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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
2
3         * config.gcc (i[34567]86-*-*): Add nmmintrin.h to
4         extra_headers.
5         (x86_64-*-*): Likewise.
6
7         * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
8         (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
9         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
10         (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
11         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
12         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
13         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
14         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
15         (OPTION_MASK_ISA_SSE4): Likewise.
16         (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
17         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
18         (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET.  Handle
19         SSE4.2.
20         (override_options): Support SSE4.2.
21         (ix86_build_const_vector): Support SImode and DImode.
22         (ix86_build_signbit_mask): Likewise.
23         (ix86_expand_int_vcond): Support V2DImode.
24         (IX86_BUILTIN_CRC32QI): New for SSE4.2.
25         (IX86_BUILTIN_CRC32HI): Likewise.
26         (IX86_BUILTIN_CRC32SI): Likewise.
27         (IX86_BUILTIN_CRC32DI): Likewise.
28         (IX86_BUILTIN_PCMPGTQ): Likewise.
29         (bdesc_crc32): Likewise.
30         (bdesc_sse_3arg): Likewise.
31         (ix86_expand_crc32): Likewise.
32         (ix86_init_mmx_sse_builtins): Support SSE4.2.
33         (ix86_expand_builtin): Likewise.
34
35         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
36         __SSE4_2__ for -msse4.2.
37
38         * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
39         (CRC32MODE): Likewise.
40         (crc32modesuffix): Likewise.
41         (crc32modeconstraint): Likewise.
42         (sse4_2_crc32<mode>): Likewise.
43         (sse4_2_crc32di): Likewise.
44
45         * config/i386/i386.opt (msse4.2): New for SSE4.2.
46         (msse4): Likewise.
47
48         * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header
49         file.
50
51         * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
52
53         * config/i386/sse.md (sse4_2_gtv2di3): New pattern for
54         SSE4.2.
55         (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
56         (vcondu<mode>): Likewise.
57
58         * doc/extend.texi: Document SSE4.2 built-in functions.
59
60         * doc/invoke.texi: Document -msse4.2/-msse4.
61
62 2007-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
63
64         PR tree-optimization/32160
65         * tree-predcom.c (predcom_tmp_var): New function.  Mark created
66         variable as gimple reg.
67         (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
68
69 2007-05-31  Kazu Hirata  <kazu@codesourcery.com>
70
71         * gcc.c (main): Don't consider linker options when issuing the
72         warning about a linker input file not being used.
73
74 2007-05-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
75
76         * tree-vrp.c (compare_names): Initialize sop.
77
78 2007-05-30  Dirk Mueller  <dmueller@suse.de>
79
80         * cgraphunit.c (cgraph_analyze_function): Remove
81         computation of inline parameters.
82
83 2007-05-30  Uros Bizjak  <ubizjak@gmail.com>
84
85         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
86
87 2007-05-30  Richard Sandiford  <richard@codesourcery.com>
88
89         * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
90         Add vx-common.h.  Include vxworks.h between vx-common.h and
91         arm/vxworks.h.
92         * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
93         redefining.
94         * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
95         (TARGET_ASM_DESTRUCTOR): Likewise.
96         * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
97         instead of arm_is_xscale.  Use VXWORKS_OS_CPP_BUILTINS.
98         (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
99         (CC1_SPEC): Add -tstrongarm.  Line up backslashes.
100         (VXWORKS_ENDIAN_SPEC): Define.
101         (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
102         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
103         VXWORKS_* equivalents.
104         (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
105         (ASM_FILE_START): Delete.
106         (TARGET_VERSION): Reformat.
107         (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
108         (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
109         * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
110         (FPBIT, DPBIT): Define.
111         (fp-bit.c, dp-bit.c): New rules.
112         (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
113         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
114         * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
115         * config/arm/arm.h: Include vxworks-dummy.h.
116         * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
117         Mark with ATTRIBUTE_UNUSED.
118         (arm_override_options): Do not allow VxWorks RTP PIC to be used
119         for Thumb.  Force r9 to be the PIC register for VxWorks RTPs and
120         make it incompatible with -msingle-pic-base.
121         (arm_function_ok_for_sibcall): Return false for calls that might
122         go through a VxWorks PIC PLT entry.
123         (require_pic_register): New function, split out from...
124         (legitimize_pic_address): ...here.  Do not use GOTOFF accesses
125         for VxWorks RTPs.
126         (arm_load_pic_register): Handle the VxWorks RTP initialization
127         sequence.  Use pic_reg as a shorthand for cfun->machine->pic_reg.
128         (arm_emit_call_insn): New function.
129         (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
130         * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
131         (pic_offset_arm): New pattern.
132         (call, call_value): Use arm_emit_call_insn.
133         (call_internal, call_value_internal): New expanders.
134         * config/arm/lib1funcs.asm (__PLT__): Define to empty for
135         VxWorks unless __PIC__.
136
137 2007-05-30  Eric Christopher  <echristo@gmail.com>
138
139         * genrecog.c: Include regs.h in generated file.
140         * genemit.c: Ditto. Fix up formatting.
141         * config/mn10300/constraints.md: New.
142         * config/mn10300/mn10300.md: Include.
143         * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
144         Fix up for removed macro.
145         * config/mn10300/predicates.md (call_address_operand):  Ditto.
146         * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
147         (CONST_OK_FOR_I): Ditto.
148         (CONST_OK_FOR_J): Ditto.
149         (CONST_OK_FOR_K): Ditto.
150         (CONST_OK_FOR_L): Ditto.
151         (CONST_OK_FOR_M): Ditto.
152         (CONST_OK_FOR_N): Ditto.
153         (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
154         (OK_FOR_Q): Ditto.
155         (OK_FOR_R): Ditto.
156         (OK_FOR_T): Ditto.
157         (EXTRA_CONSTRAINT): Ditto.
158
159 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
160
161         * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
162         Remove defines.
163         * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
164         OPTION_MASK_ISA_64BIT.
165         * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
166
167 2007-05-30  Richard Guenther  <rguenther@suse.de>
168
169         PR middle-end/32152
170         * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
171         types for comparison.
172         * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
173         with original typed arguments.
174         * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
175
176 2007-05-30  Jakub Jelinek  <jakub@redhat.com>
177
178         PR tree-optimization/31769
179         * except.c (duplicate_eh_regions): Clear prev_try if
180         ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
181
182 2007-05-30  Zdenek Dvorak  <dvorakz@suse.cz>
183
184         * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
185         * tree-ssa-sink.c (statement_sink_location): Return basic block and
186         bsi of the location where statements should be inserted.
187         (sink_code_in_bb): Take bsi from statement_sink_location.
188         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
189         instead of bsi_start.
190         * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
191         bsi_insert_after.
192         * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
193         (bsi_move_before): Document inconsistency with bsi_move_after.
194         (tree_redirect_edge_and_branch): Do not create labels if not necessary.
195
196 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
197
198         * config/i386/i386.h (TARGET_ABM): New define.
199         (TARGET_POPCNT): Ditto.
200         (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
201         New temporary defines to redefine from OPTION_ISA_* defines.
202         (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
203         New temporary defines to redefine from OPTION_MASK_ISA_* defines.
204         (ix86_isa_flags): New extern int declaration.
205         (TARGET_SUBTARGET_DEFAULT): New define.
206         (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
207         (TARGET_SUBTARGET32_DEFAULT): Ditto.
208         (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
209         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
210         * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
211         * config/i386/darwin.h: Change TARGET_64BIT define to
212         OPTION_ISA_64BIT.
213
214         * config/i386/i386.opt (m3dnowa): Define as undocumented option
215         using existing "ix86_isa_flags" varible.
216         (m32, m64): Use existing "ix86_isa_flags" variable.
217         (mmmx, m3dnow): Ditto.
218         (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
219         (mabm): Define as non-negative option using "x86_abm" variable.
220         (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
221
222         * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
223         Rewrite feature test bitmap.
224         (ix86_isa_flags): New initialized global int varible.
225         (ix86_isa_flags_explicit): New static int variable.
226         (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
227         msse, msse2, msse3, msse4.1 and msse4a option is processed.  Change
228         i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
229         target_flags_explicit.
230         (override_options): Remove "target_enable" and "target_disable" fields
231         from "struct ptt". Update processor_target_table accordingly. Remove
232         PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
233         defined and rearrange PTA_* bits.  Use "ix86_isa_flags" instead of
234         "target_flags" and "ix86_isa_flags_explicit" instead of
235         "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
236         MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*.  Set "x86_abm" to true when
237         PTA_ABM is set in processor_alias_table flags entry.  Set "x86_popcnt"
238         to true when either of PTA_POPCNT or PTA_ABM is set in
239         processor_alias_table flags entry.  Set "x86_prefetch_sse" to true
240         when either of PTA_PREFETCH_SSE or PTA_SSE is set in
241         processor_alias_table flags entry.  Remove handling of
242         "target_enable" and "target_disable" fields of processor_target_table.
243         Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
244         targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
245         Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
246         targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
247         (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
248         "target_flags".
249         (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
250
251 2007-05-29  David Daney  <ddaney@avtrex.com>
252
253         PR gcc/31975
254         * config/mips/mips.c (mips_output_mi_thunk): Emit
255         NOTE_INSN_PROLOGUE_END at beginning of the thunk.
256
257 2007-05-29  Hui-May Chang  <hm.chang@apple.com>
258         * config/i386/i386.c (ix86_function_regparm): Added checking of
259         ix86_force_align_arg_pointer to determine the number of
260         register parameters.
261
262 2007-05-29  Zdenek Dvorak  <dvorakz@suse.cz>
263
264         * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
265         (SET_DR_MISALIGNMENT): New.
266         * tree-vect-analyze.c (vect_compute_data_ref_alignment,
267         vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
268         Use SET_DR_MISALIGNMENT.
269         * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
270         pointer.
271         * tree-data-ref.c (create_data_ref, compute_all_dependences,
272         find_loop_nest): Export.
273         * tree-data-ref.h (struct data_reference): Change aux field to pointer.
274         (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
275         * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
276         (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
277         New macros.
278         (struct mem_ref): Add field reuse_distance.
279         (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
280         Initialize reuse_distance field.
281         (issue_prefetch_ref): Select temporality of prefetch according to
282         reuse_distance.
283         (volume_of_references, volume_of_dist_vector, add_subscript_strides,
284         self_reuse_distance, determine_loop_nest_reuse): New functions.
285         (loop_prefetch_arrays): Call determine_loop_nest_reuse.
286         (tree_ssa_prefetch_arrays): Dump L2 cache size.
287         * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
288         dependency.
289
290 2007-05-29  Daniel Berlin  <dberlin@dberlin.org>
291
292         * tree-ssa-alias.c: Add aliasing overview.
293
294 2007-05-29  Zuxy Meng  <zuxy.meng@gmail.com>
295             Danny Smith  <dannysmith@users.sourceforge.net>
296
297         PR target/29498
298         * config/i386/t-crtfm: Compile crtfastmath.o with
299         -minline-all-stringops.
300         * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
301         * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
302
303 2007-05-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
304
305         * doc/md.texi: Document constraints on HP PA-RISC.
306
307         * pa/constraints.md: New file.
308         * pa.md: Include constraints.md.
309         * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
310         (integer_store_memory_operand, ldil_cint_p): New functions.
311         * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
312         * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
313         IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
314         * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
315         * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
316
317 2007-05-28  Andrew Pinski  <Andrew_pinski@playstation.sony.com>
318
319         PR c/31339
320         * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
321         case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
322         case POSTDECREMENT_EXPR>): Return the error_mark_node
323         if either the real or imaginary parts would an
324         error_mark_node.
325
326 2007-05-28  Daniel Berlin  <dberlin@dberlin.org>
327
328         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
329         name when we remove it from a call.
330
331 2007-05-28  Kazu Hirata  <kazu@codesourcery.com>
332
333         * targhooks.c (default_narrow_bitfield): Remove.
334         * targhooks.h: Remove the prototype for
335         default_narrow_bitfield.
336
337         * langhooks-def.h: Remove the prototype for
338         hook_get_alias_set_0.
339         * langhooks.c (hook_get_alias_set_0): Remove.
340
341         * global.c (EXECUTE_IF_CONFLICT): Remove.
342
343 2007-05-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
344
345         PR tree-opt/32100
346         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
347         return true when truth_value_p is true and the type
348         is of signed:1.
349
350 2007-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
351
352         * doc/install.texi (Prerequisites): We no longer require Autoconf
353         2.13 for the top-level.
354
355 2007-05-28  Uros Bizjak  <ubizjak@gmail.com>
356
357         * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
358         memory access via x86_expand_vector_move_misalign() only for
359         TImode values on 32-bit targets.
360
361 2007-05-28  Razya Ladelsky  <razya@il.ibm.com>
362
363         * matrix-reorg.c: New file. Implement matrix flattening and
364         transposing optimization.
365         * tree-pass.h: Add matrix reorg pass.
366         * common.opt: Add fipa-mreorg flag.
367         * Makefile.in: Add matrix-reorg.c.
368         * passes.c: Add matrix reorg pass.
369         * varpool.c (add_new_static_var): New function.
370         * cgraph.h (add_new_static_var): Declare.
371
372 2007-05-27  Eric Christopher  <echristo@apple.com>
373
374         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
375         sp_offset depending on stack size. Save r12 depending
376         on registers we're saving later.
377         (rs6000_emit_epilogue): Update sp_offset depending only
378         on stack size.
379
380 2007-05-27  Zdenek Dvorak  <dvorakz@suse.cz>
381
382         * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
383         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
384         * ifcvt.c (if_convert): Ditto.
385         * tree-ssa-threadupdate.c (thread_block): Ditto.
386         (thread_through_all_blocks): Ditto.  Assert that loops were analysed.
387         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
388         verify_loop_closed_ssa): Check number_of_loops instead of
389         current_loops.
390         * predict.c (tree_estimate_probability): Ditto.
391         * tree-if-conv.c (main_tree_if_conversion): Ditto.
392         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
393         * modulo-sched.c (sms_schedule): Ditto.
394         * tree-scalar-evolution.c (scev_const_prop): Ditto.
395         (scev_finalize): Do not do anything if scev analysis was not
396         initialized.
397         * cfgloopanal.c (mark_irreducible_loops): Do not check whether
398         current_loops == NULL.
399         (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
400         * loop-init.c (loop_optimizer_init): Do not free current_loops when
401         there are no loops.
402         (loop_optimizer_finalize): Assert that loops were analyzed.
403         (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
404         rtl_doloop): Check number_of_loops instead of current_loops.
405         * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
406         current_loops == NULL.
407         (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
408         gate_tree_vectorize tree_linear_transform, check_data_deps,
409         tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
410         tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
411         Check number_of_loops instead of current_loops.
412         (tree_ssa_loop_done): Do not check whether current_loops == NULL.
413         * tree-ssa-pre.c (fini_pre): Do not take do_fre argument.  Always
414         free loops if available.
415         (execute_pre): Do not pass do_fre to fini_pre.
416
417 2007-05-27  Tobias Burnus  <burnus@net-b.de>
418
419         PR middle-end/32083
420         * real.c (mpfr_from_real): Fix sign of -Inf.
421
422 2007-05-27  H.J. Lu  <hongjiu.lu@intel.com>
423
424         * tree-vect-transform.c (vectorizable_conversion): Initialize
425         tree_code variables to ERROR_MARK.
426         (vectorizable_type_demotion): Likewise.
427         (vectorizable_type_promotion): Likewise.
428
429 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
430
431         PR target/32065
432         * config/i386/i386.md (movti): Handle push operands via
433         ix86_expand_push().
434
435 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
436
437         * basic-block.h: Remove the prototype for merge_seq_blocks.
438         * cfgcleanup.c (merge_seq_blocks): Remove.
439
440         * tree-flow.h: Remove the prototype for is_aliased_with.
441         * tree-ssa-alias.c (is_aliased_with): Remove.
442
443 2007-05-26  H.J. Lu  <hongjiu.lu@intel.com>
444
445         * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
446
447         * config/i386/i386.c (ix86_expand_sse4_unpack): New.
448
449         * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
450         ix86_expand_sse4_unpack if SSE4.1 is enabled.
451         (vec_unpacks_hi_v16qi): Likewise.
452         (vec_unpacku_lo_v16qi): Likewise.
453         (vec_unpacks_lo_v16qi): Likewise.
454         (vec_unpacku_hi_v8hi): Likewise.
455         (vec_unpacks_hi_v8hi): Likewise.
456         (vec_unpacku_lo_v8hi): Likewise.
457         (vec_unpacks_lo_v8hi): Likewise.
458         (vec_unpacku_hi_v4si): Likewise.
459         (vec_unpacks_hi_v4si): Likewise.
460         (vec_unpacku_lo_v4si): Likewise.
461         (vec_unpacks_lo_v4si): Likewise.
462
463 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
464
465         * c-typeck.c, config/arm/arm.c, config/darwin.c,
466         config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
467         omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
468         follow spelling conventions in various
469         warning/error/diagnostic messages.
470
471         * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
472         df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
473         fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
474         tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
475         tree-vrp.c: Fix comment typos.  Follow spelling conventions.
476         * doc/tm.texi: Follow spelling conventions.
477
478 2007-05-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
479
480         PR tree-opt/32090
481         * tree-ssa-forwprop.c
482         (forward_propagate_addr_into_variable_array_index): Remove
483         the lhs argument.  Use the type of def_rhs instead of lhs.
484         (forward_propagate_addr_expr_1): Update use of
485         forward_propagate_addr_into_variable_array_index.
486
487 2007-05-25  Sandra Loosemore  <sandra@codesourcery.com>
488             Nigel Stephens  <nigel@mips.com>
489
490         * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
491         function attributes, "far" being an alias for "long_call".
492         (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
493         (mips_near_type_p, mips_far_type_p): New.
494         (mips_comp_type_attributes): New function to check that attributes
495         attached to a function type are compatible.
496         (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
497         TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
498         to the target function of the thunk.
499         (mips_encode_section_info): Check for "near" and "far" function
500         attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
501
502         * config/mips/predicates.md (const_call_insn_operand): Test only
503         SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
504
505         * doc/extend.texi (Function Attributes): Document MIPS "near" and
506         "far" attributes.
507
508         * testsuite/gcc.target/mips/near-far-1.c:  New test case.
509         * testsuite/gcc.target/mips/near-far-2.c:  New test case.
510         * testsuite/gcc.target/mips/near-far-3.c:  New test case.
511         * testsuite/gcc.target/mips/near-far-4.c:  New test case.
512
513 2007-05-25  Eric Christopher  <echristo@apple.com>
514
515         * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
516         to x86-darwin configurations.
517         * config/i386/t-darwin: Add softfp support.
518         * config/i386/t-darwin64: Ditto.
519         * config/i386/sfp-machine.h: If mach then don't use
520         aliasing, emit a stub to call.
521
522 2007-05-25  Kazu Hirata  <kazu@codesourcery.com>
523
524         * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
525         haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
526         tree-predcom.c, tree-ssa-alias-warnings.c,
527         tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
528         comment typos.  Follow spelling conventions.
529         * doc/cpp.texi, doc/invoke.texi: Fix typos.
530
531 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
532
533         PR target/32065
534         * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
535         constants into memory.  Expand unaligned memory references for
536         SSE modes via x86_expand_vector_move_misalign() function.
537
538 2007-05-25  Uros Bizjak  <ubizjak@gmail.com>
539
540         * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
541         "memory" attribute for "sseishft" type insn without operands[2].
542
543 2007-05-25  Dirk Mueller  <dmueller@suse.de>
544             Marcus Meissner <meissner@suse.de>
545
546         * doc/extend.texi (alloc_size): New attribute.
547         * c-common.c (handle_alloc_size_attribute): New.
548         * tree-object-size.c (alloc_object_size): Use alloc_size
549         attribute, if available.
550
551 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
552
553         * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
554         with MASK_SSE2.
555         (__builtin_ia32_vec_ext_v2di): Likewise.
556         (__builtin_ia32_vec_ext_v4si): Likewise.
557         (__builtin_ia32_vec_ext_v8hi): Likewise.
558         (__builtin_ia32_vec_ext_v16qi): Likewise.
559         (__builtin_ia32_vec_set_v8hi): Likewise.
560
561 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
562
563         * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
564
565 2007-05-25  Richard Sandiford  <richard@codesourcery.com>
566
567         * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
568         (arm_is_longcall_p): Rename to...
569         (arm_is_long_call_p): ...this.  Take a single tree argument and
570         return a bool.
571         * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
572         (CUMULATIVE_ARGS): Remove call_cookie.
573         (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
574         (ENCODED_LONG_CALL_ATTR_P): Delete.
575         (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
576         LONG_CALL_FLAG_CHAR cases.
577         (ARM_DECLARE_FUNCTION_SIZE): Delete.
578         * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
579         ARM_DECLARE_FUNCTION_SIZE.
580         * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
581         (arm_function_arg): Return const0_rtx for VOIDmode arguments.
582         (arm_encode_call_attribute, current_file_function_operand): Delete.
583         (arm_function_in_section_p): New function.
584         (arm_is_longcall_p): Rename to...
585         (arm_is_long_call_p): ...this.  Take the target function as a single
586         argument and return a bool.  Do not rely on call cookies.  Check
587         whether the target symbol is in the same section as the current
588         function, not just the same compilation unit.
589         (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
590         (arm_encode_section_info): Don't encode a call type.
591         * config/arm/arm.md (call, call_value): Update calls to
592         arm_is_long(_)call_p.  Simplify logic.
593         (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
594         Update calls to arm_is_long(_)call_p.
595
596 2007-05-25  Richard Guenther  <rguenther@suse.de>
597
598         PR tree-optimization/31982
599         * tree-ssa-forwprop.c
600         (forward_propagate_addr_into_variable_array_index): Handle arrays
601         with element size one.
602
603 2007-05-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
604
605         * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
606         (umulsi3_highpart): Likewise.
607
608 2007-05-24  Ian Lance Taylor  <iant@google.com>
609
610         PR rtl-optimization/32069
611         * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
612         is NULL.
613
614 2007-05-24  Ollie Wild  <aaw@google.com>
615
616         * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
617         description.
618
619 2007-05-24  Richard Sandiford  <rsandifo@nildram.co.uk>
620
621         * postreload-gcse.c (reg_changed_after_insn_p): New function.
622         (oprs_unchanged_p): Use it to check all registers in a REG.
623         (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
624         (reg_set_between_after_reload_p): Delete.
625         (reg_used_between_after_reload_p): Likewise.
626         (reg_set_or_used_since_bb_start): Likewise.
627         (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
628         and reg_used_between_p instead of reg_set_or_used_since_bb_start.
629         Use reg_set_between_p instead of reg_set_between_after_reload_p.
630         * rtlanal.c (reg_set_p): Check whether REG overlaps
631         regs_invalidated_by_call, rather than just checking the
632         membership of REGNO (REG).
633
634 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
635
636         * doc/passes.texi: Document predictive commoning.
637         * doc/invoke.texi (-fpredictive-commoning): Document.
638         * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
639         * tree-ssa-loop-im.c (get_lsm_tmp_name): Export.  Allow
640         adding indices to the generated name.
641         (schedule_sm): Pass 0 to get_lsm_tmp_name.
642         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
643         * tree-pretty-print.c (op_symbol_1): Renamed to ...
644         (op_symbol_code): ... and exported.
645         (dump_omp_clause, op_symbol): Use op_symbol_code
646         instead of op_symbol_1.
647         * tree-pass.h (pass_predcom): Declare.
648         * timevar.def (TV_PREDCOM): New timevar.
649         * tree-ssa-loop.c (run_tree_predictive_commoning,
650         gate_tree_predictive_commoning, pass_predcom): New.
651         * tree-data-ref.c (find_data_references_in_loop): Find the
652         references in dominance order.
653         (canonicalize_base_object_address): Ensure that the result has
654         pointer type.
655         (dr_analyze_innermost): Export.
656         (create_data_ref): Code to fail for references with invariant
657         address moved ...
658         (find_data_references_in_stmt): ... here.
659         * tree-data-ref.h (dr_analyze_innermost): Declare.
660         * tree-affine.c: Include tree-gimple.h and hashtab.h.
661         (aff_combination_find_elt, name_expansion_hash,
662         name_expansion_eq, tree_to_aff_combination_expand,
663         double_int_constant_multiple_p, aff_combination_constant_multiple_p):
664         New functions.
665         * tree-affine.h (aff_combination_constant_multiple_p,
666         tree_to_aff_combination_expand): Declare.
667         * tree-predcom.c: New file.
668         * common.opt (fpredictive-commoning): New option.
669         * tree-flow.h (op_symbol_code, tree_predictive_commoning,
670         stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
671         * Makefile.in (tree-predcom.o): Add.
672         (tree-affine.o): Add TREE_GIMPLE_H dependency.
673         * passes.c (init_optimization_passes):  Add dceloop after
674         copy propagation in loop optimizer.  Add predictive commoning
675         to loop optimizer passes.
676
677 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
678
679         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
680         default hook.
681
682 2007-05-24  Jan Hubicka  <jh@suse.cz>
683
684         * gengenrtl.c (gendecl, gendef): Output the gens annotated for
685         statistics.
686         (genheader): Include statistics.h.
687
688         * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
689         notes are gone.
690         * print-rtl.c (flag_dump_unnumbered): Update comments.
691         (print_rtl): Fix my previous change.
692         * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
693         specific data.
694
695 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
696
697         PR middle-end/32018
698         * tree-ssa-threadupdate.c (thread_through_loop_header): Use
699         set_loop_copy.
700         (thread_through_all_blocks): Call initialize_original_copy_tables
701         and free_original_copy_tables.
702         * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
703         Use set_loop_copy.
704         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
705         * cfghooks.c (duplicate_block): Use get_loop_copy.
706         * cfg.c: Include cfgloop.h.
707         (loop_copy): New hash table.
708         (initialize_original_copy_tables): Initialize loop_copy table.
709         (free_original_copy_tables): Free loop_copy table.
710         (copy_original_table_clear, copy_original_table_set,
711         set_loop_copy, get_loop_copy): New functions.
712         (set_bb_original, set_bb_copy): Use copy_original_table_set.
713         * cfgloop.h (struct loop): Remove copy field.
714         * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
715         * basic-block.h (set_loop_copy, get_loop_copy): Declare.
716
717 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
718
719         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
720         -msse/-msse2/-msse3.
721
722 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
723
724         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
725         __builtin_ia32_vec_set_v2di with MASK_64BIT.
726
727 2007-05-24  Danny Smith  <dannysmith@users.sourceforge.net>
728
729         PR target/27067
730         * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
731         * targhooks.h (default_mangle_decl_assembler_name): Declare
732         default hook.
733         * targhooks.c (default_mangle_decl_assembler_name): Define
734         default hook.
735         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
736         default hook.
737         * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
738         * langhooks.c (lhd_set_decl_assembler_name): Call
739         targetm.mangle_decl_assembler_name for names with global scope.
740
741         * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
742         default.
743         (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
744         * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
745         Declare.
746         * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
747         New. Factored out of i386_pe_encode_section_info.
748         (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
749         Move check for prior decoration of stdcall
750         symbols to i386_pe_encode_section_info.
751         (i386_pe_encode_section_info): Adjust call to
752         gen_stdcall_or_fastcall_suffix.  Use
753         i386_pe_maybe_mangle_decl_assembler_name, if needed.
754         (i386_pe_mangle_decl_assembler_name): New. Wrap
755         i386_pe_maybe_mangle_decl_assembler_name.
756
757 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
758
759         * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
760         INTEGRAL_TYPE_P and TYPE_UNSIGNED.
761         * langhooks.c (get_signed_or_unsigned_type): Don't check for
762         INTEGRAL_TYPE_P or TYPE_UNSIGNED.
763         (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
764         TYPE_UNSIGNED.
765
766 2007-05-23  Sandra Loosemore  <sandra@codesourcery.com>
767             Nigel Stephens  <nigel@mips.com>
768             Richard Sandiford  <richard@codesourcery.com>
769
770         Fix up MIPS16 hard float and add support for complex.
771
772         * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
773         (TARGET_SOFT_FLOAT_ABI): New.
774         (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
775         __mips_soft_float to reflect the ABI in use, not whether the
776         FPU is directly accessible (e.g., in MIPS16 mode).
777         (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
778         (UNITS_PER_FPVALUE): Likewise.
779
780         * config/mips/mips.c (mips_expand_call): Remove redundant
781         TARGET_MIPS16 check.
782         (mips_arg_regno): New.
783         (function_arg_advance): When setting bits in cum->fp_code for
784         MIPS16, don't subtract 1 from cum->arg_number, since it is now
785         zero-based.
786         (function_arg): Use mips_arg_regno.
787         (mips_return_mode_in_fpr_p): New.
788         (mips16_call_stub_mode_suffix): New.
789         (mips16_cfun_returns_in_fpr_p): New.
790         (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
791         (mips_output_function_prologue): Test mips16_hard_float, not
792         !TARGET_SOFT_FLOAT, to decide when a function stub is required.
793         (mips_expand_epilogue): Call MIPS16 helper routines to copy
794         return value into a floating-point register.
795         (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
796         (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
797         (mips16_fp_args): Handle MIPS32r2 ISA which supports
798         TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
799         word of double arguments from or to the high bits of 64-bit
800         floating point registers.
801         (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
802         (mips16_fpret_double): New helper function.
803         (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p.  Add
804         support for complex modes.  Fill in DECL_RESULT for stubdecl.
805         (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
806
807         * config/mips/mips16.S
808         (RET, ARG1, ARG2): New.
809         (MERGE_GPRf, MERGE_GPRt): New.
810         (DELAYt, DELAYf): New.
811         (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
812         (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
813         (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
814         (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
815         (SFOP): Renamed to...
816         (OPSF3): This, and macro-ified.  Updated all uses.
817         (SFOP2): Renamed to...
818         (OPSF2): This, and macro-ified.  Updated all uses.
819         (SFCMP): Renamed to...
820         (CMPSF): This, and macro-ified.  Updated all uses.
821         (SFREVCMP): Renamed to...
822         (REVCMPSF): This, and macro-ified.  Updated all uses.
823         (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
824         (LDDBL1, LDDBL2, RETDBL): Deleted.
825         (DFOP): Renamed to...
826         (OPDF3): This, and macro-ified.  Updated all uses.
827         (DFOP2): Renamed to...
828         (OPDF2): This, and macro-ified.  Updated all uses.
829         (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
830         (DFCMP): Renamed to...
831         (CMPDF): This, and macro-ified.  Updated all uses.
832         (DFREVCMP): Renamed to...
833         (REVCMPDF): This, and macro-ified.  Updated all uses.
834         (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
835         (RET_FUNCTION): New.
836         (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
837         (__mips16_ret_sc, __mips16_ret_dc): New.
838         (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
839         STUB_ARGS_6, STUB_ARGS_10): New.
840         (CALL_STUB_NO_RET): New.
841         (__mips16_call_stub_1): Macro-ified.
842         (__mips16_call_stub_5): Macro-ified.
843         (__mips16_call_stub_2): Macro-ified.
844         (__mips16_call_stub_6): Macro-ified.
845         (__mips16_call_stub_9): Macro-ified.
846         (__mips16_call_stub_10): Macro-ified.
847         (CALL_STUB_RET): New.
848         (__mips16_call_stub_sf_0): Macro-ified.
849         (__mips16_call_stub_sf_1): Macro-ified.
850         (__mips16_call_stub_sf_5): Macro-ified.
851         (__mips16_call_stub_sf_2): Macro-ified.
852         (__mips16_call_stub_sf_6): Macro-ified.
853         (__mips16_call_stub_sf_9): Macro-ified.
854         (__mips16_call_stub_sf_10): Macro-ified.
855         (__mips16_call_stub_df_0): Macro-ified.
856         (__mips16_call_stub_df_1): Macro-ified.
857         (__mips16_call_stub_df_5): Macro-ified.
858         (__mips16_call_stub_df_2): Macro-ified.
859         (__mips16_call_stub_df_6): Macro-ified.
860         (__mips16_call_stub_df_9): Macro-ified.
861         (__mips16_call_stub_df_10): Macro-ified.
862         (__mips16_call_stub_sc_0): New.
863         (__mips16_call_stub_sc_1): New.
864         (__mips16_call_stub_sc_5): New.
865         (__mips16_call_stub_sc_2): New.
866         (__mips16_call_stub_sc_6): New.
867         (__mips16_call_stub_sc_9): New.
868         (__mips16_call_stub_sc_10): New.
869         (__mips16_call_stub_dc_0): New.
870         (__mips16_call_stub_dc_1): New.
871         (__mips16_call_stub_dc_5): New.
872         (__mips16_call_stub_dc_2): New.
873         (__mips16_call_stub_dc_6): New.
874         (__mips16_call_stub_dc_9): New.
875         (__mips16_call_stub_dc_10): New.
876
877         * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
878         * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
879         * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
880
881 2007-05-23  Ian Lance Taylor  <iant@google.com>
882
883         * doc/invoke.texi (Invoking GCC): Document that the order of the
884         -l option matters.
885
886 2007-05-23  Chen Liqin  <liqin@sunnorth.com.cn>
887
888         PR target/30987
889         * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
890         * config/score/predicate.md (const_pow2, const_npow2): Remove.
891         * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
892         undef.
893
894         PR target/30474
895         * config/score/score.c (score_print_operand): Make sure that only
896         lower bits are used.
897
898 2007-05-22  Ian Lance Taylor  <iant@google.com>
899
900         * tree-vrp.c (avoid_overflow_infinity): New static function,
901         broken out of set_value_range_to_value.
902         (set_value_range_to_value): Call avoid_overflow_infinity.
903         (extract_range_from_assert): Likewise.
904
905 2007-05-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
906
907         PR middle-end/31095
908          * builtins.c (expand_builtin_memmove_args): Strip nops that don't
909         change the type before looking for a COMPOUND_EXPR.
910
911 2007-05-22  Ian Lance Taylor  <iant@google.com>
912
913         * lower-subreg.c (decompose_multiword_subregs): If we change an
914         insn, call remove_retval_note on it.
915
916 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
917
918         * regs.h (end_hard_regno): New function.
919         (END_HARD_REGNO, END_REGNO): New macros.
920         (add_to_hard_reg_set): New function.
921         (remove_from_hard_reg_set): Likewise.
922         (in_hard_reg_set_p): Likewise.
923         (overlaps_hard_reg_set_p): Likewise.
924         * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
925         (note_btr_set): Use END_HARD_REGNO.
926         * caller-save.c (setup_save_areas): Use end_hard_regno.
927         (mark_set_regs): Use END_HARD_REGNO.
928         (add_stored_regs): Use end_hard_regno.
929         (mark_referenced_regs): Use add_to_hard_reg_set.
930         * combine.c (update_table_tick): Use END_REGNO.
931         (record_value_for_reg): Likewise.
932         (record_dead_and_set_regs): Likewise.
933         (get_last_value_validate): Likewise.
934         (use_crosses_set_p): Likewise.
935         (reg_dead_at_p_1): Likewise.
936         (reg_dead_at_p): Likewise.
937         (mark_used_regs_combine): Use add_to_hard_reg_set.
938         (move_deaths): Use END_HARD_REGNO.
939         (reg_bitfield_target_p): Use end_hard_regno.
940         (distribute_notes): Use END_HARD_REGNO.
941         * cse.c (mention_regs): Use END_REGNO.
942         (insert): Use add_to_hard_reg_set.
943         (invalidate): Use END_HARD_REGNO.
944         (invalidate_for_call): Likewise.
945         (exp_equiv_p): Use END_REGNO.
946         (cse_insn): Likewise.
947         * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
948         * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
949         * df-scan.c (df_ref_record): Use END_HARD_REGNO.
950         * function.c (keep_stack_depressed): Use end_hard_regno.
951         * global.c (global_alloc): Use end_hard_regno.
952         (global_conflicts): Use add_to_hard_reg_set instead of
953         mark_reg_live_nc.
954         (find_reg): Likewise.
955         (mark_reg_store): Likewise.
956         (mark_reg_conflicts): Likewise.
957         (mark_reg_death): Use remove_from_hard_reg_set.
958         (mark_reg_live_nc): Delete.
959         (set_preference): Use end_hard_regno.
960         * local-alloc.c (mark_life): Use add_to_hard_reg_set and
961         remove_from_hard_reg_set.
962         (post_mark_life): Use add_to_hard_reg_set.
963         * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
964         (reg_becomes_live): Use add_to_hard_reg_set.
965         * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
966         (peep2_find_free_register): Use add_to_hard_reg_set.
967         * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
968         * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
969         * regrename.c (note_sets): Use add_to_hard_reg_set.
970         (clear_dead_regs): Use remove_from_hard_reg_set.
971         (regrename_optimize): Use add_to_hard_reg_set.
972         (find_oldest_value_reg): Use in_hard_reg_set_p.
973         * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
974         (hard_reg_set_here_p): Use end_hard_regno.
975         (decompose): Likewise.
976         (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
977         (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
978         * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
979         (mark_home_live): Use end_hard_regno.
980         (spill_hard_reg): Likewise.
981         (clear_reload_reg_in_use): Likewise.
982         * reorg.c (delete_prior_computation): Use END_REGNO.
983         * resource.c (update_live_status): Use END_HARD_REGNO.
984         (mark_referenced_resources): Use add_to_hard_reg_set.
985         (mark_set_resources): Likewise.
986         (mark_target_live_regs): Likewise.  Use remove_from_hard_reg_set.
987         * rtlanal.c (refers_to_regno_p): Use END_REGNO.
988         (reg_overlap_mentioned_p): Likewise.
989         (dead_or_set_p): Likewise.  Use an exclusive upper loop bound.
990         (covers_regno_no_parallel_p): Use END_REGNO.
991         (find_regno_note): Likewise.
992         (find_reg_fusage): Use END_HARD_REGNO.
993         * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
994         * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
995
996 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
997
998         * mode-switching.c (reg_dies): Change type of second argument to
999         "HARD_REG_SET *".
1000         (optimize_mode_switching): Update accordingly.
1001
1002 2007-05-22  Richard Sandiford  <richard@codesourcery.com>
1003
1004         * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
1005         in favor of...
1006         (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
1007         (hard_reg_set_empty_p): ...these new functions.
1008         * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
1009         GO_IF_HARD_REG_SUBSET.
1010         * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
1011         instead of GO_IF_HARD_REG_EQUAL.
1012         * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
1013         instead of GO_IF_HARD_REG_EQUAL.
1014         * global.c (find_reg): Use hard_reg_set_empty_p instead of
1015         GO_IF_HARD_REG_SUBSET.
1016         (modify_reg_pav): Use hard_reg_set_empty_p instead of
1017         GO_IF_HARD_REG_EQUAL.
1018         * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
1019         of GO_IF_HARD_REG_SUBSET.
1020         * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
1021         instead of GO_IF_HARD_REG_EQUAL.
1022         * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
1023         hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
1024         (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
1025         of GO_IF_HARD_REG_SUBSET,
1026         * reload1.c (finish_spills): Use hard_reg_subset_p instead of
1027         GO_IF_HARD_REG_SUBSET.
1028         * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
1029         instead of GO_IF_HARD_REG_EQUAL.
1030         * config/sh/sh.c (push_regs, calc_live_regs): Use
1031         hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
1032         (hard_regs_intersect_p): Delete.
1033
1034 2007-05-22  Janis Johnson  <janis187@us.ibm.com>
1035
1036         * doc/sourcebuild.texi (Test Directives) Add dg-message.
1037
1038 2007-05-22  H.J. Lu  <hongjiu.lu@intel.com>
1039             Richard Henderson  <rth@redhat.com>
1040
1041         * config.gcc (i[34567]86-*-*): Add smmintrin.h to
1042         extra_headers.
1043         (x86_64-*-*): Likewise.
1044
1045         * i386/i386-modes.def (V2QI): New.
1046
1047         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
1048         SSE4A.
1049         (override_options): Support SSE4.1.
1050         (IX86_BUILTIN_BLENDPD): New for SSE4.1.
1051         (IX86_BUILTIN_BLENDPS): Likewise.
1052         (IX86_BUILTIN_BLENDVPD): Likewise.
1053         (IX86_BUILTIN_BLENDVPS): Likewise.
1054         (IX86_BUILTIN_PBLENDVB128): Likewise.
1055         (IX86_BUILTIN_PBLENDW128): Likewise.
1056         (IX86_BUILTIN_DPPD): Likewise.
1057         (IX86_BUILTIN_DPPS): Likewise.
1058         (IX86_BUILTIN_INSERTPS128): Likewise.
1059         (IX86_BUILTIN_MOVNTDQA): Likewise.
1060         (IX86_BUILTIN_MPSADBW128): Likewise.
1061         (IX86_BUILTIN_PACKUSDW128): Likewise.
1062         (IX86_BUILTIN_PCMPEQQ): Likewise.
1063         (IX86_BUILTIN_PHMINPOSUW128): Likewise.
1064         (IX86_BUILTIN_PMAXSB128): Likewise.
1065         (IX86_BUILTIN_PMAXSD128): Likewise.
1066         (IX86_BUILTIN_PMAXUD128): Likewise.
1067         (IX86_BUILTIN_PMAXUW128): Likewise.
1068         (IX86_BUILTIN_PMINSB128): Likewise.
1069         (IX86_BUILTIN_PMINSD128): Likewise.
1070         (IX86_BUILTIN_PMINUD128): Likewise.
1071         (IX86_BUILTIN_PMINUW128): Likewise.
1072         (IX86_BUILTIN_PMOVSXBW128): Likewise.
1073         (IX86_BUILTIN_PMOVSXBD128): Likewise.
1074         (IX86_BUILTIN_PMOVSXBQ128): Likewise.
1075         (IX86_BUILTIN_PMOVSXWD128): Likewise.
1076         (IX86_BUILTIN_PMOVSXWQ128): Likewise.
1077         (IX86_BUILTIN_PMOVSXDQ128): Likewise.
1078         (IX86_BUILTIN_PMOVZXBW128): Likewise.
1079         (IX86_BUILTIN_PMOVZXBD128): Likewise.
1080         (IX86_BUILTIN_PMOVZXBQ128): Likewise.
1081         (IX86_BUILTIN_PMOVZXWD128): Likewise.
1082         (IX86_BUILTIN_PMOVZXWQ128): Likewise.
1083         (IX86_BUILTIN_PMOVZXDQ128): Likewise.
1084         (IX86_BUILTIN_PMULDQ128): Likewise.
1085         (IX86_BUILTIN_PMULLD128): Likewise.
1086         (IX86_BUILTIN_ROUNDPD): Likewise.
1087         (IX86_BUILTIN_ROUNDPS): Likewise.
1088         (IX86_BUILTIN_ROUNDSD): Likewise.
1089         (IX86_BUILTIN_ROUNDSS): Likewise.
1090         (IX86_BUILTIN_PTESTZ): Likewise.
1091         (IX86_BUILTIN_PTESTC): Likewise.
1092         (IX86_BUILTIN_PTESTNZC): Likewise.
1093         (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
1094         (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
1095         (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
1096         (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
1097         (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
1098         (bdesc_ptest): New.
1099         (bdesc_sse_3arg): Likewise.
1100         (bdesc_2arg): Likewise.
1101         (bdesc_1arg): Likewise.
1102         (ix86_init_mmx_sse_builtins): Support SSE4.1.  Handle SSE builtins
1103         with 3 args.
1104         (ix86_expand_sse_4_operands_builtin): New.
1105         (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
1106         smaller than 8 bits as the 2nd arg.
1107         (ix86_expand_sse_ptest): New.
1108         (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
1109         (ix86_expand_vector_set): Support SSE4.1.
1110         (ix86_expand_vector_extract): Likewise.
1111
1112         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
1113         __SSE4_1__ for -msse4.1.
1114
1115         * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
1116         (UNSPEC_INSERTPS): Likewise.
1117         (UNSPEC_DP): Likewise.
1118         (UNSPEC_MOVNTDQA): Likewise.
1119         (UNSPEC_MPSADBW): Likewise.
1120         (UNSPEC_PHMINPOSUW): Likewise.
1121         (UNSPEC_PTEST): Likewise.
1122         (UNSPEC_ROUNDP): Likewise.
1123         (UNSPEC_ROUNDS): Likewise.
1124
1125         * config/i386/i386.opt (msse4.1): New for SSE4.1.
1126
1127         * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
1128         (const_pow2_1_to_32768_operand): Likewise.
1129
1130         * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
1131         file.
1132
1133         * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
1134         SSE4.1.
1135         (sse4_1_insertps): Likewise.
1136         (*sse4_1_extractps): Likewise.
1137         (sse4_1_ptest): Likewise.
1138         (sse4_1_mulv2siv2di3): Likewise.
1139         (*sse4_1_mulv4si3): Likewise.
1140         (*sse4_1_smax<mode>3): Likewise.
1141         (*sse4_1_umax<mode>3): Likewise.
1142         (*sse4_1_smin<mode>3): Likewise.
1143         (*sse4_1_umin<mode>3): Likewise.
1144         (sse4_1_eqv2di3): Likewise.
1145         (*sse4_1_pinsrb): Likewise.
1146         (*sse4_1_pinsrd): Likewise.
1147         (*sse4_1_pinsrq): Likewise.
1148         (*sse4_1_pextrb): Likewise.
1149         (*sse4_1_pextrb_memory): Likewise.
1150         (*sse4_1_pextrw_memory): Likewise.
1151         (*sse4_1_pextrq): Likewise.
1152         (sse4_1_blendpd): Likewise.
1153         (sse4_1_blendps): Likewise.
1154         (sse4_1_blendvpd): Likewise.
1155         (sse4_1_blendvps): Likewise.
1156         (sse4_1_dppd): Likewise.
1157         (sse4_1_dpps): Likewise.
1158         (sse4_1_movntdqa): Likewise.
1159         (sse4_1_mpsadbw): Likewise.
1160         (sse4_1_packusdw): Likewise.
1161         (sse4_1_pblendvb): Likewise.
1162         (sse4_1_pblendw): Likewise.
1163         (sse4_1_phminposuw): Likewise.
1164         (sse4_1_extendv8qiv8hi2): Likewise.
1165         (*sse4_1_extendv8qiv8hi2): Likewise.
1166         (sse4_1_extendv4qiv4si2): Likewise.
1167         (*sse4_1_extendv4qiv4si2): Likewise.
1168         (sse4_1_extendv2qiv2di2): Likewise.
1169         (*sse4_1_extendv2qiv2di2): Likewise.
1170         (sse4_1_extendv4hiv4si2): Likewise.
1171         (*sse4_1_extendv4hiv4si2): Likewise.
1172         (sse4_1_extendv2hiv2di2): Likewise.
1173         (*sse4_1_extendv2hiv2di2): Likewise.
1174         (sse4_1_extendv2siv2di2): Likewise.
1175         (*sse4_1_extendv2siv2di2): Likewise.
1176         (sse4_1_zero_extendv8qiv8hi2): Likewise.
1177         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
1178         (sse4_1_zero_extendv4qiv4si2): Likewise.
1179         (*sse4_1_zero_extendv4qiv4si2): Likewise.
1180         (sse4_1_zero_extendv2qiv2di2): Likewise.
1181         (*sse4_1_zero_extendv2qiv2di2): Likewise.
1182         (sse4_1_zero_extendv4hiv4si2): Likewise.
1183         (*sse4_1_zero_extendv4hiv4si2): Likewise.
1184         (sse4_1_zero_extendv2hiv2di2): Likewise.
1185         (*sse4_1_zero_extendv2hiv2di2): Likewise.
1186         (sse4_1_zero_extendv2siv2di2): Likewise.
1187         (*sse4_1_zero_extendv2siv2di2): Likewise.
1188         (sse4_1_roundpd): Likewise.
1189         (sse4_1_roundps): Likewise.
1190         (sse4_1_roundsd): Likewise.
1191         (sse4_1_roundss): Likewise.
1192         (mulv4si3): Don't expand for SSE4.1.
1193         (smax<mode>3): Likewise.
1194         (umaxv4si3): Likewise.
1195         (uminv16qi3): Likewise.
1196         (umin<mode>3): Likewise.
1197         (umaxv8hi3): Rewrite.  Only enabled for SSE4.1.
1198
1199         * doc/extend.texi: Document SSE4.1 built-in functions.
1200
1201         * doc/invoke.texi: Document -msse4.1.
1202
1203 2007-05-22  Nathan Sidwell  <nathan@codesourcery.com>
1204
1205         * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
1206         * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
1207         * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
1208         (ASM_SPEC): Add asm_pcrel_spec.
1209         (EXTRA_SPECS): Add asm_pcrel_spec.
1210
1211 2007-05-21  David Daney  <ddaney@avtrex.com>
1212
1213         * doc/install.texi (Building a cross compiler): Add requirements
1214         for Java cross compiler.
1215
1216 2007-05-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1217
1218         PR middle-end/31995
1219         * tree-chrec.c (evolution_function_is_affine_multivariate_p):
1220         Add loopno argument.  Use evolution_function_is_invariant_rec_p
1221         instead of evolution_function_is_constant_p.
1222         Update calls to evolution_function_is_affine_multivariate_p.
1223         * tree-chrec.h (evolution_function_is_affine_multivariate_p):
1224         Add loopno argument.
1225         * tree-scalar-evolution.c (gather_chrec_stats): Call
1226         evolution_function_is_affine_multivariate_p with a loop
1227         number of 0.
1228         * tree-data-ref.c (analyze_miv_subscript): Likewise.
1229         (analyze_overlapping_iterations): Likewise.
1230         (access_functions_are_affine_or_constant_p): Likewise.
1231         (build_classic_dist_vector_1): If the access functions
1232         are equal, don't do anything.
1233
1234 2007-05-21  Paolo Bonzini  <bonzini@gnu.org>
1235             Paolo Carlini  <pcarlini@suse.de>
1236             Uros Bizjak  <ubizjak@gmail.com>
1237
1238         * c-cppbuiltin.c (c_cpp_builtins): Define
1239         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
1240         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
1241         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
1242         * doc/cpp.texi ([Standard Predefined Macros]): Document.
1243
1244 2007-05-21  Mike Stump  <mrs@apple.com>
1245
1246         * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
1247         handling as well.
1248         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
1249
1250 2007-05-21  Uros Bizjak  <ubizjak@gmail.com>
1251
1252         * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
1253         implementation if __OPTIMIZE__ is not defined.
1254         (_mm_alignr_pi8): Ditto.
1255         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
1256         (_mm_inserti_si64): Ditto.
1257         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
1258         (_mm_slli_epi16): Ditto.
1259         (_mm_slli_epi32): Ditto.
1260         (_mm_slli_epi64): Ditto.
1261         (_mm_srai_epi16): Ditto.
1262         (_mm_srai_epi32): Ditto.
1263         (_mm_srli_si128): Ditto.
1264         (_mm_slli_si128): Ditto.
1265         (_mm_srli_epi16): Ditto.
1266         (_mm_srli_epi32): Ditto.
1267         (_mm_srli_epi64): Ditto.
1268         (_mm_extract_epi16): Ditto.
1269         (_mm_insert_epi16): Ditto.
1270         (_mm_shufflehi_epi16): Ditto.
1271         (_mm_shufflelo_epi16): Ditto.
1272         (_mm_shuffle_epi32): Ditto.
1273         * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
1274         (_m_pextrw): Ditto.
1275         (_mm_insert_pi16): Ditto.
1276         (_m_pinsrw): Ditto.
1277         (_mm_shuffle_pi16): Ditto.
1278         (_m_pshufw): Ditto.
1279         (_mm_shufle_ps): Ditto.
1280         (_mm_prefetch): Ditto.
1281
1282 2007-05-21  Andreas Krebbel  <krebbel1@de.ibm.com>
1283
1284         * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
1285         * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
1286         * real.c (encode_i370_single, decode_i370_single,
1287         encode_i370_double, decode_i370_double): Functions removed.
1288         (i370_single_format, i370_double_format): Initializations removed.
1289         (real_maxval, round_for_format, exact_real_truncate, significand_size):
1290         Consider the log2_b field to always be one.
1291         (ieee_single_format, mips_single_format, coldfire_single_format,
1292         ieee_double_format, mips_double_format, coldfire_double_format,
1293         ieee_extended_motorola_format, ieee_extended_intel_96_format,
1294         ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
1295         ibm_extended_format, mips_extended_format, ieee_quad_format,
1296         mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
1297         decimal_single_format, decimal_double_format, decimal_quad_format,
1298         c4x_single_format, c4x_extended_format, real_internal_format): Remove
1299         initialization of log2_b.
1300         * real.h (i370_single_format, i370_double_format): Declarations removed.
1301         * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
1302         field to always be one.
1303
1304 2007-05-21  Andreas Schwab  <schwab@suse.de>
1305
1306         * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
1307         NOTE_INSN_BASIC_BLOCK_P.
1308         (process_for_unwind_directive): Likewise.
1309
1310 2007-05-21  Nathan Sidwell  <nathan@codesourcery.com>
1311
1312         * builtins.c (expand_builtin_setjmp_setup): Update comment.
1313         * function.h (struct function): Move va_list_gpr_size,
1314         va_list_fpr_size, function_frequency to front of bitfields.  Add
1315         calls_unwind_init.
1316         (current_function_calls_unwind_init): New.
1317         * except.c (expand_builtin_unwind_init): Set
1318         current_function_calls_unwind_init not
1319         current_function_has_nonlocal_label.
1320         * reload1.c (has_nonexceptional_receiver): New.
1321         (reload): Use it and current_function_calls_unwind_init to
1322         determine whether call-saved regs must be saved.
1323
1324 2007-05-20  Jan Hubicka  <jh@suse.cz>
1325
1326         * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
1327         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
1328         * ddg.c (create_ddg): LIkewise.
1329         * final.c (final): Remove hunk moving line numbernotes around since
1330         they are no longer present at this stage.
1331         (final_scan_insn): Use NOTE_KIND instead of
1332         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
1333         (output_asm_label): Likewise.
1334         * reorg.c (dbr_schedule): Likewise.
1335         * haifa-sched.c (unlink_other_notes): Likewise.
1336         * mode-switching.c (optimize_mode_switching): Likewise.
1337         * graph.c (start_bb): Likewise.
1338         * rtl.def (NOTE): Update description.
1339         * jump.c (squeeze_notes): Delete.
1340         (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
1341         NOTE_INSN_BASIC_BLOCK_P when possible.
1342         * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
1343         * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
1344         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
1345         (dwarf2out_var_location): Likewise.
1346         * cfgbuild.c (make_edges): Likewise.
1347         (find_basic_blocks_1): Likewise.
1348         * function.c (reorder_blocks_1): Likewise.
1349         (epilogue_done): Likewise.
1350         (reposition_prologue_and_epilogue_notes): Likewise.
1351         * print-rtl.c (print_rtx): Likewise; drop code for printing line number
1352         notes.
1353         (print_rtl): Likewise.
1354         (print_rtl_single): Likewise.
1355         * gcse.c (insert_insn_start_bb): Likewise.
1356         * alias.c (init_alias_analysis): Likewise.
1357         * calls.c (fixup_tail_calls): Likewise.
1358         * except.c (sjlj_emit_function_enter): Likewise.
1359         * emit-rtl.c (add_insn_after): Likeiwse.
1360         (emit_label_before): Likewise.
1361         (emit_label_after): Likewise.
1362         (emit_note_before, emit_note_after, emit_note): Update
1363         parameter to be enum insn_note; do not deal with source
1364         files.
1365         * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
1366         Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
1367         when possible.
1368         (merge_blocks_move_successor_nojumps): Simplify now when
1369         we don't have BLOCK notes.
1370         (try_optimize_cfg): Likewise.
1371         * cfglayout.c (skip_insns_after_block): Likewise.
1372         (record_effective_endpoints): Likewise.
1373         (duplicate_insn_chain): Likewise.
1374         * varasm.c (output_constant_pool_1): Likewise.
1375         * sched-deps.c (sched_analyze): Likewise.
1376         * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
1377         Exterminate.
1378         (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
1379         * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
1380         (SET_INSN_DELETED): Simplify.
1381         (NOTE_LINE_NUMBER): Exterminate.
1382         (NOTE_LINE_KIND): New.
1383         (NOTE_INSN_BASIC_BLOCK_P): Update.
1384         (enum insn_note): Simplify.
1385         (GET_NOTE_INSN_NAME) Simplify.
1386         (emit_note_before, emit_note_after, emit_note): Update prototype.
1387         (squeeze_notes): Remove.
1388         * sched-int.h (NOTE_NOT_BB_P): Update.
1389         * resource.c (mark_target_live_regs): Update.
1390         * sched-rgn.c (debug_dependencies): Update.
1391         * sched-vis.c (print_insn): Update.
1392         * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
1393         * config/i386/i386.c (ix86_output_function_epilogue): Update.
1394         * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
1395         (TARGET_ADJUST_UNROLL_MAX): Likewise.
1396         (split_branches): Update.
1397         (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
1398         4.0.0.
1399         (sh_adjust_unroll_max): Exterminate.
1400         * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
1401         * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
1402         (m68hc11_reorg): Likewise.
1403         * config/ia64/ia64.c (emit_insn_group_barriers): Update.
1404         (emit_predicate_relation_info): Update.
1405         (process_for_unwind_directive): Update.
1406         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
1407         (output_call): Update.
1408         * config/pa/pa.c (output_lbranch): Update.
1409         (output_millicode_call): Update.
1410         (output_call): Update.
1411         (pa_combine_instructions): Update.
1412         * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
1413         * config/bfin/bfin.c (gen_one_bundle): Update.
1414         * cfgrtl.c (can_delete_note_p): Update.
1415         (delete_insn): Update.
1416         (rtl_merge_blocks): Update.
1417         (commit_one_edge_insertion): Update.
1418         (rtl_verify_flow_info): Update.
1419         * stmt.c (expand_case): Do not call squeeze_notes.
1420
1421 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1422
1423         PR middle-end/7651
1424         PR c++/11856
1425         PR c/12963
1426         PR c/23587
1427         PR other/29694
1428         * c.opt (Wtype-limits): New.
1429         * doc/invoke.texi (Wtype-limits): Document it.
1430         (Wextra): Enabled by -Wextra.
1431         * c-opts.c (c_common_post_options): Enabled by -Wextra.
1432         * c-common.c (shorten_compare): Warn with Wtype-limits.
1433
1434 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
1435
1436         * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
1437         inlined function, not as a macro.
1438         (_mm_alignr_pi8): Ditto.
1439         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
1440         (_mm_inserti_si64): Ditto.
1441         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
1442         (_mm_extract_epi16): Ditto.
1443         (_mm_insert_epi16): Ditto.
1444         (_mm_shufflehi_epi16): Ditto.
1445         (_mm_shufflelo_epi16): Ditto.
1446         (_mm_shuffle_epi32): Ditto.
1447         * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
1448         * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
1449         all functions.
1450         (_m_from_float): Add __extension__ to conversion.  Use 0.0f for
1451         float constant.
1452         (_m_to_float): Use C89 compatible assignment.
1453
1454 2007-04-20  Martin Michlmayr  <tbm@cyrius.com>
1455
1456         PR target/32007
1457         * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
1458
1459 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1460
1461         PR middle-end/7651
1462         * doc/invoke.texi (Wreturn-type): Complete description.
1463         (Wextra): Delete item about return-type warning.
1464         * c-decl.c: Delete redundant Wextra warning.
1465
1466 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
1467
1468         PR target/31585
1469         * config/i386/pmmintrin.h: Do not include xmmintrin.h
1470         * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
1471         inlined function, not as a macro.
1472         (_mm_prefetch): Ditto.
1473         (_m_pextrw): Ditto.
1474         (_mm_insert_pi16): Ditto.
1475         (_m_pinsrw): Ditto.
1476         (_mm_shuffle_pi16): Ditto.  Add const to __N argument.
1477         (_m_pshufw): Ditto. Add const to __N argument.
1478         (_mm_shufle_ps): Ditto.  Add const to __mask argument.
1479         * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
1480         (_mm_slli_epi32): Ditto.
1481         (_mm_srli_si128): Implement as always inlined function, not as a macro.
1482         Add __inline to function declaration.
1483         (_mm_slli_si128): Ditto.
1484
1485 2007-05-19  Uros Bizjak  <ubizjak@gmail.com>
1486
1487         * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
1488         FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
1489         New constants.
1490         (struct fenv): New structure.
1491         (FP_HANDLE_EXCEPTIONS): New define.
1492         (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
1493         (_FP_DECL_EXP): New define.
1494         (FP_INIT_ROUNDMODE): New define.
1495         (FP_ROUNDMODE): New define.
1496
1497 2007-05-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1498
1499         * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
1500         (Wconversion): Update description.
1501         (Wconversion-sign): New.
1502         * c.opt (Wconversion-sign): New.
1503         * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
1504         means disabled for C++. Otherwise, take the status of Wconversion.
1505         * c-common.c (conversion_warning): Warn with either Wconversion or
1506         Wconversion-sign.
1507         (warnings_for_convert_and_check): Conditions are already checked by
1508         conversion_warning.
1509         (convert_and_check): Don't check warnings if the conversion failed.
1510
1511 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
1512            Anatoly Sokolov <aesok@dol.ru>
1513
1514         * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
1515         avr_epilogue_uses) : Add declaration.
1516         * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
1517         * config/avr/constraints.md (R): New constraint.
1518         config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
1519         UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
1520         (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
1521         (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
1522         (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
1523         call_prologue_saves, epilogue_restores, return_from_epilogue,
1524         return_from_main_epilogue, return_from_interrupt_epilogue,
1525         return_from_naked_epilogue, prologue, epilogue): New patterns.
1526         (jump): Handle symbol reference.
1527         * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
1528         avr_output_function_prologue, avr_output_function_epilogue): Remove
1529         functions.
1530         (avr_init_machine_status, expand_prologue, expand_epilogue,
1531         avr_asm_function_end_prologue, avr_epilogue_uses,
1532         avr_asm_function_begin_epilogue): New functions.
1533         (prologue_size, epilogue_size, jump_tables_size): Remove global
1534         variables.
1535         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
1536         (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
1537         (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
1538         (avr_override_options): Initialise init_machine_status.
1539         (output_movhi): Handle all stack pointer loads.
1540         (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
1541         (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
1542         * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
1543         (EPILOGUE_USES) Redefine.
1544         (machine_function) Declare.
1545
1546 2007-05-19  Richard Sandiford  <richard@codesourcery.com>
1547
1548         * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
1549         Use a single return statement.
1550
1551 2007-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1552
1553         PR middle-end/30250
1554         * builtins.c (do_mpfr_lgamma_r): New.
1555         (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
1556         * tree.h (CASE_FLT_FN_REENT): New.
1557
1558 2007-05-18  Geoffrey Keating  <geoffk@apple.com>
1559
1560         * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
1561         (output_die): Use 'unsigned long' with %x.
1562         * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
1563         HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
1564         * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
1565
1566         * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
1567
1568 2007-05-18  H.J. Lu  <hongjiu.lu@intel.com>
1569
1570         PR target/31989
1571         PR target/31681
1572         PR target/31666
1573         * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
1574         true if function has no argument.
1575
1576 2007-05-18  DJ Delorie  <dj@redhat.com>
1577
1578         * config/mips/mips.c (mips_offset_within_alignment_p): New.
1579         (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
1580
1581 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
1582
1583         * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
1584         sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
1585         count_trailing_zeros.
1586         (__i386__): Implement count_leading_zeros using __builtin_clz().
1587         Implement count_trailing_zeros usign __builtin_ctz().
1588
1589 2007-05-18  Richard Sandiford  <richard@codesourcery.com>
1590
1591         * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
1592
1593 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
1594
1595         PR middle-end/31344
1596         * expr.c (emit_move_change_mode): Change mode of push operands here.
1597
1598 2007-05-17  Ian Lance Taylor  <iant@google.com>
1599
1600         PR tree-optimization/31953
1601         * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
1602         Change all callers.
1603         (set_value_range_to_null): Call set_value_range_to_value.
1604         (extract_range_from_comparison): Likewise.
1605
1606 2007-05-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1607
1608         * toplev.c (print_version): Output GMP/MPFR version info.
1609
1610         * builtins.c (CASE_MATHFN_REENT): New macro.
1611         (mathfn_built_in): Use it.
1612         * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
1613         BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
1614         BUILT_IN_LGAMMAL_R): New.
1615         * doc/extend.texi: Document new builtins.
1616
1617         PR middle-end/31796
1618         * builtins.c (do_mpfr_remquo): New.
1619         (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
1620         (fold_builtin_3): Handle BUILT_IN_REMQUO.
1621
1622         PR middle-end/30251
1623         * builtins.c (fold_builtin_1): Handle y0, y1.
1624         (fold_builtin_2): Handle yn.
1625
1626         PR middle-end/30251
1627         * builtins.c (do_mpfr_bessel_n): New.
1628         (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
1629         (fold_builtin_2): Handle BUILT_IN_JN.
1630
1631 2007-05-17  Danny Smith  <dannysmith@users.sourceforge.net>
1632
1633         PR target/31965
1634         * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
1635         TYPE_PRECISION (intmax_type_node).
1636
1637 2007-05-17  Steve Ellcey  <sje@cup.hp.com>
1638
1639         PR target/31850
1640         * reload.c (subst_reloads): Remove checking.
1641
1642 2007-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
1643
1644         PR rtl-optimization/31691
1645         * combine.c (simplify_set): Build a new src pattern instead of
1646         substituting its operands in the COMPARE case.
1647
1648 2007-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
1649
1650         * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
1651         (execute_vrp): Preserve loops through jump threading.
1652         * tree-ssa-threadupdate.c (thread_single_edge,
1653         dbds_continue_enumeration_p, determine_bb_domination_status,
1654         thread_through_loop_header): New functions.
1655         (create_edge_and_update_destination_phis,
1656         create_edge_and_update_destination_phis): Set loops for the new blocks.
1657         (prune_undesirable_thread_requests): Removed.
1658         (redirect_edges): Do not pretend that redirect_edge_and_branch can
1659         create new blocks.
1660         (thread_block): Do not call prune_undesirable_thread_requests.
1661         Update loops.
1662         (mark_threaded_blocks): Select edges to thread here.
1663         (thread_through_all_blocks): Take may_peel_loop_headers argument.
1664         Thread edges through loop headers independently.
1665         * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
1666         * tree-pass.h (TODO_mark_first_instance): New.
