1 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
3 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
4 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
5 file_end_indicate_exec_stack.
6 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
8 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
9 for a non-executable stack.
12 * libunwind.S: Likewise.
14 2006-11-02 Ben Elliston <bje@au.ibm.com>
16 * tree-ssa.c (warn_uninit): Use expand_location variables for
17 locus and declaration locus.
19 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
22 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
23 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
24 cmp{eq,gt,gtu}{si,di}_media.
25 (*cmpne0si_media): Remove.
26 (*movsicc_umin): Adjust gen_cmp*_media call.
27 (unordered): Change the mode of unordered and operands[1] to
29 (seq): Adjust gen_cmp*_media calls. Make the mode of
30 a temporary result of compare SImode if needed. If the mode
31 of operands[0] is DImode, extend the temporary result to DImode.
32 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
33 (sunorderd): Change the mode of match_operand and unorderd to
35 (cmpeq{sf,df}_media): Remove.
36 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
37 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
38 and compare operation to SImode.
40 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
42 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
44 (sparc64-sun-solaris2*): Likewise.
46 2006-11-02 Paul Brook <paul@codesourcery.com>
48 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
49 from priority argument. Use different section for non-default
51 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
53 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
56 * except.c (switch_to_exception_section): Do not cache the section
57 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
58 and flag_function_sections is set.
60 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
63 * builtins.c (do_mpfr_sincos): New.
64 (fold_builtin_1): Use it to fold builtin sincos.
66 2006-11-01 Roger Sayle <roger@eyesopen.com>
68 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
71 2006-11-01 Roger Sayle <roger@eyesopen.com>
73 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
74 whether the assembler supports taking the difference of symbols in
75 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
76 * configure: Regenerate.
77 * config.in: Regenerate.
78 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
79 the assembler doesn't support taking the difference of symbols in
80 different sections, i.e. we're using the native solaris assembler.
82 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
83 Peter Bergner <bergner@vnet.ibm.com>
85 * doc/invoke.texi: Add cpu_type power6x
86 (RS/6000 and PowerPC Options): Add -mmfpgpr.
87 * config.gcc: Add cpu_type power6x.
88 * configure.ac: Add test for mf{t,f}gpr instructions.
89 (HAVE_AS_MFPGPR): New.
90 * config.in: Regenerate.
91 * configure: Regenerate.
92 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
93 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
94 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
95 and mftgpr attributes.
96 (define_attr "cpu"): Add power6.
97 Change instruction sequences to use new attributes.
98 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
99 (fix_truncdfsi2_mfpgpr): New.
100 (floatsidf_ppc64_mfpgpr): New.
101 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
102 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
103 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
104 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
105 (fix_truncdfsi2): Use gpc_reg_operand constraint.
106 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
107 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
108 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
109 cntlz,exts and var_delayed_compare.
110 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
111 _ARCH_PWR6X, if features enabled.
112 * config/rs6000/rs6000.opt (mmfpgpr): New.
113 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
114 (cached_can_issue_more): New variable.
115 (processor_costs): Add power6_cost.
116 (rs6000_sched_init): New function.
117 (is_dispatch_slot_restricted): Deleted.
118 (set_to_load_agen): New function.
119 (is_load_insn,is_store_insn): New functions.
120 (adjacent_mem_locations): New function.
121 (insn_must_be_first_in_group): New function.
122 (insn_must_be_last_in_group): New function.
123 (rs6000_sched_reorder): New function.
124 (rs6000_sched_reorder2): New function.
125 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
126 TARGET_SCHED_REORDER2): Define.
127 (processor_target_table): Use PROCESSOR_POWER6 for power6.
128 Add power6x. Add MASK_MFPGPR for power6x.
129 (POWERPC_MASKS): Add MASK_MFPGPR.
130 (rs6000_override_options): Set rs6000_always_hint to false
131 for power6. Set rs6000_align_branch_targets. Replace
132 rs6000_sched_groups check with rs6000_align_branch_targets.
133 Use PROCESSOR_POWER6.
134 (last_scheduled_insn): New variable.
135 (load_store_pendulum): New variable.
136 (rs6000_variable_issue): Set last_scheduled_insn and
137 cached_can_issue_more.
138 (rs6000_adjust_cost): Add power6 cost adjustments.
139 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
140 with insn_must_be_first_in_group. Add power6 priority adjustments.
141 (rs6000_issue_rate): Add CPU_POWER6.
142 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
143 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
144 (TARGET_MFPGPR): New.
145 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
146 (ASM_CPU_SPEC): Add power6x.
147 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
149 * config/rs6000/power6.md: New file.
151 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
153 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
154 HOST_WIDE_INT_PRINT to print high and low parts. Use
155 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
156 printing a hexadecimal number prefix it with 0x.
158 2006-11-01 Chris Johns <chris@contemporary.net.au>
161 * Makefile.in (install-driver): Use exeext when installing
162 $target-gcc-$version.
164 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
166 * c-common.c (flag_cpp0x): New.
167 * c-common.h (flag_cpp0x): New.
168 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
169 supported, define __GXX_EXPERIMENTAL_CPP0X__.
170 * c-opts.c (set_std_cxx0x): New.
171 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
172 * c.opt (std=c++0x): Document.
173 (std=gnu++0x): Ditto.
174 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
175 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
177 2006-11-01 Richard Guenther <rguenther@suse.de>
179 * config/i386/i386.c (ix86_expand_rint): Fix issues with
181 (ix86_expand_floorceildf_32): Likewise.
182 (ix86_expand_floorceil): Likewise.
183 (ix86_expand_trunc): Likewise.
185 2006-10-31 Andrew Pinski <pinskia@gmail.com>
187 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
190 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
192 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
194 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
196 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
198 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
199 * configure.ac (use_cxa_atexit): As a special case, don't test
200 for libc definition of __cxa_atexit on mingw32
201 * configure: Regenerate.
202 * config.gcc (i[34567]86-pc-mingw32): Default to
203 enable__cxa_atexit=yes.
205 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
207 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
209 2006-10-31 Geoffrey Keating <geoffk@apple.com>
212 * c-decl.c (start_struct): Don't create self-containing
214 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
216 * config/rs6000/rs6000-protos.h
217 (darwin_rs6000_special_round_type_align): New.
218 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
219 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
221 2006-10-31 Geoffrey Keating <geoffk@apple.com>
223 * toplev.c (compile_file): Call final_write_globals
224 even if there have been errors.
226 2006-10-31 Eric Christopher <echristo@apple.com>
227 Falk Hueffner <falk@debian.org>
229 * doc/extend.texi (__builtin_bswap32): Document.
230 (__builtin_bswap64): Ditto.
231 * doc/libgcc.texi (bswapsi2): Document.
233 * doc/rtl.texi (bswap): Document.
234 * optabs.c (expand_unop): Don't widen a bswap.
235 (init_optabs): Init bswap. Set libfuncs explicitly
236 for bswapsi2 and bswapdi2.
237 * optabs.h (OTI_bswap): New.
238 (bswap_optab): Ditto.
239 * genopinit.c (optabs): Handle bswap_optab.
240 * tree.h (tree_index): Add TI_UINT32_TYPE and
242 (uint32_type_node): New.
243 (uint64_type_node): Ditto.
244 * tree.c (build_common_tree_nodes_2): Initialize
245 uint32_type_node and uint64_type_node.
246 * builtins.c (expand_builtin_bswap): New.
247 (expand_builtin): Call.
248 (fold_builtin_bswap): New.
249 (fold_builtin_1): Call.
250 * fold-const.c (tree_expr_nonnegative_p): Return true
252 * builtin-types.def (BT_UINT32): New.
254 (BT_FN_UINT32_UINT32): Ditto.
255 (BT_FN_UINT64_UINT64): Ditto.
256 * builtins.def (BUILT_IN_BSWAP32): New.
257 (BUILT_IN_BSWAP64): Ditto.
258 * rtl.def (BSWAP): New.
259 * genattrtab.c (check_attr_value): New.
260 * libgcc2.c (__bswapSI2): New.
262 * libgcc2.h (__bswapSI2): Declare.
264 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
265 * simplify-rtx.c (simplify_const_unary_operation): Return
267 * libgcc-std.ver (__bwapsi2): Add.
269 * reload1.c (eliminate_regs_1): Add bswap.
270 (elimination_effects): Ditto.
271 * config/i386/i386.h (x86_bswap): New.
273 * config/i386/i386.c (x86_bswap): Set.
275 2006-10-31 Geoffrey Keating <geoffk@apple.com>
277 * coverage.c (coverage_checksum_string): Update comment.
278 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
279 of get_file_function_name.
280 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
281 of get_file_function_name_long.
282 * tree.c (get_file_function_name): Rename from
283 get_file_function_name_long; improve comment; handle 'I' and 'D'
284 specially when the target has ctor/dtor support; remove special
286 (get_file_function_name): Remove.
287 * tree.h (get_file_function_name): Rename from
288 get_file_function_name_long.
289 (get_file_function_name): Remove prototype.
291 2006-10-31 Geoffrey Keating <geoffk@apple.com>
293 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
294 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
296 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
297 Call dsymutil when compiling and linking one or more source files
300 2006-10-31 Geoffrey Keating <geoffk@apple.com>
303 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
305 2006-10-31 Geoffrey Keating <geoffk@apple.com>
307 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
308 inline static functions in c99 mode.
311 * doc/extend.texi (Inline): Update.
312 * c-tree.h (struct language_function): Remove field 'extern_inline'.
313 * c-decl.c (current_extern_inline): Delete.
314 (pop_scope): Adjust test for an undefined nested function.
315 Add warning about undeclared inline function.
316 (diagnose_mismatched_decls): Update comments. Disallow overriding
317 of inline functions in a translation unit in C99. Allow inline
318 declarations in C99 at any time.
319 (merge_decls): Boolize variables. Handle C99 'extern inline'
321 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
322 C99 inline semantics.
323 (start_function): Don't clear current_extern_inline. Don't set
325 (c_push_function_context): Don't push current_extern_inline.
326 (c_pop_function_context): Don't restore current_extern_inline.
329 * c-typeck.c (build_external_ref): Warn about static variables
330 used in extern inline functions.
331 * c-decl.c (start_decl): Warn about static variables declared
332 in extern inline functions.
334 2006-10-31 Roger Sayle <roger@eyesopen.com>
337 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
338 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
339 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
340 or y is an even integer.
342 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
345 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
346 * gthr-posix95.h (__gthread_active_p): Likewise.
348 2006-10-31 Richard Guenther <rguenther@suse.de>
350 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
351 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
352 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
353 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
354 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
355 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
356 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
357 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
360 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
362 * opts.c (decode_options): Disable CSE skip blocks.
364 2006-10-30 Dirk Mueller <dmueller@suse.de>
366 * c-common.h (strict_aliasing_warning): Fix whitespace.
367 * c-decl (start_function): Move code for main decl warning ..
368 * c-common.c (check_main_parameter_types): .. here.
369 * c-common.h (check_main_parameter_types): Declare.
371 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
374 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
376 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
378 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
379 be a PARALLEL containing sets. Return false when out_pat is not
382 2006-10-30 Richard Sandiford <richard@codesourcery.com>
384 * config/mips/mips.md (mul<mode>3): Split into...
385 (mulsi3, muldi3): ...these separate patterns.
387 2006-10-30 Richard Sandiford <richard@codesourcery.com>
389 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
390 but with each set of options separated by spaces.
392 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
394 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
395 dwarf_reg_size_table has been initialized.
397 2006-10-30 Roger Sayle <roger@eyesopen.com>
399 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
400 * ddg.c (print_ddg_edge): Likewise.
401 * dwarf2out.c (prune_unused_types_walk): Likewise.
402 * ifcvt.c (noce_try_cmove_arith): Likewise.
403 * langhooks.c (add_builtin_function): Likewise.
404 * reg-stack.c (subst_stack_regs_pat): Likewise.
405 * tree.c (expanded_location): Likewise.
406 * tree-dump.c (dequeue_and_dump): Likewise.
408 2006-10-30 David Daney <ddaney@avtrex.com>
410 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
412 2006-10-30 Jakub Jelinek <jakub@redhat.com>
414 PR tree-optimization/29637
415 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
416 of the innertype is the innertype itself.
418 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
420 * dwarf2out.c (file_name_acquire): Correct typo.
422 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
424 * tree.h (tree_value_handle): Remove struct value_set declaration.
425 Change value_set to bitmap_set.
426 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
427 * tree-vn.c (get_value_handle): Made inline and moved to
429 * tree-flow-inline.h: (has_stmt_ann): New function.
430 * tree-ssa-pre.c (expressions): New variable.
431 (next_expression_id): Ditto.
432 (alloc_expression_id): New function.
433 (struct value_set): Remove.
434 (get_expression_id): New function.
435 (get_or_alloc_expression_id): Ditto.
436 (expression_for_id): Ditto.
437 (clear_expression_ids): Ditto.
438 (FOR_EACH_EXPR_ID_IN_SET): New macro.
439 (bb_value_sets): Renamed to bb_bitmap_sets.
440 All value sets replaced with bitmap_sets.
442 (BB_VISITED): New macro.
443 (postorder): New variable.
444 (add_to_value): Removed.
445 (value_exists_in_set_bitmap): Ditto.
446 (value_insert_into_set_bitmap): Ditto.
450 (set_contains_value): Ditto.
451 (insert_into_set): Ditto.
453 (find_leader): Ditto.
454 (bitmap_set_subtract_from_value_set): Ditto.
455 (value_insert_into_set): Ditto.
456 (print_value_set): Ditto.
457 (debug_value_set): Ditto.
458 (constant_expr_p): New function.
459 (bitmap_remove_from_set): Ditto.
460 (bitmap_insert_into_set): Ditto.
461 (bitmap_set_free): Ditto.
463 (sorted_array_from_bitmap_set): Ditto.
464 (bitmap_set_subtract): Ditto.
465 (bitmap_set_equal): Ditto.
466 (debug_bitmap_set): Ditto.
467 (find_leader_in_sets): Ditto.
468 (bitmap_set_replace_value): Modify for bitmapped sets.
469 (phi_translate): Ditto.
470 (phi_translate_set): Ditto.
471 (bitmap_find_leader): Ditto.
472 (valid_in_sets): Ditto.
473 (union_contains_value): Ditto.
475 (compute_antic_aux): Ditto. Mark changed blocks.
476 (compute_antic): Ditto. Iterate in postorder and only over
478 (compute_rvuse_and_antic_safe): Reuse postorder.
479 (create_component_ref_by_pieces): Modify for bitmapped sets.
480 (find_or_generate_expression): Ditto.
481 (create_expression_by_pieces): Ditto.
482 (insert_into_preds_of_block): Ditto.
483 (changed_blocks): New variable.
484 (do_regular_insertion): Broken out from insert_aux.
485 (insert_aux): Modified for bitmapped sets.
486 (find_existing_value_expr): New function.
487 (create_value_expr_from): Use it.
488 (insert_extra_phis): Removed.
489 (print_bitmap_set): Renamed from bitmap_print_value_set.
490 (compute_avail): Handle RETURN_EXPR.
491 (init_pre): Modify for bitmapped sets.
492 * tree-flow.h (has_stmt_ann): New function.
494 2006-10-29 Roger Sayle <roger@eyesopen.com>
496 * builtins.c (fold_builtin_floor): Check for the availability of
497 the C99 trunc function before transforming floor into trunc.
499 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
501 * builtins.c (fold_builtin_hypot): Rearrange recursive
502 transformation before others, and also do ABS_EXPR. When
503 necessary, check flag_unsafe_math_optimizations. When necessary,
506 2006-10-29 Roger Sayle <roger@eyesopen.com>
508 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
509 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
510 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
511 Fold -X eq/ne -Y as X eq/ne Y.
513 2006-10-29 Richard Sandiford <richard@codesourcery.com>
515 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
516 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
517 rather than GENERATE_MULT3_SI in the various define_peephole2s.
518 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
519 Use an inclusive test for "mult" rather than "mul".
520 (rotr<mode>3): Depend on ISA_HAS_ROR.
521 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
523 (GENERATE_MULT3_DI): Delete.
524 (ISA_HAS_64BIT_REGS): Use consistent formatting.
525 (ISA_HAS_MUL3): New macro.
526 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
527 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
528 (ISA_HAS_CLZ_CLO): Likewise.
529 (ISA_HAS_DCLZ_DCLO): Delete.
530 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
531 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
532 the VR4120 and VR4130.
533 (ISA_HAS_MACCHI): Use consistent formatting.
534 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
535 (ISA_HAS_ROR): ...this new macro.
536 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
537 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
538 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
540 2006-10-29 Roger Sayle <roger@eyesopen.com>
542 PR tree-optimization/15458
543 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
546 2006-10-29 Richard Guenther <rguenther@suse.de>
548 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
549 (ix86_expand_truncdf_32): Likewise.
550 * config/i386/i386.c (ix86_expand_trunc): New function expanding
551 trunc inline for SSE math and -fno-trapping-math and if not
553 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
554 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
555 for expanding btrunc inline for SSE math.
557 2006-10-29 Joseph Myers <joseph@codesourcery.com>
559 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
560 Handle tuning for bi-arch i[34567]86-*-linux* like that for
561 i[34567]86-*-solaris2.1[0-9]*.
562 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
563 Define conditionally depending on TARGET_64BIT_DEFAULT.
564 (SPEC_32, SPEC_64): Define.
565 (LINK_SPEC): Use them.
566 * doc/install.texi (--enable-targets=all): Document for x86-linux.
568 2006-10-29 Richard Guenther <rguenther@suse.de>
570 * config/i386/i386-protos.h (ix86_expand_round): Declare.
571 (ix86_expand_rounddf_32): Likewise.
572 * config/i386/i386.c (ix86_expand_round): New function expanding
573 round inline for SSE math and -fno-trapping-math and if not
575 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
576 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
577 round via ix86_expand_round.
579 2006-10-29 Richard Guenther <rguenther@suse.de>
581 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
582 (ix86_expand_floorceildf_32): Likewise.
583 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
584 static helper function.
585 (ix86_expand_floorceil): Expander for floor and ceil to SSE
587 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
588 * config/i386/i386.md (floordf2): Adjust to enable floor
589 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
590 -fno-trapping-math is enabled and if not optimizing for size.
591 (floorsf2, ceildf2, ceilsf2): Likewise.
592 * config/i386/sse.md (sse_maskcmpsf3): New insn.
593 (sse2_maskcmpdf3): Likewise.
595 2006-10-29 Richard Guenther <rguenther@suse.de>
597 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
598 rint in case -fno-trapping-math is enabled.
599 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
600 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
601 (ix86_expand_sse_fabs): Likewise.
602 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
603 * config/i386/i386.md (rintdf2): Enable for SSE math if
604 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
607 2006-10-29 Richard Guenther <rguenther@suse.de>
609 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
610 to conversion optabs.
611 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
613 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
614 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
615 (lfloor_optab, lceil_optab): Adjust defines.
616 * builtins.c (expand_builtin_int_roundingfn): Adjust for
617 lfloor and lceil optabs now being conversion optabs.
618 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
619 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
620 New static helper function.
621 (ix86_expand_lfloorceil): New function to expand lfloor and
623 * config/i386/i386.md (lfloor<mode>2): Split into ...
624 (lfloorxf<mode>2): ... x87 variant
625 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
626 using ix86_expand_lfloorceil.
627 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
629 * doc/md.texi (lfloorMN, lceilMN): Document.
631 2006-10-29 Richard Sandiford <richard@codesourcery.com>
633 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
634 -mno-shared assembler option on mips targets.
635 * configure, config.in: Regenerate.
636 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
637 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
638 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
640 2006-10-29 Richard Sandiford <richard@codesourcery.com>
642 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
643 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
645 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
647 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
648 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
651 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
654 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
655 (fold_builtin_pow): Evaluate constant arguments at compile-time
657 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
658 (do_mpfr_ckconv): New helper function.
659 (do_mpfr_arg1): Use do_mpfr_ckconv.
662 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
665 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
666 (-fdump-rtl-sched): Rename to ..
667 (-fdump-rtl-sched1): here. Also fix file extension number.
669 2006-10-28 Richard Guenther <rguenther@suse.de>
671 * fold-const.c (maybe_canonicalize_comparison): Fix code
674 2006-10-28 Uros Bizjak <uros@kss-loka.si>
676 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
677 (NON_QI_REG_P): Use IN_RANGE.
678 (REX_INT_REGNO_P): Use IN_RANGE.
679 (FP_REGNO_P): Use IN_RANGE.
680 (SSE_REGNO_P): Use IN_RANGE.
681 (REX_SSE_REGNO_P): Use IN_RANGE.
682 (MMX_REGNO_P): Use IN_RANGE.
683 (STACK_REGNO_P): New macro.
684 (STACK_REG_P): Use STACK_REGNO_P.
685 (NON_STACK_REG_P): Use STACK_REGNO_P.
686 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
687 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
688 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
689 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
690 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
692 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
694 * except.h (output_function_exception_table): Add 'const char*' param.
695 * except.c (switch_to_exception_section): Add 'const char*' param.
696 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
697 and flag_function_sections is set, use a function-specific section.
698 (output_function_exception_table): Add 'const char*' param.
699 Adjust call to switch_to_exception_section.
700 * final.c (rest_of_handle_final): Adjust calls to
701 output_function_exception_table.
702 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
703 * config.in: Regenerate.
704 * configure: Likewise.
706 2006-10-28 Richard Guenther <rguenther@suse.de>
709 * fold-const.c (maybe_canonicalize_comparison_1): Helper
710 for maybe_canonicalize_comparison.
711 (maybe_canonicalize_comparison): New function for canonicalizing
713 (fold_comparison): Call it to canonicalize comparisons with
716 2006-10-28 Richard Guenther <rguenther@suse.de>
719 * builtins.c (expand_builtin_int_roundingfn_2): Expand
720 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
721 (expand_builtin): Adjust likewise.
722 * genopinit.c (optabs[]): Add lround optab.
723 * optabs.c (init_optabs): Initialize lround_optab.
724 * optabs.h (enum convert_optab_index): Add COI_lround.
725 (lround_optab): Define.
726 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
727 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
729 (ix86_expand_lround): New function.
730 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
732 * doc/md.texi (lroundMN2): Document.
734 2006-10-28 Uros Bizjak <uros@kss-loka.si>
737 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
738 argument to HOST_WIDE_INT. Update function prototype.
739 (round_frame_size): Change return type to HOST_WIDE_INT. Change
740 "size" argument to HOST_WIDE_INT. Update function prototype.
742 2006-10-28 Uros Bizjak <uros@kss-loka.si>
744 * config/i386/i386.c (output_387_ffreep): Create output from a
745 template string for !HAVE_AS_IX86_FFREEP.
747 2006-10-27 Eric Christopher <echristo@apple.com>
749 * config/darwin.c: Fix formatting and grammar.
751 2006-10-27 Jan Hubicka <jh@suse.cz>
753 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
754 to be thrown away soon when IGNORE is set.
755 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
756 indicating when return value shall not be computed.
757 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
759 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
761 * config/i386/i386.h (TARGET_GEODE):
762 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
763 (TARGET_CPU_DEFAULT_geode): New macro.
764 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
765 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
766 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
767 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
768 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
770 (TARGET_CPU_DEFAULT_NAMES): Add geode.
771 (processor_type): Add PROCESSOR_GEODE.
773 * config/i386/i386.md: Include geode.md.
776 * config/i386/i386.c (geode_cost): New initialized global
778 (m_GEODE, m_K6_GEODE): New macros.
779 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
780 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
781 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
782 x86_schedule): Use m_K6_GEODE instead of m_K6.
783 (x86_movx, x86_cmove): Set up m_GEODE.
784 (x86_integer_DFmode_moves): Clear m_GEODE.
785 (processor_target_table): Add entry for geode.
786 (processor_alias_table): Ditto.
788 * config/i386/geode.md: New file.
790 * doc/invoke.texi: Add entry about geode processor.
792 2006-10-27 Mike Stump <mrs@apple.com>
794 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
795 __DYNAMIC__ from here back to ...
796 * config/darwin.h (CPP_SPEC): ... here.
798 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
799 Nathan Sidwell <nathan@codesourcery.com>
801 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
802 when choosing the minimum heapsize.
804 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
806 * gcc/unwind-dw2.h: Move cfa-related variables into
807 struct frame_state_reg_info to ensure that the CFA is properly
808 handled when executing DW_CFA_{remember,restore}_state.
809 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
810 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
811 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
812 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
813 gcc/config/rs6000/linux-unwind.h,
814 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
815 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
816 Modify to use new cfa_* fields.
818 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
820 * config/s390/s390.c (s390_init_frame_layout): Check positive
823 2006-10-26 Ben Elliston <bje@au.ibm.com>
825 * gimplify.c (get_name): Remove extraneous break.
826 (gimplify_omp_for): Initialise ret with GS_OK.
828 2006-10-25 Steve Ellcey <sje@cup.hp.com>
830 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
831 Add unix98.o to link line.
833 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
836 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
837 Calculate compile-time constants using MPFR.
838 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
839 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
841 2006-10-25 Bob Wilson <bob.wilson@acm.org>
843 * config/xtensa/lib2funcs.S: Use C-style comments.
845 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
847 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
848 (file_table_relative_p): Likewise.
849 (dwarf2out_finish): Likewise.
850 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
852 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
854 * tree-ssa-structalias.c (intra_create_variable_infos):
855 Don't recreate nonlocal_all if it already exists.
857 2006-10-25 Richard Guenther <rguenther@suse.de>
860 * optabs.h (enum optab_index): Remove OTI_lrint.
861 (enum convert_optab_index): Add COI_lrint.
862 (lrint_optab): Adjust.
863 (expand_sfix_optab): Declare.
864 * optabs.c (expand_sfix_optab): New function.
865 (init_optabs): Init lrint_optab as conversion optab.
866 * genopinit.c (lrint_optab): Change to a conversion optab.
867 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
868 expansion via conversion optab.
869 * config/i386/i386.md (*fistdi2_1): Remove
870 flag_unsafe_math_optimizations guard.
871 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
872 fist<mode>2_with_temp): Likewise.
873 (lrint<mode>2): Split into...
874 (lrintxf<mode>2): ... x87 part
875 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
876 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
877 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
878 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
879 * doc/md.texi (lrintMN2): Document.
881 2006-10-25 Uros Bizjak <uros@kss-loka.si>
884 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
885 Use inc and dec instructions for TARGET_USE_INCDEC.
886 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
887 ("sync_double_compare_and_swap<mode>"): Likewise.
888 ("*sync_double_compare_and_swapdi_pic"): Likewise.
889 ("*sync_compare_and_swap_cc<mode>"): Likewise.
890 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
891 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
892 ("sync_old_add<mode>"): Likewise.
893 ("sync_lock_test_and_set<mode>"): Likewise.
894 ("sync_lock_test_and_set<mode>"): Likewise.
895 ("sync_add<mode>"): Likewise.
896 ("sync_sub<mode>"): Likewise.
897 ("sync_ior<mode>"): Likewise.
898 ("sync_and<mode>"): Likewise.
899 ("sync_xor<mode>"): Likewise.
901 2006-10-25 Uros Bizjak <uros@kss-loka.si>
903 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
904 (remainder_optab): Define corresponding macro.
905 (drem_optab): Remove.
906 * optabs.c (init_optabs): Initialize remainder_optab. Remove
907 drem_optab initialization.
908 * genopinit.c (optabs): Implement remainder_optab using
909 remainder?f3 patterns. Remove drem_optab.
910 * builtins.c (expand_builtin_mathfn_2): Handle
911 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
912 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
913 expand_builtin_mathfn_2.
915 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
916 depend on flag_unsafe_math_optimizations.
918 * config/i386/i386.md ("remaindersf3", "remainderdf3")
919 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
920 Do not depend on flag_unsafe_math_optimizations. Use
921 truncxf?f expander instead of truncxf?f_i387_noop.
923 ("fpremxf4", "fprem1xf4"): Do not depend on
924 flag_unsafe_math_optimizations.
925 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
926 flag_unsafe_math_optimizations. Use truncxf?f expander
927 instead of truncxf?f_i387_noop.
929 * doc/md.texi (fmod, remainder): Document standard named pattern.
931 2006-10-24 Richard Sandiford <richard@codesourcery.com>
932 David Daney <ddaney@avtrex.com>
935 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
937 2006-10-25 Ben Elliston <bje@au.ibm.com>
939 * doc/extend.texi (Variable Attributes): Typo fix.
941 2006-10-24 Uros Bizjak <uros@kss-loka.si>
943 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
944 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
945 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
946 (FRAME_POINTER_REGNUM): Update register number to 21.
947 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
948 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
950 * config/i386/i386.c (regclass_map): Add fpcr entry.
951 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
953 (print_reg): Assert REGNO (x) != FPCR_REG.
955 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
956 (DIRFLAG_REG): Renumber.
957 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
958 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
959 (sse_prologue_save, *sse_prologue_save_insn): Renumber
960 hardcoded SSE register numbers.
962 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
963 hardcoded MMX register numbers.
965 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
968 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
969 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
971 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
972 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
973 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
974 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
976 2006-10-24 Richard Guenther <rguenther@suse.de>
979 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
980 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
981 for deciding optimizations in consistency with fold-const.c
982 (fold_builtin_unordered_cmp): Likewise.
984 2006-10-24 Richard Guenther <rguenther@suse.de>
986 * builtins.c (fold_builtin_floor): Fold floor (x) where
987 x is nonnegative to trunc (x).
988 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
989 nonnegative to FIX_TRUNC_EXPR.
991 2006-10-24 Richard Guenther <rguenther@suse.de>
993 PR tree-optimization/29567
994 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
995 for TRUTH_NOT_EXPR. Clarify comments.
997 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1000 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1001 at compile-time using MPFR. Change parameter VALUE to FUNC,
1003 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1004 for overflow and underflow at all times and avoid folding in
1007 2006-10-24 Ben Elliston <bje@au.ibm.com>
1009 * reload1.c: Formatting fixes.
1011 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1013 PR tree-optimization/14784
1014 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1015 * tree-ssa-structalias.c (get_constraint_for,
1016 intra_create_variable_infos): Set is_heapvar.
1017 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1018 non-heapvar pointer variables specially.
1020 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1023 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1024 fold_builtin_tan): Fold all constant arguments. Take a "type"
1025 argument as necessary.
1026 (do_mpfr_arg1): New.
1027 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1029 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1031 * config/xtensa/lib1funcs.asm: Use C-style comments.
1033 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1035 * tree.c (local_define_builtin): Replace calls to
1036 lang_hooks.builtin_function with add_builtin_function.
1037 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1039 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1041 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1042 common code to add_builtin_function.
1043 * langhooks.c (add_builtin_function): New function.
1044 (lhd_builtin_function): New function.
1045 * langhooks.h (struct lang_hooks): Change the signature of
1047 (add_builtin_function): New function.
1048 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1049 calls to lang_hooks.builtin_function with add_builtin_function.
1050 * c-common.c (decl_builtin_1): Replace calls to
1051 lang_hooks.builtin_function with add_builtin_function.
1052 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1053 lang_hooks.builtin_function with add_builtin_function.
1054 * config/frv/frv.c (def_builtin): Replace calls to
1055 lang_hooks.builtin_function with add_builtin_function.
1056 * config/s390/s390.c (s390_init_builtins): Replace calls to
1057 lang_hooks.builtin_function with add_builtin_function.
1058 * config/sparc/sparc.c (def_builtin): Replace calls to
1059 lang_hooks.builtin_function with add_builtin_function.
1060 * config/i386/i386.c (def_builtin): Replace calls to
1061 lang_hooks.builtin_function with add_builtin_function.
1062 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1063 lang_hooks.builtin_function with add_builtin_function.
1064 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1065 lang_hooks.builtin_function with add_builtin_function.
1066 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1067 Replace calls to lang_hooks.builtin_function with
1068 add_builtin_function.
1069 * config/iq2000/iq2000.c (def_builtin):
1070 Replace calls to lang_hooks.builtin_function with
1071 add_builtin_function.
1072 * config/ia64/ia64.c (def_builtin): Replace calls to
1073 lang_hooks.builtin_function with add_builtin_function.
1074 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1075 lang_hooks.builtin_function with add_builtin_function.
1076 (altivec_init_builtins): Replace calls to
1077 lang_hooks.builtin_function with add_builtin_function.
1078 * config/arm/arm.c (def_mbuiltin): Replace calls to
1079 lang_hooks.builtin_function with add_builtin_function.
1080 (arm_init_tls_builtins): Replace calls to
1081 lang_hooks.builtin_function with add_builtin_function.
1082 * config/mips/mips.c (mips_init_builtins): Replace calls to
1083 lang_hooks.builtin_function with add_builtin_function.
1084 * config/bfin/bfin.c (def_builtin): Replace calls to
1085 lang_hooks.builtin_function with add_builtin_function.
1086 * langhooks-def.h (lhd_builtin_function): New function.
1087 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1089 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1091 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1092 BUILT_IN_STRNCAT_CHK.
1094 2006-10-23 Jan Hubicka <jh@suse.cz>
1096 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1097 don't do conversion from memmove to memcpy here.
1098 (expand_builtin_bcopy, expand_builtin): Update call of
1099 expand_builtin_memmove.
1100 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1102 2006-10-23 Paul Brook <paul@codesourcery.com>
1104 * stor-layout.c (start_record_layout): maximum_field_alignment
1105 overrides STRUCTURE_SIZE_BOUNDARY.
1107 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1109 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1110 nonlocal function symbols if flag_pic.
1112 2006-10-23 Richard Guenther <rguenther@suse.de>
1116 * builtins.c (fold_binary): Remove checks for flag_wrapv
1117 and flag_trapv where negate_expr_p covers these cases.
1119 2006-10-23 Richard Guenther <rguenther@suse.de>
1122 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1123 of two on the absolute value.
1124 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1125 and negating -C does not overflow.
1127 2006-10-23 Richard Guenther <rguenther@suse.de>
1130 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1131 only if not flag_rounding_math.
1133 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1134 Kaz Kojima <kkojima@gcc.gnu.org>
1137 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1138 SImode memory reference for the source of a movua.
1139 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1140 (movua): Use an unspec instead of sign_extract. Expect the source
1141 to have mode BLKmode.
1142 (extv, insv): Use a BLKmode rather than SImode memory reference
1143 for the source of a movua.
1145 2006-10-22 Jeff Law <law@redhat.com>
1146 Richard Guenther <rguenther@suse.de>
1148 PR tree-optimization/15911
1149 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1150 (register_edge_assert_for_1): Likewise.
1151 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1152 (find_conditional_asserts): Adjust for new function signature.
1153 (find_assert_locations): Likewise.
1155 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1157 * config/i386/tmmintrin.h: Remove the duplicated content.
1159 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1161 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1162 (x86_64-*-*): Likewise.
1164 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1165 (override_options): Check SSSE3.
1166 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1167 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1168 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1169 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1170 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1171 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1172 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1173 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1174 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1175 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1176 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1177 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1178 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1179 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1180 IX86_BUILTIN_PABSD128.
1181 (bdesc_2arg): Add SSSE3.
1182 (bdesc_1arg): Likewise.
1183 (ix86_init_mmx_sse_builtins): Support SSSE3.
1184 (ix86_expand_builtin): Likewise.
1185 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1187 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1188 (UNSPEC_PSIGN): Likewise.
1189 (UNSPEC_PALIGNR): Likewise.
1190 Include mmx.md before sse.md.
1192 * config/i386/i386.opt: Add -mssse3.
1194 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1195 (ssse3_phaddwv4hi3): Likewise.
1196 (ssse3_phadddv4si3): Likewise.
1197 (ssse3_phadddv2si3): Likewise.
1198 (ssse3_phaddswv8hi3): Likewise.
1199 (ssse3_phaddswv4hi3): Likewise.
1200 (ssse3_phsubwv8hi3): Likewise.
1201 (ssse3_phsubwv4hi3): Likewise.
1202 (ssse3_phsubdv4si3): Likewise.
1203 (ssse3_phsubdv2si3): Likewise.
1204 (ssse3_phsubswv8hi3): Likewise.
1205 (ssse3_phsubswv4hi3): Likewise.
1206 (ssse3_pmaddubswv8hi3): Likewise.
1207 (ssse3_pmaddubswv4hi3): Likewise.
1208 (ssse3_pmulhrswv8hi3): Likewise.
1209 (ssse3_pmulhrswv4hi3): Likewise.
1210 (ssse3_pshufbv16qi3): Likewise.
1211 (ssse3_pshufbv8qi3): Likewise.
1212 (ssse3_psign<mode>3): Likewise.
1213 (ssse3_psign<mode>3): Likewise.
1214 (ssse3_palignrti): Likewise.
1215 (ssse3_palignrdi): Likewise.
1216 (abs<mode>2): Likewise.
1217 (abs<mode>2): Likewise.
1219 * config/i386/tmmintrin.h: New file.
1221 * doc/extend.texi: Document SSSE3 built-in functions.
1223 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1225 2006-10-22 Ira Rosen <irar@il.ibm.com>
1227 * tree-vect-transform.c (vectorizable_load): Use the type of the
1228 return value of the mask_for_load builtin to create realign_load
1231 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1233 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1236 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1238 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1239 (UNSPEC_LDDQU): This.
1240 * config/i386/sse.md (sse3_lddqu): Updated.
1242 2006-10-21 Richard Guenther <rguenther@suse.de>
1244 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1245 (expand_builtin): Use it to expand lrint instead of
1246 expand_builtin_mathfn.
1248 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1251 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1252 flag_unsafe_math_optimizations is set.
1254 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1257 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1258 patterns to use memory input operand in x87->mem->XMM
1259 reload sequences. Skip transformation for TARGET_K8.
1261 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1263 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1264 force operand1 to register if both operands are memory operands.
1265 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1266 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1267 if both operands are memory operands.
1268 (truncdfsf2): Do not force operand1 to register if both operands
1269 are memory operands.
1271 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1273 * Makefile.in (LIBS): Add $(GMPLIBS).
1274 * doc/install.texi: Update GMP and MPFR requirements.
1275 * doc/sourcebuild.texi (need_gmp): Delete.
1277 2006-10-21 Richard Guenther <rguenther@suse.de>
1279 PR tree-optimization/3511
1280 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1281 got new invariant arguments during PHI translation.
1283 2006-10-21 Richard Guenther <rguenther@suse.de>
1286 * fold-const.c (fold_comparison): Fold signed comparisons
1287 of the form X +- C1 CMP Y +- C2.
1289 2006-10-21 Richard Guenther <rguenther@suse.de>
1292 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1293 if flag_unsafe_math_optimizations is specified. We have
1294 flag_finite_math_only for that.
1295 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1296 or flag_unsafe_math_optimizations.
1298 2006-10-21 Richard Guenther <rguenther@suse.de>
1300 * builtins.c (fold_builtin_classify): Fix typo.
1302 2006-10-21 Richard Guenther <rguenther@suse.de>
1305 * simplify-rtx.c (simplify_const_relational_operation):
1306 Do not constant-fold ORDERED and UNORDERED for
1307 flag_unsafe_math_optimizations but only we do not need to
1308 honor NaNs for the given mode.
1310 2006-10-21 Richard Guenther <rguenther@suse.de>
1313 * config/i386/i386.c (classify_argument): Remove redundant
1314 walking of the BINFOs.
1315 (contains_128bit_aligned_vector_p): Likewise.
1317 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1319 * BASE-VER: Set to 4.3.0.
1321 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1323 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1324 (tree_decl_with_vis): Remove artificial_pta_var flag.
1325 * tree-flow.h (referenced_var_check_and_insert): Expose.
1326 (nonlocal_all): New prototype.
1327 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1328 (nonlocal_all): Make global.
1329 (nonlocal_lookup): Remove.
1330 (nonlocal_insert): Ditto.
1331 (create_nonlocal_var): Do not call nonlocal_insert.
1332 (get_nonlocal_id_for_type): Remove.
1333 (find_global_initializers): Mark new vars we find for renaming.
1334 (intra_create_variable_infos): Only create one nonlocal.
1335 (expand_nonlocal_solutions): Remove.
1336 (compute_points_to_sets): Don't call it.
1337 (ipa_pta_execute): Ditto.
1338 (init_alias_heapvars): Don't create nonlocal_for_type.
1339 (delete_alias_heapvars): Don't remove it.
1340 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1343 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1345 * doc/install.texi (Downloading GCC): Clarify mention of
1346 Fortran in the "full distribution" description.
1348 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1350 Fix PR tree-optimization/28778
1351 Fix PR tree-optimization/29156
1352 Fix PR tree-optimization/29415
1353 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1354 (tree_decl_with_vis): Add artificial_pta_var flag.
1355 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1356 pushed into callers.
1357 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1358 (nonlocal_all): Ditto.
1359 (struct variable_info): Add directly_dereferenced member.
1360 (var_escaped_vars): New variable.
1361 (escaped_vars_tree): Ditto.
1362 (escaped_vars_id): Ditto.
1363 (nonlocal_vars_id): Ditto.
1364 (new_var_info): Set directly_dereferenced.
1365 (graph_size): New variable
1366 (build_constraint_graph): Use graph_size.
1367 (solve_graph): Don't process constraints that cannot change the
1368 solution, don't try to propagate an empty solution to our
1370 (process_constraint): Set directly_dereferenced.
1371 (could_have_pointers): New function.
1372 (get_constraint_for_component_ref): Don't process STRING_CST.
1373 (nonlocal_lookup): New function.
1374 (nonlocal_insert): Ditto.
1375 (create_nonlocal_var): Ditto.
1376 (get_nonlocal_id_for_type): Ditto.
1377 (get_constraint_for): Allow results vector to be empty in the case
1378 of string constants.
1379 Handle results of calls properly.
1380 (update_alias_info): Update alias info stats on number and type of
1382 (find_func_aliases): Use could_have_pointers.
1383 (make_constraint_from_escaped): Renamed from
1384 make_constraint_to_anything, and changed to make constraints from
1386 (make_constraint_to_escaped): New function.
1387 (find_global_initializers): Ditto.
1388 (create_variable_info_for): Make constraint from escaped to any
1389 global variable, and from any global variable to the set of
1391 (intra_create_variable_infos): Deal with escaped instead of
1392 pointing to anything.
1393 (set_uids_in_ptset): Do type pruning on directly dereferenced
1395 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1396 (init_base_vars): Fix comment, and initialize escaped_vars.
1397 (need_to_solve): Removed.
1398 (find_escape_constraints): New function.
1399 (expand_nonlocal_solutions): Ditto.
1400 (compute_points_to_sets): Call find_escape_constraints and
1401 expand_nonlocal_solutions.
1402 (delete_points_to_sets): Don't fall off the end of the graph.
1403 (init_alias_heapvars): Initialize nonlocal_for_type and
1405 (delete_alias_heapvars): Free nonlocal_for_type and null out
1408 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1410 * fold-const.c (add_double): Rename to add_double_with_sign.
1411 Add 'unsigned_p' parameter and take it into account for the overflow.
1412 (mul_double): Rename to mul_double_with_sign.
1413 Add 'unsigned_p' parameter and take it into account for the overflow.
1414 (fold_div_compare): Call add_double_with_sign instead of add_double
1415 and mul_double_with_sign instead of mul_double, passing them the
1416 unsignedness of the type.
1417 * tree.h (add_double): Macroize.
1418 (add_double_with_sign): New prototype.
1419 (mul_double): Macroize.
1420 (mul_double_with_sign): New prototype.
1422 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1424 * config/score/crti.asm: New file.
1425 * config/score/crtn.asm: New file.
1426 * config/score/elf.h: New file.
1427 * config/score/mac.md: New file.
1428 * config/score/misc.md: New file.
1429 * config/score/mul-div.S: New file.
1430 * config/score/predicates.md: New file.
1431 * config/score/score7.md: New file.
1432 * config/score/score.c: New file.
1433 * config/score/score-conv.h: New file.
1434 * config/score/score.h: New file.
1435 * config/score/score.md: New file.
1436 * config/score/score-mdaux.c: New file.
1437 * config/score/score-mdaux.h: New file.
1438 * config/score/score-modes.def: New file.
1439 * config/score/score.opt: New file.
1440 * config/score/score-protos.h: New file.
1441 * config/score/score-version.h: New file.
1442 * config/score/t-score-elf: New file.
1443 * config.gcc: Add score*-*-* configurations(Update before).
1444 * doc/invoke.texi (Score Options): New section.
1445 * doc/md.texi (Score family): New section to document constraints.
1447 2006-10-19 Nick Clifton <nickc@redhat.com>
1449 * config/arm/arm.c: Fix spelling typo.
1451 2006-10-18 Tom Tromey <tromey@redhat.com>
1453 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1455 2006-10-18 Jan Hubicka <jh@suse.cz>
1458 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1461 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1463 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1464 TSI_SAME_STMT, since that's the desired entity.
1466 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1468 * config/s390/contraints.md: New file.
1469 * config/s390/s390-protos.h (s390_mem_constraint,
1470 s390_O_constraint_str, s390_N_constraint_str,
1471 s390_float_const_zero_p): Function prototypes added.
1472 * config/s390/s390.c (s390_extra_constraint_str,
1473 s390_const_double_ok_for_constraint_p,
1474 s390_const_ok_for_constraint_p): Functions removed.
1475 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1476 s390_float_const_zero_p): New functions.
1477 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1478 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1479 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1480 Macro definitions removed.
1481 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1482 s390_extra_constraint_str): Functions removed.
1484 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1485 Richard Sandiford <richard@codesourcery.com>
1488 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1489 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1491 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1493 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1494 (DWARF2_FRAME_REG_OUT): Likewise.
1495 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1496 (DWARF2_FRAME_REG_OUT): Likewise.
1498 2006-10-17 Paul Brook <paul@codesourcery.com>
1500 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1502 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1504 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1505 Standardize on "GNU Fortran" as the official name of the Fortran
1508 2006-10-16 Mike Stump <mrs@apple.com>
1510 * doc/invoke.texi (Darwin Options): Document -mkernel.
1511 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1513 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1514 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1515 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1516 (OS_MISSING_ALTIVEC): Add.
1517 * config/i386/i386.c (override_options): Add
1518 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1519 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1520 -mkernel, -static or -mdynamic-no-pic is given.
1521 (C_COMMON_OVERRIDE_OPTIONS): Add.
1522 * config/darwin.opt (fapple-kext): Add.
1524 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1525 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1527 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1528 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1529 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1530 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1531 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1532 (flag_mkernel): Add.
1533 (flag_apple_kext): Add.
1534 (TARGET_KEXTABI): Add.
1535 * config/darwin.c (darwin_handle_kext_attribute): Add.
1536 (DARWIN_VTABLE_P): Add.
1537 (darwin_binds_local_p): Add partial support for rebinding vtables
1539 (darwin_kextabi_p): Add.
1540 (darwin_override_options): Add.
1541 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1542 (darwin_kextabi_p): Add.
1543 (darwin_override_options): Add.
1544 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1545 __DYNAMIC__ and __STATIC__ here.
1547 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1549 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1550 Added mention of "make pdf" target, and Texinfo requirements for
1553 2006-10-16 DJ Delorie <dj@redhat.com>
1555 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1556 into the GOT in case we need a subreg of the address.
1558 2006-10-16 Richard Guenther <rguenther@suse.de>
1561 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1562 SSE builtin documentation. Document SSE2 builtins.
1564 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1566 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1567 symbol in the output file for non-shared links when -nostdlib or
1568 -nodefaultlibs isn't specified.
1570 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1571 posix thread support.
1573 2006-10-15 Jan Hubicka <jh@suse.cz>
1576 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1577 declared always_inline even when not inlining.
1579 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1580 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1581 Andrew Pinski <pinskia@gmail.com>
1584 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1586 2006-10-15 Jan Hubicka <jh@suse.cz>
1587 Richard Guenther <rguenther@suse.de>
1590 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1591 process_function_and_variable_attributes on all variables, including
1592 those discovered during cgraph construction phase.
1594 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1596 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1598 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1600 * config/i386/athlon.md (athlon_fist): Add fisttp.
1602 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1603 Ian Lance Taylor <ian@airs.com>
1606 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1607 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1610 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1612 * config/score/score.c, config/score/score.h: Fix comment
1615 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1618 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1621 2006-10-13 Eric Christopher <echristo@apple.com>
1623 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1625 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1628 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1629 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1630 alignment supported by 32-bit ELF.
1632 2006-10-13 Eric Christopher <echristo@apple.com>
1634 * config/darwin.c (darwin_emit_unwind_label): Strip
1635 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1637 2006-10-13 Richard Guenther <rguenther@suse.de>
1639 PR tree-optimization/29446
1640 * tree-vrp.c (fix_equivalence_set): Remove.
1641 (extract_range_from_assert): Do not call fix_equivalence_set.
1642 (debug_value_range): Print a newline.
1643 (compare_name_with_value): For equivalence sets with
1644 inconsistent value ranges conservatively bail out.
1645 (compare_names): Likewise.
1647 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1649 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1650 and MPFR for gfortran.
1652 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1654 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1655 alignment supported by 32-bit ELF.
1657 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1661 * c-typeck.c (digest_init): Always allow initializing vectors
1662 that have static storage duration with compound literals.
1663 * tree.c (build_type_attribute_qual_variant): New, based on
1664 build_type_attribute_variant.
1665 (build_type_attribute_variant): Rewrite using the former.
1666 (make_vector_type): Use build_type_attribute_qual_variant to build
1667 type variants. Use type_hash_canon on the others.
1669 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1670 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1672 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1674 2006-10-12 Jan Hubicka <jh@suse.cz>
1677 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1678 current_function_decl is set but current_function_scope is not.
1680 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1682 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1683 emit_insn to emit eh_return_internal instruction.
1684 (eh_return_internal): Explicitly set pc.
1686 2006-10-11 Richard Guenther <rguenther@suse.de>
1688 PR tree-optimization/28230
1689 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1690 to the correct place.
1692 2006-10-11 Richard Guenther <rguenther@suse.de>
1695 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1698 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1700 * configure.ac: Added pdf to "Make-hooks"
1701 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1702 targets and *.pdf file patterns in cleanup targets.
1703 * configure: Regenerated.
1705 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1707 * config/avr/predicates.md: New file.
1708 * config/avr/avr.md: Include it.
1709 (REG_SP): New constant.
1710 (peepholes): Use predicates.
1711 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1712 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1713 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1715 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1717 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1720 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1723 * builtins.c (var_decl_component_p): New function.
1724 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1725 single entry optimization to variables and components thereof.
1727 2006-10-10 Richard Guenther <rguenther@suse.de>
1729 PR rtl-optimization/29323
1730 * except.c (set_nothrow_function_flags): For functions
1731 that do not bind local bail out early.
1733 2006-10-10 Ben Elliston <bje@au.ibm.com>
1735 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1738 2006-10-09 Richard Henderson <rth@redhat.com>
1740 Revert emutls patch.
1742 2006-10-09 Richard Guenther <rguenther@suse.de>
1745 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1748 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1751 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1752 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1753 * configure: Regenerate.
1754 * config.in: Regenerate.
1756 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1758 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1760 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1762 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1763 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1764 Remove stray newline.
1766 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1768 * config/mips/mips.c (mips_classify_symbol): Do not return
1769 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1770 (mips_in_small_data_p): Tweak comments.
1772 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1774 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1776 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1778 * gimplify.c, sched-int.h: Fix comment typos.
1780 * sched-int.h: Fix comment typos.
1782 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1784 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1786 * sched-ebb.c (begin_schedule_ready): Use them.
1787 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1788 add_to_speculative_block, create_check_block_twin, speculate_insn,
1789 fix_jump_move, move_block_after_check): Ditto.
1790 * sched-rgn.c (new_ready): Ditto.
1792 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1794 PR rtl-optimization/29128
1795 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1796 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1797 allow interblock movement of speculation checks.
1799 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1802 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1803 casted to integer type.
1804 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1805 if they are significantly more expensive than [reg + index] ones.
1807 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1809 PR tree-optimization/29330
1810 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1811 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1812 on newly allocated ddrs.
1813 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1814 to VEC (loop_p, heap) pointer.
1815 (compute_data_dependences_for_loop): Adjust caller.
1816 (free_dependence_relations): Free DDR_LOOP_NEST.
1818 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1819 free DEPENDENCE_RELATIONS and DATAREFS.
1822 * builtins.c (expand_builtin_sync_operation,
1823 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1824 Use convert_to_mode to handle promoted arguments.
1826 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1828 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1830 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1832 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1834 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1836 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1837 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1838 Use <modeconstraint> instead of "r" as operand 1 constraint.
1840 2006-10-06 Olivier Hainque <hainque@adacore.com>
1842 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1843 Don't recurse on the pointed-to type.
1844 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1845 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1846 types with components of variable size.
1848 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1850 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1852 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1854 PR tree-optimization/29290
1855 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1859 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1860 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1863 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1864 the number of vector elements fill the rest with zeros.
1866 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1868 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1869 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1872 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1874 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1875 unnamed pattern into subsi3. Use correct constraints/predicates.
1876 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1877 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1879 2006-10-05 Ira Rosen <irar@il.ibm.com>
1881 * doc/loop.texi: Add data references analysis description.
1883 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1885 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1887 2006-10-04 Richard Henderson <rth@redhat.com>
1888 Jakub Jelinek <jakub@redhat.com>
1890 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1891 * builtin-types.def (BT_WORD): Make unsigned.
1892 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1893 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1894 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1895 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1896 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1897 * cgraph.c (decide_is_variable_needed): Look at force_output.
1898 Recurse for emulated tls.
1899 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1900 checks redundant with decide_is_variable_needed.
1901 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1902 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1904 * expr.c (emutls_var_address): New.
1905 (expand_expr_real_1): Expand emulated tls.
1906 (expand_expr_addr_expr_1): Likewise.
1907 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1908 * output.h (emutls_finish): Declare.
1909 * toplev.c (compile_file): Call it.
1910 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1911 address before wrapping in CONST.
1912 * varasm.c (emutls_htab, emutls_object_type): New.
1913 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1914 (get_emutls_object_name, get_emutls_object_type): New.
1915 (get_emutls_init_templ_addr, emutls_decl): New.
1916 (emutls_common_1, emutls_finish): New.
1917 (assemble_variable): When emulating tls, swap decls; generate
1918 constructor for the emutls objects.
1919 (do_assemble_alias): When emulating tls, swap decl and target name.
1920 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1922 * emutls.c: New file.
1923 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1924 tls_object for real tls.
1926 2006-10-04 Zack Weinberg <zackw@panix.com>
1928 Fix bug in constraint-check generator, reported by Rask Ingemann
1930 * genpreds.c (add_constraint): Don't remove anything from the
1932 (write_tm_constrs_h): Detect whether "op" argument is used, and
1933 mark it ARG_UNUSED if it isn't.
1934 (write_insn_const_int_ok_for_constraint): Skip the part of the
1935 expression that would test whether "op" (which is not available
1936 here) is a CONST_INT.
1938 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1941 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1943 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1945 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1946 current Leopard versions.
1947 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1949 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1951 * doc/install.texi: Fix typos.
1953 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1955 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1956 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1957 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1959 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1961 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1962 arg to be struct mach_header_64* instead.
1964 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1967 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1968 side effects after the outer expression's post side effects.
1970 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1972 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1973 comments to reflect actual behavior and relationship between
1974 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1976 * doc/c-tree.texi (Working with declarations): Fix documentation
1977 of FIELD_DECL likewise.
1979 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1982 * doc/extend.texi: Add used variable attribute description.
1984 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1987 * c.opt (Woverride-init): New.
1988 * c-opts.c (c_common_post_options): Default warn_override_init to
1990 * c-typeck.c (add_pending_init, output_init_element): Warn for
1991 overriding initializers without side effects.
1992 * doc/invoke.texi (-Woverride-init): Document.
1995 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1997 PR rtl-optimization/28096
1998 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1999 assignment has already been used as a destination earlier in the block.
2001 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2003 * builtins.c (expand_builtin_setjmp): Delete.
2004 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2005 <BUILT_IN_SETJMP_SETUP>: New case.
2006 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2007 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2008 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2009 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2010 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2011 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2012 (lower_function_body): Initialize it to false. If it is set to true
2013 at the end of the processing, emit the setjmp dispatcher.
2014 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2015 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2016 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2017 on the rhs of the assignment.
2018 (lower_builtin_setjmp): New function.
2019 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2020 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2021 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2022 to detect calls that can go to non-local labels. Use specific
2023 helper to create the abnormal edges associated with them.
2024 <MODIFY_EXPR>: Likewise.
2025 (make_abnormal_goto_edges): New function extracted from...
2026 (make_goto_expr_edges): ...here. Call it for computed gotos.
2027 (simple_goto_p): Minor tweak.
2028 (tree_can_make_abnormal_goto): New predicate.
2029 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2030 (tree_purge_dead_abnormal_call_edges): New function.
2031 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2032 (tree_purge_dead_abnormal_call_edges): Likewise.
2033 (make_abnormal_goto_edges): Likewise.
2034 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2035 Purge all dead abnormal edges if the call was in the last statement.
2036 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2037 (execute_fixup_cfg): If there are non-local labels in the function,
2038 scan the basic blocks and split them at calls that can go to non-local
2039 labels or add missing abnormal call edges. Write down the CFG in the
2041 (pass_fixup_cfg): Remove TODO_dump_func flag.
2042 * unwind-sjlj.c: Poison setjmp.
2043 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2044 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2045 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2046 (DONT_USE_BUILTIN_SETJMP): Document it.
2048 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2051 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2052 to 1 when __ppc64__ is defined.
2053 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2055 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2057 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2059 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2060 * config/ia64/unwind-hpux.c: Delete.
2062 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2064 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2065 on the element before gimplifying it, instead of punting if it is of
2068 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2070 * doc/loop.texi: New file.
2071 * doc/gccint.texi: Reference loop.texi.
2072 * Makefile.in (loop.texi): Add.
2074 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2076 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2078 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2079 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2081 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2083 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2085 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2087 * doc/install.texi: Document required versions of GMP and MPFR.
2089 2006-09-27 Paul Brook <paul@codesourcery.com>
2092 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2094 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2096 * reload1.c (alter_reg): Require the alignment of the stack slot to
2097 be at least reg_max_ref_width bytes.
