1 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
4 * except.c (switch_to_exception_section): Do not cache the section
5 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
6 and flag_function_sections is set.
8 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11 * builtins.c (do_mpfr_sincos): New.
12 (fold_builtin_1): Use it to fold builtin sincos.
14 2006-11-01 Roger Sayle <roger@eyesopen.com>
16 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
19 2006-11-01 Roger Sayle <roger@eyesopen.com>
21 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
22 whether the assembler supports taking the difference of symbols in
23 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
24 * configure: Regenerate.
25 * config.in: Regenerate.
26 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
27 the assembler doesn't support taking the difference of symbols in
28 different sections, i.e. we're using the native solaris assembler.
30 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
31 Peter Bergner <bergner@vnet.ibm.com>
33 * doc/invoke.texi: Add cpu_type power6x
34 (RS/6000 and PowerPC Options): Add -mmfpgpr.
35 * config.gcc: Add cpu_type power6x.
36 * configure.ac: Add test for mf{t,f}gpr instructions.
37 (HAVE_AS_MFPGPR): New.
38 * config.in: Regenerate.
39 * configure: Regenerate.
40 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
41 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
42 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
43 and mftgpr attributes.
44 (define_attr "cpu"): Add power6.
45 Change instruction sequences to use new attributes.
46 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
47 (fix_truncdfsi2_mfpgpr): New.
48 (floatsidf_ppc64_mfpgpr): New.
49 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
50 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
51 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
52 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
53 (fix_truncdfsi2): Use gpc_reg_operand constraint.
54 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
55 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
56 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
57 cntlz,exts and var_delayed_compare.
58 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
59 _ARCH_PWR6X, if features enabled.
60 * config/rs6000/rs6000.opt (mmfpgpr): New.
61 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
62 (cached_can_issue_more): New variable.
63 (processor_costs): Add power6_cost.
64 (rs6000_sched_init): New function.
65 (is_dispatch_slot_restricted): Deleted.
66 (set_to_load_agen): New function.
67 (is_load_insn,is_store_insn): New functions.
68 (adjacent_mem_locations): New function.
69 (insn_must_be_first_in_group): New function.
70 (insn_must_be_last_in_group): New function.
71 (rs6000_sched_reorder): New function.
72 (rs6000_sched_reorder2): New function.
73 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
74 TARGET_SCHED_REORDER2): Define.
75 (processor_target_table): Use PROCESSOR_POWER6 for power6.
76 Add power6x. Add MASK_MFPGPR for power6x.
77 (POWERPC_MASKS): Add MASK_MFPGPR.
78 (rs6000_override_options): Set rs6000_always_hint to false
79 for power6. Set rs6000_align_branch_targets. Replace
80 rs6000_sched_groups check with rs6000_align_branch_targets.
82 (last_scheduled_insn): New variable.
83 (load_store_pendulum): New variable.
84 (rs6000_variable_issue): Set last_scheduled_insn and
85 cached_can_issue_more.
86 (rs6000_adjust_cost): Add power6 cost adjustments.
87 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
88 with insn_must_be_first_in_group. Add power6 priority adjustments.
89 (rs6000_issue_rate): Add CPU_POWER6.
90 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
91 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
93 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
94 (ASM_CPU_SPEC): Add power6x.
95 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
97 * config/rs6000/power6.md: New file.
99 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
101 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
102 HOST_WIDE_INT_PRINT to print high and low parts. Use
103 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
104 printing a hexadecimal number prefix it with 0x.
106 2006-11-01 Chris Johns <chris@contemporary.net.au>
109 * Makefile.in (install-driver): Use exeext when installing
110 $target-gcc-$version.
112 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
114 * c-common.c (flag_cpp0x): New.
115 * c-common.h (flag_cpp0x): New.
116 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
117 supported, define __GXX_EXPERIMENTAL_CPP0X__.
118 * c-opts.c (set_std_cxx0x): New.
119 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
120 * c.opt (std=c++0x): Document.
121 (std=gnu++0x): Ditto.
122 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
123 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
125 2006-11-01 Richard Guenther <rguenther@suse.de>
127 * config/i386/i386.c (ix86_expand_rint): Fix issues with
129 (ix86_expand_floorceildf_32): Likewise.
130 (ix86_expand_floorceil): Likewise.
131 (ix86_expand_trunc): Likewise.
133 2006-10-31 Andrew Pinski <pinskia@gmail.com>
135 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
138 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
140 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
142 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
144 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
146 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
147 * configure.ac (use_cxa_atexit): As a special case, don't test
148 for libc definition of __cxa_atexit on mingw32
149 * configure: Regenerate.
150 * config.gcc (i[34567]86-pc-mingw32): Default to
151 enable__cxa_atexit=yes.
153 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
155 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
157 2006-10-31 Geoffrey Keating <geoffk@apple.com>
160 * c-decl.c (start_struct): Don't create self-containing
162 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
164 * config/rs6000/rs6000-protos.h
165 (darwin_rs6000_special_round_type_align): New.
166 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
167 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
169 2006-10-31 Geoffrey Keating <geoffk@apple.com>
171 * toplev.c (compile_file): Call final_write_globals
172 even if there have been errors.
174 2006-10-31 Eric Christopher <echristo@apple.com>
175 Falk Hueffner <falk@debian.org>
177 * doc/extend.texi (__builtin_bswap32): Document.
178 (__builtin_bswap64): Ditto.
179 * doc/libgcc.texi (bswapsi2): Document.
181 * doc/rtl.texi (bswap): Document.
182 * optabs.c (expand_unop): Don't widen a bswap.
183 (init_optabs): Init bswap. Set libfuncs explicitly
184 for bswapsi2 and bswapdi2.
185 * optabs.h (OTI_bswap): New.
186 (bswap_optab): Ditto.
187 * genopinit.c (optabs): Handle bswap_optab.
188 * tree.h (tree_index): Add TI_UINT32_TYPE and
190 (uint32_type_node): New.
191 (uint64_type_node): Ditto.
192 * tree.c (build_common_tree_nodes_2): Initialize
193 uint32_type_node and uint64_type_node.
194 * builtins.c (expand_builtin_bswap): New.
195 (expand_builtin): Call.
196 (fold_builtin_bswap): New.
197 (fold_builtin_1): Call.
198 * fold-const.c (tree_expr_nonnegative_p): Return true
200 * builtin-types.def (BT_UINT32): New.
202 (BT_FN_UINT32_UINT32): Ditto.
203 (BT_FN_UINT64_UINT64): Ditto.
204 * builtins.def (BUILT_IN_BSWAP32): New.
205 (BUILT_IN_BSWAP64): Ditto.
206 * rtl.def (BSWAP): New.
207 * genattrtab.c (check_attr_value): New.
208 * libgcc2.c (__bswapSI2): New.
210 * libgcc2.h (__bswapSI2): Declare.
212 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
213 * simplify-rtx.c (simplify_const_unary_operation): Return
215 * libgcc-std.ver (__bwapsi2): Add.
217 * reload1.c (eliminate_regs_1): Add bswap.
218 (elimination_effects): Ditto.
219 * config/i386/i386.h (x86_bswap): New.
221 * config/i386/i386.c (x86_bswap): Set.
223 2006-10-31 Geoffrey Keating <geoffk@apple.com>
225 * coverage.c (coverage_checksum_string): Update comment.
226 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
227 of get_file_function_name.
228 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
229 of get_file_function_name_long.
230 * tree.c (get_file_function_name): Rename from
231 get_file_function_name_long; improve comment; handle 'I' and 'D'
232 specially when the target has ctor/dtor support; remove special
234 (get_file_function_name): Remove.
235 * tree.h (get_file_function_name): Rename from
236 get_file_function_name_long.
237 (get_file_function_name): Remove prototype.
239 2006-10-31 Geoffrey Keating <geoffk@apple.com>
241 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
242 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
244 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
245 Call dsymutil when compiling and linking one or more source files
248 2006-10-31 Geoffrey Keating <geoffk@apple.com>
251 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
253 2006-10-31 Geoffrey Keating <geoffk@apple.com>
255 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
256 inline static functions in c99 mode.
259 * doc/extend.texi (Inline): Update.
260 * c-tree.h (struct language_function): Remove field 'extern_inline'.
261 * c-decl.c (current_extern_inline): Delete.
262 (pop_scope): Adjust test for an undefined nested function.
263 Add warning about undeclared inline function.
264 (diagnose_mismatched_decls): Update comments. Disallow overriding
265 of inline functions in a translation unit in C99. Allow inline
266 declarations in C99 at any time.
267 (merge_decls): Boolize variables. Handle C99 'extern inline'
269 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
270 C99 inline semantics.
271 (start_function): Don't clear current_extern_inline. Don't set
273 (c_push_function_context): Don't push current_extern_inline.
274 (c_pop_function_context): Don't restore current_extern_inline.
277 * c-typeck.c (build_external_ref): Warn about static variables
278 used in extern inline functions.
279 * c-decl.c (start_decl): Warn about static variables declared
280 in extern inline functions.
282 2006-10-31 Roger Sayle <roger@eyesopen.com>
285 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
286 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
287 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
288 or y is an even integer.
290 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
293 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
294 * gthr-posix95.h (__gthread_active_p): Likewise.
296 2006-10-31 Richard Guenther <rguenther@suse.de>
298 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
299 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
300 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
301 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
302 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
303 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
304 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
305 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
308 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
310 * opts.c (decode_options): Disable CSE skip blocks.
312 2006-10-30 Dirk Mueller <dmueller@suse.de>
314 * c-common.h (strict_aliasing_warning): Fix whitespace.
315 * c-decl (start_function): Move code for main decl warning ..
316 * c-common.c (check_main_parameter_types): .. here.
317 * c-common.h (check_main_parameter_types): Declare.
319 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
322 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
324 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
326 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
327 be a PARALLEL containing sets. Return false when out_pat is not
330 2006-10-30 Richard Sandiford <richard@codesourcery.com>
332 * config/mips/mips.md (mul<mode>3): Split into...
333 (mulsi3, muldi3): ...these separate patterns.
335 2006-10-30 Richard Sandiford <richard@codesourcery.com>
337 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
338 but with each set of options separated by spaces.
340 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
342 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
343 dwarf_reg_size_table has been initialized.
345 2006-10-30 Roger Sayle <roger@eyesopen.com>
347 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
348 * ddg.c (print_ddg_edge): Likewise.
349 * dwarf2out.c (prune_unused_types_walk): Likewise.
350 * ifcvt.c (noce_try_cmove_arith): Likewise.
351 * langhooks.c (add_builtin_function): Likewise.
352 * reg-stack.c (subst_stack_regs_pat): Likewise.
353 * tree.c (expanded_location): Likewise.
354 * tree-dump.c (dequeue_and_dump): Likewise.
356 2006-10-30 David Daney <ddaney@avtrex.com>
358 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
360 2006-10-30 Jakub Jelinek <jakub@redhat.com>
362 PR tree-optimization/29637
363 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
364 of the innertype is the innertype itself.
366 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
368 * dwarf2out.c (file_name_acquire): Correct typo.
370 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
372 * tree.h (tree_value_handle): Remove struct value_set declaration.
373 Change value_set to bitmap_set.
374 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
375 * tree-vn.c (get_value_handle): Made inline and moved to
377 * tree-flow-inline.h: (has_stmt_ann): New function.
378 * tree-ssa-pre.c (expressions): New variable.
379 (next_expression_id): Ditto.
380 (alloc_expression_id): New function.
381 (struct value_set): Remove.
382 (get_expression_id): New function.
383 (get_or_alloc_expression_id): Ditto.
384 (expression_for_id): Ditto.
385 (clear_expression_ids): Ditto.
386 (FOR_EACH_EXPR_ID_IN_SET): New macro.
387 (bb_value_sets): Renamed to bb_bitmap_sets.
388 All value sets replaced with bitmap_sets.
390 (BB_VISITED): New macro.
391 (postorder): New variable.
392 (add_to_value): Removed.
393 (value_exists_in_set_bitmap): Ditto.
394 (value_insert_into_set_bitmap): Ditto.
398 (set_contains_value): Ditto.
399 (insert_into_set): Ditto.
401 (find_leader): Ditto.
402 (bitmap_set_subtract_from_value_set): Ditto.
403 (value_insert_into_set): Ditto.
404 (print_value_set): Ditto.
405 (debug_value_set): Ditto.
406 (constant_expr_p): New function.
407 (bitmap_remove_from_set): Ditto.
408 (bitmap_insert_into_set): Ditto.
409 (bitmap_set_free): Ditto.
411 (sorted_array_from_bitmap_set): Ditto.
412 (bitmap_set_subtract): Ditto.
413 (bitmap_set_equal): Ditto.
414 (debug_bitmap_set): Ditto.
415 (find_leader_in_sets): Ditto.
416 (bitmap_set_replace_value): Modify for bitmapped sets.
417 (phi_translate): Ditto.
418 (phi_translate_set): Ditto.
419 (bitmap_find_leader): Ditto.
420 (valid_in_sets): Ditto.
421 (union_contains_value): Ditto.
423 (compute_antic_aux): Ditto. Mark changed blocks.
424 (compute_antic): Ditto. Iterate in postorder and only over
426 (compute_rvuse_and_antic_safe): Reuse postorder.
427 (create_component_ref_by_pieces): Modify for bitmapped sets.
428 (find_or_generate_expression): Ditto.
429 (create_expression_by_pieces): Ditto.
430 (insert_into_preds_of_block): Ditto.
431 (changed_blocks): New variable.
432 (do_regular_insertion): Broken out from insert_aux.
433 (insert_aux): Modified for bitmapped sets.
434 (find_existing_value_expr): New function.
435 (create_value_expr_from): Use it.
436 (insert_extra_phis): Removed.
437 (print_bitmap_set): Renamed from bitmap_print_value_set.
438 (compute_avail): Handle RETURN_EXPR.
439 (init_pre): Modify for bitmapped sets.
440 * tree-flow.h (has_stmt_ann): New function.
442 2006-10-29 Roger Sayle <roger@eyesopen.com>
444 * builtins.c (fold_builtin_floor): Check for the availability of
445 the C99 trunc function before transforming floor into trunc.
447 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
449 * builtins.c (fold_builtin_hypot): Rearrange recursive
450 transformation before others, and also do ABS_EXPR. When
451 necessary, check flag_unsafe_math_optimizations. When necessary,
454 2006-10-29 Roger Sayle <roger@eyesopen.com>
456 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
457 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
458 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
459 Fold -X eq/ne -Y as X eq/ne Y.
461 2006-10-29 Richard Sandiford <richard@codesourcery.com>
463 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
464 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
465 rather than GENERATE_MULT3_SI in the various define_peephole2s.
466 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
467 Use an inclusive test for "mult" rather than "mul".
468 (rotr<mode>3): Depend on ISA_HAS_ROR.
469 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
471 (GENERATE_MULT3_DI): Delete.
472 (ISA_HAS_64BIT_REGS): Use consistent formatting.
473 (ISA_HAS_MUL3): New macro.
474 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
475 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
476 (ISA_HAS_CLZ_CLO): Likewise.
477 (ISA_HAS_DCLZ_DCLO): Delete.
478 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
479 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
480 the VR4120 and VR4130.
481 (ISA_HAS_MACCHI): Use consistent formatting.
482 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
483 (ISA_HAS_ROR): ...this new macro.
484 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
485 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
486 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
488 2006-10-29 Roger Sayle <roger@eyesopen.com>
490 PR tree-optimization/15458
491 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
494 2006-10-29 Richard Guenther <rguenther@suse.de>
496 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
497 (ix86_expand_truncdf_32): Likewise.
498 * config/i386/i386.c (ix86_expand_trunc): New function expanding
499 trunc inline for SSE math and -fno-trapping-math and if not
501 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
502 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
503 for expanding btrunc inline for SSE math.
505 2006-10-29 Joseph Myers <joseph@codesourcery.com>
507 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
508 Handle tuning for bi-arch i[34567]86-*-linux* like that for
509 i[34567]86-*-solaris2.1[0-9]*.
510 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
511 Define conditionally depending on TARGET_64BIT_DEFAULT.
512 (SPEC_32, SPEC_64): Define.
513 (LINK_SPEC): Use them.
514 * doc/install.texi (--enable-targets=all): Document for x86-linux.
516 2006-10-29 Richard Guenther <rguenther@suse.de>
518 * config/i386/i386-protos.h (ix86_expand_round): Declare.
519 (ix86_expand_rounddf_32): Likewise.
520 * config/i386/i386.c (ix86_expand_round): New function expanding
521 round inline for SSE math and -fno-trapping-math and if not
523 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
524 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
525 round via ix86_expand_round.
527 2006-10-29 Richard Guenther <rguenther@suse.de>
529 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
530 (ix86_expand_floorceildf_32): Likewise.
531 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
532 static helper function.
533 (ix86_expand_floorceil): Expander for floor and ceil to SSE
535 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
536 * config/i386/i386.md (floordf2): Adjust to enable floor
537 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
538 -fno-trapping-math is enabled and if not optimizing for size.
539 (floorsf2, ceildf2, ceilsf2): Likewise.
540 * config/i386/sse.md (sse_maskcmpsf3): New insn.
541 (sse2_maskcmpdf3): Likewise.
543 2006-10-29 Richard Guenther <rguenther@suse.de>
545 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
546 rint in case -fno-trapping-math is enabled.
547 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
548 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
549 (ix86_expand_sse_fabs): Likewise.
550 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
551 * config/i386/i386.md (rintdf2): Enable for SSE math if
552 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
555 2006-10-29 Richard Guenther <rguenther@suse.de>
557 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
558 to conversion optabs.
559 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
561 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
562 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
563 (lfloor_optab, lceil_optab): Adjust defines.
564 * builtins.c (expand_builtin_int_roundingfn): Adjust for
565 lfloor and lceil optabs now being conversion optabs.
566 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
567 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
568 New static helper function.
569 (ix86_expand_lfloorceil): New function to expand lfloor and
571 * config/i386/i386.md (lfloor<mode>2): Split into ...
572 (lfloorxf<mode>2): ... x87 variant
573 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
574 using ix86_expand_lfloorceil.
575 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
577 * doc/md.texi (lfloorMN, lceilMN): Document.
579 2006-10-29 Richard Sandiford <richard@codesourcery.com>
581 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
582 -mno-shared assembler option on mips targets.
583 * configure, config.in: Regenerate.
584 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
585 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
586 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
588 2006-10-29 Richard Sandiford <richard@codesourcery.com>
590 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
591 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
593 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
595 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
596 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
599 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
602 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
603 (fold_builtin_pow): Evaluate constant arguments at compile-time
605 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
606 (do_mpfr_ckconv): New helper function.
607 (do_mpfr_arg1): Use do_mpfr_ckconv.
610 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
613 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
614 (-fdump-rtl-sched): Rename to ..
615 (-fdump-rtl-sched1): here. Also fix file extension number.
617 2006-10-28 Richard Guenther <rguenther@suse.de>
619 * fold-const.c (maybe_canonicalize_comparison): Fix code
622 2006-10-28 Uros Bizjak <uros@kss-loka.si>
624 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
625 (NON_QI_REG_P): Use IN_RANGE.
626 (REX_INT_REGNO_P): Use IN_RANGE.
627 (FP_REGNO_P): Use IN_RANGE.
628 (SSE_REGNO_P): Use IN_RANGE.
629 (REX_SSE_REGNO_P): Use IN_RANGE.
630 (MMX_REGNO_P): Use IN_RANGE.
631 (STACK_REGNO_P): New macro.
632 (STACK_REG_P): Use STACK_REGNO_P.
633 (NON_STACK_REG_P): Use STACK_REGNO_P.
634 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
635 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
636 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
637 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
638 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
640 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
642 * except.h (output_function_exception_table): Add 'const char*' param.
643 * except.c (switch_to_exception_section): Add 'const char*' param.
644 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
645 and flag_function_sections is set, use a function-specific section.
646 (output_function_exception_table): Add 'const char*' param.
647 Adjust call to switch_to_exception_section.
648 * final.c (rest_of_handle_final): Adjust calls to
649 output_function_exception_table.
650 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
651 * config.in: Regenerate.
652 * configure: Likewise.
654 2006-10-28 Richard Guenther <rguenther@suse.de>
657 * fold-const.c (maybe_canonicalize_comparison_1): Helper
658 for maybe_canonicalize_comparison.
659 (maybe_canonicalize_comparison): New function for canonicalizing
661 (fold_comparison): Call it to canonicalize comparisons with
664 2006-10-28 Richard Guenther <rguenther@suse.de>
667 * builtins.c (expand_builtin_int_roundingfn_2): Expand
668 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
669 (expand_builtin): Adjust likewise.
670 * genopinit.c (optabs[]): Add lround optab.
671 * optabs.c (init_optabs): Initialize lround_optab.
672 * optabs.h (enum convert_optab_index): Add COI_lround.
673 (lround_optab): Define.
674 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
675 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
677 (ix86_expand_lround): New function.
678 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
680 * doc/md.texi (lroundMN2): Document.
682 2006-10-28 Uros Bizjak <uros@kss-loka.si>
685 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
686 argument to HOST_WIDE_INT. Update function prototype.
687 (round_frame_size): Change return type to HOST_WIDE_INT. Change
688 "size" argument to HOST_WIDE_INT. Update function prototype.
690 2006-10-28 Uros Bizjak <uros@kss-loka.si>
692 * config/i386/i386.c (output_387_ffreep): Create output from a
693 template string for !HAVE_AS_IX86_FFREEP.
695 2006-10-27 Eric Christopher <echristo@apple.com>
697 * config/darwin.c: Fix formatting and grammar.
699 2006-10-27 Jan Hubicka <jh@suse.cz>
701 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
702 to be thrown away soon when IGNORE is set.
703 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
704 indicating when return value shall not be computed.
705 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
707 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
709 * config/i386/i386.h (TARGET_GEODE):
710 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
711 (TARGET_CPU_DEFAULT_geode): New macro.
712 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
713 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
714 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
715 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
716 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
718 (TARGET_CPU_DEFAULT_NAMES): Add geode.
719 (processor_type): Add PROCESSOR_GEODE.
721 * config/i386/i386.md: Include geode.md.
724 * config/i386/i386.c (geode_cost): New initialized global
726 (m_GEODE, m_K6_GEODE): New macros.
727 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
728 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
729 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
730 x86_schedule): Use m_K6_GEODE instead of m_K6.
731 (x86_movx, x86_cmove): Set up m_GEODE.
732 (x86_integer_DFmode_moves): Clear m_GEODE.
733 (processor_target_table): Add entry for geode.
734 (processor_alias_table): Ditto.
736 * config/i386/geode.md: New file.
738 * doc/invoke.texi: Add entry about geode processor.
740 2006-10-27 Mike Stump <mrs@apple.com>
742 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
743 __DYNAMIC__ from here back to ...
744 * config/darwin.h (CPP_SPEC): ... here.
746 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
747 Nathan Sidwell <nathan@codesourcery.com>
749 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
750 when choosing the minimum heapsize.
752 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
754 * gcc/unwind-dw2.h: Move cfa-related variables into
755 struct frame_state_reg_info to ensure that the CFA is properly
756 handled when executing DW_CFA_{remember,restore}_state.
757 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
758 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
759 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
760 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
761 gcc/config/rs6000/linux-unwind.h,
762 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
763 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
764 Modify to use new cfa_* fields.
766 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
768 * config/s390/s390.c (s390_init_frame_layout): Check positive
771 2006-10-26 Ben Elliston <bje@au.ibm.com>
773 * gimplify.c (get_name): Remove extraneous break.
774 (gimplify_omp_for): Initialise ret with GS_OK.
776 2006-10-25 Steve Ellcey <sje@cup.hp.com>
778 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
779 Add unix98.o to link line.
781 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
784 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
785 Calculate compile-time constants using MPFR.
786 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
787 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
789 2006-10-25 Bob Wilson <bob.wilson@acm.org>
791 * config/xtensa/lib2funcs.S: Use C-style comments.
793 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
795 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
796 (file_table_relative_p): Likewise.
797 (dwarf2out_finish): Likewise.
798 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
800 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
802 * tree-ssa-structalias.c (intra_create_variable_infos):
803 Don't recreate nonlocal_all if it already exists.
805 2006-10-25 Richard Guenther <rguenther@suse.de>
808 * optabs.h (enum optab_index): Remove OTI_lrint.
809 (enum convert_optab_index): Add COI_lrint.
810 (lrint_optab): Adjust.
811 (expand_sfix_optab): Declare.
812 * optabs.c (expand_sfix_optab): New function.
813 (init_optabs): Init lrint_optab as conversion optab.
814 * genopinit.c (lrint_optab): Change to a conversion optab.
815 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
816 expansion via conversion optab.
817 * config/i386/i386.md (*fistdi2_1): Remove
818 flag_unsafe_math_optimizations guard.
819 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
820 fist<mode>2_with_temp): Likewise.
821 (lrint<mode>2): Split into...
822 (lrintxf<mode>2): ... x87 part
823 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
824 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
825 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
826 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
827 * doc/md.texi (lrintMN2): Document.
829 2006-10-25 Uros Bizjak <uros@kss-loka.si>
832 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
833 Use inc and dec instructions for TARGET_USE_INCDEC.
834 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
835 ("sync_double_compare_and_swap<mode>"): Likewise.
836 ("*sync_double_compare_and_swapdi_pic"): Likewise.
837 ("*sync_compare_and_swap_cc<mode>"): Likewise.
838 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
839 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
840 ("sync_old_add<mode>"): Likewise.
841 ("sync_lock_test_and_set<mode>"): Likewise.
842 ("sync_lock_test_and_set<mode>"): Likewise.
843 ("sync_add<mode>"): Likewise.
844 ("sync_sub<mode>"): Likewise.
845 ("sync_ior<mode>"): Likewise.
846 ("sync_and<mode>"): Likewise.
847 ("sync_xor<mode>"): Likewise.
849 2006-10-25 Uros Bizjak <uros@kss-loka.si>
851 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
852 (remainder_optab): Define corresponding macro.
853 (drem_optab): Remove.
854 * optabs.c (init_optabs): Initialize remainder_optab. Remove
855 drem_optab initialization.
856 * genopinit.c (optabs): Implement remainder_optab using
857 remainder?f3 patterns. Remove drem_optab.
858 * builtins.c (expand_builtin_mathfn_2): Handle
859 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
860 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
861 expand_builtin_mathfn_2.
863 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
864 depend on flag_unsafe_math_optimizations.
866 * config/i386/i386.md ("remaindersf3", "remainderdf3")
867 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
868 Do not depend on flag_unsafe_math_optimizations. Use
869 truncxf?f expander instead of truncxf?f_i387_noop.
871 ("fpremxf4", "fprem1xf4"): Do not depend on
872 flag_unsafe_math_optimizations.
873 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
874 flag_unsafe_math_optimizations. Use truncxf?f expander
875 instead of truncxf?f_i387_noop.
877 * doc/md.texi (fmod, remainder): Document standard named pattern.
879 2006-10-24 Richard Sandiford <richard@codesourcery.com>
880 David Daney <ddaney@avtrex.com>
883 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
885 2006-10-25 Ben Elliston <bje@au.ibm.com>
887 * doc/extend.texi (Variable Attributes): Typo fix.
889 2006-10-24 Uros Bizjak <uros@kss-loka.si>
891 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
892 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
893 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
894 (FRAME_POINTER_REGNUM): Update register number to 21.
895 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
896 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
898 * config/i386/i386.c (regclass_map): Add fpcr entry.
899 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
901 (print_reg): Assert REGNO (x) != FPCR_REG.
903 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
904 (DIRFLAG_REG): Renumber.
905 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
906 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
907 (sse_prologue_save, *sse_prologue_save_insn): Renumber
908 hardcoded SSE register numbers.
910 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
911 hardcoded MMX register numbers.
913 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
916 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
917 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
919 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
920 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
921 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
922 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
924 2006-10-24 Richard Guenther <rguenther@suse.de>
927 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
928 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
929 for deciding optimizations in consistency with fold-const.c
930 (fold_builtin_unordered_cmp): Likewise.
932 2006-10-24 Richard Guenther <rguenther@suse.de>
934 * builtins.c (fold_builtin_floor): Fold floor (x) where
935 x is nonnegative to trunc (x).
936 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
937 nonnegative to FIX_TRUNC_EXPR.
939 2006-10-24 Richard Guenther <rguenther@suse.de>
941 PR tree-optimization/29567
942 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
943 for TRUTH_NOT_EXPR. Clarify comments.
945 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
948 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
949 at compile-time using MPFR. Change parameter VALUE to FUNC,
951 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
952 for overflow and underflow at all times and avoid folding in
955 2006-10-24 Ben Elliston <bje@au.ibm.com>
957 * reload1.c: Formatting fixes.
959 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
961 PR tree-optimization/14784
962 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
963 * tree-ssa-structalias.c (get_constraint_for,
964 intra_create_variable_infos): Set is_heapvar.
965 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
966 non-heapvar pointer variables specially.
968 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
971 * builtins.c (fold_builtin_sin, fold_builtin_cos,
972 fold_builtin_tan): Fold all constant arguments. Take a "type"
973 argument as necessary.
975 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
977 2006-10-23 Bob Wilson <bob.wilson@acm.org>
979 * config/xtensa/lib1funcs.asm: Use C-style comments.
981 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
983 * tree.c (local_define_builtin): Replace calls to
984 lang_hooks.builtin_function with add_builtin_function.
985 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
987 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
989 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
990 common code to add_builtin_function.
991 * langhooks.c (add_builtin_function): New function.
992 (lhd_builtin_function): New function.
993 * langhooks.h (struct lang_hooks): Change the signature of
995 (add_builtin_function): New function.
996 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
997 calls to lang_hooks.builtin_function with add_builtin_function.
998 * c-common.c (decl_builtin_1): Replace calls to
999 lang_hooks.builtin_function with add_builtin_function.
1000 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1001 lang_hooks.builtin_function with add_builtin_function.
1002 * config/frv/frv.c (def_builtin): Replace calls to
1003 lang_hooks.builtin_function with add_builtin_function.
1004 * config/s390/s390.c (s390_init_builtins): Replace calls to
1005 lang_hooks.builtin_function with add_builtin_function.
1006 * config/sparc/sparc.c (def_builtin): Replace calls to
1007 lang_hooks.builtin_function with add_builtin_function.
1008 * config/i386/i386.c (def_builtin): Replace calls to
1009 lang_hooks.builtin_function with add_builtin_function.
1010 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1011 lang_hooks.builtin_function with add_builtin_function.
1012 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1013 lang_hooks.builtin_function with add_builtin_function.
1014 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1015 Replace calls to lang_hooks.builtin_function with
1016 add_builtin_function.
1017 * config/iq2000/iq2000.c (def_builtin):
1018 Replace calls to lang_hooks.builtin_function with
1019 add_builtin_function.
1020 * config/ia64/ia64.c (def_builtin): Replace calls to
1021 lang_hooks.builtin_function with add_builtin_function.
1022 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1023 lang_hooks.builtin_function with add_builtin_function.
1024 (altivec_init_builtins): Replace calls to
1025 lang_hooks.builtin_function with add_builtin_function.
1026 * config/arm/arm.c (def_mbuiltin): Replace calls to
1027 lang_hooks.builtin_function with add_builtin_function.
1028 (arm_init_tls_builtins): Replace calls to
1029 lang_hooks.builtin_function with add_builtin_function.
1030 * config/mips/mips.c (mips_init_builtins): Replace calls to
1031 lang_hooks.builtin_function with add_builtin_function.
1032 * config/bfin/bfin.c (def_builtin): Replace calls to
1033 lang_hooks.builtin_function with add_builtin_function.
1034 * langhooks-def.h (lhd_builtin_function): New function.
1035 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1037 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1039 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1040 BUILT_IN_STRNCAT_CHK.
1042 2006-10-23 Jan Hubicka <jh@suse.cz>
1044 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1045 don't do conversion from memmove to memcpy here.
1046 (expand_builtin_bcopy, expand_builtin): Update call of
1047 expand_builtin_memmove.
1048 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1050 2006-10-23 Paul Brook <paul@codesourcery.com>
1052 * stor-layout.c (start_record_layout): maximum_field_alignment
1053 overrides STRUCTURE_SIZE_BOUNDARY.
1055 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1057 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1058 nonlocal function symbols if flag_pic.
1060 2006-10-23 Richard Guenther <rguenther@suse.de>
1064 * builtins.c (fold_binary): Remove checks for flag_wrapv
1065 and flag_trapv where negate_expr_p covers these cases.
1067 2006-10-23 Richard Guenther <rguenther@suse.de>
1070 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1071 of two on the absolute value.
1072 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1073 and negating -C does not overflow.
1075 2006-10-23 Richard Guenther <rguenther@suse.de>
1078 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1079 only if not flag_rounding_math.
1081 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1082 Kaz Kojima <kkojima@gcc.gnu.org>
1085 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1086 SImode memory reference for the source of a movua.
1087 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1088 (movua): Use an unspec instead of sign_extract. Expect the source
1089 to have mode BLKmode.
1090 (extv, insv): Use a BLKmode rather than SImode memory reference
1091 for the source of a movua.
1093 2006-10-22 Jeff Law <law@redhat.com>
1094 Richard Guenther <rguenther@suse.de>
1096 PR tree-optimization/15911
1097 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1098 (register_edge_assert_for_1): Likewise.
1099 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1100 (find_conditional_asserts): Adjust for new function signature.
1101 (find_assert_locations): Likewise.
1103 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1105 * config/i386/tmmintrin.h: Remove the duplicated content.
1107 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1109 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1110 (x86_64-*-*): Likewise.
1112 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1113 (override_options): Check SSSE3.
1114 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1115 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1116 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1117 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1118 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1119 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1120 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1121 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1122 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1123 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1124 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1125 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1126 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1127 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1128 IX86_BUILTIN_PABSD128.
1129 (bdesc_2arg): Add SSSE3.
1130 (bdesc_1arg): Likewise.
1131 (ix86_init_mmx_sse_builtins): Support SSSE3.
1132 (ix86_expand_builtin): Likewise.
1133 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1135 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1136 (UNSPEC_PSIGN): Likewise.
1137 (UNSPEC_PALIGNR): Likewise.
1138 Include mmx.md before sse.md.
1140 * config/i386/i386.opt: Add -mssse3.
1142 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1143 (ssse3_phaddwv4hi3): Likewise.
1144 (ssse3_phadddv4si3): Likewise.
1145 (ssse3_phadddv2si3): Likewise.
1146 (ssse3_phaddswv8hi3): Likewise.
1147 (ssse3_phaddswv4hi3): Likewise.
1148 (ssse3_phsubwv8hi3): Likewise.
1149 (ssse3_phsubwv4hi3): Likewise.
1150 (ssse3_phsubdv4si3): Likewise.
1151 (ssse3_phsubdv2si3): Likewise.
1152 (ssse3_phsubswv8hi3): Likewise.
1153 (ssse3_phsubswv4hi3): Likewise.
1154 (ssse3_pmaddubswv8hi3): Likewise.