1667         (first_pass_instance): Declare.
1668         * cfghooks.c (duplicate_block): Put the block to the original loop
1669         if copy is not specified.
1670         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
1671         jump threading.  Pass may_peel_loop_headers to
1672         thread_through_all_blocks according to first_pass_instance.
1673         * cfgloop.h (create_preheader): Declare.
1674         * tree-flow.h (thread_through_all_blocks): Declaration changed.
1675         * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
1676         * passes.c (first_pass_instance): New variable.
1677         (next_pass_1): Set TODO_mark_first_instance.
1678         (execute_todo): Set first_pass_instance.
1679
1680 2007-05-17  Uros Bizjak  <ubizjak@gmail.com>
1681
1682         PR tree-optimization/24659
1683         * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
1684         OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
1685         OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
1686         OTI_vec_pack_ufix_trunc.
1687         (vec_unpacks_float_hi_optab): Define new macro.
1688         (vec_unpacks_float_lo_optab): Ditto.
1689         (vec_unpacku_float_hi_optab): Ditto.
1690         (vec_unpacku_float_lo_optab): Ditto.
1691         (vec_pack_sfix_trunc_optab): Ditto.
1692         (vec_pack_ufix_trunc_optab): Ditto.
1693         * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
1694         and vec_pack_[s|u]fix_trunc_optab using
1695         vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
1696         * tree-vectorizer.c (supportable_widening_operation): Handle
1697         FLOAT_EXPR and CONVERT_EXPR.  Update comment.
1698         (supportable_narrowing_operation): New function.
1699         * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
1700         * tree-vect-transform.c (vectorizable_conversion): Handle
1701         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
1702         (vect_gen_widened_results_half): Move before vectorizable_conversion.
1703         (vectorizable_type_demotion): Call supportable_narrowing_operation()
1704         to check for target support.
1705         * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
1706         for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
1707         for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
1708         for VEC_PACK_FIX_TRUNC_EXPR.
1709         (expand_binop): Special case mode of the result for
1710         vec_pack_[u|s]fix_trunc_optab.
1711         (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
1712         vec_pack_[u|s]fix_trunc_optab.
1713
1714         * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
1715         VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
1716         * tree-pretty-print.c (dump_generic_node): Handle
1717         VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
1718         VEC_PACK_FIX_TRUNC_EXPR.
1719         (op_prio): Ditto.
1720         * expr.c (expand_expr_real_1): Ditto.
1721         * tree-inline.c (estimate_num_insns_1): Ditto.
1722         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1723
1724         * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
1725         (vec_unpacks_float_lo_v8hi): Ditto.
1726         (vec_unpacku_float_hi_v8hi): Ditto.
1727         (vec_unpacku_float_lo_v8hi): Ditto.
1728         (vec_unpacks_float_hi_v4si): Ditto.
1729         (vec_unpacks_float_lo_v4si): Ditto.
1730         (vec_pack_sfix_trunc_v2df): Ditto.
1731
1732         * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
1733         Document.
1734         [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
1735         [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
1736         * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
1737         [vec_pack_ufix_trunc]: Ditto.
1738         [vec_unpacks_float_hi]: Ditto.
1739         [vec_unpacks_float_lo]: Ditto.
1740         [vec_unpacku_float_hi]: Ditto.
1741         [vec_unpacku_float_lo]: Ditto.
1742
1743 2007-05-16  Uros Bizjak  <ubizjak@gmail.com>
1744
1745         * soft-fp/README: Update for new files.
1746         * soft-fp/floattisf.c: New file.
1747         * soft-fp/floattidf.c: New file.
1748         * soft-fp/floattitf.c: New file.
1749         * soft-fp/floatuntisf.c: New file.
1750         * soft-fp/floatuntidf.c: New file.
1751         * soft-fp/floatuntitf.c: New file.
1752         * soft-fp/fixsfti.c: New file.
1753         * soft-fp/fixdfti.c: New file.
1754         * soft-fp/fixtfti.c: New file.
1755         * soft-fp/fixunssfti.c: New file.
1756         * soft-fp/fixunsdfti.c: New file.
1757         * soft-fp/fixunstfti.c: New file.
1758         * soft-fp/extendxftf.c: New file.
1759         * soft-fp/trunctfxf.c: New file.
1760
1761         * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
1762         (__trunctfxf2): Ditto.
1763
1764         * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
1765         __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
1766         __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
1767         __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
1768         __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
1769         __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
1770
1771         * config/i386/t-fprules-softfp64: New file.
1772         * config/i386/sfp-machine.h: New file.
1773         * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
1774         x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
1775         and soft-fp/t-softfp to tmake_file.
1776         (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
1777         i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
1778
1779         * config/i386/t-linux64 (softfp_wrap_start): New.
1780         (softfp_wrap_end): New.
1781         * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
1782         supported for TARGET_64BIT.
1783
1784 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
1785
1786         * c-common.c (c_common_signed_or_unsigned_type): Emulate
1787         c_common_unsigned_type behavior.
1788
1789 2007-05-16  Paolo Bonzini  <bonzini@gnu.org>
1790
1791         * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
1792         calls as pure.
1793
1794 2007-05-16  Eric Christopher  <echristo@apple.com>
1795
1796         * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
1797         saving after stack push. Set sp_offset whenever we push.
1798         (rs6000_emit_epilogue): Move altivec register restore before
1799         stack push.
1800
1801 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
1802
1803         * configure.ac: Allow sysroots to be relocated under $prefix as
1804         well as $exec_prefix.
1805         * configure: Regenerate.
1806
1807 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
1808
1809         Revert:
1810
1811         2007-05-12  Richard Sandiford  <richard@codesourcery.com>
1812
1813         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
1814         (gcc_tooldir): Likewise.
1815         * configure: Regenerate.
1816         * Makefile.in (libsubdir_to_prefix): New variable, based on the
1817         old configure.ac gcc_tooldir setting.
1818         (prefix_to_exec_prefix): New variable.
1819         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
1820         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
1821
1822 2007-05-14  Janis Johnson  <janis187@us.ibm.com>
1823
1824         * c-typeck.c (build_binary_op): Return early for error.
1825
1826 2007-05-15  Zdenek Dvorak  <dvorakz@suse.cz>
1827
1828         * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
1829         struct nb_iter_bound.
1830         (free_numbers_of_iterations_estimates_loop): Use ggc_free.
1831         * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
1832         * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
1833         * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
1834         (struct scev_info_str, scalar_evolution_info): Add GTY markers.
1835         (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
1836         (del_scev_info): Use ggc_free.
1837         (scev_initialize): Allocate scalar_evolution_info in gc memory.
1838         * loop-init.c: Include ggc.h.
1839         (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
1840         (loop_optimizer_finalize): Use ggc_free.
1841         * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
1842         pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
1843         pass_iv_optimize): Add TODO_ggc_collect.
1844         * function.h (struct function): Remove skip marker from x_current_loops.
1845         * cfgloop.c: Include ggc.h.
1846         (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
1847         memory.
1848         (establish_preds): Vector superloops is gc allocated.
1849         (alloc_loop): Allocate loop using GGC_CNEW.  Allocate head of
1850         loop->exits list.
1851         (flow_loops_find): Vector larray is gc allocated.
1852         (loop_exit_free): Use ggc_free.
1853         (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit.  Reflect
1854         that head of exits list is now not a part of struct loop.
1855         (record_loop_exits): Allocate exits table in gc memory.
1856         (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect that
1857         head of exits list is now not a part of struct loop.
1858         * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
1859         struct loop_exit): Add GTY marker.
1860         (struct loop): Add GTY marker.  Make superloops vector gc allocated.
1861         Add skip marker to aux field.  Make head of exits list a separate
1862         object.
1863         (struct loops): Add GTY marker.  Make larray vector gc allocated.
1864         Add param marker to exits table.
1865         (get_loops): Type changed.
1866         * Makefile.in (tree-scalar-evolution.o): Add gt-tree-scalar-evolution.h
1867         dependency.
1868         (cfgloop.o, loop-init.o): Add ggc.h dependency.
1869         (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
1870         * basic-block.h (struct basic_block_def): Remove skip marker from
1871         loop_father field.
1872
1873 2007-05-14  Uros Bizjak  <ubizjak@gmail.com>
1874
1875         * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
1876         of 0 in the call to expand_expr().
1877         (expand_builtin_mathfn_3): Ditto.
1878         (expand_builtin_interclass_mathfn): Ditto.
1879         (expand_builtin_cexpi): Ditto.
1880         (expand_builtin_int_roundingfn): Ditto.
1881         (expand_builtin_int_roundingfn_2): Ditto.
1882         (expand_builtin_pow): Ditto.
1883         (expand_builtin_powi): Ditto.
1884         (expand_builtin_bswap): Ditto.
1885         (expand_builtin_unop): Ditto.
1886         (expand_builtin_fabs): Ditto.
1887         (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
1888         the call to expand_expr().
1889         (expand_builtin_sync_operation): Ditto.
1890         (expand_builtin_compare_and_swap): Ditto.
1891         (expand_builtin_lock_test_and_set): Ditto.
1892         * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
1893         instead of 0 in the call to expand_expr().
1894         (expand_builtin_extract_return_addr): Ditto.
1895         (expand_builtin_eh_return): Ditto.
1896         (expand_eh_return): Ditto.
1897         * explow.c (expr_size): Ditto.
1898         * expr.c (optimize_bitfield_assignment_op): Ditto.
1899         (expand_assignement): Ditto.
1900         (store_expr): Ditto.
1901         (store_field): Ditto.
1902         (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
1903         the call to expand_expr().
1904         (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
1905         in the call to expand_expr().
1906         [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
1907         BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
1908         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
1909         of expand_expr().
1910         * optabs.c (expand_vec_shift_expr): Ditto.
1911         (expand_vec_cond_expr): Ditto.
1912         (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
1913         call to expand_expr().
1914         * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
1915         in the call to expand_expr().
1916
1917 2007-05-14  Dave Korn  <dave.korn@artimi.com>
1918
1919         * genautomata.c (gen_regexp_el):  Allocate correct size for regexp.
1920
1921 2007-05-14  Rafael Avila de Espindola  <espindola@google.com>
1922
1923         * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
1924         instead of c_common_unsigned_type.
1925         (c_common_unsigned_type): Remove.
1926         (shorten_compare): Use c_common_signed_or_unsigned_type instead of
1927         c_common_unsigned_type.
1928         (c_common_nodes_and_builtins): Use unsigned_type_for instead of
1929         c_common_unsigned_type.
1930         * c-common.h (c_common_unsigned_type): Remove.
1931         * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
1932         c_common_unsigned_type.
1933         * c-format.c (check_format_types): Use unsigned_type_for instead of
1934         c_common_unsigned_type.
1935         * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
1936         * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead of
1937         c_common_unsigned_type.
1938         * convert.c (convert_to_integer): Use unsigned_type_for instead of
1939         lang_hooks.types.unsigned_type.
1940         * expmed.c (make_tree): Use unsigned_type_for instead of
1941         lang_hooks.types.unsigned_type.
1942         * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
1943         lang_hooks.types.unsigned_type.
1944         (build_range_check): Likewise.
1945         (fold_unary): Likewise.
1946         (fold_binary): Likewise.
1947         (fold_ternary): Likewise.
1948         * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
1949         * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
1950         * tree.c (get_unsigned_type): New.
1951         (unsigned_type_for): Use get_unsigned_type instead of
1952         lang_hooks.types.unsigned_type.
1953
1954 2007-05-14  Kazu Hirata  <kazu@codesourcery.com>
1955
1956         * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
1957         to m68k_get_function_kind.  Update its prototype.
1958         * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
1959         interrupt_thread.
1960         (m68k_interrupt_function_p): Return enum m68k_function_type
1961         instead of bool.  Rename to m68k_get_function_kind.
1962         (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
1963         target is not fido.
1964         (m68k_compute_frame_layout): Don't mark any register for save
1965         if an interrupt_thread attribute is specified.
1966         (m68k_hard_regno_rename_ok): Update a use of
1967         m68k_interrupt_function_p.
1968         * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
1969         m68k_interrupt_function_p.
1970         (m68k_function_type): New.
1971         * config/m68k/m68k.md (*return): Output a 'sleep' instruction
1972         for a function with an interrupt_thread attribute.
1973         * doc/extend.texi: Document the interrupt_thread attribute.
1974
1975 2007-05-13  Daniel Berlin  <dberlin@dberlin.org>
1976
1977         Fix PR tree-optimization/31911
1978         * tree-ssa-pre.c (phi_translate): Make sure to cache results even
1979         if they didn't change the expression.
1980
1981 2007-05-13  Zdenek Dvorak  <dvorakz@suse.cz>
1982
1983         * tree-scalar-evolution.c (resolve_mixers): Exported.
1984         * tree-scalar-evolution.h (resolve_mixers): Declare.
1985         * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
1986         ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
1987         record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
1988         base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
1989         init_array_ref, init_pointer_ref, analyze_indirect_ref,
1990         strip_conversion, analyze_offset_expr, address_analysis,
1991         object_analysis, analyze_offset): Removed.
1992         (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
1993         split_constant_offset, canonicalize_base_object_address,
1994         object_address_invariant_in_loop_p, disjoint_objects_p,
1995         dr_may_alias_p, dr_address_invariant_p): New functions.
1996         (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
1997         and dr_analyze_alias.
1998         (initialize_data_dependence_relation): Use dr_may_alias_p
1999         and object_address_invariant_in_loop_p.
2000         (compute_self_dependence): Handle the case when DDR_ARE_DEPENDENT (ddr)
2001         is chrec_dont_know.
2002         (find_data_references_in_stmt): Restrict the analysis of data references
2003         to the given loop nest.
2004         (find_data_references_in_loop): Made static.  Pass loop nest to
2005         find_data_references_in_stmt.
2006         (compute_data_dependences_for_loop): Use DR_VOPS.
2007         (free_data_ref): Free DR_VOPS.
2008         * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
2009         (struct innermost_loop_behavior): ... new.
2010         (struct base_object_info): Replaced by ...
2011         (struct indices): ... new.
2012         (struct dr_alias): New.
2013         (enum data_ref_type): Removed.
2014         (struct data_reference): Consist of struct innermost_loop_behavior,
2015         struct indices and struct dr_alias.
2016         (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
2017         (DR_MEMTAG): Renamed to ...
2018         (DR_SYMBOL_TAG): ... this.
2019         (find_data_references_in_loop): Declaration removed.
2020         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
2021         instead of DR_OFFSET_MISALIGNMENT.  DR_ALIGNED_TO is never NULL.
2022         (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
2023         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2024
2025 2007-05-13  Revital Eres  <eres@il.ibm.com>
2026
2027         * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
2028         which walks virtual def-use chains to find redundant stores.
2029         (dse_optimize_stmt): Call it.
2030
2031 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
2032
2033         * gcse.c (gcse_main): Do jump bypassing in CPROP2.
2034         * passes.c (init_optimization_passes): Move pass_jump_bypass
2035         after loop2.
2036
2037         * basic-block.h (bb_has_eh_pred): Fix style issue.
2038
2039 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
2040
2041         PR rtl-optimization/31848
2042         * loop-invariant.c (move_invariant_reg): If we move an insn
2043         with a REG_EQUAL note, and that insn is not always executed,
2044         remove the REG_EQUAL note.
2045
2046 2007-05-12  Richard Guenther  <rguenther@suse.de>
2047
2048         PR tree-optimization/31797
2049         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
2050         propagate into a stmt that has volatile ops.
2051
2052 2007-05-12  Richard Sandiford  <richard@codesourcery.com>
2053
2054         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
2055         (gcc_tooldir): Likewise.
2056         * configure: Regenerate.
2057         * Makefile.in (libsubdir_to_prefix): New variable, based on the
2058         old configure.ac gcc_tooldir setting.
2059         (prefix_to_exec_prefix): New variable.
2060         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
2061         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
2062
2063 2007-05-11  Silvius Rus  <rus@google.com>
2064
2065         * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
2066         * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
2067         * c-common.h (strict_aliasing_warning): Change return type.
2068         * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
2069         * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
2070         (build_c_cast): Condition call to strict_aliasing_warning.
2071         * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
2072         * flags.h (set_Wstrict_aliasing): Declare.
2073         * opts.c (set_Wstrict_alising): Define, add call to.
2074         * tree-flow.h (strict_aliasing_warning_backend): Declare.
2075         * tree-ssa-alias-warnings.c: New file.
2076         * tree-ssa-alias.c (compute_may_aliases): Add call to
2077         strict_aliasing_warning_backend.
2078
2079 2007-05-11  Zdenek Dvorak  <dvorakz@suse.cz>
2080
2081         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
2082         Use loop_depth and loop_outer accessor functions.
2083         * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
2084         determine_invariantness_stmt, move_computations_stmt): Ditto.
2085         * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
2086         add_loop, loopify, unloop, fix_loop_structure): Ditto.
2087         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
2088         * tree-scalar-evolution.c (interpret_loop_phi,
2089         compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
2090         instantiate_parameters_1, scev_const_prop): Ditto.
2091         * cfghooks.c (make_forwarder_block): Ditto.
2092         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
2093         * modulo-sched.c (loop_canon_p): Ditto.
2094         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
2095         slpeel_can_duplicate_loop_p): Ditto.
2096         * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
2097         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
2098         * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
2099         cancel_loop, verify_loop_structure): Ditto.
2100         (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
2101         add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
2102         superloops vector instead of "pred" array.
2103         (establish_preds): Take father loop as an argument.  Initialize the
2104         superloops vector.
2105         (flow_loop_tree_node_add): Pass father loop to establish_preds.  Do not
2106         initialize loop->outer.
2107         (flow_loop_tree_node_remove): Truncate the superloops vector.
2108         * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
2109         "pred" merged to "superloops" vector.
2110         (loop_depth, loop_outer): New.
2111         (fel_init): Use loop_outer.
2112
2113 2007-05-11  Jan Hubicka  <jh@suse.cz>
2114
2115         * cgraphunit.c: Include gt-cgraphunit.h
2116         (static_ctors, static_dtors): New static vars.
2117         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
2118         based on implementation in c-common.c
2119         (cgraph_finalize_function): Call record_cdtor_fn.
2120         (cgraph_optimize): Call cgraph_build_cdtor_fns.
2121         * decl.c (finish_function): Do not call c_record_cdtor_fn.
2122         (c_write_global_declarations): Do not call c_build_cdtor_fns.
2123         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
2124         build_cdtor, c_build_cdtor_fns): Remove.
2125         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
2126         c_build_cdtor_fns): Remove prototype.
2127
2128 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
2129
2130         PR other/31852
2131         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
2132         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
2133         * builtins.c (fold_builtin_memchr): New.
2134         (expand_builtin_memchr): Call the latter.
2135         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
2136         * doc/extend.texi ([Other built-in functions provided by GCC]):
2137         Document memchr.
2138
2139 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
2140
2141         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
2142         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
2143         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
2144         PFPO_OP1_TYPE_SHIFT): Constants added.
2145         (DFP_ALL): Mode macro defined.
2146         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
2147         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
2148         Insn definitions added.
2149         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
2150         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
2151         Expanders added.
2152
2153 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
2154
2155         PR tree-optimization/31885
2156         * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
2157         to be undetermined.
2158         (automatically_generated_chrec_p): Return false for NULL.
2159
2160 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2161
2162         * config/bfin/bfin.h (MOVE_RATIO): Define.
2163
2164 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
2165
2166         * config.gcc (sparc-wrs-vxworks): New target.
2167         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
2168         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
2169         * config/sparc/sparc.h: Include vxworks-dummy.h.
2170         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
2171         include LABEL_REFs too.
2172         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
2173         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
2174         VxWorks.
2175         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
2176         on VxWorks.
2177         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
2178         (sparc_emit_call_insn): New function.
2179         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
2180         functions when generating VxWorks PIC.
2181         * config/sparc/sparc.md (vxworks_load_got): New pattern.
2182         (call, call_value): Use sparc_emit_call_insn instead of
2183         emit_call_insn.
2184
2185 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
2186
2187         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
2188
2189 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
2190
2191         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
2192         for floating-point values if HOST_BITS_PER_LONG > 32.  Use split_double
2193         instead of operand_subword.
2194
2195 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2196
2197         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
2198         * config/bfin/bfin.c (bfin_local_alignment): New function.
2199         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
2200
2201 2007-05-08  Chao-ying Fu  <fu@mips.com>
2202
2203         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
2204         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
2205         (smsub_widen_optab, umsub_widen_optab): Define.
2206         * optabs.c (init_optabs): Initialize smsub_widen_optab and
2207         umsub_widen_optab.
2208         * genopinit.c (optabs): Fill in smsub_widen_optab and
2209         umsub_widen_optab.
2210         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
2211         and umsub_widen_optab to implement multiply-subtract sequences.
2212         * config/mips/mips.md (*msac<u>_di): Rename to...
2213         (<u>msubsidi4): ...this.  Extend condition to include
2214         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
2215         of operand 0 to "ka" and use the three-operand form of msub<u>
2216         for TARGET_DSPR2.
2217         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
2218         to define_expands.
2219
2220 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2221
2222         PR rtl-optimization/28011
2223         * reload.c (push_reload): Set dont_share if IN appears in OUT
2224         also when IN is a PLUS rtx.
2225         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
2226         are same PLUS rtx.
2227
2228 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
2229
2230         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
2231         call unshare_all_decls.
2232         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
2233         (unshare_all_decls): Remove.
2234
2235 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
2236
2237         PR 31847
2238         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
2239         dumps.
2240
2241 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
2242             Nigel Stephens  <nigel@mips.com>
2243
2244         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
2245         Update comments and all uses.
2246         (MIN_FPRS_PER_FMT): Define.
2247         * config/mips/mips.c (function_arg): Fix to correctly handle
2248         the -mips32r2 -mfp64 -mabi=32 case.
2249         (override_options): Enable use of odd-numbered registers for
2250         SFmode values on MIPS32.
2251         (mips_save_reg_p): Save whole floating-point register pair if
2252         either half is used.
2253         (compute_frame_size): Fix comment.
2254
2255 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
2256
2257         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
2258         argument of type bool.
2259         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
2260         argument. Safely select temporary P register according to it.
2261         (do_link): Change call site of add_to_reg accordingly.
2262         (do_unlink): Add epilogue_p as a fourth argument and pass it
2263         to add_to_reg.
2264         (expand_interrupt_handler_epilogue): Change call of do_unlink
2265         accordingly.
2266         (bfin_expand_prologue): Add a third argument sibcall_p.
2267         * config/bfin/bfin.md (epilogue): Change call of
2268         bfin_expand_epilogue accordingly.
2269         (sibcall_epilogue): Likewise.
2270         (eh_return_internal): Likewise.
2271
2272         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
2273         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
2274         * config/bfin/bfin.c (bfin_handle_option): Handle
2275         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
2276         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
2277         Support bf534, bf536 and bf561.
2278         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
2279
2280 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
2281
2282         PR target/31854
2283         * config/i386/i386.c (ix86_function_regparm): Process local
2284         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
2285
2286 2007-05-07  Mike Stump  <mrs@apple.com>
2287
2288         * doc/invoke.texi (Warning Options): Document that -Wempty-body
2289         also checks for and while statements in C++.
2290
2291 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
2292
2293         * gcc.c (at_file_supplied): New variable.
2294         (main): Set it if we expanded argv.
2295         (do_spec_1): Pass an @-file to the linker if we were called with
2296         an @-file argument and HAVE_GNU_LD.
2297         * collect2.c (at_file_supplied): New variable.
2298         (response_file): New variable.
2299         (collect_exit): Unlink response_file if necessary.
2300         (handler): Likewise.
2301         (do_wait): Likewise.
2302         (main): Set at_file_supplied if we expanded argv.
2303         (collect_execute): Pass an @-file to subprocesses if we were called
2304         with an @-file argument.
2305         * configure.ac: Add define for HAVE_GNU_LD.
2306         * configure: Regenerate.
2307         * config.in: Regenerate.
2308
2309 2007-05-07  Naveen.H.S  <naveen.hs@kpitcummins.com>
2310
2311         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
2312         operand to HI mode.
2313         (mulsi3): New.
2314         (divsi3): New.
2315         (udivsi3): New.
2316
2317 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
2318
2319         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
2320         (TARGET_ENCODE_SECTION_INFO): Re-define.
2321         (m32c_encode_section_info): New
2322         (function_vector_handler): New
2323         (current_function_special_page_vector): New
2324         (m32c_special_page_vector_p): New.
2325         * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
2326         Prototype.
2327         * config/m32c/jump.md: Added instruction JSRS for functions
2328         with attribute "function_vector".
2329         * doc/extend.texi (function_vector): Added description
2330         for M16C, M32C targets.
2331
2332 2007-05-07  DJ Delorie  <dj@redhat.com>
2333
2334         PR 31794
2335         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
2336         ashrpsi3, lshrpsi3): Update shift count constraint.
2337
2338 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
2339             Nathan Froyd  <froydnj@codesourcery.com>
2340
2341         PR 22133
2342         * c-incpath.c (add_path): Strip trailing path separators.
2343
2344 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
2345
2346         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
2347         Free dominance info before purging EH edges.
2348         (eliminate_degenerate_phis): Likewise.
2349         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
2350
2351 2007-05-07  Jan Hubicka  <jh@suse.cz>
2352
2353         * gimplify.c (gimplify_expr): Do not crash when folding
2354         (void *)(int)&a + 4.
2355
2356 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
2357
2358         PR driver/31694
2359         * c-opts.c (lang_fortran): Make it non static.
2360         * c-common.h (lang_fortran): New prototype.
2361         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
2362         -lang-fortran option was passed by the driver.
2363
2364 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
2365
2366         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
2367         of ASSERT_CHECKING.  Tweak message.
2368
2369 2007-05-06  Revital Eres  <eres@il.ibm.com>
2370
2371         PR 30957
2372         * loop-unroll.c (insert_var_expansion_initialization):
2373         Initialize the expansions with -zero instead of +zero.
2374
2375 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
2376
2377         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
2378         into pic and non-pic versions. Mark r19 as used for
2379         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
2380         for tgd_load, tld_load and tie_load .
2381         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
2382         version of tgd_load, tld_load and tie_load depending on the
2383         value of flag_pic.
2384
2385 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
2386             Jakub Jelinek  <jakub@redhat.com>
2387
2388         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
2389         (__do_global_dtors_aux): Use more paranoid loop to run
2390         destructors if HIDDEN_DTOR_LIST_END.
2391         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
2392
2393 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
2394
2395         * varasm.c (align_variable): Don't increase alignment for
2396         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
2397         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
2398
2399 2007-05-04  Josh Conner  <jconner@apple.com>
2400
2401         * basic-block.h (cdi_direction): Assign values to all enumeration
2402         constants.
2403         (dom_computed): Remove.
2404         (dom_info_state): New.
2405         (set_dom_info_availability): New.
2406         * tree-ssa-loop-im.c (determine_invariantness): Initialize
2407         walk_data.dom_direction.
2408         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
2409         instead of dom_computed[].
2410         (split_edge): Likewise.
2411         (create_basic_block): Likewise.
2412         (merge_blocks): Likewise.
2413         * ifcvt.c (find_if_header): Likewise.
2414         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
2415         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2416         * tree-ssa.c (verify_ssa): Likewise.
2417         * tree-cfg.c (tree_verify_flow_info): Likewise.
2418         (remove_edge_and_dominated_blocks): Likewise.
2419         * dominance.c (dom_computed): Make static.
2420         (calc_dfs_tree_nonrec): Change third param to a bool.
2421         (calc_dfs_tree): Change second param to a bool.
2422         (calc_idioms): Change second param to a bool.  Use
2423         dom_convert_dir_to_idx.
2424         (init_dom_info): Validate dir before using.
2425         (dom_convert_dir_to_idx): New.
2426         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
2427         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
2428         (free_dominance_info): Use dom_convert_dir_to_idx.
2429         (get_immediate_dominator): Likewise.
2430         (set_immediate_dominator): Likewise.
2431         (get_dominated_by): Likewise.
2432         (redirect_immediate_dominators): Likewise.
2433         (nearest_common_denominator): Likewise.
2434         (dominated_by_p): Likewise.
2435         (bb_dom_dfs_in): Likewise.
2436         (bb_dom_dfs_out): Likewise.
2437         (recount_dominator): Likewise.
2438         (iterate_fix_dominators): Likewise.
2439         (add_to_dominance_info): Likewise.
2440         (delete_from_dominance_info): Likewise.
2441         (first_dom_son): Likewise.
2442         (next_dom_son): Likewise.
2443         (dom_info_available_p): Likewise.
2444         (dom_info_state): New.
2445         (set_dom_info_availability): New.
2446
2447 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2448
2449         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
2450         Expander removed.
2451         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
2452
2453 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
2454
2455         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
2456         (subdi3, subdi_carry): Delete.
2457
2458 2007-05-04  Jan Hubicka  <jh@suse.cz>
2459             Richard Guenther  <rguenther@suse.de>
2460
2461         * opts.c (decode_options): Do not fiddle with inlining
2462         parameters in case of optimizing for size.
2463         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
2464         for size do nothing.
2465         (cgraph_decide_inlining_of_small_function): When optimizing for
2466         size never inline functions increasing caller size.
2467         (cgraph_early_inlining): Inline for size when optimizing for size.
2468
2469 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2470
2471         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
2472         logical operations piecewise.
2473         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
2474         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
2475         subdi_sesidi_di): Delete.
2476         (add_with_carry): Produce carry in CC instead of a DREG to shorten
2477         the generated sequence.  Allow three-reg add in constraints.  Rewrite
2478         the rtl expression for carry to avoid zero_extend of a constant.
2479         (sub_with_carry): New pattern.
2480         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
2481         different sequence not involving jumps.
2482         (notbi): Now a named pattern.
2483
2484 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
2485
2486         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
2487         Add the note about a significant loss of accuracy of some
2488         mathematical routines when these options are used.
2489
2490 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2491
2492         * haifa-sched.c (rtx_vec_t): New typedef.
2493         (contributes_to_priority_p): Extract piece of priority () into new
2494         static function.
2495         (priority): Use the function.  Add assertion.
2496         (rank_for_schedule, set_priorities): Add assertion to check that
2497         insn's priority is initialized.
2498         (clear_priorities, calc_priorities): Change signature.  Make it update
2499         all relevant insns.  Update all callers ('add_to_speculative_block ()'
2500         and 'create_block_check_twin ()').
2501         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
2502         Add new field 'priority_status'.
2503         (INSN_PRIORITY_STATUS): New macro.
2504         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
2505
2506 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2507
2508         * sched-ebb.c (debug_ebb_dependencies): New static function.
2509         (init_ready_list): Use it.
2510
2511         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
2512         with changed signature and 'debug_rgn_dependencies ()'.
2513         (debug_rgn_dependencies): New static function.
2514         (init_ready_list): Use it.
2515
2516         * sched-int.h (debug_dependencies): Declare.
2517
2518 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2519
2520         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
2521
2522 2007-05-04  Dirk Mueller  <dmueller@suse.de>
2523
2524         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
2525
2526 2007-05-03  Jan Hubicka  <jh@suse.cz>
2527
2528         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
2529         for pointer type in more cases than before.
2530
2531         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
2532
2533         * tree-object-size.c (plus_expr_object_size): When operand size is
2534         unknown, return unknown.
2535
2536 2007-05-03  Dirk Mueller  <dmueller@suse.de>
2537
2538         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
2539
2540         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
2541         options.
2542
2543         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
2544
2545 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
2546
2547         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
2548
2549 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
2550
2551         * config/soft-fp/double.h, config/soft-fp/extended.h,
2552         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
2553         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
2554         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
2555         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
2556         glibc CVS.
2557
2558 2007-05-03  Ian Lance Taylor  <iant@google.com>
2559
2560         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
2561         MASK_PPC_GFXOPT for 8540 or 8548.
2562
2563 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
2564
2565         * tree-vect-transform.c (vect_update_inits_of_drs): Use
2566         vect_print_dump_info() to output debug information.
2567
2568 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
2569
2570         PR target/31768
2571         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
2572         operands of size 2 when operand is not MEM_P.
2573
2574 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
2575
2576         PR tree-optimization/30565
2577         * lambda-code.c (perfect_nestify): Fix updating of dominators.
2578
2579 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
2580
2581         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
2582         (umulsi3_highpart): Use them.
2583         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
2584         for final accumulator to D regisster tranfser.
2585
2586 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
2587
2588         PR tree-optimization/31699
2589         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
2590         code.
2591         (vect_enhance_data_refs_alignment): Compute peel amount using
2592         TYPE_VECTOR_SUBPARTS instead of vf.
2593         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
2594
2595 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
2596
2597         PR bootstrap/31776
2598         * system.h: Remove inclusion of double-int.h
2599         * tree.h: Include double-int.h
2600         * gengtype.c: Likewise
2601         * cfgloop.h: Likewise
2602         * Makefile.in: Adjust dependencies on double-int.h
2603
2604 2007-05-02  Eric Christopher  <echristo@apple.com>
2605
2606         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
2607         -shared to -Zdynamiclib.
2608
2609 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
2610
2611         PR c++/31663
2612         * c-common.c (strip_pointer_or_array_types): New function.
2613         * c-common.h (strip_pointer_or_array_types): New function declaration.
2614
2615 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
2616
2617         PR tree-optimization/31771
2618         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
2619
2620 2007-05-02  Paul Brook  <paul@codesourcery.com>
2621
2622         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
2623
2624 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2625
2626         PR middle-end/29715
2627         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
2628         transformation.
2629
2630 2007-05-02  Nick Clifton  <nickc@redhat.com>
2631
2632         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
2633
2634 2007-05-02  Richard Guenther  <rguenther@suse.de>
2635
2636         PR tree-optimization/31146
2637         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2638         argument, single_use_p.  If we have a single use that is
2639         a conversion to the definition rhs type, propagate that rhs.
2640         (forward_propagate_addr_expr): Pass single_use_p argument
2641         to forward_propagate_addr_expr_1.
2642
2643 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2644
2645         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
2646         variable.
2647
2648 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2649
2650         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
2651         'AMD Family 10 core'.
2652
2653 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2654
2655         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
2656         and athlon64-sse3 as improved versions of k8, opteron and athlon64
2657         with SSE3 instruction set support.
2658         * doc/invoke.texi: Likewise.
2659
2660 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2661
2662         * config/i386/i386.c (override_options): Tuning 32-byte loop
2663         alignment for amdfam10 architecture. Increasing the max loop
2664         alignment to 24 bytes.
2665
2666 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
2667
2668         * config/m68k/constraints.md: New.
2669         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
2670         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
2671         EXTRA_CONSTRAINT): Remove.
2672         * config/m68k/m68k.md: Include constraints.md.
2673         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
2674
2675 2007-05-01  Ian Lance Taylor  <iant@google.com>
2676
2677         PR tree-optimization/31739
2678         * tree-vrp.c (vrp_val_is_max): New static function.
2679         (vrp_val_is_min): New static function.
2680         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
2681         copying the node.
2682         (set_value_range): Use vrp_val_is_{max,min}.
2683         (extract_range_from_assert): Likewise.
2684         (extract_range_from_binary_expr): Likewise.
2685         (extract_range_from_unary_expr): Likewise.
2686         (dump_value_range, vrp_meet): Likewise.
2687         (vrp_visit_phi_node): Likewise.
2688         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
2689
2690 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
2691
2692         * config/i386/gmon-sol2.c (size_t): New type.
2693         (intptr_t): Likewise.
2694         (s_textsize): Declare as size_t.
2695         (sbrk): Declare.
2696         (monstartup): Use size_t for sizes.
2697         (_mcount): Save and restore registers.
2698         (internal_mcount): Pass 0 as the first argument to monstartup
2699         in 64-bit mode.
2700         (moncontrol): Convert pointer to appropriately sized integer
2701         before passing to profil.
2702
2703 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
2704
2705         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
2706         __NO_FPRS__, not just if _SOFT_DOUBLE.
2707         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
2708         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
2709         also for E500 double.
2710         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
2711         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
2712         && !TARGET_FPRS).
2713
2714 2007-05-01  Richard Guenther  <rguenther@suse.de>
2715
2716         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
2717         is NULL.
2718
2719 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
2720
2721         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
2722
2723 2007-05-01  Jan Hubicka  <jh@suse.cz>
2724
2725         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
2726         invariant.
2727
2728 2007-05-01  Jan Hubicka  <jh@suse.cz>
2729
2730         * tree.h (maybe_fold_offset_to_component_ref): Remove.
2731         (maybe_fold_offset_to_reference): Declare.
2732         * fold-const.c (fold_unary): Do not fold
2733         (type *)&A into &A->field_of_type_and_offset_0
2734         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
2735         size is unknown, give up.
2736         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
2737         offsets.
2738         (maybe_fold_offset_to_reference): New.
2739         (maybe_fold_stmt_indirect): Use it.
2740         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
2741         * gimplify.c (gimplify_conversion): Canonicalize conversions to
2742         field references.
2743         (gimplify_expr): Likewise for plus_expr.
2744
2745 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
2746
2747         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
2748         bsi_after_labels.  Always insert statements before bsi.
2749         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
2750         * predict.c (apply_return_prediction): Check for empty blocks.
2751         * cfgexpand.c (lab_rtx_for_bb): New variable.
2752         (label_rtx_for_bb): Do not create new tree labels.
2753         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
2754         (tree_expand_cfg): Initialize lab_rtx_for_bb.
2755         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
2756         creating edges.
2757         (label_for_bb): Add field used.
2758         (update_eh_label, main_block_label): Mark the label used.
2759         (cleanup_dead_labels): Remove unused labels.
2760
2761 2007-05-01  Richard Guenther  <rguenther@suse.de>
2762
2763         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
2764         if it is not about to be set.
2765         (get_value_range): Do not pre-allocate equiv bitmap.
2766         (update_value_range): No need to clear equiv field.
2767         (add_equivalence): Change prototype to get bitmap pointer.
2768         Allocate bitmap here if it is not already.
2769         (extract_range_from_assert): Do not allocate bitmap here.
2770         Update callers to add_equivalence.
2771         (extract_range_from_ssa_name): Likewise.
2772         (get_vr_for_comparison): New static helper.
2773         (compare_name_with_value): Handle NULL equiv bitmap by
2774         peeling the first iteration of the comparison loop.
2775         Use get_vr_for_comparison.
2776         (compare_names): Handle NULL equiv bitmaps by using fake
2777         ones.  Use get_vr_for_comparison.
2778
2779 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
2780
2781         * double-int.c (mpz_set_double_int): Moved from
2782         tree-ssa-loop-niter.c.
2783         (mpz_get_double_int): Likewise; also, add option to wrap
2784         out-of-range integers.
2785         * double-int.h: New prototypes for above.
2786         * tree.c (get_static_type_bounds): Moved from
2787         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
2788         TYPE_MAX_VALUE if they exist..
2789         * tree.h: New prototype for above.
2790         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
2791         get_type_bounds calls.
2792         (mpz_set_double_int): Move to double-int.c.
2793         (get_type_bounds): Move to tree.c, rename to
2794         get_static_type_bounds.
2795         (mpz_to_double_int): Move to double-int.c, rename to
2796         mpz_get_double_int.
2797
2798 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
2799
2800         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
2801         DIV0 exception can fall through to a normal return.
2802
2803 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
2804
2805         PR middle-end/22156
2806         Temporarily revert:
2807         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
2808         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
2809         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2810         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
2811         initialize align to silence bogus warning.
2812         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
2813         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
2814         all_no_warning.
2815         (struct sra_walk_fns): Remove use_all parameter from use.
2816         (sra_hash_tree): Handle BIT_FIELD_REFs.
2817         (sra_elt_hash): Don't hash bitfld blocks.
2818         (sra_elt_eq): Skip them in parent compares as well.  Handle
2819         BIT_FIELD_REFs.
2820         (sra_walk_expr): Don't maintain or pass down use_all_p.
2821         (scan_use): Remove use_all parameter.
2822         (scalarize_use): Likewise.  Re-expand assignment to
2823         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
2824         output, and re-scalarize after output.  Don't mark anything
2825         for no warning.
2826         (scalarize_ldst): Adjust.
2827         (scalarize_walk_gimple_modify_statement): Likewise.
2828         (build_element_name_1): Handle BIT_FIELD_REFs.
2829         (instantiate_element): Don't warn for any element whose parent
2830         is used as a whole.
2831         (instantiate_missing_elements_1): Return the sra_elt.
2832         (canon_type_for_field): New.
2833         (try_instantiate_multiple_fields): New.
2834         (instantiate_missing_elemnts): Use them.
2835         (mark_no_warning): Removed.
2836         (generate_one_element_ref): Handle BIT_FIELD_REFs.
2837         (REPLDUP, sra_build_elt_assignment): New.
2838         (generate_copy_inout): Use them.
2839         (generate_element_copy): Likewise.  Handle bitfld differences.
2840         (generate_element_zero): Don't recurse for blocks.  Use
2841         sra_build_elt_assignment.
2842         (generate_one_element_int): Take elt instead of var.  Use
2843         sra_build_elt_assignment.
2844         (generate_element_init_1): Adjust.
2845         (scalarize_use, scalarize_copy): Use REPLDUP.
2846         (scalarize_ldst): Move assert before dereference.
2847         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
2848
2849 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2850
2851         PR C++/31721
2852         * tree.c (reconstruct_complex_type): Reconstruct a reference
2853         correctly.
2854         Also use the same mode for the pointer as the old pointer type.
2855
2856 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
2857
2858         * doc/trouble.texi (Interoperation): Remove note about Ultrix
2859         Fortran compiler.
2860
2861 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
2862
2863         PR rtl-optimization/31676
2864         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
2865         (df_refs_record): Call it.
2866
2867 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
2868
2869         * rtl.def (SS_ABS): New code.
2870         * config/bfin/bfin.c (print_operand): New modifier 'v'.
2871         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
2872         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
2873         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
2874         (bfin_init_builtins): Define them.
2875         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
2876         (bfin_expand_builtin): ... and handle the others here.
2877         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
2878         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
2879         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
2880         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
2881         operand is only HImode.
2882
2883 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
2884
2885         * regclass.c (scan_one_insn): Remove splitting of
2886         two address insns.
2887
2888 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
2889             Nigel Stephens  <nigel@mips.com>
2890
2891         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
2892
2893 2007-04-28  Jan Hubicka  <jh@suse.cz>
2894
2895         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
2896         insn_locators_alloc instead of insn_locators_initialize;
2897         call reset_block_changes.
2898         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
2899         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
2900         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
2901         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
2902         * config/score/score.c (th_output_mi_thunk): Likewise.
2903         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
2904         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
2905         tolerate uninitialized locator info.
2906
2907         Re-apply:
2908         * function.c (init_function_start): Don't init line number info.
2909         (expand_function_end): Update.
2910         (reset_block_changes, record_block_change, finalize_block_changes,
2911         check_block_change, free_block_changes): Kill.
2912         * function.h (reset_block_changes, record_block_change,
2913         finalize_block_changes, check_block_change, free_block_changes): Remove
2914         prototypes.
2915         (struct function): Remove ib_boundaries_block.
2916         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
2917         Use curr_insn_locator to initialize locator.
2918         (emit_line_note): Remove.
2919         * cfgexpand.c (expand_gimple_cond_expr): Update.
2920         (construct_exit_block): Likewise.
2921         (tree_expand_cfg): Initialize/finalize locators.
2922         * expr.c (expand_expr_real): Update.
2923         * cfglayout.c (line_locators_locs, line_locators_lines,
2924         file_locators_locs, file_locators_files): Remove.
2925         (set_block_levels): Move to cfgexpand.c.
2926         (insn_locators_initialize): Remove.
2927         (pass_insn_locators_initialize): Remove.
2928         (locations_locators_locs, locations_locators_vals): New static vars.
2929         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
2930         Likewise.
2931         (insn_locators_alloc, insn_locators_finalize,
2932         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
2933         New functions.
2934         (locator_location): New.
2935         (locator_line, locator_file): Rewrite.
2936         * rtl.h (emit_line_note): Kill.
2937         (insn_locators_alloc, insn_locators_finalize,
2938         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
2939         Declare.
2940         * tree-inline.c (initialize_cfun): Do not initialize
2941         ib_boundaries_block.
2942         * passes.c (pass_insn_locators_initialize): Remove.
2943
2944 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
2945
2946         * tree-cfg.c (move_block_to_fn): Release bb from dominance
2947         info.  Update last_basic_block correctly.
2948
2949 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
2950
2951         PR target/31701
2952         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
2953         register itself to hold the offset constant.  Tell flow the use
2954         of r4 and r5 when they are used.
2955
2956 2007-04-27  Richard Guenther  <rguenther@suse.de>
2957
2958         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
2959         if we simplified anything.
2960         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
2961         warnings until we did a simplification and the stmt was not
2962         marked as TREE_NO_WARNING.
2963
2964 2007-04-27  Mike Stump  <mrs@apple.com>
2965
2966         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
2967
2968 2007-04-27  Ian Lance Taylor  <iant@google.com>
2969
2970         PR middle-end/31710
2971         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
2972         TYPE_MAX_VALUE exist, convert them to the new type.
2973
2974 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
2975
2976         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
2977         if it claims to be available.
2978         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
2979         edge is redirected.
2980         (perform_tree_ssa_dce): Always free postdominators.
2981
2982 2007-04-27  Richard Henderson  <rth@redhat.com>
2983
2984         * config/alpha/predicates.md (aligned_memory_operand): Mark
2985         as define_special_predicate.
2986         (unaligned_memory_operand, normal_memory_operand): Likewise.
2987         (reg_or_unaligned_mem_operand): Remove.
2988         (any_memory_operand): Match the documentation and check for
2989         non-renumbered pseudos during reload.
2990         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
2991         alpha_secondary_reload_class, update to new interface, make static.
2992         Handle CQImode like HImode.  Remove FP subreg check.
2993         (alpha_expand_mov): Use replace_equiv_address.
2994         (alpha_expand_mov_nobwx): Use any_memory_operand.
2995         (TARGET_SECONDARY_RELOAD): New.
2996         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
2997         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
2998         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
2999         * config/alpha/alpha.md: ... here.
3000         (RELOAD12, reloadmode): New.
3001         (movcqi): New.
3002         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
3003         Don't handle the aligned case here.
3004         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
3005         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
3006         reload_inhi_help.  Don't expect a scratch register.
3007         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
3008         reload_outhi_help.
3009         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
3010
3011 2007-04-27  Richard Guenther  <rguenther@suse.de>
3012
3013         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
3014
3015 2007-04-27  Richard Guenther  <rguenther@suse.de>
3016
3017         PR tree-optimization/30965
3018         PR tree-optimization/30978
3019         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
3020         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
3021         (find_equivalent_equality_comparison): Likewise.
3022         (simplify_cond): Likewise.
3023         (get_prop_source_stmt): New helper.
3024         (get_prop_dest_stmt): Likewise.
3025         (can_propagate_from): Likewise.
3026         (remove_prop_source_from_use): Likewise.
3027         (combine_cond_expr_cond): Likewise.
3028         (forward_propagate_comparison): New function.
3029         (forward_propagate_into_cond): Rewrite to use fold for
3030         tree combining.
3031         (tree_ssa_forward_propagate_single_use_vars): Call
3032         forward_propagate_comparison to propagate comparisons.
3033
3034 2007-04-27  Richard Guenther  <rguenther@suse.de>
3035
3036         PR tree-optimization/31715
3037         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
3038         sure to do computation on the offset in an appropriate
3039         signed type.
3040
3041 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
3042
3043         * reload.h (elimination_target_reg_p): Declare.
3044         * reload.c (find_reloads): Don't apply the reg_rtx move
3045         optimization if the SET_DEST satisfies elimination_target_reg_p.
3046         * reload1.c (elimination_target_reg_p): New function.
3047         (gen_reload): In the move/add2 fallback, make sure that op0
3048         does not overlap the destination register.
3049
3050 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
3051
3052         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
3053         transform only GIMPLE_MODIFY_STMTs.
3054         * tree-complex.c (expand_complex_operations_1): Ditto.
3055         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
3056         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
3057         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
3058         branches.
3059         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
3060         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
3061         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
3062         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
3063         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
3064         slpeel_add_loop_guard): Ditto.
3065         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
3066         * lambda-code.c (perfect_nestify): Ditto.
3067         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
3068         before the first statement.
3069         * tree-optimize.c (execute_free_datastructures): Fix comments.
3070         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
3071         * tree-flow.h (disband_implicit_edges): Declaration removed.
3072         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
3073         branches.
3074         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
3075         without gotos.
3076         (disband_implicit_edges, has_label_p): Removed.
3077         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
3078         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
3079         branches.
3080         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
3081         side effects.
3082         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
3083         also for COND_EXPRs.
3084         * cfgexpand.c (label_rtx_for_bb): New function.
3085         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
3086         Use label_rtx_for_bb to find the labels.
3087         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
3088         last block.  Detect fallthru edges.
3089
3090 2007-04-26  Ian Lance Taylor  <iant@google.com>
3091
3092         PR target/28675
3093         * reload.c (find_reloads_subreg_address): If the address was valid
3094         in the original mode but not in the new mode, reload the whole
3095         address.
3096
3097 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
3098
3099         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
3100         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
3101         (cleanup_control_expr_graph): Do not invalidate dominance info.
3102         Record altered blocks.
3103         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
3104         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
3105         cleanup_tree_cfg_bb): New functions.
3106         (remove_forwarder_block): Do not maintain the worklist of blocks.
3107         Record altered blocks.
3108         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
3109         not over whole cfg.
3110         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
3111         delete_unreachable_blocks if dominators are not available.
3112         * tree-inline.c (optimize_inline_calls): Free dominance information
3113         earlier.
3114         * tree-flow.h (remove_edge_and_dominated_blocks,
3115         cfgcleanup_altered_bbs): Altered.
3116         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
3117         blocks.
3118         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
3119         functions.
3120         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
3121         do not invalidate dominators.
3122
3123 2007-04-26  Anatoly Sokolov <aesok@post.ru>
3124
3125         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
3126         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
3127         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3128         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3129
3130 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
3131
3132         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
3133
3134 2007-04-26  Richard Guenther  <rguenther@suse.de>
3135
3136         PR tree-optimization/31703
3137         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
3138         the right type for the target of the bittest.
3139
3140 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
3141
3142         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
3143         ix86_sol10_return_in_memory.
3144
3145 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
3146
3147         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
3148         variables.
3149
3150 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
3151
3152         PR c++/31598
3153         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
3154
3155         PR tree-optimization/30558
3156         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
3157         clear this_state.prev_try.
3158
3159 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
3160             Mark Mitchell  <mark@codesourcery.com>
3161
3162         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
3163         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
3164         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
3165
3166 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
3167
3168         PR driver/31107
3169         * doc/invoke.texi (%:print-asm-header): Document.
3170         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
3171         and -ftarget-help.
3172         (static_spec_functions): Add print-asm-header.
3173         (main): Print a banner before the --target-help linker options.
3174         (print_asm_header_spec_function): New function.
3175
3176 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3177
3178         PR target/31403
3179         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
3180         (movsf_ie): Likewise.
3181
3182 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
3183
3184         * doc/extend.texi ([Type Traits]): Adjust per N2255.
3185
3186 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
3187
3188         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
3189         for divide-by-zero.
3190         (__umodsi3, __modsi3): Likewise.
3191
3192 2007-04-25  Dirk Mueller  <dmueller@suse.de>
3193
3194         * c-typeck.c (build_compound_expr): Annotate warning()
3195         call with OPT_Wunused_value.
3196         * tree-ssa.c (warn_uninit): Annotate warning with
3197         OPT_Wunintialized.
3198         * c-common.c (handle_sentinel_attribute): Annotate warning
3199         call with OPT_Wattributes.
3200
3201 2007-04-25  Thiemo Seufer  <ths@mips.com>
3202
3203         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
3204         (mips16): Fix typo.
3205         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
3206         on to the assembler.  Improve handling of -mno-mips16.  Add handling
3207         of -mno-mips3d, -mno-dsp, -mno-dspr2.
3208         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
3209         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
3210         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
3211
3212 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
3213
3214         PR target/31680
3215         * config/i386/winnt.c (i386_pe_file_end): Strip only
3216         USER_LABEL_PREFIX when writing export name.
3217
3218 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
3219
3220         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
3221         sh/elf.h, vx-common.h and vxworks.h.
3222         * config/sh/sh.h: Include config/vxworks-dummy.h.
3223         (SUBTARGET_OVERRIDE_OPTIONS): Define.
3224         (OVERRIDE_OPTIONS): Use it.
3225         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
3226         (vxworks_picreg): New pattern.
3227         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
3228         VXWORKS_OS_CPP_BUILTINS.
3229         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
3230         to their VXWORKS_* equivalents.
3231         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
3232         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
3233         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
3234         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
3235         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
3236         -mrtp/-fPIC multilibs.
3237         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
3238         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
3239         (MULTILIB_OSDIRNAMES): Delete.
3240
3241 2007-04-25  Anatoly Sokolov <aesok@post.ru>
3242
3243         PR target/18989
3244         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
3245
3246 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
3247
3248         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
3249         rounding mode to be specified by the caller.
3250         (real_to_mpfr) Likewise.
3251         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
3252         include new arguments.
3253         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
3254
3255 2007-04-24  Ian Lance Taylor  <iant@google.com>
3256
3257         PR tree-optimization/31605
3258         * tree-vrp.c (set_value_range): Check that min and max are not
3259         both overflow infinities.
3260         (set_value_range_to_value): New static function.
3261         (extract_range_from_binary_expr): Call set_value_range_to_value.
3262         (extract_range_from_cond_expr): Likewise.
3263         (extract_range_from_expr): Likewise.
3264         (extract_range_from_unary_expr): Likewise.  Don't create a range
3265         which overflows on both sides.
3266         (vrp_meet): Check for a useless range.
3267         (vrp_visit_phi_node): If we see a constant which looks like an
3268         overflow infinity, turn off the TREE_OVERFLOW flag.
3269
3270 2007-04-24  Ian Lance Taylor  <iant@google.com>
3271
3272         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
3273
3274 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
3275
3276         PR diagnostic/25923
3277         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
3278         diagnostic message is being built.
3279         * tree-pretty-print.c (dump_generic_node): Only write the
3280         formatted text into BUFFER's stream if we are not building a
3281         diagnostic message.
3282         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
3283         dump_generic_node.
3284         * Makefile.in (toplev.o): Depend on tree-pass.h.
3285
3286 2007-04-24  Ian Lance Taylor  <iant@google.com>
3287
3288         PR tree-optimization/31602
3289         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
3290         conditionals in the copied loop header.
3291         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
3292         warnings if TREE_NO_WARNING is set.
3293         * doc/invoke.texi (Warning Options): Clarify that
3294         -Wstrict-overflow does not warn about loops.
3295
3296 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
3297
3298         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
3299         expand on the comment about _Decimal128 arguments and check the
3300         integer result of the modulus operation; for 64-bit ELF ABI, ensure
3301         that _Decimal128 argument uses even/odd register pair.
3302         (function_arg): Ditto.
3303
3304 2007-04-24  Hui-May Chang <hm.chang@apple.com>
3305
3306         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
3307         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
3308
3309 2007-04-24  Richard Guenther  <rguenther@suse.de>
3310             Olga Golovanevsky  <olga@il.ibm.com>
3311
3312         * fold-const.c (multiple_of_p): Check for bottom
3313         to be zero.
3314
3315 2007-04-24  Richard Henderson  <rth@redhat.com>
3316
3317         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
3318         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
3319         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
3320         looking for non-zero bits shifted out.  Avoid a recursive call
3321         when constructing the scalar.
3322         (__floatundisf): Likewise.
3323
3324 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
3325
3326         * dwarf2out.c (field_byte_offset): Move the existing logic
3327         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
3328         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
3329
3330 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3331
3332         PR target/31641
3333         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
3334         argument of 0 for memset.
3335         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
3336         unsigned shift instead of the signed variant.
3337
3338 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3339
3340         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
3341         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
3342         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
3343         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3344         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
3345         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
3346         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
3347         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
3348         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
3349         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
3350         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
3351         "mul<mode>3", "div<mode>3"): Insn definitions added.
3352         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
3353         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
3354         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
3355         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
3356         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
3357         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
3358         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
3359         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
3360         TARGET_FLOAT_FORMAT): Macro definitions removed.
3361         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
3362         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
3363         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
3364         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
3365         (s390_gen_rtx_const_DI): Function removed.
3366         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
3367
3368 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
3369
3370         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
3371         over an external ffs function.
3372
3373 2007-04-24  Chao-ying Fu  <fu@mips.com>
3374             Richard Sandiford  <richard@nildram.co.uk>
3375
3376         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
3377         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
3378         (smadd_widen_optab, umadd_widen_optab): Define.
3379         * optabs.c (init_optabs): Initialize smadd_widen_optab and
3380         umadd_widen_optab.
3381         * genopinit.c (optabs): Fill in smadd_widen_optab and
3382         umadd_widen_optab.
3383         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
3384         and umadd_widen_optab to implement multiply-add sequences.
3385         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
3386         (<u>maddsidi4): ...this.  Extend condition to include
3387         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
3388         of operand 0 to "ka" and use the three-operand form of madd<u>
3389         for TARGET_DSPR2.
3390         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
3391         to define_expands.
3392         * config/mips/constraints.md (ka): New register constraint.
3393
3394 2007-04-24  Jan Hubicka  <j@suse.cz>
3395
3396         Revert:
3397
3398         2007-04-23  Jan Hubicka  <jh@suse.cz>
3399         * function.c (init_function_start): Don't init line number info.
3400         (expand_function_end): Update.
3401         (reset_block_changes, record_block_change, finalize_block_changes,
3402         check_block_change, free_block_changes): Kill.
3403         * function.h (reset_block_changes, record_block_change,
3404         finalize_block_changes, check_block_change, free_block_changes): Remove
3405         prototypes.
3406         (struct function): Remove ib_boundaries_block.
3407         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
3408         Use curr_insn_locator to initialize locator.
3409         (emit_line_note): Remove.
3410         * cfgexpand.c (expand_gimple_cond_expr): Update.
3411         (construct_exit_block): Likewise.
3412         (tree_expand_cfg): Initialize/finalize locators.
3413         * expr.c (expand_expr_real): Update.
3414         * cfglayout.c (line_locators_locs, line_locators_lines,
3415         file_locators_locs, file_locators_files): Remove.
3416         (set_block_levels): Move to cfgexpand.c.
3417         (insn_locators_initialize): Remove.
3418         (pass_insn_locators_initialize): Remove.
3419         (locations_locators_locs, locations_locators_vals): New static vars.
3420         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
3421         Likewise.
3422         (insn_locators_alloc, insn_locators_finalize,
3423         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
3424         New functions.
3425         (locator_location): New.
3426         (locator_line, locator_file): Rewrite.
3427         * rtl.h (emit_line_note): Kill.
3428         (insn_locators_alloc, insn_locators_finalize,
3429         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
3430         Declare.
3431         * tree-inline.c (initialize_cfun): Do not initialize
3432         ib_boundaries_block.
3433         * passes.c (pass_insn_locators_initialize): Remove.
3434
3435 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
3436
3437         * doc/invoke.texi: Removed leading '-' from option index entries.
3438
3439 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
3440
3441         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
3442         Use phi_nodes_ptr.
3443         (create_phi_node): Use set_phi_nodes.
3444         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
3445         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
3446         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
3447         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
3448         (bsi_start, bsi_last): Use bb_stmt_list.
3449         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
3450         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
3451         Traverse the statements using tsi iterator.
3452         * basic-block.h (struct basic_block_def): Fields stmt_list
3453         and phi_nodes moved to ...
3454         (struct tree_bb_info): ... new structure.
3455         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
3456         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
3457         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
3458         (tree_verify_flow_info): Verify that il.tree is not set for
3459         entry and exit block.
3460         (tree_split_block): Use set_bb_stmt_list.
3461
3462 2007-04-23  Mike Stump  <mrs@apple.com>
3463
3464         * config/i386/i386.c (ix86_tune_features
3465         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
3466         nocona and core2.
3467
3468 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
3469
3470         * config/i386/i386.md (prefix_extra): New attribute.
3471         (length): Add prefix_extra.
3472
3473         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
3474         (sse2_movntv2di): Likewise.
3475         (sse2_cvtps2dq): Likewise.
3476         (sse2_cvtpd2pi): Likewise.
3477         (sse2_cvttpd2pi): Likewise.
3478         (*sse2_cvtpd2ps): Likewise.
3479         (*add<mode>3): Likewise.
3480         (sse2_ssadd<mode>3): Likewise.
3481         (sse2_usadd<mode>3): Likewise.
3482         (*sub<mode>3): Likewise.
3483         (sse2_sssub<mode>3): Likewise.
3484         (sse2_ussub<mode>3): Likewise.
3485         (*mulv8hi3): Likewise.
3486         (*smulv8hi3_highpart): Likewise.
3487         (*umulv8hi3_highpart): Likewise.
3488         (sse2_umulv2siv2di3): Likewise.
3489         (sse2_pmaddwd): Likewise.
3490         (ashr<mode>3): Likewise.
3491         (lshr<mode>3): Likewise.
3492         (ashl<mode>3): Likewise.
3493         (sse2_ashlti3): Likewise.
3494         (sse2_lshrti3): Likewise.
3495         (*umaxv16qi3): Likewise.
3496         (*smaxv8hi3): Likewise.
3497         (*uminv16qi3): Likewise.
3498         (*sminv8hi3): Likewise.
3499         (sse2_eq<mode>3): Likewise.
3500         (sse2_gt<mode>3): Likewise.
3501         (*and<mode>3): Likewise.
3502         (sse2_nand<mode>3): Likewise.
3503         (*ior<mode>3): Likewise.
3504         (*xor<mode>3): Likewise.
3505         (sse2_packsswb): Likewise.
3506         (sse2_packssdw): Likewise.
3507         (sse2_packuswb): Likewise.
3508         (sse2_punpckhbw): Likewise.
3509         (sse2_punpcklbw): Likewise.
3510         (sse2_punpckhwd): Likewise.
3511         (sse2_punpcklwd): Likewise.
3512         (sse2_punpckhdq): Likewise.
3513         (sse2_punpckldq): Likewise.
3514         (sse2_punpckhqdq): Likewise.
3515         (sse2_punpcklqdq): Likewise.
3516         (*sse2_pinsrw): Likewise.
3517         (*sse2_pextrw): Likewise.
3518         (sse2_pshufd_1): Likewise.
3519         (sse2_uavgv16qi3): Likewise.
3520         (sse2_uavgv8hi3): Likewise.
3521         (sse2_psadbw): Likewise.
3522         (sse2_pmovmskb): Likewise.
3523         (*sse2_maskmovdqu): Likewise.
3524         (*sse2_maskmovdqu_rex64): Likewise.
3525         (sse4a_extrqi): Likewise.
3526         (sse4a_extrq): Likewise.
3527         (sse3_lddqu): Set prefix_rep.
3528         (sse3_addsubv4sf3): Likewise.
3529         (sse3_haddv4sf3): Likewise.
3530         (sse3_hsubv4sf3): Likewise.
3531         (sse_cvtss2si): Likewise.
3532         (sse_cvtss2si_2): Likewise.
3533         (sse_cvtss2siq): Likewise.
3534         (sse_cvtss2siq_2): Likewise.
3535         (sse_cvttss2si): Likewise.
3536         (sse_cvttss2siq): Likewise.
3537         (sse2_cvttps2dq): Likewise.
3538         (sse3_movshdup): Likewise.
3539         (sse3_movsldup): Likewise.
3540         (sse2_cvtsd2si): Likewise.
3541         (sse2_cvtsd2si_2): Likewise.
3542         (sse2_cvtsd2siq): Likewise.
3543         (sse2_cvtsd2siq_2): Likewise.
3544         (sse2_cvttsd2si): Likewise.
3545         (sse2_cvttsd2siq): Likewise.
3546         (*sse2_cvtpd2dq): Likewise.
3547         (*sse2_cvttpd2dq): Likewise.
3548         (sse2_pshuflw_1): Likewise.
3549         (sse2_pshufhw_1): Likewise.
3550         (sse4a_insertqi): Likewise.
3551         (sse4a_insertq): Likewise.
3552         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
3553         (ssse3_phadddv4si3): Likewise.
3554         (ssse3_phaddswv8hi3): Likewise.
3555         (ssse3_phsubwv8hi3): Likewise.
3556         (ssse3_phsubdv4si3): Likewise.
3557         (ssse3_phsubswv8hi3): Likewise.
3558         (ssse3_pmaddubswv8hi3): Likewise.
3559         (ssse3_pmulhrswv8hi3): Likewise.
3560         (ssse3_pshufbv16qi3): Likewise.
3561         (ssse3_psign<mode>3): Likewise.
3562         (ssse3_palignrti): Likewise.
3563         (abs<mode>2): Likewise.
3564         (ssse3_phaddwv4hi3): Set prefix_extra.
3565         (ssse3_phadddv2si3): Likewise.
3566         (ssse3_phaddswv4hi3): Likewise.
3567         (ssse3_phsubwv4hi3): Likewise.
3568         (ssse3_phsubdv2si3): Likewise.
3569         (ssse3_phsubswv4hi3): Likewise.
3570         (ssse3_pmaddubswv4hi3): Likewise.
3571         (ssse3_pmulhrswv4hi3): Likewise.
3572         (ssse3_pshufbv8qi3): Likewise.
3573         (ssse3_psign<mode>3): Likewise.
3574         (ssse3_palignrdi): Likewise.
3575         (abs<mode>2): Likewise.
3576         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
3577         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
3578         (sse2_pmovmskb): Set mode to SI instead of V2DF.
3579
3580 2007-04-23  Nick Clifton  <nickc@redhat.com>
3581
3582         * params.def: Fix formatting of emacs local variables.
3583
3584 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
3585
3586         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
3587         move if inter-unit move isn't allowed.
3588         Don't split moving the first element of V2DI to DI to inter-unit
3589         move if inter-unit move isn't allowed.
3590
3591 2007-04-23  Richard Guenther  <rguenther@suse.de>
3592
3593         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
3594         and CDI_POST_DOMINATORS separately.
3595
3596 2007-04-23  Nick Clifton  <nickc@redhat.com>
3597
3598         * c.opt (Wformat-contains-nul): Add warning attribute.
