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[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2007-06-04  Tom Tromey  <tromey@redhat.com>
2
3         * c-common.c (c_common_get_alias_set): Fix indentation.
4
5 2007-06-04  Ian Lance Taylor  <iant@google.com>
6
7         * tree-vrp.c (adjust_range_with_scev): When loop is not expected
8         to overflow, reduce overflow infinity to regular infinity.
9         (vrp_var_may_overflow): New static function.
10         (vrp_visit_phi_node): Check vrp_var_may_overflow.
11
12 2007-06-04  Kazu Hirata  <kazu@codesourcery.com>
13
14         * stor-layout.c (layout_type): Remove duplicate code.
15
16 2007-06-04  Uros Bizjak  <ubizjak@gmail.com>
17
18         PR c/32191
19         * gcc/c-common.c (c_define_builtins): Call targetm.init_builtins ()
20         before build_common_builtin_nodes ().
21
22 2007-06-04  Steve Ellcey  <sje@cup.hp.com>
23
24         PR target/31733
25         * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
26
27 2007-05-31  Jan Hubicka  <jh@suse.cz>
28
29         * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
30         reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
31         instead of _stat version.
32
33 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
34
35         PR tree-optimization/32194
36         * tree-predcom.c (determine_offset): Check that both references have
37         the same type.
38
39 2007-06-03  Zdenek Dvorak  <dvorakz@suse.cz>
40
41         * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
42         Change dom_bbs to vector.  Add argument to iterate_fix_dominators call.
43         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
44         * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
45         Add argument to iterate_fix_dominators call.
46         (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
47         * gcse.c (hoist_code): Change domby to vector.
48         * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
49         Add argument to iterate_fix_dominators call.
50         * loop-doloop.c (doloop_modify): Changed recount_dominator to
51         recompute_dominator.
52         * lambda-code.c (perfect_nestify): Ditto.
53         * cfgloopanal.c: Include graphds.h.
54         (struct edge, struct vertex, struct graph, dump_graph, new_graph,
55         add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
56         (mark_irreducible_loops): Use graphds_scc.  Remove argument from
57         add_edge call.
58         * graphds.c: New file.
59         * graphds.h: New file.
60         * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
61         (get_dominated_by, get_dominated_by_region): Change return type to
62         vector.
63         (verify_dominators): Recompute all dominators and compare the results.
64         (recount_dominator): Renamed to ...
65         (recompute_dominator): ... this.  Do not check that the block is
66         dominated by entry.
67         (iterate_fix_dominators): Reimplemented.
68         (prune_bbs_to_update_dominators, root_of_dom_tree,
69         determine_dominators_for_sons): New functions.
70         * et-forest.c (et_root): New function.
71         * et-forest.h (et_root): Declare.
72         * Makefile.in (graphds.o): Add.
73         (cfgloopanal.o): Add graphds.h dependency.
74         (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
75         * basic-block.h (get_dominated_by, get_dominated_by_region,
76         iterate_fix_dominators): Declaration changed.
77         (recount_dominator): Renamed to ...
78         (recompute_dominator): ... this.
79         * tree-ssa-threadupdate.c (thread_block): Free dominance info.
80         (thread_through_all_blocks): Do not free dominance info.
81
82 2007-06-03  Andreas Schwab  <schwab@suse.de>
83
84         * config/m68k/m68k.c (override_options): Don't override
85         REAL_MODE_FORMAT.
86         * config/m68k/m68k-modes.def (SF, DF): Define to use
87         motorola_single_format and motorola_double_format, resp.
88         * real.c (motorola_single_format): Renamed from
89         coldfire_single_format.
90         (motorola_double_format): Renamed from coldfire_double_format.
91         (encode_ieee_extended): Generate a proper canonical NaN image
92         respecting canonical_nan_lsbs_set.
93         (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
94         true.
95         * real.h: Adjust declarations.
96
97 2007-06-03  Kaz Kojima  <kkojima@gcc.gnu.org>
98
99         PR target/32163
100         * config/sh/sh.md (symGOT_load): Don't schedule insns when
101         the symbol is generated with the stack protector.
102
103 2007-06-03  Kazu Hirata  <kazu@codesourcery.com>
104
105         * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
106         (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
107         "interrupt".
108         * doc/extend.texi (interrupt): Mention m68k.
109
110 2007-06-02  Uros Bizjak  <ubizjak@gmail.com>
111
112         * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
113         safe_vector_operand() if input operand is VECTOR_MODE_P operand.
114         (ix86_expand_sse_pcmpestr): Do not check operands for
115         "register_operand", when insn operand predicate is "register_operand".
116         (ix86_expand_sse_pcmpistr): Ditto.
117
118 2007-06-02  H.J. Lu  <hongjiu.lu@intel.com>
119             Uros Bizjak  <ubizjak@gmail.com>
120
121         * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
122         (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
123         (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
124         (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
125         * config/i386/constraints.md ("z"): New register constraint
126         for members of SSE_FIRST_REG class.
127         * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
128         * config/i386/i386.c (regclass_map): Change class of %xmm0 to
129         SSE_FIRST_REG class.
130         (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
131         (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
132         (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
133         (IX86_BUILTIN_PCMPESTRM128): Likewise.
134         (IX86_BUILTIN_PCMPESTRA128): Likewise.
135         (IX86_BUILTIN_PCMPESTRC128): Likewise.
136         (IX86_BUILTIN_PCMPESTRO128): Likewise.
137         (IX86_BUILTIN_PCMPESTRS128): Likewise.
138         (IX86_BUILTIN_PCMPESTRZ128): Likewise.
139         (IX86_BUILTIN_PCMPISTRI128): Likewise.
140         (IX86_BUILTIN_PCMPISTRM128): Likewise.
141         (IX86_BUILTIN_PCMPISTRA128): Likewise.
142         (IX86_BUILTIN_PCMPISTRC128): Likewise.
143         (IX86_BUILTIN_PCMPISTRO128): Likewise.
144         (IX86_BUILTIN_PCMPISTRS128): Likewise.
145         (IX86_BUILTIN_PCMPISTRZ128): Likewise.
146         (struct builtin_description): Change "flag" field to unsigned.
147         (bdesc_pcmpestr): New builtin description table.
148         (bdesc_pcmpistr): Likewise.
149         (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
150         v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
151         Initialize pcmp[ei]str[im] insns for SSE4.2.
152         (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
153         (ix86_expand_sse_pcmpistr): Likewise.
154         (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
155         * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
156         (UNSPEC_PCMPISTR): Likewise.
157         * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
158         (sse4_2_pcmpestri):New isns pattern.
159         (sse4_2_pcmpestrm): Likewise.
160         (sse4_2_pcmpestr_cconly): Likewise.
161         (sse4_2_pcmpistr): New insn patern and splitter.
162         (sse4_2_pcmpistri):New isns pattern.
163         (sse4_2_pcmpistrm): Likewise.
164         (sse4_2_pcmpistr_cconly): Likewise.
165         * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
166         in SSE4.2.
167
168 2007-06-01  David Daney  <ddaney@avtrex.com>
169
170         * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
171         LOADGP_ABSOLUTE and not binds_local_p.
172         
173 2007-06-01  Geoffrey Keating  <geoffk@apple.com>
174
175         * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
176
177 2007-06-01  Ian Lance Taylor  <iant@google.com>
178
179         * tree-vrp.c (compare_name_with_value): Always set
180         used_strict_overflow if we get a result from the variable itself.
181
182 2007-06-01  Ian Lance Taylor  <iant@google.com>
183
184         PR rtl-optimization/31455
185         * lower-subreg.c (find_decomposable_subregs): Don't decompose
186         subregs which have a cast between modes which are not tieable.
187
188 2007-06-01  Uros Bizjak  <ubizjak@gmail.com>
189
190         * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
191         breaks after return statements.
192
193 2007-06-01  Kaz Kojima  <kkojima@gcc.gnu.org>
194
195         * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
196         only after no_new_pseudos.
197
198 2007-05-31  Eric Christopher  <echristo@apple.com>
199
200         * expr.c (convert_move): Assert that we don't have a BLKmode
201         operand.
202         (store_expr): Handle BLKmode moves by calling emit_block_move.
203
204 2007-05-31  Daniel Berlin  <dberlin@dberlin.org>
205
206         * c-typeck.c (build_indirect_ref): Include type in error message.
207         (build_binary_op): Pass types to binary_op_error.
208         * c-common.c (binary_op_error): Take two type arguments, print out
209         types with error.
210         * c-common.h (binary_op_error): Update prototype.
211
212 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
213
214         * config/i386/i386.c: Correct coments on -mno-sse4.
215
216 2007-05-31  H.J. Lu  <hongjiu.lu@intel.com>
217
218         * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
219         (x86_64-*-*): Likewise.
220         * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
221         (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
222         (OPTION_MASK_ISA_SSE_UNSET): Likewise.
223         (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
224         (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
225         (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
226         (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
227         (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
228         (OPTION_MASK_ISA_SSE4): Likewise.
229         (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
230         (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
231         (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET.  Handle SSE4.2.
232         (override_options): Support SSE4.2.
233         (ix86_build_const_vector): Support SImode and DImode.
234         (ix86_build_signbit_mask): Likewise.
235         (ix86_expand_int_vcond): Support V2DImode.
236         (IX86_BUILTIN_CRC32QI): New for SSE4.2.
237         (IX86_BUILTIN_CRC32HI): Likewise.
238         (IX86_BUILTIN_CRC32SI): Likewise.
239         (IX86_BUILTIN_CRC32DI): Likewise.
240         (IX86_BUILTIN_PCMPGTQ): Likewise.
241         (bdesc_crc32): Likewise.
242         (bdesc_sse_3arg): Likewise.
243         (ix86_expand_crc32): Likewise.
244         (ix86_init_mmx_sse_builtins): Support SSE4.2.
245         (ix86_expand_builtin): Likewise.
246         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
247         __SSE4_2__ for -msse4.2.
248         * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
249         (CRC32MODE): Likewise.
250         (crc32modesuffix): Likewise.
251         (crc32modeconstraint): Likewise.
252         (sse4_2_crc32<mode>): Likewise.
253         (sse4_2_crc32di): Likewise.
254         * config/i386/i386.opt (msse4.2): New for SSE4.2.
255         (msse4): Likewise.
256         * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
257         * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
258         * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
259         (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
260         (vcondu<mode>): Likewise.
261         * doc/extend.texi: Document SSE4.2 built-in functions.
262         * doc/invoke.texi: Document -msse4.2/-msse4.
263
264 2007-05-31  Zdenek Dvorak  <dvorakz@suse.cz>
265
266         PR tree-optimization/32160
267         * tree-predcom.c (predcom_tmp_var): New function.  Mark created
268         variable as gimple reg.
269         (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
270
271 2007-05-31  Kazu Hirata  <kazu@codesourcery.com>
272
273         * gcc.c (main): Don't consider linker options when issuing the
274         warning about a linker input file not being used.
275
276 2007-05-30  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
277
278         * tree-vrp.c (compare_names): Initialize sop.
279
280 2007-05-30  Dirk Mueller  <dmueller@suse.de>
281
282         * cgraphunit.c (cgraph_analyze_function): Remove
283         computation of inline parameters.
284
285 2007-05-30  Uros Bizjak  <ubizjak@gmail.com>
286
287         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
288
289 2007-05-30  Richard Sandiford  <richard@codesourcery.com>
290
291         * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
292         Add vx-common.h.  Include vxworks.h between vx-common.h and
293         arm/vxworks.h.
294         * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
295         redefining.
296         * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
297         (TARGET_ASM_DESTRUCTOR): Likewise.
298         * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
299         instead of arm_is_xscale.  Use VXWORKS_OS_CPP_BUILTINS.
300         (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
301         (CC1_SPEC): Add -tstrongarm.  Line up backslashes.
302         (VXWORKS_ENDIAN_SPEC): Define.
303         (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
304         (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
305         VXWORKS_* equivalents.
306         (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
307         (ASM_FILE_START): Delete.
308         (TARGET_VERSION): Reformat.
309         (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
310         (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
311         * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
312         (FPBIT, DPBIT): Define.
313         (fp-bit.c, dp-bit.c): New rules.
314         (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
315         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
316         * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
317         * config/arm/arm.h: Include vxworks-dummy.h.
318         * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
319         Mark with ATTRIBUTE_UNUSED.
320         (arm_override_options): Do not allow VxWorks RTP PIC to be used
321         for Thumb.  Force r9 to be the PIC register for VxWorks RTPs and
322         make it incompatible with -msingle-pic-base.
323         (arm_function_ok_for_sibcall): Return false for calls that might
324         go through a VxWorks PIC PLT entry.
325         (require_pic_register): New function, split out from...
326         (legitimize_pic_address): ...here.  Do not use GOTOFF accesses
327         for VxWorks RTPs.
328         (arm_load_pic_register): Handle the VxWorks RTP initialization
329         sequence.  Use pic_reg as a shorthand for cfun->machine->pic_reg.
330         (arm_emit_call_insn): New function.
331         (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
332         * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
333         (pic_offset_arm): New pattern.
334         (call, call_value): Use arm_emit_call_insn.
335         (call_internal, call_value_internal): New expanders.
336         * config/arm/lib1funcs.asm (__PLT__): Define to empty for
337         VxWorks unless __PIC__.
338
339 2007-05-30  Eric Christopher  <echristo@gmail.com>
340
341         * genrecog.c: Include regs.h in generated file.
342         * genemit.c: Ditto. Fix up formatting.
343         * config/mn10300/constraints.md: New.
344         * config/mn10300/mn10300.md: Include.
345         * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
346         Fix up for removed macro.
347         * config/mn10300/predicates.md (call_address_operand):  Ditto.
348         * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
349         (CONST_OK_FOR_I): Ditto.
350         (CONST_OK_FOR_J): Ditto.
351         (CONST_OK_FOR_K): Ditto.
352         (CONST_OK_FOR_L): Ditto.
353         (CONST_OK_FOR_M): Ditto.
354         (CONST_OK_FOR_N): Ditto.
355         (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
356         (OK_FOR_Q): Ditto.
357         (OK_FOR_R): Ditto.
358         (OK_FOR_T): Ditto.
359         (EXTRA_CONSTRAINT): Ditto.
360
361 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
362
363         * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
364         Remove defines.
365         * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
366         OPTION_MASK_ISA_64BIT.
367         * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
368
369 2007-05-30  Richard Guenther  <rguenther@suse.de>
370
371         PR middle-end/32152
372         * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
373         types for comparison.
374         * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
375         with original typed arguments.
376         * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
377
378 2007-05-30  Jakub Jelinek  <jakub@redhat.com>
379
380         PR tree-optimization/31769
381         * except.c (duplicate_eh_regions): Clear prev_try if
382         ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
383
384 2007-05-30  Zdenek Dvorak  <dvorakz@suse.cz>
385
386         * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
387         * tree-ssa-sink.c (statement_sink_location): Return basic block and
388         bsi of the location where statements should be inserted.
389         (sink_code_in_bb): Take bsi from statement_sink_location.
390         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
391         instead of bsi_start.
392         * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
393         bsi_insert_after.
394         * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
395         (bsi_move_before): Document inconsistency with bsi_move_after.
396         (tree_redirect_edge_and_branch): Do not create labels if not necessary.
397
398 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
399
400         * config/i386/i386.h (TARGET_ABM): New define.
401         (TARGET_POPCNT): Ditto.
402         (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
403         New temporary defines to redefine from OPTION_ISA_* defines.
404         (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
405         New temporary defines to redefine from OPTION_MASK_ISA_* defines.
406         (ix86_isa_flags): New extern int declaration.
407         (TARGET_SUBTARGET_DEFAULT): New define.
408         (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
409         (TARGET_SUBTARGET32_DEFAULT): Ditto.
410         (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
411         (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
412         * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
413         * config/i386/darwin.h: Change TARGET_64BIT define to
414         OPTION_ISA_64BIT.
415
416         * config/i386/i386.opt (m3dnowa): Define as undocumented option
417         using existing "ix86_isa_flags" varible.
418         (m32, m64): Use existing "ix86_isa_flags" variable.
419         (mmmx, m3dnow): Ditto.
420         (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
421         (mabm): Define as non-negative option using "x86_abm" variable.
422         (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
423
424         * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
425         Rewrite feature test bitmap.
426         (ix86_isa_flags): New initialized global int varible.
427         (ix86_isa_flags_explicit): New static int variable.
428         (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
429         msse, msse2, msse3, msse4.1 and msse4a option is processed.  Change
430         i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
431         target_flags_explicit.
432         (override_options): Remove "target_enable" and "target_disable" fields
433         from "struct ptt". Update processor_target_table accordingly. Remove
434         PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
435         defined and rearrange PTA_* bits.  Use "ix86_isa_flags" instead of
436         "target_flags" and "ix86_isa_flags_explicit" instead of
437         "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
438         MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*.  Set "x86_abm" to true when
439         PTA_ABM is set in processor_alias_table flags entry.  Set "x86_popcnt"
440         to true when either of PTA_POPCNT or PTA_ABM is set in
441         processor_alias_table flags entry.  Set "x86_prefetch_sse" to true
442         when either of PTA_PREFETCH_SSE or PTA_SSE is set in
443         processor_alias_table flags entry.  Remove handling of
444         "target_enable" and "target_disable" fields of processor_target_table.
445         Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
446         targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
447         Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
448         targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
449         (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
450         "target_flags".
451         (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
452
453 2007-05-29  David Daney  <ddaney@avtrex.com>
454
455         PR gcc/31975
456         * config/mips/mips.c (mips_output_mi_thunk): Emit
457         NOTE_INSN_PROLOGUE_END at beginning of the thunk.
458
459 2007-05-29  Hui-May Chang  <hm.chang@apple.com>
460         * config/i386/i386.c (ix86_function_regparm): Added checking of
461         ix86_force_align_arg_pointer to determine the number of
462         register parameters.
463
464 2007-05-29  Zdenek Dvorak  <dvorakz@suse.cz>
465
466         * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
467         (SET_DR_MISALIGNMENT): New.
468         * tree-vect-analyze.c (vect_compute_data_ref_alignment,
469         vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
470         Use SET_DR_MISALIGNMENT.
471         * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
472         pointer.
473         * tree-data-ref.c (create_data_ref, compute_all_dependences,
474         find_loop_nest): Export.
475         * tree-data-ref.h (struct data_reference): Change aux field to pointer.
476         (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
477         * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
478         (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
479         New macros.
480         (struct mem_ref): Add field reuse_distance.
481         (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
482         Initialize reuse_distance field.
483         (issue_prefetch_ref): Select temporality of prefetch according to
484         reuse_distance.
485         (volume_of_references, volume_of_dist_vector, add_subscript_strides,
486         self_reuse_distance, determine_loop_nest_reuse): New functions.
487         (loop_prefetch_arrays): Call determine_loop_nest_reuse.
488         (tree_ssa_prefetch_arrays): Dump L2 cache size.
489         * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
490         dependency.
491
492 2007-05-29  Daniel Berlin  <dberlin@dberlin.org>
493
494         * tree-ssa-alias.c: Add aliasing overview.
495
496 2007-05-29  Zuxy Meng  <zuxy.meng@gmail.com>
497             Danny Smith  <dannysmith@users.sourceforge.net>
498
499         PR target/29498
500         * config/i386/t-crtfm: Compile crtfastmath.o with
501         -minline-all-stringops.
502         * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
503         * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
504
505 2007-05-28  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
506
507         * doc/md.texi: Document constraints on HP PA-RISC.
508
509         * pa/constraints.md: New file.
510         * pa.md: Include constraints.md.
511         * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
512         (integer_store_memory_operand, ldil_cint_p): New functions.