1155 (ssse3_pmaddubswv4hi3): Likewise.
1156 (ssse3_pmulhrswv8hi3): Likewise.
1157 (ssse3_pmulhrswv4hi3): Likewise.
1158 (ssse3_pshufbv16qi3): Likewise.
1159 (ssse3_pshufbv8qi3): Likewise.
1160 (ssse3_psign<mode>3): Likewise.
1161 (ssse3_psign<mode>3): Likewise.
1162 (ssse3_palignrti): Likewise.
1163 (ssse3_palignrdi): Likewise.
1164 (abs<mode>2): Likewise.
1165 (abs<mode>2): Likewise.
1167 * config/i386/tmmintrin.h: New file.
1169 * doc/extend.texi: Document SSSE3 built-in functions.
1171 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1173 2006-10-22 Ira Rosen <irar@il.ibm.com>
1175 * tree-vect-transform.c (vectorizable_load): Use the type of the
1176 return value of the mask_for_load builtin to create realign_load
1179 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1181 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1184 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1186 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1187 (UNSPEC_LDDQU): This.
1188 * config/i386/sse.md (sse3_lddqu): Updated.
1190 2006-10-21 Richard Guenther <rguenther@suse.de>
1192 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1193 (expand_builtin): Use it to expand lrint instead of
1194 expand_builtin_mathfn.
1196 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1199 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1200 flag_unsafe_math_optimizations is set.
1202 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1205 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1206 patterns to use memory input operand in x87->mem->XMM
1207 reload sequences. Skip transformation for TARGET_K8.
1209 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1211 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1212 force operand1 to register if both operands are memory operands.
1213 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1214 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1215 if both operands are memory operands.
1216 (truncdfsf2): Do not force operand1 to register if both operands
1217 are memory operands.
1219 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1221 * Makefile.in (LIBS): Add $(GMPLIBS).
1222 * doc/install.texi: Update GMP and MPFR requirements.
1223 * doc/sourcebuild.texi (need_gmp): Delete.
1225 2006-10-21 Richard Guenther <rguenther@suse.de>
1227 PR tree-optimization/3511
1228 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1229 got new invariant arguments during PHI translation.
1231 2006-10-21 Richard Guenther <rguenther@suse.de>
1234 * fold-const.c (fold_comparison): Fold signed comparisons
1235 of the form X +- C1 CMP Y +- C2.
1237 2006-10-21 Richard Guenther <rguenther@suse.de>
1240 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1241 if flag_unsafe_math_optimizations is specified. We have
1242 flag_finite_math_only for that.
1243 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1244 or flag_unsafe_math_optimizations.
1246 2006-10-21 Richard Guenther <rguenther@suse.de>
1248 * builtins.c (fold_builtin_classify): Fix typo.
1250 2006-10-21 Richard Guenther <rguenther@suse.de>
1253 * simplify-rtx.c (simplify_const_relational_operation):
1254 Do not constant-fold ORDERED and UNORDERED for
1255 flag_unsafe_math_optimizations but only we do not need to
1256 honor NaNs for the given mode.
1258 2006-10-21 Richard Guenther <rguenther@suse.de>
1261 * config/i386/i386.c (classify_argument): Remove redundant
1262 walking of the BINFOs.
1263 (contains_128bit_aligned_vector_p): Likewise.
1265 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1267 * BASE-VER: Set to 4.3.0.
1269 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1271 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1272 (tree_decl_with_vis): Remove artificial_pta_var flag.
1273 * tree-flow.h (referenced_var_check_and_insert): Expose.
1274 (nonlocal_all): New prototype.
1275 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1276 (nonlocal_all): Make global.
1277 (nonlocal_lookup): Remove.
1278 (nonlocal_insert): Ditto.
1279 (create_nonlocal_var): Do not call nonlocal_insert.
1280 (get_nonlocal_id_for_type): Remove.
1281 (find_global_initializers): Mark new vars we find for renaming.
1282 (intra_create_variable_infos): Only create one nonlocal.
1283 (expand_nonlocal_solutions): Remove.
1284 (compute_points_to_sets): Don't call it.
1285 (ipa_pta_execute): Ditto.
1286 (init_alias_heapvars): Don't create nonlocal_for_type.
1287 (delete_alias_heapvars): Don't remove it.
1288 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1291 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1293 * doc/install.texi (Downloading GCC): Clarify mention of
1294 Fortran in the "full distribution" description.
1296 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1298 Fix PR tree-optimization/28778
1299 Fix PR tree-optimization/29156
1300 Fix PR tree-optimization/29415
1301 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1302 (tree_decl_with_vis): Add artificial_pta_var flag.
1303 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1304 pushed into callers.
1305 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1306 (nonlocal_all): Ditto.
1307 (struct variable_info): Add directly_dereferenced member.
1308 (var_escaped_vars): New variable.
1309 (escaped_vars_tree): Ditto.
1310 (escaped_vars_id): Ditto.
1311 (nonlocal_vars_id): Ditto.
1312 (new_var_info): Set directly_dereferenced.
1313 (graph_size): New variable
1314 (build_constraint_graph): Use graph_size.
1315 (solve_graph): Don't process constraints that cannot change the
1316 solution, don't try to propagate an empty solution to our
1318 (process_constraint): Set directly_dereferenced.
1319 (could_have_pointers): New function.
1320 (get_constraint_for_component_ref): Don't process STRING_CST.
1321 (nonlocal_lookup): New function.
1322 (nonlocal_insert): Ditto.
1323 (create_nonlocal_var): Ditto.
1324 (get_nonlocal_id_for_type): Ditto.
1325 (get_constraint_for): Allow results vector to be empty in the case
1326 of string constants.
1327 Handle results of calls properly.
1328 (update_alias_info): Update alias info stats on number and type of
1330 (find_func_aliases): Use could_have_pointers.
1331 (make_constraint_from_escaped): Renamed from
1332 make_constraint_to_anything, and changed to make constraints from
1334 (make_constraint_to_escaped): New function.
1335 (find_global_initializers): Ditto.
1336 (create_variable_info_for): Make constraint from escaped to any
1337 global variable, and from any global variable to the set of
1339 (intra_create_variable_infos): Deal with escaped instead of
1340 pointing to anything.
1341 (set_uids_in_ptset): Do type pruning on directly dereferenced
1343 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1344 (init_base_vars): Fix comment, and initialize escaped_vars.
1345 (need_to_solve): Removed.
1346 (find_escape_constraints): New function.
1347 (expand_nonlocal_solutions): Ditto.
1348 (compute_points_to_sets): Call find_escape_constraints and
1349 expand_nonlocal_solutions.
1350 (delete_points_to_sets): Don't fall off the end of the graph.
1351 (init_alias_heapvars): Initialize nonlocal_for_type and
1353 (delete_alias_heapvars): Free nonlocal_for_type and null out
1356 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1358 * fold-const.c (add_double): Rename to add_double_with_sign.
1359 Add 'unsigned_p' parameter and take it into account for the overflow.
1360 (mul_double): Rename to mul_double_with_sign.
1361 Add 'unsigned_p' parameter and take it into account for the overflow.
1362 (fold_div_compare): Call add_double_with_sign instead of add_double
1363 and mul_double_with_sign instead of mul_double, passing them the
1364 unsignedness of the type.
1365 * tree.h (add_double): Macroize.
1366 (add_double_with_sign): New prototype.
1367 (mul_double): Macroize.
1368 (mul_double_with_sign): New prototype.
1370 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1372 * config/score/crti.asm: New file.
1373 * config/score/crtn.asm: New file.
1374 * config/score/elf.h: New file.
1375 * config/score/mac.md: New file.
1376 * config/score/misc.md: New file.
1377 * config/score/mul-div.S: New file.
1378 * config/score/predicates.md: New file.
1379 * config/score/score7.md: New file.
1380 * config/score/score.c: New file.
1381 * config/score/score-conv.h: New file.
1382 * config/score/score.h: New file.
1383 * config/score/score.md: New file.
1384 * config/score/score-mdaux.c: New file.
1385 * config/score/score-mdaux.h: New file.
1386 * config/score/score-modes.def: New file.
1387 * config/score/score.opt: New file.
1388 * config/score/score-protos.h: New file.
1389 * config/score/score-version.h: New file.
1390 * config/score/t-score-elf: New file.
1391 * config.gcc: Add score*-*-* configurations(Update before).
1392 * doc/invoke.texi (Score Options): New section.
1393 * doc/md.texi (Score family): New section to document constraints.
1395 2006-10-19 Nick Clifton <nickc@redhat.com>
1397 * config/arm/arm.c: Fix spelling typo.
1399 2006-10-18 Tom Tromey <tromey@redhat.com>
1401 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1403 2006-10-18 Jan Hubicka <jh@suse.cz>
1406 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1409 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1411 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1412 TSI_SAME_STMT, since that's the desired entity.
1414 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1416 * config/s390/contraints.md: New file.
1417 * config/s390/s390-protos.h (s390_mem_constraint,
1418 s390_O_constraint_str, s390_N_constraint_str,
1419 s390_float_const_zero_p): Function prototypes added.
1420 * config/s390/s390.c (s390_extra_constraint_str,
1421 s390_const_double_ok_for_constraint_p,
1422 s390_const_ok_for_constraint_p): Functions removed.
1423 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1424 s390_float_const_zero_p): New functions.
1425 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1426 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1427 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1428 Macro definitions removed.
1429 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1430 s390_extra_constraint_str): Functions removed.
1432 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1433 Richard Sandiford <richard@codesourcery.com>
1436 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1437 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1439 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1441 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1442 (DWARF2_FRAME_REG_OUT): Likewise.
1443 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1444 (DWARF2_FRAME_REG_OUT): Likewise.
1446 2006-10-17 Paul Brook <paul@codesourcery.com>
1448 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1450 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1452 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1453 Standardize on "GNU Fortran" as the official name of the Fortran
1456 2006-10-16 Mike Stump <mrs@apple.com>
1458 * doc/invoke.texi (Darwin Options): Document -mkernel.
1459 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1461 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1462 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1463 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1464 (OS_MISSING_ALTIVEC): Add.
1465 * config/i386/i386.c (override_options): Add
1466 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1467 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1468 -mkernel, -static or -mdynamic-no-pic is given.
1469 (C_COMMON_OVERRIDE_OPTIONS): Add.
1470 * config/darwin.opt (fapple-kext): Add.
1472 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1473 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1475 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1476 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1477 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1478 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1479 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1480 (flag_mkernel): Add.
1481 (flag_apple_kext): Add.
1482 (TARGET_KEXTABI): Add.
1483 * config/darwin.c (darwin_handle_kext_attribute): Add.
1484 (DARWIN_VTABLE_P): Add.
1485 (darwin_binds_local_p): Add partial support for rebinding vtables
1487 (darwin_kextabi_p): Add.
1488 (darwin_override_options): Add.
1489 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1490 (darwin_kextabi_p): Add.
1491 (darwin_override_options): Add.
1492 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1493 __DYNAMIC__ and __STATIC__ here.
1495 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1497 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1498 Added mention of "make pdf" target, and Texinfo requirements for
1501 2006-10-16 DJ Delorie <dj@redhat.com>
1503 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1504 into the GOT in case we need a subreg of the address.
1506 2006-10-16 Richard Guenther <rguenther@suse.de>
1509 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1510 SSE builtin documentation. Document SSE2 builtins.
1512 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1514 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1515 symbol in the output file for non-shared links when -nostdlib or
1516 -nodefaultlibs isn't specified.
1518 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1519 posix thread support.
1521 2006-10-15 Jan Hubicka <jh@suse.cz>
1524 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1525 declared always_inline even when not inlining.
1527 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1528 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1529 Andrew Pinski <pinskia@gmail.com>
1532 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1534 2006-10-15 Jan Hubicka <jh@suse.cz>
1535 Richard Guenther <rguenther@suse.de>
1538 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1539 process_function_and_variable_attributes on all variables, including
1540 those discovered during cgraph construction phase.
1542 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1544 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1546 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1548 * config/i386/athlon.md (athlon_fist): Add fisttp.
1550 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1551 Ian Lance Taylor <ian@airs.com>
1554 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1555 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1558 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1560 * config/score/score.c, config/score/score.h: Fix comment
1563 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1566 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1569 2006-10-13 Eric Christopher <echristo@apple.com>
1571 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1573 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1576 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1577 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1578 alignment supported by 32-bit ELF.
1580 2006-10-13 Eric Christopher <echristo@apple.com>
1582 * config/darwin.c (darwin_emit_unwind_label): Strip
1583 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1585 2006-10-13 Richard Guenther <rguenther@suse.de>
1587 PR tree-optimization/29446
1588 * tree-vrp.c (fix_equivalence_set): Remove.
1589 (extract_range_from_assert): Do not call fix_equivalence_set.
1590 (debug_value_range): Print a newline.
1591 (compare_name_with_value): For equivalence sets with
1592 inconsistent value ranges conservatively bail out.
1593 (compare_names): Likewise.
1595 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1597 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1598 and MPFR for gfortran.
1600 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1602 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1603 alignment supported by 32-bit ELF.
1605 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1609 * c-typeck.c (digest_init): Always allow initializing vectors
1610 that have static storage duration with compound literals.
1611 * tree.c (build_type_attribute_qual_variant): New, based on
1612 build_type_attribute_variant.
1613 (build_type_attribute_variant): Rewrite using the former.
1614 (make_vector_type): Use build_type_attribute_qual_variant to build
1615 type variants. Use type_hash_canon on the others.
1617 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1618 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1620 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1622 2006-10-12 Jan Hubicka <jh@suse.cz>
1625 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1626 current_function_decl is set but current_function_scope is not.
1628 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1630 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1631 emit_insn to emit eh_return_internal instruction.
1632 (eh_return_internal): Explicitly set pc.
1634 2006-10-11 Richard Guenther <rguenther@suse.de>
1636 PR tree-optimization/28230
1637 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1638 to the correct place.
1640 2006-10-11 Richard Guenther <rguenther@suse.de>
1643 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1646 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1648 * configure.ac: Added pdf to "Make-hooks"
1649 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1650 targets and *.pdf file patterns in cleanup targets.
1651 * configure: Regenerated.
1653 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1655 * config/avr/predicates.md: New file.
1656 * config/avr/avr.md: Include it.
1657 (REG_SP): New constant.
1658 (peepholes): Use predicates.
1659 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1660 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1661 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1663 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1665 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1668 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1671 * builtins.c (var_decl_component_p): New function.
1672 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1673 single entry optimization to variables and components thereof.
1675 2006-10-10 Richard Guenther <rguenther@suse.de>
1677 PR rtl-optimization/29323
1678 * except.c (set_nothrow_function_flags): For functions
1679 that do not bind local bail out early.
1681 2006-10-10 Ben Elliston <bje@au.ibm.com>
1683 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1686 2006-10-09 Richard Henderson <rth@redhat.com>
1688 Revert emutls patch.
1690 2006-10-09 Richard Guenther <rguenther@suse.de>
1693 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1696 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1699 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1700 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1701 * configure: Regenerate.
1702 * config.in: Regenerate.
1704 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1706 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1708 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1710 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1711 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1712 Remove stray newline.
1714 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1716 * config/mips/mips.c (mips_classify_symbol): Do not return
1717 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1718 (mips_in_small_data_p): Tweak comments.
1720 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1722 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1724 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1726 * gimplify.c, sched-int.h: Fix comment typos.
1728 * sched-int.h: Fix comment typos.
1730 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1732 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1734 * sched-ebb.c (begin_schedule_ready): Use them.
1735 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1736 add_to_speculative_block, create_check_block_twin, speculate_insn,
1737 fix_jump_move, move_block_after_check): Ditto.
1738 * sched-rgn.c (new_ready): Ditto.
1740 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1742 PR rtl-optimization/29128
1743 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1744 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1745 allow interblock movement of speculation checks.
1747 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1750 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1751 casted to integer type.
1752 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1753 if they are significantly more expensive than [reg + index] ones.
1755 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1757 PR tree-optimization/29330
1758 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1759 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1760 on newly allocated ddrs.
1761 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1762 to VEC (loop_p, heap) pointer.
1763 (compute_data_dependences_for_loop): Adjust caller.
1764 (free_dependence_relations): Free DDR_LOOP_NEST.
1766 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1767 free DEPENDENCE_RELATIONS and DATAREFS.
1770 * builtins.c (expand_builtin_sync_operation,
1771 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1772 Use convert_to_mode to handle promoted arguments.
1774 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1776 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1778 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1780 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1782 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1784 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1785 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1786 Use <modeconstraint> instead of "r" as operand 1 constraint.
1788 2006-10-06 Olivier Hainque <hainque@adacore.com>
1790 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1791 Don't recurse on the pointed-to type.
1792 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1793 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1794 types with components of variable size.
1796 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1798 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1800 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1802 PR tree-optimization/29290
1803 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1807 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1808 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1811 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1812 the number of vector elements fill the rest with zeros.
1814 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1816 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1817 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1820 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1822 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1823 unnamed pattern into subsi3. Use correct constraints/predicates.
1824 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1825 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1827 2006-10-05 Ira Rosen <irar@il.ibm.com>
1829 * doc/loop.texi: Add data references analysis description.
1831 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1833 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1835 2006-10-04 Richard Henderson <rth@redhat.com>
1836 Jakub Jelinek <jakub@redhat.com>
1838 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1839 * builtin-types.def (BT_WORD): Make unsigned.
1840 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1841 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1842 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1843 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1844 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1845 * cgraph.c (decide_is_variable_needed): Look at force_output.
1846 Recurse for emulated tls.
1847 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1848 checks redundant with decide_is_variable_needed.
1849 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1850 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1852 * expr.c (emutls_var_address): New.
1853 (expand_expr_real_1): Expand emulated tls.
1854 (expand_expr_addr_expr_1): Likewise.
1855 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1856 * output.h (emutls_finish): Declare.
1857 * toplev.c (compile_file): Call it.
1858 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1859 address before wrapping in CONST.
1860 * varasm.c (emutls_htab, emutls_object_type): New.
1861 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1862 (get_emutls_object_name, get_emutls_object_type): New.
1863 (get_emutls_init_templ_addr, emutls_decl): New.
1864 (emutls_common_1, emutls_finish): New.
1865 (assemble_variable): When emulating tls, swap decls; generate
1866 constructor for the emutls objects.
1867 (do_assemble_alias): When emulating tls, swap decl and target name.
1868 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1870 * emutls.c: New file.
1871 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1872 tls_object for real tls.
1874 2006-10-04 Zack Weinberg <zackw@panix.com>
1876 Fix bug in constraint-check generator, reported by Rask Ingemann
1878 * genpreds.c (add_constraint): Don't remove anything from the
1880 (write_tm_constrs_h): Detect whether "op" argument is used, and
1881 mark it ARG_UNUSED if it isn't.
1882 (write_insn_const_int_ok_for_constraint): Skip the part of the
1883 expression that would test whether "op" (which is not available
1884 here) is a CONST_INT.
1886 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1889 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1891 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1893 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1894 current Leopard versions.
1895 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1897 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1899 * doc/install.texi: Fix typos.
1901 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1903 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1904 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1905 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1907 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1909 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1910 arg to be struct mach_header_64* instead.
1912 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1915 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1916 side effects after the outer expression's post side effects.
1918 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1920 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1921 comments to reflect actual behavior and relationship between
1922 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1924 * doc/c-tree.texi (Working with declarations): Fix documentation
1925 of FIELD_DECL likewise.
1927 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1930 * doc/extend.texi: Add used variable attribute description.
1932 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1935 * c.opt (Woverride-init): New.
1936 * c-opts.c (c_common_post_options): Default warn_override_init to
1938 * c-typeck.c (add_pending_init, output_init_element): Warn for
1939 overriding initializers without side effects.
1940 * doc/invoke.texi (-Woverride-init): Document.
1943 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1945 PR rtl-optimization/28096
1946 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1947 assignment has already been used as a destination earlier in the block.
1949 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1951 * builtins.c (expand_builtin_setjmp): Delete.
1952 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1953 <BUILT_IN_SETJMP_SETUP>: New case.
1954 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1955 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1956 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1957 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1958 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1959 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1960 (lower_function_body): Initialize it to false. If it is set to true
1961 at the end of the processing, emit the setjmp dispatcher.
1962 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1963 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1964 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1965 on the rhs of the assignment.
1966 (lower_builtin_setjmp): New function.
1967 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1968 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1969 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1970 to detect calls that can go to non-local labels. Use specific
1971 helper to create the abnormal edges associated with them.
1972 <MODIFY_EXPR>: Likewise.
1973 (make_abnormal_goto_edges): New function extracted from...
1974 (make_goto_expr_edges): ...here. Call it for computed gotos.
1975 (simple_goto_p): Minor tweak.
1976 (tree_can_make_abnormal_goto): New predicate.
1977 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1978 (tree_purge_dead_abnormal_call_edges): New function.
1979 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1980 (tree_purge_dead_abnormal_call_edges): Likewise.
1981 (make_abnormal_goto_edges): Likewise.
1982 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1983 Purge all dead abnormal edges if the call was in the last statement.
1984 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1985 (execute_fixup_cfg): If there are non-local labels in the function,
1986 scan the basic blocks and split them at calls that can go to non-local
1987 labels or add missing abnormal call edges. Write down the CFG in the
1989 (pass_fixup_cfg): Remove TODO_dump_func flag.
1990 * unwind-sjlj.c: Poison setjmp.
1991 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1992 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1993 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1994 (DONT_USE_BUILTIN_SETJMP): Document it.
1996 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1999 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2000 to 1 when __ppc64__ is defined.
2001 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2003 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2005 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2007 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2008 * config/ia64/unwind-hpux.c: Delete.
2010 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2012 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2013 on the element before gimplifying it, instead of punting if it is of
2016 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2018 * doc/loop.texi: New file.
2019 * doc/gccint.texi: Reference loop.texi.
2020 * Makefile.in (loop.texi): Add.
2022 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2024 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2026 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2027 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2029 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2031 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2033 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2035 * doc/install.texi: Document required versions of GMP and MPFR.
2037 2006-09-27 Paul Brook <paul@codesourcery.com>
2040 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2042 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2044 * reload1.c (alter_reg): Require the alignment of the stack slot to
2045 be at least reg_max_ref_width bytes.
2046 (scan_paradoxical_subregs): Record the largest width in
2049 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2053 * tree-nested.c (struct nesting_info): Added static_chain_added.
2054 (convert_call_expr): Set static_chain_added when adding static
2055 chain. Handle OMP_PARALLEL and OMP_SECTION.
2057 2006-09-25 Matthias Klose <doko@debian.org>
2059 * doc/invoke.texi: Add missing full stop.
2061 2006-09-25 Richard Henderson <rth@redhat.com>
2063 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2064 before cgraph_function_flags_ready.
2066 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2067 Adam Nemet <anemet@caviumnetworks.com>
2069 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2070 determine_common_wider_type): New functions.
2071 (get_computation_aff): Use them to simplify arithmetic between
2072 UBASE and CBASE if they are shortened from the same type.
2074 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2077 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2078 -2147483647 - 1 instead of 0x80000000.
2080 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2082 * flags.h (HONOR_NANS): Fix typo in comment.
2084 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2086 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2088 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2092 * tree.c (merge_attributes, attribute_list_contained): If both
2093 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2095 * c-typeck.c (comptypes_internal): Don't consider aggregates
2096 in different TUs as compatible if there one set of attributes is
2097 not a subset of the other type's attributes.
2098 (composite_type): Try harder not to create a new aggregate type.
2100 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2102 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2103 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2104 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2105 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2106 than replicating condition above.
2107 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2109 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2110 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2111 the linker by default.
2113 2006-09-22 Mike Stump <mrs@apple.com>
2115 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2118 2006-09-22 Richard Guenther <rguenther@suse.de>
2121 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2122 sort of stack variables stable.
2124 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2127 * explow.c (force_reg): Set REG_POINTER flag according to
2130 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2132 PR tree-optimization/28888
2133 * tree-if-conv.c (combine_blocks): Rewritten.
2134 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2135 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2137 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2139 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2142 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2144 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2146 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2148 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2150 2006-09-21 Roger Sayle <roger@eyesopen.com>
2153 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2154 dw_fde_current_label, to be the start of the function, i.e. the same
2155 value as dw_fde_begin.
2157 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2159 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2160 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2161 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2162 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2163 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2164 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2165 (abs<mode>2, neg<mode>2): Likewise.
2166 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2167 (*mips_abs_ps): New define_insn.
2169 2006-09-20 Josh Conner <jconner@apple.com>
2172 * calls.c (expand_call): Allow reuse of structure return stack
2175 2006-09-20 Paul Brook <paul@codesourcery.com>
2177 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2180 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2182 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2183 clean up terminology.
2185 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2188 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2189 with tablejumps in them.
2191 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2194 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2195 wrap it into TARGET_EXPR.
2197 2006-09-20 Eric Christopher <echristo@apple.com>
2199 * config/i386/i386.c (x86_fisttp): Remove.
2200 * config/i386/i386.h (x86_fisttp): Ditto.
2201 (TARGET_FISTTP): Ditto.
2203 2006-09-19 Eric Christopher <echristo@apple.com>
2205 * doc/tm.texi (OBJC_JBLEN): Describe.
2206 * config/i386/darwin.h (OBJC_JBLEN): Define.
2207 * config/rs6000/darwin.h: Ditto.
2209 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2211 PR rtl-optimization/21299
2212 * reload1.c (reload): Purge invalid ASMs in the final pass.
2214 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2217 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2218 pointers as legitimate constants.
2220 2006-09-19 Paul Brook <paul@codesourcery.com>
2223 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2225 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2227 PR tree-optimization/28887
2228 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2229 component parts from the reference.
2230 (gather_memory_references_ref): Record the reference without the
2231 nonaddressable component parts.
2233 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2236 * c-opts.c (c_common_handle_option): Ignore the -std options
2237 if the input language is assembly.
2239 2006-09-17 Ira Rosen <irar@il.ibm.com>
2242 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2244 (ptr_ptr_may_alias_p): Likewise.
2245 (record_record_differ_p): New function.
2246 (base_object_differ_p): Call record_record_differ_p.
2248 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2251 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2252 away for the expr argument.
2254 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2257 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2258 before using it for dumping after vectorizing loops.
2260 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2261 Jack Howarth <howarth@bromo.med.uc.edu>
2264 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2265 skip on error_mark_node.
2266 (rs6000_darwin64_record_arg_recurse): Likewise.
2268 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2270 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2271 * doc/rtl.texi: Remove related documentation.
2273 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2275 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2278 2006-09-15 Jim Wilson <wilson@specifix.com>
2280 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2281 Handle symbol offsets same as they are handled in ia64_expand_move
2284 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2286 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2287 Add forgotten parameter to the fprintf call.
2289 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2291 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2293 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2295 * doc/contrib.texi: Add my entry.
2297 2006-09-15 Nick Clifton <nickc@redhat.com>
2299 * doc/md.texi (Processor pipeline description): Fix typo in
2300 example of how to use the absence_set directive and reword the
2301 description to make it slightly easier to read.
2303 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2305 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2306 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2307 expanding the number of iterations.
2308 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2310 * cfgrtl.c (emit_insn_at_entry): New function.
2311 * rtl.h (emit_insn_at_entry): Declare it.
2312 * integrate.c (emit_initial_value_sets): Use it.
2314 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2316 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2318 (struct loop_work and related VEC declarations): Delete.
2319 (bfin_dump_loops): Print out new member bad.
2320 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2321 (bfin_scan_loop): Don't recurse.
2322 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2323 loops. No longer need to update outer loops if the current one is
2324 found bad. Move some validitiy checks to bfin_discover_loop.
2325 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2326 but changed not to check for nesting. Also changed to use the new bad
2328 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2329 time. Use bitmap based test to discover loop nesting.
2331 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2333 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2336 2006-09-14 Richard Guenther <rguenther@suse.de>
2337 Kazu Hirata <kazu@codesourcery.com>
2339 PR middle-end/28884.
2340 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2341 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2342 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2343 with TARGET_FUNCTION_VALUE.
2345 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2348 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2350 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2352 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2355 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2358 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2361 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2363 * basic_block.h (bb_has_eh_pred): Fix comment.
2365 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2367 * flow.c (calculate_global_regs_live): Invalidate eh registers
2368 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2369 (propagate_block): Handle eh registers as if they were set at basic
2371 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2373 * global.c (global_conflicts): Make eh registers to conflict with
2374 pseudos live at basic block begin.
2375 * basic_block.h (bb_has_eh_pred): New function.
2377 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2379 PR rtl-optimization/28982
2380 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2381 index of a PRE_MODIFY or POST_MODIFY address.
2382 * reload1.c (inc_for_reload): Use find_replacement on the original
2383 base and index registers.
2385 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2387 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2388 for -Os. Update __m128 alignment requirement.
2390 2006-09-13 Jan Hubicka <jh@suse.cz>
2392 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2394 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2396 PR rtl-optimization/28243
2397 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2398 the insn to which the note was originally attached.
2400 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2401 Roger Sayle <roger@eyesopen.com>
2403 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2404 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2405 on platforms that don't use dwarf for debug info.
2407 2006-09-12 Jason Merrill <jason@redhat.com>
2410 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2411 hard_frame_pointer_rtx after using it to update the frame pointer.
2413 2006-09-12 Roger Sayle <roger@eyesopen.com>
2415 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2416 (TARGET_ASM_CLOSE_PAREN): Likewise.
2417 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2418 (TARGET_ASM_CLOSE_PAREN): Likewise.
2420 2006-09-12 Roger Sayle <roger@eyesopen.com>
2423 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2424 frame information for frames larger than 512 Kbytes on Tru64 when
2425 using the native assembler.
2427 2006-09-12 Roger Sayle <roger@eyesopen.com>
2431 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2432 and symbols. Instead use the implementation from cse.c's hash_rtx.
2434 2006-09-12 Jan Hubicka <jh@suse.cz>
2436 PR rtl-optimization/28071
2437 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2438 (vect_transform_loop): Likewise.
2439 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2440 (new_loop_vec_info): Likewise.
2441 (destroy_loop_vec_info): Likewise.
2442 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2443 (create_stmt_ann): Likewise.
2444 (create_tree_ann): Rename to ...
2445 (create_tree_common_ann): ... this one; allocate only the common part
2447 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2448 (get_value_handle): Likewise.
2449 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2450 get_tree_common_ann.
2451 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2452 (vinfo_for_stmt): Use stmt annotations.
2453 * tree-flow.h (tree_ann_common_t): New type.
2454 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2455 (tree_ann, get_tree_ann, create_tree_ann): New.
2456 * tree-flow-inline.h (get_function_ann): Do more type checking.
2457 (stmt_ann): Likewise.
2458 (tree_ann): Rename to ...
2459 (tree_common_ann): ... this one; return ony common_ann
2460 (get_tree_ann): Rename to ...
2461 (tree_common_ann): This one; return only common_ann.
2462 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2465 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2467 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2468 with_cpu by default.
2470 * dwarf2out.c (dwarf_file_data): New.
2471 (enum dw_val_class): Add dw_val_class_file.
2472 (struct dw_val_struct): Add val_file.
2473 (file_table): Change to a hash table.
2474 (file_table_emitted): Delete.
2475 (file_table_last_lookup_index): Delete.
2476 (emitcount): Delete.
2477 (last_emitted_file): New.
2478 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2479 (init_file_table): Delete.
2480 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2481 (AT_addr): Add comment.
2485 (print_die): Handle dw_val_class_file.
2486 (print_dwarf_line_table): Update for new file table structure.
2487 (attr_checksum): Do checksum a filename.
2488 (same_dw_val_p, same_attr_p): Do compare a filename.
2489 (size_of_die): Handle dw_val_class_file.
2490 (value_format): Likewise.
2491 (output_die): Likewise. Also, call maybe_emit_file here.
2492 (struct file_info): Constify filenames. Make file_idx a pointer
2493 to a struct dwarf_file_data.
2494 (struct dir_info): Constify directory names. Remove 'used' field.
2495 (struct file_name_acquire_data): New.
2496 (file_name_acquire): New.
2497 (output_file_names): Modify to handle new file data structures.
2498 (add_src_coords_attributes): Use add_AT_file.
2499 (add_call_src_coords_attributes): Likewise.
2500 (dwarf2out_imported_module_or_decl): Likewise.
2501 (gen_subprogram_die): Modify for new file data structures.
2502 (gen_variable_die): Likewise.
2503 (file_table_eq): New.
2504 (file_table_hash): New.
2505 (file_table_last_lookup): New.
2506 (lookup_filename): Rewrite to handle new file data structures.
2507 (maybe_emit_file): Rewrite to handle new file data structures.
2508 (dwarf2out_source_line): Always call lookup_filename and
2510 (dwarf2out_init): Create file_table here.
2511 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2512 (file_table_relative_p): New.
2513 (dwarf2out_finish): Change detection of relative filenames
2514 to work with new file data structures. Move output_line_info call
2515 after debug_info output.
2517 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2522 * config/i386/i386.c (override_options): Always default to 16
2523 byte stack boundary.
2525 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2528 * var-tracking.c (dump_dataflow_set): Start dumping at
2530 (clobber_variable_part): Kill only the variable part in
2531 registers holding it, leaving other variables alone.
2533 2006-09-11 Josh Triplett <josh@freedesktop.org>
2535 * doc/extend.texi (Other Builtins): Actually use the macro
2536 argument in the documentation example for
2537 __builtin_types_compatible_p.
2539 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2541 PR rtl-optimization/28726
2542 * sched-deps.c (sched_analyze_reg): New function extracted from...
2543 (sched_analyze_1): ...here. Call it to analyze references to
2544 registers. Treat again writes to a stack register as writing to the
2546 (sched_analyze_2): ...and here. Call it to analyze references to
2547 registers. Treat again reads of a stack register as reading the
2550 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2551 David Edelsohn <edelsohn@gnu.org>
2554 * config/rs6000/spe.md (frob_df_di): Remove %H.
2555 (frob_di_df): Remove %H. Change evmergelo to mr.
2556 (frob_di_df_2): Remove %H. Change evldd to two loads.
2558 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2560 * doc/cpp.texi: Fix names of charset options.
2562 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2565 * config/i386/i386.c (override_options): Use 128-bit
2566 stack boundary always for 64bits.
2568 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2570 PR rtl-optimization/28636
2571 * combine.c (force_to_mode): Test for side-effects before
2572 substituting by zero.
2573 (simplify_shift_const): Likewise for zero or other constants.
2575 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2578 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2581 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2584 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2585 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2586 returned by mode_for_size, rather than the mode of src itself,
2587 to choose between 32-bit and 64-bit patterns.
2588 (mips_mem_fits_mode_p): New function.
2589 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2590 that the size of the source matches the size of the destination.
2591 (mov_<store>l, mov_<store>r): Likewise.
2593 2006-09-10 Eric Christopher <echristo@apple.com>
2595 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2598 2006-09-09 Eric Christopher <echristo@apple.com>
2601 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2604 2006-09-09 Roger Sayle <roger@eyesopen.com>
2605 Nicolas Setton <setton@adacore.com>
2607 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2609 2006-09-10 Andreas Schwab <schwab@suse.de>
2611 * config/m68k/m68k.md (bungt_rev): New pattern.