3599
3600 2007-04-23  Jan Hubicka  <jh@suse.cz>
3601
3602         * function.c (init_function_start): Don't init line number info.
3603         (expand_function_end): Update.
3604         (reset_block_changes, record_block_change, finalize_block_changes,
3605         check_block_change, free_block_changes): Kill.
3606         * function.h (reset_block_changes, record_block_change,
3607         finalize_block_changes, check_block_change, free_block_changes): Remove
3608         prototypes.
3609         (struct function): Remove ib_boundaries_block.
3610         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
3611         Use curr_insn_locator to initialize locator.
3612         (emit_line_note): Remove.
3613         * cfgexpand.c (expand_gimple_cond_expr): Update.
3614         (construct_exit_block): Likewise.
3615         (tree_expand_cfg): Initialize/finalize locators.
3616         * expr.c (expand_expr_real): Update.
3617         * cfglayout.c (line_locators_locs, line_locators_lines,
3618         file_locators_locs, file_locators_files): Remove.
3619         (set_block_levels): Move to cfgexpand.c.
3620         (insn_locators_initialize): Remove.
3621         (pass_insn_locators_initialize): Remove.
3622         (locations_locators_locs, locations_locators_vals): New static vars.
3623         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
3624         Likewise.
3625         (insn_locators_alloc, insn_locators_finalize,
3626         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
3627         New functions.
3628         (locator_location): New.
3629         (locator_line, locator_file): Rewrite.
3630         * rtl.h (emit_line_note): Kill.
3631         (insn_locators_alloc, insn_locators_finalize,
3632         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
3633         Declare.
3634         * tree-inline.c (initialize_cfun): Do not initialize
3635         ib_boundaries_block.
3636         * passes.c (pass_insn_locators_initialize): Remove.
3637
3638 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3639
3640         PR middle-end/31448
3641         * expr.c (reduce_to_bit_field_precision): Handle
3642         CONST_INT rtx's.
3643
3644 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
3645
3646         PR tree-optimization/24659
3647         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
3648         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
3649         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
3650         * genopinit.c (optabs): Rename vec_pack_mod_optab
3651         to vec_pack_trunc_optab.
3652         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
3653         early for scalar floating point operands for NOP_EXPR.
3654         (vectorizable_type_promotion): Ditto.
3655         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
3656         vec_pack_trunc_optab.
3657         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
3658
3659         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
3660         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
3661         Rename from VEC_PACK_MOD_EXPR.
3662         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
3663         * expr.c (expand_expr_real_1): Ditto.
3664         * tree-inline.c (estimate_num_insns_1): Ditto.
3665         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
3666
3667         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
3668         (vec_unpacks_lo_v4sf): Ditto.
3669         (vec_pack_trunc_v2df): Ditto.
3670         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
3671         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
3672         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
3673
3674         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
3675         vec_pack_mod_v8hi.
3676         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
3677
3678         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
3679         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
3680         packing of floating point operands.
3681         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
3682         represent unpacking of floating point operands.
3683         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
3684         [vec_unpacks_hi]: Ditto.
3685         [vec_unpacks_lo]: Ditto.
3686
3687 2007-04-22  Jan Hubicka  <jh@suse.cz>
3688
3689         * final.c (rest_of_handle_final): Call
3690         targetm.asm_out.constructor/targetm.asm_out.destructor
3691         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
3692         proper priority via decl_*_priority_insert.
3693         * c-common.c (c_expand_body): Likewise.
3694
3695 2007-04-22  Richard Guenther  <rguenther@suse.de>
3696
3697         PR tree-optimization/29789
3698         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
3699         (rewrite_reciprocal): New helper split out from
3700         determine_invariantness_stmt.
3701         (rewrite_bittest): Likewise.
3702         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
3703         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
3704         is not.
3705
3706 2007-04-22  Revital Eres  <eres@il.ibm.com>
3707
3708         * loop-unroll.c (var_to_expand): New field to support also
3709         insns of the form x = something + x.
3710         (analyze_insn_to_expand_var): Use it.
3711         (expand_var_during_unrolling): Likewise.
3712
3713 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
3714
3715         * predict.c: Include pointer-set.h.
3716         (bb_predictions): New variable.
3717         (tree_predicted_by_p, tree_predict_edge,
3718         remove_predictions_associated_with_edge): Use bb_predictions map
3719         instead of bb->predictions.
3720         (clear_bb_predictions, assert_is_empty): New functions.
3721         (combine_predictions_for_bb): Use bb_predictions map.  Call
3722         clear_bb_predictions.
3723         (tree_estimate_probability): Create and free bb_predictions map.
3724         * Makefile.in (predict.o): Add pointer-set.h dependency.
3725         * basic-block.h (struct basic_block_def): Remove predictions
3726         field.
3727         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
3728
3729 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3730
3731         PR target/31480
3732         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
3733         is null.
3734
3735 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3736
3737         * timevar.c (timevar_print): Change reference of --disable-checking to
3738         --enable-checking=release.  Also warn if assert checking is disabled.
3739
3740 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3741
3742         PR C/30265
3743         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
3744         decl as addressable if the compound literal was marked as
3745         addressable.
3746         Mark the decl as a gimple register if it is a complex or
3747         vector decl and does not live in memory.
3748
3749 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3750
3751         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
3752         (GENERIC_NEXT): New function macro.
3753         (PHI_CHAIN): Use phi_node's new chain variable.
3754         (tree_phi_node): Change tree_common to tree_base
3755         and add the chain field.
3756         * tree-phinodes.c (make_phi_node): Don't set
3757         TREE_TYPE on the new node.
3758         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
3759         instead of checking GIMPLE_TUPLE_P in chain_next.
3760         * tree-vect-transform.c
3761         (get_initial_def_for_induction): Look at
3762         PHI_RESULT_TREE for the type of the phi node.
3763         (update_vuses_to_preheader): Use PHI_CHAIN
3764         instead of TREE_CHAIN on the phi node.
3765         * tree-ssa-structalias.c (compute_points_to_sets):
3766         Likewise.
3767         (ipa_pta_execute): Likewise.
3768
3769 2007-04-21  Richard Guenther  <rguenther@suse.de>
3770
3771         PR middle-end/31136
3772         * fold-const.c (fold_unary): Call fold_convert_const on the
3773         original tree.
3774
3775 2007-04-21  Alexandre Oliva  <aoliva@redhat.com>
3776
3777         * gcse.c (store_killed_in_insn): Handle PARALLELs.
3778         (store_killed_in_pat): New.
3779
3780 2007-04-20  Richard Henderson  <rth@redhat.com>
3781
3782         PR target/31628
3783         * config/i386/i386.c (type_has_variadic_args_p): Look for any
3784         TREE_LIST with a void_type_node value, not void_list_node exactly.
3785
3786 2007-04-21  Douglas Gregor  <doug.gregor@gmail.com>
3787
3788         * doc/standards.texi: Re-arrange into language-specific
3789         subsections. Add a C++ section, documenting which standards we
3790         support.
3791
3792 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
3793
3794         * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
3795         * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
3796
3797 2007-04-20  Daniel Jacobowitz  <dan@codesourcery.com>
3798
3799         * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
3800         ecrti.o and crtbegin.o.
3801         (LIB_DEFAULT_SPEC): Include -lc.
3802         (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
3803
3804 2007-04-20  Richard Henderson  <rth@redhat.com>
3805
3806         PR target/28623
3807         * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
3808         argument; update all callers.
3809         (get_unaligned_offset): New.
3810         * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
3811         get_unaligned_address, just pass on the address directly.
3812         (unaligned_extendqidi): Use gen_lowpart instead of open-coding
3813         the subreg in the helper patterns.
3814         (unaligned_extendqidi_le): Use get_unaligned_offset.
3815         (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
3816         (unaligned_extendhidi_be): Likewise.
3817         (unaligned_extendhidi): Tidy.
3818         * config/alpha/alpha-protos.h: Update.
3819
3820 2007-04-20  Richard Henderson  <rth@redhat.com>
3821
3822         * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
3823         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
3824         * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
3825         * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
3826         * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
3827         (CPP_SPEC): Don't include %(cpp_subtarget).
3828         * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
3829         (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
3830         * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
3831
3832 2007-04-20  Jakub Jelinek  <jakub@redhat.com>
3833
3834         * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
3835         for __builtin_ia32_cmpordss.
3836
3837         PR tree-optimization/31632
3838         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
3839         and arg1 for optimizations of comparison against min/max values.
3840         Fold arg0 to arg1's type for optimizations of comparison against
3841         min+1 and max-1 values.
3842
3843 2007-04-19  Bernd Schmidt  <bernd.schmidt@analog.com>
3844
3845         * reload.c (combine_reloads): When trying to use a dying register,
3846         check whether it's uninitialized and don't use if so.
3847
3848 2007-04-19  Brooks Moses  <brooks.moses@codesourcery.com>
3849
3850         * fold-const.c: Remove prototypes for native_encode_expr and
3851         native_interpret_expr.
3852         (native_encode_expr): Make non-static.
3853         (native_interpret_expr): Likewise.
3854         * tree.h: Add prototypes for the above.
3855
3856 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
3857
3858         * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
3859         *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
3860         *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
3861         spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
3862         tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
3863         Add length attributes.
3864
3865 2007-04-19  Janis Johnson  <janis187@us.ibm.com>
3866
3867         * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
3868         not that it is 1.
3869
3870         * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
3871         __STDC_WANT_DEC_FP__.
3872
3873 2007-04-19  Joseph Myers  <joseph@codesourcery.com>
3874
3875         * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
3876         for long double compatibility.
3877         * configure: Regenerate.
3878
3879 2007-04-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
3880
3881         PR rtl-optimization/29841
3882         * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
3883         trap instructions.
3884         * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
3885         that may cause control flow transfer from being moved.
3886
3887 2007-04-18  Jan Hubicka  <jh@suse.cz>
3888
3889         * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
3890         types.
3891
3892 2007-04-18  Eric Christopher  <echristo@apple.com>
3893
3894         * config/rs6000/darwin.md (load_macho_picbase): Use link register
3895         only. Update operands.
3896         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
3897         * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
3898         link register to pic register.
3899
3900 2007-04-18  Dirk Mueller  <dmueller@suse.de>
3901
3902         PR diagnostic/31227
3903         * tree-vrp.c (search_for_addr_array): New.
3904         (check_array_bounds): Suppress warning about
3905         address taken of array refs if its not de-referenced.
3906
3907 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
3908
3909         * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
3910         * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
3911
3912         * tree-vectorizer.h (NITERS_KNOWN_P): New.
3913         * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
3914         instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
3915
3916         * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
3917         dump print.
3918         (vect_analyze_operations): Fix indenetation.  Fix a comment.  Fix a
3919         print message.
3920         (vect_analyze_scalar_cycles): Fix indentation.
3921         (vect_enhance_data_refs_alignment): Fix check in case of peeling.
3922         (vect_mark_relevant): Include phis in relevance analysis.
3923
3924         * tree-vect-transform.c (vect_transform_loop): Add an assert.
3925
3926 2007-04-18  Anatoly Sokolov <aesok@post.ru>
3927
3928         * config/avr/avr.c (ptrreg_to_str): Replace error() with
3929         output_operand_lossage().
3930
3931 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
3932
3933         * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
3934         the unused code for reduction without adjust-in-epilog to simplify the
3935         function.
3936
3937 2007-04-18  Wolfgang Gellerich  <gellerich@de.ibm.com>
3938
3939         * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
3940         (S390_TDC_NEGATIVE_ZERO): New constant.
3941         (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
3942         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
3943         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
3944         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
3945         (S390_TDC_POSITIVE_INFINITY): New constant.
3946         (S390_TDC_NEGATIVE_INFINITY): New constant.
3947         (S390_TDC_POSITIVE_QUIET_NAN): New constant.
3948         (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
3949         (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
3950         (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
3951         (S390_TDC_INFINITY): New constant.
3952         * config/s390/s390.c (s390_canonicalize_comparison): Renamed
3953         UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
3954         optimization for UNSPEC_CCZ_TO_INT.
3955         * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
3956         ("*ccz_to_int"): New insn.
3957         ("isinf<mode>2"): New insn.
3958         (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
3959         (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
3960         (UNSPEC_CCZ_TO_INT): New constant.
3961
3962 2007-04-18  Richard Guenther  <rguenther@suse.de>
3963
3964         PR tree-optimization/19431
3965         PR tree-optimization/21463
3966         * tree-pass.h (pass_phiprop): Declare.
3967         * passes.c (init_optimization_passes): New phiprop pass.
3968         * tree-ssa-forwprop.c (struct phiprop_d): New structure.
3969         (phivn_valid_p): New helper function.
3970         (phiprop_insert_phi): Likewise.
3971         (propagate_with_phi): Likewise.
3972         (tree_ssa_phiprop): New propagator propagating loads
3973         through phi nodes if profitable.
3974
3975 2007-04-18  Dorit Nuzman  <dorit@il.ibm.com>
3976
3977         * tree-vect-analyze.c (process_use): New function.
3978         (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
3979         Check phis in all bbs.
3980         * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
3981         assert.
3982
3983 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
3984
3985         * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
3986         we use REG_EQUAL.
3987
3988 2007-04-17  Anatoly Sokolov <aesok@post.ru>
3989
3990         PR target/30483
3991         * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
3992         error().
3993
3994 2007-04-17  H.J. Lu  <hongjiu.lu@intel.com>
3995
3996         * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
3997         on "0".
3998         (sse_vmmulv4sf3): Likewise.
3999         (sse2_vmaddv2df3): Likewise.
4000         (sse2_vmmulv2df3): Likewise.
4001
4002 2007-04-17  Zdenek Dvorak  <dvorakz@suse.cz>
4003
4004         PR rtl-optimization/31360
4005         * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
4006         (target_reg_cost): New.
4007         (init_set_costs): Initialize target_reg_cost.  Add comments
4008         regarding the rationale of the costs.
4009         (global_cost_for_size): Renamed to...
4010         (estimate_reg_pressure_cost): ... and simplify.  Decrease importance
4011         of register pressure.
4012         * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
4013         estimate_reg_pressure_cost.  Add number of ivs.
4014         (determine_set_costs): Dump target_reg_cost.
4015         * loop-invariant.c (gain_for_invariant):  Use
4016         estimate_reg_pressure_cost.  Removed n_inv_uses argument.
4017         (best_gain_for_invariant, find_invariants_to_move): Remove
4018         n_inv_uses.
4019         * cfgloop.h (target_small_cost, target_pres_cost): Removed.
4020         (target_reg_cost): Declare.
4021         (global_cost_for_size): Declaration removed.
4022         (estimate_reg_pressure_cost): Declare.
4023
4024 2007-04-17  Peter Bergner  <bergner@vnet.ibm.com>
4025
4026         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
4027         regnos into even/odd register pairs.
4028         * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
4029         TDmode similar to the other floating point modes.
4030         [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
4031         * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
4032         define_expand's.
4033         (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
4034         nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
4035         (movdd_hardfloat64): Use TARGET_MFPGPR.
4036
4037 2007-04-17  Bernd Schmidt  <bernd.schmidt@analog.com>
4038
4039         * reload1.c (delete_output_reload): Don't count output in n_inherited.
4040
4041         Revert
4042         2005-01-05  Richard Henderson  <rth@redhat.com>
4043         PR rtl-opt/10692
4044         * reload1.c (do_input_reload): Restrict the optimization deleteing
4045         a previous output reload to RELOAD_FOR_INPUT.
4046
4047 2007-04-17  Dorit Nuzman  <dorit@il.ibm.com>
4048
4049         * tree-vectorizer.h (stmt_vec_info_type): Add enum value
4050         induc_vec_info_type.
4051         (vectorizable_induction): New function declaration.
4052         * tree-vect-transform.c (get_initial_def_for_induction): No need to
4053         check if already vectorized.  Find first place in BB where new stmts
4054         can be inserted.  Takes only one argument.
4055         (vectorizable_induction): New function.
4056         (vect_transform_stmt): Add case for induc_vec_info_type to call
4057         vectorizable_induction.
4058         (vect_transform_loop): Consider phis for vectorization.
4059         * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
4060         condition.
4061         (analyze_operations): Call vectorizable_induction when analyzing phis.
4062         Fix comment.
4063         (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
4064         (vect_mark_relevant): Include phis in relevance analysis.
4065         (vect_mark_stmts_to_be_vectorize): Likewise.
4066         * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
4067
4068 2007-04-16  Lawrence Crowl  <crowl@google.com>
4069
4070         * doc/invoke.texi (Debugging Options): Add documentation for the
4071         -femit-struct-debug options -femit-struct-debug-baseonly,
4072         -femit-struct-debug-reduced, and
4073         -femit-struct-debug-detailed[=...].
4074
4075         * c-opts.c (c_common_handle_option): Add
4076         OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
4077         and OPT_femit_struct_debug_detailed_.
4078         * c.opt: Add specifications for
4079         -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
4080         and -femit-struct-debug-detailed[=...].
4081         * opts.c (set_struct_debug_option): Parse the
4082         -femit-struct-debug-... options.
4083         * opts.c (matches_main_base, main_input_basename,
4084         main_input_baselength, base_of_path, matches_main_base): Add
4085         variables and functions to compare header base name to compilation
4086         unit base name.
4087         * opts.c (should_emit_struct_debug): Add to determine to emit a
4088         structure based on the option.
4089         (dump_struct_debug) Also disabled function to debug this
4090         function.
4091         * opts.c (handle_options): Save the base name of the
4092         compilation unit.
4093
4094         * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
4095         (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
4096         This hook indicates if a type is generic.  Set it by default
4097         to "never generic".
4098         * langhooks.h (struct lang_hooks_for_types): Add a new hook
4099         to determine if a struct type is generic or not.
4100         * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
4101         * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
4102         * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
4103         with live C++ hook.
4104
4105         * flags.h (enum debug_info_usage): Add an enumeration to describe
4106         a program's use of a structure type.
4107         * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
4108         to indicate the program's usage of the type.  Filter structs based
4109         on the -femit-struct-debug-... specification.
4110         (gen_type_die): Split into two routines, gen_type_die and
4111         gen_type_die_with_usage.  gen_type_die is now a wrapper
4112         that assumes direct usage.
4113         (gen_type_die_with_usage): Replace calls to gen_type_die
4114         with gen_type_die_with_usage adding the program usage of
4115         the referenced type.
4116         (dwarf2out_imported_module_or_decl): Suppress struct debug
4117         information using should_emit_struct_debug when appropriate.
4118
4119 2007-04-16  Ian Lance Taylor  <iant@google.com>
4120
4121         PR tree-optimization/31522
4122         * tree-vrp.c (vr_phi_edge_counts): New static variable.
4123         (vrp_initialize): Allocate vr_phi_edge_counts.
4124         (vrp_visit_phi_node): Don't push to infinity if we saw a new
4125         executable edge.  Drop test for all constants.
4126         (vrp_finalize): Free vrp_phi_edge_counts.
4127
4128         * doc/cpp.texi (Common Predefined Macros): Clarify description of
4129         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
4130
4131         * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
4132         predecessors at head rather than tail.
4133
4134 2007-04-16  Matthias Klose  <doko@debian.org>
4135
4136         * config/alpha/linux.h (CPP_SPEC): Define.
4137         * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
4138
4139 2007-04-16  Aldy Hernandez  <aldyh@redhat.com>
4140
4141         * function.h: Remove sequence_stack extern declaration.
4142
4143 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
4144
4145         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
4146         TARGET_FIDOA.
4147         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
4148         defined.
4149
4150 2007-04-16  Anatoly Sokolov <aesok@post.ru>
4151
4152         * config/avr/avr.c (avr_arch_types): Rearranging  array.
4153         (enum avr_arch): Add.
4154         (avr_mcu_types): Use avr_arch enumeration constants instead of
4155         numbers.
4156         * config/avr/avr.h (LINK_SPEC): Simplify.
4157
4158 2007-04-16  Kazu Hirata  <kazu@codesourcery.com>
4159
4160         * config/m68k/m68k.c (m68k_libcall_value,
4161         m68k_function_value): Use macros for register names more.
4162
4163         * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
4164         instead.
4165         (M68K_REGNAME): Use A6_REG.
4166         * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
4167
4168 2007-04-16  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
4169
4170         PR middle-end/28071
4171         * sched-int.h (struct deps): Split field 'pending_lists_length' into
4172         'pending_read_list_length' and 'pending_write_list_length'.  Update
4173         comment.
4174         * sched-deps.c (add_insn_mem_dependence): Change signature.  Update
4175         to handle two length counters instead of one.  Update all uses.
4176         (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
4177         two length counters instead of one.
4178         * sched-rgn.c (propagate_deps): Update to handle two length counters
4179         instead of one.
4180
4181 2007-04-16  H.J. Lu  <hongjiu.lu@intel.com>
4182
4183         PR target/31582
4184         * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
4185         copy of source, pass it to ix86_expand_vector_set and return
4186         it as target.
4187
4188 2007-04-16  David Ung  <davidu@mips.com>
4189             Joseph Myers  <joseph@codesourcery.com>
4190
4191         * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
4192         PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
4193         * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
4194         Add 74K processor information.
4195         * config/mips/mips.md: Include 74k.md.
4196         (cpu): Add 74kc,74kf,74kx.
4197         (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
4198         * config/mips/74k.md: New.
4199         * doc/invoke.texi (MIPS Options): Document 74K support.
4200
4201 2007-04-16  Dorit Nuzman  <dorit@il.ibm.com>
4202
4203         * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
4204         vectorizable_* functions.
4205         * tree-vect-transform.c (vectorizable_call): Add check for
4206         STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
4207         (vectorizable_store): likewise.
4208         (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
4209         Add comments.
4210         (vectorizable_operation, vectorizable_type_demotion): Likewise.
4211         (vectorizable_type_promotion, vectorizable_load): Likewise.
4212         (vectorizable_live_operation, vectorizable_condition): Likewise.
4213         (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
4214         STMT_VINFO_LIVE_P.
4215         (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
4216
4217 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
4218
4219         * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
4220         register numbers more.
4221         * config/m68k/m68k.h (STACK_POINTER_REGNUM,
4222         FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
4223         M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
4224         FUNCTION_VALUE_REGNO_P): Likewise.
4225         * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
4226         STATIC_CHAIN_REGNUM): Likewise.
4227         * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
4228         * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
4229         STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
4230         * config/m68k/m68k.md (FP_REG): New.
4231
4232 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
4233
4234         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
4235         alignment on fido.
4236
4237 2007-04-15  Kazu Hirata  <kazu@codesourcery.com>
4238
4239         * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
4240         tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
4241         comment typos.
4242
4243 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
4244
4245         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
4246         cold loops.
4247
4248 2007-04-14  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4249
4250         PR c/31520
4251         * c-decl.c (finish_decl): Grab the type of the decl after the call
4252         to store_init_value.
4253
4254 2007-04-14  Steven Bosscher  <steven@gcc.gnu.org>
4255
4256         * common.opt (fforward-propagate): Fix "Optimization" annotation.
4257
4258 2007-04-14  Jakub Jelinek  <jakub@redhat.com>
4259
4260         PR c++/25874
4261         * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
4262         post dominators and cleanup cfg before returning.
4263
4264 2007-04-14  Bernd Schmidt  <bernd.schmidt@analog.com>
4265
4266         * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
4267         * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
4268
4269 2007-04-14  Kazu Hirata  <kazu@codesourcery.com>
4270
4271         * config.gcc: Recognize fido.
4272         * config/m68k/m68k-devices.def (fidoa): New.
4273         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
4274         __mfido__.
4275         (FL_FIDOA, TARGET_FIDOA): New.
4276         * config/m68k/m68k.opt (mfidoa): New.
4277
4278 2007-04-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4279
4280         PR middle-end/31322
4281         * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
4282         when a personality function is used.
4283
4284 2007-04-13  Bob Wilson  <bob.wilson@acm.org>
4285
4286         * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
4287
4288 2007-04-13  Mike Stump  <mrs@apple.com>
4289
4290         * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
4291         we can...
4292         * config/darwin.opt (fapple-kext): Make C++ only.
4293         * config/darwin.c (darwin_override_options): Remove code to ensure
4294         -fapple-kext is given for C++ only.
4295
4296 2007-04-13  Richard Sandiford  <richard@codesourcery.com>
4297
4298         * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
4299         * config/mips/mips.c (override_options): Call
4300         SUBTARGET_OVERRIDE_OPTIONS, if defined.
4301
4302 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
4303
4304         * config/i386/i386.opt (msvr3-shlib): Removed.
4305
4306         * doc/invoke.texi: Remove -msvr3-shlib.
4307
4308 2007-04-13  H.J. Lu  <hongjiu.lu@intel.com>
4309
4310         * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
4311         with "popcnt" instruction.
4312
4313 2007-04-13  Richard Guenther  <rguenther@suse.de>
4314
4315         PR tree-optimization/21258
4316         * tree-vrp.c (compare_case_labels): New helper.
4317         (find_switch_asserts): New function.
4318         (find_assert_locations): Call it for SWITCH_EXPRs.
4319
4320 2007-04-13  Uros Bizjak  <ubizjak@gmail.com>
4321
4322         * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
4323         * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
4324         check is now implied in X87_FLOAT_MODE_P.
4325         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
4326         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
4327         (fix_trunc<mode>_i386_fisttp): Ditto.
4328         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
4329         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
4330         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
4331         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
4332         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
4333         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
4334         (unnamed_splitters): Ditto.
4335         * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
4336         for X87_FLOAT_MODE_P mode.  Override FIRST_FLOAT_REG with
4337         FIRST_SSE_REG for local functions when SSE math is enabled or
4338         for functions with sseregparm attribute.
4339         (standard_80387_constant_p): Return -1 if mode is not
4340         X87_FLOAT_MODE_P.
4341         (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
4342         (ix86_expand_compare): Ditto.
4343         (ix86_expand_carry_flag_compare): Ditto.
4344         (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
4345         of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
4346         DECIMAL_FLOAT_MODE_P.
4347         (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
4348         of SCALAR_FLOAT_MODE_P.
4349         (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
4350         [MINUS]: ... here.  Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
4351         checks before FLOAT_MODE_P.
4352         [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
4353         before FLOAT_MODE_P.
4354         [DIV]: Ditto.
4355         [NEG]: Ditto.
4356         [ABS]: Ditto.
4357         [SQRT]: Ditto.
4358         [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
4359
4360 2007-04-12  Paolo Bonzini  <bonzini@gnu.org>
4361             Charles Wilson  <libtool@cwilson.fastmail.fm>
4362
4363         * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
4364         (libgcc.mvars): Don't depend on them.
4365         * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
4366         * exec-tool.in: New.
4367
4368 2007-04-12  Brooks Moses  <brooks.moses@codesourcery.com>
4369
4370         * doc/invoke.text (--help): Document --help=common.
4371
4372 2007-04-12  Thomas Neumann  <tneumann@users.sourceforge.net>
4373
4374         * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
4375
4376 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
4377
4378         * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
4379         * genemit.c (main): Emit #include "integrate.h".
4380         * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
4381         (LOADGP_RTP): New mips_loadgp_style.
4382         * config/mips/mips.h: Include config/vxworks-dummy.h.
4383         (TARGET_RTP_PIC): New macro.
4384         (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
4385         (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
4386         (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
4387         for TARGET_RTP_PIC.
4388         * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define.  Pass down
4389         -mvxworks-pic when using -mrtp and a PIC option.
4390         * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
4391         for RTP PIC.
4392         (mips_symbolic_constant_p, mips_symbolic_address_p)
4393         (mips_symbol_insns): Handle SYMBOL_HALF.
4394         (override_options): Warn about -G and -mrtp being used together.
4395         Initialize mips_lo_relocs[SYMBOL_HALF].
4396         (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
4397         (mips_emit_loadgp): Handle LOADGP_RTP.
4398         (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
4399         * config/mips/mips.md (loadgp_rtp): New insn and splitter.
4400         (tablejump): Handle function-relative case table entries if
4401         TARGET_RTP_PIC.
4402         * config/mips/predicates.md (symbol_ref_operand): New predicate.
4403
4404 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
4405
4406         * config/mips/mips.md (load_call<mode>): Allow any general register.
4407         destination.
4408         (sibcall_value_internal, sibcall_value_multiple_internal)
4409         (call_value_internal, call_value_split, call_value_multiple_internal)
4410         (call_value_multiple_split): Remove constraints from operand 0.
4411
4412 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
4413
4414         * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
4415         rather than loadgp_noshared.
4416         * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
4417         instead of gen_loadgp_noshared.  Use gen_loadgp_newabi instead of
4418         gen_loadgp.
4419         * config/mips/mips.md (loadgp): Rename to...
4420         (loadgp_newabi): ...this.
4421         (loadgp_noshared): Rename to...
4422         (loadgp_absolute): ...this.
4423
4424 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
4425
4426         * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
4427         false for locally-binding symbols.
4428         (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
4429
4430 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
4431
4432         * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
4433         (SYMBOL_GOT_PAGE_OFST): ...this.
4434         (SYMBOL_GOT_GLOBAL): Rename to...
4435         (SYMBOL_GOT_DISP): ...this.
4436         (SYMBOL_GOTOFF_GLOBAL): Rename to...
4437         (SYMBOL_GOTOFF_DISP): ...this.  Update comments accordingly.
4438         * config/mips/mips.c (mips_global_symbol_p): New function.
4439         (mips_symbol_binds_local_p): Likewise.
4440         (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
4441         and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST.  Use mips_global_symbol_p
4442         and mips_symbol_binds_local_p.
4443         (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
4444         (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
4445         SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
4446         SYMBOL_GOTOFF_DISP.
4447         (mips_ok_for_lazy_binding_p): New function.
4448         (mips_load_call_address, mips_expand_call): Use it.
4449         (mips_dangerous_for_la25_p): Likewise.
4450         * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
4451         (*got_disp<mode>): Use got_disp_operand instead of
4452         global_got_operand.  Use SYMBOL_GOTOFF_DISP instead of
4453         SYMBOL_GOTOFF_GLOBAL.
4454         (*got_page<mode>): Use got_page_ofst_operand instead of
4455         local_got_operand.
4456         * config/mips/predicates.md (const_call_insn_operand): Use
4457         SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
4458         (global_got_operand): Rename to...
4459         (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
4460         SYMBOL_GOT_GLOBAL.
4461         (local_got_operand): Rename to...
4462         (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
4463         of SYMBOL_GOT_LOCAL.
4464
4465 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
4466
4467         * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
4468         TARGET_CALL_CLOBBERED_GP.
4469         (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
4470         (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
4471         (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
4472         (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
4473         of TARGET_ABICALLS && !TARGET_NEWABI.
4474         (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
4475         * config/mips/mips.c (mips_load_call_address): Check
4476         TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
4477         (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
4478         Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
4479         (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
4480         TARGET_ABICALLS && TARGET_NEWABI.
4481         (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
4482         TARGET_ABICALLS.
4483         (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
4484         (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
4485         TARGET_ABICALLS && TARGET_NEWABI.
4486         (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
4487         TARGET_ABICALLS.  Check TARGET_CALL_SAVED_GP instead of
4488         TARGET_NEWABI.  Use TARGET_USE_PIC_FN_ADDR_REG to decide
4489         whether indirect calls must use $25.
4490         (mips_extra_live_on_entry): Check TARGET_GOT instead of
4491         TARGET_ABICALLS.
4492         * config/mips/mips.md (jal_macro): Check flag_pic and
4493         TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
4494         (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
4495         instead of TARGET_ABICALLS.
4496         (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
4497         TARGET_ABICALLS && TARGET_OLDABI.
4498         (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
4499         (sibcall): In the comment above the define_insn, mention
4500         TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
4501         * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
4502         instead of TARGET_ABICALLS.
4503
4504 2007-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
4505
4506         * doc/md.texi (Blackfin family constraints): Document PA and PB.
4507         * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
4508         (MACFLAGS_MATCH_P): New macro.
4509         * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
4510         (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
4511         * config/bfin/bfin.md (MACFLAG_IS_M): New constant.  Renumber some of
4512         the other MACFLAG constants.
4513         (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
4514         (flag_machi): Tighten constraints.  Renumber some of the operands.
4515         (flag_machi_acconly): Tighten constraints.  Correct operand numbers in
4516         output template.
4517         (flag_machi_parts_acconly): New pattern.
4518         (flag_macinithi): Tighten constraints.  Allow any accumulator to be
4519         used.
4520         (flag_macinit1hi): Tighten constraints.
4521         (flag_mul_macv2hi_parts_acconly): New pattern.
4522
4523         * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
4524         Use a more efficient implementation.
4525         * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
4526         inline sequences when not optimizing for size.
4527
4528         * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
4529         movhi_high2low): Delete, merge functionality into...
4530         (packv2hi): ... this pattern.
4531
4532         2007-02-11  Jie Zhang  <jie.zhang@analog.com>
4533         * config/bfin/bfin.opt (msim): New option.
4534         (mcpu=): New option.
4535         * config/bfin/bfin-protos.h (enum bfin_cpu): New.
4536         (bfin_cpu_t): Typedef of enum bfin_cpu.
4537         (bfin_cpu_type): New declaration.
4538         * config/bfin/elf.h (STARTFILE_SPEC): Add support for
4539         -msim and -mcpu= options.
4540         (LIB_SPEC): Likewise.
4541         * config/bfin/bfin.c (bfin_cpu_type): Define.
4542         (bfin_handle_option): Handle -mcpu= option.
4543         * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
4544         (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
4545         __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
4546
4547 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
4548
4549         * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
4550         (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
4551         (powerpc-wrs-vxworksae): Use ${tm_file}.
4552         (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
4553         after elfos.h.  Remove i386/sysv4.h and add i386/vx-common.h.
4554         * config/i386/vx-common.h: New file.
4555
4556 2007-04-12  Richard Sandiford  <richard@codesourcery.com>
4557
4558         * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
4559         of crt0.o%s.
4560
4561 2007-04-12  Andreas Krebbel  <krebbel1@de.ibm.com>
4562
4563         * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
4564         ldxtr.
4565
4566 2007-04-12  Douglas Gregor  <doug.gregor@gmail.com>
4567
4568         PR c++/31078
4569         PR c++/31103
4570         * c-common.c (c_build_qualified_type): Set canonical type
4571         appropriately.
4572
4573 2007-04-12  Richard Guenther  <rguenther@suse.de>
4574
4575         * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
4576         lower bound and element size if lower bound is not zero
4577         or either of the ARRAY_REF operands is set.
4578
4579 2007-04-12  Richard Guenther  <rguenther@suse.de>
4580
4581         PR tree-optimization/24689
4582         PR tree-optimization/31307
4583         * fold-const.c (operand_equal_p): Compare INTEGER_CST array
4584         indices by value.
4585         * gimplify.c (canonicalize_addr_expr): To be consistent with
4586         gimplify_compound_lval only set operands two and three of
4587         ARRAY_REFs if they are not gimple_min_invariant.  This makes
4588         it never at this place.
4589         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
4590
4591 2007-04-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4592
4593         * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
4594         null before emitting a .nsubspa directive.
4595
4596 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
4597
4598         * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
4599         need_to_partition_p if there are no memory statements in the
4600         function.
4601
4602 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
4603
4604         * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
4605         (gcd_of_steps_may_divide_p): New function.
4606         (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
4607
4608 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4609
4610         * reload.c (find_reloads_toplev, find_reloads_address,
4611         find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
4612         not a pointer equality test, to decide if we need to call
4613         push_reg_equiv_alt_mem.
4614
4615 2007-04-11  Sebastian Pop  <sebastian.pop@inria.fr>
4616
4617         * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
4618         insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
4619         (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
4620
4621 2007-04-11  Zdenek Dvorak  <dvorakz@suse.cz>
4622
4623         * tree-data-ref.c (add_multivariate_self_dist): Force the distance
4624         vector to be positive.
4625
4626 2007-04-11  Diego Novillo  <dnovillo@redhat.com>
4627
4628         PR 30735
4629         PR 31090
4630         * doc/invoke.texi: Document --params max-aliased-vops and
4631         avg-aliased-vops.
4632         * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
4633         debug_memory_partitions): Move to tree-flow.h
4634         * params.h (AVG_ALIASED_VOPS): Define.
4635         * tree-ssa-alias.c (struct mp_info_def): Remove.  Update all
4636         users.
4637         (mp_info_t): Likewise.
4638         (get_mem_sym_stats_for): New.
4639         (set_memory_partition): Move from tree-flow-inline.h.
4640         (mark_non_addressable): Only clear the set of symbols for the
4641         partition if it exists.
4642         (dump_memory_partitions): Move from tree-ssa-operands.c
4643         (debug_memory_partitions): Likewise.
4644         (need_to_partition_p): New.
4645         (dump_mem_ref_stats): New.
4646         (debug_mem_ref_stats): New.
4647         (dump_mem_sym_stats): New.
4648         (debug_mem_sym_stats): New.
4649         (update_mem_sym_stats_from_stmt): New.
4650         (compare_mp_info_entries): New.
4651         (mp_info_cmp): Call it.
4652         (sort_mp_info): Change argument to a list of mem_sym_stats_t
4653         objects.
4654         (get_mpt_for): Move from tree-ssa-operands.c.
4655         (find_partition_for): New.
4656         (create_partition_for): Remove.
4657         (estimate_vop_reduction): New.
4658         (update_reference_counts): New.
4659         (build_mp_info): New.
4660         (compute_memory_partitions): Refactor.
4661         Document new heuristic.
4662         Call build_mp_info, update_reference_counts,
4663         find_partition_for and estimate_vop_reduction.
4664         (compute_may_aliases): Populate virtual operands before
4665         calling debugging dumps.
4666         (delete_mem_sym_stats): New.
4667         (delete_mem_ref_stats): New.
4668         (init_mem_ref_stats): New.
4669         (init_alias_info): Call it.
4670         (maybe_create_global_var): Remove alias_info argument.
4671         Get number of call sites and number of pure/const call sites
4672         from gimple_mem_ref_stats().
4673         (dump_alias_info): Call dump_memory_partitions first.
4674         (dump_points_to_info_for): Show how many times a pointer has
4675         been dereferenced.
4676         * opts.c (decode_options): For -O2 set --param
4677         max-aliased-vops to 500.
4678         For -O3 set --param max-aliased-vops to 1000 and --param
4679         avg-aliased-vops to 3.
4680         * fortran/options.c (gfc_init_options): Remove assignment to
4681         MAX_ALIASED_VOPS.
4682         * tree-flow-inline.h (gimple_mem_ref_stats): New.
4683         * tree-dfa.c (dump_variable): Dump memory reference
4684         statistics.
4685         Dump NO_ALIAS* settings.
4686         (referenced_var_lookup): Tidy.
4687         (mem_sym_stats): New.
4688         * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
4689         and ORIG are different SSA names for a memory partition.
4690         * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
4691         * tree-flow.h (struct mem_sym_stats_d): Define.
4692         (mem_sym_stats_t): Define.
4693         (struct mem_ref_stats_d): Define.
4694         (struct gimple_df): Add field mem_ref_stats.
4695         (enum noalias_state): Define.
4696         (struct var_ann_d): Add bitfield noalias_state.
4697         (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
4698         debug_mem_ref_stats, debug_memory_partitions,
4699         debug_mem_sym_stats): Declare.
4700         * tree-ssa-structalias.c (update_alias_info): Update call
4701         sites, pure/const call sites and asm sites in structure
4702         returned by gimple_mem_ref_stats.
4703         Remove local variable IS_POTENTIAL_DEREF.
4704         Increase NUM_DEREFS if the memory expression is a potential
4705         dereference.
4706         Call update_mem_sym_stats_from_stmt.
4707         If the memory references memory, call
4708         update_mem_sym_stats_from_stmt for all the direct memory
4709         symbol references found.
4710         (intra_create_variable_infos): Set noalias_state field for
4711         pointer arguments according to the value of
4712         flag_argument_noalias.
4713         * tree-ssa-structalias.h (struct alias_info): Remove fields
4714         num_calls_found and num_pure_const_calls_found.
4715         (update_mem_sym_stats_from_stmt): Declare.
4716         * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
4717         Set default value to 100.
4718         (PARAM_AVG_ALIASED_VOPS): Define.
4719
4720 2007-04-11  Richard Guenther  <rguenther@suse.de>
4721
4722         PR middle-end/31530
4723         * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
4724         a * -b + c as c - a * b if we honor sign dependent rounding.
4725
4726 2007-04-11  Bernd Schmidt  <bernd.schmidt@analog.com>
4727
4728         * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
4729         bfin_expand_strmov.
4730         * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
4731         bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
4732         variables.
4733         (initialize_trampoline): Don't use old-style function definition.
4734         (bfin_secondary_reload): Mark IN_P argument as unused.
4735
4736 2007-04-10  Sebastian Pop  <sebastian.pop@inria.fr>
4737
4738         PR tree-optimization/31343
4739         * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
4740         (build_polynomial_chrec): Return a scalar when the evolution is zero.
4741         * testsuite/gcc.dg/vect/pr31343.c: New.
4742
4743 2007-04-10  Eric Christopher  <echristo@apple.com>
4744
4745         * config/i386/i386.h (X87_FLOAT_MODE_P): New.
4746         * config/i386/i386.md (*cmpfp0): Use.
4747         (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
4748         (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
4749         (fix_trunc<mode>_i386_fisttp): Ditto.
4750         (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
4751         (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
4752         (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
4753         (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
4754         (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
4755         (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
4756         (unnamed_splitters): Ditto.
4757         * config/i386/i386.c (output_fix_trunc): Assert that
4758         we're not being passed a TFmode operand.
4759
4760 2007-04-10  Zdenek Dvorak  <dvorakz@suse.cz>
4761
4762         PR tree-optimization/31526
4763         * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
4764         n_basic_blocks to find newly added blocks.
4765
4766 2007-04-10  Uros Bizjak  <ubizjak@gmail.com>
4767
4768         * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
4769         alternative.
4770         (fix_trunc<mode>si_sse): Ditto.
4771         (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
4772         (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
4773         (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
4774         (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
4775         (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
4776         expander using SSEMODEF mode macro.
4777         (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
4778         expander using SSEMODEF mode macro.
4779         (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
4780         *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
4781         (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
4782         *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
4783         (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
4784         *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
4785         (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
4786         Macroize insn using X87MODEF mode macro.
4787
4788 2007-04-09  H.J. Lu  <hongjiu.lu@intel.com>
4789
4790         * config/i386/sse.md (sse2_pinsrw): Removed.
4791         (sse2_pextrw): Renamed to ...
4792         (*sse2_pextrw): This.
4793
4794 2007-04-09  Jan Hubicka  <jh@suse.cz>
4795
4796         PR target/27869
4797         * config/i386/sse.md
4798         (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
4799         (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
4800         (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
4801         (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
4802
4803 2007-04-09  Jan Hubicka  <jh@suse.cz>
4804
4805         * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
4806         multiple fields of union.
4807
4808 2007-04-09  Zdenek Dvorak  <dvorakz@suse.cz>
4809
4810         * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
4811         (create_preheaders): Check that loops are available.
4812         (fix_loop_structure): Clean up, improve comments.
4813         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
4814         Check that loops are available.  Set LOOP_CLOSED_SSA to the loops
4815         state flags.
4816         * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
4817         * predict.c (tree_estimate_probability): Do not call
4818         calculate_dominance_info.  Call create_preheaders.
4819         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
4820         rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
4821         flags.
4822         * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
4823         * cfgloop.h (LOOP_CLOSED_SSA): New constant.
4824         * tree-cfg.c (tree_split_edge): Make an assert more precise.
4825         * tree-ssa-threadedge.c (thread_across_edge): Comment the function
4826         arguments.
4827
4828 2007-04-08  Jan Hubicka  <jh@suse.cz>
4829
4830         * tree.h (maybe_fold_offset_to_component_ref): Declare.
4831         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
4832         * fold-const.c (fold_unary): Use it.
4833
4834 2007-04-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
4835
4836         * varasm.c (assemble_variable): Remove call to
4837         lang_hooks.decls.prepare_assemble_variable.
4838         * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
4839         (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
4840         * langhooks.h (lang_hooks_for_decls): Remove
4841         prepare_assemble_variable.
4842
4843 2007-04-08  Mike Stump  <mrs@apple.com>
4844
4845         * config/i386/i386.c: Use inc/dec on Core2.
4846
4847 2007-04-08  Steven Bosscher  <steven@gcc.gnu.org>
4848
4849         * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
4850         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
4851         lhd_tree_inlining_end_inlining): Remove.
4852         * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
4853         add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
4854         end_inlining hooks.
4855         * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
4856         lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
4857         lhd_tree_inlining_end_inlining): Remove prototypes.
4858         (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
4859         LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
4860         LANG_HOOKS_TREE_INLINING_START_INLINING,
4861         LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
4862
4863         * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
4864         not set it.
4865
4866 2007-04-08  Anatoly Sokolov <aesok@post.ru>
4867
4868         PR target/29932
4869         * config/avr/predicates.md (io_address_operand): Delete predicate.
4870         (low_io_address_operand): Don't use 'mode' argument.
4871         (higth_io_address_operand): Rename ...
4872         (high_io_address_operand): ... to this. Don't use 'mode' argument.
4873         * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
4874         for above change.
4875
4876 2007-04-07  Daniel Berlin  <dberlin@dberlin.org>
4877
4878         Revert change removing staticp.
4879
4880 2007-04-07  Anatoly Sokolov <aesok@post.ru>
4881
4882         PR target/30289
4883         * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
4884         earlyclobber.
4885
4886 2007-04-07  Bruce Korb  <bkorb@gnu.org>
4887
4888         * c.opt: Add -Wformat-contains-nul.
4889         * c-format.c (set_Wformat):  Set warn_format_contains_nul to the
4890           -Wformat setting.
4891         (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
4892         the NUL byte warning.
4893
4894 2007-04-07  H.J. Lu  <hongjiu.lu@intel.com>
4895
4896         * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
4897
4898 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
4899
4900         * tree.c (staticp): No longer use staticp langhook.
4901         * langhooks.c (lhd_staticp): Removed.
4902         * langhooks.h (struct lang_hooks): Remove staticp.
4903         * c-common.c (c_staticp): Remove.
4904         * c-common.h (c_staticp): Ditto.
4905         * langhooks-defs.h (lhd_staticp): Ditto.
4906         (LHD_HOOKS_STATICP): Ditto
4907         * tree.h (gcc_assert_lowered): New macro.
4908
4909 2007-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
4910
4911         * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
4912         argument "reliable".
4913         (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
4914         Add argument "reliable".  Propagate it through calls.
4915         (infer_loop_bounds_from_undefined):  Derive number of iterations
4916         estimates from references in blocks that do not dominate loop latch.
4917         (gcov_type_to_double_int): New function.
4918         (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
4919         and expected_loop_iterations_unbounded.
4920         * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
4921         (expected_loop_iterations): Use expected_loop_iterations_unbounded.
4922         * tree-data-ref.c (estimated_loop_iterations): Export.
4923         (get_references_in_stmt): Fix -- do not return addresses of local
4924         objects.
4925         * cfgloop.h (expected_loop_iterations_unbounded,
4926         estimated_loop_iterations): Declare.
4927
4928 2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
4929
4930         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
4931
4932 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
4933
4934         * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
4935         and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
4936         (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
4937         Use output_387_reg_move().
4938         (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
4939         expander using X87MODEF12 mode macro.
4940         (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
4941         choosing register preferences.  Use output_387_reg_move().
4942         (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
4943         instead of "x".  Use output_387_reg_move().
4944         (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
4945         *truncxfdf2_i387_noop.  Macroize insn using X87MODEF12 mode macro.
4946         (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
4947         *truncxfdf2_i387.  Macroize insn using X87MODEF12 mode macro.
4948         Use output_387_reg_move().
4949         (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
4950         mode macro.
4951         (*truncxf?f_i387 splitter): Ditto.
4952
4953 2007-04-06  Daniel Berlin  <dberlin@dberlin.org>
4954
4955         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
4956         LANG_HOOKS_SAFE_FROM_P.
4957         * expr.c (safe_from_p): Remove langhook call.
4958         * langhooks.h (lang_hooks): Remove safe_from_p.
4959         (lhd_safe_from_p): Remove prototype.
4960         * langhooks.c (lhd_safe_from_p): Remove.
4961
4962 2007-04-06  Jan Hubicka  <jh@suse.cz>
4963
4964         * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
4965         functions.
4966
4967 2007-04-06  Uros Bizjak  <ubizjak@gmail.com>
4968
4969         * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
4970         * config/i386/i386.md (*movsf_1, *movdf_nointeger,
4971         *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
4972         *movxf_integer): Use output_387_reg_move() for x87 reg->mem
4973         alternative.
4974         (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
4975         *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
4976
4977 2007-04-05  Richard Henderson  <rth@redhat.com>
4978
4979         * config/alpha/alpha.c (print_operand) [+]: Remove.
4980         (alpha_end_function): Print nop if call at end of function.
4981         * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
4982         * config/alpha/alpha.md (UNSPEC_LDGP1): New.
4983         (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
4984         (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
4985         (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
4986         the call pattern. Update peepholes to match.
4987
4988 2007-04-05  Janis Johnson  <janis187@us.ibm.com>
4989
4990         * doc/extend.texi (Other Builtins): Add decimal float variants
4991         of signbit.
4992         * builtins.def: Ditto.
4993         * builtins.c (expand_builtin): Ditto.
4994
4995 2007-04-05  Uros Bizjak  <ubizjak@gmail.com>
4996             H.J. Lu  <hongjiu.lu@intel.com>
4997
4998         PR target/31478
4999         * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
5000         of V8HImode when calling ix86_binary_operator_ok.
5001         (sse2_pmaddwd): Call ix86_binary_operator_ok.
5002         (sdot_prodv8hi): Operands 1 and 2 must be register.
5003
5004 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
5005
5006         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
5007         initialize align to silence bogus warning.
5008
5009 2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
5010
5011         PR middle-end/22156
5012         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
5013         all_no_warning.
5014         (struct sra_walk_fns): Remove use_all parameter from use.
5015         (sra_hash_tree): Handle BIT_FIELD_REFs.
5016         (sra_elt_hash): Don't hash bitfld blocks.
5017         (sra_elt_eq): Skip them in parent compares as well.  Handle
5018         BIT_FIELD_REFs.
5019         (sra_walk_expr): Don't maintain or pass down use_all_p.
5020         (scan_use): Remove use_all parameter.
5021         (scalarize_use): Likewise.  Re-expand assignment to
5022         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
5023         output, and re-scalarize after output.  Don't mark anything
5024         for no warning.
5025         (scalarize_ldst): Adjust.
5026         (scalarize_walk_gimple_modify_statement): Likewise.
5027         (build_element_name_1): Handle BIT_FIELD_REFs.
5028         (instantiate_element): Don't warn for any element whose parent
5029         is used as a whole.
5030         (instantiate_missing_elements_1): Return the sra_elt.
5031         (canon_type_for_field): New.
5032         (try_instantiate_multiple_fields): New.
5033         (instantiate_missing_elemnts): Use them.
5034         (mark_no_warning): Removed.
5035         (generate_one_element_ref): Handle BIT_FIELD_REFs.
5036         (REPLDUP, sra_build_elt_assignment): New.
5037         (generate_copy_inout): Use them.
5038         (generate_element_copy): Likewise.  Handle bitfld differences.
5039         (generate_element_zero): Don't recurse for blocks.  Use
5040         sra_build_elt_assignment.
5041         (generate_one_element_int): Take elt instead of var.  Use
5042         sra_build_elt_assignment.
5043         (generate_element_init_1): Adjust.
5044         (scalarize_use, scalarize_copy): Use REPLDUP.
5045         (scalarize_ldst): Move assert before dereference.
5046         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
5047
5048 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
5049
5050         * regmove.c: Fix unused variable warnings due to previous commit.
5051
5052 2007-04-05  Steven Bosscher  <steven@gcc.gnu.org>
5053
5054         * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
5055         (regmove_bb_head): Remove.
5056         (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
5057         (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
5058         problems with fixup_match_1.
5059         Don't initialize/free regmove_bb_head.
5060
5061         (reg_is_remote_constant_p): If an insn is in the same basic block
5062         but not before INSN, consider it remote, too.
5063
5064 2007-04-05  Anatoly Sokolov <aesok@post.ru>
5065
5066         PR target/25448
5067         * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
5068         DECL_ASSEMBLER_NAME, not the DECL_NAME.
5069
5070 2007-04-05  H.J. Lu  <hongjiu.lu@intel.com>
5071
5072         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
5073         (CONDITIONAL_REGISTER_USAGE): Likewise.
5074
5075 2007-04-04  Richard Henderson  <rth@redhat.com>
5076
5077         * config/alpha/lib1funcs.asm: Remove unused file.
5078
5079 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
5080
5081         PR other/31356
5082         * opts.c (print_specific_help): Fix --help=<language>
5083         header line.
5084         (common_handle_option): Support --help=common.
5085
5086 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
5087
5088         PR other/31353
5089         * gcc.c (main): Do not run the linker if
5090         print_subprocess_help indicates that it shouldn't be
5091         run.
5092
5093 2007-04-04  Brooks Moses  <brooks.moses@codesourcery.com>
5094
5095         PR doc/31355
5096         * doc/invoke.texi (--help=): Document <languages> value, fix
5097         formatting in tables of values.
5098
5099 2007-04-04  Danny Smith  <dannysmith.users.sourceforge.net>
5100
5101         * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
5102         dllimport attribute of virtual methods.
5103
5104 2007-04-04  Chen Liqin  <liqin@sunnorth.com.cn>
5105
5106         * config/score/crti.asm: Change _bss_start to __bss_start.
5107         * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
5108         (OUTGOING_REG_PARM_STACK_SPACE) update.
5109         * config/score/score.opt: add options to make backend support
5110         score5, score5u, score7 and score7d.
5111         * config/score/score.md: Likewise.
5112         * config/score/misc.md: Likewise.
5113         * config/score/mac.md: Likewise.
5114         * doc/invoke.texi: Likewise.
5115         * doc/md.texi: update constraints define.
5116
5117 2007-04-03  Richard Henderson  <rth@redhat.com>
5118
5119         * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
5120         an appropriate type, use the mode instead.
5121
5122 2007-04-03  Richard Sandiford  <richard@codesourcery.com>
5123
5124         * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
5125         Set the default --with-arch setting to mips2.
5126         * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
5127         (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
5128         (MULTILIB_OSDIRNAMES): Delete.
5129         (MULTILIB_DIRNAMES): Define.
5130         * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
5131         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
5132         (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
5133         definitions, except for _WRS_R3K_EXC_SUPPORT.  Call
5134         VXWORKS_OS_CPP_BUILTINS.
5135         (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
5136         (MIPS_DEBUGGING_INFO): Undefine.
5137         (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
5138
5139 2007-04-03  Jakub Jelinek  <jakub@redhat.com>
5140
5141         PR middle-end/30704
5142         * fold-const.c (native_encode_real): Encode real.c provided longs
5143         as a series of 32-bit native integers.
5144         (native_interpret_real): Interpret buffer as a series of 32-bit
5145         native integers.
5146
5147 2007-04-03  Richard Guenther  <rguenther@suse.de>
5148
5149         * genpreds.c (write_insn_constraint_len): Write function
5150         optimized for CONSTRAINT_LEN implementation.
5151         (write_tm_preds_h): Output insn_constraint_len inline and
5152         use it for CONSTRAINT_LEN.
5153         (write_insn_preds_c): Don't output insn_constraint_len.
5154         * doc/md.texi (define_register_constraint): Document multi-letter
5155         constraints shall have the same length if they start with the same
5156         letter.
5157
5158 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
5159
5160         PR target/31175
5161         * config/i386/i386.md (isinf<mode>2): Expand only when
5162         TARGET_C99_FUNCTIONS is set.
5163
5164 2007-04-03  Uros Bizjak  <ubizjak@gmail.com>
5165
5166         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
5167         (x86_64-*-linux*): Ditto.
5168         * config/i386/i386.opt (mpc): New option.
5169         * config/i386/i386.c (overrride_options): Handle
5170         ix87_precision_string.
5171         * config/i386/crtprec.c: New file.
5172         * config/i386/t-crtpc: Ditto.
5173         * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
5174         and -mpc80 options.
5175         * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
5176         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
5177         crtprec32.o, crtprec64.o and crtprec80.o.
5178
5179         * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
5180         and -mpc80 options.
5181         (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
5182
5183 2007-04-02  Eric Christopher  <echristo@apple.com>
5184
5185         * doc/invoke.texi (i386 and x86-64 Options): Document -m64
5186         limitations on darwin.
5187
5188 2007-04-02  Anatoly Sokolov <aesok@post.ru>
5189
5190         PR target/31137
5191         * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
5192
5193 2007-04-02  Dave Korn  <dave.korn@artimi.com>
5194
5195         * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
5196
5197 2007-04-02  Dave Korn  <dave.korn@artimi.com>
5198
5199         * libgcc2.h (exception_descriptor): Don't forward-declare.
5200         (__get_eh_table_language, __get_eh_table_version): Delete
5201         prototypes of long-dead functions.
5202
5203 2007-04-01  Daniel Berlin  <dberlin@dberlin.org>
5204
5205         * ebitmap.h: New file
5206         * ebitmap.c: New file
5207         * Makefile.in (ebitmap.o): New target.
5208
5209 2007-04-01  Jan Hubicka  <jh@suse.cz>
5210
5211         * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
5212         before very first instruction.
5213
5214 2007-04-01  Jan Hubicka  <jh@suse.cz>
5215
5216         * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
5217         waring on 64bit hosts.
5218         * bitmap.h: Fix typo in bitmap_head_def.
5219
5220 2007-04-01  Steven Bosscher  <steven@gcc.gnu.org>
5221
5222         PR rtl-optimization/31391
5223         * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
5224         into a DELETED_LABEL note, and the label is in an empty basic
5225         block, update BB_END as well as BB_HEAD.
5226
5227 2007-04-01  Richard Henderson  <rth@redhat.com>
5228
5229         PR tree-optimization/31169
5230         * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
5231         to varying if the range is outside [0,  prec-1].
5232
5233 2007-04-01  Richard Sandiford  <richard@codesourcery.com>
5234
5235         PR target/31388
5236         * config/mips/mips.md (load_const_gp): New insn.
5237         * config/mips/mips.c (mips_split_symbol): Avoid using or creating
5238         the MIPS16 GP pseudo register if no_new_pseudos.
5239         (mips16_gp_pseudo_reg): Use gen_load_const_gp.
5240
5241 2007-03-31  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5242
5243         PR target/31364
5244         * config/rs6000/rs6000.md (call): Convert to LR hard reg for
5245         secureplt.
5246         (call_value): Likewise.
5247
5248 2007-03-31  Wolfgang Bangerth  <bangerth@dealii.org>
5249             Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5250
5251         PR 14737
5252         * doc/invoke.texi: (optimization options): Reword description
5253         of -ffast-math. Document its primary purpose.
5254
5255 2007-03-31  Richard Guenther  <rguenther@suse.de>
5256
5257         * omp-low.c (splay-tree.h): Include.
5258         (lookup_decl): Replace splay-tree usage by pointer-map.
5259         (maybe_lookup_decl): Likewise.
5260         (new_omp_context): Likewise.
5261         (delete_omp_context): Likewise.
5262         * gimplify.c (splay-tree.h): Include.
5263         * tree-inline.c (insert_decl_map): Replace splay-tree usage by
5264         pointer-map.
5265         (remap_ssa_name): Likewise.
5266         (remap_decl): Likewise.
5267         (remap_type_1): Likewise.
5268         (remap_type): Likewise.
5269         (copy_body_r): Likewise.
5270         (expand_call_inline): Likewise.
5271         (clone_body): Likewise.
5272         (copy_tree_r): Likewise.
5273         (remap_save_expr): Likewise.
5274         (unsave_r): Likewise.
5275         (unsave_expr_now): Likewise.
5276         (tree_function_versioning): Likewise.
5277         (build_duplicate_type): Likewise.
5278         * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
5279         (struct copy_body_data): Replace splay-tree by pointer-map.
5280         * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
5281         not $(SPLAY_TREE_H).
5282         (gimplify.o): Depend on $(SPLAY_TREE_H).
5283         (omp-low.p): Likewise.
5284
5285 2007-03-31  Anatoly Sokolov <aesok@post.ru>
5286
5287         * config/avr/predicates.md (even_register_operand,
5288         odd_register_operand): New predicates.
5289         * config/avr/avr.md (movw peephole2): New.
5290         (movw_r peephole2): New.
5291
5292 2007-03-30  Rafael Avila de Espindola  <espindola@google.com>
5293
5294         * tree.h (get_signed_or_unsigned_type): New.
5295         * fold-const.c (operand_equal_for_comparison_p): Use
5296         get_signed_or_unsigned_type instead of
5297         lang_hooks.types.signed_or_unsigned_type.
5298         * expr.c (store_expr): Ditto.
5299         * langhooks.c (get_signed_or_unsigned_type): New.
5300         (lhd_signed_or_unsigned_type): New.
5301         * langhooks.h (lhd_signed_or_unsigned_type): New.
5302         * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
5303
5304 2007-03-30  Richard Henderson  <rth@redhat.com>
5305
5306         * tree-ssa-loop-ivopts.c: Include target.h.
5307         (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
5308         (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
5309         (force_expr_to_var_cost): Use produce_memory_decl_rtl.
5310         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
5311
5312 2007-03-30  Richard Henderson  <rth@redhat.com>
5313             Kai Tietz  <kai.tietz@onevision.com>
5314
5315         * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
5316         default for 64-bit.
5317         (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
5318         (TARGET_64BIT_MS_ABI): New.
5319         (DBX_REGISTER_NUMBER): Handle 64-bit.
5320         (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
5321         (LONG_TYPE_SIZE): Force to 32.
5322         (REG_PARM_STACK_SPACE): New.
5323         (OUTGOING_REG_PARM_STACK_SPACE): New.
5324         (REGPARM_MAX, SSE_REGPARM_MAX): New.
5325         (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
5326         (STACK_BOUNDARY): Use 128 for 64-bit.
5327         * config/i386/cygwin.asm: Use push/ret to preserve call stack.
5328         Add 64-bit implementation.
5329         * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
5330         argument unused.
5331         * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
5332         (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
5333         Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
5334         for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
5335         (ix86_handle_cconv_attribute): Don't warn when ignoring if
5336         TARGET_64BIT_MS_ABI.
5337         (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
5338         (ix86_pass_by_reference): Likewise.
5339         (ix86_function_value_regno_p): Likewise.
5340         (ix86_build_builtin_va_list): Likewise.
5341         (ix86_va_start, ix86_gimplify_va_arg): Likewise.
5342         (function_arg_advance_ms_64): New.
5343         (function_arg_advance): Call it.
5344         (function_arg_ms_64): New.
5345         (function_arg): Call it.
5346         (function_value_ms_64): New.
5347         (ix86_function_value_1): Call it.
5348         (return_in_memory_ms_64): New.
5349         (ix86_return_in_memory): Call it.
5350         (setup_incoming_varargs_ms_64): New.
5351         (ix86_setup_incoming_varargs): Call it.
5352         (ix86_expand_prologue): Handle 64-bit stack probing.
5353         (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
5354         (output_pic_addr_const): Likewise.
5355         (x86_this_parameter): Likewise.
5356         (x86_output_mi_thunk): Likewise.
5357         (x86_function_profiler): Likewise.
5358         (TARGET_STRICT_ARGUMENT_NAMING): New.
5359         * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
5360         (TARGET_64BIT_MS_ABI): New.
5361         (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
5362         * config/i386/i386.md (allocate_stack_worker): Remove.
5363         (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
5364         describe the clobber of eax without a match_scratch.
5365         (allocate_stack_worker_postreload): Remove.
5366         (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
5367         describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
5368         (allocate_stack_worker_rex64_postreload): Remove.
5369         (allocate_stack): Handle 64-bit.
5370         * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
5371         * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
5372         (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
5373         (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
5374         (STANDARD_STARTFILE_PREFIX_1): Likewise.
5375         * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
5376         * config.build (x86_64-*-mingw*): New host.
5377         * config.host (x86_64-*-mingw*): New host.
5378         * config.gcc (x86_64-*-mingw*): New target.
5379         * gthr-win32.h (__gthread_key_create): Mark dtor unused.
5380
5381 2007-03-30  Richard Henderson  <rth@redhat.com>
5382             Kai Tietz  <kai.tietz@onevision.com>
5383
5384         * c-pragma.c (struct def_pragma_macro_value): New.
5385         (struct def_pragma_macro): New.
5386         (pushed_macro_table): New.
5387         (dpm_hash, dpm_eq): New.
5388         (handle_pragma_push_macro, handle_pragma_pop_macro): New.
5389         (init_pragma): Install them.
5390         * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
5391
5392 2007-03-30  Anatoly Sokolov <aesok@post.ru>
5393
5394         * config/avr/avr.c (avr_override_options): Clear
5395         'flag_delete_null_pointer_checks'.
5396
5397 2007-03-30  Paolo Carlini  <pcarlini@suse.de>
5398
5399         PR c++/26099
5400         * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
5401         RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
5402         RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
5403         RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
5404         RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
5405         RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
5406         RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
5407         C++ extensions.
5408         * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
5409
5410 2007-03-30  Steven Bosscher  <steven@gcc.gnu.org>
5411
5412         * regmove.c: Move all of pass_stack_adjustments from here...
5413         * combine-stack-adj.c: ...to this new file.
5414         * Makefile.in: Add rules for combine-stack-adj.o.
5415
5416 2007-03-30  Zdenek Dvorak  <dvorakz@suse.cz>
5417
5418         PR tree-optimization/31383
5419         * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
5420         to have the same length.
5421
5422 2007-03-30  Jan Hubicka  <jh@suse.cz>
5423
5424         PR middle-end/30700
5425         * dwarf2out.c (reference_to_unused): Ask cgraph for functions
5426         availablility; add more sanity checking; ask varpool only about
5427         VAR_DECL.
5428
5429 2007-03-29  Richard Henderson  <rth@redhat.com>
5430
5431         * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
5432         to decide, but __SIZEOF_LONG_LONG__.
5433
5434 2007-03-29  Richard Henderson  <rth@redhat.com>
5435
5436         * emutls.c (struct __emutls_array): New.