513         * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
514         * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
515         IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
516         * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
517         * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
518
519 2007-05-28  Andrew Pinski  <Andrew_pinski@playstation.sony.com>
520
521         PR c/31339
522         * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
523         case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
524         case POSTDECREMENT_EXPR>): Return the error_mark_node
525         if either the real or imaginary parts would an
526         error_mark_node.
527
528 2007-05-28  Daniel Berlin  <dberlin@dberlin.org>
529
530         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
531         name when we remove it from a call.
532
533 2007-05-28  Kazu Hirata  <kazu@codesourcery.com>
534
535         * targhooks.c (default_narrow_bitfield): Remove.
536         * targhooks.h: Remove the prototype for
537         default_narrow_bitfield.
538
539         * langhooks-def.h: Remove the prototype for
540         hook_get_alias_set_0.
541         * langhooks.c (hook_get_alias_set_0): Remove.
542
543         * global.c (EXECUTE_IF_CONFLICT): Remove.
544
545 2007-05-28  Andrew Pinski  <andrew_pinski@playstation.sony.com>
546
547         PR tree-opt/32100
548         * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
549         return true when truth_value_p is true and the type
550         is of signed:1.
551
552 2007-05-28  Gerald Pfeifer  <gerald@pfeifer.com>
553
554         * doc/install.texi (Prerequisites): We no longer require Autoconf
555         2.13 for the top-level.
556
557 2007-05-28  Uros Bizjak  <ubizjak@gmail.com>
558
559         * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
560         memory access via x86_expand_vector_move_misalign() only for
561         TImode values on 32-bit targets.
562
563 2007-05-28  Razya Ladelsky  <razya@il.ibm.com>
564
565         * matrix-reorg.c: New file. Implement matrix flattening and
566         transposing optimization.
567         * tree-pass.h: Add matrix reorg pass.
568         * common.opt: Add fipa-mreorg flag.
569         * Makefile.in: Add matrix-reorg.c.
570         * passes.c: Add matrix reorg pass.
571         * varpool.c (add_new_static_var): New function.
572         * cgraph.h (add_new_static_var): Declare.
573
574 2007-05-27  Eric Christopher  <echristo@apple.com>
575
576         * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
577         sp_offset depending on stack size. Save r12 depending
578         on registers we're saving later.
579         (rs6000_emit_epilogue): Update sp_offset depending only
580         on stack size.
581
582 2007-05-27  Zdenek Dvorak  <dvorakz@suse.cz>
583
584         * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
585         * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
586         * ifcvt.c (if_convert): Ditto.
587         * tree-ssa-threadupdate.c (thread_block): Ditto.
588         (thread_through_all_blocks): Ditto.  Assert that loops were analysed.
589         * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
590         verify_loop_closed_ssa): Check number_of_loops instead of
591         current_loops.
592         * predict.c (tree_estimate_probability): Ditto.
593         * tree-if-conv.c (main_tree_if_conversion): Ditto.
594         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
595         * modulo-sched.c (sms_schedule): Ditto.
596         * tree-scalar-evolution.c (scev_const_prop): Ditto.
597         (scev_finalize): Do not do anything if scev analysis was not
598         initialized.
599         * cfgloopanal.c (mark_irreducible_loops): Do not check whether
600         current_loops == NULL.
601         (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
602         * loop-init.c (loop_optimizer_init): Do not free current_loops when
603         there are no loops.
604         (loop_optimizer_finalize): Assert that loops were analyzed.
605         (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
606         rtl_doloop): Check number_of_loops instead of current_loops.
607         * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
608         current_loops == NULL.
609         (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
610         gate_tree_vectorize tree_linear_transform, check_data_deps,
611         tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
612         tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
613         Check number_of_loops instead of current_loops.
614         (tree_ssa_loop_done): Do not check whether current_loops == NULL.
615         * tree-ssa-pre.c (fini_pre): Do not take do_fre argument.  Always
616         free loops if available.
617         (execute_pre): Do not pass do_fre to fini_pre.
618
619 2007-05-27  Tobias Burnus  <burnus@net-b.de>
620
621         PR middle-end/32083
622         * real.c (mpfr_from_real): Fix sign of -Inf.
623
624 2007-05-27  H.J. Lu  <hongjiu.lu@intel.com>
625
626         * tree-vect-transform.c (vectorizable_conversion): Initialize
627         tree_code variables to ERROR_MARK.
628         (vectorizable_type_demotion): Likewise.
629         (vectorizable_type_promotion): Likewise.
630
631 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
632
633         PR target/32065
634         * config/i386/i386.md (movti): Handle push operands via
635         ix86_expand_push().
636
637 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
638
639         * basic-block.h: Remove the prototype for merge_seq_blocks.
640         * cfgcleanup.c (merge_seq_blocks): Remove.
641
642         * tree-flow.h: Remove the prototype for is_aliased_with.
643         * tree-ssa-alias.c (is_aliased_with): Remove.
644
645 2007-05-26  H.J. Lu  <hongjiu.lu@intel.com>
646
647         * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
648
649         * config/i386/i386.c (ix86_expand_sse4_unpack): New.
650
651         * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
652         ix86_expand_sse4_unpack if SSE4.1 is enabled.
653         (vec_unpacks_hi_v16qi): Likewise.
654         (vec_unpacku_lo_v16qi): Likewise.
655         (vec_unpacks_lo_v16qi): Likewise.
656         (vec_unpacku_hi_v8hi): Likewise.
657         (vec_unpacks_hi_v8hi): Likewise.
658         (vec_unpacku_lo_v8hi): Likewise.
659         (vec_unpacks_lo_v8hi): Likewise.
660         (vec_unpacku_hi_v4si): Likewise.
661         (vec_unpacks_hi_v4si): Likewise.
662         (vec_unpacku_lo_v4si): Likewise.
663         (vec_unpacks_lo_v4si): Likewise.
664
665 2007-05-26  Kazu Hirata  <kazu@codesourcery.com>
666
667         * c-typeck.c, config/arm/arm.c, config/darwin.c,
668         config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
669         omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
670         follow spelling conventions in various
671         warning/error/diagnostic messages.
672
673         * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
674         df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
675         fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
676         tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
677         tree-vrp.c: Fix comment typos.  Follow spelling conventions.
678         * doc/tm.texi: Follow spelling conventions.
679
680 2007-05-25  Andrew Pinski  <andrew_pinski@playstation.sony.com>
681
682         PR tree-opt/32090
683         * tree-ssa-forwprop.c
684         (forward_propagate_addr_into_variable_array_index): Remove
685         the lhs argument.  Use the type of def_rhs instead of lhs.
686         (forward_propagate_addr_expr_1): Update use of
687         forward_propagate_addr_into_variable_array_index.
688
689 2007-05-25  Sandra Loosemore  <sandra@codesourcery.com>
690             Nigel Stephens  <nigel@mips.com>
691
692         * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
693         function attributes, "far" being an alias for "long_call".
694         (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
695         (mips_near_type_p, mips_far_type_p): New.
696         (mips_comp_type_attributes): New function to check that attributes
697         attached to a function type are compatible.
698         (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
699         TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
700         to the target function of the thunk.
701         (mips_encode_section_info): Check for "near" and "far" function
702         attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
703
704         * config/mips/predicates.md (const_call_insn_operand): Test only
705         SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
706
707         * doc/extend.texi (Function Attributes): Document MIPS "near" and
708         "far" attributes.
709
710         * testsuite/gcc.target/mips/near-far-1.c:  New test case.
711         * testsuite/gcc.target/mips/near-far-2.c:  New test case.
712         * testsuite/gcc.target/mips/near-far-3.c:  New test case.
713         * testsuite/gcc.target/mips/near-far-4.c:  New test case.
714
715 2007-05-25  Eric Christopher  <echristo@apple.com>
716
717         * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
718         to x86-darwin configurations.
719         * config/i386/t-darwin: Add softfp support.
720         * config/i386/t-darwin64: Ditto.
721         * config/i386/sfp-machine.h: If mach then don't use
722         aliasing, emit a stub to call.
723
724 2007-05-25  Kazu Hirata  <kazu@codesourcery.com>
725
726         * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
727         haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
728         tree-predcom.c, tree-ssa-alias-warnings.c,
729         tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
730         comment typos.  Follow spelling conventions.
731         * doc/cpp.texi, doc/invoke.texi: Fix typos.
732
733 2007-05-26  Uros Bizjak  <ubizjak@gmail.com>
734
735         PR target/32065
736         * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
737         constants into memory.  Expand unaligned memory references for
738         SSE modes via x86_expand_vector_move_misalign() function.
739
740 2007-05-25  Uros Bizjak  <ubizjak@gmail.com>
741
742         * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
743         "memory" attribute for "sseishft" type insn without operands[2].
744
745 2007-05-25  Dirk Mueller  <dmueller@suse.de>
746             Marcus Meissner <meissner@suse.de>
747
748         * doc/extend.texi (alloc_size): New attribute.
749         * c-common.c (handle_alloc_size_attribute): New.
750         * tree-object-size.c (alloc_object_size): Use alloc_size
751         attribute, if available.
752
753 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
754
755         * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
756         with MASK_SSE2.
757         (__builtin_ia32_vec_ext_v2di): Likewise.
758         (__builtin_ia32_vec_ext_v4si): Likewise.
759         (__builtin_ia32_vec_ext_v8hi): Likewise.
760         (__builtin_ia32_vec_ext_v16qi): Likewise.
761         (__builtin_ia32_vec_set_v8hi): Likewise.
762
763 2007-05-25  H.J. Lu  <hongjiu.lu@intel.com>
764
765         * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
766
767 2007-05-25  Richard Sandiford  <richard@codesourcery.com>
768
769         * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
770         (arm_is_longcall_p): Rename to...
771         (arm_is_long_call_p): ...this.  Take a single tree argument and
772         return a bool.
773         * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
774         (CUMULATIVE_ARGS): Remove call_cookie.
775         (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
776         (ENCODED_LONG_CALL_ATTR_P): Delete.
777         (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
778         LONG_CALL_FLAG_CHAR cases.
779         (ARM_DECLARE_FUNCTION_SIZE): Delete.
780         * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
781         ARM_DECLARE_FUNCTION_SIZE.
782         * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
783         (arm_function_arg): Return const0_rtx for VOIDmode arguments.
784         (arm_encode_call_attribute, current_file_function_operand): Delete.
785         (arm_function_in_section_p): New function.
786         (arm_is_longcall_p): Rename to...
787         (arm_is_long_call_p): ...this.  Take the target function as a single
788         argument and return a bool.  Do not rely on call cookies.  Check
789         whether the target symbol is in the same section as the current
790         function, not just the same compilation unit.
791         (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
792         (arm_encode_section_info): Don't encode a call type.
793         * config/arm/arm.md (call, call_value): Update calls to
794         arm_is_long(_)call_p.  Simplify logic.
795         (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
796         Update calls to arm_is_long(_)call_p.
797
798 2007-05-25  Richard Guenther  <rguenther@suse.de>
799
800         PR tree-optimization/31982
801         * tree-ssa-forwprop.c
802         (forward_propagate_addr_into_variable_array_index): Handle arrays
803         with element size one.
804
805 2007-05-24  Andrew Pinski  <andrew_pinski@playstation.sony.com>
806
807         * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
808         (umulsi3_highpart): Likewise.
809
810 2007-05-24  Ian Lance Taylor  <iant@google.com>
811
812         PR rtl-optimization/32069
813         * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
814         is NULL.
815
816 2007-05-24  Ollie Wild  <aaw@google.com>
817
818         * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
819         description.
820
821 2007-05-24  Richard Sandiford  <rsandifo@nildram.co.uk>
822
823         * postreload-gcse.c (reg_changed_after_insn_p): New function.
824         (oprs_unchanged_p): Use it to check all registers in a REG.
825         (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
826         (reg_set_between_after_reload_p): Delete.
827         (reg_used_between_after_reload_p): Likewise.
828         (reg_set_or_used_since_bb_start): Likewise.
829         (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
830         and reg_used_between_p instead of reg_set_or_used_since_bb_start.
831         Use reg_set_between_p instead of reg_set_between_after_reload_p.
832         * rtlanal.c (reg_set_p): Check whether REG overlaps
833         regs_invalidated_by_call, rather than just checking the
834         membership of REGNO (REG).
835
836 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
837
838         * doc/passes.texi: Document predictive commoning.
839         * doc/invoke.texi (-fpredictive-commoning): Document.
840         * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
841         * tree-ssa-loop-im.c (get_lsm_tmp_name): Export.  Allow
842         adding indices to the generated name.
843         (schedule_sm): Pass 0 to get_lsm_tmp_name.
844         * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
845         * tree-pretty-print.c (op_symbol_1): Renamed to ...
846         (op_symbol_code): ... and exported.
847         (dump_omp_clause, op_symbol): Use op_symbol_code
848         instead of op_symbol_1.
849         * tree-pass.h (pass_predcom): Declare.
850         * timevar.def (TV_PREDCOM): New timevar.
851         * tree-ssa-loop.c (run_tree_predictive_commoning,
852         gate_tree_predictive_commoning, pass_predcom): New.
853         * tree-data-ref.c (find_data_references_in_loop): Find the
854         references in dominance order.
855         (canonicalize_base_object_address): Ensure that the result has
856         pointer type.
857         (dr_analyze_innermost): Export.
858         (create_data_ref): Code to fail for references with invariant
859         address moved ...
860         (find_data_references_in_stmt): ... here.
861         * tree-data-ref.h (dr_analyze_innermost): Declare.
862         * tree-affine.c: Include tree-gimple.h and hashtab.h.
863         (aff_combination_find_elt, name_expansion_hash,
864         name_expansion_eq, tree_to_aff_combination_expand,
865         double_int_constant_multiple_p, aff_combination_constant_multiple_p):
866         New functions.
867         * tree-affine.h (aff_combination_constant_multiple_p,
868         tree_to_aff_combination_expand): Declare.
869         * tree-predcom.c: New file.
870         * common.opt (fpredictive-commoning): New option.
871         * tree-flow.h (op_symbol_code, tree_predictive_commoning,
872         stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
873         * Makefile.in (tree-predcom.o): Add.
874         (tree-affine.o): Add TREE_GIMPLE_H dependency.
875         * passes.c (init_optimization_passes):  Add dceloop after
876         copy propagation in loop optimizer.  Add predictive commoning
877         to loop optimizer passes.
878
879 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
880
881         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
882         default hook.
883
884 2007-05-24  Jan Hubicka  <jh@suse.cz>
885
886         * gengenrtl.c (gendecl, gendef): Output the gens annotated for
887         statistics.
888         (genheader): Include statistics.h.
889
890         * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
891         notes are gone.
892         * print-rtl.c (flag_dump_unnumbered): Update comments.
893         (print_rtl): Fix my previous change.
894         * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
895         specific data.
896
897 2007-05-24  Zdenek Dvorak  <dvorakz@suse.cz>
898
899         PR middle-end/32018
900         * tree-ssa-threadupdate.c (thread_through_loop_header): Use
901         set_loop_copy.
902         (thread_through_all_blocks): Call initialize_original_copy_tables
903         and free_original_copy_tables.
904         * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
905         Use set_loop_copy.
906         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
907         * cfghooks.c (duplicate_block): Use get_loop_copy.
908         * cfg.c: Include cfgloop.h.
909         (loop_copy): New hash table.
910         (initialize_original_copy_tables): Initialize loop_copy table.
911         (free_original_copy_tables): Free loop_copy table.
912         (copy_original_table_clear, copy_original_table_set,
913         set_loop_copy, get_loop_copy): New functions.
914         (set_bb_original, set_bb_copy): Use copy_original_table_set.
915         * cfgloop.h (struct loop): Remove copy field.
916         * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
917         * basic-block.h (set_loop_copy, get_loop_copy): Declare.
918
919 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
920
921         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
922         -msse/-msse2/-msse3.
923
924 2007-05-24  H.J. Lu  <hongjiu.lu@intel.com>
925
926         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
927         __builtin_ia32_vec_set_v2di with MASK_64BIT.
928
929 2007-05-24  Danny Smith  <dannysmith@users.sourceforge.net>
930
931         PR target/27067
932         * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
933         * targhooks.h (default_mangle_decl_assembler_name): Declare
934         default hook.
935         * targhooks.c (default_mangle_decl_assembler_name): Define
936         default hook.
937         * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
938         default hook.
939         * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
940         * langhooks.c (lhd_set_decl_assembler_name): Call
941         targetm.mangle_decl_assembler_name for names with global scope.
942
943         * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
944         default.
945         (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
946         * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
947         Declare.
948         * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
949         New. Factored out of i386_pe_encode_section_info.
950         (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
951         Move check for prior decoration of stdcall
952         symbols to i386_pe_encode_section_info.
953         (i386_pe_encode_section_info): Adjust call to
954         gen_stdcall_or_fastcall_suffix.  Use
955         i386_pe_maybe_mangle_decl_assembler_name, if needed.
956         (i386_pe_mangle_decl_assembler_name): New. Wrap
957         i386_pe_maybe_mangle_decl_assembler_name.
958
959 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
960
961         * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
962         INTEGRAL_TYPE_P and TYPE_UNSIGNED.
963         * langhooks.c (get_signed_or_unsigned_type): Don't check for
964         INTEGRAL_TYPE_P or TYPE_UNSIGNED.
965         (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
966         TYPE_UNSIGNED.
967
968 2007-05-23  Sandra Loosemore  <sandra@codesourcery.com>
969             Nigel Stephens  <nigel@mips.com>
970             Richard Sandiford  <richard@codesourcery.com>
971
972         Fix up MIPS16 hard float and add support for complex.
973
974         * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
975         (TARGET_SOFT_FLOAT_ABI): New.
976         (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
977         __mips_soft_float to reflect the ABI in use, not whether the
978         FPU is directly accessible (e.g., in MIPS16 mode).
979         (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
980         (UNITS_PER_FPVALUE): Likewise.
981
982         * config/mips/mips.c (mips_expand_call): Remove redundant
983         TARGET_MIPS16 check.
984         (mips_arg_regno): New.
985         (function_arg_advance): When setting bits in cum->fp_code for
986         MIPS16, don't subtract 1 from cum->arg_number, since it is now
987         zero-based.
988         (function_arg): Use mips_arg_regno.
989         (mips_return_mode_in_fpr_p): New.
990         (mips16_call_stub_mode_suffix): New.
991         (mips16_cfun_returns_in_fpr_p): New.
992         (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
993         (mips_output_function_prologue): Test mips16_hard_float, not
994         !TARGET_SOFT_FLOAT, to decide when a function stub is required.
995         (mips_expand_epilogue): Call MIPS16 helper routines to copy
996         return value into a floating-point register.
997         (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
998         (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
999         (mips16_fp_args): Handle MIPS32r2 ISA which supports
1000         TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
1001         word of double arguments from or to the high bits of 64-bit
1002         floating point registers.
1003         (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
1004         (mips16_fpret_double): New helper function.
1005         (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p.  Add
1006         support for complex modes.  Fill in DECL_RESULT for stubdecl.
1007         (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
1008
1009         * config/mips/mips16.S
1010         (RET, ARG1, ARG2): New.
1011         (MERGE_GPRf, MERGE_GPRt): New.
1012         (DELAYt, DELAYf): New.
1013         (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
1014         (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
1015         (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
1016         (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
1017         (SFOP): Renamed to...
1018         (OPSF3): This, and macro-ified.  Updated all uses.
1019         (SFOP2): Renamed to...
1020         (OPSF2): This, and macro-ified.  Updated all uses.
1021         (SFCMP): Renamed to...
1022         (CMPSF): This, and macro-ified.  Updated all uses.
1023         (SFREVCMP): Renamed to...
1024         (REVCMPSF): This, and macro-ified.  Updated all uses.
1025         (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
1026         (LDDBL1, LDDBL2, RETDBL): Deleted.
1027         (DFOP): Renamed to...