2613 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2614 Dale Johannesen <dalej@apple.com>
2617 * regclass.c (struct reg_pref): Update documentation.
2618 (regclass): Set prefclass to NO_REGS if memory is the best option.
2619 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2621 2006-09-08 Eric Christopher <echristo@apple.com>
2623 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2624 * config/t-slibgcc-darwin: Support x86_64 multilib.
2625 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2626 Return 1 for x86_64-darwin.
2627 * config/i386/t-darwin: Add m64 multilib.
2628 (LIB2_SIDITI_CONV_FUNCS): Use.
2629 (LIB2FUNCS_EXTRA): Ditto.
2630 * config/i386/darwin.h: Support x86_64.
2631 * config/i386/i386.c (override_options): Turn on flag_pic
2632 for x86_64-darwin. Disable flag_omit_pointer.
2633 (get_pc_thunk_name): Assert !TARGET_64BIT.
2634 (legitimate_address_p): Disable machopic addressing for
2636 (legitimize_pic_address): Ditto.
2637 (ix86_expand_move): Ditto.
2638 (ix86_expand_call): Ditto.
2639 (machopic_output_stub): Ditto.
2640 * config/darwin.c (machopic_select_section): Support literal16.
2641 (machopic_select_rtx_section): Ditto.
2642 * config/darwin-sections.def: Ditto.
2643 * config/darwin-64.c: New.
2645 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2648 * c-tree.h (struct c_arg_info): Add pending_sizes.
2649 * c-parser.c (c_parser_parms_declarator,
2650 c_parser_parms_list_declarator): Initialize pending_sizes.
2651 * c-decl.c (get_parm_info): Initialize pending_sizes.
2652 (get_parm_info): Set pending_sizes.
2653 (grokdeclarator): Call put_pending_sizes for parameters for
2654 function definition only.
2656 2006-09-07 Jason Merrill <jason@redhat.com>
2659 * varasm.c (output_constant): Only strip actual no-op conversions.
2662 * config/i386/i386.c (override_options): Use 128-bit
2663 stack boundary if -msse.
2665 2006-09-07 Eric Christopher <echristo@apple.com>
2667 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2669 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2672 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2674 * dwarf2out.c: Remove strange characters from comment above
2675 dwarf2out_frame_debug_expr.
2677 2006-09-07 Eric Christopher <echristo@apple.com>
2679 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2680 * config/darwin.h: ... to here.
2682 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2684 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2686 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2687 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2689 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2690 TARGET_PARTIAL_FLAG_REG_STALL.
2691 (*ashldi3_cconly_rex64): Likewise.
2692 (*ashlsi3_cmp): Likewise.
2693 (*ashlsi3_cconly): Likewise.
2694 (*ashlsi3_cmp_zext): Likewise.
2695 (*ashlhi3_cmp): Likewise.
2696 (*ashlhi3_cconly): Likewise.
2697 (*ashlqi3_cmp): Likewise.
2698 (*ashlqi3_cconly): Likewise.
2699 (*ashrdi3_cmp_rex64): Likewise.
2700 (*ashrdi3_cconly_rex64): Likewise.
2701 (*ashrsi3_cmp): Likewise.
2702 (*ashrsi3_cconly): Likewise.
2703 (*ashrsi3_cmp_zext): Likewise.
2704 (*ashrhi3_cmp): Likewise.
2705 (*ashrhi3_cconly): Likewise.
2706 (*ashrqi3_cmp): Likewise.
2707 (*ashrqi3_cconly): Likewise.
2708 (*lshrdi3_cmp_rex64): Likewise.
2709 (*lshrdi3_cconly_rex64): Likewise.
2710 (*lshrsi3_cmp): Likewise.
2711 (*lshrsi3_cconly): Likewise.
2712 (*lshrsi3_cmp_zext): Likewise.
2713 (*lshrhi3_cmp): Likewise.
2714 (*lshrhi3_cconly): Likewise.
2715 (*lshrqi2_cmp): Likewise.
2716 (*lshrqi2_cconly): Likewise.
2718 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2721 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2722 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2723 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2724 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2725 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2726 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2727 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2728 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2729 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2730 implement only CC setting effects of shift instructions.
2732 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2734 * doc/contrib.texi: Add myself.
2736 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2739 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2740 was set by the user.
2742 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2745 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2746 (divsi_inv_m1): Use them.
2747 (UNSPEC_DIV_INV_TABLE): New constant.
2749 2006-09-06 James E Wilson <wilson@specifix.com>
2752 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2753 then call count_or_remove_death_notes.
2755 2006-09-06 Jason Merrill <jason@redhat.com>
2758 * tree-inline.c (copy_result_decl_to_var): New fn.
2759 (declare_return_variable): Use it. Call declare_inline_vars here.
2760 (expand_call_inline): Not here.
2762 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2764 * doc/contrib.texi: Update my entry.
2766 2006-09-06 Nick Clifton <nickc@redhat.com>
2768 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2770 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2773 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2774 (canonicalize_induction_variables): Likewise.
2775 (tree_unroll_loops_completely): Likewise.
2776 (tree_ssa_prefetch_arrays): Likewise.
2777 (remove_empty_loops): Likewise.
2778 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2779 TODO_cleanup_cfg instead of directly calling
2780 cleanup_tree_cfg_loop.
2781 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2783 (tree_unroll_loops_completely): Likewise.
2784 (remove_empty_loops): Likewise.
2785 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2786 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2787 of tree_ssa_unswitch_loops.
2788 (tree_ssa_loop_ivcanon): Use the return value of
2789 canonicalize_induction_variables.
2790 (tree_ssa_empty_loop): Use the return value of
2792 (tree_complete_unroll): Use the return value of
2793 tree_unroll_loops_completely.
2794 (tree_ssa_loop_prefetch): Use the return value of
2795 tree_ssa_prefetch_arrays.
2796 * passes.c (execute_todo): Before Cleanup CFG, set
2797 updating_used_alone and after cleanup CFG, call
2798 recalculate_used_alone.
2800 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2803 * tree-vect-transform.c (vectorizable_condition): Move the check
2804 for the type after the check for simple condition.
2806 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2807 Kaz Kojima <kkojima@gcc.gnu.org>
2810 * mode-switching.c (optimize_mode_switching): Make the destination
2811 block of an abnormal edge have no anticipatable mode. Don't
2812 insert mode switching code at the end of the source block of
2815 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2817 PR rtl-optimization/26847
2818 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2819 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2820 (simplify_plus_minus): Count n_constants while filling ops. Replace
2821 qsort with insertion sort. Before going through the array to simplify
2822 pairs, sort it. Delay early exit until after the first sort, exiting
2823 only if no swaps occurred. Simplify pairs in reversed order, without
2824 special-casing the first iteration. Pack ops after simplifying pairs.
2826 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2828 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2829 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2830 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2831 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2833 2006-09-05 Richard Guenther <rguenther@suse.de>
2835 PR tree-optimization/28900
2836 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2837 compound conditional before creating COND_EXPR condition.
2839 2006-09-05 Richard Guenther <rguenther@suse.de>
2841 PR tree-optimization/28905
2842 * tree-vrp.c (fix_equivalence_set): Manually implement
2843 !value_ranges_intersect_p to also handle symbolic ranges.
2845 2006-09-05 Richard Guenther <rguenther@suse.de>
2848 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2851 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2853 PR rtl-optimization/27616
2854 * cse.c (table_size): New static variable.
2855 (new_basic_block): Initialize it to 0.
2856 (remove_from_table): Decrement it.
2857 (insert): Increment it.
2858 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2859 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2860 fold_rtx_mem_1 if under the cap.
2861 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2862 the lookup of the equivalent expression and test for equality of the
2863 first operand of the equivalent expression before in turn looking up
2864 an equivalent constant for the second operand.
2866 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2869 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2870 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2871 pointer, instead of assuming it is possible to derive the
2872 correct args size from a call insn.
2874 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2877 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2878 (fold_builtin_mempcpy): Rename to...
2879 (fold_builtin_memory_op): ... this. Optimize one element copy
2881 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2883 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2884 (expand_builtin_memcpy, expand_builtin_mempcpy,
2885 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2886 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2887 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2888 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2890 2006-09-01 DJ Delorie <dj@redhat.com>
2892 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2893 (stzx_16): Likewise.
2894 ("stzx_24_<mode>"): Likewise.
2895 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2896 ("cmp<mode>_op"): New.
2897 (cmp<mode>): Change to expander; just save operands.
2899 (b<code>): Change to expander, emit compare here.
2900 (s<code>_op): Change to use split and expander.
2901 (s<code>_24_op): Likewise.
2902 (s<code>_<mode>): New.
2903 (s<code>_<mode>_24): New.
2904 (movqicc_<code>_<mode): New.
2905 (movhicc_<code>_<mode>): New.
2908 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2909 (m32c_pend_compare): New.
2910 (m32c_unpend_compare): New.
2911 (m32c_expand_scc): New.
2912 (m32c_expand_movcc): Emit the compare also.
2913 * config/m32c/predicates.md (mra_nopp_operand): New.
2915 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2916 Richard Guenther <rguenther@suse.de>
2917 Adam Nemet <anemet@caviumnetworks.com>
2920 * builtins.c (get_pointer_alignment): Handle more forms
2921 of base addresses that can be used to derive more precise
2922 information about alignment.
2924 2006-09-01 Jason Merrill <jason@redhat.com>
2927 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2930 * gimplify.c (voidify_wrapper_expr): Handle null type.
2932 2006-09-01 Josh Conner <jconner@apple.com>
2935 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2936 (execute_return_slot_opt): Use it.
2938 2006-08-31 Josh Conner <jconner@apple.com>
2941 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2942 returning aggregates.
2944 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2946 PR tree-optimization/28839
2947 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2948 blocks in that phi arguments appear.
2950 2006-08-31 Roger Sayle <roger@eyesopen.com>
2953 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2954 NULL, otherwise use an advance_loc4 to adjust relative to the
2956 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2957 (dwarf2out_switch_text_section): Reset the current label to avoid
2958 using advance_loc4 over section boundaries.
2960 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2963 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2964 r12 + SYMBOLIC_CONST.
2966 2006-08-30 Richard Guenther <rguenther@suse.de>
2968 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2970 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2972 PR rtl-optimization/27735
2973 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2974 Add new argument to keep track of whether an irreducible region
2975 was affected. All callers changed.
2976 (fix_irreducible_loops): Removed.
2977 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2978 flags were invalidated.
2980 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2982 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2983 instead of SF operands.
2984 (*fop_df_comm_sse): Likewise.
2985 (*fop_df_comm_i387): Likewise.
2986 (*fop_df_1_mixed): Likewise.
2987 (*fop_df_1_sse): Likewise.
2989 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2990 J"orn Rennecke <joern.rennecke@st.com>
2992 PR tree-optimization/17506
2993 * tree-ssa.c (warn_uninit): If warning about a location outside of
2994 the current function, note where the variable was declared.
2996 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2998 PR tree-optimization/28411
2999 * double-int.c (double_int_div): Use double_int_divmod.
3000 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3001 double_int_mod, double_int_smod, double_int_umod): New functions.
3002 * double-int.h (double_int_divmod, double_int_sdivmod,
3003 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3005 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3007 (get_computation_aff, get_computation_cost_at): Handle double_int
3008 return type of constant_multiple_of.
3010 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3013 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3014 an implicit conversion.
3016 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3018 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3020 2006-08-27 Roger Sayle <roger@eyesopen.com>
3022 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3025 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3027 * config/i386/crtfastmath.c: Fix a comment typo.
3029 2006-08-26 Roger Sayle <roger@eyesopen.com>
3031 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3032 temporary visit flags on CASE_LABEL_EXPRs.
3033 * c-common.c (match_case_to_enum): Add function comment. Avoid
3034 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3035 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3036 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3037 a constant, only warn if that constant value isn't handled.
3039 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3042 * input.h (restore_input_file_stack): Declare.
3043 (INPUT_FILE_STACK_BITS): Define.
3044 * toplev.c (fs_p, input_file_stack_history,
3045 input_file_stack_restored, restore_input_file_stack): New.
3046 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3047 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3048 (pop_srcloc): Don't free old state of stack.
3050 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3053 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3054 (PowerPC Type Attributes): New.
3056 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3058 * config/xtensa/xtensa.c (function_arg_boundary): New.
3059 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3061 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3062 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3064 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3067 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3070 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3072 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3073 (verify_local_live_at_start): Likewise.
3075 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3078 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3079 omp_add_variable): Treat sizes as variable whenever not
3082 2006-08-26 Richard Guenther <rguenther@suse.de>
3085 * fold-const.c (fold_binary): Fold temporary to correct
3086 type before constructing new comparison.
3088 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3091 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3092 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3094 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3097 * c-decl.c (start_function): Don't try to process prototype
3098 information from old declaration that isn't a function.
3100 2006-08-25 Jan Hubicka <jh@suse.cz>
3103 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3105 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3108 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3111 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3113 PR tree-optimization/16876
3114 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3115 exit if PARM doesn't match VALUE.
3117 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3119 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3120 literal_prefix directive.
3121 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3122 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3123 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3125 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3128 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3129 predicate to general_operand. Add 0->y and I->r alternatives.
3131 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3133 * doc/tm.texi: Fix a typo.
3134 * predict.c: Fix comment typos.
3136 2006-08-25 Nick Clifton <nickc@redhat.com>
3138 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3139 assertions of "cpu" and "machine".
3141 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3144 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3145 the access through a base which has an alias set of 0 cannot
3148 2006-08-24 Bill Wendling <wendling@apple.com>
3150 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3152 2006-08-24 Jan Hubicka <jh@suse.cz>
3154 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3156 2006-08-24 Jan Hubicka <jh@suse.cz>
3159 * cgraph.c: Fix comments.
3160 (cgraph_varpool_mark_needed_node): Mark only variables not already
3162 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3163 (cgraph_varpool_assembled_nodes_queue): New static variable.
3164 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3165 (cgraph_varpool_output_debug_info): New function.
3166 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3167 * Makefile.in: Add gt-cgraphunit.h
3169 2006-08-24 Jan Hubicka <jh@suse.cz>
3171 * predict.c (probability_reliable_p): New predicate.
3172 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3173 (predict_loops): Do not predict loop exit with less than 2%
3175 * basic-block.h (edge_probability_reliable_p,
3176 br_prob_note_reliable_p): Declare.
3177 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3178 prediction when static predictor is not reliable.
3179 * rs6000.c (output_cbranch): Likewise.
3181 2006-08-23 Stuart Hastings <stuart@apple.com>
3184 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3185 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3187 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3190 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3191 complex values, nor for generic vector values.
3193 2006-08-22 Richard Guenther <rguenther@suse.de>
3196 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3197 parameter. Convert arguments to arithmetic expression to the
3199 (analyze_scalar_evolution_1): Adjust caller.
3201 2006-08-22 Jan Hubicka <jh@suse.cz>
3203 Patch by Paolo Bonzini
3204 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3207 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3209 PR tree-optimization/28003
3210 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3211 before grouping aliases.
3213 2006-08-22 Roger Sayle <roger@eyesopen.com>
3215 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3216 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3218 2006-08-21 Jason Merrill <jason@redhat.com>
3221 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3222 wrapper. Loop to handle nested wrappers.
3223 (gimplify_bind_expr): Remove temp parameter.
3224 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3225 and STATEMENT_LIST on the rhs.
3226 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3227 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3228 (gimplify_target_expr): Remove special BIND_EXPR handling.
3230 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3232 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3235 2006-08-21 Olivier Hainque <hainque@adacore.com>
3237 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3238 Arrange for the temporary captures of components overlapping the lhs
3239 to happen before the lhs is possibly cleared.
3241 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3243 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3244 necessary places to pass the correct "number of registers" values
3247 2006-08-20 Jan Hubicka <jh@suse.cz>
3249 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3250 (create_name_tags): Instead of quadratic checking use hashtable.
3251 * bitmap.h: Include hashtab.h.
3252 (bitmap_hash): Declare.
3253 * bitmap.c (bitmap_hash): New function.
3255 2006-08-20 Jan Hubicka <jh@suse.cz>
3257 PR rtl-optimization/28071
3258 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3260 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3261 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3262 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3263 cgraph_decide_inlining_incrementally): Update use of
3264 cgraph_check_inline_limits.
3265 * cgraph.c (edge_hash, edge_eq): New function.
3266 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3267 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3268 cgraph_remove_node): Maintain call site hash.
3269 * cgraph.h (struct cgraph_node): Add call_site_hash.
3270 (cgraph_set_call_stmt): New function.
3272 2006-08-20 Jan Hubicka <jh@suse.cz>
3274 PR rtl-optimization/28071
3275 * reload1.c (reg_has_output_reload): Turn into regset.
3276 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3277 choose_reload_regs, emit_reload_insns): Update to new
3278 reg_has_output_reload.
3280 2006-08-20 Jan Hubicka <jh@suse.cz>
3283 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3284 function body sizes.
3285 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3287 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3290 * tree.c (handle_dll_attribute): Return early if not a
3291 var or function decl.
3293 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3296 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3297 alignment of SPE vector types.
3299 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3301 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3303 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3306 * cgraph.h (struct cgraph_node): Remove externally_visible
3308 * cgraphunit.c (process_function_and_variable_attributes): Set
3309 local.externally_visible rather than externally_visible.
3312 * c-common.c (handle_externally_visible_attribute): First look
3313 at TREE_CODE and only if it is function or var decl, check for
3314 non-public objects. Don't warn for DECL_EXTERNAL.
3315 * cgraphunit.c (process_function_and_variable_attributes): Warn
3316 if externally_visible attribute is used on non-public object.
3318 2006-08-17 Jan Hubicka <jh@suse.cz>
3320 PR tree-optimization/27865
3321 * reload1.c (forget_marked_reloads): New function.
3322 (forget_old_reloads_1): When data are passed, just mark the registers
3324 (reload_as_needed): Use the new mechanizm.
3326 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3329 * reload.h (reg_equiv_alt_mem_list): New declaration.
3330 * reload1.c (reg_equiv_alt_mem_list): New definition.
3331 (reload): Initialize it and release it.
3332 (delete_output_reload): Use it.
3333 * reload.c (push_reg_equiv_alt_mem): New function.
3334 (find_reloads_toplev): Call it.
3335 (find_reloads_address, find_reloads_address_1): Likewise.
3336 (find_reloads_subreg_address): Likewise.
3338 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3340 PR rtl-optimization/28489
3341 * sched-ebb.c (begin_schedule_ready): Create basic block
3343 (advance_target_bb): Skip empty blocks.
3344 * haifa-sched.c (bb_note): Make global.
3345 * sched-int.h (bb_note): Add prototype.
3347 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3349 PR tree-optimization/27865
3350 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3352 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3353 fold_used_pointer, pointer_used_p): New functions.
3354 (analyze_scalar_evolution_1): Use fold_used_pointer.
3355 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3356 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3359 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3362 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3363 or the INTEGER_CST. Fail on a CALL_EXPR.
3364 (fold_offsetof): Pass new argument to fold_offsetof_1.
3365 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3366 operand into an INDIRECT_REF.
3367 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3369 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3371 PR gcov/profile/26570
3372 * value-prof.c (static_values): Removed.
3373 (tree_find_values_to_profile): Do not set static_values.
3374 (find_values_to_profile): Do not free static_values.
3375 * profile.c (instrument_values): Do not free the values.
3376 (branch_prob): Free the values.
3378 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3380 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3382 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3385 * c-typeck.c (build_component_ref): Combine qualifiers of
3386 structure or union and field.
3388 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3390 PR rtl-optimization/28071
3391 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3392 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3393 * tree-into-ssa.c (struct dom_dfsnum): New.
3394 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3396 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3397 compute_global_livein.
3398 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3399 in phi nodes in the correct blocks.
3401 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3403 PR tree-optimization/28364
3404 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3406 (fold_affine_expr): New function.
3407 (may_eliminate_iv): Use fold_affine_expr.
3409 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3412 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3415 2006-08-16 Mike Stump <mrs@apple.com>
3417 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3418 * doc/cppopts.texi (-MD): Likewise.
3420 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3423 * c-common.c (handle_weak_attribute): Ignore and warn if
3424 not a FUNCTION_ or VAR_DECL.
3426 2006-07-15 Mike Stump <mrs@apple.com>
3429 * c-parser.c (c_parser_typeof_specifier): Don't use
3430 c_finish_expr_stmt, open code desired semantics instead.
3432 2006-08-15 Nick Clifton <nickc@redhat.com>
3434 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3435 fragment to tmake_file only if threads are enabled.
3436 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3437 * config/i386/t-gthr-win32: New file. ... here.
3439 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3442 * c-parser.c (c_parser_compound_statement_nostart): Reset
3443 parser->error after each statement.
3445 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3448 * omp-low.c (lower_omp_parallel): Convert t to
3449 receiver_decl's type.
3450 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3451 source before comparison.
3454 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3455 to itype in assignment to oldival2.
3457 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3461 * c-typeck.c (build_compound_expr): If the second expression
3462 is an error mark, then just return an error mark instead of
3463 creating a COMPOUND_EXPR.
3465 2006-07-14 Mike Stump <mrs@apple.com>
3467 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3469 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3471 * c-decl.c, var-tracking.c: Fix comment typos.
3473 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3475 PR rtl-optimization/28634
3476 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3477 for floating-point modes unless flag_unsafe_math_optimizations.
3479 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3480 Andrew Pinski <pinskia@physics.uc.edu>
3483 * tree.c (build_array_type): Unify array types with
3484 unspecified index_type.
3485 * c-decl.c (grokdeclarator): Make sure we do not modify a
3486 unified incomplete array type.
3487 * c-typeck.c (store_init_value): Create distinct type before
3488 filling in the index type in an initializer from a compound
3491 * c-decl.c (grokdeclarator): Remove code where we copy the
3494 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3496 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3497 into account for TODO_dump_cgraph.
3498 (TODO_update_ssa_no_phi): Likewise.
3499 (TODO_update_ssa_full_phi): Likewise.
3500 (TODO_update_ssa_only_virtuals): Likewise.
3501 (TODO_remove_unused_locals): Likewise.
3502 (TODO_set_props): Likewise.
3503 (TODO_update_stmt_usage): Likewise.
3505 2006-08-13 Dirk Mueller <dmueller@suse.de>
3507 * c-common.c (strict_aliasing_warning): Fix formatting.
3509 2006-08-13 Matthias Klose <doko@debian.org>
3511 * doc/invoke.texi: Fix spelling errors.
3513 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3515 PR rtl-optimization/23454
3516 * reorg.c (relax_delay_slots): Update comment.
3518 2006-08-11 Richard Guenther <rguenther@suse.de>
3521 * simplify-rtx.c (simplify_const_relational_operation):
3522 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3525 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3527 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3528 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3530 2006-08-10 Paul Brook <paul@codesourcery.com>
3532 * final.c (final_scan_insn): Clear current_insn_predicate before
3533 outputting inline asm.
3535 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3537 PR tree-optimization/26197
3538 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3539 get_ref_base_and_extent and overlap_subvar to add only relevant
3540 subvars as may-aliases.
3541 (add_may_alias_for_new_tag): New function, factored out of
3543 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3544 with additional argument.
3545 * tree-flow.h (new_type_alias): Takes additional argument.
3547 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3549 * gcov.c (no_data_file): New flag.
3550 (read_count_file): Set it if data file not present. Assume counts
3552 (output_lines): Don't name the data file, if there wasn't one.
3554 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3556 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3557 (rs6000_generate_compare): Tweak comments.
3558 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3560 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3562 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3563 (var_debug_decl): New function.
3564 (var_reg_set): Follow debug decl link. Add location even if
3565 reg is already known to hold some other variable.
3566 (var_mem_set): Follow debug decl link.
3567 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3568 decl link. Delete other known locations of the variable part
3570 (var_reg_delete, var_mem_delete): Delete other known locations
3571 of the variable part if requested.
3572 (same_variable_part_p): New function.
3573 (add_stores): Select MO_COPY when appropriate.
3574 (vt_initialize): Handle it.
3575 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3576 known locations for MO_SET and MO_CLOBBER.
3577 (find_variable_location_part): New function.
3578 (set_variable_part, delete_variable_part): Use it.
3579 (clobber_variable_part): New function.
3580 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3583 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3585 PR tree-optimization/26969
3586 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3587 with an empty list of PHIs.
3589 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3593 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3596 2006-08-06 Andreas Schwab <schwab@suse.de>
3598 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3599 string. Whitespace and comment fixup.
3601 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3604 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3608 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3611 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3613 2006-08-04 Jan Hubicka <jh@suse.cz>
3617 * reload.c (push_reload): Patch out the mismatching instruction;
3619 (find_reload): Bail out if the instruction was patched out.
3621 2006-08-04 Jan Hubicka <jh@suse.cz>
3623 PR tree-optimization/24888
3624 * tree-inline.c (expand_call_inline): Do not re-record variables.
3625 (declare_inline_vars): Add variable to unexpanded_var_list.
3627 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3628 Roger Sayle <roger@eyesopen.com>
3630 PR rtl-optimization/26244
3631 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3632 inner_const are negative or greater than or equal to the bitsize of
3633 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3634 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3635 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3636 CONST0_RTX (mode) when the new shift count is greater than or equal to
3637 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3640 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3642 * tree-cfg.c: Fix a comment typo.
3644 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3647 * varasm.c (output_constant): Give the front end another chance to
3648 expand constants, after stripping NOPs.
3650 2006-08-03 Jan Hubicka <jh@suse.cz>
3652 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3655 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3657 PR tree-optimization/27770
3658 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3659 declaration removed (moved to tree-flow.h).
3660 (vect_can_force_dr_alignment_p): Likewise.
3661 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3662 (moved from tree-vectorizer.h).
3663 (vect_can_force_dr_alignment_p): Likewise.
3664 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3665 from outside the vectorizer - in particular from cgraph stage.
3666 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3667 the alignment of global arrays when -fsection-anchors is enabled.
3668 * cgraphunit.c (cgraph_increase_alignment): New function.
3669 (cgraph_optimize): Call cgraph_increase_alignment.
3671 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3674 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3675 not reload a SPE symbol_ref into a lo_sum address.
3677 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3680 * dwarf2out.c (prune_unused_types_prune): Move call to
3681 prune_unused_types_update_strings to cover the parent DIE also.
3683 2006-08-02 Jan Hubicka <jh@suse.cz>
3685 PR gcov/profile/28480
3686 * tree-cfg.c (change_bb_for_stmt): New function.
3687 (tree_merge_blocks, tree_split_blocks): Use it.
3689 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3695 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3696 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3697 (cgraph_optimize): Likewise.
3699 2006-08-01 Stuart Hastings <stuart@apple.com>
3701 * rtl.h (UINTVAL) New.
3702 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3703 * testsuite/gcc.dg/20060801-1.c: New.
3705 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3708 * c-typeck.c (build_external_type): Mark used enum types.
3709 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3711 (gen_subprogram_die): Whitespace fix.
3713 2006-08-01 Jan Hubicka <jh@suse.cz>
3715 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3716 bitmap when not needed.
3717 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3720 2006-08-01 Dirk Mueller <dmueller@suse.de>
3722 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3724 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3726 * Makefile.in: Revert part of previous patch:
3727 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3730 2006-07-30 Eric Christopher <echristo@apple.com>
3733 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3734 (PowerPC Variable Attributes): New section.
3736 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3738 PR target/28126 (partial fix)
3739 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3741 2006-07-28 Jan Hubicka <jh@suse.cz>
3743 PR rtl-optimization/28071
3744 * cfgrtl.c (rtl_delete_block): Free regsets.
3745 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3747 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3749 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3750 and variables used in dependencies.
3752 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3754 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3755 %fs for -mcmodel=kernel.
3756 (stack_tls_protect_test_di): Likewise.
3758 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3760 * Makefile.in: Use mkinstalldirs.
3762 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3765 * opts-common.c (prune_options): Skip joined switches.
3767 2006-07-27 Jan Hubicka <jh@suse.cz>
3769 PR rtl-optimization/28071
3770 * cselib.c (cselib_process_insn): Don't remove useless values too
3771 often for very large hashtables.
3773 2006-07-27 Jan Hubicka <jh@suse.cz>
3775 PR rtl-optimization/28071
3776 * global.c (greg_obstack): New obstack.
3777 (allocate_bb_info): Use it.
3778 (free_bb_info): Likewise.
3779 (modify_reg_pav): Likewise.
3781 2006-07-27 Roger Sayle <roger@eyesopen.com>
3783 * builtins.c (fold_fixed_mathfn): When long and long long are the
3784 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3785 functions to their lceil*, lfloor*, lround* and lrint* forms.
3787 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3790 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3792 (rev_branch_insn): Likewise.
3794 2006-07-27 Jan Hubicka <jh@suse.cz>
3796 PR rtl-optimization/28071
3797 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3798 (reg_set_in_bb, max_reg_computed): New static variables.
3799 (regmove_optimize): Free the new array.
3800 (fixup_match_1): Update call of reg_is_remote_constant_p.
3802 2006-07-26 Jan Hubicka <jh@suse.cz>
3804 PR tree-optimization/27882
3805 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3807 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3809 (cgraph_analyze_compilation_unit): Likewise.
3810 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3811 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3812 (cgraph_early_inlinine): Make order garbage collected.
3813 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3815 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3817 * dbxout.c (output_types_sort): Add a comment.
3818 (output_used_types): Free the VEC.
3820 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3822 * function.c (reorder_fix_fragments): Delete.
3823 (reorder_blocks): Don't call it.
3824 (reorder_blocks_1): Put all subblocks under the origin block.
3826 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3828 PR rtl-optimization/27907
3829 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3832 2006-07-25 Roger Sayle <roger@eyesopen.com>
3835 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3836 bar(x) check that bar's result type can represent all the values of T.
3838 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3840 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3842 2006-07-25 Nick Clifton <nickc@redhat.com>
3844 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3845 size_lookup[] array.
3846 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3847 (ggc_pch_count_object): Likewise.
3848 (ggc_pch_alloc_object): Likewise.
3849 (ggc_pch_write_object): Likewise.
3850 (init_ggc): Do not attempt to initialize entries in the
3851 size_lookup[] array for objects whose size is greater than than
3852 the length of the array.
3854 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3856 * dbxout.c (output_used_types_helper): Push queued types
3858 (output_types_sort): New.
3859 (output_used_types): Collect used types on a VEC and sort them
3862 2006-07-24 Richard Guenther <rguenther@suse.de>
3865 * cgraph.c (cgraph_remove_node): Do not check if dumps
3867 * cgraphunit.c (cgraph_optimize): Likewise.
3869 2006-07-24 Jan Hubicka <jh@suse.cz>
3871 PR rtl-optimization/28071
3872 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3873 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3874 splitting before first stmt.
3876 2006-07-24 Jan Hubicka <jh@suse.cz>
3878 PR rtl-optimization/28071
3879 * ipa-inline.c (update_caller_keys): Remove edges that
3880 are no longer inline candidates.
3882 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3885 * dbxout.c (output_used_types_helper, output_used_types): New.
3886 (dbxout_symbol): Call output_used_types.
3888 2006-07-23 Jan Hubicka <jh@suse.cz>
3892 * cgraph.c (cgraph_varpool_nodes): Export.
3893 (decide_is_variable_needed): Ignored "used" attribute in
3894 unit-at-a-time mode.
3895 * cgraph.h (cgraph_varpool_nodes): Declare.
3896 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3897 unit-at-a-time mode.
3899 2006-07-23 Roger Sayle <roger@eyesopen.com>
3902 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3903 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3904 the __gthrw form of thr_keycreate.
3905 (__gthread_key_delete): Silence the unused argument warning.
3907 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3910 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3911 Cache the last found '\0' marker to avoid quadratic behavior.
3913 2006-07-23 Jan Hubicka <jh@suse.cz>
3915 * i386.md (subsi_3_zext): Fix output template.
3917 2006-07-21 Mike Stump <mrs@apple.com>
3919 * doc/invoke.texi (C++ Dialect Options): Note that
3920 -fvisibility-inlines-hidden doesn't affect explicitly
3921 instantiationed inline methods.
3923 2006-07-20 Roger Sayle <roger@eyesopen.com>
3925 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3926 if the target assembler is GNU binutils' gas.
3927 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3928 whether to pass GNU gas or native as command line options.
3930 2006-07-20 Jason Merrill <jason@redhat.com>
3932 * tree.c (remove_attribute): New fn.
3933 * tree.h: Declare it.
3935 2006-07-20 Paul Brook <paul@codesourcery.com>
3938 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3939 they are invalidated by this instruction.
3941 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3944 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3946 2006-07-20 Eric Christopher <echristo@apple.com>
3949 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3951 2006-07-19 Eric Christopher <echristo@apple.com>
3953 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3954 Rewrite dependencies for libgcc_s.1.dylib.
3956 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3958 * except.c (duplicate_eh_regions_1): Clear next_peer.
3960 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3962 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3963 -mlongcall does not guarantee all calls will be long.
3964 * doc/extend.texi (long_call/short_call): Document that longcall
3965 does not guarantee a long call will be used.
3966 (longcall/shortcall): Likewise.
3968 2006-07-18 Roger Sayle <roger@eyesopen.com>
3971 * expmed.c (expand_shift): Additionally check that the shift_cost
3972 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3973 before implementing a LSHIFT_EXPR as a sequence of additions.
3974 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3975 middle-end that DImode shifts need to be synthesized by expand.
3977 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3980 * tree-ssa-operands.c (access_can_touch_variable): Update
3982 Return true if ALIAS is .GLOBAL_VAR.
3984 2006-07-18 David Daney <ddaney@avtrex.com>
3986 * gcc.c (display_help): Fix typo in help text.
3988 2006-07-18 Olivier Hainque <hainque@adacore.com>
3990 * tree.h (categorize_ctor_elements): Adjust prototype and add
3991 descriptive comment, both in accordance with the interface change
3993 * varasm.c (constructor_static_from_elts_p): New function.
3994 Whether a constructor node is a valid static constant initializer
3995 if all its elements are.
3996 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3997 * output.h: Declare it.
3998 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3999 is a valid constant initializer instead of computing the number of
4000 non-constant elements. Use constructor_static_from_elts_p for this
4001 purpose. Replace the head comment with an indication that this is a
4002 helper for categorize_ctor_elements.
4003 (categorize_ctor_elements): Same interface change as for the _1
4004 helper. Former head comment from this helper moved here, adjusted to
4005 account for the interface changes.
4006 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4007 (all_zeros_p): Likewise.
4008 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4009 static versions of the constructor from the categorize_ctor_elements
4010 return value instead of the formerly computed number of non-constant
4013 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4015 * configure: Regenerate.
4016 * Makefile.in (build_libsubdir): New configure substitution
4017 (build_libobjdir): New variable.
4018 (BUILD_LIBIBERTY): Use it.
