1 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4 * builtins.c (do_mpfr_sincos): New.
5 (fold_builtin_1): Use it to fold builtin sincos.
7 2006-11-01 Roger Sayle <roger@eyesopen.com>
9 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
12 2006-11-01 Roger Sayle <roger@eyesopen.com>
14 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
15 whether the assembler supports taking the difference of symbols in
16 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
17 * configure: Regenerate.
18 * config.in: Regenerate.
19 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
20 the assembler doesn't support taking the difference of symbols in
21 different sections, i.e. we're using the native solaris assembler.
23 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
24 Peter Bergner <bergner@vnet.ibm.com>
26 * doc/invoke.texi: Add cpu_type power6x
27 (RS/6000 and PowerPC Options): Add -mmfpgpr.
28 * config.gcc: Add cpu_type power6x.
29 * configure.ac: Add test for mf{t,f}gpr instructions.
30 (HAVE_AS_MFPGPR): New.
31 * config.in: Regenerate.
32 * configure: Regenerate.
33 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
34 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
35 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
36 and mftgpr attributes.
37 (define_attr "cpu"): Add power6.
38 Change instruction sequences to use new attributes.
39 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
40 (fix_truncdfsi2_mfpgpr): New.
41 (floatsidf_ppc64_mfpgpr): New.
42 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
43 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
44 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
45 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
46 (fix_truncdfsi2): Use gpc_reg_operand constraint.
47 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
48 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
49 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
50 cntlz,exts and var_delayed_compare.
51 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
52 _ARCH_PWR6X, if features enabled.
53 * config/rs6000/rs6000.opt (mmfpgpr): New.
54 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
55 (cached_can_issue_more): New variable.
56 (processor_costs): Add power6_cost.
57 (rs6000_sched_init): New function.
58 (is_dispatch_slot_restricted): Deleted.
59 (set_to_load_agen): New function.
60 (is_load_insn,is_store_insn): New functions.
61 (adjacent_mem_locations): New function.
62 (insn_must_be_first_in_group): New function.
63 (insn_must_be_last_in_group): New function.
64 (rs6000_sched_reorder): New function.
65 (rs6000_sched_reorder2): New function.
66 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
67 TARGET_SCHED_REORDER2): Define.
68 (processor_target_table): Use PROCESSOR_POWER6 for power6.
69 Add power6x. Add MASK_MFPGPR for power6x.
70 (POWERPC_MASKS): Add MASK_MFPGPR.
71 (rs6000_override_options): Set rs6000_always_hint to false
72 for power6. Set rs6000_align_branch_targets. Replace
73 rs6000_sched_groups check with rs6000_align_branch_targets.
75 (last_scheduled_insn): New variable.
76 (load_store_pendulum): New variable.
77 (rs6000_variable_issue): Set last_scheduled_insn and
78 cached_can_issue_more.
79 (rs6000_adjust_cost): Add power6 cost adjustments.
80 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
81 with insn_must_be_first_in_group. Add power6 priority adjustments.
82 (rs6000_issue_rate): Add CPU_POWER6.
83 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
84 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
86 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
87 (ASM_CPU_SPEC): Add power6x.
88 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
90 * config/rs6000/power6.md: New file.
92 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
94 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
95 HOST_WIDE_INT_PRINT to print high and low parts. Use
96 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
97 printing a hexadecimal number prefix it with 0x.
99 2006-11-01 Chris Johns <chris@contemporary.net.au>
102 * Makefile.in (install-driver): Use exeext when installing
103 $target-gcc-$version.
105 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
107 * c-common.c (flag_cpp0x): New.
108 * c-common.h (flag_cpp0x): New.
109 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
110 supported, define __GXX_EXPERIMENTAL_CPP0X__.
111 * c-opts.c (set_std_cxx0x): New.
112 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
113 * c.opt (std=c++0x): Document.
114 (std=gnu++0x): Ditto.
115 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
116 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
118 2006-11-01 Richard Guenther <rguenther@suse.de>
120 * config/i386/i386.c (ix86_expand_rint): Fix issues with
122 (ix86_expand_floorceildf_32): Likewise.
123 (ix86_expand_floorceil): Likewise.
124 (ix86_expand_trunc): Likewise.
126 2006-10-31 Andrew Pinski <pinskia@gmail.com>
128 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
131 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
133 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
135 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
137 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
139 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
140 * configure.ac (use_cxa_atexit): As a special case, don't test
141 for libc definition of __cxa_atexit on mingw32
142 * configure: Regenerate.
143 * config.gcc (i[34567]86-pc-mingw32): Default to
144 enable__cxa_atexit=yes.
146 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
148 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
150 2006-10-31 Geoffrey Keating <geoffk@apple.com>
153 * c-decl.c (start_struct): Don't create self-containing
155 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
157 * config/rs6000/rs6000-protos.h
158 (darwin_rs6000_special_round_type_align): New.
159 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
160 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
162 2006-10-31 Geoffrey Keating <geoffk@apple.com>
164 * toplev.c (compile_file): Call final_write_globals
165 even if there have been errors.
167 2006-10-31 Eric Christopher <echristo@apple.com>
168 Falk Hueffner <falk@debian.org>
170 * doc/extend.texi (__builtin_bswap32): Document.
171 (__builtin_bswap64): Ditto.
172 * doc/libgcc.texi (bswapsi2): Document.
174 * doc/rtl.texi (bswap): Document.
175 * optabs.c (expand_unop): Don't widen a bswap.
176 (init_optabs): Init bswap. Set libfuncs explicitly
177 for bswapsi2 and bswapdi2.
178 * optabs.h (OTI_bswap): New.
179 (bswap_optab): Ditto.
180 * genopinit.c (optabs): Handle bswap_optab.
181 * tree.h (tree_index): Add TI_UINT32_TYPE and
183 (uint32_type_node): New.
184 (uint64_type_node): Ditto.
185 * tree.c (build_common_tree_nodes_2): Initialize
186 uint32_type_node and uint64_type_node.
187 * builtins.c (expand_builtin_bswap): New.
188 (expand_builtin): Call.
189 (fold_builtin_bswap): New.
190 (fold_builtin_1): Call.
191 * fold-const.c (tree_expr_nonnegative_p): Return true
193 * builtin-types.def (BT_UINT32): New.
195 (BT_FN_UINT32_UINT32): Ditto.
196 (BT_FN_UINT64_UINT64): Ditto.
197 * builtins.def (BUILT_IN_BSWAP32): New.
198 (BUILT_IN_BSWAP64): Ditto.
199 * rtl.def (BSWAP): New.
200 * genattrtab.c (check_attr_value): New.
201 * libgcc2.c (__bswapSI2): New.
203 * libgcc2.h (__bswapSI2): Declare.
205 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
206 * simplify-rtx.c (simplify_const_unary_operation): Return
208 * libgcc-std.ver (__bwapsi2): Add.
210 * reload1.c (eliminate_regs_1): Add bswap.
211 (elimination_effects): Ditto.
212 * config/i386/i386.h (x86_bswap): New.
214 * config/i386/i386.c (x86_bswap): Set.
216 2006-10-31 Geoffrey Keating <geoffk@apple.com>
218 * coverage.c (coverage_checksum_string): Update comment.
219 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
220 of get_file_function_name.
221 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
222 of get_file_function_name_long.
223 * tree.c (get_file_function_name): Rename from
224 get_file_function_name_long; improve comment; handle 'I' and 'D'
225 specially when the target has ctor/dtor support; remove special
227 (get_file_function_name): Remove.
228 * tree.h (get_file_function_name): Rename from
229 get_file_function_name_long.
230 (get_file_function_name): Remove prototype.
232 2006-10-31 Geoffrey Keating <geoffk@apple.com>
234 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
235 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
237 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
238 Call dsymutil when compiling and linking one or more source files
241 2006-10-31 Geoffrey Keating <geoffk@apple.com>
244 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
246 2006-10-31 Geoffrey Keating <geoffk@apple.com>
248 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
249 inline static functions in c99 mode.
252 * doc/extend.texi (Inline): Update.
253 * c-tree.h (struct language_function): Remove field 'extern_inline'.
254 * c-decl.c (current_extern_inline): Delete.
255 (pop_scope): Adjust test for an undefined nested function.
256 Add warning about undeclared inline function.
257 (diagnose_mismatched_decls): Update comments. Disallow overriding
258 of inline functions in a translation unit in C99. Allow inline
259 declarations in C99 at any time.
260 (merge_decls): Boolize variables. Handle C99 'extern inline'
262 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
263 C99 inline semantics.
264 (start_function): Don't clear current_extern_inline. Don't set
266 (c_push_function_context): Don't push current_extern_inline.
267 (c_pop_function_context): Don't restore current_extern_inline.
270 * c-typeck.c (build_external_ref): Warn about static variables
271 used in extern inline functions.
272 * c-decl.c (start_decl): Warn about static variables declared
273 in extern inline functions.
275 2006-10-31 Roger Sayle <roger@eyesopen.com>
278 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
279 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
280 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
281 or y is an even integer.
283 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
286 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
287 * gthr-posix95.h (__gthread_active_p): Likewise.
289 2006-10-31 Richard Guenther <rguenther@suse.de>
291 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
292 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
293 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
294 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
295 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
296 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
297 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
298 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
301 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
303 * opts.c (decode_options): Disable CSE skip blocks.
305 2006-10-30 Dirk Mueller <dmueller@suse.de>
307 * c-common.h (strict_aliasing_warning): Fix whitespace.
308 * c-decl (start_function): Move code for main decl warning ..
309 * c-common.c (check_main_parameter_types): .. here.
310 * c-common.h (check_main_parameter_types): Declare.
312 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
315 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
317 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
319 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
320 be a PARALLEL containing sets. Return false when out_pat is not
323 2006-10-30 Richard Sandiford <richard@codesourcery.com>
325 * config/mips/mips.md (mul<mode>3): Split into...
326 (mulsi3, muldi3): ...these separate patterns.
328 2006-10-30 Richard Sandiford <richard@codesourcery.com>
330 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
331 but with each set of options separated by spaces.
333 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
335 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
336 dwarf_reg_size_table has been initialized.
338 2006-10-30 Roger Sayle <roger@eyesopen.com>
340 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
341 * ddg.c (print_ddg_edge): Likewise.
342 * dwarf2out.c (prune_unused_types_walk): Likewise.
343 * ifcvt.c (noce_try_cmove_arith): Likewise.
344 * langhooks.c (add_builtin_function): Likewise.
345 * reg-stack.c (subst_stack_regs_pat): Likewise.
346 * tree.c (expanded_location): Likewise.
347 * tree-dump.c (dequeue_and_dump): Likewise.
349 2006-10-30 David Daney <ddaney@avtrex.com>
351 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
353 2006-10-30 Jakub Jelinek <jakub@redhat.com>
355 PR tree-optimization/29637
356 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
357 of the innertype is the innertype itself.
359 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
361 * dwarf2out.c (file_name_acquire): Correct typo.
363 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
365 * tree.h (tree_value_handle): Remove struct value_set declaration.
366 Change value_set to bitmap_set.
367 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
368 * tree-vn.c (get_value_handle): Made inline and moved to
370 * tree-flow-inline.h: (has_stmt_ann): New function.
371 * tree-ssa-pre.c (expressions): New variable.
372 (next_expression_id): Ditto.
373 (alloc_expression_id): New function.
374 (struct value_set): Remove.
375 (get_expression_id): New function.
376 (get_or_alloc_expression_id): Ditto.
377 (expression_for_id): Ditto.
378 (clear_expression_ids): Ditto.
379 (FOR_EACH_EXPR_ID_IN_SET): New macro.
380 (bb_value_sets): Renamed to bb_bitmap_sets.
381 All value sets replaced with bitmap_sets.
383 (BB_VISITED): New macro.
384 (postorder): New variable.
385 (add_to_value): Removed.
386 (value_exists_in_set_bitmap): Ditto.
387 (value_insert_into_set_bitmap): Ditto.
391 (set_contains_value): Ditto.
392 (insert_into_set): Ditto.
394 (find_leader): Ditto.
395 (bitmap_set_subtract_from_value_set): Ditto.
396 (value_insert_into_set): Ditto.
397 (print_value_set): Ditto.
398 (debug_value_set): Ditto.
399 (constant_expr_p): New function.
400 (bitmap_remove_from_set): Ditto.
401 (bitmap_insert_into_set): Ditto.
402 (bitmap_set_free): Ditto.
404 (sorted_array_from_bitmap_set): Ditto.
405 (bitmap_set_subtract): Ditto.
406 (bitmap_set_equal): Ditto.
407 (debug_bitmap_set): Ditto.
408 (find_leader_in_sets): Ditto.
409 (bitmap_set_replace_value): Modify for bitmapped sets.
410 (phi_translate): Ditto.
411 (phi_translate_set): Ditto.
412 (bitmap_find_leader): Ditto.
413 (valid_in_sets): Ditto.
414 (union_contains_value): Ditto.
416 (compute_antic_aux): Ditto. Mark changed blocks.
417 (compute_antic): Ditto. Iterate in postorder and only over
419 (compute_rvuse_and_antic_safe): Reuse postorder.
420 (create_component_ref_by_pieces): Modify for bitmapped sets.
421 (find_or_generate_expression): Ditto.
422 (create_expression_by_pieces): Ditto.
423 (insert_into_preds_of_block): Ditto.
424 (changed_blocks): New variable.
425 (do_regular_insertion): Broken out from insert_aux.
426 (insert_aux): Modified for bitmapped sets.
427 (find_existing_value_expr): New function.
428 (create_value_expr_from): Use it.
429 (insert_extra_phis): Removed.
430 (print_bitmap_set): Renamed from bitmap_print_value_set.
431 (compute_avail): Handle RETURN_EXPR.
432 (init_pre): Modify for bitmapped sets.
433 * tree-flow.h (has_stmt_ann): New function.
435 2006-10-29 Roger Sayle <roger@eyesopen.com>
437 * builtins.c (fold_builtin_floor): Check for the availability of
438 the C99 trunc function before transforming floor into trunc.
440 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
442 * builtins.c (fold_builtin_hypot): Rearrange recursive
443 transformation before others, and also do ABS_EXPR. When
444 necessary, check flag_unsafe_math_optimizations. When necessary,
447 2006-10-29 Roger Sayle <roger@eyesopen.com>
449 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
450 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
451 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
452 Fold -X eq/ne -Y as X eq/ne Y.
454 2006-10-29 Richard Sandiford <richard@codesourcery.com>
456 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
457 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
458 rather than GENERATE_MULT3_SI in the various define_peephole2s.
459 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
460 Use an inclusive test for "mult" rather than "mul".
461 (rotr<mode>3): Depend on ISA_HAS_ROR.
462 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
464 (GENERATE_MULT3_DI): Delete.
465 (ISA_HAS_64BIT_REGS): Use consistent formatting.
466 (ISA_HAS_MUL3): New macro.
467 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
468 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
469 (ISA_HAS_CLZ_CLO): Likewise.
470 (ISA_HAS_DCLZ_DCLO): Delete.
471 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
472 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
473 the VR4120 and VR4130.
474 (ISA_HAS_MACCHI): Use consistent formatting.
475 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
476 (ISA_HAS_ROR): ...this new macro.
477 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
478 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
479 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
481 2006-10-29 Roger Sayle <roger@eyesopen.com>
483 PR tree-optimization/15458
484 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
487 2006-10-29 Richard Guenther <rguenther@suse.de>
489 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
490 (ix86_expand_truncdf_32): Likewise.
491 * config/i386/i386.c (ix86_expand_trunc): New function expanding
492 trunc inline for SSE math and -fno-trapping-math and if not
494 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
495 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
496 for expanding btrunc inline for SSE math.
498 2006-10-29 Joseph Myers <joseph@codesourcery.com>
500 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
501 Handle tuning for bi-arch i[34567]86-*-linux* like that for
502 i[34567]86-*-solaris2.1[0-9]*.
503 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
504 Define conditionally depending on TARGET_64BIT_DEFAULT.
505 (SPEC_32, SPEC_64): Define.
506 (LINK_SPEC): Use them.
507 * doc/install.texi (--enable-targets=all): Document for x86-linux.
509 2006-10-29 Richard Guenther <rguenther@suse.de>
511 * config/i386/i386-protos.h (ix86_expand_round): Declare.
512 (ix86_expand_rounddf_32): Likewise.
513 * config/i386/i386.c (ix86_expand_round): New function expanding
514 round inline for SSE math and -fno-trapping-math and if not
516 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
517 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
518 round via ix86_expand_round.
520 2006-10-29 Richard Guenther <rguenther@suse.de>
522 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
523 (ix86_expand_floorceildf_32): Likewise.
524 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
525 static helper function.
526 (ix86_expand_floorceil): Expander for floor and ceil to SSE
528 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
529 * config/i386/i386.md (floordf2): Adjust to enable floor
530 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
531 -fno-trapping-math is enabled and if not optimizing for size.
532 (floorsf2, ceildf2, ceilsf2): Likewise.
533 * config/i386/sse.md (sse_maskcmpsf3): New insn.
534 (sse2_maskcmpdf3): Likewise.
536 2006-10-29 Richard Guenther <rguenther@suse.de>
538 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
539 rint in case -fno-trapping-math is enabled.
540 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
541 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
542 (ix86_expand_sse_fabs): Likewise.
543 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
544 * config/i386/i386.md (rintdf2): Enable for SSE math if
545 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
548 2006-10-29 Richard Guenther <rguenther@suse.de>
550 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
551 to conversion optabs.
552 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
554 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
555 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
556 (lfloor_optab, lceil_optab): Adjust defines.
557 * builtins.c (expand_builtin_int_roundingfn): Adjust for
558 lfloor and lceil optabs now being conversion optabs.
559 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
560 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
561 New static helper function.
562 (ix86_expand_lfloorceil): New function to expand lfloor and
564 * config/i386/i386.md (lfloor<mode>2): Split into ...
565 (lfloorxf<mode>2): ... x87 variant
566 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
567 using ix86_expand_lfloorceil.
568 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
570 * doc/md.texi (lfloorMN, lceilMN): Document.
572 2006-10-29 Richard Sandiford <richard@codesourcery.com>
574 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
575 -mno-shared assembler option on mips targets.
576 * configure, config.in: Regenerate.
577 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
578 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
579 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
581 2006-10-29 Richard Sandiford <richard@codesourcery.com>
583 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
584 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
586 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
588 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
589 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
592 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
595 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
596 (fold_builtin_pow): Evaluate constant arguments at compile-time
598 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
599 (do_mpfr_ckconv): New helper function.
600 (do_mpfr_arg1): Use do_mpfr_ckconv.
603 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
606 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
607 (-fdump-rtl-sched): Rename to ..
608 (-fdump-rtl-sched1): here. Also fix file extension number.
610 2006-10-28 Richard Guenther <rguenther@suse.de>
612 * fold-const.c (maybe_canonicalize_comparison): Fix code
615 2006-10-28 Uros Bizjak <uros@kss-loka.si>
617 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
618 (NON_QI_REG_P): Use IN_RANGE.
619 (REX_INT_REGNO_P): Use IN_RANGE.
620 (FP_REGNO_P): Use IN_RANGE.
621 (SSE_REGNO_P): Use IN_RANGE.
622 (REX_SSE_REGNO_P): Use IN_RANGE.
623 (MMX_REGNO_P): Use IN_RANGE.
624 (STACK_REGNO_P): New macro.
625 (STACK_REG_P): Use STACK_REGNO_P.
626 (NON_STACK_REG_P): Use STACK_REGNO_P.
627 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
628 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
629 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
630 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
631 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
633 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
635 * except.h (output_function_exception_table): Add 'const char*' param.
636 * except.c (switch_to_exception_section): Add 'const char*' param.
637 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
638 and flag_function_sections is set, use a function-specific section.
639 (output_function_exception_table): Add 'const char*' param.
640 Adjust call to switch_to_exception_section.
641 * final.c (rest_of_handle_final): Adjust calls to
642 output_function_exception_table.
643 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
644 * config.in: Regenerate.
645 * configure: Likewise.
647 2006-10-28 Richard Guenther <rguenther@suse.de>
650 * fold-const.c (maybe_canonicalize_comparison_1): Helper
651 for maybe_canonicalize_comparison.
652 (maybe_canonicalize_comparison): New function for canonicalizing
654 (fold_comparison): Call it to canonicalize comparisons with
657 2006-10-28 Richard Guenther <rguenther@suse.de>
660 * builtins.c (expand_builtin_int_roundingfn_2): Expand
661 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
662 (expand_builtin): Adjust likewise.
663 * genopinit.c (optabs[]): Add lround optab.
664 * optabs.c (init_optabs): Initialize lround_optab.
665 * optabs.h (enum convert_optab_index): Add COI_lround.
666 (lround_optab): Define.
667 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
668 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
670 (ix86_expand_lround): New function.
671 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
673 * doc/md.texi (lroundMN2): Document.
675 2006-10-28 Uros Bizjak <uros@kss-loka.si>
678 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
679 argument to HOST_WIDE_INT. Update function prototype.
680 (round_frame_size): Change return type to HOST_WIDE_INT. Change
681 "size" argument to HOST_WIDE_INT. Update function prototype.
683 2006-10-28 Uros Bizjak <uros@kss-loka.si>
685 * config/i386/i386.c (output_387_ffreep): Create output from a
686 template string for !HAVE_AS_IX86_FFREEP.
688 2006-10-27 Eric Christopher <echristo@apple.com>
690 * config/darwin.c: Fix formatting and grammar.
692 2006-10-27 Jan Hubicka <jh@suse.cz>
694 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
695 to be thrown away soon when IGNORE is set.
696 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
697 indicating when return value shall not be computed.
698 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
700 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
702 * config/i386/i386.h (TARGET_GEODE):
703 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
704 (TARGET_CPU_DEFAULT_geode): New macro.
705 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
706 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
707 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
708 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
709 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
711 (TARGET_CPU_DEFAULT_NAMES): Add geode.
712 (processor_type): Add PROCESSOR_GEODE.
714 * config/i386/i386.md: Include geode.md.
717 * config/i386/i386.c (geode_cost): New initialized global
719 (m_GEODE, m_K6_GEODE): New macros.
720 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
721 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
722 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
723 x86_schedule): Use m_K6_GEODE instead of m_K6.
724 (x86_movx, x86_cmove): Set up m_GEODE.
725 (x86_integer_DFmode_moves): Clear m_GEODE.
726 (processor_target_table): Add entry for geode.
727 (processor_alias_table): Ditto.
729 * config/i386/geode.md: New file.
731 * doc/invoke.texi: Add entry about geode processor.
733 2006-10-27 Mike Stump <mrs@apple.com>
735 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
736 __DYNAMIC__ from here back to ...
737 * config/darwin.h (CPP_SPEC): ... here.
739 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
740 Nathan Sidwell <nathan@codesourcery.com>
742 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
743 when choosing the minimum heapsize.
745 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
747 * gcc/unwind-dw2.h: Move cfa-related variables into
748 struct frame_state_reg_info to ensure that the CFA is properly
749 handled when executing DW_CFA_{remember,restore}_state.
750 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
751 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
752 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
753 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
754 gcc/config/rs6000/linux-unwind.h,
755 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
756 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
757 Modify to use new cfa_* fields.
759 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
761 * config/s390/s390.c (s390_init_frame_layout): Check positive
764 2006-10-26 Ben Elliston <bje@au.ibm.com>
766 * gimplify.c (get_name): Remove extraneous break.
767 (gimplify_omp_for): Initialise ret with GS_OK.
769 2006-10-25 Steve Ellcey <sje@cup.hp.com>
771 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
772 Add unix98.o to link line.
774 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
777 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
778 Calculate compile-time constants using MPFR.
779 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
780 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
782 2006-10-25 Bob Wilson <bob.wilson@acm.org>
784 * config/xtensa/lib2funcs.S: Use C-style comments.
786 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
788 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
789 (file_table_relative_p): Likewise.
790 (dwarf2out_finish): Likewise.
791 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
793 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
795 * tree-ssa-structalias.c (intra_create_variable_infos):
796 Don't recreate nonlocal_all if it already exists.
798 2006-10-25 Richard Guenther <rguenther@suse.de>
801 * optabs.h (enum optab_index): Remove OTI_lrint.
802 (enum convert_optab_index): Add COI_lrint.
803 (lrint_optab): Adjust.
804 (expand_sfix_optab): Declare.
805 * optabs.c (expand_sfix_optab): New function.
806 (init_optabs): Init lrint_optab as conversion optab.
807 * genopinit.c (lrint_optab): Change to a conversion optab.
808 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
809 expansion via conversion optab.
810 * config/i386/i386.md (*fistdi2_1): Remove
811 flag_unsafe_math_optimizations guard.
812 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
813 fist<mode>2_with_temp): Likewise.
814 (lrint<mode>2): Split into...
815 (lrintxf<mode>2): ... x87 part
816 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
817 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
818 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
819 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
820 * doc/md.texi (lrintMN2): Document.
822 2006-10-25 Uros Bizjak <uros@kss-loka.si>
825 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
826 Use inc and dec instructions for TARGET_USE_INCDEC.
827 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
828 ("sync_double_compare_and_swap<mode>"): Likewise.
829 ("*sync_double_compare_and_swapdi_pic"): Likewise.
830 ("*sync_compare_and_swap_cc<mode>"): Likewise.
831 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
832 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
833 ("sync_old_add<mode>"): Likewise.
834 ("sync_lock_test_and_set<mode>"): Likewise.
835 ("sync_lock_test_and_set<mode>"): Likewise.
836 ("sync_add<mode>"): Likewise.
837 ("sync_sub<mode>"): Likewise.
838 ("sync_ior<mode>"): Likewise.
839 ("sync_and<mode>"): Likewise.
840 ("sync_xor<mode>"): Likewise.
842 2006-10-25 Uros Bizjak <uros@kss-loka.si>
844 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
845 (remainder_optab): Define corresponding macro.
846 (drem_optab): Remove.
847 * optabs.c (init_optabs): Initialize remainder_optab. Remove
848 drem_optab initialization.
849 * genopinit.c (optabs): Implement remainder_optab using
850 remainder?f3 patterns. Remove drem_optab.
851 * builtins.c (expand_builtin_mathfn_2): Handle
852 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
853 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
854 expand_builtin_mathfn_2.
856 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
857 depend on flag_unsafe_math_optimizations.
859 * config/i386/i386.md ("remaindersf3", "remainderdf3")
860 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
861 Do not depend on flag_unsafe_math_optimizations. Use
862 truncxf?f expander instead of truncxf?f_i387_noop.
864 ("fpremxf4", "fprem1xf4"): Do not depend on
865 flag_unsafe_math_optimizations.
866 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
867 flag_unsafe_math_optimizations. Use truncxf?f expander
868 instead of truncxf?f_i387_noop.
870 * doc/md.texi (fmod, remainder): Document standard named pattern.
872 2006-10-24 Richard Sandiford <richard@codesourcery.com>
873 David Daney <ddaney@avtrex.com>
876 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
878 2006-10-25 Ben Elliston <bje@au.ibm.com>
880 * doc/extend.texi (Variable Attributes): Typo fix.
882 2006-10-24 Uros Bizjak <uros@kss-loka.si>
884 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
885 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
886 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
887 (FRAME_POINTER_REGNUM): Update register number to 21.
888 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
889 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
891 * config/i386/i386.c (regclass_map): Add fpcr entry.
892 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
894 (print_reg): Assert REGNO (x) != FPCR_REG.
896 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
897 (DIRFLAG_REG): Renumber.
898 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
899 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
900 (sse_prologue_save, *sse_prologue_save_insn): Renumber
901 hardcoded SSE register numbers.
903 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
904 hardcoded MMX register numbers.
906 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
909 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
910 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
912 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
913 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
914 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
915 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
917 2006-10-24 Richard Guenther <rguenther@suse.de>
920 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
921 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
922 for deciding optimizations in consistency with fold-const.c
923 (fold_builtin_unordered_cmp): Likewise.
925 2006-10-24 Richard Guenther <rguenther@suse.de>
927 * builtins.c (fold_builtin_floor): Fold floor (x) where
928 x is nonnegative to trunc (x).
929 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
930 nonnegative to FIX_TRUNC_EXPR.
932 2006-10-24 Richard Guenther <rguenther@suse.de>
934 PR tree-optimization/29567
935 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
936 for TRUTH_NOT_EXPR. Clarify comments.
938 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
941 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
942 at compile-time using MPFR. Change parameter VALUE to FUNC,
944 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
945 for overflow and underflow at all times and avoid folding in
948 2006-10-24 Ben Elliston <bje@au.ibm.com>
950 * reload1.c: Formatting fixes.
952 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
954 PR tree-optimization/14784
955 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
956 * tree-ssa-structalias.c (get_constraint_for,
957 intra_create_variable_infos): Set is_heapvar.
958 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
959 non-heapvar pointer variables specially.
961 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
964 * builtins.c (fold_builtin_sin, fold_builtin_cos,
965 fold_builtin_tan): Fold all constant arguments. Take a "type"
966 argument as necessary.
968 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
970 2006-10-23 Bob Wilson <bob.wilson@acm.org>
972 * config/xtensa/lib1funcs.asm: Use C-style comments.
974 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
976 * tree.c (local_define_builtin): Replace calls to
977 lang_hooks.builtin_function with add_builtin_function.
978 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
980 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
982 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
983 common code to add_builtin_function.
984 * langhooks.c (add_builtin_function): New function.
985 (lhd_builtin_function): New function.
986 * langhooks.h (struct lang_hooks): Change the signature of
988 (add_builtin_function): New function.
989 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
990 calls to lang_hooks.builtin_function with add_builtin_function.
991 * c-common.c (decl_builtin_1): Replace calls to
992 lang_hooks.builtin_function with add_builtin_function.
993 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
994 lang_hooks.builtin_function with add_builtin_function.
995 * config/frv/frv.c (def_builtin): Replace calls to
996 lang_hooks.builtin_function with add_builtin_function.
997 * config/s390/s390.c (s390_init_builtins): Replace calls to
998 lang_hooks.builtin_function with add_builtin_function.
999 * config/sparc/sparc.c (def_builtin): Replace calls to
1000 lang_hooks.builtin_function with add_builtin_function.
1001 * config/i386/i386.c (def_builtin): Replace calls to
1002 lang_hooks.builtin_function with add_builtin_function.
1003 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1004 lang_hooks.builtin_function with add_builtin_function.
1005 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1006 lang_hooks.builtin_function with add_builtin_function.
1007 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1008 Replace calls to lang_hooks.builtin_function with
1009 add_builtin_function.
1010 * config/iq2000/iq2000.c (def_builtin):
1011 Replace calls to lang_hooks.builtin_function with
1012 add_builtin_function.
1013 * config/ia64/ia64.c (def_builtin): Replace calls to
1014 lang_hooks.builtin_function with add_builtin_function.
1015 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1016 lang_hooks.builtin_function with add_builtin_function.
1017 (altivec_init_builtins): Replace calls to
1018 lang_hooks.builtin_function with add_builtin_function.
1019 * config/arm/arm.c (def_mbuiltin): Replace calls to
1020 lang_hooks.builtin_function with add_builtin_function.
1021 (arm_init_tls_builtins): Replace calls to
1022 lang_hooks.builtin_function with add_builtin_function.
1023 * config/mips/mips.c (mips_init_builtins): Replace calls to
1024 lang_hooks.builtin_function with add_builtin_function.
1025 * config/bfin/bfin.c (def_builtin): Replace calls to
1026 lang_hooks.builtin_function with add_builtin_function.
1027 * langhooks-def.h (lhd_builtin_function): New function.
1028 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1030 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1032 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1033 BUILT_IN_STRNCAT_CHK.
1035 2006-10-23 Jan Hubicka <jh@suse.cz>
1037 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1038 don't do conversion from memmove to memcpy here.
1039 (expand_builtin_bcopy, expand_builtin): Update call of
1040 expand_builtin_memmove.
1041 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1043 2006-10-23 Paul Brook <paul@codesourcery.com>
1045 * stor-layout.c (start_record_layout): maximum_field_alignment
1046 overrides STRUCTURE_SIZE_BOUNDARY.
1048 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1050 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1051 nonlocal function symbols if flag_pic.
1053 2006-10-23 Richard Guenther <rguenther@suse.de>
1057 * builtins.c (fold_binary): Remove checks for flag_wrapv
1058 and flag_trapv where negate_expr_p covers these cases.
1060 2006-10-23 Richard Guenther <rguenther@suse.de>
1063 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1064 of two on the absolute value.
1065 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1066 and negating -C does not overflow.
1068 2006-10-23 Richard Guenther <rguenther@suse.de>
1071 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1072 only if not flag_rounding_math.
1074 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1075 Kaz Kojima <kkojima@gcc.gnu.org>
1078 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1079 SImode memory reference for the source of a movua.
1080 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1081 (movua): Use an unspec instead of sign_extract. Expect the source
1082 to have mode BLKmode.
1083 (extv, insv): Use a BLKmode rather than SImode memory reference
1084 for the source of a movua.
1086 2006-10-22 Jeff Law <law@redhat.com>
1087 Richard Guenther <rguenther@suse.de>
1089 PR tree-optimization/15911
1090 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1091 (register_edge_assert_for_1): Likewise.
1092 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1093 (find_conditional_asserts): Adjust for new function signature.
1094 (find_assert_locations): Likewise.
1096 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1098 * config/i386/tmmintrin.h: Remove the duplicated content.
1100 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1102 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1103 (x86_64-*-*): Likewise.
1105 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1106 (override_options): Check SSSE3.
1107 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1108 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1109 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1110 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1111 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1112 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1113 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1114 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1115 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1116 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1117 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1118 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1119 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1120 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1121 IX86_BUILTIN_PABSD128.
1122 (bdesc_2arg): Add SSSE3.
1123 (bdesc_1arg): Likewise.
1124 (ix86_init_mmx_sse_builtins): Support SSSE3.
1125 (ix86_expand_builtin): Likewise.
1126 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1128 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1129 (UNSPEC_PSIGN): Likewise.
1130 (UNSPEC_PALIGNR): Likewise.
1131 Include mmx.md before sse.md.
1133 * config/i386/i386.opt: Add -mssse3.
1135 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1136 (ssse3_phaddwv4hi3): Likewise.
1137 (ssse3_phadddv4si3): Likewise.
1138 (ssse3_phadddv2si3): Likewise.
1139 (ssse3_phaddswv8hi3): Likewise.
1140 (ssse3_phaddswv4hi3): Likewise.
1141 (ssse3_phsubwv8hi3): Likewise.
1142 (ssse3_phsubwv4hi3): Likewise.
1143 (ssse3_phsubdv4si3): Likewise.
1144 (ssse3_phsubdv2si3): Likewise.
1145 (ssse3_phsubswv8hi3): Likewise.
1146 (ssse3_phsubswv4hi3): Likewise.
1147 (ssse3_pmaddubswv8hi3): Likewise.
1148 (ssse3_pmaddubswv4hi3): Likewise.
1149 (ssse3_pmulhrswv8hi3): Likewise.
1150 (ssse3_pmulhrswv4hi3): Likewise.
1151 (ssse3_pshufbv16qi3): Likewise.
1152 (ssse3_pshufbv8qi3): Likewise.
1153 (ssse3_psign<mode>3): Likewise.
1154 (ssse3_psign<mode>3): Likewise.
1155 (ssse3_palignrti): Likewise.
1156 (ssse3_palignrdi): Likewise.
1157 (abs<mode>2): Likewise.
1158 (abs<mode>2): Likewise.
1160 * config/i386/tmmintrin.h: New file.
1162 * doc/extend.texi: Document SSSE3 built-in functions.
1164 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1166 2006-10-22 Ira Rosen <irar@il.ibm.com>
1168 * tree-vect-transform.c (vectorizable_load): Use the type of the
1169 return value of the mask_for_load builtin to create realign_load
1172 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1174 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1177 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1179 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1180 (UNSPEC_LDDQU): This.
1181 * config/i386/sse.md (sse3_lddqu): Updated.
1183 2006-10-21 Richard Guenther <rguenther@suse.de>
1185 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1186 (expand_builtin): Use it to expand lrint instead of
1187 expand_builtin_mathfn.
1189 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1192 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1193 flag_unsafe_math_optimizations is set.
1195 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1198 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1199 patterns to use memory input operand in x87->mem->XMM
1200 reload sequences. Skip transformation for TARGET_K8.
1202 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1204 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1205 force operand1 to register if both operands are memory operands.
1206 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1207 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1208 if both operands are memory operands.
1209 (truncdfsf2): Do not force operand1 to register if both operands
1210 are memory operands.
1212 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1214 * Makefile.in (LIBS): Add $(GMPLIBS).
1215 * doc/install.texi: Update GMP and MPFR requirements.
1216 * doc/sourcebuild.texi (need_gmp): Delete.
1218 2006-10-21 Richard Guenther <rguenther@suse.de>
1220 PR tree-optimization/3511
1221 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1222 got new invariant arguments during PHI translation.
1224 2006-10-21 Richard Guenther <rguenther@suse.de>
1227 * fold-const.c (fold_comparison): Fold signed comparisons
1228 of the form X +- C1 CMP Y +- C2.
1230 2006-10-21 Richard Guenther <rguenther@suse.de>
1233 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1234 if flag_unsafe_math_optimizations is specified. We have
1235 flag_finite_math_only for that.
1236 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1237 or flag_unsafe_math_optimizations.
1239 2006-10-21 Richard Guenther <rguenther@suse.de>
1241 * builtins.c (fold_builtin_classify): Fix typo.
1243 2006-10-21 Richard Guenther <rguenther@suse.de>
1246 * simplify-rtx.c (simplify_const_relational_operation):
1247 Do not constant-fold ORDERED and UNORDERED for
1248 flag_unsafe_math_optimizations but only we do not need to
1249 honor NaNs for the given mode.
1251 2006-10-21 Richard Guenther <rguenther@suse.de>
1254 * config/i386/i386.c (classify_argument): Remove redundant
1255 walking of the BINFOs.
1256 (contains_128bit_aligned_vector_p): Likewise.
1258 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1260 * BASE-VER: Set to 4.3.0.
1262 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1264 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1265 (tree_decl_with_vis): Remove artificial_pta_var flag.
1266 * tree-flow.h (referenced_var_check_and_insert): Expose.
1267 (nonlocal_all): New prototype.
1268 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1269 (nonlocal_all): Make global.
1270 (nonlocal_lookup): Remove.
1271 (nonlocal_insert): Ditto.
1272 (create_nonlocal_var): Do not call nonlocal_insert.
1273 (get_nonlocal_id_for_type): Remove.
1274 (find_global_initializers): Mark new vars we find for renaming.
1275 (intra_create_variable_infos): Only create one nonlocal.
1276 (expand_nonlocal_solutions): Remove.
1277 (compute_points_to_sets): Don't call it.
1278 (ipa_pta_execute): Ditto.
1279 (init_alias_heapvars): Don't create nonlocal_for_type.
1280 (delete_alias_heapvars): Don't remove it.
1281 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1284 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1286 * doc/install.texi (Downloading GCC): Clarify mention of
1287 Fortran in the "full distribution" description.
1289 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1291 Fix PR tree-optimization/28778
1292 Fix PR tree-optimization/29156
1293 Fix PR tree-optimization/29415
1294 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1295 (tree_decl_with_vis): Add artificial_pta_var flag.
1296 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1297 pushed into callers.
1298 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1299 (nonlocal_all): Ditto.
1300 (struct variable_info): Add directly_dereferenced member.
1301 (var_escaped_vars): New variable.
1302 (escaped_vars_tree): Ditto.
1303 (escaped_vars_id): Ditto.
1304 (nonlocal_vars_id): Ditto.
1305 (new_var_info): Set directly_dereferenced.
1306 (graph_size): New variable
1307 (build_constraint_graph): Use graph_size.
1308 (solve_graph): Don't process constraints that cannot change the
1309 solution, don't try to propagate an empty solution to our
1311 (process_constraint): Set directly_dereferenced.
1312 (could_have_pointers): New function.
1313 (get_constraint_for_component_ref): Don't process STRING_CST.
1314 (nonlocal_lookup): New function.
1315 (nonlocal_insert): Ditto.
1316 (create_nonlocal_var): Ditto.
1317 (get_nonlocal_id_for_type): Ditto.
1318 (get_constraint_for): Allow results vector to be empty in the case
1319 of string constants.
1320 Handle results of calls properly.
1321 (update_alias_info): Update alias info stats on number and type of
1323 (find_func_aliases): Use could_have_pointers.
1324 (make_constraint_from_escaped): Renamed from
1325 make_constraint_to_anything, and changed to make constraints from
1327 (make_constraint_to_escaped): New function.
1328 (find_global_initializers): Ditto.
1329 (create_variable_info_for): Make constraint from escaped to any
1330 global variable, and from any global variable to the set of
1332 (intra_create_variable_infos): Deal with escaped instead of
1333 pointing to anything.
1334 (set_uids_in_ptset): Do type pruning on directly dereferenced
1336 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1337 (init_base_vars): Fix comment, and initialize escaped_vars.
1338 (need_to_solve): Removed.
1339 (find_escape_constraints): New function.
1340 (expand_nonlocal_solutions): Ditto.
1341 (compute_points_to_sets): Call find_escape_constraints and
1342 expand_nonlocal_solutions.
1343 (delete_points_to_sets): Don't fall off the end of the graph.
1344 (init_alias_heapvars): Initialize nonlocal_for_type and
1346 (delete_alias_heapvars): Free nonlocal_for_type and null out
1349 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1351 * fold-const.c (add_double): Rename to add_double_with_sign.
1352 Add 'unsigned_p' parameter and take it into account for the overflow.
1353 (mul_double): Rename to mul_double_with_sign.
1354 Add 'unsigned_p' parameter and take it into account for the overflow.
1355 (fold_div_compare): Call add_double_with_sign instead of add_double
1356 and mul_double_with_sign instead of mul_double, passing them the
1357 unsignedness of the type.
1358 * tree.h (add_double): Macroize.
1359 (add_double_with_sign): New prototype.
1360 (mul_double): Macroize.
1361 (mul_double_with_sign): New prototype.
1363 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1365 * config/score/crti.asm: New file.
1366 * config/score/crtn.asm: New file.
1367 * config/score/elf.h: New file.
1368 * config/score/mac.md: New file.
1369 * config/score/misc.md: New file.
1370 * config/score/mul-div.S: New file.
1371 * config/score/predicates.md: New file.
1372 * config/score/score7.md: New file.
1373 * config/score/score.c: New file.
1374 * config/score/score-conv.h: New file.
1375 * config/score/score.h: New file.
1376 * config/score/score.md: New file.
1377 * config/score/score-mdaux.c: New file.
1378 * config/score/score-mdaux.h: New file.
1379 * config/score/score-modes.def: New file.
1380 * config/score/score.opt: New file.
1381 * config/score/score-protos.h: New file.
1382 * config/score/score-version.h: New file.
1383 * config/score/t-score-elf: New file.
1384 * config.gcc: Add score*-*-* configurations(Update before).
1385 * doc/invoke.texi (Score Options): New section.
1386 * doc/md.texi (Score family): New section to document constraints.
1388 2006-10-19 Nick Clifton <nickc@redhat.com>
1390 * config/arm/arm.c: Fix spelling typo.
1392 2006-10-18 Tom Tromey <tromey@redhat.com>
1394 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1396 2006-10-18 Jan Hubicka <jh@suse.cz>
1399 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1402 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1404 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1405 TSI_SAME_STMT, since that's the desired entity.
1407 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1409 * config/s390/contraints.md: New file.
1410 * config/s390/s390-protos.h (s390_mem_constraint,
1411 s390_O_constraint_str, s390_N_constraint_str,
1412 s390_float_const_zero_p): Function prototypes added.
1413 * config/s390/s390.c (s390_extra_constraint_str,
1414 s390_const_double_ok_for_constraint_p,
1415 s390_const_ok_for_constraint_p): Functions removed.
1416 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1417 s390_float_const_zero_p): New functions.
1418 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1419 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1420 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1421 Macro definitions removed.
1422 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1423 s390_extra_constraint_str): Functions removed.
1425 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1426 Richard Sandiford <richard@codesourcery.com>
1429 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1430 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1432 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1434 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1435 (DWARF2_FRAME_REG_OUT): Likewise.
1436 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1437 (DWARF2_FRAME_REG_OUT): Likewise.
1439 2006-10-17 Paul Brook <paul@codesourcery.com>
1441 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1443 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1445 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1446 Standardize on "GNU Fortran" as the official name of the Fortran
1449 2006-10-16 Mike Stump <mrs@apple.com>
1451 * doc/invoke.texi (Darwin Options): Document -mkernel.
1452 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1454 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1455 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1456 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1457 (OS_MISSING_ALTIVEC): Add.
1458 * config/i386/i386.c (override_options): Add
1459 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1460 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1461 -mkernel, -static or -mdynamic-no-pic is given.
1462 (C_COMMON_OVERRIDE_OPTIONS): Add.
1463 * config/darwin.opt (fapple-kext): Add.
1465 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1466 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1468 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1469 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1470 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1471 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1472 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1473 (flag_mkernel): Add.
1474 (flag_apple_kext): Add.
1475 (TARGET_KEXTABI): Add.
1476 * config/darwin.c (darwin_handle_kext_attribute): Add.
1477 (DARWIN_VTABLE_P): Add.
1478 (darwin_binds_local_p): Add partial support for rebinding vtables
1480 (darwin_kextabi_p): Add.
1481 (darwin_override_options): Add.
1482 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1483 (darwin_kextabi_p): Add.
1484 (darwin_override_options): Add.
1485 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1486 __DYNAMIC__ and __STATIC__ here.
1488 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1490 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1491 Added mention of "make pdf" target, and Texinfo requirements for
1494 2006-10-16 DJ Delorie <dj@redhat.com>
1496 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1497 into the GOT in case we need a subreg of the address.
1499 2006-10-16 Richard Guenther <rguenther@suse.de>
1502 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1503 SSE builtin documentation. Document SSE2 builtins.
1505 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1507 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1508 symbol in the output file for non-shared links when -nostdlib or
1509 -nodefaultlibs isn't specified.
1511 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1512 posix thread support.
1514 2006-10-15 Jan Hubicka <jh@suse.cz>
1517 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1518 declared always_inline even when not inlining.
1520 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1521 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1522 Andrew Pinski <pinskia@gmail.com>
1525 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1527 2006-10-15 Jan Hubicka <jh@suse.cz>
1528 Richard Guenther <rguenther@suse.de>
1531 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1532 process_function_and_variable_attributes on all variables, including
1533 those discovered during cgraph construction phase.
1535 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1537 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1539 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1541 * config/i386/athlon.md (athlon_fist): Add fisttp.
1543 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1544 Ian Lance Taylor <ian@airs.com>
1547 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1548 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1551 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1553 * config/score/score.c, config/score/score.h: Fix comment
1556 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1559 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1562 2006-10-13 Eric Christopher <echristo@apple.com>
1564 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1566 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1569 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1570 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1571 alignment supported by 32-bit ELF.
1573 2006-10-13 Eric Christopher <echristo@apple.com>
1575 * config/darwin.c (darwin_emit_unwind_label): Strip
1576 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1578 2006-10-13 Richard Guenther <rguenther@suse.de>
1580 PR tree-optimization/29446
1581 * tree-vrp.c (fix_equivalence_set): Remove.
1582 (extract_range_from_assert): Do not call fix_equivalence_set.
1583 (debug_value_range): Print a newline.
1584 (compare_name_with_value): For equivalence sets with
1585 inconsistent value ranges conservatively bail out.
1586 (compare_names): Likewise.
1588 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1590 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1591 and MPFR for gfortran.
1593 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1595 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1596 alignment supported by 32-bit ELF.
1598 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1602 * c-typeck.c (digest_init): Always allow initializing vectors
1603 that have static storage duration with compound literals.
1604 * tree.c (build_type_attribute_qual_variant): New, based on
1605 build_type_attribute_variant.
1606 (build_type_attribute_variant): Rewrite using the former.
1607 (make_vector_type): Use build_type_attribute_qual_variant to build
1608 type variants. Use type_hash_canon on the others.
1610 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1611 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1613 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1615 2006-10-12 Jan Hubicka <jh@suse.cz>
1618 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1619 current_function_decl is set but current_function_scope is not.
1621 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1623 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1624 emit_insn to emit eh_return_internal instruction.
1625 (eh_return_internal): Explicitly set pc.
1627 2006-10-11 Richard Guenther <rguenther@suse.de>
1629 PR tree-optimization/28230
1630 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1631 to the correct place.
1633 2006-10-11 Richard Guenther <rguenther@suse.de>
1636 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1639 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1641 * configure.ac: Added pdf to "Make-hooks"
1642 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1643 targets and *.pdf file patterns in cleanup targets.
1644 * configure: Regenerated.
1646 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1648 * config/avr/predicates.md: New file.
1649 * config/avr/avr.md: Include it.
1650 (REG_SP): New constant.
1651 (peepholes): Use predicates.
1652 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1653 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1654 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1656 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1658 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1661 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1664 * builtins.c (var_decl_component_p): New function.
1665 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1666 single entry optimization to variables and components thereof.
1668 2006-10-10 Richard Guenther <rguenther@suse.de>
1670 PR rtl-optimization/29323
1671 * except.c (set_nothrow_function_flags): For functions
1672 that do not bind local bail out early.
1674 2006-10-10 Ben Elliston <bje@au.ibm.com>
1676 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1679 2006-10-09 Richard Henderson <rth@redhat.com>
1681 Revert emutls patch.
1683 2006-10-09 Richard Guenther <rguenther@suse.de>
1686 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1689 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1692 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1693 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1694 * configure: Regenerate.
1695 * config.in: Regenerate.
1697 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1699 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1701 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1703 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1704 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1705 Remove stray newline.
1707 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1709 * config/mips/mips.c (mips_classify_symbol): Do not return
1710 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1711 (mips_in_small_data_p): Tweak comments.
1713 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1715 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1717 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1719 * gimplify.c, sched-int.h: Fix comment typos.
1721 * sched-int.h: Fix comment typos.
1723 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1725 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1727 * sched-ebb.c (begin_schedule_ready): Use them.
1728 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1729 add_to_speculative_block, create_check_block_twin, speculate_insn,
1730 fix_jump_move, move_block_after_check): Ditto.
1731 * sched-rgn.c (new_ready): Ditto.
1733 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1735 PR rtl-optimization/29128
1736 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1737 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1738 allow interblock movement of speculation checks.
1740 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1743 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1744 casted to integer type.
1745 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1746 if they are significantly more expensive than [reg + index] ones.
1748 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1750 PR tree-optimization/29330
1751 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1752 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1753 on newly allocated ddrs.
1754 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1755 to VEC (loop_p, heap) pointer.
1756 (compute_data_dependences_for_loop): Adjust caller.
1757 (free_dependence_relations): Free DDR_LOOP_NEST.
1759 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1760 free DEPENDENCE_RELATIONS and DATAREFS.
1763 * builtins.c (expand_builtin_sync_operation,
1764 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1765 Use convert_to_mode to handle promoted arguments.
1767 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1769 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1771 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1773 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1775 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1777 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1778 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1779 Use <modeconstraint> instead of "r" as operand 1 constraint.
1781 2006-10-06 Olivier Hainque <hainque@adacore.com>
1783 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1784 Don't recurse on the pointed-to type.
1785 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1786 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1787 types with components of variable size.
1789 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1791 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1793 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1795 PR tree-optimization/29290
1796 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1800 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1801 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1804 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1805 the number of vector elements fill the rest with zeros.
1807 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1809 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1810 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1813 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1815 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1816 unnamed pattern into subsi3. Use correct constraints/predicates.
1817 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1818 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1820 2006-10-05 Ira Rosen <irar@il.ibm.com>
1822 * doc/loop.texi: Add data references analysis description.
1824 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1826 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1828 2006-10-04 Richard Henderson <rth@redhat.com>
1829 Jakub Jelinek <jakub@redhat.com>
1831 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1832 * builtin-types.def (BT_WORD): Make unsigned.
1833 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1834 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1835 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1836 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1837 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1838 * cgraph.c (decide_is_variable_needed): Look at force_output.
1839 Recurse for emulated tls.
1840 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1841 checks redundant with decide_is_variable_needed.
1842 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1843 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1845 * expr.c (emutls_var_address): New.
1846 (expand_expr_real_1): Expand emulated tls.
1847 (expand_expr_addr_expr_1): Likewise.
1848 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1849 * output.h (emutls_finish): Declare.
1850 * toplev.c (compile_file): Call it.
1851 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1852 address before wrapping in CONST.
1853 * varasm.c (emutls_htab, emutls_object_type): New.
1854 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1855 (get_emutls_object_name, get_emutls_object_type): New.
1856 (get_emutls_init_templ_addr, emutls_decl): New.
1857 (emutls_common_1, emutls_finish): New.
1858 (assemble_variable): When emulating tls, swap decls; generate
1859 constructor for the emutls objects.
1860 (do_assemble_alias): When emulating tls, swap decl and target name.
1861 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1863 * emutls.c: New file.
1864 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1865 tls_object for real tls.
1867 2006-10-04 Zack Weinberg <zackw@panix.com>
1869 Fix bug in constraint-check generator, reported by Rask Ingemann
1871 * genpreds.c (add_constraint): Don't remove anything from the
1873 (write_tm_constrs_h): Detect whether "op" argument is used, and
1874 mark it ARG_UNUSED if it isn't.
1875 (write_insn_const_int_ok_for_constraint): Skip the part of the
1876 expression that would test whether "op" (which is not available
1877 here) is a CONST_INT.
1879 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1882 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1884 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1886 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1887 current Leopard versions.
1888 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1890 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1892 * doc/install.texi: Fix typos.
1894 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1896 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1897 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1898 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1900 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1902 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1903 arg to be struct mach_header_64* instead.
1905 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1908 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1909 side effects after the outer expression's post side effects.
1911 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1913 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1914 comments to reflect actual behavior and relationship between
1915 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1917 * doc/c-tree.texi (Working with declarations): Fix documentation
1918 of FIELD_DECL likewise.
1920 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1923 * doc/extend.texi: Add used variable attribute description.
1925 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1928 * c.opt (Woverride-init): New.
1929 * c-opts.c (c_common_post_options): Default warn_override_init to
1931 * c-typeck.c (add_pending_init, output_init_element): Warn for
1932 overriding initializers without side effects.
1933 * doc/invoke.texi (-Woverride-init): Document.
1936 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1938 PR rtl-optimization/28096
1939 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1940 assignment has already been used as a destination earlier in the block.
1942 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1944 * builtins.c (expand_builtin_setjmp): Delete.
1945 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1946 <BUILT_IN_SETJMP_SETUP>: New case.
1947 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1948 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1949 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1950 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1951 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1952 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1953 (lower_function_body): Initialize it to false. If it is set to true
1954 at the end of the processing, emit the setjmp dispatcher.
1955 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1956 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1957 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1958 on the rhs of the assignment.
1959 (lower_builtin_setjmp): New function.
1960 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1961 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1962 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1963 to detect calls that can go to non-local labels. Use specific
1964 helper to create the abnormal edges associated with them.
1965 <MODIFY_EXPR>: Likewise.
1966 (make_abnormal_goto_edges): New function extracted from...
1967 (make_goto_expr_edges): ...here. Call it for computed gotos.
1968 (simple_goto_p): Minor tweak.
1969 (tree_can_make_abnormal_goto): New predicate.
1970 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1971 (tree_purge_dead_abnormal_call_edges): New function.
1972 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1973 (tree_purge_dead_abnormal_call_edges): Likewise.
1974 (make_abnormal_goto_edges): Likewise.
1975 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1976 Purge all dead abnormal edges if the call was in the last statement.
1977 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1978 (execute_fixup_cfg): If there are non-local labels in the function,
1979 scan the basic blocks and split them at calls that can go to non-local
1980 labels or add missing abnormal call edges. Write down the CFG in the
1982 (pass_fixup_cfg): Remove TODO_dump_func flag.
1983 * unwind-sjlj.c: Poison setjmp.
1984 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1985 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1986 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1987 (DONT_USE_BUILTIN_SETJMP): Document it.
1989 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1992 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1993 to 1 when __ppc64__ is defined.
1994 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1996 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1998 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2000 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2001 * config/ia64/unwind-hpux.c: Delete.
2003 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2005 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2006 on the element before gimplifying it, instead of punting if it is of
2009 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2011 * doc/loop.texi: New file.
2012 * doc/gccint.texi: Reference loop.texi.
2013 * Makefile.in (loop.texi): Add.
2015 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2017 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2019 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2020 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2022 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2024 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2026 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2028 * doc/install.texi: Document required versions of GMP and MPFR.
2030 2006-09-27 Paul Brook <paul@codesourcery.com>
2033 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2035 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2037 * reload1.c (alter_reg): Require the alignment of the stack slot to
2038 be at least reg_max_ref_width bytes.
2039 (scan_paradoxical_subregs): Record the largest width in
2042 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2046 * tree-nested.c (struct nesting_info): Added static_chain_added.
2047 (convert_call_expr): Set static_chain_added when adding static
2048 chain. Handle OMP_PARALLEL and OMP_SECTION.
2050 2006-09-25 Matthias Klose <doko@debian.org>
2052 * doc/invoke.texi: Add missing full stop.
2054 2006-09-25 Richard Henderson <rth@redhat.com>
2056 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2057 before cgraph_function_flags_ready.
2059 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2060 Adam Nemet <anemet@caviumnetworks.com>
2062 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2063 determine_common_wider_type): New functions.
2064 (get_computation_aff): Use them to simplify arithmetic between
2065 UBASE and CBASE if they are shortened from the same type.
2067 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2070 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2071 -2147483647 - 1 instead of 0x80000000.
2073 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2075 * flags.h (HONOR_NANS): Fix typo in comment.
2077 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2079 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2081 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2085 * tree.c (merge_attributes, attribute_list_contained): If both
2086 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2088 * c-typeck.c (comptypes_internal): Don't consider aggregates
2089 in different TUs as compatible if there one set of attributes is
2090 not a subset of the other type's attributes.
