movv2df_internal): Enable pattern only for valid operand
506         combinations.
507         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
508         tie only 128bit modes. For MMX registers, tie only 64bit modes.
510 2007-02-27  Mike Stump  <mrs@apple.com>
512         * config/darwin-crt3.c: Avoid compilation when compiling for a
513         kext multilib.
515 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
517         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
518         FIXED_INCLUDE_DIR.
519         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
520         for fixed headers and limits.h.
521         (install-include-dir, install-headers-tar, install-headers-cpio,
522         install-headers-cp, real-install-headers-tar,
523         real-install-headers-cpio, real-install-headers-cp): Handle
524         include-fixed as well as include.
525         (install-mkheaders): Don't install files that go only in include
526         not include-fixed.
527         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
528         from GCC_INCLUDE_DIR.
529         * gcc.c (process_command): Remove special -BstageN/ handling.
530         (do_spec_1): Add include-fixed directories.
532 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
534         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
535         _smulsi3_highpart.
536         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
537         New functions.
538         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
539         patterns.
541 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
543         * c-common.c (get_priority): Add check for
544         SUPPORTS_INIT_PRIORITY.
546 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
548         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
550         * config/bfin/bfin.c: Include "cfglayout.h".
551         (MAX_LSETUP_DISTANCE): New macro.
552         (struct loop_info): New members incoming, incoming_src and
553         incoming_dest.  Delete member predecessor.
554         (length_for_loop): New function.
555         (bfin_optimize_loop): Handle more different loop structures.
556         (bfin_discover_loop): Rework detection of predecessor blocks by
557         examining incoming edges.
558         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
559         bfin_reorg_loops.
560         (bfin_reorder_loops): New function.
561         (bfin_reorg_loops): Use these three new functions.
563         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
564         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
565         (CONSTRAINT_LEN): Add entry for 'q'.
566         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
567         Add 'q' constraints.
568         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
569         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
571         * config/bfin/bfin.md (add_with_carry): New pattern.
572         (s_or_u, su_optab, su_modifier): New code macros/attrs.
573         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
574         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
575         support unsigned multiplies too.  Removed incorrect commutativity from
576         operand 1 constraint where appropriate.
577         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
578         patterns.
579         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
580         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
581         New patterns.
582         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
583         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
584         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
585         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
586         usmulhisi_hh_huh): New patterns.
588         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
589         lshifthi3): Fix output template to use half reg for operand 2.
591         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
592         instead of R2.
594         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
596 2007-02-27  Andreas Schwab  <schwab@suse.de>
598         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
600 2007-02-27  Jan Hubicka  <jh@suse.cz>
602         * predict.c (last_basic_block_p): Remove.
603         (tree_estimate_probability): Update return heuristic for commonized
604         return blocks.
606 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
608         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
610 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
612         * doc/include/gcc-common.texi (versionsubtitle): New macro.
613         * doc/cpp.texi: Standardize title page.
614         * doc/cppinternals.texi: Likewise.
615         * doc/gcc.texi: Standardize title page, remove version number
616         from copyright page.
617         * doc/gccint.texi: Likewise.
618         * doc/install.texi: Standardize title page, add table of
619         contents.
621 2007-02-26  Jan Hubicka  <jh@suse.cz>
623         * predict.def: Set outcomes according to more recent results.
624         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
625         Remove dead predictors.
626         * predict.c (return_prediction): Fix pasto.
628 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
630         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
631         change; avoid a memory leak when returning early.
633 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
635         * c-decl.c (static_ctors): Move to c-common.c.
636         (static_dtors): Likewise.
637         (finish_function): Use c_record_cdtor_fn.
638         (build_cdtor): Move to c-common.c.
639         (c_write_global_declarations): Use c_build_cdtor_fns.
640         * c-common.h (static_ctors): Declare.
641         (static_dtors): Likewise.
642         (c_record_cdtor_fn): Likewise.
643         (c_build_cdtor_fns): Likewise.
644         * c-common.c (static_ctors): New variable.
645         (static_dtors): Likewise.
646         (c_record_cdtor_fn): New function.
647         (build_cdtor): Move from c-decl.c
648         (c_build_cdtor_fns): New function.
650         * output.h (assemble_addr_to_section): Declare.
651         (get_cdtor_priority_section): Likewise.
652         * varasm.c (assemble_addr_to_section): New function.
653         (get_cdtor_priority_section): Likewise.
654         (default_named_section_asm_out_destructor): Use them.
655         (destor_dtor_section_asm_out_destructor): Likewise.
656         (default_named_section_asm_out_constructor): Likewise.
657         (default_ctor_section_asm_out_constructor): Likewise.
658         * config.gcc (*-*-vxworks*): Include vxworks.o.
659         * config/t-vxworks (vxworks.o): New target.
660         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
661         (TARGET_ASM_CONSTRUCTOR): Define.
662         (TARGET_ASM_DESTRUCTOR): Likewise.
663         (vxworks_asm_out_constructor): Declare.
664         (vxworks_asm_out_destructor): Likewise.
666         * c-common.c (get_priority): Check that we have not just an
667         INTEGER_CST, but an integer constant with integeral type.
669 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
671         PR tree-optimization/30938
672         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
673         use &dt[nargs-1] instead of &dt[nargs] in the call to
674         vect_is_simple_use().
676 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
678         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
679         from register elimination as PRE_MODIFY / POST_MODIFY increments.
680         Do not attempt to handle MEM inside auto-inc expressions.
681         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
682         of a register modified by an auto-inc expression.  However, do handle
683         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
684         (elimination_effects): Prohibit elimination of a register modified
685         by an auto-inc expression.  Disable register elimination rules whose
686         target register is modified by an auto-inc expression with variable
687         increment.
689 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
691         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
692         off-by-one error.
693         (array_at_struct_end_p): New function.
694         (idx_infer_loop_bounds): Use it.
695         (estimate_numbers_of_iterations_loop): Export.
696         * predict.c (predict_loops): Use estimated_loop_iterations_int.
697         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
698         (tree_estimate_probability): Call record_loop_exits.
699         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
700         (estimated_loop_iterations, estimated_loop_iterations_int,
701         estimated_loop_iterations_tree): New functions.
702         (analyze_siv_subscript_cst_affine,
703         compute_overlap_steps_for_affine_1_2,
704         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
705         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
706         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
707         (PRED_LOOP_ITERATIONS_GUESSED): New.
708         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
709         * cfgloop.h (estimate_numbers_of_iterations_loop,
710         estimated_loop_iterations_int): Declare.
712 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
714         * doc/extend.texi: Document optional priority argument to
715         constructors and destructors.
716         * tree.c (init_priority_for_decl): Adjust GTY markers.
717         (init_ttree): Use priority-info hash functions for
718         init_priority_for_decl.
719         (tree_map_eq): Rename to ...
720         (tree_map_base_eq): ... this.
721         (tree_map_marked_p): Rename to ...
722         (tree_map_base_marked_p): ... this.
723         (tree_map_base_hash): New function.
724         (decl_init_priority_lookup): Rework.
725         (decl_fini_priority_lookup): New function.
726         (decl_priority_info): New function.
727         (decl_init_priority_insert): Use it.
728         (decl_fini_priority_insert): Likewise.
729         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
730         hierarchy.
731         (decl_restrict_base_insert): Likewise.
732         (decl_debug_expr_insert): Likewise.
733         (decl_value_expr_lookup): Likewise.
734         (decl_value_expr_insert): Likewise.
735         * tree.h (priority_type): New type.
736         (decl_init_priority_lookup): Use priority_type.
737         (decl_fini_priority_lookup): New function.
738         (decl_init_priority_insert): Use priority_type.
739         (decl_fini_priority_insert): New function.
740         (DECL_HAS_INIT_PRIORITY): Tweak comments.
741         (DECL_INIT_PRIORITY): Likewise.
742         (SET_DECL_INIT_PRIORITY): Add comment.
743         (DECL_FINI_PRIORITY): New macro.
744         (SET_DECL_FINI_PRIORITY): Likewise.
745         (DEFAULT_INIT_PRIORITY): Document.
746         (MAX_INIT_PRIORITY): Likewise.
747         (MAX_RESERVED_INIT_PRIORITY): Likewise.
748         (tree_map_base): New type.
749         (tree_map_base_eq): New function.
750         (tree_map_base_hash): Likewise.
751         (tree_map_base_marked_p): Likewise.
752         (tree_map): Inherit from tree_map_base.
753         (tree_map_eq): Make it a macro.
754         (tree_map_marked_p): Likewise.
755         (tree_int_map): Inherit from tree_map_base.
756         (tree_int_map_eq): Make it a macro.
757         (tree_int_map_hash): Likewise.
758         (tree_int_map_marked_p): Likewise.
759         (tree_priority_map): New type.
760         (tree_priority_map_eq): New macro.
761         (tree_priority_map_hash): Likewise.
762         (tree_priority_map_marked_p): Likewise.
763         * varasm.c (emults_decl): Adjust for refactoring of tree_map
764         hierarchy.
765         (emutls_common_1): Likewise.
766         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
767         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
768         of tree_map hierarchy.
769         * tree-cfg.c (move_stmt_r): Likewise.
770         (new_label_mapper): Likewise.
771         * c-tree.h (c_expand_body): Move to ...
772         * c-common.h (c_expand_body): ... here.
773         * c-decl.c (c_expand_body): Move to ...
774         * c-common.c (c_expand_body): ... here.
775         (c_common_attribute_table): Allow 1 argument for the constructor
776         and destructor attributes.
777         (get_priority): New function.
778         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
779         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
781 2007-02-24  Jan Hubicka  <jh@suse.cz>
783         PR middle-end/30509
784         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
786 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
787             Jan Hubicka  <jh@suse.cz>
789         PR target/30778
790         * i386.c (counter_mode): New function.
791         (expand_set_or_movmem_via_loop): Use it.
792         (expand_movmem_epilogue): Likewise; fix pasto.
793         (ix86_expand_movmem): Do emit guard even for constant counts.
794         (ix86_expand_setmem): Likewise.
796 2007-02-25  Nick Clifton  <nickc@redhat.com>
798         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
799         (JUMP_TABLES_IN_TEXT_SECTION): Define.
801 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
803         PR target/30770
804         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
805         count argument with 0x10, not with 0x16.
806         (expand_setmem_epilogue): Ditto.
808 2007-02-24  Mike Stump  <mrs@apple.com>
810         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
811         symbols.
813 2007-02-24  Richard Guenther  <rguenther@suse.de>
815         PR middle-end/30951
816         * fold-const.c (fold_binary): Fold x +- CST op x for
817         EQ_EXPR and NE_EXPR.
819 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
821         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
823 2007-02-24  Jan Hubicka  <jh@suse.cz>
825         * cgraphunit.c (decide_is_function_needed): Honor
826         -fkeep-inline-functions.
828 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
830         * builtins.c (fold_builtin_modf): New.
831         (fold_builtin_2): Use it.
833 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
835         * loop-iv.c (implies_p): Detect additional cases where A implies B.
836         (determine_max_iter): Take additional LOOP arg; all callers changed.
837         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
838         one using simplifications.
839         (simplify_using_initial_values): Return if the expression becomes
840         invalid due to altered regs.
842 2007-02-23  DJ Delorie  <dj@redhat.com>
844         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
846 2007-02-23  Mike Stump  <mrs@apple.com>
848         * tlink.c (scan_linker_output): Parse linker messages from
849         darwin9's linker better.
851 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
853         PR debug/29614
854         * varpool.c (varpool_assemble_pending_decls):  Set
855         varpool_last_needed_node to null.
857 2007-02-23  DJ Delorie  <dj@redhat.com>
859         * config/i386/i386.c (ix86_data_alignment): Don't specify an
860         alignment bigger than the object file can handle.
862 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
864         PR target/30825
865         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
866         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
867         (*movsf_1): Penalize MMX moves.
869 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
871         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
872         2^32-1 or more times unless flag_unsafe_loop_optimizations.
874         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
876 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
878         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
879         (fold_builtin_1): Use them.
880         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
881         BUILT_IN_SIGNIFICAND.
883 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
885         * config/i386/i386.c (bdesc_1arg): Initialize
886         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
887         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
888         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
889         and IX86_BUILTIN_MOVSLDUP.
891 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
893         PR rtl-optimization/30841
894         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
896 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
898         * builtins.c (fold_builtin_frexp): New.
899         (fold_builtin_2): Use it.
901 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
903         * doc/invoke.texi (Spec Files): Document getenv spec function.
905         * gcc.c (getenv_spec_function): New function.
906         (static_spec_functions): Add it.
907         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
908         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
909         header files.
911 2007-02-22  Michael Matz  <matz@suse.de
913         PR c++/29433
914         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
915         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
917 2007-02-22  Ian Lance Taylor  <iant@google.com>
919         PR debug/30898
920         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
921         (mem_loc_descriptor): Call it.
923 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
924             Ira Rosen  <irar@il.ibm.com>
926         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
928 2007-02-22  Ira Rosen  <irar@il.ibm.com>
930         PR tree-optimization/30843
931         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
932         stores only after all the group is vectorized.
934 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
936         PR tree-optimization/30858
937         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
938         in the reduction cycle have a single use in the loop.
939         * tree-vectorizer.h (relevant): Add documentation.
941 2007-02-20  Mike Stump  <mrs@apple.com>
943         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
944         * configure: Regenerate.
946 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
948         Change the defaults of some parameters and options.
949         * config/spu/spu-protos.h (spu_optimization_options): Declare.
950         * config/spu/spu.c (spu_optimization_options): Add.
951         (spu_override_options): Change params in spu_optimization_options.
952         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
954         Register 127 is only 16 byte aligned when used as a frame pointer.
955         * config/spu/spu-protos.h (spu_init_expanders): Declare.
956         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
957         HARD_FRAME_POINTER_REGNUM.
958         (spu_legitimate_address):  Use regno_aligned_for_reload.
959         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
960         aligned when frame_pointer_needed is true.
961         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
962         to 8 bits.
963         * config/spu/spu.h (INIT_EXPANDERS): Define.
965         Make sure shift and rotate instructions have valid immediate operands.
966         * config/spu/predicates.md (spu_shift_operand): Remove.
967         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
968         * config/spu/constraints.md (W, O): Extend range.
969         * config/spu/spu.md (umask, nmask): Define.
970         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
971         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
972         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
973         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
974         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
975         (lshr<mode>3_reg):  Fix rtl description.
977         Make sure mulhisi immediate operands are valid.
978         * config/spu/predicates.md (imm_K_operand): Add.
979         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
981         Generate constants using fsmbi and andi.
982         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
983         (print_operand, spu_split_immediate, classify_immediate,
984         fsmbi_const_p): Handle IC_FSMBI2.
986         Correctly handle a CONST_VECTOR containing symbols.
987         * config/spu/spu.c (print_operand): Handle HIGH correctly.
988         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
989         (immediate_load_p): Allow symbols that use 2 instructions to create.
990         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
991         with symbols when flag_pic is set.
992         (const_vector_immediate_p): New.
993         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
994         accept a CONST_VECTOR with symbols.
995         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
996         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
997         correctly.
998         * config/spu/spu.md (high, low): Delete.
999         (low_<mode>): Define.
1001         Remove INTRmode and INTR_REGNUM, which didn't work.
1002         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
1003         of INTR_REGNUM.
1004         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
1005         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
1006         peephole2 pattern): Don't use INTR or 131.
1007         (movintrcc): Delete.
1008         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
1009         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
1010         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
1011         (UNSPEC_SET_INTR): Add.
1012         * config/spu/spu-modes.def (INTR): Remove.
1014         More accurate warnings about run-time relocations.
1015         * config/spu/spu.c (reloc_diagnostic): Test in_section.
1017         Correctly warn about immediate arguments to specific intrinsics.
1018         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
1019         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
1020         the instruction predicate.
1022         Fix tree check errors with latest update.
1023         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
1024         CALL_EXPR_ARG.
1025         (spu_expand_builtin): Use CALL_EXPR_FN.
1027         Add missing specific intrinsics.
1028         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
1029         si_bislede.
1030         * config/spu/spu_internals.h: Ditto.
1032         Fix incorrect operand modifiers.
1033         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
1034         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
1036         Optimize one case of zero_extend of a vec_select.
1037         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
1039         Accept any immediate for hbr.
1040         * config/spu/spu.md (hbr):  Change s constraints to i.
1042 2007-02-21  Paul Brook  <paul@codesourcery.com>
1044         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
1045         condexec_count when skipping USE and CLOBBER.
1047 2007-02-21  Nick Clifton  <nickc@redhat.com>
1049         * common.opt (Warray-bounds): Add Warning attribute.
1050         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
1051         Likewise.
1052         (fsized-zeroes): Add Optimization attribute.
1053         (fsplit-wide-types, ftree-scev-cprop): Likewise.
1054         * c.opt (Wc++0x-compat): Add Warning attribute.
1056 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
1058         PR middle-end/30761
1059         * reload1.c (eliminate_regs_in_insn): In the single_set special
1060         case, attempt to re-recognize the insn before falling back to
1061         having reload fix it up.
1063 2007-02-20  Eric Christopher  <echristo@gmail.com>
1065         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
1066         Rewrite accordingly.
1067         (frv_read_iacc_argument): Ditto.
1068         (frv_expand_set_builtin): Take a call instead of arglist, update for
1069         above changes.
1070         (frv_expand_unop_builtin): Ditto.
1071         (frv_expand_binop_builtin): Ditto.
1072         (frv_expand_cut_builtin): Ditto.
1073         (frv_expand_binopimm_builtin): Ditto.
1074         (frv_expand_voidbinop_builtin): Ditto.
1075         (frv_expand_int_void2arg): Ditto.
1076         (frv_expand_prefetches): Ditto.
1077         (frv_expand_voidtriop_builtin): Ditto.
1078         (frv_expand_voidaccop_builtin): Ditto.
1079         (frv_expand_load_builtin): Ditto.
1080         (frv_expand_store_builtin): Ditto.
1081         (frv_expand_mdpackh_builtin): Ditto.
1082         (frv_expand_mclracc_builtin): Ditto.
1083         (frv_expand_mrdacc_builtin): Ditto.
1084         (frv_expand_mwtacc_builtin): Ditto.
1085         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
1086         calls for above.
1088 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
1090         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
1091         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
1092         cmpb instruction.
1093         (HAVE_GAS_DFP): Check for assembler support of decimal floating
1094         point instructions.
1095         * configure: Regenerate.
1096         * config.in: Regenerate.
1097         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
1098         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
1099         masks to power6 and power6x and to POWERPC_MASKS.
1100         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1101         _ARCH_PWR6.
1102         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
1103         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
1104         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
1105         Access PROTOTYPE as variable, not mask.
1107 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
1109         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
1110         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
1111         * combine.c (adjust_for_new_dest): Use it.
1112         * postreload.c (reload_combine): Likewise.
1114 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
1116         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
1117         notes on an insn with multiple sets, even if single_set returns
1118         non-NULL for that insn.
1120 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1122         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
1123         scalbn and scalbln.
1125 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
1127         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
1128         if user didn't pass it.
1129         * config/i386/darwin.h (CC1_SPEC): Likewise.
1130         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
1131         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
1132         -mmacosx-version-min.
1134 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1135             Uros Bizjak  <ubizjak@gmail.com>
1137         * optabs.h (enum optab_index): Add new OTI_scalb.
1138         (scalb_optab): Define corresponding macro.
1139         * optabs.c (init_optabs): Initialize scalb_optab.
1140         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
1141         patterns.
1142         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
1143         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
1144         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
1145         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
1146         flag_unsafe_math_optimizations is set.
1148         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
1149         to implement scalbf, scalb and scalbl built-ins as inline x87
1150         intrinsics.
1152 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1153             DJ Delorie <dj@redhat.com>
1155         PR other/30824
1156         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
1157         (diagnostic_report_diagnostic): ... here, and turn them into real
1158         errors. If warnings are inhibited, no need to do anything.
1160 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
1162         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
1163         better code generation.
1165 2007-02-20  Ben Elliston  <bje@au.ibm.com>
1167         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
1169 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
1171         * config/alpha/alpha.c, config/alpha/alpha.md,
1172         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
1173         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
1174         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
1175         config/arm/lib1funcs.asm: Follow spelling conventions.
1177         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
1178         config/fr30/fr30.md, config/i386/i386.h,
1179         config/iq2000/iq2000.h, config/iq2000/predicates.md,
1180         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
1181         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
1182         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
1183         config/rs6000/altivec.md, config/rs6000/rs6000.c,
1184         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
1185         config/sparc/sparc.c, config/sparc/sparc.h,
1186         config/sparc/sparc.md, config/spu/constraints.md,
1187         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
1188         conventions.
1190 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
1192         PR target/29943
1193         * varasm.c (use_blocks_for_decl_p): Return false for decls with
1194         alias attribute.
1196 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
1198         * doc/invoke.texi (-ftree-lrs): Remove.
1200 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
1202         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
1203         NULL.
1205 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
1207         * config/ia64/ia64.c (ia64_expand_builtin): Use the
1208         new CALL_EXPR_FN macro for retrieving the function
1209         declaration of the input expression.
1211 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1213         * c.opt (Waddress): New.
1214         * common.opt (Walways-true): Delete.
1215         (Wstring-literal-comparison): Delete.
1216         * doc/invoke.texi (Warning Options): Delete -Walways-true and
1217         -Wstring-literal-comparison. Add -Waddress.
1218         (Waddress): New.
1219         (Walways-true): Delete.
1220         (Wstring-literal-comparison): Delete.
1221         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
1222         consistently instead of -Walways-true in example.
1223         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
1224         * c-typeck.c (parser_build_binary_op): Replace
1225         -Wstring-literal-comparison and -Walways-true with -Waddress.
1226         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
1227         with -Waddress.
1229 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
1231         * tree-cfg.c (dump_function_to_file): Be prepared for functions
1232         without DECL_STRUCT_FUNCTION initialized.
1234 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
1236         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
1237         due to calls to functions taking pointers as parameters.
1239 2007-02-19  Richard Henderson  <rth@redhat.com>
1241         PR debug/29558
1242         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
1243         in memory.
1245 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
1247         * config/s390/s390.c (s390_call_saved_register_used,
1248         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
1249         accessed to the new scheme.
1251 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
1253         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
1254         (cris_print_index, cris_print_operand, cris_print_operand_address)
1255         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
1256         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
1257         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
1258         GET_CODE () == xxx.
1259         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
1260         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
1261         GO_IF_LEGITIMATE_ADDRESS): Ditto.
1262         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
1263         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
1264         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
1265         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
1266         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
1267         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
1268         (uminsi3, call, call_value): Ditto.
1269         (define_split: indir_to_reg_split, unnamed): Ditto.
1271 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
1273         PR tree-optimization/30975
1274         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
1275         wrong assert.
1277 2007-02-18  Eric Christopher  <echristo@gmail.com>
1279         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
1280         Remove use of arglist.
1281         (mips_expand_builtin): Remove use of arglist, pass in expr.
1282         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
1283         (mips_expand_builtin_movtf): Ditto.
1284         (mips_expand_builtin_compare): Ditto.
1286 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
1288         * tree-sra.c (sra_build_assignment): Replace assertion
1289         checking with a comment explaining why it can't be done.
1291 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1293         PR middle-end/30833
1294         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
1295         during CALL_EXPR representation conversion.
1296         * tree-ssa-propagate.c (set_rhs): Likewise.
1298 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
1300         * tree-sra.c (sra_build_assignment): Disable assertion checking
1301         for now.
1303 2007-02-18  Roger Sayle  <roger@eyesopen.com>
1305         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
1306         instead of calling build2 with a GIMPLE_MODIFY_STMT.
1307         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
1308         Likewise.
1309         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
1310         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
1311         gimplify_init_ctor_eval_range, gimple_push_cleanup,
1312         gimplify_omp_for, gimplify_omp_atomic_pipeline,
1313         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
1314         force_gimple_operand): Likewise.
1315         * ipa-cp.c (constant_val_insert): Likewise.
1316         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
1317         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
1318         perfect_nestify): Likewise.
1319         * langhooks.c (lhd_omp_assignment): Likewise.
1320         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
1321         lower_copyprivate_clauses, lower_send_clauses,
1322         lower_send_shared_vars, expand_parallel_call,
1323         expand_omp_for_generic, expand_omp_for_static_nochunk,
1324         expand_omp_for_static_chunk, expand_omp_sections,
1325         lower_omp_single_copy, lower_omp_for_lastprivate,
1326         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
1327         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
1328         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
1329         Likewise.
1331 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
1333         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
1334         config/sh/sh.md: Follow spelling conventions.
1336         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
1337         config/frv/predicates.md: Follow spelling conventions.
1339         * config/m68k/linux-unwind.h: Fix a comment typo.
1340         * target.h: Follow spelling conventions.
1342 2007-02-18  Roger Sayle  <roger@eyesopen.com>
1344         PR rtl-optimization/28173
1345         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
1346         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
1347         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
1348         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
1349         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
1351 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1353         * builtins.c (fold_builtin_load_exponent): New.
1354         (fold_builtin_2): Use it.
1356 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
1358         PR rtl-optimization/30773
1359         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
1360         if we fail to attach a REG_EQUIV note.
1362 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
1363             Roger Sayle  <roger@eyesopen.com>
1365         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
1367 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
1369         * calls.c (initialize_argument_information): Pass original EXP
1370         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
1371         code to split complex arguments here, as part of initializing the
1372         ARGS array.
1373         (expand_call): Remove code that builds a list of arguments and
1374         inserts implicit arguments into it.  Instead, just count how many
1375         implicit arguments there will be so we can determine the size of
1376         the ARGS array, and let initialize_argument_information do the work.
1377         (split_complex_values): Delete unused function.
1379 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
1381         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
1383 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
1385         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
1386         for arg pointer based indexed addressing.
1388 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
1390         * config/ia64/ia64.h, config/ia64/ia64.md,
1391         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
1392         spelling conventions.
1394 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
1396         * config/m68k/m68k.c (split_di): New.
1397         * config/m68k/m68k-protos.h: Declare split_di.
1398         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
1399           Improve predicate handling and split constant shifts.
1401 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
1403         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
1404         parameter for register bitfield operations, general predicates
1405         cleanup
1407 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
1409         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
1410         * config/m68k/linux-unwind.h: New file.
