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* c-tree.h (start_enum): Update.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-06-04  Tom Tromey  <tromey@redhat.com>
2
3         * c-tree.h (start_enum): Update.
4         (build_enumerator): Likewise.
5         * c-decl.c (enum_next_value): Removed.
6         (enum_overflow): Likewise.
7         (start_enum): Add c_enum_contents argument.  Don't use globals.
8         (build_enumerator): Likewise.
9         * c-tree.h (struct c_enum_contents): New struct.
10
11 2007-06-04  Tom Tromey  <tromey@redhat.com>
12
13         * c-common.c (c_common_get_alias_set): Fix indentation.
14
15 2007-06-04  Ian Lance Taylor  <iant@google.com>
16
17         * tree-vrp.c (adjust_range_with_scev): When loop is not expected
18         to overflow, reduce overflow infinity to regular infinity.
19         (vrp_var_may_overflow): New static function.
20         (vrp_visit_phi_node): Check vrp_var_may_overflow.
21
22 2007-06-04  Kazu Hirata  <kazu@codesourcery.com>
23
24         * stor-layout.c (layout_type): Remove duplicate code.
25
26 2007-06-04  Uros Bizjak  <ubizjak@gmail.com>
27
28         PR c/32191
29         * gcc/c-common.c (c_define_builtins): Call targetm.init_builtins ()
30         before build_common_builtin_nodes ().
31
32 2007-06-04  Steve Ellcey  <sje@cup.hp.com>
33
34         PR target/31733
35         * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
36
37 2007-05-31  Jan Hubicka  <jh@suse.cz>
38
39         * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
40         reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
41         instead of _stat version.
42
43 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
44
45         PR tree-optimization/32194
46         * tree-predcom.c (determine_offset): Check that both references have
47         the same type.
48
49 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
50
51         * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
52         Change dom_bbs to vector.  Add argument to iterate_fix_dominators call.
53         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
54         * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
55         Add argument to iterate_fix_dominators call.
56         (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
57         * gcse.c (hoist_code): Change domby to vector.
58         * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
59         Add argument to iterate_fix_dominators call.
60         * loop-doloop.c (doloop_modify): Changed recount_dominator to
61         recompute_dominator.
62         * lambda-code.c (perfect_nestify): Ditto.
63         * cfgloopanal.c: Include graphds.h.
64         (struct edge, struct vertex, struct graph, dump_graph, new_graph,
65         add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
66         (mark_irreducible_loops): Use graphds_scc.  Remove argument from
67         add_edge call.
68         * graphds.c: New file.
69         * graphds.h: New file.
70         * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
71         (get_dominated_by, get_dominated_by_region): Change return type to
72         vector.
73         (verify_dominators): Recompute all dominators and compare the results.
74         (recount_dominator): Renamed to ...
75         (recompute_dominator): ... this.  Do not check that the block is
76         dominated by entry.
77         (iterate_fix_dominators): Reimplemented.
78         (prune_bbs_to_update_dominators, root_of_dom_tree,
79         determine_dominators_for_sons): New functions.
80         * et-forest.c (et_root): New function.
81         * et-forest.h (et_root): Declare.
82         * Makefile.in (graphds.o): Add.
83         (cfgloopanal.o): Add graphds.h dependency.
84         (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
85         * basic-block.h (get_dominated_by, get_dominated_by_region,
86         iterate_fix_dominators): Declaration changed.
87         (recount_dominator): Renamed to ...
88         (recompute_dominator): ... this.
89         * tree-ssa-threadupdate.c (thread_block): Free dominance info.
90         (thread_through_all_blocks): Do not free dominance info.
91
92 2007-06-03  Andreas Schwab  <schwab@suse.de>
93
94         * config/m68k/m68k.c (override_options): Don't override
95         REAL_MODE_FORMAT.
96         * config/m68k/m68k-modes.def (SF, DF): Define to use
97         motorola_single_format and motorola_double_format, resp.
98         * real.c (motorola_single_format): Renamed from
99         coldfire_single_format.
100         (motorola_double_format): Renamed from coldfire_double_format.
101         (encode_ieee_extended): Generate a proper canonical NaN image
102         respecting canonical_nan_lsbs_set.
103         (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
104         true.
105         * real.h: Adjust declarations.
106
107 2007-06-03  Kaz Kojima  <kkojima@gcc.gnu.org>
108
109         PR target/32163
110         * config/sh/sh.md (symGOT_load): Don't schedule insns when
111         the symbol is generated with the stack protector.
112
113 2007-06-03  Kazu Hirata  <kazu@codesourcery.com>
114
115         * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
116         (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
117         "interrupt".
118         * doc/extend.texi (interrupt): Mention m68k.
119
120 2007-06-02  Uros Bizjak  <ubizjak@gmail.com>
121
122         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
123         safe_vector_operand() if input operand is VECTOR_MODE_P operand.
124         (ix86_expand_sse_pcmpestr): Do not check operands for
125         "register_operand", when insn operand predicate is "register_operand".
126         (ix86_expand_sse_pcmpistr): Ditto.
127
128 2007-06-02  H.J. Lu  <hongjiu.lu@intel.com>
129             Uros Bizjak  <ubizjak@gmail.com>
130
131         * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
132         (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
133         (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
134         (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
135         * config/i386/constraints.md ("z"): New register constraint
136         for members of SSE_FIRST_REG class.
137         * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
138         * config/i386/i386.c (regclass_map): Change class of %xmm0 to
139         SSE_FIRST_REG class.
140         (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
141         (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
142         (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
143         (IX86_BUILTIN_PCMPESTRM128): Likewise.
144         (IX86_BUILTIN_PCMPESTRA128): Likewise.
145         (IX86_BUILTIN_PCMPESTRC128): Likewise.
146         (IX86_BUILTIN_PCMPESTRO128): Likewise.
147         (IX86_BUILTIN_PCMPESTRS128): Likewise.
148         (IX86_BUILTIN_PCMPESTRZ128): Likewise.
149         (IX86_BUILTIN_PCMPISTRI128): Likewise.
150         (IX86_BUILTIN_PCMPISTRM128): Likewise.
151         (IX86_BUILTIN_PCMPISTRA128): Likewise.
152         (IX86_BUILTIN_PCMPISTRC128): Likewise.
153         (IX86_BUILTIN_PCMPISTRO128): Likewise.
154         (IX86_BUILTIN_PCMPISTRS128): Likewise.
155         (IX86_BUILTIN_PCMPISTRZ128): Likewise.
156         (struct builtin_description): Change "flag" field to unsigned.
157         (bdesc_pcmpestr): New builtin description table.
158         (bdesc_pcmpistr): Likewise.
159         (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
160         v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
161         Initialize pcmp[ei]str[im] insns for SSE4.2.
162         (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
163         (ix86_expand_sse_pcmpistr): Likewise.
164         (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
165         * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
166         (UNSPEC_PCMPISTR): Likewise.
167         * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
168         (sse4_2_pcmpestri):New isns pattern.
169         (sse4_2_pcmpestrm): Likewise.
170         (sse4_2_pcmpestr_cconly): Likewise.
171         (sse4_2_pcmpistr): New insn patern and splitter.
172         (sse4_2_pcmpistri):New isns pattern.
173         (sse4_2_pcmpistrm): Likewise.
174         (sse4_2_pcmpistr_cconly): Likewise.
175         * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
176         in SSE4.2.
177
178 2007-06-01  David Daney  <ddaney@avtrex.com>
179
180         * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
181         LOADGP_ABSOLUTE and not binds_local_p.
182         
183 2007-06-01  Geoffrey Keating  <geoffk@apple.com>
184
185         * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
186
187 2007-06-01  Ian Lance Taylor  <iant@google.com>
188
189         * tree-vrp.c (compare_name_with_value): Always set
190         used_strict_overflow if we get a result from the variable itself.
191
192 2007-06-01  Ian Lance Taylor  <iant@google.com>
193
194         PR rtl-optimization/31455
195         * lower-subreg.c (find_decomposable_subregs): Don't decompose
196         subregs which have a cast between modes which are not tieable.
197
198 2007-06-01  Uros Bizjak  <ubizjak@gmail.com>
199
200         * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
201         breaks after return statements.
202
203 2007-06-01  Kaz Kojima  <kkojima@gcc.gnu.org>
204
205         * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
206         only after no_new_pseudos.
207
208 2007-05-31  Eric Christopher  <echristo@apple.com>
209
210         * expr.c (convert_move): Assert that we don't have a BLKmode
211         operand.
212         (store_expr): Handle BLKmode moves by calling emit_block_move.
213
214 2007-05-31  Daniel Berlin  <dberlin@dberlin.org>
215
216         * c-typeck.c (build_indirect_ref): Include type in error message.
217         (build_binary_op): Pass types to binary_op_error.
218         * c-common.c (binary_op_error): Take two type arguments, print out
219         types with error.
220         * c-common.h (binary_op_error): Update prototype.
221
222 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
223
224         * config/i386/i386.c: Correct coments on -mno-sse4.
225
226 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
227
228         * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
229         (x86_64-*-*): Likewise.
230         * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
231         (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
232         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
233         (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
234         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
235         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
236         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
237         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
238         (OPTION_MASK_ISA_SSE4): Likewise.
239         (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
240         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
241         (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET.  Handle SSE4.2.
242         (override_options): Support SSE4.2.
243         (ix86_build_const_vector): Support SImode and DImode.
244         (ix86_build_signbit_mask): Likewise.
245         (ix86_expand_int_vcond): Support V2DImode.
246         (IX86_BUILTIN_CRC32QI): New for SSE4.2.
247         (IX86_BUILTIN_CRC32HI): Likewise.
248         (IX86_BUILTIN_CRC32SI): Likewise.
249         (IX86_BUILTIN_CRC32DI): Likewise.
250         (IX86_BUILTIN_PCMPGTQ): Likewise.
251         (bdesc_crc32): Likewise.
252         (bdesc_sse_3arg): Likewise.
253         (ix86_expand_crc32): Likewise.
254         (ix86_init_mmx_sse_builtins): Support SSE4.2.
255         (ix86_expand_builtin): Likewise.
256         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
257         __SSE4_2__ for -msse4.2.
258         * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
259         (CRC32MODE): Likewise.
260         (crc32modesuffix): Likewise.
261         (crc32modeconstraint): Likewise.
262         (sse4_2_crc32<mode>): Likewise.
263         (sse4_2_crc32di): Likewise.
264         * config/i386/i386.opt (msse4.2): New for SSE4.2.
265         (msse4): Likewise.
266         * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
267         * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
268         * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
269         (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
270         (vcondu<mode>): Likewise.
271         * doc/extend.texi: Document SSE4.2 built-in functions.
272         * doc/invoke.texi: Document -msse4.2/-msse4.
273
274 2007-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
275
276         PR tree-optimization/32160
277         * tree-predcom.c (predcom_tmp_var): New function.  Mark created
278         variable as gimple reg.
279         (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
280
281 2007-05-31  Kazu Hirata  <kazu@codesourcery.com>
282
283         * gcc.c (main): Don't consider linker options when issuing the
284         warning about a linker input file not being used.
285
286 2007-05-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
287
288         * tree-vrp.c (compare_names): Initialize sop.
289
290 2007-05-30  Dirk Mueller  <dmueller@suse.de>
291
292         * cgraphunit.c (cgraph_analyze_function): Remove
293         computation of inline parameters.
294
295 2007-05-30  Uros Bizjak  <ubizjak@gmail.com>
296
297         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
298
299 2007-05-30  Richard Sandiford  <richard@codesourcery.com>
300
301         * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
302         Add vx-common.h.  Include vxworks.h between vx-common.h and
303         arm/vxworks.h.
304         * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
305         redefining.
306         * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
307         (TARGET_ASM_DESTRUCTOR): Likewise.
308         * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
309         instead of arm_is_xscale.  Use VXWORKS_OS_CPP_BUILTINS.
310         (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
311         (CC1_SPEC): Add -tstrongarm.  Line up backslashes.
312         (VXWORKS_ENDIAN_SPEC): Define.
313         (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
314         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
315         VXWORKS_* equivalents.
316         (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
317         (ASM_FILE_START): Delete.
318         (TARGET_VERSION): Reformat.
319         (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
320         (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
321         * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
322         (FPBIT, DPBIT): Define.
323         (fp-bit.c, dp-bit.c): New rules.
324         (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
325         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
326         * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
327         * config/arm/arm.h: Include vxworks-dummy.h.
328         * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
329         Mark with ATTRIBUTE_UNUSED.
330         (arm_override_options): Do not allow VxWorks RTP PIC to be used
331         for Thumb.  Force r9 to be the PIC register for VxWorks RTPs and
332         make it incompatible with -msingle-pic-base.
333         (arm_function_ok_for_sibcall): Return false for calls that might
334         go through a VxWorks PIC PLT entry.
335         (require_pic_register): New function, split out from...
336         (legitimize_pic_address): ...here.  Do not use GOTOFF accesses
337         for VxWorks RTPs.
338         (arm_load_pic_register): Handle the VxWorks RTP initialization
339         sequence.  Use pic_reg as a shorthand for cfun->machine->pic_reg.
340         (arm_emit_call_insn): New function.
341         (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
342         * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
343         (pic_offset_arm): New pattern.
344         (call, call_value): Use arm_emit_call_insn.
345         (call_internal, call_value_internal): New expanders.
346         * config/arm/lib1funcs.asm (__PLT__): Define to empty for
347         VxWorks unless __PIC__.
348
349 2007-05-30  Eric Christopher  <echristo@gmail.com>
350
351         * genrecog.c: Include regs.h in generated file.
352         * genemit.c: Ditto. Fix up formatting.
353         * config/mn10300/constraints.md: New.
354         * config/mn10300/mn10300.md: Include.
355         * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
356         Fix up for removed macro.
357         * config/mn10300/predicates.md (call_address_operand):  Ditto.
358         * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
359         (CONST_OK_FOR_I): Ditto.
360         (CONST_OK_FOR_J): Ditto.
361         (CONST_OK_FOR_K): Ditto.
362         (CONST_OK_FOR_L): Ditto.
363         (CONST_OK_FOR_M): Ditto.
364         (CONST_OK_FOR_N): Ditto.
365         (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
366         (OK_FOR_Q): Ditto.
367         (OK_FOR_R): Ditto.
368         (OK_FOR_T): Ditto.
369         (EXTRA_CONSTRAINT): Ditto.
370
371 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
372
373         * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
374         Remove defines.
375         * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
376         OPTION_MASK_ISA_64BIT.
377         * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
378
379 2007-05-30  Richard Guenther  <rguenther@suse.de>
380
381         PR middle-end/32152
382         * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
383         types for comparison.
384         * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
385         with original typed arguments.
386         * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
387
388 2007-05-30  Jakub Jelinek  <jakub@redhat.com>
389
390         PR tree-optimization/31769
391         * except.c (duplicate_eh_regions): Clear prev_try if
392         ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
393
394 2007-05-30  Zdenek Dvorak  <dvorakz@suse.cz>
395
396         * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
397         * tree-ssa-sink.c (statement_sink_location): Return basic block and
398         bsi of the location where statements should be inserted.
399         (sink_code_in_bb): Take bsi from statement_sink_location.
400         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
401         instead of bsi_start.
402         * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
403         bsi_insert_after.
404         * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
405         (bsi_move_before): Document inconsistency with bsi_move_after.
406         (tree_redirect_edge_and_branch): Do not create labels if not necessary.
407
408 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
409
410         * config/i386/i386.h (TARGET_ABM): New define.
411         (TARGET_POPCNT): Ditto.
412         (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
413         New temporary defines to redefine from OPTION_ISA_* defines.
414         (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
415         New temporary defines to redefine from OPTION_MASK_ISA_* defines.
416         (ix86_isa_flags): New extern int declaration.
417         (TARGET_SUBTARGET_DEFAULT): New define.
418         (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
419         (TARGET_SUBTARGET32_DEFAULT): Ditto.