2098 (scan_paradoxical_subregs): Record the largest width in
2101 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2105 * tree-nested.c (struct nesting_info): Added static_chain_added.
2106 (convert_call_expr): Set static_chain_added when adding static
2107 chain. Handle OMP_PARALLEL and OMP_SECTION.
2109 2006-09-25 Matthias Klose <doko@debian.org>
2111 * doc/invoke.texi: Add missing full stop.
2113 2006-09-25 Richard Henderson <rth@redhat.com>
2115 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2116 before cgraph_function_flags_ready.
2118 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2119 Adam Nemet <anemet@caviumnetworks.com>
2121 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2122 determine_common_wider_type): New functions.
2123 (get_computation_aff): Use them to simplify arithmetic between
2124 UBASE and CBASE if they are shortened from the same type.
2126 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2129 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2130 -2147483647 - 1 instead of 0x80000000.
2132 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2134 * flags.h (HONOR_NANS): Fix typo in comment.
2136 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2138 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2140 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2144 * tree.c (merge_attributes, attribute_list_contained): If both
2145 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2147 * c-typeck.c (comptypes_internal): Don't consider aggregates
2148 in different TUs as compatible if there one set of attributes is
2149 not a subset of the other type's attributes.
2150 (composite_type): Try harder not to create a new aggregate type.
2152 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2154 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2155 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2156 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2157 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2158 than replicating condition above.
2159 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2161 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2162 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2163 the linker by default.
2165 2006-09-22 Mike Stump <mrs@apple.com>
2167 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2170 2006-09-22 Richard Guenther <rguenther@suse.de>
2173 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2174 sort of stack variables stable.
2176 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2179 * explow.c (force_reg): Set REG_POINTER flag according to
2182 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2184 PR tree-optimization/28888
2185 * tree-if-conv.c (combine_blocks): Rewritten.
2186 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2187 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2189 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2191 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2194 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2196 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2198 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2200 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2202 2006-09-21 Roger Sayle <roger@eyesopen.com>
2205 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2206 dw_fde_current_label, to be the start of the function, i.e. the same
2207 value as dw_fde_begin.
2209 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2211 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2212 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2213 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2214 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2215 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2216 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2217 (abs<mode>2, neg<mode>2): Likewise.
2218 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2219 (*mips_abs_ps): New define_insn.
2221 2006-09-20 Josh Conner <jconner@apple.com>
2224 * calls.c (expand_call): Allow reuse of structure return stack
2227 2006-09-20 Paul Brook <paul@codesourcery.com>
2229 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2232 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2234 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2235 clean up terminology.
2237 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2240 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2241 with tablejumps in them.
2243 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2246 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2247 wrap it into TARGET_EXPR.
2249 2006-09-20 Eric Christopher <echristo@apple.com>
2251 * config/i386/i386.c (x86_fisttp): Remove.
2252 * config/i386/i386.h (x86_fisttp): Ditto.
2253 (TARGET_FISTTP): Ditto.
2255 2006-09-19 Eric Christopher <echristo@apple.com>
2257 * doc/tm.texi (OBJC_JBLEN): Describe.
2258 * config/i386/darwin.h (OBJC_JBLEN): Define.
2259 * config/rs6000/darwin.h: Ditto.
2261 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2263 PR rtl-optimization/21299
2264 * reload1.c (reload): Purge invalid ASMs in the final pass.
2266 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2269 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2270 pointers as legitimate constants.
2272 2006-09-19 Paul Brook <paul@codesourcery.com>
2275 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2277 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2279 PR tree-optimization/28887
2280 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2281 component parts from the reference.
2282 (gather_memory_references_ref): Record the reference without the
2283 nonaddressable component parts.
2285 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2288 * c-opts.c (c_common_handle_option): Ignore the -std options
2289 if the input language is assembly.
2291 2006-09-17 Ira Rosen <irar@il.ibm.com>
2294 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2296 (ptr_ptr_may_alias_p): Likewise.
2297 (record_record_differ_p): New function.
2298 (base_object_differ_p): Call record_record_differ_p.
2300 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2303 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2304 away for the expr argument.
2306 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2309 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2310 before using it for dumping after vectorizing loops.
2312 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2313 Jack Howarth <howarth@bromo.med.uc.edu>
2316 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2317 skip on error_mark_node.
2318 (rs6000_darwin64_record_arg_recurse): Likewise.
2320 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2322 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2323 * doc/rtl.texi: Remove related documentation.
2325 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2327 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2330 2006-09-15 Jim Wilson <wilson@specifix.com>
2332 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2333 Handle symbol offsets same as they are handled in ia64_expand_move
2336 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2338 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2339 Add forgotten parameter to the fprintf call.
2341 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2343 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2345 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2347 * doc/contrib.texi: Add my entry.
2349 2006-09-15 Nick Clifton <nickc@redhat.com>
2351 * doc/md.texi (Processor pipeline description): Fix typo in
2352 example of how to use the absence_set directive and reword the
2353 description to make it slightly easier to read.
2355 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2357 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2358 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2359 expanding the number of iterations.
2360 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2362 * cfgrtl.c (emit_insn_at_entry): New function.
2363 * rtl.h (emit_insn_at_entry): Declare it.
2364 * integrate.c (emit_initial_value_sets): Use it.
2366 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2368 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2370 (struct loop_work and related VEC declarations): Delete.
2371 (bfin_dump_loops): Print out new member bad.
2372 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2373 (bfin_scan_loop): Don't recurse.
2374 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2375 loops. No longer need to update outer loops if the current one is
2376 found bad. Move some validitiy checks to bfin_discover_loop.
2377 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2378 but changed not to check for nesting. Also changed to use the new bad
2380 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2381 time. Use bitmap based test to discover loop nesting.
2383 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2385 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2388 2006-09-14 Richard Guenther <rguenther@suse.de>
2389 Kazu Hirata <kazu@codesourcery.com>
2391 PR middle-end/28884.
2392 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2393 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2394 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2395 with TARGET_FUNCTION_VALUE.
2397 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2400 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2402 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2404 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2407 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2410 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2413 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2415 * basic_block.h (bb_has_eh_pred): Fix comment.
2417 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2419 * flow.c (calculate_global_regs_live): Invalidate eh registers
2420 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2421 (propagate_block): Handle eh registers as if they were set at basic
2423 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2425 * global.c (global_conflicts): Make eh registers to conflict with
2426 pseudos live at basic block begin.
2427 * basic_block.h (bb_has_eh_pred): New function.
2429 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2431 PR rtl-optimization/28982
2432 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2433 index of a PRE_MODIFY or POST_MODIFY address.
2434 * reload1.c (inc_for_reload): Use find_replacement on the original
2435 base and index registers.
2437 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2439 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2440 for -Os. Update __m128 alignment requirement.
2442 2006-09-13 Jan Hubicka <jh@suse.cz>
2444 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2446 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2448 PR rtl-optimization/28243
2449 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2450 the insn to which the note was originally attached.
2452 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2453 Roger Sayle <roger@eyesopen.com>
2455 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2456 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2457 on platforms that don't use dwarf for debug info.
2459 2006-09-12 Jason Merrill <jason@redhat.com>
2462 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2463 hard_frame_pointer_rtx after using it to update the frame pointer.
2465 2006-09-12 Roger Sayle <roger@eyesopen.com>
2467 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2468 (TARGET_ASM_CLOSE_PAREN): Likewise.
2469 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2470 (TARGET_ASM_CLOSE_PAREN): Likewise.
2472 2006-09-12 Roger Sayle <roger@eyesopen.com>
2475 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2476 frame information for frames larger than 512 Kbytes on Tru64 when
2477 using the native assembler.
2479 2006-09-12 Roger Sayle <roger@eyesopen.com>
2483 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2484 and symbols. Instead use the implementation from cse.c's hash_rtx.
2486 2006-09-12 Jan Hubicka <jh@suse.cz>
2488 PR rtl-optimization/28071
2489 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2490 (vect_transform_loop): Likewise.
2491 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2492 (new_loop_vec_info): Likewise.
2493 (destroy_loop_vec_info): Likewise.
2494 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2495 (create_stmt_ann): Likewise.
2496 (create_tree_ann): Rename to ...
2497 (create_tree_common_ann): ... this one; allocate only the common part
2499 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2500 (get_value_handle): Likewise.
2501 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2502 get_tree_common_ann.
2503 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2504 (vinfo_for_stmt): Use stmt annotations.
2505 * tree-flow.h (tree_ann_common_t): New type.
2506 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2507 (tree_ann, get_tree_ann, create_tree_ann): New.
2508 * tree-flow-inline.h (get_function_ann): Do more type checking.
2509 (stmt_ann): Likewise.
2510 (tree_ann): Rename to ...
2511 (tree_common_ann): ... this one; return ony common_ann
2512 (get_tree_ann): Rename to ...
2513 (tree_common_ann): This one; return only common_ann.
2514 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2517 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2519 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2520 with_cpu by default.
2522 * dwarf2out.c (dwarf_file_data): New.
2523 (enum dw_val_class): Add dw_val_class_file.
2524 (struct dw_val_struct): Add val_file.
2525 (file_table): Change to a hash table.
2526 (file_table_emitted): Delete.
2527 (file_table_last_lookup_index): Delete.
2528 (emitcount): Delete.
2529 (last_emitted_file): New.
2530 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2531 (init_file_table): Delete.
2532 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2533 (AT_addr): Add comment.
2537 (print_die): Handle dw_val_class_file.
2538 (print_dwarf_line_table): Update for new file table structure.
2539 (attr_checksum): Do checksum a filename.
2540 (same_dw_val_p, same_attr_p): Do compare a filename.
2541 (size_of_die): Handle dw_val_class_file.
2542 (value_format): Likewise.
2543 (output_die): Likewise. Also, call maybe_emit_file here.
2544 (struct file_info): Constify filenames. Make file_idx a pointer
2545 to a struct dwarf_file_data.
2546 (struct dir_info): Constify directory names. Remove 'used' field.
2547 (struct file_name_acquire_data): New.
2548 (file_name_acquire): New.
2549 (output_file_names): Modify to handle new file data structures.
2550 (add_src_coords_attributes): Use add_AT_file.
2551 (add_call_src_coords_attributes): Likewise.
2552 (dwarf2out_imported_module_or_decl): Likewise.
2553 (gen_subprogram_die): Modify for new file data structures.
2554 (gen_variable_die): Likewise.
2555 (file_table_eq): New.
2556 (file_table_hash): New.
2557 (file_table_last_lookup): New.
2558 (lookup_filename): Rewrite to handle new file data structures.
2559 (maybe_emit_file): Rewrite to handle new file data structures.
2560 (dwarf2out_source_line): Always call lookup_filename and
2562 (dwarf2out_init): Create file_table here.
2563 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2564 (file_table_relative_p): New.
2565 (dwarf2out_finish): Change detection of relative filenames
2566 to work with new file data structures. Move output_line_info call
2567 after debug_info output.
2569 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2574 * config/i386/i386.c (override_options): Always default to 16
2575 byte stack boundary.
2577 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2580 * var-tracking.c (dump_dataflow_set): Start dumping at
2582 (clobber_variable_part): Kill only the variable part in
2583 registers holding it, leaving other variables alone.
2585 2006-09-11 Josh Triplett <josh@freedesktop.org>
2587 * doc/extend.texi (Other Builtins): Actually use the macro
2588 argument in the documentation example for
2589 __builtin_types_compatible_p.
2591 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2593 PR rtl-optimization/28726
2594 * sched-deps.c (sched_analyze_reg): New function extracted from...
2595 (sched_analyze_1): ...here. Call it to analyze references to
2596 registers. Treat again writes to a stack register as writing to the
2598 (sched_analyze_2): ...and here. Call it to analyze references to
2599 registers. Treat again reads of a stack register as reading the
2602 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2603 David Edelsohn <edelsohn@gnu.org>
2606 * config/rs6000/spe.md (frob_df_di): Remove %H.
2607 (frob_di_df): Remove %H. Change evmergelo to mr.
2608 (frob_di_df_2): Remove %H. Change evldd to two loads.
2610 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2612 * doc/cpp.texi: Fix names of charset options.
2614 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2617 * config/i386/i386.c (override_options): Use 128-bit
2618 stack boundary always for 64bits.
2620 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2622 PR rtl-optimization/28636
2623 * combine.c (force_to_mode): Test for side-effects before
2624 substituting by zero.
2625 (simplify_shift_const): Likewise for zero or other constants.
2627 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2630 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2633 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2636 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2637 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2638 returned by mode_for_size, rather than the mode of src itself,
2639 to choose between 32-bit and 64-bit patterns.
2640 (mips_mem_fits_mode_p): New function.
2641 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2642 that the size of the source matches the size of the destination.
2643 (mov_<store>l, mov_<store>r): Likewise.
2645 2006-09-10 Eric Christopher <echristo@apple.com>
2647 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2650 2006-09-09 Eric Christopher <echristo@apple.com>
2653 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2656 2006-09-09 Roger Sayle <roger@eyesopen.com>
2657 Nicolas Setton <setton@adacore.com>
2659 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2661 2006-09-10 Andreas Schwab <schwab@suse.de>
2663 * config/m68k/m68k.md (bungt_rev): New pattern.
2665 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2666 Dale Johannesen <dalej@apple.com>
2669 * regclass.c (struct reg_pref): Update documentation.
2670 (regclass): Set prefclass to NO_REGS if memory is the best option.
2671 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2673 2006-09-08 Eric Christopher <echristo@apple.com>
2675 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2676 * config/t-slibgcc-darwin: Support x86_64 multilib.
2677 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2678 Return 1 for x86_64-darwin.
2679 * config/i386/t-darwin: Add m64 multilib.
2680 (LIB2_SIDITI_CONV_FUNCS): Use.
2681 (LIB2FUNCS_EXTRA): Ditto.
2682 * config/i386/darwin.h: Support x86_64.
2683 * config/i386/i386.c (override_options): Turn on flag_pic
2684 for x86_64-darwin. Disable flag_omit_pointer.
2685 (get_pc_thunk_name): Assert !TARGET_64BIT.
2686 (legitimate_address_p): Disable machopic addressing for
2688 (legitimize_pic_address): Ditto.
2689 (ix86_expand_move): Ditto.
2690 (ix86_expand_call): Ditto.
2691 (machopic_output_stub): Ditto.
2692 * config/darwin.c (machopic_select_section): Support literal16.
2693 (machopic_select_rtx_section): Ditto.
2694 * config/darwin-sections.def: Ditto.
2695 * config/darwin-64.c: New.
2697 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2700 * c-tree.h (struct c_arg_info): Add pending_sizes.
2701 * c-parser.c (c_parser_parms_declarator,
2702 c_parser_parms_list_declarator): Initialize pending_sizes.
2703 * c-decl.c (get_parm_info): Initialize pending_sizes.
2704 (get_parm_info): Set pending_sizes.
2705 (grokdeclarator): Call put_pending_sizes for parameters for
2706 function definition only.
2708 2006-09-07 Jason Merrill <jason@redhat.com>
2711 * varasm.c (output_constant): Only strip actual no-op conversions.
2714 * config/i386/i386.c (override_options): Use 128-bit
2715 stack boundary if -msse.
2717 2006-09-07 Eric Christopher <echristo@apple.com>
2719 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2721 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2724 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2726 * dwarf2out.c: Remove strange characters from comment above
2727 dwarf2out_frame_debug_expr.
2729 2006-09-07 Eric Christopher <echristo@apple.com>
2731 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2732 * config/darwin.h: ... to here.
2734 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2736 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2738 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2739 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2741 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2742 TARGET_PARTIAL_FLAG_REG_STALL.
2743 (*ashldi3_cconly_rex64): Likewise.
2744 (*ashlsi3_cmp): Likewise.
2745 (*ashlsi3_cconly): Likewise.
2746 (*ashlsi3_cmp_zext): Likewise.
2747 (*ashlhi3_cmp): Likewise.
2748 (*ashlhi3_cconly): Likewise.
2749 (*ashlqi3_cmp): Likewise.
2750 (*ashlqi3_cconly): Likewise.
2751 (*ashrdi3_cmp_rex64): Likewise.
2752 (*ashrdi3_cconly_rex64): Likewise.
2753 (*ashrsi3_cmp): Likewise.
2754 (*ashrsi3_cconly): Likewise.
2755 (*ashrsi3_cmp_zext): Likewise.
2756 (*ashrhi3_cmp): Likewise.
2757 (*ashrhi3_cconly): Likewise.
2758 (*ashrqi3_cmp): Likewise.
2759 (*ashrqi3_cconly): Likewise.
2760 (*lshrdi3_cmp_rex64): Likewise.
2761 (*lshrdi3_cconly_rex64): Likewise.
2762 (*lshrsi3_cmp): Likewise.
2763 (*lshrsi3_cconly): Likewise.
2764 (*lshrsi3_cmp_zext): Likewise.
2765 (*lshrhi3_cmp): Likewise.
2766 (*lshrhi3_cconly): Likewise.
2767 (*lshrqi2_cmp): Likewise.
2768 (*lshrqi2_cconly): Likewise.
2770 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2773 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2774 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2775 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2776 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2777 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2778 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2779 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2780 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2781 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2782 implement only CC setting effects of shift instructions.
2784 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2786 * doc/contrib.texi: Add myself.
2788 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2791 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2792 was set by the user.
2794 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2797 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2798 (divsi_inv_m1): Use them.
2799 (UNSPEC_DIV_INV_TABLE): New constant.
2801 2006-09-06 James E Wilson <wilson@specifix.com>
2804 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2805 then call count_or_remove_death_notes.
2807 2006-09-06 Jason Merrill <jason@redhat.com>
2810 * tree-inline.c (copy_result_decl_to_var): New fn.
2811 (declare_return_variable): Use it. Call declare_inline_vars here.
2812 (expand_call_inline): Not here.
2814 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2816 * doc/contrib.texi: Update my entry.
2818 2006-09-06 Nick Clifton <nickc@redhat.com>
2820 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2822 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2825 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2826 (canonicalize_induction_variables): Likewise.
2827 (tree_unroll_loops_completely): Likewise.
2828 (tree_ssa_prefetch_arrays): Likewise.
2829 (remove_empty_loops): Likewise.
2830 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2831 TODO_cleanup_cfg instead of directly calling
2832 cleanup_tree_cfg_loop.
2833 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2835 (tree_unroll_loops_completely): Likewise.
2836 (remove_empty_loops): Likewise.
2837 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2838 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2839 of tree_ssa_unswitch_loops.
2840 (tree_ssa_loop_ivcanon): Use the return value of
2841 canonicalize_induction_variables.
2842 (tree_ssa_empty_loop): Use the return value of
2844 (tree_complete_unroll): Use the return value of
2845 tree_unroll_loops_completely.
2846 (tree_ssa_loop_prefetch): Use the return value of
2847 tree_ssa_prefetch_arrays.
2848 * passes.c (execute_todo): Before Cleanup CFG, set
2849 updating_used_alone and after cleanup CFG, call
2850 recalculate_used_alone.
2852 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2855 * tree-vect-transform.c (vectorizable_condition): Move the check
2856 for the type after the check for simple condition.
2858 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2859 Kaz Kojima <kkojima@gcc.gnu.org>
2862 * mode-switching.c (optimize_mode_switching): Make the destination
2863 block of an abnormal edge have no anticipatable mode. Don't
2864 insert mode switching code at the end of the source block of
2867 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2869 PR rtl-optimization/26847
2870 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2871 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2872 (simplify_plus_minus): Count n_constants while filling ops. Replace
2873 qsort with insertion sort. Before going through the array to simplify
2874 pairs, sort it. Delay early exit until after the first sort, exiting
2875 only if no swaps occurred. Simplify pairs in reversed order, without
2876 special-casing the first iteration. Pack ops after simplifying pairs.
2878 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2880 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2881 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2882 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2883 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2885 2006-09-05 Richard Guenther <rguenther@suse.de>
2887 PR tree-optimization/28900
2888 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2889 compound conditional before creating COND_EXPR condition.
2891 2006-09-05 Richard Guenther <rguenther@suse.de>
2893 PR tree-optimization/28905
2894 * tree-vrp.c (fix_equivalence_set): Manually implement
2895 !value_ranges_intersect_p to also handle symbolic ranges.
2897 2006-09-05 Richard Guenther <rguenther@suse.de>
2900 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2903 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2905 PR rtl-optimization/27616
2906 * cse.c (table_size): New static variable.
2907 (new_basic_block): Initialize it to 0.
2908 (remove_from_table): Decrement it.
2909 (insert): Increment it.
2910 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2911 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2912 fold_rtx_mem_1 if under the cap.
2913 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2914 the lookup of the equivalent expression and test for equality of the
2915 first operand of the equivalent expression before in turn looking up
2916 an equivalent constant for the second operand.
2918 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2921 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2922 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2923 pointer, instead of assuming it is possible to derive the
2924 correct args size from a call insn.
2926 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2929 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2930 (fold_builtin_mempcpy): Rename to...
2931 (fold_builtin_memory_op): ... this. Optimize one element copy
2933 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2935 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2936 (expand_builtin_memcpy, expand_builtin_mempcpy,
2937 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2938 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2939 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2940 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2942 2006-09-01 DJ Delorie <dj@redhat.com>
2944 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2945 (stzx_16): Likewise.
2946 ("stzx_24_<mode>"): Likewise.
2947 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2948 ("cmp<mode>_op"): New.
2949 (cmp<mode>): Change to expander; just save operands.
2951 (b<code>): Change to expander, emit compare here.
2952 (s<code>_op): Change to use split and expander.
2953 (s<code>_24_op): Likewise.
2954 (s<code>_<mode>): New.
2955 (s<code>_<mode>_24): New.
2956 (movqicc_<code>_<mode): New.
2957 (movhicc_<code>_<mode>): New.
2960 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2961 (m32c_pend_compare): New.
2962 (m32c_unpend_compare): New.
2963 (m32c_expand_scc): New.
2964 (m32c_expand_movcc): Emit the compare also.
2965 * config/m32c/predicates.md (mra_nopp_operand): New.
2967 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2968 Richard Guenther <rguenther@suse.de>
2969 Adam Nemet <anemet@caviumnetworks.com>
2972 * builtins.c (get_pointer_alignment): Handle more forms
2973 of base addresses that can be used to derive more precise
2974 information about alignment.
2976 2006-09-01 Jason Merrill <jason@redhat.com>
2979 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2982 * gimplify.c (voidify_wrapper_expr): Handle null type.
2984 2006-09-01 Josh Conner <jconner@apple.com>
2987 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2988 (execute_return_slot_opt): Use it.
2990 2006-08-31 Josh Conner <jconner@apple.com>
2993 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2994 returning aggregates.
2996 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2998 PR tree-optimization/28839
2999 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3000 blocks in that phi arguments appear.
3002 2006-08-31 Roger Sayle <roger@eyesopen.com>
3005 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3006 NULL, otherwise use an advance_loc4 to adjust relative to the
3008 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3009 (dwarf2out_switch_text_section): Reset the current label to avoid
3010 using advance_loc4 over section boundaries.
3012 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3015 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3016 r12 + SYMBOLIC_CONST.
3018 2006-08-30 Richard Guenther <rguenther@suse.de>
3020 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3022 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3024 PR rtl-optimization/27735
3025 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3026 Add new argument to keep track of whether an irreducible region
3027 was affected. All callers changed.
3028 (fix_irreducible_loops): Removed.
3029 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3030 flags were invalidated.
3032 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3034 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3035 instead of SF operands.
3036 (*fop_df_comm_sse): Likewise.
3037 (*fop_df_comm_i387): Likewise.
3038 (*fop_df_1_mixed): Likewise.
3039 (*fop_df_1_sse): Likewise.
3041 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3042 J"orn Rennecke <joern.rennecke@st.com>
3044 PR tree-optimization/17506
3045 * tree-ssa.c (warn_uninit): If warning about a location outside of
3046 the current function, note where the variable was declared.
3048 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3050 PR tree-optimization/28411
3051 * double-int.c (double_int_div): Use double_int_divmod.
3052 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3053 double_int_mod, double_int_smod, double_int_umod): New functions.
3054 * double-int.h (double_int_divmod, double_int_sdivmod,
3055 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3057 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3059 (get_computation_aff, get_computation_cost_at): Handle double_int
3060 return type of constant_multiple_of.
3062 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3065 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3066 an implicit conversion.
3068 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3070 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3072 2006-08-27 Roger Sayle <roger@eyesopen.com>
3074 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3077 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3079 * config/i386/crtfastmath.c: Fix a comment typo.
3081 2006-08-26 Roger Sayle <roger@eyesopen.com>
3083 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3084 temporary visit flags on CASE_LABEL_EXPRs.
3085 * c-common.c (match_case_to_enum): Add function comment. Avoid
3086 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3087 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3088 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3089 a constant, only warn if that constant value isn't handled.
3091 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3094 * input.h (restore_input_file_stack): Declare.
3095 (INPUT_FILE_STACK_BITS): Define.
3096 * toplev.c (fs_p, input_file_stack_history,
3097 input_file_stack_restored, restore_input_file_stack): New.
3098 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3099 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3100 (pop_srcloc): Don't free old state of stack.
3102 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3105 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3106 (PowerPC Type Attributes): New.
3108 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3110 * config/xtensa/xtensa.c (function_arg_boundary): New.
3111 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3113 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3114 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3116 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3119 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3122 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3124 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3125 (verify_local_live_at_start): Likewise.
3127 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3130 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3131 omp_add_variable): Treat sizes as variable whenever not
3134 2006-08-26 Richard Guenther <rguenther@suse.de>
3137 * fold-const.c (fold_binary): Fold temporary to correct
3138 type before constructing new comparison.
3140 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3143 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3144 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3146 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3149 * c-decl.c (start_function): Don't try to process prototype
3150 information from old declaration that isn't a function.
3152 2006-08-25 Jan Hubicka <jh@suse.cz>
3155 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3157 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3160 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3163 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3165 PR tree-optimization/16876
3166 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3167 exit if PARM doesn't match VALUE.
3169 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3171 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3172 literal_prefix directive.
3173 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3174 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3175 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3177 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3180 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3181 predicate to general_operand. Add 0->y and I->r alternatives.
3183 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3185 * doc/tm.texi: Fix a typo.
3186 * predict.c: Fix comment typos.
3188 2006-08-25 Nick Clifton <nickc@redhat.com>
3190 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3191 assertions of "cpu" and "machine".
3193 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3196 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3197 the access through a base which has an alias set of 0 cannot
3200 2006-08-24 Bill Wendling <wendling@apple.com>
3202 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3204 2006-08-24 Jan Hubicka <jh@suse.cz>
3206 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3208 2006-08-24 Jan Hubicka <jh@suse.cz>
3211 * cgraph.c: Fix comments.
3212 (cgraph_varpool_mark_needed_node): Mark only variables not already
3214 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3215 (cgraph_varpool_assembled_nodes_queue): New static variable.
3216 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3217 (cgraph_varpool_output_debug_info): New function.
3218 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3219 * Makefile.in: Add gt-cgraphunit.h
3221 2006-08-24 Jan Hubicka <jh@suse.cz>
3223 * predict.c (probability_reliable_p): New predicate.
3224 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3225 (predict_loops): Do not predict loop exit with less than 2%
3227 * basic-block.h (edge_probability_reliable_p,
3228 br_prob_note_reliable_p): Declare.
3229 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3230 prediction when static predictor is not reliable.
3231 * rs6000.c (output_cbranch): Likewise.
3233 2006-08-23 Stuart Hastings <stuart@apple.com>
3236 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3237 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3239 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3242 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3243 complex values, nor for generic vector values.
3245 2006-08-22 Richard Guenther <rguenther@suse.de>
3248 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3249 parameter. Convert arguments to arithmetic expression to the
3251 (analyze_scalar_evolution_1): Adjust caller.
3253 2006-08-22 Jan Hubicka <jh@suse.cz>
3255 Patch by Paolo Bonzini
3256 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3259 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3261 PR tree-optimization/28003
3262 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3263 before grouping aliases.
3265 2006-08-22 Roger Sayle <roger@eyesopen.com>
3267 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3268 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3270 2006-08-21 Jason Merrill <jason@redhat.com>
3273 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3274 wrapper. Loop to handle nested wrappers.
3275 (gimplify_bind_expr): Remove temp parameter.
3276 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3277 and STATEMENT_LIST on the rhs.
3278 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3279 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3280 (gimplify_target_expr): Remove special BIND_EXPR handling.
3282 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3284 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3287 2006-08-21 Olivier Hainque <hainque@adacore.com>
3289 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3290 Arrange for the temporary captures of components overlapping the lhs
3291 to happen before the lhs is possibly cleared.
3293 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3295 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3296 necessary places to pass the correct "number of registers" values
3299 2006-08-20 Jan Hubicka <jh@suse.cz>
3301 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3302 (create_name_tags): Instead of quadratic checking use hashtable.
3303 * bitmap.h: Include hashtab.h.
3304 (bitmap_hash): Declare.
3305 * bitmap.c (bitmap_hash): New function.
3307 2006-08-20 Jan Hubicka <jh@suse.cz>
3309 PR rtl-optimization/28071
3310 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3312 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3313 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3314 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3315 cgraph_decide_inlining_incrementally): Update use of
3316 cgraph_check_inline_limits.
3317 * cgraph.c (edge_hash, edge_eq): New function.
3318 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3319 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3320 cgraph_remove_node): Maintain call site hash.
3321 * cgraph.h (struct cgraph_node): Add call_site_hash.
3322 (cgraph_set_call_stmt): New function.
3324 2006-08-20 Jan Hubicka <jh@suse.cz>
3326 PR rtl-optimization/28071
3327 * reload1.c (reg_has_output_reload): Turn into regset.
3328 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3329 choose_reload_regs, emit_reload_insns): Update to new
3330 reg_has_output_reload.
3332 2006-08-20 Jan Hubicka <jh@suse.cz>
3335 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3336 function body sizes.
3337 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3339 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3342 * tree.c (handle_dll_attribute): Return early if not a
3343 var or function decl.
3345 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3348 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3349 alignment of SPE vector types.
3351 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3353 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3355 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3358 * cgraph.h (struct cgraph_node): Remove externally_visible
3360 * cgraphunit.c (process_function_and_variable_attributes): Set
3361 local.externally_visible rather than externally_visible.
3364 * c-common.c (handle_externally_visible_attribute): First look
3365 at TREE_CODE and only if it is function or var decl, check for
3366 non-public objects. Don't warn for DECL_EXTERNAL.
3367 * cgraphunit.c (process_function_and_variable_attributes): Warn
3368 if externally_visible attribute is used on non-public object.
3370 2006-08-17 Jan Hubicka <jh@suse.cz>
3372 PR tree-optimization/27865
3373 * reload1.c (forget_marked_reloads): New function.
3374 (forget_old_reloads_1): When data are passed, just mark the registers
3376 (reload_as_needed): Use the new mechanizm.
3378 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3381 * reload.h (reg_equiv_alt_mem_list): New declaration.
3382 * reload1.c (reg_equiv_alt_mem_list): New definition.
3383 (reload): Initialize it and release it.
3384 (delete_output_reload): Use it.
3385 * reload.c (push_reg_equiv_alt_mem): New function.
3386 (find_reloads_toplev): Call it.
3387 (find_reloads_address, find_reloads_address_1): Likewise.
3388 (find_reloads_subreg_address): Likewise.
3390 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3392 PR rtl-optimization/28489
3393 * sched-ebb.c (begin_schedule_ready): Create basic block
3395 (advance_target_bb): Skip empty blocks.
3396 * haifa-sched.c (bb_note): Make global.
3397 * sched-int.h (bb_note): Add prototype.
3399 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3401 PR tree-optimization/27865
3402 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3404 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3405 fold_used_pointer, pointer_used_p): New functions.
3406 (analyze_scalar_evolution_1): Use fold_used_pointer.
3407 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3408 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3411 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3414 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3415 or the INTEGER_CST. Fail on a CALL_EXPR.
3416 (fold_offsetof): Pass new argument to fold_offsetof_1.
3417 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3418 operand into an INDIRECT_REF.
3419 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3421 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3423 PR gcov/profile/26570
3424 * value-prof.c (static_values): Removed.
3425 (tree_find_values_to_profile): Do not set static_values.
3426 (find_values_to_profile): Do not free static_values.
3427 * profile.c (instrument_values): Do not free the values.
3428 (branch_prob): Free the values.
3430 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3432 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3434 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3437 * c-typeck.c (build_component_ref): Combine qualifiers of
3438 structure or union and field.
3440 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3442 PR rtl-optimization/28071
3443 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3444 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3445 * tree-into-ssa.c (struct dom_dfsnum): New.
3446 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3448 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3449 compute_global_livein.
3450 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3451 in phi nodes in the correct blocks.
3453 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3455 PR tree-optimization/28364
3456 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3458 (fold_affine_expr): New function.
3459 (may_eliminate_iv): Use fold_affine_expr.
3461 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3464 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3467 2006-08-16 Mike Stump <mrs@apple.com>
3469 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3470 * doc/cppopts.texi (-MD): Likewise.
3472 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3475 * c-common.c (handle_weak_attribute): Ignore and warn if
3476 not a FUNCTION_ or VAR_DECL.
3478 2006-07-15 Mike Stump <mrs@apple.com>
3481 * c-parser.c (c_parser_typeof_specifier): Don't use
3482 c_finish_expr_stmt, open code desired semantics instead.
3484 2006-08-15 Nick Clifton <nickc@redhat.com>
3486 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3487 fragment to tmake_file only if threads are enabled.
3488 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3489 * config/i386/t-gthr-win32: New file. ... here.
3491 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3494 * c-parser.c (c_parser_compound_statement_nostart): Reset
3495 parser->error after each statement.
3497 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3500 * omp-low.c (lower_omp_parallel): Convert t to
3501 receiver_decl's type.
3502 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3503 source before comparison.
3506 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3507 to itype in assignment to oldival2.
3509 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3513 * c-typeck.c (build_compound_expr): If the second expression
3514 is an error mark, then just return an error mark instead of
3515 creating a COMPOUND_EXPR.
3517 2006-07-14 Mike Stump <mrs@apple.com>
3519 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3521 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3523 * c-decl.c, var-tracking.c: Fix comment typos.
3525 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3527 PR rtl-optimization/28634
3528 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3529 for floating-point modes unless flag_unsafe_math_optimizations.
3531 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3532 Andrew Pinski <pinskia@physics.uc.edu>
3535 * tree.c (build_array_type): Unify array types with
3536 unspecified index_type.
3537 * c-decl.c (grokdeclarator): Make sure we do not modify a
3538 unified incomplete array type.
3539 * c-typeck.c (store_init_value): Create distinct type before
3540 filling in the index type in an initializer from a compound
3543 * c-decl.c (grokdeclarator): Remove code where we copy the
3546 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3548 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3549 into account for TODO_dump_cgraph.
3550 (TODO_update_ssa_no_phi): Likewise.
3551 (TODO_update_ssa_full_phi): Likewise.
3552 (TODO_update_ssa_only_virtuals): Likewise.
3553 (TODO_remove_unused_locals): Likewise.
3554 (TODO_set_props): Likewise.
3555 (TODO_update_stmt_usage): Likewise.
3557 2006-08-13 Dirk Mueller <dmueller@suse.de>
3559 * c-common.c (strict_aliasing_warning): Fix formatting.
3561 2006-08-13 Matthias Klose <doko@debian.org>
3563 * doc/invoke.texi: Fix spelling errors.
3565 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3567 PR rtl-optimization/23454
3568 * reorg.c (relax_delay_slots): Update comment.
3570 2006-08-11 Richard Guenther <rguenther@suse.de>
3573 * simplify-rtx.c (simplify_const_relational_operation):
3574 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3577 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3579 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3580 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3582 2006-08-10 Paul Brook <paul@codesourcery.com>
3584 * final.c (final_scan_insn): Clear current_insn_predicate before
3585 outputting inline asm.
3587 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3589 PR tree-optimization/26197
3590 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3591 get_ref_base_and_extent and overlap_subvar to add only relevant
3592 subvars as may-aliases.
3593 (add_may_alias_for_new_tag): New function, factored out of
3595 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3596 with additional argument.
3597 * tree-flow.h (new_type_alias): Takes additional argument.
3599 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3601 * gcov.c (no_data_file): New flag.
3602 (read_count_file): Set it if data file not present. Assume counts
3604 (output_lines): Don't name the data file, if there wasn't one.
3606 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3608 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3609 (rs6000_generate_compare): Tweak comments.
3610 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3612 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3614 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3615 (var_debug_decl): New function.
3616 (var_reg_set): Follow debug decl link. Add location even if
3617 reg is already known to hold some other variable.
3618 (var_mem_set): Follow debug decl link.
3619 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3620 decl link. Delete other known locations of the variable part
3622 (var_reg_delete, var_mem_delete): Delete other known locations
3623 of the variable part if requested.
3624 (same_variable_part_p): New function.
3625 (add_stores): Select MO_COPY when appropriate.
3626 (vt_initialize): Handle it.
3627 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3628 known locations for MO_SET and MO_CLOBBER.
3629 (find_variable_location_part): New function.
3630 (set_variable_part, delete_variable_part): Use it.
3631 (clobber_variable_part): New function.
3632 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3635 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3637 PR tree-optimization/26969
3638 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3639 with an empty list of PHIs.
3641 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3645 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3648 2006-08-06 Andreas Schwab <schwab@suse.de>
3650 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3651 string. Whitespace and comment fixup.
3653 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3656 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3660 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3663 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3665 2006-08-04 Jan Hubicka <jh@suse.cz>
3669 * reload.c (push_reload): Patch out the mismatching instruction;
3671 (find_reload): Bail out if the instruction was patched out.
3673 2006-08-04 Jan Hubicka <jh@suse.cz>
3675 PR tree-optimization/24888
3676 * tree-inline.c (expand_call_inline): Do not re-record variables.
3677 (declare_inline_vars): Add variable to unexpanded_var_list.
3679 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3680 Roger Sayle <roger@eyesopen.com>
3682 PR rtl-optimization/26244
3683 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3684 inner_const are negative or greater than or equal to the bitsize of
3685 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3686 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3687 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3688 CONST0_RTX (mode) when the new shift count is greater than or equal to
3689 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3692 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3694 * tree-cfg.c: Fix a comment typo.
3696 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3699 * varasm.c (output_constant): Give the front end another chance to
3700 expand constants, after stripping NOPs.
3702 2006-08-03 Jan Hubicka <jh@suse.cz>
3704 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3707 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3709 PR tree-optimization/27770
3710 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3711 declaration removed (moved to tree-flow.h).
3712 (vect_can_force_dr_alignment_p): Likewise.
3713 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3714 (moved from tree-vectorizer.h).
3715 (vect_can_force_dr_alignment_p): Likewise.
3716 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3717 from outside the vectorizer - in particular from cgraph stage.
3718 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3719 the alignment of global arrays when -fsection-anchors is enabled.
3720 * cgraphunit.c (cgraph_increase_alignment): New function.
3721 (cgraph_optimize): Call cgraph_increase_alignment.
3723 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3726 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3727 not reload a SPE symbol_ref into a lo_sum address.
3729 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3732 * dwarf2out.c (prune_unused_types_prune): Move call to
3733 prune_unused_types_update_strings to cover the parent DIE also.
3735 2006-08-02 Jan Hubicka <jh@suse.cz>
3737 PR gcov/profile/28480
3738 * tree-cfg.c (change_bb_for_stmt): New function.
3739 (tree_merge_blocks, tree_split_blocks): Use it.
3741 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3747 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3748 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3749 (cgraph_optimize): Likewise.
3751 2006-08-01 Stuart Hastings <stuart@apple.com>
3753 * rtl.h (UINTVAL) New.
3754 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3755 * testsuite/gcc.dg/20060801-1.c: New.
3757 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3760 * c-typeck.c (build_external_type): Mark used enum types.
3761 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3763 (gen_subprogram_die): Whitespace fix.
3765 2006-08-01 Jan Hubicka <jh@suse.cz>
3767 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3768 bitmap when not needed.
3769 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3772 2006-08-01 Dirk Mueller <dmueller@suse.de>
3774 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3776 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3778 * Makefile.in: Revert part of previous patch:
3779 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3782 2006-07-30 Eric Christopher <echristo@apple.com>
3785 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3786 (PowerPC Variable Attributes): New section.
3788 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3790 PR target/28126 (partial fix)
3791 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3793 2006-07-28 Jan Hubicka <jh@suse.cz>
3795 PR rtl-optimization/28071
3796 * cfgrtl.c (rtl_delete_block): Free regsets.
3797 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3799 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3801 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3802 and variables used in dependencies.
3804 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3806 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3807 %fs for -mcmodel=kernel.
3808 (stack_tls_protect_test_di): Likewise.
3810 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3812 * Makefile.in: Use mkinstalldirs.
3814 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3817 * opts-common.c (prune_options): Skip joined switches.
3819 2006-07-27 Jan Hubicka <jh@suse.cz>
3821 PR rtl-optimization/28071
3822 * cselib.c (cselib_process_insn): Don't remove useless values too
3823 often for very large hashtables.
3825 2006-07-27 Jan Hubicka <jh@suse.cz>
3827 PR rtl-optimization/28071
3828 * global.c (greg_obstack): New obstack.
3829 (allocate_bb_info): Use it.
3830 (free_bb_info): Likewise.
3831 (modify_reg_pav): Likewise.
3833 2006-07-27 Roger Sayle <roger@eyesopen.com>
3835 * builtins.c (fold_fixed_mathfn): When long and long long are the
3836 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3837 functions to their lceil*, lfloor*, lround* and lrint* forms.
3839 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3842 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3844 (rev_branch_insn): Likewise.
3846 2006-07-27 Jan Hubicka <jh@suse.cz>
3848 PR rtl-optimization/28071
3849 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3850 (reg_set_in_bb, max_reg_computed): New static variables.
3851 (regmove_optimize): Free the new array.
3852 (fixup_match_1): Update call of reg_is_remote_constant_p.
3854 2006-07-26 Jan Hubicka <jh@suse.cz>
3856 PR tree-optimization/27882
3857 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3859 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3861 (cgraph_analyze_compilation_unit): Likewise.
3862 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3863 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3864 (cgraph_early_inlinine): Make order garbage collected.
3865 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3867 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3869 * dbxout.c (output_types_sort): Add a comment.
3870 (output_used_types): Free the VEC.
3872 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3874 * function.c (reorder_fix_fragments): Delete.
3875 (reorder_blocks): Don't call it.
3876 (reorder_blocks_1): Put all subblocks under the origin block.
3878 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3880 PR rtl-optimization/27907
3881 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3884 2006-07-25 Roger Sayle <roger@eyesopen.com>
3887 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3888 bar(x) check that bar's result type can represent all the values of T.
3890 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3892 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3894 2006-07-25 Nick Clifton <nickc@redhat.com>
3896 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3897 size_lookup[] array.
3898 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3899 (ggc_pch_count_object): Likewise.
3900 (ggc_pch_alloc_object): Likewise.
3901 (ggc_pch_write_object): Likewise.
3902 (init_ggc): Do not attempt to initialize entries in the
3903 size_lookup[] array for objects whose size is greater than than
3904 the length of the array.
3906 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3908 * dbxout.c (output_used_types_helper): Push queued types
3910 (output_types_sort): New.
3911 (output_used_types): Collect used types on a VEC and sort them
3914 2006-07-24 Richard Guenther <rguenther@suse.de>
3917 * cgraph.c (cgraph_remove_node): Do not check if dumps
3919 * cgraphunit.c (cgraph_optimize): Likewise.
3921 2006-07-24 Jan Hubicka <jh@suse.cz>
3923 PR rtl-optimization/28071
3924 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3925 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3926 splitting before first stmt.
3928 2006-07-24 Jan Hubicka <jh@suse.cz>
3930 PR rtl-optimization/28071
3931 * ipa-inline.c (update_caller_keys): Remove edges that
3932 are no longer inline candidates.
3934 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3937 * dbxout.c (output_used_types_helper, output_used_types): New.
3938 (dbxout_symbol): Call output_used_types.
3940 2006-07-23 Jan Hubicka <jh@suse.cz>
3944 * cgraph.c (cgraph_varpool_nodes): Export.
3945 (decide_is_variable_needed): Ignored "used" attribute in
3946 unit-at-a-time mode.
3947 * cgraph.h (cgraph_varpool_nodes): Declare.
3948 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3949 unit-at-a-time mode.
3951 2006-07-23 Roger Sayle <roger@eyesopen.com>
3954 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3955 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3956 the __gthrw form of thr_keycreate.
3957 (__gthread_key_delete): Silence the unused argument warning.
3959 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3962 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3963 Cache the last found '\0' marker to avoid quadratic behavior.
3965 2006-07-23 Jan Hubicka <jh@suse.cz>
3967 * i386.md (subsi_3_zext): Fix output template.
3969 2006-07-21 Mike Stump <mrs@apple.com>
3971 * doc/invoke.texi (C++ Dialect Options): Note that
3972 -fvisibility-inlines-hidden doesn't affect explicitly
3973 instantiationed inline methods.
3975 2006-07-20 Roger Sayle <roger@eyesopen.com>
3977 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3978 if the target assembler is GNU binutils' gas.
3979 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3980 whether to pass GNU gas or native as command line options.
3982 2006-07-20 Jason Merrill <jason@redhat.com>
3984 * tree.c (remove_attribute): New fn.
3985 * tree.h: Declare it.
3987 2006-07-20 Paul Brook <paul@codesourcery.com>
3990 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3991 they are invalidated by this instruction.
3993 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3996 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3998 2006-07-20 Eric Christopher <echristo@apple.com>
4001 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4003 2006-07-19 Eric Christopher <echristo@apple.com>
4005 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4006 Rewrite dependencies for libgcc_s.1.dylib.
4008 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4010 * except.c (duplicate_eh_regions_1): Clear next_peer.
4012 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4014 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4015 -mlongcall does not guarantee all calls will be long.
4016 * doc/extend.texi (long_call/short_call): Document that longcall
4017 does not guarantee a long call will be used.
4018 (longcall/shortcall): Likewise.
4020 2006-07-18 Roger Sayle <roger@eyesopen.com>
4023 * expmed.c (expand_shift): Additionally check that the shift_cost
4024 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4025 before implementing a LSHIFT_EXPR as a sequence of additions.
4026 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4027 middle-end that DImode shifts need to be synthesized by expand.
4029 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4032 * tree-ssa-operands.c (access_can_touch_variable): Update
4034 Return true if ALIAS is .GLOBAL_VAR.
4036 2006-07-18 David Daney <ddaney@avtrex.com>
4038 * gcc.c (display_help): Fix typo in help text.
4040 2006-07-18 Olivier Hainque <hainque@adacore.com>
4042 * tree.h (categorize_ctor_elements): Adjust prototype and add
4043 descriptive comment, both in accordance with the interface change
4045 * varasm.c (constructor_static_from_elts_p): New function.
4046 Whether a constructor node is a valid static constant initializer
4047 if all its elements are.
4048 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4049 * output.h: Declare it.
4050 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4051 is a valid constant initializer instead of computing the number of
4052 non-constant elements. Use constructor_static_from_elts_p for this
4053 purpose. Replace the head comment with an indication that this is a
4054 helper for categorize_ctor_elements.
4055 (categorize_ctor_elements): Same interface change as for the _1
4056 helper. Former head comment from this helper moved here, adjusted to
4057 account for the interface changes.
4058 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4059 (all_zeros_p): Likewise.
4060 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4061 static versions of the constructor from the categorize_ctor_elements
4062 return value instead of the formerly computed number of non-constant
4065 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4067 * configure: Regenerate.
4068 * Makefile.in (build_libsubdir): New configure substitution
4069 (build_libobjdir): New variable.
4070 (BUILD_LIBIBERTY): Use it.
4072 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4075 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4077 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4080 * c-common.c (handle_weakref_attribute): Ignore attribute in
4081 the same conditions the alias attribute is ignored.
4083 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4085 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4086 (dbxout_begin_prologue): Increment scope_labelno.
4088 2006-07-17 Richard Henderson <rth@redhat.com>
4091 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4094 2006-07-17 Roger Sayle <roger@eyesopen.com>
4095 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4097 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4098 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4099 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4100 functions such as sbrk, write, etc.. Add function prototypes.
4101 Convert function declarations from K&R to ISO C. Cast pointers
4102 to "long" and "unsigned long" instead of "int" and "unsigned int".
4103 Convert tokens following #endif into comments.
4105 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4107 * invoke.texi: Remove mention of f77; Reformat table for
4108 inline parameter options correctly; mention that -malign-double
4109 is default on x86-64 targets.
4111 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4113 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4114 (convert_affine_scev, chrec_convert_aggressive): Use
4115 avoid_arithmetics_in_type_p. Do not check for the subtypes
4118 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4121 * optabs.c (expand_doubleword_shift): Wrap the call to
4122 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4124 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4127 * optabs.c (expand_binop): Pass next_methods rather than methods
4128 to expand_doubleword_shift.
4130 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4133 * tree.h (dump_addr): Declare.
4134 * print-tree.c (dump_addr): New function.
4135 (print_node_brief, print_node): Use it.
4136 * print-rtl.c (print_rtx): Likewise.
4137 * common.opt (-fdump-noaddr): New option.
4138 * doc/invoke.texi (-fdump-noaddr): Document.
4139 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4140 (ve_info_hash): Likewise.
4142 2006-07-13 Andrew Haley <aph@redhat.com>
4144 PR tree-optimization/19505
4145 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4146 edge leaving this block, make sure that the destination of this
4147 block has only one predecessor.
4149 2006-07-17 Richard Guenther <rguenther@suse.de>
4151 PR tree-optimization/28238
4152 * tree-inline.c (copy_bb): Check if we produced valid
4153 gimple copying and substituting a stmt. If not, gimplify
4156 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4158 * optabs.c (maybe_encapsulate_block): New function extracted from...
4159 (emit_libcall_block): ...here. Invoke it on the block of insns to
4160 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4161 (emit_no_conflict_block): Likewise.
4163 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4165 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4167 2006-07-15 Roger Sayle <roger@eyesopen.com>
4169 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4170 a new NOP_EXPR case of the switch statement.
4172 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4175 * stor-layout.c (place_field): Take the bit field with
4176 an excessive size into account in the ms-bitfiled case.
4179 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4180 the previous bit field.
4182 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4185 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4187 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4189 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4190 signal frames correctly even when the signal was installed with
4193 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4195 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4196 (dbxout_function_end): Use local label LFBB. Remove hook
4198 (dbxout_source_line): Use local label LFBB.
4199 (dbxout_block): Likewise.
4200 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4201 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4202 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4203 and DBX_OUTPUT_NFUN.
4205 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4207 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4209 2006-07-13 Jan Hubicka <jh@suse.cz>
4211 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4213 * output.h (align_variable): Declare.
4214 * varasm.c (align_variable): Export.
4215 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4216 when basic block changed.
4218 2006-07-13 Nick Clifton <nickc@redhat.com>
4220 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4221 walking the LOG_LINKS chain.
4223 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4225 * doc/invoke.texi (C++ Dialect Options): Explain difference
4226 between -fvisibility-inlines-hidden and setting hidden
4227 visibility explicitly.
4229 2006-07-12 Eric Christopher <echristo@apple.com>
4231 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4232 (stmp-lipo): Depend on libgcc.a.
4234 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4236 * tree.c: Fix a comment typo.
4238 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4240 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4242 (umulhisi3_r): Likewise.
4244 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4247 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4248 x < 19, vs wchar_t support.
4250 2006-07-12 Nick Clifton <nickc@redhat.com>
4252 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4253 instead of -isa=sh4.
4255 2006-07-12 Mike Stump <mrs@apple.com>
4257 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4259 2006-07-10 Eric Christopher <echristo@apple.com>
4261 * config/t-slibgcc-darwin: Rewrite.
4263 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4266 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4269 2006-07-08 Matthias Klose <doko@debian.org>
4271 * doc/sourcebuild.texi: Fix typo.
4273 2006-07-07 Mike Stump <mrs@apple.com>
4275 * toplev.c (process_options): Don't give -ffunction-sections may
4276 affect debugging warning for Mach-O.
4278 2006-07-07 James E Wilson <wilson@specifix.com>
4280 * config/mips/mips.md (cpu): Add sb1a.
4281 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4282 addition to sb1. Adjust comments to clarify SB-1A differences from
4284 (ir_sb1a_load): New. Modify bypasses to use it.
4285 (ir_sb1a_simple_alu): Likewise.
4286 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4287 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4288 (mips_issue_rate): Add PROCESSOR_SB1A.
4289 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4290 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4291 (TARGET_SB1): Add PROCESSOR_SB1A check.
4292 (TUNE_SB1): Likewise.
4294 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4295 * config/mips/mips.c (mips_store_data_bypass_p): New.
4296 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4297 store_data_bypass_p.
4299 2006-07-08 Paul Brook <paul@codesourcery.com>
4302 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4304 2006-07-07 Richard Guenther <rguenther@suse.de>
4307 * tree.h (build_one_cst): Declare.
4308 * tree.c (build_one_cst): New function.
4309 * tree-ssa-math-opts.c (get_constant_one): Remove.
4310 (insert_reciprocals): Use build_one_cst.
4311 * fold-const.c (fold_plusminus_mult): Likewise.
4313 2006-07-07 Roger Sayle <roger@eyesopen.com>
4315 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4316 * cfgloopanal.c (dump_graph): Likewise.
4317 * dojump.c (discard_pending_stack_adjust): Likewise.
4318 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4320 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4321 * function.c (finalize_block_changes): Likewise.
4322 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4323 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4324 * rtl.c (dump_rtx_statistics): Likewise.
4325 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4327 * varray.c (dump_varray_statistics): Likewise.
4328 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4329 decode_decimal64, encode_decimal128, decode_decimal128,
4330 decimal_real_to_decimal): Likewise.
4332 2006-07-07 Richard Guenther <rguenther@suse.de>
4334 PR tree-optimization/28187
4335 * tree-vrp.c (vrp_operand_equal_p): New function.
4336 (vrp_bitmap_equal_p): Likewise.
4337 (update_value_range): Use them to compare old and new
4340 2006-07-06 Roger Sayle <roger@eyesopen.com>
4342 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4343 a default case to switch statement to silence compiler warnings.
4345 2006-07-06 Roger Sayle <roger@eyesopen.com>
4348 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4349 the configured assembler supports the x87's ffreep mnemonic.
4350 * configure: Regenerate.
4351 * config.in: Regenerate.
4353 * config/i386/i386.c (output_387_ffreep): New function.
4354 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4355 (output_387_reg_move): Likewise.
4357 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4359 Port to hosts whose 'sort' and 'tail' implementations
4360 treat operands with leading '+' as file names, as POSIX
4361 has required since 2001. However, make sure the code still
4362 works on pre-POSIX hosts.
4363 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4364 which says you should use "tail -c +N" rather than "tail +Nc".
4365 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4367 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4369 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4372 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4375 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4376 PRE_{INC,DEC} of TFmode.
4378 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4379 Alan Modra <amodra@bigpond.net.au>
4382 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4385 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4388 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4389 Remove duplicate gtu.
4391 2006-07-05 Jason Merrill <jason@redhat.com>
4395 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4396 * c-common.c (handle_packed_attribute): So don't copy it here.
4397 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4399 2006-07-05 Mike Stump <mrs@apple.com>
4401 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4403 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4406 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4408 2006-07-05 Richard Guenther <rguenther@suse.de>
4411 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4412 TARGET_SSE2 targets if using SSE math.
4413 (*absdf2_1): Likewise.
4415 2006-07-05 Richard Guenther <rguenther@suse.de>
4417 PR tree-optimization/28162
4418 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4419 make sure to convert the operands to the correct type.
4421 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4423 PR tree-optimization/28218
4425 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4426 to calculate and free the dominator information.
4428 2006-07-04 Peter O'Gorman <peter@pogma.com>
4430 * mklibgcc.in: chmod 644 before ranlib during install.
4432 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4433 J"orn Rennecke <joern.rennecke@st.com>
4435 * configure.ac (.eh_frame data check): Use diff -b.
4437 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4440 * Makefile.in (BUILD_RTL): Add build/vec.o.
4441 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4442 (build/genextract): Delete.
4443 (build/genautomata): Likewise.
4445 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4448 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4449 128-bit IBM long doubles for ABI_V4.
4451 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4453 * tree.c (range_in_array_bounds_p): New predicate.
4454 * tree.h (range_in_array_bounds_p): Declare it.
4455 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4456 return a less conservative answer.
4457 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4458 and flag 'is_group'.
4459 (IS_ELEMENT_FOR_GROUP): New macro.
4460 (FOR_EACH_ACTUAL_CHILD): Likewise.
4461 (next_child_for_group): New helper function.
4462 (can_completely_scalarize_p): Take into account groups.
4463 (sra_hash_tree): Handle RANGE_EXPR.
4464 (sra_elt_eq): Likewise.
4465 (lookup_element): Be prepared for handling groups.
4466 (is_valid_const_index): Delete.
4467 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4468 instead of is_valid_const_index.
4469 <ARRAY_RANGE_REF>: New case.
4470 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4471 is_valid_const_index.
4472 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4473 (scan_dump): Dump info for groups too.
4474 (decide_instantiation_1): Likewise.
4475 (decide_block_copy): Assert that the element is not a group.
4476 Propagate decision to groups.
4477 (generate_one_element_ref): Handle RANGE_EXPR.
4478 (mark_no_warning): Iterate over actual childs.
4479 (generate_copy_inout): Likewise.
4480 (generate_element_copy): Likewise.
4481 (generate_element_zero): Likewise.
4482 (generate_element_init_1): Likewise.
4483 (dump_sra_elt_name): Handle RANGE_EXPR.
4485 2006-07-03 Roger Sayle <roger@eyesopen.com>
4487 PR tree-optimization/26251
4488 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4489 (thread_block): When optimizing for size refuse to thread jumps
4490 that would require duplication of blocks other than redirection
4493 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4495 * configure.ac: Fix thinko in previous check-in.
4496 * configure: Regenerate.