1412 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
1414         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
1415         config/i386/athlon.md, config/ia64/ia64.md,
1416         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
1417         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
1418         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
1419         tree-ssa-loop-niter.c, tree-vect-analyze.c,
1420         tree-vect-transform.c: Fix comment typos.
1422 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
1424         * sched-deps.c (find_insn_list): Remove.
1425         * sched-int.h: Remove the prototype for find_insn_list.
1427 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
1429         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
1430         to linker.
1431         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
1432         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
1433         darwin_rs6000_override_options.
1434         (C_COMMON_OVERRIDE_OPTIONS): Expect
1435         darwin_macosx_version_min to be non-NULL always.
1436         (TARGET_C99_FUNCTIONS): Likewise.
1437         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
1438         (DARWIN_MINVERSION_SPEC): New.
1439         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
1440         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
1441         to cc1*.
1442         (DARWIN_MINVERSION_SPEC): New.
1443         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
1444         value.
1445         * config/darwin-c.c (darwin_cpp_builtins): Expect
1446         darwin_macosx_version_min to be non-NULL always.
1448         * config/rs6000/rs6000.c: Clean up trailing whitespace.
1450 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
1452         * config/i386/i386.h (x86_use_xchgb): New.
1453         (TARGET_USE_XCHGB): New macro.
1454         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
1455         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
1456         Split after reload into bswaphi for shifts of 8.
1457         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
1458         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
1459         or when optimizing for size.
1461 2007-02-16  Richard Guenther  <rguenther@suse.de>
1462             Christian Bruel  <christian.bruel@st.com>
1464         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
1465         DECLs but prefer SSA_NAMEs over DECLs.
1467 2007-02-16  Richard Guenther  <rguenther@suse.de>
1469         * tree-flow-inline.h (single_imm_use_p): Remove.
1470         (zero_imm_uses_p): Likewise.
1471         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
1472         instead of single_imm_use_p.
1473         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
1474         zero_imm_uses_p.
1476 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
1478         PR other/27843
1479         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
1480         nested double- and backquotes.
1482 2007-02-15  Roger Sayle  <roger@eyesopen.com>
1484         PR middle-end/30391
1485         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
1486         should be unreachable.
1487         (build2_stat): Allow construction of MODIFY_EXPR at any time.
1488         For the time being redirect GIMPLE_MODIFY_STMT to the new
1489         (renamed) build_gimple_modify_stmt_stat.
1490         (build2_gimple_stat): Rename to...
1491         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
1492         Always build a GIMPLE_MODIFY_STMT node.
1493         * tree.h (build2_gimple, build2_gimple_stat): Delete.
1494         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
1495         declarations.
1497         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
1498         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
1499         * tree-complex.c (set_component_ssa_name, expand_complex_move,
1500         expand_complex_div_wide): Likewise.
1501         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
1502         * tree-ssa-loop-im.c (schedule_sm): Likewise.
1503         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
1504         * tree-ssa-loop-manip.c (create_iv): Likewise.
1505         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
1506         abs_replacement): Likewise.
1507         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
1508         realify_fake_stores): Likewise.
1510         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
1511         node rather than a GIMPLE_MODIFY_STMT node.
1512         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
1513         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
1514         Likewise.
1515         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
1516         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
1517         GIMPLE_MODIFY_STMT.
1519 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1521         PR middle-end/30433
1522         * fold-const.c (fold_comparison): Add back the
1523         folding of constant complex comparisions.
1525 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1527         PR middle-end/30729
1528         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
1529         effects unknown to this function, return early.
1531 2007-02-15  Ian Lance Taylor  <iant@google.com>
1533         * lower-subreg.c (move_eh_region_note): New static function.
1534         (resolve_simple_move): Call it.
1535         (decompose_multiword_subregs): Track blocks for which we resolve a
1536         simple move which is also a control flow insn.  Pass them to
1537         find_many_sub_basic_blocks.
1538         (pass_lower_subreg): Add TODO_verify_flow.
1539         (pass_lower_subreg2): Likewise.
1541 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1542             Brooks Moses  <brooks.moses@codesourcery.com>
1543             Lee Millward  <lee.millward@codesourcery.com>
1545         * tree.h (enum tree_code_class): Add tcc_vl_exp.
1546         (VL_EXP_CLASS_P): New.
1547         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
1548         TREE_CODE_LENGTH.
1549         (TREE_OPERAND_CHECK_CODE): Likewise.
1550         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
1551         (TREE_RTL_OPERAND_CHECK): Likewise.
1552         (tree_operand_check_failed): Make second parameter the whole tree
1553         instead of its code.  Fixed callers.
1554         (VL_EXP_CHECK): New.
1555         (TREE_OPERAND_LENGTH): New.
1556         (VL_EXP_OPERAND_LENGTH): New.
1557         (CALL_EXPR_FN): New.
1558         (CALL_EXPR_STATIC_CHAIN): New.
1559         (CALL_EXPR_ARGS): New.
1560         (CALL_EXPR_ARG): New.
1561         (call_expr_nargs): New.
1562         (CALL_EXPR_ARGP): New.
1563         (build_nt_call_list): Declare.
1564         (build_vl_exp_stat): Declare.
1565         (build_vl_exp): New.
1566         (build_call_list): Declare.
1567         (build_call_nary): Declare.
1568         (build_call_valist): Declare.
1569         (build_call_array): Declare.
1570         (call_expr_arg): Declare.
1571         (call_expr_argp): Declare.
1572         (call_expr_arglist): Declare.
1573         (fold_build_call_list): Declare.
1574         (fold_build_call_list_initializer): Declare.
1575         (fold_call_expr): Declare to replace fold_builtin.
1576         (fold_builtin_fputs): Update to agree with modified definition.
1577         (fold_builtin_strcpy): Likewise.
1578         (fold_builtin_strncpy): Likewise.
1579         (fold_builtin_memory_chk): Likewise.
1580         (fold_builtin_stxcpy_chk): Likewise.
1581         (fold_builtin_strncpy_chk): Likewise.
1582         (fold_builtin_next_arg): Likewise.
1583         (fold_build_call_expr): Declare.
1584         (fold_builtin_call_list): Declare.
1585         (fold_builtin_call_valist): Declare.
1586         (build_call_expr): Declare.
1587         (validate_arglist): Update to agree with modified definition.
1588         (tree_operand_length): New.
1589         (call_expr_arg_iterator): New.
1590         (init_call_expr_arg_iterator): New.
1591         (next_call_expr_arg): New.
1592         (first_call_expr_arg): New.
1593         (more_call_expr_args_p): New.
1594         (FOR_EACH_CALL_EXPR_ARG): New.
1596         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
1597         and tcc_gimple_stmt.
1598         (tree_code_size): Update documentation.  Use sizeof (tree) rather
1599         than sizeof (char *).
1600         (tree_size): Likewise.  Add case for tcc_vl_exp.
1601         (tree_node_structure): Add case for tcc_vl_exp.
1602         (contains_placeholder_p): Likewise.
1603         (substitute_in_expr): Likewise.
1604         (substitute_placeholder_in_expr): Likewise.
1605         (stabilize_reference_1): Likewise.
1606         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
1607         to diagnose breakage of this interface for constructing CALL_EXPRs.
1608         (build_nt): Add similar assertion here.
1609         (build_nt_call_list): New.
1610         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
1611         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
1612         TREE_CODE_LENGTH.
1613         (get_callee_fndecl): Use new CALL_EXPR accessors.
1614         (tree_operand_check_failed): Change parameters to pass entire node
1615         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
1616         (process_call_operands): New.
1617         (build_vl_exp_stat): New.
1618         (build_call_list): New.
1619         (build_call_nary): New.
1620         (build_call_valist): New.
1621         (build_call_array): New.
1622         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1623         (call_expr_arglist): New.
1625         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
1626         tcc_vl_exp instead of a fixed-size tcc_expression.
1628         * doc/c-tree.texi (CALL_EXPR): Document new representation and
1629         accessors for CALL_EXPRs.
1630         (AGGR_INIT_EXPR): Likewise.
1632 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1633             Brooks Moses  <brooks.moses@codesourcery.com>
1634             Lee Millward  <lee.millward@codesourcery.com>
1636         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
1637         (expand_builtin_nonlocal_goto): Change parameter to be entire
1638         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
1639         (expand_builtin_prefetch): Likewise.
1640         (expand_builtin_classify_type): Likewise.
1641         (mathfn_built_in): Return NULL_TREE instead of 0.
1642         (expand_errno_check): Use new CALL_EXPR accessors.
1643         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
1644         Return NULL_RTX instead of 0.
1645         (expand_builtin_mathfn_2): Likewise.
1646         (expand_builtin_mathfn_3): Likewise.
1647         (expand_builtin_interclass_mathfn): Likewise.
1648         (expand_builtin_sincos): Likewise.
1649         (expand_builtin_cexpi): Likewise.
1650         (expand_builtin_int_roundingfn): Likewise.
1651         (expand_builtin_int_roundingfn_2): Likewise.
1652         (expand_builtin_pow): Likewise.
1653         (expand_builtin_powi): Likewise.
1654         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1655         of arglist, fixing callers appropriately.  Use new CALL_EXPR
1656         accessors and constructors.  Return NULL_RTX instead of 0.
1657         (expand_builtin_strstr): Likewise.
1658         (expand_builtin_strchr): Likewise.
1659         (expand_builtin_strrchr): Likewise.
1660         (expand_builtin_strpbrk): Likewise.
1661         (expand_builtin_memcpy): Likewise.
1662         (expand_builtin_mempcpy): Likewise.
1663         (expand_builtin_mempcpy_args): New.
1664         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1665         (expand_builtin_memmove_args): New.
1666         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1667         (expand_movstr): Likewise.
1668         (expand_builtin_strcpy): Likewise.
1669         (expand_builtin_strcpy_args): New.
1670         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1671         (expand_builtin_strncpy): Likewise.
1672         (expand_builtin_memset): Likewise.
1673         (expand_builtin_memset_args): New.
1674         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1675         (expand_builtin_memcmp): Likewise.
1676         (expand_builtin_strcmp): Likewise.
1677         (expand_builtin_strncmp): Likewise.
1678         (expand_builtin_strcat): Likewise.
1679         (expand_builtin_strncat): Likewise.
1680         (expand_builtin_strspn): Likewise.
1681         (expand_builtin_strcspn): Likewise.
1682         (expand_builtin_args_info): Likewise.
1683         (expand_builtin_va_start): Likewise.
1684         (gimplify_va_arg_expr): Likewise.
1685         (expand_builtin_va_end): Likewise.
1686         (expand_builtin_va_copy): Likewise.
1687         (expand_builtin_frame_address): Likewise.
1688         (expand_builtin_alloca): Likewise.
1689         (expand_builtin_bswap): Likewise.
1690         (expand_builtin_unop): Likewise.
1691         (expand_builtin_fputs): Likewise.
1692         (expand_builtin_expect): Likewise.
1693         (expand_builtin_fabs): Likewise.
1694         (expand_builtin_copysign): Likewise.
1695         (expand_builtin_printf): Likewise.
1696         (expand_builtin_fprintf): Likewise.
1697         (expand_builtin_sprintf): Likewise.
1698         (expand_builtin_init_trampoline): Likewise.
1699         (expand_builtin_signbit): Likewise.
1700         (expand_builtin_fork_or_exec): Likewise.
1701         (expand_builtin_sync_operation): Likewise.
1702         (expand_builtin_compare_and_swap): Likewise.
1703         (expand_builtin_lock_test_and_set): Likewise.
1704         (expand_builtin_lock_release): Likewise.
1705         (expand_builtin): Likewise.
1706         (builtin_mathfn_code): Likewise.
1708         (fold_builtin_constant_p): Pass call arguments individually instead
1709         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1710         accessors and constructors.  Return NULL_TREE instead of 0.
1711         (fold_builtin_expect): Likewise.
1712         (fold_builtin_classify_type): Likewise.
1713         (fold_builtin_strlen): Likewise.
1714         (fold_builtin_nan): Likewise.
1715         (integer_valued_real_p): Likewise.
1716         (fold_trunc_transparent_mathfn): Likewise.
1717         (fold_fixed_mathfn): Likewise.
1718         (fold_builtin_cabs): Likewise.
1719         (fold_builtin_sqrt): Likewise.
1720         (fold_builtin_cbrt): Likewise.
1721         (fold_builtin_cos): Likewise.
1722         (fold_builtin_cosh): Likewise.
1723         (fold_builtin_tan): Likewise.
1724         (fold_builtin_sincos): Likewise.
1725         (fold_builtin_cexp): Likewise.
1726         (fold_builtin_trunc): Likewise.
1727         (fold_builtin_floor): Likewise.
1728         (fold_builtin_ceil): Likewise.
1729         (fold_builtin_round): Likewise.
1730         (fold_builtin_int_roundingfn): Likewise.
1731         (fold_builtin_bitop): Likewise.
1732         (fold_builtin_bswap): Likewise.
1733         (fold_builtin_logarithm): Likewise.
1734         (fold_builtin_hypot): Likewise.
1735         (fold_builtin_pow): Likewise.
1736         (fold_builtin_powi): Likewise.
1737         (fold_builtin_exponent): Likewise.
1738         (fold_builtin_memset): Likewise.
1739         (fold_builtin_bzero): Likewise.
1740         (fold_builtin_memory_op): Likewise.
1741         (fold_builtin_bcopy): Deleted; call site changed to invoke
1742         fold_builtin_memory_op directly.
1743         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1744         (fold_builtin_strncpy): Likewise.
1745         (fold_builtin_memcmp): Likewise.
1746         (fold_builtin_strcmp): Likewise.
1747         (fold_builtin_strncmp): Likewise.
1748         (fold_builtin_signbit): Likewise.
1749         (fold_builtin_copysign): Likewise.
1750         (fold_builtin_isascii): Likewise.
1751         (fold_builtin_toascii): Likewise.
1752         (fold_builtin_isdigit): Likewise.
1753         (fold_builtin_fabs): Likewise.
1754         (fold_builtin_abs): Likewise.
1755         (fold_builtin_fmin_fmax): Likewise.
1756         (fold_builtin_carg): Likewise.
1757         (fold_builtin_classify): Likewise.
1758         (fold_builtin_unordered_cmp): Likewise.
1760         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1761         New functions split out from fold_builtin_1.
1762         (fold_builtin_n): New.
1763         (fold_builtin_varargs): New.
1764         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1765         instead.
1766         (fold_call_expr): New.
1767         (build_function_call_expr): Rewrite to use new helper function.
1768         (fold_builtin_call_list): New.
1769         (build_call_expr): New.
1770         (fold_builtin_call_valist): New.
1771         (rewrite_call_expr): New.
1772         (validate_arg): New.
1773         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1774         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1775         accessors.
1777         (fold_builtin_strstr):  Pass call arguments individually instead
1778         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1779         accessors and constructors.  Return NULL_TREE instead of 0.
1780         (fold_builtin_strchr): Likewise.
1781         (fold_builtin_strrchr): Likewise.
1782         (fold_builtin_strpbrk): Likewise.
1783         (fold_builtin_strcat): Likewise.
1784         (fold_builtin_strncat): Likewise.
1785         (fold_builtin_strspn): Likewise.
1786         (fold_builtin_strcspn): Likewise.
1787         (fold_builtin_fputs): Likewise.
1788         (fold_builtin_next_arg): Likewise.
1789         (fold_builtin_sprintf): Likewise.
1791         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1792         NULL_RTX instead of 0.
1793         (expand_builtin_memory_chk): Likewise.
1794         (maybe_emit_chk_warning): Likewise.
1795         (maybe_emit_sprintf_chk_warning): Likewise.
1797         (fold_builtin_object_size): Pass call arguments individually instead
1798         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1799         accessors and constructors.  Return NULL_TREE instead of 0.
1800         (fold_builtin_memory_chk): Likewise.
1801         (fold_builtin_stxcpy_chk): Likewise.
1802         (fold_builtin_strncpy_chk): Likewise.
1803         (fold_builtin_strcat_chk): Likewise.
1804         (fold_builtin_strcat_chk): Likewise.
1805         (fold_builtin_strncat_chk): Likewise.
1806         (fold_builtin_sprintf_chk): Likewise.
1807         (fold_builtin_snprintf_chk): Likewise.
1808         (fold_builtin_printf): Likewise.
1809         (fold_builtin_vprintf): Likewise.
1811         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1812         constructors.
1813         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1814         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1815         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1816         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1817         (fold_unary): Likewise.
1818         (fold_binary): Likewise.
1819         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1820         ternary expressions.
1821         (fold): Add logic for tcc_vl_exp.
1822         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1823         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1824         (fold_build3_stat): Add assertion to flag broken interface for
1825         constructing CALL_EXPRs.
1826         (fold_build_call_list): New.
1827         (fold_build_call_list_initializer): New.
1828         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1829         constructors.
1830         (fold_strip_sign_ops): Likewise.
1832 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1833             Brooks Moses  <brooks.moses@codesourcery.com>
1834             Lee Millward  <lee.millward@codesourcery.com>
1836         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1837         accessors and dump arguments explicitly.
1839         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1840         TREE_CODE_LENGTH.
1841         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1842         explicitly.
1843         (print_call_name): Use new CALL_EXPR accessors.
1845         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1846         CALL_EXPR arguments explicitly instead of as a list.  Use
1847         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1849         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1850         (vrp_visit_stmt): Likewise.
1852         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1853         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1854         TREE_CODE_LENGTH.
1855         (force_move_till_expr): Likewise.
1857         * targhooks.c (default_external_stack_protect_fail): Use
1858         build_call_expr instead of build_function_call_expr.
1859         (default_hidden_stack_protect_fail): Likewise.
1861         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1862         build the call.
1864         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1865         and walk arguments explicitly.
1867         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1868         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1869         (expand_simple_operations): Likewise.
1870         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1872         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1873         of TREE_CODE_LENGTH.
1874         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1876         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1877         instead of TREE_CODE_LENGTH.
1879         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1880         (tree_ic_transform): Likewise.
1881         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1882         parameter instead of arglist.  Fix callers.
1883         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1884         (tree_stringops_transform): Likewise.
1885         (tree_indirect_call_to_profile): Likewise.
1886         (tree_stringops_values_to_profile): Likewise.
1888         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1889         (eliminate_tail_call): Likewise.
1891         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1893         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1894         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1895         operands.
1896         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1898         * omp-low.c (build_omp_barrier): Use build_call_expr.
1899         (lower_rec_input_clauses): Likewise.
1900         (lower_reduction_clauses): Likewise.
1901         (expand_parallel_call): Likewise.
1902         (maybe_catch_exception): Likewise.
1903         (expand_omp_for_generic): Likewise.
1904         (expand_omp_for_static_nochunk): Likewise.
1905         (expand_omp_sections): Likewise.
1906         (lower_omp_single_simple): Likewise.
1907         (lower_omp_single_copy): Likewise.
1908         (lower_omp_master): Likewise.
1909         (lower_omp_ordered): Likewise.
1910         (lower_omp_critical): Likewise.
1912         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1913         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1915         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1916         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1917         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1919         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1920         and generalize to handle any number of operands.
1921         (chrec_contains_undetermined): Likewise.
1922         (tree_contains_chrecs): Likewise.
1923         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1925         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1927         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1928         fold_call_expr instead of fold_builtin.
1929         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1930         match declarations there.
1931         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1932         updates.
1934         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1935         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1937         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1938         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1940         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1941         accessors.
1943         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1944         (execute_cse_sincos): Use new CALL_EXPR accessors.
1946         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1948         * gimple-low.c (lower_function_body): Use build_call_expr.
1949         (lower_builtin_setjmp): Likewise.
1951         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1952         (set_storage_via_libcall): Likewise.
1953         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1954         instead of TREE_CODE_LENGTH.
1955         (expand_expr_real_1): Use new CALL_EXPR accessors.
1957         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1958         generalize to handle any number of operands.
1959         (TB_parent_eq): Likewise.
1961         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1962         (strip_builtin_expect): Likewise.
1964         * function.c (gimplify_parameters): Use build_call_expr.
1966         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1967         instead of TREE_CODE_LENGTH.
1969         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1970         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1972         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1973         iterators.
1975         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1976         (gimplify_decl_expr): Likewise.
1977         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1978         Use new CALL_EXPR iterators.
1979         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1980         (gimplify_modify_expr_to_memset): Likewise.
1981         (gimplify_variable_sized_compare): Likewise.
1982         (gimplify_omp_atomic_fetch_op): Likewise.
1983         (gimplify_omp_atomic_pipeline): Likewise.
1984         (gimplify_omp_atomic_mutex): Likewise.
1985         (gimplify_function_tree): Likewise.
1987         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1988         (call_expr_flags): Likewise.
1989         (expand_call): Likewise.
1991         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1992         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1993         accessors.
1995         * coverage.c (create_coverage): Use build_call_expr.
1997         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1998         (temp_call_expr_obstack): New.
1999         (pool_copy_list): Delete.
2000         (temp_copy_call_expr): New.
2001         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
2002         CALL_EXPR accessors.  Get rid of special goo for copying argument
2003         lists and use temp_copy_call_expr instead.
2004         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
2005         CALL_EXPR accessors.
2006         (create_expression_by_pieces): Likewise.  Use build_call_array
2007         to construct the result instead of fold_build3.
2008         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
2009         dealing with argument lists.
2010         (init_pre): Remove references to expression_node_pool and
2011         list_node_pool.  Init temp_call_expr_obstack instead.
2012         (fini_pre): Remove references to expression_node_pool and
2013         list_node_pool.
2015         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
2016         and walk arguments explicitly instead of as a list.
2018         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
2019         (mx_register_decls): Likewise.
2020         (mudflap_register_call): Likewise.
2021         (mudflap_finish_file): Likewise.
2023         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
2024         (ipa_callsite_compute_param): Likewise.
2026         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
2027         accessors and constructor.
2029         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
2030         accessors and constructor.
2031         (convert_tramp_reference): Likewise.
2032         (convert_call_expr): Likewise.
2033         (finalize_nesting_tree_1): Likewise.
2035         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
2036         accessors.
2038         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
2040         * tree-inline.c (initialize_inlined_parameters): Pass entire
2041         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
2042         accessors.
2043         (estimate_num_insns_1): Use new CALL_EXPR accessors.
2044         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
2046         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
2047         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2048         (vectorizable_reduction): Likewise.
2049         (vectorizable_call): Use new CALL_EXPR iterators.
2050         (vectorizable_conversion): Use build_call_expr.
2051         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
2052         (vect_gen_widened_results_half): Use build_call_expr.
2053         (vect_setup_realignment): Likewise.
2054         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
2056         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
2057         (pass_through_call): Likewise.
2058         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
2059         fold_builtin.
2061         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
2062         (tree_gen_pow2_profiler): Likewise.
2063         (tree_gen_one_value_profiler): Likewise.
2064         (tree_gen_ic_func_profiler): Likewise.
2065         (tree_gen_average_profiler): Likewise.
2066         (tree_gen_ior_profiler): Likewise.
2068         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
2069         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
2070         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
2072         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
2073         of TREE_CODE_LENGTH.
2075         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
2076         of TREE_CODE_LENGTH.
2078         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
2079         constructor.
2080         (convert_to_integer): Likewise.
2082         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
2083         accessors.
2085 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2086             Brooks Moses  <brooks.moses@codesourcery.com>
2087             Lee Millward  <lee.millward@codesourcery.com>
2089         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
2090         accessors.
2091         * config/frv/frv.c (frv_expand_builtin): Likewise.
2092         * config/s390/s390.c (s390_expand_builtin): Likewise.
2094         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
2095         (sparc_expand_builtin): Use new CALL_EXPR accessors.
2097         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
2098         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
2099         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
2100         (ix86_expand_store_builtin): Likewise.
2101         (ix86_expand_unop_builtin): Likewise.
2102         (ix86_expand_unop1_builtin): Likewise.
2103         (ix86_expand_sse_compare): Likewise.
2104         (ix86_expand_sse_comi): Likewise.
2105         (ix86_expand_vec_init_builtin): Likewise.
2106         (ix86_expand_vec_ext_builtin): Likewise.
2107         (ix86_expand_vec_set_builtin): Likewise.
2108         (ix86_expand_builtin): Use new CALL_EXPR accessors.
2110         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
2111         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
2113         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
2114         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
2115         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
2117         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
2118         build_call_expr.
2119         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
2120         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
2121         arglist.  Use new CALL_EXPR accessors.  Fix callers.
2122         (altivec_expand_abs_builtin): Likewise.
2123         (rs6000_expand_binop_builtin): Likewise.
2124         (altivec_expand_predicate_builtin): Likewise.
2125         (altivec_expand_lv_builtin): Likewise.
2126         (spe_expand_stv_builtin): Likewise.
2127         (altivec_expand_stv_builtin): Likewise.
2128         (rs6000_expand_ternop_builtin): Likewise.
2129         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
2130         (altivec_expand_st_builtin): Likewise.
2131         (altivec_expand_dst_builtin): Likewise.
2132         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
2133         arglist.  Use new CALL_EXPR accessors.  Fix callers.
2134         (altivec_expand_vec_set_builtin): Likewise.
2135         (altivec_expand_vec_ext_builtin): Likewise.
2136         (altivec_expand_builtin): Use new CALL_EXPR accessors.
2137         (spe_expand_builtin): Likewise.
2138         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
2139         arglist.  Use new CALL_EXPR accessors.  Fix callers.
2140         (spe_expand_evsel_builtin): Likewise.
2141         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
2142         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
2144         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
2145         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
2146         (arm_expand_unop_builtin): Likewise.
2147         (arm_expand_builtin): Use new CALL_EXPR accessors.
2149         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
2150         accessors.
2152         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
2153         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
2154         (bfin_expand_unop_builtin): Likewise.
2155         (bfin_expand_builtin): Use new CALL_EXPR accessors.
2157 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
2158             Brooks Moses  <brooks.moses@codesourcery.com>
2159             Lee Millward  <lee.millward@codesourcery.com>
2161         * c-semantics.c (build_stmt): Add internal diagnostic check.
2163         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
2164         accessors.  Print arguments explicitly instead of as a list.
2166         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
2168         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
2169         (c_finish_omp_flish): Likewise.
2171         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
2172         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
2173         instead of TREE_CODE_LENGTH.
2174         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
2175         (c_warn_unused_result): Likewise.
2177 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2179         PR c/26494
2180         * doc/invoke.texi (Warning Options): Remove
2181         -Werror-implicit-function-declaration.
2182         (Wimplicit-function-declaration): Update description.
