1 2006-11-02 Ben Elliston <bje@au.ibm.com>
3 * tree-ssa.c (warn_uninit): Use expand_location variables for
4 locus and declaration locus.
6 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
9 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
10 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
11 cmp{eq,gt,gtu}{si,di}_media.
12 (*cmpne0si_media): Remove.
13 (*movsicc_umin): Adjust gen_cmp*_media call.
14 (unordered): Change the mode of unordered and operands[1] to
16 (seq): Adjust gen_cmp*_media calls. Make the mode of
17 a temporary result of compare SImode if needed. If the mode
18 of operands[0] is DImode, extend the temporary result to DImode.
19 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
20 (sunorderd): Change the mode of match_operand and unorderd to
22 (cmpeq{sf,df}_media): Remove.
23 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
24 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
25 and compare operation to SImode.
27 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
29 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
31 (sparc64-sun-solaris2*): Likewise.
33 2006-11-02 Paul Brook <paul@codesourcery.com>
35 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
36 from priority argument. Use different section for non-default
38 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
40 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
43 * except.c (switch_to_exception_section): Do not cache the section
44 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
45 and flag_function_sections is set.
47 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
50 * builtins.c (do_mpfr_sincos): New.
51 (fold_builtin_1): Use it to fold builtin sincos.
53 2006-11-01 Roger Sayle <roger@eyesopen.com>
55 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
58 2006-11-01 Roger Sayle <roger@eyesopen.com>
60 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
61 whether the assembler supports taking the difference of symbols in
62 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
63 * configure: Regenerate.
64 * config.in: Regenerate.
65 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
66 the assembler doesn't support taking the difference of symbols in
67 different sections, i.e. we're using the native solaris assembler.
69 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
70 Peter Bergner <bergner@vnet.ibm.com>
72 * doc/invoke.texi: Add cpu_type power6x
73 (RS/6000 and PowerPC Options): Add -mmfpgpr.
74 * config.gcc: Add cpu_type power6x.
75 * configure.ac: Add test for mf{t,f}gpr instructions.
76 (HAVE_AS_MFPGPR): New.
77 * config.in: Regenerate.
78 * configure: Regenerate.
79 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
80 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
81 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
82 and mftgpr attributes.
83 (define_attr "cpu"): Add power6.
84 Change instruction sequences to use new attributes.
85 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
86 (fix_truncdfsi2_mfpgpr): New.
87 (floatsidf_ppc64_mfpgpr): New.
88 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
89 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
90 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
91 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
92 (fix_truncdfsi2): Use gpc_reg_operand constraint.
93 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
94 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
95 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
96 cntlz,exts and var_delayed_compare.
97 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
98 _ARCH_PWR6X, if features enabled.
99 * config/rs6000/rs6000.opt (mmfpgpr): New.
100 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
101 (cached_can_issue_more): New variable.
102 (processor_costs): Add power6_cost.
103 (rs6000_sched_init): New function.
104 (is_dispatch_slot_restricted): Deleted.
105 (set_to_load_agen): New function.
106 (is_load_insn,is_store_insn): New functions.
107 (adjacent_mem_locations): New function.
108 (insn_must_be_first_in_group): New function.
109 (insn_must_be_last_in_group): New function.
110 (rs6000_sched_reorder): New function.
111 (rs6000_sched_reorder2): New function.
112 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
113 TARGET_SCHED_REORDER2): Define.
114 (processor_target_table): Use PROCESSOR_POWER6 for power6.
115 Add power6x. Add MASK_MFPGPR for power6x.
116 (POWERPC_MASKS): Add MASK_MFPGPR.
117 (rs6000_override_options): Set rs6000_always_hint to false
118 for power6. Set rs6000_align_branch_targets. Replace
119 rs6000_sched_groups check with rs6000_align_branch_targets.
120 Use PROCESSOR_POWER6.
121 (last_scheduled_insn): New variable.
122 (load_store_pendulum): New variable.
123 (rs6000_variable_issue): Set last_scheduled_insn and
124 cached_can_issue_more.
125 (rs6000_adjust_cost): Add power6 cost adjustments.
126 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
127 with insn_must_be_first_in_group. Add power6 priority adjustments.
128 (rs6000_issue_rate): Add CPU_POWER6.
129 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
130 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
131 (TARGET_MFPGPR): New.
132 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
133 (ASM_CPU_SPEC): Add power6x.
134 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
136 * config/rs6000/power6.md: New file.
138 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
140 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
141 HOST_WIDE_INT_PRINT to print high and low parts. Use
142 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
143 printing a hexadecimal number prefix it with 0x.
145 2006-11-01 Chris Johns <chris@contemporary.net.au>
148 * Makefile.in (install-driver): Use exeext when installing
149 $target-gcc-$version.
151 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
153 * c-common.c (flag_cpp0x): New.
154 * c-common.h (flag_cpp0x): New.
155 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
156 supported, define __GXX_EXPERIMENTAL_CPP0X__.
157 * c-opts.c (set_std_cxx0x): New.
158 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
159 * c.opt (std=c++0x): Document.
160 (std=gnu++0x): Ditto.
161 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
162 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
164 2006-11-01 Richard Guenther <rguenther@suse.de>
166 * config/i386/i386.c (ix86_expand_rint): Fix issues with
168 (ix86_expand_floorceildf_32): Likewise.
169 (ix86_expand_floorceil): Likewise.
170 (ix86_expand_trunc): Likewise.
172 2006-10-31 Andrew Pinski <pinskia@gmail.com>
174 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
177 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
179 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
181 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
183 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
185 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
186 * configure.ac (use_cxa_atexit): As a special case, don't test
187 for libc definition of __cxa_atexit on mingw32
188 * configure: Regenerate.
189 * config.gcc (i[34567]86-pc-mingw32): Default to
190 enable__cxa_atexit=yes.
192 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
194 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
196 2006-10-31 Geoffrey Keating <geoffk@apple.com>
199 * c-decl.c (start_struct): Don't create self-containing
201 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
203 * config/rs6000/rs6000-protos.h
204 (darwin_rs6000_special_round_type_align): New.
205 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
206 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
208 2006-10-31 Geoffrey Keating <geoffk@apple.com>
210 * toplev.c (compile_file): Call final_write_globals
211 even if there have been errors.
213 2006-10-31 Eric Christopher <echristo@apple.com>
214 Falk Hueffner <falk@debian.org>
216 * doc/extend.texi (__builtin_bswap32): Document.
217 (__builtin_bswap64): Ditto.
218 * doc/libgcc.texi (bswapsi2): Document.
220 * doc/rtl.texi (bswap): Document.
221 * optabs.c (expand_unop): Don't widen a bswap.
222 (init_optabs): Init bswap. Set libfuncs explicitly
223 for bswapsi2 and bswapdi2.
224 * optabs.h (OTI_bswap): New.
225 (bswap_optab): Ditto.
226 * genopinit.c (optabs): Handle bswap_optab.
227 * tree.h (tree_index): Add TI_UINT32_TYPE and
229 (uint32_type_node): New.
230 (uint64_type_node): Ditto.
231 * tree.c (build_common_tree_nodes_2): Initialize
232 uint32_type_node and uint64_type_node.
233 * builtins.c (expand_builtin_bswap): New.
234 (expand_builtin): Call.
235 (fold_builtin_bswap): New.
236 (fold_builtin_1): Call.
237 * fold-const.c (tree_expr_nonnegative_p): Return true
239 * builtin-types.def (BT_UINT32): New.
241 (BT_FN_UINT32_UINT32): Ditto.
242 (BT_FN_UINT64_UINT64): Ditto.
243 * builtins.def (BUILT_IN_BSWAP32): New.
244 (BUILT_IN_BSWAP64): Ditto.
245 * rtl.def (BSWAP): New.
246 * genattrtab.c (check_attr_value): New.
247 * libgcc2.c (__bswapSI2): New.
249 * libgcc2.h (__bswapSI2): Declare.
251 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
252 * simplify-rtx.c (simplify_const_unary_operation): Return
254 * libgcc-std.ver (__bwapsi2): Add.
256 * reload1.c (eliminate_regs_1): Add bswap.
257 (elimination_effects): Ditto.
258 * config/i386/i386.h (x86_bswap): New.
260 * config/i386/i386.c (x86_bswap): Set.
262 2006-10-31 Geoffrey Keating <geoffk@apple.com>
264 * coverage.c (coverage_checksum_string): Update comment.
265 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
266 of get_file_function_name.
267 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
268 of get_file_function_name_long.
269 * tree.c (get_file_function_name): Rename from
270 get_file_function_name_long; improve comment; handle 'I' and 'D'
271 specially when the target has ctor/dtor support; remove special
273 (get_file_function_name): Remove.
274 * tree.h (get_file_function_name): Rename from
275 get_file_function_name_long.
276 (get_file_function_name): Remove prototype.
278 2006-10-31 Geoffrey Keating <geoffk@apple.com>
280 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
281 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
283 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
284 Call dsymutil when compiling and linking one or more source files
287 2006-10-31 Geoffrey Keating <geoffk@apple.com>
290 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
292 2006-10-31 Geoffrey Keating <geoffk@apple.com>
294 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
295 inline static functions in c99 mode.
298 * doc/extend.texi (Inline): Update.
299 * c-tree.h (struct language_function): Remove field 'extern_inline'.
300 * c-decl.c (current_extern_inline): Delete.
301 (pop_scope): Adjust test for an undefined nested function.
302 Add warning about undeclared inline function.
303 (diagnose_mismatched_decls): Update comments. Disallow overriding
304 of inline functions in a translation unit in C99. Allow inline
305 declarations in C99 at any time.
306 (merge_decls): Boolize variables. Handle C99 'extern inline'
308 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
309 C99 inline semantics.
310 (start_function): Don't clear current_extern_inline. Don't set
312 (c_push_function_context): Don't push current_extern_inline.
313 (c_pop_function_context): Don't restore current_extern_inline.
316 * c-typeck.c (build_external_ref): Warn about static variables
317 used in extern inline functions.
318 * c-decl.c (start_decl): Warn about static variables declared
319 in extern inline functions.
321 2006-10-31 Roger Sayle <roger@eyesopen.com>
324 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
325 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
326 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
327 or y is an even integer.
329 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
332 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
333 * gthr-posix95.h (__gthread_active_p): Likewise.
335 2006-10-31 Richard Guenther <rguenther@suse.de>
337 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
338 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
339 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
340 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
341 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
342 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
343 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
344 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
347 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
349 * opts.c (decode_options): Disable CSE skip blocks.
351 2006-10-30 Dirk Mueller <dmueller@suse.de>
353 * c-common.h (strict_aliasing_warning): Fix whitespace.
354 * c-decl (start_function): Move code for main decl warning ..
355 * c-common.c (check_main_parameter_types): .. here.
356 * c-common.h (check_main_parameter_types): Declare.
358 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
361 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
363 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
365 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
366 be a PARALLEL containing sets. Return false when out_pat is not
369 2006-10-30 Richard Sandiford <richard@codesourcery.com>
371 * config/mips/mips.md (mul<mode>3): Split into...
372 (mulsi3, muldi3): ...these separate patterns.
374 2006-10-30 Richard Sandiford <richard@codesourcery.com>
376 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
377 but with each set of options separated by spaces.
379 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
381 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
382 dwarf_reg_size_table has been initialized.
384 2006-10-30 Roger Sayle <roger@eyesopen.com>
386 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
387 * ddg.c (print_ddg_edge): Likewise.
388 * dwarf2out.c (prune_unused_types_walk): Likewise.
389 * ifcvt.c (noce_try_cmove_arith): Likewise.
390 * langhooks.c (add_builtin_function): Likewise.
391 * reg-stack.c (subst_stack_regs_pat): Likewise.
392 * tree.c (expanded_location): Likewise.
393 * tree-dump.c (dequeue_and_dump): Likewise.
395 2006-10-30 David Daney <ddaney@avtrex.com>
397 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
399 2006-10-30 Jakub Jelinek <jakub@redhat.com>
401 PR tree-optimization/29637
402 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
403 of the innertype is the innertype itself.
405 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
407 * dwarf2out.c (file_name_acquire): Correct typo.
409 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
411 * tree.h (tree_value_handle): Remove struct value_set declaration.
412 Change value_set to bitmap_set.
413 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
414 * tree-vn.c (get_value_handle): Made inline and moved to
416 * tree-flow-inline.h: (has_stmt_ann): New function.
417 * tree-ssa-pre.c (expressions): New variable.
418 (next_expression_id): Ditto.
419 (alloc_expression_id): New function.
420 (struct value_set): Remove.
421 (get_expression_id): New function.
422 (get_or_alloc_expression_id): Ditto.
423 (expression_for_id): Ditto.
424 (clear_expression_ids): Ditto.
425 (FOR_EACH_EXPR_ID_IN_SET): New macro.
426 (bb_value_sets): Renamed to bb_bitmap_sets.
427 All value sets replaced with bitmap_sets.
429 (BB_VISITED): New macro.
430 (postorder): New variable.
431 (add_to_value): Removed.
432 (value_exists_in_set_bitmap): Ditto.
433 (value_insert_into_set_bitmap): Ditto.
437 (set_contains_value): Ditto.
438 (insert_into_set): Ditto.
440 (find_leader): Ditto.
441 (bitmap_set_subtract_from_value_set): Ditto.
442 (value_insert_into_set): Ditto.
443 (print_value_set): Ditto.
444 (debug_value_set): Ditto.
445 (constant_expr_p): New function.
446 (bitmap_remove_from_set): Ditto.
447 (bitmap_insert_into_set): Ditto.
448 (bitmap_set_free): Ditto.
450 (sorted_array_from_bitmap_set): Ditto.
451 (bitmap_set_subtract): Ditto.
452 (bitmap_set_equal): Ditto.
453 (debug_bitmap_set): Ditto.
454 (find_leader_in_sets): Ditto.
455 (bitmap_set_replace_value): Modify for bitmapped sets.
456 (phi_translate): Ditto.
457 (phi_translate_set): Ditto.
458 (bitmap_find_leader): Ditto.
459 (valid_in_sets): Ditto.
460 (union_contains_value): Ditto.
462 (compute_antic_aux): Ditto. Mark changed blocks.
463 (compute_antic): Ditto. Iterate in postorder and only over
465 (compute_rvuse_and_antic_safe): Reuse postorder.
466 (create_component_ref_by_pieces): Modify for bitmapped sets.
467 (find_or_generate_expression): Ditto.
468 (create_expression_by_pieces): Ditto.
469 (insert_into_preds_of_block): Ditto.
470 (changed_blocks): New variable.
471 (do_regular_insertion): Broken out from insert_aux.
472 (insert_aux): Modified for bitmapped sets.
473 (find_existing_value_expr): New function.
474 (create_value_expr_from): Use it.
475 (insert_extra_phis): Removed.
476 (print_bitmap_set): Renamed from bitmap_print_value_set.
477 (compute_avail): Handle RETURN_EXPR.
478 (init_pre): Modify for bitmapped sets.
479 * tree-flow.h (has_stmt_ann): New function.
481 2006-10-29 Roger Sayle <roger@eyesopen.com>
483 * builtins.c (fold_builtin_floor): Check for the availability of
484 the C99 trunc function before transforming floor into trunc.
486 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
488 * builtins.c (fold_builtin_hypot): Rearrange recursive
489 transformation before others, and also do ABS_EXPR. When
490 necessary, check flag_unsafe_math_optimizations. When necessary,
493 2006-10-29 Roger Sayle <roger@eyesopen.com>
495 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
496 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
497 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
498 Fold -X eq/ne -Y as X eq/ne Y.
500 2006-10-29 Richard Sandiford <richard@codesourcery.com>
502 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
503 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
504 rather than GENERATE_MULT3_SI in the various define_peephole2s.
505 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
506 Use an inclusive test for "mult" rather than "mul".
507 (rotr<mode>3): Depend on ISA_HAS_ROR.
508 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
510 (GENERATE_MULT3_DI): Delete.
511 (ISA_HAS_64BIT_REGS): Use consistent formatting.
512 (ISA_HAS_MUL3): New macro.
513 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
514 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
515 (ISA_HAS_CLZ_CLO): Likewise.
516 (ISA_HAS_DCLZ_DCLO): Delete.
517 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
518 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
519 the VR4120 and VR4130.
520 (ISA_HAS_MACCHI): Use consistent formatting.
521 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
522 (ISA_HAS_ROR): ...this new macro.
523 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
524 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
525 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
527 2006-10-29 Roger Sayle <roger@eyesopen.com>
529 PR tree-optimization/15458
530 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
533 2006-10-29 Richard Guenther <rguenther@suse.de>
535 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
536 (ix86_expand_truncdf_32): Likewise.
537 * config/i386/i386.c (ix86_expand_trunc): New function expanding
538 trunc inline for SSE math and -fno-trapping-math and if not
540 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
541 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
542 for expanding btrunc inline for SSE math.
544 2006-10-29 Joseph Myers <joseph@codesourcery.com>
546 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
547 Handle tuning for bi-arch i[34567]86-*-linux* like that for
548 i[34567]86-*-solaris2.1[0-9]*.
549 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
550 Define conditionally depending on TARGET_64BIT_DEFAULT.
551 (SPEC_32, SPEC_64): Define.
552 (LINK_SPEC): Use them.
553 * doc/install.texi (--enable-targets=all): Document for x86-linux.
555 2006-10-29 Richard Guenther <rguenther@suse.de>
557 * config/i386/i386-protos.h (ix86_expand_round): Declare.
558 (ix86_expand_rounddf_32): Likewise.
559 * config/i386/i386.c (ix86_expand_round): New function expanding
560 round inline for SSE math and -fno-trapping-math and if not
562 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
563 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
564 round via ix86_expand_round.
566 2006-10-29 Richard Guenther <rguenther@suse.de>
568 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
569 (ix86_expand_floorceildf_32): Likewise.
570 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
571 static helper function.
572 (ix86_expand_floorceil): Expander for floor and ceil to SSE
574 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
575 * config/i386/i386.md (floordf2): Adjust to enable floor
576 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
577 -fno-trapping-math is enabled and if not optimizing for size.
578 (floorsf2, ceildf2, ceilsf2): Likewise.
579 * config/i386/sse.md (sse_maskcmpsf3): New insn.
580 (sse2_maskcmpdf3): Likewise.
582 2006-10-29 Richard Guenther <rguenther@suse.de>
584 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
585 rint in case -fno-trapping-math is enabled.
586 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
587 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
588 (ix86_expand_sse_fabs): Likewise.
589 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
590 * config/i386/i386.md (rintdf2): Enable for SSE math if
591 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
594 2006-10-29 Richard Guenther <rguenther@suse.de>
596 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
597 to conversion optabs.
598 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
600 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
601 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
602 (lfloor_optab, lceil_optab): Adjust defines.
603 * builtins.c (expand_builtin_int_roundingfn): Adjust for
604 lfloor and lceil optabs now being conversion optabs.
605 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
606 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
607 New static helper function.
608 (ix86_expand_lfloorceil): New function to expand lfloor and
610 * config/i386/i386.md (lfloor<mode>2): Split into ...
611 (lfloorxf<mode>2): ... x87 variant
612 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
613 using ix86_expand_lfloorceil.
614 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
616 * doc/md.texi (lfloorMN, lceilMN): Document.
618 2006-10-29 Richard Sandiford <richard@codesourcery.com>
620 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
621 -mno-shared assembler option on mips targets.
622 * configure, config.in: Regenerate.
623 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
624 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
625 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
627 2006-10-29 Richard Sandiford <richard@codesourcery.com>
629 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
630 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
632 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
634 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
635 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
638 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
641 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
642 (fold_builtin_pow): Evaluate constant arguments at compile-time
644 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
645 (do_mpfr_ckconv): New helper function.
646 (do_mpfr_arg1): Use do_mpfr_ckconv.
649 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
652 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
653 (-fdump-rtl-sched): Rename to ..
654 (-fdump-rtl-sched1): here. Also fix file extension number.
656 2006-10-28 Richard Guenther <rguenther@suse.de>
658 * fold-const.c (maybe_canonicalize_comparison): Fix code
661 2006-10-28 Uros Bizjak <uros@kss-loka.si>
663 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
664 (NON_QI_REG_P): Use IN_RANGE.
665 (REX_INT_REGNO_P): Use IN_RANGE.
666 (FP_REGNO_P): Use IN_RANGE.
667 (SSE_REGNO_P): Use IN_RANGE.
668 (REX_SSE_REGNO_P): Use IN_RANGE.
669 (MMX_REGNO_P): Use IN_RANGE.
670 (STACK_REGNO_P): New macro.
671 (STACK_REG_P): Use STACK_REGNO_P.
672 (NON_STACK_REG_P): Use STACK_REGNO_P.
673 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
674 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
675 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
676 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
677 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
679 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
681 * except.h (output_function_exception_table): Add 'const char*' param.
682 * except.c (switch_to_exception_section): Add 'const char*' param.
683 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
684 and flag_function_sections is set, use a function-specific section.
685 (output_function_exception_table): Add 'const char*' param.
686 Adjust call to switch_to_exception_section.
687 * final.c (rest_of_handle_final): Adjust calls to
688 output_function_exception_table.
689 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
690 * config.in: Regenerate.
691 * configure: Likewise.
693 2006-10-28 Richard Guenther <rguenther@suse.de>
696 * fold-const.c (maybe_canonicalize_comparison_1): Helper
697 for maybe_canonicalize_comparison.
698 (maybe_canonicalize_comparison): New function for canonicalizing
700 (fold_comparison): Call it to canonicalize comparisons with
703 2006-10-28 Richard Guenther <rguenther@suse.de>
706 * builtins.c (expand_builtin_int_roundingfn_2): Expand
707 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
708 (expand_builtin): Adjust likewise.
709 * genopinit.c (optabs[]): Add lround optab.
710 * optabs.c (init_optabs): Initialize lround_optab.
711 * optabs.h (enum convert_optab_index): Add COI_lround.
712 (lround_optab): Define.
713 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
714 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
716 (ix86_expand_lround): New function.
717 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
719 * doc/md.texi (lroundMN2): Document.
721 2006-10-28 Uros Bizjak <uros@kss-loka.si>
724 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
725 argument to HOST_WIDE_INT. Update function prototype.
726 (round_frame_size): Change return type to HOST_WIDE_INT. Change
727 "size" argument to HOST_WIDE_INT. Update function prototype.
729 2006-10-28 Uros Bizjak <uros@kss-loka.si>
731 * config/i386/i386.c (output_387_ffreep): Create output from a
732 template string for !HAVE_AS_IX86_FFREEP.
734 2006-10-27 Eric Christopher <echristo@apple.com>
736 * config/darwin.c: Fix formatting and grammar.
738 2006-10-27 Jan Hubicka <jh@suse.cz>
740 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
741 to be thrown away soon when IGNORE is set.
742 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
743 indicating when return value shall not be computed.
744 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
746 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
748 * config/i386/i386.h (TARGET_GEODE):
749 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
750 (TARGET_CPU_DEFAULT_geode): New macro.
751 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
752 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
753 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
754 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
755 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
757 (TARGET_CPU_DEFAULT_NAMES): Add geode.
758 (processor_type): Add PROCESSOR_GEODE.
760 * config/i386/i386.md: Include geode.md.
763 * config/i386/i386.c (geode_cost): New initialized global
765 (m_GEODE, m_K6_GEODE): New macros.
766 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
767 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
768 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
769 x86_schedule): Use m_K6_GEODE instead of m_K6.
770 (x86_movx, x86_cmove): Set up m_GEODE.
771 (x86_integer_DFmode_moves): Clear m_GEODE.
772 (processor_target_table): Add entry for geode.
773 (processor_alias_table): Ditto.
775 * config/i386/geode.md: New file.
777 * doc/invoke.texi: Add entry about geode processor.
779 2006-10-27 Mike Stump <mrs@apple.com>
781 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
782 __DYNAMIC__ from here back to ...
783 * config/darwin.h (CPP_SPEC): ... here.
785 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
786 Nathan Sidwell <nathan@codesourcery.com>
788 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
789 when choosing the minimum heapsize.
791 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
793 * gcc/unwind-dw2.h: Move cfa-related variables into
794 struct frame_state_reg_info to ensure that the CFA is properly
795 handled when executing DW_CFA_{remember,restore}_state.
796 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
797 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
798 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
799 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
800 gcc/config/rs6000/linux-unwind.h,
801 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
802 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
803 Modify to use new cfa_* fields.
805 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
807 * config/s390/s390.c (s390_init_frame_layout): Check positive
810 2006-10-26 Ben Elliston <bje@au.ibm.com>
812 * gimplify.c (get_name): Remove extraneous break.
813 (gimplify_omp_for): Initialise ret with GS_OK.
815 2006-10-25 Steve Ellcey <sje@cup.hp.com>
817 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
818 Add unix98.o to link line.
820 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
823 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
824 Calculate compile-time constants using MPFR.
825 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
826 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
828 2006-10-25 Bob Wilson <bob.wilson@acm.org>
830 * config/xtensa/lib2funcs.S: Use C-style comments.
832 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
834 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
835 (file_table_relative_p): Likewise.
836 (dwarf2out_finish): Likewise.
837 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
839 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
841 * tree-ssa-structalias.c (intra_create_variable_infos):
842 Don't recreate nonlocal_all if it already exists.
844 2006-10-25 Richard Guenther <rguenther@suse.de>
847 * optabs.h (enum optab_index): Remove OTI_lrint.
848 (enum convert_optab_index): Add COI_lrint.
849 (lrint_optab): Adjust.
850 (expand_sfix_optab): Declare.
851 * optabs.c (expand_sfix_optab): New function.
852 (init_optabs): Init lrint_optab as conversion optab.
853 * genopinit.c (lrint_optab): Change to a conversion optab.
854 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
855 expansion via conversion optab.
856 * config/i386/i386.md (*fistdi2_1): Remove
857 flag_unsafe_math_optimizations guard.
858 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
859 fist<mode>2_with_temp): Likewise.
860 (lrint<mode>2): Split into...
861 (lrintxf<mode>2): ... x87 part
862 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
863 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
864 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
865 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
866 * doc/md.texi (lrintMN2): Document.
868 2006-10-25 Uros Bizjak <uros@kss-loka.si>
871 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
872 Use inc and dec instructions for TARGET_USE_INCDEC.
873 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
874 ("sync_double_compare_and_swap<mode>"): Likewise.
875 ("*sync_double_compare_and_swapdi_pic"): Likewise.
876 ("*sync_compare_and_swap_cc<mode>"): Likewise.
877 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
878 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
879 ("sync_old_add<mode>"): Likewise.
880 ("sync_lock_test_and_set<mode>"): Likewise.
881 ("sync_lock_test_and_set<mode>"): Likewise.
882 ("sync_add<mode>"): Likewise.
883 ("sync_sub<mode>"): Likewise.
884 ("sync_ior<mode>"): Likewise.
885 ("sync_and<mode>"): Likewise.
886 ("sync_xor<mode>"): Likewise.
888 2006-10-25 Uros Bizjak <uros@kss-loka.si>
890 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
891 (remainder_optab): Define corresponding macro.
892 (drem_optab): Remove.
893 * optabs.c (init_optabs): Initialize remainder_optab. Remove
894 drem_optab initialization.
895 * genopinit.c (optabs): Implement remainder_optab using
896 remainder?f3 patterns. Remove drem_optab.
897 * builtins.c (expand_builtin_mathfn_2): Handle
898 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
899 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
900 expand_builtin_mathfn_2.
902 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
903 depend on flag_unsafe_math_optimizations.
905 * config/i386/i386.md ("remaindersf3", "remainderdf3")
906 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
907 Do not depend on flag_unsafe_math_optimizations. Use
908 truncxf?f expander instead of truncxf?f_i387_noop.
910 ("fpremxf4", "fprem1xf4"): Do not depend on
911 flag_unsafe_math_optimizations.
912 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
913 flag_unsafe_math_optimizations. Use truncxf?f expander
914 instead of truncxf?f_i387_noop.
916 * doc/md.texi (fmod, remainder): Document standard named pattern.
918 2006-10-24 Richard Sandiford <richard@codesourcery.com>
919 David Daney <ddaney@avtrex.com>
922 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
924 2006-10-25 Ben Elliston <bje@au.ibm.com>
926 * doc/extend.texi (Variable Attributes): Typo fix.
928 2006-10-24 Uros Bizjak <uros@kss-loka.si>
930 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
931 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
932 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
933 (FRAME_POINTER_REGNUM): Update register number to 21.
934 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
935 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
937 * config/i386/i386.c (regclass_map): Add fpcr entry.
938 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
940 (print_reg): Assert REGNO (x) != FPCR_REG.
942 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
943 (DIRFLAG_REG): Renumber.
944 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
945 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
946 (sse_prologue_save, *sse_prologue_save_insn): Renumber
947 hardcoded SSE register numbers.
949 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
950 hardcoded MMX register numbers.
952 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
955 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
956 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
958 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
959 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
960 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
961 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
963 2006-10-24 Richard Guenther <rguenther@suse.de>
966 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
967 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
968 for deciding optimizations in consistency with fold-const.c
969 (fold_builtin_unordered_cmp): Likewise.
971 2006-10-24 Richard Guenther <rguenther@suse.de>
973 * builtins.c (fold_builtin_floor): Fold floor (x) where
974 x is nonnegative to trunc (x).
975 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
976 nonnegative to FIX_TRUNC_EXPR.
978 2006-10-24 Richard Guenther <rguenther@suse.de>
980 PR tree-optimization/29567
981 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
982 for TRUTH_NOT_EXPR. Clarify comments.
984 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
987 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
988 at compile-time using MPFR. Change parameter VALUE to FUNC,
990 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
991 for overflow and underflow at all times and avoid folding in
994 2006-10-24 Ben Elliston <bje@au.ibm.com>
996 * reload1.c: Formatting fixes.
998 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1000 PR tree-optimization/14784
1001 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1002 * tree-ssa-structalias.c (get_constraint_for,
1003 intra_create_variable_infos): Set is_heapvar.
1004 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1005 non-heapvar pointer variables specially.
1007 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1010 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1011 fold_builtin_tan): Fold all constant arguments. Take a "type"
1012 argument as necessary.
1013 (do_mpfr_arg1): New.
1014 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1016 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1018 * config/xtensa/lib1funcs.asm: Use C-style comments.
1020 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1022 * tree.c (local_define_builtin): Replace calls to
1023 lang_hooks.builtin_function with add_builtin_function.
1024 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1026 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1028 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1029 common code to add_builtin_function.
1030 * langhooks.c (add_builtin_function): New function.
1031 (lhd_builtin_function): New function.
1032 * langhooks.h (struct lang_hooks): Change the signature of
1034 (add_builtin_function): New function.
1035 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1036 calls to lang_hooks.builtin_function with add_builtin_function.
1037 * c-common.c (decl_builtin_1): Replace calls to
1038 lang_hooks.builtin_function with add_builtin_function.
1039 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1040 lang_hooks.builtin_function with add_builtin_function.
1041 * config/frv/frv.c (def_builtin): Replace calls to
1042 lang_hooks.builtin_function with add_builtin_function.
1043 * config/s390/s390.c (s390_init_builtins): Replace calls to
1044 lang_hooks.builtin_function with add_builtin_function.
1045 * config/sparc/sparc.c (def_builtin): Replace calls to
1046 lang_hooks.builtin_function with add_builtin_function.
1047 * config/i386/i386.c (def_builtin): Replace calls to
1048 lang_hooks.builtin_function with add_builtin_function.
1049 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1050 lang_hooks.builtin_function with add_builtin_function.
1051 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1052 lang_hooks.builtin_function with add_builtin_function.
1053 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1054 Replace calls to lang_hooks.builtin_function with
1055 add_builtin_function.
1056 * config/iq2000/iq2000.c (def_builtin):
1057 Replace calls to lang_hooks.builtin_function with
1058 add_builtin_function.
1059 * config/ia64/ia64.c (def_builtin): Replace calls to
1060 lang_hooks.builtin_function with add_builtin_function.
1061 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1062 lang_hooks.builtin_function with add_builtin_function.
1063 (altivec_init_builtins): Replace calls to
1064 lang_hooks.builtin_function with add_builtin_function.
1065 * config/arm/arm.c (def_mbuiltin): Replace calls to
1066 lang_hooks.builtin_function with add_builtin_function.
1067 (arm_init_tls_builtins): Replace calls to
1068 lang_hooks.builtin_function with add_builtin_function.
1069 * config/mips/mips.c (mips_init_builtins): Replace calls to
1070 lang_hooks.builtin_function with add_builtin_function.
1071 * config/bfin/bfin.c (def_builtin): Replace calls to
1072 lang_hooks.builtin_function with add_builtin_function.
1073 * langhooks-def.h (lhd_builtin_function): New function.
1074 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1076 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1078 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1079 BUILT_IN_STRNCAT_CHK.
1081 2006-10-23 Jan Hubicka <jh@suse.cz>
1083 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1084 don't do conversion from memmove to memcpy here.
1085 (expand_builtin_bcopy, expand_builtin): Update call of
1086 expand_builtin_memmove.
1087 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1089 2006-10-23 Paul Brook <paul@codesourcery.com>
1091 * stor-layout.c (start_record_layout): maximum_field_alignment
1092 overrides STRUCTURE_SIZE_BOUNDARY.
1094 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1096 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1097 nonlocal function symbols if flag_pic.
1099 2006-10-23 Richard Guenther <rguenther@suse.de>
1103 * builtins.c (fold_binary): Remove checks for flag_wrapv
1104 and flag_trapv where negate_expr_p covers these cases.
1106 2006-10-23 Richard Guenther <rguenther@suse.de>
1109 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1110 of two on the absolute value.
1111 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1112 and negating -C does not overflow.
1114 2006-10-23 Richard Guenther <rguenther@suse.de>
1117 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1118 only if not flag_rounding_math.
1120 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1121 Kaz Kojima <kkojima@gcc.gnu.org>
1124 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1125 SImode memory reference for the source of a movua.
1126 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1127 (movua): Use an unspec instead of sign_extract. Expect the source
1128 to have mode BLKmode.
1129 (extv, insv): Use a BLKmode rather than SImode memory reference
1130 for the source of a movua.
1132 2006-10-22 Jeff Law <law@redhat.com>
1133 Richard Guenther <rguenther@suse.de>
1135 PR tree-optimization/15911
1136 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1137 (register_edge_assert_for_1): Likewise.
1138 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1139 (find_conditional_asserts): Adjust for new function signature.
1140 (find_assert_locations): Likewise.
1142 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1144 * config/i386/tmmintrin.h: Remove the duplicated content.
1146 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1148 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1149 (x86_64-*-*): Likewise.
1151 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1152 (override_options): Check SSSE3.
1153 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1154 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1155 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1156 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1157 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1158 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1159 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1160 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1161 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1162 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1163 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1164 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1165 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1166 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1167 IX86_BUILTIN_PABSD128.
1168 (bdesc_2arg): Add SSSE3.
1169 (bdesc_1arg): Likewise.
1170 (ix86_init_mmx_sse_builtins): Support SSSE3.
1171 (ix86_expand_builtin): Likewise.
1172 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1174 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1175 (UNSPEC_PSIGN): Likewise.
1176 (UNSPEC_PALIGNR): Likewise.
1177 Include mmx.md before sse.md.
1179 * config/i386/i386.opt: Add -mssse3.
1181 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1182 (ssse3_phaddwv4hi3): Likewise.
1183 (ssse3_phadddv4si3): Likewise.
1184 (ssse3_phadddv2si3): Likewise.
1185 (ssse3_phaddswv8hi3): Likewise.
1186 (ssse3_phaddswv4hi3): Likewise.
1187 (ssse3_phsubwv8hi3): Likewise.
1188 (ssse3_phsubwv4hi3): Likewise.
1189 (ssse3_phsubdv4si3): Likewise.
1190 (ssse3_phsubdv2si3): Likewise.
1191 (ssse3_phsubswv8hi3): Likewise.
1192 (ssse3_phsubswv4hi3): Likewise.
1193 (ssse3_pmaddubswv8hi3): Likewise.
1194 (ssse3_pmaddubswv4hi3): Likewise.
1195 (ssse3_pmulhrswv8hi3): Likewise.
1196 (ssse3_pmulhrswv4hi3): Likewise.
1197 (ssse3_pshufbv16qi3): Likewise.
1198 (ssse3_pshufbv8qi3): Likewise.
1199 (ssse3_psign<mode>3): Likewise.
1200 (ssse3_psign<mode>3): Likewise.
1201 (ssse3_palignrti): Likewise.
1202 (ssse3_palignrdi): Likewise.
1203 (abs<mode>2): Likewise.
1204 (abs<mode>2): Likewise.
1206 * config/i386/tmmintrin.h: New file.
1208 * doc/extend.texi: Document SSSE3 built-in functions.
1210 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1212 2006-10-22 Ira Rosen <irar@il.ibm.com>
1214 * tree-vect-transform.c (vectorizable_load): Use the type of the
1215 return value of the mask_for_load builtin to create realign_load
1218 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1220 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1223 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1225 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1226 (UNSPEC_LDDQU): This.
1227 * config/i386/sse.md (sse3_lddqu): Updated.
1229 2006-10-21 Richard Guenther <rguenther@suse.de>
1231 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1232 (expand_builtin): Use it to expand lrint instead of
1233 expand_builtin_mathfn.
1235 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1238 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1239 flag_unsafe_math_optimizations is set.
1241 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1244 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1245 patterns to use memory input operand in x87->mem->XMM
1246 reload sequences. Skip transformation for TARGET_K8.
1248 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1250 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1251 force operand1 to register if both operands are memory operands.
1252 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1253 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1254 if both operands are memory operands.
1255 (truncdfsf2): Do not force operand1 to register if both operands
1256 are memory operands.
1258 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1260 * Makefile.in (LIBS): Add $(GMPLIBS).
1261 * doc/install.texi: Update GMP and MPFR requirements.
1262 * doc/sourcebuild.texi (need_gmp): Delete.
1264 2006-10-21 Richard Guenther <rguenther@suse.de>
1266 PR tree-optimization/3511
1267 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1268 got new invariant arguments during PHI translation.
1270 2006-10-21 Richard Guenther <rguenther@suse.de>
1273 * fold-const.c (fold_comparison): Fold signed comparisons
1274 of the form X +- C1 CMP Y +- C2.
1276 2006-10-21 Richard Guenther <rguenther@suse.de>
1279 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1280 if flag_unsafe_math_optimizations is specified. We have
1281 flag_finite_math_only for that.
1282 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1283 or flag_unsafe_math_optimizations.
1285 2006-10-21 Richard Guenther <rguenther@suse.de>
1287 * builtins.c (fold_builtin_classify): Fix typo.
1289 2006-10-21 Richard Guenther <rguenther@suse.de>
1292 * simplify-rtx.c (simplify_const_relational_operation):
1293 Do not constant-fold ORDERED and UNORDERED for
1294 flag_unsafe_math_optimizations but only we do not need to
1295 honor NaNs for the given mode.
1297 2006-10-21 Richard Guenther <rguenther@suse.de>
1300 * config/i386/i386.c (classify_argument): Remove redundant
1301 walking of the BINFOs.
1302 (contains_128bit_aligned_vector_p): Likewise.
1304 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1306 * BASE-VER: Set to 4.3.0.
1308 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1310 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1311 (tree_decl_with_vis): Remove artificial_pta_var flag.
1312 * tree-flow.h (referenced_var_check_and_insert): Expose.
1313 (nonlocal_all): New prototype.
1314 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1315 (nonlocal_all): Make global.
1316 (nonlocal_lookup): Remove.
1317 (nonlocal_insert): Ditto.
1318 (create_nonlocal_var): Do not call nonlocal_insert.
1319 (get_nonlocal_id_for_type): Remove.
1320 (find_global_initializers): Mark new vars we find for renaming.
1321 (intra_create_variable_infos): Only create one nonlocal.
1322 (expand_nonlocal_solutions): Remove.
1323 (compute_points_to_sets): Don't call it.
1324 (ipa_pta_execute): Ditto.
1325 (init_alias_heapvars): Don't create nonlocal_for_type.
1326 (delete_alias_heapvars): Don't remove it.
1327 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1330 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1332 * doc/install.texi (Downloading GCC): Clarify mention of
1333 Fortran in the "full distribution" description.
1335 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1337 Fix PR tree-optimization/28778
1338 Fix PR tree-optimization/29156
1339 Fix PR tree-optimization/29415
1340 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1341 (tree_decl_with_vis): Add artificial_pta_var flag.
1342 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1343 pushed into callers.
1344 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1345 (nonlocal_all): Ditto.
1346 (struct variable_info): Add directly_dereferenced member.
1347 (var_escaped_vars): New variable.
1348 (escaped_vars_tree): Ditto.
1349 (escaped_vars_id): Ditto.
1350 (nonlocal_vars_id): Ditto.
1351 (new_var_info): Set directly_dereferenced.
1352 (graph_size): New variable
1353 (build_constraint_graph): Use graph_size.
1354 (solve_graph): Don't process constraints that cannot change the
1355 solution, don't try to propagate an empty solution to our
1357 (process_constraint): Set directly_dereferenced.
1358 (could_have_pointers): New function.
1359 (get_constraint_for_component_ref): Don't process STRING_CST.
1360 (nonlocal_lookup): New function.
1361 (nonlocal_insert): Ditto.
1362 (create_nonlocal_var): Ditto.
1363 (get_nonlocal_id_for_type): Ditto.
1364 (get_constraint_for): Allow results vector to be empty in the case
1365 of string constants.
1366 Handle results of calls properly.
1367 (update_alias_info): Update alias info stats on number and type of
1369 (find_func_aliases): Use could_have_pointers.
1370 (make_constraint_from_escaped): Renamed from
1371 make_constraint_to_anything, and changed to make constraints from
1373 (make_constraint_to_escaped): New function.
1374 (find_global_initializers): Ditto.
1375 (create_variable_info_for): Make constraint from escaped to any
1376 global variable, and from any global variable to the set of
1378 (intra_create_variable_infos): Deal with escaped instead of
1379 pointing to anything.
1380 (set_uids_in_ptset): Do type pruning on directly dereferenced
1382 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1383 (init_base_vars): Fix comment, and initialize escaped_vars.
1384 (need_to_solve): Removed.
1385 (find_escape_constraints): New function.
1386 (expand_nonlocal_solutions): Ditto.
1387 (compute_points_to_sets): Call find_escape_constraints and
1388 expand_nonlocal_solutions.
1389 (delete_points_to_sets): Don't fall off the end of the graph.
1390 (init_alias_heapvars): Initialize nonlocal_for_type and
1392 (delete_alias_heapvars): Free nonlocal_for_type and null out
1395 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1397 * fold-const.c (add_double): Rename to add_double_with_sign.
1398 Add 'unsigned_p' parameter and take it into account for the overflow.
1399 (mul_double): Rename to mul_double_with_sign.
1400 Add 'unsigned_p' parameter and take it into account for the overflow.
1401 (fold_div_compare): Call add_double_with_sign instead of add_double
1402 and mul_double_with_sign instead of mul_double, passing them the
1403 unsignedness of the type.
1404 * tree.h (add_double): Macroize.
1405 (add_double_with_sign): New prototype.
1406 (mul_double): Macroize.
1407 (mul_double_with_sign): New prototype.
1409 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1411 * config/score/crti.asm: New file.
1412 * config/score/crtn.asm: New file.
1413 * config/score/elf.h: New file.
1414 * config/score/mac.md: New file.
1415 * config/score/misc.md: New file.
1416 * config/score/mul-div.S: New file.
1417 * config/score/predicates.md: New file.
1418 * config/score/score7.md: New file.
1419 * config/score/score.c: New file.
1420 * config/score/score-conv.h: New file.
1421 * config/score/score.h: New file.
1422 * config/score/score.md: New file.
1423 * config/score/score-mdaux.c: New file.
1424 * config/score/score-mdaux.h: New file.
1425 * config/score/score-modes.def: New file.
1426 * config/score/score.opt: New file.
1427 * config/score/score-protos.h: New file.
1428 * config/score/score-version.h: New file.
1429 * config/score/t-score-elf: New file.
1430 * config.gcc: Add score*-*-* configurations(Update before).
1431 * doc/invoke.texi (Score Options): New section.
1432 * doc/md.texi (Score family): New section to document constraints.
1434 2006-10-19 Nick Clifton <nickc@redhat.com>
1436 * config/arm/arm.c: Fix spelling typo.
1438 2006-10-18 Tom Tromey <tromey@redhat.com>
1440 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1442 2006-10-18 Jan Hubicka <jh@suse.cz>
1445 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1448 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1450 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1451 TSI_SAME_STMT, since that's the desired entity.
1453 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1455 * config/s390/contraints.md: New file.
1456 * config/s390/s390-protos.h (s390_mem_constraint,
1457 s390_O_constraint_str, s390_N_constraint_str,
1458 s390_float_const_zero_p): Function prototypes added.
1459 * config/s390/s390.c (s390_extra_constraint_str,
1460 s390_const_double_ok_for_constraint_p,
1461 s390_const_ok_for_constraint_p): Functions removed.
1462 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1463 s390_float_const_zero_p): New functions.
1464 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1465 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1466 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1467 Macro definitions removed.
1468 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1469 s390_extra_constraint_str): Functions removed.
1471 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1472 Richard Sandiford <richard@codesourcery.com>
1475 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1476 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1478 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1480 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1481 (DWARF2_FRAME_REG_OUT): Likewise.
1482 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1483 (DWARF2_FRAME_REG_OUT): Likewise.
1485 2006-10-17 Paul Brook <paul@codesourcery.com>
1487 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1489 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1491 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1492 Standardize on "GNU Fortran" as the official name of the Fortran
1495 2006-10-16 Mike Stump <mrs@apple.com>
1497 * doc/invoke.texi (Darwin Options): Document -mkernel.
1498 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1500 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1501 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1502 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1503 (OS_MISSING_ALTIVEC): Add.
1504 * config/i386/i386.c (override_options): Add
1505 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1506 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1507 -mkernel, -static or -mdynamic-no-pic is given.
1508 (C_COMMON_OVERRIDE_OPTIONS): Add.
1509 * config/darwin.opt (fapple-kext): Add.
1511 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1512 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1514 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1515 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1516 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1517 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1518 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1519 (flag_mkernel): Add.
1520 (flag_apple_kext): Add.
1521 (TARGET_KEXTABI): Add.
1522 * config/darwin.c (darwin_handle_kext_attribute): Add.
1523 (DARWIN_VTABLE_P): Add.
1524 (darwin_binds_local_p): Add partial support for rebinding vtables
1526 (darwin_kextabi_p): Add.
1527 (darwin_override_options): Add.
1528 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1529 (darwin_kextabi_p): Add.
1530 (darwin_override_options): Add.
1531 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1532 __DYNAMIC__ and __STATIC__ here.
1534 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1536 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1537 Added mention of "make pdf" target, and Texinfo requirements for
1540 2006-10-16 DJ Delorie <dj@redhat.com>
1542 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1543 into the GOT in case we need a subreg of the address.
1545 2006-10-16 Richard Guenther <rguenther@suse.de>
1548 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1549 SSE builtin documentation. Document SSE2 builtins.
1551 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1553 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1554 symbol in the output file for non-shared links when -nostdlib or
1555 -nodefaultlibs isn't specified.
1557 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1558 posix thread support.
1560 2006-10-15 Jan Hubicka <jh@suse.cz>
1563 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1564 declared always_inline even when not inlining.
1566 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1567 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1568 Andrew Pinski <pinskia@gmail.com>
1571 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1573 2006-10-15 Jan Hubicka <jh@suse.cz>
1574 Richard Guenther <rguenther@suse.de>
1577 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1578 process_function_and_variable_attributes on all variables, including
1579 those discovered during cgraph construction phase.
1581 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1583 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1585 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1587 * config/i386/athlon.md (athlon_fist): Add fisttp.
1589 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1590 Ian Lance Taylor <ian@airs.com>
1593 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1594 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1597 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1599 * config/score/score.c, config/score/score.h: Fix comment
1602 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1605 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1608 2006-10-13 Eric Christopher <echristo@apple.com>
1610 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1612 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1615 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1616 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1617 alignment supported by 32-bit ELF.
1619 2006-10-13 Eric Christopher <echristo@apple.com>
1621 * config/darwin.c (darwin_emit_unwind_label): Strip
1622 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1624 2006-10-13 Richard Guenther <rguenther@suse.de>
1626 PR tree-optimization/29446
1627 * tree-vrp.c (fix_equivalence_set): Remove.
1628 (extract_range_from_assert): Do not call fix_equivalence_set.
1629 (debug_value_range): Print a newline.
1630 (compare_name_with_value): For equivalence sets with
1631 inconsistent value ranges conservatively bail out.
1632 (compare_names): Likewise.
1634 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1636 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1637 and MPFR for gfortran.
1639 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1641 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1642 alignment supported by 32-bit ELF.
1644 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1648 * c-typeck.c (digest_init): Always allow initializing vectors
1649 that have static storage duration with compound literals.
1650 * tree.c (build_type_attribute_qual_variant): New, based on
1651 build_type_attribute_variant.
1652 (build_type_attribute_variant): Rewrite using the former.
1653 (make_vector_type): Use build_type_attribute_qual_variant to build
1654 type variants. Use type_hash_canon on the others.
1656 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1657 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1659 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1661 2006-10-12 Jan Hubicka <jh@suse.cz>
1664 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1665 current_function_decl is set but current_function_scope is not.
1667 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1669 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1670 emit_insn to emit eh_return_internal instruction.
1671 (eh_return_internal): Explicitly set pc.
1673 2006-10-11 Richard Guenther <rguenther@suse.de>
1675 PR tree-optimization/28230
1676 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1677 to the correct place.
1679 2006-10-11 Richard Guenther <rguenther@suse.de>
1682 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1685 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1687 * configure.ac: Added pdf to "Make-hooks"
1688 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1689 targets and *.pdf file patterns in cleanup targets.
1690 * configure: Regenerated.
1692 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1694 * config/avr/predicates.md: New file.
1695 * config/avr/avr.md: Include it.
1696 (REG_SP): New constant.
1697 (peepholes): Use predicates.
1698 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1699 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1700 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1702 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1704 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1707 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1710 * builtins.c (var_decl_component_p): New function.
1711 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1712 single entry optimization to variables and components thereof.
1714 2006-10-10 Richard Guenther <rguenther@suse.de>
1716 PR rtl-optimization/29323
1717 * except.c (set_nothrow_function_flags): For functions
1718 that do not bind local bail out early.
1720 2006-10-10 Ben Elliston <bje@au.ibm.com>
1722 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1725 2006-10-09 Richard Henderson <rth@redhat.com>
1727 Revert emutls patch.
1729 2006-10-09 Richard Guenther <rguenther@suse.de>
1732 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1735 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1738 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1739 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1740 * configure: Regenerate.
1741 * config.in: Regenerate.
1743 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1745 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1747 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1749 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1750 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1751 Remove stray newline.
1753 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1755 * config/mips/mips.c (mips_classify_symbol): Do not return
1756 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1757 (mips_in_small_data_p): Tweak comments.
1759 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1761 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1763 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1765 * gimplify.c, sched-int.h: Fix comment typos.
1767 * sched-int.h: Fix comment typos.
1769 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1771 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1773 * sched-ebb.c (begin_schedule_ready): Use them.
1774 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1775 add_to_speculative_block, create_check_block_twin, speculate_insn,
1776 fix_jump_move, move_block_after_check): Ditto.
1777 * sched-rgn.c (new_ready): Ditto.
1779 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1781 PR rtl-optimization/29128
1782 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1783 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1784 allow interblock movement of speculation checks.
1786 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1789 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1790 casted to integer type.
1791 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1792 if they are significantly more expensive than [reg + index] ones.
1794 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1796 PR tree-optimization/29330
1797 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1798 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1799 on newly allocated ddrs.
1800 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1801 to VEC (loop_p, heap) pointer.
1802 (compute_data_dependences_for_loop): Adjust caller.
1803 (free_dependence_relations): Free DDR_LOOP_NEST.
1805 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1806 free DEPENDENCE_RELATIONS and DATAREFS.
1809 * builtins.c (expand_builtin_sync_operation,
1810 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1811 Use convert_to_mode to handle promoted arguments.
1813 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1815 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1817 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1819 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1821 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1823 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1824 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1825 Use <modeconstraint> instead of "r" as operand 1 constraint.
1827 2006-10-06 Olivier Hainque <hainque@adacore.com>
1829 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1830 Don't recurse on the pointed-to type.
1831 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1832 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1833 types with components of variable size.
1835 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1837 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1839 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1841 PR tree-optimization/29290
1842 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1846 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1847 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1850 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1851 the number of vector elements fill the rest with zeros.
1853 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1855 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1856 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1859 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1861 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1862 unnamed pattern into subsi3. Use correct constraints/predicates.
1863 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1864 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1866 2006-10-05 Ira Rosen <irar@il.ibm.com>
1868 * doc/loop.texi: Add data references analysis description.
1870 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1872 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1874 2006-10-04 Richard Henderson <rth@redhat.com>
1875 Jakub Jelinek <jakub@redhat.com>
1877 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1878 * builtin-types.def (BT_WORD): Make unsigned.
1879 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1880 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1881 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1882 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1883 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1884 * cgraph.c (decide_is_variable_needed): Look at force_output.
1885 Recurse for emulated tls.
1886 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1887 checks redundant with decide_is_variable_needed.
1888 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1889 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1891 * expr.c (emutls_var_address): New.
1892 (expand_expr_real_1): Expand emulated tls.
1893 (expand_expr_addr_expr_1): Likewise.
1894 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1895 * output.h (emutls_finish): Declare.
1896 * toplev.c (compile_file): Call it.
1897 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1898 address before wrapping in CONST.
1899 * varasm.c (emutls_htab, emutls_object_type): New.
1900 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1901 (get_emutls_object_name, get_emutls_object_type): New.
1902 (get_emutls_init_templ_addr, emutls_decl): New.
1903 (emutls_common_1, emutls_finish): New.
1904 (assemble_variable): When emulating tls, swap decls; generate
1905 constructor for the emutls objects.
1906 (do_assemble_alias): When emulating tls, swap decl and target name.
1907 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1909 * emutls.c: New file.
1910 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1911 tls_object for real tls.
1913 2006-10-04 Zack Weinberg <zackw@panix.com>
1915 Fix bug in constraint-check generator, reported by Rask Ingemann
1917 * genpreds.c (add_constraint): Don't remove anything from the
1919 (write_tm_constrs_h): Detect whether "op" argument is used, and
1920 mark it ARG_UNUSED if it isn't.
1921 (write_insn_const_int_ok_for_constraint): Skip the part of the
1922 expression that would test whether "op" (which is not available
1923 here) is a CONST_INT.
1925 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1928 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1930 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1932 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1933 current Leopard versions.
1934 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1936 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1938 * doc/install.texi: Fix typos.
1940 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1942 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1943 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1944 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1946 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1948 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1949 arg to be struct mach_header_64* instead.
1951 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1954 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1955 side effects after the outer expression's post side effects.
1957 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1959 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1960 comments to reflect actual behavior and relationship between
1961 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1963 * doc/c-tree.texi (Working with declarations): Fix documentation
1964 of FIELD_DECL likewise.
1966 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1969 * doc/extend.texi: Add used variable attribute description.
1971 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1974 * c.opt (Woverride-init): New.
1975 * c-opts.c (c_common_post_options): Default warn_override_init to
1977 * c-typeck.c (add_pending_init, output_init_element): Warn for
1978 overriding initializers without side effects.
1979 * doc/invoke.texi (-Woverride-init): Document.
1982 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1984 PR rtl-optimization/28096
1985 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1986 assignment has already been used as a destination earlier in the block.
1988 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1990 * builtins.c (expand_builtin_setjmp): Delete.
1991 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1992 <BUILT_IN_SETJMP_SETUP>: New case.
1993 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1994 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1995 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1996 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1997 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1998 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1999 (lower_function_body): Initialize it to false. If it is set to true
2000 at the end of the processing, emit the setjmp dispatcher.
2001 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2002 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2003 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2004 on the rhs of the assignment.
2005 (lower_builtin_setjmp): New function.
2006 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2007 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2008 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2009 to detect calls that can go to non-local labels. Use specific
2010 helper to create the abnormal edges associated with them.
2011 <MODIFY_EXPR>: Likewise.
2012 (make_abnormal_goto_edges): New function extracted from...
2013 (make_goto_expr_edges): ...here. Call it for computed gotos.
2014 (simple_goto_p): Minor tweak.
2015 (tree_can_make_abnormal_goto): New predicate.
2016 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2017 (tree_purge_dead_abnormal_call_edges): New function.
2018 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2019 (tree_purge_dead_abnormal_call_edges): Likewise.
2020 (make_abnormal_goto_edges): Likewise.
2021 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2022 Purge all dead abnormal edges if the call was in the last statement.
2023 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2024 (execute_fixup_cfg): If there are non-local labels in the function,
2025 scan the basic blocks and split them at calls that can go to non-local
2026 labels or add missing abnormal call edges. Write down the CFG in the
2028 (pass_fixup_cfg): Remove TODO_dump_func flag.
2029 * unwind-sjlj.c: Poison setjmp.
2030 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2031 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2032 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2033 (DONT_USE_BUILTIN_SETJMP): Document it.
2035 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2038 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2039 to 1 when __ppc64__ is defined.
2040 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2042 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2044 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2046 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2047 * config/ia64/unwind-hpux.c: Delete.
2049 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2051 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2052 on the element before gimplifying it, instead of punting if it is of
2055 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2057 * doc/loop.texi: New file.
2058 * doc/gccint.texi: Reference loop.texi.
2059 * Makefile.in (loop.texi): Add.
2061 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2063 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2065 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2066 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2068 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2070 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2072 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2074 * doc/install.texi: Document required versions of GMP and MPFR.
2076 2006-09-27 Paul Brook <paul@codesourcery.com>
2079 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2081 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2083 * reload1.c (alter_reg): Require the alignment of the stack slot to
2084 be at least reg_max_ref_width bytes.