4020 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4023 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4025 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4028 * c-common.c (handle_weakref_attribute): Ignore attribute in
4029 the same conditions the alias attribute is ignored.
4031 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4033 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4034 (dbxout_begin_prologue): Increment scope_labelno.
4036 2006-07-17 Richard Henderson <rth@redhat.com>
4039 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4042 2006-07-17 Roger Sayle <roger@eyesopen.com>
4043 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4045 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4046 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4047 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4048 functions such as sbrk, write, etc.. Add function prototypes.
4049 Convert function declarations from K&R to ISO C. Cast pointers
4050 to "long" and "unsigned long" instead of "int" and "unsigned int".
4051 Convert tokens following #endif into comments.
4053 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4055 * invoke.texi: Remove mention of f77; Reformat table for
4056 inline parameter options correctly; mention that -malign-double
4057 is default on x86-64 targets.
4059 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4061 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4062 (convert_affine_scev, chrec_convert_aggressive): Use
4063 avoid_arithmetics_in_type_p. Do not check for the subtypes
4066 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4069 * optabs.c (expand_doubleword_shift): Wrap the call to
4070 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4072 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4075 * optabs.c (expand_binop): Pass next_methods rather than methods
4076 to expand_doubleword_shift.
4078 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4081 * tree.h (dump_addr): Declare.
4082 * print-tree.c (dump_addr): New function.
4083 (print_node_brief, print_node): Use it.
4084 * print-rtl.c (print_rtx): Likewise.
4085 * common.opt (-fdump-noaddr): New option.
4086 * doc/invoke.texi (-fdump-noaddr): Document.
4087 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4088 (ve_info_hash): Likewise.
4090 2006-07-13 Andrew Haley <aph@redhat.com>
4092 PR tree-optimization/19505
4093 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4094 edge leaving this block, make sure that the destination of this
4095 block has only one predecessor.
4097 2006-07-17 Richard Guenther <rguenther@suse.de>
4099 PR tree-optimization/28238
4100 * tree-inline.c (copy_bb): Check if we produced valid
4101 gimple copying and substituting a stmt. If not, gimplify
4104 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4106 * optabs.c (maybe_encapsulate_block): New function extracted from...
4107 (emit_libcall_block): ...here. Invoke it on the block of insns to
4108 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4109 (emit_no_conflict_block): Likewise.
4111 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4113 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4115 2006-07-15 Roger Sayle <roger@eyesopen.com>
4117 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4118 a new NOP_EXPR case of the switch statement.
4120 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4123 * stor-layout.c (place_field): Take the bit field with
4124 an excessive size into account in the ms-bitfiled case.
4127 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4128 the previous bit field.
4130 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4133 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4135 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4137 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4138 signal frames correctly even when the signal was installed with
4141 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4143 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4144 (dbxout_function_end): Use local label LFBB. Remove hook
4146 (dbxout_source_line): Use local label LFBB.
4147 (dbxout_block): Likewise.
4148 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4149 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4150 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4151 and DBX_OUTPUT_NFUN.
4153 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4155 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4157 2006-07-13 Jan Hubicka <jh@suse.cz>
4159 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4161 * output.h (align_variable): Declare.
4162 * varasm.c (align_variable): Export.
4163 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4164 when basic block changed.
4166 2006-07-13 Nick Clifton <nickc@redhat.com>
4168 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4169 walking the LOG_LINKS chain.
4171 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4173 * doc/invoke.texi (C++ Dialect Options): Explain difference
4174 between -fvisibility-inlines-hidden and setting hidden
4175 visibility explicitly.
4177 2006-07-12 Eric Christopher <echristo@apple.com>
4179 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4180 (stmp-lipo): Depend on libgcc.a.
4182 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4184 * tree.c: Fix a comment typo.
4186 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4188 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4190 (umulhisi3_r): Likewise.
4192 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4195 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4196 x < 19, vs wchar_t support.
4198 2006-07-12 Nick Clifton <nickc@redhat.com>
4200 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4201 instead of -isa=sh4.
4203 2006-07-12 Mike Stump <mrs@apple.com>
4205 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4207 2006-07-10 Eric Christopher <echristo@apple.com>
4209 * config/t-slibgcc-darwin: Rewrite.
4211 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4214 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4217 2006-07-08 Matthias Klose <doko@debian.org>
4219 * doc/sourcebuild.texi: Fix typo.
4221 2006-07-07 Mike Stump <mrs@apple.com>
4223 * toplev.c (process_options): Don't give -ffunction-sections may
4224 affect debugging warning for Mach-O.
4226 2006-07-07 James E Wilson <wilson@specifix.com>
4228 * config/mips/mips.md (cpu): Add sb1a.
4229 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4230 addition to sb1. Adjust comments to clarify SB-1A differences from
4232 (ir_sb1a_load): New. Modify bypasses to use it.
4233 (ir_sb1a_simple_alu): Likewise.
4234 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4235 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4236 (mips_issue_rate): Add PROCESSOR_SB1A.
4237 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4238 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4239 (TARGET_SB1): Add PROCESSOR_SB1A check.
4240 (TUNE_SB1): Likewise.
4242 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4243 * config/mips/mips.c (mips_store_data_bypass_p): New.
4244 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4245 store_data_bypass_p.
4247 2006-07-08 Paul Brook <paul@codesourcery.com>
4250 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4252 2006-07-07 Richard Guenther <rguenther@suse.de>
4255 * tree.h (build_one_cst): Declare.
4256 * tree.c (build_one_cst): New function.
4257 * tree-ssa-math-opts.c (get_constant_one): Remove.
4258 (insert_reciprocals): Use build_one_cst.
4259 * fold-const.c (fold_plusminus_mult): Likewise.
4261 2006-07-07 Roger Sayle <roger@eyesopen.com>
4263 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4264 * cfgloopanal.c (dump_graph): Likewise.
4265 * dojump.c (discard_pending_stack_adjust): Likewise.
4266 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4268 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4269 * function.c (finalize_block_changes): Likewise.
4270 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4271 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4272 * rtl.c (dump_rtx_statistics): Likewise.
4273 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4275 * varray.c (dump_varray_statistics): Likewise.
4276 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4277 decode_decimal64, encode_decimal128, decode_decimal128,
4278 decimal_real_to_decimal): Likewise.
4280 2006-07-07 Richard Guenther <rguenther@suse.de>
4282 PR tree-optimization/28187
4283 * tree-vrp.c (vrp_operand_equal_p): New function.
4284 (vrp_bitmap_equal_p): Likewise.
4285 (update_value_range): Use them to compare old and new
4288 2006-07-06 Roger Sayle <roger@eyesopen.com>
4290 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4291 a default case to switch statement to silence compiler warnings.
4293 2006-07-06 Roger Sayle <roger@eyesopen.com>
4296 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4297 the configured assembler supports the x87's ffreep mnemonic.
4298 * configure: Regenerate.
4299 * config.in: Regenerate.
4301 * config/i386/i386.c (output_387_ffreep): New function.
4302 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4303 (output_387_reg_move): Likewise.
4305 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4307 Port to hosts whose 'sort' and 'tail' implementations
4308 treat operands with leading '+' as file names, as POSIX
4309 has required since 2001. However, make sure the code still
4310 works on pre-POSIX hosts.
4311 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4312 which says you should use "tail -c +N" rather than "tail +Nc".
4313 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4315 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4317 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4320 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4323 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4324 PRE_{INC,DEC} of TFmode.
4326 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4327 Alan Modra <amodra@bigpond.net.au>
4330 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4333 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4336 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4337 Remove duplicate gtu.
4339 2006-07-05 Jason Merrill <jason@redhat.com>
4343 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4344 * c-common.c (handle_packed_attribute): So don't copy it here.
4345 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4347 2006-07-05 Mike Stump <mrs@apple.com>
4349 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4351 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4354 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4356 2006-07-05 Richard Guenther <rguenther@suse.de>
4359 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4360 TARGET_SSE2 targets if using SSE math.
4361 (*absdf2_1): Likewise.
4363 2006-07-05 Richard Guenther <rguenther@suse.de>
4365 PR tree-optimization/28162
4366 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4367 make sure to convert the operands to the correct type.
4369 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4371 PR tree-optimization/28218
4373 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4374 to calculate and free the dominator information.
4376 2006-07-04 Peter O'Gorman <peter@pogma.com>
4378 * mklibgcc.in: chmod 644 before ranlib during install.
4380 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4381 J"orn Rennecke <joern.rennecke@st.com>
4383 * configure.ac (.eh_frame data check): Use diff -b.
4385 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4388 * Makefile.in (BUILD_RTL): Add build/vec.o.
4389 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4390 (build/genextract): Delete.
4391 (build/genautomata): Likewise.
4393 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4396 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4397 128-bit IBM long doubles for ABI_V4.
4399 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4401 * tree.c (range_in_array_bounds_p): New predicate.
4402 * tree.h (range_in_array_bounds_p): Declare it.
4403 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4404 return a less conservative answer.
4405 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4406 and flag 'is_group'.
4407 (IS_ELEMENT_FOR_GROUP): New macro.
4408 (FOR_EACH_ACTUAL_CHILD): Likewise.
4409 (next_child_for_group): New helper function.
4410 (can_completely_scalarize_p): Take into account groups.
4411 (sra_hash_tree): Handle RANGE_EXPR.
4412 (sra_elt_eq): Likewise.
4413 (lookup_element): Be prepared for handling groups.
4414 (is_valid_const_index): Delete.
4415 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4416 instead of is_valid_const_index.
4417 <ARRAY_RANGE_REF>: New case.
4418 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4419 is_valid_const_index.
4420 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4421 (scan_dump): Dump info for groups too.
4422 (decide_instantiation_1): Likewise.
4423 (decide_block_copy): Assert that the element is not a group.
4424 Propagate decision to groups.
4425 (generate_one_element_ref): Handle RANGE_EXPR.
4426 (mark_no_warning): Iterate over actual childs.
4427 (generate_copy_inout): Likewise.
4428 (generate_element_copy): Likewise.
4429 (generate_element_zero): Likewise.
4430 (generate_element_init_1): Likewise.
4431 (dump_sra_elt_name): Handle RANGE_EXPR.
4433 2006-07-03 Roger Sayle <roger@eyesopen.com>
4435 PR tree-optimization/26251
4436 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4437 (thread_block): When optimizing for size refuse to thread jumps
4438 that would require duplication of blocks other than redirection
4441 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4443 * configure.ac: Fix thinko in previous check-in.
4444 * configure: Regenerate.
4446 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4449 * configure.ac (for lang...): Simplify nesting of conditionals.
4450 Test subdir_requires for non-enabled languages. Move processing
4451 of lang_opt_files and lang_tree_fiels below that test.
4452 * configure: Regenerate.
4453 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4455 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4457 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4459 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4461 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4464 2006-06-29 Jason Merrill <jason@redhat.com>
4471 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4472 * c-common.c (c_determine_visibility): Handle it here.
4473 * c-decl.c (finish_decl): Call c_determine_visibility for
4475 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4477 * varasm.c (default_assemble_visibility): Likewise.
4478 * c-common.c (handle_visibility_attribute): Complain about trying
4479 to give visibility to an already defined class, or trying to change
4480 declared visibility. Always attach the attribute.
4485 * attribs.c (decl_attributes): Ignore type-in-place attributes
4486 once the type has been defined.
4488 2006-06-29 Roger Sayle <roger@eyesopen.com>
4491 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4492 to indicate the cpplib has issued an error message for us.
4494 2006-06-29 Asher Langton <langton2@llnl.gov>
4497 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4498 insert a label at the end of an function under Mach-O.
4500 2006-06-29 Eric Christopher <echristo@apple.com>
4501 Evan Cheng <evan.cheng@apple.com>
4503 * predicates.md (vector_all_ones_operand): New.
4504 (nonimmediate_or_sse_const_operand): Ditto.
4505 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4506 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4507 (standard_sse_mode_p): Ditto.
4508 (standard_sse_constant_p): Add case for -1 vector.
4509 (ix86_expand_vector_move): Try to use.
4510 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4511 Call standard_sse_constant_opcode.
4512 (*movv4sf_internal): Ditto.
4513 (*movv2df_internal): Ditto.
4515 2006-06-29 Roger Sayle <roger@eyesopen.com>
4517 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4518 of XEXP to extract the operands of a MATCH_CODE rtx.
4520 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4522 * tree.c (tree_size): Do not waste tail padding in
4523 struct tree_string and make the size be the same as
4524 build_string will generate.
4526 2006-06-28 Jason Merrill <jason@redhat.com>
4529 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4530 may_aliases already in the tag's annotations to the bitmap.
4532 2006-06-28 Roger Sayle <roger@eyesopen.com>
4534 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4536 2006-06-28 Roger Sayle <roger@eyesopen.com>
4538 * genpreds.c (generate_switch_p): New function.
4539 (add_mode_tests): Push the new mode test down inside an AND expr
4540 if this allows the switch-suitable MATCH_CODE to be near the root.
4541 (write_match_code_switch): New function to write a MATCH_CODE as
4543 (write_predicate_stmts): New function to write a predicate RTX
4544 expression as a sequence of statements.
4545 (write_one_predicate_function): Use write_predicate_stmts.
4546 (write_tm_constrs_h): Likewise.
4548 2006-06-26 Fred Fish <fnf@specifix.com>
4550 * config/mips/t-sb1: New file.
4551 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4554 2006-06-26 DJ Delorie <dj@redhat.com>
4556 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4558 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4559 Jayant Sonar <jayants@kpitcummins.com>
4560 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4562 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4563 (subsi3, subsi3_1, subsi3_2): New.
4564 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4565 * config/m32c/mov.md (SI mov peephole): New.
4566 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4567 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4569 2006-06-26 Olivier Hainque <hainque@adacore.com>
4571 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4572 a CALL_EXPR target function declaration.
4574 2006-06-26 Richard Guenther <rguenther@suse.de>
4576 * tree.c (build_string): Do not waste tail padding in
4579 2006-06-26 Richard Guenther <rguenther@suse.de>
4581 * ggc-page.c (init_ggc): Add missing element to size_lookup
4585 2006-06-23 Richard Guenther <rguenther@suse.de>
4587 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4588 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4589 alignment requests instead. Add verification code.
4590 Add struct tree_function_decl and struct tree_binfo size to
4591 extra_order_size_table. Add missing element to size_lookup
4594 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4597 * fold-const.c (const_binop): Be prepared for self returning zero.
4598 Simplify code handling complex values.
4600 2006-06-24 Olivier Hainque <hainque@adacore.com>
4602 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4603 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4606 2006-06-24 Olivier Hainque <hainque@adacore.com>
4608 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4609 ARRAY_REF, so have the callback called for the low bound expression.
4611 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4613 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4614 * c-typeck.c (c_common_type): Disallow operations on decimal float
4615 types and other float types.
4616 * convert.c (convert_to_real): Don't ignore conversions involving
4617 decimal float types.
4619 2006-06-23 Olivier Hainque <hainque@adacore.com>
4621 * tree.c (max_int_size_in_bytes): New function, inspired from
4622 code in function.c:assign_temp.
4623 * tree.h (max_int_size_in_bytes): Declare.
4624 * function.c (assign_temp): Use it.
4625 * gimplify.c (create_tmp_var): Relax the assertions on the type
4626 properties, not mandating constant size any more.
4627 (force_constant_size): New static function.
4628 (gimple_add_tmp_var): Use it, forcing variable size to a
4629 constant upper bound if it is not constant on entry.
4631 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4634 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4635 for initialization and setting of one_only flag to ...
4636 (i386_pe_encode_section_info): ...here.
4637 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4638 Recheck that the symbol has not been defined.
4640 2006-06-23 Richard Guenther <rguenther@suse.de>
4642 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4643 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4644 alignment requests instead. Add verification code.
4645 Add struct tree_function_decl and struct tree_binfo size to
4646 extra_order_size_table. Add missing element to size_lookup
4649 2006-06-22 Roger Sayle <roger@eyesopen.com>
4650 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4653 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4654 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4656 2006-06-23 Ben Elliston <bje@au.ibm.com>
4658 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4659 negate dn -- manipulate it directly.
4661 2006-06-22 Roger Sayle <roger@eyesopen.com>
4662 Steven Bosscher <stevenb.gcc@gmail.com>
4665 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4666 generated by gen_move_insn to add REG_LABEL notes if necessary.
4668 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4670 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4671 (leaf_entry): Remove use of MIN_ESA.
4673 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4675 PR rtl-optimization/28121
4676 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4679 2006-06-21 DJ Delorie <dj@redhat.com>
4681 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4683 (mulhisi3_r): Likewise.
4685 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4688 * coverage.c (coverage_counter_alloc): Leave the index type
4690 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4693 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4695 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4696 section from the "Options for Code Generation Conventions".
4698 2006-06-21 Richard Henderson <rth@redhat.com>
4702 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4704 (global_symbolic_operand): Allow weak symbols, even if local_p.
4706 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4708 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4709 (find_interesting_uses_address): Punt if above function returns true.
4711 2006-06-21 Richard Guenther <rguenther@suse.de>
4713 * configure: Regenerated.
4715 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4717 * config/mips/mips.c (function_arg): Where one part of a
4718 complex argument is in registers and the other part in the stack,
4719 return a REG not a PARALLEL.
4721 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4723 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4724 when cross-compiling. Do not substitute libstdcxx_incdir.
4725 * configure: Regenerated.
4727 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4729 * varasm.c (mergeable_string_section): Check for embedded NULs and
4730 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4731 rather than TREE_STRING_LENGTH bytes.
4733 2006-06-21 Richard Guenther <rguenther@suse.de>
4735 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4736 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4739 2006-06-21 Richrad Guenther <rguenther@suse.de>
4741 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4742 Limit iteration over the dominators.
4744 2006-06-20 Roger Sayle <roger@eyesopen.com>
4746 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4747 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4749 2006-06-20 Richard Guenther <rguenther@suse.de>
4750 Michael Matz <matz@suse.de>
4752 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4754 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4755 * et-forest.h (et_free_pools): Prototype new function.
4756 * et-forest.c (et_free_tree_force): Free parent occurrence.
4757 (et_free_pools): New function.
4758 * dominance.c (free_dominance_info): Free et-forest alloc
4761 2006-06-20 Roger Sayle <roger@eyesopen.com>
4763 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4764 integer modes, attempt to directly construct an integer constant.
4766 * fold-const.c (native_encode_vector): Determine the size of each
4767 element from the vector type instead of the first vector element.
4769 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4770 if all of its elements/components are constant.
4771 (build_constructor_from_list): Likewise.
4773 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4775 PR tree-optimization/27331
4776 * tree-data-ref.c (free_data_ref): New function.
4777 (create_data_ref): Fail if the data reference has unknown access
4779 (free_data_refs): Use free_data_ref.
4781 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4784 * tree-inline.c (setup_one_parameter): Strip useless
4785 type conversion before adding it to the IR.
4786 (declare_return_variable): Likewise.
4788 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4791 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4793 2006-06-19 Mike Stump <mrs@apple.com>
4795 * tree.c (variably_modified_type_p): VM arguments don't make the
4798 2006-06-19 Richard Guenther <rguenther@suse.de>
4800 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4801 type conversions after folding.
4803 2006-06-19 Richard Guenther <rguenther@suse.de>
4805 * ggc-page.c (extra_order_size_tab): Add entries with
4806 size of struct function and basic_block.
4807 (size_lookup): Extend to cover sizes up to 511.
4808 (ggc_alloc_stat): Adjust user.
4809 (ggc_pch_count_object): Likewise.
4810 (ggc_pch_alloc_object): Likewise.
4811 (ggc_pch_write_object): Likewise.
4813 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4815 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4816 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4819 2006-06-19 Denis Chertykov <denisc@overta.ru>
4821 * config/avr/libgcc.S : Correct my wrong previous commit.
4823 2006-06-19 Roger Sayle <roger@eyesopen.com>
4826 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4827 have stripped a SUBREG from the shift count, so we may need to
4828 convert_to_mode back to the type's mode before calling make_tree.
4829 Use new_amount instead of amount to avoid expanding a tree twice.
4831 2006-06-19 Richard Guenther <rguenther@suse.de>
4834 * fold-const.c (operand_equal_p): Check if the argument types
4835 have the same precision before stripping NOPs.
4837 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4839 Fix PR tree-optimization/27341
4840 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4842 * tree-complex.c (pass_lower_complex): Update SMT usage.
4844 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4846 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4847 Add a new alternative to the constraint strings. Add move of
4848 operand 1 to 3 to the splitter definition.
4849 ("doloop_si_long"): Second contraint alternative removed.
4851 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4853 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4854 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4856 (AVR_HAVE_MOVW) Define.
4857 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4858 (ASM_SPEC): Add avr25.
4859 (LINK_SPEC): Add avr25.
4860 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4861 (base_arch_s): Add new member 'have_movw_lpmx'.
4862 (avr_arch_types): Init 'have_movw_lpmx'.
4863 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4864 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4865 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4866 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4867 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4869 (avr_file_start): Do not output '.arh' derective.
4870 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4871 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4872 * config/avr/avr.md (mcu_enhanced): Delete.
4873 (mcu_have_movw): Define.
4874 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4875 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4876 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4877 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4878 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4879 attiny861 and at86rf401 devices.
4881 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4883 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4886 2006-06-17 Karl Berry <karl@gnu.org>
4888 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4889 doc/gccint.texi, doc/install.texi (@dircategory): Use
4890 "Software development" instead of "Programming", following
4891 the Free Software Directory.
4893 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4895 * config/i386/i386.c (legitimate_tls_address)
4896 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4897 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4898 (*tls_dynamic_gnu2_combine_64): Likewise.
4900 2006-06-16 Richard Guenther <rguenther@suse.de>
4903 * fold-const.c (negate_expr_p): Do not introduce undefined
4904 overflow in negating INTEGER_CSTs.
4905 (fold_negate_expr): Rename from negate_expr. Revert last
4906 change for folding BIT_NOT_EXPR. Change semantics to
4907 return NULL_TREE for non-simplified negations. Do not
4908 strip type conversions and unify type handling.
4909 (negate_expr): New function, wrap around fold_negate_expr
4910 but ensure building a tree always. Strip type conversions
4911 here, fold to result type.
4912 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4914 2006-06-16 Roger Sayle <roger@eyesopen.com>
4917 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4918 that (would) return their results in stack registers.
4920 2006-06-16 Michael Matz <matz@suse.de>
4921 Richard Guenther <rguenther@suse.de>
4923 * fold-const.c (fold_truthop): Only return new tree node if
4924 we canonicalized something.
4926 2006-06-16 Richard Guenther <rguenther@suse.de>
4928 * function.h (enum function_frequency): Move declaration
4929 out of struct function.
4930 (struct function): Move bool fields and the enum to the bitfield
4931 section. Reorder elements to avoid padding. Remove unused
4932 fields left over from the RTL inliner removal.
4933 * function.c (free_after_compilation): Do not zero removed fields.
4934 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4935 (ipa-type-escape.o): Likewise.
4937 2006-06-16 Richard Guenther <rguenther@suse.de>
4939 * cgraph.h (struct cgraph_local_info): Turn bool elements
4941 (struct cgraph_node): Likewise.
4942 (struct cgraph_varpool_node): Likewise.
4944 2006-06-15 Richard Guenther <rguenther@suse.de>
4946 * fold-const.c (fold_truth_not_expr): Rename from
4947 invert_truthvalue. Give it fold_* semantics to avoid
4949 (invert_truthvalue): New function. Wrapper around
4950 fold_truth_not_expr.
4951 (optimize_minmax_comparison): Avoid creating garbage.
4952 (fold_unary): Use fold_truth_not_expr for folding
4954 (fold_ternary): Replace uses of invert_truthvalue with
4955 fold_truth_not_expr where applicable.
4956 * tree.h (fold_truth_not_expr): Prototype.
4958 2006-06-16 Richard Guenther <rguenther@suse.de>
4960 PR tree-optimization/27781
4961 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4962 * ipa-pure-const.c (target.h): Include.
4963 (analyze_function): Do not analyze functions that do not
4966 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4969 * tree-dfa.c (referenced_vars_dup_list): Remove.
4970 (find_referenced_vars): Remove assert.
4971 (referenced_var_check_and_insert): Replace dup list with assert.
4972 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4973 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4975 2006-06-15 Richard Guenther <rguenther@suse.de>
4977 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4978 extra unused identifiers if not dumping.
4979 (create_variable_info_for): Likewise.
4981 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4983 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4984 (derive_constant_upper_bound): Derive more precise upper bound in
4985 common cases. Return type changed to double_int.
4986 (record_estimate): Reflect the changed return type of
4987 derive_constant_upper_bound.
4988 * double-int.c (double_int_zext, double_int_sext): Fix.
4990 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4992 * configure.ac (CFLAGS): Get them from the toplevel or from the
4993 configure invocation.
4994 * configure: Regenerate.
4995 * Makefile.in (CFLAGS): Substitute value provided by configure.
4997 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5000 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5001 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5002 rather than calling add_stmt on it.
5003 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5005 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5008 * reload1.c (reload): Remove registers returned by update_eliminables
5009 from used_spill_regs.
5011 2006-06-13 DJ Delorie <dj@redhat.com>
5013 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5015 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5017 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5018 html__strip_dir, html__mkdir_p. Enhance install-html target.
5019 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5020 * configure: Regenerate.
5022 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5024 * fold-const.c (fold_cond_expr_with_comparison): Check for
5025 Objective-C++ as language in deciding COND_EXPR transformation.
5027 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5030 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5031 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5032 * config/sh/lib1funcs.h (SL, SL1): Define.
5033 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5034 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5035 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5036 (OBJS_Os_4_200): New variable.
5037 ($(T)libgcc-Os-4-200.a): Use it.
5038 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5039 when dividing 1 and/or by 0.
5041 2006-06-13 Roger Sayle <roger@eyesopen.com>
5043 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5044 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5045 * configure: Regenerate.
5047 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5049 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5050 for real instruction.
5052 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5055 * haifa-sched.c (check_cfg): Handle special case.
5057 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5060 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5061 Add debug_info parameter. Chain the vars to the BLOCK instead
5062 of the BIND_EXPR if debug info are requested for them.
5063 (pop_gimplify_context): Adjust for above change.
5064 (gimple_add_tmp_var): Likewise.
5065 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5067 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5068 (convert_local_reference): Likewise.
5069 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5070 (finalize_nesting_tree_1): Request that debug info be emitted
5071 for debug_var_chain.
5073 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5075 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5076 for PR target/27863.
5078 2006-06-13 Richard Guenther <rguenther@suse.de>
5081 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5083 2006-06-13 Richard Guenther <rguenther@suse.de>
5085 PR tree-optimization/27830
5086 * tree-inline.c (copy_body_r): For copying the operand
5087 of an ADDR_EXPR make sure to fold &* afterwards.
5089 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5091 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5092 lvalues in the fb_none case with side-effects.
5094 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5096 * tree-flow.h: Remove the prototype for
5097 compute_phi_arg_on_exit.
5098 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5099 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5102 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5104 * builtins.c (expand_builtin_return_addr): Only use
5105 frame_pointer_rtx when count == 0 and we are expanding
5106 __builtin_return_address.
5108 2006-06-12 Fred Fish <fnf@specifix.com>
5110 * config/mips/mips.c (mips_file_start): Create special section
5111 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5113 2006-06-11 Eric Christopher <echristo@apple.com>
5116 * stor-layout.c (place_field): Remove check for
5117 remaining_in_alignment when aligning at the end of a run.
5119 2006-06-11 Eric Christopher <echristo@apple.com>
5122 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5125 2006-06-11 Roger Sayle <roger@eyesopen.com>
5128 Revert incorrect fix for PR target/27158
5129 2006-05-08 Roger Sayle <roger@eyesopen.com>
5130 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5131 of a reg_equiv_constant if the result is a legitimate constant.
5133 2006-06-11 Roger Sayle <roger@eyesopen.com>
5136 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5137 extract a CONST_VECTOR element and interpret it as an integer.
5138 (vspltis_constant): Use const_vector_elt_as_int instead of the
5139 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5140 * config/rs6000/predicates.md (easy_vector_const): Consider
5141 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5143 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5146 * stor-layout.c (update_alignment_for_field): Don't add extra
5147 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5150 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5152 * config/mips/t-rtems: Add EL/EB multilib variants.
5154 2006-06-09 Mike Stump <mrs@apple.com>
5156 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5158 2006-06-09 David Daney <ddaney@avtrex.com>
5160 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5162 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5164 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5166 2006-06-09 Richard Guenther <rguenther@suse.de>
5168 PR tree-optimization/26998
5169 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5170 of signed types, only TYPE_MIN_VALUE is special, but for both,
5171 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5172 in this case, as is -fwrapv.
5174 2006-06-08 Mike Stump <mrs@apple.com>
5177 * config/darwin.c (darwin_asm_output_anchor): Disable
5178 -fsection-anchors on darwin for now.
5179 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5180 * rs6000/rs6000.c (optimization_options): Likewise.
5182 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5185 * config/i386/i386.c (classify_argument): Skip fields with invalid
5188 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5190 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5191 (cse_insn): Likewise for the stack_pointer_rtx.
5193 2006-06-08 Roger Sayle <roger@eyesopen.com>
5195 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5196 conditions from floating point comparisons.
5198 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5201 * expmed.c (struct alg_hash_entry): Fix type of field T
5202 to match synth_mult argument.
5203 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5205 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5208 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5211 2006-06-08 Richard Guenther <rguenther@suse.de>
5214 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5215 only, if overflow is defined and not trapping.
5216 (negate_expr): Likewise.
5218 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5220 PR tree-optimization/27872
5221 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5222 flag on the new exit edge of the unrolled loop.
5224 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5226 PR rtl-optimization/26449
5227 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5229 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5232 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5233 referenced_variables with matching DECL_UID's.
5234 (find_referenced_vars): Make sure duplicate list is empty to start.
5235 (referenced_var_p): Remove.
5236 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5237 Check if var is in the list, and add if needed. Update the duplicate
5238 list if a different var is in the list with the same DECL_UID.
5239 (add_referenced_var): Call routine to check and insert.
5240 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5241 * tree-flow.h (referenced_vars_dup_list): External declaration.
5243 2006-06-07 Fred Fish <fnf@specifix.com>
5245 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5248 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5251 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5252 the imaginary and real parts of a clobbered register.
5253 Emit insn to set the imaginary part.
5255 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5257 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5258 in lieu of unwind-dw2-fde.c.
5260 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5262 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5264 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5267 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5268 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5269 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5270 V4SImode temporaries and operations instead.
5272 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5274 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5277 2006-06-06 Mike Stump <mrs@apple.com>
5279 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5280 installing during build.
5282 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5284 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5286 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5287 * config/ia64/ia64.c (params.h): New header.
5288 (ia64_optimization_options): New function to adjust parameters.
5289 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5290 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5291 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5293 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5295 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5297 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5300 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5302 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5303 Victor Kaplansky <victork@il.ibm.com>
5305 PR tree-optimization/26360
5306 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5309 2006-06-04 Roger Sayle <roger@eyesopen.com>
5310 Andrew Pinski <pinskia@physics.uc.edu>
5313 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5314 for LABEL_DECL before calling DECL_WEAK.
5317 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5318 LABEL_DECL and PARM_DECL.
5320 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5324 * c-decl.c (grokdeclarator): Disallow variably modified types at
5325 file scope. Avoid marking shared array type of constant size as
5328 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5331 * c-common.c (fold_offsetof_1): Handle static members.
5333 2006-06-04 Eric Christopher <echristo@apple.com>
5335 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5336 (debug_rli): Output value for remaining_in_alignment.
5337 (update_alignment_for_field): Unconditionalize
5338 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5339 extra alignment code.
5340 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5341 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5342 * tree.h (record_layout_info_s): Remove prev_packed.
5343 * doc/extend.texi (ms_struct): Add documentation of format.
5345 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5347 * tree.h: Declare folding_initializer.
5348 * builtins.c (fold_builtin_constant_p): Give definite answer
5349 if folding inside an initializer.
5350 * fold-const.c: Define folding_initializer.
5351 (START_FOLD_INIT): Save and then set folding_initializer.
5352 (END_FOLD_INIT): Restore folding_initializer.
5354 2006-06-04 Richard Guenther <rguenther@suse.de>
5356 PR tree-optimization/27039
5357 * fold-const.c (fold_comparison): Handle pointer comparison
5358 again for all comparison codes. Compare offsets in signed
5360 (fold_binary): Move code from here.
5362 2006-06-03 Roger Sayle <roger@eyesopen.com>
5365 * config/i386/i386.c (construct_container): Split static issued_error
5366 flag into issued_sse_arg_error, issued_sse_ret_error and
5367 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5368 requires the use of x87 registers and the user explicitly
5369 specified the -mno-80387 command line option.
5371 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5373 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5374 HAVE_DECL_SIGALTSTACK.
5376 (segv_handler): Use MC_FLD.
5377 * configure.ac: Check for a sigaltstack declaration.
5378 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5379 * configure: Regenerate.
5380 * config.in: Regenerate.
5382 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5385 * Makefile.in (stmp-fixinc): Fix typo.
5387 2006-06-02 Roger Sayle <roger@eyesopen.com>
5389 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5390 are type correct. Clean-up.
5391 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5392 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5394 2006-06-01 DJ Delorie <dj@redhat.com>
5396 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5397 shift, as we've disabled the "switch" insn that needs it.
5399 2006-06-01 Per Bothner <bothner@bothner.com>
5401 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5402 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5403 * c-ppoutput.c (cb_define): Don't increment line 0.
5405 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5407 * doc/invoke.texi: Add cpu_type power6.
5408 * config.gcc: Add cpu_type power6.
5409 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5410 to power5+ with Altivec.
5411 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5412 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5414 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5416 * config/avr/avr.h (SET_ASM_OP): Define.
5418 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5420 * config/bfin/bfin.c: Fix comment typos.
5422 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5425 * doc/install.texi: Document --enable-bootstrap and
5426 --disable-bootstrap.
5428 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5430 * doc/install.texi: Document that InfoZIP can replace jar.
5432 2006-05-31 Roger Sayle <roger@eyesopen.com>
5434 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5435 isn't available, directly generate the simpler x87 patterns without
5436 the (use (const_int 0)).
5437 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5438 implementation isn't available.
5439 (*negdf2_1): Likewise.
5440 (*negxf2_1): XF mode negation is always done using the x87.
5441 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5443 2006-05-31 Roger Sayle <roger@eyesopen.com>
5445 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5446 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5448 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5450 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5452 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5453 * config/bfin/bfin.c (basic-block.h): Include.
5454 (struct machine_function): New.
5455 (bfin_init_machine_status): New.
5456 (override_options): Initialize init_machine_status.
5457 (bfin_hardware_loop): New.
5458 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5459 (DEF_VEC_P (loop_info)): New.
5460 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5461 (struct loop_info): New.
5462 (loop_info): New typedef.
5463 (struct loop_work): New.
5464 (loop_work): New typedef.
5465 (DEF_VEC_O (loop_work)): New.