2183         * opts.c (common_handle_option): Move handling of -Werror=* to...
2184         (enable_warning_as_error): ...here.
2185         * opts.h (enable_warning_as_error): Declare.
2186         * c-decl.c (implicit_decl_warning): Unless
2187         -Wno-implicit-function-declaration is given, emit a pedwarn if
2188         -std=c99 or emit a warning if -Wimplicit-function-declaration.
2189         * c.opt (Wimplicit-function-declaration): Replace
2190         mesg_implicit_function_declaration with
2191         warn_implicit_function_declaration.
2192         * c-opts.c (c_common_handle_option):
2193         -Werror-implicit-function-declaration is exactly equal as
2194         -Werror=implicit-function-declaration.
2195         (set_Wimplicit): Replace mesg_implicit_function_declaration with
2196         warn_implicit_function_declaration.
2197         (c_common_post_options): -Wimplict-function-declaration is enabled
2198         by default by -std=c99, otherwise is disabled by default.
2199         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
2201 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
2203         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
2204         DECL on the rhs to a DECL on the lhs for debug info purposes if the
2205         former is ignored but not the latter.
2207 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
2209         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
2210         is made and the reference doesn't use the alias set of its type,
2211         do not create the temporary using that type.
2213 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
2215         * jump.c: Remove prototypes for delete_computation and
2216         delete_prior_computation.
2218 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
2220         * jump.c (get_label_after): Delete.
2221         (get_label_before, delete_computation, delete_jump,
2222         delete_prior_computation, follow_jumps): Move...
2223         * reorg.c (delete_computation, delete_prior_computation): ... here...
2224         (get_label_before, delete_jump): ... making these static ...
2225         (follow_jumps): ... and simplifying this since it only runs after
2226         reload.
2227         * rtl.h (get_label_after, get_label_before, delete_jump,
2228         follow_jumps): Delete prototypes.
2230 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
2232         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
2234 2007-02-15  Nick Clifton  <nickc@redhat.com>
2236         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
2237         order to prevent it from being munged by the target.
2239 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
2241         * config/i386/i386.md: Remove misleading comment.
2243 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
2245         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
2246         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
2247         invalid patterns.
2249 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
2251         * tree-sra.c (instantiate_missing_elements): Canonicalize
2252         bit-field types.
2253         (sra_build_assignment): New.
2254         (generate_copy_inout, generate_element_copy,
2255         generate_element_zero, generate_one_element_init): Use it.
2257 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
2259         * tree-sra.c (instantiate_missing_elements): Canonicalize
2260         bit-field types.
2261         (sra_build_assignment): New.
2262         (generate_copy_inout, generate_element_copy,
2263         generate_element_zero, generate_one_element_init): Use it.
2265 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
2267         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
2268         limbo die nodes.
2270 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
2272         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
2273         types as aggregates not scalars.
2274         * function.c (assign_stack_temp_for_type): Likewise.
2276 2007-02-14  Roger Sayle  <roger@eyesopen.com>
2277             Zdenek Dvorak  <dvorakz@suse.cz>
2279         * tree-dump.c (dump_switch_p_1): Require exact match of the option
2280         name.
2282 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
2284         * passes.c (next_pass_1): Clear the next field of the copied
2285         pass structure.
2287 2007-02-14  Richard Henderson  <rth@redhat.com>
2289         * tree-sra.c (early_sra): New.
2290         (decl_can_be_decomposed_p): Deny va_list if early_sra.
2291         (tree_sra_early, pass_sra_early): New.
2292         * tree-pass.h (pass_sra_early): Declare.
2293         * passes.c (init_optimization_passes): Use it.
2295 2007-02-14  Richard Guenther  <rguenther@suse.de>
2297         * flags.h (issue_strict_overflow_warning): Convert to a macro.
2299 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
2301          PR tree-optimization/30771
2302         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
2303         also phi nodes.
2304         (vect_analyze_operations): Induction phis can now be marked as
2305         used_in_loop.
2306         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
2307         Update documentation accordingly.
2309 2007-02-14  Nick Clifton  <nickc@redhat.com>
2311         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
2312         most 3 arguments are supported.
2313         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
2315 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
2317         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
2318         Ensure dst->current is valid.
2320 2007-02-13  Paul Brook  <paul@codesourcery.com>
2322         * config.gcc: Add arm*-*-uclinux-*eabi.
2323         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
2324         (SUBTARGET_EXTRA_LINK_SPEC): Define.
2325         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
2326         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
2327         (LINK_SPEC): Define.
2328         (LIB_SPEC): Define.
2329         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
2330         register.
2331         * config/arm/uclinux-eabi.h: New file.
2332         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
2333         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
2334         based targets.
2336 2007-02-13  Ian Lance Taylor  <iant@google.com>
2338         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
2339         * flags.h (warn_strict_overflow): Declare.
2340         (enum warn_strict_overflow_code): Define.
2341         (issue_strict_overflow_warning): New static inline function.
2342         * opts.c (warn_strict_overflow): New variable.
2343         (common_handle_option): Handle OPT_Wstrict_overflow and
2344         OPT_Wstrict_overflow_.
2345         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
2346         OPT_Wall.
2347         * fold-const.c: Include intl.h.
2348         (fold_deferring_overflow_warnings): New static variable.
2349         (fold_deferred_overflow_warning): New static variable.
2350         (fold_deferred_overflow_code): New static variable.
2351         (fold_defer_overflow_warnings): New function.
2352         (fold_undefer_overflow_warnings): New function.
2353         (fold_undefer_and_ignore_overflow_warnings): New function.
2354         (fold_deferring_overflow_warnings_p): New function.
2355         (fold_overflow_warning): New static function.
2356         (make_range): Add strict_overflow_p parameter.  Change all
2357         callers.
2358         (extract_muldiv, extract_muldiv_1): Likewise.
2359         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
2360         tree_expr_nonnegative_p.
2361         (fold_negate_expr): Call fold_overflow_warning.
2362         (fold_range_test): Likewise.
2363         (fold_comparison): Likewise.
2364         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
2365         instead of tree_expr_nonnegative_p.
2366         (tree_expr_nonnegative_warnv_p): Rename from
2367         tree_expr_nonnegative_p, add strict_overflow_p parameter.
2368         (tree_expr_nonnegative_p): New function.
2369         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
2370         strict_overflow_p parameter.
2371         (tree_expr_nonzero_p): New function.
2372         * passes.c (verify_interpass_invariants): New static function.
2373         (execute_one_pass): Call it.
2374         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
2375         warnings.
2376         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
2377         (estimate_numbers_of_iterations): Likewise.
2378         (scev_probably_wraps_p): Likewise.
2379         * tree-ssa-ccp.c: Include "toplev.h".
2380         (evaluate_stmt): Defer fold overflow warnings until we know we are
2381         going to optimize.
2382         (struct fold_stmt_r_data): Add stmt field.
2383         (fold_stmt_r): Defer fold overflow warnings until we know we
2384         optimized.
2385         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
2386         (fold_stmt_inplace): Likewise.
2387         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
2388         (cleanup_control_expr_graph): Defer fold overflow warnings until
2389         we know we are going to optimize.
2390         * tree-cfg.c (fold_cond_expr_cond): Likewise.
2391         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
2392         Likewise.
2393         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
2394         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
2395         * tree-ssa-loop-manip.c (create_iv): Likewise.
2396         * c-typeck.c (build_conditional_expr): Likewise.
2397         (build_binary_op): Likewise.
2398         * tree-vrp.c (vrp_expr_computes_nonzero): Call
2399         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
2400         (extract_range_from_unary_expr): Likewise.
2401         * simplify-rtx.c (simplify_const_relational_operation): Warn when
2402         assuming that signed overflow does not occur.
2403         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
2404         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
2405         (fold_defer_overflow_warnings): Declare.
2406         (fold_undefer_overflow_warnings): Declare.
2407         (fold_undefer_and_ignore_overflow_warnings): Declare.
2408         (fold_deferring_overflow_warnings_p): Declare.
2409         (tree_expr_nonzero_warnv_p): Declare.
2410         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
2411         of warning options.
2412         (Warning Options): Document -Wstrict-overflow.
2413         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
2414         (tree-ssa-ccp.o): Likewise.
2415         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
2416         (fold-const.o): Depend on intl.h.
2418 2007-02-13  Ian Lance Taylor  <iant@google.com>
2420         PR middle-end/30751
2421         * lower-subreg.c (resolve_simple_move): Decompose subregs in
2422         addresses.
2424 2007-02-13  Stuart Hastings  <stuart@apple.com>
2426         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
2428 2007-02-13  Richard Henderson  <rth@redhat.com>
2430         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
2431         handled_component_p before looking for the indirect_ref.
2433 2007-02-13  Richard Henderson  <rth@redhat.com>
2435         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
2436         remove flags clobber.
2437         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
2438         (bswaphi_lowpart): New.
2439         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
2440         remove TARGET_BSWAP test.  Delete expander of the same name.
2442         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
2443         (expand_unop): Use them.
2445 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
2447         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
2448         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
2449         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
2450         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
2451         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
2452         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
2453         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
2454         assembler dialect choice from asm templates.
2456 2007-02-12  Richard Henderson  <rth@redhat.com>
2458         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
2459         (fixuns_trunc<SSEMODEF>si2): Use it.
2460         * config/i386/sse.md (vec_setv4sf_0): Export.
2461         * config/i386/i386.c (ix86_build_const_vector): Export.
2462         (ix86_split_convert_uns_si_sse): Rename from
2463         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
2464         * config/i386/i386-protos.h: Update.
2466 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2468         PR c/29521
2469         * c-typeck.c (c_finish_return): Improve warning message.
2471 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2473         * alias.c (find_symbolic_term): Delete unused function.
2475 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
2477         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
2478         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
2479         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
2481 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2483         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
2484         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
2485         the function, temporarily point the debug interface to the null one.
2487 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
2489         * dwarf2out.c (round_up_to_align): New static function.
2490         (field_byte_offset): Use it to round the offset.
2492 2007-02-12  Richard Henderson  <rth@redhat.com>
2494         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
2495         (inswl_const): Export.
2497 2007-02-12  Richard Henderson  <rth@redhat.com>
2499         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
2500         result mode of the libcall, convert back to outmode.
2502 2007-02-12  Roger Sayle  <roger@eyesopen.com>
2504         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
2505         (bswapdi2): New define_expand to implement 32-bit implementation.
2507 2007-02-12  Nick Clifton  <nickc@redhat.com>
2509         * doc/invoke.texi (Overall Options): Document --help=.
2510         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
2511         (cc1_options): Pass --help= on to cc1.
2512         (display_help): Add description of --help=.
2513         (process_command): Add code to handle --help=.  Allow translated
2514         --help and --target-help switches to be passed on to compiler
2515         sub-process.
2516         (main): Remove unused if statement.
2517         * opts.c (columns): Remove.
2518         (LEFT_COLUMN): Define.
2519         (wrap_help): Add columns argument.
2520         (print_filtered_help): Change parameters to be an include bitmask,
2521         an exclude bitmask, an any bitmask and the column width.  Move the
2522         code to display the params list here.  Add code to display the
2523         status of options rather than their descriptions if the quiet flag
2524         is not active.
2525         (print_specific_help): Change parameters to be an include bitmask,
2526         an exclude bitmask and an any bitmask.  Move code to look up the
2527         column width here.  Decide upon the title for an options listing.
2528         (common_handle_options): Add code to handle --help=.  Adapt code
2529         for --help and --target-help to use the revised form of the
2530         print_specific_help function.
2531         (print_help): Delete.
2532         (print_param_help): Delete.
2533         (print_switch): Delete.
2534         * opts.h (cl_lang_count): Add prototype.
2535         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
2536         CL_MAX_OPTION_CLASS): New defines.
2537         * optc-gen.awk: Add construction of cl_lang_count.
2538         * c.opt: Add Warning attribute to warning options and Optimization
2539         attribute to optimization options.
2540         * common.opt: Likewise.
2541         Add --help=.
2542         Add -fhelp and -ftarget-help as aliases for the transformed --help
2543         and --target-help options.
2544         * opt-functions.awk: Add code to handle Warning and Optimization
2545         attributes.
2547 2007-02-12  Richard Henderson  <rth@redhat.com>
2549         * config/alpha/constraints.md: New file.
2550         * config/alpha/alpha.c: Include tm-constrs.h.
2551         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
2552         alpha_extra_constraint): Remove.
2553         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
2554         * config/alpha/alpha-protos.h: Update.
2555         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
2556         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
2557         (EXTRA_CONSTRAINT): Remove.
2558         * config/alpha/alpha.md: Include constraints.md.
2559         (adddi splitter): Use satisfies_constraint_*.
2560         * config/alpha/predicates.md (add_operand): Likewise.
2561         (sext_add_operand, addition_operation): Likewise.
2563 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
2565         PR tree-optimization/29145
2566         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
2567         in our handling of restrict qualified pointers.
2569 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2571         PR middle-end/7651
2572         * doc/invoke.texi (Wunused-value): Update description.
2573         (Wextra): Delete item.
2574         * opts.c (set_Wextra): Don't use the value of Wextra to set the
2575         value of Wunused-value.
2576         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
2577         (c_finish_stmt_expr): Don't check extra_warnings.
2578         (emit_side_effect_warnings): The caller is responsible to check
2579         warn_unused_value.
2581 2007-02-11  Roger Sayle  <roger@eyesopen.com>
2582             Matt Thomas  <matt@3am-software.com>
2584         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
2586 2007-02-11  Roger Sayle  <roger@eyesopen.com>
2588         * simplify-rtx.c (simplify_relational_operation_1): Optimize
2589         comparisons of POPCOUNT against zero.
2590         (simplify_const_relational_operation): Likewise.
2592 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2594         * doc/invoke.texi (Wextra): Delete outdated paragraph.
2596 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2598         * dwarf2out.c (root_type): Delete unused function.
2600 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2602         * genattrtab.c (contained_in_p): Delete unused function.
2603         (write_expr_attr_cache): Likewise.
2605 2007-02-11  Jan Hubicka  <jh@suse.cz>
2607         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
2608         previous patch.
2610 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
2612         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
2613         to add the REG_EQ* note.
2614         * see.c (see_merge_one_use_extension): Likewise.
2615         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
2616         turn REG_EQUAL notes into REG_EQUIV notes if the target
2617         register may have more than one set.
2618         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
2619         * gcse.c (try_replace_reg): Likewise.
2620         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
2621         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
2622         more than one REG_EQUIV note.
2623         * reload1.c (gen_reload): Use set_unique_reg_note.
2625 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
2627         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
2628         (ix86_builtin_conversion): New function.
2630 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
2632         PR target/29487
2633         * tree.h (DECL_REPLACEABLE_P): New macro.
2634         * except.c (set_nothrow_function_flags): Likewise.
2636 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
2637             Ira Rosen  <irar@il.ibm.com>
2638             Dorit Nuzman  <dorit@il.ibm.com>
2640         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
2641         * targhooks.c (default_builtin_vectorized_conversion): New.
2642         * targhooks.h (default_builtin_vectorized_function): New declaration.
2643         * target.h (struct vectorize): Add builtin_conversion field.
2644         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
2645         stmt_vec_info_type value.
2646         (vectorizable_conversion): New declaration.
2647         * tree-vect-analyze.c (vect_analyze_operations): Add
2648         vectorizable_conversion call.
2649         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2650         * tree-vect-transform.c (vectorizable_conversion): New function.
2651         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2652         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2653         mode.
2654         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2655         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2656         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2657         or ALTIVEC_BUILTIN_VCFSX.
2659 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2661         PR target/30634
2662         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2663         CONST_DOUBLE and operand 0 is a hard register.
2664         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2665         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
2666         is a hard floating-point register.
2668 2007-02-10  Richard Henderson  <rth@redhat.com>
2669             Jakub Jelinek  <jakub@redhat.com>
2670             Alexandre Oliva  <aoliva@redhat.com>
2672         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2673         * builtin-types.def (BT_WORD): Make unsigned.
2674         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2675         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2676         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2677         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2678         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2679         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2680         emulated tls.
2681         * expr.c (emutls_var_address): New.
2682         (expand_expr_real_1): Expand emulated tls.
2683         (expand_expr_addr_expr_1): Likewise.
2684         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2685         * output.h (emutls_finish): Declare.
2686         * toplev.c (compile_file): Call it.
2687         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2688         address before wrapping in CONST.
2689         * varasm.c (emutls_htab, emutls_object_type): New.
2690         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2691         (get_emutls_object_name, get_emutls_object_type): New.
2692         (get_emutls_init_templ_addr, emutls_decl): New.
2693         (emutls_common_1, emutls_finish): New.
2694         (assemble_variable): When emulating tls, swap decls; generate
2695         constructor for the emutls objects.
2696         (do_assemble_alias): When emulating tls, swap decl and target name.
2697         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2698         for emulated tls.
2699         * varpool.c (decide_is_variable_needed): Look at force_output.
2700         Recurse for emulated tls.
2701         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2702         with decide_is_variable_needed.
2703         * emutls.c: New file.
2704         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2705         tls_object for real tls.
2707 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2709         PR rtl-optimization/29599
2710         * reload1.c (eliminate_regs_in_insn): Take the destination
2711         mode into account when computing the offset.
2713 2007-02-09  Stuart Hastings  <stuart@apple.com>
2714             Richard Henderson  <rth@redhat.com>
2716         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2717         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2718         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2719         fixuns_truncdfhi2): New.
2720         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2721         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2722         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2723         (floatunssidf2): Allow nonimmediate source.
2724         * gcc/config/i386/sse.md (movdi_to_sse): New.
2725         (vec_concatv2di): Drop '*'.
2726         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2727         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2728         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2729         New.
2730         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2731         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2732         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2733         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2734         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2735         ix86_build_const_vector.
2736         (x86_emit_floatuns): Rewrite.
2738 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2740         * genautomata.c (longest_path_length): Delete unused function.
2741         (struct state): Delete unused longest_path_length.
2742         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2743         (get_free_state): Delete unused.
2745 2007-02-09  Jan Hubicka  <jh@suse.cz>
2747         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2748         * doc/invoke.texi (inline-unit-growth): Update default value.
2750         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2751         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2752         (rebuild_cgraph_edges): Likewise.
2753         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2754         (dump_cgraph_node): Dump frequencies.
2755         (cgraph_clone_edge): Add frequency scales.
2756         (cgraph_clone_node): Add freuqnecy.
2757         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2758         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2759         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2760         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2761         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2762         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2763         (save_inline_function_body): Likewise.
2764         * ipa-inline.c: inluce rtl.h
2765         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2766         (cgraph_edge_badness): Use frequencies.
2767         (cgraph_decide_recursive_inlining): Update clonning.
2768         (cgraph_decide_inlining_of_small_function): Dump frequency.
2769         * predict.c (estimate_bb_frequencies): Export.
2770         * predict.h (estimate_bb_frequencies): Declare.
2771         * tree-inline.c (copy_bb): Watch overflows.
2772         (expand_call_inline): Update call of cgraph_create_edge.
2773         (optimize_inline_calls): Use TODO flags to update frequnecies.
2774         * passes.h: Include predict.h
2775         (init_optimization_passes): Move profile ahead.
2776         (execute_function_todo): Handle TODO_rebuild_frequencies.
2778 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2780         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2781         the insbl or inswl pattern into a register.
2783 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2785         * config/ia64/ia64.md (bswapdi2): New define_insn.
2787 2007-02-09  Richard Henderson  <rth@redhat.com>
2789         * config/i386/constraints.md (Ym): New constraint.
2790         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2791         (movdi_1_rex64): Split sse and xmm general register moves from
2792         memory move alternatives.  Use conditional register constraints.
2793         (movsf_1, movdf_integer): Likewise.
2794         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2795         (movdf_integer_rex64): New.
2796         (pushsf_rex64): Fix output constraints.
2797         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2798         (sse2_stored): Likewise.
2799         (sse2_storeq_rex64): New.
2800         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2801         amd and not generic.
2802         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2803         for optimize_size.  Remove SF/DFmode hack.
2805 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2807         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2808         (bit_SSE4a): New.
2810 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2811             Richard Sandiford  <richard@codesourcery.com>
2813         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2814         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2815         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2816         m68k/t-mlib to tmake_file.
2817         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2818         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2819         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2820         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2821         variable is not empty, add t-$m68k_arch_family to tmake_file.
2822         Add t-mlibs to tmake_file.
2823         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2824         * config/m68k/t-cf: New file.
2825         * config/m68k/t-m68k: Likewise.
2826         * config/m68k/t-mlibs: Likewise.
2827         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2828         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2829         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2830         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2831         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2832         Delete.
2833         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2834         (INSTALL_LIBGCC): Delete.
2835         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2836         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2837         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2838         (M68K_MLIB_CPU): Define.
2839         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2840         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2841         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2843 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2844             Richard Guenther  <rguenther@suse.de>
2846         PR middle-end/23361
2847         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2848         against INT_MIN/INT_MAX.
2849         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2850         file if a loop is removed.
2852 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2854         * calls.c (store_one_arg): Pass correct alignment to
2855         emit_push_insn for non-BLKmode values.
2856         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2857         unaligned stack slot via a suitably aligned slot.
2859 2007-02-08  DJ Delorie  <dj@redhat.com>
2861         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2862         warnings.
2863         (legal_subregs): Use unsigned char, make const.
2864         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2866 2007-02-08  Paul Brook  <paul@codesourcery.com>
2868         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2869         special interworking needed.
2871 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2873         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2874         conditional to __SSE2__.
2875         (Entries below should have been added to first ChangeLog
2876         entry for amdfam10 dated 2007-02-05)
2877         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2878         defined.
2879         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2880         defined.
2881         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2882         defined.
2884 2007-02-08  DJ Delorie  <dj@redhat.com>
2886         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2887         * config/m32c/m32c.c (legal_subregs): New.
2888         (m32c_illegal_subreg_p): New.
2889         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2890         unsupported subregs of hard regs.
2892 2007-02-08  Jan Hubicka  <jh@suse.cz>
2894         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2895         the same one; always update histograms.
2897 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2899         * passes.c (init_optimization_passes): Tidy comment.
2901 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2903         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2904         strip zero_extend, bswap and rotates from POCOUNT's argument.
2905         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2906         zero_extend and rotates from PARITY's argument.
2907         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2908         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2909         of an integer constant at compile-time.
2911 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2913         PR 30562
2914         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2915         Update all users.
2916         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2917         users.
2918         (init_alias_info):
2919         * tree-ssa-live.c (remove_unused_locals): Do not remove
2920         TREE_ADDRESSABLE variables.
2921         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2922         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2923         FOR_CLOBBER.  Update all users.
2924         If VAR has an associated alias set, add a virtual operand for
2925         it if no alias is found to conflict with the memory reference.
2927 2007-02-07  Jan Hubicka  <jh@suse.cz>
2928             Robert Kidd <rkidd@crhc.uiuc.edu>
2930         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2932 2007-02-07  Ian Lance Taylor  <iant@google.com>
2934         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2936 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2938         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2939         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2940         tablejumpdi, movsi_to_cr_one): Remove constraints from
2941         define_expand's match_operands.
2943 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2945         * global.c (compute_regsets): Move declatation of "i" inside of
2946         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2948 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2950         PR c++/30703
2951         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2952         of INDIRECT_REF <RESULT_DECL>.
2954         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2956 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2957             Kaz Kojima  <kkojima@gcc.gnu.org>
2959         PR target/29746
2960         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2961         properly.
2962         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2964 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2966         * doc/loop.texi: Document possibility not to perform disambiguation
2967         of loops with multiple latches.
2968         * cfgloopmanip.c (alp_enum_p): Removed.
2969         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2970         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2971         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2972         the new forwarder block.
2973         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2974         Handle the case latch is NULL.
2975         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2976         when marking loop exits.
2977         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2978         be modified.
2979         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2980         disambiguate_loops_with_multiple_latches.
2981         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2982         before fix_loop_structure.
2983         * cfgloop.c: Include pointer-set.h and output.h.
2984         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2985         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2986         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2987         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2988         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2989         disambiguate_multiple_latches, get_loop_body_with_size,
2990         disambiguate_loops_with_multiple_latches): New functions.
2991         (flow_loop_dump): Dump multiple latch edges.
2992         (flow_loop_nodes_find): Handle loops with multiple latches.
2993         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2994         (glb_enum_p): Modified.
2995         (get_loop_body): Use get_loop_body_with_size.
2996         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2997         (AVOID_CFG_MODIFICATIONS): New constant.
2998         (disambiguate_loops_with_multiple_latches, add_loop,
2999         get_loop_body_with_size): Declare.
3000         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
3002 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
3004         PR inline-asm/28686
3005         * global.c (compute_regsets): New function.
3006         (global_alloc): Refactored ELIMINABLE_REGSET
3007         and NO_GLOBAL_ALLOC_REGS computation out.
3008         (rest_of_handle_global_alloc): Call compute_regsets()
3009         for non-optimizing case.
3011 2007-02-06  Richard Henderson  <rth@redhat.com>
3013         * config/i386/constraints.md (Y2): Rename from Y.
3014         (Yi): New constraint.
3015         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
3016         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
3017         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
3018         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
3019         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
3020         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
3021         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
3022         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
3023         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
3024         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
3025         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
3026         vec_extractv2si_1): Change Y constraints to Y2.
3027         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
3028         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
3029         Change Y constraints to Y2.
3030         (sse2_loadld): Change Y constraints to x.
3032 2007-02-06  Roger Sayle  <roger@eyesopen.com>
3034         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
3035         (parity<mode>2): New define_expand using rs6000_emit_parity.
3036         * config/rs6000/rs6000.c (rs6000_emit_popcount,
3037         rs6000_emit_parity): New functions.
3038         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
3039         rs6000_emit_parity): Prototype here.
3041 2007-02-06  Ian Lance Taylor  <iant@google.com>
3043         * lower-subreg.c (simple_move_operand): Reject CONST.
3044         (resolve_clobber): Call validate_change rather than directly
3045         assigning to XEXP (pat, 0).
3047 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
3049         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
3050         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
3051         (tree-cfg.o): Remove hashtab.h dependency.
3053         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
3054         (struct ivopts_data): Change niters to pointer_map_t.
3055         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
3056         (niter_for_exit): Create pointer_map on demand.  Change for
3057         pointer_map API.
3058         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
3059         (free_loop_data): Destroy data->niters if created and reset field.