2085 (scan_paradoxical_subregs): Record the largest width in
2088 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2092 * tree-nested.c (struct nesting_info): Added static_chain_added.
2093 (convert_call_expr): Set static_chain_added when adding static
2094 chain. Handle OMP_PARALLEL and OMP_SECTION.
2096 2006-09-25 Matthias Klose <doko@debian.org>
2098 * doc/invoke.texi: Add missing full stop.
2100 2006-09-25 Richard Henderson <rth@redhat.com>
2102 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2103 before cgraph_function_flags_ready.
2105 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2106 Adam Nemet <anemet@caviumnetworks.com>
2108 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2109 determine_common_wider_type): New functions.
2110 (get_computation_aff): Use them to simplify arithmetic between
2111 UBASE and CBASE if they are shortened from the same type.
2113 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2116 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2117 -2147483647 - 1 instead of 0x80000000.
2119 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2121 * flags.h (HONOR_NANS): Fix typo in comment.
2123 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2125 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2127 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2131 * tree.c (merge_attributes, attribute_list_contained): If both
2132 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2134 * c-typeck.c (comptypes_internal): Don't consider aggregates
2135 in different TUs as compatible if there one set of attributes is
2136 not a subset of the other type's attributes.
2137 (composite_type): Try harder not to create a new aggregate type.
2139 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2141 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2142 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2143 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2144 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2145 than replicating condition above.
2146 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2148 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2149 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2150 the linker by default.
2152 2006-09-22 Mike Stump <mrs@apple.com>
2154 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2157 2006-09-22 Richard Guenther <rguenther@suse.de>
2160 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2161 sort of stack variables stable.
2163 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2166 * explow.c (force_reg): Set REG_POINTER flag according to
2169 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2171 PR tree-optimization/28888
2172 * tree-if-conv.c (combine_blocks): Rewritten.
2173 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2174 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2176 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2178 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2181 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2183 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2185 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2187 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2189 2006-09-21 Roger Sayle <roger@eyesopen.com>
2192 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2193 dw_fde_current_label, to be the start of the function, i.e. the same
2194 value as dw_fde_begin.
2196 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2198 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2199 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2200 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2201 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2202 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2203 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2204 (abs<mode>2, neg<mode>2): Likewise.
2205 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2206 (*mips_abs_ps): New define_insn.
2208 2006-09-20 Josh Conner <jconner@apple.com>
2211 * calls.c (expand_call): Allow reuse of structure return stack
2214 2006-09-20 Paul Brook <paul@codesourcery.com>
2216 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2219 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2221 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2222 clean up terminology.
2224 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2227 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2228 with tablejumps in them.
2230 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2233 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2234 wrap it into TARGET_EXPR.
2236 2006-09-20 Eric Christopher <echristo@apple.com>
2238 * config/i386/i386.c (x86_fisttp): Remove.
2239 * config/i386/i386.h (x86_fisttp): Ditto.
2240 (TARGET_FISTTP): Ditto.
2242 2006-09-19 Eric Christopher <echristo@apple.com>
2244 * doc/tm.texi (OBJC_JBLEN): Describe.
2245 * config/i386/darwin.h (OBJC_JBLEN): Define.
2246 * config/rs6000/darwin.h: Ditto.
2248 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2250 PR rtl-optimization/21299
2251 * reload1.c (reload): Purge invalid ASMs in the final pass.
2253 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2256 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2257 pointers as legitimate constants.
2259 2006-09-19 Paul Brook <paul@codesourcery.com>
2262 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2264 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2266 PR tree-optimization/28887
2267 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2268 component parts from the reference.
2269 (gather_memory_references_ref): Record the reference without the
2270 nonaddressable component parts.
2272 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2275 * c-opts.c (c_common_handle_option): Ignore the -std options
2276 if the input language is assembly.
2278 2006-09-17 Ira Rosen <irar@il.ibm.com>
2281 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2283 (ptr_ptr_may_alias_p): Likewise.
2284 (record_record_differ_p): New function.
2285 (base_object_differ_p): Call record_record_differ_p.
2287 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2290 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2291 away for the expr argument.
2293 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2296 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2297 before using it for dumping after vectorizing loops.
2299 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2300 Jack Howarth <howarth@bromo.med.uc.edu>
2303 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2304 skip on error_mark_node.
2305 (rs6000_darwin64_record_arg_recurse): Likewise.
2307 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2309 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2310 * doc/rtl.texi: Remove related documentation.
2312 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2314 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2317 2006-09-15 Jim Wilson <wilson@specifix.com>
2319 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2320 Handle symbol offsets same as they are handled in ia64_expand_move
2323 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2325 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2326 Add forgotten parameter to the fprintf call.
2328 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2330 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2332 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2334 * doc/contrib.texi: Add my entry.
2336 2006-09-15 Nick Clifton <nickc@redhat.com>
2338 * doc/md.texi (Processor pipeline description): Fix typo in
2339 example of how to use the absence_set directive and reword the
2340 description to make it slightly easier to read.
2342 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2344 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2345 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2346 expanding the number of iterations.
2347 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2349 * cfgrtl.c (emit_insn_at_entry): New function.
2350 * rtl.h (emit_insn_at_entry): Declare it.
2351 * integrate.c (emit_initial_value_sets): Use it.
2353 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2355 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2357 (struct loop_work and related VEC declarations): Delete.
2358 (bfin_dump_loops): Print out new member bad.
2359 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2360 (bfin_scan_loop): Don't recurse.
2361 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2362 loops. No longer need to update outer loops if the current one is
2363 found bad. Move some validitiy checks to bfin_discover_loop.
2364 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2365 but changed not to check for nesting. Also changed to use the new bad
2367 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2368 time. Use bitmap based test to discover loop nesting.
2370 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2372 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2375 2006-09-14 Richard Guenther <rguenther@suse.de>
2376 Kazu Hirata <kazu@codesourcery.com>
2378 PR middle-end/28884.
2379 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2380 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2381 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2382 with TARGET_FUNCTION_VALUE.
2384 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2387 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2389 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2391 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2394 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2397 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2400 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2402 * basic_block.h (bb_has_eh_pred): Fix comment.
2404 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2406 * flow.c (calculate_global_regs_live): Invalidate eh registers
2407 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2408 (propagate_block): Handle eh registers as if they were set at basic
2410 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2412 * global.c (global_conflicts): Make eh registers to conflict with
2413 pseudos live at basic block begin.
2414 * basic_block.h (bb_has_eh_pred): New function.
2416 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2418 PR rtl-optimization/28982
2419 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2420 index of a PRE_MODIFY or POST_MODIFY address.
2421 * reload1.c (inc_for_reload): Use find_replacement on the original
2422 base and index registers.
2424 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2426 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2427 for -Os. Update __m128 alignment requirement.
2429 2006-09-13 Jan Hubicka <jh@suse.cz>
2431 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2433 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2435 PR rtl-optimization/28243
2436 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2437 the insn to which the note was originally attached.
2439 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2440 Roger Sayle <roger@eyesopen.com>
2442 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2443 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2444 on platforms that don't use dwarf for debug info.
2446 2006-09-12 Jason Merrill <jason@redhat.com>
2449 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2450 hard_frame_pointer_rtx after using it to update the frame pointer.
2452 2006-09-12 Roger Sayle <roger@eyesopen.com>
2454 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2455 (TARGET_ASM_CLOSE_PAREN): Likewise.
2456 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2457 (TARGET_ASM_CLOSE_PAREN): Likewise.
2459 2006-09-12 Roger Sayle <roger@eyesopen.com>
2462 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2463 frame information for frames larger than 512 Kbytes on Tru64 when
2464 using the native assembler.
2466 2006-09-12 Roger Sayle <roger@eyesopen.com>
2470 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2471 and symbols. Instead use the implementation from cse.c's hash_rtx.
2473 2006-09-12 Jan Hubicka <jh@suse.cz>
2475 PR rtl-optimization/28071
2476 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2477 (vect_transform_loop): Likewise.
2478 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2479 (new_loop_vec_info): Likewise.
2480 (destroy_loop_vec_info): Likewise.
2481 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2482 (create_stmt_ann): Likewise.
2483 (create_tree_ann): Rename to ...
2484 (create_tree_common_ann): ... this one; allocate only the common part
2486 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2487 (get_value_handle): Likewise.
2488 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2489 get_tree_common_ann.
2490 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2491 (vinfo_for_stmt): Use stmt annotations.
2492 * tree-flow.h (tree_ann_common_t): New type.
2493 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2494 (tree_ann, get_tree_ann, create_tree_ann): New.
2495 * tree-flow-inline.h (get_function_ann): Do more type checking.
2496 (stmt_ann): Likewise.
2497 (tree_ann): Rename to ...
2498 (tree_common_ann): ... this one; return ony common_ann
2499 (get_tree_ann): Rename to ...
2500 (tree_common_ann): This one; return only common_ann.
2501 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2504 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2506 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2507 with_cpu by default.
2509 * dwarf2out.c (dwarf_file_data): New.
2510 (enum dw_val_class): Add dw_val_class_file.
2511 (struct dw_val_struct): Add val_file.
2512 (file_table): Change to a hash table.
2513 (file_table_emitted): Delete.
2514 (file_table_last_lookup_index): Delete.
2515 (emitcount): Delete.
2516 (last_emitted_file): New.
2517 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2518 (init_file_table): Delete.
2519 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2520 (AT_addr): Add comment.
2524 (print_die): Handle dw_val_class_file.
2525 (print_dwarf_line_table): Update for new file table structure.
2526 (attr_checksum): Do checksum a filename.
2527 (same_dw_val_p, same_attr_p): Do compare a filename.
2528 (size_of_die): Handle dw_val_class_file.
2529 (value_format): Likewise.
2530 (output_die): Likewise. Also, call maybe_emit_file here.
2531 (struct file_info): Constify filenames. Make file_idx a pointer
2532 to a struct dwarf_file_data.
2533 (struct dir_info): Constify directory names. Remove 'used' field.
2534 (struct file_name_acquire_data): New.
2535 (file_name_acquire): New.
2536 (output_file_names): Modify to handle new file data structures.
2537 (add_src_coords_attributes): Use add_AT_file.
2538 (add_call_src_coords_attributes): Likewise.
2539 (dwarf2out_imported_module_or_decl): Likewise.
2540 (gen_subprogram_die): Modify for new file data structures.
2541 (gen_variable_die): Likewise.
2542 (file_table_eq): New.
2543 (file_table_hash): New.
2544 (file_table_last_lookup): New.
2545 (lookup_filename): Rewrite to handle new file data structures.
2546 (maybe_emit_file): Rewrite to handle new file data structures.
2547 (dwarf2out_source_line): Always call lookup_filename and
2549 (dwarf2out_init): Create file_table here.
2550 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2551 (file_table_relative_p): New.
2552 (dwarf2out_finish): Change detection of relative filenames
2553 to work with new file data structures. Move output_line_info call
2554 after debug_info output.
2556 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2561 * config/i386/i386.c (override_options): Always default to 16
2562 byte stack boundary.
2564 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2567 * var-tracking.c (dump_dataflow_set): Start dumping at
2569 (clobber_variable_part): Kill only the variable part in
2570 registers holding it, leaving other variables alone.
2572 2006-09-11 Josh Triplett <josh@freedesktop.org>
2574 * doc/extend.texi (Other Builtins): Actually use the macro
2575 argument in the documentation example for
2576 __builtin_types_compatible_p.
2578 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2580 PR rtl-optimization/28726
2581 * sched-deps.c (sched_analyze_reg): New function extracted from...
2582 (sched_analyze_1): ...here. Call it to analyze references to
2583 registers. Treat again writes to a stack register as writing to the
2585 (sched_analyze_2): ...and here. Call it to analyze references to
2586 registers. Treat again reads of a stack register as reading the
2589 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2590 David Edelsohn <edelsohn@gnu.org>
2593 * config/rs6000/spe.md (frob_df_di): Remove %H.
2594 (frob_di_df): Remove %H. Change evmergelo to mr.
2595 (frob_di_df_2): Remove %H. Change evldd to two loads.
2597 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2599 * doc/cpp.texi: Fix names of charset options.
2601 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2604 * config/i386/i386.c (override_options): Use 128-bit
2605 stack boundary always for 64bits.
2607 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2609 PR rtl-optimization/28636
2610 * combine.c (force_to_mode): Test for side-effects before
2611 substituting by zero.
2612 (simplify_shift_const): Likewise for zero or other constants.
2614 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2617 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2620 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2623 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2624 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2625 returned by mode_for_size, rather than the mode of src itself,
2626 to choose between 32-bit and 64-bit patterns.
2627 (mips_mem_fits_mode_p): New function.
2628 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2629 that the size of the source matches the size of the destination.
2630 (mov_<store>l, mov_<store>r): Likewise.
2632 2006-09-10 Eric Christopher <echristo@apple.com>
2634 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2637 2006-09-09 Eric Christopher <echristo@apple.com>
2640 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2643 2006-09-09 Roger Sayle <roger@eyesopen.com>
2644 Nicolas Setton <setton@adacore.com>
2646 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2648 2006-09-10 Andreas Schwab <schwab@suse.de>
2650 * config/m68k/m68k.md (bungt_rev): New pattern.
2652 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2653 Dale Johannesen <dalej@apple.com>
2656 * regclass.c (struct reg_pref): Update documentation.
2657 (regclass): Set prefclass to NO_REGS if memory is the best option.
2658 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2660 2006-09-08 Eric Christopher <echristo@apple.com>
2662 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2663 * config/t-slibgcc-darwin: Support x86_64 multilib.
2664 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2665 Return 1 for x86_64-darwin.
2666 * config/i386/t-darwin: Add m64 multilib.
2667 (LIB2_SIDITI_CONV_FUNCS): Use.
2668 (LIB2FUNCS_EXTRA): Ditto.
2669 * config/i386/darwin.h: Support x86_64.
2670 * config/i386/i386.c (override_options): Turn on flag_pic
2671 for x86_64-darwin. Disable flag_omit_pointer.
2672 (get_pc_thunk_name): Assert !TARGET_64BIT.
2673 (legitimate_address_p): Disable machopic addressing for
2675 (legitimize_pic_address): Ditto.
2676 (ix86_expand_move): Ditto.
2677 (ix86_expand_call): Ditto.
2678 (machopic_output_stub): Ditto.
2679 * config/darwin.c (machopic_select_section): Support literal16.
2680 (machopic_select_rtx_section): Ditto.
2681 * config/darwin-sections.def: Ditto.
2682 * config/darwin-64.c: New.
2684 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2687 * c-tree.h (struct c_arg_info): Add pending_sizes.
2688 * c-parser.c (c_parser_parms_declarator,
2689 c_parser_parms_list_declarator): Initialize pending_sizes.
2690 * c-decl.c (get_parm_info): Initialize pending_sizes.
2691 (get_parm_info): Set pending_sizes.
2692 (grokdeclarator): Call put_pending_sizes for parameters for
2693 function definition only.
2695 2006-09-07 Jason Merrill <jason@redhat.com>
2698 * varasm.c (output_constant): Only strip actual no-op conversions.
2701 * config/i386/i386.c (override_options): Use 128-bit
2702 stack boundary if -msse.
2704 2006-09-07 Eric Christopher <echristo@apple.com>
2706 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2708 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2711 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2713 * dwarf2out.c: Remove strange characters from comment above
2714 dwarf2out_frame_debug_expr.
2716 2006-09-07 Eric Christopher <echristo@apple.com>
2718 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2719 * config/darwin.h: ... to here.
2721 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2723 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2725 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2726 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2728 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2729 TARGET_PARTIAL_FLAG_REG_STALL.
2730 (*ashldi3_cconly_rex64): Likewise.
2731 (*ashlsi3_cmp): Likewise.
2732 (*ashlsi3_cconly): Likewise.
2733 (*ashlsi3_cmp_zext): Likewise.
2734 (*ashlhi3_cmp): Likewise.
2735 (*ashlhi3_cconly): Likewise.
2736 (*ashlqi3_cmp): Likewise.
2737 (*ashlqi3_cconly): Likewise.
2738 (*ashrdi3_cmp_rex64): Likewise.
2739 (*ashrdi3_cconly_rex64): Likewise.
2740 (*ashrsi3_cmp): Likewise.
2741 (*ashrsi3_cconly): Likewise.
2742 (*ashrsi3_cmp_zext): Likewise.
2743 (*ashrhi3_cmp): Likewise.
2744 (*ashrhi3_cconly): Likewise.
2745 (*ashrqi3_cmp): Likewise.
2746 (*ashrqi3_cconly): Likewise.
2747 (*lshrdi3_cmp_rex64): Likewise.
2748 (*lshrdi3_cconly_rex64): Likewise.
2749 (*lshrsi3_cmp): Likewise.
2750 (*lshrsi3_cconly): Likewise.
2751 (*lshrsi3_cmp_zext): Likewise.
2752 (*lshrhi3_cmp): Likewise.
2753 (*lshrhi3_cconly): Likewise.
2754 (*lshrqi2_cmp): Likewise.
2755 (*lshrqi2_cconly): Likewise.
2757 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2760 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2761 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2762 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2763 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2764 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2765 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2766 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2767 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2768 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2769 implement only CC setting effects of shift instructions.
2771 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2773 * doc/contrib.texi: Add myself.
2775 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2778 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2779 was set by the user.
2781 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2784 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2785 (divsi_inv_m1): Use them.
2786 (UNSPEC_DIV_INV_TABLE): New constant.
2788 2006-09-06 James E Wilson <wilson@specifix.com>
2791 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2792 then call count_or_remove_death_notes.
2794 2006-09-06 Jason Merrill <jason@redhat.com>
2797 * tree-inline.c (copy_result_decl_to_var): New fn.
2798 (declare_return_variable): Use it. Call declare_inline_vars here.
2799 (expand_call_inline): Not here.
2801 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2803 * doc/contrib.texi: Update my entry.
2805 2006-09-06 Nick Clifton <nickc@redhat.com>
2807 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2809 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2812 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2813 (canonicalize_induction_variables): Likewise.
2814 (tree_unroll_loops_completely): Likewise.
2815 (tree_ssa_prefetch_arrays): Likewise.
2816 (remove_empty_loops): Likewise.
2817 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2818 TODO_cleanup_cfg instead of directly calling
2819 cleanup_tree_cfg_loop.
2820 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2822 (tree_unroll_loops_completely): Likewise.
2823 (remove_empty_loops): Likewise.
2824 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2825 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2826 of tree_ssa_unswitch_loops.
2827 (tree_ssa_loop_ivcanon): Use the return value of
2828 canonicalize_induction_variables.
2829 (tree_ssa_empty_loop): Use the return value of
2831 (tree_complete_unroll): Use the return value of
2832 tree_unroll_loops_completely.
2833 (tree_ssa_loop_prefetch): Use the return value of
2834 tree_ssa_prefetch_arrays.
2835 * passes.c (execute_todo): Before Cleanup CFG, set
2836 updating_used_alone and after cleanup CFG, call
2837 recalculate_used_alone.
2839 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2842 * tree-vect-transform.c (vectorizable_condition): Move the check
2843 for the type after the check for simple condition.
2845 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2846 Kaz Kojima <kkojima@gcc.gnu.org>
2849 * mode-switching.c (optimize_mode_switching): Make the destination
2850 block of an abnormal edge have no anticipatable mode. Don't
2851 insert mode switching code at the end of the source block of
2854 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2856 PR rtl-optimization/26847
2857 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2858 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2859 (simplify_plus_minus): Count n_constants while filling ops. Replace
2860 qsort with insertion sort. Before going through the array to simplify
2861 pairs, sort it. Delay early exit until after the first sort, exiting
2862 only if no swaps occurred. Simplify pairs in reversed order, without
2863 special-casing the first iteration. Pack ops after simplifying pairs.
2865 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2867 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2868 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2869 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2870 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2872 2006-09-05 Richard Guenther <rguenther@suse.de>
2874 PR tree-optimization/28900
2875 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2876 compound conditional before creating COND_EXPR condition.
2878 2006-09-05 Richard Guenther <rguenther@suse.de>
2880 PR tree-optimization/28905
2881 * tree-vrp.c (fix_equivalence_set): Manually implement
2882 !value_ranges_intersect_p to also handle symbolic ranges.
2884 2006-09-05 Richard Guenther <rguenther@suse.de>
2887 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2890 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2892 PR rtl-optimization/27616
2893 * cse.c (table_size): New static variable.
2894 (new_basic_block): Initialize it to 0.
2895 (remove_from_table): Decrement it.
2896 (insert): Increment it.
2897 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2898 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2899 fold_rtx_mem_1 if under the cap.
2900 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2901 the lookup of the equivalent expression and test for equality of the
2902 first operand of the equivalent expression before in turn looking up
2903 an equivalent constant for the second operand.
2905 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2908 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2909 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2910 pointer, instead of assuming it is possible to derive the
2911 correct args size from a call insn.
2913 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2916 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2917 (fold_builtin_mempcpy): Rename to...
2918 (fold_builtin_memory_op): ... this. Optimize one element copy
2920 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2922 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2923 (expand_builtin_memcpy, expand_builtin_mempcpy,
2924 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2925 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2926 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2927 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2929 2006-09-01 DJ Delorie <dj@redhat.com>
2931 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2932 (stzx_16): Likewise.
2933 ("stzx_24_<mode>"): Likewise.
2934 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2935 ("cmp<mode>_op"): New.
2936 (cmp<mode>): Change to expander; just save operands.
2938 (b<code>): Change to expander, emit compare here.
2939 (s<code>_op): Change to use split and expander.
2940 (s<code>_24_op): Likewise.
2941 (s<code>_<mode>): New.
2942 (s<code>_<mode>_24): New.
2943 (movqicc_<code>_<mode): New.
2944 (movhicc_<code>_<mode>): New.
2947 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2948 (m32c_pend_compare): New.
2949 (m32c_unpend_compare): New.
2950 (m32c_expand_scc): New.
2951 (m32c_expand_movcc): Emit the compare also.
2952 * config/m32c/predicates.md (mra_nopp_operand): New.
2954 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2955 Richard Guenther <rguenther@suse.de>
2956 Adam Nemet <anemet@caviumnetworks.com>
2959 * builtins.c (get_pointer_alignment): Handle more forms
2960 of base addresses that can be used to derive more precise
2961 information about alignment.
2963 2006-09-01 Jason Merrill <jason@redhat.com>
2966 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2969 * gimplify.c (voidify_wrapper_expr): Handle null type.
2971 2006-09-01 Josh Conner <jconner@apple.com>
2974 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2975 (execute_return_slot_opt): Use it.
2977 2006-08-31 Josh Conner <jconner@apple.com>
2980 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2981 returning aggregates.
2983 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2985 PR tree-optimization/28839
2986 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2987 blocks in that phi arguments appear.
2989 2006-08-31 Roger Sayle <roger@eyesopen.com>
2992 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2993 NULL, otherwise use an advance_loc4 to adjust relative to the
2995 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2996 (dwarf2out_switch_text_section): Reset the current label to avoid
2997 using advance_loc4 over section boundaries.
2999 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3002 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3003 r12 + SYMBOLIC_CONST.
3005 2006-08-30 Richard Guenther <rguenther@suse.de>
3007 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3009 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3011 PR rtl-optimization/27735
3012 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3013 Add new argument to keep track of whether an irreducible region
3014 was affected. All callers changed.
3015 (fix_irreducible_loops): Removed.
3016 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3017 flags were invalidated.
3019 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3021 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3022 instead of SF operands.
3023 (*fop_df_comm_sse): Likewise.
3024 (*fop_df_comm_i387): Likewise.
3025 (*fop_df_1_mixed): Likewise.
3026 (*fop_df_1_sse): Likewise.
3028 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3029 J"orn Rennecke <joern.rennecke@st.com>
3031 PR tree-optimization/17506
3032 * tree-ssa.c (warn_uninit): If warning about a location outside of
3033 the current function, note where the variable was declared.
3035 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3037 PR tree-optimization/28411
3038 * double-int.c (double_int_div): Use double_int_divmod.
3039 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3040 double_int_mod, double_int_smod, double_int_umod): New functions.
3041 * double-int.h (double_int_divmod, double_int_sdivmod,
3042 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3044 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3046 (get_computation_aff, get_computation_cost_at): Handle double_int
3047 return type of constant_multiple_of.
3049 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3052 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3053 an implicit conversion.
3055 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3057 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3059 2006-08-27 Roger Sayle <roger@eyesopen.com>
3061 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3064 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3066 * config/i386/crtfastmath.c: Fix a comment typo.
3068 2006-08-26 Roger Sayle <roger@eyesopen.com>
3070 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3071 temporary visit flags on CASE_LABEL_EXPRs.
3072 * c-common.c (match_case_to_enum): Add function comment. Avoid
3073 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3074 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3075 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3076 a constant, only warn if that constant value isn't handled.
3078 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3081 * input.h (restore_input_file_stack): Declare.
3082 (INPUT_FILE_STACK_BITS): Define.
3083 * toplev.c (fs_p, input_file_stack_history,
3084 input_file_stack_restored, restore_input_file_stack): New.
3085 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3086 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3087 (pop_srcloc): Don't free old state of stack.
3089 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3092 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3093 (PowerPC Type Attributes): New.
3095 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3097 * config/xtensa/xtensa.c (function_arg_boundary): New.
3098 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3100 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3101 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3103 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3106 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3109 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3111 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3112 (verify_local_live_at_start): Likewise.
3114 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3117 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3118 omp_add_variable): Treat sizes as variable whenever not
3121 2006-08-26 Richard Guenther <rguenther@suse.de>
3124 * fold-const.c (fold_binary): Fold temporary to correct
3125 type before constructing new comparison.
3127 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3130 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3131 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3133 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3136 * c-decl.c (start_function): Don't try to process prototype
3137 information from old declaration that isn't a function.
3139 2006-08-25 Jan Hubicka <jh@suse.cz>
3142 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3144 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3147 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3150 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3152 PR tree-optimization/16876
3153 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3154 exit if PARM doesn't match VALUE.
3156 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3158 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3159 literal_prefix directive.
3160 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3161 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3162 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3164 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3167 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3168 predicate to general_operand. Add 0->y and I->r alternatives.
3170 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3172 * doc/tm.texi: Fix a typo.
3173 * predict.c: Fix comment typos.
3175 2006-08-25 Nick Clifton <nickc@redhat.com>
3177 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3178 assertions of "cpu" and "machine".
3180 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3183 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3184 the access through a base which has an alias set of 0 cannot
3187 2006-08-24 Bill Wendling <wendling@apple.com>
3189 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3191 2006-08-24 Jan Hubicka <jh@suse.cz>
3193 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3195 2006-08-24 Jan Hubicka <jh@suse.cz>
3198 * cgraph.c: Fix comments.
3199 (cgraph_varpool_mark_needed_node): Mark only variables not already
3201 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3202 (cgraph_varpool_assembled_nodes_queue): New static variable.
3203 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3204 (cgraph_varpool_output_debug_info): New function.
3205 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3206 * Makefile.in: Add gt-cgraphunit.h
3208 2006-08-24 Jan Hubicka <jh@suse.cz>
3210 * predict.c (probability_reliable_p): New predicate.
3211 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3212 (predict_loops): Do not predict loop exit with less than 2%
3214 * basic-block.h (edge_probability_reliable_p,
3215 br_prob_note_reliable_p): Declare.
3216 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3217 prediction when static predictor is not reliable.
3218 * rs6000.c (output_cbranch): Likewise.
3220 2006-08-23 Stuart Hastings <stuart@apple.com>
3223 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3224 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3226 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3229 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3230 complex values, nor for generic vector values.
3232 2006-08-22 Richard Guenther <rguenther@suse.de>
3235 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3236 parameter. Convert arguments to arithmetic expression to the
3238 (analyze_scalar_evolution_1): Adjust caller.
3240 2006-08-22 Jan Hubicka <jh@suse.cz>
3242 Patch by Paolo Bonzini
3243 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3246 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3248 PR tree-optimization/28003
3249 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3250 before grouping aliases.
3252 2006-08-22 Roger Sayle <roger@eyesopen.com>
3254 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3255 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3257 2006-08-21 Jason Merrill <jason@redhat.com>
3260 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3261 wrapper. Loop to handle nested wrappers.
3262 (gimplify_bind_expr): Remove temp parameter.
3263 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3264 and STATEMENT_LIST on the rhs.
3265 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3266 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3267 (gimplify_target_expr): Remove special BIND_EXPR handling.
3269 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3271 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3274 2006-08-21 Olivier Hainque <hainque@adacore.com>
3276 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3277 Arrange for the temporary captures of components overlapping the lhs
3278 to happen before the lhs is possibly cleared.
3280 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3282 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3283 necessary places to pass the correct "number of registers" values
3286 2006-08-20 Jan Hubicka <jh@suse.cz>
3288 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3289 (create_name_tags): Instead of quadratic checking use hashtable.
3290 * bitmap.h: Include hashtab.h.
3291 (bitmap_hash): Declare.
3292 * bitmap.c (bitmap_hash): New function.
3294 2006-08-20 Jan Hubicka <jh@suse.cz>
3296 PR rtl-optimization/28071
3297 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3299 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3300 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3301 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3302 cgraph_decide_inlining_incrementally): Update use of
3303 cgraph_check_inline_limits.
3304 * cgraph.c (edge_hash, edge_eq): New function.
3305 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3306 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3307 cgraph_remove_node): Maintain call site hash.
3308 * cgraph.h (struct cgraph_node): Add call_site_hash.
3309 (cgraph_set_call_stmt): New function.
3311 2006-08-20 Jan Hubicka <jh@suse.cz>
3313 PR rtl-optimization/28071
3314 * reload1.c (reg_has_output_reload): Turn into regset.
3315 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3316 choose_reload_regs, emit_reload_insns): Update to new
3317 reg_has_output_reload.
3319 2006-08-20 Jan Hubicka <jh@suse.cz>
3322 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3323 function body sizes.
3324 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3326 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3329 * tree.c (handle_dll_attribute): Return early if not a
3330 var or function decl.
3332 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3335 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3336 alignment of SPE vector types.
3338 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3340 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3342 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3345 * cgraph.h (struct cgraph_node): Remove externally_visible
3347 * cgraphunit.c (process_function_and_variable_attributes): Set
3348 local.externally_visible rather than externally_visible.
3351 * c-common.c (handle_externally_visible_attribute): First look
3352 at TREE_CODE and only if it is function or var decl, check for
3353 non-public objects. Don't warn for DECL_EXTERNAL.
3354 * cgraphunit.c (process_function_and_variable_attributes): Warn
3355 if externally_visible attribute is used on non-public object.
3357 2006-08-17 Jan Hubicka <jh@suse.cz>
3359 PR tree-optimization/27865
3360 * reload1.c (forget_marked_reloads): New function.
3361 (forget_old_reloads_1): When data are passed, just mark the registers
3363 (reload_as_needed): Use the new mechanizm.
3365 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3368 * reload.h (reg_equiv_alt_mem_list): New declaration.
3369 * reload1.c (reg_equiv_alt_mem_list): New definition.
3370 (reload): Initialize it and release it.
3371 (delete_output_reload): Use it.
3372 * reload.c (push_reg_equiv_alt_mem): New function.
3373 (find_reloads_toplev): Call it.
3374 (find_reloads_address, find_reloads_address_1): Likewise.
3375 (find_reloads_subreg_address): Likewise.
3377 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3379 PR rtl-optimization/28489
3380 * sched-ebb.c (begin_schedule_ready): Create basic block
3382 (advance_target_bb): Skip empty blocks.
3383 * haifa-sched.c (bb_note): Make global.
3384 * sched-int.h (bb_note): Add prototype.
3386 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3388 PR tree-optimization/27865
3389 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3391 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3392 fold_used_pointer, pointer_used_p): New functions.
3393 (analyze_scalar_evolution_1): Use fold_used_pointer.
3394 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3395 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3398 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3401 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3402 or the INTEGER_CST. Fail on a CALL_EXPR.
3403 (fold_offsetof): Pass new argument to fold_offsetof_1.
3404 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3405 operand into an INDIRECT_REF.
3406 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3408 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3410 PR gcov/profile/26570
3411 * value-prof.c (static_values): Removed.
3412 (tree_find_values_to_profile): Do not set static_values.
3413 (find_values_to_profile): Do not free static_values.
3414 * profile.c (instrument_values): Do not free the values.
3415 (branch_prob): Free the values.
3417 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3419 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3421 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3424 * c-typeck.c (build_component_ref): Combine qualifiers of
3425 structure or union and field.
3427 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3429 PR rtl-optimization/28071
3430 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3431 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3432 * tree-into-ssa.c (struct dom_dfsnum): New.
3433 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3435 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3436 compute_global_livein.
3437 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3438 in phi nodes in the correct blocks.
3440 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3442 PR tree-optimization/28364
3443 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3445 (fold_affine_expr): New function.
3446 (may_eliminate_iv): Use fold_affine_expr.
3448 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3451 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3454 2006-08-16 Mike Stump <mrs@apple.com>
3456 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3457 * doc/cppopts.texi (-MD): Likewise.
3459 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3462 * c-common.c (handle_weak_attribute): Ignore and warn if
3463 not a FUNCTION_ or VAR_DECL.
3465 2006-07-15 Mike Stump <mrs@apple.com>
3468 * c-parser.c (c_parser_typeof_specifier): Don't use
3469 c_finish_expr_stmt, open code desired semantics instead.
3471 2006-08-15 Nick Clifton <nickc@redhat.com>
3473 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3474 fragment to tmake_file only if threads are enabled.
3475 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3476 * config/i386/t-gthr-win32: New file. ... here.
3478 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3481 * c-parser.c (c_parser_compound_statement_nostart): Reset
3482 parser->error after each statement.
3484 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3487 * omp-low.c (lower_omp_parallel): Convert t to
3488 receiver_decl's type.
3489 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3490 source before comparison.
3493 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3494 to itype in assignment to oldival2.
3496 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3500 * c-typeck.c (build_compound_expr): If the second expression
3501 is an error mark, then just return an error mark instead of
3502 creating a COMPOUND_EXPR.
3504 2006-07-14 Mike Stump <mrs@apple.com>
3506 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3508 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3510 * c-decl.c, var-tracking.c: Fix comment typos.
3512 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3514 PR rtl-optimization/28634
3515 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3516 for floating-point modes unless flag_unsafe_math_optimizations.
3518 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3519 Andrew Pinski <pinskia@physics.uc.edu>
3522 * tree.c (build_array_type): Unify array types with
3523 unspecified index_type.
3524 * c-decl.c (grokdeclarator): Make sure we do not modify a
3525 unified incomplete array type.
3526 * c-typeck.c (store_init_value): Create distinct type before
3527 filling in the index type in an initializer from a compound
3530 * c-decl.c (grokdeclarator): Remove code where we copy the
3533 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3535 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3536 into account for TODO_dump_cgraph.
3537 (TODO_update_ssa_no_phi): Likewise.
3538 (TODO_update_ssa_full_phi): Likewise.
3539 (TODO_update_ssa_only_virtuals): Likewise.
3540 (TODO_remove_unused_locals): Likewise.
3541 (TODO_set_props): Likewise.
3542 (TODO_update_stmt_usage): Likewise.
3544 2006-08-13 Dirk Mueller <dmueller@suse.de>
3546 * c-common.c (strict_aliasing_warning): Fix formatting.
3548 2006-08-13 Matthias Klose <doko@debian.org>
3550 * doc/invoke.texi: Fix spelling errors.
3552 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3554 PR rtl-optimization/23454
3555 * reorg.c (relax_delay_slots): Update comment.
3557 2006-08-11 Richard Guenther <rguenther@suse.de>
3560 * simplify-rtx.c (simplify_const_relational_operation):
3561 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3564 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3566 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3567 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3569 2006-08-10 Paul Brook <paul@codesourcery.com>
3571 * final.c (final_scan_insn): Clear current_insn_predicate before
3572 outputting inline asm.
3574 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3576 PR tree-optimization/26197
3577 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3578 get_ref_base_and_extent and overlap_subvar to add only relevant
3579 subvars as may-aliases.
3580 (add_may_alias_for_new_tag): New function, factored out of
3582 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3583 with additional argument.
3584 * tree-flow.h (new_type_alias): Takes additional argument.
3586 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3588 * gcov.c (no_data_file): New flag.
3589 (read_count_file): Set it if data file not present. Assume counts
3591 (output_lines): Don't name the data file, if there wasn't one.
3593 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3595 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3596 (rs6000_generate_compare): Tweak comments.
3597 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3599 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3601 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3602 (var_debug_decl): New function.
3603 (var_reg_set): Follow debug decl link. Add location even if
3604 reg is already known to hold some other variable.
3605 (var_mem_set): Follow debug decl link.
3606 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3607 decl link. Delete other known locations of the variable part
3609 (var_reg_delete, var_mem_delete): Delete other known locations
3610 of the variable part if requested.
3611 (same_variable_part_p): New function.
3612 (add_stores): Select MO_COPY when appropriate.
3613 (vt_initialize): Handle it.
3614 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3615 known locations for MO_SET and MO_CLOBBER.
3616 (find_variable_location_part): New function.
3617 (set_variable_part, delete_variable_part): Use it.
3618 (clobber_variable_part): New function.
3619 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3622 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3624 PR tree-optimization/26969
3625 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3626 with an empty list of PHIs.
3628 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3632 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3635 2006-08-06 Andreas Schwab <schwab@suse.de>
3637 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3638 string. Whitespace and comment fixup.
3640 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3643 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3647 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3650 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3652 2006-08-04 Jan Hubicka <jh@suse.cz>
3656 * reload.c (push_reload): Patch out the mismatching instruction;
3658 (find_reload): Bail out if the instruction was patched out.
3660 2006-08-04 Jan Hubicka <jh@suse.cz>
3662 PR tree-optimization/24888
3663 * tree-inline.c (expand_call_inline): Do not re-record variables.
3664 (declare_inline_vars): Add variable to unexpanded_var_list.
3666 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3667 Roger Sayle <roger@eyesopen.com>
3669 PR rtl-optimization/26244
3670 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3671 inner_const are negative or greater than or equal to the bitsize of
3672 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3673 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3674 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3675 CONST0_RTX (mode) when the new shift count is greater than or equal to
3676 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3679 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3681 * tree-cfg.c: Fix a comment typo.
3683 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3686 * varasm.c (output_constant): Give the front end another chance to
3687 expand constants, after stripping NOPs.
3689 2006-08-03 Jan Hubicka <jh@suse.cz>
3691 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3694 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3696 PR tree-optimization/27770
3697 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3698 declaration removed (moved to tree-flow.h).
3699 (vect_can_force_dr_alignment_p): Likewise.
3700 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3701 (moved from tree-vectorizer.h).
3702 (vect_can_force_dr_alignment_p): Likewise.
3703 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3704 from outside the vectorizer - in particular from cgraph stage.
3705 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3706 the alignment of global arrays when -fsection-anchors is enabled.
3707 * cgraphunit.c (cgraph_increase_alignment): New function.
3708 (cgraph_optimize): Call cgraph_increase_alignment.
3710 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3713 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3714 not reload a SPE symbol_ref into a lo_sum address.
3716 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3719 * dwarf2out.c (prune_unused_types_prune): Move call to
3720 prune_unused_types_update_strings to cover the parent DIE also.
3722 2006-08-02 Jan Hubicka <jh@suse.cz>
3724 PR gcov/profile/28480
3725 * tree-cfg.c (change_bb_for_stmt): New function.
3726 (tree_merge_blocks, tree_split_blocks): Use it.
3728 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3734 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3735 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3736 (cgraph_optimize): Likewise.
3738 2006-08-01 Stuart Hastings <stuart@apple.com>
3740 * rtl.h (UINTVAL) New.
3741 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3742 * testsuite/gcc.dg/20060801-1.c: New.
3744 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3747 * c-typeck.c (build_external_type): Mark used enum types.
3748 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3750 (gen_subprogram_die): Whitespace fix.
3752 2006-08-01 Jan Hubicka <jh@suse.cz>
3754 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3755 bitmap when not needed.
3756 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3759 2006-08-01 Dirk Mueller <dmueller@suse.de>
3761 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3763 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3765 * Makefile.in: Revert part of previous patch:
3766 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3769 2006-07-30 Eric Christopher <echristo@apple.com>
3772 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3773 (PowerPC Variable Attributes): New section.
3775 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3777 PR target/28126 (partial fix)
3778 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3780 2006-07-28 Jan Hubicka <jh@suse.cz>
3782 PR rtl-optimization/28071
3783 * cfgrtl.c (rtl_delete_block): Free regsets.
3784 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3786 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3788 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3789 and variables used in dependencies.
3791 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3793 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3794 %fs for -mcmodel=kernel.
3795 (stack_tls_protect_test_di): Likewise.
3797 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3799 * Makefile.in: Use mkinstalldirs.
3801 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3804 * opts-common.c (prune_options): Skip joined switches.
3806 2006-07-27 Jan Hubicka <jh@suse.cz>
3808 PR rtl-optimization/28071
3809 * cselib.c (cselib_process_insn): Don't remove useless values too
3810 often for very large hashtables.
3812 2006-07-27 Jan Hubicka <jh@suse.cz>
3814 PR rtl-optimization/28071
3815 * global.c (greg_obstack): New obstack.
3816 (allocate_bb_info): Use it.
3817 (free_bb_info): Likewise.
3818 (modify_reg_pav): Likewise.
3820 2006-07-27 Roger Sayle <roger@eyesopen.com>
3822 * builtins.c (fold_fixed_mathfn): When long and long long are the
3823 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3824 functions to their lceil*, lfloor*, lround* and lrint* forms.
3826 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3829 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3831 (rev_branch_insn): Likewise.
3833 2006-07-27 Jan Hubicka <jh@suse.cz>
3835 PR rtl-optimization/28071
3836 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3837 (reg_set_in_bb, max_reg_computed): New static variables.
3838 (regmove_optimize): Free the new array.
3839 (fixup_match_1): Update call of reg_is_remote_constant_p.
3841 2006-07-26 Jan Hubicka <jh@suse.cz>
3843 PR tree-optimization/27882
3844 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3846 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3848 (cgraph_analyze_compilation_unit): Likewise.
3849 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3850 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3851 (cgraph_early_inlinine): Make order garbage collected.
3852 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3854 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3856 * dbxout.c (output_types_sort): Add a comment.
3857 (output_used_types): Free the VEC.
3859 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3861 * function.c (reorder_fix_fragments): Delete.
3862 (reorder_blocks): Don't call it.
3863 (reorder_blocks_1): Put all subblocks under the origin block.
3865 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3867 PR rtl-optimization/27907
3868 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3871 2006-07-25 Roger Sayle <roger@eyesopen.com>
3874 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3875 bar(x) check that bar's result type can represent all the values of T.
3877 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3879 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3881 2006-07-25 Nick Clifton <nickc@redhat.com>
3883 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3884 size_lookup[] array.
3885 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3886 (ggc_pch_count_object): Likewise.
3887 (ggc_pch_alloc_object): Likewise.
3888 (ggc_pch_write_object): Likewise.
3889 (init_ggc): Do not attempt to initialize entries in the
3890 size_lookup[] array for objects whose size is greater than than
3891 the length of the array.
3893 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3895 * dbxout.c (output_used_types_helper): Push queued types
3897 (output_types_sort): New.
3898 (output_used_types): Collect used types on a VEC and sort them
3901 2006-07-24 Richard Guenther <rguenther@suse.de>
3904 * cgraph.c (cgraph_remove_node): Do not check if dumps
3906 * cgraphunit.c (cgraph_optimize): Likewise.
3908 2006-07-24 Jan Hubicka <jh@suse.cz>
3910 PR rtl-optimization/28071
3911 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3912 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3913 splitting before first stmt.
3915 2006-07-24 Jan Hubicka <jh@suse.cz>
3917 PR rtl-optimization/28071
3918 * ipa-inline.c (update_caller_keys): Remove edges that
3919 are no longer inline candidates.
3921 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3924 * dbxout.c (output_used_types_helper, output_used_types): New.
3925 (dbxout_symbol): Call output_used_types.
3927 2006-07-23 Jan Hubicka <jh@suse.cz>
3931 * cgraph.c (cgraph_varpool_nodes): Export.
3932 (decide_is_variable_needed): Ignored "used" attribute in
3933 unit-at-a-time mode.
3934 * cgraph.h (cgraph_varpool_nodes): Declare.
3935 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3936 unit-at-a-time mode.
3938 2006-07-23 Roger Sayle <roger@eyesopen.com>
3941 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3942 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3943 the __gthrw form of thr_keycreate.
3944 (__gthread_key_delete): Silence the unused argument warning.
3946 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3949 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3950 Cache the last found '\0' marker to avoid quadratic behavior.
3952 2006-07-23 Jan Hubicka <jh@suse.cz>
3954 * i386.md (subsi_3_zext): Fix output template.
3956 2006-07-21 Mike Stump <mrs@apple.com>
3958 * doc/invoke.texi (C++ Dialect Options): Note that
3959 -fvisibility-inlines-hidden doesn't affect explicitly
3960 instantiationed inline methods.
3962 2006-07-20 Roger Sayle <roger@eyesopen.com>
3964 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3965 if the target assembler is GNU binutils' gas.
3966 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3967 whether to pass GNU gas or native as command line options.
3969 2006-07-20 Jason Merrill <jason@redhat.com>
3971 * tree.c (remove_attribute): New fn.
3972 * tree.h: Declare it.
3974 2006-07-20 Paul Brook <paul@codesourcery.com>
3977 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3978 they are invalidated by this instruction.
3980 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3983 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3985 2006-07-20 Eric Christopher <echristo@apple.com>
3988 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3990 2006-07-19 Eric Christopher <echristo@apple.com>
3992 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3993 Rewrite dependencies for libgcc_s.1.dylib.
3995 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3997 * except.c (duplicate_eh_regions_1): Clear next_peer.
3999 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4001 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4002 -mlongcall does not guarantee all calls will be long.
4003 * doc/extend.texi (long_call/short_call): Document that longcall
4004 does not guarantee a long call will be used.
4005 (longcall/shortcall): Likewise.
4007 2006-07-18 Roger Sayle <roger@eyesopen.com>
4010 * expmed.c (expand_shift): Additionally check that the shift_cost
4011 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4012 before implementing a LSHIFT_EXPR as a sequence of additions.
4013 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4014 middle-end that DImode shifts need to be synthesized by expand.
4016 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4019 * tree-ssa-operands.c (access_can_touch_variable): Update
4021 Return true if ALIAS is .GLOBAL_VAR.
4023 2006-07-18 David Daney <ddaney@avtrex.com>
4025 * gcc.c (display_help): Fix typo in help text.
4027 2006-07-18 Olivier Hainque <hainque@adacore.com>
4029 * tree.h (categorize_ctor_elements): Adjust prototype and add
4030 descriptive comment, both in accordance with the interface change
4032 * varasm.c (constructor_static_from_elts_p): New function.
4033 Whether a constructor node is a valid static constant initializer
4034 if all its elements are.
4035 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4036 * output.h: Declare it.
4037 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4038 is a valid constant initializer instead of computing the number of
4039 non-constant elements. Use constructor_static_from_elts_p for this
4040 purpose. Replace the head comment with an indication that this is a
4041 helper for categorize_ctor_elements.
4042 (categorize_ctor_elements): Same interface change as for the _1
4043 helper. Former head comment from this helper moved here, adjusted to
4044 account for the interface changes.
4045 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4046 (all_zeros_p): Likewise.
4047 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4048 static versions of the constructor from the categorize_ctor_elements
4049 return value instead of the formerly computed number of non-constant
4052 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4054 * configure: Regenerate.
4055 * Makefile.in (build_libsubdir): New configure substitution
4056 (build_libobjdir): New variable.
4057 (BUILD_LIBIBERTY): Use it.
4059 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4062 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4064 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4067 * c-common.c (handle_weakref_attribute): Ignore attribute in
4068 the same conditions the alias attribute is ignored.
4070 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4072 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4073 (dbxout_begin_prologue): Increment scope_labelno.
4075 2006-07-17 Richard Henderson <rth@redhat.com>
4078 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4081 2006-07-17 Roger Sayle <roger@eyesopen.com>
4082 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4084 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4085 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4086 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4087 functions such as sbrk, write, etc.. Add function prototypes.
4088 Convert function declarations from K&R to ISO C. Cast pointers
4089 to "long" and "unsigned long" instead of "int" and "unsigned int".
4090 Convert tokens following #endif into comments.
4092 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4094 * invoke.texi: Remove mention of f77; Reformat table for
4095 inline parameter options correctly; mention that -malign-double
4096 is default on x86-64 targets.
4098 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4100 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4101 (convert_affine_scev, chrec_convert_aggressive): Use
4102 avoid_arithmetics_in_type_p. Do not check for the subtypes
4105 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4108 * optabs.c (expand_doubleword_shift): Wrap the call to
4109 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4111 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4114 * optabs.c (expand_binop): Pass next_methods rather than methods
4115 to expand_doubleword_shift.
4117 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4120 * tree.h (dump_addr): Declare.
4121 * print-tree.c (dump_addr): New function.
4122 (print_node_brief, print_node): Use it.
4123 * print-rtl.c (print_rtx): Likewise.
4124 * common.opt (-fdump-noaddr): New option.
4125 * doc/invoke.texi (-fdump-noaddr): Document.
4126 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4127 (ve_info_hash): Likewise.
4129 2006-07-13 Andrew Haley <aph@redhat.com>
4131 PR tree-optimization/19505
4132 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4133 edge leaving this block, make sure that the destination of this
4134 block has only one predecessor.
4136 2006-07-17 Richard Guenther <rguenther@suse.de>
4138 PR tree-optimization/28238
4139 * tree-inline.c (copy_bb): Check if we produced valid
4140 gimple copying and substituting a stmt. If not, gimplify
4143 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4145 * optabs.c (maybe_encapsulate_block): New function extracted from...
4146 (emit_libcall_block): ...here. Invoke it on the block of insns to
4147 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4148 (emit_no_conflict_block): Likewise.
4150 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4152 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4154 2006-07-15 Roger Sayle <roger@eyesopen.com>
4156 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4157 a new NOP_EXPR case of the switch statement.
4159 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4162 * stor-layout.c (place_field): Take the bit field with
4163 an excessive size into account in the ms-bitfiled case.
4166 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4167 the previous bit field.
4169 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4172 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4174 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4176 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4177 signal frames correctly even when the signal was installed with
4180 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4182 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4183 (dbxout_function_end): Use local label LFBB. Remove hook
4185 (dbxout_source_line): Use local label LFBB.
4186 (dbxout_block): Likewise.
4187 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4188 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4189 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4190 and DBX_OUTPUT_NFUN.
4192 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4194 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4196 2006-07-13 Jan Hubicka <jh@suse.cz>
4198 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4200 * output.h (align_variable): Declare.
4201 * varasm.c (align_variable): Export.
4202 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4203 when basic block changed.
4205 2006-07-13 Nick Clifton <nickc@redhat.com>
4207 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4208 walking the LOG_LINKS chain.
4210 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4212 * doc/invoke.texi (C++ Dialect Options): Explain difference
4213 between -fvisibility-inlines-hidden and setting hidden
4214 visibility explicitly.
4216 2006-07-12 Eric Christopher <echristo@apple.com>
4218 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4219 (stmp-lipo): Depend on libgcc.a.
4221 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4223 * tree.c: Fix a comment typo.
4225 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4227 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4229 (umulhisi3_r): Likewise.
4231 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4234 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4235 x < 19, vs wchar_t support.
4237 2006-07-12 Nick Clifton <nickc@redhat.com>
4239 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4240 instead of -isa=sh4.
4242 2006-07-12 Mike Stump <mrs@apple.com>
4244 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4246 2006-07-10 Eric Christopher <echristo@apple.com>
4248 * config/t-slibgcc-darwin: Rewrite.
4250 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4253 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4256 2006-07-08 Matthias Klose <doko@debian.org>
4258 * doc/sourcebuild.texi: Fix typo.
4260 2006-07-07 Mike Stump <mrs@apple.com>
4262 * toplev.c (process_options): Don't give -ffunction-sections may
4263 affect debugging warning for Mach-O.
4265 2006-07-07 James E Wilson <wilson@specifix.com>
4267 * config/mips/mips.md (cpu): Add sb1a.
4268 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4269 addition to sb1. Adjust comments to clarify SB-1A differences from
4271 (ir_sb1a_load): New. Modify bypasses to use it.
4272 (ir_sb1a_simple_alu): Likewise.
4273 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4274 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4275 (mips_issue_rate): Add PROCESSOR_SB1A.
4276 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4277 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4278 (TARGET_SB1): Add PROCESSOR_SB1A check.
4279 (TUNE_SB1): Likewise.
4281 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4282 * config/mips/mips.c (mips_store_data_bypass_p): New.
4283 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4284 store_data_bypass_p.
4286 2006-07-08 Paul Brook <paul@codesourcery.com>
4289 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4291 2006-07-07 Richard Guenther <rguenther@suse.de>
4294 * tree.h (build_one_cst): Declare.
4295 * tree.c (build_one_cst): New function.
4296 * tree-ssa-math-opts.c (get_constant_one): Remove.
4297 (insert_reciprocals): Use build_one_cst.
4298 * fold-const.c (fold_plusminus_mult): Likewise.
4300 2006-07-07 Roger Sayle <roger@eyesopen.com>
4302 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4303 * cfgloopanal.c (dump_graph): Likewise.
4304 * dojump.c (discard_pending_stack_adjust): Likewise.
4305 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4307 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4308 * function.c (finalize_block_changes): Likewise.
4309 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4310 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4311 * rtl.c (dump_rtx_statistics): Likewise.
4312 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4314 * varray.c (dump_varray_statistics): Likewise.
4315 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4316 decode_decimal64, encode_decimal128, decode_decimal128,
4317 decimal_real_to_decimal): Likewise.
4319 2006-07-07 Richard Guenther <rguenther@suse.de>
4321 PR tree-optimization/28187
4322 * tree-vrp.c (vrp_operand_equal_p): New function.
4323 (vrp_bitmap_equal_p): Likewise.
4324 (update_value_range): Use them to compare old and new
4327 2006-07-06 Roger Sayle <roger@eyesopen.com>
4329 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4330 a default case to switch statement to silence compiler warnings.
4332 2006-07-06 Roger Sayle <roger@eyesopen.com>
4335 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4336 the configured assembler supports the x87's ffreep mnemonic.
4337 * configure: Regenerate.
4338 * config.in: Regenerate.
4340 * config/i386/i386.c (output_387_ffreep): New function.
4341 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4342 (output_387_reg_move): Likewise.
4344 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4346 Port to hosts whose 'sort' and 'tail' implementations
4347 treat operands with leading '+' as file names, as POSIX
4348 has required since 2001. However, make sure the code still
4349 works on pre-POSIX hosts.
4350 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4351 which says you should use "tail -c +N" rather than "tail +Nc".
4352 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4354 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4356 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4359 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4362 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4363 PRE_{INC,DEC} of TFmode.
4365 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4366 Alan Modra <amodra@bigpond.net.au>
4369 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4372 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4375 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4376 Remove duplicate gtu.
4378 2006-07-05 Jason Merrill <jason@redhat.com>
4382 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4383 * c-common.c (handle_packed_attribute): So don't copy it here.
4384 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4386 2006-07-05 Mike Stump <mrs@apple.com>
4388 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4390 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4393 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4395 2006-07-05 Richard Guenther <rguenther@suse.de>
4398 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4399 TARGET_SSE2 targets if using SSE math.
4400 (*absdf2_1): Likewise.
4402 2006-07-05 Richard Guenther <rguenther@suse.de>
4404 PR tree-optimization/28162
4405 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4406 make sure to convert the operands to the correct type.
4408 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4410 PR tree-optimization/28218
4412 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4413 to calculate and free the dominator information.
4415 2006-07-04 Peter O'Gorman <peter@pogma.com>
4417 * mklibgcc.in: chmod 644 before ranlib during install.
4419 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4420 J"orn Rennecke <joern.rennecke@st.com>
4422 * configure.ac (.eh_frame data check): Use diff -b.
4424 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4427 * Makefile.in (BUILD_RTL): Add build/vec.o.
4428 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4429 (build/genextract): Delete.
4430 (build/genautomata): Likewise.
4432 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4435 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4436 128-bit IBM long doubles for ABI_V4.
4438 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4440 * tree.c (range_in_array_bounds_p): New predicate.
4441 * tree.h (range_in_array_bounds_p): Declare it.
4442 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4443 return a less conservative answer.
4444 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4445 and flag 'is_group'.
4446 (IS_ELEMENT_FOR_GROUP): New macro.
4447 (FOR_EACH_ACTUAL_CHILD): Likewise.
4448 (next_child_for_group): New helper function.
4449 (can_completely_scalarize_p): Take into account groups.
4450 (sra_hash_tree): Handle RANGE_EXPR.
4451 (sra_elt_eq): Likewise.
4452 (lookup_element): Be prepared for handling groups.
4453 (is_valid_const_index): Delete.
4454 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4455 instead of is_valid_const_index.
4456 <ARRAY_RANGE_REF>: New case.
4457 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4458 is_valid_const_index.
4459 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4460 (scan_dump): Dump info for groups too.
4461 (decide_instantiation_1): Likewise.
4462 (decide_block_copy): Assert that the element is not a group.
4463 Propagate decision to groups.
4464 (generate_one_element_ref): Handle RANGE_EXPR.
4465 (mark_no_warning): Iterate over actual childs.
4466 (generate_copy_inout): Likewise.
4467 (generate_element_copy): Likewise.
4468 (generate_element_zero): Likewise.
4469 (generate_element_init_1): Likewise.
4470 (dump_sra_elt_name): Handle RANGE_EXPR.
4472 2006-07-03 Roger Sayle <roger@eyesopen.com>
4474 PR tree-optimization/26251
4475 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4476 (thread_block): When optimizing for size refuse to thread jumps
4477 that would require duplication of blocks other than redirection
4480 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4482 * configure.ac: Fix thinko in previous check-in.
4483 * configure: Regenerate.
4485 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4488 * configure.ac (for lang...): Simplify nesting of conditionals.