420         (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
421         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
422         * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
423         * config/i386/darwin.h: Change TARGET_64BIT define to
424         OPTION_ISA_64BIT.
425
426         * config/i386/i386.opt (m3dnowa): Define as undocumented option
427         using existing "ix86_isa_flags" varible.
428         (m32, m64): Use existing "ix86_isa_flags" variable.
429         (mmmx, m3dnow): Ditto.
430         (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
431         (mabm): Define as non-negative option using "x86_abm" variable.
432         (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
433
434         * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
435         Rewrite feature test bitmap.
436         (ix86_isa_flags): New initialized global int varible.
437         (ix86_isa_flags_explicit): New static int variable.
438         (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
439         msse, msse2, msse3, msse4.1 and msse4a option is processed.  Change
440         i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
441         target_flags_explicit.
442         (override_options): Remove "target_enable" and "target_disable" fields
443         from "struct ptt". Update processor_target_table accordingly. Remove
444         PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
445         defined and rearrange PTA_* bits.  Use "ix86_isa_flags" instead of
446         "target_flags" and "ix86_isa_flags_explicit" instead of
447         "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
448         MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*.  Set "x86_abm" to true when
449         PTA_ABM is set in processor_alias_table flags entry.  Set "x86_popcnt"
450         to true when either of PTA_POPCNT or PTA_ABM is set in
451         processor_alias_table flags entry.  Set "x86_prefetch_sse" to true
452         when either of PTA_PREFETCH_SSE or PTA_SSE is set in
453         processor_alias_table flags entry.  Remove handling of
454         "target_enable" and "target_disable" fields of processor_target_table.
455         Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
456         targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
457         Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
458         targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
459         (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
460         "target_flags".
461         (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
462
463 2007-05-29  David Daney  <ddaney@avtrex.com>
464
465         PR gcc/31975
466         * config/mips/mips.c (mips_output_mi_thunk): Emit
467         NOTE_INSN_PROLOGUE_END at beginning of the thunk.
468
469 2007-05-29  Hui-May Chang  <hm.chang@apple.com>
470         * config/i386/i386.c (ix86_function_regparm): Added checking of
471         ix86_force_align_arg_pointer to determine the number of
472         register parameters.
473
474 2007-05-29  Zdenek Dvorak  <dvorakz@suse.cz>
475
476         * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
477         (SET_DR_MISALIGNMENT): New.
478         * tree-vect-analyze.c (vect_compute_data_ref_alignment,
479         vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
480         Use SET_DR_MISALIGNMENT.
481         * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
482         pointer.
483         * tree-data-ref.c (create_data_ref, compute_all_dependences,
484         find_loop_nest): Export.
485         * tree-data-ref.h (struct data_reference): Change aux field to pointer.
486         (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
487         * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
488         (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
489         New macros.
490         (struct mem_ref): Add field reuse_distance.
491         (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
492         Initialize reuse_distance field.
493         (issue_prefetch_ref): Select temporality of prefetch according to
494         reuse_distance.
495         (volume_of_references, volume_of_dist_vector, add_subscript_strides,
496         self_reuse_distance, determine_loop_nest_reuse): New functions.
497         (loop_prefetch_arrays): Call determine_loop_nest_reuse.
498         (tree_ssa_prefetch_arrays): Dump L2 cache size.
499         * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
500         dependency.
501
502 2007-05-29  Daniel Berlin  <dberlin@dberlin.org>
503
504         * tree-ssa-alias.c: Add aliasing overview.
505
506 2007-05-29  Zuxy Meng  <zuxy.meng@gmail.com>
507             Danny Smith  <dannysmith@users.sourceforge.net>
508
509         PR target/29498
510         * config/i386/t-crtfm: Compile crtfastmath.o with
511         -minline-all-stringops.
512         * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
513         * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
514
515 2007-05-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
516
517         * doc/md.texi: Document constraints on HP PA-RISC.
518
519         * pa/constraints.md: New file.
520         * pa.md: Include constraints.md.
521         * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
522         (integer_store_memory_operand, ldil_cint_p): New functions.
523         * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
524         * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
525         IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
526         * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
527         * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
528
529 2007-05-28  Andrew Pinski  <Andrew_pinski@playstation.sony.com>
530
531         PR c/31339
532         * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
533         case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
534         case POSTDECREMENT_EXPR>): Return the error_mark_node
535         if either the real or imaginary parts would an
536         error_mark_node.
537
538 2007-05-28  Daniel Berlin  <dberlin@dberlin.org>
539
540         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
541         name when we remove it from a call.
542
543 2007-05-28  Kazu Hirata  <kazu@codesourcery.com>
544
545         * targhooks.c (default_narrow_bitfield): Remove.
546         * targhooks.h: Remove the prototype for
547         default_narrow_bitfield.
548
549         * langhooks-def.h: Remove the prototype for
550         hook_get_alias_set_0.
551         * langhooks.c (hook_get_alias_set_0): Remove.
552
553         * global.c (EXECUTE_IF_CONFLICT): Remove.
554
555 2007-05-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
556
557         PR tree-opt/32100
558         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
559         return true when truth_value_p is true and the type
560         is of signed:1.
561
562 2007-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
563
564         * doc/install.texi (Prerequisites): We no longer require Autoconf
565         2.13 for the top-level.
566
567 2007-05-28  Uros Bizjak  <ubizjak@gmail.com>
568
569         * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
570         memory access via x86_expand_vector_move_misalign() only for
571         TImode values on 32-bit targets.
572
573 2007-05-28  Razya Ladelsky  <razya@il.ibm.com>
574
575         * matrix-reorg.c: New file. Implement matrix flattening and
576         transposing optimization.
577         * tree-pass.h: Add matrix reorg pass.
578         * common.opt: Add fipa-mreorg flag.
579         * Makefile.in: Add matrix-reorg.c.
580         * passes.c: Add matrix reorg pass.
581         * varpool.c (add_new_static_var): New function.
582         * cgraph.h (add_new_static_var): Declare.
583
584 2007-05-27  Eric Christopher  <echristo@apple.com>
585
586         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
587         sp_offset depending on stack size. Save r12 depending
588         on registers we're saving later.
589         (rs6000_emit_epilogue): Update sp_offset depending only
590         on stack size.
591
592 2007-05-27  Zdenek Dvorak  <dvorakz@suse.cz>
593
594         * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
595         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
596         * ifcvt.c (if_convert): Ditto.
597         * tree-ssa-threadupdate.c (thread_block): Ditto.
598         (thread_through_all_blocks): Ditto.  Assert that loops were analysed.
599         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
600         verify_loop_closed_ssa): Check number_of_loops instead of
601         current_loops.
602         * predict.c (tree_estimate_probability): Ditto.
603         * tree-if-conv.c (main_tree_if_conversion): Ditto.
604         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
605         * modulo-sched.c (sms_schedule): Ditto.
606         * tree-scalar-evolution.c (scev_const_prop): Ditto.
607         (scev_finalize): Do not do anything if scev analysis was not
608         initialized.
609         * cfgloopanal.c (mark_irreducible_loops): Do not check whether
610         current_loops == NULL.
611         (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
612         * loop-init.c (loop_optimizer_init): Do not free current_loops when
613         there are no loops.
614         (loop_optimizer_finalize): Assert that loops were analyzed.
615         (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
616         rtl_doloop): Check number_of_loops instead of current_loops.
617         * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
618         current_loops == NULL.
619         (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
620         gate_tree_vectorize tree_linear_transform, check_data_deps,
621         tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
622         tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
623         Check number_of_loops instead of current_loops.
624         (tree_ssa_loop_done): Do not check whether current_loops == NULL.
625         * tree-ssa-pre.c (fini_pre): Do not take do_fre argument.  Always
626         free loops if available.
627         (execute_pre): Do not pass do_fre to fini_pre.
628
629 2007-05-27  Tobias Burnus  <burnus@net-b.de>
630
631         PR middle-end/32083
632         * real.c (mpfr_from_real): Fix sign of -Inf.
633
634 2007-05-27  H.J. Lu  <hongjiu.lu@intel.com>
635
636         * tree-vect-transform.c (vectorizable_conversion): Initialize
637         tree_code variables to ERROR_MARK.
638         (vectorizable_type_demotion): Likewise.
639         (vectorizable_type_promotion): Likewise.
640
641 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
642
643         PR target/32065
644         * config/i386/i386.md (movti): Handle push operands via
645         ix86_expand_push().
646
647 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
648
649         * basic-block.h: Remove the prototype for merge_seq_blocks.
650         * cfgcleanup.c (merge_seq_blocks): Remove.
651
652         * tree-flow.h: Remove the prototype for is_aliased_with.
653         * tree-ssa-alias.c (is_aliased_with): Remove.
654
655 2007-05-26  H.J. Lu  <hongjiu.lu@intel.com>
656
657         * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
658
659         * config/i386/i386.c (ix86_expand_sse4_unpack): New.
660
661         * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
662         ix86_expand_sse4_unpack if SSE4.1 is enabled.
663         (vec_unpacks_hi_v16qi): Likewise.
664         (vec_unpacku_lo_v16qi): Likewise.
665         (vec_unpacks_lo_v16qi): Likewise.
666         (vec_unpacku_hi_v8hi): Likewise.
667         (vec_unpacks_hi_v8hi): Likewise.
668         (vec_unpacku_lo_v8hi): Likewise.
669         (vec_unpacks_lo_v8hi): Likewise.
670         (vec_unpacku_hi_v4si): Likewise.
671         (vec_unpacks_hi_v4si): Likewise.
672         (vec_unpacku_lo_v4si): Likewise.
673         (vec_unpacks_lo_v4si): Likewise.
674
675 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
676
677         * c-typeck.c, config/arm/arm.c, config/darwin.c,
678         config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
679         omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
680         follow spelling conventions in various
681         warning/error/diagnostic messages.
682
683         * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
684         df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
685         fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
686         tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
687         tree-vrp.c: Fix comment typos.  Follow spelling conventions.
688         * doc/tm.texi: Follow spelling conventions.
689
690 2007-05-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
691
692         PR tree-opt/32090
693         * tree-ssa-forwprop.c
694         (forward_propagate_addr_into_variable_array_index): Remove
695         the lhs argument.  Use the type of def_rhs instead of lhs.
696         (forward_propagate_addr_expr_1): Update use of
697         forward_propagate_addr_into_variable_array_index.
698
699 2007-05-25  Sandra Loosemore  <sandra@codesourcery.com>
700             Nigel Stephens  <nigel@mips.com>
701
702         * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
703         function attributes, "far" being an alias for "long_call".
704         (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
705         (mips_near_type_p, mips_far_type_p): New.
706         (mips_comp_type_attributes): New function to check that attributes
707         attached to a function type are compatible.
708         (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
709         TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
710         to the target function of the thunk.
711         (mips_encode_section_info): Check for "near" and "far" function
712         attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
713
714         * config/mips/predicates.md (const_call_insn_operand): Test only
715         SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
716
717         * doc/extend.texi (Function Attributes): Document MIPS "near" and
718         "far" attributes.
719
720         * testsuite/gcc.target/mips/near-far-1.c:  New test case.
721         * testsuite/gcc.target/mips/near-far-2.c:  New test case.
722         * testsuite/gcc.target/mips/near-far-3.c:  New test case.
723         * testsuite/gcc.target/mips/near-far-4.c:  New test case.
724
725 2007-05-25  Eric Christopher  <echristo@apple.com>
726
727         * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
728         to x86-darwin configurations.
729         * config/i386/t-darwin: Add softfp support.
730         * config/i386/t-darwin64: Ditto.
731         * config/i386/sfp-machine.h: If mach then don't use
732         aliasing, emit a stub to call.
733
734 2007-05-25  Kazu Hirata  <kazu@codesourcery.com>
735
736         * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
737         haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
738         tree-predcom.c, tree-ssa-alias-warnings.c,
739         tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
740         comment typos.  Follow spelling conventions.
741         * doc/cpp.texi, doc/invoke.texi: Fix typos.
742
743 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
744
745         PR target/32065
746         * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
747         constants into memory.  Expand unaligned memory references for
748         SSE modes via x86_expand_vector_move_misalign() function.
749
750 2007-05-25  Uros Bizjak  <ubizjak@gmail.com>
751
752         * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
753         "memory" attribute for "sseishft" type insn without operands[2].
754
755 2007-05-25  Dirk Mueller  <dmueller@suse.de>
756             Marcus Meissner <meissner@suse.de>
757
758         * doc/extend.texi (alloc_size): New attribute.
759         * c-common.c (handle_alloc_size_attribute): New.
760         * tree-object-size.c (alloc_object_size): Use alloc_size
761         attribute, if available.
762
763 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
764
765         * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
766         with MASK_SSE2.
767         (__builtin_ia32_vec_ext_v2di): Likewise.
768         (__builtin_ia32_vec_ext_v4si): Likewise.
769         (__builtin_ia32_vec_ext_v8hi): Likewise.
770         (__builtin_ia32_vec_ext_v16qi): Likewise.
771         (__builtin_ia32_vec_set_v8hi): Likewise.
772
773 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
774
775         * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
776
777 2007-05-25  Richard Sandiford  <richard@codesourcery.com>
778
779         * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
780         (arm_is_longcall_p): Rename to...
781         (arm_is_long_call_p): ...this.  Take a single tree argument and
782         return a bool.
783         * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
784         (CUMULATIVE_ARGS): Remove call_cookie.
785         (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
786         (ENCODED_LONG_CALL_ATTR_P): Delete.
787         (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
788         LONG_CALL_FLAG_CHAR cases.
789         (ARM_DECLARE_FUNCTION_SIZE): Delete.
790         * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
791         ARM_DECLARE_FUNCTION_SIZE.
792         * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
793         (arm_function_arg): Return const0_rtx for VOIDmode arguments.
794         (arm_encode_call_attribute, current_file_function_operand): Delete.
795         (arm_function_in_section_p): New function.
796         (arm_is_longcall_p): Rename to...
797         (arm_is_long_call_p): ...this.  Take the target function as a single
798         argument and return a bool.  Do not rely on call cookies.  Check
799         whether the target symbol is in the same section as the current
800         function, not just the same compilation unit.
801         (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
802         (arm_encode_section_info): Don't encode a call type.
803         * config/arm/arm.md (call, call_value): Update calls to
804         arm_is_long(_)call_p.  Simplify logic.
805         (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
806         Update calls to arm_is_long(_)call_p.
807
808 2007-05-25  Richard Guenther  <rguenther@suse.de>
809
810         PR tree-optimization/31982
811         * tree-ssa-forwprop.c
812         (forward_propagate_addr_into_variable_array_index): Handle arrays
813         with element size one.
814
815 2007-05-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
816
817         * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
818         (umulsi3_highpart): Likewise.
819
820 2007-05-24  Ian Lance Taylor  <iant@google.com>
821
822         PR rtl-optimization/32069
823         * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
824         is NULL.
825
826 2007-05-24  Ollie Wild  <aaw@google.com>
827
828         * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
829         description.
830
831 2007-05-24  Richard Sandiford  <rsandifo@nildram.co.uk>
832
833         * postreload-gcse.c (reg_changed_after_insn_p): New function.
834         (oprs_unchanged_p): Use it to check all registers in a REG.
835         (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
836         (reg_set_between_after_reload_p): Delete.
837         (reg_used_between_after_reload_p): Likewise.
838         (reg_set_or_used_since_bb_start): Likewise.
839         (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
840         and reg_used_between_p instead of reg_set_or_used_since_bb_start.
841         Use reg_set_between_p instead of reg_set_between_after_reload_p.
842         * rtlanal.c (reg_set_p): Check whether REG overlaps
843         regs_invalidated_by_call, rather than just checking the
844         membership of REGNO (REG).
845
846 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
847
848         * doc/passes.texi: Document predictive commoning.
849         * doc/invoke.texi (-fpredictive-commoning): Document.
850         * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
851         * tree-ssa-loop-im.c (get_lsm_tmp_name): Export.  Allow
852         adding indices to the generated name.
853         (schedule_sm): Pass 0 to get_lsm_tmp_name.