3060         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
3061         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
3063         * tree-ssa-reassoc.c: Include pointer-set.h.
3064         (bb_rank): Change to long *.
3065         (operand_rank): Change to pointer_map_t.
3066         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
3067         (insert_operand_rank): Accept long.
3068         (operand_entry_hash, operand_entry_eq): Remove.
3069         (get_rank): Return long.  Adjust for changes above.
3070         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
3071         and operand_rank.
3072         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
3074         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
3075         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
3076         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
3077         is not NULL.
3078         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
3079         directly since it cannot be NULL.
3080         (get_vi_for_tree): Rewrite for pointer_map API.
3081         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
3082         (init_alias_vars): Create vi_for_tree as pointer_map.
3083         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
3085         * tree-cfg.c: Don't include hashtab.h.
3086         (edge_to_cases): Declare as pointer_map.
3087         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
3088         Delete.
3089         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
3090         (start_recording_case_labels): Create edge_to_cases as pointer_map.
3091         (end_recoding_case_labels): Cleanup edge_to_cases manually before
3092         destroying it.
3093         (record_switch_edge): Delete.
3094         (get_cases_for_edge): Adjust for pointer_map API, inline
3095         record_switch_edge (rewritten for new API), remove goto.
3097 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
3099         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
3100         * tree-nested.c: Include pointer-set.h.
3101         (var_map_elt, var_map_eq, var_map_hash): Delete.
3102         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
3103         to pointer_map_t's.
3104         (nesting_info_bitmap_obstack): New.
3105         (lookup_field_for_decl): Adjust for pointer_map API.
3106         (lookup_tramp_for_decl): Adjust for pointer_map API.
3107         (get_nonlocal_debug_decl): Adjust for pointer_map API.
3108         (get_local_debug_decl): Adjust for pointer_map API.
3109         (convert_nl_goto_reference): Adjust for pointer_map API.
3110         (convert_nl_goto_receiver): Adjust for pointer_map API.
3111         (create_nesting_tree): Create outside GGC space.  Create bitmap on
3112         the new obstack.  Create field_map and var_map as pointer_maps.
3113         (free_nesting_tree): Adjust for changes to create_nesting_tree.
3114         (root): Delete.
3115         (lower_nested_functions): Move root here, no need to NULL it.
3116         Initialize and release the obstack.
3118 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
3120         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
3121         Remove prototypes and make them non-static.
3122         (struct tree_int_map): Remove.
3123         * tree.h (struct tree_int_map): Move here, turning TO into an
3124         unsigned int.
3125         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
3127         * tree.h (TREE_COMPLEXITY): Remove.
3128         (struct tree_exp): Remove complexity field.
3129         * tree.c (build1_stat): Don't set it.
3131 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
3132             Victor Kaplansky  <victork@il.ibm.com>
3134         * tree-vectorizer.c (vect_is_simple_use): Support induction.
3135         (vect_is_simple_reduction): Support reduction with induction as
3136         one of the operands.
3137         (vect_is_simple_iv_evolution): Fix formatting.
3138         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
3139         formatting.  Don't mark induction phis for vectorization.
3140         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
3141         * tree-vect-transform.c (get_initial_def_for_induction): New function.
3142         (vect_get_vec_def_for_operand): Support induction.
3143         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
3144         induction case.
3145         (vectorizable_reduction): Support reduction with induction as one of
3146         the operands.
3147         (vectorizable_type_demotion): Use def-type of stmt argument rather
3148         than dummy def-type.
3150         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
3151         flag_tree_scev_cprop.
3152         * common.opt (tree-scev-cprop): New flag.
3154         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
3155         call to vect_get_new_vect_var.
3157 2007-02-06  Ira Rosen  <irar@il.ibm.com>
3159         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
3160         vectype is not NULL.
3161         (vect_pattern_recog_1): Likewise.
3163 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3165         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
3166         (fold_negate_expr): Likewise.
3168 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
3170         PR debug/30189
3171         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
3172         even if cv-qualification is the same.
3174 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
3176         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
3177         __enable_execute_stack on completion.
3179 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3181         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
3182         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
3183         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
3184         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
3185         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
3186         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
3187         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
3188         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
3190 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3192         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
3193         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
3194         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
3195         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
3196         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
3197         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
3198         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
3199         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
3200         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
3201         umuldi3_highpart_rex64, umulsi3_highpart_insn,
3202         umulsi3_highpart_zext, smuldi3_highpart_rex64,
3203         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
3204         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
3205         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
3206         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
3207         sqrtextenddfxf2_i387): Added amdfam10_decode.
3209         * config/i386/athlon.md (athlon_idirect_amdfam10,
3210         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
3211         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
3212         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
3213         athlon_ivector_store_amdfam10): New define_insn_reservation.
3214         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
3215         amdfam10.
3217 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3219         * config/i386/athlon.md (athlon_call_amdfam10,
3220         athlon_pop_amdfam10, athlon_lea_amdfam10): New
3221         define_insn_reservation.
3222         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
3223         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
3224         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
3226 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3228         * config/i386/athlon.md (athlon_sseld_amdfam10,
3229         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
3230         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
3232 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3234         * config/i386/athlon.md (athlon_sseins_amdfam10): New
3235         define_insn_reservation.
3236         * config/i386/i386.md (sseins): Added sseins to define_attr type
3237         and define_attr unit.
3238         * config/i386/sse.md: Set type attribute to sseins for insertq
3239         and insertqi.
3241 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3243         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
3244         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
3245         ssecomi_load_amdfam10, ssecomi_amdfam10,
3246         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
3247         define_insn_reservation.
3248         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
3250 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3252         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
3253         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
3254         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
3255         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
3256         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
3257         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
3258         define_insn_reservation.
3260         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
3261         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
3262         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
3263         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
3264         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
3266 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3268         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
3269         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
3270         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
3271         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
3272         athlon_ssemul_load_k8): Added amdfam10.
3274 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3276         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
3277         (x86_sse_unaligned_move_optimal): New variable.
3279         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
3280         m_AMDFAM10.
3281         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
3282         for unaligned vector SSE double/single precision loads for AMDFAM10.
3284 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3286         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
3287         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
3288         Define TARGET_CPU_DEFAULT_amdfam10.
3289         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
3290         (processor_type): Add PROCESSOR_AMDFAM10.
3292         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
3293         processor_type in config/i386/i386.h.
3294         Enable imul peepholes for TARGET_AMDFAM10.
3296         * config.gcc: Add support for --with-cpu option for amdfam10.
3298         * config/i386/i386.c (amdfam10_cost): New variable.
3299         (m_AMDFAM10): New macro.
3300         (m_ATHLON_K8_AMDFAM10): New macro.
3301         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
3302         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
3303         x86_promote_QImode, x86_integer_DFmode_moves,
3304         x86_partial_reg_dependency, x86_memory_mismatch_stall,
3305         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
3306         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
3307         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
3308         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
3309         Enable/disable for amdfam10.
3310         (override_options): Add amdfam10_cost to processor_target_table.
3311         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
3312         processor_alias_table.
3313         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
3314         (ix86_adjust_cost): Add code for amdfam10.
3316 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3318         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
3319         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
3320         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
3321         * config/i386/i386.h: Add builtin definition for SSE4A.
3322         * config/i386/i386.md: Add support for ABM instructions
3323         (popcnt and lzcnt).
3324         * config/i386/sse.md: Add support for SSE4A instructions
3325         (movntss, movntsd, extrq, insertq).
3326         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
3327         Add -march=amdfam10 flag.
3328         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
3329         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
3330         and amdfam10.
3331         * doc/extend.texi: Add documentation for SSE4A builtins.
3333 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
3335         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
3337 2007-02-05  Richard Guenther  <rguenther@suse.de>
3339         * tree-vectorizer.h (vectorizable_function): Add argument type
3340         argument, change return type.
3341         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
3342         * tree-vect-transform.c (vectorizable_function): Handle extra
3343         argument, return vectorized function decl.
3344         (build_vectorized_function_call): Remove.
3345         (vectorizable_call): Handle calls with result and argument types
3346         differing.  Handle loop vectorization factor correctly.
3347         * targhooks.c (default_builtin_vectorized_function): Adjust for
3348         extra argument.
3349         * targhooks.h (default_builtin_vectorized_function): Likewise.
3350         * target.h (builtin_vectorized_function): Add argument type
3351         argument.
3352         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
3353         extra argument, allow vectorizing of lrintf.
3354         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
3355         documentation of target hook.
3357 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
3359         PR target/30665
3360         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
3361         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
3362         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
3364 2007-02-05  Roger Sayle  <roger@eyesopen.com>
3366         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
3367         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
3368         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
3369         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
3370         before canonicalizing sincos to cexpi.
3371         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
3373 2007-02-05  Roger Sayle  <roger@eyesopen.com>
3375         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
3376         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
3377         (alpha_init_builtins): Use alpha_add_builtins to process tables.
3379 2007-02-05  Roger Sayle  <roger@eyesopen.com>
3381         * mips-tfile.c (initialize_init_file): Correct endianness test.
3383 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
3385         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
3386         the 'y' constraint.
3388 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
3390         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
3391         saves in a PARALLEL before the register assignments.
3393 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
3395         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
3396         DWARF_FRAME_RETURN_COLUMN to be a general register.
3397         * dwarf2out.c (init_return_column_size): New function, split from...
3398         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
3399         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
3400         to be nongeneral registers.
3401         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
3402         integer registers.
3403         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
3404         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
3406 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
3408         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
3410 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
3412         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
3413         (remove_path): Use can_remove_branch_p and remove_branch instead
3414         of loop_delete_branch_edge.
3415         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
3416         (tree_transform_and_unroll_loop): Remove dead branches immediately.
3417         Update profile using scale_dominated_blocks_in_loop.
3418         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
3419         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
3420         (can_remove_branch_p, remove_branch): Declare.
3421         * tree-cfg.c (tree_can_remove_branch_p): New function.
3422         (tree_cfg_hooks): Add tree_can_remove_branch_p.
3423         * cfgrtl.c (rtl_can_remove_branch_p): New function.
3424         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
3426 2007-02-05  Jan Hubicka  <jh@suse.cz>
3428         PR middle-end/30696
3429         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
3430         nodes in cgraph, don't remove offline copy of the function.
3432 2007-02-04  Jan Hubicka  <jh@suse.cz>
3434         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
3435         vectors might cause maybe_lookup_element_for_expr to be called
3436         on non-sra-candidate.
3438 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3440         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
3441         config/bfin/bfin.md, config/bfin/predicates.md: Follow
3442         spelling conventions.
3444 2007-02-04  Richard Guenther  <rguenther@suse.de>
3446         PR middle-end/30636
3447         * fold-const.c (try_move_mult_to_index): Make sure to not
3448         overflow one dimension of a multi-dimensional array access.
3450 2007-02-04  Jan Hubicka  <jh@suse.cz>
3452         * passes.c (init_optimization_passes): Reindent.
3454 2007-02-04  Jan Hubicka  <jh@suse.cz>
3455             Eric Botcazou  <ebotcazou@adacore.com>
3457         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
3458         (execute_fixup_cfg): Break out the abnormal goto code.
3459         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
3460         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
3461         (optimize_inline_calls): Call make_nonlocal_label_edges.
3463 2007-02-04  Jan Hubicka  <jh@suse.cz>
3465         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
3466         true when something was changed.
3467         (rename_ssa_copies): When something was changed, do
3468         TODO_remove_unused_locals.
3469         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
3470         add TODO_remove_unused_locals when instruction was removed.
3472 2007-02-04  Jan Hubicka  <jh@suse.cz>
3474         * ipa-inline.c (try_inline): Improve debug output; work on already
3475         inline edges too.
3476         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
3477         call try_inline for already inlined edges too when flattening;
3478         inline also functions that make callee growth but overall unit size
3479         reduce.
3481 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3483         * config/m32c/bitops.md, config/m32c/jump.md,
3484         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
3485         config/m32r/m32r.h, config/m32r/m32r.md,
3486         config/m32r/predicates.md, config/m68hc11/larith.asm,
3487         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
3488         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
3489         config/mips/mips-protos.h, config/mips/mips.c,
3490         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
3491         config/mn10300/mn10300.h, config/mn10300/predicates.md,
3492         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
3493         spelling conventions.
3495         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
3496         Follow spelling conventions.
3498 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
3500         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
3501         warn about C++0x compatibility.
3503 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
3505         * config/h8300/h8300.c, config/h8300/h8300.h,
3506         config/h8300/h8300.md: Follow spelling conventions.
3508 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
3510         PR middle-end/30667
3511         * combine.c (try_combine): Do not substitute source operand
3512         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
3514 2007-02-03  Jan Hubicka  <jh@suse.cz>
3516         PR gcov-profile/30650
3517         * value-prof.c (stringop_block_profile): Fix handling of size counter;
3518         do not divide by zero for never executed counters.
3519         (tree_find_values_to_profile): Fix counters.
3520         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
3522 2007-02-03  Ian Lance Taylor  <iant@google.com>
3524         * lower-subreg.c (simple_move_operand): New static function,
3525         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
3526         operands.
3527         (simple_move): Call simple_move_operand.
3528         (find_decomposable_subregs): Add special handling of MEMs.
3529         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
3530         meaning of return value.  If we see a hard register, test whether
3531         it can store a word_mode value.  Change all callers.
3533 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3535         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
3536         ftrapv insns and expanders.
3537         (subdi3): Change define_expand operand 1 to arith11_operand, and
3538         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
3539         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
3540         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
3541         respectively.
3543         PR middle-end/30174
3544         * varasm.c (notice_global_symbol): Treat global objects as weak when
3545         flag_shlib is true.
3547 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3549         * emit-rtl.c (dconstpi): Delete.
3550         (dconstsqrt2): New.
3551         (init_emit_once): Delete dconstpi and init dconstsqrt2.
3552         * real.h (dconstpi): Delete.
3553         (dconstsqrt2): New.
3554         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
3555         (fold_builtin_hypot): Likewise.
3557 2007-02-03  Tom Tromey  <tromey@redhat.com>
3559         PR driver/30246
3560         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
3561         -gcoff3, -gxcoff3, -gvms3 implies -dD.
3563 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
3565         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
3566         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
3567         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
3568         config/rs6000/cell.md, config/rs6000/darwin.h,
3569         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
3570         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
3571         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
3572         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
3573         typos.  Follow spelling conventions.
3574         * doc/invoke.texi: Follow spelling conventions.
3576 2007-02-03  Roger Sayle  <roger@eyesopen.com>
3578         * simplify-rtx.c (simplify_relational_operation_1): Implement some
3579         canonicalization transformations that attempt to simplify integer
3580         constant comparisons to become comparisons against zero.
3582 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3584         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
3585         fabs(x)*sqrt(2).
3586         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
3587         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
3589 2007-02-02  Mike Stump  <mrs@apple.com>
3591         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
3592         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
3593         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
3594         generate a branch island.
3596 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
3598         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
3599         (xtensa_legitimate_address_p): New.
3600         (xtensa_legitimize_address): New.
3601         (xtensa_output_addr_const_extra): New.
3602         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
3603         (BASE_REG_P): New.
3604         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
3605         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
3606         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
3607         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
3608         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
3609         (xtensa_legitimize_address): New.
3610         (xtensa_output_addr_const_extra): New.
3612 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
3614         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
3616 2007-02-02  Ian Lance Taylor  <iant@google.com>
3618         * expmed.c (expand_divmod): Add comment.
3620 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
3622         * emit-rtl.c (renumber_insns): Remove.
3623         * flags.h: Remove the extern for flag_renumber_insns.
3624         * rtl.h: Remove the prototype for renumber_insns.
3625         * toplev.c (flag_renumber_insns): Remove.
3627 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
3629         Revert for x86 darwin:
3630         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
3632         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
3633         code before the following patch under TARGET_MACHO.
3634         (ix86_function_value_regno_p): Likewise.
3636 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3638         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
3639         COMPLEX_EXPR.
3641 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3643         PR target/29682
3644         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
3645         general or fp registers.  Add comments.
3646         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3648 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
3650         * pointer-set.c (insert_aux): Only return insertion slot.
3651         (pointer_set_insert): Adjust.
3652         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3653         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3654         pointer_map_traverse): New.
3655         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3656         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
3657         pointer_map_contains, pointer_map_traverse): Declare.
3659 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
3661         PR middle-end/30473
3662         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3663         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
3665 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3667         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3669         (struct _dep): New type.
3670         (dep_t): New typedef.
3671         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3672         (DEP_STATUS): New access macro.  The macro with the same name was
3673         renamed to DEP_LINK_STATUS.
3674         (dep_init): Declare function
3676         (struct _dep_link): New type.
3677         (dep_link_t): New typedef.
3678         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3679         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3680         (DEP_LINK_STATUS): New macro.
3681         (debug_dep_links): New debug function.
3683         (struct _deps_list): New type.
3684         (deps_list_t): New typedef.
3685         (DEPS_LIST_FIRST): New access macro.
3686         (FOR_EACH_DEP_LINK): New cycle macro.
3687         (create_deps_list, free_deps_list, delete_deps_list): Declare
3688         functions.
3689         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3690         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3691         (copy_deps_list_change_con): Ditto.
3693         (move_dep_link): Declare function.
3695         (struct _dep_node): New type.
3696         (dep_node_t): New typedef.
3697         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3699         (struct haifa_insn_data.back_deps): New field to hold backward
3700         dependencies of the insn.
3701         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3702         to deps_list_t.
3703         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3704         Change its type to deps_list_t.
3705         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3706         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3707         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3709         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3711         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3713         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3714         all callers.
3715         (dep_cost): Declare.
3717         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3718         (ds_to_dk, dk_to_ds): New functions.
3720         (init_dep_1): New static function.
3721         (init_dep): New function.
3722         (copy_dep): New static function.
3724         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3725         functions.
3726         (detach_dep_link): New static function.
3727         (move_dep_link): New function.
3729         (dep_links_consistent_p, dump_dep_links): New static functions.
3730         (debug_dep_links): New debugging function.
3732         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3734         (alloc_deps_list, init_deps_list): New static functions.
3735         (create_deps_list): New function.
3736         (clear_deps_list): New static function.
3737         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3738         (deps_list_consistent_p, dump_deps_list): New static functions.
3739         (debug_deps_list): New function.
3740         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3741         functions.
3742         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3744         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3745         use new scheduler dependencies lists.
3746         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3747         (sched_analyze): Ditto.  Initialize dependencies lists.
3748         (add_forw_dep, compute_forward_dependences): Update to use new
3749         scheduler dependencies lists.
3751         (init_dependency_caches): Init deps_obstack.
3752         (free_dependency_caches): Free deps_obstack.
3754         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3755         new scheduler dependencies lists.
3756         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3757         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3759         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3760         Update to use new scheduler dependencies lists.
3761         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3762         (debug_dependencies): Ditto.
3763         (schedule_region): Update comments.
3765         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3766         scheduler dependencies lists.
3767         (schedule_ebb): Update comments.
3769         * rtl.def (DEPS_LIST): Remove.
3771         * lists.c (unused_deps_list): Remove.
3772         (free_list): Update assertions.
3774         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3775         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3777         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3778         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3780         * haifa-sched.c (comments): Update.
3781         (insn_cost1): Remove.  Inline the code into insn_cost ().
3782         (insn_cost): Update to use new scheduler dependencies lists.  Move
3783         processing of the dependency cost to dep_cost ().
3784         (dep_cost): New function.  Use it instead of insn_cost () when
3785         evaluating cost of the dependency.  Use compatible interface to
3786         interact with the target.
3787         (priority): Update to use new scheduler dependencies lists.
3788         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3789         with greater number of insns that depend on the insn.
3790         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3791         code to free backward dependencies lists.  Inline and optimize code
3792         from resolve_dep () - see PR28071.
3793         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3794         lists.  Update call to targetm.sched.is_costly_dependence hook.
3796         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3797         scheduler dependencies lists.
3799         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3800         (init_h_i_d): Initialize dependencies lists.
3802         (process_insn_depend_be_in_spec): Rename to
3803         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3804         dependencies lists.
3805         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3806         Update to use new scheduler dependencies lists.
3807         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3809         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3810         new scheduler dependencies lists.
3811         (build_intra_loop_deps): Ditto.
3813         * target.h (struct _dep): Declare to use in
3814         gcc_target.sched.is_costly_dependence.
3815         (struct gcc_target.sched.adjust_cost): Fix typo.
3816         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3817         single dep_t parameter instead of an equivalent triad.
3818         (struct gcc_target.sched.adjust_cost_2): Remove.
3820         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3822         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3824         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3825         documentation.
3826         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3828         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3829         (REG_DEP_TRUE): Document.
3831         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3832         Change signature to correspond to the targetm.sched.adjust_cost hook.
3833         Update use in TARGET_SCHED_ADJUST_COST_2.
3834         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3835         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3836         new scheduler dependencies lists.
3837         (ia64_gen_check): Ditto.
3839         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3840         dependencies lists.
3842         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3843         signature to correspond to the targetm.sched.is_costly_dependence hook.
3844         (is_costly_group): Update to use new scheduler dependencies lists.
3846         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3847         instead of INSN_COST () macro.
3849 2007-02-01  Ian Lance Taylor  <iant@google.com>
3851         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3853 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3855         * pa.md (tp_load): Correct mfctl instruction syntax.
3857 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3859         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3860         altivec_padding_size calculation on AIX.  Improve comment, add
3861         assert to verify that it's right.
3863         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3864         64-bit.
3866 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3868         PR inline-asm/28686
3869         * global.c (global_alloc): Add mising initialization of
3870         ELIMINABLE_REGSET.
3872 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3874         * alias.c (init_alias_analysis): Correct whitespace.
3875         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3876         partition_hot_cold_basic_blocks): Likewise.
3877         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3878         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3879         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3880         fold_builtin_snprintf_chk, fold_builtin_printf,
3881         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3882         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3883         * cfgcleanup.c (cleanup_cfg): Likewise.
3884         * cfgexpand.c (tree_expand_cfg): Likewise.
3885         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3886         * function.c (get_next_funcdef_no): Likewise.
3887         * gengtype.c (main): Likewise.
3888         * genmodes.c (main): Likewise.
3889         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3890         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3891         * ifcvt.c (noce_emit_move_insn): Likewise.
3892         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3893         Likewise.
3894         * stor-layout.c (get_best_mode): Likewise.
3895         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3896         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3897         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3898         perform_var_substitution, solve_graph): Likewise.
3899         * tree-vrp.c (vrp_finalize): Likewise.
3901 2007-02-01  Ian Lance Taylor  <iant@google.com>
3903         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3904         high part of a paradoxical subreg, return a constant zero.
3906 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3908         * toplev.c (lang_dependent_init): Call init_set_costs.
3909         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3911 2007-02-01  Richard Guenther  <rguenther@suse.de>
3913         PR middle-end/30656
3914         * fold-const.c (fold_negate_expr): Allow negating a
3915         constant if overflow does not change.
3917 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3919         * doc/c-tree.texi (Expression trees): Improve markup.
3920         * doc/tm.texi (Register Classes, Addressing Modes)
3921         (Floating Point): Fix spacing after abbreviations.  Fix some
3922         typos.
3924 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3926         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3927         * doc/contrib.texi: Likewise.
3928         * doc/install.texi: Likewise.
3930 2007-01-31  Richard Henderson  <rth@redhat.com>
3931             Ian Lance Taylor  <iant@google.com>
3933         * lower-subreg.c: New file.
3934         * rtl.def (CONCATN): Define.
3935         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3936         pass_lower_subreg2.
3937         * emit-rtl.c (update_reg_offset): New static function, broken out
3938         of gen_rtx_REG_offset.
3939         (gen_rtx_REG_offset): Call update_reg_offset.
3940         (gen_reg_rtx_offset): New function.
3941         * regclass.c: Revert patch of 2006-03-05, restoring
3942         reg_scan_update.
3943         (clear_reg_info_regno): New function.
3944         * dwarf2out.c (concatn_loc_descriptor): New static function.
3945         (loc_descriptor): Handle CONCATN.
3946         * common.opt (fsplit_wide_types): New option.
3947         * opts.c (decode_options): Set flag_split_wide_types when
3948         optimizing.
3949         * timevar.def (TV_LOWER_SUBREG): Define.
3950         * rtl.h (gen_reg_rtx_offset): Declare.
3951         (reg_scan_update): Declare.
3952         * regs.h (clear_reg_info_regno): Declare.
3953         * tree-pass.h (pass_lower_subreg): Declare.
3954         (pass_lower_subreg2): Declare.
3955         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3956         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3957         -fsplit-wide-types.
3958         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3959         * Makefile.in (OBJS-common): Add lower-subreg.o.
3960         (lower-subreg.o): New target.
3962 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3964         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3966 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3968         PR target/19087
3969         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3971 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3973         PR middle-end/29335
3974         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3976 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3978         * cfgloop.h: Include vec-prim.h.
3979         (enum li_flags): Remove LI_ONLY_OLD.
3980         (loop_iterator): Changed.
3981         (fel_next, fel_init): Iterate over loop tree.
3982         (FOR_EACH_LOOP_BREAK): New macro.
3983         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3984         FOR_EACH_LOOP.
3985         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3986         * modulo-sched.c (sms_schedule): Ditto.
3987         * tree-vectorizer.c (vectorize_loops): Ditto.
3988         * doc/loop.texi: Update information on loop numbering and behavior of
3989         FOR_EACH_LOOP wrto new loops.
3990         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3991         add_to_evolution_1): Test nestedness of loops instead of comparing
3992         their numbers.
3993         * tree-chrec.c (chrec_fold_plus_poly_poly,
3994         chrec_fold_multiply_poly_poly, chrec_evaluate,
3995         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3996         reset_evolution_in_loop): Ditto.
3997         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3999 2007-01-31  Dirk Mueller  <dmueller@suse.de>
4001         * c-common.c (warn_about_parentheses): Separate warning about
4002         un-parenthized sequence of comparison operators from the one
4003         which is supposed to warn about x <= y <= z.
4005 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
4007         * optabs.h (enum optab_index): Add new OTI_isinf.
4008         (isinf_optab): Define corresponding macro.
4009         * optabs.c (init_optabs): Initialize isinf_optab.
4010         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
4011         patterns.
4012         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
4013         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
4014         using isinf_optab.
4015         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
4016         expand_builtin_interclass_mathfn.
4017         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
4018         * config/i386/i386.md (UNSPEC_FXAM): New constant.
4019         (fxam<mode>2_i387): New insn pattern.
