1 2006-11-02 Paul Brook <paul@codesourcery.com>
4 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
5 from priority argument. Use different section for non-default
7 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
9 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
12 * except.c (switch_to_exception_section): Do not cache the section
13 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
14 and flag_function_sections is set.
16 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19 * builtins.c (do_mpfr_sincos): New.
20 (fold_builtin_1): Use it to fold builtin sincos.
22 2006-11-01 Roger Sayle <roger@eyesopen.com>
24 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
27 2006-11-01 Roger Sayle <roger@eyesopen.com>
29 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
30 whether the assembler supports taking the difference of symbols in
31 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
32 * configure: Regenerate.
33 * config.in: Regenerate.
34 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
35 the assembler doesn't support taking the difference of symbols in
36 different sections, i.e. we're using the native solaris assembler.
38 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
39 Peter Bergner <bergner@vnet.ibm.com>
41 * doc/invoke.texi: Add cpu_type power6x
42 (RS/6000 and PowerPC Options): Add -mmfpgpr.
43 * config.gcc: Add cpu_type power6x.
44 * configure.ac: Add test for mf{t,f}gpr instructions.
45 (HAVE_AS_MFPGPR): New.
46 * config.in: Regenerate.
47 * configure: Regenerate.
48 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
49 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
50 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
51 and mftgpr attributes.
52 (define_attr "cpu"): Add power6.
53 Change instruction sequences to use new attributes.
54 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
55 (fix_truncdfsi2_mfpgpr): New.
56 (floatsidf_ppc64_mfpgpr): New.
57 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
58 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
59 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
60 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
61 (fix_truncdfsi2): Use gpc_reg_operand constraint.
62 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
63 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
64 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
65 cntlz,exts and var_delayed_compare.
66 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
67 _ARCH_PWR6X, if features enabled.
68 * config/rs6000/rs6000.opt (mmfpgpr): New.
69 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
70 (cached_can_issue_more): New variable.
71 (processor_costs): Add power6_cost.
72 (rs6000_sched_init): New function.
73 (is_dispatch_slot_restricted): Deleted.
74 (set_to_load_agen): New function.
75 (is_load_insn,is_store_insn): New functions.
76 (adjacent_mem_locations): New function.
77 (insn_must_be_first_in_group): New function.
78 (insn_must_be_last_in_group): New function.
79 (rs6000_sched_reorder): New function.
80 (rs6000_sched_reorder2): New function.
81 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
82 TARGET_SCHED_REORDER2): Define.
83 (processor_target_table): Use PROCESSOR_POWER6 for power6.
84 Add power6x. Add MASK_MFPGPR for power6x.
85 (POWERPC_MASKS): Add MASK_MFPGPR.
86 (rs6000_override_options): Set rs6000_always_hint to false
87 for power6. Set rs6000_align_branch_targets. Replace
88 rs6000_sched_groups check with rs6000_align_branch_targets.
90 (last_scheduled_insn): New variable.
91 (load_store_pendulum): New variable.
92 (rs6000_variable_issue): Set last_scheduled_insn and
93 cached_can_issue_more.
94 (rs6000_adjust_cost): Add power6 cost adjustments.
95 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
96 with insn_must_be_first_in_group. Add power6 priority adjustments.
97 (rs6000_issue_rate): Add CPU_POWER6.
98 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
99 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
100 (TARGET_MFPGPR): New.
101 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
102 (ASM_CPU_SPEC): Add power6x.
103 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
105 * config/rs6000/power6.md: New file.
107 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
109 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
110 HOST_WIDE_INT_PRINT to print high and low parts. Use
111 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
112 printing a hexadecimal number prefix it with 0x.
114 2006-11-01 Chris Johns <chris@contemporary.net.au>
117 * Makefile.in (install-driver): Use exeext when installing
118 $target-gcc-$version.
120 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
122 * c-common.c (flag_cpp0x): New.
123 * c-common.h (flag_cpp0x): New.
124 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
125 supported, define __GXX_EXPERIMENTAL_CPP0X__.
126 * c-opts.c (set_std_cxx0x): New.
127 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
128 * c.opt (std=c++0x): Document.
129 (std=gnu++0x): Ditto.
130 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
131 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
133 2006-11-01 Richard Guenther <rguenther@suse.de>
135 * config/i386/i386.c (ix86_expand_rint): Fix issues with
137 (ix86_expand_floorceildf_32): Likewise.
138 (ix86_expand_floorceil): Likewise.
139 (ix86_expand_trunc): Likewise.
141 2006-10-31 Andrew Pinski <pinskia@gmail.com>
143 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
146 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
148 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
150 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
152 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
154 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
155 * configure.ac (use_cxa_atexit): As a special case, don't test
156 for libc definition of __cxa_atexit on mingw32
157 * configure: Regenerate.
158 * config.gcc (i[34567]86-pc-mingw32): Default to
159 enable__cxa_atexit=yes.
161 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
163 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
165 2006-10-31 Geoffrey Keating <geoffk@apple.com>
168 * c-decl.c (start_struct): Don't create self-containing
170 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
172 * config/rs6000/rs6000-protos.h
173 (darwin_rs6000_special_round_type_align): New.
174 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
175 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
177 2006-10-31 Geoffrey Keating <geoffk@apple.com>
179 * toplev.c (compile_file): Call final_write_globals
180 even if there have been errors.
182 2006-10-31 Eric Christopher <echristo@apple.com>
183 Falk Hueffner <falk@debian.org>
185 * doc/extend.texi (__builtin_bswap32): Document.
186 (__builtin_bswap64): Ditto.
187 * doc/libgcc.texi (bswapsi2): Document.
189 * doc/rtl.texi (bswap): Document.
190 * optabs.c (expand_unop): Don't widen a bswap.
191 (init_optabs): Init bswap. Set libfuncs explicitly
192 for bswapsi2 and bswapdi2.
193 * optabs.h (OTI_bswap): New.
194 (bswap_optab): Ditto.
195 * genopinit.c (optabs): Handle bswap_optab.
196 * tree.h (tree_index): Add TI_UINT32_TYPE and
198 (uint32_type_node): New.
199 (uint64_type_node): Ditto.
200 * tree.c (build_common_tree_nodes_2): Initialize
201 uint32_type_node and uint64_type_node.
202 * builtins.c (expand_builtin_bswap): New.
203 (expand_builtin): Call.
204 (fold_builtin_bswap): New.
205 (fold_builtin_1): Call.
206 * fold-const.c (tree_expr_nonnegative_p): Return true
208 * builtin-types.def (BT_UINT32): New.
210 (BT_FN_UINT32_UINT32): Ditto.
211 (BT_FN_UINT64_UINT64): Ditto.
212 * builtins.def (BUILT_IN_BSWAP32): New.
213 (BUILT_IN_BSWAP64): Ditto.
214 * rtl.def (BSWAP): New.
215 * genattrtab.c (check_attr_value): New.
216 * libgcc2.c (__bswapSI2): New.
218 * libgcc2.h (__bswapSI2): Declare.
220 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
221 * simplify-rtx.c (simplify_const_unary_operation): Return
223 * libgcc-std.ver (__bwapsi2): Add.
225 * reload1.c (eliminate_regs_1): Add bswap.
226 (elimination_effects): Ditto.
227 * config/i386/i386.h (x86_bswap): New.
229 * config/i386/i386.c (x86_bswap): Set.
231 2006-10-31 Geoffrey Keating <geoffk@apple.com>
233 * coverage.c (coverage_checksum_string): Update comment.
234 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
235 of get_file_function_name.
236 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
237 of get_file_function_name_long.
238 * tree.c (get_file_function_name): Rename from
239 get_file_function_name_long; improve comment; handle 'I' and 'D'
240 specially when the target has ctor/dtor support; remove special
242 (get_file_function_name): Remove.
243 * tree.h (get_file_function_name): Rename from
244 get_file_function_name_long.
245 (get_file_function_name): Remove prototype.
247 2006-10-31 Geoffrey Keating <geoffk@apple.com>
249 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
250 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
252 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
253 Call dsymutil when compiling and linking one or more source files
256 2006-10-31 Geoffrey Keating <geoffk@apple.com>
259 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
261 2006-10-31 Geoffrey Keating <geoffk@apple.com>
263 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
264 inline static functions in c99 mode.
267 * doc/extend.texi (Inline): Update.
268 * c-tree.h (struct language_function): Remove field 'extern_inline'.
269 * c-decl.c (current_extern_inline): Delete.
270 (pop_scope): Adjust test for an undefined nested function.
271 Add warning about undeclared inline function.
272 (diagnose_mismatched_decls): Update comments. Disallow overriding
273 of inline functions in a translation unit in C99. Allow inline
274 declarations in C99 at any time.
275 (merge_decls): Boolize variables. Handle C99 'extern inline'
277 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
278 C99 inline semantics.
279 (start_function): Don't clear current_extern_inline. Don't set
281 (c_push_function_context): Don't push current_extern_inline.
282 (c_pop_function_context): Don't restore current_extern_inline.
285 * c-typeck.c (build_external_ref): Warn about static variables
286 used in extern inline functions.
287 * c-decl.c (start_decl): Warn about static variables declared
288 in extern inline functions.
290 2006-10-31 Roger Sayle <roger@eyesopen.com>
293 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
294 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
295 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
296 or y is an even integer.
298 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
301 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
302 * gthr-posix95.h (__gthread_active_p): Likewise.
304 2006-10-31 Richard Guenther <rguenther@suse.de>
306 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
307 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
308 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
309 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
310 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
311 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
312 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
313 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
316 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
318 * opts.c (decode_options): Disable CSE skip blocks.
320 2006-10-30 Dirk Mueller <dmueller@suse.de>
322 * c-common.h (strict_aliasing_warning): Fix whitespace.
323 * c-decl (start_function): Move code for main decl warning ..
324 * c-common.c (check_main_parameter_types): .. here.
325 * c-common.h (check_main_parameter_types): Declare.
327 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
330 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
332 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
334 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
335 be a PARALLEL containing sets. Return false when out_pat is not
338 2006-10-30 Richard Sandiford <richard@codesourcery.com>
340 * config/mips/mips.md (mul<mode>3): Split into...
341 (mulsi3, muldi3): ...these separate patterns.
343 2006-10-30 Richard Sandiford <richard@codesourcery.com>
345 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
346 but with each set of options separated by spaces.
348 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
350 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
351 dwarf_reg_size_table has been initialized.
353 2006-10-30 Roger Sayle <roger@eyesopen.com>
355 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
356 * ddg.c (print_ddg_edge): Likewise.
357 * dwarf2out.c (prune_unused_types_walk): Likewise.
358 * ifcvt.c (noce_try_cmove_arith): Likewise.
359 * langhooks.c (add_builtin_function): Likewise.
360 * reg-stack.c (subst_stack_regs_pat): Likewise.
361 * tree.c (expanded_location): Likewise.
362 * tree-dump.c (dequeue_and_dump): Likewise.
364 2006-10-30 David Daney <ddaney@avtrex.com>
366 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
368 2006-10-30 Jakub Jelinek <jakub@redhat.com>
370 PR tree-optimization/29637
371 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
372 of the innertype is the innertype itself.
374 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
376 * dwarf2out.c (file_name_acquire): Correct typo.
378 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
380 * tree.h (tree_value_handle): Remove struct value_set declaration.
381 Change value_set to bitmap_set.
382 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
383 * tree-vn.c (get_value_handle): Made inline and moved to
385 * tree-flow-inline.h: (has_stmt_ann): New function.
386 * tree-ssa-pre.c (expressions): New variable.
387 (next_expression_id): Ditto.
388 (alloc_expression_id): New function.
389 (struct value_set): Remove.
390 (get_expression_id): New function.
391 (get_or_alloc_expression_id): Ditto.
392 (expression_for_id): Ditto.
393 (clear_expression_ids): Ditto.
394 (FOR_EACH_EXPR_ID_IN_SET): New macro.
395 (bb_value_sets): Renamed to bb_bitmap_sets.
396 All value sets replaced with bitmap_sets.
398 (BB_VISITED): New macro.
399 (postorder): New variable.
400 (add_to_value): Removed.
401 (value_exists_in_set_bitmap): Ditto.
402 (value_insert_into_set_bitmap): Ditto.
406 (set_contains_value): Ditto.
407 (insert_into_set): Ditto.
409 (find_leader): Ditto.
410 (bitmap_set_subtract_from_value_set): Ditto.
411 (value_insert_into_set): Ditto.
412 (print_value_set): Ditto.
413 (debug_value_set): Ditto.
414 (constant_expr_p): New function.
415 (bitmap_remove_from_set): Ditto.
416 (bitmap_insert_into_set): Ditto.
417 (bitmap_set_free): Ditto.
419 (sorted_array_from_bitmap_set): Ditto.
420 (bitmap_set_subtract): Ditto.
421 (bitmap_set_equal): Ditto.
422 (debug_bitmap_set): Ditto.
423 (find_leader_in_sets): Ditto.
424 (bitmap_set_replace_value): Modify for bitmapped sets.
425 (phi_translate): Ditto.
426 (phi_translate_set): Ditto.
427 (bitmap_find_leader): Ditto.
428 (valid_in_sets): Ditto.
429 (union_contains_value): Ditto.
431 (compute_antic_aux): Ditto. Mark changed blocks.
432 (compute_antic): Ditto. Iterate in postorder and only over
434 (compute_rvuse_and_antic_safe): Reuse postorder.
435 (create_component_ref_by_pieces): Modify for bitmapped sets.
436 (find_or_generate_expression): Ditto.
437 (create_expression_by_pieces): Ditto.
438 (insert_into_preds_of_block): Ditto.
439 (changed_blocks): New variable.
440 (do_regular_insertion): Broken out from insert_aux.
441 (insert_aux): Modified for bitmapped sets.
442 (find_existing_value_expr): New function.
443 (create_value_expr_from): Use it.
444 (insert_extra_phis): Removed.
445 (print_bitmap_set): Renamed from bitmap_print_value_set.
446 (compute_avail): Handle RETURN_EXPR.
447 (init_pre): Modify for bitmapped sets.
448 * tree-flow.h (has_stmt_ann): New function.
450 2006-10-29 Roger Sayle <roger@eyesopen.com>
452 * builtins.c (fold_builtin_floor): Check for the availability of
453 the C99 trunc function before transforming floor into trunc.
455 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
457 * builtins.c (fold_builtin_hypot): Rearrange recursive
458 transformation before others, and also do ABS_EXPR. When
459 necessary, check flag_unsafe_math_optimizations. When necessary,
462 2006-10-29 Roger Sayle <roger@eyesopen.com>
464 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
465 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
466 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
467 Fold -X eq/ne -Y as X eq/ne Y.
469 2006-10-29 Richard Sandiford <richard@codesourcery.com>
471 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
472 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
473 rather than GENERATE_MULT3_SI in the various define_peephole2s.
474 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
475 Use an inclusive test for "mult" rather than "mul".
476 (rotr<mode>3): Depend on ISA_HAS_ROR.
477 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
479 (GENERATE_MULT3_DI): Delete.
480 (ISA_HAS_64BIT_REGS): Use consistent formatting.
481 (ISA_HAS_MUL3): New macro.
482 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
483 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
484 (ISA_HAS_CLZ_CLO): Likewise.
485 (ISA_HAS_DCLZ_DCLO): Delete.
486 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
487 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
488 the VR4120 and VR4130.
489 (ISA_HAS_MACCHI): Use consistent formatting.
490 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
491 (ISA_HAS_ROR): ...this new macro.
492 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
493 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
494 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
496 2006-10-29 Roger Sayle <roger@eyesopen.com>
498 PR tree-optimization/15458
499 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
502 2006-10-29 Richard Guenther <rguenther@suse.de>
504 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
505 (ix86_expand_truncdf_32): Likewise.
506 * config/i386/i386.c (ix86_expand_trunc): New function expanding
507 trunc inline for SSE math and -fno-trapping-math and if not
509 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
510 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
511 for expanding btrunc inline for SSE math.
513 2006-10-29 Joseph Myers <joseph@codesourcery.com>
515 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
516 Handle tuning for bi-arch i[34567]86-*-linux* like that for
517 i[34567]86-*-solaris2.1[0-9]*.
518 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
519 Define conditionally depending on TARGET_64BIT_DEFAULT.
520 (SPEC_32, SPEC_64): Define.
521 (LINK_SPEC): Use them.
522 * doc/install.texi (--enable-targets=all): Document for x86-linux.
524 2006-10-29 Richard Guenther <rguenther@suse.de>
526 * config/i386/i386-protos.h (ix86_expand_round): Declare.
527 (ix86_expand_rounddf_32): Likewise.
528 * config/i386/i386.c (ix86_expand_round): New function expanding
529 round inline for SSE math and -fno-trapping-math and if not
531 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
532 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
533 round via ix86_expand_round.
535 2006-10-29 Richard Guenther <rguenther@suse.de>
537 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
538 (ix86_expand_floorceildf_32): Likewise.
539 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
540 static helper function.
541 (ix86_expand_floorceil): Expander for floor and ceil to SSE
543 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
544 * config/i386/i386.md (floordf2): Adjust to enable floor
545 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
546 -fno-trapping-math is enabled and if not optimizing for size.
547 (floorsf2, ceildf2, ceilsf2): Likewise.
548 * config/i386/sse.md (sse_maskcmpsf3): New insn.
549 (sse2_maskcmpdf3): Likewise.
551 2006-10-29 Richard Guenther <rguenther@suse.de>
553 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
554 rint in case -fno-trapping-math is enabled.
555 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
556 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
557 (ix86_expand_sse_fabs): Likewise.
558 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
559 * config/i386/i386.md (rintdf2): Enable for SSE math if
560 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
563 2006-10-29 Richard Guenther <rguenther@suse.de>
565 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
566 to conversion optabs.
567 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
569 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
570 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
571 (lfloor_optab, lceil_optab): Adjust defines.
572 * builtins.c (expand_builtin_int_roundingfn): Adjust for
573 lfloor and lceil optabs now being conversion optabs.
574 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
575 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
576 New static helper function.
577 (ix86_expand_lfloorceil): New function to expand lfloor and
579 * config/i386/i386.md (lfloor<mode>2): Split into ...
580 (lfloorxf<mode>2): ... x87 variant
581 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
582 using ix86_expand_lfloorceil.
583 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
585 * doc/md.texi (lfloorMN, lceilMN): Document.
587 2006-10-29 Richard Sandiford <richard@codesourcery.com>
589 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
590 -mno-shared assembler option on mips targets.
591 * configure, config.in: Regenerate.
592 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
593 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
594 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
596 2006-10-29 Richard Sandiford <richard@codesourcery.com>
598 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
599 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
601 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
603 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
604 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
607 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
610 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
611 (fold_builtin_pow): Evaluate constant arguments at compile-time
613 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
614 (do_mpfr_ckconv): New helper function.
615 (do_mpfr_arg1): Use do_mpfr_ckconv.
618 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
621 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
622 (-fdump-rtl-sched): Rename to ..
623 (-fdump-rtl-sched1): here. Also fix file extension number.
625 2006-10-28 Richard Guenther <rguenther@suse.de>
627 * fold-const.c (maybe_canonicalize_comparison): Fix code
630 2006-10-28 Uros Bizjak <uros@kss-loka.si>
632 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
633 (NON_QI_REG_P): Use IN_RANGE.
634 (REX_INT_REGNO_P): Use IN_RANGE.
635 (FP_REGNO_P): Use IN_RANGE.
636 (SSE_REGNO_P): Use IN_RANGE.
637 (REX_SSE_REGNO_P): Use IN_RANGE.
638 (MMX_REGNO_P): Use IN_RANGE.
639 (STACK_REGNO_P): New macro.
640 (STACK_REG_P): Use STACK_REGNO_P.
641 (NON_STACK_REG_P): Use STACK_REGNO_P.
642 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
643 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
644 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
645 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
646 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
648 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
650 * except.h (output_function_exception_table): Add 'const char*' param.
651 * except.c (switch_to_exception_section): Add 'const char*' param.
652 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
653 and flag_function_sections is set, use a function-specific section.
654 (output_function_exception_table): Add 'const char*' param.
655 Adjust call to switch_to_exception_section.
656 * final.c (rest_of_handle_final): Adjust calls to
657 output_function_exception_table.
658 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
659 * config.in: Regenerate.
660 * configure: Likewise.
662 2006-10-28 Richard Guenther <rguenther@suse.de>
665 * fold-const.c (maybe_canonicalize_comparison_1): Helper
666 for maybe_canonicalize_comparison.
667 (maybe_canonicalize_comparison): New function for canonicalizing
669 (fold_comparison): Call it to canonicalize comparisons with
672 2006-10-28 Richard Guenther <rguenther@suse.de>
675 * builtins.c (expand_builtin_int_roundingfn_2): Expand
676 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
677 (expand_builtin): Adjust likewise.
678 * genopinit.c (optabs[]): Add lround optab.
679 * optabs.c (init_optabs): Initialize lround_optab.
680 * optabs.h (enum convert_optab_index): Add COI_lround.
681 (lround_optab): Define.
682 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
683 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
685 (ix86_expand_lround): New function.
686 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
688 * doc/md.texi (lroundMN2): Document.
690 2006-10-28 Uros Bizjak <uros@kss-loka.si>
693 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
694 argument to HOST_WIDE_INT. Update function prototype.
695 (round_frame_size): Change return type to HOST_WIDE_INT. Change
696 "size" argument to HOST_WIDE_INT. Update function prototype.
698 2006-10-28 Uros Bizjak <uros@kss-loka.si>
700 * config/i386/i386.c (output_387_ffreep): Create output from a
701 template string for !HAVE_AS_IX86_FFREEP.
703 2006-10-27 Eric Christopher <echristo@apple.com>
705 * config/darwin.c: Fix formatting and grammar.
707 2006-10-27 Jan Hubicka <jh@suse.cz>
709 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
710 to be thrown away soon when IGNORE is set.
711 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
712 indicating when return value shall not be computed.
713 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
715 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
717 * config/i386/i386.h (TARGET_GEODE):
718 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
719 (TARGET_CPU_DEFAULT_geode): New macro.
720 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
721 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
722 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
723 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
724 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
726 (TARGET_CPU_DEFAULT_NAMES): Add geode.
727 (processor_type): Add PROCESSOR_GEODE.
729 * config/i386/i386.md: Include geode.md.
732 * config/i386/i386.c (geode_cost): New initialized global
734 (m_GEODE, m_K6_GEODE): New macros.
735 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
736 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
737 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
738 x86_schedule): Use m_K6_GEODE instead of m_K6.
739 (x86_movx, x86_cmove): Set up m_GEODE.
740 (x86_integer_DFmode_moves): Clear m_GEODE.
741 (processor_target_table): Add entry for geode.
742 (processor_alias_table): Ditto.
744 * config/i386/geode.md: New file.
746 * doc/invoke.texi: Add entry about geode processor.
748 2006-10-27 Mike Stump <mrs@apple.com>
750 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
751 __DYNAMIC__ from here back to ...
752 * config/darwin.h (CPP_SPEC): ... here.
754 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
755 Nathan Sidwell <nathan@codesourcery.com>
757 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
758 when choosing the minimum heapsize.
760 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
762 * gcc/unwind-dw2.h: Move cfa-related variables into
763 struct frame_state_reg_info to ensure that the CFA is properly
764 handled when executing DW_CFA_{remember,restore}_state.
765 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
766 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
767 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
768 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
769 gcc/config/rs6000/linux-unwind.h,
770 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
771 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
772 Modify to use new cfa_* fields.
774 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
776 * config/s390/s390.c (s390_init_frame_layout): Check positive
779 2006-10-26 Ben Elliston <bje@au.ibm.com>
781 * gimplify.c (get_name): Remove extraneous break.
782 (gimplify_omp_for): Initialise ret with GS_OK.
784 2006-10-25 Steve Ellcey <sje@cup.hp.com>
786 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
787 Add unix98.o to link line.
789 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
792 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
793 Calculate compile-time constants using MPFR.
794 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
795 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
797 2006-10-25 Bob Wilson <bob.wilson@acm.org>
799 * config/xtensa/lib2funcs.S: Use C-style comments.
801 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
803 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
804 (file_table_relative_p): Likewise.
805 (dwarf2out_finish): Likewise.
806 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
808 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
810 * tree-ssa-structalias.c (intra_create_variable_infos):
811 Don't recreate nonlocal_all if it already exists.
813 2006-10-25 Richard Guenther <rguenther@suse.de>
816 * optabs.h (enum optab_index): Remove OTI_lrint.
817 (enum convert_optab_index): Add COI_lrint.
818 (lrint_optab): Adjust.
819 (expand_sfix_optab): Declare.
820 * optabs.c (expand_sfix_optab): New function.
821 (init_optabs): Init lrint_optab as conversion optab.
822 * genopinit.c (lrint_optab): Change to a conversion optab.
823 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
824 expansion via conversion optab.
825 * config/i386/i386.md (*fistdi2_1): Remove
826 flag_unsafe_math_optimizations guard.
827 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
828 fist<mode>2_with_temp): Likewise.
829 (lrint<mode>2): Split into...
830 (lrintxf<mode>2): ... x87 part
831 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
832 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
833 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
834 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
835 * doc/md.texi (lrintMN2): Document.
837 2006-10-25 Uros Bizjak <uros@kss-loka.si>
840 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
841 Use inc and dec instructions for TARGET_USE_INCDEC.
842 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
843 ("sync_double_compare_and_swap<mode>"): Likewise.
844 ("*sync_double_compare_and_swapdi_pic"): Likewise.
845 ("*sync_compare_and_swap_cc<mode>"): Likewise.
846 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
847 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
848 ("sync_old_add<mode>"): Likewise.
849 ("sync_lock_test_and_set<mode>"): Likewise.
850 ("sync_lock_test_and_set<mode>"): Likewise.
851 ("sync_add<mode>"): Likewise.
852 ("sync_sub<mode>"): Likewise.
853 ("sync_ior<mode>"): Likewise.
854 ("sync_and<mode>"): Likewise.
855 ("sync_xor<mode>"): Likewise.
857 2006-10-25 Uros Bizjak <uros@kss-loka.si>
859 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
860 (remainder_optab): Define corresponding macro.
861 (drem_optab): Remove.
862 * optabs.c (init_optabs): Initialize remainder_optab. Remove
863 drem_optab initialization.
864 * genopinit.c (optabs): Implement remainder_optab using
865 remainder?f3 patterns. Remove drem_optab.
866 * builtins.c (expand_builtin_mathfn_2): Handle
867 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
868 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
869 expand_builtin_mathfn_2.
871 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
872 depend on flag_unsafe_math_optimizations.
874 * config/i386/i386.md ("remaindersf3", "remainderdf3")
875 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
876 Do not depend on flag_unsafe_math_optimizations. Use
877 truncxf?f expander instead of truncxf?f_i387_noop.
879 ("fpremxf4", "fprem1xf4"): Do not depend on
880 flag_unsafe_math_optimizations.
881 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
882 flag_unsafe_math_optimizations. Use truncxf?f expander
883 instead of truncxf?f_i387_noop.
885 * doc/md.texi (fmod, remainder): Document standard named pattern.
887 2006-10-24 Richard Sandiford <richard@codesourcery.com>
888 David Daney <ddaney@avtrex.com>
891 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
893 2006-10-25 Ben Elliston <bje@au.ibm.com>
895 * doc/extend.texi (Variable Attributes): Typo fix.
897 2006-10-24 Uros Bizjak <uros@kss-loka.si>
899 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
900 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
901 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
902 (FRAME_POINTER_REGNUM): Update register number to 21.
903 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
904 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
906 * config/i386/i386.c (regclass_map): Add fpcr entry.
907 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
909 (print_reg): Assert REGNO (x) != FPCR_REG.
911 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
912 (DIRFLAG_REG): Renumber.
913 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
914 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
915 (sse_prologue_save, *sse_prologue_save_insn): Renumber
916 hardcoded SSE register numbers.
918 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
919 hardcoded MMX register numbers.
921 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
924 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
925 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
927 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
928 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
929 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
930 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
932 2006-10-24 Richard Guenther <rguenther@suse.de>
935 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
936 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
937 for deciding optimizations in consistency with fold-const.c
938 (fold_builtin_unordered_cmp): Likewise.
940 2006-10-24 Richard Guenther <rguenther@suse.de>
942 * builtins.c (fold_builtin_floor): Fold floor (x) where
943 x is nonnegative to trunc (x).
944 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
945 nonnegative to FIX_TRUNC_EXPR.
947 2006-10-24 Richard Guenther <rguenther@suse.de>
949 PR tree-optimization/29567
950 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
951 for TRUTH_NOT_EXPR. Clarify comments.
953 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
956 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
957 at compile-time using MPFR. Change parameter VALUE to FUNC,
959 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
960 for overflow and underflow at all times and avoid folding in
963 2006-10-24 Ben Elliston <bje@au.ibm.com>
965 * reload1.c: Formatting fixes.
967 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
969 PR tree-optimization/14784
970 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
971 * tree-ssa-structalias.c (get_constraint_for,
972 intra_create_variable_infos): Set is_heapvar.
973 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
974 non-heapvar pointer variables specially.
976 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
979 * builtins.c (fold_builtin_sin, fold_builtin_cos,
980 fold_builtin_tan): Fold all constant arguments. Take a "type"
981 argument as necessary.
983 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
985 2006-10-23 Bob Wilson <bob.wilson@acm.org>
987 * config/xtensa/lib1funcs.asm: Use C-style comments.
989 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
991 * tree.c (local_define_builtin): Replace calls to
992 lang_hooks.builtin_function with add_builtin_function.
993 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
995 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
997 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
998 common code to add_builtin_function.
999 * langhooks.c (add_builtin_function): New function.
1000 (lhd_builtin_function): New function.
1001 * langhooks.h (struct lang_hooks): Change the signature of
1003 (add_builtin_function): New function.
1004 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1005 calls to lang_hooks.builtin_function with add_builtin_function.
1006 * c-common.c (decl_builtin_1): Replace calls to
1007 lang_hooks.builtin_function with add_builtin_function.
1008 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1009 lang_hooks.builtin_function with add_builtin_function.
1010 * config/frv/frv.c (def_builtin): Replace calls to
1011 lang_hooks.builtin_function with add_builtin_function.
1012 * config/s390/s390.c (s390_init_builtins): Replace calls to
1013 lang_hooks.builtin_function with add_builtin_function.
1014 * config/sparc/sparc.c (def_builtin): Replace calls to
1015 lang_hooks.builtin_function with add_builtin_function.
1016 * config/i386/i386.c (def_builtin): Replace calls to
1017 lang_hooks.builtin_function with add_builtin_function.
1018 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1019 lang_hooks.builtin_function with add_builtin_function.
1020 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1021 lang_hooks.builtin_function with add_builtin_function.
1022 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1023 Replace calls to lang_hooks.builtin_function with
1024 add_builtin_function.
1025 * config/iq2000/iq2000.c (def_builtin):
1026 Replace calls to lang_hooks.builtin_function with
1027 add_builtin_function.
1028 * config/ia64/ia64.c (def_builtin): Replace calls to
1029 lang_hooks.builtin_function with add_builtin_function.
1030 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1031 lang_hooks.builtin_function with add_builtin_function.
1032 (altivec_init_builtins): Replace calls to
1033 lang_hooks.builtin_function with add_builtin_function.
1034 * config/arm/arm.c (def_mbuiltin): Replace calls to
1035 lang_hooks.builtin_function with add_builtin_function.
1036 (arm_init_tls_builtins): Replace calls to
1037 lang_hooks.builtin_function with add_builtin_function.
1038 * config/mips/mips.c (mips_init_builtins): Replace calls to
1039 lang_hooks.builtin_function with add_builtin_function.
1040 * config/bfin/bfin.c (def_builtin): Replace calls to
1041 lang_hooks.builtin_function with add_builtin_function.
1042 * langhooks-def.h (lhd_builtin_function): New function.
1043 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1045 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1047 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1048 BUILT_IN_STRNCAT_CHK.
1050 2006-10-23 Jan Hubicka <jh@suse.cz>
1052 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1053 don't do conversion from memmove to memcpy here.
1054 (expand_builtin_bcopy, expand_builtin): Update call of
1055 expand_builtin_memmove.
1056 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1058 2006-10-23 Paul Brook <paul@codesourcery.com>
1060 * stor-layout.c (start_record_layout): maximum_field_alignment
1061 overrides STRUCTURE_SIZE_BOUNDARY.
1063 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1065 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1066 nonlocal function symbols if flag_pic.
1068 2006-10-23 Richard Guenther <rguenther@suse.de>
1072 * builtins.c (fold_binary): Remove checks for flag_wrapv
1073 and flag_trapv where negate_expr_p covers these cases.
1075 2006-10-23 Richard Guenther <rguenther@suse.de>
1078 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1079 of two on the absolute value.
1080 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1081 and negating -C does not overflow.
1083 2006-10-23 Richard Guenther <rguenther@suse.de>
1086 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1087 only if not flag_rounding_math.
1089 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1090 Kaz Kojima <kkojima@gcc.gnu.org>
1093 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1094 SImode memory reference for the source of a movua.
1095 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1096 (movua): Use an unspec instead of sign_extract. Expect the source
1097 to have mode BLKmode.
1098 (extv, insv): Use a BLKmode rather than SImode memory reference
1099 for the source of a movua.
1101 2006-10-22 Jeff Law <law@redhat.com>
1102 Richard Guenther <rguenther@suse.de>
1104 PR tree-optimization/15911
1105 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1106 (register_edge_assert_for_1): Likewise.
1107 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1108 (find_conditional_asserts): Adjust for new function signature.
1109 (find_assert_locations): Likewise.
1111 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1113 * config/i386/tmmintrin.h: Remove the duplicated content.
1115 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1117 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1118 (x86_64-*-*): Likewise.
1120 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1121 (override_options): Check SSSE3.
1122 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1123 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1124 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1125 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1126 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1127 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1128 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1129 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1130 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1131 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1132 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1133 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1134 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1135 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1136 IX86_BUILTIN_PABSD128.
1137 (bdesc_2arg): Add SSSE3.
1138 (bdesc_1arg): Likewise.
1139 (ix86_init_mmx_sse_builtins): Support SSSE3.
1140 (ix86_expand_builtin): Likewise.
1141 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1143 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1144 (UNSPEC_PSIGN): Likewise.
1145 (UNSPEC_PALIGNR): Likewise.
1146 Include mmx.md before sse.md.
1148 * config/i386/i386.opt: Add -mssse3.
1150 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1151 (ssse3_phaddwv4hi3): Likewise.
1152 (ssse3_phadddv4si3): Likewise.
1153 (ssse3_phadddv2si3): Likewise.
1154 (ssse3_phaddswv8hi3): Likewise.
1155 (ssse3_phaddswv4hi3): Likewise.
1156 (ssse3_phsubwv8hi3): Likewise.
1157 (ssse3_phsubwv4hi3): Likewise.
1158 (ssse3_phsubdv4si3): Likewise.
1159 (ssse3_phsubdv2si3): Likewise.
1160 (ssse3_phsubswv8hi3): Likewise.
1161 (ssse3_phsubswv4hi3): Likewise.
1162 (ssse3_pmaddubswv8hi3): Likewise.
1163 (ssse3_pmaddubswv4hi3): Likewise.
1164 (ssse3_pmulhrswv8hi3): Likewise.
1165 (ssse3_pmulhrswv4hi3): Likewise.
1166 (ssse3_pshufbv16qi3): Likewise.
1167 (ssse3_pshufbv8qi3): Likewise.
1168 (ssse3_psign<mode>3): Likewise.
1169 (ssse3_psign<mode>3): Likewise.
1170 (ssse3_palignrti): Likewise.
1171 (ssse3_palignrdi): Likewise.
1172 (abs<mode>2): Likewise.
1173 (abs<mode>2): Likewise.
1175 * config/i386/tmmintrin.h: New file.
1177 * doc/extend.texi: Document SSSE3 built-in functions.
1179 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1181 2006-10-22 Ira Rosen <irar@il.ibm.com>
1183 * tree-vect-transform.c (vectorizable_load): Use the type of the
1184 return value of the mask_for_load builtin to create realign_load
1187 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1189 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1192 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1194 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1195 (UNSPEC_LDDQU): This.
1196 * config/i386/sse.md (sse3_lddqu): Updated.
1198 2006-10-21 Richard Guenther <rguenther@suse.de>
1200 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1201 (expand_builtin): Use it to expand lrint instead of
1202 expand_builtin_mathfn.
1204 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1207 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1208 flag_unsafe_math_optimizations is set.
1210 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1213 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1214 patterns to use memory input operand in x87->mem->XMM
1215 reload sequences. Skip transformation for TARGET_K8.
1217 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1219 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1220 force operand1 to register if both operands are memory operands.
1221 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1222 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1223 if both operands are memory operands.
1224 (truncdfsf2): Do not force operand1 to register if both operands
1225 are memory operands.
1227 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1229 * Makefile.in (LIBS): Add $(GMPLIBS).
1230 * doc/install.texi: Update GMP and MPFR requirements.
1231 * doc/sourcebuild.texi (need_gmp): Delete.
1233 2006-10-21 Richard Guenther <rguenther@suse.de>
1235 PR tree-optimization/3511
1236 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1237 got new invariant arguments during PHI translation.
1239 2006-10-21 Richard Guenther <rguenther@suse.de>
1242 * fold-const.c (fold_comparison): Fold signed comparisons
1243 of the form X +- C1 CMP Y +- C2.
1245 2006-10-21 Richard Guenther <rguenther@suse.de>
1248 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1249 if flag_unsafe_math_optimizations is specified. We have
1250 flag_finite_math_only for that.
1251 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1252 or flag_unsafe_math_optimizations.
1254 2006-10-21 Richard Guenther <rguenther@suse.de>
1256 * builtins.c (fold_builtin_classify): Fix typo.
1258 2006-10-21 Richard Guenther <rguenther@suse.de>
1261 * simplify-rtx.c (simplify_const_relational_operation):
1262 Do not constant-fold ORDERED and UNORDERED for
1263 flag_unsafe_math_optimizations but only we do not need to
1264 honor NaNs for the given mode.
1266 2006-10-21 Richard Guenther <rguenther@suse.de>
1269 * config/i386/i386.c (classify_argument): Remove redundant
1270 walking of the BINFOs.
1271 (contains_128bit_aligned_vector_p): Likewise.
1273 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1275 * BASE-VER: Set to 4.3.0.
1277 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1279 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1280 (tree_decl_with_vis): Remove artificial_pta_var flag.
1281 * tree-flow.h (referenced_var_check_and_insert): Expose.
1282 (nonlocal_all): New prototype.
1283 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1284 (nonlocal_all): Make global.
1285 (nonlocal_lookup): Remove.
1286 (nonlocal_insert): Ditto.
1287 (create_nonlocal_var): Do not call nonlocal_insert.
1288 (get_nonlocal_id_for_type): Remove.
1289 (find_global_initializers): Mark new vars we find for renaming.
1290 (intra_create_variable_infos): Only create one nonlocal.
1291 (expand_nonlocal_solutions): Remove.
1292 (compute_points_to_sets): Don't call it.
1293 (ipa_pta_execute): Ditto.
1294 (init_alias_heapvars): Don't create nonlocal_for_type.
1295 (delete_alias_heapvars): Don't remove it.
1296 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1299 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1301 * doc/install.texi (Downloading GCC): Clarify mention of
1302 Fortran in the "full distribution" description.
1304 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1306 Fix PR tree-optimization/28778
1307 Fix PR tree-optimization/29156
1308 Fix PR tree-optimization/29415
1309 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1310 (tree_decl_with_vis): Add artificial_pta_var flag.
1311 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1312 pushed into callers.
1313 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1314 (nonlocal_all): Ditto.
1315 (struct variable_info): Add directly_dereferenced member.
1316 (var_escaped_vars): New variable.
1317 (escaped_vars_tree): Ditto.
1318 (escaped_vars_id): Ditto.
1319 (nonlocal_vars_id): Ditto.
1320 (new_var_info): Set directly_dereferenced.
1321 (graph_size): New variable
1322 (build_constraint_graph): Use graph_size.
1323 (solve_graph): Don't process constraints that cannot change the
1324 solution, don't try to propagate an empty solution to our
1326 (process_constraint): Set directly_dereferenced.
1327 (could_have_pointers): New function.
1328 (get_constraint_for_component_ref): Don't process STRING_CST.
1329 (nonlocal_lookup): New function.
1330 (nonlocal_insert): Ditto.
1331 (create_nonlocal_var): Ditto.
1332 (get_nonlocal_id_for_type): Ditto.
1333 (get_constraint_for): Allow results vector to be empty in the case
1334 of string constants.
1335 Handle results of calls properly.
1336 (update_alias_info): Update alias info stats on number and type of
1338 (find_func_aliases): Use could_have_pointers.
1339 (make_constraint_from_escaped): Renamed from
1340 make_constraint_to_anything, and changed to make constraints from
1342 (make_constraint_to_escaped): New function.
1343 (find_global_initializers): Ditto.
1344 (create_variable_info_for): Make constraint from escaped to any
1345 global variable, and from any global variable to the set of
1347 (intra_create_variable_infos): Deal with escaped instead of
1348 pointing to anything.
1349 (set_uids_in_ptset): Do type pruning on directly dereferenced
1351 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1352 (init_base_vars): Fix comment, and initialize escaped_vars.
1353 (need_to_solve): Removed.
1354 (find_escape_constraints): New function.
1355 (expand_nonlocal_solutions): Ditto.
1356 (compute_points_to_sets): Call find_escape_constraints and
1357 expand_nonlocal_solutions.
1358 (delete_points_to_sets): Don't fall off the end of the graph.
1359 (init_alias_heapvars): Initialize nonlocal_for_type and
1361 (delete_alias_heapvars): Free nonlocal_for_type and null out
1364 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1366 * fold-const.c (add_double): Rename to add_double_with_sign.
1367 Add 'unsigned_p' parameter and take it into account for the overflow.
1368 (mul_double): Rename to mul_double_with_sign.
1369 Add 'unsigned_p' parameter and take it into account for the overflow.
1370 (fold_div_compare): Call add_double_with_sign instead of add_double
1371 and mul_double_with_sign instead of mul_double, passing them the
1372 unsignedness of the type.
1373 * tree.h (add_double): Macroize.
1374 (add_double_with_sign): New prototype.
1375 (mul_double): Macroize.
1376 (mul_double_with_sign): New prototype.
1378 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1380 * config/score/crti.asm: New file.
1381 * config/score/crtn.asm: New file.
1382 * config/score/elf.h: New file.
1383 * config/score/mac.md: New file.
1384 * config/score/misc.md: New file.
1385 * config/score/mul-div.S: New file.
1386 * config/score/predicates.md: New file.
1387 * config/score/score7.md: New file.
1388 * config/score/score.c: New file.
1389 * config/score/score-conv.h: New file.
1390 * config/score/score.h: New file.
1391 * config/score/score.md: New file.
1392 * config/score/score-mdaux.c: New file.
1393 * config/score/score-mdaux.h: New file.
1394 * config/score/score-modes.def: New file.
1395 * config/score/score.opt: New file.
1396 * config/score/score-protos.h: New file.
1397 * config/score/score-version.h: New file.
1398 * config/score/t-score-elf: New file.
1399 * config.gcc: Add score*-*-* configurations(Update before).
1400 * doc/invoke.texi (Score Options): New section.
1401 * doc/md.texi (Score family): New section to document constraints.
1403 2006-10-19 Nick Clifton <nickc@redhat.com>
1405 * config/arm/arm.c: Fix spelling typo.
1407 2006-10-18 Tom Tromey <tromey@redhat.com>
1409 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1411 2006-10-18 Jan Hubicka <jh@suse.cz>
1414 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1417 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1419 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1420 TSI_SAME_STMT, since that's the desired entity.
1422 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1424 * config/s390/contraints.md: New file.
1425 * config/s390/s390-protos.h (s390_mem_constraint,
1426 s390_O_constraint_str, s390_N_constraint_str,
1427 s390_float_const_zero_p): Function prototypes added.
1428 * config/s390/s390.c (s390_extra_constraint_str,
1429 s390_const_double_ok_for_constraint_p,
1430 s390_const_ok_for_constraint_p): Functions removed.
1431 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1432 s390_float_const_zero_p): New functions.
1433 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1434 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1435 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1436 Macro definitions removed.
1437 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1438 s390_extra_constraint_str): Functions removed.
1440 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1441 Richard Sandiford <richard@codesourcery.com>
1444 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1445 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1447 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1449 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1450 (DWARF2_FRAME_REG_OUT): Likewise.
1451 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1452 (DWARF2_FRAME_REG_OUT): Likewise.
1454 2006-10-17 Paul Brook <paul@codesourcery.com>
1456 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1458 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1460 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1461 Standardize on "GNU Fortran" as the official name of the Fortran
1464 2006-10-16 Mike Stump <mrs@apple.com>
1466 * doc/invoke.texi (Darwin Options): Document -mkernel.
1467 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1469 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1470 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1471 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1472 (OS_MISSING_ALTIVEC): Add.
1473 * config/i386/i386.c (override_options): Add
1474 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1475 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1476 -mkernel, -static or -mdynamic-no-pic is given.
1477 (C_COMMON_OVERRIDE_OPTIONS): Add.
1478 * config/darwin.opt (fapple-kext): Add.
1480 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1481 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1483 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1484 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1485 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1486 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1487 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1488 (flag_mkernel): Add.
1489 (flag_apple_kext): Add.
1490 (TARGET_KEXTABI): Add.
1491 * config/darwin.c (darwin_handle_kext_attribute): Add.
1492 (DARWIN_VTABLE_P): Add.
1493 (darwin_binds_local_p): Add partial support for rebinding vtables
1495 (darwin_kextabi_p): Add.
1496 (darwin_override_options): Add.
1497 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1498 (darwin_kextabi_p): Add.
1499 (darwin_override_options): Add.
1500 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1501 __DYNAMIC__ and __STATIC__ here.
1503 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1505 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1506 Added mention of "make pdf" target, and Texinfo requirements for
1509 2006-10-16 DJ Delorie <dj@redhat.com>
1511 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1512 into the GOT in case we need a subreg of the address.
1514 2006-10-16 Richard Guenther <rguenther@suse.de>
1517 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1518 SSE builtin documentation. Document SSE2 builtins.
1520 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1522 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1523 symbol in the output file for non-shared links when -nostdlib or
1524 -nodefaultlibs isn't specified.
1526 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1527 posix thread support.
1529 2006-10-15 Jan Hubicka <jh@suse.cz>
1532 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1533 declared always_inline even when not inlining.
1535 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1536 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1537 Andrew Pinski <pinskia@gmail.com>
1540 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1542 2006-10-15 Jan Hubicka <jh@suse.cz>
1543 Richard Guenther <rguenther@suse.de>
1546 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1547 process_function_and_variable_attributes on all variables, including
1548 those discovered during cgraph construction phase.
1550 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1552 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1554 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1556 * config/i386/athlon.md (athlon_fist): Add fisttp.
1558 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1559 Ian Lance Taylor <ian@airs.com>
1562 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1563 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1566 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1568 * config/score/score.c, config/score/score.h: Fix comment
1571 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1574 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1577 2006-10-13 Eric Christopher <echristo@apple.com>
1579 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1581 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1584 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1585 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1586 alignment supported by 32-bit ELF.
1588 2006-10-13 Eric Christopher <echristo@apple.com>
1590 * config/darwin.c (darwin_emit_unwind_label): Strip
1591 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1593 2006-10-13 Richard Guenther <rguenther@suse.de>
1595 PR tree-optimization/29446
1596 * tree-vrp.c (fix_equivalence_set): Remove.
1597 (extract_range_from_assert): Do not call fix_equivalence_set.
1598 (debug_value_range): Print a newline.
1599 (compare_name_with_value): For equivalence sets with
1600 inconsistent value ranges conservatively bail out.
1601 (compare_names): Likewise.
1603 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1605 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1606 and MPFR for gfortran.
1608 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1610 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1611 alignment supported by 32-bit ELF.
1613 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1617 * c-typeck.c (digest_init): Always allow initializing vectors
1618 that have static storage duration with compound literals.
1619 * tree.c (build_type_attribute_qual_variant): New, based on
1620 build_type_attribute_variant.
1621 (build_type_attribute_variant): Rewrite using the former.
1622 (make_vector_type): Use build_type_attribute_qual_variant to build
1623 type variants. Use type_hash_canon on the others.
1625 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1626 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1628 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1630 2006-10-12 Jan Hubicka <jh@suse.cz>
1633 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1634 current_function_decl is set but current_function_scope is not.
1636 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1638 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1639 emit_insn to emit eh_return_internal instruction.
1640 (eh_return_internal): Explicitly set pc.
1642 2006-10-11 Richard Guenther <rguenther@suse.de>
1644 PR tree-optimization/28230
1645 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1646 to the correct place.
1648 2006-10-11 Richard Guenther <rguenther@suse.de>
1651 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1654 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1656 * configure.ac: Added pdf to "Make-hooks"
1657 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1658 targets and *.pdf file patterns in cleanup targets.
1659 * configure: Regenerated.
1661 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1663 * config/avr/predicates.md: New file.
1664 * config/avr/avr.md: Include it.
1665 (REG_SP): New constant.
1666 (peepholes): Use predicates.
1667 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1668 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1669 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1671 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1673 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1676 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1679 * builtins.c (var_decl_component_p): New function.
1680 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1681 single entry optimization to variables and components thereof.
1683 2006-10-10 Richard Guenther <rguenther@suse.de>
1685 PR rtl-optimization/29323
1686 * except.c (set_nothrow_function_flags): For functions
1687 that do not bind local bail out early.
1689 2006-10-10 Ben Elliston <bje@au.ibm.com>
1691 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1694 2006-10-09 Richard Henderson <rth@redhat.com>
1696 Revert emutls patch.
1698 2006-10-09 Richard Guenther <rguenther@suse.de>
1701 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1704 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1707 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1708 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1709 * configure: Regenerate.
1710 * config.in: Regenerate.
1712 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1714 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1716 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1718 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1719 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1720 Remove stray newline.
1722 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1724 * config/mips/mips.c (mips_classify_symbol): Do not return
1725 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1726 (mips_in_small_data_p): Tweak comments.
1728 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1730 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1732 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1734 * gimplify.c, sched-int.h: Fix comment typos.
1736 * sched-int.h: Fix comment typos.
1738 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1740 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1742 * sched-ebb.c (begin_schedule_ready): Use them.
1743 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1744 add_to_speculative_block, create_check_block_twin, speculate_insn,
1745 fix_jump_move, move_block_after_check): Ditto.
1746 * sched-rgn.c (new_ready): Ditto.
1748 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1750 PR rtl-optimization/29128
1751 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1752 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1753 allow interblock movement of speculation checks.
1755 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1758 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1759 casted to integer type.
1760 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1761 if they are significantly more expensive than [reg + index] ones.
1763 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1765 PR tree-optimization/29330
1766 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1767 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1768 on newly allocated ddrs.
1769 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1770 to VEC (loop_p, heap) pointer.
1771 (compute_data_dependences_for_loop): Adjust caller.
1772 (free_dependence_relations): Free DDR_LOOP_NEST.
1774 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1775 free DEPENDENCE_RELATIONS and DATAREFS.
1778 * builtins.c (expand_builtin_sync_operation,
1779 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1780 Use convert_to_mode to handle promoted arguments.
1782 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1784 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1786 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1788 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1790 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1792 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1793 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1794 Use <modeconstraint> instead of "r" as operand 1 constraint.
1796 2006-10-06 Olivier Hainque <hainque@adacore.com>
1798 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1799 Don't recurse on the pointed-to type.
1800 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1801 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1802 types with components of variable size.
1804 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1806 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1808 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1810 PR tree-optimization/29290
1811 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1815 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1816 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1819 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1820 the number of vector elements fill the rest with zeros.
1822 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1824 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1825 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1828 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1830 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1831 unnamed pattern into subsi3. Use correct constraints/predicates.
1832 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1833 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1835 2006-10-05 Ira Rosen <irar@il.ibm.com>
1837 * doc/loop.texi: Add data references analysis description.
1839 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1841 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1843 2006-10-04 Richard Henderson <rth@redhat.com>
1844 Jakub Jelinek <jakub@redhat.com>
1846 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1847 * builtin-types.def (BT_WORD): Make unsigned.
1848 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1849 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1850 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1851 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1852 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1853 * cgraph.c (decide_is_variable_needed): Look at force_output.
1854 Recurse for emulated tls.
1855 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1856 checks redundant with decide_is_variable_needed.
1857 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1858 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1860 * expr.c (emutls_var_address): New.
1861 (expand_expr_real_1): Expand emulated tls.
1862 (expand_expr_addr_expr_1): Likewise.
1863 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1864 * output.h (emutls_finish): Declare.
1865 * toplev.c (compile_file): Call it.
1866 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1867 address before wrapping in CONST.
1868 * varasm.c (emutls_htab, emutls_object_type): New.
1869 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1870 (get_emutls_object_name, get_emutls_object_type): New.
1871 (get_emutls_init_templ_addr, emutls_decl): New.
1872 (emutls_common_1, emutls_finish): New.
1873 (assemble_variable): When emulating tls, swap decls; generate
1874 constructor for the emutls objects.
1875 (do_assemble_alias): When emulating tls, swap decl and target name.
1876 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1878 * emutls.c: New file.
1879 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1880 tls_object for real tls.
1882 2006-10-04 Zack Weinberg <zackw@panix.com>
1884 Fix bug in constraint-check generator, reported by Rask Ingemann
1886 * genpreds.c (add_constraint): Don't remove anything from the
1888 (write_tm_constrs_h): Detect whether "op" argument is used, and
1889 mark it ARG_UNUSED if it isn't.
1890 (write_insn_const_int_ok_for_constraint): Skip the part of the
1891 expression that would test whether "op" (which is not available
1892 here) is a CONST_INT.
1894 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1897 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1899 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1901 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1902 current Leopard versions.
1903 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1905 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1907 * doc/install.texi: Fix typos.
1909 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1911 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1912 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1913 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1915 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1917 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1918 arg to be struct mach_header_64* instead.
1920 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1923 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1924 side effects after the outer expression's post side effects.
1926 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1928 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1929 comments to reflect actual behavior and relationship between
1930 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1932 * doc/c-tree.texi (Working with declarations): Fix documentation
1933 of FIELD_DECL likewise.
1935 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1938 * doc/extend.texi: Add used variable attribute description.
1940 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1943 * c.opt (Woverride-init): New.
1944 * c-opts.c (c_common_post_options): Default warn_override_init to
1946 * c-typeck.c (add_pending_init, output_init_element): Warn for
1947 overriding initializers without side effects.
1948 * doc/invoke.texi (-Woverride-init): Document.
1951 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1953 PR rtl-optimization/28096
1954 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1955 assignment has already been used as a destination earlier in the block.
1957 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1959 * builtins.c (expand_builtin_setjmp): Delete.
1960 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1961 <BUILT_IN_SETJMP_SETUP>: New case.
1962 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1963 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1964 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1965 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1966 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1967 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1968 (lower_function_body): Initialize it to false. If it is set to true
1969 at the end of the processing, emit the setjmp dispatcher.
1970 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1971 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1972 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1973 on the rhs of the assignment.
1974 (lower_builtin_setjmp): New function.
1975 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1976 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1977 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1978 to detect calls that can go to non-local labels. Use specific
1979 helper to create the abnormal edges associated with them.
1980 <MODIFY_EXPR>: Likewise.
1981 (make_abnormal_goto_edges): New function extracted from...
1982 (make_goto_expr_edges): ...here. Call it for computed gotos.
1983 (simple_goto_p): Minor tweak.
1984 (tree_can_make_abnormal_goto): New predicate.
1985 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1986 (tree_purge_dead_abnormal_call_edges): New function.
1987 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1988 (tree_purge_dead_abnormal_call_edges): Likewise.
1989 (make_abnormal_goto_edges): Likewise.
1990 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1991 Purge all dead abnormal edges if the call was in the last statement.
1992 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1993 (execute_fixup_cfg): If there are non-local labels in the function,
1994 scan the basic blocks and split them at calls that can go to non-local
1995 labels or add missing abnormal call edges. Write down the CFG in the
1997 (pass_fixup_cfg): Remove TODO_dump_func flag.
1998 * unwind-sjlj.c: Poison setjmp.
1999 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2000 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2001 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2002 (DONT_USE_BUILTIN_SETJMP): Document it.
2004 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2007 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2008 to 1 when __ppc64__ is defined.
2009 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2011 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2013 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2015 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2016 * config/ia64/unwind-hpux.c: Delete.
2018 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2020 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2021 on the element before gimplifying it, instead of punting if it is of
2024 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2026 * doc/loop.texi: New file.
2027 * doc/gccint.texi: Reference loop.texi.
2028 * Makefile.in (loop.texi): Add.
2030 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2032 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2034 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2035 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2037 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2039 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2041 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2043 * doc/install.texi: Document required versions of GMP and MPFR.
2045 2006-09-27 Paul Brook <paul@codesourcery.com>
2048 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2050 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2052 * reload1.c (alter_reg): Require the alignment of the stack slot to
2053 be at least reg_max_ref_width bytes.
2054 (scan_paradoxical_subregs): Record the largest width in
2057 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2061 * tree-nested.c (struct nesting_info): Added static_chain_added.
2062 (convert_call_expr): Set static_chain_added when adding static
2063 chain. Handle OMP_PARALLEL and OMP_SECTION.
2065 2006-09-25 Matthias Klose <doko@debian.org>
2067 * doc/invoke.texi: Add missing full stop.
2069 2006-09-25 Richard Henderson <rth@redhat.com>
2071 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2072 before cgraph_function_flags_ready.
2074 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2075 Adam Nemet <anemet@caviumnetworks.com>
2077 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2078 determine_common_wider_type): New functions.
2079 (get_computation_aff): Use them to simplify arithmetic between
2080 UBASE and CBASE if they are shortened from the same type.
2082 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2085 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2086 -2147483647 - 1 instead of 0x80000000.