4498 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4501 * configure.ac (for lang...): Simplify nesting of conditionals.
4502 Test subdir_requires for non-enabled languages. Move processing
4503 of lang_opt_files and lang_tree_fiels below that test.
4504 * configure: Regenerate.
4505 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4507 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4509 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4511 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4513 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4516 2006-06-29 Jason Merrill <jason@redhat.com>
4523 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4524 * c-common.c (c_determine_visibility): Handle it here.
4525 * c-decl.c (finish_decl): Call c_determine_visibility for
4527 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4529 * varasm.c (default_assemble_visibility): Likewise.
4530 * c-common.c (handle_visibility_attribute): Complain about trying
4531 to give visibility to an already defined class, or trying to change
4532 declared visibility. Always attach the attribute.
4537 * attribs.c (decl_attributes): Ignore type-in-place attributes
4538 once the type has been defined.
4540 2006-06-29 Roger Sayle <roger@eyesopen.com>
4543 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4544 to indicate the cpplib has issued an error message for us.
4546 2006-06-29 Asher Langton <langton2@llnl.gov>
4549 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4550 insert a label at the end of an function under Mach-O.
4552 2006-06-29 Eric Christopher <echristo@apple.com>
4553 Evan Cheng <evan.cheng@apple.com>
4555 * predicates.md (vector_all_ones_operand): New.
4556 (nonimmediate_or_sse_const_operand): Ditto.
4557 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4558 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4559 (standard_sse_mode_p): Ditto.
4560 (standard_sse_constant_p): Add case for -1 vector.
4561 (ix86_expand_vector_move): Try to use.
4562 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4563 Call standard_sse_constant_opcode.
4564 (*movv4sf_internal): Ditto.
4565 (*movv2df_internal): Ditto.
4567 2006-06-29 Roger Sayle <roger@eyesopen.com>
4569 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4570 of XEXP to extract the operands of a MATCH_CODE rtx.
4572 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4574 * tree.c (tree_size): Do not waste tail padding in
4575 struct tree_string and make the size be the same as
4576 build_string will generate.
4578 2006-06-28 Jason Merrill <jason@redhat.com>
4581 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4582 may_aliases already in the tag's annotations to the bitmap.
4584 2006-06-28 Roger Sayle <roger@eyesopen.com>
4586 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4588 2006-06-28 Roger Sayle <roger@eyesopen.com>
4590 * genpreds.c (generate_switch_p): New function.
4591 (add_mode_tests): Push the new mode test down inside an AND expr
4592 if this allows the switch-suitable MATCH_CODE to be near the root.
4593 (write_match_code_switch): New function to write a MATCH_CODE as
4595 (write_predicate_stmts): New function to write a predicate RTX
4596 expression as a sequence of statements.
4597 (write_one_predicate_function): Use write_predicate_stmts.
4598 (write_tm_constrs_h): Likewise.
4600 2006-06-26 Fred Fish <fnf@specifix.com>
4602 * config/mips/t-sb1: New file.
4603 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4606 2006-06-26 DJ Delorie <dj@redhat.com>
4608 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4610 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4611 Jayant Sonar <jayants@kpitcummins.com>
4612 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4614 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4615 (subsi3, subsi3_1, subsi3_2): New.
4616 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4617 * config/m32c/mov.md (SI mov peephole): New.
4618 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4619 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4621 2006-06-26 Olivier Hainque <hainque@adacore.com>
4623 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4624 a CALL_EXPR target function declaration.
4626 2006-06-26 Richard Guenther <rguenther@suse.de>
4628 * tree.c (build_string): Do not waste tail padding in
4631 2006-06-26 Richard Guenther <rguenther@suse.de>
4633 * ggc-page.c (init_ggc): Add missing element to size_lookup
4637 2006-06-23 Richard Guenther <rguenther@suse.de>
4639 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4640 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4641 alignment requests instead. Add verification code.
4642 Add struct tree_function_decl and struct tree_binfo size to
4643 extra_order_size_table. Add missing element to size_lookup
4646 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4649 * fold-const.c (const_binop): Be prepared for self returning zero.
4650 Simplify code handling complex values.
4652 2006-06-24 Olivier Hainque <hainque@adacore.com>
4654 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4655 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4658 2006-06-24 Olivier Hainque <hainque@adacore.com>
4660 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4661 ARRAY_REF, so have the callback called for the low bound expression.
4663 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4665 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4666 * c-typeck.c (c_common_type): Disallow operations on decimal float
4667 types and other float types.
4668 * convert.c (convert_to_real): Don't ignore conversions involving
4669 decimal float types.
4671 2006-06-23 Olivier Hainque <hainque@adacore.com>
4673 * tree.c (max_int_size_in_bytes): New function, inspired from
4674 code in function.c:assign_temp.
4675 * tree.h (max_int_size_in_bytes): Declare.
4676 * function.c (assign_temp): Use it.
4677 * gimplify.c (create_tmp_var): Relax the assertions on the type
4678 properties, not mandating constant size any more.
4679 (force_constant_size): New static function.
4680 (gimple_add_tmp_var): Use it, forcing variable size to a
4681 constant upper bound if it is not constant on entry.
4683 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4686 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4687 for initialization and setting of one_only flag to ...
4688 (i386_pe_encode_section_info): ...here.
4689 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4690 Recheck that the symbol has not been defined.
4692 2006-06-23 Richard Guenther <rguenther@suse.de>
4694 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4695 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4696 alignment requests instead. Add verification code.
4697 Add struct tree_function_decl and struct tree_binfo size to
4698 extra_order_size_table. Add missing element to size_lookup
4701 2006-06-22 Roger Sayle <roger@eyesopen.com>
4702 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4705 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4706 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4708 2006-06-23 Ben Elliston <bje@au.ibm.com>
4710 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4711 negate dn -- manipulate it directly.
4713 2006-06-22 Roger Sayle <roger@eyesopen.com>
4714 Steven Bosscher <stevenb.gcc@gmail.com>
4717 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4718 generated by gen_move_insn to add REG_LABEL notes if necessary.
4720 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4722 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4723 (leaf_entry): Remove use of MIN_ESA.
4725 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4727 PR rtl-optimization/28121
4728 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4731 2006-06-21 DJ Delorie <dj@redhat.com>
4733 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4735 (mulhisi3_r): Likewise.
4737 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4740 * coverage.c (coverage_counter_alloc): Leave the index type
4742 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4745 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4747 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4748 section from the "Options for Code Generation Conventions".
4750 2006-06-21 Richard Henderson <rth@redhat.com>
4754 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4756 (global_symbolic_operand): Allow weak symbols, even if local_p.
4758 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4760 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4761 (find_interesting_uses_address): Punt if above function returns true.
4763 2006-06-21 Richard Guenther <rguenther@suse.de>
4765 * configure: Regenerated.
4767 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4769 * config/mips/mips.c (function_arg): Where one part of a
4770 complex argument is in registers and the other part in the stack,
4771 return a REG not a PARALLEL.
4773 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4775 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4776 when cross-compiling. Do not substitute libstdcxx_incdir.
4777 * configure: Regenerated.
4779 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4781 * varasm.c (mergeable_string_section): Check for embedded NULs and
4782 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4783 rather than TREE_STRING_LENGTH bytes.
4785 2006-06-21 Richard Guenther <rguenther@suse.de>
4787 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4788 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4791 2006-06-21 Richrad Guenther <rguenther@suse.de>
4793 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4794 Limit iteration over the dominators.
4796 2006-06-20 Roger Sayle <roger@eyesopen.com>
4798 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4799 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4801 2006-06-20 Richard Guenther <rguenther@suse.de>
4802 Michael Matz <matz@suse.de>
4804 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4806 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4807 * et-forest.h (et_free_pools): Prototype new function.
4808 * et-forest.c (et_free_tree_force): Free parent occurrence.
4809 (et_free_pools): New function.
4810 * dominance.c (free_dominance_info): Free et-forest alloc
4813 2006-06-20 Roger Sayle <roger@eyesopen.com>
4815 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4816 integer modes, attempt to directly construct an integer constant.
4818 * fold-const.c (native_encode_vector): Determine the size of each
4819 element from the vector type instead of the first vector element.
4821 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4822 if all of its elements/components are constant.
4823 (build_constructor_from_list): Likewise.
4825 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4827 PR tree-optimization/27331
4828 * tree-data-ref.c (free_data_ref): New function.
4829 (create_data_ref): Fail if the data reference has unknown access
4831 (free_data_refs): Use free_data_ref.
4833 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4836 * tree-inline.c (setup_one_parameter): Strip useless
4837 type conversion before adding it to the IR.
4838 (declare_return_variable): Likewise.
4840 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4843 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4845 2006-06-19 Mike Stump <mrs@apple.com>
4847 * tree.c (variably_modified_type_p): VM arguments don't make the
4850 2006-06-19 Richard Guenther <rguenther@suse.de>
4852 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4853 type conversions after folding.
4855 2006-06-19 Richard Guenther <rguenther@suse.de>
4857 * ggc-page.c (extra_order_size_tab): Add entries with
4858 size of struct function and basic_block.
4859 (size_lookup): Extend to cover sizes up to 511.
4860 (ggc_alloc_stat): Adjust user.
4861 (ggc_pch_count_object): Likewise.
4862 (ggc_pch_alloc_object): Likewise.
4863 (ggc_pch_write_object): Likewise.
4865 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4867 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4868 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4871 2006-06-19 Denis Chertykov <denisc@overta.ru>
4873 * config/avr/libgcc.S : Correct my wrong previous commit.
4875 2006-06-19 Roger Sayle <roger@eyesopen.com>
4878 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4879 have stripped a SUBREG from the shift count, so we may need to
4880 convert_to_mode back to the type's mode before calling make_tree.
4881 Use new_amount instead of amount to avoid expanding a tree twice.
4883 2006-06-19 Richard Guenther <rguenther@suse.de>
4886 * fold-const.c (operand_equal_p): Check if the argument types
4887 have the same precision before stripping NOPs.
4889 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4891 Fix PR tree-optimization/27341
4892 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4894 * tree-complex.c (pass_lower_complex): Update SMT usage.
4896 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4898 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4899 Add a new alternative to the constraint strings. Add move of
4900 operand 1 to 3 to the splitter definition.
4901 ("doloop_si_long"): Second contraint alternative removed.
4903 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4905 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4906 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4908 (AVR_HAVE_MOVW) Define.
4909 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4910 (ASM_SPEC): Add avr25.
4911 (LINK_SPEC): Add avr25.
4912 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4913 (base_arch_s): Add new member 'have_movw_lpmx'.
4914 (avr_arch_types): Init 'have_movw_lpmx'.
4915 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4916 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4917 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4918 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4919 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4921 (avr_file_start): Do not output '.arh' derective.
4922 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4923 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4924 * config/avr/avr.md (mcu_enhanced): Delete.
4925 (mcu_have_movw): Define.
4926 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4927 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4928 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4929 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4930 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4931 attiny861 and at86rf401 devices.
4933 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4935 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4938 2006-06-17 Karl Berry <karl@gnu.org>
4940 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4941 doc/gccint.texi, doc/install.texi (@dircategory): Use
4942 "Software development" instead of "Programming", following
4943 the Free Software Directory.
4945 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4947 * config/i386/i386.c (legitimate_tls_address)
4948 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4949 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4950 (*tls_dynamic_gnu2_combine_64): Likewise.
4952 2006-06-16 Richard Guenther <rguenther@suse.de>
4955 * fold-const.c (negate_expr_p): Do not introduce undefined
4956 overflow in negating INTEGER_CSTs.
4957 (fold_negate_expr): Rename from negate_expr. Revert last
4958 change for folding BIT_NOT_EXPR. Change semantics to
4959 return NULL_TREE for non-simplified negations. Do not
4960 strip type conversions and unify type handling.
4961 (negate_expr): New function, wrap around fold_negate_expr
4962 but ensure building a tree always. Strip type conversions
4963 here, fold to result type.
4964 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4966 2006-06-16 Roger Sayle <roger@eyesopen.com>
4969 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4970 that (would) return their results in stack registers.
4972 2006-06-16 Michael Matz <matz@suse.de>
4973 Richard Guenther <rguenther@suse.de>
4975 * fold-const.c (fold_truthop): Only return new tree node if
4976 we canonicalized something.
4978 2006-06-16 Richard Guenther <rguenther@suse.de>
4980 * function.h (enum function_frequency): Move declaration
4981 out of struct function.
4982 (struct function): Move bool fields and the enum to the bitfield
4983 section. Reorder elements to avoid padding. Remove unused
4984 fields left over from the RTL inliner removal.
4985 * function.c (free_after_compilation): Do not zero removed fields.
4986 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4987 (ipa-type-escape.o): Likewise.
4989 2006-06-16 Richard Guenther <rguenther@suse.de>
4991 * cgraph.h (struct cgraph_local_info): Turn bool elements
4993 (struct cgraph_node): Likewise.
4994 (struct cgraph_varpool_node): Likewise.
4996 2006-06-15 Richard Guenther <rguenther@suse.de>
4998 * fold-const.c (fold_truth_not_expr): Rename from
4999 invert_truthvalue. Give it fold_* semantics to avoid
5001 (invert_truthvalue): New function. Wrapper around
5002 fold_truth_not_expr.
5003 (optimize_minmax_comparison): Avoid creating garbage.
5004 (fold_unary): Use fold_truth_not_expr for folding
5006 (fold_ternary): Replace uses of invert_truthvalue with
5007 fold_truth_not_expr where applicable.
5008 * tree.h (fold_truth_not_expr): Prototype.
5010 2006-06-16 Richard Guenther <rguenther@suse.de>
5012 PR tree-optimization/27781
5013 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5014 * ipa-pure-const.c (target.h): Include.
5015 (analyze_function): Do not analyze functions that do not
5018 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5021 * tree-dfa.c (referenced_vars_dup_list): Remove.
5022 (find_referenced_vars): Remove assert.
5023 (referenced_var_check_and_insert): Replace dup list with assert.
5024 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5025 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5027 2006-06-15 Richard Guenther <rguenther@suse.de>
5029 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5030 extra unused identifiers if not dumping.
5031 (create_variable_info_for): Likewise.
5033 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5035 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5036 (derive_constant_upper_bound): Derive more precise upper bound in
5037 common cases. Return type changed to double_int.
5038 (record_estimate): Reflect the changed return type of
5039 derive_constant_upper_bound.
5040 * double-int.c (double_int_zext, double_int_sext): Fix.
5042 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5044 * configure.ac (CFLAGS): Get them from the toplevel or from the
5045 configure invocation.
5046 * configure: Regenerate.
5047 * Makefile.in (CFLAGS): Substitute value provided by configure.
5049 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5052 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5053 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5054 rather than calling add_stmt on it.
5055 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5057 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5060 * reload1.c (reload): Remove registers returned by update_eliminables
5061 from used_spill_regs.
5063 2006-06-13 DJ Delorie <dj@redhat.com>
5065 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5067 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5069 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5070 html__strip_dir, html__mkdir_p. Enhance install-html target.
5071 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5072 * configure: Regenerate.
5074 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5076 * fold-const.c (fold_cond_expr_with_comparison): Check for
5077 Objective-C++ as language in deciding COND_EXPR transformation.
5079 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5082 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5083 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5084 * config/sh/lib1funcs.h (SL, SL1): Define.
5085 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5086 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5087 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5088 (OBJS_Os_4_200): New variable.
5089 ($(T)libgcc-Os-4-200.a): Use it.
5090 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5091 when dividing 1 and/or by 0.
5093 2006-06-13 Roger Sayle <roger@eyesopen.com>
5095 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5096 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5097 * configure: Regenerate.
5099 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5101 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5102 for real instruction.
5104 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5107 * haifa-sched.c (check_cfg): Handle special case.
5109 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5112 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5113 Add debug_info parameter. Chain the vars to the BLOCK instead
5114 of the BIND_EXPR if debug info are requested for them.
5115 (pop_gimplify_context): Adjust for above change.
5116 (gimple_add_tmp_var): Likewise.
5117 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5119 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5120 (convert_local_reference): Likewise.
5121 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5122 (finalize_nesting_tree_1): Request that debug info be emitted
5123 for debug_var_chain.
5125 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5127 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5128 for PR target/27863.
5130 2006-06-13 Richard Guenther <rguenther@suse.de>
5133 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5135 2006-06-13 Richard Guenther <rguenther@suse.de>
5137 PR tree-optimization/27830
5138 * tree-inline.c (copy_body_r): For copying the operand
5139 of an ADDR_EXPR make sure to fold &* afterwards.
5141 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5143 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5144 lvalues in the fb_none case with side-effects.
5146 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5148 * tree-flow.h: Remove the prototype for
5149 compute_phi_arg_on_exit.
5150 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5151 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5154 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5156 * builtins.c (expand_builtin_return_addr): Only use
5157 frame_pointer_rtx when count == 0 and we are expanding
5158 __builtin_return_address.
5160 2006-06-12 Fred Fish <fnf@specifix.com>
5162 * config/mips/mips.c (mips_file_start): Create special section
5163 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5165 2006-06-11 Eric Christopher <echristo@apple.com>
5168 * stor-layout.c (place_field): Remove check for
5169 remaining_in_alignment when aligning at the end of a run.
5171 2006-06-11 Eric Christopher <echristo@apple.com>
5174 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5177 2006-06-11 Roger Sayle <roger@eyesopen.com>
5180 Revert incorrect fix for PR target/27158
5181 2006-05-08 Roger Sayle <roger@eyesopen.com>
5182 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5183 of a reg_equiv_constant if the result is a legitimate constant.
5185 2006-06-11 Roger Sayle <roger@eyesopen.com>
5188 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5189 extract a CONST_VECTOR element and interpret it as an integer.
5190 (vspltis_constant): Use const_vector_elt_as_int instead of the
5191 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5192 * config/rs6000/predicates.md (easy_vector_const): Consider
5193 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5195 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5198 * stor-layout.c (update_alignment_for_field): Don't add extra
5199 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5202 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5204 * config/mips/t-rtems: Add EL/EB multilib variants.
5206 2006-06-09 Mike Stump <mrs@apple.com>
5208 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5210 2006-06-09 David Daney <ddaney@avtrex.com>
5212 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5214 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5216 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5218 2006-06-09 Richard Guenther <rguenther@suse.de>
5220 PR tree-optimization/26998
5221 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5222 of signed types, only TYPE_MIN_VALUE is special, but for both,
5223 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5224 in this case, as is -fwrapv.
5226 2006-06-08 Mike Stump <mrs@apple.com>
5229 * config/darwin.c (darwin_asm_output_anchor): Disable
5230 -fsection-anchors on darwin for now.
5231 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5232 * rs6000/rs6000.c (optimization_options): Likewise.
5234 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5237 * config/i386/i386.c (classify_argument): Skip fields with invalid
5240 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5242 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5243 (cse_insn): Likewise for the stack_pointer_rtx.
5245 2006-06-08 Roger Sayle <roger@eyesopen.com>
5247 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5248 conditions from floating point comparisons.
5250 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5253 * expmed.c (struct alg_hash_entry): Fix type of field T
5254 to match synth_mult argument.
5255 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5257 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5260 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5263 2006-06-08 Richard Guenther <rguenther@suse.de>
5266 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5267 only, if overflow is defined and not trapping.
5268 (negate_expr): Likewise.
5270 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5272 PR tree-optimization/27872
5273 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5274 flag on the new exit edge of the unrolled loop.
5276 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5278 PR rtl-optimization/26449
5279 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5281 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5284 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5285 referenced_variables with matching DECL_UID's.
5286 (find_referenced_vars): Make sure duplicate list is empty to start.
5287 (referenced_var_p): Remove.
5288 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5289 Check if var is in the list, and add if needed. Update the duplicate
5290 list if a different var is in the list with the same DECL_UID.
5291 (add_referenced_var): Call routine to check and insert.
5292 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5293 * tree-flow.h (referenced_vars_dup_list): External declaration.
5295 2006-06-07 Fred Fish <fnf@specifix.com>
5297 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5300 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5303 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5304 the imaginary and real parts of a clobbered register.
5305 Emit insn to set the imaginary part.
5307 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5309 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5310 in lieu of unwind-dw2-fde.c.
5312 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5314 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5316 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5319 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5320 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5321 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5322 V4SImode temporaries and operations instead.
5324 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5326 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5329 2006-06-06 Mike Stump <mrs@apple.com>
5331 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5332 installing during build.
5334 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5336 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5338 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5339 * config/ia64/ia64.c (params.h): New header.
5340 (ia64_optimization_options): New function to adjust parameters.
5341 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5342 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5343 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5345 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5347 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5349 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5352 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5354 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5355 Victor Kaplansky <victork@il.ibm.com>
5357 PR tree-optimization/26360
5358 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5361 2006-06-04 Roger Sayle <roger@eyesopen.com>
5362 Andrew Pinski <pinskia@physics.uc.edu>
5365 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5366 for LABEL_DECL before calling DECL_WEAK.
5369 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5370 LABEL_DECL and PARM_DECL.
5372 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5376 * c-decl.c (grokdeclarator): Disallow variably modified types at
5377 file scope. Avoid marking shared array type of constant size as
5380 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5383 * c-common.c (fold_offsetof_1): Handle static members.
5385 2006-06-04 Eric Christopher <echristo@apple.com>
5387 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5388 (debug_rli): Output value for remaining_in_alignment.
5389 (update_alignment_for_field): Unconditionalize
5390 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5391 extra alignment code.
5392 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5393 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5394 * tree.h (record_layout_info_s): Remove prev_packed.
5395 * doc/extend.texi (ms_struct): Add documentation of format.
5397 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5399 * tree.h: Declare folding_initializer.
5400 * builtins.c (fold_builtin_constant_p): Give definite answer
5401 if folding inside an initializer.
5402 * fold-const.c: Define folding_initializer.
5403 (START_FOLD_INIT): Save and then set folding_initializer.
5404 (END_FOLD_INIT): Restore folding_initializer.
5406 2006-06-04 Richard Guenther <rguenther@suse.de>
5408 PR tree-optimization/27039
5409 * fold-const.c (fold_comparison): Handle pointer comparison
5410 again for all comparison codes. Compare offsets in signed
5412 (fold_binary): Move code from here.
5414 2006-06-03 Roger Sayle <roger@eyesopen.com>
5417 * config/i386/i386.c (construct_container): Split static issued_error
5418 flag into issued_sse_arg_error, issued_sse_ret_error and
5419 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5420 requires the use of x87 registers and the user explicitly
5421 specified the -mno-80387 command line option.
5423 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5425 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5426 HAVE_DECL_SIGALTSTACK.
5428 (segv_handler): Use MC_FLD.
5429 * configure.ac: Check for a sigaltstack declaration.
5430 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5431 * configure: Regenerate.
5432 * config.in: Regenerate.
5434 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5437 * Makefile.in (stmp-fixinc): Fix typo.
5439 2006-06-02 Roger Sayle <roger@eyesopen.com>
5441 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5442 are type correct. Clean-up.
5443 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5444 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5446 2006-06-01 DJ Delorie <dj@redhat.com>
5448 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5449 shift, as we've disabled the "switch" insn that needs it.
5451 2006-06-01 Per Bothner <bothner@bothner.com>
5453 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5454 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5455 * c-ppoutput.c (cb_define): Don't increment line 0.
5457 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5459 * doc/invoke.texi: Add cpu_type power6.
5460 * config.gcc: Add cpu_type power6.
5461 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5462 to power5+ with Altivec.
5463 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5464 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5466 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5468 * config/avr/avr.h (SET_ASM_OP): Define.
5470 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5472 * config/bfin/bfin.c: Fix comment typos.
5474 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5477 * doc/install.texi: Document --enable-bootstrap and
5478 --disable-bootstrap.
5480 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5482 * doc/install.texi: Document that InfoZIP can replace jar.
5484 2006-05-31 Roger Sayle <roger@eyesopen.com>
5486 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5487 isn't available, directly generate the simpler x87 patterns without
5488 the (use (const_int 0)).
5489 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5490 implementation isn't available.
5491 (*negdf2_1): Likewise.
5492 (*negxf2_1): XF mode negation is always done using the x87.
5493 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5495 2006-05-31 Roger Sayle <roger@eyesopen.com>
5497 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5498 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5500 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5502 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5504 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5505 * config/bfin/bfin.c (basic-block.h): Include.
5506 (struct machine_function): New.
5507 (bfin_init_machine_status): New.
5508 (override_options): Initialize init_machine_status.
5509 (bfin_hardware_loop): New.
5510 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5511 (DEF_VEC_P (loop_info)): New.
5512 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5513 (struct loop_info): New.
5514 (loop_info): New typedef.
5515 (struct loop_work): New.
5516 (loop_work): New typedef.
5517 (DEF_VEC_O (loop_work)): New.
5518 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5519 (bfin_dump_loops): New.
5520 (bfin_bb_in_loop): New.
5521 (bfin_scan_loop): New.
5522 (bfin_optimize_loop): New.
5523 (bfin_reorg_loops): New.
5524 (bfin_reorg): Use bfin_reorg_loops.
5525 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5527 (I_REGNO_P): Simplify.
5528 (DP_REGNO_P, DPREG_P): New macros.
5529 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5530 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5531 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5532 Add LT_REGS, LC_REGS, LB_REGS.
5533 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5535 (REGNO_REG_CLASS): Deal with loop registers.
5536 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5538 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5539 New constants for loop registers.
5540 (UNSPEC_LSETUP_END): New.
5541 (seq_insns): New define_attr. Set it for appropriate insns.
5542 (movsi_insn): Add alternatives for move from/to
5543 loop count registers.
5544 (doloop_end): New define_expand.
5545 (loop_end): New define_insn.
5546 (define_split for bad doloop_end): New.
5547 (lsetup_with_autoinit): New define_insn.
5548 (lsetup_without_autoinit): New define_insn.
5549 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5550 * config/bfin/predicates.md (lc_register_operand): New.
5551 (lt_register_operand): New.
5552 (lb_register_operand): New.
5553 (nondp_register_operand): New.
5554 (nondp_reg_or_memory_operand): New.
5555 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5557 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5559 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5560 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5562 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5564 * Makefile.in (CATALOGS): Add po/ prefix.
5565 * configure: Regenerated.
5567 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5570 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5571 a shift operand before calling shift_op. Avoid redundant call of
5574 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5575 DJ Delorie <dj@redhat.com>
5577 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5578 we're inserting is a singlt-bit constant.
5580 2006-05-30 Roger Sayle <roger@eyesopen.com>
5582 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5583 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5585 2006-05-30 Roger Sayle <roger@eyesopen.com>
5587 PR tree-optimization/23452
5588 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5589 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5590 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5591 complex values and with -ffast-math for FP complex values.
5593 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5595 * c-common.h: Remove the prototype for yyparse.
5596 * rtl.h: Remove the prototype for init_loop.
5598 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5600 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5603 2006-05-30 Roger Sayle <roger@eyesopen.com>
5605 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5607 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5608 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5610 2006-05-30 Dirk Mueller <dmueller@suse.de>
5613 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5614 for CONSTANT_CLASS_P expresisons.
5616 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5619 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5621 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5623 PR tree-optimization/27779
5624 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5625 initial_condition instead of CHREC_LEFT.
5627 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5629 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5630 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5631 Make prototypes ISO C90.
5633 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5634 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5636 * see.c (see_analyze_one_def): Correct check.
5637 (see_get_extension_data): Check if extension is parallel.
5638 (see_get_extension_reg): Likewise.
5640 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5643 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5644 into register for (code == GTU).
5646 2006-05-29 Roger Sayle <roger@eyesopen.com>
5648 PR tree-optimization/24964
5649 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5650 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5651 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5652 abs(x)*abs(x) as x*x for scalar floating point modes.
5654 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5657 * lambda-code.c (perfect_nestify): Don't copy statements
5658 in the inner loop: move them to the inner loop header.
5660 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5663 * c-tree.texi: Document OpenMP directives and clauses.
5665 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5667 * varasm.c (globalize_decl): Fix indentation.
5669 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5672 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5673 pass_fre, pass_store_ccp, pass_copy_prop,
5674 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5675 pass_return_slot, pass_object_size, pass_lim,
5676 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5677 pass_loop_prefetch and pass_stdarg.
5679 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5681 * config/bfin/bfin.opt (mfdpic): New option.
5682 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5683 (EXTRA_MULTILIB_PARTS): Likewise.
5684 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5685 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5687 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5688 (CRT_CALL_STATIC_FUNCTION): New.
5689 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5691 (CRT_CALL_STATIC_FUNCTION): New.
5692 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5694 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5695 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5696 (initialize_trampoline): Changed to handle FD-PIC code generation.
5697 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5698 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5699 (override_options): Disallow -mid-shared-library -mfdpic combination.
5700 Can't do unaligned ops if FD-PIC.
5701 Turn off flag_pic if trying to generate non-id-shared-library
5702 non-fdpic code, since it's not supported.
5703 (bfin_assemble_integer): New function.
5704 (TARGET_ASM_INTEGER): Define.
5705 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5707 * config/bfin/crtn.s: Restore them.
5708 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5710 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5711 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5712 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5713 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5714 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5716 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5717 FDPIC_REGS and FDPIC_FPTR_REGS.
5718 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5719 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5720 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5721 (load_funcdescsi): New pattern.
5722 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5723 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5724 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5726 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5728 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5731 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5733 * tree-flow.h: Remove the prototype for add_type_alias.
5734 * tree-ssa-alias.c (add_type_alias): Remove.
5736 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5738 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5739 config/fr30/fr30.md, config/i386/i386-interix.h,
5740 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5741 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5742 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5743 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5744 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5745 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5746 Follow spelling conventions.
5747 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5748 Follow spelling conventions.
5750 2006-05-27 Richard Guenther <rguenther@suse.de>
5753 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5754 to produce a constant of value 1 of generic type.
5756 2006-05-27 Dirk Mueller <dmueller@suse.de>
5758 * cgraphunit.c (decide_is_function_needed): Fix wrong
5761 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5763 PR rtl-optimization/27661
5764 * reload.c (find_reloads): When reloading a VOIDmode constant
5765 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5766 use Pmode as mode of the reload register.
5768 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5770 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5771 is enabled at -O and above.
5773 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5776 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5779 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5782 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5783 for anonymous variables explicitly declared by front ends.
5785 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5787 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5788 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5789 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5790 ref-all pointers, run a finalization pass for them.
5791 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5792 (finalize_ref_all_pointers): New function.
5793 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5794 regular pointer type to a ref-all pointer type.
5795 (get_tmt_for): Return the special memory tag for ref-all pointers.
5797 2006-05-25 Richard Guenther <rguenther@suse.de>
5800 * fold-const.c (fold_binary): Do not look at the stripped
5801 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5803 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5805 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5806 for LT and GT if the computed range is effectively empty.
5808 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5811 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5812 mips_quad_format formats instead of ieee_single_format,
5813 ieee_double_format and ieee_quad_format formats, respectively.
5815 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5817 PR tree-optimization/27639
5818 PR tree-optimization/26719
5819 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5820 call to scev_probably_wraps_p.
5821 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5822 used_in_pointer_arithmetic_p, convert_step): Removed.
5823 (nowrap_type_p): New function.
5824 (scev_probably_wraps_p): Rewritten.
5825 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5826 chrec_convert if chrec_convert_aggressive might have been used.
5827 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5828 scev_direction): New functions.
5829 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5830 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5831 instead of convert_step.
5832 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5833 (convert_step): Declaration removed.
5834 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5836 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5838 * df-core.c: Added to header comments.
5839 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5840 df_ur_bb_info, df_urec_bb_info): Added comments.
5841 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5842 urec, ri problems): Fixed header comments.
5843 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5844 code from df_rd_transfer_function.
5846 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5848 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5849 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5850 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5852 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5854 * expr.c (undefined_operand_subword_p): New.
5855 (emit_move_multi_word): Do not generate move from undefined bits
5856 of a paradoxical subreg.
5858 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5860 PR rtl-optimization/27736
5861 * combine.c (replaced_rhs_value): New variable.
5862 (combine_instructions): Set it.
5863 (distribute_notes): When distributing a note in replaced_rhs_insn,
5864 check whether the value was used in replaced_rhs_value.
5866 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5869 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5870 add_referenced_var instead of add_referenced_tmp_var.
5871 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5872 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5874 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5875 tree_optimize_tail_calls_1): Use add_referenced_var.
5876 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5877 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5878 Use add_referenced_var.
5879 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5880 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5881 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5882 Use add_referenced_var.
5883 * tree-dfa.c (struct walk_state): Remove.
5884 (find_referenced_vars): Remove walk state and vars_found hash table.
5885 (make_rename_temp): Use add_referenced_var.
5886 (find_vars_r): Pass less parameters to add_referenced_var.
5887 (referenced_var_p): New. Is var in referenced_var hash table.
5888 (referenced_var_insert): Assert var isn't already in hash table.
5889 (add_referenced_var): Don't need walk_state parameter. Add var if it
5890 isn't already in the hash table.
5891 (add_referenced_tmp_var): Remove.
5892 (find_new_referenced_vars_1): Use add_referenced_var.
5893 * tree-ssa-pre.c (create_expression_by_pieces,
5894 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5895 Use add_referenced_var.
5896 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5897 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5898 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5900 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5901 vect_create_data_ref_ptr, vect_create_destination_var,
5902 vect_init_vector, vect_build_loop_niters,
5903 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5904 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5905 Use add_referenced_var.
5906 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5907 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5908 (add_referenced_var): Add prototype.
5909 * tree-ssa-structalias.c (get_constraint_for,
5910 intra_create_variable_infos): Use add_referenced_var.
5912 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5914 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5915 big-endian paradoxical subregs.
5916 * var-tracking.c (struct micro_operation_def): Document that,
5917 for modify micro operations, insn is the subsequent instruction.
5918 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5919 (var_reg_set, var_mem_set): ... new functions.
5920 (add_stores): Record subsequent insn.
5921 (compute_bb_dataflow): Use new functions for MO_USE.
5922 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5923 notes after the insn, and modify notes before the insn known
5924 to be the subsequent one.
5925 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5927 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5930 * config/i386/i386.c (ix86_expand_builtin): Use
5931 gen_sse3_monitor64 for TARGET_64BIT.
5933 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5935 PR rtl-optimization/26375
5936 PR rtl-optimization/26855
5937 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5939 (df_ru_bb_local_compute): Reversed statements and removed bogus
5940 comment explaining why they should be in wrong order.
5941 (df_ru_dump, df_rd_dump): Enhanced debug info.
5942 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5944 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5945 reaching uses and fixed space problem.
5947 2006-05-23 Jan Hubicka <jh@suse.cz>
5949 * cgraphunit.c (decide_is_function_needed): Also nested functions
5950 and functions declared inline can be optimized out at -O0.
5952 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5954 * doc/install.texi (Configuration): Remove reference to CrossGCC
5958 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5961 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5962 ix86_compare_emitted is non-NULL.
5964 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5967 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5970 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5972 PR rtl-optimization/25514
5973 * combine.c (replaced_rhs_insn): New variable.
5974 (combine_instructions): Set replaced_rhs_insn when trying to replace
5975 a SET_SRC with a REG_EQUAL note.
5976 (distribute_notes): Use replaced_rhs_insn when determining the live
5977 range of a REG_DEAD register.
5979 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5980 Anatoly Sokolov <aesok@post.ru>
5982 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5983 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5984 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5985 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5986 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5987 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5988 at90usb647, at90usb1286 and at90usb1287 devices.
5989 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5990 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5992 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5994 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5996 2006-05-22 Richard Guenther <rguenther@suse.de>
5999 2006-01-31 Richard Guenther <rguenther@suse.de>
6000 Paolo Bonzini <bonzini@gnu.org>
6002 * doc/install.texi (--disable-libgcc-math): Document.
6004 2006-05-22 Richard Guenther <rguenther@suse.de>
6007 2006-01-31 Richard Guenther <rguenther@suse.de>
6009 * doc/invoke.texi (-msselibm): Document.
6010 * target.h (expand_library_builtin): New target hook.
6011 * builtins.c (expand_builtin): Use expand_library_builtin.
6012 (default_expand_library_builtin): New function.
6013 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6014 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6015 (link_gcc_math_spec): Declare.
6016 (static_specs): Add link_gcc_math_spec.
6017 * expr.h (default_expand_library_builtin): Declare.
6018 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6019 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6020 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6021 * config/i386/i386.opt (msselibm): New target option.
6022 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6023 (ix86_init_sse_abi_builtins): New function.
6024 (ix86_expand_library_builtin): Likewise.
6025 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6026 (override_options): Handle error conditions wrt -msselibm.
6027 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6028 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6029 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6032 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6035 * c-common.c (self_promoting_args_p): Skip erroneous args.
6038 * c-decl.c (finish_struct): Skip erroneous fields.
6040 2006-05-22 Nick Clifton <nickc@redhat.com>
6042 * config/cris/cris.opt (march): Remove VarExists attribute.
6043 (max-stackframe=): Likewise.
6045 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6047 * doc/rtl.texi: Fix a typo.
6048 * see.c: Fix comment typos.
6050 * tree-ssa-structalias.h (alias_info): Remove num_references.
6052 2006-05-21 Mike Stump <mrs@apple.com>
6054 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6056 (darwin_pragma_options): Use BAD instead.
6057 (darwin_pragma_unused): Likewise.
6058 (darwin_pragma_ms_struct): Likewise.
6060 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6062 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6064 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6066 PR rtl-optimization/27671
6067 * simplify-rtx.c (simplify_relational_operation_1): Fix
6068 simplifications of (eq/ne (xor x y) y) and
6069 (eq/ne (xor x y) x).
6071 PR tree-optimization/26622.
6072 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6075 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6077 * tree-cfg.c: Prune whitespace.
6078 (debug_tree_cfg): Point to correct header containing the
6081 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6084 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6086 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6089 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6090 or sorry count is non zero.
6092 2006-05-20 Andreas Schwab <schwab@suse.de>
6094 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6096 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6097 Kenneth Zadeck <zadeck@naturalbridge.com>
6099 PR rtl-optimization/26855
6101 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6103 (df_scan_alloc): Added code to properly handle multiword hard
6104 registers and add all_blocks parameter.
6105 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6106 code to properly handle multiword hard registers.
6107 (df_rescan_blocks): Added code to remove deleted blocks from
6109 (df_ref_create_structure, df_ref_record): Added code to properly
6111 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6112 and set DF_REF_PARTIAL.
6113 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6114 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6115 (df_scan_add_problem): Added flags parameter.
6116 (df_ref_create_structure): Changed switching structure.
6117 (df_bb_refs_record): Fixed case where duplicate artificial refs
6118 were created. Changed location of flags.
6119 (df_record_entry_block_defs): Added code to make stack pointer
6120 live in entry block. Refined cases where frame pointer is needed.
6121 Changed location of flags.
6122 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6123 (df_set_state): Removed function.
6124 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6125 df_insn_create_insn_record, df_insn_refs_delete,
6126 df_ref_create_structure): Formatting changes.
6127 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6128 df_delete_basic_block): New function.
6129 (df_init): Changed location of flags.
6130 (df_add_problem): Added flags parameter and the way flags are
6132 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6133 debug_df_chain): Improved debugging output.
6134 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6135 (df_refs_chain_dump): Removed df parameter.
6136 (df_iterative_dataflow): Added consistency check.
6137 (df_prune_to_subcfg): Made public.
6138 (df_analyze_problem): Added blocks_to_init parameter and made
6140 (df_ref_record, df_bb_refs_record, df_mark_reg,
6141 df_record_exit_block_uses): Whitespace changes.
6142 (df_dump): Whitespace changes.
6143 * df.h: Some reordering to remove forward references.
6144 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6145 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6146 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6147 (dataflow.flags): New field.
6148 (df.flag): Deleted field.
6149 (df_alloc_function): Added additional bitmap parameter.
6150 (df_dependent_problem_function): New type.
6151 (df_problem.changeable_flags): New field.
6152 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6153 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6154 (df_mw_hardreg): New struct.
6155 (DF_INSN_UID_MWS): New macro.
6156 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6158 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6159 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6160 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6161 (df_set_state): Removed function.
6162 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6163 * df-problems.c (df_chain_dump): Removed df parameter.
6164 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6165 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6167 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6168 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6169 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6170 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6171 DF_REF_MUST_CLOBBER cases.
6172 (df_ru_bb_local_compute_process_def,
6173 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6174 df_lr_bb_local_compute, df_ur_bb_local_compute,
6175 df_chain_create_bb): Made subreg aware.
6176 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6177 df_lr_bb_local_compute, df_lr_bb_local_compute,
6178 df_chain_create_bb): Cleanup to use proper macros.
6179 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6180 code to fixup bitvectors.
6181 (df_ri_alloc): Cleared lifetime.
6182 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6183 df_create_unused_note): New function.
6184 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6185 REG_DEAD and REG_UNUSED notes as well as register information.
6186 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6187 df_chains_dump): Fixed crash if problem was never run.
6188 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6189 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6190 df_ri_add_problem): Processes flags in uniform manner.
6191 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6192 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6193 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6194 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6195 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6196 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6197 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6198 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6199 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6200 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6201 * see.c (see_initialize_data): Ditto.
6202 * final.c (rest_of_clean_state) Added regstack_completed.
6203 * rtl.h (regstack_completed): Ditto.
6204 * reg-stack.c (regstack_completed): Ditto.
6206 2006-05-19 Mike Stump <mrs@apple.com>
6208 * c-tree.h (default_conversion): Remove.
6209 * c-common.h (default_conversion): Add.
6211 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6213 * tree-vrp.c (valid_value_p): New function.
6214 (adjust_range_with_scev): Fail if the value of bound is not
6217 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6219 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6220 (mips_fallback_frame_state): Use syscall numbers to determine
6221 the appropriate li instruction for the current ABI. Only use
6222 __NR_sigreturn for o32.
6224 2006-05-19 Nicolas Setton <setton@adacore.com>
6226 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6227 * langhooks.c (lhd_dwarf_name): New function.
6228 * langhooks-def.h (lhd_dwarf_name): Declare.
6229 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6230 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6231 * ada/misc.c (gnat_dwarf_name): New function.
6232 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6234 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6236 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6238 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6239 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6240 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6241 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6242 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6243 determine the size of Wtype, etc.
6244 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6245 (swfloatfuncs): New variable.
6246 (dwfloatfuncs): Likewise.
6247 (lib2funcs): Remove floating-point conversion functions from
6248 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6249 the set of conversion routines needed. Allow entries to specify
6250 an object name, filename and word size. Update users accordingly.
6251 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6252 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6256 2006-02-08 Roger Sayle <roger@eyesopen.com>
6259 * config/fixtfdi.c: New libgcc source file.
6260 * config/fixunstfdi.c: New source file.
6261 * config/floatditf.c: New source file.
6262 * config/floatunditf.c: New souce file.
6263 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6264 files above instead of config/mips/_tilib.c.
6265 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6267 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6269 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6270 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6272 2006-05-18 Mike Stump <mrs@apple.com>
6274 Fix up vla, vm and [*] sematics.
6280 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6281 (c_vla_unspec_p): Add.
6282 (c_vla_type_p): Add.
6283 * c-decl.c (struct c_scope): Add had_vla_unspec.
6284 (build_array_declarator): Add support for [*].
6285 (grokdeclarator): Likewise.
6286 (grokparms): Likewise.
6287 (get_parm_info): Likewise.
6288 * c-objc-common.c (c_vla_unspec_p): Likewise.
6289 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6290 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6291 typeof when argument is a variably modified type not inside sizeof or alignof.
6292 (c_parser_direct_declarator_inner): Propagate errors.
6293 (c_parser_sizeof_expression): Add support for [*].
6294 (c_parser_parms_declarator): Initialize had_vla_unspec.
6295 (c_parser_parms_list_declarator): Likewise.
6296 * c-typeck.c (c_vla_type_p): Add.
6297 (composite_type): Add support for vla compositing.
6298 (comptypes_internal): Add support for vla compatibility.
6299 (c_expr_sizeof_expr): Evaluate vla arguments.
6300 * tree.c (variably_modified_type_p): Update comment for [*].
6302 2006-05-18 Michael Matz <matz@suse.de>
6305 * config.host: Make assignments to host_xmake_file cumulative.
6306 * config.host (*-darwin*): Test $host, not $target.
6308 2006-05-12 Stuart Hastings <stuart@apple.com>
6310 * config/i386/i386.opt (-mstackrealign): New flag.
6311 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6312 (ix86_handle_cconv_attribute): Emit error when
6313 force_align_arg_pointer attribute collides with too many regparms.
6314 (ix86_function_regparm): Limit regparms when used with
6315 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6316 Support stack-realigning prologue in non-main functions. Emit
6317 warning for nested functions under -mstackrealign, emit error for
6318 nested functions with force_align_arg_pointer attribute.
6319 * doc/extend.texi (force_align_arg_pointer): Document it.
6320 * doc/invoke.texi (-mstackrealign): Document it.
6322 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6324 PR rtl-optimization/27477
6325 * combine.c (try_combine): Don't split a parallel consisting
6326 of two sets into two individual sets if both sets reference
6329 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6331 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6332 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6334 * doc/options.texi (VarExists): Updated.
6336 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6338 * unwind-dw2.c: Add declarations for uw_update_context and
6340 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6341 detected, advance frame state and context once to skip over stub.
6343 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6347 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6348 Call rewrite_into_loop_closed_ssa only when something changed.
6349 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6350 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6351 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6352 Test for perfect_nest_p here. Fix formating.
6353 (replace_uses_equiv_to_x_with_y): Fix formating.
6354 (stmt_uses_op): Removed.
6355 (can_convert_to_perfect_nest): Removed loopivs parameter.
6356 Complete the test by checking the scalar dependences.
6357 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6360 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6363 From Dan Kegel <dank@kegel.com>:
6364 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6366 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6368 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6369 if the element type is variably modified without recursing.
6371 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6374 * tree-loop-linear.c (try_interchange_loops): Test for
6375 no data dependences.
6377 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6379 PR tree-optimization/27548
6380 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6381 range of ssa names that appear on abnormal edges.
6382 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6383 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6385 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6388 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6390 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6393 * tree.h (OMP_PARALLEL_COMBINED): Define.
6394 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6395 (new_omp_context): Add is_combined_parallel argument.
6396 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6397 new_omp_context caller.
6398 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6399 Adjust gimplify_scan_omp_clauses callers.
6400 (omp_is_private): Issue errors if iteration variable is firstprivate
6401 or reduction in the current context.
6402 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6403 on combined parallel workshare constructs.
6405 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6407 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6408 (gcc-options.o): New rule.
6410 * optc-gen.awk: Protect variables for gcc-options.o with
6411 #ifdef GCC_DRIVER/#endif.
6413 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6415 Fix PR tree-optimization/27373
6416 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6417 (forward_propagate_addr_expr): Update call.
6419 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6421 * doc/options.texi: Move the Negative option.
6423 2006-05-16 Richard Guenther <rguenther@suse.de>
6425 PR tree-optimization/22303
6426 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6428 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6429 ccp_fold did not simplify the statement.
6431 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6434 * Makefile.in (GCC_OBJS): New.
6435 (OBJS-common): Add opts-common.o.
6436 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6437 (cpp$(exeext)): Likewise.
6438 (gcc.o): Also depend on opts.h.
6439 (opts-common.o): New.
6441 * common.opt (gcoff): Add Negative(gdwarf-2).
6442 (gdwarf-2): Add Negative(gstabs).
6443 (gstabs): Add Negative(gstabs+).
6444 (gstabs+): Add Negative(gvms).
6445 (gvms): Add Negative(gxcoff).
6446 (gxcoff): Add Negative(gxcoff+).
6447 (gxcoff+): Add Negative(gcoff).
6448 * config/i386/i386.opt (m32): Add Negative(m64).
6449 (m64): Add Negative(m32).
6451 * doc/options.texi: Document the Negative option.
6453 * gcc.c: Include "opts.h".
6454 (main): Call prune_options after expandargv.
6456 * optc-gen.awk: Generate common declarations for all flag
6457 variables in options.c. Output the neg_index field.
6459 * opts.c (find_opt): Moved to ...
6460 * opts-common.c: Here. New file.
6462 * opts.h (cl_option): Add a neg_index field.
6464 (prune_options): Likewise.
6466 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6469 * omp-low.c (expand_omp_parallel): Don't assert
6470 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6471 instead search for it.
6474 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6477 2006-05-16 Andreas Schwab <schwab@suse.de>
6479 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6482 2006-05-15 Roger Sayle <roger@eyesopen.com>
6485 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6486 integer constants other than zero are only legitimate on TARGET_64BIT.
6487 <CONST_VECTOR> Only zero vectors are legitimate.
6488 (ix86_cannot_force_const_mem): Integral and vector constants can
6489 always be put in the constant pool.
6491 2006-05-16 DJ Delorie <dj@redhat.com>
6493 * crtstuff.c (__dso_handle): Set section from
6494 TARGET_LBIGCC_SDATA_SECTION if defined.
6495 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6496 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6498 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6501 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6504 2006-05-16 Ben Elliston <bje@au.ibm.com>
6506 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6508 2006-05-15 Per Bothner <per@bothner.com>
6510 * tree.c: (last_annotated_node): Use source_locus typedef.
6511 This permits bootstrapping with --enable-mapped-location.
6513 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6515 PR tree-optimization/26830
6516 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6517 (info_for_ssa_name, current_info_for_ssa_name_age,
6518 blocks_to_update): New variables.
6519 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6520 (clear_ssa_name_info, initialize_flags_in_bb,
6521 mark_block_for_update): New functions.
6522 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6523 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6524 prepare_def_site_for): Use mark_block_for_update.
6525 (mark_def_interesting): Assert that the processed block is marked in
6526 blocks_to_update. Do not take blocks argument.
6527 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6529 (rewrite_update_init_block, rewrite_update_stmt): Only process
6530 blocks with statements to rewrite.
6531 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6532 (update_ssa): Initialize and free blocks_to_update. Do not
6533 clear flags on statements. Do not use blocks bitmap.
6534 * tree.h (SSA_NAME_AUX): Removed.
6535 (struct tree_ssa_name): Removed aux field.
6536 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6538 2006-05-15 Richard Guenther <rguenther@suse.de>
6540 PR tree-optimization/27603
6541 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6542 Do computations in original type.
6544 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6546 * see.c: Code style changes such as redundant paranthesis,
6547 redundant intialization of local variables etc.
6548 (see_main): Declared now as static.
6549 * doc/invoke.texi: Update that -fsee is not enabled by
6552 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6554 * omp-low.c (check_omp_nesting_restrictions): New function.
6555 (scan_omp_1): Call it.
6558 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6559 construct, return *VAR.
6561 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6563 PR rtl-optimization/27406
6564 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6567 2006-05-14 Roger Sayle <roger@eyesopen.com>
6569 PR rtl-optimization/27538
6570 * combine.c (expand_compound_operation): Call gen_lowpart
6571 before calling simplify_shift_const.
6573 2006-05-14 Roger Sayle <roger@eyesopen.com>
6575 PR rtl-optimization/22563
6576 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6577 a fixed width bitfield, always force the intermediates into psuedos.
6579 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6582 * mkconfig.sh: Use operator = instead of == for test.
6584 2006-05-13 Nick Clifton <nickc@redhat.com>
6586 * dwarf2out.c (dbx_reg_number): Check return value from
6587 LEAF_REG_REMAP and only use it if it is valid.
6588 (multiple_reg_loc_descriptor): Likewise.
6590 2006-05-13 Richard Guenther <rguenther@suse.de>
6592 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6595 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6597 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6598 information attached to non-INSNs such as NOTEs.
6599 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6601 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6603 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6605 * config/s390/s390.md: Adjust comment describing On constraint.
6607 2006-05-11 Jan Hubicka <jh@suse.cz>
6609 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6610 to be output at -O0.
6612 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6615 * fold-const.c (size_binop): Move sanity check for arguments to
6616 the beginning of the function.
6619 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6622 2006-05-11 Richard Guenther <rguenther@suse.de>
6625 * fold-const.c (fold_unary): Handle intermediate conversion
6626 to a pointer type like intermediate conversion to an integer
6627 type in folding of (T1)(T2)var to var.
6628 Match the code to the comment in the final conversion for
6629 (T1)(T2)var to (T1)var regarding to type precision. Rather
6630 than disallow T1 being of pointer type, assert that both T1
6631 and var are of pointer type or not. Make sure not to fall
6632 over the frontends lazyness wrt array to pointer decay though.
6634 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6636 * arm.c (arm_struct_value_rtx): Delete.
6637 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6638 (arm_init_cumulative_args): Always initialize nregs to zero.
6640 2006-05-10 Richard Guenther <rguenther@suse.de>
6642 PR tree-optimization/27532
6643 * tree-object-size.c (plus_expr_object_size): Fix typo.
6645 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6648 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6649 ashrdi_const, ashrdi3): Use a scratch register.
6651 2006-05-10 Richard Guenther <rguenther@suse.de>
6653 PR tree-optimization/27302
6654 * fold-const.c (operand_equal_p): For two comparisons,
6655 try comparison of one comparison code swapped if that yields
6658 2006-05-10 Ben Elliston <bje@au.ibm.com>
6660 * tree-pretty-print.c (pretty_print_string): No need to handle
6661 '\0' as a special character.
6663 * tree.h: Include "hashtab.h".
6664 (iterative_hash_expr): Use hashval_t in its prototype.
6665 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6667 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6670 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6671 (hppa*64*-*-hpux11*): Ditto.
6672 (hppa[12]*-*-hpux11*): Ditto.
6674 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6677 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6679 2006-05-09 Michael Matz <matz@suse.de>
6681 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6682 host_extra_gcc_objs and host_xmake_file.
6683 (<*-*-linux*>): Don't overwrite host_xmake_file.
6684 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6685 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6686 (host_detect_local_cpu): Declare.
6687 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6688 * config/i386/i386.c (override_options): Handle -mtune=native
6690 * config/i386/x-i386: New file.
6691 * config/i386/driver-i386.c: New file.
6692 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6695 2006-05-09 Dirk Mueller <dmueller@suse.de>
6696 Richard Guenther <rguenther@suse.de>
6699 * fold-const.c (fold_read_from_constant_string): Relax check
6700 for matching types to matching modes.
6702 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6704 PR rtl-optimization/27335
6705 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6708 2006-05-08 Chao-ying Fu <fu@mips.com>
6709 Richard Sandiford <richard@codesourcery.com>
6711 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6712 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6713 * config/mips/mips.md (UNSPEC_SCC): New constant.
6714 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6715 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6716 (mips_emit_compare): Use it.
6717 (mips_expand_vcondv2sf): New function.
6719 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6721 Fix PR tree-optimization/27093
6722 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6723 renaming when they become not-used_alone.
6725 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6727 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6728 relocation and relocation stubs.
6730 2006-05-08 Eric Christopher <echristo@apple.com>
6732 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6735 2006-05-08 Jan Hubicka <jh@suse.cz>
6738 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6739 unused static functions are needed.
6741 2006-05-08 Roger Sayle <roger@eyesopen.com>
6744 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6745 of a reg_equiv_constant if the result is a legitimate constant.
6747 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6750 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6751 standard 80387 constants, raise the cost to prevent
6752 compress_float_constant() to generate load from memory.
6754 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6756 * config/arm/constraints.md (c): Fix a typo.
6758 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6761 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6764 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6766 (_mm_mwait): Likewise.
6768 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6770 (sse3_monitor): Make it 32bit only.
6771 (sse3_monitor64): New. 64bit monitor.
6773 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6776 * config/i386/i386.c (classify_argument): Skip fields with invalid
6779 2006-05-07 Richard Guenther <rguenther@suse.de>
6781 PR tree-optimization/27409
6782 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6783 Do not try to find zero-sized subvars.
6785 2006-05-07 Richard Guenther <rguenther@suse.de>
6787 PR tree-optimization/27136
6788 * tree-ssa-loop-niter.c (get_val_for): Correct function
6789 comment, assert requirements.
6790 (loop_niter_by_eval): Stop processing if the iterated
6791 value did not simplify.
6793 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6795 * opts.c (flag_see): remove its setting at -O3.
6797 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6799 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6800 * arm/constraints.md: New file.
6801 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6802 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6803 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6804 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6805 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6806 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6807 * arm.md: Include constraints.md.
6808 (thumb_movsi_insn): Use satisfies_constraint_J.
6809 (movhi, movqi): Use satisfies_constraint_I.
6811 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6813 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6814 for atmeg a645 device.
6816 2006-05-06 Richard Guenther <rguenther@suse.de>
6818 PR tree-optimization/27151
6819 * tree-vect-transform.c (vectorizable_condition): Punt on
6820 values that have a different type than the condition.
6822 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6825 * c-parser.c (c_parser_cast_expression): Only insert casts into
6826 hash table if pointer.
6827 * function.c (used_types_insert_helper): Rename from
6829 (used_types_insert): Call used_types_insert_helper.
6830 * function.h (used_types_insert): Accept only one argument.
6832 2006-05-05 David Edelsohn <edesohn@gnu.org>
6834 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6835 scratch with output modifier.
6837 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6840 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6841 with output modifier.
6843 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6846 * config/mips/mips.c (mips_symbolic_address_p): Return true
6847 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6848 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6850 2006-05-04 Richard Guenther <rguenther@suse.de>
6852 PR tree-optimization/14287
6853 PR tree-optimization/14844
6854 PR tree-optimization/19792
6855 PR tree-optimization/21608
6856 PR tree-optimization/27090
6857 * tree-ssa-pre.c (try_combine_conversion): New function.
6858 (compute_avail): After constructing the value-handle
6859 expression, use try_combine_conversion to combine NOP_EXPRs
6860 with previous value-handle expressions and use the result if it
6863 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6865 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6867 2006-05-04 Jan Hubicka <jh@suse.cz>
6870 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6872 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6874 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6875 that this only matches CONST_INTs. All users changed to VOIDmode
6878 * config/bfin/bfin.c: Include "optabs.h".
6879 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6881 (enum bfin_builtins): Add a number of fractional and vector builtins.
6882 (bfin_init_builtins): Likewise.
6883 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6884 (safe_vector_operand, bfin_expand_binop_builtin,
6885 bfin_expand_unop_builtin): New functions.