4020         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
4021         built-in functions as x87 inline asm.
4023 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
4025         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
4027 2007-01-30  Eric Christopher  <echristo@apple.com>
4029         * config.gcc: Add geode.
4031 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
4033         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
4034         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
4035         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
4036         value-prof.c: Fix comment typos.
4038 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4040         PR c++/24745
4041         * doc/invoke.texi (Wpointer-arith): Document warning.
4043 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
4045         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
4046         the list of discrepancies from the draft TR.
4048 2007-01-30  Dirk Mueller  <dmueller@suse.de>
4050         PR c++/30601
4051         * doc/invoke.texi (-Wreturn-type): Update description to
4052         match new behavior.
4054 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
4056         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
4058 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
4060         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
4061         to handle optabs that operate on floating point input argument and
4062         output to integer output.
4063         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
4064         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
4065         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
4066         expand_builtin_interclass_mathfn ().
4067         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
4068         (ilogbsi2): Remove.
4069         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
4070         ilogbl built-in functions as x87 intrinsics.
4072 2007-01-30  Richard Guenther  <rguenther@suse.de>
4074         PR middle-end/27657
4075         * dwarf2out.c (reference_to_unused): Query varpool if the
4076         variable was output.
4078 2007-01-30  Richard Guenther  <rguenther@suse.de>
4080         PR middle-end/30313
4081         * passes.c (execute_one_pass): Reset in_gimple_form to not
4082         confuse non-unit-at-a-time mode.
4084 2007-01-29  Roger Sayle  <roger@eyesopen.com>
4085             Richard Guenther  <rguenther@suse.de>
4087         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
4088         avoid undefined behaviour on overflow.  Use force_fit_type_double
4089         to construct the constant with the specified TREE_OVERFLOW.
4091 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
4093         * config/dfp-bit.c: Add parameterized support for fp exceptions.
4094         * config/dfp-bit.h: Ditto.
4096 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4098         * c-decl.c (pop_scope): Replace warnings with call to
4099         warn_for_unused_label.
4100         * c-common.h (warn_for_unused_label): Declare.
4101         * c-common.c (warn_for_unused_label): Define.
4103 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4105         * tree-optimize.c (update_inlined_to_pointers): Delete unused
4106         function.
4108 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
4110         * Makefile.in (USER_H): Remove decfloat.h.
4111         * ginclude/decfloat.h: Delete, moving contents to ...
4112         * ginclude/float.h: Add support for decimal floating point,
4113         guarded by __STDC_WANT_DEC_FP__.
4115 2007-01-29  Mike Stump  <mrs@apple.com>
4117         * doc/gccint.texi (Top): Rename Loop Representation to Loop
4118         Analysis and Representation to resolve case insensitive conflict.
4119         * doc/loop.texi (Loop Analysis and Representation): Likewise.
4121 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
4123         * tree.h (struct tree_memory_tag): Add aliases member.
4124         (MTAG_ALIASES): New macro.
4125         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
4126         (add_may_alias): Remove pointer-set. Update for may_aliases being
4127         a bitmap.
4128         (mark_aliases_call_clobbered): Update for may_aliases being a
4129         bitmap.
4130         (compute_tag_properties): Ditto.
4131         (create_partition_for): Ditto.
4132         (compute_memory_partitions): Ditto.
4133         (dump_may_aliases_for): Ditto.
4134         (is_aliased_with): Ditto.
4135         (add_may_alias_for_new_tag): Ditto.
4136         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
4137         (compute_is_aliased): New function.
4138         (compute_may_aliases): Call compute_is_aliased).
4139         (init_alias_info): Initialize alias_bitmap_obstack.
4140         (union_alias_set_into): New function.
4141         (compute_flow_sensitive_aliasing): Use union_aliases_into.
4142         (have_common_aliases_p): Rewrite to take two bitmaps and use
4143         intersection.
4144         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
4145         Update for bitmaps.
4146         (finalize_ref_all_pointers): Update for add_may_alias changes.
4147         (new_type_alias): Ditto.
4148         * tree-flow-inline.h (may_aliases): Return a bitmap.
4149         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
4150         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
4151         may_aliases being a bitmap.
4152         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
4153         may_aliases now returns a bitmap.
4154         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
4155         being a bitmap.
4156         * tree-ssa-operands.c (add_virtual_operand): Update for
4157         may_aliases being a bitmap.
4159 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
4161         PR tree-optimization/30630
4162         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
4163         variable as changed.
4165 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
4167         PR c++/28266
4168         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
4169         expanded only once even if an error occurs.
4171 2007-01-29  Ben Elliston  <bje@au.ibm.com>
4173         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
4174         (__gcov_average_profiler): Likewise.
4175         (__gcov_ior_profiler): Likewise.
4176         (__gcov_merge_ior): Likewise.
4178 2007-01-28  Jan Hubicka  <jh@suse.cz>
4180         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
4181         * value-prof.c (stringop_block_profile): Likewise.
4183 2007-01-28  Jan Hubicka  <jh@suse.cz>
4185         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
4186         variant handling histograms; add wrapper.
4187         (clear_storage_via_libcall): Export.
4188         (emit_block_move_hints): Break out from ...; add histograms.
4189         (emit_block_move): ... this one.
4190         (clear_storage_hints): Break out from ...; add histograms.
4191         (clear_storage): ... this one.
4192         (set_storage_via_memset): Handle histogram.
4193         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
4194         (clear_storage_hints, clear_storage_via_libcall): Declare.
4195         (set_storage_via_setmem): Update prototype.
4196         * doc/md.texi (movmem, setmem): Document new arguments.
4198         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
4199         new histograms.
4200         (stringop_block_profile): New global function.
4201         (tree_stringops_values_to_profile): Profile block size and alignment.
4202         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
4203         HIST_TYPE_IOR.
4204         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
4205         (stringop_block_profile): Declare.
4206         * builtins.c: Include value-prof.h.
4207         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
4208         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
4209         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
4210         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
4211         * profile.c (instrument_values): Add new counters.
4212         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
4213         calls.
4214         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
4215         (tree_init_edge_profiler): Build new profilers.
4216         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
4217         (pass_tree_profile): Add dump.
4218         (tree_profile_hooks): Update.
4219         * Makefile.in (LIBGCOV): Add new constants.
4220         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
4221         __gcov_ior_profiler): New.
4222         * i386.md (movmem/setmem expanders): Add new optional arguments.
4224 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
4226         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
4228 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
4230         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
4231         (tree_unswitch_single_loop): Pass eni_size_weights to
4232         tree_num_loop_insns.
4233         * tree-ssa-loop-manip.c: Include tree-inline.h.
4234         (can_unroll_loop_p): Pass eni_size_weights to
4235         tree_num_loop_insns.
4236         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
4237         Pass eni_size_weights to estimate_num_insns.
4238         * tree.h (init_inline_once): Export.
4239         * toplev.c (backend_init): Call init_inline_once.
4240         * cgraphunit.c (cgraph_process_new_functions,
4241         cgraph_analyze_function): Pass eni_inlining_weights to
4242         estimate_num_insns.
4243         * ipa-inline.c (compute_inline_parameters): Ditto.
4244         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
4245         to estimate_num_insns.
4246         (try_unroll_loop_completely): Pass eni_size_weights to
4247         tree_num_loop_insns.
4248         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
4249         ot estimate_num_insns.
4250         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
4251         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
4252         * tree-inline.c (eni_inlining_weights, eni_size_weights,
4253         eni_time_weights): New variables.
4254         (init_inline_once): Initialize them.
4255         (struct eni_data): Mew.
4256         (estimate_num_insns_1, estimate_num_insns): Use weights.
4257         * tree-inline.h (struct eni_weights_d): New.
4258         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
4259         (estimate_num_insns): Declaration changed.
4260         * cfgloop.h (tree_num_loop_insns): Declaration changed.
4261         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
4262         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
4264 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
4266         * tree-data-ref.c (conflict_fn): Assert that the number of affine
4267         relations in the conflict function is valid.
4269 2007-01-27  Ian Lance Taylor  <iant@google.com>
4271         * common.opt: Add fstrict-overflow.
4272         * opts.c (decode_options): Set flag_strict_overflow if -O2.
4273         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
4274         (TYPE_OVERFLOW_UNDEFINED): Define.
4275         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
4276         Replace all uses.
4277         * tree.h (TYPE_TRAP_SIGNED): Don't define.
4278         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
4279         (fold_negate_expr): Likewise.
4280         (make_range): Likewise.
4281         (extract_muldiv_1): Likewise.
4282         (maybe_canonicalize_comparison): Likewise.
4283         (fold_comparison): Likewise.
4284         (fold_binary): Likewise.
4285         (tree_expr_nonnegative_p): Likewise.
4286         (tree_expr_nonzero_p): Likewise.
4287         * tree-vrp.c (compare_values): Likewise.
4288         (extract_range_from_binary_expr): Likewise.
4289         (extract_range_from_unary_expr): Likewise.
4290         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
4291         Likewise.
4292         (nowrap_type_p): Likewise.
4293         * tree-scalar-evolution.c (simple_iv): Likewise.
4294         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
4295         (build_range_check): Likewise.
4296         (extract_muldiv_1): Likewise.
4297         (fold_comparison): Likewise.
4298         * tree-vrp.c (vrp_int_const_binop): Likewise.
4299         (extract_range_from_unary_expr): Likewise.
4300         * convert.c (convert_to_integer): Likewise.
4301         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
4302         (fold_comparison): Likewise.
4303         (fold_binary): Likewise.
4304         * optabs.c (optab_for_tree_code): Likewise.
4305         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
4306         * simplify-rtx.c (simplify_const_relational_operation): Check
4307         flag_strict_overflow and flag_trapv.
4308         (simplify_const_relational_operation): Likewise.
4309         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
4310         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
4311         -fstrict-overflow.
4313 2007-01-27  Roger Sayle  <roger@eyesopen.com>
4315         * tree.c (tree_fold_gcd): Delete.
4316         * tree.h (tree_fold_gcd): Remove prototype.
4317         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
4318         test whether one constant integer is a multiple of another.  Instead
4319         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
4320         * fold-const.c (multiple_of_p):  We've determined both TOP and
4321         BOTTOM are integer constants so we can call int_const_binop directly
4322         instead of the more generic const_binop.
4324 2007-01-27  Roger Sayle  <roger@eyesopen.com>
4326         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
4327         1*X check that the constant hasn't overflowed, to preserve the
4328         TREE_OVERFLOW bit.
4329         (round_up): Provide an efficient implementation when rouding-up an
4330         INTEGER_CST to a power-of-two.
4332 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
4334         * doc/sourcebuild.texi: Add comma for clarity.
4335         * doc/extend.texi: Fix some typos.
4336         * doc/passes.texi: Likewise.
4337         * doc/cppinternals.texi: Likewise.
4338         * doc/c-tree.texi: Likewise.
4339         * doc/tree-ssa.texi: Likewise.
4340         * doc/install.texi: Likewise.
4342 2007-01-27  Jan Hubicka  <jh@suse.cz>
4344         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
4345         (pass_sra): Do not require alias information.
4346         * passes.c (init_optimization_passes): Add SRA
4348 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
4350         * tracer.c (rest_of_handle_tracer): We already cleaned
4351         up the CFG in tracer() so don't do it here again.
4352         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
4353         cleanup_cfg here, either.  And don't call renumber_insns.
4355         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
4356         and BB_HEAD are in the insn stream here.  Instead make sure
4357         that BB_INSN is valid on all insns.  Also, do check here that
4358         there are no pending branch predictions...
4359         (rtl_verify_flow_info): ...instead of doing it here.  Checks
4360         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
4361         here.
4363 2007-01-26  Roger Sayle  <roger@eyesopen.com>
4365         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
4366         function to simplify/factorize operand order canonicalization.
4367         (ix86_fixup_binary_operands): Reorganize using the above function.
4368         (ix86_binary_operator_ok): Likewise.
4370 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
4372         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
4373         file scope from optimize_attrs.
4374         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
4375         up search.
4376         (optimize_attrs): Clear insn_code_values after freeing it.
4378 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
4380         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
4381         a parts.base assignment.
4383 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
4385         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
4386         (compute_subscript_distance, initialize_data_dependence_relation,
4387         finalize_ddr_dependent, analyze_ziv_subscript,
4388         analyze_siv_subscript_cst_affine,
4389         compute_overlap_steps_for_affine_univar,
4390         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
4391         analyze_siv_subscript, analyze_miv_subscript,
4392         analyze_overlapping_iterations, subscript_dependence_tester_1,
4393         compute_self_dependence, free_dependence_relation): Work
4394         with affine_fn instead of chrecs.
4395         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
4396         common_affine_function, affine_function_base,
4397         affine_function_constant_p, affine_fn_op, affine_fn_plus,
4398         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
4399         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
4400         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
4401         (all_chrecs_equal_p): Removed.
4402         * tree-data-ref.h (affine_fn, conflict_function): New types.
4403         (struct subscript): Change type of conflicting_iterations_in_a
4404         and conflicting_iterations_in_b.
4406 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
4408         PR other/30182
4409         * config/pa/pa.h (TARGET_HPUX_11): New.
4410         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
4411         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
4413 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
4414         Richard Guenther  <rguenther@suse.de>
4416         * tree-ssa-structalias.c (solve_graph): Handle case
4417         we merged the variable to another.
4419 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4421         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
4422         functions.
4424         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
4425         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
4427 2007-01-25  DJ Delorie  <dj@redhat.com>
4429         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
4430         allow changes to modes which don't fit in those registers.
4432         * reload1.c (choose_reload_regs): Check for invalid subregs before
4433         computing their locations, not after.
4435 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
4437         PR 25127
4438         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
4439         save Altivec registers in an eh_return function.
4440         (compute_vrsave_mask): Likewise.
4441         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
4442         for saving Altivec registers.
4443         (rs6000_emit_prologue): Don't allocate stack twice in
4444         eh_return function.  Correct expected value of altivec_save_offset
4445         when using save_world.  Describe save of R0 to stack when using
4446         save_world.  Describe stack pointer adjustment when using
4447         save_world.  Remove duplicated eh_return parameter register saving.
4448         Update sp_offset variable after save_world.
4449         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
4450         darwin-world.asm.
4451         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
4452         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
4453         implies Altivec.
4455 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
4457         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
4459 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
4461         PR other/30182
4462         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
4463         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
4465 2007-01-25  Richard Guenther  <rguenther@suse.de>
4467         * doc/invoke.texi (-Wcoverage-mismatch): Document.
4468         * common.opt (-Wcoverage-mismatch): New warning option.
4469         * coverage.c (get_coverage_counts): Ignore coverage mismatch
4470         if -Wcoverage-mismatch is given.
4472 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
4474         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
4475         (ipcp_driver): Change to static definition.
4476         Add dumping of the ifunctions.
4477         (constant_val_insert): Remove unused parameter. Support for SSA.
4478         (ipcp_propagate_const): Support for SSA.
4479         (ipcp_profile_bb_print): Print only analyzed nodes.
4480         (ipcp_replace_map_create): Remove support for Fortran constant
4481         for now.
4482         * ipa-prop.c (ipa_method_modify_stmt,
4483         ipa_callsite_compute_param): Support for SSA.
4484         * ipa-prop.h (ipcp_driver): Remove declaration.
4485         (IS_VALID_TREE_MAP_INDEX): Add define.
4487 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
4489         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
4491 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4493         PR middle-end/30447
4494         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
4495         constant argument to cabs and do it without checking for
4496         -funsafe-math-optimizations.
4498 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
4500         * c-common.h (RID_FIRST_CXX0X): New.
4501         (RID_LAST_CXX0X): New.
4502         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
4503         by -Wall.
4504         * c.opt (Wc++0x-compat): New.
4505         * doc/invoke.texi (-Wc++0x-compat): Document.
4507 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4509         * builtins.c (fold_builtin_carg): New.
4510         (fold_builtin_1): Use it.
4512 2007-01-24  Jan Hubicka  <jh@suse.cz>
4514         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
4516         * ipa-inline.c (initial_insns, max_insns): Delete.
4517         (compute_max_insns): New function.
4518         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
4519         of insns as base for code growth.
4520         (cgraph_decide_inlining): Make initial_insns local; do not compute
4521         max_insns.
4522         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
4523         * doc/invoke.texi (inline-unit-growth): Update docs.
4525 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
4527         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
4528         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
4529         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
4530         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
4531         for CPUs that have PTA_CX16 set.
4533         PR middle-end/27416
4534         * gimplify.c (omp_check_private): New function.
4535         (gimplify_scan_omp_clauses): Use it for
4536         firstprivate/lastprivate/reduction.
4538         PR middle-end/30494
4539         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
4540         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
4542         PR middle-end/30421
4543         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
4544         If lower_lastprivate_clauses emits some statements, append them
4545         to dlist rather than body_p and to body_p append an initializer.
4546         (lower_omp_for): Adjust caller.
4548 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
4550         * target.h (globalize_decl_name): New.
4551         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
4552         * output.h (default_globalize_decl_name): New.
4553         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
4554         globalize_label.
4555         (globalize_decl): Ditto.
4556         (default_globalize_decl_name): New.
4557         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
4558         (ia64_handle_version_id_attribute): New.
4559         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
4560         (ia64_asm_output_external): Use globalize_decl_name instead
4561         of globalize_label.
4562         * doc/extend.texi (version_id): New pragma.
4563         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
4565 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4567         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
4568         _uleb128_t and _Unwind_SWord with _sleb128_t.
4569         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
4570         uw_frame_state_for, uw_update_context_1): Likewise.
4571         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
4572         * unwind-pe.h (read_uleb128, read_sleb128,
4573         read_encoded_value_with_base): Likewise.
4574         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
4576 2007-01-24  Richard Guenther  <rguenther@suse.de>
4578         * builtins.c (expand_builtin_cexpi): Get the fndecl
4579         for cexp in the correct way.
4581 2007-01-24  Jan Hubicka  <jh@suse.cz>
4583         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
4585 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4587         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
4588         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
4589         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
4590         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
4591         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
4592         __SIZEOF_PTRDIFF_T__.
4593         * doc/cpp.texi: Documentation for the new builtin macros added.
4595 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
4597         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
4598         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
4599         instead of operands[2] to avoid access past the end of array.
4601 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
4603         * reload1.c (emit_reload_insns): Pass the reload register
4604         for a non-spill output reload through forget_old_reloads_1.
4606 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
4608         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4609         _SOFT_DOUBLE if doubles use software floating-point.
4610         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
4611         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4612         * config/rs6000/darwin-ldouble.c: Also compile functions for
4613         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
4614         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4615         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
4616         commented-out long double override.
4617         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
4618         * config/rs6000/eabispe.h: Likewise.
4619         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
4620         long double for non-SPE.
4621         (rs6000_handle_option): Likewise.
4622         (invalid_e500_subreg): Disallow more subregs involding DImode,
4623         DFmode, TImode or TFmode.
4624         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
4625         E500 double.
4626         (legitimate_lo_sum_address_p): Also check for TFmode for E500
4627         double.
4628         (rs6000_legitimize_address): Also handle TFmode for E500 double.
4629         (rs6000_legitimize_reload_address): Also handle TFmode for E500
4630         double.
4631         (rs6000_legitimate_address): Also check for TFmode for E500
4632         double.
4633         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
4634         (spe_build_register_parallel): Handle TFmode and TCmode.
4635         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
4636         double.
4637         (function_arg): Handle TFmode and TCmode for E500 double.
4638         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
4639         in general.
4640         (print_operand): Handle TFmode and TImode for %y.
4641         (rs6000_generate_compare): Handle TFmode comparisons for E500
4642         double.
4643         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
4644         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
4645         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
4646         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
4647         TFmode for E500 double.
4648         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
4649         (floatsidf2): Enable for E500 double.
4650         (movtf_softfloat): Use rs6000_nonimmediate_operand.
4651         (extenddftf2): Change to extenddftf2_fprs.
4652         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
4653         depending on TARGET_E500_DOUBLE.
4654         (extendsftf2): Enable for E500 double.
4655         (trunctfdf2): Enable for E500 double.
4656         (trunctfsf2): Change to trunctfsf2_fprs.
4657         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
4658         depending on TARGET_E500_DOUBLE.
4659         (floatsitf2): Enable for E500 double.
4660         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
4661         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
4662         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
4663         (negtf2): Change to negtf2_internal.
4664         (negtf2): New expander.
4665         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
4666         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
4667         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
4668         (movdi_internal32): Use rs6000_nonimmediate_operand.
4669         (unnamed splitter): Likewise.
4670         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
4671         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
4672         (SPE64TF, DITI): New mode macros.
4673         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
4674         modes.
4675         (frob_tf_ti): New.
4676         (frob_<mode>_di_2): New.
4677         (frob_tf_di_8_2): New.
4678         (frob_di_df): Change to frob_di_<mode>; allow more modes.
4679         (frob_ti_tf): New.
4680         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4681         more modes.
4682         (frob_ti_<mode>_8_2): New.
4683         (frob_ti_tf_2): New.
4684         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4685         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
4686         TFmode.
4687         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4688         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4689         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4690         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4691         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4692         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4693         tsttflt_gp): New.
4695 2007-01-23  Ian Lance Taylor  <iant@google.com>
4697         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4698         insn-*.o first.
4699         (OBJS-archive): Reformat, alphabetize.
4700         (OBJS): Change out_object_file to OBJS-md.
4702 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
4704         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4705         JUMP_P and CALL_P predicates where applicable.
4706         * config/i386/i386.c: Ditto.
4707         * config/i386/i386.md: Ditto.
4708         * config/i386/mmx.md: Ditto.
4709         * config/i386/predicates.md: Ditto.
4711 2007-01-22  Andreas Schwab  <schwab@suse.de>
4713         * config/m68k/m68k.h: Fix comment.
4715 2007-01-22  Jan Hubicka  <jh@suse.cz>
4717         * passes.c (init_optimization_passes): Do not rerun
4718         pass_early_warn_uninitialized.
4720 2007-01-22  Richard Guenther  <rguenther@suse.de>
4722         PR tree-optimization/30038
4723         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4724         function.
4725         (execute_cse_sincos_1): Likewise.
4726         (execute_cse_sincos): Likewise.
4727         (gate_cse_sincos): Likewise.
4728         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4729         the cexpi() canonicalization of sincos().
4730         * tree-pass.h (pass_cse_sincos): Declare.
4731         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4733 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4735         PR rtl-optimization/29329
4736         * combine.c (replaced_rhs_insn): Rename to i2mod.
4737         (replaced_rhs_value): Rename to i2mod_new_rhs.
4738         (i2mod_old_rhs): New global variable.
4739         (combine_instructions): Adjust for above change.  Save a copy of
4740         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4741         note are substituted in the second instruction.
4742         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
4743         ditch the note if it pertains to the second eliminated register
4744         and this register is mentioned in i2mod_old_rhs.
4746         Revert:
4747         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4749         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4750         the insn to which the note was originally attached.
4752 2007-01-21  Jan Hubicka  <jh@suse.cz>
4754         * ipa-inline.c (inlining_mode): Comment, move up.
4755         (cgraph_decide_inlining_incrementally): Do not perform inlining
4756         itself; fix handling of flattening of self recursive functions.
4757         (cgraph_find_cycles): Remove.
4758         (cgraph_flatten_node): Remove.
4759         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4760         (try_inline): New function.
4761         (cgraph_early_inlining): Update call of
4762         cgraph_decide_inlining_incrementally.  Apply inlining here.
4763         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4765 2007-01-21  Dirk Mueller  <dmueller@suse.de>
4767         PR bootstrap/30511
4768         * tree-vrp.c (check_array_bounds): do not warn
4769         about ADDR_EXPR's of ARRAY_REF's which are immediately
4770         used in binary expressions.
4772 2007-01-21  Ira Rosen  <irar@il.ibm.com>
4774         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4775         read_write_dep and macros for its access.
4776         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4777         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4778         argument, call vect_check_interleaving for every independent pair of
4779         data-refs. Mark loads that access the same memory location as a store
4780         in the loop.
4781         (vect_check_dependences): Remove.
4782         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
4783         call, fix the call to vect_analyze_data_ref_dependence.
4784         (vect_analyze_data_ref_access): For statements that access the same
4785         data-ref, check that they are not stores; for loads, check that there
4786         is no store that access the same location.
4788 2007-01-20  Roger Sayle  <roger@eyesopen.com>
4789             Joseph Myers  <joseph@codesourcery.com>
4791         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4792         (-fdump-rtl-stack): Likewise.
4793         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
4794         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4795         (-mpt-fixed): Use @minus{} for minus sign.
4796         (Using Precompiled Headers): Fix under/overfull hbox.
4798 2007-01-20  Jan Hubicka  <jh@suse.cz>
4800         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4801         place within annotation.
4803 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4805         * pa.c (output_move_double): Change array size of xoperands to 4.
4807 2007-01-20  Jan Hubicka  <jh@suse.cz>
4809         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4810         as temporary.
4812 2007-01-19  Ian Lance Taylor  <iant@google.com>
4814         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4815         constant to unsigned HOST_WIDE_INT before negating.
4817 2007-01-19  Ian Lance Taylor  <iant@google.com>
4819         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4820         to unsigned.
4821         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4822         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4823         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4824         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4825         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4826         (realloc_vdef, realloc_vuse): Change second parameter to
4827         unsigned.
4828         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4829         fields to unsigned.
4830         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4831         unsigned. Change x and lim locals to unsigned.
4832         (realloc_vdef, realloc_vuse): Change num_elem parameter to
4833         unsigned.
4834         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4835         (copy_virtual_operands): Change i and n locals to unsigned.
4837 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4839         PR middle-end/29335
4840         * builtins.c (fold_builtin_1): Handle builtin fdim.
4842 2007-01-20  Jan Hubicka  <jh@suse.cz>
4844         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4845         * tree-ssa-structalias.c (compute_points_to_sets): Do call
4846         init_alias_heapvars.
4847         (init_alias_heapvars): Initialize only when not already initialized.
4848         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4850 2007-01-19  Roger Sayle  <roger@eyesopen.com>
4852         * common.opt (fsigned-zeros): New command line option.
4853         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4854         of flag_unsafe_math_optimizations.
4855         * opts.c (set_fast_math_flags): The -ffast-math command line option
4856         implies -fno-signed-zeros.
4857         (fast_math_flags_set_p): Likewise.
4859         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4860         the documentation of -ffast-math appropriately.  Wrap long lines.
