Fix a typo in ChangeLog.
[official-gcc.git] / gcc / ChangeLog
blob3adf049e8a25307e7369ee42f9cbc46da057134a
1 2007-06-02  Uros Bizjak  <ubizjak@gmail.com>
3         * config/i386/sse.md ("sse4_1_blendvpd"): Require "z" class XMM
4         register for operand[3].  Adjust asm template.
5         ("sse4_1_blendvpd"): Ditto.
6         ("sse4_1_pblendvb"): Ditto.
7         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
8         safe_vector_operand() if input operand is VECTOR_MODE_P operand. Do not
9         force operands[3] into xmm0 register for variable blend instructions.
10         (ix86_expand_sse_pcmpestr): Do not check operands for
11         "register_operand", when insn operand predicate is "register_operand".
12         (ix86_expand_sse_pcmpistr): Ditto.
14 2007-06-02  H.J. Lu  <hongjiu.lu@intel.com>
15             Uros Bizjak  <ubizjak@gmail.com>
17         * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
18         (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
19         (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
20         (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
21         * config/i386/constraints.md ("z"): New register constraint
22         for members of SSE_FIRST_REG class.
23         * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
24         * config/i386/i386.c (regclass_map): Change class of %xmm0 to
25         SSE_FIRST_REG class.
26         (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
27         (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
28         (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
29         (IX86_BUILTIN_PCMPESTRM128): Likewise.
30         (IX86_BUILTIN_PCMPESTRA128): Likewise.
31         (IX86_BUILTIN_PCMPESTRC128): Likewise.
32         (IX86_BUILTIN_PCMPESTRO128): Likewise.
33         (IX86_BUILTIN_PCMPESTRS128): Likewise.
34         (IX86_BUILTIN_PCMPESTRZ128): Likewise.
35         (IX86_BUILTIN_PCMPISTRI128): Likewise.
36         (IX86_BUILTIN_PCMPISTRM128): Likewise.
37         (IX86_BUILTIN_PCMPISTRA128): Likewise.
38         (IX86_BUILTIN_PCMPISTRC128): Likewise.
39         (IX86_BUILTIN_PCMPISTRO128): Likewise.
40         (IX86_BUILTIN_PCMPISTRS128): Likewise.
41         (IX86_BUILTIN_PCMPISTRZ128): Likewise.
42         (struct builtin_description): Change "flag" field to unsigned.
43         (bdesc_pcmpestr): New builtin description table.
44         (bdesc_pcmpistr): Likewise.
45         (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
46         v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
47         Initialize pcmp[ei]str[im] insns for SSE4.2.
48         (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
49         (ix86_expand_sse_pcmpistr): Likewise.
50         (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
51         * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
52         (UNSPEC_PCMPISTR): Likewise.
53         * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
54         (sse4_2_pcmpestri):New isns pattern.
55         (sse4_2_pcmpestrm): Likewise.
56         (sse4_2_pcmpestr_cconly): Likewise.
57         (sse4_2_pcmpistr): New insn patern and splitter.
58         (sse4_2_pcmpistri):New isns pattern.
59         (sse4_2_pcmpistrm): Likewise.
60         (sse4_2_pcmpistr_cconly): Likewise.
61         * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
62         in SSE4.2.
64 2007-06-01  David Daney  <ddaney@avtrex.com>
66         * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
67         LOADGP_ABSOLUTE and not binds_local_p.
68         
69 2007-06-01  Geoffrey Keating  <geoffk@apple.com>
71         * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
73 2007-06-01  Ian Lance Taylor  <iant@google.com>
75         * tree-vrp.c (compare_name_with_value): Always set
76         used_strict_overflow if we get a result from the variable itself.
78 2007-06-01  Ian Lance Taylor  <iant@google.com>
80         PR rtl-optimization/31455
81         * lower-subreg.c (find_decomposable_subregs): Don't decompose
82         subregs which have a cast between modes which are not tieable.
84 2007-06-01  Uros Bizjak  <ubizjak@gmail.com>
86         * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
87         breaks after return statements.
89 2007-06-01  Kaz Kojima  <kkojima@gcc.gnu.org>
91         * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
92         only after no_new_pseudos.
94 2007-05-31  Eric Christopher  <echristo@apple.com>
96         * expr.c (convert_move): Assert that we don't have a BLKmode
97         operand.
98         (store_expr): Handle BLKmode moves by calling emit_block_move.
100 2007-05-31  Daniel Berlin  <dberlin@dberlin.org>
102         * c-typeck.c (build_indirect_ref): Include type in error message.
103         (build_binary_op): Pass types to binary_op_error.
104         * c-common.c (binary_op_error): Take two type arguments, print out
105         types with error.
106         * c-common.h (binary_op_error): Update prototype.
108 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
110         * config/i386/i386.c: Correct coments on -mno-sse4.
112 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
114         * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
115         (x86_64-*-*): Likewise.
116         * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
117         (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
118         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
119         (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
120         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
121         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
122         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
123         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
124         (OPTION_MASK_ISA_SSE4): Likewise.
125         (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
126         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
127         (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET.  Handle SSE4.2.
128         (override_options): Support SSE4.2.
129         (ix86_build_const_vector): Support SImode and DImode.
130         (ix86_build_signbit_mask): Likewise.
131         (ix86_expand_int_vcond): Support V2DImode.
132         (IX86_BUILTIN_CRC32QI): New for SSE4.2.
133         (IX86_BUILTIN_CRC32HI): Likewise.
134         (IX86_BUILTIN_CRC32SI): Likewise.
135         (IX86_BUILTIN_CRC32DI): Likewise.
136         (IX86_BUILTIN_PCMPGTQ): Likewise.
137         (bdesc_crc32): Likewise.
138         (bdesc_sse_3arg): Likewise.
139         (ix86_expand_crc32): Likewise.
140         (ix86_init_mmx_sse_builtins): Support SSE4.2.
141         (ix86_expand_builtin): Likewise.
142         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
143         __SSE4_2__ for -msse4.2.
144         * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
145         (CRC32MODE): Likewise.
146         (crc32modesuffix): Likewise.
147         (crc32modeconstraint): Likewise.
148         (sse4_2_crc32<mode>): Likewise.
149         (sse4_2_crc32di): Likewise.
150         * config/i386/i386.opt (msse4.2): New for SSE4.2.
151         (msse4): Likewise.
152         * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
153         * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
154         * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
155         (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
156         (vcondu<mode>): Likewise.
157         * doc/extend.texi: Document SSE4.2 built-in functions.
158         * doc/invoke.texi: Document -msse4.2/-msse4.
160 2007-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
162         PR tree-optimization/32160
163         * tree-predcom.c (predcom_tmp_var): New function.  Mark created
164         variable as gimple reg.
165         (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
167 2007-05-31  Kazu Hirata  <kazu@codesourcery.com>
169         * gcc.c (main): Don't consider linker options when issuing the
170         warning about a linker input file not being used.
172 2007-05-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
174         * tree-vrp.c (compare_names): Initialize sop.
176 2007-05-30  Dirk Mueller  <dmueller@suse.de>
178         * cgraphunit.c (cgraph_analyze_function): Remove
179         computation of inline parameters.
181 2007-05-30  Uros Bizjak  <ubizjak@gmail.com>
183         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
185 2007-05-30  Richard Sandiford  <richard@codesourcery.com>
187         * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
188         Add vx-common.h.  Include vxworks.h between vx-common.h and
189         arm/vxworks.h.
190         * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
191         redefining.
192         * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
193         (TARGET_ASM_DESTRUCTOR): Likewise.
194         * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
195         instead of arm_is_xscale.  Use VXWORKS_OS_CPP_BUILTINS.
196         (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
197         (CC1_SPEC): Add -tstrongarm.  Line up backslashes.
198         (VXWORKS_ENDIAN_SPEC): Define.
199         (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
200         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
201         VXWORKS_* equivalents.
202         (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
203         (ASM_FILE_START): Delete.
204         (TARGET_VERSION): Reformat.
205         (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
206         (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
207         * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
208         (FPBIT, DPBIT): Define.
209         (fp-bit.c, dp-bit.c): New rules.
210         (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
211         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
212         * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
213         * config/arm/arm.h: Include vxworks-dummy.h.
214         * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
215         Mark with ATTRIBUTE_UNUSED.
216         (arm_override_options): Do not allow VxWorks RTP PIC to be used
217         for Thumb.  Force r9 to be the PIC register for VxWorks RTPs and
218         make it incompatible with -msingle-pic-base.
219         (arm_function_ok_for_sibcall): Return false for calls that might
220         go through a VxWorks PIC PLT entry.
221         (require_pic_register): New function, split out from...
222         (legitimize_pic_address): ...here.  Do not use GOTOFF accesses
223         for VxWorks RTPs.
224         (arm_load_pic_register): Handle the VxWorks RTP initialization
225         sequence.  Use pic_reg as a shorthand for cfun->machine->pic_reg.
226         (arm_emit_call_insn): New function.
227         (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
228         * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
229         (pic_offset_arm): New pattern.
230         (call, call_value): Use arm_emit_call_insn.
231         (call_internal, call_value_internal): New expanders.
232         * config/arm/lib1funcs.asm (__PLT__): Define to empty for
233         VxWorks unless __PIC__.
235 2007-05-30  Eric Christopher  <echristo@gmail.com>
237         * genrecog.c: Include regs.h in generated file.
238         * genemit.c: Ditto. Fix up formatting.
239         * config/mn10300/constraints.md: New.
240         * config/mn10300/mn10300.md: Include.
241         * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
242         Fix up for removed macro.
243         * config/mn10300/predicates.md (call_address_operand):  Ditto.
244         * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
245         (CONST_OK_FOR_I): Ditto.
246         (CONST_OK_FOR_J): Ditto.
247         (CONST_OK_FOR_K): Ditto.
248         (CONST_OK_FOR_L): Ditto.
249         (CONST_OK_FOR_M): Ditto.
250         (CONST_OK_FOR_N): Ditto.
251         (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
252         (OK_FOR_Q): Ditto.
253         (OK_FOR_R): Ditto.
254         (OK_FOR_T): Ditto.
255         (EXTRA_CONSTRAINT): Ditto.
257 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
259         * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
260         Remove defines.
261         * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
262         OPTION_MASK_ISA_64BIT.
263         * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
265 2007-05-30  Richard Guenther  <rguenther@suse.de>
267         PR middle-end/32152
268         * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
269         types for comparison.
270         * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
271         with original typed arguments.
272         * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
274 2007-05-30  Jakub Jelinek  <jakub@redhat.com>
276         PR tree-optimization/31769
277         * except.c (duplicate_eh_regions): Clear prev_try if
278         ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
280 2007-05-30  Zdenek Dvorak  <dvorakz@suse.cz>
282         * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
283         * tree-ssa-sink.c (statement_sink_location): Return basic block and
284         bsi of the location where statements should be inserted.
285         (sink_code_in_bb): Take bsi from statement_sink_location.
286         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
287         instead of bsi_start.
288         * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
289         bsi_insert_after.
290         * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
291         (bsi_move_before): Document inconsistency with bsi_move_after.
292         (tree_redirect_edge_and_branch): Do not create labels if not necessary.
294 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
296         * config/i386/i386.h (TARGET_ABM): New define.
297         (TARGET_POPCNT): Ditto.
298         (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
299         New temporary defines to redefine from OPTION_ISA_* defines.
300         (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
301         New temporary defines to redefine from OPTION_MASK_ISA_* defines.
302         (ix86_isa_flags): New extern int declaration.
303         (TARGET_SUBTARGET_DEFAULT): New define.
304         (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
305         (TARGET_SUBTARGET32_DEFAULT): Ditto.
306         (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
307         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
308         * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
309         * config/i386/darwin.h: Change TARGET_64BIT define to
310         OPTION_ISA_64BIT.
312         * config/i386/i386.opt (m3dnowa): Define as undocumented option
313         using existing "ix86_isa_flags" varible.
314         (m32, m64): Use existing "ix86_isa_flags" variable.
315         (mmmx, m3dnow): Ditto.
316         (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
317         (mabm): Define as non-negative option using "x86_abm" variable.
318         (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
320         * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
321         Rewrite feature test bitmap.
322         (ix86_isa_flags): New initialized global int varible.
323         (ix86_isa_flags_explicit): New static int variable.
324         (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
325         msse, msse2, msse3, msse4.1 and msse4a option is processed.  Change
326         i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
327         target_flags_explicit.
328         (override_options): Remove "target_enable" and "target_disable" fields
329         from "struct ptt". Update processor_target_table accordingly. Remove
330         PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
331         defined and rearrange PTA_* bits.  Use "ix86_isa_flags" instead of
332         "target_flags" and "ix86_isa_flags_explicit" instead of
333         "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
334         MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*.  Set "x86_abm" to true when
335         PTA_ABM is set in processor_alias_table flags entry.  Set "x86_popcnt"
336         to true when either of PTA_POPCNT or PTA_ABM is set in
337         processor_alias_table flags entry.  Set "x86_prefetch_sse" to true
338         when either of PTA_PREFETCH_SSE or PTA_SSE is set in
339         processor_alias_table flags entry.  Remove handling of
340         "target_enable" and "target_disable" fields of processor_target_table.
341         Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
342         targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
343         Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
344         targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
345         (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
346         "target_flags".
347         (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
349 2007-05-29  David Daney  <ddaney@avtrex.com>
351         PR gcc/31975
352         * config/mips/mips.c (mips_output_mi_thunk): Emit
353         NOTE_INSN_PROLOGUE_END at beginning of the thunk.
355 2007-05-29  Hui-May Chang  <hm.chang@apple.com>
356         * config/i386/i386.c (ix86_function_regparm): Added checking of
357         ix86_force_align_arg_pointer to determine the number of
358         register parameters.
360 2007-05-29  Zdenek Dvorak  <dvorakz@suse.cz>
362         * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
363         (SET_DR_MISALIGNMENT): New.
364         * tree-vect-analyze.c (vect_compute_data_ref_alignment,
365         vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
366         Use SET_DR_MISALIGNMENT.
367         * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
368         pointer.
369         * tree-data-ref.c (create_data_ref, compute_all_dependences,
370         find_loop_nest): Export.
371         * tree-data-ref.h (struct data_reference): Change aux field to pointer.
372         (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
373         * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
374         (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
375         New macros.
376         (struct mem_ref): Add field reuse_distance.
377         (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
378         Initialize reuse_distance field.
379         (issue_prefetch_ref): Select temporality of prefetch according to
380         reuse_distance.
381         (volume_of_references, volume_of_dist_vector, add_subscript_strides,
382         self_reuse_distance, determine_loop_nest_reuse): New functions.
383         (loop_prefetch_arrays): Call determine_loop_nest_reuse.
384         (tree_ssa_prefetch_arrays): Dump L2 cache size.
385         * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
386         dependency.
388 2007-05-29  Daniel Berlin  <dberlin@dberlin.org>
390         * tree-ssa-alias.c: Add aliasing overview.
392 2007-05-29  Zuxy Meng  <zuxy.meng@gmail.com>
393             Danny Smith  <dannysmith@users.sourceforge.net>
395         PR target/29498
396         * config/i386/t-crtfm: Compile crtfastmath.o with
397         -minline-all-stringops.
398         * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
399         * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
401 2007-05-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
403         * doc/md.texi: Document constraints on HP PA-RISC.
405         * pa/constraints.md: New file.
406         * pa.md: Include constraints.md.
407         * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
408         (integer_store_memory_operand, ldil_cint_p): New functions.
409         * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
410         * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
411         IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
412         * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
413         * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
415 2007-05-28  Andrew Pinski  <Andrew_pinski@playstation.sony.com>
417         PR c/31339
418         * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
419         case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
420         case POSTDECREMENT_EXPR>): Return the error_mark_node
421         if either the real or imaginary parts would an
422         error_mark_node.
424 2007-05-28  Daniel Berlin  <dberlin@dberlin.org>
426         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
427         name when we remove it from a call.
429 2007-05-28  Kazu Hirata  <kazu@codesourcery.com>
431         * targhooks.c (default_narrow_bitfield): Remove.
432         * targhooks.h: Remove the prototype for
433         default_narrow_bitfield.
435         * langhooks-def.h: Remove the prototype for
436         hook_get_alias_set_0.
437         * langhooks.c (hook_get_alias_set_0): Remove.
439         * global.c (EXECUTE_IF_CONFLICT): Remove.
441 2007-05-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
443         PR tree-opt/32100
444         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
445         return true when truth_value_p is true and the type
446         is of signed:1.
448 2007-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
450         * doc/install.texi (Prerequisites): We no longer require Autoconf
451         2.13 for the top-level.
453 2007-05-28  Uros Bizjak  <ubizjak@gmail.com>
455         * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
456         memory access via x86_expand_vector_move_misalign() only for
457         TImode values on 32-bit targets.
459 2007-05-28  Razya Ladelsky  <razya@il.ibm.com>
461         * matrix-reorg.c: New file. Implement matrix flattening and
462         transposing optimization.
463         * tree-pass.h: Add matrix reorg pass.
464         * common.opt: Add fipa-mreorg flag.
465         * Makefile.in: Add matrix-reorg.c.
466         * passes.c: Add matrix reorg pass.
467         * varpool.c (add_new_static_var): New function.
468         * cgraph.h (add_new_static_var): Declare.
470 2007-05-27  Eric Christopher  <echristo@apple.com>
472         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
473         sp_offset depending on stack size. Save r12 depending
474         on registers we're saving later.
475         (rs6000_emit_epilogue): Update sp_offset depending only
476         on stack size.
478 2007-05-27  Zdenek Dvorak  <dvorakz@suse.cz>
480         * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
481         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
482         * ifcvt.c (if_convert): Ditto.
483         * tree-ssa-threadupdate.c (thread_block): Ditto.
484         (thread_through_all_blocks): Ditto.  Assert that loops were analysed.
485         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
486         verify_loop_closed_ssa): Check number_of_loops instead of
487         current_loops.
488         * predict.c (tree_estimate_probability): Ditto.
489         * tree-if-conv.c (main_tree_if_conversion): Ditto.
490         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
491         * modulo-sched.c (sms_schedule): Ditto.
492         * tree-scalar-evolution.c (scev_const_prop): Ditto.
493         (scev_finalize): Do not do anything if scev analysis was not
494         initialized.
495         * cfgloopanal.c (mark_irreducible_loops): Do not check whether
496         current_loops == NULL.
497         (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
498         * loop-init.c (loop_optimizer_init): Do not free current_loops when
499         there are no loops.
500         (loop_optimizer_finalize): Assert that loops were analyzed.
501         (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
502         rtl_doloop): Check number_of_loops instead of current_loops.
503         * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
504         current_loops == NULL.
505         (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
506         gate_tree_vectorize tree_linear_transform, check_data_deps,
507         tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
508         tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
509         Check number_of_loops instead of current_loops.
510         (tree_ssa_loop_done): Do not check whether current_loops == NULL.
511         * tree-ssa-pre.c (fini_pre): Do not take do_fre argument.  Always
512         free loops if available.
513         (execute_pre): Do not pass do_fre to fini_pre.
515 2007-05-27  Tobias Burnus  <burnus@net-b.de>
517         PR middle-end/32083
518         * real.c (mpfr_from_real): Fix sign of -Inf.
520 2007-05-27  H.J. Lu  <hongjiu.lu@intel.com>
522         * tree-vect-transform.c (vectorizable_conversion): Initialize
523         tree_code variables to ERROR_MARK.
524         (vectorizable_type_demotion): Likewise.
525         (vectorizable_type_promotion): Likewise.
527 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
529         PR target/32065
530         * config/i386/i386.md (movti): Handle push operands via
531         ix86_expand_push().
533 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
535         * basic-block.h: Remove the prototype for merge_seq_blocks.
536         * cfgcleanup.c (merge_seq_blocks): Remove.
538         * tree-flow.h: Remove the prototype for is_aliased_with.
539         * tree-ssa-alias.c (is_aliased_with): Remove.
541 2007-05-26  H.J. Lu  <hongjiu.lu@intel.com>
543         * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
545         * config/i386/i386.c (ix86_expand_sse4_unpack): New.
547         * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
548         ix86_expand_sse4_unpack if SSE4.1 is enabled.
549         (vec_unpacks_hi_v16qi): Likewise.
550         (vec_unpacku_lo_v16qi): Likewise.
551         (vec_unpacks_lo_v16qi): Likewise.
552         (vec_unpacku_hi_v8hi): Likewise.
553         (vec_unpacks_hi_v8hi): Likewise.
554         (vec_unpacku_lo_v8hi): Likewise.
555         (vec_unpacks_lo_v8hi): Likewise.
556         (vec_unpacku_hi_v4si): Likewise.
557         (vec_unpacks_hi_v4si): Likewise.
558         (vec_unpacku_lo_v4si): Likewise.
559         (vec_unpacks_lo_v4si): Likewise.
561 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
563         * c-typeck.c, config/arm/arm.c, config/darwin.c,
564         config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
565         omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
566         follow spelling conventions in various
567         warning/error/diagnostic messages.
569         * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
570         df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
571         fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
572         tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
573         tree-vrp.c: Fix comment typos.  Follow spelling conventions.
574         * doc/tm.texi: Follow spelling conventions.
576 2007-05-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
578         PR tree-opt/32090
579         * tree-ssa-forwprop.c
580         (forward_propagate_addr_into_variable_array_index): Remove
581         the lhs argument.  Use the type of def_rhs instead of lhs.
582         (forward_propagate_addr_expr_1): Update use of
583         forward_propagate_addr_into_variable_array_index.
585 2007-05-25  Sandra Loosemore  <sandra@codesourcery.com>
586             Nigel Stephens  <nigel@mips.com>
588         * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
589         function attributes, "far" being an alias for "long_call".
590         (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
591         (mips_near_type_p, mips_far_type_p): New.
592         (mips_comp_type_attributes): New function to check that attributes
593         attached to a function type are compatible.
594         (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
595         TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
596         to the target function of the thunk.
597         (mips_encode_section_info): Check for "near" and "far" function
598         attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
600         * config/mips/predicates.md (const_call_insn_operand): Test only
601         SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
603         * doc/extend.texi (Function Attributes): Document MIPS "near" and
604         "far" attributes.
606         * testsuite/gcc.target/mips/near-far-1.c:  New test case.
607         * testsuite/gcc.target/mips/near-far-2.c:  New test case.
608         * testsuite/gcc.target/mips/near-far-3.c:  New test case.
609         * testsuite/gcc.target/mips/near-far-4.c:  New test case.
611 2007-05-25  Eric Christopher  <echristo@apple.com>
613         * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
614         to x86-darwin configurations.
615         * config/i386/t-darwin: Add softfp support.
616         * config/i386/t-darwin64: Ditto.
617         * config/i386/sfp-machine.h: If mach then don't use
618         aliasing, emit a stub to call.
620 2007-05-25  Kazu Hirata  <kazu@codesourcery.com>
622         * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
623         haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
624         tree-predcom.c, tree-ssa-alias-warnings.c,
625         tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
626         comment typos.  Follow spelling conventions.
627         * doc/cpp.texi, doc/invoke.texi: Fix typos.
629 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
631         PR target/32065
632         * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
633         constants into memory.  Expand unaligned memory references for
634         SSE modes via x86_expand_vector_move_misalign() function.
636 2007-05-25  Uros Bizjak  <ubizjak@gmail.com>
638         * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
639         "memory" attribute for "sseishft" type insn without operands[2].
641 2007-05-25  Dirk Mueller  <dmueller@suse.de>
642             Marcus Meissner <meissner@suse.de>
644         * doc/extend.texi (alloc_size): New attribute.
645         * c-common.c (handle_alloc_size_attribute): New.
646         * tree-object-size.c (alloc_object_size): Use alloc_size
647         attribute, if available.
649 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
651         * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
652         with MASK_SSE2.
653         (__builtin_ia32_vec_ext_v2di): Likewise.
654         (__builtin_ia32_vec_ext_v4si): Likewise.
655         (__builtin_ia32_vec_ext_v8hi): Likewise.
656         (__builtin_ia32_vec_ext_v16qi): Likewise.
657         (__builtin_ia32_vec_set_v8hi): Likewise.
659 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
661         * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
663 2007-05-25  Richard Sandiford  <richard@codesourcery.com>
665         * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
666         (arm_is_longcall_p): Rename to...
667         (arm_is_long_call_p): ...this.  Take a single tree argument and
668         return a bool.
669         * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
670         (CUMULATIVE_ARGS): Remove call_cookie.
671         (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
672         (ENCODED_LONG_CALL_ATTR_P): Delete.
673         (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
674         LONG_CALL_FLAG_CHAR cases.
675         (ARM_DECLARE_FUNCTION_SIZE): Delete.
676         * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
677         ARM_DECLARE_FUNCTION_SIZE.
678         * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
679         (arm_function_arg): Return const0_rtx for VOIDmode arguments.
680         (arm_encode_call_attribute, current_file_function_operand): Delete.
681         (arm_function_in_section_p): New function.
682         (arm_is_longcall_p): Rename to...
683         (arm_is_long_call_p): ...this.  Take the target function as a single
684         argument and return a bool.  Do not rely on call cookies.  Check
685         whether the target symbol is in the same section as the current
686         function, not just the same compilation unit.
687         (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
688         (arm_encode_section_info): Don't encode a call type.
689         * config/arm/arm.md (call, call_value): Update calls to
690         arm_is_long(_)call_p.  Simplify logic.
691         (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
692         Update calls to arm_is_long(_)call_p.
694 2007-05-25  Richard Guenther  <rguenther@suse.de>
696         PR tree-optimization/31982
697         * tree-ssa-forwprop.c
698         (forward_propagate_addr_into_variable_array_index): Handle arrays
699         with element size one.
701 2007-05-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
703         * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
704         (umulsi3_highpart): Likewise.
706 2007-05-24  Ian Lance Taylor  <iant@google.com>
708         PR rtl-optimization/32069
709         * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
710         is NULL.
712 2007-05-24  Ollie Wild  <aaw@google.com>
714         * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
715         description.
717 2007-05-24  Richard Sandiford  <rsandifo@nildram.co.uk>
719         * postreload-gcse.c (reg_changed_after_insn_p): New function.
720         (oprs_unchanged_p): Use it to check all registers in a REG.
721         (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
722         (reg_set_between_after_reload_p): Delete.
723         (reg_used_between_after_reload_p): Likewise.
724         (reg_set_or_used_since_bb_start): Likewise.
725         (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
726         and reg_used_between_p instead of reg_set_or_used_since_bb_start.
727         Use reg_set_between_p instead of reg_set_between_after_reload_p.
728         * rtlanal.c (reg_set_p): Check whether REG overlaps
729         regs_invalidated_by_call, rather than just checking the
730         membership of REGNO (REG).
732 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
734         * doc/passes.texi: Document predictive commoning.
735         * doc/invoke.texi (-fpredictive-commoning): Document.
736         * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
737         * tree-ssa-loop-im.c (get_lsm_tmp_name): Export.  Allow
738         adding indices to the generated name.
739         (schedule_sm): Pass 0 to get_lsm_tmp_name.
740         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
741         * tree-pretty-print.c (op_symbol_1): Renamed to ...
742         (op_symbol_code): ... and exported.
743         (dump_omp_clause, op_symbol): Use op_symbol_code
744         instead of op_symbol_1.
745         * tree-pass.h (pass_predcom): Declare.
746         * timevar.def (TV_PREDCOM): New timevar.
747         * tree-ssa-loop.c (run_tree_predictive_commoning,
748         gate_tree_predictive_commoning, pass_predcom): New.
749         * tree-data-ref.c (find_data_references_in_loop): Find the
750         references in dominance order.
751         (canonicalize_base_object_address): Ensure that the result has
752         pointer type.
753         (dr_analyze_innermost): Export.
754         (create_data_ref): Code to fail for references with invariant
755         address moved ...
756         (find_data_references_in_stmt): ... here.
757         * tree-data-ref.h (dr_analyze_innermost): Declare.
758         * tree-affine.c: Include tree-gimple.h and hashtab.h.
759         (aff_combination_find_elt, name_expansion_hash,
760         name_expansion_eq, tree_to_aff_combination_expand,
761         double_int_constant_multiple_p, aff_combination_constant_multiple_p):
762         New functions.
763         * tree-affine.h (aff_combination_constant_multiple_p,
764         tree_to_aff_combination_expand): Declare.
765         * tree-predcom.c: New file.
766         * common.opt (fpredictive-commoning): New option.
767         * tree-flow.h (op_symbol_code, tree_predictive_commoning,
768         stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
769         * Makefile.in (tree-predcom.o): Add.
770         (tree-affine.o): Add TREE_GIMPLE_H dependency.
771         * passes.c (init_optimization_passes):  Add dceloop after
772         copy propagation in loop optimizer.  Add predictive commoning
773         to loop optimizer passes.
775 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
777         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
778         default hook.
780 2007-05-24  Jan Hubicka  <jh@suse.cz>
782         * gengenrtl.c (gendecl, gendef): Output the gens annotated for
783         statistics.
784         (genheader): Include statistics.h.
786         * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
787         notes are gone.
788         * print-rtl.c (flag_dump_unnumbered): Update comments.
789         (print_rtl): Fix my previous change.
790         * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
791         specific data.
793 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
795         PR middle-end/32018
796         * tree-ssa-threadupdate.c (thread_through_loop_header): Use
797         set_loop_copy.
798         (thread_through_all_blocks): Call initialize_original_copy_tables
799         and free_original_copy_tables.
800         * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
801         Use set_loop_copy.
802         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
803         * cfghooks.c (duplicate_block): Use get_loop_copy.
804         * cfg.c: Include cfgloop.h.
805         (loop_copy): New hash table.
806         (initialize_original_copy_tables): Initialize loop_copy table.
807         (free_original_copy_tables): Free loop_copy table.
808         (copy_original_table_clear, copy_original_table_set,
809         set_loop_copy, get_loop_copy): New functions.
810         (set_bb_original, set_bb_copy): Use copy_original_table_set.
811         * cfgloop.h (struct loop): Remove copy field.
812         * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
813         * basic-block.h (set_loop_copy, get_loop_copy): Declare.
815 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
817         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
818         -msse/-msse2/-msse3.
820 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
822         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
823         __builtin_ia32_vec_set_v2di with MASK_64BIT.
825 2007-05-24  Danny Smith  <dannysmith@users.sourceforge.net>
827         PR target/27067
828         * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
829         * targhooks.h (default_mangle_decl_assembler_name): Declare
830         default hook.
831         * targhooks.c (default_mangle_decl_assembler_name): Define
832         default hook.
833         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
834         default hook.
835         * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
836         * langhooks.c (lhd_set_decl_assembler_name): Call
837         targetm.mangle_decl_assembler_name for names with global scope.
839         * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
840         default.
841         (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
842         * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
843         Declare.
844         * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
845         New. Factored out of i386_pe_encode_section_info.
846         (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
847         Move check for prior decoration of stdcall
848         symbols to i386_pe_encode_section_info.
849         (i386_pe_encode_section_info): Adjust call to
850         gen_stdcall_or_fastcall_suffix.  Use
851         i386_pe_maybe_mangle_decl_assembler_name, if needed.
852         (i386_pe_mangle_decl_assembler_name): New. Wrap
853         i386_pe_maybe_mangle_decl_assembler_name.
855 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
857         * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
858         INTEGRAL_TYPE_P and TYPE_UNSIGNED.
859         * langhooks.c (get_signed_or_unsigned_type): Don't check for
860         INTEGRAL_TYPE_P or TYPE_UNSIGNED.
861         (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
862         TYPE_UNSIGNED.
864 2007-05-23  Sandra Loosemore  <sandra@codesourcery.com>
865             Nigel Stephens  <nigel@mips.com>
866             Richard Sandiford  <richard@codesourcery.com>
868         Fix up MIPS16 hard float and add support for complex.
870         * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
871         (TARGET_SOFT_FLOAT_ABI): New.
872         (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
873         __mips_soft_float to reflect the ABI in use, not whether the
874         FPU is directly accessible (e.g., in MIPS16 mode).
875         (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
876         (UNITS_PER_FPVALUE): Likewise.
878         * config/mips/mips.c (mips_expand_call): Remove redundant
879         TARGET_MIPS16 check.
880         (mips_arg_regno): New.
881         (function_arg_advance): When setting bits in cum->fp_code for
882         MIPS16, don't subtract 1 from cum->arg_number, since it is now
883         zero-based.
884         (function_arg): Use mips_arg_regno.
885         (mips_return_mode_in_fpr_p): New.
886         (mips16_call_stub_mode_suffix): New.
887         (mips16_cfun_returns_in_fpr_p): New.
888         (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
889         (mips_output_function_prologue): Test mips16_hard_float, not
890         !TARGET_SOFT_FLOAT, to decide when a function stub is required.
891         (mips_expand_epilogue): Call MIPS16 helper routines to copy
892         return value into a floating-point register.
893         (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
894         (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
895         (mips16_fp_args): Handle MIPS32r2 ISA which supports
896         TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
897         word of double arguments from or to the high bits of 64-bit
898         floating point registers.
899         (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
900         (mips16_fpret_double): New helper function.
901         (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p.  Add
902         support for complex modes.  Fill in DECL_RESULT for stubdecl.
903         (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
905         * config/mips/mips16.S
906         (RET, ARG1, ARG2): New.
907         (MERGE_GPRf, MERGE_GPRt): New.
908         (DELAYt, DELAYf): New.
909         (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
910         (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
911         (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
912         (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
913         (SFOP): Renamed to...
914         (OPSF3): This, and macro-ified.  Updated all uses.
915         (SFOP2): Renamed to...
916         (OPSF2): This, and macro-ified.  Updated all uses.
917         (SFCMP): Renamed to...
918         (CMPSF): This, and macro-ified.  Updated all uses.
919         (SFREVCMP): Renamed to...
920         (REVCMPSF): This, and macro-ified.  Updated all uses.
921         (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
922         (LDDBL1, LDDBL2, RETDBL): Deleted.
923         (DFOP): Renamed to...
924         (OPDF3): This, and macro-ified.  Updated all uses.
925         (DFOP2): Renamed to...
926         (OPDF2): This, and macro-ified.  Updated all uses.
927         (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
928         (DFCMP): Renamed to...
929         (CMPDF): This, and macro-ified.  Updated all uses.
930         (DFREVCMP): Renamed to...
931         (REVCMPDF): This, and macro-ified.  Updated all uses.
932         (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
933         (RET_FUNCTION): New.
934         (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
935         (__mips16_ret_sc, __mips16_ret_dc): New.
936         (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
937         STUB_ARGS_6, STUB_ARGS_10): New.
938         (CALL_STUB_NO_RET): New.
939         (__mips16_call_stub_1): Macro-ified.
940         (__mips16_call_stub_5): Macro-ified.
941         (__mips16_call_stub_2): Macro-ified.
942         (__mips16_call_stub_6): Macro-ified.
943         (__mips16_call_stub_9): Macro-ified.
944         (__mips16_call_stub_10): Macro-ified.
945         (CALL_STUB_RET): New.
946         (__mips16_call_stub_sf_0): Macro-ified.
947         (__mips16_call_stub_sf_1): Macro-ified.
948         (__mips16_call_stub_sf_5): Macro-ified.
949         (__mips16_call_stub_sf_2): Macro-ified.
950         (__mips16_call_stub_sf_6): Macro-ified.
951         (__mips16_call_stub_sf_9): Macro-ified.
952         (__mips16_call_stub_sf_10): Macro-ified.
953         (__mips16_call_stub_df_0): Macro-ified.
954         (__mips16_call_stub_df_1): Macro-ified.
955         (__mips16_call_stub_df_5): Macro-ified.
956         (__mips16_call_stub_df_2): Macro-ified.
957         (__mips16_call_stub_df_6): Macro-ified.
958         (__mips16_call_stub_df_9): Macro-ified.
959         (__mips16_call_stub_df_10): Macro-ified.
960         (__mips16_call_stub_sc_0): New.
961         (__mips16_call_stub_sc_1): New.
962         (__mips16_call_stub_sc_5): New.
963         (__mips16_call_stub_sc_2): New.
964         (__mips16_call_stub_sc_6): New.
965         (__mips16_call_stub_sc_9): New.
966         (__mips16_call_stub_sc_10): New.
967         (__mips16_call_stub_dc_0): New.
968         (__mips16_call_stub_dc_1): New.
969         (__mips16_call_stub_dc_5): New.
970         (__mips16_call_stub_dc_2): New.
971         (__mips16_call_stub_dc_6): New.
972         (__mips16_call_stub_dc_9): New.
973         (__mips16_call_stub_dc_10): New.
975         * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
976         * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
977         * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
979 2007-05-23  Ian Lance Taylor  <iant@google.com>
981         * doc/invoke.texi (Invoking GCC): Document that the order of the
982         -l option matters.
984 2007-05-23  Chen Liqin  <liqin@sunnorth.com.cn>
986         PR target/30987
987         * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
988         * config/score/predicate.md (const_pow2, const_npow2): Remove.
989         * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
990         undef.
992         PR target/30474
993         * config/score/score.c (score_print_operand): Make sure that only
994         lower bits are used.
996 2007-05-22  Ian Lance Taylor  <iant@google.com>
998         * tree-vrp.c (avoid_overflow_infinity): New static function,
999         broken out of set_value_range_to_value.
1000         (set_value_range_to_value): Call avoid_overflow_infinity.
1001         (extract_range_from_assert): Likewise.
1003 2007-05-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1005         PR middle-end/31095
1006          * builtins.c (expand_builtin_memmove_args): Strip nops that don't
1007         change the type before looking for a COMPOUND_EXPR.
1009 2007-05-22  Ian Lance Taylor  <iant@google.com>
1011         * lower-subreg.c (decompose_multiword_subregs): If we change an
1012         insn, call remove_retval_note on it.
1014 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1016         * regs.h (end_hard_regno): New function.
1017         (END_HARD_REGNO, END_REGNO): New macros.
1018         (add_to_hard_reg_set): New function.
1019         (remove_from_hard_reg_set): Likewise.
1020         (in_hard_reg_set_p): Likewise.
1021         (overlaps_hard_reg_set_p): Likewise.
1022         * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
1023         (note_btr_set): Use END_HARD_REGNO.
1024         * caller-save.c (setup_save_areas): Use end_hard_regno.
1025         (mark_set_regs): Use END_HARD_REGNO.
1026         (add_stored_regs): Use end_hard_regno.
1027         (mark_referenced_regs): Use add_to_hard_reg_set.
1028         * combine.c (update_table_tick): Use END_REGNO.
1029         (record_value_for_reg): Likewise.
1030         (record_dead_and_set_regs): Likewise.
1031         (get_last_value_validate): Likewise.
1032         (use_crosses_set_p): Likewise.
1033         (reg_dead_at_p_1): Likewise.
1034         (reg_dead_at_p): Likewise.
1035         (mark_used_regs_combine): Use add_to_hard_reg_set.
1036         (move_deaths): Use END_HARD_REGNO.
1037         (reg_bitfield_target_p): Use end_hard_regno.
1038         (distribute_notes): Use END_HARD_REGNO.
1039         * cse.c (mention_regs): Use END_REGNO.
1040         (insert): Use add_to_hard_reg_set.
1041         (invalidate): Use END_HARD_REGNO.
1042         (invalidate_for_call): Likewise.
1043         (exp_equiv_p): Use END_REGNO.
1044         (cse_insn): Likewise.
1045         * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
1046         * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
1047         * df-scan.c (df_ref_record): Use END_HARD_REGNO.
1048         * function.c (keep_stack_depressed): Use end_hard_regno.
1049         * global.c (global_alloc): Use end_hard_regno.
1050         (global_conflicts): Use add_to_hard_reg_set instead of
1051         mark_reg_live_nc.
1052         (find_reg): Likewise.
1053         (mark_reg_store): Likewise.
1054         (mark_reg_conflicts): Likewise.
1055         (mark_reg_death): Use remove_from_hard_reg_set.
1056         (mark_reg_live_nc): Delete.
1057         (set_preference): Use end_hard_regno.
1058         * local-alloc.c (mark_life): Use add_to_hard_reg_set and
1059         remove_from_hard_reg_set.
1060         (post_mark_life): Use add_to_hard_reg_set.
1061         * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
1062         (reg_becomes_live): Use add_to_hard_reg_set.
1063         * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
1064         (peep2_find_free_register): Use add_to_hard_reg_set.
1065         * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
1066         * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
1067         * regrename.c (note_sets): Use add_to_hard_reg_set.
1068         (clear_dead_regs): Use remove_from_hard_reg_set.
1069         (regrename_optimize): Use add_to_hard_reg_set.
1070         (find_oldest_value_reg): Use in_hard_reg_set_p.
1071         * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
1072         (hard_reg_set_here_p): Use end_hard_regno.
1073         (decompose): Likewise.
1074         (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
1075         (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
1076         * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
1077         (mark_home_live): Use end_hard_regno.
1078         (spill_hard_reg): Likewise.
1079         (clear_reload_reg_in_use): Likewise.
1080         * reorg.c (delete_prior_computation): Use END_REGNO.
1081         * resource.c (update_live_status): Use END_HARD_REGNO.
1082         (mark_referenced_resources): Use add_to_hard_reg_set.
1083         (mark_set_resources): Likewise.
1084         (mark_target_live_regs): Likewise.  Use remove_from_hard_reg_set.
1085         * rtlanal.c (refers_to_regno_p): Use END_REGNO.
1086         (reg_overlap_mentioned_p): Likewise.
1087         (dead_or_set_p): Likewise.  Use an exclusive upper loop bound.
1088         (covers_regno_no_parallel_p): Use END_REGNO.
1089         (find_regno_note): Likewise.
1090         (find_reg_fusage): Use END_HARD_REGNO.
1091         * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
1092         * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
1094 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1096         * mode-switching.c (reg_dies): Change type of second argument to
1097         "HARD_REG_SET *".
1098         (optimize_mode_switching): Update accordingly.
1100 2007-05-22  Richard Sandiford  <richard@codesourcery.com>
1102         * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
1103         in favor of...
1104         (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
1105         (hard_reg_set_empty_p): ...these new functions.
1106         * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
1107         GO_IF_HARD_REG_SUBSET.
1108         * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
1109         instead of GO_IF_HARD_REG_EQUAL.
1110         * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
1111         instead of GO_IF_HARD_REG_EQUAL.
1112         * global.c (find_reg): Use hard_reg_set_empty_p instead of
1113         GO_IF_HARD_REG_SUBSET.
1114         (modify_reg_pav): Use hard_reg_set_empty_p instead of
1115         GO_IF_HARD_REG_EQUAL.
1116         * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
1117         of GO_IF_HARD_REG_SUBSET.
1118         * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
1119         instead of GO_IF_HARD_REG_EQUAL.
1120         * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
1121         hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
1122         (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
1123         of GO_IF_HARD_REG_SUBSET,
1124         * reload1.c (finish_spills): Use hard_reg_subset_p instead of
1125         GO_IF_HARD_REG_SUBSET.
1126         * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
1127         instead of GO_IF_HARD_REG_EQUAL.
1128         * config/sh/sh.c (push_regs, calc_live_regs): Use
1129         hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
1130         (hard_regs_intersect_p): Delete.
1132 2007-05-22  Janis Johnson  <janis187@us.ibm.com>
1134         * doc/sourcebuild.texi (Test Directives) Add dg-message.
1136 2007-05-22  H.J. Lu  <hongjiu.lu@intel.com>
1137             Richard Henderson  <rth@redhat.com>
1139         * config.gcc (i[34567]86-*-*): Add smmintrin.h to
1140         extra_headers.
1141         (x86_64-*-*): Likewise.
1143         * i386/i386-modes.def (V2QI): New.
1145         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
1146         SSE4A.
1147         (override_options): Support SSE4.1.
1148         (IX86_BUILTIN_BLENDPD): New for SSE4.1.
1149         (IX86_BUILTIN_BLENDPS): Likewise.
1150         (IX86_BUILTIN_BLENDVPD): Likewise.
1151         (IX86_BUILTIN_BLENDVPS): Likewise.
1152         (IX86_BUILTIN_PBLENDVB128): Likewise.
1153         (IX86_BUILTIN_PBLENDW128): Likewise.
1154         (IX86_BUILTIN_DPPD): Likewise.
1155         (IX86_BUILTIN_DPPS): Likewise.
1156         (IX86_BUILTIN_INSERTPS128): Likewise.
1157         (IX86_BUILTIN_MOVNTDQA): Likewise.
1158         (IX86_BUILTIN_MPSADBW128): Likewise.
1159         (IX86_BUILTIN_PACKUSDW128): Likewise.
1160         (IX86_BUILTIN_PCMPEQQ): Likewise.
1161         (IX86_BUILTIN_PHMINPOSUW128): Likewise.
1162         (IX86_BUILTIN_PMAXSB128): Likewise.
1163         (IX86_BUILTIN_PMAXSD128): Likewise.
1164         (IX86_BUILTIN_PMAXUD128): Likewise.
1165         (IX86_BUILTIN_PMAXUW128): Likewise.
1166         (IX86_BUILTIN_PMINSB128): Likewise.
1167         (IX86_BUILTIN_PMINSD128): Likewise.
1168         (IX86_BUILTIN_PMINUD128): Likewise.
1169         (IX86_BUILTIN_PMINUW128): Likewise.
1170         (IX86_BUILTIN_PMOVSXBW128): Likewise.
1171         (IX86_BUILTIN_PMOVSXBD128): Likewise.
1172         (IX86_BUILTIN_PMOVSXBQ128): Likewise.
1173         (IX86_BUILTIN_PMOVSXWD128): Likewise.
1174         (IX86_BUILTIN_PMOVSXWQ128): Likewise.
1175         (IX86_BUILTIN_PMOVSXDQ128): Likewise.
1176         (IX86_BUILTIN_PMOVZXBW128): Likewise.
1177         (IX86_BUILTIN_PMOVZXBD128): Likewise.
1178         (IX86_BUILTIN_PMOVZXBQ128): Likewise.
1179         (IX86_BUILTIN_PMOVZXWD128): Likewise.
1180         (IX86_BUILTIN_PMOVZXWQ128): Likewise.
1181         (IX86_BUILTIN_PMOVZXDQ128): Likewise.
1182         (IX86_BUILTIN_PMULDQ128): Likewise.
1183         (IX86_BUILTIN_PMULLD128): Likewise.
1184         (IX86_BUILTIN_ROUNDPD): Likewise.
1185         (IX86_BUILTIN_ROUNDPS): Likewise.
1186         (IX86_BUILTIN_ROUNDSD): Likewise.
1187         (IX86_BUILTIN_ROUNDSS): Likewise.
1188         (IX86_BUILTIN_PTESTZ): Likewise.
1189         (IX86_BUILTIN_PTESTC): Likewise.
1190         (IX86_BUILTIN_PTESTNZC): Likewise.
1191         (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
1192         (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
1193         (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
1194         (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
1195         (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
1196         (bdesc_ptest): New.
1197         (bdesc_sse_3arg): Likewise.
1198         (bdesc_2arg): Likewise.
1199         (bdesc_1arg): Likewise.
1200         (ix86_init_mmx_sse_builtins): Support SSE4.1.  Handle SSE builtins
1201         with 3 args.
1202         (ix86_expand_sse_4_operands_builtin): New.
1203         (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
1204         smaller than 8 bits as the 2nd arg.
1205         (ix86_expand_sse_ptest): New.
1206         (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
1207         (ix86_expand_vector_set): Support SSE4.1.
1208         (ix86_expand_vector_extract): Likewise.
1210         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
1211         __SSE4_1__ for -msse4.1.
1213         * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
1214         (UNSPEC_INSERTPS): Likewise.
1215         (UNSPEC_DP): Likewise.
1216         (UNSPEC_MOVNTDQA): Likewise.
1217         (UNSPEC_MPSADBW): Likewise.
1218         (UNSPEC_PHMINPOSUW): Likewise.
1219         (UNSPEC_PTEST): Likewise.
1220         (UNSPEC_ROUNDP): Likewise.
1221         (UNSPEC_ROUNDS): Likewise.
1223         * config/i386/i386.opt (msse4.1): New for SSE4.1.
1225         * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
1226         (const_pow2_1_to_32768_operand): Likewise.
1228         * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
1229         file.
1231         * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
1232         SSE4.1.
1233         (sse4_1_insertps): Likewise.
1234         (*sse4_1_extractps): Likewise.
1235         (sse4_1_ptest): Likewise.
1236         (sse4_1_mulv2siv2di3): Likewise.
1237         (*sse4_1_mulv4si3): Likewise.
1238         (*sse4_1_smax<mode>3): Likewise.
1239         (*sse4_1_umax<mode>3): Likewise.
1240         (*sse4_1_smin<mode>3): Likewise.
1241         (*sse4_1_umin<mode>3): Likewise.
1242         (sse4_1_eqv2di3): Likewise.
1243         (*sse4_1_pinsrb): Likewise.
1244         (*sse4_1_pinsrd): Likewise.
1245         (*sse4_1_pinsrq): Likewise.
1246         (*sse4_1_pextrb): Likewise.
1247         (*sse4_1_pextrb_memory): Likewise.
1248         (*sse4_1_pextrw_memory): Likewise.
1249         (*sse4_1_pextrq): Likewise.
1250         (sse4_1_blendpd): Likewise.
1251         (sse4_1_blendps): Likewise.
1252         (sse4_1_blendvpd): Likewise.
1253         (sse4_1_blendvps): Likewise.
1254         (sse4_1_dppd): Likewise.
1255         (sse4_1_dpps): Likewise.
1256         (sse4_1_movntdqa): Likewise.
1257         (sse4_1_mpsadbw): Likewise.
1258         (sse4_1_packusdw): Likewise.
1259         (sse4_1_pblendvb): Likewise.
1260         (sse4_1_pblendw): Likewise.
1261         (sse4_1_phminposuw): Likewise.
1262         (sse4_1_extendv8qiv8hi2): Likewise.
1263         (*sse4_1_extendv8qiv8hi2): Likewise.
1264         (sse4_1_extendv4qiv4si2): Likewise.
1265         (*sse4_1_extendv4qiv4si2): Likewise.
1266         (sse4_1_extendv2qiv2di2): Likewise.
1267         (*sse4_1_extendv2qiv2di2): Likewise.
1268         (sse4_1_extendv4hiv4si2): Likewise.
1269         (*sse4_1_extendv4hiv4si2): Likewise.
1270         (sse4_1_extendv2hiv2di2): Likewise.
1271         (*sse4_1_extendv2hiv2di2): Likewise.
1272         (sse4_1_extendv2siv2di2): Likewise.
1273         (*sse4_1_extendv2siv2di2): Likewise.
1274         (sse4_1_zero_extendv8qiv8hi2): Likewise.
1275         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
1276         (sse4_1_zero_extendv4qiv4si2): Likewise.
1277         (*sse4_1_zero_extendv4qiv4si2): Likewise.
1278         (sse4_1_zero_extendv2qiv2di2): Likewise.
1279         (*sse4_1_zero_extendv2qiv2di2): Likewise.
1280         (sse4_1_zero_extendv4hiv4si2): Likewise.
1281         (*sse4_1_zero_extendv4hiv4si2): Likewise.
1282         (sse4_1_zero_extendv2hiv2di2): Likewise.
1283         (*sse4_1_zero_extendv2hiv2di2): Likewise.
1284         (sse4_1_zero_extendv2siv2di2): Likewise.
1285         (*sse4_1_zero_extendv2siv2di2): Likewise.
1286         (sse4_1_roundpd): Likewise.
1287         (sse4_1_roundps): Likewise.
1288         (sse4_1_roundsd): Likewise.
1289         (sse4_1_roundss): Likewise.
1290         (mulv4si3): Don't expand for SSE4.1.
1291         (smax<mode>3): Likewise.
1292         (umaxv4si3): Likewise.
1293         (uminv16qi3): Likewise.
1294         (umin<mode>3): Likewise.
1295         (umaxv8hi3): Rewrite.  Only enabled for SSE4.1.
1297         * doc/extend.texi: Document SSE4.1 built-in functions.
1299         * doc/invoke.texi: Document -msse4.1.
1301 2007-05-22  Nathan Sidwell  <nathan@codesourcery.com>
1303         * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
1304         * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
1305         * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
1306         (ASM_SPEC): Add asm_pcrel_spec.
1307         (EXTRA_SPECS): Add asm_pcrel_spec.
1309 2007-05-21  David Daney  <ddaney@avtrex.com>
1311         * doc/install.texi (Building a cross compiler): Add requirements
1312         for Java cross compiler.
1314 2007-05-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1316         PR middle-end/31995
1317         * tree-chrec.c (evolution_function_is_affine_multivariate_p):
1318         Add loopno argument.  Use evolution_function_is_invariant_rec_p
1319         instead of evolution_function_is_constant_p.
1320         Update calls to evolution_function_is_affine_multivariate_p.
1321         * tree-chrec.h (evolution_function_is_affine_multivariate_p):
1322         Add loopno argument.
1323         * tree-scalar-evolution.c (gather_chrec_stats): Call
1324         evolution_function_is_affine_multivariate_p with a loop
1325         number of 0.
1326         * tree-data-ref.c (analyze_miv_subscript): Likewise.
1327         (analyze_overlapping_iterations): Likewise.
1328         (access_functions_are_affine_or_constant_p): Likewise.
1329         (build_classic_dist_vector_1): If the access functions
1330         are equal, don't do anything.
1332 2007-05-21  Paolo Bonzini  <bonzini@gnu.org>
1333             Paolo Carlini  <pcarlini@suse.de>
1334             Uros Bizjak  <ubizjak@gmail.com>
1336         * c-cppbuiltin.c (c_cpp_builtins): Define
1337         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
1338         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
1339         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
1340         * doc/cpp.texi ([Standard Predefined Macros]): Document.
1342 2007-05-21  Mike Stump  <mrs@apple.com>
1344         * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
1345         handling as well.
1346         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
1348 2007-05-21  Uros Bizjak  <ubizjak@gmail.com>
1350         * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
1351         implementation if __OPTIMIZE__ is not defined.
1352         (_mm_alignr_pi8): Ditto.
1353         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
1354         (_mm_inserti_si64): Ditto.
1355         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
1356         (_mm_slli_epi16): Ditto.
1357         (_mm_slli_epi32): Ditto.
1358         (_mm_slli_epi64): Ditto.
1359         (_mm_srai_epi16): Ditto.
1360         (_mm_srai_epi32): Ditto.
1361         (_mm_srli_si128): Ditto.
1362         (_mm_slli_si128): Ditto.
1363         (_mm_srli_epi16): Ditto.
1364         (_mm_srli_epi32): Ditto.
1365         (_mm_srli_epi64): Ditto.
1366         (_mm_extract_epi16): Ditto.
1367         (_mm_insert_epi16): Ditto.
1368         (_mm_shufflehi_epi16): Ditto.
1369         (_mm_shufflelo_epi16): Ditto.
1370         (_mm_shuffle_epi32): Ditto.
1371         * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
1372         (_m_pextrw): Ditto.
1373         (_mm_insert_pi16): Ditto.
1374         (_m_pinsrw): Ditto.
1375         (_mm_shuffle_pi16): Ditto.
1376         (_m_pshufw): Ditto.
1377         (_mm_shufle_ps): Ditto.
1378         (_mm_prefetch): Ditto.
1380 2007-05-21  Andreas Krebbel  <krebbel1@de.ibm.com>
1382         * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
1383         * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
1384         * real.c (encode_i370_single, decode_i370_single,
1385         encode_i370_double, decode_i370_double): Functions removed.
1386         (i370_single_format, i370_double_format): Initializations removed.
1387         (real_maxval, round_for_format, exact_real_truncate, significand_size):
1388         Consider the log2_b field to always be one.
1389         (ieee_single_format, mips_single_format, coldfire_single_format,
1390         ieee_double_format, mips_double_format, coldfire_double_format,
1391         ieee_extended_motorola_format, ieee_extended_intel_96_format,
1392         ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
1393         ibm_extended_format, mips_extended_format, ieee_quad_format,
1394         mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
1395         decimal_single_format, decimal_double_format, decimal_quad_format,
1396         c4x_single_format, c4x_extended_format, real_internal_format): Remove
1397         initialization of log2_b.
1398         * real.h (i370_single_format, i370_double_format): Declarations removed.
1399         * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
1400         field to always be one.
1402 2007-05-21  Andreas Schwab  <schwab@suse.de>
1404         * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
1405         NOTE_INSN_BASIC_BLOCK_P.
1406         (process_for_unwind_directive): Likewise.
1408 2007-05-21  Nathan Sidwell  <nathan@codesourcery.com>
1410         * builtins.c (expand_builtin_setjmp_setup): Update comment.
1411         * function.h (struct function): Move va_list_gpr_size,
1412         va_list_fpr_size, function_frequency to front of bitfields.  Add
1413         calls_unwind_init.
1414         (current_function_calls_unwind_init): New.
1415         * except.c (expand_builtin_unwind_init): Set
1416         current_function_calls_unwind_init not
1417         current_function_has_nonlocal_label.
1418         * reload1.c (has_nonexceptional_receiver): New.
1419         (reload): Use it and current_function_calls_unwind_init to
1420         determine whether call-saved regs must be saved.
1422 2007-05-20  Jan Hubicka  <jh@suse.cz>
1424         * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
1425         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
1426         * ddg.c (create_ddg): LIkewise.
1427         * final.c (final): Remove hunk moving line numbernotes around since
1428         they are no longer present at this stage.
1429         (final_scan_insn): Use NOTE_KIND instead of
1430         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
1431         (output_asm_label): Likewise.
1432         * reorg.c (dbr_schedule): Likewise.
1433         * haifa-sched.c (unlink_other_notes): Likewise.
1434         * mode-switching.c (optimize_mode_switching): Likewise.
1435         * graph.c (start_bb): Likewise.
1436         * rtl.def (NOTE): Update description.
1437         * jump.c (squeeze_notes): Delete.
1438         (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
1439         NOTE_INSN_BASIC_BLOCK_P when possible.
1440         * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
1441         * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
1442         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
1443         (dwarf2out_var_location): Likewise.
1444         * cfgbuild.c (make_edges): Likewise.
1445         (find_basic_blocks_1): Likewise.
1446         * function.c (reorder_blocks_1): Likewise.
1447         (epilogue_done): Likewise.
1448         (reposition_prologue_and_epilogue_notes): Likewise.
1449         * print-rtl.c (print_rtx): Likewise; drop code for printing line number
1450         notes.
1451         (print_rtl): Likewise.
1452         (print_rtl_single): Likewise.
1453         * gcse.c (insert_insn_start_bb): Likewise.
1454         * alias.c (init_alias_analysis): Likewise.
1455         * calls.c (fixup_tail_calls): Likewise.
1456         * except.c (sjlj_emit_function_enter): Likewise.
1457         * emit-rtl.c (add_insn_after): Likeiwse.
1458         (emit_label_before): Likewise.
1459         (emit_label_after): Likewise.
1460         (emit_note_before, emit_note_after, emit_note): Update
1461         parameter to be enum insn_note; do not deal with source
1462         files.
1463         * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
1464         Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
1465         when possible.
1466         (merge_blocks_move_successor_nojumps): Simplify now when
1467         we don't have BLOCK notes.
1468         (try_optimize_cfg): Likewise.
1469         * cfglayout.c (skip_insns_after_block): Likewise.
1470         (record_effective_endpoints): Likewise.
1471         (duplicate_insn_chain): Likewise.
1472         * varasm.c (output_constant_pool_1): Likewise.
1473         * sched-deps.c (sched_analyze): Likewise.
1474         * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
1475         Exterminate.
1476         (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
1477         * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
1478         (SET_INSN_DELETED): Simplify.
1479         (NOTE_LINE_NUMBER): Exterminate.
1480         (NOTE_LINE_KIND): New.
1481         (NOTE_INSN_BASIC_BLOCK_P): Update.
1482         (enum insn_note): Simplify.
1483         (GET_NOTE_INSN_NAME) Simplify.
1484         (emit_note_before, emit_note_after, emit_note): Update prototype.
1485         (squeeze_notes): Remove.
1486         * sched-int.h (NOTE_NOT_BB_P): Update.
1487         * resource.c (mark_target_live_regs): Update.
1488         * sched-rgn.c (debug_dependencies): Update.
1489         * sched-vis.c (print_insn): Update.
1490         * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
1491         * config/i386/i386.c (ix86_output_function_epilogue): Update.
1492         * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
1493         (TARGET_ADJUST_UNROLL_MAX): Likewise.
1494         (split_branches): Update.
1495         (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
1496         4.0.0.
1497         (sh_adjust_unroll_max): Exterminate.
1498         * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
1499         * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
1500         (m68hc11_reorg): Likewise.
1501         * config/ia64/ia64.c (emit_insn_group_barriers): Update.
1502         (emit_predicate_relation_info): Update.
1503         (process_for_unwind_directive): Update.
1504         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
1505         (output_call): Update.
1506         * config/pa/pa.c (output_lbranch): Update.
1507         (output_millicode_call): Update.
1508         (output_call): Update.
1509         (pa_combine_instructions): Update.
1510         * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
1511         * config/bfin/bfin.c (gen_one_bundle): Update.
1512         * cfgrtl.c (can_delete_note_p): Update.
1513         (delete_insn): Update.
1514         (rtl_merge_blocks): Update.
1515         (commit_one_edge_insertion): Update.
1516         (rtl_verify_flow_info): Update.