5437         (emutls_destroy): Use it instead of casting element 0 from void*.
5438         (__emutls_get_address): Likewise.
5439
5440 2007-03-29  Richard Henderson  <rth@redhat.com>
5441
5442         * varasm.c (initializer_constant_valid_p): Don't deny
5443         DECL_DLLIMPORT_P on functions.
5444
5445         * config/i386/cygming.h: Remove function declarations.
5446         (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
5447         (ASM_OUTPUT_LABELREF): Remove.
5448         (COMMON_ASM_OP): Remove.
5449         (ASM_OUTPUT_COMMON): Remove.
5450         (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
5451         (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
5452         (ASM_DECLARE_FUNCTION_NAME): Likewise.
5453         * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
5454         Rename from TARGET_ENCODE_SECTION_INFO.
5455         * config/i386/netware.h: Likewise.
5456         * config/i386/i386-protos.h: Update.
5457         * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
5458         of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
5459         (legitimate_constant_p): Reject dllimports.
5460         (dllimport_map, get_dllimport_decl): New.
5461         (legitimize_dllimport_symbol): New.
5462         (legitimize_address, ix86_expand_move): Use it.
5463         (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
5464         * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
5465         (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
5466         (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
5467         * config/i386/predicates.md (constant_call_address_operand): Only
5468         accept symbols; reject dllimport_p symbols.
5469         * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
5470         i386_pe_maybe_record_exported_symbol.
5471         * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
5472         (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
5473         (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
5474         trust the setting of DECL_DLLIMPORT_P.
5475         (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
5476         (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
5477         (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
5478         tidy the argument scanning loop.
5479         (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
5480         SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
5481         (i386_pe_strip_name_encoding): Remove.
5482         (i386_pe_binds_local_p): New.
5483         (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
5484         (i386_pe_output_labelref): Remove.
5485         (i386_pe_asm_output_aligned_decl_common): New.
5486         (i386_pe_maybe_record_exported_symbol): Rename from
5487         i386_pe_record_exported_symbol; check for dllexported symbols.
5488
5489 2007-03-29  Zack Weinberg  <zack@mrtock.ucsd.edu>
5490
5491         * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
5492         add comment explaining why vsnprintf cannot be used.
5493
5494 2007-03-29  Douglas Gregor  <doug.gregor@gmail.com>
5495
5496         PR tree-optimization/30666
5497         * tree.c (build_complex_type): When creating type names for DWARF2
5498         debug info, create TYPE_DECLs for TYPE_NAME instead of
5499         IDENTIFIER_NODEs.
5500         (build_common_tree_nodes_2): Use build_complex_type when building
5501         predefined complex types, to preserve canonical types.
5502
5503 2007-03-29  Steven Bosscher  <steven@gcc.gnu.org>
5504
5505         * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
5506         (noce_get_alt_condition): Look at it to determine whether to
5507         reverse the condition or not.
5508         (noce_get_condition): Substitute the truth for lies.
5509         (noce_find_if_block): Set the then_else_reversed field.
5510
5511 2007-03-29  Lars Poeschel <larsi@wh2.tu-dresden.de>
5512
5513         * config/fr30/fr30.md (movdi): Do not accept immediates as the
5514         destination of this insn.
5515         * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
5516         than calling gen_rtx_SET directly.  Use r0 to hold the value of
5517         'address + 4' rather than a stack based temporary which can be
5518         mis-optimized away.
5519
5520 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
5521
5522         * config/s390/s390.c (s390_secondary_input_reload_class,
5523         s390_secondary_output_reload_class): Functions removed.
5524         (s390_secondary_reload): New function.
5525         (TARGET_SECONDARY_RELOAD): Target macro defined.
5526         * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
5527         SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
5528         * config/s390/s390.md ("reload_outti", "reload_outdi",
5529         "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
5530         "reload_out<mode>"): Expanders removed.
5531         ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
5532         "reload<mode>_nonoffmem_out"): Expanders added.
5533
5534 2007-03-29  Andreas Krebbel  <krebbel1@de.ibm.com>
5535
5536         * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
5537         SRC->DEST replacement failed anyway.
5538
5539 2007-03-28  Mike Stump  <mrs@apple.com>
5540
5541         * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
5542         * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
5543         * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
5544
5545 2007-03-28  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
5546
5547         * config.gcc: Accept barcelona as a variant of amdfam10.
5548         * config/i386/i386.c (override_options): Likewise.
5549         * doc/invoke.texi: Likewise.
5550
5551 2007-03-28  Eric Botcazou  <ebotcazou@adacore.com>
5552
5553         * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
5554         offsets for BIT_FIELD_REF and COMPONENT_REF.
5555
5556 2007-03-28  Richard Guenther  <rguenther@suse.de>
5557
5558         * tree.c (is_global_var): Move ...
5559         * tree-flow-inline.h (is_global_var): ... here.
5560         * tree.h (is_global_var): Remove declaration.
5561
5562 2007-03-28  Uros Bizjak  <ubizjak@gmail.com>
5563
5564         * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
5565         option.
5566         (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
5567         * config/i386/i386.c (ix86_tune_features): Initialize new
5568         tuning option.
5569         * config/i386/predicates.md (promotable_binary_operator): Use
5570         TARGET_TUNE_PROMOTE_HIMODE_IMUL.
5571
5572 2007-03-28  Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
5573
5574         PR target/31380
5575         * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
5576
5577 2007-03-28  Lars Poeschel <larsi@wh2.tu-dresden.de>
5578
5579         * config/fr30/fr30.md (movsi_internal): Change destination
5580         constraint from m to V and add m to the end.
5581
5582 2007-03-28  Christian Bruel  <christian.bruel@st.com>
5583
5584         * config/sh/sh.md (movsi_i): Fix type attribute.
5585
5586 2007-03-28  Christian Bruel  <christian.bruel@st.com>
5587
5588         * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
5589         (movsf_ie): Likewise.
5590
5591 2007-03-28  Christian Bruel  <christian.bruel@st.com>
5592
5593         * config.gcc: Add sh4-300 to multilib.
5594         * config/sh/t-mlib-sh4-300: New file.
5595
5596 2007-03-28  Andreas Krebbel  <krebbel1@de.ibm.com>
5597
5598         * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
5599         ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
5600         fix_trunc<mode>di2.
5601         ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
5602         fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
5603         ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
5604         "fixuns_trunctddi2"): Whitespace fix.
5605
5606 2007-03-28  Kaz Kojima  <kkojima@gcc.gnu.org>
5607
5608         * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
5609         the definition of struct sh_args.
5610         (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
5611         CALL_COOKIE_INT_REG_GET): Likewise.
5612
5613 2007-03-28  Steven Bosscher  <steven@gcc.gnu.org>
5614
5615         * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
5616         transformations are applied successfully.
5617
5618 2007-03-27  Douglas Gregor  <doug.gregor@gmail.com>
5619
5620         * tree.c (tree_contains_struct): Permit 512 tree codes.
5621         * tree.h (tree_contains_struct): Ditto.
5622         (MAX_TREE_CODES): Ditto.
5623         (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
5624         SPARE member to store remaining padding bits.
5625
5626 2007-03-27  Anatoly Sokolov <aesok@post.ru>
5627
5628         * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
5629         architecture.
5630
5631 2007-03-27  Janis Johnson  <janis187@us.ibm.com>
5632
5633         * configure.ac: Fix assembler test for powerpc*-linux decimal float.
5634         * configure: Regenerate.
5635
5636         * configure: Regenerate using the correct version of autoconf.
5637
5638 2007-03-27  Anatoly Sokolov  <aesok@post.ru>
5639
5640         * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
5641         pointer regs.
5642         * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
5643         regs to "__SP_L__" and "__SP_H__".
5644
5645 2007-03-27  Richard Guenther  <rguenther@suse.de>
5646
5647         * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
5648         computations with it with a HOST_WIDE_INT variable.
5649
5650 2007-03-26  Mike Stump  <mrs@apple.com>
5651
5652         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
5653         objective-c-header, objective-c++-header and objc++-cpp-output
5654         support.
5655         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
5656
5657 2007-03-26  Richard Henderson  <rth@redhat.com>
5658
5659         PR target/31361
5660         * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
5661         IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
5662         IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
5663         IX86_BUILTIN_PSRLQ128): New.
5664         (ix86_init_mmx_sse_builtins): Add them.
5665         (ix86_expand_builtin): Expand them.
5666         * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
5667         operand 2 be TImode.
5668         * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
5669         _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
5670         _mm_srli_epi64): Mark __B const.
5671         (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
5672         (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
5673         _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
5674         new two-vector shift builtins.
5675
5676 2007-03-26  Ian Lance Taylor  <iant@google.com>
5677
5678         PR tree-optimization/31345
5679         * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
5680         [+INF, +INF(OVF)] into VARYING.
5681
5682 2007-03-26  Zack Weinberg  <zackw@panix.com>
5683
5684         * gengtype-parse.c: New file.
5685         * gengtype-yacc.y: Delete.
5686         * gengtype-lex.l: Don't include gengtype-yacc.h.
5687         Define YY_DECL and yyterminate appropriately for recursive
5688         descent parser.  yylval is now a string out-parameter to yylex.
5689         (HWS, EOID): New shorthand.
5690         (IWORD): Add a couple more types.
5691         (yylex): Add a setup stanza.  Remove the complex rules for
5692         detecting GTY'ed types and typedefs; replace with simple
5693         keyword detectors.  Adjust everything for the changed
5694         definition of yylval.  Ignore all pp-directives, not just #define.
5695         (yyerror): Delete.
5696         (parse_file): Rename yybegin; do not call yyparse.
5697         (yyend): New.
5698         * gengtype.c (xasprintf): Export again.
5699         (this_file): New.  Use everywhere __FILE__ was being used.
5700         (get_lang_bitmap): Special case types defined in gengtype.c.
5701         (do_typedef, new_structure): Suppress definition of certain types.
5702         (new_structure): Improve diagnostics of duplicate definitions.
5703         Make sure location_s is associated with input.h.
5704         (nreverse_pairs, define_location_structures): New functions.
5705         (main): Improve tagging of kludge types.  Remove old kludges
5706         for input.h types; use define_location_structures.
5707         * gengtype.h: Update prototypes.  Define token codes here.
5708         * Makefile.in: Remove all references to gengtype-yacc.
5709         Add rules for gengtype-parse.o.  Adjust rules for gengtype-lex.o
5710         and gengtype.
5711         * bitmap.h (struct bitmap_head_def): Coalesce definitions,
5712         add GTY((skip)) to the field that's only conditionally there.
5713         * doc/install.texi: Document that Bison is no longer required
5714         unless building treelang.
5715
5716         * gengtype.c: Don't include gtyp-gen.h.
5717         (srcdir): Declare here.
5718         (base_files, lang_dir_names): Allocate dynamically.
5719         (gt_files, num_gt_files, num_lang_dirs): New globals.
5720         (measure_input_list, read_input_line, read_input_list)
5721         (set_lang_bitmap): New functions.
5722         (get_base_file_bitmap): Rename get_lang_bitmap and drastically
5723         simplify, relying on read_input_list to set up the bitmaps.
5724         (main): Arguments are no longer unused.  Check for correct number
5725         of command line arguments, set srcdir and srcdir_len, then call
5726         read_input_list, before doing anything else.  No need to worry
5727         about duplicates in main loop.
5728         * configure.ac: Simplify the calculation of all_gtfiles.
5729         Put language tags in there.  Don't set or substitute
5730         all_gtfiles_files_langs or all_gtfiles_files_frags.
5731         * Makefile.in: Revamp the way gengtype is invoked, now that it
5732         takes a file on its command line with a much simpler format.
5733         Remove or replace with gtyp-input.list all references to gtyp-gen.h.
5734         (GTFILES): Remove duplicates and C source files.
5735         * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
5736         * objcp/config-lang.in: Add c-pragma.h to gtfiles.
5737         * configure: Regenerate.
5738
5739         * gengtype.h: Remove all type definitions to gengtype.c; leave
5740         only definitions of options_p, type_p, and pair_p as opaque
5741         pointers.  Update prototypes.
5742         * gengtype.c: Many type definitions moved here from gengtype.h.
5743         Consolidate type definitions at the top of the file.
5744         (xvasprintf): Delete.
5745         (xasprintf): Make static.
5746         (create_nested_pointer_option): Add 'next' parameter.
5747         (create_field_all, create_field_at): New functions.
5748         (create_field): Now a thin wrapper around create_field_all.
5749         (create_optional_field): Rename create_optional_field_ and add
5750         line argument.  Original name is now a macro which supplies
5751         __LINE__.
5752         (oprintf): Use vsnprintf directly.
5753         (close_output_files): Use fatal rather than perror/exit.
5754         (note_def_vec, note_def_vec_alloc): Use create_field_at.
5755         (main): Set progname.  Don't use exit.
5756         * gengtype-yacc.y (struct_fields): Use create_field_at.
5757         (option, optionseqopt): Delete.
5758         (optionseq): Consolidate productions from option here so we
5759         can use the first argument to create_option.
5760
5761         * gengtype-lex.l: Distinguish unions from structures in the
5762         token type.  Don't call find_structure; return the tag as a string.
5763         * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
5764         Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
5765         Reorganize typedef_struct production accordingly.
5766         Use create_nested_ptr_option.
5767         * gengtype.c (create_nested_ptr_option): New function.
5768         * gengtype.h: Declare it.
5769
5770         * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
5771         (string_type): Don't declare.
5772         (do_scalar_typedef): Declare.
5773         (create_scalar_type): Update prototype.
5774         * gengtype.c (string_type): Make static.
5775         (scalar_nonchar, scalar_char): New.
5776         (do_scalar_typedef): Export.  Always use scalar_nonchar for the type.
5777         (resolve_typedef): Use scalar_nonchar for error recovery.
5778         (create_scalar_type): Remove name_len field.  Return scalar_char
5779         or scalar_nonchar as appropriate.
5780         (adjust_field_type): Look at scalar_is_char boolean to decide whether
5781         to use string_type.
5782         (throughout): Use scalar_nonchar instead of calling create_scalar_type,
5783         whenever possible.
5784         (main): Initialize scalar_char and scalar_nonchar before calling
5785         gen_rtx_next.
5786         * gengtype-lex.l: Adjust for removal of second argument to
5787         create_scalar_type.  Use yylval.s instead of yylval.t when
5788         returning SCALAR.
5789         * gengtype-yacc.y: Type of SCALAR is string.  Call
5790         create_scalar_type from type:SCALAR rule.  Adjust for removal of
5791         second argument to create_scalar_type.
5792
5793         * vec.h: Remove all #if IN_GENGTYPE blocks.
5794         Add comment saying that changes may require adjustments to gengtype.
5795         * gengtype.c: Don't include coretypes.h or tm.h.
5796         Add comment to inclusion of errors.h.
5797         (note_def_vec, note_def_vec_alloc): New functions.
5798         * gengtype.h: Declare new functions.
5799         * gengtype-lex.l: Don't include coretypes.h.
5800         (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
5801         Delete.
5802         (update_lineno): Remove unnecessary prototype.
5803         (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
5804         (VEC rule): Just return VEC_TOKEN.
5805         * gengtype-yacc.y (VEC_TOKEN): New token type.
5806         (type): Add a production for VEC(a,b).
5807         * Makefile.in: Update dependencies.
5808
5809         * gengtype-lex.l: Remove rules for parsing pointer-to-function
5810         typedefs that use the old PARAMS macro.
5811
5812         * gengtype-lex.l: Remove all rules and states relating to yacc
5813         input files.
5814         * gengtype-yacc.y: Similarly.
5815         * gengtype.c (note_yacc_type): Delete function.
5816         * gengtype.h: Update prototypes.
5817
5818 2007-03-26  Joseph Myers  <joseph@codesourcery.com>
5819
5820         * tree-pretty-print.c (dump_generic_node): Report precision of
5821         unnamed integer types.
5822
5823 2007-03-26  Steven Bosscher  <steven@gcc.gnu.org>
5824
5825         * ifcvt.c (noce_try_store_flag_constants): Don't check
5826         no_new_pseudos here.
5827         (noce_try_store_flag_constants): Don't check no_new_pseudos.
5828         (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
5829         noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
5830         noce_try_sign_mask): Likewise.
5831         (if_convert): Check no_new_pseudos here.
5832
5833         (cond_exec_process_if_block, noce_process_if_block, find_if_block):
5834         Remove prototypes.
5835         (struct noce_if_info): Add then_bb, else_bb, join_bb members.
5836         (noce_get_condition): Handle new then_else_reversed argument.
5837         (noce_init_if_info): Remove, fold into noce_find_if_block.
5838         (noce_process_if_block): Take a struct noce_if_info as the
5839         argument.  Don't set up one based on ce_if_info.  Update pointer
5840         references accordingly.
5841         (cond_move_process_if_block): Likewise.
5842         (process_if_block): Removed.
5843         (find_if_block): Removed.  Move functionality two new functions,
5844         noce_find_if_block and cond_exec_find_if_block.
5845         (noce_find_if_block): New function.  Be aware of IF-THEN-JOIN
5846         blocks and the symmetric IF-ELSE-JOIN case.
5847         (cond_exec_find_if_block): Also new function mostly based on old
5848         find_if_block and process_if_block.
5849         (find_if_header): Replace find_if_block call with separately
5850         guarded calls to noce_find_if_block and cond_exec_find_if_block.
5851         (find_cond_trap): Update noce_get_condition call.
5852         (dead_or_predicable): Likewise.
5853
5854 2007-03-26  Jakub Jelinek  <jakub@redhat.com>
5855
5856         * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
5857         Remove.
5858         (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
5859         IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
5860         IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
5861         (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
5862         v4si_ftype_v4si_v2di.  Remove __builtin_ia32_psllw128,
5863         __builtin_ia32_pslld128, __builtin_ia32_psllq128,
5864         __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
5865         __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
5866         __builtin_ia32_psrad128 builtins.
5867
5868 2007-03-26  Uros Bizjak  <ubizjak@gmail.com>
5869
5870         * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
5871         * config/i386/constraints.md
5872         (define_constraint "I"): Use IN_RANGE macro.
5873         (define_constraint "J"): Ditto.
5874         (define_constraint "K"): Ditto.
5875         (define_constraint "M"): Ditto.
5876         (define_constraint "N"): Ditto.
5877         (define_constraint "O"): Ditto.
5878         * config/i386/predicates.md
5879         (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
5880         (define_predicate "const_0_to_3_operand"): Ditto.
5881         (define_predicate "const_0_to_7_operand"): Ditto.
5882         (define_predicate "const_0_to_15_operand"): Ditto.
5883         (define_predicate "const_0_to_63_operand"): Ditto.
5884         (define_predicate "const_0_to_255_operand"): Ditto.
5885         (define_predicate "const_1_to_31_operand"): Ditto.
5886         (define_predicate "const_2_to_3_operand"): Ditto.
5887         (define_predicate "const_4_to_7_operand"): Ditto.
5888
5889 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
5890
5891         * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
5892         in SImode for save_world.
5893         * config/rs6000/altivec.md (save_world, restore_world): Convert to
5894         LR hard reg.
5895
5896 2007-03-25  Dorit Nuzman  <dorit@il.ibm.com>
5897
5898         PR tree-optimization/30784
5899         * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
5900         BIT_FIELD_REF.
5901
5902 2007-03-25  Revital Eres  <eres@il.ibm.com>
5903
5904         * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
5905           Fold movement_possibility function into it.
5906
5907 2007-03-25  David Edelsohn  <edelsohn@gnu.org>
5908
5909         * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
5910         (load_macho_picbase_{si,di}): Convert to LR hard reg.
5911         (call_indirect_nonlocal_darwin64): Same.
5912         (call_nonlocal_darwin64): Same.
5913         (call_value_indirect_nonlocal_darwin64): Same.
5914         (call_value_nonlocal_darwin64): Same.
5915         (sibcall_nonlocal_darwin64): Same.
5916         (sibcall_value_nonlocal_darwin64): Same.
5917         (sibcall_symbolic_64): Same.
5918         (sibcall_value_symbolic_64): Same.
5919         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
5920         LR pseudo.
5921         (rs6000_emit_load_toc_table): Same.
5922         * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
5923         * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
5924         (mull_call): Same.
5925         (divss_call): Same.
5926         (divus_call): Same.
5927         (quoss_call): Same.
5928         (quous_call): Same.
5929         (load_toc_v4_pic_si): Same
5930         (load_toc_v4_PIC_1): Same.
5931         (load_toc_v4_PIC_1b): Same.
5932         (call_indirect_aix{32,64}): Same.
5933         (call_value_indirect_aix{32,64}): Same.
5934         (call): Same.
5935         (call_value): Same.
5936         (call_local{32,64}): Same.
5937         (call_value_local{32,64}): Same.
5938         (call_indirect_nonlocal_aix{32,64}): Same.
5939         (call_nonlocal_aix{32,64}): Same.
5940         (call_value_indirect_nonlocal_aix{32,64}): Same.
5941         (call_value_nonlocal_aix{32,64}): Same.
5942         (call_indirect_nonlocal_sysv<mode>): Same.
5943         (call_nonlocal_sysv<mode>): Same.
5944         (call_value_indirect_nonlocal_sysv<mode>): Same.
5945         (call_value_nonlocal_sysv<mode>): Same.
5946         (sibcall): Same.
5947         (sibcall_local{32,64}): Same.
5948         (sibcall_value_local{32,64}): Same.
5949         (sibcall_nonlocal_aix{32,64}): Same.
5950         (sibcall_value_nonlocal_aix{32,64}): Same.
5951         (sibcall_nonlocal_sysv<mode>): Same.
5952         (sibcall_value): Same.
5953         (sibcall_value_nonlocal_sysv<mode>): Same.
5954
5955 2007-03-24  Paul Brook  <paul@codesourcery.com>
5956
5957         * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
5958         * config/arm/linux-eabi.h: Remove legacy syscall hack.
5959
5960 2007-03-24  Richard Henderson  <rth@redhat.com>
5961
5962         * config/ia64/constraints.md: New file.
5963         * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
5964         satisfies_constraint_?.
5965         * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
5966         ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
5967         ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
5968         ia64_output_mi_thunk): Likewise.
5969         (ia64_const_ok_for_letter_p): Remove.
5970         (ia64_const_double_ok_for_letter_p): Remove.
5971         (ia64_extra_constraint): Remove.
5972         * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
5973         (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
5974         CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
5975         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
5976         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
5977         EXTRA_MEMORY_CONSTRAINT): Remove.
5978         * config/ia64/ia64.md: Include constriants.md.  Replace
5979         CONST_OK_FOR_? with satisfies_constraint_?.
5980
5981 2007-03-23  Michael Meissner  <michael.meissner@amd.com>
5982             H.J. Lu  <hongjiu.lu@intel.com>
5983
5984         * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
5985         DPD or BID name.
5986         (name macros): Use DPD_BID_NAME to convert names properly.
5987
5988         * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
5989         decimal floating point format.
5990         (init_floating_libfuncs): Change decimal functions so that they
5991         have a "bid_" prefix if the decimal system uses the BID format,
5992         and "dpd_" prefix if the decimal system uses the DPD format.
5993         (init_interclass_conv_libfuncs): Ditto.
5994         (init_intraclass_conv_libfuncs): Ditto.
5995
5996         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
5997         using the BID format.
5998
5999         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
6000         whether we are using the BID decimal format.
6001         * configure: Regenerate.
6002
6003         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
6004         the compiler has decimal floating point enabled.  Define
6005         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
6006         instead of DPD.
6007
6008         * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
6009         using the BID format.
6010
6011         * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
6012         whether we are using the BID decimal format.
6013         * configure: Regenerate.
6014
6015         * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
6016         the compiler has decimal floating point enabled.  Define
6017         __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
6018         instead of DPD.
6019
6020         * doc/install.texi (--enable-decimal-float): Document BID and DPD
6021         options, and that it is enabled for i386/x86_64 systems.
6022
6023         * Makefile.in (enable_decimal_float): New.
6024         (DECNUMFMT): New.
6025         (DECNUMINC): Add  -I$(DECNUMFMT).
6026         (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
6027         to $(DECNUMFMT) from $(DECNUM).
6028
6029         * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
6030         Substitute enable_decimal_float.
6031         * configure: Regenerated.
6032
6033         PR other/30529
6034         * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
6035         unsigned long.
6036
6037         * configure.ac: Enable decimal float for x86_64-*-linux*.
6038         * configure: Regenerated.
6039
6040         PR other/30530
6041         * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
6042         decimal128ClearSign to flip and clear the sign bit in decimal128.
6043         (decimal_real_maxval): Set decimal128SetSign to set the sign
6044         bit in decimal128.
6045
6046 2007-03-23  Ian Lance Taylor  <iant@google.com>
6047
6048         * fold-const.c (fold_binary): Correct warning for X - c >= X.
6049
6050 2007-03-23  Ian Lance Taylor  <iant@google.com>
6051
6052         * tree-dump.c (dump_files): Correct comment.
6053
6054 2007-03-23  Ian Lance Taylor  <iant@google.com>
6055
6056         * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
6057
6058 2007-03-23  Steven Bosscher  <steven@gcc.gnu.org>
6059
6060         * tracer.c (tracer): Don't take FLAGS argument.  Assert we are
6061         in cfglayout mode.  Don't go into and out of cfglayout mode.
6062         Link the blocks in the order of the constructed traces.
6063         (rest_of_handle_tracer): Adjust call to tracer.
6064         * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
6065         Don't go into cfglayout mode.
6066         (rtl_loop_done): Don't go out of cfglayout mode.
6067         * cfglayout.c (relink_block_chain): New function, split out from...
6068         (fixup_reorder_chain): ...here.  Remove redundant checking.
6069         (cfg_layout_finalize): Don't clear the header, footer, and aux
6070         fields here, move the code to do so to relink_block_chain.  Likewise
6071         for free_original_copy_tables.
6072         * rtl.h (tracer): Update prototype.
6073         * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
6074         Assert we are in cfglayout mode.  Don't go into and out of cfglayout
6075         mode.  Use relink_block_chain to serialize the CFG according to the
6076         new basic block order.  Move targetm.cannot_modify_jumps_p check from
6077         here...
6078         (gate_handle_reorder_blocks): ...to here.
6079         (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
6080         from here...
6081         (gate_duplicate_computed_gotos): ...to here.
6082         (rest_of_handle_reorder_blocks): Don't see if anything has changed,
6083         something always changes when going into and out of cfglayout mode.
6084         Perform an expensive cfg cleanup while going into cfglayout mode.
6085         Always update liveness information on HAVE_conditional_execution
6086         targets.  Reserialize the basic blocks and go out of cfglayout mode.
6087         * reg-stack.c: Include cfglayout.h.
6088         (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
6089         the call to reorder_basic_blocks.
6090         * basic-block.h (reorder_basic_blocks): Update prototype.
6091         (relink_block_chain): New prototype.
6092         * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
6093
6094 2007-03-23  Joseph Myers  <joseph@codesourcery.com>
6095
6096         * config/mips/mips.md (type, hazard, *movdi_32bit,
6097         *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
6098         *movhi_internal, *movqi_internal, *movsf_hardfloat,
6099         *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
6100         movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
6101         mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
6102         applicable.
6103         (movcc): Change first xfer to multi.
6104         * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
6105         config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
6106         config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
6107         config/mips/generic.md: Change reservations using "xfer" to use
6108         "mfc,mtc".
6109         * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
6110         using match_operand.
6111         (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
6112         * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
6113         examining mode.
6114         (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
6115
6116 2007-03-22  Richard Henderson  <rth@redhat.com>
6117
6118         * config/i386/i386.c: Remove unnecessary function declarations.
6119         Move targetm definition, and all related macros, to the end of
6120         the file.  Resort some functions to put definitions before uses.
6121         (ix86_attribute_table): Make static.  Move to end of file.
6122         (ix86_gimplify_va_arg): Make static.
6123
6124 2007-03-22  Richard Henderson  <rth@redhat.com>
6125
6126         * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
6127         don't increase local_regparm with force_align_arg_pointer check.
6128         (ix86_function_sseregparm): Assert 32-bit.
6129         (type_has_variadic_args_p): New.
6130         (ix86_return_pops_args): Early exit for 64-bit.  Reindent; use
6131         type_has_variadic_args_p.
6132         (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
6133         (init_cumulative_args): Remove TARGET_DEBUG_ARG.  Remove zero_cum;
6134         use memset instead.  Do maybe_vaarg check first; skip attribute
6135         tests if true; skip attribute tests for 64-bit.
6136         (construct_container): Remove TARGET_DEBUG_ARG.
6137         (function_arg_advance_32, function_arg_advance_64): Split out ...
6138         (function_arg_advance): ... from here.
6139         (function_arg_32, function_arg_64): Split out ...
6140         (function_arg): ... from here.
6141         (ix86_pass_by_reference): Tidy.
6142         (ix86_function_value_regno_p): Rearrange w/ switch on regno.
6143         (function_value_32): New, from parts of ix86_function_value
6144         and ix86_value_regno.
6145         (function_value_64): New, from parts of ix86_function_value
6146         and ix86_libcall_value.
6147         (ix86_function_value_1): New.
6148         (ix86_function_value, ix86_libcall_value): Use it.
6149         (return_in_memory_32, return_in_memory_64): Split out ...
6150         (ix86_return_in_memory): ... from here.
6151         (ix86_struct_value_rtx): Skip for 64-bit.
6152         (ix86_libcall_value, ix86_value_regno): Remove.
6153         (setup_incoming_varargs_64): Split out ...
6154         (ix86_setup_incoming_varargs): ... from here.
6155         (ix86_va_start): Remove TARGET_DEBUG_ARG.
6156         (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
6157         * config/i386/i386-protos.h (ix86_function_value): Remove.
6158         * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
6159
6160 2007-03-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6161
6162         PR other/23572
6163         * c-lex.c (interpret_float): On overflow, emit pedantic warning if
6164         infinities not supported, otherwise emit warning if -Woverflow. On
6165         underflow, emit warning if -Woverflow.
6166         * real.c (real_from_string): Return -1 if underflow, +1 if overflow
6167         and 0 otherwise.
6168         * real.h (real_from_string): Update declaration
6169
6170 2007-03-22  Kai Tietz  <kai.tietz@onevision.com>
6171             Richard Henderson  <rth@redhat.com>
6172
6173         * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
6174         * calls.c (compute_argument_block_size, expand_call,
6175         emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
6176         * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
6177         * function.c (STACK_DYNAMIC_OFFSET): Likewise.
6178         * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
6179         * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
6180         config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
6181         config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
6182         config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
6183         Set to 1.
6184
6185 2007-03-22  Joseph Myers  <joseph@codesourcery.com>
6186
6187         * c-incpath.c (add_sysroot_to_chain): New.
6188         (merge_include_chains): Add sysroot argument.  Call
6189         add_sysroot_to_chain if sysrooted.
6190         (register_include_chains): Update call to merge_include_chains.
6191         * doc/cppopts.texi: Document use of '=' in include directory
6192         arguments.
6193
6194 2007-03-22  Uros Bizjak  <ubizjak@gmail.com>
6195
6196         * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
6197         Macroize expander using SSEMODEF mode macro.  Use SSE_FLOAT_MODE_P.
6198         (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
6199         insn pattern using X87MODEF12 mode macro.
6200
6201 2007-03-21  Seongbae Park <seongbae.park@gmail.com>
6202
6203         * regmove.c (regmove_optimize): Use reg_mentioned_p
6204         instead of reg_overlap_mentioned_p for DST.
6205
6206 2007-03-21  Mike Stump  <mrs@apple.com>
6207
6208         * c.opt: Fixup for Objective-C/C++.
6209
6210 2007-03-21  Steve Ellcey  <sje@cup.hp.com>
6211
6212         * explow.c (convert_memory_address): Fold memory reference when
6213         POINTERS_EXTEND_UNSIGNED < 0
6214
6215 2007-03-21  Richard Henderson  <rth@redhat.com>
6216
6217         PR target/31245
6218         * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
6219         * config/i386/mmintrin.h (__m64): Likewise.
6220         * config/i386/xmmintrin.h (__m128): Likewise.
6221
6222 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
6223
6224         * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
6225         (VXWORKS_OS_CPP_BUILTINS): Define.
6226         * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
6227         (TARGET_OS_CPP_BUILTINS): ...here.  Use VXWORKS_OS_CPP_BUILTINS.
6228
6229 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
6230
6231         * rtl.h (constant_pool_reference_p): Delete.
6232         (find_constant_src): Declare.
6233         * rtlanal.c (find_constant_src): New function.
6234         * simplify-rtx.c (constant_pool_reference_p): Delete.
6235         * config/i386/i386.md: Use find_constant_src instead of
6236         constant_pool_reference_p/avoid_constant_pool_reference pairs.
6237
6238 2007-03-21  Richard Sandiford  <richard@codesourcery.com>
6239
6240         * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
6241         * c-cppbuiltin.c (c_cpp_builtins): Define them.
6242
6243 2007-03-20  Mark Mitchell  <mark@codesourcery.com>
6244
6245         * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
6246         * config/arm/arm.c (arm_elf_asm_cdtor): New function.
6247         (arm_elf_asm_constructor): Use it.
6248         (arm_elf_asm_destructor): New function.
6249
6250 2007-03-20  Bernd Schmidt  <bernd.schmidt@analog.com>
6251
6252         * jump.c (mark_jump_label): Treat SEQUENCE specially.
6253
6254 2007-03-20  Nathan Sidwell  <nathan@codesourcery.com>
6255
6256         * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
6257
6258 2007-03-19  Andrew Haley  <aph@redhat.com>
6259
6260         PR tree-optimization/31264
6261         * tree-vrp.c (register_edge_assert_for_1): Don't look though
6262         VIEW_CONVERT_EXPRs.
6263
6264 2007-03-19  Paolo Bonzini  <bonzini@gnu.org>
6265
6266         PR rtl-optimization/30907
6267         * fwprop.c (forward_propagate_into): Never propagate inside a loop.
6268         (fwprop_init): Always call loop_optimizer_initialize.
6269         (fwprop_done): Always call loop_optimizer_finalize.
6270         (fwprop): We always have loop info now.
6271         (gate_fwprop_addr): Remove.
6272         (pass_fwprop_addr): Use gate_fwprop as gate.
6273
6274         PR rtl-optimization/30841
6275         * df-problems.c (df_ru_local_compute, df_rd_local_compute,
6276         df_chain_alloc): Call df_reorganize_refs unconditionally.
6277         * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
6278         refs_organized to refs_organized_size.
6279         (df_ref_create_structure): Use refs_organized_size instead of
6280         bitmap_size if refs had been organized, and keep refs_organized_size
6281         up-to-date.
6282         * df.h (struct df_ref_info): Change refs_organized to
6283         refs_organized_size.
6284         (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
6285         bitmap_size.
6286
6287 2007-03-19  Mark Mitchell  <mark@codesourcery.com>
6288
6289         * except.c (output_function_exception_table): Do not reference the
6290         EH personality routine for functions that do not require an
6291         exception table.
6292
6293 2007-03-20  Jakub Jelinek  <jakub@redhat.com>
6294
6295         PR c/30762
6296         * c-typeck.c (convert_for_assignment): Call comptypes for
6297         RECORD_TYPE or UNION_TYPE.
6298
6299         PR inline-asm/30505
6300         * reload1.c (reload): Do invalid ASM checking after
6301         cleanup_subreg_operands.
6302
6303 2007-03-19  Jeff Law  <law@redhat.com>
6304
6305         * tree-cfg.c (find_taken_edge): Tighten conditions for
6306         optimizing computed gotos.
6307
6308 2007-03-19  Michael Matz  <matz@suse.de>
6309
6310         * builtins.c (expand_builtin_sync_operation,
6311         expand_builtin_compare_and_swap,
6312         expand_builtin_lock_test_and_set): Care for extending CONST_INTs
6313         correctly.
6314
6315         * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
6316         sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
6317         for operand 3.
6318
6319 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6320
6321         * doc/tm.texi: Add brackets around the return type of
6322         TARGET_SECONDARY_RELOAD.
6323
6324 2007-03-19  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6325         Richard Guenther  <rguenther@suse.de>
6326
6327         PR tree-optimization/31254
6328         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
6329         Use handled_component_p () where appropriate.  Continue
6330         propagating into the rhs if we propagated into an INDIRECT_REF
6331         on the lhs.
6332
6333 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6334
6335         * config/s390/s390.md (op_type attribute): RRR instruction type added.
6336         (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
6337         (xde, xdee): Mode attributes adjusted to support DFP modes.
6338         (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
6339         ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
6340         DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
6341         "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
6342         "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
6343         "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
6344         "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
6345         numbers.
6346         ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
6347         "movsf"): Insn definitions removed.
6348         ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
6349         "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
6350         "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
6351         definitions added.
6352         ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
6353         "reload_in<mode>", "reload_out<mode>"): Expander added.
6354         ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
6355         Expander removed.
6356
6357 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6358
6359         * config/s390/s390.md: Only non-functional changes.  Renamed
6360         FPR mode macro to BFP all over the file.
6361
6362 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6363
6364         * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
6365         (op_type attribute): RRF instruction type added.
6366         (fT0): New mode attribute.
6367         ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
6368         "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
6369         * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
6370         no secondary memory is needed when moving DFmode values between GPRs
6371         and FPRs.
6372
6373 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6374
6375         * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
6376         inverted and documentation adjusted.
6377         ("mhard-dfp", "msoft-dfp"): New options.
6378         * config/s390/s390.c (s390_handle_arch_option): New architecture
6379         switch: z9-ec.
6380         (override_options): Sanity checks for the new options added.
6381         * config.gcc: New architecture switch: z9-ec.
6382         * config/s390/s390.h (processor_flags): PF_DFP added.
6383         (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
6384         (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
6385         when the bit is NOT set so remove it from the defaults.
6386
6387 2007-03-19  Andreas Krebbel  <krebbel1@de.ibm.com>
6388
6389         * genemit.c (main): Print include statement for dfp.h.
6390         * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
6391         is not available.
6392
6393 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
6394
6395         * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
6396
6397 2007-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>
6398
6399         PR target/31022
6400         * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
6401         instead of PATTERN.
6402
6403 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6404
6405         * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
6406         attr_length_call, output_call, output_indirect_call): Cleanup
6407         formatting of targetm calls.
6408
6409 2007-03-19  Hans-Peter Nilsson  <hp@axis.com>
6410
6411         * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
6412
6413 2007-03-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6414
6415         * pa.md: Add fpstore_load and store_fpload instruction types.  Provide
6416         reservation, bypass and anti-bypass descriptions for these instructions.
6417         Update move patterns.
6418         * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
6419         TYPE_FPSTORE.
6420
6421 2007-03-18  Dorit Nuzman  <dorit@il.ibm.com>
6422
6423         * tree-vect-transform.c (get_initial_def_for_induction): Replace
6424         GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
6425         (get_initial_def_for_reduction): Likewise.
6426
6427 2007-03-16  Daniel Berlin  <dberlin@dberlin.org>
6428
6429         Fix PR tree-optimization/29922
6430         * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
6431         (get_representative): Removed.
6432         (value_dies_in_block_x): Update for rvuse removal.
6433         (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
6434         (compute_antic_aux): Handle when PHI nodes appear in
6435         non-single-successors.
6436         (dump_bitmap_of_names): Removed.
6437         (compute_antic_safe): Renamed and removed rvuse calculation.
6438         Calculate only antic safe.
6439         (insert_into_preds_of_block): Remove assert.
6440         (execute_pre): Update for renamed functions.
6441         (defer_or_phi_translate_block): New function.
6442
6443 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
6444
6445         * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
6446         config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
6447         typos.
6448         * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
6449         Follow spelling conventions.
6450
6451         * tree-data-ref.h: Remove the prototype for analyze_array.
6452
6453 2007-03-17  Dorit Nuzman  <dorit@il.ibm.com>
6454
6455         PR tree-optimization/31041
6456         * tree-vect-transform.c (get_initial_def_for_induction): Call
6457         force_gimple_operand.
6458
6459 2007-03-17  Olga Golovanevsky  <olga@il.ibm.com>
6460
6461         * ipa-type-escape.c (look_for_casts) : Revert code to use
6462         handled_component_p due to ada test a-numaux.adb.
6463
6464 2007-03-17  Kazu Hirata  <kazu@codesourcery.com>
6465
6466         * final.c (final_scan_insn): Alter the condition of a
6467         conditional trap if we have nonstandard CC.
6468
6469 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
6470
6471         * configure.ac: Remove excess quoting from asm line 0 test.
6472         * configure: Rebuilt.
6473
6474 2007-03-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6475
6476         * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
6477         * c-common.c (convert_and_check): Move warning logic to...
6478         (warnings_for_convert_and_check): ...here. Define.
6479         * c-common.h (warnings_for_convert_and_check): Declare.
6480
6481 2007-03-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6482
6483         * pa.c (attr_length_call): Partially revert change of 2007-03-09.
6484         (output_call): Likewise.
6485
6486 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
6487
6488         * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
6489
6490 2007-03-16  Richard Sandiford  <richard@codesourcery.com>
6491
6492         * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
6493
6494 2007-03-16  Uros Bizjak  <ubizjak@gmail.com>
6495
6496         * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
6497         opteron, athlon-64 and athlon-fx processor_alias_table entries.
6498
6499 2007-03-16  Sebastian Pop  <sebastian.pop@inria.fr>
6500
6501         PR tree-optimization/31183
6502         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
6503         Use double_int instead of unsigned int for representing access_strides.
6504         * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
6505
6506 2007-03-16  Richard Guenther  <rguenther@suse.de>
6507
6508         PR tree-optimization/31146
6509         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
6510         to allow recursion of forward_propagate_addr_expr.
6511         (forward_propagate_addr_into_variable_array_index): Likewise.
6512         (forward_propagate_addr_expr): Likewise.
6513         (tree_ssa_forward_propagate_single_use_vars): Likewise.
6514         (forward_propagate_addr_expr_1): Recurse on simple copies
6515         instead of propagating into them.  Do so for useless conversions
6516         as well.
6517         (forward_propagate_addr_expr): Clean up unused statements after
6518         recursion.
6519
6520 2007-03-16  Richard Guenther  <rguenther@suse.de>
6521
6522         * builtins.c (expand_builtin_cexpi): Use the right argument
6523         for the expansion via cexp.
6524
6525 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
6526
6527         * configure.ac: Don't require ELF binutils to tolerate # 0 "".
6528         * configure: Rebuilt.
6529
6530 2007-03-16  Alexandre Oliva  <aoliva@redhat.com>
6531
6532         PR debug/29906
6533         * dwarf2out.c (force_type_die): Adjust comment.
6534         (dwarf2out_imported_module_or_decl): Handle base AT_import types.
6535
6536 2007-03-15  DJ Delorie  <dj@redhat.com>
6537
6538         * config/frv/predicates.md (minmax_operator): Don't check operands
6539         here.
6540
6541 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
6542
6543         * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
6544         Update constant estimates of number of iterations.
6545         (record_nonwrapping_iv): Add "upper" argument.  "data_size_bounds_p"
6546         argument renamed to "realistic".
6547         (compute_estimated_nb_iterations): Removed.
6548         (record_niter_bound): New function.
6549         (idx_infer_loop_bounds): For possible but unlikely tail arrays,
6550         call record_nonwrapping_iv with upper = false.
6551         (infer_loop_bounds_from_signedness): Pass upper argument to
6552         record_nonwrapping_iv.
6553         (estimate_numbers_of_iterations_loop): Do not call
6554         compute_estimated_nb_iterations.  Record estimate based on profile
6555         information.  Initialize the constant estimates of number of
6556         iterations.
6557         * tree-data-ref.c (estimated_loop_iterations): Return the recorded
6558         estimates.
6559         * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
6560         number of iterations is too small.
6561         * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
6562         (EST_NOT_AVAILABLE): Removed.
6563         (struct loop): Replace estimated_nb_iterations by any_upper_bound,
6564         nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
6565         fields.
6566
6567 2007-03-15  Zdenek Dvorak  <dvorakz@suse.cz>
6568
6569         * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
6570         Handle NE_EXPR guards.
6571
6572 2007-03-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6573
6574         PR c++/24924
6575         * c-opts.c (c_common_post_options): Handle C++ post-processing here.
6576         Set also -pedantic-errors by default for the  preprocessor unless
6577         -fpermissive is given.
6578
6579 2007-03-15  Richard Guenther  <rguenther@suse.de>
6580
6581         PR middle-end/29719
6582         PR middle-end/31161
6583         * builtins.c (expand_builtin_cexpi): As a fallback if we
6584         don't have builtins for sincos or cexp create a function
6585         declaration for cexp and expand to a call to that.
6586         (expand_builtin_int_roundingfn): Always fall
6587         back to floor/ceil and its variants even if they may be
6588         not available.
6589
6590 2007-03-15  Steven Bosscher  <steven@gcc.gnu.org>
6591
6592         PR middle-end/31159
6593         * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
6594         jump tables, move the call to delete_dead_jumptables from here...
6595         (cfg_layout_finalize): ...to here.  But rebuild jump labels first.
6596         * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
6597         don't allow merging of blocks that try_redirect_by_replacing_jump
6598         also does not handle when not optimizing.
6599
6600 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
6601             Francois-Xavier Coudert  <coudert@clipper.ens.fr>
6602
6603         * config/i386/i386.md (x86_sahf_1): Correctly handle
6604         HAVE_AS_IX86_SAHF.
6605
6606 2007-03-15  Uros Bizjak  <ubizjak@gmail.com>
6607
6608         PR target/31167
6609         * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
6610         x86_64_general_operand as operand[2] predicate.  Remove "iF"
6611         from operand constraints and use "e" constraint instead.
6612         (*subti3_1, *subti3_1 splitter): Ditto.
6613         (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
6614         operand[1] predicate.
6615
6616 2007-03-14  Sebastian Pop  <sebastian.pop@inria.fr>
6617
6618         * tree-loop-linear.c (gather_interchange_stats): For multidimensional
6619         arrays, multiply the access strides by the size of the sub-array.
6620         * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
6621
6622 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
6623
6624         * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
6625         the configured assembler supports the sahf mnemonic.
6626         * configure: Regenerate.
6627         * config.in: Regenerate.
6628
6629         * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
6630         emit "sahf" or ".byte\t0x9e" as asm template.
6631
6632 2007-03-14  Michael Meissner  <michael.meissner@amd.com>
6633
6634         PR 31018
6635         * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
6636         option to replace hard coded TARGET_xxx in md file.
6637         (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
6638         (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
6639         (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
6640         (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
6641         (X86_TUNE_NOT_UNPAIRABLE): Ditto.
6642         (X86_TUNE_NOT_VECTORMODE): Ditto.
6643         (TUNE_SHORTEN_X87_SSE): Use new tuning option.
6644         (TUNE_AVOID_VECTOR_DECODE): Ditto.
6645         (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
6646         (TUNE_SLOW_IMUL_IMM8): Ditto.
6647         (TUNE_MOVE_M1_VIA_OR): Ditto.
6648         (TUNE_NOT_UNPAIRABLE): Ditto.
6649         (TUNE_NOT_VECTORMODE): Ditto.
6650
6651         * config/i386/i386.c (ix86_tune_features): Fill in new tuning
6652         options.
6653
6654         * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
6655         tuning options instead of hard coded TARGET_xxx.
6656         (fix ssemode peephole2's): Ditto.
6657         (imul peephole2's): Ditto.
6658         (movsi_or): Ditto.
6659         (movdi_or_rex64): Ditto.
6660         (move peephole2): Ditto.
6661         (not peephole2's): Ditto.
6662
6663 2007-03-14  Dirk Mueller  <dmueller@suse.de>
6664
6665         * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
6666         * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
6667         * c-parser.c (c_parser_if_body): Always add an empty statement in case
6668         of empty body.
6669         * c-parser.c (c_parser_do_statement): Warn about empty body in
6670         do/while statement.
6671         * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
6672         * doc/invoke.texi (-Wempty-body): Update documentation.
6673
6674 2007-03-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6675
6676         PR c/21438
6677         * c-common.h (warn_for_div_by_zero): Declare.
6678         * c-common.c (warn_for_div_by_zero): Define.
6679         * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
6680         warning.
6681
6682 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
6683
6684         * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
6685         to PREFIX and STANDARD_PREFIX.
6686
6687 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
6688             Phil Edwards  <phil@codesourcery.com>
6689
6690         * gthr-vxworks.h: Add an extern "C" wrapper for C++.
6691         (__gthread_once_t): Remove busy field for RTPs.
6692         (__GTHREAD_ONCE_INIT): Update accordingly.
6693
6694 2007-03-14  Richard Sandiford  <richard@codesourcery.com>
6695
6696         * doc/invoke.texi: Document VxWorks options.
6697
6698 2007-03-14  Uros Bizjak  <ubizjak@gmail.com>
6699
6700         * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
6701
6702 2007-03-13  Seongbae Park <seongbae.park@gmail.com>
6703
6704         PR tree-optimization/30590
6705         * tree-nrv.c (tree_nrv): Check for the partial update of the
6706         return value.
6707
6708 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
6709
6710         * flags.h (flag_random_seed): Remove declaration, in favor of...
6711         * toplev.h (get_random_seed, set_random_seed): ... these.
6712         * tree.c (get_file_function_name): Use the former.
6713         * opts.c (common_handle_option): Use the latter.
6714         * toplev.c
6715
6716 2007-03-13  Steven Bosscher  <steven@gcc.gnu.org>
6717
6718         PR middle-end/31127
6719         * cse.c (cse_find_path): Do not bail out if a basic block that
6720         we already visited now becomes part of a path that starts at a
6721         different basic block.  Just disallow this, to make sure we
6722         visit each basic block at most once.
6723
6724 2007-03-13  Jan Hubicka  <jh@suse.cz>
6725
6726         * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
6727         when profile esitmate is present, calls with very low frequency are
6728         cold.
6729
6730 2007-03-13  Zdenek Dvorak  <dvorakz@suse.cz>
6731
6732         PR tree-optimization/30730
6733         PR tree-optimization/26900
6734         * tree-ssa-loop-niter.c: Include gmp.h.
6735         (bounds): New type.
6736         (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
6737         split_to_var_and_offset, determine_value_range,
6738         bound_difference_of_offsetted_base, refine_bounds_using_guard,
6739         bound_difference, bounds_add, bounds_negate,
6740         number_of_iterations_ne_max, dump_affine_iv): New functions.
6741         (number_of_iterations_ne, number_of_iterations_lt_to_ne,
6742         assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
6743         difference of initial and final value of control iv to validate
6744         results.
6745         (number_of_iterations_cond): Add loop parameter.  Determine bounds
6746         on the difference of the extremes of the control iv.  Add dumps.
6747         (expand_simple_operations): Handle phi nodes.
6748         (simplify_using_initial_conditions): Do not record used conditions.
6749         (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
6750         Do not set additional_info.
6751         (implies_nonnegative_p, implies_ge_p): Removed.
6752         (derive_constant_upper_bound): Do not use parameter `additional'.
6753         (record_estimate): Parameter `additional' removed.  Parameter
6754         `i_bound' added.  Do not call derive_constant_upper_bound.
6755         (record_nonwrapping_iv): Use derive_constant_upper_bound to
6756         bound the number of iterations estimate.
6757         (estimate_numbers_of_iterations_loop): Pass the estimate from
6758         the number of iterations analysis to record_estimate.
6759         * tree.h (multiple_of_p): Declare.
6760         * tree-scalar-evolution.c (expression_expensive_p): Removed.
6761         (scev_const_prop): Do not check expression_expensive_p.
6762         * fold-const.c (multiple_of_p): Exported.
6763         * double-int.c (double_int_mask): Exported.
6764         * double-int.h (double_int_mask): Declare.
6765         * tree-flow.h (struct tree_niter_desc): Removed additional_info
6766         field.  Added max field.
6767
6768 2007-03-13  David Taylor  <taylor@candd.org>
6769
6770         PR driver/12448:
6771         * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
6772         default -MQ.
6773
6774 2007-03-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6775
6776         PR target/31123
6777         * pa.md (vdepi_ior): Don't allow zero length deposit.  Likewise for
6778         two unamed patterns.
6779
6780 2007-03-13  Uros Bizjak  <ubizjak@gmail.com>
6781
6782         * config/i386/i386.opt (mcx16, msahf): New options.
6783         * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
6784         (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
6785
6786         * config/i386/driver-i386.c (bit_LAHF_LM): New define.
6787         (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
6788         Output -mcx16 and -msahf options when corresponding bit is set.
6789
6790         * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
6791         and -msahf options.
6792
6793 2007-03-13  Alexandre Oliva  <aoliva@redhat.com>
6794
6795         * configure.ac: Test for assembler tolerance to # 0 "".
6796         * configure, config.in: Rebuilt.
6797         * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
6798
6799 2007-03-13  Geoffrey Keating  <geoffk@apple.com>
6800
6801         * doc/invoke.texi (Spec Files): Update for '%{,' spec.
6802
6803         * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
6804         (handle_syscall): Handle direct system calls.
6805         * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
6806
6807 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
6808
6809         * doc/invoke.texi: Fix cpp.info cross-reference.
6810         * doc/passes.texi: Fix gcc.info cross-reference.
6811
6812 2007-03-12  Zdenek Dvorak  <dvorakz@suse.cz>
6813
6814         PR tree-optimization/30835
6815         * lambda-code.c (can_convert_to_perfect_nest): Check whether
6816         bb_for_stmt is not NULL before accessing it.
6817
6818 2007-03-12  Joseph Myers  <joseph@codesourcery.com>
6819
6820         * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
6821         some multilibs.
6822
6823 2007-03-12  Brooks Moses  <brooks.moses@codesourcery.com>
6824
6825         PR 30635
6826         * doc/install.texi: Document --enable-stage1-languages
6827
6828 2007-03-12  Steven Bosscher  <steven@gcc.gnu.org>
6829
6830         * tree-pass.h (pass_into_cfg_layout_mode,
6831         pass_outof_cfg_layout_mode): Declare.
6832         * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
6833         pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
6834         * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
6835         (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
6836
6837 2007-03-12  Seongbae Park <seongbae.park@gmail.com>
6838
6839         * c-decl.c (warn_variable_length_array): New function.
6840         Refactored from grokdeclarator to handle warn_vla
6841         and handle unnamed array case.
6842         (grokdeclarator): Refactored VLA warning case.
6843         * c.opt (Wvla): New flag.
6844         * doc/invoke.texi (Wvla): New warning.
6845
6846 2007-03-12  Richard Henderson  <rth@redhat.com>
6847
6848         * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
6849         (TARGET_SECTION_TYPE_FLAGS): New.
6850
6851 2007-03-12  Richard Henderson  <rth@redhat.com>
6852
6853         * config/darwin.c (machopic_reloc_rw_mask): New.
6854         * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
6855         * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
6856
6857 2007-03-12  Mark Mitchell  <mark@codesourcery.com>
6858
6859         * cppdefault.c (cpp_EXEC_PREFIX): New variable.
6860         * cppdefault.h (cpp_PREFIX): Document.
6861         (cpp_PREFIX_len): Likewise.
6862         (cpp_EXEC_PREFIX): New variable.
6863         * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
6864         * c-incpath.c (add_standard_paths): Correct logic for relocating
6865         paths within prefix.
6866
6867 2007-03-12  Uros Bizjak  <ubizjak@gmail.com>
6868
6869         * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
6870         fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
6871         mode macro.
6872         (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
6873         fix_truncdfdi_sse using SSEMODEF mode macro.
6874         (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
6875         fix_truncdfsi_sse using SSEMODEF mode macro.
6876         (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
6877         (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
6878
6879 2007-03-12  Richard Sandiford  <richard@codesourcery.com>
6880
6881         * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
6882         elfos.h to tm_file.
6883
6884 2007-03-12  Olga Golovanevsky  <olga@il.ibm.com>
6885
6886         * tree.h : Add multiple_of_p declaration.
6887         * fold-const.c (multiple_of_p): Make multiple_of_p public.
6888         * ipa-type-escape.c (results_of_malloc): Redundant.
6889         (visited_stmts): New. Visited stmt for walk_use_def_chains.
6890         (cast_type): Extended with new members.
6891         (check_cast): Returns cast_type.
6892         (cast): New structure for data of walk_use_def_chains.
6893         (is_malloc_result, is_cast_from_non_pointer_1,
6894         is_cast_from_non_pointer,
6895         is_array_access_through_pointer_and_index): New functions.
6896         (look_for_casts): Returns cast types.
6897         (check_call): Returns void.
6898         (okay_pointer_operation): Use support of pointer plus index,
6899         pointer plus constant and allow all multiplications.
6900
6901 2007-03-11  Richard Guenther  <rguenther@suse.de>
6902
6903         PR tree-optimization/31115
6904         * tree-vrp.c (extract_range_from_binary_expr): Make sure
6905         the shift count is positive and non-anti-range for RSHIFT_EXPR.
6906         A shift count of zero is not special as with *_DIV_EXPR.
6907         (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
6908         direction.
6909
6910 2007-03-11  Ian Lance Taylor  <iant@google.com>
6911
6912         * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
6913         the *_DIV_EXPR codes correctly with overflow infinities.
6914
6915 2007-03-11  Ira Rosen  <irar@il.ibm.com>
6916
6917         * tree-data-ref.c (analyze_offset): Add a return value (bool) to
6918         indicate success/failure of the analysis. Add negation to subtrahend
6919         in case of subtraction. Fail if both operands contain constants.
6920         (create_data_ref): Fail if analyze_offset fails.
6921
6922 2007-03-11  Uros Bizjak  <ubizjak@gmail.com>
6923
6924         * config/i386/i386.md (frndintxf2): Rename to ...
6925         (rintxf2): ... this. Remove expander having same name.
6926         (rintsf2, rintdf2): Implement using SSEMODEF macro.
6927         (roundsf2, rounddf2): Ditto.
6928         (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
6929         (lround<mode>di2, lround<mode>si2): Ditto.
6930
6931 2007-03-11  Steven Bosscher  <steven@gcc.gnu.org>
6932
6933         * lower-subreg.c: Include except.h.
6934         (decompose_multiword_subregs): Verify that the only control flow
6935         insns we can split are loads to multi-words pseudos.
6936         Handle breaking such blocks after splitting, instead of calling
6937         find_many_sub_basic_blocks.
6938
6939         * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
6940         on the new basic block.  Add a lengthy comment explaining why we
6941         thought this was necessary.
6942         * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
6943
6944 2007-03-10  Mark Mitchell  <mark@codesourcery.com>
6945
6946         PR c++/30924
6947         * tree.c (walk_type_fields): Recurse into the element type of
6948         ARRAY_TYPEs if there is a pointer set.
6949
6950 2007-03-10  Dirk Mueller  <dmueller@suse.de>
6951
6952         * c-common.c (warn_logical_operator): Fix condition.
6953
6954 2007-03-10  Tobias Schlüter  <tobi@gcc.gnu.org>
6955
6956         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
6957         quotation mark.
6958         * config/darwin.c (machopic_select_section): Remove superfluous
6959         argument in call to categorize_decl_for_section.  Remove unused
6960         variable shlib.
6961
6962 2007-03-10  Joseph Myers  <joseph@codesourcery.com>
6963
6964         * configure.ac (glibc_header_dir): Set using with_build_sysroot if
6965         defined.
6966         * configure: Regenerate.
6967
6968 2007-03-10  Uros Bizjak  <ubizjak@gmail.com>
6969
6970         PR target/31101
6971         * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
6972         (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
6973         (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
6974         Add LABEL_NUSES to emitted label.
6975         * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
6976         branch probability value to emitted jump insn.
6977         * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
6978         Do not check life information and do not re-arrange input operands
6979         for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
6980
6981 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
6982
6983         * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
6984         the change of decode_asm_operands.
6985
6986 2007-03-10  Kaz Kojima  <kkojima@gcc.gnu.org>
6987
6988         * mode-switching.c (create_pre_exit): Skip blockage insn.
6989
6990 2007-03-09  Diego Novillo  <dnovillo@redhat.com>
6991
6992         * tree-pass.h (TODO_update_smt_usage): Remove.
6993         Update all users.
6994         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
6995         argument SOME.
6996         Update all users.
6997
6998 2007-03-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6999
7000         * pa.c (attr_length_call): Revise condition for long pc-relative branch.
7001         (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
7002         calls on the SOM target.  Don't use "LONG_PIC_PCREL" call sequence on
7003         SOM target.
7004
7005 2007-03-09  Geoffrey Keating  <geoffk@apple.com>
7006
7007         * gcc.c: Document %{, in big comment at top.
7008         (input_suffix_matches): Remove special handling for .s and
7009         .S.
7010         (input_spec_matches): New.
7011         (handle_braces): Handle %{,.
7012         (validate_switches): ',' indicates a value which is not a switch.
7013         * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
7014         to detect assembler input.
7015         * config/i386/sol2.h (CPP_SPEC): Likewise.
7016         * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
7017         * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
7018         * config/rs6000/lynx.h (ASM_SPEC): Likewise.
7019         * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
7020         * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
7021         -m64 causes deployment target to default to 10.5.
7022         * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
7023
7024 2007-03-09  Richard Henderson  <rth@redhat.com>
7025
7026         PR target/26090
7027         * target.h (targetm.asm.out.reloc_rw_mask): New.
7028         * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
7029         (TARGET_ASM_OUT): Use it.
7030         * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
7031         * varasm.c (categorize_decl_for_section): Remove shlib argument;
7032         use the new reloc_rw_mask target hook instead.
7033         (default_section_type_flags_1): Merge into...
7034         (default_section_type_flags): ... here.
7035         (decl_readonly_section_1): Merge into...
7036         (decl_readonly_section): ... here.
7037         (default_elf_select_section_1): Merge into...
7038         (default_elf_select_section): ... here.
7039         (default_unique_section_1): Merge into...
7040         (default_unique_section): ... here.
7041         (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
7042         (default_select_rtx_section): Use it.
7043         (default_elf_select_rtx_section): Likewise.
7044         * output.h: Update to match.
7045         * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
7046         * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
7047         (TARGET_ASM_RELOC_RW_MASK): New.
7048         * config/i386/i386.c (x86_64_elf_select_section): Adjust call
7049         to categorize_decl_for_section.
7050         (x86_64_elf_unique_section): Likewise.
7051         * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
7052         TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
7053         (TARGET_ASM_RELOC_RW_MASK): New.
7054         * config/ia64/ia64.c (ia64_rwreloc_select_section,
7055         ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
7056         (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
7057         (TARGET_RWRELOC): Remove.
7058         (ia64_section_type_flags): Adjust call to default_section_type_flags.
7059         * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
7060         * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
7061         (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
7062         (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
7063         (rs6000_xcoff_select_section): Use decl_readonly_section.
7064         (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
7065         * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
7066         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
7067         (TARGET_SECTION_TYPE_FLAGS): Remove.
7068         * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
7069
7070 2007-03-09  Roger Sayle  <roger@eyesopen.com>
7071
7072         * fold-const.c (fold_comparison): Remove compile-time evaluation of
7073         complex constant equality/inequality comparisons for here.
7074         (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
7075         known at compile-time or can be simplified to a scalar comparison.
7076         (fold_relational_const): Move compile-time evaluation of complex
7077         constant equality/inequality comparisons to here.
7078
7079 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
7080
7081         PR rtl-optimization/30643
7082         * cse.c (cse_insn): Recompute dest_hash after insert_regs for
7083         dest_addr_elt.
7084         (fold_rtx): Recurse, like before 2006-11-03.
7085
7086 2007-03-09  DJ Delorie  <dj@redhat.com>
7087
7088         * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
7089         m32c-pragma.o.
7090
7091 2007-03-09  Aldy Hernandez  <aldyh@redhat.com>
7092
7093         PR tree-optimization/30375
7094         * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
7095         LHS of statements is not the same.
7096         * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
7097
7098 2007-03-09  Chao-ying Fu  <fu@mips.com>
7099
7100         * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
7101         REV 2.
7102         * doc/invoke.texi (-mdspr2): Document new option.
7103         * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
7104         New unspec for DSP REV 2.
7105         (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
7106         these instructions are extended in DSP REV 2.
7107         (mips-dspr2.md): Include.
7108         * config/mips/mips.opt (mdspr2): New option.
7109         * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
7110         MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
7111         MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
7112         (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
7113         (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
7114         (dsp_bdesc): Add DSP REV 2 builtins.  Remove 32-bit only DSP builtins.
7115         (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
7116         and 2 builtins.
7117         (bdesc_map): Add one field of unsupported_target_flags.
7118         (bdesc_arrays):  Update entries to have extra fields.  Add
7119         dsp_32only_bdesc.
7120         (mips_init_builtins): Initialize new function types.
7121         Check unsupported_target_fileds to filter out builtins.
7122         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
7123         TARGET_DSPR2.
7124         (ASM_SPEC): Pass mdspr2 to the assembler.
7125         * config/mips/mips-dspr2.md: New file.
7126
7127 2007-03-09  Sa Liu  <saliu@de.ibm.com>
7128
7129         * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
7130
7131 2007-03-09  Ian Lance Taylor  <iant@google.com>
7132
7133         * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
7134         argument) like -Wstrict-overflow=2.
7135         * doc/invoke.texi (Warning Options): Update documentation.
7136
7137 2007-03-09  Dirk Mueller  <dmueller@suse.de>
7138
7139         PR c++/17946
7140         * doc/invoke.texi (-Wlogical-op): Document.
7141         * common.opt (-Wlogical-op): New.
7142         * c-common.h (warn_logical_operator): Declare.
7143         * c-common.c (warn_logical_operator): Define.
7144         * c-typeck.c (parser_build_binary_op): Call
7145         warn_logical_operator.
7146
7147 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
7148
7149         * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
7150         * final.c (final_scan_insn): Test for non-"" file name.
7151
7152 2007-03-09  Sebastian Pop  <sebastian.pop@inria.fr>
7153
7154         * doc/loop.texi: Document the Omega linear constraints solver.
7155         * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
7156         omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
7157         omega-hash-table-size, omega-max-keys, and
7158         omega-eliminate-redundant-constraints.
7159         * tree-pass.h (pass_check_data_deps): Declared.
7160         * omega.c: New.
7161         * omega.h: New.
7162         * timevar.def (TV_CHECK_DATA_DEPS): Declared.
7163         * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
7164         pass_check_data_deps): New.
7165         * tree-data-ref.c (init_data_ref): Remove declaration.