1028         (OPDF3): This, and macro-ified.  Updated all uses.
1029         (DFOP2): Renamed to...
1030         (OPDF2): This, and macro-ified.  Updated all uses.
1031         (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
1032         (DFCMP): Renamed to...
1033         (CMPDF): This, and macro-ified.  Updated all uses.
1034         (DFREVCMP): Renamed to...
1035         (REVCMPDF): This, and macro-ified.  Updated all uses.
1036         (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
1037         (RET_FUNCTION): New.
1038         (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
1039         (__mips16_ret_sc, __mips16_ret_dc): New.
1040         (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
1041         STUB_ARGS_6, STUB_ARGS_10): New.
1042         (CALL_STUB_NO_RET): New.
1043         (__mips16_call_stub_1): Macro-ified.
1044         (__mips16_call_stub_5): Macro-ified.
1045         (__mips16_call_stub_2): Macro-ified.
1046         (__mips16_call_stub_6): Macro-ified.
1047         (__mips16_call_stub_9): Macro-ified.
1048         (__mips16_call_stub_10): Macro-ified.
1049         (CALL_STUB_RET): New.
1050         (__mips16_call_stub_sf_0): Macro-ified.
1051         (__mips16_call_stub_sf_1): Macro-ified.
1052         (__mips16_call_stub_sf_5): Macro-ified.
1053         (__mips16_call_stub_sf_2): Macro-ified.
1054         (__mips16_call_stub_sf_6): Macro-ified.
1055         (__mips16_call_stub_sf_9): Macro-ified.
1056         (__mips16_call_stub_sf_10): Macro-ified.
1057         (__mips16_call_stub_df_0): Macro-ified.
1058         (__mips16_call_stub_df_1): Macro-ified.
1059         (__mips16_call_stub_df_5): Macro-ified.
1060         (__mips16_call_stub_df_2): Macro-ified.
1061         (__mips16_call_stub_df_6): Macro-ified.
1062         (__mips16_call_stub_df_9): Macro-ified.
1063         (__mips16_call_stub_df_10): Macro-ified.
1064         (__mips16_call_stub_sc_0): New.
1065         (__mips16_call_stub_sc_1): New.
1066         (__mips16_call_stub_sc_5): New.
1067         (__mips16_call_stub_sc_2): New.
1068         (__mips16_call_stub_sc_6): New.
1069         (__mips16_call_stub_sc_9): New.
1070         (__mips16_call_stub_sc_10): New.
1071         (__mips16_call_stub_dc_0): New.
1072         (__mips16_call_stub_dc_1): New.
1073         (__mips16_call_stub_dc_5): New.
1074         (__mips16_call_stub_dc_2): New.
1075         (__mips16_call_stub_dc_6): New.
1076         (__mips16_call_stub_dc_9): New.
1077         (__mips16_call_stub_dc_10): New.
1078
1079         * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
1080         * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
1081         * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
1082
1083 2007-05-23  Ian Lance Taylor  <iant@google.com>
1084
1085         * doc/invoke.texi (Invoking GCC): Document that the order of the
1086         -l option matters.
1087
1088 2007-05-23  Chen Liqin  <liqin@sunnorth.com.cn>
1089
1090         PR target/30987
1091         * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
1092         * config/score/predicate.md (const_pow2, const_npow2): Remove.
1093         * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
1094         undef.
1095
1096         PR target/30474
1097         * config/score/score.c (score_print_operand): Make sure that only
1098         lower bits are used.
1099
1100 2007-05-22  Ian Lance Taylor  <iant@google.com>
1101
1102         * tree-vrp.c (avoid_overflow_infinity): New static function,
1103         broken out of set_value_range_to_value.
1104         (set_value_range_to_value): Call avoid_overflow_infinity.
1105         (extract_range_from_assert): Likewise.
1106
1107 2007-05-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1108
1109         PR middle-end/31095
1110          * builtins.c (expand_builtin_memmove_args): Strip nops that don't
1111         change the type before looking for a COMPOUND_EXPR.
1112
1113 2007-05-22  Ian Lance Taylor  <iant@google.com>
1114
1115         * lower-subreg.c (decompose_multiword_subregs): If we change an
1116         insn, call remove_retval_note on it.
1117
1118 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1119
1120         * regs.h (end_hard_regno): New function.
1121         (END_HARD_REGNO, END_REGNO): New macros.
1122         (add_to_hard_reg_set): New function.
1123         (remove_from_hard_reg_set): Likewise.
1124         (in_hard_reg_set_p): Likewise.
1125         (overlaps_hard_reg_set_p): Likewise.
1126         * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
1127         (note_btr_set): Use END_HARD_REGNO.
1128         * caller-save.c (setup_save_areas): Use end_hard_regno.
1129         (mark_set_regs): Use END_HARD_REGNO.
1130         (add_stored_regs): Use end_hard_regno.
1131         (mark_referenced_regs): Use add_to_hard_reg_set.
1132         * combine.c (update_table_tick): Use END_REGNO.
1133         (record_value_for_reg): Likewise.
1134         (record_dead_and_set_regs): Likewise.
1135         (get_last_value_validate): Likewise.
1136         (use_crosses_set_p): Likewise.
1137         (reg_dead_at_p_1): Likewise.
1138         (reg_dead_at_p): Likewise.
1139         (mark_used_regs_combine): Use add_to_hard_reg_set.
1140         (move_deaths): Use END_HARD_REGNO.
1141         (reg_bitfield_target_p): Use end_hard_regno.
1142         (distribute_notes): Use END_HARD_REGNO.
1143         * cse.c (mention_regs): Use END_REGNO.
1144         (insert): Use add_to_hard_reg_set.
1145         (invalidate): Use END_HARD_REGNO.
1146         (invalidate_for_call): Likewise.
1147         (exp_equiv_p): Use END_REGNO.
1148         (cse_insn): Likewise.
1149         * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
1150         * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
1151         * df-scan.c (df_ref_record): Use END_HARD_REGNO.
1152         * function.c (keep_stack_depressed): Use end_hard_regno.
1153         * global.c (global_alloc): Use end_hard_regno.
1154         (global_conflicts): Use add_to_hard_reg_set instead of
1155         mark_reg_live_nc.
1156         (find_reg): Likewise.
1157         (mark_reg_store): Likewise.
1158         (mark_reg_conflicts): Likewise.
1159         (mark_reg_death): Use remove_from_hard_reg_set.
1160         (mark_reg_live_nc): Delete.
1161         (set_preference): Use end_hard_regno.
1162         * local-alloc.c (mark_life): Use add_to_hard_reg_set and
1163         remove_from_hard_reg_set.
1164         (post_mark_life): Use add_to_hard_reg_set.
1165         * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
1166         (reg_becomes_live): Use add_to_hard_reg_set.
1167         * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
1168         (peep2_find_free_register): Use add_to_hard_reg_set.
1169         * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
1170         * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
1171         * regrename.c (note_sets): Use add_to_hard_reg_set.
1172         (clear_dead_regs): Use remove_from_hard_reg_set.
1173         (regrename_optimize): Use add_to_hard_reg_set.
1174         (find_oldest_value_reg): Use in_hard_reg_set_p.
1175         * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
1176         (hard_reg_set_here_p): Use end_hard_regno.
1177         (decompose): Likewise.
1178         (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
1179         (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
1180         * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
1181         (mark_home_live): Use end_hard_regno.
1182         (spill_hard_reg): Likewise.
1183         (clear_reload_reg_in_use): Likewise.
1184         * reorg.c (delete_prior_computation): Use END_REGNO.
1185         * resource.c (update_live_status): Use END_HARD_REGNO.
1186         (mark_referenced_resources): Use add_to_hard_reg_set.
1187         (mark_set_resources): Likewise.
1188         (mark_target_live_regs): Likewise.  Use remove_from_hard_reg_set.
1189         * rtlanal.c (refers_to_regno_p): Use END_REGNO.
1190         (reg_overlap_mentioned_p): Likewise.
1191         (dead_or_set_p): Likewise.  Use an exclusive upper loop bound.
1192         (covers_regno_no_parallel_p): Use END_REGNO.
1193         (find_regno_note): Likewise.
1194         (find_reg_fusage): Use END_HARD_REGNO.
1195         * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
1196         * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
1197
1198 2007-05-22  Richard Sandiford  <rsandifo@nildram.co.uk>
1199
1200         * mode-switching.c (reg_dies): Change type of second argument to
1201         "HARD_REG_SET *".
1202         (optimize_mode_switching): Update accordingly.
1203
1204 2007-05-22  Richard Sandiford  <richard@codesourcery.com>
1205
1206         * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
1207         in favor of...
1208         (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
1209         (hard_reg_set_empty_p): ...these new functions.
1210         * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
1211         GO_IF_HARD_REG_SUBSET.
1212         * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
1213         instead of GO_IF_HARD_REG_EQUAL.
1214         * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
1215         instead of GO_IF_HARD_REG_EQUAL.
1216         * global.c (find_reg): Use hard_reg_set_empty_p instead of
1217         GO_IF_HARD_REG_SUBSET.
1218         (modify_reg_pav): Use hard_reg_set_empty_p instead of
1219         GO_IF_HARD_REG_EQUAL.
1220         * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
1221         of GO_IF_HARD_REG_SUBSET.
1222         * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
1223         instead of GO_IF_HARD_REG_EQUAL.
1224         * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
1225         hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
1226         (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
1227         of GO_IF_HARD_REG_SUBSET,
1228         * reload1.c (finish_spills): Use hard_reg_subset_p instead of
1229         GO_IF_HARD_REG_SUBSET.
1230         * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
1231         instead of GO_IF_HARD_REG_EQUAL.
1232         * config/sh/sh.c (push_regs, calc_live_regs): Use
1233         hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
1234         (hard_regs_intersect_p): Delete.
1235
1236 2007-05-22  Janis Johnson  <janis187@us.ibm.com>
1237
1238         * doc/sourcebuild.texi (Test Directives) Add dg-message.
1239
1240 2007-05-22  H.J. Lu  <hongjiu.lu@intel.com>
1241             Richard Henderson  <rth@redhat.com>
1242
1243         * config.gcc (i[34567]86-*-*): Add smmintrin.h to
1244         extra_headers.
1245         (x86_64-*-*): Likewise.
1246
1247         * i386/i386-modes.def (V2QI): New.
1248
1249         * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
1250         SSE4A.
1251         (override_options): Support SSE4.1.
1252         (IX86_BUILTIN_BLENDPD): New for SSE4.1.
1253         (IX86_BUILTIN_BLENDPS): Likewise.
1254         (IX86_BUILTIN_BLENDVPD): Likewise.
1255         (IX86_BUILTIN_BLENDVPS): Likewise.
1256         (IX86_BUILTIN_PBLENDVB128): Likewise.
1257         (IX86_BUILTIN_PBLENDW128): Likewise.
1258         (IX86_BUILTIN_DPPD): Likewise.
1259         (IX86_BUILTIN_DPPS): Likewise.
1260         (IX86_BUILTIN_INSERTPS128): Likewise.
1261         (IX86_BUILTIN_MOVNTDQA): Likewise.
1262         (IX86_BUILTIN_MPSADBW128): Likewise.
1263         (IX86_BUILTIN_PACKUSDW128): Likewise.
1264         (IX86_BUILTIN_PCMPEQQ): Likewise.
1265         (IX86_BUILTIN_PHMINPOSUW128): Likewise.
1266         (IX86_BUILTIN_PMAXSB128): Likewise.
1267         (IX86_BUILTIN_PMAXSD128): Likewise.
1268         (IX86_BUILTIN_PMAXUD128): Likewise.
1269         (IX86_BUILTIN_PMAXUW128): Likewise.
1270         (IX86_BUILTIN_PMINSB128): Likewise.
1271         (IX86_BUILTIN_PMINSD128): Likewise.
1272         (IX86_BUILTIN_PMINUD128): Likewise.
1273         (IX86_BUILTIN_PMINUW128): Likewise.
1274         (IX86_BUILTIN_PMOVSXBW128): Likewise.
1275         (IX86_BUILTIN_PMOVSXBD128): Likewise.
1276         (IX86_BUILTIN_PMOVSXBQ128): Likewise.
1277         (IX86_BUILTIN_PMOVSXWD128): Likewise.
1278         (IX86_BUILTIN_PMOVSXWQ128): Likewise.
1279         (IX86_BUILTIN_PMOVSXDQ128): Likewise.
1280         (IX86_BUILTIN_PMOVZXBW128): Likewise.
1281         (IX86_BUILTIN_PMOVZXBD128): Likewise.
1282         (IX86_BUILTIN_PMOVZXBQ128): Likewise.
1283         (IX86_BUILTIN_PMOVZXWD128): Likewise.
1284         (IX86_BUILTIN_PMOVZXWQ128): Likewise.
1285         (IX86_BUILTIN_PMOVZXDQ128): Likewise.
1286         (IX86_BUILTIN_PMULDQ128): Likewise.
1287         (IX86_BUILTIN_PMULLD128): Likewise.
1288         (IX86_BUILTIN_ROUNDPD): Likewise.
1289         (IX86_BUILTIN_ROUNDPS): Likewise.
1290         (IX86_BUILTIN_ROUNDSD): Likewise.
1291         (IX86_BUILTIN_ROUNDSS): Likewise.
1292         (IX86_BUILTIN_PTESTZ): Likewise.
1293         (IX86_BUILTIN_PTESTC): Likewise.
1294         (IX86_BUILTIN_PTESTNZC): Likewise.
1295         (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
1296         (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
1297         (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
1298         (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
1299         (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
1300         (bdesc_ptest): New.
1301         (bdesc_sse_3arg): Likewise.
1302         (bdesc_2arg): Likewise.
1303         (bdesc_1arg): Likewise.
1304         (ix86_init_mmx_sse_builtins): Support SSE4.1.  Handle SSE builtins
1305         with 3 args.
1306         (ix86_expand_sse_4_operands_builtin): New.
1307         (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
1308         smaller than 8 bits as the 2nd arg.
1309         (ix86_expand_sse_ptest): New.
1310         (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
1311         (ix86_expand_vector_set): Support SSE4.1.
1312         (ix86_expand_vector_extract): Likewise.
1313
1314         * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
1315         __SSE4_1__ for -msse4.1.
1316
1317         * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
1318         (UNSPEC_INSERTPS): Likewise.
1319         (UNSPEC_DP): Likewise.
1320         (UNSPEC_MOVNTDQA): Likewise.
1321         (UNSPEC_MPSADBW): Likewise.
1322         (UNSPEC_PHMINPOSUW): Likewise.
1323         (UNSPEC_PTEST): Likewise.
1324         (UNSPEC_ROUNDP): Likewise.
1325         (UNSPEC_ROUNDS): Likewise.
1326
1327         * config/i386/i386.opt (msse4.1): New for SSE4.1.
1328
1329         * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
1330         (const_pow2_1_to_32768_operand): Likewise.
1331
1332         * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
1333         file.
1334
1335         * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
1336         SSE4.1.
1337         (sse4_1_insertps): Likewise.
1338         (*sse4_1_extractps): Likewise.
1339         (sse4_1_ptest): Likewise.
1340         (sse4_1_mulv2siv2di3): Likewise.
1341         (*sse4_1_mulv4si3): Likewise.
1342         (*sse4_1_smax<mode>3): Likewise.
1343         (*sse4_1_umax<mode>3): Likewise.
1344         (*sse4_1_smin<mode>3): Likewise.
1345         (*sse4_1_umin<mode>3): Likewise.
1346         (sse4_1_eqv2di3): Likewise.
1347         (*sse4_1_pinsrb): Likewise.
1348         (*sse4_1_pinsrd): Likewise.
1349         (*sse4_1_pinsrq): Likewise.
1350         (*sse4_1_pextrb): Likewise.
1351         (*sse4_1_pextrb_memory): Likewise.
1352         (*sse4_1_pextrw_memory): Likewise.
1353         (*sse4_1_pextrq): Likewise.
1354         (sse4_1_blendpd): Likewise.
1355         (sse4_1_blendps): Likewise.
1356         (sse4_1_blendvpd): Likewise.
1357         (sse4_1_blendvps): Likewise.
1358         (sse4_1_dppd): Likewise.
1359         (sse4_1_dpps): Likewise.
1360         (sse4_1_movntdqa): Likewise.
1361         (sse4_1_mpsadbw): Likewise.
1362         (sse4_1_packusdw): Likewise.
1363         (sse4_1_pblendvb): Likewise.
1364         (sse4_1_pblendw): Likewise.
1365         (sse4_1_phminposuw): Likewise.
1366         (sse4_1_extendv8qiv8hi2): Likewise.
1367         (*sse4_1_extendv8qiv8hi2): Likewise.
1368         (sse4_1_extendv4qiv4si2): Likewise.
1369         (*sse4_1_extendv4qiv4si2): Likewise.
1370         (sse4_1_extendv2qiv2di2): Likewise.
1371         (*sse4_1_extendv2qiv2di2): Likewise.
1372         (sse4_1_extendv4hiv4si2): Likewise.
1373         (*sse4_1_extendv4hiv4si2): Likewise.
1374         (sse4_1_extendv2hiv2di2): Likewise.
1375         (*sse4_1_extendv2hiv2di2): Likewise.
1376         (sse4_1_extendv2siv2di2): Likewise.
1377         (*sse4_1_extendv2siv2di2): Likewise.
1378         (sse4_1_zero_extendv8qiv8hi2): Likewise.
1379         (*sse4_1_zero_extendv8qiv8hi2): Likewise.
1380         (sse4_1_zero_extendv4qiv4si2): Likewise.
1381         (*sse4_1_zero_extendv4qiv4si2): Likewise.
1382         (sse4_1_zero_extendv2qiv2di2): Likewise.
1383         (*sse4_1_zero_extendv2qiv2di2): Likewise.
1384         (sse4_1_zero_extendv4hiv4si2): Likewise.
1385         (*sse4_1_zero_extendv4hiv4si2): Likewise.
1386         (sse4_1_zero_extendv2hiv2di2): Likewise.
1387         (*sse4_1_zero_extendv2hiv2di2): Likewise.
1388         (sse4_1_zero_extendv2siv2di2): Likewise.
1389         (*sse4_1_zero_extendv2siv2di2): Likewise.
1390         (sse4_1_roundpd): Likewise.
1391         (sse4_1_roundps): Likewise.
1392         (sse4_1_roundsd): Likewise.
1393         (sse4_1_roundss): Likewise.
1394         (mulv4si3): Don't expand for SSE4.1.
1395         (smax<mode>3): Likewise.
1396         (umaxv4si3): Likewise.
1397         (uminv16qi3): Likewise.
1398         (umin<mode>3): Likewise.
1399         (umaxv8hi3): Rewrite.  Only enabled for SSE4.1.
1400
1401         * doc/extend.texi: Document SSE4.1 built-in functions.
1402
1403         * doc/invoke.texi: Document -msse4.1.
1404
1405 2007-05-22  Nathan Sidwell  <nathan@codesourcery.com>
1406
1407         * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
1408         * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
1409         * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
1410         (ASM_SPEC): Add asm_pcrel_spec.
1411         (EXTRA_SPECS): Add asm_pcrel_spec.
1412
1413 2007-05-21  David Daney  <ddaney@avtrex.com>
1414
1415         * doc/install.texi (Building a cross compiler): Add requirements
1416         for Java cross compiler.
1417
1418 2007-05-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1419
1420         PR middle-end/31995
1421         * tree-chrec.c (evolution_function_is_affine_multivariate_p):
1422         Add loopno argument.  Use evolution_function_is_invariant_rec_p
1423         instead of evolution_function_is_constant_p.
1424         Update calls to evolution_function_is_affine_multivariate_p.
1425         * tree-chrec.h (evolution_function_is_affine_multivariate_p):
1426         Add loopno argument.
1427         * tree-scalar-evolution.c (gather_chrec_stats): Call
1428         evolution_function_is_affine_multivariate_p with a loop
1429         number of 0.