1517         * stmt.c (expand_case): Do not call squeeze_notes.
1519 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1521         PR middle-end/7651
1522         PR c++/11856
1523         PR c/12963
1524         PR c/23587
1525         PR other/29694
1526         * c.opt (Wtype-limits): New.
1527         * doc/invoke.texi (Wtype-limits): Document it.
1528         (Wextra): Enabled by -Wextra.
1529         * c-opts.c (c_common_post_options): Enabled by -Wextra.
1530         * c-common.c (shorten_compare): Warn with Wtype-limits.
1532 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
1534         * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
1535         inlined function, not as a macro.
1536         (_mm_alignr_pi8): Ditto.
1537         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
1538         (_mm_inserti_si64): Ditto.
1539         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
1540         (_mm_extract_epi16): Ditto.
1541         (_mm_insert_epi16): Ditto.
1542         (_mm_shufflehi_epi16): Ditto.
1543         (_mm_shufflelo_epi16): Ditto.
1544         (_mm_shuffle_epi32): Ditto.
1545         * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
1546         * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
1547         all functions.
1548         (_m_from_float): Add __extension__ to conversion.  Use 0.0f for
1549         float constant.
1550         (_m_to_float): Use C89 compatible assignment.
1552 2007-04-20  Martin Michlmayr  <tbm@cyrius.com>
1554         PR target/32007
1555         * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
1557 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1559         PR middle-end/7651
1560         * doc/invoke.texi (Wreturn-type): Complete description.
1561         (Wextra): Delete item about return-type warning.
1562         * c-decl.c: Delete redundant Wextra warning.
1564 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
1566         PR target/31585
1567         * config/i386/pmmintrin.h: Do not include xmmintrin.h
1568         * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
1569         inlined function, not as a macro.
1570         (_mm_prefetch): Ditto.
1571         (_m_pextrw): Ditto.
1572         (_mm_insert_pi16): Ditto.
1573         (_m_pinsrw): Ditto.
1574         (_mm_shuffle_pi16): Ditto.  Add const to __N argument.
1575         (_m_pshufw): Ditto. Add const to __N argument.
1576         (_mm_shufle_ps): Ditto.  Add const to __mask argument.
1577         * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
1578         (_mm_slli_epi32): Ditto.
1579         (_mm_srli_si128): Implement as always inlined function, not as a macro.
1580         Add __inline to function declaration.
1581         (_mm_slli_si128): Ditto.
1583 2007-05-19  Uros Bizjak  <ubizjak@gmail.com>
1585         * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
1586         FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
1587         New constants.
1588         (struct fenv): New structure.
1589         (FP_HANDLE_EXCEPTIONS): New define.
1590         (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
1591         (_FP_DECL_EXP): New define.
1592         (FP_INIT_ROUNDMODE): New define.
1593         (FP_ROUNDMODE): New define.
1595 2007-05-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1597         * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
1598         (Wconversion): Update description.
1599         (Wconversion-sign): New.
1600         * c.opt (Wconversion-sign): New.
1601         * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
1602         means disabled for C++. Otherwise, take the status of Wconversion.
1603         * c-common.c (conversion_warning): Warn with either Wconversion or
1604         Wconversion-sign.
1605         (warnings_for_convert_and_check): Conditions are already checked by
1606         conversion_warning.
1607         (convert_and_check): Don't check warnings if the conversion failed.
1609 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
1610            Anatoly Sokolov <aesok@dol.ru>
1612         * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
1613         avr_epilogue_uses) : Add declaration.
1614         * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
1615         * config/avr/constraints.md (R): New constraint.
1616         config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
1617         UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
1618         (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
1619         (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
1620         (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
1621         call_prologue_saves, epilogue_restores, return_from_epilogue,
1622         return_from_main_epilogue, return_from_interrupt_epilogue,
1623         return_from_naked_epilogue, prologue, epilogue): New patterns.
1624         (jump): Handle symbol reference.
1625         * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
1626         avr_output_function_prologue, avr_output_function_epilogue): Remove
1627         functions.
1628         (avr_init_machine_status, expand_prologue, expand_epilogue,
1629         avr_asm_function_end_prologue, avr_epilogue_uses,
1630         avr_asm_function_begin_epilogue): New functions.
1631         (prologue_size, epilogue_size, jump_tables_size): Remove global
1632         variables.
1633         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
1634         (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
1635         (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
1636         (avr_override_options): Initialise init_machine_status.
1637         (output_movhi): Handle all stack pointer loads.
1638         (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
1639         (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
1640         * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
1641         (EPILOGUE_USES) Redefine.
1642         (machine_function) Declare.
1644 2007-05-19  Richard Sandiford  <richard@codesourcery.com>
1646         * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
1647         Use a single return statement.
1649 2007-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1651         PR middle-end/30250
1652         * builtins.c (do_mpfr_lgamma_r): New.
1653         (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
1654         * tree.h (CASE_FLT_FN_REENT): New.
1656 2007-05-18  Geoffrey Keating  <geoffk@apple.com>
1658         * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
1659         (output_die): Use 'unsigned long' with %x.
1660         * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
1661         HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
1662         * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
1664         * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
1666 2007-05-18  H.J. Lu  <hongjiu.lu@intel.com>
1668         PR target/31989
1669         PR target/31681
1670         PR target/31666
1671         * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
1672         true if function has no argument.
1674 2007-05-18  DJ Delorie  <dj@redhat.com>
1676         * config/mips/mips.c (mips_offset_within_alignment_p): New.
1677         (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
1679 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
1681         * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
1682         sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
1683         count_trailing_zeros.
1684         (__i386__): Implement count_leading_zeros using __builtin_clz().
1685         Implement count_trailing_zeros usign __builtin_ctz().
1687 2007-05-18  Richard Sandiford  <richard@codesourcery.com>
1689         * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
1691 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
1693         PR middle-end/31344
1694         * expr.c (emit_move_change_mode): Change mode of push operands here.
1696 2007-05-17  Ian Lance Taylor  <iant@google.com>
1698         PR tree-optimization/31953
1699         * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
1700         Change all callers.
1701         (set_value_range_to_null): Call set_value_range_to_value.
1702         (extract_range_from_comparison): Likewise.
1704 2007-05-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1706         * toplev.c (print_version): Output GMP/MPFR version info.
1708         * builtins.c (CASE_MATHFN_REENT): New macro.
1709         (mathfn_built_in): Use it.
1710         * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
1711         BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
1712         BUILT_IN_LGAMMAL_R): New.
1713         * doc/extend.texi: Document new builtins.
1715         PR middle-end/31796
1716         * builtins.c (do_mpfr_remquo): New.
1717         (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
1718         (fold_builtin_3): Handle BUILT_IN_REMQUO.
1720         PR middle-end/30251
1721         * builtins.c (fold_builtin_1): Handle y0, y1.
1722         (fold_builtin_2): Handle yn.
1724         PR middle-end/30251
1725         * builtins.c (do_mpfr_bessel_n): New.
1726         (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
1727         (fold_builtin_2): Handle BUILT_IN_JN.
1729 2007-05-17  Danny Smith  <dannysmith@users.sourceforge.net>
1731         PR target/31965
1732         * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
1733         TYPE_PRECISION (intmax_type_node).
1735 2007-05-17  Steve Ellcey  <sje@cup.hp.com>
1737         PR target/31850
1738         * reload.c (subst_reloads): Remove checking.
1740 2007-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
1742         PR rtl-optimization/31691
1743         * combine.c (simplify_set): Build a new src pattern instead of
1744         substituting its operands in the COMPARE case.
1746 2007-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
1748         * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
1749         (execute_vrp): Preserve loops through jump threading.
1750         * tree-ssa-threadupdate.c (thread_single_edge,
1751         dbds_continue_enumeration_p, determine_bb_domination_status,
1752         thread_through_loop_header): New functions.
1753         (create_edge_and_update_destination_phis,
1754         create_edge_and_update_destination_phis): Set loops for the new blocks.
1755         (prune_undesirable_thread_requests): Removed.
1756         (redirect_edges): Do not pretend that redirect_edge_and_branch can
1757         create new blocks.
1758         (thread_block): Do not call prune_undesirable_thread_requests.
1759         Update loops.
1760         (mark_threaded_blocks): Select edges to thread here.
1761         (thread_through_all_blocks): Take may_peel_loop_headers argument.
1762         Thread edges through loop headers independently.
1763         * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
1764         * tree-pass.h (TODO_mark_first_instance): New.
1765         (first_pass_instance): Declare.
1766         * cfghooks.c (duplicate_block): Put the block to the original loop
1767         if copy is not specified.
1768         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
1769         jump threading.  Pass may_peel_loop_headers to
1770         thread_through_all_blocks according to first_pass_instance.
1771         * cfgloop.h (create_preheader): Declare.
1772         * tree-flow.h (thread_through_all_blocks): Declaration changed.
1773         * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
1774         * passes.c (first_pass_instance): New variable.
1775         (next_pass_1): Set TODO_mark_first_instance.
1776         (execute_todo): Set first_pass_instance.
1778 2007-05-17  Uros Bizjak  <ubizjak@gmail.com>
1780         PR tree-optimization/24659
1781         * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
1782         OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
1783         OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
1784         OTI_vec_pack_ufix_trunc.
1785         (vec_unpacks_float_hi_optab): Define new macro.
1786         (vec_unpacks_float_lo_optab): Ditto.
1787         (vec_unpacku_float_hi_optab): Ditto.
1788         (vec_unpacku_float_lo_optab): Ditto.
1789         (vec_pack_sfix_trunc_optab): Ditto.
1790         (vec_pack_ufix_trunc_optab): Ditto.
1791         * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
1792         and vec_pack_[s|u]fix_trunc_optab using
1793         vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
1794         * tree-vectorizer.c (supportable_widening_operation): Handle
1795         FLOAT_EXPR and CONVERT_EXPR.  Update comment.
1796         (supportable_narrowing_operation): New function.
1797         * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
1798         * tree-vect-transform.c (vectorizable_conversion): Handle
1799         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
1800         (vect_gen_widened_results_half): Move before vectorizable_conversion.
1801         (vectorizable_type_demotion): Call supportable_narrowing_operation()
1802         to check for target support.
1803         * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
1804         for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
1805         for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
1806         for VEC_PACK_FIX_TRUNC_EXPR.
1807         (expand_binop): Special case mode of the result for
1808         vec_pack_[u|s]fix_trunc_optab.
1809         (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
1810         vec_pack_[u|s]fix_trunc_optab.
1812         * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
1813         VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
1814         * tree-pretty-print.c (dump_generic_node): Handle
1815         VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
1816         VEC_PACK_FIX_TRUNC_EXPR.
1817         (op_prio): Ditto.
1818         * expr.c (expand_expr_real_1): Ditto.
1819         * tree-inline.c (estimate_num_insns_1): Ditto.
1820         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1822         * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
1823         (vec_unpacks_float_lo_v8hi): Ditto.
1824         (vec_unpacku_float_hi_v8hi): Ditto.
1825         (vec_unpacku_float_lo_v8hi): Ditto.
1826         (vec_unpacks_float_hi_v4si): Ditto.
1827         (vec_unpacks_float_lo_v4si): Ditto.
1828         (vec_pack_sfix_trunc_v2df): Ditto.
1830         * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
1831         Document.
1832         [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
1833         [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
1834         * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
1835         [vec_pack_ufix_trunc]: Ditto.
1836         [vec_unpacks_float_hi]: Ditto.
1837         [vec_unpacks_float_lo]: Ditto.
1838         [vec_unpacku_float_hi]: Ditto.
1839         [vec_unpacku_float_lo]: Ditto.
1841 2007-05-16  Uros Bizjak  <ubizjak@gmail.com>
1843         * soft-fp/README: Update for new files.
1844         * soft-fp/floattisf.c: New file.
1845         * soft-fp/floattidf.c: New file.
1846         * soft-fp/floattitf.c: New file.
1847         * soft-fp/floatuntisf.c: New file.
1848         * soft-fp/floatuntidf.c: New file.
1849         * soft-fp/floatuntitf.c: New file.
1850         * soft-fp/fixsfti.c: New file.
1851         * soft-fp/fixdfti.c: New file.
1852         * soft-fp/fixtfti.c: New file.
1853         * soft-fp/fixunssfti.c: New file.
1854         * soft-fp/fixunsdfti.c: New file.
1855         * soft-fp/fixunstfti.c: New file.
1856         * soft-fp/extendxftf.c: New file.
1857         * soft-fp/trunctfxf.c: New file.
1859         * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
1860         (__trunctfxf2): Ditto.
1862         * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
1863         __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
1864         __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
1865         __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
1866         __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
1867         __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
1869         * config/i386/t-fprules-softfp64: New file.
1870         * config/i386/sfp-machine.h: New file.
1871         * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
1872         x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
1873         and soft-fp/t-softfp to tmake_file.
1874         (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
1875         i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
1877         * config/i386/t-linux64 (softfp_wrap_start): New.
1878         (softfp_wrap_end): New.
1879         * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
1880         supported for TARGET_64BIT.
1882 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
1884         * c-common.c (c_common_signed_or_unsigned_type): Emulate
1885         c_common_unsigned_type behavior.
1887 2007-05-16  Paolo Bonzini  <bonzini@gnu.org>
1889         * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
1890         calls as pure.
1892 2007-05-16  Eric Christopher  <echristo@apple.com>
1894         * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
1895         saving after stack push. Set sp_offset whenever we push.
1896         (rs6000_emit_epilogue): Move altivec register restore before
1897         stack push.
1899 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
1901         * configure.ac: Allow sysroots to be relocated under $prefix as
1902         well as $exec_prefix.
1903         * configure: Regenerate.
1905 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
1907         Revert:
1909         2007-05-12  Richard Sandiford  <richard@codesourcery.com>
1911         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
1912         (gcc_tooldir): Likewise.
1913         * configure: Regenerate.
1914         * Makefile.in (libsubdir_to_prefix): New variable, based on the
1915         old configure.ac gcc_tooldir setting.
1916         (prefix_to_exec_prefix): New variable.
1917         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
1918         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
1920 2007-05-14  Janis Johnson  <janis187@us.ibm.com>
1922         * c-typeck.c (build_binary_op): Return early for error.
1924 2007-05-15  Zdenek Dvorak  <dvorakz@suse.cz>
1926         * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
1927         struct nb_iter_bound.
1928         (free_numbers_of_iterations_estimates_loop): Use ggc_free.
1929         * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
1930         * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
1931         * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
1932         (struct scev_info_str, scalar_evolution_info): Add GTY markers.
1933         (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
1934         (del_scev_info): Use ggc_free.
1935         (scev_initialize): Allocate scalar_evolution_info in gc memory.
1936         * loop-init.c: Include ggc.h.
1937         (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
1938         (loop_optimizer_finalize): Use ggc_free.
1939         * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
1940         pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
1941         pass_iv_optimize): Add TODO_ggc_collect.
1942         * function.h (struct function): Remove skip marker from x_current_loops.
1943         * cfgloop.c: Include ggc.h.
1944         (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
1945         memory.
1946         (establish_preds): Vector superloops is gc allocated.
1947         (alloc_loop): Allocate loop using GGC_CNEW.  Allocate head of
1948         loop->exits list.
1949         (flow_loops_find): Vector larray is gc allocated.
1950         (loop_exit_free): Use ggc_free.
1951         (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit.  Reflect
1952         that head of exits list is now not a part of struct loop.
1953         (record_loop_exits): Allocate exits table in gc memory.
1954         (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect that
1955         head of exits list is now not a part of struct loop.
1956         * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
1957         struct loop_exit): Add GTY marker.
1958         (struct loop): Add GTY marker.  Make superloops vector gc allocated.
1959         Add skip marker to aux field.  Make head of exits list a separate
1960         object.
1961         (struct loops): Add GTY marker.  Make larray vector gc allocated.
1962         Add param marker to exits table.
1963         (get_loops): Type changed.
1964         * Makefile.in (tree-scalar-evolution.o): Add gt-tree-scalar-evolution.h
1965         dependency.
1966         (cfgloop.o, loop-init.o): Add ggc.h dependency.
1967         (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
1968         * basic-block.h (struct basic_block_def): Remove skip marker from
1969         loop_father field.
1971 2007-05-14  Uros Bizjak  <ubizjak@gmail.com>
1973         * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
1974         of 0 in the call to expand_expr().
1975         (expand_builtin_mathfn_3): Ditto.
1976         (expand_builtin_interclass_mathfn): Ditto.
1977         (expand_builtin_cexpi): Ditto.
1978         (expand_builtin_int_roundingfn): Ditto.
1979         (expand_builtin_int_roundingfn_2): Ditto.
1980         (expand_builtin_pow): Ditto.
1981         (expand_builtin_powi): Ditto.
1982         (expand_builtin_bswap): Ditto.
1983         (expand_builtin_unop): Ditto.
1984         (expand_builtin_fabs): Ditto.
1985         (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
1986         the call to expand_expr().
1987         (expand_builtin_sync_operation): Ditto.
1988         (expand_builtin_compare_and_swap): Ditto.
1989         (expand_builtin_lock_test_and_set): Ditto.
1990         * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
1991         instead of 0 in the call to expand_expr().
1992         (expand_builtin_extract_return_addr): Ditto.
1993         (expand_builtin_eh_return): Ditto.
1994         (expand_eh_return): Ditto.
1995         * explow.c (expr_size): Ditto.
1996         * expr.c (optimize_bitfield_assignment_op): Ditto.
1997         (expand_assignement): Ditto.
1998         (store_expr): Ditto.
1999         (store_field): Ditto.
2000         (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
2001         the call to expand_expr().
2002         (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
2003         in the call to expand_expr().
2004         [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
2005         BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
2006         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
2007         of expand_expr().
2008         * optabs.c (expand_vec_shift_expr): Ditto.
2009         (expand_vec_cond_expr): Ditto.
2010         (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
2011         call to expand_expr().
2012         * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
2013         in the call to expand_expr().
2015 2007-05-14  Dave Korn  <dave.korn@artimi.com>
2017         * genautomata.c (gen_regexp_el):  Allocate correct size for regexp.
2019 2007-05-14  Rafael Avila de Espindola  <espindola@google.com>
2021         * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
2022         instead of c_common_unsigned_type.
2023         (c_common_unsigned_type): Remove.
2024         (shorten_compare): Use c_common_signed_or_unsigned_type instead of
2025         c_common_unsigned_type.
2026         (c_common_nodes_and_builtins): Use unsigned_type_for instead of
2027         c_common_unsigned_type.
2028         * c-common.h (c_common_unsigned_type): Remove.
2029         * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
2030         c_common_unsigned_type.
2031         * c-format.c (check_format_types): Use unsigned_type_for instead of
2032         c_common_unsigned_type.
2033         * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
2034         * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead of
2035         c_common_unsigned_type.
2036         * convert.c (convert_to_integer): Use unsigned_type_for instead of
2037         lang_hooks.types.unsigned_type.
2038         * expmed.c (make_tree): Use unsigned_type_for instead of
2039         lang_hooks.types.unsigned_type.
2040         * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
2041         lang_hooks.types.unsigned_type.
2042         (build_range_check): Likewise.
2043         (fold_unary): Likewise.
2044         (fold_binary): Likewise.
2045         (fold_ternary): Likewise.
2046         * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
2047         * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
2048         * tree.c (get_unsigned_type): New.
2049         (unsigned_type_for): Use get_unsigned_type instead of
2050         lang_hooks.types.unsigned_type.
2052 2007-05-14  Kazu Hirata  <kazu@codesourcery.com>
2054         * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
2055         to m68k_get_function_kind.  Update its prototype.
2056         * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
2057         interrupt_thread.
2058         (m68k_interrupt_function_p): Return enum m68k_function_type
2059         instead of bool.  Rename to m68k_get_function_kind.
2060         (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
2061         target is not fido.
2062         (m68k_compute_frame_layout): Don't mark any register for save
2063         if an interrupt_thread attribute is specified.
2064         (m68k_hard_regno_rename_ok): Update a use of
2065         m68k_interrupt_function_p.
2066         * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
2067         m68k_interrupt_function_p.
2068         (m68k_function_type): New.
2069         * config/m68k/m68k.md (*return): Output a 'sleep' instruction
2070         for a function with an interrupt_thread attribute.
2071         * doc/extend.texi: Document the interrupt_thread attribute.
2073 2007-05-13  Daniel Berlin  <dberlin@dberlin.org>
2075         Fix PR tree-optimization/31911
2076         * tree-ssa-pre.c (phi_translate): Make sure to cache results even
2077         if they didn't change the expression.
2079 2007-05-13  Zdenek Dvorak  <dvorakz@suse.cz>
2081         * tree-scalar-evolution.c (resolve_mixers): Exported.
2082         * tree-scalar-evolution.h (resolve_mixers): Declare.
2083         * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
2084         ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
2085         record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
2086         base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
2087         init_array_ref, init_pointer_ref, analyze_indirect_ref,
2088         strip_conversion, analyze_offset_expr, address_analysis,
2089         object_analysis, analyze_offset): Removed.
2090         (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
2091         split_constant_offset, canonicalize_base_object_address,
2092         object_address_invariant_in_loop_p, disjoint_objects_p,
2093         dr_may_alias_p, dr_address_invariant_p): New functions.
2094         (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
2095         and dr_analyze_alias.
2096         (initialize_data_dependence_relation): Use dr_may_alias_p
2097         and object_address_invariant_in_loop_p.
2098         (compute_self_dependence): Handle the case when DDR_ARE_DEPENDENT (ddr)
2099         is chrec_dont_know.
2100         (find_data_references_in_stmt): Restrict the analysis of data references
2101         to the given loop nest.
2102         (find_data_references_in_loop): Made static.  Pass loop nest to
2103         find_data_references_in_stmt.
2104         (compute_data_dependences_for_loop): Use DR_VOPS.
2105         (free_data_ref): Free DR_VOPS.
2106         * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
2107         (struct innermost_loop_behavior): ... new.
2108         (struct base_object_info): Replaced by ...
2109         (struct indices): ... new.
2110         (struct dr_alias): New.
2111         (enum data_ref_type): Removed.
2112         (struct data_reference): Consist of struct innermost_loop_behavior,
2113         struct indices and struct dr_alias.
2114         (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
2115         (DR_MEMTAG): Renamed to ...
2116         (DR_SYMBOL_TAG): ... this.
2117         (find_data_references_in_loop): Declaration removed.
2118         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
2119         instead of DR_OFFSET_MISALIGNMENT.  DR_ALIGNED_TO is never NULL.
2120         (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
2121         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2123 2007-05-13  Revital Eres  <eres@il.ibm.com>
2125         * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
2126         which walks virtual def-use chains to find redundant stores.
2127         (dse_optimize_stmt): Call it.
2129 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
2131         * gcse.c (gcse_main): Do jump bypassing in CPROP2.
2132         * passes.c (init_optimization_passes): Move pass_jump_bypass
2133         after loop2.
2135         * basic-block.h (bb_has_eh_pred): Fix style issue.
2137 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
2139         PR rtl-optimization/31848
2140         * loop-invariant.c (move_invariant_reg): If we move an insn
2141         with a REG_EQUAL note, and that insn is not always executed,
2142         remove the REG_EQUAL note.
2144 2007-05-12  Richard Guenther  <rguenther@suse.de>
2146         PR tree-optimization/31797
2147         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
2148         propagate into a stmt that has volatile ops.
2150 2007-05-12  Richard Sandiford  <richard@codesourcery.com>
2152         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
2153         (gcc_tooldir): Likewise.
2154         * configure: Regenerate.
2155         * Makefile.in (libsubdir_to_prefix): New variable, based on the
2156         old configure.ac gcc_tooldir setting.
2157         (prefix_to_exec_prefix): New variable.
2158         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
2159         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
2161 2007-05-11  Silvius Rus  <rus@google.com>
2163         * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
2164         * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
2165         * c-common.h (strict_aliasing_warning): Change return type.
2166         * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
2167         * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
2168         (build_c_cast): Condition call to strict_aliasing_warning.
2169         * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
2170         * flags.h (set_Wstrict_aliasing): Declare.
2171         * opts.c (set_Wstrict_alising): Define, add call to.
2172         * tree-flow.h (strict_aliasing_warning_backend): Declare.
2173         * tree-ssa-alias-warnings.c: New file.
2174         * tree-ssa-alias.c (compute_may_aliases): Add call to
2175         strict_aliasing_warning_backend.
2177 2007-05-11  Zdenek Dvorak  <dvorakz@suse.cz>
2179         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
2180         Use loop_depth and loop_outer accessor functions.
2181         * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
2182         determine_invariantness_stmt, move_computations_stmt): Ditto.
2183         * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
2184         add_loop, loopify, unloop, fix_loop_structure): Ditto.
2185         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
2186         * tree-scalar-evolution.c (interpret_loop_phi,
2187         compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
2188         instantiate_parameters_1, scev_const_prop): Ditto.
2189         * cfghooks.c (make_forwarder_block): Ditto.
2190         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
2191         * modulo-sched.c (loop_canon_p): Ditto.
2192         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
2193         slpeel_can_duplicate_loop_p): Ditto.
2194         * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
2195         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
2196         * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
2197         cancel_loop, verify_loop_structure): Ditto.
2198         (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
2199         add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
2200         superloops vector instead of "pred" array.
2201         (establish_preds): Take father loop as an argument.  Initialize the
2202         superloops vector.
2203         (flow_loop_tree_node_add): Pass father loop to establish_preds.  Do not
2204         initialize loop->outer.
2205         (flow_loop_tree_node_remove): Truncate the superloops vector.
2206         * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
2207         "pred" merged to "superloops" vector.
2208         (loop_depth, loop_outer): New.
2209         (fel_init): Use loop_outer.
2211 2007-05-11  Jan Hubicka  <jh@suse.cz>
2213         * cgraphunit.c: Include gt-cgraphunit.h
2214         (static_ctors, static_dtors): New static vars.
2215         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
2216         based on implementation in c-common.c
2217         (cgraph_finalize_function): Call record_cdtor_fn.
2218         (cgraph_optimize): Call cgraph_build_cdtor_fns.
2219         * decl.c (finish_function): Do not call c_record_cdtor_fn.
2220         (c_write_global_declarations): Do not call c_build_cdtor_fns.
2221         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
2222         build_cdtor, c_build_cdtor_fns): Remove.
2223         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
2224         c_build_cdtor_fns): Remove prototype.
2226 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
2228         PR other/31852
2229         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
2230         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
2231         * builtins.c (fold_builtin_memchr): New.
2232         (expand_builtin_memchr): Call the latter.
2233         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
2234         * doc/extend.texi ([Other built-in functions provided by GCC]):
2235         Document memchr.
2237 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
2239         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
2240         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
2241         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
2242         PFPO_OP1_TYPE_SHIFT): Constants added.
2243         (DFP_ALL): Mode macro defined.
2244         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
2245         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
2246         Insn definitions added.
2247         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
2248         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
2249         Expanders added.
2251 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
2253         PR tree-optimization/31885
2254         * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
2255         to be undetermined.
2256         (automatically_generated_chrec_p): Return false for NULL.
2258 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2260         * config/bfin/bfin.h (MOVE_RATIO): Define.
2262 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
2264         * config.gcc (sparc-wrs-vxworks): New target.
2265         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
2266         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
2267         * config/sparc/sparc.h: Include vxworks-dummy.h.
2268         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
2269         include LABEL_REFs too.
2270         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
2271         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
2272         VxWorks.
2273         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
2274         on VxWorks.
2275         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
2276         (sparc_emit_call_insn): New function.
2277         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
2278         functions when generating VxWorks PIC.
2279         * config/sparc/sparc.md (vxworks_load_got): New pattern.
2280         (call, call_value): Use sparc_emit_call_insn instead of
2281         emit_call_insn.
2283 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
2285         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
2287 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
2289         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
2290         for floating-point values if HOST_BITS_PER_LONG > 32.  Use split_double
2291         instead of operand_subword.
2293 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2295         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
2296         * config/bfin/bfin.c (bfin_local_alignment): New function.
2297         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
2299 2007-05-08  Chao-ying Fu  <fu@mips.com>
2301         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
2302         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
2303         (smsub_widen_optab, umsub_widen_optab): Define.
2304         * optabs.c (init_optabs): Initialize smsub_widen_optab and
2305         umsub_widen_optab.
2306         * genopinit.c (optabs): Fill in smsub_widen_optab and
2307         umsub_widen_optab.
2308         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
2309         and umsub_widen_optab to implement multiply-subtract sequences.
2310         * config/mips/mips.md (*msac<u>_di): Rename to...
2311         (<u>msubsidi4): ...this.  Extend condition to include
2312         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
2313         of operand 0 to "ka" and use the three-operand form of msub<u>
2314         for TARGET_DSPR2.
2315         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
2316         to define_expands.
2318 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2320         PR rtl-optimization/28011
2321         * reload.c (push_reload): Set dont_share if IN appears in OUT
2322         also when IN is a PLUS rtx.
2323         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
2324         are same PLUS rtx.
2326 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
2328         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
2329         call unshare_all_decls.
2330         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
2331         (unshare_all_decls): Remove.
2333 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
2335         PR 31847
2336         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
2337         dumps.
2339 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
2340             Nigel Stephens  <nigel@mips.com>
2342         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
2343         Update comments and all uses.
2344         (MIN_FPRS_PER_FMT): Define.
2345         * config/mips/mips.c (function_arg): Fix to correctly handle
2346         the -mips32r2 -mfp64 -mabi=32 case.
2347         (override_options): Enable use of odd-numbered registers for
2348         SFmode values on MIPS32.
2349         (mips_save_reg_p): Save whole floating-point register pair if
2350         either half is used.
2351         (compute_frame_size): Fix comment.
2353 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
2355         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
2356         argument of type bool.
2357         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
2358         argument. Safely select temporary P register according to it.
2359         (do_link): Change call site of add_to_reg accordingly.
2360         (do_unlink): Add epilogue_p as a fourth argument and pass it
2361         to add_to_reg.
2362         (expand_interrupt_handler_epilogue): Change call of do_unlink
2363         accordingly.
2364         (bfin_expand_prologue): Add a third argument sibcall_p.
2365         * config/bfin/bfin.md (epilogue): Change call of
2366         bfin_expand_epilogue accordingly.
2367         (sibcall_epilogue): Likewise.
2368         (eh_return_internal): Likewise.
2370         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
2371         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
2372         * config/bfin/bfin.c (bfin_handle_option): Handle
2373         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
2374         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
2375         Support bf534, bf536 and bf561.
2376         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
2378 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
2380         PR target/31854
2381         * config/i386/i386.c (ix86_function_regparm): Process local
2382         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
2384 2007-05-07  Mike Stump  <mrs@apple.com>
2386         * doc/invoke.texi (Warning Options): Document that -Wempty-body
2387         also checks for and while statements in C++.
2389 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
2391         * gcc.c (at_file_supplied): New variable.
2392         (main): Set it if we expanded argv.
2393         (do_spec_1): Pass an @-file to the linker if we were called with
2394         an @-file argument and HAVE_GNU_LD.
2395         * collect2.c (at_file_supplied): New variable.
2396         (response_file): New variable.
2397         (collect_exit): Unlink response_file if necessary.
2398         (handler): Likewise.
2399         (do_wait): Likewise.
2400         (main): Set at_file_supplied if we expanded argv.
2401         (collect_execute): Pass an @-file to subprocesses if we were called
2402         with an @-file argument.
2403         * configure.ac: Add define for HAVE_GNU_LD.
2404         * configure: Regenerate.
2405         * config.in: Regenerate.
2407 2007-05-07  Naveen.H.S  <naveen.hs@kpitcummins.com>
2409         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
2410         operand to HI mode.
2411         (mulsi3): New.
2412         (divsi3): New.
2413         (udivsi3): New.
2415 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
2417         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
2418         (TARGET_ENCODE_SECTION_INFO): Re-define.
2419         (m32c_encode_section_info): New
2420         (function_vector_handler): New
2421         (current_function_special_page_vector): New
2422         (m32c_special_page_vector_p): New.
2423         * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
2424         Prototype.
2425         * config/m32c/jump.md: Added instruction JSRS for functions
2426         with attribute "function_vector".
2427         * doc/extend.texi (function_vector): Added description
2428         for M16C, M32C targets.
2430 2007-05-07  DJ Delorie  <dj@redhat.com>
2432         PR 31794
2433         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
2434         ashrpsi3, lshrpsi3): Update shift count constraint.
2436 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
2437             Nathan Froyd  <froydnj@codesourcery.com>
2439         PR 22133
2440         * c-incpath.c (add_path): Strip trailing path separators.
2442 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
2444         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
2445         Free dominance info before purging EH edges.
2446         (eliminate_degenerate_phis): Likewise.
2447         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
2449 2007-05-07  Jan Hubicka  <jh@suse.cz>
2451         * gimplify.c (gimplify_expr): Do not crash when folding
2452         (void *)(int)&a + 4.
2454 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
2456         PR driver/31694
2457         * c-opts.c (lang_fortran): Make it non static.
2458         * c-common.h (lang_fortran): New prototype.
2459         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
2460         -lang-fortran option was passed by the driver.
2462 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
2464         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
2465         of ASSERT_CHECKING.  Tweak message.
2467 2007-05-06  Revital Eres  <eres@il.ibm.com>
2469         PR 30957
2470         * loop-unroll.c (insert_var_expansion_initialization):
2471         Initialize the expansions with -zero instead of +zero.
2473 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
2475         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
2476         into pic and non-pic versions. Mark r19 as used for
2477         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
2478         for tgd_load, tld_load and tie_load .
2479         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
2480         version of tgd_load, tld_load and tie_load depending on the
2481         value of flag_pic.
2483 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
2484             Jakub Jelinek  <jakub@redhat.com>
2486         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
2487         (__do_global_dtors_aux): Use more paranoid loop to run
2488         destructors if HIDDEN_DTOR_LIST_END.
2489         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
2491 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
2493         * varasm.c (align_variable): Don't increase alignment for
2494         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
2495         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
2497 2007-05-04  Josh Conner  <jconner@apple.com>
2499         * basic-block.h (cdi_direction): Assign values to all enumeration
2500         constants.
2501         (dom_computed): Remove.
2502         (dom_info_state): New.
2503         (set_dom_info_availability): New.
2504         * tree-ssa-loop-im.c (determine_invariantness): Initialize
2505         walk_data.dom_direction.
2506         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
2507         instead of dom_computed[].
2508         (split_edge): Likewise.
2509         (create_basic_block): Likewise.
2510         (merge_blocks): Likewise.
2511         * ifcvt.c (find_if_header): Likewise.
2512         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
2513         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2514         * tree-ssa.c (verify_ssa): Likewise.
2515         * tree-cfg.c (tree_verify_flow_info): Likewise.
2516         (remove_edge_and_dominated_blocks): Likewise.
2517         * dominance.c (dom_computed): Make static.
2518         (calc_dfs_tree_nonrec): Change third param to a bool.
2519         (calc_dfs_tree): Change second param to a bool.
2520         (calc_idioms): Change second param to a bool.  Use
2521         dom_convert_dir_to_idx.
2522         (init_dom_info): Validate dir before using.
2523         (dom_convert_dir_to_idx): New.
2524         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
2525         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
2526         (free_dominance_info): Use dom_convert_dir_to_idx.
2527         (get_immediate_dominator): Likewise.
2528         (set_immediate_dominator): Likewise.
2529         (get_dominated_by): Likewise.
2530         (redirect_immediate_dominators): Likewise.
2531         (nearest_common_denominator): Likewise.
2532         (dominated_by_p): Likewise.
2533         (bb_dom_dfs_in): Likewise.
2534         (bb_dom_dfs_out): Likewise.
2535         (recount_dominator): Likewise.
2536         (iterate_fix_dominators): Likewise.
2537         (add_to_dominance_info): Likewise.
2538         (delete_from_dominance_info): Likewise.
2539         (first_dom_son): Likewise.
2540         (next_dom_son): Likewise.
2541         (dom_info_available_p): Likewise.
2542         (dom_info_state): New.
2543         (set_dom_info_availability): New.
2545 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2547         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
2548         Expander removed.
2549         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
2551 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
2553         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
2554         (subdi3, subdi_carry): Delete.
2556 2007-05-04  Jan Hubicka  <jh@suse.cz>
2557             Richard Guenther  <rguenther@suse.de>
2559         * opts.c (decode_options): Do not fiddle with inlining
2560         parameters in case of optimizing for size.
2561         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
2562         for size do nothing.
2563         (cgraph_decide_inlining_of_small_function): When optimizing for
2564         size never inline functions increasing caller size.
2565         (cgraph_early_inlining): Inline for size when optimizing for size.
2567 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2569         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
2570         logical operations piecewise.
2571         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
2572         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
2573         subdi_sesidi_di): Delete.
2574         (add_with_carry): Produce carry in CC instead of a DREG to shorten
2575         the generated sequence.  Allow three-reg add in constraints.  Rewrite
2576         the rtl expression for carry to avoid zero_extend of a constant.
2577         (sub_with_carry): New pattern.
2578         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
2579         different sequence not involving jumps.
2580         (notbi): Now a named pattern.
2582 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
2584         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
2585         Add the note about a significant loss of accuracy of some
2586         mathematical routines when these options are used.
2588 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2590         * haifa-sched.c (rtx_vec_t): New typedef.
2591         (contributes_to_priority_p): Extract piece of priority () into new
2592         static function.
2593         (priority): Use the function.  Add assertion.
2594         (rank_for_schedule, set_priorities): Add assertion to check that
2595         insn's priority is initialized.
2596         (clear_priorities, calc_priorities): Change signature.  Make it update
2597         all relevant insns.  Update all callers ('add_to_speculative_block ()'
2598         and 'create_block_check_twin ()').
2599         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
2600         Add new field 'priority_status'.
2601         (INSN_PRIORITY_STATUS): New macro.
2602         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
2604 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2606         * sched-ebb.c (debug_ebb_dependencies): New static function.
2607         (init_ready_list): Use it.
2609         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
2610         with changed signature and 'debug_rgn_dependencies ()'.
2611         (debug_rgn_dependencies): New static function.
2612         (init_ready_list): Use it.
2614         * sched-int.h (debug_dependencies): Declare.
2616 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2618         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
2620 2007-05-04  Dirk Mueller  <dmueller@suse.de>
2622         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
2624 2007-05-03  Jan Hubicka  <jh@suse.cz>
2626         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
2627         for pointer type in more cases than before.
2629         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
2631         * tree-object-size.c (plus_expr_object_size): When operand size is
2632         unknown, return unknown.
2634 2007-05-03  Dirk Mueller  <dmueller@suse.de>
2636         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
2638         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
2639         options.
2641         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
2643 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
2645         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
2647 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
2649         * config/soft-fp/double.h, config/soft-fp/extended.h,
2650         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
2651         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
2652         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
2653         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
2654         glibc CVS.
2656 2007-05-03  Ian Lance Taylor  <iant@google.com>
2658         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
2659         MASK_PPC_GFXOPT for 8540 or 8548.
2661 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
2663         * tree-vect-transform.c (vect_update_inits_of_drs): Use
2664         vect_print_dump_info() to output debug information.
2666 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
2668         PR target/31768
2669         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
2670         operands of size 2 when operand is not MEM_P.
2672 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
2674         PR tree-optimization/30565
2675         * lambda-code.c (perfect_nestify): Fix updating of dominators.
2677 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
2679         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
2680         (umulsi3_highpart): Use them.
2681         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
2682         for final accumulator to D regisster tranfser.
2684 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
2686         PR tree-optimization/31699
2687         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
2688         code.
2689         (vect_enhance_data_refs_alignment): Compute peel amount using
2690         TYPE_VECTOR_SUBPARTS instead of vf.
2691         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
2693 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
2695         PR bootstrap/31776
2696         * system.h: Remove inclusion of double-int.h
2697         * tree.h: Include double-int.h
2698         * gengtype.c: Likewise
2699         * cfgloop.h: Likewise
2700         * Makefile.in: Adjust dependencies on double-int.h
2702 2007-05-02  Eric Christopher  <echristo@apple.com>
2704         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
2705         -shared to -Zdynamiclib.
2707 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
2709         PR c++/31663
2710         * c-common.c (strip_pointer_or_array_types): New function.
2711         * c-common.h (strip_pointer_or_array_types): New function declaration.
2713 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
2715         PR tree-optimization/31771
2716         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
2718 2007-05-02  Paul Brook  <paul@codesourcery.com>
2720         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
2722 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2724         PR middle-end/29715
2725         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
2726         transformation.
2728 2007-05-02  Nick Clifton  <nickc@redhat.com>
2730         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
2732 2007-05-02  Richard Guenther  <rguenther@suse.de>
2734         PR tree-optimization/31146
2735         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2736         argument, single_use_p.  If we have a single use that is
2737         a conversion to the definition rhs type, propagate that rhs.
2738         (forward_propagate_addr_expr): Pass single_use_p argument
2739         to forward_propagate_addr_expr_1.
2741 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2743         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
2744         variable.
2746 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2748         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
2749         'AMD Family 10 core'.
2751 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2753         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
2754         and athlon64-sse3 as improved versions of k8, opteron and athlon64
2755         with SSE3 instruction set support.
2756         * doc/invoke.texi: Likewise.
2758 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2760         * config/i386/i386.c (override_options): Tuning 32-byte loop
2761         alignment for amdfam10 architecture. Increasing the max loop
2762         alignment to 24 bytes.
2764 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
2766         * config/m68k/constraints.md: New.
2767         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
2768         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
2769         EXTRA_CONSTRAINT): Remove.
2770         * config/m68k/m68k.md: Include constraints.md.
2771         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
2773 2007-05-01  Ian Lance Taylor  <iant@google.com>
2775         PR tree-optimization/31739
2776         * tree-vrp.c (vrp_val_is_max): New static function.
2777         (vrp_val_is_min): New static function.
2778         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
2779         copying the node.
2780         (set_value_range): Use vrp_val_is_{max,min}.
2781         (extract_range_from_assert): Likewise.
2782         (extract_range_from_binary_expr): Likewise.
2783         (extract_range_from_unary_expr): Likewise.
2784         (dump_value_range, vrp_meet): Likewise.
2785         (vrp_visit_phi_node): Likewise.
2786         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
2788 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
2790         * config/i386/gmon-sol2.c (size_t): New type.
2791         (intptr_t): Likewise.
2792         (s_textsize): Declare as size_t.
2793         (sbrk): Declare.
2794         (monstartup): Use size_t for sizes.
2795         (_mcount): Save and restore registers.
2796         (internal_mcount): Pass 0 as the first argument to monstartup
2797         in 64-bit mode.
2798         (moncontrol): Convert pointer to appropriately sized integer
2799         before passing to profil.
2801 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
2803         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
2804         __NO_FPRS__, not just if _SOFT_DOUBLE.
2805         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
2806         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
2807         also for E500 double.
2808         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
2809         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
2810         && !TARGET_FPRS).
2812 2007-05-01  Richard Guenther  <rguenther@suse.de>
2814         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
2815         is NULL.
2817 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
2819         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
2821 2007-05-01  Jan Hubicka  <jh@suse.cz>
2823         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
2824         invariant.
2826 2007-05-01  Jan Hubicka  <jh@suse.cz>
2828         * tree.h (maybe_fold_offset_to_component_ref): Remove.
2829         (maybe_fold_offset_to_reference): Declare.
2830         * fold-const.c (fold_unary): Do not fold
2831         (type *)&A into &A->field_of_type_and_offset_0
2832         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
2833         size is unknown, give up.
2834         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
2835         offsets.
2836         (maybe_fold_offset_to_reference): New.
2837         (maybe_fold_stmt_indirect): Use it.
2838         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
2839         * gimplify.c (gimplify_conversion): Canonicalize conversions to
2840         field references.
2841         (gimplify_expr): Likewise for plus_expr.
2843 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
2845         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
2846         bsi_after_labels.  Always insert statements before bsi.
2847         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
2848         * predict.c (apply_return_prediction): Check for empty blocks.
2849         * cfgexpand.c (lab_rtx_for_bb): New variable.
2850         (label_rtx_for_bb): Do not create new tree labels.
2851         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
2852         (tree_expand_cfg): Initialize lab_rtx_for_bb.
2853         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
2854         creating edges.
2855         (label_for_bb): Add field used.
2856         (update_eh_label, main_block_label): Mark the label used.
2857         (cleanup_dead_labels): Remove unused labels.
2859 2007-05-01  Richard Guenther  <rguenther@suse.de>
2861         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
2862         if it is not about to be set.
2863         (get_value_range): Do not pre-allocate equiv bitmap.
2864         (update_value_range): No need to clear equiv field.
2865         (add_equivalence): Change prototype to get bitmap pointer.
2866         Allocate bitmap here if it is not already.
2867         (extract_range_from_assert): Do not allocate bitmap here.
2868         Update callers to add_equivalence.
2869         (extract_range_from_ssa_name): Likewise.
2870         (get_vr_for_comparison): New static helper.
2871         (compare_name_with_value): Handle NULL equiv bitmap by
2872         peeling the first iteration of the comparison loop.
2873         Use get_vr_for_comparison.
2874         (compare_names): Handle NULL equiv bitmaps by using fake
2875         ones.  Use get_vr_for_comparison.
2877 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
2879         * double-int.c (mpz_set_double_int): Moved from
2880         tree-ssa-loop-niter.c.
2881         (mpz_get_double_int): Likewise; also, add option to wrap
2882         out-of-range integers.
2883         * double-int.h: New prototypes for above.
2884         * tree.c (get_static_type_bounds): Moved from
2885         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
2886         TYPE_MAX_VALUE if they exist..
2887         * tree.h: New prototype for above.
2888         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
2889         get_type_bounds calls.
2890         (mpz_set_double_int): Move to double-int.c.
2891         (get_type_bounds): Move to tree.c, rename to
2892         get_static_type_bounds.
2893         (mpz_to_double_int): Move to double-int.c, rename to
2894         mpz_get_double_int.
2896 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
2898         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
2899         DIV0 exception can fall through to a normal return.
2901 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
2903         PR middle-end/22156
2904         Temporarily revert:
2905         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2906         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2907         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2908         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2909         initialize align to silence bogus warning.
2910         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2911         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2912         all_no_warning.
2913         (struct sra_walk_fns): Remove use_all parameter from use.
2914         (sra_hash_tree): Handle BIT_FIELD_REFs.
2915         (sra_elt_hash): Don't hash bitfld blocks.
2916         (sra_elt_eq): Skip them in parent compares as well.  Handle
2917         BIT_FIELD_REFs.
2918         (sra_walk_expr): Don't maintain or pass down use_all_p.
2919         (scan_use): Remove use_all parameter.
2920         (scalarize_use): Likewise.  Re-expand assignment to
2921         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2922         output, and re-scalarize after output.  Don't mark anything
2923         for no warning.
2924         (scalarize_ldst): Adjust.
2925         (scalarize_walk_gimple_modify_statement): Likewise.
2926         (build_element_name_1): Handle BIT_FIELD_REFs.
2927         (instantiate_element): Don't warn for any element whose parent
2928         is used as a whole.
2929         (instantiate_missing_elements_1): Return the sra_elt.
2930         (canon_type_for_field): New.
2931         (try_instantiate_multiple_fields): New.
2932         (instantiate_missing_elemnts): Use them.
2933         (mark_no_warning): Removed.
2934         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2935         (REPLDUP, sra_build_elt_assignment): New.
2936         (generate_copy_inout): Use them.
2937         (generate_element_copy): Likewise.  Handle bitfld differences.
2938         (generate_element_zero): Don't recurse for blocks.  Use
2939         sra_build_elt_assignment.
2940         (generate_one_element_int): Take elt instead of var.  Use
2941         sra_build_elt_assignment.
2942         (generate_element_init_1): Adjust.
2943         (scalarize_use, scalarize_copy): Use REPLDUP.
2944         (scalarize_ldst): Move assert before dereference.
2945         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2947 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2949         PR C++/31721
2950         * tree.c (reconstruct_complex_type): Reconstruct a reference
2951         correctly.
2952         Also use the same mode for the pointer as the old pointer type.
2954 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2956         * doc/trouble.texi (Interoperation): Remove note about Ultrix
2957         Fortran compiler.
2959 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
2961         PR rtl-optimization/31676
2962         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
2963         (df_refs_record): Call it.
2965 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2967         * rtl.def (SS_ABS): New code.
2968         * config/bfin/bfin.c (print_operand): New modifier 'v'.
2969         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
2970         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
2971         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
2972         (bfin_init_builtins): Define them.
2973         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
2974         (bfin_expand_builtin): ... and handle the others here.
2975         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
2976         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
2977         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
2978         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
2979         operand is only HImode.
2981 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
2983         * regclass.c (scan_one_insn): Remove splitting of
2984         two address insns.
2986 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
2987             Nigel Stephens  <nigel@mips.com>
2989         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
2991 2007-04-28  Jan Hubicka  <jh@suse.cz>
2993         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
2994         insn_locators_alloc instead of insn_locators_initialize;
2995         call reset_block_changes.
2996         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2997         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
2998         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
2999         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
3000         * config/score/score.c (th_output_mi_thunk): Likewise.
3001         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
3002         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
3003         tolerate uninitialized locator info.
3005         Re-apply:
3006         * function.c (init_function_start): Don't init line number info.
3007         (expand_function_end): Update.
3008         (reset_block_changes, record_block_change, finalize_block_changes,
3009         check_block_change, free_block_changes): Kill.
3010         * function.h (reset_block_changes, record_block_change,
3011         finalize_block_changes, check_block_change, free_block_changes): Remove
3012         prototypes.
3013         (struct function): Remove ib_boundaries_block.
3014         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
3015         Use curr_insn_locator to initialize locator.
3016         (emit_line_note): Remove.
3017         * cfgexpand.c (expand_gimple_cond_expr): Update.
3018         (construct_exit_block): Likewise.
3019         (tree_expand_cfg): Initialize/finalize locators.
3020         * expr.c (expand_expr_real): Update.
3021         * cfglayout.c (line_locators_locs, line_locators_lines,
3022         file_locators_locs, file_locators_files): Remove.
3023         (set_block_levels): Move to cfgexpand.c.
3024         (insn_locators_initialize): Remove.
3025         (pass_insn_locators_initialize): Remove.
3026         (locations_locators_locs, locations_locators_vals): New static vars.
3027         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
3028         Likewise.
3029         (insn_locators_alloc, insn_locators_finalize,
3030         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
3031         New functions.
3032         (locator_location): New.
3033         (locator_line, locator_file): Rewrite.
3034         * rtl.h (emit_line_note): Kill.
3035         (insn_locators_alloc, insn_locators_finalize,
3036         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
3037         Declare.
3038         * tree-inline.c (initialize_cfun): Do not initialize
3039         ib_boundaries_block.
3040         * passes.c (pass_insn_locators_initialize): Remove.
3042 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
3044         * tree-cfg.c (move_block_to_fn): Release bb from dominance
3045         info.  Update last_basic_block correctly.
3047 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
3049         PR target/31701
3050         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
3051         register itself to hold the offset constant.  Tell flow the use
3052         of r4 and r5 when they are used.
3054 2007-04-27  Richard Guenther  <rguenther@suse.de>
3056         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
3057         if we simplified anything.
3058         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
3059         warnings until we did a simplification and the stmt was not
3060         marked as TREE_NO_WARNING.
3062 2007-04-27  Mike Stump  <mrs@apple.com>
3064         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
3066 2007-04-27  Ian Lance Taylor  <iant@google.com>
3068         PR middle-end/31710
3069         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
3070         TYPE_MAX_VALUE exist, convert them to the new type.
3072 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
3074         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
3075         if it claims to be available.
3076         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
3077         edge is redirected.
3078         (perform_tree_ssa_dce): Always free postdominators.
3080 2007-04-27  Richard Henderson  <rth@redhat.com>
3082         * config/alpha/predicates.md (aligned_memory_operand): Mark
3083         as define_special_predicate.
3084         (unaligned_memory_operand, normal_memory_operand): Likewise.
3085         (reg_or_unaligned_mem_operand): Remove.
3086         (any_memory_operand): Match the documentation and check for
3087         non-renumbered pseudos during reload.
3088         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
3089         alpha_secondary_reload_class, update to new interface, make static.
3090         Handle CQImode like HImode.  Remove FP subreg check.
3091         (alpha_expand_mov): Use replace_equiv_address.
3092         (alpha_expand_mov_nobwx): Use any_memory_operand.
3093         (TARGET_SECONDARY_RELOAD): New.
3094         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
3095         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
3096         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
3097         * config/alpha/alpha.md: ... here.
3098         (RELOAD12, reloadmode): New.
3099         (movcqi): New.
3100         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
3101         Don't handle the aligned case here.
3102         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
3103         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
3104         reload_inhi_help.  Don't expect a scratch register.
3105         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
3106         reload_outhi_help.
3107         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
3109 2007-04-27  Richard Guenther  <rguenther@suse.de>
3111         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
3113 2007-04-27  Richard Guenther  <rguenther@suse.de>
3115         PR tree-optimization/30965
3116         PR tree-optimization/30978
3117         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
3118         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
3119         (find_equivalent_equality_comparison): Likewise.
3120         (simplify_cond): Likewise.
3121         (get_prop_source_stmt): New helper.
3122         (get_prop_dest_stmt): Likewise.
3123         (can_propagate_from): Likewise.
3124         (remove_prop_source_from_use): Likewise.
3125         (combine_cond_expr_cond): Likewise.
3126         (forward_propagate_comparison): New function.
3127         (forward_propagate_into_cond): Rewrite to use fold for
3128         tree combining.
3129         (tree_ssa_forward_propagate_single_use_vars): Call
3130         forward_propagate_comparison to propagate comparisons.
3132 2007-04-27  Richard Guenther  <rguenther@suse.de>
3134         PR tree-optimization/31715
3135         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
3136         sure to do computation on the offset in an appropriate
3137         signed type.
3139 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
3141         * reload.h (elimination_target_reg_p): Declare.
3142         * reload.c (find_reloads): Don't apply the reg_rtx move
3143         optimization if the SET_DEST satisfies elimination_target_reg_p.
3144         * reload1.c (elimination_target_reg_p): New function.
3145         (gen_reload): In the move/add2 fallback, make sure that op0
3146         does not overlap the destination register.
3148 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
3150         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
3151         transform only GIMPLE_MODIFY_STMTs.
3152         * tree-complex.c (expand_complex_operations_1): Ditto.
3153         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
3154         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
3155         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
3156         branches.
3157         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
3158         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
3159         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
3160         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
3161         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
3162         slpeel_add_loop_guard): Ditto.
3163         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
3164         * lambda-code.c (perfect_nestify): Ditto.
3165         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
3166         before the first statement.
3167         * tree-optimize.c (execute_free_datastructures): Fix comments.
3168         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
3169         * tree-flow.h (disband_implicit_edges): Declaration removed.
3170         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
3171         branches.
3172         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
3173         without gotos.
3174         (disband_implicit_edges, has_label_p): Removed.
3175         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
3176         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
3177         branches.
3178         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
3179         side effects.
3180         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
3181         also for COND_EXPRs.
3182         * cfgexpand.c (label_rtx_for_bb): New function.
3183         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
3184         Use label_rtx_for_bb to find the labels.
3185         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
3186         last block.  Detect fallthru edges.
3188 2007-04-26  Ian Lance Taylor  <iant@google.com>
3190         PR target/28675
3191         * reload.c (find_reloads_subreg_address): If the address was valid
3192         in the original mode but not in the new mode, reload the whole
3193         address.
3195 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
3197         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
3198         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
3199         (cleanup_control_expr_graph): Do not invalidate dominance info.
3200         Record altered blocks.
3201         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
3202         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
3203         cleanup_tree_cfg_bb): New functions.
3204         (remove_forwarder_block): Do not maintain the worklist of blocks.
3205         Record altered blocks.
3206         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
3207         not over whole cfg.
3208         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
3209         delete_unreachable_blocks if dominators are not available.
3210         * tree-inline.c (optimize_inline_calls): Free dominance information
3211         earlier.
3212         * tree-flow.h (remove_edge_and_dominated_blocks,
3213         cfgcleanup_altered_bbs): Altered.
3214         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
3215         blocks.
3216         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
3217         functions.
3218         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
3219         do not invalidate dominators.
3221 2007-04-26  Anatoly Sokolov <aesok@post.ru>
3223         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
3224         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
3225         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3226         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3228 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
3230         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
3232 2007-04-26  Richard Guenther  <rguenther@suse.de>
3234         PR tree-optimization/31703
3235         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
3236         the right type for the target of the bittest.
3238 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
3240         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
3241         ix86_sol10_return_in_memory.
3243 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
3245         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
3246         variables.
3248 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
3250         PR c++/31598
3251         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
3253         PR tree-optimization/30558
3254         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
3255         clear this_state.prev_try.
3257 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
3258             Mark Mitchell  <mark@codesourcery.com>
3260         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
3261         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
3262         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
3264 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
3266         PR driver/31107
3267         * doc/invoke.texi (%:print-asm-header): Document.
3268         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
3269         and -ftarget-help.
3270         (static_spec_functions): Add print-asm-header.
3271         (main): Print a banner before the --target-help linker options.
3272         (print_asm_header_spec_function): New function.
3274 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3276         PR target/31403
3277         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
3278         (movsf_ie): Likewise.
3280 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
3282         * doc/extend.texi ([Type Traits]): Adjust per N2255.
3284 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
3286         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
3287         for divide-by-zero.
3288         (__umodsi3, __modsi3): Likewise.
3290 2007-04-25  Dirk Mueller  <dmueller@suse.de>
3292         * c-typeck.c (build_compound_expr): Annotate warning()
3293         call with OPT_Wunused_value.
3294         * tree-ssa.c (warn_uninit): Annotate warning with
3295         OPT_Wunintialized.
3296         * c-common.c (handle_sentinel_attribute): Annotate warning
3297         call with OPT_Wattributes.
3299 2007-04-25  Thiemo Seufer  <ths@mips.com>
3301         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
3302         (mips16): Fix typo.
3303         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
3304         on to the assembler.  Improve handling of -mno-mips16.  Add handling
3305         of -mno-mips3d, -mno-dsp, -mno-dspr2.
3306         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
3307         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
3308         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
3310 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
3312         PR target/31680
3313         * config/i386/winnt.c (i386_pe_file_end): Strip only
3314         USER_LABEL_PREFIX when writing export name.
3316 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
3318         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
3319         sh/elf.h, vx-common.h and vxworks.h.
3320         * config/sh/sh.h: Include config/vxworks-dummy.h.
3321         (SUBTARGET_OVERRIDE_OPTIONS): Define.
3322         (OVERRIDE_OPTIONS): Use it.
3323         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
3324         (vxworks_picreg): New pattern.
3325         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
3326         VXWORKS_OS_CPP_BUILTINS.
3327         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
3328         to their VXWORKS_* equivalents.
3329         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
3330         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
3331         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
3332         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
3333         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
3334         -mrtp/-fPIC multilibs.
3335         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
3336         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
3337         (MULTILIB_OSDIRNAMES): Delete.
3339 2007-04-25  Anatoly Sokolov <aesok@post.ru>
3341         PR target/18989
3342         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
3344 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
3346         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
3347         rounding mode to be specified by the caller.
3348         (real_to_mpfr) Likewise.
3349         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
3350         include new arguments.
3351         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
3353 2007-04-24  Ian Lance Taylor  <iant@google.com>
3355         PR tree-optimization/31605
3356         * tree-vrp.c (set_value_range): Check that min and max are not
3357         both overflow infinities.
3358         (set_value_range_to_value): New static function.
3359         (extract_range_from_binary_expr): Call set_value_range_to_value.
3360         (extract_range_from_cond_expr): Likewise.
3361         (extract_range_from_expr): Likewise.
3362         (extract_range_from_unary_expr): Likewise.  Don't create a range
3363         which overflows on both sides.
3364         (vrp_meet): Check for a useless range.
3365         (vrp_visit_phi_node): If we see a constant which looks like an
3366         overflow infinity, turn off the TREE_OVERFLOW flag.
3368 2007-04-24  Ian Lance Taylor  <iant@google.com>
3370         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
3372 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
3374         PR diagnostic/25923
3375         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
3376         diagnostic message is being built.
3377         * tree-pretty-print.c (dump_generic_node): Only write the
3378         formatted text into BUFFER's stream if we are not building a
3379         diagnostic message.
3380         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
3381         dump_generic_node.
3382         * Makefile.in (toplev.o): Depend on tree-pass.h.
3384 2007-04-24  Ian Lance Taylor  <iant@google.com>
3386         PR tree-optimization/31602
3387         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
3388         conditionals in the copied loop header.
3389         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
3390         warnings if TREE_NO_WARNING is set.
3391         * doc/invoke.texi (Warning Options): Clarify that
3392         -Wstrict-overflow does not warn about loops.
3394 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
3396         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
3397         expand on the comment about _Decimal128 arguments and check the
3398         integer result of the modulus operation; for 64-bit ELF ABI, ensure
3399         that _Decimal128 argument uses even/odd register pair.
3400         (function_arg): Ditto.
3402 2007-04-24  Hui-May Chang <hm.chang@apple.com>
3404         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
3405         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
3407 2007-04-24  Richard Guenther  <rguenther@suse.de>
3408             Olga Golovanevsky  <olga@il.ibm.com>
3410         * fold-const.c (multiple_of_p): Check for bottom
3411         to be zero.