4489 Test subdir_requires for non-enabled languages. Move processing
4490 of lang_opt_files and lang_tree_fiels below that test.
4491 * configure: Regenerate.
4492 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4494 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4496 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4498 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4500 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4503 2006-06-29 Jason Merrill <jason@redhat.com>
4510 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4511 * c-common.c (c_determine_visibility): Handle it here.
4512 * c-decl.c (finish_decl): Call c_determine_visibility for
4514 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4516 * varasm.c (default_assemble_visibility): Likewise.
4517 * c-common.c (handle_visibility_attribute): Complain about trying
4518 to give visibility to an already defined class, or trying to change
4519 declared visibility. Always attach the attribute.
4524 * attribs.c (decl_attributes): Ignore type-in-place attributes
4525 once the type has been defined.
4527 2006-06-29 Roger Sayle <roger@eyesopen.com>
4530 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4531 to indicate the cpplib has issued an error message for us.
4533 2006-06-29 Asher Langton <langton2@llnl.gov>
4536 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4537 insert a label at the end of an function under Mach-O.
4539 2006-06-29 Eric Christopher <echristo@apple.com>
4540 Evan Cheng <evan.cheng@apple.com>
4542 * predicates.md (vector_all_ones_operand): New.
4543 (nonimmediate_or_sse_const_operand): Ditto.
4544 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4545 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4546 (standard_sse_mode_p): Ditto.
4547 (standard_sse_constant_p): Add case for -1 vector.
4548 (ix86_expand_vector_move): Try to use.
4549 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4550 Call standard_sse_constant_opcode.
4551 (*movv4sf_internal): Ditto.
4552 (*movv2df_internal): Ditto.
4554 2006-06-29 Roger Sayle <roger@eyesopen.com>
4556 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4557 of XEXP to extract the operands of a MATCH_CODE rtx.
4559 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4561 * tree.c (tree_size): Do not waste tail padding in
4562 struct tree_string and make the size be the same as
4563 build_string will generate.
4565 2006-06-28 Jason Merrill <jason@redhat.com>
4568 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4569 may_aliases already in the tag's annotations to the bitmap.
4571 2006-06-28 Roger Sayle <roger@eyesopen.com>
4573 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4575 2006-06-28 Roger Sayle <roger@eyesopen.com>
4577 * genpreds.c (generate_switch_p): New function.
4578 (add_mode_tests): Push the new mode test down inside an AND expr
4579 if this allows the switch-suitable MATCH_CODE to be near the root.
4580 (write_match_code_switch): New function to write a MATCH_CODE as
4582 (write_predicate_stmts): New function to write a predicate RTX
4583 expression as a sequence of statements.
4584 (write_one_predicate_function): Use write_predicate_stmts.
4585 (write_tm_constrs_h): Likewise.
4587 2006-06-26 Fred Fish <fnf@specifix.com>
4589 * config/mips/t-sb1: New file.
4590 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4593 2006-06-26 DJ Delorie <dj@redhat.com>
4595 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4597 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4598 Jayant Sonar <jayants@kpitcummins.com>
4599 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4601 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4602 (subsi3, subsi3_1, subsi3_2): New.
4603 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4604 * config/m32c/mov.md (SI mov peephole): New.
4605 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4606 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4608 2006-06-26 Olivier Hainque <hainque@adacore.com>
4610 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4611 a CALL_EXPR target function declaration.
4613 2006-06-26 Richard Guenther <rguenther@suse.de>
4615 * tree.c (build_string): Do not waste tail padding in
4618 2006-06-26 Richard Guenther <rguenther@suse.de>
4620 * ggc-page.c (init_ggc): Add missing element to size_lookup
4624 2006-06-23 Richard Guenther <rguenther@suse.de>
4626 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4627 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4628 alignment requests instead. Add verification code.
4629 Add struct tree_function_decl and struct tree_binfo size to
4630 extra_order_size_table. Add missing element to size_lookup
4633 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4636 * fold-const.c (const_binop): Be prepared for self returning zero.
4637 Simplify code handling complex values.
4639 2006-06-24 Olivier Hainque <hainque@adacore.com>
4641 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4642 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4645 2006-06-24 Olivier Hainque <hainque@adacore.com>
4647 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4648 ARRAY_REF, so have the callback called for the low bound expression.
4650 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4652 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4653 * c-typeck.c (c_common_type): Disallow operations on decimal float
4654 types and other float types.
4655 * convert.c (convert_to_real): Don't ignore conversions involving
4656 decimal float types.
4658 2006-06-23 Olivier Hainque <hainque@adacore.com>
4660 * tree.c (max_int_size_in_bytes): New function, inspired from
4661 code in function.c:assign_temp.
4662 * tree.h (max_int_size_in_bytes): Declare.
4663 * function.c (assign_temp): Use it.
4664 * gimplify.c (create_tmp_var): Relax the assertions on the type
4665 properties, not mandating constant size any more.
4666 (force_constant_size): New static function.
4667 (gimple_add_tmp_var): Use it, forcing variable size to a
4668 constant upper bound if it is not constant on entry.
4670 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4673 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4674 for initialization and setting of one_only flag to ...
4675 (i386_pe_encode_section_info): ...here.
4676 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4677 Recheck that the symbol has not been defined.
4679 2006-06-23 Richard Guenther <rguenther@suse.de>
4681 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4682 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4683 alignment requests instead. Add verification code.
4684 Add struct tree_function_decl and struct tree_binfo size to
4685 extra_order_size_table. Add missing element to size_lookup
4688 2006-06-22 Roger Sayle <roger@eyesopen.com>
4689 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4692 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4693 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4695 2006-06-23 Ben Elliston <bje@au.ibm.com>
4697 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4698 negate dn -- manipulate it directly.
4700 2006-06-22 Roger Sayle <roger@eyesopen.com>
4701 Steven Bosscher <stevenb.gcc@gmail.com>
4704 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4705 generated by gen_move_insn to add REG_LABEL notes if necessary.
4707 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4709 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4710 (leaf_entry): Remove use of MIN_ESA.
4712 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4714 PR rtl-optimization/28121
4715 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4718 2006-06-21 DJ Delorie <dj@redhat.com>
4720 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4722 (mulhisi3_r): Likewise.
4724 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4727 * coverage.c (coverage_counter_alloc): Leave the index type
4729 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4732 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4734 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4735 section from the "Options for Code Generation Conventions".
4737 2006-06-21 Richard Henderson <rth@redhat.com>
4741 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4743 (global_symbolic_operand): Allow weak symbols, even if local_p.
4745 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4747 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4748 (find_interesting_uses_address): Punt if above function returns true.
4750 2006-06-21 Richard Guenther <rguenther@suse.de>
4752 * configure: Regenerated.
4754 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4756 * config/mips/mips.c (function_arg): Where one part of a
4757 complex argument is in registers and the other part in the stack,
4758 return a REG not a PARALLEL.
4760 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4762 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4763 when cross-compiling. Do not substitute libstdcxx_incdir.
4764 * configure: Regenerated.
4766 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4768 * varasm.c (mergeable_string_section): Check for embedded NULs and
4769 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4770 rather than TREE_STRING_LENGTH bytes.
4772 2006-06-21 Richard Guenther <rguenther@suse.de>
4774 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4775 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4778 2006-06-21 Richrad Guenther <rguenther@suse.de>
4780 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4781 Limit iteration over the dominators.
4783 2006-06-20 Roger Sayle <roger@eyesopen.com>
4785 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4786 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4788 2006-06-20 Richard Guenther <rguenther@suse.de>
4789 Michael Matz <matz@suse.de>
4791 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4793 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4794 * et-forest.h (et_free_pools): Prototype new function.
4795 * et-forest.c (et_free_tree_force): Free parent occurrence.
4796 (et_free_pools): New function.
4797 * dominance.c (free_dominance_info): Free et-forest alloc
4800 2006-06-20 Roger Sayle <roger@eyesopen.com>
4802 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4803 integer modes, attempt to directly construct an integer constant.
4805 * fold-const.c (native_encode_vector): Determine the size of each
4806 element from the vector type instead of the first vector element.
4808 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4809 if all of its elements/components are constant.
4810 (build_constructor_from_list): Likewise.
4812 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4814 PR tree-optimization/27331
4815 * tree-data-ref.c (free_data_ref): New function.
4816 (create_data_ref): Fail if the data reference has unknown access
4818 (free_data_refs): Use free_data_ref.
4820 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4823 * tree-inline.c (setup_one_parameter): Strip useless
4824 type conversion before adding it to the IR.
4825 (declare_return_variable): Likewise.
4827 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4830 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4832 2006-06-19 Mike Stump <mrs@apple.com>
4834 * tree.c (variably_modified_type_p): VM arguments don't make the
4837 2006-06-19 Richard Guenther <rguenther@suse.de>
4839 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4840 type conversions after folding.
4842 2006-06-19 Richard Guenther <rguenther@suse.de>
4844 * ggc-page.c (extra_order_size_tab): Add entries with
4845 size of struct function and basic_block.
4846 (size_lookup): Extend to cover sizes up to 511.
4847 (ggc_alloc_stat): Adjust user.
4848 (ggc_pch_count_object): Likewise.
4849 (ggc_pch_alloc_object): Likewise.
4850 (ggc_pch_write_object): Likewise.
4852 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4854 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4855 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4858 2006-06-19 Denis Chertykov <denisc@overta.ru>
4860 * config/avr/libgcc.S : Correct my wrong previous commit.
4862 2006-06-19 Roger Sayle <roger@eyesopen.com>
4865 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4866 have stripped a SUBREG from the shift count, so we may need to
4867 convert_to_mode back to the type's mode before calling make_tree.
4868 Use new_amount instead of amount to avoid expanding a tree twice.
4870 2006-06-19 Richard Guenther <rguenther@suse.de>
4873 * fold-const.c (operand_equal_p): Check if the argument types
4874 have the same precision before stripping NOPs.
4876 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4878 Fix PR tree-optimization/27341
4879 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4881 * tree-complex.c (pass_lower_complex): Update SMT usage.
4883 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4885 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4886 Add a new alternative to the constraint strings. Add move of
4887 operand 1 to 3 to the splitter definition.
4888 ("doloop_si_long"): Second contraint alternative removed.
4890 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4892 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4893 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4895 (AVR_HAVE_MOVW) Define.
4896 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4897 (ASM_SPEC): Add avr25.
4898 (LINK_SPEC): Add avr25.
4899 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4900 (base_arch_s): Add new member 'have_movw_lpmx'.
4901 (avr_arch_types): Init 'have_movw_lpmx'.
4902 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4903 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4904 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4905 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4906 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4908 (avr_file_start): Do not output '.arh' derective.
4909 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4910 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4911 * config/avr/avr.md (mcu_enhanced): Delete.
4912 (mcu_have_movw): Define.
4913 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4914 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4915 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4916 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4917 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4918 attiny861 and at86rf401 devices.
4920 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4922 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4925 2006-06-17 Karl Berry <karl@gnu.org>
4927 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4928 doc/gccint.texi, doc/install.texi (@dircategory): Use
4929 "Software development" instead of "Programming", following
4930 the Free Software Directory.
4932 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4934 * config/i386/i386.c (legitimate_tls_address)
4935 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4936 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4937 (*tls_dynamic_gnu2_combine_64): Likewise.
4939 2006-06-16 Richard Guenther <rguenther@suse.de>
4942 * fold-const.c (negate_expr_p): Do not introduce undefined
4943 overflow in negating INTEGER_CSTs.
4944 (fold_negate_expr): Rename from negate_expr. Revert last
4945 change for folding BIT_NOT_EXPR. Change semantics to
4946 return NULL_TREE for non-simplified negations. Do not
4947 strip type conversions and unify type handling.
4948 (negate_expr): New function, wrap around fold_negate_expr
4949 but ensure building a tree always. Strip type conversions
4950 here, fold to result type.
4951 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4953 2006-06-16 Roger Sayle <roger@eyesopen.com>
4956 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4957 that (would) return their results in stack registers.
4959 2006-06-16 Michael Matz <matz@suse.de>
4960 Richard Guenther <rguenther@suse.de>
4962 * fold-const.c (fold_truthop): Only return new tree node if
4963 we canonicalized something.
4965 2006-06-16 Richard Guenther <rguenther@suse.de>
4967 * function.h (enum function_frequency): Move declaration
4968 out of struct function.
4969 (struct function): Move bool fields and the enum to the bitfield
4970 section. Reorder elements to avoid padding. Remove unused
4971 fields left over from the RTL inliner removal.
4972 * function.c (free_after_compilation): Do not zero removed fields.
4973 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4974 (ipa-type-escape.o): Likewise.
4976 2006-06-16 Richard Guenther <rguenther@suse.de>
4978 * cgraph.h (struct cgraph_local_info): Turn bool elements
4980 (struct cgraph_node): Likewise.
4981 (struct cgraph_varpool_node): Likewise.
4983 2006-06-15 Richard Guenther <rguenther@suse.de>
4985 * fold-const.c (fold_truth_not_expr): Rename from
4986 invert_truthvalue. Give it fold_* semantics to avoid
4988 (invert_truthvalue): New function. Wrapper around
4989 fold_truth_not_expr.
4990 (optimize_minmax_comparison): Avoid creating garbage.
4991 (fold_unary): Use fold_truth_not_expr for folding
4993 (fold_ternary): Replace uses of invert_truthvalue with
4994 fold_truth_not_expr where applicable.
4995 * tree.h (fold_truth_not_expr): Prototype.
4997 2006-06-16 Richard Guenther <rguenther@suse.de>
4999 PR tree-optimization/27781
5000 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5001 * ipa-pure-const.c (target.h): Include.
5002 (analyze_function): Do not analyze functions that do not
5005 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5008 * tree-dfa.c (referenced_vars_dup_list): Remove.
5009 (find_referenced_vars): Remove assert.
5010 (referenced_var_check_and_insert): Replace dup list with assert.
5011 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5012 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5014 2006-06-15 Richard Guenther <rguenther@suse.de>
5016 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5017 extra unused identifiers if not dumping.
5018 (create_variable_info_for): Likewise.
5020 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5022 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5023 (derive_constant_upper_bound): Derive more precise upper bound in
5024 common cases. Return type changed to double_int.
5025 (record_estimate): Reflect the changed return type of
5026 derive_constant_upper_bound.
5027 * double-int.c (double_int_zext, double_int_sext): Fix.
5029 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5031 * configure.ac (CFLAGS): Get them from the toplevel or from the
5032 configure invocation.
5033 * configure: Regenerate.
5034 * Makefile.in (CFLAGS): Substitute value provided by configure.
5036 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5039 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5040 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5041 rather than calling add_stmt on it.
5042 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5044 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5047 * reload1.c (reload): Remove registers returned by update_eliminables
5048 from used_spill_regs.
5050 2006-06-13 DJ Delorie <dj@redhat.com>
5052 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5054 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5056 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5057 html__strip_dir, html__mkdir_p. Enhance install-html target.
5058 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5059 * configure: Regenerate.
5061 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5063 * fold-const.c (fold_cond_expr_with_comparison): Check for
5064 Objective-C++ as language in deciding COND_EXPR transformation.
5066 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5069 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5070 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5071 * config/sh/lib1funcs.h (SL, SL1): Define.
5072 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5073 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5074 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5075 (OBJS_Os_4_200): New variable.
5076 ($(T)libgcc-Os-4-200.a): Use it.
5077 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5078 when dividing 1 and/or by 0.
5080 2006-06-13 Roger Sayle <roger@eyesopen.com>
5082 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5083 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5084 * configure: Regenerate.
5086 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5088 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5089 for real instruction.
5091 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5094 * haifa-sched.c (check_cfg): Handle special case.
5096 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5099 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5100 Add debug_info parameter. Chain the vars to the BLOCK instead
5101 of the BIND_EXPR if debug info are requested for them.
5102 (pop_gimplify_context): Adjust for above change.
5103 (gimple_add_tmp_var): Likewise.
5104 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5106 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5107 (convert_local_reference): Likewise.
5108 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5109 (finalize_nesting_tree_1): Request that debug info be emitted
5110 for debug_var_chain.
5112 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5114 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5115 for PR target/27863.
5117 2006-06-13 Richard Guenther <rguenther@suse.de>
5120 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5122 2006-06-13 Richard Guenther <rguenther@suse.de>
5124 PR tree-optimization/27830
5125 * tree-inline.c (copy_body_r): For copying the operand
5126 of an ADDR_EXPR make sure to fold &* afterwards.
5128 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5130 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5131 lvalues in the fb_none case with side-effects.
5133 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5135 * tree-flow.h: Remove the prototype for
5136 compute_phi_arg_on_exit.
5137 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5138 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5141 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5143 * builtins.c (expand_builtin_return_addr): Only use
5144 frame_pointer_rtx when count == 0 and we are expanding
5145 __builtin_return_address.
5147 2006-06-12 Fred Fish <fnf@specifix.com>
5149 * config/mips/mips.c (mips_file_start): Create special section
5150 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5152 2006-06-11 Eric Christopher <echristo@apple.com>
5155 * stor-layout.c (place_field): Remove check for
5156 remaining_in_alignment when aligning at the end of a run.
5158 2006-06-11 Eric Christopher <echristo@apple.com>
5161 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5164 2006-06-11 Roger Sayle <roger@eyesopen.com>
5167 Revert incorrect fix for PR target/27158
5168 2006-05-08 Roger Sayle <roger@eyesopen.com>
5169 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5170 of a reg_equiv_constant if the result is a legitimate constant.
5172 2006-06-11 Roger Sayle <roger@eyesopen.com>
5175 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5176 extract a CONST_VECTOR element and interpret it as an integer.
5177 (vspltis_constant): Use const_vector_elt_as_int instead of the
5178 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5179 * config/rs6000/predicates.md (easy_vector_const): Consider
5180 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5182 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5185 * stor-layout.c (update_alignment_for_field): Don't add extra
5186 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5189 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5191 * config/mips/t-rtems: Add EL/EB multilib variants.
5193 2006-06-09 Mike Stump <mrs@apple.com>
5195 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5197 2006-06-09 David Daney <ddaney@avtrex.com>
5199 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5201 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5203 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5205 2006-06-09 Richard Guenther <rguenther@suse.de>
5207 PR tree-optimization/26998
5208 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5209 of signed types, only TYPE_MIN_VALUE is special, but for both,
5210 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5211 in this case, as is -fwrapv.
5213 2006-06-08 Mike Stump <mrs@apple.com>
5216 * config/darwin.c (darwin_asm_output_anchor): Disable
5217 -fsection-anchors on darwin for now.
5218 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5219 * rs6000/rs6000.c (optimization_options): Likewise.
5221 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5224 * config/i386/i386.c (classify_argument): Skip fields with invalid
5227 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5229 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5230 (cse_insn): Likewise for the stack_pointer_rtx.
5232 2006-06-08 Roger Sayle <roger@eyesopen.com>
5234 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5235 conditions from floating point comparisons.
5237 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5240 * expmed.c (struct alg_hash_entry): Fix type of field T
5241 to match synth_mult argument.
5242 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5244 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5247 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5250 2006-06-08 Richard Guenther <rguenther@suse.de>
5253 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5254 only, if overflow is defined and not trapping.
5255 (negate_expr): Likewise.
5257 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5259 PR tree-optimization/27872
5260 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5261 flag on the new exit edge of the unrolled loop.
5263 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5265 PR rtl-optimization/26449
5266 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5268 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5271 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5272 referenced_variables with matching DECL_UID's.
5273 (find_referenced_vars): Make sure duplicate list is empty to start.
5274 (referenced_var_p): Remove.
5275 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5276 Check if var is in the list, and add if needed. Update the duplicate
5277 list if a different var is in the list with the same DECL_UID.
5278 (add_referenced_var): Call routine to check and insert.
5279 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5280 * tree-flow.h (referenced_vars_dup_list): External declaration.
5282 2006-06-07 Fred Fish <fnf@specifix.com>
5284 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5287 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5290 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5291 the imaginary and real parts of a clobbered register.
5292 Emit insn to set the imaginary part.
5294 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5296 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5297 in lieu of unwind-dw2-fde.c.
5299 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5301 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5303 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5306 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5307 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5308 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5309 V4SImode temporaries and operations instead.
5311 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5313 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5316 2006-06-06 Mike Stump <mrs@apple.com>
5318 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5319 installing during build.
5321 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5323 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5325 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5326 * config/ia64/ia64.c (params.h): New header.
5327 (ia64_optimization_options): New function to adjust parameters.
5328 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5329 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5330 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5332 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5334 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5336 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5339 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5341 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5342 Victor Kaplansky <victork@il.ibm.com>
5344 PR tree-optimization/26360
5345 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5348 2006-06-04 Roger Sayle <roger@eyesopen.com>
5349 Andrew Pinski <pinskia@physics.uc.edu>
5352 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5353 for LABEL_DECL before calling DECL_WEAK.
5356 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5357 LABEL_DECL and PARM_DECL.
5359 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5363 * c-decl.c (grokdeclarator): Disallow variably modified types at
5364 file scope. Avoid marking shared array type of constant size as
5367 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5370 * c-common.c (fold_offsetof_1): Handle static members.
5372 2006-06-04 Eric Christopher <echristo@apple.com>
5374 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5375 (debug_rli): Output value for remaining_in_alignment.
5376 (update_alignment_for_field): Unconditionalize
5377 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5378 extra alignment code.
5379 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5380 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5381 * tree.h (record_layout_info_s): Remove prev_packed.
5382 * doc/extend.texi (ms_struct): Add documentation of format.
5384 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5386 * tree.h: Declare folding_initializer.
5387 * builtins.c (fold_builtin_constant_p): Give definite answer
5388 if folding inside an initializer.
5389 * fold-const.c: Define folding_initializer.
5390 (START_FOLD_INIT): Save and then set folding_initializer.
5391 (END_FOLD_INIT): Restore folding_initializer.
5393 2006-06-04 Richard Guenther <rguenther@suse.de>
5395 PR tree-optimization/27039
5396 * fold-const.c (fold_comparison): Handle pointer comparison
5397 again for all comparison codes. Compare offsets in signed
5399 (fold_binary): Move code from here.
5401 2006-06-03 Roger Sayle <roger@eyesopen.com>
5404 * config/i386/i386.c (construct_container): Split static issued_error
5405 flag into issued_sse_arg_error, issued_sse_ret_error and
5406 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5407 requires the use of x87 registers and the user explicitly
5408 specified the -mno-80387 command line option.
5410 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5412 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5413 HAVE_DECL_SIGALTSTACK.
5415 (segv_handler): Use MC_FLD.
5416 * configure.ac: Check for a sigaltstack declaration.
5417 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5418 * configure: Regenerate.
5419 * config.in: Regenerate.
5421 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5424 * Makefile.in (stmp-fixinc): Fix typo.
5426 2006-06-02 Roger Sayle <roger@eyesopen.com>
5428 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5429 are type correct. Clean-up.
5430 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5431 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5433 2006-06-01 DJ Delorie <dj@redhat.com>
5435 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5436 shift, as we've disabled the "switch" insn that needs it.
5438 2006-06-01 Per Bothner <bothner@bothner.com>
5440 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5441 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5442 * c-ppoutput.c (cb_define): Don't increment line 0.
5444 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5446 * doc/invoke.texi: Add cpu_type power6.
5447 * config.gcc: Add cpu_type power6.
5448 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5449 to power5+ with Altivec.
5450 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5451 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5453 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5455 * config/avr/avr.h (SET_ASM_OP): Define.
5457 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5459 * config/bfin/bfin.c: Fix comment typos.
5461 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5464 * doc/install.texi: Document --enable-bootstrap and
5465 --disable-bootstrap.
5467 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5469 * doc/install.texi: Document that InfoZIP can replace jar.
5471 2006-05-31 Roger Sayle <roger@eyesopen.com>
5473 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5474 isn't available, directly generate the simpler x87 patterns without
5475 the (use (const_int 0)).
5476 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5477 implementation isn't available.
5478 (*negdf2_1): Likewise.
5479 (*negxf2_1): XF mode negation is always done using the x87.
5480 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5482 2006-05-31 Roger Sayle <roger@eyesopen.com>
5484 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5485 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5487 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5489 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5491 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5492 * config/bfin/bfin.c (basic-block.h): Include.
5493 (struct machine_function): New.
5494 (bfin_init_machine_status): New.
5495 (override_options): Initialize init_machine_status.
5496 (bfin_hardware_loop): New.
5497 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5498 (DEF_VEC_P (loop_info)): New.
5499 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5500 (struct loop_info): New.
5501 (loop_info): New typedef.
5502 (struct loop_work): New.
5503 (loop_work): New typedef.
5504 (DEF_VEC_O (loop_work)): New.
5505 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5506 (bfin_dump_loops): New.
5507 (bfin_bb_in_loop): New.
5508 (bfin_scan_loop): New.
5509 (bfin_optimize_loop): New.
5510 (bfin_reorg_loops): New.
5511 (bfin_reorg): Use bfin_reorg_loops.
5512 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5514 (I_REGNO_P): Simplify.
5515 (DP_REGNO_P, DPREG_P): New macros.
5516 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5517 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5518 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5519 Add LT_REGS, LC_REGS, LB_REGS.
5520 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5522 (REGNO_REG_CLASS): Deal with loop registers.
5523 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5525 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5526 New constants for loop registers.
5527 (UNSPEC_LSETUP_END): New.
5528 (seq_insns): New define_attr. Set it for appropriate insns.
5529 (movsi_insn): Add alternatives for move from/to
5530 loop count registers.
5531 (doloop_end): New define_expand.
5532 (loop_end): New define_insn.
5533 (define_split for bad doloop_end): New.
5534 (lsetup_with_autoinit): New define_insn.
5535 (lsetup_without_autoinit): New define_insn.
5536 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5537 * config/bfin/predicates.md (lc_register_operand): New.
5538 (lt_register_operand): New.
5539 (lb_register_operand): New.
5540 (nondp_register_operand): New.
5541 (nondp_reg_or_memory_operand): New.
5542 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5544 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5546 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5547 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5549 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5551 * Makefile.in (CATALOGS): Add po/ prefix.
5552 * configure: Regenerated.
5554 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5557 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5558 a shift operand before calling shift_op. Avoid redundant call of
5561 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5562 DJ Delorie <dj@redhat.com>
5564 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5565 we're inserting is a singlt-bit constant.
5567 2006-05-30 Roger Sayle <roger@eyesopen.com>
5569 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5570 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5572 2006-05-30 Roger Sayle <roger@eyesopen.com>
5574 PR tree-optimization/23452
5575 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5576 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5577 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5578 complex values and with -ffast-math for FP complex values.
5580 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5582 * c-common.h: Remove the prototype for yyparse.
5583 * rtl.h: Remove the prototype for init_loop.
5585 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5587 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5590 2006-05-30 Roger Sayle <roger@eyesopen.com>
5592 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5594 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5595 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5597 2006-05-30 Dirk Mueller <dmueller@suse.de>
5600 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5601 for CONSTANT_CLASS_P expresisons.
5603 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5606 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5608 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5610 PR tree-optimization/27779
5611 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5612 initial_condition instead of CHREC_LEFT.
5614 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5616 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5617 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5618 Make prototypes ISO C90.
5620 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5621 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5623 * see.c (see_analyze_one_def): Correct check.
5624 (see_get_extension_data): Check if extension is parallel.
5625 (see_get_extension_reg): Likewise.
5627 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5630 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5631 into register for (code == GTU).
5633 2006-05-29 Roger Sayle <roger@eyesopen.com>
5635 PR tree-optimization/24964
5636 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5637 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5638 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5639 abs(x)*abs(x) as x*x for scalar floating point modes.
5641 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5644 * lambda-code.c (perfect_nestify): Don't copy statements
5645 in the inner loop: move them to the inner loop header.
5647 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5650 * c-tree.texi: Document OpenMP directives and clauses.
5652 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5654 * varasm.c (globalize_decl): Fix indentation.
5656 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5659 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5660 pass_fre, pass_store_ccp, pass_copy_prop,
5661 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5662 pass_return_slot, pass_object_size, pass_lim,
5663 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5664 pass_loop_prefetch and pass_stdarg.
5666 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5668 * config/bfin/bfin.opt (mfdpic): New option.
5669 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5670 (EXTRA_MULTILIB_PARTS): Likewise.
5671 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5672 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5674 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5675 (CRT_CALL_STATIC_FUNCTION): New.
5676 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5678 (CRT_CALL_STATIC_FUNCTION): New.
5679 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5681 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5682 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5683 (initialize_trampoline): Changed to handle FD-PIC code generation.
5684 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5685 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5686 (override_options): Disallow -mid-shared-library -mfdpic combination.
5687 Can't do unaligned ops if FD-PIC.
5688 Turn off flag_pic if trying to generate non-id-shared-library
5689 non-fdpic code, since it's not supported.
5690 (bfin_assemble_integer): New function.
5691 (TARGET_ASM_INTEGER): Define.
5692 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5694 * config/bfin/crtn.s: Restore them.
5695 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5697 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5698 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5699 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5700 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5701 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5703 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5704 FDPIC_REGS and FDPIC_FPTR_REGS.
5705 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5706 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5707 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5708 (load_funcdescsi): New pattern.
5709 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5710 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5711 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5713 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5715 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5718 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5720 * tree-flow.h: Remove the prototype for add_type_alias.
5721 * tree-ssa-alias.c (add_type_alias): Remove.
5723 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5725 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5726 config/fr30/fr30.md, config/i386/i386-interix.h,
5727 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5728 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5729 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5730 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5731 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5732 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5733 Follow spelling conventions.
5734 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5735 Follow spelling conventions.
5737 2006-05-27 Richard Guenther <rguenther@suse.de>
5740 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5741 to produce a constant of value 1 of generic type.
5743 2006-05-27 Dirk Mueller <dmueller@suse.de>
5745 * cgraphunit.c (decide_is_function_needed): Fix wrong
5748 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5750 PR rtl-optimization/27661
5751 * reload.c (find_reloads): When reloading a VOIDmode constant
5752 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5753 use Pmode as mode of the reload register.
5755 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5757 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5758 is enabled at -O and above.
5760 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5763 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5766 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5769 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5770 for anonymous variables explicitly declared by front ends.
5772 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5774 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5775 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5776 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5777 ref-all pointers, run a finalization pass for them.
5778 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5779 (finalize_ref_all_pointers): New function.
5780 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5781 regular pointer type to a ref-all pointer type.
5782 (get_tmt_for): Return the special memory tag for ref-all pointers.
5784 2006-05-25 Richard Guenther <rguenther@suse.de>
5787 * fold-const.c (fold_binary): Do not look at the stripped
5788 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5790 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5792 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5793 for LT and GT if the computed range is effectively empty.
5795 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5798 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5799 mips_quad_format formats instead of ieee_single_format,
5800 ieee_double_format and ieee_quad_format formats, respectively.
5802 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5804 PR tree-optimization/27639
5805 PR tree-optimization/26719
5806 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5807 call to scev_probably_wraps_p.
5808 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5809 used_in_pointer_arithmetic_p, convert_step): Removed.
5810 (nowrap_type_p): New function.
5811 (scev_probably_wraps_p): Rewritten.
5812 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5813 chrec_convert if chrec_convert_aggressive might have been used.
5814 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5815 scev_direction): New functions.
5816 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5817 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5818 instead of convert_step.
5819 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5820 (convert_step): Declaration removed.
5821 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5823 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5825 * df-core.c: Added to header comments.
5826 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5827 df_ur_bb_info, df_urec_bb_info): Added comments.
5828 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5829 urec, ri problems): Fixed header comments.
5830 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5831 code from df_rd_transfer_function.
5833 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5835 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5836 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5837 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5839 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5841 * expr.c (undefined_operand_subword_p): New.
5842 (emit_move_multi_word): Do not generate move from undefined bits
5843 of a paradoxical subreg.
5845 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5847 PR rtl-optimization/27736
5848 * combine.c (replaced_rhs_value): New variable.
5849 (combine_instructions): Set it.
5850 (distribute_notes): When distributing a note in replaced_rhs_insn,
5851 check whether the value was used in replaced_rhs_value.
5853 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5856 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5857 add_referenced_var instead of add_referenced_tmp_var.
5858 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5859 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5861 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5862 tree_optimize_tail_calls_1): Use add_referenced_var.
5863 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5864 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5865 Use add_referenced_var.
5866 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5867 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5868 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5869 Use add_referenced_var.
5870 * tree-dfa.c (struct walk_state): Remove.
5871 (find_referenced_vars): Remove walk state and vars_found hash table.
5872 (make_rename_temp): Use add_referenced_var.
5873 (find_vars_r): Pass less parameters to add_referenced_var.
5874 (referenced_var_p): New. Is var in referenced_var hash table.
5875 (referenced_var_insert): Assert var isn't already in hash table.
5876 (add_referenced_var): Don't need walk_state parameter. Add var if it
5877 isn't already in the hash table.
5878 (add_referenced_tmp_var): Remove.
5879 (find_new_referenced_vars_1): Use add_referenced_var.
5880 * tree-ssa-pre.c (create_expression_by_pieces,
5881 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5882 Use add_referenced_var.
5883 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5884 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5885 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5887 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5888 vect_create_data_ref_ptr, vect_create_destination_var,
5889 vect_init_vector, vect_build_loop_niters,
5890 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5891 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5892 Use add_referenced_var.
5893 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5894 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5895 (add_referenced_var): Add prototype.
5896 * tree-ssa-structalias.c (get_constraint_for,
5897 intra_create_variable_infos): Use add_referenced_var.
5899 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5901 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5902 big-endian paradoxical subregs.
5903 * var-tracking.c (struct micro_operation_def): Document that,
5904 for modify micro operations, insn is the subsequent instruction.
5905 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5906 (var_reg_set, var_mem_set): ... new functions.
5907 (add_stores): Record subsequent insn.
5908 (compute_bb_dataflow): Use new functions for MO_USE.
5909 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5910 notes after the insn, and modify notes before the insn known
5911 to be the subsequent one.
5912 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5914 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5917 * config/i386/i386.c (ix86_expand_builtin): Use
5918 gen_sse3_monitor64 for TARGET_64BIT.
5920 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5922 PR rtl-optimization/26375
5923 PR rtl-optimization/26855
5924 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5926 (df_ru_bb_local_compute): Reversed statements and removed bogus
5927 comment explaining why they should be in wrong order.
5928 (df_ru_dump, df_rd_dump): Enhanced debug info.
5929 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5931 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5932 reaching uses and fixed space problem.
5934 2006-05-23 Jan Hubicka <jh@suse.cz>
5936 * cgraphunit.c (decide_is_function_needed): Also nested functions
5937 and functions declared inline can be optimized out at -O0.
5939 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5941 * doc/install.texi (Configuration): Remove reference to CrossGCC
5945 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5948 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5949 ix86_compare_emitted is non-NULL.
5951 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5954 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5957 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5959 PR rtl-optimization/25514
5960 * combine.c (replaced_rhs_insn): New variable.
5961 (combine_instructions): Set replaced_rhs_insn when trying to replace
5962 a SET_SRC with a REG_EQUAL note.
5963 (distribute_notes): Use replaced_rhs_insn when determining the live
5964 range of a REG_DEAD register.
5966 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5967 Anatoly Sokolov <aesok@post.ru>
5969 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5970 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5971 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5972 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5973 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5974 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5975 at90usb647, at90usb1286 and at90usb1287 devices.
5976 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5977 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5979 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5981 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5983 2006-05-22 Richard Guenther <rguenther@suse.de>
5986 2006-01-31 Richard Guenther <rguenther@suse.de>
5987 Paolo Bonzini <bonzini@gnu.org>
5989 * doc/install.texi (--disable-libgcc-math): Document.
5991 2006-05-22 Richard Guenther <rguenther@suse.de>
5994 2006-01-31 Richard Guenther <rguenther@suse.de>
5996 * doc/invoke.texi (-msselibm): Document.
5997 * target.h (expand_library_builtin): New target hook.
5998 * builtins.c (expand_builtin): Use expand_library_builtin.
5999 (default_expand_library_builtin): New function.
6000 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6001 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6002 (link_gcc_math_spec): Declare.
6003 (static_specs): Add link_gcc_math_spec.
6004 * expr.h (default_expand_library_builtin): Declare.
6005 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6006 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6007 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6008 * config/i386/i386.opt (msselibm): New target option.
6009 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6010 (ix86_init_sse_abi_builtins): New function.
6011 (ix86_expand_library_builtin): Likewise.
6012 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6013 (override_options): Handle error conditions wrt -msselibm.
6014 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6015 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6016 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6019 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6022 * c-common.c (self_promoting_args_p): Skip erroneous args.
6025 * c-decl.c (finish_struct): Skip erroneous fields.
6027 2006-05-22 Nick Clifton <nickc@redhat.com>
6029 * config/cris/cris.opt (march): Remove VarExists attribute.
6030 (max-stackframe=): Likewise.
6032 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6034 * doc/rtl.texi: Fix a typo.
6035 * see.c: Fix comment typos.
6037 * tree-ssa-structalias.h (alias_info): Remove num_references.
6039 2006-05-21 Mike Stump <mrs@apple.com>
6041 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6043 (darwin_pragma_options): Use BAD instead.
6044 (darwin_pragma_unused): Likewise.
6045 (darwin_pragma_ms_struct): Likewise.
6047 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6049 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6051 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6053 PR rtl-optimization/27671
6054 * simplify-rtx.c (simplify_relational_operation_1): Fix
6055 simplifications of (eq/ne (xor x y) y) and
6056 (eq/ne (xor x y) x).
6058 PR tree-optimization/26622.
6059 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6062 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6064 * tree-cfg.c: Prune whitespace.
6065 (debug_tree_cfg): Point to correct header containing the
6068 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6071 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6073 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6076 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6077 or sorry count is non zero.
6079 2006-05-20 Andreas Schwab <schwab@suse.de>
6081 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6083 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6084 Kenneth Zadeck <zadeck@naturalbridge.com>
6086 PR rtl-optimization/26855
6088 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6090 (df_scan_alloc): Added code to properly handle multiword hard
6091 registers and add all_blocks parameter.
6092 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6093 code to properly handle multiword hard registers.
6094 (df_rescan_blocks): Added code to remove deleted blocks from
6096 (df_ref_create_structure, df_ref_record): Added code to properly
6098 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6099 and set DF_REF_PARTIAL.
6100 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6101 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6102 (df_scan_add_problem): Added flags parameter.
6103 (df_ref_create_structure): Changed switching structure.
6104 (df_bb_refs_record): Fixed case where duplicate artificial refs
6105 were created. Changed location of flags.
6106 (df_record_entry_block_defs): Added code to make stack pointer
6107 live in entry block. Refined cases where frame pointer is needed.
6108 Changed location of flags.
6109 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6110 (df_set_state): Removed function.
6111 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6112 df_insn_create_insn_record, df_insn_refs_delete,
6113 df_ref_create_structure): Formatting changes.
6114 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6115 df_delete_basic_block): New function.
6116 (df_init): Changed location of flags.
6117 (df_add_problem): Added flags parameter and the way flags are
6119 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6120 debug_df_chain): Improved debugging output.
6121 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6122 (df_refs_chain_dump): Removed df parameter.
6123 (df_iterative_dataflow): Added consistency check.
6124 (df_prune_to_subcfg): Made public.
6125 (df_analyze_problem): Added blocks_to_init parameter and made
6127 (df_ref_record, df_bb_refs_record, df_mark_reg,
6128 df_record_exit_block_uses): Whitespace changes.
6129 (df_dump): Whitespace changes.
6130 * df.h: Some reordering to remove forward references.
6131 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6132 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6133 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6134 (dataflow.flags): New field.
6135 (df.flag): Deleted field.
6136 (df_alloc_function): Added additional bitmap parameter.
6137 (df_dependent_problem_function): New type.
6138 (df_problem.changeable_flags): New field.
6139 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6140 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6141 (df_mw_hardreg): New struct.
6142 (DF_INSN_UID_MWS): New macro.
6143 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6145 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6146 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6147 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6148 (df_set_state): Removed function.
6149 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6150 * df-problems.c (df_chain_dump): Removed df parameter.
6151 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6152 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6154 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6155 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6156 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6157 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6158 DF_REF_MUST_CLOBBER cases.
6159 (df_ru_bb_local_compute_process_def,
6160 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6161 df_lr_bb_local_compute, df_ur_bb_local_compute,
6162 df_chain_create_bb): Made subreg aware.
6163 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6164 df_lr_bb_local_compute, df_lr_bb_local_compute,
6165 df_chain_create_bb): Cleanup to use proper macros.
6166 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6167 code to fixup bitvectors.
6168 (df_ri_alloc): Cleared lifetime.
6169 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6170 df_create_unused_note): New function.
6171 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6172 REG_DEAD and REG_UNUSED notes as well as register information.
6173 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6174 df_chains_dump): Fixed crash if problem was never run.
6175 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6176 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6177 df_ri_add_problem): Processes flags in uniform manner.
6178 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6179 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6180 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6181 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6182 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6183 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6184 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6185 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6186 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6187 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6188 * see.c (see_initialize_data): Ditto.
6189 * final.c (rest_of_clean_state) Added regstack_completed.
6190 * rtl.h (regstack_completed): Ditto.
6191 * reg-stack.c (regstack_completed): Ditto.
6193 2006-05-19 Mike Stump <mrs@apple.com>
6195 * c-tree.h (default_conversion): Remove.
6196 * c-common.h (default_conversion): Add.
6198 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6200 * tree-vrp.c (valid_value_p): New function.
6201 (adjust_range_with_scev): Fail if the value of bound is not
6204 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6206 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6207 (mips_fallback_frame_state): Use syscall numbers to determine
6208 the appropriate li instruction for the current ABI. Only use
6209 __NR_sigreturn for o32.
6211 2006-05-19 Nicolas Setton <setton@adacore.com>
6213 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6214 * langhooks.c (lhd_dwarf_name): New function.
6215 * langhooks-def.h (lhd_dwarf_name): Declare.
6216 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6217 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6218 * ada/misc.c (gnat_dwarf_name): New function.
6219 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6221 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6223 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6225 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6226 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6227 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6228 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6229 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6230 determine the size of Wtype, etc.
6231 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6232 (swfloatfuncs): New variable.
6233 (dwfloatfuncs): Likewise.
6234 (lib2funcs): Remove floating-point conversion functions from
6235 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6236 the set of conversion routines needed. Allow entries to specify
6237 an object name, filename and word size. Update users accordingly.
6238 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6239 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6243 2006-02-08 Roger Sayle <roger@eyesopen.com>
6246 * config/fixtfdi.c: New libgcc source file.
6247 * config/fixunstfdi.c: New source file.
6248 * config/floatditf.c: New source file.
6249 * config/floatunditf.c: New souce file.
6250 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6251 files above instead of config/mips/_tilib.c.
6252 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6254 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6256 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6257 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6259 2006-05-18 Mike Stump <mrs@apple.com>
6261 Fix up vla, vm and [*] sematics.
6267 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6268 (c_vla_unspec_p): Add.
6269 (c_vla_type_p): Add.
6270 * c-decl.c (struct c_scope): Add had_vla_unspec.
6271 (build_array_declarator): Add support for [*].
6272 (grokdeclarator): Likewise.
6273 (grokparms): Likewise.
6274 (get_parm_info): Likewise.
6275 * c-objc-common.c (c_vla_unspec_p): Likewise.
6276 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6277 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6278 typeof when argument is a variably modified type not inside sizeof or alignof.
6279 (c_parser_direct_declarator_inner): Propagate errors.
6280 (c_parser_sizeof_expression): Add support for [*].
6281 (c_parser_parms_declarator): Initialize had_vla_unspec.
6282 (c_parser_parms_list_declarator): Likewise.
6283 * c-typeck.c (c_vla_type_p): Add.
6284 (composite_type): Add support for vla compositing.
6285 (comptypes_internal): Add support for vla compatibility.
6286 (c_expr_sizeof_expr): Evaluate vla arguments.
6287 * tree.c (variably_modified_type_p): Update comment for [*].
6289 2006-05-18 Michael Matz <matz@suse.de>
6292 * config.host: Make assignments to host_xmake_file cumulative.
6293 * config.host (*-darwin*): Test $host, not $target.
6295 2006-05-12 Stuart Hastings <stuart@apple.com>
6297 * config/i386/i386.opt (-mstackrealign): New flag.
6298 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6299 (ix86_handle_cconv_attribute): Emit error when
6300 force_align_arg_pointer attribute collides with too many regparms.
6301 (ix86_function_regparm): Limit regparms when used with
6302 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6303 Support stack-realigning prologue in non-main functions. Emit
6304 warning for nested functions under -mstackrealign, emit error for
6305 nested functions with force_align_arg_pointer attribute.
6306 * doc/extend.texi (force_align_arg_pointer): Document it.
6307 * doc/invoke.texi (-mstackrealign): Document it.
6309 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6311 PR rtl-optimization/27477
6312 * combine.c (try_combine): Don't split a parallel consisting
6313 of two sets into two individual sets if both sets reference
6316 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6318 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6319 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6321 * doc/options.texi (VarExists): Updated.
6323 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6325 * unwind-dw2.c: Add declarations for uw_update_context and
6327 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6328 detected, advance frame state and context once to skip over stub.
6330 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6334 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6335 Call rewrite_into_loop_closed_ssa only when something changed.
6336 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6337 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6338 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6339 Test for perfect_nest_p here. Fix formating.
6340 (replace_uses_equiv_to_x_with_y): Fix formating.
6341 (stmt_uses_op): Removed.
6342 (can_convert_to_perfect_nest): Removed loopivs parameter.
6343 Complete the test by checking the scalar dependences.
6344 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6347 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6350 From Dan Kegel <dank@kegel.com>:
6351 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6353 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6355 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6356 if the element type is variably modified without recursing.
6358 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6361 * tree-loop-linear.c (try_interchange_loops): Test for
6362 no data dependences.
6364 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6366 PR tree-optimization/27548
6367 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6368 range of ssa names that appear on abnormal edges.
6369 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6370 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6372 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6375 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6377 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6380 * tree.h (OMP_PARALLEL_COMBINED): Define.
6381 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6382 (new_omp_context): Add is_combined_parallel argument.
6383 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6384 new_omp_context caller.
6385 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6386 Adjust gimplify_scan_omp_clauses callers.
6387 (omp_is_private): Issue errors if iteration variable is firstprivate
6388 or reduction in the current context.
6389 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6390 on combined parallel workshare constructs.
6392 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6394 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6395 (gcc-options.o): New rule.
6397 * optc-gen.awk: Protect variables for gcc-options.o with
6398 #ifdef GCC_DRIVER/#endif.
6400 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6402 Fix PR tree-optimization/27373
6403 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6404 (forward_propagate_addr_expr): Update call.
6406 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6408 * doc/options.texi: Move the Negative option.
6410 2006-05-16 Richard Guenther <rguenther@suse.de>
6412 PR tree-optimization/22303
6413 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6415 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6416 ccp_fold did not simplify the statement.
6418 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6421 * Makefile.in (GCC_OBJS): New.
6422 (OBJS-common): Add opts-common.o.
6423 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6424 (cpp$(exeext)): Likewise.
6425 (gcc.o): Also depend on opts.h.
6426 (opts-common.o): New.
6428 * common.opt (gcoff): Add Negative(gdwarf-2).
6429 (gdwarf-2): Add Negative(gstabs).
6430 (gstabs): Add Negative(gstabs+).
6431 (gstabs+): Add Negative(gvms).
6432 (gvms): Add Negative(gxcoff).
6433 (gxcoff): Add Negative(gxcoff+).
6434 (gxcoff+): Add Negative(gcoff).
6435 * config/i386/i386.opt (m32): Add Negative(m64).
6436 (m64): Add Negative(m32).
6438 * doc/options.texi: Document the Negative option.
6440 * gcc.c: Include "opts.h".
6441 (main): Call prune_options after expandargv.
6443 * optc-gen.awk: Generate common declarations for all flag
6444 variables in options.c. Output the neg_index field.
6446 * opts.c (find_opt): Moved to ...
6447 * opts-common.c: Here. New file.
6449 * opts.h (cl_option): Add a neg_index field.
6451 (prune_options): Likewise.
6453 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6456 * omp-low.c (expand_omp_parallel): Don't assert
6457 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6458 instead search for it.
6461 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6464 2006-05-16 Andreas Schwab <schwab@suse.de>
6466 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6469 2006-05-15 Roger Sayle <roger@eyesopen.com>
6472 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6473 integer constants other than zero are only legitimate on TARGET_64BIT.
6474 <CONST_VECTOR> Only zero vectors are legitimate.
6475 (ix86_cannot_force_const_mem): Integral and vector constants can
6476 always be put in the constant pool.
6478 2006-05-16 DJ Delorie <dj@redhat.com>
6480 * crtstuff.c (__dso_handle): Set section from
6481 TARGET_LBIGCC_SDATA_SECTION if defined.
6482 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6483 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6485 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6488 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6491 2006-05-16 Ben Elliston <bje@au.ibm.com>
6493 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6495 2006-05-15 Per Bothner <per@bothner.com>
6497 * tree.c: (last_annotated_node): Use source_locus typedef.
6498 This permits bootstrapping with --enable-mapped-location.
6500 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6502 PR tree-optimization/26830
6503 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6504 (info_for_ssa_name, current_info_for_ssa_name_age,
6505 blocks_to_update): New variables.
6506 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6507 (clear_ssa_name_info, initialize_flags_in_bb,
6508 mark_block_for_update): New functions.
6509 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6510 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6511 prepare_def_site_for): Use mark_block_for_update.
6512 (mark_def_interesting): Assert that the processed block is marked in
6513 blocks_to_update. Do not take blocks argument.
6514 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6516 (rewrite_update_init_block, rewrite_update_stmt): Only process
6517 blocks with statements to rewrite.
6518 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6519 (update_ssa): Initialize and free blocks_to_update. Do not
6520 clear flags on statements. Do not use blocks bitmap.
6521 * tree.h (SSA_NAME_AUX): Removed.
6522 (struct tree_ssa_name): Removed aux field.
6523 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6525 2006-05-15 Richard Guenther <rguenther@suse.de>
6527 PR tree-optimization/27603
6528 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6529 Do computations in original type.
6531 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6533 * see.c: Code style changes such as redundant paranthesis,
6534 redundant intialization of local variables etc.
6535 (see_main): Declared now as static.
6536 * doc/invoke.texi: Update that -fsee is not enabled by
6539 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6541 * omp-low.c (check_omp_nesting_restrictions): New function.
6542 (scan_omp_1): Call it.
6545 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6546 construct, return *VAR.
6548 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6550 PR rtl-optimization/27406
6551 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6554 2006-05-14 Roger Sayle <roger@eyesopen.com>
6556 PR rtl-optimization/27538
6557 * combine.c (expand_compound_operation): Call gen_lowpart
6558 before calling simplify_shift_const.
6560 2006-05-14 Roger Sayle <roger@eyesopen.com>
6562 PR rtl-optimization/22563
6563 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6564 a fixed width bitfield, always force the intermediates into psuedos.
6566 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6569 * mkconfig.sh: Use operator = instead of == for test.
6571 2006-05-13 Nick Clifton <nickc@redhat.com>
6573 * dwarf2out.c (dbx_reg_number): Check return value from
6574 LEAF_REG_REMAP and only use it if it is valid.
6575 (multiple_reg_loc_descriptor): Likewise.
6577 2006-05-13 Richard Guenther <rguenther@suse.de>
6579 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6582 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6584 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6585 information attached to non-INSNs such as NOTEs.
6586 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6588 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6590 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6592 * config/s390/s390.md: Adjust comment describing On constraint.
6594 2006-05-11 Jan Hubicka <jh@suse.cz>
6596 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6597 to be output at -O0.
6599 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6602 * fold-const.c (size_binop): Move sanity check for arguments to
6603 the beginning of the function.
6606 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6609 2006-05-11 Richard Guenther <rguenther@suse.de>
6612 * fold-const.c (fold_unary): Handle intermediate conversion
6613 to a pointer type like intermediate conversion to an integer
6614 type in folding of (T1)(T2)var to var.
6615 Match the code to the comment in the final conversion for
6616 (T1)(T2)var to (T1)var regarding to type precision. Rather
6617 than disallow T1 being of pointer type, assert that both T1
6618 and var are of pointer type or not. Make sure not to fall
6619 over the frontends lazyness wrt array to pointer decay though.
6621 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6623 * arm.c (arm_struct_value_rtx): Delete.
6624 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6625 (arm_init_cumulative_args): Always initialize nregs to zero.
6627 2006-05-10 Richard Guenther <rguenther@suse.de>
6629 PR tree-optimization/27532
6630 * tree-object-size.c (plus_expr_object_size): Fix typo.
6632 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6635 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6636 ashrdi_const, ashrdi3): Use a scratch register.
6638 2006-05-10 Richard Guenther <rguenther@suse.de>
6640 PR tree-optimization/27302
6641 * fold-const.c (operand_equal_p): For two comparisons,
6642 try comparison of one comparison code swapped if that yields
6645 2006-05-10 Ben Elliston <bje@au.ibm.com>
6647 * tree-pretty-print.c (pretty_print_string): No need to handle
6648 '\0' as a special character.
6650 * tree.h: Include "hashtab.h".
6651 (iterative_hash_expr): Use hashval_t in its prototype.
6652 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6654 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6657 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6658 (hppa*64*-*-hpux11*): Ditto.
6659 (hppa[12]*-*-hpux11*): Ditto.
6661 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6664 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6666 2006-05-09 Michael Matz <matz@suse.de>
6668 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6669 host_extra_gcc_objs and host_xmake_file.
6670 (<*-*-linux*>): Don't overwrite host_xmake_file.
6671 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6672 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6673 (host_detect_local_cpu): Declare.
6674 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6675 * config/i386/i386.c (override_options): Handle -mtune=native
6677 * config/i386/x-i386: New file.
6678 * config/i386/driver-i386.c: New file.
6679 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6682 2006-05-09 Dirk Mueller <dmueller@suse.de>
6683 Richard Guenther <rguenther@suse.de>
6686 * fold-const.c (fold_read_from_constant_string): Relax check
6687 for matching types to matching modes.
6689 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6691 PR rtl-optimization/27335
6692 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6695 2006-05-08 Chao-ying Fu <fu@mips.com>
6696 Richard Sandiford <richard@codesourcery.com>
6698 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6699 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6700 * config/mips/mips.md (UNSPEC_SCC): New constant.
6701 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6702 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6703 (mips_emit_compare): Use it.
6704 (mips_expand_vcondv2sf): New function.
6706 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6708 Fix PR tree-optimization/27093
6709 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6710 renaming when they become not-used_alone.
6712 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6714 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6715 relocation and relocation stubs.
6717 2006-05-08 Eric Christopher <echristo@apple.com>
6719 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6722 2006-05-08 Jan Hubicka <jh@suse.cz>
6725 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6726 unused static functions are needed.
6728 2006-05-08 Roger Sayle <roger@eyesopen.com>
6731 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6732 of a reg_equiv_constant if the result is a legitimate constant.
6734 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6737 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6738 standard 80387 constants, raise the cost to prevent
6739 compress_float_constant() to generate load from memory.
6741 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6743 * config/arm/constraints.md (c): Fix a typo.
6745 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6748 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6751 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6753 (_mm_mwait): Likewise.
6755 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6757 (sse3_monitor): Make it 32bit only.
6758 (sse3_monitor64): New. 64bit monitor.
6760 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6763 * config/i386/i386.c (classify_argument): Skip fields with invalid
6766 2006-05-07 Richard Guenther <rguenther@suse.de>
6768 PR tree-optimization/27409
6769 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6770 Do not try to find zero-sized subvars.
6772 2006-05-07 Richard Guenther <rguenther@suse.de>
6774 PR tree-optimization/27136
6775 * tree-ssa-loop-niter.c (get_val_for): Correct function
6776 comment, assert requirements.
6777 (loop_niter_by_eval): Stop processing if the iterated
6778 value did not simplify.
6780 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6782 * opts.c (flag_see): remove its setting at -O3.
6784 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6786 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6787 * arm/constraints.md: New file.
6788 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6789 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6790 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6791 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6792 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6793 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6794 * arm.md: Include constraints.md.
6795 (thumb_movsi_insn): Use satisfies_constraint_J.
6796 (movhi, movqi): Use satisfies_constraint_I.
6798 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6800 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6801 for atmeg a645 device.
6803 2006-05-06 Richard Guenther <rguenther@suse.de>
6805 PR tree-optimization/27151
6806 * tree-vect-transform.c (vectorizable_condition): Punt on
6807 values that have a different type than the condition.
6809 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6812 * c-parser.c (c_parser_cast_expression): Only insert casts into
6813 hash table if pointer.
6814 * function.c (used_types_insert_helper): Rename from
6816 (used_types_insert): Call used_types_insert_helper.
6817 * function.h (used_types_insert): Accept only one argument.
6819 2006-05-05 David Edelsohn <edesohn@gnu.org>
6821 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6822 scratch with output modifier.
6824 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6827 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6828 with output modifier.
6830 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6833 * config/mips/mips.c (mips_symbolic_address_p): Return true
6834 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6835 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6837 2006-05-04 Richard Guenther <rguenther@suse.de>
6839 PR tree-optimization/14287
6840 PR tree-optimization/14844
6841 PR tree-optimization/19792
6842 PR tree-optimization/21608
6843 PR tree-optimization/27090
6844 * tree-ssa-pre.c (try_combine_conversion): New function.
6845 (compute_avail): After constructing the value-handle
6846 expression, use try_combine_conversion to combine NOP_EXPRs
6847 with previous value-handle expressions and use the result if it
6850 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6852 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6854 2006-05-04 Jan Hubicka <jh@suse.cz>
6857 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6859 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6861 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6862 that this only matches CONST_INTs. All users changed to VOIDmode
6865 * config/bfin/bfin.c: Include "optabs.h".
6866 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6868 (enum bfin_builtins): Add a number of fractional and vector builtins.
6869 (bfin_init_builtins): Likewise.
6870 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6871 (safe_vector_operand, bfin_expand_binop_builtin,
6872 bfin_expand_unop_builtin): New functions.
6873 (bfin_expand_builtin): Handle the new builtins.