6886 (bfin_expand_builtin): Handle the new builtins.
6887 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6890 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6893 * Makefile.in (OBJS-common): Add see.o.
6894 (see.o): Add dependencies.
6895 * common.opt (fsee): New flag for the see optimization was added.
6896 * opts.c (flag_see): Initialized.
6897 * passes.c (init_optimization_passes, pass_see): New pass.
6898 * rtl.h (see_main): Declaration as extern.
6899 * timevar.def (TV_SEE): New.
6900 * tree-pass.h (pass_see): Declaration as extern.
6901 * invoke.texi (-fsee): Document.
6902 * recog.c (validate_simplify_insn): New function.
6903 * recog.h (validate_simplify_insn): Declaration as extern.
6904 * df-problems.c (df_chain_dump): Check for NULL.
6906 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6907 Daniel Berlin <dberlin@dberlin.org>
6909 * cfgrtl.c (insert_insn_bb_end_new): New function.
6910 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6912 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6914 * df.h (struct web_entry): Moved from web.c.
6915 (union_defs): Declaration as extern.
6916 (unionfind_root): Likewise.
6917 (unionfind_union): Likewise.
6918 * web.c (struct web_entry): Moved to df.h.
6919 (unionfind_root): Remove static declaration.
6920 (unionfind_union): Likewise.
6921 (union_defs): Likewise and generalize to use callback function.
6922 (web_main): Update arguments for union_defs function call.
6924 2006-05-04 Richard Guenther <rguenther@suse.de>
6926 PR tree-optimization/26447
6927 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6928 produce SSA_NAME copies before the store stmt to avoid
6929 breaking exception handling.
6931 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6934 * gimplify.c (omp_is_private): If var is shared in some outer context,
6935 return false instead of true. Stop searching on parallel context
6938 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6941 * coverage.c: Use get_gcov_unsigned_t() instead of
6942 unsigned_type_node all over.
6944 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6946 PR tree-optimization/27381
6947 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6948 maintain the same immediate_use links.
6949 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6950 node rather than segfaulting.
6952 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6955 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6956 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6957 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6959 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6961 Fix PR tree-optimization/26626
6962 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6964 * tree-ssa-operands.c (access_can_touch_variable): Allow
6965 typecasting through union pointers.
6967 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6970 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6971 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6972 to find if var will be a global variable even in the nested context.
6973 (omp_copy_decl): Only check for global variable at the end, it might
6974 be overridden in outer contexts.
6975 (scan_sharing_clauses): For global variables don't create a field.
6976 (lower_rec_input_clauses): Do nothing for global shared variables.
6977 Emit a barrier at the end of ILIST if there were any decls in both
6978 firstprivate and lastprivate clauses.
6979 (lower_send_clauses): Do nothing for global variables except for
6982 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6984 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6985 of the correct signedness is returned.
6987 2006-05-02 Jeff Law <law@redhat.com>
6989 PR tree-optimization/27364
6990 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6991 multiply expressions.
6993 2006-05-02 Tom Tromey <tromey@redhat.com>
6995 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6997 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7000 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7001 -mthumb -fPIC are used.
7003 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7004 Joshua Kinard <kumba@gentoo.org>
7007 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7008 with 64-bit pointers.
7010 2006-05-02 Paul Brook <paul@codesourcery.com>
7012 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7014 (create_fix_barrier): Check that a suitable barrier location is
7016 (arm_reorg): Include ftmp->address in allowable range of addresses.
7018 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7021 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7024 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7027 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7028 around RESULT_DECL for result passed by reference.
7029 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7030 * omp-low.c (use_pointer_for_field): Don't look at
7031 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7032 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7033 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7034 time or var for passing by reference for
7035 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7036 TREE_ADDRESSABLE variables when passing by reference.
7038 * omp-low.c (dump_omp_region): Fix output formatting.
7041 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7042 (expand_omp_parallel): Likewise.
7043 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7046 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7047 on statement list containing also constructors and destructors.
7048 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7051 * except.c (duplicate_eh_regions): Fix clearing of
7052 cfun->eh->region_array entries.
7054 2006-05-01 DJ Delorie <dj@redhat.com>
7056 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7058 (gcc_cv_objdump): Likewise.
7059 * configure: Regenerated.
7061 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7064 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7065 templates for case 3 and 4.
7067 2006-05-01 DJ Delorie <dj@redhat.com>
7069 * vec.c: Include bconfig.h when appropriate.
7070 * Makefile.in (build/vec.o): Adjust dependencies.
7071 * mkconfig.sh: Make sure config.h isn't used for build machine
7074 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7076 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7078 (mark_phi_for_rewrite): New function.
7079 (insert_phi_nodes_for, mark_use_interesting): Call
7080 mark_phi_for_rewrite.
7081 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7082 (update_ssa): Initialize and free phis_to_rewrite.
7084 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7086 PR rtl-optimization/27291
7087 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7088 folded to a constant.
7090 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7092 PR tree-optimization/27283
7093 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7094 not whole # of iteration descriptions.
7095 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7096 uses abnormal ssa name.
7097 (niter_for_single_dom_exit): Ditto.
7098 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7099 return just the number of iterations.
7101 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7103 PR tree-optimization/27144
7104 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7105 (record_estimate): Only record constant upper bound.
7106 (infer_loop_bounds_from_undefined): Call
7107 compute_estimated_nb_iterations just once.
7108 (proved_non_wrapping_p): Renamed to ...
7109 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7110 (convert_step_widening, scev_probably_wraps_p): Call
7111 n_of_executions_at_most instead of proved_non_wrapping_p.
7112 (substitute_in_loop_info): Do not replace values in bounds.
7113 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7116 2006-05-01 Richard Henderson <rth@redhat.com>
7119 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7120 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7123 2006-05-01 Roger Sayle <roger@eyesopen.com>
7125 * c-typeck.c (parser_build_binary_op): Don't call the function
7126 unsigned_conversion_warning to spot operand/result type overflow.
7127 (build_binary_op): Instead, call convert_and_check instead of
7128 convert to report the problem when the operands are promoted.
7129 * c-common.c (unsigned_conversion_warning): Make static.
7130 * c-common.h (unsigned_conversion_warning): Delete prototype.
7132 2006-05-01 Richard Guenther <rguenther@suse.de>
7134 PR tree-optimization/26726
7135 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7137 (find_interesting_uses_address): ... we work around here
7138 by folding INDIRECT_REFs in the substituted base.
7140 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7142 * omp-low.c (dump_omp_region): Add newlines.
7144 2006-04-30 Roger Sayle <roger@eyesopen.com>
7146 * common.opt (Woverflow): New command line option.
7147 * c-common.c (constant_expression_warning): Check warn_overflow.
7148 (overflow_waring): Pass OPT_Woverflow to warning.
7149 (unsigned_conversion_warning): Likewise.
7150 (convert_and_check): Likewise.
7151 * doc/invoke.texi: Document new command line option.
7153 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7155 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7156 TARGET_NO_FP_IN_TOC for section anchors.
7157 (optimization_options): Enable section anchors for all
7158 non-"Objective" languages.
7160 2006-04-28 Eric Christopher <echristo@apple.com>
7162 * config/darwin-c.c (darwin_ms_struct): Move this
7163 (darwin_set_default_type_attributes): and this...
7164 * config/darwin.c: ... here.
7165 * config/darwin.h (darwin_ms_struct): Declare.
7167 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7169 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7171 2006-04-28 Roger Sayle <roger@eyesopen.com>
7174 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7175 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7176 an unsigned HOST_WIDE_INT.
7177 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7179 (really_start_incremental_init): No need to call convert because
7180 bitsize_zero_node is already of type bitsizetype.
7181 (push_init_level): Extract the value of constructor_index as an
7182 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7183 (process_init_element): Likewise.
7185 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7187 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7188 value before passing to make_relative_prefix.
7190 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7193 * builtins.c (expand_builtin_memset): Expand val in original mode.
7195 2006-04-27 Eric Christopher <echristo@apple.com>
7197 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7198 with #ifndef/#endif.
7199 * config/darwin-c.c (darwin_ms_struct): New.
7200 (darwin_pragma_ms_struct): Ditto.
7201 (darwin_set_default_type_attributes): Ditto.
7202 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7203 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7204 Register ms_struct pragma.
7205 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7206 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7207 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7208 darwin_set_default_type_attributes if TARGET_MACHO.
7210 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7212 PR tree-optimization/26854
7213 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7214 * doc/tree-ssa.texi: Update immuse iterator documentation.
7215 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7216 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7217 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7218 first_safe_imm_use, next_safe_imm_use): Remove.
7219 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7220 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7221 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7222 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7223 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7224 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7225 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7226 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7227 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7228 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7229 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7230 (perfect_nestify): Use new iterator.
7231 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7233 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7234 (next_imm_name): New field in struct immediate_use_iterator_d.
7235 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7236 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7237 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7238 * tree-cfg.c (replace_uses_by): Use new iterator.
7239 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7240 * tree-ssa-operands.c (correct_use_link): Remove.
7241 (finalize_ssa_use_ops): No longer call correct_use_link.
7243 2006-04-27 Stuart Hastings <stuart@apple.com>
7245 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7246 * config/t-darwin (crt3.o): Use it.
7247 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7248 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7249 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7250 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7251 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7254 2006-04-27 Roger Sayle <roger@eyesopen.com>
7256 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7257 size, force the intermediate into a new pseudo rather instead of
7258 performing both a bitwise AND and a bitwise IOR in memory.
7260 2006-04-27 Richard Guenther <rguenther@suse.de>
7262 PR rtl-optimization/26685
7263 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7264 this one "max-flow-memory-locations".
7266 2006-04-27 Richard Guenther <rguenther@suse.de>
7268 PR tree-optimization/25148
7269 * tree-vrp.c (compare_values): Remove code dealing with
7270 comparisons against type min/max value. Honour overflow
7271 and negative constants in code dealing with comparisons
7272 of plus and minus expressions.
7273 (value_inside_range): Use fold_binary with LE_EXPR and
7274 GE_EXPR rather than compare_values.
7276 2006-04-27 Dirk Mueller <dmueller@suse.de>
7278 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7281 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7283 * basic-block.h (safe_insert_insn_on_edge): Removed.
7284 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7286 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7287 Paolo Bonzini <bonzini@gnu.org>
7290 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7291 (simplify_and_const_int): Same.
7293 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7295 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7297 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7300 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7301 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7302 cgraph_global_info_ready.
7305 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7308 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7309 either decl or init is error_mark_node.
7312 * tree-flow.h (struct omp_region): Add sched_kind.
7313 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7314 instead of extracting omp for data.
7315 (expand_omp_for): Save extracted sched_kind.
7317 2006-04-25 Roger Sayle <roger@eyesopen.com>
7319 * expmed.c (store_bit_field): Also check whether the bitsize is
7320 valid for the machine's "insv" instruction before moving the
7321 target into a pseudo for use with the insv.
7322 * config/i386/predicates.md (const8_operand): New predicate.
7323 * config/i386/i386.md (extv, extzv, insv): Use the new
7324 const8_operand predicate where appropriate.
7326 2006-04-25 DJ Delorie <dj@redhat.com>
7328 * doc/install.texi (Specific): Clarify that this is not a list of
7329 supported hosts or targets.
7331 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7333 PR rtl-optimization/26725
7334 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7335 block's BB_DIRTY flag.
7337 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7339 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7342 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7343 to print an integer.
7345 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7347 * varasm.c (align_variable): New function.
7348 (get_block_for_decl): Apply align_variable to DECL before
7349 calculating section information.
7350 (assemble_variable): Split out alignment computation.
7352 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7354 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7357 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7359 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7360 MODE_PARTIAL_INT mode.
7361 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7362 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7364 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7365 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7367 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7369 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7371 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7372 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7373 MACFLAG_IH): Likewise.
7374 (movstricthi_1): Renamed from "*movstricthi".
7375 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7376 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7377 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7378 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7379 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7380 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7381 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7382 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7383 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7384 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7385 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7386 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7387 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7388 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7389 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7391 * doc/rtl.texi (ss_ashift): Improve wording.
7393 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7395 * dwarf2out.c (verify_marks_clear): New.
7396 (prune_unused_types): Call verify_marks_clear initially, not
7399 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7401 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7402 * doc/rtl.texi: Document them.
7403 * simplify-rtx.c (simplify_unary_operation,
7404 simplify_binary_operation_1): Don't abort when we see them.
7406 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7409 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7410 * configure.ac: Completely disregard languages that are not
7412 * configure: Regenerated.
7414 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7415 Richard Guenther <rguenther@suse.de>
7417 PR tree-optimization/27236
7418 * tree-inline.c (copy_body_r): Make sure to copy
7419 TREE_THIS_VOLATILE flag.
7421 2006-04-24 Richard Guenther <rguenther@suse.de>
7424 * tree-complex.c (update_parameter_components): Don't handle
7425 unused parameters which have no default def.
7427 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7428 Richard Guenther <rguenther@suse.de>
7430 PR tree-optimization/27218
7431 * tree-inline.c (expand_call_inline): Strip useless type
7432 conversions for the return slot address.
7434 2006-04-24 Richard Guenther <rguenther@suse.de>
7436 * cfgloop.h (struct loops): Remove unused field array. Reorder
7438 (LOOP_PREFETCH): Remove.
7440 2006-04-24 Richard Guenther <rguenther@suse.de>
7442 PR tree-optimization/22525
7443 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7444 variable, adjust types of generated expressions.
7446 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7448 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7449 (tree-vect-patterns.o): Likewise.
7451 (cselib.o): Likewise.
7452 (loop-doloop.o): Likewise.
7453 (regclass.o): Likewise.
7454 (reload1.o): Likewise.
7455 (explow.o): Replace target.h with $(TARGET_H).
7456 (ipa-prop.o): Likewise.
7457 (ipa-cp.o): Likewise.
7458 (ipa-inline.o): Likewise.
7459 (reorg.o): Likewise.
7460 (reg-stack.o): Likewise.
7462 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7464 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7466 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7468 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7470 * configure.ac: Completely disregard languages that are not
7472 * configure: Regenerated.
7475 * c-common.h (c_build_bitfield_integer_type): Declare.
7476 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7477 * c-common.c (c_build_bitfield_integer_type): ... here.
7479 2006-04-23 Roger Sayle <roger@eyesopen.com>
7482 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7483 a SImode SUBREG of a floating point register after no_new_pseudos.
7485 2006-04-23 Roger Sayle <roger@eyesopen.com>
7487 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7488 identify potentially eliminable registers to additionally catch
7489 VIRTUAL_INCOMING_ARGS_REGNUM.
7490 (addsi3): Update the conditions on when to use addsi_small_int.
7492 2006-04-23 Roger Sayle <roger@eyesopen.com>
7495 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7496 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7497 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7499 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7501 * fold-const.c (range_predecessor): Use operand_equal_p
7502 as the predicate for equality.
7503 (range_successor): Likewise.
7505 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7508 * config/soft-fp/op-common.h: Fix a typo.
7510 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7513 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7514 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7516 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7518 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7520 * doc/tm.texi: Fix a typo.
7522 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7524 * dwarf2out.c (struct die_struct): Document that die_sib makes
7525 a circular linked list.
7526 (FOR_EACH_CHILD): New.
7527 (reverse_die_lists): Delete.
7528 (reverse_all_dies): Delete.
7529 (add_dwarf_attr): Correct documentation.
7530 (remove_child_with_prev): New.
7531 (remove_child_TAG): Update for change to die_struct, use
7532 remove_child_with_prev.
7533 (add_child_die): Update for change to die_struct.
7534 (splice_child_die): Use remove_child_with_prev and add_child_die.
7535 (print_die): Use FOR_EACH_CHILD.
7536 (die_checksum): Likewise.
7537 (assign_symbol_names): Likewise.
7538 (output_location_lists): Likewise.
7539 (build_abbrev_table): Likewise.
7540 (calc_die_sizes): Likewise.
7541 (mark_dies): Likewise.
7542 (unmark_dies): Likewise.
7543 (unmark_all_dies): Likewise.
7544 (output_die): Likewise.
7545 (prune_unused_types_mark): Likewise.
7546 (prune_unused_types_walk): Likewise.
7547 (same_die_p): Update for change to die_struct.
7548 (break_out_includes): Likewise.
7549 (prune_unused_types_prune): Likewise.
7550 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7551 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7553 (dwarf2out_finish): Don't call reverse_all_dies.
7555 2006-04-21 Eric Christopher <echristo@apple.com>
7557 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7558 in comments and function names.
7560 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7563 * c-typeck.c (digest_init): Robustify.
7565 * c-typeck.c (pop_init_level): Simplify.
7567 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7569 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7571 2006-04-21 Paul Brook <paul@codesourcery.com>
7573 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7574 hardware floating point.
7576 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7578 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7581 2006-04-21 Nick Clifton <nickc@redhat.com>
7583 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7586 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7589 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7590 C++ lang type in traceback table for Objective-C++.
7592 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7594 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7596 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7598 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7601 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7602 were errors. Remove check for erroneous objects.
7604 2006-04-20 Jeff Law <law@redhat.com>
7606 PR tree-optimization/26854
7607 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7608 checking for zero or one use.
7609 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7610 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7611 * tree-ssa-reassoc.c (negate_value): Similarly.
7612 (reassociate_bb): Similarly.
7614 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7616 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7617 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7618 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7620 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7622 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7623 fp regs if the last fp arg doesn't fit in regs.
7625 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7628 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7629 that the last insn has the REG_INC note.
7631 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7632 Nathan Sidwell <nathan@codesourcery.com>
7635 * stor-layout.c (update_alignment_for_field): Do not align
7637 (place_union_field): Place union field at the start of the union.
7638 (place_field): Move ERROR_MARK check later, and use the current
7639 allocation position to maintain monotonicity.
7641 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7643 * dominance.c: Include timevar.h.
7644 (calculate_dominance_info): Use TV_DOMINANCE.
7645 * timevar.def (TV_DOMINANCE): New timevar.
7646 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7648 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7650 PR rtl-optimization/14261
7651 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7652 move would be an INSV insn.
7653 (noce_process_if_block): Don't optimize if the destination is a
7654 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7656 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7658 * config/s390/s390.md: Add comments with the instructions emitted
7659 by an insn pattern if macros are used.
7661 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7663 PR rtl-optimization/26026
7664 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7665 is a known power of two shifted left a variable amount.
7667 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7669 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7670 to hash table twice when the debug_str section has SECTION_MERGE.
7672 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7674 * config/soft-fp: New directory. From glibc.
7675 * config/soft-fp/t-softfp: New.
7676 * config/soft-fp/README: New.
7677 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7678 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7679 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7680 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7681 * config.gcc: Use rs6000/t-fprules-fpbit or
7682 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7684 * config/rs6000/sfp-machine.h: New. Based on glibc.
7685 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7687 * config/rs6000/t-fprules: Remove fp-bit rules.
7688 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7689 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7690 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7691 (softfp_wrap_start, softfp_wrap_end): New.
7693 2006-04-18 DJ Delorie <dj@redhat.com>
7695 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7697 2006-04-18 Devang Patel <dpatel@apple.com>
7699 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7701 2006-04-18 Nick Clifton <nickc@redhat.com>
7703 * config/sh/t-symbian: Add rule to build sh-c.o
7704 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7705 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7706 (sh_symbian_encode_section_info): Likewise.
7708 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7710 * builtins.c (expand_builtin_strcmp): Cover label definition of
7711 do_libcall with HAVE_cmpstrnsi.
7713 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7715 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7717 * function.h (temp_slot_p): New.
7718 (function): Change the type of x_used_temp_slots to
7719 VEC(temp_slot_p,gc) *.
7721 2006-04-18 Nick Clifton <nickc@redhat.com>
7723 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7724 flag_strength_reduce.
7726 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7728 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7732 Partial revert of revision 112637
7733 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7734 Dale Johannesen <dalej@apple.com>
7737 * regclass.c (struct reg_pref): Update documentation.
7738 (regclass): Set prefclass to NO_REGS if memory is the best option.
7739 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7741 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7743 PR tree-optimization/26821
7744 * tree-ssa-math-opts.c (get_constant_one): New.
7745 (insert_reciprocals): Use it.
7747 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7749 * dwarf2out.c (free_AT): Delete.
7750 (remove_AT): Update string ref counts.
7751 (remove_child_TAG): Don't call free_die.
7753 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7754 or DW_TAG_GNU_EINCL.
7755 (prune_unused_types_walk_attribs): Reset string refcounts.
7756 (prune_unused_types_update_strings): New.
7757 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7758 call free_die. Do call prune_unused_types_update_strings.
7759 (prune_unused_types): Empty debug_str_hash.
7761 2006-04-17 Roger Sayle <roger@eyesopen.com>
7763 * expr.c (expand_assignment): Optimize away no-op moves where the
7764 source and destination are equal and have no side-effects.
7766 2006-04-17 Richard Guenther <rguenther@suse.de>
7769 * reload.c (push_reload): Guard calls to get_secondary_mem
7772 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7774 * alias.c (reg_base_value, old_reg_base_value): Change the
7775 type to VEC(rtx,gc) *.
7776 (REG_BASE_VALUE, find_base_value, record_set,
7777 init_alias_analysis): Use VEC instead of VARRAY.
7779 * alias.c (alias_sets): Change the type to
7780 VEC(alias_set_entry,gc) *.
7781 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7782 VEC instead of VARRAY.
7783 (last_alias_set): Remove.
7785 * cgraph.h (cgraph_edge_p): New.
7786 Update the prototype of cgraph_function_versioning.
7787 * cgraphunit.c (cgraph_copy_node_for_versioning,
7788 cgraph_function_versioning): Use VEC instead of VARRAY.
7789 * ipa-cp.c (ipcp_insert_stage): Likewise.
7791 2006-04-16 Roger Sayle <roger@eyesopen.com>
7794 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7795 "A op B" or "A op C", we may need to convert A to the type of B and C.
7797 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7799 * target.h (struct gcc_target): Add mode_rep_extended.
7800 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7801 (init_num_sign_bit_copies_in_rep): Initialize it using
7803 (truncate_to_mode): Use it.
7804 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7805 * targhooks.h (default_mode_rep_extended): Declare it.
7806 * targhooks.c (default_mode_rep_extended): Define it.
7807 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7808 default_mode_rep_extended.
7809 (TARGET_INITIALIZER): Include it.
7810 * doc/tm.texi (Misc): Document it.
7811 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7812 (mips_truncated_to_mode): New function.
7814 2006-04-16 Roger Sayle <roger@eyesopen.com>
7817 * expr.c (compress_float_constant): Copy the narrow constant into
7818 a new pseudo before extending it to its final width.
7820 2006-04-16 Roger Sayle <roger@eyesopen.com>
7821 Andrew Pinski <pinskia@gcc.gnu.org>
7822 Dale Johannesen <dalej@apple.com>
7825 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7826 special case code to implement V8HImode and V16QImode with SSE2.
7828 2006-04-15 Roger Sayle <roger@eyesopen.com>
7830 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7831 trees are constructed with a suitable tree type.
7833 2006-04-15 Roger Sayle <roger@eyesopen.com>
7835 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7836 (integer_onep): Likewise.
7837 (integer_all_onesp): Likewise.
7838 (integer_pow2p): Likewise.
7839 (integer_nonzerop): Likewise.
7840 (real_zerop): Likewise.
7841 (real_onep): Likewise.
7842 (real_twop): Likewise.
7843 (real_minus_onep): Likewise.
7844 (int_size_in_bytes): Likewise.
7845 (host_integerp): Likewise.
7847 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7849 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7850 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7851 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7853 * tree-ssa-structalias.h (alias_info): Remove num_references.
7855 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7857 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7858 (output_bvb patterns): Likewise.
7859 * pa.c (output_bb): Use 'bb' insn for long branch case.
7860 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7861 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7862 1. Correct length operand for alternatives 1 and 2.
7863 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7864 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7866 2006-04-14 Roger Sayle <roger@eyesopen.com>
7868 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7869 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7870 were accidentally reverted by r112959.
7872 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7875 * except.h (eh_region_outermost): New prototype.
7876 * except.c (eh_region_outermost): New function.
7877 * tree-cfg.c (find_outermost_region_in_block): Use it.
7879 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7881 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7883 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7884 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7885 (init_reload, reload): Use VEC instead of VARRAY.
7886 * reload.h: Update the prototype for
7887 reg_equiv_memory_loc_varray.
7889 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7890 Eric Botcazou <ebotcazou@libertysurf.fr>
7892 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7895 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7898 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7899 to expand fallback builtin function call.
7901 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7904 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7905 and emit libcall here in case the builtin fails.
7906 (expand_builtin_strcmp): Always emit the libcall here on failure.
7908 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7910 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7911 * flow.c (reg_n_info): Change the type to
7912 VEC(reg_info_p,heap) *.
7913 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7915 * regs.h (reg_info_p): New.
7916 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7917 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7918 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7921 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7923 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7925 * params.h (MAX_SCHED_READY_INSNS): New macro.
7926 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7927 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7928 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7929 the ready list for 1 cycle during the first scheduling pass.
7930 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7932 2006-04-13 Richard Henderson <rth@redhat.com>
7935 * gimple-low.c (lower_omp_directive): Remove dead code.
7936 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7937 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7938 * omp-low.c (struct omp_region): Move to tree-flow.h.
7939 (root_omp_region): Export.
7940 (omp_regions, lookup_omp_region): Remove.
7941 (determine_parallel_type): Update for struct omp_region changes.
7942 (dump_omp_region): Dump regions with block numbers.
7943 (new_omp_region): Take type and block instead of stmt; malloc
7945 (free_omp_region_1, free_omp_regions): New.
7946 (expand_parallel_call): Take entry_stmt as argument; update for
7947 changes to omp_region.
7948 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7949 (remove_exit_barriers): New.
7950 (expand_omp_parallel): Update for struct omp_region changes.
7951 (expand_omp_synch): Likewise.
7952 (expand_omp): Likewise.
7953 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7954 (expand_omp_for_static_chunk): Likewise.
7955 (expand_omp_for): Likewise.
7956 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7957 (expand_omp_sections): Similarly, with GOMP_sections_end.
7958 (expand_omp_single): New.
7959 (build_omp_regions_1): Update for OMP_CONTINUE.
7960 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7961 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7962 OMP_SECTIONS_SECTIONS.
7963 (lower_omp_single_simple): Don't emit barrier here.
7964 (lower_omp_single_copy): Likewise.
7965 (lower_omp_single): Fix bindings, and lower to straightline now.
7966 (lower_omp_master, lower_omp_ordered): Likewise.
7967 (lower_omp_critical): Likewise.
7968 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7969 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7970 omp edges, free it afterward.
7971 (make_omp_sections_edges): Remove.
7972 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7973 (move_stmt_r): Handle OMP_CONTINUE.
7974 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7975 statement pointers to basic blocks. Add type member.
7976 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7977 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7978 * tree-inline.c (estimate_num_insns_1): Likewise.
7979 * tree-pretty-print.c (dump_generic_node): Likewise.
7980 * tree-ssa-operands.c (get_expr_operands): Likewise.
7981 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7982 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7983 (OMP_CONTINUE): New.
7984 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7985 (OMP_SECTIONS_SECTIONS): Remove.
7986 (OMP_SECTION_LAST): New.
7987 (OMP_RETURN_NOWAIT): New.
7989 2006-04-13 Roger Sayle <roger@eyesopen.com>
7991 * fold-const.c (native_encode_vector, native_interpret_real):
7992 Correct obvious mistakes in the previous check-in.
7994 2006-04-13 Roger Sayle <roger@eyesopen.com>
7996 * fold-const.c (native_encode_expr): New function to encode
7997 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7998 or VECTOR_CST into a specified buffer.
7999 (native_encode_int): New function.
8000 (native_encode_real): New function.
8001 (native_encode_complex): New function.
8002 (native_encode_vector): New function.
8003 (native_interpret_expr): Inverse of native_encode_expr to convert
8004 a target representation into an INTEGER_CST, REAL_CST etc...
8005 (native_interpret_int): New function.
8006 (native_interpret_real): New function.
8007 (native_interpret_complex): New function.
8008 (native_interpret_vector): New function.
8009 (fold_view_convert_expr): New function to constant fold/evaluate
8010 a VIEW_CONVERT_EXPR of a suitable constant expression.
8011 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8012 Change call of build1 to fold_build1 when constructing a
8015 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8016 Ulrich Weigand <uweigand@de.ibm.com>
8019 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8022 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8025 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8026 optimize to lo_sum for DFmode if !TARGET_FPRS.
8028 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8030 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8031 delete_alias_info, compute_flow_sensitive_aliasing,
8032 group_aliases): Use VEC instead of VARRAY.
8033 * tree-ssa-structalias.c (update_alias_info): Likewise.
8034 * tree-ssa-structalias.h (alias_info): Change the type of
8035 processed_ptrs to VEC(tree,heap) *.
8037 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8040 * config/sh/lib1funcs.h: New file, broken out of:
8041 * config/sh/lib1funcs.asm.
8042 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8044 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8045 * config/sh/lib1funcs-Os-4-200.asm: New file.
8046 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8047 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8048 (EXTRA_MULTILIB_PARTS): Include it.
8049 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8050 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8051 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8052 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8055 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8057 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8058 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8059 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8061 * tree-ssa-live.h: Include vecprim.h.
8062 (tree_partition_associator_d): Change the type of
8063 first_partition to VEC(int,heap) *.
8064 (tpa_first_partition): Use VEC instead of VARRAY.
8066 * Makefile.in (GTFILES): Move functions.h after tree.h.
8067 * function.c (reset_block_changes, record_block_change,
8068 check_block_change, free_block_changes): Use VEC instead of
8070 * function.h (function): Change the type of
8071 ib_boundaries_block to VEC(tree,gc) *.
8072 * tree-inline.c (copy_cfg_body): Initialize
8073 ib_boundaries_block to NULL instead of (varray_type) 0.
8075 2006-04-12 Roger Sayle <roger@eyesopen.com>
8077 * expr.c (emit_group_store): Correct operand order in call to
8078 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8079 a SUBREG_BYTE of zero.
8081 2006-04-12 Richard Guenther <rguenther@suse.de>
8083 * profile.c (compute_branch_probabilities): Remove code
8084 encapsulated in !ir_type (), which are remanents of the
8085 removed RTL profiling code.
8086 * rtl-profile.c: Remove.
8088 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8090 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8091 magic NULL_RTX comment.
8092 (function_arg): Store entire fp arg to mem if any part should go
8094 (rs6000_arg_partial_bytes): Adjust for above change.
8096 2006-04-11 Roger Sayle <roger@eyesopen.com>
8098 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8099 if it hasn't been initialized by dwarf2out_init.
8101 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8103 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8104 symbolic constants in branch patterns.
8106 2006-04-11 Roger Sayle <roger@eyesopen.com>
8108 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8110 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8112 PR rtl-optimization/27073
8113 * gcse.c (try_replace_reg): Revert last change. Continue to search
8114 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8117 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8119 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8120 aggregate types other than record and union types.
8121 (function_arg): Likewise.
8122 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8124 (function_value): In 64-bit mode, return objects that require it
8127 2006-04-11 Roger Sayle <roger@eyesopen.com>
8129 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8131 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8133 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8135 2006-04-03 Jeff Law <law@redhat.com>
8138 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8139 alias information too.
8141 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8143 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8145 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8148 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8149 (premark_used_types_helper): New.
8150 (premark_used_types): New.
8151 (gen_subprogram_die): Call premark_used_types.
8152 (prune_unused_types_walk): Do not prune perennial dies.
8153 * function.c (used_types_insert): New.
8154 * function.h (struct function): Add used_types_hash field.
8155 (used_types_insert): Add prototype.
8156 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8157 * c-parser.c (c_parser_cast_expression): Save casted types in used
8160 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8163 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8164 rs6000_explicit_options.float_gprs.
8166 2006-04-10 Roger Sayle <roger@eyesopen.com>
8168 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8169 from ix86_expand_vector_init_low_nonzero. Take an additional
8170 one_var argument indicating which element is non-zero. Support
8171 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8172 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8173 with one_var instead of ix86_expand_vector_init_low_nonzero.
8175 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8177 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8178 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8179 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8180 build/genextract.o): Depend on vecprim.h.
8181 * cfglayout.c, df-problems.c, function.c, genextract.c,
8182 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8183 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8187 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8189 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8190 Declare VECs of this type.
8191 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8192 (remove_children): Delete.
8193 (add_dwarf_attr): Use VEC routines.
8194 (add_AT_flag): Update for changes to add_dwarf_attr.
8195 (add_AT_int): Likewise.
8196 (add_AT_unsigned): Likewise.
8197 (add_AT_long_long): Likewise.
8198 (add_AT_vec): Likewise.
8199 (add_AT_string): Likewise.
8200 (add_AT_die_ref): Likewise.
8201 (add_AT_fde_ref): Likewise.
8202 (add_AT_loc): Likewise.
8203 (add_AT_loc_list): Likewise.
8204 (add_AT_addr): Likewise.
8205 (add_AT_lbl_id): Likewise.
8206 (add_AT_lineptr): Likewise.
8207 (add_AT_macptr): Likewise.
8208 (add_AT_offset): Likewise.
8209 (add_AT_range_list): Likewise.
8210 (get_AT): Use VEC_iterate.
8211 (remove_AT): Use VEC_ordered_remove.
8212 (free_die): Fold remove_children into here; have it use VEC_iterate.
8213 (print_die): Use VEC_iterate on attrs.
8214 (reverse_die_lists): Don't reverse attr lists.
8215 (die_checksum): Use VEC_iterate on attrs.
8216 (same_die_p): Likewise.
8217 (output_location_lists): Likewise.
8218 (build_abbrev_table): Likewise.
8219 (size_of_die): Likewise.
8220 (unmark_all_dies): Likewise.
8221 (output_abbrev_section): Likewise.
8222 (output_die): Likewise.
8223 (prune_unused_types_walk_attribs): Likewise.
8225 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8227 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8229 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8232 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8234 2006-04-09 Roger Sayle <roger@eyesopen.com>
8236 * expr.c (store_constructor): Don't bother clearing target if
8237 we're about to assign a vector to it using vec_init_optab.
8239 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8241 * tree-ssa-alias.c (lhs_may_store_to): New function.
8242 (recalculate_used_alone): Handle LHS of calls.
8244 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8248 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8249 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8250 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8251 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8252 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8253 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8254 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8255 stubs. Add ".align 8" directives before all ".dword" directives.
8256 (GTHREAD_USE_WEAK): Revise comment.
8257 (TARGET_ATTRIBUTE_WEAK): Define.
8258 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8259 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8260 * stublib.c: New file.
8265 * pa.md (cbranch patterns): Revise arguments used in calls to
8266 output_cbranch, output_bb and output_bvd. Add long branch length
8268 (fbranch patterns): Handle long branches.
8269 (jump): Revise length check. Revise arguments for output_lbranch call.
8270 Add long branch length attributes.
8271 (decrement_and_branch_until_zero): Add long branch length attributes.
8272 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8273 Likewise. Revise arguments for output_parallel_addb and
8274 output_parallel_movb calls.
8275 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8276 output_parallel_movb and output_parallel_addb): Update prototypes.
8277 * pa.c (output_cbranch): Revise arguments. Correct handling of
8278 nullification in long branches.
8279 (output_lbranch): Add new argument to control extraction of delay
8281 (output_bb): Handle long branches.
8282 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8283 output_parallel_addb): Likewise.
8285 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8287 PR rtl-optimization/27073
8288 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8291 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8293 * tree.h (tree_memory_tag): Add old_used_alone.
8294 (SMT_OLD_USED_ALONE): New macro.
8295 * tree-ssa-alias.c (recalculate_used_alone): Stop
8296 marking things for renaming unnecessarily.
8298 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8300 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8301 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8302 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8303 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8304 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8305 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8306 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8307 spelling convensions.
8308 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8309 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8310 typos. Follow spelling conventions.
8312 2006-04-07 DJ Delorie <dj@redhat.com>
8314 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8315 passed on the stack.
8316 (m32c_init_cumulative_args): When a function returns a structure,
8317 always pass the pointer to that return area on the stack.
8318 (m32c_function_arg_advance): Don't increment the parameter number
8319 if we're processing the returned structure pointer.
8320 (pushm_info): Reverse order of registers.
8322 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8324 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8325 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8326 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8327 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8329 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8330 chrec_fold_multiply): Same.
8331 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8332 force_expr_to_var_cost): Same.
8333 * tree-mudflap.c (mf_xform_derefs_1): Same.
8334 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8336 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8338 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8339 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8342 2006-04-07 Jan Hubicka <jh@suse.cz>
8344 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8346 2006-04-07 Richard Guenther <rguenther@suse.de>
8348 PR tree-optimization/26135
8349 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8350 loads for store copy-prop.
8351 (copy_prop_visit_stmt): Likewise.
8353 2006-04-05 Robert Millan <robertmh@gnu.org>
8355 * config/i386/linux.h: Add a comment to mark macros that are
8356 being overriden in config/k*bsd-gnu.h.
8357 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8359 * config/knetbsd-gnu.h: Ditto.
8361 2006-04-06 Jan Hubicka <jh@suse.cz>
8365 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8368 2006-04-06 Mike Stump <mrs@apple.com>
8370 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8371 for HAVE_nonlocal_goto to be consistent.
8372 (expand_builtin_nonlocal_goto): Likewise.
8373 (expand_builtin_strcmp): Use #ifdef instead of #if
8374 for HAVE_cmpstrnsi to be consistent.
8376 2006-04-05 DJ Delorie <dj@redhat.com>
8378 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8381 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8383 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8384 got-relative addressing for anything but SImode.
8386 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8387 even if the calling function doesn't modify them.
8389 2006-04-05 Richard Guenther <rguenther@suse.de>
8391 PR tree-optimization/26919
8392 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8393 to cgraph_estimate_size_after_inlining.
8395 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8397 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8399 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8401 PR tree-optimization/26996
8402 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8403 VECTOR_TYPE variables.
8405 2006-04-05 Richard Guenther <rguenther@suse.de>
8407 PR tree-optimization/26763
8408 * fold-const.c (fold_comparison): Move folding of
8409 PTR + CST CMP PTR + CST ...
8410 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8412 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8414 * doc/install.texi (Prerequisites): Refine some wording on
8415 bootstrapping and ksh.
8416 Move the version numbers of DejaGnu here from the testing section
8417 and fix casing of names.
8418 Fix markup and clarify wording for autogen requirements.
8419 Refer to GCJ instead of just java.
8420 Refer to SVN instead of CVS.
8421 Describe diffutils as useful instead of necessary.
8422 (Downloading the source): Refer to SVN instead of CVS.
8423 Adjust a link to our web site accordingly.
8424 (Configuration): Fix casing of Bison.
8425 (Building): Refer to SVN instead of CVS.
8426 Fix a sentence on the use of Bison and remove duplicate (and
8427 incorrect) version number of Bison requirement.
8428 Remove one redundant list of packages needed for building.
8429 (Specific): Avoid reference to CVS.
8431 2006-04-04 Eric Christopher <echristo@apple.com>
8433 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8434 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8435 (rs6000_handle_struct_attribute): New.
8436 (rs6000_ms_bitfield_layout_p): Ditto.
8438 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8440 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8441 NULL for dso parameter to atexit_common.
8443 2006-04-04 Eric Christopher <echristo@apple.com>
8445 * config/i386/i386.c (machopic_output_stub): Output \t
8446 between instructions and operands.
8448 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8450 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8451 satisfies_constraint_[IL] to explicit tests on value.
8453 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8455 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8456 set_nb_iterations_in_loop): Use build_int_cst instead of
8458 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8459 build_int_cst instead of convert.
8461 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8463 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8464 new value 2 for incoming.
8465 * function.c (expand_function_start): Call struct_value_rtx
8467 * config/sparc/sparc.md: Comment updated_return.
8468 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8469 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8470 struct return if sparc_std_struct_return and incoming is 2.
8471 (print_operand): Do not adjust return if
8472 sparc_std_struct_return.
8474 2006-04-04 Roger Sayle <roger@eyesopen.com>
8476 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8477 convert in the middle-end.
8478 * expr.c (store_expr, store_constructor, get_inner_reference,
8479 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8481 * tree.c (build_range_type): Likewise.
8483 2006-04-04 Tom Tromey <tromey@redhat.com>
8485 * doc/install.texi (Prerequisites): Mention jar.
8487 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8489 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8492 2006-04-04 Matthias Klose <doko@debian.org>
8494 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8498 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8501 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8503 * doc/extend.texi (Function Attributes): Rewrite visibility
8504 attribute documentation.
8505 * doc/invoke.texi (C++ Dialect Options): Rewrite
8506 -fvisibility-inlines-hidden documentation to describe something
8507 entirely different, although in practise compatible.
8508 (Code Gen Options): Warn about system headers in -fvisibility=
8511 * doc/extend.texi (Other Builtins): Document that
8512 __builtin_nan is a compile-time constant only when its argument
8515 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8517 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8518 trying to remove TRUNCATE check if all bits outside the new mode
8519 are identical to the sign bit.
8521 2006-04-03 Jeff Law <law@redhat.com>
8523 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8524 and operand scanning in some common cases.
8526 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8527 Dale Johannesen <dalej@apple.com>
8530 * regclass.c (struct reg_pref): Update documentation.
8531 (regclass): Set prefclass to NO_REGS if memory is the best option.
8532 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8533 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8534 into account. For non-registers, equate an empty preferred
8535 reload class to a `!' in the constraint; move the if clause to
8536 do so after those that reject the insn.
8537 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8539 (find_dummy_reload): Likewise.
8540 * doc/tm.texi (Register Classes): Document what it means
8541 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8542 * config/i386/i386.c (ix86_preferred_reload_class): Force
8543 using SSE registers (and return NO_REGS for floating-point
8544 constants) if math is done with SSE.
8545 (ix86_preferred_output_reload_class): New.
8546 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8547 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8548 * config/i386/i386.md: Remove # register preferences.
8550 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8553 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8554 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8555 the type of nb_iter.
8556 (instantiate_parameters_1): Convert the operands before calling
8557 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8558 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8560 2006-04-02 Roger Sayle <roger@eyesopen.com>
8562 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8563 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8565 * dojump.c (do_jump): Likewise.
8566 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8567 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8568 gimplify_boolean_expr): Likewise.
8569 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8570 * varasm.c (array_size_for_constructor): Likewise.
8571 * tree-object-size.c (compute_object_offset): Likewise.
8573 2006-04-02 Roger Sayle <roger@eyesopen.com>
8576 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8577 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8579 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8581 PR tree-optimization/26939
8582 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8584 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8586 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8587 at_stmt. Convert the type of operands before calling
8588 build_polynomial_chrec.
8589 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8591 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8592 (instantiate_parameters_1): Convert the type of operands before calling
8593 build_polynomial_chrec.
8594 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8595 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8596 reset_evolution_in_loop): Insert asserts to check the types of the
8598 (chrec_type): Moved...
8599 (eq_evolutions_p): Use operand_equal_p.
8600 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8601 the types of the operands.
8602 (chrec_type): ...here.
8603 * tree-data-ref.c (create_data_ref): Convert the operands before
8604 calling chrec_replace_initial_condition.
8605 (same_access_functions, analyze_subscript_affine_affine,
8606 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8607 (compute_subscript_distance, analyze_ziv_subscript,
8608 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8609 analyze_miv_subscript): Convert the operands before calling
8610 chrec_fold_minus or chrec_fold_plus.
8612 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8614 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8615 the dependence_relations vector.
8616 (compute_data_dependences_for_loop): Adjust call to
8617 compute_all_dependences.
8619 2006-04-01 Roger Sayle <roger@eyesopen.com>
8620 Richard Henderson <rth@redhat.com>
8622 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8623 gimple_boolify on the condition before calling gimplify_expr.
8625 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8627 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8628 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8629 the frame size. Update to use the new macros.
8630 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8631 * config/xtensa/ieee754-df.S: Likewise.
8633 2006-03-31 Richard Henderson <rth@redhat.com>
8635 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8636 (make_edges): ... here. Control fallthru creation with a local
8637 variable. Do not play with fake edges.
8638 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8639 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8642 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8644 * dwarf2.h (DW64_CIE_ID): Define.
8645 * dwarf2out.c (DWARF_CIE_ID): Define.
8646 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8647 length header. Use DWARF_CIE_ID.
8648 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8649 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8651 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8653 * config/sh/linux-atomic.asm: New file.
8654 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8656 2006-03-31 DJ Delorie <dj@redhat.com>
8658 * config/m32c/cond.md: Set condition flags properly throughout.
8659 * config/m32c/minmax.md: Likewise.
8660 * config/m32c/prologue.md: Likewise.
8661 * config/m32c/bitops.md: Likewise.
8662 * config/m32c/muldiv.md: Likewise.
8663 * config/m32c/mov.md: Likewise.
8664 * config/m32c/addsub.md: Likewise.
8665 * config/m32c/m32c.md: Likewise.
8666 * config/m32c/jump.md: Likewise.
8667 * config/m32c/shift.md: Likewise.
8669 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8670 conditionally output the pattern for this.
8671 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8672 (m32c_compare_redundant): New.
8673 (m32c_output_compare): New.
8674 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8676 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8677 dest, not src. Allow other 4-byte modes.
8679 2006-03-30 Denis Chertykov <denisc@overta.ru>
8681 * doc/md.texi: Refer to avr/constraints.md instead of
8684 2006-03-30 Roger Sayle <roger@eyesopen.com>
8686 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8687 signed vs. unsigned comparison failures on some hosts.
8689 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8692 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8693 change to FLOAT_REGS.
8695 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8696 (rs6000_override_options): Use it.
8697 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8698 only for -mabi=spe/no-spe and -mabi=altivec.
8700 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8702 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8705 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8707 * Makefile.in: Rename docdir to gcc_docdir.
8709 2006-03-30 Roger Sayle <roger@eyesopen.com>
8712 * expr.c (emit_group_store): Optimize group stores into a pseudo
8713 register by using a paradoxical subreg to initialize the destination
8714 if the first or last member of the group specifies a "low part".
8716 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8719 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8720 * target.h (struct gcc_target.speculate_insn): Change type of the
8721 second parameter to 'int'.
8722 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8723 the second operand of the DEPS_LIST.
8724 (copy_DEPS_LIST_list): Update reference to the second operand of the
8726 * rtl.h (alloc_DEPS_LIST): Update signature.
8727 * sched-int.h (ds_t): Change typedef to 'int'.
8728 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8730 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8732 * haifa-sched.c (try_ready): Change condition to restore
8733 non-speculative pattern of the instruction.
8734 (process_insn_depend_be_in_spec): Code to keep probability of the
8735 speculative dependence non-decreasing.
8737 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8739 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8740 (single_move_for_movmem): ... this. Also change all uses.
8741 (bfin_expand_strmov): Renamed to...
8742 (bfin_expand_movmem): ... this. Also change all uses.
8743 * config/bfin/bfin.md (movstrsi): Renamed to...
8744 (movstrsi): ...this.
8746 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8748 PR tree-optimization/26830
8750 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8751 (copy_prop_visit_stmt): Remove write-only variable ann.
8752 (init_copy_prop): Check variable loop depth here. Do not simulate
8753 memory-tag and virtual operand PHIs except for store copy prop.
8755 2006-03-30 Richard Guenther <rguenther@suse.de>
8757 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8758 variants with double arguments.
8760 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8762 * genpreds.c (write_tm_constrs_h): Delete variable p.
8763 * genconditions.c (write_header): Add tm-constrs.h to included
8765 * genpeep.c (main): Add toplev.h to included headers.
8766 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8767 (build/genpeep.o): Add toplev.h dependency.
8768 * config/rs6000/constraints.md: Add "W" constraint.
8770 2006-03-29 Roger Sayle <roger@eyesopen.com>
8772 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8773 sizes by correctly testing whether the size fits a host integer.
8774 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8775 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8776 SImode range for the default sizetype and bitsizetype.
8778 2006-03-29 Roger Sayle <roger@eyesopen.com>
8780 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8781 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8782 quickly if the argument is already of the correct type.
8783 Call fold_build1 instead of build1. Tidy up blank lines.
8785 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8787 * genemit.c (main): Add tm-constrs.h to included headers.
8788 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8789 * genpeep.c (main): Add tm-constrs.h to included headers.
8790 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8791 (write_tm_constrs_h): this and write complete file.
8792 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8793 (write_insn_preds_c): Add tm-constrs.h to included headers.
8794 (gen_constrs): New variable.
8795 (parse_option): Parse "-c".
8796 (main): Invoke write_tm_constrs_h.
8797 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8798 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8799 (object_out_file): Add tm-constrs.h dependency.
8800 (insn-emit.o): Same.
8801 (insn-output.o): Same.
8802 (insn-peep.o): Same.
8803 (insn-preds.o): Same.
8804 (insn-recog.o): Same.
8805 (tm-constsr.h): New target.
8806 (s-constrs-h): New target.
8808 * config/rs6000/constraints.md: New file.
8809 * config/rs6000/rs6000.c: Include tm-constrs.h.
8810 (num_insn_constant_wide): Convert to satisfies_constraint.
8811 (rs6000_rtx_costs): Convert to satisfies_constraint.
8812 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8813 (CONST_OK_FOR_LETTER_P): Delete.
8814 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8815 (EXTRA_CONSTRAINT): Delete.
8816 (EXTRA_MEMORY_CONSTRAINT): Delete.
8817 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8818 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8819 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8820 satisfies_constraint.
8822 * config/i386/i386.c: Include tm-constrs.h.
8824 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8826 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8827 * tree-data-ref.c (find_data_references_in_loop,
8828 compute_data_dependences_for_loop): Use pointers to VEC.
8829 (analyze_all_data_dependences): Adjust calls.
8830 * tree-data-ref.h (find_data_references_in_loop,
8831 compute_data_dependences_for_loop): Adjust declarations.
8832 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8833 compute_data_dependences_for_loop.
8835 2006-03-29 Paul Brook <paul@codesourcery.com>
8837 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8840 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8842 PR tree-optimization/26859
8843 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8845 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8846 for the step after fold_convert.
8848 2006-03-29 Paul Brook <paul@codesourcery.com>
8850 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8851 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8853 2006-03-29 Paul Brook <paul@codesourcery.com>
8856 * targhooks.c (default_narrow_bitfield): New fuction.
8857 * targhooks.h (default_narrow_bitfield): add prototype.
8858 * target.h (gcc_target): Add narrow_volatile_bitfield.
8859 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8860 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8861 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8862 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8864 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8866 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8868 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8869 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8870 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8871 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8872 (s390_function_arg_float): Allow SDmode and DDmode values to be
8873 passed in floating point registers.
8874 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8875 check with SCALAR_FLOAT_MODE_P.
8876 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8878 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8880 PR tree-optimization/25985
8881 * tree-ssa-loop-niter.c (number_of_iterations_le,
8882 number_of_iterations_ne): Make comments more precise.
8883 (number_of_iterations_cond): Add only_exit argument. Use the
8884 fact that signed variables do not overflow only when only_exit
8886 (loop_only_exit_p): New.
8887 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8888 number_of_iterations_cond.
8890 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8892 PR tree-optimization/26643
8893 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8896 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8898 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8899 (divsi3_i4_int): Likewise.
8901 2006-03-28 Roger Sayle <roger@eyesopen.com>
8903 * expr.c (emit_group_store): Only create a new pseudo reg if the
8904 quantity it needs to hold isn't already a suitable pseudo.
8906 2006-03-28 Jeff Law <law@redhat.com>
8908 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8909 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8911 2006-03-28 Roger Sayle <roger@eyesopen.com>
8913 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8914 the equivalent ~X & Y, and the symmetry related transformations.
8915 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8916 ~X & Y, and symmetry related transforms.
8918 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8920 Revert my 2006-03-27 patches.
8922 2006-03-28 Roger Sayle <roger@eyesopen.com>
8924 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8925 ~(T1)X, when T1 and T2 are integer types of the same precision
8926 and (T2)X isn't an extension.
8928 2006-03-28 Jeff Law <law@redhat.com>
8930 PR tree-optimization/26796
8931 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8932 need EH edge cleanups rather than purging them immediately.
8933 (eliminate_degenerate_phis): Handle queued EH cleanups.
8935 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8937 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8940 2006-03-27 Roger Sayle <roger@eyesopen.com>
8943 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8944 cast BIT_NOT_EXPR operand to the correct type.
8946 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8948 * tree-loop-linear.c: Don't include varray.h.
8949 (gather_interchange_stats, try_interchange_loops,
8950 linear_transform_loops): Use VEC instead of VARRAY.
8951 * lambda-mat.c: Don't include varray.h.
8952 * tree-chrec.c: Same.
8953 * lambda-trans.c: Same.
8954 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8955 VEC instead of VARRAY.
8956 * tree-vectorizer.h: Idem.
8957 * tree-data-ref.c (dump_data_references,
8958 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8959 initialize_data_dependence_relation, finalize_ddr_dependent,
8960 compute_all_dependences, find_data_references_in_loop,
8961 compute_data_dependences_for_loop, analyze_all_data_dependences,
8962 free_dependence_relation, free_dependence_relations,
8963 free_data_refs): Idem.
8964 * tree-data-ref.h (data_reference_p, subscript_p): New.
8965 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8966 VEC instead of VARRAY.
8967 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8968 (find_data_references_in_loop, compute_data_dependences_for_loop,
8969 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8970 dump_data_dependence_relations, free_dependence_relations,
8971 free_data_refs): Adjust declaration.
8972 (lambda_transform_legal_p): Move declaration here...
8973 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8974 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8975 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8976 vect_analyze_data_refs): Use VEC instead of VARRAY.
8977 * lambda.h (lambda_transform_legal_p): ...from here.
8978 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8979 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8980 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8981 tree-chrec.o): Don't depend on VARRAY_H.
8983 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8985 * rtl.def (Copyright): Update date.
8986 (DEPS_LIST): Change type of the second operand to 'int'.
8987 * target.h (Copyright): Update date.
8988 (struct gcc_target.speculate_insn): Change type of the second parameter
8990 * lists.c (Copyright): Update date.
8991 (alloc_DEPS_LIST): Change signature. Update reference to the second
8992 operand of the DEPS_LIST.
8993 (copy_DEPS_LIST_list): Update reference to the second operand of the
8995 * rtl.h (Copyright): Update date.
8996 (alloc_DEPS_LIST): Update signature.
8997 * sched-int.h (Copyright): Update date.
8998 (ds_t): Change typedef to 'int'.
8999 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9001 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9003 * haifa-sched.c (Copyright): Update date.
9004 (try_ready): Change condition to restore non-speculative pattern
9006 (process_insn_depend_be_in_spec): Code to keep probability of the
9007 speculative dependence non-decreasing.
9009 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9011 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9012 shut up the compiler.
9014 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9016 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9017 to use lib prefix for target.
9018 ($(T)libic_invalidate_array_4-200.a): Likewise.
9019 ($(T)libic_invalidate_array_4a.a): Likewise.
9021 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9022 J"orn Rennecke <joern.rennecke@st.com>
9024 * superh.opt: New file.
9025 * sh.c (boardtype, osruntime): Remove.
9026 * superh.h (SUBTARGET_OPTIONS): Remove.
9027 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9029 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9030 arguments with ^ and/or [].
9032 * config.gcc (sh-*-*): Add quoting to account for quirk of
9034 Replace == with = in enable_incomplete_targets test.
9036 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9037 with MASK_LITTLE_ENDIAN.
9039 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9040 * config/sh/sh.opt: Added to some comments.
9041 * config/sh/superh.h: Removed some chaff.
9043 * config/sh/sh.opt: Add m4-[1234]00* options.
9044 * config/sh/sh.c (sh_handle_option): Likewise.
9045 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9046 (ic_invalidate_array_4-100.o): New rule.
9047 ($(T)libic_invalidate_array_4-100.a): Likewise.
9048 (ic_invalidate_array_4-200.o): Likewise.
9049 ($(T)libic_invalidate_array_4-200.a): Likewise.
9050 (ic_invalidate_array_4a.o): Likewise.
9051 ($(T)libic_invalidate_array_4a.a): Likewise.
9052 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9053 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9055 * config/sh/crt1.asm: Merged in profiling code.
9056 * config/sh/superh.h (STARTFILE_SPEC): Override.
9057 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9058 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9059 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9061 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9062 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9063 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9065 * sh.opt (mpretend-cmove): New option.
9066 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9067 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9068 (movsicc): Add TARGET_PRETEND_CMOVE code.
9070 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9072 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9073 s390_class_max_nregs): New function prototypes.
9074 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9075 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9076 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9077 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9079 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9081 * dwarf2out.c (add_location_or_const_value_attribute): Call
9082 tree_add_const_value_attribute if nothing else works.
9083 (reference_to_unused): New.
9084 (rtl_for_decl_init): Use reference_to_unused to decide whether
9085 to output an initializer.
9087 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9090 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9091 peephole removing spe frob_di_df_2.
9093 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9095 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9096 (subscript_dependence_tester_1): Declared.
9097 (print_dir_vectors, print_dist_vectors): New.
9098 (debug_data_dependence_relation): New.
9099 (dump_data_dependence_relation): Print more details.
9100 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9101 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9102 (save_dist_v, save_dir_v, add_outer_distances,
9103 build_classic_dist_vector_1): New.
9104 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9105 Don't test for lambda_vector_lexico_pos.
9106 (same_access_functions, add_multivariate_self_dist,
9107 add_other_self_distances, dir_from_dist): New.
9108 (build_classic_dir_vector): Replace implementation almost identical to
9109 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9111 (subscript_dependence_tester_1): New.
9112 (subscript_dependence_tester): Handle the lexicographically negative
9113 distance vectors by recomputing the dependence relation.
9114 (compute_affine_dependence): Remove parameter loop_nest_depth.
9115 (compute_self_dependence): Don't call compute_subscript_distance.
9116 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9117 Add a parameter for the loop_nest.
9118 (find_loop_nest_1, find_loop_nest): New.
9119 (compute_data_dependences_for_loop): Compute the loop nest, and give
9120 up if the nest is not well formed.
9121 * tree-data-ref.h (loop_p): New.