3413 2007-04-24  Richard Henderson  <rth@redhat.com>
3415         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
3416         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
3417         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
3418         looking for non-zero bits shifted out.  Avoid a recursive call
3419         when constructing the scalar.
3420         (__floatundisf): Likewise.
3422 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
3424         * dwarf2out.c (field_byte_offset): Move the existing logic
3425         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
3426         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
3428 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3430         PR target/31641
3431         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
3432         argument of 0 for memset.
3433         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
3434         unsigned shift instead of the signed variant.
3436 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3438         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
3439         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
3440         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
3441         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3442         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
3443         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
3444         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
3445         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
3446         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
3447         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
3448         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
3449         "mul<mode>3", "div<mode>3"): Insn definitions added.
3450         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
3451         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
3452         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
3453         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
3454         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
3455         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
3456         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
3457         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
3458         TARGET_FLOAT_FORMAT): Macro definitions removed.
3459         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
3460         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
3461         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
3462         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
3463         (s390_gen_rtx_const_DI): Function removed.
3464         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
3466 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
3468         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
3469         over an external ffs function.
3471 2007-04-24  Chao-ying Fu  <fu@mips.com>
3472             Richard Sandiford  <richard@nildram.co.uk>
3474         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
3475         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
3476         (smadd_widen_optab, umadd_widen_optab): Define.
3477         * optabs.c (init_optabs): Initialize smadd_widen_optab and
3478         umadd_widen_optab.
3479         * genopinit.c (optabs): Fill in smadd_widen_optab and
3480         umadd_widen_optab.
3481         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
3482         and umadd_widen_optab to implement multiply-add sequences.
3483         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
3484         (<u>maddsidi4): ...this.  Extend condition to include
3485         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
3486         of operand 0 to "ka" and use the three-operand form of madd<u>
3487         for TARGET_DSPR2.
3488         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
3489         to define_expands.
3490         * config/mips/constraints.md (ka): New register constraint.
3492 2007-04-24  Jan Hubicka  <j@suse.cz>
3494         Revert:
3496         2007-04-23  Jan Hubicka  <jh@suse.cz>
3497         * function.c (init_function_start): Don't init line number info.
3498         (expand_function_end): Update.
3499         (reset_block_changes, record_block_change, finalize_block_changes,
3500         check_block_change, free_block_changes): Kill.
3501         * function.h (reset_block_changes, record_block_change,
3502         finalize_block_changes, check_block_change, free_block_changes): Remove
3503         prototypes.
3504         (struct function): Remove ib_boundaries_block.
3505         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
3506         Use curr_insn_locator to initialize locator.
3507         (emit_line_note): Remove.
3508         * cfgexpand.c (expand_gimple_cond_expr): Update.
3509         (construct_exit_block): Likewise.
3510         (tree_expand_cfg): Initialize/finalize locators.
3511         * expr.c (expand_expr_real): Update.
3512         * cfglayout.c (line_locators_locs, line_locators_lines,
3513         file_locators_locs, file_locators_files): Remove.
3514         (set_block_levels): Move to cfgexpand.c.
3515         (insn_locators_initialize): Remove.
3516         (pass_insn_locators_initialize): Remove.
3517         (locations_locators_locs, locations_locators_vals): New static vars.
3518         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
3519         Likewise.
3520         (insn_locators_alloc, insn_locators_finalize,
3521         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
3522         New functions.
3523         (locator_location): New.
3524         (locator_line, locator_file): Rewrite.
3525         * rtl.h (emit_line_note): Kill.
3526         (insn_locators_alloc, insn_locators_finalize,
3527         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
3528         Declare.
3529         * tree-inline.c (initialize_cfun): Do not initialize
3530         ib_boundaries_block.
3531         * passes.c (pass_insn_locators_initialize): Remove.
3533 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
3535         * doc/invoke.texi: Removed leading '-' from option index entries.
3537 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
3539         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
3540         Use phi_nodes_ptr.
3541         (create_phi_node): Use set_phi_nodes.
3542         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
3543         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
3544         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
3545         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
3546         (bsi_start, bsi_last): Use bb_stmt_list.
3547         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
3548         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
3549         Traverse the statements using tsi iterator.
3550         * basic-block.h (struct basic_block_def): Fields stmt_list
3551         and phi_nodes moved to ...
3552         (struct tree_bb_info): ... new structure.
3553         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
3554         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
3555         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
3556         (tree_verify_flow_info): Verify that il.tree is not set for
3557         entry and exit block.
3558         (tree_split_block): Use set_bb_stmt_list.
3560 2007-04-23  Mike Stump  <mrs@apple.com>
3562         * config/i386/i386.c (ix86_tune_features
3563         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
3564         nocona and core2.
3566 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
3568         * config/i386/i386.md (prefix_extra): New attribute.
3569         (length): Add prefix_extra.
3571         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
3572         (sse2_movntv2di): Likewise.
3573         (sse2_cvtps2dq): Likewise.
3574         (sse2_cvtpd2pi): Likewise.
3575         (sse2_cvttpd2pi): Likewise.
3576         (*sse2_cvtpd2ps): Likewise.
3577         (*add<mode>3): Likewise.
3578         (sse2_ssadd<mode>3): Likewise.
3579         (sse2_usadd<mode>3): Likewise.
3580         (*sub<mode>3): Likewise.
3581         (sse2_sssub<mode>3): Likewise.
3582         (sse2_ussub<mode>3): Likewise.
3583         (*mulv8hi3): Likewise.
3584         (*smulv8hi3_highpart): Likewise.
3585         (*umulv8hi3_highpart): Likewise.
3586         (sse2_umulv2siv2di3): Likewise.
3587         (sse2_pmaddwd): Likewise.
3588         (ashr<mode>3): Likewise.
3589         (lshr<mode>3): Likewise.
3590         (ashl<mode>3): Likewise.
3591         (sse2_ashlti3): Likewise.
3592         (sse2_lshrti3): Likewise.
3593         (*umaxv16qi3): Likewise.
3594         (*smaxv8hi3): Likewise.
3595         (*uminv16qi3): Likewise.
3596         (*sminv8hi3): Likewise.
3597         (sse2_eq<mode>3): Likewise.
3598         (sse2_gt<mode>3): Likewise.
3599         (*and<mode>3): Likewise.
3600         (sse2_nand<mode>3): Likewise.
3601         (*ior<mode>3): Likewise.
3602         (*xor<mode>3): Likewise.
3603         (sse2_packsswb): Likewise.
3604         (sse2_packssdw): Likewise.
3605         (sse2_packuswb): Likewise.
3606         (sse2_punpckhbw): Likewise.
3607         (sse2_punpcklbw): Likewise.
3608         (sse2_punpckhwd): Likewise.
3609         (sse2_punpcklwd): Likewise.
3610         (sse2_punpckhdq): Likewise.
3611         (sse2_punpckldq): Likewise.
3612         (sse2_punpckhqdq): Likewise.
3613         (sse2_punpcklqdq): Likewise.
3614         (*sse2_pinsrw): Likewise.
3615         (*sse2_pextrw): Likewise.
3616         (sse2_pshufd_1): Likewise.
3617         (sse2_uavgv16qi3): Likewise.
3618         (sse2_uavgv8hi3): Likewise.
3619         (sse2_psadbw): Likewise.
3620         (sse2_pmovmskb): Likewise.
3621         (*sse2_maskmovdqu): Likewise.
3622         (*sse2_maskmovdqu_rex64): Likewise.
3623         (sse4a_extrqi): Likewise.
3624         (sse4a_extrq): Likewise.
3625         (sse3_lddqu): Set prefix_rep.
3626         (sse3_addsubv4sf3): Likewise.
3627         (sse3_haddv4sf3): Likewise.
3628         (sse3_hsubv4sf3): Likewise.
3629         (sse_cvtss2si): Likewise.
3630         (sse_cvtss2si_2): Likewise.
3631         (sse_cvtss2siq): Likewise.
3632         (sse_cvtss2siq_2): Likewise.
3633         (sse_cvttss2si): Likewise.
3634         (sse_cvttss2siq): Likewise.
3635         (sse2_cvttps2dq): Likewise.
3636         (sse3_movshdup): Likewise.
3637         (sse3_movsldup): Likewise.
3638         (sse2_cvtsd2si): Likewise.
3639         (sse2_cvtsd2si_2): Likewise.
3640         (sse2_cvtsd2siq): Likewise.
3641         (sse2_cvtsd2siq_2): Likewise.
3642         (sse2_cvttsd2si): Likewise.
3643         (sse2_cvttsd2siq): Likewise.
3644         (*sse2_cvtpd2dq): Likewise.
3645         (*sse2_cvttpd2dq): Likewise.
3646         (sse2_pshuflw_1): Likewise.
3647         (sse2_pshufhw_1): Likewise.
3648         (sse4a_insertqi): Likewise.
3649         (sse4a_insertq): Likewise.
3650         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
3651         (ssse3_phadddv4si3): Likewise.
3652         (ssse3_phaddswv8hi3): Likewise.
3653         (ssse3_phsubwv8hi3): Likewise.
3654         (ssse3_phsubdv4si3): Likewise.
3655         (ssse3_phsubswv8hi3): Likewise.
3656         (ssse3_pmaddubswv8hi3): Likewise.
3657         (ssse3_pmulhrswv8hi3): Likewise.
3658         (ssse3_pshufbv16qi3): Likewise.
3659         (ssse3_psign<mode>3): Likewise.
3660         (ssse3_palignrti): Likewise.
3661         (abs<mode>2): Likewise.
3662         (ssse3_phaddwv4hi3): Set prefix_extra.
3663         (ssse3_phadddv2si3): Likewise.
3664         (ssse3_phaddswv4hi3): Likewise.
3665         (ssse3_phsubwv4hi3): Likewise.
3666         (ssse3_phsubdv2si3): Likewise.
3667         (ssse3_phsubswv4hi3): Likewise.
3668         (ssse3_pmaddubswv4hi3): Likewise.
3669         (ssse3_pmulhrswv4hi3): Likewise.
3670         (ssse3_pshufbv8qi3): Likewise.
3671         (ssse3_psign<mode>3): Likewise.
3672         (ssse3_palignrdi): Likewise.
3673         (abs<mode>2): Likewise.
3674         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
3675         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
3676         (sse2_pmovmskb): Set mode to SI instead of V2DF.
3678 2007-04-23  Nick Clifton  <nickc@redhat.com>
3680         * params.def: Fix formatting of emacs local variables.
3682 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
3684         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
3685         move if inter-unit move isn't allowed.
3686         Don't split moving the first element of V2DI to DI to inter-unit
3687         move if inter-unit move isn't allowed.
3689 2007-04-23  Richard Guenther  <rguenther@suse.de>
3691         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
3692         and CDI_POST_DOMINATORS separately.
3694 2007-04-23  Nick Clifton  <nickc@redhat.com>
3696         * c.opt (Wformat-contains-nul): Add warning attribute.
3698 2007-04-23  Jan Hubicka  <jh@suse.cz>
3700         * function.c (init_function_start): Don't init line number info.
3701         (expand_function_end): Update.
3702         (reset_block_changes, record_block_change, finalize_block_changes,
3703         check_block_change, free_block_changes): Kill.
3704         * function.h (reset_block_changes, record_block_change,
3705         finalize_block_changes, check_block_change, free_block_changes): Remove
3706         prototypes.
3707         (struct function): Remove ib_boundaries_block.
3708         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
3709         Use curr_insn_locator to initialize locator.
3710         (emit_line_note): Remove.
3711         * cfgexpand.c (expand_gimple_cond_expr): Update.
3712         (construct_exit_block): Likewise.
3713         (tree_expand_cfg): Initialize/finalize locators.
3714         * expr.c (expand_expr_real): Update.
3715         * cfglayout.c (line_locators_locs, line_locators_lines,
3716         file_locators_locs, file_locators_files): Remove.
3717         (set_block_levels): Move to cfgexpand.c.
3718         (insn_locators_initialize): Remove.
3719         (pass_insn_locators_initialize): Remove.
3720         (locations_locators_locs, locations_locators_vals): New static vars.
3721         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
3722         Likewise.
3723         (insn_locators_alloc, insn_locators_finalize,
3724         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
3725         New functions.
3726         (locator_location): New.
3727         (locator_line, locator_file): Rewrite.
3728         * rtl.h (emit_line_note): Kill.
3729         (insn_locators_alloc, insn_locators_finalize,
3730         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
3731         Declare.
3732         * tree-inline.c (initialize_cfun): Do not initialize
3733         ib_boundaries_block.
3734         * passes.c (pass_insn_locators_initialize): Remove.
3736 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3738         PR middle-end/31448
3739         * expr.c (reduce_to_bit_field_precision): Handle
3740         CONST_INT rtx's.
3742 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
3744         PR tree-optimization/24659
3745         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
3746         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
3747         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
3748         * genopinit.c (optabs): Rename vec_pack_mod_optab
3749         to vec_pack_trunc_optab.
3750         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
3751         early for scalar floating point operands for NOP_EXPR.
3752         (vectorizable_type_promotion): Ditto.
3753         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
3754         vec_pack_trunc_optab.
3755         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
3757         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
3758         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
3759         Rename from VEC_PACK_MOD_EXPR.
3760         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
3761         * expr.c (expand_expr_real_1): Ditto.
3762         * tree-inline.c (estimate_num_insns_1): Ditto.
3763         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
3765         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
3766         (vec_unpacks_lo_v4sf): Ditto.
3767         (vec_pack_trunc_v2df): Ditto.
3768         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
3769         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
3770         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
3772         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
3773         vec_pack_mod_v8hi.
3774         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
3776         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
3777         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
3778         packing of floating point operands.
3779         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
3780         represent unpacking of floating point operands.
3781         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
3782         [vec_unpacks_hi]: Ditto.
3783         [vec_unpacks_lo]: Ditto.
3785 2007-04-22  Jan Hubicka  <jh@suse.cz>
3787         * final.c (rest_of_handle_final): Call
3788         targetm.asm_out.constructor/targetm.asm_out.destructor
3789         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
3790         proper priority via decl_*_priority_insert.
3791         * c-common.c (c_expand_body): Likewise.
3793 2007-04-22  Richard Guenther  <rguenther@suse.de>
3795         PR tree-optimization/29789
3796         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
3797         (rewrite_reciprocal): New helper split out from
3798         determine_invariantness_stmt.
3799         (rewrite_bittest): Likewise.
3800         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
3801         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
3802         is not.
3804 2007-04-22  Revital Eres  <eres@il.ibm.com>
3806         * loop-unroll.c (var_to_expand): New field to support also
3807         insns of the form x = something + x.
3808         (analyze_insn_to_expand_var): Use it.
3809         (expand_var_during_unrolling): Likewise.
3811 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
3813         * predict.c: Include pointer-set.h.
3814         (bb_predictions): New variable.
3815         (tree_predicted_by_p, tree_predict_edge,
3816         remove_predictions_associated_with_edge): Use bb_predictions map
3817         instead of bb->predictions.
3818         (clear_bb_predictions, assert_is_empty): New functions.
3819         (combine_predictions_for_bb): Use bb_predictions map.  Call
3820         clear_bb_predictions.
3821         (tree_estimate_probability): Create and free bb_predictions map.
3822         * Makefile.in (predict.o): Add pointer-set.h dependency.
3823         * basic-block.h (struct basic_block_def): Remove predictions
3824         field.
3825         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
3827 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3829         PR target/31480
3830         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
3831         is null.
3833 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3835         * timevar.c (timevar_print): Change reference of --disable-checking to
3836         --enable-checking=release.  Also warn if assert checking is disabled.
3838 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3840         PR C/30265
3841         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
3842         decl as addressable if the compound literal was marked as
3843         addressable.
3844         Mark the decl as a gimple register if it is a complex or
3845         vector decl and does not live in memory.
3847 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3849         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
3850         (GENERIC_NEXT): New function macro.
3851         (PHI_CHAIN): Use phi_node's new chain variable.
3852         (tree_phi_node): Change tree_common to tree_base
3853         and add the chain field.
3854         * tree-phinodes.c (make_phi_node): Don't set
3855         TREE_TYPE on the new node.
3856         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
3857         instead of checking GIMPLE_TUPLE_P in chain_next.
3858         * tree-vect-transform.c
3859         (get_initial_def_for_induction): Look at
3860         PHI_RESULT_TREE for the type of the phi node.
3861         (update_vuses_to_preheader): Use PHI_CHAIN
3862         instead of TREE_CHAIN on the phi node.
3863         * tree-ssa-structalias.c (compute_points_to_sets):
3864         Likewise.
3865         (ipa_pta_execute): Likewise.
3867 2007-04-21  Richard Guenther  <rguenther@suse.de>
3869         PR middle-end/31136
3870         * fold-const.c (fold_unary): Call fold_convert_const on the
3871         original tree.
3873 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
3875         * gcse.c (store_killed_in_insn): Handle PARALLELs.
3876         (store_killed_in_pat): New.
3878 2007-04-20  Richard Henderson  <rth@redhat.com>
3880         PR target/31628
3881         * config/i386/i386.c (type_has_variadic_args_p): Look for any
3882         TREE_LIST with a void_type_node value, not void_list_node exactly.
3884 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
3886         * doc/standards.texi: Re-arrange into language-specific
3887         subsections. Add a C++ section, documenting which standards we
3888         support.
3890 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
3892         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
3893         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
3895 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
3897         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
3898         ecrti.o and crtbegin.o.
3899         (LIB_DEFAULT_SPEC): Include -lc.
3900         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
3902 2007-04-20  Richard Henderson  <rth@redhat.com>
3904         PR target/28623
3905         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
3906         argument; update all callers.
3907         (get_unaligned_offset): New.
3908         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
3909         get_unaligned_address, just pass on the address directly.
3910         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
3911         the subreg in the helper patterns.
3912         (unaligned_extendqidi_le): Use get_unaligned_offset.
3913         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
3914         (unaligned_extendhidi_be): Likewise.
3915         (unaligned_extendhidi): Tidy.
3916         * config/alpha/alpha-protos.h: Update.
3918 2007-04-20  Richard Henderson  <rth@redhat.com>
3920         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
3921         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
3922         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
3923         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
3924         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
3925         (CPP_SPEC): Don't include %(cpp_subtarget).
3926         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
3927         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
3928         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
3930 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
3932         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
3933         for __builtin_ia32_cmpordss.
3935         PR tree-optimization/31632
3936         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
3937         and arg1 for optimizations of comparison against min/max values.
3938         Fold arg0 to arg1's type for optimizations of comparison against
3939         min+1 and max-1 values.
3941 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
3943         * reload.c (combine_reloads): When trying to use a dying register,
3944         check whether it's uninitialized and don't use if so.
3946 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
3948         * fold-const.c: Remove prototypes for native_encode_expr and
3949         native_interpret_expr.
3950         (native_encode_expr): Make non-static.
3951         (native_interpret_expr): Likewise.
3952         * tree.h: Add prototypes for the above.
3954 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
3956         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
3957         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
3958         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
3959         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
3960         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
3961         Add length attributes.
3963 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
3965         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
3966         not that it is 1.
3968         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
3969         __STDC_WANT_DEC_FP__.
3971 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
3973         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
3974         for long double compatibility.
3975         * configure: Regenerate.
3977 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
3979         PR rtl-optimization/29841
3980         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
3981         trap instructions.
3982         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
3983         that may cause control flow transfer from being moved.
3985 2007-04-18  Jan Hubicka  <jh@suse.cz>
3987         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
3988         types.
3990 2007-04-18  Eric Christopher  <echristo@apple.com>
3992         * config/rs6000/darwin.md (load_macho_picbase): Use link register
3993         only. Update operands.
3994         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
3995         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
3996         link register to pic register.
3998 2007-04-18  Dirk Mueller  <dmueller@suse.de>
4000         PR diagnostic/31227
4001         * tree-vrp.c (search_for_addr_array): New.
4002         (check_array_bounds): Suppress warning about
4003         address taken of array refs if its not de-referenced.
4005 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
4007         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
4008         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
4010         * tree-vectorizer.h (NITERS_KNOWN_P): New.
4011         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
4012         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
4014         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
4015         dump print.
4016         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
4017         print message.
4018         (vect_analyze_scalar_cycles): Fix indentation.
4019         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
4020         (vect_mark_relevant): Include phis in relevance analysis.
4022         * tree-vect-transform.c (vect_transform_loop): Add an assert.
4024 2007-04-18  Anatoly Sokolov <aesok@post.ru>
4026         * config/avr/avr.c (ptrreg_to_str): Replace error() with
4027         output_operand_lossage().
4029 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
4031         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
4032         the unused code for reduction without adjust-in-epilog to simplify the
4033         function.
4035 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
4037         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
4038         (S390_TDC_NEGATIVE_ZERO): New constant.
4039         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
4040         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
4041         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
4042         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
4043         (S390_TDC_POSITIVE_INFINITY): New constant.
4044         (S390_TDC_NEGATIVE_INFINITY): New constant.
4045         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
4046         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
4047         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
4048         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
4049         (S390_TDC_INFINITY): New constant.
4050         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
4051         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
4052         optimization for UNSPEC_CCZ_TO_INT.
4053         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
4054         ("*ccz_to_int"): New insn.
4055         ("isinf<mode>2"): New insn.
4056         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
4057         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
4058         (UNSPEC_CCZ_TO_INT): New constant.
4060 2007-04-18  Richard Guenther  <rguenther@suse.de>
4062         PR tree-optimization/19431
4063         PR tree-optimization/21463
4064         * tree-pass.h (pass_phiprop): Declare.
4065         * passes.c (init_optimization_passes): New phiprop pass.
4066         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
4067         (phivn_valid_p): New helper function.
4068         (phiprop_insert_phi): Likewise.
4069         (propagate_with_phi): Likewise.
4070         (tree_ssa_phiprop): New propagator propagating loads
4071         through phi nodes if profitable.
4073 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
4075         * tree-vect-analyze.c (process_use): New function.
4076         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
4077         Check phis in all bbs.
4078         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
4079         assert.
4081 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
4083         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
4084         we use REG_EQUAL.
4086 2007-04-17  Anatoly Sokolov <aesok@post.ru>
4088         PR target/30483
4089         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
4090         error().
4092 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
4094         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
4095         on "0".
4096         (sse_vmmulv4sf3): Likewise.
4097         (sse2_vmaddv2df3): Likewise.
4098         (sse2_vmmulv2df3): Likewise.
4100 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
4102         PR rtl-optimization/31360
4103         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
4104         (target_reg_cost): New.
4105         (init_set_costs): Initialize target_reg_cost.  Add comments
4106         regarding the rationale of the costs.
4107         (global_cost_for_size): Renamed to...
4108         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
4109         of register pressure.
4110         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
4111         estimate_reg_pressure_cost.  Add number of ivs.
4112         (determine_set_costs): Dump target_reg_cost.
4113         * loop-invariant.c (gain_for_invariant):  Use
4114         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
4115         (best_gain_for_invariant, find_invariants_to_move): Remove
4116         n_inv_uses.
4117         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
4118         (target_reg_cost): Declare.
4119         (global_cost_for_size): Declaration removed.
4120         (estimate_reg_pressure_cost): Declare.
4122 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
4124         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
4125         regnos into even/odd register pairs.
4126         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
4127         TDmode similar to the other floating point modes.
4128         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
4129         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
4130         define_expand's.
4131         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
4132         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
4133         (movdd_hardfloat64): Use TARGET_MFPGPR.
4135 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
4137         * reload1.c (delete_output_reload): Don't count output in n_inherited.
4139         Revert
4140         2005-01-05  Richard Henderson  <rth@redhat.com>
4141         PR rtl-opt/10692
4142         * reload1.c (do_input_reload): Restrict the optimization deleteing
4143         a previous output reload to RELOAD_FOR_INPUT.
4145 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
4147         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
4148         induc_vec_info_type.
4149         (vectorizable_induction): New function declaration.
4150         * tree-vect-transform.c (get_initial_def_for_induction): No need to
4151         check if already vectorized.  Find first place in BB where new stmts
4152         can be inserted.  Takes only one argument.
4153         (vectorizable_induction): New function.
4154         (vect_transform_stmt): Add case for induc_vec_info_type to call
4155         vectorizable_induction.
4156         (vect_transform_loop): Consider phis for vectorization.
4157         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
4158         condition.
4159         (analyze_operations): Call vectorizable_induction when analyzing phis.
4160         Fix comment.
4161         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
4162         (vect_mark_relevant): Include phis in relevance analysis.
4163         (vect_mark_stmts_to_be_vectorize): Likewise.
4164         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
4166 2007-04-16  Lawrence Crowl  <crowl@google.com>
4168         * doc/invoke.texi (Debugging Options): Add documentation for the
4169         -femit-struct-debug options -femit-struct-debug-baseonly,
4170         -femit-struct-debug-reduced, and
4171         -femit-struct-debug-detailed[=...].
4173         * c-opts.c (c_common_handle_option): Add
4174         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
4175         and OPT_femit_struct_debug_detailed_.
4176         * c.opt: Add specifications for
4177         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
4178         and -femit-struct-debug-detailed[=...].
4179         * opts.c (set_struct_debug_option): Parse the
4180         -femit-struct-debug-... options.
4181         * opts.c (matches_main_base, main_input_basename,
4182         main_input_baselength, base_of_path, matches_main_base): Add
4183         variables and functions to compare header base name to compilation
4184         unit base name.
4185         * opts.c (should_emit_struct_debug): Add to determine to emit a
4186         structure based on the option.
4187         (dump_struct_debug) Also disabled function to debug this
4188         function.
4189         * opts.c (handle_options): Save the base name of the
4190         compilation unit.
4192         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
4193         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
4194         This hook indicates if a type is generic.  Set it by default
4195         to "never generic".
4196         * langhooks.h (struct lang_hooks_for_types): Add a new hook
4197         to determine if a struct type is generic or not.
4198         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
4199         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
4200         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
4201         with live C++ hook.
4203         * flags.h (enum debug_info_usage): Add an enumeration to describe
4204         a program's use of a structure type.
4205         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
4206         to indicate the program's usage of the type.  Filter structs based
4207         on the -femit-struct-debug-... specification.
4208         (gen_type_die): Split into two routines, gen_type_die and
4209         gen_type_die_with_usage.  gen_type_die is now a wrapper
4210         that assumes direct usage.
4211         (gen_type_die_with_usage): Replace calls to gen_type_die
4212         with gen_type_die_with_usage adding the program usage of
4213         the referenced type.
4214         (dwarf2out_imported_module_or_decl): Suppress struct debug
4215         information using should_emit_struct_debug when appropriate.
4217 2007-04-16  Ian Lance Taylor  <iant@google.com>
4219         PR tree-optimization/31522
4220         * tree-vrp.c (vr_phi_edge_counts): New static variable.
4221         (vrp_initialize): Allocate vr_phi_edge_counts.
4222         (vrp_visit_phi_node): Don't push to infinity if we saw a new
4223         executable edge.  Drop test for all constants.
4224         (vrp_finalize): Free vrp_phi_edge_counts.
4226         * doc/cpp.texi (Common Predefined Macros): Clarify description of
4227         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
4229         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
4230         predecessors at head rather than tail.
4232 2007-04-16  Matthias Klose  <doko@debian.org>
4234         * config/alpha/linux.h (CPP_SPEC): Define.
4235         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
4237 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
4239         * function.h: Remove sequence_stack extern declaration.
4241 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
4243         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
4244         TARGET_FIDOA.
4245         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
4246         defined.
4248 2007-04-16  Anatoly Sokolov <aesok@post.ru>
4250         * config/avr/avr.c (avr_arch_types): Rearranging  array.
4251         (enum avr_arch): Add.
4252         (avr_mcu_types): Use avr_arch enumeration constants instead of
4253         numbers.
4254         * config/avr/avr.h (LINK_SPEC): Simplify.
4256 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
4258         * config/m68k/m68k.c (m68k_libcall_value,
4259         m68k_function_value): Use macros for register names more.
4261         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
4262         instead.
4263         (M68K_REGNAME): Use A6_REG.
4264         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
4266 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
4268         PR middle-end/28071
4269         * sched-int.h (struct deps): Split field 'pending_lists_length' into
4270         'pending_read_list_length' and 'pending_write_list_length'.  Update
4271         comment.
4272         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
4273         to handle two length counters instead of one.  Update all uses.
4274         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
4275         two length counters instead of one.
4276         * sched-rgn.c (propagate_deps): Update to handle two length counters
4277         instead of one.
4279 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
4281         PR target/31582
4282         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
4283         copy of source, pass it to ix86_expand_vector_set and return
4284         it as target.
4286 2007-04-16  David Ung  <davidu@mips.com>
4287             Joseph Myers  <joseph@codesourcery.com>
4289         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
4290         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
4291         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
4292         Add 74K processor information.
4293         * config/mips/mips.md: Include 74k.md.
4294         (cpu): Add 74kc,74kf,74kx.
4295         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
4296         * config/mips/74k.md: New.
4297         * doc/invoke.texi (MIPS Options): Document 74K support.
4299 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
4301         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
4302         vectorizable_* functions.
4303         * tree-vect-transform.c (vectorizable_call): Add check for
4304         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
4305         (vectorizable_store): likewise.
4306         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
4307         Add comments.
4308         (vectorizable_operation, vectorizable_type_demotion): Likewise.
4309         (vectorizable_type_promotion, vectorizable_load): Likewise.
4310         (vectorizable_live_operation, vectorizable_condition): Likewise.
4311         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
4312         STMT_VINFO_LIVE_P.
4313         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
4315 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
4317         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
4318         register numbers more.
4319         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
4320         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
4321         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
4322         FUNCTION_VALUE_REGNO_P): Likewise.
4323         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
4324         STATIC_CHAIN_REGNUM): Likewise.
4325         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
4326         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
4327         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
4328         * config/m68k/m68k.md (FP_REG): New.
4330 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
4332         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
4333         alignment on fido.
4335 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
4337         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
4338         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
4339         comment typos.
4341 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
4343         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
4344         cold loops.
4346 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4348         PR c/31520
4349         * c-decl.c (finish_decl): Grab the type of the decl after the call
4350         to store_init_value.
4352 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
4354         * common.opt (fforward-propagate): Fix "Optimization" annotation.
4356 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
4358         PR c++/25874
4359         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
4360         post dominators and cleanup cfg before returning.
4362 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
4364         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
4365         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
4367 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
4369         * config.gcc: Recognize fido.
4370         * config/m68k/m68k-devices.def (fidoa): New.
4371         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
4372         __mfido__.
4373         (FL_FIDOA, TARGET_FIDOA): New.
4374         * config/m68k/m68k.opt (mfidoa): New.
4376 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4378         PR middle-end/31322
4379         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
4380         when a personality function is used.
4382 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
4384         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
4386 2007-04-13  Mike Stump  <mrs@apple.com>
4388         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
4389         we can...
4390         * config/darwin.opt (fapple-kext): Make C++ only.
4391         * config/darwin.c (darwin_override_options): Remove code to ensure
4392         -fapple-kext is given for C++ only.
4394 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
4396         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
4397         * config/mips/mips.c (override_options): Call
4398         SUBTARGET_OVERRIDE_OPTIONS, if defined.
4400 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
4402         * config/i386/i386.opt (msvr3-shlib): Removed.
4404         * doc/invoke.texi: Remove -msvr3-shlib.
4406 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
4408         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
4409         with "popcnt" instruction.
4411 2007-04-13  Richard Guenther  <rguenther@suse.de>
4413         PR tree-optimization/21258
4414         * tree-vrp.c (compare_case_labels): New helper.
4415         (find_switch_asserts): New function.
4416         (find_assert_locations): Call it for SWITCH_EXPRs.
4418 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
4420         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
4421         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
4422         check is now implied in X87_FLOAT_MODE_P.
4423         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
4424         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
4425         (fix_trunc<mode>_i386_fisttp): Ditto.
4426         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
4427         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
4428         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
4429         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
4430         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
4431         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
4432         (unnamed_splitters): Ditto.
4433         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
4434         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
4435         FIRST_SSE_REG for local functions when SSE math is enabled or
4436         for functions with sseregparm attribute.
4437         (standard_80387_constant_p): Return -1 if mode is not
4438         X87_FLOAT_MODE_P.
4439         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
4440         (ix86_expand_compare): Ditto.
4441         (ix86_expand_carry_flag_compare): Ditto.
4442         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
4443         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
4444         DECIMAL_FLOAT_MODE_P.
4445         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
4446         of SCALAR_FLOAT_MODE_P.
4447         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
4448         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
4449         checks before FLOAT_MODE_P.
4450         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
4451         before FLOAT_MODE_P.
4452         [DIV]: Ditto.
4453         [NEG]: Ditto.
4454         [ABS]: Ditto.
4455         [SQRT]: Ditto.
4456         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
4458 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
4459             Charles Wilson  <libtool@cwilson.fastmail.fm>
4461         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
4462         (libgcc.mvars): Don't depend on them.
4463         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
4464         * exec-tool.in: New.
4466 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
4468         * doc/invoke.text (--help): Document --help=common.
4470 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
4472         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
4474 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
4476         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
4477         * genemit.c (main): Emit #include "integrate.h".
4478         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
4479         (LOADGP_RTP): New mips_loadgp_style.
4480         * config/mips/mips.h: Include config/vxworks-dummy.h.
4481         (TARGET_RTP_PIC): New macro.
4482         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
4483         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
4484         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
4485         for TARGET_RTP_PIC.
4486         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
4487         -mvxworks-pic when using -mrtp and a PIC option.
4488         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
4489         for RTP PIC.
4490         (mips_symbolic_constant_p, mips_symbolic_address_p)
4491         (mips_symbol_insns): Handle SYMBOL_HALF.
4492         (override_options): Warn about -G and -mrtp being used together.
4493         Initialize mips_lo_relocs[SYMBOL_HALF].
4494         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
4495         (mips_emit_loadgp): Handle LOADGP_RTP.
4496         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
4497         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
4498         (tablejump): Handle function-relative case table entries if
4499         TARGET_RTP_PIC.
4500         * config/mips/predicates.md (symbol_ref_operand): New predicate.
4502 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
4504         * config/mips/mips.md (load_call<mode>): Allow any general register.
4505         destination.
4506         (sibcall_value_internal, sibcall_value_multiple_internal)
4507         (call_value_internal, call_value_split, call_value_multiple_internal)
4508         (call_value_multiple_split): Remove constraints from operand 0.
4510 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
4512         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
4513         rather than loadgp_noshared.
4514         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
4515         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
4516         gen_loadgp.
4517         * config/mips/mips.md (loadgp): Rename to...
4518         (loadgp_newabi): ...this.
4519         (loadgp_noshared): Rename to...
4520         (loadgp_absolute): ...this.
4522 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
4524         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
4525         false for locally-binding symbols.
4526         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
4528 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
4530         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
4531         (SYMBOL_GOT_PAGE_OFST): ...this.
4532         (SYMBOL_GOT_GLOBAL): Rename to...
4533         (SYMBOL_GOT_DISP): ...this.
4534         (SYMBOL_GOTOFF_GLOBAL): Rename to...
4535         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
4536         * config/mips/mips.c (mips_global_symbol_p): New function.
4537         (mips_symbol_binds_local_p): Likewise.
4538         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
4539         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
4540         and mips_symbol_binds_local_p.
4541         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
4542         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
4543         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
4544         SYMBOL_GOTOFF_DISP.
4545         (mips_ok_for_lazy_binding_p): New function.
4546         (mips_load_call_address, mips_expand_call): Use it.
4547         (mips_dangerous_for_la25_p): Likewise.
4548         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
4549         (*got_disp<mode>): Use got_disp_operand instead of
4550         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
4551         SYMBOL_GOTOFF_GLOBAL.
4552         (*got_page<mode>): Use got_page_ofst_operand instead of
4553         local_got_operand.
4554         * config/mips/predicates.md (const_call_insn_operand): Use
4555         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
4556         (global_got_operand): Rename to...
4557         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
4558         SYMBOL_GOT_GLOBAL.
4559         (local_got_operand): Rename to...
4560         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
4561         of SYMBOL_GOT_LOCAL.
4563 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
4565         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
4566         TARGET_CALL_CLOBBERED_GP.
4567         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
4568         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
4569         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
4570         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
4571         of TARGET_ABICALLS && !TARGET_NEWABI.
4572         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
4573         * config/mips/mips.c (mips_load_call_address): Check
4574         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
4575         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
4576         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
4577         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
4578         TARGET_ABICALLS && TARGET_NEWABI.
4579         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
4580         TARGET_ABICALLS.
4581         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
4582         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
4583         TARGET_ABICALLS && TARGET_NEWABI.
4584         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
4585         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
4586         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
4587         whether indirect calls must use $25.
4588         (mips_extra_live_on_entry): Check TARGET_GOT instead of
4589         TARGET_ABICALLS.
4590         * config/mips/mips.md (jal_macro): Check flag_pic and
4591         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
4592         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
4593         instead of TARGET_ABICALLS.
4594         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
4595         TARGET_ABICALLS && TARGET_OLDABI.
4596         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
4597         (sibcall): In the comment above the define_insn, mention
4598         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
4599         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
4600         instead of TARGET_ABICALLS.
4602 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
4604         * doc/md.texi (Blackfin family constraints): Document PA and PB.
4605         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
4606         (MACFLAGS_MATCH_P): New macro.
4607         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
4608         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
4609         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
4610         the other MACFLAG constants.
4611         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
4612         (flag_machi): Tighten constraints.  Renumber some of the operands.
4613         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
4614         output template.
4615         (flag_machi_parts_acconly): New pattern.
4616         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
4617         used.
4618         (flag_macinit1hi): Tighten constraints.
4619         (flag_mul_macv2hi_parts_acconly): New pattern.
4621         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
4622         Use a more efficient implementation.
4623         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
4624         inline sequences when not optimizing for size.
4626         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
4627         movhi_high2low): Delete, merge functionality into...
4628         (packv2hi): ... this pattern.
4630         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
4631         * config/bfin/bfin.opt (msim): New option.
4632         (mcpu=): New option.
4633         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
4634         (bfin_cpu_t): Typedef of enum bfin_cpu.
4635         (bfin_cpu_type): New declaration.
4636         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
4637         -msim and -mcpu= options.
4638         (LIB_SPEC): Likewise.
4639         * config/bfin/bfin.c (bfin_cpu_type): Define.
4640         (bfin_handle_option): Handle -mcpu= option.
4641         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
4642         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
4643         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
4645 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
4647         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
4648         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
4649         (powerpc-wrs-vxworksae): Use ${tm_file}.
4650         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
4651         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
4652         * config/i386/vx-common.h: New file.
4654 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
4656         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
4657         of crt0.o%s.
4659 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4661         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
4662         ldxtr.
4664 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
4666         PR c++/31078
4667         PR c++/31103
4668         * c-common.c (c_build_qualified_type): Set canonical type
4669         appropriately.
4671 2007-04-12  Richard Guenther  <rguenther@suse.de>
4673         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
4674         lower bound and element size if lower bound is not zero
4675         or either of the ARRAY_REF operands is set.
4677 2007-04-12  Richard Guenther  <rguenther@suse.de>
4679         PR tree-optimization/24689
4680         PR tree-optimization/31307
4681         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
4682         indices by value.
4683         * gimplify.c (canonicalize_addr_expr): To be consistent with
4684         gimplify_compound_lval only set operands two and three of
4685         ARRAY_REFs if they are not gimple_min_invariant.  This makes
4686         it never at this place.
4687         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
4689 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4691         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
4692         null before emitting a .nsubspa directive.
4694 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
4696         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
4697         need_to_partition_p if there are no memory statements in the
4698         function.
4700 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
4702         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
4703         (gcd_of_steps_may_divide_p): New function.
4704         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
4706 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4708         * reload.c (find_reloads_toplev, find_reloads_address,
4709         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
4710         not a pointer equality test, to decide if we need to call
4711         push_reg_equiv_alt_mem.
4713 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
4715         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
4716         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
4717         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
4719 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
4721         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
4722         vector to be positive.
4724 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
4726         PR 30735
4727         PR 31090
4728         * doc/invoke.texi: Document --params max-aliased-vops and
4729         avg-aliased-vops.
4730         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
4731         debug_memory_partitions): Move to tree-flow.h
4732         * params.h (AVG_ALIASED_VOPS): Define.
4733         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
4734         users.
4735         (mp_info_t): Likewise.
4736         (get_mem_sym_stats_for): New.
4737         (set_memory_partition): Move from tree-flow-inline.h.
4738         (mark_non_addressable): Only clear the set of symbols for the
4739         partition if it exists.
4740         (dump_memory_partitions): Move from tree-ssa-operands.c
4741         (debug_memory_partitions): Likewise.
4742         (need_to_partition_p): New.
4743         (dump_mem_ref_stats): New.
4744         (debug_mem_ref_stats): New.
4745         (dump_mem_sym_stats): New.
4746         (debug_mem_sym_stats): New.
4747         (update_mem_sym_stats_from_stmt): New.
4748         (compare_mp_info_entries): New.
4749         (mp_info_cmp): Call it.
4750         (sort_mp_info): Change argument to a list of mem_sym_stats_t
4751         objects.
4752         (get_mpt_for): Move from tree-ssa-operands.c.
4753         (find_partition_for): New.
4754         (create_partition_for): Remove.
4755         (estimate_vop_reduction): New.
4756         (update_reference_counts): New.
4757         (build_mp_info): New.
4758         (compute_memory_partitions): Refactor.
4759         Document new heuristic.
4760         Call build_mp_info, update_reference_counts,
4761         find_partition_for and estimate_vop_reduction.
4762         (compute_may_aliases): Populate virtual operands before
4763         calling debugging dumps.
4764         (delete_mem_sym_stats): New.
4765         (delete_mem_ref_stats): New.
4766         (init_mem_ref_stats): New.
4767         (init_alias_info): Call it.
4768         (maybe_create_global_var): Remove alias_info argument.
4769         Get number of call sites and number of pure/const call sites
4770         from gimple_mem_ref_stats().
4771         (dump_alias_info): Call dump_memory_partitions first.
4772         (dump_points_to_info_for): Show how many times a pointer has
4773         been dereferenced.
4774         * opts.c (decode_options): For -O2 set --param
4775         max-aliased-vops to 500.
4776         For -O3 set --param max-aliased-vops to 1000 and --param
4777         avg-aliased-vops to 3.
4778         * fortran/options.c (gfc_init_options): Remove assignment to
4779         MAX_ALIASED_VOPS.
4780         * tree-flow-inline.h (gimple_mem_ref_stats): New.
4781         * tree-dfa.c (dump_variable): Dump memory reference
4782         statistics.
4783         Dump NO_ALIAS* settings.
4784         (referenced_var_lookup): Tidy.
4785         (mem_sym_stats): New.
4786         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
4787         and ORIG are different SSA names for a memory partition.
4788         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
4789         * tree-flow.h (struct mem_sym_stats_d): Define.
4790         (mem_sym_stats_t): Define.
4791         (struct mem_ref_stats_d): Define.
4792         (struct gimple_df): Add field mem_ref_stats.
4793         (enum noalias_state): Define.
4794         (struct var_ann_d): Add bitfield noalias_state.
4795         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
4796         debug_mem_ref_stats, debug_memory_partitions,
4797         debug_mem_sym_stats): Declare.
4798         * tree-ssa-structalias.c (update_alias_info): Update call
4799         sites, pure/const call sites and asm sites in structure
4800         returned by gimple_mem_ref_stats.
4801         Remove local variable IS_POTENTIAL_DEREF.
4802         Increase NUM_DEREFS if the memory expression is a potential
4803         dereference.
4804         Call update_mem_sym_stats_from_stmt.
4805         If the memory references memory, call
4806         update_mem_sym_stats_from_stmt for all the direct memory
4807         symbol references found.
4808         (intra_create_variable_infos): Set noalias_state field for
4809         pointer arguments according to the value of
4810         flag_argument_noalias.
4811         * tree-ssa-structalias.h (struct alias_info): Remove fields
4812         num_calls_found and num_pure_const_calls_found.
4813         (update_mem_sym_stats_from_stmt): Declare.
4814         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
4815         Set default value to 100.
4816         (PARAM_AVG_ALIASED_VOPS): Define.
4818 2007-04-11  Richard Guenther  <rguenther@suse.de>
4820         PR middle-end/31530
4821         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
4822         a * -b + c as c - a * b if we honor sign dependent rounding.
4824 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4826         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
4827         bfin_expand_strmov.
4828         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
4829         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
4830         variables.
4831         (initialize_trampoline): Don't use old-style function definition.
4832         (bfin_secondary_reload): Mark IN_P argument as unused.
4834 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
4836         PR tree-optimization/31343
4837         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
4838         (build_polynomial_chrec): Return a scalar when the evolution is zero.
4839         * testsuite/gcc.dg/vect/pr31343.c: New.
4841 2007-04-10  Eric Christopher  <echristo@apple.com>
4843         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
4844         * config/i386/i386.md (*cmpfp0): Use.
4845         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
4846         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
4847         (fix_trunc<mode>_i386_fisttp): Ditto.
4848         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
4849         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
4850         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
4851         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
4852         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
4853         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
4854         (unnamed_splitters): Ditto.
4855         * config/i386/i386.c (output_fix_trunc): Assert that
4856         we're not being passed a TFmode operand.
4858 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
4860         PR tree-optimization/31526
4861         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
4862         n_basic_blocks to find newly added blocks.
4864 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
4866         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
4867         alternative.
4868         (fix_trunc<mode>si_sse): Ditto.
4869         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
4870         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
4871         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
4872         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
4873         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
4874         expander using SSEMODEF mode macro.
4875         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
4876         expander using SSEMODEF mode macro.
4877         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
4878         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
4879         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
4880         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
4881         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
4882         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
4883         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
4884         Macroize insn using X87MODEF mode macro.
4886 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4888         * config/i386/sse.md (sse2_pinsrw): Removed.
4889         (sse2_pextrw): Renamed to ...
4890         (*sse2_pextrw): This.
4892 2007-04-09  Jan Hubicka  <jh@suse.cz>
4894         PR target/27869
4895         * config/i386/sse.md
4896         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
4897         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
4898         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
4899         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
4901 2007-04-09  Jan Hubicka  <jh@suse.cz>
4903         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
4904         multiple fields of union.
4906 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
4908         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
4909         (create_preheaders): Check that loops are available.
4910         (fix_loop_structure): Clean up, improve comments.
4911         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
4912         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
4913         state flags.
4914         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
4915         * predict.c (tree_estimate_probability): Do not call
4916         calculate_dominance_info.  Call create_preheaders.
4917         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
4918         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
4919         flags.
4920         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
4921         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
4922         * tree-cfg.c (tree_split_edge): Make an assert more precise.
4923         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
4924         arguments.
4926 2007-04-08  Jan Hubicka  <jh@suse.cz>
4928         * tree.h (maybe_fold_offset_to_component_ref): Declare.
4929         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
4930         * fold-const.c (fold_unary): Use it.
4932 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4934         * varasm.c (assemble_variable): Remove call to
4935         lang_hooks.decls.prepare_assemble_variable.
4936         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
4937         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
4938         * langhooks.h (lang_hooks_for_decls): Remove
4939         prepare_assemble_variable.
4941 2007-04-08  Mike Stump  <mrs@apple.com>
4943         * config/i386/i386.c: Use inc/dec on Core2.
4945 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
4947         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
4948         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
4949         lhd_tree_inlining_end_inlining): Remove.
4950         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
4951         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
4952         end_inlining hooks.
4953         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
4954         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
4955         lhd_tree_inlining_end_inlining): Remove prototypes.
4956         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
4957         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
4958         LANG_HOOKS_TREE_INLINING_START_INLINING,
4959         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
4961         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
4962         not set it.
4964 2007-04-08  Anatoly Sokolov <aesok@post.ru>
4966         PR target/29932
4967         * config/avr/predicates.md (io_address_operand): Delete predicate.
4968         (low_io_address_operand): Don't use 'mode' argument.
4969         (higth_io_address_operand): Rename ...
4970         (high_io_address_operand): ... to this. Don't use 'mode' argument.
4971         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
4972         for above change.
4974 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
4976         Revert change removing staticp.
4978 2007-04-07  Anatoly Sokolov <aesok@post.ru>
4980         PR target/30289
4981         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
4982         earlyclobber.
4984 2007-04-07  Bruce Korb  <bkorb@gnu.org>
4986         * c.opt: Add -Wformat-contains-nul.
4987         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
4988           -Wformat setting.
4989         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
4990         the NUL byte warning.
4992 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
4994         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
4996 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
4998         * tree.c (staticp): No longer use staticp langhook.
4999         * langhooks.c (lhd_staticp): Removed.
5000         * langhooks.h (struct lang_hooks): Remove staticp.
5001         * c-common.c (c_staticp): Remove.
5002         * c-common.h (c_staticp): Ditto.
5003         * langhooks-defs.h (lhd_staticp): Ditto.
5004         (LHD_HOOKS_STATICP): Ditto
5005         * tree.h (gcc_assert_lowered): New macro.
5007 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
5009         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
5010         argument "reliable".
5011         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
5012         Add argument "reliable".  Propagate it through calls.
5013         (infer_loop_bounds_from_undefined):  Derive number of iterations
5014         estimates from references in blocks that do not dominate loop latch.
5015         (gcov_type_to_double_int): New function.
5016         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
5017         and expected_loop_iterations_unbounded.
5018         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
5019         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
5020         * tree-data-ref.c (estimated_loop_iterations): Export.
5021         (get_references_in_stmt): Fix -- do not return addresses of local
5022         objects.
5023         * cfgloop.h (expected_loop_iterations_unbounded,
5024         estimated_loop_iterations): Declare.
5026 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
5028         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
5030 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
5032         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
5033         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
5034         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
5035         Use output_387_reg_move().
5036         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
5037         expander using X87MODEF12 mode macro.
5038         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
5039         choosing register preferences.  Use output_387_reg_move().
5040         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
5041         instead of "x".  Use output_387_reg_move().
5042         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
5043         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
5044         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
5045         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
5046         Use output_387_reg_move().
5047         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
5048         mode macro.
5049         (*truncxf?f_i387 splitter): Ditto.
5051 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
5053         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
5054         LANG_HOOKS_SAFE_FROM_P.
5055         * expr.c (safe_from_p): Remove langhook call.
5056         * langhooks.h (lang_hooks): Remove safe_from_p.
5057         (lhd_safe_from_p): Remove prototype.
5058         * langhooks.c (lhd_safe_from_p): Remove.
5060 2007-04-06  Jan Hubicka  <jh@suse.cz>
5062         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
5063         functions.
5065 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
5067         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
5068         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
5069         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
5070         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
5071         alternative.
5072         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
5073         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
5075 2007-04-05  Richard Henderson  <rth@redhat.com>
5077         * config/alpha/alpha.c (print_operand) [+]: Remove.
5078         (alpha_end_function): Print nop if call at end of function.
5079         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
5080         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
5081         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
5082         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
5083         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
5084         the call pattern. Update peepholes to match.
5086 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
5088         * doc/extend.texi (Other Builtins): Add decimal float variants
5089         of signbit.
5090         * builtins.def: Ditto.
5091         * builtins.c (expand_builtin): Ditto.
5093 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
5094             H.J. Lu  <hongjiu.lu@intel.com>
5096         PR target/31478
5097         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
5098         of V8HImode when calling ix86_binary_operator_ok.
5099         (sse2_pmaddwd): Call ix86_binary_operator_ok.
5100         (sdot_prodv8hi): Operands 1 and 2 must be register.
5102 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
5104         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
5105         initialize align to silence bogus warning.
5107 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
5109         PR middle-end/22156
5110         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
5111         all_no_warning.
5112         (struct sra_walk_fns): Remove use_all parameter from use.
5113         (sra_hash_tree): Handle BIT_FIELD_REFs.
5114         (sra_elt_hash): Don't hash bitfld blocks.
5115         (sra_elt_eq): Skip them in parent compares as well.  Handle
5116         BIT_FIELD_REFs.
5117         (sra_walk_expr): Don't maintain or pass down use_all_p.
5118         (scan_use): Remove use_all parameter.
5119         (scalarize_use): Likewise.  Re-expand assignment to
5120         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
5121         output, and re-scalarize after output.  Don't mark anything
5122         for no warning.
5123         (scalarize_ldst): Adjust.
5124         (scalarize_walk_gimple_modify_statement): Likewise.
5125         (build_element_name_1): Handle BIT_FIELD_REFs.
5126         (instantiate_element): Don't warn for any element whose parent
5127         is used as a whole.
5128         (instantiate_missing_elements_1): Return the sra_elt.
5129         (canon_type_for_field): New.
5130         (try_instantiate_multiple_fields): New.
5131         (instantiate_missing_elemnts): Use them.
5132         (mark_no_warning): Removed.
5133         (generate_one_element_ref): Handle BIT_FIELD_REFs.
5134         (REPLDUP, sra_build_elt_assignment): New.
5135         (generate_copy_inout): Use them.
5136         (generate_element_copy): Likewise.  Handle bitfld differences.
5137         (generate_element_zero): Don't recurse for blocks.  Use
5138         sra_build_elt_assignment.
5139         (generate_one_element_int): Take elt instead of var.  Use
5140         sra_build_elt_assignment.
5141         (generate_element_init_1): Adjust.
5142         (scalarize_use, scalarize_copy): Use REPLDUP.
5143         (scalarize_ldst): Move assert before dereference.
5144         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
5146 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
5148         * regmove.c: Fix unused variable warnings due to previous commit.
5150 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
5152         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
5153         (regmove_bb_head): Remove.
5154         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
5155         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
5156         problems with fixup_match_1.
5157         Don't initialize/free regmove_bb_head.
5159         (reg_is_remote_constant_p): If an insn is in the same basic block
5160         but not before INSN, consider it remote, too.
5162 2007-04-05  Anatoly Sokolov <aesok@post.ru>
5164         PR target/25448
5165         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
5166         DECL_ASSEMBLER_NAME, not the DECL_NAME.
5168 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
5170         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
5171         (CONDITIONAL_REGISTER_USAGE): Likewise.
5173 2007-04-04  Richard Henderson  <rth@redhat.com>
5175         * config/alpha/lib1funcs.asm: Remove unused file.
5177 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
5179         PR other/31356
5180         * opts.c (print_specific_help): Fix --help=<language>
5181         header line.
5182         (common_handle_option): Support --help=common.
5184 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
5186         PR other/31353
5187         * gcc.c (main): Do not run the linker if
5188         print_subprocess_help indicates that it shouldn't be
5189         run.
5191 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
5193         PR doc/31355
5194         * doc/invoke.texi (--help=): Document <languages> value, fix
5195         formatting in tables of values.
5197 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
5199         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
5200         dllimport attribute of virtual methods.
5202 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
5204         * config/score/crti.asm: Change _bss_start to __bss_start.
5205         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
5206         (OUTGOING_REG_PARM_STACK_SPACE) update.
5207         * config/score/score.opt: add options to make backend support
5208         score5, score5u, score7 and score7d.
5209         * config/score/score.md: Likewise.
5210         * config/score/misc.md: Likewise.
5211         * config/score/mac.md: Likewise.
5212         * doc/invoke.texi: Likewise.
5213         * doc/md.texi: update constraints define.
5215 2007-04-03  Richard Henderson  <rth@redhat.com>
5217         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
5218         an appropriate type, use the mode instead.
5220 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
5222         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
5223         Set the default --with-arch setting to mips2.
5224         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
5225         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
5226         (MULTILIB_OSDIRNAMES): Delete.
5227         (MULTILIB_DIRNAMES): Define.
5228         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
5229         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
5230         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
5231         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
5232         VXWORKS_OS_CPP_BUILTINS.
5233         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
5234         (MIPS_DEBUGGING_INFO): Undefine.
5235         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
5237 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
5239         PR middle-end/30704
5240         * fold-const.c (native_encode_real): Encode real.c provided longs
5241         as a series of 32-bit native integers.
5242         (native_interpret_real): Interpret buffer as a series of 32-bit
5243         native integers.
5245 2007-04-03  Richard Guenther  <rguenther@suse.de>
5247         * genpreds.c (write_insn_constraint_len): Write function
5248         optimized for CONSTRAINT_LEN implementation.
5249         (write_tm_preds_h): Output insn_constraint_len inline and
5250         use it for CONSTRAINT_LEN.
5251         (write_insn_preds_c): Don't output insn_constraint_len.
5252         * doc/md.texi (define_register_constraint): Document multi-letter
5253         constraints shall have the same length if they start with the same
5254         letter.
5256 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
5258         PR target/31175
5259         * config/i386/i386.md (isinf<mode>2): Expand only when
5260         TARGET_C99_FUNCTIONS is set.
5262 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
5264         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
5265         (x86_64-*-linux*): Ditto.
5266         * config/i386/i386.opt (mpc): New option.
5267         * config/i386/i386.c (overrride_options): Handle
5268         ix87_precision_string.
5269         * config/i386/crtprec.c: New file.
5270         * config/i386/t-crtpc: Ditto.
5271         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
5272         and -mpc80 options.
5273         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
5274         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
5275         crtprec32.o, crtprec64.o and crtprec80.o.
5277         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
5278         and -mpc80 options.
5279         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
5281 2007-04-02  Eric Christopher  <echristo@apple.com>
5283         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
5284         limitations on darwin.
5286 2007-04-02  Anatoly Sokolov <aesok@post.ru>
5288         PR target/31137
5289         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
5291 2007-04-02  Dave Korn  <dave.korn@artimi.com>
5293         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
5295 2007-04-02  Dave Korn  <dave.korn@artimi.com>
5297         * libgcc2.h (exception_descriptor): Don't forward-declare.
5298         (__get_eh_table_language, __get_eh_table_version): Delete
5299         prototypes of long-dead functions.
5301 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
5303         * ebitmap.h: New file
5304         * ebitmap.c: New file
5305         * Makefile.in (ebitmap.o): New target.
5307 2007-04-01  Jan Hubicka  <jh@suse.cz>
5309         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
5310         before very first instruction.
5312 2007-04-01  Jan Hubicka  <jh@suse.cz>
5314         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
5315         waring on 64bit hosts.
5316         * bitmap.h: Fix typo in bitmap_head_def.
5318 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
5320         PR rtl-optimization/31391
5321         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
5322         into a DELETED_LABEL note, and the label is in an empty basic
5323         block, update BB_END as well as BB_HEAD.
5325 2007-04-01  Richard Henderson  <rth@redhat.com>
5327         PR tree-optimization/31169
5328         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
5329         to varying if the range is outside [0,  prec-1].
5331 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
5333         PR target/31388
5334         * config/mips/mips.md (load_const_gp): New insn.
5335         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
5336         the MIPS16 GP pseudo register if no_new_pseudos.
5337         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
5339 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5341         PR target/31364
5342         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
5343         secureplt.
5344         (call_value): Likewise.
5346 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
5347             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5349         PR 14737
5350         * doc/invoke.texi: (optimization options): Reword description
5351         of -ffast-math. Document its primary purpose.
5353 2007-03-31  Richard Guenther  <rguenther@suse.de>
5355         * omp-low.c (splay-tree.h): Include.
5356         (lookup_decl): Replace splay-tree usage by pointer-map.
5357         (maybe_lookup_decl): Likewise.
5358         (new_omp_context): Likewise.
5359         (delete_omp_context): Likewise.
5360         * gimplify.c (splay-tree.h): Include.
5361         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
5362         pointer-map.
5363         (remap_ssa_name): Likewise.
5364         (remap_decl): Likewise.
5365         (remap_type_1): Likewise.
5366         (remap_type): Likewise.
5367         (copy_body_r): Likewise.
5368         (expand_call_inline): Likewise.
5369         (clone_body): Likewise.
5370         (copy_tree_r): Likewise.
5371         (remap_save_expr): Likewise.
5372         (unsave_r): Likewise.
5373         (unsave_expr_now): Likewise.
5374         (tree_function_versioning): Likewise.
5375         (build_duplicate_type): Likewise.
5376         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
5377         (struct copy_body_data): Replace splay-tree by pointer-map.
5378         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
5379         not $(SPLAY_TREE_H).
5380         (gimplify.o): Depend on $(SPLAY_TREE_H).
5381         (omp-low.p): Likewise.
5383 2007-03-31  Anatoly Sokolov <aesok@post.ru>
5385         * config/avr/predicates.md (even_register_operand,
5386         odd_register_operand): New predicates.
5387         * config/avr/avr.md (movw peephole2): New.
5388         (movw_r peephole2): New.
5390 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
5392         * tree.h (get_signed_or_unsigned_type): New.
5393         * fold-const.c (operand_equal_for_comparison_p): Use
5394         get_signed_or_unsigned_type instead of
5395         lang_hooks.types.signed_or_unsigned_type.
5396         * expr.c (store_expr): Ditto.
5397         * langhooks.c (get_signed_or_unsigned_type): New.
5398         (lhd_signed_or_unsigned_type): New.
5399         * langhooks.h (lhd_signed_or_unsigned_type): New.
5400         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
5402 2007-03-30  Richard Henderson  <rth@redhat.com>
5404         * tree-ssa-loop-ivopts.c: Include target.h.
5405         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
5406         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
5407         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
5408         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
5410 2007-03-30  Richard Henderson  <rth@redhat.com>
5411             Kai Tietz  <kai.tietz@onevision.com>
5413         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
5414         default for 64-bit.
5415         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
5416         (TARGET_64BIT_MS_ABI): New.