7166         (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
7167         (analyze_array): Renamed init_array_ref, move up initializations.
7168         (init_data_ref): Renamed init_pointer_ref.  Moved before its call.
7169         Removed arguments that are set to NULL.
7170         (analyze_indirect_ref): Correct indentation, correct call to
7171         init_pointer_ref.
7172         (object_analysis): Call init_array_ref instead of analyze_array.
7173         (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
7174         (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
7175         of DR_ACCESS_FNS_ADDR.
7176         (init_omega_eq_with_af, omega_extract_distance_vectors,
7177         omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
7178         ddr_consistent_p): New.
7179         (compute_affine_dependence): Check consistency of ddrs when
7180         flag_check_data_deps is passed.
7181         (analyze_all_data_dependences): Uncomment.
7182         (tree_check_data_deps): New.
7183         * tree-data-ref.h: Include omega.h.
7184         (DR_ACCESS_FNS_ADDR): Removed.
7185         (data_dependence_relation): Add inner_loop.
7186         (DDR_INNER_LOOP): New.
7187         * common.opt (fcheck-data-deps): New.
7188         * tree-flow.h (tree_check_data_deps): Declare.
7189         * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
7190         (OBJS-common): Depend on omega.o.
7191         (omega.o): Define.
7192         * passes.c (pass_check_data_deps): Scheduled.
7193         * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
7194         PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
7195         PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
7196         PARAM_VECT_MAX_VERSION_CHECKS,
7197         PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
7198
7199 2007-03-09  Richard Guenther  <rguenther@suse.de>
7200
7201         PR tree-optimization/30904
7202         PR middle-end/31058
7203         * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
7204         the same way as *_DIV_EXPR.
7205
7206 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
7207
7208         * recog.c (decode_asm_operands): No mixed declarations and code.
7209
7210 2007-03-09  Alexandre Oliva  <aoliva@redhat.com>
7211
7212         * rtl.def (ASM_INPUT): Add location.
7213         * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
7214         (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
7215         (decode_asm_operands): Add loc operand.
7216         (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
7217         * stmt.c (expand_asm): Rename to...
7218         (expand_asm_loc): ... this.  Add locus argument.  Pass it on to
7219         gen_rtx_ASM_INPUT_loc.
7220         (expand_asm_expr): Adjust.
7221         * recog.c (decode_asm_operands): Add loc operand.
7222         (check_asm_operands, extract_insn): Adjust.
7223         * reload1.c (maybe_fix_stack_asms): Likewise.
7224         * final.c (asm_insn_count): Likewise.
7225         (final_scan_insn): Output # line before and after asm.
7226
7227 2007-03-09  Daniel Berlin  <dberlin@dberlin.org>
7228
7229         * tree-ssa-structalias.c (variable_info): Remove
7230         finished_solution.
7231         (new_var_info): Ditto.
7232         (shared_bitmap_info_t): New structure.
7233         (shared_bitmap_table): New variable.
7234         (shared_bitmap_hash): New function.
7235         (shared_bitmap_eq): Ditto
7236         (shared_bitmap_lookup): Ditto.
7237         (shared_bitmap_add): Ditto.
7238         (merge_smts_into): Change to take bitmap directly.
7239         (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
7240         (init_alias_vars): Init shared bitmap hashtable.
7241         (delete_points_to_sets): Delete shared bitmap hashtable.
7242         * tree-ssa-operands.c (add_virtual_operand): Partially revert the
7243         is_aliased removal as a change that was still necessary was
7244         deleted.
7245
7246 2007-03-09  Uros Bizjak  <ubizjak@gmail.com>
7247
7248         * config/i386/i386.h (override_options): Conditionally disable
7249         x86_sahf for 64bit targets only.
7250
7251 2007-03-08  Andrew Pinski  <andrew_pinski@playstation.sony.com>
7252
7253         PR C/31072
7254         * c-decl.c (merge_decls): Don't call make_var_volatile.
7255         * varasm.c (make_var_volatile): Remove.
7256         * output.h (make_var_volatile): Remove.
7257
7258 2007-03-08  Zdenek Dvorak  <dvorakz@suse.cz>
7259
7260         PR tree-optimization/31085
7261         * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
7262
7263 2007-03-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7264
7265         * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
7266         llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
7267         ATTR_CONST_NOTHROW_LIST.
7268
7269         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
7270         FIX_TRUNC_EXPR.
7271
7272 2007-03-08  Diego Novillo  <dnovillo@redhat.com>
7273
7274         * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
7275
7276 2007-03-08  Geoffrey Keating  <geoffk@apple.com>
7277
7278         PR 31013
7279         * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
7280         is declared.
7281         * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
7282         passed, use shared libgcc.
7283
7284 2007-03-08  Roger Sayle  <roger@eyesopen.com>
7285
7286         * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
7287         instead of calling build2 with a GIMPLE_MODIFY_STMT.
7288         (honor_protect_cleanup_actions, lower_try_finally_switch):
7289         Likewise.
7290         * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
7291         ifc_temp_var): Likewise.
7292         * tree-inline.c (setup_one_parameter): Likewise.
7293         * tree-mudflap.c (mf_decl_cache_locals,
7294         mf_build_check_statement_for): Likewise.
7295         * tree-nested.c (init_tmp_var, save_tmp_var,
7296         finalize_nesting_tree_1): Likewise.
7297         * tree-outof-ssa.c (insert_copy_on_edge,
7298         insert_backedge_copies): Likewise.
7299         * tree-profile.c (tree_gen_edge_profiler,
7300         tree_gen_ic_profiler): Likewise.
7301         * tree-scalar-evolution.c (scev_const_prop): Likewise.
7302         * tree-sra.c (sra_build_assignment): Likewise.
7303         * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
7304         * tree-ssa-math-opts.c (insert_reciprocals,
7305         execute_cse_sincos_1): Likewise.
7306         * tree-tailcall.c (adjust_accumulator_values,
7307         adjust_return_value): Likewise.
7308         * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
7309         * tree-vect-transform.c (vect_create_data_ref_ptr,
7310         bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
7311         vect_create_epilog_for_reduction, vectorizable_reduction,
7312         vectorizable_call, vectorizable_conversion,
7313         vectorizable_assignment, vectorizable_operation,
7314         vectorizable_type_demotion, vect_gen_widened_results_half,
7315         vect_permute_store_chain, vectorizable_store,
7316         vect_setup_realignment, vect_permute_load_chain,
7317         vectorizable_load, vectorizable_condition,
7318         vect_create_cond_for_align_checks): Likewise.
7319         * tree-vrp.c (build_assert_expr_for): Likewise.
7320
7321 2007-03-08  Ian Lance Taylor  <iant@google.com>
7322
7323         * tree-vrp.c: Include "intl.h".
7324         (usable_range_p): New static function.
7325         (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
7326         overflowed values, juts set *strict_overflow_p.
7327         (compare_values): Only return -2 if one of the operands is not a
7328         constant.
7329         (compare_ranges): Call usable_range_p.
7330         (compare_range_with_value): Likewise.
7331         (vrp_evaluate_conditional_warnv): Rename from
7332         vrp_evaluate_conditional.  Make static.  Change all callers.
7333         (vrp_evaluate_conditional): New function.
7334         (simplify_div_or_mod_using_ranges): Issue warning about reliance
7335         on signed overflow.
7336         (simplify_abs_using_ranges): Likewise.
7337         (simplify_stmt_for_jump_threading): Add within_stmt parameter.
7338         * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
7339         within_stmt parameter.
7340         * tree-ssa-propagate.c (fold_predicate_in): Update call to
7341         vrp_evaluate_conditional.
7342         * tree-ssa-threadedge.c
7343         (record_temporary_equivalences_from_stmts_at_dest): Change
7344         simplify parameter to take a second tree parameter.
7345         (simplify_control_stmt_condition): Likewise.
7346         (thread_across_edge): Likewise.
7347         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
7348         (thread_across_edge): Likewise.
7349         * Makefile.in (tree-vrp.o): Depend upon intl.h.
7350
7351 2007-03-08  Uros Bizjak  <ubizjak@gmail.com>
7352
7353         * config/i386/i386.h (TARGET_SAHF): New define.
7354         * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
7355         Also enable for m_K8, m_AMDFAM10 and m_CORE2.
7356         (x86_sahf): New global variable.
7357         (override_options): Add PTA_NO_SAHF to pta_flags enum.  Recode
7358         pta_flags masks using shifts.  Add PTA_NO_SAHF to x86_64 and
7359         nocona processor flags.  Set x86_sahf when PTA_NO_SAHF is not set
7360         in processor flags.  Do not unconditionally disable TARGET_USE_SAHF
7361         for 64-bit.
7362         (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
7363         (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
7364         when expanding fcomi/sahf based tests.
7365         (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
7366         expanding sahf based alternative. Emit sahf based sequence when
7367         optimizing for code size.
7368         * config/i386/i386.md (x86_sahf_1): Do not disable for
7369         TARGET_64BIT, enable for TARGET_SAHF.
7370
7371 2007-03-08  Martin Michlmayr  <tbm@cyrius.com>
7372
7373         * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
7374         spurious whitespace from error message.
7375
7376 2007-03-08  Volker Reichelt  <reichelt@netcologne.de>
7377
7378         PR c++/30852
7379         * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
7380
7381 2007-03-08  Alexandre Oliva  <aoliva@redhat.com>
7382
7383         * c-decl.c (grokdeclarator): Disable warnings for anonymous
7384         bitfields.
7385         * tree-sra.c (instantiate_element): Propagate disabled warnings
7386         from the element itself to the created variable.
7387
7388 2007-03-07  Richard Henderson  <rth@redhat.com>
7389
7390         PR target/30848
7391         * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
7392         silently fix up the stack in the case of a missing register.
7393
7394 2007-03-07  Paul Brook  <paul@codesourcery.com>
7395
7396         * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
7397
7398 2007-03-07  Joseph Myers  <joseph@codesourcery.com>
7399
7400         * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
7401         New.
7402         (phase1_vrs): Use them.
7403         (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
7404         (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
7405         __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
7406         (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
7407         __gnu_Unwind_Restore_WMMXC if required.
7408         (_Unwind_VRS_Pop): Implement iWMMXt support.
7409         * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
7410         gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
7411         gnu_Unwind_Save_WMMXC): Define.
7412
7413 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
7414
7415         * config/vxworks.h (vxworks_override_options): Declare.
7416         (VXWORKS_OVERRIDE_OPTIONS): Use it.
7417         * config/vxworks.c: Include target.h and toplev.h.
7418         (vxworks_override_options): New function.
7419         * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
7420
7421 2007-03-07  Andreas Krebbel  <krebbel1@de.ibm.com>
7422
7423         * config/s390/s390.c (override_options): Don't emit an error when
7424         -mstack-size is used without providing -mstack-guard.
7425         (s390_emit_prologue): Choose stack_guard value automatically if not
7426         provided via command line.
7427         * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
7428
7429 2007-03-07  Richard Sandiford  <richard@codesourcery.com>
7430
7431         * config/i386/i386.c (output_set_got): Add a GOT initialization
7432         sequence for VxWorks PIC.
7433         (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
7434         around labels as well as symbols.  Use gotoff_operand instead
7435         of local_symbolic_operand.
7436         (legitimize_pic_address): Use gotoff_operand instead of
7437         local_symbolic_operand.  Use @GOT accesses for labels as
7438         well as symbols.
7439         (ix86_output_addr_diff_elt): Use PC-relative rather than
7440         GP-relative offsets for VxWorks PIC.
7441         (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
7442         no_new_pseudos.  Check whether the returned register is op0.
7443         * config/i386/i386.md (tablejump): Use PC-relative rather than
7444         GP-relative offsets for VxWorks PIC.
7445         * config/i386/predicates.md (gotoff_operand): New predicate.
7446
7447 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7448
7449         * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
7450         before defining.
7451         * config/vxworks-dummy.h: New file.
7452         * config/i386/i386.h: Include it.
7453
7454 2007-03-07  Alexandre Oliva  <aoliva@redhat.com>
7455
7456         * dwarf2out.c (is_inlined_entry_point): New
7457         (add_high_low_attributes): Emit DW_AT_entry_pc along with
7458         DW_AT_ranges if the first subblock is the entry point.
7459
7460 2007-03-06  David Daney  <ddaney@avtrex.com>
7461
7462         * doc/install.texi (mips-*-*): Change recommended binutils
7463         version.
7464
7465 2007-03-06  Anatoly Sokolov <aesok@post.ru>
7466
7467         * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
7468         ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
7469         devices.
7470         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7471         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7472
7473 2007-03-06  Jan Hubicka  <jh@suse.cz>
7474
7475         * errors.h (warning, error, fatal, internal_error): Mark as cold.
7476         * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
7477         are hot.
7478         (probably_cold_bb_p): Cold functions are cold.
7479         (probably_never_executed_bb_p): Cold functions are cold.
7480         (tree_bb_level_predictions): Predict calls to cold functions as not
7481         taken.
7482         (compute_function_frequency): Check hot/cold attributes.
7483         * function.h (function_frequency): Update comments.
7484         * predict.def (PRED_COLD_FUNCTION): Predict cold function.
7485         * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
7486         (c_common_att): Add cold and hot.
7487
7488         * doc/extend.texi (hot,cold attributes): Document.
7489
7490 2007-03-06  Andrew Haley  <aph@redhat.com>
7491
7492         * function.c (expand_function_end): Move blockage to just after we
7493         emit the label for the naked return from the function.
7494
7495 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7496
7497         * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
7498         before redefining.
7499
7500 2007-03-06  Jan Hubicka  <jh@suse.cz>
7501
7502         * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
7503         loaded for constant large models.  Non-large 64bit PIC can do.
7504         * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
7505         * cmodel.h: Add LARGE PIC.
7506         * i386.md (UNSPEC_PLTOFF): New.
7507         (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
7508         needed.
7509         (*call_1_rex64): Disable for large models.
7510         (*call_1_rex64_large): New.
7511         (*call_value_1_rex64): Disable for large models.
7512         (*call_value_1_rex64_large): New.
7513         (set_rip_rex4): New.
7514         (set_got_offset_rex64): New.
7515         * predicates.md (constant_call_address_operand): For large model
7516         constant calls are not possible.
7517         * i386-protos.h (construct_plt_address): Declare.
7518         * i386.c (override_options): Accept large models.
7519         (ix86_expand_prologue): Expand large PIC GOT pointer load.
7520         (legitimate_constant_p): Add new UNSPECs.
7521         (legitimate_pic_operand_p): Likewise.
7522         (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
7523         (legitimize_pic_address): Do easy RIP relative way for TLS only for
7524         non-large model.
7525         (output_pic_addr_const): Add PLTOFF.
7526         (ix86_output_addr_diff_elt): Output 64bit tables when needed.
7527         (ix86_expand_move): Legitimize pic address when in PIC mode.
7528         (construct_plt_address): New function.
7529         (ix86_expand_call): Offload the address to register and use GOT pointer
7530         for large model.
7531         * invoke.texi (mcmodel=large): Update documentation.
7532
7533 2007-03-06  Richard Henderson  <rth@redhat.com>
7534
7535         * config/i386/i386.c (x86_use_leave, x86_push_memory,
7536         x86_zero_extend_with_and, x86_movx, x86_double_with_add,
7537         x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
7538         x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
7539         x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
7540         x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
7541         x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
7542         x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
7543         x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
7544         x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
7545         x86_partial_reg_dependency, x86_memory_mismatch_stall,
7546         x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
7547         x86_sse_partial_reg_dependency, x86_sse_split_regs,
7548         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
7549         x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
7550         x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
7551         x86_schedule, x86_use_bt, x86_pad_returns,
7552         x86_use_xchgb): Merge into ...
7553         (ix86_tune_features): ... here.  New array.
7554         (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
7555         x86_bswap): Merge into ...
7556         (ix86_arch_features): ... here.  New array.
7557         (x86_3dnow_a): Remove.
7558         (x86_accumulate_outgoing_args): Make static.
7559         (x86_arch_always_fancy_math_387): Make static.
7560         (ix86_tune_mask, ix86_arch_mask): Move ...
7561         (override_options): ... to local variables here.  Apply the
7562         appropriate mask to each element of ix86_arch_features and
7563         ix86_tune_features.  Adjust TARGET_CMOVE and TARGET_USE_SAHF
7564         as were done in the old macros.
7565         (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
7566         * config/i386/i386.h (x86_use_leave, x86_push_memory,
7567         x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
7568         x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
7569         x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
7570         x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
7571         x86_read_modify_write, x86_read_modify, x86_split_long_moves,
7572         x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
7573         x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
7574         x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
7575         x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
7576         x86_partial_reg_dependency, x86_memory_mismatch_stall,
7577         x86_accumulate_outgoing_args, x86_prologue_using_move,
7578         x86_epilogue_using_move, x86_decompose_lea,
7579         x86_arch_always_fancy_math_387, x86_shift1,
7580         x86_sse_partial_reg_dependency, x86_sse_split_regs,
7581         x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
7582         x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
7583         x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
7584         x86_use_incdec, x86_pad_returns, x86_bswap,
7585         x86_partial_flag_reg_stall): Remove.
7586         (enum ix86_tune_indices): New.
7587         (ix86_tune_features): New.
7588         (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
7589         TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
7590         TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
7591         TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
7592         TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
7593         TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
7594         TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
7595         TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
7596         TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
7597         TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
7598         TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
7599         TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
7600         TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
7601         TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
7602         TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
7603         TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
7604         TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
7605         TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
7606         TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
7607         TARGET_EXT_80387_CONSTANTS): Use it.
7608         (enum ix86_arch_indices): New.
7609         (ix86_arch_features): New.
7610         (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
7611         TARGET_BSWAP): Use it.
7612         (ix86_tune_mask, ix86_arch_mask): Remove.
7613
7614 2007-03-06  Joseph Myers  <joseph@codesourcery.com>
7615
7616         PR bootstrap/31020
7617         * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
7618         Define using $${sysroot_headers_suffix}.
7619         * configure: Regenerate.
7620         * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
7621         multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
7622         defined.
7623         * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
7624         * gcc.c (print_sysroot_headers_suffix): New.
7625         (option_map): Include --print-sysroot-headers-suffix.
7626         (display_help): Mention -print-sysroot-headers-suffix.
7627         (process_command): Handle -print-sysroot-headers-suffix.
7628         (do_spec_1): Append multilib directory to include-fixed path if
7629         sysroot suffixes in use.
7630         (main): Handle -print-sysroot-headers-suffix.
7631         * Makefile.in (start.encap): Don't depend on xlimits.h
7632         (xlimits.h): Remove.
7633         (stmp-int-hdrs): Don't depend on xlimits.h.  Inline generation of
7634         limits.h for each multilib in fixinc_list.
7635         (fixinc_list, s-fixinc_list): New.
7636         (stmp-fixinc): Depend on fixinc_list.  If not copying headers,
7637         generate them for each multilib in fixinc_list.
7638         (stmp-fixproto): Use include-fixed.  Run fixproto for each
7639         multilib in fixinc_list.
7640         (mostlyclean): Don't remove xlimits.h.
7641         (clean): Remove include-fixed.
7642         (real-install-headers-tar, real-install-headers-cpio,
7643         real-install-headers-cp): Don't copy include, only include-fixed.
7644         (install-mkheaders): Depend on fixinc_list.  Don't depend on
7645         xlimits.h.  Save limits.h files for each multilib in fixinc_list.
7646         Always save mkinstalldirs.  Preserve ${sysroot_headers_suffix} in
7647         SYSTEM_HEADER_DIR setting in mkheaders.conf.
7648
7649 2007-03-06  Jan Hubicka  <jh@suse.cz>
7650
7651         * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
7652         NANs easilly.
7653
7654 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7655
7656         * configure.ac: Allow tm_file to contain build-directory files.
7657         * configure: Regenerate.
7658         * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
7659         * config/m68k/t-uclinux (sysroot-suffix.h): New target.
7660         * config/m68k/print-sysroot-suffix.sh: New file.
7661
7662 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7663
7664         * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
7665         of pic_offset_table_rtx if reload_completed.
7666         (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
7667         PIC_OFFSET_TABLE_REGNUM.
7668         * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
7669         return true.
7670         (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
7671         (m68k_output_mi_thunk): Rewrite to use RTL.  Honor vcall_offset.
7672
7673 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7674
7675         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
7676         functions that call eh_return.
7677
7678 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7679
7680         * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
7681         functions that need a constant pool.
7682
7683 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7684
7685         PR target/28181
7686         * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
7687         (m68k_preferred_reload_class): Likewise.
7688         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
7689         (SECONDARY_RELOAD_CLASS): Define.
7690         (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
7691         (LIMIT_RELOAD_CLASS): Delete.
7692         * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
7693         registers from storing bytes.
7694         (m68k_secondary_reload_class): New function.
7695         (m68k_preferred_reload_class): Likewise.
7696
7697 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7698
7699         * config/m68k/m68k.c (m68k_save_reg): Remove special case for
7700         leaf functions.
7701         (m68k_expand_prologue): Likewise.
7702
7703 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7704
7705         * config/m68k/m68k-protos.h (output_sibcall): Declare.
7706         (mips_expand_epilogue): Add a bool parameter.
7707         (m68k_legitimize_sibcall_address): Declare.
7708         * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
7709         (m68k_expand_epilogue): Add a parameter to select between sibling
7710         and normal epilogues.  Only generate a return for the latter.
7711         (m68k_ok_for_sibcall_p): New function.
7712         (m68k_legitimize_sibcall_address, output_sibcall): New functions.
7713         * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
7714         (sibcall_value, *sibcall_value): Likewise.
7715         (*call, *call_value): Require !SIBLING_CALL_P.
7716         (epilogue): Update call to m68k_expand_epilogue.
7717         (sibcall_epilogue): New pattern.
7718         * config/m68k/predicates.md (const_call_operand): Say that this
7719         predicate applies to sibling calls too.
7720         (sibcall_operand): New predicate.
7721
7722 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7723
7724         * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
7725         alternatives as movsi_cf.
7726         (movsf_cf_hard): Add commentary.
7727
7728 2007-03-06  Kazu Hirata  <kazu@codesourcery.com>
7729             Richard Sandiford  <richard@codesourcery.com>
7730
7731         * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
7732         (m68k_movem_pattern_p, m68k_output_movem): Likewise.
7733         (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
7734         * config/m68k/m68k.h (EPILOGUE_USES): Define.  Treat all registers
7735         as being live on exit from an interrupt function.
7736         (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
7737         * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
7738         (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
7739         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
7740         (m68k_interrupt_function_p): Globalize.
7741         (m68k_compute_frame_layout): Remove reverse mask code.
7742         (m68k_emit_movem, m68k_set_frame_related): New functions.
7743         (m68k_output_function_prologue): Delete in favor of...
7744         (m68k_expand_prologue): ...this new function.
7745         (m68k_output_function_epilogue): Delete in favor of...
7746         (m68k_expand_epilogue): ...this new function.
7747         (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
7748         functions.
7749         (print_operand): Handle %?.
7750         * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
7751         (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
7752         (prologue, epilogue): New patterns.
7753         (return): Turn into a define_expand.
7754         (*return): New pattern, derived from old "return" pattern.  Use rte
7755         rather than rts for interrupt functions.  Only use rtd if the pop
7756         count is nonzero.
7757         (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
7758         (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
7759         (link, *link, unlink, *unlink, load_got): Likewise.
7760
7761 2007-03-06  Richard Sandiford  <richard@codesourcery.com>
7762
7763         PR target/23482
7764         PR target/17114
7765         * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
7766         (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
7767         (m68k_matches_q_p, m68k_matches_u_p): Likewise.
7768         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
7769         and m68k_matches_u_p.
7770         (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
7771         (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
7772         (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
7773         (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
7774         (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
7775         (REG_STRICT_P): New macro.
7776         (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
7777         PCREL_GENERAL_OPERAND_OK.
7778         (REG_OK_FOR_BASE_P): Merge definitions.  Use REG_STRICT_P and
7779         m68k_legitimate_base_reg_p.
7780         (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
7781         (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
7782         (PIC_CASE_VECTOR_ADDRESS): Update comment.
7783         * config/m68k/m68k.c (m68k_address): New structure.
7784         (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
7785         (m68k_decompose_index, m68k_legitimate_constant_address_p)
7786         (m68k_jump_table_ref_p, m68k_decompose_address)
7787         (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
7788         (m68k_matches_u_p): New functions.
7789         (print_operand_address): Rewrite to use m68k_decompose_index.
7790
7791 2007-03-05  David Taylor  <dtaylor@emc.com>
7792
7793         * gcc.c: Correct copyright date in --version output.
7794
7795 2007-03-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7796
7797         * pa.md: In unamed move patterns, disparge copies between general
7798         and floating point registers using '?' modifier.  Don't include 'f'
7799         constraint for register preferences in DImode, SImode, HImode and
7800         QImode patterns.  Likewise for 'r' in DFmode and SFmode patterns.
7801         Remove constraints for copies between general and floating registers
7802         in soft-float DFmode pattern.
7803         (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
7804         floating register.
7805         (movsf): Likewise.
7806
7807 2007-03-05  Mike Stump  <mrs@apple.com>
7808
7809         * c-common.c (targetcm): Add.
7810         * c-opts.c (c_common_handle_option): Handle language specific
7811         target options.
7812         * opts.c (handle_option): Verify language for target options, if
7813         any are given.
7814         * opth-gen.awk: Add CL_LANG_ALL.
7815         * target-def.h (TARGET_HANDLE_C_OPTION): Add.
7816         (TARGETCM_INITIALIZER): Add.
7817         * target.h (struct gcc_targetcm): Add.
7818         (targetcm): Add.
7819         * targhooks.c (default_handle_c_option): Add.
7820         * targhooks.h (default_handle_c_option): Add.
7821         * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
7822
7823         * config/darwin.opt (iframework): Add.
7824         * config/darwin.h (TARGET_HAS_TARGETCM): Add.
7825         * config/darwin-c.c (handle_c_option): Add.
7826         (TARGET_HANDLE_C_OPTION): Add.
7827         (targetcm): Add.
7828         * doc/invoke.texi (Darwin Options): Add -iframework.
7829
7830 2007-03-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7831
7832         * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
7833         conversion.
7834
7835 2007-03-05  Ian Lance Taylor  <iant@google.com>
7836
7837         * c.opt (fgnu89-inline): New option.
7838         * c-opts.c (c_common_post_options): Set default value for
7839         flag_gnu89_inline.
7840         * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
7841         (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
7842         inline functions.
7843         (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
7844         (grokdeclarator, start_function): Likewise.
7845         * c-cppbuiltin.c (c_cpp_builtins): Define either
7846         __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
7847         * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
7848         (C Dialect Options): Document -fgnu89-inline.
7849         * doc/extend.texi (Function Attributes): Explain what the
7850         gnu_inline attribute does.
7851         * doc/cpp.texi (Common Predefined Macros): Document
7852         __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
7853
7854 2007-03-05  Ian Lance Taylor  <iant@google.com>
7855
7856         PR tree-optimization/31034
7857         * tree-vrp.c (extract_range_from_assert): Don't try to handle a
7858         half-range if the other side is an overflow infinity.
7859
7860 2007-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
7861
7862         * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
7863         (bfin*-linux-uclibc*): New configuration.
7864         * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
7865         defining.
7866         * config/bfin/linux.h: New file.
7867         * config/bfin/libgcc-bfin.ver: New file.
7868         * config/bfin/t-bfin-uclinux: New file.
7869         * config/bfin/t-bfin-linux: New file.
7870         * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
7871         (TARGET_OS_CPP_BUILTINS): New macro.
7872
7873 2007-03-05  Richard Guenther  <rguenther@suse.de>
7874
7875         * fold-const.c (fold_binary): Remove duplicate folding
7876         of comparison of non-null ADDR_EXPR against null.
7877
7878 2007-03-05  Richard Guenther  <rguenther@suse.de>
7879             Dorit Nuzman  <dorit@il.ibm.com>
7880
7881         PR tree-optimization/26420
7882         * tree-vectorizer.c (vectorize_loops): Bail out early if there
7883         are no loops in the function.  Only print the number of
7884         vectorized loops if it is greater than zero or we are supposed
7885         to print information about unvectorized loops.
7886
7887 2007-03-05  Revital Eres  <eres@il.ibm.com>
7888
7889         * gcc.dg/var-expand1.c: New test.
7890         * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
7891         when an accumulator is expanded.
7892
7893 2007-03-04  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
7894
7895         PR other/30465
7896         * c-common.c (convert_and_check): Don't give warnings for
7897         conversion if 'expr' already overflowed.
7898
7899 2007-03-04  Roger Sayle  <roger@eyesopen.com>
7900
7901         PR middle-end/30744
7902         * fold-const.c (fold_comparison): Enforce type consistency when
7903         transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
7904
7905 2007-03-04  Zdenek Dvorak  <dvorakz@suse.cz>
7906
7907         * tree-ssa-address.c (create_mem_ref): Do not put an expression
7908         containing a cast to the base of TARGET_MEM_REF.
7909
7910 2007-03-04  Martin Michlmayr  <tbm@cyrius.com>
7911
7912         * tree.c (tree_contains_struct_check_failed): Remove spurious
7913         whitespace from error message.
7914
7915 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
7916
7917         PR target/30406
7918         * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
7919         instead of precision.
7920
7921 2007-03-04  Roman Zippel <zippel@linux-m68k.org>
7922             Nathan Sidwell  <nathan@codesourcery.com>
7923
7924         * emit-rtl.c (find_auto_inc): New.
7925         (try_split): recreate REG_INC notes,
7926         Use regular for loops rather than whiles.
7927
7928 2007-03-03  Andreas Schwab  <schwab@suse.de>
7929
7930         * configure.ac (HAVE_AS_REL16): Move test back to correct place.
7931         * configure: Regenerate.
7932
7933 2007-03-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7934
7935         * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
7936         flag_rounding_math, not flag_unsafe_math_optimizations.
7937
7938         * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
7939         fold_build2.
7940         * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
7941         alpha_fold_vector_minmax): Likewise.
7942         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
7943         * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
7944
7945 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
7946
7947         * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
7948         (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
7949         if the lhs has side-effects.
7950         <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
7951
7952 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
7953
7954         * config/i386/i386.h (TUNEMASK): Remove define.
7955         (ARCHMASK): Remove define.
7956         (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
7957          Use ix86_arch_mask variable instead of ARCHMASK.
7958         * config/i386/i386.c (override_options): Ditto.
7959         (standard_80387_constant_p): Ditto.
7960
7961 2007-03-02  Ian Lance Taylor  <iant@google.com>
7962
7963         Used signed infinities in VRP.
7964         * tree-vrp.c (uses_overflow_infinity): New static function.
7965         (supports_overflow_infinity): New static function.
7966         (make_overflow_infinity): New static function.
7967         (negative_overflow_infinity): New static function.
7968         (positive_overflow_infinity): New static function.
7969         (is_negative_overflow_infinity): New static function.
7970         (is_positive_overflow_infinity): New static function.
7971         (is_overflow_infinity): New static function.
7972         (overflow_infinity_range_p): New static function.
7973         (compare_values_warnv): New function split out of compare_values.
7974         (compare_value): Call it.
7975         (set_value_range_to_nonnegative): Add overflow_infinity
7976         parameter.  Change caller.
7977         (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
7978         Change callers.
7979         (vrp_expr_computes_nonzero): Likewise.
7980         (compare_ranges, compare_range_with_value): Likewise.
7981         (compare_name_with_value, compare_names): Likewise.
7982         (vrp_evaluate_conditional): Likewise.
7983         (set_value_range): Handle infinity
7984         (vrp_operand_equal_p, operand_less_p): Likewise.
7985         (extract_range_from_assert): Likewise.
7986         (vrp_int_const_binop): Likewise.
7987         (extract_range_from_binary_expr): Likewise.
7988         (extract_range_from_unary_expr): Likewise.
7989         (extract_range_from_comparison): Likewise.
7990         (extract_range_from_expr): Likewise.
7991         (dump_value_range): Likewise.
7992         (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
7993         (test_for_singularity): Likewise.
7994         (vrp_int_const_binop): Remove inline qualifier.
7995         (adjust_range_with_scev): Add comment.
7996         * tree-flow.h (vrp_evaluate_conditional): Update declaration.
7997
7998 2007-03-02  Diego Novillo  <dnovillo@redhat.com>
7999
8000         * tree-ssa-structalias.c (could_have_pointers): Tidy.
8001         (get_constraint_for): Likewise.
8002         (do_structure_copy): Likewise.
8003         (find_func_aliases): Fix references to MODIFY_EXPR.
8004         (intra_create_variable_infos): Tidy.
8005         * tree-ssa-operands.c (add_virtual_operand): Add argument
8006         IS_CALL_SITE.
8007         When adding members of alias sets, if IS_CALL_SITE is true and
8008         the symbol is not call-clobbered, skip it.
8009         Adjust all callers.
8010
8011 2007-03-02  Eric Botcazou  <ebotcazou@adacore.com>
8012
8013         * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
8014         entry by means of emit_insn_at_entry.
8015
8016 2007-03-02  Richard Henderson  <rth@redhat.com>
8017
8018         * expr.h (promoted_input_arg): Remove decl.
8019         * function.c (promoted_input_arg): Merge into ...
8020         * combine.c (setup_incoming_promotions): ... only caller.
8021         Rearrange to avoid double loop.
8022
8023 2007-03-02  Ben Elliston  <bje@au.ibm.com>
8024             Peter Bergner  <bergner@vnet.ibm.com>
8025             Janis Johnson  <janis187@us.ibm.com>
8026
8027         * config/rs6000/dfp.md: New file.
8028         * config/rs6000/rs6000.md: Include dfp.md.
8029         (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
8030         * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
8031         and TDmode decimal float modes in FP registers.
8032         (num_insns_constant): Likewise.
8033         (rs6000_legitimate_offset_address_p): Likewise.
8034         (rs6000_legitimize_address): Likewise.
8035         (rs6000_legitimize_reload_address): Likewise.
8036         (rs6000_legitimate_address): Likewise.
8037         (rs6000_emit_move): Likewise.
8038         (function_arg_boundary): Likewise.
8039         (function_arg_advance): Likewise.
8040         (rs6000_darwin64_record_arg_recurse): Likewise.
8041         (function_arg): Likewise.
8042         (rs6000_gimplify_va_arg): Likewise.
8043         (rs6000_split_multireg_move): Likewise.
8044         (rs6000_output_function_epilogue): Likewise.
8045         (rs6000_output_function_epilogue): Likewise.
8046         (rs6000_register_move_cost): Likewise.
8047         (rs6000_function_value): Likewise.
8048         (rs6000_libcall_value): Likewise.
8049
8050 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
8051
8052         * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
8053
8054 2007-03-02  Richard Sandiford  <richard@codesourcery.com>
8055
8056         * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
8057         Use $MULTIDIR to choose between the kernel and RTP headers,
8058         and use $WIND_BASE and $WIND_USR to locate them.
8059
8060 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
8061
8062         * config/i386/i386.c (override_options): Put initialization of
8063         ix86_tune_mask and ix86_arch_mask to the correct place.
8064
8065 2007-03-02  Uros Bizjak  <ubizjak@gmail.com>
8066             Michael Meissner  <michael.meissner@amd.com>
8067
8068         PR target/31019
8069         * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
8070         (ARCHMASK): Define.
8071         (TARGET_CMOVE): Use ARCHMASK.
8072         (TARGET_CMPXCHG): Ditto.
8073         (TARGET_CMPXCHG8B): Ditto.
8074         (TARGET_XADD): Ditto.
8075         (TARGET_BSWAP): Ditto.
8076         * config/i386/i386.c (ix86_tune_mask): New global variable.
8077         (ix86_arch_mask): Ditto.
8078         (override_options): Initialize ix86_tune_mask and
8079         ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
8080         target_flags.
8081
8082 2007-03-02  Ben Elliston  <bje@au.ibm.com>
8083
8084         PR 30992
8085         * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
8086
8087 2007-03-02  Joseph Myers  <joseph@codesourcery.com>
8088
8089         * target.h (init_dwarf_reg_sizes_extra): New target hook.
8090         * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
8091         * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
8092         * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
8093         hook.
8094         * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
8095         rs6000_init_dwarf_reg_sizes_extra): New.
8096         * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
8097         SPE register high parts.
8098
8099 2007-03-01  Brooks Moses  <brooks.moses@codesourcery.com>
8100
8101         * Makefile.in: Add install-pdf target as
8102         copied from automake v1.10 rules.
8103         * configure.ac: Add install-pdf to target list.
8104         * configure: Regenerate.
8105
8106 2007-03-01  Paul Brook  <paul@codesourcery.com>
8107
8108         * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
8109         modes to LDRD for DImode.
8110         (output_move_double): Fixup out of range ldrd/strd.
8111         (vfp_secondary_reload_class): Rename...
8112         (coproc_secondary_reload_class): ... to this.  Add wb argument.
8113         * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
8114         coproc_secondary_reload_class for CLASS_IWMMXT.
8115         (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
8116         * arm-protos.h (coproc_secondary_reload_class): Update prototype.
8117
8118 2007-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
8119
8120         * tree-ssa-loop-prefetch.c (determine_unroll_factor):  Bound the unroll
8121         factor by the estimated number of iterations.
8122         (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
8123         prefetch latency.
8124
8125         * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
8126         decode_caches_intel, detect_caches_intel): New functions.
8127         (host_detect_local_cpu): Use detect_caches_amd and
8128         detect_caches_intel.
8129
8130 2007-03-01  Richard Henderson  <rth@redhat.com>
8131
8132         * expr.c (emit_move_complex_push): Export.
8133         (emit_move_complex_parts): Split out from ...
8134         (emit_move_complex): ... here.
8135         * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
8136         * config/i386/i386.md (movcdi): New.
8137
8138 2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
8139
8140         * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
8141         size of mode1 to check for tieable modes in MMX case.
8142
8143 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
8144
8145         * Makefile.in (rtlanal.o): Depend on tree.h.
8146         * rtl.h (offset_within_section_p, split_const): Declare.
8147         * rtlanal.c: Include tree.h.
8148         (offset_within_block_p): New function, taken from
8149         mips_offset_within_object_p.
8150         (split_const): New function, taken from mips_split_const.
8151         * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
8152         Declare.
8153         * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
8154         (CONSTANT_ADDRESS_P): Only accept legitimate constants.
8155         (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
8156         * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
8157         (m68k_illegitimate_symbolic_constant_p): New function.
8158         * config/m68k/m68k.md (movsi): Remove misleading predicates.
8159         If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
8160         symbolic constant that might be outside the symbol's section,
8161         move the symbol first and then add the offset.
8162         * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
8163         Override.
8164         * config/mips/mips.c (mips_split_const): Delete.
8165         (mips_offset_within_object_p): Delete.
8166         (mips_symbolic_constant_p): Use offset_within_section_p and
8167         split_const instead of mips_offset_within_object_p and
8168         mips_split_const.
8169         (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
8170         (mips_legitimize_const_move, print_operand_reloc)
8171         (mips_dangerous_for_la25_p): Use split_const instead of
8172         mips_split_const.
8173
8174 2007-02-28  Eric Christopher  <echristo@apple.com>
8175
8176         * Makefile.in (install-include-dir): Don't rm -rf include.
8177
8178 2007-02-28  Richard Guenther  <rguenther@suse.de>
8179
8180         PR middle-end/30364
8181         * fold-const.c (fold_binary): Do not associate expressions
8182         with more than one variable for integer types that do not wrap.
8183
8184 2007-02-28  Sandra Loosemore  <sandra@codesourcery.com>
8185
8186         * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
8187         Delete, and replace with...
8188         (fold_builtin_call_array): This.  Update callers to use it.
8189         * fold-const.c (fold_build_call_list): Delete, and replace with...
8190         (fold_build_call_array): This.
8191         (fold_build_call_list_initializer): Delete, and replace with...
8192         (fold_build_call_array_initializer): This.
8193         * tree.h: Update declarations to reflect above changes.
8194
8195         * c-typeck.c (build_function_call): Store converted arguments
8196         in a stack-allocated array instead of building a list.
8197         (convert_arguments): Store arguments in the array passed in as an
8198         argument, and return the actual number of arguments.
8199         * c-format.c: (check_function_format): Pass arguments in an
8200         array instead of a list.
8201         * c-common.c (check_function_nonnull): Likewise.
8202         (check_function_sentinel): Likewise.
8203         (check_function_arguments): Likewise.
8204         * c-common.h: Update declarations to reflect above changes.
8205
8206 2007-02-28  Jan Hubicka  <jh@suse.cz>
8207
8208         * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
8209         PRED_NEGATIVE_RETURN): Update outcomes.
8210
8211 2007-02-28  Bernd Schmidt  <bernd.schmidt@analog.com>
8212
8213         * calls.c (emit_library_call_value_1): Handle partial registers
8214         correctly when building up CALL_INSN_FUNCTION_USAGE.
8215
8216 2007-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8217
8218         * pa/predicates.md (move_src_operand): Allow zero for mode.
8219         * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
8220         move pattern.
8221
8222 2007-02-27  Uros Bizjak  <ubizjak@gmail.com>
8223
8224         PR target/30970
8225         * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
8226         *movv2df_internal): Enable pattern only for valid operand
8227         combinations.
8228         * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
8229         tie only 128bit modes. For MMX registers, tie only 64bit modes.
8230
8231 2007-02-27  Mike Stump  <mrs@apple.com>
8232
8233         * config/darwin-crt3.c: Avoid compilation when compiling for a
8234         kext multilib.
8235
8236 2007-02-27  Joseph Myers  <joseph@codesourcery.com>
8237
8238         * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
8239         FIXED_INCLUDE_DIR.
8240         (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
8241         for fixed headers and limits.h.
8242         (install-include-dir, install-headers-tar, install-headers-cpio,
8243         install-headers-cp, real-install-headers-tar,
8244         real-install-headers-cpio, real-install-headers-cp): Handle
8245         include-fixed as well as include.
8246         (install-mkheaders): Don't install files that go only in include
8247         not include-fixed.
8248         * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
8249         from GCC_INCLUDE_DIR.
8250         * gcc.c (process_command): Remove special -BstageN/ handling.
8251         (do_spec_1): Add include-fixed directories.
8252
8253 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
8254
8255         * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
8256         _smulsi3_highpart.
8257         * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
8258         New functions.
8259         * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
8260         patterns.
8261
8262 2007-02-27  Mark Mitchell  <mark@codesourcery.com>
8263
8264         * c-common.c (get_priority): Add check for
8265         SUPPORTS_INIT_PRIORITY.
8266
8267 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
8268
8269         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
8270
8271         * config/bfin/bfin.c: Include "cfglayout.h".
8272         (MAX_LSETUP_DISTANCE): New macro.
8273         (struct loop_info): New members incoming, incoming_src and
8274         incoming_dest.  Delete member predecessor.
8275         (length_for_loop): New function.
8276         (bfin_optimize_loop): Handle more different loop structures.
8277         (bfin_discover_loop): Rework detection of predecessor blocks by
8278         examining incoming edges.
8279         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
8280         bfin_reorg_loops.
8281         (bfin_reorder_loops): New function.
8282         (bfin_reorg_loops): Use these three new functions.
8283
8284         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
8285         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
8286         (CONSTRAINT_LEN): Add entry for 'q'.
8287         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
8288         Add 'q' constraints.
8289         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
8290         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
8291
8292         * config/bfin/bfin.md (add_with_carry): New pattern.
8293         (s_or_u, su_optab, su_modifier): New code macros/attrs.
8294         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
8295         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
8296         support unsigned multiplies too.  Removed incorrect commutativity from
8297         operand 1 constraint where appropriate.
8298         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
8299         patterns.
8300         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
8301         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
8302         New patterns.
8303         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
8304         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
8305         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
8306         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
8307         usmulhisi_hh_huh): New patterns.
8308
8309         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
8310         lshifthi3): Fix output template to use half reg for operand 2.
8311
8312         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
8313         instead of R2.
8314
8315         * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
8316
8317 2007-02-27  Andreas Schwab  <schwab@suse.de>
8318
8319         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
8320
8321 2007-02-27  Jan Hubicka  <jh@suse.cz>
8322
8323         * predict.c (last_basic_block_p): Remove.
8324         (tree_estimate_probability): Update return heuristic for commonized
8325         return blocks.
8326
8327 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
8328
8329         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
8330
8331 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
8332
8333         * doc/include/gcc-common.texi (versionsubtitle): New macro.
8334         * doc/cpp.texi: Standardize title page.
8335         * doc/cppinternals.texi: Likewise.
8336         * doc/gcc.texi: Standardize title page, remove version number
8337         from copyright page.
8338         * doc/gccint.texi: Likewise.
8339         * doc/install.texi: Standardize title page, add table of
8340         contents.
8341
8342 2007-02-26  Jan Hubicka  <jh@suse.cz>
8343
8344         * predict.def: Set outcomes according to more recent results.
8345         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
8346         Remove dead predictors.
8347         * predict.c (return_prediction): Fix pasto.
8348
8349 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
8350
8351         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
8352         change; avoid a memory leak when returning early.
8353
8354 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
8355
8356         * c-decl.c (static_ctors): Move to c-common.c.
8357         (static_dtors): Likewise.
8358         (finish_function): Use c_record_cdtor_fn.
8359         (build_cdtor): Move to c-common.c.
8360         (c_write_global_declarations): Use c_build_cdtor_fns.
8361         * c-common.h (static_ctors): Declare.
8362         (static_dtors): Likewise.
8363         (c_record_cdtor_fn): Likewise.
8364         (c_build_cdtor_fns): Likewise.
8365         * c-common.c (static_ctors): New variable.
8366         (static_dtors): Likewise.
8367         (c_record_cdtor_fn): New function.
8368         (build_cdtor): Move from c-decl.c
8369         (c_build_cdtor_fns): New function.
8370
8371         * output.h (assemble_addr_to_section): Declare.
8372         (get_cdtor_priority_section): Likewise.
8373         * varasm.c (assemble_addr_to_section): New function.
8374         (get_cdtor_priority_section): Likewise.
8375         (default_named_section_asm_out_destructor): Use them.
8376         (destor_dtor_section_asm_out_destructor): Likewise.
8377         (default_named_section_asm_out_constructor): Likewise.
8378         (default_ctor_section_asm_out_constructor): Likewise.
8379         * config.gcc (*-*-vxworks*): Include vxworks.o.
8380         * config/t-vxworks (vxworks.o): New target.
8381         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
8382         (TARGET_ASM_CONSTRUCTOR): Define.
8383         (TARGET_ASM_DESTRUCTOR): Likewise.
8384         (vxworks_asm_out_constructor): Declare.
8385         (vxworks_asm_out_destructor): Likewise.
8386
8387         * c-common.c (get_priority): Check that we have not just an
8388         INTEGER_CST, but an integer constant with integeral type.
8389
8390 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
8391
8392         PR tree-optimization/30938
8393         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
8394         use &dt[nargs-1] instead of &dt[nargs] in the call to
8395         vect_is_simple_use().
8396
8397 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
8398
8399         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
8400         from register elimination as PRE_MODIFY / POST_MODIFY increments.
8401         Do not attempt to handle MEM inside auto-inc expressions.
8402         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
8403         of a register modified by an auto-inc expression.  However, do handle
8404         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
8405         (elimination_effects): Prohibit elimination of a register modified
8406         by an auto-inc expression.  Disable register elimination rules whose
8407         target register is modified by an auto-inc expression with variable
8408         increment.
8409
8410 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
8411
8412         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
8413         off-by-one error.
8414         (array_at_struct_end_p): New function.
8415         (idx_infer_loop_bounds): Use it.
8416         (estimate_numbers_of_iterations_loop): Export.
8417         * predict.c (predict_loops): Use estimated_loop_iterations_int.
8418         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
8419         (tree_estimate_probability): Call record_loop_exits.
8420         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
8421         (estimated_loop_iterations, estimated_loop_iterations_int,
8422         estimated_loop_iterations_tree): New functions.
8423         (analyze_siv_subscript_cst_affine,
8424         compute_overlap_steps_for_affine_1_2,
8425         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
8426         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
8427         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
8428         (PRED_LOOP_ITERATIONS_GUESSED): New.
8429         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
8430         * cfgloop.h (estimate_numbers_of_iterations_loop,
8431         estimated_loop_iterations_int): Declare.
8432
8433 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
8434
8435         * doc/extend.texi: Document optional priority argument to
8436         constructors and destructors.
8437         * tree.c (init_priority_for_decl): Adjust GTY markers.
8438         (init_ttree): Use priority-info hash functions for
8439         init_priority_for_decl.
8440         (tree_map_eq): Rename to ...
8441         (tree_map_base_eq): ... this.
8442         (tree_map_marked_p): Rename to ...
8443         (tree_map_base_marked_p): ... this.
8444         (tree_map_base_hash): New function.
8445         (decl_init_priority_lookup): Rework.
8446         (decl_fini_priority_lookup): New function.
8447         (decl_priority_info): New function.
8448         (decl_init_priority_insert): Use it.
8449         (decl_fini_priority_insert): Likewise.
8450         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
8451         hierarchy.
8452         (decl_restrict_base_insert): Likewise.
8453         (decl_debug_expr_insert): Likewise.
8454         (decl_value_expr_lookup): Likewise.
8455         (decl_value_expr_insert): Likewise.
8456         * tree.h (priority_type): New type.
8457         (decl_init_priority_lookup): Use priority_type.
8458         (decl_fini_priority_lookup): New function.
8459         (decl_init_priority_insert): Use priority_type.
8460         (decl_fini_priority_insert): New function.
8461         (DECL_HAS_INIT_PRIORITY): Tweak comments.
8462         (DECL_INIT_PRIORITY): Likewise.
8463         (SET_DECL_INIT_PRIORITY): Add comment.
8464         (DECL_FINI_PRIORITY): New macro.
8465         (SET_DECL_FINI_PRIORITY): Likewise.
8466         (DEFAULT_INIT_PRIORITY): Document.
8467         (MAX_INIT_PRIORITY): Likewise.
8468         (MAX_RESERVED_INIT_PRIORITY): Likewise.
8469         (tree_map_base): New type.
8470         (tree_map_base_eq): New function.
8471         (tree_map_base_hash): Likewise.
8472         (tree_map_base_marked_p): Likewise.
8473         (tree_map): Inherit from tree_map_base.
8474         (tree_map_eq): Make it a macro.
8475         (tree_map_marked_p): Likewise.
8476         (tree_int_map): Inherit from tree_map_base.
8477         (tree_int_map_eq): Make it a macro.
8478         (tree_int_map_hash): Likewise.
8479         (tree_int_map_marked_p): Likewise.
8480         (tree_priority_map): New type.
8481         (tree_priority_map_eq): New macro.
8482         (tree_priority_map_hash): Likewise.
8483         (tree_priority_map_marked_p): Likewise.
8484         * varasm.c (emults_decl): Adjust for refactoring of tree_map
8485         hierarchy.
8486         (emutls_common_1): Likewise.
8487         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
8488         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
8489         of tree_map hierarchy.
8490         * tree-cfg.c (move_stmt_r): Likewise.
8491         (new_label_mapper): Likewise.
8492         * c-tree.h (c_expand_body): Move to ...
8493         * c-common.h (c_expand_body): ... here.
8494         * c-decl.c (c_expand_body): Move to ...
8495         * c-common.c (c_expand_body): ... here.
8496         (c_common_attribute_table): Allow 1 argument for the constructor
8497         and destructor attributes.
8498         (get_priority): New function.
8499         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
8500         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
8501
8502 2007-02-24  Jan Hubicka  <jh@suse.cz>
8503
8504         PR middle-end/30509
8505         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
8506
8507 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
8508             Jan Hubicka  <jh@suse.cz>
8509
8510         PR target/30778
8511         * i386.c (counter_mode): New function.
8512         (expand_set_or_movmem_via_loop): Use it.
8513         (expand_movmem_epilogue): Likewise; fix pasto.
8514         (ix86_expand_movmem): Do emit guard even for constant counts.
8515         (ix86_expand_setmem): Likewise.
8516
8517 2007-02-25  Nick Clifton  <nickc@redhat.com>
8518
8519         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
8520         (JUMP_TABLES_IN_TEXT_SECTION): Define.
8521
8522 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
8523
8524         PR target/30770
8525         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
8526         count argument with 0x10, not with 0x16.
8527         (expand_setmem_epilogue): Ditto.
8528
8529 2007-02-24  Mike Stump  <mrs@apple.com>
8530
8531         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
8532         symbols.
8533
8534 2007-02-24  Richard Guenther  <rguenther@suse.de>
8535
8536         PR middle-end/30951
8537         * fold-const.c (fold_binary): Fold x +- CST op x for
8538         EQ_EXPR and NE_EXPR.
8539
8540 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8541
8542         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
8543
8544 2007-02-24  Jan Hubicka  <jh@suse.cz>
8545
8546         * cgraphunit.c (decide_is_function_needed): Honor
8547         -fkeep-inline-functions.
8548
8549 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8550
8551         * builtins.c (fold_builtin_modf): New.
8552         (fold_builtin_2): Use it.
8553
8554 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
8555
8556         * loop-iv.c (implies_p): Detect additional cases where A implies B.
8557         (determine_max_iter): Take additional LOOP arg; all callers changed.
8558         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
8559         one using simplifications.
8560         (simplify_using_initial_values): Return if the expression becomes
8561         invalid due to altered regs.
8562
8563 2007-02-23  DJ Delorie  <dj@redhat.com>
8564
8565         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
8566
8567 2007-02-23  Mike Stump  <mrs@apple.com>
8568
8569         * tlink.c (scan_linker_output): Parse linker messages from
8570         darwin9's linker better.
8571
8572 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
8573
8574         PR debug/29614
8575         * varpool.c (varpool_assemble_pending_decls):  Set
8576         varpool_last_needed_node to null.
8577
8578 2007-02-23  DJ Delorie  <dj@redhat.com>
8579
8580         * config/i386/i386.c (ix86_data_alignment): Don't specify an
8581         alignment bigger than the object file can handle.
8582
8583 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
8584
8585         PR target/30825
8586         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
8587         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
8588         (*movsf_1): Penalize MMX moves.
8589
8590 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
8591
8592         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
8593         2^32-1 or more times unless flag_unsafe_loop_optimizations.
8594
8595         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
8596
8597 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8598
8599         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
8600         (fold_builtin_1): Use them.
8601         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
8602         BUILT_IN_SIGNIFICAND.
8603
8604 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
8605
8606         * config/i386/i386.c (bdesc_1arg): Initialize
8607         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
8608         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
8609         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
8610         and IX86_BUILTIN_MOVSLDUP.
8611
8612 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
8613
8614         PR rtl-optimization/30841
8615         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
8616
8617 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8618
8619         * builtins.c (fold_builtin_frexp): New.
8620         (fold_builtin_2): Use it.
8621
8622 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
8623
8624         * doc/invoke.texi (Spec Files): Document getenv spec function.
8625
8626         * gcc.c (getenv_spec_function): New function.
8627         (static_spec_functions): Add it.
8628         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
8629         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
8630         header files.
8631
8632 2007-02-22  Michael Matz  <matz@suse.de
8633
8634         PR c++/29433
8635         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
8636         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
8637
8638 2007-02-22  Ian Lance Taylor  <iant@google.com>
8639
8640         PR debug/30898
8641         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
8642         (mem_loc_descriptor): Call it.
8643
8644 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
8645             Ira Rosen  <irar@il.ibm.com>
8646
8647         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
8648
8649 2007-02-22  Ira Rosen  <irar@il.ibm.com>
8650
8651         PR tree-optimization/30843
8652         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
8653         stores only after all the group is vectorized.
8654
8655 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
8656
8657         PR tree-optimization/30858
8658         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
8659         in the reduction cycle have a single use in the loop.
8660         * tree-vectorizer.h (relevant): Add documentation.
8661
8662 2007-02-20  Mike Stump  <mrs@apple.com>
8663
8664         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
8665         * configure: Regenerate.
8666
8667 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
8668
8669         Change the defaults of some parameters and options.
8670         * config/spu/spu-protos.h (spu_optimization_options): Declare.
8671         * config/spu/spu.c (spu_optimization_options): Add.
8672         (spu_override_options): Change params in spu_optimization_options.
8673         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
8674
8675         Register 127 is only 16 byte aligned when used as a frame pointer.
8676         * config/spu/spu-protos.h (spu_init_expanders): Declare.
8677         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
8678         HARD_FRAME_POINTER_REGNUM.
8679         (spu_legitimate_address):  Use regno_aligned_for_reload.
8680         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
8681         aligned when frame_pointer_needed is true.
8682         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
8683         to 8 bits.
8684         * config/spu/spu.h (INIT_EXPANDERS): Define.
8685
8686         Make sure shift and rotate instructions have valid immediate operands.
8687         * config/spu/predicates.md (spu_shift_operand): Remove.
8688         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
8689         * config/spu/constraints.md (W, O): Extend range.
8690         * config/spu/spu.md (umask, nmask): Define.
8691         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
8692         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
8693         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
8694         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
8695         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
8696         (lshr<mode>3_reg):  Fix rtl description.
8697
8698         Make sure mulhisi immediate operands are valid.
8699         * config/spu/predicates.md (imm_K_operand): Add.
8700         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
8701
8702         Generate constants using fsmbi and andi.
8703         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
8704         (print_operand, spu_split_immediate, classify_immediate,
8705         fsmbi_const_p): Handle IC_FSMBI2.
8706
8707         Correctly handle a CONST_VECTOR containing symbols.
8708         * config/spu/spu.c (print_operand): Handle HIGH correctly.
8709         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
8710         (immediate_load_p): Allow symbols that use 2 instructions to create.
8711         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
8712         with symbols when flag_pic is set.
8713         (const_vector_immediate_p): New.
8714         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
8715         accept a CONST_VECTOR with symbols.
8716         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
8717         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
8718         correctly.
8719         * config/spu/spu.md (high, low): Delete.
8720         (low_<mode>): Define.
8721
8722         Remove INTRmode and INTR_REGNUM, which didn't work.
8723         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
8724         of INTR_REGNUM.
8725         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
8726         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
8727         peephole2 pattern): Don't use INTR or 131.
8728         (movintrcc): Delete.
8729         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
8730         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
8731         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
8732         (UNSPEC_SET_INTR): Add.
8733         * config/spu/spu-modes.def (INTR): Remove.
8734
8735         More accurate warnings about run-time relocations.
8736         * config/spu/spu.c (reloc_diagnostic): Test in_section.
8737
8738         Correctly warn about immediate arguments to specific intrinsics.
8739         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
8740         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
8741         the instruction predicate.
8742
8743         Fix tree check errors with latest update.
8744         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
8745         CALL_EXPR_ARG.
8746         (spu_expand_builtin): Use CALL_EXPR_FN.
8747
8748         Add missing specific intrinsics.
8749         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
8750         si_bislede.
8751         * config/spu/spu_internals.h: Ditto.
8752
8753         Fix incorrect operand modifiers.
8754         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
8755         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
8756
8757         Optimize one case of zero_extend of a vec_select.
8758         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
8759
8760         Accept any immediate for hbr.
8761         * config/spu/spu.md (hbr):  Change s constraints to i.
8762
8763 2007-02-21  Paul Brook  <paul@codesourcery.com>
8764
8765         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
8766         condexec_count when skipping USE and CLOBBER.
8767
8768 2007-02-21  Nick Clifton  <nickc@redhat.com>
8769
8770         * common.opt (Warray-bounds): Add Warning attribute.
8771         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
8772         Likewise.
8773         (fsized-zeroes): Add Optimization attribute.
8774         (fsplit-wide-types, ftree-scev-cprop): Likewise.
8775         * c.opt (Wc++0x-compat): Add Warning attribute.
8776
8777 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
8778
8779         PR middle-end/30761
8780         * reload1.c (eliminate_regs_in_insn): In the single_set special
8781         case, attempt to re-recognize the insn before falling back to
8782         having reload fix it up.
8783
8784 2007-02-20  Eric Christopher  <echristo@gmail.com>
8785
8786         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
8787         Rewrite accordingly.
8788         (frv_read_iacc_argument): Ditto.
8789         (frv_expand_set_builtin): Take a call instead of arglist, update for
8790         above changes.
8791         (frv_expand_unop_builtin): Ditto.
8792         (frv_expand_binop_builtin): Ditto.
8793         (frv_expand_cut_builtin): Ditto.
8794         (frv_expand_binopimm_builtin): Ditto.
8795         (frv_expand_voidbinop_builtin): Ditto.
8796         (frv_expand_int_void2arg): Ditto.
8797         (frv_expand_prefetches): Ditto.
8798         (frv_expand_voidtriop_builtin): Ditto.
8799         (frv_expand_voidaccop_builtin): Ditto.
8800         (frv_expand_load_builtin): Ditto.
8801         (frv_expand_store_builtin): Ditto.
8802         (frv_expand_mdpackh_builtin): Ditto.
8803         (frv_expand_mclracc_builtin): Ditto.
8804         (frv_expand_mrdacc_builtin): Ditto.
8805         (frv_expand_mwtacc_builtin): Ditto.
8806         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
8807         calls for above.
8808
8809 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
8810
8811         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
8812         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
8813         cmpb instruction.
8814         (HAVE_GAS_DFP): Check for assembler support of decimal floating
8815         point instructions.
8816         * configure: Regenerate.
8817         * config.in: Regenerate.
8818         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
8819         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
8820         masks to power6 and power6x and to POWERPC_MASKS.
8821         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
8822         _ARCH_PWR6.
8823         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
8824         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
8825         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
8826         Access PROTOTYPE as variable, not mask.
8827
8828 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
8829
8830         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
8831         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
8832         * combine.c (adjust_for_new_dest): Use it.
8833         * postreload.c (reload_combine): Likewise.
8834
8835 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
8836
8837         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
8838         notes on an insn with multiple sets, even if single_set returns
8839         non-NULL for that insn.
8840
8841 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8842
8843         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
8844         scalbn and scalbln.
8845
8846 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
8847
8848         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
8849         if user didn't pass it.
8850         * config/i386/darwin.h (CC1_SPEC): Likewise.
8851         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
8852         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
8853         -mmacosx-version-min.
8854
8855 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8856             Uros Bizjak  <ubizjak@gmail.com>
8857
8858         * optabs.h (enum optab_index): Add new OTI_scalb.
8859         (scalb_optab): Define corresponding macro.
8860         * optabs.c (init_optabs): Initialize scalb_optab.
8861         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
8862         patterns.
8863         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
8864         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
8865         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
8866         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
8867         flag_unsafe_math_optimizations is set.
8868
8869         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
8870         to implement scalbf, scalb and scalbl built-ins as inline x87
8871         intrinsics.
8872
8873 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8874             DJ Delorie <dj@redhat.com>
8875
8876         PR other/30824
8877         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
8878         (diagnostic_report_diagnostic): ... here, and turn them into real
8879         errors. If warnings are inhibited, no need to do anything.
8880
8881 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
8882
8883         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
8884         better code generation.
8885
8886 2007-02-20  Ben Elliston  <bje@au.ibm.com>
8887
8888         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
8889
8890 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
8891
8892         * config/alpha/alpha.c, config/alpha/alpha.md,
8893         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
8894         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
8895         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
8896         config/arm/lib1funcs.asm: Follow spelling conventions.
8897
8898         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
8899         config/fr30/fr30.md, config/i386/i386.h,
8900         config/iq2000/iq2000.h, config/iq2000/predicates.md,
8901         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
8902         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
8903         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
8904         config/rs6000/altivec.md, config/rs6000/rs6000.c,
8905         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
8906         config/sparc/sparc.c, config/sparc/sparc.h,
8907         config/sparc/sparc.md, config/spu/constraints.md,
8908         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
8909         conventions.
8910
8911 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
8912
8913         PR target/29943
8914         * varasm.c (use_blocks_for_decl_p): Return false for decls with
8915         alias attribute.
8916
8917 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
8918
8919         * doc/invoke.texi (-ftree-lrs): Remove.
8920
8921 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
8922
8923         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
8924         NULL.
8925
8926 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
8927
8928         * config/ia64/ia64.c (ia64_expand_builtin): Use the
8929         new CALL_EXPR_FN macro for retrieving the function
8930         declaration of the input expression.
8931
8932 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
8933
8934         * c.opt (Waddress): New.
8935         * common.opt (Walways-true): Delete.
8936         (Wstring-literal-comparison): Delete.
8937         * doc/invoke.texi (Warning Options): Delete -Walways-true and
8938         -Wstring-literal-comparison. Add -Waddress.
8939         (Waddress): New.
8940         (Walways-true): Delete.
8941         (Wstring-literal-comparison): Delete.
8942         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
8943         consistently instead of -Walways-true in example.
8944         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
8945         * c-typeck.c (parser_build_binary_op): Replace
8946         -Wstring-literal-comparison and -Walways-true with -Waddress.
8947         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
8948         with -Waddress.
8949
8950 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
8951
8952         * tree-cfg.c (dump_function_to_file): Be prepared for functions
8953         without DECL_STRUCT_FUNCTION initialized.
8954
8955 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
8956
8957         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
8958         due to calls to functions taking pointers as parameters.
8959
8960 2007-02-19  Richard Henderson  <rth@redhat.com>
8961
8962         PR debug/29558
8963         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
8964         in memory.
8965
8966 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
8967
8968         * config/s390/s390.c (s390_call_saved_register_used,
8969         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
8970         accessed to the new scheme.
8971
8972 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
8973
8974         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
8975         (cris_print_index, cris_print_operand, cris_print_operand_address)
8976         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
8977         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
8978         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
8979         GET_CODE () == xxx.
8980         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
8981         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
8982         GO_IF_LEGITIMATE_ADDRESS): Ditto.
8983         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
8984         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
8985         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
8986         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
8987         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
8988         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
8989         (uminsi3, call, call_value): Ditto.
8990         (define_split: indir_to_reg_split, unnamed): Ditto.
8991
8992 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
8993
8994         PR tree-optimization/30975
8995         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
8996         wrong assert.
8997
8998 2007-02-18  Eric Christopher  <echristo@gmail.com>
8999
9000         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
9001         Remove use of arglist.
9002         (mips_expand_builtin): Remove use of arglist, pass in expr.
9003         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
9004         (mips_expand_builtin_movtf): Ditto.
9005         (mips_expand_builtin_compare): Ditto.