1430         * tree-data-ref.c (analyze_miv_subscript): Likewise.
1431         (analyze_overlapping_iterations): Likewise.
1432         (access_functions_are_affine_or_constant_p): Likewise.
1433         (build_classic_dist_vector_1): If the access functions
1434         are equal, don't do anything.
1435
1436 2007-05-21  Paolo Bonzini  <bonzini@gnu.org>
1437             Paolo Carlini  <pcarlini@suse.de>
1438             Uros Bizjak  <ubizjak@gmail.com>
1439
1440         * c-cppbuiltin.c (c_cpp_builtins): Define
1441         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
1442         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
1443         __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
1444         * doc/cpp.texi ([Standard Predefined Macros]): Document.
1445
1446 2007-05-21  Mike Stump  <mrs@apple.com>
1447
1448         * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
1449         handling as well.
1450         * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
1451
1452 2007-05-21  Uros Bizjak  <ubizjak@gmail.com>
1453
1454         * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
1455         implementation if __OPTIMIZE__ is not defined.
1456         (_mm_alignr_pi8): Ditto.
1457         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
1458         (_mm_inserti_si64): Ditto.
1459         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
1460         (_mm_slli_epi16): Ditto.
1461         (_mm_slli_epi32): Ditto.
1462         (_mm_slli_epi64): Ditto.
1463         (_mm_srai_epi16): Ditto.
1464         (_mm_srai_epi32): Ditto.
1465         (_mm_srli_si128): Ditto.
1466         (_mm_slli_si128): Ditto.
1467         (_mm_srli_epi16): Ditto.
1468         (_mm_srli_epi32): Ditto.
1469         (_mm_srli_epi64): Ditto.
1470         (_mm_extract_epi16): Ditto.
1471         (_mm_insert_epi16): Ditto.
1472         (_mm_shufflehi_epi16): Ditto.
1473         (_mm_shufflelo_epi16): Ditto.
1474         (_mm_shuffle_epi32): Ditto.
1475         * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
1476         (_m_pextrw): Ditto.
1477         (_mm_insert_pi16): Ditto.
1478         (_m_pinsrw): Ditto.
1479         (_mm_shuffle_pi16): Ditto.
1480         (_m_pshufw): Ditto.
1481         (_mm_shufle_ps): Ditto.
1482         (_mm_prefetch): Ditto.
1483
1484 2007-05-21  Andreas Krebbel  <krebbel1@de.ibm.com>
1485
1486         * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
1487         * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
1488         * real.c (encode_i370_single, decode_i370_single,
1489         encode_i370_double, decode_i370_double): Functions removed.
1490         (i370_single_format, i370_double_format): Initializations removed.
1491         (real_maxval, round_for_format, exact_real_truncate, significand_size):
1492         Consider the log2_b field to always be one.
1493         (ieee_single_format, mips_single_format, coldfire_single_format,
1494         ieee_double_format, mips_double_format, coldfire_double_format,
1495         ieee_extended_motorola_format, ieee_extended_intel_96_format,
1496         ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
1497         ibm_extended_format, mips_extended_format, ieee_quad_format,
1498         mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
1499         decimal_single_format, decimal_double_format, decimal_quad_format,
1500         c4x_single_format, c4x_extended_format, real_internal_format): Remove
1501         initialization of log2_b.
1502         * real.h (i370_single_format, i370_double_format): Declarations removed.
1503         * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
1504         field to always be one.
1505
1506 2007-05-21  Andreas Schwab  <schwab@suse.de>
1507
1508         * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
1509         NOTE_INSN_BASIC_BLOCK_P.
1510         (process_for_unwind_directive): Likewise.
1511
1512 2007-05-21  Nathan Sidwell  <nathan@codesourcery.com>
1513
1514         * builtins.c (expand_builtin_setjmp_setup): Update comment.
1515         * function.h (struct function): Move va_list_gpr_size,
1516         va_list_fpr_size, function_frequency to front of bitfields.  Add
1517         calls_unwind_init.
1518         (current_function_calls_unwind_init): New.
1519         * except.c (expand_builtin_unwind_init): Set
1520         current_function_calls_unwind_init not
1521         current_function_has_nonlocal_label.
1522         * reload1.c (has_nonexceptional_receiver): New.
1523         (reload): Use it and current_function_calls_unwind_init to
1524         determine whether call-saved regs must be saved.
1525
1526 2007-05-20  Jan Hubicka  <jh@suse.cz>
1527
1528         * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
1529         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
1530         * ddg.c (create_ddg): LIkewise.
1531         * final.c (final): Remove hunk moving line numbernotes around since
1532         they are no longer present at this stage.
1533         (final_scan_insn): Use NOTE_KIND instead of
1534         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
1535         (output_asm_label): Likewise.
1536         * reorg.c (dbr_schedule): Likewise.
1537         * haifa-sched.c (unlink_other_notes): Likewise.
1538         * mode-switching.c (optimize_mode_switching): Likewise.
1539         * graph.c (start_bb): Likewise.
1540         * rtl.def (NOTE): Update description.
1541         * jump.c (squeeze_notes): Delete.
1542         (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
1543         NOTE_INSN_BASIC_BLOCK_P when possible.
1544         * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
1545         * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
1546         NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
1547         (dwarf2out_var_location): Likewise.
1548         * cfgbuild.c (make_edges): Likewise.
1549         (find_basic_blocks_1): Likewise.
1550         * function.c (reorder_blocks_1): Likewise.
1551         (epilogue_done): Likewise.
1552         (reposition_prologue_and_epilogue_notes): Likewise.
1553         * print-rtl.c (print_rtx): Likewise; drop code for printing line number
1554         notes.
1555         (print_rtl): Likewise.
1556         (print_rtl_single): Likewise.
1557         * gcse.c (insert_insn_start_bb): Likewise.
1558         * alias.c (init_alias_analysis): Likewise.
1559         * calls.c (fixup_tail_calls): Likewise.
1560         * except.c (sjlj_emit_function_enter): Likewise.
1561         * emit-rtl.c (add_insn_after): Likeiwse.
1562         (emit_label_before): Likewise.
1563         (emit_label_after): Likewise.
1564         (emit_note_before, emit_note_after, emit_note): Update
1565         parameter to be enum insn_note; do not deal with source
1566         files.
1567         * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
1568         Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
1569         when possible.
1570         (merge_blocks_move_successor_nojumps): Simplify now when
1571         we don't have BLOCK notes.
1572         (try_optimize_cfg): Likewise.
1573         * cfglayout.c (skip_insns_after_block): Likewise.
1574         (record_effective_endpoints): Likewise.
1575         (duplicate_insn_chain): Likewise.
1576         * varasm.c (output_constant_pool_1): Likewise.
1577         * sched-deps.c (sched_analyze): Likewise.
1578         * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
1579         Exterminate.
1580         (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
1581         * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
1582         (SET_INSN_DELETED): Simplify.
1583         (NOTE_LINE_NUMBER): Exterminate.
1584         (NOTE_LINE_KIND): New.
1585         (NOTE_INSN_BASIC_BLOCK_P): Update.
1586         (enum insn_note): Simplify.
1587         (GET_NOTE_INSN_NAME) Simplify.
1588         (emit_note_before, emit_note_after, emit_note): Update prototype.
1589         (squeeze_notes): Remove.
1590         * sched-int.h (NOTE_NOT_BB_P): Update.
1591         * resource.c (mark_target_live_regs): Update.
1592         * sched-rgn.c (debug_dependencies): Update.
1593         * sched-vis.c (print_insn): Update.
1594         * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
1595         * config/i386/i386.c (ix86_output_function_epilogue): Update.
1596         * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
1597         (TARGET_ADJUST_UNROLL_MAX): Likewise.
1598         (split_branches): Update.
1599         (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
1600         4.0.0.
1601         (sh_adjust_unroll_max): Exterminate.
1602         * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
1603         * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
1604         (m68hc11_reorg): Likewise.
1605         * config/ia64/ia64.c (emit_insn_group_barriers): Update.
1606         (emit_predicate_relation_info): Update.
1607         (process_for_unwind_directive): Update.
1608         * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
1609         (output_call): Update.
1610         * config/pa/pa.c (output_lbranch): Update.
1611         (output_millicode_call): Update.
1612         (output_call): Update.
1613         (pa_combine_instructions): Update.
1614         * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
1615         * config/bfin/bfin.c (gen_one_bundle): Update.
1616         * cfgrtl.c (can_delete_note_p): Update.
1617         (delete_insn): Update.
1618         (rtl_merge_blocks): Update.
1619         (commit_one_edge_insertion): Update.
1620         (rtl_verify_flow_info): Update.
1621         * stmt.c (expand_case): Do not call squeeze_notes.
1622
1623 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1624
1625         PR middle-end/7651
1626         PR c++/11856
1627         PR c/12963
1628         PR c/23587
1629         PR other/29694
1630         * c.opt (Wtype-limits): New.
1631         * doc/invoke.texi (Wtype-limits): Document it.
1632         (Wextra): Enabled by -Wextra.
1633         * c-opts.c (c_common_post_options): Enabled by -Wextra.
1634         * c-common.c (shorten_compare): Warn with Wtype-limits.
1635
1636 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
1637
1638         * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
1639         inlined function, not as a macro.
1640         (_mm_alignr_pi8): Ditto.
1641         * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
1642         (_mm_inserti_si64): Ditto.
1643         * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
1644         (_mm_extract_epi16): Ditto.
1645         (_mm_insert_epi16): Ditto.
1646         (_mm_shufflehi_epi16): Ditto.
1647         (_mm_shufflelo_epi16): Ditto.
1648         (_mm_shuffle_epi32): Ditto.
1649         * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
1650         * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
1651         all functions.
1652         (_m_from_float): Add __extension__ to conversion.  Use 0.0f for
1653         float constant.
1654         (_m_to_float): Use C89 compatible assignment.
1655
1656 2007-04-20  Martin Michlmayr  <tbm@cyrius.com>
1657
1658         PR target/32007
1659         * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
1660
1661 2007-05-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1662
1663         PR middle-end/7651
1664         * doc/invoke.texi (Wreturn-type): Complete description.
1665         (Wextra): Delete item about return-type warning.
1666         * c-decl.c: Delete redundant Wextra warning.
1667
1668 2007-05-20  Uros Bizjak  <ubizjak@gmail.com>
1669
1670         PR target/31585
1671         * config/i386/pmmintrin.h: Do not include xmmintrin.h
1672         * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
1673         inlined function, not as a macro.
1674         (_mm_prefetch): Ditto.
1675         (_m_pextrw): Ditto.
1676         (_mm_insert_pi16): Ditto.
1677         (_m_pinsrw): Ditto.
1678         (_mm_shuffle_pi16): Ditto.  Add const to __N argument.
1679         (_m_pshufw): Ditto. Add const to __N argument.
1680         (_mm_shufle_ps): Ditto.  Add const to __mask argument.
1681         * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
1682         (_mm_slli_epi32): Ditto.
1683         (_mm_srli_si128): Implement as always inlined function, not as a macro.
1684         Add __inline to function declaration.
1685         (_mm_slli_si128): Ditto.
1686
1687 2007-05-19  Uros Bizjak  <ubizjak@gmail.com>
1688
1689         * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
1690         FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
1691         New constants.
1692         (struct fenv): New structure.
1693         (FP_HANDLE_EXCEPTIONS): New define.
1694         (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
1695         (_FP_DECL_EXP): New define.
1696         (FP_INIT_ROUNDMODE): New define.
1697         (FP_ROUNDMODE): New define.
1698
1699 2007-05-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1700
1701         * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
1702         (Wconversion): Update description.
1703         (Wconversion-sign): New.
1704         * c.opt (Wconversion-sign): New.
1705         * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
1706         means disabled for C++. Otherwise, take the status of Wconversion.
1707         * c-common.c (conversion_warning): Warn with either Wconversion or
1708         Wconversion-sign.
1709         (warnings_for_convert_and_check): Conditions are already checked by
1710         conversion_warning.
1711         (convert_and_check): Don't check warnings if the conversion failed.
1712
1713 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
1714            Anatoly Sokolov <aesok@dol.ru>
1715
1716         * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
1717         avr_epilogue_uses) : Add declaration.
1718         * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
1719         * config/avr/constraints.md (R): New constraint.
1720         config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
1721         UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
1722         (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
1723         (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
1724         (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
1725         call_prologue_saves, epilogue_restores, return_from_epilogue,
1726         return_from_main_epilogue, return_from_interrupt_epilogue,
1727         return_from_naked_epilogue, prologue, epilogue): New patterns.
1728         (jump): Handle symbol reference.
1729         * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
1730         avr_output_function_prologue, avr_output_function_epilogue): Remove
1731         functions.
1732         (avr_init_machine_status, expand_prologue, expand_epilogue,
1733         avr_asm_function_end_prologue, avr_epilogue_uses,
1734         avr_asm_function_begin_epilogue): New functions.
1735         (prologue_size, epilogue_size, jump_tables_size): Remove global
1736         variables.
1737         (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
1738         (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
1739         (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
1740         (avr_override_options): Initialise init_machine_status.
1741         (output_movhi): Handle all stack pointer loads.
1742         (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
1743         (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
1744         * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
1745         (EPILOGUE_USES) Redefine.
1746         (machine_function) Declare.
1747
1748 2007-05-19  Richard Sandiford  <richard@codesourcery.com>
1749
1750         * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
1751         Use a single return statement.
1752
1753 2007-05-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1754
1755         PR middle-end/30250
1756         * builtins.c (do_mpfr_lgamma_r): New.
1757         (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
1758         * tree.h (CASE_FLT_FN_REENT): New.
1759
1760 2007-05-18  Geoffrey Keating  <geoffk@apple.com>
1761
1762         * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
1763         (output_die): Use 'unsigned long' with %x.
1764         * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
1765         HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
1766         * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
1767
1768         * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
1769
1770 2007-05-18  H.J. Lu  <hongjiu.lu@intel.com>
1771
1772         PR target/31989
1773         PR target/31681
1774         PR target/31666
1775         * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
1776         true if function has no argument.
1777
1778 2007-05-18  DJ Delorie  <dj@redhat.com>
1779
1780         * config/mips/mips.c (mips_offset_within_alignment_p): New.
1781         (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
1782
1783 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
1784
1785         * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
1786         sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
1787         count_trailing_zeros.
1788         (__i386__): Implement count_leading_zeros using __builtin_clz().
1789         Implement count_trailing_zeros usign __builtin_ctz().
1790
1791 2007-05-18  Richard Sandiford  <richard@codesourcery.com>
1792
1793         * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
1794
1795 2007-05-18  Uros Bizjak  <ubizjak@gmail.com>
1796
1797         PR middle-end/31344
1798         * expr.c (emit_move_change_mode): Change mode of push operands here.
1799
1800 2007-05-17  Ian Lance Taylor  <iant@google.com>
1801
1802         PR tree-optimization/31953
1803         * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
1804         Change all callers.
1805         (set_value_range_to_null): Call set_value_range_to_value.
1806         (extract_range_from_comparison): Likewise.
1807
1808 2007-05-17  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1809
1810         * toplev.c (print_version): Output GMP/MPFR version info.
1811
1812         * builtins.c (CASE_MATHFN_REENT): New macro.
1813         (mathfn_built_in): Use it.
1814         * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
1815         BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
1816         BUILT_IN_LGAMMAL_R): New.
1817         * doc/extend.texi: Document new builtins.
1818
1819         PR middle-end/31796
1820         * builtins.c (do_mpfr_remquo): New.
1821         (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
1822         (fold_builtin_3): Handle BUILT_IN_REMQUO.
1823
1824         PR middle-end/30251
1825         * builtins.c (fold_builtin_1): Handle y0, y1.
1826         (fold_builtin_2): Handle yn.
1827
1828         PR middle-end/30251
1829         * builtins.c (do_mpfr_bessel_n): New.
1830         (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
1831         (fold_builtin_2): Handle BUILT_IN_JN.
1832
1833 2007-05-17  Danny Smith  <dannysmith@users.sourceforge.net>
1834
1835         PR target/31965
1836         * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
1837         TYPE_PRECISION (intmax_type_node).
1838
1839 2007-05-17  Steve Ellcey  <sje@cup.hp.com>
1840
1841         PR target/31850
1842         * reload.c (subst_reloads): Remove checking.
1843
1844 2007-05-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
1845
1846         PR rtl-optimization/31691
1847         * combine.c (simplify_set): Build a new src pattern instead of
1848         substituting its operands in the COMPARE case.
1849
1850 2007-05-17  Zdenek Dvorak  <dvorakz@suse.cz>
1851
1852         * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
1853         (execute_vrp): Preserve loops through jump threading.
1854         * tree-ssa-threadupdate.c (thread_single_edge,
1855         dbds_continue_enumeration_p, determine_bb_domination_status,
1856         thread_through_loop_header): New functions.
1857         (create_edge_and_update_destination_phis,
1858         create_edge_and_update_destination_phis): Set loops for the new blocks.
1859         (prune_undesirable_thread_requests): Removed.
1860         (redirect_edges): Do not pretend that redirect_edge_and_branch can
1861         create new blocks.
1862         (thread_block): Do not call prune_undesirable_thread_requests.
1863         Update loops.
1864         (mark_threaded_blocks): Select edges to thread here.
1865         (thread_through_all_blocks): Take may_peel_loop_headers argument.
1866         Thread edges through loop headers independently.
1867         * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
1868         * tree-pass.h (TODO_mark_first_instance): New.
1869         (first_pass_instance): Declare.
1870         * cfghooks.c (duplicate_block): Put the block to the original loop
1871         if copy is not specified.
1872         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
1873         jump threading.  Pass may_peel_loop_headers to
1874         thread_through_all_blocks according to first_pass_instance.
1875         * cfgloop.h (create_preheader): Declare.
1876         * tree-flow.h (thread_through_all_blocks): Declaration changed.
1877         * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
1878         * passes.c (first_pass_instance): New variable.
1879         (next_pass_1): Set TODO_mark_first_instance.
1880         (execute_todo): Set first_pass_instance.
1881
1882 2007-05-17  Uros Bizjak  <ubizjak@gmail.com>
1883
1884         PR tree-optimization/24659
1885         * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
1886         OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
1887         OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
1888         OTI_vec_pack_ufix_trunc.
1889         (vec_unpacks_float_hi_optab): Define new macro.
1890         (vec_unpacks_float_lo_optab): Ditto.
1891         (vec_unpacku_float_hi_optab): Ditto.
1892         (vec_unpacku_float_lo_optab): Ditto.
1893         (vec_pack_sfix_trunc_optab): Ditto.
1894         (vec_pack_ufix_trunc_optab): Ditto.
1895         * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
1896         and vec_pack_[s|u]fix_trunc_optab using
1897         vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
1898         * tree-vectorizer.c (supportable_widening_operation): Handle
1899         FLOAT_EXPR and CONVERT_EXPR.  Update comment.
1900         (supportable_narrowing_operation): New function.
1901         * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
1902         * tree-vect-transform.c (vectorizable_conversion): Handle
1903         (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
1904         (vect_gen_widened_results_half): Move before vectorizable_conversion.
1905         (vectorizable_type_demotion): Call supportable_narrowing_operation()
1906         to check for target support.
1907         * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
1908         for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
1909         for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
1910         for VEC_PACK_FIX_TRUNC_EXPR.
1911         (expand_binop): Special case mode of the result for
1912         vec_pack_[u|s]fix_trunc_optab.
1913         (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
1914         vec_pack_[u|s]fix_trunc_optab.
1915
1916         * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
1917         VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
1918         * tree-pretty-print.c (dump_generic_node): Handle
1919         VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
1920         VEC_PACK_FIX_TRUNC_EXPR.
1921         (op_prio): Ditto.