2091 (composite_type): Try harder not to create a new aggregate type.
2093 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2095 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2096 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2097 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2098 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2099 than replicating condition above.
2100 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2102 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2103 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2104 the linker by default.
2106 2006-09-22 Mike Stump <mrs@apple.com>
2108 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2111 2006-09-22 Richard Guenther <rguenther@suse.de>
2114 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2115 sort of stack variables stable.
2117 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2120 * explow.c (force_reg): Set REG_POINTER flag according to
2123 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2125 PR tree-optimization/28888
2126 * tree-if-conv.c (combine_blocks): Rewritten.
2127 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2128 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2130 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2132 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2135 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2137 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2139 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2141 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2143 2006-09-21 Roger Sayle <roger@eyesopen.com>
2146 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2147 dw_fde_current_label, to be the start of the function, i.e. the same
2148 value as dw_fde_begin.
2150 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2152 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2153 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2154 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2155 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2156 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2157 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2158 (abs<mode>2, neg<mode>2): Likewise.
2159 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2160 (*mips_abs_ps): New define_insn.
2162 2006-09-20 Josh Conner <jconner@apple.com>
2165 * calls.c (expand_call): Allow reuse of structure return stack
2168 2006-09-20 Paul Brook <paul@codesourcery.com>
2170 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2173 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2175 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2176 clean up terminology.
2178 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2181 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2182 with tablejumps in them.
2184 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2187 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2188 wrap it into TARGET_EXPR.
2190 2006-09-20 Eric Christopher <echristo@apple.com>
2192 * config/i386/i386.c (x86_fisttp): Remove.
2193 * config/i386/i386.h (x86_fisttp): Ditto.
2194 (TARGET_FISTTP): Ditto.
2196 2006-09-19 Eric Christopher <echristo@apple.com>
2198 * doc/tm.texi (OBJC_JBLEN): Describe.
2199 * config/i386/darwin.h (OBJC_JBLEN): Define.
2200 * config/rs6000/darwin.h: Ditto.
2202 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2204 PR rtl-optimization/21299
2205 * reload1.c (reload): Purge invalid ASMs in the final pass.
2207 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2210 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2211 pointers as legitimate constants.
2213 2006-09-19 Paul Brook <paul@codesourcery.com>
2216 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2218 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2220 PR tree-optimization/28887
2221 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2222 component parts from the reference.
2223 (gather_memory_references_ref): Record the reference without the
2224 nonaddressable component parts.
2226 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2229 * c-opts.c (c_common_handle_option): Ignore the -std options
2230 if the input language is assembly.
2232 2006-09-17 Ira Rosen <irar@il.ibm.com>
2235 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2237 (ptr_ptr_may_alias_p): Likewise.
2238 (record_record_differ_p): New function.
2239 (base_object_differ_p): Call record_record_differ_p.
2241 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2244 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2245 away for the expr argument.
2247 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2250 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2251 before using it for dumping after vectorizing loops.
2253 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2254 Jack Howarth <howarth@bromo.med.uc.edu>
2257 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2258 skip on error_mark_node.
2259 (rs6000_darwin64_record_arg_recurse): Likewise.
2261 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2263 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2264 * doc/rtl.texi: Remove related documentation.
2266 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2268 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2271 2006-09-15 Jim Wilson <wilson@specifix.com>
2273 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2274 Handle symbol offsets same as they are handled in ia64_expand_move
2277 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2279 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2280 Add forgotten parameter to the fprintf call.
2282 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2284 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2286 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2288 * doc/contrib.texi: Add my entry.
2290 2006-09-15 Nick Clifton <nickc@redhat.com>
2292 * doc/md.texi (Processor pipeline description): Fix typo in
2293 example of how to use the absence_set directive and reword the
2294 description to make it slightly easier to read.
2296 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2298 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2299 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2300 expanding the number of iterations.
2301 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2303 * cfgrtl.c (emit_insn_at_entry): New function.
2304 * rtl.h (emit_insn_at_entry): Declare it.
2305 * integrate.c (emit_initial_value_sets): Use it.
2307 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2309 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2311 (struct loop_work and related VEC declarations): Delete.
2312 (bfin_dump_loops): Print out new member bad.
2313 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2314 (bfin_scan_loop): Don't recurse.
2315 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2316 loops. No longer need to update outer loops if the current one is
2317 found bad. Move some validitiy checks to bfin_discover_loop.
2318 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2319 but changed not to check for nesting. Also changed to use the new bad
2321 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2322 time. Use bitmap based test to discover loop nesting.
2324 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2326 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2329 2006-09-14 Richard Guenther <rguenther@suse.de>
2330 Kazu Hirata <kazu@codesourcery.com>
2332 PR middle-end/28884.
2333 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2334 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2335 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2336 with TARGET_FUNCTION_VALUE.
2338 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2341 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2343 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2345 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2348 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2351 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2354 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2356 * basic_block.h (bb_has_eh_pred): Fix comment.
2358 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2360 * flow.c (calculate_global_regs_live): Invalidate eh registers
2361 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2362 (propagate_block): Handle eh registers as if they were set at basic
2364 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2366 * global.c (global_conflicts): Make eh registers to conflict with
2367 pseudos live at basic block begin.
2368 * basic_block.h (bb_has_eh_pred): New function.
2370 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2372 PR rtl-optimization/28982
2373 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2374 index of a PRE_MODIFY or POST_MODIFY address.
2375 * reload1.c (inc_for_reload): Use find_replacement on the original
2376 base and index registers.
2378 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2380 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2381 for -Os. Update __m128 alignment requirement.
2383 2006-09-13 Jan Hubicka <jh@suse.cz>
2385 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2387 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2389 PR rtl-optimization/28243
2390 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2391 the insn to which the note was originally attached.
2393 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2394 Roger Sayle <roger@eyesopen.com>
2396 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2397 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2398 on platforms that don't use dwarf for debug info.
2400 2006-09-12 Jason Merrill <jason@redhat.com>
2403 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2404 hard_frame_pointer_rtx after using it to update the frame pointer.
2406 2006-09-12 Roger Sayle <roger@eyesopen.com>
2408 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2409 (TARGET_ASM_CLOSE_PAREN): Likewise.
2410 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2411 (TARGET_ASM_CLOSE_PAREN): Likewise.
2413 2006-09-12 Roger Sayle <roger@eyesopen.com>
2416 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2417 frame information for frames larger than 512 Kbytes on Tru64 when
2418 using the native assembler.
2420 2006-09-12 Roger Sayle <roger@eyesopen.com>
2424 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2425 and symbols. Instead use the implementation from cse.c's hash_rtx.
2427 2006-09-12 Jan Hubicka <jh@suse.cz>
2429 PR rtl-optimization/28071
2430 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2431 (vect_transform_loop): Likewise.
2432 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2433 (new_loop_vec_info): Likewise.
2434 (destroy_loop_vec_info): Likewise.
2435 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2436 (create_stmt_ann): Likewise.
2437 (create_tree_ann): Rename to ...
2438 (create_tree_common_ann): ... this one; allocate only the common part
2440 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2441 (get_value_handle): Likewise.
2442 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2443 get_tree_common_ann.
2444 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2445 (vinfo_for_stmt): Use stmt annotations.
2446 * tree-flow.h (tree_ann_common_t): New type.
2447 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2448 (tree_ann, get_tree_ann, create_tree_ann): New.
2449 * tree-flow-inline.h (get_function_ann): Do more type checking.
2450 (stmt_ann): Likewise.
2451 (tree_ann): Rename to ...
2452 (tree_common_ann): ... this one; return ony common_ann
2453 (get_tree_ann): Rename to ...
2454 (tree_common_ann): This one; return only common_ann.
2455 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2458 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2460 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2461 with_cpu by default.
2463 * dwarf2out.c (dwarf_file_data): New.
2464 (enum dw_val_class): Add dw_val_class_file.
2465 (struct dw_val_struct): Add val_file.
2466 (file_table): Change to a hash table.
2467 (file_table_emitted): Delete.
2468 (file_table_last_lookup_index): Delete.
2469 (emitcount): Delete.
2470 (last_emitted_file): New.
2471 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2472 (init_file_table): Delete.
2473 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2474 (AT_addr): Add comment.
2478 (print_die): Handle dw_val_class_file.
2479 (print_dwarf_line_table): Update for new file table structure.
2480 (attr_checksum): Do checksum a filename.
2481 (same_dw_val_p, same_attr_p): Do compare a filename.
2482 (size_of_die): Handle dw_val_class_file.
2483 (value_format): Likewise.
2484 (output_die): Likewise. Also, call maybe_emit_file here.
2485 (struct file_info): Constify filenames. Make file_idx a pointer
2486 to a struct dwarf_file_data.
2487 (struct dir_info): Constify directory names. Remove 'used' field.
2488 (struct file_name_acquire_data): New.
2489 (file_name_acquire): New.
2490 (output_file_names): Modify to handle new file data structures.
2491 (add_src_coords_attributes): Use add_AT_file.
2492 (add_call_src_coords_attributes): Likewise.
2493 (dwarf2out_imported_module_or_decl): Likewise.
2494 (gen_subprogram_die): Modify for new file data structures.
2495 (gen_variable_die): Likewise.
2496 (file_table_eq): New.
2497 (file_table_hash): New.
2498 (file_table_last_lookup): New.
2499 (lookup_filename): Rewrite to handle new file data structures.
2500 (maybe_emit_file): Rewrite to handle new file data structures.
2501 (dwarf2out_source_line): Always call lookup_filename and
2503 (dwarf2out_init): Create file_table here.
2504 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2505 (file_table_relative_p): New.
2506 (dwarf2out_finish): Change detection of relative filenames
2507 to work with new file data structures. Move output_line_info call
2508 after debug_info output.
2510 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2515 * config/i386/i386.c (override_options): Always default to 16
2516 byte stack boundary.
2518 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2521 * var-tracking.c (dump_dataflow_set): Start dumping at
2523 (clobber_variable_part): Kill only the variable part in
2524 registers holding it, leaving other variables alone.
2526 2006-09-11 Josh Triplett <josh@freedesktop.org>
2528 * doc/extend.texi (Other Builtins): Actually use the macro
2529 argument in the documentation example for
2530 __builtin_types_compatible_p.
2532 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2534 PR rtl-optimization/28726
2535 * sched-deps.c (sched_analyze_reg): New function extracted from...
2536 (sched_analyze_1): ...here. Call it to analyze references to
2537 registers. Treat again writes to a stack register as writing to the
2539 (sched_analyze_2): ...and here. Call it to analyze references to
2540 registers. Treat again reads of a stack register as reading the
2543 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2544 David Edelsohn <edelsohn@gnu.org>
2547 * config/rs6000/spe.md (frob_df_di): Remove %H.
2548 (frob_di_df): Remove %H. Change evmergelo to mr.
2549 (frob_di_df_2): Remove %H. Change evldd to two loads.
2551 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2553 * doc/cpp.texi: Fix names of charset options.
2555 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2558 * config/i386/i386.c (override_options): Use 128-bit
2559 stack boundary always for 64bits.
2561 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2563 PR rtl-optimization/28636
2564 * combine.c (force_to_mode): Test for side-effects before
2565 substituting by zero.
2566 (simplify_shift_const): Likewise for zero or other constants.
2568 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2571 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2574 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2577 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2578 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2579 returned by mode_for_size, rather than the mode of src itself,
2580 to choose between 32-bit and 64-bit patterns.
2581 (mips_mem_fits_mode_p): New function.
2582 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2583 that the size of the source matches the size of the destination.
2584 (mov_<store>l, mov_<store>r): Likewise.
2586 2006-09-10 Eric Christopher <echristo@apple.com>
2588 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2591 2006-09-09 Eric Christopher <echristo@apple.com>
2594 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2597 2006-09-09 Roger Sayle <roger@eyesopen.com>
2598 Nicolas Setton <setton@adacore.com>
2600 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2602 2006-09-10 Andreas Schwab <schwab@suse.de>
2604 * config/m68k/m68k.md (bungt_rev): New pattern.
2606 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2607 Dale Johannesen <dalej@apple.com>
2610 * regclass.c (struct reg_pref): Update documentation.
2611 (regclass): Set prefclass to NO_REGS if memory is the best option.
2612 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2614 2006-09-08 Eric Christopher <echristo@apple.com>
2616 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2617 * config/t-slibgcc-darwin: Support x86_64 multilib.
2618 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2619 Return 1 for x86_64-darwin.
2620 * config/i386/t-darwin: Add m64 multilib.
2621 (LIB2_SIDITI_CONV_FUNCS): Use.
2622 (LIB2FUNCS_EXTRA): Ditto.
2623 * config/i386/darwin.h: Support x86_64.
2624 * config/i386/i386.c (override_options): Turn on flag_pic
2625 for x86_64-darwin. Disable flag_omit_pointer.
2626 (get_pc_thunk_name): Assert !TARGET_64BIT.
2627 (legitimate_address_p): Disable machopic addressing for
2629 (legitimize_pic_address): Ditto.
2630 (ix86_expand_move): Ditto.
2631 (ix86_expand_call): Ditto.
2632 (machopic_output_stub): Ditto.
2633 * config/darwin.c (machopic_select_section): Support literal16.
2634 (machopic_select_rtx_section): Ditto.
2635 * config/darwin-sections.def: Ditto.
2636 * config/darwin-64.c: New.
2638 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2641 * c-tree.h (struct c_arg_info): Add pending_sizes.
2642 * c-parser.c (c_parser_parms_declarator,
2643 c_parser_parms_list_declarator): Initialize pending_sizes.
2644 * c-decl.c (get_parm_info): Initialize pending_sizes.
2645 (get_parm_info): Set pending_sizes.
2646 (grokdeclarator): Call put_pending_sizes for parameters for
2647 function definition only.
2649 2006-09-07 Jason Merrill <jason@redhat.com>
2652 * varasm.c (output_constant): Only strip actual no-op conversions.
2655 * config/i386/i386.c (override_options): Use 128-bit
2656 stack boundary if -msse.
2658 2006-09-07 Eric Christopher <echristo@apple.com>
2660 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2662 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2665 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2667 * dwarf2out.c: Remove strange characters from comment above
2668 dwarf2out_frame_debug_expr.
2670 2006-09-07 Eric Christopher <echristo@apple.com>
2672 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2673 * config/darwin.h: ... to here.
2675 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2677 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2679 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2680 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2682 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2683 TARGET_PARTIAL_FLAG_REG_STALL.
2684 (*ashldi3_cconly_rex64): Likewise.
2685 (*ashlsi3_cmp): Likewise.
2686 (*ashlsi3_cconly): Likewise.
2687 (*ashlsi3_cmp_zext): Likewise.
2688 (*ashlhi3_cmp): Likewise.
2689 (*ashlhi3_cconly): Likewise.
2690 (*ashlqi3_cmp): Likewise.
2691 (*ashlqi3_cconly): Likewise.
2692 (*ashrdi3_cmp_rex64): Likewise.
2693 (*ashrdi3_cconly_rex64): Likewise.
2694 (*ashrsi3_cmp): Likewise.
2695 (*ashrsi3_cconly): Likewise.
2696 (*ashrsi3_cmp_zext): Likewise.
2697 (*ashrhi3_cmp): Likewise.
2698 (*ashrhi3_cconly): Likewise.
2699 (*ashrqi3_cmp): Likewise.
2700 (*ashrqi3_cconly): Likewise.
2701 (*lshrdi3_cmp_rex64): Likewise.
2702 (*lshrdi3_cconly_rex64): Likewise.
2703 (*lshrsi3_cmp): Likewise.
2704 (*lshrsi3_cconly): Likewise.
2705 (*lshrsi3_cmp_zext): Likewise.
2706 (*lshrhi3_cmp): Likewise.
2707 (*lshrhi3_cconly): Likewise.
2708 (*lshrqi2_cmp): Likewise.
2709 (*lshrqi2_cconly): Likewise.
2711 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2714 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2715 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2716 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2717 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2718 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2719 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2720 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2721 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2722 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2723 implement only CC setting effects of shift instructions.
2725 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2727 * doc/contrib.texi: Add myself.
2729 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2732 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2733 was set by the user.
2735 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2738 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2739 (divsi_inv_m1): Use them.
2740 (UNSPEC_DIV_INV_TABLE): New constant.
2742 2006-09-06 James E Wilson <wilson@specifix.com>
2745 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2746 then call count_or_remove_death_notes.
2748 2006-09-06 Jason Merrill <jason@redhat.com>
2751 * tree-inline.c (copy_result_decl_to_var): New fn.
2752 (declare_return_variable): Use it. Call declare_inline_vars here.
2753 (expand_call_inline): Not here.
2755 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2757 * doc/contrib.texi: Update my entry.
2759 2006-09-06 Nick Clifton <nickc@redhat.com>
2761 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2763 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2766 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2767 (canonicalize_induction_variables): Likewise.
2768 (tree_unroll_loops_completely): Likewise.
2769 (tree_ssa_prefetch_arrays): Likewise.
2770 (remove_empty_loops): Likewise.
2771 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2772 TODO_cleanup_cfg instead of directly calling
2773 cleanup_tree_cfg_loop.
2774 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2776 (tree_unroll_loops_completely): Likewise.
2777 (remove_empty_loops): Likewise.
2778 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2779 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2780 of tree_ssa_unswitch_loops.
2781 (tree_ssa_loop_ivcanon): Use the return value of
2782 canonicalize_induction_variables.
2783 (tree_ssa_empty_loop): Use the return value of
2785 (tree_complete_unroll): Use the return value of
2786 tree_unroll_loops_completely.
2787 (tree_ssa_loop_prefetch): Use the return value of
2788 tree_ssa_prefetch_arrays.
2789 * passes.c (execute_todo): Before Cleanup CFG, set
2790 updating_used_alone and after cleanup CFG, call
2791 recalculate_used_alone.
2793 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2796 * tree-vect-transform.c (vectorizable_condition): Move the check
2797 for the type after the check for simple condition.
2799 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2800 Kaz Kojima <kkojima@gcc.gnu.org>
2803 * mode-switching.c (optimize_mode_switching): Make the destination
2804 block of an abnormal edge have no anticipatable mode. Don't
2805 insert mode switching code at the end of the source block of
2808 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2810 PR rtl-optimization/26847
2811 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2812 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2813 (simplify_plus_minus): Count n_constants while filling ops. Replace
2814 qsort with insertion sort. Before going through the array to simplify
2815 pairs, sort it. Delay early exit until after the first sort, exiting
2816 only if no swaps occurred. Simplify pairs in reversed order, without
2817 special-casing the first iteration. Pack ops after simplifying pairs.
2819 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2821 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2822 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2823 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2824 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2826 2006-09-05 Richard Guenther <rguenther@suse.de>
2828 PR tree-optimization/28900
2829 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2830 compound conditional before creating COND_EXPR condition.
2832 2006-09-05 Richard Guenther <rguenther@suse.de>
2834 PR tree-optimization/28905
2835 * tree-vrp.c (fix_equivalence_set): Manually implement
2836 !value_ranges_intersect_p to also handle symbolic ranges.
2838 2006-09-05 Richard Guenther <rguenther@suse.de>
2841 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2844 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2846 PR rtl-optimization/27616
2847 * cse.c (table_size): New static variable.
2848 (new_basic_block): Initialize it to 0.
2849 (remove_from_table): Decrement it.
2850 (insert): Increment it.
2851 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2852 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2853 fold_rtx_mem_1 if under the cap.
2854 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2855 the lookup of the equivalent expression and test for equality of the
2856 first operand of the equivalent expression before in turn looking up
2857 an equivalent constant for the second operand.
2859 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2862 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2863 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2864 pointer, instead of assuming it is possible to derive the
2865 correct args size from a call insn.
2867 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2870 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2871 (fold_builtin_mempcpy): Rename to...
2872 (fold_builtin_memory_op): ... this. Optimize one element copy
2874 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2876 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2877 (expand_builtin_memcpy, expand_builtin_mempcpy,
2878 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2879 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2880 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2881 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2883 2006-09-01 DJ Delorie <dj@redhat.com>
2885 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2886 (stzx_16): Likewise.
2887 ("stzx_24_<mode>"): Likewise.
2888 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2889 ("cmp<mode>_op"): New.
2890 (cmp<mode>): Change to expander; just save operands.
2892 (b<code>): Change to expander, emit compare here.
2893 (s<code>_op): Change to use split and expander.
2894 (s<code>_24_op): Likewise.
2895 (s<code>_<mode>): New.
2896 (s<code>_<mode>_24): New.
2897 (movqicc_<code>_<mode): New.
2898 (movhicc_<code>_<mode>): New.
2901 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2902 (m32c_pend_compare): New.
2903 (m32c_unpend_compare): New.
2904 (m32c_expand_scc): New.
2905 (m32c_expand_movcc): Emit the compare also.
2906 * config/m32c/predicates.md (mra_nopp_operand): New.
2908 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2909 Richard Guenther <rguenther@suse.de>
2910 Adam Nemet <anemet@caviumnetworks.com>
2913 * builtins.c (get_pointer_alignment): Handle more forms
2914 of base addresses that can be used to derive more precise
2915 information about alignment.
2917 2006-09-01 Jason Merrill <jason@redhat.com>
2920 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2923 * gimplify.c (voidify_wrapper_expr): Handle null type.
2925 2006-09-01 Josh Conner <jconner@apple.com>
2928 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2929 (execute_return_slot_opt): Use it.
2931 2006-08-31 Josh Conner <jconner@apple.com>
2934 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2935 returning aggregates.
2937 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2939 PR tree-optimization/28839
2940 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2941 blocks in that phi arguments appear.
2943 2006-08-31 Roger Sayle <roger@eyesopen.com>
2946 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2947 NULL, otherwise use an advance_loc4 to adjust relative to the
2949 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2950 (dwarf2out_switch_text_section): Reset the current label to avoid
2951 using advance_loc4 over section boundaries.
2953 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2956 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2957 r12 + SYMBOLIC_CONST.
2959 2006-08-30 Richard Guenther <rguenther@suse.de>
2961 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2963 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2965 PR rtl-optimization/27735
2966 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2967 Add new argument to keep track of whether an irreducible region
2968 was affected. All callers changed.
2969 (fix_irreducible_loops): Removed.
2970 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2971 flags were invalidated.
2973 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2975 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2976 instead of SF operands.
2977 (*fop_df_comm_sse): Likewise.
2978 (*fop_df_comm_i387): Likewise.
2979 (*fop_df_1_mixed): Likewise.
2980 (*fop_df_1_sse): Likewise.
2982 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2983 J"orn Rennecke <joern.rennecke@st.com>
2985 PR tree-optimization/17506
2986 * tree-ssa.c (warn_uninit): If warning about a location outside of
2987 the current function, note where the variable was declared.
2989 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2991 PR tree-optimization/28411
2992 * double-int.c (double_int_div): Use double_int_divmod.
2993 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2994 double_int_mod, double_int_smod, double_int_umod): New functions.
2995 * double-int.h (double_int_divmod, double_int_sdivmod,
2996 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2998 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3000 (get_computation_aff, get_computation_cost_at): Handle double_int
3001 return type of constant_multiple_of.
3003 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3006 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3007 an implicit conversion.
3009 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3011 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3013 2006-08-27 Roger Sayle <roger@eyesopen.com>
3015 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3018 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3020 * config/i386/crtfastmath.c: Fix a comment typo.
3022 2006-08-26 Roger Sayle <roger@eyesopen.com>
3024 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3025 temporary visit flags on CASE_LABEL_EXPRs.
3026 * c-common.c (match_case_to_enum): Add function comment. Avoid
3027 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3028 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3029 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3030 a constant, only warn if that constant value isn't handled.
3032 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3035 * input.h (restore_input_file_stack): Declare.
3036 (INPUT_FILE_STACK_BITS): Define.
3037 * toplev.c (fs_p, input_file_stack_history,
3038 input_file_stack_restored, restore_input_file_stack): New.
3039 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3040 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3041 (pop_srcloc): Don't free old state of stack.
3043 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3046 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3047 (PowerPC Type Attributes): New.
3049 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3051 * config/xtensa/xtensa.c (function_arg_boundary): New.
3052 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3054 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3055 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3057 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3060 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3063 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3065 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3066 (verify_local_live_at_start): Likewise.
3068 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3071 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3072 omp_add_variable): Treat sizes as variable whenever not
3075 2006-08-26 Richard Guenther <rguenther@suse.de>
3078 * fold-const.c (fold_binary): Fold temporary to correct
3079 type before constructing new comparison.
3081 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3084 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3085 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3087 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3090 * c-decl.c (start_function): Don't try to process prototype
3091 information from old declaration that isn't a function.
3093 2006-08-25 Jan Hubicka <jh@suse.cz>
3096 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3098 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3101 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3104 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3106 PR tree-optimization/16876
3107 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3108 exit if PARM doesn't match VALUE.
3110 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3112 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3113 literal_prefix directive.
3114 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3115 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3116 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3118 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3121 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3122 predicate to general_operand. Add 0->y and I->r alternatives.
3124 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3126 * doc/tm.texi: Fix a typo.
3127 * predict.c: Fix comment typos.
3129 2006-08-25 Nick Clifton <nickc@redhat.com>
3131 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3132 assertions of "cpu" and "machine".
3134 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3137 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3138 the access through a base which has an alias set of 0 cannot
3141 2006-08-24 Bill Wendling <wendling@apple.com>
3143 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3145 2006-08-24 Jan Hubicka <jh@suse.cz>
3147 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3149 2006-08-24 Jan Hubicka <jh@suse.cz>
3152 * cgraph.c: Fix comments.
3153 (cgraph_varpool_mark_needed_node): Mark only variables not already
3155 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3156 (cgraph_varpool_assembled_nodes_queue): New static variable.
3157 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3158 (cgraph_varpool_output_debug_info): New function.
3159 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3160 * Makefile.in: Add gt-cgraphunit.h
3162 2006-08-24 Jan Hubicka <jh@suse.cz>
3164 * predict.c (probability_reliable_p): New predicate.
3165 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3166 (predict_loops): Do not predict loop exit with less than 2%
3168 * basic-block.h (edge_probability_reliable_p,
3169 br_prob_note_reliable_p): Declare.
3170 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3171 prediction when static predictor is not reliable.
3172 * rs6000.c (output_cbranch): Likewise.
3174 2006-08-23 Stuart Hastings <stuart@apple.com>
3177 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3178 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3180 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3183 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3184 complex values, nor for generic vector values.
3186 2006-08-22 Richard Guenther <rguenther@suse.de>
3189 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3190 parameter. Convert arguments to arithmetic expression to the
3192 (analyze_scalar_evolution_1): Adjust caller.
3194 2006-08-22 Jan Hubicka <jh@suse.cz>
3196 Patch by Paolo Bonzini
3197 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3200 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3202 PR tree-optimization/28003
3203 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3204 before grouping aliases.
3206 2006-08-22 Roger Sayle <roger@eyesopen.com>
3208 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3209 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3211 2006-08-21 Jason Merrill <jason@redhat.com>
3214 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3215 wrapper. Loop to handle nested wrappers.
3216 (gimplify_bind_expr): Remove temp parameter.
3217 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3218 and STATEMENT_LIST on the rhs.
3219 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3220 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3221 (gimplify_target_expr): Remove special BIND_EXPR handling.
3223 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3225 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3228 2006-08-21 Olivier Hainque <hainque@adacore.com>
3230 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3231 Arrange for the temporary captures of components overlapping the lhs
3232 to happen before the lhs is possibly cleared.
3234 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3236 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3237 necessary places to pass the correct "number of registers" values
3240 2006-08-20 Jan Hubicka <jh@suse.cz>
3242 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3243 (create_name_tags): Instead of quadratic checking use hashtable.
3244 * bitmap.h: Include hashtab.h.
3245 (bitmap_hash): Declare.
3246 * bitmap.c (bitmap_hash): New function.
3248 2006-08-20 Jan Hubicka <jh@suse.cz>
3250 PR rtl-optimization/28071
3251 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3253 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3254 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3255 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3256 cgraph_decide_inlining_incrementally): Update use of
3257 cgraph_check_inline_limits.
3258 * cgraph.c (edge_hash, edge_eq): New function.
3259 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3260 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3261 cgraph_remove_node): Maintain call site hash.
3262 * cgraph.h (struct cgraph_node): Add call_site_hash.
3263 (cgraph_set_call_stmt): New function.
3265 2006-08-20 Jan Hubicka <jh@suse.cz>
3267 PR rtl-optimization/28071
3268 * reload1.c (reg_has_output_reload): Turn into regset.
3269 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3270 choose_reload_regs, emit_reload_insns): Update to new
3271 reg_has_output_reload.
3273 2006-08-20 Jan Hubicka <jh@suse.cz>
3276 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3277 function body sizes.
3278 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3280 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3283 * tree.c (handle_dll_attribute): Return early if not a
3284 var or function decl.
3286 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3289 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3290 alignment of SPE vector types.
3292 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3294 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3296 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3299 * cgraph.h (struct cgraph_node): Remove externally_visible
3301 * cgraphunit.c (process_function_and_variable_attributes): Set
3302 local.externally_visible rather than externally_visible.
3305 * c-common.c (handle_externally_visible_attribute): First look
3306 at TREE_CODE and only if it is function or var decl, check for
3307 non-public objects. Don't warn for DECL_EXTERNAL.
3308 * cgraphunit.c (process_function_and_variable_attributes): Warn
3309 if externally_visible attribute is used on non-public object.
3311 2006-08-17 Jan Hubicka <jh@suse.cz>
3313 PR tree-optimization/27865
3314 * reload1.c (forget_marked_reloads): New function.
3315 (forget_old_reloads_1): When data are passed, just mark the registers
3317 (reload_as_needed): Use the new mechanizm.
3319 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3322 * reload.h (reg_equiv_alt_mem_list): New declaration.
3323 * reload1.c (reg_equiv_alt_mem_list): New definition.
3324 (reload): Initialize it and release it.
3325 (delete_output_reload): Use it.
3326 * reload.c (push_reg_equiv_alt_mem): New function.
3327 (find_reloads_toplev): Call it.
3328 (find_reloads_address, find_reloads_address_1): Likewise.
3329 (find_reloads_subreg_address): Likewise.
3331 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3333 PR rtl-optimization/28489
3334 * sched-ebb.c (begin_schedule_ready): Create basic block
3336 (advance_target_bb): Skip empty blocks.
3337 * haifa-sched.c (bb_note): Make global.
3338 * sched-int.h (bb_note): Add prototype.
3340 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3342 PR tree-optimization/27865
3343 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3345 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3346 fold_used_pointer, pointer_used_p): New functions.
3347 (analyze_scalar_evolution_1): Use fold_used_pointer.
3348 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3349 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3352 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3355 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3356 or the INTEGER_CST. Fail on a CALL_EXPR.
3357 (fold_offsetof): Pass new argument to fold_offsetof_1.
3358 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3359 operand into an INDIRECT_REF.
3360 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3362 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3364 PR gcov/profile/26570
3365 * value-prof.c (static_values): Removed.
3366 (tree_find_values_to_profile): Do not set static_values.
3367 (find_values_to_profile): Do not free static_values.
3368 * profile.c (instrument_values): Do not free the values.
3369 (branch_prob): Free the values.
3371 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3373 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3375 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3378 * c-typeck.c (build_component_ref): Combine qualifiers of
3379 structure or union and field.
3381 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3383 PR rtl-optimization/28071
3384 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3385 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3386 * tree-into-ssa.c (struct dom_dfsnum): New.
3387 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3389 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3390 compute_global_livein.
3391 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3392 in phi nodes in the correct blocks.
3394 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3396 PR tree-optimization/28364
3397 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3399 (fold_affine_expr): New function.
3400 (may_eliminate_iv): Use fold_affine_expr.
3402 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3405 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3408 2006-08-16 Mike Stump <mrs@apple.com>
3410 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3411 * doc/cppopts.texi (-MD): Likewise.
3413 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3416 * c-common.c (handle_weak_attribute): Ignore and warn if
3417 not a FUNCTION_ or VAR_DECL.
3419 2006-07-15 Mike Stump <mrs@apple.com>
3422 * c-parser.c (c_parser_typeof_specifier): Don't use
3423 c_finish_expr_stmt, open code desired semantics instead.
3425 2006-08-15 Nick Clifton <nickc@redhat.com>
3427 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3428 fragment to tmake_file only if threads are enabled.
3429 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3430 * config/i386/t-gthr-win32: New file. ... here.
3432 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3435 * c-parser.c (c_parser_compound_statement_nostart): Reset
3436 parser->error after each statement.
3438 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3441 * omp-low.c (lower_omp_parallel): Convert t to
3442 receiver_decl's type.
3443 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3444 source before comparison.
3447 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3448 to itype in assignment to oldival2.
3450 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3454 * c-typeck.c (build_compound_expr): If the second expression
3455 is an error mark, then just return an error mark instead of
3456 creating a COMPOUND_EXPR.
3458 2006-07-14 Mike Stump <mrs@apple.com>
3460 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3462 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3464 * c-decl.c, var-tracking.c: Fix comment typos.
3466 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3468 PR rtl-optimization/28634
3469 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3470 for floating-point modes unless flag_unsafe_math_optimizations.
3472 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3473 Andrew Pinski <pinskia@physics.uc.edu>
3476 * tree.c (build_array_type): Unify array types with
3477 unspecified index_type.
3478 * c-decl.c (grokdeclarator): Make sure we do not modify a
3479 unified incomplete array type.
3480 * c-typeck.c (store_init_value): Create distinct type before
3481 filling in the index type in an initializer from a compound
3484 * c-decl.c (grokdeclarator): Remove code where we copy the
3487 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3489 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3490 into account for TODO_dump_cgraph.
3491 (TODO_update_ssa_no_phi): Likewise.
3492 (TODO_update_ssa_full_phi): Likewise.
3493 (TODO_update_ssa_only_virtuals): Likewise.
3494 (TODO_remove_unused_locals): Likewise.
3495 (TODO_set_props): Likewise.
3496 (TODO_update_stmt_usage): Likewise.
3498 2006-08-13 Dirk Mueller <dmueller@suse.de>
3500 * c-common.c (strict_aliasing_warning): Fix formatting.
3502 2006-08-13 Matthias Klose <doko@debian.org>
3504 * doc/invoke.texi: Fix spelling errors.
3506 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3508 PR rtl-optimization/23454
3509 * reorg.c (relax_delay_slots): Update comment.
3511 2006-08-11 Richard Guenther <rguenther@suse.de>
3514 * simplify-rtx.c (simplify_const_relational_operation):
3515 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3518 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3520 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3521 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3523 2006-08-10 Paul Brook <paul@codesourcery.com>
3525 * final.c (final_scan_insn): Clear current_insn_predicate before
3526 outputting inline asm.
3528 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3530 PR tree-optimization/26197
3531 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3532 get_ref_base_and_extent and overlap_subvar to add only relevant
3533 subvars as may-aliases.
3534 (add_may_alias_for_new_tag): New function, factored out of
3536 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3537 with additional argument.
3538 * tree-flow.h (new_type_alias): Takes additional argument.
3540 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3542 * gcov.c (no_data_file): New flag.
3543 (read_count_file): Set it if data file not present. Assume counts
3545 (output_lines): Don't name the data file, if there wasn't one.
3547 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3549 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3550 (rs6000_generate_compare): Tweak comments.
3551 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3553 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3555 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3556 (var_debug_decl): New function.
3557 (var_reg_set): Follow debug decl link. Add location even if
3558 reg is already known to hold some other variable.
3559 (var_mem_set): Follow debug decl link.
3560 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3561 decl link. Delete other known locations of the variable part
3563 (var_reg_delete, var_mem_delete): Delete other known locations
3564 of the variable part if requested.
3565 (same_variable_part_p): New function.
3566 (add_stores): Select MO_COPY when appropriate.
3567 (vt_initialize): Handle it.
3568 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3569 known locations for MO_SET and MO_CLOBBER.
3570 (find_variable_location_part): New function.
3571 (set_variable_part, delete_variable_part): Use it.
3572 (clobber_variable_part): New function.
3573 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3576 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3578 PR tree-optimization/26969
3579 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3580 with an empty list of PHIs.
3582 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3586 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3589 2006-08-06 Andreas Schwab <schwab@suse.de>
3591 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3592 string. Whitespace and comment fixup.
3594 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3597 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3601 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3604 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3606 2006-08-04 Jan Hubicka <jh@suse.cz>
3610 * reload.c (push_reload): Patch out the mismatching instruction;
3612 (find_reload): Bail out if the instruction was patched out.
3614 2006-08-04 Jan Hubicka <jh@suse.cz>
3616 PR tree-optimization/24888
3617 * tree-inline.c (expand_call_inline): Do not re-record variables.
3618 (declare_inline_vars): Add variable to unexpanded_var_list.
3620 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3621 Roger Sayle <roger@eyesopen.com>
3623 PR rtl-optimization/26244
3624 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3625 inner_const are negative or greater than or equal to the bitsize of
3626 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3627 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3628 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3629 CONST0_RTX (mode) when the new shift count is greater than or equal to
3630 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3633 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3635 * tree-cfg.c: Fix a comment typo.
3637 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3640 * varasm.c (output_constant): Give the front end another chance to
3641 expand constants, after stripping NOPs.
3643 2006-08-03 Jan Hubicka <jh@suse.cz>
3645 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3648 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3650 PR tree-optimization/27770
3651 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3652 declaration removed (moved to tree-flow.h).
3653 (vect_can_force_dr_alignment_p): Likewise.
3654 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3655 (moved from tree-vectorizer.h).
3656 (vect_can_force_dr_alignment_p): Likewise.
3657 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3658 from outside the vectorizer - in particular from cgraph stage.
3659 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3660 the alignment of global arrays when -fsection-anchors is enabled.
3661 * cgraphunit.c (cgraph_increase_alignment): New function.
3662 (cgraph_optimize): Call cgraph_increase_alignment.
3664 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3667 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3668 not reload a SPE symbol_ref into a lo_sum address.
3670 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3673 * dwarf2out.c (prune_unused_types_prune): Move call to
3674 prune_unused_types_update_strings to cover the parent DIE also.
3676 2006-08-02 Jan Hubicka <jh@suse.cz>
3678 PR gcov/profile/28480
3679 * tree-cfg.c (change_bb_for_stmt): New function.
3680 (tree_merge_blocks, tree_split_blocks): Use it.
3682 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3688 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3689 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3690 (cgraph_optimize): Likewise.
3692 2006-08-01 Stuart Hastings <stuart@apple.com>
3694 * rtl.h (UINTVAL) New.
3695 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3696 * testsuite/gcc.dg/20060801-1.c: New.
3698 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3701 * c-typeck.c (build_external_type): Mark used enum types.
3702 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3704 (gen_subprogram_die): Whitespace fix.
3706 2006-08-01 Jan Hubicka <jh@suse.cz>
3708 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3709 bitmap when not needed.
3710 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3713 2006-08-01 Dirk Mueller <dmueller@suse.de>
3715 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3717 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3719 * Makefile.in: Revert part of previous patch:
3720 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3723 2006-07-30 Eric Christopher <echristo@apple.com>
3726 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3727 (PowerPC Variable Attributes): New section.
3729 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3731 PR target/28126 (partial fix)
3732 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3734 2006-07-28 Jan Hubicka <jh@suse.cz>
3736 PR rtl-optimization/28071
3737 * cfgrtl.c (rtl_delete_block): Free regsets.
3738 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3740 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3742 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3743 and variables used in dependencies.
3745 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3747 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3748 %fs for -mcmodel=kernel.
3749 (stack_tls_protect_test_di): Likewise.
3751 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3753 * Makefile.in: Use mkinstalldirs.
3755 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3758 * opts-common.c (prune_options): Skip joined switches.
3760 2006-07-27 Jan Hubicka <jh@suse.cz>
3762 PR rtl-optimization/28071
3763 * cselib.c (cselib_process_insn): Don't remove useless values too
3764 often for very large hashtables.
3766 2006-07-27 Jan Hubicka <jh@suse.cz>
3768 PR rtl-optimization/28071
3769 * global.c (greg_obstack): New obstack.
3770 (allocate_bb_info): Use it.
3771 (free_bb_info): Likewise.
3772 (modify_reg_pav): Likewise.
3774 2006-07-27 Roger Sayle <roger@eyesopen.com>
3776 * builtins.c (fold_fixed_mathfn): When long and long long are the
3777 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3778 functions to their lceil*, lfloor*, lround* and lrint* forms.
3780 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3783 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3785 (rev_branch_insn): Likewise.
3787 2006-07-27 Jan Hubicka <jh@suse.cz>
3789 PR rtl-optimization/28071
3790 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3791 (reg_set_in_bb, max_reg_computed): New static variables.
3792 (regmove_optimize): Free the new array.
3793 (fixup_match_1): Update call of reg_is_remote_constant_p.
3795 2006-07-26 Jan Hubicka <jh@suse.cz>
3797 PR tree-optimization/27882
3798 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3800 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3802 (cgraph_analyze_compilation_unit): Likewise.
3803 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3804 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3805 (cgraph_early_inlinine): Make order garbage collected.
3806 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3808 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3810 * dbxout.c (output_types_sort): Add a comment.
3811 (output_used_types): Free the VEC.
3813 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3815 * function.c (reorder_fix_fragments): Delete.
3816 (reorder_blocks): Don't call it.
3817 (reorder_blocks_1): Put all subblocks under the origin block.
3819 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3821 PR rtl-optimization/27907
3822 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3825 2006-07-25 Roger Sayle <roger@eyesopen.com>
3828 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3829 bar(x) check that bar's result type can represent all the values of T.
3831 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3833 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3835 2006-07-25 Nick Clifton <nickc@redhat.com>
3837 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3838 size_lookup[] array.
3839 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3840 (ggc_pch_count_object): Likewise.
3841 (ggc_pch_alloc_object): Likewise.
3842 (ggc_pch_write_object): Likewise.
3843 (init_ggc): Do not attempt to initialize entries in the
3844 size_lookup[] array for objects whose size is greater than than
3845 the length of the array.
3847 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3849 * dbxout.c (output_used_types_helper): Push queued types
3851 (output_types_sort): New.
3852 (output_used_types): Collect used types on a VEC and sort them
3855 2006-07-24 Richard Guenther <rguenther@suse.de>
3858 * cgraph.c (cgraph_remove_node): Do not check if dumps
3860 * cgraphunit.c (cgraph_optimize): Likewise.
3862 2006-07-24 Jan Hubicka <jh@suse.cz>
3864 PR rtl-optimization/28071
3865 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3866 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3867 splitting before first stmt.
3869 2006-07-24 Jan Hubicka <jh@suse.cz>
3871 PR rtl-optimization/28071
3872 * ipa-inline.c (update_caller_keys): Remove edges that
3873 are no longer inline candidates.
3875 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3878 * dbxout.c (output_used_types_helper, output_used_types): New.
3879 (dbxout_symbol): Call output_used_types.
3881 2006-07-23 Jan Hubicka <jh@suse.cz>
3885 * cgraph.c (cgraph_varpool_nodes): Export.
3886 (decide_is_variable_needed): Ignored "used" attribute in
3887 unit-at-a-time mode.
3888 * cgraph.h (cgraph_varpool_nodes): Declare.
3889 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3890 unit-at-a-time mode.
3892 2006-07-23 Roger Sayle <roger@eyesopen.com>
3895 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3896 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3897 the __gthrw form of thr_keycreate.
3898 (__gthread_key_delete): Silence the unused argument warning.
3900 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3903 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3904 Cache the last found '\0' marker to avoid quadratic behavior.
3906 2006-07-23 Jan Hubicka <jh@suse.cz>
3908 * i386.md (subsi_3_zext): Fix output template.
3910 2006-07-21 Mike Stump <mrs@apple.com>
3912 * doc/invoke.texi (C++ Dialect Options): Note that
3913 -fvisibility-inlines-hidden doesn't affect explicitly
3914 instantiationed inline methods.
3916 2006-07-20 Roger Sayle <roger@eyesopen.com>
3918 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3919 if the target assembler is GNU binutils' gas.
3920 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3921 whether to pass GNU gas or native as command line options.
3923 2006-07-20 Jason Merrill <jason@redhat.com>
3925 * tree.c (remove_attribute): New fn.
3926 * tree.h: Declare it.
3928 2006-07-20 Paul Brook <paul@codesourcery.com>
3931 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3932 they are invalidated by this instruction.
3934 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3937 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3939 2006-07-20 Eric Christopher <echristo@apple.com>
3942 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3944 2006-07-19 Eric Christopher <echristo@apple.com>
3946 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3947 Rewrite dependencies for libgcc_s.1.dylib.
3949 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3951 * except.c (duplicate_eh_regions_1): Clear next_peer.
3953 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3955 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3956 -mlongcall does not guarantee all calls will be long.
3957 * doc/extend.texi (long_call/short_call): Document that longcall
3958 does not guarantee a long call will be used.
3959 (longcall/shortcall): Likewise.
3961 2006-07-18 Roger Sayle <roger@eyesopen.com>
3964 * expmed.c (expand_shift): Additionally check that the shift_cost
3965 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3966 before implementing a LSHIFT_EXPR as a sequence of additions.
3967 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3968 middle-end that DImode shifts need to be synthesized by expand.
3970 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3973 * tree-ssa-operands.c (access_can_touch_variable): Update
3975 Return true if ALIAS is .GLOBAL_VAR.
3977 2006-07-18 David Daney <ddaney@avtrex.com>
3979 * gcc.c (display_help): Fix typo in help text.
3981 2006-07-18 Olivier Hainque <hainque@adacore.com>
3983 * tree.h (categorize_ctor_elements): Adjust prototype and add
3984 descriptive comment, both in accordance with the interface change
3986 * varasm.c (constructor_static_from_elts_p): New function.
3987 Whether a constructor node is a valid static constant initializer
3988 if all its elements are.
3989 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3990 * output.h: Declare it.
3991 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3992 is a valid constant initializer instead of computing the number of
3993 non-constant elements. Use constructor_static_from_elts_p for this
3994 purpose. Replace the head comment with an indication that this is a
3995 helper for categorize_ctor_elements.
3996 (categorize_ctor_elements): Same interface change as for the _1
3997 helper. Former head comment from this helper moved here, adjusted to
3998 account for the interface changes.
3999 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4000 (all_zeros_p): Likewise.
4001 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4002 static versions of the constructor from the categorize_ctor_elements
4003 return value instead of the formerly computed number of non-constant
4006 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4008 * configure: Regenerate.
4009 * Makefile.in (build_libsubdir): New configure substitution
4010 (build_libobjdir): New variable.
4011 (BUILD_LIBIBERTY): Use it.
4013 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4016 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4018 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4021 * c-common.c (handle_weakref_attribute): Ignore attribute in
4022 the same conditions the alias attribute is ignored.
4024 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4026 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4027 (dbxout_begin_prologue): Increment scope_labelno.
4029 2006-07-17 Richard Henderson <rth@redhat.com>
4032 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4035 2006-07-17 Roger Sayle <roger@eyesopen.com>
4036 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4038 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4039 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4040 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4041 functions such as sbrk, write, etc.. Add function prototypes.
4042 Convert function declarations from K&R to ISO C. Cast pointers
4043 to "long" and "unsigned long" instead of "int" and "unsigned int".
4044 Convert tokens following #endif into comments.
4046 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4048 * invoke.texi: Remove mention of f77; Reformat table for
4049 inline parameter options correctly; mention that -malign-double
4050 is default on x86-64 targets.
4052 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4054 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4055 (convert_affine_scev, chrec_convert_aggressive): Use
4056 avoid_arithmetics_in_type_p. Do not check for the subtypes
4059 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4062 * optabs.c (expand_doubleword_shift): Wrap the call to
4063 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4065 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4068 * optabs.c (expand_binop): Pass next_methods rather than methods
4069 to expand_doubleword_shift.
4071 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4074 * tree.h (dump_addr): Declare.
4075 * print-tree.c (dump_addr): New function.
4076 (print_node_brief, print_node): Use it.
4077 * print-rtl.c (print_rtx): Likewise.
4078 * common.opt (-fdump-noaddr): New option.
4079 * doc/invoke.texi (-fdump-noaddr): Document.
4080 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4081 (ve_info_hash): Likewise.
4083 2006-07-13 Andrew Haley <aph@redhat.com>
4085 PR tree-optimization/19505
4086 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4087 edge leaving this block, make sure that the destination of this
4088 block has only one predecessor.
4090 2006-07-17 Richard Guenther <rguenther@suse.de>
4092 PR tree-optimization/28238
4093 * tree-inline.c (copy_bb): Check if we produced valid
4094 gimple copying and substituting a stmt. If not, gimplify
4097 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4099 * optabs.c (maybe_encapsulate_block): New function extracted from...
4100 (emit_libcall_block): ...here. Invoke it on the block of insns to
4101 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4102 (emit_no_conflict_block): Likewise.
4104 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4106 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4108 2006-07-15 Roger Sayle <roger@eyesopen.com>
4110 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4111 a new NOP_EXPR case of the switch statement.
4113 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4116 * stor-layout.c (place_field): Take the bit field with
4117 an excessive size into account in the ms-bitfiled case.
4120 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4121 the previous bit field.
4123 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4126 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4128 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4130 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4131 signal frames correctly even when the signal was installed with
4134 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4136 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4137 (dbxout_function_end): Use local label LFBB. Remove hook
4139 (dbxout_source_line): Use local label LFBB.
4140 (dbxout_block): Likewise.
4141 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4142 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4143 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4144 and DBX_OUTPUT_NFUN.
4146 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4148 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4150 2006-07-13 Jan Hubicka <jh@suse.cz>
4152 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4154 * output.h (align_variable): Declare.
4155 * varasm.c (align_variable): Export.
4156 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4157 when basic block changed.
4159 2006-07-13 Nick Clifton <nickc@redhat.com>
4161 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4162 walking the LOG_LINKS chain.
4164 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4166 * doc/invoke.texi (C++ Dialect Options): Explain difference
4167 between -fvisibility-inlines-hidden and setting hidden
4168 visibility explicitly.
4170 2006-07-12 Eric Christopher <echristo@apple.com>
4172 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4173 (stmp-lipo): Depend on libgcc.a.
4175 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4177 * tree.c: Fix a comment typo.
4179 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4181 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4183 (umulhisi3_r): Likewise.
4185 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4188 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4189 x < 19, vs wchar_t support.
4191 2006-07-12 Nick Clifton <nickc@redhat.com>
4193 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4194 instead of -isa=sh4.
4196 2006-07-12 Mike Stump <mrs@apple.com>
4198 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4200 2006-07-10 Eric Christopher <echristo@apple.com>
4202 * config/t-slibgcc-darwin: Rewrite.
4204 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4207 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4210 2006-07-08 Matthias Klose <doko@debian.org>
4212 * doc/sourcebuild.texi: Fix typo.
4214 2006-07-07 Mike Stump <mrs@apple.com>
4216 * toplev.c (process_options): Don't give -ffunction-sections may
4217 affect debugging warning for Mach-O.
4219 2006-07-07 James E Wilson <wilson@specifix.com>
4221 * config/mips/mips.md (cpu): Add sb1a.
4222 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4223 addition to sb1. Adjust comments to clarify SB-1A differences from
4225 (ir_sb1a_load): New. Modify bypasses to use it.
4226 (ir_sb1a_simple_alu): Likewise.
4227 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4228 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4229 (mips_issue_rate): Add PROCESSOR_SB1A.
4230 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4231 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4232 (TARGET_SB1): Add PROCESSOR_SB1A check.
4233 (TUNE_SB1): Likewise.
4235 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4236 * config/mips/mips.c (mips_store_data_bypass_p): New.
4237 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4238 store_data_bypass_p.
4240 2006-07-08 Paul Brook <paul@codesourcery.com>
4243 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4245 2006-07-07 Richard Guenther <rguenther@suse.de>
4248 * tree.h (build_one_cst): Declare.
4249 * tree.c (build_one_cst): New function.
4250 * tree-ssa-math-opts.c (get_constant_one): Remove.
4251 (insert_reciprocals): Use build_one_cst.
4252 * fold-const.c (fold_plusminus_mult): Likewise.
4254 2006-07-07 Roger Sayle <roger@eyesopen.com>
4256 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4257 * cfgloopanal.c (dump_graph): Likewise.
4258 * dojump.c (discard_pending_stack_adjust): Likewise.
4259 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4261 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4262 * function.c (finalize_block_changes): Likewise.
4263 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4264 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4265 * rtl.c (dump_rtx_statistics): Likewise.
4266 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4268 * varray.c (dump_varray_statistics): Likewise.
4269 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4270 decode_decimal64, encode_decimal128, decode_decimal128,
4271 decimal_real_to_decimal): Likewise.
4273 2006-07-07 Richard Guenther <rguenther@suse.de>
4275 PR tree-optimization/28187
4276 * tree-vrp.c (vrp_operand_equal_p): New function.
4277 (vrp_bitmap_equal_p): Likewise.
4278 (update_value_range): Use them to compare old and new
4281 2006-07-06 Roger Sayle <roger@eyesopen.com>
4283 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4284 a default case to switch statement to silence compiler warnings.
4286 2006-07-06 Roger Sayle <roger@eyesopen.com>
4289 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4290 the configured assembler supports the x87's ffreep mnemonic.
4291 * configure: Regenerate.
4292 * config.in: Regenerate.
4294 * config/i386/i386.c (output_387_ffreep): New function.
4295 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4296 (output_387_reg_move): Likewise.
4298 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4300 Port to hosts whose 'sort' and 'tail' implementations
4301 treat operands with leading '+' as file names, as POSIX
4302 has required since 2001. However, make sure the code still
4303 works on pre-POSIX hosts.
4304 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4305 which says you should use "tail -c +N" rather than "tail +Nc".
4306 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4308 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4310 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4313 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4316 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4317 PRE_{INC,DEC} of TFmode.
4319 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4320 Alan Modra <amodra@bigpond.net.au>
4323 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4326 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4329 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4330 Remove duplicate gtu.
4332 2006-07-05 Jason Merrill <jason@redhat.com>
4336 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4337 * c-common.c (handle_packed_attribute): So don't copy it here.
4338 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4340 2006-07-05 Mike Stump <mrs@apple.com>
4342 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4344 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4347 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4349 2006-07-05 Richard Guenther <rguenther@suse.de>
4352 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4353 TARGET_SSE2 targets if using SSE math.
4354 (*absdf2_1): Likewise.
4356 2006-07-05 Richard Guenther <rguenther@suse.de>
4358 PR tree-optimization/28162
4359 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4360 make sure to convert the operands to the correct type.
4362 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4364 PR tree-optimization/28218
4366 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4367 to calculate and free the dominator information.
4369 2006-07-04 Peter O'Gorman <peter@pogma.com>
4371 * mklibgcc.in: chmod 644 before ranlib during install.
4373 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4374 J"orn Rennecke <joern.rennecke@st.com>
4376 * configure.ac (.eh_frame data check): Use diff -b.
4378 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4381 * Makefile.in (BUILD_RTL): Add build/vec.o.
4382 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4383 (build/genextract): Delete.
4384 (build/genautomata): Likewise.
4386 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4389 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4390 128-bit IBM long doubles for ABI_V4.
4392 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4394 * tree.c (range_in_array_bounds_p): New predicate.
4395 * tree.h (range_in_array_bounds_p): Declare it.
4396 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4397 return a less conservative answer.
4398 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4399 and flag 'is_group'.
4400 (IS_ELEMENT_FOR_GROUP): New macro.
4401 (FOR_EACH_ACTUAL_CHILD): Likewise.
4402 (next_child_for_group): New helper function.
4403 (can_completely_scalarize_p): Take into account groups.
4404 (sra_hash_tree): Handle RANGE_EXPR.
4405 (sra_elt_eq): Likewise.
4406 (lookup_element): Be prepared for handling groups.
4407 (is_valid_const_index): Delete.
4408 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4409 instead of is_valid_const_index.
4410 <ARRAY_RANGE_REF>: New case.
4411 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4412 is_valid_const_index.
4413 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4414 (scan_dump): Dump info for groups too.
4415 (decide_instantiation_1): Likewise.
4416 (decide_block_copy): Assert that the element is not a group.
4417 Propagate decision to groups.
4418 (generate_one_element_ref): Handle RANGE_EXPR.
4419 (mark_no_warning): Iterate over actual childs.
4420 (generate_copy_inout): Likewise.
4421 (generate_element_copy): Likewise.
4422 (generate_element_zero): Likewise.
4423 (generate_element_init_1): Likewise.
4424 (dump_sra_elt_name): Handle RANGE_EXPR.
4426 2006-07-03 Roger Sayle <roger@eyesopen.com>
4428 PR tree-optimization/26251
4429 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4430 (thread_block): When optimizing for size refuse to thread jumps
4431 that would require duplication of blocks other than redirection
4434 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4436 * configure.ac: Fix thinko in previous check-in.
4437 * configure: Regenerate.
4439 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4442 * configure.ac (for lang...): Simplify nesting of conditionals.
4443 Test subdir_requires for non-enabled languages. Move processing
4444 of lang_opt_files and lang_tree_fiels below that test.
4445 * configure: Regenerate.
4446 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4448 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4450 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4452 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4454 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4457 2006-06-29 Jason Merrill <jason@redhat.com>
4464 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4465 * c-common.c (c_determine_visibility): Handle it here.
4466 * c-decl.c (finish_decl): Call c_determine_visibility for
4468 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4470 * varasm.c (default_assemble_visibility): Likewise.
4471 * c-common.c (handle_visibility_attribute): Complain about trying
4472 to give visibility to an already defined class, or trying to change
4473 declared visibility. Always attach the attribute.
4478 * attribs.c (decl_attributes): Ignore type-in-place attributes
4479 once the type has been defined.
4481 2006-06-29 Roger Sayle <roger@eyesopen.com>
4484 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4485 to indicate the cpplib has issued an error message for us.