2088 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2090 * flags.h (HONOR_NANS): Fix typo in comment.
2092 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2094 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2096 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2100 * tree.c (merge_attributes, attribute_list_contained): If both
2101 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2103 * c-typeck.c (comptypes_internal): Don't consider aggregates
2104 in different TUs as compatible if there one set of attributes is
2105 not a subset of the other type's attributes.
2106 (composite_type): Try harder not to create a new aggregate type.
2108 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2110 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2111 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2112 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2113 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2114 than replicating condition above.
2115 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2117 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2118 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2119 the linker by default.
2121 2006-09-22 Mike Stump <mrs@apple.com>
2123 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2126 2006-09-22 Richard Guenther <rguenther@suse.de>
2129 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2130 sort of stack variables stable.
2132 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2135 * explow.c (force_reg): Set REG_POINTER flag according to
2138 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2140 PR tree-optimization/28888
2141 * tree-if-conv.c (combine_blocks): Rewritten.
2142 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2143 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2145 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2147 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2150 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2152 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2154 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2156 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2158 2006-09-21 Roger Sayle <roger@eyesopen.com>
2161 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2162 dw_fde_current_label, to be the start of the function, i.e. the same
2163 value as dw_fde_begin.
2165 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2167 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2168 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2169 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2170 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2171 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2172 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2173 (abs<mode>2, neg<mode>2): Likewise.
2174 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2175 (*mips_abs_ps): New define_insn.
2177 2006-09-20 Josh Conner <jconner@apple.com>
2180 * calls.c (expand_call): Allow reuse of structure return stack
2183 2006-09-20 Paul Brook <paul@codesourcery.com>
2185 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2188 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2190 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2191 clean up terminology.
2193 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2196 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2197 with tablejumps in them.
2199 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2202 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2203 wrap it into TARGET_EXPR.
2205 2006-09-20 Eric Christopher <echristo@apple.com>
2207 * config/i386/i386.c (x86_fisttp): Remove.
2208 * config/i386/i386.h (x86_fisttp): Ditto.
2209 (TARGET_FISTTP): Ditto.
2211 2006-09-19 Eric Christopher <echristo@apple.com>
2213 * doc/tm.texi (OBJC_JBLEN): Describe.
2214 * config/i386/darwin.h (OBJC_JBLEN): Define.
2215 * config/rs6000/darwin.h: Ditto.
2217 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2219 PR rtl-optimization/21299
2220 * reload1.c (reload): Purge invalid ASMs in the final pass.
2222 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2225 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2226 pointers as legitimate constants.
2228 2006-09-19 Paul Brook <paul@codesourcery.com>
2231 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2233 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2235 PR tree-optimization/28887
2236 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2237 component parts from the reference.
2238 (gather_memory_references_ref): Record the reference without the
2239 nonaddressable component parts.
2241 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2244 * c-opts.c (c_common_handle_option): Ignore the -std options
2245 if the input language is assembly.
2247 2006-09-17 Ira Rosen <irar@il.ibm.com>
2250 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2252 (ptr_ptr_may_alias_p): Likewise.
2253 (record_record_differ_p): New function.
2254 (base_object_differ_p): Call record_record_differ_p.
2256 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2259 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2260 away for the expr argument.
2262 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2265 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2266 before using it for dumping after vectorizing loops.
2268 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2269 Jack Howarth <howarth@bromo.med.uc.edu>
2272 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2273 skip on error_mark_node.
2274 (rs6000_darwin64_record_arg_recurse): Likewise.
2276 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2278 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2279 * doc/rtl.texi: Remove related documentation.
2281 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2283 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2286 2006-09-15 Jim Wilson <wilson@specifix.com>
2288 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2289 Handle symbol offsets same as they are handled in ia64_expand_move
2292 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2294 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2295 Add forgotten parameter to the fprintf call.
2297 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2299 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2301 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2303 * doc/contrib.texi: Add my entry.
2305 2006-09-15 Nick Clifton <nickc@redhat.com>
2307 * doc/md.texi (Processor pipeline description): Fix typo in
2308 example of how to use the absence_set directive and reword the
2309 description to make it slightly easier to read.
2311 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2313 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2314 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2315 expanding the number of iterations.
2316 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2318 * cfgrtl.c (emit_insn_at_entry): New function.
2319 * rtl.h (emit_insn_at_entry): Declare it.
2320 * integrate.c (emit_initial_value_sets): Use it.
2322 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2324 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2326 (struct loop_work and related VEC declarations): Delete.
2327 (bfin_dump_loops): Print out new member bad.
2328 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2329 (bfin_scan_loop): Don't recurse.
2330 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2331 loops. No longer need to update outer loops if the current one is
2332 found bad. Move some validitiy checks to bfin_discover_loop.
2333 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2334 but changed not to check for nesting. Also changed to use the new bad
2336 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2337 time. Use bitmap based test to discover loop nesting.
2339 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2341 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2344 2006-09-14 Richard Guenther <rguenther@suse.de>
2345 Kazu Hirata <kazu@codesourcery.com>
2347 PR middle-end/28884.
2348 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2349 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2350 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2351 with TARGET_FUNCTION_VALUE.
2353 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2356 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2358 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2360 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2363 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2366 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2369 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2371 * basic_block.h (bb_has_eh_pred): Fix comment.
2373 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2375 * flow.c (calculate_global_regs_live): Invalidate eh registers
2376 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2377 (propagate_block): Handle eh registers as if they were set at basic
2379 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2381 * global.c (global_conflicts): Make eh registers to conflict with
2382 pseudos live at basic block begin.
2383 * basic_block.h (bb_has_eh_pred): New function.
2385 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2387 PR rtl-optimization/28982
2388 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2389 index of a PRE_MODIFY or POST_MODIFY address.
2390 * reload1.c (inc_for_reload): Use find_replacement on the original
2391 base and index registers.
2393 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2395 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2396 for -Os. Update __m128 alignment requirement.
2398 2006-09-13 Jan Hubicka <jh@suse.cz>
2400 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2402 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2404 PR rtl-optimization/28243
2405 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2406 the insn to which the note was originally attached.
2408 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2409 Roger Sayle <roger@eyesopen.com>
2411 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2412 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2413 on platforms that don't use dwarf for debug info.
2415 2006-09-12 Jason Merrill <jason@redhat.com>
2418 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2419 hard_frame_pointer_rtx after using it to update the frame pointer.
2421 2006-09-12 Roger Sayle <roger@eyesopen.com>
2423 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2424 (TARGET_ASM_CLOSE_PAREN): Likewise.
2425 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2426 (TARGET_ASM_CLOSE_PAREN): Likewise.
2428 2006-09-12 Roger Sayle <roger@eyesopen.com>
2431 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2432 frame information for frames larger than 512 Kbytes on Tru64 when
2433 using the native assembler.
2435 2006-09-12 Roger Sayle <roger@eyesopen.com>
2439 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2440 and symbols. Instead use the implementation from cse.c's hash_rtx.
2442 2006-09-12 Jan Hubicka <jh@suse.cz>
2444 PR rtl-optimization/28071
2445 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2446 (vect_transform_loop): Likewise.
2447 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2448 (new_loop_vec_info): Likewise.
2449 (destroy_loop_vec_info): Likewise.
2450 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2451 (create_stmt_ann): Likewise.
2452 (create_tree_ann): Rename to ...
2453 (create_tree_common_ann): ... this one; allocate only the common part
2455 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2456 (get_value_handle): Likewise.
2457 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2458 get_tree_common_ann.
2459 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2460 (vinfo_for_stmt): Use stmt annotations.
2461 * tree-flow.h (tree_ann_common_t): New type.
2462 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2463 (tree_ann, get_tree_ann, create_tree_ann): New.
2464 * tree-flow-inline.h (get_function_ann): Do more type checking.
2465 (stmt_ann): Likewise.
2466 (tree_ann): Rename to ...
2467 (tree_common_ann): ... this one; return ony common_ann
2468 (get_tree_ann): Rename to ...
2469 (tree_common_ann): This one; return only common_ann.
2470 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2473 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2475 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2476 with_cpu by default.
2478 * dwarf2out.c (dwarf_file_data): New.
2479 (enum dw_val_class): Add dw_val_class_file.
2480 (struct dw_val_struct): Add val_file.
2481 (file_table): Change to a hash table.
2482 (file_table_emitted): Delete.
2483 (file_table_last_lookup_index): Delete.
2484 (emitcount): Delete.
2485 (last_emitted_file): New.
2486 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2487 (init_file_table): Delete.
2488 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2489 (AT_addr): Add comment.
2493 (print_die): Handle dw_val_class_file.
2494 (print_dwarf_line_table): Update for new file table structure.
2495 (attr_checksum): Do checksum a filename.
2496 (same_dw_val_p, same_attr_p): Do compare a filename.
2497 (size_of_die): Handle dw_val_class_file.
2498 (value_format): Likewise.
2499 (output_die): Likewise. Also, call maybe_emit_file here.
2500 (struct file_info): Constify filenames. Make file_idx a pointer
2501 to a struct dwarf_file_data.
2502 (struct dir_info): Constify directory names. Remove 'used' field.
2503 (struct file_name_acquire_data): New.
2504 (file_name_acquire): New.
2505 (output_file_names): Modify to handle new file data structures.
2506 (add_src_coords_attributes): Use add_AT_file.
2507 (add_call_src_coords_attributes): Likewise.
2508 (dwarf2out_imported_module_or_decl): Likewise.
2509 (gen_subprogram_die): Modify for new file data structures.
2510 (gen_variable_die): Likewise.
2511 (file_table_eq): New.
2512 (file_table_hash): New.
2513 (file_table_last_lookup): New.
2514 (lookup_filename): Rewrite to handle new file data structures.
2515 (maybe_emit_file): Rewrite to handle new file data structures.
2516 (dwarf2out_source_line): Always call lookup_filename and
2518 (dwarf2out_init): Create file_table here.
2519 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2520 (file_table_relative_p): New.
2521 (dwarf2out_finish): Change detection of relative filenames
2522 to work with new file data structures. Move output_line_info call
2523 after debug_info output.
2525 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2530 * config/i386/i386.c (override_options): Always default to 16
2531 byte stack boundary.
2533 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2536 * var-tracking.c (dump_dataflow_set): Start dumping at
2538 (clobber_variable_part): Kill only the variable part in
2539 registers holding it, leaving other variables alone.
2541 2006-09-11 Josh Triplett <josh@freedesktop.org>
2543 * doc/extend.texi (Other Builtins): Actually use the macro
2544 argument in the documentation example for
2545 __builtin_types_compatible_p.
2547 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2549 PR rtl-optimization/28726
2550 * sched-deps.c (sched_analyze_reg): New function extracted from...
2551 (sched_analyze_1): ...here. Call it to analyze references to
2552 registers. Treat again writes to a stack register as writing to the
2554 (sched_analyze_2): ...and here. Call it to analyze references to
2555 registers. Treat again reads of a stack register as reading the
2558 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2559 David Edelsohn <edelsohn@gnu.org>
2562 * config/rs6000/spe.md (frob_df_di): Remove %H.
2563 (frob_di_df): Remove %H. Change evmergelo to mr.
2564 (frob_di_df_2): Remove %H. Change evldd to two loads.
2566 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2568 * doc/cpp.texi: Fix names of charset options.
2570 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2573 * config/i386/i386.c (override_options): Use 128-bit
2574 stack boundary always for 64bits.
2576 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2578 PR rtl-optimization/28636
2579 * combine.c (force_to_mode): Test for side-effects before
2580 substituting by zero.
2581 (simplify_shift_const): Likewise for zero or other constants.
2583 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2586 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2589 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2592 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2593 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2594 returned by mode_for_size, rather than the mode of src itself,
2595 to choose between 32-bit and 64-bit patterns.
2596 (mips_mem_fits_mode_p): New function.
2597 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2598 that the size of the source matches the size of the destination.
2599 (mov_<store>l, mov_<store>r): Likewise.
2601 2006-09-10 Eric Christopher <echristo@apple.com>
2603 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2606 2006-09-09 Eric Christopher <echristo@apple.com>
2609 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2612 2006-09-09 Roger Sayle <roger@eyesopen.com>
2613 Nicolas Setton <setton@adacore.com>
2615 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2617 2006-09-10 Andreas Schwab <schwab@suse.de>
2619 * config/m68k/m68k.md (bungt_rev): New pattern.
2621 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2622 Dale Johannesen <dalej@apple.com>
2625 * regclass.c (struct reg_pref): Update documentation.
2626 (regclass): Set prefclass to NO_REGS if memory is the best option.
2627 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2629 2006-09-08 Eric Christopher <echristo@apple.com>
2631 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2632 * config/t-slibgcc-darwin: Support x86_64 multilib.
2633 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2634 Return 1 for x86_64-darwin.
2635 * config/i386/t-darwin: Add m64 multilib.
2636 (LIB2_SIDITI_CONV_FUNCS): Use.
2637 (LIB2FUNCS_EXTRA): Ditto.
2638 * config/i386/darwin.h: Support x86_64.
2639 * config/i386/i386.c (override_options): Turn on flag_pic
2640 for x86_64-darwin. Disable flag_omit_pointer.
2641 (get_pc_thunk_name): Assert !TARGET_64BIT.
2642 (legitimate_address_p): Disable machopic addressing for
2644 (legitimize_pic_address): Ditto.
2645 (ix86_expand_move): Ditto.
2646 (ix86_expand_call): Ditto.
2647 (machopic_output_stub): Ditto.
2648 * config/darwin.c (machopic_select_section): Support literal16.
2649 (machopic_select_rtx_section): Ditto.
2650 * config/darwin-sections.def: Ditto.
2651 * config/darwin-64.c: New.
2653 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2656 * c-tree.h (struct c_arg_info): Add pending_sizes.
2657 * c-parser.c (c_parser_parms_declarator,
2658 c_parser_parms_list_declarator): Initialize pending_sizes.
2659 * c-decl.c (get_parm_info): Initialize pending_sizes.
2660 (get_parm_info): Set pending_sizes.
2661 (grokdeclarator): Call put_pending_sizes for parameters for
2662 function definition only.
2664 2006-09-07 Jason Merrill <jason@redhat.com>
2667 * varasm.c (output_constant): Only strip actual no-op conversions.
2670 * config/i386/i386.c (override_options): Use 128-bit
2671 stack boundary if -msse.
2673 2006-09-07 Eric Christopher <echristo@apple.com>
2675 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2677 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2680 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2682 * dwarf2out.c: Remove strange characters from comment above
2683 dwarf2out_frame_debug_expr.
2685 2006-09-07 Eric Christopher <echristo@apple.com>
2687 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2688 * config/darwin.h: ... to here.
2690 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2692 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2694 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2695 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2697 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2698 TARGET_PARTIAL_FLAG_REG_STALL.
2699 (*ashldi3_cconly_rex64): Likewise.
2700 (*ashlsi3_cmp): Likewise.
2701 (*ashlsi3_cconly): Likewise.
2702 (*ashlsi3_cmp_zext): Likewise.
2703 (*ashlhi3_cmp): Likewise.
2704 (*ashlhi3_cconly): Likewise.
2705 (*ashlqi3_cmp): Likewise.
2706 (*ashlqi3_cconly): Likewise.
2707 (*ashrdi3_cmp_rex64): Likewise.
2708 (*ashrdi3_cconly_rex64): Likewise.
2709 (*ashrsi3_cmp): Likewise.
2710 (*ashrsi3_cconly): Likewise.
2711 (*ashrsi3_cmp_zext): Likewise.
2712 (*ashrhi3_cmp): Likewise.
2713 (*ashrhi3_cconly): Likewise.
2714 (*ashrqi3_cmp): Likewise.
2715 (*ashrqi3_cconly): Likewise.
2716 (*lshrdi3_cmp_rex64): Likewise.
2717 (*lshrdi3_cconly_rex64): Likewise.
2718 (*lshrsi3_cmp): Likewise.
2719 (*lshrsi3_cconly): Likewise.
2720 (*lshrsi3_cmp_zext): Likewise.
2721 (*lshrhi3_cmp): Likewise.
2722 (*lshrhi3_cconly): Likewise.
2723 (*lshrqi2_cmp): Likewise.
2724 (*lshrqi2_cconly): Likewise.
2726 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2729 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2730 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2731 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2732 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2733 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2734 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2735 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2736 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2737 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2738 implement only CC setting effects of shift instructions.
2740 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2742 * doc/contrib.texi: Add myself.
2744 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2747 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2748 was set by the user.
2750 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2753 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2754 (divsi_inv_m1): Use them.
2755 (UNSPEC_DIV_INV_TABLE): New constant.
2757 2006-09-06 James E Wilson <wilson@specifix.com>
2760 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2761 then call count_or_remove_death_notes.
2763 2006-09-06 Jason Merrill <jason@redhat.com>
2766 * tree-inline.c (copy_result_decl_to_var): New fn.
2767 (declare_return_variable): Use it. Call declare_inline_vars here.
2768 (expand_call_inline): Not here.
2770 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2772 * doc/contrib.texi: Update my entry.
2774 2006-09-06 Nick Clifton <nickc@redhat.com>
2776 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2778 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2781 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2782 (canonicalize_induction_variables): Likewise.
2783 (tree_unroll_loops_completely): Likewise.
2784 (tree_ssa_prefetch_arrays): Likewise.
2785 (remove_empty_loops): Likewise.
2786 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2787 TODO_cleanup_cfg instead of directly calling
2788 cleanup_tree_cfg_loop.
2789 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2791 (tree_unroll_loops_completely): Likewise.
2792 (remove_empty_loops): Likewise.
2793 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2794 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2795 of tree_ssa_unswitch_loops.
2796 (tree_ssa_loop_ivcanon): Use the return value of
2797 canonicalize_induction_variables.
2798 (tree_ssa_empty_loop): Use the return value of
2800 (tree_complete_unroll): Use the return value of
2801 tree_unroll_loops_completely.
2802 (tree_ssa_loop_prefetch): Use the return value of
2803 tree_ssa_prefetch_arrays.
2804 * passes.c (execute_todo): Before Cleanup CFG, set
2805 updating_used_alone and after cleanup CFG, call
2806 recalculate_used_alone.
2808 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2811 * tree-vect-transform.c (vectorizable_condition): Move the check
2812 for the type after the check for simple condition.
2814 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2815 Kaz Kojima <kkojima@gcc.gnu.org>
2818 * mode-switching.c (optimize_mode_switching): Make the destination
2819 block of an abnormal edge have no anticipatable mode. Don't
2820 insert mode switching code at the end of the source block of
2823 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2825 PR rtl-optimization/26847
2826 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2827 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2828 (simplify_plus_minus): Count n_constants while filling ops. Replace
2829 qsort with insertion sort. Before going through the array to simplify
2830 pairs, sort it. Delay early exit until after the first sort, exiting
2831 only if no swaps occurred. Simplify pairs in reversed order, without
2832 special-casing the first iteration. Pack ops after simplifying pairs.
2834 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2836 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2837 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2838 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2839 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2841 2006-09-05 Richard Guenther <rguenther@suse.de>
2843 PR tree-optimization/28900
2844 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2845 compound conditional before creating COND_EXPR condition.
2847 2006-09-05 Richard Guenther <rguenther@suse.de>
2849 PR tree-optimization/28905
2850 * tree-vrp.c (fix_equivalence_set): Manually implement
2851 !value_ranges_intersect_p to also handle symbolic ranges.
2853 2006-09-05 Richard Guenther <rguenther@suse.de>
2856 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2859 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2861 PR rtl-optimization/27616
2862 * cse.c (table_size): New static variable.
2863 (new_basic_block): Initialize it to 0.
2864 (remove_from_table): Decrement it.
2865 (insert): Increment it.
2866 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2867 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2868 fold_rtx_mem_1 if under the cap.
2869 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2870 the lookup of the equivalent expression and test for equality of the
2871 first operand of the equivalent expression before in turn looking up
2872 an equivalent constant for the second operand.
2874 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2877 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2878 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2879 pointer, instead of assuming it is possible to derive the
2880 correct args size from a call insn.
2882 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2885 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2886 (fold_builtin_mempcpy): Rename to...
2887 (fold_builtin_memory_op): ... this. Optimize one element copy
2889 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2891 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2892 (expand_builtin_memcpy, expand_builtin_mempcpy,
2893 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2894 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2895 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2896 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2898 2006-09-01 DJ Delorie <dj@redhat.com>
2900 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2901 (stzx_16): Likewise.
2902 ("stzx_24_<mode>"): Likewise.
2903 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2904 ("cmp<mode>_op"): New.
2905 (cmp<mode>): Change to expander; just save operands.
2907 (b<code>): Change to expander, emit compare here.
2908 (s<code>_op): Change to use split and expander.
2909 (s<code>_24_op): Likewise.
2910 (s<code>_<mode>): New.
2911 (s<code>_<mode>_24): New.
2912 (movqicc_<code>_<mode): New.
2913 (movhicc_<code>_<mode>): New.
2916 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2917 (m32c_pend_compare): New.
2918 (m32c_unpend_compare): New.
2919 (m32c_expand_scc): New.
2920 (m32c_expand_movcc): Emit the compare also.
2921 * config/m32c/predicates.md (mra_nopp_operand): New.
2923 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2924 Richard Guenther <rguenther@suse.de>
2925 Adam Nemet <anemet@caviumnetworks.com>
2928 * builtins.c (get_pointer_alignment): Handle more forms
2929 of base addresses that can be used to derive more precise
2930 information about alignment.
2932 2006-09-01 Jason Merrill <jason@redhat.com>
2935 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2938 * gimplify.c (voidify_wrapper_expr): Handle null type.
2940 2006-09-01 Josh Conner <jconner@apple.com>
2943 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2944 (execute_return_slot_opt): Use it.
2946 2006-08-31 Josh Conner <jconner@apple.com>
2949 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2950 returning aggregates.
2952 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2954 PR tree-optimization/28839
2955 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2956 blocks in that phi arguments appear.
2958 2006-08-31 Roger Sayle <roger@eyesopen.com>
2961 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2962 NULL, otherwise use an advance_loc4 to adjust relative to the
2964 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2965 (dwarf2out_switch_text_section): Reset the current label to avoid
2966 using advance_loc4 over section boundaries.
2968 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2971 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2972 r12 + SYMBOLIC_CONST.
2974 2006-08-30 Richard Guenther <rguenther@suse.de>
2976 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2978 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2980 PR rtl-optimization/27735
2981 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2982 Add new argument to keep track of whether an irreducible region
2983 was affected. All callers changed.
2984 (fix_irreducible_loops): Removed.
2985 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2986 flags were invalidated.
2988 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2990 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2991 instead of SF operands.
2992 (*fop_df_comm_sse): Likewise.
2993 (*fop_df_comm_i387): Likewise.
2994 (*fop_df_1_mixed): Likewise.
2995 (*fop_df_1_sse): Likewise.
2997 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2998 J"orn Rennecke <joern.rennecke@st.com>
3000 PR tree-optimization/17506
3001 * tree-ssa.c (warn_uninit): If warning about a location outside of
3002 the current function, note where the variable was declared.
3004 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3006 PR tree-optimization/28411
3007 * double-int.c (double_int_div): Use double_int_divmod.
3008 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3009 double_int_mod, double_int_smod, double_int_umod): New functions.
3010 * double-int.h (double_int_divmod, double_int_sdivmod,
3011 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3013 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3015 (get_computation_aff, get_computation_cost_at): Handle double_int
3016 return type of constant_multiple_of.
3018 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3021 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3022 an implicit conversion.
3024 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3026 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3028 2006-08-27 Roger Sayle <roger@eyesopen.com>
3030 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3033 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3035 * config/i386/crtfastmath.c: Fix a comment typo.
3037 2006-08-26 Roger Sayle <roger@eyesopen.com>
3039 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3040 temporary visit flags on CASE_LABEL_EXPRs.
3041 * c-common.c (match_case_to_enum): Add function comment. Avoid
3042 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3043 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3044 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3045 a constant, only warn if that constant value isn't handled.
3047 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3050 * input.h (restore_input_file_stack): Declare.
3051 (INPUT_FILE_STACK_BITS): Define.
3052 * toplev.c (fs_p, input_file_stack_history,
3053 input_file_stack_restored, restore_input_file_stack): New.
3054 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3055 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3056 (pop_srcloc): Don't free old state of stack.
3058 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3061 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3062 (PowerPC Type Attributes): New.
3064 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3066 * config/xtensa/xtensa.c (function_arg_boundary): New.
3067 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3069 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3070 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3072 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3075 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3078 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3080 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3081 (verify_local_live_at_start): Likewise.
3083 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3086 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3087 omp_add_variable): Treat sizes as variable whenever not
3090 2006-08-26 Richard Guenther <rguenther@suse.de>
3093 * fold-const.c (fold_binary): Fold temporary to correct
3094 type before constructing new comparison.
3096 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3099 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3100 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3102 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3105 * c-decl.c (start_function): Don't try to process prototype
3106 information from old declaration that isn't a function.
3108 2006-08-25 Jan Hubicka <jh@suse.cz>
3111 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3113 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3116 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3119 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3121 PR tree-optimization/16876
3122 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3123 exit if PARM doesn't match VALUE.
3125 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3127 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3128 literal_prefix directive.
3129 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3130 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3131 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3133 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3136 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3137 predicate to general_operand. Add 0->y and I->r alternatives.
3139 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3141 * doc/tm.texi: Fix a typo.
3142 * predict.c: Fix comment typos.
3144 2006-08-25 Nick Clifton <nickc@redhat.com>
3146 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3147 assertions of "cpu" and "machine".
3149 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3152 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3153 the access through a base which has an alias set of 0 cannot
3156 2006-08-24 Bill Wendling <wendling@apple.com>
3158 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3160 2006-08-24 Jan Hubicka <jh@suse.cz>
3162 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3164 2006-08-24 Jan Hubicka <jh@suse.cz>
3167 * cgraph.c: Fix comments.
3168 (cgraph_varpool_mark_needed_node): Mark only variables not already
3170 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3171 (cgraph_varpool_assembled_nodes_queue): New static variable.
3172 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3173 (cgraph_varpool_output_debug_info): New function.
3174 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3175 * Makefile.in: Add gt-cgraphunit.h
3177 2006-08-24 Jan Hubicka <jh@suse.cz>
3179 * predict.c (probability_reliable_p): New predicate.
3180 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3181 (predict_loops): Do not predict loop exit with less than 2%
3183 * basic-block.h (edge_probability_reliable_p,
3184 br_prob_note_reliable_p): Declare.
3185 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3186 prediction when static predictor is not reliable.
3187 * rs6000.c (output_cbranch): Likewise.
3189 2006-08-23 Stuart Hastings <stuart@apple.com>
3192 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3193 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3195 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3198 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3199 complex values, nor for generic vector values.
3201 2006-08-22 Richard Guenther <rguenther@suse.de>
3204 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3205 parameter. Convert arguments to arithmetic expression to the
3207 (analyze_scalar_evolution_1): Adjust caller.
3209 2006-08-22 Jan Hubicka <jh@suse.cz>
3211 Patch by Paolo Bonzini
3212 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3215 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3217 PR tree-optimization/28003
3218 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3219 before grouping aliases.
3221 2006-08-22 Roger Sayle <roger@eyesopen.com>
3223 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3224 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3226 2006-08-21 Jason Merrill <jason@redhat.com>
3229 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3230 wrapper. Loop to handle nested wrappers.
3231 (gimplify_bind_expr): Remove temp parameter.
3232 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3233 and STATEMENT_LIST on the rhs.
3234 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3235 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3236 (gimplify_target_expr): Remove special BIND_EXPR handling.
3238 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3240 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3243 2006-08-21 Olivier Hainque <hainque@adacore.com>
3245 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3246 Arrange for the temporary captures of components overlapping the lhs
3247 to happen before the lhs is possibly cleared.
3249 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3251 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3252 necessary places to pass the correct "number of registers" values
3255 2006-08-20 Jan Hubicka <jh@suse.cz>
3257 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3258 (create_name_tags): Instead of quadratic checking use hashtable.
3259 * bitmap.h: Include hashtab.h.
3260 (bitmap_hash): Declare.
3261 * bitmap.c (bitmap_hash): New function.
3263 2006-08-20 Jan Hubicka <jh@suse.cz>
3265 PR rtl-optimization/28071
3266 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3268 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3269 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3270 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3271 cgraph_decide_inlining_incrementally): Update use of
3272 cgraph_check_inline_limits.
3273 * cgraph.c (edge_hash, edge_eq): New function.
3274 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3275 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3276 cgraph_remove_node): Maintain call site hash.
3277 * cgraph.h (struct cgraph_node): Add call_site_hash.
3278 (cgraph_set_call_stmt): New function.
3280 2006-08-20 Jan Hubicka <jh@suse.cz>
3282 PR rtl-optimization/28071
3283 * reload1.c (reg_has_output_reload): Turn into regset.
3284 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3285 choose_reload_regs, emit_reload_insns): Update to new
3286 reg_has_output_reload.
3288 2006-08-20 Jan Hubicka <jh@suse.cz>
3291 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3292 function body sizes.
3293 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3295 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3298 * tree.c (handle_dll_attribute): Return early if not a
3299 var or function decl.
3301 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3304 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3305 alignment of SPE vector types.
3307 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3309 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3311 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3314 * cgraph.h (struct cgraph_node): Remove externally_visible
3316 * cgraphunit.c (process_function_and_variable_attributes): Set
3317 local.externally_visible rather than externally_visible.
3320 * c-common.c (handle_externally_visible_attribute): First look
3321 at TREE_CODE and only if it is function or var decl, check for
3322 non-public objects. Don't warn for DECL_EXTERNAL.
3323 * cgraphunit.c (process_function_and_variable_attributes): Warn
3324 if externally_visible attribute is used on non-public object.
3326 2006-08-17 Jan Hubicka <jh@suse.cz>
3328 PR tree-optimization/27865
3329 * reload1.c (forget_marked_reloads): New function.
3330 (forget_old_reloads_1): When data are passed, just mark the registers
3332 (reload_as_needed): Use the new mechanizm.
3334 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3337 * reload.h (reg_equiv_alt_mem_list): New declaration.
3338 * reload1.c (reg_equiv_alt_mem_list): New definition.
3339 (reload): Initialize it and release it.
3340 (delete_output_reload): Use it.
3341 * reload.c (push_reg_equiv_alt_mem): New function.
3342 (find_reloads_toplev): Call it.
3343 (find_reloads_address, find_reloads_address_1): Likewise.
3344 (find_reloads_subreg_address): Likewise.
3346 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3348 PR rtl-optimization/28489
3349 * sched-ebb.c (begin_schedule_ready): Create basic block
3351 (advance_target_bb): Skip empty blocks.
3352 * haifa-sched.c (bb_note): Make global.
3353 * sched-int.h (bb_note): Add prototype.
3355 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3357 PR tree-optimization/27865
3358 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3360 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3361 fold_used_pointer, pointer_used_p): New functions.
3362 (analyze_scalar_evolution_1): Use fold_used_pointer.
3363 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3364 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3367 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3370 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3371 or the INTEGER_CST. Fail on a CALL_EXPR.
3372 (fold_offsetof): Pass new argument to fold_offsetof_1.
3373 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3374 operand into an INDIRECT_REF.
3375 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3377 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3379 PR gcov/profile/26570
3380 * value-prof.c (static_values): Removed.
3381 (tree_find_values_to_profile): Do not set static_values.
3382 (find_values_to_profile): Do not free static_values.
3383 * profile.c (instrument_values): Do not free the values.
3384 (branch_prob): Free the values.
3386 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3388 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3390 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3393 * c-typeck.c (build_component_ref): Combine qualifiers of
3394 structure or union and field.
3396 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3398 PR rtl-optimization/28071
3399 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3400 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3401 * tree-into-ssa.c (struct dom_dfsnum): New.
3402 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3404 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3405 compute_global_livein.
3406 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3407 in phi nodes in the correct blocks.
3409 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3411 PR tree-optimization/28364
3412 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3414 (fold_affine_expr): New function.
3415 (may_eliminate_iv): Use fold_affine_expr.
3417 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3420 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3423 2006-08-16 Mike Stump <mrs@apple.com>
3425 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3426 * doc/cppopts.texi (-MD): Likewise.
3428 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3431 * c-common.c (handle_weak_attribute): Ignore and warn if
3432 not a FUNCTION_ or VAR_DECL.
3434 2006-07-15 Mike Stump <mrs@apple.com>
3437 * c-parser.c (c_parser_typeof_specifier): Don't use
3438 c_finish_expr_stmt, open code desired semantics instead.
3440 2006-08-15 Nick Clifton <nickc@redhat.com>
3442 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3443 fragment to tmake_file only if threads are enabled.
3444 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3445 * config/i386/t-gthr-win32: New file. ... here.
3447 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3450 * c-parser.c (c_parser_compound_statement_nostart): Reset
3451 parser->error after each statement.
3453 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3456 * omp-low.c (lower_omp_parallel): Convert t to
3457 receiver_decl's type.
3458 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3459 source before comparison.
3462 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3463 to itype in assignment to oldival2.
3465 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3469 * c-typeck.c (build_compound_expr): If the second expression
3470 is an error mark, then just return an error mark instead of
3471 creating a COMPOUND_EXPR.
3473 2006-07-14 Mike Stump <mrs@apple.com>
3475 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3477 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3479 * c-decl.c, var-tracking.c: Fix comment typos.
3481 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3483 PR rtl-optimization/28634
3484 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3485 for floating-point modes unless flag_unsafe_math_optimizations.
3487 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3488 Andrew Pinski <pinskia@physics.uc.edu>
3491 * tree.c (build_array_type): Unify array types with
3492 unspecified index_type.
3493 * c-decl.c (grokdeclarator): Make sure we do not modify a
3494 unified incomplete array type.
3495 * c-typeck.c (store_init_value): Create distinct type before
3496 filling in the index type in an initializer from a compound
3499 * c-decl.c (grokdeclarator): Remove code where we copy the
3502 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3504 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3505 into account for TODO_dump_cgraph.
3506 (TODO_update_ssa_no_phi): Likewise.
3507 (TODO_update_ssa_full_phi): Likewise.
3508 (TODO_update_ssa_only_virtuals): Likewise.
3509 (TODO_remove_unused_locals): Likewise.
3510 (TODO_set_props): Likewise.
3511 (TODO_update_stmt_usage): Likewise.
3513 2006-08-13 Dirk Mueller <dmueller@suse.de>
3515 * c-common.c (strict_aliasing_warning): Fix formatting.
3517 2006-08-13 Matthias Klose <doko@debian.org>
3519 * doc/invoke.texi: Fix spelling errors.
3521 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3523 PR rtl-optimization/23454
3524 * reorg.c (relax_delay_slots): Update comment.
3526 2006-08-11 Richard Guenther <rguenther@suse.de>
3529 * simplify-rtx.c (simplify_const_relational_operation):
3530 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3533 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3535 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3536 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3538 2006-08-10 Paul Brook <paul@codesourcery.com>
3540 * final.c (final_scan_insn): Clear current_insn_predicate before
3541 outputting inline asm.
3543 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3545 PR tree-optimization/26197
3546 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3547 get_ref_base_and_extent and overlap_subvar to add only relevant
3548 subvars as may-aliases.
3549 (add_may_alias_for_new_tag): New function, factored out of
3551 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3552 with additional argument.
3553 * tree-flow.h (new_type_alias): Takes additional argument.
3555 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3557 * gcov.c (no_data_file): New flag.
3558 (read_count_file): Set it if data file not present. Assume counts
3560 (output_lines): Don't name the data file, if there wasn't one.
3562 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3564 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3565 (rs6000_generate_compare): Tweak comments.
3566 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3568 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3570 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3571 (var_debug_decl): New function.
3572 (var_reg_set): Follow debug decl link. Add location even if
3573 reg is already known to hold some other variable.
3574 (var_mem_set): Follow debug decl link.
3575 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3576 decl link. Delete other known locations of the variable part
3578 (var_reg_delete, var_mem_delete): Delete other known locations
3579 of the variable part if requested.
3580 (same_variable_part_p): New function.
3581 (add_stores): Select MO_COPY when appropriate.
3582 (vt_initialize): Handle it.
3583 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3584 known locations for MO_SET and MO_CLOBBER.
3585 (find_variable_location_part): New function.
3586 (set_variable_part, delete_variable_part): Use it.
3587 (clobber_variable_part): New function.
3588 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3591 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3593 PR tree-optimization/26969
3594 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3595 with an empty list of PHIs.
3597 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3601 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3604 2006-08-06 Andreas Schwab <schwab@suse.de>
3606 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3607 string. Whitespace and comment fixup.
3609 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3612 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3616 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3619 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3621 2006-08-04 Jan Hubicka <jh@suse.cz>
3625 * reload.c (push_reload): Patch out the mismatching instruction;
3627 (find_reload): Bail out if the instruction was patched out.
3629 2006-08-04 Jan Hubicka <jh@suse.cz>
3631 PR tree-optimization/24888
3632 * tree-inline.c (expand_call_inline): Do not re-record variables.
3633 (declare_inline_vars): Add variable to unexpanded_var_list.
3635 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3636 Roger Sayle <roger@eyesopen.com>
3638 PR rtl-optimization/26244
3639 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3640 inner_const are negative or greater than or equal to the bitsize of
3641 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3642 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3643 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3644 CONST0_RTX (mode) when the new shift count is greater than or equal to
3645 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3648 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3650 * tree-cfg.c: Fix a comment typo.
3652 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3655 * varasm.c (output_constant): Give the front end another chance to
3656 expand constants, after stripping NOPs.
3658 2006-08-03 Jan Hubicka <jh@suse.cz>
3660 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3663 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3665 PR tree-optimization/27770
3666 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3667 declaration removed (moved to tree-flow.h).
3668 (vect_can_force_dr_alignment_p): Likewise.
3669 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3670 (moved from tree-vectorizer.h).
3671 (vect_can_force_dr_alignment_p): Likewise.
3672 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3673 from outside the vectorizer - in particular from cgraph stage.
3674 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3675 the alignment of global arrays when -fsection-anchors is enabled.
3676 * cgraphunit.c (cgraph_increase_alignment): New function.
3677 (cgraph_optimize): Call cgraph_increase_alignment.
3679 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3682 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3683 not reload a SPE symbol_ref into a lo_sum address.
3685 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3688 * dwarf2out.c (prune_unused_types_prune): Move call to
3689 prune_unused_types_update_strings to cover the parent DIE also.
3691 2006-08-02 Jan Hubicka <jh@suse.cz>
3693 PR gcov/profile/28480
3694 * tree-cfg.c (change_bb_for_stmt): New function.
3695 (tree_merge_blocks, tree_split_blocks): Use it.
3697 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3703 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3704 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3705 (cgraph_optimize): Likewise.
3707 2006-08-01 Stuart Hastings <stuart@apple.com>
3709 * rtl.h (UINTVAL) New.
3710 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3711 * testsuite/gcc.dg/20060801-1.c: New.
3713 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3716 * c-typeck.c (build_external_type): Mark used enum types.
3717 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3719 (gen_subprogram_die): Whitespace fix.
3721 2006-08-01 Jan Hubicka <jh@suse.cz>
3723 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3724 bitmap when not needed.
3725 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3728 2006-08-01 Dirk Mueller <dmueller@suse.de>
3730 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3732 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3734 * Makefile.in: Revert part of previous patch:
3735 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3738 2006-07-30 Eric Christopher <echristo@apple.com>
3741 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3742 (PowerPC Variable Attributes): New section.
3744 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3746 PR target/28126 (partial fix)
3747 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3749 2006-07-28 Jan Hubicka <jh@suse.cz>
3751 PR rtl-optimization/28071
3752 * cfgrtl.c (rtl_delete_block): Free regsets.
3753 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3755 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3757 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3758 and variables used in dependencies.
3760 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3762 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3763 %fs for -mcmodel=kernel.
3764 (stack_tls_protect_test_di): Likewise.
3766 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3768 * Makefile.in: Use mkinstalldirs.
3770 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3773 * opts-common.c (prune_options): Skip joined switches.
3775 2006-07-27 Jan Hubicka <jh@suse.cz>
3777 PR rtl-optimization/28071
3778 * cselib.c (cselib_process_insn): Don't remove useless values too
3779 often for very large hashtables.
3781 2006-07-27 Jan Hubicka <jh@suse.cz>
3783 PR rtl-optimization/28071
3784 * global.c (greg_obstack): New obstack.
3785 (allocate_bb_info): Use it.
3786 (free_bb_info): Likewise.
3787 (modify_reg_pav): Likewise.
3789 2006-07-27 Roger Sayle <roger@eyesopen.com>
3791 * builtins.c (fold_fixed_mathfn): When long and long long are the
3792 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3793 functions to their lceil*, lfloor*, lround* and lrint* forms.
3795 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3798 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3800 (rev_branch_insn): Likewise.
3802 2006-07-27 Jan Hubicka <jh@suse.cz>
3804 PR rtl-optimization/28071
3805 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3806 (reg_set_in_bb, max_reg_computed): New static variables.
3807 (regmove_optimize): Free the new array.
3808 (fixup_match_1): Update call of reg_is_remote_constant_p.
3810 2006-07-26 Jan Hubicka <jh@suse.cz>
3812 PR tree-optimization/27882
3813 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3815 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3817 (cgraph_analyze_compilation_unit): Likewise.
3818 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3819 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3820 (cgraph_early_inlinine): Make order garbage collected.
3821 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3823 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3825 * dbxout.c (output_types_sort): Add a comment.
3826 (output_used_types): Free the VEC.
3828 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3830 * function.c (reorder_fix_fragments): Delete.
3831 (reorder_blocks): Don't call it.
3832 (reorder_blocks_1): Put all subblocks under the origin block.
3834 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3836 PR rtl-optimization/27907
3837 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3840 2006-07-25 Roger Sayle <roger@eyesopen.com>
3843 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3844 bar(x) check that bar's result type can represent all the values of T.
3846 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3848 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3850 2006-07-25 Nick Clifton <nickc@redhat.com>
3852 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3853 size_lookup[] array.
3854 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3855 (ggc_pch_count_object): Likewise.
3856 (ggc_pch_alloc_object): Likewise.
3857 (ggc_pch_write_object): Likewise.
3858 (init_ggc): Do not attempt to initialize entries in the
3859 size_lookup[] array for objects whose size is greater than than
3860 the length of the array.
3862 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3864 * dbxout.c (output_used_types_helper): Push queued types
3866 (output_types_sort): New.
3867 (output_used_types): Collect used types on a VEC and sort them
3870 2006-07-24 Richard Guenther <rguenther@suse.de>
3873 * cgraph.c (cgraph_remove_node): Do not check if dumps
3875 * cgraphunit.c (cgraph_optimize): Likewise.
3877 2006-07-24 Jan Hubicka <jh@suse.cz>
3879 PR rtl-optimization/28071
3880 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3881 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3882 splitting before first stmt.
3884 2006-07-24 Jan Hubicka <jh@suse.cz>
3886 PR rtl-optimization/28071
3887 * ipa-inline.c (update_caller_keys): Remove edges that
3888 are no longer inline candidates.
3890 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3893 * dbxout.c (output_used_types_helper, output_used_types): New.
3894 (dbxout_symbol): Call output_used_types.
3896 2006-07-23 Jan Hubicka <jh@suse.cz>
3900 * cgraph.c (cgraph_varpool_nodes): Export.
3901 (decide_is_variable_needed): Ignored "used" attribute in
3902 unit-at-a-time mode.
3903 * cgraph.h (cgraph_varpool_nodes): Declare.
3904 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3905 unit-at-a-time mode.
3907 2006-07-23 Roger Sayle <roger@eyesopen.com>
3910 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3911 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3912 the __gthrw form of thr_keycreate.
3913 (__gthread_key_delete): Silence the unused argument warning.
3915 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3918 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3919 Cache the last found '\0' marker to avoid quadratic behavior.
3921 2006-07-23 Jan Hubicka <jh@suse.cz>
3923 * i386.md (subsi_3_zext): Fix output template.
3925 2006-07-21 Mike Stump <mrs@apple.com>
3927 * doc/invoke.texi (C++ Dialect Options): Note that
3928 -fvisibility-inlines-hidden doesn't affect explicitly
3929 instantiationed inline methods.
3931 2006-07-20 Roger Sayle <roger@eyesopen.com>
3933 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3934 if the target assembler is GNU binutils' gas.
3935 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3936 whether to pass GNU gas or native as command line options.
3938 2006-07-20 Jason Merrill <jason@redhat.com>
3940 * tree.c (remove_attribute): New fn.
3941 * tree.h: Declare it.
3943 2006-07-20 Paul Brook <paul@codesourcery.com>
3946 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3947 they are invalidated by this instruction.
3949 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3952 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3954 2006-07-20 Eric Christopher <echristo@apple.com>
3957 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3959 2006-07-19 Eric Christopher <echristo@apple.com>
3961 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3962 Rewrite dependencies for libgcc_s.1.dylib.
3964 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3966 * except.c (duplicate_eh_regions_1): Clear next_peer.
3968 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3970 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3971 -mlongcall does not guarantee all calls will be long.
3972 * doc/extend.texi (long_call/short_call): Document that longcall
3973 does not guarantee a long call will be used.
3974 (longcall/shortcall): Likewise.
3976 2006-07-18 Roger Sayle <roger@eyesopen.com>
3979 * expmed.c (expand_shift): Additionally check that the shift_cost
3980 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3981 before implementing a LSHIFT_EXPR as a sequence of additions.
3982 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3983 middle-end that DImode shifts need to be synthesized by expand.
3985 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3988 * tree-ssa-operands.c (access_can_touch_variable): Update
3990 Return true if ALIAS is .GLOBAL_VAR.
3992 2006-07-18 David Daney <ddaney@avtrex.com>
3994 * gcc.c (display_help): Fix typo in help text.
3996 2006-07-18 Olivier Hainque <hainque@adacore.com>
3998 * tree.h (categorize_ctor_elements): Adjust prototype and add
3999 descriptive comment, both in accordance with the interface change
4001 * varasm.c (constructor_static_from_elts_p): New function.
4002 Whether a constructor node is a valid static constant initializer
4003 if all its elements are.
4004 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4005 * output.h: Declare it.
4006 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4007 is a valid constant initializer instead of computing the number of
4008 non-constant elements. Use constructor_static_from_elts_p for this
4009 purpose. Replace the head comment with an indication that this is a
4010 helper for categorize_ctor_elements.
4011 (categorize_ctor_elements): Same interface change as for the _1
4012 helper. Former head comment from this helper moved here, adjusted to
4013 account for the interface changes.
4014 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4015 (all_zeros_p): Likewise.
4016 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4017 static versions of the constructor from the categorize_ctor_elements
4018 return value instead of the formerly computed number of non-constant
4021 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4023 * configure: Regenerate.
4024 * Makefile.in (build_libsubdir): New configure substitution
4025 (build_libobjdir): New variable.
4026 (BUILD_LIBIBERTY): Use it.
4028 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4031 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4033 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4036 * c-common.c (handle_weakref_attribute): Ignore attribute in
4037 the same conditions the alias attribute is ignored.
4039 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4041 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4042 (dbxout_begin_prologue): Increment scope_labelno.
4044 2006-07-17 Richard Henderson <rth@redhat.com>
4047 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4050 2006-07-17 Roger Sayle <roger@eyesopen.com>
4051 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4053 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4054 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4055 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4056 functions such as sbrk, write, etc.. Add function prototypes.
4057 Convert function declarations from K&R to ISO C. Cast pointers
4058 to "long" and "unsigned long" instead of "int" and "unsigned int".
4059 Convert tokens following #endif into comments.
4061 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4063 * invoke.texi: Remove mention of f77; Reformat table for
4064 inline parameter options correctly; mention that -malign-double
4065 is default on x86-64 targets.
4067 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4069 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4070 (convert_affine_scev, chrec_convert_aggressive): Use
4071 avoid_arithmetics_in_type_p. Do not check for the subtypes
4074 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4077 * optabs.c (expand_doubleword_shift): Wrap the call to
4078 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4080 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4083 * optabs.c (expand_binop): Pass next_methods rather than methods
4084 to expand_doubleword_shift.
4086 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4089 * tree.h (dump_addr): Declare.
4090 * print-tree.c (dump_addr): New function.
4091 (print_node_brief, print_node): Use it.
4092 * print-rtl.c (print_rtx): Likewise.
4093 * common.opt (-fdump-noaddr): New option.
4094 * doc/invoke.texi (-fdump-noaddr): Document.
4095 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4096 (ve_info_hash): Likewise.
4098 2006-07-13 Andrew Haley <aph@redhat.com>
4100 PR tree-optimization/19505
4101 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4102 edge leaving this block, make sure that the destination of this
4103 block has only one predecessor.
4105 2006-07-17 Richard Guenther <rguenther@suse.de>
4107 PR tree-optimization/28238
4108 * tree-inline.c (copy_bb): Check if we produced valid
4109 gimple copying and substituting a stmt. If not, gimplify
4112 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4114 * optabs.c (maybe_encapsulate_block): New function extracted from...
4115 (emit_libcall_block): ...here. Invoke it on the block of insns to
4116 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4117 (emit_no_conflict_block): Likewise.
4119 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4121 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4123 2006-07-15 Roger Sayle <roger@eyesopen.com>
4125 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4126 a new NOP_EXPR case of the switch statement.
4128 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4131 * stor-layout.c (place_field): Take the bit field with
4132 an excessive size into account in the ms-bitfiled case.
4135 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4136 the previous bit field.
4138 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4141 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4143 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4145 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4146 signal frames correctly even when the signal was installed with
4149 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4151 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4152 (dbxout_function_end): Use local label LFBB. Remove hook
4154 (dbxout_source_line): Use local label LFBB.
4155 (dbxout_block): Likewise.
4156 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4157 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4158 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4159 and DBX_OUTPUT_NFUN.
4161 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4163 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4165 2006-07-13 Jan Hubicka <jh@suse.cz>
4167 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4169 * output.h (align_variable): Declare.
4170 * varasm.c (align_variable): Export.
4171 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4172 when basic block changed.
4174 2006-07-13 Nick Clifton <nickc@redhat.com>
4176 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4177 walking the LOG_LINKS chain.
4179 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4181 * doc/invoke.texi (C++ Dialect Options): Explain difference
4182 between -fvisibility-inlines-hidden and setting hidden
4183 visibility explicitly.
4185 2006-07-12 Eric Christopher <echristo@apple.com>
4187 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4188 (stmp-lipo): Depend on libgcc.a.
4190 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4192 * tree.c: Fix a comment typo.
4194 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4196 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4198 (umulhisi3_r): Likewise.
4200 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4203 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4204 x < 19, vs wchar_t support.
4206 2006-07-12 Nick Clifton <nickc@redhat.com>
4208 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4209 instead of -isa=sh4.
4211 2006-07-12 Mike Stump <mrs@apple.com>
4213 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4215 2006-07-10 Eric Christopher <echristo@apple.com>
4217 * config/t-slibgcc-darwin: Rewrite.
4219 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4222 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4225 2006-07-08 Matthias Klose <doko@debian.org>
4227 * doc/sourcebuild.texi: Fix typo.
4229 2006-07-07 Mike Stump <mrs@apple.com>
4231 * toplev.c (process_options): Don't give -ffunction-sections may
4232 affect debugging warning for Mach-O.
4234 2006-07-07 James E Wilson <wilson@specifix.com>
4236 * config/mips/mips.md (cpu): Add sb1a.
4237 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4238 addition to sb1. Adjust comments to clarify SB-1A differences from
4240 (ir_sb1a_load): New. Modify bypasses to use it.
4241 (ir_sb1a_simple_alu): Likewise.
4242 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4243 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4244 (mips_issue_rate): Add PROCESSOR_SB1A.
4245 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4246 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4247 (TARGET_SB1): Add PROCESSOR_SB1A check.
4248 (TUNE_SB1): Likewise.
4250 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4251 * config/mips/mips.c (mips_store_data_bypass_p): New.
4252 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4253 store_data_bypass_p.
4255 2006-07-08 Paul Brook <paul@codesourcery.com>
4258 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4260 2006-07-07 Richard Guenther <rguenther@suse.de>
4263 * tree.h (build_one_cst): Declare.
4264 * tree.c (build_one_cst): New function.
4265 * tree-ssa-math-opts.c (get_constant_one): Remove.
4266 (insert_reciprocals): Use build_one_cst.
4267 * fold-const.c (fold_plusminus_mult): Likewise.
4269 2006-07-07 Roger Sayle <roger@eyesopen.com>
4271 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4272 * cfgloopanal.c (dump_graph): Likewise.
4273 * dojump.c (discard_pending_stack_adjust): Likewise.
4274 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4276 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4277 * function.c (finalize_block_changes): Likewise.
4278 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4279 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4280 * rtl.c (dump_rtx_statistics): Likewise.
4281 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4283 * varray.c (dump_varray_statistics): Likewise.
4284 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4285 decode_decimal64, encode_decimal128, decode_decimal128,
4286 decimal_real_to_decimal): Likewise.
4288 2006-07-07 Richard Guenther <rguenther@suse.de>
4290 PR tree-optimization/28187
4291 * tree-vrp.c (vrp_operand_equal_p): New function.
4292 (vrp_bitmap_equal_p): Likewise.
4293 (update_value_range): Use them to compare old and new
4296 2006-07-06 Roger Sayle <roger@eyesopen.com>
4298 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4299 a default case to switch statement to silence compiler warnings.
4301 2006-07-06 Roger Sayle <roger@eyesopen.com>
4304 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4305 the configured assembler supports the x87's ffreep mnemonic.
4306 * configure: Regenerate.
4307 * config.in: Regenerate.
4309 * config/i386/i386.c (output_387_ffreep): New function.
4310 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4311 (output_387_reg_move): Likewise.
4313 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4315 Port to hosts whose 'sort' and 'tail' implementations
4316 treat operands with leading '+' as file names, as POSIX
4317 has required since 2001. However, make sure the code still
4318 works on pre-POSIX hosts.
4319 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4320 which says you should use "tail -c +N" rather than "tail +Nc".
4321 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4323 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4325 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4328 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4331 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4332 PRE_{INC,DEC} of TFmode.
4334 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4335 Alan Modra <amodra@bigpond.net.au>
4338 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4341 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4344 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4345 Remove duplicate gtu.
4347 2006-07-05 Jason Merrill <jason@redhat.com>
4351 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4352 * c-common.c (handle_packed_attribute): So don't copy it here.
4353 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4355 2006-07-05 Mike Stump <mrs@apple.com>
4357 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4359 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4362 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4364 2006-07-05 Richard Guenther <rguenther@suse.de>
4367 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4368 TARGET_SSE2 targets if using SSE math.
4369 (*absdf2_1): Likewise.
4371 2006-07-05 Richard Guenther <rguenther@suse.de>
4373 PR tree-optimization/28162
4374 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4375 make sure to convert the operands to the correct type.
4377 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4379 PR tree-optimization/28218
4381 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4382 to calculate and free the dominator information.
4384 2006-07-04 Peter O'Gorman <peter@pogma.com>
4386 * mklibgcc.in: chmod 644 before ranlib during install.
4388 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4389 J"orn Rennecke <joern.rennecke@st.com>
4391 * configure.ac (.eh_frame data check): Use diff -b.
4393 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4396 * Makefile.in (BUILD_RTL): Add build/vec.o.
4397 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4398 (build/genextract): Delete.
4399 (build/genautomata): Likewise.
4401 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4404 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4405 128-bit IBM long doubles for ABI_V4.
4407 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4409 * tree.c (range_in_array_bounds_p): New predicate.
4410 * tree.h (range_in_array_bounds_p): Declare it.
4411 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4412 return a less conservative answer.
4413 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4414 and flag 'is_group'.
4415 (IS_ELEMENT_FOR_GROUP): New macro.
4416 (FOR_EACH_ACTUAL_CHILD): Likewise.
4417 (next_child_for_group): New helper function.
4418 (can_completely_scalarize_p): Take into account groups.
4419 (sra_hash_tree): Handle RANGE_EXPR.
4420 (sra_elt_eq): Likewise.
4421 (lookup_element): Be prepared for handling groups.
4422 (is_valid_const_index): Delete.
4423 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4424 instead of is_valid_const_index.
4425 <ARRAY_RANGE_REF>: New case.
4426 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4427 is_valid_const_index.
4428 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4429 (scan_dump): Dump info for groups too.
4430 (decide_instantiation_1): Likewise.
4431 (decide_block_copy): Assert that the element is not a group.
4432 Propagate decision to groups.
4433 (generate_one_element_ref): Handle RANGE_EXPR.
4434 (mark_no_warning): Iterate over actual childs.
4435 (generate_copy_inout): Likewise.
4436 (generate_element_copy): Likewise.
4437 (generate_element_zero): Likewise.
4438 (generate_element_init_1): Likewise.
4439 (dump_sra_elt_name): Handle RANGE_EXPR.
4441 2006-07-03 Roger Sayle <roger@eyesopen.com>
4443 PR tree-optimization/26251
4444 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4445 (thread_block): When optimizing for size refuse to thread jumps
4446 that would require duplication of blocks other than redirection
4449 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4451 * configure.ac: Fix thinko in previous check-in.
4452 * configure: Regenerate.
4454 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4457 * configure.ac (for lang...): Simplify nesting of conditionals.
4458 Test subdir_requires for non-enabled languages. Move processing
4459 of lang_opt_files and lang_tree_fiels below that test.
4460 * configure: Regenerate.
4461 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4463 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4465 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4467 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4469 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4472 2006-06-29 Jason Merrill <jason@redhat.com>
4479 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4480 * c-common.c (c_determine_visibility): Handle it here.
4481 * c-decl.c (finish_decl): Call c_determine_visibility for
4483 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4485 * varasm.c (default_assemble_visibility): Likewise.
4486 * c-common.c (handle_visibility_attribute): Complain about trying
4487 to give visibility to an already defined class, or trying to change
4488 declared visibility. Always attach the attribute.