6874 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6877 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6880 * Makefile.in (OBJS-common): Add see.o.
6881 (see.o): Add dependencies.
6882 * common.opt (fsee): New flag for the see optimization was added.
6883 * opts.c (flag_see): Initialized.
6884 * passes.c (init_optimization_passes, pass_see): New pass.
6885 * rtl.h (see_main): Declaration as extern.
6886 * timevar.def (TV_SEE): New.
6887 * tree-pass.h (pass_see): Declaration as extern.
6888 * invoke.texi (-fsee): Document.
6889 * recog.c (validate_simplify_insn): New function.
6890 * recog.h (validate_simplify_insn): Declaration as extern.
6891 * df-problems.c (df_chain_dump): Check for NULL.
6893 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6894 Daniel Berlin <dberlin@dberlin.org>
6896 * cfgrtl.c (insert_insn_bb_end_new): New function.
6897 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6899 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6901 * df.h (struct web_entry): Moved from web.c.
6902 (union_defs): Declaration as extern.
6903 (unionfind_root): Likewise.
6904 (unionfind_union): Likewise.
6905 * web.c (struct web_entry): Moved to df.h.
6906 (unionfind_root): Remove static declaration.
6907 (unionfind_union): Likewise.
6908 (union_defs): Likewise and generalize to use callback function.
6909 (web_main): Update arguments for union_defs function call.
6911 2006-05-04 Richard Guenther <rguenther@suse.de>
6913 PR tree-optimization/26447
6914 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6915 produce SSA_NAME copies before the store stmt to avoid
6916 breaking exception handling.
6918 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6921 * gimplify.c (omp_is_private): If var is shared in some outer context,
6922 return false instead of true. Stop searching on parallel context
6925 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6928 * coverage.c: Use get_gcov_unsigned_t() instead of
6929 unsigned_type_node all over.
6931 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6933 PR tree-optimization/27381
6934 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6935 maintain the same immediate_use links.
6936 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6937 node rather than segfaulting.
6939 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6942 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6943 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6944 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6946 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6948 Fix PR tree-optimization/26626
6949 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6951 * tree-ssa-operands.c (access_can_touch_variable): Allow
6952 typecasting through union pointers.
6954 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6957 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6958 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6959 to find if var will be a global variable even in the nested context.
6960 (omp_copy_decl): Only check for global variable at the end, it might
6961 be overridden in outer contexts.
6962 (scan_sharing_clauses): For global variables don't create a field.
6963 (lower_rec_input_clauses): Do nothing for global shared variables.
6964 Emit a barrier at the end of ILIST if there were any decls in both
6965 firstprivate and lastprivate clauses.
6966 (lower_send_clauses): Do nothing for global variables except for
6969 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6971 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6972 of the correct signedness is returned.
6974 2006-05-02 Jeff Law <law@redhat.com>
6976 PR tree-optimization/27364
6977 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6978 multiply expressions.
6980 2006-05-02 Tom Tromey <tromey@redhat.com>
6982 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6984 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6987 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6988 -mthumb -fPIC are used.
6990 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6991 Joshua Kinard <kumba@gentoo.org>
6994 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6995 with 64-bit pointers.
6997 2006-05-02 Paul Brook <paul@codesourcery.com>
6999 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7001 (create_fix_barrier): Check that a suitable barrier location is
7003 (arm_reorg): Include ftmp->address in allowable range of addresses.
7005 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7008 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7011 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7014 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7015 around RESULT_DECL for result passed by reference.
7016 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7017 * omp-low.c (use_pointer_for_field): Don't look at
7018 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7019 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7020 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7021 time or var for passing by reference for
7022 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7023 TREE_ADDRESSABLE variables when passing by reference.
7025 * omp-low.c (dump_omp_region): Fix output formatting.
7028 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7029 (expand_omp_parallel): Likewise.
7030 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7033 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7034 on statement list containing also constructors and destructors.
7035 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7038 * except.c (duplicate_eh_regions): Fix clearing of
7039 cfun->eh->region_array entries.
7041 2006-05-01 DJ Delorie <dj@redhat.com>
7043 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7045 (gcc_cv_objdump): Likewise.
7046 * configure: Regenerated.
7048 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7051 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7052 templates for case 3 and 4.
7054 2006-05-01 DJ Delorie <dj@redhat.com>
7056 * vec.c: Include bconfig.h when appropriate.
7057 * Makefile.in (build/vec.o): Adjust dependencies.
7058 * mkconfig.sh: Make sure config.h isn't used for build machine
7061 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7063 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7065 (mark_phi_for_rewrite): New function.
7066 (insert_phi_nodes_for, mark_use_interesting): Call
7067 mark_phi_for_rewrite.
7068 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7069 (update_ssa): Initialize and free phis_to_rewrite.
7071 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7073 PR rtl-optimization/27291
7074 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7075 folded to a constant.
7077 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7079 PR tree-optimization/27283
7080 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7081 not whole # of iteration descriptions.
7082 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7083 uses abnormal ssa name.
7084 (niter_for_single_dom_exit): Ditto.
7085 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7086 return just the number of iterations.
7088 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7090 PR tree-optimization/27144
7091 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7092 (record_estimate): Only record constant upper bound.
7093 (infer_loop_bounds_from_undefined): Call
7094 compute_estimated_nb_iterations just once.
7095 (proved_non_wrapping_p): Renamed to ...
7096 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7097 (convert_step_widening, scev_probably_wraps_p): Call
7098 n_of_executions_at_most instead of proved_non_wrapping_p.
7099 (substitute_in_loop_info): Do not replace values in bounds.
7100 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7103 2006-05-01 Richard Henderson <rth@redhat.com>
7106 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7107 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7110 2006-05-01 Roger Sayle <roger@eyesopen.com>
7112 * c-typeck.c (parser_build_binary_op): Don't call the function
7113 unsigned_conversion_warning to spot operand/result type overflow.
7114 (build_binary_op): Instead, call convert_and_check instead of
7115 convert to report the problem when the operands are promoted.
7116 * c-common.c (unsigned_conversion_warning): Make static.
7117 * c-common.h (unsigned_conversion_warning): Delete prototype.
7119 2006-05-01 Richard Guenther <rguenther@suse.de>
7121 PR tree-optimization/26726
7122 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7124 (find_interesting_uses_address): ... we work around here
7125 by folding INDIRECT_REFs in the substituted base.
7127 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7129 * omp-low.c (dump_omp_region): Add newlines.
7131 2006-04-30 Roger Sayle <roger@eyesopen.com>
7133 * common.opt (Woverflow): New command line option.
7134 * c-common.c (constant_expression_warning): Check warn_overflow.
7135 (overflow_waring): Pass OPT_Woverflow to warning.
7136 (unsigned_conversion_warning): Likewise.
7137 (convert_and_check): Likewise.
7138 * doc/invoke.texi: Document new command line option.
7140 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7142 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7143 TARGET_NO_FP_IN_TOC for section anchors.
7144 (optimization_options): Enable section anchors for all
7145 non-"Objective" languages.
7147 2006-04-28 Eric Christopher <echristo@apple.com>
7149 * config/darwin-c.c (darwin_ms_struct): Move this
7150 (darwin_set_default_type_attributes): and this...
7151 * config/darwin.c: ... here.
7152 * config/darwin.h (darwin_ms_struct): Declare.
7154 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7156 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7158 2006-04-28 Roger Sayle <roger@eyesopen.com>
7161 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7162 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7163 an unsigned HOST_WIDE_INT.
7164 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7166 (really_start_incremental_init): No need to call convert because
7167 bitsize_zero_node is already of type bitsizetype.
7168 (push_init_level): Extract the value of constructor_index as an
7169 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7170 (process_init_element): Likewise.
7172 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7174 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7175 value before passing to make_relative_prefix.
7177 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7180 * builtins.c (expand_builtin_memset): Expand val in original mode.
7182 2006-04-27 Eric Christopher <echristo@apple.com>
7184 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7185 with #ifndef/#endif.
7186 * config/darwin-c.c (darwin_ms_struct): New.
7187 (darwin_pragma_ms_struct): Ditto.
7188 (darwin_set_default_type_attributes): Ditto.
7189 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7190 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7191 Register ms_struct pragma.
7192 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7193 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7194 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7195 darwin_set_default_type_attributes if TARGET_MACHO.
7197 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7199 PR tree-optimization/26854
7200 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7201 * doc/tree-ssa.texi: Update immuse iterator documentation.
7202 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7203 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7204 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7205 first_safe_imm_use, next_safe_imm_use): Remove.
7206 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7207 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7208 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7209 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7210 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7211 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7212 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7213 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7214 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7215 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7216 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7217 (perfect_nestify): Use new iterator.
7218 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7220 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7221 (next_imm_name): New field in struct immediate_use_iterator_d.
7222 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7223 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7224 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7225 * tree-cfg.c (replace_uses_by): Use new iterator.
7226 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7227 * tree-ssa-operands.c (correct_use_link): Remove.
7228 (finalize_ssa_use_ops): No longer call correct_use_link.
7230 2006-04-27 Stuart Hastings <stuart@apple.com>
7232 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7233 * config/t-darwin (crt3.o): Use it.
7234 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7235 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7236 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7237 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7238 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7241 2006-04-27 Roger Sayle <roger@eyesopen.com>
7243 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7244 size, force the intermediate into a new pseudo rather instead of
7245 performing both a bitwise AND and a bitwise IOR in memory.
7247 2006-04-27 Richard Guenther <rguenther@suse.de>
7249 PR rtl-optimization/26685
7250 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7251 this one "max-flow-memory-locations".
7253 2006-04-27 Richard Guenther <rguenther@suse.de>
7255 PR tree-optimization/25148
7256 * tree-vrp.c (compare_values): Remove code dealing with
7257 comparisons against type min/max value. Honour overflow
7258 and negative constants in code dealing with comparisons
7259 of plus and minus expressions.
7260 (value_inside_range): Use fold_binary with LE_EXPR and
7261 GE_EXPR rather than compare_values.
7263 2006-04-27 Dirk Mueller <dmueller@suse.de>
7265 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7268 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7270 * basic-block.h (safe_insert_insn_on_edge): Removed.
7271 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7273 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7274 Paolo Bonzini <bonzini@gnu.org>
7277 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7278 (simplify_and_const_int): Same.
7280 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7282 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7284 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7287 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7288 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7289 cgraph_global_info_ready.
7292 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7295 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7296 either decl or init is error_mark_node.
7299 * tree-flow.h (struct omp_region): Add sched_kind.
7300 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7301 instead of extracting omp for data.
7302 (expand_omp_for): Save extracted sched_kind.
7304 2006-04-25 Roger Sayle <roger@eyesopen.com>
7306 * expmed.c (store_bit_field): Also check whether the bitsize is
7307 valid for the machine's "insv" instruction before moving the
7308 target into a pseudo for use with the insv.
7309 * config/i386/predicates.md (const8_operand): New predicate.
7310 * config/i386/i386.md (extv, extzv, insv): Use the new
7311 const8_operand predicate where appropriate.
7313 2006-04-25 DJ Delorie <dj@redhat.com>
7315 * doc/install.texi (Specific): Clarify that this is not a list of
7316 supported hosts or targets.
7318 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7320 PR rtl-optimization/26725
7321 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7322 block's BB_DIRTY flag.
7324 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7326 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7329 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7330 to print an integer.
7332 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7334 * varasm.c (align_variable): New function.
7335 (get_block_for_decl): Apply align_variable to DECL before
7336 calculating section information.
7337 (assemble_variable): Split out alignment computation.
7339 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7341 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7344 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7346 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7347 MODE_PARTIAL_INT mode.
7348 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7349 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7351 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7352 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7354 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7356 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7358 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7359 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7360 MACFLAG_IH): Likewise.
7361 (movstricthi_1): Renamed from "*movstricthi".
7362 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7363 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7364 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7365 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7366 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7367 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7368 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7369 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7370 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7371 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7372 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7373 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7374 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7375 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7376 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7378 * doc/rtl.texi (ss_ashift): Improve wording.
7380 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7382 * dwarf2out.c (verify_marks_clear): New.
7383 (prune_unused_types): Call verify_marks_clear initially, not
7386 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7388 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7389 * doc/rtl.texi: Document them.
7390 * simplify-rtx.c (simplify_unary_operation,
7391 simplify_binary_operation_1): Don't abort when we see them.
7393 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7396 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7397 * configure.ac: Completely disregard languages that are not
7399 * configure: Regenerated.
7401 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7402 Richard Guenther <rguenther@suse.de>
7404 PR tree-optimization/27236
7405 * tree-inline.c (copy_body_r): Make sure to copy
7406 TREE_THIS_VOLATILE flag.
7408 2006-04-24 Richard Guenther <rguenther@suse.de>
7411 * tree-complex.c (update_parameter_components): Don't handle
7412 unused parameters which have no default def.
7414 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7415 Richard Guenther <rguenther@suse.de>
7417 PR tree-optimization/27218
7418 * tree-inline.c (expand_call_inline): Strip useless type
7419 conversions for the return slot address.
7421 2006-04-24 Richard Guenther <rguenther@suse.de>
7423 * cfgloop.h (struct loops): Remove unused field array. Reorder
7425 (LOOP_PREFETCH): Remove.
7427 2006-04-24 Richard Guenther <rguenther@suse.de>
7429 PR tree-optimization/22525
7430 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7431 variable, adjust types of generated expressions.
7433 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7435 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7436 (tree-vect-patterns.o): Likewise.
7438 (cselib.o): Likewise.
7439 (loop-doloop.o): Likewise.
7440 (regclass.o): Likewise.
7441 (reload1.o): Likewise.
7442 (explow.o): Replace target.h with $(TARGET_H).
7443 (ipa-prop.o): Likewise.
7444 (ipa-cp.o): Likewise.
7445 (ipa-inline.o): Likewise.
7446 (reorg.o): Likewise.
7447 (reg-stack.o): Likewise.
7449 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7451 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7453 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7455 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7457 * configure.ac: Completely disregard languages that are not
7459 * configure: Regenerated.
7462 * c-common.h (c_build_bitfield_integer_type): Declare.
7463 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7464 * c-common.c (c_build_bitfield_integer_type): ... here.
7466 2006-04-23 Roger Sayle <roger@eyesopen.com>
7469 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7470 a SImode SUBREG of a floating point register after no_new_pseudos.
7472 2006-04-23 Roger Sayle <roger@eyesopen.com>
7474 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7475 identify potentially eliminable registers to additionally catch
7476 VIRTUAL_INCOMING_ARGS_REGNUM.
7477 (addsi3): Update the conditions on when to use addsi_small_int.
7479 2006-04-23 Roger Sayle <roger@eyesopen.com>
7482 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7483 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7484 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7486 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7488 * fold-const.c (range_predecessor): Use operand_equal_p
7489 as the predicate for equality.
7490 (range_successor): Likewise.
7492 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7495 * config/soft-fp/op-common.h: Fix a typo.
7497 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7500 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7501 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7503 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7505 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7507 * doc/tm.texi: Fix a typo.
7509 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7511 * dwarf2out.c (struct die_struct): Document that die_sib makes
7512 a circular linked list.
7513 (FOR_EACH_CHILD): New.
7514 (reverse_die_lists): Delete.
7515 (reverse_all_dies): Delete.
7516 (add_dwarf_attr): Correct documentation.
7517 (remove_child_with_prev): New.
7518 (remove_child_TAG): Update for change to die_struct, use
7519 remove_child_with_prev.
7520 (add_child_die): Update for change to die_struct.
7521 (splice_child_die): Use remove_child_with_prev and add_child_die.
7522 (print_die): Use FOR_EACH_CHILD.
7523 (die_checksum): Likewise.
7524 (assign_symbol_names): Likewise.
7525 (output_location_lists): Likewise.
7526 (build_abbrev_table): Likewise.
7527 (calc_die_sizes): Likewise.
7528 (mark_dies): Likewise.
7529 (unmark_dies): Likewise.
7530 (unmark_all_dies): Likewise.
7531 (output_die): Likewise.
7532 (prune_unused_types_mark): Likewise.
7533 (prune_unused_types_walk): Likewise.
7534 (same_die_p): Update for change to die_struct.
7535 (break_out_includes): Likewise.
7536 (prune_unused_types_prune): Likewise.
7537 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7538 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7540 (dwarf2out_finish): Don't call reverse_all_dies.
7542 2006-04-21 Eric Christopher <echristo@apple.com>
7544 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7545 in comments and function names.
7547 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7550 * c-typeck.c (digest_init): Robustify.
7552 * c-typeck.c (pop_init_level): Simplify.
7554 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7556 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7558 2006-04-21 Paul Brook <paul@codesourcery.com>
7560 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7561 hardware floating point.
7563 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7565 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7568 2006-04-21 Nick Clifton <nickc@redhat.com>
7570 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7573 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7576 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7577 C++ lang type in traceback table for Objective-C++.
7579 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7581 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7583 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7585 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7588 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7589 were errors. Remove check for erroneous objects.
7591 2006-04-20 Jeff Law <law@redhat.com>
7593 PR tree-optimization/26854
7594 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7595 checking for zero or one use.
7596 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7597 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7598 * tree-ssa-reassoc.c (negate_value): Similarly.
7599 (reassociate_bb): Similarly.
7601 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7603 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7604 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7605 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7607 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7609 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7610 fp regs if the last fp arg doesn't fit in regs.
7612 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7615 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7616 that the last insn has the REG_INC note.
7618 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7619 Nathan Sidwell <nathan@codesourcery.com>
7622 * stor-layout.c (update_alignment_for_field): Do not align
7624 (place_union_field): Place union field at the start of the union.
7625 (place_field): Move ERROR_MARK check later, and use the current
7626 allocation position to maintain monotonicity.
7628 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7630 * dominance.c: Include timevar.h.
7631 (calculate_dominance_info): Use TV_DOMINANCE.
7632 * timevar.def (TV_DOMINANCE): New timevar.
7633 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7635 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7637 PR rtl-optimization/14261
7638 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7639 move would be an INSV insn.
7640 (noce_process_if_block): Don't optimize if the destination is a
7641 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7643 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7645 * config/s390/s390.md: Add comments with the instructions emitted
7646 by an insn pattern if macros are used.
7648 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7650 PR rtl-optimization/26026
7651 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7652 is a known power of two shifted left a variable amount.
7654 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7656 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7657 to hash table twice when the debug_str section has SECTION_MERGE.
7659 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7661 * config/soft-fp: New directory. From glibc.
7662 * config/soft-fp/t-softfp: New.
7663 * config/soft-fp/README: New.
7664 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7665 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7666 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7667 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7668 * config.gcc: Use rs6000/t-fprules-fpbit or
7669 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7671 * config/rs6000/sfp-machine.h: New. Based on glibc.
7672 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7674 * config/rs6000/t-fprules: Remove fp-bit rules.
7675 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7676 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7677 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7678 (softfp_wrap_start, softfp_wrap_end): New.
7680 2006-04-18 DJ Delorie <dj@redhat.com>
7682 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7684 2006-04-18 Devang Patel <dpatel@apple.com>
7686 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7688 2006-04-18 Nick Clifton <nickc@redhat.com>
7690 * config/sh/t-symbian: Add rule to build sh-c.o
7691 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7692 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7693 (sh_symbian_encode_section_info): Likewise.
7695 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7697 * builtins.c (expand_builtin_strcmp): Cover label definition of
7698 do_libcall with HAVE_cmpstrnsi.
7700 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7702 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7704 * function.h (temp_slot_p): New.
7705 (function): Change the type of x_used_temp_slots to
7706 VEC(temp_slot_p,gc) *.
7708 2006-04-18 Nick Clifton <nickc@redhat.com>
7710 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7711 flag_strength_reduce.
7713 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7715 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7719 Partial revert of revision 112637
7720 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7721 Dale Johannesen <dalej@apple.com>
7724 * regclass.c (struct reg_pref): Update documentation.
7725 (regclass): Set prefclass to NO_REGS if memory is the best option.
7726 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7728 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7730 PR tree-optimization/26821
7731 * tree-ssa-math-opts.c (get_constant_one): New.
7732 (insert_reciprocals): Use it.
7734 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7736 * dwarf2out.c (free_AT): Delete.
7737 (remove_AT): Update string ref counts.
7738 (remove_child_TAG): Don't call free_die.
7740 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7741 or DW_TAG_GNU_EINCL.
7742 (prune_unused_types_walk_attribs): Reset string refcounts.
7743 (prune_unused_types_update_strings): New.
7744 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7745 call free_die. Do call prune_unused_types_update_strings.
7746 (prune_unused_types): Empty debug_str_hash.
7748 2006-04-17 Roger Sayle <roger@eyesopen.com>
7750 * expr.c (expand_assignment): Optimize away no-op moves where the
7751 source and destination are equal and have no side-effects.
7753 2006-04-17 Richard Guenther <rguenther@suse.de>
7756 * reload.c (push_reload): Guard calls to get_secondary_mem
7759 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7761 * alias.c (reg_base_value, old_reg_base_value): Change the
7762 type to VEC(rtx,gc) *.
7763 (REG_BASE_VALUE, find_base_value, record_set,
7764 init_alias_analysis): Use VEC instead of VARRAY.
7766 * alias.c (alias_sets): Change the type to
7767 VEC(alias_set_entry,gc) *.
7768 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7769 VEC instead of VARRAY.
7770 (last_alias_set): Remove.
7772 * cgraph.h (cgraph_edge_p): New.
7773 Update the prototype of cgraph_function_versioning.
7774 * cgraphunit.c (cgraph_copy_node_for_versioning,
7775 cgraph_function_versioning): Use VEC instead of VARRAY.
7776 * ipa-cp.c (ipcp_insert_stage): Likewise.
7778 2006-04-16 Roger Sayle <roger@eyesopen.com>
7781 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7782 "A op B" or "A op C", we may need to convert A to the type of B and C.
7784 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7786 * target.h (struct gcc_target): Add mode_rep_extended.
7787 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7788 (init_num_sign_bit_copies_in_rep): Initialize it using
7790 (truncate_to_mode): Use it.
7791 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7792 * targhooks.h (default_mode_rep_extended): Declare it.
7793 * targhooks.c (default_mode_rep_extended): Define it.
7794 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7795 default_mode_rep_extended.
7796 (TARGET_INITIALIZER): Include it.
7797 * doc/tm.texi (Misc): Document it.
7798 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7799 (mips_truncated_to_mode): New function.
7801 2006-04-16 Roger Sayle <roger@eyesopen.com>
7804 * expr.c (compress_float_constant): Copy the narrow constant into
7805 a new pseudo before extending it to its final width.
7807 2006-04-16 Roger Sayle <roger@eyesopen.com>
7808 Andrew Pinski <pinskia@gcc.gnu.org>
7809 Dale Johannesen <dalej@apple.com>
7812 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7813 special case code to implement V8HImode and V16QImode with SSE2.
7815 2006-04-15 Roger Sayle <roger@eyesopen.com>
7817 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7818 trees are constructed with a suitable tree type.
7820 2006-04-15 Roger Sayle <roger@eyesopen.com>
7822 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7823 (integer_onep): Likewise.
7824 (integer_all_onesp): Likewise.
7825 (integer_pow2p): Likewise.
7826 (integer_nonzerop): Likewise.
7827 (real_zerop): Likewise.
7828 (real_onep): Likewise.
7829 (real_twop): Likewise.
7830 (real_minus_onep): Likewise.
7831 (int_size_in_bytes): Likewise.
7832 (host_integerp): Likewise.
7834 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7836 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7837 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7838 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7840 * tree-ssa-structalias.h (alias_info): Remove num_references.
7842 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7844 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7845 (output_bvb patterns): Likewise.
7846 * pa.c (output_bb): Use 'bb' insn for long branch case.
7847 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7848 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7849 1. Correct length operand for alternatives 1 and 2.
7850 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7851 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7853 2006-04-14 Roger Sayle <roger@eyesopen.com>
7855 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7856 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7857 were accidentally reverted by r112959.
7859 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7862 * except.h (eh_region_outermost): New prototype.
7863 * except.c (eh_region_outermost): New function.
7864 * tree-cfg.c (find_outermost_region_in_block): Use it.
7866 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7868 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7870 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7871 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7872 (init_reload, reload): Use VEC instead of VARRAY.
7873 * reload.h: Update the prototype for
7874 reg_equiv_memory_loc_varray.
7876 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7877 Eric Botcazou <ebotcazou@libertysurf.fr>
7879 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7882 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7885 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7886 to expand fallback builtin function call.
7888 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7891 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7892 and emit libcall here in case the builtin fails.
7893 (expand_builtin_strcmp): Always emit the libcall here on failure.
7895 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7897 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7898 * flow.c (reg_n_info): Change the type to
7899 VEC(reg_info_p,heap) *.
7900 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7902 * regs.h (reg_info_p): New.
7903 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7904 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7905 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7908 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7910 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7912 * params.h (MAX_SCHED_READY_INSNS): New macro.
7913 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7914 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7915 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7916 the ready list for 1 cycle during the first scheduling pass.
7917 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7919 2006-04-13 Richard Henderson <rth@redhat.com>
7922 * gimple-low.c (lower_omp_directive): Remove dead code.
7923 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7924 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7925 * omp-low.c (struct omp_region): Move to tree-flow.h.
7926 (root_omp_region): Export.
7927 (omp_regions, lookup_omp_region): Remove.
7928 (determine_parallel_type): Update for struct omp_region changes.
7929 (dump_omp_region): Dump regions with block numbers.
7930 (new_omp_region): Take type and block instead of stmt; malloc
7932 (free_omp_region_1, free_omp_regions): New.
7933 (expand_parallel_call): Take entry_stmt as argument; update for
7934 changes to omp_region.
7935 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7936 (remove_exit_barriers): New.
7937 (expand_omp_parallel): Update for struct omp_region changes.
7938 (expand_omp_synch): Likewise.
7939 (expand_omp): Likewise.
7940 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7941 (expand_omp_for_static_chunk): Likewise.
7942 (expand_omp_for): Likewise.
7943 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7944 (expand_omp_sections): Similarly, with GOMP_sections_end.
7945 (expand_omp_single): New.
7946 (build_omp_regions_1): Update for OMP_CONTINUE.
7947 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7948 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7949 OMP_SECTIONS_SECTIONS.
7950 (lower_omp_single_simple): Don't emit barrier here.
7951 (lower_omp_single_copy): Likewise.
7952 (lower_omp_single): Fix bindings, and lower to straightline now.
7953 (lower_omp_master, lower_omp_ordered): Likewise.
7954 (lower_omp_critical): Likewise.
7955 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7956 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7957 omp edges, free it afterward.
7958 (make_omp_sections_edges): Remove.
7959 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7960 (move_stmt_r): Handle OMP_CONTINUE.
7961 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7962 statement pointers to basic blocks. Add type member.
7963 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7964 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7965 * tree-inline.c (estimate_num_insns_1): Likewise.
7966 * tree-pretty-print.c (dump_generic_node): Likewise.
7967 * tree-ssa-operands.c (get_expr_operands): Likewise.
7968 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7969 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7970 (OMP_CONTINUE): New.
7971 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7972 (OMP_SECTIONS_SECTIONS): Remove.
7973 (OMP_SECTION_LAST): New.
7974 (OMP_RETURN_NOWAIT): New.
7976 2006-04-13 Roger Sayle <roger@eyesopen.com>
7978 * fold-const.c (native_encode_vector, native_interpret_real):
7979 Correct obvious mistakes in the previous check-in.
7981 2006-04-13 Roger Sayle <roger@eyesopen.com>
7983 * fold-const.c (native_encode_expr): New function to encode
7984 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7985 or VECTOR_CST into a specified buffer.
7986 (native_encode_int): New function.
7987 (native_encode_real): New function.
7988 (native_encode_complex): New function.
7989 (native_encode_vector): New function.
7990 (native_interpret_expr): Inverse of native_encode_expr to convert
7991 a target representation into an INTEGER_CST, REAL_CST etc...
7992 (native_interpret_int): New function.
7993 (native_interpret_real): New function.
7994 (native_interpret_complex): New function.
7995 (native_interpret_vector): New function.
7996 (fold_view_convert_expr): New function to constant fold/evaluate
7997 a VIEW_CONVERT_EXPR of a suitable constant expression.
7998 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7999 Change call of build1 to fold_build1 when constructing a
8002 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8003 Ulrich Weigand <uweigand@de.ibm.com>
8006 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8009 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8012 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8013 optimize to lo_sum for DFmode if !TARGET_FPRS.
8015 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8017 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8018 delete_alias_info, compute_flow_sensitive_aliasing,
8019 group_aliases): Use VEC instead of VARRAY.
8020 * tree-ssa-structalias.c (update_alias_info): Likewise.
8021 * tree-ssa-structalias.h (alias_info): Change the type of
8022 processed_ptrs to VEC(tree,heap) *.
8024 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8027 * config/sh/lib1funcs.h: New file, broken out of:
8028 * config/sh/lib1funcs.asm.
8029 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8031 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8032 * config/sh/lib1funcs-Os-4-200.asm: New file.
8033 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8034 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8035 (EXTRA_MULTILIB_PARTS): Include it.
8036 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8037 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8038 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8039 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8042 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8044 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8045 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8046 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8048 * tree-ssa-live.h: Include vecprim.h.
8049 (tree_partition_associator_d): Change the type of
8050 first_partition to VEC(int,heap) *.
8051 (tpa_first_partition): Use VEC instead of VARRAY.
8053 * Makefile.in (GTFILES): Move functions.h after tree.h.
8054 * function.c (reset_block_changes, record_block_change,
8055 check_block_change, free_block_changes): Use VEC instead of
8057 * function.h (function): Change the type of
8058 ib_boundaries_block to VEC(tree,gc) *.
8059 * tree-inline.c (copy_cfg_body): Initialize
8060 ib_boundaries_block to NULL instead of (varray_type) 0.
8062 2006-04-12 Roger Sayle <roger@eyesopen.com>
8064 * expr.c (emit_group_store): Correct operand order in call to
8065 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8066 a SUBREG_BYTE of zero.
8068 2006-04-12 Richard Guenther <rguenther@suse.de>
8070 * profile.c (compute_branch_probabilities): Remove code
8071 encapsulated in !ir_type (), which are remanents of the
8072 removed RTL profiling code.
8073 * rtl-profile.c: Remove.
8075 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8077 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8078 magic NULL_RTX comment.
8079 (function_arg): Store entire fp arg to mem if any part should go
8081 (rs6000_arg_partial_bytes): Adjust for above change.
8083 2006-04-11 Roger Sayle <roger@eyesopen.com>
8085 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8086 if it hasn't been initialized by dwarf2out_init.
8088 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8090 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8091 symbolic constants in branch patterns.
8093 2006-04-11 Roger Sayle <roger@eyesopen.com>
8095 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8097 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8099 PR rtl-optimization/27073
8100 * gcse.c (try_replace_reg): Revert last change. Continue to search
8101 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8104 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8106 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8107 aggregate types other than record and union types.
8108 (function_arg): Likewise.
8109 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8111 (function_value): In 64-bit mode, return objects that require it
8114 2006-04-11 Roger Sayle <roger@eyesopen.com>
8116 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8118 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8120 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8122 2006-04-03 Jeff Law <law@redhat.com>
8125 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8126 alias information too.
8128 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8130 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8132 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8135 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8136 (premark_used_types_helper): New.
8137 (premark_used_types): New.
8138 (gen_subprogram_die): Call premark_used_types.
8139 (prune_unused_types_walk): Do not prune perennial dies.
8140 * function.c (used_types_insert): New.
8141 * function.h (struct function): Add used_types_hash field.
8142 (used_types_insert): Add prototype.
8143 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8144 * c-parser.c (c_parser_cast_expression): Save casted types in used
8147 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8150 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8151 rs6000_explicit_options.float_gprs.
8153 2006-04-10 Roger Sayle <roger@eyesopen.com>
8155 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8156 from ix86_expand_vector_init_low_nonzero. Take an additional
8157 one_var argument indicating which element is non-zero. Support
8158 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8159 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8160 with one_var instead of ix86_expand_vector_init_low_nonzero.
8162 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8164 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8165 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8166 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8167 build/genextract.o): Depend on vecprim.h.
8168 * cfglayout.c, df-problems.c, function.c, genextract.c,
8169 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8170 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8174 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8176 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8177 Declare VECs of this type.
8178 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8179 (remove_children): Delete.
8180 (add_dwarf_attr): Use VEC routines.
8181 (add_AT_flag): Update for changes to add_dwarf_attr.
8182 (add_AT_int): Likewise.
8183 (add_AT_unsigned): Likewise.
8184 (add_AT_long_long): Likewise.
8185 (add_AT_vec): Likewise.
8186 (add_AT_string): Likewise.
8187 (add_AT_die_ref): Likewise.
8188 (add_AT_fde_ref): Likewise.
8189 (add_AT_loc): Likewise.
8190 (add_AT_loc_list): Likewise.
8191 (add_AT_addr): Likewise.
8192 (add_AT_lbl_id): Likewise.
8193 (add_AT_lineptr): Likewise.
8194 (add_AT_macptr): Likewise.
8195 (add_AT_offset): Likewise.
8196 (add_AT_range_list): Likewise.
8197 (get_AT): Use VEC_iterate.
8198 (remove_AT): Use VEC_ordered_remove.
8199 (free_die): Fold remove_children into here; have it use VEC_iterate.
8200 (print_die): Use VEC_iterate on attrs.
8201 (reverse_die_lists): Don't reverse attr lists.
8202 (die_checksum): Use VEC_iterate on attrs.
8203 (same_die_p): Likewise.
8204 (output_location_lists): Likewise.
8205 (build_abbrev_table): Likewise.
8206 (size_of_die): Likewise.
8207 (unmark_all_dies): Likewise.
8208 (output_abbrev_section): Likewise.
8209 (output_die): Likewise.
8210 (prune_unused_types_walk_attribs): Likewise.
8212 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8214 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8216 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8219 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8221 2006-04-09 Roger Sayle <roger@eyesopen.com>
8223 * expr.c (store_constructor): Don't bother clearing target if
8224 we're about to assign a vector to it using vec_init_optab.
8226 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8228 * tree-ssa-alias.c (lhs_may_store_to): New function.
8229 (recalculate_used_alone): Handle LHS of calls.
8231 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8235 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8236 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8237 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8238 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8239 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8240 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8241 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8242 stubs. Add ".align 8" directives before all ".dword" directives.
8243 (GTHREAD_USE_WEAK): Revise comment.
8244 (TARGET_ATTRIBUTE_WEAK): Define.
8245 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8246 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8247 * stublib.c: New file.
8252 * pa.md (cbranch patterns): Revise arguments used in calls to
8253 output_cbranch, output_bb and output_bvd. Add long branch length
8255 (fbranch patterns): Handle long branches.
8256 (jump): Revise length check. Revise arguments for output_lbranch call.
8257 Add long branch length attributes.
8258 (decrement_and_branch_until_zero): Add long branch length attributes.
8259 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8260 Likewise. Revise arguments for output_parallel_addb and
8261 output_parallel_movb calls.
8262 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8263 output_parallel_movb and output_parallel_addb): Update prototypes.
8264 * pa.c (output_cbranch): Revise arguments. Correct handling of
8265 nullification in long branches.
8266 (output_lbranch): Add new argument to control extraction of delay
8268 (output_bb): Handle long branches.
8269 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8270 output_parallel_addb): Likewise.
8272 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8274 PR rtl-optimization/27073
8275 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8278 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8280 * tree.h (tree_memory_tag): Add old_used_alone.
8281 (SMT_OLD_USED_ALONE): New macro.
8282 * tree-ssa-alias.c (recalculate_used_alone): Stop
8283 marking things for renaming unnecessarily.
8285 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8287 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8288 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8289 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8290 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8291 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8292 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8293 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8294 spelling convensions.
8295 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8296 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8297 typos. Follow spelling conventions.
8299 2006-04-07 DJ Delorie <dj@redhat.com>
8301 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8302 passed on the stack.
8303 (m32c_init_cumulative_args): When a function returns a structure,
8304 always pass the pointer to that return area on the stack.
8305 (m32c_function_arg_advance): Don't increment the parameter number
8306 if we're processing the returned structure pointer.
8307 (pushm_info): Reverse order of registers.
8309 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8311 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8312 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8313 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8314 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8316 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8317 chrec_fold_multiply): Same.
8318 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8319 force_expr_to_var_cost): Same.
8320 * tree-mudflap.c (mf_xform_derefs_1): Same.
8321 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8323 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8325 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8326 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8329 2006-04-07 Jan Hubicka <jh@suse.cz>
8331 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8333 2006-04-07 Richard Guenther <rguenther@suse.de>
8335 PR tree-optimization/26135
8336 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8337 loads for store copy-prop.
8338 (copy_prop_visit_stmt): Likewise.
8340 2006-04-05 Robert Millan <robertmh@gnu.org>
8342 * config/i386/linux.h: Add a comment to mark macros that are
8343 being overriden in config/k*bsd-gnu.h.
8344 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8346 * config/knetbsd-gnu.h: Ditto.
8348 2006-04-06 Jan Hubicka <jh@suse.cz>
8352 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8355 2006-04-06 Mike Stump <mrs@apple.com>
8357 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8358 for HAVE_nonlocal_goto to be consistent.
8359 (expand_builtin_nonlocal_goto): Likewise.
8360 (expand_builtin_strcmp): Use #ifdef instead of #if
8361 for HAVE_cmpstrnsi to be consistent.
8363 2006-04-05 DJ Delorie <dj@redhat.com>
8365 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8368 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8370 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8371 got-relative addressing for anything but SImode.
8373 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8374 even if the calling function doesn't modify them.
8376 2006-04-05 Richard Guenther <rguenther@suse.de>
8378 PR tree-optimization/26919
8379 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8380 to cgraph_estimate_size_after_inlining.
8382 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8384 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8386 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8388 PR tree-optimization/26996
8389 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8390 VECTOR_TYPE variables.
8392 2006-04-05 Richard Guenther <rguenther@suse.de>
8394 PR tree-optimization/26763
8395 * fold-const.c (fold_comparison): Move folding of
8396 PTR + CST CMP PTR + CST ...
8397 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8399 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8401 * doc/install.texi (Prerequisites): Refine some wording on
8402 bootstrapping and ksh.
8403 Move the version numbers of DejaGnu here from the testing section
8404 and fix casing of names.
8405 Fix markup and clarify wording for autogen requirements.
8406 Refer to GCJ instead of just java.
8407 Refer to SVN instead of CVS.
8408 Describe diffutils as useful instead of necessary.
8409 (Downloading the source): Refer to SVN instead of CVS.
8410 Adjust a link to our web site accordingly.
8411 (Configuration): Fix casing of Bison.
8412 (Building): Refer to SVN instead of CVS.
8413 Fix a sentence on the use of Bison and remove duplicate (and
8414 incorrect) version number of Bison requirement.
8415 Remove one redundant list of packages needed for building.
8416 (Specific): Avoid reference to CVS.
8418 2006-04-04 Eric Christopher <echristo@apple.com>
8420 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8421 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8422 (rs6000_handle_struct_attribute): New.
8423 (rs6000_ms_bitfield_layout_p): Ditto.
8425 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8427 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8428 NULL for dso parameter to atexit_common.
8430 2006-04-04 Eric Christopher <echristo@apple.com>
8432 * config/i386/i386.c (machopic_output_stub): Output \t
8433 between instructions and operands.
8435 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8437 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8438 satisfies_constraint_[IL] to explicit tests on value.
8440 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8442 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8443 set_nb_iterations_in_loop): Use build_int_cst instead of
8445 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8446 build_int_cst instead of convert.
8448 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8450 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8451 new value 2 for incoming.
8452 * function.c (expand_function_start): Call struct_value_rtx
8454 * config/sparc/sparc.md: Comment updated_return.
8455 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8456 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8457 struct return if sparc_std_struct_return and incoming is 2.
8458 (print_operand): Do not adjust return if
8459 sparc_std_struct_return.
8461 2006-04-04 Roger Sayle <roger@eyesopen.com>
8463 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8464 convert in the middle-end.
8465 * expr.c (store_expr, store_constructor, get_inner_reference,
8466 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8468 * tree.c (build_range_type): Likewise.
8470 2006-04-04 Tom Tromey <tromey@redhat.com>
8472 * doc/install.texi (Prerequisites): Mention jar.
8474 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8476 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8479 2006-04-04 Matthias Klose <doko@debian.org>
8481 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8485 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8488 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8490 * doc/extend.texi (Function Attributes): Rewrite visibility
8491 attribute documentation.
8492 * doc/invoke.texi (C++ Dialect Options): Rewrite
8493 -fvisibility-inlines-hidden documentation to describe something
8494 entirely different, although in practise compatible.
8495 (Code Gen Options): Warn about system headers in -fvisibility=
8498 * doc/extend.texi (Other Builtins): Document that
8499 __builtin_nan is a compile-time constant only when its argument
8502 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8504 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8505 trying to remove TRUNCATE check if all bits outside the new mode
8506 are identical to the sign bit.
8508 2006-04-03 Jeff Law <law@redhat.com>
8510 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8511 and operand scanning in some common cases.
8513 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8514 Dale Johannesen <dalej@apple.com>
8517 * regclass.c (struct reg_pref): Update documentation.
8518 (regclass): Set prefclass to NO_REGS if memory is the best option.
8519 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8520 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8521 into account. For non-registers, equate an empty preferred
8522 reload class to a `!' in the constraint; move the if clause to
8523 do so after those that reject the insn.
8524 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8526 (find_dummy_reload): Likewise.
8527 * doc/tm.texi (Register Classes): Document what it means
8528 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8529 * config/i386/i386.c (ix86_preferred_reload_class): Force
8530 using SSE registers (and return NO_REGS for floating-point
8531 constants) if math is done with SSE.
8532 (ix86_preferred_output_reload_class): New.
8533 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8534 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8535 * config/i386/i386.md: Remove # register preferences.
8537 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8540 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8541 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8542 the type of nb_iter.
8543 (instantiate_parameters_1): Convert the operands before calling
8544 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8545 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8547 2006-04-02 Roger Sayle <roger@eyesopen.com>
8549 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8550 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8552 * dojump.c (do_jump): Likewise.
8553 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8554 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8555 gimplify_boolean_expr): Likewise.
8556 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8557 * varasm.c (array_size_for_constructor): Likewise.
8558 * tree-object-size.c (compute_object_offset): Likewise.
8560 2006-04-02 Roger Sayle <roger@eyesopen.com>
8563 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8564 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8566 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8568 PR tree-optimization/26939
8569 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8571 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8573 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8574 at_stmt. Convert the type of operands before calling
8575 build_polynomial_chrec.
8576 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8578 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8579 (instantiate_parameters_1): Convert the type of operands before calling
8580 build_polynomial_chrec.
8581 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8582 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8583 reset_evolution_in_loop): Insert asserts to check the types of the
8585 (chrec_type): Moved...
8586 (eq_evolutions_p): Use operand_equal_p.
8587 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8588 the types of the operands.
8589 (chrec_type): ...here.
8590 * tree-data-ref.c (create_data_ref): Convert the operands before
8591 calling chrec_replace_initial_condition.
8592 (same_access_functions, analyze_subscript_affine_affine,
8593 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8594 (compute_subscript_distance, analyze_ziv_subscript,
8595 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8596 analyze_miv_subscript): Convert the operands before calling
8597 chrec_fold_minus or chrec_fold_plus.
8599 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8601 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8602 the dependence_relations vector.
8603 (compute_data_dependences_for_loop): Adjust call to
8604 compute_all_dependences.
8606 2006-04-01 Roger Sayle <roger@eyesopen.com>
8607 Richard Henderson <rth@redhat.com>
8609 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8610 gimple_boolify on the condition before calling gimplify_expr.
8612 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8614 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8615 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8616 the frame size. Update to use the new macros.
8617 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8618 * config/xtensa/ieee754-df.S: Likewise.
8620 2006-03-31 Richard Henderson <rth@redhat.com>
8622 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8623 (make_edges): ... here. Control fallthru creation with a local
8624 variable. Do not play with fake edges.
8625 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8626 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8629 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8631 * dwarf2.h (DW64_CIE_ID): Define.
8632 * dwarf2out.c (DWARF_CIE_ID): Define.
8633 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8634 length header. Use DWARF_CIE_ID.
8635 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8636 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8638 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8640 * config/sh/linux-atomic.asm: New file.
8641 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8643 2006-03-31 DJ Delorie <dj@redhat.com>
8645 * config/m32c/cond.md: Set condition flags properly throughout.
8646 * config/m32c/minmax.md: Likewise.
8647 * config/m32c/prologue.md: Likewise.
8648 * config/m32c/bitops.md: Likewise.
8649 * config/m32c/muldiv.md: Likewise.
8650 * config/m32c/mov.md: Likewise.
8651 * config/m32c/addsub.md: Likewise.
8652 * config/m32c/m32c.md: Likewise.
8653 * config/m32c/jump.md: Likewise.
8654 * config/m32c/shift.md: Likewise.
8656 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8657 conditionally output the pattern for this.
8658 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8659 (m32c_compare_redundant): New.
8660 (m32c_output_compare): New.
8661 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8663 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8664 dest, not src. Allow other 4-byte modes.
8666 2006-03-30 Denis Chertykov <denisc@overta.ru>
8668 * doc/md.texi: Refer to avr/constraints.md instead of
8671 2006-03-30 Roger Sayle <roger@eyesopen.com>
8673 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8674 signed vs. unsigned comparison failures on some hosts.
8676 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8679 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8680 change to FLOAT_REGS.
8682 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8683 (rs6000_override_options): Use it.
8684 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8685 only for -mabi=spe/no-spe and -mabi=altivec.
8687 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8689 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8692 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8694 * Makefile.in: Rename docdir to gcc_docdir.
8696 2006-03-30 Roger Sayle <roger@eyesopen.com>
8699 * expr.c (emit_group_store): Optimize group stores into a pseudo
8700 register by using a paradoxical subreg to initialize the destination
8701 if the first or last member of the group specifies a "low part".
8703 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8706 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8707 * target.h (struct gcc_target.speculate_insn): Change type of the
8708 second parameter to 'int'.
8709 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8710 the second operand of the DEPS_LIST.
8711 (copy_DEPS_LIST_list): Update reference to the second operand of the
8713 * rtl.h (alloc_DEPS_LIST): Update signature.
8714 * sched-int.h (ds_t): Change typedef to 'int'.
8715 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8717 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8719 * haifa-sched.c (try_ready): Change condition to restore
8720 non-speculative pattern of the instruction.
8721 (process_insn_depend_be_in_spec): Code to keep probability of the
8722 speculative dependence non-decreasing.
8724 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8726 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8727 (single_move_for_movmem): ... this. Also change all uses.
8728 (bfin_expand_strmov): Renamed to...
8729 (bfin_expand_movmem): ... this. Also change all uses.
8730 * config/bfin/bfin.md (movstrsi): Renamed to...
8731 (movstrsi): ...this.
8733 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8735 PR tree-optimization/26830
8737 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8738 (copy_prop_visit_stmt): Remove write-only variable ann.
8739 (init_copy_prop): Check variable loop depth here. Do not simulate
8740 memory-tag and virtual operand PHIs except for store copy prop.
8742 2006-03-30 Richard Guenther <rguenther@suse.de>
8744 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8745 variants with double arguments.
8747 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8749 * genpreds.c (write_tm_constrs_h): Delete variable p.
8750 * genconditions.c (write_header): Add tm-constrs.h to included
8752 * genpeep.c (main): Add toplev.h to included headers.
8753 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8754 (build/genpeep.o): Add toplev.h dependency.
8755 * config/rs6000/constraints.md: Add "W" constraint.
8757 2006-03-29 Roger Sayle <roger@eyesopen.com>
8759 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8760 sizes by correctly testing whether the size fits a host integer.
8761 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8762 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8763 SImode range for the default sizetype and bitsizetype.
8765 2006-03-29 Roger Sayle <roger@eyesopen.com>
8767 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8768 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8769 quickly if the argument is already of the correct type.
8770 Call fold_build1 instead of build1. Tidy up blank lines.
8772 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8774 * genemit.c (main): Add tm-constrs.h to included headers.
8775 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8776 * genpeep.c (main): Add tm-constrs.h to included headers.
8777 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8778 (write_tm_constrs_h): this and write complete file.
8779 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8780 (write_insn_preds_c): Add tm-constrs.h to included headers.
8781 (gen_constrs): New variable.
8782 (parse_option): Parse "-c".
8783 (main): Invoke write_tm_constrs_h.
8784 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8785 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8786 (object_out_file): Add tm-constrs.h dependency.
8787 (insn-emit.o): Same.
8788 (insn-output.o): Same.
8789 (insn-peep.o): Same.
8790 (insn-preds.o): Same.
8791 (insn-recog.o): Same.
8792 (tm-constsr.h): New target.
8793 (s-constrs-h): New target.
8795 * config/rs6000/constraints.md: New file.
8796 * config/rs6000/rs6000.c: Include tm-constrs.h.
8797 (num_insn_constant_wide): Convert to satisfies_constraint.
8798 (rs6000_rtx_costs): Convert to satisfies_constraint.
8799 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8800 (CONST_OK_FOR_LETTER_P): Delete.
8801 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8802 (EXTRA_CONSTRAINT): Delete.
8803 (EXTRA_MEMORY_CONSTRAINT): Delete.
8804 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8805 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8806 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8807 satisfies_constraint.
8809 * config/i386/i386.c: Include tm-constrs.h.
8811 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8813 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8814 * tree-data-ref.c (find_data_references_in_loop,
8815 compute_data_dependences_for_loop): Use pointers to VEC.
8816 (analyze_all_data_dependences): Adjust calls.
8817 * tree-data-ref.h (find_data_references_in_loop,
8818 compute_data_dependences_for_loop): Adjust declarations.
8819 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8820 compute_data_dependences_for_loop.
8822 2006-03-29 Paul Brook <paul@codesourcery.com>
8824 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8827 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8829 PR tree-optimization/26859
8830 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8832 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8833 for the step after fold_convert.
8835 2006-03-29 Paul Brook <paul@codesourcery.com>
8837 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8838 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8840 2006-03-29 Paul Brook <paul@codesourcery.com>
8843 * targhooks.c (default_narrow_bitfield): New fuction.
8844 * targhooks.h (default_narrow_bitfield): add prototype.
8845 * target.h (gcc_target): Add narrow_volatile_bitfield.
8846 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8847 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8848 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8849 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8851 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8853 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8855 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8856 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8857 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8858 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8859 (s390_function_arg_float): Allow SDmode and DDmode values to be
8860 passed in floating point registers.
8861 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8862 check with SCALAR_FLOAT_MODE_P.
8863 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8865 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8867 PR tree-optimization/25985
8868 * tree-ssa-loop-niter.c (number_of_iterations_le,
8869 number_of_iterations_ne): Make comments more precise.
8870 (number_of_iterations_cond): Add only_exit argument. Use the
8871 fact that signed variables do not overflow only when only_exit
8873 (loop_only_exit_p): New.
8874 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8875 number_of_iterations_cond.
8877 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8879 PR tree-optimization/26643
8880 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8883 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8885 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8886 (divsi3_i4_int): Likewise.
8888 2006-03-28 Roger Sayle <roger@eyesopen.com>
8890 * expr.c (emit_group_store): Only create a new pseudo reg if the
8891 quantity it needs to hold isn't already a suitable pseudo.
8893 2006-03-28 Jeff Law <law@redhat.com>
8895 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8896 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8898 2006-03-28 Roger Sayle <roger@eyesopen.com>
8900 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8901 the equivalent ~X & Y, and the symmetry related transformations.
8902 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8903 ~X & Y, and symmetry related transforms.
8905 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8907 Revert my 2006-03-27 patches.
8909 2006-03-28 Roger Sayle <roger@eyesopen.com>
8911 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8912 ~(T1)X, when T1 and T2 are integer types of the same precision
8913 and (T2)X isn't an extension.
8915 2006-03-28 Jeff Law <law@redhat.com>
8917 PR tree-optimization/26796
8918 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8919 need EH edge cleanups rather than purging them immediately.
8920 (eliminate_degenerate_phis): Handle queued EH cleanups.
8922 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8924 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8927 2006-03-27 Roger Sayle <roger@eyesopen.com>
8930 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8931 cast BIT_NOT_EXPR operand to the correct type.
8933 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8935 * tree-loop-linear.c: Don't include varray.h.
8936 (gather_interchange_stats, try_interchange_loops,
8937 linear_transform_loops): Use VEC instead of VARRAY.
8938 * lambda-mat.c: Don't include varray.h.
8939 * tree-chrec.c: Same.
8940 * lambda-trans.c: Same.
8941 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8942 VEC instead of VARRAY.
8943 * tree-vectorizer.h: Idem.
8944 * tree-data-ref.c (dump_data_references,
8945 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8946 initialize_data_dependence_relation, finalize_ddr_dependent,
8947 compute_all_dependences, find_data_references_in_loop,
8948 compute_data_dependences_for_loop, analyze_all_data_dependences,
8949 free_dependence_relation, free_dependence_relations,
8950 free_data_refs): Idem.
8951 * tree-data-ref.h (data_reference_p, subscript_p): New.
8952 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8953 VEC instead of VARRAY.
8954 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8955 (find_data_references_in_loop, compute_data_dependences_for_loop,
8956 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8957 dump_data_dependence_relations, free_dependence_relations,
8958 free_data_refs): Adjust declaration.
8959 (lambda_transform_legal_p): Move declaration here...
8960 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8961 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8962 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8963 vect_analyze_data_refs): Use VEC instead of VARRAY.
8964 * lambda.h (lambda_transform_legal_p): ...from here.
8965 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8966 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8967 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8968 tree-chrec.o): Don't depend on VARRAY_H.
8970 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8972 * rtl.def (Copyright): Update date.
8973 (DEPS_LIST): Change type of the second operand to 'int'.
8974 * target.h (Copyright): Update date.
8975 (struct gcc_target.speculate_insn): Change type of the second parameter
8977 * lists.c (Copyright): Update date.
8978 (alloc_DEPS_LIST): Change signature. Update reference to the second
8979 operand of the DEPS_LIST.
8980 (copy_DEPS_LIST_list): Update reference to the second operand of the
8982 * rtl.h (Copyright): Update date.
8983 (alloc_DEPS_LIST): Update signature.
8984 * sched-int.h (Copyright): Update date.
8985 (ds_t): Change typedef to 'int'.
8986 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8988 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8990 * haifa-sched.c (Copyright): Update date.
8991 (try_ready): Change condition to restore non-speculative pattern
8993 (process_insn_depend_be_in_spec): Code to keep probability of the
8994 speculative dependence non-decreasing.
8996 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8998 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8999 shut up the compiler.
9001 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9003 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9004 to use lib prefix for target.
9005 ($(T)libic_invalidate_array_4-200.a): Likewise.
9006 ($(T)libic_invalidate_array_4a.a): Likewise.
9008 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9009 J"orn Rennecke <joern.rennecke@st.com>
9011 * superh.opt: New file.
9012 * sh.c (boardtype, osruntime): Remove.
9013 * superh.h (SUBTARGET_OPTIONS): Remove.
9014 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9016 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9017 arguments with ^ and/or [].
9019 * config.gcc (sh-*-*): Add quoting to account for quirk of
9021 Replace == with = in enable_incomplete_targets test.
9023 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9024 with MASK_LITTLE_ENDIAN.
9026 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9027 * config/sh/sh.opt: Added to some comments.
9028 * config/sh/superh.h: Removed some chaff.
9030 * config/sh/sh.opt: Add m4-[1234]00* options.
9031 * config/sh/sh.c (sh_handle_option): Likewise.
9032 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9033 (ic_invalidate_array_4-100.o): New rule.
9034 ($(T)libic_invalidate_array_4-100.a): Likewise.
9035 (ic_invalidate_array_4-200.o): Likewise.
9036 ($(T)libic_invalidate_array_4-200.a): Likewise.
9037 (ic_invalidate_array_4a.o): Likewise.
9038 ($(T)libic_invalidate_array_4a.a): Likewise.
9039 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9040 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9042 * config/sh/crt1.asm: Merged in profiling code.
9043 * config/sh/superh.h (STARTFILE_SPEC): Override.
9044 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9045 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9046 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9048 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9049 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9050 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9052 * sh.opt (mpretend-cmove): New option.
9053 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9054 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9055 (movsicc): Add TARGET_PRETEND_CMOVE code.
9057 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9059 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9060 s390_class_max_nregs): New function prototypes.
9061 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9062 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9063 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9064 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9066 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9068 * dwarf2out.c (add_location_or_const_value_attribute): Call
9069 tree_add_const_value_attribute if nothing else works.
9070 (reference_to_unused): New.
9071 (rtl_for_decl_init): Use reference_to_unused to decide whether
9072 to output an initializer.
9074 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9077 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9078 peephole removing spe frob_di_df_2.
9080 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9082 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9083 (subscript_dependence_tester_1): Declared.
9084 (print_dir_vectors, print_dist_vectors): New.
9085 (debug_data_dependence_relation): New.
9086 (dump_data_dependence_relation): Print more details.
9087 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9088 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9089 (save_dist_v, save_dir_v, add_outer_distances,
9090 build_classic_dist_vector_1): New.
9091 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9092 Don't test for lambda_vector_lexico_pos.
9093 (same_access_functions, add_multivariate_self_dist,
9094 add_other_self_distances, dir_from_dist): New.
9095 (build_classic_dir_vector): Replace implementation almost identical to
9096 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9098 (subscript_dependence_tester_1): New.
9099 (subscript_dependence_tester): Handle the lexicographically negative
9100 distance vectors by recomputing the dependence relation.
9101 (compute_affine_dependence): Remove parameter loop_nest_depth.
9102 (compute_self_dependence): Don't call compute_subscript_distance.
9103 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9104 Add a parameter for the loop_nest.
9105 (find_loop_nest_1, find_loop_nest): New.
9106 (compute_data_dependences_for_loop): Compute the loop nest, and give
9107 up if the nest is not well formed.
9108 * tree-data-ref.h (loop_p): New.
9109 (struct data_dependence_relation): Replace size_vect field with
9110 loop_nest, a vec of loops.