4487 2006-06-29 Asher Langton <langton2@llnl.gov>
4490 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4491 insert a label at the end of an function under Mach-O.
4493 2006-06-29 Eric Christopher <echristo@apple.com>
4494 Evan Cheng <evan.cheng@apple.com>
4496 * predicates.md (vector_all_ones_operand): New.
4497 (nonimmediate_or_sse_const_operand): Ditto.
4498 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4499 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4500 (standard_sse_mode_p): Ditto.
4501 (standard_sse_constant_p): Add case for -1 vector.
4502 (ix86_expand_vector_move): Try to use.
4503 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4504 Call standard_sse_constant_opcode.
4505 (*movv4sf_internal): Ditto.
4506 (*movv2df_internal): Ditto.
4508 2006-06-29 Roger Sayle <roger@eyesopen.com>
4510 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4511 of XEXP to extract the operands of a MATCH_CODE rtx.
4513 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4515 * tree.c (tree_size): Do not waste tail padding in
4516 struct tree_string and make the size be the same as
4517 build_string will generate.
4519 2006-06-28 Jason Merrill <jason@redhat.com>
4522 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4523 may_aliases already in the tag's annotations to the bitmap.
4525 2006-06-28 Roger Sayle <roger@eyesopen.com>
4527 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4529 2006-06-28 Roger Sayle <roger@eyesopen.com>
4531 * genpreds.c (generate_switch_p): New function.
4532 (add_mode_tests): Push the new mode test down inside an AND expr
4533 if this allows the switch-suitable MATCH_CODE to be near the root.
4534 (write_match_code_switch): New function to write a MATCH_CODE as
4536 (write_predicate_stmts): New function to write a predicate RTX
4537 expression as a sequence of statements.
4538 (write_one_predicate_function): Use write_predicate_stmts.
4539 (write_tm_constrs_h): Likewise.
4541 2006-06-26 Fred Fish <fnf@specifix.com>
4543 * config/mips/t-sb1: New file.
4544 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4547 2006-06-26 DJ Delorie <dj@redhat.com>
4549 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4551 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4552 Jayant Sonar <jayants@kpitcummins.com>
4553 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4555 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4556 (subsi3, subsi3_1, subsi3_2): New.
4557 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4558 * config/m32c/mov.md (SI mov peephole): New.
4559 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4560 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4562 2006-06-26 Olivier Hainque <hainque@adacore.com>
4564 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4565 a CALL_EXPR target function declaration.
4567 2006-06-26 Richard Guenther <rguenther@suse.de>
4569 * tree.c (build_string): Do not waste tail padding in
4572 2006-06-26 Richard Guenther <rguenther@suse.de>
4574 * ggc-page.c (init_ggc): Add missing element to size_lookup
4578 2006-06-23 Richard Guenther <rguenther@suse.de>
4580 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4581 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4582 alignment requests instead. Add verification code.
4583 Add struct tree_function_decl and struct tree_binfo size to
4584 extra_order_size_table. Add missing element to size_lookup
4587 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4590 * fold-const.c (const_binop): Be prepared for self returning zero.
4591 Simplify code handling complex values.
4593 2006-06-24 Olivier Hainque <hainque@adacore.com>
4595 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4596 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4599 2006-06-24 Olivier Hainque <hainque@adacore.com>
4601 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4602 ARRAY_REF, so have the callback called for the low bound expression.
4604 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4606 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4607 * c-typeck.c (c_common_type): Disallow operations on decimal float
4608 types and other float types.
4609 * convert.c (convert_to_real): Don't ignore conversions involving
4610 decimal float types.
4612 2006-06-23 Olivier Hainque <hainque@adacore.com>
4614 * tree.c (max_int_size_in_bytes): New function, inspired from
4615 code in function.c:assign_temp.
4616 * tree.h (max_int_size_in_bytes): Declare.
4617 * function.c (assign_temp): Use it.
4618 * gimplify.c (create_tmp_var): Relax the assertions on the type
4619 properties, not mandating constant size any more.
4620 (force_constant_size): New static function.
4621 (gimple_add_tmp_var): Use it, forcing variable size to a
4622 constant upper bound if it is not constant on entry.
4624 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4627 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4628 for initialization and setting of one_only flag to ...
4629 (i386_pe_encode_section_info): ...here.
4630 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4631 Recheck that the symbol has not been defined.
4633 2006-06-23 Richard Guenther <rguenther@suse.de>
4635 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4636 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4637 alignment requests instead. Add verification code.
4638 Add struct tree_function_decl and struct tree_binfo size to
4639 extra_order_size_table. Add missing element to size_lookup
4642 2006-06-22 Roger Sayle <roger@eyesopen.com>
4643 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4646 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4647 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4649 2006-06-23 Ben Elliston <bje@au.ibm.com>
4651 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4652 negate dn -- manipulate it directly.
4654 2006-06-22 Roger Sayle <roger@eyesopen.com>
4655 Steven Bosscher <stevenb.gcc@gmail.com>
4658 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4659 generated by gen_move_insn to add REG_LABEL notes if necessary.
4661 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4663 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4664 (leaf_entry): Remove use of MIN_ESA.
4666 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4668 PR rtl-optimization/28121
4669 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4672 2006-06-21 DJ Delorie <dj@redhat.com>
4674 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4676 (mulhisi3_r): Likewise.
4678 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4681 * coverage.c (coverage_counter_alloc): Leave the index type
4683 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4686 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4688 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4689 section from the "Options for Code Generation Conventions".
4691 2006-06-21 Richard Henderson <rth@redhat.com>
4695 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4697 (global_symbolic_operand): Allow weak symbols, even if local_p.
4699 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4701 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4702 (find_interesting_uses_address): Punt if above function returns true.
4704 2006-06-21 Richard Guenther <rguenther@suse.de>
4706 * configure: Regenerated.
4708 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4710 * config/mips/mips.c (function_arg): Where one part of a
4711 complex argument is in registers and the other part in the stack,
4712 return a REG not a PARALLEL.
4714 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4716 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4717 when cross-compiling. Do not substitute libstdcxx_incdir.
4718 * configure: Regenerated.
4720 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4722 * varasm.c (mergeable_string_section): Check for embedded NULs and
4723 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4724 rather than TREE_STRING_LENGTH bytes.
4726 2006-06-21 Richard Guenther <rguenther@suse.de>
4728 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4729 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4732 2006-06-21 Richrad Guenther <rguenther@suse.de>
4734 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4735 Limit iteration over the dominators.
4737 2006-06-20 Roger Sayle <roger@eyesopen.com>
4739 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4740 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4742 2006-06-20 Richard Guenther <rguenther@suse.de>
4743 Michael Matz <matz@suse.de>
4745 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4747 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4748 * et-forest.h (et_free_pools): Prototype new function.
4749 * et-forest.c (et_free_tree_force): Free parent occurrence.
4750 (et_free_pools): New function.
4751 * dominance.c (free_dominance_info): Free et-forest alloc
4754 2006-06-20 Roger Sayle <roger@eyesopen.com>
4756 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4757 integer modes, attempt to directly construct an integer constant.
4759 * fold-const.c (native_encode_vector): Determine the size of each
4760 element from the vector type instead of the first vector element.
4762 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4763 if all of its elements/components are constant.
4764 (build_constructor_from_list): Likewise.
4766 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4768 PR tree-optimization/27331
4769 * tree-data-ref.c (free_data_ref): New function.
4770 (create_data_ref): Fail if the data reference has unknown access
4772 (free_data_refs): Use free_data_ref.
4774 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4777 * tree-inline.c (setup_one_parameter): Strip useless
4778 type conversion before adding it to the IR.
4779 (declare_return_variable): Likewise.
4781 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4784 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4786 2006-06-19 Mike Stump <mrs@apple.com>
4788 * tree.c (variably_modified_type_p): VM arguments don't make the
4791 2006-06-19 Richard Guenther <rguenther@suse.de>
4793 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4794 type conversions after folding.
4796 2006-06-19 Richard Guenther <rguenther@suse.de>
4798 * ggc-page.c (extra_order_size_tab): Add entries with
4799 size of struct function and basic_block.
4800 (size_lookup): Extend to cover sizes up to 511.
4801 (ggc_alloc_stat): Adjust user.
4802 (ggc_pch_count_object): Likewise.
4803 (ggc_pch_alloc_object): Likewise.
4804 (ggc_pch_write_object): Likewise.
4806 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4808 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4809 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4812 2006-06-19 Denis Chertykov <denisc@overta.ru>
4814 * config/avr/libgcc.S : Correct my wrong previous commit.
4816 2006-06-19 Roger Sayle <roger@eyesopen.com>
4819 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4820 have stripped a SUBREG from the shift count, so we may need to
4821 convert_to_mode back to the type's mode before calling make_tree.
4822 Use new_amount instead of amount to avoid expanding a tree twice.
4824 2006-06-19 Richard Guenther <rguenther@suse.de>
4827 * fold-const.c (operand_equal_p): Check if the argument types
4828 have the same precision before stripping NOPs.
4830 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4832 Fix PR tree-optimization/27341
4833 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4835 * tree-complex.c (pass_lower_complex): Update SMT usage.
4837 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4839 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4840 Add a new alternative to the constraint strings. Add move of
4841 operand 1 to 3 to the splitter definition.
4842 ("doloop_si_long"): Second contraint alternative removed.
4844 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4846 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4847 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4849 (AVR_HAVE_MOVW) Define.
4850 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4851 (ASM_SPEC): Add avr25.
4852 (LINK_SPEC): Add avr25.
4853 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4854 (base_arch_s): Add new member 'have_movw_lpmx'.
4855 (avr_arch_types): Init 'have_movw_lpmx'.
4856 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4857 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4858 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4859 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4860 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4862 (avr_file_start): Do not output '.arh' derective.
4863 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4864 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4865 * config/avr/avr.md (mcu_enhanced): Delete.
4866 (mcu_have_movw): Define.
4867 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4868 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4869 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4870 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4871 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4872 attiny861 and at86rf401 devices.
4874 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4876 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4879 2006-06-17 Karl Berry <karl@gnu.org>
4881 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4882 doc/gccint.texi, doc/install.texi (@dircategory): Use
4883 "Software development" instead of "Programming", following
4884 the Free Software Directory.
4886 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4888 * config/i386/i386.c (legitimate_tls_address)
4889 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4890 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4891 (*tls_dynamic_gnu2_combine_64): Likewise.
4893 2006-06-16 Richard Guenther <rguenther@suse.de>
4896 * fold-const.c (negate_expr_p): Do not introduce undefined
4897 overflow in negating INTEGER_CSTs.
4898 (fold_negate_expr): Rename from negate_expr. Revert last
4899 change for folding BIT_NOT_EXPR. Change semantics to
4900 return NULL_TREE for non-simplified negations. Do not
4901 strip type conversions and unify type handling.
4902 (negate_expr): New function, wrap around fold_negate_expr
4903 but ensure building a tree always. Strip type conversions
4904 here, fold to result type.
4905 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4907 2006-06-16 Roger Sayle <roger@eyesopen.com>
4910 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4911 that (would) return their results in stack registers.
4913 2006-06-16 Michael Matz <matz@suse.de>
4914 Richard Guenther <rguenther@suse.de>
4916 * fold-const.c (fold_truthop): Only return new tree node if
4917 we canonicalized something.
4919 2006-06-16 Richard Guenther <rguenther@suse.de>
4921 * function.h (enum function_frequency): Move declaration
4922 out of struct function.
4923 (struct function): Move bool fields and the enum to the bitfield
4924 section. Reorder elements to avoid padding. Remove unused
4925 fields left over from the RTL inliner removal.
4926 * function.c (free_after_compilation): Do not zero removed fields.
4927 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4928 (ipa-type-escape.o): Likewise.
4930 2006-06-16 Richard Guenther <rguenther@suse.de>
4932 * cgraph.h (struct cgraph_local_info): Turn bool elements
4934 (struct cgraph_node): Likewise.
4935 (struct cgraph_varpool_node): Likewise.
4937 2006-06-15 Richard Guenther <rguenther@suse.de>
4939 * fold-const.c (fold_truth_not_expr): Rename from
4940 invert_truthvalue. Give it fold_* semantics to avoid
4942 (invert_truthvalue): New function. Wrapper around
4943 fold_truth_not_expr.
4944 (optimize_minmax_comparison): Avoid creating garbage.
4945 (fold_unary): Use fold_truth_not_expr for folding
4947 (fold_ternary): Replace uses of invert_truthvalue with
4948 fold_truth_not_expr where applicable.
4949 * tree.h (fold_truth_not_expr): Prototype.
4951 2006-06-16 Richard Guenther <rguenther@suse.de>
4953 PR tree-optimization/27781
4954 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4955 * ipa-pure-const.c (target.h): Include.
4956 (analyze_function): Do not analyze functions that do not
4959 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4962 * tree-dfa.c (referenced_vars_dup_list): Remove.
4963 (find_referenced_vars): Remove assert.
4964 (referenced_var_check_and_insert): Replace dup list with assert.
4965 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4966 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4968 2006-06-15 Richard Guenther <rguenther@suse.de>
4970 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4971 extra unused identifiers if not dumping.
4972 (create_variable_info_for): Likewise.
4974 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4976 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4977 (derive_constant_upper_bound): Derive more precise upper bound in
4978 common cases. Return type changed to double_int.
4979 (record_estimate): Reflect the changed return type of
4980 derive_constant_upper_bound.
4981 * double-int.c (double_int_zext, double_int_sext): Fix.
4983 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4985 * configure.ac (CFLAGS): Get them from the toplevel or from the
4986 configure invocation.
4987 * configure: Regenerate.
4988 * Makefile.in (CFLAGS): Substitute value provided by configure.
4990 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4993 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4994 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4995 rather than calling add_stmt on it.
4996 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4998 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5001 * reload1.c (reload): Remove registers returned by update_eliminables
5002 from used_spill_regs.
5004 2006-06-13 DJ Delorie <dj@redhat.com>
5006 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5008 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5010 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5011 html__strip_dir, html__mkdir_p. Enhance install-html target.
5012 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5013 * configure: Regenerate.
5015 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5017 * fold-const.c (fold_cond_expr_with_comparison): Check for
5018 Objective-C++ as language in deciding COND_EXPR transformation.
5020 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5023 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5024 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5025 * config/sh/lib1funcs.h (SL, SL1): Define.
5026 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5027 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5028 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5029 (OBJS_Os_4_200): New variable.
5030 ($(T)libgcc-Os-4-200.a): Use it.
5031 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5032 when dividing 1 and/or by 0.
5034 2006-06-13 Roger Sayle <roger@eyesopen.com>
5036 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5037 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5038 * configure: Regenerate.
5040 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5042 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5043 for real instruction.
5045 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5048 * haifa-sched.c (check_cfg): Handle special case.
5050 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5053 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5054 Add debug_info parameter. Chain the vars to the BLOCK instead
5055 of the BIND_EXPR if debug info are requested for them.
5056 (pop_gimplify_context): Adjust for above change.
5057 (gimple_add_tmp_var): Likewise.
5058 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5060 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5061 (convert_local_reference): Likewise.
5062 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5063 (finalize_nesting_tree_1): Request that debug info be emitted
5064 for debug_var_chain.
5066 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5068 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5069 for PR target/27863.
5071 2006-06-13 Richard Guenther <rguenther@suse.de>
5074 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5076 2006-06-13 Richard Guenther <rguenther@suse.de>
5078 PR tree-optimization/27830
5079 * tree-inline.c (copy_body_r): For copying the operand
5080 of an ADDR_EXPR make sure to fold &* afterwards.
5082 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5084 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5085 lvalues in the fb_none case with side-effects.
5087 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5089 * tree-flow.h: Remove the prototype for
5090 compute_phi_arg_on_exit.
5091 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5092 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5095 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5097 * builtins.c (expand_builtin_return_addr): Only use
5098 frame_pointer_rtx when count == 0 and we are expanding
5099 __builtin_return_address.
5101 2006-06-12 Fred Fish <fnf@specifix.com>
5103 * config/mips/mips.c (mips_file_start): Create special section
5104 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5106 2006-06-11 Eric Christopher <echristo@apple.com>
5109 * stor-layout.c (place_field): Remove check for
5110 remaining_in_alignment when aligning at the end of a run.
5112 2006-06-11 Eric Christopher <echristo@apple.com>
5115 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5118 2006-06-11 Roger Sayle <roger@eyesopen.com>
5121 Revert incorrect fix for PR target/27158
5122 2006-05-08 Roger Sayle <roger@eyesopen.com>
5123 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5124 of a reg_equiv_constant if the result is a legitimate constant.
5126 2006-06-11 Roger Sayle <roger@eyesopen.com>
5129 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5130 extract a CONST_VECTOR element and interpret it as an integer.
5131 (vspltis_constant): Use const_vector_elt_as_int instead of the
5132 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5133 * config/rs6000/predicates.md (easy_vector_const): Consider
5134 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5136 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5139 * stor-layout.c (update_alignment_for_field): Don't add extra
5140 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5143 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5145 * config/mips/t-rtems: Add EL/EB multilib variants.
5147 2006-06-09 Mike Stump <mrs@apple.com>
5149 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5151 2006-06-09 David Daney <ddaney@avtrex.com>
5153 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5155 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5157 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5159 2006-06-09 Richard Guenther <rguenther@suse.de>
5161 PR tree-optimization/26998
5162 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5163 of signed types, only TYPE_MIN_VALUE is special, but for both,
5164 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5165 in this case, as is -fwrapv.
5167 2006-06-08 Mike Stump <mrs@apple.com>
5170 * config/darwin.c (darwin_asm_output_anchor): Disable
5171 -fsection-anchors on darwin for now.
5172 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5173 * rs6000/rs6000.c (optimization_options): Likewise.
5175 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5178 * config/i386/i386.c (classify_argument): Skip fields with invalid
5181 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5183 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5184 (cse_insn): Likewise for the stack_pointer_rtx.
5186 2006-06-08 Roger Sayle <roger@eyesopen.com>
5188 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5189 conditions from floating point comparisons.
5191 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5194 * expmed.c (struct alg_hash_entry): Fix type of field T
5195 to match synth_mult argument.
5196 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5198 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5201 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5204 2006-06-08 Richard Guenther <rguenther@suse.de>
5207 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5208 only, if overflow is defined and not trapping.
5209 (negate_expr): Likewise.
5211 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5213 PR tree-optimization/27872
5214 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5215 flag on the new exit edge of the unrolled loop.
5217 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5219 PR rtl-optimization/26449
5220 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5222 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5225 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5226 referenced_variables with matching DECL_UID's.
5227 (find_referenced_vars): Make sure duplicate list is empty to start.
5228 (referenced_var_p): Remove.
5229 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5230 Check if var is in the list, and add if needed. Update the duplicate
5231 list if a different var is in the list with the same DECL_UID.
5232 (add_referenced_var): Call routine to check and insert.
5233 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5234 * tree-flow.h (referenced_vars_dup_list): External declaration.
5236 2006-06-07 Fred Fish <fnf@specifix.com>
5238 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5241 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5244 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5245 the imaginary and real parts of a clobbered register.
5246 Emit insn to set the imaginary part.
5248 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5250 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5251 in lieu of unwind-dw2-fde.c.
5253 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5255 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5257 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5260 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5261 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5262 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5263 V4SImode temporaries and operations instead.
5265 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5267 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5270 2006-06-06 Mike Stump <mrs@apple.com>
5272 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5273 installing during build.
5275 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5277 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5279 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5280 * config/ia64/ia64.c (params.h): New header.
5281 (ia64_optimization_options): New function to adjust parameters.
5282 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5283 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5284 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5286 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5288 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5290 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5293 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5295 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5296 Victor Kaplansky <victork@il.ibm.com>
5298 PR tree-optimization/26360
5299 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5302 2006-06-04 Roger Sayle <roger@eyesopen.com>
5303 Andrew Pinski <pinskia@physics.uc.edu>
5306 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5307 for LABEL_DECL before calling DECL_WEAK.
5310 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5311 LABEL_DECL and PARM_DECL.
5313 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5317 * c-decl.c (grokdeclarator): Disallow variably modified types at
5318 file scope. Avoid marking shared array type of constant size as
5321 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5324 * c-common.c (fold_offsetof_1): Handle static members.
5326 2006-06-04 Eric Christopher <echristo@apple.com>
5328 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5329 (debug_rli): Output value for remaining_in_alignment.
5330 (update_alignment_for_field): Unconditionalize
5331 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5332 extra alignment code.
5333 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5334 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5335 * tree.h (record_layout_info_s): Remove prev_packed.
5336 * doc/extend.texi (ms_struct): Add documentation of format.
5338 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5340 * tree.h: Declare folding_initializer.
5341 * builtins.c (fold_builtin_constant_p): Give definite answer
5342 if folding inside an initializer.
5343 * fold-const.c: Define folding_initializer.
5344 (START_FOLD_INIT): Save and then set folding_initializer.
5345 (END_FOLD_INIT): Restore folding_initializer.
5347 2006-06-04 Richard Guenther <rguenther@suse.de>
5349 PR tree-optimization/27039
5350 * fold-const.c (fold_comparison): Handle pointer comparison
5351 again for all comparison codes. Compare offsets in signed
5353 (fold_binary): Move code from here.
5355 2006-06-03 Roger Sayle <roger@eyesopen.com>
5358 * config/i386/i386.c (construct_container): Split static issued_error
5359 flag into issued_sse_arg_error, issued_sse_ret_error and
5360 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5361 requires the use of x87 registers and the user explicitly
5362 specified the -mno-80387 command line option.
5364 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5366 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5367 HAVE_DECL_SIGALTSTACK.
5369 (segv_handler): Use MC_FLD.
5370 * configure.ac: Check for a sigaltstack declaration.
5371 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5372 * configure: Regenerate.
5373 * config.in: Regenerate.
5375 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5378 * Makefile.in (stmp-fixinc): Fix typo.
5380 2006-06-02 Roger Sayle <roger@eyesopen.com>
5382 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5383 are type correct. Clean-up.
5384 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5385 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5387 2006-06-01 DJ Delorie <dj@redhat.com>
5389 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5390 shift, as we've disabled the "switch" insn that needs it.
5392 2006-06-01 Per Bothner <bothner@bothner.com>
5394 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5395 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5396 * c-ppoutput.c (cb_define): Don't increment line 0.
5398 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5400 * doc/invoke.texi: Add cpu_type power6.
5401 * config.gcc: Add cpu_type power6.
5402 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5403 to power5+ with Altivec.
5404 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5405 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5407 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5409 * config/avr/avr.h (SET_ASM_OP): Define.
5411 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5413 * config/bfin/bfin.c: Fix comment typos.
5415 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5418 * doc/install.texi: Document --enable-bootstrap and
5419 --disable-bootstrap.
5421 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5423 * doc/install.texi: Document that InfoZIP can replace jar.
5425 2006-05-31 Roger Sayle <roger@eyesopen.com>
5427 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5428 isn't available, directly generate the simpler x87 patterns without
5429 the (use (const_int 0)).
5430 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5431 implementation isn't available.
5432 (*negdf2_1): Likewise.
5433 (*negxf2_1): XF mode negation is always done using the x87.
5434 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5436 2006-05-31 Roger Sayle <roger@eyesopen.com>
5438 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5439 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5441 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5443 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5445 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5446 * config/bfin/bfin.c (basic-block.h): Include.
5447 (struct machine_function): New.
5448 (bfin_init_machine_status): New.
5449 (override_options): Initialize init_machine_status.
5450 (bfin_hardware_loop): New.
5451 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5452 (DEF_VEC_P (loop_info)): New.
5453 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5454 (struct loop_info): New.
5455 (loop_info): New typedef.
5456 (struct loop_work): New.
5457 (loop_work): New typedef.
5458 (DEF_VEC_O (loop_work)): New.
5459 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5460 (bfin_dump_loops): New.
5461 (bfin_bb_in_loop): New.
5462 (bfin_scan_loop): New.
5463 (bfin_optimize_loop): New.
5464 (bfin_reorg_loops): New.
5465 (bfin_reorg): Use bfin_reorg_loops.
5466 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5468 (I_REGNO_P): Simplify.
5469 (DP_REGNO_P, DPREG_P): New macros.
5470 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5471 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5472 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5473 Add LT_REGS, LC_REGS, LB_REGS.
5474 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5476 (REGNO_REG_CLASS): Deal with loop registers.
5477 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5479 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5480 New constants for loop registers.
5481 (UNSPEC_LSETUP_END): New.
5482 (seq_insns): New define_attr. Set it for appropriate insns.
5483 (movsi_insn): Add alternatives for move from/to
5484 loop count registers.
5485 (doloop_end): New define_expand.
5486 (loop_end): New define_insn.
5487 (define_split for bad doloop_end): New.
5488 (lsetup_with_autoinit): New define_insn.
5489 (lsetup_without_autoinit): New define_insn.
5490 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5491 * config/bfin/predicates.md (lc_register_operand): New.
5492 (lt_register_operand): New.
5493 (lb_register_operand): New.
5494 (nondp_register_operand): New.
5495 (nondp_reg_or_memory_operand): New.
5496 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5498 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5500 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5501 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5503 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5505 * Makefile.in (CATALOGS): Add po/ prefix.
5506 * configure: Regenerated.
5508 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5511 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5512 a shift operand before calling shift_op. Avoid redundant call of
5515 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5516 DJ Delorie <dj@redhat.com>
5518 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5519 we're inserting is a singlt-bit constant.
5521 2006-05-30 Roger Sayle <roger@eyesopen.com>
5523 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5524 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5526 2006-05-30 Roger Sayle <roger@eyesopen.com>
5528 PR tree-optimization/23452
5529 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5530 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5531 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5532 complex values and with -ffast-math for FP complex values.
5534 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5536 * c-common.h: Remove the prototype for yyparse.
5537 * rtl.h: Remove the prototype for init_loop.
5539 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5541 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5544 2006-05-30 Roger Sayle <roger@eyesopen.com>
5546 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5548 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5549 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5551 2006-05-30 Dirk Mueller <dmueller@suse.de>
5554 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5555 for CONSTANT_CLASS_P expresisons.
5557 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5560 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5562 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5564 PR tree-optimization/27779
5565 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5566 initial_condition instead of CHREC_LEFT.
5568 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5570 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5571 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5572 Make prototypes ISO C90.
5574 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5575 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5577 * see.c (see_analyze_one_def): Correct check.
5578 (see_get_extension_data): Check if extension is parallel.
5579 (see_get_extension_reg): Likewise.
5581 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5584 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5585 into register for (code == GTU).
5587 2006-05-29 Roger Sayle <roger@eyesopen.com>
5589 PR tree-optimization/24964
5590 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5591 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5592 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5593 abs(x)*abs(x) as x*x for scalar floating point modes.
5595 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5598 * lambda-code.c (perfect_nestify): Don't copy statements
5599 in the inner loop: move them to the inner loop header.
5601 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5604 * c-tree.texi: Document OpenMP directives and clauses.
5606 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5608 * varasm.c (globalize_decl): Fix indentation.
5610 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5613 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5614 pass_fre, pass_store_ccp, pass_copy_prop,
5615 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5616 pass_return_slot, pass_object_size, pass_lim,
5617 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5618 pass_loop_prefetch and pass_stdarg.
5620 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5622 * config/bfin/bfin.opt (mfdpic): New option.
5623 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5624 (EXTRA_MULTILIB_PARTS): Likewise.
5625 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5626 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5628 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5629 (CRT_CALL_STATIC_FUNCTION): New.
5630 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5632 (CRT_CALL_STATIC_FUNCTION): New.
5633 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5635 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5636 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5637 (initialize_trampoline): Changed to handle FD-PIC code generation.
5638 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5639 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5640 (override_options): Disallow -mid-shared-library -mfdpic combination.
5641 Can't do unaligned ops if FD-PIC.
5642 Turn off flag_pic if trying to generate non-id-shared-library
5643 non-fdpic code, since it's not supported.
5644 (bfin_assemble_integer): New function.
5645 (TARGET_ASM_INTEGER): Define.
5646 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5648 * config/bfin/crtn.s: Restore them.
5649 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5651 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5652 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5653 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5654 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5655 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5657 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5658 FDPIC_REGS and FDPIC_FPTR_REGS.
5659 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5660 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5661 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5662 (load_funcdescsi): New pattern.
5663 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5664 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5665 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5667 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5669 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5672 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5674 * tree-flow.h: Remove the prototype for add_type_alias.
5675 * tree-ssa-alias.c (add_type_alias): Remove.
5677 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5679 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5680 config/fr30/fr30.md, config/i386/i386-interix.h,
5681 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5682 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5683 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5684 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5685 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5686 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5687 Follow spelling conventions.
5688 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5689 Follow spelling conventions.
5691 2006-05-27 Richard Guenther <rguenther@suse.de>
5694 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5695 to produce a constant of value 1 of generic type.
5697 2006-05-27 Dirk Mueller <dmueller@suse.de>
5699 * cgraphunit.c (decide_is_function_needed): Fix wrong
5702 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5704 PR rtl-optimization/27661
5705 * reload.c (find_reloads): When reloading a VOIDmode constant
5706 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5707 use Pmode as mode of the reload register.
5709 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5711 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5712 is enabled at -O and above.
5714 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5717 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5720 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5723 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5724 for anonymous variables explicitly declared by front ends.
5726 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5728 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5729 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5730 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5731 ref-all pointers, run a finalization pass for them.
5732 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5733 (finalize_ref_all_pointers): New function.
5734 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5735 regular pointer type to a ref-all pointer type.
5736 (get_tmt_for): Return the special memory tag for ref-all pointers.
5738 2006-05-25 Richard Guenther <rguenther@suse.de>
5741 * fold-const.c (fold_binary): Do not look at the stripped
5742 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5744 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5746 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5747 for LT and GT if the computed range is effectively empty.
5749 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5752 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5753 mips_quad_format formats instead of ieee_single_format,
5754 ieee_double_format and ieee_quad_format formats, respectively.
5756 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5758 PR tree-optimization/27639
5759 PR tree-optimization/26719
5760 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5761 call to scev_probably_wraps_p.
5762 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5763 used_in_pointer_arithmetic_p, convert_step): Removed.
5764 (nowrap_type_p): New function.
5765 (scev_probably_wraps_p): Rewritten.
5766 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5767 chrec_convert if chrec_convert_aggressive might have been used.
5768 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5769 scev_direction): New functions.
5770 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5771 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5772 instead of convert_step.
5773 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5774 (convert_step): Declaration removed.
5775 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5777 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5779 * df-core.c: Added to header comments.
5780 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5781 df_ur_bb_info, df_urec_bb_info): Added comments.
5782 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5783 urec, ri problems): Fixed header comments.
5784 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5785 code from df_rd_transfer_function.
5787 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5789 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5790 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5791 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5793 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5795 * expr.c (undefined_operand_subword_p): New.
5796 (emit_move_multi_word): Do not generate move from undefined bits
5797 of a paradoxical subreg.
5799 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5801 PR rtl-optimization/27736
5802 * combine.c (replaced_rhs_value): New variable.
5803 (combine_instructions): Set it.
5804 (distribute_notes): When distributing a note in replaced_rhs_insn,
5805 check whether the value was used in replaced_rhs_value.
5807 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5810 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5811 add_referenced_var instead of add_referenced_tmp_var.
5812 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5813 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5815 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5816 tree_optimize_tail_calls_1): Use add_referenced_var.
5817 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5818 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5819 Use add_referenced_var.
5820 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5821 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5822 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5823 Use add_referenced_var.
5824 * tree-dfa.c (struct walk_state): Remove.
5825 (find_referenced_vars): Remove walk state and vars_found hash table.
5826 (make_rename_temp): Use add_referenced_var.
5827 (find_vars_r): Pass less parameters to add_referenced_var.
5828 (referenced_var_p): New. Is var in referenced_var hash table.
5829 (referenced_var_insert): Assert var isn't already in hash table.
5830 (add_referenced_var): Don't need walk_state parameter. Add var if it
5831 isn't already in the hash table.
5832 (add_referenced_tmp_var): Remove.
5833 (find_new_referenced_vars_1): Use add_referenced_var.
5834 * tree-ssa-pre.c (create_expression_by_pieces,
5835 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5836 Use add_referenced_var.
5837 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5838 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5839 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5841 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5842 vect_create_data_ref_ptr, vect_create_destination_var,
5843 vect_init_vector, vect_build_loop_niters,
5844 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5845 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5846 Use add_referenced_var.
5847 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5848 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5849 (add_referenced_var): Add prototype.
5850 * tree-ssa-structalias.c (get_constraint_for,
5851 intra_create_variable_infos): Use add_referenced_var.
5853 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5855 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5856 big-endian paradoxical subregs.
5857 * var-tracking.c (struct micro_operation_def): Document that,
5858 for modify micro operations, insn is the subsequent instruction.
5859 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5860 (var_reg_set, var_mem_set): ... new functions.
5861 (add_stores): Record subsequent insn.
5862 (compute_bb_dataflow): Use new functions for MO_USE.
5863 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5864 notes after the insn, and modify notes before the insn known
5865 to be the subsequent one.
5866 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5868 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5871 * config/i386/i386.c (ix86_expand_builtin): Use
5872 gen_sse3_monitor64 for TARGET_64BIT.
5874 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5876 PR rtl-optimization/26375
5877 PR rtl-optimization/26855
5878 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5880 (df_ru_bb_local_compute): Reversed statements and removed bogus
5881 comment explaining why they should be in wrong order.
5882 (df_ru_dump, df_rd_dump): Enhanced debug info.
5883 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5885 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5886 reaching uses and fixed space problem.
5888 2006-05-23 Jan Hubicka <jh@suse.cz>
5890 * cgraphunit.c (decide_is_function_needed): Also nested functions
5891 and functions declared inline can be optimized out at -O0.
5893 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5895 * doc/install.texi (Configuration): Remove reference to CrossGCC
5899 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5902 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5903 ix86_compare_emitted is non-NULL.
5905 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5908 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5911 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5913 PR rtl-optimization/25514
5914 * combine.c (replaced_rhs_insn): New variable.
5915 (combine_instructions): Set replaced_rhs_insn when trying to replace
5916 a SET_SRC with a REG_EQUAL note.
5917 (distribute_notes): Use replaced_rhs_insn when determining the live
5918 range of a REG_DEAD register.
5920 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5921 Anatoly Sokolov <aesok@post.ru>
5923 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5924 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5925 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5926 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5927 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5928 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5929 at90usb647, at90usb1286 and at90usb1287 devices.
5930 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5931 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5933 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5935 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5937 2006-05-22 Richard Guenther <rguenther@suse.de>
5940 2006-01-31 Richard Guenther <rguenther@suse.de>
5941 Paolo Bonzini <bonzini@gnu.org>
5943 * doc/install.texi (--disable-libgcc-math): Document.
5945 2006-05-22 Richard Guenther <rguenther@suse.de>
5948 2006-01-31 Richard Guenther <rguenther@suse.de>
5950 * doc/invoke.texi (-msselibm): Document.
5951 * target.h (expand_library_builtin): New target hook.
5952 * builtins.c (expand_builtin): Use expand_library_builtin.
5953 (default_expand_library_builtin): New function.
5954 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5955 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5956 (link_gcc_math_spec): Declare.
5957 (static_specs): Add link_gcc_math_spec.
5958 * expr.h (default_expand_library_builtin): Declare.
5959 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5960 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5961 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5962 * config/i386/i386.opt (msselibm): New target option.
5963 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5964 (ix86_init_sse_abi_builtins): New function.
5965 (ix86_expand_library_builtin): Likewise.
5966 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5967 (override_options): Handle error conditions wrt -msselibm.
5968 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5969 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5970 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5973 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5976 * c-common.c (self_promoting_args_p): Skip erroneous args.
5979 * c-decl.c (finish_struct): Skip erroneous fields.
5981 2006-05-22 Nick Clifton <nickc@redhat.com>
5983 * config/cris/cris.opt (march): Remove VarExists attribute.
5984 (max-stackframe=): Likewise.
5986 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5988 * doc/rtl.texi: Fix a typo.
5989 * see.c: Fix comment typos.
5991 * tree-ssa-structalias.h (alias_info): Remove num_references.
5993 2006-05-21 Mike Stump <mrs@apple.com>
5995 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5997 (darwin_pragma_options): Use BAD instead.
5998 (darwin_pragma_unused): Likewise.
5999 (darwin_pragma_ms_struct): Likewise.
6001 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6003 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6005 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6007 PR rtl-optimization/27671
6008 * simplify-rtx.c (simplify_relational_operation_1): Fix
6009 simplifications of (eq/ne (xor x y) y) and
6010 (eq/ne (xor x y) x).
6012 PR tree-optimization/26622.
6013 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6016 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6018 * tree-cfg.c: Prune whitespace.
6019 (debug_tree_cfg): Point to correct header containing the
6022 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6025 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6027 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6030 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6031 or sorry count is non zero.
6033 2006-05-20 Andreas Schwab <schwab@suse.de>
6035 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6037 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6038 Kenneth Zadeck <zadeck@naturalbridge.com>
6040 PR rtl-optimization/26855
6042 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6044 (df_scan_alloc): Added code to properly handle multiword hard
6045 registers and add all_blocks parameter.
6046 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6047 code to properly handle multiword hard registers.
6048 (df_rescan_blocks): Added code to remove deleted blocks from
6050 (df_ref_create_structure, df_ref_record): Added code to properly
6052 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6053 and set DF_REF_PARTIAL.
6054 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6055 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6056 (df_scan_add_problem): Added flags parameter.
6057 (df_ref_create_structure): Changed switching structure.
6058 (df_bb_refs_record): Fixed case where duplicate artificial refs
6059 were created. Changed location of flags.
6060 (df_record_entry_block_defs): Added code to make stack pointer
6061 live in entry block. Refined cases where frame pointer is needed.
6062 Changed location of flags.
6063 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6064 (df_set_state): Removed function.
6065 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6066 df_insn_create_insn_record, df_insn_refs_delete,
6067 df_ref_create_structure): Formatting changes.
6068 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6069 df_delete_basic_block): New function.
6070 (df_init): Changed location of flags.
6071 (df_add_problem): Added flags parameter and the way flags are
6073 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6074 debug_df_chain): Improved debugging output.
6075 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6076 (df_refs_chain_dump): Removed df parameter.
6077 (df_iterative_dataflow): Added consistency check.
6078 (df_prune_to_subcfg): Made public.
6079 (df_analyze_problem): Added blocks_to_init parameter and made
6081 (df_ref_record, df_bb_refs_record, df_mark_reg,
6082 df_record_exit_block_uses): Whitespace changes.
6083 (df_dump): Whitespace changes.
6084 * df.h: Some reordering to remove forward references.
6085 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6086 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6087 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6088 (dataflow.flags): New field.
6089 (df.flag): Deleted field.
6090 (df_alloc_function): Added additional bitmap parameter.
6091 (df_dependent_problem_function): New type.
6092 (df_problem.changeable_flags): New field.
6093 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6094 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6095 (df_mw_hardreg): New struct.
6096 (DF_INSN_UID_MWS): New macro.
6097 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6099 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6100 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6101 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6102 (df_set_state): Removed function.
6103 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6104 * df-problems.c (df_chain_dump): Removed df parameter.
6105 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6106 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6108 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6109 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6110 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6111 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6112 DF_REF_MUST_CLOBBER cases.
6113 (df_ru_bb_local_compute_process_def,
6114 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6115 df_lr_bb_local_compute, df_ur_bb_local_compute,
6116 df_chain_create_bb): Made subreg aware.
6117 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6118 df_lr_bb_local_compute, df_lr_bb_local_compute,
6119 df_chain_create_bb): Cleanup to use proper macros.
6120 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6121 code to fixup bitvectors.
6122 (df_ri_alloc): Cleared lifetime.
6123 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6124 df_create_unused_note): New function.
6125 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6126 REG_DEAD and REG_UNUSED notes as well as register information.
6127 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6128 df_chains_dump): Fixed crash if problem was never run.
6129 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6130 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6131 df_ri_add_problem): Processes flags in uniform manner.
6132 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6133 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6134 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6135 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6136 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6137 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6138 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6139 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6140 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6141 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6142 * see.c (see_initialize_data): Ditto.
6143 * final.c (rest_of_clean_state) Added regstack_completed.
6144 * rtl.h (regstack_completed): Ditto.
6145 * reg-stack.c (regstack_completed): Ditto.
6147 2006-05-19 Mike Stump <mrs@apple.com>
6149 * c-tree.h (default_conversion): Remove.
6150 * c-common.h (default_conversion): Add.
6152 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6154 * tree-vrp.c (valid_value_p): New function.
6155 (adjust_range_with_scev): Fail if the value of bound is not
6158 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6160 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6161 (mips_fallback_frame_state): Use syscall numbers to determine
6162 the appropriate li instruction for the current ABI. Only use
6163 __NR_sigreturn for o32.
6165 2006-05-19 Nicolas Setton <setton@adacore.com>
6167 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6168 * langhooks.c (lhd_dwarf_name): New function.
6169 * langhooks-def.h (lhd_dwarf_name): Declare.
6170 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6171 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6172 * ada/misc.c (gnat_dwarf_name): New function.
6173 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6175 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6177 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6179 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6180 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6181 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6182 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6183 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6184 determine the size of Wtype, etc.
6185 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6186 (swfloatfuncs): New variable.
6187 (dwfloatfuncs): Likewise.
6188 (lib2funcs): Remove floating-point conversion functions from
6189 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6190 the set of conversion routines needed. Allow entries to specify
6191 an object name, filename and word size. Update users accordingly.
6192 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6193 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6197 2006-02-08 Roger Sayle <roger@eyesopen.com>
6200 * config/fixtfdi.c: New libgcc source file.
6201 * config/fixunstfdi.c: New source file.
6202 * config/floatditf.c: New source file.
6203 * config/floatunditf.c: New souce file.
6204 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6205 files above instead of config/mips/_tilib.c.
6206 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6208 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6210 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6211 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6213 2006-05-18 Mike Stump <mrs@apple.com>
6215 Fix up vla, vm and [*] sematics.
6221 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6222 (c_vla_unspec_p): Add.
6223 (c_vla_type_p): Add.
6224 * c-decl.c (struct c_scope): Add had_vla_unspec.
6225 (build_array_declarator): Add support for [*].
6226 (grokdeclarator): Likewise.
6227 (grokparms): Likewise.
6228 (get_parm_info): Likewise.
6229 * c-objc-common.c (c_vla_unspec_p): Likewise.
6230 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6231 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6232 typeof when argument is a variably modified type not inside sizeof or alignof.
6233 (c_parser_direct_declarator_inner): Propagate errors.
6234 (c_parser_sizeof_expression): Add support for [*].
6235 (c_parser_parms_declarator): Initialize had_vla_unspec.
6236 (c_parser_parms_list_declarator): Likewise.
6237 * c-typeck.c (c_vla_type_p): Add.
6238 (composite_type): Add support for vla compositing.
6239 (comptypes_internal): Add support for vla compatibility.
6240 (c_expr_sizeof_expr): Evaluate vla arguments.
6241 * tree.c (variably_modified_type_p): Update comment for [*].
6243 2006-05-18 Michael Matz <matz@suse.de>
6246 * config.host: Make assignments to host_xmake_file cumulative.
6247 * config.host (*-darwin*): Test $host, not $target.
6249 2006-05-12 Stuart Hastings <stuart@apple.com>
6251 * config/i386/i386.opt (-mstackrealign): New flag.
6252 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6253 (ix86_handle_cconv_attribute): Emit error when
6254 force_align_arg_pointer attribute collides with too many regparms.
6255 (ix86_function_regparm): Limit regparms when used with
6256 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6257 Support stack-realigning prologue in non-main functions. Emit
6258 warning for nested functions under -mstackrealign, emit error for
6259 nested functions with force_align_arg_pointer attribute.
6260 * doc/extend.texi (force_align_arg_pointer): Document it.
6261 * doc/invoke.texi (-mstackrealign): Document it.
6263 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6265 PR rtl-optimization/27477
6266 * combine.c (try_combine): Don't split a parallel consisting
6267 of two sets into two individual sets if both sets reference
6270 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6272 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6273 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6275 * doc/options.texi (VarExists): Updated.
6277 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6279 * unwind-dw2.c: Add declarations for uw_update_context and
6281 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6282 detected, advance frame state and context once to skip over stub.
6284 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6288 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6289 Call rewrite_into_loop_closed_ssa only when something changed.
6290 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6291 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6292 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6293 Test for perfect_nest_p here. Fix formating.
6294 (replace_uses_equiv_to_x_with_y): Fix formating.
6295 (stmt_uses_op): Removed.
6296 (can_convert_to_perfect_nest): Removed loopivs parameter.
6297 Complete the test by checking the scalar dependences.
6298 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6301 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6304 From Dan Kegel <dank@kegel.com>:
6305 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6307 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6309 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6310 if the element type is variably modified without recursing.
6312 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6315 * tree-loop-linear.c (try_interchange_loops): Test for
6316 no data dependences.
6318 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6320 PR tree-optimization/27548
6321 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6322 range of ssa names that appear on abnormal edges.
6323 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6324 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6326 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6329 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6331 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6334 * tree.h (OMP_PARALLEL_COMBINED): Define.
6335 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6336 (new_omp_context): Add is_combined_parallel argument.
6337 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6338 new_omp_context caller.
6339 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6340 Adjust gimplify_scan_omp_clauses callers.
6341 (omp_is_private): Issue errors if iteration variable is firstprivate
6342 or reduction in the current context.
6343 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6344 on combined parallel workshare constructs.
6346 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6348 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6349 (gcc-options.o): New rule.
6351 * optc-gen.awk: Protect variables for gcc-options.o with
6352 #ifdef GCC_DRIVER/#endif.
6354 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6356 Fix PR tree-optimization/27373
6357 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6358 (forward_propagate_addr_expr): Update call.
6360 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6362 * doc/options.texi: Move the Negative option.
6364 2006-05-16 Richard Guenther <rguenther@suse.de>
6366 PR tree-optimization/22303
6367 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6369 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6370 ccp_fold did not simplify the statement.
6372 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6375 * Makefile.in (GCC_OBJS): New.
6376 (OBJS-common): Add opts-common.o.
6377 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6378 (cpp$(exeext)): Likewise.
6379 (gcc.o): Also depend on opts.h.
6380 (opts-common.o): New.
6382 * common.opt (gcoff): Add Negative(gdwarf-2).
6383 (gdwarf-2): Add Negative(gstabs).
6384 (gstabs): Add Negative(gstabs+).
6385 (gstabs+): Add Negative(gvms).
6386 (gvms): Add Negative(gxcoff).
6387 (gxcoff): Add Negative(gxcoff+).
6388 (gxcoff+): Add Negative(gcoff).
6389 * config/i386/i386.opt (m32): Add Negative(m64).
6390 (m64): Add Negative(m32).
6392 * doc/options.texi: Document the Negative option.
6394 * gcc.c: Include "opts.h".
6395 (main): Call prune_options after expandargv.
6397 * optc-gen.awk: Generate common declarations for all flag
6398 variables in options.c. Output the neg_index field.
6400 * opts.c (find_opt): Moved to ...
6401 * opts-common.c: Here. New file.
6403 * opts.h (cl_option): Add a neg_index field.
6405 (prune_options): Likewise.
6407 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6410 * omp-low.c (expand_omp_parallel): Don't assert
6411 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6412 instead search for it.
6415 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6418 2006-05-16 Andreas Schwab <schwab@suse.de>
6420 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6423 2006-05-15 Roger Sayle <roger@eyesopen.com>
6426 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6427 integer constants other than zero are only legitimate on TARGET_64BIT.
6428 <CONST_VECTOR> Only zero vectors are legitimate.
6429 (ix86_cannot_force_const_mem): Integral and vector constants can
6430 always be put in the constant pool.
6432 2006-05-16 DJ Delorie <dj@redhat.com>
6434 * crtstuff.c (__dso_handle): Set section from
6435 TARGET_LBIGCC_SDATA_SECTION if defined.
6436 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6437 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6439 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6442 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6445 2006-05-16 Ben Elliston <bje@au.ibm.com>
6447 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6449 2006-05-15 Per Bothner <per@bothner.com>
6451 * tree.c: (last_annotated_node): Use source_locus typedef.
6452 This permits bootstrapping with --enable-mapped-location.
6454 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6456 PR tree-optimization/26830
6457 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6458 (info_for_ssa_name, current_info_for_ssa_name_age,
6459 blocks_to_update): New variables.
6460 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6461 (clear_ssa_name_info, initialize_flags_in_bb,
6462 mark_block_for_update): New functions.
6463 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6464 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6465 prepare_def_site_for): Use mark_block_for_update.
6466 (mark_def_interesting): Assert that the processed block is marked in
6467 blocks_to_update. Do not take blocks argument.
6468 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6470 (rewrite_update_init_block, rewrite_update_stmt): Only process
6471 blocks with statements to rewrite.
6472 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6473 (update_ssa): Initialize and free blocks_to_update. Do not
6474 clear flags on statements. Do not use blocks bitmap.
6475 * tree.h (SSA_NAME_AUX): Removed.
6476 (struct tree_ssa_name): Removed aux field.
6477 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6479 2006-05-15 Richard Guenther <rguenther@suse.de>
6481 PR tree-optimization/27603
6482 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6483 Do computations in original type.
6485 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6487 * see.c: Code style changes such as redundant paranthesis,
6488 redundant intialization of local variables etc.
6489 (see_main): Declared now as static.
6490 * doc/invoke.texi: Update that -fsee is not enabled by
6493 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6495 * omp-low.c (check_omp_nesting_restrictions): New function.
6496 (scan_omp_1): Call it.
6499 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6500 construct, return *VAR.
6502 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6504 PR rtl-optimization/27406
6505 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6508 2006-05-14 Roger Sayle <roger@eyesopen.com>
6510 PR rtl-optimization/27538
6511 * combine.c (expand_compound_operation): Call gen_lowpart
6512 before calling simplify_shift_const.
6514 2006-05-14 Roger Sayle <roger@eyesopen.com>
6516 PR rtl-optimization/22563
6517 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6518 a fixed width bitfield, always force the intermediates into psuedos.
6520 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6523 * mkconfig.sh: Use operator = instead of == for test.
6525 2006-05-13 Nick Clifton <nickc@redhat.com>
6527 * dwarf2out.c (dbx_reg_number): Check return value from
6528 LEAF_REG_REMAP and only use it if it is valid.
6529 (multiple_reg_loc_descriptor): Likewise.
6531 2006-05-13 Richard Guenther <rguenther@suse.de>
6533 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6536 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6538 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6539 information attached to non-INSNs such as NOTEs.
6540 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6542 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6544 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6546 * config/s390/s390.md: Adjust comment describing On constraint.
6548 2006-05-11 Jan Hubicka <jh@suse.cz>
6550 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6551 to be output at -O0.
6553 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6556 * fold-const.c (size_binop): Move sanity check for arguments to
6557 the beginning of the function.
6560 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6563 2006-05-11 Richard Guenther <rguenther@suse.de>
6566 * fold-const.c (fold_unary): Handle intermediate conversion
6567 to a pointer type like intermediate conversion to an integer
6568 type in folding of (T1)(T2)var to var.
6569 Match the code to the comment in the final conversion for
6570 (T1)(T2)var to (T1)var regarding to type precision. Rather
6571 than disallow T1 being of pointer type, assert that both T1
6572 and var are of pointer type or not. Make sure not to fall
6573 over the frontends lazyness wrt array to pointer decay though.
6575 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6577 * arm.c (arm_struct_value_rtx): Delete.
6578 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6579 (arm_init_cumulative_args): Always initialize nregs to zero.
6581 2006-05-10 Richard Guenther <rguenther@suse.de>
6583 PR tree-optimization/27532
6584 * tree-object-size.c (plus_expr_object_size): Fix typo.
6586 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6589 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6590 ashrdi_const, ashrdi3): Use a scratch register.
6592 2006-05-10 Richard Guenther <rguenther@suse.de>
6594 PR tree-optimization/27302
6595 * fold-const.c (operand_equal_p): For two comparisons,
6596 try comparison of one comparison code swapped if that yields
6599 2006-05-10 Ben Elliston <bje@au.ibm.com>
6601 * tree-pretty-print.c (pretty_print_string): No need to handle
6602 '\0' as a special character.
6604 * tree.h: Include "hashtab.h".
6605 (iterative_hash_expr): Use hashval_t in its prototype.
6606 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6608 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6611 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6612 (hppa*64*-*-hpux11*): Ditto.
6613 (hppa[12]*-*-hpux11*): Ditto.
6615 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6618 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6620 2006-05-09 Michael Matz <matz@suse.de>
6622 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6623 host_extra_gcc_objs and host_xmake_file.
6624 (<*-*-linux*>): Don't overwrite host_xmake_file.
6625 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6626 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6627 (host_detect_local_cpu): Declare.
6628 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6629 * config/i386/i386.c (override_options): Handle -mtune=native
6631 * config/i386/x-i386: New file.
6632 * config/i386/driver-i386.c: New file.
6633 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6636 2006-05-09 Dirk Mueller <dmueller@suse.de>
6637 Richard Guenther <rguenther@suse.de>
6640 * fold-const.c (fold_read_from_constant_string): Relax check
6641 for matching types to matching modes.
6643 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6645 PR rtl-optimization/27335
6646 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6649 2006-05-08 Chao-ying Fu <fu@mips.com>
6650 Richard Sandiford <richard@codesourcery.com>
6652 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6653 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6654 * config/mips/mips.md (UNSPEC_SCC): New constant.
6655 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6656 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6657 (mips_emit_compare): Use it.
6658 (mips_expand_vcondv2sf): New function.
6660 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6662 Fix PR tree-optimization/27093
6663 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6664 renaming when they become not-used_alone.
6666 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6668 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6669 relocation and relocation stubs.
6671 2006-05-08 Eric Christopher <echristo@apple.com>
6673 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6676 2006-05-08 Jan Hubicka <jh@suse.cz>
6679 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6680 unused static functions are needed.
6682 2006-05-08 Roger Sayle <roger@eyesopen.com>
6685 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6686 of a reg_equiv_constant if the result is a legitimate constant.
6688 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6691 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6692 standard 80387 constants, raise the cost to prevent
6693 compress_float_constant() to generate load from memory.
6695 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6697 * config/arm/constraints.md (c): Fix a typo.
6699 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6702 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6705 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6707 (_mm_mwait): Likewise.
6709 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6711 (sse3_monitor): Make it 32bit only.
6712 (sse3_monitor64): New. 64bit monitor.
6714 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6717 * config/i386/i386.c (classify_argument): Skip fields with invalid
6720 2006-05-07 Richard Guenther <rguenther@suse.de>
6722 PR tree-optimization/27409
6723 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6724 Do not try to find zero-sized subvars.
6726 2006-05-07 Richard Guenther <rguenther@suse.de>
6728 PR tree-optimization/27136
6729 * tree-ssa-loop-niter.c (get_val_for): Correct function
6730 comment, assert requirements.
6731 (loop_niter_by_eval): Stop processing if the iterated
6732 value did not simplify.
6734 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6736 * opts.c (flag_see): remove its setting at -O3.
6738 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6740 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6741 * arm/constraints.md: New file.
6742 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6743 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6744 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6745 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6746 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6747 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6748 * arm.md: Include constraints.md.
6749 (thumb_movsi_insn): Use satisfies_constraint_J.
6750 (movhi, movqi): Use satisfies_constraint_I.
6752 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6754 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6755 for atmeg a645 device.
6757 2006-05-06 Richard Guenther <rguenther@suse.de>
6759 PR tree-optimization/27151
6760 * tree-vect-transform.c (vectorizable_condition): Punt on
6761 values that have a different type than the condition.
6763 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6766 * c-parser.c (c_parser_cast_expression): Only insert casts into
6767 hash table if pointer.
6768 * function.c (used_types_insert_helper): Rename from
6770 (used_types_insert): Call used_types_insert_helper.
6771 * function.h (used_types_insert): Accept only one argument.
6773 2006-05-05 David Edelsohn <edesohn@gnu.org>
6775 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6776 scratch with output modifier.
6778 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6781 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6782 with output modifier.
6784 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6787 * config/mips/mips.c (mips_symbolic_address_p): Return true
6788 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6789 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6791 2006-05-04 Richard Guenther <rguenther@suse.de>
6793 PR tree-optimization/14287
6794 PR tree-optimization/14844
6795 PR tree-optimization/19792
6796 PR tree-optimization/21608
6797 PR tree-optimization/27090
6798 * tree-ssa-pre.c (try_combine_conversion): New function.
6799 (compute_avail): After constructing the value-handle
6800 expression, use try_combine_conversion to combine NOP_EXPRs
6801 with previous value-handle expressions and use the result if it
6804 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6806 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6808 2006-05-04 Jan Hubicka <jh@suse.cz>
6811 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6813 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6815 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6816 that this only matches CONST_INTs. All users changed to VOIDmode
6819 * config/bfin/bfin.c: Include "optabs.h".
6820 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6822 (enum bfin_builtins): Add a number of fractional and vector builtins.
6823 (bfin_init_builtins): Likewise.
6824 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6825 (safe_vector_operand, bfin_expand_binop_builtin,
6826 bfin_expand_unop_builtin): New functions.
6827 (bfin_expand_builtin): Handle the new builtins.
6828 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6831 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6834 * Makefile.in (OBJS-common): Add see.o.
6835 (see.o): Add dependencies.
6836 * common.opt (fsee): New flag for the see optimization was added.
6837 * opts.c (flag_see): Initialized.
6838 * passes.c (init_optimization_passes, pass_see): New pass.
6839 * rtl.h (see_main): Declaration as extern.
6840 * timevar.def (TV_SEE): New.
6841 * tree-pass.h (pass_see): Declaration as extern.
6842 * invoke.texi (-fsee): Document.
6843 * recog.c (validate_simplify_insn): New function.
6844 * recog.h (validate_simplify_insn): Declaration as extern.
6845 * df-problems.c (df_chain_dump): Check for NULL.