854         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
855         * tree-pretty-print.c (op_symbol_1): Renamed to ...
856         (op_symbol_code): ... and exported.
857         (dump_omp_clause, op_symbol): Use op_symbol_code
858         instead of op_symbol_1.
859         * tree-pass.h (pass_predcom): Declare.
860         * timevar.def (TV_PREDCOM): New timevar.
861         * tree-ssa-loop.c (run_tree_predictive_commoning,
862         gate_tree_predictive_commoning, pass_predcom): New.
863         * tree-data-ref.c (find_data_references_in_loop): Find the
864         references in dominance order.
865         (canonicalize_base_object_address): Ensure that the result has
866         pointer type.
867         (dr_analyze_innermost): Export.
868         (create_data_ref): Code to fail for references with invariant
869         address moved ...
870         (find_data_references_in_stmt): ... here.
871         * tree-data-ref.h (dr_analyze_innermost): Declare.
872         * tree-affine.c: Include tree-gimple.h and hashtab.h.
873         (aff_combination_find_elt, name_expansion_hash,
874         name_expansion_eq, tree_to_aff_combination_expand,
875         double_int_constant_multiple_p, aff_combination_constant_multiple_p):
876         New functions.
877         * tree-affine.h (aff_combination_constant_multiple_p,
878         tree_to_aff_combination_expand): Declare.
879         * tree-predcom.c: New file.
880         * common.opt (fpredictive-commoning): New option.
881         * tree-flow.h (op_symbol_code, tree_predictive_commoning,
882         stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
883         * Makefile.in (tree-predcom.o): Add.
884         (tree-affine.o): Add TREE_GIMPLE_H dependency.
885         * passes.c (init_optimization_passes):  Add dceloop after
886         copy propagation in loop optimizer.  Add predictive commoning
887         to loop optimizer passes.
888
889 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
890
891         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
892         default hook.
893
894 2007-05-24  Jan Hubicka  <jh@suse.cz>
895
896         * gengenrtl.c (gendecl, gendef): Output the gens annotated for
897         statistics.
898         (genheader): Include statistics.h.
899
900         * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
901         notes are gone.
902         * print-rtl.c (flag_dump_unnumbered): Update comments.
903         (print_rtl): Fix my previous change.
904         * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
905         specific data.
906
907 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
908
909         PR middle-end/32018
910         * tree-ssa-threadupdate.c (thread_through_loop_header): Use
911         set_loop_copy.
912         (thread_through_all_blocks): Call initialize_original_copy_tables
913         and free_original_copy_tables.
914         * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
915         Use set_loop_copy.
916         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
917         * cfghooks.c (duplicate_block): Use get_loop_copy.
918         * cfg.c: Include cfgloop.h.
919         (loop_copy): New hash table.
920         (initialize_original_copy_tables): Initialize loop_copy table.
921         (free_original_copy_tables): Free loop_copy table.
922         (copy_original_table_clear, copy_original_table_set,
923         set_loop_copy, get_loop_copy): New functions.
924         (set_bb_original, set_bb_copy): Use copy_original_table_set.
925         * cfgloop.h (struct loop): Remove copy field.
926         * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
927         * basic-block.h (set_loop_copy, get_loop_copy): Declare.
928
929 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
930
931         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
932         -msse/-msse2/-msse3.
933
934 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
935
936         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
937         __builtin_ia32_vec_set_v2di with MASK_64BIT.
938
939 2007-05-24  Danny Smith  <dannysmith@users.sourceforge.net>
940
941         PR target/27067
942         * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
943         * targhooks.h (default_mangle_decl_assembler_name): Declare
944         default hook.
945         * targhooks.c (default_mangle_decl_assembler_name): Define
946         default hook.
947         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
948         default hook.
949         * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
950         * langhooks.c (lhd_set_decl_assembler_name): Call
951         targetm.mangle_decl_assembler_name for names with global scope.
952
953         * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
954         default.
955         (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
956         * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
957         Declare.
958         * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
959         New. Factored out of i386_pe_encode_section_info.
960         (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
961         Move check for prior decoration of stdcall
962         symbols to i386_pe_encode_section_info.
963         (i386_pe_encode_section_info): Adjust call to
964         gen_stdcall_or_fastcall_suffix.  Use
965         i386_pe_maybe_mangle_decl_assembler_name, if needed.
966         (i386_pe_mangle_decl_assembler_name): New. Wrap
967         i386_pe_maybe_mangle_decl_assembler_name.
968
969 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
970
971         * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
972         INTEGRAL_TYPE_P and TYPE_UNSIGNED.
973         * langhooks.c (get_signed_or_unsigned_type): Don't check for
974         INTEGRAL_TYPE_P or TYPE_UNSIGNED.
975         (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
976         TYPE_UNSIGNED.
977
978 2007-05-23  Sandra Loosemore  <sandra@codesourcery.com>
979             Nigel Stephens  <nigel@mips.com>
980             Richard Sandiford  <richard@codesourcery.com>
981
982         Fix up MIPS16 hard float and add support for complex.
983
984         * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
985         (TARGET_SOFT_FLOAT_ABI): New.
986         (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
987         __mips_soft_float to reflect the ABI in use, not whether the
988         FPU is directly accessible (e.g., in MIPS16 mode).
989         (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
990         (UNITS_PER_FPVALUE): Likewise.
991
992         * config/mips/mips.c (mips_expand_call): Remove redundant
993         TARGET_MIPS16 check.
994         (mips_arg_regno): New.
995         (function_arg_advance): When setting bits in cum->fp_code for
996         MIPS16, don't subtract 1 from cum->arg_number, since it is now
997         zero-based.
998         (function_arg): Use mips_arg_regno.
999         (mips_return_mode_in_fpr_p): New.
1000         (mips16_call_stub_mode_suffix): New.
1001         (mips16_cfun_returns_in_fpr_p): New.
1002         (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
1003         (mips_output_function_prologue): Test mips16_hard_float, not
1004         !TARGET_SOFT_FLOAT, to decide when a function stub is required.
1005         (mips_expand_epilogue): Call MIPS16 helper routines to copy
1006         return value into a floating-point register.
1007         (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
1008         (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
1009         (mips16_fp_args): Handle MIPS32r2 ISA which supports
1010         TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
1011         word of double arguments from or to the high bits of 64-bit
1012         floating point registers.
1013         (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
1014         (mips16_fpret_double): New helper function.
1015         (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p.  Add
1016         support for complex modes.  Fill in DECL_RESULT for stubdecl.
1017         (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
1018
1019         * config/mips/mips16.S
1020         (RET, ARG1, ARG2): New.
1021         (MERGE_GPRf, MERGE_GPRt): New.
1022         (DELAYt, DELAYf): New.
1023         (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
1024         (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
1025         (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
1026         (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
1027         (SFOP): Renamed to...
1028         (OPSF3): This, and macro-ified.  Updated all uses.
1029         (SFOP2): Renamed to...
1030         (OPSF2): This, and macro-ified.  Updated all uses.
1031         (SFCMP): Renamed to...
1032         (CMPSF): This, and macro-ified.  Updated all uses.
1033         (SFREVCMP): Renamed to...
1034         (REVCMPSF): This, and macro-ified.  Updated all uses.
1035         (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
1036         (LDDBL1, LDDBL2, RETDBL): Deleted.
1037         (DFOP): Renamed to...
1038         (OPDF3): This, and macro-ified.  Updated all uses.
1039         (DFOP2): Renamed to...
1040         (OPDF2): This, and macro-ified.  Updated all uses.
1041         (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
1042         (DFCMP): Renamed to...
1043         (CMPDF): This, and macro-ified.  Updated all uses.
1044         (DFREVCMP): Renamed to...
1045         (REVCMPDF): This, and macro-ified.  Updated all uses.
1046         (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
1047         (RET_FUNCTION): New.
1048         (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
1049         (__mips16_ret_sc, __mips16_ret_dc): New.
1050         (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
1051         STUB_ARGS_6, STUB_ARGS_10): New.
1052         (CALL_STUB_NO_RET): New.
1053         (__mips16_call_stub_1): Macro-ified.
1054         (__mips16_call_stub_5): Macro-ified.
1055         (__mips16_call_stub_2): Macro-ified.
1056         (__mips16_call_stub_6): Macro-ified.
1057         (__mips16_call_stub_9): Macro-ified.
1058         (__mips16_call_stub_10): Macro-ified.
1059         (CALL_STUB_RET): New.
1060         (__mips16_call_stub_sf_0): Macro-ified.
1061         (__mips16_call_stub_sf_1): Macro-ified.
1062         (__mips16_call_stub_sf_5): Macro-ified.
1063         (__mips16_call_stub_sf_2): Macro-ified.
1064         (__mips16_call_stub_sf_6): Macro-ified.
1065         (__mips16_call_stub_sf_9): Macro-ified.
1066         (__mips16_call_stub_sf_10): Macro-ified.
1067         (__mips16_call_stub_df_0): Macro-ified.
1068         (__mips16_call_stub_df_1): Macro-ified.
1069         (__mips16_call_stub_df_5): Macro-ified.
1070         (__mips16_call_stub_df_2): Macro-ified.
1071         (__mips16_call_stub_df_6): Macro-ified.
1072         (__mips16_call_stub_df_9): Macro-ified.
1073         (__mips16_call_stub_df_10): Macro-ified.
1074         (__mips16_call_stub_sc_0): New.
1075         (__mips16_call_stub_sc_1): New.
1076         (__mips16_call_stub_sc_5): New.
1077         (__mips16_call_stub_sc_2): New.
1078         (__mips16_call_stub_sc_6): New.
1079         (__mips16_call_stub_sc_9): New.
1080         (__mips16_call_stub_sc_10): New.
1081         (__mips16_call_stub_dc_0): New.
1082         (__mips16_call_stub_dc_1): New.
1083         (__mips16_call_stub_dc_5): New.
1084         (__mips16_call_stub_dc_2): New.
1085         (__mips16_call_stub_dc_6): New.
1086         (__mips16_call_stub_dc_9): New.
1087         (__mips16_call_stub_dc_10): New.
1088
1089         * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
1090         * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
1091         * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
1092
1093 2007-05-23  Ian Lance Taylor  <iant@google.com>
1094
1095         * doc/invoke.texi (Invoking GCC): Document that the order of the
1096         -l option matters.
1097
1098 2007-05-23  Chen Liqin  <liqin@sunnorth.com.cn>
1099
1100         PR target/30987
1101         * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
1102         * config/score/predicate.md (const_pow2, const_npow2): Remove.
1103         * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
1104         undef.
1105
1106         PR target/30474
1107         * config/score/score.c (score_print_operand): Make sure that only
1108         lower bits are used.
1109
1110 2007-05-22  Ian Lance Taylor  <iant@google.com>
1111
1112         * tree-vrp.c (avoid_overflow_infinity): New static function,
1113         broken out of set_value_range_to_value.
1114         (set_value_range_to_value): Call avoid_overflow_infinity.
1115         (extract_range_from_assert): Likewise.
1116
1117 2007-05-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1118
1119         PR middle-end/31095
1120          * builtins.c (expand_builtin_memmove_args): Strip nops that don't
1121         change the type before looking for a COMPOUND_EXPR.
1122
1123 2007-05-22  Ian Lance Taylor  <iant@google.com>
1124
1125         * lower-subreg.c (decompose_multiword_subregs): If we change an
1126         insn, call remove_retval_note on it.
1127
1128 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1129
1130         * regs.h (end_hard_regno): New function.
1131         (END_HARD_REGNO, END_REGNO): New macros.
1132         (add_to_hard_reg_set): New function.
1133         (remove_from_hard_reg_set): Likewise.
1134         (in_hard_reg_set_p): Likewise.
1135         (overlaps_hard_reg_set_p): Likewise.
1136         * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
1137         (note_btr_set): Use END_HARD_REGNO.
1138         * caller-save.c (setup_save_areas): Use end_hard_regno.
1139         (mark_set_regs): Use END_HARD_REGNO.
1140         (add_stored_regs): Use end_hard_regno.
1141         (mark_referenced_regs): Use add_to_hard_reg_set.
1142         * combine.c (update_table_tick): Use END_REGNO.
1143         (record_value_for_reg): Likewise.
1144         (record_dead_and_set_regs): Likewise.
1145         (get_last_value_validate): Likewise.
1146         (use_crosses_set_p): Likewise.
1147         (reg_dead_at_p_1): Likewise.
1148         (reg_dead_at_p): Likewise.
1149         (mark_used_regs_combine): Use add_to_hard_reg_set.
1150         (move_deaths): Use END_HARD_REGNO.
1151         (reg_bitfield_target_p): Use end_hard_regno.
1152         (distribute_notes): Use END_HARD_REGNO.
1153         * cse.c (mention_regs): Use END_REGNO.
1154         (insert): Use add_to_hard_reg_set.
1155         (invalidate): Use END_HARD_REGNO.
1156         (invalidate_for_call): Likewise.
1157         (exp_equiv_p): Use END_REGNO.
1158         (cse_insn): Likewise.
1159         * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
1160         * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
1161         * df-scan.c (df_ref_record): Use END_HARD_REGNO.
1162         * function.c (keep_stack_depressed): Use end_hard_regno.
1163         * global.c (global_alloc): Use end_hard_regno.
1164         (global_conflicts): Use add_to_hard_reg_set instead of
1165         mark_reg_live_nc.
1166         (find_reg): Likewise.
1167         (mark_reg_store): Likewise.
1168         (mark_reg_conflicts): Likewise.
1169         (mark_reg_death): Use remove_from_hard_reg_set.
1170         (mark_reg_live_nc): Delete.
1171         (set_preference): Use end_hard_regno.
1172         * local-alloc.c (mark_life): Use add_to_hard_reg_set and
1173         remove_from_hard_reg_set.
1174         (post_mark_life): Use add_to_hard_reg_set.
1175         * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
1176         (reg_becomes_live): Use add_to_hard_reg_set.
1177         * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
1178         (peep2_find_free_register): Use add_to_hard_reg_set.
1179         * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
1180         * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
1181         * regrename.c (note_sets): Use add_to_hard_reg_set.
1182         (clear_dead_regs): Use remove_from_hard_reg_set.
1183         (regrename_optimize): Use add_to_hard_reg_set.
1184         (find_oldest_value_reg): Use in_hard_reg_set_p.
1185         * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
1186         (hard_reg_set_here_p): Use end_hard_regno.
1187         (decompose): Likewise.
1188         (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
1189         (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
1190         * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
1191         (mark_home_live): Use end_hard_regno.
1192         (spill_hard_reg): Likewise.
1193         (clear_reload_reg_in_use): Likewise.
1194         * reorg.c (delete_prior_computation): Use END_REGNO.
1195         * resource.c (update_live_status): Use END_HARD_REGNO.
1196         (mark_referenced_resources): Use add_to_hard_reg_set.
1197         (mark_set_resources): Likewise.
1198         (mark_target_live_regs): Likewise.  Use remove_from_hard_reg_set.
1199         * rtlanal.c (refers_to_regno_p): Use END_REGNO.
1200         (reg_overlap_mentioned_p): Likewise.
1201         (dead_or_set_p): Likewise.  Use an exclusive upper loop bound.
1202         (covers_regno_no_parallel_p): Use END_REGNO.
1203         (find_regno_note): Likewise.
1204         (find_reg_fusage): Use END_HARD_REGNO.
1205         * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
1206         * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
1207
1208 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1209
1210         * mode-switching.c (reg_dies): Change type of second argument to
1211         "HARD_REG_SET *".
1212         (optimize_mode_switching): Update accordingly.
1213
1214 2007-05-22  Richard Sandiford  <richard@codesourcery.com>
1215
1216         * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
1217         in favor of...
1218         (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
1219         (hard_reg_set_empty_p): ...these new functions.
1220         * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
1221         GO_IF_HARD_REG_SUBSET.
1222         * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
1223         instead of GO_IF_HARD_REG_EQUAL.
1224         * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
1225         instead of GO_IF_HARD_REG_EQUAL.