1922         * expr.c (expand_expr_real_1): Ditto.
1923         * tree-inline.c (estimate_num_insns_1): Ditto.
1924         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
1925
1926         * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
1927         (vec_unpacks_float_lo_v8hi): Ditto.
1928         (vec_unpacku_float_hi_v8hi): Ditto.
1929         (vec_unpacku_float_lo_v8hi): Ditto.
1930         (vec_unpacks_float_hi_v4si): Ditto.
1931         (vec_unpacks_float_lo_v4si): Ditto.
1932         (vec_pack_sfix_trunc_v2df): Ditto.
1933
1934         * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
1935         Document.
1936         [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
1937         [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
1938         * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
1939         [vec_pack_ufix_trunc]: Ditto.
1940         [vec_unpacks_float_hi]: Ditto.
1941         [vec_unpacks_float_lo]: Ditto.
1942         [vec_unpacku_float_hi]: Ditto.
1943         [vec_unpacku_float_lo]: Ditto.
1944
1945 2007-05-16  Uros Bizjak  <ubizjak@gmail.com>
1946
1947         * soft-fp/README: Update for new files.
1948         * soft-fp/floattisf.c: New file.
1949         * soft-fp/floattidf.c: New file.
1950         * soft-fp/floattitf.c: New file.
1951         * soft-fp/floatuntisf.c: New file.
1952         * soft-fp/floatuntidf.c: New file.
1953         * soft-fp/floatuntitf.c: New file.
1954         * soft-fp/fixsfti.c: New file.
1955         * soft-fp/fixdfti.c: New file.
1956         * soft-fp/fixtfti.c: New file.
1957         * soft-fp/fixunssfti.c: New file.
1958         * soft-fp/fixunsdfti.c: New file.
1959         * soft-fp/fixunstfti.c: New file.
1960         * soft-fp/extendxftf.c: New file.
1961         * soft-fp/trunctfxf.c: New file.
1962
1963         * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
1964         (__trunctfxf2): Ditto.
1965
1966         * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
1967         __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
1968         __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
1969         __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
1970         __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
1971         __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
1972
1973         * config/i386/t-fprules-softfp64: New file.
1974         * config/i386/sfp-machine.h: New file.
1975         * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
1976         x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
1977         and soft-fp/t-softfp to tmake_file.
1978         (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
1979         i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
1980
1981         * config/i386/t-linux64 (softfp_wrap_start): New.
1982         (softfp_wrap_end): New.
1983         * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
1984         supported for TARGET_64BIT.
1985
1986 2007-05-16  Rafael Avila de Espindola  <espindola@google.com>
1987
1988         * c-common.c (c_common_signed_or_unsigned_type): Emulate
1989         c_common_unsigned_type behavior.
1990
1991 2007-05-16  Paolo Bonzini  <bonzini@gnu.org>
1992
1993         * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
1994         calls as pure.
1995
1996 2007-05-16  Eric Christopher  <echristo@apple.com>
1997
1998         * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
1999         saving after stack push. Set sp_offset whenever we push.
2000         (rs6000_emit_epilogue): Move altivec register restore before
2001         stack push.
2002
2003 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
2004
2005         * configure.ac: Allow sysroots to be relocated under $prefix as
2006         well as $exec_prefix.
2007         * configure: Regenerate.
2008
2009 2007-05-16  Richard Sandiford  <richard@codesourcery.com>
2010
2011         Revert:
2012
2013         2007-05-12  Richard Sandiford  <richard@codesourcery.com>
2014
2015         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
2016         (gcc_tooldir): Likewise.
2017         * configure: Regenerate.
2018         * Makefile.in (libsubdir_to_prefix): New variable, based on the
2019         old configure.ac gcc_tooldir setting.
2020         (prefix_to_exec_prefix): New variable.
2021         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
2022         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
2023
2024 2007-05-14  Janis Johnson  <janis187@us.ibm.com>
2025
2026         * c-typeck.c (build_binary_op): Return early for error.
2027
2028 2007-05-15  Zdenek Dvorak  <dvorakz@suse.cz>
2029
2030         * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
2031         struct nb_iter_bound.
2032         (free_numbers_of_iterations_estimates_loop): Use ggc_free.
2033         * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
2034         * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
2035         * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
2036         (struct scev_info_str, scalar_evolution_info): Add GTY markers.
2037         (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
2038         (del_scev_info): Use ggc_free.
2039         (scev_initialize): Allocate scalar_evolution_info in gc memory.
2040         * loop-init.c: Include ggc.h.
2041         (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
2042         (loop_optimizer_finalize): Use ggc_free.
2043         * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
2044         pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
2045         pass_iv_optimize): Add TODO_ggc_collect.
2046         * function.h (struct function): Remove skip marker from x_current_loops.
2047         * cfgloop.c: Include ggc.h.
2048         (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
2049         memory.
2050         (establish_preds): Vector superloops is gc allocated.
2051         (alloc_loop): Allocate loop using GGC_CNEW.  Allocate head of
2052         loop->exits list.
2053         (flow_loops_find): Vector larray is gc allocated.
2054         (loop_exit_free): Use ggc_free.
2055         (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit.  Reflect
2056         that head of exits list is now not a part of struct loop.
2057         (record_loop_exits): Allocate exits table in gc memory.
2058         (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect that
2059         head of exits list is now not a part of struct loop.
2060         * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
2061         struct loop_exit): Add GTY marker.
2062         (struct loop): Add GTY marker.  Make superloops vector gc allocated.
2063         Add skip marker to aux field.  Make head of exits list a separate
2064         object.
2065         (struct loops): Add GTY marker.  Make larray vector gc allocated.
2066         Add param marker to exits table.
2067         (get_loops): Type changed.
2068         * Makefile.in (tree-scalar-evolution.o): Add gt-tree-scalar-evolution.h
2069         dependency.
2070         (cfgloop.o, loop-init.o): Add ggc.h dependency.
2071         (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
2072         * basic-block.h (struct basic_block_def): Remove skip marker from
2073         loop_father field.
2074
2075 2007-05-14  Uros Bizjak  <ubizjak@gmail.com>
2076
2077         * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
2078         of 0 in the call to expand_expr().
2079         (expand_builtin_mathfn_3): Ditto.
2080         (expand_builtin_interclass_mathfn): Ditto.
2081         (expand_builtin_cexpi): Ditto.
2082         (expand_builtin_int_roundingfn): Ditto.
2083         (expand_builtin_int_roundingfn_2): Ditto.
2084         (expand_builtin_pow): Ditto.
2085         (expand_builtin_powi): Ditto.
2086         (expand_builtin_bswap): Ditto.
2087         (expand_builtin_unop): Ditto.
2088         (expand_builtin_fabs): Ditto.
2089         (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
2090         the call to expand_expr().
2091         (expand_builtin_sync_operation): Ditto.
2092         (expand_builtin_compare_and_swap): Ditto.
2093         (expand_builtin_lock_test_and_set): Ditto.
2094         * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
2095         instead of 0 in the call to expand_expr().
2096         (expand_builtin_extract_return_addr): Ditto.
2097         (expand_builtin_eh_return): Ditto.
2098         (expand_eh_return): Ditto.
2099         * explow.c (expr_size): Ditto.
2100         * expr.c (optimize_bitfield_assignment_op): Ditto.
2101         (expand_assignement): Ditto.
2102         (store_expr): Ditto.
2103         (store_field): Ditto.
2104         (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
2105         the call to expand_expr().
2106         (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
2107         in the call to expand_expr().
2108         [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
2109         BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
2110         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
2111         of expand_expr().
2112         * optabs.c (expand_vec_shift_expr): Ditto.
2113         (expand_vec_cond_expr): Ditto.
2114         (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
2115         call to expand_expr().
2116         * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
2117         in the call to expand_expr().
2118
2119 2007-05-14  Dave Korn  <dave.korn@artimi.com>
2120
2121         * genautomata.c (gen_regexp_el):  Allocate correct size for regexp.
2122
2123 2007-05-14  Rafael Avila de Espindola  <espindola@google.com>
2124
2125         * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
2126         instead of c_common_unsigned_type.
2127         (c_common_unsigned_type): Remove.
2128         (shorten_compare): Use c_common_signed_or_unsigned_type instead of
2129         c_common_unsigned_type.
2130         (c_common_nodes_and_builtins): Use unsigned_type_for instead of
2131         c_common_unsigned_type.
2132         * c-common.h (c_common_unsigned_type): Remove.
2133         * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
2134         c_common_unsigned_type.
2135         * c-format.c (check_format_types): Use unsigned_type_for instead of
2136         c_common_unsigned_type.
2137         * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
2138         * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead of
2139         c_common_unsigned_type.
2140         * convert.c (convert_to_integer): Use unsigned_type_for instead of
2141         lang_hooks.types.unsigned_type.
2142         * expmed.c (make_tree): Use unsigned_type_for instead of
2143         lang_hooks.types.unsigned_type.
2144         * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
2145         lang_hooks.types.unsigned_type.
2146         (build_range_check): Likewise.
2147         (fold_unary): Likewise.
2148         (fold_binary): Likewise.
2149         (fold_ternary): Likewise.
2150         * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
2151         * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
2152         * tree.c (get_unsigned_type): New.
2153         (unsigned_type_for): Use get_unsigned_type instead of
2154         lang_hooks.types.unsigned_type.
2155
2156 2007-05-14  Kazu Hirata  <kazu@codesourcery.com>
2157
2158         * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
2159         to m68k_get_function_kind.  Update its prototype.
2160         * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
2161         interrupt_thread.
2162         (m68k_interrupt_function_p): Return enum m68k_function_type
2163         instead of bool.  Rename to m68k_get_function_kind.
2164         (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
2165         target is not fido.
2166         (m68k_compute_frame_layout): Don't mark any register for save
2167         if an interrupt_thread attribute is specified.
2168         (m68k_hard_regno_rename_ok): Update a use of
2169         m68k_interrupt_function_p.
2170         * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
2171         m68k_interrupt_function_p.
2172         (m68k_function_type): New.
2173         * config/m68k/m68k.md (*return): Output a 'sleep' instruction
2174         for a function with an interrupt_thread attribute.
2175         * doc/extend.texi: Document the interrupt_thread attribute.
2176
2177 2007-05-13  Daniel Berlin  <dberlin@dberlin.org>
2178
2179         Fix PR tree-optimization/31911
2180         * tree-ssa-pre.c (phi_translate): Make sure to cache results even
2181         if they didn't change the expression.
2182
2183 2007-05-13  Zdenek Dvorak  <dvorakz@suse.cz>
2184
2185         * tree-scalar-evolution.c (resolve_mixers): Exported.
2186         * tree-scalar-evolution.h (resolve_mixers): Declare.
2187         * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
2188         ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
2189         record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
2190         base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
2191         init_array_ref, init_pointer_ref, analyze_indirect_ref,
2192         strip_conversion, analyze_offset_expr, address_analysis,
2193         object_analysis, analyze_offset): Removed.
2194         (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
2195         split_constant_offset, canonicalize_base_object_address,
2196         object_address_invariant_in_loop_p, disjoint_objects_p,
2197         dr_may_alias_p, dr_address_invariant_p): New functions.
2198         (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
2199         and dr_analyze_alias.
2200         (initialize_data_dependence_relation): Use dr_may_alias_p
2201         and object_address_invariant_in_loop_p.
2202         (compute_self_dependence): Handle the case when DDR_ARE_DEPENDENT (ddr)
2203         is chrec_dont_know.
2204         (find_data_references_in_stmt): Restrict the analysis of data references
2205         to the given loop nest.
2206         (find_data_references_in_loop): Made static.  Pass loop nest to
2207         find_data_references_in_stmt.
2208         (compute_data_dependences_for_loop): Use DR_VOPS.
2209         (free_data_ref): Free DR_VOPS.
2210         * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
2211         (struct innermost_loop_behavior): ... new.
2212         (struct base_object_info): Replaced by ...
2213         (struct indices): ... new.
2214         (struct dr_alias): New.
2215         (enum data_ref_type): Removed.
2216         (struct data_reference): Consist of struct innermost_loop_behavior,
2217         struct indices and struct dr_alias.
2218         (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
2219         (DR_MEMTAG): Renamed to ...
2220         (DR_SYMBOL_TAG): ... this.
2221         (find_data_references_in_loop): Declaration removed.
2222         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
2223         instead of DR_OFFSET_MISALIGNMENT.  DR_ALIGNED_TO is never NULL.
2224         (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
2225         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2226
2227 2007-05-13  Revital Eres  <eres@il.ibm.com>
2228
2229         * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
2230         which walks virtual def-use chains to find redundant stores.
2231         (dse_optimize_stmt): Call it.
2232
2233 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
2234
2235         * gcse.c (gcse_main): Do jump bypassing in CPROP2.
2236         * passes.c (init_optimization_passes): Move pass_jump_bypass
2237         after loop2.
2238
2239         * basic-block.h (bb_has_eh_pred): Fix style issue.
2240
2241 2007-05-12  Steven Bosscher  <steven@gcc.gnu.org>
2242
2243         PR rtl-optimization/31848
2244         * loop-invariant.c (move_invariant_reg): If we move an insn
2245         with a REG_EQUAL note, and that insn is not always executed,
2246         remove the REG_EQUAL note.
2247
2248 2007-05-12  Richard Guenther  <rguenther@suse.de>
2249
2250         PR tree-optimization/31797
2251         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
2252         propagate into a stmt that has volatile ops.
2253
2254 2007-05-12  Richard Sandiford  <richard@codesourcery.com>
2255
2256         * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
2257         (gcc_tooldir): Likewise.
2258         * configure: Regenerate.
2259         * Makefile.in (libsubdir_to_prefix): New variable, based on the
2260         old configure.ac gcc_tooldir setting.
2261         (prefix_to_exec_prefix): New variable.
2262         (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
2263         rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
2264
2265 2007-05-11  Silvius Rus  <rus@google.com>
2266
2267         * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
2268         * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
2269         * c-common.h (strict_aliasing_warning): Change return type.
2270         * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
2271         * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
2272         (build_c_cast): Condition call to strict_aliasing_warning.
2273         * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
2274         * flags.h (set_Wstrict_aliasing): Declare.
2275         * opts.c (set_Wstrict_alising): Define, add call to.
2276         * tree-flow.h (strict_aliasing_warning_backend): Declare.
2277         * tree-ssa-alias-warnings.c: New file.
2278         * tree-ssa-alias.c (compute_may_aliases): Add call to
2279         strict_aliasing_warning_backend.
2280
2281 2007-05-11  Zdenek Dvorak  <dvorakz@suse.cz>
2282
2283         * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
2284         Use loop_depth and loop_outer accessor functions.
2285         * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
2286         determine_invariantness_stmt, move_computations_stmt): Ditto.
2287         * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
2288         add_loop, loopify, unloop, fix_loop_structure): Ditto.
2289         * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
2290         * tree-scalar-evolution.c (interpret_loop_phi,
2291         compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
2292         instantiate_parameters_1, scev_const_prop): Ditto.
2293         * cfghooks.c (make_forwarder_block): Ditto.
2294         * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
2295         * modulo-sched.c (loop_canon_p): Ditto.
2296         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
2297         slpeel_can_duplicate_loop_p): Ditto.
2298         * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
2299         * tree-cfg.c (tree_duplicate_sese_region): Ditto.
2300         * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
2301         cancel_loop, verify_loop_structure): Ditto.
2302         (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
2303         add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
2304         superloops vector instead of "pred" array.
2305         (establish_preds): Take father loop as an argument.  Initialize the
2306         superloops vector.
2307         (flow_loop_tree_node_add): Pass father loop to establish_preds.  Do not
2308         initialize loop->outer.
2309         (flow_loop_tree_node_remove): Truncate the superloops vector.
2310         * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
2311         "pred" merged to "superloops" vector.
2312         (loop_depth, loop_outer): New.
2313         (fel_init): Use loop_outer.
2314
2315 2007-05-11  Jan Hubicka  <jh@suse.cz>
2316
2317         * cgraphunit.c: Include gt-cgraphunit.h
2318         (static_ctors, static_dtors): New static vars.
2319         (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
2320         based on implementation in c-common.c
2321         (cgraph_finalize_function): Call record_cdtor_fn.
2322         (cgraph_optimize): Call cgraph_build_cdtor_fns.
2323         * decl.c (finish_function): Do not call c_record_cdtor_fn.
2324         (c_write_global_declarations): Do not call c_build_cdtor_fns.
2325         * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
2326         build_cdtor, c_build_cdtor_fns): Remove.
2327         * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
2328         c_build_cdtor_fns): Remove prototype.
2329
2330 2007-05-11  Paolo Carlini  <pcarlini@suse.de>
2331
2332         PR other/31852
2333         * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
2334         * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
2335         * builtins.c (fold_builtin_memchr): New.
2336         (expand_builtin_memchr): Call the latter.
2337         (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
2338         * doc/extend.texi ([Other built-in functions provided by GCC]):
2339         Document memchr.
2340
2341 2007-05-11  Andreas Krebbel  <krebbel1@de.ibm.com>
2342
2343         * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
2344         PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
2345         PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
2346         PFPO_OP1_TYPE_SHIFT): Constants added.
2347         (DFP_ALL): Mode macro defined.
2348         ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
2349         "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
2350         Insn definitions added.
2351         ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
2352         "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
2353         Expanders added.
2354
2355 2007-05-10  Zdenek Dvorak  <dvorakz@suse.cz>
2356
2357         PR tree-optimization/31885
2358         * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
2359         to be undetermined.
2360         (automatically_generated_chrec_p): Return false for NULL.
2361
2362 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2363
2364         * config/bfin/bfin.h (MOVE_RATIO): Define.
2365
2366 2007-05-10  Richard Sandiford  <richard@codesourcery.com>
2367
2368         * config.gcc (sparc-wrs-vxworks): New target.
2369         * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
2370         * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
2371         * config/sparc/sparc.h: Include vxworks-dummy.h.
2372         (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
2373         include LABEL_REFs too.
2374         * config/sparc/sparc.c (sparc_expand_move): Don't assume that
2375         _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
2376         VxWorks.
2377         (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
2378         on VxWorks.
2379         (load_pic_register): Use gen_vxworks_load_got for VxWorks.
2380         (sparc_emit_call_insn): New function.
2381         (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
2382         functions when generating VxWorks PIC.
2383         * config/sparc/sparc.md (vxworks_load_got): New pattern.
2384         (call, call_value): Use sparc_emit_call_insn instead of
2385         emit_call_insn.
2386
2387 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
2388
2389         * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
2390
2391 2007-05-09  Bob Wilson  <bob.wilson@acm.org>
2392
2393         * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
2394         for floating-point values if HOST_BITS_PER_LONG > 32.  Use split_double
2395         instead of operand_subword.
2396
2397 2007-05-08  Bernd Schmidt  <bernd.schmidt@analog.com>
2398
2399         * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
2400         * config/bfin/bfin.c (bfin_local_alignment): New function.
2401         * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
2402
2403 2007-05-08  Chao-ying Fu  <fu@mips.com>
2404
2405         * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
2406         * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
2407         (smsub_widen_optab, umsub_widen_optab): Define.
2408         * optabs.c (init_optabs): Initialize smsub_widen_optab and
2409         umsub_widen_optab.
2410         * genopinit.c (optabs): Fill in smsub_widen_optab and
2411         umsub_widen_optab.
2412         * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
2413         and umsub_widen_optab to implement multiply-subtract sequences.
2414         * config/mips/mips.md (*msac<u>_di): Rename to...
2415         (<u>msubsidi4): ...this.  Extend condition to include
2416         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
2417         of operand 0 to "ka" and use the three-operand form of msub<u>
2418         for TARGET_DSPR2.
2419         * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
2420         to define_expands.