4493 * attribs.c (decl_attributes): Ignore type-in-place attributes
4494 once the type has been defined.
4496 2006-06-29 Roger Sayle <roger@eyesopen.com>
4499 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4500 to indicate the cpplib has issued an error message for us.
4502 2006-06-29 Asher Langton <langton2@llnl.gov>
4505 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4506 insert a label at the end of an function under Mach-O.
4508 2006-06-29 Eric Christopher <echristo@apple.com>
4509 Evan Cheng <evan.cheng@apple.com>
4511 * predicates.md (vector_all_ones_operand): New.
4512 (nonimmediate_or_sse_const_operand): Ditto.
4513 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4514 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4515 (standard_sse_mode_p): Ditto.
4516 (standard_sse_constant_p): Add case for -1 vector.
4517 (ix86_expand_vector_move): Try to use.
4518 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4519 Call standard_sse_constant_opcode.
4520 (*movv4sf_internal): Ditto.
4521 (*movv2df_internal): Ditto.
4523 2006-06-29 Roger Sayle <roger@eyesopen.com>
4525 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4526 of XEXP to extract the operands of a MATCH_CODE rtx.
4528 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4530 * tree.c (tree_size): Do not waste tail padding in
4531 struct tree_string and make the size be the same as
4532 build_string will generate.
4534 2006-06-28 Jason Merrill <jason@redhat.com>
4537 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4538 may_aliases already in the tag's annotations to the bitmap.
4540 2006-06-28 Roger Sayle <roger@eyesopen.com>
4542 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4544 2006-06-28 Roger Sayle <roger@eyesopen.com>
4546 * genpreds.c (generate_switch_p): New function.
4547 (add_mode_tests): Push the new mode test down inside an AND expr
4548 if this allows the switch-suitable MATCH_CODE to be near the root.
4549 (write_match_code_switch): New function to write a MATCH_CODE as
4551 (write_predicate_stmts): New function to write a predicate RTX
4552 expression as a sequence of statements.
4553 (write_one_predicate_function): Use write_predicate_stmts.
4554 (write_tm_constrs_h): Likewise.
4556 2006-06-26 Fred Fish <fnf@specifix.com>
4558 * config/mips/t-sb1: New file.
4559 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4562 2006-06-26 DJ Delorie <dj@redhat.com>
4564 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4566 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4567 Jayant Sonar <jayants@kpitcummins.com>
4568 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4570 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4571 (subsi3, subsi3_1, subsi3_2): New.
4572 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4573 * config/m32c/mov.md (SI mov peephole): New.
4574 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4575 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4577 2006-06-26 Olivier Hainque <hainque@adacore.com>
4579 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4580 a CALL_EXPR target function declaration.
4582 2006-06-26 Richard Guenther <rguenther@suse.de>
4584 * tree.c (build_string): Do not waste tail padding in
4587 2006-06-26 Richard Guenther <rguenther@suse.de>
4589 * ggc-page.c (init_ggc): Add missing element to size_lookup
4593 2006-06-23 Richard Guenther <rguenther@suse.de>
4595 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4596 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4597 alignment requests instead. Add verification code.
4598 Add struct tree_function_decl and struct tree_binfo size to
4599 extra_order_size_table. Add missing element to size_lookup
4602 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4605 * fold-const.c (const_binop): Be prepared for self returning zero.
4606 Simplify code handling complex values.
4608 2006-06-24 Olivier Hainque <hainque@adacore.com>
4610 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4611 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4614 2006-06-24 Olivier Hainque <hainque@adacore.com>
4616 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4617 ARRAY_REF, so have the callback called for the low bound expression.
4619 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4621 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4622 * c-typeck.c (c_common_type): Disallow operations on decimal float
4623 types and other float types.
4624 * convert.c (convert_to_real): Don't ignore conversions involving
4625 decimal float types.
4627 2006-06-23 Olivier Hainque <hainque@adacore.com>
4629 * tree.c (max_int_size_in_bytes): New function, inspired from
4630 code in function.c:assign_temp.
4631 * tree.h (max_int_size_in_bytes): Declare.
4632 * function.c (assign_temp): Use it.
4633 * gimplify.c (create_tmp_var): Relax the assertions on the type
4634 properties, not mandating constant size any more.
4635 (force_constant_size): New static function.
4636 (gimple_add_tmp_var): Use it, forcing variable size to a
4637 constant upper bound if it is not constant on entry.
4639 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4642 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4643 for initialization and setting of one_only flag to ...
4644 (i386_pe_encode_section_info): ...here.
4645 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4646 Recheck that the symbol has not been defined.
4648 2006-06-23 Richard Guenther <rguenther@suse.de>
4650 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4651 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4652 alignment requests instead. Add verification code.
4653 Add struct tree_function_decl and struct tree_binfo size to
4654 extra_order_size_table. Add missing element to size_lookup
4657 2006-06-22 Roger Sayle <roger@eyesopen.com>
4658 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4661 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4662 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4664 2006-06-23 Ben Elliston <bje@au.ibm.com>
4666 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4667 negate dn -- manipulate it directly.
4669 2006-06-22 Roger Sayle <roger@eyesopen.com>
4670 Steven Bosscher <stevenb.gcc@gmail.com>
4673 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4674 generated by gen_move_insn to add REG_LABEL notes if necessary.
4676 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4678 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4679 (leaf_entry): Remove use of MIN_ESA.
4681 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4683 PR rtl-optimization/28121
4684 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4687 2006-06-21 DJ Delorie <dj@redhat.com>
4689 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4691 (mulhisi3_r): Likewise.
4693 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4696 * coverage.c (coverage_counter_alloc): Leave the index type
4698 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4701 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4703 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4704 section from the "Options for Code Generation Conventions".
4706 2006-06-21 Richard Henderson <rth@redhat.com>
4710 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4712 (global_symbolic_operand): Allow weak symbols, even if local_p.
4714 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4716 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4717 (find_interesting_uses_address): Punt if above function returns true.
4719 2006-06-21 Richard Guenther <rguenther@suse.de>
4721 * configure: Regenerated.
4723 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4725 * config/mips/mips.c (function_arg): Where one part of a
4726 complex argument is in registers and the other part in the stack,
4727 return a REG not a PARALLEL.
4729 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4731 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4732 when cross-compiling. Do not substitute libstdcxx_incdir.
4733 * configure: Regenerated.
4735 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4737 * varasm.c (mergeable_string_section): Check for embedded NULs and
4738 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4739 rather than TREE_STRING_LENGTH bytes.
4741 2006-06-21 Richard Guenther <rguenther@suse.de>
4743 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4744 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4747 2006-06-21 Richrad Guenther <rguenther@suse.de>
4749 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4750 Limit iteration over the dominators.
4752 2006-06-20 Roger Sayle <roger@eyesopen.com>
4754 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4755 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4757 2006-06-20 Richard Guenther <rguenther@suse.de>
4758 Michael Matz <matz@suse.de>
4760 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4762 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4763 * et-forest.h (et_free_pools): Prototype new function.
4764 * et-forest.c (et_free_tree_force): Free parent occurrence.
4765 (et_free_pools): New function.
4766 * dominance.c (free_dominance_info): Free et-forest alloc
4769 2006-06-20 Roger Sayle <roger@eyesopen.com>
4771 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4772 integer modes, attempt to directly construct an integer constant.
4774 * fold-const.c (native_encode_vector): Determine the size of each
4775 element from the vector type instead of the first vector element.
4777 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4778 if all of its elements/components are constant.
4779 (build_constructor_from_list): Likewise.
4781 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4783 PR tree-optimization/27331
4784 * tree-data-ref.c (free_data_ref): New function.
4785 (create_data_ref): Fail if the data reference has unknown access
4787 (free_data_refs): Use free_data_ref.
4789 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4792 * tree-inline.c (setup_one_parameter): Strip useless
4793 type conversion before adding it to the IR.
4794 (declare_return_variable): Likewise.
4796 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4799 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4801 2006-06-19 Mike Stump <mrs@apple.com>
4803 * tree.c (variably_modified_type_p): VM arguments don't make the
4806 2006-06-19 Richard Guenther <rguenther@suse.de>
4808 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4809 type conversions after folding.
4811 2006-06-19 Richard Guenther <rguenther@suse.de>
4813 * ggc-page.c (extra_order_size_tab): Add entries with
4814 size of struct function and basic_block.
4815 (size_lookup): Extend to cover sizes up to 511.
4816 (ggc_alloc_stat): Adjust user.
4817 (ggc_pch_count_object): Likewise.
4818 (ggc_pch_alloc_object): Likewise.
4819 (ggc_pch_write_object): Likewise.
4821 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4823 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4824 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4827 2006-06-19 Denis Chertykov <denisc@overta.ru>
4829 * config/avr/libgcc.S : Correct my wrong previous commit.
4831 2006-06-19 Roger Sayle <roger@eyesopen.com>
4834 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4835 have stripped a SUBREG from the shift count, so we may need to
4836 convert_to_mode back to the type's mode before calling make_tree.
4837 Use new_amount instead of amount to avoid expanding a tree twice.
4839 2006-06-19 Richard Guenther <rguenther@suse.de>
4842 * fold-const.c (operand_equal_p): Check if the argument types
4843 have the same precision before stripping NOPs.
4845 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4847 Fix PR tree-optimization/27341
4848 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4850 * tree-complex.c (pass_lower_complex): Update SMT usage.
4852 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4854 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4855 Add a new alternative to the constraint strings. Add move of
4856 operand 1 to 3 to the splitter definition.
4857 ("doloop_si_long"): Second contraint alternative removed.
4859 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4861 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4862 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4864 (AVR_HAVE_MOVW) Define.
4865 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4866 (ASM_SPEC): Add avr25.
4867 (LINK_SPEC): Add avr25.
4868 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4869 (base_arch_s): Add new member 'have_movw_lpmx'.
4870 (avr_arch_types): Init 'have_movw_lpmx'.
4871 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4872 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4873 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4874 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4875 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4877 (avr_file_start): Do not output '.arh' derective.
4878 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4879 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4880 * config/avr/avr.md (mcu_enhanced): Delete.
4881 (mcu_have_movw): Define.
4882 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4883 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4884 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4885 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4886 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4887 attiny861 and at86rf401 devices.
4889 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4891 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4894 2006-06-17 Karl Berry <karl@gnu.org>
4896 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4897 doc/gccint.texi, doc/install.texi (@dircategory): Use
4898 "Software development" instead of "Programming", following
4899 the Free Software Directory.
4901 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4903 * config/i386/i386.c (legitimate_tls_address)
4904 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4905 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4906 (*tls_dynamic_gnu2_combine_64): Likewise.
4908 2006-06-16 Richard Guenther <rguenther@suse.de>
4911 * fold-const.c (negate_expr_p): Do not introduce undefined
4912 overflow in negating INTEGER_CSTs.
4913 (fold_negate_expr): Rename from negate_expr. Revert last
4914 change for folding BIT_NOT_EXPR. Change semantics to
4915 return NULL_TREE for non-simplified negations. Do not
4916 strip type conversions and unify type handling.
4917 (negate_expr): New function, wrap around fold_negate_expr
4918 but ensure building a tree always. Strip type conversions
4919 here, fold to result type.
4920 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4922 2006-06-16 Roger Sayle <roger@eyesopen.com>
4925 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4926 that (would) return their results in stack registers.
4928 2006-06-16 Michael Matz <matz@suse.de>
4929 Richard Guenther <rguenther@suse.de>
4931 * fold-const.c (fold_truthop): Only return new tree node if
4932 we canonicalized something.
4934 2006-06-16 Richard Guenther <rguenther@suse.de>
4936 * function.h (enum function_frequency): Move declaration
4937 out of struct function.
4938 (struct function): Move bool fields and the enum to the bitfield
4939 section. Reorder elements to avoid padding. Remove unused
4940 fields left over from the RTL inliner removal.
4941 * function.c (free_after_compilation): Do not zero removed fields.
4942 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4943 (ipa-type-escape.o): Likewise.
4945 2006-06-16 Richard Guenther <rguenther@suse.de>
4947 * cgraph.h (struct cgraph_local_info): Turn bool elements
4949 (struct cgraph_node): Likewise.
4950 (struct cgraph_varpool_node): Likewise.
4952 2006-06-15 Richard Guenther <rguenther@suse.de>
4954 * fold-const.c (fold_truth_not_expr): Rename from
4955 invert_truthvalue. Give it fold_* semantics to avoid
4957 (invert_truthvalue): New function. Wrapper around
4958 fold_truth_not_expr.
4959 (optimize_minmax_comparison): Avoid creating garbage.
4960 (fold_unary): Use fold_truth_not_expr for folding
4962 (fold_ternary): Replace uses of invert_truthvalue with
4963 fold_truth_not_expr where applicable.
4964 * tree.h (fold_truth_not_expr): Prototype.
4966 2006-06-16 Richard Guenther <rguenther@suse.de>
4968 PR tree-optimization/27781
4969 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4970 * ipa-pure-const.c (target.h): Include.
4971 (analyze_function): Do not analyze functions that do not
4974 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4977 * tree-dfa.c (referenced_vars_dup_list): Remove.
4978 (find_referenced_vars): Remove assert.
4979 (referenced_var_check_and_insert): Replace dup list with assert.
4980 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4981 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4983 2006-06-15 Richard Guenther <rguenther@suse.de>
4985 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4986 extra unused identifiers if not dumping.
4987 (create_variable_info_for): Likewise.
4989 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4991 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4992 (derive_constant_upper_bound): Derive more precise upper bound in
4993 common cases. Return type changed to double_int.
4994 (record_estimate): Reflect the changed return type of
4995 derive_constant_upper_bound.
4996 * double-int.c (double_int_zext, double_int_sext): Fix.
4998 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5000 * configure.ac (CFLAGS): Get them from the toplevel or from the
5001 configure invocation.
5002 * configure: Regenerate.
5003 * Makefile.in (CFLAGS): Substitute value provided by configure.
5005 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5008 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5009 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5010 rather than calling add_stmt on it.
5011 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5013 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5016 * reload1.c (reload): Remove registers returned by update_eliminables
5017 from used_spill_regs.
5019 2006-06-13 DJ Delorie <dj@redhat.com>
5021 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5023 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5025 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5026 html__strip_dir, html__mkdir_p. Enhance install-html target.
5027 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5028 * configure: Regenerate.
5030 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5032 * fold-const.c (fold_cond_expr_with_comparison): Check for
5033 Objective-C++ as language in deciding COND_EXPR transformation.
5035 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5038 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5039 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5040 * config/sh/lib1funcs.h (SL, SL1): Define.
5041 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5042 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5043 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5044 (OBJS_Os_4_200): New variable.
5045 ($(T)libgcc-Os-4-200.a): Use it.
5046 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5047 when dividing 1 and/or by 0.
5049 2006-06-13 Roger Sayle <roger@eyesopen.com>
5051 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5052 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5053 * configure: Regenerate.
5055 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5057 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5058 for real instruction.
5060 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5063 * haifa-sched.c (check_cfg): Handle special case.
5065 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5068 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5069 Add debug_info parameter. Chain the vars to the BLOCK instead
5070 of the BIND_EXPR if debug info are requested for them.
5071 (pop_gimplify_context): Adjust for above change.
5072 (gimple_add_tmp_var): Likewise.
5073 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5075 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5076 (convert_local_reference): Likewise.
5077 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5078 (finalize_nesting_tree_1): Request that debug info be emitted
5079 for debug_var_chain.
5081 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5083 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5084 for PR target/27863.
5086 2006-06-13 Richard Guenther <rguenther@suse.de>
5089 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5091 2006-06-13 Richard Guenther <rguenther@suse.de>
5093 PR tree-optimization/27830
5094 * tree-inline.c (copy_body_r): For copying the operand
5095 of an ADDR_EXPR make sure to fold &* afterwards.
5097 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5099 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5100 lvalues in the fb_none case with side-effects.
5102 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5104 * tree-flow.h: Remove the prototype for
5105 compute_phi_arg_on_exit.
5106 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5107 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5110 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5112 * builtins.c (expand_builtin_return_addr): Only use
5113 frame_pointer_rtx when count == 0 and we are expanding
5114 __builtin_return_address.
5116 2006-06-12 Fred Fish <fnf@specifix.com>
5118 * config/mips/mips.c (mips_file_start): Create special section
5119 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5121 2006-06-11 Eric Christopher <echristo@apple.com>
5124 * stor-layout.c (place_field): Remove check for
5125 remaining_in_alignment when aligning at the end of a run.
5127 2006-06-11 Eric Christopher <echristo@apple.com>
5130 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5133 2006-06-11 Roger Sayle <roger@eyesopen.com>
5136 Revert incorrect fix for PR target/27158
5137 2006-05-08 Roger Sayle <roger@eyesopen.com>
5138 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5139 of a reg_equiv_constant if the result is a legitimate constant.
5141 2006-06-11 Roger Sayle <roger@eyesopen.com>
5144 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5145 extract a CONST_VECTOR element and interpret it as an integer.
5146 (vspltis_constant): Use const_vector_elt_as_int instead of the
5147 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5148 * config/rs6000/predicates.md (easy_vector_const): Consider
5149 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5151 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5154 * stor-layout.c (update_alignment_for_field): Don't add extra
5155 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5158 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5160 * config/mips/t-rtems: Add EL/EB multilib variants.
5162 2006-06-09 Mike Stump <mrs@apple.com>
5164 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5166 2006-06-09 David Daney <ddaney@avtrex.com>
5168 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5170 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5172 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5174 2006-06-09 Richard Guenther <rguenther@suse.de>
5176 PR tree-optimization/26998
5177 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5178 of signed types, only TYPE_MIN_VALUE is special, but for both,
5179 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5180 in this case, as is -fwrapv.
5182 2006-06-08 Mike Stump <mrs@apple.com>
5185 * config/darwin.c (darwin_asm_output_anchor): Disable
5186 -fsection-anchors on darwin for now.
5187 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5188 * rs6000/rs6000.c (optimization_options): Likewise.
5190 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5193 * config/i386/i386.c (classify_argument): Skip fields with invalid
5196 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5198 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5199 (cse_insn): Likewise for the stack_pointer_rtx.
5201 2006-06-08 Roger Sayle <roger@eyesopen.com>
5203 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5204 conditions from floating point comparisons.
5206 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5209 * expmed.c (struct alg_hash_entry): Fix type of field T
5210 to match synth_mult argument.
5211 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5213 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5216 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5219 2006-06-08 Richard Guenther <rguenther@suse.de>
5222 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5223 only, if overflow is defined and not trapping.
5224 (negate_expr): Likewise.
5226 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5228 PR tree-optimization/27872
5229 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5230 flag on the new exit edge of the unrolled loop.
5232 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5234 PR rtl-optimization/26449
5235 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5237 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5240 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5241 referenced_variables with matching DECL_UID's.
5242 (find_referenced_vars): Make sure duplicate list is empty to start.
5243 (referenced_var_p): Remove.
5244 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5245 Check if var is in the list, and add if needed. Update the duplicate
5246 list if a different var is in the list with the same DECL_UID.
5247 (add_referenced_var): Call routine to check and insert.
5248 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5249 * tree-flow.h (referenced_vars_dup_list): External declaration.
5251 2006-06-07 Fred Fish <fnf@specifix.com>
5253 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5256 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5259 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5260 the imaginary and real parts of a clobbered register.
5261 Emit insn to set the imaginary part.
5263 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5265 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5266 in lieu of unwind-dw2-fde.c.
5268 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5270 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5272 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5275 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5276 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5277 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5278 V4SImode temporaries and operations instead.
5280 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5282 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5285 2006-06-06 Mike Stump <mrs@apple.com>
5287 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5288 installing during build.
5290 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5292 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5294 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5295 * config/ia64/ia64.c (params.h): New header.
5296 (ia64_optimization_options): New function to adjust parameters.
5297 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5298 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5299 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5301 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5303 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5305 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5308 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5310 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5311 Victor Kaplansky <victork@il.ibm.com>
5313 PR tree-optimization/26360
5314 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5317 2006-06-04 Roger Sayle <roger@eyesopen.com>
5318 Andrew Pinski <pinskia@physics.uc.edu>
5321 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5322 for LABEL_DECL before calling DECL_WEAK.
5325 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5326 LABEL_DECL and PARM_DECL.
5328 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5332 * c-decl.c (grokdeclarator): Disallow variably modified types at
5333 file scope. Avoid marking shared array type of constant size as
5336 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5339 * c-common.c (fold_offsetof_1): Handle static members.
5341 2006-06-04 Eric Christopher <echristo@apple.com>
5343 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5344 (debug_rli): Output value for remaining_in_alignment.
5345 (update_alignment_for_field): Unconditionalize
5346 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5347 extra alignment code.
5348 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5349 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5350 * tree.h (record_layout_info_s): Remove prev_packed.
5351 * doc/extend.texi (ms_struct): Add documentation of format.
5353 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5355 * tree.h: Declare folding_initializer.
5356 * builtins.c (fold_builtin_constant_p): Give definite answer
5357 if folding inside an initializer.
5358 * fold-const.c: Define folding_initializer.
5359 (START_FOLD_INIT): Save and then set folding_initializer.
5360 (END_FOLD_INIT): Restore folding_initializer.
5362 2006-06-04 Richard Guenther <rguenther@suse.de>
5364 PR tree-optimization/27039
5365 * fold-const.c (fold_comparison): Handle pointer comparison
5366 again for all comparison codes. Compare offsets in signed
5368 (fold_binary): Move code from here.
5370 2006-06-03 Roger Sayle <roger@eyesopen.com>
5373 * config/i386/i386.c (construct_container): Split static issued_error
5374 flag into issued_sse_arg_error, issued_sse_ret_error and
5375 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5376 requires the use of x87 registers and the user explicitly
5377 specified the -mno-80387 command line option.
5379 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5381 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5382 HAVE_DECL_SIGALTSTACK.
5384 (segv_handler): Use MC_FLD.
5385 * configure.ac: Check for a sigaltstack declaration.
5386 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5387 * configure: Regenerate.
5388 * config.in: Regenerate.
5390 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5393 * Makefile.in (stmp-fixinc): Fix typo.
5395 2006-06-02 Roger Sayle <roger@eyesopen.com>
5397 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5398 are type correct. Clean-up.
5399 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5400 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5402 2006-06-01 DJ Delorie <dj@redhat.com>
5404 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5405 shift, as we've disabled the "switch" insn that needs it.
5407 2006-06-01 Per Bothner <bothner@bothner.com>
5409 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5410 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5411 * c-ppoutput.c (cb_define): Don't increment line 0.
5413 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5415 * doc/invoke.texi: Add cpu_type power6.
5416 * config.gcc: Add cpu_type power6.
5417 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5418 to power5+ with Altivec.
5419 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5420 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5422 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5424 * config/avr/avr.h (SET_ASM_OP): Define.
5426 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5428 * config/bfin/bfin.c: Fix comment typos.
5430 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5433 * doc/install.texi: Document --enable-bootstrap and
5434 --disable-bootstrap.
5436 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5438 * doc/install.texi: Document that InfoZIP can replace jar.
5440 2006-05-31 Roger Sayle <roger@eyesopen.com>
5442 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5443 isn't available, directly generate the simpler x87 patterns without
5444 the (use (const_int 0)).
5445 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5446 implementation isn't available.
5447 (*negdf2_1): Likewise.
5448 (*negxf2_1): XF mode negation is always done using the x87.
5449 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5451 2006-05-31 Roger Sayle <roger@eyesopen.com>
5453 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5454 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5456 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5458 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5460 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5461 * config/bfin/bfin.c (basic-block.h): Include.
5462 (struct machine_function): New.
5463 (bfin_init_machine_status): New.
5464 (override_options): Initialize init_machine_status.
5465 (bfin_hardware_loop): New.
5466 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5467 (DEF_VEC_P (loop_info)): New.
5468 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5469 (struct loop_info): New.
5470 (loop_info): New typedef.
5471 (struct loop_work): New.
5472 (loop_work): New typedef.
5473 (DEF_VEC_O (loop_work)): New.
5474 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5475 (bfin_dump_loops): New.
5476 (bfin_bb_in_loop): New.
5477 (bfin_scan_loop): New.
5478 (bfin_optimize_loop): New.
5479 (bfin_reorg_loops): New.
5480 (bfin_reorg): Use bfin_reorg_loops.
5481 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5483 (I_REGNO_P): Simplify.
5484 (DP_REGNO_P, DPREG_P): New macros.
5485 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5486 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5487 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5488 Add LT_REGS, LC_REGS, LB_REGS.
5489 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5491 (REGNO_REG_CLASS): Deal with loop registers.
5492 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5494 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5495 New constants for loop registers.
5496 (UNSPEC_LSETUP_END): New.
5497 (seq_insns): New define_attr. Set it for appropriate insns.
5498 (movsi_insn): Add alternatives for move from/to
5499 loop count registers.
5500 (doloop_end): New define_expand.
5501 (loop_end): New define_insn.
5502 (define_split for bad doloop_end): New.
5503 (lsetup_with_autoinit): New define_insn.
5504 (lsetup_without_autoinit): New define_insn.
5505 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5506 * config/bfin/predicates.md (lc_register_operand): New.
5507 (lt_register_operand): New.
5508 (lb_register_operand): New.
5509 (nondp_register_operand): New.
5510 (nondp_reg_or_memory_operand): New.
5511 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5513 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5515 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5516 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5518 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5520 * Makefile.in (CATALOGS): Add po/ prefix.
5521 * configure: Regenerated.
5523 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5526 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5527 a shift operand before calling shift_op. Avoid redundant call of
5530 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5531 DJ Delorie <dj@redhat.com>
5533 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5534 we're inserting is a singlt-bit constant.
5536 2006-05-30 Roger Sayle <roger@eyesopen.com>
5538 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5539 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5541 2006-05-30 Roger Sayle <roger@eyesopen.com>
5543 PR tree-optimization/23452
5544 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5545 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5546 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5547 complex values and with -ffast-math for FP complex values.
5549 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5551 * c-common.h: Remove the prototype for yyparse.
5552 * rtl.h: Remove the prototype for init_loop.
5554 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5556 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5559 2006-05-30 Roger Sayle <roger@eyesopen.com>
5561 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5563 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5564 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5566 2006-05-30 Dirk Mueller <dmueller@suse.de>
5569 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5570 for CONSTANT_CLASS_P expresisons.
5572 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5575 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5577 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5579 PR tree-optimization/27779
5580 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5581 initial_condition instead of CHREC_LEFT.
5583 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5585 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5586 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5587 Make prototypes ISO C90.
5589 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5590 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5592 * see.c (see_analyze_one_def): Correct check.
5593 (see_get_extension_data): Check if extension is parallel.
5594 (see_get_extension_reg): Likewise.
5596 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5599 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5600 into register for (code == GTU).
5602 2006-05-29 Roger Sayle <roger@eyesopen.com>
5604 PR tree-optimization/24964
5605 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5606 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5607 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5608 abs(x)*abs(x) as x*x for scalar floating point modes.
5610 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5613 * lambda-code.c (perfect_nestify): Don't copy statements
5614 in the inner loop: move them to the inner loop header.
5616 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5619 * c-tree.texi: Document OpenMP directives and clauses.
5621 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5623 * varasm.c (globalize_decl): Fix indentation.
5625 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5628 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5629 pass_fre, pass_store_ccp, pass_copy_prop,
5630 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5631 pass_return_slot, pass_object_size, pass_lim,
5632 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5633 pass_loop_prefetch and pass_stdarg.
5635 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5637 * config/bfin/bfin.opt (mfdpic): New option.
5638 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5639 (EXTRA_MULTILIB_PARTS): Likewise.
5640 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5641 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5643 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5644 (CRT_CALL_STATIC_FUNCTION): New.
5645 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5647 (CRT_CALL_STATIC_FUNCTION): New.
5648 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5650 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5651 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5652 (initialize_trampoline): Changed to handle FD-PIC code generation.
5653 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5654 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5655 (override_options): Disallow -mid-shared-library -mfdpic combination.
5656 Can't do unaligned ops if FD-PIC.
5657 Turn off flag_pic if trying to generate non-id-shared-library
5658 non-fdpic code, since it's not supported.
5659 (bfin_assemble_integer): New function.
5660 (TARGET_ASM_INTEGER): Define.
5661 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5663 * config/bfin/crtn.s: Restore them.
5664 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5666 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5667 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5668 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5669 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5670 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5672 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5673 FDPIC_REGS and FDPIC_FPTR_REGS.
5674 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5675 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5676 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5677 (load_funcdescsi): New pattern.
5678 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5679 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5680 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5682 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5684 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5687 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5689 * tree-flow.h: Remove the prototype for add_type_alias.
5690 * tree-ssa-alias.c (add_type_alias): Remove.
5692 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5694 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5695 config/fr30/fr30.md, config/i386/i386-interix.h,
5696 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5697 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5698 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5699 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5700 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5701 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5702 Follow spelling conventions.
5703 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5704 Follow spelling conventions.
5706 2006-05-27 Richard Guenther <rguenther@suse.de>
5709 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5710 to produce a constant of value 1 of generic type.
5712 2006-05-27 Dirk Mueller <dmueller@suse.de>
5714 * cgraphunit.c (decide_is_function_needed): Fix wrong
5717 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5719 PR rtl-optimization/27661
5720 * reload.c (find_reloads): When reloading a VOIDmode constant
5721 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5722 use Pmode as mode of the reload register.
5724 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5726 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5727 is enabled at -O and above.
5729 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5732 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5735 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5738 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5739 for anonymous variables explicitly declared by front ends.
5741 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5743 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5744 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5745 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5746 ref-all pointers, run a finalization pass for them.
5747 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5748 (finalize_ref_all_pointers): New function.
5749 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5750 regular pointer type to a ref-all pointer type.
5751 (get_tmt_for): Return the special memory tag for ref-all pointers.
5753 2006-05-25 Richard Guenther <rguenther@suse.de>
5756 * fold-const.c (fold_binary): Do not look at the stripped
5757 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5759 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5761 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5762 for LT and GT if the computed range is effectively empty.
5764 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5767 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5768 mips_quad_format formats instead of ieee_single_format,
5769 ieee_double_format and ieee_quad_format formats, respectively.
5771 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5773 PR tree-optimization/27639
5774 PR tree-optimization/26719
5775 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5776 call to scev_probably_wraps_p.
5777 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5778 used_in_pointer_arithmetic_p, convert_step): Removed.
5779 (nowrap_type_p): New function.
5780 (scev_probably_wraps_p): Rewritten.
5781 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5782 chrec_convert if chrec_convert_aggressive might have been used.
5783 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5784 scev_direction): New functions.
5785 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5786 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5787 instead of convert_step.
5788 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5789 (convert_step): Declaration removed.
5790 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5792 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5794 * df-core.c: Added to header comments.
5795 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5796 df_ur_bb_info, df_urec_bb_info): Added comments.
5797 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5798 urec, ri problems): Fixed header comments.
5799 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5800 code from df_rd_transfer_function.
5802 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5804 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5805 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5806 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5808 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5810 * expr.c (undefined_operand_subword_p): New.
5811 (emit_move_multi_word): Do not generate move from undefined bits
5812 of a paradoxical subreg.
5814 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5816 PR rtl-optimization/27736
5817 * combine.c (replaced_rhs_value): New variable.
5818 (combine_instructions): Set it.
5819 (distribute_notes): When distributing a note in replaced_rhs_insn,
5820 check whether the value was used in replaced_rhs_value.
5822 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5825 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5826 add_referenced_var instead of add_referenced_tmp_var.
5827 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5828 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5830 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5831 tree_optimize_tail_calls_1): Use add_referenced_var.
5832 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5833 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5834 Use add_referenced_var.
5835 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5836 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5837 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5838 Use add_referenced_var.
5839 * tree-dfa.c (struct walk_state): Remove.
5840 (find_referenced_vars): Remove walk state and vars_found hash table.
5841 (make_rename_temp): Use add_referenced_var.
5842 (find_vars_r): Pass less parameters to add_referenced_var.
5843 (referenced_var_p): New. Is var in referenced_var hash table.
5844 (referenced_var_insert): Assert var isn't already in hash table.
5845 (add_referenced_var): Don't need walk_state parameter. Add var if it
5846 isn't already in the hash table.
5847 (add_referenced_tmp_var): Remove.
5848 (find_new_referenced_vars_1): Use add_referenced_var.
5849 * tree-ssa-pre.c (create_expression_by_pieces,
5850 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5851 Use add_referenced_var.
5852 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5853 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5854 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5856 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5857 vect_create_data_ref_ptr, vect_create_destination_var,
5858 vect_init_vector, vect_build_loop_niters,
5859 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5860 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5861 Use add_referenced_var.
5862 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5863 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5864 (add_referenced_var): Add prototype.
5865 * tree-ssa-structalias.c (get_constraint_for,
5866 intra_create_variable_infos): Use add_referenced_var.
5868 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5870 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5871 big-endian paradoxical subregs.
5872 * var-tracking.c (struct micro_operation_def): Document that,
5873 for modify micro operations, insn is the subsequent instruction.
5874 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5875 (var_reg_set, var_mem_set): ... new functions.
5876 (add_stores): Record subsequent insn.
5877 (compute_bb_dataflow): Use new functions for MO_USE.
5878 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5879 notes after the insn, and modify notes before the insn known
5880 to be the subsequent one.
5881 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5883 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5886 * config/i386/i386.c (ix86_expand_builtin): Use
5887 gen_sse3_monitor64 for TARGET_64BIT.
5889 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5891 PR rtl-optimization/26375
5892 PR rtl-optimization/26855
5893 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5895 (df_ru_bb_local_compute): Reversed statements and removed bogus
5896 comment explaining why they should be in wrong order.
5897 (df_ru_dump, df_rd_dump): Enhanced debug info.
5898 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5900 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5901 reaching uses and fixed space problem.
5903 2006-05-23 Jan Hubicka <jh@suse.cz>
5905 * cgraphunit.c (decide_is_function_needed): Also nested functions
5906 and functions declared inline can be optimized out at -O0.
5908 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5910 * doc/install.texi (Configuration): Remove reference to CrossGCC
5914 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5917 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5918 ix86_compare_emitted is non-NULL.
5920 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5923 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5926 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5928 PR rtl-optimization/25514
5929 * combine.c (replaced_rhs_insn): New variable.
5930 (combine_instructions): Set replaced_rhs_insn when trying to replace
5931 a SET_SRC with a REG_EQUAL note.
5932 (distribute_notes): Use replaced_rhs_insn when determining the live
5933 range of a REG_DEAD register.
5935 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5936 Anatoly Sokolov <aesok@post.ru>
5938 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5939 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5940 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5941 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5942 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5943 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5944 at90usb647, at90usb1286 and at90usb1287 devices.
5945 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5946 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5948 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5950 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5952 2006-05-22 Richard Guenther <rguenther@suse.de>
5955 2006-01-31 Richard Guenther <rguenther@suse.de>
5956 Paolo Bonzini <bonzini@gnu.org>
5958 * doc/install.texi (--disable-libgcc-math): Document.
5960 2006-05-22 Richard Guenther <rguenther@suse.de>
5963 2006-01-31 Richard Guenther <rguenther@suse.de>
5965 * doc/invoke.texi (-msselibm): Document.
5966 * target.h (expand_library_builtin): New target hook.
5967 * builtins.c (expand_builtin): Use expand_library_builtin.
5968 (default_expand_library_builtin): New function.
5969 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5970 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5971 (link_gcc_math_spec): Declare.
5972 (static_specs): Add link_gcc_math_spec.
5973 * expr.h (default_expand_library_builtin): Declare.
5974 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5975 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5976 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5977 * config/i386/i386.opt (msselibm): New target option.
5978 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5979 (ix86_init_sse_abi_builtins): New function.
5980 (ix86_expand_library_builtin): Likewise.
5981 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5982 (override_options): Handle error conditions wrt -msselibm.
5983 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5984 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5985 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5988 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5991 * c-common.c (self_promoting_args_p): Skip erroneous args.
5994 * c-decl.c (finish_struct): Skip erroneous fields.
5996 2006-05-22 Nick Clifton <nickc@redhat.com>
5998 * config/cris/cris.opt (march): Remove VarExists attribute.
5999 (max-stackframe=): Likewise.
6001 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6003 * doc/rtl.texi: Fix a typo.
6004 * see.c: Fix comment typos.
6006 * tree-ssa-structalias.h (alias_info): Remove num_references.
6008 2006-05-21 Mike Stump <mrs@apple.com>
6010 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6012 (darwin_pragma_options): Use BAD instead.
6013 (darwin_pragma_unused): Likewise.
6014 (darwin_pragma_ms_struct): Likewise.
6016 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6018 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6020 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6022 PR rtl-optimization/27671
6023 * simplify-rtx.c (simplify_relational_operation_1): Fix
6024 simplifications of (eq/ne (xor x y) y) and
6025 (eq/ne (xor x y) x).
6027 PR tree-optimization/26622.
6028 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6031 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6033 * tree-cfg.c: Prune whitespace.
6034 (debug_tree_cfg): Point to correct header containing the
6037 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6040 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6042 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6045 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6046 or sorry count is non zero.
6048 2006-05-20 Andreas Schwab <schwab@suse.de>
6050 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6052 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6053 Kenneth Zadeck <zadeck@naturalbridge.com>
6055 PR rtl-optimization/26855
6057 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6059 (df_scan_alloc): Added code to properly handle multiword hard
6060 registers and add all_blocks parameter.
6061 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6062 code to properly handle multiword hard registers.
6063 (df_rescan_blocks): Added code to remove deleted blocks from
6065 (df_ref_create_structure, df_ref_record): Added code to properly
6067 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6068 and set DF_REF_PARTIAL.
6069 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6070 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6071 (df_scan_add_problem): Added flags parameter.
6072 (df_ref_create_structure): Changed switching structure.
6073 (df_bb_refs_record): Fixed case where duplicate artificial refs
6074 were created. Changed location of flags.
6075 (df_record_entry_block_defs): Added code to make stack pointer
6076 live in entry block. Refined cases where frame pointer is needed.
6077 Changed location of flags.
6078 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6079 (df_set_state): Removed function.
6080 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6081 df_insn_create_insn_record, df_insn_refs_delete,
6082 df_ref_create_structure): Formatting changes.
6083 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6084 df_delete_basic_block): New function.
6085 (df_init): Changed location of flags.
6086 (df_add_problem): Added flags parameter and the way flags are
6088 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6089 debug_df_chain): Improved debugging output.
6090 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6091 (df_refs_chain_dump): Removed df parameter.
6092 (df_iterative_dataflow): Added consistency check.
6093 (df_prune_to_subcfg): Made public.
6094 (df_analyze_problem): Added blocks_to_init parameter and made
6096 (df_ref_record, df_bb_refs_record, df_mark_reg,
6097 df_record_exit_block_uses): Whitespace changes.
6098 (df_dump): Whitespace changes.
6099 * df.h: Some reordering to remove forward references.
6100 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6101 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6102 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6103 (dataflow.flags): New field.
6104 (df.flag): Deleted field.
6105 (df_alloc_function): Added additional bitmap parameter.
6106 (df_dependent_problem_function): New type.
6107 (df_problem.changeable_flags): New field.
6108 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6109 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6110 (df_mw_hardreg): New struct.
6111 (DF_INSN_UID_MWS): New macro.
6112 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6114 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6115 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6116 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6117 (df_set_state): Removed function.
6118 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6119 * df-problems.c (df_chain_dump): Removed df parameter.
6120 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6121 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6123 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6124 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6125 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6126 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6127 DF_REF_MUST_CLOBBER cases.
6128 (df_ru_bb_local_compute_process_def,
6129 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6130 df_lr_bb_local_compute, df_ur_bb_local_compute,
6131 df_chain_create_bb): Made subreg aware.
6132 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6133 df_lr_bb_local_compute, df_lr_bb_local_compute,
6134 df_chain_create_bb): Cleanup to use proper macros.
6135 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6136 code to fixup bitvectors.
6137 (df_ri_alloc): Cleared lifetime.
6138 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6139 df_create_unused_note): New function.
6140 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6141 REG_DEAD and REG_UNUSED notes as well as register information.
6142 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6143 df_chains_dump): Fixed crash if problem was never run.
6144 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6145 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6146 df_ri_add_problem): Processes flags in uniform manner.
6147 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6148 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6149 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6150 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6151 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6152 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6153 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6154 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6155 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6156 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6157 * see.c (see_initialize_data): Ditto.
6158 * final.c (rest_of_clean_state) Added regstack_completed.
6159 * rtl.h (regstack_completed): Ditto.
6160 * reg-stack.c (regstack_completed): Ditto.
6162 2006-05-19 Mike Stump <mrs@apple.com>
6164 * c-tree.h (default_conversion): Remove.
6165 * c-common.h (default_conversion): Add.
6167 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6169 * tree-vrp.c (valid_value_p): New function.
6170 (adjust_range_with_scev): Fail if the value of bound is not
6173 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6175 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6176 (mips_fallback_frame_state): Use syscall numbers to determine
6177 the appropriate li instruction for the current ABI. Only use
6178 __NR_sigreturn for o32.
6180 2006-05-19 Nicolas Setton <setton@adacore.com>
6182 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6183 * langhooks.c (lhd_dwarf_name): New function.
6184 * langhooks-def.h (lhd_dwarf_name): Declare.
6185 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6186 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6187 * ada/misc.c (gnat_dwarf_name): New function.
6188 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6190 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6192 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6194 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6195 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6196 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6197 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6198 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6199 determine the size of Wtype, etc.
6200 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6201 (swfloatfuncs): New variable.
6202 (dwfloatfuncs): Likewise.
6203 (lib2funcs): Remove floating-point conversion functions from
6204 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6205 the set of conversion routines needed. Allow entries to specify
6206 an object name, filename and word size. Update users accordingly.
6207 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6208 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6212 2006-02-08 Roger Sayle <roger@eyesopen.com>
6215 * config/fixtfdi.c: New libgcc source file.
6216 * config/fixunstfdi.c: New source file.
6217 * config/floatditf.c: New source file.
6218 * config/floatunditf.c: New souce file.
6219 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6220 files above instead of config/mips/_tilib.c.
6221 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6223 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6225 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6226 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6228 2006-05-18 Mike Stump <mrs@apple.com>
6230 Fix up vla, vm and [*] sematics.
6236 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6237 (c_vla_unspec_p): Add.
6238 (c_vla_type_p): Add.
6239 * c-decl.c (struct c_scope): Add had_vla_unspec.
6240 (build_array_declarator): Add support for [*].
6241 (grokdeclarator): Likewise.
6242 (grokparms): Likewise.
6243 (get_parm_info): Likewise.
6244 * c-objc-common.c (c_vla_unspec_p): Likewise.
6245 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6246 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6247 typeof when argument is a variably modified type not inside sizeof or alignof.
6248 (c_parser_direct_declarator_inner): Propagate errors.
6249 (c_parser_sizeof_expression): Add support for [*].
6250 (c_parser_parms_declarator): Initialize had_vla_unspec.
6251 (c_parser_parms_list_declarator): Likewise.
6252 * c-typeck.c (c_vla_type_p): Add.
6253 (composite_type): Add support for vla compositing.
6254 (comptypes_internal): Add support for vla compatibility.
6255 (c_expr_sizeof_expr): Evaluate vla arguments.
6256 * tree.c (variably_modified_type_p): Update comment for [*].
6258 2006-05-18 Michael Matz <matz@suse.de>
6261 * config.host: Make assignments to host_xmake_file cumulative.
6262 * config.host (*-darwin*): Test $host, not $target.
6264 2006-05-12 Stuart Hastings <stuart@apple.com>
6266 * config/i386/i386.opt (-mstackrealign): New flag.
6267 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6268 (ix86_handle_cconv_attribute): Emit error when
6269 force_align_arg_pointer attribute collides with too many regparms.
6270 (ix86_function_regparm): Limit regparms when used with
6271 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6272 Support stack-realigning prologue in non-main functions. Emit
6273 warning for nested functions under -mstackrealign, emit error for
6274 nested functions with force_align_arg_pointer attribute.
6275 * doc/extend.texi (force_align_arg_pointer): Document it.
6276 * doc/invoke.texi (-mstackrealign): Document it.
6278 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6280 PR rtl-optimization/27477
6281 * combine.c (try_combine): Don't split a parallel consisting
6282 of two sets into two individual sets if both sets reference
6285 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6287 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6288 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6290 * doc/options.texi (VarExists): Updated.
6292 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6294 * unwind-dw2.c: Add declarations for uw_update_context and
6296 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6297 detected, advance frame state and context once to skip over stub.
6299 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6303 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6304 Call rewrite_into_loop_closed_ssa only when something changed.
6305 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6306 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6307 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6308 Test for perfect_nest_p here. Fix formating.
6309 (replace_uses_equiv_to_x_with_y): Fix formating.
6310 (stmt_uses_op): Removed.
6311 (can_convert_to_perfect_nest): Removed loopivs parameter.
6312 Complete the test by checking the scalar dependences.
6313 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6316 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6319 From Dan Kegel <dank@kegel.com>:
6320 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6322 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6324 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6325 if the element type is variably modified without recursing.
6327 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6330 * tree-loop-linear.c (try_interchange_loops): Test for
6331 no data dependences.
6333 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6335 PR tree-optimization/27548
6336 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6337 range of ssa names that appear on abnormal edges.
6338 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6339 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6341 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6344 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6346 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6349 * tree.h (OMP_PARALLEL_COMBINED): Define.
6350 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6351 (new_omp_context): Add is_combined_parallel argument.
6352 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6353 new_omp_context caller.
6354 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6355 Adjust gimplify_scan_omp_clauses callers.
6356 (omp_is_private): Issue errors if iteration variable is firstprivate
6357 or reduction in the current context.
6358 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6359 on combined parallel workshare constructs.
6361 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6363 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6364 (gcc-options.o): New rule.
6366 * optc-gen.awk: Protect variables for gcc-options.o with
6367 #ifdef GCC_DRIVER/#endif.
6369 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6371 Fix PR tree-optimization/27373
6372 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6373 (forward_propagate_addr_expr): Update call.
6375 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6377 * doc/options.texi: Move the Negative option.
6379 2006-05-16 Richard Guenther <rguenther@suse.de>
6381 PR tree-optimization/22303
6382 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6384 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6385 ccp_fold did not simplify the statement.
6387 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6390 * Makefile.in (GCC_OBJS): New.
6391 (OBJS-common): Add opts-common.o.
6392 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6393 (cpp$(exeext)): Likewise.
6394 (gcc.o): Also depend on opts.h.
6395 (opts-common.o): New.
6397 * common.opt (gcoff): Add Negative(gdwarf-2).
6398 (gdwarf-2): Add Negative(gstabs).
6399 (gstabs): Add Negative(gstabs+).
6400 (gstabs+): Add Negative(gvms).
6401 (gvms): Add Negative(gxcoff).
6402 (gxcoff): Add Negative(gxcoff+).
6403 (gxcoff+): Add Negative(gcoff).
6404 * config/i386/i386.opt (m32): Add Negative(m64).
6405 (m64): Add Negative(m32).
6407 * doc/options.texi: Document the Negative option.
6409 * gcc.c: Include "opts.h".
6410 (main): Call prune_options after expandargv.
6412 * optc-gen.awk: Generate common declarations for all flag
6413 variables in options.c. Output the neg_index field.
6415 * opts.c (find_opt): Moved to ...
6416 * opts-common.c: Here. New file.
6418 * opts.h (cl_option): Add a neg_index field.
6420 (prune_options): Likewise.
6422 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6425 * omp-low.c (expand_omp_parallel): Don't assert
6426 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6427 instead search for it.
6430 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6433 2006-05-16 Andreas Schwab <schwab@suse.de>
6435 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6438 2006-05-15 Roger Sayle <roger@eyesopen.com>
6441 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6442 integer constants other than zero are only legitimate on TARGET_64BIT.
6443 <CONST_VECTOR> Only zero vectors are legitimate.
6444 (ix86_cannot_force_const_mem): Integral and vector constants can
6445 always be put in the constant pool.
6447 2006-05-16 DJ Delorie <dj@redhat.com>
6449 * crtstuff.c (__dso_handle): Set section from
6450 TARGET_LBIGCC_SDATA_SECTION if defined.
6451 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6452 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6454 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6457 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6460 2006-05-16 Ben Elliston <bje@au.ibm.com>
6462 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6464 2006-05-15 Per Bothner <per@bothner.com>
6466 * tree.c: (last_annotated_node): Use source_locus typedef.
6467 This permits bootstrapping with --enable-mapped-location.
6469 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6471 PR tree-optimization/26830
6472 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6473 (info_for_ssa_name, current_info_for_ssa_name_age,
6474 blocks_to_update): New variables.
6475 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6476 (clear_ssa_name_info, initialize_flags_in_bb,
6477 mark_block_for_update): New functions.
6478 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6479 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6480 prepare_def_site_for): Use mark_block_for_update.
6481 (mark_def_interesting): Assert that the processed block is marked in
6482 blocks_to_update. Do not take blocks argument.
6483 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6485 (rewrite_update_init_block, rewrite_update_stmt): Only process
6486 blocks with statements to rewrite.
6487 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6488 (update_ssa): Initialize and free blocks_to_update. Do not
6489 clear flags on statements. Do not use blocks bitmap.
6490 * tree.h (SSA_NAME_AUX): Removed.
6491 (struct tree_ssa_name): Removed aux field.
6492 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6494 2006-05-15 Richard Guenther <rguenther@suse.de>
6496 PR tree-optimization/27603
6497 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6498 Do computations in original type.
6500 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6502 * see.c: Code style changes such as redundant paranthesis,
6503 redundant intialization of local variables etc.
6504 (see_main): Declared now as static.
6505 * doc/invoke.texi: Update that -fsee is not enabled by
6508 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6510 * omp-low.c (check_omp_nesting_restrictions): New function.
6511 (scan_omp_1): Call it.
6514 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6515 construct, return *VAR.
6517 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6519 PR rtl-optimization/27406
6520 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6523 2006-05-14 Roger Sayle <roger@eyesopen.com>
6525 PR rtl-optimization/27538
6526 * combine.c (expand_compound_operation): Call gen_lowpart
6527 before calling simplify_shift_const.
6529 2006-05-14 Roger Sayle <roger@eyesopen.com>
6531 PR rtl-optimization/22563
6532 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6533 a fixed width bitfield, always force the intermediates into psuedos.
6535 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6538 * mkconfig.sh: Use operator = instead of == for test.
6540 2006-05-13 Nick Clifton <nickc@redhat.com>
6542 * dwarf2out.c (dbx_reg_number): Check return value from
6543 LEAF_REG_REMAP and only use it if it is valid.
6544 (multiple_reg_loc_descriptor): Likewise.
6546 2006-05-13 Richard Guenther <rguenther@suse.de>
6548 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6551 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6553 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6554 information attached to non-INSNs such as NOTEs.
6555 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6557 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6559 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6561 * config/s390/s390.md: Adjust comment describing On constraint.
6563 2006-05-11 Jan Hubicka <jh@suse.cz>
6565 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6566 to be output at -O0.
6568 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6571 * fold-const.c (size_binop): Move sanity check for arguments to
6572 the beginning of the function.
6575 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6578 2006-05-11 Richard Guenther <rguenther@suse.de>
6581 * fold-const.c (fold_unary): Handle intermediate conversion
6582 to a pointer type like intermediate conversion to an integer
6583 type in folding of (T1)(T2)var to var.
6584 Match the code to the comment in the final conversion for
6585 (T1)(T2)var to (T1)var regarding to type precision. Rather
6586 than disallow T1 being of pointer type, assert that both T1
6587 and var are of pointer type or not. Make sure not to fall
6588 over the frontends lazyness wrt array to pointer decay though.
6590 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6592 * arm.c (arm_struct_value_rtx): Delete.
6593 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6594 (arm_init_cumulative_args): Always initialize nregs to zero.
6596 2006-05-10 Richard Guenther <rguenther@suse.de>
6598 PR tree-optimization/27532
6599 * tree-object-size.c (plus_expr_object_size): Fix typo.
6601 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6604 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6605 ashrdi_const, ashrdi3): Use a scratch register.
6607 2006-05-10 Richard Guenther <rguenther@suse.de>
6609 PR tree-optimization/27302
6610 * fold-const.c (operand_equal_p): For two comparisons,
6611 try comparison of one comparison code swapped if that yields
6614 2006-05-10 Ben Elliston <bje@au.ibm.com>
6616 * tree-pretty-print.c (pretty_print_string): No need to handle
6617 '\0' as a special character.
6619 * tree.h: Include "hashtab.h".
6620 (iterative_hash_expr): Use hashval_t in its prototype.
6621 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6623 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6626 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6627 (hppa*64*-*-hpux11*): Ditto.
6628 (hppa[12]*-*-hpux11*): Ditto.
6630 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6633 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6635 2006-05-09 Michael Matz <matz@suse.de>
6637 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6638 host_extra_gcc_objs and host_xmake_file.
6639 (<*-*-linux*>): Don't overwrite host_xmake_file.
6640 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6641 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6642 (host_detect_local_cpu): Declare.
6643 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6644 * config/i386/i386.c (override_options): Handle -mtune=native
6646 * config/i386/x-i386: New file.
6647 * config/i386/driver-i386.c: New file.
6648 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6651 2006-05-09 Dirk Mueller <dmueller@suse.de>
6652 Richard Guenther <rguenther@suse.de>
6655 * fold-const.c (fold_read_from_constant_string): Relax check
6656 for matching types to matching modes.
6658 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6660 PR rtl-optimization/27335
6661 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6664 2006-05-08 Chao-ying Fu <fu@mips.com>
6665 Richard Sandiford <richard@codesourcery.com>
6667 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6668 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6669 * config/mips/mips.md (UNSPEC_SCC): New constant.
6670 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6671 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6672 (mips_emit_compare): Use it.
6673 (mips_expand_vcondv2sf): New function.
6675 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6677 Fix PR tree-optimization/27093
6678 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6679 renaming when they become not-used_alone.
6681 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6683 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6684 relocation and relocation stubs.
6686 2006-05-08 Eric Christopher <echristo@apple.com>
6688 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6691 2006-05-08 Jan Hubicka <jh@suse.cz>
6694 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6695 unused static functions are needed.
6697 2006-05-08 Roger Sayle <roger@eyesopen.com>
6700 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6701 of a reg_equiv_constant if the result is a legitimate constant.
6703 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6706 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6707 standard 80387 constants, raise the cost to prevent
6708 compress_float_constant() to generate load from memory.
6710 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6712 * config/arm/constraints.md (c): Fix a typo.
6714 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6717 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6720 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6722 (_mm_mwait): Likewise.
6724 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6726 (sse3_monitor): Make it 32bit only.
6727 (sse3_monitor64): New. 64bit monitor.
6729 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6732 * config/i386/i386.c (classify_argument): Skip fields with invalid
6735 2006-05-07 Richard Guenther <rguenther@suse.de>
6737 PR tree-optimization/27409
6738 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6739 Do not try to find zero-sized subvars.
6741 2006-05-07 Richard Guenther <rguenther@suse.de>
6743 PR tree-optimization/27136
6744 * tree-ssa-loop-niter.c (get_val_for): Correct function
6745 comment, assert requirements.
6746 (loop_niter_by_eval): Stop processing if the iterated
6747 value did not simplify.
6749 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6751 * opts.c (flag_see): remove its setting at -O3.
6753 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6755 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6756 * arm/constraints.md: New file.
6757 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6758 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6759 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6760 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6761 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6762 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6763 * arm.md: Include constraints.md.
6764 (thumb_movsi_insn): Use satisfies_constraint_J.
6765 (movhi, movqi): Use satisfies_constraint_I.
6767 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6769 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6770 for atmeg a645 device.
6772 2006-05-06 Richard Guenther <rguenther@suse.de>
6774 PR tree-optimization/27151
6775 * tree-vect-transform.c (vectorizable_condition): Punt on
6776 values that have a different type than the condition.
6778 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6781 * c-parser.c (c_parser_cast_expression): Only insert casts into
6782 hash table if pointer.
6783 * function.c (used_types_insert_helper): Rename from
6785 (used_types_insert): Call used_types_insert_helper.
6786 * function.h (used_types_insert): Accept only one argument.
6788 2006-05-05 David Edelsohn <edesohn@gnu.org>
6790 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6791 scratch with output modifier.
6793 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6796 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6797 with output modifier.
6799 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6802 * config/mips/mips.c (mips_symbolic_address_p): Return true
6803 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6804 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6806 2006-05-04 Richard Guenther <rguenther@suse.de>
6808 PR tree-optimization/14287
6809 PR tree-optimization/14844
6810 PR tree-optimization/19792
6811 PR tree-optimization/21608
6812 PR tree-optimization/27090
6813 * tree-ssa-pre.c (try_combine_conversion): New function.
6814 (compute_avail): After constructing the value-handle
6815 expression, use try_combine_conversion to combine NOP_EXPRs
6816 with previous value-handle expressions and use the result if it
6819 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6821 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6823 2006-05-04 Jan Hubicka <jh@suse.cz>
6826 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6828 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6830 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6831 that this only matches CONST_INTs. All users changed to VOIDmode
6834 * config/bfin/bfin.c: Include "optabs.h".
6835 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6837 (enum bfin_builtins): Add a number of fractional and vector builtins.
6838 (bfin_init_builtins): Likewise.
6839 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6840 (safe_vector_operand, bfin_expand_binop_builtin,
6841 bfin_expand_unop_builtin): New functions.
6842 (bfin_expand_builtin): Handle the new builtins.
6843 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6846 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6849 * Makefile.in (OBJS-common): Add see.o.
6850 (see.o): Add dependencies.
6851 * common.opt (fsee): New flag for the see optimization was added.
6852 * opts.c (flag_see): Initialized.
6853 * passes.c (init_optimization_passes, pass_see): New pass.
6854 * rtl.h (see_main): Declaration as extern.
6855 * timevar.def (TV_SEE): New.
6856 * tree-pass.h (pass_see): Declaration as extern.
6857 * invoke.texi (-fsee): Document.