9122 (struct data_dependence_relation): Replace size_vect field with
9123 loop_nest, a vec of loops.
9124 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9125 (DDR_LOOP_NEST): New.
9126 (print_dir_vectors, print_dist_vectors,
9127 debug_data_dependence_relation): Declared.
9128 (index_in_loop_nest): New.
9129 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9130 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9133 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9135 * simplify-rtx.c (simplify_relational_operation): Call
9136 simplify_relational_operation_1 even if mode is VOIDmode.
9138 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9140 PR tree-optimization/26804
9141 * tree.h (DECL_CALL_CLOBBERED): New macro.
9142 (tree_decl_common): Add call_clobbered_flag.
9143 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9144 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9145 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9146 (mark_non_addressable): Ditto.
9147 * tree-ssa.c (verify_call_clobbered): New function.
9148 (verify_alias_info): Use it.
9149 * tree-pass.h (pass_reset_cc_flags): New prototype.
9150 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9151 (reset_cc_flags): New function.
9152 * passes.c (init_optimization_passes): Call reset_cc_flags after
9153 initializing referenced_vars.
9155 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9156 Roger Sayle <roger@eyesopen.com>
9159 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9160 to 1.0 for non-real operands. Implement A / A optimization for
9163 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9165 * config/i386/i386.c (size_cost): Correct the comment for
9166 cost of storing fp registers.
9167 (i386_cost): Likewise.
9168 (i486_cost): Likewise.
9169 (pentium_cost): Likewise.
9170 (pentiumpro_cost): Likewise.
9171 (k6_cost): Likewise.
9172 (athlon_cost): Likewise.
9173 (k8_cost): Likewise.
9174 (pentium4_cost): Likewise.
9175 (nocona_cost): Likewise.
9176 (generic64_cost): Likewise.
9177 (generic32_cost): Likewise.
9179 2006-03-24 Denis Chertykov <denisc@overta.ru>
9181 * config/avr/avr-protos.h (extra_constraint): Delete.
9182 (extra_constraint_Q): New declaration.
9183 * config/avr/constraints.md: New file.
9184 * config/avr/avr.md: Include it.
9185 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9186 (TMP_REGNO, ZERO_REGNO): Likewise.
9187 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9188 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9189 (extra_constraint): Delete.
9190 (extra_constraint_Q): Test for memory constraint 'Q'.
9191 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9192 (REG_CLASS_FROM_LETTER): Delete.
9193 (CONST_OK_FOR_LETTER_P): Delete.
9194 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9195 (EXTRA_CONSTRAINT): Delete.
9196 (TMP_REGNO): Delete.
9197 (ZERO_REGNO): Delete.
9199 2006-03-24 Jeff Law <law@redhat.com>
9201 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9202 directly. Call mark_new_vars_to_rename slightly earlier.
9204 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9206 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9208 (gen_compile_unit_die): Use new language types for Objective-C and
9210 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9211 DW_LANG_C_plus_plus.
9214 * config/t-darwin (crt3.o): Work around bug 26840.
9215 * config/darwin-crt3.c: Rewrite.
9216 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9218 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9220 * doc/invoke.texi: Document -femit-class-debug-always
9221 * common.opt: Add -femit-class-debug-always.
9223 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9225 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9226 index and base register.
9227 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9228 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9229 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9230 REGNO_OK_FOR_INDEX_P.
9231 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9233 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9234 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9235 REG_OK_FOR_BASE_P): Definitions removed.
9237 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9240 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9241 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9242 set yet or weren't marked as local yet.
9244 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9246 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9249 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9251 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9252 (rs6000_legitimate_small_data_p): Delete.
9253 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9254 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9255 and make static. Add forward declaration. Update uses.
9256 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9257 of offsettable_memref_p.
9258 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9259 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9261 2006-03-24 Jeff Law <law@redhat.com>
9263 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9264 around bug in immediate-use iterator.
9266 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9269 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9270 or __LITTLE_ENDIAN__.
9272 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9274 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9275 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9276 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9277 * config/sh/sh.opt (mdiv=): Amend description.
9278 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9279 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9280 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9281 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9282 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9283 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9284 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9285 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9286 TARGET_DIVIDE_CALL_FP.
9288 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9290 * haifa-sched.c (choose_ready): Fix type of the local variable.
9291 Move local variables. Add comment.
9292 (check_reg_live): Change signature. Make callable from debugger.
9293 * sched-int.h (check_reg_live): Update signature.
9294 * sched-ebb.c (check_reg_live): Update parameters.
9295 * sched-rgn.c (check_reg_live): Ditto.
9296 (region_head_or_leaf_p): Check pointer before dereferencing.
9297 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9298 before reload on optimization levels below 1.
9300 2006-03-23 Richard Henderson <rth@redhat.com>
9302 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9306 * config/alpha/predicates.md (local_symbolic_operand): Reject
9309 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9312 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9313 expressions which have overflowed constants.
9315 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9317 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9319 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9321 * cfgloopmanip.c (create_loop_notes): Removed.
9322 * final.c (final_scan_insn): Do not handle loop notes.
9323 * jump.c (squeeze_notes): Ditto.
9324 * cfglayout.c (skip_insns_after_block,
9325 duplicate_insn_chain): Ditto.
9326 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9328 * cfgloop.h (create_loop_notes): Declaration removed.
9330 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9332 * varasm.c (output_constant_pool): Restore fnname and fndecl
9334 (assemble_start_function): Adjust call accordingly.
9335 (assemble_end_function): Likewise.
9337 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9340 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9343 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9345 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9348 * system.h (ICE_EXIT_CODE): New macro.
9349 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9350 (diagnostic_action_after_output): Likewise.
9351 * gcc.c (fatal_ice): New function.
9352 (execute): Use it instead of fatal.
9353 (fancy_abort): Likewise.
9354 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9356 2006-03-22 Jeff Law <law@redhat.com>
9358 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9359 iv_analyze_result returning false.
9361 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9363 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9365 2006-03-22 Richard Henderson <rth@redhat.com>
9368 * except.c (duplicate_eh_regions_0): New.
9369 (duplicate_eh_region_1): Duplicate the children of the node as
9370 well as the node itself. Link them up properly.
9371 (duplicate_eh_region_2): Merge into ...
9372 (duplicate_eh_regions): ... here. Take copy_region argument, and
9373 copy only a sub-tree if asked. Simplify copying and fixup.
9374 (eh_region_outer_p): New.
9375 * except.h (duplicate_eh_regions): Update decl.
9376 (eh_region_outer_p): Declare.
9377 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9378 (lower_omp_master): Likewise.
9379 (lower_omp_ordered): Likewise.
9380 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9381 (move_stmt_r): Use it to remap labels. Handle recursion vs
9382 remap_decls_p properly.
9383 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9384 (find_outermost_region_in_block): New.
9385 (new_label_mapper): New.
9386 (move_sese_region_to_fn): Copy eh information to the new function
9388 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9390 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9393 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9395 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9396 into shared libraries.
9398 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9400 * doc/md.texi: Refer to i386/constraints.md instead of
9402 * config/i386/constraints.md: New file, extracted from...
9403 * config/i386/predicates.md: ...here.
9404 * config/i386/i386.md: Include constraints.md.
9406 2006-03-21 Jason Merrill <jason@redhat.com>
9408 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9411 * expr.c (init_block_move_fn): Force default visibility.
9412 (init_block_clear_fn): Likewise.
9413 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9414 * targhooks.c (default_external_stack_protect_fail): Likewise.
9416 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9418 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9419 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9420 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9421 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9422 (loadgp): Use mips_current_loadgp_style.
9423 (loadgp_noshared): New pattern.
9424 (sibcall_internal): Use MIPS_CALL.
9425 (sibcall_value_internal): Likewise.
9426 (sibcall_value_multiple_internal): Likewise.
9427 (call_internal): Likewise.
9428 (call_value_internal): Likewise.
9429 (call_value_multiple_internal): Likewise.
9430 (call_split): Use MIPS_CALL and add an 'S' constraint.
9431 (call_value_split): Likewise.
9432 (call_value_multiple_split): Likewise.
9433 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9434 (-mshared): New option.
9435 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9436 (mips_current_loadgp_style): Declare.
9437 * config/mips/mips.c (mips_classify_symbol): Avoid using
9438 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9439 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9440 TARGET_ABSOLUTE_ABICALLS.
9441 (override_options): Adjust comments. Improve the warning that is
9442 issued when -mabicalls and -G are used together.
9443 (mips_file_start): Remove comment.
9444 (mips_current_loadgp_style): New function.
9445 (mips_gnu_local_gp): New variable.
9446 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9448 (mips_output_function_prologue): Use mips_current_laodgp_style.
9449 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9450 the cprestore instruction.
9451 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9452 live for TARGET_ABSOLUTE_ABICALLS.
9453 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9454 (ASM_SPEC): Pass down -mshared and -mno-shared.
9455 (MIPS_CALL): New macro.
9456 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9458 * doc/invoke.texi (-mabicalls): Update documentation.
9459 (-mshared): Document.
9461 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9463 * config/ia64/unwind-hpux.c: New file.
9464 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9466 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9469 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9471 2006-03-21 Jeff Law <law@redhat.com>
9473 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9474 type conversions of a VR_VARYING source to a wider type.
9476 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9478 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9479 tm_file on Solaris 10 and later.
9480 (sparc64-*-solaris2*): Likewise.
9481 (sparc-*-solaris2*): Likewise.
9482 * config/sol26.h: Rename to config/sol2-6.h.
9483 * config/sol2-10.h: New file.
9485 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9488 * tree-ssa-pre.c (create_component_ref_by_pieces):
9491 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9494 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9495 return it immediately.
9497 2006-03-21 Michael Matz <matz@suse.de>
9499 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9501 (remove_arc, add_arc): Update num_out_arcs member.
9502 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9504 (cache_presence): New function.
9505 (compare_states_for_equiv): New function.
9506 (state_is_differed): Don't take number of outargs, adjust callers.
9507 Use new invariant for speeding up.
9508 (init_equiv_class): Create initial classes based on sorted
9510 (partition_equiv_class): Don't track out_arcs_num.
9511 (evaluate_equiv_classes): Call cache_presence on all states and
9514 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9516 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9517 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9518 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9519 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9521 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9522 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9523 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9524 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9525 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9527 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9528 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9529 (REGNO_REG_CLASS): ARGP is in PREGS.
9530 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9532 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9533 to deal with those addresses.
9534 * addresses.h: New file.
9535 * caller-save.c: Include "addresses.h".
9536 (init_caller_save): Use new base_reg_class function.
9537 * rtl-factoring.c: Include "addresses.h".
9538 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9539 * recog.c: Include "addresses.h".
9540 (preprocess_constraints): Use new base_reg_class function.
9541 * regrename.c: Include "addresses.h".
9542 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9543 functions. Keep track of a new var INDEX_CODE to compute valid
9545 (replace_oldest_value_addr): Likewise.
9546 (replace_oldest_value_mem): Use base_reg_class.
9547 * reload.c: Include "addresses.h".
9548 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9549 (find_reloads): Use new base_reg_class function.
9550 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9551 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9552 all callers and prototype changed.
9553 * reload1.c: Include "addresses.h".
9554 (maybe_fix_stack_asms): Use base_reg_class.
9555 * regclass.c: Include "addresses.h".
9556 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9557 (init_reg_autoinc): Use new base_reg_class function.
9558 (record_reg_classes): Likewise.
9559 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9560 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9561 Use new args to compute necessary class.
9563 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9564 regrename.o, rtl-factoring.o): Update dependencies.
9565 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9566 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9567 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9568 REG_OK_FOR_INDEX_P): Delete documentation.
9570 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9572 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9573 from V7 to V9 for Solaris 7 and above.
9575 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9577 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9578 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9579 argument pointers may not alias any other storage.
9580 * common.opt: Define option -fargument-noalias-anything.
9581 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9582 alias semantics is specified by flag_argument_noalias > 2.
9584 2006-03-20 Jeff Law <law@redhat.com>
9586 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9587 (pass_phi_only_cprop): Declare.
9588 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9590 * tree-ssa-dom.c (degenerate_phi_result): New function.
9591 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9592 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9593 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9594 (eliminate_degenerate_phis): Likewise.
9595 (pass_phi_only_cprop): New pass descriptor.
9596 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9597 support code. Callers updated.
9598 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9599 (store_copy_prop): Likewise.
9600 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9602 2006-03-20 Jason Merrill <jason@redhat.com>
9605 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9606 (push_visibility, pop_visibility): Likewise.
9607 * c-pragma.h: Declare them.
9609 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9611 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9613 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9614 parameter and use get_ebb_head_tail.
9615 (sh_md_init_global): Adjust uses of find_regmode_weight.
9617 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9619 * function.h (struct function) <x_tail_recursion_reentry>:
9620 Rename to x_stack_check_probe_note.
9621 (tail_recursion_reentry): Rename to stack_check_probe_note.
9622 * function.c: Replace tail_recursion_reentry with
9623 stack_check_probe_note everywhere.
9624 (expand_function_start): Only emit a note for
9625 stack_check_probe_note with -fstack-protect.
9626 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9628 * emit-rtl.c (remove_unnecessary_notes): Remove.
9629 (pass_remove_unnecessary_notes): Remove.
9630 * rtl.h (remove_unnecessary_notes): Remove prototype.
9631 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9632 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9633 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9635 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9638 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9639 (valid_in_set): Handle ARRAY_REF.
9640 Change "if min_variant or VH" to asserts.
9641 (create_component_ref_by_pieces): Handle ARRAY_REF.
9642 (create_expression_by_pieces): Likewise.
9643 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9645 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9647 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9648 is operand of switch, not str[0].
9650 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9652 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9653 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9655 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9657 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9658 end of insn_extra_address_constraint declaration.
9660 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9662 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9663 (no-sum-in-toc): Same.
9664 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9666 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9667 NO_FP_IN_TOC for -fPIC instead of mask.
9669 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9670 (BOOT_LDFLAGS): Delete.
9672 * config/rs6000/t-aix52: Same.
9674 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9675 (stmsi[345678]_power): New.
9677 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9679 * config/ia64/ia64.opt: Add empty line to end of file.
9681 2006-03-17 Richard Guenther <rguenther@suse.de>
9684 * builtins.c (get_pointer_alignment): For component style references
9685 adjust alignment to the component type alignment. Make sure
9686 to adjust alignment for component access of constants.
9688 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9690 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9693 2006-03-17 Paul Brook <paul@codesourcery.com>
9695 * doc/install.texi: Docuemnt --with-mode.
9696 * config.gcc: Add --with-mode for arm*-*-*.
9697 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9699 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9701 * sh.c (max_labelno_before_reorg): New variable.
9702 (sh_reorg): Initialize it.
9703 (find_barrier): Check max_labelno_before_reorg before using
9704 label_to_alignment. Take length of explicit alignment insns
9705 into account. When seeing a UNSPECV_CONST_END, return it.
9707 * sh.c (fixup_mova): Set mode of affected label to QImode.
9708 (untangle_mova): New function.
9709 (find_barrier): Use it. Check mode of label before decrementing
9711 (sh_reorg): Likewise.
9712 Set mode of all insns back to VOIDmode.
9714 * sh.c (MOVA_LABELREF): New macro.
9715 (mova_p, fixup_mova, sh_reorg): Use it.
9716 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9717 ADDR_DIFF_VEC matches mova.
9719 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9721 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9722 with ATTRIBUTE_UNUSED.
9724 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9726 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9727 pointer, instead of assuming it is possible to derive the
9728 correct args size from a call insn.
9730 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9732 * rtl.h (CONST_INT_P): Define.
9733 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9734 instead of GET_CODE(x) == CONST_INT.
9735 (vax_rtx_costs): Likewise.
9736 (vax_output_int_move): Likewise.
9737 (vax_output_int_add): Likewise.
9738 (legitimate_constant_address_p): Likewise.
9739 (index_term_p): Likewise.
9740 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9741 * config/vax/vax.md (and<mode>3): Likewise.
9742 (ashrsi3): Likewise.
9744 (movstricthi): Likewise.
9745 (movstrictqi): Likewise.
9746 (rotrsi3): Likewise.
9747 (five unnamed insns): Likewise.
9749 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9751 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9752 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9753 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9754 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9755 Pass to ASM_OUTPUT_DWARF_OFFSET.
9756 * dwarf2out.c (debug_frame_section): New.
9757 (output_call_frame_info): Use debug_frame_section. Pass it to
9758 dw2_asm_output_offset.
9759 (output_die): Pass appropriate section to dw2_asm_output_offset.
9760 (output_compilation_unit_header): Likewise.
9761 (output_pubnames): Likewise.
9762 (output_aranges): Likewise.
9763 (enum dw_val_class): Break dw_val_class_lbl_offset into
9764 dw_val_class_lineptr and dw_val_class_macptr.
9765 (add_AT_lbl_offset): Delete.
9766 (add_AT_lineptr): New.
9767 (add_AT_macptr): New.
9768 (AT_lbl): Expect a lineptr or macptr.
9769 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9770 (attr_checksum): Likewise.
9771 (same_dw_val_p): Likewise.
9772 (size_of_die): Likewise.
9773 (value_format): Likewise.
9774 (output_die): Likewise.
9775 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9777 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9778 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9779 * config/darwin-protos.h (darwin_file_start): New.
9780 (darwin_asm_output_dwarf_offset): New.
9781 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9782 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9784 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9785 if not EH section; simplify.
9786 (darwin_file_start): New.
9787 (darwin_asm_output_dwarf_offset): New.
9788 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9790 (DEBUG_INFO_SECTION): Likewise.
9791 (DEBUG_ABBREV_SECTION): Likewise.
9792 (DEBUG_ARANGES_SECTION): Likewise.
9793 (DEBUG_MACINFO_SECTION): Likewise.
9794 (DEBUG_LINE_SECTION): Likewise.
9795 (DEBUG_LOC_SECTION): Likewise.
9796 (DEBUG_PUBNAMES_SECTION): Likewise.
9797 (DEBUG_STR_SECTION): Likewise.
9798 (DEBUG_RANGES_SECTION): Likewise.
9799 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9800 (ASM_OUTPUT_DWARF_OFFSET): New.
9802 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9804 * config.gcc (tm_defines): Always add to previous value rather
9807 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9809 * config/mips/predicates.md (splittable_const_int_operand): New,
9810 split from move_operand.
9811 (splittable_symbolic_operand): New.
9812 (move_operand): Add commentary. Use splittable_const_int_operand.
9813 Inline mips_atomic_symbolic_constant_p.
9814 * config/mips/mips.md: Add combine splitters for handling moves
9815 of splittable_const_int_operands and splittable_symbolic_operands.
9816 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9817 (mips_split_symbol): Declare.
9818 (mips_move_integer): Declare.
9819 * config/mips/mips.c (mips_split_p): Make global.
9820 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9821 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9822 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9823 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9824 (mips_offset_within_object_p): Handle block symbols.
9825 (mips_atomic_symbolic_constant_p): Delete.
9826 (mips_cannot_force_const_mem): Return false for constants that
9827 mips_legitimize_move can handle.
9828 (mips_use_blocks_for_constant_p): New function.
9829 (mips_split_symbol): Make global.
9830 (mips_move_integer): Likewise. Add a temporary register argument.
9831 (mips_legitimize_const_move): Use splittable_const_int_operand and
9832 splittable_symbolic_operand.
9833 (mips_use_anchors_for_symbol_p): New function.
9834 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9835 (mips_split_p): Declare.
9837 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9839 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9840 (mips*-*-linux*): Likewise.
9842 2006-03-16 Roger Sayle <roger@eyesopen.com>
9843 Daniel Speyer <dspeyer@wam.umd.edu>
9846 * tree-dump.c (dump_real): New function.
9847 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9848 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9849 (tree-dump.o): Add $(REAL_H) to the dependencies.
9851 2006-03-16 Roger Sayle <roger@eyesopen.com>
9854 * real.c (real_from_string): If the mantissa is zero, don't bother
9855 parsing the exponent as the result should always be zero.
9857 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9859 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9861 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9863 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9864 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9865 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9866 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9867 ia64_sched_finish_global): New static functions to implement
9868 hooks from gcc_target.sched.
9869 (spec_check_no, max_uid, pending_data_specs): New static variables.
9870 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9871 ia64_spec_check_src_p): New static functions.
9872 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9873 (TARGET_SCHED_ADJUST_COST): Removed.
9874 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9875 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9876 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9877 TARGET_SCHED_GEN_CHECK,
9878 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9879 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9880 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9881 Fixed to handle speculation checks.
9882 (rtx_needs_barrier): Fixed to handle speculative loads and
9884 (ia64_variable_issue): Added code to count speculative loads and their
9886 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9888 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9890 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9892 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9893 (ia64_reorg): Reset stops_p to NULL after it is freed.
9894 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9895 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9896 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9898 (data_speculative, control_speculative, check_load): New attributes.
9899 (mov<mode>_advanced, mov<mode>_speculative,
9900 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9901 zero_extend<mode>di2_speculative,
9902 zero_extend<mode>di2_speculative_advanced): New patterns for
9903 data and control speculative loads.
9904 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9906 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9907 New pattern for data and control speculation checks.
9908 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9909 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9910 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9911 Auxiliary definitions for the patterns.
9912 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9913 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9915 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9917 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9918 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9919 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9920 New resource constraints.
9921 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9923 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9924 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9925 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9926 msched-in-control-spec, msched-ldc, msched-control-ldc,
9927 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9928 msched-prefer-non-control-spec-insns,
9929 msched-count-spec-in-critical-path): New flags to tune speculative
9931 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9932 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9933 msched-in-control-spec, msched-ldc, msched-control-ldc,
9934 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9935 msched-prefer-non-control-spec-insns,
9936 msched-count-spec-in-critical-path): Document new flags.
9938 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9940 * target.h (struct spec_info_def): New opaque declaration.
9941 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9942 speculate_insn, needs_block_p, gen_check,
9943 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9944 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9945 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9946 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9947 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9948 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9950 (TARGET_SCHED): Use new macros.
9951 * rtl.h (copy_DEPS_LIST_list): New prototype.
9952 * sched-int.h (struct sched_info): Change signature of new_ready field,
9953 adjust all initializations. New fields: add_remove_insn,
9954 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9955 region_head_or_leaf_p.
9956 (struct spec_info_def): New structure declaration.
9957 (spec_info_t): New typedef.
9958 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9959 recovery_block, orig_pat.
9960 (glat_start, glat_end): New variables declaraions.
9961 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9963 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9964 DETACH_LIFE_INFO, USE_GLAT.
9965 (enum SPEC_SCHED_FLAGS): New enumeration.
9966 (NOTE_NOTE_BB_P): New macro.
9967 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9968 attach_life_info, debug_spec_status, check_reg_live): New functions.
9969 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9970 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9972 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9973 * ddg.c (get_block_head_tail): Adjust all uses.
9974 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9975 (sms_sched_info): Initialize new fields.
9976 (contributes_to_priority): Removed.
9977 * haifa-sched.c (params.h): New include.
9978 (get_block_head_tail): Adjust all uses.
9979 (ISSUE_POINTS): New macro.
9980 (glat_start, glat_end): New global variables.
9981 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9982 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9983 old_last_basic_block, before_recovery, current_sched_info_var,
9984 rgn_n_insns, luid): New static variables.
9985 (insn_cost1): New function. Move logic from insn_cost to here.
9986 (find_insn_reg_weight1): New function. Move logic from
9987 find_insn_reg_weight to here.
9988 (reemit_notes, move_insn, max_issue): Change signature.
9989 (move_insn1): Removed.
9990 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9991 extend_bb): New static functions to support extension of scheduler's
9993 (generate_recovery_code, process_insn_depend_be_in_spec,
9994 begin_speculative_block, add_to_speculative_block,
9995 init_before_recovery, create_recovery_block, create_check_block_twin,
9996 fix_recovery_deps): New static functions to support
9997 generation of recovery code.
9998 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9999 restore_bb_notes, move_block_after_check, move_succs): New static
10000 functions to support ebb scheduling.
10001 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10002 functions to support handling of register live information.
10003 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10004 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10005 add_jump_dependencies): New static functions.
10006 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10007 consistancy checking.
10008 (debug_spec_status): New function to call from debugger.
10009 (priority): Added code to handle speculation checks.
10010 (rank_for_schedule): Added code to distinguish speculative instructions.
10011 (schedule_insn): Added code to handle speculation checks.
10012 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10013 Fixed to handle ebbs.
10014 (move_insn): Added code to handle ebb scheduling.
10015 (max_issue): Added code to use ISSUE_POINTS of instructions.
10016 (choose_ready): Added code to choose between speculative and
10017 non-speculative instructions.
10018 (schedule_block): Added code to handle ebb scheduling and scheduling of
10019 speculative instructions.
10020 (sched_init): Initialize new variables.
10021 (sched_finish): Free new variables. Print statistics.
10022 (try_ready): Added code to handle speculative instructions.
10023 * lists.c (copy_DEPS_LIST_list): New function.
10024 * sched-deps.c (extend_dependency_caches): New function. Move logic
10025 from create_dependency_caches to here.
10026 (get_dep_weak, ds_merge): Make global.
10027 * genattr.c (main): Code to output prototype for
10028 dfa_clear_single_insn_cache.
10029 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10030 (output_dfa_clean_insn_cache_func): Code to output
10031 dfa_clear_single_insn_cache function.
10032 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10034 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10036 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10037 New static variables.
10038 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10039 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10041 (ebb_sched_info): Initialize new fields.
10042 (get_block_head_tail): Adjust all uses.
10043 (compute_jump_reg_dependencies): Fixed to use glat_start.
10044 (schedule_ebb): Code to remove unreachable last block.
10045 (schedule_ebbs): Added code to update register live information.
10046 * sched-rgn.c (region_sched_info): Initialize new fields.
10047 (get_block_head_tail): Adjust all uses.
10048 (last_was_jump): Removed. Adjust users.
10049 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10050 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10051 Implement new hooks.
10052 (check_dead_notes1): New static function.
10053 (struct region): New fields: dont_calc_deps, has_real_ebb.
10054 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10055 (BB_TO_BLOCK): Fixed to handle EBBs.
10056 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10057 (ebb_head): New static variable.
10058 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10059 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10061 (compute_dom_prob_ps): New assertion.
10062 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10063 global_live_at_start.
10064 (init_ready_list): New assertions.
10065 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10066 (new_ready): Add support for BEGIN_CONTROL speculation.
10067 (schedule_insns): Fixed code that updates register live information
10069 (schedule_region): Fixed to handle EBBs.
10070 (init_regions): Use extend_regions and check_dead_notes1.
10071 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10072 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10073 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10074 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10075 TARGET_SCHED_GEN_CHECK,
10076 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10077 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10078 * doc/invoke.texi (max-sched-insn-conflict-delay,
10079 sched-spec-prob-cutoff): Document.
10081 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10083 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10084 inter_tick, queue_index.
10085 (struct sched_info): Change signature of init_ready_list field.
10086 Adjust all initializations.
10087 (RESOLVED_DEPS): New access macro.
10088 (ready_add): Remove prototype.
10089 (try_ready): Add prototype.
10090 * sched-rgn.c (init_ready_list): Use try_ready.
10091 (schedule_region): Initialize
10092 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10093 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10094 (init_ready_list): Use try_ready.
10095 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10096 * lists.c (remove_list_elem): Remove `static'.
10097 (remove_free_INSN_LIST_elem): New function.
10098 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10099 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10100 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10102 (readyp): New variable.
10103 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10104 change_queue_index, resolve_dep): New static functions.
10105 (try_ready): New function. Adjust callers in sched-rgn.c and
10106 sched-ebb.c to use it instead of ready_add.
10107 (clock_var): Move at the begining of file.
10108 (rank_for_schedule): Fix typo.
10109 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10110 (ready_lastpos): Enforce assertion.
10111 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10112 update all callers.
10113 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10114 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10115 (queue_to_ready): Use free_INSN_LIST_list.
10116 (early_queue_to_ready): Fix typo.
10117 (schedule_block): Init readyp. Move init_ready_list call after the
10118 initialization of clock_var. Fix error in rejecting insn by
10119 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10120 that previously corrected INSN_TICKs. Add code for handling
10122 (set_priorities): Fix typo.
10123 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10124 Clarify comment and code that keeps current_sched_info->next_tail
10127 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10129 * sched-rgn.c (extend_rgns): New static function.
10130 (find_rgns): Use it.
10131 (gather_region_statistics, print_region_statistics): New static
10133 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10134 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10136 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10137 Andrey Belevantsev <abel@ispras.ru>
10139 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10140 * lists.c (unused_deps_list): New variable.
10141 (free_list): Add assertions to verify the proper distinguishing
10142 between INSN_LISTs and DEPS_LISTs.
10143 (find_list_elem, remove_list_elem, remove_list_node): New static
10145 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10146 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10147 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10148 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10150 (free_INSN_LIST_node): Likewise.
10151 * modulo-sched.c (current_sched_info): Initialize flags field.
10152 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10153 * rtl.def (DEPS_LIST): Define.
10154 * rtl.h: Declare new functions from lists.c.
10155 * sched-deps.c (spec_dependency_cache): New static variable.
10156 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10157 (add_dependence): Change return type to void. Move the logic to ...
10158 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10159 (delete_all_dependences): Add comment about forward_dependency_cache.
10160 Handle spec_dependency_cache. Handle DEPS_LISTs.
10161 (fixup_sched_groups): Clarify the change of priority of output
10162 and anti dependencies.
10163 (sched_analyze_2): Adjust add_dependence calls to create data
10164 speculative dependence.
10165 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10166 Adjust all callers. Handle DEPS_LISTS.
10167 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10168 presence of speculation.
10169 (init_dependency_caches, free_dependency_caches):
10170 Handle spec_dependency_cache.
10171 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10172 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10173 New static functions.
10174 (add_or_update_back_dep, add_or_update_back_forw_dep,
10175 add_back_forw_dep, delete_back_forw_dep): New functions.
10176 * sched-int.h (ds_t, dw_t): New typedefs.
10177 (struct sched_info): Add new field flags.
10178 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10179 Prototype new sched-deps.c functions.
10180 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10181 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10182 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10183 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10184 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10185 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10187 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10189 * sched-rgn.c (current_sched_info): Initialize flags field.
10190 (schedule_insns): Initialize current_sched_info before the sched_init
10192 * sched-ebb.c (current_sched_info): Initialize flags field.
10193 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10194 Call add_or_update_back_dep instead of add_dependence.
10195 Create control speculative dependencies.
10196 (schedule_insns): Initialize current_sched_info before the sched_init
10199 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10201 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10203 (sh_fallback_frame_state): Likewise.
10205 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10207 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10208 Do switch on default_use_cxa_atexit.
10209 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10210 * config/darwin-crt3.o: New.
10211 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10212 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10213 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10215 * config/rs6000/t-darwin: Move crt2.o building to here.
10216 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10217 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10220 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10222 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10223 from '! xxx' to '!xxx' for coding-style conformance.
10224 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10225 (EXTRA_CONSTRAINT): Likewise.
10226 * config/vax/vax.md (four unnamed insns): Likewise.
10228 2006-03-15 Paul Brook <paul@codesourcery.com>
10230 * config/arm/arm.c (minipool_pad): New.
10231 (add_minipool_forward_ref): Include pool alignment padding in address
10233 (push_minipool_fix): Set minipool_pad.
10234 (minipool_pad): Ditto.
10236 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10238 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10239 instead of GET_CODE() == MEM and REG_P() instead of
10241 (print_operand_address): Likewise.
10242 (vax_address_cost): Likewise.
10243 (vax_rtx_costs): Likewise.
10244 (vax_notice_update_cc): Likewise.
10245 (vax_output_int_add): Likewise.
10246 (INDEX_REGISTER_P): Likewise.
10247 (BASE_REGISTER_P): Likewise.
10248 (nonindexed_address_p): Likewise.
10249 (vax_mode_dependent_address_p): Likewise.
10250 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10251 (PRINT_OPERAND): Likewise.
10252 * config/vax/vax.md (ashlsi3): Likewise.
10253 (ashlsi3): Likewise.
10254 (some more unnamed insns): Likewise.
10256 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10258 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10259 iterator-style macro.
10260 (mark_control_dependent_edges_necessary): Update the use of
10261 EXECUTE_IF_CONTROL_DEPENDENT.
10263 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10265 * config/sh/predicates.md (cache_address_operand): Special.
10266 (ua_address_operand): Likewise.
10268 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10270 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10272 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10274 2006-03-15 Andreas Schwab <schwab@suse.de>
10276 * gensupport.c (identify_predicable_attribute): Don't free p_false
10277 when it is still in use.
10279 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10281 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10282 the default setting here.
10284 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10286 * tree-pass.h (pass_cfg): Remove.
10287 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10288 * passes.c (pass_cfg): Don't run it.
10290 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10292 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10293 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10295 (stack_regs_mentioned): Update the uses of
10296 stack_regs_mentioned_data. Don't access the array beyond its
10298 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10299 Don't include gt-reg-stack.h.
10301 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10302 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10304 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10306 PR middle-end/26684
10307 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10310 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10312 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10314 2006-03-14 Richard Guenther <rguenther@suse.de>
10316 PR tree-optimization/26672
10317 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10320 2006-03-14 Richard Guenther <rguenther@suse.de>
10322 PR tree-optimization/26667
10323 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10324 node for the callees. Always allow inlining if it will shrink
10327 2006-03-14 Richard Guenther <rguenther@suse.de>
10329 PR middle-end/26659
10330 * builtins.c (get_pointer_alignment): Prefer alignment
10331 information from decls over that from types.
10333 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10336 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10338 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10340 * config/rs6000/rs6000.opt (mdlmzb): New option.
10341 (msched-prolog, msched-epilog): Use Var not Mask.
10342 * doc/invoke.texi (-mdlmzb): Document.
10343 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10345 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10346 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10348 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10350 PR rtl-optimization/25739
10351 * bt-load.c (augment_live_range): Free tos pointer.
10353 * gensupport.c (identify_predicable_attribute): Free
10355 * gcov.c (create_file_names): Free name pointer.
10357 2006-03-13 Roger Sayle <roger@eyesopen.com>
10359 PR middle-end/26557
10360 * stmt.c (emit_case_nodes): Handle the case where the index is a
10361 CONST_INT, where the comparison mode is specified by the index type.
10363 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10365 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10368 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10370 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10371 (*branch_fp_inverted): Likewise.
10373 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10375 PR middle-end/25989
10376 * omp-low.c (expand_omp_for_generic): Mark istart0
10377 and iend0 as addressable.
10379 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10381 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10383 2006-03-13 Jeff Law <law@redhat.com>
10385 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10386 virtual operands are interesting.
10387 (vrp_visit_stmt): Corresponding changes.
10389 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10391 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10393 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10394 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10395 * config/bfin/crti.S: Use it instead of __PIC__.
10396 * config/bfin/crtn.S: Likewise.
10398 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10399 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10401 Lose 'G' modifier for call operand.
10402 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10403 recognize 'G' modifier.
10405 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10407 PR middle-end/18859
10408 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10409 * stmt.c (expand_case): Likewise.
10411 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10413 PR rtl-optimization/26254
10414 * loop-invariant.c (seq_insns_valid_p): New function.
10415 (move_invariant_reg): Only emit new code if it is valid.
10417 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10419 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10421 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10422 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10423 (commit_one_edge_insertion): Do not look for loop notes.
10425 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10427 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10428 flag_test_coverage out of loop.
10430 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10432 * final.c (shorten_branches): Remove outdated comment, and turn
10433 the if branch that guards it to continue.
10435 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10437 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10438 * cfgloop.h (struct loop): Remove unused fields.
10440 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10442 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10443 (-dL, -fdump-rtl-loop2): Update the dump file names
10445 * doc/invoke.texi: Update dump file names.
10447 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10449 * predict.c (estimate_probability): Remove.
10450 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10451 * basic-block.h (estimate_probability): Remove prototype.
10452 * passes.c (finish_optimization_passes): Dump branch prediction or
10453 profiling heuristics to the .profile tree dump.
10454 (init_optimization_passes): Unqueue pass_branch_prob.
10456 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10458 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10460 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10461 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10463 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10465 * function.h (frame_offset_overflow): Declare.
10466 * function.c (frame_offset_overflow): New function.
10467 (assign_stack_local_1): Call it to detect that the offset overflows.
10468 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10470 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10472 * config/sh/sh.c: Include alloc-pool.h.
10473 (label_ref_list_pool): New alloc pool.
10474 (label_ref_list_t): New type for lists of labels.
10475 (struct pool_node): Make wend a label_ref_list_t.
10476 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10478 (dump_table): Likewise.
10479 (sh_reorg): Set up the alloc pool before using add_constant and
10480 dump_table, and destroy it when finishing.
10482 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10484 * config/mips/mips.c: Remove redundant comment.
10486 2006-03-10 Jason Merrill <jason@redhat.com>
10489 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10490 the target was declared 'register'.
10492 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10494 * genpreds.c (write_insn_constraint_len): Change definition of
10495 insn_constraint_len to return size_t to match the declaration.
10497 2006-03-10 DJ Delorie <dj@redhat.com>
10499 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10501 (m32c_expand_insv): Fix test for an AND mask.
10503 2006-03-10 Richard Guenther <rguenther@suse.de>
10505 PR middle-end/26565
10506 * builtins.c (get_pointer_alignment): Handle component
10507 references for field alignment.
10509 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10511 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10512 when building with libgloss.
10513 (sh*elf): Implement --without-fp option.
10514 (sh64-superh-linux*): Don't multilib.
10516 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10518 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10520 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10522 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10523 Set it when one of the replacement functions returned true.
10524 Return TODO_cleanup_cfg if cfgchanged is true.
10525 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10527 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10529 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10530 instead of gen_lowpart.
10532 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10534 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10536 (mips_output_order_conditional_branch): Declare.
10537 * config/mips/mips.h (MIPS_BRANCH): New macro.
10538 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10539 for the comparison. Use gen_condjump.
10540 (mips_output_conditional_branch): Rework interface to take the
10541 asm templates for a direct branch and the inverse of a direct branch.
10542 (mips_output_order_conditional_branch): New function.
10543 (mips_builtin_branch_and_move): New function.
10544 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10545 branch condition. Use gen_single_cc as the condition for
10546 __builtin_mips_upper_* or __builtin_mips_lower_*.
10547 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10548 Use VOIDmode for the branch condition.
10549 * config/mips/predicates.md (order_operator): New predicate.
10550 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10551 (branch_fp): Rename to...
10552 (*branch_fp): ...this. Remove mode from comparison operator.
10553 Use new mips_output_conditional_branch interface.
10554 (branch_fp_inverted): Rename to...
10555 (*branch_fp_inverted): ...this and update as for *branch_fp.
10556 (*branch_zero<mode>): Rename to...
10557 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10558 Use mips_output_order_conditional_branch. Only accept ordered
10560 (*branch_zero<mode>_inverted): Rename to...
10561 (*branch_order<mode>_inverted): ...this and update as for
10562 *branch_order<mode>.
10563 (*branch_equality<mode>): Accept zero as the second operand to
10564 the equality operator. Use the new mips_output_conditional_branch
10566 (*branch_equality<mode>_inverted): Likewise.
10567 (condjump): New expander.
10568 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10570 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10571 (bc1any2t, bc1any2f): Likewise.
10572 (single_cc): New expander.
10573 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10575 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10577 * doc/md.texi: Update documentation of MIPS constraints.
10578 * config/mips/constraints.md: New file.
10579 * config/mips/mips.md: Include it.
10580 * config/mips/mips.c (mips_char_to_class): Delete.
10581 (override_options): Don't initialize mips_char_to_class.
10582 * config/mips/mips.h (mips_char_to_class): Delete.
10583 (REG_CLASS_FROM_LETTER): Delete.
10584 (CONST_OK_FOR_LETTER_P): Delete.
10585 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10586 (EXTRA_CONSTRAINT_Y): Delete.
10587 (EXTRA_CONSTRAINT_STR): Delete.
10588 (CONSTRAINT_LEN): Delete.
10589 (EXTRA_MEMORY_CONSTRAINT): Delete.
10591 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10593 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10594 original fn's eh regions.
10596 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10598 * fold-const.c (build_range_check): Make sure to use a valid type to
10599 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10602 (range_predecessor): New static function.
10603 (range_successor): Likewise.
10604 (merge_ranges): Use them to compute predecessors and successors of
10607 2006-03-09 Roger Sayle <roger@eyesopen.com>
10609 PR middle-end/26561
10610 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10611 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10613 2006-03-08 DJ Delorie <dj@redhat.com>
10615 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10616 (addpsi3): Expand to include memory operands. Remove
10617 reload-specific splits.
10618 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10619 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10620 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10621 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10622 (shift1_qi, shift1_hi, insv): New.
10623 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10624 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10625 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10627 * config/m32c/m32c-protos.h: Update as needed.
10628 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10629 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10630 Fail for unrecognized R* constraints.
10631 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10632 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10633 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10635 (m32c_init_libfuncs): New.
10636 (m32c_legitimate_address_p): Add debug wrapper.
10637 (m32c_rtx_costs): New.
10638 (m32c_address_cost): New.
10639 (conversions): Add 'B' prefix.
10640 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10641 operands, or word regnames for QI operands. 'B' prints bit
10643 (m32c_expand_setmemhi): New.
10644 (m32c_expand_movmemhi): New.
10645 (m32c_expand_movstr): New.
10646 (m32c_expand_cmpstr): New.
10647 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10648 (m32c_expand_neg_mulpsi3): Handle non-ints.
10649 (m32c_cmp_flg_0): New.
10650 (m32c_expand_movcc): New.
10651 (m32c_expand_insv): New.
10652 (m32c_scc_pattern): New.
10653 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10654 a0/a1 out of SIregs.
10655 (STORE_FLAG_VALUE): New.
10656 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10659 * config/m32c/mov.md: Make constraints more liberal.
10660 (zero_extendqihi2): Optimize r0/r1 case.
10661 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10662 * config/m32c/predicates.md (m32c_any_operand): New.
10663 (m32c_nonimmediate_operand): New.
10664 (m32c_hl_operand): New.
10665 (m32c_r3_operand): New.
10668 (memsym_operand): New.
10669 (memimmed_operand): New.
10670 (a_qi_operand): New.
10671 (m32c_eqne_operator): New.
10672 (m32c_1bit8_operand): New.
10673 (m32c_1bit16_operand): New.
10674 (m32c_1mask8_operand): New.
10675 (m32c_1mask16_operand): New.
10676 * config/m32c/blkmov.md: New file.
10677 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10679 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10681 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10682 unsigned to fix signed/unsigned comparison issue in
10683 DWARF2_FRAME_REG_OUT.
10684 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10685 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10687 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10688 of ptr into the ENABLE_CHECKING section.
10690 2006-03-08 Jeff Law <law@redhat.com>
10692 * tree-vrp.c (infer_value_range): Only count pointer uses
10693 and dereferences if -fdelete-null-pointer-checks is enabled.
10695 * tree-vrp.c (find_assert_locations): Infer value ranges for
10696 single use pointers, but do not create ASSERT_EXPRs for them.
10697 When a non-null range is inferred for a pointer, backwards
10698 propagate that range to other equivalent pointers through the
10701 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10704 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10705 language hook targets.
10706 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10707 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10708 if language hook targets were missing.
10710 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10712 * tree-ssa-opfinalize.h: Removed.
10713 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10715 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10716 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10717 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10718 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10719 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10720 finalize_ssa_v_must_def_ops): New.
10722 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10724 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10725 block as parameter.
10727 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10729 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10731 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10732 addresses with offsets; reorganize.
10734 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10735 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10736 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10738 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10741 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10743 2006-03-08 Ben Elliston <bje@au.ibm.com>
10745 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10747 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10750 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10753 2006-03-07 Richard Guenther <rguenther@suse.de>
10755 PR tree-optimization/26587
10756 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10758 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10760 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10762 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10764 * hooks.c (hook_bool_mode_rtx_true): New function.
10765 * hooks.h (hook_bool_mode_rtx_true): Declare.
10766 * toplev.c (compile_file): Call output_shared_constant_pool.
10767 * varasm.c (shared_constant_pool): New variable.
10768 (assemble_start_function, assemble_end_function): Remove arguments
10769 from call to output_constant_pool.
10770 (create_constant_pool): New function, split out from...
10771 (init_varasm_status): ...here.
10772 (force_const_mem): Choose between the shared and per-function constant
10773 pools. Set current_function_uses_const_pool when reusing old entries
10774 as well as when creating new ones.
10775 (mark_constant): Ignore data argument.
10776 (mark_constants): Remove pool argument.
10777 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10778 to decide whether the function uses a constant pool.
10779 (output_constant_pool_contents): New function, split out from...
10780 (output_constant_pool): ...here.
10781 (output_shared_constant_pool): New function.
10782 (init_varasm_once): Initialize shared_constant_pool.
10783 * output.h (output_constant_pool): Delete.
10784 (output_shared_constant_pool): Declare.
10785 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10786 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10788 2006-03-06 Nick Clifton <nickc@redhat.com>
10790 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10791 flag_strength_reduce.
10793 2006-03-06 Ben Elliston <bje@au.ibm.com>
10795 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10796 x86_64-*-linux* configurations.
10798 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10799 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10801 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10803 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10805 * basic-block.h: Remove the extern for
10806 rediscover_loops_after_threading.
10808 * cfgloop.c (cancel_loop): Make it static.
10809 * cfgloop.h: Remove the prototype for cancel_loop.
10811 * flow.c (recompute_reg_usage): Make it static.
10812 * rtl.h: Remove the prototype for recompute_reg_usage.
10814 * function.c (use_return_register): Make it static.
10815 * function.h: Remove the prototype.
10817 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10819 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10821 * recog.h: Remove the prototype for
10822 validate_change_maybe_volatile.
10824 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10826 * rtlanal.c (replace_reg): Remove.
10827 * rtl.h: Remove the prototype for replace_reg.
10829 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10831 * regclass.c (reg_scan_update): Remove.
10832 (reg_scan_mark_refs): Remove the last argument.
10833 * rtl.h: Remove the prototype for reg_scan_update.
10835 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10837 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10838 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10839 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10840 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10841 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10842 loop-invariant.c, omp-low.c, opts.c, passes.c,
10843 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10844 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10845 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10846 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10847 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10848 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10850 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10852 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10853 * dwarf2out.h: Remove the prototype for
10854 dwarf2out_add_library_unit_info.
10856 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10858 * tree.c (add_var_to_bind_expr): Remove.
10859 * tree.h: Remove the prototype for add_var_to_bind_expr.
10861 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10863 * regclass.c (n_non_fixed_regs): Remove.
10864 (init_reg_sets_1, globalize_reg): Remove all uses of
10866 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10868 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10870 * rtlanal.c (insns_safe_to_move_p): Remove.
10871 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10873 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10875 * expmed.c (expand_mult_add): Remove.
10876 * expr.h: Remove the prototype for expand_mult_add.
10878 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10880 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10881 and REG_SAVED_VAL_EXP constants.
10882 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10883 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10884 Handle regs stored by value.
10885 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10886 (execute_cfa_program): Handle DW_CFA_val_offset,
10887 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10888 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10889 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10890 (uw_install_context_1): Handle target regs stored by value.
10892 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10894 * tree-sra.c (tree_sra): Return todoflags;
10895 (generate_one_element): Set TODO_update_smt_usage if needed.
10896 (pass_sra): Remove TODO_update_smt_usage.
10897 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10899 (tree_ssa_forward_propagate_single_use_vars): Return
10900 TODO_update_smt_usage if we need to update SMT usage.
10901 (pass_forwprop): Remove TODO_update_smt_usage.
10903 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10905 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10906 (correct_use_link): Remove reference to get_stmt_operands.
10907 (update_stmt_operands): Likewise.
10908 (get_modify_expr_operands): New function factored out of
10909 parse_ssa_operands and get_expr_operands.
10910 Try to create V_MUST_DEFs for LHS by default.
10911 (get_expr_operands) <case MODIFY_EXPR>: Call
10912 get_modify_expr_operands.
10913 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10914 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10915 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10916 get_modify_expr_operands.
10918 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10920 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10921 * tree-flow.h: Remove the prototype for
10922 referenced_var_lookup_if_exists.
10924 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10926 PR rtl-optimization/26345
10928 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10930 2006-03-03 Roger Sayle <roger@eyesopen.com>
10932 PR tree-optimization/26524
10933 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10934 fold_convert to create a constant of the appropriate type.
10936 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10938 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10939 SYMBOL_REF_IN_BLOCK_P.
10940 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10941 of SYMBOL_FLAG_IN_BLOCK.
10942 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10943 instead of SYMBOL_REF_IN_BLOCK_P.
10944 * explow.c (use_anchored_address): Likewise.
10945 * rtl.c (rtx_size): Likewise.
10946 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10947 instead of SYMBOL_FLAG_IN_BLOCK.
10948 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10949 SYMBOL_REF_IN_BLOCK_P.
10950 (assemble_variable): Likewise.
10951 (output_constant_def_contents): Likewise.
10952 (output_constant_pool): Likewise.
10953 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10954 instead of SYMBOL_FLAG_IN_BLOCK.
10955 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10956 SYMBOL_REF_IN_BLOCK_P.
10957 (SYMBOL_REF_BLOCK): Likewise.
10958 (SYMBOL_REF_OFFSET): Likewise.
10959 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10960 SYMBOL_REF_IN_BLOCK_P.
10961 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10962 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10963 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10964 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10966 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10968 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10970 2006-03-02 Roger Sayle <roger@eyesopen.com>
10972 * simplify-rtx.c (simplify_unary_operation): When simplifying
10973 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10974 that we perform the right shift in the appropriate mode, and
10975 then extend or truncate the result to requested mode.
10977 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10979 * gengtype.c (main): Handle double_int type.
10980 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10981 * double-int.c: New file.
10982 * double-int.h: New file.
10983 * system.h: Include doubleint.h.
10984 * Makefile.in (SYSTEM_H): Include double-int.h.
10985 (double-int.o): Add.
10987 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10990 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10993 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10995 * tree-vrp.c (remove_range_assertions): Do not update statements
10998 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11000 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11002 * gcse.c (rest_of_handle_gcse): Ditto.
11003 * except.c (gate_handle_eh): Ditto.
11004 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11005 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11007 2006-03-02 Eric Christopher <echristo@apple.com>
11009 * config/i386/i386.c (machopic_output_stub): Add indirection to
11012 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11016 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11018 Sun Niagara specific optimizations.
11019 * config.gcc: Recognize niagara as target.
11020 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11021 (TARGET_CPU_niagara): Define.
11022 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11023 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11024 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11025 (ASM_CPU_SPEC): Likewise.
11026 (PROCESSOR_NIAGARA): New enum entry.
11027 (REGISTER_MOVE_COST): Handle Niagara.
11028 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11029 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11030 (sparc_override_options): Recognize "niagara", set appropriate
11031 default MASK_* values for it, and align functions to 32-bytes
11032 by default just like ULTRASPARC/ULTRASPARC3.
11033 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11034 (sparc64_initialize_trampoline): Likewise.
11035 (sparc_use_sched_lookahead): Use zero for niagara.
11036 (sparc_issue_rate): Use one for niagara.
11037 * config/sparc/niagara.md: New file.
11038 * config/sparc/sparc.md: Include it.
11039 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11040 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11041 when default cpu is niagara.
11042 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11043 (ASM_CPU_SPEC): Likewise.
11044 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11045 when default cpu is niagara.
11046 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11047 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11048 just like v9/ultrasparc/ultrasparc3.
11049 * doc/invoke.texi: Add documentation for "niagara" and improve
11050 existing documentation for ultrasparc variants.
11052 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11054 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11056 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11058 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11059 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11060 and say that only one is needed.
11061 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11062 * target.h (have_switchable_bss_sections): New hook.
11063 * explow.c (use_anchored_address): Check that the symbol is in a block.
11064 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11065 (bss_noswitch_section): New variables.
11066 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11067 (get_noswitch_section): New function.
11068 (get_block_for_section): Allow SECT to be null.
11069 (unlikely_text_section_p): Use SECTION_STYLE.
11070 (bss_initializer_p): New function.
11071 (get_variable_section): Move earlier in file. Take a new argument,
11072 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11073 Return one of the new *_sections in such cases.
11074 (get_block_for_decl): New function, extracting some logic from
11075 use_blocks_for_decl_p.
11076 (change_symbol_section): Remove in favor of...
11077 (change_symbol_block): ...this new function.
11078 (use_blocks_for_decl_p): Remove checks now performed by
11079 get_block_for_decl.
11080 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11081 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11082 (emit_local, emit_bss, emit_common): ...these new functions.
11083 Return true if the alignment was honored.
11084 (emit_tls_common): New function.
11085 (asm_emit_uninitialised): Delete.
11086 (assemble_variable_noswitch): New function, split out from...
11087 (assemble_variable): ...here. Don't make decisions about common
11088 variables here. Globalize all public decls that go into non-common
11089 sections. Check whether SYMBOL_REF_BLOCK is null.
11090 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11091 (output_constant_pool): Likewise.
11092 (init_varasm_once): Initialize the new section variables.
11093 (have_global_bss_p): New function.
11094 (categorize_decl_for_section): Use bss_initializer_p.
11095 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11096 (place_block_symbol): Assert that the symbol must be in a block.
11097 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11098 (TARGET_INITIALIZER): Include it.
11099 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11100 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11101 (SECTION_MACH_DEP): Bump by two.
11102 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11103 (unnamed_section): Mention SECTION_UNNAMED in comment.
11104 (named_section): Likewise SECTION_NAMED.
11105 (noswitch_section_callback): New type.
11106 (noswitch_section): New structure.
11107 (section): Add a noswitch_section alternative.
11108 (SECTION_STYLE): New macro.
11109 (tls_comm_section, comm_section, lcomm_section): Declare.
11110 (bss_noswitch_section, have_global_bss_p): Declare.
11111 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11112 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11114 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11115 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11118 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11120 * tree-vrp.c (execute_vrp): Return value.
11121 * regrename.c (rest_of_handle_regrename): Ditto.
11122 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11123 * tree-complex.c (tree_lower_complex): Ditto.
11124 (tree_lower_complex_O0): Ditto.
11125 * tracer.c (rest_of_handle_tracer): Ditto.
11126 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11127 * postreload.c (rest_of_handle_postreload): Ditto.
11128 * tree-tailcall.c (execute_tail_recursion): Ditto.
11129 (execute_tail_calls): Ditto.
11130 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11131 * tree.h (init_function_for_compilation): Ditto.
11132 * ipa-cp.c (ipcp_driver): Ditto.
11133 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11134 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11135 * final.c (compute_alignments): Ditto.
11136 (rest_of_handle_final): Ditto.
11137 (rest_of_handle_shorten_branches): Ditto.
11138 (rest_of_clean_state): Ditto.
11139 * omp-low.c (execute_expand_omp): Ditto.
11140 (execute_lower_omp): Ditto.
11141 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11142 * ipa-reference.c (static_execute): Ditto.
11143 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11144 * reorg.c (rest_of_handle_delay_slots): Ditto.
11145 (rest_of_handle_machine_reorg): Ditto.
11146 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11147 * flow.c (recompute_reg_usage): Ditto.
11148 (rest_of_handle_remove_death_notes): Ditto.
11149 (rest_of_handle_life): Ditto.
11150 (rest_of_handle_flow2): Ditto.
11151 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11152 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11153 (do_ssa_store_ccp): Ditto.
11154 (execute_fold_all_builtins): Ditto.
11155 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11156 * modulo-sched.c (rest_of_handle_sms): Ditto.
11157 * ipa-pure-const.c (static_execute): Ditto.
11158 * cse.c (rest_of_handle_cse): Ditto.
11159 (rest_of_handle_cse2): Ditto.
11160 * web.c (rest_of_handle_web): Ditto.
11161 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11162 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11163 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11164 * tree-nrv.c (tree_nrv): Ditto.
11165 (execute_return_slot_opt): Ditto.
11166 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11167 (create_structure_vars): Ditto.
11168 * loop-init.c (rtl_loop_init): Ditto.
11169 (rtl_loop_done): Ditto.
11170 (rtl_move_loop_invariants): Ditto.
11171 (rtl_unswitch): Ditto.
11172 (rtl_unroll_and_peel_loops): Ditto.
11173 (rtl_doloop): Ditto.
11174 * gimple-low.c (lower_function_body): Ditto.
11175 (mark_used_blocks): Ditto.
11176 * tree-ssa-sink.c (execute_sink_code): Ditto.
11177 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11178 (cgraph_early_inlining): Ditto.
11179 * global.c (rest_of_handle_global_alloc): Ditto.
11180 * jump.c (cleanup_barriers): Ditto.
11181 (purge_line_number_notes): Ditto.
11182 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11183 (rest_of_handle_if_after_reload): Ditto.
11184 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11185 (tree_ssa_loop_im): Ditto.
11186 (tree_ssa_loop_unswitch): Ditto.
11187 (tree_vectorize): Ditto.
11188 (tree_linear_transform): Ditto.
11189 (tree_ssa_loop_ivcanon): Ditto.
11190 (tree_ssa_empty_loop): Ditto.
11191 (tree_ssa_loop_bounds): Ditto.
11192 (tree_complete_unroll): Ditto.
11193 (tree_ssa_loop_prefetch): Ditto.
11194 (tree_ssa_loop_ivopts): Ditto.
11195 (tree_ssa_loop_done): Ditto.
11196 * predict.c (tree_estimate_probability): Ditto.
11197 * recog.c (split_all_insns_noflow): Ditto.
11198 (rest_of_handle_peephole2): Ditto.
11199 (rest_of_handle_split_all_insns): Ditto.
11200 * tree-eh.c (lower_eh_constructs): Ditto.
11201 * regmove.c (rest_of_handle_regmove): Ditto.
11202 (rest_of_handle_stack_adjustments): Ditto.
11203 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11204 * function.c (instantiate_virtual_regs): Ditto.
11205 (init_function_for_compilation): Ditto.
11206 (rest_of_handle_check_leaf_regs): Ditto.
11207 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11208 (rest_of_handle_gcse): Ditto.
11209 * ipa-type-escape.c (type_escape_execute): Ditto.