9006
9007 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
9008
9009         * tree-sra.c (sra_build_assignment): Replace assertion
9010         checking with a comment explaining why it can't be done.
9011
9012 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
9013
9014         PR middle-end/30833
9015         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
9016         during CALL_EXPR representation conversion.
9017         * tree-ssa-propagate.c (set_rhs): Likewise.
9018
9019 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
9020
9021         * tree-sra.c (sra_build_assignment): Disable assertion checking
9022         for now.
9023
9024 2007-02-18  Roger Sayle  <roger@eyesopen.com>
9025
9026         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
9027         instead of calling build2 with a GIMPLE_MODIFY_STMT.
9028         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
9029         Likewise.
9030         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
9031         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
9032         gimplify_init_ctor_eval_range, gimple_push_cleanup,
9033         gimplify_omp_for, gimplify_omp_atomic_pipeline,
9034         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
9035         force_gimple_operand): Likewise.
9036         * ipa-cp.c (constant_val_insert): Likewise.
9037         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
9038         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
9039         perfect_nestify): Likewise.
9040         * langhooks.c (lhd_omp_assignment): Likewise.
9041         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
9042         lower_copyprivate_clauses, lower_send_clauses,
9043         lower_send_shared_vars, expand_parallel_call,
9044         expand_omp_for_generic, expand_omp_for_static_nochunk,
9045         expand_omp_for_static_chunk, expand_omp_sections,
9046         lower_omp_single_copy, lower_omp_for_lastprivate,
9047         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
9048         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
9049         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
9050         Likewise.
9051
9052 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
9053
9054         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
9055         config/sh/sh.md: Follow spelling conventions.
9056
9057         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
9058         config/frv/predicates.md: Follow spelling conventions.
9059
9060         * config/m68k/linux-unwind.h: Fix a comment typo.
9061         * target.h: Follow spelling conventions.
9062
9063 2007-02-18  Roger Sayle  <roger@eyesopen.com>
9064
9065         PR rtl-optimization/28173
9066         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
9067         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
9068         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
9069         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
9070         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
9071
9072 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9073
9074         * builtins.c (fold_builtin_load_exponent): New.
9075         (fold_builtin_2): Use it.
9076
9077 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
9078
9079         PR rtl-optimization/30773
9080         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
9081         if we fail to attach a REG_EQUIV note.
9082
9083 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
9084             Roger Sayle  <roger@eyesopen.com>
9085
9086         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
9087
9088 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
9089
9090         * calls.c (initialize_argument_information): Pass original EXP
9091         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
9092         code to split complex arguments here, as part of initializing the
9093         ARGS array.
9094         (expand_call): Remove code that builds a list of arguments and
9095         inserts implicit arguments into it.  Instead, just count how many
9096         implicit arguments there will be so we can determine the size of
9097         the ARGS array, and let initialize_argument_information do the work.
9098         (split_complex_values): Delete unused function.
9099
9100 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
9101
9102         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
9103
9104 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
9105
9106         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
9107         for arg pointer based indexed addressing.
9108
9109 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
9110
9111         * config/ia64/ia64.h, config/ia64/ia64.md,
9112         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
9113         spelling conventions.
9114
9115 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
9116
9117         * config/m68k/m68k.c (split_di): New.
9118         * config/m68k/m68k-protos.h: Declare split_di.
9119         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
9120           Improve predicate handling and split constant shifts.
9121
9122 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
9123
9124         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
9125         parameter for register bitfield operations, general predicates
9126         cleanup
9127
9128 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
9129
9130         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
9131         * config/m68k/linux-unwind.h: New file.
9132
9133 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
9134
9135         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
9136         config/i386/athlon.md, config/ia64/ia64.md,
9137         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
9138         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
9139         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
9140         tree-ssa-loop-niter.c, tree-vect-analyze.c,
9141         tree-vect-transform.c: Fix comment typos.
9142
9143 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
9144
9145         * sched-deps.c (find_insn_list): Remove.
9146         * sched-int.h: Remove the prototype for find_insn_list.
9147
9148 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
9149
9150         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
9151         to linker.
9152         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
9153         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
9154         darwin_rs6000_override_options.
9155         (C_COMMON_OVERRIDE_OPTIONS): Expect
9156         darwin_macosx_version_min to be non-NULL always.
9157         (TARGET_C99_FUNCTIONS): Likewise.
9158         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
9159         (DARWIN_MINVERSION_SPEC): New.
9160         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
9161         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
9162         to cc1*.
9163         (DARWIN_MINVERSION_SPEC): New.
9164         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
9165         value.
9166         * config/darwin-c.c (darwin_cpp_builtins): Expect
9167         darwin_macosx_version_min to be non-NULL always.
9168
9169         * config/rs6000/rs6000.c: Clean up trailing whitespace.
9170
9171 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
9172
9173         * config/i386/i386.h (x86_use_xchgb): New.
9174         (TARGET_USE_XCHGB): New macro.
9175         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
9176         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
9177         Split after reload into bswaphi for shifts of 8.
9178         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
9179         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
9180         or when optimizing for size.
9181
9182 2007-02-16  Richard Guenther  <rguenther@suse.de>
9183             Christian Bruel  <christian.bruel@st.com>
9184
9185         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
9186         DECLs but prefer SSA_NAMEs over DECLs.
9187
9188 2007-02-16  Richard Guenther  <rguenther@suse.de>
9189
9190         * tree-flow-inline.h (single_imm_use_p): Remove.
9191         (zero_imm_uses_p): Likewise.
9192         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
9193         instead of single_imm_use_p.
9194         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
9195         zero_imm_uses_p.
9196
9197 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
9198
9199         PR other/27843
9200         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
9201         nested double- and backquotes.
9202
9203 2007-02-15  Roger Sayle  <roger@eyesopen.com>
9204
9205         PR middle-end/30391
9206         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
9207         should be unreachable.
9208         (build2_stat): Allow construction of MODIFY_EXPR at any time.
9209         For the time being redirect GIMPLE_MODIFY_STMT to the new
9210         (renamed) build_gimple_modify_stmt_stat.
9211         (build2_gimple_stat): Rename to...
9212         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
9213         Always build a GIMPLE_MODIFY_STMT node.
9214         * tree.h (build2_gimple, build2_gimple_stat): Delete.
9215         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
9216         declarations.
9217
9218         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
9219         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
9220         * tree-complex.c (set_component_ssa_name, expand_complex_move,
9221         expand_complex_div_wide): Likewise.
9222         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
9223         * tree-ssa-loop-im.c (schedule_sm): Likewise.
9224         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
9225         * tree-ssa-loop-manip.c (create_iv): Likewise.
9226         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
9227         abs_replacement): Likewise.
9228         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
9229         realify_fake_stores): Likewise.
9230
9231         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
9232         node rather than a GIMPLE_MODIFY_STMT node.
9233         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
9234         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
9235         Likewise.
9236         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
9237         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
9238         GIMPLE_MODIFY_STMT.
9239
9240 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9241
9242         PR middle-end/30433
9243         * fold-const.c (fold_comparison): Add back the
9244         folding of constant complex comparisions.
9245
9246 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
9247
9248         PR middle-end/30729
9249         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
9250         effects unknown to this function, return early.
9251
9252 2007-02-15  Ian Lance Taylor  <iant@google.com>
9253
9254         * lower-subreg.c (move_eh_region_note): New static function.
9255         (resolve_simple_move): Call it.
9256         (decompose_multiword_subregs): Track blocks for which we resolve a
9257         simple move which is also a control flow insn.  Pass them to
9258         find_many_sub_basic_blocks.
9259         (pass_lower_subreg): Add TODO_verify_flow.
9260         (pass_lower_subreg2): Likewise.
9261
9262 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
9263             Brooks Moses  <brooks.moses@codesourcery.com>
9264             Lee Millward  <lee.millward@codesourcery.com>
9265
9266         * tree.h (enum tree_code_class): Add tcc_vl_exp.
9267         (VL_EXP_CLASS_P): New.
9268         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
9269         TREE_CODE_LENGTH.
9270         (TREE_OPERAND_CHECK_CODE): Likewise.
9271         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
9272         (TREE_RTL_OPERAND_CHECK): Likewise.
9273         (tree_operand_check_failed): Make second parameter the whole tree
9274         instead of its code.  Fixed callers.
9275         (VL_EXP_CHECK): New.
9276         (TREE_OPERAND_LENGTH): New.
9277         (VL_EXP_OPERAND_LENGTH): New.
9278         (CALL_EXPR_FN): New.
9279         (CALL_EXPR_STATIC_CHAIN): New.
9280         (CALL_EXPR_ARGS): New.
9281         (CALL_EXPR_ARG): New.
9282         (call_expr_nargs): New.
9283         (CALL_EXPR_ARGP): New.
9284         (build_nt_call_list): Declare.
9285         (build_vl_exp_stat): Declare.
9286         (build_vl_exp): New.
9287         (build_call_list): Declare.
9288         (build_call_nary): Declare.
9289         (build_call_valist): Declare.
9290         (build_call_array): Declare.
9291         (call_expr_arg): Declare.
9292         (call_expr_argp): Declare.
9293         (call_expr_arglist): Declare.
9294         (fold_build_call_list): Declare.
9295         (fold_build_call_list_initializer): Declare.
9296         (fold_call_expr): Declare to replace fold_builtin.
9297         (fold_builtin_fputs): Update to agree with modified definition.
9298         (fold_builtin_strcpy): Likewise.
9299         (fold_builtin_strncpy): Likewise.
9300         (fold_builtin_memory_chk): Likewise.
9301         (fold_builtin_stxcpy_chk): Likewise.
9302         (fold_builtin_strncpy_chk): Likewise.
9303         (fold_builtin_next_arg): Likewise.
9304         (fold_build_call_expr): Declare.
9305         (fold_builtin_call_list): Declare.
9306         (fold_builtin_call_valist): Declare.
9307         (build_call_expr): Declare.
9308         (validate_arglist): Update to agree with modified definition.
9309         (tree_operand_length): New.
9310         (call_expr_arg_iterator): New.
9311         (init_call_expr_arg_iterator): New.
9312         (next_call_expr_arg): New.
9313         (first_call_expr_arg): New.
9314         (more_call_expr_args_p): New.
9315         (FOR_EACH_CALL_EXPR_ARG): New.
9316
9317         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
9318         and tcc_gimple_stmt.
9319         (tree_code_size): Update documentation.  Use sizeof (tree) rather
9320         than sizeof (char *).
9321         (tree_size): Likewise.  Add case for tcc_vl_exp.
9322         (tree_node_structure): Add case for tcc_vl_exp.
9323         (contains_placeholder_p): Likewise.
9324         (substitute_in_expr): Likewise.
9325         (substitute_placeholder_in_expr): Likewise.
9326         (stabilize_reference_1): Likewise.
9327         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
9328         to diagnose breakage of this interface for constructing CALL_EXPRs.
9329         (build_nt): Add similar assertion here.
9330         (build_nt_call_list): New.
9331         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
9332         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
9333         TREE_CODE_LENGTH.
9334         (get_callee_fndecl): Use new CALL_EXPR accessors.
9335         (tree_operand_check_failed): Change parameters to pass entire node
9336         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
9337         (process_call_operands): New.
9338         (build_vl_exp_stat): New.
9339         (build_call_list): New.
9340         (build_call_nary): New.
9341         (build_call_valist): New.
9342         (build_call_array): New.
9343         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9344         (call_expr_arglist): New.
9345
9346         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
9347         tcc_vl_exp instead of a fixed-size tcc_expression.
9348
9349         * doc/c-tree.texi (CALL_EXPR): Document new representation and
9350         accessors for CALL_EXPRs.
9351         (AGGR_INIT_EXPR): Likewise.
9352
9353 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
9354             Brooks Moses  <brooks.moses@codesourcery.com>
9355             Lee Millward  <lee.millward@codesourcery.com>
9356
9357         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
9358         (expand_builtin_nonlocal_goto): Change parameter to be entire
9359         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
9360         (expand_builtin_prefetch): Likewise.
9361         (expand_builtin_classify_type): Likewise.
9362         (mathfn_built_in): Return NULL_TREE instead of 0.
9363         (expand_errno_check): Use new CALL_EXPR accessors.
9364         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
9365         Return NULL_RTX instead of 0.
9366         (expand_builtin_mathfn_2): Likewise.
9367         (expand_builtin_mathfn_3): Likewise.
9368         (expand_builtin_interclass_mathfn): Likewise.
9369         (expand_builtin_sincos): Likewise.
9370         (expand_builtin_cexpi): Likewise.
9371         (expand_builtin_int_roundingfn): Likewise.
9372         (expand_builtin_int_roundingfn_2): Likewise.
9373         (expand_builtin_pow): Likewise.
9374         (expand_builtin_powi): Likewise.
9375         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
9376         of arglist, fixing callers appropriately.  Use new CALL_EXPR
9377         accessors and constructors.  Return NULL_RTX instead of 0.
9378         (expand_builtin_strstr): Likewise.
9379         (expand_builtin_strchr): Likewise.
9380         (expand_builtin_strrchr): Likewise.
9381         (expand_builtin_strpbrk): Likewise.
9382         (expand_builtin_memcpy): Likewise.
9383         (expand_builtin_mempcpy): Likewise.
9384         (expand_builtin_mempcpy_args): New.
9385         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
9386         (expand_builtin_memmove_args): New.
9387         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
9388         (expand_movstr): Likewise.
9389         (expand_builtin_strcpy): Likewise.
9390         (expand_builtin_strcpy_args): New.
9391         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
9392         (expand_builtin_strncpy): Likewise.
9393         (expand_builtin_memset): Likewise.
9394         (expand_builtin_memset_args): New.
9395         (expand_builtin_bzero): Similarly to expand_builtin_memset.
9396         (expand_builtin_memcmp): Likewise.
9397         (expand_builtin_strcmp): Likewise.
9398         (expand_builtin_strncmp): Likewise.
9399         (expand_builtin_strcat): Likewise.
9400         (expand_builtin_strncat): Likewise.
9401         (expand_builtin_strspn): Likewise.
9402         (expand_builtin_strcspn): Likewise.
9403         (expand_builtin_args_info): Likewise.
9404         (expand_builtin_va_start): Likewise.
9405         (gimplify_va_arg_expr): Likewise.
9406         (expand_builtin_va_end): Likewise.
9407         (expand_builtin_va_copy): Likewise.
9408         (expand_builtin_frame_address): Likewise.
9409         (expand_builtin_alloca): Likewise.
9410         (expand_builtin_bswap): Likewise.
9411         (expand_builtin_unop): Likewise.
9412         (expand_builtin_fputs): Likewise.
9413         (expand_builtin_expect): Likewise.
9414         (expand_builtin_fabs): Likewise.
9415         (expand_builtin_copysign): Likewise.
9416         (expand_builtin_printf): Likewise.
9417         (expand_builtin_fprintf): Likewise.
9418         (expand_builtin_sprintf): Likewise.
9419         (expand_builtin_init_trampoline): Likewise.
9420         (expand_builtin_signbit): Likewise.
9421         (expand_builtin_fork_or_exec): Likewise.
9422         (expand_builtin_sync_operation): Likewise.
9423         (expand_builtin_compare_and_swap): Likewise.
9424         (expand_builtin_lock_test_and_set): Likewise.
9425         (expand_builtin_lock_release): Likewise.
9426         (expand_builtin): Likewise.
9427         (builtin_mathfn_code): Likewise.
9428
9429         (fold_builtin_constant_p): Pass call arguments individually instead
9430         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
9431         accessors and constructors.  Return NULL_TREE instead of 0.
9432         (fold_builtin_expect): Likewise.
9433         (fold_builtin_classify_type): Likewise.
9434         (fold_builtin_strlen): Likewise.
9435         (fold_builtin_nan): Likewise.
9436         (integer_valued_real_p): Likewise.
9437         (fold_trunc_transparent_mathfn): Likewise.
9438         (fold_fixed_mathfn): Likewise.
9439         (fold_builtin_cabs): Likewise.
9440         (fold_builtin_sqrt): Likewise.
9441         (fold_builtin_cbrt): Likewise.
9442         (fold_builtin_cos): Likewise.
9443         (fold_builtin_cosh): Likewise.
9444         (fold_builtin_tan): Likewise.
9445         (fold_builtin_sincos): Likewise.
9446         (fold_builtin_cexp): Likewise.
9447         (fold_builtin_trunc): Likewise.
9448         (fold_builtin_floor): Likewise.
9449         (fold_builtin_ceil): Likewise.
9450         (fold_builtin_round): Likewise.
9451         (fold_builtin_int_roundingfn): Likewise.
9452         (fold_builtin_bitop): Likewise.
9453         (fold_builtin_bswap): Likewise.
9454         (fold_builtin_logarithm): Likewise.
9455         (fold_builtin_hypot): Likewise.
9456         (fold_builtin_pow): Likewise.
9457         (fold_builtin_powi): Likewise.
9458         (fold_builtin_exponent): Likewise.
9459         (fold_builtin_memset): Likewise.
9460         (fold_builtin_bzero): Likewise.
9461         (fold_builtin_memory_op): Likewise.
9462         (fold_builtin_bcopy): Deleted; call site changed to invoke
9463         fold_builtin_memory_op directly.
9464         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
9465         (fold_builtin_strncpy): Likewise.
9466         (fold_builtin_memcmp): Likewise.
9467         (fold_builtin_strcmp): Likewise.
9468         (fold_builtin_strncmp): Likewise.
9469         (fold_builtin_signbit): Likewise.
9470         (fold_builtin_copysign): Likewise.
9471         (fold_builtin_isascii): Likewise.
9472         (fold_builtin_toascii): Likewise.
9473         (fold_builtin_isdigit): Likewise.
9474         (fold_builtin_fabs): Likewise.
9475         (fold_builtin_abs): Likewise.
9476         (fold_builtin_fmin_fmax): Likewise.
9477         (fold_builtin_carg): Likewise.
9478         (fold_builtin_classify): Likewise.
9479         (fold_builtin_unordered_cmp): Likewise.
9480
9481         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
9482         New functions split out from fold_builtin_1.
9483         (fold_builtin_n): New.
9484         (fold_builtin_varargs): New.
9485         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
9486         instead.
9487         (fold_call_expr): New.
9488         (build_function_call_expr): Rewrite to use new helper function.
9489         (fold_builtin_call_list): New.
9490         (build_call_expr): New.
9491         (fold_builtin_call_valist): New.
9492         (rewrite_call_expr): New.
9493         (validate_arg): New.
9494         (validate_arglist): Change parameter to be entire CALL_EXPR instead
9495         of an arglist.  Change return type to bool.  Use new CALL_EXPR
9496         accessors.
9497
9498         (fold_builtin_strstr):  Pass call arguments individually instead
9499         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
9500         accessors and constructors.  Return NULL_TREE instead of 0.
9501         (fold_builtin_strchr): Likewise.
9502         (fold_builtin_strrchr): Likewise.
9503         (fold_builtin_strpbrk): Likewise.
9504         (fold_builtin_strcat): Likewise.
9505         (fold_builtin_strncat): Likewise.
9506         (fold_builtin_strspn): Likewise.
9507         (fold_builtin_strcspn): Likewise.
9508         (fold_builtin_fputs): Likewise.
9509         (fold_builtin_next_arg): Likewise.
9510         (fold_builtin_sprintf): Likewise.
9511
9512         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
9513         NULL_RTX instead of 0.
9514         (expand_builtin_memory_chk): Likewise.
9515         (maybe_emit_chk_warning): Likewise.
9516         (maybe_emit_sprintf_chk_warning): Likewise.
9517
9518         (fold_builtin_object_size): Pass call arguments individually instead
9519         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
9520         accessors and constructors.  Return NULL_TREE instead of 0.
9521         (fold_builtin_memory_chk): Likewise.
9522         (fold_builtin_stxcpy_chk): Likewise.
9523         (fold_builtin_strncpy_chk): Likewise.
9524         (fold_builtin_strcat_chk): Likewise.
9525         (fold_builtin_strcat_chk): Likewise.
9526         (fold_builtin_strncat_chk): Likewise.
9527         (fold_builtin_sprintf_chk): Likewise.
9528         (fold_builtin_snprintf_chk): Likewise.
9529         (fold_builtin_printf): Likewise.
9530         (fold_builtin_vprintf): Likewise.
9531
9532         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
9533         constructors.
9534         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
9535         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9536         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
9537         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
9538         (fold_unary): Likewise.
9539         (fold_binary): Likewise.
9540         (fold_ternary): Remove CALL_EXPR case, since they are no longer
9541         ternary expressions.
9542         (fold): Add logic for tcc_vl_exp.
9543         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
9544         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9545         (fold_build3_stat): Add assertion to flag broken interface for
9546         constructing CALL_EXPRs.
9547         (fold_build_call_list): New.
9548         (fold_build_call_list_initializer): New.
9549         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
9550         constructors.
9551         (fold_strip_sign_ops): Likewise.
9552
9553 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
9554             Brooks Moses  <brooks.moses@codesourcery.com>
9555             Lee Millward  <lee.millward@codesourcery.com>
9556
9557         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
9558         accessors and dump arguments explicitly.
9559
9560         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
9561         TREE_CODE_LENGTH.
9562         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
9563         explicitly.
9564         (print_call_name): Use new CALL_EXPR accessors.
9565
9566         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
9567         CALL_EXPR arguments explicitly instead of as a list.  Use
9568         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9569
9570         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
9571         (vrp_visit_stmt): Likewise.
9572
9573         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
9574         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
9575         TREE_CODE_LENGTH.
9576         (force_move_till_expr): Likewise.
9577
9578         * targhooks.c (default_external_stack_protect_fail): Use
9579         build_call_expr instead of build_function_call_expr.
9580         (default_hidden_stack_protect_fail): Likewise.
9581
9582         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
9583         build the call.
9584
9585         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
9586         and walk arguments explicitly.
9587
9588         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
9589         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9590         (expand_simple_operations): Likewise.
9591         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
9592
9593         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
9594         of TREE_CODE_LENGTH.
9595         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
9596
9597         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
9598         instead of TREE_CODE_LENGTH.
9599
9600         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
9601         (tree_ic_transform): Likewise.
9602         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
9603         parameter instead of arglist.  Fix callers.
9604         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
9605         (tree_stringops_transform): Likewise.
9606         (tree_indirect_call_to_profile): Likewise.
9607         (tree_stringops_values_to_profile): Likewise.
9608
9609         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
9610         (eliminate_tail_call): Likewise.
9611
9612         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
9613
9614         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
9615         Use TREE_OPERAND_LENGTH and generalize to handle any number of
9616         operands.
9617         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
9618
9619         * omp-low.c (build_omp_barrier): Use build_call_expr.
9620         (lower_rec_input_clauses): Likewise.
9621         (lower_reduction_clauses): Likewise.
9622         (expand_parallel_call): Likewise.
9623         (maybe_catch_exception): Likewise.
9624         (expand_omp_for_generic): Likewise.
9625         (expand_omp_for_static_nochunk): Likewise.
9626         (expand_omp_sections): Likewise.
9627         (lower_omp_single_simple): Likewise.
9628         (lower_omp_single_copy): Likewise.
9629         (lower_omp_master): Likewise.
9630         (lower_omp_ordered): Likewise.
9631         (lower_omp_critical): Likewise.
9632
9633         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
9634         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
9635
9636         * tree-gimple.c (is_gimple_call_addr): Fix doc.
9637         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
9638         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
9639
9640         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
9641         and generalize to handle any number of operands.
9642         (chrec_contains_undetermined): Likewise.
9643         (tree_contains_chrecs): Likewise.
9644         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
9645
9646         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
9647
9648         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
9649         fold_call_expr instead of fold_builtin.
9650         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
9651         match declarations there.
9652         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
9653         updates.
9654
9655         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
9656         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9657
9658         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
9659         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
9660
9661         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
9662         accessors.
9663
9664         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
9665         (execute_cse_sincos): Use new CALL_EXPR accessors.
9666
9667         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
9668
9669         * gimple-low.c (lower_function_body): Use build_call_expr.
9670         (lower_builtin_setjmp): Likewise.
9671
9672         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
9673         (set_storage_via_libcall): Likewise.
9674         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
9675         instead of TREE_CODE_LENGTH.
9676         (expand_expr_real_1): Use new CALL_EXPR accessors.
9677
9678         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
9679         generalize to handle any number of operands.
9680         (TB_parent_eq): Likewise.
9681
9682         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
9683         (strip_builtin_expect): Likewise.
9684
9685         * function.c (gimplify_parameters): Use build_call_expr.
9686
9687         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
9688         instead of TREE_CODE_LENGTH.
9689
9690         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
9691         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
9692
9693         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
9694         iterators.
9695
9696         * gimplify.c (build_stack_save_restore): Use build_call_expr.
9697         (gimplify_decl_expr): Likewise.
9698         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
9699         Use new CALL_EXPR iterators.
9700         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
9701         (gimplify_modify_expr_to_memset): Likewise.
9702         (gimplify_variable_sized_compare): Likewise.
9703         (gimplify_omp_atomic_fetch_op): Likewise.
9704         (gimplify_omp_atomic_pipeline): Likewise.
9705         (gimplify_omp_atomic_mutex): Likewise.
9706         (gimplify_function_tree): Likewise.
9707
9708         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
9709         (call_expr_flags): Likewise.
9710         (expand_call): Likewise.
9711
9712         * except.c (expand_builtin_eh_return_data_regno): Pass entire
9713         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
9714         accessors.
9715
9716         * coverage.c (create_coverage): Use build_call_expr.
9717
9718         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
9719         (temp_call_expr_obstack): New.
9720         (pool_copy_list): Delete.
9721         (temp_copy_call_expr): New.
9722         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
9723         CALL_EXPR accessors.  Get rid of special goo for copying argument
9724         lists and use temp_copy_call_expr instead.
9725         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
9726         CALL_EXPR accessors.
9727         (create_expression_by_pieces): Likewise.  Use build_call_array
9728         to construct the result instead of fold_build3.
9729         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
9730         dealing with argument lists.
9731         (init_pre): Remove references to expression_node_pool and
9732         list_node_pool.  Init temp_call_expr_obstack instead.
9733         (fini_pre): Remove references to expression_node_pool and
9734         list_node_pool.
9735
9736         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
9737         and walk arguments explicitly instead of as a list.
9738
9739         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
9740         (mx_register_decls): Likewise.
9741         (mudflap_register_call): Likewise.
9742         (mudflap_finish_file): Likewise.
9743
9744         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
9745         (ipa_callsite_compute_param): Likewise.
9746
9747         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
9748         accessors and constructor.
9749
9750         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
9751         accessors and constructor.
9752         (convert_tramp_reference): Likewise.
9753         (convert_call_expr): Likewise.
9754         (finalize_nesting_tree_1): Likewise.
9755
9756         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
9757         accessors.
9758
9759         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
9760
9761         * tree-inline.c (initialize_inlined_parameters): Pass entire
9762         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
9763         accessors.
9764         (estimate_num_insns_1): Use new CALL_EXPR accessors.
9765         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
9766
9767         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
9768         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9769         (vectorizable_reduction): Likewise.
9770         (vectorizable_call): Use new CALL_EXPR iterators.
9771         (vectorizable_conversion): Use build_call_expr.
9772         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
9773         (vect_gen_widened_results_half): Use build_call_expr.
9774         (vect_setup_realignment): Likewise.
9775         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
9776
9777         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
9778         (pass_through_call): Likewise.
9779         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
9780         fold_builtin.
9781
9782         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
9783         (tree_gen_pow2_profiler): Likewise.
9784         (tree_gen_one_value_profiler): Likewise.
9785         (tree_gen_ic_func_profiler): Likewise.
9786         (tree_gen_average_profiler): Likewise.
9787         (tree_gen_ior_profiler): Likewise.
9788
9789         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
9790         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
9791         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
9792
9793         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
9794         of TREE_CODE_LENGTH.
9795
9796         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
9797         of TREE_CODE_LENGTH.
9798
9799         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
9800         constructor.
9801         (convert_to_integer): Likewise.
9802
9803         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
9804         accessors.
9805
9806 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
9807             Brooks Moses  <brooks.moses@codesourcery.com>
9808             Lee Millward  <lee.millward@codesourcery.com>
9809
9810         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
9811         accessors.
9812         * config/frv/frv.c (frv_expand_builtin): Likewise.
9813         * config/s390/s390.c (s390_expand_builtin): Likewise.
9814
9815         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
9816         (sparc_expand_builtin): Use new CALL_EXPR accessors.
9817
9818         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
9819         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
9820         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
9821         (ix86_expand_store_builtin): Likewise.
9822         (ix86_expand_unop_builtin): Likewise.
9823         (ix86_expand_unop1_builtin): Likewise.
9824         (ix86_expand_sse_compare): Likewise.
9825         (ix86_expand_sse_comi): Likewise.
9826         (ix86_expand_vec_init_builtin): Likewise.
9827         (ix86_expand_vec_ext_builtin): Likewise.
9828         (ix86_expand_vec_set_builtin): Likewise.
9829         (ix86_expand_builtin): Use new CALL_EXPR accessors.
9830
9831         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
9832         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
9833
9834         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
9835         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
9836         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
9837
9838         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
9839         build_call_expr.
9840         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
9841         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
9842         arglist.  Use new CALL_EXPR accessors.  Fix callers.
9843         (altivec_expand_abs_builtin): Likewise.
9844         (rs6000_expand_binop_builtin): Likewise.
9845         (altivec_expand_predicate_builtin): Likewise.
9846         (altivec_expand_lv_builtin): Likewise.
9847         (spe_expand_stv_builtin): Likewise.
9848         (altivec_expand_stv_builtin): Likewise.
9849         (rs6000_expand_ternop_builtin): Likewise.
9850         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
9851         (altivec_expand_st_builtin): Likewise.
9852         (altivec_expand_dst_builtin): Likewise.
9853         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
9854         arglist.  Use new CALL_EXPR accessors.  Fix callers.
9855         (altivec_expand_vec_set_builtin): Likewise.
9856         (altivec_expand_vec_ext_builtin): Likewise.
9857         (altivec_expand_builtin): Use new CALL_EXPR accessors.
9858         (spe_expand_builtin): Likewise.
9859         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
9860         arglist.  Use new CALL_EXPR accessors.  Fix callers.
9861         (spe_expand_evsel_builtin): Likewise.
9862         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
9863         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
9864
9865         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
9866         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
9867         (arm_expand_unop_builtin): Likewise.
9868         (arm_expand_builtin): Use new CALL_EXPR accessors.
9869
9870         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
9871         accessors.
9872
9873         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
9874         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
9875         (bfin_expand_unop_builtin): Likewise.
9876         (bfin_expand_builtin): Use new CALL_EXPR accessors.
9877
9878 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
9879             Brooks Moses  <brooks.moses@codesourcery.com>
9880             Lee Millward  <lee.millward@codesourcery.com>
9881
9882         * c-semantics.c (build_stmt): Add internal diagnostic check.
9883
9884         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
9885         accessors.  Print arguments explicitly instead of as a list.
9886
9887         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
9888
9889         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
9890         (c_finish_omp_flish): Likewise.
9891
9892         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
9893         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
9894         instead of TREE_CODE_LENGTH.
9895         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
9896         (c_warn_unused_result): Likewise.
9897
9898 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9899
9900         PR c/26494
9901         * doc/invoke.texi (Warning Options): Remove
9902         -Werror-implicit-function-declaration.
9903         (Wimplicit-function-declaration): Update description.
9904         * opts.c (common_handle_option): Move handling of -Werror=* to...
9905         (enable_warning_as_error): ...here.
9906         * opts.h (enable_warning_as_error): Declare.
9907         * c-decl.c (implicit_decl_warning): Unless
9908         -Wno-implicit-function-declaration is given, emit a pedwarn if
9909         -std=c99 or emit a warning if -Wimplicit-function-declaration.
9910         * c.opt (Wimplicit-function-declaration): Replace
9911         mesg_implicit_function_declaration with
9912         warn_implicit_function_declaration.
9913         * c-opts.c (c_common_handle_option):
9914         -Werror-implicit-function-declaration is exactly equal as
9915         -Werror=implicit-function-declaration.
9916         (set_Wimplicit): Replace mesg_implicit_function_declaration with
9917         warn_implicit_function_declaration.
9918         (c_common_post_options): -Wimplict-function-declaration is enabled
9919         by default by -std=c99, otherwise is disabled by default.
9920         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
9921
9922 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
9923
9924         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
9925         DECL on the rhs to a DECL on the lhs for debug info purposes if the
9926         former is ignored but not the latter.
9927
9928 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
9929
9930         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
9931         is made and the reference doesn't use the alias set of its type,
9932         do not create the temporary using that type.
9933
9934 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
9935
9936         * jump.c: Remove prototypes for delete_computation and
9937         delete_prior_computation.
9938
9939 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
9940
9941         * jump.c (get_label_after): Delete.
9942         (get_label_before, delete_computation, delete_jump,
9943         delete_prior_computation, follow_jumps): Move...
9944         * reorg.c (delete_computation, delete_prior_computation): ... here...
9945         (get_label_before, delete_jump): ... making these static ...
9946         (follow_jumps): ... and simplifying this since it only runs after
9947         reload.
9948         * rtl.h (get_label_after, get_label_before, delete_jump,
9949         follow_jumps): Delete prototypes.
9950
9951 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
9952
9953         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
9954
9955 2007-02-15  Nick Clifton  <nickc@redhat.com>
9956
9957         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
9958         order to prevent it from being munged by the target.
9959
9960 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
9961
9962         * config/i386/i386.md: Remove misleading comment.
9963
9964 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
9965
9966         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
9967         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
9968         invalid patterns.
9969
9970 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
9971
9972         * tree-sra.c (instantiate_missing_elements): Canonicalize
9973         bit-field types.
9974         (sra_build_assignment): New.
9975         (generate_copy_inout, generate_element_copy,
9976         generate_element_zero, generate_one_element_init): Use it.
9977
9978 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
9979
9980         * tree-sra.c (instantiate_missing_elements): Canonicalize
9981         bit-field types.
9982         (sra_build_assignment): New.
9983         (generate_copy_inout, generate_element_copy,
9984         generate_element_zero, generate_one_element_init): Use it.
9985
9986 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
9987
9988         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
9989         limbo die nodes.
9990
9991 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
9992
9993         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
9994         types as aggregates not scalars.
9995         * function.c (assign_stack_temp_for_type): Likewise.
9996
9997 2007-02-14  Roger Sayle  <roger@eyesopen.com>
9998             Zdenek Dvorak  <dvorakz@suse.cz>
9999
10000         * tree-dump.c (dump_switch_p_1): Require exact match of the option
10001         name.
10002
10003 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
10004
10005         * passes.c (next_pass_1): Clear the next field of the copied
10006         pass structure.
10007
10008 2007-02-14  Richard Henderson  <rth@redhat.com>
10009
10010         * tree-sra.c (early_sra): New.
10011         (decl_can_be_decomposed_p): Deny va_list if early_sra.
10012         (tree_sra_early, pass_sra_early): New.
10013         * tree-pass.h (pass_sra_early): Declare.
10014         * passes.c (init_optimization_passes): Use it.
10015
10016 2007-02-14  Richard Guenther  <rguenther@suse.de>
10017
10018         * flags.h (issue_strict_overflow_warning): Convert to a macro.
10019
10020 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
10021
10022          PR tree-optimization/30771
10023         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
10024         also phi nodes.
10025         (vect_analyze_operations): Induction phis can now be marked as
10026         used_in_loop.
10027         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
10028         Update documentation accordingly.
10029
10030 2007-02-14  Nick Clifton  <nickc@redhat.com>
10031
10032         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
10033         most 3 arguments are supported.
10034         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
10035
10036 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
10037
10038         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
10039         Ensure dst->current is valid.
10040
10041 2007-02-13  Paul Brook  <paul@codesourcery.com>
10042
10043         * config.gcc: Add arm*-*-uclinux-*eabi.
10044         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
10045         (SUBTARGET_EXTRA_LINK_SPEC): Define.
10046         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
10047         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
10048         (LINK_SPEC): Define.
10049         (LIB_SPEC): Define.
10050         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
10051         register.
10052         * config/arm/uclinux-eabi.h: New file.
10053         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
10054         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
10055         based targets.
10056
10057 2007-02-13  Ian Lance Taylor  <iant@google.com>
10058
10059         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
10060         * flags.h (warn_strict_overflow): Declare.
10061         (enum warn_strict_overflow_code): Define.
10062         (issue_strict_overflow_warning): New static inline function.
10063         * opts.c (warn_strict_overflow): New variable.
10064         (common_handle_option): Handle OPT_Wstrict_overflow and
10065         OPT_Wstrict_overflow_.
10066         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
10067         OPT_Wall.
10068         * fold-const.c: Include intl.h.
10069         (fold_deferring_overflow_warnings): New static variable.
10070         (fold_deferred_overflow_warning): New static variable.
10071         (fold_deferred_overflow_code): New static variable.
10072         (fold_defer_overflow_warnings): New function.
10073         (fold_undefer_overflow_warnings): New function.
10074         (fold_undefer_and_ignore_overflow_warnings): New function.
10075         (fold_deferring_overflow_warnings_p): New function.
10076         (fold_overflow_warning): New static function.
10077         (make_range): Add strict_overflow_p parameter.  Change all
10078         callers.
10079         (extract_muldiv, extract_muldiv_1): Likewise.
10080         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
10081         tree_expr_nonnegative_p.
10082         (fold_negate_expr): Call fold_overflow_warning.
10083         (fold_range_test): Likewise.
10084         (fold_comparison): Likewise.
10085         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
10086         instead of tree_expr_nonnegative_p.
10087         (tree_expr_nonnegative_warnv_p): Rename from
10088         tree_expr_nonnegative_p, add strict_overflow_p parameter.
10089         (tree_expr_nonnegative_p): New function.
10090         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
10091         strict_overflow_p parameter.
10092         (tree_expr_nonzero_p): New function.
10093         * passes.c (verify_interpass_invariants): New static function.
10094         (execute_one_pass): Call it.
10095         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
10096         warnings.
10097         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
10098         (estimate_numbers_of_iterations): Likewise.
10099         (scev_probably_wraps_p): Likewise.
10100         * tree-ssa-ccp.c: Include "toplev.h".
10101         (evaluate_stmt): Defer fold overflow warnings until we know we are
10102         going to optimize.
10103         (struct fold_stmt_r_data): Add stmt field.
10104         (fold_stmt_r): Defer fold overflow warnings until we know we
10105         optimized.
10106         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
10107         (fold_stmt_inplace): Likewise.
10108         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
10109         (cleanup_control_expr_graph): Defer fold overflow warnings until
10110         we know we are going to optimize.
10111         * tree-cfg.c (fold_cond_expr_cond): Likewise.
10112         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
10113         Likewise.
10114         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
10115         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
10116         * tree-ssa-loop-manip.c (create_iv): Likewise.
10117         * c-typeck.c (build_conditional_expr): Likewise.
10118         (build_binary_op): Likewise.
10119         * tree-vrp.c (vrp_expr_computes_nonzero): Call
10120         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
10121         (extract_range_from_unary_expr): Likewise.
10122         * simplify-rtx.c (simplify_const_relational_operation): Warn when
10123         assuming that signed overflow does not occur.
10124         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
10125         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
10126         (fold_defer_overflow_warnings): Declare.
10127         (fold_undefer_overflow_warnings): Declare.
10128         (fold_undefer_and_ignore_overflow_warnings): Declare.
10129         (fold_deferring_overflow_warnings_p): Declare.
10130         (tree_expr_nonzero_warnv_p): Declare.
10131         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
10132         of warning options.
10133         (Warning Options): Document -Wstrict-overflow.
10134         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
10135         (tree-ssa-ccp.o): Likewise.
10136         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
10137         (fold-const.o): Depend on intl.h.
10138
10139 2007-02-13  Ian Lance Taylor  <iant@google.com>
10140
10141         PR middle-end/30751
10142         * lower-subreg.c (resolve_simple_move): Decompose subregs in
10143         addresses.
10144
10145 2007-02-13  Stuart Hastings  <stuart@apple.com>
10146
10147         * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
10148
10149 2007-02-13  Richard Henderson  <rth@redhat.com>
10150
10151         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
10152         handled_component_p before looking for the indirect_ref.
10153
10154 2007-02-13  Richard Henderson  <rth@redhat.com>
10155
10156         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
10157         remove flags clobber.
10158         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
10159         (bswaphi_lowpart): New.
10160         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
10161         remove TARGET_BSWAP test.  Delete expander of the same name.
10162
10163         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
10164         (expand_unop): Use them.
10165
10166 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
10167
10168         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
10169         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
10170         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
10171         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
10172         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
10173         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
10174         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
10175         assembler dialect choice from asm templates.
10176
10177 2007-02-12  Richard Henderson  <rth@redhat.com>
10178
10179         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
10180         (fixuns_trunc<SSEMODEF>si2): Use it.
10181         * config/i386/sse.md (vec_setv4sf_0): Export.
10182         * config/i386/i386.c (ix86_build_const_vector): Export.
10183         (ix86_split_convert_uns_si_sse): Rename from
10184         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
10185         * config/i386/i386-protos.h: Update.
10186
10187 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10188
10189         PR c/29521
10190         * c-typeck.c (c_finish_return): Improve warning message.
10191
10192 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10193
10194         * alias.c (find_symbolic_term): Delete unused function.
10195
10196 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
10197
10198         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
10199         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
10200         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
10201
10202 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
10203
10204         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
10205         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
10206         the function, temporarily point the debug interface to the null one.
10207
10208 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
10209
10210         * dwarf2out.c (round_up_to_align): New static function.
10211         (field_byte_offset): Use it to round the offset.
10212
10213 2007-02-12  Richard Henderson  <rth@redhat.com>
10214
10215         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
10216         (inswl_const): Export.
10217
10218 2007-02-12  Richard Henderson  <rth@redhat.com>
10219
10220         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
10221         result mode of the libcall, convert back to outmode.
10222
10223 2007-02-12  Roger Sayle  <roger@eyesopen.com>
10224
10225         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
10226         (bswapdi2): New define_expand to implement 32-bit implementation.
10227
10228 2007-02-12  Nick Clifton  <nickc@redhat.com>
10229
10230         * doc/invoke.texi (Overall Options): Document --help=.
10231         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
10232         (cc1_options): Pass --help= on to cc1.
10233         (display_help): Add description of --help=.
10234         (process_command): Add code to handle --help=.  Allow translated
10235         --help and --target-help switches to be passed on to compiler
10236         sub-process.
10237         (main): Remove unused if statement.
10238         * opts.c (columns): Remove.
10239         (LEFT_COLUMN): Define.
10240         (wrap_help): Add columns argument.
10241         (print_filtered_help): Change parameters to be an include bitmask,
10242         an exclude bitmask, an any bitmask and the column width.  Move the
10243         code to display the params list here.  Add code to display the
10244         status of options rather than their descriptions if the quiet flag
10245         is not active.
10246         (print_specific_help): Change parameters to be an include bitmask,
10247         an exclude bitmask and an any bitmask.  Move code to look up the
10248         column width here.  Decide upon the title for an options listing.
10249         (common_handle_options): Add code to handle --help=.  Adapt code
10250         for --help and --target-help to use the revised form of the
10251         print_specific_help function.
10252         (print_help): Delete.
10253         (print_param_help): Delete.
10254         (print_switch): Delete.
10255         * opts.h (cl_lang_count): Add prototype.
10256         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
10257         CL_MAX_OPTION_CLASS): New defines.
10258         * optc-gen.awk: Add construction of cl_lang_count.
10259         * c.opt: Add Warning attribute to warning options and Optimization
10260         attribute to optimization options.
10261         * common.opt: Likewise.
10262         Add --help=.
10263         Add -fhelp and -ftarget-help as aliases for the transformed --help
10264         and --target-help options.
10265         * opt-functions.awk: Add code to handle Warning and Optimization
10266         attributes.
10267
10268 2007-02-12  Richard Henderson  <rth@redhat.com>
10269
10270         * config/alpha/constraints.md: New file.
10271         * config/alpha/alpha.c: Include tm-constrs.h.
10272         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
10273         alpha_extra_constraint): Remove.
10274         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
10275         * config/alpha/alpha-protos.h: Update.
10276         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
10277         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
10278         (EXTRA_CONSTRAINT): Remove.
10279         * config/alpha/alpha.md: Include constraints.md.
10280         (adddi splitter): Use satisfies_constraint_*.
10281         * config/alpha/predicates.md (add_operand): Likewise.
10282         (sext_add_operand, addition_operation): Likewise.
10283
10284 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
10285
10286         PR tree-optimization/29145
10287         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
10288         in our handling of restrict qualified pointers.
10289
10290 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10291
10292         PR middle-end/7651
10293         * doc/invoke.texi (Wunused-value): Update description.
10294         (Wextra): Delete item.
10295         * opts.c (set_Wextra): Don't use the value of Wextra to set the
10296         value of Wunused-value.
10297         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
10298         (c_finish_stmt_expr): Don't check extra_warnings.
10299         (emit_side_effect_warnings): The caller is responsible to check
10300         warn_unused_value.
10301
10302 2007-02-11  Roger Sayle  <roger@eyesopen.com>
10303             Matt Thomas  <matt@3am-software.com>
10304
10305         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
10306
10307 2007-02-11  Roger Sayle  <roger@eyesopen.com>
10308
10309         * simplify-rtx.c (simplify_relational_operation_1): Optimize
10310         comparisons of POPCOUNT against zero.
10311         (simplify_const_relational_operation): Likewise.
10312
10313 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10314
10315         * doc/invoke.texi (Wextra): Delete outdated paragraph.
10316
10317 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10318
10319         * dwarf2out.c (root_type): Delete unused function.
10320
10321 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10322
10323         * genattrtab.c (contained_in_p): Delete unused function.
10324         (write_expr_attr_cache): Likewise.
10325
10326 2007-02-11  Jan Hubicka  <jh@suse.cz>
10327
10328         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
10329         previous patch.
10330
10331 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
10332
10333         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
10334         to add the REG_EQ* note.
10335         * see.c (see_merge_one_use_extension): Likewise.
10336         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
10337         turn REG_EQUAL notes into REG_EQUIV notes if the target
10338         register may have more than one set.
10339         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
10340         * gcse.c (try_replace_reg): Likewise.
10341         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
10342         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
10343         more than one REG_EQUIV note.
10344         * reload1.c (gen_reload): Use set_unique_reg_note.
10345
10346 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
10347
10348         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
10349         (ix86_builtin_conversion): New function.
10350
10351 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
10352
10353         PR target/29487
10354         * tree.h (DECL_REPLACEABLE_P): New macro.
10355         * except.c (set_nothrow_function_flags): Likewise.
10356
10357 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
10358             Ira Rosen  <irar@il.ibm.com>
10359             Dorit Nuzman  <dorit@il.ibm.com>
10360
10361         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
10362         * targhooks.c (default_builtin_vectorized_conversion): New.
10363         * targhooks.h (default_builtin_vectorized_function): New declaration.
10364         * target.h (struct vectorize): Add builtin_conversion field.
10365         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
10366         stmt_vec_info_type value.
10367         (vectorizable_conversion): New declaration.
10368         * tree-vect-analyze.c (vect_analyze_operations): Add
10369         vectorizable_conversion call.
10370         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
10371         * tree-vect-transform.c (vectorizable_conversion): New function.
10372         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
10373         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
10374         mode.
10375         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
10376         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
10377         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
10378         or ALTIVEC_BUILTIN_VCFSX.
10379
10380 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10381
10382         PR target/30634
10383         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
10384         CONST_DOUBLE and operand 0 is a hard register.
10385         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
10386         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
10387         is a hard floating-point register.
10388
10389 2007-02-10  Richard Henderson  <rth@redhat.com>
10390             Jakub Jelinek  <jakub@redhat.com>
10391             Alexandre Oliva  <aoliva@redhat.com>
10392
10393         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
10394         * builtin-types.def (BT_WORD): Make unsigned.
10395         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
10396         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
10397         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
10398         * c-decl.c (grokdeclarator): Don't error if !have_tls.
10399         * c-parser.c (c_parser_omp_threadprivate): Likewise.
10400         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
10401         emulated tls.
10402         * expr.c (emutls_var_address): New.
10403         (expand_expr_real_1): Expand emulated tls.
10404         (expand_expr_addr_expr_1): Likewise.
10405         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
10406         * output.h (emutls_finish): Declare.
10407         * toplev.c (compile_file): Call it.
10408         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
10409         address before wrapping in CONST.
10410         * varasm.c (emutls_htab, emutls_object_type): New.
10411         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
10412         (get_emutls_object_name, get_emutls_object_type): New.
10413         (get_emutls_init_templ_addr, emutls_decl): New.
10414         (emutls_common_1, emutls_finish): New.
10415         (assemble_variable): When emulating tls, swap decls; generate
10416         constructor for the emutls objects.
10417         (do_assemble_alias): When emulating tls, swap decl and target name.
10418         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
10419         for emulated tls.
10420         * varpool.c (decide_is_variable_needed): Look at force_output.
10421         Recurse for emulated tls.
10422         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
10423         with decide_is_variable_needed.
10424         * emutls.c: New file.
10425         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
10426         tls_object for real tls.
10427
10428 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
10429
10430         PR rtl-optimization/29599
10431         * reload1.c (eliminate_regs_in_insn): Take the destination
10432         mode into account when computing the offset.
10433
10434 2007-02-09  Stuart Hastings  <stuart@apple.com>
10435             Richard Henderson  <rth@redhat.com>
10436
10437         * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
10438         * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
10439         * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
10440         fixuns_truncdfhi2): New.
10441         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
10442         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
10443         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
10444         (floatunssidf2): Allow nonimmediate source.
10445         * config/i386/sse.md (movdi_to_sse): New.
10446         (vec_concatv2di): Drop '*'.
10447         * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
10448         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
10449         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
10450         New.
10451         * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
10452         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
10453         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
10454         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
10455         (ix86_build_signbit_mask): Fix decl of v, refactor to call
10456         ix86_build_const_vector.
10457         (x86_emit_floatuns): Rewrite.
10458
10459 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
10460
10461         * genautomata.c (longest_path_length): Delete unused function.
10462         (struct state): Delete unused longest_path_length.
10463         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
10464         (get_free_state): Delete unused.
10465
10466 2007-02-09  Jan Hubicka  <jh@suse.cz>
10467
10468         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
10469         * doc/invoke.texi (inline-unit-growth): Update default value.
10470
10471         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
10472         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
10473         (rebuild_cgraph_edges): Likewise.
10474         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
10475         (dump_cgraph_node): Dump frequencies.
10476         (cgraph_clone_edge): Add frequency scales.
10477         (cgraph_clone_node): Add freuqnecy.
10478         * cgraph.h (cgraph_edge): Add freuqnecy argument.
10479         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
10480         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
10481         * tree-pass.h (TODO_rebuild_frequencies): New constant.
10482         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
10483         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
10484         (save_inline_function_body): Likewise.
10485         * ipa-inline.c: inluce rtl.h
10486         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
10487         (cgraph_edge_badness): Use frequencies.
10488         (cgraph_decide_recursive_inlining): Update clonning.
10489         (cgraph_decide_inlining_of_small_function): Dump frequency.
10490         * predict.c (estimate_bb_frequencies): Export.
10491         * predict.h (estimate_bb_frequencies): Declare.
10492         * tree-inline.c (copy_bb): Watch overflows.
10493         (expand_call_inline): Update call of cgraph_create_edge.
10494         (optimize_inline_calls): Use TODO flags to update frequnecies.
10495         * passes.h: Include predict.h
10496         (init_optimization_passes): Move profile ahead.
10497         (execute_function_todo): Handle TODO_rebuild_frequencies.
10498
10499 2007-02-09  Roger Sayle  <roger@eyesopen.com>
10500
10501         * config/alpha/alpha.c (emit_insxl): Force the first operand of
10502         the insbl or inswl pattern into a register.
10503
10504 2007-02-09  Roger Sayle  <roger@eyesopen.com>
10505
10506         * config/ia64/ia64.md (bswapdi2): New define_insn.
10507
10508 2007-02-09  Richard Henderson  <rth@redhat.com>
10509
10510         * config/i386/constraints.md (Ym): New constraint.
10511         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
10512         (movdi_1_rex64): Split sse and xmm general register moves from
10513         memory move alternatives.  Use conditional register constraints.
10514         (movsf_1, movdf_integer): Likewise.
10515         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
10516         (movdf_integer_rex64): New.
10517         (pushsf_rex64): Fix output constraints.
10518         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
10519         (sse2_stored): Likewise.
10520         (sse2_storeq_rex64): New.
10521         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
10522         amd and not generic.
10523         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
10524         for optimize_size.  Remove SF/DFmode hack.
10525
10526 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
10527
10528         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
10529         (bit_SSE4a): New.
10530
10531 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
10532             Richard Sandiford  <richard@codesourcery.com>
10533
10534         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
10535         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
10536         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
10537         m68k/t-mlib to tmake_file.
10538         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
10539         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
10540         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
10541         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
10542         variable is not empty, add t-$m68k_arch_family to tmake_file.
10543         Add t-mlibs to tmake_file.
10544         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
10545         * config/m68k/t-cf: New file.
10546         * config/m68k/t-m68k: Likewise.
10547         * config/m68k/t-mlibs: Likewise.
10548         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
10549         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
10550         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
10551         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
10552         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
10553         Delete.
10554         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
10555         (INSTALL_LIBGCC): Delete.
10556         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
10557         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
10558         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
10559         (M68K_MLIB_CPU): Define.
10560         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
10561         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
10562         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
10563
10564 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
10565             Richard Guenther  <rguenther@suse.de>
10566
10567         PR middle-end/23361
10568         * fold-const.c (fold_comparison): Handle obfuscated comparisons
10569         against INT_MIN/INT_MAX.
10570         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
10571         file if a loop is removed.
10572
10573 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
10574
10575         * calls.c (store_one_arg): Pass correct alignment to
10576         emit_push_insn for non-BLKmode values.
10577         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
10578         unaligned stack slot via a suitably aligned slot.
10579
10580 2007-02-08  DJ Delorie  <dj@redhat.com>
10581
10582         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
10583         warnings.
10584         (legal_subregs): Use unsigned char, make const.
10585         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
10586
10587 2007-02-08  Paul Brook  <paul@codesourcery.com>
10588
10589         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
10590         special interworking needed.
10591
10592 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
10593
10594         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
10595         conditional to __SSE2__.
10596         (Entries below should have been added to first ChangeLog
10597         entry for amdfam10 dated 2007-02-05)
10598         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
10599         defined.
10600         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
10601         defined.
10602         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
10603         defined.
10604
10605 2007-02-08  DJ Delorie  <dj@redhat.com>
10606
10607         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
10608         * config/m32c/m32c.c (legal_subregs): New.
10609         (m32c_illegal_subreg_p): New.
10610         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
10611         unsupported subregs of hard regs.
10612
10613 2007-02-08  Jan Hubicka  <jh@suse.cz>
10614
10615         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
10616         the same one; always update histograms.
10617
10618 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
10619
10620         * passes.c (init_optimization_passes): Tidy comment.
10621
10622 2007-02-08  Roger Sayle  <roger@eyesopen.com>
10623
10624         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
10625         strip zero_extend, bswap and rotates from POCOUNT's argument.
10626         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
10627         zero_extend and rotates from PARITY's argument.
10628         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
10629         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
10630         of an integer constant at compile-time.
10631
10632 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
10633
10634         PR 30562
10635         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
10636         Update all users.
10637         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
10638         users.
10639         (init_alias_info):
10640         * tree-ssa-live.c (remove_unused_locals): Do not remove
10641         TREE_ADDRESSABLE variables.
10642         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
10643         * tree-ssa-operands.c (add_virtual_operand): Remove argument
10644         FOR_CLOBBER.  Update all users.
10645         If VAR has an associated alias set, add a virtual operand for
10646         it if no alias is found to conflict with the memory reference.
10647
10648 2007-02-07  Jan Hubicka  <jh@suse.cz>
10649             Robert Kidd <rkidd@crhc.uiuc.edu>
10650
10651         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
10652
10653 2007-02-07  Ian Lance Taylor  <iant@google.com>
10654
10655         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
10656
10657 2007-02-07  Roger Sayle  <roger@eyesopen.com>
10658
10659         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
10660         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
10661         tablejumpdi, movsi_to_cr_one): Remove constraints from
10662         define_expand's match_operands.
10663
10664 2007-02-07  Roger Sayle  <roger@eyesopen.com>
10665
10666         * global.c (compute_regsets): Move declatation of "i" inside of
10667         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
10668
10669 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
10670
10671         PR c++/30703
10672         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
10673         of INDIRECT_REF <RESULT_DECL>.
10674
10675         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
10676
10677 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
10678             Kaz Kojima  <kkojima@gcc.gnu.org>
10679
10680         PR target/29746
10681         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
10682         properly.
10683         (sh_initialize_trampoline): Add parentheses to avoid a warning.
10684
10685 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
10686
10687         * doc/loop.texi: Document possibility not to perform disambiguation
10688         of loops with multiple latches.
10689         * cfgloopmanip.c (alp_enum_p): Removed.
10690         (add_loop): Handle subloops.  Use get_loop_body_with_size.
10691         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
10692         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
10693         the new forwarder block.
10694         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
10695         Handle the case latch is NULL.
10696         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
10697         when marking loop exits.
10698         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
10699         be modified.
10700         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
10701         disambiguate_loops_with_multiple_latches.
10702         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
10703         before fix_loop_structure.
10704         * cfgloop.c: Include pointer-set.h and output.h.
10705         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
10706         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
10707         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
10708         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
10709         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
10710         disambiguate_multiple_latches, get_loop_body_with_size,
10711         disambiguate_loops_with_multiple_latches): New functions.
10712         (flow_loop_dump): Dump multiple latch edges.
10713         (flow_loop_nodes_find): Handle loops with multiple latches.
10714         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
10715         (glb_enum_p): Modified.
10716         (get_loop_body): Use get_loop_body_with_size.
10717         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
10718         (AVOID_CFG_MODIFICATIONS): New constant.
10719         (disambiguate_loops_with_multiple_latches, add_loop,
10720         get_loop_body_with_size): Declare.
10721         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
10722
10723 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
10724
10725         PR inline-asm/28686
10726         * global.c (compute_regsets): New function.
10727         (global_alloc): Refactored ELIMINABLE_REGSET
10728         and NO_GLOBAL_ALLOC_REGS computation out.
10729         (rest_of_handle_global_alloc): Call compute_regsets()
10730         for non-optimizing case.
10731
10732 2007-02-06  Richard Henderson  <rth@redhat.com>
10733
10734         * config/i386/constraints.md (Y2): Rename from Y.
10735         (Yi): New constraint.
10736         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
10737         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
10738         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
10739         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
10740         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
10741         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
10742         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
10743         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
10744         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
10745         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
10746         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
10747         vec_extractv2si_1): Change Y constraints to Y2.
10748         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
10749         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
10750         Change Y constraints to Y2.
10751         (sse2_loadld): Change Y constraints to x.
10752
10753 2007-02-06  Roger Sayle  <roger@eyesopen.com>
10754
10755         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
10756         (parity<mode>2): New define_expand using rs6000_emit_parity.
10757         * config/rs6000/rs6000.c (rs6000_emit_popcount,
10758         rs6000_emit_parity): New functions.
10759         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
10760         rs6000_emit_parity): Prototype here.
10761
10762 2007-02-06  Ian Lance Taylor  <iant@google.com>
10763
10764         * lower-subreg.c (simple_move_operand): Reject CONST.
10765         (resolve_clobber): Call validate_change rather than directly
10766         assigning to XEXP (pat, 0).
10767
10768 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
10769
10770         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
10771         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
10772         (tree-cfg.o): Remove hashtab.h dependency.
10773
10774         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
10775         (struct ivopts_data): Change niters to pointer_map_t.
10776         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
10777         (niter_for_exit): Create pointer_map on demand.  Change for
10778         pointer_map API.
10779         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
10780         (free_loop_data): Destroy data->niters if created and reset field.
10781         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
10782         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
10783
10784         * tree-ssa-reassoc.c: Include pointer-set.h.
10785         (bb_rank): Change to long *.
10786         (operand_rank): Change to pointer_map_t.
10787         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
10788         (insert_operand_rank): Accept long.
10789         (operand_entry_hash, operand_entry_eq): Remove.
10790         (get_rank): Return long.  Adjust for changes above.
10791         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
10792         and operand_rank.
10793         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
10794
10795         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
10796         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
10797         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
10798         is not NULL.
10799         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
10800         directly since it cannot be NULL.
10801         (get_vi_for_tree): Rewrite for pointer_map API.
10802         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
10803         (init_alias_vars): Create vi_for_tree as pointer_map.
10804         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
10805
10806         * tree-cfg.c: Don't include hashtab.h.
10807         (edge_to_cases): Declare as pointer_map.
10808         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
10809         Delete.
10810         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
10811         (start_recording_case_labels): Create edge_to_cases as pointer_map.
10812         (end_recoding_case_labels): Cleanup edge_to_cases manually before
10813         destroying it.
10814         (record_switch_edge): Delete.
10815         (get_cases_for_edge): Adjust for pointer_map API, inline
10816         record_switch_edge (rewritten for new API), remove goto.
10817
10818 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
10819
10820         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
10821         * tree-nested.c: Include pointer-set.h.
10822         (var_map_elt, var_map_eq, var_map_hash): Delete.
10823         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
10824         to pointer_map_t's.
10825         (nesting_info_bitmap_obstack): New.
10826         (lookup_field_for_decl): Adjust for pointer_map API.
10827         (lookup_tramp_for_decl): Adjust for pointer_map API.
10828         (get_nonlocal_debug_decl): Adjust for pointer_map API.
10829         (get_local_debug_decl): Adjust for pointer_map API.
10830         (convert_nl_goto_reference): Adjust for pointer_map API.
10831         (convert_nl_goto_receiver): Adjust for pointer_map API.
10832         (create_nesting_tree): Create outside GGC space.  Create bitmap on
10833         the new obstack.  Create field_map and var_map as pointer_maps.
10834         (free_nesting_tree): Adjust for changes to create_nesting_tree.
10835         (root): Delete.
10836         (lower_nested_functions): Move root here, no need to NULL it.
10837         Initialize and release the obstack.
10838
10839 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
10840
10841         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
10842         Remove prototypes and make them non-static.
10843         (struct tree_int_map): Remove.
10844         * tree.h (struct tree_int_map): Move here, turning TO into an
10845         unsigned int.
10846         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
10847
10848         * tree.h (TREE_COMPLEXITY): Remove.
10849         (struct tree_exp): Remove complexity field.
10850         * tree.c (build1_stat): Don't set it.
10851
10852 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
10853             Victor Kaplansky  <victork@il.ibm.com>
10854
10855         * tree-vectorizer.c (vect_is_simple_use): Support induction.
10856         (vect_is_simple_reduction): Support reduction with induction as
10857         one of the operands.
10858         (vect_is_simple_iv_evolution): Fix formatting.
10859         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
10860         formatting.  Don't mark induction phis for vectorization.
10861         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
10862         * tree-vect-transform.c (get_initial_def_for_induction): New function.
10863         (vect_get_vec_def_for_operand): Support induction.
10864         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
10865         induction case.
10866         (vectorizable_reduction): Support reduction with induction as one of
10867         the operands.
10868         (vectorizable_type_demotion): Use def-type of stmt argument rather
10869         than dummy def-type.
10870
10871         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
10872         flag_tree_scev_cprop.
10873         * common.opt (tree-scev-cprop): New flag.
10874
10875         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
10876         call to vect_get_new_vect_var.
10877
10878 2007-02-06  Ira Rosen  <irar@il.ibm.com>
10879
10880         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
10881         vectype is not NULL.
10882         (vect_pattern_recog_1): Likewise.
10883
10884 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10885
10886         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
10887         (fold_negate_expr): Likewise.
10888
10889 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
10890
10891         PR debug/30189
10892         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
10893         even if cv-qualification is the same.
10894
10895 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
10896
10897         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
10898         __enable_execute_stack on completion.
10899
10900 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10901
10902         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
10903         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
10904         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
10905         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
10906         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
10907         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
10908         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
10909         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
10910
10911 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10912
10913         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
10914         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
10915         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
10916         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
10917         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
10918         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
10919         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
10920         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
10921         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
10922         umuldi3_highpart_rex64, umulsi3_highpart_insn,
10923         umulsi3_highpart_zext, smuldi3_highpart_rex64,
10924         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
10925         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
10926         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
10927         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
10928         sqrtextenddfxf2_i387): Added amdfam10_decode.
10929
10930         * config/i386/athlon.md (athlon_idirect_amdfam10,
10931         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
10932         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
10933         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
10934         athlon_ivector_store_amdfam10): New define_insn_reservation.
10935         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
10936         amdfam10.
10937
10938 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10939
10940         * config/i386/athlon.md (athlon_call_amdfam10,
10941         athlon_pop_amdfam10, athlon_lea_amdfam10): New
10942         define_insn_reservation.
10943         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
10944         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
10945         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
10946
10947 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10948
10949         * config/i386/athlon.md (athlon_sseld_amdfam10,
10950         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
10951         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
10952
10953 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10954
10955         * config/i386/athlon.md (athlon_sseins_amdfam10): New
10956         define_insn_reservation.
10957         * config/i386/i386.md (sseins): Added sseins to define_attr type
10958         and define_attr unit.
10959         * config/i386/sse.md: Set type attribute to sseins for insertq
10960         and insertqi.
10961
10962 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10963
10964         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
10965         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
10966         ssecomi_load_amdfam10, ssecomi_amdfam10,
10967         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
10968         define_insn_reservation.
10969         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
10970
10971 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10972
10973         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
10974         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
10975         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
10976         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
10977         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
10978         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
10979         define_insn_reservation.
10980
10981         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
10982         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
10983         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
10984         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
10985         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
10986
10987 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10988
10989         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
10990         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
10991         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
10992         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
10993         athlon_ssemul_load_k8): Added amdfam10.
10994
10995 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
10996
10997         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
10998         (x86_sse_unaligned_move_optimal): New variable.
10999
11000         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
11001         m_AMDFAM10.
11002         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
11003         for unaligned vector SSE double/single precision loads for AMDFAM10.