1226         * global.c (find_reg): Use hard_reg_set_empty_p instead of
1227         GO_IF_HARD_REG_SUBSET.
1228         (modify_reg_pav): Use hard_reg_set_empty_p instead of
1229         GO_IF_HARD_REG_EQUAL.
1230         * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
1231         of GO_IF_HARD_REG_SUBSET.
1232         * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
1233         instead of GO_IF_HARD_REG_EQUAL.
1234         * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
1235         hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
1236         (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
1237         of GO_IF_HARD_REG_SUBSET,
1238         * reload1.c (finish_spills): Use hard_reg_subset_p instead of
1239         GO_IF_HARD_REG_SUBSET.
1240         * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
1241         instead of GO_IF_HARD_REG_EQUAL.
1242         * config/sh/sh.c (push_regs, calc_live_regs): Use
1243         hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
1244         (hard_regs_intersect_p): Delete.
1245
1246 2007-05-22  Janis Johnson  <janis187@us.ibm.com>
1247
1248         * doc/sourcebuild.texi (Test Directives) Add dg-message.
1249
1250 2007-05-22  H.J. Lu  <hongjiu.lu@intel.com>
1251             Richard Henderson  <rth@redhat.com>
1252
1253         * config.gcc (i[34567]86-*-*): Add smmintrin.h to
1254         extra_headers.
1255         (x86_64-*-*): Likewise.
1256
1257         * i386/i386-modes.def (V2QI): New.
1258
1259         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
1260         SSE4A.
1261         (override_options): Support SSE4.1.
1262         (IX86_BUILTIN_BLENDPD): New for SSE4.1.
1263         (IX86_BUILTIN_BLENDPS): Likewise.
1264         (IX86_BUILTIN_BLENDVPD): Likewise.
1265         (IX86_BUILTIN_BLENDVPS): Likewise.
1266         (IX86_BUILTIN_PBLENDVB128): Likewise.
1267         (IX86_BUILTIN_PBLENDW128): Likewise.
1268         (IX86_BUILTIN_DPPD): Likewise.
1269         (IX86_BUILTIN_DPPS): Likewise.
1270         (IX86_BUILTIN_INSERTPS128): Likewise.
1271         (IX86_BUILTIN_MOVNTDQA): Likewise.
1272         (IX86_BUILTIN_MPSADBW128): Likewise.
1273         (IX86_BUILTIN_PACKUSDW128): Likewise.
1274         (IX86_BUILTIN_PCMPEQQ): Likewise.
1275         (IX86_BUILTIN_PHMINPOSUW128): Likewise.
1276         (IX86_BUILTIN_PMAXSB128): Likewise.
1277         (IX86_BUILTIN_PMAXSD128): Likewise.
1278         (IX86_BUILTIN_PMAXUD128): Likewise.
1279         (IX86_BUILTIN_PMAXUW128): Likewise.
1280         (IX86_BUILTIN_PMINSB128): Likewise.
1281         (IX86_BUILTIN_PMINSD128): Likewise.
1282         (IX86_BUILTIN_PMINUD128): Likewise.
1283         (IX86_BUILTIN_PMINUW128): Likewise.
1284         (IX86_BUILTIN_PMOVSXBW128): Likewise.
1285         (IX86_BUILTIN_PMOVSXBD128): Likewise.
1286         (IX86_BUILTIN_PMOVSXBQ128): Likewise.
1287         (IX86_BUILTIN_PMOVSXWD128): Likewise.
1288         (IX86_BUILTIN_PMOVSXWQ128): Likewise.
1289         (IX86_BUILTIN_PMOVSXDQ128): Likewise.
1290         (IX86_BUILTIN_PMOVZXBW128): Likewise.
1291         (IX86_BUILTIN_PMOVZXBD128): Likewise.
1292         (IX86_BUILTIN_PMOVZXBQ128): Likewise.
1293         (IX86_BUILTIN_PMOVZXWD128): Likewise.
1294         (IX86_BUILTIN_PMOVZXWQ128): Likewise.
1295         (IX86_BUILTIN_PMOVZXDQ128): Likewise.
1296         (IX86_BUILTIN_PMULDQ128): Likewise.
1297         (IX86_BUILTIN_PMULLD128): Likewise.
1298         (IX86_BUILTIN_ROUNDPD): Likewise.
1299         (IX86_BUILTIN_ROUNDPS): Likewise.
1300         (IX86_BUILTIN_ROUNDSD): Likewise.
1301         (IX86_BUILTIN_ROUNDSS): Likewise.
1302         (IX86_BUILTIN_PTESTZ): Likewise.
1303         (IX86_BUILTIN_PTESTC): Likewise.
1304         (IX86_BUILTIN_PTESTNZC): Likewise.
1305         (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
1306         (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
1307         (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
1308         (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
1309         (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
1310         (bdesc_ptest): New.
1311         (bdesc_sse_3arg): Likewise.
1312         (bdesc_2arg): Likewise.
1313         (bdesc_1arg): Likewise.
1314         (ix86_init_mmx_sse_builtins): Support SSE4.1.  Handle SSE builtins
1315         with 3 args.
1316         (ix86_expand_sse_4_operands_builtin): New.
1317         (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
1318         smaller than 8 bits as the 2nd arg.
1319         (ix86_expand_sse_ptest): New.
1320         (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
1321         (ix86_expand_vector_set): Support SSE4.1.
1322         (ix86_expand_vector_extract): Likewise.
1323
1324         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
1325         __SSE4_1__ for -msse4.1.
1326
1327         * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
1328         (UNSPEC_INSERTPS): Likewise.
1329         (UNSPEC_DP): Likewise.
1330         (UNSPEC_MOVNTDQA): Likewise.
1331         (UNSPEC_MPSADBW): Likewise.
1332         (UNSPEC_PHMINPOSUW): Likewise.
1333         (UNSPEC_PTEST): Likewise.
1334         (UNSPEC_ROUNDP): Likewise.
1335         (UNSPEC_ROUNDS): Likewise.
1336
1337         * config/i386/i386.opt (msse4.1): New for SSE4.1.
1338
1339         * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
1340         (const_pow2_1_to_32768_operand): Likewise.
1341
1342         * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
1343         file.
1344
1345         * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
1346         SSE4.1.
1347         (sse4_1_insertps): Likewise.
1348         (*sse4_1_extractps): Likewise.
1349         (sse4_1_ptest): Likewise.
1350         (sse4_1_mulv2siv2di3): Likewise.
1351         (*sse4_1_mulv4si3): Likewise.
1352         (*sse4_1_smax<mode>3): Likewise.
1353         (*sse4_1_umax<mode>3): Likewise.
1354         (*sse4_1_smin<mode>3): Likewise.
1355         (*sse4_1_umin<mode>3): Likewise.
1356         (sse4_1_eqv2di3): Likewise.
1357         (*sse4_1_pinsrb): Likewise.
1358         (*sse4_1_pinsrd): Likewise.
1359         (*sse4_1_pinsrq): Likewise.
1360         (*sse4_1_pextrb): Likewise.
1361         (*sse4_1_pextrb_memory): Likewise.
1362         (*sse4_1_pextrw_memory): Likewise.
1363         (*sse4_1_pextrq): Likewise.
1364         (sse4_1_blendpd): Likewise.
1365         (sse4_1_blendps): Likewise.
1366         (sse4_1_blendvpd): Likewise.
1367         (sse4_1_blendvps): Likewise.
1368         (sse4_1_dppd): Likewise.
1369         (sse4_1_dpps): Likewise.
1370         (sse4_1_movntdqa): Likewise.
1371         (sse4_1_mpsadbw): Likewise.
1372         (sse4_1_packusdw): Likewise.
1373         (sse4_1_pblendvb): Likewise.
1374         (sse4_1_pblendw): Likewise.
1375         (sse4_1_phminposuw): Likewise.
1376         (sse4_1_extendv8qiv8hi2): Likewise.
1377         (*sse4_1_extendv8qiv8hi2): Likewise.
1378         (sse4_1_extendv4qiv4si2): Likewise.
1379         (*sse4_1_extendv4qiv4si2): Likewise.
1380         (sse4_1_extendv2qiv2di2): Likewise.
1381         (*sse4_1_extendv2qiv2di2): Likewise.
1382         (sse4_1_extendv4hiv4si2): Likewise.
1383         (*sse4_1_extendv4hiv4si2): Likewise.
1384         (sse4_1_extendv2hiv2di2): Likewise.
1385         (*sse4_1_extendv2hiv2di2): Likewise.
1386         (sse4_1_extendv2siv2di2): Likewise.
1387         (*sse4_1_extendv2siv2di2): Likewise.
1388         (sse4_1_zero_extendv8qiv8hi2): Likewise.
1389         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
1390         (sse4_1_zero_extendv4qiv4si2): Likewise.
1391         (*sse4_1_zero_extendv4qiv4si2): Likewise.
1392         (sse4_1_zero_extendv2qiv2di2): Likewise.
1393         (*sse4_1_zero_extendv2qiv2di2): Likewise.
1394         (sse4_1_zero_extendv4hiv4si2): Likewise.
1395         (*sse4_1_zero_extendv4hiv4si2): Likewise.
1396         (sse4_1_zero_extendv2hiv2di2): Likewise.
1397         (*sse4_1_zero_extendv2hiv2di2): Likewise.
1398         (sse4_1_zero_extendv2siv2di2): Likewise.
1399         (*sse4_1_zero_extendv2siv2di2): Likewise.
1400         (sse4_1_roundpd): Likewise.
1401         (sse4_1_roundps): Likewise.
1402         (sse4_1_roundsd): Likewise.
1403         (sse4_1_roundss): Likewise.
1404         (mulv4si3): Don't expand for SSE4.1.
1405         (smax<mode>3): Likewise.
1406         (umaxv4si3): Likewise.
1407         (uminv16qi3): Likewise.
1408         (umin<mode>3): Likewise.
1409         (umaxv8hi3): Rewrite.  Only enabled for SSE4.1.
1410
1411         * doc/extend.texi: Document SSE4.1 built-in functions.
1412
1413         * doc/invoke.texi: Document -msse4.1.
1414
1415 2007-05-22  Nathan Sidwell  <nathan@codesourcery.com>
1416
1417         * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
1418         * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
1419         * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
1420         (ASM_SPEC): Add asm_pcrel_spec.
1421         (EXTRA_SPECS): Add asm_pcrel_spec.
1422
1423 2007-05-21  David Daney  <ddaney@avtrex.com>
1424
1425         * doc/install.texi (Building a cross compiler): Add requirements
1426         for Java cross compiler.
1427
1428 2007-05-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1429
1430         PR middle-end/31995
1431         * tree-chrec.c (evolution_function_is_affine_multivariate_p):
1432         Add loopno argument.  Use evolution_function_is_invariant_rec_p
1433         instead of evolution_function_is_constant_p.
1434         Update calls to evolution_function_is_affine_multivariate_p.
1435         * tree-chrec.h (evolution_function_is_affine_multivariate_p):
1436         Add loopno argument.
1437         * tree-scalar-evolution.c (gather_chrec_stats): Call
1438         evolution_function_is_affine_multivariate_p with a loop
1439         number of 0.
1440         * tree-data-ref.c (analyze_miv_subscript): Likewise.
1441         (analyze_overlapping_iterations): Likewise.
1442         (access_functions_are_affine_or_constant_p): Likewise.
1443         (build_classic_dist_vector_1): If the access functions
1444         are equal, don't do anything.
1445
1446 2007-05-21  Paolo Bonzini  <bonzini@gnu.org>
1447             Paolo Carlini  <pcarlini@suse.de>
1448             Uros Bizjak  <ubizjak@gmail.com>
1449
1450         * c-cppbuiltin.c (c_cpp_builtins): Define
1451         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
1452         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
1453         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
1454         * doc/cpp.texi ([Standard Predefined Macros]): Document.
1455
1456 2007-05-21  Mike Stump  <mrs@apple.com>
1457
1458         * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
1459         handling as well.
1460         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
1461
1462 2007-05-21  Uros Bizjak  <ubizjak@gmail.com>
1463
1464         * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
1465         implementation if __OPTIMIZE__ is not defined.
1466         (_mm_alignr_pi8): Ditto.
1467         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
1468         (_mm_inserti_si64): Ditto.
1469         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
1470         (_mm_slli_epi16): Ditto.
1471         (_mm_slli_epi32): Ditto.
1472         (_mm_slli_epi64): Ditto.
1473         (_mm_srai_epi16): Ditto.
1474         (_mm_srai_epi32): Ditto.
1475         (_mm_srli_si128): Ditto.
1476         (_mm_slli_si128): Ditto.
1477         (_mm_srli_epi16): Ditto.
1478         (_mm_srli_epi32): Ditto.
1479         (_mm_srli_epi64): Ditto.
1480         (_mm_extract_epi16): Ditto.
1481         (_mm_insert_epi16): Ditto.
1482         (_mm_shufflehi_epi16): Ditto.
1483         (_mm_shufflelo_epi16): Ditto.
1484         (_mm_shuffle_epi32): Ditto.
1485         * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
1486         (_m_pextrw): Ditto.
1487         (_mm_insert_pi16): Ditto.
1488         (_m_pinsrw): Ditto.
1489         (_mm_shuffle_pi16): Ditto.
1490         (_m_pshufw): Ditto.
1491         (_mm_shufle_ps): Ditto.
1492         (_mm_prefetch): Ditto.
1493
1494 2007-05-21  Andreas Krebbel  <krebbel1@de.ibm.com>
1495
1496         * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
1497         * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
1498         * real.c (encode_i370_single, decode_i370_single,
1499         encode_i370_double, decode_i370_double): Functions removed.
1500         (i370_single_format, i370_double_format): Initializations removed.
1501         (real_maxval, round_for_format, exact_real_truncate, significand_size):
1502         Consider the log2_b field to always be one.
1503         (ieee_single_format, mips_single_format, coldfire_single_format,
1504         ieee_double_format, mips_double_format, coldfire_double_format,
1505         ieee_extended_motorola_format, ieee_extended_intel_96_format,
1506         ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
1507         ibm_extended_format, mips_extended_format, ieee_quad_format,
1508         mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
1509         decimal_single_format, decimal_double_format, decimal_quad_format,
1510         c4x_single_format, c4x_extended_format, real_internal_format): Remove
1511         initialization of log2_b.
1512         * real.h (i370_single_format, i370_double_format): Declarations removed.
1513         * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
1514         field to always be one.
1515
1516 2007-05-21  Andreas Schwab  <schwab@suse.de>
1517
1518         * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
1519         NOTE_INSN_BASIC_BLOCK_P.
1520         (process_for_unwind_directive): Likewise.
1521
1522 2007-05-21  Nathan Sidwell  <nathan@codesourcery.com>
1523
1524         * builtins.c (expand_builtin_setjmp_setup): Update comment.
1525         * function.h (struct function): Move va_list_gpr_size,
1526         va_list_fpr_size, function_frequency to front of bitfields.  Add
1527         calls_unwind_init.
1528         (current_function_calls_unwind_init): New.
1529         * except.c (expand_builtin_unwind_init): Set
1530         current_function_calls_unwind_init not
1531         current_function_has_nonlocal_label.
1532         * reload1.c (has_nonexceptional_receiver): New.
1533         (reload): Use it and current_function_calls_unwind_init to
1534         determine whether call-saved regs must be saved.
1535
1536 2007-05-20  Jan Hubicka  <jh@suse.cz>
1537
1538         * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
1539         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
1540         * ddg.c (create_ddg): LIkewise.
1541         * final.c (final): Remove hunk moving line numbernotes around since
1542         they are no longer present at this stage.
1543         (final_scan_insn): Use NOTE_KIND instead of
1544         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
1545         (output_asm_label): Likewise.
1546         * reorg.c (dbr_schedule): Likewise.
1547         * haifa-sched.c (unlink_other_notes): Likewise.
1548         * mode-switching.c (optimize_mode_switching): Likewise.
1549         * graph.c (start_bb): Likewise.
1550         * rtl.def (NOTE): Update description.
1551         * jump.c (squeeze_notes): Delete.