5417         (DBX_REGISTER_NUMBER): Handle 64-bit.
5418         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
5419         (LONG_TYPE_SIZE): Force to 32.
5420         (REG_PARM_STACK_SPACE): New.
5421         (OUTGOING_REG_PARM_STACK_SPACE): New.
5422         (REGPARM_MAX, SSE_REGPARM_MAX): New.
5423         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
5424         (STACK_BOUNDARY): Use 128 for 64-bit.
5425         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
5426         Add 64-bit implementation.
5427         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
5428         argument unused.
5429         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
5430         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
5431         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
5432         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
5433         (ix86_handle_cconv_attribute): Don't warn when ignoring if
5434         TARGET_64BIT_MS_ABI.
5435         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
5436         (ix86_pass_by_reference): Likewise.
5437         (ix86_function_value_regno_p): Likewise.
5438         (ix86_build_builtin_va_list): Likewise.
5439         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
5440         (function_arg_advance_ms_64): New.
5441         (function_arg_advance): Call it.
5442         (function_arg_ms_64): New.
5443         (function_arg): Call it.
5444         (function_value_ms_64): New.
5445         (ix86_function_value_1): Call it.
5446         (return_in_memory_ms_64): New.
5447         (ix86_return_in_memory): Call it.
5448         (setup_incoming_varargs_ms_64): New.
5449         (ix86_setup_incoming_varargs): Call it.
5450         (ix86_expand_prologue): Handle 64-bit stack probing.
5451         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
5452         (output_pic_addr_const): Likewise.
5453         (x86_this_parameter): Likewise.
5454         (x86_output_mi_thunk): Likewise.
5455         (x86_function_profiler): Likewise.
5456         (TARGET_STRICT_ARGUMENT_NAMING): New.
5457         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
5458         (TARGET_64BIT_MS_ABI): New.
5459         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
5460         * config/i386/i386.md (allocate_stack_worker): Remove.
5461         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
5462         describe the clobber of eax without a match_scratch.
5463         (allocate_stack_worker_postreload): Remove.
5464         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
5465         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
5466         (allocate_stack_worker_rex64_postreload): Remove.
5467         (allocate_stack): Handle 64-bit.
5468         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
5469         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
5470         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
5471         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
5472         (STANDARD_STARTFILE_PREFIX_1): Likewise.
5473         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
5474         * config.build (x86_64-*-mingw*): New host.
5475         * config.host (x86_64-*-mingw*): New host.
5476         * config.gcc (x86_64-*-mingw*): New target.
5477         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
5479 2007-03-30  Richard Henderson  <rth@redhat.com>
5480             Kai Tietz  <kai.tietz@onevision.com>
5482         * c-pragma.c (struct def_pragma_macro_value): New.
5483         (struct def_pragma_macro): New.
5484         (pushed_macro_table): New.
5485         (dpm_hash, dpm_eq): New.
5486         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
5487         (init_pragma): Install them.
5488         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
5490 2007-03-30  Anatoly Sokolov <aesok@post.ru>
5492         * config/avr/avr.c (avr_override_options): Clear
5493         'flag_delete_null_pointer_checks'.
5495 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
5497         PR c++/26099
5498         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
5499         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
5500         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
5501         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
5502         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
5503         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
5504         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
5505         C++ extensions.
5506         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
5508 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
5510         * regmove.c: Move all of pass_stack_adjustments from here...
5511         * combine-stack-adj.c: ...to this new file.
5512         * Makefile.in: Add rules for combine-stack-adj.o.
5514 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
5516         PR tree-optimization/31383
5517         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
5518         to have the same length.
5520 2007-03-30  Jan Hubicka  <jh@suse.cz>
5522         PR middle-end/30700
5523         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
5524         availablility; add more sanity checking; ask varpool only about
5525         VAR_DECL.
5527 2007-03-29  Richard Henderson  <rth@redhat.com>
5529         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
5530         to decide, but __SIZEOF_LONG_LONG__.
5532 2007-03-29  Richard Henderson  <rth@redhat.com>
5534         * emutls.c (struct __emutls_array): New.
5535         (emutls_destroy): Use it instead of casting element 0 from void*.
5536         (__emutls_get_address): Likewise.
5538 2007-03-29  Richard Henderson  <rth@redhat.com>
5540         * varasm.c (initializer_constant_valid_p): Don't deny
5541         DECL_DLLIMPORT_P on functions.
5543         * config/i386/cygming.h: Remove function declarations.
5544         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
5545         (ASM_OUTPUT_LABELREF): Remove.
5546         (COMMON_ASM_OP): Remove.
5547         (ASM_OUTPUT_COMMON): Remove.
5548         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
5549         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
5550         (ASM_DECLARE_FUNCTION_NAME): Likewise.
5551         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
5552         Rename from TARGET_ENCODE_SECTION_INFO.
5553         * config/i386/netware.h: Likewise.
5554         * config/i386/i386-protos.h: Update.
5555         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
5556         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
5557         (legitimate_constant_p): Reject dllimports.
5558         (dllimport_map, get_dllimport_decl): New.
5559         (legitimize_dllimport_symbol): New.
5560         (legitimize_address, ix86_expand_move): Use it.
5561         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
5562         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
5563         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
5564         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
5565         * config/i386/predicates.md (constant_call_address_operand): Only
5566         accept symbols; reject dllimport_p symbols.
5567         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
5568         i386_pe_maybe_record_exported_symbol.
5569         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
5570         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
5571         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
5572         trust the setting of DECL_DLLIMPORT_P.
5573         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
5574         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
5575         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
5576         tidy the argument scanning loop.
5577         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
5578         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
5579         (i386_pe_strip_name_encoding): Remove.
5580         (i386_pe_binds_local_p): New.
5581         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
5582         (i386_pe_output_labelref): Remove.
5583         (i386_pe_asm_output_aligned_decl_common): New.
5584         (i386_pe_maybe_record_exported_symbol): Rename from
5585         i386_pe_record_exported_symbol; check for dllexported symbols.
5587 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
5589         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
5590         add comment explaining why vsnprintf cannot be used.
5592 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
5594         PR tree-optimization/30666
5595         * tree.c (build_complex_type): When creating type names for DWARF2
5596         debug info, create TYPE_DECLs for TYPE_NAME instead of
5597         IDENTIFIER_NODEs.
5598         (build_common_tree_nodes_2): Use build_complex_type when building
5599         predefined complex types, to preserve canonical types.
5601 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
5603         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
5604         (noce_get_alt_condition): Look at it to determine whether to
5605         reverse the condition or not.
5606         (noce_get_condition): Substitute the truth for lies.
5607         (noce_find_if_block): Set the then_else_reversed field.
5609 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
5611         * config/fr30/fr30.md (movdi): Do not accept immediates as the
5612         destination of this insn.
5613         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
5614         than calling gen_rtx_SET directly.  Use r0 to hold the value of
5615         'address + 4' rather than a stack based temporary which can be
5616         mis-optimized away.
5618 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
5620         * config/s390/s390.c (s390_secondary_input_reload_class,
5621         s390_secondary_output_reload_class): Functions removed.
5622         (s390_secondary_reload): New function.
5623         (TARGET_SECONDARY_RELOAD): Target macro defined.
5624         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
5625         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
5626         * config/s390/s390.md ("reload_outti", "reload_outdi",
5627         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
5628         "reload_out<mode>"): Expanders removed.
5629         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
5630         "reload<mode>_nonoffmem_out"): Expanders added.
5632 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
5634         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
5635         SRC->DEST replacement failed anyway.
5637 2007-03-28  Mike Stump  <mrs@apple.com>
5639         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
5640         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
5641         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
5643 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5645         * config.gcc: Accept barcelona as a variant of amdfam10.
5646         * config/i386/i386.c (override_options): Likewise.
5647         * doc/invoke.texi: Likewise.
5649 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
5651         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
5652         offsets for BIT_FIELD_REF and COMPONENT_REF.
5654 2007-03-28  Richard Guenther  <rguenther@suse.de>
5656         * tree.c (is_global_var): Move ...
5657         * tree-flow-inline.h (is_global_var): ... here.
5658         * tree.h (is_global_var): Remove declaration.
5660 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
5662         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
5663         option.
5664         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
5665         * config/i386/i386.c (ix86_tune_features): Initialize new
5666         tuning option.
5667         * config/i386/predicates.md (promotable_binary_operator): Use
5668         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
5670 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5672         PR target/31380
5673         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
5675 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
5677         * config/fr30/fr30.md (movsi_internal): Change destination
5678         constraint from m to V and add m to the end.
5680 2007-03-28  Christian Bruel  <christian.bruel@st.com>
5682         * config/sh/sh.md (movsi_i): Fix type attribute.
5684 2007-03-28  Christian Bruel  <christian.bruel@st.com>
5686         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
5687         (movsf_ie): Likewise.
5689 2007-03-28  Christian Bruel  <christian.bruel@st.com>
5691         * config.gcc: Add sh4-300 to multilib.
5692         * config/sh/t-mlib-sh4-300: New file.
5694 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
5696         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
5697         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
5698         fix_trunc<mode>di2.
5699         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
5700         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
5701         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
5702         "fixuns_trunctddi2"): Whitespace fix.
5704 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
5706         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
5707         the definition of struct sh_args.
5708         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
5709         CALL_COOKIE_INT_REG_GET): Likewise.
5711 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
5713         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
5714         transformations are applied successfully.
5716 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
5718         * tree.c (tree_contains_struct): Permit 512 tree codes.
5719         * tree.h (tree_contains_struct): Ditto.
5720         (MAX_TREE_CODES): Ditto.
5721         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
5722         SPARE member to store remaining padding bits.
5724 2007-03-27  Anatoly Sokolov <aesok@post.ru>
5726         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
5727         architecture.
5729 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
5731         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
5732         * configure: Regenerate.
5734         * configure: Regenerate using the correct version of autoconf.
5736 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
5738         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
5739         pointer regs.
5740         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
5741         regs to "__SP_L__" and "__SP_H__".
5743 2007-03-27  Richard Guenther  <rguenther@suse.de>
5745         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
5746         computations with it with a HOST_WIDE_INT variable.
5748 2007-03-26  Mike Stump  <mrs@apple.com>
5750         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
5751         objective-c-header, objective-c++-header and objc++-cpp-output
5752         support.
5753         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
5755 2007-03-26  Richard Henderson  <rth@redhat.com>
5757         PR target/31361
5758         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
5759         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
5760         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
5761         IX86_BUILTIN_PSRLQ128): New.
5762         (ix86_init_mmx_sse_builtins): Add them.
5763         (ix86_expand_builtin): Expand them.
5764         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
5765         operand 2 be TImode.
5766         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
5767         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
5768         _mm_srli_epi64): Mark __B const.
5769         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
5770         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
5771         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
5772         new two-vector shift builtins.
5774 2007-03-26  Ian Lance Taylor  <iant@google.com>
5776         PR tree-optimization/31345
5777         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
5778         [+INF, +INF(OVF)] into VARYING.
5780 2007-03-26  Zack Weinberg  <zackw@panix.com>
5782         * gengtype-parse.c: New file.
5783         * gengtype-yacc.y: Delete.
5784         * gengtype-lex.l: Don't include gengtype-yacc.h.
5785         Define YY_DECL and yyterminate appropriately for recursive
5786         descent parser.  yylval is now a string out-parameter to yylex.
5787         (HWS, EOID): New shorthand.
5788         (IWORD): Add a couple more types.
5789         (yylex): Add a setup stanza.  Remove the complex rules for
5790         detecting GTY'ed types and typedefs; replace with simple
5791         keyword detectors.  Adjust everything for the changed
5792         definition of yylval.  Ignore all pp-directives, not just #define.
5793         (yyerror): Delete.
5794         (parse_file): Rename yybegin; do not call yyparse.
5795         (yyend): New.
5796         * gengtype.c (xasprintf): Export again.
5797         (this_file): New.  Use everywhere __FILE__ was being used.
5798         (get_lang_bitmap): Special case types defined in gengtype.c.
5799         (do_typedef, new_structure): Suppress definition of certain types.
5800         (new_structure): Improve diagnostics of duplicate definitions.
5801         Make sure location_s is associated with input.h.
5802         (nreverse_pairs, define_location_structures): New functions.
5803         (main): Improve tagging of kludge types.  Remove old kludges
5804         for input.h types; use define_location_structures.
5805         * gengtype.h: Update prototypes.  Define token codes here.
5806         * Makefile.in: Remove all references to gengtype-yacc.
5807         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
5808         and gengtype.
5809         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
5810         add GTY((skip)) to the field that's only conditionally there.
5811         * doc/install.texi: Document that Bison is no longer required
5812         unless building treelang.
5814         * gengtype.c: Don't include gtyp-gen.h.
5815         (srcdir): Declare here.
5816         (base_files, lang_dir_names): Allocate dynamically.
5817         (gt_files, num_gt_files, num_lang_dirs): New globals.
5818         (measure_input_list, read_input_line, read_input_list)
5819         (set_lang_bitmap): New functions.
5820         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
5821         simplify, relying on read_input_list to set up the bitmaps.
5822         (main): Arguments are no longer unused.  Check for correct number
5823         of command line arguments, set srcdir and srcdir_len, then call
5824         read_input_list, before doing anything else.  No need to worry
5825         about duplicates in main loop.
5826         * configure.ac: Simplify the calculation of all_gtfiles.
5827         Put language tags in there.  Don't set or substitute
5828         all_gtfiles_files_langs or all_gtfiles_files_frags.
5829         * Makefile.in: Revamp the way gengtype is invoked, now that it
5830         takes a file on its command line with a much simpler format.
5831         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
5832         (GTFILES): Remove duplicates and C source files.
5833         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
5834         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
5835         * configure: Regenerate.
5837         * gengtype.h: Remove all type definitions to gengtype.c; leave
5838         only definitions of options_p, type_p, and pair_p as opaque
5839         pointers.  Update prototypes.
5840         * gengtype.c: Many type definitions moved here from gengtype.h.
5841         Consolidate type definitions at the top of the file.
5842         (xvasprintf): Delete.
5843         (xasprintf): Make static.
5844         (create_nested_pointer_option): Add 'next' parameter.
5845         (create_field_all, create_field_at): New functions.
5846         (create_field): Now a thin wrapper around create_field_all.
5847         (create_optional_field): Rename create_optional_field_ and add
5848         line argument.  Original name is now a macro which supplies
5849         __LINE__.
5850         (oprintf): Use vsnprintf directly.
5851         (close_output_files): Use fatal rather than perror/exit.
5852         (note_def_vec, note_def_vec_alloc): Use create_field_at.
5853         (main): Set progname.  Don't use exit.
5854         * gengtype-yacc.y (struct_fields): Use create_field_at.
5855         (option, optionseqopt): Delete.
5856         (optionseq): Consolidate productions from option here so we
5857         can use the first argument to create_option.
5859         * gengtype-lex.l: Distinguish unions from structures in the
5860         token type.  Don't call find_structure; return the tag as a string.
5861         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
5862         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
5863         Reorganize typedef_struct production accordingly.
5864         Use create_nested_ptr_option.
5865         * gengtype.c (create_nested_ptr_option): New function.
5866         * gengtype.h: Declare it.
5868         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
5869         (string_type): Don't declare.
5870         (do_scalar_typedef): Declare.
5871         (create_scalar_type): Update prototype.
5872         * gengtype.c (string_type): Make static.
5873         (scalar_nonchar, scalar_char): New.
5874         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
5875         (resolve_typedef): Use scalar_nonchar for error recovery.
5876         (create_scalar_type): Remove name_len field.  Return scalar_char
5877         or scalar_nonchar as appropriate.
5878         (adjust_field_type): Look at scalar_is_char boolean to decide whether
5879         to use string_type.
5880         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
5881         whenever possible.
5882         (main): Initialize scalar_char and scalar_nonchar before calling
5883         gen_rtx_next.
5884         * gengtype-lex.l: Adjust for removal of second argument to
5885         create_scalar_type.  Use yylval.s instead of yylval.t when
5886         returning SCALAR.
5887         * gengtype-yacc.y: Type of SCALAR is string.  Call
5888         create_scalar_type from type:SCALAR rule.  Adjust for removal of
5889         second argument to create_scalar_type.
5891         * vec.h: Remove all #if IN_GENGTYPE blocks.
5892         Add comment saying that changes may require adjustments to gengtype.
5893         * gengtype.c: Don't include coretypes.h or tm.h.
5894         Add comment to inclusion of errors.h.
5895         (note_def_vec, note_def_vec_alloc): New functions.
5896         * gengtype.h: Declare new functions.
5897         * gengtype-lex.l: Don't include coretypes.h.
5898         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
5899         Delete.
5900         (update_lineno): Remove unnecessary prototype.
5901         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
5902         (VEC rule): Just return VEC_TOKEN.
5903         * gengtype-yacc.y (VEC_TOKEN): New token type.
5904         (type): Add a production for VEC(a,b).
5905         * Makefile.in: Update dependencies.
5907         * gengtype-lex.l: Remove rules for parsing pointer-to-function
5908         typedefs that use the old PARAMS macro.
5910         * gengtype-lex.l: Remove all rules and states relating to yacc
5911         input files.
5912         * gengtype-yacc.y: Similarly.
5913         * gengtype.c (note_yacc_type): Delete function.
5914         * gengtype.h: Update prototypes.
5916 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
5918         * tree-pretty-print.c (dump_generic_node): Report precision of
5919         unnamed integer types.
5921 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
5923         * ifcvt.c (noce_try_store_flag_constants): Don't check
5924         no_new_pseudos here.
5925         (noce_try_store_flag_constants): Don't check no_new_pseudos.
5926         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
5927         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
5928         noce_try_sign_mask): Likewise.
5929         (if_convert): Check no_new_pseudos here.
5931         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
5932         Remove prototypes.
5933         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
5934         (noce_get_condition): Handle new then_else_reversed argument.
5935         (noce_init_if_info): Remove, fold into noce_find_if_block.
5936         (noce_process_if_block): Take a struct noce_if_info as the
5937         argument.  Don't set up one based on ce_if_info.  Update pointer
5938         references accordingly.
5939         (cond_move_process_if_block): Likewise.
5940         (process_if_block): Removed.
5941         (find_if_block): Removed.  Move functionality two new functions,
5942         noce_find_if_block and cond_exec_find_if_block.
5943         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
5944         blocks and the symmetric IF-ELSE-JOIN case.
5945         (cond_exec_find_if_block): Also new function mostly based on old
5946         find_if_block and process_if_block.
5947         (find_if_header): Replace find_if_block call with separately
5948         guarded calls to noce_find_if_block and cond_exec_find_if_block.
5949         (find_cond_trap): Update noce_get_condition call.
5950         (dead_or_predicable): Likewise.
5952 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
5954         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
5955         Remove.
5956         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
5957         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
5958         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
5959         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
5960         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
5961         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
5962         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
5963         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
5964         __builtin_ia32_psrad128 builtins.
5966 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
5968         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
5969         * config/i386/constraints.md
5970         (define_constraint "I"): Use IN_RANGE macro.
5971         (define_constraint "J"): Ditto.
5972         (define_constraint "K"): Ditto.
5973         (define_constraint "M"): Ditto.
5974         (define_constraint "N"): Ditto.
5975         (define_constraint "O"): Ditto.
5976         * config/i386/predicates.md
5977         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
5978         (define_predicate "const_0_to_3_operand"): Ditto.
5979         (define_predicate "const_0_to_7_operand"): Ditto.
5980         (define_predicate "const_0_to_15_operand"): Ditto.
5981         (define_predicate "const_0_to_63_operand"): Ditto.
5982         (define_predicate "const_0_to_255_operand"): Ditto.
5983         (define_predicate "const_1_to_31_operand"): Ditto.
5984         (define_predicate "const_2_to_3_operand"): Ditto.
5985         (define_predicate "const_4_to_7_operand"): Ditto.
5987 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
5989         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
5990         in SImode for save_world.
5991         * config/rs6000/altivec.md (save_world, restore_world): Convert to
5992         LR hard reg.
5994 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
5996         PR tree-optimization/30784
5997         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
5998         BIT_FIELD_REF.
6000 2007-03-25  Revital Eres  <eres@il.ibm.com>
6002         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
6003           Fold movement_possibility function into it.
6005 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
6007         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
6008         (load_macho_picbase_{si,di}): Convert to LR hard reg.
6009         (call_indirect_nonlocal_darwin64): Same.
6010         (call_nonlocal_darwin64): Same.
6011         (call_value_indirect_nonlocal_darwin64): Same.
6012         (call_value_nonlocal_darwin64): Same.
6013         (sibcall_nonlocal_darwin64): Same.
6014         (sibcall_value_nonlocal_darwin64): Same.
6015         (sibcall_symbolic_64): Same.
6016         (sibcall_value_symbolic_64): Same.
6017         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
6018         LR pseudo.
6019         (rs6000_emit_load_toc_table): Same.
6020         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
6021         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
6022         (mull_call): Same.
6023         (divss_call): Same.
6024         (divus_call): Same.
6025         (quoss_call): Same.
6026         (quous_call): Same.
6027         (load_toc_v4_pic_si): Same
6028         (load_toc_v4_PIC_1): Same.
6029         (load_toc_v4_PIC_1b): Same.
6030         (call_indirect_aix{32,64}): Same.
6031         (call_value_indirect_aix{32,64}): Same.
6032         (call): Same.
6033         (call_value): Same.
6034         (call_local{32,64}): Same.
6035         (call_value_local{32,64}): Same.
6036         (call_indirect_nonlocal_aix{32,64}): Same.
6037         (call_nonlocal_aix{32,64}): Same.
6038         (call_value_indirect_nonlocal_aix{32,64}): Same.
6039         (call_value_nonlocal_aix{32,64}): Same.
6040         (call_indirect_nonlocal_sysv<mode>): Same.
6041         (call_nonlocal_sysv<mode>): Same.
6042         (call_value_indirect_nonlocal_sysv<mode>): Same.
6043         (call_value_nonlocal_sysv<mode>): Same.
6044         (sibcall): Same.
6045         (sibcall_local{32,64}): Same.
6046         (sibcall_value_local{32,64}): Same.
6047         (sibcall_nonlocal_aix{32,64}): Same.
6048         (sibcall_value_nonlocal_aix{32,64}): Same.
6049         (sibcall_nonlocal_sysv<mode>): Same.
6050         (sibcall_value): Same.
6051         (sibcall_value_nonlocal_sysv<mode>): Same.
6053 2007-03-24  Paul Brook  <paul@codesourcery.com>
6055         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
6056         * config/arm/linux-eabi.h: Remove legacy syscall hack.
6058 2007-03-24  Richard Henderson  <rth@redhat.com>
6060         * config/ia64/constraints.md: New file.
6061         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
6062         satisfies_constraint_?.
6063         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
6064         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
6065         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
6066         ia64_output_mi_thunk): Likewise.
6067         (ia64_const_ok_for_letter_p): Remove.
6068         (ia64_const_double_ok_for_letter_p): Remove.
6069         (ia64_extra_constraint): Remove.
6070         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
6071         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
6072         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
6073         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
6074         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
6075         EXTRA_MEMORY_CONSTRAINT): Remove.
6076         * config/ia64/ia64.md: Include constriants.md.  Replace
6077         CONST_OK_FOR_? with satisfies_constraint_?.
6079 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
6080             H.J. Lu  <hongjiu.lu@intel.com>
6082         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
6083         DPD or BID name.
6084         (name macros): Use DPD_BID_NAME to convert names properly.
6086         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
6087         decimal floating point format.
6088         (init_floating_libfuncs): Change decimal functions so that they
6089         have a "bid_" prefix if the decimal system uses the BID format,
6090         and "dpd_" prefix if the decimal system uses the DPD format.
6091         (init_interclass_conv_libfuncs): Ditto.
6092         (init_intraclass_conv_libfuncs): Ditto.
6094         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
6095         using the BID format.
6097         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
6098         whether we are using the BID decimal format.
6099         * configure: Regenerate.
6101         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
6102         the compiler has decimal floating point enabled.  Define
6103         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
6104         instead of DPD.
6106         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
6107         using the BID format.
6109         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
6110         whether we are using the BID decimal format.
6111         * configure: Regenerate.
6113         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
6114         the compiler has decimal floating point enabled.  Define
6115         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
6116         instead of DPD.
6118         * doc/install.texi (--enable-decimal-float): Document BID and DPD
6119         options, and that it is enabled for i386/x86_64 systems.
6121         * Makefile.in (enable_decimal_float): New.
6122         (DECNUMFMT): New.
6123         (DECNUMINC): Add  -I$(DECNUMFMT).
6124         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
6125         to $(DECNUMFMT) from $(DECNUM).
6127         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
6128         Substitute enable_decimal_float.
6129         * configure: Regenerated.
6131         PR other/30529
6132         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
6133         unsigned long.
6135         * configure.ac: Enable decimal float for x86_64-*-linux*.
6136         * configure: Regenerated.
6138         PR other/30530
6139         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
6140         decimal128ClearSign to flip and clear the sign bit in decimal128.
6141         (decimal_real_maxval): Set decimal128SetSign to set the sign
6142         bit in decimal128.
6144 2007-03-23  Ian Lance Taylor  <iant@google.com>
6146         * fold-const.c (fold_binary): Correct warning for X - c >= X.
6148 2007-03-23  Ian Lance Taylor  <iant@google.com>
6150         * tree-dump.c (dump_files): Correct comment.
6152 2007-03-23  Ian Lance Taylor  <iant@google.com>
6154         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
6156 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
6158         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
6159         in cfglayout mode.  Don't go into and out of cfglayout mode.
6160         Link the blocks in the order of the constructed traces.
6161         (rest_of_handle_tracer): Adjust call to tracer.
6162         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
6163         Don't go into cfglayout mode.
6164         (rtl_loop_done): Don't go out of cfglayout mode.
6165         * cfglayout.c (relink_block_chain): New function, split out from...
6166         (fixup_reorder_chain): ...here.  Remove redundant checking.
6167         (cfg_layout_finalize): Don't clear the header, footer, and aux
6168         fields here, move the code to do so to relink_block_chain.  Likewise
6169         for free_original_copy_tables.
6170         * rtl.h (tracer): Update prototype.
6171         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
6172         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
6173         mode.  Use relink_block_chain to serialize the CFG according to the
6174         new basic block order.  Move targetm.cannot_modify_jumps_p check from
6175         here...
6176         (gate_handle_reorder_blocks): ...to here.
6177         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
6178         from here...
6179         (gate_duplicate_computed_gotos): ...to here.
6180         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
6181         something always changes when going into and out of cfglayout mode.
6182         Perform an expensive cfg cleanup while going into cfglayout mode.
6183         Always update liveness information on HAVE_conditional_execution
6184         targets.  Reserialize the basic blocks and go out of cfglayout mode.
6185         * reg-stack.c: Include cfglayout.h.
6186         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
6187         the call to reorder_basic_blocks.
6188         * basic-block.h (reorder_basic_blocks): Update prototype.
6189         (relink_block_chain): New prototype.
6190         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
6192 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
6194         * config/mips/mips.md (type, hazard, *movdi_32bit,
6195         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
6196         *movhi_internal, *movqi_internal, *movsf_hardfloat,
6197         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
6198         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
6199         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
6200         applicable.
6201         (movcc): Change first xfer to multi.
6202         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
6203         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
6204         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
6205         config/mips/generic.md: Change reservations using "xfer" to use
6206         "mfc,mtc".
6207         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
6208         using match_operand.
6209         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
6210         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
6211         examining mode.
6212         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
6214 2007-03-22  Richard Henderson  <rth@redhat.com>
6216         * config/i386/i386.c: Remove unnecessary function declarations.
6217         Move targetm definition, and all related macros, to the end of
6218         the file.  Resort some functions to put definitions before uses.
6219         (ix86_attribute_table): Make static.  Move to end of file.
6220         (ix86_gimplify_va_arg): Make static.
6222 2007-03-22  Richard Henderson  <rth@redhat.com>
6224         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
6225         don't increase local_regparm with force_align_arg_pointer check.
6226         (ix86_function_sseregparm): Assert 32-bit.
6227         (type_has_variadic_args_p): New.
6228         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
6229         type_has_variadic_args_p.
6230         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
6231         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
6232         use memset instead.  Do maybe_vaarg check first; skip attribute
6233         tests if true; skip attribute tests for 64-bit.
6234         (construct_container): Remove TARGET_DEBUG_ARG.
6235         (function_arg_advance_32, function_arg_advance_64): Split out ...
6236         (function_arg_advance): ... from here.
6237         (function_arg_32, function_arg_64): Split out ...
6238         (function_arg): ... from here.
6239         (ix86_pass_by_reference): Tidy.
6240         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
6241         (function_value_32): New, from parts of ix86_function_value
6242         and ix86_value_regno.
6243         (function_value_64): New, from parts of ix86_function_value
6244         and ix86_libcall_value.
6245         (ix86_function_value_1): New.
6246         (ix86_function_value, ix86_libcall_value): Use it.
6247         (return_in_memory_32, return_in_memory_64): Split out ...
6248         (ix86_return_in_memory): ... from here.
6249         (ix86_struct_value_rtx): Skip for 64-bit.
6250         (ix86_libcall_value, ix86_value_regno): Remove.
6251         (setup_incoming_varargs_64): Split out ...
6252         (ix86_setup_incoming_varargs): ... from here.
6253         (ix86_va_start): Remove TARGET_DEBUG_ARG.
6254         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
6255         * config/i386/i386-protos.h (ix86_function_value): Remove.
6256         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
6258 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6260         PR other/23572
6261         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
6262         infinities not supported, otherwise emit warning if -Woverflow. On
6263         underflow, emit warning if -Woverflow.
6264         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
6265         and 0 otherwise.
6266         * real.h (real_from_string): Update declaration
6268 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
6269             Richard Henderson  <rth@redhat.com>
6271         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
6272         * calls.c (compute_argument_block_size, expand_call,
6273         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
6274         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
6275         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
6276         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
6277         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
6278         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
6279         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
6280         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
6281         Set to 1.
6283 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
6285         * c-incpath.c (add_sysroot_to_chain): New.
6286         (merge_include_chains): Add sysroot argument.  Call
6287         add_sysroot_to_chain if sysrooted.
6288         (register_include_chains): Update call to merge_include_chains.
6289         * doc/cppopts.texi: Document use of '=' in include directory
6290         arguments.
6292 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
6294         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
6295         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
6296         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
6297         insn pattern using X87MODEF12 mode macro.
6299 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
6301         * regmove.c (regmove_optimize): Use reg_mentioned_p
6302         instead of reg_overlap_mentioned_p for DST.
6304 2007-03-21  Mike Stump  <mrs@apple.com>
6306         * c.opt: Fixup for Objective-C/C++.
6308 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
6310         * explow.c (convert_memory_address): Fold memory reference when
6311         POINTERS_EXTEND_UNSIGNED < 0
6313 2007-03-21  Richard Henderson  <rth@redhat.com>
6315         PR target/31245
6316         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
6317         * config/i386/mmintrin.h (__m64): Likewise.
6318         * config/i386/xmmintrin.h (__m128): Likewise.
6320 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
6322         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
6323         (VXWORKS_OS_CPP_BUILTINS): Define.
6324         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
6325         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
6327 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
6329         * rtl.h (constant_pool_reference_p): Delete.
6330         (find_constant_src): Declare.
6331         * rtlanal.c (find_constant_src): New function.
6332         * simplify-rtx.c (constant_pool_reference_p): Delete.
6333         * config/i386/i386.md: Use find_constant_src instead of
6334         constant_pool_reference_p/avoid_constant_pool_reference pairs.
6336 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
6338         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
6339         * c-cppbuiltin.c (c_cpp_builtins): Define them.
6341 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
6343         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
6344         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
6345         (arm_elf_asm_constructor): Use it.
6346         (arm_elf_asm_destructor): New function.
6348 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
6350         * jump.c (mark_jump_label): Treat SEQUENCE specially.
6352 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
6354         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
6356 2007-03-19  Andrew Haley  <aph@redhat.com>
6358         PR tree-optimization/31264
6359         * tree-vrp.c (register_edge_assert_for_1): Don't look though
6360         VIEW_CONVERT_EXPRs.
6362 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
6364         PR rtl-optimization/30907
6365         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
6366         (fwprop_init): Always call loop_optimizer_initialize.
6367         (fwprop_done): Always call loop_optimizer_finalize.
6368         (fwprop): We always have loop info now.
6369         (gate_fwprop_addr): Remove.
6370         (pass_fwprop_addr): Use gate_fwprop as gate.
6372         PR rtl-optimization/30841
6373         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
6374         df_chain_alloc): Call df_reorganize_refs unconditionally.
6375         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
6376         refs_organized to refs_organized_size.
6377         (df_ref_create_structure): Use refs_organized_size instead of
6378         bitmap_size if refs had been organized, and keep refs_organized_size
6379         up-to-date.
6380         * df.h (struct df_ref_info): Change refs_organized to
6381         refs_organized_size.
6382         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
6383         bitmap_size.
6385 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
6387         * except.c (output_function_exception_table): Do not reference the
6388         EH personality routine for functions that do not require an
6389         exception table.
6391 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
6393         PR c/30762
6394         * c-typeck.c (convert_for_assignment): Call comptypes for
6395         RECORD_TYPE or UNION_TYPE.
6397         PR inline-asm/30505
6398         * reload1.c (reload): Do invalid ASM checking after
6399         cleanup_subreg_operands.
6401 2007-03-19  Jeff Law  <law@redhat.com>
6403         * tree-cfg.c (find_taken_edge): Tighten conditions for
6404         optimizing computed gotos.
6406 2007-03-19  Michael Matz  <matz@suse.de>
6408         * builtins.c (expand_builtin_sync_operation,
6409         expand_builtin_compare_and_swap,
6410         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
6411         correctly.
6413         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
6414         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
6415         for operand 3.
6417 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6419         * doc/tm.texi: Add brackets around the return type of
6420         TARGET_SECONDARY_RELOAD.
6422 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6423         Richard Guenther  <rguenther@suse.de>
6425         PR tree-optimization/31254
6426         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
6427         Use handled_component_p () where appropriate.  Continue
6428         propagating into the rhs if we propagated into an INDIRECT_REF
6429         on the lhs.
6431 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6433         * config/s390/s390.md (op_type attribute): RRR instruction type added.
6434         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
6435         (xde, xdee): Mode attributes adjusted to support DFP modes.
6436         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
6437         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
6438         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
6439         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
6440         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
6441         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
6442         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
6443         numbers.
6444         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
6445         "movsf"): Insn definitions removed.
6446         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
6447         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
6448         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
6449         definitions added.
6450         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
6451         "reload_in<mode>", "reload_out<mode>"): Expander added.
6452         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
6453         Expander removed.
6455 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6457         * config/s390/s390.md: Only non-functional changes.  Renamed
6458         FPR mode macro to BFP all over the file.
6460 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6462         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
6463         (op_type attribute): RRF instruction type added.
6464         (fT0): New mode attribute.
6465         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
6466         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
6467         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
6468         no secondary memory is needed when moving DFmode values between GPRs
6469         and FPRs.
6471 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6473         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
6474         inverted and documentation adjusted.
6475         ("mhard-dfp", "msoft-dfp"): New options.
6476         * config/s390/s390.c (s390_handle_arch_option): New architecture
6477         switch: z9-ec.
6478         (override_options): Sanity checks for the new options added.
6479         * config.gcc: New architecture switch: z9-ec.
6480         * config/s390/s390.h (processor_flags): PF_DFP added.
6481         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
6482         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
6483         when the bit is NOT set so remove it from the defaults.
6485 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6487         * genemit.c (main): Print include statement for dfp.h.
6488         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
6489         is not available.
6491 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
6493         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
6495 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
6497         PR target/31022
6498         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
6499         instead of PATTERN.
6501 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6503         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
6504         attr_length_call, output_call, output_indirect_call): Cleanup
6505         formatting of targetm calls.
6507 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
6509         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
6511 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6513         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
6514         reservation, bypass and anti-bypass descriptions for these instructions.
6515         Update move patterns.
6516         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
6517         TYPE_FPSTORE.
6519 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
6521         * tree-vect-transform.c (get_initial_def_for_induction): Replace
6522         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
6523         (get_initial_def_for_reduction): Likewise.
6525 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
6527         Fix PR tree-optimization/29922
6528         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
6529         (get_representative): Removed.
6530         (value_dies_in_block_x): Update for rvuse removal.
6531         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
6532         (compute_antic_aux): Handle when PHI nodes appear in
6533         non-single-successors.
6534         (dump_bitmap_of_names): Removed.
6535         (compute_antic_safe): Renamed and removed rvuse calculation.
6536         Calculate only antic safe.
6537         (insert_into_preds_of_block): Remove assert.
6538         (execute_pre): Update for renamed functions.
6539         (defer_or_phi_translate_block): New function.
6541 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
6543         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
6544         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
6545         typos.
6546         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
6547         Follow spelling conventions.
6549         * tree-data-ref.h: Remove the prototype for analyze_array.
6551 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
6553         PR tree-optimization/31041
6554         * tree-vect-transform.c (get_initial_def_for_induction): Call
6555         force_gimple_operand.
6557 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
6559         * ipa-type-escape.c (look_for_casts) : Revert code to use
6560         handled_component_p due to ada test a-numaux.adb.
6562 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
6564         * final.c (final_scan_insn): Alter the condition of a
6565         conditional trap if we have nonstandard CC.
6567 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
6569         * configure.ac: Remove excess quoting from asm line 0 test.
6570         * configure: Rebuilt.
6572 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6574         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
6575         * c-common.c (convert_and_check): Move warning logic to...
6576         (warnings_for_convert_and_check): ...here. Define.
6577         * c-common.h (warnings_for_convert_and_check): Declare.
6579 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6581         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
6582         (output_call): Likewise.
6584 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
6586         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
6588 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
6590         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
6592 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
6594         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
6595         opteron, athlon-64 and athlon-fx processor_alias_table entries.
6597 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
6599         PR tree-optimization/31183
6600         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
6601         Use double_int instead of unsigned int for representing access_strides.
6602         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
6604 2007-03-16  Richard Guenther  <rguenther@suse.de>
6606         PR tree-optimization/31146
6607         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
6608         to allow recursion of forward_propagate_addr_expr.
6609         (forward_propagate_addr_into_variable_array_index): Likewise.
6610         (forward_propagate_addr_expr): Likewise.
6611         (tree_ssa_forward_propagate_single_use_vars): Likewise.
6612         (forward_propagate_addr_expr_1): Recurse on simple copies
6613         instead of propagating into them.  Do so for useless conversions
6614         as well.
6615         (forward_propagate_addr_expr): Clean up unused statements after
6616         recursion.
6618 2007-03-16  Richard Guenther  <rguenther@suse.de>
6620         * builtins.c (expand_builtin_cexpi): Use the right argument
6621         for the expansion via cexp.
6623 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
6625         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
6626         * configure: Rebuilt.
6628 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
6630         PR debug/29906
6631         * dwarf2out.c (force_type_die): Adjust comment.
6632         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
6634 2007-03-15  DJ Delorie  <dj@redhat.com>
6636         * config/frv/predicates.md (minmax_operator): Don't check operands
6637         here.
6639 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
6641         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
6642         Update constant estimates of number of iterations.
6643         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
6644         argument renamed to "realistic".
6645         (compute_estimated_nb_iterations): Removed.
6646         (record_niter_bound): New function.
6647         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
6648         call record_nonwrapping_iv with upper = false.
6649         (infer_loop_bounds_from_signedness): Pass upper argument to
6650         record_nonwrapping_iv.
6651         (estimate_numbers_of_iterations_loop): Do not call
6652         compute_estimated_nb_iterations.  Record estimate based on profile
6653         information.  Initialize the constant estimates of number of
6654         iterations.
6655         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
6656         estimates.
6657         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
6658         number of iterations is too small.
6659         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
6660         (EST_NOT_AVAILABLE): Removed.
6661         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
6662         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
6663         fields.
6665 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
6667         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
6668         Handle NE_EXPR guards.
6670 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6672         PR c++/24924
6673         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
6674         Set also -pedantic-errors by default for the  preprocessor unless
6675         -fpermissive is given.
6677 2007-03-15  Richard Guenther  <rguenther@suse.de>
6679         PR middle-end/29719
6680         PR middle-end/31161
6681         * builtins.c (expand_builtin_cexpi): As a fallback if we
6682         don't have builtins for sincos or cexp create a function
6683         declaration for cexp and expand to a call to that.
6684         (expand_builtin_int_roundingfn): Always fall
6685         back to floor/ceil and its variants even if they may be
6686         not available.
6688 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
6690         PR middle-end/31159
6691         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
6692         jump tables, move the call to delete_dead_jumptables from here...
6693         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
6694         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
6695         don't allow merging of blocks that try_redirect_by_replacing_jump
6696         also does not handle when not optimizing.
6698 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
6699             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
6701         * config/i386/i386.md (x86_sahf_1): Correctly handle
6702         HAVE_AS_IX86_SAHF.
6704 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
6706         PR target/31167
6707         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
6708         x86_64_general_operand as operand[2] predicate.  Remove "iF"
6709         from operand constraints and use "e" constraint instead.
6710         (*subti3_1, *subti3_1 splitter): Ditto.
6711         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
6712         operand[1] predicate.
6714 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
6716         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
6717         arrays, multiply the access strides by the size of the sub-array.
6718         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
6720 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
6722         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
6723         the configured assembler supports the sahf mnemonic.
6724         * configure: Regenerate.
6725         * config.in: Regenerate.
6727         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
6728         emit "sahf" or ".byte\t0x9e" as asm template.
6730 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
6732         PR 31018
6733         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
6734         option to replace hard coded TARGET_xxx in md file.
6735         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
6736         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
6737         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
6738         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
6739         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
6740         (X86_TUNE_NOT_VECTORMODE): Ditto.
6741         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
6742         (TUNE_AVOID_VECTOR_DECODE): Ditto.
6743         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
6744         (TUNE_SLOW_IMUL_IMM8): Ditto.
6745         (TUNE_MOVE_M1_VIA_OR): Ditto.
6746         (TUNE_NOT_UNPAIRABLE): Ditto.
6747         (TUNE_NOT_VECTORMODE): Ditto.
6749         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
6750         options.
6752         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
6753         tuning options instead of hard coded TARGET_xxx.
6754         (fix ssemode peephole2's): Ditto.
6755         (imul peephole2's): Ditto.
6756         (movsi_or): Ditto.
6757         (movdi_or_rex64): Ditto.
6758         (move peephole2): Ditto.
6759         (not peephole2's): Ditto.
6761 2007-03-14  Dirk Mueller  <dmueller@suse.de>
6763         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
6764         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
6765         * c-parser.c (c_parser_if_body): Always add an empty statement in case
6766         of empty body.
6767         * c-parser.c (c_parser_do_statement): Warn about empty body in
6768         do/while statement.
6769         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
6770         * doc/invoke.texi (-Wempty-body): Update documentation.
6772 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6774         PR c/21438
6775         * c-common.h (warn_for_div_by_zero): Declare.
6776         * c-common.c (warn_for_div_by_zero): Define.
6777         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
6778         warning.
6780 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
6782         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
6783         to PREFIX and STANDARD_PREFIX.
6785 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
6786             Phil Edwards  <phil@codesourcery.com>
6788         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
6789         (__gthread_once_t): Remove busy field for RTPs.
6790         (__GTHREAD_ONCE_INIT): Update accordingly.
6792 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
6794         * doc/invoke.texi: Document VxWorks options.
6796 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
6798         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
6800 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
6802         PR tree-optimization/30590
6803         * tree-nrv.c (tree_nrv): Check for the partial update of the
6804         return value.
6806 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
6808         * flags.h (flag_random_seed): Remove declaration, in favor of...
6809         * toplev.h (get_random_seed, set_random_seed): ... these.
6810         * tree.c (get_file_function_name): Use the former.
6811         * opts.c (common_handle_option): Use the latter.
6812         * toplev.c
6814 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
6816         PR middle-end/31127
6817         * cse.c (cse_find_path): Do not bail out if a basic block that
6818         we already visited now becomes part of a path that starts at a
6819         different basic block.  Just disallow this, to make sure we
6820         visit each basic block at most once.
6822 2007-03-13  Jan Hubicka  <jh@suse.cz>
6824         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
6825         when profile esitmate is present, calls with very low frequency are
6826         cold.
6828 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
6830         PR tree-optimization/30730
6831         PR tree-optimization/26900
6832         * tree-ssa-loop-niter.c: Include gmp.h.
6833         (bounds): New type.
6834         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
6835         split_to_var_and_offset, determine_value_range,
6836         bound_difference_of_offsetted_base, refine_bounds_using_guard,
6837         bound_difference, bounds_add, bounds_negate,
6838         number_of_iterations_ne_max, dump_affine_iv): New functions.
6839         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
6840         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
6841         difference of initial and final value of control iv to validate
6842         results.
6843         (number_of_iterations_cond): Add loop parameter.  Determine bounds
6844         on the difference of the extremes of the control iv.  Add dumps.
6845         (expand_simple_operations): Handle phi nodes.
6846         (simplify_using_initial_conditions): Do not record used conditions.
6847         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
6848         Do not set additional_info.
6849         (implies_nonnegative_p, implies_ge_p): Removed.
6850         (derive_constant_upper_bound): Do not use parameter `additional'.
6851         (record_estimate): Parameter `additional' removed.  Parameter
6852         `i_bound' added.  Do not call derive_constant_upper_bound.
6853         (record_nonwrapping_iv): Use derive_constant_upper_bound to
6854         bound the number of iterations estimate.
6855         (estimate_numbers_of_iterations_loop): Pass the estimate from
6856         the number of iterations analysis to record_estimate.
6857         * tree.h (multiple_of_p): Declare.
6858         * tree-scalar-evolution.c (expression_expensive_p): Removed.
6859         (scev_const_prop): Do not check expression_expensive_p.
6860         * fold-const.c (multiple_of_p): Exported.
6861         * double-int.c (double_int_mask): Exported.
6862         * double-int.h (double_int_mask): Declare.
6863         * tree-flow.h (struct tree_niter_desc): Removed additional_info
6864         field.  Added max field.
6866 2007-03-13  David Taylor  <taylor@candd.org>
6868         PR driver/12448:
6869         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
6870         default -MQ.
6872 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6874         PR target/31123
6875         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
6876         two unamed patterns.
6878 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
6880         * config/i386/i386.opt (mcx16, msahf): New options.
6881         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
6882         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
6884         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
6885         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
6886         Output -mcx16 and -msahf options when corresponding bit is set.
6888         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
6889         and -msahf options.
6891 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
6893         * configure.ac: Test for assembler tolerance to # 0 "".
6894         * configure, config.in: Rebuilt.
6895         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
6897 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
6899         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
6901         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
6902         (handle_syscall): Handle direct system calls.
6903         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
6905 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
6907         * doc/invoke.texi: Fix cpp.info cross-reference.
6908         * doc/passes.texi: Fix gcc.info cross-reference.
6910 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
6912         PR tree-optimization/30835
6913         * lambda-code.c (can_convert_to_perfect_nest): Check whether
6914         bb_for_stmt is not NULL before accessing it.
6916 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
6918         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
6919         some multilibs.
6921 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
6923         PR 30635
6924         * doc/install.texi: Document --enable-stage1-languages
6926 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
6928         * tree-pass.h (pass_into_cfg_layout_mode,
6929         pass_outof_cfg_layout_mode): Declare.
6930         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
6931         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
6932         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
6933         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
6935 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
6937         * c-decl.c (warn_variable_length_array): New function.
6938         Refactored from grokdeclarator to handle warn_vla
6939         and handle unnamed array case.
6940         (grokdeclarator): Refactored VLA warning case.
6941         * c.opt (Wvla): New flag.
6942         * doc/invoke.texi (Wvla): New warning.
6944 2007-03-12  Richard Henderson  <rth@redhat.com>
6946         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
6947         (TARGET_SECTION_TYPE_FLAGS): New.
6949 2007-03-12  Richard Henderson  <rth@redhat.com>
6951         * config/darwin.c (machopic_reloc_rw_mask): New.
6952         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
6953         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
6955 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
6957         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
6958         * cppdefault.h (cpp_PREFIX): Document.
6959         (cpp_PREFIX_len): Likewise.
6960         (cpp_EXEC_PREFIX): New variable.
6961         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
6962         * c-incpath.c (add_standard_paths): Correct logic for relocating
6963         paths within prefix.
6965 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
6967         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
6968         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
6969         mode macro.
6970         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
6971         fix_truncdfdi_sse using SSEMODEF mode macro.
6972         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
6973         fix_truncdfsi_sse using SSEMODEF mode macro.
6974         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
6975         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
6977 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
6979         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
6980         elfos.h to tm_file.
6982 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
6984         * tree.h : Add multiple_of_p declaration.
6985         * fold-const.c (multiple_of_p): Make multiple_of_p public.
6986         * ipa-type-escape.c (results_of_malloc): Redundant.
6987         (visited_stmts): New. Visited stmt for walk_use_def_chains.
6988         (cast_type): Extended with new members.
6989         (check_cast): Returns cast_type.
6990         (cast): New structure for data of walk_use_def_chains.
6991         (is_malloc_result, is_cast_from_non_pointer_1,
6992         is_cast_from_non_pointer,
6993         is_array_access_through_pointer_and_index): New functions.
6994         (look_for_casts): Returns cast types.
6995         (check_call): Returns void.
6996         (okay_pointer_operation): Use support of pointer plus index,
6997         pointer plus constant and allow all multiplications.
6999 2007-03-11  Richard Guenther  <rguenther@suse.de>
7001         PR tree-optimization/31115
7002         * tree-vrp.c (extract_range_from_binary_expr): Make sure
7003         the shift count is positive and non-anti-range for RSHIFT_EXPR.
7004         A shift count of zero is not special as with *_DIV_EXPR.
7005         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
7006         direction.
7008 2007-03-11  Ian Lance Taylor  <iant@google.com>
7010         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
7011         the *_DIV_EXPR codes correctly with overflow infinities.
7013 2007-03-11  Ira Rosen  <irar@il.ibm.com>
7015         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
7016         indicate success/failure of the analysis. Add negation to subtrahend
7017         in case of subtraction. Fail if both operands contain constants.
7018         (create_data_ref): Fail if analyze_offset fails.
7020 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
7022         * config/i386/i386.md (frndintxf2): Rename to ...
7023         (rintxf2): ... this. Remove expander having same name.
7024         (rintsf2, rintdf2): Implement using SSEMODEF macro.
7025         (roundsf2, rounddf2): Ditto.
7026         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
7027         (lround<mode>di2, lround<mode>si2): Ditto.
7029 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
7031         * lower-subreg.c: Include except.h.
7032         (decompose_multiword_subregs): Verify that the only control flow
7033         insns we can split are loads to multi-words pseudos.
7034         Handle breaking such blocks after splitting, instead of calling
7035         find_many_sub_basic_blocks.
7037         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
7038         on the new basic block.  Add a lengthy comment explaining why we
7039         thought this was necessary.
7040         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
7042 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
7044         PR c++/30924
7045         * tree.c (walk_type_fields): Recurse into the element type of
7046         ARRAY_TYPEs if there is a pointer set.
7048 2007-03-10  Dirk Mueller  <dmueller@suse.de>
7050         * c-common.c (warn_logical_operator): Fix condition.
7052 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
7054         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
7055         quotation mark.
7056         * config/darwin.c (machopic_select_section): Remove superfluous
7057         argument in call to categorize_decl_for_section.  Remove unused
7058         variable shlib.
7060 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
7062         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
7063         defined.
7064         * configure: Regenerate.
7066 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
7068         PR target/31101
7069         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
7070         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
7071         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
7072         Add LABEL_NUSES to emitted label.
7073         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
7074         branch probability value to emitted jump insn.
7075         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
7076         Do not check life information and do not re-arrange input operands
7077         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
7079 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
7081         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
7082         the change of decode_asm_operands.
7084 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
7086         * mode-switching.c (create_pre_exit): Skip blockage insn.
7088 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
7090         * tree-pass.h (TODO_update_smt_usage): Remove.
7091         Update all users.
7092         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
7093         argument SOME.
7094         Update all users.
7096 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7098         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
7099         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
7100         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
7101         SOM target.
7103 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
7105         * gcc.c: Document %{, in big comment at top.
7106         (input_suffix_matches): Remove special handling for .s and
7107         .S.
7108         (input_spec_matches): New.
7109         (handle_braces): Handle %{,.
7110         (validate_switches): ',' indicates a value which is not a switch.
7111         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
7112         to detect assembler input.
7113         * config/i386/sol2.h (CPP_SPEC): Likewise.
7114         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
7115         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
7116         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
7117         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
7118         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
7119         -m64 causes deployment target to default to 10.5.
7120         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
7122 2007-03-09  Richard Henderson  <rth@redhat.com>
7124         PR target/26090
7125         * target.h (targetm.asm.out.reloc_rw_mask): New.
7126         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
7127         (TARGET_ASM_OUT): Use it.
7128         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
7129         * varasm.c (categorize_decl_for_section): Remove shlib argument;
7130         use the new reloc_rw_mask target hook instead.
7131         (default_section_type_flags_1): Merge into...
7132         (default_section_type_flags): ... here.
7133         (decl_readonly_section_1): Merge into...
7134         (decl_readonly_section): ... here.
7135         (default_elf_select_section_1): Merge into...
7136         (default_elf_select_section): ... here.
7137         (default_unique_section_1): Merge into...
7138         (default_unique_section): ... here.
7139         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
7140         (default_select_rtx_section): Use it.
7141         (default_elf_select_rtx_section): Likewise.
7142         * output.h: Update to match.
7143         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
7144         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
7145         (TARGET_ASM_RELOC_RW_MASK): New.
7146         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
7147         to categorize_decl_for_section.
7148         (x86_64_elf_unique_section): Likewise.
7149         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
7150         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
7151         (TARGET_ASM_RELOC_RW_MASK): New.
7152         * config/ia64/ia64.c (ia64_rwreloc_select_section,
7153         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
7154         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
7155         (TARGET_RWRELOC): Remove.
7156         (ia64_section_type_flags): Adjust call to default_section_type_flags.
7157         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
7158         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
7159         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
7160         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
7161         (rs6000_xcoff_select_section): Use decl_readonly_section.
7162         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
7163         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
7164         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
7165         (TARGET_SECTION_TYPE_FLAGS): Remove.
7166         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
7168 2007-03-09  Roger Sayle  <roger@eyesopen.com>
7170         * fold-const.c (fold_comparison): Remove compile-time evaluation of
7171         complex constant equality/inequality comparisons for here.
7172         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
7173         known at compile-time or can be simplified to a scalar comparison.
7174         (fold_relational_const): Move compile-time evaluation of complex
7175         constant equality/inequality comparisons to here.
7177 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
7179         PR rtl-optimization/30643
7180         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
7181         dest_addr_elt.
7182         (fold_rtx): Recurse, like before 2006-11-03.
7184 2007-03-09  DJ Delorie  <dj@redhat.com>
7186         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
7187         m32c-pragma.o.
7189 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
7191         PR tree-optimization/30375
7192         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
7193         LHS of statements is not the same.
7194         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
7196 2007-03-09  Chao-ying Fu  <fu@mips.com>
7198         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
7199         REV 2.
7200         * doc/invoke.texi (-mdspr2): Document new option.
7201         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
7202         New unspec for DSP REV 2.
7203         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
7204         these instructions are extended in DSP REV 2.
7205         (mips-dspr2.md): Include.
7206         * config/mips/mips.opt (mdspr2): New option.
7207         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
7208         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
7209         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
7210         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
7211         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
7212         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
7213         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
7214         and 2 builtins.
7215         (bdesc_map): Add one field of unsupported_target_flags.
7216         (bdesc_arrays):  Update entries to have extra fields.  Add
7217         dsp_32only_bdesc.
7218         (mips_init_builtins): Initialize new function types.
7219         Check unsupported_target_fileds to filter out builtins.
7220         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
7221         TARGET_DSPR2.
7222         (ASM_SPEC): Pass mdspr2 to the assembler.
7223         * config/mips/mips-dspr2.md: New file.
7225 2007-03-09  Sa Liu  <saliu@de.ibm.com>
7227         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
7229 2007-03-09  Ian Lance Taylor  <iant@google.com>
7231         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
7232         argument) like -Wstrict-overflow=2.
7233         * doc/invoke.texi (Warning Options): Update documentation.
7235 2007-03-09  Dirk Mueller  <dmueller@suse.de>
7237         PR c++/17946
7238         * doc/invoke.texi (-Wlogical-op): Document.
7239         * common.opt (-Wlogical-op): New.
7240         * c-common.h (warn_logical_operator): Declare.
7241         * c-common.c (warn_logical_operator): Define.
7242         * c-typeck.c (parser_build_binary_op): Call
7243         warn_logical_operator.
7245 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
7247         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
7248         * final.c (final_scan_insn): Test for non-"" file name.
7250 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
7252         * doc/loop.texi: Document the Omega linear constraints solver.
7253         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
7254         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
7255         omega-hash-table-size, omega-max-keys, and
7256         omega-eliminate-redundant-constraints.
7257         * tree-pass.h (pass_check_data_deps): Declared.
7258         * omega.c: New.
7259         * omega.h: New.
7260         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
7261         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
7262         pass_check_data_deps): New.
7263         * tree-data-ref.c (init_data_ref): Remove declaration.
7264         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
7265         (analyze_array): Renamed init_array_ref, move up initializations.
7266         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
7267         Removed arguments that are set to NULL.
7268         (analyze_indirect_ref): Correct indentation, correct call to
7269         init_pointer_ref.
7270         (object_analysis): Call init_array_ref instead of analyze_array.
7271         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
7272         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
7273         of DR_ACCESS_FNS_ADDR.
7274         (init_omega_eq_with_af, omega_extract_distance_vectors,
7275         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
7276         ddr_consistent_p): New.
7277         (compute_affine_dependence): Check consistency of ddrs when
7278         flag_check_data_deps is passed.
7279         (analyze_all_data_dependences): Uncomment.
7280         (tree_check_data_deps): New.
7281         * tree-data-ref.h: Include omega.h.
7282         (DR_ACCESS_FNS_ADDR): Removed.
7283         (data_dependence_relation): Add inner_loop.
7284         (DDR_INNER_LOOP): New.
7285         * common.opt (fcheck-data-deps): New.
7286         * tree-flow.h (tree_check_data_deps): Declare.
7287         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
7288         (OBJS-common): Depend on omega.o.
7289         (omega.o): Define.
7290         * passes.c (pass_check_data_deps): Scheduled.
7291         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
7292         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
7293         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
7294         PARAM_VECT_MAX_VERSION_CHECKS,
7295         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
7297 2007-03-09  Richard Guenther  <rguenther@suse.de>
7299         PR tree-optimization/30904
7300         PR middle-end/31058
7301         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
7302         the same way as *_DIV_EXPR.
7304 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
7306         * recog.c (decode_asm_operands): No mixed declarations and code.
7308 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
7310         * rtl.def (ASM_INPUT): Add location.
7311         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
7312         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
7313         (decode_asm_operands): Add loc operand.
7314         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
7315         * stmt.c (expand_asm): Rename to...
7316         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
7317         gen_rtx_ASM_INPUT_loc.
7318         (expand_asm_expr): Adjust.
7319         * recog.c (decode_asm_operands): Add loc operand.
7320         (check_asm_operands, extract_insn): Adjust.
7321         * reload1.c (maybe_fix_stack_asms): Likewise.
7322         * final.c (asm_insn_count): Likewise.
7323         (final_scan_insn): Output # line before and after asm.
7325 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
7327         * tree-ssa-structalias.c (variable_info): Remove
7328         finished_solution.
7329         (new_var_info): Ditto.
7330         (shared_bitmap_info_t): New structure.
7331         (shared_bitmap_table): New variable.
7332         (shared_bitmap_hash): New function.
7333         (shared_bitmap_eq): Ditto
7334         (shared_bitmap_lookup): Ditto.
7335         (shared_bitmap_add): Ditto.
7336         (merge_smts_into): Change to take bitmap directly.
7337         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
7338         (init_alias_vars): Init shared bitmap hashtable.
7339         (delete_points_to_sets): Delete shared bitmap hashtable.
7340         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
7341         is_aliased removal as a change that was still necessary was
7342         deleted.
7344 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
7346         * config/i386/i386.h (override_options): Conditionally disable
7347         x86_sahf for 64bit targets only.
7349 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7351         PR C/31072
7352         * c-decl.c (merge_decls): Don't call make_var_volatile.
7353         * varasm.c (make_var_volatile): Remove.
7354         * output.h (make_var_volatile): Remove.
7356 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
7358         PR tree-optimization/31085
7359         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
7361 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7363         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
7364         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
7365         ATTR_CONST_NOTHROW_LIST.
7367         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
7368         FIX_TRUNC_EXPR.
7370 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
7372         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
7374 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
7376         PR 31013
7377         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
7378         is declared.
7379         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
7380         passed, use shared libgcc.
7382 2007-03-08  Roger Sayle  <roger@eyesopen.com>
7384         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
7385         instead of calling build2 with a GIMPLE_MODIFY_STMT.
7386         (honor_protect_cleanup_actions, lower_try_finally_switch):
7387         Likewise.
7388         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
7389         ifc_temp_var): Likewise.
7390         * tree-inline.c (setup_one_parameter): Likewise.