6858 * recog.c (validate_simplify_insn): New function.
6859 * recog.h (validate_simplify_insn): Declaration as extern.
6860 * df-problems.c (df_chain_dump): Check for NULL.
6862 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6863 Daniel Berlin <dberlin@dberlin.org>
6865 * cfgrtl.c (insert_insn_bb_end_new): New function.
6866 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6868 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6870 * df.h (struct web_entry): Moved from web.c.
6871 (union_defs): Declaration as extern.
6872 (unionfind_root): Likewise.
6873 (unionfind_union): Likewise.
6874 * web.c (struct web_entry): Moved to df.h.
6875 (unionfind_root): Remove static declaration.
6876 (unionfind_union): Likewise.
6877 (union_defs): Likewise and generalize to use callback function.
6878 (web_main): Update arguments for union_defs function call.
6880 2006-05-04 Richard Guenther <rguenther@suse.de>
6882 PR tree-optimization/26447
6883 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6884 produce SSA_NAME copies before the store stmt to avoid
6885 breaking exception handling.
6887 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6890 * gimplify.c (omp_is_private): If var is shared in some outer context,
6891 return false instead of true. Stop searching on parallel context
6894 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6897 * coverage.c: Use get_gcov_unsigned_t() instead of
6898 unsigned_type_node all over.
6900 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6902 PR tree-optimization/27381
6903 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6904 maintain the same immediate_use links.
6905 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6906 node rather than segfaulting.
6908 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6911 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6912 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6913 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6915 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6917 Fix PR tree-optimization/26626
6918 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6920 * tree-ssa-operands.c (access_can_touch_variable): Allow
6921 typecasting through union pointers.
6923 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6926 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6927 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6928 to find if var will be a global variable even in the nested context.
6929 (omp_copy_decl): Only check for global variable at the end, it might
6930 be overridden in outer contexts.
6931 (scan_sharing_clauses): For global variables don't create a field.
6932 (lower_rec_input_clauses): Do nothing for global shared variables.
6933 Emit a barrier at the end of ILIST if there were any decls in both
6934 firstprivate and lastprivate clauses.
6935 (lower_send_clauses): Do nothing for global variables except for
6938 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6940 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6941 of the correct signedness is returned.
6943 2006-05-02 Jeff Law <law@redhat.com>
6945 PR tree-optimization/27364
6946 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6947 multiply expressions.
6949 2006-05-02 Tom Tromey <tromey@redhat.com>
6951 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6953 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6956 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6957 -mthumb -fPIC are used.
6959 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6960 Joshua Kinard <kumba@gentoo.org>
6963 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6964 with 64-bit pointers.
6966 2006-05-02 Paul Brook <paul@codesourcery.com>
6968 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6970 (create_fix_barrier): Check that a suitable barrier location is
6972 (arm_reorg): Include ftmp->address in allowable range of addresses.
6974 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6977 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6980 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6983 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6984 around RESULT_DECL for result passed by reference.
6985 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6986 * omp-low.c (use_pointer_for_field): Don't look at
6987 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6988 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6989 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6990 time or var for passing by reference for
6991 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6992 TREE_ADDRESSABLE variables when passing by reference.
6994 * omp-low.c (dump_omp_region): Fix output formatting.
6997 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6998 (expand_omp_parallel): Likewise.
6999 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7002 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7003 on statement list containing also constructors and destructors.
7004 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7007 * except.c (duplicate_eh_regions): Fix clearing of
7008 cfun->eh->region_array entries.
7010 2006-05-01 DJ Delorie <dj@redhat.com>
7012 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7014 (gcc_cv_objdump): Likewise.
7015 * configure: Regenerated.
7017 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7020 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7021 templates for case 3 and 4.
7023 2006-05-01 DJ Delorie <dj@redhat.com>
7025 * vec.c: Include bconfig.h when appropriate.
7026 * Makefile.in (build/vec.o): Adjust dependencies.
7027 * mkconfig.sh: Make sure config.h isn't used for build machine
7030 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7032 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7034 (mark_phi_for_rewrite): New function.
7035 (insert_phi_nodes_for, mark_use_interesting): Call
7036 mark_phi_for_rewrite.
7037 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7038 (update_ssa): Initialize and free phis_to_rewrite.
7040 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7042 PR rtl-optimization/27291
7043 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7044 folded to a constant.
7046 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7048 PR tree-optimization/27283
7049 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7050 not whole # of iteration descriptions.
7051 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7052 uses abnormal ssa name.
7053 (niter_for_single_dom_exit): Ditto.
7054 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7055 return just the number of iterations.
7057 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7059 PR tree-optimization/27144
7060 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7061 (record_estimate): Only record constant upper bound.
7062 (infer_loop_bounds_from_undefined): Call
7063 compute_estimated_nb_iterations just once.
7064 (proved_non_wrapping_p): Renamed to ...
7065 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7066 (convert_step_widening, scev_probably_wraps_p): Call
7067 n_of_executions_at_most instead of proved_non_wrapping_p.
7068 (substitute_in_loop_info): Do not replace values in bounds.
7069 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7072 2006-05-01 Richard Henderson <rth@redhat.com>
7075 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7076 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7079 2006-05-01 Roger Sayle <roger@eyesopen.com>
7081 * c-typeck.c (parser_build_binary_op): Don't call the function
7082 unsigned_conversion_warning to spot operand/result type overflow.
7083 (build_binary_op): Instead, call convert_and_check instead of
7084 convert to report the problem when the operands are promoted.
7085 * c-common.c (unsigned_conversion_warning): Make static.
7086 * c-common.h (unsigned_conversion_warning): Delete prototype.
7088 2006-05-01 Richard Guenther <rguenther@suse.de>
7090 PR tree-optimization/26726
7091 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7093 (find_interesting_uses_address): ... we work around here
7094 by folding INDIRECT_REFs in the substituted base.
7096 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7098 * omp-low.c (dump_omp_region): Add newlines.
7100 2006-04-30 Roger Sayle <roger@eyesopen.com>
7102 * common.opt (Woverflow): New command line option.
7103 * c-common.c (constant_expression_warning): Check warn_overflow.
7104 (overflow_waring): Pass OPT_Woverflow to warning.
7105 (unsigned_conversion_warning): Likewise.
7106 (convert_and_check): Likewise.
7107 * doc/invoke.texi: Document new command line option.
7109 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7111 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7112 TARGET_NO_FP_IN_TOC for section anchors.
7113 (optimization_options): Enable section anchors for all
7114 non-"Objective" languages.
7116 2006-04-28 Eric Christopher <echristo@apple.com>
7118 * config/darwin-c.c (darwin_ms_struct): Move this
7119 (darwin_set_default_type_attributes): and this...
7120 * config/darwin.c: ... here.
7121 * config/darwin.h (darwin_ms_struct): Declare.
7123 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7125 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7127 2006-04-28 Roger Sayle <roger@eyesopen.com>
7130 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7131 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7132 an unsigned HOST_WIDE_INT.
7133 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7135 (really_start_incremental_init): No need to call convert because
7136 bitsize_zero_node is already of type bitsizetype.
7137 (push_init_level): Extract the value of constructor_index as an
7138 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7139 (process_init_element): Likewise.
7141 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7143 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7144 value before passing to make_relative_prefix.
7146 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7149 * builtins.c (expand_builtin_memset): Expand val in original mode.
7151 2006-04-27 Eric Christopher <echristo@apple.com>
7153 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7154 with #ifndef/#endif.
7155 * config/darwin-c.c (darwin_ms_struct): New.
7156 (darwin_pragma_ms_struct): Ditto.
7157 (darwin_set_default_type_attributes): Ditto.
7158 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7159 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7160 Register ms_struct pragma.
7161 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7162 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7163 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7164 darwin_set_default_type_attributes if TARGET_MACHO.
7166 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7168 PR tree-optimization/26854
7169 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7170 * doc/tree-ssa.texi: Update immuse iterator documentation.
7171 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7172 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7173 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7174 first_safe_imm_use, next_safe_imm_use): Remove.
7175 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7176 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7177 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7178 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7179 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7180 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7181 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7182 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7183 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7184 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7185 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7186 (perfect_nestify): Use new iterator.
7187 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7189 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7190 (next_imm_name): New field in struct immediate_use_iterator_d.
7191 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7192 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7193 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7194 * tree-cfg.c (replace_uses_by): Use new iterator.
7195 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7196 * tree-ssa-operands.c (correct_use_link): Remove.
7197 (finalize_ssa_use_ops): No longer call correct_use_link.
7199 2006-04-27 Stuart Hastings <stuart@apple.com>
7201 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7202 * config/t-darwin (crt3.o): Use it.
7203 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7204 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7205 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7206 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7207 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7210 2006-04-27 Roger Sayle <roger@eyesopen.com>
7212 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7213 size, force the intermediate into a new pseudo rather instead of
7214 performing both a bitwise AND and a bitwise IOR in memory.
7216 2006-04-27 Richard Guenther <rguenther@suse.de>
7218 PR rtl-optimization/26685
7219 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7220 this one "max-flow-memory-locations".
7222 2006-04-27 Richard Guenther <rguenther@suse.de>
7224 PR tree-optimization/25148
7225 * tree-vrp.c (compare_values): Remove code dealing with
7226 comparisons against type min/max value. Honour overflow
7227 and negative constants in code dealing with comparisons
7228 of plus and minus expressions.
7229 (value_inside_range): Use fold_binary with LE_EXPR and
7230 GE_EXPR rather than compare_values.
7232 2006-04-27 Dirk Mueller <dmueller@suse.de>
7234 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7237 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7239 * basic-block.h (safe_insert_insn_on_edge): Removed.
7240 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7242 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7243 Paolo Bonzini <bonzini@gnu.org>
7246 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7247 (simplify_and_const_int): Same.
7249 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7251 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7253 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7256 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7257 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7258 cgraph_global_info_ready.
7261 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7264 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7265 either decl or init is error_mark_node.
7268 * tree-flow.h (struct omp_region): Add sched_kind.
7269 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7270 instead of extracting omp for data.
7271 (expand_omp_for): Save extracted sched_kind.
7273 2006-04-25 Roger Sayle <roger@eyesopen.com>
7275 * expmed.c (store_bit_field): Also check whether the bitsize is
7276 valid for the machine's "insv" instruction before moving the
7277 target into a pseudo for use with the insv.
7278 * config/i386/predicates.md (const8_operand): New predicate.
7279 * config/i386/i386.md (extv, extzv, insv): Use the new
7280 const8_operand predicate where appropriate.
7282 2006-04-25 DJ Delorie <dj@redhat.com>
7284 * doc/install.texi (Specific): Clarify that this is not a list of
7285 supported hosts or targets.
7287 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7289 PR rtl-optimization/26725
7290 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7291 block's BB_DIRTY flag.
7293 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7295 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7298 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7299 to print an integer.
7301 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7303 * varasm.c (align_variable): New function.
7304 (get_block_for_decl): Apply align_variable to DECL before
7305 calculating section information.
7306 (assemble_variable): Split out alignment computation.
7308 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7310 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7313 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7315 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7316 MODE_PARTIAL_INT mode.
7317 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7318 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7320 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7321 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7323 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7325 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7327 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7328 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7329 MACFLAG_IH): Likewise.
7330 (movstricthi_1): Renamed from "*movstricthi".
7331 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7332 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7333 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7334 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7335 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7336 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7337 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7338 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7339 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7340 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7341 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7342 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7343 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7344 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7345 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7347 * doc/rtl.texi (ss_ashift): Improve wording.
7349 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7351 * dwarf2out.c (verify_marks_clear): New.
7352 (prune_unused_types): Call verify_marks_clear initially, not
7355 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7357 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7358 * doc/rtl.texi: Document them.
7359 * simplify-rtx.c (simplify_unary_operation,
7360 simplify_binary_operation_1): Don't abort when we see them.
7362 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7365 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7366 * configure.ac: Completely disregard languages that are not
7368 * configure: Regenerated.
7370 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7371 Richard Guenther <rguenther@suse.de>
7373 PR tree-optimization/27236
7374 * tree-inline.c (copy_body_r): Make sure to copy
7375 TREE_THIS_VOLATILE flag.
7377 2006-04-24 Richard Guenther <rguenther@suse.de>
7380 * tree-complex.c (update_parameter_components): Don't handle
7381 unused parameters which have no default def.
7383 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7384 Richard Guenther <rguenther@suse.de>
7386 PR tree-optimization/27218
7387 * tree-inline.c (expand_call_inline): Strip useless type
7388 conversions for the return slot address.
7390 2006-04-24 Richard Guenther <rguenther@suse.de>
7392 * cfgloop.h (struct loops): Remove unused field array. Reorder
7394 (LOOP_PREFETCH): Remove.
7396 2006-04-24 Richard Guenther <rguenther@suse.de>
7398 PR tree-optimization/22525
7399 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7400 variable, adjust types of generated expressions.
7402 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7404 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7405 (tree-vect-patterns.o): Likewise.
7407 (cselib.o): Likewise.
7408 (loop-doloop.o): Likewise.
7409 (regclass.o): Likewise.
7410 (reload1.o): Likewise.
7411 (explow.o): Replace target.h with $(TARGET_H).
7412 (ipa-prop.o): Likewise.
7413 (ipa-cp.o): Likewise.
7414 (ipa-inline.o): Likewise.
7415 (reorg.o): Likewise.
7416 (reg-stack.o): Likewise.
7418 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7420 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7422 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7424 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7426 * configure.ac: Completely disregard languages that are not
7428 * configure: Regenerated.
7431 * c-common.h (c_build_bitfield_integer_type): Declare.
7432 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7433 * c-common.c (c_build_bitfield_integer_type): ... here.
7435 2006-04-23 Roger Sayle <roger@eyesopen.com>
7438 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7439 a SImode SUBREG of a floating point register after no_new_pseudos.
7441 2006-04-23 Roger Sayle <roger@eyesopen.com>
7443 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7444 identify potentially eliminable registers to additionally catch
7445 VIRTUAL_INCOMING_ARGS_REGNUM.
7446 (addsi3): Update the conditions on when to use addsi_small_int.
7448 2006-04-23 Roger Sayle <roger@eyesopen.com>
7451 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7452 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7453 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7455 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7457 * fold-const.c (range_predecessor): Use operand_equal_p
7458 as the predicate for equality.
7459 (range_successor): Likewise.
7461 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7464 * config/soft-fp/op-common.h: Fix a typo.
7466 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7469 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7470 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7472 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7474 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7476 * doc/tm.texi: Fix a typo.
7478 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7480 * dwarf2out.c (struct die_struct): Document that die_sib makes
7481 a circular linked list.
7482 (FOR_EACH_CHILD): New.
7483 (reverse_die_lists): Delete.
7484 (reverse_all_dies): Delete.
7485 (add_dwarf_attr): Correct documentation.
7486 (remove_child_with_prev): New.
7487 (remove_child_TAG): Update for change to die_struct, use
7488 remove_child_with_prev.
7489 (add_child_die): Update for change to die_struct.
7490 (splice_child_die): Use remove_child_with_prev and add_child_die.
7491 (print_die): Use FOR_EACH_CHILD.
7492 (die_checksum): Likewise.
7493 (assign_symbol_names): Likewise.
7494 (output_location_lists): Likewise.
7495 (build_abbrev_table): Likewise.
7496 (calc_die_sizes): Likewise.
7497 (mark_dies): Likewise.
7498 (unmark_dies): Likewise.
7499 (unmark_all_dies): Likewise.
7500 (output_die): Likewise.
7501 (prune_unused_types_mark): Likewise.
7502 (prune_unused_types_walk): Likewise.
7503 (same_die_p): Update for change to die_struct.
7504 (break_out_includes): Likewise.
7505 (prune_unused_types_prune): Likewise.
7506 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7507 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7509 (dwarf2out_finish): Don't call reverse_all_dies.
7511 2006-04-21 Eric Christopher <echristo@apple.com>
7513 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7514 in comments and function names.
7516 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7519 * c-typeck.c (digest_init): Robustify.
7521 * c-typeck.c (pop_init_level): Simplify.
7523 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7525 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7527 2006-04-21 Paul Brook <paul@codesourcery.com>
7529 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7530 hardware floating point.
7532 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7534 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7537 2006-04-21 Nick Clifton <nickc@redhat.com>
7539 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7542 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7545 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7546 C++ lang type in traceback table for Objective-C++.
7548 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7550 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7552 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7554 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7557 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7558 were errors. Remove check for erroneous objects.
7560 2006-04-20 Jeff Law <law@redhat.com>
7562 PR tree-optimization/26854
7563 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7564 checking for zero or one use.
7565 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7566 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7567 * tree-ssa-reassoc.c (negate_value): Similarly.
7568 (reassociate_bb): Similarly.
7570 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7572 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7573 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7574 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7576 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7578 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7579 fp regs if the last fp arg doesn't fit in regs.
7581 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7584 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7585 that the last insn has the REG_INC note.
7587 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7588 Nathan Sidwell <nathan@codesourcery.com>
7591 * stor-layout.c (update_alignment_for_field): Do not align
7593 (place_union_field): Place union field at the start of the union.
7594 (place_field): Move ERROR_MARK check later, and use the current
7595 allocation position to maintain monotonicity.
7597 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7599 * dominance.c: Include timevar.h.
7600 (calculate_dominance_info): Use TV_DOMINANCE.
7601 * timevar.def (TV_DOMINANCE): New timevar.
7602 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7604 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7606 PR rtl-optimization/14261
7607 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7608 move would be an INSV insn.
7609 (noce_process_if_block): Don't optimize if the destination is a
7610 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7612 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7614 * config/s390/s390.md: Add comments with the instructions emitted
7615 by an insn pattern if macros are used.
7617 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7619 PR rtl-optimization/26026
7620 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7621 is a known power of two shifted left a variable amount.
7623 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7625 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7626 to hash table twice when the debug_str section has SECTION_MERGE.
7628 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7630 * config/soft-fp: New directory. From glibc.
7631 * config/soft-fp/t-softfp: New.
7632 * config/soft-fp/README: New.
7633 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7634 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7635 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7636 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7637 * config.gcc: Use rs6000/t-fprules-fpbit or
7638 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7640 * config/rs6000/sfp-machine.h: New. Based on glibc.
7641 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7643 * config/rs6000/t-fprules: Remove fp-bit rules.
7644 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7645 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7646 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7647 (softfp_wrap_start, softfp_wrap_end): New.
7649 2006-04-18 DJ Delorie <dj@redhat.com>
7651 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7653 2006-04-18 Devang Patel <dpatel@apple.com>
7655 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7657 2006-04-18 Nick Clifton <nickc@redhat.com>
7659 * config/sh/t-symbian: Add rule to build sh-c.o
7660 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7661 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7662 (sh_symbian_encode_section_info): Likewise.
7664 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7666 * builtins.c (expand_builtin_strcmp): Cover label definition of
7667 do_libcall with HAVE_cmpstrnsi.
7669 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7671 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7673 * function.h (temp_slot_p): New.
7674 (function): Change the type of x_used_temp_slots to
7675 VEC(temp_slot_p,gc) *.
7677 2006-04-18 Nick Clifton <nickc@redhat.com>
7679 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7680 flag_strength_reduce.
7682 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7684 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7688 Partial revert of revision 112637
7689 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7690 Dale Johannesen <dalej@apple.com>
7693 * regclass.c (struct reg_pref): Update documentation.
7694 (regclass): Set prefclass to NO_REGS if memory is the best option.
7695 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7697 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7699 PR tree-optimization/26821
7700 * tree-ssa-math-opts.c (get_constant_one): New.
7701 (insert_reciprocals): Use it.
7703 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7705 * dwarf2out.c (free_AT): Delete.
7706 (remove_AT): Update string ref counts.
7707 (remove_child_TAG): Don't call free_die.
7709 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7710 or DW_TAG_GNU_EINCL.
7711 (prune_unused_types_walk_attribs): Reset string refcounts.
7712 (prune_unused_types_update_strings): New.
7713 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7714 call free_die. Do call prune_unused_types_update_strings.
7715 (prune_unused_types): Empty debug_str_hash.
7717 2006-04-17 Roger Sayle <roger@eyesopen.com>
7719 * expr.c (expand_assignment): Optimize away no-op moves where the
7720 source and destination are equal and have no side-effects.
7722 2006-04-17 Richard Guenther <rguenther@suse.de>
7725 * reload.c (push_reload): Guard calls to get_secondary_mem
7728 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7730 * alias.c (reg_base_value, old_reg_base_value): Change the
7731 type to VEC(rtx,gc) *.
7732 (REG_BASE_VALUE, find_base_value, record_set,
7733 init_alias_analysis): Use VEC instead of VARRAY.
7735 * alias.c (alias_sets): Change the type to
7736 VEC(alias_set_entry,gc) *.
7737 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7738 VEC instead of VARRAY.
7739 (last_alias_set): Remove.
7741 * cgraph.h (cgraph_edge_p): New.
7742 Update the prototype of cgraph_function_versioning.
7743 * cgraphunit.c (cgraph_copy_node_for_versioning,
7744 cgraph_function_versioning): Use VEC instead of VARRAY.
7745 * ipa-cp.c (ipcp_insert_stage): Likewise.
7747 2006-04-16 Roger Sayle <roger@eyesopen.com>
7750 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7751 "A op B" or "A op C", we may need to convert A to the type of B and C.
7753 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7755 * target.h (struct gcc_target): Add mode_rep_extended.
7756 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7757 (init_num_sign_bit_copies_in_rep): Initialize it using
7759 (truncate_to_mode): Use it.
7760 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7761 * targhooks.h (default_mode_rep_extended): Declare it.
7762 * targhooks.c (default_mode_rep_extended): Define it.
7763 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7764 default_mode_rep_extended.
7765 (TARGET_INITIALIZER): Include it.
7766 * doc/tm.texi (Misc): Document it.
7767 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7768 (mips_truncated_to_mode): New function.
7770 2006-04-16 Roger Sayle <roger@eyesopen.com>
7773 * expr.c (compress_float_constant): Copy the narrow constant into
7774 a new pseudo before extending it to its final width.
7776 2006-04-16 Roger Sayle <roger@eyesopen.com>
7777 Andrew Pinski <pinskia@gcc.gnu.org>
7778 Dale Johannesen <dalej@apple.com>
7781 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7782 special case code to implement V8HImode and V16QImode with SSE2.
7784 2006-04-15 Roger Sayle <roger@eyesopen.com>
7786 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7787 trees are constructed with a suitable tree type.
7789 2006-04-15 Roger Sayle <roger@eyesopen.com>
7791 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7792 (integer_onep): Likewise.
7793 (integer_all_onesp): Likewise.
7794 (integer_pow2p): Likewise.
7795 (integer_nonzerop): Likewise.
7796 (real_zerop): Likewise.
7797 (real_onep): Likewise.
7798 (real_twop): Likewise.
7799 (real_minus_onep): Likewise.
7800 (int_size_in_bytes): Likewise.
7801 (host_integerp): Likewise.
7803 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7805 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7806 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7807 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7809 * tree-ssa-structalias.h (alias_info): Remove num_references.
7811 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7813 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7814 (output_bvb patterns): Likewise.
7815 * pa.c (output_bb): Use 'bb' insn for long branch case.
7816 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7817 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7818 1. Correct length operand for alternatives 1 and 2.
7819 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7820 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7822 2006-04-14 Roger Sayle <roger@eyesopen.com>
7824 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7825 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7826 were accidentally reverted by r112959.
7828 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7831 * except.h (eh_region_outermost): New prototype.
7832 * except.c (eh_region_outermost): New function.
7833 * tree-cfg.c (find_outermost_region_in_block): Use it.
7835 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7837 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7839 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7840 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7841 (init_reload, reload): Use VEC instead of VARRAY.
7842 * reload.h: Update the prototype for
7843 reg_equiv_memory_loc_varray.
7845 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7846 Eric Botcazou <ebotcazou@libertysurf.fr>
7848 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7851 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7854 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7855 to expand fallback builtin function call.
7857 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7860 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7861 and emit libcall here in case the builtin fails.
7862 (expand_builtin_strcmp): Always emit the libcall here on failure.
7864 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7866 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7867 * flow.c (reg_n_info): Change the type to
7868 VEC(reg_info_p,heap) *.
7869 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7871 * regs.h (reg_info_p): New.
7872 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7873 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7874 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7877 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7879 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7881 * params.h (MAX_SCHED_READY_INSNS): New macro.
7882 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7883 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7884 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7885 the ready list for 1 cycle during the first scheduling pass.
7886 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7888 2006-04-13 Richard Henderson <rth@redhat.com>
7891 * gimple-low.c (lower_omp_directive): Remove dead code.
7892 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7893 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7894 * omp-low.c (struct omp_region): Move to tree-flow.h.
7895 (root_omp_region): Export.
7896 (omp_regions, lookup_omp_region): Remove.
7897 (determine_parallel_type): Update for struct omp_region changes.
7898 (dump_omp_region): Dump regions with block numbers.
7899 (new_omp_region): Take type and block instead of stmt; malloc
7901 (free_omp_region_1, free_omp_regions): New.
7902 (expand_parallel_call): Take entry_stmt as argument; update for
7903 changes to omp_region.
7904 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7905 (remove_exit_barriers): New.
7906 (expand_omp_parallel): Update for struct omp_region changes.
7907 (expand_omp_synch): Likewise.
7908 (expand_omp): Likewise.
7909 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7910 (expand_omp_for_static_chunk): Likewise.
7911 (expand_omp_for): Likewise.
7912 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7913 (expand_omp_sections): Similarly, with GOMP_sections_end.
7914 (expand_omp_single): New.
7915 (build_omp_regions_1): Update for OMP_CONTINUE.
7916 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7917 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7918 OMP_SECTIONS_SECTIONS.
7919 (lower_omp_single_simple): Don't emit barrier here.
7920 (lower_omp_single_copy): Likewise.
7921 (lower_omp_single): Fix bindings, and lower to straightline now.
7922 (lower_omp_master, lower_omp_ordered): Likewise.
7923 (lower_omp_critical): Likewise.
7924 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7925 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7926 omp edges, free it afterward.
7927 (make_omp_sections_edges): Remove.
7928 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7929 (move_stmt_r): Handle OMP_CONTINUE.
7930 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7931 statement pointers to basic blocks. Add type member.
7932 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7933 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7934 * tree-inline.c (estimate_num_insns_1): Likewise.
7935 * tree-pretty-print.c (dump_generic_node): Likewise.
7936 * tree-ssa-operands.c (get_expr_operands): Likewise.
7937 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7938 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7939 (OMP_CONTINUE): New.
7940 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7941 (OMP_SECTIONS_SECTIONS): Remove.
7942 (OMP_SECTION_LAST): New.
7943 (OMP_RETURN_NOWAIT): New.
7945 2006-04-13 Roger Sayle <roger@eyesopen.com>
7947 * fold-const.c (native_encode_vector, native_interpret_real):
7948 Correct obvious mistakes in the previous check-in.
7950 2006-04-13 Roger Sayle <roger@eyesopen.com>
7952 * fold-const.c (native_encode_expr): New function to encode
7953 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7954 or VECTOR_CST into a specified buffer.
7955 (native_encode_int): New function.
7956 (native_encode_real): New function.
7957 (native_encode_complex): New function.
7958 (native_encode_vector): New function.
7959 (native_interpret_expr): Inverse of native_encode_expr to convert
7960 a target representation into an INTEGER_CST, REAL_CST etc...
7961 (native_interpret_int): New function.
7962 (native_interpret_real): New function.
7963 (native_interpret_complex): New function.
7964 (native_interpret_vector): New function.
7965 (fold_view_convert_expr): New function to constant fold/evaluate
7966 a VIEW_CONVERT_EXPR of a suitable constant expression.
7967 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7968 Change call of build1 to fold_build1 when constructing a
7971 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7972 Ulrich Weigand <uweigand@de.ibm.com>
7975 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7978 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7981 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7982 optimize to lo_sum for DFmode if !TARGET_FPRS.
7984 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7986 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7987 delete_alias_info, compute_flow_sensitive_aliasing,
7988 group_aliases): Use VEC instead of VARRAY.
7989 * tree-ssa-structalias.c (update_alias_info): Likewise.
7990 * tree-ssa-structalias.h (alias_info): Change the type of
7991 processed_ptrs to VEC(tree,heap) *.
7993 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7996 * config/sh/lib1funcs.h: New file, broken out of:
7997 * config/sh/lib1funcs.asm.
7998 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8000 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8001 * config/sh/lib1funcs-Os-4-200.asm: New file.
8002 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8003 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8004 (EXTRA_MULTILIB_PARTS): Include it.
8005 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8006 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8007 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8008 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8011 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8013 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8014 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8015 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8017 * tree-ssa-live.h: Include vecprim.h.
8018 (tree_partition_associator_d): Change the type of
8019 first_partition to VEC(int,heap) *.
8020 (tpa_first_partition): Use VEC instead of VARRAY.
8022 * Makefile.in (GTFILES): Move functions.h after tree.h.
8023 * function.c (reset_block_changes, record_block_change,
8024 check_block_change, free_block_changes): Use VEC instead of
8026 * function.h (function): Change the type of
8027 ib_boundaries_block to VEC(tree,gc) *.
8028 * tree-inline.c (copy_cfg_body): Initialize
8029 ib_boundaries_block to NULL instead of (varray_type) 0.
8031 2006-04-12 Roger Sayle <roger@eyesopen.com>
8033 * expr.c (emit_group_store): Correct operand order in call to
8034 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8035 a SUBREG_BYTE of zero.
8037 2006-04-12 Richard Guenther <rguenther@suse.de>
8039 * profile.c (compute_branch_probabilities): Remove code
8040 encapsulated in !ir_type (), which are remanents of the
8041 removed RTL profiling code.
8042 * rtl-profile.c: Remove.
8044 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8046 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8047 magic NULL_RTX comment.
8048 (function_arg): Store entire fp arg to mem if any part should go
8050 (rs6000_arg_partial_bytes): Adjust for above change.
8052 2006-04-11 Roger Sayle <roger@eyesopen.com>
8054 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8055 if it hasn't been initialized by dwarf2out_init.
8057 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8059 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8060 symbolic constants in branch patterns.
8062 2006-04-11 Roger Sayle <roger@eyesopen.com>
8064 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8066 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8068 PR rtl-optimization/27073
8069 * gcse.c (try_replace_reg): Revert last change. Continue to search
8070 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8073 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8075 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8076 aggregate types other than record and union types.
8077 (function_arg): Likewise.
8078 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8080 (function_value): In 64-bit mode, return objects that require it
8083 2006-04-11 Roger Sayle <roger@eyesopen.com>
8085 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8087 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8089 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8091 2006-04-03 Jeff Law <law@redhat.com>
8094 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8095 alias information too.
8097 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8099 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8101 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8104 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8105 (premark_used_types_helper): New.
8106 (premark_used_types): New.
8107 (gen_subprogram_die): Call premark_used_types.
8108 (prune_unused_types_walk): Do not prune perennial dies.
8109 * function.c (used_types_insert): New.
8110 * function.h (struct function): Add used_types_hash field.
8111 (used_types_insert): Add prototype.
8112 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8113 * c-parser.c (c_parser_cast_expression): Save casted types in used
8116 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8119 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8120 rs6000_explicit_options.float_gprs.
8122 2006-04-10 Roger Sayle <roger@eyesopen.com>
8124 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8125 from ix86_expand_vector_init_low_nonzero. Take an additional
8126 one_var argument indicating which element is non-zero. Support
8127 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8128 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8129 with one_var instead of ix86_expand_vector_init_low_nonzero.
8131 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8133 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8134 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8135 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8136 build/genextract.o): Depend on vecprim.h.
8137 * cfglayout.c, df-problems.c, function.c, genextract.c,
8138 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8139 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8143 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8145 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8146 Declare VECs of this type.
8147 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8148 (remove_children): Delete.
8149 (add_dwarf_attr): Use VEC routines.
8150 (add_AT_flag): Update for changes to add_dwarf_attr.
8151 (add_AT_int): Likewise.
8152 (add_AT_unsigned): Likewise.
8153 (add_AT_long_long): Likewise.
8154 (add_AT_vec): Likewise.
8155 (add_AT_string): Likewise.
8156 (add_AT_die_ref): Likewise.
8157 (add_AT_fde_ref): Likewise.
8158 (add_AT_loc): Likewise.
8159 (add_AT_loc_list): Likewise.
8160 (add_AT_addr): Likewise.
8161 (add_AT_lbl_id): Likewise.
8162 (add_AT_lineptr): Likewise.
8163 (add_AT_macptr): Likewise.
8164 (add_AT_offset): Likewise.
8165 (add_AT_range_list): Likewise.
8166 (get_AT): Use VEC_iterate.
8167 (remove_AT): Use VEC_ordered_remove.
8168 (free_die): Fold remove_children into here; have it use VEC_iterate.
8169 (print_die): Use VEC_iterate on attrs.
8170 (reverse_die_lists): Don't reverse attr lists.
8171 (die_checksum): Use VEC_iterate on attrs.
8172 (same_die_p): Likewise.
8173 (output_location_lists): Likewise.
8174 (build_abbrev_table): Likewise.
8175 (size_of_die): Likewise.
8176 (unmark_all_dies): Likewise.
8177 (output_abbrev_section): Likewise.
8178 (output_die): Likewise.
8179 (prune_unused_types_walk_attribs): Likewise.
8181 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8183 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8185 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8188 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8190 2006-04-09 Roger Sayle <roger@eyesopen.com>
8192 * expr.c (store_constructor): Don't bother clearing target if
8193 we're about to assign a vector to it using vec_init_optab.
8195 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8197 * tree-ssa-alias.c (lhs_may_store_to): New function.
8198 (recalculate_used_alone): Handle LHS of calls.
8200 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8204 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8205 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8206 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8207 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8208 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8209 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8210 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8211 stubs. Add ".align 8" directives before all ".dword" directives.
8212 (GTHREAD_USE_WEAK): Revise comment.
8213 (TARGET_ATTRIBUTE_WEAK): Define.
8214 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8215 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8216 * stublib.c: New file.
8221 * pa.md (cbranch patterns): Revise arguments used in calls to
8222 output_cbranch, output_bb and output_bvd. Add long branch length
8224 (fbranch patterns): Handle long branches.
8225 (jump): Revise length check. Revise arguments for output_lbranch call.
8226 Add long branch length attributes.
8227 (decrement_and_branch_until_zero): Add long branch length attributes.
8228 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8229 Likewise. Revise arguments for output_parallel_addb and
8230 output_parallel_movb calls.
8231 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8232 output_parallel_movb and output_parallel_addb): Update prototypes.
8233 * pa.c (output_cbranch): Revise arguments. Correct handling of
8234 nullification in long branches.
8235 (output_lbranch): Add new argument to control extraction of delay
8237 (output_bb): Handle long branches.
8238 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8239 output_parallel_addb): Likewise.
8241 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8243 PR rtl-optimization/27073
8244 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8247 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8249 * tree.h (tree_memory_tag): Add old_used_alone.
8250 (SMT_OLD_USED_ALONE): New macro.
8251 * tree-ssa-alias.c (recalculate_used_alone): Stop
8252 marking things for renaming unnecessarily.
8254 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8256 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8257 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8258 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8259 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8260 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8261 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8262 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8263 spelling convensions.
8264 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8265 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8266 typos. Follow spelling conventions.
8268 2006-04-07 DJ Delorie <dj@redhat.com>
8270 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8271 passed on the stack.
8272 (m32c_init_cumulative_args): When a function returns a structure,
8273 always pass the pointer to that return area on the stack.
8274 (m32c_function_arg_advance): Don't increment the parameter number
8275 if we're processing the returned structure pointer.
8276 (pushm_info): Reverse order of registers.
8278 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8280 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8281 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8282 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8283 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8285 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8286 chrec_fold_multiply): Same.
8287 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8288 force_expr_to_var_cost): Same.
8289 * tree-mudflap.c (mf_xform_derefs_1): Same.
8290 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8292 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8294 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8295 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8298 2006-04-07 Jan Hubicka <jh@suse.cz>
8300 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8302 2006-04-07 Richard Guenther <rguenther@suse.de>
8304 PR tree-optimization/26135
8305 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8306 loads for store copy-prop.
8307 (copy_prop_visit_stmt): Likewise.
8309 2006-04-05 Robert Millan <robertmh@gnu.org>
8311 * config/i386/linux.h: Add a comment to mark macros that are
8312 being overriden in config/k*bsd-gnu.h.
8313 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8315 * config/knetbsd-gnu.h: Ditto.
8317 2006-04-06 Jan Hubicka <jh@suse.cz>
8321 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8324 2006-04-06 Mike Stump <mrs@apple.com>
8326 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8327 for HAVE_nonlocal_goto to be consistent.
8328 (expand_builtin_nonlocal_goto): Likewise.
8329 (expand_builtin_strcmp): Use #ifdef instead of #if
8330 for HAVE_cmpstrnsi to be consistent.
8332 2006-04-05 DJ Delorie <dj@redhat.com>
8334 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8337 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8339 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8340 got-relative addressing for anything but SImode.
8342 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8343 even if the calling function doesn't modify them.
8345 2006-04-05 Richard Guenther <rguenther@suse.de>
8347 PR tree-optimization/26919
8348 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8349 to cgraph_estimate_size_after_inlining.
8351 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8353 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8355 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8357 PR tree-optimization/26996
8358 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8359 VECTOR_TYPE variables.
8361 2006-04-05 Richard Guenther <rguenther@suse.de>
8363 PR tree-optimization/26763
8364 * fold-const.c (fold_comparison): Move folding of
8365 PTR + CST CMP PTR + CST ...
8366 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8368 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8370 * doc/install.texi (Prerequisites): Refine some wording on
8371 bootstrapping and ksh.
8372 Move the version numbers of DejaGnu here from the testing section
8373 and fix casing of names.
8374 Fix markup and clarify wording for autogen requirements.
8375 Refer to GCJ instead of just java.
8376 Refer to SVN instead of CVS.
8377 Describe diffutils as useful instead of necessary.
8378 (Downloading the source): Refer to SVN instead of CVS.
8379 Adjust a link to our web site accordingly.
8380 (Configuration): Fix casing of Bison.
8381 (Building): Refer to SVN instead of CVS.
8382 Fix a sentence on the use of Bison and remove duplicate (and
8383 incorrect) version number of Bison requirement.
8384 Remove one redundant list of packages needed for building.
8385 (Specific): Avoid reference to CVS.
8387 2006-04-04 Eric Christopher <echristo@apple.com>
8389 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8390 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8391 (rs6000_handle_struct_attribute): New.
8392 (rs6000_ms_bitfield_layout_p): Ditto.
8394 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8396 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8397 NULL for dso parameter to atexit_common.
8399 2006-04-04 Eric Christopher <echristo@apple.com>
8401 * config/i386/i386.c (machopic_output_stub): Output \t
8402 between instructions and operands.
8404 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8406 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8407 satisfies_constraint_[IL] to explicit tests on value.
8409 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8411 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8412 set_nb_iterations_in_loop): Use build_int_cst instead of
8414 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8415 build_int_cst instead of convert.
8417 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8419 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8420 new value 2 for incoming.
8421 * function.c (expand_function_start): Call struct_value_rtx
8423 * config/sparc/sparc.md: Comment updated_return.
8424 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8425 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8426 struct return if sparc_std_struct_return and incoming is 2.
8427 (print_operand): Do not adjust return if
8428 sparc_std_struct_return.
8430 2006-04-04 Roger Sayle <roger@eyesopen.com>
8432 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8433 convert in the middle-end.
8434 * expr.c (store_expr, store_constructor, get_inner_reference,
8435 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8437 * tree.c (build_range_type): Likewise.
8439 2006-04-04 Tom Tromey <tromey@redhat.com>
8441 * doc/install.texi (Prerequisites): Mention jar.
8443 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8445 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8448 2006-04-04 Matthias Klose <doko@debian.org>
8450 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8454 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8457 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8459 * doc/extend.texi (Function Attributes): Rewrite visibility
8460 attribute documentation.
8461 * doc/invoke.texi (C++ Dialect Options): Rewrite
8462 -fvisibility-inlines-hidden documentation to describe something
8463 entirely different, although in practise compatible.
8464 (Code Gen Options): Warn about system headers in -fvisibility=
8467 * doc/extend.texi (Other Builtins): Document that
8468 __builtin_nan is a compile-time constant only when its argument
8471 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8473 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8474 trying to remove TRUNCATE check if all bits outside the new mode
8475 are identical to the sign bit.
8477 2006-04-03 Jeff Law <law@redhat.com>
8479 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8480 and operand scanning in some common cases.
8482 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8483 Dale Johannesen <dalej@apple.com>
8486 * regclass.c (struct reg_pref): Update documentation.
8487 (regclass): Set prefclass to NO_REGS if memory is the best option.
8488 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8489 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8490 into account. For non-registers, equate an empty preferred
8491 reload class to a `!' in the constraint; move the if clause to
8492 do so after those that reject the insn.
8493 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8495 (find_dummy_reload): Likewise.
8496 * doc/tm.texi (Register Classes): Document what it means
8497 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8498 * config/i386/i386.c (ix86_preferred_reload_class): Force
8499 using SSE registers (and return NO_REGS for floating-point
8500 constants) if math is done with SSE.
8501 (ix86_preferred_output_reload_class): New.
8502 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8503 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8504 * config/i386/i386.md: Remove # register preferences.
8506 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8509 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8510 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8511 the type of nb_iter.
8512 (instantiate_parameters_1): Convert the operands before calling
8513 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8514 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8516 2006-04-02 Roger Sayle <roger@eyesopen.com>
8518 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8519 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8521 * dojump.c (do_jump): Likewise.
8522 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8523 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8524 gimplify_boolean_expr): Likewise.
8525 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8526 * varasm.c (array_size_for_constructor): Likewise.
8527 * tree-object-size.c (compute_object_offset): Likewise.
8529 2006-04-02 Roger Sayle <roger@eyesopen.com>
8532 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8533 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8535 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8537 PR tree-optimization/26939
8538 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8540 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8542 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8543 at_stmt. Convert the type of operands before calling
8544 build_polynomial_chrec.
8545 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8547 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8548 (instantiate_parameters_1): Convert the type of operands before calling
8549 build_polynomial_chrec.
8550 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8551 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8552 reset_evolution_in_loop): Insert asserts to check the types of the
8554 (chrec_type): Moved...
8555 (eq_evolutions_p): Use operand_equal_p.
8556 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8557 the types of the operands.
8558 (chrec_type): ...here.
8559 * tree-data-ref.c (create_data_ref): Convert the operands before
8560 calling chrec_replace_initial_condition.
8561 (same_access_functions, analyze_subscript_affine_affine,
8562 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8563 (compute_subscript_distance, analyze_ziv_subscript,
8564 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8565 analyze_miv_subscript): Convert the operands before calling
8566 chrec_fold_minus or chrec_fold_plus.
8568 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8570 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8571 the dependence_relations vector.
8572 (compute_data_dependences_for_loop): Adjust call to
8573 compute_all_dependences.
8575 2006-04-01 Roger Sayle <roger@eyesopen.com>
8576 Richard Henderson <rth@redhat.com>
8578 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8579 gimple_boolify on the condition before calling gimplify_expr.
8581 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8583 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8584 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8585 the frame size. Update to use the new macros.
8586 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8587 * config/xtensa/ieee754-df.S: Likewise.
8589 2006-03-31 Richard Henderson <rth@redhat.com>
8591 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8592 (make_edges): ... here. Control fallthru creation with a local
8593 variable. Do not play with fake edges.
8594 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8595 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8598 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8600 * dwarf2.h (DW64_CIE_ID): Define.
8601 * dwarf2out.c (DWARF_CIE_ID): Define.
8602 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8603 length header. Use DWARF_CIE_ID.
8604 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8605 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8607 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8609 * config/sh/linux-atomic.asm: New file.
8610 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8612 2006-03-31 DJ Delorie <dj@redhat.com>
8614 * config/m32c/cond.md: Set condition flags properly throughout.
8615 * config/m32c/minmax.md: Likewise.
8616 * config/m32c/prologue.md: Likewise.
8617 * config/m32c/bitops.md: Likewise.
8618 * config/m32c/muldiv.md: Likewise.
8619 * config/m32c/mov.md: Likewise.
8620 * config/m32c/addsub.md: Likewise.
8621 * config/m32c/m32c.md: Likewise.
8622 * config/m32c/jump.md: Likewise.
8623 * config/m32c/shift.md: Likewise.
8625 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8626 conditionally output the pattern for this.
8627 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8628 (m32c_compare_redundant): New.
8629 (m32c_output_compare): New.
8630 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8632 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8633 dest, not src. Allow other 4-byte modes.
8635 2006-03-30 Denis Chertykov <denisc@overta.ru>
8637 * doc/md.texi: Refer to avr/constraints.md instead of
8640 2006-03-30 Roger Sayle <roger@eyesopen.com>
8642 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8643 signed vs. unsigned comparison failures on some hosts.
8645 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8648 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8649 change to FLOAT_REGS.
8651 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8652 (rs6000_override_options): Use it.
8653 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8654 only for -mabi=spe/no-spe and -mabi=altivec.
8656 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8658 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8661 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8663 * Makefile.in: Rename docdir to gcc_docdir.
8665 2006-03-30 Roger Sayle <roger@eyesopen.com>
8668 * expr.c (emit_group_store): Optimize group stores into a pseudo
8669 register by using a paradoxical subreg to initialize the destination
8670 if the first or last member of the group specifies a "low part".
8672 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8675 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8676 * target.h (struct gcc_target.speculate_insn): Change type of the
8677 second parameter to 'int'.
8678 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8679 the second operand of the DEPS_LIST.
8680 (copy_DEPS_LIST_list): Update reference to the second operand of the
8682 * rtl.h (alloc_DEPS_LIST): Update signature.
8683 * sched-int.h (ds_t): Change typedef to 'int'.
8684 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8686 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8688 * haifa-sched.c (try_ready): Change condition to restore
8689 non-speculative pattern of the instruction.
8690 (process_insn_depend_be_in_spec): Code to keep probability of the
8691 speculative dependence non-decreasing.
8693 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8695 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8696 (single_move_for_movmem): ... this. Also change all uses.
8697 (bfin_expand_strmov): Renamed to...
8698 (bfin_expand_movmem): ... this. Also change all uses.
8699 * config/bfin/bfin.md (movstrsi): Renamed to...
8700 (movstrsi): ...this.
8702 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8704 PR tree-optimization/26830
8706 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8707 (copy_prop_visit_stmt): Remove write-only variable ann.
8708 (init_copy_prop): Check variable loop depth here. Do not simulate
8709 memory-tag and virtual operand PHIs except for store copy prop.
8711 2006-03-30 Richard Guenther <rguenther@suse.de>
8713 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8714 variants with double arguments.
8716 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8718 * genpreds.c (write_tm_constrs_h): Delete variable p.
8719 * genconditions.c (write_header): Add tm-constrs.h to included
8721 * genpeep.c (main): Add toplev.h to included headers.
8722 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8723 (build/genpeep.o): Add toplev.h dependency.
8724 * config/rs6000/constraints.md: Add "W" constraint.
8726 2006-03-29 Roger Sayle <roger@eyesopen.com>
8728 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8729 sizes by correctly testing whether the size fits a host integer.
8730 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8731 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8732 SImode range for the default sizetype and bitsizetype.
8734 2006-03-29 Roger Sayle <roger@eyesopen.com>
8736 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8737 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8738 quickly if the argument is already of the correct type.
8739 Call fold_build1 instead of build1. Tidy up blank lines.
8741 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8743 * genemit.c (main): Add tm-constrs.h to included headers.
8744 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8745 * genpeep.c (main): Add tm-constrs.h to included headers.
8746 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8747 (write_tm_constrs_h): this and write complete file.
8748 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8749 (write_insn_preds_c): Add tm-constrs.h to included headers.
8750 (gen_constrs): New variable.
8751 (parse_option): Parse "-c".
8752 (main): Invoke write_tm_constrs_h.
8753 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8754 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8755 (object_out_file): Add tm-constrs.h dependency.
8756 (insn-emit.o): Same.
8757 (insn-output.o): Same.
8758 (insn-peep.o): Same.
8759 (insn-preds.o): Same.
8760 (insn-recog.o): Same.
8761 (tm-constsr.h): New target.
8762 (s-constrs-h): New target.
8764 * config/rs6000/constraints.md: New file.
8765 * config/rs6000/rs6000.c: Include tm-constrs.h.
8766 (num_insn_constant_wide): Convert to satisfies_constraint.
8767 (rs6000_rtx_costs): Convert to satisfies_constraint.
8768 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8769 (CONST_OK_FOR_LETTER_P): Delete.
8770 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8771 (EXTRA_CONSTRAINT): Delete.
8772 (EXTRA_MEMORY_CONSTRAINT): Delete.
8773 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8774 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8775 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8776 satisfies_constraint.
8778 * config/i386/i386.c: Include tm-constrs.h.
8780 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8782 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8783 * tree-data-ref.c (find_data_references_in_loop,
8784 compute_data_dependences_for_loop): Use pointers to VEC.
8785 (analyze_all_data_dependences): Adjust calls.
8786 * tree-data-ref.h (find_data_references_in_loop,
8787 compute_data_dependences_for_loop): Adjust declarations.
8788 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8789 compute_data_dependences_for_loop.
8791 2006-03-29 Paul Brook <paul@codesourcery.com>
8793 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8796 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8798 PR tree-optimization/26859
8799 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8801 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8802 for the step after fold_convert.
8804 2006-03-29 Paul Brook <paul@codesourcery.com>
8806 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8807 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8809 2006-03-29 Paul Brook <paul@codesourcery.com>
8812 * targhooks.c (default_narrow_bitfield): New fuction.
8813 * targhooks.h (default_narrow_bitfield): add prototype.
8814 * target.h (gcc_target): Add narrow_volatile_bitfield.
8815 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8816 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8817 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8818 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8820 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8822 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8824 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8825 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8826 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8827 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8828 (s390_function_arg_float): Allow SDmode and DDmode values to be
8829 passed in floating point registers.
8830 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8831 check with SCALAR_FLOAT_MODE_P.
8832 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8834 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8836 PR tree-optimization/25985
8837 * tree-ssa-loop-niter.c (number_of_iterations_le,
8838 number_of_iterations_ne): Make comments more precise.
8839 (number_of_iterations_cond): Add only_exit argument. Use the
8840 fact that signed variables do not overflow only when only_exit
8842 (loop_only_exit_p): New.
8843 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8844 number_of_iterations_cond.
8846 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8848 PR tree-optimization/26643
8849 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8852 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8854 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8855 (divsi3_i4_int): Likewise.
8857 2006-03-28 Roger Sayle <roger@eyesopen.com>
8859 * expr.c (emit_group_store): Only create a new pseudo reg if the
8860 quantity it needs to hold isn't already a suitable pseudo.
8862 2006-03-28 Jeff Law <law@redhat.com>
8864 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8865 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8867 2006-03-28 Roger Sayle <roger@eyesopen.com>
8869 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8870 the equivalent ~X & Y, and the symmetry related transformations.
8871 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8872 ~X & Y, and symmetry related transforms.
8874 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8876 Revert my 2006-03-27 patches.
8878 2006-03-28 Roger Sayle <roger@eyesopen.com>
8880 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8881 ~(T1)X, when T1 and T2 are integer types of the same precision
8882 and (T2)X isn't an extension.
8884 2006-03-28 Jeff Law <law@redhat.com>
8886 PR tree-optimization/26796
8887 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8888 need EH edge cleanups rather than purging them immediately.
8889 (eliminate_degenerate_phis): Handle queued EH cleanups.
8891 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8893 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8896 2006-03-27 Roger Sayle <roger@eyesopen.com>
8899 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8900 cast BIT_NOT_EXPR operand to the correct type.
8902 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8904 * tree-loop-linear.c: Don't include varray.h.
8905 (gather_interchange_stats, try_interchange_loops,
8906 linear_transform_loops): Use VEC instead of VARRAY.
8907 * lambda-mat.c: Don't include varray.h.
8908 * tree-chrec.c: Same.
8909 * lambda-trans.c: Same.
8910 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8911 VEC instead of VARRAY.
8912 * tree-vectorizer.h: Idem.
8913 * tree-data-ref.c (dump_data_references,
8914 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8915 initialize_data_dependence_relation, finalize_ddr_dependent,
8916 compute_all_dependences, find_data_references_in_loop,
8917 compute_data_dependences_for_loop, analyze_all_data_dependences,
8918 free_dependence_relation, free_dependence_relations,
8919 free_data_refs): Idem.
8920 * tree-data-ref.h (data_reference_p, subscript_p): New.
8921 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8922 VEC instead of VARRAY.
8923 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8924 (find_data_references_in_loop, compute_data_dependences_for_loop,
8925 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8926 dump_data_dependence_relations, free_dependence_relations,
8927 free_data_refs): Adjust declaration.
8928 (lambda_transform_legal_p): Move declaration here...
8929 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8930 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8931 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8932 vect_analyze_data_refs): Use VEC instead of VARRAY.
8933 * lambda.h (lambda_transform_legal_p): ...from here.
8934 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8935 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8936 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8937 tree-chrec.o): Don't depend on VARRAY_H.
8939 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8941 * rtl.def (Copyright): Update date.
8942 (DEPS_LIST): Change type of the second operand to 'int'.
8943 * target.h (Copyright): Update date.
8944 (struct gcc_target.speculate_insn): Change type of the second parameter
8946 * lists.c (Copyright): Update date.
8947 (alloc_DEPS_LIST): Change signature. Update reference to the second
8948 operand of the DEPS_LIST.
8949 (copy_DEPS_LIST_list): Update reference to the second operand of the
8951 * rtl.h (Copyright): Update date.
8952 (alloc_DEPS_LIST): Update signature.
8953 * sched-int.h (Copyright): Update date.
8954 (ds_t): Change typedef to 'int'.
8955 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8957 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8959 * haifa-sched.c (Copyright): Update date.
8960 (try_ready): Change condition to restore non-speculative pattern
8962 (process_insn_depend_be_in_spec): Code to keep probability of the
8963 speculative dependence non-decreasing.
8965 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8967 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8968 shut up the compiler.
8970 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8972 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8973 to use lib prefix for target.
8974 ($(T)libic_invalidate_array_4-200.a): Likewise.
8975 ($(T)libic_invalidate_array_4a.a): Likewise.
8977 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8978 J"orn Rennecke <joern.rennecke@st.com>
8980 * superh.opt: New file.
8981 * sh.c (boardtype, osruntime): Remove.
8982 * superh.h (SUBTARGET_OPTIONS): Remove.
8983 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8985 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8986 arguments with ^ and/or [].
8988 * config.gcc (sh-*-*): Add quoting to account for quirk of
8990 Replace == with = in enable_incomplete_targets test.
8992 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8993 with MASK_LITTLE_ENDIAN.
8995 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8996 * config/sh/sh.opt: Added to some comments.
8997 * config/sh/superh.h: Removed some chaff.
8999 * config/sh/sh.opt: Add m4-[1234]00* options.
9000 * config/sh/sh.c (sh_handle_option): Likewise.
9001 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9002 (ic_invalidate_array_4-100.o): New rule.
9003 ($(T)libic_invalidate_array_4-100.a): Likewise.
9004 (ic_invalidate_array_4-200.o): Likewise.
9005 ($(T)libic_invalidate_array_4-200.a): Likewise.
9006 (ic_invalidate_array_4a.o): Likewise.
9007 ($(T)libic_invalidate_array_4a.a): Likewise.
9008 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9009 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9011 * config/sh/crt1.asm: Merged in profiling code.
9012 * config/sh/superh.h (STARTFILE_SPEC): Override.
9013 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9014 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9015 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9017 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9018 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9019 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9021 * sh.opt (mpretend-cmove): New option.
9022 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9023 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9024 (movsicc): Add TARGET_PRETEND_CMOVE code.
9026 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9028 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9029 s390_class_max_nregs): New function prototypes.
9030 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9031 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9032 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9033 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9035 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9037 * dwarf2out.c (add_location_or_const_value_attribute): Call
9038 tree_add_const_value_attribute if nothing else works.
9039 (reference_to_unused): New.
9040 (rtl_for_decl_init): Use reference_to_unused to decide whether
9041 to output an initializer.
9043 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9046 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9047 peephole removing spe frob_di_df_2.
9049 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9051 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9052 (subscript_dependence_tester_1): Declared.
9053 (print_dir_vectors, print_dist_vectors): New.
9054 (debug_data_dependence_relation): New.
9055 (dump_data_dependence_relation): Print more details.
9056 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9057 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9058 (save_dist_v, save_dir_v, add_outer_distances,
9059 build_classic_dist_vector_1): New.
9060 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9061 Don't test for lambda_vector_lexico_pos.
9062 (same_access_functions, add_multivariate_self_dist,
9063 add_other_self_distances, dir_from_dist): New.
9064 (build_classic_dir_vector): Replace implementation almost identical to
9065 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9067 (subscript_dependence_tester_1): New.
9068 (subscript_dependence_tester): Handle the lexicographically negative
9069 distance vectors by recomputing the dependence relation.
9070 (compute_affine_dependence): Remove parameter loop_nest_depth.
9071 (compute_self_dependence): Don't call compute_subscript_distance.
9072 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9073 Add a parameter for the loop_nest.
9074 (find_loop_nest_1, find_loop_nest): New.
9075 (compute_data_dependences_for_loop): Compute the loop nest, and give
9076 up if the nest is not well formed.
9077 * tree-data-ref.h (loop_p): New.
9078 (struct data_dependence_relation): Replace size_vect field with
9079 loop_nest, a vec of loops.
9080 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9081 (DDR_LOOP_NEST): New.
9082 (print_dir_vectors, print_dist_vectors,
9083 debug_data_dependence_relation): Declared.
9084 (index_in_loop_nest): New.
9085 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9086 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9089 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9091 * simplify-rtx.c (simplify_relational_operation): Call
9092 simplify_relational_operation_1 even if mode is VOIDmode.