1552         (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
1553         NOTE_INSN_BASIC_BLOCK_P when possible.
1554         * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
1555         * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
1556         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
1557         (dwarf2out_var_location): Likewise.
1558         * cfgbuild.c (make_edges): Likewise.
1559         (find_basic_blocks_1): Likewise.
1560         * function.c (reorder_blocks_1): Likewise.
1561         (epilogue_done): Likewise.
1562         (reposition_prologue_and_epilogue_notes): Likewise.
1563         * print-rtl.c (print_rtx): Likewise; drop code for printing line number
1564         notes.
1565         (print_rtl): Likewise.
1566         (print_rtl_single): Likewise.
1567         * gcse.c (insert_insn_start_bb): Likewise.
1568         * alias.c (init_alias_analysis): Likewise.
1569         * calls.c (fixup_tail_calls): Likewise.
1570         * except.c (sjlj_emit_function_enter): Likewise.
1571         * emit-rtl.c (add_insn_after): Likeiwse.
1572         (emit_label_before): Likewise.
1573         (emit_label_after): Likewise.
1574         (emit_note_before, emit_note_after, emit_note): Update
1575         parameter to be enum insn_note; do not deal with source
1576         files.
1577         * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
1578         Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
1579         when possible.
1580         (merge_blocks_move_successor_nojumps): Simplify now when
1581         we don't have BLOCK notes.
1582         (try_optimize_cfg): Likewise.
1583         * cfglayout.c (skip_insns_after_block): Likewise.
1584         (record_effective_endpoints): Likewise.
1585         (duplicate_insn_chain): Likewise.
1586         * varasm.c (output_constant_pool_1): Likewise.
1587         * sched-deps.c (sched_analyze): Likewise.
1588         * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
1589         Exterminate.
1590         (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
1591         * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
1592         (SET_INSN_DELETED): Simplify.
1593         (NOTE_LINE_NUMBER): Exterminate.
1594         (NOTE_LINE_KIND): New.
1595         (NOTE_INSN_BASIC_BLOCK_P): Update.
1596         (enum insn_note): Simplify.
1597         (GET_NOTE_INSN_NAME) Simplify.
1598         (emit_note_before, emit_note_after, emit_note): Update prototype.
1599         (squeeze_notes): Remove.
1600         * sched-int.h (NOTE_NOT_BB_P): Update.
1601         * resource.c (mark_target_live_regs): Update.
1602         * sched-rgn.c (debug_dependencies): Update.
1603         * sched-vis.c (print_insn): Update.
1604         * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
1605         * config/i386/i386.c (ix86_output_function_epilogue): Update.
1606         * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
1607         (TARGET_ADJUST_UNROLL_MAX): Likewise.
1608         (split_branches): Update.
1609         (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
1610         4.0.0.
1611         (sh_adjust_unroll_max): Exterminate.
1612         * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
1613         * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
1614         (m68hc11_reorg): Likewise.
1615         * config/ia64/ia64.c (emit_insn_group_barriers): Update.
1616         (emit_predicate_relation_info): Update.
1617         (process_for_unwind_directive): Update.
1618         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
1619         (output_call): Update.
1620         * config/pa/pa.c (output_lbranch): Update.
1621         (output_millicode_call): Update.
1622         (output_call): Update.
1623         (pa_combine_instructions): Update.
1624         * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
1625         * config/bfin/bfin.c (gen_one_bundle): Update.
1626         * cfgrtl.c (can_delete_note_p): Update.
1627         (delete_insn): Update.
1628         (rtl_merge_blocks): Update.
1629         (commit_one_edge_insertion): Update.
1630         (rtl_verify_flow_info): Update.
1631         * stmt.c (expand_case): Do not call squeeze_notes.
1632
1633 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1634
1635         PR middle-end/7651
1636         PR c++/11856
1637         PR c/12963
1638         PR c/23587
1639         PR other/29694
1640         * c.opt (Wtype-limits): New.
1641         * doc/invoke.texi (Wtype-limits): Document it.
1642         (Wextra): Enabled by -Wextra.
1643         * c-opts.c (c_common_post_options): Enabled by -Wextra.
1644         * c-common.c (shorten_compare): Warn with Wtype-limits.
1645
1646 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
1647
1648         * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
1649         inlined function, not as a macro.
1650         (_mm_alignr_pi8): Ditto.
1651         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
1652         (_mm_inserti_si64): Ditto.
1653         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
1654         (_mm_extract_epi16): Ditto.
1655         (_mm_insert_epi16): Ditto.
1656         (_mm_shufflehi_epi16): Ditto.
1657         (_mm_shufflelo_epi16): Ditto.
1658         (_mm_shuffle_epi32): Ditto.
1659         * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
1660         * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
1661         all functions.
1662         (_m_from_float): Add __extension__ to conversion.  Use 0.0f for
1663         float constant.
1664         (_m_to_float): Use C89 compatible assignment.
1665
1666 2007-04-20  Martin Michlmayr  <tbm@cyrius.com>
1667
1668         PR target/32007
1669         * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
1670
1671 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1672
1673         PR middle-end/7651
1674         * doc/invoke.texi (Wreturn-type): Complete description.
1675         (Wextra): Delete item about return-type warning.
1676         * c-decl.c: Delete redundant Wextra warning.
1677
1678 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
1679
1680         PR target/31585
1681         * config/i386/pmmintrin.h: Do not include xmmintrin.h
1682         * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
1683         inlined function, not as a macro.
1684         (_mm_prefetch): Ditto.
1685         (_m_pextrw): Ditto.
1686         (_mm_insert_pi16): Ditto.
1687         (_m_pinsrw): Ditto.
1688         (_mm_shuffle_pi16): Ditto.  Add const to __N argument.
1689         (_m_pshufw): Ditto. Add const to __N argument.
1690         (_mm_shufle_ps): Ditto.  Add const to __mask argument.
1691         * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
1692         (_mm_slli_epi32): Ditto.
1693         (_mm_srli_si128): Implement as always inlined function, not as a macro.
1694         Add __inline to function declaration.
1695         (_mm_slli_si128): Ditto.
1696
1697 2007-05-19  Uros Bizjak  <ubizjak@gmail.com>
1698
1699         * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
1700         FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
1701         New constants.
1702         (struct fenv): New structure.
1703         (FP_HANDLE_EXCEPTIONS): New define.
1704         (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
1705         (_FP_DECL_EXP): New define.
1706         (FP_INIT_ROUNDMODE): New define.
1707         (FP_ROUNDMODE): New define.
1708
1709 2007-05-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1710
1711         * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
1712         (Wconversion): Update description.
1713         (Wconversion-sign): New.
1714         * c.opt (Wconversion-sign): New.
1715         * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
1716         means disabled for C++. Otherwise, take the status of Wconversion.
1717         * c-common.c (conversion_warning): Warn with either Wconversion or
1718         Wconversion-sign.
1719         (warnings_for_convert_and_check): Conditions are already checked by
1720         conversion_warning.
1721         (convert_and_check): Don't check warnings if the conversion failed.
1722
1723 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
1724            Anatoly Sokolov <aesok@dol.ru>
1725
1726         * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
1727         avr_epilogue_uses) : Add declaration.
1728         * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
1729         * config/avr/constraints.md (R): New constraint.
1730         config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
1731         UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
1732         (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
1733         (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
1734         (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
1735         call_prologue_saves, epilogue_restores, return_from_epilogue,
1736         return_from_main_epilogue, return_from_interrupt_epilogue,
1737         return_from_naked_epilogue, prologue, epilogue): New patterns.
1738         (jump): Handle symbol reference.
1739         * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
1740         avr_output_function_prologue, avr_output_function_epilogue): Remove
1741         functions.
1742         (avr_init_machine_status, expand_prologue, expand_epilogue,
1743         avr_asm_function_end_prologue, avr_epilogue_uses,
1744         avr_asm_function_begin_epilogue): New functions.
1745         (prologue_size, epilogue_size, jump_tables_size): Remove global
1746         variables.
1747         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
1748         (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
1749         (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
1750         (avr_override_options): Initialise init_machine_status.
1751         (output_movhi): Handle all stack pointer loads.
1752         (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
1753         (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
1754         * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
1755         (EPILOGUE_USES) Redefine.
1756         (machine_function) Declare.
1757
1758 2007-05-19  Richard Sandiford  <richard@codesourcery.com>
1759
1760         * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
1761         Use a single return statement.
1762
1763 2007-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1764
1765         PR middle-end/30250
1766         * builtins.c (do_mpfr_lgamma_r): New.
1767         (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
1768         * tree.h (CASE_FLT_FN_REENT): New.
1769
1770 2007-05-18  Geoffrey Keating  <geoffk@apple.com>
1771
1772         * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
1773         (output_die): Use 'unsigned long' with %x.
1774         * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
1775         HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
1776         * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
1777
1778         * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
1779
1780 2007-05-18  H.J. Lu  <hongjiu.lu@intel.com>
1781
1782         PR target/31989
1783         PR target/31681
1784         PR target/31666
1785         * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
1786         true if function has no argument.
1787
1788 2007-05-18  DJ Delorie  <dj@redhat.com>
1789
1790         * config/mips/mips.c (mips_offset_within_alignment_p): New.
1791         (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
1792
1793 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
1794
1795         * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
1796         sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
1797         count_trailing_zeros.
1798         (__i386__): Implement count_leading_zeros using __builtin_clz().
1799         Implement count_trailing_zeros usign __builtin_ctz().
1800
1801 2007-05-18  Richard Sandiford  <richard@codesourcery.com>
1802
1803         * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
1804
1805 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
1806
1807         PR middle-end/31344
1808         * expr.c (emit_move_change_mode): Change mode of push operands here.
1809
1810 2007-05-17  Ian Lance Taylor  <iant@google.com>
1811
1812         PR tree-optimization/31953
1813         * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
1814         Change all callers.
1815         (set_value_range_to_null): Call set_value_range_to_value.
1816         (extract_range_from_comparison): Likewise.
1817
1818 2007-05-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1819
1820         * toplev.c (print_version): Output GMP/MPFR version info.
1821
1822         * builtins.c (CASE_MATHFN_REENT): New macro.
1823         (mathfn_built_in): Use it.
1824         * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
1825         BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
1826         BUILT_IN_LGAMMAL_R): New.
1827         * doc/extend.texi: Document new builtins.
1828
1829         PR middle-end/31796
1830         * builtins.c (do_mpfr_remquo): New.
1831         (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
1832         (fold_builtin_3): Handle BUILT_IN_REMQUO.
1833
1834         PR middle-end/30251
1835         * builtins.c (fold_builtin_1): Handle y0, y1.
1836         (fold_builtin_2): Handle yn.
1837
1838         PR middle-end/30251
1839         * builtins.c (do_mpfr_bessel_n): New.
1840         (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
1841         (fold_builtin_2): Handle BUILT_IN_JN.
1842
1843 2007-05-17  Danny Smith  <dannysmith@users.sourceforge.net>
1844
1845         PR target/31965
1846         * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
1847         TYPE_PRECISION (intmax_type_node).
1848
1849 2007-05-17  Steve Ellcey  <sje@cup.hp.com>
1850
1851         PR target/31850
1852         * reload.c (subst_reloads): Remove checking.
1853
1854 2007-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
1855
1856         PR rtl-optimization/31691
1857         * combine.c (simplify_set): Build a new src pattern instead of
1858         substituting its operands in the COMPARE case.
1859
1860 2007-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
1861
1862         * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
1863         (execute_vrp): Preserve loops through jump threading.
1864         * tree-ssa-threadupdate.c (thread_single_edge,
1865         dbds_continue_enumeration_p, determine_bb_domination_status,
1866         thread_through_loop_header): New functions.
1867         (create_edge_and_update_destination_phis,
1868         create_edge_and_update_destination_phis): Set loops for the new blocks.
1869         (prune_undesirable_thread_requests): Removed.
1870         (redirect_edges): Do not pretend that redirect_edge_and_branch can
1871         create new blocks.
1872         (thread_block): Do not call prune_undesirable_thread_requests.
1873         Update loops.
1874         (mark_threaded_blocks): Select edges to thread here.
1875         (thread_through_all_blocks): Take may_peel_loop_headers argument.
1876         Thread edges through loop headers independently.
1877         * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
1878         * tree-pass.h (TODO_mark_first_instance): New.
1879         (first_pass_instance): Declare.
1880         * cfghooks.c (duplicate_block): Put the block to the original loop
1881         if copy is not specified.
1882         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
1883         jump threading.  Pass may_peel_loop_headers to
1884         thread_through_all_blocks according to first_pass_instance.
1885         * cfgloop.h (create_preheader): Declare.
1886         * tree-flow.h (thread_through_all_blocks): Declaration changed.
1887         * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
1888         * passes.c (first_pass_instance): New variable.
1889         (next_pass_1): Set TODO_mark_first_instance.
1890         (execute_todo): Set first_pass_instance.
1891
1892 2007-05-17  Uros Bizjak  <ubizjak@gmail.com>
1893
1894         PR tree-optimization/24659
1895         * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
1896         OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
1897         OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
1898         OTI_vec_pack_ufix_trunc.
1899         (vec_unpacks_float_hi_optab): Define new macro.
1900         (vec_unpacks_float_lo_optab): Ditto.
1901         (vec_unpacku_float_hi_optab): Ditto.
1902         (vec_unpacku_float_lo_optab): Ditto.
1903         (vec_pack_sfix_trunc_optab): Ditto.
1904         (vec_pack_ufix_trunc_optab): Ditto.
1905         * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
1906         and vec_pack_[s|u]fix_trunc_optab using
1907         vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
1908         * tree-vectorizer.c (supportable_widening_operation): Handle
1909         FLOAT_EXPR and CONVERT_EXPR.  Update comment.
1910         (supportable_narrowing_operation): New function.
1911         * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
1912         * tree-vect-transform.c (vectorizable_conversion): Handle
1913         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
1914         (vect_gen_widened_results_half): Move before vectorizable_conversion.
1915         (vectorizable_type_demotion): Call supportable_narrowing_operation()
1916         to check for target support.
1917         * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
1918         for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
1919         for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
1920         for VEC_PACK_FIX_TRUNC_EXPR.
1921         (expand_binop): Special case mode of the result for
1922         vec_pack_[u|s]fix_trunc_optab.
1923         (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
1924         vec_pack_[u|s]fix_trunc_optab.
1925
1926         * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
1927         VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
1928         * tree-pretty-print.c (dump_generic_node): Handle
1929         VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
1930         VEC_PACK_FIX_TRUNC_EXPR.
1931         (op_prio): Ditto.
1932         * expr.c (expand_expr_real_1): Ditto.
1933         * tree-inline.c (estimate_num_insns_1): Ditto.
1934         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1935
1936         * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
1937         (vec_unpacks_float_lo_v8hi): Ditto.
1938         (vec_unpacku_float_hi_v8hi): Ditto.
1939         (vec_unpacku_float_lo_v8hi): Ditto.
1940         (vec_unpacks_float_hi_v4si): Ditto.
1941         (vec_unpacks_float_lo_v4si): Ditto.
1942         (vec_pack_sfix_trunc_v2df): Ditto.
1943
1944         * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
1945         Document.
1946         [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
1947         [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
1948         * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
1949         [vec_pack_ufix_trunc]: Ditto.
1950         [vec_unpacks_float_hi]: Ditto.
1951         [vec_unpacks_float_lo]: Ditto.
1952         [vec_unpacku_float_hi]: Ditto.
1953         [vec_unpacku_float_lo]: Ditto.
1954
1955 2007-05-16  Uros Bizjak  <ubizjak@gmail.com>
1956
1957         * soft-fp/README: Update for new files.
1958         * soft-fp/floattisf.c: New file.
1959         * soft-fp/floattidf.c: New file.
1960         * soft-fp/floattitf.c: New file.
1961         * soft-fp/floatuntisf.c: New file.
1962         * soft-fp/floatuntidf.c: New file.
1963         * soft-fp/floatuntitf.c: New file.
1964         * soft-fp/fixsfti.c: New file.