6847 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6848 Daniel Berlin <dberlin@dberlin.org>
6850 * cfgrtl.c (insert_insn_bb_end_new): New function.
6851 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6853 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6855 * df.h (struct web_entry): Moved from web.c.
6856 (union_defs): Declaration as extern.
6857 (unionfind_root): Likewise.
6858 (unionfind_union): Likewise.
6859 * web.c (struct web_entry): Moved to df.h.
6860 (unionfind_root): Remove static declaration.
6861 (unionfind_union): Likewise.
6862 (union_defs): Likewise and generalize to use callback function.
6863 (web_main): Update arguments for union_defs function call.
6865 2006-05-04 Richard Guenther <rguenther@suse.de>
6867 PR tree-optimization/26447
6868 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6869 produce SSA_NAME copies before the store stmt to avoid
6870 breaking exception handling.
6872 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6875 * gimplify.c (omp_is_private): If var is shared in some outer context,
6876 return false instead of true. Stop searching on parallel context
6879 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6882 * coverage.c: Use get_gcov_unsigned_t() instead of
6883 unsigned_type_node all over.
6885 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6887 PR tree-optimization/27381
6888 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6889 maintain the same immediate_use links.
6890 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6891 node rather than segfaulting.
6893 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6896 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6897 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6898 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6900 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6902 Fix PR tree-optimization/26626
6903 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6905 * tree-ssa-operands.c (access_can_touch_variable): Allow
6906 typecasting through union pointers.
6908 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6911 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6912 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6913 to find if var will be a global variable even in the nested context.
6914 (omp_copy_decl): Only check for global variable at the end, it might
6915 be overridden in outer contexts.
6916 (scan_sharing_clauses): For global variables don't create a field.
6917 (lower_rec_input_clauses): Do nothing for global shared variables.
6918 Emit a barrier at the end of ILIST if there were any decls in both
6919 firstprivate and lastprivate clauses.
6920 (lower_send_clauses): Do nothing for global variables except for
6923 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6925 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6926 of the correct signedness is returned.
6928 2006-05-02 Jeff Law <law@redhat.com>
6930 PR tree-optimization/27364
6931 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6932 multiply expressions.
6934 2006-05-02 Tom Tromey <tromey@redhat.com>
6936 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6938 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6941 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6942 -mthumb -fPIC are used.
6944 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6945 Joshua Kinard <kumba@gentoo.org>
6948 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6949 with 64-bit pointers.
6951 2006-05-02 Paul Brook <paul@codesourcery.com>
6953 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6955 (create_fix_barrier): Check that a suitable barrier location is
6957 (arm_reorg): Include ftmp->address in allowable range of addresses.
6959 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6962 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6965 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6968 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6969 around RESULT_DECL for result passed by reference.
6970 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6971 * omp-low.c (use_pointer_for_field): Don't look at
6972 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6973 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6974 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6975 time or var for passing by reference for
6976 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6977 TREE_ADDRESSABLE variables when passing by reference.
6979 * omp-low.c (dump_omp_region): Fix output formatting.
6982 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6983 (expand_omp_parallel): Likewise.
6984 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6987 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6988 on statement list containing also constructors and destructors.
6989 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6992 * except.c (duplicate_eh_regions): Fix clearing of
6993 cfun->eh->region_array entries.
6995 2006-05-01 DJ Delorie <dj@redhat.com>
6997 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6999 (gcc_cv_objdump): Likewise.
7000 * configure: Regenerated.
7002 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7005 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7006 templates for case 3 and 4.
7008 2006-05-01 DJ Delorie <dj@redhat.com>
7010 * vec.c: Include bconfig.h when appropriate.
7011 * Makefile.in (build/vec.o): Adjust dependencies.
7012 * mkconfig.sh: Make sure config.h isn't used for build machine
7015 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7017 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7019 (mark_phi_for_rewrite): New function.
7020 (insert_phi_nodes_for, mark_use_interesting): Call
7021 mark_phi_for_rewrite.
7022 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7023 (update_ssa): Initialize and free phis_to_rewrite.
7025 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7027 PR rtl-optimization/27291
7028 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7029 folded to a constant.
7031 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7033 PR tree-optimization/27283
7034 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7035 not whole # of iteration descriptions.
7036 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7037 uses abnormal ssa name.
7038 (niter_for_single_dom_exit): Ditto.
7039 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7040 return just the number of iterations.
7042 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7044 PR tree-optimization/27144
7045 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7046 (record_estimate): Only record constant upper bound.
7047 (infer_loop_bounds_from_undefined): Call
7048 compute_estimated_nb_iterations just once.
7049 (proved_non_wrapping_p): Renamed to ...
7050 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7051 (convert_step_widening, scev_probably_wraps_p): Call
7052 n_of_executions_at_most instead of proved_non_wrapping_p.
7053 (substitute_in_loop_info): Do not replace values in bounds.
7054 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7057 2006-05-01 Richard Henderson <rth@redhat.com>
7060 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7061 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7064 2006-05-01 Roger Sayle <roger@eyesopen.com>
7066 * c-typeck.c (parser_build_binary_op): Don't call the function
7067 unsigned_conversion_warning to spot operand/result type overflow.
7068 (build_binary_op): Instead, call convert_and_check instead of
7069 convert to report the problem when the operands are promoted.
7070 * c-common.c (unsigned_conversion_warning): Make static.
7071 * c-common.h (unsigned_conversion_warning): Delete prototype.
7073 2006-05-01 Richard Guenther <rguenther@suse.de>
7075 PR tree-optimization/26726
7076 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7078 (find_interesting_uses_address): ... we work around here
7079 by folding INDIRECT_REFs in the substituted base.
7081 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7083 * omp-low.c (dump_omp_region): Add newlines.
7085 2006-04-30 Roger Sayle <roger@eyesopen.com>
7087 * common.opt (Woverflow): New command line option.
7088 * c-common.c (constant_expression_warning): Check warn_overflow.
7089 (overflow_waring): Pass OPT_Woverflow to warning.
7090 (unsigned_conversion_warning): Likewise.
7091 (convert_and_check): Likewise.
7092 * doc/invoke.texi: Document new command line option.
7094 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7096 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7097 TARGET_NO_FP_IN_TOC for section anchors.
7098 (optimization_options): Enable section anchors for all
7099 non-"Objective" languages.
7101 2006-04-28 Eric Christopher <echristo@apple.com>
7103 * config/darwin-c.c (darwin_ms_struct): Move this
7104 (darwin_set_default_type_attributes): and this...
7105 * config/darwin.c: ... here.
7106 * config/darwin.h (darwin_ms_struct): Declare.
7108 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7110 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7112 2006-04-28 Roger Sayle <roger@eyesopen.com>
7115 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7116 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7117 an unsigned HOST_WIDE_INT.
7118 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7120 (really_start_incremental_init): No need to call convert because
7121 bitsize_zero_node is already of type bitsizetype.
7122 (push_init_level): Extract the value of constructor_index as an
7123 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7124 (process_init_element): Likewise.
7126 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7128 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7129 value before passing to make_relative_prefix.
7131 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7134 * builtins.c (expand_builtin_memset): Expand val in original mode.
7136 2006-04-27 Eric Christopher <echristo@apple.com>
7138 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7139 with #ifndef/#endif.
7140 * config/darwin-c.c (darwin_ms_struct): New.
7141 (darwin_pragma_ms_struct): Ditto.
7142 (darwin_set_default_type_attributes): Ditto.
7143 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7144 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7145 Register ms_struct pragma.
7146 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7147 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7148 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7149 darwin_set_default_type_attributes if TARGET_MACHO.
7151 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7153 PR tree-optimization/26854
7154 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7155 * doc/tree-ssa.texi: Update immuse iterator documentation.
7156 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7157 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7158 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7159 first_safe_imm_use, next_safe_imm_use): Remove.
7160 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7161 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7162 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7163 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7164 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7165 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7166 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7167 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7168 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7169 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7170 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7171 (perfect_nestify): Use new iterator.
7172 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7174 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7175 (next_imm_name): New field in struct immediate_use_iterator_d.
7176 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7177 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7178 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7179 * tree-cfg.c (replace_uses_by): Use new iterator.
7180 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7181 * tree-ssa-operands.c (correct_use_link): Remove.
7182 (finalize_ssa_use_ops): No longer call correct_use_link.
7184 2006-04-27 Stuart Hastings <stuart@apple.com>
7186 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7187 * config/t-darwin (crt3.o): Use it.
7188 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7189 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7190 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7191 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7192 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7195 2006-04-27 Roger Sayle <roger@eyesopen.com>
7197 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7198 size, force the intermediate into a new pseudo rather instead of
7199 performing both a bitwise AND and a bitwise IOR in memory.
7201 2006-04-27 Richard Guenther <rguenther@suse.de>
7203 PR rtl-optimization/26685
7204 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7205 this one "max-flow-memory-locations".
7207 2006-04-27 Richard Guenther <rguenther@suse.de>
7209 PR tree-optimization/25148
7210 * tree-vrp.c (compare_values): Remove code dealing with
7211 comparisons against type min/max value. Honour overflow
7212 and negative constants in code dealing with comparisons
7213 of plus and minus expressions.
7214 (value_inside_range): Use fold_binary with LE_EXPR and
7215 GE_EXPR rather than compare_values.
7217 2006-04-27 Dirk Mueller <dmueller@suse.de>
7219 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7222 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7224 * basic-block.h (safe_insert_insn_on_edge): Removed.
7225 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7227 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7228 Paolo Bonzini <bonzini@gnu.org>
7231 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7232 (simplify_and_const_int): Same.
7234 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7236 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7238 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7241 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7242 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7243 cgraph_global_info_ready.
7246 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7249 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7250 either decl or init is error_mark_node.
7253 * tree-flow.h (struct omp_region): Add sched_kind.
7254 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7255 instead of extracting omp for data.
7256 (expand_omp_for): Save extracted sched_kind.
7258 2006-04-25 Roger Sayle <roger@eyesopen.com>
7260 * expmed.c (store_bit_field): Also check whether the bitsize is
7261 valid for the machine's "insv" instruction before moving the
7262 target into a pseudo for use with the insv.
7263 * config/i386/predicates.md (const8_operand): New predicate.
7264 * config/i386/i386.md (extv, extzv, insv): Use the new
7265 const8_operand predicate where appropriate.
7267 2006-04-25 DJ Delorie <dj@redhat.com>
7269 * doc/install.texi (Specific): Clarify that this is not a list of
7270 supported hosts or targets.
7272 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7274 PR rtl-optimization/26725
7275 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7276 block's BB_DIRTY flag.
7278 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7280 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7283 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7284 to print an integer.
7286 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7288 * varasm.c (align_variable): New function.
7289 (get_block_for_decl): Apply align_variable to DECL before
7290 calculating section information.
7291 (assemble_variable): Split out alignment computation.
7293 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7295 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7298 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7300 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7301 MODE_PARTIAL_INT mode.
7302 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7303 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7305 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7306 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7308 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7310 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7312 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7313 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7314 MACFLAG_IH): Likewise.
7315 (movstricthi_1): Renamed from "*movstricthi".
7316 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7317 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7318 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7319 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7320 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7321 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7322 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7323 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7324 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7325 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7326 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7327 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7328 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7329 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7330 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7332 * doc/rtl.texi (ss_ashift): Improve wording.
7334 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7336 * dwarf2out.c (verify_marks_clear): New.
7337 (prune_unused_types): Call verify_marks_clear initially, not
7340 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7342 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7343 * doc/rtl.texi: Document them.
7344 * simplify-rtx.c (simplify_unary_operation,
7345 simplify_binary_operation_1): Don't abort when we see them.
7347 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7350 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7351 * configure.ac: Completely disregard languages that are not
7353 * configure: Regenerated.
7355 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7356 Richard Guenther <rguenther@suse.de>
7358 PR tree-optimization/27236
7359 * tree-inline.c (copy_body_r): Make sure to copy
7360 TREE_THIS_VOLATILE flag.
7362 2006-04-24 Richard Guenther <rguenther@suse.de>
7365 * tree-complex.c (update_parameter_components): Don't handle
7366 unused parameters which have no default def.
7368 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7369 Richard Guenther <rguenther@suse.de>
7371 PR tree-optimization/27218
7372 * tree-inline.c (expand_call_inline): Strip useless type
7373 conversions for the return slot address.
7375 2006-04-24 Richard Guenther <rguenther@suse.de>
7377 * cfgloop.h (struct loops): Remove unused field array. Reorder
7379 (LOOP_PREFETCH): Remove.
7381 2006-04-24 Richard Guenther <rguenther@suse.de>
7383 PR tree-optimization/22525
7384 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7385 variable, adjust types of generated expressions.
7387 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7389 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7390 (tree-vect-patterns.o): Likewise.
7392 (cselib.o): Likewise.
7393 (loop-doloop.o): Likewise.
7394 (regclass.o): Likewise.
7395 (reload1.o): Likewise.
7396 (explow.o): Replace target.h with $(TARGET_H).
7397 (ipa-prop.o): Likewise.
7398 (ipa-cp.o): Likewise.
7399 (ipa-inline.o): Likewise.
7400 (reorg.o): Likewise.
7401 (reg-stack.o): Likewise.
7403 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7405 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7407 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7409 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7411 * configure.ac: Completely disregard languages that are not
7413 * configure: Regenerated.
7416 * c-common.h (c_build_bitfield_integer_type): Declare.
7417 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7418 * c-common.c (c_build_bitfield_integer_type): ... here.
7420 2006-04-23 Roger Sayle <roger@eyesopen.com>
7423 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7424 a SImode SUBREG of a floating point register after no_new_pseudos.
7426 2006-04-23 Roger Sayle <roger@eyesopen.com>
7428 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7429 identify potentially eliminable registers to additionally catch
7430 VIRTUAL_INCOMING_ARGS_REGNUM.
7431 (addsi3): Update the conditions on when to use addsi_small_int.
7433 2006-04-23 Roger Sayle <roger@eyesopen.com>
7436 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7437 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7438 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7440 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7442 * fold-const.c (range_predecessor): Use operand_equal_p
7443 as the predicate for equality.
7444 (range_successor): Likewise.
7446 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7449 * config/soft-fp/op-common.h: Fix a typo.
7451 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7454 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7455 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7457 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7459 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7461 * doc/tm.texi: Fix a typo.
7463 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7465 * dwarf2out.c (struct die_struct): Document that die_sib makes
7466 a circular linked list.
7467 (FOR_EACH_CHILD): New.
7468 (reverse_die_lists): Delete.
7469 (reverse_all_dies): Delete.
7470 (add_dwarf_attr): Correct documentation.
7471 (remove_child_with_prev): New.
7472 (remove_child_TAG): Update for change to die_struct, use
7473 remove_child_with_prev.
7474 (add_child_die): Update for change to die_struct.
7475 (splice_child_die): Use remove_child_with_prev and add_child_die.
7476 (print_die): Use FOR_EACH_CHILD.
7477 (die_checksum): Likewise.
7478 (assign_symbol_names): Likewise.
7479 (output_location_lists): Likewise.
7480 (build_abbrev_table): Likewise.
7481 (calc_die_sizes): Likewise.
7482 (mark_dies): Likewise.
7483 (unmark_dies): Likewise.
7484 (unmark_all_dies): Likewise.
7485 (output_die): Likewise.
7486 (prune_unused_types_mark): Likewise.
7487 (prune_unused_types_walk): Likewise.
7488 (same_die_p): Update for change to die_struct.
7489 (break_out_includes): Likewise.
7490 (prune_unused_types_prune): Likewise.
7491 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7492 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7494 (dwarf2out_finish): Don't call reverse_all_dies.
7496 2006-04-21 Eric Christopher <echristo@apple.com>
7498 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7499 in comments and function names.
7501 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7504 * c-typeck.c (digest_init): Robustify.
7506 * c-typeck.c (pop_init_level): Simplify.
7508 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7510 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7512 2006-04-21 Paul Brook <paul@codesourcery.com>
7514 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7515 hardware floating point.
7517 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7519 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7522 2006-04-21 Nick Clifton <nickc@redhat.com>
7524 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7527 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7530 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7531 C++ lang type in traceback table for Objective-C++.
7533 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7535 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7537 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7539 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7542 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7543 were errors. Remove check for erroneous objects.
7545 2006-04-20 Jeff Law <law@redhat.com>
7547 PR tree-optimization/26854
7548 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7549 checking for zero or one use.
7550 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7551 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7552 * tree-ssa-reassoc.c (negate_value): Similarly.
7553 (reassociate_bb): Similarly.
7555 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7557 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7558 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7559 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7561 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7563 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7564 fp regs if the last fp arg doesn't fit in regs.
7566 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7569 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7570 that the last insn has the REG_INC note.
7572 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7573 Nathan Sidwell <nathan@codesourcery.com>
7576 * stor-layout.c (update_alignment_for_field): Do not align
7578 (place_union_field): Place union field at the start of the union.
7579 (place_field): Move ERROR_MARK check later, and use the current
7580 allocation position to maintain monotonicity.
7582 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7584 * dominance.c: Include timevar.h.
7585 (calculate_dominance_info): Use TV_DOMINANCE.
7586 * timevar.def (TV_DOMINANCE): New timevar.
7587 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7589 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7591 PR rtl-optimization/14261
7592 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7593 move would be an INSV insn.
7594 (noce_process_if_block): Don't optimize if the destination is a
7595 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7597 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7599 * config/s390/s390.md: Add comments with the instructions emitted
7600 by an insn pattern if macros are used.
7602 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7604 PR rtl-optimization/26026
7605 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7606 is a known power of two shifted left a variable amount.
7608 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7610 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7611 to hash table twice when the debug_str section has SECTION_MERGE.
7613 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7615 * config/soft-fp: New directory. From glibc.
7616 * config/soft-fp/t-softfp: New.
7617 * config/soft-fp/README: New.
7618 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7619 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7620 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7621 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7622 * config.gcc: Use rs6000/t-fprules-fpbit or
7623 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7625 * config/rs6000/sfp-machine.h: New. Based on glibc.
7626 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7628 * config/rs6000/t-fprules: Remove fp-bit rules.
7629 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7630 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7631 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7632 (softfp_wrap_start, softfp_wrap_end): New.
7634 2006-04-18 DJ Delorie <dj@redhat.com>
7636 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7638 2006-04-18 Devang Patel <dpatel@apple.com>
7640 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7642 2006-04-18 Nick Clifton <nickc@redhat.com>
7644 * config/sh/t-symbian: Add rule to build sh-c.o
7645 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7646 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7647 (sh_symbian_encode_section_info): Likewise.
7649 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7651 * builtins.c (expand_builtin_strcmp): Cover label definition of
7652 do_libcall with HAVE_cmpstrnsi.
7654 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7656 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7658 * function.h (temp_slot_p): New.
7659 (function): Change the type of x_used_temp_slots to
7660 VEC(temp_slot_p,gc) *.
7662 2006-04-18 Nick Clifton <nickc@redhat.com>
7664 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7665 flag_strength_reduce.
7667 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7669 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7673 Partial revert of revision 112637
7674 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7675 Dale Johannesen <dalej@apple.com>
7678 * regclass.c (struct reg_pref): Update documentation.
7679 (regclass): Set prefclass to NO_REGS if memory is the best option.
7680 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7682 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7684 PR tree-optimization/26821
7685 * tree-ssa-math-opts.c (get_constant_one): New.
7686 (insert_reciprocals): Use it.
7688 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7690 * dwarf2out.c (free_AT): Delete.
7691 (remove_AT): Update string ref counts.
7692 (remove_child_TAG): Don't call free_die.
7694 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7695 or DW_TAG_GNU_EINCL.
7696 (prune_unused_types_walk_attribs): Reset string refcounts.
7697 (prune_unused_types_update_strings): New.
7698 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7699 call free_die. Do call prune_unused_types_update_strings.
7700 (prune_unused_types): Empty debug_str_hash.
7702 2006-04-17 Roger Sayle <roger@eyesopen.com>
7704 * expr.c (expand_assignment): Optimize away no-op moves where the
7705 source and destination are equal and have no side-effects.
7707 2006-04-17 Richard Guenther <rguenther@suse.de>
7710 * reload.c (push_reload): Guard calls to get_secondary_mem
7713 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7715 * alias.c (reg_base_value, old_reg_base_value): Change the
7716 type to VEC(rtx,gc) *.
7717 (REG_BASE_VALUE, find_base_value, record_set,
7718 init_alias_analysis): Use VEC instead of VARRAY.
7720 * alias.c (alias_sets): Change the type to
7721 VEC(alias_set_entry,gc) *.
7722 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7723 VEC instead of VARRAY.
7724 (last_alias_set): Remove.
7726 * cgraph.h (cgraph_edge_p): New.
7727 Update the prototype of cgraph_function_versioning.
7728 * cgraphunit.c (cgraph_copy_node_for_versioning,
7729 cgraph_function_versioning): Use VEC instead of VARRAY.
7730 * ipa-cp.c (ipcp_insert_stage): Likewise.
7732 2006-04-16 Roger Sayle <roger@eyesopen.com>
7735 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7736 "A op B" or "A op C", we may need to convert A to the type of B and C.
7738 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7740 * target.h (struct gcc_target): Add mode_rep_extended.
7741 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7742 (init_num_sign_bit_copies_in_rep): Initialize it using
7744 (truncate_to_mode): Use it.
7745 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7746 * targhooks.h (default_mode_rep_extended): Declare it.
7747 * targhooks.c (default_mode_rep_extended): Define it.
7748 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7749 default_mode_rep_extended.
7750 (TARGET_INITIALIZER): Include it.
7751 * doc/tm.texi (Misc): Document it.
7752 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7753 (mips_truncated_to_mode): New function.
7755 2006-04-16 Roger Sayle <roger@eyesopen.com>
7758 * expr.c (compress_float_constant): Copy the narrow constant into
7759 a new pseudo before extending it to its final width.
7761 2006-04-16 Roger Sayle <roger@eyesopen.com>
7762 Andrew Pinski <pinskia@gcc.gnu.org>
7763 Dale Johannesen <dalej@apple.com>
7766 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7767 special case code to implement V8HImode and V16QImode with SSE2.
7769 2006-04-15 Roger Sayle <roger@eyesopen.com>
7771 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7772 trees are constructed with a suitable tree type.
7774 2006-04-15 Roger Sayle <roger@eyesopen.com>
7776 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7777 (integer_onep): Likewise.
7778 (integer_all_onesp): Likewise.
7779 (integer_pow2p): Likewise.
7780 (integer_nonzerop): Likewise.
7781 (real_zerop): Likewise.
7782 (real_onep): Likewise.
7783 (real_twop): Likewise.
7784 (real_minus_onep): Likewise.
7785 (int_size_in_bytes): Likewise.
7786 (host_integerp): Likewise.
7788 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7790 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7791 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7792 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7794 * tree-ssa-structalias.h (alias_info): Remove num_references.
7796 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7798 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7799 (output_bvb patterns): Likewise.
7800 * pa.c (output_bb): Use 'bb' insn for long branch case.
7801 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7802 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7803 1. Correct length operand for alternatives 1 and 2.
7804 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7805 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7807 2006-04-14 Roger Sayle <roger@eyesopen.com>
7809 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7810 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7811 were accidentally reverted by r112959.
7813 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7816 * except.h (eh_region_outermost): New prototype.
7817 * except.c (eh_region_outermost): New function.
7818 * tree-cfg.c (find_outermost_region_in_block): Use it.
7820 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7822 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7824 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7825 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7826 (init_reload, reload): Use VEC instead of VARRAY.
7827 * reload.h: Update the prototype for
7828 reg_equiv_memory_loc_varray.
7830 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7831 Eric Botcazou <ebotcazou@libertysurf.fr>
7833 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7836 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7839 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7840 to expand fallback builtin function call.
7842 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7845 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7846 and emit libcall here in case the builtin fails.
7847 (expand_builtin_strcmp): Always emit the libcall here on failure.
7849 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7851 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7852 * flow.c (reg_n_info): Change the type to
7853 VEC(reg_info_p,heap) *.
7854 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7856 * regs.h (reg_info_p): New.
7857 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7858 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7859 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7862 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7864 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7866 * params.h (MAX_SCHED_READY_INSNS): New macro.
7867 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7868 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7869 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7870 the ready list for 1 cycle during the first scheduling pass.
7871 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7873 2006-04-13 Richard Henderson <rth@redhat.com>
7876 * gimple-low.c (lower_omp_directive): Remove dead code.
7877 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7878 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7879 * omp-low.c (struct omp_region): Move to tree-flow.h.
7880 (root_omp_region): Export.
7881 (omp_regions, lookup_omp_region): Remove.
7882 (determine_parallel_type): Update for struct omp_region changes.
7883 (dump_omp_region): Dump regions with block numbers.
7884 (new_omp_region): Take type and block instead of stmt; malloc
7886 (free_omp_region_1, free_omp_regions): New.
7887 (expand_parallel_call): Take entry_stmt as argument; update for
7888 changes to omp_region.
7889 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7890 (remove_exit_barriers): New.
7891 (expand_omp_parallel): Update for struct omp_region changes.
7892 (expand_omp_synch): Likewise.
7893 (expand_omp): Likewise.
7894 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7895 (expand_omp_for_static_chunk): Likewise.
7896 (expand_omp_for): Likewise.
7897 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7898 (expand_omp_sections): Similarly, with GOMP_sections_end.
7899 (expand_omp_single): New.
7900 (build_omp_regions_1): Update for OMP_CONTINUE.
7901 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7902 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7903 OMP_SECTIONS_SECTIONS.
7904 (lower_omp_single_simple): Don't emit barrier here.
7905 (lower_omp_single_copy): Likewise.
7906 (lower_omp_single): Fix bindings, and lower to straightline now.
7907 (lower_omp_master, lower_omp_ordered): Likewise.
7908 (lower_omp_critical): Likewise.
7909 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7910 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7911 omp edges, free it afterward.
7912 (make_omp_sections_edges): Remove.
7913 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7914 (move_stmt_r): Handle OMP_CONTINUE.
7915 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7916 statement pointers to basic blocks. Add type member.
7917 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7918 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7919 * tree-inline.c (estimate_num_insns_1): Likewise.
7920 * tree-pretty-print.c (dump_generic_node): Likewise.
7921 * tree-ssa-operands.c (get_expr_operands): Likewise.
7922 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7923 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7924 (OMP_CONTINUE): New.
7925 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7926 (OMP_SECTIONS_SECTIONS): Remove.
7927 (OMP_SECTION_LAST): New.
7928 (OMP_RETURN_NOWAIT): New.
7930 2006-04-13 Roger Sayle <roger@eyesopen.com>
7932 * fold-const.c (native_encode_vector, native_interpret_real):
7933 Correct obvious mistakes in the previous check-in.
7935 2006-04-13 Roger Sayle <roger@eyesopen.com>
7937 * fold-const.c (native_encode_expr): New function to encode
7938 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7939 or VECTOR_CST into a specified buffer.
7940 (native_encode_int): New function.
7941 (native_encode_real): New function.
7942 (native_encode_complex): New function.
7943 (native_encode_vector): New function.
7944 (native_interpret_expr): Inverse of native_encode_expr to convert
7945 a target representation into an INTEGER_CST, REAL_CST etc...
7946 (native_interpret_int): New function.
7947 (native_interpret_real): New function.
7948 (native_interpret_complex): New function.
7949 (native_interpret_vector): New function.
7950 (fold_view_convert_expr): New function to constant fold/evaluate
7951 a VIEW_CONVERT_EXPR of a suitable constant expression.
7952 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7953 Change call of build1 to fold_build1 when constructing a
7956 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7957 Ulrich Weigand <uweigand@de.ibm.com>
7960 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7963 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7966 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7967 optimize to lo_sum for DFmode if !TARGET_FPRS.
7969 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7971 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7972 delete_alias_info, compute_flow_sensitive_aliasing,
7973 group_aliases): Use VEC instead of VARRAY.
7974 * tree-ssa-structalias.c (update_alias_info): Likewise.
7975 * tree-ssa-structalias.h (alias_info): Change the type of
7976 processed_ptrs to VEC(tree,heap) *.
7978 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7981 * config/sh/lib1funcs.h: New file, broken out of:
7982 * config/sh/lib1funcs.asm.
7983 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7985 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7986 * config/sh/lib1funcs-Os-4-200.asm: New file.
7987 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7988 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7989 (EXTRA_MULTILIB_PARTS): Include it.
7990 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7991 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7992 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7993 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7996 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7998 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7999 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8000 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8002 * tree-ssa-live.h: Include vecprim.h.
8003 (tree_partition_associator_d): Change the type of
8004 first_partition to VEC(int,heap) *.
8005 (tpa_first_partition): Use VEC instead of VARRAY.
8007 * Makefile.in (GTFILES): Move functions.h after tree.h.
8008 * function.c (reset_block_changes, record_block_change,
8009 check_block_change, free_block_changes): Use VEC instead of
8011 * function.h (function): Change the type of
8012 ib_boundaries_block to VEC(tree,gc) *.
8013 * tree-inline.c (copy_cfg_body): Initialize
8014 ib_boundaries_block to NULL instead of (varray_type) 0.
8016 2006-04-12 Roger Sayle <roger@eyesopen.com>
8018 * expr.c (emit_group_store): Correct operand order in call to
8019 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8020 a SUBREG_BYTE of zero.
8022 2006-04-12 Richard Guenther <rguenther@suse.de>
8024 * profile.c (compute_branch_probabilities): Remove code
8025 encapsulated in !ir_type (), which are remanents of the
8026 removed RTL profiling code.
8027 * rtl-profile.c: Remove.
8029 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8031 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8032 magic NULL_RTX comment.
8033 (function_arg): Store entire fp arg to mem if any part should go
8035 (rs6000_arg_partial_bytes): Adjust for above change.
8037 2006-04-11 Roger Sayle <roger@eyesopen.com>
8039 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8040 if it hasn't been initialized by dwarf2out_init.
8042 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8044 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8045 symbolic constants in branch patterns.
8047 2006-04-11 Roger Sayle <roger@eyesopen.com>
8049 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8051 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8053 PR rtl-optimization/27073
8054 * gcse.c (try_replace_reg): Revert last change. Continue to search
8055 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8058 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8060 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8061 aggregate types other than record and union types.
8062 (function_arg): Likewise.
8063 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8065 (function_value): In 64-bit mode, return objects that require it
8068 2006-04-11 Roger Sayle <roger@eyesopen.com>
8070 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8072 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8074 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8076 2006-04-03 Jeff Law <law@redhat.com>
8079 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8080 alias information too.
8082 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8084 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8086 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8089 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8090 (premark_used_types_helper): New.
8091 (premark_used_types): New.
8092 (gen_subprogram_die): Call premark_used_types.
8093 (prune_unused_types_walk): Do not prune perennial dies.
8094 * function.c (used_types_insert): New.
8095 * function.h (struct function): Add used_types_hash field.
8096 (used_types_insert): Add prototype.
8097 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8098 * c-parser.c (c_parser_cast_expression): Save casted types in used
8101 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8104 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8105 rs6000_explicit_options.float_gprs.
8107 2006-04-10 Roger Sayle <roger@eyesopen.com>
8109 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8110 from ix86_expand_vector_init_low_nonzero. Take an additional
8111 one_var argument indicating which element is non-zero. Support
8112 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8113 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8114 with one_var instead of ix86_expand_vector_init_low_nonzero.
8116 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8118 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8119 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8120 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8121 build/genextract.o): Depend on vecprim.h.
8122 * cfglayout.c, df-problems.c, function.c, genextract.c,
8123 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8124 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8128 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8130 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8131 Declare VECs of this type.
8132 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8133 (remove_children): Delete.
8134 (add_dwarf_attr): Use VEC routines.
8135 (add_AT_flag): Update for changes to add_dwarf_attr.
8136 (add_AT_int): Likewise.
8137 (add_AT_unsigned): Likewise.
8138 (add_AT_long_long): Likewise.
8139 (add_AT_vec): Likewise.
8140 (add_AT_string): Likewise.
8141 (add_AT_die_ref): Likewise.
8142 (add_AT_fde_ref): Likewise.
8143 (add_AT_loc): Likewise.
8144 (add_AT_loc_list): Likewise.
8145 (add_AT_addr): Likewise.
8146 (add_AT_lbl_id): Likewise.
8147 (add_AT_lineptr): Likewise.
8148 (add_AT_macptr): Likewise.
8149 (add_AT_offset): Likewise.
8150 (add_AT_range_list): Likewise.
8151 (get_AT): Use VEC_iterate.
8152 (remove_AT): Use VEC_ordered_remove.
8153 (free_die): Fold remove_children into here; have it use VEC_iterate.
8154 (print_die): Use VEC_iterate on attrs.
8155 (reverse_die_lists): Don't reverse attr lists.
8156 (die_checksum): Use VEC_iterate on attrs.
8157 (same_die_p): Likewise.
8158 (output_location_lists): Likewise.
8159 (build_abbrev_table): Likewise.
8160 (size_of_die): Likewise.
8161 (unmark_all_dies): Likewise.
8162 (output_abbrev_section): Likewise.
8163 (output_die): Likewise.
8164 (prune_unused_types_walk_attribs): Likewise.
8166 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8168 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8170 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8173 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8175 2006-04-09 Roger Sayle <roger@eyesopen.com>
8177 * expr.c (store_constructor): Don't bother clearing target if
8178 we're about to assign a vector to it using vec_init_optab.
8180 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8182 * tree-ssa-alias.c (lhs_may_store_to): New function.
8183 (recalculate_used_alone): Handle LHS of calls.
8185 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8189 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8190 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8191 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8192 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8193 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8194 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8195 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8196 stubs. Add ".align 8" directives before all ".dword" directives.
8197 (GTHREAD_USE_WEAK): Revise comment.
8198 (TARGET_ATTRIBUTE_WEAK): Define.
8199 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8200 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8201 * stublib.c: New file.
8206 * pa.md (cbranch patterns): Revise arguments used in calls to
8207 output_cbranch, output_bb and output_bvd. Add long branch length
8209 (fbranch patterns): Handle long branches.
8210 (jump): Revise length check. Revise arguments for output_lbranch call.
8211 Add long branch length attributes.
8212 (decrement_and_branch_until_zero): Add long branch length attributes.
8213 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8214 Likewise. Revise arguments for output_parallel_addb and
8215 output_parallel_movb calls.
8216 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8217 output_parallel_movb and output_parallel_addb): Update prototypes.
8218 * pa.c (output_cbranch): Revise arguments. Correct handling of
8219 nullification in long branches.
8220 (output_lbranch): Add new argument to control extraction of delay
8222 (output_bb): Handle long branches.
8223 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8224 output_parallel_addb): Likewise.
8226 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8228 PR rtl-optimization/27073
8229 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8232 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8234 * tree.h (tree_memory_tag): Add old_used_alone.
8235 (SMT_OLD_USED_ALONE): New macro.
8236 * tree-ssa-alias.c (recalculate_used_alone): Stop
8237 marking things for renaming unnecessarily.
8239 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8241 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8242 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8243 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8244 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8245 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8246 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8247 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8248 spelling convensions.
8249 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8250 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8251 typos. Follow spelling conventions.
8253 2006-04-07 DJ Delorie <dj@redhat.com>
8255 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8256 passed on the stack.
8257 (m32c_init_cumulative_args): When a function returns a structure,
8258 always pass the pointer to that return area on the stack.
8259 (m32c_function_arg_advance): Don't increment the parameter number
8260 if we're processing the returned structure pointer.
8261 (pushm_info): Reverse order of registers.
8263 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8265 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8266 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8267 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8268 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8270 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8271 chrec_fold_multiply): Same.
8272 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8273 force_expr_to_var_cost): Same.
8274 * tree-mudflap.c (mf_xform_derefs_1): Same.
8275 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8277 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8279 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8280 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8283 2006-04-07 Jan Hubicka <jh@suse.cz>
8285 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8287 2006-04-07 Richard Guenther <rguenther@suse.de>
8289 PR tree-optimization/26135
8290 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8291 loads for store copy-prop.
8292 (copy_prop_visit_stmt): Likewise.
8294 2006-04-05 Robert Millan <robertmh@gnu.org>
8296 * config/i386/linux.h: Add a comment to mark macros that are
8297 being overriden in config/k*bsd-gnu.h.
8298 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8300 * config/knetbsd-gnu.h: Ditto.
8302 2006-04-06 Jan Hubicka <jh@suse.cz>
8306 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8309 2006-04-06 Mike Stump <mrs@apple.com>
8311 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8312 for HAVE_nonlocal_goto to be consistent.
8313 (expand_builtin_nonlocal_goto): Likewise.
8314 (expand_builtin_strcmp): Use #ifdef instead of #if
8315 for HAVE_cmpstrnsi to be consistent.
8317 2006-04-05 DJ Delorie <dj@redhat.com>
8319 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8322 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8324 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8325 got-relative addressing for anything but SImode.
8327 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8328 even if the calling function doesn't modify them.
8330 2006-04-05 Richard Guenther <rguenther@suse.de>
8332 PR tree-optimization/26919
8333 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8334 to cgraph_estimate_size_after_inlining.
8336 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8338 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8340 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8342 PR tree-optimization/26996
8343 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8344 VECTOR_TYPE variables.
8346 2006-04-05 Richard Guenther <rguenther@suse.de>
8348 PR tree-optimization/26763
8349 * fold-const.c (fold_comparison): Move folding of
8350 PTR + CST CMP PTR + CST ...
8351 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8353 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8355 * doc/install.texi (Prerequisites): Refine some wording on
8356 bootstrapping and ksh.
8357 Move the version numbers of DejaGnu here from the testing section
8358 and fix casing of names.
8359 Fix markup and clarify wording for autogen requirements.
8360 Refer to GCJ instead of just java.
8361 Refer to SVN instead of CVS.
8362 Describe diffutils as useful instead of necessary.
8363 (Downloading the source): Refer to SVN instead of CVS.
8364 Adjust a link to our web site accordingly.
8365 (Configuration): Fix casing of Bison.
8366 (Building): Refer to SVN instead of CVS.
8367 Fix a sentence on the use of Bison and remove duplicate (and
8368 incorrect) version number of Bison requirement.
8369 Remove one redundant list of packages needed for building.
8370 (Specific): Avoid reference to CVS.
8372 2006-04-04 Eric Christopher <echristo@apple.com>
8374 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8375 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8376 (rs6000_handle_struct_attribute): New.
8377 (rs6000_ms_bitfield_layout_p): Ditto.
8379 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8381 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8382 NULL for dso parameter to atexit_common.
8384 2006-04-04 Eric Christopher <echristo@apple.com>
8386 * config/i386/i386.c (machopic_output_stub): Output \t
8387 between instructions and operands.
8389 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8391 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8392 satisfies_constraint_[IL] to explicit tests on value.
8394 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8396 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8397 set_nb_iterations_in_loop): Use build_int_cst instead of
8399 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8400 build_int_cst instead of convert.
8402 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8404 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8405 new value 2 for incoming.
8406 * function.c (expand_function_start): Call struct_value_rtx
8408 * config/sparc/sparc.md: Comment updated_return.
8409 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8410 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8411 struct return if sparc_std_struct_return and incoming is 2.
8412 (print_operand): Do not adjust return if
8413 sparc_std_struct_return.
8415 2006-04-04 Roger Sayle <roger@eyesopen.com>
8417 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8418 convert in the middle-end.
8419 * expr.c (store_expr, store_constructor, get_inner_reference,
8420 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8422 * tree.c (build_range_type): Likewise.
8424 2006-04-04 Tom Tromey <tromey@redhat.com>
8426 * doc/install.texi (Prerequisites): Mention jar.
8428 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8430 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8433 2006-04-04 Matthias Klose <doko@debian.org>
8435 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8439 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8442 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8444 * doc/extend.texi (Function Attributes): Rewrite visibility
8445 attribute documentation.
8446 * doc/invoke.texi (C++ Dialect Options): Rewrite
8447 -fvisibility-inlines-hidden documentation to describe something
8448 entirely different, although in practise compatible.
8449 (Code Gen Options): Warn about system headers in -fvisibility=
8452 * doc/extend.texi (Other Builtins): Document that
8453 __builtin_nan is a compile-time constant only when its argument
8456 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8458 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8459 trying to remove TRUNCATE check if all bits outside the new mode
8460 are identical to the sign bit.
8462 2006-04-03 Jeff Law <law@redhat.com>
8464 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8465 and operand scanning in some common cases.
8467 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8468 Dale Johannesen <dalej@apple.com>
8471 * regclass.c (struct reg_pref): Update documentation.
8472 (regclass): Set prefclass to NO_REGS if memory is the best option.
8473 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8474 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8475 into account. For non-registers, equate an empty preferred
8476 reload class to a `!' in the constraint; move the if clause to
8477 do so after those that reject the insn.
8478 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8480 (find_dummy_reload): Likewise.
8481 * doc/tm.texi (Register Classes): Document what it means
8482 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8483 * config/i386/i386.c (ix86_preferred_reload_class): Force
8484 using SSE registers (and return NO_REGS for floating-point
8485 constants) if math is done with SSE.
8486 (ix86_preferred_output_reload_class): New.
8487 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8488 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8489 * config/i386/i386.md: Remove # register preferences.
8491 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8494 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8495 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8496 the type of nb_iter.
8497 (instantiate_parameters_1): Convert the operands before calling
8498 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8499 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8501 2006-04-02 Roger Sayle <roger@eyesopen.com>
8503 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8504 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8506 * dojump.c (do_jump): Likewise.
8507 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8508 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8509 gimplify_boolean_expr): Likewise.
8510 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8511 * varasm.c (array_size_for_constructor): Likewise.
8512 * tree-object-size.c (compute_object_offset): Likewise.
8514 2006-04-02 Roger Sayle <roger@eyesopen.com>
8517 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8518 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8520 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8522 PR tree-optimization/26939
8523 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8525 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8527 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8528 at_stmt. Convert the type of operands before calling
8529 build_polynomial_chrec.
8530 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8532 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8533 (instantiate_parameters_1): Convert the type of operands before calling
8534 build_polynomial_chrec.
8535 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8536 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8537 reset_evolution_in_loop): Insert asserts to check the types of the
8539 (chrec_type): Moved...
8540 (eq_evolutions_p): Use operand_equal_p.
8541 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8542 the types of the operands.
8543 (chrec_type): ...here.
8544 * tree-data-ref.c (create_data_ref): Convert the operands before
8545 calling chrec_replace_initial_condition.
8546 (same_access_functions, analyze_subscript_affine_affine,
8547 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8548 (compute_subscript_distance, analyze_ziv_subscript,
8549 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8550 analyze_miv_subscript): Convert the operands before calling
8551 chrec_fold_minus or chrec_fold_plus.
8553 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8555 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8556 the dependence_relations vector.
8557 (compute_data_dependences_for_loop): Adjust call to
8558 compute_all_dependences.
8560 2006-04-01 Roger Sayle <roger@eyesopen.com>
8561 Richard Henderson <rth@redhat.com>
8563 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8564 gimple_boolify on the condition before calling gimplify_expr.
8566 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8568 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8569 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8570 the frame size. Update to use the new macros.
8571 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8572 * config/xtensa/ieee754-df.S: Likewise.
8574 2006-03-31 Richard Henderson <rth@redhat.com>
8576 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8577 (make_edges): ... here. Control fallthru creation with a local
8578 variable. Do not play with fake edges.
8579 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8580 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8583 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8585 * dwarf2.h (DW64_CIE_ID): Define.
8586 * dwarf2out.c (DWARF_CIE_ID): Define.
8587 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8588 length header. Use DWARF_CIE_ID.
8589 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8590 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8592 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8594 * config/sh/linux-atomic.asm: New file.
8595 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8597 2006-03-31 DJ Delorie <dj@redhat.com>
8599 * config/m32c/cond.md: Set condition flags properly throughout.
8600 * config/m32c/minmax.md: Likewise.
8601 * config/m32c/prologue.md: Likewise.
8602 * config/m32c/bitops.md: Likewise.
8603 * config/m32c/muldiv.md: Likewise.
8604 * config/m32c/mov.md: Likewise.
8605 * config/m32c/addsub.md: Likewise.
8606 * config/m32c/m32c.md: Likewise.
8607 * config/m32c/jump.md: Likewise.
8608 * config/m32c/shift.md: Likewise.
8610 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8611 conditionally output the pattern for this.
8612 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8613 (m32c_compare_redundant): New.
8614 (m32c_output_compare): New.
8615 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8617 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8618 dest, not src. Allow other 4-byte modes.
8620 2006-03-30 Denis Chertykov <denisc@overta.ru>
8622 * doc/md.texi: Refer to avr/constraints.md instead of
8625 2006-03-30 Roger Sayle <roger@eyesopen.com>
8627 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8628 signed vs. unsigned comparison failures on some hosts.
8630 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8633 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8634 change to FLOAT_REGS.
8636 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8637 (rs6000_override_options): Use it.
8638 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8639 only for -mabi=spe/no-spe and -mabi=altivec.
8641 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8643 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8646 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8648 * Makefile.in: Rename docdir to gcc_docdir.
8650 2006-03-30 Roger Sayle <roger@eyesopen.com>
8653 * expr.c (emit_group_store): Optimize group stores into a pseudo
8654 register by using a paradoxical subreg to initialize the destination
8655 if the first or last member of the group specifies a "low part".
8657 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8660 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8661 * target.h (struct gcc_target.speculate_insn): Change type of the
8662 second parameter to 'int'.
8663 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8664 the second operand of the DEPS_LIST.
8665 (copy_DEPS_LIST_list): Update reference to the second operand of the
8667 * rtl.h (alloc_DEPS_LIST): Update signature.
8668 * sched-int.h (ds_t): Change typedef to 'int'.
8669 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8671 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8673 * haifa-sched.c (try_ready): Change condition to restore
8674 non-speculative pattern of the instruction.
8675 (process_insn_depend_be_in_spec): Code to keep probability of the
8676 speculative dependence non-decreasing.
8678 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8680 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8681 (single_move_for_movmem): ... this. Also change all uses.
8682 (bfin_expand_strmov): Renamed to...
8683 (bfin_expand_movmem): ... this. Also change all uses.
8684 * config/bfin/bfin.md (movstrsi): Renamed to...
8685 (movstrsi): ...this.
8687 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8689 PR tree-optimization/26830
8691 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8692 (copy_prop_visit_stmt): Remove write-only variable ann.
8693 (init_copy_prop): Check variable loop depth here. Do not simulate
8694 memory-tag and virtual operand PHIs except for store copy prop.
8696 2006-03-30 Richard Guenther <rguenther@suse.de>
8698 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8699 variants with double arguments.
8701 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8703 * genpreds.c (write_tm_constrs_h): Delete variable p.
8704 * genconditions.c (write_header): Add tm-constrs.h to included
8706 * genpeep.c (main): Add toplev.h to included headers.
8707 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8708 (build/genpeep.o): Add toplev.h dependency.
8709 * config/rs6000/constraints.md: Add "W" constraint.
8711 2006-03-29 Roger Sayle <roger@eyesopen.com>
8713 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8714 sizes by correctly testing whether the size fits a host integer.
8715 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8716 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8717 SImode range for the default sizetype and bitsizetype.
8719 2006-03-29 Roger Sayle <roger@eyesopen.com>
8721 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8722 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8723 quickly if the argument is already of the correct type.
8724 Call fold_build1 instead of build1. Tidy up blank lines.
8726 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8728 * genemit.c (main): Add tm-constrs.h to included headers.
8729 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8730 * genpeep.c (main): Add tm-constrs.h to included headers.
8731 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8732 (write_tm_constrs_h): this and write complete file.
8733 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8734 (write_insn_preds_c): Add tm-constrs.h to included headers.
8735 (gen_constrs): New variable.
8736 (parse_option): Parse "-c".
8737 (main): Invoke write_tm_constrs_h.
8738 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8739 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8740 (object_out_file): Add tm-constrs.h dependency.
8741 (insn-emit.o): Same.
8742 (insn-output.o): Same.
8743 (insn-peep.o): Same.
8744 (insn-preds.o): Same.
8745 (insn-recog.o): Same.
8746 (tm-constsr.h): New target.
8747 (s-constrs-h): New target.
8749 * config/rs6000/constraints.md: New file.
8750 * config/rs6000/rs6000.c: Include tm-constrs.h.
8751 (num_insn_constant_wide): Convert to satisfies_constraint.
8752 (rs6000_rtx_costs): Convert to satisfies_constraint.
8753 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8754 (CONST_OK_FOR_LETTER_P): Delete.
8755 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8756 (EXTRA_CONSTRAINT): Delete.
8757 (EXTRA_MEMORY_CONSTRAINT): Delete.
8758 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8759 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8760 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8761 satisfies_constraint.
8763 * config/i386/i386.c: Include tm-constrs.h.
8765 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8767 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8768 * tree-data-ref.c (find_data_references_in_loop,
8769 compute_data_dependences_for_loop): Use pointers to VEC.
8770 (analyze_all_data_dependences): Adjust calls.
8771 * tree-data-ref.h (find_data_references_in_loop,
8772 compute_data_dependences_for_loop): Adjust declarations.
8773 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8774 compute_data_dependences_for_loop.
8776 2006-03-29 Paul Brook <paul@codesourcery.com>
8778 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8781 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8783 PR tree-optimization/26859
8784 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8786 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8787 for the step after fold_convert.
8789 2006-03-29 Paul Brook <paul@codesourcery.com>
8791 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8792 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8794 2006-03-29 Paul Brook <paul@codesourcery.com>
8797 * targhooks.c (default_narrow_bitfield): New fuction.
8798 * targhooks.h (default_narrow_bitfield): add prototype.
8799 * target.h (gcc_target): Add narrow_volatile_bitfield.
8800 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8801 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8802 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8803 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8805 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8807 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8809 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8810 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8811 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8812 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8813 (s390_function_arg_float): Allow SDmode and DDmode values to be
8814 passed in floating point registers.
8815 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8816 check with SCALAR_FLOAT_MODE_P.
8817 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8819 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8821 PR tree-optimization/25985
8822 * tree-ssa-loop-niter.c (number_of_iterations_le,
8823 number_of_iterations_ne): Make comments more precise.
8824 (number_of_iterations_cond): Add only_exit argument. Use the
8825 fact that signed variables do not overflow only when only_exit
8827 (loop_only_exit_p): New.
8828 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8829 number_of_iterations_cond.
8831 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8833 PR tree-optimization/26643
8834 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8837 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8839 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8840 (divsi3_i4_int): Likewise.
8842 2006-03-28 Roger Sayle <roger@eyesopen.com>
8844 * expr.c (emit_group_store): Only create a new pseudo reg if the
8845 quantity it needs to hold isn't already a suitable pseudo.
8847 2006-03-28 Jeff Law <law@redhat.com>
8849 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8850 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8852 2006-03-28 Roger Sayle <roger@eyesopen.com>
8854 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8855 the equivalent ~X & Y, and the symmetry related transformations.
8856 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8857 ~X & Y, and symmetry related transforms.
8859 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8861 Revert my 2006-03-27 patches.
8863 2006-03-28 Roger Sayle <roger@eyesopen.com>
8865 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8866 ~(T1)X, when T1 and T2 are integer types of the same precision
8867 and (T2)X isn't an extension.
8869 2006-03-28 Jeff Law <law@redhat.com>
8871 PR tree-optimization/26796
8872 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8873 need EH edge cleanups rather than purging them immediately.
8874 (eliminate_degenerate_phis): Handle queued EH cleanups.
8876 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8878 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8881 2006-03-27 Roger Sayle <roger@eyesopen.com>
8884 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8885 cast BIT_NOT_EXPR operand to the correct type.
8887 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8889 * tree-loop-linear.c: Don't include varray.h.
8890 (gather_interchange_stats, try_interchange_loops,
8891 linear_transform_loops): Use VEC instead of VARRAY.
8892 * lambda-mat.c: Don't include varray.h.
8893 * tree-chrec.c: Same.
8894 * lambda-trans.c: Same.
8895 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8896 VEC instead of VARRAY.
8897 * tree-vectorizer.h: Idem.
8898 * tree-data-ref.c (dump_data_references,
8899 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8900 initialize_data_dependence_relation, finalize_ddr_dependent,
8901 compute_all_dependences, find_data_references_in_loop,
8902 compute_data_dependences_for_loop, analyze_all_data_dependences,
8903 free_dependence_relation, free_dependence_relations,
8904 free_data_refs): Idem.
8905 * tree-data-ref.h (data_reference_p, subscript_p): New.
8906 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8907 VEC instead of VARRAY.
8908 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8909 (find_data_references_in_loop, compute_data_dependences_for_loop,
8910 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8911 dump_data_dependence_relations, free_dependence_relations,
8912 free_data_refs): Adjust declaration.
8913 (lambda_transform_legal_p): Move declaration here...
8914 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8915 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8916 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8917 vect_analyze_data_refs): Use VEC instead of VARRAY.
8918 * lambda.h (lambda_transform_legal_p): ...from here.
8919 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8920 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8921 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8922 tree-chrec.o): Don't depend on VARRAY_H.
8924 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8926 * rtl.def (Copyright): Update date.
8927 (DEPS_LIST): Change type of the second operand to 'int'.
8928 * target.h (Copyright): Update date.
8929 (struct gcc_target.speculate_insn): Change type of the second parameter
8931 * lists.c (Copyright): Update date.
8932 (alloc_DEPS_LIST): Change signature. Update reference to the second
8933 operand of the DEPS_LIST.
8934 (copy_DEPS_LIST_list): Update reference to the second operand of the
8936 * rtl.h (Copyright): Update date.
8937 (alloc_DEPS_LIST): Update signature.
8938 * sched-int.h (Copyright): Update date.
8939 (ds_t): Change typedef to 'int'.
8940 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8942 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8944 * haifa-sched.c (Copyright): Update date.
8945 (try_ready): Change condition to restore non-speculative pattern
8947 (process_insn_depend_be_in_spec): Code to keep probability of the
8948 speculative dependence non-decreasing.
8950 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8952 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8953 shut up the compiler.
8955 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8957 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8958 to use lib prefix for target.
8959 ($(T)libic_invalidate_array_4-200.a): Likewise.
8960 ($(T)libic_invalidate_array_4a.a): Likewise.
8962 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8963 J"orn Rennecke <joern.rennecke@st.com>
8965 * superh.opt: New file.
8966 * sh.c (boardtype, osruntime): Remove.
8967 * superh.h (SUBTARGET_OPTIONS): Remove.
8968 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8970 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8971 arguments with ^ and/or [].
8973 * config.gcc (sh-*-*): Add quoting to account for quirk of
8975 Replace == with = in enable_incomplete_targets test.
8977 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8978 with MASK_LITTLE_ENDIAN.
8980 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8981 * config/sh/sh.opt: Added to some comments.
8982 * config/sh/superh.h: Removed some chaff.
8984 * config/sh/sh.opt: Add m4-[1234]00* options.
8985 * config/sh/sh.c (sh_handle_option): Likewise.
8986 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8987 (ic_invalidate_array_4-100.o): New rule.
8988 ($(T)libic_invalidate_array_4-100.a): Likewise.
8989 (ic_invalidate_array_4-200.o): Likewise.
8990 ($(T)libic_invalidate_array_4-200.a): Likewise.
8991 (ic_invalidate_array_4a.o): Likewise.
8992 ($(T)libic_invalidate_array_4a.a): Likewise.
8993 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8994 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8996 * config/sh/crt1.asm: Merged in profiling code.
8997 * config/sh/superh.h (STARTFILE_SPEC): Override.
8998 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8999 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9000 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9002 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9003 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9004 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9006 * sh.opt (mpretend-cmove): New option.
9007 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9008 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9009 (movsicc): Add TARGET_PRETEND_CMOVE code.
9011 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9013 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9014 s390_class_max_nregs): New function prototypes.
9015 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9016 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9017 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9018 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9020 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9022 * dwarf2out.c (add_location_or_const_value_attribute): Call
9023 tree_add_const_value_attribute if nothing else works.
9024 (reference_to_unused): New.
9025 (rtl_for_decl_init): Use reference_to_unused to decide whether
9026 to output an initializer.
9028 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9031 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9032 peephole removing spe frob_di_df_2.
9034 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9036 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9037 (subscript_dependence_tester_1): Declared.
9038 (print_dir_vectors, print_dist_vectors): New.
9039 (debug_data_dependence_relation): New.
9040 (dump_data_dependence_relation): Print more details.
9041 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9042 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9043 (save_dist_v, save_dir_v, add_outer_distances,
9044 build_classic_dist_vector_1): New.
9045 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9046 Don't test for lambda_vector_lexico_pos.
9047 (same_access_functions, add_multivariate_self_dist,
9048 add_other_self_distances, dir_from_dist): New.
9049 (build_classic_dir_vector): Replace implementation almost identical to
9050 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9052 (subscript_dependence_tester_1): New.
9053 (subscript_dependence_tester): Handle the lexicographically negative
9054 distance vectors by recomputing the dependence relation.
9055 (compute_affine_dependence): Remove parameter loop_nest_depth.
9056 (compute_self_dependence): Don't call compute_subscript_distance.
9057 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9058 Add a parameter for the loop_nest.
9059 (find_loop_nest_1, find_loop_nest): New.
9060 (compute_data_dependences_for_loop): Compute the loop nest, and give
9061 up if the nest is not well formed.
9062 * tree-data-ref.h (loop_p): New.
9063 (struct data_dependence_relation): Replace size_vect field with
9064 loop_nest, a vec of loops.
9065 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9066 (DDR_LOOP_NEST): New.
9067 (print_dir_vectors, print_dist_vectors,
9068 debug_data_dependence_relation): Declared.
9069 (index_in_loop_nest): New.
9070 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9071 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9074 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9076 * simplify-rtx.c (simplify_relational_operation): Call
9077 simplify_relational_operation_1 even if mode is VOIDmode.
9079 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9081 PR tree-optimization/26804
9082 * tree.h (DECL_CALL_CLOBBERED): New macro.
9083 (tree_decl_common): Add call_clobbered_flag.