5466 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5467 (bfin_dump_loops): New.
5468 (bfin_bb_in_loop): New.
5469 (bfin_scan_loop): New.
5470 (bfin_optimize_loop): New.
5471 (bfin_reorg_loops): New.
5472 (bfin_reorg): Use bfin_reorg_loops.
5473 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5475 (I_REGNO_P): Simplify.
5476 (DP_REGNO_P, DPREG_P): New macros.
5477 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5478 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5479 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5480 Add LT_REGS, LC_REGS, LB_REGS.
5481 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5483 (REGNO_REG_CLASS): Deal with loop registers.
5484 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5486 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5487 New constants for loop registers.
5488 (UNSPEC_LSETUP_END): New.
5489 (seq_insns): New define_attr. Set it for appropriate insns.
5490 (movsi_insn): Add alternatives for move from/to
5491 loop count registers.
5492 (doloop_end): New define_expand.
5493 (loop_end): New define_insn.
5494 (define_split for bad doloop_end): New.
5495 (lsetup_with_autoinit): New define_insn.
5496 (lsetup_without_autoinit): New define_insn.
5497 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5498 * config/bfin/predicates.md (lc_register_operand): New.
5499 (lt_register_operand): New.
5500 (lb_register_operand): New.
5501 (nondp_register_operand): New.
5502 (nondp_reg_or_memory_operand): New.
5503 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5505 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5507 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5508 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5510 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5512 * Makefile.in (CATALOGS): Add po/ prefix.
5513 * configure: Regenerated.
5515 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5518 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5519 a shift operand before calling shift_op. Avoid redundant call of
5522 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5523 DJ Delorie <dj@redhat.com>
5525 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5526 we're inserting is a singlt-bit constant.
5528 2006-05-30 Roger Sayle <roger@eyesopen.com>
5530 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5531 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5533 2006-05-30 Roger Sayle <roger@eyesopen.com>
5535 PR tree-optimization/23452
5536 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5537 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5538 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5539 complex values and with -ffast-math for FP complex values.
5541 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5543 * c-common.h: Remove the prototype for yyparse.
5544 * rtl.h: Remove the prototype for init_loop.
5546 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5548 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5551 2006-05-30 Roger Sayle <roger@eyesopen.com>
5553 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5555 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5556 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5558 2006-05-30 Dirk Mueller <dmueller@suse.de>
5561 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5562 for CONSTANT_CLASS_P expresisons.
5564 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5567 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5569 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5571 PR tree-optimization/27779
5572 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5573 initial_condition instead of CHREC_LEFT.
5575 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5577 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5578 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5579 Make prototypes ISO C90.
5581 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5582 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5584 * see.c (see_analyze_one_def): Correct check.
5585 (see_get_extension_data): Check if extension is parallel.
5586 (see_get_extension_reg): Likewise.
5588 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5591 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5592 into register for (code == GTU).
5594 2006-05-29 Roger Sayle <roger@eyesopen.com>
5596 PR tree-optimization/24964
5597 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5598 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5599 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5600 abs(x)*abs(x) as x*x for scalar floating point modes.
5602 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5605 * lambda-code.c (perfect_nestify): Don't copy statements
5606 in the inner loop: move them to the inner loop header.
5608 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5611 * c-tree.texi: Document OpenMP directives and clauses.
5613 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5615 * varasm.c (globalize_decl): Fix indentation.
5617 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5620 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5621 pass_fre, pass_store_ccp, pass_copy_prop,
5622 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5623 pass_return_slot, pass_object_size, pass_lim,
5624 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5625 pass_loop_prefetch and pass_stdarg.
5627 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5629 * config/bfin/bfin.opt (mfdpic): New option.
5630 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5631 (EXTRA_MULTILIB_PARTS): Likewise.
5632 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5633 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5635 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5636 (CRT_CALL_STATIC_FUNCTION): New.
5637 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5639 (CRT_CALL_STATIC_FUNCTION): New.
5640 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5642 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5643 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5644 (initialize_trampoline): Changed to handle FD-PIC code generation.
5645 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5646 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5647 (override_options): Disallow -mid-shared-library -mfdpic combination.
5648 Can't do unaligned ops if FD-PIC.
5649 Turn off flag_pic if trying to generate non-id-shared-library
5650 non-fdpic code, since it's not supported.
5651 (bfin_assemble_integer): New function.
5652 (TARGET_ASM_INTEGER): Define.
5653 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5655 * config/bfin/crtn.s: Restore them.
5656 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5658 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5659 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5660 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5661 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5662 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5664 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5665 FDPIC_REGS and FDPIC_FPTR_REGS.
5666 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5667 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5668 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5669 (load_funcdescsi): New pattern.
5670 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5671 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5672 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5674 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5676 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5679 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5681 * tree-flow.h: Remove the prototype for add_type_alias.
5682 * tree-ssa-alias.c (add_type_alias): Remove.
5684 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5686 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5687 config/fr30/fr30.md, config/i386/i386-interix.h,
5688 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5689 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5690 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5691 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5692 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5693 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5694 Follow spelling conventions.
5695 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5696 Follow spelling conventions.
5698 2006-05-27 Richard Guenther <rguenther@suse.de>
5701 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5702 to produce a constant of value 1 of generic type.
5704 2006-05-27 Dirk Mueller <dmueller@suse.de>
5706 * cgraphunit.c (decide_is_function_needed): Fix wrong
5709 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5711 PR rtl-optimization/27661
5712 * reload.c (find_reloads): When reloading a VOIDmode constant
5713 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5714 use Pmode as mode of the reload register.
5716 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5718 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5719 is enabled at -O and above.
5721 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5724 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5727 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5730 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5731 for anonymous variables explicitly declared by front ends.
5733 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5735 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5736 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5737 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5738 ref-all pointers, run a finalization pass for them.
5739 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5740 (finalize_ref_all_pointers): New function.
5741 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5742 regular pointer type to a ref-all pointer type.
5743 (get_tmt_for): Return the special memory tag for ref-all pointers.
5745 2006-05-25 Richard Guenther <rguenther@suse.de>
5748 * fold-const.c (fold_binary): Do not look at the stripped
5749 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5751 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5753 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5754 for LT and GT if the computed range is effectively empty.
5756 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5759 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5760 mips_quad_format formats instead of ieee_single_format,
5761 ieee_double_format and ieee_quad_format formats, respectively.
5763 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5765 PR tree-optimization/27639
5766 PR tree-optimization/26719
5767 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5768 call to scev_probably_wraps_p.
5769 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5770 used_in_pointer_arithmetic_p, convert_step): Removed.
5771 (nowrap_type_p): New function.
5772 (scev_probably_wraps_p): Rewritten.
5773 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5774 chrec_convert if chrec_convert_aggressive might have been used.
5775 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5776 scev_direction): New functions.
5777 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5778 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5779 instead of convert_step.
5780 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5781 (convert_step): Declaration removed.
5782 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5784 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5786 * df-core.c: Added to header comments.
5787 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5788 df_ur_bb_info, df_urec_bb_info): Added comments.
5789 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5790 urec, ri problems): Fixed header comments.
5791 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5792 code from df_rd_transfer_function.
5794 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5796 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5797 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5798 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5800 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5802 * expr.c (undefined_operand_subword_p): New.
5803 (emit_move_multi_word): Do not generate move from undefined bits
5804 of a paradoxical subreg.
5806 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5808 PR rtl-optimization/27736
5809 * combine.c (replaced_rhs_value): New variable.
5810 (combine_instructions): Set it.
5811 (distribute_notes): When distributing a note in replaced_rhs_insn,
5812 check whether the value was used in replaced_rhs_value.
5814 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5817 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5818 add_referenced_var instead of add_referenced_tmp_var.
5819 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5820 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5822 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5823 tree_optimize_tail_calls_1): Use add_referenced_var.
5824 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5825 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5826 Use add_referenced_var.
5827 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5828 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5829 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5830 Use add_referenced_var.
5831 * tree-dfa.c (struct walk_state): Remove.
5832 (find_referenced_vars): Remove walk state and vars_found hash table.
5833 (make_rename_temp): Use add_referenced_var.
5834 (find_vars_r): Pass less parameters to add_referenced_var.
5835 (referenced_var_p): New. Is var in referenced_var hash table.
5836 (referenced_var_insert): Assert var isn't already in hash table.
5837 (add_referenced_var): Don't need walk_state parameter. Add var if it
5838 isn't already in the hash table.
5839 (add_referenced_tmp_var): Remove.
5840 (find_new_referenced_vars_1): Use add_referenced_var.
5841 * tree-ssa-pre.c (create_expression_by_pieces,
5842 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5843 Use add_referenced_var.
5844 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5845 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5846 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5848 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5849 vect_create_data_ref_ptr, vect_create_destination_var,
5850 vect_init_vector, vect_build_loop_niters,
5851 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5852 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5853 Use add_referenced_var.
5854 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5855 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5856 (add_referenced_var): Add prototype.
5857 * tree-ssa-structalias.c (get_constraint_for,
5858 intra_create_variable_infos): Use add_referenced_var.
5860 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5862 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5863 big-endian paradoxical subregs.
5864 * var-tracking.c (struct micro_operation_def): Document that,
5865 for modify micro operations, insn is the subsequent instruction.
5866 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5867 (var_reg_set, var_mem_set): ... new functions.
5868 (add_stores): Record subsequent insn.
5869 (compute_bb_dataflow): Use new functions for MO_USE.
5870 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5871 notes after the insn, and modify notes before the insn known
5872 to be the subsequent one.
5873 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5875 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5878 * config/i386/i386.c (ix86_expand_builtin): Use
5879 gen_sse3_monitor64 for TARGET_64BIT.
5881 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5883 PR rtl-optimization/26375
5884 PR rtl-optimization/26855
5885 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5887 (df_ru_bb_local_compute): Reversed statements and removed bogus
5888 comment explaining why they should be in wrong order.
5889 (df_ru_dump, df_rd_dump): Enhanced debug info.
5890 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5892 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5893 reaching uses and fixed space problem.
5895 2006-05-23 Jan Hubicka <jh@suse.cz>
5897 * cgraphunit.c (decide_is_function_needed): Also nested functions
5898 and functions declared inline can be optimized out at -O0.
5900 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5902 * doc/install.texi (Configuration): Remove reference to CrossGCC
5906 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5909 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5910 ix86_compare_emitted is non-NULL.
5912 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5915 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5918 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5920 PR rtl-optimization/25514
5921 * combine.c (replaced_rhs_insn): New variable.
5922 (combine_instructions): Set replaced_rhs_insn when trying to replace
5923 a SET_SRC with a REG_EQUAL note.
5924 (distribute_notes): Use replaced_rhs_insn when determining the live
5925 range of a REG_DEAD register.
5927 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5928 Anatoly Sokolov <aesok@post.ru>
5930 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5931 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5932 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5933 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5934 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5935 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5936 at90usb647, at90usb1286 and at90usb1287 devices.
5937 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5938 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5940 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5942 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5944 2006-05-22 Richard Guenther <rguenther@suse.de>
5947 2006-01-31 Richard Guenther <rguenther@suse.de>
5948 Paolo Bonzini <bonzini@gnu.org>
5950 * doc/install.texi (--disable-libgcc-math): Document.
5952 2006-05-22 Richard Guenther <rguenther@suse.de>
5955 2006-01-31 Richard Guenther <rguenther@suse.de>
5957 * doc/invoke.texi (-msselibm): Document.
5958 * target.h (expand_library_builtin): New target hook.
5959 * builtins.c (expand_builtin): Use expand_library_builtin.
5960 (default_expand_library_builtin): New function.
5961 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5962 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5963 (link_gcc_math_spec): Declare.
5964 (static_specs): Add link_gcc_math_spec.
5965 * expr.h (default_expand_library_builtin): Declare.
5966 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5967 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5968 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5969 * config/i386/i386.opt (msselibm): New target option.
5970 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5971 (ix86_init_sse_abi_builtins): New function.
5972 (ix86_expand_library_builtin): Likewise.
5973 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5974 (override_options): Handle error conditions wrt -msselibm.
5975 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5976 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5977 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5980 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5983 * c-common.c (self_promoting_args_p): Skip erroneous args.
5986 * c-decl.c (finish_struct): Skip erroneous fields.
5988 2006-05-22 Nick Clifton <nickc@redhat.com>
5990 * config/cris/cris.opt (march): Remove VarExists attribute.
5991 (max-stackframe=): Likewise.
5993 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5995 * doc/rtl.texi: Fix a typo.
5996 * see.c: Fix comment typos.
5998 * tree-ssa-structalias.h (alias_info): Remove num_references.
6000 2006-05-21 Mike Stump <mrs@apple.com>
6002 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6004 (darwin_pragma_options): Use BAD instead.
6005 (darwin_pragma_unused): Likewise.
6006 (darwin_pragma_ms_struct): Likewise.
6008 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6010 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6012 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6014 PR rtl-optimization/27671
6015 * simplify-rtx.c (simplify_relational_operation_1): Fix
6016 simplifications of (eq/ne (xor x y) y) and
6017 (eq/ne (xor x y) x).
6019 PR tree-optimization/26622.
6020 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6023 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6025 * tree-cfg.c: Prune whitespace.
6026 (debug_tree_cfg): Point to correct header containing the
6029 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6032 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6034 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6037 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6038 or sorry count is non zero.
6040 2006-05-20 Andreas Schwab <schwab@suse.de>
6042 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6044 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6045 Kenneth Zadeck <zadeck@naturalbridge.com>
6047 PR rtl-optimization/26855
6049 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6051 (df_scan_alloc): Added code to properly handle multiword hard
6052 registers and add all_blocks parameter.
6053 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6054 code to properly handle multiword hard registers.
6055 (df_rescan_blocks): Added code to remove deleted blocks from
6057 (df_ref_create_structure, df_ref_record): Added code to properly
6059 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6060 and set DF_REF_PARTIAL.
6061 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6062 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6063 (df_scan_add_problem): Added flags parameter.
6064 (df_ref_create_structure): Changed switching structure.
6065 (df_bb_refs_record): Fixed case where duplicate artificial refs
6066 were created. Changed location of flags.
6067 (df_record_entry_block_defs): Added code to make stack pointer
6068 live in entry block. Refined cases where frame pointer is needed.
6069 Changed location of flags.
6070 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6071 (df_set_state): Removed function.
6072 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6073 df_insn_create_insn_record, df_insn_refs_delete,
6074 df_ref_create_structure): Formatting changes.
6075 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6076 df_delete_basic_block): New function.
6077 (df_init): Changed location of flags.
6078 (df_add_problem): Added flags parameter and the way flags are
6080 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6081 debug_df_chain): Improved debugging output.
6082 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6083 (df_refs_chain_dump): Removed df parameter.
6084 (df_iterative_dataflow): Added consistency check.
6085 (df_prune_to_subcfg): Made public.
6086 (df_analyze_problem): Added blocks_to_init parameter and made
6088 (df_ref_record, df_bb_refs_record, df_mark_reg,
6089 df_record_exit_block_uses): Whitespace changes.
6090 (df_dump): Whitespace changes.
6091 * df.h: Some reordering to remove forward references.
6092 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6093 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6094 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6095 (dataflow.flags): New field.
6096 (df.flag): Deleted field.
6097 (df_alloc_function): Added additional bitmap parameter.
6098 (df_dependent_problem_function): New type.
6099 (df_problem.changeable_flags): New field.
6100 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6101 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6102 (df_mw_hardreg): New struct.
6103 (DF_INSN_UID_MWS): New macro.
6104 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6106 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6107 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6108 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6109 (df_set_state): Removed function.
6110 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6111 * df-problems.c (df_chain_dump): Removed df parameter.
6112 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6113 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6115 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6116 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6117 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6118 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6119 DF_REF_MUST_CLOBBER cases.
6120 (df_ru_bb_local_compute_process_def,
6121 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6122 df_lr_bb_local_compute, df_ur_bb_local_compute,
6123 df_chain_create_bb): Made subreg aware.
6124 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6125 df_lr_bb_local_compute, df_lr_bb_local_compute,
6126 df_chain_create_bb): Cleanup to use proper macros.
6127 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6128 code to fixup bitvectors.
6129 (df_ri_alloc): Cleared lifetime.
6130 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6131 df_create_unused_note): New function.
6132 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6133 REG_DEAD and REG_UNUSED notes as well as register information.
6134 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6135 df_chains_dump): Fixed crash if problem was never run.
6136 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6137 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6138 df_ri_add_problem): Processes flags in uniform manner.
6139 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6140 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6141 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6142 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6143 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6144 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6145 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6146 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6147 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6148 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6149 * see.c (see_initialize_data): Ditto.
6150 * final.c (rest_of_clean_state) Added regstack_completed.
6151 * rtl.h (regstack_completed): Ditto.
6152 * reg-stack.c (regstack_completed): Ditto.
6154 2006-05-19 Mike Stump <mrs@apple.com>
6156 * c-tree.h (default_conversion): Remove.
6157 * c-common.h (default_conversion): Add.
6159 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6161 * tree-vrp.c (valid_value_p): New function.
6162 (adjust_range_with_scev): Fail if the value of bound is not
6165 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6167 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6168 (mips_fallback_frame_state): Use syscall numbers to determine
6169 the appropriate li instruction for the current ABI. Only use
6170 __NR_sigreturn for o32.
6172 2006-05-19 Nicolas Setton <setton@adacore.com>
6174 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6175 * langhooks.c (lhd_dwarf_name): New function.
6176 * langhooks-def.h (lhd_dwarf_name): Declare.
6177 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6178 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6179 * ada/misc.c (gnat_dwarf_name): New function.
6180 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6182 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6184 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6186 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6187 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6188 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6189 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6190 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6191 determine the size of Wtype, etc.
6192 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6193 (swfloatfuncs): New variable.
6194 (dwfloatfuncs): Likewise.
6195 (lib2funcs): Remove floating-point conversion functions from
6196 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6197 the set of conversion routines needed. Allow entries to specify
6198 an object name, filename and word size. Update users accordingly.
6199 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6200 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6204 2006-02-08 Roger Sayle <roger@eyesopen.com>
6207 * config/fixtfdi.c: New libgcc source file.
6208 * config/fixunstfdi.c: New source file.
6209 * config/floatditf.c: New source file.
6210 * config/floatunditf.c: New souce file.
6211 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6212 files above instead of config/mips/_tilib.c.
6213 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6215 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6217 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6218 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6220 2006-05-18 Mike Stump <mrs@apple.com>
6222 Fix up vla, vm and [*] sematics.
6228 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6229 (c_vla_unspec_p): Add.
6230 (c_vla_type_p): Add.
6231 * c-decl.c (struct c_scope): Add had_vla_unspec.
6232 (build_array_declarator): Add support for [*].
6233 (grokdeclarator): Likewise.
6234 (grokparms): Likewise.
6235 (get_parm_info): Likewise.
6236 * c-objc-common.c (c_vla_unspec_p): Likewise.
6237 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6238 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6239 typeof when argument is a variably modified type not inside sizeof or alignof.
6240 (c_parser_direct_declarator_inner): Propagate errors.
6241 (c_parser_sizeof_expression): Add support for [*].
6242 (c_parser_parms_declarator): Initialize had_vla_unspec.
6243 (c_parser_parms_list_declarator): Likewise.
6244 * c-typeck.c (c_vla_type_p): Add.
6245 (composite_type): Add support for vla compositing.
6246 (comptypes_internal): Add support for vla compatibility.
6247 (c_expr_sizeof_expr): Evaluate vla arguments.
6248 * tree.c (variably_modified_type_p): Update comment for [*].
6250 2006-05-18 Michael Matz <matz@suse.de>
6253 * config.host: Make assignments to host_xmake_file cumulative.
6254 * config.host (*-darwin*): Test $host, not $target.
6256 2006-05-12 Stuart Hastings <stuart@apple.com>
6258 * config/i386/i386.opt (-mstackrealign): New flag.
6259 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6260 (ix86_handle_cconv_attribute): Emit error when
6261 force_align_arg_pointer attribute collides with too many regparms.
6262 (ix86_function_regparm): Limit regparms when used with
6263 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6264 Support stack-realigning prologue in non-main functions. Emit
6265 warning for nested functions under -mstackrealign, emit error for
6266 nested functions with force_align_arg_pointer attribute.
6267 * doc/extend.texi (force_align_arg_pointer): Document it.
6268 * doc/invoke.texi (-mstackrealign): Document it.
6270 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6272 PR rtl-optimization/27477
6273 * combine.c (try_combine): Don't split a parallel consisting
6274 of two sets into two individual sets if both sets reference
6277 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6279 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6280 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6282 * doc/options.texi (VarExists): Updated.
6284 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6286 * unwind-dw2.c: Add declarations for uw_update_context and
6288 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6289 detected, advance frame state and context once to skip over stub.
6291 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6295 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6296 Call rewrite_into_loop_closed_ssa only when something changed.
6297 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6298 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6299 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6300 Test for perfect_nest_p here. Fix formating.
6301 (replace_uses_equiv_to_x_with_y): Fix formating.
6302 (stmt_uses_op): Removed.
6303 (can_convert_to_perfect_nest): Removed loopivs parameter.
6304 Complete the test by checking the scalar dependences.
6305 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6308 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6311 From Dan Kegel <dank@kegel.com>:
6312 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6314 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6316 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6317 if the element type is variably modified without recursing.
6319 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6322 * tree-loop-linear.c (try_interchange_loops): Test for
6323 no data dependences.
6325 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6327 PR tree-optimization/27548
6328 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6329 range of ssa names that appear on abnormal edges.
6330 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6331 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6333 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6336 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6338 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6341 * tree.h (OMP_PARALLEL_COMBINED): Define.
6342 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6343 (new_omp_context): Add is_combined_parallel argument.
6344 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6345 new_omp_context caller.
6346 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6347 Adjust gimplify_scan_omp_clauses callers.
6348 (omp_is_private): Issue errors if iteration variable is firstprivate
6349 or reduction in the current context.
6350 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6351 on combined parallel workshare constructs.
6353 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6355 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6356 (gcc-options.o): New rule.
6358 * optc-gen.awk: Protect variables for gcc-options.o with
6359 #ifdef GCC_DRIVER/#endif.
6361 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6363 Fix PR tree-optimization/27373
6364 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6365 (forward_propagate_addr_expr): Update call.
6367 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6369 * doc/options.texi: Move the Negative option.
6371 2006-05-16 Richard Guenther <rguenther@suse.de>
6373 PR tree-optimization/22303
6374 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6376 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6377 ccp_fold did not simplify the statement.
6379 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6382 * Makefile.in (GCC_OBJS): New.
6383 (OBJS-common): Add opts-common.o.
6384 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6385 (cpp$(exeext)): Likewise.
6386 (gcc.o): Also depend on opts.h.
6387 (opts-common.o): New.
6389 * common.opt (gcoff): Add Negative(gdwarf-2).
6390 (gdwarf-2): Add Negative(gstabs).
6391 (gstabs): Add Negative(gstabs+).
6392 (gstabs+): Add Negative(gvms).
6393 (gvms): Add Negative(gxcoff).
6394 (gxcoff): Add Negative(gxcoff+).
6395 (gxcoff+): Add Negative(gcoff).
6396 * config/i386/i386.opt (m32): Add Negative(m64).
6397 (m64): Add Negative(m32).
6399 * doc/options.texi: Document the Negative option.
6401 * gcc.c: Include "opts.h".
6402 (main): Call prune_options after expandargv.
6404 * optc-gen.awk: Generate common declarations for all flag
6405 variables in options.c. Output the neg_index field.
6407 * opts.c (find_opt): Moved to ...
6408 * opts-common.c: Here. New file.
6410 * opts.h (cl_option): Add a neg_index field.
6412 (prune_options): Likewise.
6414 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6417 * omp-low.c (expand_omp_parallel): Don't assert
6418 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6419 instead search for it.
6422 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6425 2006-05-16 Andreas Schwab <schwab@suse.de>
6427 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6430 2006-05-15 Roger Sayle <roger@eyesopen.com>
6433 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6434 integer constants other than zero are only legitimate on TARGET_64BIT.
6435 <CONST_VECTOR> Only zero vectors are legitimate.
6436 (ix86_cannot_force_const_mem): Integral and vector constants can
6437 always be put in the constant pool.
6439 2006-05-16 DJ Delorie <dj@redhat.com>
6441 * crtstuff.c (__dso_handle): Set section from
6442 TARGET_LBIGCC_SDATA_SECTION if defined.
6443 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6444 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6446 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6449 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6452 2006-05-16 Ben Elliston <bje@au.ibm.com>
6454 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6456 2006-05-15 Per Bothner <per@bothner.com>
6458 * tree.c: (last_annotated_node): Use source_locus typedef.
6459 This permits bootstrapping with --enable-mapped-location.
6461 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6463 PR tree-optimization/26830
6464 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6465 (info_for_ssa_name, current_info_for_ssa_name_age,
6466 blocks_to_update): New variables.
6467 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6468 (clear_ssa_name_info, initialize_flags_in_bb,
6469 mark_block_for_update): New functions.
6470 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6471 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6472 prepare_def_site_for): Use mark_block_for_update.
6473 (mark_def_interesting): Assert that the processed block is marked in
6474 blocks_to_update. Do not take blocks argument.
6475 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6477 (rewrite_update_init_block, rewrite_update_stmt): Only process
6478 blocks with statements to rewrite.
6479 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6480 (update_ssa): Initialize and free blocks_to_update. Do not
6481 clear flags on statements. Do not use blocks bitmap.
6482 * tree.h (SSA_NAME_AUX): Removed.
6483 (struct tree_ssa_name): Removed aux field.
6484 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6486 2006-05-15 Richard Guenther <rguenther@suse.de>
6488 PR tree-optimization/27603
6489 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6490 Do computations in original type.
6492 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6494 * see.c: Code style changes such as redundant paranthesis,
6495 redundant intialization of local variables etc.
6496 (see_main): Declared now as static.
6497 * doc/invoke.texi: Update that -fsee is not enabled by
6500 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6502 * omp-low.c (check_omp_nesting_restrictions): New function.
6503 (scan_omp_1): Call it.
6506 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6507 construct, return *VAR.
6509 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6511 PR rtl-optimization/27406
6512 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6515 2006-05-14 Roger Sayle <roger@eyesopen.com>
6517 PR rtl-optimization/27538
6518 * combine.c (expand_compound_operation): Call gen_lowpart
6519 before calling simplify_shift_const.
6521 2006-05-14 Roger Sayle <roger@eyesopen.com>
6523 PR rtl-optimization/22563
6524 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6525 a fixed width bitfield, always force the intermediates into psuedos.
6527 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6530 * mkconfig.sh: Use operator = instead of == for test.
6532 2006-05-13 Nick Clifton <nickc@redhat.com>
6534 * dwarf2out.c (dbx_reg_number): Check return value from
6535 LEAF_REG_REMAP and only use it if it is valid.
6536 (multiple_reg_loc_descriptor): Likewise.
6538 2006-05-13 Richard Guenther <rguenther@suse.de>
6540 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6543 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6545 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6546 information attached to non-INSNs such as NOTEs.
6547 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6549 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6551 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6553 * config/s390/s390.md: Adjust comment describing On constraint.
6555 2006-05-11 Jan Hubicka <jh@suse.cz>
6557 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6558 to be output at -O0.
6560 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6563 * fold-const.c (size_binop): Move sanity check for arguments to
6564 the beginning of the function.
6567 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6570 2006-05-11 Richard Guenther <rguenther@suse.de>
6573 * fold-const.c (fold_unary): Handle intermediate conversion
6574 to a pointer type like intermediate conversion to an integer
6575 type in folding of (T1)(T2)var to var.
6576 Match the code to the comment in the final conversion for
6577 (T1)(T2)var to (T1)var regarding to type precision. Rather
6578 than disallow T1 being of pointer type, assert that both T1
6579 and var are of pointer type or not. Make sure not to fall
6580 over the frontends lazyness wrt array to pointer decay though.
6582 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6584 * arm.c (arm_struct_value_rtx): Delete.
6585 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6586 (arm_init_cumulative_args): Always initialize nregs to zero.
6588 2006-05-10 Richard Guenther <rguenther@suse.de>
6590 PR tree-optimization/27532
6591 * tree-object-size.c (plus_expr_object_size): Fix typo.
6593 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6596 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6597 ashrdi_const, ashrdi3): Use a scratch register.
6599 2006-05-10 Richard Guenther <rguenther@suse.de>
6601 PR tree-optimization/27302
6602 * fold-const.c (operand_equal_p): For two comparisons,
6603 try comparison of one comparison code swapped if that yields
6606 2006-05-10 Ben Elliston <bje@au.ibm.com>
6608 * tree-pretty-print.c (pretty_print_string): No need to handle
6609 '\0' as a special character.
6611 * tree.h: Include "hashtab.h".
6612 (iterative_hash_expr): Use hashval_t in its prototype.
6613 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6615 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6618 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6619 (hppa*64*-*-hpux11*): Ditto.
6620 (hppa[12]*-*-hpux11*): Ditto.
6622 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6625 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6627 2006-05-09 Michael Matz <matz@suse.de>
6629 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6630 host_extra_gcc_objs and host_xmake_file.
6631 (<*-*-linux*>): Don't overwrite host_xmake_file.
6632 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6633 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6634 (host_detect_local_cpu): Declare.
6635 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6636 * config/i386/i386.c (override_options): Handle -mtune=native
6638 * config/i386/x-i386: New file.
6639 * config/i386/driver-i386.c: New file.
6640 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6643 2006-05-09 Dirk Mueller <dmueller@suse.de>
6644 Richard Guenther <rguenther@suse.de>
6647 * fold-const.c (fold_read_from_constant_string): Relax check
6648 for matching types to matching modes.
6650 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6652 PR rtl-optimization/27335
6653 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6656 2006-05-08 Chao-ying Fu <fu@mips.com>
6657 Richard Sandiford <richard@codesourcery.com>
6659 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6660 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6661 * config/mips/mips.md (UNSPEC_SCC): New constant.
6662 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6663 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6664 (mips_emit_compare): Use it.
6665 (mips_expand_vcondv2sf): New function.
6667 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6669 Fix PR tree-optimization/27093
6670 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6671 renaming when they become not-used_alone.
6673 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6675 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6676 relocation and relocation stubs.
6678 2006-05-08 Eric Christopher <echristo@apple.com>
6680 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6683 2006-05-08 Jan Hubicka <jh@suse.cz>
6686 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6687 unused static functions are needed.
6689 2006-05-08 Roger Sayle <roger@eyesopen.com>
6692 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6693 of a reg_equiv_constant if the result is a legitimate constant.
6695 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6698 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6699 standard 80387 constants, raise the cost to prevent
6700 compress_float_constant() to generate load from memory.
6702 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6704 * config/arm/constraints.md (c): Fix a typo.
6706 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6709 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6712 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6714 (_mm_mwait): Likewise.
6716 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6718 (sse3_monitor): Make it 32bit only.
6719 (sse3_monitor64): New. 64bit monitor.
6721 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6724 * config/i386/i386.c (classify_argument): Skip fields with invalid
6727 2006-05-07 Richard Guenther <rguenther@suse.de>
6729 PR tree-optimization/27409
6730 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6731 Do not try to find zero-sized subvars.
6733 2006-05-07 Richard Guenther <rguenther@suse.de>
6735 PR tree-optimization/27136
6736 * tree-ssa-loop-niter.c (get_val_for): Correct function
6737 comment, assert requirements.
6738 (loop_niter_by_eval): Stop processing if the iterated
6739 value did not simplify.
6741 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6743 * opts.c (flag_see): remove its setting at -O3.
6745 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6747 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6748 * arm/constraints.md: New file.
6749 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6750 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6751 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6752 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6753 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6754 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6755 * arm.md: Include constraints.md.
6756 (thumb_movsi_insn): Use satisfies_constraint_J.
6757 (movhi, movqi): Use satisfies_constraint_I.
6759 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6761 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6762 for atmeg a645 device.
6764 2006-05-06 Richard Guenther <rguenther@suse.de>
6766 PR tree-optimization/27151
6767 * tree-vect-transform.c (vectorizable_condition): Punt on
6768 values that have a different type than the condition.
6770 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6773 * c-parser.c (c_parser_cast_expression): Only insert casts into
6774 hash table if pointer.
6775 * function.c (used_types_insert_helper): Rename from
6777 (used_types_insert): Call used_types_insert_helper.
6778 * function.h (used_types_insert): Accept only one argument.
6780 2006-05-05 David Edelsohn <edesohn@gnu.org>
6782 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6783 scratch with output modifier.
6785 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6788 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6789 with output modifier.
6791 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6794 * config/mips/mips.c (mips_symbolic_address_p): Return true
6795 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6796 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6798 2006-05-04 Richard Guenther <rguenther@suse.de>
6800 PR tree-optimization/14287
6801 PR tree-optimization/14844
6802 PR tree-optimization/19792
6803 PR tree-optimization/21608
6804 PR tree-optimization/27090
6805 * tree-ssa-pre.c (try_combine_conversion): New function.
6806 (compute_avail): After constructing the value-handle
6807 expression, use try_combine_conversion to combine NOP_EXPRs
6808 with previous value-handle expressions and use the result if it
6811 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6813 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6815 2006-05-04 Jan Hubicka <jh@suse.cz>
6818 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6820 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6822 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6823 that this only matches CONST_INTs. All users changed to VOIDmode
6826 * config/bfin/bfin.c: Include "optabs.h".
6827 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6829 (enum bfin_builtins): Add a number of fractional and vector builtins.
6830 (bfin_init_builtins): Likewise.
6831 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6832 (safe_vector_operand, bfin_expand_binop_builtin,
6833 bfin_expand_unop_builtin): New functions.
6834 (bfin_expand_builtin): Handle the new builtins.
6835 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6838 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6841 * Makefile.in (OBJS-common): Add see.o.
6842 (see.o): Add dependencies.
6843 * common.opt (fsee): New flag for the see optimization was added.
6844 * opts.c (flag_see): Initialized.
6845 * passes.c (init_optimization_passes, pass_see): New pass.
6846 * rtl.h (see_main): Declaration as extern.
6847 * timevar.def (TV_SEE): New.
6848 * tree-pass.h (pass_see): Declaration as extern.
6849 * invoke.texi (-fsee): Document.
6850 * recog.c (validate_simplify_insn): New function.
6851 * recog.h (validate_simplify_insn): Declaration as extern.
6852 * df-problems.c (df_chain_dump): Check for NULL.
6854 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6855 Daniel Berlin <dberlin@dberlin.org>
6857 * cfgrtl.c (insert_insn_bb_end_new): New function.
6858 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6860 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6862 * df.h (struct web_entry): Moved from web.c.
6863 (union_defs): Declaration as extern.
6864 (unionfind_root): Likewise.
6865 (unionfind_union): Likewise.
6866 * web.c (struct web_entry): Moved to df.h.
6867 (unionfind_root): Remove static declaration.
6868 (unionfind_union): Likewise.
6869 (union_defs): Likewise and generalize to use callback function.