9094 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9096 PR tree-optimization/26804
9097 * tree.h (DECL_CALL_CLOBBERED): New macro.
9098 (tree_decl_common): Add call_clobbered_flag.
9099 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9100 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9101 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9102 (mark_non_addressable): Ditto.
9103 * tree-ssa.c (verify_call_clobbered): New function.
9104 (verify_alias_info): Use it.
9105 * tree-pass.h (pass_reset_cc_flags): New prototype.
9106 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9107 (reset_cc_flags): New function.
9108 * passes.c (init_optimization_passes): Call reset_cc_flags after
9109 initializing referenced_vars.
9111 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9112 Roger Sayle <roger@eyesopen.com>
9115 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9116 to 1.0 for non-real operands. Implement A / A optimization for
9119 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9121 * config/i386/i386.c (size_cost): Correct the comment for
9122 cost of storing fp registers.
9123 (i386_cost): Likewise.
9124 (i486_cost): Likewise.
9125 (pentium_cost): Likewise.
9126 (pentiumpro_cost): Likewise.
9127 (k6_cost): Likewise.
9128 (athlon_cost): Likewise.
9129 (k8_cost): Likewise.
9130 (pentium4_cost): Likewise.
9131 (nocona_cost): Likewise.
9132 (generic64_cost): Likewise.
9133 (generic32_cost): Likewise.
9135 2006-03-24 Denis Chertykov <denisc@overta.ru>
9137 * config/avr/avr-protos.h (extra_constraint): Delete.
9138 (extra_constraint_Q): New declaration.
9139 * config/avr/constraints.md: New file.
9140 * config/avr/avr.md: Include it.
9141 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9142 (TMP_REGNO, ZERO_REGNO): Likewise.
9143 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9144 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9145 (extra_constraint): Delete.
9146 (extra_constraint_Q): Test for memory constraint 'Q'.
9147 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9148 (REG_CLASS_FROM_LETTER): Delete.
9149 (CONST_OK_FOR_LETTER_P): Delete.
9150 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9151 (EXTRA_CONSTRAINT): Delete.
9152 (TMP_REGNO): Delete.
9153 (ZERO_REGNO): Delete.
9155 2006-03-24 Jeff Law <law@redhat.com>
9157 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9158 directly. Call mark_new_vars_to_rename slightly earlier.
9160 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9162 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9164 (gen_compile_unit_die): Use new language types for Objective-C and
9166 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9167 DW_LANG_C_plus_plus.
9170 * config/t-darwin (crt3.o): Work around bug 26840.
9171 * config/darwin-crt3.c: Rewrite.
9172 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9174 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9176 * doc/invoke.texi: Document -femit-class-debug-always
9177 * common.opt: Add -femit-class-debug-always.
9179 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9181 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9182 index and base register.
9183 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9184 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9185 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9186 REGNO_OK_FOR_INDEX_P.
9187 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9189 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9190 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9191 REG_OK_FOR_BASE_P): Definitions removed.
9193 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9196 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9197 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9198 set yet or weren't marked as local yet.
9200 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9202 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9205 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9207 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9208 (rs6000_legitimate_small_data_p): Delete.
9209 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9210 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9211 and make static. Add forward declaration. Update uses.
9212 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9213 of offsettable_memref_p.
9214 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9215 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9217 2006-03-24 Jeff Law <law@redhat.com>
9219 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9220 around bug in immediate-use iterator.
9222 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9225 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9226 or __LITTLE_ENDIAN__.
9228 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9230 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9231 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9232 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9233 * config/sh/sh.opt (mdiv=): Amend description.
9234 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9235 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9236 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9237 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9238 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9239 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9240 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9241 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9242 TARGET_DIVIDE_CALL_FP.
9244 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9246 * haifa-sched.c (choose_ready): Fix type of the local variable.
9247 Move local variables. Add comment.
9248 (check_reg_live): Change signature. Make callable from debugger.
9249 * sched-int.h (check_reg_live): Update signature.
9250 * sched-ebb.c (check_reg_live): Update parameters.
9251 * sched-rgn.c (check_reg_live): Ditto.
9252 (region_head_or_leaf_p): Check pointer before dereferencing.
9253 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9254 before reload on optimization levels below 1.
9256 2006-03-23 Richard Henderson <rth@redhat.com>
9258 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9262 * config/alpha/predicates.md (local_symbolic_operand): Reject
9265 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9268 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9269 expressions which have overflowed constants.
9271 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9273 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9275 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9277 * cfgloopmanip.c (create_loop_notes): Removed.
9278 * final.c (final_scan_insn): Do not handle loop notes.
9279 * jump.c (squeeze_notes): Ditto.
9280 * cfglayout.c (skip_insns_after_block,
9281 duplicate_insn_chain): Ditto.
9282 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9284 * cfgloop.h (create_loop_notes): Declaration removed.
9286 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9288 * varasm.c (output_constant_pool): Restore fnname and fndecl
9290 (assemble_start_function): Adjust call accordingly.
9291 (assemble_end_function): Likewise.
9293 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9296 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9299 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9301 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9304 * system.h (ICE_EXIT_CODE): New macro.
9305 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9306 (diagnostic_action_after_output): Likewise.
9307 * gcc.c (fatal_ice): New function.
9308 (execute): Use it instead of fatal.
9309 (fancy_abort): Likewise.
9310 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9312 2006-03-22 Jeff Law <law@redhat.com>
9314 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9315 iv_analyze_result returning false.
9317 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9319 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9321 2006-03-22 Richard Henderson <rth@redhat.com>
9324 * except.c (duplicate_eh_regions_0): New.
9325 (duplicate_eh_region_1): Duplicate the children of the node as
9326 well as the node itself. Link them up properly.
9327 (duplicate_eh_region_2): Merge into ...
9328 (duplicate_eh_regions): ... here. Take copy_region argument, and
9329 copy only a sub-tree if asked. Simplify copying and fixup.
9330 (eh_region_outer_p): New.
9331 * except.h (duplicate_eh_regions): Update decl.
9332 (eh_region_outer_p): Declare.
9333 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9334 (lower_omp_master): Likewise.
9335 (lower_omp_ordered): Likewise.
9336 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9337 (move_stmt_r): Use it to remap labels. Handle recursion vs
9338 remap_decls_p properly.
9339 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9340 (find_outermost_region_in_block): New.
9341 (new_label_mapper): New.
9342 (move_sese_region_to_fn): Copy eh information to the new function
9344 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9346 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9349 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9351 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9352 into shared libraries.
9354 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9356 * doc/md.texi: Refer to i386/constraints.md instead of
9358 * config/i386/constraints.md: New file, extracted from...
9359 * config/i386/predicates.md: ...here.
9360 * config/i386/i386.md: Include constraints.md.
9362 2006-03-21 Jason Merrill <jason@redhat.com>
9364 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9367 * expr.c (init_block_move_fn): Force default visibility.
9368 (init_block_clear_fn): Likewise.
9369 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9370 * targhooks.c (default_external_stack_protect_fail): Likewise.
9372 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9374 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9375 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9376 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9377 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9378 (loadgp): Use mips_current_loadgp_style.
9379 (loadgp_noshared): New pattern.
9380 (sibcall_internal): Use MIPS_CALL.
9381 (sibcall_value_internal): Likewise.
9382 (sibcall_value_multiple_internal): Likewise.
9383 (call_internal): Likewise.
9384 (call_value_internal): Likewise.
9385 (call_value_multiple_internal): Likewise.
9386 (call_split): Use MIPS_CALL and add an 'S' constraint.
9387 (call_value_split): Likewise.
9388 (call_value_multiple_split): Likewise.
9389 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9390 (-mshared): New option.
9391 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9392 (mips_current_loadgp_style): Declare.
9393 * config/mips/mips.c (mips_classify_symbol): Avoid using
9394 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9395 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9396 TARGET_ABSOLUTE_ABICALLS.
9397 (override_options): Adjust comments. Improve the warning that is
9398 issued when -mabicalls and -G are used together.
9399 (mips_file_start): Remove comment.
9400 (mips_current_loadgp_style): New function.
9401 (mips_gnu_local_gp): New variable.
9402 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9404 (mips_output_function_prologue): Use mips_current_laodgp_style.
9405 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9406 the cprestore instruction.
9407 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9408 live for TARGET_ABSOLUTE_ABICALLS.
9409 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9410 (ASM_SPEC): Pass down -mshared and -mno-shared.
9411 (MIPS_CALL): New macro.
9412 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9414 * doc/invoke.texi (-mabicalls): Update documentation.
9415 (-mshared): Document.
9417 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9419 * config/ia64/unwind-hpux.c: New file.
9420 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9422 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9425 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9427 2006-03-21 Jeff Law <law@redhat.com>
9429 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9430 type conversions of a VR_VARYING source to a wider type.
9432 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9434 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9435 tm_file on Solaris 10 and later.
9436 (sparc64-*-solaris2*): Likewise.
9437 (sparc-*-solaris2*): Likewise.
9438 * config/sol26.h: Rename to config/sol2-6.h.
9439 * config/sol2-10.h: New file.
9441 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9444 * tree-ssa-pre.c (create_component_ref_by_pieces):
9447 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9450 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9451 return it immediately.
9453 2006-03-21 Michael Matz <matz@suse.de>
9455 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9457 (remove_arc, add_arc): Update num_out_arcs member.
9458 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9460 (cache_presence): New function.
9461 (compare_states_for_equiv): New function.
9462 (state_is_differed): Don't take number of outargs, adjust callers.
9463 Use new invariant for speeding up.
9464 (init_equiv_class): Create initial classes based on sorted
9466 (partition_equiv_class): Don't track out_arcs_num.
9467 (evaluate_equiv_classes): Call cache_presence on all states and
9470 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9472 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9473 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9474 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9475 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9477 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9478 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9479 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9480 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9481 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9483 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9484 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9485 (REGNO_REG_CLASS): ARGP is in PREGS.
9486 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9488 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9489 to deal with those addresses.
9490 * addresses.h: New file.
9491 * caller-save.c: Include "addresses.h".
9492 (init_caller_save): Use new base_reg_class function.
9493 * rtl-factoring.c: Include "addresses.h".
9494 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9495 * recog.c: Include "addresses.h".
9496 (preprocess_constraints): Use new base_reg_class function.
9497 * regrename.c: Include "addresses.h".
9498 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9499 functions. Keep track of a new var INDEX_CODE to compute valid
9501 (replace_oldest_value_addr): Likewise.
9502 (replace_oldest_value_mem): Use base_reg_class.
9503 * reload.c: Include "addresses.h".
9504 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9505 (find_reloads): Use new base_reg_class function.
9506 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9507 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9508 all callers and prototype changed.
9509 * reload1.c: Include "addresses.h".
9510 (maybe_fix_stack_asms): Use base_reg_class.
9511 * regclass.c: Include "addresses.h".
9512 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9513 (init_reg_autoinc): Use new base_reg_class function.
9514 (record_reg_classes): Likewise.
9515 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9516 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9517 Use new args to compute necessary class.
9519 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9520 regrename.o, rtl-factoring.o): Update dependencies.
9521 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9522 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9523 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9524 REG_OK_FOR_INDEX_P): Delete documentation.
9526 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9528 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9529 from V7 to V9 for Solaris 7 and above.
9531 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9533 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9534 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9535 argument pointers may not alias any other storage.
9536 * common.opt: Define option -fargument-noalias-anything.
9537 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9538 alias semantics is specified by flag_argument_noalias > 2.
9540 2006-03-20 Jeff Law <law@redhat.com>
9542 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9543 (pass_phi_only_cprop): Declare.
9544 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9546 * tree-ssa-dom.c (degenerate_phi_result): New function.
9547 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9548 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9549 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9550 (eliminate_degenerate_phis): Likewise.
9551 (pass_phi_only_cprop): New pass descriptor.
9552 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9553 support code. Callers updated.
9554 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9555 (store_copy_prop): Likewise.
9556 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9558 2006-03-20 Jason Merrill <jason@redhat.com>
9561 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9562 (push_visibility, pop_visibility): Likewise.
9563 * c-pragma.h: Declare them.
9565 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9567 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9569 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9570 parameter and use get_ebb_head_tail.
9571 (sh_md_init_global): Adjust uses of find_regmode_weight.
9573 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9575 * function.h (struct function) <x_tail_recursion_reentry>:
9576 Rename to x_stack_check_probe_note.
9577 (tail_recursion_reentry): Rename to stack_check_probe_note.
9578 * function.c: Replace tail_recursion_reentry with
9579 stack_check_probe_note everywhere.
9580 (expand_function_start): Only emit a note for
9581 stack_check_probe_note with -fstack-protect.
9582 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9584 * emit-rtl.c (remove_unnecessary_notes): Remove.
9585 (pass_remove_unnecessary_notes): Remove.
9586 * rtl.h (remove_unnecessary_notes): Remove prototype.
9587 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9588 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9589 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9591 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9594 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9595 (valid_in_set): Handle ARRAY_REF.
9596 Change "if min_variant or VH" to asserts.
9597 (create_component_ref_by_pieces): Handle ARRAY_REF.
9598 (create_expression_by_pieces): Likewise.
9599 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9601 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9603 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9604 is operand of switch, not str[0].
9606 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9608 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9609 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9611 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9613 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9614 end of insn_extra_address_constraint declaration.
9616 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9618 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9619 (no-sum-in-toc): Same.
9620 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9622 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9623 NO_FP_IN_TOC for -fPIC instead of mask.
9625 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9626 (BOOT_LDFLAGS): Delete.
9628 * config/rs6000/t-aix52: Same.
9630 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9631 (stmsi[345678]_power): New.
9633 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9635 * config/ia64/ia64.opt: Add empty line to end of file.
9637 2006-03-17 Richard Guenther <rguenther@suse.de>
9640 * builtins.c (get_pointer_alignment): For component style references
9641 adjust alignment to the component type alignment. Make sure
9642 to adjust alignment for component access of constants.
9644 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9646 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9649 2006-03-17 Paul Brook <paul@codesourcery.com>
9651 * doc/install.texi: Docuemnt --with-mode.
9652 * config.gcc: Add --with-mode for arm*-*-*.
9653 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9655 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9657 * sh.c (max_labelno_before_reorg): New variable.
9658 (sh_reorg): Initialize it.
9659 (find_barrier): Check max_labelno_before_reorg before using
9660 label_to_alignment. Take length of explicit alignment insns
9661 into account. When seeing a UNSPECV_CONST_END, return it.
9663 * sh.c (fixup_mova): Set mode of affected label to QImode.
9664 (untangle_mova): New function.
9665 (find_barrier): Use it. Check mode of label before decrementing
9667 (sh_reorg): Likewise.
9668 Set mode of all insns back to VOIDmode.
9670 * sh.c (MOVA_LABELREF): New macro.
9671 (mova_p, fixup_mova, sh_reorg): Use it.
9672 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9673 ADDR_DIFF_VEC matches mova.
9675 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9677 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9678 with ATTRIBUTE_UNUSED.
9680 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9682 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9683 pointer, instead of assuming it is possible to derive the
9684 correct args size from a call insn.
9686 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9688 * rtl.h (CONST_INT_P): Define.
9689 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9690 instead of GET_CODE(x) == CONST_INT.
9691 (vax_rtx_costs): Likewise.
9692 (vax_output_int_move): Likewise.
9693 (vax_output_int_add): Likewise.
9694 (legitimate_constant_address_p): Likewise.
9695 (index_term_p): Likewise.
9696 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9697 * config/vax/vax.md (and<mode>3): Likewise.
9698 (ashrsi3): Likewise.
9700 (movstricthi): Likewise.
9701 (movstrictqi): Likewise.
9702 (rotrsi3): Likewise.
9703 (five unnamed insns): Likewise.
9705 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9707 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9708 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9709 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9710 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9711 Pass to ASM_OUTPUT_DWARF_OFFSET.
9712 * dwarf2out.c (debug_frame_section): New.
9713 (output_call_frame_info): Use debug_frame_section. Pass it to
9714 dw2_asm_output_offset.
9715 (output_die): Pass appropriate section to dw2_asm_output_offset.
9716 (output_compilation_unit_header): Likewise.
9717 (output_pubnames): Likewise.
9718 (output_aranges): Likewise.
9719 (enum dw_val_class): Break dw_val_class_lbl_offset into
9720 dw_val_class_lineptr and dw_val_class_macptr.
9721 (add_AT_lbl_offset): Delete.
9722 (add_AT_lineptr): New.
9723 (add_AT_macptr): New.
9724 (AT_lbl): Expect a lineptr or macptr.
9725 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9726 (attr_checksum): Likewise.
9727 (same_dw_val_p): Likewise.
9728 (size_of_die): Likewise.
9729 (value_format): Likewise.
9730 (output_die): Likewise.
9731 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9733 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9734 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9735 * config/darwin-protos.h (darwin_file_start): New.
9736 (darwin_asm_output_dwarf_offset): New.
9737 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9738 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9740 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9741 if not EH section; simplify.
9742 (darwin_file_start): New.
9743 (darwin_asm_output_dwarf_offset): New.
9744 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9746 (DEBUG_INFO_SECTION): Likewise.
9747 (DEBUG_ABBREV_SECTION): Likewise.
9748 (DEBUG_ARANGES_SECTION): Likewise.
9749 (DEBUG_MACINFO_SECTION): Likewise.
9750 (DEBUG_LINE_SECTION): Likewise.
9751 (DEBUG_LOC_SECTION): Likewise.
9752 (DEBUG_PUBNAMES_SECTION): Likewise.
9753 (DEBUG_STR_SECTION): Likewise.
9754 (DEBUG_RANGES_SECTION): Likewise.
9755 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9756 (ASM_OUTPUT_DWARF_OFFSET): New.
9758 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9760 * config.gcc (tm_defines): Always add to previous value rather
9763 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9765 * config/mips/predicates.md (splittable_const_int_operand): New,
9766 split from move_operand.
9767 (splittable_symbolic_operand): New.
9768 (move_operand): Add commentary. Use splittable_const_int_operand.
9769 Inline mips_atomic_symbolic_constant_p.
9770 * config/mips/mips.md: Add combine splitters for handling moves
9771 of splittable_const_int_operands and splittable_symbolic_operands.
9772 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9773 (mips_split_symbol): Declare.
9774 (mips_move_integer): Declare.
9775 * config/mips/mips.c (mips_split_p): Make global.
9776 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9777 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9778 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9779 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9780 (mips_offset_within_object_p): Handle block symbols.
9781 (mips_atomic_symbolic_constant_p): Delete.
9782 (mips_cannot_force_const_mem): Return false for constants that
9783 mips_legitimize_move can handle.
9784 (mips_use_blocks_for_constant_p): New function.
9785 (mips_split_symbol): Make global.
9786 (mips_move_integer): Likewise. Add a temporary register argument.
9787 (mips_legitimize_const_move): Use splittable_const_int_operand and
9788 splittable_symbolic_operand.
9789 (mips_use_anchors_for_symbol_p): New function.
9790 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9791 (mips_split_p): Declare.
9793 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9795 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9796 (mips*-*-linux*): Likewise.
9798 2006-03-16 Roger Sayle <roger@eyesopen.com>
9799 Daniel Speyer <dspeyer@wam.umd.edu>
9802 * tree-dump.c (dump_real): New function.
9803 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9804 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9805 (tree-dump.o): Add $(REAL_H) to the dependencies.
9807 2006-03-16 Roger Sayle <roger@eyesopen.com>
9810 * real.c (real_from_string): If the mantissa is zero, don't bother
9811 parsing the exponent as the result should always be zero.
9813 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9815 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9817 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9819 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9820 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9821 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9822 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9823 ia64_sched_finish_global): New static functions to implement
9824 hooks from gcc_target.sched.
9825 (spec_check_no, max_uid, pending_data_specs): New static variables.
9826 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9827 ia64_spec_check_src_p): New static functions.
9828 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9829 (TARGET_SCHED_ADJUST_COST): Removed.
9830 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9831 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9832 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9833 TARGET_SCHED_GEN_CHECK,
9834 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9835 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9836 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9837 Fixed to handle speculation checks.
9838 (rtx_needs_barrier): Fixed to handle speculative loads and
9840 (ia64_variable_issue): Added code to count speculative loads and their
9842 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9844 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9846 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9848 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9849 (ia64_reorg): Reset stops_p to NULL after it is freed.
9850 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9851 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9852 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9854 (data_speculative, control_speculative, check_load): New attributes.
9855 (mov<mode>_advanced, mov<mode>_speculative,
9856 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9857 zero_extend<mode>di2_speculative,
9858 zero_extend<mode>di2_speculative_advanced): New patterns for
9859 data and control speculative loads.
9860 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9862 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9863 New pattern for data and control speculation checks.
9864 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9865 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9866 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9867 Auxiliary definitions for the patterns.
9868 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9869 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9871 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9873 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9874 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9875 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9876 New resource constraints.
9877 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9879 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9880 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9881 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9882 msched-in-control-spec, msched-ldc, msched-control-ldc,
9883 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9884 msched-prefer-non-control-spec-insns,
9885 msched-count-spec-in-critical-path): New flags to tune speculative
9887 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9888 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9889 msched-in-control-spec, msched-ldc, msched-control-ldc,
9890 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9891 msched-prefer-non-control-spec-insns,
9892 msched-count-spec-in-critical-path): Document new flags.
9894 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9896 * target.h (struct spec_info_def): New opaque declaration.
9897 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9898 speculate_insn, needs_block_p, gen_check,
9899 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9900 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9901 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9902 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9903 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9904 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9906 (TARGET_SCHED): Use new macros.
9907 * rtl.h (copy_DEPS_LIST_list): New prototype.
9908 * sched-int.h (struct sched_info): Change signature of new_ready field,
9909 adjust all initializations. New fields: add_remove_insn,
9910 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9911 region_head_or_leaf_p.
9912 (struct spec_info_def): New structure declaration.
9913 (spec_info_t): New typedef.
9914 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9915 recovery_block, orig_pat.
9916 (glat_start, glat_end): New variables declaraions.
9917 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9919 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9920 DETACH_LIFE_INFO, USE_GLAT.
9921 (enum SPEC_SCHED_FLAGS): New enumeration.
9922 (NOTE_NOTE_BB_P): New macro.
9923 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9924 attach_life_info, debug_spec_status, check_reg_live): New functions.
9925 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9926 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9928 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9929 * ddg.c (get_block_head_tail): Adjust all uses.
9930 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9931 (sms_sched_info): Initialize new fields.
9932 (contributes_to_priority): Removed.
9933 * haifa-sched.c (params.h): New include.
9934 (get_block_head_tail): Adjust all uses.
9935 (ISSUE_POINTS): New macro.
9936 (glat_start, glat_end): New global variables.
9937 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9938 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9939 old_last_basic_block, before_recovery, current_sched_info_var,
9940 rgn_n_insns, luid): New static variables.
9941 (insn_cost1): New function. Move logic from insn_cost to here.
9942 (find_insn_reg_weight1): New function. Move logic from
9943 find_insn_reg_weight to here.
9944 (reemit_notes, move_insn, max_issue): Change signature.
9945 (move_insn1): Removed.
9946 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9947 extend_bb): New static functions to support extension of scheduler's
9949 (generate_recovery_code, process_insn_depend_be_in_spec,
9950 begin_speculative_block, add_to_speculative_block,
9951 init_before_recovery, create_recovery_block, create_check_block_twin,
9952 fix_recovery_deps): New static functions to support
9953 generation of recovery code.
9954 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9955 restore_bb_notes, move_block_after_check, move_succs): New static
9956 functions to support ebb scheduling.
9957 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9958 functions to support handling of register live information.
9959 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9960 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9961 add_jump_dependencies): New static functions.
9962 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9963 consistancy checking.
9964 (debug_spec_status): New function to call from debugger.
9965 (priority): Added code to handle speculation checks.
9966 (rank_for_schedule): Added code to distinguish speculative instructions.
9967 (schedule_insn): Added code to handle speculation checks.
9968 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9969 Fixed to handle ebbs.
9970 (move_insn): Added code to handle ebb scheduling.
9971 (max_issue): Added code to use ISSUE_POINTS of instructions.
9972 (choose_ready): Added code to choose between speculative and
9973 non-speculative instructions.
9974 (schedule_block): Added code to handle ebb scheduling and scheduling of
9975 speculative instructions.
9976 (sched_init): Initialize new variables.
9977 (sched_finish): Free new variables. Print statistics.
9978 (try_ready): Added code to handle speculative instructions.
9979 * lists.c (copy_DEPS_LIST_list): New function.
9980 * sched-deps.c (extend_dependency_caches): New function. Move logic
9981 from create_dependency_caches to here.
9982 (get_dep_weak, ds_merge): Make global.
9983 * genattr.c (main): Code to output prototype for
9984 dfa_clear_single_insn_cache.
9985 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9986 (output_dfa_clean_insn_cache_func): Code to output
9987 dfa_clear_single_insn_cache function.
9988 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9990 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9992 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9993 New static variables.
9994 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9995 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9997 (ebb_sched_info): Initialize new fields.
9998 (get_block_head_tail): Adjust all uses.
9999 (compute_jump_reg_dependencies): Fixed to use glat_start.
10000 (schedule_ebb): Code to remove unreachable last block.
10001 (schedule_ebbs): Added code to update register live information.
10002 * sched-rgn.c (region_sched_info): Initialize new fields.
10003 (get_block_head_tail): Adjust all uses.
10004 (last_was_jump): Removed. Adjust users.
10005 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10006 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10007 Implement new hooks.
10008 (check_dead_notes1): New static function.
10009 (struct region): New fields: dont_calc_deps, has_real_ebb.
10010 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10011 (BB_TO_BLOCK): Fixed to handle EBBs.
10012 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10013 (ebb_head): New static variable.
10014 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10015 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10017 (compute_dom_prob_ps): New assertion.
10018 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10019 global_live_at_start.
10020 (init_ready_list): New assertions.
10021 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10022 (new_ready): Add support for BEGIN_CONTROL speculation.
10023 (schedule_insns): Fixed code that updates register live information
10025 (schedule_region): Fixed to handle EBBs.
10026 (init_regions): Use extend_regions and check_dead_notes1.
10027 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10028 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10029 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10030 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10031 TARGET_SCHED_GEN_CHECK,
10032 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10033 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10034 * doc/invoke.texi (max-sched-insn-conflict-delay,
10035 sched-spec-prob-cutoff): Document.
10037 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10039 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10040 inter_tick, queue_index.
10041 (struct sched_info): Change signature of init_ready_list field.
10042 Adjust all initializations.
10043 (RESOLVED_DEPS): New access macro.
10044 (ready_add): Remove prototype.
10045 (try_ready): Add prototype.
10046 * sched-rgn.c (init_ready_list): Use try_ready.
10047 (schedule_region): Initialize
10048 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10049 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10050 (init_ready_list): Use try_ready.
10051 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10052 * lists.c (remove_list_elem): Remove `static'.
10053 (remove_free_INSN_LIST_elem): New function.
10054 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10055 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10056 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10058 (readyp): New variable.
10059 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10060 change_queue_index, resolve_dep): New static functions.
10061 (try_ready): New function. Adjust callers in sched-rgn.c and
10062 sched-ebb.c to use it instead of ready_add.
10063 (clock_var): Move at the begining of file.
10064 (rank_for_schedule): Fix typo.
10065 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10066 (ready_lastpos): Enforce assertion.
10067 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10068 update all callers.
10069 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10070 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10071 (queue_to_ready): Use free_INSN_LIST_list.
10072 (early_queue_to_ready): Fix typo.
10073 (schedule_block): Init readyp. Move init_ready_list call after the
10074 initialization of clock_var. Fix error in rejecting insn by
10075 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10076 that previously corrected INSN_TICKs. Add code for handling
10078 (set_priorities): Fix typo.
10079 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10080 Clarify comment and code that keeps current_sched_info->next_tail
10083 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10085 * sched-rgn.c (extend_rgns): New static function.
10086 (find_rgns): Use it.
10087 (gather_region_statistics, print_region_statistics): New static
10089 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10090 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10092 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10093 Andrey Belevantsev <abel@ispras.ru>
10095 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10096 * lists.c (unused_deps_list): New variable.
10097 (free_list): Add assertions to verify the proper distinguishing
10098 between INSN_LISTs and DEPS_LISTs.
10099 (find_list_elem, remove_list_elem, remove_list_node): New static
10101 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10102 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10103 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10104 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10106 (free_INSN_LIST_node): Likewise.
10107 * modulo-sched.c (current_sched_info): Initialize flags field.
10108 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10109 * rtl.def (DEPS_LIST): Define.
10110 * rtl.h: Declare new functions from lists.c.
10111 * sched-deps.c (spec_dependency_cache): New static variable.
10112 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10113 (add_dependence): Change return type to void. Move the logic to ...
10114 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10115 (delete_all_dependences): Add comment about forward_dependency_cache.
10116 Handle spec_dependency_cache. Handle DEPS_LISTs.
10117 (fixup_sched_groups): Clarify the change of priority of output
10118 and anti dependencies.
10119 (sched_analyze_2): Adjust add_dependence calls to create data
10120 speculative dependence.
10121 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10122 Adjust all callers. Handle DEPS_LISTS.
10123 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10124 presence of speculation.
10125 (init_dependency_caches, free_dependency_caches):
10126 Handle spec_dependency_cache.
10127 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10128 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10129 New static functions.
10130 (add_or_update_back_dep, add_or_update_back_forw_dep,
10131 add_back_forw_dep, delete_back_forw_dep): New functions.
10132 * sched-int.h (ds_t, dw_t): New typedefs.
10133 (struct sched_info): Add new field flags.
10134 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10135 Prototype new sched-deps.c functions.
10136 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10137 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10138 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10139 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10140 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10141 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10143 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10145 * sched-rgn.c (current_sched_info): Initialize flags field.
10146 (schedule_insns): Initialize current_sched_info before the sched_init
10148 * sched-ebb.c (current_sched_info): Initialize flags field.
10149 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10150 Call add_or_update_back_dep instead of add_dependence.
10151 Create control speculative dependencies.
10152 (schedule_insns): Initialize current_sched_info before the sched_init
10155 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10157 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10159 (sh_fallback_frame_state): Likewise.
10161 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10163 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10164 Do switch on default_use_cxa_atexit.
10165 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10166 * config/darwin-crt3.o: New.
10167 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10168 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10169 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10171 * config/rs6000/t-darwin: Move crt2.o building to here.
10172 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10173 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10176 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10178 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10179 from '! xxx' to '!xxx' for coding-style conformance.
10180 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10181 (EXTRA_CONSTRAINT): Likewise.
10182 * config/vax/vax.md (four unnamed insns): Likewise.
10184 2006-03-15 Paul Brook <paul@codesourcery.com>
10186 * config/arm/arm.c (minipool_pad): New.
10187 (add_minipool_forward_ref): Include pool alignment padding in address
10189 (push_minipool_fix): Set minipool_pad.
10190 (minipool_pad): Ditto.
10192 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10194 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10195 instead of GET_CODE() == MEM and REG_P() instead of
10197 (print_operand_address): Likewise.
10198 (vax_address_cost): Likewise.
10199 (vax_rtx_costs): Likewise.
10200 (vax_notice_update_cc): Likewise.
10201 (vax_output_int_add): Likewise.
10202 (INDEX_REGISTER_P): Likewise.
10203 (BASE_REGISTER_P): Likewise.
10204 (nonindexed_address_p): Likewise.
10205 (vax_mode_dependent_address_p): Likewise.
10206 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10207 (PRINT_OPERAND): Likewise.
10208 * config/vax/vax.md (ashlsi3): Likewise.
10209 (ashlsi3): Likewise.
10210 (some more unnamed insns): Likewise.
10212 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10214 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10215 iterator-style macro.
10216 (mark_control_dependent_edges_necessary): Update the use of
10217 EXECUTE_IF_CONTROL_DEPENDENT.
10219 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10221 * config/sh/predicates.md (cache_address_operand): Special.
10222 (ua_address_operand): Likewise.
10224 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10226 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10228 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10230 2006-03-15 Andreas Schwab <schwab@suse.de>
10232 * gensupport.c (identify_predicable_attribute): Don't free p_false
10233 when it is still in use.
10235 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10237 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10238 the default setting here.
10240 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10242 * tree-pass.h (pass_cfg): Remove.
10243 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10244 * passes.c (pass_cfg): Don't run it.
10246 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10248 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10249 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10251 (stack_regs_mentioned): Update the uses of
10252 stack_regs_mentioned_data. Don't access the array beyond its
10254 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10255 Don't include gt-reg-stack.h.
10257 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10258 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10260 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10262 PR middle-end/26684
10263 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10266 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10268 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10270 2006-03-14 Richard Guenther <rguenther@suse.de>
10272 PR tree-optimization/26672
10273 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10276 2006-03-14 Richard Guenther <rguenther@suse.de>
10278 PR tree-optimization/26667
10279 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10280 node for the callees. Always allow inlining if it will shrink
10283 2006-03-14 Richard Guenther <rguenther@suse.de>
10285 PR middle-end/26659
10286 * builtins.c (get_pointer_alignment): Prefer alignment
10287 information from decls over that from types.
10289 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10292 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10294 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10296 * config/rs6000/rs6000.opt (mdlmzb): New option.
10297 (msched-prolog, msched-epilog): Use Var not Mask.
10298 * doc/invoke.texi (-mdlmzb): Document.
10299 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10301 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10302 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10304 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10306 PR rtl-optimization/25739
10307 * bt-load.c (augment_live_range): Free tos pointer.
10309 * gensupport.c (identify_predicable_attribute): Free
10311 * gcov.c (create_file_names): Free name pointer.
10313 2006-03-13 Roger Sayle <roger@eyesopen.com>
10315 PR middle-end/26557
10316 * stmt.c (emit_case_nodes): Handle the case where the index is a
10317 CONST_INT, where the comparison mode is specified by the index type.
10319 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10321 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10324 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10326 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10327 (*branch_fp_inverted): Likewise.
10329 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10331 PR middle-end/25989
10332 * omp-low.c (expand_omp_for_generic): Mark istart0
10333 and iend0 as addressable.
10335 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10337 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10339 2006-03-13 Jeff Law <law@redhat.com>
10341 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10342 virtual operands are interesting.
10343 (vrp_visit_stmt): Corresponding changes.
10345 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10347 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10349 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10350 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10351 * config/bfin/crti.S: Use it instead of __PIC__.
10352 * config/bfin/crtn.S: Likewise.
10354 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10355 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10357 Lose 'G' modifier for call operand.
10358 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10359 recognize 'G' modifier.
10361 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10363 PR middle-end/18859
10364 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10365 * stmt.c (expand_case): Likewise.
10367 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10369 PR rtl-optimization/26254
10370 * loop-invariant.c (seq_insns_valid_p): New function.
10371 (move_invariant_reg): Only emit new code if it is valid.
10373 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10375 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10377 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10378 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10379 (commit_one_edge_insertion): Do not look for loop notes.
10381 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10383 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10384 flag_test_coverage out of loop.
10386 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10388 * final.c (shorten_branches): Remove outdated comment, and turn
10389 the if branch that guards it to continue.
10391 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10393 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10394 * cfgloop.h (struct loop): Remove unused fields.
10396 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10398 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10399 (-dL, -fdump-rtl-loop2): Update the dump file names
10401 * doc/invoke.texi: Update dump file names.
10403 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10405 * predict.c (estimate_probability): Remove.
10406 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10407 * basic-block.h (estimate_probability): Remove prototype.
10408 * passes.c (finish_optimization_passes): Dump branch prediction or
10409 profiling heuristics to the .profile tree dump.
10410 (init_optimization_passes): Unqueue pass_branch_prob.
10412 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10414 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10416 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10417 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10419 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10421 * function.h (frame_offset_overflow): Declare.
10422 * function.c (frame_offset_overflow): New function.
10423 (assign_stack_local_1): Call it to detect that the offset overflows.
10424 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10426 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10428 * config/sh/sh.c: Include alloc-pool.h.
10429 (label_ref_list_pool): New alloc pool.
10430 (label_ref_list_t): New type for lists of labels.
10431 (struct pool_node): Make wend a label_ref_list_t.
10432 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10434 (dump_table): Likewise.
10435 (sh_reorg): Set up the alloc pool before using add_constant and
10436 dump_table, and destroy it when finishing.
10438 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10440 * config/mips/mips.c: Remove redundant comment.
10442 2006-03-10 Jason Merrill <jason@redhat.com>
10445 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10446 the target was declared 'register'.
10448 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10450 * genpreds.c (write_insn_constraint_len): Change definition of
10451 insn_constraint_len to return size_t to match the declaration.
10453 2006-03-10 DJ Delorie <dj@redhat.com>
10455 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10457 (m32c_expand_insv): Fix test for an AND mask.
10459 2006-03-10 Richard Guenther <rguenther@suse.de>
10461 PR middle-end/26565
10462 * builtins.c (get_pointer_alignment): Handle component
10463 references for field alignment.
10465 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10467 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10468 when building with libgloss.
10469 (sh*elf): Implement --without-fp option.
10470 (sh64-superh-linux*): Don't multilib.
10472 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10474 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10476 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10478 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10479 Set it when one of the replacement functions returned true.
10480 Return TODO_cleanup_cfg if cfgchanged is true.
10481 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10483 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10485 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10486 instead of gen_lowpart.
10488 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10490 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10492 (mips_output_order_conditional_branch): Declare.
10493 * config/mips/mips.h (MIPS_BRANCH): New macro.
10494 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10495 for the comparison. Use gen_condjump.
10496 (mips_output_conditional_branch): Rework interface to take the
10497 asm templates for a direct branch and the inverse of a direct branch.
10498 (mips_output_order_conditional_branch): New function.
10499 (mips_builtin_branch_and_move): New function.
10500 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10501 branch condition. Use gen_single_cc as the condition for
10502 __builtin_mips_upper_* or __builtin_mips_lower_*.
10503 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10504 Use VOIDmode for the branch condition.
10505 * config/mips/predicates.md (order_operator): New predicate.
10506 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10507 (branch_fp): Rename to...
10508 (*branch_fp): ...this. Remove mode from comparison operator.
10509 Use new mips_output_conditional_branch interface.
10510 (branch_fp_inverted): Rename to...
10511 (*branch_fp_inverted): ...this and update as for *branch_fp.
10512 (*branch_zero<mode>): Rename to...
10513 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10514 Use mips_output_order_conditional_branch. Only accept ordered
10516 (*branch_zero<mode>_inverted): Rename to...
10517 (*branch_order<mode>_inverted): ...this and update as for
10518 *branch_order<mode>.
10519 (*branch_equality<mode>): Accept zero as the second operand to
10520 the equality operator. Use the new mips_output_conditional_branch
10522 (*branch_equality<mode>_inverted): Likewise.
10523 (condjump): New expander.
10524 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10526 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10527 (bc1any2t, bc1any2f): Likewise.
10528 (single_cc): New expander.
10529 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10531 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10533 * doc/md.texi: Update documentation of MIPS constraints.
10534 * config/mips/constraints.md: New file.
10535 * config/mips/mips.md: Include it.
10536 * config/mips/mips.c (mips_char_to_class): Delete.
10537 (override_options): Don't initialize mips_char_to_class.
10538 * config/mips/mips.h (mips_char_to_class): Delete.
10539 (REG_CLASS_FROM_LETTER): Delete.
10540 (CONST_OK_FOR_LETTER_P): Delete.
10541 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10542 (EXTRA_CONSTRAINT_Y): Delete.
10543 (EXTRA_CONSTRAINT_STR): Delete.
10544 (CONSTRAINT_LEN): Delete.
10545 (EXTRA_MEMORY_CONSTRAINT): Delete.
10547 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10549 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10550 original fn's eh regions.
10552 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10554 * fold-const.c (build_range_check): Make sure to use a valid type to
10555 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10558 (range_predecessor): New static function.
10559 (range_successor): Likewise.
10560 (merge_ranges): Use them to compute predecessors and successors of
10563 2006-03-09 Roger Sayle <roger@eyesopen.com>
10565 PR middle-end/26561
10566 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10567 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10569 2006-03-08 DJ Delorie <dj@redhat.com>
10571 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10572 (addpsi3): Expand to include memory operands. Remove
10573 reload-specific splits.
10574 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10575 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10576 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10577 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10578 (shift1_qi, shift1_hi, insv): New.
10579 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10580 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10581 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10583 * config/m32c/m32c-protos.h: Update as needed.
10584 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10585 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10586 Fail for unrecognized R* constraints.
10587 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10588 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10589 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10591 (m32c_init_libfuncs): New.
10592 (m32c_legitimate_address_p): Add debug wrapper.
10593 (m32c_rtx_costs): New.
10594 (m32c_address_cost): New.
10595 (conversions): Add 'B' prefix.
10596 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10597 operands, or word regnames for QI operands. 'B' prints bit
10599 (m32c_expand_setmemhi): New.
10600 (m32c_expand_movmemhi): New.
10601 (m32c_expand_movstr): New.
10602 (m32c_expand_cmpstr): New.
10603 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10604 (m32c_expand_neg_mulpsi3): Handle non-ints.
10605 (m32c_cmp_flg_0): New.
10606 (m32c_expand_movcc): New.
10607 (m32c_expand_insv): New.
10608 (m32c_scc_pattern): New.
10609 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10610 a0/a1 out of SIregs.
10611 (STORE_FLAG_VALUE): New.
10612 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10615 * config/m32c/mov.md: Make constraints more liberal.
10616 (zero_extendqihi2): Optimize r0/r1 case.
10617 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10618 * config/m32c/predicates.md (m32c_any_operand): New.
10619 (m32c_nonimmediate_operand): New.
10620 (m32c_hl_operand): New.
10621 (m32c_r3_operand): New.
10624 (memsym_operand): New.
10625 (memimmed_operand): New.
10626 (a_qi_operand): New.
10627 (m32c_eqne_operator): New.
10628 (m32c_1bit8_operand): New.
10629 (m32c_1bit16_operand): New.
10630 (m32c_1mask8_operand): New.
10631 (m32c_1mask16_operand): New.
10632 * config/m32c/blkmov.md: New file.
10633 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10635 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10637 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10638 unsigned to fix signed/unsigned comparison issue in
10639 DWARF2_FRAME_REG_OUT.
10640 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10641 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10643 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10644 of ptr into the ENABLE_CHECKING section.
10646 2006-03-08 Jeff Law <law@redhat.com>
10648 * tree-vrp.c (infer_value_range): Only count pointer uses
10649 and dereferences if -fdelete-null-pointer-checks is enabled.
10651 * tree-vrp.c (find_assert_locations): Infer value ranges for
10652 single use pointers, but do not create ASSERT_EXPRs for them.
10653 When a non-null range is inferred for a pointer, backwards
10654 propagate that range to other equivalent pointers through the
10657 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10660 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10661 language hook targets.
10662 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10663 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10664 if language hook targets were missing.
10666 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10668 * tree-ssa-opfinalize.h: Removed.
10669 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10671 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10672 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10673 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10674 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10675 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10676 finalize_ssa_v_must_def_ops): New.
10678 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10680 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10681 block as parameter.
10683 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10685 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10687 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10688 addresses with offsets; reorganize.
10690 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10691 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10692 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10694 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10697 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10699 2006-03-08 Ben Elliston <bje@au.ibm.com>
10701 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10703 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10706 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10709 2006-03-07 Richard Guenther <rguenther@suse.de>
10711 PR tree-optimization/26587
10712 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10714 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10716 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10718 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10720 * hooks.c (hook_bool_mode_rtx_true): New function.
10721 * hooks.h (hook_bool_mode_rtx_true): Declare.
10722 * toplev.c (compile_file): Call output_shared_constant_pool.
10723 * varasm.c (shared_constant_pool): New variable.
10724 (assemble_start_function, assemble_end_function): Remove arguments
10725 from call to output_constant_pool.
10726 (create_constant_pool): New function, split out from...
10727 (init_varasm_status): ...here.
10728 (force_const_mem): Choose between the shared and per-function constant
10729 pools. Set current_function_uses_const_pool when reusing old entries
10730 as well as when creating new ones.
10731 (mark_constant): Ignore data argument.
10732 (mark_constants): Remove pool argument.
10733 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10734 to decide whether the function uses a constant pool.
10735 (output_constant_pool_contents): New function, split out from...
10736 (output_constant_pool): ...here.
10737 (output_shared_constant_pool): New function.
10738 (init_varasm_once): Initialize shared_constant_pool.
10739 * output.h (output_constant_pool): Delete.
10740 (output_shared_constant_pool): Declare.
10741 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10742 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10744 2006-03-06 Nick Clifton <nickc@redhat.com>
10746 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10747 flag_strength_reduce.
10749 2006-03-06 Ben Elliston <bje@au.ibm.com>
10751 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10752 x86_64-*-linux* configurations.
10754 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10755 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10757 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10759 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10761 * basic-block.h: Remove the extern for
10762 rediscover_loops_after_threading.
10764 * cfgloop.c (cancel_loop): Make it static.
10765 * cfgloop.h: Remove the prototype for cancel_loop.
10767 * flow.c (recompute_reg_usage): Make it static.
10768 * rtl.h: Remove the prototype for recompute_reg_usage.
10770 * function.c (use_return_register): Make it static.
10771 * function.h: Remove the prototype.
10773 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10775 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10777 * recog.h: Remove the prototype for
10778 validate_change_maybe_volatile.
10780 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10782 * rtlanal.c (replace_reg): Remove.
10783 * rtl.h: Remove the prototype for replace_reg.
10785 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10787 * regclass.c (reg_scan_update): Remove.
10788 (reg_scan_mark_refs): Remove the last argument.
10789 * rtl.h: Remove the prototype for reg_scan_update.
10791 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10793 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10794 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10795 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10796 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10797 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10798 loop-invariant.c, omp-low.c, opts.c, passes.c,
10799 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10800 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10801 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10802 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10803 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10804 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10806 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10808 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10809 * dwarf2out.h: Remove the prototype for
10810 dwarf2out_add_library_unit_info.
10812 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10814 * tree.c (add_var_to_bind_expr): Remove.
10815 * tree.h: Remove the prototype for add_var_to_bind_expr.
10817 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10819 * regclass.c (n_non_fixed_regs): Remove.
10820 (init_reg_sets_1, globalize_reg): Remove all uses of
10822 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10824 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10826 * rtlanal.c (insns_safe_to_move_p): Remove.
10827 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10829 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10831 * expmed.c (expand_mult_add): Remove.
10832 * expr.h: Remove the prototype for expand_mult_add.
10834 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10836 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10837 and REG_SAVED_VAL_EXP constants.
10838 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10839 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10840 Handle regs stored by value.
10841 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10842 (execute_cfa_program): Handle DW_CFA_val_offset,
10843 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10844 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10845 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10846 (uw_install_context_1): Handle target regs stored by value.
10848 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10850 * tree-sra.c (tree_sra): Return todoflags;
10851 (generate_one_element): Set TODO_update_smt_usage if needed.
10852 (pass_sra): Remove TODO_update_smt_usage.
10853 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10855 (tree_ssa_forward_propagate_single_use_vars): Return
10856 TODO_update_smt_usage if we need to update SMT usage.
10857 (pass_forwprop): Remove TODO_update_smt_usage.
10859 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10861 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10862 (correct_use_link): Remove reference to get_stmt_operands.
10863 (update_stmt_operands): Likewise.
10864 (get_modify_expr_operands): New function factored out of
10865 parse_ssa_operands and get_expr_operands.
10866 Try to create V_MUST_DEFs for LHS by default.
10867 (get_expr_operands) <case MODIFY_EXPR>: Call
10868 get_modify_expr_operands.
10869 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10870 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10871 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10872 get_modify_expr_operands.
10874 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10876 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10877 * tree-flow.h: Remove the prototype for
10878 referenced_var_lookup_if_exists.
10880 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10882 PR rtl-optimization/26345
10884 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10886 2006-03-03 Roger Sayle <roger@eyesopen.com>
10888 PR tree-optimization/26524
10889 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10890 fold_convert to create a constant of the appropriate type.
10892 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10894 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10895 SYMBOL_REF_IN_BLOCK_P.
10896 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10897 of SYMBOL_FLAG_IN_BLOCK.
10898 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10899 instead of SYMBOL_REF_IN_BLOCK_P.
10900 * explow.c (use_anchored_address): Likewise.
10901 * rtl.c (rtx_size): Likewise.
10902 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10903 instead of SYMBOL_FLAG_IN_BLOCK.
10904 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10905 SYMBOL_REF_IN_BLOCK_P.
10906 (assemble_variable): Likewise.
10907 (output_constant_def_contents): Likewise.
10908 (output_constant_pool): Likewise.
10909 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10910 instead of SYMBOL_FLAG_IN_BLOCK.
10911 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10912 SYMBOL_REF_IN_BLOCK_P.
10913 (SYMBOL_REF_BLOCK): Likewise.
10914 (SYMBOL_REF_OFFSET): Likewise.
10915 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10916 SYMBOL_REF_IN_BLOCK_P.
10917 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10918 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10919 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10920 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10922 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10924 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10926 2006-03-02 Roger Sayle <roger@eyesopen.com>
10928 * simplify-rtx.c (simplify_unary_operation): When simplifying
10929 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10930 that we perform the right shift in the appropriate mode, and
10931 then extend or truncate the result to requested mode.
10933 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10935 * gengtype.c (main): Handle double_int type.
10936 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10937 * double-int.c: New file.
10938 * double-int.h: New file.
10939 * system.h: Include doubleint.h.
10940 * Makefile.in (SYSTEM_H): Include double-int.h.
10941 (double-int.o): Add.
10943 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10946 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10949 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10951 * tree-vrp.c (remove_range_assertions): Do not update statements
10954 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10956 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10958 * gcse.c (rest_of_handle_gcse): Ditto.
10959 * except.c (gate_handle_eh): Ditto.
10960 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10961 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10963 2006-03-02 Eric Christopher <echristo@apple.com>
10965 * config/i386/i386.c (machopic_output_stub): Add indirection to
10968 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10972 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10974 Sun Niagara specific optimizations.
10975 * config.gcc: Recognize niagara as target.
10976 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10977 (TARGET_CPU_niagara): Define.
10978 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10979 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10980 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10981 (ASM_CPU_SPEC): Likewise.
10982 (PROCESSOR_NIAGARA): New enum entry.
10983 (REGISTER_MOVE_COST): Handle Niagara.
10984 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10985 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10986 (sparc_override_options): Recognize "niagara", set appropriate
10987 default MASK_* values for it, and align functions to 32-bytes
10988 by default just like ULTRASPARC/ULTRASPARC3.
10989 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10990 (sparc64_initialize_trampoline): Likewise.
10991 (sparc_use_sched_lookahead): Use zero for niagara.
10992 (sparc_issue_rate): Use one for niagara.
10993 * config/sparc/niagara.md: New file.
10994 * config/sparc/sparc.md: Include it.
10995 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10996 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10997 when default cpu is niagara.
10998 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10999 (ASM_CPU_SPEC): Likewise.
11000 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11001 when default cpu is niagara.
11002 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11003 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11004 just like v9/ultrasparc/ultrasparc3.
11005 * doc/invoke.texi: Add documentation for "niagara" and improve
11006 existing documentation for ultrasparc variants.
11008 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11010 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11012 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11014 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11015 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11016 and say that only one is needed.
11017 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11018 * target.h (have_switchable_bss_sections): New hook.
11019 * explow.c (use_anchored_address): Check that the symbol is in a block.
11020 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11021 (bss_noswitch_section): New variables.
11022 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11023 (get_noswitch_section): New function.
11024 (get_block_for_section): Allow SECT to be null.
11025 (unlikely_text_section_p): Use SECTION_STYLE.
11026 (bss_initializer_p): New function.
11027 (get_variable_section): Move earlier in file. Take a new argument,
11028 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11029 Return one of the new *_sections in such cases.
11030 (get_block_for_decl): New function, extracting some logic from
11031 use_blocks_for_decl_p.
11032 (change_symbol_section): Remove in favor of...
11033 (change_symbol_block): ...this new function.
11034 (use_blocks_for_decl_p): Remove checks now performed by
11035 get_block_for_decl.
11036 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11037 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11038 (emit_local, emit_bss, emit_common): ...these new functions.
11039 Return true if the alignment was honored.
11040 (emit_tls_common): New function.
11041 (asm_emit_uninitialised): Delete.
11042 (assemble_variable_noswitch): New function, split out from...
11043 (assemble_variable): ...here. Don't make decisions about common
11044 variables here. Globalize all public decls that go into non-common
11045 sections. Check whether SYMBOL_REF_BLOCK is null.
11046 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11047 (output_constant_pool): Likewise.
11048 (init_varasm_once): Initialize the new section variables.
11049 (have_global_bss_p): New function.
11050 (categorize_decl_for_section): Use bss_initializer_p.
11051 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11052 (place_block_symbol): Assert that the symbol must be in a block.
11053 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11054 (TARGET_INITIALIZER): Include it.
11055 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11056 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11057 (SECTION_MACH_DEP): Bump by two.
11058 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11059 (unnamed_section): Mention SECTION_UNNAMED in comment.
11060 (named_section): Likewise SECTION_NAMED.
11061 (noswitch_section_callback): New type.
11062 (noswitch_section): New structure.
11063 (section): Add a noswitch_section alternative.
11064 (SECTION_STYLE): New macro.
11065 (tls_comm_section, comm_section, lcomm_section): Declare.
11066 (bss_noswitch_section, have_global_bss_p): Declare.
11067 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11068 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11070 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11071 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11074 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11076 * tree-vrp.c (execute_vrp): Return value.
11077 * regrename.c (rest_of_handle_regrename): Ditto.
11078 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11079 * tree-complex.c (tree_lower_complex): Ditto.
11080 (tree_lower_complex_O0): Ditto.
11081 * tracer.c (rest_of_handle_tracer): Ditto.
11082 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11083 * postreload.c (rest_of_handle_postreload): Ditto.
11084 * tree-tailcall.c (execute_tail_recursion): Ditto.
11085 (execute_tail_calls): Ditto.
11086 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11087 * tree.h (init_function_for_compilation): Ditto.
11088 * ipa-cp.c (ipcp_driver): Ditto.
11089 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11090 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11091 * final.c (compute_alignments): Ditto.
11092 (rest_of_handle_final): Ditto.
11093 (rest_of_handle_shorten_branches): Ditto.
11094 (rest_of_clean_state): Ditto.
11095 * omp-low.c (execute_expand_omp): Ditto.
11096 (execute_lower_omp): Ditto.
11097 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11098 * ipa-reference.c (static_execute): Ditto.
11099 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11100 * reorg.c (rest_of_handle_delay_slots): Ditto.
11101 (rest_of_handle_machine_reorg): Ditto.
11102 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11103 * flow.c (recompute_reg_usage): Ditto.
11104 (rest_of_handle_remove_death_notes): Ditto.
11105 (rest_of_handle_life): Ditto.
11106 (rest_of_handle_flow2): Ditto.
11107 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11108 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11109 (do_ssa_store_ccp): Ditto.
11110 (execute_fold_all_builtins): Ditto.
11111 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11112 * modulo-sched.c (rest_of_handle_sms): Ditto.
11113 * ipa-pure-const.c (static_execute): Ditto.
11114 * cse.c (rest_of_handle_cse): Ditto.
11115 (rest_of_handle_cse2): Ditto.
11116 * web.c (rest_of_handle_web): Ditto.
11117 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11118 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11119 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11120 * tree-nrv.c (tree_nrv): Ditto.
11121 (execute_return_slot_opt): Ditto.
11122 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11123 (create_structure_vars): Ditto.
11124 * loop-init.c (rtl_loop_init): Ditto.
11125 (rtl_loop_done): Ditto.
11126 (rtl_move_loop_invariants): Ditto.
11127 (rtl_unswitch): Ditto.
11128 (rtl_unroll_and_peel_loops): Ditto.
11129 (rtl_doloop): Ditto.
11130 * gimple-low.c (lower_function_body): Ditto.
11131 (mark_used_blocks): Ditto.
11132 * tree-ssa-sink.c (execute_sink_code): Ditto.
11133 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11134 (cgraph_early_inlining): Ditto.
11135 * global.c (rest_of_handle_global_alloc): Ditto.
11136 * jump.c (cleanup_barriers): Ditto.
11137 (purge_line_number_notes): Ditto.
11138 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11139 (rest_of_handle_if_after_reload): Ditto.
11140 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11141 (tree_ssa_loop_im): Ditto.
11142 (tree_ssa_loop_unswitch): Ditto.
11143 (tree_vectorize): Ditto.
11144 (tree_linear_transform): Ditto.
11145 (tree_ssa_loop_ivcanon): Ditto.
11146 (tree_ssa_empty_loop): Ditto.
11147 (tree_ssa_loop_bounds): Ditto.
11148 (tree_complete_unroll): Ditto.
11149 (tree_ssa_loop_prefetch): Ditto.
11150 (tree_ssa_loop_ivopts): Ditto.
11151 (tree_ssa_loop_done): Ditto.
11152 * predict.c (tree_estimate_probability): Ditto.
11153 * recog.c (split_all_insns_noflow): Ditto.
11154 (rest_of_handle_peephole2): Ditto.
11155 (rest_of_handle_split_all_insns): Ditto.
11156 * tree-eh.c (lower_eh_constructs): Ditto.
11157 * regmove.c (rest_of_handle_regmove): Ditto.
11158 (rest_of_handle_stack_adjustments): Ditto.
11159 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11160 * function.c (instantiate_virtual_regs): Ditto.
11161 (init_function_for_compilation): Ditto.
11162 (rest_of_handle_check_leaf_regs): Ditto.
11163 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11164 (rest_of_handle_gcse): Ditto.
11165 * ipa-type-escape.c (type_escape_execute): Ditto.
11166 * alias.c (rest_of_handle_cfg): Ditto.
11167 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11168 * profile.c (rest_of_handle_branch_prob): Ditto.
11169 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11170 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11171 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11172 * tree-dfa.c (find_referenced_vars): Ditto.
11173 * except.c (set_nothrow_function_flags): Ditto.
11174 (convert_to_eh_region_ranges): Ditto.