11210 * alias.c (rest_of_handle_cfg): Ditto.
11211 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11212 * profile.c (rest_of_handle_branch_prob): Ditto.
11213 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11214 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11215 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11216 * tree-dfa.c (find_referenced_vars): Ditto.
11217 * except.c (set_nothrow_function_flags): Ditto.
11218 (convert_to_eh_region_ranges): Ditto.
11219 (rest_of_handle_eh): Ditto.
11220 * emit-rtl.c (unshare_all_rtl): Ditto.
11221 (remove_unnecessary_notes): Ditto.
11222 * except.h (set_nothrow_function_flags): Ditto.
11223 (convert_to_eh_region_ranges): Ditto.
11224 * cfgexpand.c (tree_expand_cfg): Ditto.
11225 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11226 * tree-ssa-pre.c (do_pre): Ditto.
11227 (execute_fre): Ditto.
11228 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11229 (rest_of_handle_jump2): Ditto.
11230 * tree-sra.c (tree_sra): Ditto.
11231 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11232 (execute_mudflap_function_decls): Ditto.
11233 * tree-ssa-copy.c (do_copy_prop): Ditto.
11234 (do_store_copy_prop): Ditto.
11235 * ipa-prop.h (ipcp_driver): Ditto.
11236 * cfglayout.c (insn_locators_initialize): Ditto.
11237 * tree-ssa-forwprop.c
11238 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11239 * cfglayout.h (insn_locators_initialize): Ditto.
11240 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11241 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11242 (execute_late_warn_uninitialized): Ditto.
11243 * rtl.h (cleanup_barriers): Ditto.
11244 (split_all_insns_noflow): Ditto.
11245 (purge_line_number_notes): Ditto.
11246 (unshare_all_rtl): Ditto.
11247 (remove_unnecessary_notes): Ditto.
11248 (recompute_reg_usage): Ditto.
11249 (variable_tracking_main): Ditto.
11250 * integrate.c (emit_initial_value_sets): Ditto.
11251 * integrate.h (emit_initial_value_sets): Ditto.
11252 * tree-optimize.c (execute_free_datastructures): Ditto
11253 (execute_free_cfg_annotations): Ditto.
11254 (execute_fixup_cfg): Ditto.
11255 (execute_cleanup_cfg_pre_ipa): Ditto.
11256 (execute_cleanup_cfg_post_optimizing): Ditto.
11257 (execute_init_datastructures): Ditto.
11258 * tree-object-size.c (compute_object_sizes): Ditto.
11259 * combine.c (rest_of_handle_combine): Ditto.
11260 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11261 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11262 (rest_of_handle_reorder_blocks): Ditto.
11263 (rest_of_handle_partition_blocks): Ditto.
11264 * var-tracking.c (variable_tracking_main): Ditto.
11265 * tree-profile.c (tree_profiling): Ditto.
11266 * tree-vect-generic.c (expand_vector_operations): Ditto.
11267 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11268 * sched-rgn.c (rest_of_handle_sched): Ditto.
11269 (rest_of_handle_sched2): Ditto.
11270 * basic-block.h (free_bb_insn): Ditto.
11271 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11272 * tree-cfg.c (execute_build_cfg): Ditto.
11273 (remove_useless_stmts): Ditto.
11274 (split_critical_edges): Ditto.
11275 (execute_warn_function_return): Ditto.
11276 (execute_warn_function_noreturn): Ditto.
11277 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11278 * cfgrtl.c (free_bb_for_insn): Ditto.
11279 * passes.c (execute_one_pass): Run additional
11280 todos returned by execute function.
11281 * tree-pass.h (struct tree_opt_pass): Make execute
11284 2006-03-02 Richard Guenther <rguenther@suse.de>
11286 * tree-ssa-alias.c (find_used_portions): Consider taking
11287 the address as making the variable not write-only.
11289 2006-03-02 Nick Clifton <nickc@redhat.com>
11291 * config.gcc (default_use_cxa_atexit): Extend the description of
11292 this configure variable. Set its default value to "yes" for
11293 Linux, NetBSD and ELF targets on the assumption that they will
11294 use C libraries with the __cxa_atexit function.
11296 2006-03-02 Ben Elliston <bje@au.ibm.com>
11298 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11299 parameter as unused to suppress a build warning.
11301 2006-03-02 Ben Elliston <bje@au.ibm.com>
11303 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11306 2006-03-01 Roger Sayle <roger@eyesopen.com>
11309 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11310 declared name, the weak reference name, and the typeof name.
11311 (__gthrw): Avoid expanding the declared name suffix.
11312 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11314 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11316 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11318 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11319 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11320 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11321 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11322 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11323 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11324 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11325 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11326 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11327 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11328 (DW_END_default, DW_END_big, DW_END_little): New.
11329 (DW_END_lo_user, DW_END_hi_user): Define.
11330 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11331 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11332 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11335 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11337 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11339 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11341 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11343 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11345 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11346 to 'symbol_mem_tag'.
11348 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11351 2006-03-01 Roger Sayle <roger@eyesopen.com>
11353 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11355 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11358 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11359 MACHO_DYNAMIC_NO_PIC_P.
11360 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11362 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11365 * config/darwin-protos.h (darwin_asm_output_anchor):
11367 * config/darwin-sections.def (cstring_section):
11368 Add SECTION_MERGE to the flags.
11369 (literal4_section): Likewise.
11370 (literal8_section): Likewise.
11371 (objc_selector_refs_section): Likewise.
11372 (objc_cls_refs_section): Likewise.
11373 * config/darwin.c (darwin_asm_output_anchor): New
11375 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11377 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11379 Fix PR tree-optimization/26443
11380 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11381 to todo and PROP_tmt_usage to properties_destroyed.
11382 * tree-ssa-ccp.c (pass_ccp): Ditto.
11383 (pass_store_ccp): Ditto.
11384 * tree-ssa-dom.c (pass_dominator): Ditto.
11386 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11388 * tree-ssa-operands.c: Cleanup whitespace.
11389 (get_asm_expr_operands): Move before first invocation.
11390 (get_indirect_ref_operands): Likewise.
11391 (get_tmr_operands): Likewise.
11392 (get_call_expr_operands): Likewise.
11393 (append_def): Likewise.
11394 (append_use): Likewise.
11395 (append_v_may_def): Likewise.
11396 (append_v_must_def): Likewise.
11397 (add_call_clobber_ops): Likewise.
11398 (add_call_read_ops): Likewise.
11399 (add_stmt_operand): Likewise.
11400 (add_virtual_operand): Likewise.
11401 (build_ssa_operands): Likewise.
11403 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11405 PR middle-end/26022
11407 PR middle-end/24437
11408 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11409 with a call expr to ...
11410 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11412 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11414 * tree-vrp.c (extract_range_from_assert): Remove special
11415 handling for types with super-types.
11417 2006-03-01 Ben Elliston <bje@au.ibm.com>
11419 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11420 and powerpc64-*-linux* configurations.
11421 * config/t-dfprules: New file.
11423 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11424 Compile dfp-bit.c from the source directory using -DWIDTH and
11425 $DFP_CFLAGS to control the compilation of that file, rather than
11426 generating width-specific versions in the build directory.
11427 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11428 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11430 2006-02-28 Zack Weinberg <zackw@panix.com>
11432 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11435 2006-02-28 Eric Christopher <echristo@apple.com>
11437 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11438 Set up IN_LIBGCC definition of TARGET_64BIT.
11439 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11441 2006-02-28 Roger Sayle <roger@eyesopen.com>
11443 PR middle-end/14752
11444 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11445 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11446 cases via the construction of "expr != 0".
11448 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11450 * alias.c (alias_invariant, alias_invariant_size): Remove.
11451 (record_base_value): Remove.
11452 (memrefs_conflict_p): Don't look at alias_invariant.
11453 (end_alias_analysis): Don't free it.
11454 * alias.h (record_base_value): Remove prototype.
11456 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11457 Adam Nemet <anemet@caviumnetworks.com>
11459 * rtl.h (truncated_to_mode): Declare it.
11460 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11461 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11462 (RTL_HOOKS_INITIALIZER): Include it.
11463 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11464 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11465 reg_truncated_to_mode.
11466 * rtlanal.c (truncated_to_mode): Define it.
11467 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11469 2006-02-28 Jeff Law <law@redhat.com>
11471 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11472 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11473 the range allowed by TYPE_PRECISION.
11475 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11477 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11479 PR tree-optimization/26419
11480 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11483 2006-02-27 Zack Weinberg <zackw@panix.com>
11485 * doc/md.texi: Fix typo in previous change.
11487 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11491 2006-02-27 Zack Weinberg <zackw@panix.com>
11493 * rtl.def (define_constraint, define_register_constraint)
11494 (define_memory_constraint, define_address_constraint): New MD forms.
11495 * gensupport.c (process_rtx): Put define_constraint etc on the
11497 * genpreds.c (process_define_predicate): Adjust comment. Validate
11498 the name, and call validate_exp to validate the expression.
11499 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11500 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11501 all callers changed.
11502 (validate_exp, needs_variable, struct constraint_data)
11503 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11504 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11505 (const_dbl_constraints, constraint_max_namelen)
11506 (have_register_constraints, have_memory_constraints)
11507 (have_address_constraints, have_address_constraints)
11508 (have_extra_constraints, have_const_int_constraints)
11509 (have_const_dbl_constraints, mangle, add_constraint)
11510 (process_define_constraint, process_define_register_constraint)
11511 (write_enum_constraint_num, write_lookup_constraint)
11512 (write_insn_constraint_len, write_regclass_for_constraint)
11513 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11514 (write_insn_extra_memory_constraint)
11515 (write_insn_extra_address_constraint)
11516 (write_satisfies_constraint_fns): New.
11517 (write_tm_preds_h): If we have new-style constraint definitions,
11518 prototype the functions generated from them, and define the
11519 old constraint interface (still used by generic code) in terms of
11521 (write_insn_preds_c): If we have new-style constraint definitions,
11522 generate all relevant functions from those definitions.
11523 (main): Handle define_constraint etc.
11524 * genoutput.c (struct constraint_data, indep_constraints)
11525 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11526 (mdep_constraint_len): New data structures and functions, defined
11527 #ifdef USE_MD_CONSTRAINTS.
11528 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11529 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11530 use new logic to validate operand constraints against constraint
11532 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11534 * defaults.h: If none of the old-style constraint macros are
11535 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11536 old-style macros; and poison REG_CLASS_FROM_LETTER,
11537 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11539 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11540 * doc/md.texi: Document new constraint-definition mechanism and the
11541 C interface it provides. Remove references to old mechanism
11542 elsewhere in the document.
11543 (Machine Constraints): Use pathnames relative to gcc directory,
11544 i.e. config/ARCH/FILE. Change i386 section to refer to
11545 config/i386/predicates.md; update that section to match docstrings.
11546 * doc/tm.texi: Move all documentation of the old constraint-
11547 definition macros to their own section, clearly mark as obsolete.
11549 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11550 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11552 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11553 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11554 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11555 constraint strings.
11556 (splits and peepholes): Use satisfies_constraint_*.
11557 * config/i386/i386.c (memory_address_length)
11558 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11560 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11562 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11563 scalar operation to be put back into the loop.
11565 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11568 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11569 (extract_cie_info): Handle S flag in augmentation string.
11570 (execute_cfa_program): If context->signal_frame, execute also
11571 fs->pc == context->ra instructions.
11572 (uw_frame_state_for): If context->signal_frame, don't subtract one
11573 from context->ra to find FDE.
11574 (uw_update_context_1): Set context->signal_frame to
11576 (_Unwind_GetIPInfo): New function.
11577 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11578 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11580 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11581 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11582 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11583 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11584 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11585 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11586 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11587 x86_64_fallback_frame_state): Set fs->signal_frame.
11588 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11589 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11590 (frob_update_context): Likewise. Workaround missing S flag in
11591 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11592 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11593 Remove the psw_addr + 1 hack.
11595 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11597 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11598 with aggregates here.
11599 (find_func_aliases): Remove code for &<aggregate> from here.
11601 2006-02-26 Roger Sayle <roger@eyesopen.com>
11603 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11604 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11605 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11606 as (X & C) ne/eq 0.
11608 2006-02-26 Roger Sayle <roger@eyesopen.com>
11610 PR middle-end/19983
11611 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11613 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11615 * opts.c (decode_options): Do not handle flag_strength_reduce.
11616 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11617 and OPT_fstrength_reduce.
11618 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11619 flag_prefetch_loop_arrays for being nonzero.
11620 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11622 (fprefetch-loop-arrays-rtl): Removed.
11623 (flag_prefetch_loop_arrays): Do not specify the value.
11625 * doc/passes.texi: Update documentation of loop optimizer
11627 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11628 -frerun-loop-opt): Remove.
11630 2006-02-26 Richard Guenther <rguenther@suse.de>
11632 PR tree-optimization/26421
11633 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11634 in function calls that are ADDR_EXPRs as using the whole structure.
11636 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11638 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11639 * tree-pass.h (pass_loop_optimize): Remove.
11640 * passes.c (pass_loop_optimize): Never run it.
11641 * toplev.c (backend_init): Don't call init_loop.
11642 * opts.c (flag_loop_optimize_set): Remove.
11643 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11644 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11645 the old RTL loop optimizer when profiling enabled.
11646 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11647 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11648 pre-headers for the sake of the old RTL loop optimizer.
11649 * Makefile.in: Remove all references to loop.o.
11651 * doc/invoke.texi: Remove all references to -floop-optimize
11652 and -frerun-loop-opt.
11654 2006-02-26 Zack Weinberg <zackw@panix.com>
11656 * doc/md.texi (Machine Constraints): Refer to all files with paths
11657 relative to gcc directory (i.e. config/CPU/file). Add missing
11658 @table @code ... @end table to M32C subsection.
11660 2006-02-26 Roger Sayle <roger@eyesopen.com>
11662 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11664 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11666 2006-02-26 Roger Sayle <roger@eyesopen.com>
11667 James A. Morrison <phython@gcc.gnu.org>
11669 PR middle-end/21137
11670 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11671 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11672 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11673 signedness of the shift operation.
11675 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11677 PR tree-optimization/26359
11678 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11680 2006-02-25 Roger Sayle <roger@eyesopen.com>
11682 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11683 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11684 as X == 0, and some symmetry related transformations.
11685 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11687 2006-02-25 Roger Sayle <roger@eyesopen.com>
11689 PR middle-end/23673
11690 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11691 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11692 symmetry related transformations. Fold (X^C1) == C2 as
11695 2006-02-25 Juergen Weigert <jw@suse.de>
11696 Richard Guenther <rguenther@suse.de>
11698 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11700 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11702 * combine.c (gen_lowpart_or_truncate): Call
11703 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11705 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11707 * doc/invoke.texi: Move -fopenmp description to "Options for
11709 Remove reference to -lgomp.
11711 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11713 * doc/install.texi: Require GNU tar version 1.14.
11715 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11717 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11718 * doc/invoke.texi (C++ Dialect Options): Document
11719 -fno-use-cxa-get-exception-ptr.
11720 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11721 * configure: Regenerate.
11722 * c.opt (fuse-cxa-get-exception-ptr): New.
11723 * c-opts.c (c_common_handle_option): Handle
11724 OPT_fuse_cxa_get_exception_ptr.
11725 * c-common.c (flag_use_cxa_atexit): Update documentation.
11726 (flag_use_cxa_get_exception_ptr): New.
11727 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11728 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11730 (C_COMMON_OVERRIDE_OPTIONS): New.
11732 2006-02-24 Roger Sayle <roger@eyesopen.com>
11734 PR middle-end/24952
11735 * combine.c (try_combine): Explicitly check whether GET_CODE is
11736 a SET or a CLOBBER, instead on checking that it isn't a USE.
11738 2006-02-24 Roger Sayle <roger@eyesopen.com>
11740 * fold-const.c (fold_comparison): New subroutine of fold_binary
11741 containing transformations common to both the equality and
11742 ordering relational operators, factored out of fold_binary.
11743 (fold_binary): Separate out the equality operators (EQ_EXPR
11744 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11745 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11746 transformations common to both.
11747 (fold_div_compare): Fix latent bugs in the previously unreachable
11748 LT_EXPR and GE_EXPR cases.
11750 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11752 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11753 decl libname for clog to __clog on AIX.
11755 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11757 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11760 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11761 output traceback table for thunks. Localise rs6000_stack_info call.
11763 2006-02-23 Roger Sayle <roger@eyesopen.com>
11764 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11766 * gthr-posix.h (__gthrw): Fix typo in comment.
11768 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11770 * doc/cpp.texi (Character sets): Document that we do support
11771 input files to be in any character set.
11773 2006-02-23 Jeff Law <law@redhat.com>
11775 * tree.h (PHI_ARG_NONZERO): Remove.
11776 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11777 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11778 node to the new node.
11780 PR tree-optimization/26425
11781 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11782 min/max, then assume its varying.
11784 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11786 PR rtl-optimization/26316
11787 * rtlanal.c (enum may_trap_p_flags): New.
11788 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11789 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11790 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11791 (may_trap_after_code_motion_p): New function.
11792 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11793 (find_invariant_insn): Use may_trap_after_code_motion_p.
11794 * rtl.h (may_trap_after_code_motion_p): Declare.
11796 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11798 * emit-rtl.c (immed_double_const): Cleanup.
11800 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11802 Fix PR tree-optimization/26376
11803 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11806 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11808 PR middle-end/26412
11809 * gimplify.c (omp_add_variable): Guard variable size decl test with
11810 DECL_SIZE (decl) check.
11812 2006-02-23 Richard Guenther <rguenther@suse.de>
11814 PR middle-end/26439
11815 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11816 like aggregate types.
11818 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11820 * configure.ac: Add --with{,out}-long-double-128 configure option.
11821 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11822 * configure: Rebuilt.
11823 * config.in: Rebuilt.
11824 * doc/install.texi (Options specification): Document
11825 --with-long-double-128.
11827 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11828 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11829 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11830 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11832 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11834 * config/s390/s390.c (override_options): Handle
11835 TARGET_DEFAULT_LONG_DOUBLE_128.
11837 * config/alpha/alpha.c (override_options): Handle
11838 TARGET_DEFAULT_LONG_DOUBLE_128.
11840 * config/sparc/sparc.c (sparc_override_options): Handle
11841 TARGET_DEFAULT_LONG_DOUBLE_128.
11843 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11845 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11846 (real-install-headers-tar, real-install-headers-cpio)
11847 (real-install-headers-cp): New targets.
11849 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11851 * tree.h (variable_section): Delete.
11852 * varasm.c (variable_section): Delete.
11854 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11856 * install.texi: Add notes on install.texi2html.
11857 (Building in parallel): Do not use footnotes.
11859 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11862 * doc/install.texi (Configuration): Document --disable-libgomp.
11864 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11866 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11868 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11870 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11871 (vec_extractv2df_0_sse): New.
11873 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11875 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11876 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11877 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11878 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11879 to the result of the expression.
11880 (def_cfa_1): Adjust.
11881 (frame_pointer_cfa_offset): Rename to...
11882 (frame_pointer_fb_offset): ... this. Adjust all uses.
11883 (convert_cfa_to_loc_list): Rename to...
11884 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11885 Pass it on to build_cfa_loc.
11886 (compute_frame_pointer_to_cfa_displacement): Rename to...
11887 (compute_frame_pointer_to_fb_displacement): ... this. New
11888 offset parameter. Use it in computation.
11889 (gen_subprogram_die): Compute cfa_fb_offset with the new
11890 macro, and use it to compute the fb loc list and the
11893 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11895 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11896 replaced with register_operand.
11897 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11898 non-DREG is expensive.
11899 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11900 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11903 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11905 * doc/install.texi2html: Use set -e.
11907 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11909 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11910 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11911 * doc/invoke.texi (-fshared-data): Delete.
11912 * common.opt (fshared-data): Delete.
11913 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11914 (assemble_static_space): Remove #if 0 code.
11915 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11916 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11917 * config/cris/cris.h: Remove FIXME.
11919 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11921 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11924 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11926 PR middle-end/26379
11927 * combine.c (simplify_shift_const_1): Disable nested shifts
11928 optimization for vector shifts.
11930 2006-02-20 Roger Sayle <roger@eyesopen.com>
11932 PR tree-optimization/26361
11933 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11934 of unsigned integer types.
11936 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11938 * tree-chrec.c (eq_evolutions_p): New.
11939 * tree-chrec.h (eq_evolutions_p): Declared.
11940 * tree-data-ref.c: Fix formatting.
11941 (datadep_stats, dependence_stats): New.
11943 (print_direction_vector): New.
11944 (dump_data_dependence_relation): Use print_direction_vector.
11945 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11946 (compute_subscript_distance): Static.
11947 (initialize_data_dependence_relation): Static. Get the number
11948 of loops surrounding the references from the callers, and initialize
11949 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11950 base_object_differ_p analyzers.
11951 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11952 compute_overlap_steps_for_affine_1_2,
11953 analyze_subscript_affine_affine): Count the classified dependences.
11954 Print a message when a test failed.
11955 (can_use_analyze_subscript_affine_affine): New.
11956 (analyze_siv_subscript): Compute the data dependences on symbolic
11957 scevs that verify can_use_analyze_subscript_affine_affine.
11958 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11959 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11960 Handle symbolic scevs.
11961 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11963 (subscript_dependence_tester): Moved...
11964 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11965 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11966 DDR_SIZE_VECT instead of getting it in parameter.
11967 (subscript_dependence_tester): ... here. Take as a parameter
11968 loop_nest_depth. Call build_classic_dist_vector and
11969 build_classic_dir_vector.
11970 (compute_affine_dependence): Update subscript_dependence_tester
11971 parameters. Update datadep_stats counters. Call
11972 compute_subscript_distance.
11973 (compute_self_dependence): Save the dist and dir vectors. Call
11974 compute_subscript_distance.
11975 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11976 (compute_all_dependences): Reorder parameters as they were before
11977 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11978 compute_subscript_distance. Update the use of
11979 compute_affine_dependence and initialize_data_dependence_relation.
11980 (find_data_references_in_loop): Handle COMPONENT_REF.
11981 (compute_data_dependences_for_loop): Initialize dependence_stats.
11982 Don't call build_classic_dist_vector and build_classic_dir_vector.
11983 Update the parameters of initialize_data_dependence_relation and
11984 compute_all_dependences. Print the statistics from datadep_stats.
11985 (analyze_all_data_dependences): Static. Not used until the pass for
11986 checking the data dependences is contributed.
11987 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11988 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11989 (initialize_data_dependence_relation, compute_affine_dependence,
11990 analyze_all_data_dependences, compute_subscript_distance): Removed.
11991 (print_direction_vector): New.
11992 * lambda.h (gcd): ... here.
11993 (lambda_vector_gcd): Moved here from gcd_vector.
11994 * lambda-code.c (gcd, gcd_vector): Removed.
11995 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11996 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11998 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12000 * ipa-type-escape.c: Tidy some comments and white space.
12001 * tree-ssa-operands.c: Likewise.
12003 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12006 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12007 (dump_decl_name): Do not walk the decl tree chains.
12008 * tree-pass.h (TDF_CHAIN): Remove.
12010 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12012 * Makefile.in (C): Remove
12014 (.PHONY): Remove C and PROTO
12016 2006-02-20 Roger Sayle <roger@eyesopen.com>
12018 PR middle-end/26236
12019 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12020 deprecated CHAR_TYPE tree code.
12022 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12024 * configure.ac (target_list): Add install-info, dvi, html.
12025 * configure: Regenerate.
12027 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12028 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12029 treelang/Make-lang.in: Do not use double-colon rules.
12031 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12033 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12034 (TMT_USED_ALONE): New macro.
12035 * tree-pass.h (PROP_tmt_usage): New property.
12036 (TODO_update_tmt_usage): New todo.
12037 * tree-ssa-alias.c (updating_used_alone): New variable.
12038 (recalculate_used_alone): New function.
12039 (compute_may_aliases): Set updating_used_alone, call
12040 recalculate_used_alone.
12041 * tree-sra.c (pass_sra): Note that this pass destroys
12042 PROP_tmt_usage, and add TODO_update_tmt_usage.
12043 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12044 * tree-flow.h (updating_used_alone): Prototype.
12045 (recalculate_used_alone): Ditto.
12046 * passes.c (execute_todo): Add code to set updating_used_alone,
12047 and call recalculate.
12048 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12049 for clobber if used alone, and add assert to verify used_alone
12052 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12054 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12055 for non tls symbols added.
12056 (legitimize_address): Do nothing for PLUS expressions if one of the
12057 addends is a tls symbol reference.
12059 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12063 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12065 * Makefile.in (BOOTSTRAPPING): New.
12066 (quickstrap): New definition if BOOTSTRAPPING=yes.
12068 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12069 * configure.ac: Substitute all_selected_languages with the languages
12070 that were configured. For all the other variables except
12071 lang_specs_files, include all the languages in the tree.
12072 * configure: Regenerate.
12074 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12075 if there is one. Run the commands to run fixincludes in the same
12078 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12079 * doc/install.texi: Document exact conventions for searching target tools.
12080 Document --with-build-time-tools. Document toplevel bootstrap. Document
12081 something more about building an Ada cross-compiler. Don't list GNU Make
12082 requirements which affect all platforms.
12084 2006-02-19 Roger Sayle <roger@eyesopen.com>
12086 PR middle-end/19543
12087 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12088 only equivalent if the have both the same mode and precision.
12090 2006-02-20 Ben Elliston <bje@au.ibm.com>
12092 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12094 2006-02-19 Roger Sayle <roger@eyesopen.com>
12095 Steven Bosscher <stevenb.gcc@gmail.com>
12097 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12098 constant pool references to identify stack mode constants.
12099 * rtlanal.c (constant_pool_constant_p): New predicate to check
12100 whether operand is a floating point constant in the pool.
12101 * rtl.h (constant_pool_constant_p): Prototype here.
12102 * loop.c (scan_loop): Avoid hoisting constants from the constant
12103 pool on STACK_REGS targets.
12104 (load_mems): Likewise.
12105 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12106 loads into x87 registers expensive in terms of register pressure.
12108 2006-02-19 Roger Sayle <roger@eyesopen.com>
12110 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12111 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12113 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12115 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12116 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12118 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12120 * doc/invoke.texi: Document -fipa-pta.
12121 * common.opt: Add ipa-pta option.
12122 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12123 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12124 (do_ds_constraint): Ditto.
12125 (get_constraint_for): Only add to referenced_vars if
12126 referenced_vars exists.
12127 (insert_into_field_list): Rewrite to do this unsorted.
12128 (insert_into_field_list_sorted): Rename old insert_into_field_list
12130 (create_function_info_for): Use insert_into_field_list_sorted.
12131 (create_variable_info_for): Rewrite so it uses unsorted version,
12132 since the field list is sorted.
12133 (intra_create_variable_infos): Only add to referenced_vars if
12134 referenced_vars exists.
12135 (ipa_pta_execute): Init heapvars, and delete when done.
12136 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12138 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12140 * doc/install.texi: Add missing `@samp'.
12142 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12144 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12147 2006-02-18 Mark Wielaard <mark@klomp.org>
12149 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12150 who added new 4.1 features, bug fixes and integration support.
12152 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12155 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12156 MEM for ABI_V4 pic.
12158 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12160 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12161 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12162 (copy_insn_1): Likewise. Don't copy each field individually.
12164 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12166 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12167 * rtl.c (rtx_size): Rename variable to...
12168 (rtx_code_size): ...this.
12169 (rtx_size): New function.
12170 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12171 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12173 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12174 * rtl.h (rtx_code_size): New variable.
12175 (rtx_size): Change from a variable to a function.
12176 (RTX_SIZE): Rename to...
12177 (RTX_CODE_SIZE): ...this.
12180 PR tree-optimization/17106
12181 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12182 (Anchored Addresses): New section.
12183 * doc/invoke.texi (-fsection-anchors): Document.
12184 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12185 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12186 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12187 * hooks.c (hook_bool_mode_rtx_false): New function.
12188 * hooks.h (hook_bool_mode_rtx_false): Declare.
12189 * gengtype.c (create_optional_field): New function.
12190 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12191 SYMBOL_REF_IN_BLOCK_P is true.
12192 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12193 (min_anchor_offset, max_anchor_offset): Likewise.
12194 (use_anchors_for_symbol_p): New hook.
12195 * toplev.c (compile_file): Call output_object_blocks.
12196 (target_supports_section_anchors_p): New function.
12197 (process_options): Check that -fsection-anchors is only used on
12198 targets that support it and when -funit-at-a-time is in effect.
12199 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12200 if the decl doesn't have one.
12201 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12202 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12203 of force_const_mem through use_anchored_address.
12204 (expand_expr_constant): New function.
12205 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12206 calling expand_expr for INDIRECT_REF.
12207 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12208 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12209 * expr.h (use_anchored_address): Declare.
12210 * loop-unroll.c: Don't declare rtx vectors here.
12211 * explow.c: Include output.h.
12212 (validize_mem): Call use_anchored_address.
12213 (use_anchored_address): New function.
12214 * common.opt (-fsection-anchors): New switch.
12215 * varasm.c (object_block_htab, anchor_labelno): New variables.
12216 (hash_section, object_block_entry_eq, object_block_entry_hash)
12217 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12218 (use_blocks_for_decl_p, change_symbol_section): New functions.
12219 (get_variable_section): New function, split out from assemble_variable.
12220 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12221 use_blocks_for_decl_p say so. Use change_symbol_section if the
12222 symbol has already been created.
12223 (assemble_variable_contents): New function, split out from...
12224 (assemble_variable): ...here. Don't output any code for
12225 block symbols; just pass them to place_block_symbol.
12226 Use get_variable_section and assemble_variable_contents.
12227 (get_constant_alignment, get_constant_section, get_constant_size): New
12228 functions, split from output_constant_def_contents.
12229 (build_constant_desc): Create a block symbol if use_object_blocks_p
12230 says so. Or into SYMBOL_REF_FLAGS.
12231 (assemble_constant_contents): New function, split from...
12232 (output_constant_def_contents): ...here. Don't output any code
12233 for block symbols; just pass them to place_section_symbol.
12234 Use get_constant_section and get_constant_alignment.
12235 (force_const_mem): Create a block symbol if use_object_blocks_p and
12236 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12237 (output_constant_pool_1): Add an explicit alignment argument.
12238 Don't switch sections here.
12239 (output_constant_pool): Adjust call to output_constant_pool_1.
12240 Switch sections here instead. Don't output anything for block symbols;
12241 just pass them to place_block_symbol.
12242 (init_varasm_once): Initialize object_block_htab.
12243 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12244 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12245 (place_block_symbol, get_section_anchor, output_object_block)
12246 (output_object_block_htab, output_object_blocks): New functions.
12247 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12248 (TARGET_ASM_OUT): Include it.
12249 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12250 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12251 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12252 (TARGET_INITIALIZER): Include them.
12253 * rtl.c (rtl_check_failed_block_symbol): New function.
12254 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12255 (block_symbol, object_block): New structures.
12256 (rtx_def): Add a block_symbol field to the union.
12257 (BLOCK_SYMBOL_CHECK): New macro.
12258 (rtl_check_failed_block_symbol): Declare.
12259 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12260 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12261 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12262 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12263 * output.h (output_section_symbols): Declare.
12264 (object_block): Name structure.
12265 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12266 (default_use_anchors_for_symbol_p): Declare.
12267 * Makefile.in (RTL_BASE_H): Add vec.h.
12268 (explow.o): Depend on output.h.
12269 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12270 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12271 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12272 (rs6000_use_blocks_for_constant_p): New function.
12274 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12276 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12278 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12281 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12284 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12286 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12290 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12292 PR middle-end/26334
12293 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12294 instead of DECL_REGISTER.
12296 2006-02-18 Olivier Hainque <hainque@adacore.com>
12299 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12301 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12304 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12305 * opth-gen.awk: Handle Var and InverseMask together.
12306 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12307 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12308 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12309 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12311 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12312 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12313 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12314 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12315 LINUX_DYNAMIC_LINKER): Define.
12316 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12317 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12319 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12320 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12321 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12322 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12323 (TARGET_C99_FUNCTIONS): Don't define.
12324 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12325 GLIBC_DYNAMIC_LINKER.
12326 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12327 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12328 GLIBC_DYNAMIC_LINKER64): Define.
12329 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12330 LINUX_DYNAMIC_LINKER64.
12331 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12332 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12333 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12334 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12335 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12336 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12337 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12338 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12339 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12340 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12341 and LINUX_DYNAMIC_LINKER32.
12342 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12343 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12344 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12345 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12346 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12348 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12349 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12350 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12351 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12352 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12353 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12354 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12355 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12356 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12357 LINUX_DYNAMIC_LINKER): Define.
12358 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12359 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12360 GLIBC_DYNAMIC_LINKER64): Define.
12361 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12362 LINUX_DYNAMIC_LINKER64.
12363 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12364 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12365 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12366 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12367 LINUX_DYNAMIC_LINKER): Define.
12368 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12369 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12370 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12371 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12372 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12373 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12374 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12375 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12376 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12377 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12378 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12379 * doc/invoke.texi (-muclibc): Remove caveat about supported
12382 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12384 * doc/cpp.texi (__TIMESTAMP__): Document.
12386 2006-02-17 Roger Sayle <roger@eyesopen.com>
12388 PR middle-end/25600
12389 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12390 C is one less than the width of X (and related transformations).
12391 * simplify-rtx.c (simplify_unary_operation_1): Transform
12392 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12393 depending on STORE_FLAG_VALUE, were C is one less then the
12396 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12398 Fix PR tree-optimization/26341
12399 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12400 about NAME_MEMORY_TAG's.
12402 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12405 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12406 with hardware float support, and software float support. Add fcpy
12407 alternative to hardware patterns. Add alternatives to copy between
12408 general and floating-point registers to the 32-bit pattern.
12409 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12410 secondary reload to load a QI or HI mode constant into a floating
12412 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12413 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12415 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12418 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12420 (load_macho_picbase_di): Likewise.
12422 2006-02-16 Jeff Law <law@redhat.com>
12424 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12425 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12426 (ssa_name_nonzero_p): Likewise.
12427 (get_value_range): Return NULL if VRP is not running.
12428 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12429 VRP routines do not discover a range.
12430 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12431 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12432 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12433 (tree_expr_nonnegative_p): Similarly.
12434 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12435 (restore_nonzero_vars_to_original_value): Remove.
12436 (unsafe_associative_fp_binop): Remove.
12437 (tree_ssa_dominator_optimize): Remove initialization and
12438 finalization of nonzero_vars and nonzero_vars_stack.
12439 (dom_opt_initialize_block): No longer push marker on
12440 nonzero_vars_stack.
12441 (dom_opt_finalize_block): No longer call
12442 restore_nonzero_vars_to_original_value.
12443 (record_equivalences_from_phis): No longer look for
12444 nonzero PHI arguments.
12445 (cprop_into_successor_phis): No longer propagate nonzero
12446 property into PHI arguments. Lose unused argument. Caller
12448 (record_equivalences_from_stmt): No longer record nonzero
12449 values for SSA_NAMEs.
12450 (lookup_avail_expr): No longer use nonzero_vars.
12452 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12453 for sizetype when sizetype is unsigned.
12455 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12457 PR rtl-optimization/25603
12458 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12459 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12460 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12461 with new meaning of SETS.
12463 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12468 * config/linux.opt: New file.
12469 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12470 LINUX_DYNAMIC_LINKER): Define.
12471 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12472 * config.gcc (*-*-linux*): Define extra_options.
12473 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12474 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12475 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12476 GLIBC_DYNAMIC_LINKER.
12477 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12478 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12479 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12480 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12481 * doc/invoke.texi (GNU/Linux Options): New section.
12483 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12485 * config/sparc/sparc.md (setjmp): Rewrite.
12486 (setjmp_32): Delete.
12487 (setjmp_64): Likewise.
12489 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12491 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12494 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12496 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12499 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12501 PR rtl-optimization/26296
12502 * Makefile.in (loop-invariant.c): Add except.h dependency.
12503 * loop-invariant.c: Include except.h.
12504 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12506 2005-02-16 Paul Brook <paul@codesourcery.com>
12508 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12511 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12513 PR rtl-optimization/25636
12514 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12515 when deciding whether an insn is an initializing insn.
12517 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12519 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12520 (tree_code_size): Ditto.
12521 * tree.h (struct tree_memory_tag): Remove parent_var.
12522 (struct tree_struct_field_tag): New.
12525 (union tree_node): Add sft member.
12526 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12528 (create_sft): Add size and offset argument, set SFT_OFFSET and
12530 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12531 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12532 * tree-flow-inline.h (get_subvar_at): Update for
12533 SFT_OFFSET/SFT_SIZE.
12534 (var_can_have_subvars): Ditto.
12535 (overlap_subvar): Ditto.
12536 * print-tree.c (print_node): Print out interesting things for
12538 * tree-flow.h (struct subvar): Remove offset and size members.
12539 * tree-ssa-operands.c (get_expr_operands): Update for
12540 get_indirect_ref_operands changes.
12541 (get_indirect_ref_operands): Call add_virtual_operand instead of
12542 add_stmt_operand. Only recurse on base var if requested.
12543 (access_can_touch_variable): New function.
12544 (add_stmt_operand): Split virtual operand handling into ...
12545 (add_virtual_operand): Here. Add offset, size, and for_clobber
12546 arguments. Prune alias sets.
12547 (add_call_clobber_ops): Call add_virtual_operand.
12549 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12551 PR middle-end/26300
12552 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12554 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12555 than TREE_CODE as index into omp_clause_num_ops array.
12557 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12559 PR rtl-optimization/26184
12560 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12562 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12563 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12564 must_precede, must_follow and tobe_scheduled.
12567 * opts.c (common_handle_option): Free new_option pointer.
12568 * df-core.c (df_analyze): Free postorder pointer.
12570 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12572 * Makefile.in: Fix the examples about the use of stamps
12574 2006-02-15 Michael Matz <matz@suse.de>
12576 PR middle-end/22275
12578 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12579 influenced by maximum_field_alignment or DECL_PACKED.
12580 (update_alignment_for_field): Ditto.
12581 (place_field): Ditto.
12582 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12585 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12587 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12588 (debug_flow_info): Pass it.
12589 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12590 * bb-reorder.c (reorder_basic_blocks): Likewise.
12591 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12592 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12593 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12594 * gcse.c (gcse_main, bypass_jumps): Likewise.
12595 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12596 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12597 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12598 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12599 * rtl.h (dump_flow_info): Adjust prototype.
12600 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12601 * var-tracking.c (variable_tracking_main): Likewise.
12602 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12603 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12606 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12608 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12611 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12613 PR tree-optimization/26209
12614 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12615 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12617 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12619 2006-02-14 Roger Sayle <roger@eyesopen.com>
12621 PR middle-end/23670
12622 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12623 (X,Y) and the corresponding symmetry related transformations.
12624 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12625 (X,Y) and its symmetry related transformations.
12627 2006-02-14 Roger Sayle <roger@eyesopen.com>
12629 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12632 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12634 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12636 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12639 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12640 support COMDAT group.
12641 * configure: Regenerate.
12643 2006-02-14 Roger Sayle <roger@eyesopen.com>
12645 PR middle-end/26279
12646 PR middle-end/26280
12647 PR middle-end/26283
12648 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12650 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12652 Fix PR tree-optimization/26260
12654 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12656 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12657 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12658 * tree-ssa-structalias.c (create_variable_info_for): Use
12659 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12661 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12663 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12665 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12666 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12667 of the ending condition.
12668 * tree-ssa-loop-manip.c: Include params.h.
12669 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12670 tree_unroll_loop): New functions.
12671 * tree-pass.h (pass_loop_prefetch): Declare.
12672 * loop.c (rest_of_handle_loop_optimize): Test for
12673 -fprefetch-loop-arrays-rtl.
12674 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12675 * timevar.def (TV_TREE_PREFETCH): New timevar.
12676 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12677 pass_loop_prefetch): New.
12678 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12679 (cleanup_tree_cfg_loop): Call scev_reset.
12680 * common.opt (fprefetch-loop-arrays-rtl): Add.
12681 * tree-ssa-loop-prefetch.c: New file.
12682 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12683 (new_temp_expr_table): Initialize expr_vars.
12684 (free_temp_expr_table): Cleanup expr_vars.
12685 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12686 expressions from being merged into one.
12687 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12688 (struct tree_niter_desc): Add control, bound and cmp fields.
12689 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12691 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12692 (tree-cfgcleanup.o): Add SCEV_H dependency.
12693 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12694 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12696 2006-02-14 Richard Guenther <rguenther@suse.de>
12698 PR tree-optimization/26258
12699 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12700 in PHI argument processing.
12702 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12704 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12705 new expression in the requested machine mode.
12707 2006-02-13 Roger Sayle <roger@eyesopen.com>
12709 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12710 directly, instead let do_compare_rtx_and_jump handle this for us.
12711 * expr.c (expand_expr_real_1): Likewise.
12712 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12713 before do_jump_by_parts_greater.
12714 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12715 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12717 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12719 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12721 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12723 PR rtl-optimization/26235
12724 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12725 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12728 2006-02-13 Jeff Law <law@redhat.com>
12730 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12733 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12735 PR middle-end/26092
12736 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12737 twice if decl is a builtin. When trying again, call get_callee_fndecl
12738 first to verify it is still a builtin.
12740 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12742 * dwarf2out.c (base_type_die): Don't add AT_name here.
12743 (subrange_type_die): Don't add AT_name here.
12744 (modified_type_die): Rearrange code flow. Do add AT_name here.
12746 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12748 PR rtl-optimization/26247
12749 PR rtl-optimization/26248
12750 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12752 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12754 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12755 * config/fixtfdi.c: Likewise.
12756 * config/fixunstfdi.c: Likewise.
12757 * config/floatditf.c: Likewise.
12759 2006-02-13 Roger Sayle <roger@eyesopen.com>
12761 PR middle-end/24427
12762 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12763 into (X,C2) if C1 is a subset of the bits of C2. Transform
12764 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12766 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12768 2006-02-13 Josh Conner <jconner@apple.com>
12771 * varasm.c (function_section): Check for section name before
12772 calling select_section on targets that define
12773 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12774 unlikely_text_section instead of hot_function_section if
12775 first_function_block_is_cold.
12777 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12779 PR middle-end/25335
12780 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12782 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12784 PR rtl-optimization/26222
12785 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12786 after tree->rtl expansion.
12787 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12788 before passing it to emit_move_insn.
12790 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12792 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12794 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12795 Clarify documentation.
12796 * c-common.h (warn_write_strings): Remove.
12797 * c-common.c (warn_write_strings): Likewise.
12798 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12801 2006-02-12 Roger Sayle <roger@eyesopen.com>
12803 PR middle-end/25724
12804 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12805 (do_jump_parts_zero_rtx): New function renamed from
12806 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12807 (do_jump_parts_equality_rtx): New function split out from
12808 do_jump_parts_equality. Old implementation renamed as above.
12809 Call do_jump_parts_zero_rtx if either operand is zero.
12810 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12811 do all of the heavy lifting.
12812 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12813 calling either do_jump_by_parts_greater_rtx or
12814 do_jump_by_parts_equality_rtx.
12815 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12816 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12817 moved to do_compare_rtx_and_jump, call it directly.
12818 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12819 mode argument. Call do_compare_rtx_and_jump.
12820 (emit_case_nodes): Update calls to do_jump_if_equal.
12822 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12824 PR rtl-optimization/26225
12825 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12827 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12829 PR rtl-optimization/26232
12830 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12832 2006-02-11 Jason Merrill <jason@redhat.com>
12835 * tree-inline.c (declare_return_variable): Just don't use the
12836 modify target if it's a gimple complex reg and the return slot
12839 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12841 * doc/contrib.texi: Update my entry.
12843 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12845 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12847 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12849 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12852 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12854 * doc/invoke.texi (-floop-optimize2): Removed.
12855 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12856 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12857 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12858 * common.opt (floop-optimize2): Removed.
12859 (fmove-loop-invariants): Enabled by default.
12861 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12863 * tree-if-conv.c (combine_blocks): Free the result of
12864 get_loop_exit_edges.
12866 2006-02-10 Jeff Law <law@redhat.com>
12868 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12870 PR tree-optimization/26213
12871 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12872 loop trying to follow SSA_NAME_VALUE chains.
12874 2006-02-10 Richard Guenther <rguenther@suse.de>
12876 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12877 deal with structures that end in implicitly variable sized arrays.
12879 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12881 PR rtl-optimization/24762
12882 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12885 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12887 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12888 (struct ivopts_data): Add regs_used field.
12889 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12890 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12891 instead of loop_data->regs_used;
12892 (free_loop_data): Do not free aux fields for loops.
12893 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12894 and tree_ssa_iv_optimize_finalize.
12896 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12898 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12900 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12903 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12904 computing the effective result type.
12906 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12908 PR inline-asm/16194
12909 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12910 (tree_overlaps_hard_reg_set): Declare.
12911 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12912 type and signature to match function type expected by walk_tree.
12913 (tree_overlaps_hard_reg_set): New function.
12914 (decl_conflicts_with_clobbers_p): Rename to:
12915 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12916 Use tree_overlaps_hard_reg_set. Changed caller.
12917 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12918 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12919 * cris.c (cris_md_asm_clobbers): Likewise.
12921 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12923 * reload1.c (emit_input_reload_insns): Delete code that tries to
12924 inherit using find_equiv_reg.
12926 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12928 * c-common.h (flag_const_strings): Don't declare.
12929 * c-common.c (flag_const_strings): Remove.
12930 * c.opt (fconst_strings): Remove.
12931 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12932 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12933 (c_common_init_options): Don't set flag_const_strings.
12934 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12936 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12938 * arm.md (tlobits_cbranch): New pattern.
12939 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12940 testing a single bit.
12942 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12945 * tree-ssa-pre.c (create_component_ref_by_pieces):
12946 Handle RETURN_DECL like VAR_DECL.
12948 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12950 PR middle-end/26134
12951 * fold-const.c (fold_indirect_ref_1): Fold
12952 "*(foo *)&complexfoo" to "__real__ complexfoo"
12953 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12955 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12957 * tree-flow-inline.h (var_can_have_subvars):
12958 Volatile variables should not have subvariables.
12960 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12963 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12964 multiplying unsigned values.
12967 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12969 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12971 2006-02-08 Jason Merrill <jason@redhat.com>
12974 * tree.def: Elaborate on difference from MODIFY_EXPR.
12975 * doc/c-tree.texi (INIT_EXPR): Likewise.
12976 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12977 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12978 (gimplify_target_expr): Likewise.
12979 (gimplify_cond_expr): Remove target handling.
12980 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12981 (gimplify_expr): Clobber it here.
12982 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12983 Do return slot optimization if we have an INIT_EXPR.
12986 * tree-inline.c (declare_return_variable): Also clear
12987 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12990 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12992 PR middle-end/22439
12993 * gimplify.c (gimplify_one_sizepos): Fix typo.
12995 2006-02-08 Jeff Law <law@redhat.com>
12997 PR tree-optimization/21417
12998 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12999 across a backedge if the control statement at the end of the
13000 block is data dependent on other statements in the same block.
13001 (record_temporary_equivalences_from_stmts): Remove over-conservative
13002 test for threading across backedges.
13004 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13005 control statement, handle all three special cases in the same
13006 manner as they all have the same desired solution. No longer
13007 special case edge flag updating when the post dominator is
13010 2006-02-08 Roger Sayle <roger@eyesopen.com>
13012 * tree.def (CHAR_TYPE): Remove.
13013 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13014 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13015 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13016 (gen_string_type_die): Delete unreachable function.
13018 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13019 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13020 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13021 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13022 * builtins.c (type_to_class): Likewise.
13023 * fold-const.c (fold_convert, build_range_check,
13024 merge_ranges): Likewise.
13025 * expr.c (count_type_elements): Likewise.
13026 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13027 * stor-layout.c (layout_type): Likewise.
13028 * ipa-type-escape.c (type_to_consider): Likewise.
13029 * gimplify.c (omp_firstprivatize_type_sizes,
13030 gimplify_type_sizes): Likewise.
13031 * explow.c (promote_mode): Likewise.
13032 * tree-sra.c (is_sra_scalar_type): Likewise.
13033 * varasm.c (output_constant): Likewise.
13034 * tree-inline.c (remap_type_1): Likewise.
13035 * convert.c (convert_to_pointer, convert_to_real,
13036 convert_to_integer, convert_to_complex): Likewise.
13038 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13040 * df-scan.c (df_def_record_1): A set destination may
13041 be a parallel regardless of mode.
13043 2006-02-08 Roger Sayle <roger@eyesopen.com>
13046 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13047 * config/mips/_tilib.c: Remove.
13048 * config/fixtfdi.c: New libgcc source file.
13049 * config/fixunstfdi.c: New source file.
13050 * config/floatditf.c: New source file.
13051 * config/floatunditf.c: New souce file.
13052 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13053 files above instead of config/mips/_tilib.c.
13054 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13056 2006-02-08 Jeff Law <law@redhat.com>
13058 PR tree-optimization/26169
13059 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13062 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13064 * df.h (DF_REG_SIZE): Return the length of the initialized
13067 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13069 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13070 __muldf3): Return a correctly signed zero.
13072 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13074 * passes.c (register_one_dump_file): Accept the current properties
13075 instead of pass number. Adjust call to dump_register. Remove
13077 (register_dump_files): Now a wrapper around...
13078 (register_dump_files_1): ... this one. Do not modify the pass
13080 (next_pass_1): Cosmetic fix.
13081 (execute_todo): Keep second parameter only. Use curr_properties
13082 instead of fetching it from the pass structure. Check and set
13084 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13085 instead of fetching it from the pass structure. Fix calls to
13086 execute_todo. Update curr_properties and initialize .vcg RTL dump
13087 after running the pass. Reset last_verified.
13088 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13090 (FIRST_AUTO_NUMBERED_DUMP): New.
13091 (dump_register): Remove "num" parameter, assign it within the
13093 (get_dump_file_name): Modify template for dumps.
13094 * tree-dump.h (dump_register): Adjust prototype.
13095 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13096 (PROP_trees): Add PROP_gimple_lomp.
13097 (TODO_set_props): New.
13098 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13099 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13100 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13102 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13104 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13105 (sparc64-*-linux*): Likewise.
13106 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13107 * config/sparc/t-linux: New file.
13108 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13109 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13110 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13111 -m32 -mlong-double-128.
13113 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13114 * config/alpha/t-linux: New file.
13115 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13117 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13118 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13119 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13120 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13121 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13122 (CPP_ARCH32_SPEC): Remove.
13124 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13126 PR tree-optimization/26145
13127 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13130 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13133 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13134 >= 240000 when generating code for SOM runtime.
13135 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13136 to $$dyncall when generating code for SOM runtime..
13138 2006-02-07 Dirk Mueller <dmueller@suse.com>
13141 * doc/invoke.texi (-Wsequence-point): Update documentation
13142 that -Wsequence-point is implemented for C++ as well.
13144 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13146 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13147 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13148 (LIB_SPEC): Likewise.
13149 * doc/invoke.texi (SPARC options): Document -pthread.
13151 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13153 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13156 2006-02-07 Roger Sayle <roger@eyesopen.com>
13158 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13159 Correct comment describing BOOLEAN_TYPE.
13161 2006-02-07 Dirk Mueller <dmueller@suse.com>
13163 * c.opt: C++ frontend supports -Wdiv-by-zero.
13164 * c-opts.c (c_common_handle_option): Remove dead case.
13166 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13168 * configure.ac (TLS assembler check): Do not enable TLS by
13169 default on SPARC/Solaris before version 10.
13170 * configure: Regenerate.
13172 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13174 * doc/invoke.texi (xl-compat): Document conversion and support
13177 2006-02-07 Jeff Law <law@redhat.com>
13179 * tree-vrp.c (find_conditional_asserts): Update comments.
13180 (simplify_stmt_for_jump_threading): New.
13181 (identify_jump_threads, finalize_jump_threads): New.
13182 (vrp_finalize): Call identify_jump_threads.
13183 (execute_vrp): Call finalize_jump_threads.
13184 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13185 (vrp_element, vrp_data, vrp_element_p): Remove.
13186 (vrp_hash_elt, vrp_variables_stack): Remove.
13187 (vrp_hash, vrp_eq, record_range): Remove.
13188 (simplify_cond_and_lookup_avail_expr): Remove.
13189 (extract_range_from_cond): Remove.
13190 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13191 (simplify_stmt_for_jump_threading): New.
13192 (dom_thread_across_edge): New wrapper.
13193 (tree_ssa_dominator_optimize): No longer initialize or
13194 finalize any of the VRP datastructures. Remove iteration
13195 step and simplify as a result of removal of iteration step.
13196 (pass_dominator): Perform a cfg cleanup after DOM.
13197 (dom_opt_finalize_block): Use the new common routines
13198 for threading jumps. Simplify stack management slightly.
13199 No longer need to unwind VRP state.
13200 (record_equivalences_from_incoming_edge): No longer record
13202 (eliminate_redundant_computations): No longer call
13203 simplify_cond_and_lookup_avail_expr.
13204 * tree-flow.h (potentially_threadable_block): Prototype.
13205 (thread_across_edge): Likewise.
13206 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13207 (tree-ssa-threadedge.o): Add dependencies.
13208 * tree-ssa-threadedge.c: New file.
13209 * passes.c (init_optimization_passes): Merge PHIs before
13210 calling VRP. Run VRP again late in the SSA optimization pipeline.
13212 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13214 * df-core.c (df_set_blocks): Do not dereference function pointers.
13215 (df_finish1): Likewise.
13216 (df_hybrid_search_forward): Likewise.
13217 (df_hybrid_search_backward): Likewise.
13218 (df_iterative_dataflow): Likewise.
13219 (df_analyze_problem): Likewise.
13220 (df_compact_blocks): Likewise.
13221 (df_dump): Likewise.
13222 * df-scan.c (df_rescan_blocks): Likewise.
13223 (df_record_entry_block_defs): Likewise.
13225 * genconditions.c (write_conditions): Guard the definition of
13226 'insn_conditions' with the check on GCC version.
13227 (write_writer): Guard the traversal 'insn_conditions' with
13228 the check on GCC version.
13230 2006-02-07 Richard Guenther <rguenther@suse.de>
13234 2006-01-30 Richard Guenther <rguenther@suse.de>
13236 * gimplify.c (gimplify_target_expr): Handle easy cases
13237 without creating a temporary.
13239 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13241 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13242 use of float in probability computations. Use edge probabilities
13243 in place of statically computed probabilities.
13244 (min_spec_prob): New static variable.
13245 (schedule_insns): Initialize it.
13246 (GET_SRC_PROB): Removed.
13247 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13249 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13252 * config/ia64/unwind-ia64.c: Revert last change.
13253 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13254 (INCOMING_FRAME_SP_OFFSET): Define.
13256 2006-02-06 Roger Sayle <roger@eyesopen.com>
13258 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13260 2006-02-07 Ben Elliston <bje@au.ibm.com>
13262 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13263 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13264 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13265 (ix86_return_in_memory): Handle TDmode.
13266 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13267 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13269 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13271 * reorg.c (dbr_schedule): Use dump_file instead of file.
13273 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13276 * config/ia64/predicates.md (extr_len_operand): New predicate.
13277 * config/ia64/ia64.md (extv): Tighten constraints.
13279 (*tbit_and_2): Ditto.
13280 (*tbit_and_3): Ditto.
13281 (*tbit_or_2): Ditto.
13282 (*tbit_or_3): Ditto.
13283 (*bit_zero): Ditto.
13286 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13289 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13291 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13293 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13294 loop_optimizer_init and loop_optimizer_finalize
13295 * tree-ssa-sink.c (execute_sink_code): Ditto.
13296 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13297 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13298 tree_ssa_loop_done): Ditto.
13299 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13300 * sched-ebb.c: Include output.h.
13301 (schedule_ebbs): Do not use dump argument.
13302 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13303 * loop.c (loop_dump_stream): Removed.
13304 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13306 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13307 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13308 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13309 loop_iterations, strength_reduce, record_biv, record_giv,
13310 final_giv_value, check_final_value, check_ext_dependent_givs,
13311 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13312 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13313 dump_file instead of loop_dump_stream.
13314 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13315 argument dump_file.
13316 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13318 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13319 * haifa-sched.c: Include output.h
13320 (schedule_insns, sched_init): Do not use dump argument.
13321 * mode-switching.c (optimize_mode_switching): Ditto.
13322 * modulo-sched.c (stats_file): Removed.
13323 (print_node_sched_params): Do not call argument dump_file.
13324 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13325 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13327 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13329 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13330 rtl_loop_init, rtl_loop_done): Ditto.
13331 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13332 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13334 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13335 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13336 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13337 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13338 * emit-rtl.c (renumber_insns): Ditto.
13339 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13340 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13341 * regclass.c (regclass): Ditto.
13342 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13343 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13344 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13345 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13347 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13348 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13350 * gcse.c (gcse_file, debug_stderr): Removed.
13351 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13352 rest_of_handle_gcse): Do not use dump argument.
13353 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13354 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13355 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13356 compute_code_hoist_vbeinout, compute_code_hoist_data,
13357 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13358 compute_store_table, build_store_vectors, insert_insn_start_bb,
13359 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13360 store_motion): Use dump_file instead of gcse_file.
13361 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13362 * profile.c (profile_dump_file): Removed.
13363 (branch_prob): Use dump_file instead of profile_dump_file.
13364 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13366 * tree-ssa-copy.c (dump_copy_of): Ditto.
13367 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13368 dump file to life_analysis.
13369 * bt-load.c (branch_target_load_optimize): Ditto.
13370 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13372 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13373 regclass, dbr_schedule): Declaration changed.
13374 * sched-int.h (sched_init): Declaration changed.
13375 * tree-profile.c (tree_profile_dump_file): Removed.
13376 (tree_profile_hooks): Removed profile_dump_file hook.
13377 * rtl-profile (rtl_profile_dump_file): Removed.
13378 (rtl_profile_hooks): emoved profile_dump_file hook.
13379 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13381 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13382 * tree-cfg.c (build_tree_cfg): Ditto.