9111 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9112 (DDR_LOOP_NEST): New.
9113 (print_dir_vectors, print_dist_vectors,
9114 debug_data_dependence_relation): Declared.
9115 (index_in_loop_nest): New.
9116 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9117 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9120 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9122 * simplify-rtx.c (simplify_relational_operation): Call
9123 simplify_relational_operation_1 even if mode is VOIDmode.
9125 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9127 PR tree-optimization/26804
9128 * tree.h (DECL_CALL_CLOBBERED): New macro.
9129 (tree_decl_common): Add call_clobbered_flag.
9130 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9131 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9132 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9133 (mark_non_addressable): Ditto.
9134 * tree-ssa.c (verify_call_clobbered): New function.
9135 (verify_alias_info): Use it.
9136 * tree-pass.h (pass_reset_cc_flags): New prototype.
9137 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9138 (reset_cc_flags): New function.
9139 * passes.c (init_optimization_passes): Call reset_cc_flags after
9140 initializing referenced_vars.
9142 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9143 Roger Sayle <roger@eyesopen.com>
9146 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9147 to 1.0 for non-real operands. Implement A / A optimization for
9150 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9152 * config/i386/i386.c (size_cost): Correct the comment for
9153 cost of storing fp registers.
9154 (i386_cost): Likewise.
9155 (i486_cost): Likewise.
9156 (pentium_cost): Likewise.
9157 (pentiumpro_cost): Likewise.
9158 (k6_cost): Likewise.
9159 (athlon_cost): Likewise.
9160 (k8_cost): Likewise.
9161 (pentium4_cost): Likewise.
9162 (nocona_cost): Likewise.
9163 (generic64_cost): Likewise.
9164 (generic32_cost): Likewise.
9166 2006-03-24 Denis Chertykov <denisc@overta.ru>
9168 * config/avr/avr-protos.h (extra_constraint): Delete.
9169 (extra_constraint_Q): New declaration.
9170 * config/avr/constraints.md: New file.
9171 * config/avr/avr.md: Include it.
9172 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9173 (TMP_REGNO, ZERO_REGNO): Likewise.
9174 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9175 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9176 (extra_constraint): Delete.
9177 (extra_constraint_Q): Test for memory constraint 'Q'.
9178 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9179 (REG_CLASS_FROM_LETTER): Delete.
9180 (CONST_OK_FOR_LETTER_P): Delete.
9181 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9182 (EXTRA_CONSTRAINT): Delete.
9183 (TMP_REGNO): Delete.
9184 (ZERO_REGNO): Delete.
9186 2006-03-24 Jeff Law <law@redhat.com>
9188 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9189 directly. Call mark_new_vars_to_rename slightly earlier.
9191 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9193 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9195 (gen_compile_unit_die): Use new language types for Objective-C and
9197 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9198 DW_LANG_C_plus_plus.
9201 * config/t-darwin (crt3.o): Work around bug 26840.
9202 * config/darwin-crt3.c: Rewrite.
9203 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9205 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9207 * doc/invoke.texi: Document -femit-class-debug-always
9208 * common.opt: Add -femit-class-debug-always.
9210 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9212 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9213 index and base register.
9214 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9215 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9216 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9217 REGNO_OK_FOR_INDEX_P.
9218 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9220 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9221 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9222 REG_OK_FOR_BASE_P): Definitions removed.
9224 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9227 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9228 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9229 set yet or weren't marked as local yet.
9231 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9233 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9236 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9238 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9239 (rs6000_legitimate_small_data_p): Delete.
9240 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9241 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9242 and make static. Add forward declaration. Update uses.
9243 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9244 of offsettable_memref_p.
9245 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9246 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9248 2006-03-24 Jeff Law <law@redhat.com>
9250 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9251 around bug in immediate-use iterator.
9253 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9256 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9257 or __LITTLE_ENDIAN__.
9259 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9261 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9262 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9263 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9264 * config/sh/sh.opt (mdiv=): Amend description.
9265 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9266 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9267 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9268 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9269 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9270 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9271 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9272 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9273 TARGET_DIVIDE_CALL_FP.
9275 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9277 * haifa-sched.c (choose_ready): Fix type of the local variable.
9278 Move local variables. Add comment.
9279 (check_reg_live): Change signature. Make callable from debugger.
9280 * sched-int.h (check_reg_live): Update signature.
9281 * sched-ebb.c (check_reg_live): Update parameters.
9282 * sched-rgn.c (check_reg_live): Ditto.
9283 (region_head_or_leaf_p): Check pointer before dereferencing.
9284 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9285 before reload on optimization levels below 1.
9287 2006-03-23 Richard Henderson <rth@redhat.com>
9289 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9293 * config/alpha/predicates.md (local_symbolic_operand): Reject
9296 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9299 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9300 expressions which have overflowed constants.
9302 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9304 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9306 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9308 * cfgloopmanip.c (create_loop_notes): Removed.
9309 * final.c (final_scan_insn): Do not handle loop notes.
9310 * jump.c (squeeze_notes): Ditto.
9311 * cfglayout.c (skip_insns_after_block,
9312 duplicate_insn_chain): Ditto.
9313 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9315 * cfgloop.h (create_loop_notes): Declaration removed.
9317 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9319 * varasm.c (output_constant_pool): Restore fnname and fndecl
9321 (assemble_start_function): Adjust call accordingly.
9322 (assemble_end_function): Likewise.
9324 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9327 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9330 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9332 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9335 * system.h (ICE_EXIT_CODE): New macro.
9336 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9337 (diagnostic_action_after_output): Likewise.
9338 * gcc.c (fatal_ice): New function.
9339 (execute): Use it instead of fatal.
9340 (fancy_abort): Likewise.
9341 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9343 2006-03-22 Jeff Law <law@redhat.com>
9345 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9346 iv_analyze_result returning false.
9348 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9350 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9352 2006-03-22 Richard Henderson <rth@redhat.com>
9355 * except.c (duplicate_eh_regions_0): New.
9356 (duplicate_eh_region_1): Duplicate the children of the node as
9357 well as the node itself. Link them up properly.
9358 (duplicate_eh_region_2): Merge into ...
9359 (duplicate_eh_regions): ... here. Take copy_region argument, and
9360 copy only a sub-tree if asked. Simplify copying and fixup.
9361 (eh_region_outer_p): New.
9362 * except.h (duplicate_eh_regions): Update decl.
9363 (eh_region_outer_p): Declare.
9364 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9365 (lower_omp_master): Likewise.
9366 (lower_omp_ordered): Likewise.
9367 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9368 (move_stmt_r): Use it to remap labels. Handle recursion vs
9369 remap_decls_p properly.
9370 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9371 (find_outermost_region_in_block): New.
9372 (new_label_mapper): New.
9373 (move_sese_region_to_fn): Copy eh information to the new function
9375 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9377 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9380 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9382 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9383 into shared libraries.
9385 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9387 * doc/md.texi: Refer to i386/constraints.md instead of
9389 * config/i386/constraints.md: New file, extracted from...
9390 * config/i386/predicates.md: ...here.
9391 * config/i386/i386.md: Include constraints.md.
9393 2006-03-21 Jason Merrill <jason@redhat.com>
9395 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9398 * expr.c (init_block_move_fn): Force default visibility.
9399 (init_block_clear_fn): Likewise.
9400 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9401 * targhooks.c (default_external_stack_protect_fail): Likewise.
9403 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9405 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9406 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9407 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9408 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9409 (loadgp): Use mips_current_loadgp_style.
9410 (loadgp_noshared): New pattern.
9411 (sibcall_internal): Use MIPS_CALL.
9412 (sibcall_value_internal): Likewise.
9413 (sibcall_value_multiple_internal): Likewise.
9414 (call_internal): Likewise.
9415 (call_value_internal): Likewise.
9416 (call_value_multiple_internal): Likewise.
9417 (call_split): Use MIPS_CALL and add an 'S' constraint.
9418 (call_value_split): Likewise.
9419 (call_value_multiple_split): Likewise.
9420 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9421 (-mshared): New option.
9422 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9423 (mips_current_loadgp_style): Declare.
9424 * config/mips/mips.c (mips_classify_symbol): Avoid using
9425 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9426 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9427 TARGET_ABSOLUTE_ABICALLS.
9428 (override_options): Adjust comments. Improve the warning that is
9429 issued when -mabicalls and -G are used together.
9430 (mips_file_start): Remove comment.
9431 (mips_current_loadgp_style): New function.
9432 (mips_gnu_local_gp): New variable.
9433 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9435 (mips_output_function_prologue): Use mips_current_laodgp_style.
9436 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9437 the cprestore instruction.
9438 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9439 live for TARGET_ABSOLUTE_ABICALLS.
9440 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9441 (ASM_SPEC): Pass down -mshared and -mno-shared.
9442 (MIPS_CALL): New macro.
9443 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9445 * doc/invoke.texi (-mabicalls): Update documentation.
9446 (-mshared): Document.
9448 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9450 * config/ia64/unwind-hpux.c: New file.
9451 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9453 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9456 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9458 2006-03-21 Jeff Law <law@redhat.com>
9460 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9461 type conversions of a VR_VARYING source to a wider type.
9463 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9465 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9466 tm_file on Solaris 10 and later.
9467 (sparc64-*-solaris2*): Likewise.
9468 (sparc-*-solaris2*): Likewise.
9469 * config/sol26.h: Rename to config/sol2-6.h.
9470 * config/sol2-10.h: New file.
9472 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9475 * tree-ssa-pre.c (create_component_ref_by_pieces):
9478 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9481 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9482 return it immediately.
9484 2006-03-21 Michael Matz <matz@suse.de>
9486 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9488 (remove_arc, add_arc): Update num_out_arcs member.
9489 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9491 (cache_presence): New function.
9492 (compare_states_for_equiv): New function.
9493 (state_is_differed): Don't take number of outargs, adjust callers.
9494 Use new invariant for speeding up.
9495 (init_equiv_class): Create initial classes based on sorted
9497 (partition_equiv_class): Don't track out_arcs_num.
9498 (evaluate_equiv_classes): Call cache_presence on all states and
9501 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9503 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9504 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9505 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9506 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9508 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9509 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9510 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9511 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9512 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9514 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9515 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9516 (REGNO_REG_CLASS): ARGP is in PREGS.
9517 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9519 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9520 to deal with those addresses.
9521 * addresses.h: New file.
9522 * caller-save.c: Include "addresses.h".
9523 (init_caller_save): Use new base_reg_class function.
9524 * rtl-factoring.c: Include "addresses.h".
9525 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9526 * recog.c: Include "addresses.h".
9527 (preprocess_constraints): Use new base_reg_class function.
9528 * regrename.c: Include "addresses.h".
9529 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9530 functions. Keep track of a new var INDEX_CODE to compute valid
9532 (replace_oldest_value_addr): Likewise.
9533 (replace_oldest_value_mem): Use base_reg_class.
9534 * reload.c: Include "addresses.h".
9535 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9536 (find_reloads): Use new base_reg_class function.
9537 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9538 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9539 all callers and prototype changed.
9540 * reload1.c: Include "addresses.h".
9541 (maybe_fix_stack_asms): Use base_reg_class.
9542 * regclass.c: Include "addresses.h".
9543 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9544 (init_reg_autoinc): Use new base_reg_class function.
9545 (record_reg_classes): Likewise.
9546 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9547 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9548 Use new args to compute necessary class.
9550 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9551 regrename.o, rtl-factoring.o): Update dependencies.
9552 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9553 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9554 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9555 REG_OK_FOR_INDEX_P): Delete documentation.
9557 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9559 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9560 from V7 to V9 for Solaris 7 and above.
9562 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9564 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9565 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9566 argument pointers may not alias any other storage.
9567 * common.opt: Define option -fargument-noalias-anything.
9568 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9569 alias semantics is specified by flag_argument_noalias > 2.
9571 2006-03-20 Jeff Law <law@redhat.com>
9573 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9574 (pass_phi_only_cprop): Declare.
9575 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9577 * tree-ssa-dom.c (degenerate_phi_result): New function.
9578 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9579 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9580 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9581 (eliminate_degenerate_phis): Likewise.
9582 (pass_phi_only_cprop): New pass descriptor.
9583 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9584 support code. Callers updated.
9585 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9586 (store_copy_prop): Likewise.
9587 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9589 2006-03-20 Jason Merrill <jason@redhat.com>
9592 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9593 (push_visibility, pop_visibility): Likewise.
9594 * c-pragma.h: Declare them.
9596 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9598 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9600 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9601 parameter and use get_ebb_head_tail.
9602 (sh_md_init_global): Adjust uses of find_regmode_weight.
9604 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9606 * function.h (struct function) <x_tail_recursion_reentry>:
9607 Rename to x_stack_check_probe_note.
9608 (tail_recursion_reentry): Rename to stack_check_probe_note.
9609 * function.c: Replace tail_recursion_reentry with
9610 stack_check_probe_note everywhere.
9611 (expand_function_start): Only emit a note for
9612 stack_check_probe_note with -fstack-protect.
9613 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9615 * emit-rtl.c (remove_unnecessary_notes): Remove.
9616 (pass_remove_unnecessary_notes): Remove.
9617 * rtl.h (remove_unnecessary_notes): Remove prototype.
9618 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9619 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9620 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9622 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9625 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9626 (valid_in_set): Handle ARRAY_REF.
9627 Change "if min_variant or VH" to asserts.
9628 (create_component_ref_by_pieces): Handle ARRAY_REF.
9629 (create_expression_by_pieces): Likewise.
9630 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9632 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9634 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9635 is operand of switch, not str[0].
9637 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9639 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9640 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9642 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9644 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9645 end of insn_extra_address_constraint declaration.
9647 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9649 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9650 (no-sum-in-toc): Same.
9651 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9653 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9654 NO_FP_IN_TOC for -fPIC instead of mask.
9656 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9657 (BOOT_LDFLAGS): Delete.
9659 * config/rs6000/t-aix52: Same.
9661 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9662 (stmsi[345678]_power): New.
9664 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9666 * config/ia64/ia64.opt: Add empty line to end of file.
9668 2006-03-17 Richard Guenther <rguenther@suse.de>
9671 * builtins.c (get_pointer_alignment): For component style references
9672 adjust alignment to the component type alignment. Make sure
9673 to adjust alignment for component access of constants.
9675 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9677 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9680 2006-03-17 Paul Brook <paul@codesourcery.com>
9682 * doc/install.texi: Docuemnt --with-mode.
9683 * config.gcc: Add --with-mode for arm*-*-*.
9684 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9686 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9688 * sh.c (max_labelno_before_reorg): New variable.
9689 (sh_reorg): Initialize it.
9690 (find_barrier): Check max_labelno_before_reorg before using
9691 label_to_alignment. Take length of explicit alignment insns
9692 into account. When seeing a UNSPECV_CONST_END, return it.
9694 * sh.c (fixup_mova): Set mode of affected label to QImode.
9695 (untangle_mova): New function.
9696 (find_barrier): Use it. Check mode of label before decrementing
9698 (sh_reorg): Likewise.
9699 Set mode of all insns back to VOIDmode.
9701 * sh.c (MOVA_LABELREF): New macro.
9702 (mova_p, fixup_mova, sh_reorg): Use it.
9703 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9704 ADDR_DIFF_VEC matches mova.
9706 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9708 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9709 with ATTRIBUTE_UNUSED.
9711 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9713 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9714 pointer, instead of assuming it is possible to derive the
9715 correct args size from a call insn.
9717 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9719 * rtl.h (CONST_INT_P): Define.
9720 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9721 instead of GET_CODE(x) == CONST_INT.
9722 (vax_rtx_costs): Likewise.
9723 (vax_output_int_move): Likewise.
9724 (vax_output_int_add): Likewise.
9725 (legitimate_constant_address_p): Likewise.
9726 (index_term_p): Likewise.
9727 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9728 * config/vax/vax.md (and<mode>3): Likewise.
9729 (ashrsi3): Likewise.
9731 (movstricthi): Likewise.
9732 (movstrictqi): Likewise.
9733 (rotrsi3): Likewise.
9734 (five unnamed insns): Likewise.
9736 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9738 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9739 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9740 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9741 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9742 Pass to ASM_OUTPUT_DWARF_OFFSET.
9743 * dwarf2out.c (debug_frame_section): New.
9744 (output_call_frame_info): Use debug_frame_section. Pass it to
9745 dw2_asm_output_offset.
9746 (output_die): Pass appropriate section to dw2_asm_output_offset.
9747 (output_compilation_unit_header): Likewise.
9748 (output_pubnames): Likewise.
9749 (output_aranges): Likewise.
9750 (enum dw_val_class): Break dw_val_class_lbl_offset into
9751 dw_val_class_lineptr and dw_val_class_macptr.
9752 (add_AT_lbl_offset): Delete.
9753 (add_AT_lineptr): New.
9754 (add_AT_macptr): New.
9755 (AT_lbl): Expect a lineptr or macptr.
9756 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9757 (attr_checksum): Likewise.
9758 (same_dw_val_p): Likewise.
9759 (size_of_die): Likewise.
9760 (value_format): Likewise.
9761 (output_die): Likewise.
9762 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9764 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9765 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9766 * config/darwin-protos.h (darwin_file_start): New.
9767 (darwin_asm_output_dwarf_offset): New.
9768 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9769 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9771 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9772 if not EH section; simplify.
9773 (darwin_file_start): New.
9774 (darwin_asm_output_dwarf_offset): New.
9775 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9777 (DEBUG_INFO_SECTION): Likewise.
9778 (DEBUG_ABBREV_SECTION): Likewise.
9779 (DEBUG_ARANGES_SECTION): Likewise.
9780 (DEBUG_MACINFO_SECTION): Likewise.
9781 (DEBUG_LINE_SECTION): Likewise.
9782 (DEBUG_LOC_SECTION): Likewise.
9783 (DEBUG_PUBNAMES_SECTION): Likewise.
9784 (DEBUG_STR_SECTION): Likewise.
9785 (DEBUG_RANGES_SECTION): Likewise.
9786 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9787 (ASM_OUTPUT_DWARF_OFFSET): New.
9789 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9791 * config.gcc (tm_defines): Always add to previous value rather
9794 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9796 * config/mips/predicates.md (splittable_const_int_operand): New,
9797 split from move_operand.
9798 (splittable_symbolic_operand): New.
9799 (move_operand): Add commentary. Use splittable_const_int_operand.
9800 Inline mips_atomic_symbolic_constant_p.
9801 * config/mips/mips.md: Add combine splitters for handling moves
9802 of splittable_const_int_operands and splittable_symbolic_operands.
9803 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9804 (mips_split_symbol): Declare.
9805 (mips_move_integer): Declare.
9806 * config/mips/mips.c (mips_split_p): Make global.
9807 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9808 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9809 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9810 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9811 (mips_offset_within_object_p): Handle block symbols.
9812 (mips_atomic_symbolic_constant_p): Delete.
9813 (mips_cannot_force_const_mem): Return false for constants that
9814 mips_legitimize_move can handle.
9815 (mips_use_blocks_for_constant_p): New function.
9816 (mips_split_symbol): Make global.
9817 (mips_move_integer): Likewise. Add a temporary register argument.
9818 (mips_legitimize_const_move): Use splittable_const_int_operand and
9819 splittable_symbolic_operand.
9820 (mips_use_anchors_for_symbol_p): New function.
9821 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9822 (mips_split_p): Declare.
9824 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9826 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9827 (mips*-*-linux*): Likewise.
9829 2006-03-16 Roger Sayle <roger@eyesopen.com>
9830 Daniel Speyer <dspeyer@wam.umd.edu>
9833 * tree-dump.c (dump_real): New function.
9834 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9835 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9836 (tree-dump.o): Add $(REAL_H) to the dependencies.
9838 2006-03-16 Roger Sayle <roger@eyesopen.com>
9841 * real.c (real_from_string): If the mantissa is zero, don't bother
9842 parsing the exponent as the result should always be zero.
9844 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9846 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9848 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9850 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9851 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9852 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9853 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9854 ia64_sched_finish_global): New static functions to implement
9855 hooks from gcc_target.sched.
9856 (spec_check_no, max_uid, pending_data_specs): New static variables.
9857 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9858 ia64_spec_check_src_p): New static functions.
9859 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9860 (TARGET_SCHED_ADJUST_COST): Removed.
9861 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9862 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9863 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9864 TARGET_SCHED_GEN_CHECK,
9865 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9866 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9867 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9868 Fixed to handle speculation checks.
9869 (rtx_needs_barrier): Fixed to handle speculative loads and
9871 (ia64_variable_issue): Added code to count speculative loads and their
9873 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9875 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9877 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9879 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9880 (ia64_reorg): Reset stops_p to NULL after it is freed.
9881 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9882 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9883 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9885 (data_speculative, control_speculative, check_load): New attributes.
9886 (mov<mode>_advanced, mov<mode>_speculative,
9887 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9888 zero_extend<mode>di2_speculative,
9889 zero_extend<mode>di2_speculative_advanced): New patterns for
9890 data and control speculative loads.
9891 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9893 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9894 New pattern for data and control speculation checks.
9895 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9896 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9897 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9898 Auxiliary definitions for the patterns.
9899 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9900 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9902 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9904 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9905 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9906 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9907 New resource constraints.
9908 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9910 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9911 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9912 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9913 msched-in-control-spec, msched-ldc, msched-control-ldc,
9914 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9915 msched-prefer-non-control-spec-insns,
9916 msched-count-spec-in-critical-path): New flags to tune speculative
9918 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9919 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9920 msched-in-control-spec, msched-ldc, msched-control-ldc,
9921 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9922 msched-prefer-non-control-spec-insns,
9923 msched-count-spec-in-critical-path): Document new flags.
9925 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9927 * target.h (struct spec_info_def): New opaque declaration.
9928 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9929 speculate_insn, needs_block_p, gen_check,
9930 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9931 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9932 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9933 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9934 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9935 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9937 (TARGET_SCHED): Use new macros.
9938 * rtl.h (copy_DEPS_LIST_list): New prototype.
9939 * sched-int.h (struct sched_info): Change signature of new_ready field,
9940 adjust all initializations. New fields: add_remove_insn,
9941 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9942 region_head_or_leaf_p.
9943 (struct spec_info_def): New structure declaration.
9944 (spec_info_t): New typedef.
9945 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9946 recovery_block, orig_pat.
9947 (glat_start, glat_end): New variables declaraions.
9948 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9950 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9951 DETACH_LIFE_INFO, USE_GLAT.
9952 (enum SPEC_SCHED_FLAGS): New enumeration.
9953 (NOTE_NOTE_BB_P): New macro.
9954 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9955 attach_life_info, debug_spec_status, check_reg_live): New functions.
9956 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9957 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9959 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9960 * ddg.c (get_block_head_tail): Adjust all uses.
9961 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9962 (sms_sched_info): Initialize new fields.
9963 (contributes_to_priority): Removed.
9964 * haifa-sched.c (params.h): New include.
9965 (get_block_head_tail): Adjust all uses.
9966 (ISSUE_POINTS): New macro.
9967 (glat_start, glat_end): New global variables.
9968 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9969 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9970 old_last_basic_block, before_recovery, current_sched_info_var,
9971 rgn_n_insns, luid): New static variables.
9972 (insn_cost1): New function. Move logic from insn_cost to here.
9973 (find_insn_reg_weight1): New function. Move logic from
9974 find_insn_reg_weight to here.
9975 (reemit_notes, move_insn, max_issue): Change signature.
9976 (move_insn1): Removed.
9977 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9978 extend_bb): New static functions to support extension of scheduler's
9980 (generate_recovery_code, process_insn_depend_be_in_spec,
9981 begin_speculative_block, add_to_speculative_block,
9982 init_before_recovery, create_recovery_block, create_check_block_twin,
9983 fix_recovery_deps): New static functions to support
9984 generation of recovery code.
9985 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9986 restore_bb_notes, move_block_after_check, move_succs): New static
9987 functions to support ebb scheduling.
9988 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9989 functions to support handling of register live information.
9990 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9991 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9992 add_jump_dependencies): New static functions.
9993 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9994 consistancy checking.
9995 (debug_spec_status): New function to call from debugger.
9996 (priority): Added code to handle speculation checks.
9997 (rank_for_schedule): Added code to distinguish speculative instructions.
9998 (schedule_insn): Added code to handle speculation checks.
9999 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10000 Fixed to handle ebbs.
10001 (move_insn): Added code to handle ebb scheduling.
10002 (max_issue): Added code to use ISSUE_POINTS of instructions.
10003 (choose_ready): Added code to choose between speculative and
10004 non-speculative instructions.
10005 (schedule_block): Added code to handle ebb scheduling and scheduling of
10006 speculative instructions.
10007 (sched_init): Initialize new variables.
10008 (sched_finish): Free new variables. Print statistics.
10009 (try_ready): Added code to handle speculative instructions.
10010 * lists.c (copy_DEPS_LIST_list): New function.
10011 * sched-deps.c (extend_dependency_caches): New function. Move logic
10012 from create_dependency_caches to here.
10013 (get_dep_weak, ds_merge): Make global.
10014 * genattr.c (main): Code to output prototype for
10015 dfa_clear_single_insn_cache.
10016 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10017 (output_dfa_clean_insn_cache_func): Code to output
10018 dfa_clear_single_insn_cache function.
10019 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10021 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10023 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10024 New static variables.
10025 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10026 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10028 (ebb_sched_info): Initialize new fields.
10029 (get_block_head_tail): Adjust all uses.
10030 (compute_jump_reg_dependencies): Fixed to use glat_start.
10031 (schedule_ebb): Code to remove unreachable last block.
10032 (schedule_ebbs): Added code to update register live information.
10033 * sched-rgn.c (region_sched_info): Initialize new fields.
10034 (get_block_head_tail): Adjust all uses.
10035 (last_was_jump): Removed. Adjust users.
10036 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10037 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10038 Implement new hooks.
10039 (check_dead_notes1): New static function.
10040 (struct region): New fields: dont_calc_deps, has_real_ebb.
10041 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10042 (BB_TO_BLOCK): Fixed to handle EBBs.
10043 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10044 (ebb_head): New static variable.
10045 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10046 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10048 (compute_dom_prob_ps): New assertion.
10049 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10050 global_live_at_start.
10051 (init_ready_list): New assertions.
10052 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10053 (new_ready): Add support for BEGIN_CONTROL speculation.
10054 (schedule_insns): Fixed code that updates register live information
10056 (schedule_region): Fixed to handle EBBs.
10057 (init_regions): Use extend_regions and check_dead_notes1.
10058 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10059 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10060 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10061 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10062 TARGET_SCHED_GEN_CHECK,
10063 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10064 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10065 * doc/invoke.texi (max-sched-insn-conflict-delay,
10066 sched-spec-prob-cutoff): Document.
10068 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10070 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10071 inter_tick, queue_index.
10072 (struct sched_info): Change signature of init_ready_list field.
10073 Adjust all initializations.
10074 (RESOLVED_DEPS): New access macro.
10075 (ready_add): Remove prototype.
10076 (try_ready): Add prototype.
10077 * sched-rgn.c (init_ready_list): Use try_ready.
10078 (schedule_region): Initialize
10079 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10080 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10081 (init_ready_list): Use try_ready.
10082 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10083 * lists.c (remove_list_elem): Remove `static'.
10084 (remove_free_INSN_LIST_elem): New function.
10085 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10086 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10087 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10089 (readyp): New variable.
10090 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10091 change_queue_index, resolve_dep): New static functions.
10092 (try_ready): New function. Adjust callers in sched-rgn.c and
10093 sched-ebb.c to use it instead of ready_add.
10094 (clock_var): Move at the begining of file.
10095 (rank_for_schedule): Fix typo.
10096 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10097 (ready_lastpos): Enforce assertion.
10098 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10099 update all callers.
10100 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10101 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10102 (queue_to_ready): Use free_INSN_LIST_list.
10103 (early_queue_to_ready): Fix typo.
10104 (schedule_block): Init readyp. Move init_ready_list call after the
10105 initialization of clock_var. Fix error in rejecting insn by
10106 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10107 that previously corrected INSN_TICKs. Add code for handling
10109 (set_priorities): Fix typo.
10110 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10111 Clarify comment and code that keeps current_sched_info->next_tail
10114 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10116 * sched-rgn.c (extend_rgns): New static function.
10117 (find_rgns): Use it.
10118 (gather_region_statistics, print_region_statistics): New static
10120 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10121 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10123 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10124 Andrey Belevantsev <abel@ispras.ru>
10126 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10127 * lists.c (unused_deps_list): New variable.
10128 (free_list): Add assertions to verify the proper distinguishing
10129 between INSN_LISTs and DEPS_LISTs.
10130 (find_list_elem, remove_list_elem, remove_list_node): New static
10132 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10133 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10134 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10135 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10137 (free_INSN_LIST_node): Likewise.
10138 * modulo-sched.c (current_sched_info): Initialize flags field.
10139 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10140 * rtl.def (DEPS_LIST): Define.
10141 * rtl.h: Declare new functions from lists.c.
10142 * sched-deps.c (spec_dependency_cache): New static variable.
10143 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10144 (add_dependence): Change return type to void. Move the logic to ...
10145 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10146 (delete_all_dependences): Add comment about forward_dependency_cache.
10147 Handle spec_dependency_cache. Handle DEPS_LISTs.
10148 (fixup_sched_groups): Clarify the change of priority of output
10149 and anti dependencies.
10150 (sched_analyze_2): Adjust add_dependence calls to create data
10151 speculative dependence.
10152 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10153 Adjust all callers. Handle DEPS_LISTS.
10154 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10155 presence of speculation.
10156 (init_dependency_caches, free_dependency_caches):
10157 Handle spec_dependency_cache.
10158 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10159 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10160 New static functions.
10161 (add_or_update_back_dep, add_or_update_back_forw_dep,
10162 add_back_forw_dep, delete_back_forw_dep): New functions.
10163 * sched-int.h (ds_t, dw_t): New typedefs.
10164 (struct sched_info): Add new field flags.
10165 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10166 Prototype new sched-deps.c functions.
10167 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10168 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10169 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10170 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10171 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10172 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10174 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10176 * sched-rgn.c (current_sched_info): Initialize flags field.
10177 (schedule_insns): Initialize current_sched_info before the sched_init
10179 * sched-ebb.c (current_sched_info): Initialize flags field.
10180 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10181 Call add_or_update_back_dep instead of add_dependence.
10182 Create control speculative dependencies.
10183 (schedule_insns): Initialize current_sched_info before the sched_init
10186 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10188 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10190 (sh_fallback_frame_state): Likewise.
10192 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10194 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10195 Do switch on default_use_cxa_atexit.
10196 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10197 * config/darwin-crt3.o: New.
10198 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10199 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10200 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10202 * config/rs6000/t-darwin: Move crt2.o building to here.
10203 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10204 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10207 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10209 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10210 from '! xxx' to '!xxx' for coding-style conformance.
10211 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10212 (EXTRA_CONSTRAINT): Likewise.
10213 * config/vax/vax.md (four unnamed insns): Likewise.
10215 2006-03-15 Paul Brook <paul@codesourcery.com>
10217 * config/arm/arm.c (minipool_pad): New.
10218 (add_minipool_forward_ref): Include pool alignment padding in address
10220 (push_minipool_fix): Set minipool_pad.
10221 (minipool_pad): Ditto.
10223 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10225 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10226 instead of GET_CODE() == MEM and REG_P() instead of
10228 (print_operand_address): Likewise.
10229 (vax_address_cost): Likewise.
10230 (vax_rtx_costs): Likewise.
10231 (vax_notice_update_cc): Likewise.
10232 (vax_output_int_add): Likewise.
10233 (INDEX_REGISTER_P): Likewise.
10234 (BASE_REGISTER_P): Likewise.
10235 (nonindexed_address_p): Likewise.
10236 (vax_mode_dependent_address_p): Likewise.
10237 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10238 (PRINT_OPERAND): Likewise.
10239 * config/vax/vax.md (ashlsi3): Likewise.
10240 (ashlsi3): Likewise.
10241 (some more unnamed insns): Likewise.
10243 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10245 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10246 iterator-style macro.
10247 (mark_control_dependent_edges_necessary): Update the use of
10248 EXECUTE_IF_CONTROL_DEPENDENT.
10250 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10252 * config/sh/predicates.md (cache_address_operand): Special.
10253 (ua_address_operand): Likewise.
10255 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10257 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10259 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10261 2006-03-15 Andreas Schwab <schwab@suse.de>
10263 * gensupport.c (identify_predicable_attribute): Don't free p_false
10264 when it is still in use.
10266 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10268 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10269 the default setting here.
10271 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10273 * tree-pass.h (pass_cfg): Remove.
10274 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10275 * passes.c (pass_cfg): Don't run it.
10277 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10279 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10280 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10282 (stack_regs_mentioned): Update the uses of
10283 stack_regs_mentioned_data. Don't access the array beyond its
10285 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10286 Don't include gt-reg-stack.h.
10288 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10289 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10291 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10293 PR middle-end/26684
10294 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10297 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10299 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10301 2006-03-14 Richard Guenther <rguenther@suse.de>
10303 PR tree-optimization/26672
10304 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10307 2006-03-14 Richard Guenther <rguenther@suse.de>
10309 PR tree-optimization/26667
10310 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10311 node for the callees. Always allow inlining if it will shrink
10314 2006-03-14 Richard Guenther <rguenther@suse.de>
10316 PR middle-end/26659
10317 * builtins.c (get_pointer_alignment): Prefer alignment
10318 information from decls over that from types.
10320 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10323 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10325 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10327 * config/rs6000/rs6000.opt (mdlmzb): New option.
10328 (msched-prolog, msched-epilog): Use Var not Mask.
10329 * doc/invoke.texi (-mdlmzb): Document.
10330 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10332 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10333 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10335 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10337 PR rtl-optimization/25739
10338 * bt-load.c (augment_live_range): Free tos pointer.
10340 * gensupport.c (identify_predicable_attribute): Free
10342 * gcov.c (create_file_names): Free name pointer.
10344 2006-03-13 Roger Sayle <roger@eyesopen.com>
10346 PR middle-end/26557
10347 * stmt.c (emit_case_nodes): Handle the case where the index is a
10348 CONST_INT, where the comparison mode is specified by the index type.
10350 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10352 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10355 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10357 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10358 (*branch_fp_inverted): Likewise.
10360 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10362 PR middle-end/25989
10363 * omp-low.c (expand_omp_for_generic): Mark istart0
10364 and iend0 as addressable.
10366 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10368 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10370 2006-03-13 Jeff Law <law@redhat.com>
10372 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10373 virtual operands are interesting.
10374 (vrp_visit_stmt): Corresponding changes.
10376 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10378 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10380 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10381 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10382 * config/bfin/crti.S: Use it instead of __PIC__.
10383 * config/bfin/crtn.S: Likewise.
10385 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10386 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10388 Lose 'G' modifier for call operand.
10389 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10390 recognize 'G' modifier.
10392 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10394 PR middle-end/18859
10395 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10396 * stmt.c (expand_case): Likewise.
10398 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10400 PR rtl-optimization/26254
10401 * loop-invariant.c (seq_insns_valid_p): New function.
10402 (move_invariant_reg): Only emit new code if it is valid.
10404 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10406 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10408 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10409 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10410 (commit_one_edge_insertion): Do not look for loop notes.
10412 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10414 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10415 flag_test_coverage out of loop.
10417 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10419 * final.c (shorten_branches): Remove outdated comment, and turn
10420 the if branch that guards it to continue.
10422 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10424 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10425 * cfgloop.h (struct loop): Remove unused fields.
10427 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10429 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10430 (-dL, -fdump-rtl-loop2): Update the dump file names
10432 * doc/invoke.texi: Update dump file names.
10434 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10436 * predict.c (estimate_probability): Remove.
10437 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10438 * basic-block.h (estimate_probability): Remove prototype.
10439 * passes.c (finish_optimization_passes): Dump branch prediction or
10440 profiling heuristics to the .profile tree dump.
10441 (init_optimization_passes): Unqueue pass_branch_prob.
10443 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10445 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10447 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10448 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10450 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10452 * function.h (frame_offset_overflow): Declare.
10453 * function.c (frame_offset_overflow): New function.
10454 (assign_stack_local_1): Call it to detect that the offset overflows.
10455 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10457 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10459 * config/sh/sh.c: Include alloc-pool.h.
10460 (label_ref_list_pool): New alloc pool.
10461 (label_ref_list_t): New type for lists of labels.
10462 (struct pool_node): Make wend a label_ref_list_t.
10463 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10465 (dump_table): Likewise.
10466 (sh_reorg): Set up the alloc pool before using add_constant and
10467 dump_table, and destroy it when finishing.
10469 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10471 * config/mips/mips.c: Remove redundant comment.
10473 2006-03-10 Jason Merrill <jason@redhat.com>
10476 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10477 the target was declared 'register'.
10479 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10481 * genpreds.c (write_insn_constraint_len): Change definition of
10482 insn_constraint_len to return size_t to match the declaration.
10484 2006-03-10 DJ Delorie <dj@redhat.com>
10486 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10488 (m32c_expand_insv): Fix test for an AND mask.
10490 2006-03-10 Richard Guenther <rguenther@suse.de>
10492 PR middle-end/26565
10493 * builtins.c (get_pointer_alignment): Handle component
10494 references for field alignment.
10496 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10498 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10499 when building with libgloss.
10500 (sh*elf): Implement --without-fp option.
10501 (sh64-superh-linux*): Don't multilib.
10503 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10505 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10507 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10509 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10510 Set it when one of the replacement functions returned true.
10511 Return TODO_cleanup_cfg if cfgchanged is true.
10512 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10514 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10516 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10517 instead of gen_lowpart.
10519 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10521 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10523 (mips_output_order_conditional_branch): Declare.
10524 * config/mips/mips.h (MIPS_BRANCH): New macro.
10525 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10526 for the comparison. Use gen_condjump.
10527 (mips_output_conditional_branch): Rework interface to take the
10528 asm templates for a direct branch and the inverse of a direct branch.
10529 (mips_output_order_conditional_branch): New function.
10530 (mips_builtin_branch_and_move): New function.
10531 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10532 branch condition. Use gen_single_cc as the condition for
10533 __builtin_mips_upper_* or __builtin_mips_lower_*.
10534 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10535 Use VOIDmode for the branch condition.
10536 * config/mips/predicates.md (order_operator): New predicate.
10537 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10538 (branch_fp): Rename to...
10539 (*branch_fp): ...this. Remove mode from comparison operator.
10540 Use new mips_output_conditional_branch interface.
10541 (branch_fp_inverted): Rename to...
10542 (*branch_fp_inverted): ...this and update as for *branch_fp.
10543 (*branch_zero<mode>): Rename to...
10544 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10545 Use mips_output_order_conditional_branch. Only accept ordered
10547 (*branch_zero<mode>_inverted): Rename to...
10548 (*branch_order<mode>_inverted): ...this and update as for
10549 *branch_order<mode>.
10550 (*branch_equality<mode>): Accept zero as the second operand to
10551 the equality operator. Use the new mips_output_conditional_branch
10553 (*branch_equality<mode>_inverted): Likewise.
10554 (condjump): New expander.
10555 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10557 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10558 (bc1any2t, bc1any2f): Likewise.
10559 (single_cc): New expander.
10560 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10562 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10564 * doc/md.texi: Update documentation of MIPS constraints.
10565 * config/mips/constraints.md: New file.
10566 * config/mips/mips.md: Include it.
10567 * config/mips/mips.c (mips_char_to_class): Delete.
10568 (override_options): Don't initialize mips_char_to_class.
10569 * config/mips/mips.h (mips_char_to_class): Delete.
10570 (REG_CLASS_FROM_LETTER): Delete.
10571 (CONST_OK_FOR_LETTER_P): Delete.
10572 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10573 (EXTRA_CONSTRAINT_Y): Delete.
10574 (EXTRA_CONSTRAINT_STR): Delete.
10575 (CONSTRAINT_LEN): Delete.
10576 (EXTRA_MEMORY_CONSTRAINT): Delete.
10578 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10580 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10581 original fn's eh regions.
10583 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10585 * fold-const.c (build_range_check): Make sure to use a valid type to
10586 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10589 (range_predecessor): New static function.
10590 (range_successor): Likewise.
10591 (merge_ranges): Use them to compute predecessors and successors of
10594 2006-03-09 Roger Sayle <roger@eyesopen.com>
10596 PR middle-end/26561
10597 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10598 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10600 2006-03-08 DJ Delorie <dj@redhat.com>
10602 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10603 (addpsi3): Expand to include memory operands. Remove
10604 reload-specific splits.
10605 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10606 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10607 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10608 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10609 (shift1_qi, shift1_hi, insv): New.
10610 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10611 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10612 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10614 * config/m32c/m32c-protos.h: Update as needed.
10615 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10616 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10617 Fail for unrecognized R* constraints.
10618 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10619 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10620 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10622 (m32c_init_libfuncs): New.
10623 (m32c_legitimate_address_p): Add debug wrapper.
10624 (m32c_rtx_costs): New.
10625 (m32c_address_cost): New.
10626 (conversions): Add 'B' prefix.
10627 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10628 operands, or word regnames for QI operands. 'B' prints bit
10630 (m32c_expand_setmemhi): New.
10631 (m32c_expand_movmemhi): New.
10632 (m32c_expand_movstr): New.
10633 (m32c_expand_cmpstr): New.
10634 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10635 (m32c_expand_neg_mulpsi3): Handle non-ints.
10636 (m32c_cmp_flg_0): New.
10637 (m32c_expand_movcc): New.
10638 (m32c_expand_insv): New.
10639 (m32c_scc_pattern): New.
10640 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10641 a0/a1 out of SIregs.
10642 (STORE_FLAG_VALUE): New.
10643 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10646 * config/m32c/mov.md: Make constraints more liberal.
10647 (zero_extendqihi2): Optimize r0/r1 case.
10648 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10649 * config/m32c/predicates.md (m32c_any_operand): New.
10650 (m32c_nonimmediate_operand): New.
10651 (m32c_hl_operand): New.
10652 (m32c_r3_operand): New.
10655 (memsym_operand): New.
10656 (memimmed_operand): New.
10657 (a_qi_operand): New.
10658 (m32c_eqne_operator): New.
10659 (m32c_1bit8_operand): New.
10660 (m32c_1bit16_operand): New.
10661 (m32c_1mask8_operand): New.
10662 (m32c_1mask16_operand): New.
10663 * config/m32c/blkmov.md: New file.
10664 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10666 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10668 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10669 unsigned to fix signed/unsigned comparison issue in
10670 DWARF2_FRAME_REG_OUT.
10671 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10672 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10674 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10675 of ptr into the ENABLE_CHECKING section.
10677 2006-03-08 Jeff Law <law@redhat.com>
10679 * tree-vrp.c (infer_value_range): Only count pointer uses
10680 and dereferences if -fdelete-null-pointer-checks is enabled.
10682 * tree-vrp.c (find_assert_locations): Infer value ranges for
10683 single use pointers, but do not create ASSERT_EXPRs for them.
10684 When a non-null range is inferred for a pointer, backwards
10685 propagate that range to other equivalent pointers through the
10688 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10691 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10692 language hook targets.
10693 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10694 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10695 if language hook targets were missing.
10697 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10699 * tree-ssa-opfinalize.h: Removed.
10700 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10702 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10703 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10704 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10705 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10706 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10707 finalize_ssa_v_must_def_ops): New.
10709 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10711 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10712 block as parameter.
10714 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10716 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10718 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10719 addresses with offsets; reorganize.
10721 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10722 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10723 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10725 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10728 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10730 2006-03-08 Ben Elliston <bje@au.ibm.com>
10732 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10734 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10737 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10740 2006-03-07 Richard Guenther <rguenther@suse.de>
10742 PR tree-optimization/26587
10743 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10745 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10747 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10749 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10751 * hooks.c (hook_bool_mode_rtx_true): New function.
10752 * hooks.h (hook_bool_mode_rtx_true): Declare.
10753 * toplev.c (compile_file): Call output_shared_constant_pool.
10754 * varasm.c (shared_constant_pool): New variable.
10755 (assemble_start_function, assemble_end_function): Remove arguments
10756 from call to output_constant_pool.
10757 (create_constant_pool): New function, split out from...
10758 (init_varasm_status): ...here.
10759 (force_const_mem): Choose between the shared and per-function constant
10760 pools. Set current_function_uses_const_pool when reusing old entries
10761 as well as when creating new ones.
10762 (mark_constant): Ignore data argument.
10763 (mark_constants): Remove pool argument.
10764 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10765 to decide whether the function uses a constant pool.
10766 (output_constant_pool_contents): New function, split out from...
10767 (output_constant_pool): ...here.
10768 (output_shared_constant_pool): New function.
10769 (init_varasm_once): Initialize shared_constant_pool.
10770 * output.h (output_constant_pool): Delete.
10771 (output_shared_constant_pool): Declare.
10772 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10773 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10775 2006-03-06 Nick Clifton <nickc@redhat.com>
10777 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10778 flag_strength_reduce.
10780 2006-03-06 Ben Elliston <bje@au.ibm.com>
10782 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10783 x86_64-*-linux* configurations.
10785 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10786 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10788 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10790 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10792 * basic-block.h: Remove the extern for
10793 rediscover_loops_after_threading.
10795 * cfgloop.c (cancel_loop): Make it static.
10796 * cfgloop.h: Remove the prototype for cancel_loop.
10798 * flow.c (recompute_reg_usage): Make it static.
10799 * rtl.h: Remove the prototype for recompute_reg_usage.
10801 * function.c (use_return_register): Make it static.
10802 * function.h: Remove the prototype.
10804 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10806 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10808 * recog.h: Remove the prototype for
10809 validate_change_maybe_volatile.
10811 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10813 * rtlanal.c (replace_reg): Remove.
10814 * rtl.h: Remove the prototype for replace_reg.
10816 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10818 * regclass.c (reg_scan_update): Remove.
10819 (reg_scan_mark_refs): Remove the last argument.
10820 * rtl.h: Remove the prototype for reg_scan_update.
10822 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10824 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10825 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10826 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10827 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10828 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10829 loop-invariant.c, omp-low.c, opts.c, passes.c,
10830 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10831 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10832 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10833 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10834 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10835 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10837 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10839 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10840 * dwarf2out.h: Remove the prototype for
10841 dwarf2out_add_library_unit_info.
10843 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10845 * tree.c (add_var_to_bind_expr): Remove.
10846 * tree.h: Remove the prototype for add_var_to_bind_expr.
10848 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10850 * regclass.c (n_non_fixed_regs): Remove.
10851 (init_reg_sets_1, globalize_reg): Remove all uses of
10853 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10855 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10857 * rtlanal.c (insns_safe_to_move_p): Remove.
10858 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10860 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10862 * expmed.c (expand_mult_add): Remove.
10863 * expr.h: Remove the prototype for expand_mult_add.
10865 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10867 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10868 and REG_SAVED_VAL_EXP constants.
10869 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10870 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10871 Handle regs stored by value.
10872 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10873 (execute_cfa_program): Handle DW_CFA_val_offset,
10874 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10875 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10876 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10877 (uw_install_context_1): Handle target regs stored by value.
10879 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10881 * tree-sra.c (tree_sra): Return todoflags;
10882 (generate_one_element): Set TODO_update_smt_usage if needed.
10883 (pass_sra): Remove TODO_update_smt_usage.
10884 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10886 (tree_ssa_forward_propagate_single_use_vars): Return
10887 TODO_update_smt_usage if we need to update SMT usage.
10888 (pass_forwprop): Remove TODO_update_smt_usage.
10890 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10892 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10893 (correct_use_link): Remove reference to get_stmt_operands.
10894 (update_stmt_operands): Likewise.
10895 (get_modify_expr_operands): New function factored out of
10896 parse_ssa_operands and get_expr_operands.
10897 Try to create V_MUST_DEFs for LHS by default.
10898 (get_expr_operands) <case MODIFY_EXPR>: Call
10899 get_modify_expr_operands.
10900 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10901 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10902 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10903 get_modify_expr_operands.
10905 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10907 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10908 * tree-flow.h: Remove the prototype for
10909 referenced_var_lookup_if_exists.
10911 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10913 PR rtl-optimization/26345
10915 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10917 2006-03-03 Roger Sayle <roger@eyesopen.com>
10919 PR tree-optimization/26524
10920 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10921 fold_convert to create a constant of the appropriate type.
10923 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10925 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10926 SYMBOL_REF_IN_BLOCK_P.
10927 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10928 of SYMBOL_FLAG_IN_BLOCK.
10929 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10930 instead of SYMBOL_REF_IN_BLOCK_P.
10931 * explow.c (use_anchored_address): Likewise.
10932 * rtl.c (rtx_size): Likewise.
10933 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10934 instead of SYMBOL_FLAG_IN_BLOCK.
10935 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10936 SYMBOL_REF_IN_BLOCK_P.
10937 (assemble_variable): Likewise.
10938 (output_constant_def_contents): Likewise.
10939 (output_constant_pool): Likewise.
10940 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10941 instead of SYMBOL_FLAG_IN_BLOCK.
10942 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10943 SYMBOL_REF_IN_BLOCK_P.
10944 (SYMBOL_REF_BLOCK): Likewise.
10945 (SYMBOL_REF_OFFSET): Likewise.
10946 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10947 SYMBOL_REF_IN_BLOCK_P.
10948 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10949 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10950 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10951 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10953 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10955 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10957 2006-03-02 Roger Sayle <roger@eyesopen.com>
10959 * simplify-rtx.c (simplify_unary_operation): When simplifying
10960 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10961 that we perform the right shift in the appropriate mode, and
10962 then extend or truncate the result to requested mode.
10964 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10966 * gengtype.c (main): Handle double_int type.
10967 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10968 * double-int.c: New file.
10969 * double-int.h: New file.
10970 * system.h: Include doubleint.h.
10971 * Makefile.in (SYSTEM_H): Include double-int.h.
10972 (double-int.o): Add.
10974 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10977 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10980 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10982 * tree-vrp.c (remove_range_assertions): Do not update statements
10985 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10987 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10989 * gcse.c (rest_of_handle_gcse): Ditto.
10990 * except.c (gate_handle_eh): Ditto.
10991 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10992 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10994 2006-03-02 Eric Christopher <echristo@apple.com>
10996 * config/i386/i386.c (machopic_output_stub): Add indirection to
10999 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11003 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11005 Sun Niagara specific optimizations.
11006 * config.gcc: Recognize niagara as target.
11007 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11008 (TARGET_CPU_niagara): Define.
11009 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11010 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11011 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11012 (ASM_CPU_SPEC): Likewise.
11013 (PROCESSOR_NIAGARA): New enum entry.
11014 (REGISTER_MOVE_COST): Handle Niagara.
11015 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11016 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11017 (sparc_override_options): Recognize "niagara", set appropriate
11018 default MASK_* values for it, and align functions to 32-bytes
11019 by default just like ULTRASPARC/ULTRASPARC3.
11020 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11021 (sparc64_initialize_trampoline): Likewise.
11022 (sparc_use_sched_lookahead): Use zero for niagara.
11023 (sparc_issue_rate): Use one for niagara.
11024 * config/sparc/niagara.md: New file.
11025 * config/sparc/sparc.md: Include it.
11026 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11027 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11028 when default cpu is niagara.
11029 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11030 (ASM_CPU_SPEC): Likewise.
11031 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11032 when default cpu is niagara.
11033 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11034 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11035 just like v9/ultrasparc/ultrasparc3.
11036 * doc/invoke.texi: Add documentation for "niagara" and improve
11037 existing documentation for ultrasparc variants.
11039 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11041 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11043 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11045 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11046 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11047 and say that only one is needed.
11048 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11049 * target.h (have_switchable_bss_sections): New hook.
11050 * explow.c (use_anchored_address): Check that the symbol is in a block.
11051 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11052 (bss_noswitch_section): New variables.
11053 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11054 (get_noswitch_section): New function.
11055 (get_block_for_section): Allow SECT to be null.
11056 (unlikely_text_section_p): Use SECTION_STYLE.
11057 (bss_initializer_p): New function.
11058 (get_variable_section): Move earlier in file. Take a new argument,
11059 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11060 Return one of the new *_sections in such cases.
11061 (get_block_for_decl): New function, extracting some logic from
11062 use_blocks_for_decl_p.
11063 (change_symbol_section): Remove in favor of...
11064 (change_symbol_block): ...this new function.
11065 (use_blocks_for_decl_p): Remove checks now performed by
11066 get_block_for_decl.
11067 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11068 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11069 (emit_local, emit_bss, emit_common): ...these new functions.
11070 Return true if the alignment was honored.
11071 (emit_tls_common): New function.
11072 (asm_emit_uninitialised): Delete.
11073 (assemble_variable_noswitch): New function, split out from...
11074 (assemble_variable): ...here. Don't make decisions about common
11075 variables here. Globalize all public decls that go into non-common
11076 sections. Check whether SYMBOL_REF_BLOCK is null.
11077 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11078 (output_constant_pool): Likewise.
11079 (init_varasm_once): Initialize the new section variables.
11080 (have_global_bss_p): New function.
11081 (categorize_decl_for_section): Use bss_initializer_p.
11082 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11083 (place_block_symbol): Assert that the symbol must be in a block.
11084 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11085 (TARGET_INITIALIZER): Include it.
11086 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11087 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11088 (SECTION_MACH_DEP): Bump by two.
11089 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11090 (unnamed_section): Mention SECTION_UNNAMED in comment.
11091 (named_section): Likewise SECTION_NAMED.
11092 (noswitch_section_callback): New type.
11093 (noswitch_section): New structure.
11094 (section): Add a noswitch_section alternative.
11095 (SECTION_STYLE): New macro.
11096 (tls_comm_section, comm_section, lcomm_section): Declare.
11097 (bss_noswitch_section, have_global_bss_p): Declare.
11098 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11099 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11101 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11102 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11105 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11107 * tree-vrp.c (execute_vrp): Return value.
11108 * regrename.c (rest_of_handle_regrename): Ditto.
11109 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11110 * tree-complex.c (tree_lower_complex): Ditto.
11111 (tree_lower_complex_O0): Ditto.
11112 * tracer.c (rest_of_handle_tracer): Ditto.
11113 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11114 * postreload.c (rest_of_handle_postreload): Ditto.
11115 * tree-tailcall.c (execute_tail_recursion): Ditto.
11116 (execute_tail_calls): Ditto.
11117 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11118 * tree.h (init_function_for_compilation): Ditto.
11119 * ipa-cp.c (ipcp_driver): Ditto.
11120 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11121 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11122 * final.c (compute_alignments): Ditto.
11123 (rest_of_handle_final): Ditto.
11124 (rest_of_handle_shorten_branches): Ditto.
11125 (rest_of_clean_state): Ditto.
11126 * omp-low.c (execute_expand_omp): Ditto.
11127 (execute_lower_omp): Ditto.
11128 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11129 * ipa-reference.c (static_execute): Ditto.
11130 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11131 * reorg.c (rest_of_handle_delay_slots): Ditto.
11132 (rest_of_handle_machine_reorg): Ditto.
11133 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11134 * flow.c (recompute_reg_usage): Ditto.
11135 (rest_of_handle_remove_death_notes): Ditto.
11136 (rest_of_handle_life): Ditto.
11137 (rest_of_handle_flow2): Ditto.
11138 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11139 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11140 (do_ssa_store_ccp): Ditto.
11141 (execute_fold_all_builtins): Ditto.
11142 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11143 * modulo-sched.c (rest_of_handle_sms): Ditto.
11144 * ipa-pure-const.c (static_execute): Ditto.
11145 * cse.c (rest_of_handle_cse): Ditto.
11146 (rest_of_handle_cse2): Ditto.
11147 * web.c (rest_of_handle_web): Ditto.
11148 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11149 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11150 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11151 * tree-nrv.c (tree_nrv): Ditto.
11152 (execute_return_slot_opt): Ditto.
11153 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11154 (create_structure_vars): Ditto.
11155 * loop-init.c (rtl_loop_init): Ditto.
11156 (rtl_loop_done): Ditto.
11157 (rtl_move_loop_invariants): Ditto.
11158 (rtl_unswitch): Ditto.
11159 (rtl_unroll_and_peel_loops): Ditto.
11160 (rtl_doloop): Ditto.
11161 * gimple-low.c (lower_function_body): Ditto.
11162 (mark_used_blocks): Ditto.
11163 * tree-ssa-sink.c (execute_sink_code): Ditto.
11164 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11165 (cgraph_early_inlining): Ditto.
11166 * global.c (rest_of_handle_global_alloc): Ditto.
11167 * jump.c (cleanup_barriers): Ditto.
11168 (purge_line_number_notes): Ditto.
11169 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11170 (rest_of_handle_if_after_reload): Ditto.
11171 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11172 (tree_ssa_loop_im): Ditto.
11173 (tree_ssa_loop_unswitch): Ditto.
11174 (tree_vectorize): Ditto.
11175 (tree_linear_transform): Ditto.
11176 (tree_ssa_loop_ivcanon): Ditto.
11177 (tree_ssa_empty_loop): Ditto.
11178 (tree_ssa_loop_bounds): Ditto.
11179 (tree_complete_unroll): Ditto.
11180 (tree_ssa_loop_prefetch): Ditto.
11181 (tree_ssa_loop_ivopts): Ditto.
11182 (tree_ssa_loop_done): Ditto.
11183 * predict.c (tree_estimate_probability): Ditto.
11184 * recog.c (split_all_insns_noflow): Ditto.
11185 (rest_of_handle_peephole2): Ditto.
11186 (rest_of_handle_split_all_insns): Ditto.
11187 * tree-eh.c (lower_eh_constructs): Ditto.
11188 * regmove.c (rest_of_handle_regmove): Ditto.
11189 (rest_of_handle_stack_adjustments): Ditto.
11190 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11191 * function.c (instantiate_virtual_regs): Ditto.
11192 (init_function_for_compilation): Ditto.
11193 (rest_of_handle_check_leaf_regs): Ditto.
11194 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11195 (rest_of_handle_gcse): Ditto.
11196 * ipa-type-escape.c (type_escape_execute): Ditto.
11197 * alias.c (rest_of_handle_cfg): Ditto.