11175 (rest_of_handle_eh): Ditto.
11176 * emit-rtl.c (unshare_all_rtl): Ditto.
11177 (remove_unnecessary_notes): Ditto.
11178 * except.h (set_nothrow_function_flags): Ditto.
11179 (convert_to_eh_region_ranges): Ditto.
11180 * cfgexpand.c (tree_expand_cfg): Ditto.
11181 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11182 * tree-ssa-pre.c (do_pre): Ditto.
11183 (execute_fre): Ditto.
11184 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11185 (rest_of_handle_jump2): Ditto.
11186 * tree-sra.c (tree_sra): Ditto.
11187 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11188 (execute_mudflap_function_decls): Ditto.
11189 * tree-ssa-copy.c (do_copy_prop): Ditto.
11190 (do_store_copy_prop): Ditto.
11191 * ipa-prop.h (ipcp_driver): Ditto.
11192 * cfglayout.c (insn_locators_initialize): Ditto.
11193 * tree-ssa-forwprop.c
11194 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11195 * cfglayout.h (insn_locators_initialize): Ditto.
11196 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11197 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11198 (execute_late_warn_uninitialized): Ditto.
11199 * rtl.h (cleanup_barriers): Ditto.
11200 (split_all_insns_noflow): Ditto.
11201 (purge_line_number_notes): Ditto.
11202 (unshare_all_rtl): Ditto.
11203 (remove_unnecessary_notes): Ditto.
11204 (recompute_reg_usage): Ditto.
11205 (variable_tracking_main): Ditto.
11206 * integrate.c (emit_initial_value_sets): Ditto.
11207 * integrate.h (emit_initial_value_sets): Ditto.
11208 * tree-optimize.c (execute_free_datastructures): Ditto
11209 (execute_free_cfg_annotations): Ditto.
11210 (execute_fixup_cfg): Ditto.
11211 (execute_cleanup_cfg_pre_ipa): Ditto.
11212 (execute_cleanup_cfg_post_optimizing): Ditto.
11213 (execute_init_datastructures): Ditto.
11214 * tree-object-size.c (compute_object_sizes): Ditto.
11215 * combine.c (rest_of_handle_combine): Ditto.
11216 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11217 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11218 (rest_of_handle_reorder_blocks): Ditto.
11219 (rest_of_handle_partition_blocks): Ditto.
11220 * var-tracking.c (variable_tracking_main): Ditto.
11221 * tree-profile.c (tree_profiling): Ditto.
11222 * tree-vect-generic.c (expand_vector_operations): Ditto.
11223 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11224 * sched-rgn.c (rest_of_handle_sched): Ditto.
11225 (rest_of_handle_sched2): Ditto.
11226 * basic-block.h (free_bb_insn): Ditto.
11227 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11228 * tree-cfg.c (execute_build_cfg): Ditto.
11229 (remove_useless_stmts): Ditto.
11230 (split_critical_edges): Ditto.
11231 (execute_warn_function_return): Ditto.
11232 (execute_warn_function_noreturn): Ditto.
11233 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11234 * cfgrtl.c (free_bb_for_insn): Ditto.
11235 * passes.c (execute_one_pass): Run additional
11236 todos returned by execute function.
11237 * tree-pass.h (struct tree_opt_pass): Make execute
11240 2006-03-02 Richard Guenther <rguenther@suse.de>
11242 * tree-ssa-alias.c (find_used_portions): Consider taking
11243 the address as making the variable not write-only.
11245 2006-03-02 Nick Clifton <nickc@redhat.com>
11247 * config.gcc (default_use_cxa_atexit): Extend the description of
11248 this configure variable. Set its default value to "yes" for
11249 Linux, NetBSD and ELF targets on the assumption that they will
11250 use C libraries with the __cxa_atexit function.
11252 2006-03-02 Ben Elliston <bje@au.ibm.com>
11254 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11255 parameter as unused to suppress a build warning.
11257 2006-03-02 Ben Elliston <bje@au.ibm.com>
11259 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11262 2006-03-01 Roger Sayle <roger@eyesopen.com>
11265 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11266 declared name, the weak reference name, and the typeof name.
11267 (__gthrw): Avoid expanding the declared name suffix.
11268 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11270 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11272 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11274 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11275 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11276 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11277 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11278 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11279 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11280 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11281 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11282 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11283 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11284 (DW_END_default, DW_END_big, DW_END_little): New.
11285 (DW_END_lo_user, DW_END_hi_user): Define.
11286 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11287 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11288 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11291 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11293 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11295 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11297 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11299 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11301 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11302 to 'symbol_mem_tag'.
11304 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11307 2006-03-01 Roger Sayle <roger@eyesopen.com>
11309 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11311 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11314 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11315 MACHO_DYNAMIC_NO_PIC_P.
11316 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11318 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11321 * config/darwin-protos.h (darwin_asm_output_anchor):
11323 * config/darwin-sections.def (cstring_section):
11324 Add SECTION_MERGE to the flags.
11325 (literal4_section): Likewise.
11326 (literal8_section): Likewise.
11327 (objc_selector_refs_section): Likewise.
11328 (objc_cls_refs_section): Likewise.
11329 * config/darwin.c (darwin_asm_output_anchor): New
11331 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11333 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11335 Fix PR tree-optimization/26443
11336 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11337 to todo and PROP_tmt_usage to properties_destroyed.
11338 * tree-ssa-ccp.c (pass_ccp): Ditto.
11339 (pass_store_ccp): Ditto.
11340 * tree-ssa-dom.c (pass_dominator): Ditto.
11342 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11344 * tree-ssa-operands.c: Cleanup whitespace.
11345 (get_asm_expr_operands): Move before first invocation.
11346 (get_indirect_ref_operands): Likewise.
11347 (get_tmr_operands): Likewise.
11348 (get_call_expr_operands): Likewise.
11349 (append_def): Likewise.
11350 (append_use): Likewise.
11351 (append_v_may_def): Likewise.
11352 (append_v_must_def): Likewise.
11353 (add_call_clobber_ops): Likewise.
11354 (add_call_read_ops): Likewise.
11355 (add_stmt_operand): Likewise.
11356 (add_virtual_operand): Likewise.
11357 (build_ssa_operands): Likewise.
11359 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11361 PR middle-end/26022
11363 PR middle-end/24437
11364 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11365 with a call expr to ...
11366 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11368 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11370 * tree-vrp.c (extract_range_from_assert): Remove special
11371 handling for types with super-types.
11373 2006-03-01 Ben Elliston <bje@au.ibm.com>
11375 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11376 and powerpc64-*-linux* configurations.
11377 * config/t-dfprules: New file.
11379 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11380 Compile dfp-bit.c from the source directory using -DWIDTH and
11381 $DFP_CFLAGS to control the compilation of that file, rather than
11382 generating width-specific versions in the build directory.
11383 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11384 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11386 2006-02-28 Zack Weinberg <zackw@panix.com>
11388 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11391 2006-02-28 Eric Christopher <echristo@apple.com>
11393 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11394 Set up IN_LIBGCC definition of TARGET_64BIT.
11395 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11397 2006-02-28 Roger Sayle <roger@eyesopen.com>
11399 PR middle-end/14752
11400 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11401 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11402 cases via the construction of "expr != 0".
11404 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11406 * alias.c (alias_invariant, alias_invariant_size): Remove.
11407 (record_base_value): Remove.
11408 (memrefs_conflict_p): Don't look at alias_invariant.
11409 (end_alias_analysis): Don't free it.
11410 * alias.h (record_base_value): Remove prototype.
11412 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11413 Adam Nemet <anemet@caviumnetworks.com>
11415 * rtl.h (truncated_to_mode): Declare it.
11416 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11417 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11418 (RTL_HOOKS_INITIALIZER): Include it.
11419 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11420 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11421 reg_truncated_to_mode.
11422 * rtlanal.c (truncated_to_mode): Define it.
11423 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11425 2006-02-28 Jeff Law <law@redhat.com>
11427 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11428 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11429 the range allowed by TYPE_PRECISION.
11431 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11433 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11435 PR tree-optimization/26419
11436 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11439 2006-02-27 Zack Weinberg <zackw@panix.com>
11441 * doc/md.texi: Fix typo in previous change.
11443 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11447 2006-02-27 Zack Weinberg <zackw@panix.com>
11449 * rtl.def (define_constraint, define_register_constraint)
11450 (define_memory_constraint, define_address_constraint): New MD forms.
11451 * gensupport.c (process_rtx): Put define_constraint etc on the
11453 * genpreds.c (process_define_predicate): Adjust comment. Validate
11454 the name, and call validate_exp to validate the expression.
11455 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11456 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11457 all callers changed.
11458 (validate_exp, needs_variable, struct constraint_data)
11459 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11460 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11461 (const_dbl_constraints, constraint_max_namelen)
11462 (have_register_constraints, have_memory_constraints)
11463 (have_address_constraints, have_address_constraints)
11464 (have_extra_constraints, have_const_int_constraints)
11465 (have_const_dbl_constraints, mangle, add_constraint)
11466 (process_define_constraint, process_define_register_constraint)
11467 (write_enum_constraint_num, write_lookup_constraint)
11468 (write_insn_constraint_len, write_regclass_for_constraint)
11469 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11470 (write_insn_extra_memory_constraint)
11471 (write_insn_extra_address_constraint)
11472 (write_satisfies_constraint_fns): New.
11473 (write_tm_preds_h): If we have new-style constraint definitions,
11474 prototype the functions generated from them, and define the
11475 old constraint interface (still used by generic code) in terms of
11477 (write_insn_preds_c): If we have new-style constraint definitions,
11478 generate all relevant functions from those definitions.
11479 (main): Handle define_constraint etc.
11480 * genoutput.c (struct constraint_data, indep_constraints)
11481 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11482 (mdep_constraint_len): New data structures and functions, defined
11483 #ifdef USE_MD_CONSTRAINTS.
11484 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11485 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11486 use new logic to validate operand constraints against constraint
11488 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11490 * defaults.h: If none of the old-style constraint macros are
11491 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11492 old-style macros; and poison REG_CLASS_FROM_LETTER,
11493 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11495 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11496 * doc/md.texi: Document new constraint-definition mechanism and the
11497 C interface it provides. Remove references to old mechanism
11498 elsewhere in the document.
11499 (Machine Constraints): Use pathnames relative to gcc directory,
11500 i.e. config/ARCH/FILE. Change i386 section to refer to
11501 config/i386/predicates.md; update that section to match docstrings.
11502 * doc/tm.texi: Move all documentation of the old constraint-
11503 definition macros to their own section, clearly mark as obsolete.
11505 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11506 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11508 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11509 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11510 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11511 constraint strings.
11512 (splits and peepholes): Use satisfies_constraint_*.
11513 * config/i386/i386.c (memory_address_length)
11514 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11516 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11518 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11519 scalar operation to be put back into the loop.
11521 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11524 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11525 (extract_cie_info): Handle S flag in augmentation string.
11526 (execute_cfa_program): If context->signal_frame, execute also
11527 fs->pc == context->ra instructions.
11528 (uw_frame_state_for): If context->signal_frame, don't subtract one
11529 from context->ra to find FDE.
11530 (uw_update_context_1): Set context->signal_frame to
11532 (_Unwind_GetIPInfo): New function.
11533 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11534 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11536 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11537 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11538 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11539 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11540 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11541 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11542 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11543 x86_64_fallback_frame_state): Set fs->signal_frame.
11544 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11545 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11546 (frob_update_context): Likewise. Workaround missing S flag in
11547 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11548 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11549 Remove the psw_addr + 1 hack.
11551 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11553 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11554 with aggregates here.
11555 (find_func_aliases): Remove code for &<aggregate> from here.
11557 2006-02-26 Roger Sayle <roger@eyesopen.com>
11559 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11560 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11561 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11562 as (X & C) ne/eq 0.
11564 2006-02-26 Roger Sayle <roger@eyesopen.com>
11566 PR middle-end/19983
11567 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11569 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11571 * opts.c (decode_options): Do not handle flag_strength_reduce.
11572 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11573 and OPT_fstrength_reduce.
11574 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11575 flag_prefetch_loop_arrays for being nonzero.
11576 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11578 (fprefetch-loop-arrays-rtl): Removed.
11579 (flag_prefetch_loop_arrays): Do not specify the value.
11581 * doc/passes.texi: Update documentation of loop optimizer
11583 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11584 -frerun-loop-opt): Remove.
11586 2006-02-26 Richard Guenther <rguenther@suse.de>
11588 PR tree-optimization/26421
11589 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11590 in function calls that are ADDR_EXPRs as using the whole structure.
11592 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11594 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11595 * tree-pass.h (pass_loop_optimize): Remove.
11596 * passes.c (pass_loop_optimize): Never run it.
11597 * toplev.c (backend_init): Don't call init_loop.
11598 * opts.c (flag_loop_optimize_set): Remove.
11599 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11600 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11601 the old RTL loop optimizer when profiling enabled.
11602 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11603 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11604 pre-headers for the sake of the old RTL loop optimizer.
11605 * Makefile.in: Remove all references to loop.o.
11607 * doc/invoke.texi: Remove all references to -floop-optimize
11608 and -frerun-loop-opt.
11610 2006-02-26 Zack Weinberg <zackw@panix.com>
11612 * doc/md.texi (Machine Constraints): Refer to all files with paths
11613 relative to gcc directory (i.e. config/CPU/file). Add missing
11614 @table @code ... @end table to M32C subsection.
11616 2006-02-26 Roger Sayle <roger@eyesopen.com>
11618 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11620 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11622 2006-02-26 Roger Sayle <roger@eyesopen.com>
11623 James A. Morrison <phython@gcc.gnu.org>
11625 PR middle-end/21137
11626 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11627 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11628 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11629 signedness of the shift operation.
11631 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11633 PR tree-optimization/26359
11634 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11636 2006-02-25 Roger Sayle <roger@eyesopen.com>
11638 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11639 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11640 as X == 0, and some symmetry related transformations.
11641 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11643 2006-02-25 Roger Sayle <roger@eyesopen.com>
11645 PR middle-end/23673
11646 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11647 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11648 symmetry related transformations. Fold (X^C1) == C2 as
11651 2006-02-25 Juergen Weigert <jw@suse.de>
11652 Richard Guenther <rguenther@suse.de>
11654 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11656 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11658 * combine.c (gen_lowpart_or_truncate): Call
11659 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11661 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11663 * doc/invoke.texi: Move -fopenmp description to "Options for
11665 Remove reference to -lgomp.
11667 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11669 * doc/install.texi: Require GNU tar version 1.14.
11671 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11673 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11674 * doc/invoke.texi (C++ Dialect Options): Document
11675 -fno-use-cxa-get-exception-ptr.
11676 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11677 * configure: Regenerate.
11678 * c.opt (fuse-cxa-get-exception-ptr): New.
11679 * c-opts.c (c_common_handle_option): Handle
11680 OPT_fuse_cxa_get_exception_ptr.
11681 * c-common.c (flag_use_cxa_atexit): Update documentation.
11682 (flag_use_cxa_get_exception_ptr): New.
11683 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11684 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11686 (C_COMMON_OVERRIDE_OPTIONS): New.
11688 2006-02-24 Roger Sayle <roger@eyesopen.com>
11690 PR middle-end/24952
11691 * combine.c (try_combine): Explicitly check whether GET_CODE is
11692 a SET or a CLOBBER, instead on checking that it isn't a USE.
11694 2006-02-24 Roger Sayle <roger@eyesopen.com>
11696 * fold-const.c (fold_comparison): New subroutine of fold_binary
11697 containing transformations common to both the equality and
11698 ordering relational operators, factored out of fold_binary.
11699 (fold_binary): Separate out the equality operators (EQ_EXPR
11700 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11701 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11702 transformations common to both.
11703 (fold_div_compare): Fix latent bugs in the previously unreachable
11704 LT_EXPR and GE_EXPR cases.
11706 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11708 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11709 decl libname for clog to __clog on AIX.
11711 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11713 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11716 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11717 output traceback table for thunks. Localise rs6000_stack_info call.
11719 2006-02-23 Roger Sayle <roger@eyesopen.com>
11720 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11722 * gthr-posix.h (__gthrw): Fix typo in comment.
11724 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11726 * doc/cpp.texi (Character sets): Document that we do support
11727 input files to be in any character set.
11729 2006-02-23 Jeff Law <law@redhat.com>
11731 * tree.h (PHI_ARG_NONZERO): Remove.
11732 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11733 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11734 node to the new node.
11736 PR tree-optimization/26425
11737 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11738 min/max, then assume its varying.
11740 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11742 PR rtl-optimization/26316
11743 * rtlanal.c (enum may_trap_p_flags): New.
11744 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11745 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11746 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11747 (may_trap_after_code_motion_p): New function.
11748 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11749 (find_invariant_insn): Use may_trap_after_code_motion_p.
11750 * rtl.h (may_trap_after_code_motion_p): Declare.
11752 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11754 * emit-rtl.c (immed_double_const): Cleanup.
11756 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11758 Fix PR tree-optimization/26376
11759 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11762 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11764 PR middle-end/26412
11765 * gimplify.c (omp_add_variable): Guard variable size decl test with
11766 DECL_SIZE (decl) check.
11768 2006-02-23 Richard Guenther <rguenther@suse.de>
11770 PR middle-end/26439
11771 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11772 like aggregate types.
11774 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11776 * configure.ac: Add --with{,out}-long-double-128 configure option.
11777 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11778 * configure: Rebuilt.
11779 * config.in: Rebuilt.
11780 * doc/install.texi (Options specification): Document
11781 --with-long-double-128.
11783 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11784 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11785 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11786 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11788 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11790 * config/s390/s390.c (override_options): Handle
11791 TARGET_DEFAULT_LONG_DOUBLE_128.
11793 * config/alpha/alpha.c (override_options): Handle
11794 TARGET_DEFAULT_LONG_DOUBLE_128.
11796 * config/sparc/sparc.c (sparc_override_options): Handle
11797 TARGET_DEFAULT_LONG_DOUBLE_128.
11799 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11801 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11802 (real-install-headers-tar, real-install-headers-cpio)
11803 (real-install-headers-cp): New targets.
11805 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11807 * tree.h (variable_section): Delete.
11808 * varasm.c (variable_section): Delete.
11810 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11812 * install.texi: Add notes on install.texi2html.
11813 (Building in parallel): Do not use footnotes.
11815 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11818 * doc/install.texi (Configuration): Document --disable-libgomp.
11820 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11822 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11824 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11826 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11827 (vec_extractv2df_0_sse): New.
11829 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11831 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11832 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11833 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11834 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11835 to the result of the expression.
11836 (def_cfa_1): Adjust.
11837 (frame_pointer_cfa_offset): Rename to...
11838 (frame_pointer_fb_offset): ... this. Adjust all uses.
11839 (convert_cfa_to_loc_list): Rename to...
11840 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11841 Pass it on to build_cfa_loc.
11842 (compute_frame_pointer_to_cfa_displacement): Rename to...
11843 (compute_frame_pointer_to_fb_displacement): ... this. New
11844 offset parameter. Use it in computation.
11845 (gen_subprogram_die): Compute cfa_fb_offset with the new
11846 macro, and use it to compute the fb loc list and the
11849 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11851 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11852 replaced with register_operand.
11853 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11854 non-DREG is expensive.
11855 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11856 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11859 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11861 * doc/install.texi2html: Use set -e.
11863 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11865 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11866 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11867 * doc/invoke.texi (-fshared-data): Delete.
11868 * common.opt (fshared-data): Delete.
11869 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11870 (assemble_static_space): Remove #if 0 code.
11871 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11872 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11873 * config/cris/cris.h: Remove FIXME.
11875 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11877 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11880 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11882 PR middle-end/26379
11883 * combine.c (simplify_shift_const_1): Disable nested shifts
11884 optimization for vector shifts.
11886 2006-02-20 Roger Sayle <roger@eyesopen.com>
11888 PR tree-optimization/26361
11889 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11890 of unsigned integer types.
11892 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11894 * tree-chrec.c (eq_evolutions_p): New.
11895 * tree-chrec.h (eq_evolutions_p): Declared.
11896 * tree-data-ref.c: Fix formatting.
11897 (datadep_stats, dependence_stats): New.
11899 (print_direction_vector): New.
11900 (dump_data_dependence_relation): Use print_direction_vector.
11901 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11902 (compute_subscript_distance): Static.
11903 (initialize_data_dependence_relation): Static. Get the number
11904 of loops surrounding the references from the callers, and initialize
11905 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11906 base_object_differ_p analyzers.
11907 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11908 compute_overlap_steps_for_affine_1_2,
11909 analyze_subscript_affine_affine): Count the classified dependences.
11910 Print a message when a test failed.
11911 (can_use_analyze_subscript_affine_affine): New.
11912 (analyze_siv_subscript): Compute the data dependences on symbolic
11913 scevs that verify can_use_analyze_subscript_affine_affine.
11914 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11915 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11916 Handle symbolic scevs.
11917 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11919 (subscript_dependence_tester): Moved...
11920 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11921 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11922 DDR_SIZE_VECT instead of getting it in parameter.
11923 (subscript_dependence_tester): ... here. Take as a parameter
11924 loop_nest_depth. Call build_classic_dist_vector and
11925 build_classic_dir_vector.
11926 (compute_affine_dependence): Update subscript_dependence_tester
11927 parameters. Update datadep_stats counters. Call
11928 compute_subscript_distance.
11929 (compute_self_dependence): Save the dist and dir vectors. Call
11930 compute_subscript_distance.
11931 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11932 (compute_all_dependences): Reorder parameters as they were before
11933 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11934 compute_subscript_distance. Update the use of
11935 compute_affine_dependence and initialize_data_dependence_relation.
11936 (find_data_references_in_loop): Handle COMPONENT_REF.
11937 (compute_data_dependences_for_loop): Initialize dependence_stats.
11938 Don't call build_classic_dist_vector and build_classic_dir_vector.
11939 Update the parameters of initialize_data_dependence_relation and
11940 compute_all_dependences. Print the statistics from datadep_stats.
11941 (analyze_all_data_dependences): Static. Not used until the pass for
11942 checking the data dependences is contributed.
11943 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11944 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11945 (initialize_data_dependence_relation, compute_affine_dependence,
11946 analyze_all_data_dependences, compute_subscript_distance): Removed.
11947 (print_direction_vector): New.
11948 * lambda.h (gcd): ... here.
11949 (lambda_vector_gcd): Moved here from gcd_vector.
11950 * lambda-code.c (gcd, gcd_vector): Removed.
11951 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11952 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11954 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11956 * ipa-type-escape.c: Tidy some comments and white space.
11957 * tree-ssa-operands.c: Likewise.
11959 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11962 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11963 (dump_decl_name): Do not walk the decl tree chains.
11964 * tree-pass.h (TDF_CHAIN): Remove.
11966 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11968 * Makefile.in (C): Remove
11970 (.PHONY): Remove C and PROTO
11972 2006-02-20 Roger Sayle <roger@eyesopen.com>
11974 PR middle-end/26236
11975 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11976 deprecated CHAR_TYPE tree code.
11978 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11980 * configure.ac (target_list): Add install-info, dvi, html.
11981 * configure: Regenerate.
11983 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11984 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11985 treelang/Make-lang.in: Do not use double-colon rules.
11987 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11989 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11990 (TMT_USED_ALONE): New macro.
11991 * tree-pass.h (PROP_tmt_usage): New property.
11992 (TODO_update_tmt_usage): New todo.
11993 * tree-ssa-alias.c (updating_used_alone): New variable.
11994 (recalculate_used_alone): New function.
11995 (compute_may_aliases): Set updating_used_alone, call
11996 recalculate_used_alone.
11997 * tree-sra.c (pass_sra): Note that this pass destroys
11998 PROP_tmt_usage, and add TODO_update_tmt_usage.
11999 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12000 * tree-flow.h (updating_used_alone): Prototype.
12001 (recalculate_used_alone): Ditto.
12002 * passes.c (execute_todo): Add code to set updating_used_alone,
12003 and call recalculate.
12004 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12005 for clobber if used alone, and add assert to verify used_alone
12008 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12010 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12011 for non tls symbols added.
12012 (legitimize_address): Do nothing for PLUS expressions if one of the
12013 addends is a tls symbol reference.
12015 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12019 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12021 * Makefile.in (BOOTSTRAPPING): New.
12022 (quickstrap): New definition if BOOTSTRAPPING=yes.
12024 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12025 * configure.ac: Substitute all_selected_languages with the languages
12026 that were configured. For all the other variables except
12027 lang_specs_files, include all the languages in the tree.
12028 * configure: Regenerate.
12030 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12031 if there is one. Run the commands to run fixincludes in the same
12034 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12035 * doc/install.texi: Document exact conventions for searching target tools.
12036 Document --with-build-time-tools. Document toplevel bootstrap. Document
12037 something more about building an Ada cross-compiler. Don't list GNU Make
12038 requirements which affect all platforms.
12040 2006-02-19 Roger Sayle <roger@eyesopen.com>
12042 PR middle-end/19543
12043 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12044 only equivalent if the have both the same mode and precision.
12046 2006-02-20 Ben Elliston <bje@au.ibm.com>
12048 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12050 2006-02-19 Roger Sayle <roger@eyesopen.com>
12051 Steven Bosscher <stevenb.gcc@gmail.com>
12053 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12054 constant pool references to identify stack mode constants.
12055 * rtlanal.c (constant_pool_constant_p): New predicate to check
12056 whether operand is a floating point constant in the pool.
12057 * rtl.h (constant_pool_constant_p): Prototype here.
12058 * loop.c (scan_loop): Avoid hoisting constants from the constant
12059 pool on STACK_REGS targets.
12060 (load_mems): Likewise.
12061 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12062 loads into x87 registers expensive in terms of register pressure.
12064 2006-02-19 Roger Sayle <roger@eyesopen.com>
12066 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12067 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12069 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12071 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12072 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12074 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12076 * doc/invoke.texi: Document -fipa-pta.
12077 * common.opt: Add ipa-pta option.
12078 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12079 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12080 (do_ds_constraint): Ditto.
12081 (get_constraint_for): Only add to referenced_vars if
12082 referenced_vars exists.
12083 (insert_into_field_list): Rewrite to do this unsorted.
12084 (insert_into_field_list_sorted): Rename old insert_into_field_list
12086 (create_function_info_for): Use insert_into_field_list_sorted.
12087 (create_variable_info_for): Rewrite so it uses unsorted version,
12088 since the field list is sorted.
12089 (intra_create_variable_infos): Only add to referenced_vars if
12090 referenced_vars exists.
12091 (ipa_pta_execute): Init heapvars, and delete when done.
12092 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12094 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12096 * doc/install.texi: Add missing `@samp'.
12098 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12100 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12103 2006-02-18 Mark Wielaard <mark@klomp.org>
12105 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12106 who added new 4.1 features, bug fixes and integration support.
12108 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12111 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12112 MEM for ABI_V4 pic.
12114 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12116 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12117 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12118 (copy_insn_1): Likewise. Don't copy each field individually.
12120 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12122 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12123 * rtl.c (rtx_size): Rename variable to...
12124 (rtx_code_size): ...this.
12125 (rtx_size): New function.
12126 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12127 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12129 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12130 * rtl.h (rtx_code_size): New variable.
12131 (rtx_size): Change from a variable to a function.
12132 (RTX_SIZE): Rename to...
12133 (RTX_CODE_SIZE): ...this.
12136 PR tree-optimization/17106
12137 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12138 (Anchored Addresses): New section.
12139 * doc/invoke.texi (-fsection-anchors): Document.
12140 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12141 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12142 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12143 * hooks.c (hook_bool_mode_rtx_false): New function.
12144 * hooks.h (hook_bool_mode_rtx_false): Declare.
12145 * gengtype.c (create_optional_field): New function.
12146 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12147 SYMBOL_REF_IN_BLOCK_P is true.
12148 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12149 (min_anchor_offset, max_anchor_offset): Likewise.
12150 (use_anchors_for_symbol_p): New hook.
12151 * toplev.c (compile_file): Call output_object_blocks.
12152 (target_supports_section_anchors_p): New function.
12153 (process_options): Check that -fsection-anchors is only used on
12154 targets that support it and when -funit-at-a-time is in effect.
12155 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12156 if the decl doesn't have one.
12157 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12158 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12159 of force_const_mem through use_anchored_address.
12160 (expand_expr_constant): New function.
12161 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12162 calling expand_expr for INDIRECT_REF.
12163 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12164 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12165 * expr.h (use_anchored_address): Declare.
12166 * loop-unroll.c: Don't declare rtx vectors here.
12167 * explow.c: Include output.h.
12168 (validize_mem): Call use_anchored_address.
12169 (use_anchored_address): New function.
12170 * common.opt (-fsection-anchors): New switch.
12171 * varasm.c (object_block_htab, anchor_labelno): New variables.
12172 (hash_section, object_block_entry_eq, object_block_entry_hash)
12173 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12174 (use_blocks_for_decl_p, change_symbol_section): New functions.
12175 (get_variable_section): New function, split out from assemble_variable.
12176 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12177 use_blocks_for_decl_p say so. Use change_symbol_section if the
12178 symbol has already been created.
12179 (assemble_variable_contents): New function, split out from...
12180 (assemble_variable): ...here. Don't output any code for
12181 block symbols; just pass them to place_block_symbol.
12182 Use get_variable_section and assemble_variable_contents.
12183 (get_constant_alignment, get_constant_section, get_constant_size): New
12184 functions, split from output_constant_def_contents.
12185 (build_constant_desc): Create a block symbol if use_object_blocks_p
12186 says so. Or into SYMBOL_REF_FLAGS.
12187 (assemble_constant_contents): New function, split from...
12188 (output_constant_def_contents): ...here. Don't output any code
12189 for block symbols; just pass them to place_section_symbol.
12190 Use get_constant_section and get_constant_alignment.
12191 (force_const_mem): Create a block symbol if use_object_blocks_p and
12192 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12193 (output_constant_pool_1): Add an explicit alignment argument.
12194 Don't switch sections here.
12195 (output_constant_pool): Adjust call to output_constant_pool_1.
12196 Switch sections here instead. Don't output anything for block symbols;
12197 just pass them to place_block_symbol.
12198 (init_varasm_once): Initialize object_block_htab.
12199 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12200 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12201 (place_block_symbol, get_section_anchor, output_object_block)
12202 (output_object_block_htab, output_object_blocks): New functions.
12203 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12204 (TARGET_ASM_OUT): Include it.
12205 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12206 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12207 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12208 (TARGET_INITIALIZER): Include them.
12209 * rtl.c (rtl_check_failed_block_symbol): New function.
12210 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12211 (block_symbol, object_block): New structures.
12212 (rtx_def): Add a block_symbol field to the union.
12213 (BLOCK_SYMBOL_CHECK): New macro.
12214 (rtl_check_failed_block_symbol): Declare.
12215 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12216 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12217 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12218 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12219 * output.h (output_section_symbols): Declare.
12220 (object_block): Name structure.
12221 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12222 (default_use_anchors_for_symbol_p): Declare.
12223 * Makefile.in (RTL_BASE_H): Add vec.h.
12224 (explow.o): Depend on output.h.
12225 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12226 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12227 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12228 (rs6000_use_blocks_for_constant_p): New function.
12230 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12232 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12234 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12237 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12240 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12242 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12246 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12248 PR middle-end/26334
12249 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12250 instead of DECL_REGISTER.
12252 2006-02-18 Olivier Hainque <hainque@adacore.com>
12255 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12257 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12260 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12261 * opth-gen.awk: Handle Var and InverseMask together.
12262 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12263 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12264 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12265 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12267 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12268 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12269 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12270 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12271 LINUX_DYNAMIC_LINKER): Define.
12272 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12273 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12275 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12276 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12277 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12278 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12279 (TARGET_C99_FUNCTIONS): Don't define.
12280 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12281 GLIBC_DYNAMIC_LINKER.
12282 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12283 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12284 GLIBC_DYNAMIC_LINKER64): Define.
12285 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12286 LINUX_DYNAMIC_LINKER64.
12287 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12288 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12289 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12290 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12291 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12292 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12293 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12294 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12295 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12296 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12297 and LINUX_DYNAMIC_LINKER32.
12298 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12299 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12300 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12301 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12302 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12304 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12305 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12306 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12307 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12308 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12309 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12310 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12311 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12312 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12313 LINUX_DYNAMIC_LINKER): Define.
12314 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12315 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12316 GLIBC_DYNAMIC_LINKER64): Define.
12317 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12318 LINUX_DYNAMIC_LINKER64.
12319 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12320 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12321 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12322 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12323 LINUX_DYNAMIC_LINKER): Define.
12324 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12325 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12326 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12327 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12328 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12329 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12330 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12331 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12332 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12333 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12334 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12335 * doc/invoke.texi (-muclibc): Remove caveat about supported
12338 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12340 * doc/cpp.texi (__TIMESTAMP__): Document.
12342 2006-02-17 Roger Sayle <roger@eyesopen.com>
12344 PR middle-end/25600
12345 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12346 C is one less than the width of X (and related transformations).
12347 * simplify-rtx.c (simplify_unary_operation_1): Transform
12348 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12349 depending on STORE_FLAG_VALUE, were C is one less then the
12352 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12354 Fix PR tree-optimization/26341
12355 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12356 about NAME_MEMORY_TAG's.
12358 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12361 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12362 with hardware float support, and software float support. Add fcpy
12363 alternative to hardware patterns. Add alternatives to copy between
12364 general and floating-point registers to the 32-bit pattern.
12365 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12366 secondary reload to load a QI or HI mode constant into a floating
12368 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12369 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12371 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12374 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12376 (load_macho_picbase_di): Likewise.
12378 2006-02-16 Jeff Law <law@redhat.com>
12380 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12381 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12382 (ssa_name_nonzero_p): Likewise.
12383 (get_value_range): Return NULL if VRP is not running.
12384 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12385 VRP routines do not discover a range.
12386 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12387 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12388 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12389 (tree_expr_nonnegative_p): Similarly.
12390 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12391 (restore_nonzero_vars_to_original_value): Remove.
12392 (unsafe_associative_fp_binop): Remove.
12393 (tree_ssa_dominator_optimize): Remove initialization and
12394 finalization of nonzero_vars and nonzero_vars_stack.
12395 (dom_opt_initialize_block): No longer push marker on
12396 nonzero_vars_stack.
12397 (dom_opt_finalize_block): No longer call
12398 restore_nonzero_vars_to_original_value.
12399 (record_equivalences_from_phis): No longer look for
12400 nonzero PHI arguments.
12401 (cprop_into_successor_phis): No longer propagate nonzero
12402 property into PHI arguments. Lose unused argument. Caller
12404 (record_equivalences_from_stmt): No longer record nonzero
12405 values for SSA_NAMEs.
12406 (lookup_avail_expr): No longer use nonzero_vars.
12408 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12409 for sizetype when sizetype is unsigned.
12411 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12413 PR rtl-optimization/25603
12414 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12415 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12416 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12417 with new meaning of SETS.
12419 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12424 * config/linux.opt: New file.
12425 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12426 LINUX_DYNAMIC_LINKER): Define.
12427 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12428 * config.gcc (*-*-linux*): Define extra_options.
12429 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12430 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12431 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12432 GLIBC_DYNAMIC_LINKER.
12433 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12434 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12435 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12436 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12437 * doc/invoke.texi (GNU/Linux Options): New section.
12439 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12441 * config/sparc/sparc.md (setjmp): Rewrite.
12442 (setjmp_32): Delete.
12443 (setjmp_64): Likewise.
12445 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12447 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12450 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12452 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12455 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12457 PR rtl-optimization/26296
12458 * Makefile.in (loop-invariant.c): Add except.h dependency.
12459 * loop-invariant.c: Include except.h.
12460 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12462 2005-02-16 Paul Brook <paul@codesourcery.com>
12464 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12467 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12469 PR rtl-optimization/25636
12470 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12471 when deciding whether an insn is an initializing insn.
12473 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12475 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12476 (tree_code_size): Ditto.
12477 * tree.h (struct tree_memory_tag): Remove parent_var.
12478 (struct tree_struct_field_tag): New.
12481 (union tree_node): Add sft member.
12482 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12484 (create_sft): Add size and offset argument, set SFT_OFFSET and
12486 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12487 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12488 * tree-flow-inline.h (get_subvar_at): Update for
12489 SFT_OFFSET/SFT_SIZE.
12490 (var_can_have_subvars): Ditto.
12491 (overlap_subvar): Ditto.
12492 * print-tree.c (print_node): Print out interesting things for
12494 * tree-flow.h (struct subvar): Remove offset and size members.
12495 * tree-ssa-operands.c (get_expr_operands): Update for
12496 get_indirect_ref_operands changes.
12497 (get_indirect_ref_operands): Call add_virtual_operand instead of
12498 add_stmt_operand. Only recurse on base var if requested.
12499 (access_can_touch_variable): New function.
12500 (add_stmt_operand): Split virtual operand handling into ...
12501 (add_virtual_operand): Here. Add offset, size, and for_clobber
12502 arguments. Prune alias sets.
12503 (add_call_clobber_ops): Call add_virtual_operand.
12505 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12507 PR middle-end/26300
12508 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12510 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12511 than TREE_CODE as index into omp_clause_num_ops array.
12513 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12515 PR rtl-optimization/26184
12516 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12518 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12519 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12520 must_precede, must_follow and tobe_scheduled.
12523 * opts.c (common_handle_option): Free new_option pointer.
12524 * df-core.c (df_analyze): Free postorder pointer.
12526 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12528 * Makefile.in: Fix the examples about the use of stamps
12530 2006-02-15 Michael Matz <matz@suse.de>
12532 PR middle-end/22275
12534 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12535 influenced by maximum_field_alignment or DECL_PACKED.
12536 (update_alignment_for_field): Ditto.
12537 (place_field): Ditto.
12538 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12541 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12543 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12544 (debug_flow_info): Pass it.
12545 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12546 * bb-reorder.c (reorder_basic_blocks): Likewise.
12547 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12548 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12549 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12550 * gcse.c (gcse_main, bypass_jumps): Likewise.
12551 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12552 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12553 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12554 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12555 * rtl.h (dump_flow_info): Adjust prototype.
12556 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12557 * var-tracking.c (variable_tracking_main): Likewise.
12558 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12559 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12562 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12564 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12567 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12569 PR tree-optimization/26209
12570 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12571 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12573 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12575 2006-02-14 Roger Sayle <roger@eyesopen.com>
12577 PR middle-end/23670
12578 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12579 (X,Y) and the corresponding symmetry related transformations.
12580 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12581 (X,Y) and its symmetry related transformations.
12583 2006-02-14 Roger Sayle <roger@eyesopen.com>
12585 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12588 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12590 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12592 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12595 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12596 support COMDAT group.
12597 * configure: Regenerate.
12599 2006-02-14 Roger Sayle <roger@eyesopen.com>
12601 PR middle-end/26279
12602 PR middle-end/26280
12603 PR middle-end/26283
12604 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12606 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12608 Fix PR tree-optimization/26260
12610 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12612 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12613 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12614 * tree-ssa-structalias.c (create_variable_info_for): Use
12615 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12617 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12619 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12621 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12622 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12623 of the ending condition.
12624 * tree-ssa-loop-manip.c: Include params.h.
12625 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12626 tree_unroll_loop): New functions.
12627 * tree-pass.h (pass_loop_prefetch): Declare.
12628 * loop.c (rest_of_handle_loop_optimize): Test for
12629 -fprefetch-loop-arrays-rtl.
12630 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12631 * timevar.def (TV_TREE_PREFETCH): New timevar.
12632 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12633 pass_loop_prefetch): New.
12634 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12635 (cleanup_tree_cfg_loop): Call scev_reset.
12636 * common.opt (fprefetch-loop-arrays-rtl): Add.
12637 * tree-ssa-loop-prefetch.c: New file.
12638 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12639 (new_temp_expr_table): Initialize expr_vars.
12640 (free_temp_expr_table): Cleanup expr_vars.
12641 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12642 expressions from being merged into one.
12643 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12644 (struct tree_niter_desc): Add control, bound and cmp fields.
12645 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12647 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12648 (tree-cfgcleanup.o): Add SCEV_H dependency.
12649 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12650 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12652 2006-02-14 Richard Guenther <rguenther@suse.de>
12654 PR tree-optimization/26258
12655 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12656 in PHI argument processing.
12658 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12660 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12661 new expression in the requested machine mode.
12663 2006-02-13 Roger Sayle <roger@eyesopen.com>
12665 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12666 directly, instead let do_compare_rtx_and_jump handle this for us.
12667 * expr.c (expand_expr_real_1): Likewise.
12668 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12669 before do_jump_by_parts_greater.
12670 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12671 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12673 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12675 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12677 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12679 PR rtl-optimization/26235
12680 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12681 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12684 2006-02-13 Jeff Law <law@redhat.com>
12686 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12689 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12691 PR middle-end/26092
12692 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12693 twice if decl is a builtin. When trying again, call get_callee_fndecl
12694 first to verify it is still a builtin.
12696 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12698 * dwarf2out.c (base_type_die): Don't add AT_name here.
12699 (subrange_type_die): Don't add AT_name here.
12700 (modified_type_die): Rearrange code flow. Do add AT_name here.
12702 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12704 PR rtl-optimization/26247
12705 PR rtl-optimization/26248
12706 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12708 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12710 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12711 * config/fixtfdi.c: Likewise.
12712 * config/fixunstfdi.c: Likewise.
12713 * config/floatditf.c: Likewise.
12715 2006-02-13 Roger Sayle <roger@eyesopen.com>
12717 PR middle-end/24427
12718 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12719 into (X,C2) if C1 is a subset of the bits of C2. Transform
12720 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12722 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12724 2006-02-13 Josh Conner <jconner@apple.com>
12727 * varasm.c (function_section): Check for section name before
12728 calling select_section on targets that define
12729 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12730 unlikely_text_section instead of hot_function_section if
12731 first_function_block_is_cold.
12733 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12735 PR middle-end/25335
12736 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12738 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12740 PR rtl-optimization/26222
12741 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12742 after tree->rtl expansion.
12743 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12744 before passing it to emit_move_insn.
12746 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12748 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12750 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12751 Clarify documentation.
12752 * c-common.h (warn_write_strings): Remove.
12753 * c-common.c (warn_write_strings): Likewise.
12754 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12757 2006-02-12 Roger Sayle <roger@eyesopen.com>
12759 PR middle-end/25724
12760 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12761 (do_jump_parts_zero_rtx): New function renamed from
12762 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12763 (do_jump_parts_equality_rtx): New function split out from
12764 do_jump_parts_equality. Old implementation renamed as above.
12765 Call do_jump_parts_zero_rtx if either operand is zero.
12766 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12767 do all of the heavy lifting.
12768 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12769 calling either do_jump_by_parts_greater_rtx or
12770 do_jump_by_parts_equality_rtx.
12771 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12772 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12773 moved to do_compare_rtx_and_jump, call it directly.
12774 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12775 mode argument. Call do_compare_rtx_and_jump.
12776 (emit_case_nodes): Update calls to do_jump_if_equal.
12778 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12780 PR rtl-optimization/26225
12781 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12783 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12785 PR rtl-optimization/26232
12786 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12788 2006-02-11 Jason Merrill <jason@redhat.com>
12791 * tree-inline.c (declare_return_variable): Just don't use the
12792 modify target if it's a gimple complex reg and the return slot
12795 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12797 * doc/contrib.texi: Update my entry.
12799 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12801 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12803 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12805 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12808 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12810 * doc/invoke.texi (-floop-optimize2): Removed.
12811 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12812 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12813 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12814 * common.opt (floop-optimize2): Removed.
12815 (fmove-loop-invariants): Enabled by default.
12817 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12819 * tree-if-conv.c (combine_blocks): Free the result of
12820 get_loop_exit_edges.
12822 2006-02-10 Jeff Law <law@redhat.com>
12824 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12826 PR tree-optimization/26213
12827 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12828 loop trying to follow SSA_NAME_VALUE chains.
12830 2006-02-10 Richard Guenther <rguenther@suse.de>
12832 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12833 deal with structures that end in implicitly variable sized arrays.
12835 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12837 PR rtl-optimization/24762
12838 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12841 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12843 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12844 (struct ivopts_data): Add regs_used field.
12845 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12846 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12847 instead of loop_data->regs_used;
12848 (free_loop_data): Do not free aux fields for loops.
12849 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12850 and tree_ssa_iv_optimize_finalize.
12852 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12854 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12856 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12859 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12860 computing the effective result type.
12862 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12864 PR inline-asm/16194
12865 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12866 (tree_overlaps_hard_reg_set): Declare.
12867 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12868 type and signature to match function type expected by walk_tree.
12869 (tree_overlaps_hard_reg_set): New function.
12870 (decl_conflicts_with_clobbers_p): Rename to:
12871 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12872 Use tree_overlaps_hard_reg_set. Changed caller.
12873 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12874 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12875 * cris.c (cris_md_asm_clobbers): Likewise.
12877 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12879 * reload1.c (emit_input_reload_insns): Delete code that tries to
12880 inherit using find_equiv_reg.
12882 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12884 * c-common.h (flag_const_strings): Don't declare.
12885 * c-common.c (flag_const_strings): Remove.
12886 * c.opt (fconst_strings): Remove.
12887 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12888 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12889 (c_common_init_options): Don't set flag_const_strings.
12890 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12892 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12894 * arm.md (tlobits_cbranch): New pattern.
12895 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12896 testing a single bit.
12898 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12901 * tree-ssa-pre.c (create_component_ref_by_pieces):
12902 Handle RETURN_DECL like VAR_DECL.
12904 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12906 PR middle-end/26134
12907 * fold-const.c (fold_indirect_ref_1): Fold
12908 "*(foo *)&complexfoo" to "__real__ complexfoo"
12909 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12911 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12913 * tree-flow-inline.h (var_can_have_subvars):
12914 Volatile variables should not have subvariables.
12916 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12919 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12920 multiplying unsigned values.
12923 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12925 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12927 2006-02-08 Jason Merrill <jason@redhat.com>
12930 * tree.def: Elaborate on difference from MODIFY_EXPR.
12931 * doc/c-tree.texi (INIT_EXPR): Likewise.
12932 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12933 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12934 (gimplify_target_expr): Likewise.
12935 (gimplify_cond_expr): Remove target handling.
12936 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12937 (gimplify_expr): Clobber it here.
12938 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12939 Do return slot optimization if we have an INIT_EXPR.
12942 * tree-inline.c (declare_return_variable): Also clear
12943 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12946 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12948 PR middle-end/22439
12949 * gimplify.c (gimplify_one_sizepos): Fix typo.
12951 2006-02-08 Jeff Law <law@redhat.com>
12953 PR tree-optimization/21417
12954 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12955 across a backedge if the control statement at the end of the
12956 block is data dependent on other statements in the same block.
12957 (record_temporary_equivalences_from_stmts): Remove over-conservative
12958 test for threading across backedges.
12960 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12961 control statement, handle all three special cases in the same
12962 manner as they all have the same desired solution. No longer
12963 special case edge flag updating when the post dominator is
12966 2006-02-08 Roger Sayle <roger@eyesopen.com>
12968 * tree.def (CHAR_TYPE): Remove.
12969 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12970 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12971 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12972 (gen_string_type_die): Delete unreachable function.
12974 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12975 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12976 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12977 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12978 * builtins.c (type_to_class): Likewise.
12979 * fold-const.c (fold_convert, build_range_check,
12980 merge_ranges): Likewise.
12981 * expr.c (count_type_elements): Likewise.
12982 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12983 * stor-layout.c (layout_type): Likewise.
12984 * ipa-type-escape.c (type_to_consider): Likewise.
12985 * gimplify.c (omp_firstprivatize_type_sizes,
12986 gimplify_type_sizes): Likewise.
12987 * explow.c (promote_mode): Likewise.
12988 * tree-sra.c (is_sra_scalar_type): Likewise.
12989 * varasm.c (output_constant): Likewise.
12990 * tree-inline.c (remap_type_1): Likewise.
12991 * convert.c (convert_to_pointer, convert_to_real,
12992 convert_to_integer, convert_to_complex): Likewise.
12994 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12996 * df-scan.c (df_def_record_1): A set destination may
12997 be a parallel regardless of mode.
12999 2006-02-08 Roger Sayle <roger@eyesopen.com>
13002 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13003 * config/mips/_tilib.c: Remove.
13004 * config/fixtfdi.c: New libgcc source file.
13005 * config/fixunstfdi.c: New source file.
13006 * config/floatditf.c: New source file.
13007 * config/floatunditf.c: New souce file.
13008 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13009 files above instead of config/mips/_tilib.c.
13010 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13012 2006-02-08 Jeff Law <law@redhat.com>
13014 PR tree-optimization/26169
13015 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13018 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13020 * df.h (DF_REG_SIZE): Return the length of the initialized
13023 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13025 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13026 __muldf3): Return a correctly signed zero.
13028 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13030 * passes.c (register_one_dump_file): Accept the current properties
13031 instead of pass number. Adjust call to dump_register. Remove
13033 (register_dump_files): Now a wrapper around...
13034 (register_dump_files_1): ... this one. Do not modify the pass
13036 (next_pass_1): Cosmetic fix.
13037 (execute_todo): Keep second parameter only. Use curr_properties
13038 instead of fetching it from the pass structure. Check and set
13040 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13041 instead of fetching it from the pass structure. Fix calls to
13042 execute_todo. Update curr_properties and initialize .vcg RTL dump
13043 after running the pass. Reset last_verified.
13044 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13046 (FIRST_AUTO_NUMBERED_DUMP): New.
13047 (dump_register): Remove "num" parameter, assign it within the
13049 (get_dump_file_name): Modify template for dumps.
13050 * tree-dump.h (dump_register): Adjust prototype.
13051 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13052 (PROP_trees): Add PROP_gimple_lomp.
13053 (TODO_set_props): New.
13054 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13055 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13056 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13058 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13060 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13061 (sparc64-*-linux*): Likewise.
13062 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13063 * config/sparc/t-linux: New file.
13064 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13065 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13066 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13067 -m32 -mlong-double-128.
13069 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13070 * config/alpha/t-linux: New file.
13071 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13073 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13074 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13075 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13076 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13077 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13078 (CPP_ARCH32_SPEC): Remove.
13080 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13082 PR tree-optimization/26145
13083 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13086 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13089 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13090 >= 240000 when generating code for SOM runtime.
13091 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13092 to $$dyncall when generating code for SOM runtime..
13094 2006-02-07 Dirk Mueller <dmueller@suse.com>
13097 * doc/invoke.texi (-Wsequence-point): Update documentation
13098 that -Wsequence-point is implemented for C++ as well.
13100 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13102 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13103 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13104 (LIB_SPEC): Likewise.
13105 * doc/invoke.texi (SPARC options): Document -pthread.
13107 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13109 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13112 2006-02-07 Roger Sayle <roger@eyesopen.com>
13114 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13115 Correct comment describing BOOLEAN_TYPE.
13117 2006-02-07 Dirk Mueller <dmueller@suse.com>
13119 * c.opt: C++ frontend supports -Wdiv-by-zero.
13120 * c-opts.c (c_common_handle_option): Remove dead case.
13122 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13124 * configure.ac (TLS assembler check): Do not enable TLS by
13125 default on SPARC/Solaris before version 10.
13126 * configure: Regenerate.
13128 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13130 * doc/invoke.texi (xl-compat): Document conversion and support
13133 2006-02-07 Jeff Law <law@redhat.com>
13135 * tree-vrp.c (find_conditional_asserts): Update comments.
13136 (simplify_stmt_for_jump_threading): New.
13137 (identify_jump_threads, finalize_jump_threads): New.
13138 (vrp_finalize): Call identify_jump_threads.
13139 (execute_vrp): Call finalize_jump_threads.
13140 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13141 (vrp_element, vrp_data, vrp_element_p): Remove.
13142 (vrp_hash_elt, vrp_variables_stack): Remove.
13143 (vrp_hash, vrp_eq, record_range): Remove.
13144 (simplify_cond_and_lookup_avail_expr): Remove.
13145 (extract_range_from_cond): Remove.
13146 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13147 (simplify_stmt_for_jump_threading): New.
13148 (dom_thread_across_edge): New wrapper.
13149 (tree_ssa_dominator_optimize): No longer initialize or
13150 finalize any of the VRP datastructures. Remove iteration
13151 step and simplify as a result of removal of iteration step.
13152 (pass_dominator): Perform a cfg cleanup after DOM.
13153 (dom_opt_finalize_block): Use the new common routines
13154 for threading jumps. Simplify stack management slightly.
13155 No longer need to unwind VRP state.
13156 (record_equivalences_from_incoming_edge): No longer record
13158 (eliminate_redundant_computations): No longer call
13159 simplify_cond_and_lookup_avail_expr.
13160 * tree-flow.h (potentially_threadable_block): Prototype.
13161 (thread_across_edge): Likewise.
13162 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13163 (tree-ssa-threadedge.o): Add dependencies.
13164 * tree-ssa-threadedge.c: New file.
13165 * passes.c (init_optimization_passes): Merge PHIs before
13166 calling VRP. Run VRP again late in the SSA optimization pipeline.
13168 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13170 * df-core.c (df_set_blocks): Do not dereference function pointers.
13171 (df_finish1): Likewise.
13172 (df_hybrid_search_forward): Likewise.
13173 (df_hybrid_search_backward): Likewise.
13174 (df_iterative_dataflow): Likewise.
13175 (df_analyze_problem): Likewise.
13176 (df_compact_blocks): Likewise.
13177 (df_dump): Likewise.
13178 * df-scan.c (df_rescan_blocks): Likewise.
13179 (df_record_entry_block_defs): Likewise.
13181 * genconditions.c (write_conditions): Guard the definition of
13182 'insn_conditions' with the check on GCC version.
13183 (write_writer): Guard the traversal 'insn_conditions' with
13184 the check on GCC version.
13186 2006-02-07 Richard Guenther <rguenther@suse.de>
13190 2006-01-30 Richard Guenther <rguenther@suse.de>
13192 * gimplify.c (gimplify_target_expr): Handle easy cases
13193 without creating a temporary.
13195 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13197 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13198 use of float in probability computations. Use edge probabilities
13199 in place of statically computed probabilities.
13200 (min_spec_prob): New static variable.
13201 (schedule_insns): Initialize it.
13202 (GET_SRC_PROB): Removed.
13203 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13205 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13208 * config/ia64/unwind-ia64.c: Revert last change.
13209 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13210 (INCOMING_FRAME_SP_OFFSET): Define.
13212 2006-02-06 Roger Sayle <roger@eyesopen.com>
13214 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13216 2006-02-07 Ben Elliston <bje@au.ibm.com>
13218 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13219 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13220 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13221 (ix86_return_in_memory): Handle TDmode.
13222 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13223 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13225 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13227 * reorg.c (dbr_schedule): Use dump_file instead of file.
13229 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13232 * config/ia64/predicates.md (extr_len_operand): New predicate.
13233 * config/ia64/ia64.md (extv): Tighten constraints.
13235 (*tbit_and_2): Ditto.
13236 (*tbit_and_3): Ditto.
13237 (*tbit_or_2): Ditto.
13238 (*tbit_or_3): Ditto.
13239 (*bit_zero): Ditto.
13242 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13245 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13247 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13249 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13250 loop_optimizer_init and loop_optimizer_finalize
13251 * tree-ssa-sink.c (execute_sink_code): Ditto.
13252 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13253 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13254 tree_ssa_loop_done): Ditto.
13255 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13256 * sched-ebb.c: Include output.h.
13257 (schedule_ebbs): Do not use dump argument.
13258 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13259 * loop.c (loop_dump_stream): Removed.
13260 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13262 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13263 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13264 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13265 loop_iterations, strength_reduce, record_biv, record_giv,
13266 final_giv_value, check_final_value, check_ext_dependent_givs,
13267 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13268 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13269 dump_file instead of loop_dump_stream.
13270 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13271 argument dump_file.
13272 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13274 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13275 * haifa-sched.c: Include output.h
13276 (schedule_insns, sched_init): Do not use dump argument.
13277 * mode-switching.c (optimize_mode_switching): Ditto.
13278 * modulo-sched.c (stats_file): Removed.
13279 (print_node_sched_params): Do not call argument dump_file.
13280 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13281 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13283 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13285 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13286 rtl_loop_init, rtl_loop_done): Ditto.
13287 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13288 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13290 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13291 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13292 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13293 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13294 * emit-rtl.c (renumber_insns): Ditto.
13295 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13296 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13297 * regclass.c (regclass): Ditto.
13298 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13299 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13300 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13301 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13303 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13304 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13306 * gcse.c (gcse_file, debug_stderr): Removed.
13307 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13308 rest_of_handle_gcse): Do not use dump argument.
13309 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13310 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13311 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13312 compute_code_hoist_vbeinout, compute_code_hoist_data,
13313 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13314 compute_store_table, build_store_vectors, insert_insn_start_bb,
13315 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13316 store_motion): Use dump_file instead of gcse_file.
13317 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13318 * profile.c (profile_dump_file): Removed.
13319 (branch_prob): Use dump_file instead of profile_dump_file.
13320 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13322 * tree-ssa-copy.c (dump_copy_of): Ditto.
13323 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13324 dump file to life_analysis.
13325 * bt-load.c (branch_target_load_optimize): Ditto.
13326 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13328 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13329 regclass, dbr_schedule): Declaration changed.
13330 * sched-int.h (sched_init): Declaration changed.
13331 * tree-profile.c (tree_profile_dump_file): Removed.
13332 (tree_profile_hooks): Removed profile_dump_file hook.
13333 * rtl-profile (rtl_profile_dump_file): Removed.
13334 (rtl_profile_hooks): emoved profile_dump_file hook.
13335 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13337 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13338 * tree-cfg.c (build_tree_cfg): Ditto.
13339 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13340 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13341 Declaration changed.
13342 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13343 life_analysis and schedule_insns.
13344 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13346 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13348 * config/mips/mips.c (mips_reorg): Ditto.