2421
2422 2007-05-08  Kaz Kojima  <kkojima@gcc.gnu.org>
2423
2424         PR rtl-optimization/28011
2425         * reload.c (push_reload): Set dont_share if IN appears in OUT
2426         also when IN is a PLUS rtx.
2427         (reg_overlap_mentioned_for_reload_p): Return true if X and IN
2428         are same PLUS rtx.
2429
2430 2007-05-08  Kazu Hirata  <kazu@codesourcery.com>
2431
2432         * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL.  Don't
2433         call unshare_all_decls.
2434         (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
2435         (unshare_all_decls): Remove.
2436
2437 2007-05-08  Simon Martin  <simartin@users.sourceforge.net>
2438
2439         PR 31847
2440         * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
2441         dumps.
2442
2443 2007-05-08  Sandra Loosemore  <sandra@codesourcery.com>
2444             Nigel Stephens  <nigel@mips.com>
2445
2446         * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
2447         Update comments and all uses.
2448         (MIN_FPRS_PER_FMT): Define.
2449         * config/mips/mips.c (function_arg): Fix to correctly handle
2450         the -mips32r2 -mfp64 -mabi=32 case.
2451         (override_options): Enable use of odd-numbered registers for
2452         SFmode values on MIPS32.
2453         (mips_save_reg_p): Save whole floating-point register pair if
2454         either half is used.
2455         (compute_frame_size): Fix comment.
2456
2457 2007-05-08  Jie Zhang  <jie.zhang@analog.com>
2458
2459         * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
2460         argument of type bool.
2461         * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
2462         argument. Safely select temporary P register according to it.
2463         (do_link): Change call site of add_to_reg accordingly.
2464         (do_unlink): Add epilogue_p as a fourth argument and pass it
2465         to add_to_reg.
2466         (expand_interrupt_handler_epilogue): Change call of do_unlink
2467         accordingly.
2468         (bfin_expand_prologue): Add a third argument sibcall_p.
2469         * config/bfin/bfin.md (epilogue): Change call of
2470         bfin_expand_epilogue accordingly.
2471         (sibcall_epilogue): Likewise.
2472         (eh_return_internal): Likewise.
2473
2474         * config/bfin/bfin-protos.h (enum bfin_cpu): Add
2475         BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
2476         * config/bfin/bfin.c (bfin_handle_option): Handle
2477         -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
2478         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
2479         Support bf534, bf536 and bf561.
2480         * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
2481
2482 2007-05-08  Uros Bizjak  <ubizjak@gmail.com>
2483
2484         PR target/31854
2485         * config/i386/i386.c (ix86_function_regparm): Process local
2486         functions only when TREE_CODE (decl) equals FUNCTION_DECL.
2487
2488 2007-05-07  Mike Stump  <mrs@apple.com>
2489
2490         * doc/invoke.texi (Warning Options): Document that -Wempty-body
2491         also checks for and while statements in C++.
2492
2493 2007-05-07  Nathan Froyd  <froydnj@codesourcery.com>
2494
2495         * gcc.c (at_file_supplied): New variable.
2496         (main): Set it if we expanded argv.
2497         (do_spec_1): Pass an @-file to the linker if we were called with
2498         an @-file argument and HAVE_GNU_LD.
2499         * collect2.c (at_file_supplied): New variable.
2500         (response_file): New variable.
2501         (collect_exit): Unlink response_file if necessary.
2502         (handler): Likewise.
2503         (do_wait): Likewise.
2504         (main): Set at_file_supplied if we expanded argv.
2505         (collect_execute): Pass an @-file to subprocesses if we were called
2506         with an @-file argument.
2507         * configure.ac: Add define for HAVE_GNU_LD.
2508         * configure: Regenerate.
2509         * config.in: Regenerate.
2510
2511 2007-05-07  Naveen.H.S  <naveen.hs@kpitcummins.com>
2512
2513         * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
2514         operand to HI mode.
2515         (mulsi3): New.
2516         (divsi3): New.
2517         (udivsi3): New.
2518
2519 2007-05-07  Jayant Sonar  <jayants@kpitcummins.com>
2520
2521         * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
2522         (TARGET_ENCODE_SECTION_INFO): Re-define.
2523         (m32c_encode_section_info): New
2524         (function_vector_handler): New
2525         (current_function_special_page_vector): New
2526         (m32c_special_page_vector_p): New.
2527         * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
2528         Prototype.
2529         * config/m32c/jump.md: Added instruction JSRS for functions
2530         with attribute "function_vector".
2531         * doc/extend.texi (function_vector): Added description
2532         for M16C, M32C targets.
2533
2534 2007-05-07  DJ Delorie  <dj@redhat.com>
2535
2536         PR 31794
2537         * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
2538         ashrpsi3, lshrpsi3): Update shift count constraint.
2539
2540 2007-05-07  Danny Smith  <dannysmith@users.sourceforge.net>
2541             Nathan Froyd  <froydnj@codesourcery.com>
2542
2543         PR 22133
2544         * c-incpath.c (add_path): Strip trailing path separators.
2545
2546 2007-05-07  Eric Botcazou  <ebotcazou@adacore.com>
2547
2548         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
2549         Free dominance info before purging EH edges.
2550         (eliminate_degenerate_phis): Likewise.
2551         (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
2552
2553 2007-05-07  Jan Hubicka  <jh@suse.cz>
2554
2555         * gimplify.c (gimplify_expr): Do not crash when folding
2556         (void *)(int)&a + 4.
2557
2558 2007-05-07  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
2559
2560         PR driver/31694
2561         * c-opts.c (lang_fortran): Make it non static.
2562         * c-common.h (lang_fortran): New prototype.
2563         * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
2564         -lang-fortran option was passed by the driver.
2565
2566 2007-05-06  Eric Botcazou  <ebotcazou@adacore.com>
2567
2568         * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
2569         of ASSERT_CHECKING.  Tweak message.
2570
2571 2007-05-06  Revital Eres  <eres@il.ibm.com>
2572
2573         PR 30957
2574         * loop-unroll.c (insert_var_expansion_initialization):
2575         Initialize the expansions with -zero instead of +zero.
2576
2577 2007-05-05  Aurelien Jarno  <aurelien@aurel32.net>
2578
2579         * config/pa/pa.md: Split tgd_load, tld_load and tie_load
2580         into pic and non-pic versions. Mark r19 as used for
2581         tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
2582         for tgd_load, tld_load and tie_load .
2583         * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
2584         version of tgd_load, tld_load and tie_load depending on the
2585         value of flag_pic.
2586
2587 2007-05-04  Ulrich Drepper  <drepper@redhat.com>
2588             Jakub Jelinek  <jakub@redhat.com>
2589
2590         * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
2591         (__do_global_dtors_aux): Use more paranoid loop to run
2592         destructors if HIDDEN_DTOR_LIST_END.
2593         (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
2594
2595 2007-05-04  Jakub Jelinek  <jakub@redhat.com>
2596
2597         * varasm.c (align_variable): Don't increase alignment for
2598         DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
2599         DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
2600
2601 2007-05-04  Josh Conner  <jconner@apple.com>
2602
2603         * basic-block.h (cdi_direction): Assign values to all enumeration
2604         constants.
2605         (dom_computed): Remove.
2606         (dom_info_state): New.
2607         (set_dom_info_availability): New.
2608         * tree-ssa-loop-im.c (determine_invariantness): Initialize
2609         walk_data.dom_direction.
2610         * cfghooks.c (delete_basic_block): Use dom_info_available_p()
2611         instead of dom_computed[].
2612         (split_edge): Likewise.
2613         (create_basic_block): Likewise.
2614         (merge_blocks): Likewise.
2615         * ifcvt.c (find_if_header): Likewise.
2616         * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
2617         * tree-ssa-dce.c (remove_dead_stmt): Likewise.
2618         * tree-ssa.c (verify_ssa): Likewise.
2619         * tree-cfg.c (tree_verify_flow_info): Likewise.
2620         (remove_edge_and_dominated_blocks): Likewise.
2621         * dominance.c (dom_computed): Make static.
2622         (calc_dfs_tree_nonrec): Change third param to a bool.
2623         (calc_dfs_tree): Change second param to a bool.
2624         (calc_idioms): Change second param to a bool.  Use
2625         dom_convert_dir_to_idx.
2626         (init_dom_info): Validate dir before using.
2627         (dom_convert_dir_to_idx): New.
2628         (calculate_dominance_info): Use dom_convert_dir_to_idx.  New
2629         variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
2630         (free_dominance_info): Use dom_convert_dir_to_idx.
2631         (get_immediate_dominator): Likewise.
2632         (set_immediate_dominator): Likewise.
2633         (get_dominated_by): Likewise.
2634         (redirect_immediate_dominators): Likewise.
2635         (nearest_common_denominator): Likewise.
2636         (dominated_by_p): Likewise.
2637         (bb_dom_dfs_in): Likewise.
2638         (bb_dom_dfs_out): Likewise.
2639         (recount_dominator): Likewise.
2640         (iterate_fix_dominators): Likewise.
2641         (add_to_dominance_info): Likewise.
2642         (delete_from_dominance_info): Likewise.
2643         (first_dom_son): Likewise.
2644         (next_dom_son): Likewise.
2645         (dom_info_available_p): Likewise.
2646         (dom_info_state): New.
2647         (set_dom_info_availability): New.
2648
2649 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2650
2651         * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
2652         Expander removed.
2653         ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
2654
2655 2007-05-04  Bob Wilson  <bob.wilson@acm.org>
2656
2657         * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
2658         (subdi3, subdi_carry): Delete.
2659
2660 2007-05-04  Jan Hubicka  <jh@suse.cz>
2661             Richard Guenther  <rguenther@suse.de>
2662
2663         * opts.c (decode_options): Do not fiddle with inlining
2664         parameters in case of optimizing for size.
2665         * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
2666         for size do nothing.
2667         (cgraph_decide_inlining_of_small_function): When optimizing for
2668         size never inline functions increasing caller size.
2669         (cgraph_early_inlining): Inline for size when optimizing for size.
2670
2671 2007-04-18  Bernd Schmidt  <bernd.schmidt@analog.com>
2672
2673         * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
2674         logical operations piecewise.
2675         (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
2676         zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
2677         subdi_sesidi_di): Delete.
2678         (add_with_carry): Produce carry in CC instead of a DREG to shorten
2679         the generated sequence.  Allow three-reg add in constraints.  Rewrite
2680         the rtl expression for carry to avoid zero_extend of a constant.
2681         (sub_with_carry): New pattern.
2682         (adddi3, subdi3): Change into define_expand.  For subtract, generate a
2683         different sequence not involving jumps.
2684         (notbi): Now a named pattern.
2685
2686 2007-05-04  Bradley Lucier  <lucier@math.purdue.edu>
2687
2688         * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
2689         Add the note about a significant loss of accuracy of some
2690         mathematical routines when these options are used.
2691
2692 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2693
2694         * haifa-sched.c (rtx_vec_t): New typedef.
2695         (contributes_to_priority_p): Extract piece of priority () into new
2696         static function.
2697         (priority): Use the function.  Add assertion.
2698         (rank_for_schedule, set_priorities): Add assertion to check that
2699         insn's priority is initialized.
2700         (clear_priorities, calc_priorities): Change signature.  Make it update
2701         all relevant insns.  Update all callers ('add_to_speculative_block ()'
2702         and 'create_block_check_twin ()').
2703         * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
2704         Add new field 'priority_status'.
2705         (INSN_PRIORITY_STATUS): New macro.
2706         (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
2707
2708 2007-05-04  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2709
2710         * sched-ebb.c (debug_ebb_dependencies): New static function.
2711         (init_ready_list): Use it.
2712
2713         * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
2714         with changed signature and 'debug_rgn_dependencies ()'.
2715         (debug_rgn_dependencies): New static function.
2716         (init_ready_list): Use it.
2717
2718         * sched-int.h (debug_dependencies): Declare.
2719
2720 2007-05-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2721
2722         * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
2723
2724 2007-05-04  Dirk Mueller  <dmueller@suse.de>
2725
2726         * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
2727
2728 2007-05-03  Jan Hubicka  <jh@suse.cz>
2729
2730         * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
2731         for pointer type in more cases than before.
2732
2733         * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
2734
2735         * tree-object-size.c (plus_expr_object_size): When operand size is
2736         unknown, return unknown.
2737
2738 2007-05-03  Dirk Mueller  <dmueller@suse.de>
2739
2740         * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
2741
2742         * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
2743         options.
2744
2745         * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
2746
2747 2007-05-03  Janis Johnson  <janis187@us.ibm.com>
2748
2749         * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
2750
2751 2007-05-03  Joseph Myers  <joseph@codesourcery.com>
2752
2753         * config/soft-fp/double.h, config/soft-fp/extended.h,
2754         config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
2755         config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
2756         config/soft-fp/op-2.h, config/soft-fp/op-4.h,
2757         config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
2758         glibc CVS.
2759
2760 2007-05-03  Ian Lance Taylor  <iant@google.com>
2761
2762         * config/rs6000/rs6000.c (rs6000_override_options): Don't set
2763         MASK_PPC_GFXOPT for 8540 or 8548.
2764
2765 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
2766
2767         * tree-vect-transform.c (vect_update_inits_of_drs): Use
2768         vect_print_dump_info() to output debug information.
2769
2770 2007-05-03  Uros Bizjak  <ubizjak@gmail.com>
2771
2772         PR target/31768
2773         * config/i386/i386.c (print_operand) ['z']: Output 'w' for
2774         operands of size 2 when operand is not MEM_P.
2775
2776 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
2777
2778         PR tree-optimization/30565
2779         * lambda-code.c (perfect_nestify): Fix updating of dominators.
2780
2781 2007-05-03  Bernd Schmidt  <bernd.schmidt@analog.com>
2782
2783         * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
2784         (umulsi3_highpart): Use them.
2785         * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
2786         for final accumulator to D regisster tranfser.
2787
2788 2007-05-03  Dorit Nuzman  <dorit@il.ibm.com>
2789
2790         PR tree-optimization/31699
2791         * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
2792         code.
2793         (vect_enhance_data_refs_alignment): Compute peel amount using
2794         TYPE_VECTOR_SUBPARTS instead of vf.
2795         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
2796
2797 2007-05-02  Brooks Moses  <brooks.moses@codesourcery.com>
2798
2799         PR bootstrap/31776
2800         * system.h: Remove inclusion of double-int.h
2801         * tree.h: Include double-int.h
2802         * gengtype.c: Likewise
2803         * cfgloop.h: Likewise
2804         * Makefile.in: Adjust dependencies on double-int.h
2805
2806 2007-05-02  Eric Christopher  <echristo@apple.com>
2807
2808         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
2809         -shared to -Zdynamiclib.
2810
2811 2007-05-02  Seongbae Park  <seongbae.park@gmail.com>
2812
2813         PR c++/31663
2814         * c-common.c (strip_pointer_or_array_types): New function.
2815         * c-common.h (strip_pointer_or_array_types): New function declaration.
2816
2817 2007-05-03  Zdenek Dvorak  <dvorakz@suse.cz>
2818
2819         PR tree-optimization/31771
2820         * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
2821
2822 2007-05-02  Paul Brook  <paul@codesourcery.com>
2823
2824         * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
2825
2826 2007-05-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2827
2828         PR middle-end/29715
2829         * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
2830         transformation.
2831
2832 2007-05-02  Nick Clifton  <nickc@redhat.com>
2833
2834         * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
2835
2836 2007-05-02  Richard Guenther  <rguenther@suse.de>
2837
2838         PR tree-optimization/31146
2839         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2840         argument, single_use_p.  If we have a single use that is
2841         a conversion to the definition rhs type, propagate that rhs.
2842         (forward_propagate_addr_expr): Pass single_use_p argument
2843         to forward_propagate_addr_expr_1.
2844
2845 2007-05-01  H.J. Lu  <hongjiu.lu@intel.com>
2846
2847         * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
2848         variable.
2849
2850 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2851
2852         * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
2853         'AMD Family 10 core'.
2854
2855 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2856
2857         * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
2858         and athlon64-sse3 as improved versions of k8, opteron and athlon64
2859         with SSE3 instruction set support.
2860         * doc/invoke.texi: Likewise.
2861
2862 2007-05-01  Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2863
2864         * config/i386/i386.c (override_options): Tuning 32-byte loop
2865         alignment for amdfam10 architecture. Increasing the max loop
2866         alignment to 24 bytes.
2867
2868 2007-05-01  Kazu Hirata  <kazu@codesourcery.com>
2869
2870         * config/m68k/constraints.md: New.
2871         * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
2872         CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
2873         EXTRA_CONSTRAINT): Remove.
2874         * config/m68k/m68k.md: Include constraints.md.
2875         * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
2876
2877 2007-05-01  Ian Lance Taylor  <iant@google.com>
2878
2879         PR tree-optimization/31739
2880         * tree-vrp.c (vrp_val_is_max): New static function.
2881         (vrp_val_is_min): New static function.
2882         (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
2883         copying the node.
2884         (set_value_range): Use vrp_val_is_{max,min}.
2885         (extract_range_from_assert): Likewise.
2886         (extract_range_from_binary_expr): Likewise.
2887         (extract_range_from_unary_expr): Likewise.
2888         (dump_value_range, vrp_meet): Likewise.
2889         (vrp_visit_phi_node): Likewise.
2890         * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
2891
2892 2007-05-01  Mark Mitchell  <mark@codesourcery.com>
2893
2894         * config/i386/gmon-sol2.c (size_t): New type.
2895         (intptr_t): Likewise.
2896         (s_textsize): Declare as size_t.
2897         (sbrk): Declare.
2898         (monstartup): Use size_t for sizes.
2899         (_mcount): Save and restore registers.
2900         (internal_mcount): Pass 0 as the first argument to monstartup
2901         in 64-bit mode.
2902         (moncontrol): Convert pointer to appropriately sized integer
2903         before passing to profil.
2904
2905 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
2906
2907         * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
2908         __NO_FPRS__, not just if _SOFT_DOUBLE.
2909         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
2910         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
2911         also for E500 double.
2912         * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
2913         suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
2914         && !TARGET_FPRS).
2915
2916 2007-05-01  Richard Guenther  <rguenther@suse.de>
2917
2918         * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
2919         is NULL.
2920
2921 2007-05-01  Joseph Myers  <joseph@codesourcery.com>
2922
2923         * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
2924
2925 2007-05-01  Jan Hubicka  <jh@suse.cz>
2926
2927         * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
2928         invariant.
2929
2930 2007-05-01  Jan Hubicka  <jh@suse.cz>
2931
2932         * tree.h (maybe_fold_offset_to_component_ref): Remove.
2933         (maybe_fold_offset_to_reference): Declare.
2934         * fold-const.c (fold_unary): Do not fold
2935         (type *)&A into &A->field_of_type_and_offset_0
2936         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
2937         size is unknown, give up.
2938         (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
2939         offsets.
2940         (maybe_fold_offset_to_reference): New.
2941         (maybe_fold_stmt_indirect): Use it.
2942         (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
2943         * gimplify.c (gimplify_conversion): Canonicalize conversions to
2944         field references.
2945         (gimplify_expr): Likewise for plus_expr.
2946
2947 2007-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
2948
2949         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
2950         bsi_after_labels.  Always insert statements before bsi.
2951         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
2952         * predict.c (apply_return_prediction): Check for empty blocks.
2953         * cfgexpand.c (lab_rtx_for_bb): New variable.
2954         (label_rtx_for_bb): Do not create new tree labels.
2955         (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
2956         (tree_expand_cfg): Initialize lab_rtx_for_bb.
2957         * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
2958         creating edges.
2959         (label_for_bb): Add field used.
2960         (update_eh_label, main_block_label): Mark the label used.
2961         (cleanup_dead_labels): Remove unused labels.