9084 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9085 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9086 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9087 (mark_non_addressable): Ditto.
9088 * tree-ssa.c (verify_call_clobbered): New function.
9089 (verify_alias_info): Use it.
9090 * tree-pass.h (pass_reset_cc_flags): New prototype.
9091 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9092 (reset_cc_flags): New function.
9093 * passes.c (init_optimization_passes): Call reset_cc_flags after
9094 initializing referenced_vars.
9096 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9097 Roger Sayle <roger@eyesopen.com>
9100 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9101 to 1.0 for non-real operands. Implement A / A optimization for
9104 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9106 * config/i386/i386.c (size_cost): Correct the comment for
9107 cost of storing fp registers.
9108 (i386_cost): Likewise.
9109 (i486_cost): Likewise.
9110 (pentium_cost): Likewise.
9111 (pentiumpro_cost): Likewise.
9112 (k6_cost): Likewise.
9113 (athlon_cost): Likewise.
9114 (k8_cost): Likewise.
9115 (pentium4_cost): Likewise.
9116 (nocona_cost): Likewise.
9117 (generic64_cost): Likewise.
9118 (generic32_cost): Likewise.
9120 2006-03-24 Denis Chertykov <denisc@overta.ru>
9122 * config/avr/avr-protos.h (extra_constraint): Delete.
9123 (extra_constraint_Q): New declaration.
9124 * config/avr/constraints.md: New file.
9125 * config/avr/avr.md: Include it.
9126 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9127 (TMP_REGNO, ZERO_REGNO): Likewise.
9128 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9129 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9130 (extra_constraint): Delete.
9131 (extra_constraint_Q): Test for memory constraint 'Q'.
9132 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9133 (REG_CLASS_FROM_LETTER): Delete.
9134 (CONST_OK_FOR_LETTER_P): Delete.
9135 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9136 (EXTRA_CONSTRAINT): Delete.
9137 (TMP_REGNO): Delete.
9138 (ZERO_REGNO): Delete.
9140 2006-03-24 Jeff Law <law@redhat.com>
9142 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9143 directly. Call mark_new_vars_to_rename slightly earlier.
9145 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9147 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9149 (gen_compile_unit_die): Use new language types for Objective-C and
9151 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9152 DW_LANG_C_plus_plus.
9155 * config/t-darwin (crt3.o): Work around bug 26840.
9156 * config/darwin-crt3.c: Rewrite.
9157 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9159 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9161 * doc/invoke.texi: Document -femit-class-debug-always
9162 * common.opt: Add -femit-class-debug-always.
9164 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9166 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9167 index and base register.
9168 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9169 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9170 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9171 REGNO_OK_FOR_INDEX_P.
9172 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9174 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9175 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9176 REG_OK_FOR_BASE_P): Definitions removed.
9178 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9181 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9182 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9183 set yet or weren't marked as local yet.
9185 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9187 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9190 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9192 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9193 (rs6000_legitimate_small_data_p): Delete.
9194 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9195 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9196 and make static. Add forward declaration. Update uses.
9197 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9198 of offsettable_memref_p.
9199 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9200 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9202 2006-03-24 Jeff Law <law@redhat.com>
9204 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9205 around bug in immediate-use iterator.
9207 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9210 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9211 or __LITTLE_ENDIAN__.
9213 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9215 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9216 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9217 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9218 * config/sh/sh.opt (mdiv=): Amend description.
9219 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9220 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9221 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9222 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9223 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9224 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9225 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9226 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9227 TARGET_DIVIDE_CALL_FP.
9229 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9231 * haifa-sched.c (choose_ready): Fix type of the local variable.
9232 Move local variables. Add comment.
9233 (check_reg_live): Change signature. Make callable from debugger.
9234 * sched-int.h (check_reg_live): Update signature.
9235 * sched-ebb.c (check_reg_live): Update parameters.
9236 * sched-rgn.c (check_reg_live): Ditto.
9237 (region_head_or_leaf_p): Check pointer before dereferencing.
9238 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9239 before reload on optimization levels below 1.
9241 2006-03-23 Richard Henderson <rth@redhat.com>
9243 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9247 * config/alpha/predicates.md (local_symbolic_operand): Reject
9250 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9253 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9254 expressions which have overflowed constants.
9256 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9258 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9260 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9262 * cfgloopmanip.c (create_loop_notes): Removed.
9263 * final.c (final_scan_insn): Do not handle loop notes.
9264 * jump.c (squeeze_notes): Ditto.
9265 * cfglayout.c (skip_insns_after_block,
9266 duplicate_insn_chain): Ditto.
9267 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9269 * cfgloop.h (create_loop_notes): Declaration removed.
9271 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9273 * varasm.c (output_constant_pool): Restore fnname and fndecl
9275 (assemble_start_function): Adjust call accordingly.
9276 (assemble_end_function): Likewise.
9278 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9281 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9284 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9286 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9289 * system.h (ICE_EXIT_CODE): New macro.
9290 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9291 (diagnostic_action_after_output): Likewise.
9292 * gcc.c (fatal_ice): New function.
9293 (execute): Use it instead of fatal.
9294 (fancy_abort): Likewise.
9295 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9297 2006-03-22 Jeff Law <law@redhat.com>
9299 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9300 iv_analyze_result returning false.
9302 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9304 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9306 2006-03-22 Richard Henderson <rth@redhat.com>
9309 * except.c (duplicate_eh_regions_0): New.
9310 (duplicate_eh_region_1): Duplicate the children of the node as
9311 well as the node itself. Link them up properly.
9312 (duplicate_eh_region_2): Merge into ...
9313 (duplicate_eh_regions): ... here. Take copy_region argument, and
9314 copy only a sub-tree if asked. Simplify copying and fixup.
9315 (eh_region_outer_p): New.
9316 * except.h (duplicate_eh_regions): Update decl.
9317 (eh_region_outer_p): Declare.
9318 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9319 (lower_omp_master): Likewise.
9320 (lower_omp_ordered): Likewise.
9321 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9322 (move_stmt_r): Use it to remap labels. Handle recursion vs
9323 remap_decls_p properly.
9324 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9325 (find_outermost_region_in_block): New.
9326 (new_label_mapper): New.
9327 (move_sese_region_to_fn): Copy eh information to the new function
9329 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9331 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9334 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9336 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9337 into shared libraries.
9339 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9341 * doc/md.texi: Refer to i386/constraints.md instead of
9343 * config/i386/constraints.md: New file, extracted from...
9344 * config/i386/predicates.md: ...here.
9345 * config/i386/i386.md: Include constraints.md.
9347 2006-03-21 Jason Merrill <jason@redhat.com>
9349 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9352 * expr.c (init_block_move_fn): Force default visibility.
9353 (init_block_clear_fn): Likewise.
9354 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9355 * targhooks.c (default_external_stack_protect_fail): Likewise.
9357 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9359 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9360 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9361 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9362 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9363 (loadgp): Use mips_current_loadgp_style.
9364 (loadgp_noshared): New pattern.
9365 (sibcall_internal): Use MIPS_CALL.
9366 (sibcall_value_internal): Likewise.
9367 (sibcall_value_multiple_internal): Likewise.
9368 (call_internal): Likewise.
9369 (call_value_internal): Likewise.
9370 (call_value_multiple_internal): Likewise.
9371 (call_split): Use MIPS_CALL and add an 'S' constraint.
9372 (call_value_split): Likewise.
9373 (call_value_multiple_split): Likewise.
9374 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9375 (-mshared): New option.
9376 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9377 (mips_current_loadgp_style): Declare.
9378 * config/mips/mips.c (mips_classify_symbol): Avoid using
9379 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9380 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9381 TARGET_ABSOLUTE_ABICALLS.
9382 (override_options): Adjust comments. Improve the warning that is
9383 issued when -mabicalls and -G are used together.
9384 (mips_file_start): Remove comment.
9385 (mips_current_loadgp_style): New function.
9386 (mips_gnu_local_gp): New variable.
9387 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9389 (mips_output_function_prologue): Use mips_current_laodgp_style.
9390 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9391 the cprestore instruction.
9392 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9393 live for TARGET_ABSOLUTE_ABICALLS.
9394 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9395 (ASM_SPEC): Pass down -mshared and -mno-shared.
9396 (MIPS_CALL): New macro.
9397 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9399 * doc/invoke.texi (-mabicalls): Update documentation.
9400 (-mshared): Document.
9402 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9404 * config/ia64/unwind-hpux.c: New file.
9405 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9407 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9410 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9412 2006-03-21 Jeff Law <law@redhat.com>
9414 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9415 type conversions of a VR_VARYING source to a wider type.
9417 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9419 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9420 tm_file on Solaris 10 and later.
9421 (sparc64-*-solaris2*): Likewise.
9422 (sparc-*-solaris2*): Likewise.
9423 * config/sol26.h: Rename to config/sol2-6.h.
9424 * config/sol2-10.h: New file.
9426 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9429 * tree-ssa-pre.c (create_component_ref_by_pieces):
9432 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9435 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9436 return it immediately.
9438 2006-03-21 Michael Matz <matz@suse.de>
9440 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9442 (remove_arc, add_arc): Update num_out_arcs member.
9443 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9445 (cache_presence): New function.
9446 (compare_states_for_equiv): New function.
9447 (state_is_differed): Don't take number of outargs, adjust callers.
9448 Use new invariant for speeding up.
9449 (init_equiv_class): Create initial classes based on sorted
9451 (partition_equiv_class): Don't track out_arcs_num.
9452 (evaluate_equiv_classes): Call cache_presence on all states and
9455 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9457 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9458 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9459 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9460 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9462 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9463 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9464 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9465 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9466 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9468 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9469 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9470 (REGNO_REG_CLASS): ARGP is in PREGS.
9471 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9473 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9474 to deal with those addresses.
9475 * addresses.h: New file.
9476 * caller-save.c: Include "addresses.h".
9477 (init_caller_save): Use new base_reg_class function.
9478 * rtl-factoring.c: Include "addresses.h".
9479 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9480 * recog.c: Include "addresses.h".
9481 (preprocess_constraints): Use new base_reg_class function.
9482 * regrename.c: Include "addresses.h".
9483 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9484 functions. Keep track of a new var INDEX_CODE to compute valid
9486 (replace_oldest_value_addr): Likewise.
9487 (replace_oldest_value_mem): Use base_reg_class.
9488 * reload.c: Include "addresses.h".
9489 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9490 (find_reloads): Use new base_reg_class function.
9491 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9492 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9493 all callers and prototype changed.
9494 * reload1.c: Include "addresses.h".
9495 (maybe_fix_stack_asms): Use base_reg_class.
9496 * regclass.c: Include "addresses.h".
9497 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9498 (init_reg_autoinc): Use new base_reg_class function.
9499 (record_reg_classes): Likewise.
9500 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9501 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9502 Use new args to compute necessary class.
9504 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9505 regrename.o, rtl-factoring.o): Update dependencies.
9506 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9507 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9508 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9509 REG_OK_FOR_INDEX_P): Delete documentation.
9511 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9513 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9514 from V7 to V9 for Solaris 7 and above.
9516 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9518 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9519 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9520 argument pointers may not alias any other storage.
9521 * common.opt: Define option -fargument-noalias-anything.
9522 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9523 alias semantics is specified by flag_argument_noalias > 2.
9525 2006-03-20 Jeff Law <law@redhat.com>
9527 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9528 (pass_phi_only_cprop): Declare.
9529 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9531 * tree-ssa-dom.c (degenerate_phi_result): New function.
9532 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9533 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9534 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9535 (eliminate_degenerate_phis): Likewise.
9536 (pass_phi_only_cprop): New pass descriptor.
9537 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9538 support code. Callers updated.
9539 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9540 (store_copy_prop): Likewise.
9541 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9543 2006-03-20 Jason Merrill <jason@redhat.com>
9546 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9547 (push_visibility, pop_visibility): Likewise.
9548 * c-pragma.h: Declare them.
9550 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9552 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9554 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9555 parameter and use get_ebb_head_tail.
9556 (sh_md_init_global): Adjust uses of find_regmode_weight.
9558 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9560 * function.h (struct function) <x_tail_recursion_reentry>:
9561 Rename to x_stack_check_probe_note.
9562 (tail_recursion_reentry): Rename to stack_check_probe_note.
9563 * function.c: Replace tail_recursion_reentry with
9564 stack_check_probe_note everywhere.
9565 (expand_function_start): Only emit a note for
9566 stack_check_probe_note with -fstack-protect.
9567 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9569 * emit-rtl.c (remove_unnecessary_notes): Remove.
9570 (pass_remove_unnecessary_notes): Remove.
9571 * rtl.h (remove_unnecessary_notes): Remove prototype.
9572 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9573 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9574 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9576 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9579 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9580 (valid_in_set): Handle ARRAY_REF.
9581 Change "if min_variant or VH" to asserts.
9582 (create_component_ref_by_pieces): Handle ARRAY_REF.
9583 (create_expression_by_pieces): Likewise.
9584 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9586 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9588 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9589 is operand of switch, not str[0].
9591 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9593 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9594 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9596 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9598 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9599 end of insn_extra_address_constraint declaration.
9601 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9603 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9604 (no-sum-in-toc): Same.
9605 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9607 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9608 NO_FP_IN_TOC for -fPIC instead of mask.
9610 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9611 (BOOT_LDFLAGS): Delete.
9613 * config/rs6000/t-aix52: Same.
9615 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9616 (stmsi[345678]_power): New.
9618 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9620 * config/ia64/ia64.opt: Add empty line to end of file.
9622 2006-03-17 Richard Guenther <rguenther@suse.de>
9625 * builtins.c (get_pointer_alignment): For component style references
9626 adjust alignment to the component type alignment. Make sure
9627 to adjust alignment for component access of constants.
9629 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9631 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9634 2006-03-17 Paul Brook <paul@codesourcery.com>
9636 * doc/install.texi: Docuemnt --with-mode.
9637 * config.gcc: Add --with-mode for arm*-*-*.
9638 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9640 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9642 * sh.c (max_labelno_before_reorg): New variable.
9643 (sh_reorg): Initialize it.
9644 (find_barrier): Check max_labelno_before_reorg before using
9645 label_to_alignment. Take length of explicit alignment insns
9646 into account. When seeing a UNSPECV_CONST_END, return it.
9648 * sh.c (fixup_mova): Set mode of affected label to QImode.
9649 (untangle_mova): New function.
9650 (find_barrier): Use it. Check mode of label before decrementing
9652 (sh_reorg): Likewise.
9653 Set mode of all insns back to VOIDmode.
9655 * sh.c (MOVA_LABELREF): New macro.
9656 (mova_p, fixup_mova, sh_reorg): Use it.
9657 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9658 ADDR_DIFF_VEC matches mova.
9660 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9662 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9663 with ATTRIBUTE_UNUSED.
9665 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9667 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9668 pointer, instead of assuming it is possible to derive the
9669 correct args size from a call insn.
9671 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9673 * rtl.h (CONST_INT_P): Define.
9674 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9675 instead of GET_CODE(x) == CONST_INT.
9676 (vax_rtx_costs): Likewise.
9677 (vax_output_int_move): Likewise.
9678 (vax_output_int_add): Likewise.
9679 (legitimate_constant_address_p): Likewise.
9680 (index_term_p): Likewise.
9681 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9682 * config/vax/vax.md (and<mode>3): Likewise.
9683 (ashrsi3): Likewise.
9685 (movstricthi): Likewise.
9686 (movstrictqi): Likewise.
9687 (rotrsi3): Likewise.
9688 (five unnamed insns): Likewise.
9690 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9692 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9693 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9694 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9695 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9696 Pass to ASM_OUTPUT_DWARF_OFFSET.
9697 * dwarf2out.c (debug_frame_section): New.
9698 (output_call_frame_info): Use debug_frame_section. Pass it to
9699 dw2_asm_output_offset.
9700 (output_die): Pass appropriate section to dw2_asm_output_offset.
9701 (output_compilation_unit_header): Likewise.
9702 (output_pubnames): Likewise.
9703 (output_aranges): Likewise.
9704 (enum dw_val_class): Break dw_val_class_lbl_offset into
9705 dw_val_class_lineptr and dw_val_class_macptr.
9706 (add_AT_lbl_offset): Delete.
9707 (add_AT_lineptr): New.
9708 (add_AT_macptr): New.
9709 (AT_lbl): Expect a lineptr or macptr.
9710 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9711 (attr_checksum): Likewise.
9712 (same_dw_val_p): Likewise.
9713 (size_of_die): Likewise.
9714 (value_format): Likewise.
9715 (output_die): Likewise.
9716 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9718 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9719 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9720 * config/darwin-protos.h (darwin_file_start): New.
9721 (darwin_asm_output_dwarf_offset): New.
9722 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9723 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9725 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9726 if not EH section; simplify.
9727 (darwin_file_start): New.
9728 (darwin_asm_output_dwarf_offset): New.
9729 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9731 (DEBUG_INFO_SECTION): Likewise.
9732 (DEBUG_ABBREV_SECTION): Likewise.
9733 (DEBUG_ARANGES_SECTION): Likewise.
9734 (DEBUG_MACINFO_SECTION): Likewise.
9735 (DEBUG_LINE_SECTION): Likewise.
9736 (DEBUG_LOC_SECTION): Likewise.
9737 (DEBUG_PUBNAMES_SECTION): Likewise.
9738 (DEBUG_STR_SECTION): Likewise.
9739 (DEBUG_RANGES_SECTION): Likewise.
9740 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9741 (ASM_OUTPUT_DWARF_OFFSET): New.
9743 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9745 * config.gcc (tm_defines): Always add to previous value rather
9748 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9750 * config/mips/predicates.md (splittable_const_int_operand): New,
9751 split from move_operand.
9752 (splittable_symbolic_operand): New.
9753 (move_operand): Add commentary. Use splittable_const_int_operand.
9754 Inline mips_atomic_symbolic_constant_p.
9755 * config/mips/mips.md: Add combine splitters for handling moves
9756 of splittable_const_int_operands and splittable_symbolic_operands.
9757 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9758 (mips_split_symbol): Declare.
9759 (mips_move_integer): Declare.
9760 * config/mips/mips.c (mips_split_p): Make global.
9761 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9762 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9763 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9764 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9765 (mips_offset_within_object_p): Handle block symbols.
9766 (mips_atomic_symbolic_constant_p): Delete.
9767 (mips_cannot_force_const_mem): Return false for constants that
9768 mips_legitimize_move can handle.
9769 (mips_use_blocks_for_constant_p): New function.
9770 (mips_split_symbol): Make global.
9771 (mips_move_integer): Likewise. Add a temporary register argument.
9772 (mips_legitimize_const_move): Use splittable_const_int_operand and
9773 splittable_symbolic_operand.
9774 (mips_use_anchors_for_symbol_p): New function.
9775 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9776 (mips_split_p): Declare.
9778 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9780 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9781 (mips*-*-linux*): Likewise.
9783 2006-03-16 Roger Sayle <roger@eyesopen.com>
9784 Daniel Speyer <dspeyer@wam.umd.edu>
9787 * tree-dump.c (dump_real): New function.
9788 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9789 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9790 (tree-dump.o): Add $(REAL_H) to the dependencies.
9792 2006-03-16 Roger Sayle <roger@eyesopen.com>
9795 * real.c (real_from_string): If the mantissa is zero, don't bother
9796 parsing the exponent as the result should always be zero.
9798 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9800 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9802 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9804 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9805 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9806 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9807 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9808 ia64_sched_finish_global): New static functions to implement
9809 hooks from gcc_target.sched.
9810 (spec_check_no, max_uid, pending_data_specs): New static variables.
9811 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9812 ia64_spec_check_src_p): New static functions.
9813 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9814 (TARGET_SCHED_ADJUST_COST): Removed.
9815 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9816 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9817 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9818 TARGET_SCHED_GEN_CHECK,
9819 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9820 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9821 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9822 Fixed to handle speculation checks.
9823 (rtx_needs_barrier): Fixed to handle speculative loads and
9825 (ia64_variable_issue): Added code to count speculative loads and their
9827 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9829 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9831 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9833 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9834 (ia64_reorg): Reset stops_p to NULL after it is freed.
9835 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9836 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9837 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9839 (data_speculative, control_speculative, check_load): New attributes.
9840 (mov<mode>_advanced, mov<mode>_speculative,
9841 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9842 zero_extend<mode>di2_speculative,
9843 zero_extend<mode>di2_speculative_advanced): New patterns for
9844 data and control speculative loads.
9845 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9847 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9848 New pattern for data and control speculation checks.
9849 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9850 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9851 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9852 Auxiliary definitions for the patterns.
9853 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9854 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9856 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9858 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9859 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9860 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9861 New resource constraints.
9862 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9864 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9865 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9866 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9867 msched-in-control-spec, msched-ldc, msched-control-ldc,
9868 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9869 msched-prefer-non-control-spec-insns,
9870 msched-count-spec-in-critical-path): New flags to tune speculative
9872 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9873 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9874 msched-in-control-spec, msched-ldc, msched-control-ldc,
9875 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9876 msched-prefer-non-control-spec-insns,
9877 msched-count-spec-in-critical-path): Document new flags.
9879 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9881 * target.h (struct spec_info_def): New opaque declaration.
9882 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9883 speculate_insn, needs_block_p, gen_check,
9884 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9885 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9886 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9887 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9888 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9889 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9891 (TARGET_SCHED): Use new macros.
9892 * rtl.h (copy_DEPS_LIST_list): New prototype.
9893 * sched-int.h (struct sched_info): Change signature of new_ready field,
9894 adjust all initializations. New fields: add_remove_insn,
9895 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9896 region_head_or_leaf_p.
9897 (struct spec_info_def): New structure declaration.
9898 (spec_info_t): New typedef.
9899 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9900 recovery_block, orig_pat.
9901 (glat_start, glat_end): New variables declaraions.
9902 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9904 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9905 DETACH_LIFE_INFO, USE_GLAT.
9906 (enum SPEC_SCHED_FLAGS): New enumeration.
9907 (NOTE_NOTE_BB_P): New macro.
9908 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9909 attach_life_info, debug_spec_status, check_reg_live): New functions.
9910 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9911 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9913 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9914 * ddg.c (get_block_head_tail): Adjust all uses.
9915 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9916 (sms_sched_info): Initialize new fields.
9917 (contributes_to_priority): Removed.
9918 * haifa-sched.c (params.h): New include.
9919 (get_block_head_tail): Adjust all uses.
9920 (ISSUE_POINTS): New macro.
9921 (glat_start, glat_end): New global variables.
9922 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9923 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9924 old_last_basic_block, before_recovery, current_sched_info_var,
9925 rgn_n_insns, luid): New static variables.
9926 (insn_cost1): New function. Move logic from insn_cost to here.
9927 (find_insn_reg_weight1): New function. Move logic from
9928 find_insn_reg_weight to here.
9929 (reemit_notes, move_insn, max_issue): Change signature.
9930 (move_insn1): Removed.
9931 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9932 extend_bb): New static functions to support extension of scheduler's
9934 (generate_recovery_code, process_insn_depend_be_in_spec,
9935 begin_speculative_block, add_to_speculative_block,
9936 init_before_recovery, create_recovery_block, create_check_block_twin,
9937 fix_recovery_deps): New static functions to support
9938 generation of recovery code.
9939 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9940 restore_bb_notes, move_block_after_check, move_succs): New static
9941 functions to support ebb scheduling.
9942 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9943 functions to support handling of register live information.
9944 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9945 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9946 add_jump_dependencies): New static functions.
9947 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9948 consistancy checking.
9949 (debug_spec_status): New function to call from debugger.
9950 (priority): Added code to handle speculation checks.
9951 (rank_for_schedule): Added code to distinguish speculative instructions.
9952 (schedule_insn): Added code to handle speculation checks.
9953 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9954 Fixed to handle ebbs.
9955 (move_insn): Added code to handle ebb scheduling.
9956 (max_issue): Added code to use ISSUE_POINTS of instructions.
9957 (choose_ready): Added code to choose between speculative and
9958 non-speculative instructions.
9959 (schedule_block): Added code to handle ebb scheduling and scheduling of
9960 speculative instructions.
9961 (sched_init): Initialize new variables.
9962 (sched_finish): Free new variables. Print statistics.
9963 (try_ready): Added code to handle speculative instructions.
9964 * lists.c (copy_DEPS_LIST_list): New function.
9965 * sched-deps.c (extend_dependency_caches): New function. Move logic
9966 from create_dependency_caches to here.
9967 (get_dep_weak, ds_merge): Make global.
9968 * genattr.c (main): Code to output prototype for
9969 dfa_clear_single_insn_cache.
9970 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9971 (output_dfa_clean_insn_cache_func): Code to output
9972 dfa_clear_single_insn_cache function.
9973 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9975 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9977 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9978 New static variables.
9979 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9980 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9982 (ebb_sched_info): Initialize new fields.
9983 (get_block_head_tail): Adjust all uses.
9984 (compute_jump_reg_dependencies): Fixed to use glat_start.
9985 (schedule_ebb): Code to remove unreachable last block.
9986 (schedule_ebbs): Added code to update register live information.
9987 * sched-rgn.c (region_sched_info): Initialize new fields.
9988 (get_block_head_tail): Adjust all uses.
9989 (last_was_jump): Removed. Adjust users.
9990 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9991 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9992 Implement new hooks.
9993 (check_dead_notes1): New static function.
9994 (struct region): New fields: dont_calc_deps, has_real_ebb.
9995 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9996 (BB_TO_BLOCK): Fixed to handle EBBs.
9997 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9998 (ebb_head): New static variable.
9999 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10000 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10002 (compute_dom_prob_ps): New assertion.
10003 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10004 global_live_at_start.
10005 (init_ready_list): New assertions.
10006 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10007 (new_ready): Add support for BEGIN_CONTROL speculation.
10008 (schedule_insns): Fixed code that updates register live information
10010 (schedule_region): Fixed to handle EBBs.
10011 (init_regions): Use extend_regions and check_dead_notes1.
10012 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10013 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10014 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10015 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10016 TARGET_SCHED_GEN_CHECK,
10017 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10018 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10019 * doc/invoke.texi (max-sched-insn-conflict-delay,
10020 sched-spec-prob-cutoff): Document.
10022 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10024 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10025 inter_tick, queue_index.
10026 (struct sched_info): Change signature of init_ready_list field.
10027 Adjust all initializations.
10028 (RESOLVED_DEPS): New access macro.
10029 (ready_add): Remove prototype.
10030 (try_ready): Add prototype.
10031 * sched-rgn.c (init_ready_list): Use try_ready.
10032 (schedule_region): Initialize
10033 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10034 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10035 (init_ready_list): Use try_ready.
10036 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10037 * lists.c (remove_list_elem): Remove `static'.
10038 (remove_free_INSN_LIST_elem): New function.
10039 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10040 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10041 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10043 (readyp): New variable.
10044 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10045 change_queue_index, resolve_dep): New static functions.
10046 (try_ready): New function. Adjust callers in sched-rgn.c and
10047 sched-ebb.c to use it instead of ready_add.
10048 (clock_var): Move at the begining of file.
10049 (rank_for_schedule): Fix typo.
10050 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10051 (ready_lastpos): Enforce assertion.
10052 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10053 update all callers.
10054 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10055 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10056 (queue_to_ready): Use free_INSN_LIST_list.
10057 (early_queue_to_ready): Fix typo.
10058 (schedule_block): Init readyp. Move init_ready_list call after the
10059 initialization of clock_var. Fix error in rejecting insn by
10060 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10061 that previously corrected INSN_TICKs. Add code for handling
10063 (set_priorities): Fix typo.
10064 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10065 Clarify comment and code that keeps current_sched_info->next_tail
10068 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10070 * sched-rgn.c (extend_rgns): New static function.
10071 (find_rgns): Use it.
10072 (gather_region_statistics, print_region_statistics): New static
10074 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10075 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10077 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10078 Andrey Belevantsev <abel@ispras.ru>
10080 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10081 * lists.c (unused_deps_list): New variable.
10082 (free_list): Add assertions to verify the proper distinguishing
10083 between INSN_LISTs and DEPS_LISTs.
10084 (find_list_elem, remove_list_elem, remove_list_node): New static
10086 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10087 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10088 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10089 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10091 (free_INSN_LIST_node): Likewise.
10092 * modulo-sched.c (current_sched_info): Initialize flags field.
10093 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10094 * rtl.def (DEPS_LIST): Define.
10095 * rtl.h: Declare new functions from lists.c.
10096 * sched-deps.c (spec_dependency_cache): New static variable.
10097 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10098 (add_dependence): Change return type to void. Move the logic to ...
10099 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10100 (delete_all_dependences): Add comment about forward_dependency_cache.
10101 Handle spec_dependency_cache. Handle DEPS_LISTs.
10102 (fixup_sched_groups): Clarify the change of priority of output
10103 and anti dependencies.
10104 (sched_analyze_2): Adjust add_dependence calls to create data
10105 speculative dependence.
10106 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10107 Adjust all callers. Handle DEPS_LISTS.
10108 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10109 presence of speculation.
10110 (init_dependency_caches, free_dependency_caches):
10111 Handle spec_dependency_cache.
10112 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10113 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10114 New static functions.
10115 (add_or_update_back_dep, add_or_update_back_forw_dep,
10116 add_back_forw_dep, delete_back_forw_dep): New functions.
10117 * sched-int.h (ds_t, dw_t): New typedefs.
10118 (struct sched_info): Add new field flags.
10119 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10120 Prototype new sched-deps.c functions.
10121 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10122 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10123 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10124 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10125 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10126 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10128 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10130 * sched-rgn.c (current_sched_info): Initialize flags field.
10131 (schedule_insns): Initialize current_sched_info before the sched_init
10133 * sched-ebb.c (current_sched_info): Initialize flags field.
10134 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10135 Call add_or_update_back_dep instead of add_dependence.
10136 Create control speculative dependencies.
10137 (schedule_insns): Initialize current_sched_info before the sched_init
10140 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10142 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10144 (sh_fallback_frame_state): Likewise.
10146 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10148 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10149 Do switch on default_use_cxa_atexit.
10150 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10151 * config/darwin-crt3.o: New.
10152 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10153 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10154 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10156 * config/rs6000/t-darwin: Move crt2.o building to here.
10157 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10158 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10161 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10163 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10164 from '! xxx' to '!xxx' for coding-style conformance.
10165 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10166 (EXTRA_CONSTRAINT): Likewise.
10167 * config/vax/vax.md (four unnamed insns): Likewise.
10169 2006-03-15 Paul Brook <paul@codesourcery.com>
10171 * config/arm/arm.c (minipool_pad): New.
10172 (add_minipool_forward_ref): Include pool alignment padding in address
10174 (push_minipool_fix): Set minipool_pad.
10175 (minipool_pad): Ditto.
10177 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10179 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10180 instead of GET_CODE() == MEM and REG_P() instead of
10182 (print_operand_address): Likewise.
10183 (vax_address_cost): Likewise.
10184 (vax_rtx_costs): Likewise.
10185 (vax_notice_update_cc): Likewise.
10186 (vax_output_int_add): Likewise.
10187 (INDEX_REGISTER_P): Likewise.
10188 (BASE_REGISTER_P): Likewise.
10189 (nonindexed_address_p): Likewise.
10190 (vax_mode_dependent_address_p): Likewise.
10191 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10192 (PRINT_OPERAND): Likewise.
10193 * config/vax/vax.md (ashlsi3): Likewise.
10194 (ashlsi3): Likewise.
10195 (some more unnamed insns): Likewise.
10197 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10199 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10200 iterator-style macro.
10201 (mark_control_dependent_edges_necessary): Update the use of
10202 EXECUTE_IF_CONTROL_DEPENDENT.
10204 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10206 * config/sh/predicates.md (cache_address_operand): Special.
10207 (ua_address_operand): Likewise.
10209 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10211 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10213 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10215 2006-03-15 Andreas Schwab <schwab@suse.de>
10217 * gensupport.c (identify_predicable_attribute): Don't free p_false
10218 when it is still in use.
10220 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10222 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10223 the default setting here.
10225 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10227 * tree-pass.h (pass_cfg): Remove.
10228 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10229 * passes.c (pass_cfg): Don't run it.
10231 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10233 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10234 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10236 (stack_regs_mentioned): Update the uses of
10237 stack_regs_mentioned_data. Don't access the array beyond its
10239 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10240 Don't include gt-reg-stack.h.
10242 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10243 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10245 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10247 PR middle-end/26684
10248 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10251 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10253 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10255 2006-03-14 Richard Guenther <rguenther@suse.de>
10257 PR tree-optimization/26672
10258 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10261 2006-03-14 Richard Guenther <rguenther@suse.de>
10263 PR tree-optimization/26667
10264 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10265 node for the callees. Always allow inlining if it will shrink
10268 2006-03-14 Richard Guenther <rguenther@suse.de>
10270 PR middle-end/26659
10271 * builtins.c (get_pointer_alignment): Prefer alignment
10272 information from decls over that from types.
10274 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10277 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10279 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10281 * config/rs6000/rs6000.opt (mdlmzb): New option.
10282 (msched-prolog, msched-epilog): Use Var not Mask.
10283 * doc/invoke.texi (-mdlmzb): Document.
10284 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10286 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10287 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10289 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10291 PR rtl-optimization/25739
10292 * bt-load.c (augment_live_range): Free tos pointer.
10294 * gensupport.c (identify_predicable_attribute): Free
10296 * gcov.c (create_file_names): Free name pointer.
10298 2006-03-13 Roger Sayle <roger@eyesopen.com>
10300 PR middle-end/26557
10301 * stmt.c (emit_case_nodes): Handle the case where the index is a
10302 CONST_INT, where the comparison mode is specified by the index type.
10304 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10306 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10309 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10311 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10312 (*branch_fp_inverted): Likewise.
10314 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10316 PR middle-end/25989
10317 * omp-low.c (expand_omp_for_generic): Mark istart0
10318 and iend0 as addressable.
10320 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10322 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10324 2006-03-13 Jeff Law <law@redhat.com>
10326 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10327 virtual operands are interesting.
10328 (vrp_visit_stmt): Corresponding changes.
10330 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10332 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10334 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10335 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10336 * config/bfin/crti.S: Use it instead of __PIC__.
10337 * config/bfin/crtn.S: Likewise.
10339 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10340 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10342 Lose 'G' modifier for call operand.
10343 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10344 recognize 'G' modifier.
10346 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10348 PR middle-end/18859
10349 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10350 * stmt.c (expand_case): Likewise.
10352 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10354 PR rtl-optimization/26254
10355 * loop-invariant.c (seq_insns_valid_p): New function.
10356 (move_invariant_reg): Only emit new code if it is valid.
10358 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10360 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10362 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10363 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10364 (commit_one_edge_insertion): Do not look for loop notes.
10366 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10368 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10369 flag_test_coverage out of loop.
10371 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10373 * final.c (shorten_branches): Remove outdated comment, and turn
10374 the if branch that guards it to continue.
10376 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10378 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10379 * cfgloop.h (struct loop): Remove unused fields.
10381 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10383 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10384 (-dL, -fdump-rtl-loop2): Update the dump file names
10386 * doc/invoke.texi: Update dump file names.
10388 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10390 * predict.c (estimate_probability): Remove.
10391 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10392 * basic-block.h (estimate_probability): Remove prototype.
10393 * passes.c (finish_optimization_passes): Dump branch prediction or
10394 profiling heuristics to the .profile tree dump.
10395 (init_optimization_passes): Unqueue pass_branch_prob.
10397 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10399 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10401 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10402 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10404 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10406 * function.h (frame_offset_overflow): Declare.
10407 * function.c (frame_offset_overflow): New function.
10408 (assign_stack_local_1): Call it to detect that the offset overflows.
10409 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10411 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10413 * config/sh/sh.c: Include alloc-pool.h.
10414 (label_ref_list_pool): New alloc pool.
10415 (label_ref_list_t): New type for lists of labels.
10416 (struct pool_node): Make wend a label_ref_list_t.
10417 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10419 (dump_table): Likewise.
10420 (sh_reorg): Set up the alloc pool before using add_constant and
10421 dump_table, and destroy it when finishing.
10423 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10425 * config/mips/mips.c: Remove redundant comment.
10427 2006-03-10 Jason Merrill <jason@redhat.com>
10430 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10431 the target was declared 'register'.
10433 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10435 * genpreds.c (write_insn_constraint_len): Change definition of
10436 insn_constraint_len to return size_t to match the declaration.
10438 2006-03-10 DJ Delorie <dj@redhat.com>
10440 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10442 (m32c_expand_insv): Fix test for an AND mask.
10444 2006-03-10 Richard Guenther <rguenther@suse.de>
10446 PR middle-end/26565
10447 * builtins.c (get_pointer_alignment): Handle component
10448 references for field alignment.
10450 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10452 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10453 when building with libgloss.
10454 (sh*elf): Implement --without-fp option.
10455 (sh64-superh-linux*): Don't multilib.
10457 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10459 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10461 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10463 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10464 Set it when one of the replacement functions returned true.
10465 Return TODO_cleanup_cfg if cfgchanged is true.
10466 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10468 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10470 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10471 instead of gen_lowpart.
10473 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10475 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10477 (mips_output_order_conditional_branch): Declare.
10478 * config/mips/mips.h (MIPS_BRANCH): New macro.
10479 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10480 for the comparison. Use gen_condjump.
10481 (mips_output_conditional_branch): Rework interface to take the
10482 asm templates for a direct branch and the inverse of a direct branch.
10483 (mips_output_order_conditional_branch): New function.
10484 (mips_builtin_branch_and_move): New function.
10485 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10486 branch condition. Use gen_single_cc as the condition for
10487 __builtin_mips_upper_* or __builtin_mips_lower_*.
10488 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10489 Use VOIDmode for the branch condition.
10490 * config/mips/predicates.md (order_operator): New predicate.
10491 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10492 (branch_fp): Rename to...
10493 (*branch_fp): ...this. Remove mode from comparison operator.
10494 Use new mips_output_conditional_branch interface.
10495 (branch_fp_inverted): Rename to...
10496 (*branch_fp_inverted): ...this and update as for *branch_fp.
10497 (*branch_zero<mode>): Rename to...
10498 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10499 Use mips_output_order_conditional_branch. Only accept ordered
10501 (*branch_zero<mode>_inverted): Rename to...
10502 (*branch_order<mode>_inverted): ...this and update as for
10503 *branch_order<mode>.
10504 (*branch_equality<mode>): Accept zero as the second operand to
10505 the equality operator. Use the new mips_output_conditional_branch
10507 (*branch_equality<mode>_inverted): Likewise.
10508 (condjump): New expander.
10509 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10511 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10512 (bc1any2t, bc1any2f): Likewise.
10513 (single_cc): New expander.
10514 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10516 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10518 * doc/md.texi: Update documentation of MIPS constraints.
10519 * config/mips/constraints.md: New file.
10520 * config/mips/mips.md: Include it.
10521 * config/mips/mips.c (mips_char_to_class): Delete.
10522 (override_options): Don't initialize mips_char_to_class.
10523 * config/mips/mips.h (mips_char_to_class): Delete.
10524 (REG_CLASS_FROM_LETTER): Delete.
10525 (CONST_OK_FOR_LETTER_P): Delete.
10526 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10527 (EXTRA_CONSTRAINT_Y): Delete.
10528 (EXTRA_CONSTRAINT_STR): Delete.
10529 (CONSTRAINT_LEN): Delete.
10530 (EXTRA_MEMORY_CONSTRAINT): Delete.
10532 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10534 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10535 original fn's eh regions.
10537 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10539 * fold-const.c (build_range_check): Make sure to use a valid type to
10540 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10543 (range_predecessor): New static function.
10544 (range_successor): Likewise.
10545 (merge_ranges): Use them to compute predecessors and successors of
10548 2006-03-09 Roger Sayle <roger@eyesopen.com>
10550 PR middle-end/26561
10551 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10552 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10554 2006-03-08 DJ Delorie <dj@redhat.com>
10556 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10557 (addpsi3): Expand to include memory operands. Remove
10558 reload-specific splits.
10559 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10560 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10561 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10562 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10563 (shift1_qi, shift1_hi, insv): New.
10564 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10565 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10566 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10568 * config/m32c/m32c-protos.h: Update as needed.
10569 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10570 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10571 Fail for unrecognized R* constraints.
10572 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10573 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10574 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10576 (m32c_init_libfuncs): New.
10577 (m32c_legitimate_address_p): Add debug wrapper.
10578 (m32c_rtx_costs): New.
10579 (m32c_address_cost): New.
10580 (conversions): Add 'B' prefix.
10581 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10582 operands, or word regnames for QI operands. 'B' prints bit
10584 (m32c_expand_setmemhi): New.
10585 (m32c_expand_movmemhi): New.
10586 (m32c_expand_movstr): New.
10587 (m32c_expand_cmpstr): New.
10588 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10589 (m32c_expand_neg_mulpsi3): Handle non-ints.
10590 (m32c_cmp_flg_0): New.
10591 (m32c_expand_movcc): New.
10592 (m32c_expand_insv): New.
10593 (m32c_scc_pattern): New.
10594 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10595 a0/a1 out of SIregs.
10596 (STORE_FLAG_VALUE): New.
10597 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10600 * config/m32c/mov.md: Make constraints more liberal.
10601 (zero_extendqihi2): Optimize r0/r1 case.
10602 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10603 * config/m32c/predicates.md (m32c_any_operand): New.
10604 (m32c_nonimmediate_operand): New.
10605 (m32c_hl_operand): New.
10606 (m32c_r3_operand): New.
10609 (memsym_operand): New.
10610 (memimmed_operand): New.
10611 (a_qi_operand): New.
10612 (m32c_eqne_operator): New.
10613 (m32c_1bit8_operand): New.
10614 (m32c_1bit16_operand): New.
10615 (m32c_1mask8_operand): New.
10616 (m32c_1mask16_operand): New.
10617 * config/m32c/blkmov.md: New file.
10618 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10620 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10622 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10623 unsigned to fix signed/unsigned comparison issue in
10624 DWARF2_FRAME_REG_OUT.
10625 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10626 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10628 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10629 of ptr into the ENABLE_CHECKING section.
10631 2006-03-08 Jeff Law <law@redhat.com>
10633 * tree-vrp.c (infer_value_range): Only count pointer uses
10634 and dereferences if -fdelete-null-pointer-checks is enabled.
10636 * tree-vrp.c (find_assert_locations): Infer value ranges for
10637 single use pointers, but do not create ASSERT_EXPRs for them.
10638 When a non-null range is inferred for a pointer, backwards
10639 propagate that range to other equivalent pointers through the
10642 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10645 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10646 language hook targets.
10647 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10648 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10649 if language hook targets were missing.
10651 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10653 * tree-ssa-opfinalize.h: Removed.
10654 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10656 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10657 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10658 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10659 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10660 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10661 finalize_ssa_v_must_def_ops): New.
10663 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10665 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10666 block as parameter.
10668 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10670 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10672 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10673 addresses with offsets; reorganize.
10675 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10676 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10677 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10679 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10682 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10684 2006-03-08 Ben Elliston <bje@au.ibm.com>
10686 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10688 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10691 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10694 2006-03-07 Richard Guenther <rguenther@suse.de>
10696 PR tree-optimization/26587
10697 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10699 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10701 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10703 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10705 * hooks.c (hook_bool_mode_rtx_true): New function.
10706 * hooks.h (hook_bool_mode_rtx_true): Declare.
10707 * toplev.c (compile_file): Call output_shared_constant_pool.
10708 * varasm.c (shared_constant_pool): New variable.
10709 (assemble_start_function, assemble_end_function): Remove arguments
10710 from call to output_constant_pool.
10711 (create_constant_pool): New function, split out from...
10712 (init_varasm_status): ...here.
10713 (force_const_mem): Choose between the shared and per-function constant
10714 pools. Set current_function_uses_const_pool when reusing old entries
10715 as well as when creating new ones.
10716 (mark_constant): Ignore data argument.
10717 (mark_constants): Remove pool argument.
10718 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10719 to decide whether the function uses a constant pool.
10720 (output_constant_pool_contents): New function, split out from...
10721 (output_constant_pool): ...here.
10722 (output_shared_constant_pool): New function.
10723 (init_varasm_once): Initialize shared_constant_pool.
10724 * output.h (output_constant_pool): Delete.
10725 (output_shared_constant_pool): Declare.
10726 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10727 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10729 2006-03-06 Nick Clifton <nickc@redhat.com>
10731 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10732 flag_strength_reduce.
10734 2006-03-06 Ben Elliston <bje@au.ibm.com>
10736 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10737 x86_64-*-linux* configurations.
10739 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10740 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10742 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10744 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10746 * basic-block.h: Remove the extern for
10747 rediscover_loops_after_threading.
10749 * cfgloop.c (cancel_loop): Make it static.
10750 * cfgloop.h: Remove the prototype for cancel_loop.
10752 * flow.c (recompute_reg_usage): Make it static.
10753 * rtl.h: Remove the prototype for recompute_reg_usage.
10755 * function.c (use_return_register): Make it static.
10756 * function.h: Remove the prototype.
10758 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10760 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10762 * recog.h: Remove the prototype for
10763 validate_change_maybe_volatile.
10765 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10767 * rtlanal.c (replace_reg): Remove.
10768 * rtl.h: Remove the prototype for replace_reg.
10770 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10772 * regclass.c (reg_scan_update): Remove.
10773 (reg_scan_mark_refs): Remove the last argument.
10774 * rtl.h: Remove the prototype for reg_scan_update.
10776 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10778 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10779 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10780 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10781 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10782 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10783 loop-invariant.c, omp-low.c, opts.c, passes.c,
10784 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10785 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10786 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10787 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10788 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10789 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10791 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10793 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10794 * dwarf2out.h: Remove the prototype for
10795 dwarf2out_add_library_unit_info.
10797 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10799 * tree.c (add_var_to_bind_expr): Remove.
10800 * tree.h: Remove the prototype for add_var_to_bind_expr.
10802 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10804 * regclass.c (n_non_fixed_regs): Remove.
10805 (init_reg_sets_1, globalize_reg): Remove all uses of
10807 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10809 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10811 * rtlanal.c (insns_safe_to_move_p): Remove.
10812 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10814 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10816 * expmed.c (expand_mult_add): Remove.
10817 * expr.h: Remove the prototype for expand_mult_add.
10819 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10821 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10822 and REG_SAVED_VAL_EXP constants.
10823 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10824 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10825 Handle regs stored by value.
10826 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10827 (execute_cfa_program): Handle DW_CFA_val_offset,
10828 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10829 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10830 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10831 (uw_install_context_1): Handle target regs stored by value.
10833 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10835 * tree-sra.c (tree_sra): Return todoflags;
10836 (generate_one_element): Set TODO_update_smt_usage if needed.
10837 (pass_sra): Remove TODO_update_smt_usage.
10838 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10840 (tree_ssa_forward_propagate_single_use_vars): Return
10841 TODO_update_smt_usage if we need to update SMT usage.
10842 (pass_forwprop): Remove TODO_update_smt_usage.
10844 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10846 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10847 (correct_use_link): Remove reference to get_stmt_operands.
10848 (update_stmt_operands): Likewise.
10849 (get_modify_expr_operands): New function factored out of
10850 parse_ssa_operands and get_expr_operands.
10851 Try to create V_MUST_DEFs for LHS by default.
10852 (get_expr_operands) <case MODIFY_EXPR>: Call
10853 get_modify_expr_operands.
10854 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10855 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10856 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10857 get_modify_expr_operands.
10859 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10861 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10862 * tree-flow.h: Remove the prototype for
10863 referenced_var_lookup_if_exists.
10865 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10867 PR rtl-optimization/26345
10869 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10871 2006-03-03 Roger Sayle <roger@eyesopen.com>
10873 PR tree-optimization/26524
10874 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10875 fold_convert to create a constant of the appropriate type.
10877 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10879 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10880 SYMBOL_REF_IN_BLOCK_P.
10881 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10882 of SYMBOL_FLAG_IN_BLOCK.
10883 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10884 instead of SYMBOL_REF_IN_BLOCK_P.
10885 * explow.c (use_anchored_address): Likewise.
10886 * rtl.c (rtx_size): Likewise.
10887 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10888 instead of SYMBOL_FLAG_IN_BLOCK.
10889 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10890 SYMBOL_REF_IN_BLOCK_P.
10891 (assemble_variable): Likewise.
10892 (output_constant_def_contents): Likewise.
10893 (output_constant_pool): Likewise.
10894 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10895 instead of SYMBOL_FLAG_IN_BLOCK.
10896 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10897 SYMBOL_REF_IN_BLOCK_P.
10898 (SYMBOL_REF_BLOCK): Likewise.
10899 (SYMBOL_REF_OFFSET): Likewise.
10900 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10901 SYMBOL_REF_IN_BLOCK_P.
10902 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10903 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10904 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10905 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10907 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10909 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10911 2006-03-02 Roger Sayle <roger@eyesopen.com>
10913 * simplify-rtx.c (simplify_unary_operation): When simplifying
10914 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10915 that we perform the right shift in the appropriate mode, and
10916 then extend or truncate the result to requested mode.
10918 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10920 * gengtype.c (main): Handle double_int type.
10921 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10922 * double-int.c: New file.
10923 * double-int.h: New file.
10924 * system.h: Include doubleint.h.
10925 * Makefile.in (SYSTEM_H): Include double-int.h.
10926 (double-int.o): Add.
10928 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10931 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10934 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10936 * tree-vrp.c (remove_range_assertions): Do not update statements
10939 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10941 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10943 * gcse.c (rest_of_handle_gcse): Ditto.
10944 * except.c (gate_handle_eh): Ditto.
10945 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10946 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10948 2006-03-02 Eric Christopher <echristo@apple.com>
10950 * config/i386/i386.c (machopic_output_stub): Add indirection to
10953 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10957 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10959 Sun Niagara specific optimizations.
10960 * config.gcc: Recognize niagara as target.
10961 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10962 (TARGET_CPU_niagara): Define.
10963 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10964 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10965 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10966 (ASM_CPU_SPEC): Likewise.
10967 (PROCESSOR_NIAGARA): New enum entry.
10968 (REGISTER_MOVE_COST): Handle Niagara.
10969 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10970 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10971 (sparc_override_options): Recognize "niagara", set appropriate
10972 default MASK_* values for it, and align functions to 32-bytes
10973 by default just like ULTRASPARC/ULTRASPARC3.
10974 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10975 (sparc64_initialize_trampoline): Likewise.
10976 (sparc_use_sched_lookahead): Use zero for niagara.
10977 (sparc_issue_rate): Use one for niagara.
10978 * config/sparc/niagara.md: New file.
10979 * config/sparc/sparc.md: Include it.
10980 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10981 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10982 when default cpu is niagara.
10983 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10984 (ASM_CPU_SPEC): Likewise.
10985 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10986 when default cpu is niagara.
10987 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10988 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10989 just like v9/ultrasparc/ultrasparc3.
10990 * doc/invoke.texi: Add documentation for "niagara" and improve
10991 existing documentation for ultrasparc variants.
10993 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10995 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10997 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10999 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11000 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11001 and say that only one is needed.
11002 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11003 * target.h (have_switchable_bss_sections): New hook.
11004 * explow.c (use_anchored_address): Check that the symbol is in a block.
11005 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11006 (bss_noswitch_section): New variables.
11007 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11008 (get_noswitch_section): New function.
11009 (get_block_for_section): Allow SECT to be null.
11010 (unlikely_text_section_p): Use SECTION_STYLE.
11011 (bss_initializer_p): New function.
11012 (get_variable_section): Move earlier in file. Take a new argument,
11013 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11014 Return one of the new *_sections in such cases.
11015 (get_block_for_decl): New function, extracting some logic from
11016 use_blocks_for_decl_p.
11017 (change_symbol_section): Remove in favor of...
11018 (change_symbol_block): ...this new function.
11019 (use_blocks_for_decl_p): Remove checks now performed by
11020 get_block_for_decl.
11021 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11022 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11023 (emit_local, emit_bss, emit_common): ...these new functions.
11024 Return true if the alignment was honored.
11025 (emit_tls_common): New function.
11026 (asm_emit_uninitialised): Delete.
11027 (assemble_variable_noswitch): New function, split out from...
11028 (assemble_variable): ...here. Don't make decisions about common
11029 variables here. Globalize all public decls that go into non-common
11030 sections. Check whether SYMBOL_REF_BLOCK is null.
11031 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11032 (output_constant_pool): Likewise.
11033 (init_varasm_once): Initialize the new section variables.
11034 (have_global_bss_p): New function.
11035 (categorize_decl_for_section): Use bss_initializer_p.
11036 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11037 (place_block_symbol): Assert that the symbol must be in a block.
11038 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11039 (TARGET_INITIALIZER): Include it.
11040 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11041 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11042 (SECTION_MACH_DEP): Bump by two.
11043 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11044 (unnamed_section): Mention SECTION_UNNAMED in comment.
11045 (named_section): Likewise SECTION_NAMED.
11046 (noswitch_section_callback): New type.
11047 (noswitch_section): New structure.
11048 (section): Add a noswitch_section alternative.
11049 (SECTION_STYLE): New macro.
11050 (tls_comm_section, comm_section, lcomm_section): Declare.
11051 (bss_noswitch_section, have_global_bss_p): Declare.
11052 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11053 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11055 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11056 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11059 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11061 * tree-vrp.c (execute_vrp): Return value.
11062 * regrename.c (rest_of_handle_regrename): Ditto.
11063 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11064 * tree-complex.c (tree_lower_complex): Ditto.
11065 (tree_lower_complex_O0): Ditto.
11066 * tracer.c (rest_of_handle_tracer): Ditto.
11067 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11068 * postreload.c (rest_of_handle_postreload): Ditto.
11069 * tree-tailcall.c (execute_tail_recursion): Ditto.
11070 (execute_tail_calls): Ditto.
11071 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11072 * tree.h (init_function_for_compilation): Ditto.
11073 * ipa-cp.c (ipcp_driver): Ditto.
11074 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11075 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11076 * final.c (compute_alignments): Ditto.
11077 (rest_of_handle_final): Ditto.
11078 (rest_of_handle_shorten_branches): Ditto.
11079 (rest_of_clean_state): Ditto.
11080 * omp-low.c (execute_expand_omp): Ditto.
11081 (execute_lower_omp): Ditto.
11082 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11083 * ipa-reference.c (static_execute): Ditto.
11084 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11085 * reorg.c (rest_of_handle_delay_slots): Ditto.
11086 (rest_of_handle_machine_reorg): Ditto.
11087 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11088 * flow.c (recompute_reg_usage): Ditto.
11089 (rest_of_handle_remove_death_notes): Ditto.
11090 (rest_of_handle_life): Ditto.
11091 (rest_of_handle_flow2): Ditto.
11092 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11093 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11094 (do_ssa_store_ccp): Ditto.
11095 (execute_fold_all_builtins): Ditto.
11096 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11097 * modulo-sched.c (rest_of_handle_sms): Ditto.
11098 * ipa-pure-const.c (static_execute): Ditto.
11099 * cse.c (rest_of_handle_cse): Ditto.
11100 (rest_of_handle_cse2): Ditto.
11101 * web.c (rest_of_handle_web): Ditto.
11102 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11103 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11104 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11105 * tree-nrv.c (tree_nrv): Ditto.
11106 (execute_return_slot_opt): Ditto.
11107 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11108 (create_structure_vars): Ditto.
11109 * loop-init.c (rtl_loop_init): Ditto.
11110 (rtl_loop_done): Ditto.
11111 (rtl_move_loop_invariants): Ditto.
11112 (rtl_unswitch): Ditto.
11113 (rtl_unroll_and_peel_loops): Ditto.
11114 (rtl_doloop): Ditto.
11115 * gimple-low.c (lower_function_body): Ditto.
11116 (mark_used_blocks): Ditto.
11117 * tree-ssa-sink.c (execute_sink_code): Ditto.
11118 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11119 (cgraph_early_inlining): Ditto.
11120 * global.c (rest_of_handle_global_alloc): Ditto.
11121 * jump.c (cleanup_barriers): Ditto.
11122 (purge_line_number_notes): Ditto.
11123 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11124 (rest_of_handle_if_after_reload): Ditto.
11125 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11126 (tree_ssa_loop_im): Ditto.
11127 (tree_ssa_loop_unswitch): Ditto.
11128 (tree_vectorize): Ditto.
11129 (tree_linear_transform): Ditto.
11130 (tree_ssa_loop_ivcanon): Ditto.
11131 (tree_ssa_empty_loop): Ditto.
11132 (tree_ssa_loop_bounds): Ditto.
11133 (tree_complete_unroll): Ditto.
11134 (tree_ssa_loop_prefetch): Ditto.
11135 (tree_ssa_loop_ivopts): Ditto.
11136 (tree_ssa_loop_done): Ditto.
11137 * predict.c (tree_estimate_probability): Ditto.
11138 * recog.c (split_all_insns_noflow): Ditto.
11139 (rest_of_handle_peephole2): Ditto.
11140 (rest_of_handle_split_all_insns): Ditto.
11141 * tree-eh.c (lower_eh_constructs): Ditto.
11142 * regmove.c (rest_of_handle_regmove): Ditto.
11143 (rest_of_handle_stack_adjustments): Ditto.
11144 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11145 * function.c (instantiate_virtual_regs): Ditto.
11146 (init_function_for_compilation): Ditto.
11147 (rest_of_handle_check_leaf_regs): Ditto.
11148 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11149 (rest_of_handle_gcse): Ditto.
11150 * ipa-type-escape.c (type_escape_execute): Ditto.
11151 * alias.c (rest_of_handle_cfg): Ditto.
11152 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11153 * profile.c (rest_of_handle_branch_prob): Ditto.
11154 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11155 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11156 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11157 * tree-dfa.c (find_referenced_vars): Ditto.
11158 * except.c (set_nothrow_function_flags): Ditto.
11159 (convert_to_eh_region_ranges): Ditto.
11160 (rest_of_handle_eh): Ditto.
11161 * emit-rtl.c (unshare_all_rtl): Ditto.