13349 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13352 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13354 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13355 (s390_mangle_fundamental_type): New.
13356 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13359 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13360 (alpha_mangle_fundamental_type): New.
13361 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13364 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13366 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13368 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13369 (sparc_mangle_fundamental_type): New.
13371 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13373 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13374 (s390x-*-linux*): Likewise.
13375 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13376 * config/s390/t-linux: New file.
13378 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13380 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13381 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13383 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13385 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13386 (ANTIC_SAFE_LOADS): New macro.
13387 (find_or_generate_expression): Add prototype.
13388 (set_contains_value): Allow null set for sake of not always having
13389 to allocate ANTIC_SAFE_LOADS.
13390 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13391 Allow COMPONENT_REF too.
13392 (valid_in_set): Allow COMPONENT_REF.
13393 Check ANTIC_SAFE_LOADS too.
13394 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13395 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13397 (can_PRE_operation): Add COMPONENT_REF.
13398 (create_component_ref_by_pieces): New function.
13399 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13400 (insert_aux): Move AGGREGATE_TYPE_P check here.
13401 (compute_avail): Set bb local stmt uids.
13402 (pass_pre): Use TODO_update_ssa_only_virtuals.
13404 2006-02-06 Ben Elliston <bje@au.ibm.com>
13406 * configure.ac: Unconditionally disable decimal float by default.
13407 * configure: Regenerate.
13409 2006-02-06 Ben Elliston <bje@au.ibm.com>
13411 * read-rtl.c (read_name): Terminate reading on EOF.
13413 2006-02-06 Ben Elliston <bje@au.ibm.com>
13415 * dfp.c (decimal_real_arithmetic): Change second argument type
13416 from int to enum tree_code. Do not always return true, but now
13417 return result of any call to decimal_do helper functions.
13418 * dfp.h (decimal_real_arithmetic): Update prototype.
13420 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13422 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13424 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13427 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13430 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13432 * tree-vrp.c (cfg_loops): Removed.
13433 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13434 Use current_loops instead of cfg_loops. Pass flags to
13435 loop_optimizer_init.
13436 * cfgloopmanip.c (fix_loop_structure): Update only available
13438 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13439 loop_optimizer_init.
13440 * modulo-sched.c (build_loops_structure): Removed.
13441 (sms_schedule): Use loop_optimizer_init.
13442 * loop-init.c (loop_optimizer_init): Use flags to determine
13443 which properties of loops to prepare.
13444 (rtl_loop_init): Pass flags to loop_optimizer_init.
13445 * tree-ssa-sink.c (execute_sink_code): Ditto.
13446 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13447 * tree-ssa-pre.c (init_pre): Ditto.
13448 * cfgloop.h (LOOPS_NORMAL): New.
13449 (loop_optimizer_init): Declaration changed.
13451 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13453 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13454 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13456 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13458 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13460 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13461 * pa/t-pa64: Delete quadlib.c rule.
13462 * pa/x-ada: Revert last change.
13463 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13465 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13467 PR rtl-optimization/26087
13468 * rtlanal.c (canonicalize_condition): Do not cross basic block
13471 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13474 * config/ia64/ia64.c: Include debug.h.
13475 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13476 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13477 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13478 (process_epilogue, process_set, process_for_unwind_directive):
13479 Output unwind info only if requested. Add CFA info if requested.
13480 Add new arguments as needed. Adjust callers.
13481 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13483 (DWARF2_FRAME_INFO): Define to zero.
13484 * config/ia64/unwind-ia64.c: Remove code that compensated for
13485 the CFA offset error fixed above.
13486 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13487 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13488 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13489 -funwind-tables and -fexceptions to enable frame info.
13490 (dwarf2out_frame_init): Define initial CFA even if
13491 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13492 DWARF2_UNWIND_INFO is nonzero, not just defined.
13493 (dwarf2out_frame_finish): Output non-EH call frame info only
13494 if DWARF2_FRAME_INFO is nonzero.
13495 (convert_cfa_to_loc_list,
13496 compute_frame_pointer_to_cfa_displacement): Define even if
13497 unwind info is not supported.
13498 (gen_subprogram_die): Use the above unconditionally. Remove
13499 legacy alternate code.
13500 * toplev.c (compile_file): Compile in call to
13501 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13502 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13504 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13505 Jakub Jelinek <jakub@redhat.com>
13507 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13508 IBM extended float format long double as "g" on powerpc*-linux.
13510 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13513 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13514 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13516 2006-02-03 Jason Merrill <jason@redhat.com>
13519 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13521 PR middle-end/25977
13522 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13523 on the return slot if it's an NRV.
13525 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13527 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13528 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13529 rewrite_use): Do not handle USE_OUTER.
13530 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13531 add_iv_outer_candidates, may_replace_final_value,
13532 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13533 (find_interesting_uses_op): Functionality of
13534 find_interesting_uses_outer_or_nonlin moved here.
13535 (find_interesting_uses_outside): Use find_interesting_uses_op.
13537 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13540 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13542 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13543 Ulrich Weigand <uweigand@de.ibm.com>
13546 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13547 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13548 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13549 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13551 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13552 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13553 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13554 Define secondary reloads for TFmode moves.
13555 (constant_modes): Add TFmode.
13556 (NR_C_MODES): Set to 8.
13557 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13559 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13560 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13561 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13562 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13563 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13564 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13565 (FPR mode macro): Add TFmode.
13566 (DSF mode macro): New.
13567 (<de>, <dee> mode attributes): Removed.
13568 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13569 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13570 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13571 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13572 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13573 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13574 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13575 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13576 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13577 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13578 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13579 "*negabs<mode>2", "sqrt<mode>2"):
13580 Changed <de> to <xde>. R constraint replaced by <Rf>.
13581 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13583 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13584 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13585 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13587 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13588 "extenddftf2", "extendsftf2"): New expanders.
13589 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13590 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13591 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13592 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13594 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13595 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13596 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13597 __floatditf): Add a GCC_4.1.0 symbol version tag.
13598 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13601 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13604 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13605 Use targetm.binds_local_p instead of TREE_PUBLIC.
13607 2006-02-02 Roger Sayle <roger@eyesopen.com>
13609 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13610 on INTEGER_TYPEs to indicate that it denotes a character type.
13611 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13612 signed_char_type_node, unsigned_char_type_node and char_type_node.
13613 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13614 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13615 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13617 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13618 Daniel Berlin <dberlin@dberlin.org>
13620 * tree-tailcall.c (arg_needs_copy_p): New function.
13621 (eliminate_tail_call): Use arg_needs_copy_p.
13622 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13623 (add_virtual_phis): New function.
13625 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13627 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13628 #ignore instead of #scratch for %g7 .register directive.
13630 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13632 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13635 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13637 * flow.c (calculate_global_regs_live): Assert that there aren't any
13640 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13642 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13643 what its name says.
13644 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13645 bsi_after_labels iterator.
13646 * tree-if-conv.c (find_phi_replacement_condition,
13647 replace_phi_with_cond_modify_expr): Likewise.
13648 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13649 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13651 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13653 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13655 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13658 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13659 array after growing it.
13661 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13663 PR middle-end/24901
13664 * fold-const.c (fold_checksum_tree): Change type of buf.
13666 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13668 * reload.c (push_secondary_reload): Initialize t_icode.
13670 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13672 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13673 -msoft-float -mlong-double-128 only issue a warning, but don't
13674 swich to DFmode long double.
13676 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13678 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13679 has a constant equivalent, iterate over equivalents for arg0,
13680 calling simplify_relational_operation and if there's a result
13681 cheaper than X, apply fold_rtx and return the result.
13683 2006-02-01 Jan Hubicka <jh@suse.cz>
13685 * opts.c (no_unit_at_a_time_default): New global variable.
13686 (decode_options): Use it.
13687 * opts.h (no_unit_at_a_time_default): Declare.
13689 2006-02-01 Paul Brook <paul@codesourcery.com>
13691 * function.c (assign_parm_setup_reg): Use function argument promotion
13693 * expr.c (expand_expr_real_1): Use function argument promotion rules
13696 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13698 * gcc.c (process_command): Change j to 'unsigned int'.
13700 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13702 PR middle-end/26001
13703 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13704 Use the corrected index for the character
13705 out of the string constant.
13707 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13709 * mode-switching.c (optimize_mode_switching): Fix size
13710 allocated for bb_info[n_entities].
13712 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13714 * gcc.c (main): Correct type that is allocated for
13715 explicit_link_files.
13717 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13719 * config/s390/s390.c (init_alignment_context): Set
13720 ALIAS_SET_MEMORY_BARRIER on the MEM.
13721 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13723 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13725 PR middle-end/25933
13726 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13728 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13731 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13733 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13734 * regrename.c: Ditto.
13735 * tree-ssa-loop-im.c: Ditto.
13736 * tree-dump.c: Ditto.
13737 * tree-complex.c: Ditto.
13738 * genrecog.c: Ditto.
13739 * tree-ssa-threadupdate.c: Ditto.
13741 * java/class.c: Ditto.
13742 * java/jcf-parse.c: Ditto.
13743 * java/resource.c: Ditto.
13744 * java/except.c: Ditto.
13745 * java/jvspec.c: Ditto.
13746 * java/jcf-write.c: Ditto.
13747 * java/jcf-path.c: Ditto.
13748 * java/gjavah.c: Ditto.
13749 * java/zextract.c: Ditto.
13750 * java/jcf-io.c: Ditto.
13751 * java/jcf.h: Ditto.
13752 * java/buffer.c: Ditto.
13753 * java/lang.c: Ditto.
13754 * java/parse-scan.y: Ditto.
13755 * java/lex.c: Ditto.
13756 * java/lex.h: Ditto.
13757 * cfgloopmanip.c: Ditto.
13758 * postreload-gcse.c: Ditto.
13759 * tree-ssa-loop-manip.c: Ditto.
13760 * postreload.c: Ditto.
13761 * tree-ssa-loop-ch.c: Ditto.
13764 * cppspec.c: Ditto.
13765 * diagnostic.c: Ditto.
13767 * genoutput.c: Ditto.
13769 * cfghooks.c: Ditto.
13770 * cfgloopanal.c: Ditto.
13771 * objc/objc-act.c: Ditto.
13773 * genextract.c: Ditto.
13774 * genautomata.c: Ditto.
13775 * pretty-print.c: Ditto.
13776 * genemit.c: Ditto.
13777 * cgraphunit.c: Ditto.
13779 * df-scan.c: Ditto.
13780 * haifa-sched.c: Ditto.
13781 * dominance.c: Ditto.
13783 * tree-ssa-loop-ivopts.c: Ditto.
13784 * df-core.c: Ditto.
13785 * mode-switching.c: Ditto.
13786 * modulo-sched.c: Ditto.
13788 * ipa-pure-const.c: Ditto.
13790 * fix-header.c: Ditto.
13792 * tree-stdarg.c: Ditto.
13793 * ipa-utils.c: Ditto.
13794 * loop-init.c: Ditto.
13795 * ipa-inline.c: Ditto.
13796 * cfganal.c: Ditto.
13798 * alloc-pool.c: Ditto.
13799 * dwarf2out.c: Ditto.
13801 * genattrtab.c: Ditto.
13802 * tree-ssa-loop-ivcanon.c: Ditto.
13803 * predict.c: Ditto.
13804 * timevar.c: Ditto.
13806 * fortran/gfortranspec.c: Ditto.
13807 * regmove.c: Ditto.
13808 * local-alloc.c: Ditto.
13809 * langhooks.c: Ditto.
13810 * function.c: Ditto.
13811 * tree-vectorizer.c: Ditto.
13813 * ipa-type-escape.c: Ditto.
13815 * tree-if-conv.c: Ditto.
13816 * profile.c: Ditto.
13818 * tree-data-ref.c: Ditto.
13819 * loop-unroll.c: Ditto.
13820 * treelang/treetree.c: Ditto.
13822 * bt-load.c: Ditto.
13823 * ggc-common.c: Ditto.
13825 * coverage.c: Ditto.
13827 * tree-cfgcleanup.c: Ditto.
13828 * tree-ssa-pre.c: Ditto.
13829 * cfgcleanup.c: Ditto.
13830 * loop-invariant.c: Ditto.
13831 * loop-iv.c: Ditto.
13832 * ipa-prop.c: Ditto.
13833 * print-tree.c: Ditto.
13834 * conflict.c: Ditto.
13835 * ggc-page.c: Ditto.
13836 * sched-deps.c: Ditto.
13837 * regclass.c: Ditto.
13838 * tree-object-size.c: Ditto.
13839 * combine.c: Ditto.
13840 * bb-reorder.c: Ditto.
13841 * resource.c: Ditto.
13842 * var-tracking.c: Ditto.
13843 * cfgloop.c: Ditto.
13844 * df-problems.c: Ditto.
13845 * reg-stack.c: Ditto.
13847 * gccspec.c: Ditto.
13848 * sched-rgn.c: Ditto.
13849 * tree-ssa-structalias.c: Ditto.
13850 * tree-ssa-reassoc.c: Ditto.
13851 * config/darwin-c.c: Ditto.
13852 * config/darwin.c: Ditto.
13853 * config/arm/arm.c: Ditto.
13855 * collect2.c: Ditto.
13856 * reload1.c: Ditto.
13858 2006-01-31 Nicolas Pitre <nico@cam.org>
13860 * arm.md (smaxsi3): Make aware of smax_m1.
13863 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13865 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13867 2006-01-31 Richard Guenther <rguenther@suse.de>
13869 * doc/invoke.texi (-msselibm): Document.
13870 * target.h (expand_library_builtin): New target hook.
13871 * builtins.c (expand_builtin): Use expand_library_builtin.
13872 (default_expand_library_builtin): New function.
13873 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13874 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13875 (link_gcc_math_spec): Declare.
13876 (static_specs): Add link_gcc_math_spec.
13877 * expr.h (default_expand_library_builtin): Declare.
13878 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13879 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13880 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13881 * config/i386/i386.opt (msselibm): New target option.
13882 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13883 (ix86_init_sse_abi_builtins): New function.
13884 (ix86_expand_library_builtin): Likewise.
13885 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13886 (override_options): Handle error conditions wrt -msselibm.
13887 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13888 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13889 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13892 2006-01-31 Richard Guenther <rguenther@suse.de>
13893 Paolo Bonzini <bonzini@gnu.org>
13895 * doc/install.texi (--disable-libgcc-math): Document.
13897 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13899 * expr.h (expand_normal): new inline function.
13900 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13901 * dojump.c: use it.
13902 * dwarf2out.c: use it.
13905 * expmed.c: use it.
13906 * except.c: use it.
13907 * config/sparc/sparc.c: use it.
13908 * config/i386/i386.c: use it.
13909 * config/rs6000/rs6000.c: use it.
13910 * config/arm/arm.c: use it.
13911 * config/mips/mips.c: use it.
13912 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13914 2006-01-30 Roger Sayle <roger@eyesopen.com>
13916 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13917 argv to the appropriate type.
13919 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13921 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13924 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13927 * config/s390/s390.c (struct machine_function): New flag
13928 decomposed_literal_pool_addresses_ok_p.
13929 (s390_reorg): Set it before final stage of literal pool transforms.
13930 (s390_decompose_address): Only accept displacements of the form
13931 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13933 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13935 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13936 the comparison routine return.
13938 2006-01-30 Michael Matz <matz@suse.de>
13940 * global.c (find_reg): Only evict for global regs.
13941 Take n_refs into account and dump more info.
13943 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13946 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13947 (pragma_trap, pragma_nosave_low_regs): Likewise.
13948 (current_function_anonymous_args): Likewise.
13949 (sh_deferred_function_attributes): New variable.
13950 (sh_deferred_function_attributes_tail): Likewise.
13951 (print_operand): For '@', look up trap_exit attribute.
13952 (calc_live_regs): Look up trapa_handler attribute. For trapa
13953 handlers, save/restore fpscr, but don't do any other
13954 interrupt-specific saves.
13955 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13956 Fix check for partially saved registers to check for SHmedia.
13957 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13958 (sh_output_function_epilogue): Don't clear any of the removed
13960 (sh_insert_attributes): Don't check pragma_interrupt.
13961 Insert deferred attributes. Check that interrupt attribute is
13962 present for other attributes that require its presence.
13963 (sh_attribute_table): Add new attributes trapa_handler and
13965 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13966 Don't check for pragma_interrupt. Don't store argument.
13967 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13968 (sh_deferred_function_attributes): Declare.
13969 (sh_deferred_function_attributes_tail): Likewise.
13970 * sh.md (sp_switch_1): Add operand. Change generator caller.
13971 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13972 (*return_i): Don't use when trap_exit attribute is in effect.
13973 (*return_trapa): New insn pattern.
13974 * sh-c.c: New file.
13975 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13976 setting c_target_objs and cxx_target_objs.
13977 * t-sh: Add rule for sh-c.o.
13979 2006-01-30 Richard Guenther <rguenther@suse.de>
13982 * gimplify.c (gimplify_target_expr): Handle easy cases
13983 without creating a temporary.
13985 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13987 * vec.h (safe_grow): Remove duplicated line.
13989 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13992 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13993 (expand_omp): ... here.
13994 (expand_omp_parallel): Only remove barriers for combined
13995 parallel+workshare constructs.
13997 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14001 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14002 * tree.c (build_qualified_type): Chain the new type to the original
14003 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14004 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14005 (build_pointer_type_for_mode): Only return unqualified types.
14006 (build_reference_type_for_mode): Likewise.
14008 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14010 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14011 * Makefile.in (CXX_COMPAT_WARN): Define.
14012 * configure: Regenerate.
14014 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14017 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14020 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14022 * toplev.c: Fix thinko.
14024 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14025 Marcin Dalecki <martin@dalecki.de>
14027 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14028 (push_srcloc): Use XNEW.
14029 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14031 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14033 * df-core.c (df_set_blocks): Deleted all variable.
14035 2006-01-28 Ian Lance Taylor <ian@airs.com>
14037 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14038 cgraph_output_pending_asms.
14040 2006-01-28 Zack Weinberg <zackw@panix.com>
14042 * c.opt: Add -W(no-)overlength-strings.
14043 * doc/invoke.texi: Document it.
14044 * c-opts.c (c_common_handle_option): -pedantic implies
14045 -Woverlength-strings, if not explicitly disabled already.
14046 (c_common_post_options): -Woverlength-strings defaults to off, and
14047 is always off for C++.
14048 * c-common.c (fix_string_type): Issue warning about strings longer
14049 than is portable only if warn_overlength_strings. Rearrange code
14050 a little for clarity.
14051 * configure.in: Check for -Wno-overlength-strings as well before
14052 enabling -pedantic in stage 1.
14053 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14054 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14056 * genconditions.c (write_header, write_one_condition)
14057 (write_conditions, write_writer): Consolidate very long strings
14058 that were broken up to fit in C89 portable limit. Don't use
14059 printf when fputs will do.
14061 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14063 * combine.c (simplify_comparison <AND>): Check
14064 TRULY_NOOP_TRUNCATION before start using a subreg.
14066 * config/mips/mips.md (*branch_zero<mode>,
14067 *branch_zero<mode>_inverted, *branch_equality<mode>,
14068 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14069 Remove mode check from comparisons.
14071 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14073 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14075 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14077 * expmed.c (const_mult_add_overflow_p): Remove.
14078 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14080 * recog.c (validate_replace_rtx_subexp): Remove.
14081 * recog.h: Remove the prototype for
14082 validate_replace_rtx_subexp.
14084 * integrate.h: Remove the prototype for
14085 copy_decl_for_inlining.
14086 * rtl.h: Remove the prototype for mark_constant_function.
14087 * tree-vectorizer.h: Remove the prototype for
14088 vect_strip_conversion.
14090 * modulo-sched.c (create_partial_schedule,
14091 free_partial_schedule, reset_partial_schedule): Make them
14094 * hooks.c (hook_bool_rtx_int_false): Remove.
14095 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14097 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14099 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14100 and -mlong-double-128 are incompatible.
14101 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14102 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14103 (TARGET_LIBGCC2_CFLAGS): Define.
14104 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14105 (TARGET_LIBGCC2_CFLAGS): Same.
14106 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14108 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14111 * c-typeck.c (build_binary_op): Perform implicit casts of
14112 operands before shortening them.
14114 * cfgloopmanip.c (split_loop_bb): Remove.
14115 * cfgloop.h: Remove the prototype for split_loop_bb.
14117 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14118 * cfgloop.h: Remove the prototype for
14119 flow_loop_outside_edge_p.
14121 * emit-rtl.c (init_virtual_regs): Make it static.
14122 * function.h: Remove the prototype for init_virtual_regs.
14124 * recog.c (peephole2_optimize): Make it static.
14125 * recog.h: Remove the prototype for peephole2_optimize.
14127 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14129 * df-scan.c (df_record_entry_block_defs): Check if
14130 INCOMING_RETURN_ADDR_RTX is defined.
14132 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14133 Kenneth Zadeck <zadeck@naturalbridge.com>
14135 PR rtl-optimization/24762
14136 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14137 * targhooks.c (hook_void_bitmap): New hook prototype.
14138 * targhoohs.h (hook_void_bitmap): Ditto.
14139 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14140 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14141 * target.h (live_on_entry): New function pointer.
14142 * df-scan.c (df_all_hard_regs): Removed.
14143 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14144 (df_scan_free_internal): Added df->entry_block_defs.
14145 (df_scan_alloc): Ditto.
14146 (df_scan_dump): Ditto.
14147 (df_uses_record): Plumbed flag field properly thru calls.
14148 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14149 This part fixes PR24762.
14150 (df_bb_refs_record): Added code to make the frame and arg
14151 pointers live in EH blocks.
14152 (df_refs_record): Added call to df_record_entry_block_defs.
14153 (df_record_entry_block_defs): New function.
14154 * df-core.c: Added comments to describe new artifical defs.
14155 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14156 (entry_block_defs): New field in struct df.
14157 (df_all_hard_regs): Deleted.
14158 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14159 * df-problems.c (df_ru_bb_local_compute_process_def):
14160 Added code to handle artifical defs in the entry to a function.
14161 (df_ru_bb_local_compute): Ditto.
14162 (df_rd_bb_local_compute_process_def): Ditto.
14163 (df_rd_bb_local_compute): Ditto.
14164 (df_lr_bb_local_compute): Ditto.
14165 (df_ur_bb_local_compute): Ditto.
14166 (df_urec_bb_local_compute): Ditto.
14167 (df_chain_create_bb): Ditto.
14168 (df_ur_local_finalize): Removed entry.
14169 (df_urec_init): Ditto.
14170 (df_urec_local_finalize): Ditto.
14171 (df_ri_bb_compute): Added detection of last use of pseudos.
14172 * Makefile.in (df-scan.o): Updated dependencies.
14173 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14174 * config/mips/mips.c (mips_set_live_on_entry): Added.
14175 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14177 * dce.c (marked_insn_p): Added code to handle artifical defs.
14179 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14181 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14183 (_mm_cvtsi128_si64): Likewise.
14184 (_mm_cvtsd_si64): Likewise.
14185 (_mm_cvttsd_si64): Likewise.
14186 (_mm_cvtsi64_sd): Likewise.
14187 (_mm_cvtsi64_si128): Likewise.
14188 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14189 (_mm_cvtsi64_m64): Likewise.
14190 (_m_to_int64): Likewise.
14191 (_mm_cvtm64_si64): Likewise.
14192 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14193 (_mm_cvttss_si64): Likewise.
14194 (_mm_cvtsi64_ss): Likewise.
14195 (_mm_cvtss_f32): Likewise.
14197 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14199 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14200 for pragma redefine_extname.
14202 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14205 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14206 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14207 -mno-minimal-toc to previous content.
14208 (bispecs): Remove goal.
14209 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14210 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14211 compatibility aliases on powerpc-*-*gnu*.
14212 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14213 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14214 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14215 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14216 (ldblspecs): New goal.
14217 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14218 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14220 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14221 L_sf_to_tf or L_df_to_tf is defined.
14223 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14224 Alan Modra <amodra@bigpond.net.au>
14227 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14228 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14229 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14230 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14231 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14232 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14233 (rs6000_override_options): Initialize rs6000_ieeequad.
14234 Initialize TFmode format to ibm_extended_format if not
14236 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14238 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14239 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14240 (function_arg_advance): IBM long double passed in two FPRs, not
14242 (function_arg): IBM long double passed in FPRs.
14243 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14244 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14245 Only multireg GPR aligned.
14246 (rs6000_init_libfuncs): Enable IBM long double functions if not
14248 (rs6000_generate_compare): Use IBM long double compare if not
14250 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14251 (TARGET_IEEEQUAD): Define.
14252 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14253 not TARGET_IEEEQUAD.
14254 * config/rs6000/rs6000.md: Enable TFmode patterns if
14256 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14257 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14258 and -mlong-double-128 are incompatible.
14259 * doc/invoke.texi (-mabi): Collect options together. Add
14260 ibmlongdouble and ieeelongdouble.
14262 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14264 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14266 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14267 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14268 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14269 * rtl.h (rtunion_def): Remove rt_ptr.
14271 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14272 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14273 * config/i386/winnt.c (i386_pe_mark_dllexport)
14274 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14276 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14278 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14280 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14284 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14285 pthread_key_delete. From John David Anglin. gthrw-ify
14286 pthread_getunique_np only if it it's not a macro. Delete
14288 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14289 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14290 __gthread_objc_condition_signal, __gthread_key_delete): Add
14291 "__attribute__ ((__unused__))" to unused arguments.
14292 (__gthread_recursive_mutex_init_function): Add missing return.
14293 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14294 gthr-posix95.h: Use macro-based approach for name redirection
14295 on targets missing weakref.
14297 2006-01-26 Zack Weinberg <zackw@panix.com>
14299 * genconditions.c (write_header): In generated code, #ifdef out
14300 all includes and fake declarations, except includes of bconfig.h
14301 and system.h, unless GCC_VERSION >= 3001. Do not include
14302 gensupport.h in any case.
14303 (write_conditions): Generate a definition of struct c_test. Add
14304 a comment to the generated #endif.
14305 (write_one_condition): Escape backslashes in string too.
14306 (write_writer): Generated code must escape backslashes and quote
14307 marks (but not newlines) in the strings it writes.
14308 * Makefile.in (build/gencondmd.o): Update dependencies.
14310 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14313 * Makefile.in (insn-automata.o): Add header file dependencies.
14314 * genautomata.c: Add includes.
14316 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14319 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14321 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14323 * configure.ac: Expect target tools paths to be passed from the toplevel
14324 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14326 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14328 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14331 * c.opt (Wpointer-sign): Init to -1.
14332 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14333 OPT_pedantic, to 0 otherwise.
14334 * doc/invoke.texi: Update.
14336 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14338 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14339 constants provided by 80387 instructions in the destination mode.
14341 2006-01-26 Richard Guenther <rguenther@suse.de>
14342 Andrew Pinski <pinskia@physics.uc.edu>
14345 partial PR tree-opt/17064
14346 * tree-ssa-structalias.c (intra_create_variable_infos):
14347 Create heap variables for incoming parameters if
14348 flag_argument_noalias > 1.
14349 (find_what_p_points_to): Look through default defs of
14352 2006-01-26 Jeff Law <law@redhat.com>
14355 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14356 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14357 within the VR_RANGE, use the VR_RANGE as the result, not the
14359 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14360 bounds for the type.
14362 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14364 * tree-ssa-alias.c (maybe_create_global_var): Change
14365 subvar walking to an assertion that we don't have subvar'd variables.
14367 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14370 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14371 Use a new variable, inner. PARM_DECLs are always non-weak.
14373 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14375 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14376 --disable-checking.
14378 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14380 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14382 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14384 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14385 (smax_insn, smin_insn, smax_0, smin_0): New.
14387 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14390 * config/cris/cris.c (cris_order_for_addsi3): New function.
14391 * config/cris/cris-protos.h: Prototype it.
14392 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14393 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14394 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14395 (split for "op.S1 [rx=rx+i],ry (swapped)")
14396 (split for "op(s|u).S1 [rx=rx+i],ry")
14397 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14398 Apply cris_order_for_addsi3 when generating addsi3 insns.
14400 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14402 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14403 (TREE_BLOCK): Add call to EXPR_CHECK.
14405 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14408 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14409 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14410 (dump_omp_clauses): ... here.
14411 (dump_generic_node): Handle OMP_CLAUSE.
14412 * tree.c (omp_clause_num_ops): New.
14413 (omp_clause_code_name): New.
14414 (tree_code_size): Handle OMP_CLAUSE.
14415 (tree_size): Likewise.
14416 (make_node): Document handling of OMP_CLAUSE.
14417 (tree_node_structure): Handle OMP_CLAUSE.
14418 (omp_clause_check_failed): New.
14419 (omp_clause_range_check_failed): New.
14420 (omp_clause_operand_check_failed): New.
14421 (build_omp_clause): New.
14422 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14423 * tree.h (enum omp_clause_code): Declare.
14424 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14425 (OMP_CLAUSE_RANGE_CHECK): Define.
14426 (OMP_CLAUSE_ELT_CHECK): Define.
14427 (omp_clause_check_failed): Declare.
14428 (omp_clause_operand_check_failed): Declare.
14429 (omp_clause_range_check_failed): Declare.
14430 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14431 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14432 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14433 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14434 (OMP_CLAUSE_IF_EXPR): Likewise.
14435 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14436 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14437 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14438 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14439 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14440 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14441 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14442 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14443 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14444 (OMP_CLAUSE_CODE): Define.
14445 (OMP_CLAUSE_SET_CODE): Define.
14446 (OMP_CLAUSE_CODE): Define.
14447 (OMP_CLAUSE_OPERAND): Define.
14448 (struct tree_omp_clause): Declare.
14449 (union tree_node): Add field 'omp_clause'.
14450 * treestruct.def (TS_OMP_CLAUSE): Define.
14451 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14452 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14453 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14454 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14455 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14456 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14457 (OMP_CLAUSE): Define.
14458 * print-tree.c (print_node): Handle OMP_CLAUSE.
14459 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14460 * c-typeck.c: Likewise.
14461 * gimplify.c: Likewise.
14462 * c-omp.c: Likewise.
14463 * tree-nested.c: Likewise.
14464 * tree-inline.c: Likewise.
14465 * c-parser.c: Likewise.
14466 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14469 2006-01-25 Roger Sayle <roger@eyesopen.com>
14471 PR rtl-optimization/25703
14472 * combine.c (try_combine): Handle zero_extract and strict_low_part
14473 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14475 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14477 * global.c: Fix comment typos.
14479 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14482 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14483 Use output_addr_const instead of assemble_name.
14485 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14487 * Makefile.in (sched-vis.o): Update dependencies.
14488 * haifa-sched.c (sched_finish): Clear current_sched_info.
14489 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14490 (dump_flow_info): Call it.
14491 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14493 * basic-block.h (dump_bb_info): Declare.
14494 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14495 option, and apply options only for dump files whose TDF_RTL,
14496 TDF_TREE, or TDF_IPA bits match.
14497 * rtl.h: Declare new functions exported from sched-vis.c.
14498 * sched-vis.c: Enable also if scheduling is not used.
14499 (print_value): Print the mode of registers if not inside scheduling.
14500 (print_insn): Make it work outside the scheduler. Beautify the output
14502 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14504 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14506 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14507 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14508 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14509 depending on the value of CONSTANT_POOL_ADDRESS_P.
14510 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14512 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14513 rather than SYMBOL_REF_DECL.
14514 (rtx_constant_pool): Remove const_rtx_sym_htab.
14515 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14516 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14517 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14518 Remove handling of const_rtx_sym_htab.
14519 (find_pool_constant): Delete.
14520 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14521 rather than find_pool_constant.
14522 (get_pool_constant_for_function): Delete.
14523 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14524 find_pool_constant.
14525 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14526 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14527 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14528 (SYMBOL_REF_CONSTANT): New macro.
14529 (get_pool_constant_for_function): Delete.
14530 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14531 rather than SYMBOL_REF_DECL.
14532 (i386_pe_mark_dllimport): Likewise.
14533 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14534 rather than SYMBOL_REF_DECL.
14535 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14536 (machopic_indirect_call_target): Likewise.
14538 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14540 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14542 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14544 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14546 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14548 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14550 2006-01-24 David Daney <ddaney@avtrex.com>
14553 * configure.ac (enable_tls): New enable option.
14554 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14555 * configure: Regenerate.
14556 * doc/install.texi (--enable-tls): Document new option.
14557 (--disable-tls): Ditto.
14559 2006-01-24 Richard Henderson <rth@redehat.com>
14561 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14562 * alias.c (true_dependence): Respect it.
14563 (canon_true_dependence, write_dependence_p): Likewise.
14564 * builtins.c (get_builtin_sync_mem): Set it.
14566 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14568 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14571 2006-01-24 DJ Delorie <dj@redhat.com>
14573 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14574 for storing constants in single-bit bitfields.
14576 2006-01-25 Ben Elliston <bje@au.ibm.com>
14578 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14580 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14583 * tree-ssa-pre.c (phi_translate): Return NULL
14584 for AGGREGATE_TYPE's.
14586 2006-01-24 Zack Weinberg <zackw@panix.com>
14588 * genautomata.c (process_state_for_insn_equiv_partition):
14589 Use xcalloc for insn_arcs_array.
14590 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14591 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14593 2006-01-24 Richard Henderson <rth@redhat.com>
14595 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14596 update all callers.
14598 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14600 PR rtl-optimization/25890
14601 PR rtl-optimization/25905
14602 * combine.c (expand_compound_operation, expand_field_assignment):
14603 Fail if the bitfield's final position is out of bounds.
14605 2006-01-24 Ian Lance Taylor <ian@airs.com>
14607 PR middle-end/25930
14608 * cgraphunit.c (cgraph_output_in_order): Don't clear
14609 cgraph_asm_nodes until after asm strings have been output.
14611 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14613 * fix-header.c (read_scan_file): Add new parameter imultilib when
14614 calling register_include_chains.
14616 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14618 * omp-low.c: Update documentation.
14620 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14621 Daniel Berlin <dberlin@dberlin.org>
14625 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14626 return from the function.
14628 2006-01-22 Zack Weinberg <zackw@panix.com>
14630 * rtl.def (match_code): Add second argument.
14631 * genpreds.c (write_extract_subexp): New function.
14632 (write_match_code): Add path argument. Use write_extract_subexp.
14633 (write_predicate_expr): Pass path to write_match_code.
14634 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14635 not perform a mode test.
14636 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14637 a subexpression does not constrain the top-level code set.
14638 * read-rtl.c (read_rtx_variadic): New function.
14639 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14640 * doc/md.texi: Document new notation.
14641 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14642 (cmpsi_operand): ... here, using new notation.
14644 2006-01-22 Zack Weinberg <zackw@panix.com>
14646 * varray.c: Remove GENERATOR_FILE #ifdefs.
14648 2006-01-22 Zack Weinberg <zackw@panix.com>
14650 * genautomata.c (output_reserved_units_table): Emit nothing if
14651 description->query_units_num is zero. Remove extra blank line.
14652 (output_cpu_unit_reservation_p): Short circuit
14653 if description->query_units_num is zero.
14655 2006-01-22 Zack Weinberg <zackw@panix.com>
14657 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14658 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14659 nor any of the random handful of variables that used to be necessary
14660 when this program was linked with rtlanal.o. Prune set of forward
14661 function declarations.
14662 (struct attr_desc): Remove static_p field.
14663 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14664 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14665 (attr_string): Do not read the character one past the length of
14667 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14668 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14669 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14670 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14671 (make_automaton_attrs): New.
14672 (main): Do not call into genautomata. Call local gen_bypass
14673 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14674 Remove special case for insn_alts.
14675 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14676 varray.h (leftover from previous change). Prune set of forward
14677 function declarations. Remove state_alts fields from all
14678 structures. Remove state_alts_table from struct automaton.
14679 Make everything except main static. Do not maintain num_dfa_decls.
14680 Do not maintain state_alts fields of various structures.
14681 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14682 (add_arc): Remove state_alts argument. All callers updated.
14683 (output_reserved_units_table): Emit #ifdef here...
14684 (output_tables): ...not here. Don't generate state_alts tables.
14685 (expand_automata): Don't generate attributes.
14686 (write_automata): Don't generate state_alts functions.
14687 (main): New function.
14688 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14689 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14690 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14691 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14692 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14693 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14694 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14695 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14697 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14698 * genattrtab.h: Delete file.
14699 * Makefile.in (OBJS-common): Add insn-automata.o.
14700 (insn-automata.o): New rule.
14701 (simple_generated_c): Add insn-automata.c.
14702 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14703 (genprogmd): Add automata.
14704 (build/genattrtab): Needs no extra objects nor libraries.
14705 (build/genautomata): Needs build/vec.o and -lm.
14707 2006-01-22 Zack Weinberg <zackw@panix.com>
14709 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14710 (output_dfa_max_issue_rate, locked_states_num): Delete.
14711 (struct automaton): Add locked_states field.
14712 (output_dead_lock_vect): Save number of locked states in
14713 automaton->locked_states. If it is zero, don't print anything.
14714 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14715 (output_internal_dead_lock_func): Only test the dead_lock_vect
14716 for automata that have locked states.
14717 (output_statistics): Always print the number of locked states for
14718 each automaton. Calculate total number of locked states here.
14719 (write_automata): Don't call output_dfa_max_issue_rate.
14720 * genattrtab.c: Define length_unit_log as a const variable.
14721 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14722 max_insn_queue_index const.
14723 * final.c (length_unit_log): Declare const.
14724 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14726 2006-01-22 Zack Weinberg <zackw@panix.com>
14728 * genautomata.c: Include vec.h, not varray.h.
14729 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14730 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14731 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14732 VEC_* macros operating on appropriately typed vectors, or to
14733 malloced arrays when the size is known in advance. Const-ify
14734 many char* variables and function arguments. No functional changes.
14735 * Makefile.in (build/varray.o): Delete rule.
14736 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14737 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14739 2006-01-22 Zack Weinberg <zackw@panix.com>
14741 * gensupport.c: Define get_insn_name and record_insn_name here.
14742 (read_md_rtx): Call record_insn_name as appropriate.
14743 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14744 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14745 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14747 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14748 (BUILD_VARRAY): Delete.
14749 (genprognormal): Rename genprogmd. Fold in all programs from
14750 genprognoprint; also attrtab.
14751 (build/genattrtab): Just mention genautomata.o and varray.o.
14752 Reorganize a bit, add comments to make the categories clearer.
14754 2006-01-22 Zack Weinberg <zackw@panix.com>
14756 * genconditions.c (condition_table, add_condition): Delete.
14757 (write_conditions): Don't emit n_insn_conditions nor
14758 insn_elision_unavailable. Issue the gcc version #ifdef here,
14759 inside the table, with no #else clause ...
14760 (write_header): ...not here.
14761 (write_writer): New function.
14762 (main): Don't initialize condition_table. Use add_c_test.
14764 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14765 files on the command line.
14766 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14767 Return -1 if there is no entry in the table, don't abort.
14768 (add_c_test, traverse_c_tests): New functions.
14769 * gensupport.h (insn_elision_unavailable, insn_conditions)
14770 (n_insn_conditions): Delete declarations.
14771 (add_c_test, traverse_c_tests): Declare.
14772 * read-rtl.c: Include gensupport.h.
14773 (read_conditions): New function.
14774 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14775 (read_rtx_1): If we get EOF when we were looking for an initial
14776 open paren, return 0. Call read_conditions when appropriate.
14777 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14778 dummy-conditions.o. Eliminate references to insn-conditions.o,
14779 or change them to build/gencondmd.o, as appropriate. Remove
14780 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14781 from $(simple_generated_c). For all files remaining in those
14782 two lists, add insn-conditions.md to the generator command line.
14783 Give insn-constants.h/s-constants their own rules. Add rules
14784 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14785 (build/read-rtl.o): Depend on gensupport.h.
14786 (genprognormal): Include preds.
14787 (genprogearly): Rename genprognoprint; only difference is now that
14788 they don't link with $(BUILD_PRINT).
14789 * dummy-conditions.c: Delete.
14791 2006-01-22 Zack Weinberg <zackw@panix.com>
14793 * genextract.c: Don't include insn-config.h. Do include vec.h.
14794 Declare vectors of int, char, and locstr.
14795 (locstr): New typedef.
14796 (struct extraction): Make all array fields into bare pointers.
14797 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14798 (insn_code_number): Delete.
14799 (accum_extract): New struct.
14800 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14801 (gen_insn): Take insn_code_number as an argument. Use an
14802 accum_extract structure instead of loading data directly into
14803 a struct extraction, and having to know how big it might get.
14804 (walk_rtx): Operate entirely on an accum_extract structure.
14805 (print_path): Avoid unnecessary use of printf.
14806 (print_header): New function, split out of main. Distinguish
14807 more carefully between an unrecognizable insn and an insn that
14808 has the code number of a define_expand.
14809 (main): Pass insn_code_number to gen_insn. Call print_header
14810 only after parsing. Avoid unnecessary use of printf.
14811 * Makefile.in (build/vec.o): New rule.
14812 (build/genextract): Depend on build/vec.o.
14813 (build/genextract.o): Don't depend on insn-config.h.
14815 2006-01-22 Zack Weinberg <zackw@panix.com>
14817 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14818 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14819 practical. Eliminate per-generator-program link rules.
14821 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14823 PR middle-end/24437
14824 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14825 with a call expr to ...
14826 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14828 2006-01-23 Richard Guenther <rguenther@suse.de>
14830 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14831 before make_edge with conditional EDGE_TRUE_VALUE.
14833 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14834 Jan Hubicka <jh@suse.cz>
14835 Richard Guenther <rguenther@suse.de>
14837 PR rtl-optimization/25654
14838 * cfgexpand.c (aggregate_contains_union_type): New function.
14839 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14840 for structure variables that contain a union type.
14842 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14844 * gengtype.c (new_structure): Return the structure.
14845 (create_option): Add an extra "next" argument.
14846 (create_field): New function.
14847 (adjust_field_rtx_def): Use create_option and create_field.
14848 Remove a now-unnecessary call to find_structure.
14849 (adjust_field_tree_def): Likewise.
14850 (note_yacc_type): Remove an unnecessary call to find_structure.
14851 * gengtype.h (new_structure): Return the structure.
14852 (create_option): Add an extra argument.
14853 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14854 (option): Adjust calls to create_option.
14856 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14858 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14860 2006-01-22 Paul Brook <paul@codesourcery.com>
14861 Peter Barada <peter@the-baradas.com>
14863 * config/m68k/m68k.md: Add Coldfire FPU support.
14864 Define FP mode macro and associated attributes.
14865 Use it for float mode patterns.
14866 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14867 (LIBCALL_VALUE): Use m68k_libcall_value.
14868 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14869 (m68k_function_value): Ditto.
14870 (emit_move_sequence): Ditto.
14871 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14872 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14873 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14874 (MULTILIB_EXCEPTIONS): Ditto.
14875 * config/m68k/m68k.opt: Add mcfv4e.
14876 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14877 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14878 (m68k_output_function_prologue): Save ColdFire FPU registers.
14879 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14880 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14881 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14882 ColdFire FPU registers.
14883 (m68k_libcall_value, m68k_function_value): New functions.
14884 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14885 (LIBCALL_VALUE): Use m68k_libcall_value.
14886 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14887 (MASK_COLDFIRE): Add MASK_CFV4E.
14888 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14889 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14890 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14891 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14892 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14893 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14894 * doc/invoke.tex: Document -mcfv4e on m68k.
14896 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14898 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14901 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14904 * c-opts.c (c_common_handle_option): Don't include
14905 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14906 * doc/invoke.texi (C++ Dialect Options): Document that
14907 -Wnon-virtual-dtor is no longer included in -Wall.
14909 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14911 * gcov.c (print_version), gcov-dump.c (print_version),
14912 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14915 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14917 * df-scan.c (problem_SCAN): Added NULL reset function.
14918 (df_scan_reset_blocks): Added code to call reset block function
14919 (df_bb_refs_delete) Fixed comment.
14920 (df_insn_refs_delete): Made tolerant of deleting non existent info
14921 for dataflow problems that need to be reset.
14922 * df-core.c (df_set_blocks): Ditto.
14923 * df.h (struct df_problem): Added reset_fun.
14924 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14925 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14926 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14927 functions to clear out all references to def-use or use-def chains.
14929 2006-01-21 Ben Elliston <bje@au.ibm.com>
14931 * varasm.c (assemble_real): Initialise data array.
14933 2006-01-20 Paul Brook <paul@codesourcery.com>
14935 Merge from csl-arm-branch.
14936 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14937 * config/arm/arm.md (movdi): Force operands[1] to a register
14938 if we have a non-register source.
14939 (*arm_movdi, *movdf_soft_insn): Require that one of the
14940 operands be a register.
14941 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14942 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14944 2006-01-20 DJ Delorie <dj@redhat.com>
14946 * varasm.c (initializer_constant_valid_p): Allow pointers
14947 initialized from integer constants of lesser precision.
14948 (output_constant): Allow non-int-sized pointer modes to be
14949 initialized from integer constants.
14951 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14954 * cppdefault.h (struct default_include): Add multilib flag.
14955 * cppdefault.c (cpp_include_defaults): Set it.
14956 * c.opt (-imultilib): New option.
14957 * c-opts.c (imultilib): New.
14958 (c_common_handle_option): Handle -imultilib.
14959 (c_common_post_options): Likewise.
14960 * c-incpath.c (add_standard_paths, register_include_chains):
14962 * c-incpath.h (register_include_chains): Add extra parameter.
14963 * gcc.c (do_spec_1): Generate -imultilib option.
14964 (The Specs Language): Update %I description.
14965 (process_command): Update copyright notice.
14966 * doc/cppopts.texi (-imultilib): Document.
14967 * doc/invoke.texi (-imultilib): Include in option summary.
14968 (%I): Update specs documentation.
14970 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14972 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14974 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14976 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14979 2006-01-20 Richard Guenther <rguenther@suse.de>
14980 Steven Bosscher <stevenb.gcc@gmail.com>
14982 PR rtl-optimization/24626
14983 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14984 EDGE_TRUE_VALUE if in RTL mode.
14987 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14988 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14990 2006-01-20 Dirk Mueller <dmueller@suse.com>
14993 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14994 instead of a special NOP marker.
14995 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14996 NOP marker handling.
14997 * c-common.h (empty_body_warning): Add forward declaration.
14998 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14999 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15001 2006-01-20 Paul Brook <paul@codesourcery.com>
15003 * Makefile.in (lang_checks): Keep going if mkdir fails.
15005 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15007 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15008 be able to clean out basic block when not necessary.
15009 (df_scan_free): Fixed to properly delete information if df is
15010 unused before calling df_finish.
15011 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15012 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15014 (df_bb_refs_delete): New function.
15015 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15016 * df-core.c (df_set_blocks): Added code to properly clean out
15017 unused blocks if they are not part of the blocks to consider.
15018 Added additional null check.
15019 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15020 be able to clean out basic block when not necessary
15021 * df.h (df_free_bb_function): Ditto.
15022 (df_bb_refs_delete): New function.
15023 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15024 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15025 basic block parameter to be able to clean out basic block when not
15027 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15028 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15029 Fixed to properly delete information if df is unused before
15032 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15034 PR rtl-optimization/25799
15035 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15036 Corrected confluence operator to remove bits from op2 before oring
15037 with op1 rather than removing bits from op1.
15038 (df_ru_transfer_function): Corrected test on wrong bitmap which
15039 caused infinite loop. Both of these problems were introduced in
15040 the dataflow rewrite.
15042 2006-01-19 DJ Delorie <dj@redhat.com>
15044 * reload1.c (find_reload_regs): Note the details of reload
15045 failures in the dump file.
15046 (spill_failure): Likewise.
15048 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15050 * loop-iv.c: Include df.h and hashtab.h.
15051 (enum iv_grd_result): New enum.
15052 (DF_REF_IV, DF_REF_IV_SET): New macros.
15053 (struct biv_entry): New.
15054 (df, bivs): New global variables.
15055 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15056 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15058 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15059 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15060 analyzed_for_bivness_p, record_biv): New functions.
15061 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15062 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15063 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15065 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15067 (iv_number_of_iterations): Use new interface to iv analysis.
15068 * loop-unroll.c: Do not include varray.h.
15069 (analyze_iv_to_split_insn): Use new interface to iv
15071 * loop-unswitch.c (may_unswitch_on): Ditto.
15072 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15074 (df_bb_modify): Realloc tables to the new index.
15075 (df_find_use): New function.
15076 * df.h (df_find_use): Declare.
15077 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15079 * cfgloop.h (struct rtx_iv): Remove analysed field.
15080 (iv_get_reaching_def): Removed.
15081 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15082 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15083 (loop-iv.o): Add df.h and hashtab.h dependency.
15084 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15086 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15089 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15091 (__floatundisf, __floatundidf): Likewise.
15092 * libgcc2.h (IS_IBM_EXTENDED): Define.
15094 2006-01-19 DJ Delorie <dj@redhat.com>
15096 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15098 2006-01-19 Paul Brook <paul@codesourcery.com>
15100 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15101 as nothrow when unwinding tables are disabled.
15103 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15106 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15107 of bit-field" when in system header.
15109 2006-01-19 DJ Delorie <dj@redhat.com>
15111 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15112 the 16 bit shift limit of the m16c.
15114 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15117 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15118 * config/i386/i386.c (output_set_got): Output the label if we have one
15119 for the TARGET_DEEP_BRANCH_PREDICTION case.
15121 2006-01-19 Jan Hubicka <jh@suse.cz>
15122 H.J. Lu <hongjiu.lu@intel.com>
15123 Evandro Menezes <evandro.menezes@amd.com>
15125 * invoke.texi (generic): Document
15127 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15128 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15129 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15130 (x86_use_incdec, x86_pad_returns): New variables
15131 (TARGET_CPU_DEFAULT_generic): New constant
15132 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15133 (enum processor_type): Add generic32 and generic64.
15134 * i386.md (cpu attribute): Add generic32/generic64
15135 (movhi splitter): Behave sanely when both partial_reg_dependency and
15136 partial_reg_stall are set.
15137 (K8 splitters): Enable for generic as well.
15138 * predicates.md (incdec_operand): Use TARGET_INCDEC
15139 (aligned_operand): Avoid memory mismatch stalls.
15140 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15141 * ppro.md: Enable for generic32
15142 * i386.c (generic64_cost, generic32_cost): New.
15143 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15144 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15145 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15146 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15147 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15148 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15149 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15150 x86_accumulate_outgoing_args, x86_prologue_using_move,
15151 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15152 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15153 Enable for generic.
15154 (x86_use_incdec, x86_pad_returns): New.
15155 (override_options): Add generic32 and generic64, translate "generic"
15156 to generic32/generic64 and "i686" to "generic32", refuse
15157 "generic32"/"generic64" as arch target.
15158 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15159 (ix86_reorg): Honor PAD_RETURNS.
15161 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15163 * tree-pretty-print.c (dump_generic_node): Handle
15164 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15165 * cgraph.c (cgraph_expand_queue): Rename from
15166 cgraph_analyze_queue. Update all users.
15167 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15168 cgraph_expand_queue.
15169 (cgraph_expand_all_functions): Likewise.
15170 (cgraph_finalize_pending_functions): Remove. Update callers.
15172 * tree.h (OMP_DIRECTIVE_P): Define.
15173 (OMP_PARALLEL_FN): Define.
15174 (OMP_PARALLEL_DATA_ARG): Define.
15175 (OMP_SECTIONS_SECTIONS): Define.
15176 * tree-pass.h (pass_expand_omp): Declare.
15177 * omp-low.c (struct omp_region): Declare.
15178 (struct omp_context): Remove fields 'parallel_type',
15179 'parallel_start_ix' and 'parallel_start_additional_args'.
15181 (struct omp_for_data): Rename from struct expand_omp_for_data.
15182 (omp_regions): New static variable.
15183 (root_omp_region): New static variable.
15184 (find_omp_clause): Make static.
15185 (is_in_combined_parallel_ctx): Remove.
15186 (is_combined_parallel): New.
15187 (extract_omp_for_data): Move earlier in the file.
15188 (workshare_safe_to_combine_p): New.
15189 (get_ws_args_for): New.
15190 (determine_parallel_type): Move earlier in the file.
15191 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15193 (omp_copy_decl): Likewise.
15194 (create_omp_child_function): Likewise.
15195 (lookup_omp_region): New.
15196 (dump_omp_region): New.
15197 (debug_omp_region): New.
15198 (debug_all_omp_regions): New.
15199 (new_omp_region): New.
15200 (scan_omp_parallel): If parallel_nesting_level > 1, the
15201 directive is nested within another parallel directive.
15202 Set OMP_PARALLEL_FN.
15203 (scan_omp_for): Do not try to handle combined parallel+for
15205 Remove FIXME comment.
15206 (scan_omp_nested): Remove.
15207 (scan_omp_1): Do not call scan_omp_nested when
15208 parallel_nesting_level is > 1.
15209 Do not change the DECL_CONTEXT of local variables found.
15210 (lookup_decl_in_outer_ctx): New.
15211 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15212 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15213 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15214 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15215 If CTX is nested, lookup VAR in the outer context when
15216 building copy assignment.
15217 (lower_send_clauses): Rename from expand_send_clauses.
15218 If CTX is nested, lookup VAR in the outer context when
15219 building copy assignments.
15220 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15221 If CTX is nested, lookup VAR in the outer context when
15222 building copy assignments.
15223 (expand_parallel_call): Rename from build_parallel_call.
15224 Handle combined parallel+workshare cases.
15225 Re-implement to emit code into the CFG.
15227 (expand_omp_parallel): Re-implement to emit code into the CFG.
15228 Call move_sese_region_to_fn to outline the sub-graph
15229 containing the parallel region.
15230 (expand_omp_for_1): Remove.
15231 (expand_omp_for_generic): Re-implement to emit code into the
15233 (expand_omp_for_static_nochunk): Likewise.
15234 (expand_omp_for_static_chunk): Likewise.
15235 (expand_omp_for): Likewise.
15236 (expand_omp_sections): Likewise.
15237 (remove_exit_barriers): New.
15238 (expand_omp_synch): New.
15240 (build_omp_regions_1): New.
15241 (build_omp_regions): New.
15242 (execute_expand_omp): New.
15243 (gate_expand_omp): New.
15244 (pass_expand_omp): Define.
15245 (lower_omp_sections): Rename from expand_omp_sections.
15246 Set OMP_SECTIONS_SECTIONS.
15247 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15248 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15249 (lower_omp_single): Rename from expand_omp_simple.
15250 (lower_omp_master): Rename from expand_omp_master.
15251 (lower_omp_ordered): Rename from expand_omp_ordered.
15252 (lower_omp_critical): Rename from expand_omp_critical.
15253 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15254 (lower_omp_for): Re-implement.
15255 (lower_omp_parallel): Re-implement.
15256 (lower_regimplify): Rename from expand_regimplify.
15257 (lower_omp_1): Rename from expand_omp_1.
15258 If there are syntax errors in the program, replace every
15259 OpenMP directive with NOP.
15260 Call lower_omp_* instead of expand_omp_*.
15261 (lower_omp): Rename from expand_omp.
15263 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15264 * tree-gimple.h (enum omp_parallel_type): Remove.
15265 (gimple_boolify): Declare extern.
15266 (find_omp_clause, determine_parallel_type): Remove.
15268 * gimple-low.c (lower_omp_directive): New.
15269 (lower_stmt): Call it.
15270 (record_vars_into): Move from ...
15271 (record_vars): ... here.
15272 Call record_vars_into with current_function_decl.
15274 * gimplify.c (struct gimplify_ctx): Remove fields
15275 combined_pre_p and combined_ctxp. Update users.
15276 (get_formal_tmp_var): Add documentation.
15277 (gimple_boolify): Make extern.
15278 (gimplify_expr_in_ctx): Remove. Update callers.
15279 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15280 will always be a BIND_EXPR.
15281 (gimplify_expr): Handle OMP_RETURN_EXPR.
15282 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15283 (OMP_PARALLEL): Add 3 operands.
15284 (OMP_SECTIONS): Add 1 operand.
15285 (OMP_RETURN_EXPR): Define.
15287 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15288 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15289 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15290 creating a circular free list.
15291 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15293 * tree-flow.h (move_sese_region_to_fn): Declare.
15294 (record_vars_into): Declare.
15295 * tree-cfg.c (make_omp_sections_edges): New.
15296 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15297 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15298 OMP_SECTIONS and OMP_SECTION.
15299 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15300 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15301 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15302 (gather_blocks_in_sese_region): New.
15303 (struct move_stmt_d): Declare.
15304 (move_stmt_r): New.
15305 (move_block_to_fn): New.
15306 (move_sese_region_to_fn): New.
15308 * passes.c (init_optimization_passes): Schedule
15309 pass_expand_omp after pass_init_datastructures.
15311 * tree-ssa-operands.c (get_expr_operands): Handle
15312 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15313 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15315 2006-01-19 Jeff Law <law@redhat.com>
15317 * tree-vrp.c (extract_range_from_assert): Refine the result range
15318 if the variable referenced by the ASSERT_EXPR has a range and
15319 either the tentative result range or the previous range is a
15322 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15324 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15326 2006-01-19 Jan Hubicka <jh@suse.cz>
15328 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15330 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15332 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15333 (expand_compound_operation, expand_field_assignment): Fail if the
15334 bit lengths of an extract operation are out of range.
15335 (make_extraction): Compute wanted_inner_mode based on the position
15336 and length of the extraction. Make it extraction_mode for non-constant
15337 positions, and do not modify offset in that case. When generating a
15338 new MEM, use a mode that can hold the extraction while keeping correct
15339 alignment. Remove code that supported MEMs wrapped by USEs.
15340 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15342 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15344 * config/s390/s390.md ("Y", "y"): New mode attribute.
15345 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15346 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15347 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15348 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15349 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15350 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15351 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15352 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15353 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15354 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15355 "addsi3", "subsi3"): Insn patterns removed.
15356 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15357 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15358 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15359 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15360 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15361 "*sub<mode>3_cconly2"): New insn patterns.