1965         * soft-fp/fixdfti.c: New file.
1966         * soft-fp/fixtfti.c: New file.
1967         * soft-fp/fixunssfti.c: New file.
1968         * soft-fp/fixunsdfti.c: New file.
1969         * soft-fp/fixunstfti.c: New file.
1970         * soft-fp/extendxftf.c: New file.
1971         * soft-fp/trunctfxf.c: New file.
1972
1973         * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
1974         (__trunctfxf2): Ditto.
1975
1976         * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
1977         __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
1978         __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
1979         __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
1980         __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
1981         __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
1982
1983         * config/i386/t-fprules-softfp64: New file.
1984         * config/i386/sfp-machine.h: New file.
1985         * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
1986         x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
1987         and soft-fp/t-softfp to tmake_file.
1988         (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
1989         i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
1990
1991         * config/i386/t-linux64 (softfp_wrap_start): New.
1992         (softfp_wrap_end): New.
1993         * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
1994         supported for TARGET_64BIT.
1995
1996 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
1997
1998         * c-common.c (c_common_signed_or_unsigned_type): Emulate
1999         c_common_unsigned_type behavior.
2000
2001 2007-05-16  Paolo Bonzini  <bonzini@gnu.org>
2002
2003         * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
2004         calls as pure.
2005
2006 2007-05-16  Eric Christopher  <echristo@apple.com>
2007
2008         * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
2009         saving after stack push. Set sp_offset whenever we push.
2010         (rs6000_emit_epilogue): Move altivec register restore before
2011         stack push.
2012
2013 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
2014
2015         * configure.ac: Allow sysroots to be relocated under $prefix as
2016         well as $exec_prefix.
2017         * configure: Regenerate.
2018
2019 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
2020
2021         Revert:
2022
2023         2007-05-12  Richard Sandiford  <richard@codesourcery.com>
2024
2025         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
2026         (gcc_tooldir): Likewise.
2027         * configure: Regenerate.
2028         * Makefile.in (libsubdir_to_prefix): New variable, based on the
2029         old configure.ac gcc_tooldir setting.
2030         (prefix_to_exec_prefix): New variable.
2031         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
2032         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
2033
2034 2007-05-14  Janis Johnson  <janis187@us.ibm.com>
2035
2036         * c-typeck.c (build_binary_op): Return early for error.
2037
2038 2007-05-15  Zdenek Dvorak  <dvorakz@suse.cz>
2039
2040         * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
2041         struct nb_iter_bound.
2042         (free_numbers_of_iterations_estimates_loop): Use ggc_free.
2043         * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
2044         * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
2045         * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
2046         (struct scev_info_str, scalar_evolution_info): Add GTY markers.
2047         (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
2048         (del_scev_info): Use ggc_free.
2049         (scev_initialize): Allocate scalar_evolution_info in gc memory.
2050         * loop-init.c: Include ggc.h.
2051         (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
2052         (loop_optimizer_finalize): Use ggc_free.
2053         * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
2054         pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
2055         pass_iv_optimize): Add TODO_ggc_collect.
2056         * function.h (struct function): Remove skip marker from x_current_loops.
2057         * cfgloop.c: Include ggc.h.
2058         (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
2059         memory.
2060         (establish_preds): Vector superloops is gc allocated.
2061         (alloc_loop): Allocate loop using GGC_CNEW.  Allocate head of
2062         loop->exits list.
2063         (flow_loops_find): Vector larray is gc allocated.
2064         (loop_exit_free): Use ggc_free.
2065         (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit.  Reflect
2066         that head of exits list is now not a part of struct loop.
2067         (record_loop_exits): Allocate exits table in gc memory.
2068         (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect that
2069         head of exits list is now not a part of struct loop.
2070         * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
2071         struct loop_exit): Add GTY marker.
2072         (struct loop): Add GTY marker.  Make superloops vector gc allocated.
2073         Add skip marker to aux field.  Make head of exits list a separate
2074         object.
2075         (struct loops): Add GTY marker.  Make larray vector gc allocated.
2076         Add param marker to exits table.
2077         (get_loops): Type changed.
2078         * Makefile.in (tree-scalar-evolution.o): Add gt-tree-scalar-evolution.h
2079         dependency.
2080         (cfgloop.o, loop-init.o): Add ggc.h dependency.
2081         (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
2082         * basic-block.h (struct basic_block_def): Remove skip marker from
2083         loop_father field.
2084
2085 2007-05-14  Uros Bizjak  <ubizjak@gmail.com>
2086
2087         * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
2088         of 0 in the call to expand_expr().
2089         (expand_builtin_mathfn_3): Ditto.
2090         (expand_builtin_interclass_mathfn): Ditto.
2091         (expand_builtin_cexpi): Ditto.
2092         (expand_builtin_int_roundingfn): Ditto.
2093         (expand_builtin_int_roundingfn_2): Ditto.
2094         (expand_builtin_pow): Ditto.
2095         (expand_builtin_powi): Ditto.
2096         (expand_builtin_bswap): Ditto.
2097         (expand_builtin_unop): Ditto.
2098         (expand_builtin_fabs): Ditto.
2099         (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
2100         the call to expand_expr().
2101         (expand_builtin_sync_operation): Ditto.
2102         (expand_builtin_compare_and_swap): Ditto.
2103         (expand_builtin_lock_test_and_set): Ditto.
2104         * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
2105         instead of 0 in the call to expand_expr().
2106         (expand_builtin_extract_return_addr): Ditto.
2107         (expand_builtin_eh_return): Ditto.
2108         (expand_eh_return): Ditto.
2109         * explow.c (expr_size): Ditto.
2110         * expr.c (optimize_bitfield_assignment_op): Ditto.
2111         (expand_assignement): Ditto.
2112         (store_expr): Ditto.
2113         (store_field): Ditto.
2114         (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
2115         the call to expand_expr().
2116         (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
2117         in the call to expand_expr().
2118         [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
2119         BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
2120         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
2121         of expand_expr().
2122         * optabs.c (expand_vec_shift_expr): Ditto.
2123         (expand_vec_cond_expr): Ditto.
2124         (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
2125         call to expand_expr().
2126         * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
2127         in the call to expand_expr().
2128
2129 2007-05-14  Dave Korn  <dave.korn@artimi.com>
2130
2131         * genautomata.c (gen_regexp_el):  Allocate correct size for regexp.
2132
2133 2007-05-14  Rafael Avila de Espindola  <espindola@google.com>
2134
2135         * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
2136         instead of c_common_unsigned_type.
2137         (c_common_unsigned_type): Remove.
2138         (shorten_compare): Use c_common_signed_or_unsigned_type instead of
2139         c_common_unsigned_type.
2140         (c_common_nodes_and_builtins): Use unsigned_type_for instead of
2141         c_common_unsigned_type.
2142         * c-common.h (c_common_unsigned_type): Remove.
2143         * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
2144         c_common_unsigned_type.
2145         * c-format.c (check_format_types): Use unsigned_type_for instead of
2146         c_common_unsigned_type.
2147         * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
2148         * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead of
2149         c_common_unsigned_type.
2150         * convert.c (convert_to_integer): Use unsigned_type_for instead of
2151         lang_hooks.types.unsigned_type.
2152         * expmed.c (make_tree): Use unsigned_type_for instead of
2153         lang_hooks.types.unsigned_type.
2154         * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
2155         lang_hooks.types.unsigned_type.
2156         (build_range_check): Likewise.
2157         (fold_unary): Likewise.
2158         (fold_binary): Likewise.
2159         (fold_ternary): Likewise.
2160         * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
2161         * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
2162         * tree.c (get_unsigned_type): New.
2163         (unsigned_type_for): Use get_unsigned_type instead of
2164         lang_hooks.types.unsigned_type.
2165
2166 2007-05-14  Kazu Hirata  <kazu@codesourcery.com>
2167
2168         * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
2169         to m68k_get_function_kind.  Update its prototype.
2170         * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
2171         interrupt_thread.
2172         (m68k_interrupt_function_p): Return enum m68k_function_type
2173         instead of bool.  Rename to m68k_get_function_kind.
2174         (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
2175         target is not fido.
2176         (m68k_compute_frame_layout): Don't mark any register for save
2177         if an interrupt_thread attribute is specified.
2178         (m68k_hard_regno_rename_ok): Update a use of
2179         m68k_interrupt_function_p.
2180         * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
2181         m68k_interrupt_function_p.
2182         (m68k_function_type): New.
2183         * config/m68k/m68k.md (*return): Output a 'sleep' instruction
2184         for a function with an interrupt_thread attribute.
2185         * doc/extend.texi: Document the interrupt_thread attribute.
2186
2187 2007-05-13  Daniel Berlin  <dberlin@dberlin.org>
2188
2189         Fix PR tree-optimization/31911
2190         * tree-ssa-pre.c (phi_translate): Make sure to cache results even
2191         if they didn't change the expression.
2192
2193 2007-05-13  Zdenek Dvorak  <dvorakz@suse.cz>
2194
2195         * tree-scalar-evolution.c (resolve_mixers): Exported.
2196         * tree-scalar-evolution.h (resolve_mixers): Declare.
2197         * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
2198         ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
2199         record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
2200         base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
2201         init_array_ref, init_pointer_ref, analyze_indirect_ref,
2202         strip_conversion, analyze_offset_expr, address_analysis,
2203         object_analysis, analyze_offset): Removed.
2204         (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
2205         split_constant_offset, canonicalize_base_object_address,
2206         object_address_invariant_in_loop_p, disjoint_objects_p,
2207         dr_may_alias_p, dr_address_invariant_p): New functions.
2208         (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
2209         and dr_analyze_alias.
2210         (initialize_data_dependence_relation): Use dr_may_alias_p
2211         and object_address_invariant_in_loop_p.
2212         (compute_self_dependence): Handle the case when DDR_ARE_DEPENDENT (ddr)
2213         is chrec_dont_know.
2214         (find_data_references_in_stmt): Restrict the analysis of data references
2215         to the given loop nest.
2216         (find_data_references_in_loop): Made static.  Pass loop nest to
2217         find_data_references_in_stmt.
2218         (compute_data_dependences_for_loop): Use DR_VOPS.
2219         (free_data_ref): Free DR_VOPS.
2220         * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
2221         (struct innermost_loop_behavior): ... new.
2222         (struct base_object_info): Replaced by ...
2223         (struct indices): ... new.
2224         (struct dr_alias): New.
2225         (enum data_ref_type): Removed.
2226         (struct data_reference): Consist of struct innermost_loop_behavior,
2227         struct indices and struct dr_alias.
2228         (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
2229         (DR_MEMTAG): Renamed to ...
2230         (DR_SYMBOL_TAG): ... this.
2231         (find_data_references_in_loop): Declaration removed.
2232         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
2233         instead of DR_OFFSET_MISALIGNMENT.  DR_ALIGNED_TO is never NULL.
2234         (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
2235         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2236
2237 2007-05-13  Revital Eres  <eres@il.ibm.com>
2238
2239         * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
2240         which walks virtual def-use chains to find redundant stores.
2241         (dse_optimize_stmt): Call it.
2242
2243 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
2244
2245         * gcse.c (gcse_main): Do jump bypassing in CPROP2.
2246         * passes.c (init_optimization_passes): Move pass_jump_bypass
2247         after loop2.
2248
2249         * basic-block.h (bb_has_eh_pred): Fix style issue.
2250
2251 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
2252
2253         PR rtl-optimization/31848
2254         * loop-invariant.c (move_invariant_reg): If we move an insn
2255         with a REG_EQUAL note, and that insn is not always executed,
2256         remove the REG_EQUAL note.
2257
2258 2007-05-12  Richard Guenther  <rguenther@suse.de>
2259
2260         PR tree-optimization/31797
2261         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
2262         propagate into a stmt that has volatile ops.
2263
2264 2007-05-12  Richard Sandiford  <richard@codesourcery.com>
2265
2266         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
2267         (gcc_tooldir): Likewise.
2268         * configure: Regenerate.
2269         * Makefile.in (libsubdir_to_prefix): New variable, based on the
2270         old configure.ac gcc_tooldir setting.
2271         (prefix_to_exec_prefix): New variable.
2272         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
2273         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
2274
2275 2007-05-11  Silvius Rus  <rus@google.com>
2276
2277         * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
2278         * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
2279         * c-common.h (strict_aliasing_warning): Change return type.
2280         * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
2281         * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
2282         (build_c_cast): Condition call to strict_aliasing_warning.
2283         * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
2284         * flags.h (set_Wstrict_aliasing): Declare.
2285         * opts.c (set_Wstrict_alising): Define, add call to.
2286         * tree-flow.h (strict_aliasing_warning_backend): Declare.
2287         * tree-ssa-alias-warnings.c: New file.
2288         * tree-ssa-alias.c (compute_may_aliases): Add call to
2289         strict_aliasing_warning_backend.
2290
2291 2007-05-11  Zdenek Dvorak  <dvorakz@suse.cz>
2292
2293         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
2294         Use loop_depth and loop_outer accessor functions.
2295         * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
2296         determine_invariantness_stmt, move_computations_stmt): Ditto.
2297         * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
2298         add_loop, loopify, unloop, fix_loop_structure): Ditto.
2299         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
2300         * tree-scalar-evolution.c (interpret_loop_phi,
2301         compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
2302         instantiate_parameters_1, scev_const_prop): Ditto.
2303         * cfghooks.c (make_forwarder_block): Ditto.
2304         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
2305         * modulo-sched.c (loop_canon_p): Ditto.
2306         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
2307         slpeel_can_duplicate_loop_p): Ditto.
2308         * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
2309         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
2310         * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
2311         cancel_loop, verify_loop_structure): Ditto.
2312         (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
2313         add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
2314         superloops vector instead of "pred" array.
2315         (establish_preds): Take father loop as an argument.  Initialize the
2316         superloops vector.
2317         (flow_loop_tree_node_add): Pass father loop to establish_preds.  Do not
2318         initialize loop->outer.
2319         (flow_loop_tree_node_remove): Truncate the superloops vector.
2320         * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
2321         "pred" merged to "superloops" vector.
2322         (loop_depth, loop_outer): New.
2323         (fel_init): Use loop_outer.
2324
2325 2007-05-11  Jan Hubicka  <jh@suse.cz>
2326
2327         * cgraphunit.c: Include gt-cgraphunit.h
2328         (static_ctors, static_dtors): New static vars.
2329         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
2330         based on implementation in c-common.c
2331         (cgraph_finalize_function): Call record_cdtor_fn.
2332         (cgraph_optimize): Call cgraph_build_cdtor_fns.
2333         * decl.c (finish_function): Do not call c_record_cdtor_fn.
2334         (c_write_global_declarations): Do not call c_build_cdtor_fns.
2335         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
2336         build_cdtor, c_build_cdtor_fns): Remove.
2337         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
2338         c_build_cdtor_fns): Remove prototype.
2339
2340 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
2341
2342         PR other/31852
2343         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
2344         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
2345         * builtins.c (fold_builtin_memchr): New.
2346         (expand_builtin_memchr): Call the latter.
2347         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
2348         * doc/extend.texi ([Other built-in functions provided by GCC]):
2349         Document memchr.
2350
2351 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
2352
2353         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
2354         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
2355         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
2356         PFPO_OP1_TYPE_SHIFT): Constants added.
2357         (DFP_ALL): Mode macro defined.
2358         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
2359         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
2360         Insn definitions added.
2361         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
2362         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
2363         Expanders added.
2364
2365 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
2366
2367         PR tree-optimization/31885
2368         * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
2369         to be undetermined.
2370         (automatically_generated_chrec_p): Return false for NULL.
2371
2372 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2373
2374         * config/bfin/bfin.h (MOVE_RATIO): Define.
2375
2376 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
2377
2378         * config.gcc (sparc-wrs-vxworks): New target.
2379         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
2380         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
2381         * config/sparc/sparc.h: Include vxworks-dummy.h.
2382         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
2383         include LABEL_REFs too.
2384         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
2385         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
2386         VxWorks.
2387         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
2388         on VxWorks.