11162 (remove_unnecessary_notes): Ditto.
11163 * except.h (set_nothrow_function_flags): Ditto.
11164 (convert_to_eh_region_ranges): Ditto.
11165 * cfgexpand.c (tree_expand_cfg): Ditto.
11166 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11167 * tree-ssa-pre.c (do_pre): Ditto.
11168 (execute_fre): Ditto.
11169 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11170 (rest_of_handle_jump2): Ditto.
11171 * tree-sra.c (tree_sra): Ditto.
11172 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11173 (execute_mudflap_function_decls): Ditto.
11174 * tree-ssa-copy.c (do_copy_prop): Ditto.
11175 (do_store_copy_prop): Ditto.
11176 * ipa-prop.h (ipcp_driver): Ditto.
11177 * cfglayout.c (insn_locators_initialize): Ditto.
11178 * tree-ssa-forwprop.c
11179 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11180 * cfglayout.h (insn_locators_initialize): Ditto.
11181 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11182 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11183 (execute_late_warn_uninitialized): Ditto.
11184 * rtl.h (cleanup_barriers): Ditto.
11185 (split_all_insns_noflow): Ditto.
11186 (purge_line_number_notes): Ditto.
11187 (unshare_all_rtl): Ditto.
11188 (remove_unnecessary_notes): Ditto.
11189 (recompute_reg_usage): Ditto.
11190 (variable_tracking_main): Ditto.
11191 * integrate.c (emit_initial_value_sets): Ditto.
11192 * integrate.h (emit_initial_value_sets): Ditto.
11193 * tree-optimize.c (execute_free_datastructures): Ditto
11194 (execute_free_cfg_annotations): Ditto.
11195 (execute_fixup_cfg): Ditto.
11196 (execute_cleanup_cfg_pre_ipa): Ditto.
11197 (execute_cleanup_cfg_post_optimizing): Ditto.
11198 (execute_init_datastructures): Ditto.
11199 * tree-object-size.c (compute_object_sizes): Ditto.
11200 * combine.c (rest_of_handle_combine): Ditto.
11201 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11202 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11203 (rest_of_handle_reorder_blocks): Ditto.
11204 (rest_of_handle_partition_blocks): Ditto.
11205 * var-tracking.c (variable_tracking_main): Ditto.
11206 * tree-profile.c (tree_profiling): Ditto.
11207 * tree-vect-generic.c (expand_vector_operations): Ditto.
11208 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11209 * sched-rgn.c (rest_of_handle_sched): Ditto.
11210 (rest_of_handle_sched2): Ditto.
11211 * basic-block.h (free_bb_insn): Ditto.
11212 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11213 * tree-cfg.c (execute_build_cfg): Ditto.
11214 (remove_useless_stmts): Ditto.
11215 (split_critical_edges): Ditto.
11216 (execute_warn_function_return): Ditto.
11217 (execute_warn_function_noreturn): Ditto.
11218 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11219 * cfgrtl.c (free_bb_for_insn): Ditto.
11220 * passes.c (execute_one_pass): Run additional
11221 todos returned by execute function.
11222 * tree-pass.h (struct tree_opt_pass): Make execute
11225 2006-03-02 Richard Guenther <rguenther@suse.de>
11227 * tree-ssa-alias.c (find_used_portions): Consider taking
11228 the address as making the variable not write-only.
11230 2006-03-02 Nick Clifton <nickc@redhat.com>
11232 * config.gcc (default_use_cxa_atexit): Extend the description of
11233 this configure variable. Set its default value to "yes" for
11234 Linux, NetBSD and ELF targets on the assumption that they will
11235 use C libraries with the __cxa_atexit function.
11237 2006-03-02 Ben Elliston <bje@au.ibm.com>
11239 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11240 parameter as unused to suppress a build warning.
11242 2006-03-02 Ben Elliston <bje@au.ibm.com>
11244 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11247 2006-03-01 Roger Sayle <roger@eyesopen.com>
11250 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11251 declared name, the weak reference name, and the typeof name.
11252 (__gthrw): Avoid expanding the declared name suffix.
11253 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11255 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11257 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11259 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11260 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11261 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11262 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11263 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11264 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11265 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11266 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11267 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11268 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11269 (DW_END_default, DW_END_big, DW_END_little): New.
11270 (DW_END_lo_user, DW_END_hi_user): Define.
11271 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11272 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11273 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11276 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11278 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11280 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11282 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11284 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11286 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11287 to 'symbol_mem_tag'.
11289 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11292 2006-03-01 Roger Sayle <roger@eyesopen.com>
11294 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11296 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11299 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11300 MACHO_DYNAMIC_NO_PIC_P.
11301 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11303 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11306 * config/darwin-protos.h (darwin_asm_output_anchor):
11308 * config/darwin-sections.def (cstring_section):
11309 Add SECTION_MERGE to the flags.
11310 (literal4_section): Likewise.
11311 (literal8_section): Likewise.
11312 (objc_selector_refs_section): Likewise.
11313 (objc_cls_refs_section): Likewise.
11314 * config/darwin.c (darwin_asm_output_anchor): New
11316 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11318 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11320 Fix PR tree-optimization/26443
11321 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11322 to todo and PROP_tmt_usage to properties_destroyed.
11323 * tree-ssa-ccp.c (pass_ccp): Ditto.
11324 (pass_store_ccp): Ditto.
11325 * tree-ssa-dom.c (pass_dominator): Ditto.
11327 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11329 * tree-ssa-operands.c: Cleanup whitespace.
11330 (get_asm_expr_operands): Move before first invocation.
11331 (get_indirect_ref_operands): Likewise.
11332 (get_tmr_operands): Likewise.
11333 (get_call_expr_operands): Likewise.
11334 (append_def): Likewise.
11335 (append_use): Likewise.
11336 (append_v_may_def): Likewise.
11337 (append_v_must_def): Likewise.
11338 (add_call_clobber_ops): Likewise.
11339 (add_call_read_ops): Likewise.
11340 (add_stmt_operand): Likewise.
11341 (add_virtual_operand): Likewise.
11342 (build_ssa_operands): Likewise.
11344 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11346 PR middle-end/26022
11348 PR middle-end/24437
11349 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11350 with a call expr to ...
11351 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11353 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11355 * tree-vrp.c (extract_range_from_assert): Remove special
11356 handling for types with super-types.
11358 2006-03-01 Ben Elliston <bje@au.ibm.com>
11360 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11361 and powerpc64-*-linux* configurations.
11362 * config/t-dfprules: New file.
11364 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11365 Compile dfp-bit.c from the source directory using -DWIDTH and
11366 $DFP_CFLAGS to control the compilation of that file, rather than
11367 generating width-specific versions in the build directory.
11368 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11369 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11371 2006-02-28 Zack Weinberg <zackw@panix.com>
11373 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11376 2006-02-28 Eric Christopher <echristo@apple.com>
11378 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11379 Set up IN_LIBGCC definition of TARGET_64BIT.
11380 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11382 2006-02-28 Roger Sayle <roger@eyesopen.com>
11384 PR middle-end/14752
11385 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11386 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11387 cases via the construction of "expr != 0".
11389 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11391 * alias.c (alias_invariant, alias_invariant_size): Remove.
11392 (record_base_value): Remove.
11393 (memrefs_conflict_p): Don't look at alias_invariant.
11394 (end_alias_analysis): Don't free it.
11395 * alias.h (record_base_value): Remove prototype.
11397 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11398 Adam Nemet <anemet@caviumnetworks.com>
11400 * rtl.h (truncated_to_mode): Declare it.
11401 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11402 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11403 (RTL_HOOKS_INITIALIZER): Include it.
11404 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11405 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11406 reg_truncated_to_mode.
11407 * rtlanal.c (truncated_to_mode): Define it.
11408 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11410 2006-02-28 Jeff Law <law@redhat.com>
11412 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11413 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11414 the range allowed by TYPE_PRECISION.
11416 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11418 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11420 PR tree-optimization/26419
11421 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11424 2006-02-27 Zack Weinberg <zackw@panix.com>
11426 * doc/md.texi: Fix typo in previous change.
11428 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11432 2006-02-27 Zack Weinberg <zackw@panix.com>
11434 * rtl.def (define_constraint, define_register_constraint)
11435 (define_memory_constraint, define_address_constraint): New MD forms.
11436 * gensupport.c (process_rtx): Put define_constraint etc on the
11438 * genpreds.c (process_define_predicate): Adjust comment. Validate
11439 the name, and call validate_exp to validate the expression.
11440 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11441 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11442 all callers changed.
11443 (validate_exp, needs_variable, struct constraint_data)
11444 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11445 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11446 (const_dbl_constraints, constraint_max_namelen)
11447 (have_register_constraints, have_memory_constraints)
11448 (have_address_constraints, have_address_constraints)
11449 (have_extra_constraints, have_const_int_constraints)
11450 (have_const_dbl_constraints, mangle, add_constraint)
11451 (process_define_constraint, process_define_register_constraint)
11452 (write_enum_constraint_num, write_lookup_constraint)
11453 (write_insn_constraint_len, write_regclass_for_constraint)
11454 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11455 (write_insn_extra_memory_constraint)
11456 (write_insn_extra_address_constraint)
11457 (write_satisfies_constraint_fns): New.
11458 (write_tm_preds_h): If we have new-style constraint definitions,
11459 prototype the functions generated from them, and define the
11460 old constraint interface (still used by generic code) in terms of
11462 (write_insn_preds_c): If we have new-style constraint definitions,
11463 generate all relevant functions from those definitions.
11464 (main): Handle define_constraint etc.
11465 * genoutput.c (struct constraint_data, indep_constraints)
11466 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11467 (mdep_constraint_len): New data structures and functions, defined
11468 #ifdef USE_MD_CONSTRAINTS.
11469 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11470 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11471 use new logic to validate operand constraints against constraint
11473 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11475 * defaults.h: If none of the old-style constraint macros are
11476 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11477 old-style macros; and poison REG_CLASS_FROM_LETTER,
11478 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11480 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11481 * doc/md.texi: Document new constraint-definition mechanism and the
11482 C interface it provides. Remove references to old mechanism
11483 elsewhere in the document.
11484 (Machine Constraints): Use pathnames relative to gcc directory,
11485 i.e. config/ARCH/FILE. Change i386 section to refer to
11486 config/i386/predicates.md; update that section to match docstrings.
11487 * doc/tm.texi: Move all documentation of the old constraint-
11488 definition macros to their own section, clearly mark as obsolete.
11490 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11491 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11493 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11494 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11495 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11496 constraint strings.
11497 (splits and peepholes): Use satisfies_constraint_*.
11498 * config/i386/i386.c (memory_address_length)
11499 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11501 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11503 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11504 scalar operation to be put back into the loop.
11506 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11509 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11510 (extract_cie_info): Handle S flag in augmentation string.
11511 (execute_cfa_program): If context->signal_frame, execute also
11512 fs->pc == context->ra instructions.
11513 (uw_frame_state_for): If context->signal_frame, don't subtract one
11514 from context->ra to find FDE.
11515 (uw_update_context_1): Set context->signal_frame to
11517 (_Unwind_GetIPInfo): New function.
11518 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11519 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11521 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11522 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11523 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11524 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11525 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11526 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11527 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11528 x86_64_fallback_frame_state): Set fs->signal_frame.
11529 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11530 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11531 (frob_update_context): Likewise. Workaround missing S flag in
11532 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11533 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11534 Remove the psw_addr + 1 hack.
11536 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11538 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11539 with aggregates here.
11540 (find_func_aliases): Remove code for &<aggregate> from here.
11542 2006-02-26 Roger Sayle <roger@eyesopen.com>
11544 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11545 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11546 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11547 as (X & C) ne/eq 0.
11549 2006-02-26 Roger Sayle <roger@eyesopen.com>
11551 PR middle-end/19983
11552 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11554 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11556 * opts.c (decode_options): Do not handle flag_strength_reduce.
11557 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11558 and OPT_fstrength_reduce.
11559 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11560 flag_prefetch_loop_arrays for being nonzero.
11561 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11563 (fprefetch-loop-arrays-rtl): Removed.
11564 (flag_prefetch_loop_arrays): Do not specify the value.
11566 * doc/passes.texi: Update documentation of loop optimizer
11568 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11569 -frerun-loop-opt): Remove.
11571 2006-02-26 Richard Guenther <rguenther@suse.de>
11573 PR tree-optimization/26421
11574 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11575 in function calls that are ADDR_EXPRs as using the whole structure.
11577 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11579 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11580 * tree-pass.h (pass_loop_optimize): Remove.
11581 * passes.c (pass_loop_optimize): Never run it.
11582 * toplev.c (backend_init): Don't call init_loop.
11583 * opts.c (flag_loop_optimize_set): Remove.
11584 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11585 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11586 the old RTL loop optimizer when profiling enabled.
11587 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11588 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11589 pre-headers for the sake of the old RTL loop optimizer.
11590 * Makefile.in: Remove all references to loop.o.
11592 * doc/invoke.texi: Remove all references to -floop-optimize
11593 and -frerun-loop-opt.
11595 2006-02-26 Zack Weinberg <zackw@panix.com>
11597 * doc/md.texi (Machine Constraints): Refer to all files with paths
11598 relative to gcc directory (i.e. config/CPU/file). Add missing
11599 @table @code ... @end table to M32C subsection.
11601 2006-02-26 Roger Sayle <roger@eyesopen.com>
11603 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11605 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11607 2006-02-26 Roger Sayle <roger@eyesopen.com>
11608 James A. Morrison <phython@gcc.gnu.org>
11610 PR middle-end/21137
11611 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11612 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11613 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11614 signedness of the shift operation.
11616 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11618 PR tree-optimization/26359
11619 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11621 2006-02-25 Roger Sayle <roger@eyesopen.com>
11623 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11624 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11625 as X == 0, and some symmetry related transformations.
11626 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11628 2006-02-25 Roger Sayle <roger@eyesopen.com>
11630 PR middle-end/23673
11631 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11632 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11633 symmetry related transformations. Fold (X^C1) == C2 as
11636 2006-02-25 Juergen Weigert <jw@suse.de>
11637 Richard Guenther <rguenther@suse.de>
11639 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11641 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11643 * combine.c (gen_lowpart_or_truncate): Call
11644 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11646 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11648 * doc/invoke.texi: Move -fopenmp description to "Options for
11650 Remove reference to -lgomp.
11652 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11654 * doc/install.texi: Require GNU tar version 1.14.
11656 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11658 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11659 * doc/invoke.texi (C++ Dialect Options): Document
11660 -fno-use-cxa-get-exception-ptr.
11661 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11662 * configure: Regenerate.
11663 * c.opt (fuse-cxa-get-exception-ptr): New.
11664 * c-opts.c (c_common_handle_option): Handle
11665 OPT_fuse_cxa_get_exception_ptr.
11666 * c-common.c (flag_use_cxa_atexit): Update documentation.
11667 (flag_use_cxa_get_exception_ptr): New.
11668 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11669 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11671 (C_COMMON_OVERRIDE_OPTIONS): New.
11673 2006-02-24 Roger Sayle <roger@eyesopen.com>
11675 PR middle-end/24952
11676 * combine.c (try_combine): Explicitly check whether GET_CODE is
11677 a SET or a CLOBBER, instead on checking that it isn't a USE.
11679 2006-02-24 Roger Sayle <roger@eyesopen.com>
11681 * fold-const.c (fold_comparison): New subroutine of fold_binary
11682 containing transformations common to both the equality and
11683 ordering relational operators, factored out of fold_binary.
11684 (fold_binary): Separate out the equality operators (EQ_EXPR
11685 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11686 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11687 transformations common to both.
11688 (fold_div_compare): Fix latent bugs in the previously unreachable
11689 LT_EXPR and GE_EXPR cases.
11691 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11693 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11694 decl libname for clog to __clog on AIX.
11696 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11698 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11701 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11702 output traceback table for thunks. Localise rs6000_stack_info call.
11704 2006-02-23 Roger Sayle <roger@eyesopen.com>
11705 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11707 * gthr-posix.h (__gthrw): Fix typo in comment.
11709 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11711 * doc/cpp.texi (Character sets): Document that we do support
11712 input files to be in any character set.
11714 2006-02-23 Jeff Law <law@redhat.com>
11716 * tree.h (PHI_ARG_NONZERO): Remove.
11717 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11718 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11719 node to the new node.
11721 PR tree-optimization/26425
11722 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11723 min/max, then assume its varying.
11725 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11727 PR rtl-optimization/26316
11728 * rtlanal.c (enum may_trap_p_flags): New.
11729 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11730 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11731 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11732 (may_trap_after_code_motion_p): New function.
11733 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11734 (find_invariant_insn): Use may_trap_after_code_motion_p.
11735 * rtl.h (may_trap_after_code_motion_p): Declare.
11737 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11739 * emit-rtl.c (immed_double_const): Cleanup.
11741 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11743 Fix PR tree-optimization/26376
11744 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11747 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11749 PR middle-end/26412
11750 * gimplify.c (omp_add_variable): Guard variable size decl test with
11751 DECL_SIZE (decl) check.
11753 2006-02-23 Richard Guenther <rguenther@suse.de>
11755 PR middle-end/26439
11756 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11757 like aggregate types.
11759 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11761 * configure.ac: Add --with{,out}-long-double-128 configure option.
11762 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11763 * configure: Rebuilt.
11764 * config.in: Rebuilt.
11765 * doc/install.texi (Options specification): Document
11766 --with-long-double-128.
11768 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11769 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11770 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11771 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11773 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11775 * config/s390/s390.c (override_options): Handle
11776 TARGET_DEFAULT_LONG_DOUBLE_128.
11778 * config/alpha/alpha.c (override_options): Handle
11779 TARGET_DEFAULT_LONG_DOUBLE_128.
11781 * config/sparc/sparc.c (sparc_override_options): Handle
11782 TARGET_DEFAULT_LONG_DOUBLE_128.
11784 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11786 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11787 (real-install-headers-tar, real-install-headers-cpio)
11788 (real-install-headers-cp): New targets.
11790 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11792 * tree.h (variable_section): Delete.
11793 * varasm.c (variable_section): Delete.
11795 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11797 * install.texi: Add notes on install.texi2html.
11798 (Building in parallel): Do not use footnotes.
11800 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11803 * doc/install.texi (Configuration): Document --disable-libgomp.
11805 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11807 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11809 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11811 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11812 (vec_extractv2df_0_sse): New.
11814 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11816 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11817 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11818 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11819 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11820 to the result of the expression.
11821 (def_cfa_1): Adjust.
11822 (frame_pointer_cfa_offset): Rename to...
11823 (frame_pointer_fb_offset): ... this. Adjust all uses.
11824 (convert_cfa_to_loc_list): Rename to...
11825 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11826 Pass it on to build_cfa_loc.
11827 (compute_frame_pointer_to_cfa_displacement): Rename to...
11828 (compute_frame_pointer_to_fb_displacement): ... this. New
11829 offset parameter. Use it in computation.
11830 (gen_subprogram_die): Compute cfa_fb_offset with the new
11831 macro, and use it to compute the fb loc list and the
11834 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11836 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11837 replaced with register_operand.
11838 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11839 non-DREG is expensive.
11840 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11841 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11844 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11846 * doc/install.texi2html: Use set -e.
11848 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11850 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11851 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11852 * doc/invoke.texi (-fshared-data): Delete.
11853 * common.opt (fshared-data): Delete.
11854 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11855 (assemble_static_space): Remove #if 0 code.
11856 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11857 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11858 * config/cris/cris.h: Remove FIXME.
11860 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11862 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11865 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11867 PR middle-end/26379
11868 * combine.c (simplify_shift_const_1): Disable nested shifts
11869 optimization for vector shifts.
11871 2006-02-20 Roger Sayle <roger@eyesopen.com>
11873 PR tree-optimization/26361
11874 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11875 of unsigned integer types.
11877 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11879 * tree-chrec.c (eq_evolutions_p): New.
11880 * tree-chrec.h (eq_evolutions_p): Declared.
11881 * tree-data-ref.c: Fix formatting.
11882 (datadep_stats, dependence_stats): New.
11884 (print_direction_vector): New.
11885 (dump_data_dependence_relation): Use print_direction_vector.
11886 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11887 (compute_subscript_distance): Static.
11888 (initialize_data_dependence_relation): Static. Get the number
11889 of loops surrounding the references from the callers, and initialize
11890 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11891 base_object_differ_p analyzers.
11892 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11893 compute_overlap_steps_for_affine_1_2,
11894 analyze_subscript_affine_affine): Count the classified dependences.
11895 Print a message when a test failed.
11896 (can_use_analyze_subscript_affine_affine): New.
11897 (analyze_siv_subscript): Compute the data dependences on symbolic
11898 scevs that verify can_use_analyze_subscript_affine_affine.
11899 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11900 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11901 Handle symbolic scevs.
11902 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11904 (subscript_dependence_tester): Moved...
11905 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11906 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11907 DDR_SIZE_VECT instead of getting it in parameter.
11908 (subscript_dependence_tester): ... here. Take as a parameter
11909 loop_nest_depth. Call build_classic_dist_vector and
11910 build_classic_dir_vector.
11911 (compute_affine_dependence): Update subscript_dependence_tester
11912 parameters. Update datadep_stats counters. Call
11913 compute_subscript_distance.
11914 (compute_self_dependence): Save the dist and dir vectors. Call
11915 compute_subscript_distance.
11916 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11917 (compute_all_dependences): Reorder parameters as they were before
11918 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11919 compute_subscript_distance. Update the use of
11920 compute_affine_dependence and initialize_data_dependence_relation.
11921 (find_data_references_in_loop): Handle COMPONENT_REF.
11922 (compute_data_dependences_for_loop): Initialize dependence_stats.
11923 Don't call build_classic_dist_vector and build_classic_dir_vector.
11924 Update the parameters of initialize_data_dependence_relation and
11925 compute_all_dependences. Print the statistics from datadep_stats.
11926 (analyze_all_data_dependences): Static. Not used until the pass for
11927 checking the data dependences is contributed.
11928 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11929 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11930 (initialize_data_dependence_relation, compute_affine_dependence,
11931 analyze_all_data_dependences, compute_subscript_distance): Removed.
11932 (print_direction_vector): New.
11933 * lambda.h (gcd): ... here.
11934 (lambda_vector_gcd): Moved here from gcd_vector.
11935 * lambda-code.c (gcd, gcd_vector): Removed.
11936 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11937 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11939 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11941 * ipa-type-escape.c: Tidy some comments and white space.
11942 * tree-ssa-operands.c: Likewise.
11944 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11947 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11948 (dump_decl_name): Do not walk the decl tree chains.
11949 * tree-pass.h (TDF_CHAIN): Remove.
11951 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11953 * Makefile.in (C): Remove
11955 (.PHONY): Remove C and PROTO
11957 2006-02-20 Roger Sayle <roger@eyesopen.com>
11959 PR middle-end/26236
11960 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11961 deprecated CHAR_TYPE tree code.
11963 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11965 * configure.ac (target_list): Add install-info, dvi, html.
11966 * configure: Regenerate.
11968 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11969 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11970 treelang/Make-lang.in: Do not use double-colon rules.
11972 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11974 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11975 (TMT_USED_ALONE): New macro.
11976 * tree-pass.h (PROP_tmt_usage): New property.
11977 (TODO_update_tmt_usage): New todo.
11978 * tree-ssa-alias.c (updating_used_alone): New variable.
11979 (recalculate_used_alone): New function.
11980 (compute_may_aliases): Set updating_used_alone, call
11981 recalculate_used_alone.
11982 * tree-sra.c (pass_sra): Note that this pass destroys
11983 PROP_tmt_usage, and add TODO_update_tmt_usage.
11984 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11985 * tree-flow.h (updating_used_alone): Prototype.
11986 (recalculate_used_alone): Ditto.
11987 * passes.c (execute_todo): Add code to set updating_used_alone,
11988 and call recalculate.
11989 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11990 for clobber if used alone, and add assert to verify used_alone
11993 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11995 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11996 for non tls symbols added.
11997 (legitimize_address): Do nothing for PLUS expressions if one of the
11998 addends is a tls symbol reference.
12000 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12004 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12006 * Makefile.in (BOOTSTRAPPING): New.
12007 (quickstrap): New definition if BOOTSTRAPPING=yes.
12009 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12010 * configure.ac: Substitute all_selected_languages with the languages
12011 that were configured. For all the other variables except
12012 lang_specs_files, include all the languages in the tree.
12013 * configure: Regenerate.
12015 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12016 if there is one. Run the commands to run fixincludes in the same
12019 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12020 * doc/install.texi: Document exact conventions for searching target tools.
12021 Document --with-build-time-tools. Document toplevel bootstrap. Document
12022 something more about building an Ada cross-compiler. Don't list GNU Make
12023 requirements which affect all platforms.
12025 2006-02-19 Roger Sayle <roger@eyesopen.com>
12027 PR middle-end/19543
12028 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12029 only equivalent if the have both the same mode and precision.
12031 2006-02-20 Ben Elliston <bje@au.ibm.com>
12033 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12035 2006-02-19 Roger Sayle <roger@eyesopen.com>
12036 Steven Bosscher <stevenb.gcc@gmail.com>
12038 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12039 constant pool references to identify stack mode constants.
12040 * rtlanal.c (constant_pool_constant_p): New predicate to check
12041 whether operand is a floating point constant in the pool.
12042 * rtl.h (constant_pool_constant_p): Prototype here.
12043 * loop.c (scan_loop): Avoid hoisting constants from the constant
12044 pool on STACK_REGS targets.
12045 (load_mems): Likewise.
12046 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12047 loads into x87 registers expensive in terms of register pressure.
12049 2006-02-19 Roger Sayle <roger@eyesopen.com>
12051 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12052 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12054 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12056 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12057 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12059 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12061 * doc/invoke.texi: Document -fipa-pta.
12062 * common.opt: Add ipa-pta option.
12063 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12064 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12065 (do_ds_constraint): Ditto.
12066 (get_constraint_for): Only add to referenced_vars if
12067 referenced_vars exists.
12068 (insert_into_field_list): Rewrite to do this unsorted.
12069 (insert_into_field_list_sorted): Rename old insert_into_field_list
12071 (create_function_info_for): Use insert_into_field_list_sorted.
12072 (create_variable_info_for): Rewrite so it uses unsorted version,
12073 since the field list is sorted.
12074 (intra_create_variable_infos): Only add to referenced_vars if
12075 referenced_vars exists.
12076 (ipa_pta_execute): Init heapvars, and delete when done.
12077 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12079 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12081 * doc/install.texi: Add missing `@samp'.
12083 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12085 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12088 2006-02-18 Mark Wielaard <mark@klomp.org>
12090 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12091 who added new 4.1 features, bug fixes and integration support.
12093 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12096 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12097 MEM for ABI_V4 pic.
12099 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12101 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12102 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12103 (copy_insn_1): Likewise. Don't copy each field individually.
12105 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12107 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12108 * rtl.c (rtx_size): Rename variable to...
12109 (rtx_code_size): ...this.
12110 (rtx_size): New function.
12111 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12112 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12114 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12115 * rtl.h (rtx_code_size): New variable.
12116 (rtx_size): Change from a variable to a function.
12117 (RTX_SIZE): Rename to...
12118 (RTX_CODE_SIZE): ...this.
12121 PR tree-optimization/17106
12122 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12123 (Anchored Addresses): New section.
12124 * doc/invoke.texi (-fsection-anchors): Document.
12125 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12126 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12127 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12128 * hooks.c (hook_bool_mode_rtx_false): New function.
12129 * hooks.h (hook_bool_mode_rtx_false): Declare.
12130 * gengtype.c (create_optional_field): New function.
12131 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12132 SYMBOL_REF_IN_BLOCK_P is true.
12133 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12134 (min_anchor_offset, max_anchor_offset): Likewise.
12135 (use_anchors_for_symbol_p): New hook.
12136 * toplev.c (compile_file): Call output_object_blocks.
12137 (target_supports_section_anchors_p): New function.
12138 (process_options): Check that -fsection-anchors is only used on
12139 targets that support it and when -funit-at-a-time is in effect.
12140 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12141 if the decl doesn't have one.
12142 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12143 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12144 of force_const_mem through use_anchored_address.
12145 (expand_expr_constant): New function.
12146 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12147 calling expand_expr for INDIRECT_REF.
12148 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12149 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12150 * expr.h (use_anchored_address): Declare.
12151 * loop-unroll.c: Don't declare rtx vectors here.
12152 * explow.c: Include output.h.
12153 (validize_mem): Call use_anchored_address.
12154 (use_anchored_address): New function.
12155 * common.opt (-fsection-anchors): New switch.
12156 * varasm.c (object_block_htab, anchor_labelno): New variables.
12157 (hash_section, object_block_entry_eq, object_block_entry_hash)
12158 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12159 (use_blocks_for_decl_p, change_symbol_section): New functions.
12160 (get_variable_section): New function, split out from assemble_variable.
12161 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12162 use_blocks_for_decl_p say so. Use change_symbol_section if the
12163 symbol has already been created.
12164 (assemble_variable_contents): New function, split out from...
12165 (assemble_variable): ...here. Don't output any code for
12166 block symbols; just pass them to place_block_symbol.
12167 Use get_variable_section and assemble_variable_contents.
12168 (get_constant_alignment, get_constant_section, get_constant_size): New
12169 functions, split from output_constant_def_contents.
12170 (build_constant_desc): Create a block symbol if use_object_blocks_p
12171 says so. Or into SYMBOL_REF_FLAGS.
12172 (assemble_constant_contents): New function, split from...
12173 (output_constant_def_contents): ...here. Don't output any code
12174 for block symbols; just pass them to place_section_symbol.
12175 Use get_constant_section and get_constant_alignment.
12176 (force_const_mem): Create a block symbol if use_object_blocks_p and
12177 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12178 (output_constant_pool_1): Add an explicit alignment argument.
12179 Don't switch sections here.
12180 (output_constant_pool): Adjust call to output_constant_pool_1.
12181 Switch sections here instead. Don't output anything for block symbols;
12182 just pass them to place_block_symbol.
12183 (init_varasm_once): Initialize object_block_htab.
12184 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12185 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12186 (place_block_symbol, get_section_anchor, output_object_block)
12187 (output_object_block_htab, output_object_blocks): New functions.
12188 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12189 (TARGET_ASM_OUT): Include it.
12190 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12191 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12192 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12193 (TARGET_INITIALIZER): Include them.
12194 * rtl.c (rtl_check_failed_block_symbol): New function.
12195 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12196 (block_symbol, object_block): New structures.
12197 (rtx_def): Add a block_symbol field to the union.
12198 (BLOCK_SYMBOL_CHECK): New macro.
12199 (rtl_check_failed_block_symbol): Declare.
12200 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12201 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12202 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12203 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12204 * output.h (output_section_symbols): Declare.
12205 (object_block): Name structure.
12206 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12207 (default_use_anchors_for_symbol_p): Declare.
12208 * Makefile.in (RTL_BASE_H): Add vec.h.
12209 (explow.o): Depend on output.h.
12210 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12211 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12212 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12213 (rs6000_use_blocks_for_constant_p): New function.
12215 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12217 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12219 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12222 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12225 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12227 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12231 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12233 PR middle-end/26334
12234 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12235 instead of DECL_REGISTER.
12237 2006-02-18 Olivier Hainque <hainque@adacore.com>
12240 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12242 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12245 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12246 * opth-gen.awk: Handle Var and InverseMask together.
12247 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12248 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12249 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12250 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12252 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12253 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12254 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12255 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12256 LINUX_DYNAMIC_LINKER): Define.
12257 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12258 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12260 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12261 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12262 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12263 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12264 (TARGET_C99_FUNCTIONS): Don't define.
12265 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12266 GLIBC_DYNAMIC_LINKER.
12267 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12268 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12269 GLIBC_DYNAMIC_LINKER64): Define.
12270 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12271 LINUX_DYNAMIC_LINKER64.
12272 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12273 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12274 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12275 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12276 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12277 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12278 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12279 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12280 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12281 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12282 and LINUX_DYNAMIC_LINKER32.
12283 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12284 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12285 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12286 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12287 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12289 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12290 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12291 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12292 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12293 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12294 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12295 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12296 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12297 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12298 LINUX_DYNAMIC_LINKER): Define.
12299 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12300 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12301 GLIBC_DYNAMIC_LINKER64): Define.
12302 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12303 LINUX_DYNAMIC_LINKER64.
12304 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12305 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12306 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12307 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12308 LINUX_DYNAMIC_LINKER): Define.
12309 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12310 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12311 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12312 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12313 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12314 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12315 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12316 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12317 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12318 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12319 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12320 * doc/invoke.texi (-muclibc): Remove caveat about supported
12323 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12325 * doc/cpp.texi (__TIMESTAMP__): Document.
12327 2006-02-17 Roger Sayle <roger@eyesopen.com>
12329 PR middle-end/25600
12330 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12331 C is one less than the width of X (and related transformations).
12332 * simplify-rtx.c (simplify_unary_operation_1): Transform
12333 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12334 depending on STORE_FLAG_VALUE, were C is one less then the
12337 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12339 Fix PR tree-optimization/26341
12340 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12341 about NAME_MEMORY_TAG's.
12343 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12346 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12347 with hardware float support, and software float support. Add fcpy
12348 alternative to hardware patterns. Add alternatives to copy between
12349 general and floating-point registers to the 32-bit pattern.
12350 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12351 secondary reload to load a QI or HI mode constant into a floating
12353 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12354 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12356 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12359 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12361 (load_macho_picbase_di): Likewise.
12363 2006-02-16 Jeff Law <law@redhat.com>
12365 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12366 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12367 (ssa_name_nonzero_p): Likewise.
12368 (get_value_range): Return NULL if VRP is not running.
12369 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12370 VRP routines do not discover a range.
12371 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12372 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12373 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12374 (tree_expr_nonnegative_p): Similarly.
12375 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12376 (restore_nonzero_vars_to_original_value): Remove.
12377 (unsafe_associative_fp_binop): Remove.
12378 (tree_ssa_dominator_optimize): Remove initialization and
12379 finalization of nonzero_vars and nonzero_vars_stack.
12380 (dom_opt_initialize_block): No longer push marker on
12381 nonzero_vars_stack.
12382 (dom_opt_finalize_block): No longer call
12383 restore_nonzero_vars_to_original_value.
12384 (record_equivalences_from_phis): No longer look for
12385 nonzero PHI arguments.
12386 (cprop_into_successor_phis): No longer propagate nonzero
12387 property into PHI arguments. Lose unused argument. Caller
12389 (record_equivalences_from_stmt): No longer record nonzero
12390 values for SSA_NAMEs.
12391 (lookup_avail_expr): No longer use nonzero_vars.
12393 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12394 for sizetype when sizetype is unsigned.
12396 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12398 PR rtl-optimization/25603
12399 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12400 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12401 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12402 with new meaning of SETS.
12404 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12409 * config/linux.opt: New file.
12410 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12411 LINUX_DYNAMIC_LINKER): Define.
12412 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12413 * config.gcc (*-*-linux*): Define extra_options.
12414 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12415 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12416 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12417 GLIBC_DYNAMIC_LINKER.
12418 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12419 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12420 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12421 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12422 * doc/invoke.texi (GNU/Linux Options): New section.
12424 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12426 * config/sparc/sparc.md (setjmp): Rewrite.
12427 (setjmp_32): Delete.
12428 (setjmp_64): Likewise.
12430 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12432 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12435 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12437 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12440 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12442 PR rtl-optimization/26296
12443 * Makefile.in (loop-invariant.c): Add except.h dependency.
12444 * loop-invariant.c: Include except.h.
12445 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12447 2005-02-16 Paul Brook <paul@codesourcery.com>
12449 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12452 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12454 PR rtl-optimization/25636
12455 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12456 when deciding whether an insn is an initializing insn.
12458 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12460 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12461 (tree_code_size): Ditto.
12462 * tree.h (struct tree_memory_tag): Remove parent_var.
12463 (struct tree_struct_field_tag): New.
12466 (union tree_node): Add sft member.
12467 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12469 (create_sft): Add size and offset argument, set SFT_OFFSET and
12471 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12472 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12473 * tree-flow-inline.h (get_subvar_at): Update for
12474 SFT_OFFSET/SFT_SIZE.
12475 (var_can_have_subvars): Ditto.
12476 (overlap_subvar): Ditto.
12477 * print-tree.c (print_node): Print out interesting things for
12479 * tree-flow.h (struct subvar): Remove offset and size members.
12480 * tree-ssa-operands.c (get_expr_operands): Update for
12481 get_indirect_ref_operands changes.
12482 (get_indirect_ref_operands): Call add_virtual_operand instead of
12483 add_stmt_operand. Only recurse on base var if requested.
12484 (access_can_touch_variable): New function.
12485 (add_stmt_operand): Split virtual operand handling into ...
12486 (add_virtual_operand): Here. Add offset, size, and for_clobber
12487 arguments. Prune alias sets.
12488 (add_call_clobber_ops): Call add_virtual_operand.
12490 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12492 PR middle-end/26300
12493 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12495 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12496 than TREE_CODE as index into omp_clause_num_ops array.
12498 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12500 PR rtl-optimization/26184
12501 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12503 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12504 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12505 must_precede, must_follow and tobe_scheduled.
12508 * opts.c (common_handle_option): Free new_option pointer.
12509 * df-core.c (df_analyze): Free postorder pointer.
12511 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12513 * Makefile.in: Fix the examples about the use of stamps
12515 2006-02-15 Michael Matz <matz@suse.de>
12517 PR middle-end/22275
12519 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12520 influenced by maximum_field_alignment or DECL_PACKED.
12521 (update_alignment_for_field): Ditto.
12522 (place_field): Ditto.
12523 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12526 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12528 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12529 (debug_flow_info): Pass it.
12530 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12531 * bb-reorder.c (reorder_basic_blocks): Likewise.
12532 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12533 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12534 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12535 * gcse.c (gcse_main, bypass_jumps): Likewise.
12536 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12537 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12538 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12539 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12540 * rtl.h (dump_flow_info): Adjust prototype.
12541 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12542 * var-tracking.c (variable_tracking_main): Likewise.
12543 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12544 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12547 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12549 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12552 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12554 PR tree-optimization/26209
12555 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12556 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12558 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12560 2006-02-14 Roger Sayle <roger@eyesopen.com>
12562 PR middle-end/23670
12563 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12564 (X,Y) and the corresponding symmetry related transformations.
12565 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12566 (X,Y) and its symmetry related transformations.
12568 2006-02-14 Roger Sayle <roger@eyesopen.com>
12570 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12573 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12575 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12577 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12580 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12581 support COMDAT group.
12582 * configure: Regenerate.
12584 2006-02-14 Roger Sayle <roger@eyesopen.com>
12586 PR middle-end/26279
12587 PR middle-end/26280
12588 PR middle-end/26283
12589 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12591 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12593 Fix PR tree-optimization/26260
12595 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12597 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12598 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12599 * tree-ssa-structalias.c (create_variable_info_for): Use
12600 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12602 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12604 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12606 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12607 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12608 of the ending condition.
12609 * tree-ssa-loop-manip.c: Include params.h.
12610 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12611 tree_unroll_loop): New functions.
12612 * tree-pass.h (pass_loop_prefetch): Declare.
12613 * loop.c (rest_of_handle_loop_optimize): Test for
12614 -fprefetch-loop-arrays-rtl.
12615 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12616 * timevar.def (TV_TREE_PREFETCH): New timevar.
12617 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12618 pass_loop_prefetch): New.
12619 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12620 (cleanup_tree_cfg_loop): Call scev_reset.
12621 * common.opt (fprefetch-loop-arrays-rtl): Add.
12622 * tree-ssa-loop-prefetch.c: New file.
12623 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12624 (new_temp_expr_table): Initialize expr_vars.
12625 (free_temp_expr_table): Cleanup expr_vars.
12626 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12627 expressions from being merged into one.
12628 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12629 (struct tree_niter_desc): Add control, bound and cmp fields.
12630 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12632 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12633 (tree-cfgcleanup.o): Add SCEV_H dependency.
12634 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12635 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12637 2006-02-14 Richard Guenther <rguenther@suse.de>
12639 PR tree-optimization/26258
12640 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12641 in PHI argument processing.
12643 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12645 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12646 new expression in the requested machine mode.
12648 2006-02-13 Roger Sayle <roger@eyesopen.com>
12650 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12651 directly, instead let do_compare_rtx_and_jump handle this for us.
12652 * expr.c (expand_expr_real_1): Likewise.
12653 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12654 before do_jump_by_parts_greater.
12655 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12656 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12658 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12660 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12662 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12664 PR rtl-optimization/26235
12665 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12666 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12669 2006-02-13 Jeff Law <law@redhat.com>
12671 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12674 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12676 PR middle-end/26092
12677 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12678 twice if decl is a builtin. When trying again, call get_callee_fndecl
12679 first to verify it is still a builtin.
12681 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12683 * dwarf2out.c (base_type_die): Don't add AT_name here.
12684 (subrange_type_die): Don't add AT_name here.
12685 (modified_type_die): Rearrange code flow. Do add AT_name here.
12687 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12689 PR rtl-optimization/26247
12690 PR rtl-optimization/26248
12691 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12693 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12695 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12696 * config/fixtfdi.c: Likewise.
12697 * config/fixunstfdi.c: Likewise.
12698 * config/floatditf.c: Likewise.
12700 2006-02-13 Roger Sayle <roger@eyesopen.com>
12702 PR middle-end/24427
12703 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12704 into (X,C2) if C1 is a subset of the bits of C2. Transform
12705 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12707 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12709 2006-02-13 Josh Conner <jconner@apple.com>
12712 * varasm.c (function_section): Check for section name before
12713 calling select_section on targets that define
12714 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12715 unlikely_text_section instead of hot_function_section if
12716 first_function_block_is_cold.
12718 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12720 PR middle-end/25335
12721 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12723 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12725 PR rtl-optimization/26222
12726 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12727 after tree->rtl expansion.
12728 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12729 before passing it to emit_move_insn.
12731 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12733 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12735 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12736 Clarify documentation.
12737 * c-common.h (warn_write_strings): Remove.
12738 * c-common.c (warn_write_strings): Likewise.
12739 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12742 2006-02-12 Roger Sayle <roger@eyesopen.com>
12744 PR middle-end/25724
12745 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12746 (do_jump_parts_zero_rtx): New function renamed from
12747 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12748 (do_jump_parts_equality_rtx): New function split out from
12749 do_jump_parts_equality. Old implementation renamed as above.
12750 Call do_jump_parts_zero_rtx if either operand is zero.
12751 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12752 do all of the heavy lifting.
12753 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12754 calling either do_jump_by_parts_greater_rtx or
12755 do_jump_by_parts_equality_rtx.
12756 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12757 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12758 moved to do_compare_rtx_and_jump, call it directly.
12759 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12760 mode argument. Call do_compare_rtx_and_jump.
12761 (emit_case_nodes): Update calls to do_jump_if_equal.
12763 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12765 PR rtl-optimization/26225
12766 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12768 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12770 PR rtl-optimization/26232
12771 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12773 2006-02-11 Jason Merrill <jason@redhat.com>
12776 * tree-inline.c (declare_return_variable): Just don't use the
12777 modify target if it's a gimple complex reg and the return slot
12780 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12782 * doc/contrib.texi: Update my entry.
12784 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12786 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12788 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12790 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12793 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12795 * doc/invoke.texi (-floop-optimize2): Removed.
12796 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12797 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12798 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12799 * common.opt (floop-optimize2): Removed.
12800 (fmove-loop-invariants): Enabled by default.
12802 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12804 * tree-if-conv.c (combine_blocks): Free the result of
12805 get_loop_exit_edges.
12807 2006-02-10 Jeff Law <law@redhat.com>
12809 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12811 PR tree-optimization/26213
12812 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12813 loop trying to follow SSA_NAME_VALUE chains.
12815 2006-02-10 Richard Guenther <rguenther@suse.de>
12817 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12818 deal with structures that end in implicitly variable sized arrays.
12820 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12822 PR rtl-optimization/24762
12823 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12826 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12828 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12829 (struct ivopts_data): Add regs_used field.
12830 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12831 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12832 instead of loop_data->regs_used;
12833 (free_loop_data): Do not free aux fields for loops.
12834 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12835 and tree_ssa_iv_optimize_finalize.
12837 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12839 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12841 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12844 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12845 computing the effective result type.
12847 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12849 PR inline-asm/16194
12850 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12851 (tree_overlaps_hard_reg_set): Declare.
12852 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12853 type and signature to match function type expected by walk_tree.
12854 (tree_overlaps_hard_reg_set): New function.
12855 (decl_conflicts_with_clobbers_p): Rename to:
12856 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12857 Use tree_overlaps_hard_reg_set. Changed caller.
12858 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12859 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12860 * cris.c (cris_md_asm_clobbers): Likewise.
12862 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12864 * reload1.c (emit_input_reload_insns): Delete code that tries to
12865 inherit using find_equiv_reg.
12867 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12869 * c-common.h (flag_const_strings): Don't declare.
12870 * c-common.c (flag_const_strings): Remove.
12871 * c.opt (fconst_strings): Remove.
12872 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12873 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12874 (c_common_init_options): Don't set flag_const_strings.
12875 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12877 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12879 * arm.md (tlobits_cbranch): New pattern.
12880 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12881 testing a single bit.
12883 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12886 * tree-ssa-pre.c (create_component_ref_by_pieces):
12887 Handle RETURN_DECL like VAR_DECL.
12889 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12891 PR middle-end/26134
12892 * fold-const.c (fold_indirect_ref_1): Fold
12893 "*(foo *)&complexfoo" to "__real__ complexfoo"
12894 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12896 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12898 * tree-flow-inline.h (var_can_have_subvars):
12899 Volatile variables should not have subvariables.
12901 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12904 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12905 multiplying unsigned values.
12908 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12910 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12912 2006-02-08 Jason Merrill <jason@redhat.com>
12915 * tree.def: Elaborate on difference from MODIFY_EXPR.
12916 * doc/c-tree.texi (INIT_EXPR): Likewise.
12917 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12918 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12919 (gimplify_target_expr): Likewise.
12920 (gimplify_cond_expr): Remove target handling.
12921 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12922 (gimplify_expr): Clobber it here.
12923 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12924 Do return slot optimization if we have an INIT_EXPR.
12927 * tree-inline.c (declare_return_variable): Also clear
12928 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12931 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12933 PR middle-end/22439
12934 * gimplify.c (gimplify_one_sizepos): Fix typo.
12936 2006-02-08 Jeff Law <law@redhat.com>
12938 PR tree-optimization/21417
12939 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12940 across a backedge if the control statement at the end of the
12941 block is data dependent on other statements in the same block.
12942 (record_temporary_equivalences_from_stmts): Remove over-conservative
12943 test for threading across backedges.
12945 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12946 control statement, handle all three special cases in the same
12947 manner as they all have the same desired solution. No longer
12948 special case edge flag updating when the post dominator is
12951 2006-02-08 Roger Sayle <roger@eyesopen.com>
12953 * tree.def (CHAR_TYPE): Remove.
12954 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12955 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12956 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12957 (gen_string_type_die): Delete unreachable function.
12959 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12960 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12961 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12962 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12963 * builtins.c (type_to_class): Likewise.
12964 * fold-const.c (fold_convert, build_range_check,
12965 merge_ranges): Likewise.
12966 * expr.c (count_type_elements): Likewise.
12967 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12968 * stor-layout.c (layout_type): Likewise.
12969 * ipa-type-escape.c (type_to_consider): Likewise.
12970 * gimplify.c (omp_firstprivatize_type_sizes,
12971 gimplify_type_sizes): Likewise.
12972 * explow.c (promote_mode): Likewise.
12973 * tree-sra.c (is_sra_scalar_type): Likewise.
12974 * varasm.c (output_constant): Likewise.
12975 * tree-inline.c (remap_type_1): Likewise.
12976 * convert.c (convert_to_pointer, convert_to_real,
12977 convert_to_integer, convert_to_complex): Likewise.
12979 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12981 * df-scan.c (df_def_record_1): A set destination may
12982 be a parallel regardless of mode.
12984 2006-02-08 Roger Sayle <roger@eyesopen.com>
12987 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12988 * config/mips/_tilib.c: Remove.
12989 * config/fixtfdi.c: New libgcc source file.
12990 * config/fixunstfdi.c: New source file.
12991 * config/floatditf.c: New source file.
12992 * config/floatunditf.c: New souce file.
12993 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12994 files above instead of config/mips/_tilib.c.
12995 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12997 2006-02-08 Jeff Law <law@redhat.com>
12999 PR tree-optimization/26169
13000 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13003 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13005 * df.h (DF_REG_SIZE): Return the length of the initialized
13008 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13010 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13011 __muldf3): Return a correctly signed zero.
13013 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13015 * passes.c (register_one_dump_file): Accept the current properties
13016 instead of pass number. Adjust call to dump_register. Remove
13018 (register_dump_files): Now a wrapper around...
13019 (register_dump_files_1): ... this one. Do not modify the pass
13021 (next_pass_1): Cosmetic fix.
13022 (execute_todo): Keep second parameter only. Use curr_properties
13023 instead of fetching it from the pass structure. Check and set
13025 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13026 instead of fetching it from the pass structure. Fix calls to
13027 execute_todo. Update curr_properties and initialize .vcg RTL dump
13028 after running the pass. Reset last_verified.
13029 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13031 (FIRST_AUTO_NUMBERED_DUMP): New.
13032 (dump_register): Remove "num" parameter, assign it within the
13034 (get_dump_file_name): Modify template for dumps.
13035 * tree-dump.h (dump_register): Adjust prototype.
13036 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13037 (PROP_trees): Add PROP_gimple_lomp.
13038 (TODO_set_props): New.
13039 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13040 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13041 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13043 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13045 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13046 (sparc64-*-linux*): Likewise.
13047 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13048 * config/sparc/t-linux: New file.
13049 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13050 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13051 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13052 -m32 -mlong-double-128.
13054 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13055 * config/alpha/t-linux: New file.
13056 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13058 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13059 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13060 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13061 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13062 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13063 (CPP_ARCH32_SPEC): Remove.
13065 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13067 PR tree-optimization/26145
13068 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13071 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13074 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13075 >= 240000 when generating code for SOM runtime.
13076 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13077 to $$dyncall when generating code for SOM runtime..
13079 2006-02-07 Dirk Mueller <dmueller@suse.com>
13082 * doc/invoke.texi (-Wsequence-point): Update documentation
13083 that -Wsequence-point is implemented for C++ as well.
13085 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13087 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13088 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13089 (LIB_SPEC): Likewise.
13090 * doc/invoke.texi (SPARC options): Document -pthread.
13092 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13094 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13097 2006-02-07 Roger Sayle <roger@eyesopen.com>
13099 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13100 Correct comment describing BOOLEAN_TYPE.
13102 2006-02-07 Dirk Mueller <dmueller@suse.com>
13104 * c.opt: C++ frontend supports -Wdiv-by-zero.
13105 * c-opts.c (c_common_handle_option): Remove dead case.
13107 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13109 * configure.ac (TLS assembler check): Do not enable TLS by
13110 default on SPARC/Solaris before version 10.
13111 * configure: Regenerate.
13113 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13115 * doc/invoke.texi (xl-compat): Document conversion and support
13118 2006-02-07 Jeff Law <law@redhat.com>
13120 * tree-vrp.c (find_conditional_asserts): Update comments.
13121 (simplify_stmt_for_jump_threading): New.
13122 (identify_jump_threads, finalize_jump_threads): New.
13123 (vrp_finalize): Call identify_jump_threads.
13124 (execute_vrp): Call finalize_jump_threads.
13125 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13126 (vrp_element, vrp_data, vrp_element_p): Remove.
13127 (vrp_hash_elt, vrp_variables_stack): Remove.
13128 (vrp_hash, vrp_eq, record_range): Remove.
13129 (simplify_cond_and_lookup_avail_expr): Remove.
13130 (extract_range_from_cond): Remove.
13131 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13132 (simplify_stmt_for_jump_threading): New.
13133 (dom_thread_across_edge): New wrapper.
13134 (tree_ssa_dominator_optimize): No longer initialize or
13135 finalize any of the VRP datastructures. Remove iteration
13136 step and simplify as a result of removal of iteration step.
13137 (pass_dominator): Perform a cfg cleanup after DOM.
13138 (dom_opt_finalize_block): Use the new common routines
13139 for threading jumps. Simplify stack management slightly.
13140 No longer need to unwind VRP state.
13141 (record_equivalences_from_incoming_edge): No longer record
13143 (eliminate_redundant_computations): No longer call
13144 simplify_cond_and_lookup_avail_expr.
13145 * tree-flow.h (potentially_threadable_block): Prototype.
13146 (thread_across_edge): Likewise.
13147 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13148 (tree-ssa-threadedge.o): Add dependencies.
13149 * tree-ssa-threadedge.c: New file.
13150 * passes.c (init_optimization_passes): Merge PHIs before
13151 calling VRP. Run VRP again late in the SSA optimization pipeline.
13153 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13155 * df-core.c (df_set_blocks): Do not dereference function pointers.
13156 (df_finish1): Likewise.
13157 (df_hybrid_search_forward): Likewise.
13158 (df_hybrid_search_backward): Likewise.
13159 (df_iterative_dataflow): Likewise.
13160 (df_analyze_problem): Likewise.
13161 (df_compact_blocks): Likewise.
13162 (df_dump): Likewise.
13163 * df-scan.c (df_rescan_blocks): Likewise.
13164 (df_record_entry_block_defs): Likewise.
13166 * genconditions.c (write_conditions): Guard the definition of
13167 'insn_conditions' with the check on GCC version.
13168 (write_writer): Guard the traversal 'insn_conditions' with
13169 the check on GCC version.
13171 2006-02-07 Richard Guenther <rguenther@suse.de>
13175 2006-01-30 Richard Guenther <rguenther@suse.de>
13177 * gimplify.c (gimplify_target_expr): Handle easy cases
13178 without creating a temporary.
13180 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13182 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13183 use of float in probability computations. Use edge probabilities
13184 in place of statically computed probabilities.
13185 (min_spec_prob): New static variable.
13186 (schedule_insns): Initialize it.
13187 (GET_SRC_PROB): Removed.
13188 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13190 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13193 * config/ia64/unwind-ia64.c: Revert last change.
13194 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13195 (INCOMING_FRAME_SP_OFFSET): Define.
13197 2006-02-06 Roger Sayle <roger@eyesopen.com>
13199 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13201 2006-02-07 Ben Elliston <bje@au.ibm.com>
13203 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13204 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13205 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13206 (ix86_return_in_memory): Handle TDmode.
13207 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13208 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13210 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13212 * reorg.c (dbr_schedule): Use dump_file instead of file.
13214 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13217 * config/ia64/predicates.md (extr_len_operand): New predicate.
13218 * config/ia64/ia64.md (extv): Tighten constraints.
13220 (*tbit_and_2): Ditto.
13221 (*tbit_and_3): Ditto.
13222 (*tbit_or_2): Ditto.
13223 (*tbit_or_3): Ditto.
13224 (*bit_zero): Ditto.
13227 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13230 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13232 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13234 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13235 loop_optimizer_init and loop_optimizer_finalize
13236 * tree-ssa-sink.c (execute_sink_code): Ditto.
13237 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13238 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13239 tree_ssa_loop_done): Ditto.
13240 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13241 * sched-ebb.c: Include output.h.
13242 (schedule_ebbs): Do not use dump argument.
13243 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13244 * loop.c (loop_dump_stream): Removed.
13245 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13247 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13248 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13249 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13250 loop_iterations, strength_reduce, record_biv, record_giv,
13251 final_giv_value, check_final_value, check_ext_dependent_givs,
13252 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13253 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13254 dump_file instead of loop_dump_stream.
13255 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13256 argument dump_file.
13257 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13259 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13260 * haifa-sched.c: Include output.h
13261 (schedule_insns, sched_init): Do not use dump argument.
13262 * mode-switching.c (optimize_mode_switching): Ditto.
13263 * modulo-sched.c (stats_file): Removed.
13264 (print_node_sched_params): Do not call argument dump_file.
13265 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13266 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13268 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13270 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13271 rtl_loop_init, rtl_loop_done): Ditto.
13272 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13273 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13275 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13276 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13277 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13278 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13279 * emit-rtl.c (renumber_insns): Ditto.
13280 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13281 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13282 * regclass.c (regclass): Ditto.
13283 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13284 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13285 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13286 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13288 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13289 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13291 * gcse.c (gcse_file, debug_stderr): Removed.
13292 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13293 rest_of_handle_gcse): Do not use dump argument.
13294 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13295 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13296 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13297 compute_code_hoist_vbeinout, compute_code_hoist_data,
13298 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13299 compute_store_table, build_store_vectors, insert_insn_start_bb,
13300 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13301 store_motion): Use dump_file instead of gcse_file.
13302 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13303 * profile.c (profile_dump_file): Removed.
13304 (branch_prob): Use dump_file instead of profile_dump_file.
13305 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13307 * tree-ssa-copy.c (dump_copy_of): Ditto.
13308 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13309 dump file to life_analysis.
13310 * bt-load.c (branch_target_load_optimize): Ditto.
13311 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13313 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13314 regclass, dbr_schedule): Declaration changed.
13315 * sched-int.h (sched_init): Declaration changed.
13316 * tree-profile.c (tree_profile_dump_file): Removed.
13317 (tree_profile_hooks): Removed profile_dump_file hook.
13318 * rtl-profile (rtl_profile_dump_file): Removed.
13319 (rtl_profile_hooks): emoved profile_dump_file hook.
13320 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13322 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13323 * tree-cfg.c (build_tree_cfg): Ditto.
13324 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13325 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13326 Declaration changed.
13327 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13328 life_analysis and schedule_insns.
13329 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13331 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13333 * config/mips/mips.c (mips_reorg): Ditto.
13334 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13337 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13339 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13340 (s390_mangle_fundamental_type): New.