7391         * tree-mudflap.c (mf_decl_cache_locals,
7392         mf_build_check_statement_for): Likewise.
7393         * tree-nested.c (init_tmp_var, save_tmp_var,
7394         finalize_nesting_tree_1): Likewise.
7395         * tree-outof-ssa.c (insert_copy_on_edge,
7396         insert_backedge_copies): Likewise.
7397         * tree-profile.c (tree_gen_edge_profiler,
7398         tree_gen_ic_profiler): Likewise.
7399         * tree-scalar-evolution.c (scev_const_prop): Likewise.
7400         * tree-sra.c (sra_build_assignment): Likewise.
7401         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
7402         * tree-ssa-math-opts.c (insert_reciprocals,
7403         execute_cse_sincos_1): Likewise.
7404         * tree-tailcall.c (adjust_accumulator_values,
7405         adjust_return_value): Likewise.
7406         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
7407         * tree-vect-transform.c (vect_create_data_ref_ptr,
7408         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
7409         vect_create_epilog_for_reduction, vectorizable_reduction,
7410         vectorizable_call, vectorizable_conversion,
7411         vectorizable_assignment, vectorizable_operation,
7412         vectorizable_type_demotion, vect_gen_widened_results_half,
7413         vect_permute_store_chain, vectorizable_store,
7414         vect_setup_realignment, vect_permute_load_chain,
7415         vectorizable_load, vectorizable_condition,
7416         vect_create_cond_for_align_checks): Likewise.
7417         * tree-vrp.c (build_assert_expr_for): Likewise.
7419 2007-03-08  Ian Lance Taylor  <iant@google.com>
7421         * tree-vrp.c: Include "intl.h".
7422         (usable_range_p): New static function.
7423         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
7424         overflowed values, juts set *strict_overflow_p.
7425         (compare_values): Only return -2 if one of the operands is not a
7426         constant.
7427         (compare_ranges): Call usable_range_p.
7428         (compare_range_with_value): Likewise.
7429         (vrp_evaluate_conditional_warnv): Rename from
7430         vrp_evaluate_conditional.  Make static.  Change all callers.
7431         (vrp_evaluate_conditional): New function.
7432         (simplify_div_or_mod_using_ranges): Issue warning about reliance
7433         on signed overflow.
7434         (simplify_abs_using_ranges): Likewise.
7435         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
7436         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
7437         within_stmt parameter.
7438         * tree-ssa-propagate.c (fold_predicate_in): Update call to
7439         vrp_evaluate_conditional.
7440         * tree-ssa-threadedge.c
7441         (record_temporary_equivalences_from_stmts_at_dest): Change
7442         simplify parameter to take a second tree parameter.
7443         (simplify_control_stmt_condition): Likewise.
7444         (thread_across_edge): Likewise.
7445         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
7446         (thread_across_edge): Likewise.
7447         * Makefile.in (tree-vrp.o): Depend upon intl.h.
7449 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
7451         * config/i386/i386.h (TARGET_SAHF): New define.
7452         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
7453         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
7454         (x86_sahf): New global variable.
7455         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
7456         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
7457         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
7458         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
7459         for 64-bit.
7460         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
7461         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
7462         when expanding fcomi/sahf based tests.
7463         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
7464         expanding sahf based alternative. Emit sahf based sequence when
7465         optimizing for code size.
7466         * config/i386/i386.md (x86_sahf_1): Do not disable for
7467         TARGET_64BIT, enable for TARGET_SAHF.
7469 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
7471         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
7472         spurious whitespace from error message.
7474 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
7476         PR c++/30852
7477         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
7479 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
7481         * c-decl.c (grokdeclarator): Disable warnings for anonymous
7482         bitfields.
7483         * tree-sra.c (instantiate_element): Propagate disabled warnings
7484         from the element itself to the created variable.
7486 2007-03-07  Richard Henderson  <rth@redhat.com>
7488         PR target/30848
7489         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
7490         silently fix up the stack in the case of a missing register.
7492 2007-03-07  Paul Brook  <paul@codesourcery.com>
7494         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
7496 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
7498         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
7499         New.
7500         (phase1_vrs): Use them.
7501         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
7502         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
7503         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
7504         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
7505         __gnu_Unwind_Restore_WMMXC if required.
7506         (_Unwind_VRS_Pop): Implement iWMMXt support.
7507         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
7508         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
7509         gnu_Unwind_Save_WMMXC): Define.
7511 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
7513         * config/vxworks.h (vxworks_override_options): Declare.
7514         (VXWORKS_OVERRIDE_OPTIONS): Use it.
7515         * config/vxworks.c: Include target.h and toplev.h.
7516         (vxworks_override_options): New function.
7517         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
7519 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
7521         * config/s390/s390.c (override_options): Don't emit an error when
7522         -mstack-size is used without providing -mstack-guard.
7523         (s390_emit_prologue): Choose stack_guard value automatically if not
7524         provided via command line.
7525         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
7527 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
7529         * config/i386/i386.c (output_set_got): Add a GOT initialization
7530         sequence for VxWorks PIC.
7531         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
7532         around labels as well as symbols.  Use gotoff_operand instead
7533         of local_symbolic_operand.
7534         (legitimize_pic_address): Use gotoff_operand instead of
7535         local_symbolic_operand.  Use @GOT accesses for labels as
7536         well as symbols.
7537         (ix86_output_addr_diff_elt): Use PC-relative rather than
7538         GP-relative offsets for VxWorks PIC.
7539         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
7540         no_new_pseudos.  Check whether the returned register is op0.
7541         * config/i386/i386.md (tablejump): Use PC-relative rather than
7542         GP-relative offsets for VxWorks PIC.
7543         * config/i386/predicates.md (gotoff_operand): New predicate.
7545 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7547         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
7548         before defining.
7549         * config/vxworks-dummy.h: New file.
7550         * config/i386/i386.h: Include it.
7552 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
7554         * dwarf2out.c (is_inlined_entry_point): New
7555         (add_high_low_attributes): Emit DW_AT_entry_pc along with
7556         DW_AT_ranges if the first subblock is the entry point.
7558 2007-03-06  David Daney  <ddaney@avtrex.com>
7560         * doc/install.texi (mips-*-*): Change recommended binutils
7561         version.
7563 2007-03-06  Anatoly Sokolov <aesok@post.ru>
7565         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
7566         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
7567         devices.
7568         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7569         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7571 2007-03-06  Jan Hubicka  <jh@suse.cz>
7573         * errors.h (warning, error, fatal, internal_error): Mark as cold.
7574         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
7575         are hot.
7576         (probably_cold_bb_p): Cold functions are cold.
7577         (probably_never_executed_bb_p): Cold functions are cold.
7578         (tree_bb_level_predictions): Predict calls to cold functions as not
7579         taken.
7580         (compute_function_frequency): Check hot/cold attributes.
7581         * function.h (function_frequency): Update comments.
7582         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
7583         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
7584         (c_common_att): Add cold and hot.
7586         * doc/extend.texi (hot,cold attributes): Document.
7588 2007-03-06  Andrew Haley  <aph@redhat.com>
7590         * function.c (expand_function_end): Move blockage to just after we
7591         emit the label for the naked return from the function.
7593 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7595         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
7596         before redefining.
7598 2007-03-06  Jan Hubicka  <jh@suse.cz>
7600         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
7601         loaded for constant large models.  Non-large 64bit PIC can do.
7602         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
7603         * cmodel.h: Add LARGE PIC.
7604         * i386.md (UNSPEC_PLTOFF): New.
7605         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
7606         needed.
7607         (*call_1_rex64): Disable for large models.
7608         (*call_1_rex64_large): New.
7609         (*call_value_1_rex64): Disable for large models.
7610         (*call_value_1_rex64_large): New.
7611         (set_rip_rex4): New.
7612         (set_got_offset_rex64): New.
7613         * predicates.md (constant_call_address_operand): For large model
7614         constant calls are not possible.
7615         * i386-protos.h (construct_plt_address): Declare.
7616         * i386.c (override_options): Accept large models.
7617         (ix86_expand_prologue): Expand large PIC GOT pointer load.
7618         (legitimate_constant_p): Add new UNSPECs.
7619         (legitimate_pic_operand_p): Likewise.
7620         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
7621         (legitimize_pic_address): Do easy RIP relative way for TLS only for
7622         non-large model.
7623         (output_pic_addr_const): Add PLTOFF.
7624         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
7625         (ix86_expand_move): Legitimize pic address when in PIC mode.
7626         (construct_plt_address): New function.
7627         (ix86_expand_call): Offload the address to register and use GOT pointer
7628         for large model.
7629         * invoke.texi (mcmodel=large): Update documentation.
7631 2007-03-06  Richard Henderson  <rth@redhat.com>
7633         * config/i386/i386.c (x86_use_leave, x86_push_memory,
7634         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
7635         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
7636         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
7637         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
7638         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
7639         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
7640         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
7641         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
7642         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7643         x86_partial_reg_dependency, x86_memory_mismatch_stall,
7644         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
7645         x86_sse_partial_reg_dependency, x86_sse_split_regs,
7646         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
7647         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
7648         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
7649         x86_schedule, x86_use_bt, x86_pad_returns,
7650         x86_use_xchgb): Merge into ...
7651         (ix86_tune_features): ... here.  New array.
7652         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
7653         x86_bswap): Merge into ...
7654         (ix86_arch_features): ... here.  New array.
7655         (x86_3dnow_a): Remove.
7656         (x86_accumulate_outgoing_args): Make static.
7657         (x86_arch_always_fancy_math_387): Make static.
7658         (ix86_tune_mask, ix86_arch_mask): Move ...
7659         (override_options): ... to local variables here.  Apply the
7660         appropriate mask to each element of ix86_arch_features and
7661         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
7662         as were done in the old macros.
7663         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
7664         * config/i386/i386.h (x86_use_leave, x86_push_memory,
7665         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
7666         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
7667         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
7668         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
7669         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
7670         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
7671         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
7672         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
7673         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
7674         x86_partial_reg_dependency, x86_memory_mismatch_stall,
7675         x86_accumulate_outgoing_args, x86_prologue_using_move,
7676         x86_epilogue_using_move, x86_decompose_lea,
7677         x86_arch_always_fancy_math_387, x86_shift1,
7678         x86_sse_partial_reg_dependency, x86_sse_split_regs,
7679         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
7680         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
7681         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
7682         x86_use_incdec, x86_pad_returns, x86_bswap,
7683         x86_partial_flag_reg_stall): Remove.
7684         (enum ix86_tune_indices): New.
7685         (ix86_tune_features): New.
7686         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
7687         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
7688         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
7689         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
7690         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
7691         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
7692         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
7693         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
7694         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
7695         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
7696         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
7697         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
7698         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
7699         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
7700         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
7701         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
7702         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
7703         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
7704         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
7705         TARGET_EXT_80387_CONSTANTS): Use it.
7706         (enum ix86_arch_indices): New.
7707         (ix86_arch_features): New.
7708         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
7709         TARGET_BSWAP): Use it.
7710         (ix86_tune_mask, ix86_arch_mask): Remove.
7712 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
7714         PR bootstrap/31020
7715         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
7716         Define using $${sysroot_headers_suffix}.
7717         * configure: Regenerate.
7718         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
7719         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
7720         defined.
7721         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
7722         * gcc.c (print_sysroot_headers_suffix): New.
7723         (option_map): Include --print-sysroot-headers-suffix.
7724         (display_help): Mention -print-sysroot-headers-suffix.
7725         (process_command): Handle -print-sysroot-headers-suffix.
7726         (do_spec_1): Append multilib directory to include-fixed path if
7727         sysroot suffixes in use.
7728         (main): Handle -print-sysroot-headers-suffix.
7729         * Makefile.in (start.encap): Don't depend on xlimits.h
7730         (xlimits.h): Remove.
7731         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
7732         limits.h for each multilib in fixinc_list.
7733         (fixinc_list, s-fixinc_list): New.
7734         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
7735         generate them for each multilib in fixinc_list.
7736         (stmp-fixproto): Use include-fixed.  Run fixproto for each
7737         multilib in fixinc_list.
7738         (mostlyclean): Don't remove xlimits.h.
7739         (clean): Remove include-fixed.
7740         (real-install-headers-tar, real-install-headers-cpio,
7741         real-install-headers-cp): Don't copy include, only include-fixed.
7742         (install-mkheaders): Depend on fixinc_list.  Don't depend on
7743         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
7744         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
7745         SYSTEM_HEADER_DIR setting in mkheaders.conf.
7747 2007-03-06  Jan Hubicka  <jh@suse.cz>
7749         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
7750         NANs easilly.
7752 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7754         * configure.ac: Allow tm_file to contain build-directory files.
7755         * configure: Regenerate.
7756         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
7757         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
7758         * config/m68k/print-sysroot-suffix.sh: New file.
7760 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7762         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
7763         of pic_offset_table_rtx if reload_completed.
7764         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
7765         PIC_OFFSET_TABLE_REGNUM.
7766         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
7767         return true.
7768         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
7769         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
7771 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7773         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
7774         functions that call eh_return.
7776 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7778         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
7779         functions that need a constant pool.
7781 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7783         PR target/28181
7784         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
7785         (m68k_preferred_reload_class): Likewise.
7786         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
7787         (SECONDARY_RELOAD_CLASS): Define.
7788         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
7789         (LIMIT_RELOAD_CLASS): Delete.
7790         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
7791         registers from storing bytes.
7792         (m68k_secondary_reload_class): New function.
7793         (m68k_preferred_reload_class): Likewise.
7795 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7797         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
7798         leaf functions.
7799         (m68k_expand_prologue): Likewise.
7801 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7803         * config/m68k/m68k-protos.h (output_sibcall): Declare.
7804         (mips_expand_epilogue): Add a bool parameter.
7805         (m68k_legitimize_sibcall_address): Declare.
7806         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
7807         (m68k_expand_epilogue): Add a parameter to select between sibling
7808         and normal epilogues.  Only generate a return for the latter.
7809         (m68k_ok_for_sibcall_p): New function.
7810         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
7811         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
7812         (sibcall_value, *sibcall_value): Likewise.
7813         (*call, *call_value): Require !SIBLING_CALL_P.
7814         (epilogue): Update call to m68k_expand_epilogue.
7815         (sibcall_epilogue): New pattern.
7816         * config/m68k/predicates.md (const_call_operand): Say that this
7817         predicate applies to sibling calls too.
7818         (sibcall_operand): New predicate.
7820 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7822         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
7823         alternatives as movsi_cf.
7824         (movsf_cf_hard): Add commentary.
7826 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
7827             Richard Sandiford  <richard@codesourcery.com>
7829         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
7830         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
7831         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
7832         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
7833         as being live on exit from an interrupt function.
7834         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
7835         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
7836         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
7837         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
7838         (m68k_interrupt_function_p): Globalize.
7839         (m68k_compute_frame_layout): Remove reverse mask code.
7840         (m68k_emit_movem, m68k_set_frame_related): New functions.
7841         (m68k_output_function_prologue): Delete in favor of...
7842         (m68k_expand_prologue): ...this new function.
7843         (m68k_output_function_epilogue): Delete in favor of...
7844         (m68k_expand_epilogue): ...this new function.
7845         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
7846         functions.
7847         (print_operand): Handle %?.
7848         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
7849         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
7850         (prologue, epilogue): New patterns.
7851         (return): Turn into a define_expand.
7852         (*return): New pattern, derived from old "return" pattern.  Use rte
7853         rather than rts for interrupt functions.  Only use rtd if the pop
7854         count is nonzero.
7855         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
7856         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
7857         (link, *link, unlink, *unlink, load_got): Likewise.
7859 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7861         PR target/23482
7862         PR target/17114
7863         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
7864         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
7865         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
7866         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
7867         and m68k_matches_u_p.
7868         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
7869         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
7870         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
7871         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
7872         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
7873         (REG_STRICT_P): New macro.
7874         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
7875         PCREL_GENERAL_OPERAND_OK.
7876         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
7877         m68k_legitimate_base_reg_p.
7878         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
7879         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
7880         (PIC_CASE_VECTOR_ADDRESS): Update comment.
7881         * config/m68k/m68k.c (m68k_address): New structure.
7882         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
7883         (m68k_decompose_index, m68k_legitimate_constant_address_p)
7884         (m68k_jump_table_ref_p, m68k_decompose_address)
7885         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
7886         (m68k_matches_u_p): New functions.
7887         (print_operand_address): Rewrite to use m68k_decompose_index.
7889 2007-03-05  David Taylor  <dtaylor@emc.com>
7891         * gcc.c: Correct copyright date in --version output.
7893 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7895         * pa.md: In unamed move patterns, disparge copies between general
7896         and floating point registers using '?' modifier.  Don't include 'f'
7897         constraint for register preferences in DImode, SImode, HImode and
7898         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
7899         Remove constraints for copies between general and floating registers
7900         in soft-float DFmode pattern.
7901         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
7902         floating register.
7903         (movsf): Likewise.
7905 2007-03-05  Mike Stump  <mrs@apple.com>
7907         * c-common.c (targetcm): Add.
7908         * c-opts.c (c_common_handle_option): Handle language specific
7909         target options.
7910         * opts.c (handle_option): Verify language for target options, if
7911         any are given.
7912         * opth-gen.awk: Add CL_LANG_ALL.
7913         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
7914         (TARGETCM_INITIALIZER): Add.
7915         * target.h (struct gcc_targetcm): Add.
7916         (targetcm): Add.
7917         * targhooks.c (default_handle_c_option): Add.
7918         * targhooks.h (default_handle_c_option): Add.
7919         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
7921         * config/darwin.opt (iframework): Add.
7922         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
7923         * config/darwin-c.c (handle_c_option): Add.
7924         (TARGET_HANDLE_C_OPTION): Add.
7925         (targetcm): Add.
7926         * doc/invoke.texi (Darwin Options): Add -iframework.
7928 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7930         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
7931         conversion.
7933 2007-03-05  Ian Lance Taylor  <iant@google.com>
7935         * c.opt (fgnu89-inline): New option.
7936         * c-opts.c (c_common_post_options): Set default value for
7937         flag_gnu89_inline.
7938         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
7939         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
7940         inline functions.
7941         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
7942         (grokdeclarator, start_function): Likewise.
7943         * c-cppbuiltin.c (c_cpp_builtins): Define either
7944         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
7945         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
7946         (C Dialect Options): Document -fgnu89-inline.
7947         * doc/extend.texi (Function Attributes): Explain what the
7948         gnu_inline attribute does.
7949         * doc/cpp.texi (Common Predefined Macros): Document
7950         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
7952 2007-03-05  Ian Lance Taylor  <iant@google.com>
7954         PR tree-optimization/31034
7955         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
7956         half-range if the other side is an overflow infinity.
7958 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
7960         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
7961         (bfin*-linux-uclibc*): New configuration.
7962         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
7963         defining.
7964         * config/bfin/linux.h: New file.
7965         * config/bfin/libgcc-bfin.ver: New file.
7966         * config/bfin/t-bfin-uclinux: New file.
7967         * config/bfin/t-bfin-linux: New file.
7968         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
7969         (TARGET_OS_CPP_BUILTINS): New macro.
7971 2007-03-05  Richard Guenther  <rguenther@suse.de>
7973         * fold-const.c (fold_binary): Remove duplicate folding
7974         of comparison of non-null ADDR_EXPR against null.
7976 2007-03-05  Richard Guenther  <rguenther@suse.de>
7977             Dorit Nuzman  <dorit@il.ibm.com>
7979         PR tree-optimization/26420
7980         * tree-vectorizer.c (vectorize_loops): Bail out early if there
7981         are no loops in the function.  Only print the number of
7982         vectorized loops if it is greater than zero or we are supposed
7983         to print information about unvectorized loops.
7985 2007-03-05  Revital Eres  <eres@il.ibm.com>
7987         * gcc.dg/var-expand1.c: New test.
7988         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
7989         when an accumulator is expanded.
7991 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7993         PR other/30465
7994         * c-common.c (convert_and_check): Don't give warnings for
7995         conversion if 'expr' already overflowed.
7997 2007-03-04  Roger Sayle  <roger@eyesopen.com>
7999         PR middle-end/30744
8000         * fold-const.c (fold_comparison): Enforce type consistency when
8001         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
8003 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
8005         * tree-ssa-address.c (create_mem_ref): Do not put an expression
8006         containing a cast to the base of TARGET_MEM_REF.
8008 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
8010         * tree.c (tree_contains_struct_check_failed): Remove spurious
8011         whitespace from error message.
8013 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
8015         PR target/30406
8016         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
8017         instead of precision.
8019 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
8020             Nathan Sidwell  <nathan@codesourcery.com>
8022         * emit-rtl.c (find_auto_inc): New.
8023         (try_split): recreate REG_INC notes,
8024         Use regular for loops rather than whiles.
8026 2007-03-03  Andreas Schwab  <schwab@suse.de>
8028         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
8029         * configure: Regenerate.
8031 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8033         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
8034         flag_rounding_math, not flag_unsafe_math_optimizations.
8036         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
8037         fold_build2.
8038         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
8039         alpha_fold_vector_minmax): Likewise.
8040         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
8041         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
8043 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
8045         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
8046         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
8047         if the lhs has side-effects.
8048         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
8050 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
8052         * config/i386/i386.h (TUNEMASK): Remove define.
8053         (ARCHMASK): Remove define.
8054         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
8055          Use ix86_arch_mask variable instead of ARCHMASK.
8056         * config/i386/i386.c (override_options): Ditto.
8057         (standard_80387_constant_p): Ditto.
8059 2007-03-02  Ian Lance Taylor  <iant@google.com>
8061         Used signed infinities in VRP.
8062         * tree-vrp.c (uses_overflow_infinity): New static function.
8063         (supports_overflow_infinity): New static function.
8064         (make_overflow_infinity): New static function.
8065         (negative_overflow_infinity): New static function.
8066         (positive_overflow_infinity): New static function.
8067         (is_negative_overflow_infinity): New static function.
8068         (is_positive_overflow_infinity): New static function.
8069         (is_overflow_infinity): New static function.
8070         (overflow_infinity_range_p): New static function.
8071         (compare_values_warnv): New function split out of compare_values.
8072         (compare_value): Call it.
8073         (set_value_range_to_nonnegative): Add overflow_infinity
8074         parameter.  Change caller.
8075         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
8076         Change callers.
8077         (vrp_expr_computes_nonzero): Likewise.
8078         (compare_ranges, compare_range_with_value): Likewise.
8079         (compare_name_with_value, compare_names): Likewise.
8080         (vrp_evaluate_conditional): Likewise.
8081         (set_value_range): Handle infinity
8082         (vrp_operand_equal_p, operand_less_p): Likewise.
8083         (extract_range_from_assert): Likewise.
8084         (vrp_int_const_binop): Likewise.
8085         (extract_range_from_binary_expr): Likewise.
8086         (extract_range_from_unary_expr): Likewise.
8087         (extract_range_from_comparison): Likewise.
8088         (extract_range_from_expr): Likewise.
8089         (dump_value_range): Likewise.
8090         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
8091         (test_for_singularity): Likewise.
8092         (vrp_int_const_binop): Remove inline qualifier.
8093         (adjust_range_with_scev): Add comment.
8094         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
8096 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
8098         * tree-ssa-structalias.c (could_have_pointers): Tidy.
8099         (get_constraint_for): Likewise.
8100         (do_structure_copy): Likewise.
8101         (find_func_aliases): Fix references to MODIFY_EXPR.
8102         (intra_create_variable_infos): Tidy.
8103         * tree-ssa-operands.c (add_virtual_operand): Add argument
8104         IS_CALL_SITE.
8105         When adding members of alias sets, if IS_CALL_SITE is true and
8106         the symbol is not call-clobbered, skip it.
8107         Adjust all callers.
8109 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
8111         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
8112         entry by means of emit_insn_at_entry.
8114 2007-03-02  Richard Henderson  <rth@redhat.com>
8116         * expr.h (promoted_input_arg): Remove decl.
8117         * function.c (promoted_input_arg): Merge into ...
8118         * combine.c (setup_incoming_promotions): ... only caller.
8119         Rearrange to avoid double loop.
8121 2007-03-02  Ben Elliston  <bje@au.ibm.com>
8122             Peter Bergner  <bergner@vnet.ibm.com>
8123             Janis Johnson  <janis187@us.ibm.com>
8125         * config/rs6000/dfp.md: New file.
8126         * config/rs6000/rs6000.md: Include dfp.md.
8127         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
8128         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
8129         and TDmode decimal float modes in FP registers.
8130         (num_insns_constant): Likewise.
8131         (rs6000_legitimate_offset_address_p): Likewise.
8132         (rs6000_legitimize_address): Likewise.
8133         (rs6000_legitimize_reload_address): Likewise.
8134         (rs6000_legitimate_address): Likewise.
8135         (rs6000_emit_move): Likewise.
8136         (function_arg_boundary): Likewise.
8137         (function_arg_advance): Likewise.
8138         (rs6000_darwin64_record_arg_recurse): Likewise.
8139         (function_arg): Likewise.
8140         (rs6000_gimplify_va_arg): Likewise.
8141         (rs6000_split_multireg_move): Likewise.
8142         (rs6000_output_function_epilogue): Likewise.
8143         (rs6000_output_function_epilogue): Likewise.
8144         (rs6000_register_move_cost): Likewise.
8145         (rs6000_function_value): Likewise.
8146         (rs6000_libcall_value): Likewise.
8148 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
8150         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
8152 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
8154         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
8155         Use $MULTIDIR to choose between the kernel and RTP headers,
8156         and use $WIND_BASE and $WIND_USR to locate them.
8158 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
8160         * config/i386/i386.c (override_options): Put initialization of
8161         ix86_tune_mask and ix86_arch_mask to the correct place.
8163 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
8164             Michael Meissner  <michael.meissner@amd.com>
8166         PR target/31019
8167         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
8168         (ARCHMASK): Define.
8169         (TARGET_CMOVE): Use ARCHMASK.
8170         (TARGET_CMPXCHG): Ditto.
8171         (TARGET_CMPXCHG8B): Ditto.
8172         (TARGET_XADD): Ditto.
8173         (TARGET_BSWAP): Ditto.
8174         * config/i386/i386.c (ix86_tune_mask): New global variable.
8175         (ix86_arch_mask): Ditto.
8176         (override_options): Initialize ix86_tune_mask and
8177         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
8178         target_flags.
8180 2007-03-02  Ben Elliston  <bje@au.ibm.com>
8182         PR 30992
8183         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
8185 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
8187         * target.h (init_dwarf_reg_sizes_extra): New target hook.
8188         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
8189         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
8190         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
8191         hook.
8192         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
8193         rs6000_init_dwarf_reg_sizes_extra): New.
8194         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
8195         SPE register high parts.
8197 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
8199         * Makefile.in: Add install-pdf target as
8200         copied from automake v1.10 rules.
8201         * configure.ac: Add install-pdf to target list.
8202         * configure: Regenerate.
8204 2007-03-01  Paul Brook  <paul@codesourcery.com>
8206         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
8207         modes to LDRD for DImode.
8208         (output_move_double): Fixup out of range ldrd/strd.
8209         (vfp_secondary_reload_class): Rename...
8210         (coproc_secondary_reload_class): ... to this.  Add wb argument.
8211         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
8212         coproc_secondary_reload_class for CLASS_IWMMXT.
8213         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
8214         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
8216 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
8218         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
8219         factor by the estimated number of iterations.
8220         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
8221         prefetch latency.
8223         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
8224         decode_caches_intel, detect_caches_intel): New functions.
8225         (host_detect_local_cpu): Use detect_caches_amd and
8226         detect_caches_intel.
8228 2007-03-01  Richard Henderson  <rth@redhat.com>
8230         * expr.c (emit_move_complex_push): Export.
8231         (emit_move_complex_parts): Split out from ...
8232         (emit_move_complex): ... here.
8233         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
8234         * config/i386/i386.md (movcdi): New.
8236 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
8238         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
8239         size of mode1 to check for tieable modes in MMX case.
8241 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
8243         * Makefile.in (rtlanal.o): Depend on tree.h.
8244         * rtl.h (offset_within_section_p, split_const): Declare.
8245         * rtlanal.c: Include tree.h.
8246         (offset_within_block_p): New function, taken from
8247         mips_offset_within_object_p.
8248         (split_const): New function, taken from mips_split_const.
8249         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
8250         Declare.
8251         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
8252         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
8253         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
8254         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
8255         (m68k_illegitimate_symbolic_constant_p): New function.
8256         * config/m68k/m68k.md (movsi): Remove misleading predicates.
8257         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
8258         symbolic constant that might be outside the symbol's section,
8259         move the symbol first and then add the offset.
8260         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
8261         Override.
8262         * config/mips/mips.c (mips_split_const): Delete.
8263         (mips_offset_within_object_p): Delete.
8264         (mips_symbolic_constant_p): Use offset_within_section_p and
8265         split_const instead of mips_offset_within_object_p and
8266         mips_split_const.
8267         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
8268         (mips_legitimize_const_move, print_operand_reloc)
8269         (mips_dangerous_for_la25_p): Use split_const instead of
8270         mips_split_const.
8272 2007-02-28  Eric Christopher  <echristo@apple.com>
8274         * Makefile.in (install-include-dir): Don't rm -rf include.
8276 2007-02-28  Richard Guenther  <rguenther@suse.de>
8278         PR middle-end/30364
8279         * fold-const.c (fold_binary): Do not associate expressions
8280         with more than one variable for integer types that do not wrap.
8282 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
8284         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
8285         Delete, and replace with...
8286         (fold_builtin_call_array): This.  Update callers to use it.
8287         * fold-const.c (fold_build_call_list): Delete, and replace with...
8288         (fold_build_call_array): This.
8289         (fold_build_call_list_initializer): Delete, and replace with...
8290         (fold_build_call_array_initializer): This.
8291         * tree.h: Update declarations to reflect above changes.
8293         * c-typeck.c (build_function_call): Store converted arguments
8294         in a stack-allocated array instead of building a list.
8295         (convert_arguments): Store arguments in the array passed in as an
8296         argument, and return the actual number of arguments.
8297         * c-format.c: (check_function_format): Pass arguments in an
8298         array instead of a list.
8299         * c-common.c (check_function_nonnull): Likewise.
8300         (check_function_sentinel): Likewise.
8301         (check_function_arguments): Likewise.
8302         * c-common.h: Update declarations to reflect above changes.
8304 2007-02-28  Jan Hubicka  <jh@suse.cz>
8306         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
8307         PRED_NEGATIVE_RETURN): Update outcomes.
8309 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
8311         * calls.c (emit_library_call_value_1): Handle partial registers
8312         correctly when building up CALL_INSN_FUNCTION_USAGE.
8314 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8316         * pa/predicates.md (move_src_operand): Allow zero for mode.
8317         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
8318         move pattern.
8320 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
8322         PR target/30970
8323         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
8324         *movv2df_internal): Enable pattern only for valid operand
8325         combinations.
8326         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
8327         tie only 128bit modes. For MMX registers, tie only 64bit modes.
8329 2007-02-27  Mike Stump  <mrs@apple.com>
8331         * config/darwin-crt3.c: Avoid compilation when compiling for a
8332         kext multilib.
8334 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
8336         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
8337         FIXED_INCLUDE_DIR.
8338         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
8339         for fixed headers and limits.h.
8340         (install-include-dir, install-headers-tar, install-headers-cpio,
8341         install-headers-cp, real-install-headers-tar,
8342         real-install-headers-cpio, real-install-headers-cp): Handle
8343         include-fixed as well as include.
8344         (install-mkheaders): Don't install files that go only in include
8345         not include-fixed.
8346         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
8347         from GCC_INCLUDE_DIR.
8348         * gcc.c (process_command): Remove special -BstageN/ handling.
8349         (do_spec_1): Add include-fixed directories.
8351 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
8353         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
8354         _smulsi3_highpart.
8355         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
8356         New functions.
8357         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
8358         patterns.
8360 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
8362         * c-common.c (get_priority): Add check for
8363         SUPPORTS_INIT_PRIORITY.
8365 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
8367         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
8369         * config/bfin/bfin.c: Include "cfglayout.h".
8370         (MAX_LSETUP_DISTANCE): New macro.
8371         (struct loop_info): New members incoming, incoming_src and
8372         incoming_dest.  Delete member predecessor.
8373         (length_for_loop): New function.
8374         (bfin_optimize_loop): Handle more different loop structures.
8375         (bfin_discover_loop): Rework detection of predecessor blocks by
8376         examining incoming edges.
8377         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
8378         bfin_reorg_loops.
8379         (bfin_reorder_loops): New function.
8380         (bfin_reorg_loops): Use these three new functions.
8382         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
8383         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
8384         (CONSTRAINT_LEN): Add entry for 'q'.
8385         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
8386         Add 'q' constraints.
8387         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
8388         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
8390         * config/bfin/bfin.md (add_with_carry): New pattern.
8391         (s_or_u, su_optab, su_modifier): New code macros/attrs.
8392         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
8393         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
8394         support unsigned multiplies too.  Removed incorrect commutativity from
8395         operand 1 constraint where appropriate.
8396         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
8397         patterns.
8398         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
8399         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
8400         New patterns.
8401         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
8402         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
8403         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
8404         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
8405         usmulhisi_hh_huh): New patterns.
8407         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
8408         lshifthi3): Fix output template to use half reg for operand 2.
8410         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
8411         instead of R2.
8413         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
8415 2007-02-27  Andreas Schwab  <schwab@suse.de>
8417         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
8419 2007-02-27  Jan Hubicka  <jh@suse.cz>
8421         * predict.c (last_basic_block_p): Remove.
8422         (tree_estimate_probability): Update return heuristic for commonized
8423         return blocks.
8425 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
8427         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
8429 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
8431         * doc/include/gcc-common.texi (versionsubtitle): New macro.
8432         * doc/cpp.texi: Standardize title page.
8433         * doc/cppinternals.texi: Likewise.
8434         * doc/gcc.texi: Standardize title page, remove version number
8435         from copyright page.
8436         * doc/gccint.texi: Likewise.
8437         * doc/install.texi: Standardize title page, add table of
8438         contents.
8440 2007-02-26  Jan Hubicka  <jh@suse.cz>
8442         * predict.def: Set outcomes according to more recent results.
8443         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
8444         Remove dead predictors.
8445         * predict.c (return_prediction): Fix pasto.
8447 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
8449         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
8450         change; avoid a memory leak when returning early.
8452 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
8454         * c-decl.c (static_ctors): Move to c-common.c.
8455         (static_dtors): Likewise.
8456         (finish_function): Use c_record_cdtor_fn.
8457         (build_cdtor): Move to c-common.c.
8458         (c_write_global_declarations): Use c_build_cdtor_fns.
8459         * c-common.h (static_ctors): Declare.
8460         (static_dtors): Likewise.
8461         (c_record_cdtor_fn): Likewise.
8462         (c_build_cdtor_fns): Likewise.
8463         * c-common.c (static_ctors): New variable.
8464         (static_dtors): Likewise.
8465         (c_record_cdtor_fn): New function.
8466         (build_cdtor): Move from c-decl.c
8467         (c_build_cdtor_fns): New function.
8469         * output.h (assemble_addr_to_section): Declare.
8470         (get_cdtor_priority_section): Likewise.
8471         * varasm.c (assemble_addr_to_section): New function.
8472         (get_cdtor_priority_section): Likewise.
8473         (default_named_section_asm_out_destructor): Use them.
8474         (destor_dtor_section_asm_out_destructor): Likewise.
8475         (default_named_section_asm_out_constructor): Likewise.
8476         (default_ctor_section_asm_out_constructor): Likewise.
8477         * config.gcc (*-*-vxworks*): Include vxworks.o.
8478         * config/t-vxworks (vxworks.o): New target.
8479         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
8480         (TARGET_ASM_CONSTRUCTOR): Define.
8481         (TARGET_ASM_DESTRUCTOR): Likewise.
8482         (vxworks_asm_out_constructor): Declare.
8483         (vxworks_asm_out_destructor): Likewise.
8485         * c-common.c (get_priority): Check that we have not just an
8486         INTEGER_CST, but an integer constant with integeral type.
8488 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
8490         PR tree-optimization/30938
8491         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
8492         use &dt[nargs-1] instead of &dt[nargs] in the call to
8493         vect_is_simple_use().
8495 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
8497         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
8498         from register elimination as PRE_MODIFY / POST_MODIFY increments.
8499         Do not attempt to handle MEM inside auto-inc expressions.
8500         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
8501         of a register modified by an auto-inc expression.  However, do handle
8502         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
8503         (elimination_effects): Prohibit elimination of a register modified
8504         by an auto-inc expression.  Disable register elimination rules whose
8505         target register is modified by an auto-inc expression with variable
8506         increment.
8508 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
8510         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
8511         off-by-one error.
8512         (array_at_struct_end_p): New function.
8513         (idx_infer_loop_bounds): Use it.
8514         (estimate_numbers_of_iterations_loop): Export.
8515         * predict.c (predict_loops): Use estimated_loop_iterations_int.
8516         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
8517         (tree_estimate_probability): Call record_loop_exits.
8518         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
8519         (estimated_loop_iterations, estimated_loop_iterations_int,
8520         estimated_loop_iterations_tree): New functions.
8521         (analyze_siv_subscript_cst_affine,
8522         compute_overlap_steps_for_affine_1_2,
8523         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
8524         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
8525         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
8526         (PRED_LOOP_ITERATIONS_GUESSED): New.
8527         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
8528         * cfgloop.h (estimate_numbers_of_iterations_loop,
8529         estimated_loop_iterations_int): Declare.
8531 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
8533         * doc/extend.texi: Document optional priority argument to
8534         constructors and destructors.
8535         * tree.c (init_priority_for_decl): Adjust GTY markers.
8536         (init_ttree): Use priority-info hash functions for
8537         init_priority_for_decl.
8538         (tree_map_eq): Rename to ...
8539         (tree_map_base_eq): ... this.
8540         (tree_map_marked_p): Rename to ...
8541         (tree_map_base_marked_p): ... this.
8542         (tree_map_base_hash): New function.
8543         (decl_init_priority_lookup): Rework.
8544         (decl_fini_priority_lookup): New function.
8545         (decl_priority_info): New function.
8546         (decl_init_priority_insert): Use it.
8547         (decl_fini_priority_insert): Likewise.
8548         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
8549         hierarchy.
8550         (decl_restrict_base_insert): Likewise.
8551         (decl_debug_expr_insert): Likewise.
8552         (decl_value_expr_lookup): Likewise.
8553         (decl_value_expr_insert): Likewise.
8554         * tree.h (priority_type): New type.
8555         (decl_init_priority_lookup): Use priority_type.
8556         (decl_fini_priority_lookup): New function.
8557         (decl_init_priority_insert): Use priority_type.
8558         (decl_fini_priority_insert): New function.
8559         (DECL_HAS_INIT_PRIORITY): Tweak comments.
8560         (DECL_INIT_PRIORITY): Likewise.
8561         (SET_DECL_INIT_PRIORITY): Add comment.
8562         (DECL_FINI_PRIORITY): New macro.
8563         (SET_DECL_FINI_PRIORITY): Likewise.
8564         (DEFAULT_INIT_PRIORITY): Document.
8565         (MAX_INIT_PRIORITY): Likewise.
8566         (MAX_RESERVED_INIT_PRIORITY): Likewise.
8567         (tree_map_base): New type.
8568         (tree_map_base_eq): New function.
8569         (tree_map_base_hash): Likewise.
8570         (tree_map_base_marked_p): Likewise.
8571         (tree_map): Inherit from tree_map_base.
8572         (tree_map_eq): Make it a macro.
8573         (tree_map_marked_p): Likewise.
8574         (tree_int_map): Inherit from tree_map_base.
8575         (tree_int_map_eq): Make it a macro.
8576         (tree_int_map_hash): Likewise.
8577         (tree_int_map_marked_p): Likewise.
8578         (tree_priority_map): New type.
8579         (tree_priority_map_eq): New macro.
8580         (tree_priority_map_hash): Likewise.
8581         (tree_priority_map_marked_p): Likewise.
8582         * varasm.c (emults_decl): Adjust for refactoring of tree_map
8583         hierarchy.
8584         (emutls_common_1): Likewise.
8585         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
8586         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
8587         of tree_map hierarchy.
8588         * tree-cfg.c (move_stmt_r): Likewise.
8589         (new_label_mapper): Likewise.
8590         * c-tree.h (c_expand_body): Move to ...
8591         * c-common.h (c_expand_body): ... here.
8592         * c-decl.c (c_expand_body): Move to ...
8593         * c-common.c (c_expand_body): ... here.
8594         (c_common_attribute_table): Allow 1 argument for the constructor
8595         and destructor attributes.
8596         (get_priority): New function.
8597         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
8598         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
8600 2007-02-24  Jan Hubicka  <jh@suse.cz>
8602         PR middle-end/30509
8603         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
8605 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
8606             Jan Hubicka  <jh@suse.cz>
8608         PR target/30778
8609         * i386.c (counter_mode): New function.
8610         (expand_set_or_movmem_via_loop): Use it.
8611         (expand_movmem_epilogue): Likewise; fix pasto.
8612         (ix86_expand_movmem): Do emit guard even for constant counts.
8613         (ix86_expand_setmem): Likewise.
8615 2007-02-25  Nick Clifton  <nickc@redhat.com>
8617         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
8618         (JUMP_TABLES_IN_TEXT_SECTION): Define.
8620 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
8622         PR target/30770
8623         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
8624         count argument with 0x10, not with 0x16.
8625         (expand_setmem_epilogue): Ditto.
8627 2007-02-24  Mike Stump  <mrs@apple.com>
8629         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
8630         symbols.
8632 2007-02-24  Richard Guenther  <rguenther@suse.de>
8634         PR middle-end/30951
8635         * fold-const.c (fold_binary): Fold x +- CST op x for
8636         EQ_EXPR and NE_EXPR.
8638 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8640         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
8642 2007-02-24  Jan Hubicka  <jh@suse.cz>
8644         * cgraphunit.c (decide_is_function_needed): Honor
8645         -fkeep-inline-functions.
8647 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8649         * builtins.c (fold_builtin_modf): New.
8650         (fold_builtin_2): Use it.
8652 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
8654         * loop-iv.c (implies_p): Detect additional cases where A implies B.
8655         (determine_max_iter): Take additional LOOP arg; all callers changed.
8656         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
8657         one using simplifications.
8658         (simplify_using_initial_values): Return if the expression becomes
8659         invalid due to altered regs.
8661 2007-02-23  DJ Delorie  <dj@redhat.com>
8663         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
8665 2007-02-23  Mike Stump  <mrs@apple.com>
8667         * tlink.c (scan_linker_output): Parse linker messages from
8668         darwin9's linker better.
8670 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
8672         PR debug/29614
8673         * varpool.c (varpool_assemble_pending_decls):  Set
8674         varpool_last_needed_node to null.
8676 2007-02-23  DJ Delorie  <dj@redhat.com>
8678         * config/i386/i386.c (ix86_data_alignment): Don't specify an
8679         alignment bigger than the object file can handle.
8681 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
8683         PR target/30825
8684         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
8685         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
8686         (*movsf_1): Penalize MMX moves.
8688 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
8690         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
8691         2^32-1 or more times unless flag_unsafe_loop_optimizations.
8693         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
8695 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8697         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
8698         (fold_builtin_1): Use them.
8699         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
8700         BUILT_IN_SIGNIFICAND.
8702 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
8704         * config/i386/i386.c (bdesc_1arg): Initialize
8705         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
8706         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
8707         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
8708         and IX86_BUILTIN_MOVSLDUP.
8710 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
8712         PR rtl-optimization/30841
8713         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
8715 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8717         * builtins.c (fold_builtin_frexp): New.
8718         (fold_builtin_2): Use it.
8720 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
8722         * doc/invoke.texi (Spec Files): Document getenv spec function.
8724         * gcc.c (getenv_spec_function): New function.
8725         (static_spec_functions): Add it.
8726         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
8727         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
8728         header files.
8730 2007-02-22  Michael Matz  <matz@suse.de
8732         PR c++/29433
8733         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
8734         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
8736 2007-02-22  Ian Lance Taylor  <iant@google.com>
8738         PR debug/30898
8739         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
8740         (mem_loc_descriptor): Call it.
8742 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
8743             Ira Rosen  <irar@il.ibm.com>
8745         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
8747 2007-02-22  Ira Rosen  <irar@il.ibm.com>
8749         PR tree-optimization/30843
8750         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
8751         stores only after all the group is vectorized.
8753 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
8755         PR tree-optimization/30858
8756         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
8757         in the reduction cycle have a single use in the loop.
8758         * tree-vectorizer.h (relevant): Add documentation.
8760 2007-02-20  Mike Stump  <mrs@apple.com>
8762         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
8763         * configure: Regenerate.
8765 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
8767         Change the defaults of some parameters and options.
8768         * config/spu/spu-protos.h (spu_optimization_options): Declare.
8769         * config/spu/spu.c (spu_optimization_options): Add.
8770         (spu_override_options): Change params in spu_optimization_options.
8771         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
8773         Register 127 is only 16 byte aligned when used as a frame pointer.
8774         * config/spu/spu-protos.h (spu_init_expanders): Declare.
8775         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
8776         HARD_FRAME_POINTER_REGNUM.
8777         (spu_legitimate_address):  Use regno_aligned_for_reload.
8778         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
8779         aligned when frame_pointer_needed is true.
8780         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
8781         to 8 bits.
8782         * config/spu/spu.h (INIT_EXPANDERS): Define.
8784         Make sure shift and rotate instructions have valid immediate operands.
8785         * config/spu/predicates.md (spu_shift_operand): Remove.
8786         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
8787         * config/spu/constraints.md (W, O): Extend range.
8788         * config/spu/spu.md (umask, nmask): Define.
8789         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
8790         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
8791         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
8792         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
8793         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
8794         (lshr<mode>3_reg):  Fix rtl description.
8796         Make sure mulhisi immediate operands are valid.
8797         * config/spu/predicates.md (imm_K_operand): Add.
8798         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
8800         Generate constants using fsmbi and andi.
8801         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
8802         (print_operand, spu_split_immediate, classify_immediate,
8803         fsmbi_const_p): Handle IC_FSMBI2.
8805         Correctly handle a CONST_VECTOR containing symbols.
8806         * config/spu/spu.c (print_operand): Handle HIGH correctly.
8807         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
8808         (immediate_load_p): Allow symbols that use 2 instructions to create.
8809         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
8810         with symbols when flag_pic is set.
8811         (const_vector_immediate_p): New.
8812         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
8813         accept a CONST_VECTOR with symbols.
8814         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
8815         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
8816         correctly.
8817         * config/spu/spu.md (high, low): Delete.
8818         (low_<mode>): Define.
8820         Remove INTRmode and INTR_REGNUM, which didn't work.
8821         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
8822         of INTR_REGNUM.
8823         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
8824         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
8825         peephole2 pattern): Don't use INTR or 131.
8826         (movintrcc): Delete.
8827         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
8828         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
8829         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
8830         (UNSPEC_SET_INTR): Add.
8831         * config/spu/spu-modes.def (INTR): Remove.
8833         More accurate warnings about run-time relocations.
8834         * config/spu/spu.c (reloc_diagnostic): Test in_section.
8836         Correctly warn about immediate arguments to specific intrinsics.
8837         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
8838         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
8839         the instruction predicate.
8841         Fix tree check errors with latest update.
8842         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
8843         CALL_EXPR_ARG.
8844         (spu_expand_builtin): Use CALL_EXPR_FN.
8846         Add missing specific intrinsics.
8847         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
8848         si_bislede.
8849         * config/spu/spu_internals.h: Ditto.
8851         Fix incorrect operand modifiers.
8852         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
8853         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
8855         Optimize one case of zero_extend of a vec_select.
8856         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
8858         Accept any immediate for hbr.
8859         * config/spu/spu.md (hbr):  Change s constraints to i.
8861 2007-02-21  Paul Brook  <paul@codesourcery.com>
8863         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
8864         condexec_count when skipping USE and CLOBBER.
8866 2007-02-21  Nick Clifton  <nickc@redhat.com>
8868         * common.opt (Warray-bounds): Add Warning attribute.
8869         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
8870         Likewise.
8871         (fsized-zeroes): Add Optimization attribute.
8872         (fsplit-wide-types, ftree-scev-cprop): Likewise.
8873         * c.opt (Wc++0x-compat): Add Warning attribute.
8875 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
8877         PR middle-end/30761
8878         * reload1.c (eliminate_regs_in_insn): In the single_set special
8879         case, attempt to re-recognize the insn before falling back to
8880         having reload fix it up.
8882 2007-02-20  Eric Christopher  <echristo@gmail.com>
8884         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
8885         Rewrite accordingly.
8886         (frv_read_iacc_argument): Ditto.
8887         (frv_expand_set_builtin): Take a call instead of arglist, update for
8888         above changes.
8889         (frv_expand_unop_builtin): Ditto.
8890         (frv_expand_binop_builtin): Ditto.
8891         (frv_expand_cut_builtin): Ditto.
8892         (frv_expand_binopimm_builtin): Ditto.
8893         (frv_expand_voidbinop_builtin): Ditto.
8894         (frv_expand_int_void2arg): Ditto.
8895         (frv_expand_prefetches): Ditto.
8896         (frv_expand_voidtriop_builtin): Ditto.
8897         (frv_expand_voidaccop_builtin): Ditto.
8898         (frv_expand_load_builtin): Ditto.
8899         (frv_expand_store_builtin): Ditto.
8900         (frv_expand_mdpackh_builtin): Ditto.
8901         (frv_expand_mclracc_builtin): Ditto.
8902         (frv_expand_mrdacc_builtin): Ditto.
8903         (frv_expand_mwtacc_builtin): Ditto.
8904         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
8905         calls for above.
8907 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
8909         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
8910         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
8911         cmpb instruction.
8912         (HAVE_GAS_DFP): Check for assembler support of decimal floating
8913         point instructions.
8914         * configure: Regenerate.
8915         * config.in: Regenerate.
8916         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
8917         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
8918         masks to power6 and power6x and to POWERPC_MASKS.
8919         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8920         _ARCH_PWR6.
8921         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
8922         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
8923         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
8924         Access PROTOTYPE as variable, not mask.
8926 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
8928         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
8929         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
8930         * combine.c (adjust_for_new_dest): Use it.
8931         * postreload.c (reload_combine): Likewise.
8933 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
8935         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
8936         notes on an insn with multiple sets, even if single_set returns
8937         non-NULL for that insn.
8939 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8941         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
8942         scalbn and scalbln.
8944 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
8946         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
8947         if user didn't pass it.
8948         * config/i386/darwin.h (CC1_SPEC): Likewise.
8949         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
8950         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
8951         -mmacosx-version-min.
8953 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8954             Uros Bizjak  <ubizjak@gmail.com>
8956         * optabs.h (enum optab_index): Add new OTI_scalb.
8957         (scalb_optab): Define corresponding macro.
8958         * optabs.c (init_optabs): Initialize scalb_optab.
8959         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
8960         patterns.
8961         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
8962         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
8963         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
8964         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
8965         flag_unsafe_math_optimizations is set.
8967         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
8968         to implement scalbf, scalb and scalbl built-ins as inline x87
8969         intrinsics.
8971 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8972             DJ Delorie <dj@redhat.com>
8974         PR other/30824
8975         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
8976         (diagnostic_report_diagnostic): ... here, and turn them into real
8977         errors. If warnings are inhibited, no need to do anything.
8979 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
8981         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
8982         better code generation.
8984 2007-02-20  Ben Elliston  <bje@au.ibm.com>
8986         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
8988 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
8990         * config/alpha/alpha.c, config/alpha/alpha.md,
8991         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
8992         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
8993         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
8994         config/arm/lib1funcs.asm: Follow spelling conventions.
8996         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
8997         config/fr30/fr30.md, config/i386/i386.h,
8998         config/iq2000/iq2000.h, config/iq2000/predicates.md,
8999         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
9000         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
9001         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
9002         config/rs6000/altivec.md, config/rs6000/rs6000.c,
9003         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
9004         config/sparc/sparc.c, config/sparc/sparc.h,
9005         config/sparc/sparc.md, config/spu/constraints.md,
9006         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
9007         conventions.
9009 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
9011         PR target/29943
9012         * varasm.c (use_blocks_for_decl_p): Return false for decls with
9013         alias attribute.
9015 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
9017         * doc/invoke.texi (-ftree-lrs): Remove.
9019 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
9021         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
9022         NULL.
9024 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
9026         * config/ia64/ia64.c (ia64_expand_builtin): Use the
9027         new CALL_EXPR_FN macro for retrieving the function
9028         declaration of the input expression.
9030 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9032         * c.opt (Waddress): New.
9033         * common.opt (Walways-true): Delete.
9034         (Wstring-literal-comparison): Delete.
9035         * doc/invoke.texi (Warning Options): Delete -Walways-true and
9036         -Wstring-literal-comparison. Add -Waddress.
9037         (Waddress): New.
9038         (Walways-true): Delete.
9039         (Wstring-literal-comparison): Delete.
9040         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
9041         consistently instead of -Walways-true in example.
9042         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
9043         * c-typeck.c (parser_build_binary_op): Replace
9044         -Wstring-literal-comparison and -Walways-true with -Waddress.
9045         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
9046         with -Waddress.
9048 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
9050         * tree-cfg.c (dump_function_to_file): Be prepared for functions
9051         without DECL_STRUCT_FUNCTION initialized.
9053 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
9055         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
9056         due to calls to functions taking pointers as parameters.
9058 2007-02-19  Richard Henderson  <rth@redhat.com>
9060         PR debug/29558
9061         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
9062         in memory.
9064 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
9066         * config/s390/s390.c (s390_call_saved_register_used,
9067         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
9068         accessed to the new scheme.
9070 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
9072         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
9073         (cris_print_index, cris_print_operand, cris_print_operand_address)
9074         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
9075         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
9076         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
9077         GET_CODE () == xxx.
9078         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
9079         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
9080         GO_IF_LEGITIMATE_ADDRESS): Ditto.
9081         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
9082         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
9083         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
9084         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
9085         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
9086         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
9087         (uminsi3, call, call_value): Ditto.
9088         (define_split: indir_to_reg_split, unnamed): Ditto.
9090 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
9092         PR tree-optimization/30975
9093         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
9094         wrong assert.
9096 2007-02-18  Eric Christopher  <echristo@gmail.com>
9098         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
9099         Remove use of arglist.
9100         (mips_expand_builtin): Remove use of arglist, pass in expr.
9101         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
9102         (mips_expand_builtin_movtf): Ditto.
9103         (mips_expand_builtin_compare): Ditto.
9105 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
9107         * tree-sra.c (sra_build_assignment): Replace assertion
9108         checking with a comment explaining why it can't be done.
9110 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
9112         PR middle-end/30833
9113         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
9114         during CALL_EXPR representation conversion.
9115         * tree-ssa-propagate.c (set_rhs): Likewise.
9117 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
9119         * tree-sra.c (sra_build_assignment): Disable assertion checking
9120         for now.
9122 2007-02-18  Roger Sayle  <roger@eyesopen.com>
9124         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
9125         instead of calling build2 with a GIMPLE_MODIFY_STMT.
9126         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
9127         Likewise.
9128         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
9129         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
9130         gimplify_init_ctor_eval_range, gimple_push_cleanup,
9131         gimplify_omp_for, gimplify_omp_atomic_pipeline,
9132         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
9133         force_gimple_operand): Likewise.
9134         * ipa-cp.c (constant_val_insert): Likewise.
9135         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
9136         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
9137         perfect_nestify): Likewise.
9138         * langhooks.c (lhd_omp_assignment): Likewise.
9139         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
9140         lower_copyprivate_clauses, lower_send_clauses,
9141         lower_send_shared_vars, expand_parallel_call,
9142         expand_omp_for_generic, expand_omp_for_static_nochunk,
9143         expand_omp_for_static_chunk, expand_omp_sections,
9144         lower_omp_single_copy, lower_omp_for_lastprivate,
9145         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
9146         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
9147         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
9148         Likewise.
9150 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
9152         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
9153         config/sh/sh.md: Follow spelling conventions.
9155         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
9156         config/frv/predicates.md: Follow spelling conventions.
9158         * config/m68k/linux-unwind.h: Fix a comment typo.
9159         * target.h: Follow spelling conventions.
9161 2007-02-18  Roger Sayle  <roger@eyesopen.com>
9163         PR rtl-optimization/28173
9164         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
9165         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
9166         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
9167         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
9168         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
9170 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9172         * builtins.c (fold_builtin_load_exponent): New.
9173         (fold_builtin_2): Use it.
9175 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
9177         PR rtl-optimization/30773
9178         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
9179         if we fail to attach a REG_EQUIV note.
9181 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
9182             Roger Sayle  <roger@eyesopen.com>
9184         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
9186 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
9188         * calls.c (initialize_argument_information): Pass original EXP
9189         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
9190         code to split complex arguments here, as part of initializing the
9191         ARGS array.
9192         (expand_call): Remove code that builds a list of arguments and
9193         inserts implicit arguments into it.  Instead, just count how many
9194         implicit arguments there will be so we can determine the size of
9195         the ARGS array, and let initialize_argument_information do the work.
9196         (split_complex_values): Delete unused function.
9198 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
9200         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
9202 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
9204         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
9205         for arg pointer based indexed addressing.
9207 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
9209         * config/ia64/ia64.h, config/ia64/ia64.md,
9210         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
9211         spelling conventions.
9213 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
9215         * config/m68k/m68k.c (split_di): New.
9216         * config/m68k/m68k-protos.h: Declare split_di.
9217         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
9218           Improve predicate handling and split constant shifts.
9220 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
9222         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
9223         parameter for register bitfield operations, general predicates
9224         cleanup
9226 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
9228         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
9229         * config/m68k/linux-unwind.h: New file.
9231 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
9233         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
9234         config/i386/athlon.md, config/ia64/ia64.md,
9235         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
9236         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
9237         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
9238         tree-ssa-loop-niter.c, tree-vect-analyze.c,
9239         tree-vect-transform.c: Fix comment typos.
9241 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
9243         * sched-deps.c (find_insn_list): Remove.
9244         * sched-int.h: Remove the prototype for find_insn_list.
9246 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
9248         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
9249         to linker.
9250         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
9251         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
9252         darwin_rs6000_override_options.
9253         (C_COMMON_OVERRIDE_OPTIONS): Expect
9254         darwin_macosx_version_min to be non-NULL always.
9255         (TARGET_C99_FUNCTIONS): Likewise.
9256         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
9257         (DARWIN_MINVERSION_SPEC): New.
9258         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
9259         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
9260         to cc1*.
9261         (DARWIN_MINVERSION_SPEC): New.
9262         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
9263         value.
9264         * config/darwin-c.c (darwin_cpp_builtins): Expect
9265         darwin_macosx_version_min to be non-NULL always.
9267         * config/rs6000/rs6000.c: Clean up trailing whitespace.
9269 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
9271         * config/i386/i386.h (x86_use_xchgb): New.
9272         (TARGET_USE_XCHGB): New macro.
9273         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
9274         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
9275         Split after reload into bswaphi for shifts of 8.
9276         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
9277         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
9278         or when optimizing for size.
9280 2007-02-16  Richard Guenther  <rguenther@suse.de>
9281             Christian Bruel  <christian.bruel@st.com>
9283         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
9284         DECLs but prefer SSA_NAMEs over DECLs.
9286 2007-02-16  Richard Guenther  <rguenther@suse.de>
9288         * tree-flow-inline.h (single_imm_use_p): Remove.
9289         (zero_imm_uses_p): Likewise.
9290         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
9291         instead of single_imm_use_p.
9292         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
9293         zero_imm_uses_p.
9295 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9297         PR other/27843
9298         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
9299         nested double- and backquotes.
9301 2007-02-15  Roger Sayle  <roger@eyesopen.com>
9303         PR middle-end/30391
9304         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
9305         should be unreachable.
9306         (build2_stat): Allow construction of MODIFY_EXPR at any time.
9307         For the time being redirect GIMPLE_MODIFY_STMT to the new
9308         (renamed) build_gimple_modify_stmt_stat.
9309         (build2_gimple_stat): Rename to...
9310         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
9311         Always build a GIMPLE_MODIFY_STMT node.
9312         * tree.h (build2_gimple, build2_gimple_stat): Delete.
9313         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
9314         declarations.
9316         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
9317         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
9318         * tree-complex.c (set_component_ssa_name, expand_complex_move,
9319         expand_complex_div_wide): Likewise.
9320         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
9321         * tree-ssa-loop-im.c (schedule_sm): Likewise.
9322         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
9323         * tree-ssa-loop-manip.c (create_iv): Likewise.
9324         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
9325         abs_replacement): Likewise.
9326         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
9327         realify_fake_stores): Likewise.
9329         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
9330         node rather than a GIMPLE_MODIFY_STMT node.
9331         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
9332         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
9333         Likewise.
9334         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
9335         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
9336         GIMPLE_MODIFY_STMT.
9338 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9340         PR middle-end/30433
9341         * fold-const.c (fold_comparison): Add back the
9342         folding of constant complex comparisions.
9344 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9346         PR middle-end/30729
9347         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
9348         effects unknown to this function, return early.
9350 2007-02-15  Ian Lance Taylor  <iant@google.com>
9352         * lower-subreg.c (move_eh_region_note): New static function.
9353         (resolve_simple_move): Call it.