2962
2963 2007-05-01  Richard Guenther  <rguenther@suse.de>
2964
2965         * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
2966         if it is not about to be set.
2967         (get_value_range): Do not pre-allocate equiv bitmap.
2968         (update_value_range): No need to clear equiv field.
2969         (add_equivalence): Change prototype to get bitmap pointer.
2970         Allocate bitmap here if it is not already.
2971         (extract_range_from_assert): Do not allocate bitmap here.
2972         Update callers to add_equivalence.
2973         (extract_range_from_ssa_name): Likewise.
2974         (get_vr_for_comparison): New static helper.
2975         (compare_name_with_value): Handle NULL equiv bitmap by
2976         peeling the first iteration of the comparison loop.
2977         Use get_vr_for_comparison.
2978         (compare_names): Handle NULL equiv bitmaps by using fake
2979         ones.  Use get_vr_for_comparison.
2980
2981 2007-04-30  Brooks Moses  <brooks.moses@codesourcery.com>
2982
2983         * double-int.c (mpz_set_double_int): Moved from
2984         tree-ssa-loop-niter.c.
2985         (mpz_get_double_int): Likewise; also, add option to wrap
2986         out-of-range integers.
2987         * double-int.h: New prototypes for above.
2988         * tree.c (get_static_type_bounds): Moved from
2989         tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
2990         TYPE_MAX_VALUE if they exist..
2991         * tree.h: New prototype for above.
2992         * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
2993         get_type_bounds calls.
2994         (mpz_set_double_int): Move to double-int.c.
2995         (get_type_bounds): Move to tree.c, rename to
2996         get_static_type_bounds.
2997         (mpz_to_double_int): Move to double-int.c, rename to
2998         mpz_get_double_int.
2999
3000 2007-04-30  Bob Wilson  <bob.wilson@acm.org>
3001
3002         * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
3003         DIV0 exception can fall through to a normal return.
3004
3005 2007-04-30  Alexandre Oliva  <aoliva@redhat.com>
3006
3007         PR middle-end/22156
3008         Temporarily revert:
3009         2007-04-06  Andreas Tobler  <a.tobler@schweiz.org>
3010         * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
3011         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
3012         * tree-sra.c (try_instantiate_multiple_fields): Needlessly
3013         initialize align to silence bogus warning.
3014         2007-04-05  Alexandre Oliva  <aoliva@redhat.com>
3015         * tree-sra.c (struct sra_elt): Add in_bitfld_block.  Remove
3016         all_no_warning.
3017         (struct sra_walk_fns): Remove use_all parameter from use.
3018         (sra_hash_tree): Handle BIT_FIELD_REFs.
3019         (sra_elt_hash): Don't hash bitfld blocks.
3020         (sra_elt_eq): Skip them in parent compares as well.  Handle
3021         BIT_FIELD_REFs.
3022         (sra_walk_expr): Don't maintain or pass down use_all_p.
3023         (scan_use): Remove use_all parameter.
3024         (scalarize_use): Likewise.  Re-expand assignment to
3025         BIT_FIELD_REF of gimple_reg.  De-scalarize before input or
3026         output, and re-scalarize after output.  Don't mark anything
3027         for no warning.
3028         (scalarize_ldst): Adjust.
3029         (scalarize_walk_gimple_modify_statement): Likewise.
3030         (build_element_name_1): Handle BIT_FIELD_REFs.
3031         (instantiate_element): Don't warn for any element whose parent
3032         is used as a whole.
3033         (instantiate_missing_elements_1): Return the sra_elt.
3034         (canon_type_for_field): New.
3035         (try_instantiate_multiple_fields): New.
3036         (instantiate_missing_elemnts): Use them.
3037         (mark_no_warning): Removed.
3038         (generate_one_element_ref): Handle BIT_FIELD_REFs.
3039         (REPLDUP, sra_build_elt_assignment): New.
3040         (generate_copy_inout): Use them.
3041         (generate_element_copy): Likewise.  Handle bitfld differences.
3042         (generate_element_zero): Don't recurse for blocks.  Use
3043         sra_build_elt_assignment.
3044         (generate_one_element_int): Take elt instead of var.  Use
3045         sra_build_elt_assignment.
3046         (generate_element_init_1): Adjust.
3047         (scalarize_use, scalarize_copy): Use REPLDUP.
3048         (scalarize_ldst): Move assert before dereference.
3049         (dump_sra_elt_name): Handle BIT_FIELD_REFs.
3050
3051 2007-04-30  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3052
3053         PR C++/31721
3054         * tree.c (reconstruct_complex_type): Reconstruct a reference
3055         correctly.
3056         Also use the same mode for the pointer as the old pointer type.
3057
3058 2007-04-30  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
3059
3060         * doc/trouble.texi (Interoperation): Remove note about Ultrix
3061         Fortran compiler.
3062
3063 2007-04-29  Zdenek Dvorak  <dvorakz@suse.cz>
3064
3065         PR rtl-optimization/31676
3066         * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
3067         (df_refs_record): Call it.
3068
3069 2007-04-29  Bernd Schmidt  <bernd.schmidt@analog.com>
3070
3071         * rtl.def (SS_ABS): New code.
3072         * config/bfin/bfin.c (print_operand): New modifier 'v'.
3073         (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
3074         BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
3075         BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
3076         (bfin_init_builtins): Define them.
3077         (bdesc_1arg, bdesc_2arg): Add some of them here, ...
3078         (bfin_expand_builtin): ... and handle the others here.
3079         * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
3080         flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
3081         (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
3082         (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
3083         operand is only HImode.
3084
3085 2007-04-29  Steven Bosscher  <steven@gcc.gnu.org>
3086
3087         * regclass.c (scan_one_insn): Remove splitting of
3088         two address insns.
3089
3090 2007-04-28  Sandra Loosemore  <sandra@codesourcery.com>
3091             Nigel Stephens  <nigel@mips.com>
3092
3093         * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
3094
3095 2007-04-28  Jan Hubicka  <jh@suse.cz>
3096
3097         * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
3098         insn_locators_alloc instead of insn_locators_initialize;
3099         call reset_block_changes.
3100         * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
3101         * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
3102         * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
3103         * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
3104         * config/score/score.c (th_output_mi_thunk): Likewise.
3105         * config/mips/mips.c (mips_output_mi_thunk): Likewise.
3106         * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
3107         tolerate uninitialized locator info.
3108
3109         Re-apply:
3110         * function.c (init_function_start): Don't init line number info.
3111         (expand_function_end): Update.
3112         (reset_block_changes, record_block_change, finalize_block_changes,
3113         check_block_change, free_block_changes): Kill.
3114         * function.h (reset_block_changes, record_block_change,
3115         finalize_block_changes, check_block_change, free_block_changes): Remove
3116         prototypes.
3117         (struct function): Remove ib_boundaries_block.
3118         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
3119         Use curr_insn_locator to initialize locator.
3120         (emit_line_note): Remove.
3121         * cfgexpand.c (expand_gimple_cond_expr): Update.
3122         (construct_exit_block): Likewise.
3123         (tree_expand_cfg): Initialize/finalize locators.
3124         * expr.c (expand_expr_real): Update.
3125         * cfglayout.c (line_locators_locs, line_locators_lines,
3126         file_locators_locs, file_locators_files): Remove.
3127         (set_block_levels): Move to cfgexpand.c.
3128         (insn_locators_initialize): Remove.
3129         (pass_insn_locators_initialize): Remove.
3130         (locations_locators_locs, locations_locators_vals): New static vars.
3131         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
3132         Likewise.
3133         (insn_locators_alloc, insn_locators_finalize,
3134         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
3135         New functions.
3136         (locator_location): New.
3137         (locator_line, locator_file): Rewrite.
3138         * rtl.h (emit_line_note): Kill.
3139         (insn_locators_alloc, insn_locators_finalize,
3140         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
3141         Declare.
3142         * tree-inline.c (initialize_cfun): Do not initialize
3143         ib_boundaries_block.
3144         * passes.c (pass_insn_locators_initialize): Remove.
3145
3146 2007-04-28  Zdenek Dvorak  <dvorakz@suse.cz>
3147
3148         * tree-cfg.c (move_block_to_fn): Release bb from dominance
3149         info.  Update last_basic_block correctly.
3150
3151 2007-04-27  Kaz Kojima  <kkojima@gcc.gnu.org>
3152
3153         PR target/31701
3154         * config/sh/sh.c (output_stack_adjust): Avoid using the frame
3155         register itself to hold the offset constant.  Tell flow the use
3156         of r4 and r5 when they are used.
3157
3158 2007-04-27  Richard Guenther  <rguenther@suse.de>
3159
3160         * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
3161         if we simplified anything.
3162         (tree_ssa_forward_propagate_single_use_vars): Defer overflow
3163         warnings until we did a simplification and the stmt was not
3164         marked as TREE_NO_WARNING.
3165
3166 2007-04-27  Mike Stump  <mrs@apple.com>
3167
3168         * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
3169
3170 2007-04-27  Ian Lance Taylor  <iant@google.com>
3171
3172         PR middle-end/31710
3173         * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
3174         TYPE_MAX_VALUE exist, convert them to the new type.
3175
3176 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
3177
3178         * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
3179         if it claims to be available.
3180         * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
3181         edge is redirected.
3182         (perform_tree_ssa_dce): Always free postdominators.
3183
3184 2007-04-27  Richard Henderson  <rth@redhat.com>
3185
3186         * config/alpha/predicates.md (aligned_memory_operand): Mark
3187         as define_special_predicate.
3188         (unaligned_memory_operand, normal_memory_operand): Likewise.
3189         (reg_or_unaligned_mem_operand): Remove.
3190         (any_memory_operand): Match the documentation and check for
3191         non-renumbered pseudos during reload.
3192         * config/alpha/alpha.c (alpha_secondary_reload): Rename from
3193         alpha_secondary_reload_class, update to new interface, make static.
3194         Handle CQImode like HImode.  Remove FP subreg check.
3195         (alpha_expand_mov): Use replace_equiv_address.
3196         (alpha_expand_mov_nobwx): Use any_memory_operand.
3197         (TARGET_SECONDARY_RELOAD): New.
3198         * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
3199         (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
3200         * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
3201         * config/alpha/alpha.md: ... here.
3202         (RELOAD12, reloadmode): New.
3203         (movcqi): New.
3204         (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
3205         Don't handle the aligned case here.
3206         (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
3207         (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
3208         reload_inhi_help.  Don't expect a scratch register.
3209         (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
3210         reload_outhi_help.
3211         * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
3212
3213 2007-04-27  Richard Guenther  <rguenther@suse.de>
3214
3215         * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
3216
3217 2007-04-27  Richard Guenther  <rguenther@suse.de>
3218
3219         PR tree-optimization/30965
3220         PR tree-optimization/30978
3221         * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
3222         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
3223         (find_equivalent_equality_comparison): Likewise.
3224         (simplify_cond): Likewise.
3225         (get_prop_source_stmt): New helper.
3226         (get_prop_dest_stmt): Likewise.
3227         (can_propagate_from): Likewise.
3228         (remove_prop_source_from_use): Likewise.
3229         (combine_cond_expr_cond): Likewise.
3230         (forward_propagate_comparison): New function.
3231         (forward_propagate_into_cond): Rewrite to use fold for
3232         tree combining.
3233         (tree_ssa_forward_propagate_single_use_vars): Call
3234         forward_propagate_comparison to propagate comparisons.
3235
3236 2007-04-27  Richard Guenther  <rguenther@suse.de>
3237
3238         PR tree-optimization/31715
3239         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
3240         sure to do computation on the offset in an appropriate
3241         signed type.
3242
3243 2007-04-27  Richard Sandiford  <richard@codesourcery.com>
3244
3245         * reload.h (elimination_target_reg_p): Declare.
3246         * reload.c (find_reloads): Don't apply the reg_rtx move
3247         optimization if the SET_DEST satisfies elimination_target_reg_p.
3248         * reload1.c (elimination_target_reg_p): New function.
3249         (gen_reload): In the move/add2 fallback, make sure that op0
3250         does not overlap the destination register.
3251
3252 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
3253
3254         * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
3255         transform only GIMPLE_MODIFY_STMTs.
3256         * tree-complex.c (expand_complex_operations_1): Ditto.
3257         (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
3258         * tree-ssa-loop-manip.c (build_if_stmt): Removed.
3259         (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
3260         branches.
3261         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
3262         tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
3263         * omp-low.c (expand_parallel_call, expand_omp_for_generic,
3264         expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
3265         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
3266         slpeel_add_loop_guard): Ditto.
3267         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
3268         * lambda-code.c (perfect_nestify): Ditto.
3269         * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
3270         before the first statement.
3271         * tree-optimize.c (execute_free_datastructures): Fix comments.
3272         (execute_free_cfg_annotations): Do not call disband_implicit_edges.
3273         * tree-flow.h (disband_implicit_edges): Declaration removed.
3274         * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
3275         branches.
3276         (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
3277         without gotos.
3278         (disband_implicit_edges, has_label_p): Removed.
3279         (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
3280         (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
3281         branches.
3282         * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
3283         side effects.
3284         * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
3285         also for COND_EXPRs.
3286         * cfgexpand.c (label_rtx_for_bb): New function.
3287         (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
3288         Use label_rtx_for_bb to find the labels.
3289         (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
3290         last block.  Detect fallthru edges.
3291
3292 2007-04-26  Ian Lance Taylor  <iant@google.com>
3293
3294         PR target/28675
3295         * reload.c (find_reloads_subreg_address): If the address was valid
3296         in the original mode but not in the new mode, reload the whole
3297         address.
3298
3299 2007-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
3300
3301         * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
3302         (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
3303         (cleanup_control_expr_graph): Do not invalidate dominance info.
3304         Record altered blocks.
3305         (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
3306         (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
3307         cleanup_tree_cfg_bb): New functions.
3308         (remove_forwarder_block): Do not maintain the worklist of blocks.
3309         Record altered blocks.
3310         (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
3311         not over whole cfg.
3312         (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1.  Only call
3313         delete_unreachable_blocks if dominators are not available.
3314         * tree-inline.c (optimize_inline_calls): Free dominance information
3315         earlier.
3316         * tree-flow.h (remove_edge_and_dominated_blocks,
3317         cfgcleanup_altered_bbs): Altered.
3318         * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
3319         blocks.
3320         (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
3321         functions.
3322         (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
3323         do not invalidate dominators.
3324
3325 2007-04-26  Anatoly Sokolov <aesok@post.ru>
3326
3327         * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
3328         ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
3329         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
3330         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
3331
3332 2007-04-26  Steve Ellcey  <sje@cup.hp.com>
3333
3334         * config/ia64/ia64.md (ip_value):  Fix itanium_class attribute.
3335
3336 2007-04-26  Richard Guenther  <rguenther@suse.de>
3337
3338         PR tree-optimization/31703
3339         * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
3340         the right type for the target of the bittest.
3341
3342 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
3343
3344         * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
3345         ix86_sol10_return_in_memory.
3346
3347 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
3348
3349         * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
3350         variables.
3351
3352 2007-04-26  Jakub Jelinek  <jakub@redhat.com>
3353
3354         PR c++/31598
3355         * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
3356
3357         PR tree-optimization/30558
3358         * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
3359         clear this_state.prev_try.
3360
3361 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
3362             Mark Mitchell  <mark@codesourcery.com>
3363
3364         * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
3365         * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
3366         * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
3367
3368 2007-04-26  Richard Sandiford  <richard@codesourcery.com>
3369
3370         PR driver/31107
3371         * doc/invoke.texi (%:print-asm-header): Document.
3372         * gcc.c (asm_options): Use %:print-asm-header() for --target-help
3373         and -ftarget-help.
3374         (static_spec_functions): Add print-asm-header.
3375         (main): Print a banner before the --target-help linker options.
3376         (print_asm_header_spec_function): New function.
3377
3378 2007-04-25  Kaz Kojima  <kkojima@gcc.gnu.org>
3379
3380         PR target/31403
3381         * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
3382         (movsf_ie): Likewise.
3383
3384 2007-04-25  Paolo Carlini  <pcarlini@suse.de>
3385
3386         * doc/extend.texi ([Type Traits]): Adjust per N2255.
3387
3388 2007-04-25  Bob Wilson  <bob.wilson@acm.org>
3389
3390         * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
3391         for divide-by-zero.
3392         (__umodsi3, __modsi3): Likewise.
3393
3394 2007-04-25  Dirk Mueller  <dmueller@suse.de>
3395
3396         * c-typeck.c (build_compound_expr): Annotate warning()
3397         call with OPT_Wunused_value.
3398         * tree-ssa.c (warn_uninit): Annotate warning with
3399         OPT_Wunintialized.
3400         * c-common.c (handle_sentinel_attribute): Annotate warning
3401         call with OPT_Wattributes.
3402
3403 2007-04-25  Thiemo Seufer  <ths@mips.com>
3404
3405         * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
3406         (mips16): Fix typo.
3407         * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
3408         on to the assembler.  Improve handling of -mno-mips16.  Add handling
3409         of -mno-mips3d, -mno-dsp, -mno-dspr2.
3410         * doc/invoke.texi (MIPS Options): Whitespace cleanup.  Fix wrong use
3411         of @itemx.  Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
3412         -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
3413
3414 2007-04-25  Danny Smith  <dannysmith.users.sourceforge.net>
3415
3416         PR target/31680
3417         * config/i386/winnt.c (i386_pe_file_end): Strip only
3418         USER_LABEL_PREFIX when writing export name.
3419
3420 2007-04-25  Richard Sandiford  <richard@codesourcery.com>
3421
3422         * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h.  Include
3423         sh/elf.h, vx-common.h and vxworks.h.
3424         * config/sh/sh.h: Include config/vxworks-dummy.h.
3425         (SUBTARGET_OVERRIDE_OPTIONS): Define.
3426         (OVERRIDE_OPTIONS): Use it.
3427         * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
3428         (vxworks_picreg): New pattern.
3429         * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
3430         VXWORKS_OS_CPP_BUILTINS.
3431         (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
3432         to their VXWORKS_* equivalents.
3433         (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
3434         (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
3435         * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
3436         (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
3437         * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
3438         -mrtp/-fPIC multilibs.
3439         (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
3440         (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
3441         (MULTILIB_OSDIRNAMES): Delete.
3442
3443 2007-04-25  Anatoly Sokolov <aesok@post.ru>
3444
3445         PR target/18989
3446         * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
3447
3448 2007-04-24  Brooks Moses  <brooks.moses@codesourcery.com>
3449
3450         * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
3451         rounding mode to be specified by the caller.
3452         (real_to_mpfr) Likewise.
3453         * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
3454         include new arguments.
3455         * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
3456
3457 2007-04-24  Ian Lance Taylor  <iant@google.com>
3458
3459         PR tree-optimization/31605
3460         * tree-vrp.c (set_value_range): Check that min and max are not
3461         both overflow infinities.
3462         (set_value_range_to_value): New static function.
3463         (extract_range_from_binary_expr): Call set_value_range_to_value.
3464         (extract_range_from_cond_expr): Likewise.
3465         (extract_range_from_expr): Likewise.
3466         (extract_range_from_unary_expr): Likewise.  Don't create a range
3467         which overflows on both sides.
3468         (vrp_meet): Check for a useless range.
3469         (vrp_visit_phi_node): If we see a constant which looks like an
3470         overflow infinity, turn off the TREE_OVERFLOW flag.
3471
3472 2007-04-24  Ian Lance Taylor  <iant@google.com>
3473
3474         * flow.c (elim_reg_cond): Handle a comparison of a subreg.
3475
3476 2007-04-24  Simon Martin  <simartin@users.sourceforge.net>
3477
3478         PR diagnostic/25923
3479         * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
3480         diagnostic message is being built.
3481         * tree-pretty-print.c (dump_generic_node): Only write the
3482         formatted text into BUFFER's stream if we are not building a
3483         diagnostic message.