6870 (web_main): Update arguments for union_defs function call.
6872 2006-05-04 Richard Guenther <rguenther@suse.de>
6874 PR tree-optimization/26447
6875 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6876 produce SSA_NAME copies before the store stmt to avoid
6877 breaking exception handling.
6879 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6882 * gimplify.c (omp_is_private): If var is shared in some outer context,
6883 return false instead of true. Stop searching on parallel context
6886 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6889 * coverage.c: Use get_gcov_unsigned_t() instead of
6890 unsigned_type_node all over.
6892 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6894 PR tree-optimization/27381
6895 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6896 maintain the same immediate_use links.
6897 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6898 node rather than segfaulting.
6900 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6903 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6904 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6905 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6907 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6909 Fix PR tree-optimization/26626
6910 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6912 * tree-ssa-operands.c (access_can_touch_variable): Allow
6913 typecasting through union pointers.
6915 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6918 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6919 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6920 to find if var will be a global variable even in the nested context.
6921 (omp_copy_decl): Only check for global variable at the end, it might
6922 be overridden in outer contexts.
6923 (scan_sharing_clauses): For global variables don't create a field.
6924 (lower_rec_input_clauses): Do nothing for global shared variables.
6925 Emit a barrier at the end of ILIST if there were any decls in both
6926 firstprivate and lastprivate clauses.
6927 (lower_send_clauses): Do nothing for global variables except for
6930 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6932 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6933 of the correct signedness is returned.
6935 2006-05-02 Jeff Law <law@redhat.com>
6937 PR tree-optimization/27364
6938 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6939 multiply expressions.
6941 2006-05-02 Tom Tromey <tromey@redhat.com>
6943 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6945 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6948 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6949 -mthumb -fPIC are used.
6951 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6952 Joshua Kinard <kumba@gentoo.org>
6955 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6956 with 64-bit pointers.
6958 2006-05-02 Paul Brook <paul@codesourcery.com>
6960 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6962 (create_fix_barrier): Check that a suitable barrier location is
6964 (arm_reorg): Include ftmp->address in allowable range of addresses.
6966 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6969 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6972 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6975 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6976 around RESULT_DECL for result passed by reference.
6977 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6978 * omp-low.c (use_pointer_for_field): Don't look at
6979 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6980 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6981 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6982 time or var for passing by reference for
6983 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6984 TREE_ADDRESSABLE variables when passing by reference.
6986 * omp-low.c (dump_omp_region): Fix output formatting.
6989 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6990 (expand_omp_parallel): Likewise.
6991 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6994 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6995 on statement list containing also constructors and destructors.
6996 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6999 * except.c (duplicate_eh_regions): Fix clearing of
7000 cfun->eh->region_array entries.
7002 2006-05-01 DJ Delorie <dj@redhat.com>
7004 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7006 (gcc_cv_objdump): Likewise.
7007 * configure: Regenerated.
7009 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7012 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7013 templates for case 3 and 4.
7015 2006-05-01 DJ Delorie <dj@redhat.com>
7017 * vec.c: Include bconfig.h when appropriate.
7018 * Makefile.in (build/vec.o): Adjust dependencies.
7019 * mkconfig.sh: Make sure config.h isn't used for build machine
7022 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7024 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7026 (mark_phi_for_rewrite): New function.
7027 (insert_phi_nodes_for, mark_use_interesting): Call
7028 mark_phi_for_rewrite.
7029 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7030 (update_ssa): Initialize and free phis_to_rewrite.
7032 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7034 PR rtl-optimization/27291
7035 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7036 folded to a constant.
7038 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7040 PR tree-optimization/27283
7041 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7042 not whole # of iteration descriptions.
7043 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7044 uses abnormal ssa name.
7045 (niter_for_single_dom_exit): Ditto.
7046 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7047 return just the number of iterations.
7049 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7051 PR tree-optimization/27144
7052 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7053 (record_estimate): Only record constant upper bound.
7054 (infer_loop_bounds_from_undefined): Call
7055 compute_estimated_nb_iterations just once.
7056 (proved_non_wrapping_p): Renamed to ...
7057 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7058 (convert_step_widening, scev_probably_wraps_p): Call
7059 n_of_executions_at_most instead of proved_non_wrapping_p.
7060 (substitute_in_loop_info): Do not replace values in bounds.
7061 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7064 2006-05-01 Richard Henderson <rth@redhat.com>
7067 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7068 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7071 2006-05-01 Roger Sayle <roger@eyesopen.com>
7073 * c-typeck.c (parser_build_binary_op): Don't call the function
7074 unsigned_conversion_warning to spot operand/result type overflow.
7075 (build_binary_op): Instead, call convert_and_check instead of
7076 convert to report the problem when the operands are promoted.
7077 * c-common.c (unsigned_conversion_warning): Make static.
7078 * c-common.h (unsigned_conversion_warning): Delete prototype.
7080 2006-05-01 Richard Guenther <rguenther@suse.de>
7082 PR tree-optimization/26726
7083 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7085 (find_interesting_uses_address): ... we work around here
7086 by folding INDIRECT_REFs in the substituted base.
7088 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7090 * omp-low.c (dump_omp_region): Add newlines.
7092 2006-04-30 Roger Sayle <roger@eyesopen.com>
7094 * common.opt (Woverflow): New command line option.
7095 * c-common.c (constant_expression_warning): Check warn_overflow.
7096 (overflow_waring): Pass OPT_Woverflow to warning.
7097 (unsigned_conversion_warning): Likewise.
7098 (convert_and_check): Likewise.
7099 * doc/invoke.texi: Document new command line option.
7101 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7103 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7104 TARGET_NO_FP_IN_TOC for section anchors.
7105 (optimization_options): Enable section anchors for all
7106 non-"Objective" languages.
7108 2006-04-28 Eric Christopher <echristo@apple.com>
7110 * config/darwin-c.c (darwin_ms_struct): Move this
7111 (darwin_set_default_type_attributes): and this...
7112 * config/darwin.c: ... here.
7113 * config/darwin.h (darwin_ms_struct): Declare.
7115 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7117 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7119 2006-04-28 Roger Sayle <roger@eyesopen.com>
7122 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7123 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7124 an unsigned HOST_WIDE_INT.
7125 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7127 (really_start_incremental_init): No need to call convert because
7128 bitsize_zero_node is already of type bitsizetype.
7129 (push_init_level): Extract the value of constructor_index as an
7130 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7131 (process_init_element): Likewise.
7133 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7135 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7136 value before passing to make_relative_prefix.
7138 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7141 * builtins.c (expand_builtin_memset): Expand val in original mode.
7143 2006-04-27 Eric Christopher <echristo@apple.com>
7145 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7146 with #ifndef/#endif.
7147 * config/darwin-c.c (darwin_ms_struct): New.
7148 (darwin_pragma_ms_struct): Ditto.
7149 (darwin_set_default_type_attributes): Ditto.
7150 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7151 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7152 Register ms_struct pragma.
7153 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7154 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7155 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7156 darwin_set_default_type_attributes if TARGET_MACHO.
7158 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7160 PR tree-optimization/26854
7161 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7162 * doc/tree-ssa.texi: Update immuse iterator documentation.
7163 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7164 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7165 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7166 first_safe_imm_use, next_safe_imm_use): Remove.
7167 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7168 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7169 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7170 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7171 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7172 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7173 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7174 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7175 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7176 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7177 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7178 (perfect_nestify): Use new iterator.
7179 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7181 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7182 (next_imm_name): New field in struct immediate_use_iterator_d.
7183 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7184 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7185 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7186 * tree-cfg.c (replace_uses_by): Use new iterator.
7187 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7188 * tree-ssa-operands.c (correct_use_link): Remove.
7189 (finalize_ssa_use_ops): No longer call correct_use_link.
7191 2006-04-27 Stuart Hastings <stuart@apple.com>
7193 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7194 * config/t-darwin (crt3.o): Use it.
7195 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7196 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7197 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7198 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7199 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7202 2006-04-27 Roger Sayle <roger@eyesopen.com>
7204 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7205 size, force the intermediate into a new pseudo rather instead of
7206 performing both a bitwise AND and a bitwise IOR in memory.
7208 2006-04-27 Richard Guenther <rguenther@suse.de>
7210 PR rtl-optimization/26685
7211 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7212 this one "max-flow-memory-locations".
7214 2006-04-27 Richard Guenther <rguenther@suse.de>
7216 PR tree-optimization/25148
7217 * tree-vrp.c (compare_values): Remove code dealing with
7218 comparisons against type min/max value. Honour overflow
7219 and negative constants in code dealing with comparisons
7220 of plus and minus expressions.
7221 (value_inside_range): Use fold_binary with LE_EXPR and
7222 GE_EXPR rather than compare_values.
7224 2006-04-27 Dirk Mueller <dmueller@suse.de>
7226 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7229 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7231 * basic-block.h (safe_insert_insn_on_edge): Removed.
7232 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7234 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7235 Paolo Bonzini <bonzini@gnu.org>
7238 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7239 (simplify_and_const_int): Same.
7241 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7243 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7245 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7248 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7249 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7250 cgraph_global_info_ready.
7253 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7256 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7257 either decl or init is error_mark_node.
7260 * tree-flow.h (struct omp_region): Add sched_kind.
7261 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7262 instead of extracting omp for data.
7263 (expand_omp_for): Save extracted sched_kind.
7265 2006-04-25 Roger Sayle <roger@eyesopen.com>
7267 * expmed.c (store_bit_field): Also check whether the bitsize is
7268 valid for the machine's "insv" instruction before moving the
7269 target into a pseudo for use with the insv.
7270 * config/i386/predicates.md (const8_operand): New predicate.
7271 * config/i386/i386.md (extv, extzv, insv): Use the new
7272 const8_operand predicate where appropriate.
7274 2006-04-25 DJ Delorie <dj@redhat.com>
7276 * doc/install.texi (Specific): Clarify that this is not a list of
7277 supported hosts or targets.
7279 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7281 PR rtl-optimization/26725
7282 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7283 block's BB_DIRTY flag.
7285 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7287 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7290 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7291 to print an integer.
7293 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7295 * varasm.c (align_variable): New function.
7296 (get_block_for_decl): Apply align_variable to DECL before
7297 calculating section information.
7298 (assemble_variable): Split out alignment computation.
7300 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7302 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7305 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7307 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7308 MODE_PARTIAL_INT mode.
7309 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7310 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7312 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7313 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7315 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7317 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7319 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7320 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7321 MACFLAG_IH): Likewise.
7322 (movstricthi_1): Renamed from "*movstricthi".
7323 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7324 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7325 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7326 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7327 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7328 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7329 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7330 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7331 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7332 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7333 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7334 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7335 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7336 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7337 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7339 * doc/rtl.texi (ss_ashift): Improve wording.
7341 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7343 * dwarf2out.c (verify_marks_clear): New.
7344 (prune_unused_types): Call verify_marks_clear initially, not
7347 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7349 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7350 * doc/rtl.texi: Document them.
7351 * simplify-rtx.c (simplify_unary_operation,
7352 simplify_binary_operation_1): Don't abort when we see them.
7354 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7357 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7358 * configure.ac: Completely disregard languages that are not
7360 * configure: Regenerated.
7362 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7363 Richard Guenther <rguenther@suse.de>
7365 PR tree-optimization/27236
7366 * tree-inline.c (copy_body_r): Make sure to copy
7367 TREE_THIS_VOLATILE flag.
7369 2006-04-24 Richard Guenther <rguenther@suse.de>
7372 * tree-complex.c (update_parameter_components): Don't handle
7373 unused parameters which have no default def.
7375 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7376 Richard Guenther <rguenther@suse.de>
7378 PR tree-optimization/27218
7379 * tree-inline.c (expand_call_inline): Strip useless type
7380 conversions for the return slot address.
7382 2006-04-24 Richard Guenther <rguenther@suse.de>
7384 * cfgloop.h (struct loops): Remove unused field array. Reorder
7386 (LOOP_PREFETCH): Remove.
7388 2006-04-24 Richard Guenther <rguenther@suse.de>
7390 PR tree-optimization/22525
7391 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7392 variable, adjust types of generated expressions.
7394 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7396 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7397 (tree-vect-patterns.o): Likewise.
7399 (cselib.o): Likewise.
7400 (loop-doloop.o): Likewise.
7401 (regclass.o): Likewise.
7402 (reload1.o): Likewise.
7403 (explow.o): Replace target.h with $(TARGET_H).
7404 (ipa-prop.o): Likewise.
7405 (ipa-cp.o): Likewise.
7406 (ipa-inline.o): Likewise.
7407 (reorg.o): Likewise.
7408 (reg-stack.o): Likewise.
7410 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7412 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7414 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7416 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7418 * configure.ac: Completely disregard languages that are not
7420 * configure: Regenerated.
7423 * c-common.h (c_build_bitfield_integer_type): Declare.
7424 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7425 * c-common.c (c_build_bitfield_integer_type): ... here.
7427 2006-04-23 Roger Sayle <roger@eyesopen.com>
7430 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7431 a SImode SUBREG of a floating point register after no_new_pseudos.
7433 2006-04-23 Roger Sayle <roger@eyesopen.com>
7435 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7436 identify potentially eliminable registers to additionally catch
7437 VIRTUAL_INCOMING_ARGS_REGNUM.
7438 (addsi3): Update the conditions on when to use addsi_small_int.
7440 2006-04-23 Roger Sayle <roger@eyesopen.com>
7443 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7444 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7445 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7447 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7449 * fold-const.c (range_predecessor): Use operand_equal_p
7450 as the predicate for equality.
7451 (range_successor): Likewise.
7453 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7456 * config/soft-fp/op-common.h: Fix a typo.
7458 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7461 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7462 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7464 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7466 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7468 * doc/tm.texi: Fix a typo.
7470 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7472 * dwarf2out.c (struct die_struct): Document that die_sib makes
7473 a circular linked list.
7474 (FOR_EACH_CHILD): New.
7475 (reverse_die_lists): Delete.
7476 (reverse_all_dies): Delete.
7477 (add_dwarf_attr): Correct documentation.
7478 (remove_child_with_prev): New.
7479 (remove_child_TAG): Update for change to die_struct, use
7480 remove_child_with_prev.
7481 (add_child_die): Update for change to die_struct.
7482 (splice_child_die): Use remove_child_with_prev and add_child_die.
7483 (print_die): Use FOR_EACH_CHILD.
7484 (die_checksum): Likewise.
7485 (assign_symbol_names): Likewise.
7486 (output_location_lists): Likewise.
7487 (build_abbrev_table): Likewise.
7488 (calc_die_sizes): Likewise.
7489 (mark_dies): Likewise.
7490 (unmark_dies): Likewise.
7491 (unmark_all_dies): Likewise.
7492 (output_die): Likewise.
7493 (prune_unused_types_mark): Likewise.
7494 (prune_unused_types_walk): Likewise.
7495 (same_die_p): Update for change to die_struct.
7496 (break_out_includes): Likewise.
7497 (prune_unused_types_prune): Likewise.
7498 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7499 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7501 (dwarf2out_finish): Don't call reverse_all_dies.
7503 2006-04-21 Eric Christopher <echristo@apple.com>
7505 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7506 in comments and function names.
7508 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7511 * c-typeck.c (digest_init): Robustify.
7513 * c-typeck.c (pop_init_level): Simplify.
7515 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7517 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7519 2006-04-21 Paul Brook <paul@codesourcery.com>
7521 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7522 hardware floating point.
7524 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7526 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7529 2006-04-21 Nick Clifton <nickc@redhat.com>
7531 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7534 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7537 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7538 C++ lang type in traceback table for Objective-C++.
7540 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7542 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7544 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7546 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7549 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7550 were errors. Remove check for erroneous objects.
7552 2006-04-20 Jeff Law <law@redhat.com>
7554 PR tree-optimization/26854
7555 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7556 checking for zero or one use.
7557 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7558 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7559 * tree-ssa-reassoc.c (negate_value): Similarly.
7560 (reassociate_bb): Similarly.
7562 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7564 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7565 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7566 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7568 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7570 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7571 fp regs if the last fp arg doesn't fit in regs.
7573 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7576 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7577 that the last insn has the REG_INC note.
7579 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7580 Nathan Sidwell <nathan@codesourcery.com>
7583 * stor-layout.c (update_alignment_for_field): Do not align
7585 (place_union_field): Place union field at the start of the union.
7586 (place_field): Move ERROR_MARK check later, and use the current
7587 allocation position to maintain monotonicity.
7589 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7591 * dominance.c: Include timevar.h.
7592 (calculate_dominance_info): Use TV_DOMINANCE.
7593 * timevar.def (TV_DOMINANCE): New timevar.
7594 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7596 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7598 PR rtl-optimization/14261
7599 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7600 move would be an INSV insn.
7601 (noce_process_if_block): Don't optimize if the destination is a
7602 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7604 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7606 * config/s390/s390.md: Add comments with the instructions emitted
7607 by an insn pattern if macros are used.
7609 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7611 PR rtl-optimization/26026
7612 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7613 is a known power of two shifted left a variable amount.
7615 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7617 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7618 to hash table twice when the debug_str section has SECTION_MERGE.
7620 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7622 * config/soft-fp: New directory. From glibc.
7623 * config/soft-fp/t-softfp: New.
7624 * config/soft-fp/README: New.
7625 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7626 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7627 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7628 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7629 * config.gcc: Use rs6000/t-fprules-fpbit or
7630 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7632 * config/rs6000/sfp-machine.h: New. Based on glibc.
7633 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7635 * config/rs6000/t-fprules: Remove fp-bit rules.
7636 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7637 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7638 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7639 (softfp_wrap_start, softfp_wrap_end): New.
7641 2006-04-18 DJ Delorie <dj@redhat.com>
7643 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7645 2006-04-18 Devang Patel <dpatel@apple.com>
7647 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7649 2006-04-18 Nick Clifton <nickc@redhat.com>
7651 * config/sh/t-symbian: Add rule to build sh-c.o
7652 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7653 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7654 (sh_symbian_encode_section_info): Likewise.
7656 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7658 * builtins.c (expand_builtin_strcmp): Cover label definition of
7659 do_libcall with HAVE_cmpstrnsi.
7661 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7663 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7665 * function.h (temp_slot_p): New.
7666 (function): Change the type of x_used_temp_slots to
7667 VEC(temp_slot_p,gc) *.
7669 2006-04-18 Nick Clifton <nickc@redhat.com>
7671 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7672 flag_strength_reduce.
7674 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7676 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7680 Partial revert of revision 112637
7681 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7682 Dale Johannesen <dalej@apple.com>
7685 * regclass.c (struct reg_pref): Update documentation.
7686 (regclass): Set prefclass to NO_REGS if memory is the best option.
7687 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7689 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7691 PR tree-optimization/26821
7692 * tree-ssa-math-opts.c (get_constant_one): New.
7693 (insert_reciprocals): Use it.
7695 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7697 * dwarf2out.c (free_AT): Delete.
7698 (remove_AT): Update string ref counts.
7699 (remove_child_TAG): Don't call free_die.
7701 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7702 or DW_TAG_GNU_EINCL.
7703 (prune_unused_types_walk_attribs): Reset string refcounts.
7704 (prune_unused_types_update_strings): New.
7705 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7706 call free_die. Do call prune_unused_types_update_strings.
7707 (prune_unused_types): Empty debug_str_hash.
7709 2006-04-17 Roger Sayle <roger@eyesopen.com>
7711 * expr.c (expand_assignment): Optimize away no-op moves where the
7712 source and destination are equal and have no side-effects.
7714 2006-04-17 Richard Guenther <rguenther@suse.de>
7717 * reload.c (push_reload): Guard calls to get_secondary_mem
7720 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7722 * alias.c (reg_base_value, old_reg_base_value): Change the
7723 type to VEC(rtx,gc) *.
7724 (REG_BASE_VALUE, find_base_value, record_set,
7725 init_alias_analysis): Use VEC instead of VARRAY.
7727 * alias.c (alias_sets): Change the type to
7728 VEC(alias_set_entry,gc) *.
7729 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7730 VEC instead of VARRAY.
7731 (last_alias_set): Remove.
7733 * cgraph.h (cgraph_edge_p): New.
7734 Update the prototype of cgraph_function_versioning.
7735 * cgraphunit.c (cgraph_copy_node_for_versioning,
7736 cgraph_function_versioning): Use VEC instead of VARRAY.
7737 * ipa-cp.c (ipcp_insert_stage): Likewise.
7739 2006-04-16 Roger Sayle <roger@eyesopen.com>
7742 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7743 "A op B" or "A op C", we may need to convert A to the type of B and C.
7745 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7747 * target.h (struct gcc_target): Add mode_rep_extended.
7748 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7749 (init_num_sign_bit_copies_in_rep): Initialize it using
7751 (truncate_to_mode): Use it.
7752 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7753 * targhooks.h (default_mode_rep_extended): Declare it.
7754 * targhooks.c (default_mode_rep_extended): Define it.
7755 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7756 default_mode_rep_extended.
7757 (TARGET_INITIALIZER): Include it.
7758 * doc/tm.texi (Misc): Document it.
7759 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7760 (mips_truncated_to_mode): New function.
7762 2006-04-16 Roger Sayle <roger@eyesopen.com>
7765 * expr.c (compress_float_constant): Copy the narrow constant into
7766 a new pseudo before extending it to its final width.
7768 2006-04-16 Roger Sayle <roger@eyesopen.com>
7769 Andrew Pinski <pinskia@gcc.gnu.org>
7770 Dale Johannesen <dalej@apple.com>
7773 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7774 special case code to implement V8HImode and V16QImode with SSE2.
7776 2006-04-15 Roger Sayle <roger@eyesopen.com>
7778 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7779 trees are constructed with a suitable tree type.
7781 2006-04-15 Roger Sayle <roger@eyesopen.com>
7783 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7784 (integer_onep): Likewise.
7785 (integer_all_onesp): Likewise.
7786 (integer_pow2p): Likewise.
7787 (integer_nonzerop): Likewise.
7788 (real_zerop): Likewise.
7789 (real_onep): Likewise.
7790 (real_twop): Likewise.
7791 (real_minus_onep): Likewise.
7792 (int_size_in_bytes): Likewise.
7793 (host_integerp): Likewise.
7795 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7797 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7798 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7799 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7801 * tree-ssa-structalias.h (alias_info): Remove num_references.
7803 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7805 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7806 (output_bvb patterns): Likewise.
7807 * pa.c (output_bb): Use 'bb' insn for long branch case.
7808 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7809 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7810 1. Correct length operand for alternatives 1 and 2.
7811 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7812 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7814 2006-04-14 Roger Sayle <roger@eyesopen.com>
7816 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7817 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7818 were accidentally reverted by r112959.
7820 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7823 * except.h (eh_region_outermost): New prototype.
7824 * except.c (eh_region_outermost): New function.
7825 * tree-cfg.c (find_outermost_region_in_block): Use it.
7827 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7829 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7831 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7832 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7833 (init_reload, reload): Use VEC instead of VARRAY.
7834 * reload.h: Update the prototype for
7835 reg_equiv_memory_loc_varray.
7837 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7838 Eric Botcazou <ebotcazou@libertysurf.fr>
7840 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7843 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7846 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7847 to expand fallback builtin function call.
7849 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7852 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7853 and emit libcall here in case the builtin fails.
7854 (expand_builtin_strcmp): Always emit the libcall here on failure.
7856 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7858 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7859 * flow.c (reg_n_info): Change the type to
7860 VEC(reg_info_p,heap) *.
7861 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7863 * regs.h (reg_info_p): New.
7864 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7865 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7866 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7869 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7871 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7873 * params.h (MAX_SCHED_READY_INSNS): New macro.
7874 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7875 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7876 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7877 the ready list for 1 cycle during the first scheduling pass.
7878 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7880 2006-04-13 Richard Henderson <rth@redhat.com>
7883 * gimple-low.c (lower_omp_directive): Remove dead code.
7884 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7885 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7886 * omp-low.c (struct omp_region): Move to tree-flow.h.
7887 (root_omp_region): Export.
7888 (omp_regions, lookup_omp_region): Remove.
7889 (determine_parallel_type): Update for struct omp_region changes.
7890 (dump_omp_region): Dump regions with block numbers.
7891 (new_omp_region): Take type and block instead of stmt; malloc
7893 (free_omp_region_1, free_omp_regions): New.
7894 (expand_parallel_call): Take entry_stmt as argument; update for
7895 changes to omp_region.
7896 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7897 (remove_exit_barriers): New.
7898 (expand_omp_parallel): Update for struct omp_region changes.
7899 (expand_omp_synch): Likewise.
7900 (expand_omp): Likewise.
7901 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7902 (expand_omp_for_static_chunk): Likewise.
7903 (expand_omp_for): Likewise.
7904 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7905 (expand_omp_sections): Similarly, with GOMP_sections_end.
7906 (expand_omp_single): New.
7907 (build_omp_regions_1): Update for OMP_CONTINUE.
7908 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7909 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7910 OMP_SECTIONS_SECTIONS.
7911 (lower_omp_single_simple): Don't emit barrier here.
7912 (lower_omp_single_copy): Likewise.
7913 (lower_omp_single): Fix bindings, and lower to straightline now.
7914 (lower_omp_master, lower_omp_ordered): Likewise.
7915 (lower_omp_critical): Likewise.
7916 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7917 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7918 omp edges, free it afterward.
7919 (make_omp_sections_edges): Remove.
7920 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7921 (move_stmt_r): Handle OMP_CONTINUE.
7922 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7923 statement pointers to basic blocks. Add type member.
7924 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7925 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7926 * tree-inline.c (estimate_num_insns_1): Likewise.
7927 * tree-pretty-print.c (dump_generic_node): Likewise.
7928 * tree-ssa-operands.c (get_expr_operands): Likewise.
7929 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7930 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7931 (OMP_CONTINUE): New.
7932 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7933 (OMP_SECTIONS_SECTIONS): Remove.
7934 (OMP_SECTION_LAST): New.
7935 (OMP_RETURN_NOWAIT): New.
7937 2006-04-13 Roger Sayle <roger@eyesopen.com>
7939 * fold-const.c (native_encode_vector, native_interpret_real):
7940 Correct obvious mistakes in the previous check-in.
7942 2006-04-13 Roger Sayle <roger@eyesopen.com>
7944 * fold-const.c (native_encode_expr): New function to encode
7945 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7946 or VECTOR_CST into a specified buffer.
7947 (native_encode_int): New function.
7948 (native_encode_real): New function.
7949 (native_encode_complex): New function.
7950 (native_encode_vector): New function.
7951 (native_interpret_expr): Inverse of native_encode_expr to convert
7952 a target representation into an INTEGER_CST, REAL_CST etc...
7953 (native_interpret_int): New function.
7954 (native_interpret_real): New function.
7955 (native_interpret_complex): New function.
7956 (native_interpret_vector): New function.
7957 (fold_view_convert_expr): New function to constant fold/evaluate
7958 a VIEW_CONVERT_EXPR of a suitable constant expression.
7959 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7960 Change call of build1 to fold_build1 when constructing a
7963 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7964 Ulrich Weigand <uweigand@de.ibm.com>
7967 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7970 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7973 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7974 optimize to lo_sum for DFmode if !TARGET_FPRS.
7976 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7978 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7979 delete_alias_info, compute_flow_sensitive_aliasing,
7980 group_aliases): Use VEC instead of VARRAY.
7981 * tree-ssa-structalias.c (update_alias_info): Likewise.
7982 * tree-ssa-structalias.h (alias_info): Change the type of
7983 processed_ptrs to VEC(tree,heap) *.
7985 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7988 * config/sh/lib1funcs.h: New file, broken out of:
7989 * config/sh/lib1funcs.asm.
7990 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7992 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7993 * config/sh/lib1funcs-Os-4-200.asm: New file.
7994 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7995 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7996 (EXTRA_MULTILIB_PARTS): Include it.
7997 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7998 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7999 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8000 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8003 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8005 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8006 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8007 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8009 * tree-ssa-live.h: Include vecprim.h.
8010 (tree_partition_associator_d): Change the type of
8011 first_partition to VEC(int,heap) *.
8012 (tpa_first_partition): Use VEC instead of VARRAY.
8014 * Makefile.in (GTFILES): Move functions.h after tree.h.
8015 * function.c (reset_block_changes, record_block_change,
8016 check_block_change, free_block_changes): Use VEC instead of
8018 * function.h (function): Change the type of
8019 ib_boundaries_block to VEC(tree,gc) *.
8020 * tree-inline.c (copy_cfg_body): Initialize
8021 ib_boundaries_block to NULL instead of (varray_type) 0.
8023 2006-04-12 Roger Sayle <roger@eyesopen.com>
8025 * expr.c (emit_group_store): Correct operand order in call to
8026 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8027 a SUBREG_BYTE of zero.
8029 2006-04-12 Richard Guenther <rguenther@suse.de>
8031 * profile.c (compute_branch_probabilities): Remove code
8032 encapsulated in !ir_type (), which are remanents of the
8033 removed RTL profiling code.
8034 * rtl-profile.c: Remove.
8036 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8038 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8039 magic NULL_RTX comment.
8040 (function_arg): Store entire fp arg to mem if any part should go
8042 (rs6000_arg_partial_bytes): Adjust for above change.
8044 2006-04-11 Roger Sayle <roger@eyesopen.com>
8046 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8047 if it hasn't been initialized by dwarf2out_init.
8049 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8051 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8052 symbolic constants in branch patterns.
8054 2006-04-11 Roger Sayle <roger@eyesopen.com>
8056 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8058 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8060 PR rtl-optimization/27073
8061 * gcse.c (try_replace_reg): Revert last change. Continue to search
8062 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8065 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8067 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8068 aggregate types other than record and union types.
8069 (function_arg): Likewise.
8070 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8072 (function_value): In 64-bit mode, return objects that require it
8075 2006-04-11 Roger Sayle <roger@eyesopen.com>
8077 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8079 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8081 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8083 2006-04-03 Jeff Law <law@redhat.com>
8086 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8087 alias information too.
8089 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8091 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8093 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8096 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8097 (premark_used_types_helper): New.
8098 (premark_used_types): New.
8099 (gen_subprogram_die): Call premark_used_types.
8100 (prune_unused_types_walk): Do not prune perennial dies.
8101 * function.c (used_types_insert): New.
8102 * function.h (struct function): Add used_types_hash field.
8103 (used_types_insert): Add prototype.
8104 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8105 * c-parser.c (c_parser_cast_expression): Save casted types in used
8108 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8111 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8112 rs6000_explicit_options.float_gprs.
8114 2006-04-10 Roger Sayle <roger@eyesopen.com>
8116 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8117 from ix86_expand_vector_init_low_nonzero. Take an additional
8118 one_var argument indicating which element is non-zero. Support
8119 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8120 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8121 with one_var instead of ix86_expand_vector_init_low_nonzero.
8123 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8125 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8126 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8127 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8128 build/genextract.o): Depend on vecprim.h.
8129 * cfglayout.c, df-problems.c, function.c, genextract.c,
8130 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8131 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8135 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8137 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8138 Declare VECs of this type.
8139 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8140 (remove_children): Delete.
8141 (add_dwarf_attr): Use VEC routines.
8142 (add_AT_flag): Update for changes to add_dwarf_attr.
8143 (add_AT_int): Likewise.
8144 (add_AT_unsigned): Likewise.
8145 (add_AT_long_long): Likewise.
8146 (add_AT_vec): Likewise.
8147 (add_AT_string): Likewise.
8148 (add_AT_die_ref): Likewise.
8149 (add_AT_fde_ref): Likewise.
8150 (add_AT_loc): Likewise.
8151 (add_AT_loc_list): Likewise.
8152 (add_AT_addr): Likewise.
8153 (add_AT_lbl_id): Likewise.
8154 (add_AT_lineptr): Likewise.
8155 (add_AT_macptr): Likewise.
8156 (add_AT_offset): Likewise.
8157 (add_AT_range_list): Likewise.
8158 (get_AT): Use VEC_iterate.
8159 (remove_AT): Use VEC_ordered_remove.
8160 (free_die): Fold remove_children into here; have it use VEC_iterate.
8161 (print_die): Use VEC_iterate on attrs.
8162 (reverse_die_lists): Don't reverse attr lists.
8163 (die_checksum): Use VEC_iterate on attrs.
8164 (same_die_p): Likewise.
8165 (output_location_lists): Likewise.
8166 (build_abbrev_table): Likewise.
8167 (size_of_die): Likewise.
8168 (unmark_all_dies): Likewise.
8169 (output_abbrev_section): Likewise.
8170 (output_die): Likewise.
8171 (prune_unused_types_walk_attribs): Likewise.
8173 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8175 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8177 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8180 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8182 2006-04-09 Roger Sayle <roger@eyesopen.com>
8184 * expr.c (store_constructor): Don't bother clearing target if
8185 we're about to assign a vector to it using vec_init_optab.
8187 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8189 * tree-ssa-alias.c (lhs_may_store_to): New function.
8190 (recalculate_used_alone): Handle LHS of calls.
8192 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8196 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8197 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8198 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8199 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8200 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8201 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8202 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8203 stubs. Add ".align 8" directives before all ".dword" directives.
8204 (GTHREAD_USE_WEAK): Revise comment.
8205 (TARGET_ATTRIBUTE_WEAK): Define.
8206 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8207 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8208 * stublib.c: New file.
8213 * pa.md (cbranch patterns): Revise arguments used in calls to
8214 output_cbranch, output_bb and output_bvd. Add long branch length
8216 (fbranch patterns): Handle long branches.
8217 (jump): Revise length check. Revise arguments for output_lbranch call.
8218 Add long branch length attributes.
8219 (decrement_and_branch_until_zero): Add long branch length attributes.
8220 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8221 Likewise. Revise arguments for output_parallel_addb and
8222 output_parallel_movb calls.
8223 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8224 output_parallel_movb and output_parallel_addb): Update prototypes.
8225 * pa.c (output_cbranch): Revise arguments. Correct handling of
8226 nullification in long branches.
8227 (output_lbranch): Add new argument to control extraction of delay
8229 (output_bb): Handle long branches.
8230 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8231 output_parallel_addb): Likewise.
8233 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8235 PR rtl-optimization/27073
8236 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8239 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8241 * tree.h (tree_memory_tag): Add old_used_alone.
8242 (SMT_OLD_USED_ALONE): New macro.
8243 * tree-ssa-alias.c (recalculate_used_alone): Stop
8244 marking things for renaming unnecessarily.
8246 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8248 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8249 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8250 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8251 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8252 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8253 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8254 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8255 spelling convensions.
8256 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8257 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8258 typos. Follow spelling conventions.
8260 2006-04-07 DJ Delorie <dj@redhat.com>
8262 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8263 passed on the stack.
8264 (m32c_init_cumulative_args): When a function returns a structure,
8265 always pass the pointer to that return area on the stack.
8266 (m32c_function_arg_advance): Don't increment the parameter number
8267 if we're processing the returned structure pointer.
8268 (pushm_info): Reverse order of registers.
8270 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8272 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8273 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8274 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8275 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8277 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8278 chrec_fold_multiply): Same.