11198 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11199 * profile.c (rest_of_handle_branch_prob): Ditto.
11200 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11201 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11202 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11203 * tree-dfa.c (find_referenced_vars): Ditto.
11204 * except.c (set_nothrow_function_flags): Ditto.
11205 (convert_to_eh_region_ranges): Ditto.
11206 (rest_of_handle_eh): Ditto.
11207 * emit-rtl.c (unshare_all_rtl): Ditto.
11208 (remove_unnecessary_notes): Ditto.
11209 * except.h (set_nothrow_function_flags): Ditto.
11210 (convert_to_eh_region_ranges): Ditto.
11211 * cfgexpand.c (tree_expand_cfg): Ditto.
11212 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11213 * tree-ssa-pre.c (do_pre): Ditto.
11214 (execute_fre): Ditto.
11215 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11216 (rest_of_handle_jump2): Ditto.
11217 * tree-sra.c (tree_sra): Ditto.
11218 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11219 (execute_mudflap_function_decls): Ditto.
11220 * tree-ssa-copy.c (do_copy_prop): Ditto.
11221 (do_store_copy_prop): Ditto.
11222 * ipa-prop.h (ipcp_driver): Ditto.
11223 * cfglayout.c (insn_locators_initialize): Ditto.
11224 * tree-ssa-forwprop.c
11225 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11226 * cfglayout.h (insn_locators_initialize): Ditto.
11227 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11228 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11229 (execute_late_warn_uninitialized): Ditto.
11230 * rtl.h (cleanup_barriers): Ditto.
11231 (split_all_insns_noflow): Ditto.
11232 (purge_line_number_notes): Ditto.
11233 (unshare_all_rtl): Ditto.
11234 (remove_unnecessary_notes): Ditto.
11235 (recompute_reg_usage): Ditto.
11236 (variable_tracking_main): Ditto.
11237 * integrate.c (emit_initial_value_sets): Ditto.
11238 * integrate.h (emit_initial_value_sets): Ditto.
11239 * tree-optimize.c (execute_free_datastructures): Ditto
11240 (execute_free_cfg_annotations): Ditto.
11241 (execute_fixup_cfg): Ditto.
11242 (execute_cleanup_cfg_pre_ipa): Ditto.
11243 (execute_cleanup_cfg_post_optimizing): Ditto.
11244 (execute_init_datastructures): Ditto.
11245 * tree-object-size.c (compute_object_sizes): Ditto.
11246 * combine.c (rest_of_handle_combine): Ditto.
11247 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11248 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11249 (rest_of_handle_reorder_blocks): Ditto.
11250 (rest_of_handle_partition_blocks): Ditto.
11251 * var-tracking.c (variable_tracking_main): Ditto.
11252 * tree-profile.c (tree_profiling): Ditto.
11253 * tree-vect-generic.c (expand_vector_operations): Ditto.
11254 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11255 * sched-rgn.c (rest_of_handle_sched): Ditto.
11256 (rest_of_handle_sched2): Ditto.
11257 * basic-block.h (free_bb_insn): Ditto.
11258 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11259 * tree-cfg.c (execute_build_cfg): Ditto.
11260 (remove_useless_stmts): Ditto.
11261 (split_critical_edges): Ditto.
11262 (execute_warn_function_return): Ditto.
11263 (execute_warn_function_noreturn): Ditto.
11264 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11265 * cfgrtl.c (free_bb_for_insn): Ditto.
11266 * passes.c (execute_one_pass): Run additional
11267 todos returned by execute function.
11268 * tree-pass.h (struct tree_opt_pass): Make execute
11271 2006-03-02 Richard Guenther <rguenther@suse.de>
11273 * tree-ssa-alias.c (find_used_portions): Consider taking
11274 the address as making the variable not write-only.
11276 2006-03-02 Nick Clifton <nickc@redhat.com>
11278 * config.gcc (default_use_cxa_atexit): Extend the description of
11279 this configure variable. Set its default value to "yes" for
11280 Linux, NetBSD and ELF targets on the assumption that they will
11281 use C libraries with the __cxa_atexit function.
11283 2006-03-02 Ben Elliston <bje@au.ibm.com>
11285 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11286 parameter as unused to suppress a build warning.
11288 2006-03-02 Ben Elliston <bje@au.ibm.com>
11290 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11293 2006-03-01 Roger Sayle <roger@eyesopen.com>
11296 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11297 declared name, the weak reference name, and the typeof name.
11298 (__gthrw): Avoid expanding the declared name suffix.
11299 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11301 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11303 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11305 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11306 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11307 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11308 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11309 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11310 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11311 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11312 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11313 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11314 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11315 (DW_END_default, DW_END_big, DW_END_little): New.
11316 (DW_END_lo_user, DW_END_hi_user): Define.
11317 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11318 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11319 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11322 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11324 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11326 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11328 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11330 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11332 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11333 to 'symbol_mem_tag'.
11335 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11338 2006-03-01 Roger Sayle <roger@eyesopen.com>
11340 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11342 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11345 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11346 MACHO_DYNAMIC_NO_PIC_P.
11347 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11349 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11352 * config/darwin-protos.h (darwin_asm_output_anchor):
11354 * config/darwin-sections.def (cstring_section):
11355 Add SECTION_MERGE to the flags.
11356 (literal4_section): Likewise.
11357 (literal8_section): Likewise.
11358 (objc_selector_refs_section): Likewise.
11359 (objc_cls_refs_section): Likewise.
11360 * config/darwin.c (darwin_asm_output_anchor): New
11362 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11364 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11366 Fix PR tree-optimization/26443
11367 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11368 to todo and PROP_tmt_usage to properties_destroyed.
11369 * tree-ssa-ccp.c (pass_ccp): Ditto.
11370 (pass_store_ccp): Ditto.
11371 * tree-ssa-dom.c (pass_dominator): Ditto.
11373 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11375 * tree-ssa-operands.c: Cleanup whitespace.
11376 (get_asm_expr_operands): Move before first invocation.
11377 (get_indirect_ref_operands): Likewise.
11378 (get_tmr_operands): Likewise.
11379 (get_call_expr_operands): Likewise.
11380 (append_def): Likewise.
11381 (append_use): Likewise.
11382 (append_v_may_def): Likewise.
11383 (append_v_must_def): Likewise.
11384 (add_call_clobber_ops): Likewise.
11385 (add_call_read_ops): Likewise.
11386 (add_stmt_operand): Likewise.
11387 (add_virtual_operand): Likewise.
11388 (build_ssa_operands): Likewise.
11390 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11392 PR middle-end/26022
11394 PR middle-end/24437
11395 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11396 with a call expr to ...
11397 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11399 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11401 * tree-vrp.c (extract_range_from_assert): Remove special
11402 handling for types with super-types.
11404 2006-03-01 Ben Elliston <bje@au.ibm.com>
11406 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11407 and powerpc64-*-linux* configurations.
11408 * config/t-dfprules: New file.
11410 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11411 Compile dfp-bit.c from the source directory using -DWIDTH and
11412 $DFP_CFLAGS to control the compilation of that file, rather than
11413 generating width-specific versions in the build directory.
11414 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11415 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11417 2006-02-28 Zack Weinberg <zackw@panix.com>
11419 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11422 2006-02-28 Eric Christopher <echristo@apple.com>
11424 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11425 Set up IN_LIBGCC definition of TARGET_64BIT.
11426 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11428 2006-02-28 Roger Sayle <roger@eyesopen.com>
11430 PR middle-end/14752
11431 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11432 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11433 cases via the construction of "expr != 0".
11435 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11437 * alias.c (alias_invariant, alias_invariant_size): Remove.
11438 (record_base_value): Remove.
11439 (memrefs_conflict_p): Don't look at alias_invariant.
11440 (end_alias_analysis): Don't free it.
11441 * alias.h (record_base_value): Remove prototype.
11443 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11444 Adam Nemet <anemet@caviumnetworks.com>
11446 * rtl.h (truncated_to_mode): Declare it.
11447 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11448 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11449 (RTL_HOOKS_INITIALIZER): Include it.
11450 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11451 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11452 reg_truncated_to_mode.
11453 * rtlanal.c (truncated_to_mode): Define it.
11454 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11456 2006-02-28 Jeff Law <law@redhat.com>
11458 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11459 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11460 the range allowed by TYPE_PRECISION.
11462 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11464 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11466 PR tree-optimization/26419
11467 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11470 2006-02-27 Zack Weinberg <zackw@panix.com>
11472 * doc/md.texi: Fix typo in previous change.
11474 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11478 2006-02-27 Zack Weinberg <zackw@panix.com>
11480 * rtl.def (define_constraint, define_register_constraint)
11481 (define_memory_constraint, define_address_constraint): New MD forms.
11482 * gensupport.c (process_rtx): Put define_constraint etc on the
11484 * genpreds.c (process_define_predicate): Adjust comment. Validate
11485 the name, and call validate_exp to validate the expression.
11486 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11487 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11488 all callers changed.
11489 (validate_exp, needs_variable, struct constraint_data)
11490 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11491 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11492 (const_dbl_constraints, constraint_max_namelen)
11493 (have_register_constraints, have_memory_constraints)
11494 (have_address_constraints, have_address_constraints)
11495 (have_extra_constraints, have_const_int_constraints)
11496 (have_const_dbl_constraints, mangle, add_constraint)
11497 (process_define_constraint, process_define_register_constraint)
11498 (write_enum_constraint_num, write_lookup_constraint)
11499 (write_insn_constraint_len, write_regclass_for_constraint)
11500 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11501 (write_insn_extra_memory_constraint)
11502 (write_insn_extra_address_constraint)
11503 (write_satisfies_constraint_fns): New.
11504 (write_tm_preds_h): If we have new-style constraint definitions,
11505 prototype the functions generated from them, and define the
11506 old constraint interface (still used by generic code) in terms of
11508 (write_insn_preds_c): If we have new-style constraint definitions,
11509 generate all relevant functions from those definitions.
11510 (main): Handle define_constraint etc.
11511 * genoutput.c (struct constraint_data, indep_constraints)
11512 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11513 (mdep_constraint_len): New data structures and functions, defined
11514 #ifdef USE_MD_CONSTRAINTS.
11515 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11516 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11517 use new logic to validate operand constraints against constraint
11519 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11521 * defaults.h: If none of the old-style constraint macros are
11522 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11523 old-style macros; and poison REG_CLASS_FROM_LETTER,
11524 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11526 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11527 * doc/md.texi: Document new constraint-definition mechanism and the
11528 C interface it provides. Remove references to old mechanism
11529 elsewhere in the document.
11530 (Machine Constraints): Use pathnames relative to gcc directory,
11531 i.e. config/ARCH/FILE. Change i386 section to refer to
11532 config/i386/predicates.md; update that section to match docstrings.
11533 * doc/tm.texi: Move all documentation of the old constraint-
11534 definition macros to their own section, clearly mark as obsolete.
11536 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11537 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11539 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11540 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11541 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11542 constraint strings.
11543 (splits and peepholes): Use satisfies_constraint_*.
11544 * config/i386/i386.c (memory_address_length)
11545 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11547 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11549 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11550 scalar operation to be put back into the loop.
11552 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11555 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11556 (extract_cie_info): Handle S flag in augmentation string.
11557 (execute_cfa_program): If context->signal_frame, execute also
11558 fs->pc == context->ra instructions.
11559 (uw_frame_state_for): If context->signal_frame, don't subtract one
11560 from context->ra to find FDE.
11561 (uw_update_context_1): Set context->signal_frame to
11563 (_Unwind_GetIPInfo): New function.
11564 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11565 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11567 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11568 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11569 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11570 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11571 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11572 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11573 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11574 x86_64_fallback_frame_state): Set fs->signal_frame.
11575 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11576 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11577 (frob_update_context): Likewise. Workaround missing S flag in
11578 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11579 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11580 Remove the psw_addr + 1 hack.
11582 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11584 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11585 with aggregates here.
11586 (find_func_aliases): Remove code for &<aggregate> from here.
11588 2006-02-26 Roger Sayle <roger@eyesopen.com>
11590 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11591 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11592 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11593 as (X & C) ne/eq 0.
11595 2006-02-26 Roger Sayle <roger@eyesopen.com>
11597 PR middle-end/19983
11598 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11600 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11602 * opts.c (decode_options): Do not handle flag_strength_reduce.
11603 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11604 and OPT_fstrength_reduce.
11605 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11606 flag_prefetch_loop_arrays for being nonzero.
11607 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11609 (fprefetch-loop-arrays-rtl): Removed.
11610 (flag_prefetch_loop_arrays): Do not specify the value.
11612 * doc/passes.texi: Update documentation of loop optimizer
11614 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11615 -frerun-loop-opt): Remove.
11617 2006-02-26 Richard Guenther <rguenther@suse.de>
11619 PR tree-optimization/26421
11620 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11621 in function calls that are ADDR_EXPRs as using the whole structure.
11623 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11625 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11626 * tree-pass.h (pass_loop_optimize): Remove.
11627 * passes.c (pass_loop_optimize): Never run it.
11628 * toplev.c (backend_init): Don't call init_loop.
11629 * opts.c (flag_loop_optimize_set): Remove.
11630 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11631 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11632 the old RTL loop optimizer when profiling enabled.
11633 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11634 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11635 pre-headers for the sake of the old RTL loop optimizer.
11636 * Makefile.in: Remove all references to loop.o.
11638 * doc/invoke.texi: Remove all references to -floop-optimize
11639 and -frerun-loop-opt.
11641 2006-02-26 Zack Weinberg <zackw@panix.com>
11643 * doc/md.texi (Machine Constraints): Refer to all files with paths
11644 relative to gcc directory (i.e. config/CPU/file). Add missing
11645 @table @code ... @end table to M32C subsection.
11647 2006-02-26 Roger Sayle <roger@eyesopen.com>
11649 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11651 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11653 2006-02-26 Roger Sayle <roger@eyesopen.com>
11654 James A. Morrison <phython@gcc.gnu.org>
11656 PR middle-end/21137
11657 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11658 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11659 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11660 signedness of the shift operation.
11662 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11664 PR tree-optimization/26359
11665 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11667 2006-02-25 Roger Sayle <roger@eyesopen.com>
11669 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11670 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11671 as X == 0, and some symmetry related transformations.
11672 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11674 2006-02-25 Roger Sayle <roger@eyesopen.com>
11676 PR middle-end/23673
11677 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11678 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11679 symmetry related transformations. Fold (X^C1) == C2 as
11682 2006-02-25 Juergen Weigert <jw@suse.de>
11683 Richard Guenther <rguenther@suse.de>
11685 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11687 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11689 * combine.c (gen_lowpart_or_truncate): Call
11690 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11692 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11694 * doc/invoke.texi: Move -fopenmp description to "Options for
11696 Remove reference to -lgomp.
11698 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11700 * doc/install.texi: Require GNU tar version 1.14.
11702 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11704 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11705 * doc/invoke.texi (C++ Dialect Options): Document
11706 -fno-use-cxa-get-exception-ptr.
11707 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11708 * configure: Regenerate.
11709 * c.opt (fuse-cxa-get-exception-ptr): New.
11710 * c-opts.c (c_common_handle_option): Handle
11711 OPT_fuse_cxa_get_exception_ptr.
11712 * c-common.c (flag_use_cxa_atexit): Update documentation.
11713 (flag_use_cxa_get_exception_ptr): New.
11714 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11715 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11717 (C_COMMON_OVERRIDE_OPTIONS): New.
11719 2006-02-24 Roger Sayle <roger@eyesopen.com>
11721 PR middle-end/24952
11722 * combine.c (try_combine): Explicitly check whether GET_CODE is
11723 a SET or a CLOBBER, instead on checking that it isn't a USE.
11725 2006-02-24 Roger Sayle <roger@eyesopen.com>
11727 * fold-const.c (fold_comparison): New subroutine of fold_binary
11728 containing transformations common to both the equality and
11729 ordering relational operators, factored out of fold_binary.
11730 (fold_binary): Separate out the equality operators (EQ_EXPR
11731 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11732 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11733 transformations common to both.
11734 (fold_div_compare): Fix latent bugs in the previously unreachable
11735 LT_EXPR and GE_EXPR cases.
11737 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11739 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11740 decl libname for clog to __clog on AIX.
11742 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11744 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11747 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11748 output traceback table for thunks. Localise rs6000_stack_info call.
11750 2006-02-23 Roger Sayle <roger@eyesopen.com>
11751 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11753 * gthr-posix.h (__gthrw): Fix typo in comment.
11755 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11757 * doc/cpp.texi (Character sets): Document that we do support
11758 input files to be in any character set.
11760 2006-02-23 Jeff Law <law@redhat.com>
11762 * tree.h (PHI_ARG_NONZERO): Remove.
11763 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11764 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11765 node to the new node.
11767 PR tree-optimization/26425
11768 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11769 min/max, then assume its varying.
11771 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11773 PR rtl-optimization/26316
11774 * rtlanal.c (enum may_trap_p_flags): New.
11775 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11776 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11777 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11778 (may_trap_after_code_motion_p): New function.
11779 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11780 (find_invariant_insn): Use may_trap_after_code_motion_p.
11781 * rtl.h (may_trap_after_code_motion_p): Declare.
11783 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11785 * emit-rtl.c (immed_double_const): Cleanup.
11787 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11789 Fix PR tree-optimization/26376
11790 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11793 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11795 PR middle-end/26412
11796 * gimplify.c (omp_add_variable): Guard variable size decl test with
11797 DECL_SIZE (decl) check.
11799 2006-02-23 Richard Guenther <rguenther@suse.de>
11801 PR middle-end/26439
11802 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11803 like aggregate types.
11805 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11807 * configure.ac: Add --with{,out}-long-double-128 configure option.
11808 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11809 * configure: Rebuilt.
11810 * config.in: Rebuilt.
11811 * doc/install.texi (Options specification): Document
11812 --with-long-double-128.
11814 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11815 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11816 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11817 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11819 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11821 * config/s390/s390.c (override_options): Handle
11822 TARGET_DEFAULT_LONG_DOUBLE_128.
11824 * config/alpha/alpha.c (override_options): Handle
11825 TARGET_DEFAULT_LONG_DOUBLE_128.
11827 * config/sparc/sparc.c (sparc_override_options): Handle
11828 TARGET_DEFAULT_LONG_DOUBLE_128.
11830 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11832 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11833 (real-install-headers-tar, real-install-headers-cpio)
11834 (real-install-headers-cp): New targets.
11836 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11838 * tree.h (variable_section): Delete.
11839 * varasm.c (variable_section): Delete.
11841 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11843 * install.texi: Add notes on install.texi2html.
11844 (Building in parallel): Do not use footnotes.
11846 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11849 * doc/install.texi (Configuration): Document --disable-libgomp.
11851 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11853 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11855 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11857 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11858 (vec_extractv2df_0_sse): New.
11860 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11862 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11863 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11864 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11865 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11866 to the result of the expression.
11867 (def_cfa_1): Adjust.
11868 (frame_pointer_cfa_offset): Rename to...
11869 (frame_pointer_fb_offset): ... this. Adjust all uses.
11870 (convert_cfa_to_loc_list): Rename to...
11871 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11872 Pass it on to build_cfa_loc.
11873 (compute_frame_pointer_to_cfa_displacement): Rename to...
11874 (compute_frame_pointer_to_fb_displacement): ... this. New
11875 offset parameter. Use it in computation.
11876 (gen_subprogram_die): Compute cfa_fb_offset with the new
11877 macro, and use it to compute the fb loc list and the
11880 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11882 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11883 replaced with register_operand.
11884 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11885 non-DREG is expensive.
11886 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11887 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11890 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11892 * doc/install.texi2html: Use set -e.
11894 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11896 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11897 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11898 * doc/invoke.texi (-fshared-data): Delete.
11899 * common.opt (fshared-data): Delete.
11900 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11901 (assemble_static_space): Remove #if 0 code.
11902 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11903 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11904 * config/cris/cris.h: Remove FIXME.
11906 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11908 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11911 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11913 PR middle-end/26379
11914 * combine.c (simplify_shift_const_1): Disable nested shifts
11915 optimization for vector shifts.
11917 2006-02-20 Roger Sayle <roger@eyesopen.com>
11919 PR tree-optimization/26361
11920 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11921 of unsigned integer types.
11923 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11925 * tree-chrec.c (eq_evolutions_p): New.
11926 * tree-chrec.h (eq_evolutions_p): Declared.
11927 * tree-data-ref.c: Fix formatting.
11928 (datadep_stats, dependence_stats): New.
11930 (print_direction_vector): New.
11931 (dump_data_dependence_relation): Use print_direction_vector.
11932 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11933 (compute_subscript_distance): Static.
11934 (initialize_data_dependence_relation): Static. Get the number
11935 of loops surrounding the references from the callers, and initialize
11936 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11937 base_object_differ_p analyzers.
11938 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11939 compute_overlap_steps_for_affine_1_2,
11940 analyze_subscript_affine_affine): Count the classified dependences.
11941 Print a message when a test failed.
11942 (can_use_analyze_subscript_affine_affine): New.
11943 (analyze_siv_subscript): Compute the data dependences on symbolic
11944 scevs that verify can_use_analyze_subscript_affine_affine.
11945 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11946 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11947 Handle symbolic scevs.
11948 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11950 (subscript_dependence_tester): Moved...
11951 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11952 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11953 DDR_SIZE_VECT instead of getting it in parameter.
11954 (subscript_dependence_tester): ... here. Take as a parameter
11955 loop_nest_depth. Call build_classic_dist_vector and
11956 build_classic_dir_vector.
11957 (compute_affine_dependence): Update subscript_dependence_tester
11958 parameters. Update datadep_stats counters. Call
11959 compute_subscript_distance.
11960 (compute_self_dependence): Save the dist and dir vectors. Call
11961 compute_subscript_distance.
11962 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11963 (compute_all_dependences): Reorder parameters as they were before
11964 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11965 compute_subscript_distance. Update the use of
11966 compute_affine_dependence and initialize_data_dependence_relation.
11967 (find_data_references_in_loop): Handle COMPONENT_REF.
11968 (compute_data_dependences_for_loop): Initialize dependence_stats.
11969 Don't call build_classic_dist_vector and build_classic_dir_vector.
11970 Update the parameters of initialize_data_dependence_relation and
11971 compute_all_dependences. Print the statistics from datadep_stats.
11972 (analyze_all_data_dependences): Static. Not used until the pass for
11973 checking the data dependences is contributed.
11974 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11975 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11976 (initialize_data_dependence_relation, compute_affine_dependence,
11977 analyze_all_data_dependences, compute_subscript_distance): Removed.
11978 (print_direction_vector): New.
11979 * lambda.h (gcd): ... here.
11980 (lambda_vector_gcd): Moved here from gcd_vector.
11981 * lambda-code.c (gcd, gcd_vector): Removed.
11982 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11983 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11985 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11987 * ipa-type-escape.c: Tidy some comments and white space.
11988 * tree-ssa-operands.c: Likewise.
11990 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11993 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11994 (dump_decl_name): Do not walk the decl tree chains.
11995 * tree-pass.h (TDF_CHAIN): Remove.
11997 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11999 * Makefile.in (C): Remove
12001 (.PHONY): Remove C and PROTO
12003 2006-02-20 Roger Sayle <roger@eyesopen.com>
12005 PR middle-end/26236
12006 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12007 deprecated CHAR_TYPE tree code.
12009 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12011 * configure.ac (target_list): Add install-info, dvi, html.
12012 * configure: Regenerate.
12014 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12015 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12016 treelang/Make-lang.in: Do not use double-colon rules.
12018 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12020 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12021 (TMT_USED_ALONE): New macro.
12022 * tree-pass.h (PROP_tmt_usage): New property.
12023 (TODO_update_tmt_usage): New todo.
12024 * tree-ssa-alias.c (updating_used_alone): New variable.
12025 (recalculate_used_alone): New function.
12026 (compute_may_aliases): Set updating_used_alone, call
12027 recalculate_used_alone.
12028 * tree-sra.c (pass_sra): Note that this pass destroys
12029 PROP_tmt_usage, and add TODO_update_tmt_usage.
12030 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12031 * tree-flow.h (updating_used_alone): Prototype.
12032 (recalculate_used_alone): Ditto.
12033 * passes.c (execute_todo): Add code to set updating_used_alone,
12034 and call recalculate.
12035 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12036 for clobber if used alone, and add assert to verify used_alone
12039 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12041 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12042 for non tls symbols added.
12043 (legitimize_address): Do nothing for PLUS expressions if one of the
12044 addends is a tls symbol reference.
12046 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12050 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12052 * Makefile.in (BOOTSTRAPPING): New.
12053 (quickstrap): New definition if BOOTSTRAPPING=yes.
12055 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12056 * configure.ac: Substitute all_selected_languages with the languages
12057 that were configured. For all the other variables except
12058 lang_specs_files, include all the languages in the tree.
12059 * configure: Regenerate.
12061 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12062 if there is one. Run the commands to run fixincludes in the same
12065 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12066 * doc/install.texi: Document exact conventions for searching target tools.
12067 Document --with-build-time-tools. Document toplevel bootstrap. Document
12068 something more about building an Ada cross-compiler. Don't list GNU Make
12069 requirements which affect all platforms.
12071 2006-02-19 Roger Sayle <roger@eyesopen.com>
12073 PR middle-end/19543
12074 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12075 only equivalent if the have both the same mode and precision.
12077 2006-02-20 Ben Elliston <bje@au.ibm.com>
12079 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12081 2006-02-19 Roger Sayle <roger@eyesopen.com>
12082 Steven Bosscher <stevenb.gcc@gmail.com>
12084 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12085 constant pool references to identify stack mode constants.
12086 * rtlanal.c (constant_pool_constant_p): New predicate to check
12087 whether operand is a floating point constant in the pool.
12088 * rtl.h (constant_pool_constant_p): Prototype here.
12089 * loop.c (scan_loop): Avoid hoisting constants from the constant
12090 pool on STACK_REGS targets.
12091 (load_mems): Likewise.
12092 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12093 loads into x87 registers expensive in terms of register pressure.
12095 2006-02-19 Roger Sayle <roger@eyesopen.com>
12097 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12098 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12100 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12102 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12103 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12105 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12107 * doc/invoke.texi: Document -fipa-pta.
12108 * common.opt: Add ipa-pta option.
12109 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12110 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12111 (do_ds_constraint): Ditto.
12112 (get_constraint_for): Only add to referenced_vars if
12113 referenced_vars exists.
12114 (insert_into_field_list): Rewrite to do this unsorted.
12115 (insert_into_field_list_sorted): Rename old insert_into_field_list
12117 (create_function_info_for): Use insert_into_field_list_sorted.
12118 (create_variable_info_for): Rewrite so it uses unsorted version,
12119 since the field list is sorted.
12120 (intra_create_variable_infos): Only add to referenced_vars if
12121 referenced_vars exists.
12122 (ipa_pta_execute): Init heapvars, and delete when done.
12123 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12125 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12127 * doc/install.texi: Add missing `@samp'.
12129 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12131 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12134 2006-02-18 Mark Wielaard <mark@klomp.org>
12136 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12137 who added new 4.1 features, bug fixes and integration support.
12139 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12142 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12143 MEM for ABI_V4 pic.
12145 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12147 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12148 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12149 (copy_insn_1): Likewise. Don't copy each field individually.
12151 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12153 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12154 * rtl.c (rtx_size): Rename variable to...
12155 (rtx_code_size): ...this.
12156 (rtx_size): New function.
12157 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12158 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12160 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12161 * rtl.h (rtx_code_size): New variable.
12162 (rtx_size): Change from a variable to a function.
12163 (RTX_SIZE): Rename to...
12164 (RTX_CODE_SIZE): ...this.
12167 PR tree-optimization/17106
12168 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12169 (Anchored Addresses): New section.
12170 * doc/invoke.texi (-fsection-anchors): Document.
12171 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12172 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12173 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12174 * hooks.c (hook_bool_mode_rtx_false): New function.
12175 * hooks.h (hook_bool_mode_rtx_false): Declare.
12176 * gengtype.c (create_optional_field): New function.
12177 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12178 SYMBOL_REF_IN_BLOCK_P is true.
12179 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12180 (min_anchor_offset, max_anchor_offset): Likewise.
12181 (use_anchors_for_symbol_p): New hook.
12182 * toplev.c (compile_file): Call output_object_blocks.
12183 (target_supports_section_anchors_p): New function.
12184 (process_options): Check that -fsection-anchors is only used on
12185 targets that support it and when -funit-at-a-time is in effect.
12186 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12187 if the decl doesn't have one.
12188 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12189 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12190 of force_const_mem through use_anchored_address.
12191 (expand_expr_constant): New function.
12192 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12193 calling expand_expr for INDIRECT_REF.
12194 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12195 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12196 * expr.h (use_anchored_address): Declare.
12197 * loop-unroll.c: Don't declare rtx vectors here.
12198 * explow.c: Include output.h.
12199 (validize_mem): Call use_anchored_address.
12200 (use_anchored_address): New function.
12201 * common.opt (-fsection-anchors): New switch.
12202 * varasm.c (object_block_htab, anchor_labelno): New variables.
12203 (hash_section, object_block_entry_eq, object_block_entry_hash)
12204 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12205 (use_blocks_for_decl_p, change_symbol_section): New functions.
12206 (get_variable_section): New function, split out from assemble_variable.
12207 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12208 use_blocks_for_decl_p say so. Use change_symbol_section if the
12209 symbol has already been created.
12210 (assemble_variable_contents): New function, split out from...
12211 (assemble_variable): ...here. Don't output any code for
12212 block symbols; just pass them to place_block_symbol.
12213 Use get_variable_section and assemble_variable_contents.
12214 (get_constant_alignment, get_constant_section, get_constant_size): New
12215 functions, split from output_constant_def_contents.
12216 (build_constant_desc): Create a block symbol if use_object_blocks_p
12217 says so. Or into SYMBOL_REF_FLAGS.
12218 (assemble_constant_contents): New function, split from...
12219 (output_constant_def_contents): ...here. Don't output any code
12220 for block symbols; just pass them to place_section_symbol.
12221 Use get_constant_section and get_constant_alignment.
12222 (force_const_mem): Create a block symbol if use_object_blocks_p and
12223 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12224 (output_constant_pool_1): Add an explicit alignment argument.
12225 Don't switch sections here.
12226 (output_constant_pool): Adjust call to output_constant_pool_1.
12227 Switch sections here instead. Don't output anything for block symbols;
12228 just pass them to place_block_symbol.
12229 (init_varasm_once): Initialize object_block_htab.
12230 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12231 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12232 (place_block_symbol, get_section_anchor, output_object_block)
12233 (output_object_block_htab, output_object_blocks): New functions.
12234 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12235 (TARGET_ASM_OUT): Include it.
12236 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12237 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12238 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12239 (TARGET_INITIALIZER): Include them.
12240 * rtl.c (rtl_check_failed_block_symbol): New function.
12241 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12242 (block_symbol, object_block): New structures.
12243 (rtx_def): Add a block_symbol field to the union.
12244 (BLOCK_SYMBOL_CHECK): New macro.
12245 (rtl_check_failed_block_symbol): Declare.
12246 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12247 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12248 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12249 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12250 * output.h (output_section_symbols): Declare.
12251 (object_block): Name structure.
12252 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12253 (default_use_anchors_for_symbol_p): Declare.
12254 * Makefile.in (RTL_BASE_H): Add vec.h.
12255 (explow.o): Depend on output.h.
12256 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12257 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12258 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12259 (rs6000_use_blocks_for_constant_p): New function.
12261 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12263 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12265 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12268 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12271 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12273 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12277 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12279 PR middle-end/26334
12280 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12281 instead of DECL_REGISTER.
12283 2006-02-18 Olivier Hainque <hainque@adacore.com>
12286 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12288 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12291 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12292 * opth-gen.awk: Handle Var and InverseMask together.
12293 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12294 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12295 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12296 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12298 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12299 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12300 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12301 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12302 LINUX_DYNAMIC_LINKER): Define.
12303 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12304 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12306 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12307 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12308 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12309 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12310 (TARGET_C99_FUNCTIONS): Don't define.
12311 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12312 GLIBC_DYNAMIC_LINKER.
12313 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12314 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12315 GLIBC_DYNAMIC_LINKER64): Define.
12316 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12317 LINUX_DYNAMIC_LINKER64.
12318 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12319 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12320 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12321 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12322 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12323 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12324 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12325 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12326 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12327 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12328 and LINUX_DYNAMIC_LINKER32.
12329 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12330 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12331 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12332 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12333 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12335 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12336 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12337 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12338 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12339 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12340 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12341 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12342 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12343 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12344 LINUX_DYNAMIC_LINKER): Define.
12345 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12346 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12347 GLIBC_DYNAMIC_LINKER64): Define.
12348 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12349 LINUX_DYNAMIC_LINKER64.
12350 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12351 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12352 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12353 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12354 LINUX_DYNAMIC_LINKER): Define.
12355 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12356 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12357 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12358 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12359 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12360 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12361 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12362 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12363 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12364 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12365 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12366 * doc/invoke.texi (-muclibc): Remove caveat about supported
12369 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12371 * doc/cpp.texi (__TIMESTAMP__): Document.
12373 2006-02-17 Roger Sayle <roger@eyesopen.com>
12375 PR middle-end/25600
12376 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12377 C is one less than the width of X (and related transformations).
12378 * simplify-rtx.c (simplify_unary_operation_1): Transform
12379 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12380 depending on STORE_FLAG_VALUE, were C is one less then the
12383 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12385 Fix PR tree-optimization/26341
12386 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12387 about NAME_MEMORY_TAG's.
12389 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12392 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12393 with hardware float support, and software float support. Add fcpy
12394 alternative to hardware patterns. Add alternatives to copy between
12395 general and floating-point registers to the 32-bit pattern.
12396 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12397 secondary reload to load a QI or HI mode constant into a floating
12399 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12400 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12402 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12405 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12407 (load_macho_picbase_di): Likewise.
12409 2006-02-16 Jeff Law <law@redhat.com>
12411 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12412 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12413 (ssa_name_nonzero_p): Likewise.
12414 (get_value_range): Return NULL if VRP is not running.
12415 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12416 VRP routines do not discover a range.
12417 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12418 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12419 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12420 (tree_expr_nonnegative_p): Similarly.
12421 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12422 (restore_nonzero_vars_to_original_value): Remove.
12423 (unsafe_associative_fp_binop): Remove.
12424 (tree_ssa_dominator_optimize): Remove initialization and
12425 finalization of nonzero_vars and nonzero_vars_stack.
12426 (dom_opt_initialize_block): No longer push marker on
12427 nonzero_vars_stack.
12428 (dom_opt_finalize_block): No longer call
12429 restore_nonzero_vars_to_original_value.
12430 (record_equivalences_from_phis): No longer look for
12431 nonzero PHI arguments.
12432 (cprop_into_successor_phis): No longer propagate nonzero
12433 property into PHI arguments. Lose unused argument. Caller
12435 (record_equivalences_from_stmt): No longer record nonzero
12436 values for SSA_NAMEs.
12437 (lookup_avail_expr): No longer use nonzero_vars.
12439 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12440 for sizetype when sizetype is unsigned.
12442 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12444 PR rtl-optimization/25603
12445 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12446 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12447 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12448 with new meaning of SETS.
12450 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12455 * config/linux.opt: New file.
12456 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12457 LINUX_DYNAMIC_LINKER): Define.
12458 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12459 * config.gcc (*-*-linux*): Define extra_options.
12460 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12461 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12462 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12463 GLIBC_DYNAMIC_LINKER.
12464 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12465 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12466 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12467 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12468 * doc/invoke.texi (GNU/Linux Options): New section.
12470 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12472 * config/sparc/sparc.md (setjmp): Rewrite.
12473 (setjmp_32): Delete.
12474 (setjmp_64): Likewise.
12476 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12478 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12481 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12483 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12486 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12488 PR rtl-optimization/26296
12489 * Makefile.in (loop-invariant.c): Add except.h dependency.
12490 * loop-invariant.c: Include except.h.
12491 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12493 2005-02-16 Paul Brook <paul@codesourcery.com>
12495 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12498 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12500 PR rtl-optimization/25636
12501 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12502 when deciding whether an insn is an initializing insn.
12504 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12506 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12507 (tree_code_size): Ditto.
12508 * tree.h (struct tree_memory_tag): Remove parent_var.
12509 (struct tree_struct_field_tag): New.
12512 (union tree_node): Add sft member.
12513 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12515 (create_sft): Add size and offset argument, set SFT_OFFSET and
12517 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12518 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12519 * tree-flow-inline.h (get_subvar_at): Update for
12520 SFT_OFFSET/SFT_SIZE.
12521 (var_can_have_subvars): Ditto.
12522 (overlap_subvar): Ditto.
12523 * print-tree.c (print_node): Print out interesting things for
12525 * tree-flow.h (struct subvar): Remove offset and size members.
12526 * tree-ssa-operands.c (get_expr_operands): Update for
12527 get_indirect_ref_operands changes.
12528 (get_indirect_ref_operands): Call add_virtual_operand instead of
12529 add_stmt_operand. Only recurse on base var if requested.
12530 (access_can_touch_variable): New function.
12531 (add_stmt_operand): Split virtual operand handling into ...
12532 (add_virtual_operand): Here. Add offset, size, and for_clobber
12533 arguments. Prune alias sets.
12534 (add_call_clobber_ops): Call add_virtual_operand.
12536 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12538 PR middle-end/26300
12539 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12541 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12542 than TREE_CODE as index into omp_clause_num_ops array.
12544 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12546 PR rtl-optimization/26184
12547 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12549 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12550 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12551 must_precede, must_follow and tobe_scheduled.
12554 * opts.c (common_handle_option): Free new_option pointer.
12555 * df-core.c (df_analyze): Free postorder pointer.
12557 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12559 * Makefile.in: Fix the examples about the use of stamps
12561 2006-02-15 Michael Matz <matz@suse.de>
12563 PR middle-end/22275
12565 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12566 influenced by maximum_field_alignment or DECL_PACKED.
12567 (update_alignment_for_field): Ditto.
12568 (place_field): Ditto.
12569 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12572 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12574 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12575 (debug_flow_info): Pass it.
12576 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12577 * bb-reorder.c (reorder_basic_blocks): Likewise.
12578 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12579 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12580 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12581 * gcse.c (gcse_main, bypass_jumps): Likewise.
12582 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12583 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12584 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12585 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12586 * rtl.h (dump_flow_info): Adjust prototype.
12587 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12588 * var-tracking.c (variable_tracking_main): Likewise.
12589 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12590 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12593 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12595 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12598 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12600 PR tree-optimization/26209
12601 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12602 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12604 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12606 2006-02-14 Roger Sayle <roger@eyesopen.com>
12608 PR middle-end/23670
12609 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12610 (X,Y) and the corresponding symmetry related transformations.
12611 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12612 (X,Y) and its symmetry related transformations.
12614 2006-02-14 Roger Sayle <roger@eyesopen.com>
12616 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12619 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12621 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12623 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12626 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12627 support COMDAT group.
12628 * configure: Regenerate.
12630 2006-02-14 Roger Sayle <roger@eyesopen.com>
12632 PR middle-end/26279
12633 PR middle-end/26280
12634 PR middle-end/26283
12635 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12637 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12639 Fix PR tree-optimization/26260
12641 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12643 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12644 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12645 * tree-ssa-structalias.c (create_variable_info_for): Use
12646 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12648 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12650 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12652 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12653 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12654 of the ending condition.
12655 * tree-ssa-loop-manip.c: Include params.h.
12656 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12657 tree_unroll_loop): New functions.
12658 * tree-pass.h (pass_loop_prefetch): Declare.
12659 * loop.c (rest_of_handle_loop_optimize): Test for
12660 -fprefetch-loop-arrays-rtl.
12661 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12662 * timevar.def (TV_TREE_PREFETCH): New timevar.
12663 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12664 pass_loop_prefetch): New.
12665 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12666 (cleanup_tree_cfg_loop): Call scev_reset.
12667 * common.opt (fprefetch-loop-arrays-rtl): Add.
12668 * tree-ssa-loop-prefetch.c: New file.
12669 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12670 (new_temp_expr_table): Initialize expr_vars.
12671 (free_temp_expr_table): Cleanup expr_vars.
12672 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12673 expressions from being merged into one.
12674 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12675 (struct tree_niter_desc): Add control, bound and cmp fields.
12676 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12678 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12679 (tree-cfgcleanup.o): Add SCEV_H dependency.
12680 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12681 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12683 2006-02-14 Richard Guenther <rguenther@suse.de>
12685 PR tree-optimization/26258
12686 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12687 in PHI argument processing.
12689 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12691 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12692 new expression in the requested machine mode.
12694 2006-02-13 Roger Sayle <roger@eyesopen.com>
12696 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12697 directly, instead let do_compare_rtx_and_jump handle this for us.
12698 * expr.c (expand_expr_real_1): Likewise.
12699 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12700 before do_jump_by_parts_greater.
12701 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12702 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12704 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12706 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12708 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12710 PR rtl-optimization/26235
12711 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12712 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12715 2006-02-13 Jeff Law <law@redhat.com>
12717 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12720 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12722 PR middle-end/26092
12723 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12724 twice if decl is a builtin. When trying again, call get_callee_fndecl
12725 first to verify it is still a builtin.
12727 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12729 * dwarf2out.c (base_type_die): Don't add AT_name here.
12730 (subrange_type_die): Don't add AT_name here.
12731 (modified_type_die): Rearrange code flow. Do add AT_name here.
12733 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12735 PR rtl-optimization/26247
12736 PR rtl-optimization/26248
12737 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12739 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12741 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12742 * config/fixtfdi.c: Likewise.
12743 * config/fixunstfdi.c: Likewise.
12744 * config/floatditf.c: Likewise.
12746 2006-02-13 Roger Sayle <roger@eyesopen.com>
12748 PR middle-end/24427
12749 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12750 into (X,C2) if C1 is a subset of the bits of C2. Transform
12751 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12753 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12755 2006-02-13 Josh Conner <jconner@apple.com>
12758 * varasm.c (function_section): Check for section name before
12759 calling select_section on targets that define
12760 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12761 unlikely_text_section instead of hot_function_section if
12762 first_function_block_is_cold.
12764 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12766 PR middle-end/25335
12767 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12769 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12771 PR rtl-optimization/26222
12772 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12773 after tree->rtl expansion.
12774 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12775 before passing it to emit_move_insn.
12777 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12779 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12781 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12782 Clarify documentation.
12783 * c-common.h (warn_write_strings): Remove.
12784 * c-common.c (warn_write_strings): Likewise.
12785 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12788 2006-02-12 Roger Sayle <roger@eyesopen.com>
12790 PR middle-end/25724
12791 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12792 (do_jump_parts_zero_rtx): New function renamed from
12793 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12794 (do_jump_parts_equality_rtx): New function split out from
12795 do_jump_parts_equality. Old implementation renamed as above.
12796 Call do_jump_parts_zero_rtx if either operand is zero.
12797 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12798 do all of the heavy lifting.
12799 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12800 calling either do_jump_by_parts_greater_rtx or
12801 do_jump_by_parts_equality_rtx.
12802 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12803 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12804 moved to do_compare_rtx_and_jump, call it directly.
12805 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12806 mode argument. Call do_compare_rtx_and_jump.
12807 (emit_case_nodes): Update calls to do_jump_if_equal.
12809 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12811 PR rtl-optimization/26225
12812 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12814 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12816 PR rtl-optimization/26232
12817 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12819 2006-02-11 Jason Merrill <jason@redhat.com>
12822 * tree-inline.c (declare_return_variable): Just don't use the
12823 modify target if it's a gimple complex reg and the return slot
12826 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12828 * doc/contrib.texi: Update my entry.
12830 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12832 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12834 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12836 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12839 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12841 * doc/invoke.texi (-floop-optimize2): Removed.
12842 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12843 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12844 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12845 * common.opt (floop-optimize2): Removed.
12846 (fmove-loop-invariants): Enabled by default.
12848 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12850 * tree-if-conv.c (combine_blocks): Free the result of
12851 get_loop_exit_edges.
12853 2006-02-10 Jeff Law <law@redhat.com>
12855 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12857 PR tree-optimization/26213
12858 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12859 loop trying to follow SSA_NAME_VALUE chains.
12861 2006-02-10 Richard Guenther <rguenther@suse.de>
12863 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12864 deal with structures that end in implicitly variable sized arrays.
12866 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12868 PR rtl-optimization/24762
12869 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12872 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12874 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12875 (struct ivopts_data): Add regs_used field.
12876 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12877 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12878 instead of loop_data->regs_used;
12879 (free_loop_data): Do not free aux fields for loops.
12880 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12881 and tree_ssa_iv_optimize_finalize.
12883 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12885 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12887 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12890 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12891 computing the effective result type.
12893 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12895 PR inline-asm/16194
12896 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12897 (tree_overlaps_hard_reg_set): Declare.
12898 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12899 type and signature to match function type expected by walk_tree.
12900 (tree_overlaps_hard_reg_set): New function.
12901 (decl_conflicts_with_clobbers_p): Rename to:
12902 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12903 Use tree_overlaps_hard_reg_set. Changed caller.
12904 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12905 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12906 * cris.c (cris_md_asm_clobbers): Likewise.
12908 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12910 * reload1.c (emit_input_reload_insns): Delete code that tries to
12911 inherit using find_equiv_reg.
12913 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12915 * c-common.h (flag_const_strings): Don't declare.
12916 * c-common.c (flag_const_strings): Remove.
12917 * c.opt (fconst_strings): Remove.
12918 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12919 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12920 (c_common_init_options): Don't set flag_const_strings.
12921 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12923 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12925 * arm.md (tlobits_cbranch): New pattern.
12926 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12927 testing a single bit.
12929 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12932 * tree-ssa-pre.c (create_component_ref_by_pieces):
12933 Handle RETURN_DECL like VAR_DECL.
12935 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12937 PR middle-end/26134
12938 * fold-const.c (fold_indirect_ref_1): Fold
12939 "*(foo *)&complexfoo" to "__real__ complexfoo"
12940 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12942 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12944 * tree-flow-inline.h (var_can_have_subvars):
12945 Volatile variables should not have subvariables.
12947 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12950 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12951 multiplying unsigned values.
12954 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12956 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12958 2006-02-08 Jason Merrill <jason@redhat.com>
12961 * tree.def: Elaborate on difference from MODIFY_EXPR.
12962 * doc/c-tree.texi (INIT_EXPR): Likewise.
12963 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12964 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12965 (gimplify_target_expr): Likewise.
12966 (gimplify_cond_expr): Remove target handling.
12967 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12968 (gimplify_expr): Clobber it here.
12969 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12970 Do return slot optimization if we have an INIT_EXPR.
12973 * tree-inline.c (declare_return_variable): Also clear
12974 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12977 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12979 PR middle-end/22439
12980 * gimplify.c (gimplify_one_sizepos): Fix typo.
12982 2006-02-08 Jeff Law <law@redhat.com>
12984 PR tree-optimization/21417
12985 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12986 across a backedge if the control statement at the end of the
12987 block is data dependent on other statements in the same block.
12988 (record_temporary_equivalences_from_stmts): Remove over-conservative
12989 test for threading across backedges.
12991 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12992 control statement, handle all three special cases in the same
12993 manner as they all have the same desired solution. No longer
12994 special case edge flag updating when the post dominator is
12997 2006-02-08 Roger Sayle <roger@eyesopen.com>
12999 * tree.def (CHAR_TYPE): Remove.
13000 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13001 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13002 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13003 (gen_string_type_die): Delete unreachable function.
13005 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13006 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13007 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13008 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13009 * builtins.c (type_to_class): Likewise.
13010 * fold-const.c (fold_convert, build_range_check,
13011 merge_ranges): Likewise.
13012 * expr.c (count_type_elements): Likewise.
13013 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13014 * stor-layout.c (layout_type): Likewise.
13015 * ipa-type-escape.c (type_to_consider): Likewise.
13016 * gimplify.c (omp_firstprivatize_type_sizes,
13017 gimplify_type_sizes): Likewise.
13018 * explow.c (promote_mode): Likewise.
13019 * tree-sra.c (is_sra_scalar_type): Likewise.
13020 * varasm.c (output_constant): Likewise.
13021 * tree-inline.c (remap_type_1): Likewise.
13022 * convert.c (convert_to_pointer, convert_to_real,
13023 convert_to_integer, convert_to_complex): Likewise.
13025 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13027 * df-scan.c (df_def_record_1): A set destination may
13028 be a parallel regardless of mode.
13030 2006-02-08 Roger Sayle <roger@eyesopen.com>
13033 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13034 * config/mips/_tilib.c: Remove.
13035 * config/fixtfdi.c: New libgcc source file.
13036 * config/fixunstfdi.c: New source file.
13037 * config/floatditf.c: New source file.
13038 * config/floatunditf.c: New souce file.
13039 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13040 files above instead of config/mips/_tilib.c.
13041 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13043 2006-02-08 Jeff Law <law@redhat.com>
13045 PR tree-optimization/26169
13046 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13049 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13051 * df.h (DF_REG_SIZE): Return the length of the initialized
13054 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13056 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13057 __muldf3): Return a correctly signed zero.
13059 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13061 * passes.c (register_one_dump_file): Accept the current properties
13062 instead of pass number. Adjust call to dump_register. Remove
13064 (register_dump_files): Now a wrapper around...
13065 (register_dump_files_1): ... this one. Do not modify the pass
13067 (next_pass_1): Cosmetic fix.
13068 (execute_todo): Keep second parameter only. Use curr_properties
13069 instead of fetching it from the pass structure. Check and set
13071 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13072 instead of fetching it from the pass structure. Fix calls to
13073 execute_todo. Update curr_properties and initialize .vcg RTL dump
13074 after running the pass. Reset last_verified.
13075 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13077 (FIRST_AUTO_NUMBERED_DUMP): New.
13078 (dump_register): Remove "num" parameter, assign it within the
13080 (get_dump_file_name): Modify template for dumps.
13081 * tree-dump.h (dump_register): Adjust prototype.
13082 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13083 (PROP_trees): Add PROP_gimple_lomp.
13084 (TODO_set_props): New.
13085 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13086 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13087 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13089 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13091 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13092 (sparc64-*-linux*): Likewise.
13093 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13094 * config/sparc/t-linux: New file.
13095 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13096 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13097 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13098 -m32 -mlong-double-128.
13100 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13101 * config/alpha/t-linux: New file.
13102 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13104 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13105 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13106 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13107 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13108 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13109 (CPP_ARCH32_SPEC): Remove.
13111 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13113 PR tree-optimization/26145
13114 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13117 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13120 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13121 >= 240000 when generating code for SOM runtime.
13122 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13123 to $$dyncall when generating code for SOM runtime..
13125 2006-02-07 Dirk Mueller <dmueller@suse.com>
13128 * doc/invoke.texi (-Wsequence-point): Update documentation
13129 that -Wsequence-point is implemented for C++ as well.
13131 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13133 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13134 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13135 (LIB_SPEC): Likewise.
13136 * doc/invoke.texi (SPARC options): Document -pthread.
13138 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13140 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13143 2006-02-07 Roger Sayle <roger@eyesopen.com>
13145 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13146 Correct comment describing BOOLEAN_TYPE.
13148 2006-02-07 Dirk Mueller <dmueller@suse.com>
13150 * c.opt: C++ frontend supports -Wdiv-by-zero.
13151 * c-opts.c (c_common_handle_option): Remove dead case.
13153 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13155 * configure.ac (TLS assembler check): Do not enable TLS by
13156 default on SPARC/Solaris before version 10.
13157 * configure: Regenerate.
13159 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13161 * doc/invoke.texi (xl-compat): Document conversion and support
13164 2006-02-07 Jeff Law <law@redhat.com>
13166 * tree-vrp.c (find_conditional_asserts): Update comments.
13167 (simplify_stmt_for_jump_threading): New.
13168 (identify_jump_threads, finalize_jump_threads): New.
13169 (vrp_finalize): Call identify_jump_threads.
13170 (execute_vrp): Call finalize_jump_threads.
13171 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13172 (vrp_element, vrp_data, vrp_element_p): Remove.
13173 (vrp_hash_elt, vrp_variables_stack): Remove.
13174 (vrp_hash, vrp_eq, record_range): Remove.
13175 (simplify_cond_and_lookup_avail_expr): Remove.
13176 (extract_range_from_cond): Remove.
13177 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13178 (simplify_stmt_for_jump_threading): New.
13179 (dom_thread_across_edge): New wrapper.
13180 (tree_ssa_dominator_optimize): No longer initialize or
13181 finalize any of the VRP datastructures. Remove iteration
13182 step and simplify as a result of removal of iteration step.
13183 (pass_dominator): Perform a cfg cleanup after DOM.
13184 (dom_opt_finalize_block): Use the new common routines
13185 for threading jumps. Simplify stack management slightly.
13186 No longer need to unwind VRP state.
13187 (record_equivalences_from_incoming_edge): No longer record
13189 (eliminate_redundant_computations): No longer call
13190 simplify_cond_and_lookup_avail_expr.
13191 * tree-flow.h (potentially_threadable_block): Prototype.
13192 (thread_across_edge): Likewise.
13193 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13194 (tree-ssa-threadedge.o): Add dependencies.
13195 * tree-ssa-threadedge.c: New file.
13196 * passes.c (init_optimization_passes): Merge PHIs before
13197 calling VRP. Run VRP again late in the SSA optimization pipeline.
13199 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13201 * df-core.c (df_set_blocks): Do not dereference function pointers.
13202 (df_finish1): Likewise.
13203 (df_hybrid_search_forward): Likewise.
13204 (df_hybrid_search_backward): Likewise.
13205 (df_iterative_dataflow): Likewise.
13206 (df_analyze_problem): Likewise.
13207 (df_compact_blocks): Likewise.
13208 (df_dump): Likewise.
13209 * df-scan.c (df_rescan_blocks): Likewise.
13210 (df_record_entry_block_defs): Likewise.
13212 * genconditions.c (write_conditions): Guard the definition of
13213 'insn_conditions' with the check on GCC version.
13214 (write_writer): Guard the traversal 'insn_conditions' with
13215 the check on GCC version.
13217 2006-02-07 Richard Guenther <rguenther@suse.de>
13221 2006-01-30 Richard Guenther <rguenther@suse.de>
13223 * gimplify.c (gimplify_target_expr): Handle easy cases
13224 without creating a temporary.
13226 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13228 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13229 use of float in probability computations. Use edge probabilities
13230 in place of statically computed probabilities.
13231 (min_spec_prob): New static variable.
13232 (schedule_insns): Initialize it.
13233 (GET_SRC_PROB): Removed.
13234 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13236 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13239 * config/ia64/unwind-ia64.c: Revert last change.
13240 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13241 (INCOMING_FRAME_SP_OFFSET): Define.
13243 2006-02-06 Roger Sayle <roger@eyesopen.com>
13245 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13247 2006-02-07 Ben Elliston <bje@au.ibm.com>
13249 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13250 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13251 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13252 (ix86_return_in_memory): Handle TDmode.
13253 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13254 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13256 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13258 * reorg.c (dbr_schedule): Use dump_file instead of file.
13260 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13263 * config/ia64/predicates.md (extr_len_operand): New predicate.
13264 * config/ia64/ia64.md (extv): Tighten constraints.
13266 (*tbit_and_2): Ditto.
13267 (*tbit_and_3): Ditto.
13268 (*tbit_or_2): Ditto.
13269 (*tbit_or_3): Ditto.
13270 (*bit_zero): Ditto.
13273 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13276 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13278 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13280 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13281 loop_optimizer_init and loop_optimizer_finalize
13282 * tree-ssa-sink.c (execute_sink_code): Ditto.
13283 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13284 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13285 tree_ssa_loop_done): Ditto.
13286 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13287 * sched-ebb.c: Include output.h.
13288 (schedule_ebbs): Do not use dump argument.
13289 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13290 * loop.c (loop_dump_stream): Removed.
13291 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13293 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13294 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13295 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13296 loop_iterations, strength_reduce, record_biv, record_giv,
13297 final_giv_value, check_final_value, check_ext_dependent_givs,
13298 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13299 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13300 dump_file instead of loop_dump_stream.
13301 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13302 argument dump_file.
13303 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13305 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13306 * haifa-sched.c: Include output.h
13307 (schedule_insns, sched_init): Do not use dump argument.
13308 * mode-switching.c (optimize_mode_switching): Ditto.
13309 * modulo-sched.c (stats_file): Removed.
13310 (print_node_sched_params): Do not call argument dump_file.
13311 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13312 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13314 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13316 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13317 rtl_loop_init, rtl_loop_done): Ditto.
13318 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13319 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13321 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13322 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13323 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13324 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13325 * emit-rtl.c (renumber_insns): Ditto.
13326 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13327 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13328 * regclass.c (regclass): Ditto.
13329 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13330 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13331 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13332 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13334 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13335 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13337 * gcse.c (gcse_file, debug_stderr): Removed.
13338 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13339 rest_of_handle_gcse): Do not use dump argument.
13340 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13341 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13342 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13343 compute_code_hoist_vbeinout, compute_code_hoist_data,
13344 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13345 compute_store_table, build_store_vectors, insert_insn_start_bb,
13346 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13347 store_motion): Use dump_file instead of gcse_file.
13348 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13349 * profile.c (profile_dump_file): Removed.
13350 (branch_prob): Use dump_file instead of profile_dump_file.
13351 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13353 * tree-ssa-copy.c (dump_copy_of): Ditto.
13354 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13355 dump file to life_analysis.
13356 * bt-load.c (branch_target_load_optimize): Ditto.
13357 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13359 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13360 regclass, dbr_schedule): Declaration changed.
13361 * sched-int.h (sched_init): Declaration changed.
13362 * tree-profile.c (tree_profile_dump_file): Removed.
13363 (tree_profile_hooks): Removed profile_dump_file hook.
13364 * rtl-profile (rtl_profile_dump_file): Removed.
13365 (rtl_profile_hooks): emoved profile_dump_file hook.
13366 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13368 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13369 * tree-cfg.c (build_tree_cfg): Ditto.