13383 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13384 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13385 Declaration changed.
13386 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13387 life_analysis and schedule_insns.
13388 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13390 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13392 * config/mips/mips.c (mips_reorg): Ditto.
13393 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13396 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13398 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13399 (s390_mangle_fundamental_type): New.
13400 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13403 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13404 (alpha_mangle_fundamental_type): New.
13405 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13408 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13410 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13412 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13413 (sparc_mangle_fundamental_type): New.
13415 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13417 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13418 (s390x-*-linux*): Likewise.
13419 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13420 * config/s390/t-linux: New file.
13422 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13424 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13425 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13427 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13429 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13430 (ANTIC_SAFE_LOADS): New macro.
13431 (find_or_generate_expression): Add prototype.
13432 (set_contains_value): Allow null set for sake of not always having
13433 to allocate ANTIC_SAFE_LOADS.
13434 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13435 Allow COMPONENT_REF too.
13436 (valid_in_set): Allow COMPONENT_REF.
13437 Check ANTIC_SAFE_LOADS too.
13438 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13439 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13441 (can_PRE_operation): Add COMPONENT_REF.
13442 (create_component_ref_by_pieces): New function.
13443 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13444 (insert_aux): Move AGGREGATE_TYPE_P check here.
13445 (compute_avail): Set bb local stmt uids.
13446 (pass_pre): Use TODO_update_ssa_only_virtuals.
13448 2006-02-06 Ben Elliston <bje@au.ibm.com>
13450 * configure.ac: Unconditionally disable decimal float by default.
13451 * configure: Regenerate.
13453 2006-02-06 Ben Elliston <bje@au.ibm.com>
13455 * read-rtl.c (read_name): Terminate reading on EOF.
13457 2006-02-06 Ben Elliston <bje@au.ibm.com>
13459 * dfp.c (decimal_real_arithmetic): Change second argument type
13460 from int to enum tree_code. Do not always return true, but now
13461 return result of any call to decimal_do helper functions.
13462 * dfp.h (decimal_real_arithmetic): Update prototype.
13464 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13466 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13468 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13471 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13474 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13476 * tree-vrp.c (cfg_loops): Removed.
13477 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13478 Use current_loops instead of cfg_loops. Pass flags to
13479 loop_optimizer_init.
13480 * cfgloopmanip.c (fix_loop_structure): Update only available
13482 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13483 loop_optimizer_init.
13484 * modulo-sched.c (build_loops_structure): Removed.
13485 (sms_schedule): Use loop_optimizer_init.
13486 * loop-init.c (loop_optimizer_init): Use flags to determine
13487 which properties of loops to prepare.
13488 (rtl_loop_init): Pass flags to loop_optimizer_init.
13489 * tree-ssa-sink.c (execute_sink_code): Ditto.
13490 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13491 * tree-ssa-pre.c (init_pre): Ditto.
13492 * cfgloop.h (LOOPS_NORMAL): New.
13493 (loop_optimizer_init): Declaration changed.
13495 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13497 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13498 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13500 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13502 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13504 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13505 * pa/t-pa64: Delete quadlib.c rule.
13506 * pa/x-ada: Revert last change.
13507 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13509 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13511 PR rtl-optimization/26087
13512 * rtlanal.c (canonicalize_condition): Do not cross basic block
13515 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13518 * config/ia64/ia64.c: Include debug.h.
13519 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13520 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13521 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13522 (process_epilogue, process_set, process_for_unwind_directive):
13523 Output unwind info only if requested. Add CFA info if requested.
13524 Add new arguments as needed. Adjust callers.
13525 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13527 (DWARF2_FRAME_INFO): Define to zero.
13528 * config/ia64/unwind-ia64.c: Remove code that compensated for
13529 the CFA offset error fixed above.
13530 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13531 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13532 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13533 -funwind-tables and -fexceptions to enable frame info.
13534 (dwarf2out_frame_init): Define initial CFA even if
13535 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13536 DWARF2_UNWIND_INFO is nonzero, not just defined.
13537 (dwarf2out_frame_finish): Output non-EH call frame info only
13538 if DWARF2_FRAME_INFO is nonzero.
13539 (convert_cfa_to_loc_list,
13540 compute_frame_pointer_to_cfa_displacement): Define even if
13541 unwind info is not supported.
13542 (gen_subprogram_die): Use the above unconditionally. Remove
13543 legacy alternate code.
13544 * toplev.c (compile_file): Compile in call to
13545 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13546 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13548 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13549 Jakub Jelinek <jakub@redhat.com>
13551 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13552 IBM extended float format long double as "g" on powerpc*-linux.
13554 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13557 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13558 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13560 2006-02-03 Jason Merrill <jason@redhat.com>
13563 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13565 PR middle-end/25977
13566 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13567 on the return slot if it's an NRV.
13569 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13571 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13572 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13573 rewrite_use): Do not handle USE_OUTER.
13574 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13575 add_iv_outer_candidates, may_replace_final_value,
13576 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13577 (find_interesting_uses_op): Functionality of
13578 find_interesting_uses_outer_or_nonlin moved here.
13579 (find_interesting_uses_outside): Use find_interesting_uses_op.
13581 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13584 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13586 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13587 Ulrich Weigand <uweigand@de.ibm.com>
13590 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13591 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13592 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13593 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13595 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13596 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13597 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13598 Define secondary reloads for TFmode moves.
13599 (constant_modes): Add TFmode.
13600 (NR_C_MODES): Set to 8.
13601 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13603 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13604 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13605 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13606 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13607 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13608 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13609 (FPR mode macro): Add TFmode.
13610 (DSF mode macro): New.
13611 (<de>, <dee> mode attributes): Removed.
13612 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13613 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13614 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13615 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13616 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13617 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13618 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13619 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13620 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13621 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13622 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13623 "*negabs<mode>2", "sqrt<mode>2"):
13624 Changed <de> to <xde>. R constraint replaced by <Rf>.
13625 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13627 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13628 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13629 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13631 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13632 "extenddftf2", "extendsftf2"): New expanders.
13633 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13634 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13635 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13636 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13638 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13639 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13640 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13641 __floatditf): Add a GCC_4.1.0 symbol version tag.
13642 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13645 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13648 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13649 Use targetm.binds_local_p instead of TREE_PUBLIC.
13651 2006-02-02 Roger Sayle <roger@eyesopen.com>
13653 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13654 on INTEGER_TYPEs to indicate that it denotes a character type.
13655 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13656 signed_char_type_node, unsigned_char_type_node and char_type_node.
13657 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13658 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13659 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13661 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13662 Daniel Berlin <dberlin@dberlin.org>
13664 * tree-tailcall.c (arg_needs_copy_p): New function.
13665 (eliminate_tail_call): Use arg_needs_copy_p.
13666 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13667 (add_virtual_phis): New function.
13669 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13671 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13672 #ignore instead of #scratch for %g7 .register directive.
13674 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13676 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13679 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13681 * flow.c (calculate_global_regs_live): Assert that there aren't any
13684 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13686 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13687 what its name says.
13688 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13689 bsi_after_labels iterator.
13690 * tree-if-conv.c (find_phi_replacement_condition,
13691 replace_phi_with_cond_modify_expr): Likewise.
13692 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13693 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13695 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13697 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13699 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13702 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13703 array after growing it.
13705 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13707 PR middle-end/24901
13708 * fold-const.c (fold_checksum_tree): Change type of buf.
13710 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13712 * reload.c (push_secondary_reload): Initialize t_icode.
13714 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13716 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13717 -msoft-float -mlong-double-128 only issue a warning, but don't
13718 swich to DFmode long double.
13720 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13722 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13723 has a constant equivalent, iterate over equivalents for arg0,
13724 calling simplify_relational_operation and if there's a result
13725 cheaper than X, apply fold_rtx and return the result.
13727 2006-02-01 Jan Hubicka <jh@suse.cz>
13729 * opts.c (no_unit_at_a_time_default): New global variable.
13730 (decode_options): Use it.
13731 * opts.h (no_unit_at_a_time_default): Declare.
13733 2006-02-01 Paul Brook <paul@codesourcery.com>
13735 * function.c (assign_parm_setup_reg): Use function argument promotion
13737 * expr.c (expand_expr_real_1): Use function argument promotion rules
13740 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13742 * gcc.c (process_command): Change j to 'unsigned int'.
13744 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13746 PR middle-end/26001
13747 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13748 Use the corrected index for the character
13749 out of the string constant.
13751 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13753 * mode-switching.c (optimize_mode_switching): Fix size
13754 allocated for bb_info[n_entities].
13756 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13758 * gcc.c (main): Correct type that is allocated for
13759 explicit_link_files.
13761 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13763 * config/s390/s390.c (init_alignment_context): Set
13764 ALIAS_SET_MEMORY_BARRIER on the MEM.
13765 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13767 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13769 PR middle-end/25933
13770 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13772 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13775 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13777 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13778 * regrename.c: Ditto.
13779 * tree-ssa-loop-im.c: Ditto.
13780 * tree-dump.c: Ditto.
13781 * tree-complex.c: Ditto.
13782 * genrecog.c: Ditto.
13783 * tree-ssa-threadupdate.c: Ditto.
13785 * java/class.c: Ditto.
13786 * java/jcf-parse.c: Ditto.
13787 * java/resource.c: Ditto.
13788 * java/except.c: Ditto.
13789 * java/jvspec.c: Ditto.
13790 * java/jcf-write.c: Ditto.
13791 * java/jcf-path.c: Ditto.
13792 * java/gjavah.c: Ditto.
13793 * java/zextract.c: Ditto.
13794 * java/jcf-io.c: Ditto.
13795 * java/jcf.h: Ditto.
13796 * java/buffer.c: Ditto.
13797 * java/lang.c: Ditto.
13798 * java/parse-scan.y: Ditto.
13799 * java/lex.c: Ditto.
13800 * java/lex.h: Ditto.
13801 * cfgloopmanip.c: Ditto.
13802 * postreload-gcse.c: Ditto.
13803 * tree-ssa-loop-manip.c: Ditto.
13804 * postreload.c: Ditto.
13805 * tree-ssa-loop-ch.c: Ditto.
13808 * cppspec.c: Ditto.
13809 * diagnostic.c: Ditto.
13811 * genoutput.c: Ditto.
13813 * cfghooks.c: Ditto.
13814 * cfgloopanal.c: Ditto.
13815 * objc/objc-act.c: Ditto.
13817 * genextract.c: Ditto.
13818 * genautomata.c: Ditto.
13819 * pretty-print.c: Ditto.
13820 * genemit.c: Ditto.
13821 * cgraphunit.c: Ditto.
13823 * df-scan.c: Ditto.
13824 * haifa-sched.c: Ditto.
13825 * dominance.c: Ditto.
13827 * tree-ssa-loop-ivopts.c: Ditto.
13828 * df-core.c: Ditto.
13829 * mode-switching.c: Ditto.
13830 * modulo-sched.c: Ditto.
13832 * ipa-pure-const.c: Ditto.
13834 * fix-header.c: Ditto.
13836 * tree-stdarg.c: Ditto.
13837 * ipa-utils.c: Ditto.
13838 * loop-init.c: Ditto.
13839 * ipa-inline.c: Ditto.
13840 * cfganal.c: Ditto.
13842 * alloc-pool.c: Ditto.
13843 * dwarf2out.c: Ditto.
13845 * genattrtab.c: Ditto.
13846 * tree-ssa-loop-ivcanon.c: Ditto.
13847 * predict.c: Ditto.
13848 * timevar.c: Ditto.
13850 * fortran/gfortranspec.c: Ditto.
13851 * regmove.c: Ditto.
13852 * local-alloc.c: Ditto.
13853 * langhooks.c: Ditto.
13854 * function.c: Ditto.
13855 * tree-vectorizer.c: Ditto.
13857 * ipa-type-escape.c: Ditto.
13859 * tree-if-conv.c: Ditto.
13860 * profile.c: Ditto.
13862 * tree-data-ref.c: Ditto.
13863 * loop-unroll.c: Ditto.
13864 * treelang/treetree.c: Ditto.
13866 * bt-load.c: Ditto.
13867 * ggc-common.c: Ditto.
13869 * coverage.c: Ditto.
13871 * tree-cfgcleanup.c: Ditto.
13872 * tree-ssa-pre.c: Ditto.
13873 * cfgcleanup.c: Ditto.
13874 * loop-invariant.c: Ditto.
13875 * loop-iv.c: Ditto.
13876 * ipa-prop.c: Ditto.
13877 * print-tree.c: Ditto.
13878 * conflict.c: Ditto.
13879 * ggc-page.c: Ditto.
13880 * sched-deps.c: Ditto.
13881 * regclass.c: Ditto.
13882 * tree-object-size.c: Ditto.
13883 * combine.c: Ditto.
13884 * bb-reorder.c: Ditto.
13885 * resource.c: Ditto.
13886 * var-tracking.c: Ditto.
13887 * cfgloop.c: Ditto.
13888 * df-problems.c: Ditto.
13889 * reg-stack.c: Ditto.
13891 * gccspec.c: Ditto.
13892 * sched-rgn.c: Ditto.
13893 * tree-ssa-structalias.c: Ditto.
13894 * tree-ssa-reassoc.c: Ditto.
13895 * config/darwin-c.c: Ditto.
13896 * config/darwin.c: Ditto.
13897 * config/arm/arm.c: Ditto.
13899 * collect2.c: Ditto.
13900 * reload1.c: Ditto.
13902 2006-01-31 Nicolas Pitre <nico@cam.org>
13904 * arm.md (smaxsi3): Make aware of smax_m1.
13907 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13909 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13911 2006-01-31 Richard Guenther <rguenther@suse.de>
13913 * doc/invoke.texi (-msselibm): Document.
13914 * target.h (expand_library_builtin): New target hook.
13915 * builtins.c (expand_builtin): Use expand_library_builtin.
13916 (default_expand_library_builtin): New function.
13917 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13918 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13919 (link_gcc_math_spec): Declare.
13920 (static_specs): Add link_gcc_math_spec.
13921 * expr.h (default_expand_library_builtin): Declare.
13922 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13923 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13924 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13925 * config/i386/i386.opt (msselibm): New target option.
13926 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13927 (ix86_init_sse_abi_builtins): New function.
13928 (ix86_expand_library_builtin): Likewise.
13929 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13930 (override_options): Handle error conditions wrt -msselibm.
13931 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13932 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13933 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13936 2006-01-31 Richard Guenther <rguenther@suse.de>
13937 Paolo Bonzini <bonzini@gnu.org>
13939 * doc/install.texi (--disable-libgcc-math): Document.
13941 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13943 * expr.h (expand_normal): new inline function.
13944 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13945 * dojump.c: use it.
13946 * dwarf2out.c: use it.
13949 * expmed.c: use it.
13950 * except.c: use it.
13951 * config/sparc/sparc.c: use it.
13952 * config/i386/i386.c: use it.
13953 * config/rs6000/rs6000.c: use it.
13954 * config/arm/arm.c: use it.
13955 * config/mips/mips.c: use it.
13956 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13958 2006-01-30 Roger Sayle <roger@eyesopen.com>
13960 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13961 argv to the appropriate type.
13963 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13965 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13968 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13971 * config/s390/s390.c (struct machine_function): New flag
13972 decomposed_literal_pool_addresses_ok_p.
13973 (s390_reorg): Set it before final stage of literal pool transforms.
13974 (s390_decompose_address): Only accept displacements of the form
13975 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13977 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13979 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13980 the comparison routine return.
13982 2006-01-30 Michael Matz <matz@suse.de>
13984 * global.c (find_reg): Only evict for global regs.
13985 Take n_refs into account and dump more info.
13987 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13990 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13991 (pragma_trap, pragma_nosave_low_regs): Likewise.
13992 (current_function_anonymous_args): Likewise.
13993 (sh_deferred_function_attributes): New variable.
13994 (sh_deferred_function_attributes_tail): Likewise.
13995 (print_operand): For '@', look up trap_exit attribute.
13996 (calc_live_regs): Look up trapa_handler attribute. For trapa
13997 handlers, save/restore fpscr, but don't do any other
13998 interrupt-specific saves.
13999 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14000 Fix check for partially saved registers to check for SHmedia.
14001 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14002 (sh_output_function_epilogue): Don't clear any of the removed
14004 (sh_insert_attributes): Don't check pragma_interrupt.
14005 Insert deferred attributes. Check that interrupt attribute is
14006 present for other attributes that require its presence.
14007 (sh_attribute_table): Add new attributes trapa_handler and
14009 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14010 Don't check for pragma_interrupt. Don't store argument.
14011 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14012 (sh_deferred_function_attributes): Declare.
14013 (sh_deferred_function_attributes_tail): Likewise.
14014 * sh.md (sp_switch_1): Add operand. Change generator caller.
14015 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14016 (*return_i): Don't use when trap_exit attribute is in effect.
14017 (*return_trapa): New insn pattern.
14018 * sh-c.c: New file.
14019 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14020 setting c_target_objs and cxx_target_objs.
14021 * t-sh: Add rule for sh-c.o.
14023 2006-01-30 Richard Guenther <rguenther@suse.de>
14026 * gimplify.c (gimplify_target_expr): Handle easy cases
14027 without creating a temporary.
14029 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14031 * vec.h (safe_grow): Remove duplicated line.
14033 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14036 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14037 (expand_omp): ... here.
14038 (expand_omp_parallel): Only remove barriers for combined
14039 parallel+workshare constructs.
14041 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14045 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14046 * tree.c (build_qualified_type): Chain the new type to the original
14047 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14048 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14049 (build_pointer_type_for_mode): Only return unqualified types.
14050 (build_reference_type_for_mode): Likewise.
14052 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14054 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14055 * Makefile.in (CXX_COMPAT_WARN): Define.
14056 * configure: Regenerate.
14058 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14061 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14064 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14066 * toplev.c: Fix thinko.
14068 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14069 Marcin Dalecki <martin@dalecki.de>
14071 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14072 (push_srcloc): Use XNEW.
14073 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14075 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14077 * df-core.c (df_set_blocks): Deleted all variable.
14079 2006-01-28 Ian Lance Taylor <ian@airs.com>
14081 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14082 cgraph_output_pending_asms.
14084 2006-01-28 Zack Weinberg <zackw@panix.com>
14086 * c.opt: Add -W(no-)overlength-strings.
14087 * doc/invoke.texi: Document it.
14088 * c-opts.c (c_common_handle_option): -pedantic implies
14089 -Woverlength-strings, if not explicitly disabled already.
14090 (c_common_post_options): -Woverlength-strings defaults to off, and
14091 is always off for C++.
14092 * c-common.c (fix_string_type): Issue warning about strings longer
14093 than is portable only if warn_overlength_strings. Rearrange code
14094 a little for clarity.
14095 * configure.in: Check for -Wno-overlength-strings as well before
14096 enabling -pedantic in stage 1.
14097 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14098 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14100 * genconditions.c (write_header, write_one_condition)
14101 (write_conditions, write_writer): Consolidate very long strings
14102 that were broken up to fit in C89 portable limit. Don't use
14103 printf when fputs will do.
14105 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14107 * combine.c (simplify_comparison <AND>): Check
14108 TRULY_NOOP_TRUNCATION before start using a subreg.
14110 * config/mips/mips.md (*branch_zero<mode>,
14111 *branch_zero<mode>_inverted, *branch_equality<mode>,
14112 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14113 Remove mode check from comparisons.
14115 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14117 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14119 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14121 * expmed.c (const_mult_add_overflow_p): Remove.
14122 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14124 * recog.c (validate_replace_rtx_subexp): Remove.
14125 * recog.h: Remove the prototype for
14126 validate_replace_rtx_subexp.
14128 * integrate.h: Remove the prototype for
14129 copy_decl_for_inlining.
14130 * rtl.h: Remove the prototype for mark_constant_function.
14131 * tree-vectorizer.h: Remove the prototype for
14132 vect_strip_conversion.
14134 * modulo-sched.c (create_partial_schedule,
14135 free_partial_schedule, reset_partial_schedule): Make them
14138 * hooks.c (hook_bool_rtx_int_false): Remove.
14139 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14141 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14143 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14144 and -mlong-double-128 are incompatible.
14145 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14146 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14147 (TARGET_LIBGCC2_CFLAGS): Define.
14148 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14149 (TARGET_LIBGCC2_CFLAGS): Same.
14150 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14152 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14155 * c-typeck.c (build_binary_op): Perform implicit casts of
14156 operands before shortening them.
14158 * cfgloopmanip.c (split_loop_bb): Remove.
14159 * cfgloop.h: Remove the prototype for split_loop_bb.
14161 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14162 * cfgloop.h: Remove the prototype for
14163 flow_loop_outside_edge_p.
14165 * emit-rtl.c (init_virtual_regs): Make it static.
14166 * function.h: Remove the prototype for init_virtual_regs.
14168 * recog.c (peephole2_optimize): Make it static.
14169 * recog.h: Remove the prototype for peephole2_optimize.
14171 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14173 * df-scan.c (df_record_entry_block_defs): Check if
14174 INCOMING_RETURN_ADDR_RTX is defined.
14176 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14177 Kenneth Zadeck <zadeck@naturalbridge.com>
14179 PR rtl-optimization/24762
14180 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14181 * targhooks.c (hook_void_bitmap): New hook prototype.
14182 * targhoohs.h (hook_void_bitmap): Ditto.
14183 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14184 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14185 * target.h (live_on_entry): New function pointer.
14186 * df-scan.c (df_all_hard_regs): Removed.
14187 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14188 (df_scan_free_internal): Added df->entry_block_defs.
14189 (df_scan_alloc): Ditto.
14190 (df_scan_dump): Ditto.
14191 (df_uses_record): Plumbed flag field properly thru calls.
14192 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14193 This part fixes PR24762.
14194 (df_bb_refs_record): Added code to make the frame and arg
14195 pointers live in EH blocks.
14196 (df_refs_record): Added call to df_record_entry_block_defs.
14197 (df_record_entry_block_defs): New function.
14198 * df-core.c: Added comments to describe new artifical defs.
14199 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14200 (entry_block_defs): New field in struct df.
14201 (df_all_hard_regs): Deleted.
14202 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14203 * df-problems.c (df_ru_bb_local_compute_process_def):
14204 Added code to handle artifical defs in the entry to a function.
14205 (df_ru_bb_local_compute): Ditto.
14206 (df_rd_bb_local_compute_process_def): Ditto.
14207 (df_rd_bb_local_compute): Ditto.
14208 (df_lr_bb_local_compute): Ditto.
14209 (df_ur_bb_local_compute): Ditto.
14210 (df_urec_bb_local_compute): Ditto.
14211 (df_chain_create_bb): Ditto.
14212 (df_ur_local_finalize): Removed entry.
14213 (df_urec_init): Ditto.
14214 (df_urec_local_finalize): Ditto.
14215 (df_ri_bb_compute): Added detection of last use of pseudos.
14216 * Makefile.in (df-scan.o): Updated dependencies.
14217 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14218 * config/mips/mips.c (mips_set_live_on_entry): Added.
14219 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14221 * dce.c (marked_insn_p): Added code to handle artifical defs.
14223 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14225 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14227 (_mm_cvtsi128_si64): Likewise.
14228 (_mm_cvtsd_si64): Likewise.
14229 (_mm_cvttsd_si64): Likewise.
14230 (_mm_cvtsi64_sd): Likewise.
14231 (_mm_cvtsi64_si128): Likewise.
14232 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14233 (_mm_cvtsi64_m64): Likewise.
14234 (_m_to_int64): Likewise.
14235 (_mm_cvtm64_si64): Likewise.
14236 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14237 (_mm_cvttss_si64): Likewise.
14238 (_mm_cvtsi64_ss): Likewise.
14239 (_mm_cvtss_f32): Likewise.
14241 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14243 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14244 for pragma redefine_extname.
14246 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14249 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14250 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14251 -mno-minimal-toc to previous content.
14252 (bispecs): Remove goal.
14253 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14254 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14255 compatibility aliases on powerpc-*-*gnu*.
14256 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14257 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14258 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14259 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14260 (ldblspecs): New goal.
14261 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14262 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14264 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14265 L_sf_to_tf or L_df_to_tf is defined.
14267 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14268 Alan Modra <amodra@bigpond.net.au>
14271 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14272 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14273 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14274 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14275 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14276 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14277 (rs6000_override_options): Initialize rs6000_ieeequad.
14278 Initialize TFmode format to ibm_extended_format if not
14280 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14282 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14283 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14284 (function_arg_advance): IBM long double passed in two FPRs, not
14286 (function_arg): IBM long double passed in FPRs.
14287 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14288 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14289 Only multireg GPR aligned.
14290 (rs6000_init_libfuncs): Enable IBM long double functions if not
14292 (rs6000_generate_compare): Use IBM long double compare if not
14294 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14295 (TARGET_IEEEQUAD): Define.
14296 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14297 not TARGET_IEEEQUAD.
14298 * config/rs6000/rs6000.md: Enable TFmode patterns if
14300 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14301 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14302 and -mlong-double-128 are incompatible.
14303 * doc/invoke.texi (-mabi): Collect options together. Add
14304 ibmlongdouble and ieeelongdouble.
14306 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14308 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14310 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14311 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14312 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14313 * rtl.h (rtunion_def): Remove rt_ptr.
14315 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14316 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14317 * config/i386/winnt.c (i386_pe_mark_dllexport)
14318 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14320 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14322 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14324 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14328 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14329 pthread_key_delete. From John David Anglin. gthrw-ify
14330 pthread_getunique_np only if it it's not a macro. Delete
14332 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14333 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14334 __gthread_objc_condition_signal, __gthread_key_delete): Add
14335 "__attribute__ ((__unused__))" to unused arguments.
14336 (__gthread_recursive_mutex_init_function): Add missing return.
14337 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14338 gthr-posix95.h: Use macro-based approach for name redirection
14339 on targets missing weakref.
14341 2006-01-26 Zack Weinberg <zackw@panix.com>
14343 * genconditions.c (write_header): In generated code, #ifdef out
14344 all includes and fake declarations, except includes of bconfig.h
14345 and system.h, unless GCC_VERSION >= 3001. Do not include
14346 gensupport.h in any case.
14347 (write_conditions): Generate a definition of struct c_test. Add
14348 a comment to the generated #endif.
14349 (write_one_condition): Escape backslashes in string too.
14350 (write_writer): Generated code must escape backslashes and quote
14351 marks (but not newlines) in the strings it writes.
14352 * Makefile.in (build/gencondmd.o): Update dependencies.
14354 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14357 * Makefile.in (insn-automata.o): Add header file dependencies.
14358 * genautomata.c: Add includes.
14360 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14363 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14365 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14367 * configure.ac: Expect target tools paths to be passed from the toplevel
14368 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14370 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14372 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14375 * c.opt (Wpointer-sign): Init to -1.
14376 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14377 OPT_pedantic, to 0 otherwise.
14378 * doc/invoke.texi: Update.
14380 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14382 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14383 constants provided by 80387 instructions in the destination mode.
14385 2006-01-26 Richard Guenther <rguenther@suse.de>
14386 Andrew Pinski <pinskia@physics.uc.edu>
14389 partial PR tree-opt/17064
14390 * tree-ssa-structalias.c (intra_create_variable_infos):
14391 Create heap variables for incoming parameters if
14392 flag_argument_noalias > 1.
14393 (find_what_p_points_to): Look through default defs of
14396 2006-01-26 Jeff Law <law@redhat.com>
14399 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14400 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14401 within the VR_RANGE, use the VR_RANGE as the result, not the
14403 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14404 bounds for the type.
14406 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14408 * tree-ssa-alias.c (maybe_create_global_var): Change
14409 subvar walking to an assertion that we don't have subvar'd variables.
14411 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14414 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14415 Use a new variable, inner. PARM_DECLs are always non-weak.
14417 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14419 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14420 --disable-checking.
14422 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14424 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14426 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14428 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14429 (smax_insn, smin_insn, smax_0, smin_0): New.
14431 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14434 * config/cris/cris.c (cris_order_for_addsi3): New function.
14435 * config/cris/cris-protos.h: Prototype it.
14436 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14437 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14438 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14439 (split for "op.S1 [rx=rx+i],ry (swapped)")
14440 (split for "op(s|u).S1 [rx=rx+i],ry")
14441 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14442 Apply cris_order_for_addsi3 when generating addsi3 insns.
14444 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14446 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14447 (TREE_BLOCK): Add call to EXPR_CHECK.
14449 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14452 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14453 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14454 (dump_omp_clauses): ... here.
14455 (dump_generic_node): Handle OMP_CLAUSE.
14456 * tree.c (omp_clause_num_ops): New.
14457 (omp_clause_code_name): New.
14458 (tree_code_size): Handle OMP_CLAUSE.
14459 (tree_size): Likewise.
14460 (make_node): Document handling of OMP_CLAUSE.
14461 (tree_node_structure): Handle OMP_CLAUSE.
14462 (omp_clause_check_failed): New.
14463 (omp_clause_range_check_failed): New.
14464 (omp_clause_operand_check_failed): New.
14465 (build_omp_clause): New.
14466 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14467 * tree.h (enum omp_clause_code): Declare.
14468 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14469 (OMP_CLAUSE_RANGE_CHECK): Define.
14470 (OMP_CLAUSE_ELT_CHECK): Define.
14471 (omp_clause_check_failed): Declare.
14472 (omp_clause_operand_check_failed): Declare.
14473 (omp_clause_range_check_failed): Declare.
14474 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14475 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14476 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14477 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14478 (OMP_CLAUSE_IF_EXPR): Likewise.
14479 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14480 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14481 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14482 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14483 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14484 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14485 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14486 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14487 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14488 (OMP_CLAUSE_CODE): Define.
14489 (OMP_CLAUSE_SET_CODE): Define.
14490 (OMP_CLAUSE_CODE): Define.
14491 (OMP_CLAUSE_OPERAND): Define.
14492 (struct tree_omp_clause): Declare.
14493 (union tree_node): Add field 'omp_clause'.
14494 * treestruct.def (TS_OMP_CLAUSE): Define.
14495 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14496 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14497 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14498 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14499 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14500 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14501 (OMP_CLAUSE): Define.
14502 * print-tree.c (print_node): Handle OMP_CLAUSE.
14503 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14504 * c-typeck.c: Likewise.
14505 * gimplify.c: Likewise.
14506 * c-omp.c: Likewise.
14507 * tree-nested.c: Likewise.
14508 * tree-inline.c: Likewise.
14509 * c-parser.c: Likewise.
14510 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14513 2006-01-25 Roger Sayle <roger@eyesopen.com>
14515 PR rtl-optimization/25703
14516 * combine.c (try_combine): Handle zero_extract and strict_low_part
14517 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14519 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14521 * global.c: Fix comment typos.
14523 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14526 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14527 Use output_addr_const instead of assemble_name.
14529 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14531 * Makefile.in (sched-vis.o): Update dependencies.
14532 * haifa-sched.c (sched_finish): Clear current_sched_info.
14533 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14534 (dump_flow_info): Call it.
14535 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14537 * basic-block.h (dump_bb_info): Declare.
14538 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14539 option, and apply options only for dump files whose TDF_RTL,
14540 TDF_TREE, or TDF_IPA bits match.
14541 * rtl.h: Declare new functions exported from sched-vis.c.
14542 * sched-vis.c: Enable also if scheduling is not used.
14543 (print_value): Print the mode of registers if not inside scheduling.
14544 (print_insn): Make it work outside the scheduler. Beautify the output
14546 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14548 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14550 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14551 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14552 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14553 depending on the value of CONSTANT_POOL_ADDRESS_P.
14554 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14556 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14557 rather than SYMBOL_REF_DECL.
14558 (rtx_constant_pool): Remove const_rtx_sym_htab.
14559 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14560 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14561 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14562 Remove handling of const_rtx_sym_htab.
14563 (find_pool_constant): Delete.
14564 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14565 rather than find_pool_constant.
14566 (get_pool_constant_for_function): Delete.
14567 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14568 find_pool_constant.
14569 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14570 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14571 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14572 (SYMBOL_REF_CONSTANT): New macro.
14573 (get_pool_constant_for_function): Delete.
14574 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14575 rather than SYMBOL_REF_DECL.
14576 (i386_pe_mark_dllimport): Likewise.
14577 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14578 rather than SYMBOL_REF_DECL.
14579 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14580 (machopic_indirect_call_target): Likewise.
14582 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14584 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14586 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14588 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14590 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14592 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14594 2006-01-24 David Daney <ddaney@avtrex.com>
14597 * configure.ac (enable_tls): New enable option.
14598 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14599 * configure: Regenerate.
14600 * doc/install.texi (--enable-tls): Document new option.
14601 (--disable-tls): Ditto.
14603 2006-01-24 Richard Henderson <rth@redehat.com>
14605 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14606 * alias.c (true_dependence): Respect it.
14607 (canon_true_dependence, write_dependence_p): Likewise.
14608 * builtins.c (get_builtin_sync_mem): Set it.
14610 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14612 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14615 2006-01-24 DJ Delorie <dj@redhat.com>
14617 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14618 for storing constants in single-bit bitfields.
14620 2006-01-25 Ben Elliston <bje@au.ibm.com>
14622 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14624 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14627 * tree-ssa-pre.c (phi_translate): Return NULL
14628 for AGGREGATE_TYPE's.
14630 2006-01-24 Zack Weinberg <zackw@panix.com>
14632 * genautomata.c (process_state_for_insn_equiv_partition):
14633 Use xcalloc for insn_arcs_array.
14634 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14635 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14637 2006-01-24 Richard Henderson <rth@redhat.com>
14639 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14640 update all callers.
14642 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14644 PR rtl-optimization/25890
14645 PR rtl-optimization/25905
14646 * combine.c (expand_compound_operation, expand_field_assignment):
14647 Fail if the bitfield's final position is out of bounds.
14649 2006-01-24 Ian Lance Taylor <ian@airs.com>
14651 PR middle-end/25930
14652 * cgraphunit.c (cgraph_output_in_order): Don't clear
14653 cgraph_asm_nodes until after asm strings have been output.
14655 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14657 * fix-header.c (read_scan_file): Add new parameter imultilib when
14658 calling register_include_chains.
14660 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14662 * omp-low.c: Update documentation.
14664 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14665 Daniel Berlin <dberlin@dberlin.org>
14669 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14670 return from the function.
14672 2006-01-22 Zack Weinberg <zackw@panix.com>
14674 * rtl.def (match_code): Add second argument.
14675 * genpreds.c (write_extract_subexp): New function.
14676 (write_match_code): Add path argument. Use write_extract_subexp.
14677 (write_predicate_expr): Pass path to write_match_code.
14678 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14679 not perform a mode test.
14680 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14681 a subexpression does not constrain the top-level code set.
14682 * read-rtl.c (read_rtx_variadic): New function.
14683 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14684 * doc/md.texi: Document new notation.
14685 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14686 (cmpsi_operand): ... here, using new notation.
14688 2006-01-22 Zack Weinberg <zackw@panix.com>
14690 * varray.c: Remove GENERATOR_FILE #ifdefs.
14692 2006-01-22 Zack Weinberg <zackw@panix.com>
14694 * genautomata.c (output_reserved_units_table): Emit nothing if
14695 description->query_units_num is zero. Remove extra blank line.
14696 (output_cpu_unit_reservation_p): Short circuit
14697 if description->query_units_num is zero.
14699 2006-01-22 Zack Weinberg <zackw@panix.com>
14701 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14702 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14703 nor any of the random handful of variables that used to be necessary
14704 when this program was linked with rtlanal.o. Prune set of forward
14705 function declarations.
14706 (struct attr_desc): Remove static_p field.
14707 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14708 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14709 (attr_string): Do not read the character one past the length of
14711 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14712 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14713 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14714 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14715 (make_automaton_attrs): New.
14716 (main): Do not call into genautomata. Call local gen_bypass
14717 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14718 Remove special case for insn_alts.
14719 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14720 varray.h (leftover from previous change). Prune set of forward
14721 function declarations. Remove state_alts fields from all
14722 structures. Remove state_alts_table from struct automaton.
14723 Make everything except main static. Do not maintain num_dfa_decls.
14724 Do not maintain state_alts fields of various structures.
14725 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14726 (add_arc): Remove state_alts argument. All callers updated.
14727 (output_reserved_units_table): Emit #ifdef here...
14728 (output_tables): ...not here. Don't generate state_alts tables.
14729 (expand_automata): Don't generate attributes.
14730 (write_automata): Don't generate state_alts functions.
14731 (main): New function.
14732 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14733 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14734 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14735 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14736 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14737 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14738 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14739 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14741 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14742 * genattrtab.h: Delete file.
14743 * Makefile.in (OBJS-common): Add insn-automata.o.
14744 (insn-automata.o): New rule.
14745 (simple_generated_c): Add insn-automata.c.
14746 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14747 (genprogmd): Add automata.
14748 (build/genattrtab): Needs no extra objects nor libraries.
14749 (build/genautomata): Needs build/vec.o and -lm.
14751 2006-01-22 Zack Weinberg <zackw@panix.com>
14753 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14754 (output_dfa_max_issue_rate, locked_states_num): Delete.
14755 (struct automaton): Add locked_states field.
14756 (output_dead_lock_vect): Save number of locked states in
14757 automaton->locked_states. If it is zero, don't print anything.
14758 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14759 (output_internal_dead_lock_func): Only test the dead_lock_vect
14760 for automata that have locked states.
14761 (output_statistics): Always print the number of locked states for
14762 each automaton. Calculate total number of locked states here.
14763 (write_automata): Don't call output_dfa_max_issue_rate.
14764 * genattrtab.c: Define length_unit_log as a const variable.
14765 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14766 max_insn_queue_index const.
14767 * final.c (length_unit_log): Declare const.
14768 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14770 2006-01-22 Zack Weinberg <zackw@panix.com>
14772 * genautomata.c: Include vec.h, not varray.h.
14773 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14774 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14775 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14776 VEC_* macros operating on appropriately typed vectors, or to
14777 malloced arrays when the size is known in advance. Const-ify
14778 many char* variables and function arguments. No functional changes.
14779 * Makefile.in (build/varray.o): Delete rule.
14780 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14781 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14783 2006-01-22 Zack Weinberg <zackw@panix.com>
14785 * gensupport.c: Define get_insn_name and record_insn_name here.
14786 (read_md_rtx): Call record_insn_name as appropriate.
14787 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14788 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14789 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14791 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14792 (BUILD_VARRAY): Delete.
14793 (genprognormal): Rename genprogmd. Fold in all programs from
14794 genprognoprint; also attrtab.
14795 (build/genattrtab): Just mention genautomata.o and varray.o.
14796 Reorganize a bit, add comments to make the categories clearer.
14798 2006-01-22 Zack Weinberg <zackw@panix.com>
14800 * genconditions.c (condition_table, add_condition): Delete.
14801 (write_conditions): Don't emit n_insn_conditions nor
14802 insn_elision_unavailable. Issue the gcc version #ifdef here,
14803 inside the table, with no #else clause ...
14804 (write_header): ...not here.
14805 (write_writer): New function.
14806 (main): Don't initialize condition_table. Use add_c_test.
14808 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14809 files on the command line.
14810 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14811 Return -1 if there is no entry in the table, don't abort.
14812 (add_c_test, traverse_c_tests): New functions.
14813 * gensupport.h (insn_elision_unavailable, insn_conditions)
14814 (n_insn_conditions): Delete declarations.
14815 (add_c_test, traverse_c_tests): Declare.
14816 * read-rtl.c: Include gensupport.h.
14817 (read_conditions): New function.
14818 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14819 (read_rtx_1): If we get EOF when we were looking for an initial
14820 open paren, return 0. Call read_conditions when appropriate.
14821 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14822 dummy-conditions.o. Eliminate references to insn-conditions.o,
14823 or change them to build/gencondmd.o, as appropriate. Remove
14824 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14825 from $(simple_generated_c). For all files remaining in those
14826 two lists, add insn-conditions.md to the generator command line.
14827 Give insn-constants.h/s-constants their own rules. Add rules
14828 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14829 (build/read-rtl.o): Depend on gensupport.h.
14830 (genprognormal): Include preds.
14831 (genprogearly): Rename genprognoprint; only difference is now that
14832 they don't link with $(BUILD_PRINT).
14833 * dummy-conditions.c: Delete.
14835 2006-01-22 Zack Weinberg <zackw@panix.com>
14837 * genextract.c: Don't include insn-config.h. Do include vec.h.
14838 Declare vectors of int, char, and locstr.
14839 (locstr): New typedef.
14840 (struct extraction): Make all array fields into bare pointers.
14841 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14842 (insn_code_number): Delete.
14843 (accum_extract): New struct.
14844 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14845 (gen_insn): Take insn_code_number as an argument. Use an
14846 accum_extract structure instead of loading data directly into
14847 a struct extraction, and having to know how big it might get.
14848 (walk_rtx): Operate entirely on an accum_extract structure.
14849 (print_path): Avoid unnecessary use of printf.
14850 (print_header): New function, split out of main. Distinguish
14851 more carefully between an unrecognizable insn and an insn that
14852 has the code number of a define_expand.
14853 (main): Pass insn_code_number to gen_insn. Call print_header
14854 only after parsing. Avoid unnecessary use of printf.
14855 * Makefile.in (build/vec.o): New rule.
14856 (build/genextract): Depend on build/vec.o.
14857 (build/genextract.o): Don't depend on insn-config.h.
14859 2006-01-22 Zack Weinberg <zackw@panix.com>
14861 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14862 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14863 practical. Eliminate per-generator-program link rules.
14865 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14867 PR middle-end/24437
14868 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14869 with a call expr to ...
14870 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14872 2006-01-23 Richard Guenther <rguenther@suse.de>
14874 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14875 before make_edge with conditional EDGE_TRUE_VALUE.
14877 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14878 Jan Hubicka <jh@suse.cz>
14879 Richard Guenther <rguenther@suse.de>
14881 PR rtl-optimization/25654
14882 * cfgexpand.c (aggregate_contains_union_type): New function.
14883 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14884 for structure variables that contain a union type.
14886 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14888 * gengtype.c (new_structure): Return the structure.
14889 (create_option): Add an extra "next" argument.
14890 (create_field): New function.
14891 (adjust_field_rtx_def): Use create_option and create_field.
14892 Remove a now-unnecessary call to find_structure.
14893 (adjust_field_tree_def): Likewise.
14894 (note_yacc_type): Remove an unnecessary call to find_structure.
14895 * gengtype.h (new_structure): Return the structure.
14896 (create_option): Add an extra argument.
14897 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14898 (option): Adjust calls to create_option.
14900 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14902 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14904 2006-01-22 Paul Brook <paul@codesourcery.com>
14905 Peter Barada <peter@the-baradas.com>
14907 * config/m68k/m68k.md: Add Coldfire FPU support.
14908 Define FP mode macro and associated attributes.
14909 Use it for float mode patterns.
14910 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14911 (LIBCALL_VALUE): Use m68k_libcall_value.
14912 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14913 (m68k_function_value): Ditto.
14914 (emit_move_sequence): Ditto.
14915 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14916 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14917 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14918 (MULTILIB_EXCEPTIONS): Ditto.
14919 * config/m68k/m68k.opt: Add mcfv4e.
14920 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14921 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14922 (m68k_output_function_prologue): Save ColdFire FPU registers.
14923 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14924 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14925 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14926 ColdFire FPU registers.
14927 (m68k_libcall_value, m68k_function_value): New functions.
14928 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14929 (LIBCALL_VALUE): Use m68k_libcall_value.
14930 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14931 (MASK_COLDFIRE): Add MASK_CFV4E.
14932 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14933 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14934 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14935 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14936 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14937 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14938 * doc/invoke.tex: Document -mcfv4e on m68k.
14940 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14942 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14945 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14948 * c-opts.c (c_common_handle_option): Don't include
14949 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14950 * doc/invoke.texi (C++ Dialect Options): Document that
14951 -Wnon-virtual-dtor is no longer included in -Wall.
14953 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14955 * gcov.c (print_version), gcov-dump.c (print_version),
14956 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14959 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14961 * df-scan.c (problem_SCAN): Added NULL reset function.
14962 (df_scan_reset_blocks): Added code to call reset block function
14963 (df_bb_refs_delete) Fixed comment.
14964 (df_insn_refs_delete): Made tolerant of deleting non existent info
14965 for dataflow problems that need to be reset.
14966 * df-core.c (df_set_blocks): Ditto.
14967 * df.h (struct df_problem): Added reset_fun.
14968 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14969 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14970 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14971 functions to clear out all references to def-use or use-def chains.
14973 2006-01-21 Ben Elliston <bje@au.ibm.com>
14975 * varasm.c (assemble_real): Initialise data array.
14977 2006-01-20 Paul Brook <paul@codesourcery.com>
14979 Merge from csl-arm-branch.
14980 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14981 * config/arm/arm.md (movdi): Force operands[1] to a register
14982 if we have a non-register source.
14983 (*arm_movdi, *movdf_soft_insn): Require that one of the
14984 operands be a register.
14985 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14986 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14988 2006-01-20 DJ Delorie <dj@redhat.com>
14990 * varasm.c (initializer_constant_valid_p): Allow pointers
14991 initialized from integer constants of lesser precision.
14992 (output_constant): Allow non-int-sized pointer modes to be
14993 initialized from integer constants.
14995 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14998 * cppdefault.h (struct default_include): Add multilib flag.
14999 * cppdefault.c (cpp_include_defaults): Set it.
15000 * c.opt (-imultilib): New option.
15001 * c-opts.c (imultilib): New.
15002 (c_common_handle_option): Handle -imultilib.
15003 (c_common_post_options): Likewise.
15004 * c-incpath.c (add_standard_paths, register_include_chains):
15006 * c-incpath.h (register_include_chains): Add extra parameter.
15007 * gcc.c (do_spec_1): Generate -imultilib option.
15008 (The Specs Language): Update %I description.
15009 (process_command): Update copyright notice.
15010 * doc/cppopts.texi (-imultilib): Document.
15011 * doc/invoke.texi (-imultilib): Include in option summary.
15012 (%I): Update specs documentation.
15014 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15016 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15018 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15020 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15023 2006-01-20 Richard Guenther <rguenther@suse.de>
15024 Steven Bosscher <stevenb.gcc@gmail.com>
15026 PR rtl-optimization/24626
15027 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15028 EDGE_TRUE_VALUE if in RTL mode.
15031 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15032 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15034 2006-01-20 Dirk Mueller <dmueller@suse.com>
15037 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15038 instead of a special NOP marker.
15039 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15040 NOP marker handling.
15041 * c-common.h (empty_body_warning): Add forward declaration.
15042 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15043 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15045 2006-01-20 Paul Brook <paul@codesourcery.com>
15047 * Makefile.in (lang_checks): Keep going if mkdir fails.
15049 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15051 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15052 be able to clean out basic block when not necessary.
15053 (df_scan_free): Fixed to properly delete information if df is
15054 unused before calling df_finish.
15055 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15056 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15058 (df_bb_refs_delete): New function.
15059 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15060 * df-core.c (df_set_blocks): Added code to properly clean out
15061 unused blocks if they are not part of the blocks to consider.
15062 Added additional null check.
15063 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15064 be able to clean out basic block when not necessary
15065 * df.h (df_free_bb_function): Ditto.
15066 (df_bb_refs_delete): New function.
15067 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15068 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15069 basic block parameter to be able to clean out basic block when not
15071 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15072 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15073 Fixed to properly delete information if df is unused before
15076 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15078 PR rtl-optimization/25799
15079 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15080 Corrected confluence operator to remove bits from op2 before oring
15081 with op1 rather than removing bits from op1.
15082 (df_ru_transfer_function): Corrected test on wrong bitmap which
15083 caused infinite loop. Both of these problems were introduced in
15084 the dataflow rewrite.
15086 2006-01-19 DJ Delorie <dj@redhat.com>
15088 * reload1.c (find_reload_regs): Note the details of reload
15089 failures in the dump file.
15090 (spill_failure): Likewise.
15092 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15094 * loop-iv.c: Include df.h and hashtab.h.
15095 (enum iv_grd_result): New enum.
15096 (DF_REF_IV, DF_REF_IV_SET): New macros.
15097 (struct biv_entry): New.
15098 (df, bivs): New global variables.
15099 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15100 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15102 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15103 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15104 analyzed_for_bivness_p, record_biv): New functions.
15105 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15106 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15107 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15109 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15111 (iv_number_of_iterations): Use new interface to iv analysis.
15112 * loop-unroll.c: Do not include varray.h.
15113 (analyze_iv_to_split_insn): Use new interface to iv
15115 * loop-unswitch.c (may_unswitch_on): Ditto.
15116 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15118 (df_bb_modify): Realloc tables to the new index.
15119 (df_find_use): New function.
15120 * df.h (df_find_use): Declare.
15121 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15123 * cfgloop.h (struct rtx_iv): Remove analysed field.
15124 (iv_get_reaching_def): Removed.
15125 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15126 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15127 (loop-iv.o): Add df.h and hashtab.h dependency.
15128 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15130 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15133 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15135 (__floatundisf, __floatundidf): Likewise.
15136 * libgcc2.h (IS_IBM_EXTENDED): Define.
15138 2006-01-19 DJ Delorie <dj@redhat.com>
15140 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15142 2006-01-19 Paul Brook <paul@codesourcery.com>
15144 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15145 as nothrow when unwinding tables are disabled.
15147 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15150 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15151 of bit-field" when in system header.
15153 2006-01-19 DJ Delorie <dj@redhat.com>
15155 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15156 the 16 bit shift limit of the m16c.
15158 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15161 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15162 * config/i386/i386.c (output_set_got): Output the label if we have one
15163 for the TARGET_DEEP_BRANCH_PREDICTION case.
15165 2006-01-19 Jan Hubicka <jh@suse.cz>
15166 H.J. Lu <hongjiu.lu@intel.com>
15167 Evandro Menezes <evandro.menezes@amd.com>
15169 * invoke.texi (generic): Document
15171 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15172 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15173 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15174 (x86_use_incdec, x86_pad_returns): New variables
15175 (TARGET_CPU_DEFAULT_generic): New constant
15176 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15177 (enum processor_type): Add generic32 and generic64.
15178 * i386.md (cpu attribute): Add generic32/generic64
15179 (movhi splitter): Behave sanely when both partial_reg_dependency and
15180 partial_reg_stall are set.
15181 (K8 splitters): Enable for generic as well.
15182 * predicates.md (incdec_operand): Use TARGET_INCDEC
15183 (aligned_operand): Avoid memory mismatch stalls.
15184 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15185 * ppro.md: Enable for generic32
15186 * i386.c (generic64_cost, generic32_cost): New.
15187 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15188 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15189 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15190 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15191 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15192 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15193 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15194 x86_accumulate_outgoing_args, x86_prologue_using_move,
15195 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15196 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15197 Enable for generic.
15198 (x86_use_incdec, x86_pad_returns): New.
15199 (override_options): Add generic32 and generic64, translate "generic"
15200 to generic32/generic64 and "i686" to "generic32", refuse
15201 "generic32"/"generic64" as arch target.
15202 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15203 (ix86_reorg): Honor PAD_RETURNS.
15205 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15207 * tree-pretty-print.c (dump_generic_node): Handle
15208 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15209 * cgraph.c (cgraph_expand_queue): Rename from
15210 cgraph_analyze_queue. Update all users.
15211 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15212 cgraph_expand_queue.
15213 (cgraph_expand_all_functions): Likewise.
15214 (cgraph_finalize_pending_functions): Remove. Update callers.
15216 * tree.h (OMP_DIRECTIVE_P): Define.
15217 (OMP_PARALLEL_FN): Define.
15218 (OMP_PARALLEL_DATA_ARG): Define.
15219 (OMP_SECTIONS_SECTIONS): Define.
15220 * tree-pass.h (pass_expand_omp): Declare.
15221 * omp-low.c (struct omp_region): Declare.
15222 (struct omp_context): Remove fields 'parallel_type',
15223 'parallel_start_ix' and 'parallel_start_additional_args'.
15225 (struct omp_for_data): Rename from struct expand_omp_for_data.
15226 (omp_regions): New static variable.
15227 (root_omp_region): New static variable.
15228 (find_omp_clause): Make static.
15229 (is_in_combined_parallel_ctx): Remove.
15230 (is_combined_parallel): New.
15231 (extract_omp_for_data): Move earlier in the file.
15232 (workshare_safe_to_combine_p): New.
15233 (get_ws_args_for): New.
15234 (determine_parallel_type): Move earlier in the file.
15235 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15237 (omp_copy_decl): Likewise.
15238 (create_omp_child_function): Likewise.
15239 (lookup_omp_region): New.
15240 (dump_omp_region): New.
15241 (debug_omp_region): New.
15242 (debug_all_omp_regions): New.
15243 (new_omp_region): New.
15244 (scan_omp_parallel): If parallel_nesting_level > 1, the
15245 directive is nested within another parallel directive.
15246 Set OMP_PARALLEL_FN.
15247 (scan_omp_for): Do not try to handle combined parallel+for
15249 Remove FIXME comment.
15250 (scan_omp_nested): Remove.
15251 (scan_omp_1): Do not call scan_omp_nested when
15252 parallel_nesting_level is > 1.
15253 Do not change the DECL_CONTEXT of local variables found.
15254 (lookup_decl_in_outer_ctx): New.
15255 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15256 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15257 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15258 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15259 If CTX is nested, lookup VAR in the outer context when
15260 building copy assignment.
15261 (lower_send_clauses): Rename from expand_send_clauses.
15262 If CTX is nested, lookup VAR in the outer context when
15263 building copy assignments.
15264 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15265 If CTX is nested, lookup VAR in the outer context when
15266 building copy assignments.
15267 (expand_parallel_call): Rename from build_parallel_call.
15268 Handle combined parallel+workshare cases.
15269 Re-implement to emit code into the CFG.
15271 (expand_omp_parallel): Re-implement to emit code into the CFG.
15272 Call move_sese_region_to_fn to outline the sub-graph
15273 containing the parallel region.
15274 (expand_omp_for_1): Remove.
15275 (expand_omp_for_generic): Re-implement to emit code into the
15277 (expand_omp_for_static_nochunk): Likewise.
15278 (expand_omp_for_static_chunk): Likewise.
15279 (expand_omp_for): Likewise.
15280 (expand_omp_sections): Likewise.
15281 (remove_exit_barriers): New.
15282 (expand_omp_synch): New.
15284 (build_omp_regions_1): New.
15285 (build_omp_regions): New.
15286 (execute_expand_omp): New.
15287 (gate_expand_omp): New.
15288 (pass_expand_omp): Define.
15289 (lower_omp_sections): Rename from expand_omp_sections.
15290 Set OMP_SECTIONS_SECTIONS.
15291 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15292 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15293 (lower_omp_single): Rename from expand_omp_simple.
15294 (lower_omp_master): Rename from expand_omp_master.
15295 (lower_omp_ordered): Rename from expand_omp_ordered.
15296 (lower_omp_critical): Rename from expand_omp_critical.
15297 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15298 (lower_omp_for): Re-implement.
15299 (lower_omp_parallel): Re-implement.
15300 (lower_regimplify): Rename from expand_regimplify.
15301 (lower_omp_1): Rename from expand_omp_1.
15302 If there are syntax errors in the program, replace every
15303 OpenMP directive with NOP.
15304 Call lower_omp_* instead of expand_omp_*.
15305 (lower_omp): Rename from expand_omp.
15307 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15308 * tree-gimple.h (enum omp_parallel_type): Remove.
15309 (gimple_boolify): Declare extern.
15310 (find_omp_clause, determine_parallel_type): Remove.
15312 * gimple-low.c (lower_omp_directive): New.
15313 (lower_stmt): Call it.
15314 (record_vars_into): Move from ...
15315 (record_vars): ... here.
15316 Call record_vars_into with current_function_decl.
15318 * gimplify.c (struct gimplify_ctx): Remove fields
15319 combined_pre_p and combined_ctxp. Update users.
15320 (get_formal_tmp_var): Add documentation.
15321 (gimple_boolify): Make extern.
15322 (gimplify_expr_in_ctx): Remove. Update callers.
15323 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15324 will always be a BIND_EXPR.
15325 (gimplify_expr): Handle OMP_RETURN_EXPR.
15326 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15327 (OMP_PARALLEL): Add 3 operands.
15328 (OMP_SECTIONS): Add 1 operand.
15329 (OMP_RETURN_EXPR): Define.
15331 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15332 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15333 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15334 creating a circular free list.
15335 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15337 * tree-flow.h (move_sese_region_to_fn): Declare.
15338 (record_vars_into): Declare.
15339 * tree-cfg.c (make_omp_sections_edges): New.
15340 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15341 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15342 OMP_SECTIONS and OMP_SECTION.
15343 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15344 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15345 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15346 (gather_blocks_in_sese_region): New.
15347 (struct move_stmt_d): Declare.
15348 (move_stmt_r): New.
15349 (move_block_to_fn): New.
15350 (move_sese_region_to_fn): New.
15352 * passes.c (init_optimization_passes): Schedule
15353 pass_expand_omp after pass_init_datastructures.
15355 * tree-ssa-operands.c (get_expr_operands): Handle
15356 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15357 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15359 2006-01-19 Jeff Law <law@redhat.com>
15361 * tree-vrp.c (extract_range_from_assert): Refine the result range
15362 if the variable referenced by the ASSERT_EXPR has a range and
15363 either the tentative result range or the previous range is a
15366 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15368 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15370 2006-01-19 Jan Hubicka <jh@suse.cz>
15372 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15374 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15376 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15377 (expand_compound_operation, expand_field_assignment): Fail if the
15378 bit lengths of an extract operation are out of range.
15379 (make_extraction): Compute wanted_inner_mode based on the position
15380 and length of the extraction. Make it extraction_mode for non-constant
15381 positions, and do not modify offset in that case. When generating a
15382 new MEM, use a mode that can hold the extraction while keeping correct
15383 alignment. Remove code that supported MEMs wrapped by USEs.
15384 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15386 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15388 * config/s390/s390.md ("Y", "y"): New mode attribute.
15389 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15390 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15391 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15392 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15393 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15394 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15395 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15396 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15397 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15398 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15399 "addsi3", "subsi3"): Insn patterns removed.