9354         (decompose_multiword_subregs): Track blocks for which we resolve a
9355         simple move which is also a control flow insn.  Pass them to
9356         find_many_sub_basic_blocks.
9357         (pass_lower_subreg): Add TODO_verify_flow.
9358         (pass_lower_subreg2): Likewise.
9360 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
9361             Brooks Moses  <brooks.moses@codesourcery.com>
9362             Lee Millward  <lee.millward@codesourcery.com>
9364         * tree.h (enum tree_code_class): Add tcc_vl_exp.
9365         (VL_EXP_CLASS_P): New.
9366         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
9367         TREE_CODE_LENGTH.
9368         (TREE_OPERAND_CHECK_CODE): Likewise.
9369         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
9370         (TREE_RTL_OPERAND_CHECK): Likewise.
9371         (tree_operand_check_failed): Make second parameter the whole tree
9372         instead of its code.  Fixed callers.
9373         (VL_EXP_CHECK): New.
9374         (TREE_OPERAND_LENGTH): New.
9375         (VL_EXP_OPERAND_LENGTH): New.
9376         (CALL_EXPR_FN): New.
9377         (CALL_EXPR_STATIC_CHAIN): New.
9378         (CALL_EXPR_ARGS): New.
9379         (CALL_EXPR_ARG): New.
9380         (call_expr_nargs): New.
9381         (CALL_EXPR_ARGP): New.
9382         (build_nt_call_list): Declare.
9383         (build_vl_exp_stat): Declare.
9384         (build_vl_exp): New.
9385         (build_call_list): Declare.
9386         (build_call_nary): Declare.
9387         (build_call_valist): Declare.
9388         (build_call_array): Declare.
9389         (call_expr_arg): Declare.
9390         (call_expr_argp): Declare.
9391         (call_expr_arglist): Declare.
9392         (fold_build_call_list): Declare.
9393         (fold_build_call_list_initializer): Declare.
9394         (fold_call_expr): Declare to replace fold_builtin.
9395         (fold_builtin_fputs): Update to agree with modified definition.
9396         (fold_builtin_strcpy): Likewise.
9397         (fold_builtin_strncpy): Likewise.
9398         (fold_builtin_memory_chk): Likewise.
9399         (fold_builtin_stxcpy_chk): Likewise.
9400         (fold_builtin_strncpy_chk): Likewise.
9401         (fold_builtin_next_arg): Likewise.
9402         (fold_build_call_expr): Declare.
9403         (fold_builtin_call_list): Declare.
9404         (fold_builtin_call_valist): Declare.
9405         (build_call_expr): Declare.
9406         (validate_arglist): Update to agree with modified definition.
9407         (tree_operand_length): New.
9408         (call_expr_arg_iterator): New.
9409         (init_call_expr_arg_iterator): New.
9410         (next_call_expr_arg): New.
9411         (first_call_expr_arg): New.
9412         (more_call_expr_args_p): New.
9413         (FOR_EACH_CALL_EXPR_ARG): New.
9415         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
9416         and tcc_gimple_stmt.
9417         (tree_code_size): Update documentation.  Use sizeof (tree) rather
9418         than sizeof (char *).
9419         (tree_size): Likewise.  Add case for tcc_vl_exp.
9420         (tree_node_structure): Add case for tcc_vl_exp.
9421         (contains_placeholder_p): Likewise.
9422         (substitute_in_expr): Likewise.
9423         (substitute_placeholder_in_expr): Likewise.
9424         (stabilize_reference_1): Likewise.
9425         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
9426         to diagnose breakage of this interface for constructing CALL_EXPRs.
9427         (build_nt): Add similar assertion here.
9428         (build_nt_call_list): New.
9429         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
9430         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
9431         TREE_CODE_LENGTH.
9432         (get_callee_fndecl): Use new CALL_EXPR accessors.
9433         (tree_operand_check_failed): Change parameters to pass entire node
9434         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
9435         (process_call_operands): New.
9436         (build_vl_exp_stat): New.
9437         (build_call_list): New.
9438         (build_call_nary): New.
9439         (build_call_valist): New.
9440         (build_call_array): New.
9441         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9442         (call_expr_arglist): New.
9444         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
9445         tcc_vl_exp instead of a fixed-size tcc_expression.
9447         * doc/c-tree.texi (CALL_EXPR): Document new representation and
9448         accessors for CALL_EXPRs.
9449         (AGGR_INIT_EXPR): Likewise.
9451 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
9452             Brooks Moses  <brooks.moses@codesourcery.com>
9453             Lee Millward  <lee.millward@codesourcery.com>
9455         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
9456         (expand_builtin_nonlocal_goto): Change parameter to be entire
9457         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
9458         (expand_builtin_prefetch): Likewise.
9459         (expand_builtin_classify_type): Likewise.
9460         (mathfn_built_in): Return NULL_TREE instead of 0.
9461         (expand_errno_check): Use new CALL_EXPR accessors.
9462         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
9463         Return NULL_RTX instead of 0.
9464         (expand_builtin_mathfn_2): Likewise.
9465         (expand_builtin_mathfn_3): Likewise.
9466         (expand_builtin_interclass_mathfn): Likewise.
9467         (expand_builtin_sincos): Likewise.
9468         (expand_builtin_cexpi): Likewise.
9469         (expand_builtin_int_roundingfn): Likewise.
9470         (expand_builtin_int_roundingfn_2): Likewise.
9471         (expand_builtin_pow): Likewise.
9472         (expand_builtin_powi): Likewise.
9473         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
9474         of arglist, fixing callers appropriately.  Use new CALL_EXPR
9475         accessors and constructors.  Return NULL_RTX instead of 0.
9476         (expand_builtin_strstr): Likewise.
9477         (expand_builtin_strchr): Likewise.
9478         (expand_builtin_strrchr): Likewise.
9479         (expand_builtin_strpbrk): Likewise.
9480         (expand_builtin_memcpy): Likewise.
9481         (expand_builtin_mempcpy): Likewise.
9482         (expand_builtin_mempcpy_args): New.
9483         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
9484         (expand_builtin_memmove_args): New.
9485         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
9486         (expand_movstr): Likewise.
9487         (expand_builtin_strcpy): Likewise.
9488         (expand_builtin_strcpy_args): New.
9489         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
9490         (expand_builtin_strncpy): Likewise.
9491         (expand_builtin_memset): Likewise.
9492         (expand_builtin_memset_args): New.
9493         (expand_builtin_bzero): Similarly to expand_builtin_memset.
9494         (expand_builtin_memcmp): Likewise.
9495         (expand_builtin_strcmp): Likewise.
9496         (expand_builtin_strncmp): Likewise.
9497         (expand_builtin_strcat): Likewise.
9498         (expand_builtin_strncat): Likewise.
9499         (expand_builtin_strspn): Likewise.
9500         (expand_builtin_strcspn): Likewise.
9501         (expand_builtin_args_info): Likewise.
9502         (expand_builtin_va_start): Likewise.
9503         (gimplify_va_arg_expr): Likewise.
9504         (expand_builtin_va_end): Likewise.
9505         (expand_builtin_va_copy): Likewise.
9506         (expand_builtin_frame_address): Likewise.
9507         (expand_builtin_alloca): Likewise.
9508         (expand_builtin_bswap): Likewise.
9509         (expand_builtin_unop): Likewise.
9510         (expand_builtin_fputs): Likewise.
9511         (expand_builtin_expect): Likewise.
9512         (expand_builtin_fabs): Likewise.
9513         (expand_builtin_copysign): Likewise.
9514         (expand_builtin_printf): Likewise.
9515         (expand_builtin_fprintf): Likewise.
9516         (expand_builtin_sprintf): Likewise.
9517         (expand_builtin_init_trampoline): Likewise.
9518         (expand_builtin_signbit): Likewise.
9519         (expand_builtin_fork_or_exec): Likewise.
9520         (expand_builtin_sync_operation): Likewise.
9521         (expand_builtin_compare_and_swap): Likewise.
9522         (expand_builtin_lock_test_and_set): Likewise.
9523         (expand_builtin_lock_release): Likewise.
9524         (expand_builtin): Likewise.
9525         (builtin_mathfn_code): Likewise.
9527         (fold_builtin_constant_p): Pass call arguments individually instead
9528         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
9529         accessors and constructors.  Return NULL_TREE instead of 0.
9530         (fold_builtin_expect): Likewise.
9531         (fold_builtin_classify_type): Likewise.
9532         (fold_builtin_strlen): Likewise.
9533         (fold_builtin_nan): Likewise.
9534         (integer_valued_real_p): Likewise.
9535         (fold_trunc_transparent_mathfn): Likewise.
9536         (fold_fixed_mathfn): Likewise.
9537         (fold_builtin_cabs): Likewise.
9538         (fold_builtin_sqrt): Likewise.
9539         (fold_builtin_cbrt): Likewise.
9540         (fold_builtin_cos): Likewise.
9541         (fold_builtin_cosh): Likewise.
9542         (fold_builtin_tan): Likewise.
9543         (fold_builtin_sincos): Likewise.
9544         (fold_builtin_cexp): Likewise.
9545         (fold_builtin_trunc): Likewise.
9546         (fold_builtin_floor): Likewise.
9547         (fold_builtin_ceil): Likewise.
9548         (fold_builtin_round): Likewise.
9549         (fold_builtin_int_roundingfn): Likewise.
9550         (fold_builtin_bitop): Likewise.
9551         (fold_builtin_bswap): Likewise.
9552         (fold_builtin_logarithm): Likewise.
9553         (fold_builtin_hypot): Likewise.
9554         (fold_builtin_pow): Likewise.
9555         (fold_builtin_powi): Likewise.
9556         (fold_builtin_exponent): Likewise.
9557         (fold_builtin_memset): Likewise.
9558         (fold_builtin_bzero): Likewise.
9559         (fold_builtin_memory_op): Likewise.
9560         (fold_builtin_bcopy): Deleted; call site changed to invoke
9561         fold_builtin_memory_op directly.
9562         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
9563         (fold_builtin_strncpy): Likewise.
9564         (fold_builtin_memcmp): Likewise.
9565         (fold_builtin_strcmp): Likewise.
9566         (fold_builtin_strncmp): Likewise.
9567         (fold_builtin_signbit): Likewise.
9568         (fold_builtin_copysign): Likewise.
9569         (fold_builtin_isascii): Likewise.
9570         (fold_builtin_toascii): Likewise.
9571         (fold_builtin_isdigit): Likewise.
9572         (fold_builtin_fabs): Likewise.
9573         (fold_builtin_abs): Likewise.
9574         (fold_builtin_fmin_fmax): Likewise.
9575         (fold_builtin_carg): Likewise.
9576         (fold_builtin_classify): Likewise.
9577         (fold_builtin_unordered_cmp): Likewise.
9579         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
9580         New functions split out from fold_builtin_1.
9581         (fold_builtin_n): New.
9582         (fold_builtin_varargs): New.
9583         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
9584         instead.
9585         (fold_call_expr): New.
9586         (build_function_call_expr): Rewrite to use new helper function.
9587         (fold_builtin_call_list): New.
9588         (build_call_expr): New.
9589         (fold_builtin_call_valist): New.
9590         (rewrite_call_expr): New.
9591         (validate_arg): New.
9592         (validate_arglist): Change parameter to be entire CALL_EXPR instead
9593         of an arglist.  Change return type to bool.  Use new CALL_EXPR
9594         accessors.
9596         (fold_builtin_strstr):  Pass call arguments individually instead
9597         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
9598         accessors and constructors.  Return NULL_TREE instead of 0.
9599         (fold_builtin_strchr): Likewise.
9600         (fold_builtin_strrchr): Likewise.
9601         (fold_builtin_strpbrk): Likewise.
9602         (fold_builtin_strcat): Likewise.
9603         (fold_builtin_strncat): Likewise.
9604         (fold_builtin_strspn): Likewise.
9605         (fold_builtin_strcspn): Likewise.
9606         (fold_builtin_fputs): Likewise.
9607         (fold_builtin_next_arg): Likewise.
9608         (fold_builtin_sprintf): Likewise.
9610         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
9611         NULL_RTX instead of 0.
9612         (expand_builtin_memory_chk): Likewise.
9613         (maybe_emit_chk_warning): Likewise.
9614         (maybe_emit_sprintf_chk_warning): Likewise.
9616         (fold_builtin_object_size): Pass call arguments individually instead
9617         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
9618         accessors and constructors.  Return NULL_TREE instead of 0.
9619         (fold_builtin_memory_chk): Likewise.
9620         (fold_builtin_stxcpy_chk): Likewise.
9621         (fold_builtin_strncpy_chk): Likewise.
9622         (fold_builtin_strcat_chk): Likewise.
9623         (fold_builtin_strcat_chk): Likewise.
9624         (fold_builtin_strncat_chk): Likewise.
9625         (fold_builtin_sprintf_chk): Likewise.
9626         (fold_builtin_snprintf_chk): Likewise.
9627         (fold_builtin_printf): Likewise.
9628         (fold_builtin_vprintf): Likewise.
9630         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
9631         constructors.
9632         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
9633         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9634         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
9635         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
9636         (fold_unary): Likewise.
9637         (fold_binary): Likewise.
9638         (fold_ternary): Remove CALL_EXPR case, since they are no longer
9639         ternary expressions.
9640         (fold): Add logic for tcc_vl_exp.
9641         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
9642         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9643         (fold_build3_stat): Add assertion to flag broken interface for
9644         constructing CALL_EXPRs.
9645         (fold_build_call_list): New.
9646         (fold_build_call_list_initializer): New.
9647         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
9648         constructors.
9649         (fold_strip_sign_ops): Likewise.
9651 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
9652             Brooks Moses  <brooks.moses@codesourcery.com>
9653             Lee Millward  <lee.millward@codesourcery.com>
9655         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
9656         accessors and dump arguments explicitly.
9658         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
9659         TREE_CODE_LENGTH.
9660         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
9661         explicitly.
9662         (print_call_name): Use new CALL_EXPR accessors.
9664         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
9665         CALL_EXPR arguments explicitly instead of as a list.  Use
9666         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9668         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
9669         (vrp_visit_stmt): Likewise.
9671         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
9672         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
9673         TREE_CODE_LENGTH.
9674         (force_move_till_expr): Likewise.
9676         * targhooks.c (default_external_stack_protect_fail): Use
9677         build_call_expr instead of build_function_call_expr.
9678         (default_hidden_stack_protect_fail): Likewise.
9680         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
9681         build the call.
9683         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
9684         and walk arguments explicitly.
9686         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
9687         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9688         (expand_simple_operations): Likewise.
9689         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
9691         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
9692         of TREE_CODE_LENGTH.
9693         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
9695         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
9696         instead of TREE_CODE_LENGTH.
9698         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
9699         (tree_ic_transform): Likewise.
9700         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
9701         parameter instead of arglist.  Fix callers.
9702         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
9703         (tree_stringops_transform): Likewise.
9704         (tree_indirect_call_to_profile): Likewise.
9705         (tree_stringops_values_to_profile): Likewise.
9707         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
9708         (eliminate_tail_call): Likewise.
9710         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
9712         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
9713         Use TREE_OPERAND_LENGTH and generalize to handle any number of
9714         operands.
9715         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
9717         * omp-low.c (build_omp_barrier): Use build_call_expr.
9718         (lower_rec_input_clauses): Likewise.
9719         (lower_reduction_clauses): Likewise.
9720         (expand_parallel_call): Likewise.
9721         (maybe_catch_exception): Likewise.
9722         (expand_omp_for_generic): Likewise.
9723         (expand_omp_for_static_nochunk): Likewise.
9724         (expand_omp_sections): Likewise.
9725         (lower_omp_single_simple): Likewise.
9726         (lower_omp_single_copy): Likewise.
9727         (lower_omp_master): Likewise.
9728         (lower_omp_ordered): Likewise.
9729         (lower_omp_critical): Likewise.
9731         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
9732         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
9734         * tree-gimple.c (is_gimple_call_addr): Fix doc.
9735         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
9736         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
9738         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
9739         and generalize to handle any number of operands.
9740         (chrec_contains_undetermined): Likewise.
9741         (tree_contains_chrecs): Likewise.
9742         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
9744         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
9746         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
9747         fold_call_expr instead of fold_builtin.
9748         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
9749         match declarations there.
9750         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
9751         updates.
9753         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
9754         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9756         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
9757         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
9759         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
9760         accessors.
9762         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
9763         (execute_cse_sincos): Use new CALL_EXPR accessors.
9765         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
9767         * gimple-low.c (lower_function_body): Use build_call_expr.
9768         (lower_builtin_setjmp): Likewise.
9770         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
9771         (set_storage_via_libcall): Likewise.
9772         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
9773         instead of TREE_CODE_LENGTH.
9774         (expand_expr_real_1): Use new CALL_EXPR accessors.
9776         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
9777         generalize to handle any number of operands.
9778         (TB_parent_eq): Likewise.
9780         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
9781         (strip_builtin_expect): Likewise.
9783         * function.c (gimplify_parameters): Use build_call_expr.
9785         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
9786         instead of TREE_CODE_LENGTH.
9788         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
9789         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
9791         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
9792         iterators.
9794         * gimplify.c (build_stack_save_restore): Use build_call_expr.
9795         (gimplify_decl_expr): Likewise.
9796         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
9797         Use new CALL_EXPR iterators.
9798         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
9799         (gimplify_modify_expr_to_memset): Likewise.
9800         (gimplify_variable_sized_compare): Likewise.
9801         (gimplify_omp_atomic_fetch_op): Likewise.
9802         (gimplify_omp_atomic_pipeline): Likewise.
9803         (gimplify_omp_atomic_mutex): Likewise.
9804         (gimplify_function_tree): Likewise.
9806         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
9807         (call_expr_flags): Likewise.
9808         (expand_call): Likewise.
9810         * except.c (expand_builtin_eh_return_data_regno): Pass entire
9811         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
9812         accessors.
9814         * coverage.c (create_coverage): Use build_call_expr.
9816         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
9817         (temp_call_expr_obstack): New.
9818         (pool_copy_list): Delete.
9819         (temp_copy_call_expr): New.
9820         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
9821         CALL_EXPR accessors.  Get rid of special goo for copying argument
9822         lists and use temp_copy_call_expr instead.
9823         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
9824         CALL_EXPR accessors.
9825         (create_expression_by_pieces): Likewise.  Use build_call_array
9826         to construct the result instead of fold_build3.
9827         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
9828         dealing with argument lists.
9829         (init_pre): Remove references to expression_node_pool and
9830         list_node_pool.  Init temp_call_expr_obstack instead.
9831         (fini_pre): Remove references to expression_node_pool and
9832         list_node_pool.
9834         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
9835         and walk arguments explicitly instead of as a list.
9837         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
9838         (mx_register_decls): Likewise.
9839         (mudflap_register_call): Likewise.
9840         (mudflap_finish_file): Likewise.
9842         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
9843         (ipa_callsite_compute_param): Likewise.
9845         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
9846         accessors and constructor.
9848         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
9849         accessors and constructor.
9850         (convert_tramp_reference): Likewise.
9851         (convert_call_expr): Likewise.
9852         (finalize_nesting_tree_1): Likewise.
9854         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
9855         accessors.
9857         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
9859         * tree-inline.c (initialize_inlined_parameters): Pass entire
9860         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
9861         accessors.
9862         (estimate_num_insns_1): Use new CALL_EXPR accessors.
9863         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
9865         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
9866         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9867         (vectorizable_reduction): Likewise.
9868         (vectorizable_call): Use new CALL_EXPR iterators.
9869         (vectorizable_conversion): Use build_call_expr.
9870         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
9871         (vect_gen_widened_results_half): Use build_call_expr.
9872         (vect_setup_realignment): Likewise.
9873         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
9875         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
9876         (pass_through_call): Likewise.
9877         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
9878         fold_builtin.
9880         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
9881         (tree_gen_pow2_profiler): Likewise.
9882         (tree_gen_one_value_profiler): Likewise.
9883         (tree_gen_ic_func_profiler): Likewise.
9884         (tree_gen_average_profiler): Likewise.
9885         (tree_gen_ior_profiler): Likewise.
9887         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
9888         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
9889         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9891         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
9892         of TREE_CODE_LENGTH.
9894         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
9895         of TREE_CODE_LENGTH.
9897         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
9898         constructor.
9899         (convert_to_integer): Likewise.
9901         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
9902         accessors.
9904 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
9905             Brooks Moses  <brooks.moses@codesourcery.com>
9906             Lee Millward  <lee.millward@codesourcery.com>
9908         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
9909         accessors.
9910         * config/frv/frv.c (frv_expand_builtin): Likewise.
9911         * config/s390/s390.c (s390_expand_builtin): Likewise.
9913         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
9914         (sparc_expand_builtin): Use new CALL_EXPR accessors.
9916         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
9917         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
9918         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
9919         (ix86_expand_store_builtin): Likewise.
9920         (ix86_expand_unop_builtin): Likewise.
9921         (ix86_expand_unop1_builtin): Likewise.
9922         (ix86_expand_sse_compare): Likewise.
9923         (ix86_expand_sse_comi): Likewise.
9924         (ix86_expand_vec_init_builtin): Likewise.
9925         (ix86_expand_vec_ext_builtin): Likewise.
9926         (ix86_expand_vec_set_builtin): Likewise.
9927         (ix86_expand_builtin): Use new CALL_EXPR accessors.
9929         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
9930         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
9932         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
9933         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
9934         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
9936         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
9937         build_call_expr.
9938         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
9939         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
9940         arglist.  Use new CALL_EXPR accessors.  Fix callers.
9941         (altivec_expand_abs_builtin): Likewise.
9942         (rs6000_expand_binop_builtin): Likewise.
9943         (altivec_expand_predicate_builtin): Likewise.
9944         (altivec_expand_lv_builtin): Likewise.
9945         (spe_expand_stv_builtin): Likewise.
9946         (altivec_expand_stv_builtin): Likewise.
9947         (rs6000_expand_ternop_builtin): Likewise.
9948         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
9949         (altivec_expand_st_builtin): Likewise.
9950         (altivec_expand_dst_builtin): Likewise.
9951         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
9952         arglist.  Use new CALL_EXPR accessors.  Fix callers.
9953         (altivec_expand_vec_set_builtin): Likewise.
9954         (altivec_expand_vec_ext_builtin): Likewise.
9955         (altivec_expand_builtin): Use new CALL_EXPR accessors.
9956         (spe_expand_builtin): Likewise.
9957         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
9958         arglist.  Use new CALL_EXPR accessors.  Fix callers.
9959         (spe_expand_evsel_builtin): Likewise.
9960         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
9961         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
9963         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
9964         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
9965         (arm_expand_unop_builtin): Likewise.
9966         (arm_expand_builtin): Use new CALL_EXPR accessors.
9968         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
9969         accessors.
9971         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
9972         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
9973         (bfin_expand_unop_builtin): Likewise.
9974         (bfin_expand_builtin): Use new CALL_EXPR accessors.
9976 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
9977             Brooks Moses  <brooks.moses@codesourcery.com>
9978             Lee Millward  <lee.millward@codesourcery.com>
9980         * c-semantics.c (build_stmt): Add internal diagnostic check.
9982         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
9983         accessors.  Print arguments explicitly instead of as a list.
9985         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
9987         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
9988         (c_finish_omp_flish): Likewise.
9990         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
9991         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
9992         instead of TREE_CODE_LENGTH.
9993         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
9994         (c_warn_unused_result): Likewise.
9996 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9998         PR c/26494
9999         * doc/invoke.texi (Warning Options): Remove
10000         -Werror-implicit-function-declaration.
10001         (Wimplicit-function-declaration): Update description.
10002         * opts.c (common_handle_option): Move handling of -Werror=* to...
10003         (enable_warning_as_error): ...here.
10004         * opts.h (enable_warning_as_error): Declare.
10005         * c-decl.c (implicit_decl_warning): Unless
10006         -Wno-implicit-function-declaration is given, emit a pedwarn if
10007         -std=c99 or emit a warning if -Wimplicit-function-declaration.
10008         * c.opt (Wimplicit-function-declaration): Replace
10009         mesg_implicit_function_declaration with
10010         warn_implicit_function_declaration.
10011         * c-opts.c (c_common_handle_option):
10012         -Werror-implicit-function-declaration is exactly equal as
10013         -Werror=implicit-function-declaration.
10014         (set_Wimplicit): Replace mesg_implicit_function_declaration with
10015         warn_implicit_function_declaration.
10016         (c_common_post_options): -Wimplict-function-declaration is enabled
10017         by default by -std=c99, otherwise is disabled by default.
10018         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
10020 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
10022         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
10023         DECL on the rhs to a DECL on the lhs for debug info purposes if the
10024         former is ignored but not the latter.
10026 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
10028         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
10029         is made and the reference doesn't use the alias set of its type,
10030         do not create the temporary using that type.
10032 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
10034         * jump.c: Remove prototypes for delete_computation and
10035         delete_prior_computation.
10037 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
10039         * jump.c (get_label_after): Delete.
10040         (get_label_before, delete_computation, delete_jump,
10041         delete_prior_computation, follow_jumps): Move...
10042         * reorg.c (delete_computation, delete_prior_computation): ... here...
10043         (get_label_before, delete_jump): ... making these static ...
10044         (follow_jumps): ... and simplifying this since it only runs after
10045         reload.
10046         * rtl.h (get_label_after, get_label_before, delete_jump,
10047         follow_jumps): Delete prototypes.
10049 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
10051         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
10053 2007-02-15  Nick Clifton  <nickc@redhat.com>
10055         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
10056         order to prevent it from being munged by the target.
10058 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
10060         * config/i386/i386.md: Remove misleading comment.
10062 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
10064         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
10065         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
10066         invalid patterns.
10068 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
10070         * tree-sra.c (instantiate_missing_elements): Canonicalize
10071         bit-field types.
10072         (sra_build_assignment): New.
10073         (generate_copy_inout, generate_element_copy,
10074         generate_element_zero, generate_one_element_init): Use it.
10076 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
10078         * tree-sra.c (instantiate_missing_elements): Canonicalize
10079         bit-field types.
10080         (sra_build_assignment): New.
10081         (generate_copy_inout, generate_element_copy,
10082         generate_element_zero, generate_one_element_init): Use it.
10084 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
10086         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
10087         limbo die nodes.
10089 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
10091         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
10092         types as aggregates not scalars.
10093         * function.c (assign_stack_temp_for_type): Likewise.
10095 2007-02-14  Roger Sayle  <roger@eyesopen.com>
10096             Zdenek Dvorak  <dvorakz@suse.cz>
10098         * tree-dump.c (dump_switch_p_1): Require exact match of the option
10099         name.
10101 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
10103         * passes.c (next_pass_1): Clear the next field of the copied
10104         pass structure.
10106 2007-02-14  Richard Henderson  <rth@redhat.com>
10108         * tree-sra.c (early_sra): New.
10109         (decl_can_be_decomposed_p): Deny va_list if early_sra.
10110         (tree_sra_early, pass_sra_early): New.
10111         * tree-pass.h (pass_sra_early): Declare.
10112         * passes.c (init_optimization_passes): Use it.
10114 2007-02-14  Richard Guenther  <rguenther@suse.de>
10116         * flags.h (issue_strict_overflow_warning): Convert to a macro.
10118 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
10120          PR tree-optimization/30771
10121         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
10122         also phi nodes.
10123         (vect_analyze_operations): Induction phis can now be marked as
10124         used_in_loop.
10125         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
10126         Update documentation accordingly.
10128 2007-02-14  Nick Clifton  <nickc@redhat.com>
10130         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
10131         most 3 arguments are supported.
10132         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
10134 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
10136         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
10137         Ensure dst->current is valid.
10139 2007-02-13  Paul Brook  <paul@codesourcery.com>
10141         * config.gcc: Add arm*-*-uclinux-*eabi.
10142         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
10143         (SUBTARGET_EXTRA_LINK_SPEC): Define.
10144         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
10145         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
10146         (LINK_SPEC): Define.
10147         (LIB_SPEC): Define.
10148         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
10149         register.
10150         * config/arm/uclinux-eabi.h: New file.
10151         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
10152         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
10153         based targets.
10155 2007-02-13  Ian Lance Taylor  <iant@google.com>
10157         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
10158         * flags.h (warn_strict_overflow): Declare.
10159         (enum warn_strict_overflow_code): Define.
10160         (issue_strict_overflow_warning): New static inline function.
10161         * opts.c (warn_strict_overflow): New variable.
10162         (common_handle_option): Handle OPT_Wstrict_overflow and
10163         OPT_Wstrict_overflow_.
10164         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
10165         OPT_Wall.
10166         * fold-const.c: Include intl.h.
10167         (fold_deferring_overflow_warnings): New static variable.
10168         (fold_deferred_overflow_warning): New static variable.
10169         (fold_deferred_overflow_code): New static variable.
10170         (fold_defer_overflow_warnings): New function.
10171         (fold_undefer_overflow_warnings): New function.
10172         (fold_undefer_and_ignore_overflow_warnings): New function.
10173         (fold_deferring_overflow_warnings_p): New function.
10174         (fold_overflow_warning): New static function.
10175         (make_range): Add strict_overflow_p parameter.  Change all
10176         callers.
10177         (extract_muldiv, extract_muldiv_1): Likewise.
10178         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
10179         tree_expr_nonnegative_p.
10180         (fold_negate_expr): Call fold_overflow_warning.
10181         (fold_range_test): Likewise.
10182         (fold_comparison): Likewise.
10183         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
10184         instead of tree_expr_nonnegative_p.
10185         (tree_expr_nonnegative_warnv_p): Rename from
10186         tree_expr_nonnegative_p, add strict_overflow_p parameter.
10187         (tree_expr_nonnegative_p): New function.
10188         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
10189         strict_overflow_p parameter.
10190         (tree_expr_nonzero_p): New function.
10191         * passes.c (verify_interpass_invariants): New static function.
10192         (execute_one_pass): Call it.
10193         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
10194         warnings.
10195         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
10196         (estimate_numbers_of_iterations): Likewise.
10197         (scev_probably_wraps_p): Likewise.
10198         * tree-ssa-ccp.c: Include "toplev.h".
10199         (evaluate_stmt): Defer fold overflow warnings until we know we are
10200         going to optimize.
10201         (struct fold_stmt_r_data): Add stmt field.
10202         (fold_stmt_r): Defer fold overflow warnings until we know we
10203         optimized.
10204         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
10205         (fold_stmt_inplace): Likewise.
10206         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
10207         (cleanup_control_expr_graph): Defer fold overflow warnings until
10208         we know we are going to optimize.
10209         * tree-cfg.c (fold_cond_expr_cond): Likewise.
10210         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
10211         Likewise.
10212         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
10213         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
10214         * tree-ssa-loop-manip.c (create_iv): Likewise.
10215         * c-typeck.c (build_conditional_expr): Likewise.
10216         (build_binary_op): Likewise.
10217         * tree-vrp.c (vrp_expr_computes_nonzero): Call
10218         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
10219         (extract_range_from_unary_expr): Likewise.
10220         * simplify-rtx.c (simplify_const_relational_operation): Warn when
10221         assuming that signed overflow does not occur.
10222         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
10223         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
10224         (fold_defer_overflow_warnings): Declare.
10225         (fold_undefer_overflow_warnings): Declare.
10226         (fold_undefer_and_ignore_overflow_warnings): Declare.
10227         (fold_deferring_overflow_warnings_p): Declare.
10228         (tree_expr_nonzero_warnv_p): Declare.
10229         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
10230         of warning options.
10231         (Warning Options): Document -Wstrict-overflow.
10232         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
10233         (tree-ssa-ccp.o): Likewise.
10234         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
10235         (fold-const.o): Depend on intl.h.
10237 2007-02-13  Ian Lance Taylor  <iant@google.com>
10239         PR middle-end/30751
10240         * lower-subreg.c (resolve_simple_move): Decompose subregs in
10241         addresses.
10243 2007-02-13  Stuart Hastings  <stuart@apple.com>
10245         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
10247 2007-02-13  Richard Henderson  <rth@redhat.com>
10249         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
10250         handled_component_p before looking for the indirect_ref.
10252 2007-02-13  Richard Henderson  <rth@redhat.com>
10254         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
10255         remove flags clobber.
10256         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
10257         (bswaphi_lowpart): New.
10258         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
10259         remove TARGET_BSWAP test.  Delete expander of the same name.
10261         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
10262         (expand_unop): Use them.
10264 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
10266         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
10267         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
10268         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
10269         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
10270         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
10271         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
10272         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
10273         assembler dialect choice from asm templates.
10275 2007-02-12  Richard Henderson  <rth@redhat.com>
10277         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
10278         (fixuns_trunc<SSEMODEF>si2): Use it.
10279         * config/i386/sse.md (vec_setv4sf_0): Export.
10280         * config/i386/i386.c (ix86_build_const_vector): Export.
10281         (ix86_split_convert_uns_si_sse): Rename from
10282         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
10283         * config/i386/i386-protos.h: Update.
10285 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10287         PR c/29521
10288         * c-typeck.c (c_finish_return): Improve warning message.
10290 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10292         * alias.c (find_symbolic_term): Delete unused function.
10294 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
10296         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
10297         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
10298         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
10300 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
10302         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
10303         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
10304         the function, temporarily point the debug interface to the null one.
10306 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
10308         * dwarf2out.c (round_up_to_align): New static function.
10309         (field_byte_offset): Use it to round the offset.
10311 2007-02-12  Richard Henderson  <rth@redhat.com>
10313         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
10314         (inswl_const): Export.
10316 2007-02-12  Richard Henderson  <rth@redhat.com>
10318         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
10319         result mode of the libcall, convert back to outmode.
10321 2007-02-12  Roger Sayle  <roger@eyesopen.com>
10323         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
10324         (bswapdi2): New define_expand to implement 32-bit implementation.
10326 2007-02-12  Nick Clifton  <nickc@redhat.com>
10328         * doc/invoke.texi (Overall Options): Document --help=.
10329         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
10330         (cc1_options): Pass --help= on to cc1.
10331         (display_help): Add description of --help=.
10332         (process_command): Add code to handle --help=.  Allow translated
10333         --help and --target-help switches to be passed on to compiler
10334         sub-process.
10335         (main): Remove unused if statement.
10336         * opts.c (columns): Remove.
10337         (LEFT_COLUMN): Define.
10338         (wrap_help): Add columns argument.
10339         (print_filtered_help): Change parameters to be an include bitmask,
10340         an exclude bitmask, an any bitmask and the column width.  Move the
10341         code to display the params list here.  Add code to display the
10342         status of options rather than their descriptions if the quiet flag
10343         is not active.
10344         (print_specific_help): Change parameters to be an include bitmask,
10345         an exclude bitmask and an any bitmask.  Move code to look up the
10346         column width here.  Decide upon the title for an options listing.
10347         (common_handle_options): Add code to handle --help=.  Adapt code
10348         for --help and --target-help to use the revised form of the
10349         print_specific_help function.
10350         (print_help): Delete.
10351         (print_param_help): Delete.
10352         (print_switch): Delete.
10353         * opts.h (cl_lang_count): Add prototype.
10354         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
10355         CL_MAX_OPTION_CLASS): New defines.
10356         * optc-gen.awk: Add construction of cl_lang_count.
10357         * c.opt: Add Warning attribute to warning options and Optimization
10358         attribute to optimization options.
10359         * common.opt: Likewise.
10360         Add --help=.
10361         Add -fhelp and -ftarget-help as aliases for the transformed --help
10362         and --target-help options.
10363         * opt-functions.awk: Add code to handle Warning and Optimization
10364         attributes.
10366 2007-02-12  Richard Henderson  <rth@redhat.com>
10368         * config/alpha/constraints.md: New file.
10369         * config/alpha/alpha.c: Include tm-constrs.h.
10370         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
10371         alpha_extra_constraint): Remove.
10372         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
10373         * config/alpha/alpha-protos.h: Update.
10374         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
10375         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
10376         (EXTRA_CONSTRAINT): Remove.
10377         * config/alpha/alpha.md: Include constraints.md.
10378         (adddi splitter): Use satisfies_constraint_*.
10379         * config/alpha/predicates.md (add_operand): Likewise.
10380         (sext_add_operand, addition_operation): Likewise.
10382 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
10384         PR tree-optimization/29145
10385         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
10386         in our handling of restrict qualified pointers.
10388 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10390         PR middle-end/7651
10391         * doc/invoke.texi (Wunused-value): Update description.
10392         (Wextra): Delete item.
10393         * opts.c (set_Wextra): Don't use the value of Wextra to set the
10394         value of Wunused-value.
10395         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
10396         (c_finish_stmt_expr): Don't check extra_warnings.
10397         (emit_side_effect_warnings): The caller is responsible to check
10398         warn_unused_value.
10400 2007-02-11  Roger Sayle  <roger@eyesopen.com>
10401             Matt Thomas  <matt@3am-software.com>
10403         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
10405 2007-02-11  Roger Sayle  <roger@eyesopen.com>
10407         * simplify-rtx.c (simplify_relational_operation_1): Optimize
10408         comparisons of POPCOUNT against zero.
10409         (simplify_const_relational_operation): Likewise.
10411 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10413         * doc/invoke.texi (Wextra): Delete outdated paragraph.
10415 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10417         * dwarf2out.c (root_type): Delete unused function.
10419 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10421         * genattrtab.c (contained_in_p): Delete unused function.
10422         (write_expr_attr_cache): Likewise.
10424 2007-02-11  Jan Hubicka  <jh@suse.cz>
10426         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
10427         previous patch.
10429 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
10431         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
10432         to add the REG_EQ* note.
10433         * see.c (see_merge_one_use_extension): Likewise.
10434         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
10435         turn REG_EQUAL notes into REG_EQUIV notes if the target
10436         register may have more than one set.
10437         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
10438         * gcse.c (try_replace_reg): Likewise.
10439         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
10440         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
10441         more than one REG_EQUIV note.
10442         * reload1.c (gen_reload): Use set_unique_reg_note.
10444 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
10446         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
10447         (ix86_builtin_conversion): New function.
10449 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
10451         PR target/29487
10452         * tree.h (DECL_REPLACEABLE_P): New macro.
10453         * except.c (set_nothrow_function_flags): Likewise.
10455 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
10456             Ira Rosen  <irar@il.ibm.com>
10457             Dorit Nuzman  <dorit@il.ibm.com>
10459         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
10460         * targhooks.c (default_builtin_vectorized_conversion): New.
10461         * targhooks.h (default_builtin_vectorized_function): New declaration.
10462         * target.h (struct vectorize): Add builtin_conversion field.
10463         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
10464         stmt_vec_info_type value.
10465         (vectorizable_conversion): New declaration.
10466         * tree-vect-analyze.c (vect_analyze_operations): Add
10467         vectorizable_conversion call.
10468         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
10469         * tree-vect-transform.c (vectorizable_conversion): New function.
10470         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
10471         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
10472         mode.
10473         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
10474         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
10475         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
10476         or ALTIVEC_BUILTIN_VCFSX.
10478 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10480         PR target/30634
10481         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
10482         CONST_DOUBLE and operand 0 is a hard register.
10483         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
10484         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
10485         is a hard floating-point register.
10487 2007-02-10  Richard Henderson  <rth@redhat.com>
10488             Jakub Jelinek  <jakub@redhat.com>
10489             Alexandre Oliva  <aoliva@redhat.com>
10491         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
10492         * builtin-types.def (BT_WORD): Make unsigned.
10493         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
10494         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
10495         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
10496         * c-decl.c (grokdeclarator): Don't error if !have_tls.
10497         * c-parser.c (c_parser_omp_threadprivate): Likewise.
10498         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
10499         emulated tls.
10500         * expr.c (emutls_var_address): New.
10501         (expand_expr_real_1): Expand emulated tls.
10502         (expand_expr_addr_expr_1): Likewise.
10503         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
10504         * output.h (emutls_finish): Declare.
10505         * toplev.c (compile_file): Call it.
10506         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
10507         address before wrapping in CONST.
10508         * varasm.c (emutls_htab, emutls_object_type): New.
10509         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
10510         (get_emutls_object_name, get_emutls_object_type): New.
10511         (get_emutls_init_templ_addr, emutls_decl): New.
10512         (emutls_common_1, emutls_finish): New.
10513         (assemble_variable): When emulating tls, swap decls; generate
10514         constructor for the emutls objects.
10515         (do_assemble_alias): When emulating tls, swap decl and target name.
10516         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
10517         for emulated tls.
10518         * varpool.c (decide_is_variable_needed): Look at force_output.
10519         Recurse for emulated tls.
10520         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
10521         with decide_is_variable_needed.
10522         * emutls.c: New file.
10523         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
10524         tls_object for real tls.
10526 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
10528         PR rtl-optimization/29599
10529         * reload1.c (eliminate_regs_in_insn): Take the destination
10530         mode into account when computing the offset.
10532 2007-02-09  Stuart Hastings  <stuart@apple.com>
10533             Richard Henderson  <rth@redhat.com>
10535         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
10536         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
10537         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
10538         fixuns_truncdfhi2): New.
10539         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
10540         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
10541         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
10542         (floatunssidf2): Allow nonimmediate source.
10543         * config/i386/sse.md (movdi_to_sse): New.
10544         (vec_concatv2di): Drop '*'.
10545         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
10546         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
10547         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
10548         New.
10549         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
10550         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
10551         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
10552         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
10553         (ix86_build_signbit_mask): Fix decl of v, refactor to call
10554         ix86_build_const_vector.
10555         (x86_emit_floatuns): Rewrite.
10557 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10559         * genautomata.c (longest_path_length): Delete unused function.
10560         (struct state): Delete unused longest_path_length.
10561         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
10562         (get_free_state): Delete unused.
10564 2007-02-09  Jan Hubicka  <jh@suse.cz>
10566         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
10567         * doc/invoke.texi (inline-unit-growth): Update default value.
10569         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
10570         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
10571         (rebuild_cgraph_edges): Likewise.
10572         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
10573         (dump_cgraph_node): Dump frequencies.
10574         (cgraph_clone_edge): Add frequency scales.
10575         (cgraph_clone_node): Add freuqnecy.
10576         * cgraph.h (cgraph_edge): Add freuqnecy argument.
10577         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
10578         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
10579         * tree-pass.h (TODO_rebuild_frequencies): New constant.
10580         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
10581         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
10582         (save_inline_function_body): Likewise.
10583         * ipa-inline.c: inluce rtl.h
10584         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
10585         (cgraph_edge_badness): Use frequencies.
10586         (cgraph_decide_recursive_inlining): Update clonning.
10587         (cgraph_decide_inlining_of_small_function): Dump frequency.
10588         * predict.c (estimate_bb_frequencies): Export.
10589         * predict.h (estimate_bb_frequencies): Declare.
10590         * tree-inline.c (copy_bb): Watch overflows.
10591         (expand_call_inline): Update call of cgraph_create_edge.
10592         (optimize_inline_calls): Use TODO flags to update frequnecies.
10593         * passes.h: Include predict.h
10594         (init_optimization_passes): Move profile ahead.
10595         (execute_function_todo): Handle TODO_rebuild_frequencies.
10597 2007-02-09  Roger Sayle  <roger@eyesopen.com>
10599         * config/alpha/alpha.c (emit_insxl): Force the first operand of
10600         the insbl or inswl pattern into a register.
10602 2007-02-09  Roger Sayle  <roger@eyesopen.com>
10604         * config/ia64/ia64.md (bswapdi2): New define_insn.
10606 2007-02-09  Richard Henderson  <rth@redhat.com>
10608         * config/i386/constraints.md (Ym): New constraint.
10609         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
10610         (movdi_1_rex64): Split sse and xmm general register moves from
10611         memory move alternatives.  Use conditional register constraints.
10612         (movsf_1, movdf_integer): Likewise.
10613         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
10614         (movdf_integer_rex64): New.
10615         (pushsf_rex64): Fix output constraints.
10616         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
10617         (sse2_stored): Likewise.
10618         (sse2_storeq_rex64): New.
10619         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
10620         amd and not generic.
10621         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
10622         for optimize_size.  Remove SF/DFmode hack.
10624 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
10626         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
10627         (bit_SSE4a): New.
10629 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
10630             Richard Sandiford  <richard@codesourcery.com>
10632         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
10633         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
10634         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
10635         m68k/t-mlib to tmake_file.
10636         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
10637         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
10638         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
10639         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
10640         variable is not empty, add t-$m68k_arch_family to tmake_file.
10641         Add t-mlibs to tmake_file.
10642         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
10643         * config/m68k/t-cf: New file.
10644         * config/m68k/t-m68k: Likewise.
10645         * config/m68k/t-mlibs: Likewise.
10646         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
10647         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
10648         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
10649         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
10650         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
10651         Delete.
10652         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
10653         (INSTALL_LIBGCC): Delete.
10654         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
10655         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
10656         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
10657         (M68K_MLIB_CPU): Define.
10658         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
10659         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
10660         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
10662 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
10663             Richard Guenther  <rguenther@suse.de>
10665         PR middle-end/23361
10666         * fold-const.c (fold_comparison): Handle obfuscated comparisons
10667         against INT_MIN/INT_MAX.
10668         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
10669         file if a loop is removed.
10671 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
10673         * calls.c (store_one_arg): Pass correct alignment to
10674         emit_push_insn for non-BLKmode values.
10675         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
10676         unaligned stack slot via a suitably aligned slot.
10678 2007-02-08  DJ Delorie  <dj@redhat.com>
10680         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
10681         warnings.
10682         (legal_subregs): Use unsigned char, make const.
10683         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
10685 2007-02-08  Paul Brook  <paul@codesourcery.com>
10687         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
10688         special interworking needed.
10690 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
10692         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
10693         conditional to __SSE2__.
10694         (Entries below should have been added to first ChangeLog
10695         entry for amdfam10 dated 2007-02-05)
10696         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
10697         defined.
10698         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
10699         defined.
10700         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
10701         defined.
10703 2007-02-08  DJ Delorie  <dj@redhat.com>
10705         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
10706         * config/m32c/m32c.c (legal_subregs): New.
10707         (m32c_illegal_subreg_p): New.
10708         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
10709         unsupported subregs of hard regs.
10711 2007-02-08  Jan Hubicka  <jh@suse.cz>
10713         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
10714         the same one; always update histograms.
10716 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
10718         * passes.c (init_optimization_passes): Tidy comment.
10720 2007-02-08  Roger Sayle  <roger@eyesopen.com>
10722         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
10723         strip zero_extend, bswap and rotates from POCOUNT's argument.
10724         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
10725         zero_extend and rotates from PARITY's argument.
10726         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
10727         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
10728         of an integer constant at compile-time.
10730 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
10732         PR 30562
10733         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
10734         Update all users.
10735         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
10736         users.
10737         (init_alias_info):
10738         * tree-ssa-live.c (remove_unused_locals): Do not remove
10739         TREE_ADDRESSABLE variables.
10740         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
10741         * tree-ssa-operands.c (add_virtual_operand): Remove argument
10742         FOR_CLOBBER.  Update all users.
10743         If VAR has an associated alias set, add a virtual operand for
10744         it if no alias is found to conflict with the memory reference.
10746 2007-02-07  Jan Hubicka  <jh@suse.cz>
10747             Robert Kidd <rkidd@crhc.uiuc.edu>
10749         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
10751 2007-02-07  Ian Lance Taylor  <iant@google.com>
10753         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
10755 2007-02-07  Roger Sayle  <roger@eyesopen.com>
10757         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
10758         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
10759         tablejumpdi, movsi_to_cr_one): Remove constraints from
10760         define_expand's match_operands.
10762 2007-02-07  Roger Sayle  <roger@eyesopen.com>
10764         * global.c (compute_regsets): Move declatation of "i" inside of
10765         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
10767 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
10769         PR c++/30703
10770         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
10771         of INDIRECT_REF <RESULT_DECL>.
10773         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
10775 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
10776             Kaz Kojima  <kkojima@gcc.gnu.org>
10778         PR target/29746
10779         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
10780         properly.
10781         (sh_initialize_trampoline): Add parentheses to avoid a warning.
10783 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
10785         * doc/loop.texi: Document possibility not to perform disambiguation
10786         of loops with multiple latches.
10787         * cfgloopmanip.c (alp_enum_p): Removed.
10788         (add_loop): Handle subloops.  Use get_loop_body_with_size.
10789         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
10790         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
10791         the new forwarder block.
10792         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
10793         Handle the case latch is NULL.
10794         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
10795         when marking loop exits.
10796         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
10797         be modified.
10798         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
10799         disambiguate_loops_with_multiple_latches.
10800         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
10801         before fix_loop_structure.
10802         * cfgloop.c: Include pointer-set.h and output.h.
10803         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
10804         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
10805         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
10806         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
10807         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
10808         disambiguate_multiple_latches, get_loop_body_with_size,
10809         disambiguate_loops_with_multiple_latches): New functions.
10810         (flow_loop_dump): Dump multiple latch edges.
10811         (flow_loop_nodes_find): Handle loops with multiple latches.
10812         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
10813         (glb_enum_p): Modified.
10814         (get_loop_body): Use get_loop_body_with_size.
10815         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
10816         (AVOID_CFG_MODIFICATIONS): New constant.
10817         (disambiguate_loops_with_multiple_latches, add_loop,
10818         get_loop_body_with_size): Declare.
10819         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
10821 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
10823         PR inline-asm/28686
10824         * global.c (compute_regsets): New function.
10825         (global_alloc): Refactored ELIMINABLE_REGSET
10826         and NO_GLOBAL_ALLOC_REGS computation out.
10827         (rest_of_handle_global_alloc): Call compute_regsets()
10828         for non-optimizing case.
10830 2007-02-06  Richard Henderson  <rth@redhat.com>
10832         * config/i386/constraints.md (Y2): Rename from Y.
10833         (Yi): New constraint.
10834         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
10835         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
10836         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
10837         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
10838         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
10839         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
10840         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
10841         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
10842         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
10843         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
10844         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
10845         vec_extractv2si_1): Change Y constraints to Y2.
10846         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
10847         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
10848         Change Y constraints to Y2.
10849         (sse2_loadld): Change Y constraints to x.
10851 2007-02-06  Roger Sayle  <roger@eyesopen.com>
10853         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
10854         (parity<mode>2): New define_expand using rs6000_emit_parity.
10855         * config/rs6000/rs6000.c (rs6000_emit_popcount,
10856         rs6000_emit_parity): New functions.
10857         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
10858         rs6000_emit_parity): Prototype here.
10860 2007-02-06  Ian Lance Taylor  <iant@google.com>
10862         * lower-subreg.c (simple_move_operand): Reject CONST.
10863         (resolve_clobber): Call validate_change rather than directly
10864         assigning to XEXP (pat, 0).
10866 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
10868         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
10869         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
10870         (tree-cfg.o): Remove hashtab.h dependency.
10872         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
10873         (struct ivopts_data): Change niters to pointer_map_t.
10874         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
10875         (niter_for_exit): Create pointer_map on demand.  Change for
10876         pointer_map API.
10877         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
10878         (free_loop_data): Destroy data->niters if created and reset field.
10879         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
10880         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
10882         * tree-ssa-reassoc.c: Include pointer-set.h.
10883         (bb_rank): Change to long *.
10884         (operand_rank): Change to pointer_map_t.
10885         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
10886         (insert_operand_rank): Accept long.
10887         (operand_entry_hash, operand_entry_eq): Remove.
10888         (get_rank): Return long.  Adjust for changes above.
10889         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
10890         and operand_rank.
10891         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
10893         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
10894         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
10895         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
10896         is not NULL.
10897         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
10898         directly since it cannot be NULL.
10899         (get_vi_for_tree): Rewrite for pointer_map API.
10900         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
10901         (init_alias_vars): Create vi_for_tree as pointer_map.
10902         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
10904         * tree-cfg.c: Don't include hashtab.h.
10905         (edge_to_cases): Declare as pointer_map.
10906         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
10907         Delete.
10908         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
10909         (start_recording_case_labels): Create edge_to_cases as pointer_map.
10910         (end_recoding_case_labels): Cleanup edge_to_cases manually before
10911         destroying it.
10912         (record_switch_edge): Delete.
10913         (get_cases_for_edge): Adjust for pointer_map API, inline
10914         record_switch_edge (rewritten for new API), remove goto.
10916 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
10918         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
10919         * tree-nested.c: Include pointer-set.h.
10920         (var_map_elt, var_map_eq, var_map_hash): Delete.
10921         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
10922         to pointer_map_t's.
10923         (nesting_info_bitmap_obstack): New.
10924         (lookup_field_for_decl): Adjust for pointer_map API.
10925         (lookup_tramp_for_decl): Adjust for pointer_map API.
10926         (get_nonlocal_debug_decl): Adjust for pointer_map API.
10927         (get_local_debug_decl): Adjust for pointer_map API.
10928         (convert_nl_goto_reference): Adjust for pointer_map API.
10929         (convert_nl_goto_receiver): Adjust for pointer_map API.
10930         (create_nesting_tree): Create outside GGC space.  Create bitmap on
10931         the new obstack.  Create field_map and var_map as pointer_maps.
10932         (free_nesting_tree): Adjust for changes to create_nesting_tree.
10933         (root): Delete.
10934         (lower_nested_functions): Move root here, no need to NULL it.
10935         Initialize and release the obstack.
10937 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
10939         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
10940         Remove prototypes and make them non-static.
10941         (struct tree_int_map): Remove.
10942         * tree.h (struct tree_int_map): Move here, turning TO into an
10943         unsigned int.
10944         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
10946         * tree.h (TREE_COMPLEXITY): Remove.
10947         (struct tree_exp): Remove complexity field.
10948         * tree.c (build1_stat): Don't set it.
10950 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
10951             Victor Kaplansky  <victork@il.ibm.com>
10953         * tree-vectorizer.c (vect_is_simple_use): Support induction.
10954         (vect_is_simple_reduction): Support reduction with induction as
10955         one of the operands.
10956         (vect_is_simple_iv_evolution): Fix formatting.
10957         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
10958         formatting.  Don't mark induction phis for vectorization.
10959         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
10960         * tree-vect-transform.c (get_initial_def_for_induction): New function.
10961         (vect_get_vec_def_for_operand): Support induction.
10962         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
10963         induction case.
10964         (vectorizable_reduction): Support reduction with induction as one of
10965         the operands.
10966         (vectorizable_type_demotion): Use def-type of stmt argument rather
10967         than dummy def-type.
10969         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
10970         flag_tree_scev_cprop.
10971         * common.opt (tree-scev-cprop): New flag.
10973         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
10974         call to vect_get_new_vect_var.
10976 2007-02-06  Ira Rosen  <irar@il.ibm.com>
10978         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
10979         vectype is not NULL.
10980         (vect_pattern_recog_1): Likewise.
10982 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10984         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
10985         (fold_negate_expr): Likewise.
10987 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
10989         PR debug/30189
10990         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
10991         even if cv-qualification is the same.
10993 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
10995         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
10996         __enable_execute_stack on completion.
10998 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11000         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
11001         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
11002         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
11003         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
11004         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
11005         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
11006         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
11007         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
11009 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11011         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
11012         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
11013         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
11014         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
11015         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
11016         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
11017         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
11018         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
11019         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
11020         umuldi3_highpart_rex64, umulsi3_highpart_insn,
11021         umulsi3_highpart_zext, smuldi3_highpart_rex64,
11022         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
11023         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
11024         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
11025         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
11026         sqrtextenddfxf2_i387): Added amdfam10_decode.
11028         * config/i386/athlon.md (athlon_idirect_amdfam10,
11029         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
11030         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
11031         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
11032         athlon_ivector_store_amdfam10): New define_insn_reservation.
11033         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
11034         amdfam10.
11036 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11038         * config/i386/athlon.md (athlon_call_amdfam10,
11039         athlon_pop_amdfam10, athlon_lea_amdfam10): New
11040         define_insn_reservation.
11041         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
11042         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
11043         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
11045 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11047         * config/i386/athlon.md (athlon_sseld_amdfam10,
11048         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
11049         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
11051 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11053         * config/i386/athlon.md (athlon_sseins_amdfam10): New
11054         define_insn_reservation.
11055         * config/i386/i386.md (sseins): Added sseins to define_attr type
11056         and define_attr unit.
11057         * config/i386/sse.md: Set type attribute to sseins for insertq
11058         and insertqi.
11060 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11062         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
11063         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
11064         ssecomi_load_amdfam10, ssecomi_amdfam10,
11065         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
11066         define_insn_reservation.
11067         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
11069 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11071         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
11072         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
11073         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
11074         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
11075         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
11076         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
11077         define_insn_reservation.
11079         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
11080         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
11081         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
11082         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
11083         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
11085 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11087         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
11088         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
11089         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
11090         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
11091         athlon_ssemul_load_k8): Added amdfam10.
11093 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11095         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
11096         (x86_sse_unaligned_move_optimal): New variable.
11098         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
11099         m_AMDFAM10.
11100         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
11101         for unaligned vector SSE double/single precision loads for AMDFAM10.
11103 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11105         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
11106         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
11107         Define TARGET_CPU_DEFAULT_amdfam10.
11108         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
11109         (processor_type): Add PROCESSOR_AMDFAM10.
11111         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
11112         processor_type in config/i386/i386.h.
11113         Enable imul peepholes for TARGET_AMDFAM10.
11115         * config.gcc: Add support for --with-cpu option for amdfam10.
11117         * config/i386/i386.c (amdfam10_cost): New variable.
11118         (m_AMDFAM10): New macro.
11119         (m_ATHLON_K8_AMDFAM10): New macro.
11120         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
11121         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
11122         x86_promote_QImode, x86_integer_DFmode_moves,
11123         x86_partial_reg_dependency, x86_memory_mismatch_stall,
11124         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
11125         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
11126         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
11127         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
11128         Enable/disable for amdfam10.
11129         (override_options): Add amdfam10_cost to processor_target_table.
11130         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
11131         processor_alias_table.
11132         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
11133         (ix86_adjust_cost): Add code for amdfam10.
11135 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11137         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
11138         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
11139         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
11140         * config/i386/i386.h: Add builtin definition for SSE4A.
11141         * config/i386/i386.md: Add support for ABM instructions
11142         (popcnt and lzcnt).
11143         * config/i386/sse.md: Add support for SSE4A instructions
11144         (movntss, movntsd, extrq, insertq).
11145         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
11146         Add -march=amdfam10 flag.
11147         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
11148         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
11149         and amdfam10.
11150         * doc/extend.texi: Add documentation for SSE4A builtins.
11152 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
11154         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
11156 2007-02-05  Richard Guenther  <rguenther@suse.de>
11158         * tree-vectorizer.h (vectorizable_function): Add argument type
11159         argument, change return type.
11160         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
11161         * tree-vect-transform.c (vectorizable_function): Handle extra
11162         argument, return vectorized function decl.
11163         (build_vectorized_function_call): Remove.
11164         (vectorizable_call): Handle calls with result and argument types
11165         differing.  Handle loop vectorization factor correctly.
11166         * targhooks.c (default_builtin_vectorized_function): Adjust for
11167         extra argument.
11168         * targhooks.h (default_builtin_vectorized_function): Likewise.
11169         * target.h (builtin_vectorized_function): Add argument type
11170         argument.
11171         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
11172         extra argument, allow vectorizing of lrintf.
11173         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
11174         documentation of target hook.
11176 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
11178         PR target/30665
11179         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
11180         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
11181         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
11183 2007-02-05  Roger Sayle  <roger@eyesopen.com>
11185         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
11186         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
11187         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
11188         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
11189         before canonicalizing sincos to cexpi.
11190         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
11192 2007-02-05  Roger Sayle  <roger@eyesopen.com>
11194         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
11195         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
11196         (alpha_init_builtins): Use alpha_add_builtins to process tables.
11198 2007-02-05  Roger Sayle  <roger@eyesopen.com>
11200         * mips-tfile.c (initialize_init_file): Correct endianness test.
11202 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
11204         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
11205         the 'y' constraint.
11207 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
11209         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
11210         saves in a PARALLEL before the register assignments.
11212 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
11214         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
11215         DWARF_FRAME_RETURN_COLUMN to be a general register.
11216         * dwarf2out.c (init_return_column_size): New function, split from...
11217         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
11218         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
11219         to be nongeneral registers.
11220         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
11221         integer registers.
11222         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
11223         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
11225 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
11227         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
11229 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
11231         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
11232         (remove_path): Use can_remove_branch_p and remove_branch instead
11233         of loop_delete_branch_edge.
11234         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
11235         (tree_transform_and_unroll_loop): Remove dead branches immediately.
11236         Update profile using scale_dominated_blocks_in_loop.
11237         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
11238         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
11239         (can_remove_branch_p, remove_branch): Declare.
11240         * tree-cfg.c (tree_can_remove_branch_p): New function.
11241         (tree_cfg_hooks): Add tree_can_remove_branch_p.
11242         * cfgrtl.c (rtl_can_remove_branch_p): New function.
11243         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
11245 2007-02-05  Jan Hubicka  <jh@suse.cz>
11247         PR middle-end/30696
11248         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
11249         nodes in cgraph, don't remove offline copy of the function.
11251 2007-02-04  Jan Hubicka  <jh@suse.cz>
11253         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
11254         vectors might cause maybe_lookup_element_for_expr to be called
11255         on non-sra-candidate.
11257 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
11259         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
11260         config/bfin/bfin.md, config/bfin/predicates.md: Follow
11261         spelling conventions.