13341 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13344 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13345 (alpha_mangle_fundamental_type): New.
13346 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13349 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13351 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13353 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13354 (sparc_mangle_fundamental_type): New.
13356 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13358 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13359 (s390x-*-linux*): Likewise.
13360 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13361 * config/s390/t-linux: New file.
13363 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13365 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13366 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13368 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13370 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13371 (ANTIC_SAFE_LOADS): New macro.
13372 (find_or_generate_expression): Add prototype.
13373 (set_contains_value): Allow null set for sake of not always having
13374 to allocate ANTIC_SAFE_LOADS.
13375 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13376 Allow COMPONENT_REF too.
13377 (valid_in_set): Allow COMPONENT_REF.
13378 Check ANTIC_SAFE_LOADS too.
13379 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13380 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13382 (can_PRE_operation): Add COMPONENT_REF.
13383 (create_component_ref_by_pieces): New function.
13384 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13385 (insert_aux): Move AGGREGATE_TYPE_P check here.
13386 (compute_avail): Set bb local stmt uids.
13387 (pass_pre): Use TODO_update_ssa_only_virtuals.
13389 2006-02-06 Ben Elliston <bje@au.ibm.com>
13391 * configure.ac: Unconditionally disable decimal float by default.
13392 * configure: Regenerate.
13394 2006-02-06 Ben Elliston <bje@au.ibm.com>
13396 * read-rtl.c (read_name): Terminate reading on EOF.
13398 2006-02-06 Ben Elliston <bje@au.ibm.com>
13400 * dfp.c (decimal_real_arithmetic): Change second argument type
13401 from int to enum tree_code. Do not always return true, but now
13402 return result of any call to decimal_do helper functions.
13403 * dfp.h (decimal_real_arithmetic): Update prototype.
13405 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13407 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13409 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13412 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13415 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13417 * tree-vrp.c (cfg_loops): Removed.
13418 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13419 Use current_loops instead of cfg_loops. Pass flags to
13420 loop_optimizer_init.
13421 * cfgloopmanip.c (fix_loop_structure): Update only available
13423 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13424 loop_optimizer_init.
13425 * modulo-sched.c (build_loops_structure): Removed.
13426 (sms_schedule): Use loop_optimizer_init.
13427 * loop-init.c (loop_optimizer_init): Use flags to determine
13428 which properties of loops to prepare.
13429 (rtl_loop_init): Pass flags to loop_optimizer_init.
13430 * tree-ssa-sink.c (execute_sink_code): Ditto.
13431 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13432 * tree-ssa-pre.c (init_pre): Ditto.
13433 * cfgloop.h (LOOPS_NORMAL): New.
13434 (loop_optimizer_init): Declaration changed.
13436 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13438 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13439 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13441 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13443 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13445 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13446 * pa/t-pa64: Delete quadlib.c rule.
13447 * pa/x-ada: Revert last change.
13448 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13450 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13452 PR rtl-optimization/26087
13453 * rtlanal.c (canonicalize_condition): Do not cross basic block
13456 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13459 * config/ia64/ia64.c: Include debug.h.
13460 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13461 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13462 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13463 (process_epilogue, process_set, process_for_unwind_directive):
13464 Output unwind info only if requested. Add CFA info if requested.
13465 Add new arguments as needed. Adjust callers.
13466 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13468 (DWARF2_FRAME_INFO): Define to zero.
13469 * config/ia64/unwind-ia64.c: Remove code that compensated for
13470 the CFA offset error fixed above.
13471 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13472 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13473 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13474 -funwind-tables and -fexceptions to enable frame info.
13475 (dwarf2out_frame_init): Define initial CFA even if
13476 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13477 DWARF2_UNWIND_INFO is nonzero, not just defined.
13478 (dwarf2out_frame_finish): Output non-EH call frame info only
13479 if DWARF2_FRAME_INFO is nonzero.
13480 (convert_cfa_to_loc_list,
13481 compute_frame_pointer_to_cfa_displacement): Define even if
13482 unwind info is not supported.
13483 (gen_subprogram_die): Use the above unconditionally. Remove
13484 legacy alternate code.
13485 * toplev.c (compile_file): Compile in call to
13486 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13487 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13489 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13490 Jakub Jelinek <jakub@redhat.com>
13492 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13493 IBM extended float format long double as "g" on powerpc*-linux.
13495 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13498 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13499 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13501 2006-02-03 Jason Merrill <jason@redhat.com>
13504 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13506 PR middle-end/25977
13507 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13508 on the return slot if it's an NRV.
13510 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13512 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13513 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13514 rewrite_use): Do not handle USE_OUTER.
13515 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13516 add_iv_outer_candidates, may_replace_final_value,
13517 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13518 (find_interesting_uses_op): Functionality of
13519 find_interesting_uses_outer_or_nonlin moved here.
13520 (find_interesting_uses_outside): Use find_interesting_uses_op.
13522 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13525 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13527 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13528 Ulrich Weigand <uweigand@de.ibm.com>
13531 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13532 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13533 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13534 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13536 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13537 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13538 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13539 Define secondary reloads for TFmode moves.
13540 (constant_modes): Add TFmode.
13541 (NR_C_MODES): Set to 8.
13542 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13544 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13545 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13546 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13547 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13548 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13549 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13550 (FPR mode macro): Add TFmode.
13551 (DSF mode macro): New.
13552 (<de>, <dee> mode attributes): Removed.
13553 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13554 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13555 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13556 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13557 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13558 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13559 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13560 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13561 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13562 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13563 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13564 "*negabs<mode>2", "sqrt<mode>2"):
13565 Changed <de> to <xde>. R constraint replaced by <Rf>.
13566 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13568 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13569 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13570 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13572 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13573 "extenddftf2", "extendsftf2"): New expanders.
13574 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13575 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13576 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13577 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13579 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13580 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13581 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13582 __floatditf): Add a GCC_4.1.0 symbol version tag.
13583 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13586 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13589 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13590 Use targetm.binds_local_p instead of TREE_PUBLIC.
13592 2006-02-02 Roger Sayle <roger@eyesopen.com>
13594 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13595 on INTEGER_TYPEs to indicate that it denotes a character type.
13596 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13597 signed_char_type_node, unsigned_char_type_node and char_type_node.
13598 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13599 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13600 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13602 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13603 Daniel Berlin <dberlin@dberlin.org>
13605 * tree-tailcall.c (arg_needs_copy_p): New function.
13606 (eliminate_tail_call): Use arg_needs_copy_p.
13607 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13608 (add_virtual_phis): New function.
13610 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13612 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13613 #ignore instead of #scratch for %g7 .register directive.
13615 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13617 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13620 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13622 * flow.c (calculate_global_regs_live): Assert that there aren't any
13625 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13627 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13628 what its name says.
13629 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13630 bsi_after_labels iterator.
13631 * tree-if-conv.c (find_phi_replacement_condition,
13632 replace_phi_with_cond_modify_expr): Likewise.
13633 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13634 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13636 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13638 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13640 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13643 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13644 array after growing it.
13646 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13648 PR middle-end/24901
13649 * fold-const.c (fold_checksum_tree): Change type of buf.
13651 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13653 * reload.c (push_secondary_reload): Initialize t_icode.
13655 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13657 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13658 -msoft-float -mlong-double-128 only issue a warning, but don't
13659 swich to DFmode long double.
13661 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13663 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13664 has a constant equivalent, iterate over equivalents for arg0,
13665 calling simplify_relational_operation and if there's a result
13666 cheaper than X, apply fold_rtx and return the result.
13668 2006-02-01 Jan Hubicka <jh@suse.cz>
13670 * opts.c (no_unit_at_a_time_default): New global variable.
13671 (decode_options): Use it.
13672 * opts.h (no_unit_at_a_time_default): Declare.
13674 2006-02-01 Paul Brook <paul@codesourcery.com>
13676 * function.c (assign_parm_setup_reg): Use function argument promotion
13678 * expr.c (expand_expr_real_1): Use function argument promotion rules
13681 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13683 * gcc.c (process_command): Change j to 'unsigned int'.
13685 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13687 PR middle-end/26001
13688 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13689 Use the corrected index for the character
13690 out of the string constant.
13692 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13694 * mode-switching.c (optimize_mode_switching): Fix size
13695 allocated for bb_info[n_entities].
13697 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13699 * gcc.c (main): Correct type that is allocated for
13700 explicit_link_files.
13702 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13704 * config/s390/s390.c (init_alignment_context): Set
13705 ALIAS_SET_MEMORY_BARRIER on the MEM.
13706 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13708 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13710 PR middle-end/25933
13711 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13713 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13716 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13718 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13719 * regrename.c: Ditto.
13720 * tree-ssa-loop-im.c: Ditto.
13721 * tree-dump.c: Ditto.
13722 * tree-complex.c: Ditto.
13723 * genrecog.c: Ditto.
13724 * tree-ssa-threadupdate.c: Ditto.
13726 * java/class.c: Ditto.
13727 * java/jcf-parse.c: Ditto.
13728 * java/resource.c: Ditto.
13729 * java/except.c: Ditto.
13730 * java/jvspec.c: Ditto.
13731 * java/jcf-write.c: Ditto.
13732 * java/jcf-path.c: Ditto.
13733 * java/gjavah.c: Ditto.
13734 * java/zextract.c: Ditto.
13735 * java/jcf-io.c: Ditto.
13736 * java/jcf.h: Ditto.
13737 * java/buffer.c: Ditto.
13738 * java/lang.c: Ditto.
13739 * java/parse-scan.y: Ditto.
13740 * java/lex.c: Ditto.
13741 * java/lex.h: Ditto.
13742 * cfgloopmanip.c: Ditto.
13743 * postreload-gcse.c: Ditto.
13744 * tree-ssa-loop-manip.c: Ditto.
13745 * postreload.c: Ditto.
13746 * tree-ssa-loop-ch.c: Ditto.
13749 * cppspec.c: Ditto.
13750 * diagnostic.c: Ditto.
13752 * genoutput.c: Ditto.
13754 * cfghooks.c: Ditto.
13755 * cfgloopanal.c: Ditto.
13756 * objc/objc-act.c: Ditto.
13758 * genextract.c: Ditto.
13759 * genautomata.c: Ditto.
13760 * pretty-print.c: Ditto.
13761 * genemit.c: Ditto.
13762 * cgraphunit.c: Ditto.
13764 * df-scan.c: Ditto.
13765 * haifa-sched.c: Ditto.
13766 * dominance.c: Ditto.
13768 * tree-ssa-loop-ivopts.c: Ditto.
13769 * df-core.c: Ditto.
13770 * mode-switching.c: Ditto.
13771 * modulo-sched.c: Ditto.
13773 * ipa-pure-const.c: Ditto.
13775 * fix-header.c: Ditto.
13777 * tree-stdarg.c: Ditto.
13778 * ipa-utils.c: Ditto.
13779 * loop-init.c: Ditto.
13780 * ipa-inline.c: Ditto.
13781 * cfganal.c: Ditto.
13783 * alloc-pool.c: Ditto.
13784 * dwarf2out.c: Ditto.
13786 * genattrtab.c: Ditto.
13787 * tree-ssa-loop-ivcanon.c: Ditto.
13788 * predict.c: Ditto.
13789 * timevar.c: Ditto.
13791 * fortran/gfortranspec.c: Ditto.
13792 * regmove.c: Ditto.
13793 * local-alloc.c: Ditto.
13794 * langhooks.c: Ditto.
13795 * function.c: Ditto.
13796 * tree-vectorizer.c: Ditto.
13798 * ipa-type-escape.c: Ditto.
13800 * tree-if-conv.c: Ditto.
13801 * profile.c: Ditto.
13803 * tree-data-ref.c: Ditto.
13804 * loop-unroll.c: Ditto.
13805 * treelang/treetree.c: Ditto.
13807 * bt-load.c: Ditto.
13808 * ggc-common.c: Ditto.
13810 * coverage.c: Ditto.
13812 * tree-cfgcleanup.c: Ditto.
13813 * tree-ssa-pre.c: Ditto.
13814 * cfgcleanup.c: Ditto.
13815 * loop-invariant.c: Ditto.
13816 * loop-iv.c: Ditto.
13817 * ipa-prop.c: Ditto.
13818 * print-tree.c: Ditto.
13819 * conflict.c: Ditto.
13820 * ggc-page.c: Ditto.
13821 * sched-deps.c: Ditto.
13822 * regclass.c: Ditto.
13823 * tree-object-size.c: Ditto.
13824 * combine.c: Ditto.
13825 * bb-reorder.c: Ditto.
13826 * resource.c: Ditto.
13827 * var-tracking.c: Ditto.
13828 * cfgloop.c: Ditto.
13829 * df-problems.c: Ditto.
13830 * reg-stack.c: Ditto.
13832 * gccspec.c: Ditto.
13833 * sched-rgn.c: Ditto.
13834 * tree-ssa-structalias.c: Ditto.
13835 * tree-ssa-reassoc.c: Ditto.
13836 * config/darwin-c.c: Ditto.
13837 * config/darwin.c: Ditto.
13838 * config/arm/arm.c: Ditto.
13840 * collect2.c: Ditto.
13841 * reload1.c: Ditto.
13843 2006-01-31 Nicolas Pitre <nico@cam.org>
13845 * arm.md (smaxsi3): Make aware of smax_m1.
13848 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13850 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13852 2006-01-31 Richard Guenther <rguenther@suse.de>
13854 * doc/invoke.texi (-msselibm): Document.
13855 * target.h (expand_library_builtin): New target hook.
13856 * builtins.c (expand_builtin): Use expand_library_builtin.
13857 (default_expand_library_builtin): New function.
13858 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13859 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13860 (link_gcc_math_spec): Declare.
13861 (static_specs): Add link_gcc_math_spec.
13862 * expr.h (default_expand_library_builtin): Declare.
13863 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13864 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13865 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13866 * config/i386/i386.opt (msselibm): New target option.
13867 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13868 (ix86_init_sse_abi_builtins): New function.
13869 (ix86_expand_library_builtin): Likewise.
13870 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13871 (override_options): Handle error conditions wrt -msselibm.
13872 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13873 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13874 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13877 2006-01-31 Richard Guenther <rguenther@suse.de>
13878 Paolo Bonzini <bonzini@gnu.org>
13880 * doc/install.texi (--disable-libgcc-math): Document.
13882 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13884 * expr.h (expand_normal): new inline function.
13885 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13886 * dojump.c: use it.
13887 * dwarf2out.c: use it.
13890 * expmed.c: use it.
13891 * except.c: use it.
13892 * config/sparc/sparc.c: use it.
13893 * config/i386/i386.c: use it.
13894 * config/rs6000/rs6000.c: use it.
13895 * config/arm/arm.c: use it.
13896 * config/mips/mips.c: use it.
13897 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13899 2006-01-30 Roger Sayle <roger@eyesopen.com>
13901 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13902 argv to the appropriate type.
13904 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13906 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13909 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13912 * config/s390/s390.c (struct machine_function): New flag
13913 decomposed_literal_pool_addresses_ok_p.
13914 (s390_reorg): Set it before final stage of literal pool transforms.
13915 (s390_decompose_address): Only accept displacements of the form
13916 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13918 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13920 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13921 the comparison routine return.
13923 2006-01-30 Michael Matz <matz@suse.de>
13925 * global.c (find_reg): Only evict for global regs.
13926 Take n_refs into account and dump more info.
13928 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13931 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13932 (pragma_trap, pragma_nosave_low_regs): Likewise.
13933 (current_function_anonymous_args): Likewise.
13934 (sh_deferred_function_attributes): New variable.
13935 (sh_deferred_function_attributes_tail): Likewise.
13936 (print_operand): For '@', look up trap_exit attribute.
13937 (calc_live_regs): Look up trapa_handler attribute. For trapa
13938 handlers, save/restore fpscr, but don't do any other
13939 interrupt-specific saves.
13940 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13941 Fix check for partially saved registers to check for SHmedia.
13942 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13943 (sh_output_function_epilogue): Don't clear any of the removed
13945 (sh_insert_attributes): Don't check pragma_interrupt.
13946 Insert deferred attributes. Check that interrupt attribute is
13947 present for other attributes that require its presence.
13948 (sh_attribute_table): Add new attributes trapa_handler and
13950 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13951 Don't check for pragma_interrupt. Don't store argument.
13952 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13953 (sh_deferred_function_attributes): Declare.
13954 (sh_deferred_function_attributes_tail): Likewise.
13955 * sh.md (sp_switch_1): Add operand. Change generator caller.
13956 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13957 (*return_i): Don't use when trap_exit attribute is in effect.
13958 (*return_trapa): New insn pattern.
13959 * sh-c.c: New file.
13960 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13961 setting c_target_objs and cxx_target_objs.
13962 * t-sh: Add rule for sh-c.o.
13964 2006-01-30 Richard Guenther <rguenther@suse.de>
13967 * gimplify.c (gimplify_target_expr): Handle easy cases
13968 without creating a temporary.
13970 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13972 * vec.h (safe_grow): Remove duplicated line.
13974 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13977 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13978 (expand_omp): ... here.
13979 (expand_omp_parallel): Only remove barriers for combined
13980 parallel+workshare constructs.
13982 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13986 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13987 * tree.c (build_qualified_type): Chain the new type to the original
13988 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13989 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13990 (build_pointer_type_for_mode): Only return unqualified types.
13991 (build_reference_type_for_mode): Likewise.
13993 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13995 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13996 * Makefile.in (CXX_COMPAT_WARN): Define.
13997 * configure: Regenerate.
13999 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14002 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14005 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14007 * toplev.c: Fix thinko.
14009 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14010 Marcin Dalecki <martin@dalecki.de>
14012 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14013 (push_srcloc): Use XNEW.
14014 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14016 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14018 * df-core.c (df_set_blocks): Deleted all variable.
14020 2006-01-28 Ian Lance Taylor <ian@airs.com>
14022 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14023 cgraph_output_pending_asms.
14025 2006-01-28 Zack Weinberg <zackw@panix.com>
14027 * c.opt: Add -W(no-)overlength-strings.
14028 * doc/invoke.texi: Document it.
14029 * c-opts.c (c_common_handle_option): -pedantic implies
14030 -Woverlength-strings, if not explicitly disabled already.
14031 (c_common_post_options): -Woverlength-strings defaults to off, and
14032 is always off for C++.
14033 * c-common.c (fix_string_type): Issue warning about strings longer
14034 than is portable only if warn_overlength_strings. Rearrange code
14035 a little for clarity.
14036 * configure.in: Check for -Wno-overlength-strings as well before
14037 enabling -pedantic in stage 1.
14038 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14039 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14041 * genconditions.c (write_header, write_one_condition)
14042 (write_conditions, write_writer): Consolidate very long strings
14043 that were broken up to fit in C89 portable limit. Don't use
14044 printf when fputs will do.
14046 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14048 * combine.c (simplify_comparison <AND>): Check
14049 TRULY_NOOP_TRUNCATION before start using a subreg.
14051 * config/mips/mips.md (*branch_zero<mode>,
14052 *branch_zero<mode>_inverted, *branch_equality<mode>,
14053 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14054 Remove mode check from comparisons.
14056 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14058 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14060 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14062 * expmed.c (const_mult_add_overflow_p): Remove.
14063 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14065 * recog.c (validate_replace_rtx_subexp): Remove.
14066 * recog.h: Remove the prototype for
14067 validate_replace_rtx_subexp.
14069 * integrate.h: Remove the prototype for
14070 copy_decl_for_inlining.
14071 * rtl.h: Remove the prototype for mark_constant_function.
14072 * tree-vectorizer.h: Remove the prototype for
14073 vect_strip_conversion.
14075 * modulo-sched.c (create_partial_schedule,
14076 free_partial_schedule, reset_partial_schedule): Make them
14079 * hooks.c (hook_bool_rtx_int_false): Remove.
14080 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14082 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14084 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14085 and -mlong-double-128 are incompatible.
14086 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14087 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14088 (TARGET_LIBGCC2_CFLAGS): Define.
14089 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14090 (TARGET_LIBGCC2_CFLAGS): Same.
14091 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14093 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14096 * c-typeck.c (build_binary_op): Perform implicit casts of
14097 operands before shortening them.
14099 * cfgloopmanip.c (split_loop_bb): Remove.
14100 * cfgloop.h: Remove the prototype for split_loop_bb.
14102 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14103 * cfgloop.h: Remove the prototype for
14104 flow_loop_outside_edge_p.
14106 * emit-rtl.c (init_virtual_regs): Make it static.
14107 * function.h: Remove the prototype for init_virtual_regs.
14109 * recog.c (peephole2_optimize): Make it static.
14110 * recog.h: Remove the prototype for peephole2_optimize.
14112 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14114 * df-scan.c (df_record_entry_block_defs): Check if
14115 INCOMING_RETURN_ADDR_RTX is defined.
14117 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14118 Kenneth Zadeck <zadeck@naturalbridge.com>
14120 PR rtl-optimization/24762
14121 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14122 * targhooks.c (hook_void_bitmap): New hook prototype.
14123 * targhoohs.h (hook_void_bitmap): Ditto.
14124 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14125 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14126 * target.h (live_on_entry): New function pointer.
14127 * df-scan.c (df_all_hard_regs): Removed.
14128 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14129 (df_scan_free_internal): Added df->entry_block_defs.
14130 (df_scan_alloc): Ditto.
14131 (df_scan_dump): Ditto.
14132 (df_uses_record): Plumbed flag field properly thru calls.
14133 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14134 This part fixes PR24762.
14135 (df_bb_refs_record): Added code to make the frame and arg
14136 pointers live in EH blocks.
14137 (df_refs_record): Added call to df_record_entry_block_defs.
14138 (df_record_entry_block_defs): New function.
14139 * df-core.c: Added comments to describe new artifical defs.
14140 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14141 (entry_block_defs): New field in struct df.
14142 (df_all_hard_regs): Deleted.
14143 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14144 * df-problems.c (df_ru_bb_local_compute_process_def):
14145 Added code to handle artifical defs in the entry to a function.
14146 (df_ru_bb_local_compute): Ditto.
14147 (df_rd_bb_local_compute_process_def): Ditto.
14148 (df_rd_bb_local_compute): Ditto.
14149 (df_lr_bb_local_compute): Ditto.
14150 (df_ur_bb_local_compute): Ditto.
14151 (df_urec_bb_local_compute): Ditto.
14152 (df_chain_create_bb): Ditto.
14153 (df_ur_local_finalize): Removed entry.
14154 (df_urec_init): Ditto.
14155 (df_urec_local_finalize): Ditto.
14156 (df_ri_bb_compute): Added detection of last use of pseudos.
14157 * Makefile.in (df-scan.o): Updated dependencies.
14158 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14159 * config/mips/mips.c (mips_set_live_on_entry): Added.
14160 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14162 * dce.c (marked_insn_p): Added code to handle artifical defs.
14164 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14166 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14168 (_mm_cvtsi128_si64): Likewise.
14169 (_mm_cvtsd_si64): Likewise.
14170 (_mm_cvttsd_si64): Likewise.
14171 (_mm_cvtsi64_sd): Likewise.
14172 (_mm_cvtsi64_si128): Likewise.
14173 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14174 (_mm_cvtsi64_m64): Likewise.
14175 (_m_to_int64): Likewise.
14176 (_mm_cvtm64_si64): Likewise.
14177 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14178 (_mm_cvttss_si64): Likewise.
14179 (_mm_cvtsi64_ss): Likewise.
14180 (_mm_cvtss_f32): Likewise.
14182 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14184 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14185 for pragma redefine_extname.
14187 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14190 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14191 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14192 -mno-minimal-toc to previous content.
14193 (bispecs): Remove goal.
14194 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14195 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14196 compatibility aliases on powerpc-*-*gnu*.
14197 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14198 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14199 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14200 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14201 (ldblspecs): New goal.
14202 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14203 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14205 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14206 L_sf_to_tf or L_df_to_tf is defined.
14208 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14209 Alan Modra <amodra@bigpond.net.au>
14212 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14213 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14214 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14215 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14216 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14217 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14218 (rs6000_override_options): Initialize rs6000_ieeequad.
14219 Initialize TFmode format to ibm_extended_format if not
14221 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14223 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14224 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14225 (function_arg_advance): IBM long double passed in two FPRs, not
14227 (function_arg): IBM long double passed in FPRs.
14228 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14229 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14230 Only multireg GPR aligned.
14231 (rs6000_init_libfuncs): Enable IBM long double functions if not
14233 (rs6000_generate_compare): Use IBM long double compare if not
14235 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14236 (TARGET_IEEEQUAD): Define.
14237 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14238 not TARGET_IEEEQUAD.
14239 * config/rs6000/rs6000.md: Enable TFmode patterns if
14241 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14242 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14243 and -mlong-double-128 are incompatible.
14244 * doc/invoke.texi (-mabi): Collect options together. Add
14245 ibmlongdouble and ieeelongdouble.
14247 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14249 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14251 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14252 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14253 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14254 * rtl.h (rtunion_def): Remove rt_ptr.
14256 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14257 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14258 * config/i386/winnt.c (i386_pe_mark_dllexport)
14259 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14261 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14263 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14265 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14269 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14270 pthread_key_delete. From John David Anglin. gthrw-ify
14271 pthread_getunique_np only if it it's not a macro. Delete
14273 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14274 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14275 __gthread_objc_condition_signal, __gthread_key_delete): Add
14276 "__attribute__ ((__unused__))" to unused arguments.
14277 (__gthread_recursive_mutex_init_function): Add missing return.
14278 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14279 gthr-posix95.h: Use macro-based approach for name redirection
14280 on targets missing weakref.
14282 2006-01-26 Zack Weinberg <zackw@panix.com>
14284 * genconditions.c (write_header): In generated code, #ifdef out
14285 all includes and fake declarations, except includes of bconfig.h
14286 and system.h, unless GCC_VERSION >= 3001. Do not include
14287 gensupport.h in any case.
14288 (write_conditions): Generate a definition of struct c_test. Add
14289 a comment to the generated #endif.
14290 (write_one_condition): Escape backslashes in string too.
14291 (write_writer): Generated code must escape backslashes and quote
14292 marks (but not newlines) in the strings it writes.
14293 * Makefile.in (build/gencondmd.o): Update dependencies.
14295 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14298 * Makefile.in (insn-automata.o): Add header file dependencies.
14299 * genautomata.c: Add includes.
14301 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14304 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14306 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14308 * configure.ac: Expect target tools paths to be passed from the toplevel
14309 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14311 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14313 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14316 * c.opt (Wpointer-sign): Init to -1.
14317 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14318 OPT_pedantic, to 0 otherwise.
14319 * doc/invoke.texi: Update.
14321 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14323 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14324 constants provided by 80387 instructions in the destination mode.
14326 2006-01-26 Richard Guenther <rguenther@suse.de>
14327 Andrew Pinski <pinskia@physics.uc.edu>
14330 partial PR tree-opt/17064
14331 * tree-ssa-structalias.c (intra_create_variable_infos):
14332 Create heap variables for incoming parameters if
14333 flag_argument_noalias > 1.
14334 (find_what_p_points_to): Look through default defs of
14337 2006-01-26 Jeff Law <law@redhat.com>
14340 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14341 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14342 within the VR_RANGE, use the VR_RANGE as the result, not the
14344 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14345 bounds for the type.
14347 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14349 * tree-ssa-alias.c (maybe_create_global_var): Change
14350 subvar walking to an assertion that we don't have subvar'd variables.
14352 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14355 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14356 Use a new variable, inner. PARM_DECLs are always non-weak.
14358 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14360 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14361 --disable-checking.
14363 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14365 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14367 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14369 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14370 (smax_insn, smin_insn, smax_0, smin_0): New.
14372 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14375 * config/cris/cris.c (cris_order_for_addsi3): New function.
14376 * config/cris/cris-protos.h: Prototype it.
14377 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14378 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14379 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14380 (split for "op.S1 [rx=rx+i],ry (swapped)")
14381 (split for "op(s|u).S1 [rx=rx+i],ry")
14382 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14383 Apply cris_order_for_addsi3 when generating addsi3 insns.
14385 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14387 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14388 (TREE_BLOCK): Add call to EXPR_CHECK.
14390 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14393 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14394 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14395 (dump_omp_clauses): ... here.
14396 (dump_generic_node): Handle OMP_CLAUSE.
14397 * tree.c (omp_clause_num_ops): New.
14398 (omp_clause_code_name): New.
14399 (tree_code_size): Handle OMP_CLAUSE.
14400 (tree_size): Likewise.
14401 (make_node): Document handling of OMP_CLAUSE.
14402 (tree_node_structure): Handle OMP_CLAUSE.
14403 (omp_clause_check_failed): New.
14404 (omp_clause_range_check_failed): New.
14405 (omp_clause_operand_check_failed): New.
14406 (build_omp_clause): New.
14407 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14408 * tree.h (enum omp_clause_code): Declare.
14409 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14410 (OMP_CLAUSE_RANGE_CHECK): Define.
14411 (OMP_CLAUSE_ELT_CHECK): Define.
14412 (omp_clause_check_failed): Declare.
14413 (omp_clause_operand_check_failed): Declare.
14414 (omp_clause_range_check_failed): Declare.
14415 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14416 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14417 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14418 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14419 (OMP_CLAUSE_IF_EXPR): Likewise.
14420 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14421 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14422 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14423 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14424 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14425 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14426 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14427 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14428 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14429 (OMP_CLAUSE_CODE): Define.
14430 (OMP_CLAUSE_SET_CODE): Define.
14431 (OMP_CLAUSE_CODE): Define.
14432 (OMP_CLAUSE_OPERAND): Define.
14433 (struct tree_omp_clause): Declare.
14434 (union tree_node): Add field 'omp_clause'.
14435 * treestruct.def (TS_OMP_CLAUSE): Define.
14436 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14437 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14438 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14439 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14440 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14441 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14442 (OMP_CLAUSE): Define.
14443 * print-tree.c (print_node): Handle OMP_CLAUSE.
14444 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14445 * c-typeck.c: Likewise.
14446 * gimplify.c: Likewise.
14447 * c-omp.c: Likewise.
14448 * tree-nested.c: Likewise.
14449 * tree-inline.c: Likewise.
14450 * c-parser.c: Likewise.
14451 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14454 2006-01-25 Roger Sayle <roger@eyesopen.com>
14456 PR rtl-optimization/25703
14457 * combine.c (try_combine): Handle zero_extract and strict_low_part
14458 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14460 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14462 * global.c: Fix comment typos.
14464 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14467 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14468 Use output_addr_const instead of assemble_name.
14470 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14472 * Makefile.in (sched-vis.o): Update dependencies.
14473 * haifa-sched.c (sched_finish): Clear current_sched_info.
14474 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14475 (dump_flow_info): Call it.
14476 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14478 * basic-block.h (dump_bb_info): Declare.
14479 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14480 option, and apply options only for dump files whose TDF_RTL,
14481 TDF_TREE, or TDF_IPA bits match.
14482 * rtl.h: Declare new functions exported from sched-vis.c.
14483 * sched-vis.c: Enable also if scheduling is not used.
14484 (print_value): Print the mode of registers if not inside scheduling.
14485 (print_insn): Make it work outside the scheduler. Beautify the output
14487 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14489 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14491 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14492 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14493 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14494 depending on the value of CONSTANT_POOL_ADDRESS_P.
14495 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14497 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14498 rather than SYMBOL_REF_DECL.
14499 (rtx_constant_pool): Remove const_rtx_sym_htab.
14500 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14501 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14502 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14503 Remove handling of const_rtx_sym_htab.
14504 (find_pool_constant): Delete.
14505 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14506 rather than find_pool_constant.
14507 (get_pool_constant_for_function): Delete.
14508 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14509 find_pool_constant.
14510 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14511 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14512 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14513 (SYMBOL_REF_CONSTANT): New macro.
14514 (get_pool_constant_for_function): Delete.
14515 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14516 rather than SYMBOL_REF_DECL.
14517 (i386_pe_mark_dllimport): Likewise.
14518 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14519 rather than SYMBOL_REF_DECL.
14520 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14521 (machopic_indirect_call_target): Likewise.
14523 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14525 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14527 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14529 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14531 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14533 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14535 2006-01-24 David Daney <ddaney@avtrex.com>
14538 * configure.ac (enable_tls): New enable option.
14539 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14540 * configure: Regenerate.
14541 * doc/install.texi (--enable-tls): Document new option.
14542 (--disable-tls): Ditto.
14544 2006-01-24 Richard Henderson <rth@redehat.com>
14546 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14547 * alias.c (true_dependence): Respect it.
14548 (canon_true_dependence, write_dependence_p): Likewise.
14549 * builtins.c (get_builtin_sync_mem): Set it.
14551 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14553 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14556 2006-01-24 DJ Delorie <dj@redhat.com>
14558 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14559 for storing constants in single-bit bitfields.
14561 2006-01-25 Ben Elliston <bje@au.ibm.com>
14563 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14565 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14568 * tree-ssa-pre.c (phi_translate): Return NULL
14569 for AGGREGATE_TYPE's.
14571 2006-01-24 Zack Weinberg <zackw@panix.com>
14573 * genautomata.c (process_state_for_insn_equiv_partition):
14574 Use xcalloc for insn_arcs_array.
14575 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14576 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14578 2006-01-24 Richard Henderson <rth@redhat.com>
14580 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14581 update all callers.
14583 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14585 PR rtl-optimization/25890
14586 PR rtl-optimization/25905
14587 * combine.c (expand_compound_operation, expand_field_assignment):
14588 Fail if the bitfield's final position is out of bounds.
14590 2006-01-24 Ian Lance Taylor <ian@airs.com>
14592 PR middle-end/25930
14593 * cgraphunit.c (cgraph_output_in_order): Don't clear
14594 cgraph_asm_nodes until after asm strings have been output.
14596 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14598 * fix-header.c (read_scan_file): Add new parameter imultilib when
14599 calling register_include_chains.
14601 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14603 * omp-low.c: Update documentation.
14605 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14606 Daniel Berlin <dberlin@dberlin.org>
14610 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14611 return from the function.
14613 2006-01-22 Zack Weinberg <zackw@panix.com>
14615 * rtl.def (match_code): Add second argument.
14616 * genpreds.c (write_extract_subexp): New function.
14617 (write_match_code): Add path argument. Use write_extract_subexp.
14618 (write_predicate_expr): Pass path to write_match_code.
14619 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14620 not perform a mode test.
14621 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14622 a subexpression does not constrain the top-level code set.
14623 * read-rtl.c (read_rtx_variadic): New function.
14624 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14625 * doc/md.texi: Document new notation.
14626 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14627 (cmpsi_operand): ... here, using new notation.
14629 2006-01-22 Zack Weinberg <zackw@panix.com>
14631 * varray.c: Remove GENERATOR_FILE #ifdefs.
14633 2006-01-22 Zack Weinberg <zackw@panix.com>
14635 * genautomata.c (output_reserved_units_table): Emit nothing if
14636 description->query_units_num is zero. Remove extra blank line.
14637 (output_cpu_unit_reservation_p): Short circuit
14638 if description->query_units_num is zero.
14640 2006-01-22 Zack Weinberg <zackw@panix.com>
14642 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14643 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14644 nor any of the random handful of variables that used to be necessary
14645 when this program was linked with rtlanal.o. Prune set of forward
14646 function declarations.
14647 (struct attr_desc): Remove static_p field.
14648 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14649 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14650 (attr_string): Do not read the character one past the length of
14652 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14653 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14654 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14655 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14656 (make_automaton_attrs): New.
14657 (main): Do not call into genautomata. Call local gen_bypass
14658 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14659 Remove special case for insn_alts.
14660 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14661 varray.h (leftover from previous change). Prune set of forward
14662 function declarations. Remove state_alts fields from all
14663 structures. Remove state_alts_table from struct automaton.
14664 Make everything except main static. Do not maintain num_dfa_decls.
14665 Do not maintain state_alts fields of various structures.
14666 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14667 (add_arc): Remove state_alts argument. All callers updated.
14668 (output_reserved_units_table): Emit #ifdef here...
14669 (output_tables): ...not here. Don't generate state_alts tables.
14670 (expand_automata): Don't generate attributes.
14671 (write_automata): Don't generate state_alts functions.
14672 (main): New function.
14673 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14674 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14675 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14676 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14677 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14678 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14679 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14680 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14682 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14683 * genattrtab.h: Delete file.
14684 * Makefile.in (OBJS-common): Add insn-automata.o.
14685 (insn-automata.o): New rule.
14686 (simple_generated_c): Add insn-automata.c.
14687 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14688 (genprogmd): Add automata.
14689 (build/genattrtab): Needs no extra objects nor libraries.
14690 (build/genautomata): Needs build/vec.o and -lm.
14692 2006-01-22 Zack Weinberg <zackw@panix.com>
14694 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14695 (output_dfa_max_issue_rate, locked_states_num): Delete.
14696 (struct automaton): Add locked_states field.
14697 (output_dead_lock_vect): Save number of locked states in
14698 automaton->locked_states. If it is zero, don't print anything.
14699 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14700 (output_internal_dead_lock_func): Only test the dead_lock_vect
14701 for automata that have locked states.
14702 (output_statistics): Always print the number of locked states for
14703 each automaton. Calculate total number of locked states here.
14704 (write_automata): Don't call output_dfa_max_issue_rate.
14705 * genattrtab.c: Define length_unit_log as a const variable.
14706 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14707 max_insn_queue_index const.
14708 * final.c (length_unit_log): Declare const.
14709 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14711 2006-01-22 Zack Weinberg <zackw@panix.com>
14713 * genautomata.c: Include vec.h, not varray.h.
14714 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14715 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14716 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14717 VEC_* macros operating on appropriately typed vectors, or to
14718 malloced arrays when the size is known in advance. Const-ify
14719 many char* variables and function arguments. No functional changes.
14720 * Makefile.in (build/varray.o): Delete rule.
14721 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14722 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14724 2006-01-22 Zack Weinberg <zackw@panix.com>
14726 * gensupport.c: Define get_insn_name and record_insn_name here.
14727 (read_md_rtx): Call record_insn_name as appropriate.
14728 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14729 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14730 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14732 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14733 (BUILD_VARRAY): Delete.
14734 (genprognormal): Rename genprogmd. Fold in all programs from
14735 genprognoprint; also attrtab.
14736 (build/genattrtab): Just mention genautomata.o and varray.o.
14737 Reorganize a bit, add comments to make the categories clearer.
14739 2006-01-22 Zack Weinberg <zackw@panix.com>
14741 * genconditions.c (condition_table, add_condition): Delete.
14742 (write_conditions): Don't emit n_insn_conditions nor
14743 insn_elision_unavailable. Issue the gcc version #ifdef here,
14744 inside the table, with no #else clause ...
14745 (write_header): ...not here.
14746 (write_writer): New function.
14747 (main): Don't initialize condition_table. Use add_c_test.
14749 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14750 files on the command line.
14751 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14752 Return -1 if there is no entry in the table, don't abort.
14753 (add_c_test, traverse_c_tests): New functions.
14754 * gensupport.h (insn_elision_unavailable, insn_conditions)
14755 (n_insn_conditions): Delete declarations.
14756 (add_c_test, traverse_c_tests): Declare.
14757 * read-rtl.c: Include gensupport.h.
14758 (read_conditions): New function.
14759 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14760 (read_rtx_1): If we get EOF when we were looking for an initial
14761 open paren, return 0. Call read_conditions when appropriate.
14762 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14763 dummy-conditions.o. Eliminate references to insn-conditions.o,
14764 or change them to build/gencondmd.o, as appropriate. Remove
14765 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14766 from $(simple_generated_c). For all files remaining in those
14767 two lists, add insn-conditions.md to the generator command line.
14768 Give insn-constants.h/s-constants their own rules. Add rules
14769 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14770 (build/read-rtl.o): Depend on gensupport.h.
14771 (genprognormal): Include preds.
14772 (genprogearly): Rename genprognoprint; only difference is now that
14773 they don't link with $(BUILD_PRINT).
14774 * dummy-conditions.c: Delete.
14776 2006-01-22 Zack Weinberg <zackw@panix.com>
14778 * genextract.c: Don't include insn-config.h. Do include vec.h.
14779 Declare vectors of int, char, and locstr.
14780 (locstr): New typedef.
14781 (struct extraction): Make all array fields into bare pointers.
14782 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14783 (insn_code_number): Delete.
14784 (accum_extract): New struct.
14785 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14786 (gen_insn): Take insn_code_number as an argument. Use an
14787 accum_extract structure instead of loading data directly into
14788 a struct extraction, and having to know how big it might get.
14789 (walk_rtx): Operate entirely on an accum_extract structure.
14790 (print_path): Avoid unnecessary use of printf.
14791 (print_header): New function, split out of main. Distinguish
14792 more carefully between an unrecognizable insn and an insn that
14793 has the code number of a define_expand.
14794 (main): Pass insn_code_number to gen_insn. Call print_header
14795 only after parsing. Avoid unnecessary use of printf.
14796 * Makefile.in (build/vec.o): New rule.
14797 (build/genextract): Depend on build/vec.o.
14798 (build/genextract.o): Don't depend on insn-config.h.
14800 2006-01-22 Zack Weinberg <zackw@panix.com>
14802 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14803 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14804 practical. Eliminate per-generator-program link rules.
14806 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14808 PR middle-end/24437
14809 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14810 with a call expr to ...
14811 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14813 2006-01-23 Richard Guenther <rguenther@suse.de>
14815 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14816 before make_edge with conditional EDGE_TRUE_VALUE.
14818 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14819 Jan Hubicka <jh@suse.cz>
14820 Richard Guenther <rguenther@suse.de>
14822 PR rtl-optimization/25654
14823 * cfgexpand.c (aggregate_contains_union_type): New function.
14824 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14825 for structure variables that contain a union type.
14827 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14829 * gengtype.c (new_structure): Return the structure.
14830 (create_option): Add an extra "next" argument.
14831 (create_field): New function.
14832 (adjust_field_rtx_def): Use create_option and create_field.
14833 Remove a now-unnecessary call to find_structure.
14834 (adjust_field_tree_def): Likewise.
14835 (note_yacc_type): Remove an unnecessary call to find_structure.
14836 * gengtype.h (new_structure): Return the structure.
14837 (create_option): Add an extra argument.
14838 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14839 (option): Adjust calls to create_option.
14841 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14843 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14845 2006-01-22 Paul Brook <paul@codesourcery.com>
14846 Peter Barada <peter@the-baradas.com>
14848 * config/m68k/m68k.md: Add Coldfire FPU support.
14849 Define FP mode macro and associated attributes.
14850 Use it for float mode patterns.
14851 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14852 (LIBCALL_VALUE): Use m68k_libcall_value.
14853 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14854 (m68k_function_value): Ditto.
14855 (emit_move_sequence): Ditto.
14856 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14857 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14858 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14859 (MULTILIB_EXCEPTIONS): Ditto.
14860 * config/m68k/m68k.opt: Add mcfv4e.
14861 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14862 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14863 (m68k_output_function_prologue): Save ColdFire FPU registers.
14864 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14865 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14866 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14867 ColdFire FPU registers.
14868 (m68k_libcall_value, m68k_function_value): New functions.
14869 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14870 (LIBCALL_VALUE): Use m68k_libcall_value.
14871 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14872 (MASK_COLDFIRE): Add MASK_CFV4E.
14873 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14874 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14875 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14876 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14877 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14878 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14879 * doc/invoke.tex: Document -mcfv4e on m68k.
14881 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14883 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14886 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14889 * c-opts.c (c_common_handle_option): Don't include
14890 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14891 * doc/invoke.texi (C++ Dialect Options): Document that
14892 -Wnon-virtual-dtor is no longer included in -Wall.
14894 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14896 * gcov.c (print_version), gcov-dump.c (print_version),
14897 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14900 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14902 * df-scan.c (problem_SCAN): Added NULL reset function.
14903 (df_scan_reset_blocks): Added code to call reset block function
14904 (df_bb_refs_delete) Fixed comment.
14905 (df_insn_refs_delete): Made tolerant of deleting non existent info
14906 for dataflow problems that need to be reset.
14907 * df-core.c (df_set_blocks): Ditto.
14908 * df.h (struct df_problem): Added reset_fun.
14909 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14910 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14911 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14912 functions to clear out all references to def-use or use-def chains.
14914 2006-01-21 Ben Elliston <bje@au.ibm.com>
14916 * varasm.c (assemble_real): Initialise data array.
14918 2006-01-20 Paul Brook <paul@codesourcery.com>
14920 Merge from csl-arm-branch.
14921 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14922 * config/arm/arm.md (movdi): Force operands[1] to a register
14923 if we have a non-register source.
14924 (*arm_movdi, *movdf_soft_insn): Require that one of the
14925 operands be a register.
14926 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14927 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14929 2006-01-20 DJ Delorie <dj@redhat.com>
14931 * varasm.c (initializer_constant_valid_p): Allow pointers
14932 initialized from integer constants of lesser precision.
14933 (output_constant): Allow non-int-sized pointer modes to be
14934 initialized from integer constants.
14936 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14939 * cppdefault.h (struct default_include): Add multilib flag.
14940 * cppdefault.c (cpp_include_defaults): Set it.
14941 * c.opt (-imultilib): New option.
14942 * c-opts.c (imultilib): New.
14943 (c_common_handle_option): Handle -imultilib.
14944 (c_common_post_options): Likewise.
14945 * c-incpath.c (add_standard_paths, register_include_chains):
14947 * c-incpath.h (register_include_chains): Add extra parameter.
14948 * gcc.c (do_spec_1): Generate -imultilib option.
14949 (The Specs Language): Update %I description.
14950 (process_command): Update copyright notice.
14951 * doc/cppopts.texi (-imultilib): Document.
14952 * doc/invoke.texi (-imultilib): Include in option summary.
14953 (%I): Update specs documentation.
14955 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14957 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14959 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14961 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14964 2006-01-20 Richard Guenther <rguenther@suse.de>
14965 Steven Bosscher <stevenb.gcc@gmail.com>
14967 PR rtl-optimization/24626
14968 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14969 EDGE_TRUE_VALUE if in RTL mode.
14972 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14973 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14975 2006-01-20 Dirk Mueller <dmueller@suse.com>
14978 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14979 instead of a special NOP marker.
14980 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14981 NOP marker handling.
14982 * c-common.h (empty_body_warning): Add forward declaration.
14983 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14984 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14986 2006-01-20 Paul Brook <paul@codesourcery.com>
14988 * Makefile.in (lang_checks): Keep going if mkdir fails.
14990 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14992 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14993 be able to clean out basic block when not necessary.
14994 (df_scan_free): Fixed to properly delete information if df is
14995 unused before calling df_finish.
14996 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14997 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14999 (df_bb_refs_delete): New function.
15000 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15001 * df-core.c (df_set_blocks): Added code to properly clean out
15002 unused blocks if they are not part of the blocks to consider.
15003 Added additional null check.
15004 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15005 be able to clean out basic block when not necessary
15006 * df.h (df_free_bb_function): Ditto.
15007 (df_bb_refs_delete): New function.
15008 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15009 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15010 basic block parameter to be able to clean out basic block when not
15012 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15013 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15014 Fixed to properly delete information if df is unused before
15017 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15019 PR rtl-optimization/25799
15020 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15021 Corrected confluence operator to remove bits from op2 before oring
15022 with op1 rather than removing bits from op1.
15023 (df_ru_transfer_function): Corrected test on wrong bitmap which
15024 caused infinite loop. Both of these problems were introduced in
15025 the dataflow rewrite.
15027 2006-01-19 DJ Delorie <dj@redhat.com>
15029 * reload1.c (find_reload_regs): Note the details of reload
15030 failures in the dump file.
15031 (spill_failure): Likewise.
15033 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15035 * loop-iv.c: Include df.h and hashtab.h.
15036 (enum iv_grd_result): New enum.
15037 (DF_REF_IV, DF_REF_IV_SET): New macros.
15038 (struct biv_entry): New.
15039 (df, bivs): New global variables.
15040 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15041 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15043 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15044 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15045 analyzed_for_bivness_p, record_biv): New functions.
15046 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15047 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15048 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15050 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15052 (iv_number_of_iterations): Use new interface to iv analysis.
15053 * loop-unroll.c: Do not include varray.h.
15054 (analyze_iv_to_split_insn): Use new interface to iv
15056 * loop-unswitch.c (may_unswitch_on): Ditto.
15057 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15059 (df_bb_modify): Realloc tables to the new index.
15060 (df_find_use): New function.
15061 * df.h (df_find_use): Declare.
15062 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15064 * cfgloop.h (struct rtx_iv): Remove analysed field.
15065 (iv_get_reaching_def): Removed.
15066 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15067 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15068 (loop-iv.o): Add df.h and hashtab.h dependency.
15069 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15071 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15074 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15076 (__floatundisf, __floatundidf): Likewise.
15077 * libgcc2.h (IS_IBM_EXTENDED): Define.
15079 2006-01-19 DJ Delorie <dj@redhat.com>
15081 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15083 2006-01-19 Paul Brook <paul@codesourcery.com>
15085 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15086 as nothrow when unwinding tables are disabled.
15088 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15091 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15092 of bit-field" when in system header.
15094 2006-01-19 DJ Delorie <dj@redhat.com>
15096 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15097 the 16 bit shift limit of the m16c.
15099 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15102 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15103 * config/i386/i386.c (output_set_got): Output the label if we have one
15104 for the TARGET_DEEP_BRANCH_PREDICTION case.
15106 2006-01-19 Jan Hubicka <jh@suse.cz>
15107 H.J. Lu <hongjiu.lu@intel.com>
15108 Evandro Menezes <evandro.menezes@amd.com>
15110 * invoke.texi (generic): Document
15112 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15113 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15114 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15115 (x86_use_incdec, x86_pad_returns): New variables
15116 (TARGET_CPU_DEFAULT_generic): New constant
15117 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15118 (enum processor_type): Add generic32 and generic64.
15119 * i386.md (cpu attribute): Add generic32/generic64
15120 (movhi splitter): Behave sanely when both partial_reg_dependency and
15121 partial_reg_stall are set.
15122 (K8 splitters): Enable for generic as well.
15123 * predicates.md (incdec_operand): Use TARGET_INCDEC
15124 (aligned_operand): Avoid memory mismatch stalls.
15125 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15126 * ppro.md: Enable for generic32
15127 * i386.c (generic64_cost, generic32_cost): New.
15128 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15129 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15130 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15131 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15132 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15133 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15134 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15135 x86_accumulate_outgoing_args, x86_prologue_using_move,
15136 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15137 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15138 Enable for generic.
15139 (x86_use_incdec, x86_pad_returns): New.
15140 (override_options): Add generic32 and generic64, translate "generic"
15141 to generic32/generic64 and "i686" to "generic32", refuse
15142 "generic32"/"generic64" as arch target.
15143 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15144 (ix86_reorg): Honor PAD_RETURNS.
15146 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15148 * tree-pretty-print.c (dump_generic_node): Handle
15149 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15150 * cgraph.c (cgraph_expand_queue): Rename from
15151 cgraph_analyze_queue. Update all users.
15152 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15153 cgraph_expand_queue.
15154 (cgraph_expand_all_functions): Likewise.
15155 (cgraph_finalize_pending_functions): Remove. Update callers.
15157 * tree.h (OMP_DIRECTIVE_P): Define.
15158 (OMP_PARALLEL_FN): Define.
15159 (OMP_PARALLEL_DATA_ARG): Define.
15160 (OMP_SECTIONS_SECTIONS): Define.
15161 * tree-pass.h (pass_expand_omp): Declare.
15162 * omp-low.c (struct omp_region): Declare.
15163 (struct omp_context): Remove fields 'parallel_type',
15164 'parallel_start_ix' and 'parallel_start_additional_args'.
15166 (struct omp_for_data): Rename from struct expand_omp_for_data.
15167 (omp_regions): New static variable.
15168 (root_omp_region): New static variable.
15169 (find_omp_clause): Make static.
15170 (is_in_combined_parallel_ctx): Remove.
15171 (is_combined_parallel): New.
15172 (extract_omp_for_data): Move earlier in the file.
15173 (workshare_safe_to_combine_p): New.
15174 (get_ws_args_for): New.
15175 (determine_parallel_type): Move earlier in the file.
15176 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15178 (omp_copy_decl): Likewise.
15179 (create_omp_child_function): Likewise.
15180 (lookup_omp_region): New.
15181 (dump_omp_region): New.
15182 (debug_omp_region): New.
15183 (debug_all_omp_regions): New.
15184 (new_omp_region): New.
15185 (scan_omp_parallel): If parallel_nesting_level > 1, the
15186 directive is nested within another parallel directive.
15187 Set OMP_PARALLEL_FN.
15188 (scan_omp_for): Do not try to handle combined parallel+for
15190 Remove FIXME comment.
15191 (scan_omp_nested): Remove.
15192 (scan_omp_1): Do not call scan_omp_nested when
15193 parallel_nesting_level is > 1.
15194 Do not change the DECL_CONTEXT of local variables found.
15195 (lookup_decl_in_outer_ctx): New.
15196 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15197 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15198 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15199 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15200 If CTX is nested, lookup VAR in the outer context when
15201 building copy assignment.
15202 (lower_send_clauses): Rename from expand_send_clauses.
15203 If CTX is nested, lookup VAR in the outer context when
15204 building copy assignments.
15205 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15206 If CTX is nested, lookup VAR in the outer context when
15207 building copy assignments.
15208 (expand_parallel_call): Rename from build_parallel_call.
15209 Handle combined parallel+workshare cases.
15210 Re-implement to emit code into the CFG.
15212 (expand_omp_parallel): Re-implement to emit code into the CFG.
15213 Call move_sese_region_to_fn to outline the sub-graph
15214 containing the parallel region.
15215 (expand_omp_for_1): Remove.
15216 (expand_omp_for_generic): Re-implement to emit code into the
15218 (expand_omp_for_static_nochunk): Likewise.
15219 (expand_omp_for_static_chunk): Likewise.
15220 (expand_omp_for): Likewise.
15221 (expand_omp_sections): Likewise.
15222 (remove_exit_barriers): New.
15223 (expand_omp_synch): New.
15225 (build_omp_regions_1): New.
15226 (build_omp_regions): New.
15227 (execute_expand_omp): New.
15228 (gate_expand_omp): New.
15229 (pass_expand_omp): Define.
15230 (lower_omp_sections): Rename from expand_omp_sections.
15231 Set OMP_SECTIONS_SECTIONS.
15232 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15233 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15234 (lower_omp_single): Rename from expand_omp_simple.
15235 (lower_omp_master): Rename from expand_omp_master.
15236 (lower_omp_ordered): Rename from expand_omp_ordered.
15237 (lower_omp_critical): Rename from expand_omp_critical.
15238 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15239 (lower_omp_for): Re-implement.
15240 (lower_omp_parallel): Re-implement.
15241 (lower_regimplify): Rename from expand_regimplify.
15242 (lower_omp_1): Rename from expand_omp_1.
15243 If there are syntax errors in the program, replace every
15244 OpenMP directive with NOP.
15245 Call lower_omp_* instead of expand_omp_*.
15246 (lower_omp): Rename from expand_omp.
15248 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15249 * tree-gimple.h (enum omp_parallel_type): Remove.
15250 (gimple_boolify): Declare extern.
15251 (find_omp_clause, determine_parallel_type): Remove.
15253 * gimple-low.c (lower_omp_directive): New.
15254 (lower_stmt): Call it.
15255 (record_vars_into): Move from ...
15256 (record_vars): ... here.
15257 Call record_vars_into with current_function_decl.
15259 * gimplify.c (struct gimplify_ctx): Remove fields
15260 combined_pre_p and combined_ctxp. Update users.
15261 (get_formal_tmp_var): Add documentation.
15262 (gimple_boolify): Make extern.
15263 (gimplify_expr_in_ctx): Remove. Update callers.
15264 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15265 will always be a BIND_EXPR.
15266 (gimplify_expr): Handle OMP_RETURN_EXPR.
15267 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15268 (OMP_PARALLEL): Add 3 operands.
15269 (OMP_SECTIONS): Add 1 operand.
15270 (OMP_RETURN_EXPR): Define.
15272 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15273 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15274 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15275 creating a circular free list.
15276 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15278 * tree-flow.h (move_sese_region_to_fn): Declare.
15279 (record_vars_into): Declare.
15280 * tree-cfg.c (make_omp_sections_edges): New.
15281 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15282 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15283 OMP_SECTIONS and OMP_SECTION.
15284 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15285 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15286 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15287 (gather_blocks_in_sese_region): New.
15288 (struct move_stmt_d): Declare.
15289 (move_stmt_r): New.
15290 (move_block_to_fn): New.
15291 (move_sese_region_to_fn): New.
15293 * passes.c (init_optimization_passes): Schedule
15294 pass_expand_omp after pass_init_datastructures.
15296 * tree-ssa-operands.c (get_expr_operands): Handle
15297 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15298 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15300 2006-01-19 Jeff Law <law@redhat.com>
15302 * tree-vrp.c (extract_range_from_assert): Refine the result range
15303 if the variable referenced by the ASSERT_EXPR has a range and
15304 either the tentative result range or the previous range is a
15307 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15309 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15311 2006-01-19 Jan Hubicka <jh@suse.cz>
15313 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15315 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15317 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15318 (expand_compound_operation, expand_field_assignment): Fail if the
15319 bit lengths of an extract operation are out of range.
15320 (make_extraction): Compute wanted_inner_mode based on the position
15321 and length of the extraction. Make it extraction_mode for non-constant
15322 positions, and do not modify offset in that case. When generating a
15323 new MEM, use a mode that can hold the extraction while keeping correct
15324 alignment. Remove code that supported MEMs wrapped by USEs.
15325 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15327 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15329 * config/s390/s390.md ("Y", "y"): New mode attribute.
15330 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15331 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15332 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15333 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15334 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15335 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15336 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15337 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15338 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15339 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15340 "addsi3", "subsi3"): Insn patterns removed.
15341 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15342 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15343 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15344 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15345 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15346 "*sub<mode>3_cconly2"): New insn patterns.