4862 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
4864         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4865         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4867 2007-01-19  Tomas Bily  <tbily@suse.cz>
4869         * cgraphunit.c (cgraph_finalize_function): Updating of pid
4870         * tree-profile.c:
4871         (tree_init_ic_make_global_vars): New function
4872         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4873         (tree_gen_ic_profiler): New function
4874         (tree_gen_ic_func_profiler): New function
4875         (tree_profiling): Added calling of tree_gen_ic_func_profiler
4876         (tree_profile_hooks): Added hook for indirec/virtual calls
4877         * value-prof.c (tree_find_values_to_profile): New case for
4878         indirect calls
4879         (tree_values_to_profile): Call for determining indirect/virtual
4880         counters
4881         (tree_indirect_call_to_profile): New function
4882         (tree_ic_transform): New function
4883         (tree_ic): New function
4884         (find_func_by_pid): New function
4885         (init_pid_map): New function
4886         (tree_value_profile_transformations): Added check for
4887         indirect/virtual call transformation
4888         * value-prof.h (enum hist_type): New counter type for
4889         indirect/virtual calls
4890         (profile_hooks): Added new hook for profiling indirect/virtual
4891         calls
4892         * profile.c (instrument_values): New case for indirect/virtual
4893         call added
4894         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4895         (GCOV_COUNTER_V_INDIR): New counter type
4896         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4897         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4898         call added
4899         * cgraph.c: Definition of cgraph_max_pid
4900         (cgraph_create_node): Default init of pid attribute
4901         * cgraph.h: Declaration of cgraph_max_pid
4902         (struct cgraph_node): Added pid attribute
4903         * libgcov.c (__gcov_indirect_call_profiler): New function
4904         (__gcov_one_value_profiler_body): New function
4905         (__gcov_one_value_profiler): Body was moved to
4906         __gcov_one_value_profiler_body and calls it
4908 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
4910         * doc/gty.texi (Options): Document the mark_hook option to GTY.
4911         * gengtype.c (write_types_data, write_func_for_structure,
4912         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4913         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4914         (walk_type, write_func_for_structure): Generate the mark_hook if
4915         needed.
4917 2007-01-19  Jan Hubicka  <jh@suse.cz>
4919         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4920         'early' argument take inlining mode argument specifying whether to
4921         inline for size/speeed or all functions; add support for flattening;
4922         improve dumpting.
4923         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4925 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4927         PR c++/17947
4928         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4929         the name of the declared identifier.
4931 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4933         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4934         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4935         duplicate evaluation.
4937 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4939         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4940         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4941         to XFMode, use acosxf2 and truncate result to requested mode.
4942         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4943         (asin<mode>2): Similarly, with asin expanders.
4944         (*fscalexf4_i387): Rename from *fscalexf4.
4945         (expNcorexf3): New expander.
4946         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4947         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4948         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4949         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4950         patterns for SSE math.
4951         (exp10<mode>2): Similarly, with exp10 expanders.
4952         (exp2<mode>2): Similarly, with exp2 expanders.
4953         (expm1<mode>2): Similarly, with expm1 expanders.
4954         (ldexp<mode>3): Similarly, with ldexp expanders.
4955         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4956         Use gen_truncxf<mode>2_i387_noop to truncate result.
4958 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4960         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4961         for ColdFire targets.
4963 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4964             Richard Sandiford  <richard@codesourcery.com>
4966         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4967         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4968         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4969         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4970         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4971         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4973 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4975         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4976         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4977         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4978         (*adddi_dilshr32_cf): New pattern.
4979         (adddi3, subdi3): Remove first alternatives.
4981 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4983         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4984         implemented using move.l, do not use its cc result for floating-point
4985         comparisons.
4987 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4989         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4990         from accepting 's' constraints if flag_pic.
4992 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4994         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4995         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4996         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4997         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4999 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
5001         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
5002         ColdFire alternatives.
5003         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
5004         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
5005         architectures that support ff1 instruction.
5007 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5008             Julian Brown  <julian@codesourcery.com>
5010         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
5011         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
5012         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
5013         Add commentary.
5015 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
5017         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
5018         and return a bool.
5019         (output_move_const_into_data_reg, output_move_simode_const): Delete.
5020         * config/m68k/m68k.c (const_method, const_int_cost): Take a
5021         HOST_WIDE_INT instead of an rtx.
5022         (m68k_rtx_costs): Update call accordingly.
5023         (output_move_const_into_data_reg): Likewise.  Fix formatting.
5024         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
5025         Return a bool.
5026         (output_move_simode_const): Update calls after above changes.
5027         Rework to use automatic variables and predicates like MEM_P.
5028         * config/m68k/m68k.md (pushexthisi_const): Update call to
5029         valid_mov3q_const.
5031 2007-01-19  Dirk Mueller  <dmueller@suse.de>
5033         * tree-ssa-alias.c (perform_var_substitution): Fix typo
5034         in dump_flags test.
5036 2007-01-19  Richard Guenther  <rguenther@suse.de>
5038         * builtins.c (expand_builtin_cexpi): Fall back to expanding
5039         via cexp in case sincos is not available.
5041 2007-01-19  Richard Guenther  <rguenther@suse.de>
5043         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
5044         * defaults.h (TARGET_HAS_SINCOS): Default to off.
5045         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
5046         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
5047         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
5048         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
5049         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
5050         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
5052 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
5054         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
5055         New insn patterns.
5056         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
5057         (atan2xf3): Directly generate RTL pattern.
5058         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
5059         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
5060         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
5061         disable patterns for SSE math.
5062         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
5063         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
5064         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
5065         disable patterns for SSE math.
5067 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
5069         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
5071 2007-01-18  Roger Sayle  <roger@eyesopen.com>
5073         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
5074         VIEW_CONVERT_EXPR to the same type as it's operand.
5076 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
5078         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
5079         configured for long double 128.
5081 2007-01-18  Mike Stump  <mrs@apple.com>
5083         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
5084         error.
5086 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
5088         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
5089         type correct.
5091 2007-01-18  Jan Hubicka  <jh@suse.cz>
5093         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
5094         greater than NUM_VOP_FREE_BUCKETS.
5096 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
5098         * tree-ssa-structalias.c: Update comments.
5099         (ptabitmap_obstack): Removed.
5100         (pta_obstack): New.
5101         (oldpta_obstack): Ditto.
5102         (stats): Add a few members.
5103         (struct variable_info): Remove node, complex, address_taken, and
5104         indirect_target members. Add oldsolution member.
5105         (new_var_info): Do not initialize removed members.
5106         (constraint_expr_type): Remove INCLUDES.
5107         (constraint_graph): Add size, implicit_preds, rep,
5108         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
5109         (FIRST_REF_NODE): New macro.
5110         (LAST_REF_NODE): Ditto.
5111         (FIRST_ADDR_NODE): Ditto.
5112         (find): New function.
5113         (unite): Ditto.
5114         (dump_constraint): Do not handle INCLUDES.
5115         (insert_into_complex): Do not insert duplicate constraints.
5116         (condense_varmap_nodes): Renamed and rewritten into ...
5117         (merge_node_constraints): This. Also fix bug in handling of
5118         offseted copy constraints.
5119         (clear_edges_for_node): No longer need to deal with preds at all,
5120         or removing associated preds/succs.
5121         (merge_graph_nodes): Deal with indirect_cycles.
5122         Don't deal with predecessors.
5123         (add_implicit_graph_edge): New function.
5124         (add_pred_graph_edge): Ditto.
5125         (add_graph_edge): Don't deal with predecessors.
5126         (build_constraint_graph): Removed.
5127         (build_pred_graph): New function.
5128         (build_succ_graph): Ditto.
5129         (struct scc_info): Removed in_component. Added roots, dfs, and
5130         node_mapping. Remove visited_index, unification_queue.
5131         (scc_visit): Deal with union-find we do now.
5132         Deal with cycles with REF nodes.
5133         (collapse_nodes): Renamed and rewritten to ...
5134         (unify_nodes): This.
5135         (process_unification_queue): Removed.
5136         (topo_visit): Cleanup
5137         (do_da_constraint): Use find.
5138         (do_sd_constraint): Ditto.
5139         (do_ds_constraint): Ditto.
5140         (do_complex_constraint): Ditto.
5141         (init_scc_info): Update for removed and added members.
5142         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
5143         (find_indirect_cycles): This.
5144         (equivalence_class): New variable.
5145         (label_visit): New function.
5146         (perform_variable_substitution): Rewritten.
5147         (free_var_substitution_info): New function.
5148         (find_equivalent_node): Ditto.
5149         (move_complex_constraints): Ditto.
5150         (eliminate_indirect_cycles): Ditto.
5151         (solve_graph): Only propagate changed bits.
5152         Use indirect cycle elimination.
5153         Use find.
5154         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
5155         (tree_id_eq): Renamed to ...
5156         (tree_vi_eq): This. Update for member change
5157         (insert_id_for_tree): Renamed and rewritten to ...
5158         (insert_vi_for_tree): This.
5159         (lookup_id_for_tree): Renamed and rewritten to ...
5160         (lookup_vi_for_tree): This.
5161         (get_id_for_tree): Renamed and rewritten to ...
5162         (get_vi_for_tree): Ditto.
5163         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
5164         (process_constraint): Don't handle INCLUDES.
5165         Remove special ADDRESSOF case.
5166         (find_func_aliases): Rewrite to use vi functions instead of id
5167         ones.
5168         (create_function_info_for): Ditto.
5169         (create_variable_info_for): Ditto.
5170         (intra_create_variable_infos): Ditto.
5171         (merge_smts_into): Ditto.
5172         (find_what_p_points_to): Ditto.
5173         (init_base_vars): Ditto.
5174         (init_alias_vars): Ditto.
5175         (remove_preds_and_fake_succs): New function.
5176         (dump_sa_points_to_info): Dump new stats.
5177         (dump_solution_for_var): Use find.
5178         (set_used_smts): Fix formatting.
5179         (compute_points_to_sets): Updated for new functions.
5180         (ipa_pta_execute): Ditto.
5182 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
5183             Richard Sandiford  <richard@codesourcery.com>
5185         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
5186         parallels.
5187         * calls.c (expand_call): If the return value is a PARALLEL,
5188         extract its first member.
5189         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
5190         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
5191         use FUNCTION_EXTRA_EPILOGUE.
5192         (m68k_function_value): Return a PARALLEL if the return value
5193         is of a pointer type.
5194         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
5195         (FUNCTION_EXTRA_EPILOGUE): Remove.
5196         * config/m68k/m68k.md (D0_REG): New constant.
5198 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
5200         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
5201         output a NOP for empty epilogues.
5203 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5205         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
5206         before function.  Extend register save check to include all
5207         registers, not just integer ones.
5209 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
5211         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
5212         (m68k_use_return_insn): ...this.
5213         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
5214         * config/m68k/m68k.c (use_return_insn): Rename to...
5215         (m68k_use_return_insn): ...this.
5216         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
5217         of USE_RETURN_INSN.
5219 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
5221         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
5222         nearest even, fix denormal rounding overflow.
5224 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5226         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
5227         f%$smove and f%$move.
5228         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
5229         (extendsfdf2_cf): Use fdmove instead of f%&move.
5230         (truncdfsf2_cf): Use fsmove instead of f%$smove.
5231         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
5233 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5235         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
5236         GPR<-GPR moves.
5238 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5240         * real.h (real_format): Add a canonical_nan_lsbs_set field.
5241         (coldfire_single_format): Declare.
5242         (coldfire_double_format): Likewise.
5243         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
5244         of qnan_msb_set to determine the lower bits of a canonical
5245         NaN significand.
5246         (encode_ieee_double): Likewise.
5247         (encode_ieee_quad): Likewise.
5248         (ieee_single_format): Initialize canonical_nan_lsbs_set.
5249         (mips_single_format): Likewise.
5250         (ieee_double_format): Likewise.
5251         (mips_double_format): Likewise.
5252         (ieee_extended_motorola_format): Likewise.
5253         (ieee_extended_intel_96_format): Likewise.
5254         (ieee_extended_intel_128_format): Likewise.
5255         (ieee_extended_intel_96_round_53_format): Likewise.
5256         (ibm_extended_format): Likewise.
5257         (mips_extended_format): Likewise.
5258         (ieee_quad_format): Likewise.
5259         (mips_quad_format): Likewise.
5260         (vax_f_format): Likewise.
5261         (vax_d_format): Likewise.
5262         (vax_g_format): Likewise.
5263         (i370_single_format): Likewise.
5264         (i370_double_format): Likewise.
5265         (decimal_single_format): Likewise.
5266         (decimal_double_format): Likewise.
5267         (decimal_quad_format): Likewise.
5268         (c4x_single_format): Likewise.
5269         (c4x_extended_format): Likewise.
5270         (real_internal_format): Likewise.
5271         (coldfire_single_format): New real_format.
5272         (coldfire_double_format): Likewise.
5273         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
5274         canonical_nan_lsbs_set.
5275         (pdp11_d_format): Likewise.
5276         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
5277         if TARGET_COLDFIRE_CPU.
5279 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5281         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
5282         (output_call, m68k_legitimize_call_address): Declare.
5283         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
5284         parenthesees.  Add support for a 'W' constraint.
5285         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
5286         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
5287         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
5288         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
5289         variables.
5290         (override_options): Initialize them.  Do not set flag_no_function_cse
5291         for TARGET_ID_SHARED_LIBRARY.
5292         (m68k_output_pic_call): Delete.
5293         (m68k_legitimize_call_address): New function.
5294         (print_operand): Remove the %o prefix.  Handle the %p prefix.
5295         (output_call): New function.
5296         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
5297         target address from the GOT if symbolic jumps are not allowed.
5298         * config/m68k/m68k.md (call, general_operand): Do not set
5299         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
5300         Merge separate flag_pic and !flag_pic define_insns into...
5301         (*call, *call_value): ...these new patterns.  Match the address
5302         rather than the containing MEM and require it to be a call_operand.
5303         Use output_call to generate the asm template.
5304         * config/m68k/predicates.md (const_call_operand): New predicate.
5305         (call_operand): Likewise.
5307 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
5309         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
5310         (STACK_GROWS_DOWNWARD): Define to 1.
5311         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
5312         comments, emphasizing that these values are only defaults.
5313         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
5314         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
5316 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5318         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
5320 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
5321             Richard Sandiford  <richard@codesourcery.com>
5323         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
5324         (FP_REGNO_P): New macros.
5325         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
5326         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
5327         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
5328         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
5330 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
5332         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5333         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
5334         to $tmake_file.
5335         * config/m68k/t-floatlib: New file, extracting common code from...
5336         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
5337         * config/m68k/t-uclinux: Here.
5338         * config/m68k/fpgnulib.c: Do not compile extendeed precision
5339         routines on ColdFire targets.
5341 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
5343         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5344         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
5345         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
5346         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
5347         explicitly set MOTOROLA to 1.
5348         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
5350 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5351             Nathan Sidwell  <nathan@codesourcery.com>
5353         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
5354         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
5355         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
5356         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
5357         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
5358         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
5359         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
5360         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
5361         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
5362         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
5363         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
5364         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
5365         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
5366         (DBX_REGISTER_NUMBER): Delete.
5367         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
5368         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
5369         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
5371 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5373         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
5374         * config/flat.h: New file.
5375         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
5376         OBJECT_FORMAT_FLAT.
5377         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
5378         indirect references for -msep-data or -mid-shared-library.
5379         Do not use PC-relative code addresses either.
5380         * config/m68k/m68k.c (override_options): Restrict -fPIC error
5381         to -mpcrel.
5382         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
5383         for shared libraries and crt1.o for executables.  Use crti.o and
5384         crtbegin.o.
5385         (ENDFILE_SPEC): Use crtend.o and crtn.o.
5386         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
5387         Do not add -elf2flt or -shared-lib-id options here.
5388         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
5389         Pass -shared-lib-id if -mid-shared-library, taking the library
5390         identifier from -mshared-library-id if given, otherwise
5391         defaulting to 0.
5392         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
5393         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
5394         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
5395         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
5396         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
5397         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
5398         and crtend.o.
5399         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
5400         jump sequence for ISA A and ISA A+.
5401         (PICJUMP): Likewise.
5403 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5405         * config.gcc (m68k-*-uclinux*): Base the port on the common
5406         and m68k GNU/Linux files rather than on the generic ELF ones.
5407         * config/m68k/uclinux.h (TARGET_VERSION): Override.
5408         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
5410 2007-01-18  Julian Brown  <julian@codesourcery.com>
5411             Richard Sandiford  <richard@codesourcery.com>
5413         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
5414         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
5415         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
5416         before redefining.
5417         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
5418         80 unconditionally.
5419         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
5421 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
5423         * doc/install.texi: Document m68k-uclinuxoldabi.
5424         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
5425         * config/m68k/uclinux-oldabi.h: New file, copied from
5426         config/m68k/uclinux.h.
5428 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
5430         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
5431         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
5432         (m32r_compute_frame_size): Use unsigned for regno.
5433         (m32r_reload_lr): Use gen_frame_mem.
5434         (pop): New.
5435         (m32r_output_function_epilogue): Don't output the function epilogue
5436         textually here.
5437         (m32r_expand_epilogue): New.
5438         (direct_return): Return false if the function has the interrupt
5439         attribute.
5440         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
5441         * config/m32r/m32r.md (epilogue): New expander.
5442         (return_lr, return_rte): New insns.
5443         (return): Make it expander.
5444         (return_normal): New expander.
5446 2007-01-18  Josh Conner  <jconner@apple.com>
5448         PR target/30485
5449         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
5450         support for UNLE, UNLT, UNGE, and UNGT.
5452 2007-01-18  Jan Hubicka  <jh@suse.cz>
5454         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
5455         * tree-tailcall (add_virtual_phis): Likewise.
5456         (optimize_tail_call): Return TODOs.
5457         (execute_tail_calls): Return TODOs.
5458         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
5459         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
5460         changed.
5461         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
5462         Cleanup cfg using TODO.
5463         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
5464         * passes.c (execute_function_todo): When cleanup did something, remove
5465         unused locals.
5466         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
5467         (make_edges): Don't cleanup_cfg.
5469 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
5471         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
5472         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
5473         operate on the top of stack.
5474         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
5475         register handling of instructions that output to the second
5476         stack slot.
5477         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
5478         (move_for_stack_reg): Special-case check for dead destination
5479         stack slot for constant load of 1.0 inside UNSPEC_TAN.
5481         * config/i386/i386.md (UNSPEC_TAN): New constant.
5482         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
5483         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
5484         to correctly model move of constant 1.0 to top stack slot.
5485         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
5486         (unnamed peephole2 pattern): Remove corresponding peephole2
5487         pattern that optimizes tan insn and loading of constant 1.0.
5488         (tanxf2): Use fptanxf4_i387.
5489         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
5490         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
5491         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
5492         disable patterns for SSE math.
5493         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
5494         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
5496 2007-01-18  Dirk Mueller  <dmueller@suse.de>
5497             Richard Guenther <rguenther@suse.de>
5499         PR diagnostic/8268
5500         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
5501         * common.opt (Warray-bounds): Add new warning option.
5502         * c-opts.c (c_common_handle_option): Define -Warray-bounds
5503         if -Wall is given.
5504         * Makefile.in: make tree-vrp.o depend on toplev.h
5505         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
5506         is enabled.
5507         (check_array_refs, check_array_bounds, check_array_ref): New.
5509 2007-01-18  Jan Hubicka  <jh@suse.cz>
5511         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
5512         (execute_ssa_ccp): Return flags conditionally.
5513         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
5514         changed.
5515         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
5517 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
5519         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
5520         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
5522         * Makefile.c (GTFILES): Add cfglayout.h.
5523         * gengtype.c (open_base_files): Likewise.
5524         * cfglayout.c (cfg_layout_function_footer,
5525         cfg_layout_function_header) Reindent to make gengtype happy.
5526         * cfglayout.h (cfg_layout_function_footer,
5527         cfg_layout_function_header): Add GTY(()) marker.
5529         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
5531 2007-01-18  Ben Elliston  <bje@au.ibm.com>
5533         * genautomata.c (write_automata): Include xstrerror output in the
5534         error message if writing the DFA description file fails.
5536 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
5538         * config/mips/mips-protos.h (mips_output_external): Make it
5539         return void.
5540         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
5541         * config/mips/mips.c (irix_output_external_libcall): Likewise.
5542         (extern_list): Likewise.
5543         (extern_head): Likewise.
5544         (TARGET_ASM_FILE_END): Likewise.
5545         (mips_file_end): Likewise.
5546         (mips_output_external): Rewritten.
5548 2007-01-18  Ben Elliston  <bje@au.ibm.com>
5550         * genpreds.c (write_insn_preds_c): Only write out the function
5551         body for regclass_for_constraint if we have register constraints.
5553 2007-01-17  Tom Tromey  <tromey@redhat.com>
5555         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
5556         * doc/install.texi (Testing): Use sourceware.org.
5557         (Binaries): Likewise.
5558         (Specific): Likewise.
5559         * doc/contrib.texi (Contributors): Use sourceware.org.
5561 2007-01-17  Anatoly Sokolov <aesok@post.ru>
5563         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
5564         (AVR_ENHANCED): Rename to ...
5565         (AVR_HAVE_MUL): ... new.
5566         (avr_enhanced_p): Rename to ...
5567         (avr_have_mul_p): ... new.
5568         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
5569         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
5570         * config/avr/avr.c (avr_enhanced_p): Rename to ...
5571         (avr_have_mul_p): ... new.
5572         (base_arch_s): Rename 'enhanced' to 'have_mul'.
5573         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
5574         'avr_enhanced_p' and 'enhanced'.
5575         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
5576         AVR_HAVE_MUL instead of AVR_ENHANCED.
5577         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
5578         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
5579         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
5580         instead of AVR_ENHANCED.
5581         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
5582         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
5583         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
5585 2007-01-17  Ian Lance Taylor  <iant@google.com>
5587         * vec.h (VEC_reserve_exact): Define.
5588         (vec_gc_p_reserve_exact): Declare.
5589         (vec_gc_o_reserve_exact): Declare.
5590         (vec_heap_p_reserve_exact): Declare.
5591         (vec_heap_o_reserve_exact): Declare.
5592         (VEC_OP (T,A,reserve_exact)): New static inline function, three
5593         versions.
5594         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
5595         negative parameter.
5596         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
5597         (VEC_OP (T,A,copy)) [all versions]: Likewise.
5598         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
5599         * vec.c (calculate_allocation): Add exact parameter.  Change all
5600         callers.
5601         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
5602         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
5603         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
5604         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
5605         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
5606         (vec_heap_p_reserve_exact): New function.
5607         (vec_heap_o_reserve_exact): New function.
5609 2007-01-17  Jan Hubicka  <jh@suse.cz>
5611         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
5613 2007-01-17  Eric Christopher  <echristo@apple.com>
5615         * config.gcc: Support core2 processor.
5617 2007-01-16  Jan Hubicka  <jh@suse.cz>
5619         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
5620         the names, just unlink the chain so we don't crash on dangling pointers
5621         to dead SSA names.
5623 2007-01-16  Jan Hubicka  <jh@suse.cz>
5625         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
5626         * tree-pass.h: Reorder to make IPA passes appear toegher.
5627         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
5628         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
5629         parameters, do not call early inliner.
5630         * ipa-inline.c: Update comments.  Include tree-flow.h
5631         (cgraph_decide_inlining): Do not compute inlining parameters.
5632         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
5633         be called with function context set up.
5634         (pass_ipa_inline): Remove unreachable functions before pass.
5635         (cgraph_early_inlining): Simplify assuming to be called from the
5636         PM as local pass.
5637         (pass_early_inline): New pass.
5638         (cgraph_gate_ipa_early_inlining): New gate.
5639         (pass_ipa_early_inline): Turn into simple wrapper.
5640         (compute_inline_parameters): New function.
5641         (gate_inline_passes): New gate.
5642         (pass_inline_parameters): New pass.
5643         (apply_inline): Move here from tree-optimize.c
5644         (pass_apply_inline): New pass.
5645         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
5646         transforming.
5647         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
5648         doing them by hand.
5649         (tree_function_versioning): Do not allocate dummy struct function.
5650         * tree-inline.h (optimize_inline_calls): Update prototype.
5651         * tree-optimize.c (execute_fixup_cfg): Export.
5652         (pass_fixup_cfg): Remove
5653         (tree_rest_of_compilation): Do not apply inlines.
5654         * tree-flow.h (execute_fixup_cfg): Declare.
5655         * Makefile.in (gt-passes.c): New.
5656         * passes.c: Include gt-passes.h
5657         (init_optimization_passes): New passes.
5658         (nnodes, order): New static vars.
5659         (do_per_function_toporder): New function.
5660         (execute_one_pass): Dump current pass here.
5661         (execute_ipa_pass_list): Don't dump current pass here.
5663 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
5665         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
5666         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
5668 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
5670         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
5671         (strong_alias): Define.
5672         (__gcc_qmul): Provide non-FMA for soft-float.
5673         (__gcc_qdiv): Same.
5674         (__gcc_qneg): New.
5675         (__gcc_qeq): New.
5676         (__gcc_qle): New.
5677         (__gcc_qge): New.
5678         (__gcc_qunord): New.
5679         (__gcc_stoq): New.
5680         (__gcc_dtoq): New.
5681         (__gcc_qtos): New.
5682         (__gcc_qtod): New.
5683         (__gcc_qtoi): New.
5684         (__gcc_qtou): New.
5685         (__gcc_itoq): New.
5686         (__gcc_utoq): New.
5687         (fmsub): New.
5688         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
5689         soft-float functions.
5690         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
5691         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
5692         about long double soft float.
5694 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
5695             Tehila Meyzels  <tehila@il.ibm.com>
5697         * tree-vectorizer.h (is_pattern_stmt_p): New.
5698         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
5699         formatting (tabs instead of spaces). Cleanup and clarify setting
5700         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
5701         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
5702         (vectorizable_type_demotion): Check that types are integral.
5703         (vectorizable_type_promotion): Likewise.
5704         (vectorizable_store): Fix typo.  Eliminate new-line at end of
5705         comments.
5707 2007-01-16  Jan Hubicka  <jh@suse.cz>
5709         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
5710         cgraph edges too.
5712 2007-01-15  Eric Christopher  <echristo@apple.com>
5714         * ifcvt.c: Include vec.h, vecprim.h.