11263 2007-02-04  Richard Guenther  <rguenther@suse.de>
11265         PR middle-end/30636
11266         * fold-const.c (try_move_mult_to_index): Make sure to not
11267         overflow one dimension of a multi-dimensional array access.
11269 2007-02-04  Jan Hubicka  <jh@suse.cz>
11271         * passes.c (init_optimization_passes): Reindent.
11273 2007-02-04  Jan Hubicka  <jh@suse.cz>
11274             Eric Botcazou  <ebotcazou@adacore.com>
11276         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
11277         (execute_fixup_cfg): Break out the abnormal goto code.
11278         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
11279         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
11280         (optimize_inline_calls): Call make_nonlocal_label_edges.
11282 2007-02-04  Jan Hubicka  <jh@suse.cz>
11284         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
11285         true when something was changed.
11286         (rename_ssa_copies): When something was changed, do
11287         TODO_remove_unused_locals.
11288         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
11289         add TODO_remove_unused_locals when instruction was removed.
11291 2007-02-04  Jan Hubicka  <jh@suse.cz>
11293         * ipa-inline.c (try_inline): Improve debug output; work on already
11294         inline edges too.
11295         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
11296         call try_inline for already inlined edges too when flattening;
11297         inline also functions that make callee growth but overall unit size
11298         reduce.
11300 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
11302         * config/m32c/bitops.md, config/m32c/jump.md,
11303         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
11304         config/m32r/m32r.h, config/m32r/m32r.md,
11305         config/m32r/predicates.md, config/m68hc11/larith.asm,
11306         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
11307         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
11308         config/mips/mips-protos.h, config/mips/mips.c,
11309         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
11310         config/mn10300/mn10300.h, config/mn10300/predicates.md,
11311         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
11312         spelling conventions.
11314         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
11315         Follow spelling conventions.
11317 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
11319         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
11320         warn about C++0x compatibility.
11322 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
11324         * config/h8300/h8300.c, config/h8300/h8300.h,
11325         config/h8300/h8300.md: Follow spelling conventions.
11327 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
11329         PR middle-end/30667
11330         * combine.c (try_combine): Do not substitute source operand
11331         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
11333 2007-02-03  Jan Hubicka  <jh@suse.cz>
11335         PR gcov-profile/30650
11336         * value-prof.c (stringop_block_profile): Fix handling of size counter;
11337         do not divide by zero for never executed counters.
11338         (tree_find_values_to_profile): Fix counters.
11339         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
11341 2007-02-03  Ian Lance Taylor  <iant@google.com>
11343         * lower-subreg.c (simple_move_operand): New static function,
11344         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
11345         operands.
11346         (simple_move): Call simple_move_operand.
11347         (find_decomposable_subregs): Add special handling of MEMs.
11348         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
11349         meaning of return value.  If we see a hard register, test whether
11350         it can store a word_mode value.  Change all callers.
11352 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11354         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
11355         ftrapv insns and expanders.
11356         (subdi3): Change define_expand operand 1 to arith11_operand, and
11357         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
11358         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
11359         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
11360         respectively.
11362         PR middle-end/30174
11363         * varasm.c (notice_global_symbol): Treat global objects as weak when
11364         flag_shlib is true.
11366 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11368         * emit-rtl.c (dconstpi): Delete.
11369         (dconstsqrt2): New.
11370         (init_emit_once): Delete dconstpi and init dconstsqrt2.
11371         * real.h (dconstpi): Delete.
11372         (dconstsqrt2): New.
11373         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
11374         (fold_builtin_hypot): Likewise.
11376 2007-02-03  Tom Tromey  <tromey@redhat.com>
11378         PR driver/30246
11379         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
11380         -gcoff3, -gxcoff3, -gvms3 implies -dD.
11382 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
11384         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
11385         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
11386         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
11387         config/rs6000/cell.md, config/rs6000/darwin.h,
11388         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
11389         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
11390         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
11391         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
11392         typos.  Follow spelling conventions.
11393         * doc/invoke.texi: Follow spelling conventions.
11395 2007-02-03  Roger Sayle  <roger@eyesopen.com>
11397         * simplify-rtx.c (simplify_relational_operation_1): Implement some
11398         canonicalization transformations that attempt to simplify integer
11399         constant comparisons to become comparisons against zero.
11401 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11403         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
11404         fabs(x)*sqrt(2).
11405         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
11406         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
11408 2007-02-02  Mike Stump  <mrs@apple.com>
11410         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
11411         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
11412         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
11413         generate a branch island.
11415 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
11417         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
11418         (xtensa_legitimate_address_p): New.
11419         (xtensa_legitimize_address): New.
11420         (xtensa_output_addr_const_extra): New.
11421         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
11422         (BASE_REG_P): New.
11423         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
11424         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
11425         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
11426         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
11427         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
11428         (xtensa_legitimize_address): New.
11429         (xtensa_output_addr_const_extra): New.
11431 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
11433         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
11435 2007-02-02  Ian Lance Taylor  <iant@google.com>
11437         * expmed.c (expand_divmod): Add comment.
11439 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
11441         * emit-rtl.c (renumber_insns): Remove.
11442         * flags.h: Remove the extern for flag_renumber_insns.
11443         * rtl.h: Remove the prototype for renumber_insns.
11444         * toplev.c (flag_renumber_insns): Remove.
11446 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
11448         Revert for x86 darwin:
11449         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
11451         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
11452         code before the following patch under TARGET_MACHO.
11453         (ix86_function_value_regno_p): Likewise.
11455 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11457         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
11458         COMPLEX_EXPR.
11460 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11462         PR target/29682
11463         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
11464         general or fp registers.  Add comments.
11465         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
11467 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
11469         * pointer-set.c (insert_aux): Only return insertion slot.
11470         (pointer_set_insert): Adjust.
11471         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
11472         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
11473         pointer_map_traverse): New.
11474         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
11475         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
11476         pointer_map_contains, pointer_map_traverse): Declare.
11478 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
11480         PR middle-end/30473
11481         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
11482         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
11484 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11486         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
11488         (struct _dep): New type.
11489         (dep_t): New typedef.
11490         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
11491         (DEP_STATUS): New access macro.  The macro with the same name was
11492         renamed to DEP_LINK_STATUS.
11493         (dep_init): Declare function
11495         (struct _dep_link): New type.
11496         (dep_link_t): New typedef.
11497         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
11498         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
11499         (DEP_LINK_STATUS): New macro.
11500         (debug_dep_links): New debug function.
11502         (struct _deps_list): New type.
11503         (deps_list_t): New typedef.
11504         (DEPS_LIST_FIRST): New access macro.
11505         (FOR_EACH_DEP_LINK): New cycle macro.
11506         (create_deps_list, free_deps_list, delete_deps_list): Declare
11507         functions.
11508         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
11509         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
11510         (copy_deps_list_change_con): Ditto.
11512         (move_dep_link): Declare function.
11514         (struct _dep_node): New type.
11515         (dep_node_t): New typedef.
11516         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
11518         (struct haifa_insn_data.back_deps): New field to hold backward
11519         dependencies of the insn.
11520         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
11521         to deps_list_t.
11522         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
11523         Change its type to deps_list_t.
11524         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
11525         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
11526         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
11528         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
11530         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
11532         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
11533         all callers.
11534         (dep_cost): Declare.
11536         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
11537         (ds_to_dk, dk_to_ds): New functions.
11539         (init_dep_1): New static function.
11540         (init_dep): New function.
11541         (copy_dep): New static function.
11543         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
11544         functions.
11545         (detach_dep_link): New static function.
11546         (move_dep_link): New function.
11548         (dep_links_consistent_p, dump_dep_links): New static functions.
11549         (debug_dep_links): New debugging function.
11551         (deps_obstack, dl_obstack, dn_obstack): New static variables.
11553         (alloc_deps_list, init_deps_list): New static functions.
11554         (create_deps_list): New function.
11555         (clear_deps_list): New static function.
11556         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
11557         (deps_list_consistent_p, dump_deps_list): New static functions.
11558         (debug_deps_list): New function.
11559         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
11560         functions.
11561         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
11563         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
11564         use new scheduler dependencies lists.
11565         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
11566         (sched_analyze): Ditto.  Initialize dependencies lists.
11567         (add_forw_dep, compute_forward_dependences): Update to use new
11568         scheduler dependencies lists.
11570         (init_dependency_caches): Init deps_obstack.
11571         (free_dependency_caches): Free deps_obstack.
11573         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
11574         new scheduler dependencies lists.
11575         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
11576         (add_back_forw_dep, delete_back_forw_dep): Ditto.
11578         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
11579         Update to use new scheduler dependencies lists.
11580         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
11581         (debug_dependencies): Ditto.
11582         (schedule_region): Update comments.
11584         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
11585         scheduler dependencies lists.
11586         (schedule_ebb): Update comments.
11588         * rtl.def (DEPS_LIST): Remove.
11590         * lists.c (unused_deps_list): Remove.
11591         (free_list): Update assertions.
11593         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
11594         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
11596         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
11597         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
11599         * haifa-sched.c (comments): Update.
11600         (insn_cost1): Remove.  Inline the code into insn_cost ().
11601         (insn_cost): Update to use new scheduler dependencies lists.  Move
11602         processing of the dependency cost to dep_cost ().
11603         (dep_cost): New function.  Use it instead of insn_cost () when
11604         evaluating cost of the dependency.  Use compatible interface to
11605         interact with the target.
11606         (priority): Update to use new scheduler dependencies lists.
11607         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
11608         with greater number of insns that depend on the insn.
11609         (schedule_insn): Update to use new scheduler dependencies lists.  Add
11610         code to free backward dependencies lists.  Inline and optimize code
11611         from resolve_dep () - see PR28071.
11612         (ok_for_early_queue_removal): Update to use new scheduler dependencies
11613         lists.  Update call to targetm.sched.is_costly_dependence hook.
11615         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
11616         scheduler dependencies lists.
11618         (resolve_dep): Remove.  Move the logic to schedule_insn ().
11619         (init_h_i_d): Initialize dependencies lists.
11621         (process_insn_depend_be_in_spec): Rename to
11622         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
11623         dependencies lists.
11624         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
11625         Update to use new scheduler dependencies lists.
11626         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
11628         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
11629         new scheduler dependencies lists.
11630         (build_intra_loop_deps): Ditto.
11632         * target.h (struct _dep): Declare to use in
11633         gcc_target.sched.is_costly_dependence.
11634         (struct gcc_target.sched.adjust_cost): Fix typo.
11635         (struct gcc_target.sched.is_costly_dependence): Change signature to use
11636         single dep_t parameter instead of an equivalent triad.
11637         (struct gcc_target.sched.adjust_cost_2): Remove.
11639         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
11641         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
11643         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
11644         documentation.
11645         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
11647         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
11648         (REG_DEP_TRUE): Document.
11650         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
11651         Change signature to correspond to the targetm.sched.adjust_cost hook.
11652         Update use in TARGET_SCHED_ADJUST_COST_2.
11653         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
11654         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
11655         new scheduler dependencies lists.
11656         (ia64_gen_check): Ditto.
11658         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
11659         dependencies lists.
11661         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
11662         signature to correspond to the targetm.sched.is_costly_dependence hook.
11663         (is_costly_group): Update to use new scheduler dependencies lists.
11665         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
11666         instead of INSN_COST () macro.
11668 2007-02-01  Ian Lance Taylor  <iant@google.com>
11670         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
11672 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
11674         * pa.md (tp_load): Correct mfctl instruction syntax.
11676 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
11678         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
11679         altivec_padding_size calculation on AIX.  Improve comment, add
11680         assert to verify that it's right.
11682         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
11683         64-bit.
11685 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
11687         PR inline-asm/28686
11688         * global.c (global_alloc): Add mising initialization of
11689         ELIMINABLE_REGSET.
11691 2007-02-01  Roger Sayle  <roger@eyesopen.com>
11693         * alias.c (init_alias_analysis): Correct whitespace.
11694         * bb-reorder.c (fix_edges_for_rarely_executed_code,
11695         partition_hot_cold_basic_blocks): Likewise.
11696         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
11697         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
11698         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
11699         fold_builtin_snprintf_chk, fold_builtin_printf,
11700         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
11701         do_mpfr_arg3, do_mpfr_sincos): Likewise.
11702         * cfgcleanup.c (cleanup_cfg): Likewise.
11703         * cfgexpand.c (tree_expand_cfg): Likewise.
11704         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
11705         * function.c (get_next_funcdef_no): Likewise.
11706         * gengtype.c (main): Likewise.
11707         * genmodes.c (main): Likewise.
11708         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
11709         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
11710         * ifcvt.c (noce_emit_move_insn): Likewise.
11711         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
11712         Likewise.
11713         * stor-layout.c (get_best_mode): Likewise.
11714         * tree-ssa-loop-niter.c (get_val_for): Likewise.
11715         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
11716         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
11717         perform_var_substitution, solve_graph): Likewise.
11718         * tree-vrp.c (vrp_finalize): Likewise.
11720 2007-02-01  Ian Lance Taylor  <iant@google.com>
11722         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
11723         high part of a paradoxical subreg, return a constant zero.
11725 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
11727         * toplev.c (lang_dependent_init): Call init_set_costs.
11728         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
11730 2007-02-01  Richard Guenther  <rguenther@suse.de>
11732         PR middle-end/30656
11733         * fold-const.c (fold_negate_expr): Allow negating a
11734         constant if overflow does not change.
11736 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11738         * doc/c-tree.texi (Expression trees): Improve markup.
11739         * doc/tm.texi (Register Classes, Addressing Modes)
11740         (Floating Point): Fix spacing after abbreviations.  Fix some
11741         typos.
11743 2007-02-01  Ben Elliston  <bje@au.ibm.com>
11745         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
11746         * doc/contrib.texi: Likewise.
11747         * doc/install.texi: Likewise.
11749 2007-01-31  Richard Henderson  <rth@redhat.com>
11750             Ian Lance Taylor  <iant@google.com>
11752         * lower-subreg.c: New file.
11753         * rtl.def (CONCATN): Define.
11754         * passes.c (init_optimization_passes): Add pass_lower_subreg and
11755         pass_lower_subreg2.
11756         * emit-rtl.c (update_reg_offset): New static function, broken out
11757         of gen_rtx_REG_offset.
11758         (gen_rtx_REG_offset): Call update_reg_offset.
11759         (gen_reg_rtx_offset): New function.
11760         * regclass.c: Revert patch of 2006-03-05, restoring
11761         reg_scan_update.
11762         (clear_reg_info_regno): New function.
11763         * dwarf2out.c (concatn_loc_descriptor): New static function.
11764         (loc_descriptor): Handle CONCATN.
11765         * common.opt (fsplit_wide_types): New option.
11766         * opts.c (decode_options): Set flag_split_wide_types when
11767         optimizing.
11768         * timevar.def (TV_LOWER_SUBREG): Define.
11769         * rtl.h (gen_reg_rtx_offset): Declare.
11770         (reg_scan_update): Declare.
11771         * regs.h (clear_reg_info_regno): Declare.
11772         * tree-pass.h (pass_lower_subreg): Declare.
11773         (pass_lower_subreg2): Declare.
11774         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
11775         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
11776         -fsplit-wide-types.
11777         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
11778         * Makefile.in (OBJS-common): Add lower-subreg.o.
11779         (lower-subreg.o): New target.
11781 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
11783         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
11785 2007-01-31  Anatoly Sokolov <aesok@post.ru>
11787         PR target/19087
11788         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
11790 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11792         PR middle-end/29335
11793         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
11795 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
11797         * cfgloop.h: Include vec-prim.h.
11798         (enum li_flags): Remove LI_ONLY_OLD.
11799         (loop_iterator): Changed.
11800         (fel_next, fel_init): Iterate over loop tree.
11801         (FOR_EACH_LOOP_BREAK): New macro.
11802         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
11803         FOR_EACH_LOOP.
11804         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
11805         * modulo-sched.c (sms_schedule): Ditto.
11806         * tree-vectorizer.c (vectorize_loops): Ditto.
11807         * doc/loop.texi: Update information on loop numbering and behavior of
11808         FOR_EACH_LOOP wrto new loops.
11809         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11810         add_to_evolution_1): Test nestedness of loops instead of comparing
11811         their numbers.
11812         * tree-chrec.c (chrec_fold_plus_poly_poly,
11813         chrec_fold_multiply_poly_poly, chrec_evaluate,
11814         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
11815         reset_evolution_in_loop): Ditto.
11816         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
11818 2007-01-31  Dirk Mueller  <dmueller@suse.de>
11820         * c-common.c (warn_about_parentheses): Separate warning about
11821         un-parenthized sequence of comparison operators from the one
11822         which is supposed to warn about x <= y <= z.
11824 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
11826         * optabs.h (enum optab_index): Add new OTI_isinf.
11827         (isinf_optab): Define corresponding macro.
11828         * optabs.c (init_optabs): Initialize isinf_optab.
11829         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
11830         patterns.
11831         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
11832         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
11833         using isinf_optab.
11834         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
11835         expand_builtin_interclass_mathfn.
11836         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
11837         * config/i386/i386.md (UNSPEC_FXAM): New constant.
11838         (fxam<mode>2_i387): New insn pattern.
11839         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
11840         built-in functions as x87 inline asm.
11842 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
11844         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
11846 2007-01-30  Eric Christopher  <echristo@apple.com>
11848         * config.gcc: Add geode.
11850 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
11852         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
11853         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
11854         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
11855         value-prof.c: Fix comment typos.
11857 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11859         PR c++/24745
11860         * doc/invoke.texi (Wpointer-arith): Document warning.
11862 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
11864         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
11865         the list of discrepancies from the draft TR.
11867 2007-01-30  Dirk Mueller  <dmueller@suse.de>
11869         PR c++/30601
11870         * doc/invoke.texi (-Wreturn-type): Update description to
11871         match new behavior.
11873 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
11875         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
11877 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
11879         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
11880         to handle optabs that operate on floating point input argument and
11881         output to integer output.
11882         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
11883         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
11884         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
11885         expand_builtin_interclass_mathfn ().
11886         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
11887         (ilogbsi2): Remove.
11888         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
11889         ilogbl built-in functions as x87 intrinsics.
11891 2007-01-30  Richard Guenther  <rguenther@suse.de>
11893         PR middle-end/27657
11894         * dwarf2out.c (reference_to_unused): Query varpool if the
11895         variable was output.
11897 2007-01-30  Richard Guenther  <rguenther@suse.de>
11899         PR middle-end/30313
11900         * passes.c (execute_one_pass): Reset in_gimple_form to not
11901         confuse non-unit-at-a-time mode.
11903 2007-01-29  Roger Sayle  <roger@eyesopen.com>
11904             Richard Guenther  <rguenther@suse.de>
11906         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
11907         avoid undefined behaviour on overflow.  Use force_fit_type_double
11908         to construct the constant with the specified TREE_OVERFLOW.
11910 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
11912         * config/dfp-bit.c: Add parameterized support for fp exceptions.
11913         * config/dfp-bit.h: Ditto.
11915 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11917         * c-decl.c (pop_scope): Replace warnings with call to
11918         warn_for_unused_label.
11919         * c-common.h (warn_for_unused_label): Declare.
11920         * c-common.c (warn_for_unused_label): Define.
11922 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11924         * tree-optimize.c (update_inlined_to_pointers): Delete unused
11925         function.
11927 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
11929         * Makefile.in (USER_H): Remove decfloat.h.
11930         * ginclude/decfloat.h: Delete, moving contents to ...
11931         * ginclude/float.h: Add support for decimal floating point,
11932         guarded by __STDC_WANT_DEC_FP__.
11934 2007-01-29  Mike Stump  <mrs@apple.com>
11936         * doc/gccint.texi (Top): Rename Loop Representation to Loop
11937         Analysis and Representation to resolve case insensitive conflict.
11938         * doc/loop.texi (Loop Analysis and Representation): Likewise.
11940 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
11942         * tree.h (struct tree_memory_tag): Add aliases member.
11943         (MTAG_ALIASES): New macro.
11944         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
11945         (add_may_alias): Remove pointer-set. Update for may_aliases being
11946         a bitmap.
11947         (mark_aliases_call_clobbered): Update for may_aliases being a
11948         bitmap.
11949         (compute_tag_properties): Ditto.
11950         (create_partition_for): Ditto.
11951         (compute_memory_partitions): Ditto.
11952         (dump_may_aliases_for): Ditto.
11953         (is_aliased_with): Ditto.
11954         (add_may_alias_for_new_tag): Ditto.
11955         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
11956         (compute_is_aliased): New function.
11957         (compute_may_aliases): Call compute_is_aliased).
11958         (init_alias_info): Initialize alias_bitmap_obstack.
11959         (union_alias_set_into): New function.
11960         (compute_flow_sensitive_aliasing): Use union_aliases_into.
11961         (have_common_aliases_p): Rewrite to take two bitmaps and use
11962         intersection.
11963         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
11964         Update for bitmaps.
11965         (finalize_ref_all_pointers): Update for add_may_alias changes.
11966         (new_type_alias): Ditto.
11967         * tree-flow-inline.h (may_aliases): Return a bitmap.
11968         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
11969         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
11970         may_aliases being a bitmap.
11971         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
11972         may_aliases now returns a bitmap.
11973         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
11974         being a bitmap.
11975         * tree-ssa-operands.c (add_virtual_operand): Update for
11976         may_aliases being a bitmap.
11978 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
11980         PR tree-optimization/30630
11981         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
11982         variable as changed.
11984 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
11986         PR c++/28266
11987         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
11988         expanded only once even if an error occurs.
11990 2007-01-29  Ben Elliston  <bje@au.ibm.com>
11992         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
11993         (__gcov_average_profiler): Likewise.
11994         (__gcov_ior_profiler): Likewise.
11995         (__gcov_merge_ior): Likewise.
11997 2007-01-28  Jan Hubicka  <jh@suse.cz>
11999         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
12000         * value-prof.c (stringop_block_profile): Likewise.
12002 2007-01-28  Jan Hubicka  <jh@suse.cz>
12004         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
12005         variant handling histograms; add wrapper.
12006         (clear_storage_via_libcall): Export.
12007         (emit_block_move_hints): Break out from ...; add histograms.
12008         (emit_block_move): ... this one.
12009         (clear_storage_hints): Break out from ...; add histograms.
12010         (clear_storage): ... this one.
12011         (set_storage_via_memset): Handle histogram.
12012         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
12013         (clear_storage_hints, clear_storage_via_libcall): Declare.
12014         (set_storage_via_setmem): Update prototype.
12015         * doc/md.texi (movmem, setmem): Document new arguments.
12017         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
12018         new histograms.
12019         (stringop_block_profile): New global function.
12020         (tree_stringops_values_to_profile): Profile block size and alignment.
12021         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
12022         HIST_TYPE_IOR.
12023         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
12024         (stringop_block_profile): Declare.
12025         * builtins.c: Include value-prof.h.
12026         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
12027         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
12028         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
12029         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
12030         * profile.c (instrument_values): Add new counters.
12031         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
12032         calls.
12033         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
12034         (tree_init_edge_profiler): Build new profilers.
12035         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
12036         (pass_tree_profile): Add dump.
12037         (tree_profile_hooks): Update.
12038         * Makefile.in (LIBGCOV): Add new constants.
12039         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
12040         __gcov_ior_profiler): New.
12041         * i386.md (movmem/setmem expanders): Add new optional arguments.
12043 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
12045         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
12047 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
12049         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
12050         (tree_unswitch_single_loop): Pass eni_size_weights to
12051         tree_num_loop_insns.
12052         * tree-ssa-loop-manip.c: Include tree-inline.h.
12053         (can_unroll_loop_p): Pass eni_size_weights to
12054         tree_num_loop_insns.
12055         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
12056         Pass eni_size_weights to estimate_num_insns.
12057         * tree.h (init_inline_once): Export.
12058         * toplev.c (backend_init): Call init_inline_once.
12059         * cgraphunit.c (cgraph_process_new_functions,
12060         cgraph_analyze_function): Pass eni_inlining_weights to
12061         estimate_num_insns.
12062         * ipa-inline.c (compute_inline_parameters): Ditto.
12063         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
12064         to estimate_num_insns.
12065         (try_unroll_loop_completely): Pass eni_size_weights to
12066         tree_num_loop_insns.
12067         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
12068         ot estimate_num_insns.
12069         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
12070         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
12071         * tree-inline.c (eni_inlining_weights, eni_size_weights,
12072         eni_time_weights): New variables.
12073         (init_inline_once): Initialize them.
12074         (struct eni_data): Mew.
12075         (estimate_num_insns_1, estimate_num_insns): Use weights.
12076         * tree-inline.h (struct eni_weights_d): New.
12077         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
12078         (estimate_num_insns): Declaration changed.
12079         * cfgloop.h (tree_num_loop_insns): Declaration changed.
12080         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
12081         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
12083 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
12085         * tree-data-ref.c (conflict_fn): Assert that the number of affine
12086         relations in the conflict function is valid.
12088 2007-01-27  Ian Lance Taylor  <iant@google.com>
12090         * common.opt: Add fstrict-overflow.
12091         * opts.c (decode_options): Set flag_strict_overflow if -O2.
12092         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
12093         (TYPE_OVERFLOW_UNDEFINED): Define.
12094         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
12095         Replace all uses.
12096         * tree.h (TYPE_TRAP_SIGNED): Don't define.
12097         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
12098         (fold_negate_expr): Likewise.
12099         (make_range): Likewise.
12100         (extract_muldiv_1): Likewise.
12101         (maybe_canonicalize_comparison): Likewise.
12102         (fold_comparison): Likewise.
12103         (fold_binary): Likewise.
12104         (tree_expr_nonnegative_p): Likewise.
12105         (tree_expr_nonzero_p): Likewise.
12106         * tree-vrp.c (compare_values): Likewise.
12107         (extract_range_from_binary_expr): Likewise.
12108         (extract_range_from_unary_expr): Likewise.
12109         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
12110         Likewise.
12111         (nowrap_type_p): Likewise.
12112         * tree-scalar-evolution.c (simple_iv): Likewise.
12113         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
12114         (build_range_check): Likewise.
12115         (extract_muldiv_1): Likewise.
12116         (fold_comparison): Likewise.
12117         * tree-vrp.c (vrp_int_const_binop): Likewise.
12118         (extract_range_from_unary_expr): Likewise.
12119         * convert.c (convert_to_integer): Likewise.
12120         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
12121         (fold_comparison): Likewise.
12122         (fold_binary): Likewise.
12123         * optabs.c (optab_for_tree_code): Likewise.
12124         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
12125         * simplify-rtx.c (simplify_const_relational_operation): Check
12126         flag_strict_overflow and flag_trapv.
12127         (simplify_const_relational_operation): Likewise.
12128         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
12129         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
12130         -fstrict-overflow.
12132 2007-01-27  Roger Sayle  <roger@eyesopen.com>
12134         * tree.c (tree_fold_gcd): Delete.
12135         * tree.h (tree_fold_gcd): Remove prototype.
12136         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
12137         test whether one constant integer is a multiple of another.  Instead
12138         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
12139         * fold-const.c (multiple_of_p):  We've determined both TOP and
12140         BOTTOM are integer constants so we can call int_const_binop directly
12141         instead of the more generic const_binop.
12143 2007-01-27  Roger Sayle  <roger@eyesopen.com>
12145         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
12146         1*X check that the constant hasn't overflowed, to preserve the
12147         TREE_OVERFLOW bit.
12148         (round_up): Provide an efficient implementation when rouding-up an
12149         INTEGER_CST to a power-of-two.
12151 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12153         * doc/sourcebuild.texi: Add comma for clarity.
12154         * doc/extend.texi: Fix some typos.
12155         * doc/passes.texi: Likewise.
12156         * doc/cppinternals.texi: Likewise.
12157         * doc/c-tree.texi: Likewise.
12158         * doc/tree-ssa.texi: Likewise.
12159         * doc/install.texi: Likewise.
12161 2007-01-27  Jan Hubicka  <jh@suse.cz>
12163         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
12164         (pass_sra): Do not require alias information.
12165         * passes.c (init_optimization_passes): Add SRA
12167 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
12169         * tracer.c (rest_of_handle_tracer): We already cleaned
12170         up the CFG in tracer() so don't do it here again.
12171         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
12172         cleanup_cfg here, either.  And don't call renumber_insns.
12174         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
12175         and BB_HEAD are in the insn stream here.  Instead make sure
12176         that BB_INSN is valid on all insns.  Also, do check here that
12177         there are no pending branch predictions...
12178         (rtl_verify_flow_info): ...instead of doing it here.  Checks
12179         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
12180         here.
12182 2007-01-26  Roger Sayle  <roger@eyesopen.com>
12184         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
12185         function to simplify/factorize operand order canonicalization.
12186         (ix86_fixup_binary_operands): Reorganize using the above function.
12187         (ix86_binary_operator_ok): Likewise.
12189 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
12191         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
12192         file scope from optimize_attrs.
12193         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
12194         up search.
12195         (optimize_attrs): Clear insn_code_values after freeing it.
12197 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
12199         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
12200         a parts.base assignment.
12202 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
12204         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
12205         (compute_subscript_distance, initialize_data_dependence_relation,
12206         finalize_ddr_dependent, analyze_ziv_subscript,
12207         analyze_siv_subscript_cst_affine,
12208         compute_overlap_steps_for_affine_univar,
12209         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
12210         analyze_siv_subscript, analyze_miv_subscript,
12211         analyze_overlapping_iterations, subscript_dependence_tester_1,
12212         compute_self_dependence, free_dependence_relation): Work
12213         with affine_fn instead of chrecs.
12214         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
12215         common_affine_function, affine_function_base,
12216         affine_function_constant_p, affine_fn_op, affine_fn_plus,
12217         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
12218         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
12219         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
12220         (all_chrecs_equal_p): Removed.
12221         * tree-data-ref.h (affine_fn, conflict_function): New types.
12222         (struct subscript): Change type of conflicting_iterations_in_a
12223         and conflicting_iterations_in_b.
12225 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
12227         PR other/30182
12228         * config/pa/pa.h (TARGET_HPUX_11): New.
12229         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
12230         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
12232 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
12233         Richard Guenther  <rguenther@suse.de>
12235         * tree-ssa-structalias.c (solve_graph): Handle case
12236         we merged the variable to another.
12238 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12240         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
12241         functions.
12243         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
12244         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
12246 2007-01-25  DJ Delorie  <dj@redhat.com>
12248         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
12249         allow changes to modes which don't fit in those registers.
12251         * reload1.c (choose_reload_regs): Check for invalid subregs before
12252         computing their locations, not after.
12254 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
12256         PR 25127
12257         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
12258         save Altivec registers in an eh_return function.
12259         (compute_vrsave_mask): Likewise.
12260         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
12261         for saving Altivec registers.
12262         (rs6000_emit_prologue): Don't allocate stack twice in
12263         eh_return function.  Correct expected value of altivec_save_offset
12264         when using save_world.  Describe save of R0 to stack when using
12265         save_world.  Describe stack pointer adjustment when using
12266         save_world.  Remove duplicated eh_return parameter register saving.
12267         Update sp_offset variable after save_world.
12268         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
12269         darwin-world.asm.
12270         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
12271         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
12272         implies Altivec.
12274 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
12276         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
12278 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
12280         PR other/30182
12281         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
12282         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
12284 2007-01-25  Richard Guenther  <rguenther@suse.de>
12286         * doc/invoke.texi (-Wcoverage-mismatch): Document.
12287         * common.opt (-Wcoverage-mismatch): New warning option.
12288         * coverage.c (get_coverage_counts): Ignore coverage mismatch
12289         if -Wcoverage-mismatch is given.
12291 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
12293         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
12294         (ipcp_driver): Change to static definition.
12295         Add dumping of the ifunctions.
12296         (constant_val_insert): Remove unused parameter. Support for SSA.
12297         (ipcp_propagate_const): Support for SSA.
12298         (ipcp_profile_bb_print): Print only analyzed nodes.
12299         (ipcp_replace_map_create): Remove support for Fortran constant
12300         for now.
12301         * ipa-prop.c (ipa_method_modify_stmt,
12302         ipa_callsite_compute_param): Support for SSA.
12303         * ipa-prop.h (ipcp_driver): Remove declaration.
12304         (IS_VALID_TREE_MAP_INDEX): Add define.
12306 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
12308         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
12310 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12312         PR middle-end/30447
12313         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
12314         constant argument to cabs and do it without checking for
12315         -funsafe-math-optimizations.
12317 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
12319         * c-common.h (RID_FIRST_CXX0X): New.
12320         (RID_LAST_CXX0X): New.
12321         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
12322         by -Wall.
12323         * c.opt (Wc++0x-compat): New.
12324         * doc/invoke.texi (-Wc++0x-compat): Document.
12326 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12328         * builtins.c (fold_builtin_carg): New.
12329         (fold_builtin_1): Use it.
12331 2007-01-24  Jan Hubicka  <jh@suse.cz>
12333         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
12335         * ipa-inline.c (initial_insns, max_insns): Delete.
12336         (compute_max_insns): New function.
12337         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
12338         of insns as base for code growth.
12339         (cgraph_decide_inlining): Make initial_insns local; do not compute
12340         max_insns.
12341         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
12342         * doc/invoke.texi (inline-unit-growth): Update docs.
12344 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
12346         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
12347         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
12348         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
12349         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
12350         for CPUs that have PTA_CX16 set.
12352         PR middle-end/27416
12353         * gimplify.c (omp_check_private): New function.
12354         (gimplify_scan_omp_clauses): Use it for
12355         firstprivate/lastprivate/reduction.
12357         PR middle-end/30494
12358         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
12359         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
12361         PR middle-end/30421
12362         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
12363         If lower_lastprivate_clauses emits some statements, append them
12364         to dlist rather than body_p and to body_p append an initializer.
12365         (lower_omp_for): Adjust caller.
12367 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
12369         * target.h (globalize_decl_name): New.
12370         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
12371         * output.h (default_globalize_decl_name): New.
12372         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
12373         globalize_label.
12374         (globalize_decl): Ditto.
12375         (default_globalize_decl_name): New.
12376         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
12377         (ia64_handle_version_id_attribute): New.
12378         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
12379         (ia64_asm_output_external): Use globalize_decl_name instead
12380         of globalize_label.
12381         * doc/extend.texi (version_id): New pragma.
12382         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
12384 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
12386         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
12387         _uleb128_t and _Unwind_SWord with _sleb128_t.
12388         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
12389         uw_frame_state_for, uw_update_context_1): Likewise.
12390         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
12391         * unwind-pe.h (read_uleb128, read_sleb128,
12392         read_encoded_value_with_base): Likewise.
12393         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
12395 2007-01-24  Richard Guenther  <rguenther@suse.de>
12397         * builtins.c (expand_builtin_cexpi): Get the fndecl
12398         for cexp in the correct way.
12400 2007-01-24  Jan Hubicka  <jh@suse.cz>
12402         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
12404 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
12406         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
12407         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
12408         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
12409         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
12410         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
12411         __SIZEOF_PTRDIFF_T__.
12412         * doc/cpp.texi: Documentation for the new builtin macros added.
12414 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
12416         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
12417         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
12418         instead of operands[2] to avoid access past the end of array.
12420 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
12422         * reload1.c (emit_reload_insns): Pass the reload register
12423         for a non-spill output reload through forget_old_reloads_1.
12425 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
12427         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
12428         _SOFT_DOUBLE if doubles use software floating-point.
12429         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
12430         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
12431         * config/rs6000/darwin-ldouble.c: Also compile functions for
12432         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
12433         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
12434         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
12435         commented-out long double override.
12436         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
12437         * config/rs6000/eabispe.h: Likewise.
12438         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
12439         long double for non-SPE.
12440         (rs6000_handle_option): Likewise.
12441         (invalid_e500_subreg): Disallow more subregs involding DImode,
12442         DFmode, TImode or TFmode.
12443         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
12444         E500 double.
12445         (legitimate_lo_sum_address_p): Also check for TFmode for E500
12446         double.
12447         (rs6000_legitimize_address): Also handle TFmode for E500 double.
12448         (rs6000_legitimize_reload_address): Also handle TFmode for E500
12449         double.
12450         (rs6000_legitimate_address): Also check for TFmode for E500
12451         double.
12452         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
12453         (spe_build_register_parallel): Handle TFmode and TCmode.
12454         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
12455         double.
12456         (function_arg): Handle TFmode and TCmode for E500 double.
12457         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
12458         in general.
12459         (print_operand): Handle TFmode and TImode for %y.
12460         (rs6000_generate_compare): Handle TFmode comparisons for E500
12461         double.
12462         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
12463         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
12464         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
12465         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
12466         TFmode for E500 double.
12467         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
12468         (floatsidf2): Enable for E500 double.
12469         (movtf_softfloat): Use rs6000_nonimmediate_operand.
12470         (extenddftf2): Change to extenddftf2_fprs.
12471         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
12472         depending on TARGET_E500_DOUBLE.
12473         (extendsftf2): Enable for E500 double.
12474         (trunctfdf2): Enable for E500 double.
12475         (trunctfsf2): Change to trunctfsf2_fprs.
12476         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
12477         depending on TARGET_E500_DOUBLE.
12478         (floatsitf2): Enable for E500 double.
12479         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
12480         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
12481         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
12482         (negtf2): Change to negtf2_internal.
12483         (negtf2): New expander.
12484         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
12485         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
12486         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
12487         (movdi_internal32): Use rs6000_nonimmediate_operand.
12488         (unnamed splitter): Likewise.
12489         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
12490         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
12491         (SPE64TF, DITI): New mode macros.
12492         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
12493         modes.
12494         (frob_tf_ti): New.
12495         (frob_<mode>_di_2): New.
12496         (frob_tf_di_8_2): New.
12497         (frob_di_df): Change to frob_di_<mode>; allow more modes.
12498         (frob_ti_tf): New.
12499         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
12500         more modes.
12501         (frob_ti_<mode>_8_2): New.
12502         (frob_ti_tf_2): New.
12503         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
12504         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
12505         TFmode.
12506         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
12507         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
12508         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
12509         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
12510         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
12511         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
12512         tsttflt_gp): New.
12514 2007-01-23  Ian Lance Taylor  <iant@google.com>
12516         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
12517         insn-*.o first.
12518         (OBJS-archive): Reformat, alphabetize.
12519         (OBJS): Change out_object_file to OBJS-md.
12521 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
12523         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
12524         JUMP_P and CALL_P predicates where applicable.
12525         * config/i386/i386.c: Ditto.
12526         * config/i386/i386.md: Ditto.
12527         * config/i386/mmx.md: Ditto.
12528         * config/i386/predicates.md: Ditto.
12530 2007-01-22  Andreas Schwab  <schwab@suse.de>
12532         * config/m68k/m68k.h: Fix comment.
12534 2007-01-22  Jan Hubicka  <jh@suse.cz>
12536         * passes.c (init_optimization_passes): Do not rerun
12537         pass_early_warn_uninitialized.
12539 2007-01-22  Richard Guenther  <rguenther@suse.de>
12541         PR tree-optimization/30038
12542         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
12543         function.
12544         (execute_cse_sincos_1): Likewise.
12545         (execute_cse_sincos): Likewise.
12546         (gate_cse_sincos): Likewise.
12547         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
12548         the cexpi() canonicalization of sincos().
12549         * tree-pass.h (pass_cse_sincos): Declare.
12550         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
12552 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
12554         PR rtl-optimization/29329
12555         * combine.c (replaced_rhs_insn): Rename to i2mod.
12556         (replaced_rhs_value): Rename to i2mod_new_rhs.
12557         (i2mod_old_rhs): New global variable.
12558         (combine_instructions): Adjust for above change.  Save a copy of
12559         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
12560         note are substituted in the second instruction.
12561         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
12562         ditch the note if it pertains to the second eliminated register
12563         and this register is mentioned in i2mod_old_rhs.
12565         Revert:
12566         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
12568         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
12569         the insn to which the note was originally attached.
12571 2007-01-21  Jan Hubicka  <jh@suse.cz>
12573         * ipa-inline.c (inlining_mode): Comment, move up.
12574         (cgraph_decide_inlining_incrementally): Do not perform inlining
12575         itself; fix handling of flattening of self recursive functions.
12576         (cgraph_find_cycles): Remove.
12577         (cgraph_flatten_node): Remove.
12578         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
12579         (try_inline): New function.
12580         (cgraph_early_inlining): Update call of
12581         cgraph_decide_inlining_incrementally.  Apply inlining here.
12582         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
12584 2007-01-21  Dirk Mueller  <dmueller@suse.de>
12586         PR bootstrap/30511
12587         * tree-vrp.c (check_array_bounds): do not warn
12588         about ADDR_EXPR's of ARRAY_REF's which are immediately
12589         used in binary expressions.
12591 2007-01-21  Ira Rosen  <irar@il.ibm.com>
12593         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
12594         read_write_dep and macros for its access.
12595         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
12596         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
12597         argument, call vect_check_interleaving for every independent pair of
12598         data-refs. Mark loads that access the same memory location as a store
12599         in the loop.
12600         (vect_check_dependences): Remove.
12601         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
12602         call, fix the call to vect_analyze_data_ref_dependence.
12603         (vect_analyze_data_ref_access): For statements that access the same
12604         data-ref, check that they are not stores; for loads, check that there
12605         is no store that access the same location.
12607 2007-01-20  Roger Sayle  <roger@eyesopen.com>
12608             Joseph Myers  <joseph@codesourcery.com>
12610         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
12611         (-fdump-rtl-stack): Likewise.
12612         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
12613         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
12614         (-mpt-fixed): Use @minus{} for minus sign.
12615         (Using Precompiled Headers): Fix under/overfull hbox.
12617 2007-01-20  Jan Hubicka  <jh@suse.cz>
12619         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
12620         place within annotation.
12622 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12624         * pa.c (output_move_double): Change array size of xoperands to 4.
12626 2007-01-20  Jan Hubicka  <jh@suse.cz>
12628         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
12629         as temporary.
12631 2007-01-19  Ian Lance Taylor  <iant@google.com>
12633         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
12634         constant to unsigned HOST_WIDE_INT before negating.
12636 2007-01-19  Ian Lance Taylor  <iant@google.com>
12638         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
12639         to unsigned.
12640         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
12641         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
12642         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
12643         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
12644         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
12645         (realloc_vdef, realloc_vuse): Change second parameter to
12646         unsigned.
12647         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
12648         fields to unsigned.
12649         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
12650         unsigned. Change x and lim locals to unsigned.
12651         (realloc_vdef, realloc_vuse): Change num_elem parameter to
12652         unsigned.
12653         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
12654         (copy_virtual_operands): Change i and n locals to unsigned.
12656 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12658         PR middle-end/29335
12659         * builtins.c (fold_builtin_1): Handle builtin fdim.
12661 2007-01-20  Jan Hubicka  <jh@suse.cz>
12663         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
12664         * tree-ssa-structalias.c (compute_points_to_sets): Do call
12665         init_alias_heapvars.
12666         (init_alias_heapvars): Initialize only when not already initialized.
12667         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
12669 2007-01-19  Roger Sayle  <roger@eyesopen.com>
12671         * common.opt (fsigned-zeros): New command line option.
12672         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
12673         of flag_unsafe_math_optimizations.
12674         * opts.c (set_fast_math_flags): The -ffast-math command line option
12675         implies -fno-signed-zeros.
12676         (fast_math_flags_set_p): Likewise.
12678         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
12679         the documentation of -ffast-math appropriately.  Wrap long lines.
12681 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
12683         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
12684         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
12686 2007-01-19  Tomas Bily  <tbily@suse.cz>
12688         * cgraphunit.c (cgraph_finalize_function): Updating of pid
12689         * tree-profile.c:
12690         (tree_init_ic_make_global_vars): New function
12691         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
12692         (tree_gen_ic_profiler): New function
12693         (tree_gen_ic_func_profiler): New function
12694         (tree_profiling): Added calling of tree_gen_ic_func_profiler
12695         (tree_profile_hooks): Added hook for indirec/virtual calls
12696         * value-prof.c (tree_find_values_to_profile): New case for
12697         indirect calls
12698         (tree_values_to_profile): Call for determining indirect/virtual
12699         counters
12700         (tree_indirect_call_to_profile): New function
12701         (tree_ic_transform): New function
12702         (tree_ic): New function
12703         (find_func_by_pid): New function
12704         (init_pid_map): New function
12705         (tree_value_profile_transformations): Added check for
12706         indirect/virtual call transformation
12707         * value-prof.h (enum hist_type): New counter type for
12708         indirect/virtual calls
12709         (profile_hooks): Added new hook for profiling indirect/virtual
12710         calls
12711         * profile.c (instrument_values): New case for indirect/virtual
12712         call added
12713         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
12714         (GCOV_COUNTER_V_INDIR): New counter type
12715         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
12716         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
12717         call added
12718         * cgraph.c: Definition of cgraph_max_pid
12719         (cgraph_create_node): Default init of pid attribute
12720         * cgraph.h: Declaration of cgraph_max_pid
12721         (struct cgraph_node): Added pid attribute
12722         * libgcov.c (__gcov_indirect_call_profiler): New function
12723         (__gcov_one_value_profiler_body): New function
12724         (__gcov_one_value_profiler): Body was moved to
12725         __gcov_one_value_profiler_body and calls it
12727 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
12729         * doc/gty.texi (Options): Document the mark_hook option to GTY.
12730         * gengtype.c (write_types_data, write_func_for_structure,
12731         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
12732         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
12733         (walk_type, write_func_for_structure): Generate the mark_hook if
12734         needed.
12736 2007-01-19  Jan Hubicka  <jh@suse.cz>
12738         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
12739         'early' argument take inlining mode argument specifying whether to
12740         inline for size/speeed or all functions; add support for flattening;
12741         improve dumpting.
12742         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
12744 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12746         PR c++/17947
12747         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
12748         the name of the declared identifier.
12750 2007-01-19  Dirk Mueller  <dmueller@suse.de>
12752         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
12753         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
12754         duplicate evaluation.
12756 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
12758         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
12759         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
12760         to XFMode, use acosxf2 and truncate result to requested mode.
12761         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
12762         (asin<mode>2): Similarly, with asin expanders.
12763         (*fscalexf4_i387): Rename from *fscalexf4.
12764         (expNcorexf3): New expander.
12765         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
12766         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
12767         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
12768         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
12769         patterns for SSE math.
12770         (exp10<mode>2): Similarly, with exp10 expanders.
12771         (exp2<mode>2): Similarly, with exp2 expanders.
12772         (expm1<mode>2): Similarly, with expm1 expanders.
12773         (ldexp<mode>3): Similarly, with ldexp expanders.
12774         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
12775         Use gen_truncxf<mode>2_i387_noop to truncate result.
12777 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12779         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
12780         for ColdFire targets.
12782 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
12783             Richard Sandiford  <richard@codesourcery.com>
12785         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
12786         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
12787         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
12788         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
12789         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
12790         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
12792 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12794         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
12795         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
12796         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
12797         (*adddi_dilshr32_cf): New pattern.
12798         (adddi3, subdi3): Remove first alternatives.
12800 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12802         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
12803         implemented using move.l, do not use its cc result for floating-point
12804         comparisons.
12806 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12808         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
12809         from accepting 's' constraints if flag_pic.
12811 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12813         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
12814         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
12815         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
12816         condition from TARGET_68881 to TARGET_HARD_FLOAT.
12818 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
12820         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
12821         ColdFire alternatives.
12822         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
12823         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
12824         architectures that support ff1 instruction.
12826 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12827             Julian Brown  <julian@codesourcery.com>
12829         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
12830         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
12831         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
12832         Add commentary.
12834 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12836         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
12837         and return a bool.
12838         (output_move_const_into_data_reg, output_move_simode_const): Delete.
12839         * config/m68k/m68k.c (const_method, const_int_cost): Take a
12840         HOST_WIDE_INT instead of an rtx.
12841         (m68k_rtx_costs): Update call accordingly.
12842         (output_move_const_into_data_reg): Likewise.  Fix formatting.
12843         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
12844         Return a bool.
12845         (output_move_simode_const): Update calls after above changes.
12846         Rework to use automatic variables and predicates like MEM_P.
12847         * config/m68k/m68k.md (pushexthisi_const): Update call to
12848         valid_mov3q_const.
12850 2007-01-19  Dirk Mueller  <dmueller@suse.de>
12852         * tree-ssa-alias.c (perform_var_substitution): Fix typo
12853         in dump_flags test.
12855 2007-01-19  Richard Guenther  <rguenther@suse.de>
12857         * builtins.c (expand_builtin_cexpi): Fall back to expanding
12858         via cexp in case sincos is not available.
12860 2007-01-19  Richard Guenther  <rguenther@suse.de>
12862         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
12863         * defaults.h (TARGET_HAS_SINCOS): Default to off.
12864         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
12865         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
12866         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
12867         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
12868         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
12869         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
12871 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
12873         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
12874         New insn patterns.
12875         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
12876         (atan2xf3): Directly generate RTL pattern.
12877         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
12878         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
12879         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
12880         disable patterns for SSE math.
12881         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
12882         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
12883         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
12884         disable patterns for SSE math.
12886 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
12888         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
12890 2007-01-18  Roger Sayle  <roger@eyesopen.com>
12892         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
12893         VIEW_CONVERT_EXPR to the same type as it's operand.
12895 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
12897         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
12898         configured for long double 128.
12900 2007-01-18  Mike Stump  <mrs@apple.com>
12902         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
12903         error.
12905 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
12907         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
12908         type correct.
12910 2007-01-18  Jan Hubicka  <jh@suse.cz>
12912         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
12913         greater than NUM_VOP_FREE_BUCKETS.
12915 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
12917         * tree-ssa-structalias.c: Update comments.
12918         (ptabitmap_obstack): Removed.
12919         (pta_obstack): New.
12920         (oldpta_obstack): Ditto.
12921         (stats): Add a few members.
12922         (struct variable_info): Remove node, complex, address_taken, and
12923         indirect_target members. Add oldsolution member.
12924         (new_var_info): Do not initialize removed members.
12925         (constraint_expr_type): Remove INCLUDES.
12926         (constraint_graph): Add size, implicit_preds, rep,
12927         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
12928         (FIRST_REF_NODE): New macro.
12929         (LAST_REF_NODE): Ditto.
12930         (FIRST_ADDR_NODE): Ditto.
12931         (find): New function.
12932         (unite): Ditto.
12933         (dump_constraint): Do not handle INCLUDES.
12934         (insert_into_complex): Do not insert duplicate constraints.
12935         (condense_varmap_nodes): Renamed and rewritten into ...
12936         (merge_node_constraints): This. Also fix bug in handling of
12937         offseted copy constraints.
12938         (clear_edges_for_node): No longer need to deal with preds at all,
12939         or removing associated preds/succs.
12940         (merge_graph_nodes): Deal with indirect_cycles.
12941         Don't deal with predecessors.
12942         (add_implicit_graph_edge): New function.
12943         (add_pred_graph_edge): Ditto.
12944         (add_graph_edge): Don't deal with predecessors.
12945         (build_constraint_graph): Removed.
12946         (build_pred_graph): New function.
12947         (build_succ_graph): Ditto.
12948         (struct scc_info): Removed in_component. Added roots, dfs, and
12949         node_mapping. Remove visited_index, unification_queue.
12950         (scc_visit): Deal with union-find we do now.
12951         Deal with cycles with REF nodes.
12952         (collapse_nodes): Renamed and rewritten to ...
12953         (unify_nodes): This.
12954         (process_unification_queue): Removed.
12955         (topo_visit): Cleanup
12956         (do_da_constraint): Use find.
12957         (do_sd_constraint): Ditto.
12958         (do_ds_constraint): Ditto.
12959         (do_complex_constraint): Ditto.
12960         (init_scc_info): Update for removed and added members.
12961         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
12962         (find_indirect_cycles): This.
12963         (equivalence_class): New variable.
12964         (label_visit): New function.
12965         (perform_variable_substitution): Rewritten.
12966         (free_var_substitution_info): New function.
12967         (find_equivalent_node): Ditto.
12968         (move_complex_constraints): Ditto.
12969         (eliminate_indirect_cycles): Ditto.
12970         (solve_graph): Only propagate changed bits.
12971         Use indirect cycle elimination.
12972         Use find.
12973         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
12974         (tree_id_eq): Renamed to ...
12975         (tree_vi_eq): This. Update for member change
12976         (insert_id_for_tree): Renamed and rewritten to ...
12977         (insert_vi_for_tree): This.
12978         (lookup_id_for_tree): Renamed and rewritten to ...
12979         (lookup_vi_for_tree): This.
12980         (get_id_for_tree): Renamed and rewritten to ...
12981         (get_vi_for_tree): Ditto.
12982         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
12983         (process_constraint): Don't handle INCLUDES.
12984         Remove special ADDRESSOF case.
12985         (find_func_aliases): Rewrite to use vi functions instead of id
12986         ones.
12987         (create_function_info_for): Ditto.
12988         (create_variable_info_for): Ditto.
12989         (intra_create_variable_infos): Ditto.
12990         (merge_smts_into): Ditto.
12991         (find_what_p_points_to): Ditto.
12992         (init_base_vars): Ditto.
12993         (init_alias_vars): Ditto.
12994         (remove_preds_and_fake_succs): New function.
12995         (dump_sa_points_to_info): Dump new stats.
12996         (dump_solution_for_var): Use find.
12997         (set_used_smts): Fix formatting.
12998         (compute_points_to_sets): Updated for new functions.
12999         (ipa_pta_execute): Ditto.
13001 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
13002             Richard Sandiford  <richard@codesourcery.com>
13004         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
13005         parallels.
13006         * calls.c (expand_call): If the return value is a PARALLEL,
13007         extract its first member.
13008         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
13009         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
13010         use FUNCTION_EXTRA_EPILOGUE.
13011         (m68k_function_value): Return a PARALLEL if the return value
13012         is of a pointer type.
13013         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
13014         (FUNCTION_EXTRA_EPILOGUE): Remove.
13015         * config/m68k/m68k.md (D0_REG): New constant.
13017 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
13019         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
13020         output a NOP for empty epilogues.
13022 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
13024         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
13025         before function.  Extend register save check to include all
13026         registers, not just integer ones.
13028 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
13030         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
13031         (m68k_use_return_insn): ...this.
13032         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
13033         * config/m68k/m68k.c (use_return_insn): Rename to...
13034         (m68k_use_return_insn): ...this.
13035         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
13036         of USE_RETURN_INSN.
13038 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
13040         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
13041         nearest even, fix denormal rounding overflow.
13043 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
13045         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
13046         f%$smove and f%$move.
13047         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
13048         (extendsfdf2_cf): Use fdmove instead of f%&move.
13049         (truncdfsf2_cf): Use fsmove instead of f%$smove.
13050         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
13052 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
13054         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
13055         GPR<-GPR moves.
13057 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
13059         * real.h (real_format): Add a canonical_nan_lsbs_set field.
13060         (coldfire_single_format): Declare.
13061         (coldfire_double_format): Likewise.
13062         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
13063         of qnan_msb_set to determine the lower bits of a canonical
13064         NaN significand.
13065         (encode_ieee_double): Likewise.
13066         (encode_ieee_quad): Likewise.
13067         (ieee_single_format): Initialize canonical_nan_lsbs_set.
13068         (mips_single_format): Likewise.
13069         (ieee_double_format): Likewise.
13070         (mips_double_format): Likewise.
13071         (ieee_extended_motorola_format): Likewise.
13072         (ieee_extended_intel_96_format): Likewise.
13073         (ieee_extended_intel_128_format): Likewise.
13074         (ieee_extended_intel_96_round_53_format): Likewise.
13075         (ibm_extended_format): Likewise.
13076         (mips_extended_format): Likewise.
13077         (ieee_quad_format): Likewise.
13078         (mips_quad_format): Likewise.
13079         (vax_f_format): Likewise.
13080         (vax_d_format): Likewise.
13081         (vax_g_format): Likewise.
13082         (i370_single_format): Likewise.
13083         (i370_double_format): Likewise.
13084         (decimal_single_format): Likewise.
13085         (decimal_double_format): Likewise.
13086         (decimal_quad_format): Likewise.
13087         (c4x_single_format): Likewise.
13088         (c4x_extended_format): Likewise.
13089         (real_internal_format): Likewise.
13090         (coldfire_single_format): New real_format.
13091         (coldfire_double_format): Likewise.
13092         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
13093         canonical_nan_lsbs_set.
13094         (pdp11_d_format): Likewise.
13095         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
13096         if TARGET_COLDFIRE_CPU.
13098 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
13100         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
13101         (output_call, m68k_legitimize_call_address): Declare.
13102         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
13103         parenthesees.  Add support for a 'W' constraint.
13104         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
13105         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
13106         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
13107         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
13108         variables.
13109         (override_options): Initialize them.  Do not set flag_no_function_cse
13110         for TARGET_ID_SHARED_LIBRARY.
13111         (m68k_output_pic_call): Delete.
13112         (m68k_legitimize_call_address): New function.
13113         (print_operand): Remove the %o prefix.  Handle the %p prefix.
13114         (output_call): New function.
13115         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
13116         target address from the GOT if symbolic jumps are not allowed.
13117         * config/m68k/m68k.md (call, general_operand): Do not set
13118         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
13119         Merge separate flag_pic and !flag_pic define_insns into...
13120         (*call, *call_value): ...these new patterns.  Match the address
13121         rather than the containing MEM and require it to be a call_operand.
13122         Use output_call to generate the asm template.
13123         * config/m68k/predicates.md (const_call_operand): New predicate.
13124         (call_operand): Likewise.
13126 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
13128         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
13129         (STACK_GROWS_DOWNWARD): Define to 1.
13130         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
13131         comments, emphasizing that these values are only defaults.
13132         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
13133         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
13135 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
13137         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
13139 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
13140             Richard Sandiford  <richard@codesourcery.com>
13142         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
13143         (FP_REGNO_P): New macros.
13144         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
13145         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
13146         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
13147         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
13149 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
13151         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
13152         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
13153         to $tmake_file.
13154         * config/m68k/t-floatlib: New file, extracting common code from...
13155         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
13156         * config/m68k/t-uclinux: Here.
13157         * config/m68k/fpgnulib.c: Do not compile extendeed precision
13158         routines on ColdFire targets.
13160 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
13162         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
13163         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
13164         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
13165         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
13166         explicitly set MOTOROLA to 1.
13167         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
13169 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
13170             Nathan Sidwell  <nathan@codesourcery.com>
13172         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
13173         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
13174         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
13175         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
13176         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
13177         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
13178         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
13179         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
13180         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
13181         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
13182         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
13183         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
13184         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
13185         (DBX_REGISTER_NUMBER): Delete.
13186         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
13187         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
13188         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
13190 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
13192         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
13193         * config/flat.h: New file.
13194         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
13195         OBJECT_FORMAT_FLAT.
13196         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
13197         indirect references for -msep-data or -mid-shared-library.
13198         Do not use PC-relative code addresses either.
13199         * config/m68k/m68k.c (override_options): Restrict -fPIC error
13200         to -mpcrel.
13201         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
13202         for shared libraries and crt1.o for executables.  Use crti.o and
13203         crtbegin.o.
13204         (ENDFILE_SPEC): Use crtend.o and crtn.o.
13205         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
13206         Do not add -elf2flt or -shared-lib-id options here.
13207         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
13208         Pass -shared-lib-id if -mid-shared-library, taking the library
13209         identifier from -mshared-library-id if given, otherwise
13210         defaulting to 0.
13211         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
13212         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
13213         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
13214         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
13215         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
13216         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
13217         and crtend.o.
13218         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
13219         jump sequence for ISA A and ISA A+.
13220         (PICJUMP): Likewise.
13222 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
13224         * config.gcc (m68k-*-uclinux*): Base the port on the common
13225         and m68k GNU/Linux files rather than on the generic ELF ones.
13226         * config/m68k/uclinux.h (TARGET_VERSION): Override.
13227         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
13229 2007-01-18  Julian Brown  <julian@codesourcery.com>
13230             Richard Sandiford  <richard@codesourcery.com>
13232         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
13233         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
13234         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
13235         before redefining.
13236         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
13237         80 unconditionally.
13238         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
13240 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
13242         * doc/install.texi: Document m68k-uclinuxoldabi.
13243         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
13244         * config/m68k/uclinux-oldabi.h: New file, copied from
13245         config/m68k/uclinux.h.
13247 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
13249         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
13250         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
13251         (m32r_compute_frame_size): Use unsigned for regno.
13252         (m32r_reload_lr): Use gen_frame_mem.
13253         (pop): New.
13254         (m32r_output_function_epilogue): Don't output the function epilogue
13255         textually here.
13256         (m32r_expand_epilogue): New.
13257         (direct_return): Return false if the function has the interrupt
13258         attribute.
13259         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
13260         * config/m32r/m32r.md (epilogue): New expander.
13261         (return_lr, return_rte): New insns.
13262         (return): Make it expander.
13263         (return_normal): New expander.
13265 2007-01-18  Josh Conner  <jconner@apple.com>
13267         PR target/30485
13268         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
13269         support for UNLE, UNLT, UNGE, and UNGT.
13271 2007-01-18  Jan Hubicka  <jh@suse.cz>
13273         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
13274         * tree-tailcall (add_virtual_phis): Likewise.
13275         (optimize_tail_call): Return TODOs.
13276         (execute_tail_calls): Return TODOs.
13277         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
13278         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
13279         changed.