8279 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8280 force_expr_to_var_cost): Same.
8281 * tree-mudflap.c (mf_xform_derefs_1): Same.
8282 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8284 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8286 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8287 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8290 2006-04-07 Jan Hubicka <jh@suse.cz>
8292 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8294 2006-04-07 Richard Guenther <rguenther@suse.de>
8296 PR tree-optimization/26135
8297 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8298 loads for store copy-prop.
8299 (copy_prop_visit_stmt): Likewise.
8301 2006-04-05 Robert Millan <robertmh@gnu.org>
8303 * config/i386/linux.h: Add a comment to mark macros that are
8304 being overriden in config/k*bsd-gnu.h.
8305 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8307 * config/knetbsd-gnu.h: Ditto.
8309 2006-04-06 Jan Hubicka <jh@suse.cz>
8313 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8316 2006-04-06 Mike Stump <mrs@apple.com>
8318 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8319 for HAVE_nonlocal_goto to be consistent.
8320 (expand_builtin_nonlocal_goto): Likewise.
8321 (expand_builtin_strcmp): Use #ifdef instead of #if
8322 for HAVE_cmpstrnsi to be consistent.
8324 2006-04-05 DJ Delorie <dj@redhat.com>
8326 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8329 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8331 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8332 got-relative addressing for anything but SImode.
8334 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8335 even if the calling function doesn't modify them.
8337 2006-04-05 Richard Guenther <rguenther@suse.de>
8339 PR tree-optimization/26919
8340 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8341 to cgraph_estimate_size_after_inlining.
8343 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8345 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8347 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8349 PR tree-optimization/26996
8350 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8351 VECTOR_TYPE variables.
8353 2006-04-05 Richard Guenther <rguenther@suse.de>
8355 PR tree-optimization/26763
8356 * fold-const.c (fold_comparison): Move folding of
8357 PTR + CST CMP PTR + CST ...
8358 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8360 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8362 * doc/install.texi (Prerequisites): Refine some wording on
8363 bootstrapping and ksh.
8364 Move the version numbers of DejaGnu here from the testing section
8365 and fix casing of names.
8366 Fix markup and clarify wording for autogen requirements.
8367 Refer to GCJ instead of just java.
8368 Refer to SVN instead of CVS.
8369 Describe diffutils as useful instead of necessary.
8370 (Downloading the source): Refer to SVN instead of CVS.
8371 Adjust a link to our web site accordingly.
8372 (Configuration): Fix casing of Bison.
8373 (Building): Refer to SVN instead of CVS.
8374 Fix a sentence on the use of Bison and remove duplicate (and
8375 incorrect) version number of Bison requirement.
8376 Remove one redundant list of packages needed for building.
8377 (Specific): Avoid reference to CVS.
8379 2006-04-04 Eric Christopher <echristo@apple.com>
8381 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8382 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8383 (rs6000_handle_struct_attribute): New.
8384 (rs6000_ms_bitfield_layout_p): Ditto.
8386 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8388 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8389 NULL for dso parameter to atexit_common.
8391 2006-04-04 Eric Christopher <echristo@apple.com>
8393 * config/i386/i386.c (machopic_output_stub): Output \t
8394 between instructions and operands.
8396 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8398 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8399 satisfies_constraint_[IL] to explicit tests on value.
8401 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8403 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8404 set_nb_iterations_in_loop): Use build_int_cst instead of
8406 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8407 build_int_cst instead of convert.
8409 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8411 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8412 new value 2 for incoming.
8413 * function.c (expand_function_start): Call struct_value_rtx
8415 * config/sparc/sparc.md: Comment updated_return.
8416 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8417 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8418 struct return if sparc_std_struct_return and incoming is 2.
8419 (print_operand): Do not adjust return if
8420 sparc_std_struct_return.
8422 2006-04-04 Roger Sayle <roger@eyesopen.com>
8424 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8425 convert in the middle-end.
8426 * expr.c (store_expr, store_constructor, get_inner_reference,
8427 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8429 * tree.c (build_range_type): Likewise.
8431 2006-04-04 Tom Tromey <tromey@redhat.com>
8433 * doc/install.texi (Prerequisites): Mention jar.
8435 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8437 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8440 2006-04-04 Matthias Klose <doko@debian.org>
8442 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8446 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8449 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8451 * doc/extend.texi (Function Attributes): Rewrite visibility
8452 attribute documentation.
8453 * doc/invoke.texi (C++ Dialect Options): Rewrite
8454 -fvisibility-inlines-hidden documentation to describe something
8455 entirely different, although in practise compatible.
8456 (Code Gen Options): Warn about system headers in -fvisibility=
8459 * doc/extend.texi (Other Builtins): Document that
8460 __builtin_nan is a compile-time constant only when its argument
8463 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8465 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8466 trying to remove TRUNCATE check if all bits outside the new mode
8467 are identical to the sign bit.
8469 2006-04-03 Jeff Law <law@redhat.com>
8471 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8472 and operand scanning in some common cases.
8474 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8475 Dale Johannesen <dalej@apple.com>
8478 * regclass.c (struct reg_pref): Update documentation.
8479 (regclass): Set prefclass to NO_REGS if memory is the best option.
8480 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8481 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8482 into account. For non-registers, equate an empty preferred
8483 reload class to a `!' in the constraint; move the if clause to
8484 do so after those that reject the insn.
8485 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8487 (find_dummy_reload): Likewise.
8488 * doc/tm.texi (Register Classes): Document what it means
8489 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8490 * config/i386/i386.c (ix86_preferred_reload_class): Force
8491 using SSE registers (and return NO_REGS for floating-point
8492 constants) if math is done with SSE.
8493 (ix86_preferred_output_reload_class): New.
8494 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8495 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8496 * config/i386/i386.md: Remove # register preferences.
8498 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8501 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8502 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8503 the type of nb_iter.
8504 (instantiate_parameters_1): Convert the operands before calling
8505 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8506 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8508 2006-04-02 Roger Sayle <roger@eyesopen.com>
8510 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8511 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8513 * dojump.c (do_jump): Likewise.
8514 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8515 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8516 gimplify_boolean_expr): Likewise.
8517 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8518 * varasm.c (array_size_for_constructor): Likewise.
8519 * tree-object-size.c (compute_object_offset): Likewise.
8521 2006-04-02 Roger Sayle <roger@eyesopen.com>
8524 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8525 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8527 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8529 PR tree-optimization/26939
8530 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8532 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8534 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8535 at_stmt. Convert the type of operands before calling
8536 build_polynomial_chrec.
8537 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8539 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8540 (instantiate_parameters_1): Convert the type of operands before calling
8541 build_polynomial_chrec.
8542 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8543 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8544 reset_evolution_in_loop): Insert asserts to check the types of the
8546 (chrec_type): Moved...
8547 (eq_evolutions_p): Use operand_equal_p.
8548 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8549 the types of the operands.
8550 (chrec_type): ...here.
8551 * tree-data-ref.c (create_data_ref): Convert the operands before
8552 calling chrec_replace_initial_condition.
8553 (same_access_functions, analyze_subscript_affine_affine,
8554 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8555 (compute_subscript_distance, analyze_ziv_subscript,
8556 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8557 analyze_miv_subscript): Convert the operands before calling
8558 chrec_fold_minus or chrec_fold_plus.
8560 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8562 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8563 the dependence_relations vector.
8564 (compute_data_dependences_for_loop): Adjust call to
8565 compute_all_dependences.
8567 2006-04-01 Roger Sayle <roger@eyesopen.com>
8568 Richard Henderson <rth@redhat.com>
8570 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8571 gimple_boolify on the condition before calling gimplify_expr.
8573 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8575 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8576 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8577 the frame size. Update to use the new macros.
8578 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8579 * config/xtensa/ieee754-df.S: Likewise.
8581 2006-03-31 Richard Henderson <rth@redhat.com>
8583 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8584 (make_edges): ... here. Control fallthru creation with a local
8585 variable. Do not play with fake edges.
8586 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8587 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8590 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8592 * dwarf2.h (DW64_CIE_ID): Define.
8593 * dwarf2out.c (DWARF_CIE_ID): Define.
8594 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8595 length header. Use DWARF_CIE_ID.
8596 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8597 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8599 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8601 * config/sh/linux-atomic.asm: New file.
8602 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8604 2006-03-31 DJ Delorie <dj@redhat.com>
8606 * config/m32c/cond.md: Set condition flags properly throughout.
8607 * config/m32c/minmax.md: Likewise.
8608 * config/m32c/prologue.md: Likewise.
8609 * config/m32c/bitops.md: Likewise.
8610 * config/m32c/muldiv.md: Likewise.
8611 * config/m32c/mov.md: Likewise.
8612 * config/m32c/addsub.md: Likewise.
8613 * config/m32c/m32c.md: Likewise.
8614 * config/m32c/jump.md: Likewise.
8615 * config/m32c/shift.md: Likewise.
8617 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8618 conditionally output the pattern for this.
8619 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8620 (m32c_compare_redundant): New.
8621 (m32c_output_compare): New.
8622 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8624 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8625 dest, not src. Allow other 4-byte modes.
8627 2006-03-30 Denis Chertykov <denisc@overta.ru>
8629 * doc/md.texi: Refer to avr/constraints.md instead of
8632 2006-03-30 Roger Sayle <roger@eyesopen.com>
8634 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8635 signed vs. unsigned comparison failures on some hosts.
8637 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8640 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8641 change to FLOAT_REGS.
8643 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8644 (rs6000_override_options): Use it.
8645 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8646 only for -mabi=spe/no-spe and -mabi=altivec.
8648 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8650 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8653 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8655 * Makefile.in: Rename docdir to gcc_docdir.
8657 2006-03-30 Roger Sayle <roger@eyesopen.com>
8660 * expr.c (emit_group_store): Optimize group stores into a pseudo
8661 register by using a paradoxical subreg to initialize the destination
8662 if the first or last member of the group specifies a "low part".
8664 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8667 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8668 * target.h (struct gcc_target.speculate_insn): Change type of the
8669 second parameter to 'int'.
8670 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8671 the second operand of the DEPS_LIST.
8672 (copy_DEPS_LIST_list): Update reference to the second operand of the
8674 * rtl.h (alloc_DEPS_LIST): Update signature.
8675 * sched-int.h (ds_t): Change typedef to 'int'.
8676 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8678 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8680 * haifa-sched.c (try_ready): Change condition to restore
8681 non-speculative pattern of the instruction.
8682 (process_insn_depend_be_in_spec): Code to keep probability of the
8683 speculative dependence non-decreasing.
8685 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8687 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8688 (single_move_for_movmem): ... this. Also change all uses.
8689 (bfin_expand_strmov): Renamed to...
8690 (bfin_expand_movmem): ... this. Also change all uses.
8691 * config/bfin/bfin.md (movstrsi): Renamed to...
8692 (movstrsi): ...this.
8694 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8696 PR tree-optimization/26830
8698 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8699 (copy_prop_visit_stmt): Remove write-only variable ann.
8700 (init_copy_prop): Check variable loop depth here. Do not simulate
8701 memory-tag and virtual operand PHIs except for store copy prop.
8703 2006-03-30 Richard Guenther <rguenther@suse.de>
8705 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8706 variants with double arguments.
8708 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8710 * genpreds.c (write_tm_constrs_h): Delete variable p.
8711 * genconditions.c (write_header): Add tm-constrs.h to included
8713 * genpeep.c (main): Add toplev.h to included headers.
8714 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8715 (build/genpeep.o): Add toplev.h dependency.
8716 * config/rs6000/constraints.md: Add "W" constraint.
8718 2006-03-29 Roger Sayle <roger@eyesopen.com>
8720 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8721 sizes by correctly testing whether the size fits a host integer.
8722 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8723 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8724 SImode range for the default sizetype and bitsizetype.
8726 2006-03-29 Roger Sayle <roger@eyesopen.com>
8728 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8729 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8730 quickly if the argument is already of the correct type.
8731 Call fold_build1 instead of build1. Tidy up blank lines.
8733 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8735 * genemit.c (main): Add tm-constrs.h to included headers.
8736 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8737 * genpeep.c (main): Add tm-constrs.h to included headers.
8738 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8739 (write_tm_constrs_h): this and write complete file.
8740 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8741 (write_insn_preds_c): Add tm-constrs.h to included headers.
8742 (gen_constrs): New variable.
8743 (parse_option): Parse "-c".
8744 (main): Invoke write_tm_constrs_h.
8745 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8746 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8747 (object_out_file): Add tm-constrs.h dependency.
8748 (insn-emit.o): Same.
8749 (insn-output.o): Same.
8750 (insn-peep.o): Same.
8751 (insn-preds.o): Same.
8752 (insn-recog.o): Same.
8753 (tm-constsr.h): New target.
8754 (s-constrs-h): New target.
8756 * config/rs6000/constraints.md: New file.
8757 * config/rs6000/rs6000.c: Include tm-constrs.h.
8758 (num_insn_constant_wide): Convert to satisfies_constraint.
8759 (rs6000_rtx_costs): Convert to satisfies_constraint.
8760 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8761 (CONST_OK_FOR_LETTER_P): Delete.
8762 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8763 (EXTRA_CONSTRAINT): Delete.
8764 (EXTRA_MEMORY_CONSTRAINT): Delete.
8765 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8766 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8767 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8768 satisfies_constraint.
8770 * config/i386/i386.c: Include tm-constrs.h.
8772 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8774 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8775 * tree-data-ref.c (find_data_references_in_loop,
8776 compute_data_dependences_for_loop): Use pointers to VEC.
8777 (analyze_all_data_dependences): Adjust calls.
8778 * tree-data-ref.h (find_data_references_in_loop,
8779 compute_data_dependences_for_loop): Adjust declarations.
8780 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8781 compute_data_dependences_for_loop.
8783 2006-03-29 Paul Brook <paul@codesourcery.com>
8785 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8788 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8790 PR tree-optimization/26859
8791 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8793 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8794 for the step after fold_convert.
8796 2006-03-29 Paul Brook <paul@codesourcery.com>
8798 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8799 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8801 2006-03-29 Paul Brook <paul@codesourcery.com>
8804 * targhooks.c (default_narrow_bitfield): New fuction.
8805 * targhooks.h (default_narrow_bitfield): add prototype.
8806 * target.h (gcc_target): Add narrow_volatile_bitfield.
8807 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8808 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8809 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8810 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8812 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8814 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8816 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8817 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8818 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8819 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8820 (s390_function_arg_float): Allow SDmode and DDmode values to be
8821 passed in floating point registers.
8822 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8823 check with SCALAR_FLOAT_MODE_P.
8824 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8826 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8828 PR tree-optimization/25985
8829 * tree-ssa-loop-niter.c (number_of_iterations_le,
8830 number_of_iterations_ne): Make comments more precise.
8831 (number_of_iterations_cond): Add only_exit argument. Use the
8832 fact that signed variables do not overflow only when only_exit
8834 (loop_only_exit_p): New.
8835 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8836 number_of_iterations_cond.
8838 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8840 PR tree-optimization/26643
8841 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8844 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8846 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8847 (divsi3_i4_int): Likewise.
8849 2006-03-28 Roger Sayle <roger@eyesopen.com>
8851 * expr.c (emit_group_store): Only create a new pseudo reg if the
8852 quantity it needs to hold isn't already a suitable pseudo.
8854 2006-03-28 Jeff Law <law@redhat.com>
8856 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8857 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8859 2006-03-28 Roger Sayle <roger@eyesopen.com>
8861 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8862 the equivalent ~X & Y, and the symmetry related transformations.
8863 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8864 ~X & Y, and symmetry related transforms.
8866 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8868 Revert my 2006-03-27 patches.
8870 2006-03-28 Roger Sayle <roger@eyesopen.com>
8872 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8873 ~(T1)X, when T1 and T2 are integer types of the same precision
8874 and (T2)X isn't an extension.
8876 2006-03-28 Jeff Law <law@redhat.com>
8878 PR tree-optimization/26796
8879 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8880 need EH edge cleanups rather than purging them immediately.
8881 (eliminate_degenerate_phis): Handle queued EH cleanups.
8883 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8885 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8888 2006-03-27 Roger Sayle <roger@eyesopen.com>
8891 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8892 cast BIT_NOT_EXPR operand to the correct type.
8894 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8896 * tree-loop-linear.c: Don't include varray.h.
8897 (gather_interchange_stats, try_interchange_loops,
8898 linear_transform_loops): Use VEC instead of VARRAY.
8899 * lambda-mat.c: Don't include varray.h.
8900 * tree-chrec.c: Same.
8901 * lambda-trans.c: Same.
8902 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8903 VEC instead of VARRAY.
8904 * tree-vectorizer.h: Idem.
8905 * tree-data-ref.c (dump_data_references,
8906 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8907 initialize_data_dependence_relation, finalize_ddr_dependent,
8908 compute_all_dependences, find_data_references_in_loop,
8909 compute_data_dependences_for_loop, analyze_all_data_dependences,
8910 free_dependence_relation, free_dependence_relations,
8911 free_data_refs): Idem.
8912 * tree-data-ref.h (data_reference_p, subscript_p): New.
8913 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8914 VEC instead of VARRAY.
8915 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8916 (find_data_references_in_loop, compute_data_dependences_for_loop,
8917 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8918 dump_data_dependence_relations, free_dependence_relations,
8919 free_data_refs): Adjust declaration.
8920 (lambda_transform_legal_p): Move declaration here...
8921 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8922 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8923 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8924 vect_analyze_data_refs): Use VEC instead of VARRAY.
8925 * lambda.h (lambda_transform_legal_p): ...from here.
8926 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8927 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8928 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8929 tree-chrec.o): Don't depend on VARRAY_H.
8931 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8933 * rtl.def (Copyright): Update date.
8934 (DEPS_LIST): Change type of the second operand to 'int'.
8935 * target.h (Copyright): Update date.
8936 (struct gcc_target.speculate_insn): Change type of the second parameter
8938 * lists.c (Copyright): Update date.
8939 (alloc_DEPS_LIST): Change signature. Update reference to the second
8940 operand of the DEPS_LIST.
8941 (copy_DEPS_LIST_list): Update reference to the second operand of the
8943 * rtl.h (Copyright): Update date.
8944 (alloc_DEPS_LIST): Update signature.
8945 * sched-int.h (Copyright): Update date.
8946 (ds_t): Change typedef to 'int'.
8947 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8949 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8951 * haifa-sched.c (Copyright): Update date.
8952 (try_ready): Change condition to restore non-speculative pattern
8954 (process_insn_depend_be_in_spec): Code to keep probability of the
8955 speculative dependence non-decreasing.
8957 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8959 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8960 shut up the compiler.
8962 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8964 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8965 to use lib prefix for target.
8966 ($(T)libic_invalidate_array_4-200.a): Likewise.
8967 ($(T)libic_invalidate_array_4a.a): Likewise.
8969 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8970 J"orn Rennecke <joern.rennecke@st.com>
8972 * superh.opt: New file.
8973 * sh.c (boardtype, osruntime): Remove.
8974 * superh.h (SUBTARGET_OPTIONS): Remove.
8975 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8977 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8978 arguments with ^ and/or [].
8980 * config.gcc (sh-*-*): Add quoting to account for quirk of
8982 Replace == with = in enable_incomplete_targets test.
8984 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8985 with MASK_LITTLE_ENDIAN.
8987 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8988 * config/sh/sh.opt: Added to some comments.
8989 * config/sh/superh.h: Removed some chaff.
8991 * config/sh/sh.opt: Add m4-[1234]00* options.
8992 * config/sh/sh.c (sh_handle_option): Likewise.
8993 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8994 (ic_invalidate_array_4-100.o): New rule.
8995 ($(T)libic_invalidate_array_4-100.a): Likewise.
8996 (ic_invalidate_array_4-200.o): Likewise.
8997 ($(T)libic_invalidate_array_4-200.a): Likewise.
8998 (ic_invalidate_array_4a.o): Likewise.
8999 ($(T)libic_invalidate_array_4a.a): Likewise.
9000 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9001 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9003 * config/sh/crt1.asm: Merged in profiling code.
9004 * config/sh/superh.h (STARTFILE_SPEC): Override.
9005 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9006 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9007 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9009 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9010 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9011 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9013 * sh.opt (mpretend-cmove): New option.
9014 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9015 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9016 (movsicc): Add TARGET_PRETEND_CMOVE code.
9018 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9020 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9021 s390_class_max_nregs): New function prototypes.
9022 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9023 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9024 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9025 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9027 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9029 * dwarf2out.c (add_location_or_const_value_attribute): Call
9030 tree_add_const_value_attribute if nothing else works.
9031 (reference_to_unused): New.
9032 (rtl_for_decl_init): Use reference_to_unused to decide whether
9033 to output an initializer.
9035 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9038 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9039 peephole removing spe frob_di_df_2.
9041 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9043 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9044 (subscript_dependence_tester_1): Declared.
9045 (print_dir_vectors, print_dist_vectors): New.
9046 (debug_data_dependence_relation): New.
9047 (dump_data_dependence_relation): Print more details.
9048 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9049 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9050 (save_dist_v, save_dir_v, add_outer_distances,
9051 build_classic_dist_vector_1): New.
9052 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9053 Don't test for lambda_vector_lexico_pos.
9054 (same_access_functions, add_multivariate_self_dist,
9055 add_other_self_distances, dir_from_dist): New.
9056 (build_classic_dir_vector): Replace implementation almost identical to
9057 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9059 (subscript_dependence_tester_1): New.
9060 (subscript_dependence_tester): Handle the lexicographically negative
9061 distance vectors by recomputing the dependence relation.
9062 (compute_affine_dependence): Remove parameter loop_nest_depth.
9063 (compute_self_dependence): Don't call compute_subscript_distance.
9064 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9065 Add a parameter for the loop_nest.
9066 (find_loop_nest_1, find_loop_nest): New.
9067 (compute_data_dependences_for_loop): Compute the loop nest, and give
9068 up if the nest is not well formed.
9069 * tree-data-ref.h (loop_p): New.
9070 (struct data_dependence_relation): Replace size_vect field with
9071 loop_nest, a vec of loops.
9072 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9073 (DDR_LOOP_NEST): New.
9074 (print_dir_vectors, print_dist_vectors,
9075 debug_data_dependence_relation): Declared.
9076 (index_in_loop_nest): New.
9077 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9078 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9081 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9083 * simplify-rtx.c (simplify_relational_operation): Call
9084 simplify_relational_operation_1 even if mode is VOIDmode.
9086 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9088 PR tree-optimization/26804
9089 * tree.h (DECL_CALL_CLOBBERED): New macro.
9090 (tree_decl_common): Add call_clobbered_flag.
9091 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9092 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9093 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9094 (mark_non_addressable): Ditto.
9095 * tree-ssa.c (verify_call_clobbered): New function.
9096 (verify_alias_info): Use it.
9097 * tree-pass.h (pass_reset_cc_flags): New prototype.
9098 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9099 (reset_cc_flags): New function.
9100 * passes.c (init_optimization_passes): Call reset_cc_flags after
9101 initializing referenced_vars.
9103 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9104 Roger Sayle <roger@eyesopen.com>
9107 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9108 to 1.0 for non-real operands. Implement A / A optimization for
9111 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9113 * config/i386/i386.c (size_cost): Correct the comment for
9114 cost of storing fp registers.
9115 (i386_cost): Likewise.
9116 (i486_cost): Likewise.
9117 (pentium_cost): Likewise.
9118 (pentiumpro_cost): Likewise.
9119 (k6_cost): Likewise.
9120 (athlon_cost): Likewise.
9121 (k8_cost): Likewise.
9122 (pentium4_cost): Likewise.
9123 (nocona_cost): Likewise.
9124 (generic64_cost): Likewise.
9125 (generic32_cost): Likewise.
9127 2006-03-24 Denis Chertykov <denisc@overta.ru>
9129 * config/avr/avr-protos.h (extra_constraint): Delete.
9130 (extra_constraint_Q): New declaration.
9131 * config/avr/constraints.md: New file.
9132 * config/avr/avr.md: Include it.
9133 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9134 (TMP_REGNO, ZERO_REGNO): Likewise.
9135 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9136 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9137 (extra_constraint): Delete.
9138 (extra_constraint_Q): Test for memory constraint 'Q'.
9139 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9140 (REG_CLASS_FROM_LETTER): Delete.
9141 (CONST_OK_FOR_LETTER_P): Delete.
9142 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9143 (EXTRA_CONSTRAINT): Delete.
9144 (TMP_REGNO): Delete.
9145 (ZERO_REGNO): Delete.
9147 2006-03-24 Jeff Law <law@redhat.com>
9149 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9150 directly. Call mark_new_vars_to_rename slightly earlier.
9152 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9154 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9156 (gen_compile_unit_die): Use new language types for Objective-C and
9158 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9159 DW_LANG_C_plus_plus.
9162 * config/t-darwin (crt3.o): Work around bug 26840.
9163 * config/darwin-crt3.c: Rewrite.
9164 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9166 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9168 * doc/invoke.texi: Document -femit-class-debug-always
9169 * common.opt: Add -femit-class-debug-always.
9171 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9173 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9174 index and base register.
9175 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9176 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9177 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9178 REGNO_OK_FOR_INDEX_P.
9179 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9181 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9182 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9183 REG_OK_FOR_BASE_P): Definitions removed.
9185 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9188 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9189 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9190 set yet or weren't marked as local yet.
9192 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9194 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9197 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9199 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9200 (rs6000_legitimate_small_data_p): Delete.
9201 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9202 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9203 and make static. Add forward declaration. Update uses.
9204 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9205 of offsettable_memref_p.
9206 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9207 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9209 2006-03-24 Jeff Law <law@redhat.com>
9211 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9212 around bug in immediate-use iterator.
9214 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9217 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9218 or __LITTLE_ENDIAN__.
9220 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9222 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9223 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9224 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9225 * config/sh/sh.opt (mdiv=): Amend description.
9226 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9227 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9228 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9229 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9230 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9231 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9232 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9233 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9234 TARGET_DIVIDE_CALL_FP.
9236 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9238 * haifa-sched.c (choose_ready): Fix type of the local variable.
9239 Move local variables. Add comment.
9240 (check_reg_live): Change signature. Make callable from debugger.
9241 * sched-int.h (check_reg_live): Update signature.
9242 * sched-ebb.c (check_reg_live): Update parameters.
9243 * sched-rgn.c (check_reg_live): Ditto.
9244 (region_head_or_leaf_p): Check pointer before dereferencing.
9245 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9246 before reload on optimization levels below 1.
9248 2006-03-23 Richard Henderson <rth@redhat.com>
9250 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9254 * config/alpha/predicates.md (local_symbolic_operand): Reject
9257 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9260 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9261 expressions which have overflowed constants.
9263 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9265 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9267 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9269 * cfgloopmanip.c (create_loop_notes): Removed.
9270 * final.c (final_scan_insn): Do not handle loop notes.
9271 * jump.c (squeeze_notes): Ditto.
9272 * cfglayout.c (skip_insns_after_block,
9273 duplicate_insn_chain): Ditto.
9274 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9276 * cfgloop.h (create_loop_notes): Declaration removed.
9278 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9280 * varasm.c (output_constant_pool): Restore fnname and fndecl
9282 (assemble_start_function): Adjust call accordingly.
9283 (assemble_end_function): Likewise.
9285 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9288 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9291 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9293 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9296 * system.h (ICE_EXIT_CODE): New macro.
9297 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9298 (diagnostic_action_after_output): Likewise.
9299 * gcc.c (fatal_ice): New function.
9300 (execute): Use it instead of fatal.
9301 (fancy_abort): Likewise.
9302 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9304 2006-03-22 Jeff Law <law@redhat.com>
9306 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9307 iv_analyze_result returning false.
9309 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9311 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9313 2006-03-22 Richard Henderson <rth@redhat.com>
9316 * except.c (duplicate_eh_regions_0): New.
9317 (duplicate_eh_region_1): Duplicate the children of the node as
9318 well as the node itself. Link them up properly.
9319 (duplicate_eh_region_2): Merge into ...
9320 (duplicate_eh_regions): ... here. Take copy_region argument, and
9321 copy only a sub-tree if asked. Simplify copying and fixup.
9322 (eh_region_outer_p): New.
9323 * except.h (duplicate_eh_regions): Update decl.
9324 (eh_region_outer_p): Declare.
9325 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9326 (lower_omp_master): Likewise.
9327 (lower_omp_ordered): Likewise.
9328 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9329 (move_stmt_r): Use it to remap labels. Handle recursion vs
9330 remap_decls_p properly.
9331 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9332 (find_outermost_region_in_block): New.
9333 (new_label_mapper): New.
9334 (move_sese_region_to_fn): Copy eh information to the new function
9336 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9338 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9341 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9343 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9344 into shared libraries.
9346 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9348 * doc/md.texi: Refer to i386/constraints.md instead of
9350 * config/i386/constraints.md: New file, extracted from...
9351 * config/i386/predicates.md: ...here.
9352 * config/i386/i386.md: Include constraints.md.
9354 2006-03-21 Jason Merrill <jason@redhat.com>
9356 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9359 * expr.c (init_block_move_fn): Force default visibility.
9360 (init_block_clear_fn): Likewise.
9361 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9362 * targhooks.c (default_external_stack_protect_fail): Likewise.
9364 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9366 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9367 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9368 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9369 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9370 (loadgp): Use mips_current_loadgp_style.
9371 (loadgp_noshared): New pattern.
9372 (sibcall_internal): Use MIPS_CALL.
9373 (sibcall_value_internal): Likewise.
9374 (sibcall_value_multiple_internal): Likewise.
9375 (call_internal): Likewise.
9376 (call_value_internal): Likewise.
9377 (call_value_multiple_internal): Likewise.
9378 (call_split): Use MIPS_CALL and add an 'S' constraint.
9379 (call_value_split): Likewise.
9380 (call_value_multiple_split): Likewise.
9381 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9382 (-mshared): New option.
9383 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9384 (mips_current_loadgp_style): Declare.
9385 * config/mips/mips.c (mips_classify_symbol): Avoid using
9386 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9387 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9388 TARGET_ABSOLUTE_ABICALLS.
9389 (override_options): Adjust comments. Improve the warning that is
9390 issued when -mabicalls and -G are used together.
9391 (mips_file_start): Remove comment.
9392 (mips_current_loadgp_style): New function.
9393 (mips_gnu_local_gp): New variable.
9394 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9396 (mips_output_function_prologue): Use mips_current_laodgp_style.
9397 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9398 the cprestore instruction.
9399 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9400 live for TARGET_ABSOLUTE_ABICALLS.
9401 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9402 (ASM_SPEC): Pass down -mshared and -mno-shared.
9403 (MIPS_CALL): New macro.
9404 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9406 * doc/invoke.texi (-mabicalls): Update documentation.
9407 (-mshared): Document.
9409 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9411 * config/ia64/unwind-hpux.c: New file.
9412 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9414 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9417 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9419 2006-03-21 Jeff Law <law@redhat.com>
9421 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9422 type conversions of a VR_VARYING source to a wider type.
9424 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9426 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9427 tm_file on Solaris 10 and later.
9428 (sparc64-*-solaris2*): Likewise.
9429 (sparc-*-solaris2*): Likewise.
9430 * config/sol26.h: Rename to config/sol2-6.h.
9431 * config/sol2-10.h: New file.
9433 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9436 * tree-ssa-pre.c (create_component_ref_by_pieces):
9439 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9442 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9443 return it immediately.
9445 2006-03-21 Michael Matz <matz@suse.de>
9447 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9449 (remove_arc, add_arc): Update num_out_arcs member.
9450 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9452 (cache_presence): New function.
9453 (compare_states_for_equiv): New function.
9454 (state_is_differed): Don't take number of outargs, adjust callers.
9455 Use new invariant for speeding up.
9456 (init_equiv_class): Create initial classes based on sorted
9458 (partition_equiv_class): Don't track out_arcs_num.
9459 (evaluate_equiv_classes): Call cache_presence on all states and
9462 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9464 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9465 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9466 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9467 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9469 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9470 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9471 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9472 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9473 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9475 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9476 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9477 (REGNO_REG_CLASS): ARGP is in PREGS.
9478 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9480 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9481 to deal with those addresses.
9482 * addresses.h: New file.
9483 * caller-save.c: Include "addresses.h".
9484 (init_caller_save): Use new base_reg_class function.
9485 * rtl-factoring.c: Include "addresses.h".
9486 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9487 * recog.c: Include "addresses.h".
9488 (preprocess_constraints): Use new base_reg_class function.
9489 * regrename.c: Include "addresses.h".
9490 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9491 functions. Keep track of a new var INDEX_CODE to compute valid
9493 (replace_oldest_value_addr): Likewise.
9494 (replace_oldest_value_mem): Use base_reg_class.
9495 * reload.c: Include "addresses.h".
9496 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9497 (find_reloads): Use new base_reg_class function.
9498 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9499 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9500 all callers and prototype changed.
9501 * reload1.c: Include "addresses.h".
9502 (maybe_fix_stack_asms): Use base_reg_class.
9503 * regclass.c: Include "addresses.h".
9504 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9505 (init_reg_autoinc): Use new base_reg_class function.
9506 (record_reg_classes): Likewise.
9507 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9508 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9509 Use new args to compute necessary class.
9511 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9512 regrename.o, rtl-factoring.o): Update dependencies.
9513 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9514 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9515 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9516 REG_OK_FOR_INDEX_P): Delete documentation.
9518 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9520 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9521 from V7 to V9 for Solaris 7 and above.
9523 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9525 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9526 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9527 argument pointers may not alias any other storage.
9528 * common.opt: Define option -fargument-noalias-anything.
9529 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9530 alias semantics is specified by flag_argument_noalias > 2.
9532 2006-03-20 Jeff Law <law@redhat.com>
9534 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9535 (pass_phi_only_cprop): Declare.
9536 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9538 * tree-ssa-dom.c (degenerate_phi_result): New function.
9539 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9540 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9541 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9542 (eliminate_degenerate_phis): Likewise.
9543 (pass_phi_only_cprop): New pass descriptor.
9544 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9545 support code. Callers updated.
9546 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9547 (store_copy_prop): Likewise.
9548 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9550 2006-03-20 Jason Merrill <jason@redhat.com>
9553 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9554 (push_visibility, pop_visibility): Likewise.
9555 * c-pragma.h: Declare them.
9557 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9559 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9561 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9562 parameter and use get_ebb_head_tail.
9563 (sh_md_init_global): Adjust uses of find_regmode_weight.
9565 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9567 * function.h (struct function) <x_tail_recursion_reentry>:
9568 Rename to x_stack_check_probe_note.
9569 (tail_recursion_reentry): Rename to stack_check_probe_note.
9570 * function.c: Replace tail_recursion_reentry with
9571 stack_check_probe_note everywhere.
9572 (expand_function_start): Only emit a note for
9573 stack_check_probe_note with -fstack-protect.
9574 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9576 * emit-rtl.c (remove_unnecessary_notes): Remove.
9577 (pass_remove_unnecessary_notes): Remove.