5715         (check_cond_move_block): New argument regs.
5716         Reorganize. Add registers used to regs.
5717         (cond_move_process_if_block): Use regs set above as
5718         loop bounds.
5720 2007-01-15  Eric Christopher  <echristo@apple.com>
5722         * config/darwin.h: Update copyright.
5723         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5724         (LINK_COMMAND_SPEC): Add -u.
5725         (LINK_SPEC): Fix umbrella for above.
5727 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
5729         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5730         glibc CVS.
5732 2007-01-15  Tom Tromey  <tromey@redhat.com>
5734         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5735         * doc/install.texi (Testing): Don't mention jacks.
5736         (Configuration): Document --enable-java-maintainer-mode.  Move
5737         --with-java-home to libgcj-specific section.  Document
5738         --with-ecj-jar.
5739         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5741 2007-01-15  Jan Hubicka  <jh@suse.cz>
5743         * tree-ssa-dce.c (DCE_TODOs): New.
5744         (propagate_necessity): Return if something changed.
5745         (eliminate_unnecessary_stmts): Likewise.
5746         (perform_tree_ssa_dce): Return TODO flags when needed.
5747         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5749 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
5751         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
5752         (fyl2x_extend<mode>xf3_i387): New insn pattern.
5753         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
5754         patterns using X87MODEF12 mode macro.  Extend operand 1
5755         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5756         (log10<mode>2): Ditto.
5757         (log2<mode>2): Ditto.
5758         (log1p<mode>2): Ditto.
5759         (logb<mode>2): Ditto.
5760         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
5761         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
5762         (*fxtractxf3_i387): Rename from *fxtractxf3.
5763         (fxtract_extend<mode>xf3_i387): New insn pattern.
5764         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
5765         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
5766         and gen_fyl2xxf3_i387().
5768 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
5770         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
5771         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
5772         get_loop_exit_edges.  Changed return type to bool.
5773         * cfgloop.h (fix_loop_placement): Declaration removed.
5775 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
5777         * param.h (MIN_VECT_LOOP_BOUND): New.
5778         * params.def (MIN_VECT_LOOP_BOUND): New.
5779         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
5780         argument - minimum threshold for number of iterations.
5781         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
5782         argument to declaration.
5783         * tree-vect-analyze.c (vect_analyze_operations): Check value of
5784         MIN_VECT_LOOP_BOUND.
5785         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
5786         slpeel_tree_peel_loop_to_edge with additional argument.
5787         (vect_do_peeling_for_alignment): Likewise.
5788         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
5790 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
5792         PR target/30413
5793         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
5794         operands of size 1.
5796 2007-01-14  Jan Hubicka  <jh@suse.cz>
5798         * tree-dfa.c (remove_referenced_var): New function.
5799         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
5800         prune referenced vars list too.
5801         * tree-flow.h (remove_referenced_var): Declare.
5803 2007-01-14  Jan Hubicka  <jh@suse.cz>
5805         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
5806         separately.
5807         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
5808         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
5809         * except.h (verify_eh_throw_table_statements): Kill prototype.
5810         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
5811         into call exrepssions.
5812         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
5813         eh trhow verifier.
5814         * tree-cfg.c: Include pointer-set.h.
5815         (verify_node_sharing): Work on pointer set.
5816         (verify_eh_throw_stmt_node): New.
5817         (verify_stmts): Use pointers sets, verify throw_stmt.
5819 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
5821         * ipa-reference.c (analyze_function): Consider also addresses taken
5822         in phi nodes.
5824 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5826         * c-typeck.c (null_pointer_constant_p): Replace use of
5827         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5828         (build_c_cast): Likewise.
5830 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5832         * tree.h (force_fit_type_double): Remove unused final argument.
5833         * c-common.c (constant_expression_warning): Replace use of
5834         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5835         (convert_and_check): Likewise.
5836         (shorten_compare): Update call to force_fit_type_double.
5837         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5838         * convert.c (convert_to_pointer): Update call to
5839         force_fit_type_double.
5840         * fold-const.c (force_fit_type_double): Remove overflowed_const
5841         argument.
5842         (int_const_binop, fold_convert_const_int_from_int,
5843         fold_convert_const_int_from_real, fold_div_compare,
5844         fold_sign_changed_comparison, fold_unary, fold_negate_const,
5845         fold_abs_const, fold_not_const): Remove the final argument from
5846         calls to force_fit_type_double.
5848 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5850         * configure.ac: Set insn to "nop" for spu-*-* also.
5851         * configure: Regenerate.
5853 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
5855         * builtins.def : Add BUILT_IN_FREE.
5857 2007-01-12  Jan Hubicka  <jh@suse.cz>
5859         PR tree-optimization/30443
5860         * tree-inline.c (tree_function_versioning): Do not optimize when
5861         cloning for inlining.
5863 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
5865         * doc/loop.texi: Document recording of loop exits.
5866         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5867         (update_single_exits_after_duplication,
5868         update_single_exit_for_duplicated_loop,
5869         update_single_exit_for_duplicated_loops): Removed.
5870         (duplicate_loop_to_header_edge): Do not call
5871         update_single_exits_after_duplication and
5872         update_single_exit_for_duplicated_loops.
5873         (loop_version): Do not update single_exit information.
5874         (fix_loop_structure): Use record_loop_exits instead of
5875         mark_single_exit_loops.
5876         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5877         the lists of loop exits.
5878         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5879         split_edge, merge_blocks): Update the lists of loop exits.
5880         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5881         loop_optimizer_init.
5882         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5883         of mark_single_exit_loops.
5884         (loop_optimizer_finalize): Call release_recorded_exits.
5885         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5886         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5887         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5888         update single exit information.
5889         * lambda-code.c (perfect_nestify): Ditto.
5890         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5891         (mark_single_exit_loops): Removed.
5892         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5893         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5894         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5895         functions.
5896         (get_loop_exit_edges, single_exit): Use recorded exit lists.
5897         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5898         (verify_loop_structure): Verify consistency of the exit lists.
5899         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
5900         (set_single_exit): Removed.
5901         * cfgloop.h (struct loop_exit): New function.
5902         (struct loop): single_exit_ field replaced by exits field.
5903         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5904         (struct loops): Added exits hash.
5905         (mark_single_exit_loops, set_single_exit): Declaration removed.
5906         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5908 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5910         * doc/invoke.texi: Avoid use of @headitem.
5912 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5914         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5916 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5918         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5919         list of targets.
5921 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5922             Richard Sandiford  <richard@codesourcery.com>
5924         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5925         * config/m68k/m68k.opt: Resort options.
5926         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5928 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5929             Richard Sandiford  <richard@codesourcery.com>
5931         * doc/invoke.texi: Document the macros that are defined by
5932         m68k's -mtune and -mhard-float options.
5933         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5934         (m68k_cpp_cpu_family): Likewise.
5935         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5936         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
5937         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
5938         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5939         (m68k_cpp_cpu_family): Likewise.
5941 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5943         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5944         macros besides mc68000 as tuning macros.  Use a switch statement
5945         to set them and mcpu32.
5947 2007-01-12  Julian Brown  <julian@codesourcery.com>
5949         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5950         (TARGET_68040_ONLY): Rename to...
5951         (TARGET_68040): ...this.
5952         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5953         * config/m68k/m68k.md: Likewise.
5955 2007-01-12  Julian Brown  <julian@codesourcery.com>
5956             Nathan Sidwell  <nathan@codesourcery.com>
5957             Richard Sandiford  <richard@codesourcery.com>
5959         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5960         the -mcpu= argument associated with the --with-cpu setting.
5961         Define M68K_DEFAULT_TUNE to the default -mtune= option,
5962         if different from the one implied by the -mcpu setting.
5963         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5964         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
5965         * doc/invoke.texi: Mention ColdFire in the introduction to the
5966         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
5967         -mno-div and -mhard-float options.  Make -m68881 a synonym for
5968         -mhard-float.  Document the previously-undocumented -m5206e,
5969         -m528x, -m5307 and -m5407 options.  Tweak the existing option
5970         documentation for consistency.
5971         * doc/install.texi: Mention new --with-cpu arguments.
5972         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5973         default CPU if neither -mcpu nor -march are specified.
5974         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5975         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5976         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
5977         using m68k_tune to decide between families that implement the
5978         same ISA.  Use m68k_tune to set __mcfv4e__.
5979         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5980         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5981         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5982         (FL_ISA_C, FL_ISA_MMU): New macros.
5983         (MASK_COLDFIRE): Delete.
5984         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5985         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5986         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5987         (TARGET_HARD_FLOAT): Do not define here.
5988         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5989         (TUNE_68000): New macro.
5990         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5991         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5992         (TUNE_CFV2): Redefine in terms of m68k_tune.
5993         (uarch_type, target_device, fpu_type): New enums.
5994         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5995         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5996         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5997         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5998         (FL_FOR_isa_c): New macros.
5999         (m68k_isa): New enum.
6000         (m68k_target_selection): New structure.
6001         (all_devices, all_isas, all_microarchs): New tables.
6002         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
6003         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
6004         (MASK_ALL_CPU_BITS): Delete.
6005         (m68k_find_selection): New function.
6006         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
6007         Map the legacy target options to a combination of the new ones.
6008         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
6009         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
6010         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
6011         settings.
6012         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
6013         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
6014         properties.
6015         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
6016         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
6017         * config/m68k/m68k-devices.def: New file.
6019 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6020             Nathan Sidwell  <nathan@codesourcery.com>
6022         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
6023         (SUBTARGET_EXTRA_SPECS): New macros.
6024         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
6025         use %(asm_cpu_spec) instead.
6026         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
6027         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
6028         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
6029         (EXTRA_SPECS): Rename to...
6030         (SUBTARGET_EXTRA_SPECS): ...this.
6032 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
6033             Richard Sandiford  <richard@codesourcery.com>
6034             Julian Brown  <julian@codesourcery.com>
6036         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
6037         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
6038         to the configuration's default CPU.
6039         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
6040         Remove default masks.
6041         (m680[012]0-*-*): Set the default with_cpu to the first part of
6042         the target name.
6043         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
6044         (m68k*-*-linux): Extend the --with-cpu handling to...
6045         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
6046         and m68010.  Don't set target_cpu_default2.
6047         * doc/install.texi: Document --with-cpu for m68k.
6048         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
6049         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
6050         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
6051         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
6052         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
6053         (ASM_SPEC): Remove use of %(asm_cpu_default).
6054         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
6055         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
6056         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
6057         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
6058         __HAVE_FPU__ if TARGET_HARD_FLOAT.
6059         (TARGET_DEFAULT): Delete.
6060         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
6061         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
6062         (CPP_CPU_SPEC): Delete.
6063         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
6064         the appropriate string.
6065         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
6066         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
6067         (ASM_SPEC): Don't use %(asm_default_spec).
6068         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
6069         TARGET_DEFAULT and add MASK_68881.
6070         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
6072 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6074         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
6075         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
6076         MASK_68010 alongside MASK_68020.
6077         * doc/invoke.texi: Document -m68010.
6078         * config/m68k/m68k.opt (m68010): New.
6079         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
6080         if TUNE_68010.
6081         (TUNE_68010): New macro.
6082         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
6083         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
6084         (M68K_CPU_m68332): Add MASK_68010.
6085         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
6086         fallback definition.
6087         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
6088         defines.
6089         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
6090         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
6091         to all entries that use MASK_68020.
6092         (output_move_simode_const, output_move_himode, output_move_qimode)
6093         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
6094         instead of TARGET_68020 to select clr behavior.  Remove comment
6095         about there being no TARGET_68010.
6096         * config/m68k/m68k.md: Likewise throughout.
6098 2007-01-12  Julian Brown  <julian@codesourcery.com>
6100         * config/m68k/m68k.h (TARGET_ISAB): New macro.
6101         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
6102         * config/m68k/m68k.md: Likewise.
6104 2007-01-12  Julian Brown  <julian@codesourcery.com>
6106         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
6107         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
6109 2007-01-12  Julian Brown  <julian@codesourcery.com>
6111         * config/m68k/m68k.h (TUNE_68040_60): New macro.
6112         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
6113         * config/m68k/m68k.md: Likewise.
6115 2007-01-12  Julian Brown  <julian@codesourcery.com>
6116             Richard Sandiford  <richard@codesourcery.com>
6118         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
6119         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
6120         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
6121         TARGET_CPU32.
6122         (TARGET_CPU32): Rename to...
6123         (TUNE_CPU32): ...this.
6124         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
6125         (TUNE_CFV2): New macros.
6126         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
6127         remove conditions that are implied by TARGET_68020.
6128         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
6129         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
6130         (m68k_output_function_epilogue): Likewise.
6131         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
6132         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
6133         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
6134         non-68000 timings.  Refactor multiplication and division costs.
6135         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
6136         TUNE_CPU32 instead of TARGET_CPU32.
6137         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
6138         and TUNE_68060 instead of TARGET_68060.
6139         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
6140         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
6141         TARGET_CPU32.
6142         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
6143         && !TARGET_COLDFIRE" to choose between moveq and clr.
6144         Likewise in the unnamed movsf pattern.
6145         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
6146         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
6147         ashiftrt pattern.
6149 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
6151         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
6152         of tabbing before backslashes.
6154 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6156         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
6157         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
6158         (ASM_OUTPUT_INTERNAL_LABEL): Define.
6160 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
6162         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
6163         find_interesting_uses_cond.
6164         (find_interesting_uses_cond): Use extract_cond_operands.
6165         (rewrite_use_compare): Use extract_cond_operands and
6166         force_gimple_operand_bsi.  Do not call update_stmt.
6167         (determine_use_iv_cost_condition): Use extract_cond_operands.
6168         Return cheaper of using original bound and changing the exit bound.
6170 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
6172         PR tree-optimization/29516
6173         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
6174         most_expensive_mult_to_index, addr_to_parts,
6175         create_mem_ref, maybe_fold_tmr): Make the type of
6176         fields of TARGET_MEM_REF sizetype.
6177         (move_fixed_address_to_symbol, move_pointer_to_base):
6178         New functions.
6179         * tree.def (TARGET_MEM_REF): Add comment on types of
6180         the operands.
6182 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
6184         * c-common.c (vector_types_convertible_p): Treat opaque types as
6185         always convertible if they have the same size, but not otherwise.
6187 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
6189         * ifcvt.c (struct noce_if_info): Add comments to the fields.
6190         Remove the b_unconditional field.
6191         (noce_try_sign_mask): Do not look at b_unconditional.
6192         (noce_process_if_block): Do not use merge_if_blocks.  Update
6193         the CFG here.  Do not set b_unconditional.
6194         (cond_move_process_if_block): Likewise.
6195         (find_cond_trap): Likewise.
6196         (check_cond_move_block): Require simple jump insns at the end
6197         of the basic block.
6199 2007-01-11  Jan Hubicka  <jh@suse.cz>
6201         PR tree-optimization/1046
6202         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
6203         when alias info is not ready.
6204         (pass_tail_recursion): Do not require aliasing.
6205         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
6206         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
6207         * tree-ssa-copy.c (pass_copy_prop): Likewise.
6208         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
6209         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
6210         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
6211         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
6212         before inlining.
6213         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
6214         When aliasing is not build, mark statement as volatile.
6216 2007-01-11  Tom Tromey  <tromey@redhat.com>
6218         PR preprocessor/15185, PR preprocessor/20989:
6219         * doc/cppopts.texi <-MT>: Update description of algorithm for
6220         computing default target.
6221         <-M, -MD>: Reword "basename" text.
6223 2007-01-11  Roger Sayle  <roger@eyesopen.com>
6225         * builtins.c (expand_builtin_pow, expand_builtin_powi,
6226         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
6227         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
6228         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
6229         fold_builtin_bswap, real_constp, fold_builtin_pow,
6230         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
6231         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
6232         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
6233         * convert.c (convert_to_pointer): Likewise.
6234         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
6235         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
6236         const_binop, fold_convert_const_int_from_int,
6237         fold_convert_const_int_from_real,
6238         fold_convert_const_real_from_real, sign_bit_p,
6239         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
6240         fold_sign_changed_comparison, fold_unary, fold_comparison,
6241         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
6242         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
6243         * print-tree.c (print_node_brief, print_node): Likewise.
6244         * stor-layout.c (place_field, layout_type): Likewise.
6245         * tree-chrec.c (keep_cast): Likewise.
6246         * tree.c (build_vector, build_real, build_real_from_int_cst,
6247         build_complex): Likewise.
6249 2007-01-11  Roger Sayle  <roger@eyesopen.com>
6251         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
6252         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
6254 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
6256         * configure.ac (strict1_warn): Rename to strict_warn.
6257         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
6258         cc_set_by_configure, quoted_cc_set_by_configure,
6259         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
6260         all_boot_languages, all_stagestuff): Remove.
6261         (target_list): Remove bootstrap targets.
6262         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
6263         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
6264         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
6265         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
6266         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
6267         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
6268         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
6269         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
6270         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
6271         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
6272         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
6273         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
6274         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
6275         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
6276         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
6277         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
6278         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
6279         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
6280         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
6281         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
6282         (mostlyclean): Adjust.
6283         (clean, distclean): Don't mention bootstrap stuff.
6284         * configure: Regenerate.
6285         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
6286         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
6287         treelang/config-lang.in (stagestuff): Remove.
6288         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
6289         stageprofile, stagefeedback, stagestuff): Remove mention.
6291 2007-01-11  Nick Clifton  <nickc@redhat.com>
6293         * config/mcore/predicates.md (mcore_general_movesrc_operand):
6294         Accept CONSTs.
6295         (mcore_general_movdst_operand): Do not accept CONST_INTs.
6296         (mcore_arith_K_S_operand): Run the test for the S constraint not
6297         the test for the M constraint.
6298         (mcore_addsub_operand): Do not accept integer values that are
6299         larger than 32 bits.
6300         * config/mcore/mcore.md: Remove unused constraints from split.
6301         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
6302         (addsi3): Likewise.
6303         (allocate_stack): Likewise.
6304         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
6305         operands to 32 bits.
6306         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
6307         INTVAL.
6308         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
6309         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
6310         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
6311         mcore_output_bclri, mcore_output_andn, output_inline_const,
6312         mcore_output_move, mcore_output_movedouble): Likewise.
6313         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
6314         (output_inline_const): Likewise.
6315         (output_inline_const): Fix format strings used in sprintf
6316         statements.
6317         * config/mcore/mcore-protos.h: Update prototypes for changed
6318         functions in mcore.c.
6319         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
6320         HOST_WIDE_INT and not int.
6321         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
6322         CONST_OK_FOR_N): Likewise.
6323         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
6324         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
6325         an INTVAL.
6327 2007-01-10  Jan Hubicka  <jh@suse.cz>
6329         * tree-vrp.c (remove_range_assertions): Release defs.
6330         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
6331         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
6333 2007-01-10  Paul Brook  <paul@codesourcery.com>
6335         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
6336         * config/arm/arm.md (mulsi3subsi): New insn.
6338 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
6340         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
6341         (tree_transform_and_unroll_loop): New.
6342         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
6343         Declare.
6345 2007-01-10  Robert Kennedy <jimbob@google.com>
6347         * fold-const.c (fold_comparison): Fold comparisons like (x *
6348         1000 < 0) to (x < 0).
6350 2007-01-10  Ian Lance Taylor  <iant@google.com>
6352         * tree-pretty-print.c (dump_generic_node): Print parentheses when
6353         operands have the same priority.
6355 2007-01-10  Tom Tromey  <tromey@redhat.com>
6357         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
6358         (fold_binary): Likewise.
6359         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
6360         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
6361         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
6362         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
6363         * langhooks.h (struct lang_hooks): Removed field
6364         'can_use_bit_fields_p'.
6366 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
6368         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
6370 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
6372         * function.c (get_last_funcdef_no): New function.
6373         * function.h (get_last_funcdef_no): Declare.
6374         * tree-inline.c (initialize_cfun): Add initialization.
6375         (tree_function_versioning): Cleanup.
6377 2007-01-10  Jan Hubicka  <jh@suse.cz>
6379         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
6380         PHIs.
6382 2007-01-10  Sa Liu  <saliu@de.ibm.com>
6383             Ben Elliston  <bje@au.ibm.com>
6385         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
6386         for SAVE_NONLOCAL and Pmode for any other save level.
6387         * spu-protos.h (spu_restore_stack_block): Declare.
6388         * spu.md (save_stack_block): Remove.
6389         (restore_stack_block): Call spu_restore_stack_block.
6390         * spu.c (spu_restore_stack_block): New function.
6391         (spu_expand_epilogue): Remove old comment.
6393 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
6395         PR tree-optimization/30322
6396         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
6397         (cand_value_at): Return the value as aff_tree.
6398         (may_eliminate_iv): Convert the bound from aff_tree to tree.
6399         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
6400         aff_combination_mult): New functions.
6401         (aff_combination_add): Use aff_combination_add_cst.
6402         (aff_combination_convert): Allow conversions to a wider type.
6403         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
6404         * tree-affine.h (aff_combination_mult): Declare.
6406 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
6408         * doc/tm.texi: Update documentation to reflect reality of exec
6409         and start file search behaviours. Update copyright year.
6410         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
6411         header file directories.
6413 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
6415         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
6416         (*cosxf2): Rename to cosxf2_i387.
6417         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
6418         using X87MODEF12 mode macro. Rename patterns to
6419         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
6420         for SSE math.
6421         (*cosdf2, *cossf2): Ditto.
6422         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
6423         to match extended input operands.
6424         (sincos<mode>3): New expander.
6425         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
6426         insn patterns and corresponding splitters.
6428 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
6430         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
6431         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
6433 2007-01-09  Nicolas Pitre  <nico@cam.org>
6435         PR target/30173
6436         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
6438 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
6440         * target.h (struct gcc_target): New field library_rtti_comdat.
6441         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
6442         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
6443         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
6444         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
6446 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
6448         * doc/invoke.texi (Optimize Options): Correct description of -O0.
6450 2007-01-08  Richard Guenther  <rguenther@suse.de>
6452         * tree.h (force_fit_type_double): Export.
6453         (force_fit_type): Remove.
6454         * fold-const.c (force_fit_type_double): New function.
6455         (force_fit_type): Remove.
6456         (int_const_binop): Use it.
6457         (fold_convert_const_int_from_int): Likewise.
6458         (fold_convert_const_int_from_real): Likewise.
6459         (fold_div_compare): Likewise.
6460         (fold_sign_changed_comparison): Likewise.
6461         (fold_unary): Likewise.
6462         (fold_negate_const): Likewise.
6463         (fold_abs_const): Likewise.
6464         (fold_not_const): Likewise.
6465         * c-common.c (shorten_compare): Use force_fit_type_double.
6466         * convert.c (convert_to_pointer): Likewise.
6468 2007-01-08  Richard Guenther  <rguenther@suse.de>
6470         * tree.h (build_int_cst_wide_type): Export.
6471         * tree.c (build_int_cst_wide_type): New function.
6472         (build_int_cst_wide): Fix comment.
6473         * builtins.c (fold_builtin_object_size): Use build_int_cst
6474         to build -1 or 0 of the correct type.  Use fit_double_type
6475         to check for overflow.
6476         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
6477         to build the mask.
6478         (decode_field_reference): Likewise.
6479         (all_ones_mask_p): Likewise.
6480         (native_interpret_int): Use build_int_cst_wide_type.
6481         (fold_binary): Use build_int_cst_type to build an all-ones
6482         value.
6483         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
6485 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
6487         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
6489 2007-01-09  Ben Elliston  <bje@au.ibm.com>
6491         * genautomata.c (STATS_OPTION): New option.
6492         (stats_flag): New flag.
6493         (gen_automata_option): Handle it.
6494         (initiate_automaton_gen): Ditto.
6495         (write_automata): Output statistics only if stats_flag is
6496         set. Likewise, output time statistics only if time_flag is set.
6497         * doc/md.texi (Processor pipeline description): Document new flag.
6499 2007-01-08  Richard Guenther  <rguenther@suse.de>
6501         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
6502         * tree.c (build_int_cst_type): Likewise.
6503         (size_in_bytes): Don't call force_fit_type on the result.
6504         (int_fits_type_p): Use fit_double_type.
6505         * fold-const.c (fit_double_type): New function.
6506         (force_fit_type): Use it.
6507         * tree.h (fit_double_type): Export.
6509 2007-01-08  Jan Hubicka  <jh@suse.cz>
6511         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
6512         * ipa.c (function_and_variable_visibility): Fix return type.
6514 2007-01-08  Richard Guenther  <rguenther@suse.de>
6516         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
6517         of offset to build the index.
6518         * tree-pretty-print.c (dump_generic_node): Don't build negated
6519         const just for printing.
6520         * c-pretty-print.c (pp_c_integer_constant): Likewise.
6521         * builtins.c (fold_builtin_int_roundingfn): Check if result
6522         fits the type by using force_fit_type and comparing the result.
6523         * predict.c (predict_loops): Use compare_tree_int for comparison.
6524         * tree.c (build_int_cst): Fall back to integer_type_node for
6525         NULL_TREE type.
6526         (build_int_cst_wide): Assert type is non-null.
6528 2007-01-08  Roberto Costa  <roberto.costa@st.com>
6530         * tree-vrp.c (extract_range_from_cond_expr): New.
6531         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
6532         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
6533         as expressions.
6534         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
6535         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
6536         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
6537         used as expressions.
6538         * tree-object-size.c (cond_expr_object_size): New.
6539         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
6541 2007-01-08  Jan Hubicka  <jh@suse.cz>
6543         * tree-ssa-forwprop.c (forward_propagate_into_cond,
6544         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
6545         statement.
6547 2007-01-08  Richard Guenther  <rguenther@suse.de>
6549         PR tree-optimization/23603
6550         * tree-vrp.c (set_value_range_to_truthvalue): New function.
6551         (extract_range_from_binary): Fall back to truthvalue instead of
6552         varying for TRUTH_*_EXPR.
6553         (extract_range_from_comparison): Fall back to truthvalue instead of
6554         varying.
6555         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
6556         if all visited PHI values were constant.
6558 2007-01-08  Jan Hubicka  <jh@suse.cz>
6560         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
6561         (cgraph_analyze_function): break out from ...
6562         (cgraph_finalize_compilation_unit): ... here.
6563         (cgraph_expand_function): Remove forgoten commented out line.
6564         (cgraph_optimize): Analyze functions.
6566 2007-01-08  Jan Hubicka  <jh@suse.cz>
6568         * tree-pas.h (TODO_remove_function): New flag.