15362 ("addsi3", "subsi3"): New expanders.
15364 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15366 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15367 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15368 existing STMT_VINFO_VECTYPE if available.
15369 (vect_mark_relevant): Add special handling for stmts that are
15370 marked as STMT_VINFO_IN_PATTERN_P.
15371 (vect_analyze_loop): Call vect_pattern_recog.
15372 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15373 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15375 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15376 (vect_recog_func_ptr): New function-pointer type.
15377 * tree-vect-patterns.c: New file.
15378 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15379 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15380 (vect_pattern_recog_1): New functions.
15381 (vect_pattern_recog_funcs): New array of function pointers.
15383 * tree-vectorizer.h (ternary_op): New enum value.
15384 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15385 declaration. Revised documentation. Removed redundant dump prints.
15386 Removed redundant argument. Added support for reduction patterns.
15387 (vectorizable_reduction): Added support for reduction patterns.
15388 (vect_transform_stmt): Added support for patterns.
15390 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15391 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15392 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15393 (expand_widen_pattern_expr): New function.
15394 (init_optabs): Initialize new optabs udot_prod_optab,
15396 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15397 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15398 (expand_widen_pattern_expr): New function declaration.
15399 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15401 * tree-inline.c (estimate_num_insns_1): Added cases for new
15402 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15403 * tree-pretty-print.c (dump_generic_node): Likewise.
15404 (op_prio): Likewise.
15405 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15406 * tree-ssa-operands.c (get_expr_operands): Added case for
15408 * tree-vect-patterns.c (widened_name_p): New function.
15409 (vect_recog_dot_prod_pattern): Added function implementation.
15410 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15411 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15412 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15413 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15415 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15416 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15417 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15418 (init_optabs): Initialize new optabs widen_ssum_optab,
15420 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15421 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15422 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15423 use instead of type of def.
15424 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15425 function implementation.
15426 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15427 widen_ssumv8hi): New.
15429 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15432 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15435 * c-decl.c (add_flexible_array_elts_to_size): New function.
15436 (finish_decl): Use it.
15438 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15440 * diagnostic.h: Include options.h.
15441 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15442 dependancies for diagnostic.h.
15443 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15445 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15447 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15448 (ssa_ro_call_cache_valid): Ditto.
15449 * tree-ssa-alias.c (sort_tags_by_id): New function.
15450 (init_transitive_clobber_worklist): Ditto.
15451 (add_to_worklist): Ditto.
15452 (mark_aliases_call_clobbered): Ditto.
15453 (compute_tag_properties): Ditto.
15454 (set_initial_properties): Ditto.
15455 (compute_call_clobbered): Ditto.
15456 (compute_may_aliases): Call compute_call_clobbered and grouping.
15457 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15458 (compute_flow_insensitive_aliasing): Grouping now happens in our
15460 (setup_pointers_and_addressables): Remove clobbering related code.
15461 (add_may_alias): Ditto.
15462 (replace_may_alias): Ditto.
15463 (get_nmt_for): Ditto.
15464 (create_global_var):
15465 (is_escape_site): Return an escape_type enumeration.
15466 * tree-flow-inline.h (is_call_clobbered): Global var does not
15467 imply call clobbered.
15468 (mark_call_clobbered): Take a reason for marking this. Remove
15469 marking of globalness, and cache invalidation.
15470 (clear_call_clobbered): Remove cache invalidation code.
15471 * tree-dfa.c (dump_variable): If details is on, dump the reason
15473 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15475 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15476 (struct var_ann_d): Ditto.
15477 (enum escape_type): New.
15478 (mark_call_clobbered): Adjust prototype.
15479 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15480 are never call clobbered.
15481 Record reasons for escaping.
15482 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15483 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15484 (ssa_ro_call_cache_valid): Ditto.
15485 (clobbered_v_may_defs): Ditto.
15486 (clobbered_vuses): Ditto.
15487 (ro_call_vuses): Ditto.
15488 (clobber_stats): New.
15489 (init_ssa_operands): Zero out clobber stats.
15490 (fini_ssa_operands): Print out clobber stats.
15491 (get_call_expr_operands): Pass callee fndecl to
15492 add_call_read_ops).
15493 (add_call_clobber_ops): Remove use of cache.
15494 Add use of PURE_CONST information.
15495 (add_call_read_ops): Remove use of cache.
15496 Add use of static not_read information.
15498 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15500 Introduce TLS descriptors for i386 and x86_64.
15501 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15502 (TARGET_ANY_GNU_TLS): New macro.
15503 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15504 (struct machine_function): Add tls_descriptor_call_expanded_p.
15505 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15506 (ix86_current_function_calls_tls_descriptor): Likewise.
15507 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15508 (override_options): Introduce gnu2 tls dialect.
15509 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15511 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15513 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15514 (ix86_init_machine_status): Initialize new field.
15515 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15516 (ix86_tls_module_base): New.
15517 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15518 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15519 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15520 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15521 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15522 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15523 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15524 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15525 * config/i386/predicates.md (tls_modbase_operand): New.
15526 (tp_or_register_operand): New.
15528 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15530 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15531 (look_for_address_of): Ditto.
15532 (ipa_init): Walk the function decls.
15533 (static_execute): Don't set readonly on FUNCTION_DECL's.
15535 2006-01-18 Roger Sayle <roger@eyesopen.com>
15537 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15538 for shifts where the source and destination registers are different.
15540 2006-01-18 Paul Brook <paul@codesourcery.com>
15542 Merge from csl-arm-branch.
15543 2005-03-14 Julian Brown <julian@codesourcery.com>
15544 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15545 (aeabi_llsl): Likewise.
15546 (ashrdi3): Likewise.
15547 (aeabi_lasr): Likewise.
15548 (lshrdi3): Likewise.
15549 (aeabi_llsr): Likewise.
15550 2005-03-10 Julian Brown <julian@codesourcery.com>
15551 * config.gcc: Disable shared libgcc for SymbianOS.
15552 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15554 2006-01-18 DJ Delorie <dj@redhat.com>
15556 * c-pragma.c (handle_pragma_diagnostic): New.
15557 (init_pragma): Register it.
15558 * doc/extend.texi: Document it.
15560 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15561 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15562 (diagnostic_context): Add classify_diagnostic[].
15563 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15564 as errors if they're overridden to DK_WARNING.
15565 (diagnostic_initialize): Initialize classify_diagnostic[].
15566 (diagnostic_set_kind_override): New.
15567 (diagnostic_report_diagnostic): Check for kind changes.
15568 * opts.c (common_handle_option): Take lang_mask. Update callers.
15569 Handle OPT_Werror_.
15570 * common.opt (Werror=): New.
15571 * doc/invoke.texi: Document -Werror=*
15573 2006-01-18 Jeff Law <law@redhat.com>
15575 * tree-vrp.c (test_for_singularity): Correct test for new
15576 min limit. Use operand_equal_p rather than pointer equality
15577 for testing if new min/max values are equal.
15579 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15580 using range information until after propagation and folding.
15582 2006-01-18 Richard Henderson <rth@redhat.com>
15583 Aldy Hernandez <aldyh@redhat.com>
15584 Jakub Jelinek <jakub@redhat.com>
15585 Diego Novillo <dnovillo@redhat.com>
15587 * omp-low.c: New file.
15588 * c-omp.c: New file.
15590 2006-01-18 Richard Henderson <rth@redhat.com>
15591 Jakub Jelinek <jakub@redhat.com>
15592 Diego Novillo <dnovillo@redhat.com>
15594 * doc/invoke.texi: Document -fopenmp.
15595 * tree-dump.h (debug_function): Declare.
15596 * hooks.c (hook_bool_tree_bool_false): New function.
15597 (hook_tree_tree_null): Remove.
15598 (hook_tree_tree_tree_null): New.
15599 * hooks.h: Update to match.
15600 * tree-pretty-print.c (debug_tree_chain): New.
15601 (print_generic_expr): Handle TDF_CHAIN.
15602 (dump_generic_node): Handle BLOCK.
15603 Do not abort with incomplete SWITCH_EXPRs.
15604 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15605 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15606 print space after directive name.
15607 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15608 Handle OMP_MASTER and OMP_ORDERED.
15609 Handle printing of OMP_BODY just in one place, goto
15610 dump_omp_body in the rest of OMP_* nodes that have
15612 Don't handle clause nodes here. Update omp statements to
15613 use dump_omp_clauses.
15614 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15615 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15616 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15617 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15618 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15619 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15620 Adjust output for GOMP_PARALLEL.
15621 (dump_omp_clauses): New.
15622 (print_declaration): Dump DECL_VALUE_EXPR.
15623 (op_symbol_1): Split out of op_symbol.
15624 (dumping_stmts): Remove. Update all users.
15625 * cgraph.c (cgraph_analyze_queue): New.
15626 (cgraph_add_new_function): New.
15627 * cgraph.h (cgraph_analyze_queue): Declare.
15628 (cgraph_add_new_function): Declare.
15629 (cgraph_lower_function): Remove.
15630 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15631 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15632 and TYPE_P nodes in its default clause.
15633 (empty_body_p): New.
15634 (tree_range_check_failed): New.
15635 (build5_stat): New.
15636 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15637 OMP_CLAUSE_REDUCTION_MERGE,
15638 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15639 OMP_CLAUSE_PRIVATE_DEBUG,
15640 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15641 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15642 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15643 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15644 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15645 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15646 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15647 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15648 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15649 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15650 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15651 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15652 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15653 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15654 (TREE_RANGE_CHECK): New.
15655 (empty_body_p): Declare.
15656 (enum omp_clause_default_kind): New.
15657 (build_string_literal): Declare.
15658 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15659 (build5_stat, build5): Declare.
15660 * tree-pass.h (TDF_CHAIN): Define.
15661 * tree-pass.h (PROP_gimple_lomp): Define.
15662 (pass_lower_omp): Declare.
15663 * diagnostic.h (debug_tree_chain): Declare.
15664 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15666 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15667 * builtins.c (build_string_literal): Make extern.
15668 * gcc.c (include_spec_function): New.
15669 (static_spec_functions): Add it.
15670 (main): Move load of libgomp.spec ...
15671 (LINK_COMMAND_SPEC): ... here.
15672 (link_gomp_spec): New.
15673 (static_specs): Include it.
15674 (LINK_COMMAND_SPEC): Add link_gomp.
15675 (GOMP_SELF_SPECS): New.
15676 (driver_self_specs): Include it.
15677 (switch_matches): Don't mark inline.
15678 (main): Load libgomp.spec.
15679 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15680 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15681 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15682 * tree-gimple.h (enum omp_parallel): Declare.
15683 (determine_parallel_type): Declare.
15684 (omp_firstprivatize_variable): Declare.
15685 (omp_reduction_init): Declare.
15686 (diagnose_omp_structured_block_errors): Declare.
15687 (struct walk_stmt_info): Add want_return_expr.
15688 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15689 (find_omp_clause): Declare.
15690 (insert_field_into_struct): Declare.
15691 (struct walk_stmt_info): Move from tree-nested.c
15692 (walk_stmts): Declare.
15693 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15695 * cgraphunit.c (cgraph_lower_function): Make static.
15696 (cgraph_finalize_pending_functions): New.
15697 (cgraph_finalize_function): Call it.
15698 (cgraph_finalize_compilation_unit): Likewise.
15699 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15700 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15701 (BT_FN_UINT_UINT): New.
15702 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15703 DEF_FUNCTION_TYPE_VAR_4): Document.
15704 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15705 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15706 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15707 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15708 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15709 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15710 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15711 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15712 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15713 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15714 into separate files.
15715 (DEF_GOMP_BUILTIN): New.
15716 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15717 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15718 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15719 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15720 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15721 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15722 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15723 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15724 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15725 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15726 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15727 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15728 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15729 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15730 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15731 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15732 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15733 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15734 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15735 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15736 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15737 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15738 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15739 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15740 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15741 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15742 * sync-builtins.def: New file, moved from builtins.def.
15743 * omp-builtins.def: New file, moved from builtins.def.
15744 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15745 * gimple-low.c (lower_function_body): Clear data.
15746 (lower_stmt): Do not handle COMPOUND_EXPR.
15747 Remove call to print_node_brief.
15748 * c-tree.h (c_finish_omp_clauses): New prototype.
15749 (C_DECL_THREADPRIVATE_P): Define.
15750 (lookup_name_no_remap, c_omp_remap_private): Remove
15751 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15752 (check_for_loop_decls): Update decl.
15753 (lookup_name_no_remap, c_omp_remap_private): Declare.
15754 (build_indirect_ref, build_modify_expr, pushdecl,
15755 pushdecl_top_level): Move to c-common.h.
15756 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15757 before the switch, but just in the 2 places that need it.
15758 * c-decl.c (diagnose_mismatched_decls): Do not check for
15759 mismatched thread-local attributes when OLDDECL is marked
15760 threadprivate and NEWDECL has no thread-local attributes.
15761 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15762 (c_gimple_diagnostics_recursively): Rename from
15763 c_warn_unused_result_recursively. Invoke
15764 diagnose_omp_structured_block_errors.
15765 (check_for_loop_decls): Return a singular decl found.
15766 * langhooks.c (lhd_omp_predetermined_sharing): Return
15767 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15768 (lhd_omp_firstprivatize_type_sizes): New.
15769 (lhd_omp_assignment): New.
15770 (lhd_omp_predetermined_sharing): New.
15771 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15772 (struct lang_hooks_for_types): Add
15773 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15774 omp_predetermined_sharing, omp_disregard_value_expr,
15775 omp_private_debug_clause, omp_clause_default_ctor,
15776 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15777 (c_finish_omp_clauses): New.
15778 (c_finish_bc_stmt): Diagnose break within omp for.
15779 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15780 (build_unary_op): Return error_mark after reporting
15782 (build_modify_expr): Likewise.
15783 * gimplify.c: Include optabs.h and pointer-set.h.
15784 (enum gimplify_omp_var_data): Declare.
15785 (struct gimplify_omp_ctx): Declare.
15786 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15788 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15789 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15790 (splay_tree_compare_decl_uid): New.
15791 (new_omp_context): New.
15792 (delete_omp_context): New.
15793 (gimple_add_tmp_var): Call omp_add_variable.
15794 (gimplify_bind_expr): Likewise.
15795 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15796 true, disregard DECL_VALUE_EXPR on the decl if any.
15797 (gimplify_expr_in_ctx): New.
15798 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15799 omp_add_variable, omp_notice_variable, omp_is_private
15800 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15801 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15802 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15803 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15804 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15805 gimplify_omp_atomic): New.
15806 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15807 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15808 OMP_CRITICAL and OMP_ATOMIC.
15809 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15810 * c-pragma.h (enum pragma_kind): Add
15811 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15812 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15813 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15814 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15815 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15816 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15817 PRAGMA_OMP_THREADPRIVATE.
15818 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15819 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15820 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15821 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15822 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15823 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15824 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15825 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15826 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15827 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15828 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15829 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15830 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15832 (struct nesting_info): Add field_map,
15833 suppress_expansion, debug_var_chain.
15834 (create_nesting_tree): Initialize them.
15835 (lookup_field_for_decl): Use field_map.
15836 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15837 (convert_local_omp_clauses): New.
15838 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15839 (walk_body): Split out of walk_function.
15840 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15841 (convert_nonlocal_reference): Handle omp statements.
15842 (convert_local_reference): Likewise.
15843 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15844 (unnest_nesting_tree): New.
15845 (lower_nested_functions): Call it.
15846 (insert_field_into_struct): Make extern.
15847 (struct walk_stmt_info): Move to tree-gimple.h.
15848 (walk_stmts): Make extern.
15849 * omp-builtins.def: New file.
15850 * tree-iterator.c (expr_only): Clarify comment.
15851 * c-common.h (pushdecl_top_level, pushdecl,
15852 build_modify_expr, build_indirect_ref,
15853 c_finish_omp_master, c_finish_omp_critical,
15854 c_finish_omp_ordered, c_finish_omp_barrier,
15855 c_finish_omp_atomic, c_finish_omp_flush,
15856 c_finish_omp_for, c_split_parallel_clauses,
15857 omp_clause_default_kind, c_omp_sharing_predetermined,
15858 c_omp_remap_decl): Declare.
15859 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15860 (OBJS-common): Add omp-low.o.
15861 (c-omp.o, omp-low.o): Add.
15862 (gimplify.o): Add dependency on $(OPTABS_H).
15863 (GTFILES): Add omp-low.c.
15864 (gt-stringpool.h): Add.
15865 * tree-cfg.c (set_bb_for_stmt): Do not update the
15866 block-to-labels map if we are currently expanding to RTL.
15867 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15869 Handle IDENTIFIER_NODE.
15870 (tree_verify_flow_info): Do not ICE when emitting error
15871 messages about invalid labels.
15872 (dump_function_to_file): Reset CFUN before emitting the body
15874 (debug_function): New.
15875 * passes.c (init_optimization_passes): Schedule
15877 * langhooks-def.h (lhd_omp_predetermined_sharing,
15878 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15880 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15881 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15882 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15883 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15884 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15885 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15886 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15887 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15888 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15889 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15890 (LANG_HOOK_DECLS): Use them.
15892 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15893 Richard Henderson <rth@redhat.com>
15894 Jakub Jelinek <jakub@redhat.com>
15895 Diego Novillo <dnovillo@redhat.com>
15897 * c-parser.c (pragma_omp_clause): Define.
15898 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15899 (c_parser_compound_statement): Likewise.
15900 (c_parser_statement): Likewise.
15901 (c_parser_pragma): Handle omp pragmas.
15902 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15903 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15904 (c_parser_omp_clause_name, check_no_duplicate_clause,
15905 c_parser_omp_variable_list,
15906 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15907 c_parser_omp_clause_copyprivate,
15908 c_parser_omp_clause_default,
15909 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15910 c_parser_omp_clause_lastprivate,
15911 c_parser_omp_clause_nowait,
15912 c_parser_omp_clause_num_threads,
15913 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15914 c_parser_omp_clause_reduction,
15915 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15916 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15917 c_parser_omp_atomic, c_parser_omp_barrier,
15918 c_parser_omp_critical, c_parser_omp_flush,
15919 c_parser_omp_for_loop, c_parser_omp_for,
15920 c_parser_omp_master, c_parser_omp_ordered,
15921 c_parser_omp_sections_scope, c_parser_omp_sections,
15922 c_parser_omp_parallel, c_parser_omp_single,
15923 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15924 * c-pragma.c (init_pragma): Do omp pragma registration here.
15925 * c.opt (fopenmp): New flag.
15927 2006-01-18 Eric Christopher <echristo@apple.com>
15929 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15930 * config/darwin.h (GOMP_SELF_SPECS): Define.
15932 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15934 * rtl.h: Remove the prototype for reg_alloc.
15936 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15939 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15940 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15941 sjlj and dwarf2 exception handling.
15942 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15943 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15944 * pa/pa.c (function_value): Treat complex and vector types as
15946 (function_arg): Likewise. Only pass scalar floats in the floating
15947 point argument registers.
15948 * pa/t-slibgcc-dwarf-ver: New file.
15949 * pa/t-slibgcc-sjlj-ver: New file.
15950 * pa/t-slibgcc-elf-ver: Delete file.
15952 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15954 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15955 unlikely_test_section_p test.
15957 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15959 * mode-switching.c (optimize_mode_switching): Make it static.
15960 * basic-block.h: Remove the prototype for
15961 optimize_mode_switching.
15963 * modulo-sched.c (sms_schedule): Make it static.
15964 * rtl.h: Remove the prototype for sms_schedule.
15966 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15967 * rtl.h: Remove the prototype for gcse_after_reload_main.
15969 * reg-stack.c (reg_to_stack): Make it static.
15970 * rtl.h: Remove the prototype for reg_to_stack.
15972 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15974 * rtl.h: Remove the prototypes for regrename_optimize and
15975 copyprop_hardreg_forward.
15977 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15979 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15980 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15981 Test against the appropriate null constant for the mode.
15982 If 'fixup_overlap' is true, swap the operands if they overlap.
15983 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15984 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15985 alpha_split_tmode_pair and adjust for above change.
15986 * config/alpha/alpha.md (movtf_internal): Adjust call to
15987 alpha_split_tfmode_pair and rely on it to swap the operands.
15988 (movti_internal): New insn and post-reload splitter.
15989 (movti): New expander.
15991 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15993 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15996 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15998 * rtlanal.c (global_reg_mentioned_p_1,
15999 global_reg_mentioned_p): Remove.
16000 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16002 * flow.c (initialize_uninitialized_subregs): Make it static.
16003 * rtl.h: Remove the prototype for
16004 initialize_uninitialized_subregs.
16006 * function.c (instantiate_virtual_regs): Make it static.
16007 * function.h: Remove the prototype for
16008 instantiate_virtual_regs.
16010 * regmove.c (regmove_optimize, combine_stack_adjustments):
16012 * rtl.h: Remove the prototypes for regmove_optimize and
16013 combine_stack_adjustments.
16015 2006-01-17 Roger Sayle <roger@eyesopen.com>
16017 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16018 (size_cost): Encode costs in bytes so that a reg-reg addition is
16019 equivalent to COSTS_N_INSNS(1).
16020 (override_options): Use the size_cost.branch_cost as the default
16021 ix86_branch_cost when optimizing for size.
16023 2006-01-18 Ben Elliston <bje@au.ibm.com>
16025 * Makefile.in (D32PBIT_FUNCS): New.
16026 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16027 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16028 D64PBIT_FUNCS and D128PBIT_FUNCS.
16029 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16030 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16032 (decnumber_dep): Define.
16033 * doc/libgcc.texi (Decimal float library routines): New node.
16034 * config/dfp-bit.h, config/dfp-bit.c: New files.
16036 2006-01-18 Ben Elliston <bje@au.ibm.com>
16038 * expr.c (emit_move_change_mode): Always adjust addresses, not
16039 just during reload. Copy replacements only during reload.
16040 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16041 emit_move_via_integer.
16043 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16045 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16046 instead of $(srcdir) and ${srcdir}.
16048 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16051 PR middle-end/11135
16052 * arm.h (struct machine_function): Add pic_reg.
16053 * arm.c (arm_pic_register): Make unsigned.
16054 (arm_override_options): Only set arm_pic_register if
16055 TARGET_SINGLE_PIC_BASE.
16056 (use_return_insn): Only test for a pic register if it is fixed.
16057 (arm_compute_save_reg0_reg12_mask): Likewise.
16058 (thumb_compute_save_reg_mask): Likewise.
16059 (legitimate_pic_operand): Factor out some known invariants.
16060 (legitimize_pic_address): If we don't have a fixed pic register,
16061 then set up a pseudo in the function entry sequence. Handle the
16062 pic base being in a pseudo.
16063 (arm_load_pic_register): Handle the pic register being in a pseudo.
16064 (arm_expand_prologue): Only set up the pic register if it is fixed.
16065 (thumb_expand_prologue): Likewise.
16066 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16067 (pic_load_addr_based_insn): Likewise.
16068 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16071 2006-01-18 Ben Elliston <bje@au.ibm.com>
16073 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16074 decimal float modes for all floating point registers.
16076 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16077 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16079 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16082 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16083 even when the pointer is not NULL.
16085 2006-01-16 Ian Lance Taylor <ian@airs.com>
16087 * common.opt (ftoplevel-reorder): New option.
16088 * cgraph.c (cgraph_asm_nodes): New global variable.
16089 (cgraph_asm_last_node): New static variable.
16090 (cgraph_order): New global variable.
16091 (cgraph_create_node): Set new order field.
16092 (cgraph_varpool_node): Likewise.
16093 (decide_is_variable_needed): Return true if not
16094 flag_toplevel_reorder.
16095 (cgraph_add_asm_node): New function.
16096 * cgraph.h (struct cgraph_node): Add order field.
16097 (struct cgraph_varpool_node): Add order field.
16098 (struct cgraph_asm_node): Define.
16099 (cgraph_asm_nodes, cgraph_order): Declare.
16100 (cgraph_add_asm_node): Declare.
16101 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16103 (cgraph_varpool_assemble_pending_decls): Call it.
16104 (cgraph_output_pending_asms): New static function.
16105 (cgraph_finalize_compilation_unit): Call it.
16106 (struct cgraph_order_sort): Define.
16107 (cgraph_output_in_order): New static function.
16108 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16109 !flag_toplevel_reorder case.
16110 * c-parser.c: Include "cgraph.h".
16111 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16113 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16114 than -fno-unit-at-a-time.
16115 * doc/invoke.texi (Option Summary): Mention
16116 -fno-toplevel-reorder.
16117 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16118 -funit-at-a-time documentation.
16120 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16121 Kazu Hirata <kazu@codesourcery.com>
16123 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16125 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16127 * Makefile.in (FUNCTION_H): New. Use it instead of
16128 function.h throughout the file.
16129 * function.h: Include tree.h.
16131 2006-01-17 Ben Elliston <bje@au.ibm.com>
16133 * recog.c: Separate some functions with whitespace.
16135 2006-01-16 Richard Henderson <rth@redhat.com>
16137 Merge from gomp branch:
16138 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16139 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16140 and rename from struct inline_data. Rename callee* to dst*;
16141 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16142 transform_new_cfg, transform_return_to_modify, and
16143 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16145 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16146 (copy_decl_for_dup): Remove.
16147 * tree-inline.c (struct inline_data): Move to header.
16148 (insert_decl_map): Export.
16149 (remap_decl): Update for member name changes. Use copy_decl hook.
16150 Allow for replacement to be a non-decl. Remove dead code.
16151 (remap_type_1): Check for existing mapping.
16152 (remap_type): Export.
16153 (remap_decls): Update for member name changes.
16154 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16155 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16156 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16157 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16158 (tree_function_versioning, build_duplicate_type): Likewise.
16159 (copy_body_r): Likewise. Export.
16160 (copy_decl_for_dup): Split into ...
16161 (copy_decl_for_dup_finish, copy_decl_to_var,
16162 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16163 (replace_ref_tree, inlining_p): Remove.
16165 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16167 * ifcvt.c (if_convert): Make it static.
16168 * rtl.h: Remove the prototype for if_convert.
16170 * local-alloc.c (local_alloc): Make it static.
16171 * rtl.h: Remove the prototype for local_alloc.
16173 * loop.c (loop_optimize): Make it static.
16174 * cfgloop.h: Remove the prototype for loop_optimize.
16177 2006-01-16 DJ Delorie <dj@redhat.com>
16179 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16182 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16184 * pa.md: Disparage copies between general and floating-point registers
16185 in 32-bit move patterns.
16187 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16190 * Makefile.in (check-%): Depend on site.exp instead of
16191 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16194 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16196 * global.c (global_alloc): Make it static.
16197 * rtl.h: Remove the prototype for global_alloc.
16199 2006-01-16 Richard Guenther <rguenther@suse.de>
16201 * tree-ssa-alias.c (struct used_part): Add write_only field.
16202 (get_or_create_used_part_for): Initialize it to true.
16203 (create_overlap_variables_for): Don't create structure variables
16204 for structures that only are written to.
16205 (find_used_portions): Handle MODIFY_EXPR to track whether a
16206 structure is only written to.
16208 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16210 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16212 * basic-block.h: Remove the prototype for
16213 partition_hot_cold_basic_blocks.
16215 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16217 * cppspec.c (lang_specific_spec_functions): Remove.
16218 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16219 * gcc.h (lang_specific_spec_functions): Remove.
16220 * gccspec.c (lang_specific_spec_functions): Remove.
16222 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16224 * combine.c (record_value_for_reg): Invalidate registers
16226 (record_dead_and_set_regs_1): Likewise, by passing them to
16227 record_value_for_reg.
16228 (record_dead_and_set_regs): Invalidate stores made by a
16229 call. We do not combine across a call, but we still
16230 relied on equivalences.
16232 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16234 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16235 vrp_int_const_binop returning non-constant nodes.
16237 2006-01-16 Paul Brook <paul@codesourcery.com>
16239 * config/m68k/m68k.c (output_move_const_into_data_reg):
16240 Output correct mnemonic for mvz and mvs.
16242 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16244 * rtl-factoring.c: Add sequence abstraction algorithm.
16245 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16246 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16248 (block_has_preserve_label): New function.
16249 * common.opt: Register new pass.
16250 * Makefile.in: Ditto.
16252 * timevar.def: Ditto.
16253 * tree-pass.h: Ditto.
16254 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16255 * rtl.h (make_jump_insn_raw): Add forward decl.
16256 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16258 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16259 Roger Sayle <roger@eyesopen.com>
16261 * fold-const.c (fold_minmax): New static function.
16262 (fold_binary) <MIN_EXPR>: Call it.
16263 <MAX_EXPR>: Likewise.
16264 * stor-layout.c (place_field): Use DECL_SIZE consistently
16265 in the computation of the new record size.
16267 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16269 * cse.c (cse_condition_code_reg): Make it static.
16270 * rtl.h: Remove the prototype for cse_condition_code_reg.
16272 * combine.c (combine_instructions): Make it static.
16273 * rtl.h: Remove the prototype for combine_instructions.
16275 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16278 * tree.c (get_file_function_name_long): Concatenate the first global
16279 object name with a string derived from the input filename of the object
16282 2006-01-16 Ben Elliston <bje@au.ibm.com>
16284 * config/i386/winnt-stubs.c: Update FSF address.
16285 * config/xtensa/ieee754-df.S: Ditto.
16286 * config/xtensa/ieee754-sf.S: Ditto.
16288 2006-01-14 Ian Lance Taylor <ian@airs.com>
16290 * ifcvt.c (noce_init_if_info): New static function, broken out of
16291 noce_process_if_block.
16292 (noce_process_if_block): Call noce_init_if_info.
16293 (check_cond_move_block): New static function.
16294 (cond_move_process_if_block): New static function.
16295 (process_if_block): Call cond_move_process_if_block.
16297 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16299 * cselib.c (hash_table): Rename to cselib_hash_table.
16300 (cselib_clear_table, discard_useless_values,
16301 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16302 cselib_init, cselib_finish): Adjust uses of hash_table.
16304 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16306 PR tree-optimization/25485
16307 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16308 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16309 is known to be false and true, respectively.
16311 2006-01-14 Richard Guenther <rguenther@suse.de>
16313 PR tree-optimization/22548
16314 PR tree-optimization/22555
16315 PR tree-optimization/22501
16316 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16317 * params.def (salias-max-array-elements): New parameter.
16318 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16319 * doc/invoke.texi (salias-max-array-elements): Document.
16320 * tree-flow-inline.h (var_can_have_subvars): We also handle
16322 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16324 * tree-ssa-structalias.c (params.h): Include.
16325 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16326 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16327 (get_constraint_for): For ADDR_EXPR operating on something
16328 containing an ARRAY_REF, add all subvars to the solution.
16329 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16330 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16331 for creating MUST_DEFs.
16332 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16334 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16336 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16338 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16339 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16340 number_of_iterations_le): New functions.
16341 (number_of_iterations_special): Removed.
16342 (number_of_iterations_exit): Do not use number_of_iterations_special.
16343 * tree.c (unsigned_type_for): Always return integer type.
16345 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16346 Richard Guenther <rguenther@suse.de>
16348 PR rtl-optimization/24257
16349 * gcse.c (find_moveable_store): Only consider a store movable
16350 when the SET_SRC of the insn can be assigned to a register.
16352 2006-01-14 Ian Lance Taylor <ian@airs.com>
16354 * tree.c (tree_not_class_check_failed): New function.
16355 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16356 (tree_not_class_check_failed): Declare.
16358 2006-01-13 Ian Lance Taylor <ian@airs.com>
16360 * reload1.c (do_output_reload): Add assertion rejecting a
16363 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16365 * combine.c (struct reg_stat): Add new fields truncation_label and
16367 (record_value_for_reg): Reset truncated_to_mode.
16368 (record_truncated_value): New function.
16369 (check_promoted_subreg): Call it. Rename to check_conversions.
16370 (combine_instructions): Rename check_promoted_subreg to
16372 (reg_truncated_to_mode): New function.
16373 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16374 (gen_lowpart_or_truncate): New function.
16375 (force_to_mode): Use it instead of gen_lowpart.
16377 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16379 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16380 VAR is a tag, not its type tag.
16382 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16384 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16385 alternatives to match style of other entries.
16386 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16388 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16390 PR tree-optimization/25771
16391 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16394 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16397 * tree-inline.c (declare_return_variable): If the return variable
16398 was marked as a non gimple complex, set the return slot variable
16399 to be a non gimple comple variable.
16401 2006-01-13 Richard Guenther <rguenther@suse.de>
16403 * builtins.c (expand_builtin_sincos): New function.
16404 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16406 (expand_builtin): Expand sincos using expand_builtin_sincos.
16408 2006-01-12 DJ Delorie <dj@redhat.com>
16410 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16411 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16412 so that constant shifts can be split.
16413 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16414 (m32c_valid_pointer_mode): Make static.
16415 (shift_gen_func_for): New.
16416 (m32c_prepare_shift): Use it. Split large const shifts into
16418 * config/m32c/predicates.md (shiftcount_operand): Allow more
16420 (longshiftcount_operand): New.
16421 * doc/md.texi (Machine Constraints): Document In6.
16423 2006-01-13 Ben Elliston <bje@au.ibm.com>
16425 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16426 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16429 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16431 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16432 to try to avoid clobbering pieces of structures when we know
16433 something about the whole structure.
16434 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16436 2006-01-13 Ben Elliston <bje@au.ibm.com>
16438 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16439 return in memory, as this is no limitation is no longer present.
16441 2006-01-12 DJ Delorie <dj@redhat.com>
16443 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16444 mova with fb, and for fb+0 -> An.
16446 * config/m32c/mov.md (peephole2): Fix enabling logic.
16448 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16449 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16450 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16451 FINI_ARRAY_SECTION_ASM_OP): Define.
16453 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16455 (m32c_legitimize_reload_address): New logic to reload FB to An.
16456 (m32c_output_reg_push): Add newline.
16457 (m32c_output_reg_pop): Likewise.
16459 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16461 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16463 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16465 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16467 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16469 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16472 2006-01-11 Ben Elliston <bje@au.ibm.com>
16474 * rtlanal.c (find_reg_note): Assert insn is not null.
16476 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16478 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16481 2006-01-11 Jeff Law <law@redhat.com>
16483 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16485 (mark_threaded_blocks, register_jump_thread): New functions.
16486 (thread_through_all_blocks): Remove unwanted argument. No
16487 longer rely on e->aux to communicate thread target info.
16488 Call mark_threaded_blocks. Release the threaded_blocks
16489 bitmap and threaded_edges vector when complete.
16490 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16491 (threaded_blocks): Remove.
16492 (tree_ssa_dominator_optimize): Remove initialization and
16493 finalization of threaded_blocks. Simplify call to
16494 thread_through_all_blocks.
16495 (thread_across_edge): Call register_jump_thread rather than
16496 storing thread information into e->aux.
16497 (free_all_edge_infos): Simplify now that e->aux is no longer
16498 used to communicate with thread_through_all_blocks.
16499 * tree-flow.h (thread_through_all_blocks): Update prototype.
16500 (register_jump_thread): Prototype.
16502 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16504 * df-core.c (df_compact_blocks, df_bb_replace): Use
16505 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16507 2006-01-11 Richard Guenther <rguenther@suse.de>
16509 PR tree-optimization/25734
16510 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16511 stop propagation after successful propagation to the LHS.
16513 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16515 * basic-block.h (control_flow_graph): Change the type of
16516 x_basic_block_info to VEC(basic_block,gc) *.
16517 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16519 (SET_BASIC_BLOCK): New.
16520 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16521 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16522 * cfgbuild.c (find_basic_blocks): Likewise.
16523 * cfglayout.c (fixup_reorder_chain): Likewise.
16524 * cfgrtl.c (create_basic_block_structure,
16525 rtl_create_basic_block): Likewise.
16526 * ifcvt.c (find_if_case_1): Likewise.
16527 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16530 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16532 * Makefile.in: Removed rotted odf.c entry.
16534 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16537 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16538 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16539 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16540 output pattern modifier, not %e.
16541 * config/cris/cris.c (cris_op_str): Update comment about pattern
16543 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16544 before falling through into...
16545 <case 'E'>: Redefined from old 'e' case.
16547 2006-01-11 Jan Hubicka <jh@suse.cz>
16550 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16552 2006-01-11 Jan Hubicka <jh@suse.cz>
16554 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16555 * i386.c (x86_decompose_lea): Kill.
16556 (ix86_rtx_costs): Kill.
16558 2006-01-11 Jan Hubicka <jh@suse.cz>
16560 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16561 * cgraph.h (cgraph_node): Add inline_decl.
16562 (cgraph_insert_node_to_hashtable): Declare.
16563 (save_inline_function_body): Declare.
16564 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16566 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16567 (cgraph_function_versioning): Update call of tree_function_versioning.
16568 (save_inline_function_body): New function.
16569 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16570 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16571 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16572 (cgraph_default_inline_p): Likewise.
16573 (cgraph_decide_inlining_incrementally): Likewise.
16574 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16575 (copy_bb): Kill saving; do updating of clones.
16576 (copy_cfg_body): Kill saving.
16577 (initialize_inlined-parameters): Likewise.
16578 (expand_call_inline): Likewise.
16580 (tree_function_versioning): New parameter "update_clones".
16581 (inlining_p): Kill saving.
16582 * tree-inline.h (tree_function_versioning): Update prototype.
16583 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16586 2006-01-11 Ian Lance Taylor <ian@airs.com>
16588 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16589 Allow undoing set of machine mode.
16590 (do_SUBST): Use enums instead of is_int.
16591 (do_SUBST_MODE): New function.
16592 (SUBST_MODE): New macro.
16593 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16594 reg and trying to replace reg_regno_rtx with a new register.
16595 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16596 (simplify_set): Use SUBST_MODE.
16597 (distribute_notes): Remove code that tried to update reg notes
16598 for regno_reg_rtx changes.
16600 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16602 PR tree-optimization/23109
16603 PR tree-optimization/23948
16604 PR tree-optimization/24123
16606 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16607 * tree-cfg.c (single_noncomplex_succ): New.
16608 * tree-flow.h (single_noncomplex_succ): Declare it.
16609 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16610 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16611 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16612 insert_bb, register_division_in, insert_reciprocals,
16613 replace_reciprocal, free_bb): New.
16614 (execute_cse_reciprocals_1): Rewritten.
16615 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16616 Do not commit any edge insertion. Always compute dominators and
16617 create the allocation pool.
16618 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16619 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16620 * targhooks.c (default_min_divistions_for_recip_mul): New.
16621 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16622 * passes.c (init_optimization_passes): Run recip after tree loop
16624 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16626 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16627 Kenneth Zadeck <zadeck@naturalbridge.com>
16629 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16630 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16631 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16632 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16633 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16634 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16635 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16636 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16637 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16638 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16639 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16640 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16641 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16642 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16643 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16644 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16645 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16646 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16647 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16648 DF_SCAN_POST_ALLOC): New macros.
16649 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16650 df_free_bb_function, df_local_compute_function, df_init_function,
16651 df_dataflow_function, df_confluence_function_0,
16652 df_confluence_function_n, df_transfer_function,
16653 df_finalizer_function, df_free_function, df_dump_problem_function,
16654 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16655 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16656 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16657 df_urec_bb_info, ) New types.
16658 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16660 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16661 df_analyze_simple_change_some_blocks,
16662 df_analyze_simple_change_one_block, df_compact_blocks,
16663 df_bb_replace, df_bb_regno_last_use_find,
16664 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16665 df_insn_regno_def_p, df_find_def, df_find_use,
16666 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16667 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16668 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16669 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16670 debug_df_chain, df_get_dependent_problem, df_chain_create,
16671 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16672 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16673 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16674 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16675 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16676 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16677 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16678 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16679 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16680 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16681 df_reorganize_refs, df_set_state, df_hard_reg_init,
16682 df_read_modify_subreg_p) New public functions.
16683 * df-core.c: The core dataflow solver and glue routines for rtl
16685 (df_init, df_add_problem, df_set_blocks, df_finish,
16686 df_hybrid_search_forward, df_hybrid_search_backward,
16687 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16688 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16689 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16690 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16691 df_reg_defined, df_find_use, df_reg_used, df_dump,
16692 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16693 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16694 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16695 debug_df_useno, reset_df_after_reload): New functions.
16696 * df-scan.c: The scanning fuctions, once in df.c, completely
16697 rewritten so that they now fully model the functionality of
16698 register usage at the backend.
16699 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16700 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16701 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16702 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16703 df_get_artificial_defs, df_get_artificial_uses,
16704 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16705 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16706 df_refs_delete, df_reorganize_refs, df_set_state,
16707 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16708 df_def_record_1, df_defs_record, df_uses_record,
16709 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16710 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16711 df_record_exit_block_uses, df_hard_reg_init): New functions.
16713 * df-problems.c: Seven concrete dataflow problems that use the
16714 scanning in df-scan.c and are solved by the engine in df-core.c.
16715 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16716 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16717 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16718 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16719 df_ru_free_bb_info, df_ru_alloc,
16720 df_ru_bb_local_compute_process_def,
16721 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16722 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16723 df_ru_transfer_function, df_ru_free, df_ru_dump,
16724 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16725 df_rd_free_bb_info, df_rd_alloc,
16726 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16727 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16728 df_rd_transfer_function, df_rd_free, df_rd_dump,
16729 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16730 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16731 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16732 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16733 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16734 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16735 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16736 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16737 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16738 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16739 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16740 df_urec_mark_reg_use_for_earlyclobber,
16741 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16742 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16743 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16744 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16745 df_chain_create_bb_process_use, df_chain_create_bb,
16746 df_chain_finalize, df_chain_free, df_chains_dump,
16747 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16748 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16749 df_reg_lifetime): New functions.
16750 * df.c: Deleted file.
16751 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16752 consistent with new df api.
16753 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16754 rest_of_handle_sms): Ditto.
16755 * web.c (unionfind_union, union_defs, entry_register, web_main):
16757 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16758 invariant_expr_equal_p, find_defs, check_dependencies,
16759 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16760 free_inv_motion_data, move_loop_invariants): Ditto.
16761 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16762 Update dependencies.
16763 (odf.c): Added defective entry that was deleted later in day.
16764 * sched-deps.c (sched_analyze_1): Ditto.
16766 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16768 * tree-ssa-operands.c (get_expr_operands): Record addressable
16769 variables directly. Do not call add_stmt_operands for CONST_DECLs
16771 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16772 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16774 2006-01-11 Ben Elliston <bje@au.ibm.com>
16776 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16777 function returns true in the positive case.
16779 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16782 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16783 for SI, DI, SF and DF modes. Add alternatives to copy between
16784 general and floating point registers to the 32-bit patterns.
16785 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16786 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16787 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16788 generating 64-bit code.
16789 * config/pa/pa.c (output_move_double): Handle copies between general
16790 and floating registers.
16792 2006-01-10 Stuart Hastings <stuart@apple.com>
16794 * config/i386/i386.md (set_got): Update.
16795 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16796 (builtin_setjmp_receiver): Mach-O support.
16797 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16798 (GOT_SYMBOL_NAME): Define.
16799 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16800 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16801 * config/i386/i386.c (override_options): Revise for Darwin.
16802 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16803 support. (darwin_x86_file_end): New. (output_set_got): Add label
16804 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16805 * config/i386/i386-protos.h (output_set_got): Likewise.
16806 * config/darwin.c (machopic_legitimize_pic_address): Update
16809 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16811 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16812 when MODE isn't BLKmode.
16814 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16816 PR rtl-optimization/25367
16817 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16819 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16822 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16823 for a negative bound.
16825 2006-01-10 Richard Guenther <rguenther@suse.de>
16827 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16828 Never override with anything constraint.
16830 2006-01-10 Jan Beulich <jbeulich@novell.com>
16832 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16833 256 bits when optimize_size.
16835 2006-01-10 Jan Beulich <jbeulich@novell.com>
16837 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16839 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16840 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16843 2006-01-10 Ben Elliston <bje@au.ibm.com>
16845 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16847 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16848 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16849 (USE_FP_FOR_ARG): Reject decimal float modes.
16850 (function_arg_advance): Likewise.
16851 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16852 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16853 point types in AltiVec vectors.
16854 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16855 (rs6000_libcall_value): Likewise.
16857 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16859 * config/xtensa/ieee754-df.S: New file.
16860 * config/xtensa/ieee754-sf.S: New file.
16861 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16862 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16863 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16865 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16867 * config/sh/predicates.md (binary_float_operator,
16868 binary_logical_operator, commutative_float_operator,
16869 equality_comparison_operator, greater_comparison_operator,
16870 less_comparison_operator, logical_operator,
16871 noncommutative_float_operator, shift_operator,
16872 symbol_ref_operand, unary_float_operator): Remove redundant
16875 2006-01-09 Jeff Law <law@redhat.com>
16877 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16878 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16879 now unused arguments. Callers updated.
16880 (eliminate_redundant_computations): Remove now unused arguments,
16882 (local_fold): Remove, no longer used.
16883 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16885 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16886 (simplify_cond): New function.
16887 (forward_propagate_into_cond): Call simplify_cond.
16889 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16891 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16892 (*vec_extractv2di_1_sse): New.
16894 2006-01-09 Ben Elliston <bje@au.ibm.com>
16896 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16898 2006-01-08 Richard Guenther <rguenther@suse.de>
16900 * tree-ssa-structalias.c (get_constraint_for): Remove
16901 anyoffset argument.
16902 (get_constraint_for_component_ref): Likewise.
16903 (do_deref): Likewise.
16904 (get_constraint_for): Likewise.
16905 (do_structure_copy): Likewise.
16906 (handle_ptr_arith): Likewise.
16907 (find_func_aliases): Likewise. Remove unused need_anyoffset
16910 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16911 Kaz Kojima <kkojima@gcc.gnu.org>
16913 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16914 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16915 (EXTRA_CONSTRAINT_C16): Remove.
16916 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16917 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16918 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16919 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16920 constants of SHmedia. Handle nested constant expressions of
16922 (andcosts): Fix the costs for SHmedia constants.
16923 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16924 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16925 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16926 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16927 (movv4hi_i, movv2si_i): Likewise.
16928 (movsi_const): Adjust the second operand of ior so to match with
16929 the Csu constraint.
16930 (movdi_const, movdi_const_32bit): Likewise.
16931 (movdi_const_16bit+1): Don't sign-extend LOW.
16932 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16934 (*double_shori): Fix the split condition. Use GEN_INT instead
16935 of get_int_mode calls. Mask lower 16-bit of the argument of
16937 (sym2GOTPLT): Remove.
16938 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16940 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16941 instead of EXTRA_CONSTRAINT_C16.
16943 2006-01-07 Ian Lance Taylor <ian@airs.com>
16944 David Edelsohn <edelsohn@gnu.org>
16946 PR rtl-optimization/25662
16947 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16948 for constant operands instead of simplify_gen_binary.
16949 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16950 after trying simplify_binary_operation
16952 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16954 * tree.c (iterative_hash_expr): Hash decls based on UID.
16956 2006-01-06 Eric Christopher <echristo@apple.com>
16958 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16959 (TARGET_UNWIND_EMIT): Fix spelling.
16960 * target.h (gcc_target): Add except_table_label.
16961 * except.c (output_function_exception_table): Use.
16962 * varasm.c (default_emit_except_table_label): New.
16963 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16965 (asm_out): Add here.
16966 * output.h (default_emit_except_table_label): Prototype.
16967 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16968 * config/darwin.c (darwin_emit_except_table_label): Define.
16969 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16971 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16973 PR tree-optimization/18527
16974 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16975 number_of_iterations_special, number_of_iterations_exit):
16976 Move base and step of an iv to a single structure. Add
16977 no_overflow flag, and use it in # of iterations analysis.
16978 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16979 folded_casts argument.
16980 (simple_iv): Pass base and step in a structure. Set no_overflow
16982 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16983 Evaluate expensiveness of computing # of iterations instead of
16984 the final expression.
16985 * tree-scalar-evolution.h (affine_iv): New structure.
16986 (simple_iv): Declaration changed.
16987 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16988 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16989 find_givs_in_stmt): Changed due to simple_iv change.
16991 2006-01-06 Jeff Law <law@redhat.com>
16994 * tree-cfg.c (bsi_replace): Rename final argument from
16995 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16996 change (stmt -> orig_stmt).
16997 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16998 (bsi_remove): Add new argument. Remove EH information
17000 (verify_eh_throw_table_statements): New function.
17001 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17003 * tree-optimize.c (execute_free_cfg_annotations): Verify
17004 the EH throw statement table after removing annotations.
17005 * except.h (verify_eh_throw_table_statements): Prototype.
17006 * tree-flow.h (bsi_remove): Update prototype.
17007 * tree-vrp.c (remove_range_assertions): Add new argument to
17009 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17010 * tree-complex.c (expand_complex_div_wide): Likewise.
17011 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17012 * tree-tailcall.c (eliminate_tailcall): Likewise.
17013 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17014 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17015 * tree-nrv.c (tree_nrv): Likewise.
17016 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17017 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17018 (combine_blocks): Likewise.
17019 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17020 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17021 (cleanup_control_flow): Likewise.
17022 (remove_forwarder_block): Likewise.
17023 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17024 * tree-sra.c (sra_replace): Likewise.
17025 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17026 (forward_propagate_single_use_vars): Likewise.
17027 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17028 * tree-inline.c (expand_call_inline): Likewise.
17029 * tree-vect-transform.c (vect_transform_loop): Likewise.
17030 * tree-outof-ssa.c (rewrite_trees): Likewise.
17031 * tree-cfg.c (make_goto_expr_edges): Likewise.
17032 (cleanup_dead_labels): Likewise.
17033 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17034 (bsi_move_before, bsi_move_after): Likewise.
17035 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17036 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17038 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17041 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17043 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17044 on non gimple variables. Also add checks at the top for decls and
17046 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17048 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17049 and IMAGPART_EXPR for creating MUST_DEFs.
17050 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17051 and NAME_MEMORY_TAG separately from the DECLs.
17053 2006-01-06 Richard Guenther <rguenther@suse.de>
17055 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17056 annotation, if necessary.
17057 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17058 redundant calls to update_stmt.
17059 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17062 2006-01-05 Richard Henderson <rth@redhat.com>
17064 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17066 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17068 * c-typeck.c: Update copyright date.
17070 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17072 * c-typeck.c (build_c_cast): Always warn when casting
17073 from a pointer to an integer of different size, even if
17074 the node was constant.
17076 2006-01-05 Richard Guenther <rguenther@suse.de>
17078 PR tree-optimization/22555
17079 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17080 if one structure field is an array.
17081 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17082 operands even if we found a subvar, but ignore VOPs in this
17084 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17086 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17088 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17090 PR middle-end/24998
17091 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17093 2006-01-05 Richard Guenther <rguenther@suse.de>
17094 Diego Novillo <dnovillo@redhat.com>
17096 * tree-pass.h (TODO_remove_unused_locals): Define.
17097 * gimple-low.c (expand_var_p, remove_useless_vars,
17098 pass_remove_useless_vars): Remove. Update all users.
17099 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17100 (remove_unused_locals): New function.
17101 * tree-flow.h (remove_unused_locals): Declare.
17102 * passes.c (execute_todo): Call remove_unused_locals if
17103 TODO_remove_unused_locals is set.
17104 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17105 * tree-ssa-dce.c (pass_dce): Likewise.
17106 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17108 2006-01-05 Richard Guenther <rguenther@suse.de>
17110 * tree-flow.h (struct fieldoff): Decompose field to
17111 type, size and decl.
17112 * tree-ssa-alias.c (create_sft): Take type as parameter.
17113 (create_overlap_variables_for): Store type, size and decl
17114 in the fieldoff structure.
17115 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17116 of struct fieldoff.
17117 (push_fields_onto_fieldstack): Likewise.
17118 (create_variable_info_for): Likewise. Use offset for the
17119 SFT name if the decl is not available.
17121 2006-01-04 Paul Brook <paul@codesourcery.com>
17123 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17125 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17127 * lambda-code.c (can_put_in_inner_loop): Relax
17129 (can_put_after_inner_loop): New function.
17130 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17131 (perfect_nestify): Change to make copies and modify uses.
17133 2006-01-04 Richard Henderson <rth@redhat.com>
17135 Merge from gomp branch:
17136 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17137 via integer constant.
17138 (pragma_lex): Remove.
17139 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17140 rather than parsing it.
17141 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17142 handle_pragma_extern_prefix): Add %< %> quotes.
17143 (registered_pragmas): New.
17144 (c_register_pragma_1): New.
17145 (c_register_pragma): Use it.
17146 (c_register_pragma_with_expansion): Likewise.
17147 (c_invoke_pragma_handler): New.
17148 (init_pragma): Use cpp_register_deferred_pragma directly for
17150 * c-pragma.h (enum pragma_kind): New.
17151 (pragma_handler): New.
17152 (c_invoke_pragma_handler): Declare.
17153 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17155 * c-common.h (c_common_pch_pragma): Update decl.
17156 * Makefile.in (c-parser.o): Update dependencies.
17157 (GTFILES): Add c-pragma.h.
17158 * c-parser.c (struct c_token): Add pragma_kind.
17159 (struct c_parser): Add in_pragma.
17160 (c_lex_one_token): Always initialize keyword and pragma_kind.
17161 Extract data for CPP_PRAGMA.
17162 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17163 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17164 Don't allow CPP_PRAGMA_EOL if in_pragma.
17165 (c_parser_consume_pragma): New.
17166 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17167 (c_parser_skip_to_end_of_parameter): Likewise.
17168 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17169 (c_parser_skip_to_pragma_eol): New.
17170 (c_parser_external_declaration): Handle CPP_PRAGMA.
17171 (c_parser_compound_statement_nostart): Likewise.
17172 (c_parser_statement_after_labels): Likewise.
17173 (c_parser_pragma): New.
17174 (pragma_lex): Likewise.
17175 (c_parser_pragma_pch_preprocess): New.
17176 (c_parser_new): Merge into ...
17177 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17179 2006-01-04 Jeff Law <law@redhat.com>
17182 * tree-cfg.c (bsi_replace): Remove the original statement
17183 from the EH throw statement table.
17185 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17187 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17188 make the prototype extern "C" and add throw ().
17191 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17192 and pos non-negative and pos + len <= 32.
17193 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17194 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17195 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17198 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17199 as well as sizes not multiple of component size.
17202 * function.c (instantiate_expr): New function.
17203 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17204 walk its DECL_VALUE_EXPR with instantiate_expr.
17206 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17207 DW_OP_deref{,_size} if address isn't going to be added.
17209 2006-01-04 Ben Elliston <bje@au.ibm.com>
17211 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17212 * config/fp-bit.c: Likewise.
17214 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17216 * dominance.c: Add comment about why we use DFS numbering
17219 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17220 Richard Henderson <rth@redhat.com>
17222 Merge from gomp-branch:
17223 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17224 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17226 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17228 PR rtl-optimization/25578
17229 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17230 pass a parameter to simplify_shift_const if changing ASHIFTRT
17233 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17235 * builtins.c (get_builtin_sync_mem): New function.
17236 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17237 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17238 Call get_builtin_sync_mem to generate mem rtx.
17240 2006-01-03 Richard Guenther <rguenther@suse.de>
17243 * stmt.c (add_case_node): Make sure to clear overflow flags
17246 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17248 Merge from gomp-branch.
17249 * config/sparc/sync.md: New file.
17250 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17251 UNSPECV_LDSTUB): New constants.
17252 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17253 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17254 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17257 2006-01-03 Roger Sayle <roger@eyesopen.com>
17259 * combine.c (reg_subword_p): New predicate to test whether the
17260 destination of a set refers to a subword/piece of a register.
17261 (try_combine): Generalize the code to merge the setting of a
17262 pseudo to a constant followed by a set of a subword of that
17263 register to a constant.
17265 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17267 * basic-block.h (control_flow_graph): Change the type of
17268 x_label_to_block_map to VEC(basic_block,gc) *.
17269 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17270 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17272 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17273 VEC(basic_block,heap) *.
17274 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17275 ssa_prop_fini): Adjust the uses of cfg_blocks.
17277 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17279 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17281 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17282 hashing trees instead of a pointer hash.
17283 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17284 compare for MEM_EXPR.
17286 PR rtl-optimization/25130
17287 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17288 when comparing MEMs for GCSE
17290 2006-01-03 Ben Elliston <bje@au.ibm.com>
17292 * targhooks.h (default_decimal_float_supported_p): Declare.
17293 * targhooks.c (default_decimal_float_supported_p): Define.
17294 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17295 `default_decimal_float_supported_p'.
17296 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17298 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17300 * combine.c (apply_distributive_law <SUBREG>): Check
17301 TRULY_NOOP_TRUNCATION.
17303 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17305 * dwarf2out.c (have_switched_text_section): Delete.
17306 (have_multiple_function_sections): New.
17307 (have_location_lists): Make 'bool'.
17308 (add_AT_loc_list): Use 'true' not '1'.
17309 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17310 (output_loc_list): Use have_multiple_function_sections.
17311 (output_ranges): Likewise.
17312 (dwarf2out_begin_function): Set have_multiple_function_sections if
17314 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17315 Check function_section rather than DECL_SECTION_NAME.
17316 (dwarf2out_finish): Use have_multiple_function_sections.
17317 Don't clear have_location_lists.
17319 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17320 Jan Hubicka <jh@suse.cz>
17322 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17323 case of conditional jump jumping to the next instruction.
17324 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17325 cases of conditional jump jumping to the next instruction.
17327 2006-01-02 Jan Hubicka <jh@suse.cz>
17329 * i386.c (*_cost): Add COSTS_N_INSNS.
17330 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17332 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17335 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17337 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17339 * config/arm/arm.c (all_fpus): Fix comment typo.
17340 * config/darwin.c: Likewise.
17341 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17342 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17343 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17345 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17347 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17348 (rs6000_split_compare_and_swapqhi): New.
17349 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17350 (sync_compare_and_swapqhi_internal): New.
17351 * config/rs6000/rs6000-protos.h: Declare.