13370 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13371 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13372 Declaration changed.
13373 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13374 life_analysis and schedule_insns.
13375 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13377 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13379 * config/mips/mips.c (mips_reorg): Ditto.
13380 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13383 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13385 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13386 (s390_mangle_fundamental_type): New.
13387 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13390 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13391 (alpha_mangle_fundamental_type): New.
13392 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13395 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13397 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13399 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13400 (sparc_mangle_fundamental_type): New.
13402 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13404 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13405 (s390x-*-linux*): Likewise.
13406 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13407 * config/s390/t-linux: New file.
13409 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13411 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13412 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13414 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13416 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13417 (ANTIC_SAFE_LOADS): New macro.
13418 (find_or_generate_expression): Add prototype.
13419 (set_contains_value): Allow null set for sake of not always having
13420 to allocate ANTIC_SAFE_LOADS.
13421 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13422 Allow COMPONENT_REF too.
13423 (valid_in_set): Allow COMPONENT_REF.
13424 Check ANTIC_SAFE_LOADS too.
13425 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13426 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13428 (can_PRE_operation): Add COMPONENT_REF.
13429 (create_component_ref_by_pieces): New function.
13430 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13431 (insert_aux): Move AGGREGATE_TYPE_P check here.
13432 (compute_avail): Set bb local stmt uids.
13433 (pass_pre): Use TODO_update_ssa_only_virtuals.
13435 2006-02-06 Ben Elliston <bje@au.ibm.com>
13437 * configure.ac: Unconditionally disable decimal float by default.
13438 * configure: Regenerate.
13440 2006-02-06 Ben Elliston <bje@au.ibm.com>
13442 * read-rtl.c (read_name): Terminate reading on EOF.
13444 2006-02-06 Ben Elliston <bje@au.ibm.com>
13446 * dfp.c (decimal_real_arithmetic): Change second argument type
13447 from int to enum tree_code. Do not always return true, but now
13448 return result of any call to decimal_do helper functions.
13449 * dfp.h (decimal_real_arithmetic): Update prototype.
13451 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13453 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13455 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13458 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13461 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13463 * tree-vrp.c (cfg_loops): Removed.
13464 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13465 Use current_loops instead of cfg_loops. Pass flags to
13466 loop_optimizer_init.
13467 * cfgloopmanip.c (fix_loop_structure): Update only available
13469 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13470 loop_optimizer_init.
13471 * modulo-sched.c (build_loops_structure): Removed.
13472 (sms_schedule): Use loop_optimizer_init.
13473 * loop-init.c (loop_optimizer_init): Use flags to determine
13474 which properties of loops to prepare.
13475 (rtl_loop_init): Pass flags to loop_optimizer_init.
13476 * tree-ssa-sink.c (execute_sink_code): Ditto.
13477 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13478 * tree-ssa-pre.c (init_pre): Ditto.
13479 * cfgloop.h (LOOPS_NORMAL): New.
13480 (loop_optimizer_init): Declaration changed.
13482 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13484 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13485 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13487 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13489 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13491 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13492 * pa/t-pa64: Delete quadlib.c rule.
13493 * pa/x-ada: Revert last change.
13494 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13496 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13498 PR rtl-optimization/26087
13499 * rtlanal.c (canonicalize_condition): Do not cross basic block
13502 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13505 * config/ia64/ia64.c: Include debug.h.
13506 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13507 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13508 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13509 (process_epilogue, process_set, process_for_unwind_directive):
13510 Output unwind info only if requested. Add CFA info if requested.
13511 Add new arguments as needed. Adjust callers.
13512 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13514 (DWARF2_FRAME_INFO): Define to zero.
13515 * config/ia64/unwind-ia64.c: Remove code that compensated for
13516 the CFA offset error fixed above.
13517 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13518 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13519 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13520 -funwind-tables and -fexceptions to enable frame info.
13521 (dwarf2out_frame_init): Define initial CFA even if
13522 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13523 DWARF2_UNWIND_INFO is nonzero, not just defined.
13524 (dwarf2out_frame_finish): Output non-EH call frame info only
13525 if DWARF2_FRAME_INFO is nonzero.
13526 (convert_cfa_to_loc_list,
13527 compute_frame_pointer_to_cfa_displacement): Define even if
13528 unwind info is not supported.
13529 (gen_subprogram_die): Use the above unconditionally. Remove
13530 legacy alternate code.
13531 * toplev.c (compile_file): Compile in call to
13532 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13533 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13535 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13536 Jakub Jelinek <jakub@redhat.com>
13538 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13539 IBM extended float format long double as "g" on powerpc*-linux.
13541 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13544 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13545 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13547 2006-02-03 Jason Merrill <jason@redhat.com>
13550 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13552 PR middle-end/25977
13553 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13554 on the return slot if it's an NRV.
13556 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13558 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13559 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13560 rewrite_use): Do not handle USE_OUTER.
13561 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13562 add_iv_outer_candidates, may_replace_final_value,
13563 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13564 (find_interesting_uses_op): Functionality of
13565 find_interesting_uses_outer_or_nonlin moved here.
13566 (find_interesting_uses_outside): Use find_interesting_uses_op.
13568 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13571 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13573 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13574 Ulrich Weigand <uweigand@de.ibm.com>
13577 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13578 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13579 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13580 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13582 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13583 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13584 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13585 Define secondary reloads for TFmode moves.
13586 (constant_modes): Add TFmode.
13587 (NR_C_MODES): Set to 8.
13588 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13590 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13591 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13592 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13593 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13594 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13595 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13596 (FPR mode macro): Add TFmode.
13597 (DSF mode macro): New.
13598 (<de>, <dee> mode attributes): Removed.
13599 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13600 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13601 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13602 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13603 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13604 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13605 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13606 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13607 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13608 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13609 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13610 "*negabs<mode>2", "sqrt<mode>2"):
13611 Changed <de> to <xde>. R constraint replaced by <Rf>.
13612 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13614 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13615 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13616 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13618 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13619 "extenddftf2", "extendsftf2"): New expanders.
13620 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13621 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13622 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13623 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13625 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13626 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13627 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13628 __floatditf): Add a GCC_4.1.0 symbol version tag.
13629 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13632 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13635 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13636 Use targetm.binds_local_p instead of TREE_PUBLIC.
13638 2006-02-02 Roger Sayle <roger@eyesopen.com>
13640 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13641 on INTEGER_TYPEs to indicate that it denotes a character type.
13642 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13643 signed_char_type_node, unsigned_char_type_node and char_type_node.
13644 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13645 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13646 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13648 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13649 Daniel Berlin <dberlin@dberlin.org>
13651 * tree-tailcall.c (arg_needs_copy_p): New function.
13652 (eliminate_tail_call): Use arg_needs_copy_p.
13653 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13654 (add_virtual_phis): New function.
13656 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13658 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13659 #ignore instead of #scratch for %g7 .register directive.
13661 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13663 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13666 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13668 * flow.c (calculate_global_regs_live): Assert that there aren't any
13671 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13673 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13674 what its name says.
13675 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13676 bsi_after_labels iterator.
13677 * tree-if-conv.c (find_phi_replacement_condition,
13678 replace_phi_with_cond_modify_expr): Likewise.
13679 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13680 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13682 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13684 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13686 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13689 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13690 array after growing it.
13692 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13694 PR middle-end/24901
13695 * fold-const.c (fold_checksum_tree): Change type of buf.
13697 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13699 * reload.c (push_secondary_reload): Initialize t_icode.
13701 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13703 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13704 -msoft-float -mlong-double-128 only issue a warning, but don't
13705 swich to DFmode long double.
13707 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13709 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13710 has a constant equivalent, iterate over equivalents for arg0,
13711 calling simplify_relational_operation and if there's a result
13712 cheaper than X, apply fold_rtx and return the result.
13714 2006-02-01 Jan Hubicka <jh@suse.cz>
13716 * opts.c (no_unit_at_a_time_default): New global variable.
13717 (decode_options): Use it.
13718 * opts.h (no_unit_at_a_time_default): Declare.
13720 2006-02-01 Paul Brook <paul@codesourcery.com>
13722 * function.c (assign_parm_setup_reg): Use function argument promotion
13724 * expr.c (expand_expr_real_1): Use function argument promotion rules
13727 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13729 * gcc.c (process_command): Change j to 'unsigned int'.
13731 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13733 PR middle-end/26001
13734 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13735 Use the corrected index for the character
13736 out of the string constant.
13738 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13740 * mode-switching.c (optimize_mode_switching): Fix size
13741 allocated for bb_info[n_entities].
13743 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13745 * gcc.c (main): Correct type that is allocated for
13746 explicit_link_files.
13748 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13750 * config/s390/s390.c (init_alignment_context): Set
13751 ALIAS_SET_MEMORY_BARRIER on the MEM.
13752 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13754 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13756 PR middle-end/25933
13757 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13759 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13762 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13764 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13765 * regrename.c: Ditto.
13766 * tree-ssa-loop-im.c: Ditto.
13767 * tree-dump.c: Ditto.
13768 * tree-complex.c: Ditto.
13769 * genrecog.c: Ditto.
13770 * tree-ssa-threadupdate.c: Ditto.
13772 * java/class.c: Ditto.
13773 * java/jcf-parse.c: Ditto.
13774 * java/resource.c: Ditto.
13775 * java/except.c: Ditto.
13776 * java/jvspec.c: Ditto.
13777 * java/jcf-write.c: Ditto.
13778 * java/jcf-path.c: Ditto.
13779 * java/gjavah.c: Ditto.
13780 * java/zextract.c: Ditto.
13781 * java/jcf-io.c: Ditto.
13782 * java/jcf.h: Ditto.
13783 * java/buffer.c: Ditto.
13784 * java/lang.c: Ditto.
13785 * java/parse-scan.y: Ditto.
13786 * java/lex.c: Ditto.
13787 * java/lex.h: Ditto.
13788 * cfgloopmanip.c: Ditto.
13789 * postreload-gcse.c: Ditto.
13790 * tree-ssa-loop-manip.c: Ditto.
13791 * postreload.c: Ditto.
13792 * tree-ssa-loop-ch.c: Ditto.
13795 * cppspec.c: Ditto.
13796 * diagnostic.c: Ditto.
13798 * genoutput.c: Ditto.
13800 * cfghooks.c: Ditto.
13801 * cfgloopanal.c: Ditto.
13802 * objc/objc-act.c: Ditto.
13804 * genextract.c: Ditto.
13805 * genautomata.c: Ditto.
13806 * pretty-print.c: Ditto.
13807 * genemit.c: Ditto.
13808 * cgraphunit.c: Ditto.
13810 * df-scan.c: Ditto.
13811 * haifa-sched.c: Ditto.
13812 * dominance.c: Ditto.
13814 * tree-ssa-loop-ivopts.c: Ditto.
13815 * df-core.c: Ditto.
13816 * mode-switching.c: Ditto.
13817 * modulo-sched.c: Ditto.
13819 * ipa-pure-const.c: Ditto.
13821 * fix-header.c: Ditto.
13823 * tree-stdarg.c: Ditto.
13824 * ipa-utils.c: Ditto.
13825 * loop-init.c: Ditto.
13826 * ipa-inline.c: Ditto.
13827 * cfganal.c: Ditto.
13829 * alloc-pool.c: Ditto.
13830 * dwarf2out.c: Ditto.
13832 * genattrtab.c: Ditto.
13833 * tree-ssa-loop-ivcanon.c: Ditto.
13834 * predict.c: Ditto.
13835 * timevar.c: Ditto.
13837 * fortran/gfortranspec.c: Ditto.
13838 * regmove.c: Ditto.
13839 * local-alloc.c: Ditto.
13840 * langhooks.c: Ditto.
13841 * function.c: Ditto.
13842 * tree-vectorizer.c: Ditto.
13844 * ipa-type-escape.c: Ditto.
13846 * tree-if-conv.c: Ditto.
13847 * profile.c: Ditto.
13849 * tree-data-ref.c: Ditto.
13850 * loop-unroll.c: Ditto.
13851 * treelang/treetree.c: Ditto.
13853 * bt-load.c: Ditto.
13854 * ggc-common.c: Ditto.
13856 * coverage.c: Ditto.
13858 * tree-cfgcleanup.c: Ditto.
13859 * tree-ssa-pre.c: Ditto.
13860 * cfgcleanup.c: Ditto.
13861 * loop-invariant.c: Ditto.
13862 * loop-iv.c: Ditto.
13863 * ipa-prop.c: Ditto.
13864 * print-tree.c: Ditto.
13865 * conflict.c: Ditto.
13866 * ggc-page.c: Ditto.
13867 * sched-deps.c: Ditto.
13868 * regclass.c: Ditto.
13869 * tree-object-size.c: Ditto.
13870 * combine.c: Ditto.
13871 * bb-reorder.c: Ditto.
13872 * resource.c: Ditto.
13873 * var-tracking.c: Ditto.
13874 * cfgloop.c: Ditto.
13875 * df-problems.c: Ditto.
13876 * reg-stack.c: Ditto.
13878 * gccspec.c: Ditto.
13879 * sched-rgn.c: Ditto.
13880 * tree-ssa-structalias.c: Ditto.
13881 * tree-ssa-reassoc.c: Ditto.
13882 * config/darwin-c.c: Ditto.
13883 * config/darwin.c: Ditto.
13884 * config/arm/arm.c: Ditto.
13886 * collect2.c: Ditto.
13887 * reload1.c: Ditto.
13889 2006-01-31 Nicolas Pitre <nico@cam.org>
13891 * arm.md (smaxsi3): Make aware of smax_m1.
13894 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13896 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13898 2006-01-31 Richard Guenther <rguenther@suse.de>
13900 * doc/invoke.texi (-msselibm): Document.
13901 * target.h (expand_library_builtin): New target hook.
13902 * builtins.c (expand_builtin): Use expand_library_builtin.
13903 (default_expand_library_builtin): New function.
13904 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13905 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13906 (link_gcc_math_spec): Declare.
13907 (static_specs): Add link_gcc_math_spec.
13908 * expr.h (default_expand_library_builtin): Declare.
13909 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13910 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13911 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13912 * config/i386/i386.opt (msselibm): New target option.
13913 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13914 (ix86_init_sse_abi_builtins): New function.
13915 (ix86_expand_library_builtin): Likewise.
13916 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13917 (override_options): Handle error conditions wrt -msselibm.
13918 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13919 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13920 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13923 2006-01-31 Richard Guenther <rguenther@suse.de>
13924 Paolo Bonzini <bonzini@gnu.org>
13926 * doc/install.texi (--disable-libgcc-math): Document.
13928 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13930 * expr.h (expand_normal): new inline function.
13931 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13932 * dojump.c: use it.
13933 * dwarf2out.c: use it.
13936 * expmed.c: use it.
13937 * except.c: use it.
13938 * config/sparc/sparc.c: use it.
13939 * config/i386/i386.c: use it.
13940 * config/rs6000/rs6000.c: use it.
13941 * config/arm/arm.c: use it.
13942 * config/mips/mips.c: use it.
13943 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13945 2006-01-30 Roger Sayle <roger@eyesopen.com>
13947 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13948 argv to the appropriate type.
13950 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13952 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13955 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13958 * config/s390/s390.c (struct machine_function): New flag
13959 decomposed_literal_pool_addresses_ok_p.
13960 (s390_reorg): Set it before final stage of literal pool transforms.
13961 (s390_decompose_address): Only accept displacements of the form
13962 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13964 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13966 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13967 the comparison routine return.
13969 2006-01-30 Michael Matz <matz@suse.de>
13971 * global.c (find_reg): Only evict for global regs.
13972 Take n_refs into account and dump more info.
13974 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13977 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13978 (pragma_trap, pragma_nosave_low_regs): Likewise.
13979 (current_function_anonymous_args): Likewise.
13980 (sh_deferred_function_attributes): New variable.
13981 (sh_deferred_function_attributes_tail): Likewise.
13982 (print_operand): For '@', look up trap_exit attribute.
13983 (calc_live_regs): Look up trapa_handler attribute. For trapa
13984 handlers, save/restore fpscr, but don't do any other
13985 interrupt-specific saves.
13986 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13987 Fix check for partially saved registers to check for SHmedia.
13988 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13989 (sh_output_function_epilogue): Don't clear any of the removed
13991 (sh_insert_attributes): Don't check pragma_interrupt.
13992 Insert deferred attributes. Check that interrupt attribute is
13993 present for other attributes that require its presence.
13994 (sh_attribute_table): Add new attributes trapa_handler and
13996 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13997 Don't check for pragma_interrupt. Don't store argument.
13998 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13999 (sh_deferred_function_attributes): Declare.
14000 (sh_deferred_function_attributes_tail): Likewise.
14001 * sh.md (sp_switch_1): Add operand. Change generator caller.
14002 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14003 (*return_i): Don't use when trap_exit attribute is in effect.
14004 (*return_trapa): New insn pattern.
14005 * sh-c.c: New file.
14006 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14007 setting c_target_objs and cxx_target_objs.
14008 * t-sh: Add rule for sh-c.o.
14010 2006-01-30 Richard Guenther <rguenther@suse.de>
14013 * gimplify.c (gimplify_target_expr): Handle easy cases
14014 without creating a temporary.
14016 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14018 * vec.h (safe_grow): Remove duplicated line.
14020 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14023 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14024 (expand_omp): ... here.
14025 (expand_omp_parallel): Only remove barriers for combined
14026 parallel+workshare constructs.
14028 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14032 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14033 * tree.c (build_qualified_type): Chain the new type to the original
14034 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14035 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14036 (build_pointer_type_for_mode): Only return unqualified types.
14037 (build_reference_type_for_mode): Likewise.
14039 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14041 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14042 * Makefile.in (CXX_COMPAT_WARN): Define.
14043 * configure: Regenerate.
14045 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14048 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14051 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14053 * toplev.c: Fix thinko.
14055 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14056 Marcin Dalecki <martin@dalecki.de>
14058 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14059 (push_srcloc): Use XNEW.
14060 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14062 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14064 * df-core.c (df_set_blocks): Deleted all variable.
14066 2006-01-28 Ian Lance Taylor <ian@airs.com>
14068 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14069 cgraph_output_pending_asms.
14071 2006-01-28 Zack Weinberg <zackw@panix.com>
14073 * c.opt: Add -W(no-)overlength-strings.
14074 * doc/invoke.texi: Document it.
14075 * c-opts.c (c_common_handle_option): -pedantic implies
14076 -Woverlength-strings, if not explicitly disabled already.
14077 (c_common_post_options): -Woverlength-strings defaults to off, and
14078 is always off for C++.
14079 * c-common.c (fix_string_type): Issue warning about strings longer
14080 than is portable only if warn_overlength_strings. Rearrange code
14081 a little for clarity.
14082 * configure.in: Check for -Wno-overlength-strings as well before
14083 enabling -pedantic in stage 1.
14084 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14085 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14087 * genconditions.c (write_header, write_one_condition)
14088 (write_conditions, write_writer): Consolidate very long strings
14089 that were broken up to fit in C89 portable limit. Don't use
14090 printf when fputs will do.
14092 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14094 * combine.c (simplify_comparison <AND>): Check
14095 TRULY_NOOP_TRUNCATION before start using a subreg.
14097 * config/mips/mips.md (*branch_zero<mode>,
14098 *branch_zero<mode>_inverted, *branch_equality<mode>,
14099 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14100 Remove mode check from comparisons.
14102 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14104 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14106 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14108 * expmed.c (const_mult_add_overflow_p): Remove.
14109 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14111 * recog.c (validate_replace_rtx_subexp): Remove.
14112 * recog.h: Remove the prototype for
14113 validate_replace_rtx_subexp.
14115 * integrate.h: Remove the prototype for
14116 copy_decl_for_inlining.
14117 * rtl.h: Remove the prototype for mark_constant_function.
14118 * tree-vectorizer.h: Remove the prototype for
14119 vect_strip_conversion.
14121 * modulo-sched.c (create_partial_schedule,
14122 free_partial_schedule, reset_partial_schedule): Make them
14125 * hooks.c (hook_bool_rtx_int_false): Remove.
14126 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14128 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14130 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14131 and -mlong-double-128 are incompatible.
14132 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14133 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14134 (TARGET_LIBGCC2_CFLAGS): Define.
14135 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14136 (TARGET_LIBGCC2_CFLAGS): Same.
14137 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14139 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14142 * c-typeck.c (build_binary_op): Perform implicit casts of
14143 operands before shortening them.
14145 * cfgloopmanip.c (split_loop_bb): Remove.
14146 * cfgloop.h: Remove the prototype for split_loop_bb.
14148 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14149 * cfgloop.h: Remove the prototype for
14150 flow_loop_outside_edge_p.
14152 * emit-rtl.c (init_virtual_regs): Make it static.
14153 * function.h: Remove the prototype for init_virtual_regs.
14155 * recog.c (peephole2_optimize): Make it static.
14156 * recog.h: Remove the prototype for peephole2_optimize.
14158 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14160 * df-scan.c (df_record_entry_block_defs): Check if
14161 INCOMING_RETURN_ADDR_RTX is defined.
14163 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14164 Kenneth Zadeck <zadeck@naturalbridge.com>
14166 PR rtl-optimization/24762
14167 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14168 * targhooks.c (hook_void_bitmap): New hook prototype.
14169 * targhoohs.h (hook_void_bitmap): Ditto.
14170 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14171 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14172 * target.h (live_on_entry): New function pointer.
14173 * df-scan.c (df_all_hard_regs): Removed.
14174 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14175 (df_scan_free_internal): Added df->entry_block_defs.
14176 (df_scan_alloc): Ditto.
14177 (df_scan_dump): Ditto.
14178 (df_uses_record): Plumbed flag field properly thru calls.
14179 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14180 This part fixes PR24762.
14181 (df_bb_refs_record): Added code to make the frame and arg
14182 pointers live in EH blocks.
14183 (df_refs_record): Added call to df_record_entry_block_defs.
14184 (df_record_entry_block_defs): New function.
14185 * df-core.c: Added comments to describe new artifical defs.
14186 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14187 (entry_block_defs): New field in struct df.
14188 (df_all_hard_regs): Deleted.
14189 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14190 * df-problems.c (df_ru_bb_local_compute_process_def):
14191 Added code to handle artifical defs in the entry to a function.
14192 (df_ru_bb_local_compute): Ditto.
14193 (df_rd_bb_local_compute_process_def): Ditto.
14194 (df_rd_bb_local_compute): Ditto.
14195 (df_lr_bb_local_compute): Ditto.
14196 (df_ur_bb_local_compute): Ditto.
14197 (df_urec_bb_local_compute): Ditto.
14198 (df_chain_create_bb): Ditto.
14199 (df_ur_local_finalize): Removed entry.
14200 (df_urec_init): Ditto.
14201 (df_urec_local_finalize): Ditto.
14202 (df_ri_bb_compute): Added detection of last use of pseudos.
14203 * Makefile.in (df-scan.o): Updated dependencies.
14204 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14205 * config/mips/mips.c (mips_set_live_on_entry): Added.
14206 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14208 * dce.c (marked_insn_p): Added code to handle artifical defs.
14210 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14212 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14214 (_mm_cvtsi128_si64): Likewise.
14215 (_mm_cvtsd_si64): Likewise.
14216 (_mm_cvttsd_si64): Likewise.
14217 (_mm_cvtsi64_sd): Likewise.
14218 (_mm_cvtsi64_si128): Likewise.
14219 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14220 (_mm_cvtsi64_m64): Likewise.
14221 (_m_to_int64): Likewise.
14222 (_mm_cvtm64_si64): Likewise.
14223 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14224 (_mm_cvttss_si64): Likewise.
14225 (_mm_cvtsi64_ss): Likewise.
14226 (_mm_cvtss_f32): Likewise.
14228 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14230 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14231 for pragma redefine_extname.
14233 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14236 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14237 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14238 -mno-minimal-toc to previous content.
14239 (bispecs): Remove goal.
14240 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14241 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14242 compatibility aliases on powerpc-*-*gnu*.
14243 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14244 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14245 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14246 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14247 (ldblspecs): New goal.
14248 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14249 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14251 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14252 L_sf_to_tf or L_df_to_tf is defined.
14254 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14255 Alan Modra <amodra@bigpond.net.au>
14258 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14259 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14260 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14261 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14262 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14263 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14264 (rs6000_override_options): Initialize rs6000_ieeequad.
14265 Initialize TFmode format to ibm_extended_format if not
14267 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14269 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14270 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14271 (function_arg_advance): IBM long double passed in two FPRs, not
14273 (function_arg): IBM long double passed in FPRs.
14274 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14275 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14276 Only multireg GPR aligned.
14277 (rs6000_init_libfuncs): Enable IBM long double functions if not
14279 (rs6000_generate_compare): Use IBM long double compare if not
14281 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14282 (TARGET_IEEEQUAD): Define.
14283 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14284 not TARGET_IEEEQUAD.
14285 * config/rs6000/rs6000.md: Enable TFmode patterns if
14287 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14288 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14289 and -mlong-double-128 are incompatible.
14290 * doc/invoke.texi (-mabi): Collect options together. Add
14291 ibmlongdouble and ieeelongdouble.
14293 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14295 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14297 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14298 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14299 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14300 * rtl.h (rtunion_def): Remove rt_ptr.
14302 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14303 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14304 * config/i386/winnt.c (i386_pe_mark_dllexport)
14305 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14307 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14309 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14311 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14315 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14316 pthread_key_delete. From John David Anglin. gthrw-ify
14317 pthread_getunique_np only if it it's not a macro. Delete
14319 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14320 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14321 __gthread_objc_condition_signal, __gthread_key_delete): Add
14322 "__attribute__ ((__unused__))" to unused arguments.
14323 (__gthread_recursive_mutex_init_function): Add missing return.
14324 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14325 gthr-posix95.h: Use macro-based approach for name redirection
14326 on targets missing weakref.
14328 2006-01-26 Zack Weinberg <zackw@panix.com>
14330 * genconditions.c (write_header): In generated code, #ifdef out
14331 all includes and fake declarations, except includes of bconfig.h
14332 and system.h, unless GCC_VERSION >= 3001. Do not include
14333 gensupport.h in any case.
14334 (write_conditions): Generate a definition of struct c_test. Add
14335 a comment to the generated #endif.
14336 (write_one_condition): Escape backslashes in string too.
14337 (write_writer): Generated code must escape backslashes and quote
14338 marks (but not newlines) in the strings it writes.
14339 * Makefile.in (build/gencondmd.o): Update dependencies.
14341 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14344 * Makefile.in (insn-automata.o): Add header file dependencies.
14345 * genautomata.c: Add includes.
14347 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14350 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14352 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14354 * configure.ac: Expect target tools paths to be passed from the toplevel
14355 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14357 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14359 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14362 * c.opt (Wpointer-sign): Init to -1.
14363 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14364 OPT_pedantic, to 0 otherwise.
14365 * doc/invoke.texi: Update.
14367 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14369 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14370 constants provided by 80387 instructions in the destination mode.
14372 2006-01-26 Richard Guenther <rguenther@suse.de>
14373 Andrew Pinski <pinskia@physics.uc.edu>
14376 partial PR tree-opt/17064
14377 * tree-ssa-structalias.c (intra_create_variable_infos):
14378 Create heap variables for incoming parameters if
14379 flag_argument_noalias > 1.
14380 (find_what_p_points_to): Look through default defs of
14383 2006-01-26 Jeff Law <law@redhat.com>
14386 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14387 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14388 within the VR_RANGE, use the VR_RANGE as the result, not the
14390 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14391 bounds for the type.
14393 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14395 * tree-ssa-alias.c (maybe_create_global_var): Change
14396 subvar walking to an assertion that we don't have subvar'd variables.
14398 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14401 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14402 Use a new variable, inner. PARM_DECLs are always non-weak.
14404 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14406 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14407 --disable-checking.
14409 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14411 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14413 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14415 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14416 (smax_insn, smin_insn, smax_0, smin_0): New.
14418 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14421 * config/cris/cris.c (cris_order_for_addsi3): New function.
14422 * config/cris/cris-protos.h: Prototype it.
14423 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14424 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14425 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14426 (split for "op.S1 [rx=rx+i],ry (swapped)")
14427 (split for "op(s|u).S1 [rx=rx+i],ry")
14428 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14429 Apply cris_order_for_addsi3 when generating addsi3 insns.
14431 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14433 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14434 (TREE_BLOCK): Add call to EXPR_CHECK.
14436 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14439 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14440 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14441 (dump_omp_clauses): ... here.
14442 (dump_generic_node): Handle OMP_CLAUSE.
14443 * tree.c (omp_clause_num_ops): New.
14444 (omp_clause_code_name): New.
14445 (tree_code_size): Handle OMP_CLAUSE.
14446 (tree_size): Likewise.
14447 (make_node): Document handling of OMP_CLAUSE.
14448 (tree_node_structure): Handle OMP_CLAUSE.
14449 (omp_clause_check_failed): New.
14450 (omp_clause_range_check_failed): New.
14451 (omp_clause_operand_check_failed): New.
14452 (build_omp_clause): New.
14453 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14454 * tree.h (enum omp_clause_code): Declare.
14455 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14456 (OMP_CLAUSE_RANGE_CHECK): Define.
14457 (OMP_CLAUSE_ELT_CHECK): Define.
14458 (omp_clause_check_failed): Declare.
14459 (omp_clause_operand_check_failed): Declare.
14460 (omp_clause_range_check_failed): Declare.
14461 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14462 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14463 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14464 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14465 (OMP_CLAUSE_IF_EXPR): Likewise.
14466 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14467 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14468 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14469 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14470 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14471 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14472 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14473 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14474 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14475 (OMP_CLAUSE_CODE): Define.
14476 (OMP_CLAUSE_SET_CODE): Define.
14477 (OMP_CLAUSE_CODE): Define.
14478 (OMP_CLAUSE_OPERAND): Define.
14479 (struct tree_omp_clause): Declare.
14480 (union tree_node): Add field 'omp_clause'.
14481 * treestruct.def (TS_OMP_CLAUSE): Define.
14482 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14483 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14484 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14485 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14486 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14487 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14488 (OMP_CLAUSE): Define.
14489 * print-tree.c (print_node): Handle OMP_CLAUSE.
14490 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14491 * c-typeck.c: Likewise.
14492 * gimplify.c: Likewise.
14493 * c-omp.c: Likewise.
14494 * tree-nested.c: Likewise.
14495 * tree-inline.c: Likewise.
14496 * c-parser.c: Likewise.
14497 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14500 2006-01-25 Roger Sayle <roger@eyesopen.com>
14502 PR rtl-optimization/25703
14503 * combine.c (try_combine): Handle zero_extract and strict_low_part
14504 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14506 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14508 * global.c: Fix comment typos.
14510 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14513 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14514 Use output_addr_const instead of assemble_name.
14516 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14518 * Makefile.in (sched-vis.o): Update dependencies.
14519 * haifa-sched.c (sched_finish): Clear current_sched_info.
14520 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14521 (dump_flow_info): Call it.
14522 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14524 * basic-block.h (dump_bb_info): Declare.
14525 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14526 option, and apply options only for dump files whose TDF_RTL,
14527 TDF_TREE, or TDF_IPA bits match.
14528 * rtl.h: Declare new functions exported from sched-vis.c.
14529 * sched-vis.c: Enable also if scheduling is not used.
14530 (print_value): Print the mode of registers if not inside scheduling.
14531 (print_insn): Make it work outside the scheduler. Beautify the output
14533 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14535 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14537 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14538 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14539 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14540 depending on the value of CONSTANT_POOL_ADDRESS_P.
14541 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14543 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14544 rather than SYMBOL_REF_DECL.
14545 (rtx_constant_pool): Remove const_rtx_sym_htab.
14546 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14547 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14548 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14549 Remove handling of const_rtx_sym_htab.
14550 (find_pool_constant): Delete.
14551 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14552 rather than find_pool_constant.
14553 (get_pool_constant_for_function): Delete.
14554 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14555 find_pool_constant.
14556 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14557 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14558 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14559 (SYMBOL_REF_CONSTANT): New macro.
14560 (get_pool_constant_for_function): Delete.
14561 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14562 rather than SYMBOL_REF_DECL.
14563 (i386_pe_mark_dllimport): Likewise.
14564 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14565 rather than SYMBOL_REF_DECL.
14566 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14567 (machopic_indirect_call_target): Likewise.
14569 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14571 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14573 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14575 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14577 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14579 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14581 2006-01-24 David Daney <ddaney@avtrex.com>
14584 * configure.ac (enable_tls): New enable option.
14585 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14586 * configure: Regenerate.
14587 * doc/install.texi (--enable-tls): Document new option.
14588 (--disable-tls): Ditto.
14590 2006-01-24 Richard Henderson <rth@redehat.com>
14592 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14593 * alias.c (true_dependence): Respect it.
14594 (canon_true_dependence, write_dependence_p): Likewise.
14595 * builtins.c (get_builtin_sync_mem): Set it.
14597 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14599 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14602 2006-01-24 DJ Delorie <dj@redhat.com>
14604 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14605 for storing constants in single-bit bitfields.
14607 2006-01-25 Ben Elliston <bje@au.ibm.com>
14609 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14611 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14614 * tree-ssa-pre.c (phi_translate): Return NULL
14615 for AGGREGATE_TYPE's.
14617 2006-01-24 Zack Weinberg <zackw@panix.com>
14619 * genautomata.c (process_state_for_insn_equiv_partition):
14620 Use xcalloc for insn_arcs_array.
14621 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14622 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14624 2006-01-24 Richard Henderson <rth@redhat.com>
14626 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14627 update all callers.
14629 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14631 PR rtl-optimization/25890
14632 PR rtl-optimization/25905
14633 * combine.c (expand_compound_operation, expand_field_assignment):
14634 Fail if the bitfield's final position is out of bounds.
14636 2006-01-24 Ian Lance Taylor <ian@airs.com>
14638 PR middle-end/25930
14639 * cgraphunit.c (cgraph_output_in_order): Don't clear
14640 cgraph_asm_nodes until after asm strings have been output.
14642 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14644 * fix-header.c (read_scan_file): Add new parameter imultilib when
14645 calling register_include_chains.
14647 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14649 * omp-low.c: Update documentation.
14651 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14652 Daniel Berlin <dberlin@dberlin.org>
14656 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14657 return from the function.
14659 2006-01-22 Zack Weinberg <zackw@panix.com>
14661 * rtl.def (match_code): Add second argument.
14662 * genpreds.c (write_extract_subexp): New function.
14663 (write_match_code): Add path argument. Use write_extract_subexp.
14664 (write_predicate_expr): Pass path to write_match_code.
14665 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14666 not perform a mode test.
14667 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14668 a subexpression does not constrain the top-level code set.
14669 * read-rtl.c (read_rtx_variadic): New function.
14670 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14671 * doc/md.texi: Document new notation.
14672 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14673 (cmpsi_operand): ... here, using new notation.
14675 2006-01-22 Zack Weinberg <zackw@panix.com>
14677 * varray.c: Remove GENERATOR_FILE #ifdefs.
14679 2006-01-22 Zack Weinberg <zackw@panix.com>
14681 * genautomata.c (output_reserved_units_table): Emit nothing if
14682 description->query_units_num is zero. Remove extra blank line.
14683 (output_cpu_unit_reservation_p): Short circuit
14684 if description->query_units_num is zero.
14686 2006-01-22 Zack Weinberg <zackw@panix.com>
14688 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14689 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14690 nor any of the random handful of variables that used to be necessary
14691 when this program was linked with rtlanal.o. Prune set of forward
14692 function declarations.
14693 (struct attr_desc): Remove static_p field.
14694 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14695 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14696 (attr_string): Do not read the character one past the length of
14698 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14699 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14700 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14701 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14702 (make_automaton_attrs): New.
14703 (main): Do not call into genautomata. Call local gen_bypass
14704 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14705 Remove special case for insn_alts.
14706 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14707 varray.h (leftover from previous change). Prune set of forward
14708 function declarations. Remove state_alts fields from all
14709 structures. Remove state_alts_table from struct automaton.
14710 Make everything except main static. Do not maintain num_dfa_decls.
14711 Do not maintain state_alts fields of various structures.
14712 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14713 (add_arc): Remove state_alts argument. All callers updated.
14714 (output_reserved_units_table): Emit #ifdef here...
14715 (output_tables): ...not here. Don't generate state_alts tables.
14716 (expand_automata): Don't generate attributes.
14717 (write_automata): Don't generate state_alts functions.
14718 (main): New function.
14719 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14720 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14721 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14722 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14723 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14724 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14725 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14726 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14728 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14729 * genattrtab.h: Delete file.
14730 * Makefile.in (OBJS-common): Add insn-automata.o.
14731 (insn-automata.o): New rule.
14732 (simple_generated_c): Add insn-automata.c.
14733 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14734 (genprogmd): Add automata.
14735 (build/genattrtab): Needs no extra objects nor libraries.
14736 (build/genautomata): Needs build/vec.o and -lm.
14738 2006-01-22 Zack Weinberg <zackw@panix.com>
14740 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14741 (output_dfa_max_issue_rate, locked_states_num): Delete.
14742 (struct automaton): Add locked_states field.
14743 (output_dead_lock_vect): Save number of locked states in
14744 automaton->locked_states. If it is zero, don't print anything.
14745 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14746 (output_internal_dead_lock_func): Only test the dead_lock_vect
14747 for automata that have locked states.
14748 (output_statistics): Always print the number of locked states for
14749 each automaton. Calculate total number of locked states here.
14750 (write_automata): Don't call output_dfa_max_issue_rate.
14751 * genattrtab.c: Define length_unit_log as a const variable.
14752 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14753 max_insn_queue_index const.
14754 * final.c (length_unit_log): Declare const.
14755 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14757 2006-01-22 Zack Weinberg <zackw@panix.com>
14759 * genautomata.c: Include vec.h, not varray.h.
14760 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14761 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14762 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14763 VEC_* macros operating on appropriately typed vectors, or to
14764 malloced arrays when the size is known in advance. Const-ify
14765 many char* variables and function arguments. No functional changes.
14766 * Makefile.in (build/varray.o): Delete rule.
14767 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14768 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14770 2006-01-22 Zack Weinberg <zackw@panix.com>
14772 * gensupport.c: Define get_insn_name and record_insn_name here.
14773 (read_md_rtx): Call record_insn_name as appropriate.
14774 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14775 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14776 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14778 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14779 (BUILD_VARRAY): Delete.
14780 (genprognormal): Rename genprogmd. Fold in all programs from
14781 genprognoprint; also attrtab.
14782 (build/genattrtab): Just mention genautomata.o and varray.o.
14783 Reorganize a bit, add comments to make the categories clearer.
14785 2006-01-22 Zack Weinberg <zackw@panix.com>
14787 * genconditions.c (condition_table, add_condition): Delete.
14788 (write_conditions): Don't emit n_insn_conditions nor
14789 insn_elision_unavailable. Issue the gcc version #ifdef here,
14790 inside the table, with no #else clause ...
14791 (write_header): ...not here.
14792 (write_writer): New function.
14793 (main): Don't initialize condition_table. Use add_c_test.
14795 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14796 files on the command line.
14797 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14798 Return -1 if there is no entry in the table, don't abort.
14799 (add_c_test, traverse_c_tests): New functions.
14800 * gensupport.h (insn_elision_unavailable, insn_conditions)
14801 (n_insn_conditions): Delete declarations.
14802 (add_c_test, traverse_c_tests): Declare.
14803 * read-rtl.c: Include gensupport.h.
14804 (read_conditions): New function.
14805 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14806 (read_rtx_1): If we get EOF when we were looking for an initial
14807 open paren, return 0. Call read_conditions when appropriate.
14808 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14809 dummy-conditions.o. Eliminate references to insn-conditions.o,
14810 or change them to build/gencondmd.o, as appropriate. Remove
14811 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14812 from $(simple_generated_c). For all files remaining in those
14813 two lists, add insn-conditions.md to the generator command line.
14814 Give insn-constants.h/s-constants their own rules. Add rules
14815 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14816 (build/read-rtl.o): Depend on gensupport.h.
14817 (genprognormal): Include preds.
14818 (genprogearly): Rename genprognoprint; only difference is now that
14819 they don't link with $(BUILD_PRINT).
14820 * dummy-conditions.c: Delete.
14822 2006-01-22 Zack Weinberg <zackw@panix.com>
14824 * genextract.c: Don't include insn-config.h. Do include vec.h.
14825 Declare vectors of int, char, and locstr.
14826 (locstr): New typedef.
14827 (struct extraction): Make all array fields into bare pointers.
14828 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14829 (insn_code_number): Delete.
14830 (accum_extract): New struct.
14831 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14832 (gen_insn): Take insn_code_number as an argument. Use an
14833 accum_extract structure instead of loading data directly into
14834 a struct extraction, and having to know how big it might get.
14835 (walk_rtx): Operate entirely on an accum_extract structure.
14836 (print_path): Avoid unnecessary use of printf.
14837 (print_header): New function, split out of main. Distinguish
14838 more carefully between an unrecognizable insn and an insn that
14839 has the code number of a define_expand.
14840 (main): Pass insn_code_number to gen_insn. Call print_header
14841 only after parsing. Avoid unnecessary use of printf.
14842 * Makefile.in (build/vec.o): New rule.
14843 (build/genextract): Depend on build/vec.o.
14844 (build/genextract.o): Don't depend on insn-config.h.
14846 2006-01-22 Zack Weinberg <zackw@panix.com>
14848 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14849 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14850 practical. Eliminate per-generator-program link rules.
14852 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14854 PR middle-end/24437
14855 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14856 with a call expr to ...
14857 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14859 2006-01-23 Richard Guenther <rguenther@suse.de>
14861 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14862 before make_edge with conditional EDGE_TRUE_VALUE.
14864 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14865 Jan Hubicka <jh@suse.cz>
14866 Richard Guenther <rguenther@suse.de>
14868 PR rtl-optimization/25654
14869 * cfgexpand.c (aggregate_contains_union_type): New function.
14870 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14871 for structure variables that contain a union type.
14873 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14875 * gengtype.c (new_structure): Return the structure.
14876 (create_option): Add an extra "next" argument.
14877 (create_field): New function.
14878 (adjust_field_rtx_def): Use create_option and create_field.
14879 Remove a now-unnecessary call to find_structure.
14880 (adjust_field_tree_def): Likewise.
14881 (note_yacc_type): Remove an unnecessary call to find_structure.
14882 * gengtype.h (new_structure): Return the structure.
14883 (create_option): Add an extra argument.
14884 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14885 (option): Adjust calls to create_option.
14887 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14889 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14891 2006-01-22 Paul Brook <paul@codesourcery.com>
14892 Peter Barada <peter@the-baradas.com>
14894 * config/m68k/m68k.md: Add Coldfire FPU support.
14895 Define FP mode macro and associated attributes.
14896 Use it for float mode patterns.
14897 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14898 (LIBCALL_VALUE): Use m68k_libcall_value.
14899 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14900 (m68k_function_value): Ditto.
14901 (emit_move_sequence): Ditto.
14902 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14903 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14904 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14905 (MULTILIB_EXCEPTIONS): Ditto.
14906 * config/m68k/m68k.opt: Add mcfv4e.
14907 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14908 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14909 (m68k_output_function_prologue): Save ColdFire FPU registers.
14910 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14911 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14912 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14913 ColdFire FPU registers.
14914 (m68k_libcall_value, m68k_function_value): New functions.
14915 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14916 (LIBCALL_VALUE): Use m68k_libcall_value.
14917 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14918 (MASK_COLDFIRE): Add MASK_CFV4E.
14919 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14920 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14921 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14922 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14923 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14924 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14925 * doc/invoke.tex: Document -mcfv4e on m68k.
14927 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14929 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14932 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14935 * c-opts.c (c_common_handle_option): Don't include
14936 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14937 * doc/invoke.texi (C++ Dialect Options): Document that
14938 -Wnon-virtual-dtor is no longer included in -Wall.
14940 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14942 * gcov.c (print_version), gcov-dump.c (print_version),
14943 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14946 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14948 * df-scan.c (problem_SCAN): Added NULL reset function.
14949 (df_scan_reset_blocks): Added code to call reset block function
14950 (df_bb_refs_delete) Fixed comment.
14951 (df_insn_refs_delete): Made tolerant of deleting non existent info
14952 for dataflow problems that need to be reset.
14953 * df-core.c (df_set_blocks): Ditto.
14954 * df.h (struct df_problem): Added reset_fun.
14955 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14956 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14957 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14958 functions to clear out all references to def-use or use-def chains.
14960 2006-01-21 Ben Elliston <bje@au.ibm.com>
14962 * varasm.c (assemble_real): Initialise data array.
14964 2006-01-20 Paul Brook <paul@codesourcery.com>
14966 Merge from csl-arm-branch.
14967 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14968 * config/arm/arm.md (movdi): Force operands[1] to a register
14969 if we have a non-register source.
14970 (*arm_movdi, *movdf_soft_insn): Require that one of the
14971 operands be a register.
14972 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14973 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14975 2006-01-20 DJ Delorie <dj@redhat.com>
14977 * varasm.c (initializer_constant_valid_p): Allow pointers
14978 initialized from integer constants of lesser precision.
14979 (output_constant): Allow non-int-sized pointer modes to be
14980 initialized from integer constants.
14982 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14985 * cppdefault.h (struct default_include): Add multilib flag.
14986 * cppdefault.c (cpp_include_defaults): Set it.
14987 * c.opt (-imultilib): New option.
14988 * c-opts.c (imultilib): New.
14989 (c_common_handle_option): Handle -imultilib.
14990 (c_common_post_options): Likewise.
14991 * c-incpath.c (add_standard_paths, register_include_chains):
14993 * c-incpath.h (register_include_chains): Add extra parameter.
14994 * gcc.c (do_spec_1): Generate -imultilib option.
14995 (The Specs Language): Update %I description.
14996 (process_command): Update copyright notice.
14997 * doc/cppopts.texi (-imultilib): Document.
14998 * doc/invoke.texi (-imultilib): Include in option summary.
14999 (%I): Update specs documentation.
15001 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15003 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15005 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15007 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15010 2006-01-20 Richard Guenther <rguenther@suse.de>
15011 Steven Bosscher <stevenb.gcc@gmail.com>
15013 PR rtl-optimization/24626
15014 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15015 EDGE_TRUE_VALUE if in RTL mode.
15018 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15019 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15021 2006-01-20 Dirk Mueller <dmueller@suse.com>
15024 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15025 instead of a special NOP marker.
15026 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15027 NOP marker handling.
15028 * c-common.h (empty_body_warning): Add forward declaration.
15029 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15030 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15032 2006-01-20 Paul Brook <paul@codesourcery.com>
15034 * Makefile.in (lang_checks): Keep going if mkdir fails.
15036 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15038 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15039 be able to clean out basic block when not necessary.
15040 (df_scan_free): Fixed to properly delete information if df is
15041 unused before calling df_finish.
15042 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15043 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15045 (df_bb_refs_delete): New function.
15046 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15047 * df-core.c (df_set_blocks): Added code to properly clean out
15048 unused blocks if they are not part of the blocks to consider.
15049 Added additional null check.
15050 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15051 be able to clean out basic block when not necessary
15052 * df.h (df_free_bb_function): Ditto.
15053 (df_bb_refs_delete): New function.
15054 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15055 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15056 basic block parameter to be able to clean out basic block when not
15058 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15059 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15060 Fixed to properly delete information if df is unused before
15063 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15065 PR rtl-optimization/25799
15066 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15067 Corrected confluence operator to remove bits from op2 before oring
15068 with op1 rather than removing bits from op1.
15069 (df_ru_transfer_function): Corrected test on wrong bitmap which
15070 caused infinite loop. Both of these problems were introduced in
15071 the dataflow rewrite.
15073 2006-01-19 DJ Delorie <dj@redhat.com>
15075 * reload1.c (find_reload_regs): Note the details of reload
15076 failures in the dump file.
15077 (spill_failure): Likewise.
15079 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15081 * loop-iv.c: Include df.h and hashtab.h.
15082 (enum iv_grd_result): New enum.
15083 (DF_REF_IV, DF_REF_IV_SET): New macros.
15084 (struct biv_entry): New.
15085 (df, bivs): New global variables.
15086 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15087 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15089 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15090 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15091 analyzed_for_bivness_p, record_biv): New functions.
15092 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15093 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15094 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15096 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15098 (iv_number_of_iterations): Use new interface to iv analysis.
15099 * loop-unroll.c: Do not include varray.h.
15100 (analyze_iv_to_split_insn): Use new interface to iv
15102 * loop-unswitch.c (may_unswitch_on): Ditto.
15103 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15105 (df_bb_modify): Realloc tables to the new index.
15106 (df_find_use): New function.
15107 * df.h (df_find_use): Declare.
15108 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15110 * cfgloop.h (struct rtx_iv): Remove analysed field.
15111 (iv_get_reaching_def): Removed.
15112 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15113 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15114 (loop-iv.o): Add df.h and hashtab.h dependency.
15115 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15117 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15120 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15122 (__floatundisf, __floatundidf): Likewise.
15123 * libgcc2.h (IS_IBM_EXTENDED): Define.
15125 2006-01-19 DJ Delorie <dj@redhat.com>
15127 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15129 2006-01-19 Paul Brook <paul@codesourcery.com>
15131 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15132 as nothrow when unwinding tables are disabled.
15134 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15137 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15138 of bit-field" when in system header.
15140 2006-01-19 DJ Delorie <dj@redhat.com>
15142 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15143 the 16 bit shift limit of the m16c.
15145 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15148 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15149 * config/i386/i386.c (output_set_got): Output the label if we have one
15150 for the TARGET_DEEP_BRANCH_PREDICTION case.
15152 2006-01-19 Jan Hubicka <jh@suse.cz>
15153 H.J. Lu <hongjiu.lu@intel.com>
15154 Evandro Menezes <evandro.menezes@amd.com>
15156 * invoke.texi (generic): Document
15158 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15159 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15160 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15161 (x86_use_incdec, x86_pad_returns): New variables
15162 (TARGET_CPU_DEFAULT_generic): New constant
15163 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15164 (enum processor_type): Add generic32 and generic64.
15165 * i386.md (cpu attribute): Add generic32/generic64
15166 (movhi splitter): Behave sanely when both partial_reg_dependency and
15167 partial_reg_stall are set.
15168 (K8 splitters): Enable for generic as well.
15169 * predicates.md (incdec_operand): Use TARGET_INCDEC
15170 (aligned_operand): Avoid memory mismatch stalls.
15171 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15172 * ppro.md: Enable for generic32
15173 * i386.c (generic64_cost, generic32_cost): New.
15174 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15175 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15176 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15177 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15178 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15179 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15180 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15181 x86_accumulate_outgoing_args, x86_prologue_using_move,
15182 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15183 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15184 Enable for generic.
15185 (x86_use_incdec, x86_pad_returns): New.
15186 (override_options): Add generic32 and generic64, translate "generic"
15187 to generic32/generic64 and "i686" to "generic32", refuse
15188 "generic32"/"generic64" as arch target.
15189 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15190 (ix86_reorg): Honor PAD_RETURNS.
15192 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15194 * tree-pretty-print.c (dump_generic_node): Handle
15195 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15196 * cgraph.c (cgraph_expand_queue): Rename from
15197 cgraph_analyze_queue. Update all users.
15198 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15199 cgraph_expand_queue.
15200 (cgraph_expand_all_functions): Likewise.
15201 (cgraph_finalize_pending_functions): Remove. Update callers.
15203 * tree.h (OMP_DIRECTIVE_P): Define.
15204 (OMP_PARALLEL_FN): Define.
15205 (OMP_PARALLEL_DATA_ARG): Define.
15206 (OMP_SECTIONS_SECTIONS): Define.
15207 * tree-pass.h (pass_expand_omp): Declare.
15208 * omp-low.c (struct omp_region): Declare.
15209 (struct omp_context): Remove fields 'parallel_type',
15210 'parallel_start_ix' and 'parallel_start_additional_args'.
15212 (struct omp_for_data): Rename from struct expand_omp_for_data.
15213 (omp_regions): New static variable.
15214 (root_omp_region): New static variable.
15215 (find_omp_clause): Make static.
15216 (is_in_combined_parallel_ctx): Remove.
15217 (is_combined_parallel): New.
15218 (extract_omp_for_data): Move earlier in the file.
15219 (workshare_safe_to_combine_p): New.
15220 (get_ws_args_for): New.
15221 (determine_parallel_type): Move earlier in the file.
15222 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15224 (omp_copy_decl): Likewise.
15225 (create_omp_child_function): Likewise.
15226 (lookup_omp_region): New.
15227 (dump_omp_region): New.
15228 (debug_omp_region): New.
15229 (debug_all_omp_regions): New.
15230 (new_omp_region): New.
15231 (scan_omp_parallel): If parallel_nesting_level > 1, the
15232 directive is nested within another parallel directive.
15233 Set OMP_PARALLEL_FN.
15234 (scan_omp_for): Do not try to handle combined parallel+for
15236 Remove FIXME comment.
15237 (scan_omp_nested): Remove.
15238 (scan_omp_1): Do not call scan_omp_nested when
15239 parallel_nesting_level is > 1.
15240 Do not change the DECL_CONTEXT of local variables found.
15241 (lookup_decl_in_outer_ctx): New.
15242 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15243 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15244 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15245 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15246 If CTX is nested, lookup VAR in the outer context when
15247 building copy assignment.
15248 (lower_send_clauses): Rename from expand_send_clauses.
15249 If CTX is nested, lookup VAR in the outer context when
15250 building copy assignments.
15251 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15252 If CTX is nested, lookup VAR in the outer context when
15253 building copy assignments.
15254 (expand_parallel_call): Rename from build_parallel_call.
15255 Handle combined parallel+workshare cases.
15256 Re-implement to emit code into the CFG.
15258 (expand_omp_parallel): Re-implement to emit code into the CFG.
15259 Call move_sese_region_to_fn to outline the sub-graph
15260 containing the parallel region.
15261 (expand_omp_for_1): Remove.
15262 (expand_omp_for_generic): Re-implement to emit code into the
15264 (expand_omp_for_static_nochunk): Likewise.
15265 (expand_omp_for_static_chunk): Likewise.
15266 (expand_omp_for): Likewise.
15267 (expand_omp_sections): Likewise.
15268 (remove_exit_barriers): New.
15269 (expand_omp_synch): New.
15271 (build_omp_regions_1): New.
15272 (build_omp_regions): New.
15273 (execute_expand_omp): New.
15274 (gate_expand_omp): New.
15275 (pass_expand_omp): Define.
15276 (lower_omp_sections): Rename from expand_omp_sections.
15277 Set OMP_SECTIONS_SECTIONS.
15278 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15279 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15280 (lower_omp_single): Rename from expand_omp_simple.
15281 (lower_omp_master): Rename from expand_omp_master.
15282 (lower_omp_ordered): Rename from expand_omp_ordered.
15283 (lower_omp_critical): Rename from expand_omp_critical.
15284 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15285 (lower_omp_for): Re-implement.
15286 (lower_omp_parallel): Re-implement.
15287 (lower_regimplify): Rename from expand_regimplify.
15288 (lower_omp_1): Rename from expand_omp_1.
15289 If there are syntax errors in the program, replace every
15290 OpenMP directive with NOP.
15291 Call lower_omp_* instead of expand_omp_*.
15292 (lower_omp): Rename from expand_omp.
15294 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15295 * tree-gimple.h (enum omp_parallel_type): Remove.
15296 (gimple_boolify): Declare extern.
15297 (find_omp_clause, determine_parallel_type): Remove.
15299 * gimple-low.c (lower_omp_directive): New.
15300 (lower_stmt): Call it.
15301 (record_vars_into): Move from ...
15302 (record_vars): ... here.
15303 Call record_vars_into with current_function_decl.
15305 * gimplify.c (struct gimplify_ctx): Remove fields
15306 combined_pre_p and combined_ctxp. Update users.
15307 (get_formal_tmp_var): Add documentation.
15308 (gimple_boolify): Make extern.
15309 (gimplify_expr_in_ctx): Remove. Update callers.
15310 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15311 will always be a BIND_EXPR.
15312 (gimplify_expr): Handle OMP_RETURN_EXPR.
15313 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15314 (OMP_PARALLEL): Add 3 operands.
15315 (OMP_SECTIONS): Add 1 operand.
15316 (OMP_RETURN_EXPR): Define.
15318 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15319 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15320 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15321 creating a circular free list.
15322 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15324 * tree-flow.h (move_sese_region_to_fn): Declare.
15325 (record_vars_into): Declare.
15326 * tree-cfg.c (make_omp_sections_edges): New.
15327 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15328 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15329 OMP_SECTIONS and OMP_SECTION.
15330 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15331 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15332 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15333 (gather_blocks_in_sese_region): New.
15334 (struct move_stmt_d): Declare.
15335 (move_stmt_r): New.
15336 (move_block_to_fn): New.
15337 (move_sese_region_to_fn): New.
15339 * passes.c (init_optimization_passes): Schedule
15340 pass_expand_omp after pass_init_datastructures.
15342 * tree-ssa-operands.c (get_expr_operands): Handle
15343 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15344 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15346 2006-01-19 Jeff Law <law@redhat.com>
15348 * tree-vrp.c (extract_range_from_assert): Refine the result range
15349 if the variable referenced by the ASSERT_EXPR has a range and
15350 either the tentative result range or the previous range is a
15353 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15355 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15357 2006-01-19 Jan Hubicka <jh@suse.cz>
15359 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15361 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15363 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15364 (expand_compound_operation, expand_field_assignment): Fail if the
15365 bit lengths of an extract operation are out of range.
15366 (make_extraction): Compute wanted_inner_mode based on the position
15367 and length of the extraction. Make it extraction_mode for non-constant
15368 positions, and do not modify offset in that case. When generating a
15369 new MEM, use a mode that can hold the extraction while keeping correct
15370 alignment. Remove code that supported MEMs wrapped by USEs.
15371 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15373 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15375 * config/s390/s390.md ("Y", "y"): New mode attribute.
15376 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15377 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15378 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15379 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15380 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15381 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15382 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15383 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15384 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15385 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15386 "addsi3", "subsi3"): Insn patterns removed.