3484         * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
3485         dump_generic_node.
3486         * Makefile.in (toplev.o): Depend on tree-pass.h.
3487
3488 2007-04-24  Ian Lance Taylor  <iant@google.com>
3489
3490         PR tree-optimization/31602
3491         * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
3492         conditionals in the copied loop header.
3493         * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
3494         warnings if TREE_NO_WARNING is set.
3495         * doc/invoke.texi (Warning Options): Clarify that
3496         -Wstrict-overflow does not warn about loops.
3497
3498 2007-04-24  Janis Johnson  <janis187@us.ibm.com>
3499
3500         * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
3501         expand on the comment about _Decimal128 arguments and check the
3502         integer result of the modulus operation; for 64-bit ELF ABI, ensure
3503         that _Decimal128 argument uses even/odd register pair.
3504         (function_arg): Ditto.
3505
3506 2007-04-24  Hui-May Chang <hm.chang@apple.com>
3507
3508         * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
3509         instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
3510
3511 2007-04-24  Richard Guenther  <rguenther@suse.de>
3512             Olga Golovanevsky  <olga@il.ibm.com>
3513
3514         * fold-const.c (multiple_of_p): Check for bottom
3515         to be zero.
3516
3517 2007-04-24  Richard Henderson  <rth@redhat.com>
3518
3519         * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
3520         IS_IBM_EXTENDED.  Also define in terms of WIDEST_HARDWARE_FP_SIZE.
3521         * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
3522         looking for non-zero bits shifted out.  Avoid a recursive call
3523         when constructing the scalar.
3524         (__floatundisf): Likewise.
3525
3526 2007-04-24  Nathan Froyd  <froydnj@codesourcery.com>
3527
3528         * dwarf2out.c (field_byte_offset): Move the existing logic
3529         under the control of PCC_BITFIELD_TYPE_MATTERS and just use
3530         the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
3531
3532 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3533
3534         PR target/31641
3535         * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
3536         argument of 0 for memset.
3537         (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
3538         unsigned shift instead of the signed variant.
3539
3540 2007-04-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3541
3542         * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
3543         "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
3544         "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
3545         "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
3546         "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
3547         "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
3548         "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
3549         "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
3550         "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
3551         ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
3552         "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
3553         "mul<mode>3", "div<mode>3"): Insn definitions added.
3554         ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
3555         "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
3556         to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
3557         ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
3558         "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
3559         "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
3560         ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
3561         * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
3562         TARGET_FLOAT_FORMAT): Macro definitions removed.
3563         (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
3564         * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
3565         z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
3566         (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
3567         (s390_gen_rtx_const_DI): Function removed.
3568         * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
3569
3570 2007-04-24  Richard Sandiford  <richard@codesourcery.com>
3571
3572         * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
3573         over an external ffs function.
3574
3575 2007-04-24  Chao-ying Fu  <fu@mips.com>
3576             Richard Sandiford  <richard@nildram.co.uk>
3577
3578         * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
3579         * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
3580         (smadd_widen_optab, umadd_widen_optab): Define.
3581         * optabs.c (init_optabs): Initialize smadd_widen_optab and
3582         umadd_widen_optab.
3583         * genopinit.c (optabs): Fill in smadd_widen_optab and
3584         umadd_widen_optab.
3585         * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
3586         and umadd_widen_optab to implement multiply-add sequences.
3587         * config/mips/mips.md (*<su>mul_acc_di): Rename to...
3588         (<u>maddsidi4): ...this.  Extend condition to include
3589         GENERATE_MADD_MSUB and TARGET_DSPR2.  Change the constraint
3590         of operand 0 to "ka" and use the three-operand form of madd<u>
3591         for TARGET_DSPR2.
3592         * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
3593         to define_expands.
3594         * config/mips/constraints.md (ka): New register constraint.
3595
3596 2007-04-24  Jan Hubicka  <j@suse.cz>
3597
3598         Revert:
3599
3600         2007-04-23  Jan Hubicka  <jh@suse.cz>
3601         * function.c (init_function_start): Don't init line number info.
3602         (expand_function_end): Update.
3603         (reset_block_changes, record_block_change, finalize_block_changes,
3604         check_block_change, free_block_changes): Kill.
3605         * function.h (reset_block_changes, record_block_change,
3606         finalize_block_changes, check_block_change, free_block_changes): Remove
3607         prototypes.
3608         (struct function): Remove ib_boundaries_block.
3609         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
3610         Use curr_insn_locator to initialize locator.
3611         (emit_line_note): Remove.
3612         * cfgexpand.c (expand_gimple_cond_expr): Update.
3613         (construct_exit_block): Likewise.
3614         (tree_expand_cfg): Initialize/finalize locators.
3615         * expr.c (expand_expr_real): Update.
3616         * cfglayout.c (line_locators_locs, line_locators_lines,
3617         file_locators_locs, file_locators_files): Remove.
3618         (set_block_levels): Move to cfgexpand.c.
3619         (insn_locators_initialize): Remove.
3620         (pass_insn_locators_initialize): Remove.
3621         (locations_locators_locs, locations_locators_vals): New static vars.
3622         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
3623         Likewise.
3624         (insn_locators_alloc, insn_locators_finalize,
3625         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
3626         New functions.
3627         (locator_location): New.
3628         (locator_line, locator_file): Rewrite.
3629         * rtl.h (emit_line_note): Kill.
3630         (insn_locators_alloc, insn_locators_finalize,
3631         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
3632         Declare.
3633         * tree-inline.c (initialize_cfun): Do not initialize
3634         ib_boundaries_block.
3635         * passes.c (pass_insn_locators_initialize): Remove.
3636
3637 2007-04-24  Daniel Franke  <franke.daniel@gmail.com>
3638
3639         * doc/invoke.texi: Removed leading '-' from option index entries.
3640
3641 2007-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
3642
3643         * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
3644         Use phi_nodes_ptr.
3645         (create_phi_node): Use set_phi_nodes.
3646         * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
3647         * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
3648         (combine_blocks):  Use bb_stmt_list and set_bb_stmt_list.
3649         * tree-flow-inline.h (phi_nodes, set_phi_nodes,
3650         (bsi_start, bsi_last): Use bb_stmt_list.
3651         (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
3652         * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
3653         Traverse the statements using tsi iterator.
3654         * basic-block.h (struct basic_block_def): Fields stmt_list
3655         and phi_nodes moved to ...
3656         (struct tree_bb_info): ... new structure.
3657         * tree-cfg.c (create_bb): Allocate il.tree.  Use set_bb_stmt_list.
3658         (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
3659         (remove_bb): Handle blocks with NULL stmt list.  Clear il.tree field.
3660         (tree_verify_flow_info): Verify that il.tree is not set for
3661         entry and exit block.
3662         (tree_split_block): Use set_bb_stmt_list.
3663
3664 2007-04-23  Mike Stump  <mrs@apple.com>
3665
3666         * config/i386/i386.c (ix86_tune_features
3667         [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
3668         nocona and core2.
3669
3670 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
3671
3672         * config/i386/i386.md (prefix_extra): New attribute.
3673         (length): Add prefix_extra.
3674
3675         * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
3676         (sse2_movntv2di): Likewise.
3677         (sse2_cvtps2dq): Likewise.
3678         (sse2_cvtpd2pi): Likewise.
3679         (sse2_cvttpd2pi): Likewise.
3680         (*sse2_cvtpd2ps): Likewise.
3681         (*add<mode>3): Likewise.
3682         (sse2_ssadd<mode>3): Likewise.
3683         (sse2_usadd<mode>3): Likewise.
3684         (*sub<mode>3): Likewise.
3685         (sse2_sssub<mode>3): Likewise.
3686         (sse2_ussub<mode>3): Likewise.
3687         (*mulv8hi3): Likewise.
3688         (*smulv8hi3_highpart): Likewise.
3689         (*umulv8hi3_highpart): Likewise.
3690         (sse2_umulv2siv2di3): Likewise.
3691         (sse2_pmaddwd): Likewise.
3692         (ashr<mode>3): Likewise.
3693         (lshr<mode>3): Likewise.
3694         (ashl<mode>3): Likewise.
3695         (sse2_ashlti3): Likewise.
3696         (sse2_lshrti3): Likewise.
3697         (*umaxv16qi3): Likewise.
3698         (*smaxv8hi3): Likewise.
3699         (*uminv16qi3): Likewise.
3700         (*sminv8hi3): Likewise.
3701         (sse2_eq<mode>3): Likewise.
3702         (sse2_gt<mode>3): Likewise.
3703         (*and<mode>3): Likewise.
3704         (sse2_nand<mode>3): Likewise.
3705         (*ior<mode>3): Likewise.
3706         (*xor<mode>3): Likewise.
3707         (sse2_packsswb): Likewise.
3708         (sse2_packssdw): Likewise.
3709         (sse2_packuswb): Likewise.
3710         (sse2_punpckhbw): Likewise.
3711         (sse2_punpcklbw): Likewise.
3712         (sse2_punpckhwd): Likewise.
3713         (sse2_punpcklwd): Likewise.
3714         (sse2_punpckhdq): Likewise.
3715         (sse2_punpckldq): Likewise.
3716         (sse2_punpckhqdq): Likewise.
3717         (sse2_punpcklqdq): Likewise.
3718         (*sse2_pinsrw): Likewise.
3719         (*sse2_pextrw): Likewise.
3720         (sse2_pshufd_1): Likewise.
3721         (sse2_uavgv16qi3): Likewise.
3722         (sse2_uavgv8hi3): Likewise.
3723         (sse2_psadbw): Likewise.
3724         (sse2_pmovmskb): Likewise.
3725         (*sse2_maskmovdqu): Likewise.
3726         (*sse2_maskmovdqu_rex64): Likewise.
3727         (sse4a_extrqi): Likewise.
3728         (sse4a_extrq): Likewise.
3729         (sse3_lddqu): Set prefix_rep.
3730         (sse3_addsubv4sf3): Likewise.
3731         (sse3_haddv4sf3): Likewise.
3732         (sse3_hsubv4sf3): Likewise.
3733         (sse_cvtss2si): Likewise.
3734         (sse_cvtss2si_2): Likewise.
3735         (sse_cvtss2siq): Likewise.
3736         (sse_cvtss2siq_2): Likewise.
3737         (sse_cvttss2si): Likewise.
3738         (sse_cvttss2siq): Likewise.
3739         (sse2_cvttps2dq): Likewise.
3740         (sse3_movshdup): Likewise.
3741         (sse3_movsldup): Likewise.
3742         (sse2_cvtsd2si): Likewise.
3743         (sse2_cvtsd2si_2): Likewise.
3744         (sse2_cvtsd2siq): Likewise.
3745         (sse2_cvtsd2siq_2): Likewise.
3746         (sse2_cvttsd2si): Likewise.
3747         (sse2_cvttsd2siq): Likewise.
3748         (*sse2_cvtpd2dq): Likewise.
3749         (*sse2_cvttpd2dq): Likewise.
3750         (sse2_pshuflw_1): Likewise.
3751         (sse2_pshufhw_1): Likewise.
3752         (sse4a_insertqi): Likewise.
3753         (sse4a_insertq): Likewise.
3754         (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
3755         (ssse3_phadddv4si3): Likewise.
3756         (ssse3_phaddswv8hi3): Likewise.
3757         (ssse3_phsubwv8hi3): Likewise.
3758         (ssse3_phsubdv4si3): Likewise.
3759         (ssse3_phsubswv8hi3): Likewise.
3760         (ssse3_pmaddubswv8hi3): Likewise.
3761         (ssse3_pmulhrswv8hi3): Likewise.
3762         (ssse3_pshufbv16qi3): Likewise.
3763         (ssse3_psign<mode>3): Likewise.
3764         (ssse3_palignrti): Likewise.
3765         (abs<mode>2): Likewise.
3766         (ssse3_phaddwv4hi3): Set prefix_extra.
3767         (ssse3_phadddv2si3): Likewise.
3768         (ssse3_phaddswv4hi3): Likewise.
3769         (ssse3_phsubwv4hi3): Likewise.
3770         (ssse3_phsubdv2si3): Likewise.
3771         (ssse3_phsubswv4hi3): Likewise.
3772         (ssse3_pmaddubswv4hi3): Likewise.
3773         (ssse3_pmulhrswv4hi3): Likewise.
3774         (ssse3_pshufbv8qi3): Likewise.
3775         (ssse3_psign<mode>3): Likewise.
3776         (ssse3_palignrdi): Likewise.
3777         (abs<mode>2): Likewise.
3778         (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
3779         (*vec_dupv2df): Set mode to V2DF instead of V4SF.
3780         (sse2_pmovmskb): Set mode to SI instead of V2DF.
3781
3782 2007-04-23  Nick Clifton  <nickc@redhat.com>
3783
3784         * params.def: Fix formatting of emacs local variables.
3785
3786 2007-04-23  H.J. Lu  <hongjiu.lu@intel.com>
3787
3788         * config/i386/sse.md (sse2_stored): Don't split to inter-unit
3789         move if inter-unit move isn't allowed.
3790         Don't split moving the first element of V2DI to DI to inter-unit
3791         move if inter-unit move isn't allowed.
3792
3793 2007-04-23  Richard Guenther  <rguenther@suse.de>
3794
3795         * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
3796         and CDI_POST_DOMINATORS separately.
3797
3798 2007-04-23  Nick Clifton  <nickc@redhat.com>
3799
3800         * c.opt (Wformat-contains-nul): Add warning attribute.
3801
3802 2007-04-23  Jan Hubicka  <jh@suse.cz>
3803
3804         * function.c (init_function_start): Don't init line number info.
3805         (expand_function_end): Update.
3806         (reset_block_changes, record_block_change, finalize_block_changes,
3807         check_block_change, free_block_changes): Kill.
3808         * function.h (reset_block_changes, record_block_change,
3809         finalize_block_changes, check_block_change, free_block_changes): Remove
3810         prototypes.
3811         (struct function): Remove ib_boundaries_block.
3812         * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
3813         Use curr_insn_locator to initialize locator.
3814         (emit_line_note): Remove.
3815         * cfgexpand.c (expand_gimple_cond_expr): Update.
3816         (construct_exit_block): Likewise.
3817         (tree_expand_cfg): Initialize/finalize locators.
3818         * expr.c (expand_expr_real): Update.
3819         * cfglayout.c (line_locators_locs, line_locators_lines,
3820         file_locators_locs, file_locators_files): Remove.
3821         (set_block_levels): Move to cfgexpand.c.
3822         (insn_locators_initialize): Remove.
3823         (pass_insn_locators_initialize): Remove.
3824         (locations_locators_locs, locations_locators_vals): New static vars.
3825         (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
3826         Likewise.
3827         (insn_locators_alloc, insn_locators_finalize,
3828         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
3829         New functions.
3830         (locator_location): New.
3831         (locator_line, locator_file): Rewrite.
3832         * rtl.h (emit_line_note): Kill.
3833         (insn_locators_alloc, insn_locators_finalize,
3834         set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
3835         Declare.
3836         * tree-inline.c (initialize_cfun): Do not initialize
3837         ib_boundaries_block.
3838         * passes.c (pass_insn_locators_initialize): Remove.
3839
3840 2007-04-22  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3841
3842         PR middle-end/31448
3843         * expr.c (reduce_to_bit_field_precision): Handle
3844         CONST_INT rtx's.
3845
3846 2007-04-22  Uros Bizjak  <ubizjak@gmail.com>
3847
3848         PR tree-optimization/24659
3849         * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
3850         OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
3851         (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
3852         * genopinit.c (optabs): Rename vec_pack_mod_optab
3853         to vec_pack_trunc_optab.
3854         * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
3855         early for scalar floating point operands for NOP_EXPR.
3856         (vectorizable_type_promotion): Ditto.
3857         * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
3858         vec_pack_trunc_optab.
3859         (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
3860
3861         * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
3862         * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
3863         Rename from VEC_PACK_MOD_EXPR.
3864         (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
3865         * expr.c (expand_expr_real_1): Ditto.
3866         * tree-inline.c (estimate_num_insns_1): Ditto.
3867         * tree-vect-generic.c (expand_vector_operations_1): Ditto.
3868
3869         * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
3870         (vec_unpacks_lo_v4sf): Ditto.
3871         (vec_pack_trunc_v2df): Ditto.
3872         (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
3873         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
3874         (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
3875
3876         * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
3877         vec_pack_mod_v8hi.
3878         (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
3879
3880         * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
3881         Rename from VEC_PACK_MOD_EXPR.  This expression also represent
3882         packing of floating point operands.
3883         [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
3884         represent unpacking of floating point operands.
3885         * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
3886         [vec_unpacks_hi]: Ditto.
3887         [vec_unpacks_lo]: Ditto.
3888
3889 2007-04-22  Jan Hubicka  <jh@suse.cz>
3890
3891         * final.c (rest_of_handle_final): Call
3892         targetm.asm_out.constructor/targetm.asm_out.destructor
3893         * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
3894         proper priority via decl_*_priority_insert.
3895         * c-common.c (c_expand_body): Likewise.
3896
3897 2007-04-22  Richard Guenther  <rguenther@suse.de>
3898
3899         PR tree-optimization/29789
3900         * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
3901         (rewrite_reciprocal): New helper split out from
3902         determine_invariantness_stmt.
3903         (rewrite_bittest): Likewise.
3904         (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
3905         A & (1 << B) if (1 << B) is loop invariant but (A >> B)
3906         is not.
3907
3908 2007-04-22  Revital Eres  <eres@il.ibm.com>
3909
3910         * loop-unroll.c (var_to_expand): New field to support also
3911         insns of the form x = something + x.
3912         (analyze_insn_to_expand_var): Use it.
3913         (expand_var_during_unrolling): Likewise.
3914
3915 2007-04-21  Zdenek Dvorak  <dvorakz@suse.cz>
3916
3917         * predict.c: Include pointer-set.h.
3918         (bb_predictions): New variable.
3919         (tree_predicted_by_p, tree_predict_edge,
3920         remove_predictions_associated_with_edge): Use bb_predictions map
3921         instead of bb->predictions.
3922         (clear_bb_predictions, assert_is_empty): New functions.
3923         (combine_predictions_for_bb): Use bb_predictions map.  Call
3924         clear_bb_predictions.
3925         (tree_estimate_probability): Create and free bb_predictions map.
3926         * Makefile.in (predict.o): Add pointer-set.h dependency.
3927         * basic-block.h (struct basic_block_def): Remove predictions
3928         field.
3929         * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
3930
3931 2007-04-21  Kaz Kojima  <kkojima@gcc.gnu.org>
3932
3933         PR target/31480
3934         * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
3935         is null.
3936
3937 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3938
3939         * timevar.c (timevar_print): Change reference of --disable-checking to
3940         --enable-checking=release.  Also warn if assert checking is disabled.
3941
3942 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3943
3944         PR C/30265
3945         * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
3946         decl as addressable if the compound literal was marked as
3947         addressable.
3948         Mark the decl as a gimple register if it is a complex or
3949         vector decl and does not live in memory.
3950
3951 2007-04-21  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3952
3953         * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
3954         (GENERIC_NEXT): New function macro.
3955         (PHI_CHAIN): Use phi_node's new chain variable.
3956         (tree_phi_node): Change tree_common to tree_base
3957         and add the chain field.
3958         * tree-phinodes.c (make_phi_node): Don't set
3959         TREE_TYPE on the new node.
3960         * c-decl.c (lang_tree_node): Use GENERIC_NEXT
3961         instead of checking GIMPLE_TUPLE_P in chain_next.
3962         * tree-vect-transform.c
3963         (get_initial_def_for_induction): Look at
3964         PHI_RESULT_TREE for the type of the phi node.
3965         (update_vuses_to_preheader): Use PHI_CHAIN
3966         instead of TREE_CHAIN on the ph