15347 ("addsi3", "subsi3"): New expanders.
15349 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15351 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15352 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15353 existing STMT_VINFO_VECTYPE if available.
15354 (vect_mark_relevant): Add special handling for stmts that are
15355 marked as STMT_VINFO_IN_PATTERN_P.
15356 (vect_analyze_loop): Call vect_pattern_recog.
15357 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15358 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15360 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15361 (vect_recog_func_ptr): New function-pointer type.
15362 * tree-vect-patterns.c: New file.
15363 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15364 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15365 (vect_pattern_recog_1): New functions.
15366 (vect_pattern_recog_funcs): New array of function pointers.
15368 * tree-vectorizer.h (ternary_op): New enum value.
15369 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15370 declaration. Revised documentation. Removed redundant dump prints.
15371 Removed redundant argument. Added support for reduction patterns.
15372 (vectorizable_reduction): Added support for reduction patterns.
15373 (vect_transform_stmt): Added support for patterns.
15375 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15376 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15377 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15378 (expand_widen_pattern_expr): New function.
15379 (init_optabs): Initialize new optabs udot_prod_optab,
15381 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15382 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15383 (expand_widen_pattern_expr): New function declaration.
15384 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15386 * tree-inline.c (estimate_num_insns_1): Added cases for new
15387 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15388 * tree-pretty-print.c (dump_generic_node): Likewise.
15389 (op_prio): Likewise.
15390 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15391 * tree-ssa-operands.c (get_expr_operands): Added case for
15393 * tree-vect-patterns.c (widened_name_p): New function.
15394 (vect_recog_dot_prod_pattern): Added function implementation.
15395 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15396 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15397 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15398 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15400 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15401 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15402 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15403 (init_optabs): Initialize new optabs widen_ssum_optab,
15405 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15406 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15407 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15408 use instead of type of def.
15409 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15410 function implementation.
15411 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15412 widen_ssumv8hi): New.
15414 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15417 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15420 * c-decl.c (add_flexible_array_elts_to_size): New function.
15421 (finish_decl): Use it.
15423 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15425 * diagnostic.h: Include options.h.
15426 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15427 dependancies for diagnostic.h.
15428 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15430 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15432 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15433 (ssa_ro_call_cache_valid): Ditto.
15434 * tree-ssa-alias.c (sort_tags_by_id): New function.
15435 (init_transitive_clobber_worklist): Ditto.
15436 (add_to_worklist): Ditto.
15437 (mark_aliases_call_clobbered): Ditto.
15438 (compute_tag_properties): Ditto.
15439 (set_initial_properties): Ditto.
15440 (compute_call_clobbered): Ditto.
15441 (compute_may_aliases): Call compute_call_clobbered and grouping.
15442 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15443 (compute_flow_insensitive_aliasing): Grouping now happens in our
15445 (setup_pointers_and_addressables): Remove clobbering related code.
15446 (add_may_alias): Ditto.
15447 (replace_may_alias): Ditto.
15448 (get_nmt_for): Ditto.
15449 (create_global_var):
15450 (is_escape_site): Return an escape_type enumeration.
15451 * tree-flow-inline.h (is_call_clobbered): Global var does not
15452 imply call clobbered.
15453 (mark_call_clobbered): Take a reason for marking this. Remove
15454 marking of globalness, and cache invalidation.
15455 (clear_call_clobbered): Remove cache invalidation code.
15456 * tree-dfa.c (dump_variable): If details is on, dump the reason
15458 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15460 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15461 (struct var_ann_d): Ditto.
15462 (enum escape_type): New.
15463 (mark_call_clobbered): Adjust prototype.
15464 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15465 are never call clobbered.
15466 Record reasons for escaping.
15467 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15468 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15469 (ssa_ro_call_cache_valid): Ditto.
15470 (clobbered_v_may_defs): Ditto.
15471 (clobbered_vuses): Ditto.
15472 (ro_call_vuses): Ditto.
15473 (clobber_stats): New.
15474 (init_ssa_operands): Zero out clobber stats.
15475 (fini_ssa_operands): Print out clobber stats.
15476 (get_call_expr_operands): Pass callee fndecl to
15477 add_call_read_ops).
15478 (add_call_clobber_ops): Remove use of cache.
15479 Add use of PURE_CONST information.
15480 (add_call_read_ops): Remove use of cache.
15481 Add use of static not_read information.
15483 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15485 Introduce TLS descriptors for i386 and x86_64.
15486 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15487 (TARGET_ANY_GNU_TLS): New macro.
15488 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15489 (struct machine_function): Add tls_descriptor_call_expanded_p.
15490 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15491 (ix86_current_function_calls_tls_descriptor): Likewise.
15492 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15493 (override_options): Introduce gnu2 tls dialect.
15494 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15496 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15498 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15499 (ix86_init_machine_status): Initialize new field.
15500 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15501 (ix86_tls_module_base): New.
15502 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15503 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15504 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15505 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15506 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15507 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15508 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15509 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15510 * config/i386/predicates.md (tls_modbase_operand): New.
15511 (tp_or_register_operand): New.
15513 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15515 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15516 (look_for_address_of): Ditto.
15517 (ipa_init): Walk the function decls.
15518 (static_execute): Don't set readonly on FUNCTION_DECL's.
15520 2006-01-18 Roger Sayle <roger@eyesopen.com>
15522 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15523 for shifts where the source and destination registers are different.
15525 2006-01-18 Paul Brook <paul@codesourcery.com>
15527 Merge from csl-arm-branch.
15528 2005-03-14 Julian Brown <julian@codesourcery.com>
15529 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15530 (aeabi_llsl): Likewise.
15531 (ashrdi3): Likewise.
15532 (aeabi_lasr): Likewise.
15533 (lshrdi3): Likewise.
15534 (aeabi_llsr): Likewise.
15535 2005-03-10 Julian Brown <julian@codesourcery.com>
15536 * config.gcc: Disable shared libgcc for SymbianOS.
15537 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15539 2006-01-18 DJ Delorie <dj@redhat.com>
15541 * c-pragma.c (handle_pragma_diagnostic): New.
15542 (init_pragma): Register it.
15543 * doc/extend.texi: Document it.
15545 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15546 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15547 (diagnostic_context): Add classify_diagnostic[].
15548 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15549 as errors if they're overridden to DK_WARNING.
15550 (diagnostic_initialize): Initialize classify_diagnostic[].
15551 (diagnostic_set_kind_override): New.
15552 (diagnostic_report_diagnostic): Check for kind changes.
15553 * opts.c (common_handle_option): Take lang_mask. Update callers.
15554 Handle OPT_Werror_.
15555 * common.opt (Werror=): New.
15556 * doc/invoke.texi: Document -Werror=*
15558 2006-01-18 Jeff Law <law@redhat.com>
15560 * tree-vrp.c (test_for_singularity): Correct test for new
15561 min limit. Use operand_equal_p rather than pointer equality
15562 for testing if new min/max values are equal.
15564 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15565 using range information until after propagation and folding.
15567 2006-01-18 Richard Henderson <rth@redhat.com>
15568 Aldy Hernandez <aldyh@redhat.com>
15569 Jakub Jelinek <jakub@redhat.com>
15570 Diego Novillo <dnovillo@redhat.com>
15572 * omp-low.c: New file.
15573 * c-omp.c: New file.
15575 2006-01-18 Richard Henderson <rth@redhat.com>
15576 Jakub Jelinek <jakub@redhat.com>
15577 Diego Novillo <dnovillo@redhat.com>
15579 * doc/invoke.texi: Document -fopenmp.
15580 * tree-dump.h (debug_function): Declare.
15581 * hooks.c (hook_bool_tree_bool_false): New function.
15582 (hook_tree_tree_null): Remove.
15583 (hook_tree_tree_tree_null): New.
15584 * hooks.h: Update to match.
15585 * tree-pretty-print.c (debug_tree_chain): New.
15586 (print_generic_expr): Handle TDF_CHAIN.
15587 (dump_generic_node): Handle BLOCK.
15588 Do not abort with incomplete SWITCH_EXPRs.
15589 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15590 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15591 print space after directive name.
15592 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15593 Handle OMP_MASTER and OMP_ORDERED.
15594 Handle printing of OMP_BODY just in one place, goto
15595 dump_omp_body in the rest of OMP_* nodes that have
15597 Don't handle clause nodes here. Update omp statements to
15598 use dump_omp_clauses.
15599 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15600 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15601 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15602 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15603 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15604 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15605 Adjust output for GOMP_PARALLEL.
15606 (dump_omp_clauses): New.
15607 (print_declaration): Dump DECL_VALUE_EXPR.
15608 (op_symbol_1): Split out of op_symbol.
15609 (dumping_stmts): Remove. Update all users.
15610 * cgraph.c (cgraph_analyze_queue): New.
15611 (cgraph_add_new_function): New.
15612 * cgraph.h (cgraph_analyze_queue): Declare.
15613 (cgraph_add_new_function): Declare.
15614 (cgraph_lower_function): Remove.
15615 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15616 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15617 and TYPE_P nodes in its default clause.
15618 (empty_body_p): New.
15619 (tree_range_check_failed): New.
15620 (build5_stat): New.
15621 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15622 OMP_CLAUSE_REDUCTION_MERGE,
15623 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15624 OMP_CLAUSE_PRIVATE_DEBUG,
15625 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15626 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15627 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15628 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15629 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15630 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15631 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15632 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15633 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15634 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15635 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15636 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15637 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15638 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15639 (TREE_RANGE_CHECK): New.
15640 (empty_body_p): Declare.
15641 (enum omp_clause_default_kind): New.
15642 (build_string_literal): Declare.
15643 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15644 (build5_stat, build5): Declare.
15645 * tree-pass.h (TDF_CHAIN): Define.
15646 * tree-pass.h (PROP_gimple_lomp): Define.
15647 (pass_lower_omp): Declare.
15648 * diagnostic.h (debug_tree_chain): Declare.
15649 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15651 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15652 * builtins.c (build_string_literal): Make extern.
15653 * gcc.c (include_spec_function): New.
15654 (static_spec_functions): Add it.
15655 (main): Move load of libgomp.spec ...
15656 (LINK_COMMAND_SPEC): ... here.
15657 (link_gomp_spec): New.
15658 (static_specs): Include it.
15659 (LINK_COMMAND_SPEC): Add link_gomp.
15660 (GOMP_SELF_SPECS): New.
15661 (driver_self_specs): Include it.
15662 (switch_matches): Don't mark inline.
15663 (main): Load libgomp.spec.
15664 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15665 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15666 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15667 * tree-gimple.h (enum omp_parallel): Declare.
15668 (determine_parallel_type): Declare.
15669 (omp_firstprivatize_variable): Declare.
15670 (omp_reduction_init): Declare.
15671 (diagnose_omp_structured_block_errors): Declare.
15672 (struct walk_stmt_info): Add want_return_expr.
15673 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15674 (find_omp_clause): Declare.
15675 (insert_field_into_struct): Declare.
15676 (struct walk_stmt_info): Move from tree-nested.c
15677 (walk_stmts): Declare.
15678 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15680 * cgraphunit.c (cgraph_lower_function): Make static.
15681 (cgraph_finalize_pending_functions): New.
15682 (cgraph_finalize_function): Call it.
15683 (cgraph_finalize_compilation_unit): Likewise.
15684 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15685 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15686 (BT_FN_UINT_UINT): New.
15687 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15688 DEF_FUNCTION_TYPE_VAR_4): Document.
15689 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15690 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15691 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15692 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15693 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15694 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15695 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15696 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15697 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15698 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15699 into separate files.
15700 (DEF_GOMP_BUILTIN): New.
15701 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15702 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15703 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15704 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15705 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15706 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15707 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15708 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15709 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15710 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15711 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15712 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15713 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15714 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15715 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15716 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15717 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15718 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15719 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15720 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15721 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15722 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15723 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15724 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15725 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15726 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15727 * sync-builtins.def: New file, moved from builtins.def.
15728 * omp-builtins.def: New file, moved from builtins.def.
15729 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15730 * gimple-low.c (lower_function_body): Clear data.
15731 (lower_stmt): Do not handle COMPOUND_EXPR.
15732 Remove call to print_node_brief.
15733 * c-tree.h (c_finish_omp_clauses): New prototype.
15734 (C_DECL_THREADPRIVATE_P): Define.
15735 (lookup_name_no_remap, c_omp_remap_private): Remove
15736 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15737 (check_for_loop_decls): Update decl.
15738 (lookup_name_no_remap, c_omp_remap_private): Declare.
15739 (build_indirect_ref, build_modify_expr, pushdecl,
15740 pushdecl_top_level): Move to c-common.h.
15741 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15742 before the switch, but just in the 2 places that need it.
15743 * c-decl.c (diagnose_mismatched_decls): Do not check for
15744 mismatched thread-local attributes when OLDDECL is marked
15745 threadprivate and NEWDECL has no thread-local attributes.
15746 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15747 (c_gimple_diagnostics_recursively): Rename from
15748 c_warn_unused_result_recursively. Invoke
15749 diagnose_omp_structured_block_errors.
15750 (check_for_loop_decls): Return a singular decl found.
15751 * langhooks.c (lhd_omp_predetermined_sharing): Return
15752 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15753 (lhd_omp_firstprivatize_type_sizes): New.
15754 (lhd_omp_assignment): New.
15755 (lhd_omp_predetermined_sharing): New.
15756 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15757 (struct lang_hooks_for_types): Add
15758 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15759 omp_predetermined_sharing, omp_disregard_value_expr,
15760 omp_private_debug_clause, omp_clause_default_ctor,
15761 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15762 (c_finish_omp_clauses): New.
15763 (c_finish_bc_stmt): Diagnose break within omp for.
15764 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15765 (build_unary_op): Return error_mark after reporting
15767 (build_modify_expr): Likewise.
15768 * gimplify.c: Include optabs.h and pointer-set.h.
15769 (enum gimplify_omp_var_data): Declare.
15770 (struct gimplify_omp_ctx): Declare.
15771 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15773 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15774 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15775 (splay_tree_compare_decl_uid): New.
15776 (new_omp_context): New.
15777 (delete_omp_context): New.
15778 (gimple_add_tmp_var): Call omp_add_variable.
15779 (gimplify_bind_expr): Likewise.
15780 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15781 true, disregard DECL_VALUE_EXPR on the decl if any.
15782 (gimplify_expr_in_ctx): New.
15783 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15784 omp_add_variable, omp_notice_variable, omp_is_private
15785 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15786 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15787 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15788 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15789 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15790 gimplify_omp_atomic): New.
15791 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15792 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15793 OMP_CRITICAL and OMP_ATOMIC.
15794 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15795 * c-pragma.h (enum pragma_kind): Add
15796 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15797 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15798 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15799 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15800 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15801 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15802 PRAGMA_OMP_THREADPRIVATE.
15803 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15804 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15805 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15806 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15807 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15808 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15809 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15810 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15811 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15812 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15813 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15814 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15815 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15817 (struct nesting_info): Add field_map,
15818 suppress_expansion, debug_var_chain.
15819 (create_nesting_tree): Initialize them.
15820 (lookup_field_for_decl): Use field_map.
15821 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15822 (convert_local_omp_clauses): New.
15823 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15824 (walk_body): Split out of walk_function.
15825 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15826 (convert_nonlocal_reference): Handle omp statements.
15827 (convert_local_reference): Likewise.
15828 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15829 (unnest_nesting_tree): New.
15830 (lower_nested_functions): Call it.
15831 (insert_field_into_struct): Make extern.
15832 (struct walk_stmt_info): Move to tree-gimple.h.
15833 (walk_stmts): Make extern.
15834 * omp-builtins.def: New file.
15835 * tree-iterator.c (expr_only): Clarify comment.
15836 * c-common.h (pushdecl_top_level, pushdecl,
15837 build_modify_expr, build_indirect_ref,
15838 c_finish_omp_master, c_finish_omp_critical,
15839 c_finish_omp_ordered, c_finish_omp_barrier,
15840 c_finish_omp_atomic, c_finish_omp_flush,
15841 c_finish_omp_for, c_split_parallel_clauses,
15842 omp_clause_default_kind, c_omp_sharing_predetermined,
15843 c_omp_remap_decl): Declare.
15844 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15845 (OBJS-common): Add omp-low.o.
15846 (c-omp.o, omp-low.o): Add.
15847 (gimplify.o): Add dependency on $(OPTABS_H).
15848 (GTFILES): Add omp-low.c.
15849 (gt-stringpool.h): Add.
15850 * tree-cfg.c (set_bb_for_stmt): Do not update the
15851 block-to-labels map if we are currently expanding to RTL.
15852 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15854 Handle IDENTIFIER_NODE.
15855 (tree_verify_flow_info): Do not ICE when emitting error
15856 messages about invalid labels.
15857 (dump_function_to_file): Reset CFUN before emitting the body
15859 (debug_function): New.
15860 * passes.c (init_optimization_passes): Schedule
15862 * langhooks-def.h (lhd_omp_predetermined_sharing,
15863 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15865 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15866 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15867 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15868 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15869 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15870 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15871 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15872 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15873 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15874 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15875 (LANG_HOOK_DECLS): Use them.
15877 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15878 Richard Henderson <rth@redhat.com>
15879 Jakub Jelinek <jakub@redhat.com>
15880 Diego Novillo <dnovillo@redhat.com>
15882 * c-parser.c (pragma_omp_clause): Define.
15883 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15884 (c_parser_compound_statement): Likewise.
15885 (c_parser_statement): Likewise.
15886 (c_parser_pragma): Handle omp pragmas.
15887 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15888 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15889 (c_parser_omp_clause_name, check_no_duplicate_clause,
15890 c_parser_omp_variable_list,
15891 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15892 c_parser_omp_clause_copyprivate,
15893 c_parser_omp_clause_default,
15894 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15895 c_parser_omp_clause_lastprivate,
15896 c_parser_omp_clause_nowait,
15897 c_parser_omp_clause_num_threads,
15898 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15899 c_parser_omp_clause_reduction,
15900 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15901 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15902 c_parser_omp_atomic, c_parser_omp_barrier,
15903 c_parser_omp_critical, c_parser_omp_flush,
15904 c_parser_omp_for_loop, c_parser_omp_for,
15905 c_parser_omp_master, c_parser_omp_ordered,
15906 c_parser_omp_sections_scope, c_parser_omp_sections,
15907 c_parser_omp_parallel, c_parser_omp_single,
15908 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15909 * c-pragma.c (init_pragma): Do omp pragma registration here.
15910 * c.opt (fopenmp): New flag.
15912 2006-01-18 Eric Christopher <echristo@apple.com>
15914 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15915 * config/darwin.h (GOMP_SELF_SPECS): Define.
15917 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15919 * rtl.h: Remove the prototype for reg_alloc.
15921 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15924 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15925 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15926 sjlj and dwarf2 exception handling.
15927 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15928 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15929 * pa/pa.c (function_value): Treat complex and vector types as
15931 (function_arg): Likewise. Only pass scalar floats in the floating
15932 point argument registers.
15933 * pa/t-slibgcc-dwarf-ver: New file.
15934 * pa/t-slibgcc-sjlj-ver: New file.
15935 * pa/t-slibgcc-elf-ver: Delete file.
15937 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15939 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15940 unlikely_test_section_p test.
15942 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15944 * mode-switching.c (optimize_mode_switching): Make it static.
15945 * basic-block.h: Remove the prototype for
15946 optimize_mode_switching.
15948 * modulo-sched.c (sms_schedule): Make it static.
15949 * rtl.h: Remove the prototype for sms_schedule.
15951 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15952 * rtl.h: Remove the prototype for gcse_after_reload_main.
15954 * reg-stack.c (reg_to_stack): Make it static.
15955 * rtl.h: Remove the prototype for reg_to_stack.
15957 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15959 * rtl.h: Remove the prototypes for regrename_optimize and
15960 copyprop_hardreg_forward.
15962 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15964 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15965 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15966 Test against the appropriate null constant for the mode.
15967 If 'fixup_overlap' is true, swap the operands if they overlap.
15968 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15969 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15970 alpha_split_tmode_pair and adjust for above change.
15971 * config/alpha/alpha.md (movtf_internal): Adjust call to
15972 alpha_split_tfmode_pair and rely on it to swap the operands.
15973 (movti_internal): New insn and post-reload splitter.
15974 (movti): New expander.
15976 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15978 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15981 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15983 * rtlanal.c (global_reg_mentioned_p_1,
15984 global_reg_mentioned_p): Remove.
15985 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15987 * flow.c (initialize_uninitialized_subregs): Make it static.
15988 * rtl.h: Remove the prototype for
15989 initialize_uninitialized_subregs.
15991 * function.c (instantiate_virtual_regs): Make it static.
15992 * function.h: Remove the prototype for
15993 instantiate_virtual_regs.
15995 * regmove.c (regmove_optimize, combine_stack_adjustments):
15997 * rtl.h: Remove the prototypes for regmove_optimize and
15998 combine_stack_adjustments.
16000 2006-01-17 Roger Sayle <roger@eyesopen.com>
16002 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16003 (size_cost): Encode costs in bytes so that a reg-reg addition is
16004 equivalent to COSTS_N_INSNS(1).
16005 (override_options): Use the size_cost.branch_cost as the default
16006 ix86_branch_cost when optimizing for size.
16008 2006-01-18 Ben Elliston <bje@au.ibm.com>
16010 * Makefile.in (D32PBIT_FUNCS): New.
16011 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16012 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16013 D64PBIT_FUNCS and D128PBIT_FUNCS.
16014 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16015 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16017 (decnumber_dep): Define.
16018 * doc/libgcc.texi (Decimal float library routines): New node.
16019 * config/dfp-bit.h, config/dfp-bit.c: New files.
16021 2006-01-18 Ben Elliston <bje@au.ibm.com>
16023 * expr.c (emit_move_change_mode): Always adjust addresses, not
16024 just during reload. Copy replacements only during reload.
16025 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16026 emit_move_via_integer.
16028 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16030 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16031 instead of $(srcdir) and ${srcdir}.
16033 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16036 PR middle-end/11135
16037 * arm.h (struct machine_function): Add pic_reg.
16038 * arm.c (arm_pic_register): Make unsigned.
16039 (arm_override_options): Only set arm_pic_register if
16040 TARGET_SINGLE_PIC_BASE.
16041 (use_return_insn): Only test for a pic register if it is fixed.
16042 (arm_compute_save_reg0_reg12_mask): Likewise.
16043 (thumb_compute_save_reg_mask): Likewise.
16044 (legitimate_pic_operand): Factor out some known invariants.
16045 (legitimize_pic_address): If we don't have a fixed pic register,
16046 then set up a pseudo in the function entry sequence. Handle the
16047 pic base being in a pseudo.
16048 (arm_load_pic_register): Handle the pic register being in a pseudo.
16049 (arm_expand_prologue): Only set up the pic register if it is fixed.
16050 (thumb_expand_prologue): Likewise.
16051 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16052 (pic_load_addr_based_insn): Likewise.
16053 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16056 2006-01-18 Ben Elliston <bje@au.ibm.com>
16058 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16059 decimal float modes for all floating point registers.
16061 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16062 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16064 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16067 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16068 even when the pointer is not NULL.
16070 2006-01-16 Ian Lance Taylor <ian@airs.com>
16072 * common.opt (ftoplevel-reorder): New option.
16073 * cgraph.c (cgraph_asm_nodes): New global variable.
16074 (cgraph_asm_last_node): New static variable.
16075 (cgraph_order): New global variable.
16076 (cgraph_create_node): Set new order field.
16077 (cgraph_varpool_node): Likewise.
16078 (decide_is_variable_needed): Return true if not
16079 flag_toplevel_reorder.
16080 (cgraph_add_asm_node): New function.
16081 * cgraph.h (struct cgraph_node): Add order field.
16082 (struct cgraph_varpool_node): Add order field.
16083 (struct cgraph_asm_node): Define.
16084 (cgraph_asm_nodes, cgraph_order): Declare.
16085 (cgraph_add_asm_node): Declare.
16086 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16088 (cgraph_varpool_assemble_pending_decls): Call it.
16089 (cgraph_output_pending_asms): New static function.
16090 (cgraph_finalize_compilation_unit): Call it.
16091 (struct cgraph_order_sort): Define.
16092 (cgraph_output_in_order): New static function.
16093 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16094 !flag_toplevel_reorder case.
16095 * c-parser.c: Include "cgraph.h".
16096 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16098 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16099 than -fno-unit-at-a-time.
16100 * doc/invoke.texi (Option Summary): Mention
16101 -fno-toplevel-reorder.
16102 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16103 -funit-at-a-time documentation.
16105 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16106 Kazu Hirata <kazu@codesourcery.com>
16108 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16110 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16112 * Makefile.in (FUNCTION_H): New. Use it instead of
16113 function.h throughout the file.
16114 * function.h: Include tree.h.
16116 2006-01-17 Ben Elliston <bje@au.ibm.com>
16118 * recog.c: Separate some functions with whitespace.
16120 2006-01-16 Richard Henderson <rth@redhat.com>
16122 Merge from gomp branch:
16123 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16124 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16125 and rename from struct inline_data. Rename callee* to dst*;
16126 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16127 transform_new_cfg, transform_return_to_modify, and
16128 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16130 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16131 (copy_decl_for_dup): Remove.
16132 * tree-inline.c (struct inline_data): Move to header.
16133 (insert_decl_map): Export.
16134 (remap_decl): Update for member name changes. Use copy_decl hook.
16135 Allow for replacement to be a non-decl. Remove dead code.
16136 (remap_type_1): Check for existing mapping.
16137 (remap_type): Export.
16138 (remap_decls): Update for member name changes.
16139 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16140 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16141 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16142 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16143 (tree_function_versioning, build_duplicate_type): Likewise.
16144 (copy_body_r): Likewise. Export.
16145 (copy_decl_for_dup): Split into ...
16146 (copy_decl_for_dup_finish, copy_decl_to_var,
16147 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16148 (replace_ref_tree, inlining_p): Remove.
16150 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16152 * ifcvt.c (if_convert): Make it static.
16153 * rtl.h: Remove the prototype for if_convert.
16155 * local-alloc.c (local_alloc): Make it static.
16156 * rtl.h: Remove the prototype for local_alloc.
16158 * loop.c (loop_optimize): Make it static.
16159 * cfgloop.h: Remove the prototype for loop_optimize.
16162 2006-01-16 DJ Delorie <dj@redhat.com>
16164 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16167 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16169 * pa.md: Disparage copies between general and floating-point registers
16170 in 32-bit move patterns.
16172 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16175 * Makefile.in (check-%): Depend on site.exp instead of
16176 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16179 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16181 * global.c (global_alloc): Make it static.
16182 * rtl.h: Remove the prototype for global_alloc.
16184 2006-01-16 Richard Guenther <rguenther@suse.de>
16186 * tree-ssa-alias.c (struct used_part): Add write_only field.
16187 (get_or_create_used_part_for): Initialize it to true.
16188 (create_overlap_variables_for): Don't create structure variables
16189 for structures that only are written to.
16190 (find_used_portions): Handle MODIFY_EXPR to track whether a
16191 structure is only written to.
16193 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16195 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16197 * basic-block.h: Remove the prototype for
16198 partition_hot_cold_basic_blocks.
16200 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16202 * cppspec.c (lang_specific_spec_functions): Remove.
16203 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16204 * gcc.h (lang_specific_spec_functions): Remove.
16205 * gccspec.c (lang_specific_spec_functions): Remove.
16207 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16209 * combine.c (record_value_for_reg): Invalidate registers
16211 (record_dead_and_set_regs_1): Likewise, by passing them to
16212 record_value_for_reg.
16213 (record_dead_and_set_regs): Invalidate stores made by a
16214 call. We do not combine across a call, but we still
16215 relied on equivalences.
16217 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16219 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16220 vrp_int_const_binop returning non-constant nodes.
16222 2006-01-16 Paul Brook <paul@codesourcery.com>
16224 * config/m68k/m68k.c (output_move_const_into_data_reg):
16225 Output correct mnemonic for mvz and mvs.
16227 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16229 * rtl-factoring.c: Add sequence abstraction algorithm.
16230 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16231 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16233 (block_has_preserve_label): New function.
16234 * common.opt: Register new pass.
16235 * Makefile.in: Ditto.
16237 * timevar.def: Ditto.
16238 * tree-pass.h: Ditto.
16239 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16240 * rtl.h (make_jump_insn_raw): Add forward decl.
16241 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16243 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16244 Roger Sayle <roger@eyesopen.com>
16246 * fold-const.c (fold_minmax): New static function.
16247 (fold_binary) <MIN_EXPR>: Call it.
16248 <MAX_EXPR>: Likewise.
16249 * stor-layout.c (place_field): Use DECL_SIZE consistently
16250 in the computation of the new record size.
16252 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16254 * cse.c (cse_condition_code_reg): Make it static.
16255 * rtl.h: Remove the prototype for cse_condition_code_reg.
16257 * combine.c (combine_instructions): Make it static.
16258 * rtl.h: Remove the prototype for combine_instructions.
16260 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16263 * tree.c (get_file_function_name_long): Concatenate the first global
16264 object name with a string derived from the input filename of the object
16267 2006-01-16 Ben Elliston <bje@au.ibm.com>
16269 * config/i386/winnt-stubs.c: Update FSF address.
16270 * config/xtensa/ieee754-df.S: Ditto.
16271 * config/xtensa/ieee754-sf.S: Ditto.
16273 2006-01-14 Ian Lance Taylor <ian@airs.com>
16275 * ifcvt.c (noce_init_if_info): New static function, broken out of
16276 noce_process_if_block.
16277 (noce_process_if_block): Call noce_init_if_info.
16278 (check_cond_move_block): New static function.
16279 (cond_move_process_if_block): New static function.
16280 (process_if_block): Call cond_move_process_if_block.
16282 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16284 * cselib.c (hash_table): Rename to cselib_hash_table.
16285 (cselib_clear_table, discard_useless_values,
16286 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16287 cselib_init, cselib_finish): Adjust uses of hash_table.
16289 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16291 PR tree-optimization/25485
16292 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16293 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16294 is known to be false and true, respectively.
16296 2006-01-14 Richard Guenther <rguenther@suse.de>
16298 PR tree-optimization/22548
16299 PR tree-optimization/22555
16300 PR tree-optimization/22501
16301 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16302 * params.def (salias-max-array-elements): New parameter.
16303 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16304 * doc/invoke.texi (salias-max-array-elements): Document.
16305 * tree-flow-inline.h (var_can_have_subvars): We also handle
16307 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16309 * tree-ssa-structalias.c (params.h): Include.
16310 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16311 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16312 (get_constraint_for): For ADDR_EXPR operating on something
16313 containing an ARRAY_REF, add all subvars to the solution.
16314 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16315 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16316 for creating MUST_DEFs.
16317 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16319 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16321 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16323 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16324 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16325 number_of_iterations_le): New functions.
16326 (number_of_iterations_special): Removed.
16327 (number_of_iterations_exit): Do not use number_of_iterations_special.
16328 * tree.c (unsigned_type_for): Always return integer type.
16330 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16331 Richard Guenther <rguenther@suse.de>
16333 PR rtl-optimization/24257
16334 * gcse.c (find_moveable_store): Only consider a store movable
16335 when the SET_SRC of the insn can be assigned to a register.
16337 2006-01-14 Ian Lance Taylor <ian@airs.com>
16339 * tree.c (tree_not_class_check_failed): New function.
16340 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16341 (tree_not_class_check_failed): Declare.
16343 2006-01-13 Ian Lance Taylor <ian@airs.com>
16345 * reload1.c (do_output_reload): Add assertion rejecting a
16348 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16350 * combine.c (struct reg_stat): Add new fields truncation_label and
16352 (record_value_for_reg): Reset truncated_to_mode.
16353 (record_truncated_value): New function.
16354 (check_promoted_subreg): Call it. Rename to check_conversions.
16355 (combine_instructions): Rename check_promoted_subreg to
16357 (reg_truncated_to_mode): New function.
16358 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16359 (gen_lowpart_or_truncate): New function.
16360 (force_to_mode): Use it instead of gen_lowpart.
16362 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16364 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16365 VAR is a tag, not its type tag.
16367 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16369 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16370 alternatives to match style of other entries.
16371 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16373 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16375 PR tree-optimization/25771
16376 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16379 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16382 * tree-inline.c (declare_return_variable): If the return variable
16383 was marked as a non gimple complex, set the return slot variable
16384 to be a non gimple comple variable.
16386 2006-01-13 Richard Guenther <rguenther@suse.de>
16388 * builtins.c (expand_builtin_sincos): New function.
16389 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16391 (expand_builtin): Expand sincos using expand_builtin_sincos.
16393 2006-01-12 DJ Delorie <dj@redhat.com>
16395 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16396 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16397 so that constant shifts can be split.
16398 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16399 (m32c_valid_pointer_mode): Make static.
16400 (shift_gen_func_for): New.
16401 (m32c_prepare_shift): Use it. Split large const shifts into
16403 * config/m32c/predicates.md (shiftcount_operand): Allow more
16405 (longshiftcount_operand): New.
16406 * doc/md.texi (Machine Constraints): Document In6.
16408 2006-01-13 Ben Elliston <bje@au.ibm.com>
16410 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16411 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16414 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16416 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16417 to try to avoid clobbering pieces of structures when we know
16418 something about the whole structure.
16419 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16421 2006-01-13 Ben Elliston <bje@au.ibm.com>
16423 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16424 return in memory, as this is no limitation is no longer present.
16426 2006-01-12 DJ Delorie <dj@redhat.com>
16428 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16429 mova with fb, and for fb+0 -> An.
16431 * config/m32c/mov.md (peephole2): Fix enabling logic.
16433 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16434 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16435 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16436 FINI_ARRAY_SECTION_ASM_OP): Define.
16438 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16440 (m32c_legitimize_reload_address): New logic to reload FB to An.
16441 (m32c_output_reg_push): Add newline.
16442 (m32c_output_reg_pop): Likewise.
16444 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16446 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16448 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16450 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16452 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16454 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16457 2006-01-11 Ben Elliston <bje@au.ibm.com>
16459 * rtlanal.c (find_reg_note): Assert insn is not null.
16461 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16463 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16466 2006-01-11 Jeff Law <law@redhat.com>
16468 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16470 (mark_threaded_blocks, register_jump_thread): New functions.
16471 (thread_through_all_blocks): Remove unwanted argument. No
16472 longer rely on e->aux to communicate thread target info.
16473 Call mark_threaded_blocks. Release the threaded_blocks
16474 bitmap and threaded_edges vector when complete.
16475 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16476 (threaded_blocks): Remove.
16477 (tree_ssa_dominator_optimize): Remove initialization and
16478 finalization of threaded_blocks. Simplify call to
16479 thread_through_all_blocks.
16480 (thread_across_edge): Call register_jump_thread rather than
16481 storing thread information into e->aux.
16482 (free_all_edge_infos): Simplify now that e->aux is no longer
16483 used to communicate with thread_through_all_blocks.
16484 * tree-flow.h (thread_through_all_blocks): Update prototype.
16485 (register_jump_thread): Prototype.
16487 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16489 * df-core.c (df_compact_blocks, df_bb_replace): Use
16490 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16492 2006-01-11 Richard Guenther <rguenther@suse.de>
16494 PR tree-optimization/25734
16495 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16496 stop propagation after successful propagation to the LHS.
16498 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16500 * basic-block.h (control_flow_graph): Change the type of
16501 x_basic_block_info to VEC(basic_block,gc) *.
16502 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16504 (SET_BASIC_BLOCK): New.
16505 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16506 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16507 * cfgbuild.c (find_basic_blocks): Likewise.
16508 * cfglayout.c (fixup_reorder_chain): Likewise.
16509 * cfgrtl.c (create_basic_block_structure,
16510 rtl_create_basic_block): Likewise.
16511 * ifcvt.c (find_if_case_1): Likewise.
16512 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16515 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16517 * Makefile.in: Removed rotted odf.c entry.
16519 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16522 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16523 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16524 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16525 output pattern modifier, not %e.
16526 * config/cris/cris.c (cris_op_str): Update comment about pattern
16528 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16529 before falling through into...
16530 <case 'E'>: Redefined from old 'e' case.
16532 2006-01-11 Jan Hubicka <jh@suse.cz>
16535 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16537 2006-01-11 Jan Hubicka <jh@suse.cz>
16539 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16540 * i386.c (x86_decompose_lea): Kill.
16541 (ix86_rtx_costs): Kill.
16543 2006-01-11 Jan Hubicka <jh@suse.cz>
16545 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16546 * cgraph.h (cgraph_node): Add inline_decl.
16547 (cgraph_insert_node_to_hashtable): Declare.
16548 (save_inline_function_body): Declare.
16549 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16551 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16552 (cgraph_function_versioning): Update call of tree_function_versioning.
16553 (save_inline_function_body): New function.
16554 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16555 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16556 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16557 (cgraph_default_inline_p): Likewise.
16558 (cgraph_decide_inlining_incrementally): Likewise.
16559 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16560 (copy_bb): Kill saving; do updating of clones.
16561 (copy_cfg_body): Kill saving.
16562 (initialize_inlined-parameters): Likewise.
16563 (expand_call_inline): Likewise.
16565 (tree_function_versioning): New parameter "update_clones".
16566 (inlining_p): Kill saving.
16567 * tree-inline.h (tree_function_versioning): Update prototype.
16568 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16571 2006-01-11 Ian Lance Taylor <ian@airs.com>
16573 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16574 Allow undoing set of machine mode.
16575 (do_SUBST): Use enums instead of is_int.
16576 (do_SUBST_MODE): New function.
16577 (SUBST_MODE): New macro.
16578 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16579 reg and trying to replace reg_regno_rtx with a new register.
16580 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16581 (simplify_set): Use SUBST_MODE.
16582 (distribute_notes): Remove code that tried to update reg notes
16583 for regno_reg_rtx changes.
16585 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16587 PR tree-optimization/23109
16588 PR tree-optimization/23948
16589 PR tree-optimization/24123
16591 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16592 * tree-cfg.c (single_noncomplex_succ): New.
16593 * tree-flow.h (single_noncomplex_succ): Declare it.
16594 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16595 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16596 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16597 insert_bb, register_division_in, insert_reciprocals,
16598 replace_reciprocal, free_bb): New.
16599 (execute_cse_reciprocals_1): Rewritten.
16600 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16601 Do not commit any edge insertion. Always compute dominators and
16602 create the allocation pool.
16603 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16604 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16605 * targhooks.c (default_min_divistions_for_recip_mul): New.
16606 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16607 * passes.c (init_optimization_passes): Run recip after tree loop
16609 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16611 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16612 Kenneth Zadeck <zadeck@naturalbridge.com>
16614 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16615 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16616 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16617 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16618 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16619 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16620 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16621 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16622 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16623 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16624 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16625 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16626 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16627 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16628 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16629 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16630 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16631 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16632 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16633 DF_SCAN_POST_ALLOC): New macros.
16634 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16635 df_free_bb_function, df_local_compute_function, df_init_function,
16636 df_dataflow_function, df_confluence_function_0,
16637 df_confluence_function_n, df_transfer_function,
16638 df_finalizer_function, df_free_function, df_dump_problem_function,
16639 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16640 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16641 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16642 df_urec_bb_info, ) New types.
16643 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16645 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16646 df_analyze_simple_change_some_blocks,
16647 df_analyze_simple_change_one_block, df_compact_blocks,
16648 df_bb_replace, df_bb_regno_last_use_find,
16649 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16650 df_insn_regno_def_p, df_find_def, df_find_use,
16651 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16652 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16653 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16654 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16655 debug_df_chain, df_get_dependent_problem, df_chain_create,
16656 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16657 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16658 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16659 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16660 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16661 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16662 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16663 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16664 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16665 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16666 df_reorganize_refs, df_set_state, df_hard_reg_init,
16667 df_read_modify_subreg_p) New public functions.
16668 * df-core.c: The core dataflow solver and glue routines for rtl
16670 (df_init, df_add_problem, df_set_blocks, df_finish,
16671 df_hybrid_search_forward, df_hybrid_search_backward,
16672 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16673 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16674 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16675 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16676 df_reg_defined, df_find_use, df_reg_used, df_dump,
16677 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16678 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16679 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16680 debug_df_useno, reset_df_after_reload): New functions.
16681 * df-scan.c: The scanning fuctions, once in df.c, completely
16682 rewritten so that they now fully model the functionality of
16683 register usage at the backend.
16684 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16685 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16686 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16687 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16688 df_get_artificial_defs, df_get_artificial_uses,
16689 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16690 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16691 df_refs_delete, df_reorganize_refs, df_set_state,
16692 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16693 df_def_record_1, df_defs_record, df_uses_record,
16694 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16695 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16696 df_record_exit_block_uses, df_hard_reg_init): New functions.
16698 * df-problems.c: Seven concrete dataflow problems that use the
16699 scanning in df-scan.c and are solved by the engine in df-core.c.
16700 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16701 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16702 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16703 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16704 df_ru_free_bb_info, df_ru_alloc,
16705 df_ru_bb_local_compute_process_def,
16706 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16707 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16708 df_ru_transfer_function, df_ru_free, df_ru_dump,
16709 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16710 df_rd_free_bb_info, df_rd_alloc,
16711 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16712 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16713 df_rd_transfer_function, df_rd_free, df_rd_dump,
16714 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16715 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16716 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16717 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16718 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16719 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16720 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16721 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16722 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16723 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16724 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16725 df_urec_mark_reg_use_for_earlyclobber,
16726 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16727 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16728 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16729 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16730 df_chain_create_bb_process_use, df_chain_create_bb,
16731 df_chain_finalize, df_chain_free, df_chains_dump,
16732 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16733 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16734 df_reg_lifetime): New functions.
16735 * df.c: Deleted file.
16736 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16737 consistent with new df api.
16738 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16739 rest_of_handle_sms): Ditto.
16740 * web.c (unionfind_union, union_defs, entry_register, web_main):
16742 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16743 invariant_expr_equal_p, find_defs, check_dependencies,
16744 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16745 free_inv_motion_data, move_loop_invariants): Ditto.
16746 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16747 Update dependencies.
16748 (odf.c): Added defective entry that was deleted later in day.
16749 * sched-deps.c (sched_analyze_1): Ditto.
16751 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16753 * tree-ssa-operands.c (get_expr_operands): Record addressable
16754 variables directly. Do not call add_stmt_operands for CONST_DECLs
16756 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16757 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16759 2006-01-11 Ben Elliston <bje@au.ibm.com>
16761 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16762 function returns true in the positive case.
16764 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16767 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16768 for SI, DI, SF and DF modes. Add alternatives to copy between
16769 general and floating point registers to the 32-bit patterns.
16770 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16771 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16772 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16773 generating 64-bit code.
16774 * config/pa/pa.c (output_move_double): Handle copies between general
16775 and floating registers.
16777 2006-01-10 Stuart Hastings <stuart@apple.com>
16779 * config/i386/i386.md (set_got): Update.
16780 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16781 (builtin_setjmp_receiver): Mach-O support.
16782 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16783 (GOT_SYMBOL_NAME): Define.
16784 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16785 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16786 * config/i386/i386.c (override_options): Revise for Darwin.
16787 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16788 support. (darwin_x86_file_end): New. (output_set_got): Add label
16789 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16790 * config/i386/i386-protos.h (output_set_got): Likewise.
16791 * config/darwin.c (machopic_legitimize_pic_address): Update
16794 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16796 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16797 when MODE isn't BLKmode.
16799 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16801 PR rtl-optimization/25367
16802 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16804 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16807 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16808 for a negative bound.
16810 2006-01-10 Richard Guenther <rguenther@suse.de>
16812 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16813 Never override with anything constraint.
16815 2006-01-10 Jan Beulich <jbeulich@novell.com>
16817 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16818 256 bits when optimize_size.
16820 2006-01-10 Jan Beulich <jbeulich@novell.com>
16822 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16824 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16825 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16828 2006-01-10 Ben Elliston <bje@au.ibm.com>
16830 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16832 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16833 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16834 (USE_FP_FOR_ARG): Reject decimal float modes.
16835 (function_arg_advance): Likewise.
16836 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16837 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16838 point types in AltiVec vectors.
16839 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16840 (rs6000_libcall_value): Likewise.
16842 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16844 * config/xtensa/ieee754-df.S: New file.
16845 * config/xtensa/ieee754-sf.S: New file.
16846 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16847 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16848 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16850 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16852 * config/sh/predicates.md (binary_float_operator,
16853 binary_logical_operator, commutative_float_operator,
16854 equality_comparison_operator, greater_comparison_operator,
16855 less_comparison_operator, logical_operator,
16856 noncommutative_float_operator, shift_operator,
16857 symbol_ref_operand, unary_float_operator): Remove redundant
16860 2006-01-09 Jeff Law <law@redhat.com>
16862 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16863 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16864 now unused arguments. Callers updated.
16865 (eliminate_redundant_computations): Remove now unused arguments,
16867 (local_fold): Remove, no longer used.
16868 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16870 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16871 (simplify_cond): New function.
16872 (forward_propagate_into_cond): Call simplify_cond.
16874 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16876 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16877 (*vec_extractv2di_1_sse): New.
16879 2006-01-09 Ben Elliston <bje@au.ibm.com>
16881 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16883 2006-01-08 Richard Guenther <rguenther@suse.de>
16885 * tree-ssa-structalias.c (get_constraint_for): Remove
16886 anyoffset argument.
16887 (get_constraint_for_component_ref): Likewise.
16888 (do_deref): Likewise.
16889 (get_constraint_for): Likewise.
16890 (do_structure_copy): Likewise.
16891 (handle_ptr_arith): Likewise.
16892 (find_func_aliases): Likewise. Remove unused need_anyoffset
16895 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16896 Kaz Kojima <kkojima@gcc.gnu.org>
16898 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16899 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16900 (EXTRA_CONSTRAINT_C16): Remove.
16901 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16902 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16903 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16904 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16905 constants of SHmedia. Handle nested constant expressions of
16907 (andcosts): Fix the costs for SHmedia constants.
16908 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16909 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16910 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16911 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16912 (movv4hi_i, movv2si_i): Likewise.
16913 (movsi_const): Adjust the second operand of ior so to match with
16914 the Csu constraint.
16915 (movdi_const, movdi_const_32bit): Likewise.
16916 (movdi_const_16bit+1): Don't sign-extend LOW.
16917 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16919 (*double_shori): Fix the split condition. Use GEN_INT instead
16920 of get_int_mode calls. Mask lower 16-bit of the argument of
16922 (sym2GOTPLT): Remove.
16923 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16925 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16926 instead of EXTRA_CONSTRAINT_C16.
16928 2006-01-07 Ian Lance Taylor <ian@airs.com>
16929 David Edelsohn <edelsohn@gnu.org>
16931 PR rtl-optimization/25662
16932 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16933 for constant operands instead of simplify_gen_binary.
16934 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16935 after trying simplify_binary_operation
16937 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16939 * tree.c (iterative_hash_expr): Hash decls based on UID.
16941 2006-01-06 Eric Christopher <echristo@apple.com>
16943 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16944 (TARGET_UNWIND_EMIT): Fix spelling.
16945 * target.h (gcc_target): Add except_table_label.
16946 * except.c (output_function_exception_table): Use.
16947 * varasm.c (default_emit_except_table_label): New.
16948 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16950 (asm_out): Add here.
16951 * output.h (default_emit_except_table_label): Prototype.
16952 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16953 * config/darwin.c (darwin_emit_except_table_label): Define.
16954 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16956 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16958 PR tree-optimization/18527
16959 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16960 number_of_iterations_special, number_of_iterations_exit):
16961 Move base and step of an iv to a single structure. Add
16962 no_overflow flag, and use it in # of iterations analysis.
16963 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16964 folded_casts argument.
16965 (simple_iv): Pass base and step in a structure. Set no_overflow
16967 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16968 Evaluate expensiveness of computing # of iterations instead of
16969 the final expression.
16970 * tree-scalar-evolution.h (affine_iv): New structure.
16971 (simple_iv): Declaration changed.
16972 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16973 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16974 find_givs_in_stmt): Changed due to simple_iv change.
16976 2006-01-06 Jeff Law <law@redhat.com>
16979 * tree-cfg.c (bsi_replace): Rename final argument from
16980 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16981 change (stmt -> orig_stmt).
16982 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16983 (bsi_remove): Add new argument. Remove EH information
16985 (verify_eh_throw_table_statements): New function.
16986 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16988 * tree-optimize.c (execute_free_cfg_annotations): Verify
16989 the EH throw statement table after removing annotations.
16990 * except.h (verify_eh_throw_table_statements): Prototype.
16991 * tree-flow.h (bsi_remove): Update prototype.
16992 * tree-vrp.c (remove_range_assertions): Add new argument to
16994 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16995 * tree-complex.c (expand_complex_div_wide): Likewise.
16996 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16997 * tree-tailcall.c (eliminate_tailcall): Likewise.
16998 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16999 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17000 * tree-nrv.c (tree_nrv): Likewise.
17001 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17002 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17003 (combine_blocks): Likewise.
17004 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17005 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17006 (cleanup_control_flow): Likewise.
17007 (remove_forwarder_block): Likewise.
17008 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17009 * tree-sra.c (sra_replace): Likewise.
17010 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17011 (forward_propagate_single_use_vars): Likewise.
17012 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17013 * tree-inline.c (expand_call_inline): Likewise.
17014 * tree-vect-transform.c (vect_transform_loop): Likewise.
17015 * tree-outof-ssa.c (rewrite_trees): Likewise.
17016 * tree-cfg.c (make_goto_expr_edges): Likewise.
17017 (cleanup_dead_labels): Likewise.
17018 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17019 (bsi_move_before, bsi_move_after): Likewise.
17020 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17021 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17023 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17026 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17028 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17029 on non gimple variables. Also add checks at the top for decls and
17031 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17033 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17034 and IMAGPART_EXPR for creating MUST_DEFs.
17035 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17036 and NAME_MEMORY_TAG separately from the DECLs.
17038 2006-01-06 Richard Guenther <rguenther@suse.de>
17040 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17041 annotation, if necessary.
17042 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17043 redundant calls to update_stmt.
17044 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17047 2006-01-05 Richard Henderson <rth@redhat.com>
17049 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17051 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17053 * c-typeck.c: Update copyright date.
17055 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17057 * c-typeck.c (build_c_cast): Always warn when casting
17058 from a pointer to an integer of different size, even if
17059 the node was constant.
17061 2006-01-05 Richard Guenther <rguenther@suse.de>
17063 PR tree-optimization/22555
17064 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17065 if one structure field is an array.
17066 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17067 operands even if we found a subvar, but ignore VOPs in this
17069 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17071 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17073 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17075 PR middle-end/24998
17076 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17078 2006-01-05 Richard Guenther <rguenther@suse.de>
17079 Diego Novillo <dnovillo@redhat.com>
17081 * tree-pass.h (TODO_remove_unused_locals): Define.
17082 * gimple-low.c (expand_var_p, remove_useless_vars,
17083 pass_remove_useless_vars): Remove. Update all users.
17084 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17085 (remove_unused_locals): New function.
17086 * tree-flow.h (remove_unused_locals): Declare.
17087 * passes.c (execute_todo): Call remove_unused_locals if
17088 TODO_remove_unused_locals is set.
17089 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17090 * tree-ssa-dce.c (pass_dce): Likewise.
17091 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17093 2006-01-05 Richard Guenther <rguenther@suse.de>
17095 * tree-flow.h (struct fieldoff): Decompose field to
17096 type, size and decl.
17097 * tree-ssa-alias.c (create_sft): Take type as parameter.
17098 (create_overlap_variables_for): Store type, size and decl
17099 in the fieldoff structure.
17100 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17101 of struct fieldoff.
17102 (push_fields_onto_fieldstack): Likewise.
17103 (create_variable_info_for): Likewise. Use offset for the
17104 SFT name if the decl is not available.
17106 2006-01-04 Paul Brook <paul@codesourcery.com>
17108 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17110 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17112 * lambda-code.c (can_put_in_inner_loop): Relax
17114 (can_put_after_inner_loop): New function.
17115 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17116 (perfect_nestify): Change to make copies and modify uses.
17118 2006-01-04 Richard Henderson <rth@redhat.com>
17120 Merge from gomp branch:
17121 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17122 via integer constant.
17123 (pragma_lex): Remove.
17124 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17125 rather than parsing it.
17126 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17127 handle_pragma_extern_prefix): Add %< %> quotes.
17128 (registered_pragmas): New.
17129 (c_register_pragma_1): New.
17130 (c_register_pragma): Use it.
17131 (c_register_pragma_with_expansion): Likewise.
17132 (c_invoke_pragma_handler): New.
17133 (init_pragma): Use cpp_register_deferred_pragma directly for
17135 * c-pragma.h (enum pragma_kind): New.
17136 (pragma_handler): New.
17137 (c_invoke_pragma_handler): Declare.
17138 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17140 * c-common.h (c_common_pch_pragma): Update decl.
17141 * Makefile.in (c-parser.o): Update dependencies.
17142 (GTFILES): Add c-pragma.h.
17143 * c-parser.c (struct c_token): Add pragma_kind.
17144 (struct c_parser): Add in_pragma.
17145 (c_lex_one_token): Always initialize keyword and pragma_kind.
17146 Extract data for CPP_PRAGMA.
17147 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17148 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17149 Don't allow CPP_PRAGMA_EOL if in_pragma.
17150 (c_parser_consume_pragma): New.
17151 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17152 (c_parser_skip_to_end_of_parameter): Likewise.
17153 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17154 (c_parser_skip_to_pragma_eol): New.
17155 (c_parser_external_declaration): Handle CPP_PRAGMA.
17156 (c_parser_compound_statement_nostart): Likewise.
17157 (c_parser_statement_after_labels): Likewise.
17158 (c_parser_pragma): New.
17159 (pragma_lex): Likewise.
17160 (c_parser_pragma_pch_preprocess): New.
17161 (c_parser_new): Merge into ...
17162 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17164 2006-01-04 Jeff Law <law@redhat.com>
17167 * tree-cfg.c (bsi_replace): Remove the original statement
17168 from the EH throw statement table.
17170 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17172 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17173 make the prototype extern "C" and add throw ().
17176 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17177 and pos non-negative and pos + len <= 32.
17178 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17179 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17180 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17183 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17184 as well as sizes not multiple of component size.
17187 * function.c (instantiate_expr): New function.
17188 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17189 walk its DECL_VALUE_EXPR with instantiate_expr.
17191 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17192 DW_OP_deref{,_size} if address isn't going to be added.
17194 2006-01-04 Ben Elliston <bje@au.ibm.com>
17196 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17197 * config/fp-bit.c: Likewise.
17199 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17201 * dominance.c: Add comment about why we use DFS numbering
17204 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17205 Richard Henderson <rth@redhat.com>
17207 Merge from gomp-branch:
17208 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17209 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17211 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17213 PR rtl-optimization/25578
17214 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17215 pass a parameter to simplify_shift_const if changing ASHIFTRT
17218 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17220 * builtins.c (get_builtin_sync_mem): New function.
17221 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17222 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17223 Call get_builtin_sync_mem to generate mem rtx.
17225 2006-01-03 Richard Guenther <rguenther@suse.de>
17228 * stmt.c (add_case_node): Make sure to clear overflow flags
17231 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17233 Merge from gomp-branch.
17234 * config/sparc/sync.md: New file.
17235 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17236 UNSPECV_LDSTUB): New constants.
17237 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17238 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17239 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17242 2006-01-03 Roger Sayle <roger@eyesopen.com>
17244 * combine.c (reg_subword_p): New predicate to test whether the
17245 destination of a set refers to a subword/piece of a register.
17246 (try_combine): Generalize the code to merge the setting of a
17247 pseudo to a constant followed by a set of a subword of that
17248 register to a constant.
17250 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17252 * basic-block.h (control_flow_graph): Change the type of
17253 x_label_to_block_map to VEC(basic_block,gc) *.
17254 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17255 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17257 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17258 VEC(basic_block,heap) *.
17259 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17260 ssa_prop_fini): Adjust the uses of cfg_blocks.
17262 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17264 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17266 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17267 hashing trees instead of a pointer hash.
17268 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17269 compare for MEM_EXPR.
17271 PR rtl-optimization/25130
17272 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17273 when comparing MEMs for GCSE
17275 2006-01-03 Ben Elliston <bje@au.ibm.com>
17277 * targhooks.h (default_decimal_float_supported_p): Declare.
17278 * targhooks.c (default_decimal_float_supported_p): Define.
17279 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17280 `default_decimal_float_supported_p'.
17281 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17283 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17285 * combine.c (apply_distributive_law <SUBREG>): Check
17286 TRULY_NOOP_TRUNCATION.
17288 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17290 * dwarf2out.c (have_switched_text_section): Delete.
17291 (have_multiple_function_sections): New.
17292 (have_location_lists): Make 'bool'.
17293 (add_AT_loc_list): Use 'true' not '1'.
17294 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17295 (output_loc_list): Use have_multiple_function_sections.
17296 (output_ranges): Likewise.
17297 (dwarf2out_begin_function): Set have_multiple_function_sections if
17299 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17300 Check function_section rather than DECL_SECTION_NAME.
17301 (dwarf2out_finish): Use have_multiple_function_sections.
17302 Don't clear have_location_lists.
17304 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17305 Jan Hubicka <jh@suse.cz>
17307 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17308 case of conditional jump jumping to the next instruction.
17309 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17310 cases of conditional jump jumping to the next instruction.
17312 2006-01-02 Jan Hubicka <jh@suse.cz>
17314 * i386.c (*_cost): Add COSTS_N_INSNS.
17315 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17317 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17320 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17322 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17324 * config/arm/arm.c (all_fpus): Fix comment typo.
17325 * config/darwin.c: Likewise.
17326 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17327 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17328 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17330 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17332 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17333 (rs6000_split_compare_and_swapqhi): New.
17334 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17335 (sync_compare_and_swapqhi_internal): New.
17336 * config/rs6000/rs6000-protos.h: Declare.