2389         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
2390         (sparc_emit_call_insn): New function.
2391         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
2392         functions when generating VxWorks PIC.
2393         * config/sparc/sparc.md (vxworks_load_got): New pattern.
2394         (call, call_value): Use sparc_emit_call_insn instead of
2395         emit_call_insn.
2396
2397 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
2398
2399         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
2400
2401 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
2402
2403         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
2404         for floating-point values if HOST_BITS_PER_LONG > 32.  Use split_double
2405         instead of operand_subword.
2406
2407 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2408
2409         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
2410         * config/bfin/bfin.c (bfin_local_alignment): New function.
2411         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
2412
2413 2007-05-08  Chao-ying Fu  <fu@mips.com>
2414
2415         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
2416         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
2417         (smsub_widen_optab, umsub_widen_optab): Define.
2418         * optabs.c (init_optabs): Initialize smsub_widen_optab and
2419         umsub_widen_optab.
2420         * genopinit.c (optabs): Fill in smsub_widen_optab and
2421         umsub_widen_optab.
2422         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
2423         and umsub_widen_optab to implement multiply-subtract sequences.
2424         * config/mips/mips.md (*msac<u>_di): Rename to...
2425         (<u>msubsidi4): ...this.  Extend condition to include
2426         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
2427         of operand 0 to "ka" and use the three-operand form of msub<u>
2428         for TARGET_DSPR2.
2429         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
2430         to define_expands.
2431
2432 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2433
2434         PR rtl-optimization/28011
2435         * reload.c (push_reload): Set dont_share if IN appears in OUT
2436         also when IN is a PLUS rtx.
2437         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
2438         are same PLUS rtx.
2439
2440 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
2441
2442         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
2443         call unshare_all_decls.
2444         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
2445         (unshare_all_decls): Remove.
2446
2447 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
2448
2449         PR 31847
2450         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
2451         dumps.
2452
2453 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
2454             Nigel Stephens  <nigel@mips.com>
2455
2456         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
2457         Update comments and all uses.
2458         (MIN_FPRS_PER_FMT): Define.
2459         * config/mips/mips.c (function_arg): Fix to correctly handle
2460         the -mips32r2 -mfp64 -mabi=32 case.
2461         (override_options): Enable use of odd-numbered registers for
2462         SFmode values on MIPS32.
2463         (mips_save_reg_p): Save whole floating-point register pair if
2464         either half is used.
2465         (compute_frame_size): Fix comment.
2466
2467 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
2468
2469         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
2470         argument of type bool.
2471         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
2472         argument. Safely select temporary P register according to it.
2473         (do_link): Change call site of add_to_reg accordingly.
2474         (do_unlink): Add epilogue_p as a fourth argument and pass it
2475         to add_to_reg.
2476         (expand_interrupt_handler_epilogue): Change call of do_unlink
2477         accordingly.
2478         (bfin_expand_prologue): Add a third argument sibcall_p.
2479         * config/bfin/bfin.md (epilogue): Change call of
2480         bfin_expand_epilogue accordingly.
2481         (sibcall_epilogue): Likewise.
2482         (eh_return_internal): Likewise.
2483
2484         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
2485         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
2486         * config/bfin/bfin.c (bfin_handle_option): Handle
2487         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
2488         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
2489         Support bf534, bf536 and bf561.
2490         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
2491
2492 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
2493
2494         PR target/31854
2495         * config/i386/i386.c (ix86_function_regparm): Process local
2496         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
2497
2498 2007-05-07  Mike Stump  <mrs@apple.com>
2499
2500         * doc/invoke.texi (Warning Options): Document that -Wempty-body
2501         also checks for and while statements in C++.
2502
2503 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
2504
2505         * gcc.c (at_file_supplied): New variable.
2506         (main): Set it if we expanded argv.
2507         (do_spec_1): Pass an @-file to the linker if we were called with
2508         an @-file argument and HAVE_GNU_LD.
2509         * collect2.c (at_file_supplied): New variable.
2510         (response_file): New variable.
2511         (collect_exit): Unlink response_file if necessary.
2512         (handler): Likewise.
2513         (do_wait): Likewise.
2514         (main): Set at_file_supplied if we expanded argv.
2515         (collect_execute): Pass an @-file to subprocesses if we were called
2516         with an @-file argument.
2517         * configure.ac: Add define for HAVE_GNU_LD.
2518         * configure: Regenerate.
2519         * config.in: Regenerate.
2520
2521 2007-05-07  Naveen.H.S  <naveen.hs@kpitcummins.com>
2522
2523         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
2524         operand to HI mode.
2525         (mulsi3): New.
2526         (divsi3): New.
2527         (udivsi3): New.
2528
2529 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
2530
2531         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
2532         (TARGET_ENCODE_SECTION_INFO): Re-define.
2533         (m32c_encode_section_info): New
2534         (function_vector_handler): New
2535         (current_function_special_page_vector): New
2536         (m32c_special_page_vector_p): New.
2537         * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
2538         Prototype.
2539         * config/m32c/jump.md: Added instruction JSRS for functions
2540         with attribute "function_vector".
2541         * doc/extend.texi (function_vector): Added description
2542         for M16C, M32C targets.
2543
2544 2007-05-07  DJ Delorie  <dj@redhat.com>
2545
2546         PR 31794
2547         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
2548         ashrpsi3, lshrpsi3): Update shift count constraint.
2549
2550 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
2551             Nathan Froyd  <froydnj@codesourcery.com>
2552
2553         PR 22133
2554         * c-incpath.c (add_path): Strip trailing path separators.
2555
2556 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
2557
2558         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
2559         Free dominance info before purging EH edges.
2560         (eliminate_degenerate_phis): Likewise.
2561         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
2562
2563 2007-05-07  Jan Hubicka  <jh@suse.cz>
2564
2565         * gimplify.c (gimplify_expr): Do not crash when folding
2566         (void *)(int)&a + 4.
2567
2568 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
2569
2570         PR driver/31694
2571         * c-opts.c (lang_fortran): Make it non static.
2572         * c-common.h (lang_fortran): New prototype.
2573         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
2574         -lang-fortran option was passed by the driver.
2575
2576 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
2577
2578         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
2579         of ASSERT_CHECKING.  Tweak message.
2580
2581 2007-05-06  Revital Eres  <eres@il.ibm.com>
2582
2583         PR 30957
2584         * loop-unroll.c (insert_var_expansion_initialization):
2585         Initialize the expansions with -zero instead of +zero.
2586
2587 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
2588
2589         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
2590         into pic and non-pic versions. Mark r19 as used for
2591         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
2592         for tgd_load, tld_load and tie_load .
2593         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
2594         version of tgd_load, tld_load and tie_load depending on the
2595         value of flag_pic.
2596
2597 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
2598             Jakub Jelinek  <jakub@redhat.com>
2599
2600         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
2601         (__do_global_dtors_aux): Use more paranoid loop to run
2602         destructors if HIDDEN_DTOR_LIST_END.
2603         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
2604
2605 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
2606
2607         * varasm.c (align_variable): Don't increase alignment for
2608         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
2609         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
2610
2611 2007-05-04  Josh Conner  <jconner@apple.com>
2612
2613         * basic-block.h (cdi_direction): Assign values to all enumeration
2614         constants.
2615         (dom_computed): Remove.
2616         (dom_info_state): New.
2617         (set_dom_info_availability): New.
2618         * tree-ssa-loop-im.c (determine_invariantness): Initialize
2619         walk_data.dom_direction.
2620         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
2621         instead of dom_computed[].
2622         (split_edge): Likewise.
2623         (create_basic_block): Likewise.
2624         (merge_blocks): Likewise.
2625         * ifcvt.c (find_if_header): Likewise.
2626         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
2627         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2628         * tree-ssa.c (verify_ssa): Likewise.
2629         * tree-cfg.c (tree_verify_flow_info): Likewise.
2630         (remove_edge_and_dominated_blocks): Likewise.
2631         * dominance.c (dom_computed): Make static.
2632         (calc_dfs_tree_nonrec): Change third param to a bool.
2633         (calc_dfs_tree): Change second param to a bool.
2634         (calc_idioms): Change second param to a bool.  Use
2635         dom_convert_dir_to_idx.
2636         (init_dom_info): Validate dir before using.
2637         (dom_convert_dir_to_idx): New.
2638         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
2639         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
2640         (free_dominance_info): Use dom_convert_dir_to_idx.
2641         (get_immediate_dominator): Likewise.
2642         (set_immediate_dominator): Likewise.
2643         (get_dominated_by): Likewise.
2644         (redirect_immediate_dominators): Likewise.
2645         (nearest_common_denominator): Likewise.
2646         (dominated_by_p): Likewise.
2647         (bb_dom_dfs_in): Likewise.
2648         (bb_dom_dfs_out): Likewise.
2649         (recount_dominator): Likewise.
2650         (iterate_fix_dominators): Likewise.
2651         (add_to_dominance_info): Likewise.
2652         (delete_from_dominance_info): Likewise.
2653         (first_dom_son): Likewise.
2654         (next_dom_son): Likewise.
2655         (dom_info_available_p): Likewise.
2656         (dom_info_state): New.
2657         (set_dom_info_availability): New.
2658
2659 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2660
2661         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
2662         Expander removed.
2663         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
2664
2665 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
2666
2667         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
2668         (subdi3, subdi_carry): Delete.
2669
2670 2007-05-04  Jan Hubicka  <jh@suse.cz>
2671             Richard Guenther  <rguenther@suse.de>
2672
2673         * opts.c (decode_options): Do not fiddle with inlining
2674         parameters in case of optimizing for size.
2675         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
2676         for size do nothing.
2677         (cgraph_decide_inlining_of_small_function): When optimizing for
2678         size never inline functions increasing caller size.
2679         (cgraph_early_inlining): Inline for size when optimizing for size.
2680
2681 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2682
2683         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
2684         logical operations piecewise.
2685         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
2686         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
2687         subdi_sesidi_di): Delete.
2688         (add_with_carry): Produce carry in CC instead of a DREG to shorten
2689         the generated sequence.  Allow three-reg add in constraints.  Rewrite
2690         the rtl expression for carry to avoid zero_extend of a constant.
2691         (sub_with_carry): New pattern.
2692         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
2693         different sequence not involving jumps.
2694         (notbi): Now a named pattern.
2695
2696 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
2697
2698         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
2699         Add the note about a significant loss of accuracy of some
2700         mathematical routines when these options are used.
2701
2702 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2703
2704         * haifa-sched.c (rtx_vec_t): New typedef.
2705         (contributes_to_priority_p): Extract piece of priority () into new
2706         static function.
2707         (priority): Use the function.  Add assertion.
2708         (rank_for_schedule, set_priorities): Add assertion to check that
2709         insn's priority is initialized.
2710         (clear_priorities, calc_priorities): Change signature.  Make it update
2711         all relevant insns.  Update all callers ('add_to_speculative_block ()'
2712         and 'create_block_check_twin ()').
2713         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
2714         Add new field 'priority_status'.
2715         (INSN_PRIORITY_STATUS): New macro.
2716         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
2717
2718 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2719
2720         * sched-ebb.c (debug_ebb_dependencies): New static function.
2721         (init_ready_list): Use it.
2722
2723         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
2724         with changed signature and 'debug_rgn_dependencies ()'.
2725         (debug_rgn_dependencies): New static function.
2726         (init_ready_list): Use it.
2727
2728         * sched-int.h (debug_dependencies): Declare.
2729
2730 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2731
2732         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
2733
2734 2007-05-04  Dirk Mueller  <dmueller@suse.de>
2735
2736         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
2737
2738 2007-05-03  Jan Hubicka  <jh@suse.cz>
2739
2740         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
2741         for pointer type in more cases than before.
2742
2743         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
2744
2745         * tree-object-size.c (plus_expr_object_size): When operand size is
2746         unknown, return unknown.
2747
2748 2007-05-03  Dirk Mueller  <dmueller@suse.de>
2749
2750         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
2751
2752         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
2753         options.
2754
2755         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
2756
2757 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
2758
2759         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
2760
2761 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
2762
2763         * config/soft-fp/double.h, config/soft-fp/extended.h,
2764         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
2765         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
2766         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
2767         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
2768         glibc CVS.
2769
2770 2007-05-03  Ian Lance Taylor  <iant@google.com>
2771
2772         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
2773         MASK_PPC_GFXOPT for 8540 or 8548.
2774
2775 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
2776
2777         * tree-vect-transform.c (vect_update_inits_of_drs): Use
2778         vect_print_dump_info() to output debug information.
2779
2780 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
2781
2782         PR target/31768
2783         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
2784         operands of size 2 when operand is not MEM_P.
2785
2786 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
2787
2788         PR tree-optimization/30565
2789         * lambda-code.c (perfect_nestify): Fix updating of dominators.
2790
2791 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
2792
2793         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
2794         (umulsi3_highpart): Use them.
2795         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
2796         for final accumulator to D regisster tranfser.
2797
2798 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
2799
2800         PR tree-optimization/31699
2801         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
2802         code.
2803         (vect_enhance_data_refs_alignment): Compute peel amount using
2804         TYPE_VECTOR_SUBPARTS instead of vf.
2805         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
2806
2807 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
2808
2809         PR bootstrap/31776
2810         * system.h: Remove inclusion of double-int.h
2811         * tree.h: Include double-int.h
2812         * gengtype.c: Likewise
2813         * cfgloop.h: Likewise
2814         * Makefile.in: Adjust dependencies on double-int.h
2815
2816 2007-05-02  Eric Christopher  <echristo@apple.com>
2817
2818         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
2819         -shared to -Zdynamiclib.
2820
2821 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
2822
2823         PR c++/31663
2824         * c-common.c (strip_pointer_or_array_types): New function.
2825         * c-common.h (strip_pointer_or_array_types): New function declaration.
2826
2827 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
2828
2829         PR tree-optimization/31771
2830         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
2831
2832 2007-05-02  Paul Brook  <paul@codesourcery.com>
2833
2834         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
2835
2836 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2837
2838         PR middle-end/29715
2839         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
2840         transformation.
2841
2842 2007-05-02  Nick Clifton  <nickc@redhat.com>
2843
2844         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
2845
2846 2007-05-02  Richard Guenther  <rguenther@suse.de>
2847
2848         PR tree-optimization/31146
2849         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2850         argument, single_use_p.  If we have a single use that is
2851         a conversion to the definition rhs type, propagate that rhs.
2852         (forward_propagate_addr_expr): Pass single_use_p argument
2853         to forward_propagate_addr_expr_1.
2854
2855 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2856
2857         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
2858         variable.
2859
2860 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2861
2862         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
2863         'AMD Family 10 core'.
2864
2865 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2866
2867         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
2868         and athlon64-sse3 as improved versions of k8, opteron and athlon64
2869         with SSE3 instruction set support.
2870         * doc/invoke.texi: Likewise.
2871
2872 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2873
2874         * config/i386/i386.c (override_options): Tuning 32-byte loop
2875         alignment for amdfam10 architecture. Increasing the max loop
2876         alignment to 24 bytes.
2877
2878 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
2879
2880         * config/m68k/constraints.md: New.
2881         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
2882         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
2883         EXTRA_CONSTRAINT): Remove.
2884         * config/m68k/m68k.md: Include constraints.md.
2885         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
2886
2887 2007-05-01  Ian Lance Taylor  <iant@google.com>
2888
2889         PR tree-optimization/31739
2890         * tree-vrp.c (vrp_val_is_max): New static function.
2891         (vrp_val_is_min): New static function.
2892         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
2893         copying the node.
2894         (set_value_range): Use vrp_val_is_{max,min}.
2895         (extract_range_from_assert): Likewise.
2896         (extract_range_from_binary_expr): Likewise.
2897         (extract_range_from_unary_expr): Likewise.
2898         (dump_value_range, vrp_meet): Likewise.
2899         (vrp_visit_phi_node): Likewise.
2900         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
2901
2902 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
2903
2904         * config/i386/gmon-sol2.c (size_t): New type.