11004
11005 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11006
11007         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
11008         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
11009         Define TARGET_CPU_DEFAULT_amdfam10.
11010         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
11011         (processor_type): Add PROCESSOR_AMDFAM10.
11012
11013         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
11014         processor_type in config/i386/i386.h.
11015         Enable imul peepholes for TARGET_AMDFAM10.
11016
11017         * config.gcc: Add support for --with-cpu option for amdfam10.
11018
11019         * config/i386/i386.c (amdfam10_cost): New variable.
11020         (m_AMDFAM10): New macro.
11021         (m_ATHLON_K8_AMDFAM10): New macro.
11022         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
11023         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
11024         x86_promote_QImode, x86_integer_DFmode_moves,
11025         x86_partial_reg_dependency, x86_memory_mismatch_stall,
11026         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
11027         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
11028         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
11029         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
11030         Enable/disable for amdfam10.
11031         (override_options): Add amdfam10_cost to processor_target_table.
11032         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
11033         processor_alias_table.
11034         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
11035         (ix86_adjust_cost): Add code for amdfam10.
11036
11037 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
11038
11039         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
11040         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
11041         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
11042         * config/i386/i386.h: Add builtin definition for SSE4A.
11043         * config/i386/i386.md: Add support for ABM instructions
11044         (popcnt and lzcnt).
11045         * config/i386/sse.md: Add support for SSE4A instructions
11046         (movntss, movntsd, extrq, insertq).
11047         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
11048         Add -march=amdfam10 flag.
11049         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
11050         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
11051         and amdfam10.
11052         * doc/extend.texi: Add documentation for SSE4A builtins.
11053
11054 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
11055
11056         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
11057
11058 2007-02-05  Richard Guenther  <rguenther@suse.de>
11059
11060         * tree-vectorizer.h (vectorizable_function): Add argument type
11061         argument, change return type.
11062         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
11063         * tree-vect-transform.c (vectorizable_function): Handle extra
11064         argument, return vectorized function decl.
11065         (build_vectorized_function_call): Remove.
11066         (vectorizable_call): Handle calls with result and argument types
11067         differing.  Handle loop vectorization factor correctly.
11068         * targhooks.c (default_builtin_vectorized_function): Adjust for
11069         extra argument.
11070         * targhooks.h (default_builtin_vectorized_function): Likewise.
11071         * target.h (builtin_vectorized_function): Add argument type
11072         argument.
11073         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
11074         extra argument, allow vectorizing of lrintf.
11075         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
11076         documentation of target hook.
11077
11078 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
11079
11080         PR target/30665
11081         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
11082         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
11083         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
11084
11085 2007-02-05  Roger Sayle  <roger@eyesopen.com>
11086
11087         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
11088         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
11089         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
11090         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
11091         before canonicalizing sincos to cexpi.
11092         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
11093
11094 2007-02-05  Roger Sayle  <roger@eyesopen.com>
11095
11096         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
11097         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
11098         (alpha_init_builtins): Use alpha_add_builtins to process tables.
11099
11100 2007-02-05  Roger Sayle  <roger@eyesopen.com>
11101
11102         * mips-tfile.c (initialize_init_file): Correct endianness test.
11103
11104 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
11105
11106         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
11107         the 'y' constraint.
11108
11109 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
11110
11111         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
11112         saves in a PARALLEL before the register assignments.
11113
11114 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
11115
11116         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
11117         DWARF_FRAME_RETURN_COLUMN to be a general register.
11118         * dwarf2out.c (init_return_column_size): New function, split from...
11119         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
11120         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
11121         to be nongeneral registers.
11122         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
11123         integer registers.
11124         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
11125         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
11126
11127 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
11128
11129         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
11130
11131 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
11132
11133         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
11134         (remove_path): Use can_remove_branch_p and remove_branch instead
11135         of loop_delete_branch_edge.
11136         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
11137         (tree_transform_and_unroll_loop): Remove dead branches immediately.
11138         Update profile using scale_dominated_blocks_in_loop.
11139         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
11140         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
11141         (can_remove_branch_p, remove_branch): Declare.
11142         * tree-cfg.c (tree_can_remove_branch_p): New function.
11143         (tree_cfg_hooks): Add tree_can_remove_branch_p.
11144         * cfgrtl.c (rtl_can_remove_branch_p): New function.
11145         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
11146
11147 2007-02-05  Jan Hubicka  <jh@suse.cz>
11148
11149         PR middle-end/30696
11150         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
11151         nodes in cgraph, don't remove offline copy of the function.
11152
11153 2007-02-04  Jan Hubicka  <jh@suse.cz>
11154
11155         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
11156         vectors might cause maybe_lookup_element_for_expr to be called
11157         on non-sra-candidate.
11158
11159 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
11160
11161         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
11162         config/bfin/bfin.md, config/bfin/predicates.md: Follow
11163         spelling conventions.
11164
11165 2007-02-04  Richard Guenther  <rguenther@suse.de>
11166
11167         PR middle-end/30636
11168         * fold-const.c (try_move_mult_to_index): Make sure to not
11169         overflow one dimension of a multi-dimensional array access.
11170
11171 2007-02-04  Jan Hubicka  <jh@suse.cz>
11172
11173         * passes.c (init_optimization_passes): Reindent.
11174
11175 2007-02-04  Jan Hubicka  <jh@suse.cz>
11176             Eric Botcazou  <ebotcazou@adacore.com>
11177
11178         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
11179         (execute_fixup_cfg): Break out the abnormal goto code.
11180         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
11181         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
11182         (optimize_inline_calls): Call make_nonlocal_label_edges.
11183
11184 2007-02-04  Jan Hubicka  <jh@suse.cz>
11185
11186         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
11187         true when something was changed.
11188         (rename_ssa_copies): When something was changed, do
11189         TODO_remove_unused_locals.
11190         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
11191         add TODO_remove_unused_locals when instruction was removed.
11192
11193 2007-02-04  Jan Hubicka  <jh@suse.cz>
11194
11195         * ipa-inline.c (try_inline): Improve debug output; work on already
11196         inline edges too.
11197         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
11198         call try_inline for already inlined edges too when flattening;
11199         inline also functions that make callee growth but overall unit size
11200         reduce.
11201
11202 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
11203
11204         * config/m32c/bitops.md, config/m32c/jump.md,
11205         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
11206         config/m32r/m32r.h, config/m32r/m32r.md,
11207         config/m32r/predicates.md, config/m68hc11/larith.asm,
11208         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
11209         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
11210         config/mips/mips-protos.h, config/mips/mips.c,
11211         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
11212         config/mn10300/mn10300.h, config/mn10300/predicates.md,
11213         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
11214         spelling conventions.
11215
11216         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
11217         Follow spelling conventions.
11218
11219 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
11220
11221         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
11222         warn about C++0x compatibility.
11223
11224 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
11225
11226         * config/h8300/h8300.c, config/h8300/h8300.h,
11227         config/h8300/h8300.md: Follow spelling conventions.
11228
11229 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
11230
11231         PR middle-end/30667
11232         * combine.c (try_combine): Do not substitute source operand
11233         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
11234
11235 2007-02-03  Jan Hubicka  <jh@suse.cz>
11236
11237         PR gcov-profile/30650
11238         * value-prof.c (stringop_block_profile): Fix handling of size counter;
11239         do not divide by zero for never executed counters.
11240         (tree_find_values_to_profile): Fix counters.
11241         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
11242
11243 2007-02-03  Ian Lance Taylor  <iant@google.com>
11244
11245         * lower-subreg.c (simple_move_operand): New static function,
11246         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
11247         operands.
11248         (simple_move): Call simple_move_operand.
11249         (find_decomposable_subregs): Add special handling of MEMs.
11250         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
11251         meaning of return value.  If we see a hard register, test whether
11252         it can store a word_mode value.  Change all callers.
11253
11254 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11255
11256         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
11257         ftrapv insns and expanders.
11258         (subdi3): Change define_expand operand 1 to arith11_operand, and
11259         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
11260         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
11261         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
11262         respectively.
11263
11264         PR middle-end/30174
11265         * varasm.c (notice_global_symbol): Treat global objects as weak when
11266         flag_shlib is true.
11267
11268 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11269
11270         * emit-rtl.c (dconstpi): Delete.
11271         (dconstsqrt2): New.
11272         (init_emit_once): Delete dconstpi and init dconstsqrt2.
11273         * real.h (dconstpi): Delete.
11274         (dconstsqrt2): New.
11275         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
11276         (fold_builtin_hypot): Likewise.
11277
11278 2007-02-03  Tom Tromey  <tromey@redhat.com>
11279
11280         PR driver/30246
11281         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
11282         -gcoff3, -gxcoff3, -gvms3 implies -dD.
11283
11284 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
11285
11286         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
11287         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
11288         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
11289         config/rs6000/cell.md, config/rs6000/darwin.h,
11290         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
11291         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
11292         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
11293         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
11294         typos.  Follow spelling conventions.
11295         * doc/invoke.texi: Follow spelling conventions.
11296
11297 2007-02-03  Roger Sayle  <roger@eyesopen.com>
11298
11299         * simplify-rtx.c (simplify_relational_operation_1): Implement some
11300         canonicalization transformations that attempt to simplify integer
11301         constant comparisons to become comparisons against zero.
11302
11303 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11304
11305         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
11306         fabs(x)*sqrt(2).
11307         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
11308         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
11309
11310 2007-02-02  Mike Stump  <mrs@apple.com>
11311
11312         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
11313         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
11314         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
11315         generate a branch island.
11316
11317 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
11318
11319         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
11320         (xtensa_legitimate_address_p): New.
11321         (xtensa_legitimize_address): New.
11322         (xtensa_output_addr_const_extra): New.
11323         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
11324         (BASE_REG_P): New.
11325         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
11326         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
11327         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
11328         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
11329         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
11330         (xtensa_legitimize_address): New.
11331         (xtensa_output_addr_const_extra): New.
11332
11333 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
11334
11335         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
11336
11337 2007-02-02  Ian Lance Taylor  <iant@google.com>
11338
11339         * expmed.c (expand_divmod): Add comment.
11340
11341 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
11342
11343         * emit-rtl.c (renumber_insns): Remove.
11344         * flags.h: Remove the extern for flag_renumber_insns.
11345         * rtl.h: Remove the prototype for renumber_insns.
11346         * toplev.c (flag_renumber_insns): Remove.
11347
11348 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
11349
11350         Revert for x86 darwin:
11351         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
11352
11353         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
11354         code before the following patch under TARGET_MACHO.
11355         (ix86_function_value_regno_p): Likewise.
11356
11357 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11358
11359         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
11360         COMPLEX_EXPR.
11361
11362 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11363
11364         PR target/29682
11365         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
11366         general or fp registers.  Add comments.
11367         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
11368
11369 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
11370
11371         * pointer-set.c (insert_aux): Only return insertion slot.
11372         (pointer_set_insert): Adjust.
11373         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
11374         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
11375         pointer_map_traverse): New.
11376         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
11377         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
11378         pointer_map_contains, pointer_map_traverse): Declare.
11379
11380 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
11381
11382         PR middle-end/30473
11383         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
11384         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
11385
11386 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
11387
11388         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
11389
11390         (struct _dep): New type.
11391         (dep_t): New typedef.
11392         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
11393         (DEP_STATUS): New access macro.  The macro with the same name was
11394         renamed to DEP_LINK_STATUS.
11395         (dep_init): Declare function
11396
11397         (struct _dep_link): New type.
11398         (dep_link_t): New typedef.
11399         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
11400         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
11401         (DEP_LINK_STATUS): New macro.
11402         (debug_dep_links): New debug function.
11403
11404         (struct _deps_list): New type.
11405         (deps_list_t): New typedef.
11406         (DEPS_LIST_FIRST): New access macro.
11407         (FOR_EACH_DEP_LINK): New cycle macro.
11408         (create_deps_list, free_deps_list, delete_deps_list): Declare
11409         functions.
11410         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
11411         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
11412         (copy_deps_list_change_con): Ditto.
11413
11414         (move_dep_link): Declare function.
11415
11416         (struct _dep_node): New type.
11417         (dep_node_t): New typedef.
11418         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
11419
11420         (struct haifa_insn_data.back_deps): New field to hold backward
11421         dependencies of the insn.
11422         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
11423         to deps_list_t.
11424         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
11425         Change its type to deps_list_t.
11426         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
11427         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
11428         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
11429
11430         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
11431
11432         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
11433
11434         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
11435         all callers.
11436         (dep_cost): Declare.
11437
11438         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
11439         (ds_to_dk, dk_to_ds): New functions.
11440
11441         (init_dep_1): New static function.
11442         (init_dep): New function.
11443         (copy_dep): New static function.
11444
11445         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
11446         functions.
11447         (detach_dep_link): New static function.
11448         (move_dep_link): New function.
11449
11450         (dep_links_consistent_p, dump_dep_links): New static functions.
11451         (debug_dep_links): New debugging function.
11452
11453         (deps_obstack, dl_obstack, dn_obstack): New static variables.
11454
11455         (alloc_deps_list, init_deps_list): New static functions.
11456         (create_deps_list): New function.
11457         (clear_deps_list): New static function.
11458         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
11459         (deps_list_consistent_p, dump_deps_list): New static functions.
11460         (debug_deps_list): New function.
11461         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
11462         functions.
11463         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
11464
11465         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
11466         use new scheduler dependencies lists.
11467         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
11468         (sched_analyze): Ditto.  Initialize dependencies lists.
11469         (add_forw_dep, compute_forward_dependences): Update to use new
11470         scheduler dependencies lists.
11471
11472         (init_dependency_caches): Init deps_obstack.
11473         (free_dependency_caches): Free deps_obstack.
11474
11475         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
11476         new scheduler dependencies lists.
11477         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
11478         (add_back_forw_dep, delete_back_forw_dep): Ditto.
11479
11480         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
11481         Update to use new scheduler dependencies lists.
11482         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
11483         (debug_dependencies): Ditto.
11484         (schedule_region): Update comments.
11485
11486         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
11487         scheduler dependencies lists.
11488         (schedule_ebb): Update comments.
11489
11490         * rtl.def (DEPS_LIST): Remove.
11491
11492         * lists.c (unused_deps_list): Remove.
11493         (free_list): Update assertions.
11494
11495         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
11496         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
11497
11498         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
11499         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
11500
11501         * haifa-sched.c (comments): Update.
11502         (insn_cost1): Remove.  Inline the code into insn_cost ().
11503         (insn_cost): Update to use new scheduler dependencies lists.  Move
11504         processing of the dependency cost to dep_cost ().
11505         (dep_cost): New function.  Use it instead of insn_cost () when
11506         evaluating cost of the dependency.  Use compatible interface to
11507         interact with the target.
11508         (priority): Update to use new scheduler dependencies lists.
11509         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
11510         with greater number of insns that depend on the insn.
11511         (schedule_insn): Update to use new scheduler dependencies lists.  Add
11512         code to free backward dependencies lists.  Inline and optimize code
11513         from resolve_dep () - see PR28071.
11514         (ok_for_early_queue_removal): Update to use new scheduler dependencies
11515         lists.  Update call to targetm.sched.is_costly_dependence hook.
11516
11517         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
11518         scheduler dependencies lists.
11519
11520         (resolve_dep): Remove.  Move the logic to schedule_insn ().
11521         (init_h_i_d): Initialize dependencies lists.
11522
11523         (process_insn_depend_be_in_spec): Rename to
11524         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
11525         dependencies lists.
11526         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
11527         Update to use new scheduler dependencies lists.
11528         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
11529
11530         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
11531         new scheduler dependencies lists.
11532         (build_intra_loop_deps): Ditto.
11533
11534         * target.h (struct _dep): Declare to use in
11535         gcc_target.sched.is_costly_dependence.
11536         (struct gcc_target.sched.adjust_cost): Fix typo.
11537         (struct gcc_target.sched.is_costly_dependence): Change signature to use
11538         single dep_t parameter instead of an equivalent triad.
11539         (struct gcc_target.sched.adjust_cost_2): Remove.
11540
11541         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
11542
11543         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
11544
11545         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
11546         documentation.
11547         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
11548
11549         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
11550         (REG_DEP_TRUE): Document.
11551
11552         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
11553         Change signature to correspond to the targetm.sched.adjust_cost hook.
11554         Update use in TARGET_SCHED_ADJUST_COST_2.
11555         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
11556         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
11557         new scheduler dependencies lists.
11558         (ia64_gen_check): Ditto.
11559
11560         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
11561         dependencies lists.
11562
11563         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
11564         signature to correspond to the targetm.sched.is_costly_dependence hook.
11565         (is_costly_group): Update to use new scheduler dependencies lists.
11566
11567         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
11568         instead of INSN_COST () macro.
11569
11570 2007-02-01  Ian Lance Taylor  <iant@google.com>
11571
11572         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
11573
11574 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
11575
11576         * pa.md (tp_load): Correct mfctl instruction syntax.
11577
11578 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
11579
11580         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
11581         altivec_padding_size calculation on AIX.  Improve comment, add
11582         assert to verify that it's right.
11583
11584         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
11585         64-bit.
11586
11587 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
11588
11589         PR inline-asm/28686
11590         * global.c (global_alloc): Add mising initialization of
11591         ELIMINABLE_REGSET.
11592
11593 2007-02-01  Roger Sayle  <roger@eyesopen.com>
11594
11595         * alias.c (init_alias_analysis): Correct whitespace.
11596         * bb-reorder.c (fix_edges_for_rarely_executed_code,
11597         partition_hot_cold_basic_blocks): Likewise.
11598         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
11599         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
11600         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
11601         fold_builtin_snprintf_chk, fold_builtin_printf,
11602         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
11603         do_mpfr_arg3, do_mpfr_sincos): Likewise.
11604         * cfgcleanup.c (cleanup_cfg): Likewise.
11605         * cfgexpand.c (tree_expand_cfg): Likewise.
11606         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
11607         * function.c (get_next_funcdef_no): Likewise.
11608         * gengtype.c (main): Likewise.
11609         * genmodes.c (main): Likewise.
11610         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
11611         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
11612         * ifcvt.c (noce_emit_move_insn): Likewise.
11613         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
11614         Likewise.
11615         * stor-layout.c (get_best_mode): Likewise.
11616         * tree-ssa-loop-niter.c (get_val_for): Likewise.
11617         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
11618         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
11619         perform_var_substitution, solve_graph): Likewise.
11620         * tree-vrp.c (vrp_finalize): Likewise.
11621
11622 2007-02-01  Ian Lance Taylor  <iant@google.com>
11623
11624         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
11625         high part of a paradoxical subreg, return a constant zero.
11626
11627 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
11628
11629         * toplev.c (lang_dependent_init): Call init_set_costs.
11630         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
11631
11632 2007-02-01  Richard Guenther  <rguenther@suse.de>
11633
11634         PR middle-end/30656
11635         * fold-const.c (fold_negate_expr): Allow negating a
11636         constant if overflow does not change.
11637
11638 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
11639
11640         * doc/c-tree.texi (Expression trees): Improve markup.
11641         * doc/tm.texi (Register Classes, Addressing Modes)
11642         (Floating Point): Fix spacing after abbreviations.  Fix some
11643         typos.
11644
11645 2007-02-01  Ben Elliston  <bje@au.ibm.com>
11646
11647         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
11648         * doc/contrib.texi: Likewise.
11649         * doc/install.texi: Likewise.
11650
11651 2007-01-31  Richard Henderson  <rth@redhat.com>
11652             Ian Lance Taylor  <iant@google.com>
11653
11654         * lower-subreg.c: New file.
11655         * rtl.def (CONCATN): Define.
11656         * passes.c (init_optimization_passes): Add pass_lower_subreg and
11657         pass_lower_subreg2.
11658         * emit-rtl.c (update_reg_offset): New static function, broken out
11659         of gen_rtx_REG_offset.
11660         (gen_rtx_REG_offset): Call update_reg_offset.
11661         (gen_reg_rtx_offset): New function.
11662         * regclass.c: Revert patch of 2006-03-05, restoring
11663         reg_scan_update.
11664         (clear_reg_info_regno): New function.
11665         * dwarf2out.c (concatn_loc_descriptor): New static function.
11666         (loc_descriptor): Handle CONCATN.
11667         * common.opt (fsplit_wide_types): New option.
11668         * opts.c (decode_options): Set flag_split_wide_types when
11669         optimizing.
11670         * timevar.def (TV_LOWER_SUBREG): Define.
11671         * rtl.h (gen_reg_rtx_offset): Declare.
11672         (reg_scan_update): Declare.
11673         * regs.h (clear_reg_info_regno): Declare.
11674         * tree-pass.h (pass_lower_subreg): Declare.
11675         (pass_lower_subreg2): Declare.
11676         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
11677         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
11678         -fsplit-wide-types.
11679         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
11680         * Makefile.in (OBJS-common): Add lower-subreg.o.
11681         (lower-subreg.o): New target.
11682
11683 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
11684
11685         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
11686
11687 2007-01-31  Anatoly Sokolov <aesok@post.ru>
11688
11689         PR target/19087
11690         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
11691
11692 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11693
11694         PR middle-end/29335
11695         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
11696
11697 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
11698
11699         * cfgloop.h: Include vec-prim.h.
11700         (enum li_flags): Remove LI_ONLY_OLD.
11701         (loop_iterator): Changed.
11702         (fel_next, fel_init): Iterate over loop tree.
11703         (FOR_EACH_LOOP_BREAK): New macro.
11704         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
11705         FOR_EACH_LOOP.
11706         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
11707         * modulo-sched.c (sms_schedule): Ditto.
11708         * tree-vectorizer.c (vectorize_loops): Ditto.
11709         * doc/loop.texi: Update information on loop numbering and behavior of
11710         FOR_EACH_LOOP wrto new loops.
11711         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11712         add_to_evolution_1): Test nestedness of loops instead of comparing
11713         their numbers.
11714         * tree-chrec.c (chrec_fold_plus_poly_poly,
11715         chrec_fold_multiply_poly_poly, chrec_evaluate,
11716         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
11717         reset_evolution_in_loop): Ditto.
11718         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
11719
11720 2007-01-31  Dirk Mueller  <dmueller@suse.de>
11721
11722         * c-common.c (warn_about_parentheses): Separate warning about
11723         un-parenthized sequence of comparison operators from the one
11724         which is supposed to warn about x <= y <= z.
11725
11726 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
11727
11728         * optabs.h (enum optab_index): Add new OTI_isinf.
11729         (isinf_optab): Define corresponding macro.
11730         * optabs.c (init_optabs): Initialize isinf_optab.
11731         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
11732         patterns.
11733         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
11734         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
11735         using isinf_optab.
11736         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
11737         expand_builtin_interclass_mathfn.
11738         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
11739         * config/i386/i386.md (UNSPEC_FXAM): New constant.
11740         (fxam<mode>2_i387): New insn pattern.
11741         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
11742         built-in functions as x87 inline asm.
11743
11744 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
11745
11746         * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
11747
11748 2007-01-30  Eric Christopher  <echristo@apple.com>
11749
11750         * config.gcc: Add geode.
11751
11752 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
11753
11754         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
11755         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
11756         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
11757         value-prof.c: Fix comment typos.
11758
11759 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11760
11761         PR c++/24745
11762         * doc/invoke.texi (Wpointer-arith): Document warning.
11763
11764 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
11765
11766         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
11767         the list of discrepancies from the draft TR.
11768
11769 2007-01-30  Dirk Mueller  <dmueller@suse.de>
11770
11771         PR c++/30601
11772         * doc/invoke.texi (-Wreturn-type): Update description to
11773         match new behavior.
11774
11775 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
11776
11777         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
11778
11779 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
11780
11781         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
11782         to handle optabs that operate on floating point input argument and
11783         output to integer output.
11784         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
11785         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
11786         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
11787         expand_builtin_interclass_mathfn ().
11788         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
11789         (ilogbsi2): Remove.
11790         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
11791         ilogbl built-in functions as x87 intrinsics.
11792
11793 2007-01-30  Richard Guenther  <rguenther@suse.de>
11794
11795         PR middle-end/27657
11796         * dwarf2out.c (reference_to_unused): Query varpool if the
11797         variable was output.
11798
11799 2007-01-30  Richard Guenther  <rguenther@suse.de>
11800
11801         PR middle-end/30313
11802         * passes.c (execute_one_pass): Reset in_gimple_form to not
11803         confuse non-unit-at-a-time mode.
11804
11805 2007-01-29  Roger Sayle  <roger@eyesopen.com>
11806             Richard Guenther  <rguenther@suse.de>
11807
11808         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
11809         avoid undefined behaviour on overflow.  Use force_fit_type_double
11810         to construct the constant with the specified TREE_OVERFLOW.
11811
11812 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
11813
11814         * config/dfp-bit.c: Add parameterized support for fp exceptions.
11815         * config/dfp-bit.h: Ditto.
11816
11817 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11818
11819         * c-decl.c (pop_scope): Replace warnings with call to
11820         warn_for_unused_label.
11821         * c-common.h (warn_for_unused_label): Declare.
11822         * c-common.c (warn_for_unused_label): Define.
11823
11824 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
11825
11826         * tree-optimize.c (update_inlined_to_pointers): Delete unused
11827         function.
11828
11829 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
11830
11831         * Makefile.in (USER_H): Remove decfloat.h.
11832         * ginclude/decfloat.h: Delete, moving contents to ...
11833         * ginclude/float.h: Add support for decimal floating point,
11834         guarded by __STDC_WANT_DEC_FP__.
11835
11836 2007-01-29  Mike Stump  <mrs@apple.com>
11837
11838         * doc/gccint.texi (Top): Rename Loop Representation to Loop
11839         Analysis and Representation to resolve case insensitive conflict.
11840         * doc/loop.texi (Loop Analysis and Representation): Likewise.
11841
11842 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
11843
11844         * tree.h (struct tree_memory_tag): Add aliases member.
11845         (MTAG_ALIASES): New macro.
11846         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
11847         (add_may_alias): Remove pointer-set. Update for may_aliases being
11848         a bitmap.
11849         (mark_aliases_call_clobbered): Update for may_aliases being a
11850         bitmap.
11851         (compute_tag_properties): Ditto.
11852         (create_partition_for): Ditto.
11853         (compute_memory_partitions): Ditto.
11854         (dump_may_aliases_for): Ditto.
11855         (is_aliased_with): Ditto.
11856         (add_may_alias_for_new_tag): Ditto.
11857         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
11858         (compute_is_aliased): New function.
11859         (compute_may_aliases): Call compute_is_aliased).
11860         (init_alias_info): Initialize alias_bitmap_obstack.
11861         (union_alias_set_into): New function.
11862         (compute_flow_sensitive_aliasing): Use union_aliases_into.
11863         (have_common_aliases_p): Rewrite to take two bitmaps and use
11864         intersection.
11865         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
11866         Update for bitmaps.
11867         (finalize_ref_all_pointers): Update for add_may_alias changes.
11868         (new_type_alias): Ditto.
11869         * tree-flow-inline.h (may_aliases): Return a bitmap.
11870         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
11871         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
11872         may_aliases being a bitmap.
11873         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
11874         may_aliases now returns a bitmap.
11875         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
11876         being a bitmap.
11877         * tree-ssa-operands.c (add_virtual_operand): Update for
11878         may_aliases being a bitmap.
11879
11880 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
11881
11882         PR tree-optimization/30630
11883         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
11884         variable as changed.
11885
11886 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
11887
11888         PR c++/28266
11889         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
11890         expanded only once even if an error occurs.
11891
11892 2007-01-29  Ben Elliston  <bje@au.ibm.com>
11893
11894         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
11895         (__gcov_average_profiler): Likewise.
11896         (__gcov_ior_profiler): Likewise.
11897         (__gcov_merge_ior): Likewise.
11898
11899 2007-01-28  Jan Hubicka  <jh@suse.cz>
11900
11901         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
11902         * value-prof.c (stringop_block_profile): Likewise.
11903
11904 2007-01-28  Jan Hubicka  <jh@suse.cz>
11905
11906         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
11907         variant handling histograms; add wrapper.
11908         (clear_storage_via_libcall): Export.
11909         (emit_block_move_hints): Break out from ...; add histograms.
11910         (emit_block_move): ... this one.
11911         (clear_storage_hints): Break out from ...; add histograms.
11912         (clear_storage): ... this one.
11913         (set_storage_via_memset): Handle histogram.
11914         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
11915         (clear_storage_hints, clear_storage_via_libcall): Declare.
11916         (set_storage_via_setmem): Update prototype.
11917         * doc/md.texi (movmem, setmem): Document new arguments.
11918
11919         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
11920         new histograms.
11921         (stringop_block_profile): New global function.
11922         (tree_stringops_values_to_profile): Profile block size and alignment.
11923         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
11924         HIST_TYPE_IOR.
11925         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
11926         (stringop_block_profile): Declare.
11927         * builtins.c: Include value-prof.h.
11928         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
11929         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
11930         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
11931         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
11932         * profile.c (instrument_values): Add new counters.
11933         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
11934         calls.
11935         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
11936         (tree_init_edge_profiler): Build new profilers.
11937         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
11938         (pass_tree_profile): Add dump.
11939         (tree_profile_hooks): Update.
11940         * Makefile.in (LIBGCOV): Add new constants.
11941         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
11942         __gcov_ior_profiler): New.
11943         * i386.md (movmem/setmem expanders): Add new optional arguments.
11944
11945 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
11946
11947         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
11948
11949 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
11950
11951         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
11952         (tree_unswitch_single_loop): Pass eni_size_weights to
11953         tree_num_loop_insns.
11954         * tree-ssa-loop-manip.c: Include tree-inline.h.
11955         (can_unroll_loop_p): Pass eni_size_weights to
11956         tree_num_loop_insns.
11957         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
11958         Pass eni_size_weights to estimate_num_insns.
11959         * tree.h (init_inline_once): Export.
11960         * toplev.c (backend_init): Call init_inline_once.
11961         * cgraphunit.c (cgraph_process_new_functions,
11962         cgraph_analyze_function): Pass eni_inlining_weights to
11963         estimate_num_insns.
11964         * ipa-inline.c (compute_inline_parameters): Ditto.
11965         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
11966         to estimate_num_insns.
11967         (try_unroll_loop_completely): Pass eni_size_weights to
11968         tree_num_loop_insns.
11969         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
11970         ot estimate_num_insns.
11971         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
11972         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
11973         * tree-inline.c (eni_inlining_weights, eni_size_weights,
11974         eni_time_weights): New variables.
11975         (init_inline_once): Initialize them.
11976         (struct eni_data): Mew.
11977         (estimate_num_insns_1, estimate_num_insns): Use weights.
11978         * tree-inline.h (struct eni_weights_d): New.
11979         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
11980         (estimate_num_insns): Declaration changed.
11981         * cfgloop.h (tree_num_loop_insns): Declaration changed.
11982         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
11983         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
11984
11985 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
11986
11987         * tree-data-ref.c (conflict_fn): Assert that the number of affine
11988         relations in the conflict function is valid.
11989
11990 2007-01-27  Ian Lance Taylor  <iant@google.com>
11991
11992         * common.opt: Add fstrict-overflow.
11993         * opts.c (decode_options): Set flag_strict_overflow if -O2.
11994         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
11995         (TYPE_OVERFLOW_UNDEFINED): Define.
11996         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
11997         Replace all uses.
11998         * tree.h (TYPE_TRAP_SIGNED): Don't define.
11999         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
12000         (fold_negate_expr): Likewise.
12001         (make_range): Likewise.
12002         (extract_muldiv_1): Likewise.
12003         (maybe_canonicalize_comparison): Likewise.
12004         (fold_comparison): Likewise.
12005         (fold_binary): Likewise.
12006         (tree_expr_nonnegative_p): Likewise.
12007         (tree_expr_nonzero_p): Likewise.
12008         * tree-vrp.c (compare_values): Likewise.
12009         (extract_range_from_binary_expr): Likewise.
12010         (extract_range_from_unary_expr): Likewise.
12011         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
12012         Likewise.
12013         (nowrap_type_p): Likewise.
12014         * tree-scalar-evolution.c (simple_iv): Likewise.
12015         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
12016         (build_range_check): Likewise.
12017         (extract_muldiv_1): Likewise.
12018         (fold_comparison): Likewise.
12019         * tree-vrp.c (vrp_int_const_binop): Likewise.
12020         (extract_range_from_unary_expr): Likewise.
12021         * convert.c (convert_to_integer): Likewise.
12022         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
12023         (fold_comparison): Likewise.
12024         (fold_binary): Likewise.
12025         * optabs.c (optab_for_tree_code): Likewise.
12026         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
12027         * simplify-rtx.c (simplify_const_relational_operation): Check
12028         flag_strict_overflow and flag_trapv.
12029         (simplify_const_relational_operation): Likewise.
12030         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
12031         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
12032         -fstrict-overflow.
12033
12034 2007-01-27  Roger Sayle  <roger@eyesopen.com>
12035
12036         * tree.c (tree_fold_gcd): Delete.
12037         * tree.h (tree_fold_gcd): Remove prototype.
12038         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
12039         test whether one constant integer is a multiple of another.  Instead
12040         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
12041         * fold-const.c (multiple_of_p):  We've determined both TOP and
12042         BOTTOM are integer constants so we can call int_const_binop directly
12043         instead of the more generic const_binop.
12044
12045 2007-01-27  Roger Sayle  <roger@eyesopen.com>
12046
12047         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
12048         1*X check that the constant hasn't overflowed, to preserve the
12049         TREE_OVERFLOW bit.
12050         (round_up): Provide an efficient implementation when rouding-up an
12051         INTEGER_CST to a power-of-two.
12052
12053 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
12054
12055         * doc/sourcebuild.texi: Add comma for clarity.
12056         * doc/extend.texi: Fix some typos.
12057         * doc/passes.texi: Likewise.
12058         * doc/cppinternals.texi: Likewise.
12059         * doc/c-tree.texi: Likewise.
12060         * doc/tree-ssa.texi: Likewise.
12061         * doc/install.texi: Likewise.
12062
12063 2007-01-27  Jan Hubicka  <jh@suse.cz>
12064
12065         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
12066         (pass_sra): Do not require alias information.
12067         * passes.c (init_optimization_passes): Add SRA
12068
12069 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
12070
12071         * tracer.c (rest_of_handle_tracer): We already cleaned
12072         up the CFG in tracer() so don't do it here again.
12073         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
12074         cleanup_cfg here, either.  And don't call renumber_insns.
12075
12076         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
12077         and BB_HEAD are in the insn stream here.  Instead make sure
12078         that BB_INSN is valid on all insns.  Also, do check here that
12079         there are no pending branch predictions...
12080         (rtl_verify_flow_info): ...instead of doing it here.  Checks
12081         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
12082         here.
12083
12084 2007-01-26  Roger Sayle  <roger@eyesopen.com>
12085
12086         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
12087         function to simplify/factorize operand order canonicalization.
12088         (ix86_fixup_binary_operands): Reorganize using the above function.
12089         (ix86_binary_operator_ok): Likewise.
12090
12091 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
12092
12093         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
12094         file scope from optimize_attrs.
12095         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
12096         up search.
12097         (optimize_attrs): Clear insn_code_values after freeing it.
12098
12099 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
12100
12101         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
12102         a parts.base assignment.
12103
12104 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
12105
12106         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
12107         (compute_subscript_distance, initialize_data_dependence_relation,
12108         finalize_ddr_dependent, analyze_ziv_subscript,
12109         analyze_siv_subscript_cst_affine,
12110         compute_overlap_steps_for_affine_univar,
12111         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
12112         analyze_siv_subscript, analyze_miv_subscript,
12113         analyze_overlapping_iterations, subscript_dependence_tester_1,
12114         compute_self_dependence, free_dependence_relation): Work
12115         with affine_fn instead of chrecs.
12116         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
12117         common_affine_function, affine_function_base,
12118         affine_function_constant_p, affine_fn_op, affine_fn_plus,
12119         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
12120         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
12121         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
12122         (all_chrecs_equal_p): Removed.
12123         * tree-data-ref.h (affine_fn, conflict_function): New types.
12124         (struct subscript): Change type of conflicting_iterations_in_a
12125         and conflicting_iterations_in_b.
12126
12127 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
12128
12129         PR other/30182
12130         * config/pa/pa.h (TARGET_HPUX_11): New.
12131         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
12132         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
12133
12134 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
12135         Richard Guenther  <rguenther@suse.de>
12136
12137         * tree-ssa-structalias.c (solve_graph): Handle case
12138         we merged the variable to another.
12139
12140 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12141
12142         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
12143         functions.
12144
12145         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
12146         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
12147
12148 2007-01-25  DJ Delorie  <dj@redhat.com>
12149
12150         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
12151         allow changes to modes which don't fit in those registers.
12152
12153         * reload1.c (choose_reload_regs): Check for invalid subregs before
12154         computing their locations, not after.
12155
12156 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
12157
12158         PR 25127
12159         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
12160         save Altivec registers in an eh_return function.
12161         (compute_vrsave_mask): Likewise.
12162         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
12163         for saving Altivec registers.
12164         (rs6000_emit_prologue): Don't allocate stack twice in
12165         eh_return function.  Correct expected value of altivec_save_offset
12166         when using save_world.  Describe save of R0 to stack when using
12167         save_world.  Describe stack pointer adjustment when using
12168         save_world.  Remove duplicated eh_return parameter register saving.
12169         Update sp_offset variable after save_world.
12170         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
12171         darwin-world.asm.
12172         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
12173         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
12174         implies Altivec.
12175
12176 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
12177
12178         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
12179
12180 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
12181
12182         PR other/30182
12183         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
12184         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
12185
12186 2007-01-25  Richard Guenther  <rguenther@suse.de>
12187
12188         * doc/invoke.texi (-Wcoverage-mismatch): Document.
12189         * common.opt (-Wcoverage-mismatch): New warning option.
12190         * coverage.c (get_coverage_counts): Ignore coverage mismatch
12191         if -Wcoverage-mismatch is given.
12192
12193 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
12194
12195         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
12196         (ipcp_driver): Change to static definition.
12197         Add dumping of the ifunctions.
12198         (constant_val_insert): Remove unused parameter. Support for SSA.
12199         (ipcp_propagate_const): Support for SSA.
12200         (ipcp_profile_bb_print): Print only analyzed nodes.
12201         (ipcp_replace_map_create): Remove support for Fortran constant
12202         for now.
12203         * ipa-prop.c (ipa_method_modify_stmt,
12204         ipa_callsite_compute_param): Support for SSA.
12205         * ipa-prop.h (ipcp_driver): Remove declaration.
12206         (IS_VALID_TREE_MAP_INDEX): Add define.
12207
12208 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
12209
12210         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
12211
12212 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12213
12214         PR middle-end/30447
12215         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
12216         constant argument to cabs and do it without checking for
12217         -funsafe-math-optimizations.
12218
12219 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
12220
12221         * c-common.h (RID_FIRST_CXX0X): New.
12222         (RID_LAST_CXX0X): New.
12223         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
12224         by -Wall.
12225         * c.opt (Wc++0x-compat): New.
12226         * doc/invoke.texi (-Wc++0x-compat): Document.
12227
12228 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12229
12230         * builtins.c (fold_builtin_carg): New.
12231         (fold_builtin_1): Use it.
12232
12233 2007-01-24  Jan Hubicka  <jh@suse.cz>
12234
12235         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
12236
12237         * ipa-inline.c (initial_insns, max_insns): Delete.
12238         (compute_max_insns): New function.
12239         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
12240         of insns as base for code growth.
12241         (cgraph_decide_inlining): Make initial_insns local; do not compute
12242         max_insns.
12243         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
12244         * doc/invoke.texi (inline-unit-growth): Update docs.
12245
12246 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
12247
12248         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
12249         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
12250         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
12251         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
12252         for CPUs that have PTA_CX16 set.
12253
12254         PR middle-end/27416
12255         * gimplify.c (omp_check_private): New function.
12256         (gimplify_scan_omp_clauses): Use it for
12257         firstprivate/lastprivate/reduction.
12258
12259         PR middle-end/30494
12260         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
12261         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
12262
12263         PR middle-end/30421
12264         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
12265         If lower_lastprivate_clauses emits some statements, append them
12266         to dlist rather than body_p and to body_p append an initializer.
12267         (lower_omp_for): Adjust caller.
12268
12269 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
12270
12271         * target.h (globalize_decl_name): New.
12272         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
12273         * output.h (default_globalize_decl_name): New.
12274         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
12275         globalize_label.
12276         (globalize_decl): Ditto.
12277         (default_globalize_decl_name): New.
12278         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
12279         (ia64_handle_version_id_attribute): New.
12280         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
12281         (ia64_asm_output_external): Use globalize_decl_name instead
12282         of globalize_label.
12283         * doc/extend.texi (version_id): New pragma.
12284         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
12285
12286 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
12287
12288         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
12289         _uleb128_t and _Unwind_SWord with _sleb128_t.
12290         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
12291         uw_frame_state_for, uw_update_context_1): Likewise.
12292         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
12293         * unwind-pe.h (read_uleb128, read_sleb128,
12294         read_encoded_value_with_base): Likewise.
12295         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
12296
12297 2007-01-24  Richard Guenther  <rguenther@suse.de>
12298
12299         * builtins.c (expand_builtin_cexpi): Get the fndecl
12300         for cexp in the correct way.
12301
12302 2007-01-24  Jan Hubicka  <jh@suse.cz>
12303
12304         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
12305
12306 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
12307
12308         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
12309         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
12310         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
12311         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
12312         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
12313         __SIZEOF_PTRDIFF_T__.
12314         * doc/cpp.texi: Documentation for the new builtin macros added.
12315
12316 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
12317
12318         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
12319         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
12320         instead of operands[2] to avoid access past the end of array.
12321
12322 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
12323
12324         * reload1.c (emit_reload_insns): Pass the reload register
12325         for a non-spill output reload through forget_old_reloads_1.
12326
12327 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
12328
12329         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
12330         _SOFT_DOUBLE if doubles use software floating-point.
12331         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
12332         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
12333         * config/rs6000/darwin-ldouble.c: Also compile functions for
12334         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
12335         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
12336         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
12337         commented-out long double override.
12338         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
12339         * config/rs6000/eabispe.h: Likewise.
12340         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
12341         long double for non-SPE.
12342         (rs6000_handle_option): Likewise.
12343         (invalid_e500_subreg): Disallow more subregs involding DImode,
12344         DFmode, TImode or TFmode.
12345         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
12346         E500 double.
12347         (legitimate_lo_sum_address_p): Also check for TFmode for E500
12348         double.
12349         (rs6000_legitimize_address): Also handle TFmode for E500 double.
12350         (rs6000_legitimize_reload_address): Also handle TFmode for E500
12351         double.
12352         (rs6000_legitimate_address): Also check for TFmode for E500
12353         double.
12354         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
12355         (spe_build_register_parallel): Handle TFmode and TCmode.
12356         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
12357         double.
12358         (function_arg): Handle TFmode and TCmode for E500 double.
12359         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
12360         in general.
12361         (print_operand): Handle TFmode and TImode for %y.
12362         (rs6000_generate_compare): Handle TFmode comparisons for E500
12363         double.
12364         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
12365         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
12366         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
12367         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
12368         TFmode for E500 double.
12369         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
12370         (floatsidf2): Enable for E500 double.
12371         (movtf_softfloat): Use rs6000_nonimmediate_operand.
12372         (extenddftf2): Change to extenddftf2_fprs.
12373         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
12374         depending on TARGET_E500_DOUBLE.
12375         (extendsftf2): Enable for E500 double.
12376         (trunctfdf2): Enable for E500 double.
12377         (trunctfsf2): Change to trunctfsf2_fprs.
12378         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
12379         depending on TARGET_E500_DOUBLE.
12380         (floatsitf2): Enable for E500 double.
12381         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
12382         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
12383         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
12384         (negtf2): Change to negtf2_internal.
12385         (negtf2): New expander.
12386         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
12387         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
12388         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
12389         (movdi_internal32): Use rs6000_nonimmediate_operand.
12390         (unnamed splitter): Likewise.
12391         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
12392         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
12393         (SPE64TF, DITI): New mode macros.
12394         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
12395         modes.
12396         (frob_tf_ti): New.
12397         (frob_<mode>_di_2): New.
12398         (frob_tf_di_8_2): New.
12399         (frob_di_df): Change to frob_di_<mode>; allow more modes.
12400         (frob_ti_tf): New.
12401         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
12402         more modes.
12403         (frob_ti_<mode>_8_2): New.
12404         (frob_ti_tf_2): New.
12405         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
12406         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
12407         TFmode.
12408         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
12409         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
12410         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
12411         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
12412         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
12413         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
12414         tsttflt_gp): New.
12415
12416 2007-01-23  Ian Lance Taylor  <iant@google.com>
12417
12418         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
12419         insn-*.o first.
12420         (OBJS-archive): Reformat, alphabetize.
12421         (OBJS): Change out_object_file to OBJS-md.
12422
12423 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
12424
12425         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
12426         JUMP_P and CALL_P predicates where applicable.
12427         * config/i386/i386.c: Ditto.
12428         * config/i386/i386.md: Ditto.
12429         * config/i386/mmx.md: Ditto.
12430         * config/i386/predicates.md: Ditto.
12431
12432 2007-01-22  Andreas Schwab  <schwab@suse.de>
12433
12434         * config/m68k/m68k.h: Fix comment.
12435
12436 2007-01-22  Jan Hubicka  <jh@suse.cz>
12437
12438         * passes.c (init_optimization_passes): Do not rerun
12439         pass_early_warn_uninitialized.
12440
12441 2007-01-22  Richard Guenther  <rguenther@suse.de>
12442
12443         PR tree-optimization/30038
12444         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
12445         function.
12446         (execute_cse_sincos_1): Likewise.
12447         (execute_cse_sincos): Likewise.
12448         (gate_cse_sincos): Likewise.
12449         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
12450         the cexpi() canonicalization of sincos().
12451         * tree-pass.h (pass_cse_sincos): Declare.
12452         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
12453
12454 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
12455
12456         PR rtl-optimization/29329
12457         * combine.c (replaced_rhs_insn): Rename to i2mod.
12458         (replaced_rhs_value): Rename to i2mod_new_rhs.
12459         (i2mod_old_rhs): New global variable.
12460         (combine_instructions): Adjust for above change.  Save a copy of
12461         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
12462         note are substituted in the second instruction.
12463         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
12464         ditch the note if it pertains to the second eliminated register
12465         and this register is mentioned in i2mod_old_rhs.
12466
12467         Revert:
12468         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
12469
12470         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
12471         the insn to which the note was originally attached.
12472
12473 2007-01-21  Jan Hubicka  <jh@suse.cz>
12474
12475         * ipa-inline.c (inlining_mode): Comment, move up.
12476         (cgraph_decide_inlining_incrementally): Do not perform inlining
12477         itself; fix handling of flattening of self recursive functions.
12478         (cgraph_find_cycles): Remove.
12479         (cgraph_flatten_node): Remove.
12480         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
12481         (try_inline): New function.
12482         (cgraph_early_inlining): Update call of
12483         cgraph_decide_inlining_incrementally.  Apply inlining here.
12484         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
12485
12486 2007-01-21  Dirk Mueller  <dmueller@suse.de>
12487
12488         PR bootstrap/30511
12489         * tree-vrp.c (check_array_bounds): do not warn
12490         about ADDR_EXPR's of ARRAY_REF's which are immediately
12491         used in binary expressions.
12492
12493 2007-01-21  Ira Rosen  <irar@il.ibm.com>
12494
12495         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
12496         read_write_dep and macros for its access.
12497         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
12498         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
12499         argument, call vect_check_interleaving for every independent pair of
12500         data-refs. Mark loads that access the same memory location as a store
12501         in the loop.
12502         (vect_check_dependences): Remove.
12503         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
12504         call, fix the call to vect_analyze_data_ref_dependence.
12505         (vect_analyze_data_ref_access): For statements that access the same
12506         data-ref, check that they are not stores; for loads, check that there
12507         is no store that access the same location.
12508
12509 2007-01-20  Roger Sayle  <roger@eyesopen.com>
12510             Joseph Myers  <joseph@codesourcery.com>
12511
12512         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
12513         (-fdump-rtl-stack): Likewise.
12514         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
12515         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
12516         (-mpt-fixed): Use @minus{} for minus sign.
12517         (Using Precompiled Headers): Fix under/overfull hbox.
12518
12519 2007-01-20  Jan Hubicka  <jh@suse.cz>
12520
12521         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
12522         place within annotation.
12523
12524 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12525
12526         * pa.c (output_move_double): Change array size of xoperands to 4.
12527
12528 2007-01-20  Jan Hubicka  <jh@suse.cz>
12529
12530         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
12531         as temporary.
12532
12533 2007-01-19  Ian Lance Taylor  <iant@google.com>
12534
12535         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
12536         constant to unsigned HOST_WIDE_INT before negating.
12537
12538 2007-01-19  Ian Lance Taylor  <iant@google.com>
12539
12540         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
12541         to unsigned.
12542         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
12543         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
12544         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
12545         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
12546         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
12547         (realloc_vdef, realloc_vuse): Change second parameter to
12548         unsigned.
12549         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
12550         fields to unsigned.
12551         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
12552         unsigned. Change x and lim locals to unsigned.
12553         (realloc_vdef, realloc_vuse): Change num_elem parameter to
12554         unsigned.
12555         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
12556         (copy_virtual_operands): Change i and n locals to unsigned.
12557
12558 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12559
12560         PR middle-end/29335
12561         * builtins.c (fold_builtin_1): Handle builtin fdim.
12562
12563 2007-01-20  Jan Hubicka  <jh@suse.cz>
12564
12565         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
12566         * tree-ssa-structalias.c (compute_points_to_sets): Do call
12567         init_alias_heapvars.
12568         (init_alias_heapvars): Initialize only when not already initialized.
12569         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
12570
12571 2007-01-19  Roger Sayle  <roger@eyesopen.com>
12572
12573         * common.opt (fsigned-zeros): New command line option.
12574         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
12575         of flag_unsafe_math_optimizations.
12576         * opts.c (set_fast_math_flags): The -ffast-math command line option
12577         implies -fno-signed-zeros.
12578         (fast_math_flags_set_p): Likewise.
12579
12580         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
12581         the documentation of -ffast-math appropriately.  Wrap long lines.
12582
12583 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
12584
12585         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
12586         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
12587
12588 2007-01-19  Tomas Bily  <tbily@suse.cz>
12589
12590         * cgraphunit.c (cgraph_finalize_function): Updating of pid
12591         * tree-profile.c:
12592         (tree_init_ic_make_global_vars): New function
12593         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
12594         (tree_gen_ic_profiler): New function
12595         (tree_gen_ic_func_profiler): New function
12596         (tree_profiling): Added calling of tree_gen_ic_func_profiler
12597         (tree_profile_hooks): Added hook for indirec/virtual calls
12598         * value-prof.c (tree_find_values_to_profile): New case for
12599         indirect calls
12600         (tree_values_to_profile): Call for determining indirect/virtual
12601         counters
12602         (tree_indirect_call_to_profile): New function
12603         (tree_ic_transform): New function
12604         (tree_ic): New function
12605         (find_func_by_pid): New function
12606         (init_pid_map): New function
12607         (tree_value_profile_transformations): Added check for
12608         indirect/virtual call transformation
12609         * value-prof.h (enum hist_type): New counter type for
12610         indirect/virtual calls
12611         (profile_hooks): Added new hook for profiling indirect/virtual
12612         calls
12613         * profile.c (instrument_values): New case for indirect/virtual
12614         call added
12615         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
12616         (GCOV_COUNTER_V_INDIR): New counter type
12617         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
12618         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
12619         call added
12620         * cgraph.c: Definition of cgraph_max_pid
12621         (cgraph_create_node): Default init of pid attribute
12622         * cgraph.h: Declaration of cgraph_max_pid
12623         (struct cgraph_node): Added pid attribute
12624         * libgcov.c (__gcov_indirect_call_profiler): New function
12625         (__gcov_one_value_profiler_body): New function
12626         (__gcov_one_value_profiler): Body was moved to
12627         __gcov_one_value_profiler_body and calls it
12628
12629 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
12630
12631         * doc/gty.texi (Options): Document the mark_hook option to GTY.
12632         * gengtype.c (write_types_data, write_func_for_structure,
12633         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
12634         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
12635         (walk_type, write_func_for_structure): Generate the mark_hook if
12636         needed.
12637
12638 2007-01-19  Jan Hubicka  <jh@suse.cz>
12639
12640         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
12641         'early' argument take inlining mode argument specifying whether to
12642         inline for size/speeed or all functions; add support for flattening;
12643         improve dumpting.
12644         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
12645
12646 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
12647
12648         PR c++/17947
12649         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
12650         the name of the declared identifier.
12651
12652 2007-01-19  Dirk Mueller  <dmueller@suse.de>
12653
12654         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
12655         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
12656         duplicate evaluation.
12657
12658 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
12659
12660         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
12661         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
12662         to XFMode, use acosxf2 and truncate result to requested mode.
12663         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
12664         (asin<mode>2): Similarly, with asin expanders.
12665         (*fscalexf4_i387): Rename from *fscalexf4.
12666         (expNcorexf3): New expander.
12667         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
12668         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
12669         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
12670         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
12671         patterns for SSE math.
12672         (exp10<mode>2): Similarly, with exp10 expanders.
12673         (exp2<mode>2): Similarly, with exp2 expanders.
12674         (expm1<mode>2): Similarly, with expm1 expanders.
12675         (ldexp<mode>3): Similarly, with ldexp expanders.
12676         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
12677         Use gen_truncxf<mode>2_i387_noop to truncate result.
12678
12679 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12680
12681         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
12682         for ColdFire targets.
12683
12684 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
12685             Richard Sandiford  <richard@codesourcery.com>
12686
12687         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
12688         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
12689         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
12690         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
12691         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
12692         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
12693
12694 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12695
12696         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
12697         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
12698         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
12699         (*adddi_dilshr32_cf): New pattern.
12700         (adddi3, subdi3): Remove first alternatives.
12701
12702 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12703
12704         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
12705         implemented using move.l, do not use its cc result for floating-point
12706         comparisons.
12707
12708 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12709
12710         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
12711         from accepting 's' constraints if flag_pic.
12712
12713 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12714
12715         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
12716         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
12717         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
12718         condition from TARGET_68881 to TARGET_HARD_FLOAT.
12719
12720 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
12721
12722         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
12723         ColdFire alternatives.
12724         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
12725         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
12726         architectures that support ff1 instruction.
12727
12728 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12729             Julian Brown  <julian@codesourcery.com>
12730
12731         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
12732         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
12733         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
12734         Add commentary.
12735
12736 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
12737
12738         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
12739         and return a bool.
12740         (output_move_const_into_data_reg, output_move_simode_const): Delete.
12741         * config/m68k/m68k.c (const_method, const_int_cost): Take a
12742         HOST_WIDE_INT instead of an rtx.
12743         (m68k_rtx_costs): Update call accordingly.
12744         (output_move_const_into_data_reg): Likewise.  Fix formatting.
12745         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
12746         Return a bool.
12747         (output_move_simode_const): Update calls after above changes.
12748         Rework to use automatic variables and predicates like MEM_P.
12749         * config/m68k/m68k.md (pushexthisi_const): Update call to
12750         valid_mov3q_const.
12751
12752 2007-01-19  Dirk Mueller  <dmueller@suse.de>
12753
12754         * tree-ssa-alias.c (perform_var_substitution): Fix typo
12755         in dump_flags test.
12756
12757 2007-01-19  Richard Guenther  <rguenther@suse.de>
12758
12759         * builtins.c (expand_builtin_cexpi): Fall back to expanding
12760         via cexp in case sincos is not available.
12761
12762 2007-01-19  Richard Guenther  <rguenther@suse.de>
12763
12764         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
12765         * defaults.h (TARGET_HAS_SINCOS): Default to off.
12766         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
12767         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
12768         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
12769         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
12770         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
12771         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
12772
12773 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
12774
12775         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
12776         New insn patterns.
12777         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
12778         (atan2xf3): Directly generate RTL pattern.
12779         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
12780         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
12781         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
12782         disable patterns for SSE math.
12783         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
12784         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
12785         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
12786         disable patterns for SSE math.
12787
12788 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
12789
12790         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
12791
12792 2007-01-18  Roger Sayle  <roger@eyesopen.com>
12793
12794         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
12795         VIEW_CONVERT_EXPR to the same type as it's operand.
12796
12797 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
12798
12799         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
12800         configured for long double 128.
12801
12802 2007-01-18  Mike Stump  <mrs@apple.com>
12803
12804         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
12805         error.
12806
12807 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
12808
12809         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
12810         type correct.
12811
12812 2007-01-18  Jan Hubicka  <jh@suse.cz>
12813
12814         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
12815         greater than NUM_VOP_FREE_BUCKETS.
12816
12817 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
12818
12819         * tree-ssa-structalias.c: Update comments.
12820         (ptabitmap_obstack): Removed.
12821         (pta_obstack): New.
12822         (oldpta_obstack): Ditto.
12823         (stats): Add a few members.
12824         (struct variable_info): Remove node, complex, address_taken, and
12825         indirect_target members. Add oldsolution member.
12826         (new_var_info): Do not initialize removed members.
12827         (constraint_expr_type): Remove INCLUDES.
12828         (constraint_graph): Add size, implicit_preds, rep,
12829         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
12830         (FIRST_REF_NODE): New macro.
12831         (LAST_REF_NODE): Ditto.
12832         (FIRST_ADDR_NODE): Ditto.
12833         (find): New function.
12834         (unite): Ditto.
12835         (dump_constraint): Do not handle INCLUDES.
12836         (insert_into_complex): Do not insert duplicate constraints.
12837         (condense_varmap_nodes): Renamed and rewritten into ...
12838         (merge_node_constraints): This. Also fix bug in handling of
12839         offseted copy constraints.
12840         (clear_edges_for_node): No longer need to deal with preds at all,
12841         or removing associated preds/succs.
12842         (merge_graph_nodes): Deal with indirect_cycles.
12843         Don't deal with predecessors.
12844         (add_implicit_graph_edge): New function.
12845         (add_pred_graph_edge): Ditto.
12846         (add_graph_edge): Don't deal with predecessors.
12847         (build_constraint_graph): Removed.
12848         (build_pred_graph): New function.
12849         (build_succ_graph): Ditto.
12850         (struct scc_info): Removed in_component. Added roots, dfs, and
12851         node_mapping. Remove visited_index, unification_queue.
12852         (scc_visit): Deal with union-find we do now.
12853         Deal with cycles with REF nodes.
12854         (collapse_nodes): Renamed and rewritten to ...
12855         (unify_nodes): This.
12856         (process_unification_queue): Removed.
12857         (topo_visit): Cleanup
12858         (do_da_constraint): Use find.
12859         (do_sd_constraint): Ditto.
12860         (do_ds_constraint): Ditto.
12861         (do_complex_constraint): Ditto.
12862         (init_scc_info): Update for removed and added members.
12863         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
12864         (find_indirect_cycles): This.
12865         (equivalence_class): New variable.
12866         (label_visit): New function.
12867         (perform_variable_substitution): Rewritten.
12868         (free_var_substitution_info): New function.
12869         (find_equivalent_node): Ditto.
12870         (move_complex_constraints): Ditto.
12871         (eliminate_indirect_cycles): Ditto.
12872         (solve_graph): Only propagate changed bits.
12873         Use indirect cycle elimination.
12874         Use find.
12875         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
12876         (tree_id_eq): Renamed to ...
12877         (tree_vi_eq): This. Update for member change
12878         (insert_id_for_tree): Renamed and rewritten to ...
12879         (insert_vi_for_tree): This.
12880         (lookup_id_for_tree): Renamed and rewritten to ...
12881         (lookup_vi_for_tree): This.
12882         (get_id_for_tree): Renamed and rewritten to ...
12883         (get_vi_for_tree): Ditto.
12884         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
12885         (process_constraint): Don't handle INCLUDES.
12886         Remove special ADDRESSOF case.
12887         (find_func_aliases): Rewrite to use vi functions instead of id
12888         ones.
12889         (create_function_info_for): Ditto.
12890         (create_variable_info_for): Ditto.
12891         (intra_create_variable_infos): Ditto.
12892         (merge_smts_into): Ditto.
12893         (find_what_p_points_to): Ditto.
12894         (init_base_vars): Ditto.
12895         (init_alias_vars): Ditto.
12896         (remove_preds_and_fake_succs): New function.
12897         (dump_sa_points_to_info): Dump new stats.
12898         (dump_solution_for_var): Use find.
12899         (set_used_smts): Fix formatting.
12900         (compute_points_to_sets): Updated for new functions.
12901         (ipa_pta_execute): Ditto.
12902
12903 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
12904             Richard Sandiford  <richard@codesourcery.com>
12905
12906         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
12907         parallels.
12908         * calls.c (expand_call): If the return value is a PARALLEL,
12909         extract its first member.
12910         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
12911         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
12912         use FUNCTION_EXTRA_EPILOGUE.
12913         (m68k_function_value): Return a PARALLEL if the return value
12914         is of a pointer type.
12915         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
12916         (FUNCTION_EXTRA_EPILOGUE): Remove.
12917         * config/m68k/m68k.md (D0_REG): New constant.
12918
12919 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
12920
12921         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
12922         output a NOP for empty epilogues.
12923
12924 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
12925
12926         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
12927         before function.  Extend register save check to include all
12928         registers, not just integer ones.
12929
12930 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
12931
12932         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
12933         (m68k_use_return_insn): ...this.
12934         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
12935         * config/m68k/m68k.c (use_return_insn): Rename to...
12936         (m68k_use_return_insn): ...this.
12937         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
12938         of USE_RETURN_INSN.
12939
12940 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
12941
12942         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
12943         nearest even, fix denormal rounding overflow.
12944
12945 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
12946
12947         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
12948         f%$smove and f%$move.
12949         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
12950         (extendsfdf2_cf): Use fdmove instead of f%&move.
12951         (truncdfsf2_cf): Use fsmove instead of f%$smove.
12952         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
12953
12954 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
12955
12956         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
12957         GPR<-GPR moves.
12958
12959 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
12960
12961         * real.h (real_format): Add a canonical_nan_lsbs_set field.
12962         (coldfire_single_format): Declare.
12963         (coldfire_double_format): Likewise.
12964         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
12965         of qnan_msb_set to determine the lower bits of a canonical
12966         NaN significand.
12967         (encode_ieee_double): Likewise.
12968         (encode_ieee_quad): Likewise.
12969         (ieee_single_format): Initialize canonical_nan_lsbs_set.
12970         (mips_single_format): Likewise.
12971         (ieee_double_format): Likewise.
12972         (mips_double_format): Likewise.
12973         (ieee_extended_motorola_format): Likewise.
12974         (ieee_extended_intel_96_format): Likewise.
12975         (ieee_extended_intel_128_format): Likewise.
12976         (ieee_extended_intel_96_round_53_format): Likewise.
12977         (ibm_extended_format): Likewise.
12978         (mips_extended_format): Likewise.
12979         (ieee_quad_format): Likewise.
12980         (mips_quad_format): Likewise.
12981         (vax_f_format): Likewise.
12982         (vax_d_format): Likewise.
12983         (vax_g_format): Likewise.
12984         (i370_single_format): Likewise.
12985         (i370_double_format): Likewise.
12986         (decimal_single_format): Likewise.
12987         (decimal_double_format): Likewise.
12988         (decimal_quad_format): Likewise.
12989         (c4x_single_format): Likewise.
12990         (c4x_extended_format): Likewise.
12991         (real_internal_format): Likewise.
12992         (coldfire_single_format): New real_format.
12993         (coldfire_double_format): Likewise.
12994         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
12995         canonical_nan_lsbs_set.
12996         (pdp11_d_format): Likewise.
12997         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
12998         if TARGET_COLDFIRE_CPU.
12999
13000 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
13001
13002         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
13003         (output_call, m68k_legitimize_call_address): Declare.
13004         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
13005         parenthesees.  Add support for a 'W' constraint.
13006         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
13007         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
13008         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
13009         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
13010         variables.
13011         (override_options): Initialize them.  Do not set flag_no_function_cse
13012         for TARGET_ID_SHARED_LIBRARY.
13013         (m68k_output_pic_call): Delete.
13014         (m68k_legitimize_call_address): New function.
13015         (print_operand): Remove the %o prefix.  Handle the %p prefix.
13016         (output_call): New function.
13017         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
13018         target address from the GOT if symbolic jumps are not allowed.
13019         * config/m68k/m68k.md (call, general_operand): Do not set
13020         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
13021         Merge separate flag_pic and !flag_pic define_insns into...
13022         (*call, *call_value): ...these new patterns.  Match the address
13023         rather than the containing MEM and require it to be a call_operand.
13024         Use output_call to generate the asm template.
13025         * config/m68k/predicates.md (const_call_operand): New predicate.
13026         (call_operand): Likewise.
13027
13028 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
13029
13030         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
13031         (STACK_GROWS_DOWNWARD): Define to 1.
13032         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
13033         comments, emphasizing that these values are only defaults.
13034         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
13035         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
13036
13037 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
13038
13039         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
13040
13041 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
13042             Richard Sandiford  <richard@codesourcery.com>
13043
13044         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
13045         (FP_REGNO_P): New macros.
13046         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
13047         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
13048         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
13049         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
13050
13051 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
13052
13053         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
13054         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
13055         to $tmake_file.
13056         * config/m68k/t-floatlib: New file, extracting common code from...
13057         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
13058         * config/m68k/t-uclinux: Here.
13059         * config/m68k/fpgnulib.c: Do not compile extendeed precision
13060         routines on ColdFire targets.
13061
13062 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
13063
13064         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
13065         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
13066         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
13067         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
13068         explicitly set MOTOROLA to 1.
13069         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
13070
13071 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
13072             Nathan Sidwell  <nathan@codesourcery.com>
13073
13074         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
13075         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
13076         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
13077         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
13078         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
13079         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
13080         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
13081         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
13082         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
13083         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
13084         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
13085         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
13086         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
13087         (DBX_REGISTER_NUMBER): Delete.
13088         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
13089         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
13090         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
13091
13092 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
13093
13094         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
13095         * config/flat.h: New file.
13096         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
13097         OBJECT_FORMAT_FLAT.
13098         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
13099         indirect references for -msep-data or -mid-shared-library.