15387 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15388 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15389 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15390 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15391 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15392 "*sub<mode>3_cconly2"): New insn patterns.
15393 ("addsi3", "subsi3"): New expanders.
15395 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15397 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15398 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15399 existing STMT_VINFO_VECTYPE if available.
15400 (vect_mark_relevant): Add special handling for stmts that are
15401 marked as STMT_VINFO_IN_PATTERN_P.
15402 (vect_analyze_loop): Call vect_pattern_recog.
15403 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15404 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15406 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15407 (vect_recog_func_ptr): New function-pointer type.
15408 * tree-vect-patterns.c: New file.
15409 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15410 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15411 (vect_pattern_recog_1): New functions.
15412 (vect_pattern_recog_funcs): New array of function pointers.
15414 * tree-vectorizer.h (ternary_op): New enum value.
15415 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15416 declaration. Revised documentation. Removed redundant dump prints.
15417 Removed redundant argument. Added support for reduction patterns.
15418 (vectorizable_reduction): Added support for reduction patterns.
15419 (vect_transform_stmt): Added support for patterns.
15421 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15422 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15423 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15424 (expand_widen_pattern_expr): New function.
15425 (init_optabs): Initialize new optabs udot_prod_optab,
15427 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15428 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15429 (expand_widen_pattern_expr): New function declaration.
15430 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15432 * tree-inline.c (estimate_num_insns_1): Added cases for new
15433 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15434 * tree-pretty-print.c (dump_generic_node): Likewise.
15435 (op_prio): Likewise.
15436 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15437 * tree-ssa-operands.c (get_expr_operands): Added case for
15439 * tree-vect-patterns.c (widened_name_p): New function.
15440 (vect_recog_dot_prod_pattern): Added function implementation.
15441 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15442 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15443 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15444 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15446 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15447 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15448 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15449 (init_optabs): Initialize new optabs widen_ssum_optab,
15451 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15452 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15453 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15454 use instead of type of def.
15455 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15456 function implementation.
15457 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15458 widen_ssumv8hi): New.
15460 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15463 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15466 * c-decl.c (add_flexible_array_elts_to_size): New function.
15467 (finish_decl): Use it.
15469 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15471 * diagnostic.h: Include options.h.
15472 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15473 dependancies for diagnostic.h.
15474 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15476 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15478 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15479 (ssa_ro_call_cache_valid): Ditto.
15480 * tree-ssa-alias.c (sort_tags_by_id): New function.
15481 (init_transitive_clobber_worklist): Ditto.
15482 (add_to_worklist): Ditto.
15483 (mark_aliases_call_clobbered): Ditto.
15484 (compute_tag_properties): Ditto.
15485 (set_initial_properties): Ditto.
15486 (compute_call_clobbered): Ditto.
15487 (compute_may_aliases): Call compute_call_clobbered and grouping.
15488 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15489 (compute_flow_insensitive_aliasing): Grouping now happens in our
15491 (setup_pointers_and_addressables): Remove clobbering related code.
15492 (add_may_alias): Ditto.
15493 (replace_may_alias): Ditto.
15494 (get_nmt_for): Ditto.
15495 (create_global_var):
15496 (is_escape_site): Return an escape_type enumeration.
15497 * tree-flow-inline.h (is_call_clobbered): Global var does not
15498 imply call clobbered.
15499 (mark_call_clobbered): Take a reason for marking this. Remove
15500 marking of globalness, and cache invalidation.
15501 (clear_call_clobbered): Remove cache invalidation code.
15502 * tree-dfa.c (dump_variable): If details is on, dump the reason
15504 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15506 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15507 (struct var_ann_d): Ditto.
15508 (enum escape_type): New.
15509 (mark_call_clobbered): Adjust prototype.
15510 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15511 are never call clobbered.
15512 Record reasons for escaping.
15513 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15514 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15515 (ssa_ro_call_cache_valid): Ditto.
15516 (clobbered_v_may_defs): Ditto.
15517 (clobbered_vuses): Ditto.
15518 (ro_call_vuses): Ditto.
15519 (clobber_stats): New.
15520 (init_ssa_operands): Zero out clobber stats.
15521 (fini_ssa_operands): Print out clobber stats.
15522 (get_call_expr_operands): Pass callee fndecl to
15523 add_call_read_ops).
15524 (add_call_clobber_ops): Remove use of cache.
15525 Add use of PURE_CONST information.
15526 (add_call_read_ops): Remove use of cache.
15527 Add use of static not_read information.
15529 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15531 Introduce TLS descriptors for i386 and x86_64.
15532 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15533 (TARGET_ANY_GNU_TLS): New macro.
15534 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15535 (struct machine_function): Add tls_descriptor_call_expanded_p.
15536 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15537 (ix86_current_function_calls_tls_descriptor): Likewise.
15538 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15539 (override_options): Introduce gnu2 tls dialect.
15540 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15542 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15544 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15545 (ix86_init_machine_status): Initialize new field.
15546 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15547 (ix86_tls_module_base): New.
15548 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15549 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15550 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15551 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15552 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15553 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15554 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15555 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15556 * config/i386/predicates.md (tls_modbase_operand): New.
15557 (tp_or_register_operand): New.
15559 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15561 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15562 (look_for_address_of): Ditto.
15563 (ipa_init): Walk the function decls.
15564 (static_execute): Don't set readonly on FUNCTION_DECL's.
15566 2006-01-18 Roger Sayle <roger@eyesopen.com>
15568 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15569 for shifts where the source and destination registers are different.
15571 2006-01-18 Paul Brook <paul@codesourcery.com>
15573 Merge from csl-arm-branch.
15574 2005-03-14 Julian Brown <julian@codesourcery.com>
15575 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15576 (aeabi_llsl): Likewise.
15577 (ashrdi3): Likewise.
15578 (aeabi_lasr): Likewise.
15579 (lshrdi3): Likewise.
15580 (aeabi_llsr): Likewise.
15581 2005-03-10 Julian Brown <julian@codesourcery.com>
15582 * config.gcc: Disable shared libgcc for SymbianOS.
15583 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15585 2006-01-18 DJ Delorie <dj@redhat.com>
15587 * c-pragma.c (handle_pragma_diagnostic): New.
15588 (init_pragma): Register it.
15589 * doc/extend.texi: Document it.
15591 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15592 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15593 (diagnostic_context): Add classify_diagnostic[].
15594 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15595 as errors if they're overridden to DK_WARNING.
15596 (diagnostic_initialize): Initialize classify_diagnostic[].
15597 (diagnostic_set_kind_override): New.
15598 (diagnostic_report_diagnostic): Check for kind changes.
15599 * opts.c (common_handle_option): Take lang_mask. Update callers.
15600 Handle OPT_Werror_.
15601 * common.opt (Werror=): New.
15602 * doc/invoke.texi: Document -Werror=*
15604 2006-01-18 Jeff Law <law@redhat.com>
15606 * tree-vrp.c (test_for_singularity): Correct test for new
15607 min limit. Use operand_equal_p rather than pointer equality
15608 for testing if new min/max values are equal.
15610 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15611 using range information until after propagation and folding.
15613 2006-01-18 Richard Henderson <rth@redhat.com>
15614 Aldy Hernandez <aldyh@redhat.com>
15615 Jakub Jelinek <jakub@redhat.com>
15616 Diego Novillo <dnovillo@redhat.com>
15618 * omp-low.c: New file.
15619 * c-omp.c: New file.
15621 2006-01-18 Richard Henderson <rth@redhat.com>
15622 Jakub Jelinek <jakub@redhat.com>
15623 Diego Novillo <dnovillo@redhat.com>
15625 * doc/invoke.texi: Document -fopenmp.
15626 * tree-dump.h (debug_function): Declare.
15627 * hooks.c (hook_bool_tree_bool_false): New function.
15628 (hook_tree_tree_null): Remove.
15629 (hook_tree_tree_tree_null): New.
15630 * hooks.h: Update to match.
15631 * tree-pretty-print.c (debug_tree_chain): New.
15632 (print_generic_expr): Handle TDF_CHAIN.
15633 (dump_generic_node): Handle BLOCK.
15634 Do not abort with incomplete SWITCH_EXPRs.
15635 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15636 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15637 print space after directive name.
15638 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15639 Handle OMP_MASTER and OMP_ORDERED.
15640 Handle printing of OMP_BODY just in one place, goto
15641 dump_omp_body in the rest of OMP_* nodes that have
15643 Don't handle clause nodes here. Update omp statements to
15644 use dump_omp_clauses.
15645 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15646 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15647 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15648 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15649 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15650 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15651 Adjust output for GOMP_PARALLEL.
15652 (dump_omp_clauses): New.
15653 (print_declaration): Dump DECL_VALUE_EXPR.
15654 (op_symbol_1): Split out of op_symbol.
15655 (dumping_stmts): Remove. Update all users.
15656 * cgraph.c (cgraph_analyze_queue): New.
15657 (cgraph_add_new_function): New.
15658 * cgraph.h (cgraph_analyze_queue): Declare.
15659 (cgraph_add_new_function): Declare.
15660 (cgraph_lower_function): Remove.
15661 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15662 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15663 and TYPE_P nodes in its default clause.
15664 (empty_body_p): New.
15665 (tree_range_check_failed): New.
15666 (build5_stat): New.
15667 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15668 OMP_CLAUSE_REDUCTION_MERGE,
15669 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15670 OMP_CLAUSE_PRIVATE_DEBUG,
15671 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15672 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15673 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15674 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15675 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15676 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15677 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15678 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15679 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15680 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15681 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15682 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15683 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15684 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15685 (TREE_RANGE_CHECK): New.
15686 (empty_body_p): Declare.
15687 (enum omp_clause_default_kind): New.
15688 (build_string_literal): Declare.
15689 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15690 (build5_stat, build5): Declare.
15691 * tree-pass.h (TDF_CHAIN): Define.
15692 * tree-pass.h (PROP_gimple_lomp): Define.
15693 (pass_lower_omp): Declare.
15694 * diagnostic.h (debug_tree_chain): Declare.
15695 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15697 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15698 * builtins.c (build_string_literal): Make extern.
15699 * gcc.c (include_spec_function): New.
15700 (static_spec_functions): Add it.
15701 (main): Move load of libgomp.spec ...
15702 (LINK_COMMAND_SPEC): ... here.
15703 (link_gomp_spec): New.
15704 (static_specs): Include it.
15705 (LINK_COMMAND_SPEC): Add link_gomp.
15706 (GOMP_SELF_SPECS): New.
15707 (driver_self_specs): Include it.
15708 (switch_matches): Don't mark inline.
15709 (main): Load libgomp.spec.
15710 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15711 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15712 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15713 * tree-gimple.h (enum omp_parallel): Declare.
15714 (determine_parallel_type): Declare.
15715 (omp_firstprivatize_variable): Declare.
15716 (omp_reduction_init): Declare.
15717 (diagnose_omp_structured_block_errors): Declare.
15718 (struct walk_stmt_info): Add want_return_expr.
15719 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15720 (find_omp_clause): Declare.
15721 (insert_field_into_struct): Declare.
15722 (struct walk_stmt_info): Move from tree-nested.c
15723 (walk_stmts): Declare.
15724 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15726 * cgraphunit.c (cgraph_lower_function): Make static.
15727 (cgraph_finalize_pending_functions): New.
15728 (cgraph_finalize_function): Call it.
15729 (cgraph_finalize_compilation_unit): Likewise.
15730 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15731 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15732 (BT_FN_UINT_UINT): New.
15733 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15734 DEF_FUNCTION_TYPE_VAR_4): Document.
15735 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15736 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15737 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15738 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15739 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15740 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15741 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15742 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15743 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15744 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15745 into separate files.
15746 (DEF_GOMP_BUILTIN): New.
15747 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15748 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15749 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15750 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15751 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15752 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15753 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15754 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15755 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15756 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15757 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15758 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15759 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15760 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15761 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15762 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15763 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15764 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15765 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15766 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15767 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15768 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15769 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15770 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15771 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15772 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15773 * sync-builtins.def: New file, moved from builtins.def.
15774 * omp-builtins.def: New file, moved from builtins.def.
15775 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15776 * gimple-low.c (lower_function_body): Clear data.
15777 (lower_stmt): Do not handle COMPOUND_EXPR.
15778 Remove call to print_node_brief.
15779 * c-tree.h (c_finish_omp_clauses): New prototype.
15780 (C_DECL_THREADPRIVATE_P): Define.
15781 (lookup_name_no_remap, c_omp_remap_private): Remove
15782 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15783 (check_for_loop_decls): Update decl.
15784 (lookup_name_no_remap, c_omp_remap_private): Declare.
15785 (build_indirect_ref, build_modify_expr, pushdecl,
15786 pushdecl_top_level): Move to c-common.h.
15787 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15788 before the switch, but just in the 2 places that need it.
15789 * c-decl.c (diagnose_mismatched_decls): Do not check for
15790 mismatched thread-local attributes when OLDDECL is marked
15791 threadprivate and NEWDECL has no thread-local attributes.
15792 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15793 (c_gimple_diagnostics_recursively): Rename from
15794 c_warn_unused_result_recursively. Invoke
15795 diagnose_omp_structured_block_errors.
15796 (check_for_loop_decls): Return a singular decl found.
15797 * langhooks.c (lhd_omp_predetermined_sharing): Return
15798 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15799 (lhd_omp_firstprivatize_type_sizes): New.
15800 (lhd_omp_assignment): New.
15801 (lhd_omp_predetermined_sharing): New.
15802 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15803 (struct lang_hooks_for_types): Add
15804 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15805 omp_predetermined_sharing, omp_disregard_value_expr,
15806 omp_private_debug_clause, omp_clause_default_ctor,
15807 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15808 (c_finish_omp_clauses): New.
15809 (c_finish_bc_stmt): Diagnose break within omp for.
15810 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15811 (build_unary_op): Return error_mark after reporting
15813 (build_modify_expr): Likewise.
15814 * gimplify.c: Include optabs.h and pointer-set.h.
15815 (enum gimplify_omp_var_data): Declare.
15816 (struct gimplify_omp_ctx): Declare.
15817 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15819 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15820 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15821 (splay_tree_compare_decl_uid): New.
15822 (new_omp_context): New.
15823 (delete_omp_context): New.
15824 (gimple_add_tmp_var): Call omp_add_variable.
15825 (gimplify_bind_expr): Likewise.
15826 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15827 true, disregard DECL_VALUE_EXPR on the decl if any.
15828 (gimplify_expr_in_ctx): New.
15829 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15830 omp_add_variable, omp_notice_variable, omp_is_private
15831 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15832 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15833 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15834 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15835 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15836 gimplify_omp_atomic): New.
15837 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15838 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15839 OMP_CRITICAL and OMP_ATOMIC.
15840 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15841 * c-pragma.h (enum pragma_kind): Add
15842 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15843 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15844 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15845 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15846 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15847 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15848 PRAGMA_OMP_THREADPRIVATE.
15849 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15850 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15851 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15852 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15853 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15854 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15855 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15856 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15857 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15858 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15859 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15860 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15861 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15863 (struct nesting_info): Add field_map,
15864 suppress_expansion, debug_var_chain.
15865 (create_nesting_tree): Initialize them.
15866 (lookup_field_for_decl): Use field_map.
15867 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15868 (convert_local_omp_clauses): New.
15869 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15870 (walk_body): Split out of walk_function.
15871 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15872 (convert_nonlocal_reference): Handle omp statements.
15873 (convert_local_reference): Likewise.
15874 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15875 (unnest_nesting_tree): New.
15876 (lower_nested_functions): Call it.
15877 (insert_field_into_struct): Make extern.
15878 (struct walk_stmt_info): Move to tree-gimple.h.
15879 (walk_stmts): Make extern.
15880 * omp-builtins.def: New file.
15881 * tree-iterator.c (expr_only): Clarify comment.
15882 * c-common.h (pushdecl_top_level, pushdecl,
15883 build_modify_expr, build_indirect_ref,
15884 c_finish_omp_master, c_finish_omp_critical,
15885 c_finish_omp_ordered, c_finish_omp_barrier,
15886 c_finish_omp_atomic, c_finish_omp_flush,
15887 c_finish_omp_for, c_split_parallel_clauses,
15888 omp_clause_default_kind, c_omp_sharing_predetermined,
15889 c_omp_remap_decl): Declare.
15890 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15891 (OBJS-common): Add omp-low.o.
15892 (c-omp.o, omp-low.o): Add.
15893 (gimplify.o): Add dependency on $(OPTABS_H).
15894 (GTFILES): Add omp-low.c.
15895 (gt-stringpool.h): Add.
15896 * tree-cfg.c (set_bb_for_stmt): Do not update the
15897 block-to-labels map if we are currently expanding to RTL.
15898 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15900 Handle IDENTIFIER_NODE.
15901 (tree_verify_flow_info): Do not ICE when emitting error
15902 messages about invalid labels.
15903 (dump_function_to_file): Reset CFUN before emitting the body
15905 (debug_function): New.
15906 * passes.c (init_optimization_passes): Schedule
15908 * langhooks-def.h (lhd_omp_predetermined_sharing,
15909 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15911 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15912 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15913 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15914 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15915 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15916 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15917 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15918 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15919 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15920 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15921 (LANG_HOOK_DECLS): Use them.
15923 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15924 Richard Henderson <rth@redhat.com>
15925 Jakub Jelinek <jakub@redhat.com>
15926 Diego Novillo <dnovillo@redhat.com>
15928 * c-parser.c (pragma_omp_clause): Define.
15929 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15930 (c_parser_compound_statement): Likewise.
15931 (c_parser_statement): Likewise.
15932 (c_parser_pragma): Handle omp pragmas.
15933 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15934 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15935 (c_parser_omp_clause_name, check_no_duplicate_clause,
15936 c_parser_omp_variable_list,
15937 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15938 c_parser_omp_clause_copyprivate,
15939 c_parser_omp_clause_default,
15940 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15941 c_parser_omp_clause_lastprivate,
15942 c_parser_omp_clause_nowait,
15943 c_parser_omp_clause_num_threads,
15944 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15945 c_parser_omp_clause_reduction,
15946 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15947 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15948 c_parser_omp_atomic, c_parser_omp_barrier,
15949 c_parser_omp_critical, c_parser_omp_flush,
15950 c_parser_omp_for_loop, c_parser_omp_for,
15951 c_parser_omp_master, c_parser_omp_ordered,
15952 c_parser_omp_sections_scope, c_parser_omp_sections,
15953 c_parser_omp_parallel, c_parser_omp_single,
15954 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15955 * c-pragma.c (init_pragma): Do omp pragma registration here.
15956 * c.opt (fopenmp): New flag.
15958 2006-01-18 Eric Christopher <echristo@apple.com>
15960 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15961 * config/darwin.h (GOMP_SELF_SPECS): Define.
15963 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15965 * rtl.h: Remove the prototype for reg_alloc.
15967 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15970 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15971 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15972 sjlj and dwarf2 exception handling.
15973 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15974 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15975 * pa/pa.c (function_value): Treat complex and vector types as
15977 (function_arg): Likewise. Only pass scalar floats in the floating
15978 point argument registers.
15979 * pa/t-slibgcc-dwarf-ver: New file.
15980 * pa/t-slibgcc-sjlj-ver: New file.
15981 * pa/t-slibgcc-elf-ver: Delete file.
15983 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15985 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15986 unlikely_test_section_p test.
15988 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15990 * mode-switching.c (optimize_mode_switching): Make it static.
15991 * basic-block.h: Remove the prototype for
15992 optimize_mode_switching.
15994 * modulo-sched.c (sms_schedule): Make it static.
15995 * rtl.h: Remove the prototype for sms_schedule.
15997 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15998 * rtl.h: Remove the prototype for gcse_after_reload_main.
16000 * reg-stack.c (reg_to_stack): Make it static.
16001 * rtl.h: Remove the prototype for reg_to_stack.
16003 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16005 * rtl.h: Remove the prototypes for regrename_optimize and
16006 copyprop_hardreg_forward.
16008 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16010 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16011 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16012 Test against the appropriate null constant for the mode.
16013 If 'fixup_overlap' is true, swap the operands if they overlap.
16014 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16015 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16016 alpha_split_tmode_pair and adjust for above change.
16017 * config/alpha/alpha.md (movtf_internal): Adjust call to
16018 alpha_split_tfmode_pair and rely on it to swap the operands.
16019 (movti_internal): New insn and post-reload splitter.
16020 (movti): New expander.
16022 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16024 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16027 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16029 * rtlanal.c (global_reg_mentioned_p_1,
16030 global_reg_mentioned_p): Remove.
16031 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16033 * flow.c (initialize_uninitialized_subregs): Make it static.
16034 * rtl.h: Remove the prototype for
16035 initialize_uninitialized_subregs.
16037 * function.c (instantiate_virtual_regs): Make it static.
16038 * function.h: Remove the prototype for
16039 instantiate_virtual_regs.
16041 * regmove.c (regmove_optimize, combine_stack_adjustments):
16043 * rtl.h: Remove the prototypes for regmove_optimize and
16044 combine_stack_adjustments.
16046 2006-01-17 Roger Sayle <roger@eyesopen.com>
16048 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16049 (size_cost): Encode costs in bytes so that a reg-reg addition is
16050 equivalent to COSTS_N_INSNS(1).
16051 (override_options): Use the size_cost.branch_cost as the default
16052 ix86_branch_cost when optimizing for size.
16054 2006-01-18 Ben Elliston <bje@au.ibm.com>
16056 * Makefile.in (D32PBIT_FUNCS): New.
16057 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16058 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16059 D64PBIT_FUNCS and D128PBIT_FUNCS.
16060 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16061 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16063 (decnumber_dep): Define.
16064 * doc/libgcc.texi (Decimal float library routines): New node.
16065 * config/dfp-bit.h, config/dfp-bit.c: New files.
16067 2006-01-18 Ben Elliston <bje@au.ibm.com>
16069 * expr.c (emit_move_change_mode): Always adjust addresses, not
16070 just during reload. Copy replacements only during reload.
16071 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16072 emit_move_via_integer.
16074 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16076 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16077 instead of $(srcdir) and ${srcdir}.
16079 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16082 PR middle-end/11135
16083 * arm.h (struct machine_function): Add pic_reg.
16084 * arm.c (arm_pic_register): Make unsigned.
16085 (arm_override_options): Only set arm_pic_register if
16086 TARGET_SINGLE_PIC_BASE.
16087 (use_return_insn): Only test for a pic register if it is fixed.
16088 (arm_compute_save_reg0_reg12_mask): Likewise.
16089 (thumb_compute_save_reg_mask): Likewise.
16090 (legitimate_pic_operand): Factor out some known invariants.
16091 (legitimize_pic_address): If we don't have a fixed pic register,
16092 then set up a pseudo in the function entry sequence. Handle the
16093 pic base being in a pseudo.
16094 (arm_load_pic_register): Handle the pic register being in a pseudo.
16095 (arm_expand_prologue): Only set up the pic register if it is fixed.
16096 (thumb_expand_prologue): Likewise.
16097 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16098 (pic_load_addr_based_insn): Likewise.
16099 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16102 2006-01-18 Ben Elliston <bje@au.ibm.com>
16104 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16105 decimal float modes for all floating point registers.
16107 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16108 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16110 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16113 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16114 even when the pointer is not NULL.
16116 2006-01-16 Ian Lance Taylor <ian@airs.com>
16118 * common.opt (ftoplevel-reorder): New option.
16119 * cgraph.c (cgraph_asm_nodes): New global variable.
16120 (cgraph_asm_last_node): New static variable.
16121 (cgraph_order): New global variable.
16122 (cgraph_create_node): Set new order field.
16123 (cgraph_varpool_node): Likewise.
16124 (decide_is_variable_needed): Return true if not
16125 flag_toplevel_reorder.
16126 (cgraph_add_asm_node): New function.
16127 * cgraph.h (struct cgraph_node): Add order field.
16128 (struct cgraph_varpool_node): Add order field.
16129 (struct cgraph_asm_node): Define.
16130 (cgraph_asm_nodes, cgraph_order): Declare.
16131 (cgraph_add_asm_node): Declare.
16132 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16134 (cgraph_varpool_assemble_pending_decls): Call it.
16135 (cgraph_output_pending_asms): New static function.
16136 (cgraph_finalize_compilation_unit): Call it.
16137 (struct cgraph_order_sort): Define.
16138 (cgraph_output_in_order): New static function.
16139 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16140 !flag_toplevel_reorder case.
16141 * c-parser.c: Include "cgraph.h".
16142 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16144 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16145 than -fno-unit-at-a-time.
16146 * doc/invoke.texi (Option Summary): Mention
16147 -fno-toplevel-reorder.
16148 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16149 -funit-at-a-time documentation.
16151 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16152 Kazu Hirata <kazu@codesourcery.com>
16154 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16156 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16158 * Makefile.in (FUNCTION_H): New. Use it instead of
16159 function.h throughout the file.
16160 * function.h: Include tree.h.
16162 2006-01-17 Ben Elliston <bje@au.ibm.com>
16164 * recog.c: Separate some functions with whitespace.
16166 2006-01-16 Richard Henderson <rth@redhat.com>
16168 Merge from gomp branch:
16169 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16170 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16171 and rename from struct inline_data. Rename callee* to dst*;
16172 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16173 transform_new_cfg, transform_return_to_modify, and
16174 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16176 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16177 (copy_decl_for_dup): Remove.
16178 * tree-inline.c (struct inline_data): Move to header.
16179 (insert_decl_map): Export.
16180 (remap_decl): Update for member name changes. Use copy_decl hook.
16181 Allow for replacement to be a non-decl. Remove dead code.
16182 (remap_type_1): Check for existing mapping.
16183 (remap_type): Export.
16184 (remap_decls): Update for member name changes.
16185 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16186 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16187 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16188 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16189 (tree_function_versioning, build_duplicate_type): Likewise.
16190 (copy_body_r): Likewise. Export.
16191 (copy_decl_for_dup): Split into ...
16192 (copy_decl_for_dup_finish, copy_decl_to_var,
16193 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16194 (replace_ref_tree, inlining_p): Remove.
16196 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16198 * ifcvt.c (if_convert): Make it static.
16199 * rtl.h: Remove the prototype for if_convert.
16201 * local-alloc.c (local_alloc): Make it static.
16202 * rtl.h: Remove the prototype for local_alloc.
16204 * loop.c (loop_optimize): Make it static.
16205 * cfgloop.h: Remove the prototype for loop_optimize.
16208 2006-01-16 DJ Delorie <dj@redhat.com>
16210 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16213 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16215 * pa.md: Disparage copies between general and floating-point registers
16216 in 32-bit move patterns.
16218 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16221 * Makefile.in (check-%): Depend on site.exp instead of
16222 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16225 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16227 * global.c (global_alloc): Make it static.
16228 * rtl.h: Remove the prototype for global_alloc.
16230 2006-01-16 Richard Guenther <rguenther@suse.de>
16232 * tree-ssa-alias.c (struct used_part): Add write_only field.
16233 (get_or_create_used_part_for): Initialize it to true.
16234 (create_overlap_variables_for): Don't create structure variables
16235 for structures that only are written to.
16236 (find_used_portions): Handle MODIFY_EXPR to track whether a
16237 structure is only written to.
16239 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16241 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16243 * basic-block.h: Remove the prototype for
16244 partition_hot_cold_basic_blocks.
16246 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16248 * cppspec.c (lang_specific_spec_functions): Remove.
16249 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16250 * gcc.h (lang_specific_spec_functions): Remove.
16251 * gccspec.c (lang_specific_spec_functions): Remove.
16253 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16255 * combine.c (record_value_for_reg): Invalidate registers
16257 (record_dead_and_set_regs_1): Likewise, by passing them to
16258 record_value_for_reg.
16259 (record_dead_and_set_regs): Invalidate stores made by a
16260 call. We do not combine across a call, but we still
16261 relied on equivalences.
16263 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16265 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16266 vrp_int_const_binop returning non-constant nodes.
16268 2006-01-16 Paul Brook <paul@codesourcery.com>
16270 * config/m68k/m68k.c (output_move_const_into_data_reg):
16271 Output correct mnemonic for mvz and mvs.
16273 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16275 * rtl-factoring.c: Add sequence abstraction algorithm.
16276 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16277 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16279 (block_has_preserve_label): New function.
16280 * common.opt: Register new pass.
16281 * Makefile.in: Ditto.
16283 * timevar.def: Ditto.
16284 * tree-pass.h: Ditto.
16285 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16286 * rtl.h (make_jump_insn_raw): Add forward decl.
16287 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16289 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16290 Roger Sayle <roger@eyesopen.com>
16292 * fold-const.c (fold_minmax): New static function.
16293 (fold_binary) <MIN_EXPR>: Call it.
16294 <MAX_EXPR>: Likewise.
16295 * stor-layout.c (place_field): Use DECL_SIZE consistently
16296 in the computation of the new record size.
16298 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16300 * cse.c (cse_condition_code_reg): Make it static.
16301 * rtl.h: Remove the prototype for cse_condition_code_reg.
16303 * combine.c (combine_instructions): Make it static.
16304 * rtl.h: Remove the prototype for combine_instructions.
16306 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16309 * tree.c (get_file_function_name_long): Concatenate the first global
16310 object name with a string derived from the input filename of the object
16313 2006-01-16 Ben Elliston <bje@au.ibm.com>
16315 * config/i386/winnt-stubs.c: Update FSF address.
16316 * config/xtensa/ieee754-df.S: Ditto.
16317 * config/xtensa/ieee754-sf.S: Ditto.
16319 2006-01-14 Ian Lance Taylor <ian@airs.com>
16321 * ifcvt.c (noce_init_if_info): New static function, broken out of
16322 noce_process_if_block.
16323 (noce_process_if_block): Call noce_init_if_info.
16324 (check_cond_move_block): New static function.
16325 (cond_move_process_if_block): New static function.
16326 (process_if_block): Call cond_move_process_if_block.
16328 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16330 * cselib.c (hash_table): Rename to cselib_hash_table.
16331 (cselib_clear_table, discard_useless_values,
16332 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16333 cselib_init, cselib_finish): Adjust uses of hash_table.
16335 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16337 PR tree-optimization/25485
16338 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16339 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16340 is known to be false and true, respectively.
16342 2006-01-14 Richard Guenther <rguenther@suse.de>
16344 PR tree-optimization/22548
16345 PR tree-optimization/22555
16346 PR tree-optimization/22501
16347 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16348 * params.def (salias-max-array-elements): New parameter.
16349 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16350 * doc/invoke.texi (salias-max-array-elements): Document.
16351 * tree-flow-inline.h (var_can_have_subvars): We also handle
16353 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16355 * tree-ssa-structalias.c (params.h): Include.
16356 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16357 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16358 (get_constraint_for): For ADDR_EXPR operating on something
16359 containing an ARRAY_REF, add all subvars to the solution.
16360 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16361 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16362 for creating MUST_DEFs.
16363 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16365 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16367 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16369 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16370 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16371 number_of_iterations_le): New functions.
16372 (number_of_iterations_special): Removed.
16373 (number_of_iterations_exit): Do not use number_of_iterations_special.
16374 * tree.c (unsigned_type_for): Always return integer type.
16376 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16377 Richard Guenther <rguenther@suse.de>
16379 PR rtl-optimization/24257
16380 * gcse.c (find_moveable_store): Only consider a store movable
16381 when the SET_SRC of the insn can be assigned to a register.
16383 2006-01-14 Ian Lance Taylor <ian@airs.com>
16385 * tree.c (tree_not_class_check_failed): New function.
16386 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16387 (tree_not_class_check_failed): Declare.
16389 2006-01-13 Ian Lance Taylor <ian@airs.com>
16391 * reload1.c (do_output_reload): Add assertion rejecting a
16394 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16396 * combine.c (struct reg_stat): Add new fields truncation_label and
16398 (record_value_for_reg): Reset truncated_to_mode.
16399 (record_truncated_value): New function.
16400 (check_promoted_subreg): Call it. Rename to check_conversions.
16401 (combine_instructions): Rename check_promoted_subreg to
16403 (reg_truncated_to_mode): New function.
16404 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16405 (gen_lowpart_or_truncate): New function.
16406 (force_to_mode): Use it instead of gen_lowpart.
16408 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16410 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16411 VAR is a tag, not its type tag.
16413 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16415 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16416 alternatives to match style of other entries.
16417 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16419 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16421 PR tree-optimization/25771
16422 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16425 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16428 * tree-inline.c (declare_return_variable): If the return variable
16429 was marked as a non gimple complex, set the return slot variable
16430 to be a non gimple comple variable.
16432 2006-01-13 Richard Guenther <rguenther@suse.de>
16434 * builtins.c (expand_builtin_sincos): New function.
16435 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16437 (expand_builtin): Expand sincos using expand_builtin_sincos.
16439 2006-01-12 DJ Delorie <dj@redhat.com>
16441 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16442 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16443 so that constant shifts can be split.
16444 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16445 (m32c_valid_pointer_mode): Make static.
16446 (shift_gen_func_for): New.
16447 (m32c_prepare_shift): Use it. Split large const shifts into
16449 * config/m32c/predicates.md (shiftcount_operand): Allow more
16451 (longshiftcount_operand): New.
16452 * doc/md.texi (Machine Constraints): Document In6.
16454 2006-01-13 Ben Elliston <bje@au.ibm.com>
16456 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16457 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16460 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16462 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16463 to try to avoid clobbering pieces of structures when we know
16464 something about the whole structure.
16465 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16467 2006-01-13 Ben Elliston <bje@au.ibm.com>
16469 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16470 return in memory, as this is no limitation is no longer present.
16472 2006-01-12 DJ Delorie <dj@redhat.com>
16474 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16475 mova with fb, and for fb+0 -> An.
16477 * config/m32c/mov.md (peephole2): Fix enabling logic.
16479 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16480 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16481 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16482 FINI_ARRAY_SECTION_ASM_OP): Define.
16484 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16486 (m32c_legitimize_reload_address): New logic to reload FB to An.
16487 (m32c_output_reg_push): Add newline.
16488 (m32c_output_reg_pop): Likewise.
16490 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16492 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16494 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16496 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16498 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16500 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16503 2006-01-11 Ben Elliston <bje@au.ibm.com>
16505 * rtlanal.c (find_reg_note): Assert insn is not null.
16507 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16509 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16512 2006-01-11 Jeff Law <law@redhat.com>
16514 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16516 (mark_threaded_blocks, register_jump_thread): New functions.
16517 (thread_through_all_blocks): Remove unwanted argument. No
16518 longer rely on e->aux to communicate thread target info.
16519 Call mark_threaded_blocks. Release the threaded_blocks
16520 bitmap and threaded_edges vector when complete.
16521 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16522 (threaded_blocks): Remove.
16523 (tree_ssa_dominator_optimize): Remove initialization and
16524 finalization of threaded_blocks. Simplify call to
16525 thread_through_all_blocks.
16526 (thread_across_edge): Call register_jump_thread rather than
16527 storing thread information into e->aux.
16528 (free_all_edge_infos): Simplify now that e->aux is no longer
16529 used to communicate with thread_through_all_blocks.
16530 * tree-flow.h (thread_through_all_blocks): Update prototype.
16531 (register_jump_thread): Prototype.
16533 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16535 * df-core.c (df_compact_blocks, df_bb_replace): Use
16536 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16538 2006-01-11 Richard Guenther <rguenther@suse.de>
16540 PR tree-optimization/25734
16541 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16542 stop propagation after successful propagation to the LHS.
16544 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16546 * basic-block.h (control_flow_graph): Change the type of
16547 x_basic_block_info to VEC(basic_block,gc) *.
16548 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16550 (SET_BASIC_BLOCK): New.
16551 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16552 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16553 * cfgbuild.c (find_basic_blocks): Likewise.
16554 * cfglayout.c (fixup_reorder_chain): Likewise.
16555 * cfgrtl.c (create_basic_block_structure,
16556 rtl_create_basic_block): Likewise.
16557 * ifcvt.c (find_if_case_1): Likewise.
16558 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16561 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16563 * Makefile.in: Removed rotted odf.c entry.
16565 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16568 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16569 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16570 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16571 output pattern modifier, not %e.
16572 * config/cris/cris.c (cris_op_str): Update comment about pattern
16574 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16575 before falling through into...
16576 <case 'E'>: Redefined from old 'e' case.
16578 2006-01-11 Jan Hubicka <jh@suse.cz>
16581 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16583 2006-01-11 Jan Hubicka <jh@suse.cz>
16585 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16586 * i386.c (x86_decompose_lea): Kill.
16587 (ix86_rtx_costs): Kill.
16589 2006-01-11 Jan Hubicka <jh@suse.cz>
16591 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16592 * cgraph.h (cgraph_node): Add inline_decl.
16593 (cgraph_insert_node_to_hashtable): Declare.
16594 (save_inline_function_body): Declare.
16595 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16597 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16598 (cgraph_function_versioning): Update call of tree_function_versioning.
16599 (save_inline_function_body): New function.
16600 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16601 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16602 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16603 (cgraph_default_inline_p): Likewise.
16604 (cgraph_decide_inlining_incrementally): Likewise.
16605 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16606 (copy_bb): Kill saving; do updating of clones.
16607 (copy_cfg_body): Kill saving.
16608 (initialize_inlined-parameters): Likewise.
16609 (expand_call_inline): Likewise.
16611 (tree_function_versioning): New parameter "update_clones".
16612 (inlining_p): Kill saving.
16613 * tree-inline.h (tree_function_versioning): Update prototype.
16614 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16617 2006-01-11 Ian Lance Taylor <ian@airs.com>
16619 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16620 Allow undoing set of machine mode.
16621 (do_SUBST): Use enums instead of is_int.
16622 (do_SUBST_MODE): New function.
16623 (SUBST_MODE): New macro.
16624 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16625 reg and trying to replace reg_regno_rtx with a new register.
16626 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16627 (simplify_set): Use SUBST_MODE.
16628 (distribute_notes): Remove code that tried to update reg notes
16629 for regno_reg_rtx changes.
16631 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16633 PR tree-optimization/23109
16634 PR tree-optimization/23948
16635 PR tree-optimization/24123
16637 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16638 * tree-cfg.c (single_noncomplex_succ): New.
16639 * tree-flow.h (single_noncomplex_succ): Declare it.
16640 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16641 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16642 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16643 insert_bb, register_division_in, insert_reciprocals,
16644 replace_reciprocal, free_bb): New.
16645 (execute_cse_reciprocals_1): Rewritten.
16646 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16647 Do not commit any edge insertion. Always compute dominators and
16648 create the allocation pool.
16649 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16650 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16651 * targhooks.c (default_min_divistions_for_recip_mul): New.
16652 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16653 * passes.c (init_optimization_passes): Run recip after tree loop
16655 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16657 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16658 Kenneth Zadeck <zadeck@naturalbridge.com>
16660 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16661 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16662 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16663 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16664 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16665 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16666 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16667 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16668 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16669 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16670 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16671 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16672 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16673 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16674 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16675 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16676 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16677 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16678 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16679 DF_SCAN_POST_ALLOC): New macros.
16680 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16681 df_free_bb_function, df_local_compute_function, df_init_function,
16682 df_dataflow_function, df_confluence_function_0,
16683 df_confluence_function_n, df_transfer_function,
16684 df_finalizer_function, df_free_function, df_dump_problem_function,
16685 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16686 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16687 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16688 df_urec_bb_info, ) New types.
16689 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16691 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16692 df_analyze_simple_change_some_blocks,
16693 df_analyze_simple_change_one_block, df_compact_blocks,
16694 df_bb_replace, df_bb_regno_last_use_find,
16695 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16696 df_insn_regno_def_p, df_find_def, df_find_use,
16697 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16698 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16699 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16700 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16701 debug_df_chain, df_get_dependent_problem, df_chain_create,
16702 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16703 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16704 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16705 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16706 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16707 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16708 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16709 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16710 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16711 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16712 df_reorganize_refs, df_set_state, df_hard_reg_init,
16713 df_read_modify_subreg_p) New public functions.
16714 * df-core.c: The core dataflow solver and glue routines for rtl
16716 (df_init, df_add_problem, df_set_blocks, df_finish,
16717 df_hybrid_search_forward, df_hybrid_search_backward,
16718 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16719 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16720 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16721 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16722 df_reg_defined, df_find_use, df_reg_used, df_dump,
16723 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16724 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16725 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16726 debug_df_useno, reset_df_after_reload): New functions.
16727 * df-scan.c: The scanning fuctions, once in df.c, completely
16728 rewritten so that they now fully model the functionality of
16729 register usage at the backend.
16730 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16731 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16732 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16733 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16734 df_get_artificial_defs, df_get_artificial_uses,
16735 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16736 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16737 df_refs_delete, df_reorganize_refs, df_set_state,
16738 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16739 df_def_record_1, df_defs_record, df_uses_record,
16740 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16741 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16742 df_record_exit_block_uses, df_hard_reg_init): New functions.
16744 * df-problems.c: Seven concrete dataflow problems that use the
16745 scanning in df-scan.c and are solved by the engine in df-core.c.
16746 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16747 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16748 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16749 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16750 df_ru_free_bb_info, df_ru_alloc,
16751 df_ru_bb_local_compute_process_def,
16752 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16753 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16754 df_ru_transfer_function, df_ru_free, df_ru_dump,
16755 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16756 df_rd_free_bb_info, df_rd_alloc,
16757 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16758 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16759 df_rd_transfer_function, df_rd_free, df_rd_dump,
16760 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16761 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16762 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16763 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16764 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16765 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16766 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16767 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16768 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16769 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16770 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16771 df_urec_mark_reg_use_for_earlyclobber,
16772 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16773 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16774 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16775 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16776 df_chain_create_bb_process_use, df_chain_create_bb,
16777 df_chain_finalize, df_chain_free, df_chains_dump,
16778 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16779 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16780 df_reg_lifetime): New functions.
16781 * df.c: Deleted file.
16782 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16783 consistent with new df api.
16784 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16785 rest_of_handle_sms): Ditto.
16786 * web.c (unionfind_union, union_defs, entry_register, web_main):
16788 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16789 invariant_expr_equal_p, find_defs, check_dependencies,
16790 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16791 free_inv_motion_data, move_loop_invariants): Ditto.
16792 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16793 Update dependencies.
16794 (odf.c): Added defective entry that was deleted later in day.
16795 * sched-deps.c (sched_analyze_1): Ditto.
16797 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16799 * tree-ssa-operands.c (get_expr_operands): Record addressable
16800 variables directly. Do not call add_stmt_operands for CONST_DECLs
16802 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16803 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16805 2006-01-11 Ben Elliston <bje@au.ibm.com>
16807 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16808 function returns true in the positive case.
16810 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16813 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16814 for SI, DI, SF and DF modes. Add alternatives to copy between
16815 general and floating point registers to the 32-bit patterns.
16816 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16817 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16818 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16819 generating 64-bit code.
16820 * config/pa/pa.c (output_move_double): Handle copies between general
16821 and floating registers.
16823 2006-01-10 Stuart Hastings <stuart@apple.com>
16825 * config/i386/i386.md (set_got): Update.
16826 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16827 (builtin_setjmp_receiver): Mach-O support.
16828 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16829 (GOT_SYMBOL_NAME): Define.
16830 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16831 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16832 * config/i386/i386.c (override_options): Revise for Darwin.
16833 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16834 support. (darwin_x86_file_end): New. (output_set_got): Add label
16835 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16836 * config/i386/i386-protos.h (output_set_got): Likewise.
16837 * config/darwin.c (machopic_legitimize_pic_address): Update
16840 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16842 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16843 when MODE isn't BLKmode.
16845 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16847 PR rtl-optimization/25367
16848 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16850 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16853 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16854 for a negative bound.
16856 2006-01-10 Richard Guenther <rguenther@suse.de>
16858 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16859 Never override with anything constraint.
16861 2006-01-10 Jan Beulich <jbeulich@novell.com>
16863 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16864 256 bits when optimize_size.
16866 2006-01-10 Jan Beulich <jbeulich@novell.com>
16868 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16870 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16871 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16874 2006-01-10 Ben Elliston <bje@au.ibm.com>
16876 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16878 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16879 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16880 (USE_FP_FOR_ARG): Reject decimal float modes.
16881 (function_arg_advance): Likewise.
16882 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16883 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16884 point types in AltiVec vectors.
16885 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16886 (rs6000_libcall_value): Likewise.
16888 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16890 * config/xtensa/ieee754-df.S: New file.
16891 * config/xtensa/ieee754-sf.S: New file.
16892 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16893 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16894 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16896 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16898 * config/sh/predicates.md (binary_float_operator,
16899 binary_logical_operator, commutative_float_operator,
16900 equality_comparison_operator, greater_comparison_operator,
16901 less_comparison_operator, logical_operator,
16902 noncommutative_float_operator, shift_operator,
16903 symbol_ref_operand, unary_float_operator): Remove redundant
16906 2006-01-09 Jeff Law <law@redhat.com>
16908 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16909 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16910 now unused arguments. Callers updated.
16911 (eliminate_redundant_computations): Remove now unused arguments,
16913 (local_fold): Remove, no longer used.
16914 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16916 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16917 (simplify_cond): New function.
16918 (forward_propagate_into_cond): Call simplify_cond.
16920 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16922 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16923 (*vec_extractv2di_1_sse): New.
16925 2006-01-09 Ben Elliston <bje@au.ibm.com>
16927 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16929 2006-01-08 Richard Guenther <rguenther@suse.de>
16931 * tree-ssa-structalias.c (get_constraint_for): Remove
16932 anyoffset argument.
16933 (get_constraint_for_component_ref): Likewise.
16934 (do_deref): Likewise.
16935 (get_constraint_for): Likewise.
16936 (do_structure_copy): Likewise.
16937 (handle_ptr_arith): Likewise.
16938 (find_func_aliases): Likewise. Remove unused need_anyoffset
16941 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16942 Kaz Kojima <kkojima@gcc.gnu.org>
16944 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16945 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16946 (EXTRA_CONSTRAINT_C16): Remove.
16947 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16948 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16949 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16950 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16951 constants of SHmedia. Handle nested constant expressions of
16953 (andcosts): Fix the costs for SHmedia constants.
16954 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16955 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16956 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16957 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16958 (movv4hi_i, movv2si_i): Likewise.
16959 (movsi_const): Adjust the second operand of ior so to match with
16960 the Csu constraint.
16961 (movdi_const, movdi_const_32bit): Likewise.
16962 (movdi_const_16bit+1): Don't sign-extend LOW.
16963 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16965 (*double_shori): Fix the split condition. Use GEN_INT instead
16966 of get_int_mode calls. Mask lower 16-bit of the argument of
16968 (sym2GOTPLT): Remove.
16969 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16971 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16972 instead of EXTRA_CONSTRAINT_C16.
16974 2006-01-07 Ian Lance Taylor <ian@airs.com>
16975 David Edelsohn <edelsohn@gnu.org>
16977 PR rtl-optimization/25662
16978 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16979 for constant operands instead of simplify_gen_binary.
16980 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16981 after trying simplify_binary_operation
16983 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16985 * tree.c (iterative_hash_expr): Hash decls based on UID.
16987 2006-01-06 Eric Christopher <echristo@apple.com>
16989 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16990 (TARGET_UNWIND_EMIT): Fix spelling.
16991 * target.h (gcc_target): Add except_table_label.
16992 * except.c (output_function_exception_table): Use.
16993 * varasm.c (default_emit_except_table_label): New.
16994 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16996 (asm_out): Add here.
16997 * output.h (default_emit_except_table_label): Prototype.
16998 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16999 * config/darwin.c (darwin_emit_except_table_label): Define.
17000 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17002 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17004 PR tree-optimization/18527
17005 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17006 number_of_iterations_special, number_of_iterations_exit):
17007 Move base and step of an iv to a single structure. Add
17008 no_overflow flag, and use it in # of iterations analysis.
17009 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17010 folded_casts argument.
17011 (simple_iv): Pass base and step in a structure. Set no_overflow
17013 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17014 Evaluate expensiveness of computing # of iterations instead of
17015 the final expression.
17016 * tree-scalar-evolution.h (affine_iv): New structure.
17017 (simple_iv): Declaration changed.
17018 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17019 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17020 find_givs_in_stmt): Changed due to simple_iv change.
17022 2006-01-06 Jeff Law <law@redhat.com>
17025 * tree-cfg.c (bsi_replace): Rename final argument from
17026 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17027 change (stmt -> orig_stmt).
17028 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17029 (bsi_remove): Add new argument. Remove EH information
17031 (verify_eh_throw_table_statements): New function.
17032 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17034 * tree-optimize.c (execute_free_cfg_annotations): Verify
17035 the EH throw statement table after removing annotations.
17036 * except.h (verify_eh_throw_table_statements): Prototype.
17037 * tree-flow.h (bsi_remove): Update prototype.
17038 * tree-vrp.c (remove_range_assertions): Add new argument to
17040 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17041 * tree-complex.c (expand_complex_div_wide): Likewise.
17042 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17043 * tree-tailcall.c (eliminate_tailcall): Likewise.
17044 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17045 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17046 * tree-nrv.c (tree_nrv): Likewise.
17047 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17048 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17049 (combine_blocks): Likewise.
17050 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17051 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17052 (cleanup_control_flow): Likewise.
17053 (remove_forwarder_block): Likewise.
17054 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17055 * tree-sra.c (sra_replace): Likewise.
17056 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17057 (forward_propagate_single_use_vars): Likewise.
17058 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17059 * tree-inline.c (expand_call_inline): Likewise.
17060 * tree-vect-transform.c (vect_transform_loop): Likewise.
17061 * tree-outof-ssa.c (rewrite_trees): Likewise.
17062 * tree-cfg.c (make_goto_expr_edges): Likewise.
17063 (cleanup_dead_labels): Likewise.
17064 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17065 (bsi_move_before, bsi_move_after): Likewise.
17066 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17067 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17069 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17072 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17074 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17075 on non gimple variables. Also add checks at the top for decls and
17077 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17079 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17080 and IMAGPART_EXPR for creating MUST_DEFs.
17081 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17082 and NAME_MEMORY_TAG separately from the DECLs.
17084 2006-01-06 Richard Guenther <rguenther@suse.de>
17086 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17087 annotation, if necessary.
17088 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17089 redundant calls to update_stmt.
17090 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17093 2006-01-05 Richard Henderson <rth@redhat.com>
17095 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17097 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17099 * c-typeck.c: Update copyright date.
17101 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17103 * c-typeck.c (build_c_cast): Always warn when casting
17104 from a pointer to an integer of different size, even if
17105 the node was constant.
17107 2006-01-05 Richard Guenther <rguenther@suse.de>
17109 PR tree-optimization/22555
17110 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17111 if one structure field is an array.
17112 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17113 operands even if we found a subvar, but ignore VOPs in this
17115 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17117 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17119 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17121 PR middle-end/24998
17122 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17124 2006-01-05 Richard Guenther <rguenther@suse.de>
17125 Diego Novillo <dnovillo@redhat.com>
17127 * tree-pass.h (TODO_remove_unused_locals): Define.
17128 * gimple-low.c (expand_var_p, remove_useless_vars,
17129 pass_remove_useless_vars): Remove. Update all users.
17130 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17131 (remove_unused_locals): New function.
17132 * tree-flow.h (remove_unused_locals): Declare.
17133 * passes.c (execute_todo): Call remove_unused_locals if
17134 TODO_remove_unused_locals is set.
17135 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17136 * tree-ssa-dce.c (pass_dce): Likewise.
17137 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17139 2006-01-05 Richard Guenther <rguenther@suse.de>
17141 * tree-flow.h (struct fieldoff): Decompose field to
17142 type, size and decl.
17143 * tree-ssa-alias.c (create_sft): Take type as parameter.
17144 (create_overlap_variables_for): Store type, size and decl
17145 in the fieldoff structure.
17146 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17147 of struct fieldoff.
17148 (push_fields_onto_fieldstack): Likewise.
17149 (create_variable_info_for): Likewise. Use offset for the
17150 SFT name if the decl is not available.
17152 2006-01-04 Paul Brook <paul@codesourcery.com>
17154 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17156 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17158 * lambda-code.c (can_put_in_inner_loop): Relax
17160 (can_put_after_inner_loop): New function.
17161 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17162 (perfect_nestify): Change to make copies and modify uses.
17164 2006-01-04 Richard Henderson <rth@redhat.com>
17166 Merge from gomp branch:
17167 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17168 via integer constant.
17169 (pragma_lex): Remove.
17170 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17171 rather than parsing it.
17172 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17173 handle_pragma_extern_prefix): Add %< %> quotes.
17174 (registered_pragmas): New.
17175 (c_register_pragma_1): New.
17176 (c_register_pragma): Use it.
17177 (c_register_pragma_with_expansion): Likewise.
17178 (c_invoke_pragma_handler): New.
17179 (init_pragma): Use cpp_register_deferred_pragma directly for
17181 * c-pragma.h (enum pragma_kind): New.
17182 (pragma_handler): New.
17183 (c_invoke_pragma_handler): Declare.
17184 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17186 * c-common.h (c_common_pch_pragma): Update decl.
17187 * Makefile.in (c-parser.o): Update dependencies.
17188 (GTFILES): Add c-pragma.h.
17189 * c-parser.c (struct c_token): Add pragma_kind.
17190 (struct c_parser): Add in_pragma.
17191 (c_lex_one_token): Always initialize keyword and pragma_kind.
17192 Extract data for CPP_PRAGMA.
17193 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17194 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17195 Don't allow CPP_PRAGMA_EOL if in_pragma.
17196 (c_parser_consume_pragma): New.
17197 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17198 (c_parser_skip_to_end_of_parameter): Likewise.
17199 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17200 (c_parser_skip_to_pragma_eol): New.
17201 (c_parser_external_declaration): Handle CPP_PRAGMA.
17202 (c_parser_compound_statement_nostart): Likewise.
17203 (c_parser_statement_after_labels): Likewise.
17204 (c_parser_pragma): New.
17205 (pragma_lex): Likewise.
17206 (c_parser_pragma_pch_preprocess): New.
17207 (c_parser_new): Merge into ...
17208 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17210 2006-01-04 Jeff Law <law@redhat.com>
17213 * tree-cfg.c (bsi_replace): Remove the original statement
17214 from the EH throw statement table.
17216 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17218 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17219 make the prototype extern "C" and add throw ().
17222 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17223 and pos non-negative and pos + len <= 32.
17224 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17225 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17226 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17229 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17230 as well as sizes not multiple of component size.
17233 * function.c (instantiate_expr): New function.
17234 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17235 walk its DECL_VALUE_EXPR with instantiate_expr.
17237 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17238 DW_OP_deref{,_size} if address isn't going to be added.
17240 2006-01-04 Ben Elliston <bje@au.ibm.com>
17242 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17243 * config/fp-bit.c: Likewise.
17245 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17247 * dominance.c: Add comment about why we use DFS numbering
17250 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17251 Richard Henderson <rth@redhat.com>
17253 Merge from gomp-branch:
17254 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17255 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17257 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17259 PR rtl-optimization/25578
17260 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17261 pass a parameter to simplify_shift_const if changing ASHIFTRT
17264 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17266 * builtins.c (get_builtin_sync_mem): New function.
17267 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17268 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17269 Call get_builtin_sync_mem to generate mem rtx.
17271 2006-01-03 Richard Guenther <rguenther@suse.de>
17274 * stmt.c (add_case_node): Make sure to clear overflow flags
17277 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17279 Merge from gomp-branch.
17280 * config/sparc/sync.md: New file.
17281 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17282 UNSPECV_LDSTUB): New constants.
17283 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17284 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17285 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17288 2006-01-03 Roger Sayle <roger@eyesopen.com>
17290 * combine.c (reg_subword_p): New predicate to test whether the
17291 destination of a set refers to a subword/piece of a register.
17292 (try_combine): Generalize the code to merge the setting of a
17293 pseudo to a constant followed by a set of a subword of that
17294 register to a constant.
17296 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17298 * basic-block.h (control_flow_graph): Change the type of
17299 x_label_to_block_map to VEC(basic_block,gc) *.
17300 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17301 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17303 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17304 VEC(basic_block,heap) *.
17305 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17306 ssa_prop_fini): Adjust the uses of cfg_blocks.
17308 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17310 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17312 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17313 hashing trees instead of a pointer hash.
17314 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17315 compare for MEM_EXPR.
17317 PR rtl-optimization/25130
17318 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17319 when comparing MEMs for GCSE
17321 2006-01-03 Ben Elliston <bje@au.ibm.com>
17323 * targhooks.h (default_decimal_float_supported_p): Declare.
17324 * targhooks.c (default_decimal_float_supported_p): Define.
17325 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17326 `default_decimal_float_supported_p'.
17327 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17329 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17331 * combine.c (apply_distributive_law <SUBREG>): Check
17332 TRULY_NOOP_TRUNCATION.
17334 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17336 * dwarf2out.c (have_switched_text_section): Delete.
17337 (have_multiple_function_sections): New.
17338 (have_location_lists): Make 'bool'.
17339 (add_AT_loc_list): Use 'true' not '1'.
17340 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17341 (output_loc_list): Use have_multiple_function_sections.
17342 (output_ranges): Likewise.
17343 (dwarf2out_begin_function): Set have_multiple_function_sections if
17345 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17346 Check function_section rather than DECL_SECTION_NAME.
17347 (dwarf2out_finish): Use have_multiple_function_sections.
17348 Don't clear have_location_lists.
17350 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17351 Jan Hubicka <jh@suse.cz>
17353 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17354 case of conditional jump jumping to the next instruction.
17355 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17356 cases of conditional jump jumping to the next instruction.
17358 2006-01-02 Jan Hubicka <jh@suse.cz>
17360 * i386.c (*_cost): Add COSTS_N_INSNS.
17361 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17363 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17366 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17368 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17370 * config/arm/arm.c (all_fpus): Fix comment typo.
17371 * config/darwin.c: Likewise.
17372 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17373 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17374 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17376 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17378 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17379 (rs6000_split_compare_and_swapqhi): New.
17380 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17381 (sync_compare_and_swapqhi_internal): New.
17382 * config/rs6000/rs6000-protos.h: Declare.