6569         (TODO_update*): Renumber.
6570         (pass_ipa_increase_alignment,
6571         pass_ipa_function_and_variable_visibility): New passes.
6572         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
6573         (cgraph_function_and_variable_visibility): Move to ipa.c
6574         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
6575         cgraph_increase_alignment.
6576         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
6577         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
6578         calling tree-inline.
6579         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
6580         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
6581         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
6582         (gate_increase_alignment): New function.
6583         (pass_ipa_increase_alignment): New pass.
6584         * ipa.c: Inline tree-pass.h and timevar.h
6585         (function_and_variable_visibility): Move here from cgraphunit.c
6586         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
6587         * passes.c (init_optimization_passes): Add the two new passes.
6588         (execute_todo): Handle cgraph_remove_functions.
6590 2007-01-08  Nick Clifton  <nickc@redhat.com>
6592         * config/frv/predicates.md (reg_or_0_operand): Accept
6593         CONST_DOUBLEs.
6595 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
6597         * config/bfin/rtems.h, config/bfin/t-rtems: New.
6598         * config.gcc: Add bfin*-rtems*.
6600 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6602         * c.opt: Add -flax-vector-conversions.
6603         * c-typeck.c (convert_for_assignment): Pass flag to
6604         vector_types_convertible_p to allow emission of note.
6605         (digest_init): Likewise.
6606         * c-opts.c: Handle -flax-vector-conversions.
6607         * c-common.c (flag_lax_vector_conversions): New.
6608         (vector_types_convertible_p): Unless -flax-vector conversions
6609         has been passed, disallow conversions between vectors with
6610         differing numbers of subparts and/or element types.  If such
6611         a conversion is disallowed, possibly emit a note on the first
6612         occasion only to inform the user of -flax-vector-conversions.
6613         The new last argument specifies this.
6614         * c-common.h (flag_lax_vector_conversions): New.
6615         (vector_types_convertible_p): Add extra argument.
6616         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
6617         char_type_node for V*QI type vectors.
6618         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
6619         Update to satisfy new typechecking rules.
6620         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
6621         C and C++ variants.
6622         * doc/invoke.texi (C Dialect Options): Document
6623         -flax-vector-conversions.
6625 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6627         PR tree-optimization/29877
6628         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
6629         a register variable on the RHS to not be replaceable.
6631 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
6632         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
6633         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
6634         const_simm15, const_pow2, const_npow2): Added.
6635         * config/score/misc.md (insv, extv, extzv, movmemsi,
6636         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
6637         * config/score/score.c (score_address_cost, score_select_cc_mode):
6638         Added.
6639         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
6640         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
6641         Update score_print_operand.
6642         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
6643         Adjust register allocate order and update some macro define.
6644         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
6645         mdx_block_move_straight, mdx_block_move_loop_head,
6646         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
6647         mdx_block_move): Added.
6648         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
6649         mdp_limm): Updated and fix some bug and typo.
6650         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
6651         (movsf, movdf, doloop_end): Added.
6653 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
6655         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
6656         config/arm/thumb2.md: Fix comment typos.
6657         * doc/extend.texi: Fix a typo.
6659 2007-01-07  Eric Christopher  <echristo@apple.com>
6661         * configure.ac: Check for __stack_chk_fail for darwin.
6662         * configure: Regenerate.
6664 2007-01-07  Richard Guenther  <rguenther@suse.de>
6666         * tree-vrp.c (extract_range_from_assert): CSE calls to
6667         compare_values where possible.
6668         (extract_range_from_unary_expr): Likewise.
6670 2007-01-07  Anatoly Sokolov <aesok@post.ru>
6672         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
6673         * config/avr/avr.c (call_insn_operand): Delete function.
6674         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
6675         instead of register number. Use predicates.
6676         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
6677         call_insn_operand): Add.
6679 2007-01-06  Jan Hubicka  <jh@suse.cz>
6681         * tree-pass.h (pass_build_cgraph_edges): Declare.
6682         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
6683         (visited_nodes): Remove.
6684         (cgraph_create_edges): Move to cgraphbuild.c; rename to
6685         build_cgrpah_edges; make visited_nodes local.
6686         (cgraph_process_new_functions): DO not call initialize_inline_failed.
6687         (record_references_in_initializer): Move to cgraphbuild.c
6688         (initialize_inline_failed, rebuild_cgraph_edges,
6689         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
6690         (verify_cgraph_node): Make visited_nodes local.
6691         (cgraph_analyze_function): Do not call cgraph_create_edges and
6692         initialize_inline_failed.
6693         (cgraph_expand_function): Do not call cgraph_lower_function;
6694         assert that function is already lowered.
6695         * Makefile.in (cgraphbuild.o): New.
6696         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
6697         at the end of lowering passes.
6699 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
6701         * ifcvt.c (cond_move_convert_if_block): New function, code
6702         factored out from...
6703         (cond_move_process_if_block): ...here.  Call the new function
6704         on the THEN and ELSE blocks.
6705         (merge_if_block): Do not copy global_live_at_end, merge_blocks
6706         already takes care of this.
6708 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6710         PR c/19978
6711         * tree.h (TREE_OVERFLOW_P): New.
6712         * c-typeck.c (parser_build_unary_op): Warn only if result
6713         overflowed and operands did not.
6714         (parser_build_binary_op): Likewise.
6715         (convert_for_assignment): Remove redundant overflow_warning.
6716         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6718 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6720         * c-typeck.c (store_init_value): Split over two lines to follow
6721         the GNU coding style.
6723 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
6725         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6726         __GXX_EXPERIMENTAL_CXX0X__.
6727         * doc/cpp.texi: Same.
6729 2007-01-05  Richard Guenther  <rguenther@suse.de>
6731         PR middle-end/27826
6732         * tree.c (get_narrower): Do not construct COMPONENT_REFs
6733         with mismatched types.  Instead explicitly build a
6734         conversion NOP_EXPR.
6736 2007-01-05  Ian Lance Taylor  <iant@google.com>
6738         * c-common.c (decl_with_nonnull_addr_p): New function.
6739         (c_common_truthvalue_conversion): Call it.
6740         * c-typeck.c (build_binary_op): Likewise.
6741         * c-common.h (decl_with_nonnull_addr_p): Declare.
6743 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
6745         PR c/30360
6746         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6747         denom against 0.0.
6749 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
6751         * doc/install.texi (Final install): Document the fact that
6752         the GNAT runtime should not be stripped.
6754 2007-01-04  Jan Hubicka  <jh@suse.cz>
6756         * tree-inline.c (fold_marked_statements): Update operand caches
6757         and EH after folding
6759 2007-01-04  Ian Lance Taylor  <iant@google.com>
6761         * c-common.c (check_function_nonnull): Whitespace fix.
6763 2007-01-04  Jan Hubicka  <jh@suse.cz>
6765         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
6766         comitted older version of patch.
6767         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
6768         function, celanup cfg and collect garbage.
6770 2007-01-04  Mike Stump  <mrs@apple.com>
6772         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
6773         (clean): Likewise.
6775 2007-01-04  Eric Christopher  <echristo@apple.com>
6777         * libgcc2.c (__bswapsi2): Use SItype.
6778         (__bswapdi2): Use DItype.
6779         * libgcc2.h: Update for above.
6781 2007-01-04  Paul Brook  <paul@codesourcery.com>
6783         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
6784         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
6785         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
6786         umulsidi3, umulsidi3adddi, smulsi3_highpart,
6787         umulsi3_highpart): Make conditional on !arm_arch6.
6788         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
6789         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
6790         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
6791         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
6792         umulsi3_highpart_v6): New insns.
6794 2007-01-04  Roger Sayle  <roger@eyesopen.com>
6796         * fold-const.c (fold_convert): When casting an expression to void,
6797         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
6798         have a type.  Instead of attempting to build a NOP_EXPR, return
6799         these "special" trees directly.
6801 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
6803         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
6804         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
6805         rs6000_cost->fp not 0 as adjustment for outer NEG.
6807 2007-01-04  Jan Hubicka  <jh@suse.cz>
6809         * cgraph.c (cgraph_release_function_body): New function.
6810         (cgraph_remove_node): Use it.
6811         * cgraph.h (cgraph_release_function_body): Declare.
6812         * cgraphunit.c (cgraph_expand_function): Use it.
6813         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
6814         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
6815         is initialized and while compilation of other function is running.
6816         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
6817         statement CFG annotations from here to ...
6818         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
6820 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
6822         * cfgloop.h (enum li_flags): Make the constants powers of two.
6824 2007-01-04  Jan Hubicka  <jh@suse.cz>
6826         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
6827         set.
6828         (fold_marked_statements): New function.
6829         (optimize_inline_calls, tree_function_versioning): Fold new statements.
6830         * tree-inline.h (copy_body_data): Add statements_to_fold.
6832 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
6834         * config.gcc: Mention libgcc/config.host.
6835         * Makefile.in: Update comments mentioning libgcc.
6836         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6837         (all.cross, start.encap, rest.encap, rest.cross): Update
6838         dependencies for libgcc move.
6839         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6840         (clean-target, clean-target-libgcc): Delete.
6841         (srcdirify, GCC_EXTRA_PARTS): New macros.
6842         (libgcc-support, libgcc.mvars): New rules.
6843         (distclean): Remove mention of mklibgcc.
6844         (install): Don't reference INSTALL_LIBGCC.
6845         (install-common): Don't reference EXTRA_PARTS.
6846         (install-libgcc, install-multilib): Delete rules.
6847         * mklibgcc.in: Delete file.
6848         * doc/configfiles.texi: Don't mention mklibgcc.
6850         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6851         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6852         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6853         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6854         (mklibgcc, ldblspecs): Likewise.
6856         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6857         (posixpre.def): Use $(T).
6858         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6859         (SHLIB_SRC, SHLIB_INSTALL): Delete.
6860         (SHLIB_LINK): Make dummy.
6861         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6863         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6865         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6866         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6867         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6868         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6870         * configure.ac (all_outputs): Remove mklibgcc.
6871         * configure: Regenerated.
6873 2007-01-03  Josh Conner  <jconner@apple.com>
6875         PR middle-end/29683
6876         * calls.c (compute_argument_addresses): Set stack and stack_slot
6877         for partial args, too.
6878         (store_one_arg): Use locate.size.constant for the size when
6879         generating a save_area.
6881 2007-01-03  Robert Kennedy <jimbob@google.com>
6883         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6884         whose definitions are deleted due to basic block merging.
6886 2007-01-03  Paul Brook  <paul@codesourcery.com>
6888         PR target/16634
6889         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6890         functions.
6891         (use_return_insn): Return 0 for Thumb interrupt functions.
6892         (print_multi_reg): Add rfe argument for IRQ returns.
6893         (arm_output_epilogue): Pop interrupt return address directly into PC.
6894         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6896 2007-01-03  Paul Brook  <paul@codesourcery.com>
6898         Merge from sourcerygxx-4_1.
6899         * config/arm/thumb2.md: New file.
6900         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6901         Thumb-2.
6902         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6903         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6904         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6905         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6906         tables.
6907         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6908         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6909         comptibility.
6910         * config/arm/ieee754-sf.S: Ditto.
6911         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6912         (thumb1_base_register_rtx_p): ... to this.
6913         (thumb_index_register_rtx_p): Rename...
6914         (thumb1_index_register_rtx_p): ... to this.
6915         (thumb_output_function_prologue): Rename...
6916         (thumb1_output_function_prologue): ... to this.
6917         (thumb_legitimate_address_p): Rename...
6918         (thumb1_legitimate_address_p): ... to this.
6919         (thumb_rtx_costs): Rename...
6920         (thumb1_rtx_costs): ... to this.
6921         (thumb_compute_save_reg_mask): Rename...
6922         (thumb1_compute_save_reg_mask): ... to this.
6923         (thumb_final_prescan_insn): Rename...
6924         (thumb1_final_prescan_insn): ... to this.
6925         (thumb_expand_epilogue): Rename...
6926         (thumb1_expand_epilogue): ... to this.
6927         (arm_unwind_emit_stm): Rename...
6928         (arm_unwind_emit_sequence): ... to this.
6929         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6930         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6931         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6932         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6933         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6934         thumb2_output_casesi): New functions.
6935         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6936         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6937         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6938         THUMB2_WORK_REGS): Define.
6939         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6940         arm_condexec_mask, arm_condexec_masklen)): New variables.
6941         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6942         (arm_override_options): Check new CPU capabilities.
6943         Set new architecture flag variables.
6944         (arm_isr_value): Handle v7m interrupt functions.
6945         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
6946         Thumb-2.
6947         (const_ok_for_arm): Handle Thumb-2 constants.
6948         (arm_gen_constant): Ditto.  Use movw when available.
6949         (arm_function_ok_for_sibcall): Return false for v7m interrupt
6950         functions.
6951         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6952         (thumb_find_work_register, arm_load_pic_register,
6953         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6954         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6955         print_multi_reg, output_mov_long_double_fpa_from_arm,
6956         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6957         output_mov_double_fpa_from_arm, output_move_double,
6958         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6959         output_return_instruction, arm_output_function_prologue,
6960         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6961         arm_output_mi_thunk, thumb_set_return_address): Ditto.
6962         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
6963         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6964         (arithmetic_instr, shift_op): Use arm_shift_nmem.
6965         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
6966         '!' and 'L'.
6967         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6968         (thumb_expand_prologue): Use thumb_set_frame_pointer.
6969         (arm_file_start): Output directive for unified syntax.
6970         (arm_unwind_emit_set): Handle stack alignment instruction.
6971         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6972         Add v6t2, v7, v7a, v7r and v7m.
6973         (RETLDM): Add Thumb-2 code.
6974         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6975         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6976         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6977         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6978         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6979         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6980         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6981         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6982         ADJUST_INSN_LENGTH): Define.
6983         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6984         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6985         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6986         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6987         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6988         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6989         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6990         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6991         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6992         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6993         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6994         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6995         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6996         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6997         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6998         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6999         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
7000         cortex-m3.
7001         * config/arm/arm-tune.md: Regenerate.
7002         * config/arm/arm-protos.h: Update prototypes.
7003         * config/arm/vfp.md: Enable patterns for Thumb-2.
7004         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
7005         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
7006         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
7007         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
7008         * config/arm/libunwind.S: Add Thumb-2 code.
7009         * config/arm/constraints.md: Update include Thumb-2.
7010         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
7011         * config/arm/ieee754-df.S: Ditto.
7012         * config/arm/bpabi.S: Ditto.
7013         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
7014         * config/arm/predicates.md (low_register_operand,
7015         low_reg_or_int_operand, thumb_16bit_operator): New.
7016         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
7017         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
7018         * config/arm/t-arm-elf: Add armv7 multilib.
7019         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
7020         Include thumb2.md.
7021         (UNSPEC_STACK_ALIGN, ce_count): New.
7022         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
7023         arm_zero_extendsidi2, arm_zero_extendqidi2): New
7024         insns/expanders.
7025         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
7026         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
7027         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
7028         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
7029         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
7030         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
7031         insns.
7032         * doc/extend.texi: Document ARMv7-M interrupt functions.
7033         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
7035 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
7037         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
7038         (struct _Unwind_Context): Rename args_size to flags, remove
7039         signal_frame field, add a new args_size field and version field.
7040         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
7041         _Unwind_IsExtendedContext): New inline functions.
7042         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
7043         Assume by_value array is only present if _Unwind_IsExtendedContext.
7044         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
7045         _Unwind_IsSignalFrame.
7046         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
7047         (uw_update_context_1): Use _Unwind_SetSignalFrame.
7048         (uw_init_context_1): Initialize context->flags to
7049         EXTENDED_CONTEXT_BIT.
7050         * config/rs6000/linux-unwind.h (frob_update_context): Use
7051         _Unwind_SetSignalFrame.
7053 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7055         PR middle-end/30353
7056         * gimplify.c (gimplify_modify_expr_complex_part): Move below
7057         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
7058         the value.
7060 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
7062         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
7063         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
7064         RET, AT_SP): Remove.
7065         * config/i386/i386.md (*sse_prologue_save_insn): Use return
7066         instead of RET.
7068         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
7069         * cfgbuild.c (find_basic_blocks): Likewise.
7070         * cfgrtl.c (rtl_create_basic_block): Likewise.
7071         * function.c (temp_slots_at_level): Likewise.
7072         * reg-stack.c (stack_regs_mentioned): Likewise.
7073         * regclass.c (allocate_reg_info): Likewise.
7074         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
7075         set_bb_for_stmt, move_block_to_fn): Likewise.
7076         * tree-complex.c (tree_lower_complex): Likewise.
7077         * vec.h (VEC_safe_grow_cleared): New.
7079         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
7081 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
7083         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
7084         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
7085         to loop_version.
7086         * cfgloopmanip.c (scale_loop_frequencies): Export.
7087         (loopify): Scale the frequencies by prescribed coefficients.
7088         (set_zero_probability): New function.
7089         (duplicate_loop_to_header_edge): Improve updating of frequencies.
7090         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
7091         and frequencies according to arguments.
7092         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
7093         correctly.
7094         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
7095         * modulo-sched.c (sms_schedule): Set probabilities for entering
7096         versioned loop correctly.
7097         * tree-vect-transform.c (vect_transform_loop): Ditto.
7098         * cfgloop.h (loopify, loop_version): Declaration changed.
7099         (scale_loop_frequencies): Declared.
7101 2007-01-02  Jan Hubicka  <jh@suse.cz>
7103         * cgraph.c: Include tree-flow.h
7104         (cgraph_add_new-function): Handle IPA_SSA mode; execute
7105         early_local_passes.
7106         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
7107         * tree-pass.h (pass_all_early_optimizations): Declare.
7108         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
7109         early_local_passes.
7110         (cgraph_analyze_function): Do early_local_passes.
7111         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
7112         Do not add referenced vars.
7113         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
7114         SSA form.
7115         (gate_all_early_local_passes): New gate.
7116         (pass_early_local_passes): Use new gate.
7117         (execute_early_local_optimizations): New functions.
7118         (gate_all_early_optimizations): New gate.
7119         (pass_all_early_optimizations): New pass.
7120         (execute_free_datastructures): Free SSA only when initialized.
7121         (gate_init_datastructures): Init only when optimizing.
7122         (tree_lowering_passes): Do early local passes when called late.
7123         * tree-profile.c (do_tree_profiling): Don't profile functions added
7124         late.
7125         (do_early_tree_profiling, pass_early_tree_profile): Kill.
7126         * tree-cfg.c (update_modified_stmts): Do not update when operands are
7127         not active.
7128         * passes.c (init_optimizations_passes): Reorder so we go into SSA
7129         during early_local_passes.
7130         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
7133 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
7135         * Makefile.in: Update copyright year.
7137 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
7139         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
7140         in $(lang_checks) and check-consistency targets.
7142 2007-01-02  Jan Hubicka  <jh@suse.cz>
7144         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
7145         Do not add referenced vars.
7146         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
7147         are not active.
7148         * passes.c (init_optimization_passes): Put mudflap_2 after
7149         free_datastructures.
7151 2007-01-02  Jan Hubicka  <jh@suse.cz>
7153         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
7154         Set NOTHROW flag on call statements proved to be nothrow.
7155         Update statement of local calls so new pure/const functions are
7156         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
7157         goto receivers.
7158         (tree_rest_of_compilation): Register hooks and initialize bitmap
7159         early. Do not set after_inlining flag.
7161 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
7163         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
7164         HOST_BITS_PER_LONGLONG
7166 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7168         PR c/19977
7169         * c-typeck.c (store_init_value): Don't emit pedantic overflow
7170         warning for non-static initializers.
7172 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
7174         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
7175         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
7176         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
7177         Always use set_unique_reg_note to add REG_EQUAL notes.
7179 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
7181         Revert:
7182         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
7184         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
7185         * cfgbuild.c (find_basic_blocks): Likewise.
7186         * cfgrtl.c (rtl_create_basic_block): Likewise.
7187         * function.c (temp_slots_at_level): Likewise.
7188         * reg-stack.c (stack_regs_mentioned): Likewise.
7189         * regclass.c (allocate_reg_info): Likewise.
7190         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
7191         set_bb_for_stmt, move_block_to_fn): Likewise.
7192         * tree-complex.c (tree_lower_complex): Likewise.
7193         * vec.h (VEC_safe_grow_cleared): New.
7195 2007-01-02  Ian Lance Taylor  <iant@google.com>
7197         * c-common.c (c_common_truthvalue_conversion): When warning about
7198         using an assignment as a truth value, set TREE_NO_WARNING.
7200 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7202         PR middle-end/7651
7203         * c.opt (Wold-style-declaration): New.
7204         * doc/invoke.texi (C-only Warning Options): New.
7205         (Wold-style-declaration): Document it.
7206         (Wextra): Enabled by -Wextra.
7207         * c-opts.c (c_common_post_options): Enabled by -Wextra.
7208         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
7209         -Wold-style-declaration.
7211 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
7213         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
7214         * cfgbuild.c (find_basic_blocks): Likewise.
7215         * cfgrtl.c (rtl_create_basic_block): Likewise.
7216         * function.c (temp_slots_at_level): Likewise.
7217         * reg-stack.c (stack_regs_mentioned): Likewise.
7218         * regclass.c (allocate_reg_info): Likewise.
7219         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
7220         set_bb_for_stmt, move_block_to_fn): Likewise.
7221         * tree-complex.c (tree_lower_complex): Likewise.
7222         * vec.h (VEC_safe_grow_cleared): New.
7224 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
7226         * c-common.c (c_common_nodes_and_builtins): Since variants of
7227         void_type_node get built before it is given a name, we need to
7228         give those variants the name, too.
7229         (complete_array_type): We need to work with the canonical main
7230         type of the array, from which we will build the qualified version.
7231         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
7232         * print-tree.c (print_node): Display canonical type information
7233         for each type.
7234         * stor-layout.c (layout_type): When we don't know the
7235         alignment of a type for which we're building an array, we end up
7236         guessing wrong, so make the type require structural equality.
7237         * tree.c (make_node_stat): When we build a new type, it is its
7238         own canonical type.
7239         (build_type_attribute_qual_variant): When building an attribute
7240         variant, its canonical type is the non-attribute variant. However,
7241         if the attributes are target-dependent and they differ, we need to
7242         use structural equality checks for this type.
7243         (build_qualified_type): A qualified type is not equivalent to its
7244         unqualified variant; set the canonical type appropriately.
7245         (build_distinct_type_copy): When building a distinct type from
7246         another type, the new type is its own canonical type.
7247         (build_variant_type_copy): When building a new type variant, we
7248         assume that it is equivalent to the original type.
7249         (build_pointer_type_for_mode): When building a pointer type, also
7250         build a canonical type pointer.
7251         (build_reference_type_for_mode): When building a reference type,
7252         also build a canonical type reference.
7253         (build_index_type): When we can't hash an index type (e.g.,
7254         because its maximum value is negative), the index type requires
7255         structural equality tests.
7256         (build_array_type): Build the canonical form of an array type.
7257         (build_function_type): Function types require structural equality,
7258         because they contain default arguments, attributes, etc.
7259         (build_method_type_directly): Ditto for method types.
7260         (build_offset_type): Build the canonical offset type.
7261         (build_complex_type): Build the canonical vector type.
7262         (make_vector_type): Build the canonical vector type.
7263         * tree.h (TYPE_CANONICAL): New.
7264         (TYPE_STRUCTURAL_EQUALITY_P): New.
7265         (SET_TYPE_STRUCTURAL_EQUALITY): New.
7266         (struct tree_type): Added "canonical" field.
7267         * params.h (VERIFY_CANONICAL_TYPES): New.
7268         * doc/c-tree.texi (TYPE_CANONICAL): Document.
7269         (TYPE_STRUCTURAL_EQUALITY_P): Document.
7270         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
7271         * doc/invoke.texi (verify-canonical-types): Document --param
7272         parameter for verifying canonical types.
7274 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
7276         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
7277         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
7278         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
7279         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
7280         tm_file.
7281         * config/rs6000/e500.h: New.
7282         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
7283         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
7284         Remove.
7285         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
7286         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
7287         TARGET_E500_DOUBLE): Remove.
7288         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
7289         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
7290         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
7291         * config/rs6000/rs6000.c (rs6000_override_options): Use
7292         CHECK_E500_OPTIONS.
7294 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
7296         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
7297         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
7298         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
7299         rs6000_emit_cmove): Don't check TARGET_E500.
7300         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
7301         sordered): Don't check TARGET_E500.
7303 2007-01-01  Eric Christopher  <echristo@apple.com>
7305         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
7306         HARD_REGISTER_NUM_P.
7308 2007-01-01  Roger Sayle  <roger@eyesopen.com>
7310         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
7311         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
7312         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
7313         eq/ne Y".
7315 2007-01-01  Mike Stump  <mrs@apple.com>
7317         * configure.ac: Remove support for building with Apple's gcc-3.1.
7319 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
7321         PR middle-end/30311
7322         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
7323         REG is a hard register.  Do not modify REG before calling
7324         subreg_nregs.
7325         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
7326         multiple of the size of YMODE for certain lowpart cases.
7328 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
7330         PR middle-end/30253
7331         * gimplify (voidify_wrapper_expr): Update for
7332         GIMPLE_MODIFY_STMT.
7334 2007-01-01  Andreas Schwab  <schwab@suse.de>
7336         PR target/29166
7337         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
7338         save of BR0 in extra_spill_size instead of spill_size.
7339         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
7340         area.
7341         (ia64_expand_epilogue): Restore BR0 from its new location.
7343 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
7345         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
7346         Use a temporary variable if the left hand side is not a gimple
7347         register.
7349 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
7351         * gimplify.c (gimplify_return_expr): Make the temporary variable
7352         for the return expression, a gimple register variable.
7354 2007-01-01  Jan Hubicka  <jh@suse.cz>
7356         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
7357         INSN_LIST.
7359 2007-01-01  Mike Stump  <mrs@apple.com>
7361         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
7362         .literal16.
7363         * config/darwin.c (machopic_select_rtx_section): Use
7364         HAVE_GAS_LITERAL16.
7365         (darwin_mergeable_constant_section): Likewise.
7366         * configure: Regenerate.
7367         * config.in: Regenerate.
7369 2007-01-01  Jan Hubicka  <jh@suse.cz>
7370             Andrew Pinski  <pinskia@gmail.com>
7372         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
7373         before starting IPA passes.