13100         Do not use PC-relative code addresses either.
13101         * config/m68k/m68k.c (override_options): Restrict -fPIC error
13102         to -mpcrel.
13103         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
13104         for shared libraries and crt1.o for executables.  Use crti.o and
13105         crtbegin.o.
13106         (ENDFILE_SPEC): Use crtend.o and crtn.o.
13107         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
13108         Do not add -elf2flt or -shared-lib-id options here.
13109         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
13110         Pass -shared-lib-id if -mid-shared-library, taking the library
13111         identifier from -mshared-library-id if given, otherwise
13112         defaulting to 0.
13113         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
13114         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
13115         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
13116         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
13117         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
13118         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
13119         and crtend.o.
13120         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
13121         jump sequence for ISA A and ISA A+.
13122         (PICJUMP): Likewise.
13123
13124 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
13125
13126         * config.gcc (m68k-*-uclinux*): Base the port on the common
13127         and m68k GNU/Linux files rather than on the generic ELF ones.
13128         * config/m68k/uclinux.h (TARGET_VERSION): Override.
13129         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
13130
13131 2007-01-18  Julian Brown  <julian@codesourcery.com>
13132             Richard Sandiford  <richard@codesourcery.com>
13133
13134         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
13135         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
13136         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
13137         before redefining.
13138         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
13139         80 unconditionally.
13140         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
13141
13142 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
13143
13144         * doc/install.texi: Document m68k-uclinuxoldabi.
13145         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
13146         * config/m68k/uclinux-oldabi.h: New file, copied from
13147         config/m68k/uclinux.h.
13148
13149 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
13150
13151         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
13152         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
13153         (m32r_compute_frame_size): Use unsigned for regno.
13154         (m32r_reload_lr): Use gen_frame_mem.
13155         (pop): New.
13156         (m32r_output_function_epilogue): Don't output the function epilogue
13157         textually here.
13158         (m32r_expand_epilogue): New.
13159         (direct_return): Return false if the function has the interrupt
13160         attribute.
13161         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
13162         * config/m32r/m32r.md (epilogue): New expander.
13163         (return_lr, return_rte): New insns.
13164         (return): Make it expander.
13165         (return_normal): New expander.
13166
13167 2007-01-18  Josh Conner  <jconner@apple.com>
13168
13169         PR target/30485
13170         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
13171         support for UNLE, UNLT, UNGE, and UNGT.
13172
13173 2007-01-18  Jan Hubicka  <jh@suse.cz>
13174
13175         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
13176         * tree-tailcall (add_virtual_phis): Likewise.
13177         (optimize_tail_call): Return TODOs.
13178         (execute_tail_calls): Return TODOs.
13179         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
13180         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
13181         changed.
13182         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
13183         Cleanup cfg using TODO.
13184         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
13185         * passes.c (execute_function_todo): When cleanup did something, remove
13186         unused locals.
13187         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
13188         (make_edges): Don't cleanup_cfg.
13189
13190 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
13191
13192         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
13193         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
13194         operate on the top of stack.
13195         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
13196         register handling of instructions that output to the second
13197         stack slot.
13198         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
13199         (move_for_stack_reg): Special-case check for dead destination
13200         stack slot for constant load of 1.0 inside UNSPEC_TAN.
13201
13202         * config/i386/i386.md (UNSPEC_TAN): New constant.
13203         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
13204         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
13205         to correctly model move of constant 1.0 to top stack slot.
13206         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
13207         (unnamed peephole2 pattern): Remove corresponding peephole2
13208         pattern that optimizes tan insn and loading of constant 1.0.
13209         (tanxf2): Use fptanxf4_i387.
13210         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
13211         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
13212         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
13213         disable patterns for SSE math.
13214         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
13215         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
13216
13217 2007-01-18  Dirk Mueller  <dmueller@suse.de>
13218             Richard Guenther <rguenther@suse.de>
13219
13220         PR diagnostic/8268
13221         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
13222         * common.opt (Warray-bounds): Add new warning option.
13223         * c-opts.c (c_common_handle_option): Define -Warray-bounds
13224         if -Wall is given.
13225         * Makefile.in: make tree-vrp.o depend on toplev.h
13226         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
13227         is enabled.
13228         (check_array_refs, check_array_bounds, check_array_ref): New.
13229
13230 2007-01-18  Jan Hubicka  <jh@suse.cz>
13231
13232         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
13233         (execute_ssa_ccp): Return flags conditionally.
13234         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
13235         changed.
13236         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
13237
13238 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
13239
13240         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
13241         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
13242
13243         * Makefile.c (GTFILES): Add cfglayout.h.
13244         * gengtype.c (open_base_files): Likewise.
13245         * cfglayout.c (cfg_layout_function_footer,
13246         cfg_layout_function_header) Reindent to make gengtype happy.
13247         * cfglayout.h (cfg_layout_function_footer,
13248         cfg_layout_function_header): Add GTY(()) marker.
13249
13250         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
13251
13252 2007-01-18  Ben Elliston  <bje@au.ibm.com>
13253
13254         * genautomata.c (write_automata): Include xstrerror output in the
13255         error message if writing the DFA description file fails.
13256
13257 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
13258
13259         * config/mips/mips-protos.h (mips_output_external): Make it
13260         return void.
13261         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
13262         * config/mips/mips.c (irix_output_external_libcall): Likewise.
13263         (extern_list): Likewise.
13264         (extern_head): Likewise.
13265         (TARGET_ASM_FILE_END): Likewise.
13266         (mips_file_end): Likewise.
13267         (mips_output_external): Rewritten.
13268
13269 2007-01-18  Ben Elliston  <bje@au.ibm.com>
13270
13271         * genpreds.c (write_insn_preds_c): Only write out the function
13272         body for regclass_for_constraint if we have register constraints.
13273
13274 2007-01-17  Tom Tromey  <tromey@redhat.com>
13275
13276         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
13277         * doc/install.texi (Testing): Use sourceware.org.
13278         (Binaries): Likewise.
13279         (Specific): Likewise.
13280         * doc/contrib.texi (Contributors): Use sourceware.org.
13281
13282 2007-01-17  Anatoly Sokolov <aesok@post.ru>
13283
13284         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
13285         (AVR_ENHANCED): Rename to ...
13286         (AVR_HAVE_MUL): ... new.
13287         (avr_enhanced_p): Rename to ...
13288         (avr_have_mul_p): ... new.
13289         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
13290         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
13291         * config/avr/avr.c (avr_enhanced_p): Rename to ...
13292         (avr_have_mul_p): ... new.
13293         (base_arch_s): Rename 'enhanced' to 'have_mul'.
13294         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
13295         'avr_enhanced_p' and 'enhanced'.
13296         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
13297         AVR_HAVE_MUL instead of AVR_ENHANCED.
13298         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
13299         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
13300         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
13301         instead of AVR_ENHANCED.
13302         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
13303         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
13304         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
13305
13306 2007-01-17  Ian Lance Taylor  <iant@google.com>
13307
13308         * vec.h (VEC_reserve_exact): Define.
13309         (vec_gc_p_reserve_exact): Declare.
13310         (vec_gc_o_reserve_exact): Declare.
13311         (vec_heap_p_reserve_exact): Declare.
13312         (vec_heap_o_reserve_exact): Declare.
13313         (VEC_OP (T,A,reserve_exact)): New static inline function, three
13314         versions.
13315         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
13316         negative parameter.
13317         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
13318         (VEC_OP (T,A,copy)) [all versions]: Likewise.
13319         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
13320         * vec.c (calculate_allocation): Add exact parameter.  Change all
13321         callers.
13322         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
13323         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
13324         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
13325         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
13326         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
13327         (vec_heap_p_reserve_exact): New function.
13328         (vec_heap_o_reserve_exact): New function.
13329
13330 2007-01-17  Jan Hubicka  <jh@suse.cz>
13331
13332         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
13333
13334 2007-01-17  Eric Christopher  <echristo@apple.com>
13335
13336         * config.gcc: Support core2 processor.
13337
13338 2007-01-16  Jan Hubicka  <jh@suse.cz>
13339
13340         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
13341         the names, just unlink the chain so we don't crash on dangling pointers
13342         to dead SSA names.
13343
13344 2007-01-16  Jan Hubicka  <jh@suse.cz>
13345
13346         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
13347         * tree-pass.h: Reorder to make IPA passes appear toegher.
13348         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
13349         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
13350         parameters, do not call early inliner.
13351         * ipa-inline.c: Update comments.  Include tree-flow.h
13352         (cgraph_decide_inlining): Do not compute inlining parameters.
13353         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
13354         be called with function context set up.
13355         (pass_ipa_inline): Remove unreachable functions before pass.
13356         (cgraph_early_inlining): Simplify assuming to be called from the
13357         PM as local pass.
13358         (pass_early_inline): New pass.
13359         (cgraph_gate_ipa_early_inlining): New gate.
13360         (pass_ipa_early_inline): Turn into simple wrapper.
13361         (compute_inline_parameters): New function.
13362         (gate_inline_passes): New gate.
13363         (pass_inline_parameters): New pass.
13364         (apply_inline): Move here from tree-optimize.c
13365         (pass_apply_inline): New pass.
13366         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
13367         transforming.
13368         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
13369         doing them by hand.
13370         (tree_function_versioning): Do not allocate dummy struct function.
13371         * tree-inline.h (optimize_inline_calls): Update prototype.
13372         * tree-optimize.c (execute_fixup_cfg): Export.
13373         (pass_fixup_cfg): Remove
13374         (tree_rest_of_compilation): Do not apply inlines.
13375         * tree-flow.h (execute_fixup_cfg): Declare.
13376         * Makefile.in (gt-passes.c): New.
13377         * passes.c: Include gt-passes.h
13378         (init_optimization_passes): New passes.
13379         (nnodes, order): New static vars.
13380         (do_per_function_toporder): New function.
13381         (execute_one_pass): Dump current pass here.
13382         (execute_ipa_pass_list): Don't dump current pass here.
13383
13384 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
13385
13386         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
13387         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
13388
13389 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
13390
13391         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
13392         (strong_alias): Define.
13393         (__gcc_qmul): Provide non-FMA for soft-float.
13394         (__gcc_qdiv): Same.
13395         (__gcc_qneg): New.
13396         (__gcc_qeq): New.
13397         (__gcc_qle): New.
13398         (__gcc_qge): New.
13399         (__gcc_qunord): New.
13400         (__gcc_stoq): New.
13401         (__gcc_dtoq): New.
13402         (__gcc_qtos): New.
13403         (__gcc_qtod): New.
13404         (__gcc_qtoi): New.
13405         (__gcc_qtou): New.
13406         (__gcc_itoq): New.
13407         (__gcc_utoq): New.
13408         (fmsub): New.
13409         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
13410         soft-float functions.
13411         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
13412         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
13413         about long double soft float.
13414
13415 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
13416             Tehila Meyzels  <tehila@il.ibm.com>
13417
13418         * tree-vectorizer.h (is_pattern_stmt_p): New.
13419         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
13420         formatting (tabs instead of spaces). Cleanup and clarify setting
13421         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
13422         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
13423         (vectorizable_type_demotion): Check that types are integral.
13424         (vectorizable_type_promotion): Likewise.
13425         (vectorizable_store): Fix typo.  Eliminate new-line at end of
13426         comments.
13427
13428 2007-01-16  Jan Hubicka  <jh@suse.cz>
13429
13430         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
13431         cgraph edges too.
13432
13433 2007-01-15  Eric Christopher  <echristo@apple.com>
13434
13435         * ifcvt.c: Include vec.h, vecprim.h.
13436         (check_cond_move_block): New argument regs.
13437         Reorganize. Add registers used to regs.
13438         (cond_move_process_if_block): Use regs set above as
13439         loop bounds.
13440
13441 2007-01-15  Eric Christopher  <echristo@apple.com>
13442
13443         * config/darwin.h: Update copyright.
13444         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
13445         (LINK_COMMAND_SPEC): Add -u.
13446         (LINK_SPEC): Fix umbrella for above.
13447
13448 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
13449
13450         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
13451         glibc CVS.
13452
13453 2007-01-15  Tom Tromey  <tromey@redhat.com>
13454
13455         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
13456         * doc/install.texi (Testing): Don't mention jacks.
13457         (Configuration): Document --enable-java-maintainer-mode.  Move
13458         --with-java-home to libgcj-specific section.  Document
13459         --with-ecj-jar.
13460         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
13461
13462 2007-01-15  Jan Hubicka  <jh@suse.cz>
13463
13464         * tree-ssa-dce.c (DCE_TODOs): New.
13465         (propagate_necessity): Return if something changed.
13466         (eliminate_unnecessary_stmts): Likewise.
13467         (perform_tree_ssa_dce): Return TODO flags when needed.
13468         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
13469
13470 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
13471
13472         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
13473         (fyl2x_extend<mode>xf3_i387): New insn pattern.
13474         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
13475         patterns using X87MODEF12 mode macro.  Extend operand 1
13476         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
13477         (log10<mode>2): Ditto.
13478         (log2<mode>2): Ditto.
13479         (log1p<mode>2): Ditto.
13480         (logb<mode>2): Ditto.
13481         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
13482         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
13483         (*fxtractxf3_i387): Rename from *fxtractxf3.
13484         (fxtract_extend<mode>xf3_i387): New insn pattern.
13485         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
13486         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
13487         and gen_fyl2xxf3_i387().
13488
13489 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
13490
13491         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
13492         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
13493         get_loop_exit_edges.  Changed return type to bool.
13494         * cfgloop.h (fix_loop_placement): Declaration removed.
13495
13496 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
13497
13498         * param.h (MIN_VECT_LOOP_BOUND): New.
13499         * params.def (MIN_VECT_LOOP_BOUND): New.
13500         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
13501         argument - minimum threshold for number of iterations.
13502         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
13503         argument to declaration.
13504         * tree-vect-analyze.c (vect_analyze_operations): Check value of
13505         MIN_VECT_LOOP_BOUND.
13506         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
13507         slpeel_tree_peel_loop_to_edge with additional argument.
13508         (vect_do_peeling_for_alignment): Likewise.
13509         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
13510
13511 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
13512
13513         PR target/30413
13514         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
13515         operands of size 1.
13516
13517 2007-01-14  Jan Hubicka  <jh@suse.cz>
13518
13519         * tree-dfa.c (remove_referenced_var): New function.
13520         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
13521         prune referenced vars list too.
13522         * tree-flow.h (remove_referenced_var): Declare.
13523
13524 2007-01-14  Jan Hubicka  <jh@suse.cz>
13525
13526         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
13527         separately.
13528         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
13529         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
13530         * except.h (verify_eh_throw_table_statements): Kill prototype.
13531         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
13532         into call exrepssions.
13533         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
13534         eh trhow verifier.
13535         * tree-cfg.c: Include pointer-set.h.
13536         (verify_node_sharing): Work on pointer set.
13537         (verify_eh_throw_stmt_node): New.
13538         (verify_stmts): Use pointers sets, verify throw_stmt.
13539
13540 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
13541
13542         * ipa-reference.c (analyze_function): Consider also addresses taken
13543         in phi nodes.
13544
13545 2007-01-12  Roger Sayle  <roger@eyesopen.com>
13546
13547         * c-typeck.c (null_pointer_constant_p): Replace use of
13548         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
13549         (build_c_cast): Likewise.
13550
13551 2007-01-12  Roger Sayle  <roger@eyesopen.com>
13552
13553         * tree.h (force_fit_type_double): Remove unused final argument.
13554         * c-common.c (constant_expression_warning): Replace use of
13555         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
13556         (convert_and_check): Likewise.
13557         (shorten_compare): Update call to force_fit_type_double.
13558         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
13559         * convert.c (convert_to_pointer): Update call to
13560         force_fit_type_double.
13561         * fold-const.c (force_fit_type_double): Remove overflowed_const
13562         argument.
13563         (int_const_binop, fold_convert_const_int_from_int,
13564         fold_convert_const_int_from_real, fold_div_compare,
13565         fold_sign_changed_comparison, fold_unary, fold_negate_const,
13566         fold_abs_const, fold_not_const): Remove the final argument from
13567         calls to force_fit_type_double.
13568
13569 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
13570
13571         * configure.ac: Set insn to "nop" for spu-*-* also.
13572         * configure: Regenerate.
13573
13574 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
13575
13576         * builtins.def : Add BUILT_IN_FREE.
13577
13578 2007-01-12  Jan Hubicka  <jh@suse.cz>
13579
13580         PR tree-optimization/30443
13581         * tree-inline.c (tree_function_versioning): Do not optimize when
13582         cloning for inlining.
13583
13584 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
13585
13586         * doc/loop.texi: Document recording of loop exits.
13587         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
13588         (update_single_exits_after_duplication,
13589         update_single_exit_for_duplicated_loop,
13590         update_single_exit_for_duplicated_loops): Removed.
13591         (duplicate_loop_to_header_edge): Do not call
13592         update_single_exits_after_duplication and
13593         update_single_exit_for_duplicated_loops.
13594         (loop_version): Do not update single_exit information.
13595         (fix_loop_structure): Use record_loop_exits instead of
13596         mark_single_exit_loops.
13597         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
13598         the lists of loop exits.
13599         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
13600         split_edge, merge_blocks): Update the lists of loop exits.
13601         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
13602         loop_optimizer_init.
13603         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
13604         of mark_single_exit_loops.
13605         (loop_optimizer_finalize): Call release_recorded_exits.
13606         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
13607         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
13608         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
13609         update single exit information.
13610         * lambda-code.c (perfect_nestify): Ditto.
13611         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
13612         (mark_single_exit_loops): Removed.
13613         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
13614         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
13615         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
13616         functions.
13617         (get_loop_exit_edges, single_exit): Use recorded exit lists.
13618         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
13619         (verify_loop_structure): Verify consistency of the exit lists.
13620         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
13621         (set_single_exit): Removed.
13622         * cfgloop.h (struct loop_exit): New function.
13623         (struct loop): single_exit_ field replaced by exits field.
13624         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
13625         (struct loops): Added exits hash.
13626         (mark_single_exit_loops, set_single_exit): Declaration removed.
13627         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
13628
13629 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13630
13631         * doc/invoke.texi: Avoid use of @headitem.
13632
13633 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13634
13635         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
13636
13637 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13638
13639         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
13640         list of targets.
13641
13642 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
13643             Richard Sandiford  <richard@codesourcery.com>
13644
13645         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
13646         * config/m68k/m68k.opt: Resort options.
13647         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
13648
13649 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
13650             Richard Sandiford  <richard@codesourcery.com>
13651
13652         * doc/invoke.texi: Document the macros that are defined by
13653         m68k's -mtune and -mhard-float options.
13654         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
13655         (m68k_cpp_cpu_family): Likewise.
13656         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
13657         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
13658         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
13659         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
13660         (m68k_cpp_cpu_family): Likewise.
13661
13662 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13663
13664         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
13665         macros besides mc68000 as tuning macros.  Use a switch statement
13666         to set them and mcpu32.
13667
13668 2007-01-12  Julian Brown  <julian@codesourcery.com>
13669
13670         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
13671         (TARGET_68040_ONLY): Rename to...
13672         (TARGET_68040): ...this.
13673         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
13674         * config/m68k/m68k.md: Likewise.
13675
13676 2007-01-12  Julian Brown  <julian@codesourcery.com>
13677             Nathan Sidwell  <nathan@codesourcery.com>
13678             Richard Sandiford  <richard@codesourcery.com>
13679
13680         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
13681         the -mcpu= argument associated with the --with-cpu setting.
13682         Define M68K_DEFAULT_TUNE to the default -mtune= option,
13683         if different from the one implied by the -mcpu setting.
13684         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
13685         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
13686         * doc/invoke.texi: Mention ColdFire in the introduction to the
13687         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
13688         -mno-div and -mhard-float options.  Make -m68881 a synonym for
13689         -mhard-float.  Document the previously-undocumented -m5206e,
13690         -m528x, -m5307 and -m5407 options.  Tweak the existing option
13691         documentation for consistency.
13692         * doc/install.texi: Mention new --with-cpu arguments.
13693         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
13694         default CPU if neither -mcpu nor -march are specified.
13695         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
13696         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
13697         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
13698         using m68k_tune to decide between families that implement the
13699         same ISA.  Use m68k_tune to set __mcfv4e__.
13700         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
13701         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
13702         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
13703         (FL_ISA_C, FL_ISA_MMU): New macros.
13704         (MASK_COLDFIRE): Delete.
13705         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
13706         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
13707         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
13708         (TARGET_HARD_FLOAT): Do not define here.
13709         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
13710         (TUNE_68000): New macro.
13711         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
13712         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
13713         (TUNE_CFV2): Redefine in terms of m68k_tune.
13714         (uarch_type, target_device, fpu_type): New enums.
13715         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
13716         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
13717         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
13718         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
13719         (FL_FOR_isa_c): New macros.
13720         (m68k_isa): New enum.
13721         (m68k_target_selection): New structure.
13722         (all_devices, all_isas, all_microarchs): New tables.
13723         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
13724         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
13725         (MASK_ALL_CPU_BITS): Delete.
13726         (m68k_find_selection): New function.
13727         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
13728         Map the legacy target options to a combination of the new ones.
13729         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
13730         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
13731         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
13732         settings.
13733         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
13734         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
13735         properties.
13736         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
13737         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
13738         * config/m68k/m68k-devices.def: New file.
13739
13740 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13741             Nathan Sidwell  <nathan@codesourcery.com>
13742
13743         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
13744         (SUBTARGET_EXTRA_SPECS): New macros.
13745         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
13746         use %(asm_cpu_spec) instead.
13747         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
13748         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
13749         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
13750         (EXTRA_SPECS): Rename to...
13751         (SUBTARGET_EXTRA_SPECS): ...this.
13752
13753 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
13754             Richard Sandiford  <richard@codesourcery.com>
13755             Julian Brown  <julian@codesourcery.com>
13756
13757         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
13758         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
13759         to the configuration's default CPU.
13760         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
13761         Remove default masks.
13762         (m680[012]0-*-*): Set the default with_cpu to the first part of
13763         the target name.
13764         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
13765         (m68k*-*-linux): Extend the --with-cpu handling to...
13766         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
13767         and m68010.  Don't set target_cpu_default2.
13768         * doc/install.texi: Document --with-cpu for m68k.
13769         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
13770         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
13771         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
13772         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
13773         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
13774         (ASM_SPEC): Remove use of %(asm_cpu_default).
13775         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
13776         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
13777         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
13778         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
13779         __HAVE_FPU__ if TARGET_HARD_FLOAT.
13780         (TARGET_DEFAULT): Delete.
13781         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
13782         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
13783         (CPP_CPU_SPEC): Delete.
13784         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
13785         the appropriate string.
13786         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
13787         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
13788         (ASM_SPEC): Don't use %(asm_default_spec).
13789         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13790         TARGET_DEFAULT and add MASK_68881.
13791         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
13792
13793 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13794
13795         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
13796         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
13797         MASK_68010 alongside MASK_68020.
13798         * doc/invoke.texi: Document -m68010.
13799         * config/m68k/m68k.opt (m68010): New.
13800         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
13801         if TUNE_68010.
13802         (TUNE_68010): New macro.
13803         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
13804         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
13805         (M68K_CPU_m68332): Add MASK_68010.
13806         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
13807         fallback definition.
13808         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
13809         defines.
13810         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
13811         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
13812         to all entries that use MASK_68020.
13813         (output_move_simode_const, output_move_himode, output_move_qimode)
13814         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
13815         instead of TARGET_68020 to select clr behavior.  Remove comment
13816         about there being no TARGET_68010.
13817         * config/m68k/m68k.md: Likewise throughout.
13818
13819 2007-01-12  Julian Brown  <julian@codesourcery.com>
13820
13821         * config/m68k/m68k.h (TARGET_ISAB): New macro.
13822         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
13823         * config/m68k/m68k.md: Likewise.
13824
13825 2007-01-12  Julian Brown  <julian@codesourcery.com>
13826
13827         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
13828         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
13829
13830 2007-01-12  Julian Brown  <julian@codesourcery.com>
13831
13832         * config/m68k/m68k.h (TUNE_68040_60): New macro.
13833         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
13834         * config/m68k/m68k.md: Likewise.
13835
13836 2007-01-12  Julian Brown  <julian@codesourcery.com>
13837             Richard Sandiford  <richard@codesourcery.com>
13838
13839         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
13840         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
13841         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
13842         TARGET_CPU32.
13843         (TARGET_CPU32): Rename to...
13844         (TUNE_CPU32): ...this.
13845         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
13846         (TUNE_CFV2): New macros.
13847         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
13848         remove conditions that are implied by TARGET_68020.
13849         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
13850         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
13851         (m68k_output_function_epilogue): Likewise.
13852         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
13853         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
13854         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
13855         non-68000 timings.  Refactor multiplication and division costs.
13856         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
13857         TUNE_CPU32 instead of TARGET_CPU32.
13858         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
13859         and TUNE_68060 instead of TARGET_68060.
13860         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
13861         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
13862         TARGET_CPU32.
13863         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
13864         && !TARGET_COLDFIRE" to choose between moveq and clr.
13865         Likewise in the unnamed movsf pattern.
13866         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
13867         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
13868         ashiftrt pattern.
13869
13870 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
13871
13872         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
13873         of tabbing before backslashes.
13874
13875 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13876
13877         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
13878         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
13879         (ASM_OUTPUT_INTERNAL_LABEL): Define.
13880
13881 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
13882
13883         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
13884         find_interesting_uses_cond.
13885         (find_interesting_uses_cond): Use extract_cond_operands.
13886         (rewrite_use_compare): Use extract_cond_operands and
13887         force_gimple_operand_bsi.  Do not call update_stmt.
13888         (determine_use_iv_cost_condition): Use extract_cond_operands.
13889         Return cheaper of using original bound and changing the exit bound.
13890
13891 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
13892
13893         PR tree-optimization/29516
13894         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
13895         most_expensive_mult_to_index, addr_to_parts,
13896         create_mem_ref, maybe_fold_tmr): Make the type of
13897         fields of TARGET_MEM_REF sizetype.
13898         (move_fixed_address_to_symbol, move_pointer_to_base):
13899         New functions.
13900         * tree.def (TARGET_MEM_REF): Add comment on types of
13901         the operands.
13902
13903 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
13904
13905         * c-common.c (vector_types_convertible_p): Treat opaque types as
13906         always convertible if they have the same size, but not otherwise.
13907
13908 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
13909
13910         * ifcvt.c (struct noce_if_info): Add comments to the fields.
13911         Remove the b_unconditional field.
13912         (noce_try_sign_mask): Do not look at b_unconditional.
13913         (noce_process_if_block): Do not use merge_if_blocks.  Update
13914         the CFG here.  Do not set b_unconditional.
13915         (cond_move_process_if_block): Likewise.
13916         (find_cond_trap): Likewise.
13917         (check_cond_move_block): Require simple jump insns at the end
13918         of the basic block.
13919
13920 2007-01-11  Jan Hubicka  <jh@suse.cz>
13921
13922         PR tree-optimization/1046
13923         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
13924         when alias info is not ready.
13925         (pass_tail_recursion): Do not require aliasing.
13926         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
13927         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
13928         * tree-ssa-copy.c (pass_copy_prop): Likewise.
13929         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
13930         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
13931         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
13932         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
13933         before inlining.
13934         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
13935         When aliasing is not build, mark statement as volatile.
13936
13937 2007-01-11  Tom Tromey  <tromey@redhat.com>
13938
13939         PR preprocessor/15185, PR preprocessor/20989:
13940         * doc/cppopts.texi <-MT>: Update description of algorithm for
13941         computing default target.
13942         <-M, -MD>: Reword "basename" text.
13943
13944 2007-01-11  Roger Sayle  <roger@eyesopen.com>
13945
13946         * builtins.c (expand_builtin_pow, expand_builtin_powi,
13947         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
13948         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
13949         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
13950         fold_builtin_bswap, real_constp, fold_builtin_pow,
13951         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
13952         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
13953         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
13954         * convert.c (convert_to_pointer): Likewise.
13955         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
13956         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
13957         const_binop, fold_convert_const_int_from_int,
13958         fold_convert_const_int_from_real,
13959         fold_convert_const_real_from_real, sign_bit_p,
13960         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
13961         fold_sign_changed_comparison, fold_unary, fold_comparison,
13962         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
13963         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
13964         * print-tree.c (print_node_brief, print_node): Likewise.
13965         * stor-layout.c (place_field, layout_type): Likewise.
13966         * tree-chrec.c (keep_cast): Likewise.
13967         * tree.c (build_vector, build_real, build_real_from_int_cst,
13968         build_complex): Likewise.
13969
13970 2007-01-11  Roger Sayle  <roger@eyesopen.com>
13971
13972         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
13973         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
13974
13975 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
13976
13977         * configure.ac (strict1_warn): Rename to strict_warn.
13978         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
13979         cc_set_by_configure, quoted_cc_set_by_configure,
13980         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
13981         all_boot_languages, all_stagestuff): Remove.
13982         (target_list): Remove bootstrap targets.
13983         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
13984         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
13985         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
13986         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
13987         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
13988         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
13989         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
13990         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
13991         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
13992         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
13993         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
13994         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
13995         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
13996         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
13997         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
13998         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
13999         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
14000         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
14001         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
14002         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
14003         (mostlyclean): Adjust.
14004         (clean, distclean): Don't mention bootstrap stuff.
14005         * configure: Regenerate.
14006         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
14007         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
14008         treelang/config-lang.in (stagestuff): Remove.
14009         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
14010         stageprofile, stagefeedback, stagestuff): Remove mention.
14011
14012 2007-01-11  Nick Clifton  <nickc@redhat.com>
14013
14014         * config/mcore/predicates.md (mcore_general_movesrc_operand):
14015         Accept CONSTs.
14016         (mcore_general_movdst_operand): Do not accept CONST_INTs.
14017         (mcore_arith_K_S_operand): Run the test for the S constraint not
14018         the test for the M constraint.
14019         (mcore_addsub_operand): Do not accept integer values that are
14020         larger than 32 bits.
14021         * config/mcore/mcore.md: Remove unused constraints from split.
14022         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
14023         (addsi3): Likewise.
14024         (allocate_stack): Likewise.
14025         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
14026         operands to 32 bits.
14027         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
14028         INTVAL.
14029         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
14030         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
14031         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
14032         mcore_output_bclri, mcore_output_andn, output_inline_const,
14033         mcore_output_move, mcore_output_movedouble): Likewise.
14034         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
14035         (output_inline_const): Likewise.
14036         (output_inline_const): Fix format strings used in sprintf
14037         statements.
14038         * config/mcore/mcore-protos.h: Update prototypes for changed
14039         functions in mcore.c.
14040         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
14041         HOST_WIDE_INT and not int.
14042         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
14043         CONST_OK_FOR_N): Likewise.
14044         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
14045         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
14046         an INTVAL.
14047
14048 2007-01-10  Jan Hubicka  <jh@suse.cz>
14049
14050         * tree-vrp.c (remove_range_assertions): Release defs.
14051         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
14052         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
14053
14054 2007-01-10  Paul Brook  <paul@codesourcery.com>
14055
14056         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
14057         * config/arm/arm.md (mulsi3subsi): New insn.
14058
14059 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
14060
14061         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
14062         (tree_transform_and_unroll_loop): New.
14063         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
14064         Declare.
14065
14066 2007-01-10  Robert Kennedy <jimbob@google.com>
14067
14068         * fold-const.c (fold_comparison): Fold comparisons like (x *
14069         1000 < 0) to (x < 0).
14070
14071 2007-01-10  Ian Lance Taylor  <iant@google.com>
14072
14073         * tree-pretty-print.c (dump_generic_node): Print parentheses when
14074         operands have the same priority.
14075
14076 2007-01-10  Tom Tromey  <tromey@redhat.com>
14077
14078         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
14079         (fold_binary): Likewise.
14080         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
14081         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
14082         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
14083         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
14084         * langhooks.h (struct lang_hooks): Removed field
14085         'can_use_bit_fields_p'.
14086
14087 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
14088
14089         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
14090
14091 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
14092
14093         * function.c (get_last_funcdef_no): New function.
14094         * function.h (get_last_funcdef_no): Declare.
14095         * tree-inline.c (initialize_cfun): Add initialization.
14096         (tree_function_versioning): Cleanup.
14097
14098 2007-01-10  Jan Hubicka  <jh@suse.cz>
14099
14100         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
14101         PHIs.
14102
14103 2007-01-10  Sa Liu  <saliu@de.ibm.com>
14104             Ben Elliston  <bje@au.ibm.com>
14105
14106         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
14107         for SAVE_NONLOCAL and Pmode for any other save level.
14108         * spu-protos.h (spu_restore_stack_block): Declare.
14109         * spu.md (save_stack_block): Remove.
14110         (restore_stack_block): Call spu_restore_stack_block.
14111         * spu.c (spu_restore_stack_block): New function.
14112         (spu_expand_epilogue): Remove old comment.
14113
14114 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
14115
14116         PR tree-optimization/30322
14117         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
14118         (cand_value_at): Return the value as aff_tree.
14119         (may_eliminate_iv): Convert the bound from aff_tree to tree.
14120         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
14121         aff_combination_mult): New functions.
14122         (aff_combination_add): Use aff_combination_add_cst.
14123         (aff_combination_convert): Allow conversions to a wider type.
14124         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
14125         * tree-affine.h (aff_combination_mult): Declare.
14126
14127 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
14128
14129         * doc/tm.texi: Update documentation to reflect reality of exec
14130         and start file search behaviours. Update copyright year.
14131         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
14132         header file directories.
14133
14134 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
14135
14136         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
14137         (*cosxf2): Rename to cosxf2_i387.
14138         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
14139         using X87MODEF12 mode macro. Rename patterns to
14140         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
14141         for SSE math.
14142         (*cosdf2, *cossf2): Ditto.
14143         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
14144         to match extended input operands.
14145         (sincos<mode>3): New expander.
14146         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
14147         insn patterns and corresponding splitters.
14148
14149 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
14150
14151         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
14152         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
14153
14154 2007-01-09  Nicolas Pitre  <nico@cam.org>
14155
14156         PR target/30173
14157         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
14158
14159 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
14160
14161         * target.h (struct gcc_target): New field library_rtti_comdat.
14162         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
14163         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
14164         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
14165         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
14166
14167 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
14168
14169         * doc/invoke.texi (Optimize Options): Correct description of -O0.
14170
14171 2007-01-08  Richard Guenther  <rguenther@suse.de>
14172
14173         * tree.h (force_fit_type_double): Export.
14174         (force_fit_type): Remove.
14175         * fold-const.c (force_fit_type_double): New function.
14176         (force_fit_type): Remove.
14177         (int_const_binop): Use it.
14178         (fold_convert_const_int_from_int): Likewise.
14179         (fold_convert_const_int_from_real): Likewise.
14180         (fold_div_compare): Likewise.
14181         (fold_sign_changed_comparison): Likewise.
14182         (fold_unary): Likewise.
14183         (fold_negate_const): Likewise.
14184         (fold_abs_const): Likewise.
14185         (fold_not_const): Likewise.
14186         * c-common.c (shorten_compare): Use force_fit_type_double.
14187         * convert.c (convert_to_pointer): Likewise.
14188
14189 2007-01-08  Richard Guenther  <rguenther@suse.de>
14190
14191         * tree.h (build_int_cst_wide_type): Export.
14192         * tree.c (build_int_cst_wide_type): New function.
14193         (build_int_cst_wide): Fix comment.
14194         * builtins.c (fold_builtin_object_size): Use build_int_cst
14195         to build -1 or 0 of the correct type.  Use fit_double_type
14196         to check for overflow.
14197         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
14198         to build the mask.
14199         (decode_field_reference): Likewise.
14200         (all_ones_mask_p): Likewise.
14201         (native_interpret_int): Use build_int_cst_wide_type.
14202         (fold_binary): Use build_int_cst_type to build an all-ones
14203         value.
14204         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
14205
14206 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
14207
14208         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
14209
14210 2007-01-09  Ben Elliston  <bje@au.ibm.com>
14211
14212         * genautomata.c (STATS_OPTION): New option.
14213         (stats_flag): New flag.
14214         (gen_automata_option): Handle it.
14215         (initiate_automaton_gen): Ditto.
14216         (write_automata): Output statistics only if stats_flag is
14217         set. Likewise, output time statistics only if time_flag is set.
14218         * doc/md.texi (Processor pipeline description): Document new flag.
14219
14220 2007-01-08  Richard Guenther  <rguenther@suse.de>
14221
14222         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
14223         * tree.c (build_int_cst_type): Likewise.
14224         (size_in_bytes): Don't call force_fit_type on the result.
14225         (int_fits_type_p): Use fit_double_type.
14226         * fold-const.c (fit_double_type): New function.
14227         (force_fit_type): Use it.
14228         * tree.h (fit_double_type): Export.
14229
14230 2007-01-08  Jan Hubicka  <jh@suse.cz>
14231
14232         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
14233         * ipa.c (function_and_variable_visibility): Fix return type.
14234
14235 2007-01-08  Richard Guenther  <rguenther@suse.de>
14236
14237         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
14238         of offset to build the index.
14239         * tree-pretty-print.c (dump_generic_node): Don't build negated
14240         const just for printing.
14241         * c-pretty-print.c (pp_c_integer_constant): Likewise.
14242         * builtins.c (fold_builtin_int_roundingfn): Check if result
14243         fits the type by using force_fit_type and comparing the result.
14244         * predict.c (predict_loops): Use compare_tree_int for comparison.
14245         * tree.c (build_int_cst): Fall back to integer_type_node for
14246         NULL_TREE type.
14247         (build_int_cst_wide): Assert type is non-null.
14248
14249 2007-01-08  Roberto Costa  <roberto.costa@st.com>
14250
14251         * tree-vrp.c (extract_range_from_cond_expr): New.
14252         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
14253         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
14254         as expressions.
14255         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
14256         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
14257         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
14258         used as expressions.
14259         * tree-object-size.c (cond_expr_object_size): New.
14260         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
14261
14262 2007-01-08  Jan Hubicka  <jh@suse.cz>
14263
14264         * tree-ssa-forwprop.c (forward_propagate_into_cond,
14265         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
14266         statement.
14267
14268 2007-01-08  Richard Guenther  <rguenther@suse.de>
14269
14270         PR tree-optimization/23603
14271         * tree-vrp.c (set_value_range_to_truthvalue): New function.
14272         (extract_range_from_binary): Fall back to truthvalue instead of
14273         varying for TRUTH_*_EXPR.
14274         (extract_range_from_comparison): Fall back to truthvalue instead of
14275         varying.
14276         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
14277         if all visited PHI values were constant.
14278
14279 2007-01-08  Jan Hubicka  <jh@suse.cz>
14280
14281         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
14282         (cgraph_analyze_function): break out from ...
14283         (cgraph_finalize_compilation_unit): ... here.
14284         (cgraph_expand_function): Remove forgoten commented out line.
14285         (cgraph_optimize): Analyze functions.
14286
14287 2007-01-08  Jan Hubicka  <jh@suse.cz>
14288
14289         * tree-pas.h (TODO_remove_function): New flag.
14290         (TODO_update*): Renumber.
14291         (pass_ipa_increase_alignment,
14292         pass_ipa_function_and_variable_visibility): New passes.
14293         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
14294         (cgraph_function_and_variable_visibility): Move to ipa.c
14295         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
14296         cgraph_increase_alignment.
14297         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
14298         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
14299         calling tree-inline.
14300         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
14301         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
14302         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
14303         (gate_increase_alignment): New function.
14304         (pass_ipa_increase_alignment): New pass.
14305         * ipa.c: Inline tree-pass.h and timevar.h
14306         (function_and_variable_visibility): Move here from cgraphunit.c
14307         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
14308         * passes.c (init_optimization_passes): Add the two new passes.
14309         (execute_todo): Handle cgraph_remove_functions.
14310
14311 2007-01-08  Nick Clifton  <nickc@redhat.com>
14312
14313         * config/frv/predicates.md (reg_or_0_operand): Accept
14314         CONST_DOUBLEs.
14315
14316 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
14317
14318         * config/bfin/rtems.h, config/bfin/t-rtems: New.
14319         * config.gcc: Add bfin*-rtems*.
14320
14321 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
14322
14323         * c.opt: Add -flax-vector-conversions.
14324         * c-typeck.c (convert_for_assignment): Pass flag to
14325         vector_types_convertible_p to allow emission of note.
14326         (digest_init): Likewise.
14327         * c-opts.c: Handle -flax-vector-conversions.
14328         * c-common.c (flag_lax_vector_conversions): New.
14329         (vector_types_convertible_p): Unless -flax-vector conversions
14330         has been passed, disallow conversions between vectors with
14331         differing numbers of subparts and/or element types.  If such
14332         a conversion is disallowed, possibly emit a note on the first
14333         occasion only to inform the user of -flax-vector-conversions.
14334         The new last argument specifies this.
14335         * c-common.h (flag_lax_vector_conversions): New.
14336         (vector_types_convertible_p): Add extra argument.
14337         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
14338         char_type_node for V*QI type vectors.
14339         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
14340         Update to satisfy new typechecking rules.
14341         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
14342         C and C++ variants.
14343         * doc/invoke.texi (C Dialect Options): Document
14344         -flax-vector-conversions.
14345
14346 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
14347
14348         PR tree-optimization/29877
14349         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
14350         a register variable on the RHS to not be replaceable.
14351
14352 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
14353         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
14354         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
14355         const_simm15, const_pow2, const_npow2): Added.
14356         * config/score/misc.md (insv, extv, extzv, movmemsi,
14357         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
14358         * config/score/score.c (score_address_cost, score_select_cc_mode):
14359         Added.
14360         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
14361         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
14362         Update score_print_operand.
14363         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
14364         Adjust register allocate order and update some macro define.
14365         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
14366         mdx_block_move_straight, mdx_block_move_loop_head,
14367         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
14368         mdx_block_move): Added.
14369         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
14370         mdp_limm): Updated and fix some bug and typo.
14371         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
14372         (movsf, movdf, doloop_end): Added.
14373
14374 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
14375
14376         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
14377         config/arm/thumb2.md: Fix comment typos.
14378         * doc/extend.texi: Fix a typo.
14379
14380 2007-01-07  Eric Christopher  <echristo@apple.com>
14381
14382         * configure.ac: Check for __stack_chk_fail for darwin.
14383         * configure: Regenerate.
14384
14385 2007-01-07  Richard Guenther  <rguenther@suse.de>
14386
14387         * tree-vrp.c (extract_range_from_assert): CSE calls to
14388         compare_values where possible.
14389         (extract_range_from_unary_expr): Likewise.
14390
14391 2007-01-07  Anatoly Sokolov <aesok@post.ru>
14392
14393         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
14394         * config/avr/avr.c (call_insn_operand): Delete function.
14395         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
14396         instead of register number. Use predicates.
14397         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
14398         call_insn_operand): Add.
14399
14400 2007-01-06  Jan Hubicka  <jh@suse.cz>
14401
14402         * tree-pass.h (pass_build_cgraph_edges): Declare.
14403         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
14404         (visited_nodes): Remove.
14405         (cgraph_create_edges): Move to cgraphbuild.c; rename to
14406         build_cgrpah_edges; make visited_nodes local.
14407         (cgraph_process_new_functions): DO not call initialize_inline_failed.
14408         (record_references_in_initializer): Move to cgraphbuild.c
14409         (initialize_inline_failed, rebuild_cgraph_edges,
14410         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
14411         (verify_cgraph_node): Make visited_nodes local.
14412         (cgraph_analyze_function): Do not call cgraph_create_edges and
14413         initialize_inline_failed.
14414         (cgraph_expand_function): Do not call cgraph_lower_function;
14415         assert that function is already lowered.
14416         * Makefile.in (cgraphbuild.o): New.
14417         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
14418         at the end of lowering passes.
14419
14420 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
14421
14422         * ifcvt.c (cond_move_convert_if_block): New function, code
14423         factored out from...
14424         (cond_move_process_if_block): ...here.  Call the new function
14425         on the THEN and ELSE blocks.
14426         (merge_if_block): Do not copy global_live_at_end, merge_blocks
14427         already takes care of this.
14428
14429 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14430
14431         PR c/19978
14432         * tree.h (TREE_OVERFLOW_P): New.
14433         * c-typeck.c (parser_build_unary_op): Warn only if result
14434         overflowed and operands did not.
14435         (parser_build_binary_op): Likewise.
14436         (convert_for_assignment): Remove redundant overflow_warning.
14437         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
14438
14439 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14440
14441         * c-typeck.c (store_init_value): Split over two lines to follow
14442         the GNU coding style.
14443
14444 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
14445
14446         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
14447         __GXX_EXPERIMENTAL_CXX0X__.
14448         * doc/cpp.texi: Same.
14449
14450 2007-01-05  Richard Guenther  <rguenther@suse.de>
14451
14452         PR middle-end/27826
14453         * tree.c (get_narrower): Do not construct COMPONENT_REFs
14454         with mismatched types.  Instead explicitly build a
14455         conversion NOP_EXPR.
14456
14457 2007-01-05  Ian Lance Taylor  <iant@google.com>
14458
14459         * c-common.c (decl_with_nonnull_addr_p): New function.
14460         (c_common_truthvalue_conversion): Call it.
14461         * c-typeck.c (build_binary_op): Likewise.
14462         * c-common.h (decl_with_nonnull_addr_p): Declare.
14463
14464 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
14465
14466         PR c/30360
14467         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
14468         denom against 0.0.
14469
14470 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
14471
14472         * doc/install.texi (Final install): Document the fact that
14473         the GNAT runtime should not be stripped.
14474
14475 2007-01-04  Jan Hubicka  <jh@suse.cz>
14476
14477         * tree-inline.c (fold_marked_statements): Update operand caches
14478         and EH after folding
14479
14480 2007-01-04  Ian Lance Taylor  <iant@google.com>
14481
14482         * c-common.c (check_function_nonnull): Whitespace fix.
14483
14484 2007-01-04  Jan Hubicka  <jh@suse.cz>
14485
14486         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
14487         comitted older version of patch.
14488         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
14489         function, celanup cfg and collect garbage.
14490
14491 2007-01-04  Mike Stump  <mrs@apple.com>
14492
14493         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
14494         (clean): Likewise.
14495
14496 2007-01-04  Eric Christopher  <echristo@apple.com>
14497
14498         * libgcc2.c (__bswapsi2): Use SItype.
14499         (__bswapdi2): Use DItype.
14500         * libgcc2.h: Update for above.
14501
14502 2007-01-04  Paul Brook  <paul@codesourcery.com>
14503
14504         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
14505         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
14506         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
14507         umulsidi3, umulsidi3adddi, smulsi3_highpart,
14508         umulsi3_highpart): Make conditional on !arm_arch6.
14509         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
14510         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
14511         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
14512         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
14513         umulsi3_highpart_v6): New insns.
14514
14515 2007-01-04  Roger Sayle  <roger@eyesopen.com>
14516
14517         * fold-const.c (fold_convert): When casting an expression to void,
14518         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
14519         have a type.  Instead of attempting to build a NOP_EXPR, return
14520         these "special" trees directly.
14521
14522 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
14523
14524         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
14525         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
14526         rs6000_cost->fp not 0 as adjustment for outer NEG.
14527
14528 2007-01-04  Jan Hubicka  <jh@suse.cz>
14529
14530         * cgraph.c (cgraph_release_function_body): New function.
14531         (cgraph_remove_node): Use it.
14532         * cgraph.h (cgraph_release_function_body): Declare.
14533         * cgraphunit.c (cgraph_expand_function): Use it.
14534         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
14535         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
14536         is initialized and while compilation of other function is running.
14537         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
14538         statement CFG annotations from here to ...
14539         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
14540
14541 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
14542
14543         * cfgloop.h (enum li_flags): Make the constants powers of two.
14544
14545 2007-01-04  Jan Hubicka  <jh@suse.cz>
14546
14547         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
14548         set.
14549         (fold_marked_statements): New function.
14550         (optimize_inline_calls, tree_function_versioning): Fold new statements.
14551         * tree-inline.h (copy_body_data): Add statements_to_fold.
14552
14553 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
14554
14555         * config.gcc: Mention libgcc/config.host.
14556         * Makefile.in: Update comments mentioning libgcc.
14557         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
14558         (all.cross, start.encap, rest.encap, rest.cross): Update
14559         dependencies for libgcc move.
14560         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
14561         (clean-target, clean-target-libgcc): Delete.
14562         (srcdirify, GCC_EXTRA_PARTS): New macros.
14563         (libgcc-support, libgcc.mvars): New rules.
14564         (distclean): Remove mention of mklibgcc.
14565         (install): Don't reference INSTALL_LIBGCC.
14566         (install-common): Don't reference EXTRA_PARTS.
14567         (install-libgcc, install-multilib): Delete rules.
14568         * mklibgcc.in: Delete file.
14569         * doc/configfiles.texi: Don't mention mklibgcc.
14570
14571         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
14572         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
14573         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
14574         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
14575         (mklibgcc, ldblspecs): Likewise.
14576
14577         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
14578         (posixpre.def): Use $(T).
14579         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
14580         (SHLIB_SRC, SHLIB_INSTALL): Delete.
14581         (SHLIB_LINK): Make dummy.
14582         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
14583
14584         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
14585
14586         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
14587         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
14588         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
14589         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
14590
14591         * configure.ac (all_outputs): Remove mklibgcc.
14592         * configure: Regenerated.
14593
14594 2007-01-03  Josh Conner  <jconner@apple.com>
14595
14596         PR middle-end/29683
14597         * calls.c (compute_argument_addresses): Set stack and stack_slot
14598         for partial args, too.
14599         (store_one_arg): Use locate.size.constant for the size when
14600         generating a save_area.
14601
14602 2007-01-03  Robert Kennedy <jimbob@google.com>
14603
14604         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
14605         whose definitions are deleted due to basic block merging.
14606
14607 2007-01-03  Paul Brook  <paul@codesourcery.com>
14608
14609         PR target/16634
14610         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
14611         functions.
14612         (use_return_insn): Return 0 for Thumb interrupt functions.
14613         (print_multi_reg): Add rfe argument for IRQ returns.
14614         (arm_output_epilogue): Pop interrupt return address directly into PC.
14615         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
14616
14617 2007-01-03  Paul Brook  <paul@codesourcery.com>
14618
14619         Merge from sourcerygxx-4_1.
14620         * config/arm/thumb2.md: New file.
14621         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
14622         Thumb-2.
14623         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
14624         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
14625         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
14626         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
14627         tables.
14628         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
14629         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
14630         comptibility.
14631         * config/arm/ieee754-sf.S: Ditto.
14632         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
14633         (thumb1_base_register_rtx_p): ... to this.
14634         (thumb_index_register_rtx_p): Rename...
14635         (thumb1_index_register_rtx_p): ... to this.
14636         (thumb_output_function_prologue): Rename...
14637         (thumb1_output_function_prologue): ... to this.
14638         (thumb_legitimate_address_p): Rename...
14639         (thumb1_legitimate_address_p): ... to this.
14640         (thumb_rtx_costs): Rename...
14641         (thumb1_rtx_costs): ... to this.
14642         (thumb_compute_save_reg_mask): Rename...
14643         (thumb1_compute_save_reg_mask): ... to this.
14644         (thumb_final_prescan_insn): Rename...
14645         (thumb1_final_prescan_insn): ... to this.
14646         (thumb_expand_epilogue): Rename...
14647         (thumb1_expand_epilogue): ... to this.
14648         (arm_unwind_emit_stm): Rename...
14649         (arm_unwind_emit_sequence): ... to this.
14650         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
14651         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
14652         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
14653         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
14654         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
14655         thumb2_output_casesi): New functions.
14656         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
14657         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
14658         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
14659         THUMB2_WORK_REGS): Define.
14660         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
14661         arm_condexec_mask, arm_condexec_masklen)): New variables.
14662         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
14663         (arm_override_options): Check new CPU capabilities.
14664         Set new architecture flag variables.
14665         (arm_isr_value): Handle v7m interrupt functions.
14666         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
14667         Thumb-2.
14668         (const_ok_for_arm): Handle Thumb-2 constants.
14669         (arm_gen_constant): Ditto.  Use movw when available.
14670         (arm_function_ok_for_sibcall): Return false for v7m interrupt
14671         functions.
14672         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
14673         (thumb_find_work_register, arm_load_pic_register,
14674         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
14675         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
14676         print_multi_reg, output_mov_long_double_fpa_from_arm,
14677         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
14678         output_mov_double_fpa_from_arm, output_move_double,
14679         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
14680         output_return_instruction, arm_output_function_prologue,
14681         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
14682         arm_output_mi_thunk, thumb_set_return_address): Ditto.
14683         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
14684         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
14685         (arithmetic_instr, shift_op): Use arm_shift_nmem.
14686         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
14687         '!' and 'L'.
14688         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
14689         (thumb_expand_prologue): Use thumb_set_frame_pointer.
14690         (arm_file_start): Output directive for unified syntax.
14691         (arm_unwind_emit_set): Handle stack alignment instruction.
14692         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
14693         Add v6t2, v7, v7a, v7r and v7m.
14694         (RETLDM): Add Thumb-2 code.
14695         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
14696         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
14697         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
14698         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
14699         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
14700         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
14701         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
14702         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
14703         ADJUST_INSN_LENGTH): Define.
14704         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
14705         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
14706         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
14707         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
14708         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
14709         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
14710         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
14711         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
14712         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
14713         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
14714         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
14715         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
14716         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
14717         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
14718         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
14719         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
14720         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
14721         cortex-m3.
14722         * config/arm/arm-tune.md: Regenerate.
14723         * config/arm/arm-protos.h: Update prototypes.
14724         * config/arm/vfp.md: Enable patterns for Thumb-2.
14725         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
14726         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
14727         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
14728         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
14729         * config/arm/libunwind.S: Add Thumb-2 code.
14730         * config/arm/constraints.md: Update include Thumb-2.
14731         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
14732         * config/arm/ieee754-df.S: Ditto.
14733         * config/arm/bpabi.S: Ditto.
14734         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
14735         * config/arm/predicates.md (low_register_operand,
14736         low_reg_or_int_operand, thumb_16bit_operator): New.
14737         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
14738         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
14739         * config/arm/t-arm-elf: Add armv7 multilib.
14740         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
14741         Include thumb2.md.
14742         (UNSPEC_STACK_ALIGN, ce_count): New.
14743         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
14744         arm_zero_extendsidi2, arm_zero_extendqidi2): New
14745         insns/expanders.
14746         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
14747         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
14748         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
14749         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
14750         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
14751         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
14752         insns.
14753         * doc/extend.texi: Document ARMv7-M interrupt functions.
14754         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
14755
14756 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
14757
14758         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
14759         (struct _Unwind_Context): Rename args_size to flags, remove
14760         signal_frame field, add a new args_size field and version field.
14761         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
14762         _Unwind_IsExtendedContext): New inline functions.
14763         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
14764         Assume by_value array is only present if _Unwind_IsExtendedContext.
14765         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
14766         _Unwind_IsSignalFrame.
14767         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
14768         (uw_update_context_1): Use _Unwind_SetSignalFrame.
14769         (uw_init_context_1): Initialize context->flags to
14770         EXTENDED_CONTEXT_BIT.
14771         * config/rs6000/linux-unwind.h (frob_update_context): Use
14772         _Unwind_SetSignalFrame.
14773
14774 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
14775
14776         PR middle-end/30353
14777         * gimplify.c (gimplify_modify_expr_complex_part): Move below
14778         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
14779         the value.
14780
14781 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
14782
14783         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
14784         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
14785         RET, AT_SP): Remove.
14786         * config/i386/i386.md (*sse_prologue_save_insn): Use return
14787         instead of RET.
14788
14789         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
14790         * cfgbuild.c (find_basic_blocks): Likewise.
14791         * cfgrtl.c (rtl_create_basic_block): Likewise.
14792         * function.c (temp_slots_at_level): Likewise.
14793         * reg-stack.c (stack_regs_mentioned): Likewise.
14794         * regclass.c (allocate_reg_info): Likewise.
14795         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
14796         set_bb_for_stmt, move_block_to_fn): Likewise.
14797         * tree-complex.c (tree_lower_complex): Likewise.
14798         * vec.h (VEC_safe_grow_cleared): New.
14799
14800         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
14801
14802 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
14803
14804         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
14805         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
14806         to loop_version.
14807         * cfgloopmanip.c (scale_loop_frequencies): Export.
14808         (loopify): Scale the frequencies by prescribed coefficients.
14809         (set_zero_probability): New function.
14810         (duplicate_loop_to_header_edge): Improve updating of frequencies.
14811         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
14812         and frequencies according to arguments.
14813         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
14814         correctly.
14815         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
14816         * modulo-sched.c (sms_schedule): Set probabilities for entering
14817         versioned loop correctly.
14818         * tree-vect-transform.c (vect_transform_loop): Ditto.
14819         * cfgloop.h (loopify, loop_version): Declaration changed.
14820         (scale_loop_frequencies): Declared.
14821
14822 2007-01-02  Jan Hubicka  <jh@suse.cz>
14823
14824         * cgraph.c: Include tree-flow.h
14825         (cgraph_add_new-function): Handle IPA_SSA mode; execute
14826         early_local_passes.
14827         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
14828         * tree-pass.h (pass_all_early_optimizations): Declare.
14829         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
14830         early_local_passes.
14831         (cgraph_analyze_function): Do early_local_passes.
14832         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
14833         Do not add referenced vars.
14834         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
14835         SSA form.
14836         (gate_all_early_local_passes): New gate.
14837         (pass_early_local_passes): Use new gate.
14838         (execute_early_local_optimizations): New functions.
14839         (gate_all_early_optimizations): New gate.
14840         (pass_all_early_optimizations): New pass.
14841         (execute_free_datastructures): Free SSA only when initialized.
14842         (gate_init_datastructures): Init only when optimizing.
14843         (tree_lowering_passes): Do early local passes when called late.
14844         * tree-profile.c (do_tree_profiling): Don't profile functions added
14845         late.
14846         (do_early_tree_profiling, pass_early_tree_profile): Kill.
14847         * tree-cfg.c (update_modified_stmts): Do not update when operands are
14848         not active.
14849         * passes.c (init_optimizations_passes): Reorder so we go into SSA
14850         during early_local_passes.
14851         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
14852
14853
14854 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
14855
14856         * Makefile.in: Update copyright year.
14857
14858 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
14859
14860         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
14861         in $(lang_checks) and check-consistency targets.
14862
14863 2007-01-02  Jan Hubicka  <jh@suse.cz>
14864
14865         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
14866         Do not add referenced vars.
14867         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
14868         are not active.
14869         * passes.c (init_optimization_passes): Put mudflap_2 after
14870         free_datastructures.
14871
14872 2007-01-02  Jan Hubicka  <jh@suse.cz>
14873
14874         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
14875         Set NOTHROW flag on call statements proved to be nothrow.
14876         Update statement of local calls so new pure/const functions are
14877         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
14878         goto receivers.
14879         (tree_rest_of_compilation): Register hooks and initialize bitmap
14880         early. Do not set after_inlining flag.
14881
14882 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
14883
14884         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
14885         HOST_BITS_PER_LONGLONG
14886
14887 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14888
14889         PR c/19977
14890         * c-typeck.c (store_init_value): Don't emit pedantic overflow
14891         warning for non-static initializers.
14892
14893 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
14894
14895         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
14896         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
14897         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
14898         Always use set_unique_reg_note to add REG_EQUAL notes.
14899
14900 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
14901
14902         Revert:
14903         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
14904
14905         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
14906         * cfgbuild.c (find_basic_blocks): Likewise.
14907         * cfgrtl.c (rtl_create_basic_block): Likewise.
14908         * function.c (temp_slots_at_level): Likewise.
14909         * reg-stack.c (stack_regs_mentioned): Likewise.
14910         * regclass.c (allocate_reg_info): Likewise.
14911         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
14912         set_bb_for_stmt, move_block_to_fn): Likewise.
14913         * tree-complex.c (tree_lower_complex): Likewise.
14914         * vec.h (VEC_safe_grow_cleared): New.
14915
14916 2007-01-02  Ian Lance Taylor  <iant@google.com>
14917
14918         * c-common.c (c_common_truthvalue_conversion): When warning about
14919         using an assignment as a truth value, set TREE_NO_WARNING.
14920
14921 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
14922
14923         PR middle-end/7651
14924         * c.opt (Wold-style-declaration): New.
14925         * doc/invoke.texi (C-only Warning Options): New.
14926         (Wold-style-declaration): Document it.
14927         (Wextra): Enabled by -Wextra.
14928         * c-opts.c (c_common_post_options): Enabled by -Wextra.
14929         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
14930         -Wold-style-declaration.
14931
14932 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
14933
14934         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
14935         * cfgbuild.c (find_basic_blocks): Likewise.
14936         * cfgrtl.c (rtl_create_basic_block): Likewise.
14937         * function.c (temp_slots_at_level): Likewise.
14938         * reg-stack.c (stack_regs_mentioned): Likewise.
14939         * regclass.c (allocate_reg_info): Likewise.
14940         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
14941         set_bb_for_stmt, move_block_to_fn): Likewise.
14942         * tree-complex.c (tree_lower_complex): Likewise.
14943         * vec.h (VEC_safe_grow_cleared): New.
14944
14945 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
14946
14947         * c-common.c (c_common_nodes_and_builtins): Since variants of
14948         void_type_node get built before it is given a name, we need to
14949         give those variants the name, too.
14950         (complete_array_type): We need to work with the canonical main
14951         type of the array, from which we will build the qualified version.
14952         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
14953         * print-tree.c (print_node): Display canonical type information
14954         for each type.
14955         * stor-layout.c (layout_type): When we don't know the
14956         alignment of a type for which we're building an array, we end up
14957         guessing wrong, so make the type require structural equality.
14958         * tree.c (make_node_stat): When we build a new type, it is its
14959         own canonical type.
14960         (build_type_attribute_qual_variant): When building an attribute
14961         variant, its canonical type is the non-attribute variant. However,
14962         if the attributes are target-dependent and they differ, we need to
14963         use structural equality checks for this type.
14964         (build_qualified_type): A qualified type is not equivalent to its
14965         unqualified variant; set the canonical type appropriately.
14966         (build_distinct_type_copy): When building a distinct type from
14967         another type, the new type is its own canonical type.
14968         (build_variant_type_copy): When building a new type variant, we
14969         assume that it is equivalent to the original type.
14970         (build_pointer_type_for_mode): When building a pointer type, also
14971         build a canonical type pointer.
14972         (build_reference_type_for_mode): When building a reference type,
14973         also build a canonical type reference.
14974         (build_index_type): When we can't hash an index type (e.g.,
14975         because its maximum value is negative), the index type requires
14976         structural equality tests.
14977         (build_array_type): Build the canonical form of an array type.
14978         (build_function_type): Function types require structural equality,
14979         because they contain default arguments, attributes, etc.
14980         (build_method_type_directly): Ditto for method types.
14981         (build_offset_type): Build the canonical offset type.
14982         (build_complex_type): Build the canonical vector type.
14983         (make_vector_type): Build the canonical vector type.
14984         * tree.h (TYPE_CANONICAL): New.
14985         (TYPE_STRUCTURAL_EQUALITY_P): New.
14986         (SET_TYPE_STRUCTURAL_EQUALITY): New.
14987         (struct tree_type): Added "canonical" field.
14988         * params.h (VERIFY_CANONICAL_TYPES): New.
14989         * doc/c-tree.texi (TYPE_CANONICAL): Document.
14990         (TYPE_STRUCTURAL_EQUALITY_P): Document.
14991         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
14992         * doc/invoke.texi (verify-canonical-types): Document --param
14993         parameter for verifying canonical types.
14994
14995 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
14996
14997         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
14998         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
14999         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
15000         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
15001         tm_file.
15002         * config/rs6000/e500.h: New.
15003         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
15004         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
15005         Remove.
15006         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
15007         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
15008         TARGET_E500_DOUBLE): Remove.
15009         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
15010         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
15011         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
15012         * config/rs6000/rs6000.c (rs6000_override_options): Use
15013         CHECK_E500_OPTIONS.
15014
15015 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
15016
15017         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
15018         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
15019         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
15020         rs6000_emit_cmove): Don't check TARGET_E500.
15021         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
15022         sordered): Don't check TARGET_E500.
15023
15024 2007-01-01  Eric Christopher  <echristo@apple.com>
15025
15026         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
15027         HARD_REGISTER_NUM_P.
15028
15029 2007-01-01  Roger Sayle  <roger@eyesopen.com>
15030
15031         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
15032         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
15033         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
15034         eq/ne Y".
15035
15036 2007-01-01  Mike Stump  <mrs@apple.com>
15037
15038         * configure.ac: Remove support for building with Apple's gcc-3.1.
15039
15040 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
15041
15042         PR middle-end/30311
15043         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
15044         REG is a hard register.  Do not modify REG before calling
15045         subreg_nregs.
15046         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
15047         multiple of the size of YMODE for certain lowpart cases.
15048
15049 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
15050
15051         PR middle-end/30253
15052         * gimplify (voidify_wrapper_expr): Update for
15053         GIMPLE_MODIFY_STMT.
15054
15055 2007-01-01  Andreas Schwab  <schwab@suse.de>
15056
15057         PR target/29166
15058         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
15059         save of BR0 in extra_spill_size instead of spill_size.
15060         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
15061         area.
15062         (ia64_expand_epilogue): Restore BR0 from its new location.
15063
15064 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
15065
15066         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
15067         Use a temporary variable if the left hand side is not a gimple
15068         register.
15069
15070 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
15071
15072         * gimplify.c (gimplify_return_expr): Make the temporary variable
15073         for the return expression, a gimple register variable.
15074
15075 2007-01-01  Jan Hubicka  <jh@suse.cz>
15076
15077         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
15078         INSN_LIST.
15079
15080 2007-01-01  Mike Stump  <mrs@apple.com>
15081
15082         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
15083         .literal16.
15084         * config/darwin.c (machopic_select_rtx_section): Use
15085         HAVE_GAS_LITERAL16.
15086         (darwin_mergeable_constant_section): Likewise.
15087         * configure: Regenerate.
15088         * config.in: Regenerate.
15089
15090 2007-01-01  Jan Hubicka  <jh@suse.cz>
15091             Andrew Pinski  <pinskia@gmail.com>
15092
15093         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
15094         before starting IPA passes.