2905         (intptr_t): Likewise.
2906         (s_textsize): Declare as size_t.
2907         (sbrk): Declare.
2908         (monstartup): Use size_t for sizes.
2909         (_mcount): Save and restore registers.
2910         (internal_mcount): Pass 0 as the first argument to monstartup
2911         in 64-bit mode.
2912         (moncontrol): Convert pointer to appropriately sized integer
2913         before passing to profil.
2914
2915 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
2916
2917         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
2918         __NO_FPRS__, not just if _SOFT_DOUBLE.
2919         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
2920         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
2921         also for E500 double.
2922         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
2923         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
2924         && !TARGET_FPRS).
2925
2926 2007-05-01  Richard Guenther  <rguenther@suse.de>
2927
2928         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
2929         is NULL.
2930
2931 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
2932
2933         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
2934
2935 2007-05-01  Jan Hubicka  <jh@suse.cz>
2936
2937         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
2938         invariant.
2939
2940 2007-05-01  Jan Hubicka  <jh@suse.cz>
2941
2942         * tree.h (maybe_fold_offset_to_component_ref): Remove.
2943         (maybe_fold_offset_to_reference): Declare.
2944         * fold-const.c (fold_unary): Do not fold
2945         (type *)&A into &A->field_of_type_and_offset_0
2946         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
2947         size is unknown, give up.
2948         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
2949         offsets.
2950         (maybe_fold_offset_to_reference): New.
2951         (maybe_fold_stmt_indirect): Use it.
2952         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
2953         * gimplify.c (gimplify_conversion): Canonicalize conversions to
2954         field references.
2955         (gimplify_expr): Likewise for plus_expr.
2956
2957 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
2958
2959         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
2960         bsi_after_labels.  Always insert statements before bsi.
2961         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
2962         * predict.c (apply_return_prediction): Check for empty blocks.
2963         * cfgexpand.c (lab_rtx_for_bb): New variable.
2964         (label_rtx_for_bb): Do not create new tree labels.
2965         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
2966         (tree_expand_cfg): Initialize lab_rtx_for_bb.
2967         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
2968         creating edges.
2969         (label_for_bb): Add field used.
2970         (update_eh_label, main_block_label): Mark the label used.
2971         (cleanup_dead_labels): Remove unused labels.
2972
2973 2007-05-01  Richard Guenther  <rguenther@suse.de>
2974
2975         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
2976         if it is not about to be set.
2977         (get_value_range): Do not pre-allocate equiv bitmap.
2978         (update_value_range): No need to clear equiv field.
2979         (add_equivalence): Change prototype to get bitmap pointer.
2980         Allocate bitmap here if it is not already.
2981         (extract_range_from_assert): Do not allocate bitmap here.
2982         Update callers to add_equivalence.
2983         (extract_range_from_ssa_name): Likewise.
2984         (get_vr_for_comparison): New static helper.
2985         (compare_name_with_value): Handle NULL equiv bitmap by
2986         peeling the first iteration of the comparison loop.
2987         Use get_vr_for_comparison.
2988         (compare_names): Handle NULL equiv bitmaps by using fake
2989         ones.  Use get_vr_for_comparison.
2990
2991 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
2992
2993         * double-int.c (mpz_set_double_int): Moved from
2994         tree-ssa-loop-niter.c.
2995         (mpz_get_double_int): Likewise; also, add option to wrap
2996         out-of-range integers.
2997         * double-int.h: New prototypes for above.
2998         * tree.c (get_static_type_bounds): Moved from
2999         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
3000         TYPE_MAX_VALUE if they exist..
3001         * tree.h: New prototype for above.
3002         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
3003         get_type_bounds calls.
3004         (mpz_set_double_int): Move to double-int.c.
3005         (get_type_bounds): Move to tree.c, rename to
3006         get_static_type_bounds.
3007         (mpz_to_double_int): Move to double-int.c, rename to
3008         mpz_get_double_int.
3009
3010 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
3011
3012         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
3013         DIV0 exception can fall through to a normal return.
3014
3015 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
3016
3017         PR middle-end/22156
3018         Temporarily revert:
3019         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
3020         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
3021         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
3022         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
3023         initialize align to silence bogus warning.
3024         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
3025         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
3026         all_no_warning.
3027         (struct sra_walk_fns): Remove use_all parameter from use.
3028         (sra_hash_tree): Handle BIT_FIELD_REFs.
3029         (sra_elt_hash): Don't hash bitfld blocks.
3030         (sra_elt_eq): Skip them in parent compares as well.  Handle
3031         BIT_FIELD_REFs.
3032         (sra_walk_expr): Don't maintain or pass down use_all_p.
3033         (scan_use): Remove use_all parameter.
3034         (scalarize_use): Likewise.  Re-expand assignment to
3035         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
3036         output, and re-scalarize after output.  Don't mark anything
3037         for no warning.
3038         (scalarize_ldst): Adjust.
3039         (scalarize_walk_gimple_modify_statement): Likewise.
3040         (build_element_name_1): Handle BIT_FIELD_REFs.
3041         (instantiate_element): Don't warn for any element whose parent
3042         is used as a whole.
3043         (instantiate_missing_elements_1): Return the sra_elt.
3044         (canon_type_for_field): New.
3045         (try_instantiate_multiple_fields): New.
3046         (instantiate_missing_elemnts): Use them.
3047         (mark_no_warning): Removed.
3048         (generate_one_element_ref): Handle BIT_FIELD_REFs.
3049         (REPLDUP, sra_build_elt_assignment): New.
3050         (generate_copy_inout): Use them.
3051         (generate_element_copy): Likewise.  Handle bitfld differences.
3052         (generate_element_zero): Don't recurse for blocks.  Use
3053         sra_build_elt_assignment.
3054         (generate_one_element_int): Take elt instead of var.  Use
3055         sra_build_elt_assignment.
3056         (generate_element_init_1): Adjust.
3057         (scalarize_use, scalarize_copy): Use REPLDUP.
3058         (scalarize_ldst): Move assert before dereference.
3059         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
3060
3061 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3062
3063         PR C++/31721
3064         * tree.c (reconstruct_complex_type): Reconstruct a reference
3065         correctly.
3066         Also use the same mode for the pointer as the old pointer type.
3067
3068 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3069
3070         * doc/trouble.texi (Interoperation): Remove note about Ultrix
3071         Fortran compiler.
3072
3073 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
3074
3075         PR rtl-optimization/31676
3076         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
3077         (df_refs_record): Call it.
3078
3079 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3080
3081         * rtl.def (SS_ABS): New code.
3082         * config/bfin/bfin.c (print_operand): New modifier 'v'.
3083         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
3084         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
3085         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
3086         (bfin_init_builtins): Define them.
3087         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
3088         (bfin_expand_builtin): ... and handle the others here.
3089         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
3090         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
3091         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
3092         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
3093         operand is only HImode.
3094
3095 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
3096
3097         * regclass.c (scan_one_insn): Remove splitting of
3098         two address insns.
3099
3100 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
3101             Nigel Stephens  <nigel@mips.com>
3102
3103         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
3104
3105 2007-04-28  Jan Hubicka  <jh@suse.cz>
3106
3107         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
3108         insn_locators_alloc instead of insn_locators_initialize;
3109         call reset_block_changes.
3110         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
3111         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
3112         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
3113         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
3114         * config/score/score.c (th_output_mi_thunk): Likewise.
3115         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
3116         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
3117         tolerate uninitialized locator info.
3118
3119         Re-apply:
3120         * function.c (init_function_start): Don't init line number info.
3121         (expand_function_end): Update.
3122         (reset_block_changes, record_block_change, finalize_block_changes,
3123         check_block_change, free_block_changes): Kill.
3124         * function.h (reset_block_changes, record_block_change,
3125         finalize_block_changes, check_block_change, free_block_changes): Remove
3126         prototypes.
3127         (struct function): Remove ib_boundaries_block.
3128         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
3129         Use curr_insn_locator to initialize locator.
3130         (emit_line_note): Remove.
3131         * cfgexpand.c (expand_gimple_cond_expr): Update.
3132         (construct_exit_block): Likewise.
3133         (tree_expand_cfg): Initialize/finalize locators.
3134         * expr.c (expand_expr_real): Update.
3135         * cfglayout.c (line_locators_locs, line_locators_lines,
3136         file_locators_locs, file_locators_files): Remove.
3137         (set_block_levels): Move to cfgexpand.c.
3138         (insn_locators_initialize): Remove.
3139         (pass_insn_locators_initialize): Remove.
3140         (locations_locators_locs, locations_locators_vals): New static vars.
3141         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
3142         Likewise.
3143         (insn_locators_alloc, insn_locators_finalize,
3144         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
3145         New functions.
3146         (locator_location): New.
3147         (locator_line, locator_file): Rewrite.
3148         * rtl.h (emit_line_note): Kill.
3149         (insn_locators_alloc, insn_locators_finalize,
3150         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
3151         Declare.
3152         * tree-inline.c (initialize_cfun): Do not initialize
3153         ib_boundaries_block.
3154         * passes.c (pass_insn_locators_initialize): Remove.
3155
3156 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
3157
3158         * tree-cfg.c (move_block_to_fn): Release bb from dominance
3159         info.  Update last_basic_block correctly.
3160
3161 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
3162
3163         PR target/31701
3164         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
3165         register itself to hold the offset constant.  Tell flow the use
3166         of r4 and r5 when they are used.
3167
3168 2007-04-27  Richard Guenther  <rguenther@suse.de>
3169
3170         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
3171         if we simplified anything.
3172         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
3173         warnings until we did a simplification and the stmt was not
3174         marked as TREE_NO_WARNING.
3175
3176 2007-04-27  Mike Stump  <mrs@apple.com>
3177
3178         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
3179
3180 2007-04-27  Ian Lance Taylor  <iant@google.com>
3181
3182         PR middle-end/31710
3183         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
3184         TYPE_MAX_VALUE exist, convert them to the new type.
3185
3186 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
3187
3188         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
3189         if it claims to be available.
3190         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
3191         edge is redirected.
3192         (perform_tree_ssa_dce): Always free postdominators.
3193
3194 2007-04-27  Richard Henderson  <rth@redhat.com>
3195
3196         * config/alpha/predicates.md (aligned_memory_operand): Mark
3197         as define_special_predicate.
3198         (unaligned_memory_operand, normal_memory_operand): Likewise.
3199         (reg_or_unaligned_mem_operand): Remove.
3200         (any_memory_operand): Match the documentation and check for
3201         non-renumbered pseudos during reload.
3202         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
3203         alpha_secondary_reload_class, update to new interface, make static.
3204         Handle CQImode like HImode.  Remove FP subreg check.
3205         (alpha_expand_mov): Use replace_equiv_address.
3206         (alpha_expand_mov_nobwx): Use any_memory_operand.
3207         (TARGET_SECONDARY_RELOAD): New.
3208         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
3209         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
3210         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
3211         * config/alpha/alpha.md: ... here.
3212         (RELOAD12, reloadmode): New.
3213         (movcqi): New.
3214         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
3215         Don't handle the aligned case here.
3216         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
3217         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
3218         reload_inhi_help.  Don't expect a scratch register.
3219         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
3220         reload_outhi_help.
3221         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
3222
3223 2007-04-27  Richard Guenther  <rguenther@suse.de>
3224
3225         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
3226
3227 2007-04-27  Richard Guenther  <rguenther@suse.de>
3228
3229         PR tree-optimization/30965
3230         PR tree-optimization/30978
3231         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
3232         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
3233         (find_equivalent_equality_comparison): Likewise.
3234         (simplify_cond): Likewise.
3235         (get_prop_source_stmt): New helper.
3236         (get_prop_dest_stmt): Likewise.
3237         (can_propagate_from): Likewise.
3238         (remove_prop_source_from_use): Likewise.
3239         (combine_cond_expr_cond): Likewise.
3240         (forward_propagate_comparison): New function.
3241         (forward_propagate_into_cond): Rewrite to use fold for
3242         tree combining.
3243         (tree_ssa_forward_propagate_single_use_vars): Call
3244         forward_propagate_comparison to propagate comparisons.
3245
3246 2007-04-27  Richard Guenther  <rguenther@suse.de>
3247
3248         PR tree-optimization/31715
3249         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
3250         sure to do computation on the offset in an appropriate
3251         signed type.
3252
3253 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
3254
3255         * reload.h (elimination_target_reg_p): Declare.
3256         * reload.c (find_reloads): Don't apply the reg_rtx move
3257         optimization if the SET_DEST satisfies elimination_target_reg_p.
3258         * reload1.c (elimination_target_reg_p): New function.
3259         (gen_reload): In the move/add2 fallback, make sure that op0
3260         does not overlap the destination register.
3261
3262 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
3263
3264         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
3265         transform only GIMPLE_MODIFY_STMTs.
3266         * tree-complex.c (expand_complex_operations_1): Ditto.
3267         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
3268         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
3269         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
3270         branches.
3271         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
3272         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
3273         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
3274         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
3275         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
3276         slpeel_add_loop_guard): Ditto.
3277         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
3278         * lambda-code.c (perfect_nestify): Ditto.
3279         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
3280         before the first statement.
3281         * tree-optimize.c (execute_free_datastructures): Fix comments.
3282         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
3283         * tree-flow.h (disband_implicit_edges): Declaration removed.
3284         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
3285         branches.
3286         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
3287         without gotos.
3288         (disband_implicit_edges, has_label_p): Removed.
3289         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
3290         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
3291         branches.
3292         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
3293         side effects.
3294         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
3295         also for COND_EXPRs.
3296         * cfgexpand.c (label_rtx_for_bb): New function.
3297         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
3298         Use label_rtx_for_bb to find the labels.
3299         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
3300         last block.  Detect fallthru edges.
3301
3302 2007-04-26  Ian Lance Taylor  <iant@google.com>
3303
3304         PR target/28675
3305         * reload.c (find_reloads_subreg_address): If the address was valid
3306         in the original mode but not in the new mode, reload the whole
3307         address.
3308
3309 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
3310
3311         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
3312         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
3313         (cleanup_control_expr_graph): Do not invalidate dominance info.
3314         Record altered blocks.
3315         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
3316         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
3317         cleanup_tree_cfg_bb): New functions.
3318         (remove_forwarder_block): Do not maintain the worklist of blocks.
3319         Record altered blocks.
3320         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
3321         not over whole cfg.
3322         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
3323         delete_unreachable_blocks if dominators are not available.
3324         * tree-inline.c (optimize_inline_calls): Free dominance information
3325         earlier.
3326         * tree-flow.h (remove_edge_and_dominated_blocks,
3327         cfgcleanup_altered_bbs): Altered.
3328         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
3329         blocks.
3330         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
3331         functions.
3332         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
3333         do not invalidate dominators.
3334
3335 2007-04-26  Anatoly Sokolov <aesok@post.ru>
3336
3337         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
3338         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
3339         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3340         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3341
3342 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
3343
3344         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
3345
3346 2007-04-26  Richard Guenther  <rguenther@suse.de>
3347
3348         PR tree-optimization/31703
3349         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
3350         the right type for the target of the bittest.
3351
3352 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
3353
3354         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
3355         ix86_sol10_return_in_memory.
3356
3357 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
3358
3359         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
3360         variables.
3361
3362 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
3363
3364         PR c++/31598
3365         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
3366
3367         PR tree-optimization/30558
3368         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
3369         clear this_state.prev_try.
3370
3371 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
3372             Mark Mitchell  <mark@codesourcery.com>
3373
3374         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
3375         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
3376         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
3377
3378 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
3379
3380         PR driver/31107
3381         * doc/invoke.texi (%:print-asm-header): Document.
3382         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
3383         and -ftarget-help.
3384         (static_spec_functions): Add print-asm-header.
3385         (main): Print a banner before the --target-help linker options.
3386         (print_asm_header_spec_function): New function.
3387
3388 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3389
3390         PR target/31403
3391         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
3392         (movsf_ie): Likewise.
3393
3394 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
3395
3396         * doc/extend.texi ([Type Traits]): Adjust per N2255.
3397