15400 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15401 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15402 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15403 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15404 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15405 "*sub<mode>3_cconly2"): New insn patterns.
15406 ("addsi3", "subsi3"): New expanders.
15408 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15410 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15411 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15412 existing STMT_VINFO_VECTYPE if available.
15413 (vect_mark_relevant): Add special handling for stmts that are
15414 marked as STMT_VINFO_IN_PATTERN_P.
15415 (vect_analyze_loop): Call vect_pattern_recog.
15416 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15417 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15419 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15420 (vect_recog_func_ptr): New function-pointer type.
15421 * tree-vect-patterns.c: New file.
15422 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15423 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15424 (vect_pattern_recog_1): New functions.
15425 (vect_pattern_recog_funcs): New array of function pointers.
15427 * tree-vectorizer.h (ternary_op): New enum value.
15428 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15429 declaration. Revised documentation. Removed redundant dump prints.
15430 Removed redundant argument. Added support for reduction patterns.
15431 (vectorizable_reduction): Added support for reduction patterns.
15432 (vect_transform_stmt): Added support for patterns.
15434 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15435 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15436 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15437 (expand_widen_pattern_expr): New function.
15438 (init_optabs): Initialize new optabs udot_prod_optab,
15440 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15441 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15442 (expand_widen_pattern_expr): New function declaration.
15443 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15445 * tree-inline.c (estimate_num_insns_1): Added cases for new
15446 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15447 * tree-pretty-print.c (dump_generic_node): Likewise.
15448 (op_prio): Likewise.
15449 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15450 * tree-ssa-operands.c (get_expr_operands): Added case for
15452 * tree-vect-patterns.c (widened_name_p): New function.
15453 (vect_recog_dot_prod_pattern): Added function implementation.
15454 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15455 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15456 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15457 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15459 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15460 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15461 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15462 (init_optabs): Initialize new optabs widen_ssum_optab,
15464 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15465 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15466 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15467 use instead of type of def.
15468 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15469 function implementation.
15470 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15471 widen_ssumv8hi): New.
15473 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15476 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15479 * c-decl.c (add_flexible_array_elts_to_size): New function.
15480 (finish_decl): Use it.
15482 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15484 * diagnostic.h: Include options.h.
15485 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15486 dependancies for diagnostic.h.
15487 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15489 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15491 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15492 (ssa_ro_call_cache_valid): Ditto.
15493 * tree-ssa-alias.c (sort_tags_by_id): New function.
15494 (init_transitive_clobber_worklist): Ditto.
15495 (add_to_worklist): Ditto.
15496 (mark_aliases_call_clobbered): Ditto.
15497 (compute_tag_properties): Ditto.
15498 (set_initial_properties): Ditto.
15499 (compute_call_clobbered): Ditto.
15500 (compute_may_aliases): Call compute_call_clobbered and grouping.
15501 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15502 (compute_flow_insensitive_aliasing): Grouping now happens in our
15504 (setup_pointers_and_addressables): Remove clobbering related code.
15505 (add_may_alias): Ditto.
15506 (replace_may_alias): Ditto.
15507 (get_nmt_for): Ditto.
15508 (create_global_var):
15509 (is_escape_site): Return an escape_type enumeration.
15510 * tree-flow-inline.h (is_call_clobbered): Global var does not
15511 imply call clobbered.
15512 (mark_call_clobbered): Take a reason for marking this. Remove
15513 marking of globalness, and cache invalidation.
15514 (clear_call_clobbered): Remove cache invalidation code.
15515 * tree-dfa.c (dump_variable): If details is on, dump the reason
15517 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15519 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15520 (struct var_ann_d): Ditto.
15521 (enum escape_type): New.
15522 (mark_call_clobbered): Adjust prototype.
15523 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15524 are never call clobbered.
15525 Record reasons for escaping.
15526 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15527 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15528 (ssa_ro_call_cache_valid): Ditto.
15529 (clobbered_v_may_defs): Ditto.
15530 (clobbered_vuses): Ditto.
15531 (ro_call_vuses): Ditto.
15532 (clobber_stats): New.
15533 (init_ssa_operands): Zero out clobber stats.
15534 (fini_ssa_operands): Print out clobber stats.
15535 (get_call_expr_operands): Pass callee fndecl to
15536 add_call_read_ops).
15537 (add_call_clobber_ops): Remove use of cache.
15538 Add use of PURE_CONST information.
15539 (add_call_read_ops): Remove use of cache.
15540 Add use of static not_read information.
15542 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15544 Introduce TLS descriptors for i386 and x86_64.
15545 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15546 (TARGET_ANY_GNU_TLS): New macro.
15547 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15548 (struct machine_function): Add tls_descriptor_call_expanded_p.
15549 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15550 (ix86_current_function_calls_tls_descriptor): Likewise.
15551 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15552 (override_options): Introduce gnu2 tls dialect.
15553 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15555 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15557 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15558 (ix86_init_machine_status): Initialize new field.
15559 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15560 (ix86_tls_module_base): New.
15561 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15562 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15563 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15564 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15565 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15566 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15567 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15568 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15569 * config/i386/predicates.md (tls_modbase_operand): New.
15570 (tp_or_register_operand): New.
15572 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15574 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15575 (look_for_address_of): Ditto.
15576 (ipa_init): Walk the function decls.
15577 (static_execute): Don't set readonly on FUNCTION_DECL's.
15579 2006-01-18 Roger Sayle <roger@eyesopen.com>
15581 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15582 for shifts where the source and destination registers are different.
15584 2006-01-18 Paul Brook <paul@codesourcery.com>
15586 Merge from csl-arm-branch.
15587 2005-03-14 Julian Brown <julian@codesourcery.com>
15588 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15589 (aeabi_llsl): Likewise.
15590 (ashrdi3): Likewise.
15591 (aeabi_lasr): Likewise.
15592 (lshrdi3): Likewise.
15593 (aeabi_llsr): Likewise.
15594 2005-03-10 Julian Brown <julian@codesourcery.com>
15595 * config.gcc: Disable shared libgcc for SymbianOS.
15596 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15598 2006-01-18 DJ Delorie <dj@redhat.com>
15600 * c-pragma.c (handle_pragma_diagnostic): New.
15601 (init_pragma): Register it.
15602 * doc/extend.texi: Document it.
15604 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15605 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15606 (diagnostic_context): Add classify_diagnostic[].
15607 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15608 as errors if they're overridden to DK_WARNING.
15609 (diagnostic_initialize): Initialize classify_diagnostic[].
15610 (diagnostic_set_kind_override): New.
15611 (diagnostic_report_diagnostic): Check for kind changes.
15612 * opts.c (common_handle_option): Take lang_mask. Update callers.
15613 Handle OPT_Werror_.
15614 * common.opt (Werror=): New.
15615 * doc/invoke.texi: Document -Werror=*
15617 2006-01-18 Jeff Law <law@redhat.com>
15619 * tree-vrp.c (test_for_singularity): Correct test for new
15620 min limit. Use operand_equal_p rather than pointer equality
15621 for testing if new min/max values are equal.
15623 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15624 using range information until after propagation and folding.
15626 2006-01-18 Richard Henderson <rth@redhat.com>
15627 Aldy Hernandez <aldyh@redhat.com>
15628 Jakub Jelinek <jakub@redhat.com>
15629 Diego Novillo <dnovillo@redhat.com>
15631 * omp-low.c: New file.
15632 * c-omp.c: New file.
15634 2006-01-18 Richard Henderson <rth@redhat.com>
15635 Jakub Jelinek <jakub@redhat.com>
15636 Diego Novillo <dnovillo@redhat.com>
15638 * doc/invoke.texi: Document -fopenmp.
15639 * tree-dump.h (debug_function): Declare.
15640 * hooks.c (hook_bool_tree_bool_false): New function.
15641 (hook_tree_tree_null): Remove.
15642 (hook_tree_tree_tree_null): New.
15643 * hooks.h: Update to match.
15644 * tree-pretty-print.c (debug_tree_chain): New.
15645 (print_generic_expr): Handle TDF_CHAIN.
15646 (dump_generic_node): Handle BLOCK.
15647 Do not abort with incomplete SWITCH_EXPRs.
15648 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15649 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15650 print space after directive name.
15651 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15652 Handle OMP_MASTER and OMP_ORDERED.
15653 Handle printing of OMP_BODY just in one place, goto
15654 dump_omp_body in the rest of OMP_* nodes that have
15656 Don't handle clause nodes here. Update omp statements to
15657 use dump_omp_clauses.
15658 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15659 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15660 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15661 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15662 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15663 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15664 Adjust output for GOMP_PARALLEL.
15665 (dump_omp_clauses): New.
15666 (print_declaration): Dump DECL_VALUE_EXPR.
15667 (op_symbol_1): Split out of op_symbol.
15668 (dumping_stmts): Remove. Update all users.
15669 * cgraph.c (cgraph_analyze_queue): New.
15670 (cgraph_add_new_function): New.
15671 * cgraph.h (cgraph_analyze_queue): Declare.
15672 (cgraph_add_new_function): Declare.
15673 (cgraph_lower_function): Remove.
15674 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15675 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15676 and TYPE_P nodes in its default clause.
15677 (empty_body_p): New.
15678 (tree_range_check_failed): New.
15679 (build5_stat): New.
15680 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15681 OMP_CLAUSE_REDUCTION_MERGE,
15682 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15683 OMP_CLAUSE_PRIVATE_DEBUG,
15684 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15685 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15686 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15687 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15688 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15689 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15690 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15691 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15692 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15693 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15694 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15695 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15696 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15697 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15698 (TREE_RANGE_CHECK): New.
15699 (empty_body_p): Declare.
15700 (enum omp_clause_default_kind): New.
15701 (build_string_literal): Declare.
15702 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15703 (build5_stat, build5): Declare.
15704 * tree-pass.h (TDF_CHAIN): Define.
15705 * tree-pass.h (PROP_gimple_lomp): Define.
15706 (pass_lower_omp): Declare.
15707 * diagnostic.h (debug_tree_chain): Declare.
15708 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15710 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15711 * builtins.c (build_string_literal): Make extern.
15712 * gcc.c (include_spec_function): New.
15713 (static_spec_functions): Add it.
15714 (main): Move load of libgomp.spec ...
15715 (LINK_COMMAND_SPEC): ... here.
15716 (link_gomp_spec): New.
15717 (static_specs): Include it.
15718 (LINK_COMMAND_SPEC): Add link_gomp.
15719 (GOMP_SELF_SPECS): New.
15720 (driver_self_specs): Include it.
15721 (switch_matches): Don't mark inline.
15722 (main): Load libgomp.spec.
15723 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15724 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15725 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15726 * tree-gimple.h (enum omp_parallel): Declare.
15727 (determine_parallel_type): Declare.
15728 (omp_firstprivatize_variable): Declare.
15729 (omp_reduction_init): Declare.
15730 (diagnose_omp_structured_block_errors): Declare.
15731 (struct walk_stmt_info): Add want_return_expr.
15732 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15733 (find_omp_clause): Declare.
15734 (insert_field_into_struct): Declare.
15735 (struct walk_stmt_info): Move from tree-nested.c
15736 (walk_stmts): Declare.
15737 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15739 * cgraphunit.c (cgraph_lower_function): Make static.
15740 (cgraph_finalize_pending_functions): New.
15741 (cgraph_finalize_function): Call it.
15742 (cgraph_finalize_compilation_unit): Likewise.
15743 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15744 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15745 (BT_FN_UINT_UINT): New.
15746 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15747 DEF_FUNCTION_TYPE_VAR_4): Document.
15748 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15749 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15750 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15751 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15752 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15753 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15754 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15755 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15756 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15757 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15758 into separate files.
15759 (DEF_GOMP_BUILTIN): New.
15760 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15761 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15762 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15763 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15764 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15765 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15766 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15767 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15768 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15769 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15770 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15771 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15772 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15773 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15774 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15775 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15776 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15777 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15778 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15779 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15780 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15781 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15782 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15783 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15784 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15785 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15786 * sync-builtins.def: New file, moved from builtins.def.
15787 * omp-builtins.def: New file, moved from builtins.def.
15788 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15789 * gimple-low.c (lower_function_body): Clear data.
15790 (lower_stmt): Do not handle COMPOUND_EXPR.
15791 Remove call to print_node_brief.
15792 * c-tree.h (c_finish_omp_clauses): New prototype.
15793 (C_DECL_THREADPRIVATE_P): Define.
15794 (lookup_name_no_remap, c_omp_remap_private): Remove
15795 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15796 (check_for_loop_decls): Update decl.
15797 (lookup_name_no_remap, c_omp_remap_private): Declare.
15798 (build_indirect_ref, build_modify_expr, pushdecl,
15799 pushdecl_top_level): Move to c-common.h.
15800 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15801 before the switch, but just in the 2 places that need it.
15802 * c-decl.c (diagnose_mismatched_decls): Do not check for
15803 mismatched thread-local attributes when OLDDECL is marked
15804 threadprivate and NEWDECL has no thread-local attributes.
15805 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15806 (c_gimple_diagnostics_recursively): Rename from
15807 c_warn_unused_result_recursively. Invoke
15808 diagnose_omp_structured_block_errors.
15809 (check_for_loop_decls): Return a singular decl found.
15810 * langhooks.c (lhd_omp_predetermined_sharing): Return
15811 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15812 (lhd_omp_firstprivatize_type_sizes): New.
15813 (lhd_omp_assignment): New.
15814 (lhd_omp_predetermined_sharing): New.
15815 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15816 (struct lang_hooks_for_types): Add
15817 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15818 omp_predetermined_sharing, omp_disregard_value_expr,
15819 omp_private_debug_clause, omp_clause_default_ctor,
15820 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15821 (c_finish_omp_clauses): New.
15822 (c_finish_bc_stmt): Diagnose break within omp for.
15823 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15824 (build_unary_op): Return error_mark after reporting
15826 (build_modify_expr): Likewise.
15827 * gimplify.c: Include optabs.h and pointer-set.h.
15828 (enum gimplify_omp_var_data): Declare.
15829 (struct gimplify_omp_ctx): Declare.
15830 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15832 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15833 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15834 (splay_tree_compare_decl_uid): New.
15835 (new_omp_context): New.
15836 (delete_omp_context): New.
15837 (gimple_add_tmp_var): Call omp_add_variable.
15838 (gimplify_bind_expr): Likewise.
15839 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15840 true, disregard DECL_VALUE_EXPR on the decl if any.
15841 (gimplify_expr_in_ctx): New.
15842 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15843 omp_add_variable, omp_notice_variable, omp_is_private
15844 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15845 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15846 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15847 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15848 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15849 gimplify_omp_atomic): New.
15850 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15851 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15852 OMP_CRITICAL and OMP_ATOMIC.
15853 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15854 * c-pragma.h (enum pragma_kind): Add
15855 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15856 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15857 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15858 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15859 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15860 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15861 PRAGMA_OMP_THREADPRIVATE.
15862 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15863 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15864 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15865 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15866 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15867 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15868 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15869 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15870 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15871 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15872 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15873 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15874 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15876 (struct nesting_info): Add field_map,
15877 suppress_expansion, debug_var_chain.
15878 (create_nesting_tree): Initialize them.
15879 (lookup_field_for_decl): Use field_map.
15880 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15881 (convert_local_omp_clauses): New.
15882 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15883 (walk_body): Split out of walk_function.
15884 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15885 (convert_nonlocal_reference): Handle omp statements.
15886 (convert_local_reference): Likewise.
15887 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15888 (unnest_nesting_tree): New.
15889 (lower_nested_functions): Call it.
15890 (insert_field_into_struct): Make extern.
15891 (struct walk_stmt_info): Move to tree-gimple.h.
15892 (walk_stmts): Make extern.
15893 * omp-builtins.def: New file.
15894 * tree-iterator.c (expr_only): Clarify comment.
15895 * c-common.h (pushdecl_top_level, pushdecl,
15896 build_modify_expr, build_indirect_ref,
15897 c_finish_omp_master, c_finish_omp_critical,
15898 c_finish_omp_ordered, c_finish_omp_barrier,
15899 c_finish_omp_atomic, c_finish_omp_flush,
15900 c_finish_omp_for, c_split_parallel_clauses,
15901 omp_clause_default_kind, c_omp_sharing_predetermined,
15902 c_omp_remap_decl): Declare.
15903 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15904 (OBJS-common): Add omp-low.o.
15905 (c-omp.o, omp-low.o): Add.
15906 (gimplify.o): Add dependency on $(OPTABS_H).
15907 (GTFILES): Add omp-low.c.
15908 (gt-stringpool.h): Add.
15909 * tree-cfg.c (set_bb_for_stmt): Do not update the
15910 block-to-labels map if we are currently expanding to RTL.
15911 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15913 Handle IDENTIFIER_NODE.
15914 (tree_verify_flow_info): Do not ICE when emitting error
15915 messages about invalid labels.
15916 (dump_function_to_file): Reset CFUN before emitting the body
15918 (debug_function): New.
15919 * passes.c (init_optimization_passes): Schedule
15921 * langhooks-def.h (lhd_omp_predetermined_sharing,
15922 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15924 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15925 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15926 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15927 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15928 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15929 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15930 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15931 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15932 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15933 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15934 (LANG_HOOK_DECLS): Use them.
15936 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15937 Richard Henderson <rth@redhat.com>
15938 Jakub Jelinek <jakub@redhat.com>
15939 Diego Novillo <dnovillo@redhat.com>
15941 * c-parser.c (pragma_omp_clause): Define.
15942 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15943 (c_parser_compound_statement): Likewise.
15944 (c_parser_statement): Likewise.
15945 (c_parser_pragma): Handle omp pragmas.
15946 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15947 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15948 (c_parser_omp_clause_name, check_no_duplicate_clause,
15949 c_parser_omp_variable_list,
15950 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15951 c_parser_omp_clause_copyprivate,
15952 c_parser_omp_clause_default,
15953 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15954 c_parser_omp_clause_lastprivate,
15955 c_parser_omp_clause_nowait,
15956 c_parser_omp_clause_num_threads,
15957 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15958 c_parser_omp_clause_reduction,
15959 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15960 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15961 c_parser_omp_atomic, c_parser_omp_barrier,
15962 c_parser_omp_critical, c_parser_omp_flush,
15963 c_parser_omp_for_loop, c_parser_omp_for,
15964 c_parser_omp_master, c_parser_omp_ordered,
15965 c_parser_omp_sections_scope, c_parser_omp_sections,
15966 c_parser_omp_parallel, c_parser_omp_single,
15967 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15968 * c-pragma.c (init_pragma): Do omp pragma registration here.
15969 * c.opt (fopenmp): New flag.
15971 2006-01-18 Eric Christopher <echristo@apple.com>
15973 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15974 * config/darwin.h (GOMP_SELF_SPECS): Define.
15976 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15978 * rtl.h: Remove the prototype for reg_alloc.
15980 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15983 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15984 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15985 sjlj and dwarf2 exception handling.
15986 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15987 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15988 * pa/pa.c (function_value): Treat complex and vector types as
15990 (function_arg): Likewise. Only pass scalar floats in the floating
15991 point argument registers.
15992 * pa/t-slibgcc-dwarf-ver: New file.
15993 * pa/t-slibgcc-sjlj-ver: New file.
15994 * pa/t-slibgcc-elf-ver: Delete file.
15996 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15998 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15999 unlikely_test_section_p test.
16001 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16003 * mode-switching.c (optimize_mode_switching): Make it static.
16004 * basic-block.h: Remove the prototype for
16005 optimize_mode_switching.
16007 * modulo-sched.c (sms_schedule): Make it static.
16008 * rtl.h: Remove the prototype for sms_schedule.
16010 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16011 * rtl.h: Remove the prototype for gcse_after_reload_main.
16013 * reg-stack.c (reg_to_stack): Make it static.
16014 * rtl.h: Remove the prototype for reg_to_stack.
16016 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16018 * rtl.h: Remove the prototypes for regrename_optimize and
16019 copyprop_hardreg_forward.
16021 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16023 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16024 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16025 Test against the appropriate null constant for the mode.
16026 If 'fixup_overlap' is true, swap the operands if they overlap.
16027 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16028 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16029 alpha_split_tmode_pair and adjust for above change.
16030 * config/alpha/alpha.md (movtf_internal): Adjust call to
16031 alpha_split_tfmode_pair and rely on it to swap the operands.
16032 (movti_internal): New insn and post-reload splitter.
16033 (movti): New expander.
16035 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16037 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16040 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16042 * rtlanal.c (global_reg_mentioned_p_1,
16043 global_reg_mentioned_p): Remove.
16044 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16046 * flow.c (initialize_uninitialized_subregs): Make it static.
16047 * rtl.h: Remove the prototype for
16048 initialize_uninitialized_subregs.
16050 * function.c (instantiate_virtual_regs): Make it static.
16051 * function.h: Remove the prototype for
16052 instantiate_virtual_regs.
16054 * regmove.c (regmove_optimize, combine_stack_adjustments):
16056 * rtl.h: Remove the prototypes for regmove_optimize and
16057 combine_stack_adjustments.
16059 2006-01-17 Roger Sayle <roger@eyesopen.com>
16061 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16062 (size_cost): Encode costs in bytes so that a reg-reg addition is
16063 equivalent to COSTS_N_INSNS(1).
16064 (override_options): Use the size_cost.branch_cost as the default
16065 ix86_branch_cost when optimizing for size.
16067 2006-01-18 Ben Elliston <bje@au.ibm.com>
16069 * Makefile.in (D32PBIT_FUNCS): New.
16070 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16071 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16072 D64PBIT_FUNCS and D128PBIT_FUNCS.
16073 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16074 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16076 (decnumber_dep): Define.
16077 * doc/libgcc.texi (Decimal float library routines): New node.
16078 * config/dfp-bit.h, config/dfp-bit.c: New files.
16080 2006-01-18 Ben Elliston <bje@au.ibm.com>
16082 * expr.c (emit_move_change_mode): Always adjust addresses, not
16083 just during reload. Copy replacements only during reload.
16084 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16085 emit_move_via_integer.
16087 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16089 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16090 instead of $(srcdir) and ${srcdir}.
16092 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16095 PR middle-end/11135
16096 * arm.h (struct machine_function): Add pic_reg.
16097 * arm.c (arm_pic_register): Make unsigned.
16098 (arm_override_options): Only set arm_pic_register if
16099 TARGET_SINGLE_PIC_BASE.
16100 (use_return_insn): Only test for a pic register if it is fixed.
16101 (arm_compute_save_reg0_reg12_mask): Likewise.
16102 (thumb_compute_save_reg_mask): Likewise.
16103 (legitimate_pic_operand): Factor out some known invariants.
16104 (legitimize_pic_address): If we don't have a fixed pic register,
16105 then set up a pseudo in the function entry sequence. Handle the
16106 pic base being in a pseudo.
16107 (arm_load_pic_register): Handle the pic register being in a pseudo.
16108 (arm_expand_prologue): Only set up the pic register if it is fixed.
16109 (thumb_expand_prologue): Likewise.
16110 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16111 (pic_load_addr_based_insn): Likewise.
16112 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16115 2006-01-18 Ben Elliston <bje@au.ibm.com>
16117 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16118 decimal float modes for all floating point registers.
16120 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16121 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16123 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16126 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16127 even when the pointer is not NULL.
16129 2006-01-16 Ian Lance Taylor <ian@airs.com>
16131 * common.opt (ftoplevel-reorder): New option.
16132 * cgraph.c (cgraph_asm_nodes): New global variable.
16133 (cgraph_asm_last_node): New static variable.
16134 (cgraph_order): New global variable.
16135 (cgraph_create_node): Set new order field.
16136 (cgraph_varpool_node): Likewise.
16137 (decide_is_variable_needed): Return true if not
16138 flag_toplevel_reorder.
16139 (cgraph_add_asm_node): New function.
16140 * cgraph.h (struct cgraph_node): Add order field.
16141 (struct cgraph_varpool_node): Add order field.
16142 (struct cgraph_asm_node): Define.
16143 (cgraph_asm_nodes, cgraph_order): Declare.
16144 (cgraph_add_asm_node): Declare.
16145 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16147 (cgraph_varpool_assemble_pending_decls): Call it.
16148 (cgraph_output_pending_asms): New static function.
16149 (cgraph_finalize_compilation_unit): Call it.
16150 (struct cgraph_order_sort): Define.
16151 (cgraph_output_in_order): New static function.
16152 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16153 !flag_toplevel_reorder case.
16154 * c-parser.c: Include "cgraph.h".
16155 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16157 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16158 than -fno-unit-at-a-time.
16159 * doc/invoke.texi (Option Summary): Mention
16160 -fno-toplevel-reorder.
16161 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16162 -funit-at-a-time documentation.
16164 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16165 Kazu Hirata <kazu@codesourcery.com>
16167 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16169 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16171 * Makefile.in (FUNCTION_H): New. Use it instead of
16172 function.h throughout the file.
16173 * function.h: Include tree.h.
16175 2006-01-17 Ben Elliston <bje@au.ibm.com>
16177 * recog.c: Separate some functions with whitespace.
16179 2006-01-16 Richard Henderson <rth@redhat.com>
16181 Merge from gomp branch:
16182 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16183 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16184 and rename from struct inline_data. Rename callee* to dst*;
16185 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16186 transform_new_cfg, transform_return_to_modify, and
16187 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16189 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16190 (copy_decl_for_dup): Remove.
16191 * tree-inline.c (struct inline_data): Move to header.
16192 (insert_decl_map): Export.
16193 (remap_decl): Update for member name changes. Use copy_decl hook.
16194 Allow for replacement to be a non-decl. Remove dead code.
16195 (remap_type_1): Check for existing mapping.
16196 (remap_type): Export.
16197 (remap_decls): Update for member name changes.
16198 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16199 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16200 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16201 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16202 (tree_function_versioning, build_duplicate_type): Likewise.
16203 (copy_body_r): Likewise. Export.
16204 (copy_decl_for_dup): Split into ...
16205 (copy_decl_for_dup_finish, copy_decl_to_var,
16206 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16207 (replace_ref_tree, inlining_p): Remove.
16209 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16211 * ifcvt.c (if_convert): Make it static.
16212 * rtl.h: Remove the prototype for if_convert.
16214 * local-alloc.c (local_alloc): Make it static.
16215 * rtl.h: Remove the prototype for local_alloc.
16217 * loop.c (loop_optimize): Make it static.
16218 * cfgloop.h: Remove the prototype for loop_optimize.
16221 2006-01-16 DJ Delorie <dj@redhat.com>
16223 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16226 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16228 * pa.md: Disparage copies between general and floating-point registers
16229 in 32-bit move patterns.
16231 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16234 * Makefile.in (check-%): Depend on site.exp instead of
16235 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16238 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16240 * global.c (global_alloc): Make it static.
16241 * rtl.h: Remove the prototype for global_alloc.
16243 2006-01-16 Richard Guenther <rguenther@suse.de>
16245 * tree-ssa-alias.c (struct used_part): Add write_only field.
16246 (get_or_create_used_part_for): Initialize it to true.
16247 (create_overlap_variables_for): Don't create structure variables
16248 for structures that only are written to.
16249 (find_used_portions): Handle MODIFY_EXPR to track whether a
16250 structure is only written to.
16252 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16254 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16256 * basic-block.h: Remove the prototype for
16257 partition_hot_cold_basic_blocks.
16259 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16261 * cppspec.c (lang_specific_spec_functions): Remove.
16262 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16263 * gcc.h (lang_specific_spec_functions): Remove.
16264 * gccspec.c (lang_specific_spec_functions): Remove.
16266 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16268 * combine.c (record_value_for_reg): Invalidate registers
16270 (record_dead_and_set_regs_1): Likewise, by passing them to
16271 record_value_for_reg.
16272 (record_dead_and_set_regs): Invalidate stores made by a
16273 call. We do not combine across a call, but we still
16274 relied on equivalences.
16276 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16278 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16279 vrp_int_const_binop returning non-constant nodes.
16281 2006-01-16 Paul Brook <paul@codesourcery.com>
16283 * config/m68k/m68k.c (output_move_const_into_data_reg):
16284 Output correct mnemonic for mvz and mvs.
16286 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16288 * rtl-factoring.c: Add sequence abstraction algorithm.
16289 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16290 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16292 (block_has_preserve_label): New function.
16293 * common.opt: Register new pass.
16294 * Makefile.in: Ditto.
16296 * timevar.def: Ditto.
16297 * tree-pass.h: Ditto.
16298 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16299 * rtl.h (make_jump_insn_raw): Add forward decl.
16300 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16302 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16303 Roger Sayle <roger@eyesopen.com>
16305 * fold-const.c (fold_minmax): New static function.
16306 (fold_binary) <MIN_EXPR>: Call it.
16307 <MAX_EXPR>: Likewise.
16308 * stor-layout.c (place_field): Use DECL_SIZE consistently
16309 in the computation of the new record size.
16311 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16313 * cse.c (cse_condition_code_reg): Make it static.
16314 * rtl.h: Remove the prototype for cse_condition_code_reg.
16316 * combine.c (combine_instructions): Make it static.
16317 * rtl.h: Remove the prototype for combine_instructions.
16319 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16322 * tree.c (get_file_function_name_long): Concatenate the first global
16323 object name with a string derived from the input filename of the object
16326 2006-01-16 Ben Elliston <bje@au.ibm.com>
16328 * config/i386/winnt-stubs.c: Update FSF address.
16329 * config/xtensa/ieee754-df.S: Ditto.
16330 * config/xtensa/ieee754-sf.S: Ditto.
16332 2006-01-14 Ian Lance Taylor <ian@airs.com>
16334 * ifcvt.c (noce_init_if_info): New static function, broken out of
16335 noce_process_if_block.
16336 (noce_process_if_block): Call noce_init_if_info.
16337 (check_cond_move_block): New static function.
16338 (cond_move_process_if_block): New static function.
16339 (process_if_block): Call cond_move_process_if_block.
16341 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16343 * cselib.c (hash_table): Rename to cselib_hash_table.
16344 (cselib_clear_table, discard_useless_values,
16345 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16346 cselib_init, cselib_finish): Adjust uses of hash_table.
16348 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16350 PR tree-optimization/25485
16351 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16352 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16353 is known to be false and true, respectively.
16355 2006-01-14 Richard Guenther <rguenther@suse.de>
16357 PR tree-optimization/22548
16358 PR tree-optimization/22555
16359 PR tree-optimization/22501
16360 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16361 * params.def (salias-max-array-elements): New parameter.
16362 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16363 * doc/invoke.texi (salias-max-array-elements): Document.
16364 * tree-flow-inline.h (var_can_have_subvars): We also handle
16366 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16368 * tree-ssa-structalias.c (params.h): Include.
16369 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16370 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16371 (get_constraint_for): For ADDR_EXPR operating on something
16372 containing an ARRAY_REF, add all subvars to the solution.
16373 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16374 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16375 for creating MUST_DEFs.
16376 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16378 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16380 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16382 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16383 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16384 number_of_iterations_le): New functions.
16385 (number_of_iterations_special): Removed.
16386 (number_of_iterations_exit): Do not use number_of_iterations_special.
16387 * tree.c (unsigned_type_for): Always return integer type.
16389 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16390 Richard Guenther <rguenther@suse.de>
16392 PR rtl-optimization/24257
16393 * gcse.c (find_moveable_store): Only consider a store movable
16394 when the SET_SRC of the insn can be assigned to a register.
16396 2006-01-14 Ian Lance Taylor <ian@airs.com>
16398 * tree.c (tree_not_class_check_failed): New function.
16399 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16400 (tree_not_class_check_failed): Declare.
16402 2006-01-13 Ian Lance Taylor <ian@airs.com>
16404 * reload1.c (do_output_reload): Add assertion rejecting a
16407 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16409 * combine.c (struct reg_stat): Add new fields truncation_label and
16411 (record_value_for_reg): Reset truncated_to_mode.
16412 (record_truncated_value): New function.
16413 (check_promoted_subreg): Call it. Rename to check_conversions.
16414 (combine_instructions): Rename check_promoted_subreg to
16416 (reg_truncated_to_mode): New function.
16417 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16418 (gen_lowpart_or_truncate): New function.
16419 (force_to_mode): Use it instead of gen_lowpart.
16421 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16423 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16424 VAR is a tag, not its type tag.
16426 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16428 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16429 alternatives to match style of other entries.
16430 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16432 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16434 PR tree-optimization/25771
16435 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16438 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16441 * tree-inline.c (declare_return_variable): If the return variable
16442 was marked as a non gimple complex, set the return slot variable
16443 to be a non gimple comple variable.
16445 2006-01-13 Richard Guenther <rguenther@suse.de>
16447 * builtins.c (expand_builtin_sincos): New function.
16448 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16450 (expand_builtin): Expand sincos using expand_builtin_sincos.
16452 2006-01-12 DJ Delorie <dj@redhat.com>
16454 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16455 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16456 so that constant shifts can be split.
16457 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16458 (m32c_valid_pointer_mode): Make static.
16459 (shift_gen_func_for): New.
16460 (m32c_prepare_shift): Use it. Split large const shifts into
16462 * config/m32c/predicates.md (shiftcount_operand): Allow more
16464 (longshiftcount_operand): New.
16465 * doc/md.texi (Machine Constraints): Document In6.
16467 2006-01-13 Ben Elliston <bje@au.ibm.com>
16469 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16470 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16473 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16475 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16476 to try to avoid clobbering pieces of structures when we know
16477 something about the whole structure.
16478 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16480 2006-01-13 Ben Elliston <bje@au.ibm.com>
16482 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16483 return in memory, as this is no limitation is no longer present.
16485 2006-01-12 DJ Delorie <dj@redhat.com>
16487 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16488 mova with fb, and for fb+0 -> An.
16490 * config/m32c/mov.md (peephole2): Fix enabling logic.
16492 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16493 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16494 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16495 FINI_ARRAY_SECTION_ASM_OP): Define.
16497 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16499 (m32c_legitimize_reload_address): New logic to reload FB to An.
16500 (m32c_output_reg_push): Add newline.
16501 (m32c_output_reg_pop): Likewise.
16503 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16505 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16507 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16509 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16511 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16513 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16516 2006-01-11 Ben Elliston <bje@au.ibm.com>
16518 * rtlanal.c (find_reg_note): Assert insn is not null.
16520 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16522 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16525 2006-01-11 Jeff Law <law@redhat.com>
16527 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16529 (mark_threaded_blocks, register_jump_thread): New functions.
16530 (thread_through_all_blocks): Remove unwanted argument. No
16531 longer rely on e->aux to communicate thread target info.
16532 Call mark_threaded_blocks. Release the threaded_blocks
16533 bitmap and threaded_edges vector when complete.
16534 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16535 (threaded_blocks): Remove.
16536 (tree_ssa_dominator_optimize): Remove initialization and
16537 finalization of threaded_blocks. Simplify call to
16538 thread_through_all_blocks.
16539 (thread_across_edge): Call register_jump_thread rather than
16540 storing thread information into e->aux.
16541 (free_all_edge_infos): Simplify now that e->aux is no longer
16542 used to communicate with thread_through_all_blocks.
16543 * tree-flow.h (thread_through_all_blocks): Update prototype.
16544 (register_jump_thread): Prototype.
16546 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16548 * df-core.c (df_compact_blocks, df_bb_replace): Use
16549 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16551 2006-01-11 Richard Guenther <rguenther@suse.de>
16553 PR tree-optimization/25734
16554 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16555 stop propagation after successful propagation to the LHS.
16557 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16559 * basic-block.h (control_flow_graph): Change the type of
16560 x_basic_block_info to VEC(basic_block,gc) *.
16561 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16563 (SET_BASIC_BLOCK): New.
16564 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16565 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16566 * cfgbuild.c (find_basic_blocks): Likewise.
16567 * cfglayout.c (fixup_reorder_chain): Likewise.
16568 * cfgrtl.c (create_basic_block_structure,
16569 rtl_create_basic_block): Likewise.
16570 * ifcvt.c (find_if_case_1): Likewise.
16571 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16574 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16576 * Makefile.in: Removed rotted odf.c entry.
16578 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16581 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16582 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16583 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16584 output pattern modifier, not %e.
16585 * config/cris/cris.c (cris_op_str): Update comment about pattern
16587 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16588 before falling through into...
16589 <case 'E'>: Redefined from old 'e' case.
16591 2006-01-11 Jan Hubicka <jh@suse.cz>
16594 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16596 2006-01-11 Jan Hubicka <jh@suse.cz>
16598 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16599 * i386.c (x86_decompose_lea): Kill.
16600 (ix86_rtx_costs): Kill.
16602 2006-01-11 Jan Hubicka <jh@suse.cz>
16604 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16605 * cgraph.h (cgraph_node): Add inline_decl.
16606 (cgraph_insert_node_to_hashtable): Declare.
16607 (save_inline_function_body): Declare.
16608 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16610 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16611 (cgraph_function_versioning): Update call of tree_function_versioning.
16612 (save_inline_function_body): New function.
16613 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16614 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16615 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16616 (cgraph_default_inline_p): Likewise.
16617 (cgraph_decide_inlining_incrementally): Likewise.
16618 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16619 (copy_bb): Kill saving; do updating of clones.
16620 (copy_cfg_body): Kill saving.
16621 (initialize_inlined-parameters): Likewise.
16622 (expand_call_inline): Likewise.
16624 (tree_function_versioning): New parameter "update_clones".
16625 (inlining_p): Kill saving.
16626 * tree-inline.h (tree_function_versioning): Update prototype.
16627 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16630 2006-01-11 Ian Lance Taylor <ian@airs.com>
16632 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16633 Allow undoing set of machine mode.
16634 (do_SUBST): Use enums instead of is_int.
16635 (do_SUBST_MODE): New function.
16636 (SUBST_MODE): New macro.
16637 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16638 reg and trying to replace reg_regno_rtx with a new register.
16639 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16640 (simplify_set): Use SUBST_MODE.
16641 (distribute_notes): Remove code that tried to update reg notes
16642 for regno_reg_rtx changes.
16644 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16646 PR tree-optimization/23109
16647 PR tree-optimization/23948
16648 PR tree-optimization/24123
16650 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16651 * tree-cfg.c (single_noncomplex_succ): New.
16652 * tree-flow.h (single_noncomplex_succ): Declare it.
16653 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16654 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16655 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16656 insert_bb, register_division_in, insert_reciprocals,
16657 replace_reciprocal, free_bb): New.
16658 (execute_cse_reciprocals_1): Rewritten.
16659 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16660 Do not commit any edge insertion. Always compute dominators and
16661 create the allocation pool.
16662 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16663 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16664 * targhooks.c (default_min_divistions_for_recip_mul): New.
16665 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16666 * passes.c (init_optimization_passes): Run recip after tree loop
16668 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16670 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16671 Kenneth Zadeck <zadeck@naturalbridge.com>
16673 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16674 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16675 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16676 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16677 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16678 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16679 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16680 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16681 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16682 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16683 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16684 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16685 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16686 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16687 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16688 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16689 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16690 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16691 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16692 DF_SCAN_POST_ALLOC): New macros.
16693 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16694 df_free_bb_function, df_local_compute_function, df_init_function,
16695 df_dataflow_function, df_confluence_function_0,
16696 df_confluence_function_n, df_transfer_function,
16697 df_finalizer_function, df_free_function, df_dump_problem_function,
16698 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16699 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16700 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16701 df_urec_bb_info, ) New types.
16702 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16704 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16705 df_analyze_simple_change_some_blocks,
16706 df_analyze_simple_change_one_block, df_compact_blocks,
16707 df_bb_replace, df_bb_regno_last_use_find,
16708 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16709 df_insn_regno_def_p, df_find_def, df_find_use,
16710 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16711 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16712 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16713 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16714 debug_df_chain, df_get_dependent_problem, df_chain_create,
16715 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16716 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16717 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16718 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16719 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16720 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16721 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16722 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16723 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16724 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16725 df_reorganize_refs, df_set_state, df_hard_reg_init,
16726 df_read_modify_subreg_p) New public functions.
16727 * df-core.c: The core dataflow solver and glue routines for rtl
16729 (df_init, df_add_problem, df_set_blocks, df_finish,
16730 df_hybrid_search_forward, df_hybrid_search_backward,
16731 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16732 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16733 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16734 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16735 df_reg_defined, df_find_use, df_reg_used, df_dump,
16736 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16737 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16738 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16739 debug_df_useno, reset_df_after_reload): New functions.
16740 * df-scan.c: The scanning fuctions, once in df.c, completely
16741 rewritten so that they now fully model the functionality of
16742 register usage at the backend.
16743 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16744 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16745 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16746 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16747 df_get_artificial_defs, df_get_artificial_uses,
16748 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16749 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16750 df_refs_delete, df_reorganize_refs, df_set_state,
16751 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16752 df_def_record_1, df_defs_record, df_uses_record,
16753 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16754 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16755 df_record_exit_block_uses, df_hard_reg_init): New functions.
16757 * df-problems.c: Seven concrete dataflow problems that use the
16758 scanning in df-scan.c and are solved by the engine in df-core.c.
16759 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16760 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16761 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16762 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16763 df_ru_free_bb_info, df_ru_alloc,
16764 df_ru_bb_local_compute_process_def,
16765 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16766 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16767 df_ru_transfer_function, df_ru_free, df_ru_dump,
16768 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16769 df_rd_free_bb_info, df_rd_alloc,
16770 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16771 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16772 df_rd_transfer_function, df_rd_free, df_rd_dump,
16773 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16774 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16775 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16776 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16777 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16778 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16779 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16780 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16781 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16782 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16783 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16784 df_urec_mark_reg_use_for_earlyclobber,
16785 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16786 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16787 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16788 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16789 df_chain_create_bb_process_use, df_chain_create_bb,
16790 df_chain_finalize, df_chain_free, df_chains_dump,
16791 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16792 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16793 df_reg_lifetime): New functions.
16794 * df.c: Deleted file.
16795 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16796 consistent with new df api.
16797 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16798 rest_of_handle_sms): Ditto.
16799 * web.c (unionfind_union, union_defs, entry_register, web_main):
16801 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16802 invariant_expr_equal_p, find_defs, check_dependencies,
16803 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16804 free_inv_motion_data, move_loop_invariants): Ditto.
16805 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16806 Update dependencies.
16807 (odf.c): Added defective entry that was deleted later in day.
16808 * sched-deps.c (sched_analyze_1): Ditto.
16810 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16812 * tree-ssa-operands.c (get_expr_operands): Record addressable
16813 variables directly. Do not call add_stmt_operands for CONST_DECLs
16815 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16816 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16818 2006-01-11 Ben Elliston <bje@au.ibm.com>
16820 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16821 function returns true in the positive case.
16823 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16826 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16827 for SI, DI, SF and DF modes. Add alternatives to copy between
16828 general and floating point registers to the 32-bit patterns.
16829 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16830 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16831 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16832 generating 64-bit code.
16833 * config/pa/pa.c (output_move_double): Handle copies between general
16834 and floating registers.
16836 2006-01-10 Stuart Hastings <stuart@apple.com>
16838 * config/i386/i386.md (set_got): Update.
16839 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16840 (builtin_setjmp_receiver): Mach-O support.
16841 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16842 (GOT_SYMBOL_NAME): Define.
16843 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16844 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16845 * config/i386/i386.c (override_options): Revise for Darwin.
16846 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16847 support. (darwin_x86_file_end): New. (output_set_got): Add label
16848 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16849 * config/i386/i386-protos.h (output_set_got): Likewise.
16850 * config/darwin.c (machopic_legitimize_pic_address): Update
16853 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16855 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16856 when MODE isn't BLKmode.
16858 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16860 PR rtl-optimization/25367
16861 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16863 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16866 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16867 for a negative bound.
16869 2006-01-10 Richard Guenther <rguenther@suse.de>
16871 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16872 Never override with anything constraint.
16874 2006-01-10 Jan Beulich <jbeulich@novell.com>
16876 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16877 256 bits when optimize_size.
16879 2006-01-10 Jan Beulich <jbeulich@novell.com>
16881 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16883 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16884 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16887 2006-01-10 Ben Elliston <bje@au.ibm.com>
16889 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16891 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16892 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16893 (USE_FP_FOR_ARG): Reject decimal float modes.
16894 (function_arg_advance): Likewise.
16895 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16896 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16897 point types in AltiVec vectors.
16898 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16899 (rs6000_libcall_value): Likewise.
16901 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16903 * config/xtensa/ieee754-df.S: New file.
16904 * config/xtensa/ieee754-sf.S: New file.
16905 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16906 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16907 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16909 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16911 * config/sh/predicates.md (binary_float_operator,
16912 binary_logical_operator, commutative_float_operator,
16913 equality_comparison_operator, greater_comparison_operator,
16914 less_comparison_operator, logical_operator,
16915 noncommutative_float_operator, shift_operator,
16916 symbol_ref_operand, unary_float_operator): Remove redundant
16919 2006-01-09 Jeff Law <law@redhat.com>
16921 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16922 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16923 now unused arguments. Callers updated.
16924 (eliminate_redundant_computations): Remove now unused arguments,
16926 (local_fold): Remove, no longer used.
16927 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16929 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16930 (simplify_cond): New function.
16931 (forward_propagate_into_cond): Call simplify_cond.
16933 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16935 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16936 (*vec_extractv2di_1_sse): New.
16938 2006-01-09 Ben Elliston <bje@au.ibm.com>
16940 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16942 2006-01-08 Richard Guenther <rguenther@suse.de>
16944 * tree-ssa-structalias.c (get_constraint_for): Remove
16945 anyoffset argument.
16946 (get_constraint_for_component_ref): Likewise.
16947 (do_deref): Likewise.
16948 (get_constraint_for): Likewise.
16949 (do_structure_copy): Likewise.
16950 (handle_ptr_arith): Likewise.
16951 (find_func_aliases): Likewise. Remove unused need_anyoffset
16954 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16955 Kaz Kojima <kkojima@gcc.gnu.org>
16957 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16958 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16959 (EXTRA_CONSTRAINT_C16): Remove.
16960 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16961 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16962 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16963 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16964 constants of SHmedia. Handle nested constant expressions of
16966 (andcosts): Fix the costs for SHmedia constants.
16967 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16968 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16969 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16970 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16971 (movv4hi_i, movv2si_i): Likewise.
16972 (movsi_const): Adjust the second operand of ior so to match with
16973 the Csu constraint.
16974 (movdi_const, movdi_const_32bit): Likewise.
16975 (movdi_const_16bit+1): Don't sign-extend LOW.
16976 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16978 (*double_shori): Fix the split condition. Use GEN_INT instead
16979 of get_int_mode calls. Mask lower 16-bit of the argument of
16981 (sym2GOTPLT): Remove.
16982 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16984 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16985 instead of EXTRA_CONSTRAINT_C16.
16987 2006-01-07 Ian Lance Taylor <ian@airs.com>
16988 David Edelsohn <edelsohn@gnu.org>
16990 PR rtl-optimization/25662
16991 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16992 for constant operands instead of simplify_gen_binary.
16993 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16994 after trying simplify_binary_operation
16996 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16998 * tree.c (iterative_hash_expr): Hash decls based on UID.
17000 2006-01-06 Eric Christopher <echristo@apple.com>
17002 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17003 (TARGET_UNWIND_EMIT): Fix spelling.
17004 * target.h (gcc_target): Add except_table_label.
17005 * except.c (output_function_exception_table): Use.
17006 * varasm.c (default_emit_except_table_label): New.
17007 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17009 (asm_out): Add here.
17010 * output.h (default_emit_except_table_label): Prototype.
17011 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17012 * config/darwin.c (darwin_emit_except_table_label): Define.
17013 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17015 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17017 PR tree-optimization/18527
17018 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17019 number_of_iterations_special, number_of_iterations_exit):
17020 Move base and step of an iv to a single structure. Add
17021 no_overflow flag, and use it in # of iterations analysis.
17022 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17023 folded_casts argument.
17024 (simple_iv): Pass base and step in a structure. Set no_overflow
17026 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17027 Evaluate expensiveness of computing # of iterations instead of
17028 the final expression.
17029 * tree-scalar-evolution.h (affine_iv): New structure.
17030 (simple_iv): Declaration changed.
17031 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17032 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17033 find_givs_in_stmt): Changed due to simple_iv change.
17035 2006-01-06 Jeff Law <law@redhat.com>
17038 * tree-cfg.c (bsi_replace): Rename final argument from
17039 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17040 change (stmt -> orig_stmt).
17041 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17042 (bsi_remove): Add new argument. Remove EH information
17044 (verify_eh_throw_table_statements): New function.
17045 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17047 * tree-optimize.c (execute_free_cfg_annotations): Verify
17048 the EH throw statement table after removing annotations.
17049 * except.h (verify_eh_throw_table_statements): Prototype.
17050 * tree-flow.h (bsi_remove): Update prototype.
17051 * tree-vrp.c (remove_range_assertions): Add new argument to
17053 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17054 * tree-complex.c (expand_complex_div_wide): Likewise.
17055 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17056 * tree-tailcall.c (eliminate_tailcall): Likewise.
17057 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17058 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17059 * tree-nrv.c (tree_nrv): Likewise.
17060 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17061 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17062 (combine_blocks): Likewise.
17063 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17064 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17065 (cleanup_control_flow): Likewise.
17066 (remove_forwarder_block): Likewise.
17067 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17068 * tree-sra.c (sra_replace): Likewise.
17069 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17070 (forward_propagate_single_use_vars): Likewise.
17071 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17072 * tree-inline.c (expand_call_inline): Likewise.
17073 * tree-vect-transform.c (vect_transform_loop): Likewise.
17074 * tree-outof-ssa.c (rewrite_trees): Likewise.
17075 * tree-cfg.c (make_goto_expr_edges): Likewise.
17076 (cleanup_dead_labels): Likewise.
17077 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17078 (bsi_move_before, bsi_move_after): Likewise.
17079 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17080 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17082 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17085 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17087 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17088 on non gimple variables. Also add checks at the top for decls and
17090 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17092 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17093 and IMAGPART_EXPR for creating MUST_DEFs.
17094 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17095 and NAME_MEMORY_TAG separately from the DECLs.
17097 2006-01-06 Richard Guenther <rguenther@suse.de>
17099 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17100 annotation, if necessary.
17101 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17102 redundant calls to update_stmt.
17103 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17106 2006-01-05 Richard Henderson <rth@redhat.com>
17108 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17110 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17112 * c-typeck.c: Update copyright date.
17114 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17116 * c-typeck.c (build_c_cast): Always warn when casting
17117 from a pointer to an integer of different size, even if
17118 the node was constant.
17120 2006-01-05 Richard Guenther <rguenther@suse.de>
17122 PR tree-optimization/22555
17123 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17124 if one structure field is an array.
17125 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17126 operands even if we found a subvar, but ignore VOPs in this
17128 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17130 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17132 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17134 PR middle-end/24998
17135 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17137 2006-01-05 Richard Guenther <rguenther@suse.de>
17138 Diego Novillo <dnovillo@redhat.com>
17140 * tree-pass.h (TODO_remove_unused_locals): Define.
17141 * gimple-low.c (expand_var_p, remove_useless_vars,
17142 pass_remove_useless_vars): Remove. Update all users.
17143 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17144 (remove_unused_locals): New function.
17145 * tree-flow.h (remove_unused_locals): Declare.
17146 * passes.c (execute_todo): Call remove_unused_locals if
17147 TODO_remove_unused_locals is set.
17148 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17149 * tree-ssa-dce.c (pass_dce): Likewise.
17150 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17152 2006-01-05 Richard Guenther <rguenther@suse.de>
17154 * tree-flow.h (struct fieldoff): Decompose field to
17155 type, size and decl.
17156 * tree-ssa-alias.c (create_sft): Take type as parameter.
17157 (create_overlap_variables_for): Store type, size and decl
17158 in the fieldoff structure.
17159 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17160 of struct fieldoff.
17161 (push_fields_onto_fieldstack): Likewise.
17162 (create_variable_info_for): Likewise. Use offset for the
17163 SFT name if the decl is not available.
17165 2006-01-04 Paul Brook <paul@codesourcery.com>
17167 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17169 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17171 * lambda-code.c (can_put_in_inner_loop): Relax
17173 (can_put_after_inner_loop): New function.
17174 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17175 (perfect_nestify): Change to make copies and modify uses.
17177 2006-01-04 Richard Henderson <rth@redhat.com>
17179 Merge from gomp branch:
17180 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17181 via integer constant.
17182 (pragma_lex): Remove.
17183 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17184 rather than parsing it.
17185 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17186 handle_pragma_extern_prefix): Add %< %> quotes.
17187 (registered_pragmas): New.
17188 (c_register_pragma_1): New.
17189 (c_register_pragma): Use it.
17190 (c_register_pragma_with_expansion): Likewise.
17191 (c_invoke_pragma_handler): New.
17192 (init_pragma): Use cpp_register_deferred_pragma directly for
17194 * c-pragma.h (enum pragma_kind): New.
17195 (pragma_handler): New.
17196 (c_invoke_pragma_handler): Declare.
17197 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17199 * c-common.h (c_common_pch_pragma): Update decl.
17200 * Makefile.in (c-parser.o): Update dependencies.
17201 (GTFILES): Add c-pragma.h.
17202 * c-parser.c (struct c_token): Add pragma_kind.
17203 (struct c_parser): Add in_pragma.
17204 (c_lex_one_token): Always initialize keyword and pragma_kind.
17205 Extract data for CPP_PRAGMA.
17206 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17207 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17208 Don't allow CPP_PRAGMA_EOL if in_pragma.
17209 (c_parser_consume_pragma): New.
17210 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17211 (c_parser_skip_to_end_of_parameter): Likewise.
17212 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17213 (c_parser_skip_to_pragma_eol): New.
17214 (c_parser_external_declaration): Handle CPP_PRAGMA.
17215 (c_parser_compound_statement_nostart): Likewise.
17216 (c_parser_statement_after_labels): Likewise.
17217 (c_parser_pragma): New.
17218 (pragma_lex): Likewise.
17219 (c_parser_pragma_pch_preprocess): New.
17220 (c_parser_new): Merge into ...
17221 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17223 2006-01-04 Jeff Law <law@redhat.com>
17226 * tree-cfg.c (bsi_replace): Remove the original statement
17227 from the EH throw statement table.
17229 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17231 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17232 make the prototype extern "C" and add throw ().
17235 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17236 and pos non-negative and pos + len <= 32.
17237 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17238 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17239 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17242 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17243 as well as sizes not multiple of component size.
17246 * function.c (instantiate_expr): New function.
17247 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17248 walk its DECL_VALUE_EXPR with instantiate_expr.
17250 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17251 DW_OP_deref{,_size} if address isn't going to be added.
17253 2006-01-04 Ben Elliston <bje@au.ibm.com>
17255 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17256 * config/fp-bit.c: Likewise.
17258 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17260 * dominance.c: Add comment about why we use DFS numbering
17263 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17264 Richard Henderson <rth@redhat.com>
17266 Merge from gomp-branch:
17267 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17268 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17270 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17272 PR rtl-optimization/25578
17273 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17274 pass a parameter to simplify_shift_const if changing ASHIFTRT
17277 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17279 * builtins.c (get_builtin_sync_mem): New function.
17280 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17281 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17282 Call get_builtin_sync_mem to generate mem rtx.
17284 2006-01-03 Richard Guenther <rguenther@suse.de>
17287 * stmt.c (add_case_node): Make sure to clear overflow flags
17290 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17292 Merge from gomp-branch.
17293 * config/sparc/sync.md: New file.
17294 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17295 UNSPECV_LDSTUB): New constants.
17296 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17297 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17298 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17301 2006-01-03 Roger Sayle <roger@eyesopen.com>
17303 * combine.c (reg_subword_p): New predicate to test whether the
17304 destination of a set refers to a subword/piece of a register.
17305 (try_combine): Generalize the code to merge the setting of a
17306 pseudo to a constant followed by a set of a subword of that
17307 register to a constant.
17309 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17311 * basic-block.h (control_flow_graph): Change the type of
17312 x_label_to_block_map to VEC(basic_block,gc) *.
17313 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17314 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17316 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17317 VEC(basic_block,heap) *.
17318 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17319 ssa_prop_fini): Adjust the uses of cfg_blocks.
17321 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17323 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17325 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17326 hashing trees instead of a pointer hash.
17327 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17328 compare for MEM_EXPR.
17330 PR rtl-optimization/25130
17331 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17332 when comparing MEMs for GCSE
17334 2006-01-03 Ben Elliston <bje@au.ibm.com>
17336 * targhooks.h (default_decimal_float_supported_p): Declare.
17337 * targhooks.c (default_decimal_float_supported_p): Define.
17338 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17339 `default_decimal_float_supported_p'.
17340 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17342 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17344 * combine.c (apply_distributive_law <SUBREG>): Check
17345 TRULY_NOOP_TRUNCATION.
17347 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17349 * dwarf2out.c (have_switched_text_section): Delete.
17350 (have_multiple_function_sections): New.
17351 (have_location_lists): Make 'bool'.
17352 (add_AT_loc_list): Use 'true' not '1'.
17353 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17354 (output_loc_list): Use have_multiple_function_sections.
17355 (output_ranges): Likewise.
17356 (dwarf2out_begin_function): Set have_multiple_function_sections if
17358 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17359 Check function_section rather than DECL_SECTION_NAME.
17360 (dwarf2out_finish): Use have_multiple_function_sections.
17361 Don't clear have_location_lists.
17363 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17364 Jan Hubicka <jh@suse.cz>
17366 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17367 case of conditional jump jumping to the next instruction.
17368 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17369 cases of conditional jump jumping to the next instruction.
17371 2006-01-02 Jan Hubicka <jh@suse.cz>
17373 * i386.c (*_cost): Add COSTS_N_INSNS.
17374 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17376 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17379 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17381 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17383 * config/arm/arm.c (all_fpus): Fix comment typo.
17384 * config/darwin.c: Likewise.
17385 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17386 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17387 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17389 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17391 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17392 (rs6000_split_compare_and_swapqhi): New.
17393 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17394 (sync_compare_and_swapqhi_internal): New.
17395 * config/rs6000/rs6000-protos.h: Declare.