13280         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
13281         Cleanup cfg using TODO.
13282         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
13283         * passes.c (execute_function_todo): When cleanup did something, remove
13284         unused locals.
13285         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
13286         (make_edges): Don't cleanup_cfg.
13288 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
13290         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
13291         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
13292         operate on the top of stack.
13293         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
13294         register handling of instructions that output to the second
13295         stack slot.
13296         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
13297         (move_for_stack_reg): Special-case check for dead destination
13298         stack slot for constant load of 1.0 inside UNSPEC_TAN.
13300         * config/i386/i386.md (UNSPEC_TAN): New constant.
13301         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
13302         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
13303         to correctly model move of constant 1.0 to top stack slot.
13304         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
13305         (unnamed peephole2 pattern): Remove corresponding peephole2
13306         pattern that optimizes tan insn and loading of constant 1.0.
13307         (tanxf2): Use fptanxf4_i387.
13308         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
13309         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
13310         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
13311         disable patterns for SSE math.
13312         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
13313         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
13315 2007-01-18  Dirk Mueller  <dmueller@suse.de>
13316             Richard Guenther <rguenther@suse.de>
13318         PR diagnostic/8268
13319         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
13320         * common.opt (Warray-bounds): Add new warning option.
13321         * c-opts.c (c_common_handle_option): Define -Warray-bounds
13322         if -Wall is given.
13323         * Makefile.in: make tree-vrp.o depend on toplev.h
13324         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
13325         is enabled.
13326         (check_array_refs, check_array_bounds, check_array_ref): New.
13328 2007-01-18  Jan Hubicka  <jh@suse.cz>
13330         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
13331         (execute_ssa_ccp): Return flags conditionally.
13332         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
13333         changed.
13334         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
13336 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
13338         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
13339         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
13341         * Makefile.c (GTFILES): Add cfglayout.h.
13342         * gengtype.c (open_base_files): Likewise.
13343         * cfglayout.c (cfg_layout_function_footer,
13344         cfg_layout_function_header) Reindent to make gengtype happy.
13345         * cfglayout.h (cfg_layout_function_footer,
13346         cfg_layout_function_header): Add GTY(()) marker.
13348         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
13350 2007-01-18  Ben Elliston  <bje@au.ibm.com>
13352         * genautomata.c (write_automata): Include xstrerror output in the
13353         error message if writing the DFA description file fails.
13355 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
13357         * config/mips/mips-protos.h (mips_output_external): Make it
13358         return void.
13359         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
13360         * config/mips/mips.c (irix_output_external_libcall): Likewise.
13361         (extern_list): Likewise.
13362         (extern_head): Likewise.
13363         (TARGET_ASM_FILE_END): Likewise.
13364         (mips_file_end): Likewise.
13365         (mips_output_external): Rewritten.
13367 2007-01-18  Ben Elliston  <bje@au.ibm.com>
13369         * genpreds.c (write_insn_preds_c): Only write out the function
13370         body for regclass_for_constraint if we have register constraints.
13372 2007-01-17  Tom Tromey  <tromey@redhat.com>
13374         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
13375         * doc/install.texi (Testing): Use sourceware.org.
13376         (Binaries): Likewise.
13377         (Specific): Likewise.
13378         * doc/contrib.texi (Contributors): Use sourceware.org.
13380 2007-01-17  Anatoly Sokolov <aesok@post.ru>
13382         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
13383         (AVR_ENHANCED): Rename to ...
13384         (AVR_HAVE_MUL): ... new.
13385         (avr_enhanced_p): Rename to ...
13386         (avr_have_mul_p): ... new.
13387         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
13388         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
13389         * config/avr/avr.c (avr_enhanced_p): Rename to ...
13390         (avr_have_mul_p): ... new.
13391         (base_arch_s): Rename 'enhanced' to 'have_mul'.
13392         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
13393         'avr_enhanced_p' and 'enhanced'.
13394         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
13395         AVR_HAVE_MUL instead of AVR_ENHANCED.
13396         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
13397         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
13398         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
13399         instead of AVR_ENHANCED.
13400         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
13401         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
13402         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
13404 2007-01-17  Ian Lance Taylor  <iant@google.com>
13406         * vec.h (VEC_reserve_exact): Define.
13407         (vec_gc_p_reserve_exact): Declare.
13408         (vec_gc_o_reserve_exact): Declare.
13409         (vec_heap_p_reserve_exact): Declare.
13410         (vec_heap_o_reserve_exact): Declare.
13411         (VEC_OP (T,A,reserve_exact)): New static inline function, three
13412         versions.
13413         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
13414         negative parameter.
13415         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
13416         (VEC_OP (T,A,copy)) [all versions]: Likewise.
13417         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
13418         * vec.c (calculate_allocation): Add exact parameter.  Change all
13419         callers.
13420         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
13421         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
13422         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
13423         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
13424         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
13425         (vec_heap_p_reserve_exact): New function.
13426         (vec_heap_o_reserve_exact): New function.
13428 2007-01-17  Jan Hubicka  <jh@suse.cz>
13430         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
13432 2007-01-17  Eric Christopher  <echristo@apple.com>
13434         * config.gcc: Support core2 processor.
13436 2007-01-16  Jan Hubicka  <jh@suse.cz>
13438         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
13439         the names, just unlink the chain so we don't crash on dangling pointers
13440         to dead SSA names.
13442 2007-01-16  Jan Hubicka  <jh@suse.cz>
13444         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
13445         * tree-pass.h: Reorder to make IPA passes appear toegher.
13446         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
13447         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
13448         parameters, do not call early inliner.
13449         * ipa-inline.c: Update comments.  Include tree-flow.h
13450         (cgraph_decide_inlining): Do not compute inlining parameters.
13451         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
13452         be called with function context set up.
13453         (pass_ipa_inline): Remove unreachable functions before pass.
13454         (cgraph_early_inlining): Simplify assuming to be called from the
13455         PM as local pass.
13456         (pass_early_inline): New pass.
13457         (cgraph_gate_ipa_early_inlining): New gate.
13458         (pass_ipa_early_inline): Turn into simple wrapper.
13459         (compute_inline_parameters): New function.
13460         (gate_inline_passes): New gate.
13461         (pass_inline_parameters): New pass.
13462         (apply_inline): Move here from tree-optimize.c
13463         (pass_apply_inline): New pass.
13464         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
13465         transforming.
13466         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
13467         doing them by hand.
13468         (tree_function_versioning): Do not allocate dummy struct function.
13469         * tree-inline.h (optimize_inline_calls): Update prototype.
13470         * tree-optimize.c (execute_fixup_cfg): Export.
13471         (pass_fixup_cfg): Remove
13472         (tree_rest_of_compilation): Do not apply inlines.
13473         * tree-flow.h (execute_fixup_cfg): Declare.
13474         * Makefile.in (gt-passes.c): New.
13475         * passes.c: Include gt-passes.h
13476         (init_optimization_passes): New passes.
13477         (nnodes, order): New static vars.
13478         (do_per_function_toporder): New function.
13479         (execute_one_pass): Dump current pass here.
13480         (execute_ipa_pass_list): Don't dump current pass here.
13482 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
13484         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
13485         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
13487 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
13489         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
13490         (strong_alias): Define.
13491         (__gcc_qmul): Provide non-FMA for soft-float.
13492         (__gcc_qdiv): Same.
13493         (__gcc_qneg): New.
13494         (__gcc_qeq): New.
13495         (__gcc_qle): New.
13496         (__gcc_qge): New.
13497         (__gcc_qunord): New.
13498         (__gcc_stoq): New.
13499         (__gcc_dtoq): New.
13500         (__gcc_qtos): New.
13501         (__gcc_qtod): New.
13502         (__gcc_qtoi): New.
13503         (__gcc_qtou): New.
13504         (__gcc_itoq): New.
13505         (__gcc_utoq): New.
13506         (fmsub): New.
13507         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
13508         soft-float functions.
13509         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
13510         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
13511         about long double soft float.
13513 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
13514             Tehila Meyzels  <tehila@il.ibm.com>
13516         * tree-vectorizer.h (is_pattern_stmt_p): New.
13517         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
13518         formatting (tabs instead of spaces). Cleanup and clarify setting
13519         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
13520         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
13521         (vectorizable_type_demotion): Check that types are integral.
13522         (vectorizable_type_promotion): Likewise.
13523         (vectorizable_store): Fix typo.  Eliminate new-line at end of
13524         comments.
13526 2007-01-16  Jan Hubicka  <jh@suse.cz>
13528         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
13529         cgraph edges too.
13531 2007-01-15  Eric Christopher  <echristo@apple.com>
13533         * ifcvt.c: Include vec.h, vecprim.h.
13534         (check_cond_move_block): New argument regs.
13535         Reorganize. Add registers used to regs.
13536         (cond_move_process_if_block): Use regs set above as
13537         loop bounds.
13539 2007-01-15  Eric Christopher  <echristo@apple.com>
13541         * config/darwin.h: Update copyright.
13542         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
13543         (LINK_COMMAND_SPEC): Add -u.
13544         (LINK_SPEC): Fix umbrella for above.
13546 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
13548         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
13549         glibc CVS.
13551 2007-01-15  Tom Tromey  <tromey@redhat.com>
13553         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
13554         * doc/install.texi (Testing): Don't mention jacks.
13555         (Configuration): Document --enable-java-maintainer-mode.  Move
13556         --with-java-home to libgcj-specific section.  Document
13557         --with-ecj-jar.
13558         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
13560 2007-01-15  Jan Hubicka  <jh@suse.cz>
13562         * tree-ssa-dce.c (DCE_TODOs): New.
13563         (propagate_necessity): Return if something changed.
13564         (eliminate_unnecessary_stmts): Likewise.
13565         (perform_tree_ssa_dce): Return TODO flags when needed.
13566         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
13568 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
13570         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
13571         (fyl2x_extend<mode>xf3_i387): New insn pattern.
13572         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
13573         patterns using X87MODEF12 mode macro.  Extend operand 1
13574         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
13575         (log10<mode>2): Ditto.
13576         (log2<mode>2): Ditto.
13577         (log1p<mode>2): Ditto.
13578         (logb<mode>2): Ditto.
13579         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
13580         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
13581         (*fxtractxf3_i387): Rename from *fxtractxf3.
13582         (fxtract_extend<mode>xf3_i387): New insn pattern.
13583         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
13584         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
13585         and gen_fyl2xxf3_i387().
13587 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
13589         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
13590         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
13591         get_loop_exit_edges.  Changed return type to bool.
13592         * cfgloop.h (fix_loop_placement): Declaration removed.
13594 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
13596         * param.h (MIN_VECT_LOOP_BOUND): New.
13597         * params.def (MIN_VECT_LOOP_BOUND): New.
13598         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
13599         argument - minimum threshold for number of iterations.
13600         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
13601         argument to declaration.
13602         * tree-vect-analyze.c (vect_analyze_operations): Check value of
13603         MIN_VECT_LOOP_BOUND.
13604         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
13605         slpeel_tree_peel_loop_to_edge with additional argument.
13606         (vect_do_peeling_for_alignment): Likewise.
13607         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
13609 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
13611         PR target/30413
13612         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
13613         operands of size 1.
13615 2007-01-14  Jan Hubicka  <jh@suse.cz>
13617         * tree-dfa.c (remove_referenced_var): New function.
13618         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
13619         prune referenced vars list too.
13620         * tree-flow.h (remove_referenced_var): Declare.
13622 2007-01-14  Jan Hubicka  <jh@suse.cz>
13624         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
13625         separately.
13626         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
13627         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
13628         * except.h (verify_eh_throw_table_statements): Kill prototype.
13629         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
13630         into call exrepssions.
13631         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
13632         eh trhow verifier.
13633         * tree-cfg.c: Include pointer-set.h.
13634         (verify_node_sharing): Work on pointer set.
13635         (verify_eh_throw_stmt_node): New.
13636         (verify_stmts): Use pointers sets, verify throw_stmt.
13638 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
13640         * ipa-reference.c (analyze_function): Consider also addresses taken
13641         in phi nodes.
13643 2007-01-12  Roger Sayle  <roger@eyesopen.com>
13645         * c-typeck.c (null_pointer_constant_p): Replace use of
13646         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
13647         (build_c_cast): Likewise.
13649 2007-01-12  Roger Sayle  <roger@eyesopen.com>
13651         * tree.h (force_fit_type_double): Remove unused final argument.
13652         * c-common.c (constant_expression_warning): Replace use of
13653         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
13654         (convert_and_check): Likewise.
13655         (shorten_compare): Update call to force_fit_type_double.
13656         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
13657         * convert.c (convert_to_pointer): Update call to
13658         force_fit_type_double.
13659         * fold-const.c (force_fit_type_double): Remove overflowed_const
13660         argument.
13661         (int_const_binop, fold_convert_const_int_from_int,
13662         fold_convert_const_int_from_real, fold_div_compare,
13663         fold_sign_changed_comparison, fold_unary, fold_negate_const,
13664         fold_abs_const, fold_not_const): Remove the final argument from
13665         calls to force_fit_type_double.
13667 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13669         * configure.ac: Set insn to "nop" for spu-*-* also.
13670         * configure: Regenerate.
13672 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
13674         * builtins.def : Add BUILT_IN_FREE.
13676 2007-01-12  Jan Hubicka  <jh@suse.cz>
13678         PR tree-optimization/30443
13679         * tree-inline.c (tree_function_versioning): Do not optimize when
13680         cloning for inlining.
13682 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
13684         * doc/loop.texi: Document recording of loop exits.
13685         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
13686         (update_single_exits_after_duplication,
13687         update_single_exit_for_duplicated_loop,
13688         update_single_exit_for_duplicated_loops): Removed.
13689         (duplicate_loop_to_header_edge): Do not call
13690         update_single_exits_after_duplication and
13691         update_single_exit_for_duplicated_loops.
13692         (loop_version): Do not update single_exit information.
13693         (fix_loop_structure): Use record_loop_exits instead of
13694         mark_single_exit_loops.
13695         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
13696         the lists of loop exits.
13697         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
13698         split_edge, merge_blocks): Update the lists of loop exits.
13699         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
13700         loop_optimizer_init.
13701         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
13702         of mark_single_exit_loops.
13703         (loop_optimizer_finalize): Call release_recorded_exits.
13704         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
13705         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
13706         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
13707         update single exit information.
13708         * lambda-code.c (perfect_nestify): Ditto.
13709         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
13710         (mark_single_exit_loops): Removed.
13711         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
13712         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
13713         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
13714         functions.
13715         (get_loop_exit_edges, single_exit): Use recorded exit lists.
13716         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
13717         (verify_loop_structure): Verify consistency of the exit lists.
13718         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
13719         (set_single_exit): Removed.
13720         * cfgloop.h (struct loop_exit): New function.
13721         (struct loop): single_exit_ field replaced by exits field.
13722         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
13723         (struct loops): Added exits hash.
13724         (mark_single_exit_loops, set_single_exit): Declaration removed.
13725         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
13727 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13729         * doc/invoke.texi: Avoid use of @headitem.
13731 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13733         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
13735 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13737         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
13738         list of targets.
13740 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
13741             Richard Sandiford  <richard@codesourcery.com>
13743         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
13744         * config/m68k/m68k.opt: Resort options.
13745         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
13747 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
13748             Richard Sandiford  <richard@codesourcery.com>
13750         * doc/invoke.texi: Document the macros that are defined by
13751         m68k's -mtune and -mhard-float options.
13752         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
13753         (m68k_cpp_cpu_family): Likewise.
13754         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
13755         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
13756         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
13757         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
13758         (m68k_cpp_cpu_family): Likewise.
13760 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13762         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
13763         macros besides mc68000 as tuning macros.  Use a switch statement
13764         to set them and mcpu32.
13766 2007-01-12  Julian Brown  <julian@codesourcery.com>
13768         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
13769         (TARGET_68040_ONLY): Rename to...
13770         (TARGET_68040): ...this.
13771         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
13772         * config/m68k/m68k.md: Likewise.
13774 2007-01-12  Julian Brown  <julian@codesourcery.com>
13775             Nathan Sidwell  <nathan@codesourcery.com>
13776             Richard Sandiford  <richard@codesourcery.com>
13778         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
13779         the -mcpu= argument associated with the --with-cpu setting.
13780         Define M68K_DEFAULT_TUNE to the default -mtune= option,
13781         if different from the one implied by the -mcpu setting.
13782         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
13783         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
13784         * doc/invoke.texi: Mention ColdFire in the introduction to the
13785         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
13786         -mno-div and -mhard-float options.  Make -m68881 a synonym for
13787         -mhard-float.  Document the previously-undocumented -m5206e,
13788         -m528x, -m5307 and -m5407 options.  Tweak the existing option
13789         documentation for consistency.
13790         * doc/install.texi: Mention new --with-cpu arguments.
13791         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
13792         default CPU if neither -mcpu nor -march are specified.
13793         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
13794         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
13795         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
13796         using m68k_tune to decide between families that implement the
13797         same ISA.  Use m68k_tune to set __mcfv4e__.
13798         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
13799         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
13800         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
13801         (FL_ISA_C, FL_ISA_MMU): New macros.
13802         (MASK_COLDFIRE): Delete.
13803         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
13804         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
13805         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
13806         (TARGET_HARD_FLOAT): Do not define here.
13807         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
13808         (TUNE_68000): New macro.
13809         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
13810         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
13811         (TUNE_CFV2): Redefine in terms of m68k_tune.
13812         (uarch_type, target_device, fpu_type): New enums.
13813         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
13814         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
13815         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
13816         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
13817         (FL_FOR_isa_c): New macros.
13818         (m68k_isa): New enum.
13819         (m68k_target_selection): New structure.
13820         (all_devices, all_isas, all_microarchs): New tables.
13821         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
13822         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
13823         (MASK_ALL_CPU_BITS): Delete.
13824         (m68k_find_selection): New function.
13825         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
13826         Map the legacy target options to a combination of the new ones.
13827         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
13828         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
13829         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
13830         settings.
13831         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
13832         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
13833         properties.
13834         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
13835         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
13836         * config/m68k/m68k-devices.def: New file.
13838 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13839             Nathan Sidwell  <nathan@codesourcery.com>
13841         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
13842         (SUBTARGET_EXTRA_SPECS): New macros.
13843         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
13844         use %(asm_cpu_spec) instead.
13845         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
13846         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
13847         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
13848         (EXTRA_SPECS): Rename to...
13849         (SUBTARGET_EXTRA_SPECS): ...this.
13851 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
13852             Richard Sandiford  <richard@codesourcery.com>
13853             Julian Brown  <julian@codesourcery.com>
13855         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
13856         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
13857         to the configuration's default CPU.
13858         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
13859         Remove default masks.
13860         (m680[012]0-*-*): Set the default with_cpu to the first part of
13861         the target name.
13862         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
13863         (m68k*-*-linux): Extend the --with-cpu handling to...
13864         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
13865         and m68010.  Don't set target_cpu_default2.
13866         * doc/install.texi: Document --with-cpu for m68k.
13867         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
13868         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
13869         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
13870         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
13871         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
13872         (ASM_SPEC): Remove use of %(asm_cpu_default).
13873         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
13874         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
13875         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
13876         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
13877         __HAVE_FPU__ if TARGET_HARD_FLOAT.
13878         (TARGET_DEFAULT): Delete.
13879         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
13880         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
13881         (CPP_CPU_SPEC): Delete.
13882         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
13883         the appropriate string.
13884         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
13885         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
13886         (ASM_SPEC): Don't use %(asm_default_spec).
13887         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13888         TARGET_DEFAULT and add MASK_68881.
13889         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
13891 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13893         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
13894         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
13895         MASK_68010 alongside MASK_68020.
13896         * doc/invoke.texi: Document -m68010.
13897         * config/m68k/m68k.opt (m68010): New.
13898         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
13899         if TUNE_68010.
13900         (TUNE_68010): New macro.
13901         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
13902         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
13903         (M68K_CPU_m68332): Add MASK_68010.
13904         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
13905         fallback definition.
13906         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
13907         defines.
13908         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
13909         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
13910         to all entries that use MASK_68020.
13911         (output_move_simode_const, output_move_himode, output_move_qimode)
13912         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
13913         instead of TARGET_68020 to select clr behavior.  Remove comment
13914         about there being no TARGET_68010.
13915         * config/m68k/m68k.md: Likewise throughout.
13917 2007-01-12  Julian Brown  <julian@codesourcery.com>
13919         * config/m68k/m68k.h (TARGET_ISAB): New macro.
13920         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
13921         * config/m68k/m68k.md: Likewise.
13923 2007-01-12  Julian Brown  <julian@codesourcery.com>
13925         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
13926         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
13928 2007-01-12  Julian Brown  <julian@codesourcery.com>
13930         * config/m68k/m68k.h (TUNE_68040_60): New macro.
13931         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
13932         * config/m68k/m68k.md: Likewise.
13934 2007-01-12  Julian Brown  <julian@codesourcery.com>
13935             Richard Sandiford  <richard@codesourcery.com>
13937         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
13938         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
13939         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
13940         TARGET_CPU32.
13941         (TARGET_CPU32): Rename to...
13942         (TUNE_CPU32): ...this.
13943         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
13944         (TUNE_CFV2): New macros.
13945         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
13946         remove conditions that are implied by TARGET_68020.
13947         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
13948         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
13949         (m68k_output_function_epilogue): Likewise.
13950         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
13951         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
13952         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
13953         non-68000 timings.  Refactor multiplication and division costs.
13954         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
13955         TUNE_CPU32 instead of TARGET_CPU32.
13956         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
13957         and TUNE_68060 instead of TARGET_68060.
13958         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
13959         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
13960         TARGET_CPU32.
13961         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
13962         && !TARGET_COLDFIRE" to choose between moveq and clr.
13963         Likewise in the unnamed movsf pattern.
13964         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
13965         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
13966         ashiftrt pattern.
13968 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13970         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
13971         of tabbing before backslashes.
13973 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13975         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
13976         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
13977         (ASM_OUTPUT_INTERNAL_LABEL): Define.
13979 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
13981         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
13982         find_interesting_uses_cond.
13983         (find_interesting_uses_cond): Use extract_cond_operands.
13984         (rewrite_use_compare): Use extract_cond_operands and
13985         force_gimple_operand_bsi.  Do not call update_stmt.
13986         (determine_use_iv_cost_condition): Use extract_cond_operands.
13987         Return cheaper of using original bound and changing the exit bound.
13989 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
13991         PR tree-optimization/29516
13992         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
13993         most_expensive_mult_to_index, addr_to_parts,
13994         create_mem_ref, maybe_fold_tmr): Make the type of
13995         fields of TARGET_MEM_REF sizetype.
13996         (move_fixed_address_to_symbol, move_pointer_to_base):
13997         New functions.
13998         * tree.def (TARGET_MEM_REF): Add comment on types of
13999         the operands.
14001 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
14003         * c-common.c (vector_types_convertible_p): Treat opaque types as
14004         always convertible if they have the same size, but not otherwise.
14006 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
14008         * ifcvt.c (struct noce_if_info): Add comments to the fields.
14009         Remove the b_unconditional field.
14010         (noce_try_sign_mask): Do not look at b_unconditional.
14011         (noce_process_if_block): Do not use merge_if_blocks.  Update
14012         the CFG here.  Do not set b_unconditional.
14013         (cond_move_process_if_block): Likewise.
14014         (find_cond_trap): Likewise.
14015         (check_cond_move_block): Require simple jump insns at the end
14016         of the basic block.
14018 2007-01-11  Jan Hubicka  <jh@suse.cz>
14020         PR tree-optimization/1046
14021         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
14022         when alias info is not ready.
14023         (pass_tail_recursion): Do not require aliasing.
14024         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
14025         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
14026         * tree-ssa-copy.c (pass_copy_prop): Likewise.
14027         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
14028         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
14029         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
14030         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
14031         before inlining.
14032         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
14033         When aliasing is not build, mark statement as volatile.
14035 2007-01-11  Tom Tromey  <tromey@redhat.com>
14037         PR preprocessor/15185, PR preprocessor/20989:
14038         * doc/cppopts.texi <-MT>: Update description of algorithm for
14039         computing default target.
14040         <-M, -MD>: Reword "basename" text.
14042 2007-01-11  Roger Sayle  <roger@eyesopen.com>
14044         * builtins.c (expand_builtin_pow, expand_builtin_powi,
14045         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
14046         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
14047         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
14048         fold_builtin_bswap, real_constp, fold_builtin_pow,
14049         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
14050         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
14051         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
14052         * convert.c (convert_to_pointer): Likewise.
14053         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
14054         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
14055         const_binop, fold_convert_const_int_from_int,
14056         fold_convert_const_int_from_real,
14057         fold_convert_const_real_from_real, sign_bit_p,
14058         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
14059         fold_sign_changed_comparison, fold_unary, fold_comparison,
14060         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
14061         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
14062         * print-tree.c (print_node_brief, print_node): Likewise.
14063         * stor-layout.c (place_field, layout_type): Likewise.
14064         * tree-chrec.c (keep_cast): Likewise.
14065         * tree.c (build_vector, build_real, build_real_from_int_cst,
14066         build_complex): Likewise.
14068 2007-01-11  Roger Sayle  <roger@eyesopen.com>
14070         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
14071         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
14073 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
14075         * configure.ac (strict1_warn): Rename to strict_warn.
14076         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
14077         cc_set_by_configure, quoted_cc_set_by_configure,
14078         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
14079         all_boot_languages, all_stagestuff): Remove.
14080         (target_list): Remove bootstrap targets.
14081         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
14082         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
14083         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
14084         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
14085         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
14086         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
14087         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
14088         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
14089         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
14090         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
14091         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
14092         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
14093         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
14094         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
14095         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
14096         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
14097         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
14098         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
14099         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
14100         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
14101         (mostlyclean): Adjust.
14102         (clean, distclean): Don't mention bootstrap stuff.
14103         * configure: Regenerate.
14104         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
14105         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
14106         treelang/config-lang.in (stagestuff): Remove.
14107         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
14108         stageprofile, stagefeedback, stagestuff): Remove mention.
14110 2007-01-11  Nick Clifton  <nickc@redhat.com>
14112         * config/mcore/predicates.md (mcore_general_movesrc_operand):
14113         Accept CONSTs.
14114         (mcore_general_movdst_operand): Do not accept CONST_INTs.
14115         (mcore_arith_K_S_operand): Run the test for the S constraint not
14116         the test for the M constraint.
14117         (mcore_addsub_operand): Do not accept integer values that are
14118         larger than 32 bits.
14119         * config/mcore/mcore.md: Remove unused constraints from split.
14120         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
14121         (addsi3): Likewise.
14122         (allocate_stack): Likewise.
14123         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
14124         operands to 32 bits.
14125         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
14126         INTVAL.
14127         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
14128         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
14129         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
14130         mcore_output_bclri, mcore_output_andn, output_inline_const,
14131         mcore_output_move, mcore_output_movedouble): Likewise.
14132         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
14133         (output_inline_const): Likewise.
14134         (output_inline_const): Fix format strings used in sprintf
14135         statements.
14136         * config/mcore/mcore-protos.h: Update prototypes for changed
14137         functions in mcore.c.
14138         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
14139         HOST_WIDE_INT and not int.
14140         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
14141         CONST_OK_FOR_N): Likewise.
14142         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
14143         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
14144         an INTVAL.
14146 2007-01-10  Jan Hubicka  <jh@suse.cz>
14148         * tree-vrp.c (remove_range_assertions): Release defs.
14149         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
14150         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
14152 2007-01-10  Paul Brook  <paul@codesourcery.com>
14154         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
14155         * config/arm/arm.md (mulsi3subsi): New insn.
14157 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
14159         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
14160         (tree_transform_and_unroll_loop): New.
14161         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
14162         Declare.
14164 2007-01-10  Robert Kennedy <jimbob@google.com>
14166         * fold-const.c (fold_comparison): Fold comparisons like (x *
14167         1000 < 0) to (x < 0).
14169 2007-01-10  Ian Lance Taylor  <iant@google.com>
14171         * tree-pretty-print.c (dump_generic_node): Print parentheses when
14172         operands have the same priority.
14174 2007-01-10  Tom Tromey  <tromey@redhat.com>
14176         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
14177         (fold_binary): Likewise.
14178         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
14179         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
14180         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
14181         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
14182         * langhooks.h (struct lang_hooks): Removed field
14183         'can_use_bit_fields_p'.
14185 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
14187         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
14189 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
14191         * function.c (get_last_funcdef_no): New function.
14192         * function.h (get_last_funcdef_no): Declare.
14193         * tree-inline.c (initialize_cfun): Add initialization.
14194         (tree_function_versioning): Cleanup.
14196 2007-01-10  Jan Hubicka  <jh@suse.cz>
14198         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
14199         PHIs.
14201 2007-01-10  Sa Liu  <saliu@de.ibm.com>
14202             Ben Elliston  <bje@au.ibm.com>
14204         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
14205         for SAVE_NONLOCAL and Pmode for any other save level.
14206         * spu-protos.h (spu_restore_stack_block): Declare.
14207         * spu.md (save_stack_block): Remove.
14208         (restore_stack_block): Call spu_restore_stack_block.
14209         * spu.c (spu_restore_stack_block): New function.
14210         (spu_expand_epilogue): Remove old comment.
14212 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
14214         PR tree-optimization/30322
14215         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
14216         (cand_value_at): Return the value as aff_tree.
14217         (may_eliminate_iv): Convert the bound from aff_tree to tree.
14218         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
14219         aff_combination_mult): New functions.
14220         (aff_combination_add): Use aff_combination_add_cst.
14221         (aff_combination_convert): Allow conversions to a wider type.
14222         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
14223         * tree-affine.h (aff_combination_mult): Declare.
14225 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
14227         * doc/tm.texi: Update documentation to reflect reality of exec
14228         and start file search behaviours. Update copyright year.
14229         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
14230         header file directories.
14232 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
14234         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
14235         (*cosxf2): Rename to cosxf2_i387.
14236         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
14237         using X87MODEF12 mode macro. Rename patterns to
14238         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
14239         for SSE math.
14240         (*cosdf2, *cossf2): Ditto.
14241         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
14242         to match extended input operands.
14243         (sincos<mode>3): New expander.
14244         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
14245         insn patterns and corresponding splitters.
14247 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
14249         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
14250         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
14252 2007-01-09  Nicolas Pitre  <nico@cam.org>
14254         PR target/30173
14255         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
14257 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
14259         * target.h (struct gcc_target): New field library_rtti_comdat.
14260         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
14261         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
14262         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
14263         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
14265 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
14267         * doc/invoke.texi (Optimize Options): Correct description of -O0.
14269 2007-01-08  Richard Guenther  <rguenther@suse.de>
14271         * tree.h (force_fit_type_double): Export.
14272         (force_fit_type): Remove.
14273         * fold-const.c (force_fit_type_double): New function.
14274         (force_fit_type): Remove.
14275         (int_const_binop): Use it.
14276         (fold_convert_const_int_from_int): Likewise.
14277         (fold_convert_const_int_from_real): Likewise.
14278         (fold_div_compare): Likewise.
14279         (fold_sign_changed_comparison): Likewise.
14280         (fold_unary): Likewise.
14281         (fold_negate_const): Likewise.
14282         (fold_abs_const): Likewise.
14283         (fold_not_const): Likewise.
14284         * c-common.c (shorten_compare): Use force_fit_type_double.
14285         * convert.c (convert_to_pointer): Likewise.
14287 2007-01-08  Richard Guenther  <rguenther@suse.de>
14289         * tree.h (build_int_cst_wide_type): Export.
14290         * tree.c (build_int_cst_wide_type): New function.
14291         (build_int_cst_wide): Fix comment.
14292         * builtins.c (fold_builtin_object_size): Use build_int_cst
14293         to build -1 or 0 of the correct type.  Use fit_double_type
14294         to check for overflow.
14295         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
14296         to build the mask.
14297         (decode_field_reference): Likewise.
14298         (all_ones_mask_p): Likewise.
14299         (native_interpret_int): Use build_int_cst_wide_type.
14300         (fold_binary): Use build_int_cst_type to build an all-ones
14301         value.
14302         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
14304 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
14306         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
14308 2007-01-09  Ben Elliston  <bje@au.ibm.com>
14310         * genautomata.c (STATS_OPTION): New option.
14311         (stats_flag): New flag.
14312         (gen_automata_option): Handle it.
14313         (initiate_automaton_gen): Ditto.
14314         (write_automata): Output statistics only if stats_flag is
14315         set. Likewise, output time statistics only if time_flag is set.
14316         * doc/md.texi (Processor pipeline description): Document new flag.
14318 2007-01-08  Richard Guenther  <rguenther@suse.de>
14320         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
14321         * tree.c (build_int_cst_type): Likewise.
14322         (size_in_bytes): Don't call force_fit_type on the result.
14323         (int_fits_type_p): Use fit_double_type.
14324         * fold-const.c (fit_double_type): New function.
14325         (force_fit_type): Use it.
14326         * tree.h (fit_double_type): Export.
14328 2007-01-08  Jan Hubicka  <jh@suse.cz>
14330         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
14331         * ipa.c (function_and_variable_visibility): Fix return type.
14333 2007-01-08  Richard Guenther  <rguenther@suse.de>
14335         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
14336         of offset to build the index.
14337         * tree-pretty-print.c (dump_generic_node): Don't build negated
14338         const just for printing.
14339         * c-pretty-print.c (pp_c_integer_constant): Likewise.
14340         * builtins.c (fold_builtin_int_roundingfn): Check if result
14341         fits the type by using force_fit_type and comparing the result.
14342         * predict.c (predict_loops): Use compare_tree_int for comparison.
14343         * tree.c (build_int_cst): Fall back to integer_type_node for
14344         NULL_TREE type.
14345         (build_int_cst_wide): Assert type is non-null.
14347 2007-01-08  Roberto Costa  <roberto.costa@st.com>
14349         * tree-vrp.c (extract_range_from_cond_expr): New.
14350         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
14351         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
14352         as expressions.
14353         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
14354         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
14355         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
14356         used as expressions.
14357         * tree-object-size.c (cond_expr_object_size): New.
14358         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
14360 2007-01-08  Jan Hubicka  <jh@suse.cz>
14362         * tree-ssa-forwprop.c (forward_propagate_into_cond,
14363         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
14364         statement.
14366 2007-01-08  Richard Guenther  <rguenther@suse.de>
14368         PR tree-optimization/23603
14369         * tree-vrp.c (set_value_range_to_truthvalue): New function.
14370         (extract_range_from_binary): Fall back to truthvalue instead of
14371         varying for TRUTH_*_EXPR.
14372         (extract_range_from_comparison): Fall back to truthvalue instead of
14373         varying.
14374         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
14375         if all visited PHI values were constant.
14377 2007-01-08  Jan Hubicka  <jh@suse.cz>
14379         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
14380         (cgraph_analyze_function): break out from ...
14381         (cgraph_finalize_compilation_unit): ... here.
14382         (cgraph_expand_function): Remove forgoten commented out line.
14383         (cgraph_optimize): Analyze functions.
14385 2007-01-08  Jan Hubicka  <jh@suse.cz>
14387         * tree-pas.h (TODO_remove_function): New flag.
14388         (TODO_update*): Renumber.
14389         (pass_ipa_increase_alignment,
14390         pass_ipa_function_and_variable_visibility): New passes.
14391         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
14392         (cgraph_function_and_variable_visibility): Move to ipa.c
14393         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
14394         cgraph_increase_alignment.
14395         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
14396         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
14397         calling tree-inline.
14398         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
14399         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
14400         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
14401         (gate_increase_alignment): New function.
14402         (pass_ipa_increase_alignment): New pass.
14403         * ipa.c: Inline tree-pass.h and timevar.h
14404         (function_and_variable_visibility): Move here from cgraphunit.c
14405         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
14406         * passes.c (init_optimization_passes): Add the two new passes.
14407         (execute_todo): Handle cgraph_remove_functions.
14409 2007-01-08  Nick Clifton  <nickc@redhat.com>
14411         * config/frv/predicates.md (reg_or_0_operand): Accept
14412         CONST_DOUBLEs.
14414 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
14416         * config/bfin/rtems.h, config/bfin/t-rtems: New.
14417         * config.gcc: Add bfin*-rtems*.
14419 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
14421         * c.opt: Add -flax-vector-conversions.
14422         * c-typeck.c (convert_for_assignment): Pass flag to
14423         vector_types_convertible_p to allow emission of note.
14424         (digest_init): Likewise.
14425         * c-opts.c: Handle -flax-vector-conversions.
14426         * c-common.c (flag_lax_vector_conversions): New.
14427         (vector_types_convertible_p): Unless -flax-vector conversions
14428         has been passed, disallow conversions between vectors with
14429         differing numbers of subparts and/or element types.  If such
14430         a conversion is disallowed, possibly emit a note on the first
14431         occasion only to inform the user of -flax-vector-conversions.
14432         The new last argument specifies this.
14433         * c-common.h (flag_lax_vector_conversions): New.
14434         (vector_types_convertible_p): Add extra argument.
14435         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
14436         char_type_node for V*QI type vectors.
14437         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
14438         Update to satisfy new typechecking rules.
14439         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
14440         C and C++ variants.
14441         * doc/invoke.texi (C Dialect Options): Document
14442         -flax-vector-conversions.
14444 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
14446         PR tree-optimization/29877
14447         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
14448         a register variable on the RHS to not be replaceable.
14450 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
14451         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
14452         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
14453         const_simm15, const_pow2, const_npow2): Added.
14454         * config/score/misc.md (insv, extv, extzv, movmemsi,
14455         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
14456         * config/score/score.c (score_address_cost, score_select_cc_mode):
14457         Added.
14458         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
14459         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
14460         Update score_print_operand.
14461         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
14462         Adjust register allocate order and update some macro define.
14463         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
14464         mdx_block_move_straight, mdx_block_move_loop_head,
14465         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
14466         mdx_block_move): Added.
14467         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
14468         mdp_limm): Updated and fix some bug and typo.
14469         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
14470         (movsf, movdf, doloop_end): Added.
14472 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
14474         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
14475         config/arm/thumb2.md: Fix comment typos.
14476         * doc/extend.texi: Fix a typo.
14478 2007-01-07  Eric Christopher  <echristo@apple.com>
14480         * configure.ac: Check for __stack_chk_fail for darwin.
14481         * configure: Regenerate.
14483 2007-01-07  Richard Guenther  <rguenther@suse.de>
14485         * tree-vrp.c (extract_range_from_assert): CSE calls to
14486         compare_values where possible.
14487         (extract_range_from_unary_expr): Likewise.
14489 2007-01-07  Anatoly Sokolov <aesok@post.ru>
14491         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
14492         * config/avr/avr.c (call_insn_operand): Delete function.
14493         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
14494         instead of register number. Use predicates.
14495         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
14496         call_insn_operand): Add.
14498 2007-01-06  Jan Hubicka  <jh@suse.cz>
14500         * tree-pass.h (pass_build_cgraph_edges): Declare.
14501         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
14502         (visited_nodes): Remove.
14503         (cgraph_create_edges): Move to cgraphbuild.c; rename to
14504         build_cgrpah_edges; make visited_nodes local.
14505         (cgraph_process_new_functions): DO not call initialize_inline_failed.
14506         (record_references_in_initializer): Move to cgraphbuild.c
14507         (initialize_inline_failed, rebuild_cgraph_edges,
14508         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
14509         (verify_cgraph_node): Make visited_nodes local.
14510         (cgraph_analyze_function): Do not call cgraph_create_edges and
14511         initialize_inline_failed.
14512         (cgraph_expand_function): Do not call cgraph_lower_function;
14513         assert that function is already lowered.
14514         * Makefile.in (cgraphbuild.o): New.
14515         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
14516         at the end of lowering passes.
14518 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
14520         * ifcvt.c (cond_move_convert_if_block): New function, code
14521         factored out from...
14522         (cond_move_process_if_block): ...here.  Call the new function
14523         on the THEN and ELSE blocks.
14524         (merge_if_block): Do not copy global_live_at_end, merge_blocks
14525         already takes care of this.
14527 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14529         PR c/19978
14530         * tree.h (TREE_OVERFLOW_P): New.
14531         * c-typeck.c (parser_build_unary_op): Warn only if result
14532         overflowed and operands did not.
14533         (parser_build_binary_op): Likewise.
14534         (convert_for_assignment): Remove redundant overflow_warning.
14535         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
14537 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14539         * c-typeck.c (store_init_value): Split over two lines to follow
14540         the GNU coding style.
14542 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
14544         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
14545         __GXX_EXPERIMENTAL_CXX0X__.
14546         * doc/cpp.texi: Same.
14548 2007-01-05  Richard Guenther  <rguenther@suse.de>
14550         PR middle-end/27826
14551         * tree.c (get_narrower): Do not construct COMPONENT_REFs
14552         with mismatched types.  Instead explicitly build a
14553         conversion NOP_EXPR.
14555 2007-01-05  Ian Lance Taylor  <iant@google.com>
14557         * c-common.c (decl_with_nonnull_addr_p): New function.
14558         (c_common_truthvalue_conversion): Call it.
14559         * c-typeck.c (build_binary_op): Likewise.
14560         * c-common.h (decl_with_nonnull_addr_p): Declare.
14562 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
14564         PR c/30360
14565         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
14566         denom against 0.0.
14568 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
14570         * doc/install.texi (Final install): Document the fact that
14571         the GNAT runtime should not be stripped.
14573 2007-01-04  Jan Hubicka  <jh@suse.cz>
14575         * tree-inline.c (fold_marked_statements): Update operand caches
14576         and EH after folding
14578 2007-01-04  Ian Lance Taylor  <iant@google.com>
14580         * c-common.c (check_function_nonnull): Whitespace fix.
14582 2007-01-04  Jan Hubicka  <jh@suse.cz>
14584         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
14585         comitted older version of patch.
14586         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
14587         function, celanup cfg and collect garbage.
14589 2007-01-04  Mike Stump  <mrs@apple.com>
14591         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
14592         (clean): Likewise.
14594 2007-01-04  Eric Christopher  <echristo@apple.com>
14596         * libgcc2.c (__bswapsi2): Use SItype.
14597         (__bswapdi2): Use DItype.
14598         * libgcc2.h: Update for above.
14600 2007-01-04  Paul Brook  <paul@codesourcery.com>
14602         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
14603         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
14604         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
14605         umulsidi3, umulsidi3adddi, smulsi3_highpart,
14606         umulsi3_highpart): Make conditional on !arm_arch6.
14607         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
14608         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
14609         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
14610         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
14611         umulsi3_highpart_v6): New insns.
14613 2007-01-04  Roger Sayle  <roger@eyesopen.com>
14615         * fold-const.c (fold_convert): When casting an expression to void,
14616         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
14617         have a type.  Instead of attempting to build a NOP_EXPR, return
14618         these "special" trees directly.
14620 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
14622         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
14623         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
14624         rs6000_cost->fp not 0 as adjustment for outer NEG.
14626 2007-01-04  Jan Hubicka  <jh@suse.cz>
14628         * cgraph.c (cgraph_release_function_body): New function.
14629         (cgraph_remove_node): Use it.
14630         * cgraph.h (cgraph_release_function_body): Declare.
14631         * cgraphunit.c (cgraph_expand_function): Use it.
14632         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
14633         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
14634         is initialized and while compilation of other function is running.
14635         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
14636         statement CFG annotations from here to ...
14637         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
14639 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
14641         * cfgloop.h (enum li_flags): Make the constants powers of two.
14643 2007-01-04  Jan Hubicka  <jh@suse.cz>
14645         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
14646         set.
14647         (fold_marked_statements): New function.
14648         (optimize_inline_calls, tree_function_versioning): Fold new statements.
14649         * tree-inline.h (copy_body_data): Add statements_to_fold.
14651 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
14653         * config.gcc: Mention libgcc/config.host.
14654         * Makefile.in: Update comments mentioning libgcc.
14655         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
14656         (all.cross, start.encap, rest.encap, rest.cross): Update
14657         dependencies for libgcc move.
14658         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
14659         (clean-target, clean-target-libgcc): Delete.
14660         (srcdirify, GCC_EXTRA_PARTS): New macros.
14661         (libgcc-support, libgcc.mvars): New rules.
14662         (distclean): Remove mention of mklibgcc.
14663         (install): Don't reference INSTALL_LIBGCC.
14664         (install-common): Don't reference EXTRA_PARTS.
14665         (install-libgcc, install-multilib): Delete rules.
14666         * mklibgcc.in: Delete file.
14667         * doc/configfiles.texi: Don't mention mklibgcc.
14669         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
14670         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
14671         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
14672         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
14673         (mklibgcc, ldblspecs): Likewise.
14675         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
14676         (posixpre.def): Use $(T).
14677         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
14678         (SHLIB_SRC, SHLIB_INSTALL): Delete.
14679         (SHLIB_LINK): Make dummy.
14680         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
14682         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
14684         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
14685         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
14686         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
14687         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
14689         * configure.ac (all_outputs): Remove mklibgcc.
14690         * configure: Regenerated.
14692 2007-01-03  Josh Conner  <jconner@apple.com>
14694         PR middle-end/29683
14695         * calls.c (compute_argument_addresses): Set stack and stack_slot
14696         for partial args, too.
14697         (store_one_arg): Use locate.size.constant for the size when
14698         generating a save_area.
14700 2007-01-03  Robert Kennedy <jimbob@google.com>
14702         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
14703         whose definitions are deleted due to basic block merging.
14705 2007-01-03  Paul Brook  <paul@codesourcery.com>
14707         PR target/16634
14708         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
14709         functions.
14710         (use_return_insn): Return 0 for Thumb interrupt functions.
14711         (print_multi_reg): Add rfe argument for IRQ returns.
14712         (arm_output_epilogue): Pop interrupt return address directly into PC.
14713         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
14715 2007-01-03  Paul Brook  <paul@codesourcery.com>
14717         Merge from sourcerygxx-4_1.
14718         * config/arm/thumb2.md: New file.
14719         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
14720         Thumb-2.
14721         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
14722         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
14723         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
14724         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
14725         tables.
14726         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
14727         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
14728         comptibility.
14729         * config/arm/ieee754-sf.S: Ditto.
14730         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
14731         (thumb1_base_register_rtx_p): ... to this.
14732         (thumb_index_register_rtx_p): Rename...
14733         (thumb1_index_register_rtx_p): ... to this.
14734         (thumb_output_function_prologue): Rename...
14735         (thumb1_output_function_prologue): ... to this.
14736         (thumb_legitimate_address_p): Rename...
14737         (thumb1_legitimate_address_p): ... to this.
14738         (thumb_rtx_costs): Rename...
14739         (thumb1_rtx_costs): ... to this.
14740         (thumb_compute_save_reg_mask): Rename...
14741         (thumb1_compute_save_reg_mask): ... to this.
14742         (thumb_final_prescan_insn): Rename...
14743         (thumb1_final_prescan_insn): ... to this.
14744         (thumb_expand_epilogue): Rename...
14745         (thumb1_expand_epilogue): ... to this.
14746         (arm_unwind_emit_stm): Rename...
14747         (arm_unwind_emit_sequence): ... to this.
14748         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
14749         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
14750         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
14751         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
14752         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
14753         thumb2_output_casesi): New functions.
14754         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
14755         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
14756         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
14757         THUMB2_WORK_REGS): Define.
14758         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
14759         arm_condexec_mask, arm_condexec_masklen)): New variables.
14760         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
14761         (arm_override_options): Check new CPU capabilities.
14762         Set new architecture flag variables.
14763         (arm_isr_value): Handle v7m interrupt functions.
14764         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
14765         Thumb-2.
14766         (const_ok_for_arm): Handle Thumb-2 constants.
14767         (arm_gen_constant): Ditto.  Use movw when available.
14768         (arm_function_ok_for_sibcall): Return false for v7m interrupt
14769         functions.
14770         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
14771         (thumb_find_work_register, arm_load_pic_register,
14772         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
14773         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
14774         print_multi_reg, output_mov_long_double_fpa_from_arm,
14775         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
14776         output_mov_double_fpa_from_arm, output_move_double,
14777         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
14778         output_return_instruction, arm_output_function_prologue,
14779         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
14780         arm_output_mi_thunk, thumb_set_return_address): Ditto.
14781         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
14782         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
14783         (arithmetic_instr, shift_op): Use arm_shift_nmem.
14784         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
14785         '!' and 'L'.
14786         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
14787         (thumb_expand_prologue): Use thumb_set_frame_pointer.
14788         (arm_file_start): Output directive for unified syntax.
14789         (arm_unwind_emit_set): Handle stack alignment instruction.
14790         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
14791         Add v6t2, v7, v7a, v7r and v7m.
14792         (RETLDM): Add Thumb-2 code.
14793         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
14794         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
14795         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
14796         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
14797         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
14798         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
14799         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
14800         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
14801         ADJUST_INSN_LENGTH): Define.
14802         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
14803         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
14804         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
14805         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
14806         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
14807         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
14808         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
14809         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
14810         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
14811         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
14812         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
14813         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
14814         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
14815         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
14816         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
14817         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
14818         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
14819         cortex-m3.
14820         * config/arm/arm-tune.md: Regenerate.
14821         * config/arm/arm-protos.h: Update prototypes.
14822         * config/arm/vfp.md: Enable patterns for Thumb-2.
14823         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
14824         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
14825         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
14826         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
14827         * config/arm/libunwind.S: Add Thumb-2 code.
14828         * config/arm/constraints.md: Update include Thumb-2.
14829         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
14830         * config/arm/ieee754-df.S: Ditto.
14831         * config/arm/bpabi.S: Ditto.
14832         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
14833         * config/arm/predicates.md (low_register_operand,
14834         low_reg_or_int_operand, thumb_16bit_operator): New.
14835         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
14836         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
14837         * config/arm/t-arm-elf: Add armv7 multilib.
14838         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
14839         Include thumb2.md.
14840         (UNSPEC_STACK_ALIGN, ce_count): New.
14841         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
14842         arm_zero_extendsidi2, arm_zero_extendqidi2): New
14843         insns/expanders.
14844         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
14845         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
14846         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
14847         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
14848         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
14849         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
14850         insns.
14851         * doc/extend.texi: Document ARMv7-M interrupt functions.
14852         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
14854 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
14856         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
14857         (struct _Unwind_Context): Rename args_size to flags, remove
14858         signal_frame field, add a new args_size field and version field.
14859         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
14860         _Unwind_IsExtendedContext): New inline functions.
14861         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
14862         Assume by_value array is only present if _Unwind_IsExtendedContext.
14863         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
14864         _Unwind_IsSignalFrame.
14865         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
14866         (uw_update_context_1): Use _Unwind_SetSignalFrame.
14867         (uw_init_context_1): Initialize context->flags to
14868         EXTENDED_CONTEXT_BIT.
14869         * config/rs6000/linux-unwind.h (frob_update_context): Use
14870         _Unwind_SetSignalFrame.
14872 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14874         PR middle-end/30353
14875         * gimplify.c (gimplify_modify_expr_complex_part): Move below
14876         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
14877         the value.
14879 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
14881         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
14882         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
14883         RET, AT_SP): Remove.
14884         * config/i386/i386.md (*sse_prologue_save_insn): Use return
14885         instead of RET.
14887         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
14888         * cfgbuild.c (find_basic_blocks): Likewise.
14889         * cfgrtl.c (rtl_create_basic_block): Likewise.
14890         * function.c (temp_slots_at_level): Likewise.
14891         * reg-stack.c (stack_regs_mentioned): Likewise.
14892         * regclass.c (allocate_reg_info): Likewise.
14893         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
14894         set_bb_for_stmt, move_block_to_fn): Likewise.
14895         * tree-complex.c (tree_lower_complex): Likewise.
14896         * vec.h (VEC_safe_grow_cleared): New.
14898         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
14900 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
14902         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
14903         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
14904         to loop_version.
14905         * cfgloopmanip.c (scale_loop_frequencies): Export.
14906         (loopify): Scale the frequencies by prescribed coefficients.
14907         (set_zero_probability): New function.
14908         (duplicate_loop_to_header_edge): Improve updating of frequencies.
14909         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
14910         and frequencies according to arguments.
14911         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
14912         correctly.
14913         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
14914         * modulo-sched.c (sms_schedule): Set probabilities for entering
14915         versioned loop correctly.
14916         * tree-vect-transform.c (vect_transform_loop): Ditto.
14917         * cfgloop.h (loopify, loop_version): Declaration changed.
14918         (scale_loop_frequencies): Declared.
14920 2007-01-02  Jan Hubicka  <jh@suse.cz>
14922         * cgraph.c: Include tree-flow.h
14923         (cgraph_add_new-function): Handle IPA_SSA mode; execute
14924         early_local_passes.
14925         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
14926         * tree-pass.h (pass_all_early_optimizations): Declare.
14927         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
14928         early_local_passes.
14929         (cgraph_analyze_function): Do early_local_passes.
14930         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
14931         Do not add referenced vars.
14932         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
14933         SSA form.
14934         (gate_all_early_local_passes): New gate.
14935         (pass_early_local_passes): Use new gate.
14936         (execute_early_local_optimizations): New functions.
14937         (gate_all_early_optimizations): New gate.
14938         (pass_all_early_optimizations): New pass.
14939         (execute_free_datastructures): Free SSA only when initialized.
14940         (gate_init_datastructures): Init only when optimizing.
14941         (tree_lowering_passes): Do early local passes when called late.
14942         * tree-profile.c (do_tree_profiling): Don't profile functions added
14943         late.
14944         (do_early_tree_profiling, pass_early_tree_profile): Kill.
14945         * tree-cfg.c (update_modified_stmts): Do not update when operands are
14946         not active.
14947         * passes.c (init_optimizations_passes): Reorder so we go into SSA
14948         during early_local_passes.
14949         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
14952 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
14954         * Makefile.in: Update copyright year.
14956 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
14958         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
14959         in $(lang_checks) and check-consistency targets.
14961 2007-01-02  Jan Hubicka  <jh@suse.cz>
14963         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
14964         Do not add referenced vars.
14965         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
14966         are not active.
14967         * passes.c (init_optimization_passes): Put mudflap_2 after
14968         free_datastructures.
14970 2007-01-02  Jan Hubicka  <jh@suse.cz>
14972         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
14973         Set NOTHROW flag on call statements proved to be nothrow.
14974         Update statement of local calls so new pure/const functions are
14975         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
14976         goto receivers.
14977         (tree_rest_of_compilation): Register hooks and initialize bitmap
14978         early. Do not set after_inlining flag.
14980 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
14982         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
14983         HOST_BITS_PER_LONGLONG
14985 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14987         PR c/19977
14988         * c-typeck.c (store_init_value): Don't emit pedantic overflow
14989         warning for non-static initializers.
14991 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
14993         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
14994         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
14995         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
14996         Always use set_unique_reg_note to add REG_EQUAL notes.
14998 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
15000         Revert:
15001         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
15003         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
15004         * cfgbuild.c (find_basic_blocks): Likewise.
15005         * cfgrtl.c (rtl_create_basic_block): Likewise.
15006         * function.c (temp_slots_at_level): Likewise.
15007         * reg-stack.c (stack_regs_mentioned): Likewise.
15008         * regclass.c (allocate_reg_info): Likewise.
15009         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
15010         set_bb_for_stmt, move_block_to_fn): Likewise.
15011         * tree-complex.c (tree_lower_complex): Likewise.
15012         * vec.h (VEC_safe_grow_cleared): New.
15014 2007-01-02  Ian Lance Taylor  <iant@google.com>
15016         * c-common.c (c_common_truthvalue_conversion): When warning about
15017         using an assignment as a truth value, set TREE_NO_WARNING.
15019 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
15021         PR middle-end/7651
15022         * c.opt (Wold-style-declaration): New.
15023         * doc/invoke.texi (C-only Warning Options): New.
15024         (Wold-style-declaration): Document it.
15025         (Wextra): Enabled by -Wextra.
15026         * c-opts.c (c_common_post_options): Enabled by -Wextra.
15027         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
15028         -Wold-style-declaration.
15030 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
15032         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
15033         * cfgbuild.c (find_basic_blocks): Likewise.
15034         * cfgrtl.c (rtl_create_basic_block): Likewise.
15035         * function.c (temp_slots_at_level): Likewise.
15036         * reg-stack.c (stack_regs_mentioned): Likewise.
15037         * regclass.c (allocate_reg_info): Likewise.
15038         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
15039         set_bb_for_stmt, move_block_to_fn): Likewise.
15040         * tree-complex.c (tree_lower_complex): Likewise.
15041         * vec.h (VEC_safe_grow_cleared): New.
15043 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
15045         * c-common.c (c_common_nodes_and_builtins): Since variants of
15046         void_type_node get built before it is given a name, we need to
15047         give those variants the name, too.
15048         (complete_array_type): We need to work with the canonical main
15049         type of the array, from which we will build the qualified version.
15050         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
15051         * print-tree.c (print_node): Display canonical type information
15052         for each type.
15053         * stor-layout.c (layout_type): When we don't know the
15054         alignment of a type for which we're building an array, we end up
15055         guessing wrong, so make the type require structural equality.
15056         * tree.c (make_node_stat): When we build a new type, it is its
15057         own canonical type.
15058         (build_type_attribute_qual_variant): When building an attribute
15059         variant, its canonical type is the non-attribute variant. However,
15060         if the attributes are target-dependent and they differ, we need to
15061         use structural equality checks for this type.
15062         (build_qualified_type): A qualified type is not equivalent to its
15063         unqualified variant; set the canonical type appropriately.
15064         (build_distinct_type_copy): When building a distinct type from
15065         another type, the new type is its own canonical type.
15066         (build_variant_type_copy): When building a new type variant, we
15067         assume that it is equivalent to the original type.
15068         (build_pointer_type_for_mode): When building a pointer type, also
15069         build a canonical type pointer.
15070         (build_reference_type_for_mode): When building a reference type,
15071         also build a canonical type reference.
15072         (build_index_type): When we can't hash an index type (e.g.,
15073         because its maximum value is negative), the index type requires
15074         structural equality tests.
15075         (build_array_type): Build the canonical form of an array type.
15076         (build_function_type): Function types require structural equality,
15077         because they contain default arguments, attributes, etc.
15078         (build_method_type_directly): Ditto for method types.
15079         (build_offset_type): Build the canonical offset type.
15080         (build_complex_type): Build the canonical vector type.
15081         (make_vector_type): Build the canonical vector type.
15082         * tree.h (TYPE_CANONICAL): New.
15083         (TYPE_STRUCTURAL_EQUALITY_P): New.
15084         (SET_TYPE_STRUCTURAL_EQUALITY): New.
15085         (struct tree_type): Added "canonical" field.
15086         * params.h (VERIFY_CANONICAL_TYPES): New.
15087         * doc/c-tree.texi (TYPE_CANONICAL): Document.
15088         (TYPE_STRUCTURAL_EQUALITY_P): Document.
15089         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
15090         * doc/invoke.texi (verify-canonical-types): Document --param
15091         parameter for verifying canonical types.
15093 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
15095         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
15096         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
15097         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
15098         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
15099         tm_file.
15100         * config/rs6000/e500.h: New.
15101         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
15102         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
15103         Remove.
15104         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
15105         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
15106         TARGET_E500_DOUBLE): Remove.
15107         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
15108         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
15109         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
15110         * config/rs6000/rs6000.c (rs6000_override_options): Use
15111         CHECK_E500_OPTIONS.
15113 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
15115         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
15116         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
15117         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
15118         rs6000_emit_cmove): Don't check TARGET_E500.
15119         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
15120         sordered): Don't check TARGET_E500.
15122 2007-01-01  Eric Christopher  <echristo@apple.com>
15124         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
15125         HARD_REGISTER_NUM_P.
15127 2007-01-01  Roger Sayle  <roger@eyesopen.com>
15129         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
15130         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
15131         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
15132         eq/ne Y".
15134 2007-01-01  Mike Stump  <mrs@apple.com>
15136         * configure.ac: Remove support for building with Apple's gcc-3.1.
15138 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
15140         PR middle-end/30311
15141         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
15142         REG is a hard register.  Do not modify REG before calling
15143         subreg_nregs.
15144         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
15145         multiple of the size of YMODE for certain lowpart cases.
15147 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
15149         PR middle-end/30253
15150         * gimplify (voidify_wrapper_expr): Update for
15151         GIMPLE_MODIFY_STMT.
15153 2007-01-01  Andreas Schwab  <schwab@suse.de>
15155         PR target/29166
15156         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
15157         save of BR0 in extra_spill_size instead of spill_size.
15158         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
15159         area.
15160         (ia64_expand_epilogue): Restore BR0 from its new location.
15162 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
15164         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
15165         Use a temporary variable if the left hand side is not a gimple
15166         register.
15168 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
15170         * gimplify.c (gimplify_return_expr): Make the temporary variable
15171         for the return expression, a gimple register variable.
15173 2007-01-01  Jan Hubicka  <jh@suse.cz>
15175         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
15176         INSN_LIST.
15178 2007-01-01  Mike Stump  <mrs@apple.com>
15180         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
15181         .literal16.
15182         * config/darwin.c (machopic_select_rtx_section): Use
15183         HAVE_GAS_LITERAL16.
15184         (darwin_mergeable_constant_section): Likewise.
15185         * configure: Regenerate.
15186         * config.in: Regenerate.
15188 2007-01-01  Jan Hubicka  <jh@suse.cz>
15189             Andrew Pinski  <pinskia@gmail.com>
15191         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
15192         before starting IPA passes.