9578 * rtl.h (remove_unnecessary_notes): Remove prototype.
9579 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9580 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9581 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9583 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9586 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9587 (valid_in_set): Handle ARRAY_REF.
9588 Change "if min_variant or VH" to asserts.
9589 (create_component_ref_by_pieces): Handle ARRAY_REF.
9590 (create_expression_by_pieces): Likewise.
9591 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9593 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9595 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9596 is operand of switch, not str[0].
9598 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9600 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9601 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9603 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9605 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9606 end of insn_extra_address_constraint declaration.
9608 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9610 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9611 (no-sum-in-toc): Same.
9612 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9614 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9615 NO_FP_IN_TOC for -fPIC instead of mask.
9617 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9618 (BOOT_LDFLAGS): Delete.
9620 * config/rs6000/t-aix52: Same.
9622 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9623 (stmsi[345678]_power): New.
9625 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9627 * config/ia64/ia64.opt: Add empty line to end of file.
9629 2006-03-17 Richard Guenther <rguenther@suse.de>
9632 * builtins.c (get_pointer_alignment): For component style references
9633 adjust alignment to the component type alignment. Make sure
9634 to adjust alignment for component access of constants.
9636 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9638 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9641 2006-03-17 Paul Brook <paul@codesourcery.com>
9643 * doc/install.texi: Docuemnt --with-mode.
9644 * config.gcc: Add --with-mode for arm*-*-*.
9645 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9647 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9649 * sh.c (max_labelno_before_reorg): New variable.
9650 (sh_reorg): Initialize it.
9651 (find_barrier): Check max_labelno_before_reorg before using
9652 label_to_alignment. Take length of explicit alignment insns
9653 into account. When seeing a UNSPECV_CONST_END, return it.
9655 * sh.c (fixup_mova): Set mode of affected label to QImode.
9656 (untangle_mova): New function.
9657 (find_barrier): Use it. Check mode of label before decrementing
9659 (sh_reorg): Likewise.
9660 Set mode of all insns back to VOIDmode.
9662 * sh.c (MOVA_LABELREF): New macro.
9663 (mova_p, fixup_mova, sh_reorg): Use it.
9664 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9665 ADDR_DIFF_VEC matches mova.
9667 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9669 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9670 with ATTRIBUTE_UNUSED.
9672 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9674 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9675 pointer, instead of assuming it is possible to derive the
9676 correct args size from a call insn.
9678 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9680 * rtl.h (CONST_INT_P): Define.
9681 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9682 instead of GET_CODE(x) == CONST_INT.
9683 (vax_rtx_costs): Likewise.
9684 (vax_output_int_move): Likewise.
9685 (vax_output_int_add): Likewise.
9686 (legitimate_constant_address_p): Likewise.
9687 (index_term_p): Likewise.
9688 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9689 * config/vax/vax.md (and<mode>3): Likewise.
9690 (ashrsi3): Likewise.
9692 (movstricthi): Likewise.
9693 (movstrictqi): Likewise.
9694 (rotrsi3): Likewise.
9695 (five unnamed insns): Likewise.
9697 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9699 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9700 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9701 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9702 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9703 Pass to ASM_OUTPUT_DWARF_OFFSET.
9704 * dwarf2out.c (debug_frame_section): New.
9705 (output_call_frame_info): Use debug_frame_section. Pass it to
9706 dw2_asm_output_offset.
9707 (output_die): Pass appropriate section to dw2_asm_output_offset.
9708 (output_compilation_unit_header): Likewise.
9709 (output_pubnames): Likewise.
9710 (output_aranges): Likewise.
9711 (enum dw_val_class): Break dw_val_class_lbl_offset into
9712 dw_val_class_lineptr and dw_val_class_macptr.
9713 (add_AT_lbl_offset): Delete.
9714 (add_AT_lineptr): New.
9715 (add_AT_macptr): New.
9716 (AT_lbl): Expect a lineptr or macptr.
9717 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9718 (attr_checksum): Likewise.
9719 (same_dw_val_p): Likewise.
9720 (size_of_die): Likewise.
9721 (value_format): Likewise.
9722 (output_die): Likewise.
9723 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9725 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9726 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9727 * config/darwin-protos.h (darwin_file_start): New.
9728 (darwin_asm_output_dwarf_offset): New.
9729 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9730 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9732 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9733 if not EH section; simplify.
9734 (darwin_file_start): New.
9735 (darwin_asm_output_dwarf_offset): New.
9736 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9738 (DEBUG_INFO_SECTION): Likewise.
9739 (DEBUG_ABBREV_SECTION): Likewise.
9740 (DEBUG_ARANGES_SECTION): Likewise.
9741 (DEBUG_MACINFO_SECTION): Likewise.
9742 (DEBUG_LINE_SECTION): Likewise.
9743 (DEBUG_LOC_SECTION): Likewise.
9744 (DEBUG_PUBNAMES_SECTION): Likewise.
9745 (DEBUG_STR_SECTION): Likewise.
9746 (DEBUG_RANGES_SECTION): Likewise.
9747 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9748 (ASM_OUTPUT_DWARF_OFFSET): New.
9750 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9752 * config.gcc (tm_defines): Always add to previous value rather
9755 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9757 * config/mips/predicates.md (splittable_const_int_operand): New,
9758 split from move_operand.
9759 (splittable_symbolic_operand): New.
9760 (move_operand): Add commentary. Use splittable_const_int_operand.
9761 Inline mips_atomic_symbolic_constant_p.
9762 * config/mips/mips.md: Add combine splitters for handling moves
9763 of splittable_const_int_operands and splittable_symbolic_operands.
9764 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9765 (mips_split_symbol): Declare.
9766 (mips_move_integer): Declare.
9767 * config/mips/mips.c (mips_split_p): Make global.
9768 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9769 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9770 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9771 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9772 (mips_offset_within_object_p): Handle block symbols.
9773 (mips_atomic_symbolic_constant_p): Delete.
9774 (mips_cannot_force_const_mem): Return false for constants that
9775 mips_legitimize_move can handle.
9776 (mips_use_blocks_for_constant_p): New function.
9777 (mips_split_symbol): Make global.
9778 (mips_move_integer): Likewise. Add a temporary register argument.
9779 (mips_legitimize_const_move): Use splittable_const_int_operand and
9780 splittable_symbolic_operand.
9781 (mips_use_anchors_for_symbol_p): New function.
9782 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9783 (mips_split_p): Declare.
9785 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9787 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9788 (mips*-*-linux*): Likewise.
9790 2006-03-16 Roger Sayle <roger@eyesopen.com>
9791 Daniel Speyer <dspeyer@wam.umd.edu>
9794 * tree-dump.c (dump_real): New function.
9795 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9796 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9797 (tree-dump.o): Add $(REAL_H) to the dependencies.
9799 2006-03-16 Roger Sayle <roger@eyesopen.com>
9802 * real.c (real_from_string): If the mantissa is zero, don't bother
9803 parsing the exponent as the result should always be zero.
9805 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9807 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9809 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9811 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9812 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9813 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9814 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9815 ia64_sched_finish_global): New static functions to implement
9816 hooks from gcc_target.sched.
9817 (spec_check_no, max_uid, pending_data_specs): New static variables.
9818 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9819 ia64_spec_check_src_p): New static functions.
9820 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9821 (TARGET_SCHED_ADJUST_COST): Removed.
9822 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9823 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9824 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9825 TARGET_SCHED_GEN_CHECK,
9826 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9827 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9828 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9829 Fixed to handle speculation checks.
9830 (rtx_needs_barrier): Fixed to handle speculative loads and
9832 (ia64_variable_issue): Added code to count speculative loads and their
9834 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9836 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9838 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9840 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9841 (ia64_reorg): Reset stops_p to NULL after it is freed.
9842 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9843 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9844 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9846 (data_speculative, control_speculative, check_load): New attributes.
9847 (mov<mode>_advanced, mov<mode>_speculative,
9848 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9849 zero_extend<mode>di2_speculative,
9850 zero_extend<mode>di2_speculative_advanced): New patterns for
9851 data and control speculative loads.
9852 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9854 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9855 New pattern for data and control speculation checks.
9856 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9857 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9858 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9859 Auxiliary definitions for the patterns.
9860 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9861 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9863 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9865 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9866 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9867 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9868 New resource constraints.
9869 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9871 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9872 * config/ia64/ia64.opt (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): New flags to tune speculative
9879 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9880 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9881 msched-in-control-spec, msched-ldc, msched-control-ldc,
9882 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9883 msched-prefer-non-control-spec-insns,
9884 msched-count-spec-in-critical-path): Document new flags.
9886 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9888 * target.h (struct spec_info_def): New opaque declaration.
9889 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9890 speculate_insn, needs_block_p, gen_check,
9891 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9892 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9893 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9894 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9895 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9896 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9898 (TARGET_SCHED): Use new macros.
9899 * rtl.h (copy_DEPS_LIST_list): New prototype.
9900 * sched-int.h (struct sched_info): Change signature of new_ready field,
9901 adjust all initializations. New fields: add_remove_insn,
9902 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9903 region_head_or_leaf_p.
9904 (struct spec_info_def): New structure declaration.
9905 (spec_info_t): New typedef.
9906 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9907 recovery_block, orig_pat.
9908 (glat_start, glat_end): New variables declaraions.
9909 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9911 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9912 DETACH_LIFE_INFO, USE_GLAT.
9913 (enum SPEC_SCHED_FLAGS): New enumeration.
9914 (NOTE_NOTE_BB_P): New macro.
9915 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9916 attach_life_info, debug_spec_status, check_reg_live): New functions.
9917 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9918 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9920 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9921 * ddg.c (get_block_head_tail): Adjust all uses.
9922 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9923 (sms_sched_info): Initialize new fields.
9924 (contributes_to_priority): Removed.
9925 * haifa-sched.c (params.h): New include.
9926 (get_block_head_tail): Adjust all uses.
9927 (ISSUE_POINTS): New macro.
9928 (glat_start, glat_end): New global variables.
9929 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9930 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9931 old_last_basic_block, before_recovery, current_sched_info_var,
9932 rgn_n_insns, luid): New static variables.
9933 (insn_cost1): New function. Move logic from insn_cost to here.
9934 (find_insn_reg_weight1): New function. Move logic from
9935 find_insn_reg_weight to here.
9936 (reemit_notes, move_insn, max_issue): Change signature.
9937 (move_insn1): Removed.
9938 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9939 extend_bb): New static functions to support extension of scheduler's
9941 (generate_recovery_code, process_insn_depend_be_in_spec,
9942 begin_speculative_block, add_to_speculative_block,
9943 init_before_recovery, create_recovery_block, create_check_block_twin,
9944 fix_recovery_deps): New static functions to support
9945 generation of recovery code.
9946 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9947 restore_bb_notes, move_block_after_check, move_succs): New static
9948 functions to support ebb scheduling.
9949 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9950 functions to support handling of register live information.
9951 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9952 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9953 add_jump_dependencies): New static functions.
9954 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9955 consistancy checking.
9956 (debug_spec_status): New function to call from debugger.
9957 (priority): Added code to handle speculation checks.
9958 (rank_for_schedule): Added code to distinguish speculative instructions.
9959 (schedule_insn): Added code to handle speculation checks.
9960 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9961 Fixed to handle ebbs.
9962 (move_insn): Added code to handle ebb scheduling.
9963 (max_issue): Added code to use ISSUE_POINTS of instructions.
9964 (choose_ready): Added code to choose between speculative and
9965 non-speculative instructions.
9966 (schedule_block): Added code to handle ebb scheduling and scheduling of
9967 speculative instructions.
9968 (sched_init): Initialize new variables.
9969 (sched_finish): Free new variables. Print statistics.
9970 (try_ready): Added code to handle speculative instructions.
9971 * lists.c (copy_DEPS_LIST_list): New function.
9972 * sched-deps.c (extend_dependency_caches): New function. Move logic
9973 from create_dependency_caches to here.
9974 (get_dep_weak, ds_merge): Make global.
9975 * genattr.c (main): Code to output prototype for
9976 dfa_clear_single_insn_cache.
9977 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9978 (output_dfa_clean_insn_cache_func): Code to output
9979 dfa_clear_single_insn_cache function.
9980 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9982 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9984 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9985 New static variables.
9986 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9987 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9989 (ebb_sched_info): Initialize new fields.
9990 (get_block_head_tail): Adjust all uses.
9991 (compute_jump_reg_dependencies): Fixed to use glat_start.
9992 (schedule_ebb): Code to remove unreachable last block.
9993 (schedule_ebbs): Added code to update register live information.
9994 * sched-rgn.c (region_sched_info): Initialize new fields.
9995 (get_block_head_tail): Adjust all uses.
9996 (last_was_jump): Removed. Adjust users.
9997 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9998 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9999 Implement new hooks.
10000 (check_dead_notes1): New static function.
10001 (struct region): New fields: dont_calc_deps, has_real_ebb.
10002 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10003 (BB_TO_BLOCK): Fixed to handle EBBs.
10004 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10005 (ebb_head): New static variable.
10006 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10007 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10009 (compute_dom_prob_ps): New assertion.
10010 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10011 global_live_at_start.
10012 (init_ready_list): New assertions.
10013 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10014 (new_ready): Add support for BEGIN_CONTROL speculation.
10015 (schedule_insns): Fixed code that updates register live information
10017 (schedule_region): Fixed to handle EBBs.
10018 (init_regions): Use extend_regions and check_dead_notes1.
10019 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10020 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10021 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10022 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10023 TARGET_SCHED_GEN_CHECK,
10024 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10025 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10026 * doc/invoke.texi (max-sched-insn-conflict-delay,
10027 sched-spec-prob-cutoff): Document.
10029 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10031 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10032 inter_tick, queue_index.
10033 (struct sched_info): Change signature of init_ready_list field.
10034 Adjust all initializations.
10035 (RESOLVED_DEPS): New access macro.
10036 (ready_add): Remove prototype.
10037 (try_ready): Add prototype.
10038 * sched-rgn.c (init_ready_list): Use try_ready.
10039 (schedule_region): Initialize
10040 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10041 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10042 (init_ready_list): Use try_ready.
10043 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10044 * lists.c (remove_list_elem): Remove `static'.
10045 (remove_free_INSN_LIST_elem): New function.
10046 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10047 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10048 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10050 (readyp): New variable.
10051 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10052 change_queue_index, resolve_dep): New static functions.
10053 (try_ready): New function. Adjust callers in sched-rgn.c and
10054 sched-ebb.c to use it instead of ready_add.
10055 (clock_var): Move at the begining of file.
10056 (rank_for_schedule): Fix typo.
10057 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10058 (ready_lastpos): Enforce assertion.
10059 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10060 update all callers.
10061 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10062 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10063 (queue_to_ready): Use free_INSN_LIST_list.
10064 (early_queue_to_ready): Fix typo.
10065 (schedule_block): Init readyp. Move init_ready_list call after the
10066 initialization of clock_var. Fix error in rejecting insn by
10067 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10068 that previously corrected INSN_TICKs. Add code for handling
10070 (set_priorities): Fix typo.
10071 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10072 Clarify comment and code that keeps current_sched_info->next_tail
10075 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10077 * sched-rgn.c (extend_rgns): New static function.
10078 (find_rgns): Use it.
10079 (gather_region_statistics, print_region_statistics): New static
10081 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10082 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10084 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10085 Andrey Belevantsev <abel@ispras.ru>
10087 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10088 * lists.c (unused_deps_list): New variable.
10089 (free_list): Add assertions to verify the proper distinguishing
10090 between INSN_LISTs and DEPS_LISTs.
10091 (find_list_elem, remove_list_elem, remove_list_node): New static
10093 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10094 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10095 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10096 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10098 (free_INSN_LIST_node): Likewise.
10099 * modulo-sched.c (current_sched_info): Initialize flags field.
10100 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10101 * rtl.def (DEPS_LIST): Define.
10102 * rtl.h: Declare new functions from lists.c.
10103 * sched-deps.c (spec_dependency_cache): New static variable.
10104 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10105 (add_dependence): Change return type to void. Move the logic to ...
10106 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10107 (delete_all_dependences): Add comment about forward_dependency_cache.
10108 Handle spec_dependency_cache. Handle DEPS_LISTs.
10109 (fixup_sched_groups): Clarify the change of priority of output
10110 and anti dependencies.
10111 (sched_analyze_2): Adjust add_dependence calls to create data
10112 speculative dependence.
10113 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10114 Adjust all callers. Handle DEPS_LISTS.
10115 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10116 presence of speculation.
10117 (init_dependency_caches, free_dependency_caches):
10118 Handle spec_dependency_cache.
10119 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10120 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10121 New static functions.
10122 (add_or_update_back_dep, add_or_update_back_forw_dep,
10123 add_back_forw_dep, delete_back_forw_dep): New functions.
10124 * sched-int.h (ds_t, dw_t): New typedefs.
10125 (struct sched_info): Add new field flags.
10126 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10127 Prototype new sched-deps.c functions.
10128 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10129 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10130 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10131 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10132 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10133 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10135 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10137 * sched-rgn.c (current_sched_info): Initialize flags field.
10138 (schedule_insns): Initialize current_sched_info before the sched_init
10140 * sched-ebb.c (current_sched_info): Initialize flags field.
10141 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10142 Call add_or_update_back_dep instead of add_dependence.
10143 Create control speculative dependencies.
10144 (schedule_insns): Initialize current_sched_info before the sched_init
10147 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10149 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10151 (sh_fallback_frame_state): Likewise.
10153 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10155 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10156 Do switch on default_use_cxa_atexit.
10157 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10158 * config/darwin-crt3.o: New.
10159 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10160 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10161 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10163 * config/rs6000/t-darwin: Move crt2.o building to here.
10164 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10165 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10168 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10170 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10171 from '! xxx' to '!xxx' for coding-style conformance.
10172 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10173 (EXTRA_CONSTRAINT): Likewise.
10174 * config/vax/vax.md (four unnamed insns): Likewise.
10176 2006-03-15 Paul Brook <paul@codesourcery.com>
10178 * config/arm/arm.c (minipool_pad): New.
10179 (add_minipool_forward_ref): Include pool alignment padding in address
10181 (push_minipool_fix): Set minipool_pad.
10182 (minipool_pad): Ditto.
10184 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10186 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10187 instead of GET_CODE() == MEM and REG_P() instead of
10189 (print_operand_address): Likewise.
10190 (vax_address_cost): Likewise.
10191 (vax_rtx_costs): Likewise.
10192 (vax_notice_update_cc): Likewise.
10193 (vax_output_int_add): Likewise.
10194 (INDEX_REGISTER_P): Likewise.
10195 (BASE_REGISTER_P): Likewise.
10196 (nonindexed_address_p): Likewise.
10197 (vax_mode_dependent_address_p): Likewise.
10198 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10199 (PRINT_OPERAND): Likewise.
10200 * config/vax/vax.md (ashlsi3): Likewise.
10201 (ashlsi3): Likewise.
10202 (some more unnamed insns): Likewise.
10204 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10206 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10207 iterator-style macro.
10208 (mark_control_dependent_edges_necessary): Update the use of
10209 EXECUTE_IF_CONTROL_DEPENDENT.
10211 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10213 * config/sh/predicates.md (cache_address_operand): Special.
10214 (ua_address_operand): Likewise.
10216 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10218 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10220 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10222 2006-03-15 Andreas Schwab <schwab@suse.de>
10224 * gensupport.c (identify_predicable_attribute): Don't free p_false
10225 when it is still in use.
10227 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10229 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10230 the default setting here.
10232 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10234 * tree-pass.h (pass_cfg): Remove.
10235 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10236 * passes.c (pass_cfg): Don't run it.
10238 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10240 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10241 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10243 (stack_regs_mentioned): Update the uses of
10244 stack_regs_mentioned_data. Don't access the array beyond its
10246 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10247 Don't include gt-reg-stack.h.
10249 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10250 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10252 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10254 PR middle-end/26684
10255 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10258 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10260 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10262 2006-03-14 Richard Guenther <rguenther@suse.de>
10264 PR tree-optimization/26672
10265 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10268 2006-03-14 Richard Guenther <rguenther@suse.de>
10270 PR tree-optimization/26667
10271 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10272 node for the callees. Always allow inlining if it will shrink
10275 2006-03-14 Richard Guenther <rguenther@suse.de>
10277 PR middle-end/26659
10278 * builtins.c (get_pointer_alignment): Prefer alignment
10279 information from decls over that from types.
10281 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10284 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10286 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10288 * config/rs6000/rs6000.opt (mdlmzb): New option.
10289 (msched-prolog, msched-epilog): Use Var not Mask.
10290 * doc/invoke.texi (-mdlmzb): Document.
10291 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10293 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10294 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10296 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10298 PR rtl-optimization/25739
10299 * bt-load.c (augment_live_range): Free tos pointer.
10301 * gensupport.c (identify_predicable_attribute): Free
10303 * gcov.c (create_file_names): Free name pointer.
10305 2006-03-13 Roger Sayle <roger@eyesopen.com>
10307 PR middle-end/26557
10308 * stmt.c (emit_case_nodes): Handle the case where the index is a
10309 CONST_INT, where the comparison mode is specified by the index type.
10311 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10313 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10316 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10318 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10319 (*branch_fp_inverted): Likewise.
10321 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10323 PR middle-end/25989
10324 * omp-low.c (expand_omp_for_generic): Mark istart0
10325 and iend0 as addressable.
10327 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10329 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10331 2006-03-13 Jeff Law <law@redhat.com>
10333 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10334 virtual operands are interesting.
10335 (vrp_visit_stmt): Corresponding changes.
10337 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10339 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10341 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10342 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10343 * config/bfin/crti.S: Use it instead of __PIC__.
10344 * config/bfin/crtn.S: Likewise.
10346 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10347 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10349 Lose 'G' modifier for call operand.
10350 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10351 recognize 'G' modifier.
10353 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10355 PR middle-end/18859
10356 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10357 * stmt.c (expand_case): Likewise.
10359 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10361 PR rtl-optimization/26254
10362 * loop-invariant.c (seq_insns_valid_p): New function.
10363 (move_invariant_reg): Only emit new code if it is valid.
10365 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10367 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10369 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10370 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10371 (commit_one_edge_insertion): Do not look for loop notes.
10373 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10375 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10376 flag_test_coverage out of loop.
10378 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10380 * final.c (shorten_branches): Remove outdated comment, and turn
10381 the if branch that guards it to continue.
10383 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10385 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10386 * cfgloop.h (struct loop): Remove unused fields.
10388 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10390 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10391 (-dL, -fdump-rtl-loop2): Update the dump file names
10393 * doc/invoke.texi: Update dump file names.
10395 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10397 * predict.c (estimate_probability): Remove.
10398 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10399 * basic-block.h (estimate_probability): Remove prototype.
10400 * passes.c (finish_optimization_passes): Dump branch prediction or
10401 profiling heuristics to the .profile tree dump.
10402 (init_optimization_passes): Unqueue pass_branch_prob.
10404 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10406 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10408 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10409 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10411 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10413 * function.h (frame_offset_overflow): Declare.
10414 * function.c (frame_offset_overflow): New function.
10415 (assign_stack_local_1): Call it to detect that the offset overflows.
10416 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10418 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10420 * config/sh/sh.c: Include alloc-pool.h.
10421 (label_ref_list_pool): New alloc pool.
10422 (label_ref_list_t): New type for lists of labels.
10423 (struct pool_node): Make wend a label_ref_list_t.
10424 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10426 (dump_table): Likewise.
10427 (sh_reorg): Set up the alloc pool before using add_constant and
10428 dump_table, and destroy it when finishing.
10430 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10432 * config/mips/mips.c: Remove redundant comment.
10434 2006-03-10 Jason Merrill <jason@redhat.com>
10437 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10438 the target was declared 'register'.
10440 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10442 * genpreds.c (write_insn_constraint_len): Change definition of
10443 insn_constraint_len to return size_t to match the declaration.
10445 2006-03-10 DJ Delorie <dj@redhat.com>
10447 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10449 (m32c_expand_insv): Fix test for an AND mask.
10451 2006-03-10 Richard Guenther <rguenther@suse.de>
10453 PR middle-end/26565
10454 * builtins.c (get_pointer_alignment): Handle component
10455 references for field alignment.
10457 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10459 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10460 when building with libgloss.
10461 (sh*elf): Implement --without-fp option.
10462 (sh64-superh-linux*): Don't multilib.
10464 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10466 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10468 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10470 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10471 Set it when one of the replacement functions returned true.
10472 Return TODO_cleanup_cfg if cfgchanged is true.
10473 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10475 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10477 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10478 instead of gen_lowpart.
10480 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10482 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10484 (mips_output_order_conditional_branch): Declare.
10485 * config/mips/mips.h (MIPS_BRANCH): New macro.
10486 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10487 for the comparison. Use gen_condjump.
10488 (mips_output_conditional_branch): Rework interface to take the
10489 asm templates for a direct branch and the inverse of a direct branch.
10490 (mips_output_order_conditional_branch): New function.
10491 (mips_builtin_branch_and_move): New function.
10492 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10493 branch condition. Use gen_single_cc as the condition for
10494 __builtin_mips_upper_* or __builtin_mips_lower_*.
10495 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10496 Use VOIDmode for the branch condition.
10497 * config/mips/predicates.md (order_operator): New predicate.
10498 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10499 (branch_fp): Rename to...
10500 (*branch_fp): ...this. Remove mode from comparison operator.
10501 Use new mips_output_conditional_branch interface.
10502 (branch_fp_inverted): Rename to...
10503 (*branch_fp_inverted): ...this and update as for *branch_fp.
10504 (*branch_zero<mode>): Rename to...
10505 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10506 Use mips_output_order_conditional_branch. Only accept ordered
10508 (*branch_zero<mode>_inverted): Rename to...
10509 (*branch_order<mode>_inverted): ...this and update as for
10510 *branch_order<mode>.
10511 (*branch_equality<mode>): Accept zero as the second operand to
10512 the equality operator. Use the new mips_output_conditional_branch
10514 (*branch_equality<mode>_inverted): Likewise.
10515 (condjump): New expander.
10516 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10518 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10519 (bc1any2t, bc1any2f): Likewise.
10520 (single_cc): New expander.
10521 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10523 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10525 * doc/md.texi: Update documentation of MIPS constraints.
10526 * config/mips/constraints.md: New file.
10527 * config/mips/mips.md: Include it.
10528 * config/mips/mips.c (mips_char_to_class): Delete.
10529 (override_options): Don't initialize mips_char_to_class.
10530 * config/mips/mips.h (mips_char_to_class): Delete.
10531 (REG_CLASS_FROM_LETTER): Delete.
10532 (CONST_OK_FOR_LETTER_P): Delete.
10533 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10534 (EXTRA_CONSTRAINT_Y): Delete.
10535 (EXTRA_CONSTRAINT_STR): Delete.
10536 (CONSTRAINT_LEN): Delete.
10537 (EXTRA_MEMORY_CONSTRAINT): Delete.
10539 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10541 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10542 original fn's eh regions.
10544 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10546 * fold-const.c (build_range_check): Make sure to use a valid type to
10547 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10550 (range_predecessor): New static function.
10551 (range_successor): Likewise.
10552 (merge_ranges): Use them to compute predecessors and successors of
10555 2006-03-09 Roger Sayle <roger@eyesopen.com>
10557 PR middle-end/26561
10558 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10559 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10561 2006-03-08 DJ Delorie <dj@redhat.com>
10563 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10564 (addpsi3): Expand to include memory operands. Remove
10565 reload-specific splits.
10566 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10567 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10568 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10569 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10570 (shift1_qi, shift1_hi, insv): New.
10571 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10572 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10573 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10575 * config/m32c/m32c-protos.h: Update as needed.
10576 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10577 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10578 Fail for unrecognized R* constraints.
10579 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10580 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10581 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10583 (m32c_init_libfuncs): New.
10584 (m32c_legitimate_address_p): Add debug wrapper.
10585 (m32c_rtx_costs): New.
10586 (m32c_address_cost): New.
10587 (conversions): Add 'B' prefix.
10588 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10589 operands, or word regnames for QI operands. 'B' prints bit
10591 (m32c_expand_setmemhi): New.
10592 (m32c_expand_movmemhi): New.
10593 (m32c_expand_movstr): New.
10594 (m32c_expand_cmpstr): New.
10595 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10596 (m32c_expand_neg_mulpsi3): Handle non-ints.
10597 (m32c_cmp_flg_0): New.
10598 (m32c_expand_movcc): New.
10599 (m32c_expand_insv): New.
10600 (m32c_scc_pattern): New.
10601 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10602 a0/a1 out of SIregs.
10603 (STORE_FLAG_VALUE): New.
10604 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10607 * config/m32c/mov.md: Make constraints more liberal.
10608 (zero_extendqihi2): Optimize r0/r1 case.
10609 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10610 * config/m32c/predicates.md (m32c_any_operand): New.
10611 (m32c_nonimmediate_operand): New.
10612 (m32c_hl_operand): New.
10613 (m32c_r3_operand): New.
10616 (memsym_operand): New.
10617 (memimmed_operand): New.
10618 (a_qi_operand): New.
10619 (m32c_eqne_operator): New.
10620 (m32c_1bit8_operand): New.
10621 (m32c_1bit16_operand): New.
10622 (m32c_1mask8_operand): New.
10623 (m32c_1mask16_operand): New.
10624 * config/m32c/blkmov.md: New file.
10625 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10627 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10629 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10630 unsigned to fix signed/unsigned comparison issue in
10631 DWARF2_FRAME_REG_OUT.
10632 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10633 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10635 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10636 of ptr into the ENABLE_CHECKING section.
10638 2006-03-08 Jeff Law <law@redhat.com>
10640 * tree-vrp.c (infer_value_range): Only count pointer uses
10641 and dereferences if -fdelete-null-pointer-checks is enabled.
10643 * tree-vrp.c (find_assert_locations): Infer value ranges for
10644 single use pointers, but do not create ASSERT_EXPRs for them.
10645 When a non-null range is inferred for a pointer, backwards
10646 propagate that range to other equivalent pointers through the
10649 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10652 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10653 language hook targets.
10654 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10655 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10656 if language hook targets were missing.
10658 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10660 * tree-ssa-opfinalize.h: Removed.
10661 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10663 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10664 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10665 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10666 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10667 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10668 finalize_ssa_v_must_def_ops): New.
10670 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10672 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10673 block as parameter.
10675 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10677 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10679 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10680 addresses with offsets; reorganize.
10682 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10683 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10684 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10686 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10689 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10691 2006-03-08 Ben Elliston <bje@au.ibm.com>
10693 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10695 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10698 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10701 2006-03-07 Richard Guenther <rguenther@suse.de>
10703 PR tree-optimization/26587
10704 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10706 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10708 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10710 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10712 * hooks.c (hook_bool_mode_rtx_true): New function.
10713 * hooks.h (hook_bool_mode_rtx_true): Declare.
10714 * toplev.c (compile_file): Call output_shared_constant_pool.
10715 * varasm.c (shared_constant_pool): New variable.
10716 (assemble_start_function, assemble_end_function): Remove arguments
10717 from call to output_constant_pool.
10718 (create_constant_pool): New function, split out from...
10719 (init_varasm_status): ...here.
10720 (force_const_mem): Choose between the shared and per-function constant
10721 pools. Set current_function_uses_const_pool when reusing old entries
10722 as well as when creating new ones.
10723 (mark_constant): Ignore data argument.
10724 (mark_constants): Remove pool argument.
10725 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10726 to decide whether the function uses a constant pool.
10727 (output_constant_pool_contents): New function, split out from...
10728 (output_constant_pool): ...here.
10729 (output_shared_constant_pool): New function.
10730 (init_varasm_once): Initialize shared_constant_pool.
10731 * output.h (output_constant_pool): Delete.
10732 (output_shared_constant_pool): Declare.
10733 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10734 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10736 2006-03-06 Nick Clifton <nickc@redhat.com>
10738 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10739 flag_strength_reduce.
10741 2006-03-06 Ben Elliston <bje@au.ibm.com>
10743 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10744 x86_64-*-linux* configurations.
10746 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10747 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10749 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10751 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10753 * basic-block.h: Remove the extern for
10754 rediscover_loops_after_threading.
10756 * cfgloop.c (cancel_loop): Make it static.
10757 * cfgloop.h: Remove the prototype for cancel_loop.
10759 * flow.c (recompute_reg_usage): Make it static.
10760 * rtl.h: Remove the prototype for recompute_reg_usage.
10762 * function.c (use_return_register): Make it static.
10763 * function.h: Remove the prototype.
10765 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10767 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10769 * recog.h: Remove the prototype for
10770 validate_change_maybe_volatile.
10772 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10774 * rtlanal.c (replace_reg): Remove.
10775 * rtl.h: Remove the prototype for replace_reg.
10777 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10779 * regclass.c (reg_scan_update): Remove.
10780 (reg_scan_mark_refs): Remove the last argument.
10781 * rtl.h: Remove the prototype for reg_scan_update.
10783 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10785 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10786 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10787 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10788 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10789 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10790 loop-invariant.c, omp-low.c, opts.c, passes.c,
10791 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10792 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10793 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10794 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10795 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10796 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10798 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10800 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10801 * dwarf2out.h: Remove the prototype for
10802 dwarf2out_add_library_unit_info.
10804 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10806 * tree.c (add_var_to_bind_expr): Remove.
10807 * tree.h: Remove the prototype for add_var_to_bind_expr.
10809 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10811 * regclass.c (n_non_fixed_regs): Remove.
10812 (init_reg_sets_1, globalize_reg): Remove all uses of
10814 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10816 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10818 * rtlanal.c (insns_safe_to_move_p): Remove.
10819 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10821 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10823 * expmed.c (expand_mult_add): Remove.
10824 * expr.h: Remove the prototype for expand_mult_add.
10826 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10828 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10829 and REG_SAVED_VAL_EXP constants.
10830 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10831 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10832 Handle regs stored by value.
10833 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10834 (execute_cfa_program): Handle DW_CFA_val_offset,
10835 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10836 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10837 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10838 (uw_install_context_1): Handle target regs stored by value.
10840 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10842 * tree-sra.c (tree_sra): Return todoflags;
10843 (generate_one_element): Set TODO_update_smt_usage if needed.
10844 (pass_sra): Remove TODO_update_smt_usage.
10845 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10847 (tree_ssa_forward_propagate_single_use_vars): Return
10848 TODO_update_smt_usage if we need to update SMT usage.
10849 (pass_forwprop): Remove TODO_update_smt_usage.
10851 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10853 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10854 (correct_use_link): Remove reference to get_stmt_operands.
10855 (update_stmt_operands): Likewise.
10856 (get_modify_expr_operands): New function factored out of
10857 parse_ssa_operands and get_expr_operands.
10858 Try to create V_MUST_DEFs for LHS by default.
10859 (get_expr_operands) <case MODIFY_EXPR>: Call
10860 get_modify_expr_operands.
10861 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10862 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10863 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10864 get_modify_expr_operands.
10866 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10868 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10869 * tree-flow.h: Remove the prototype for
10870 referenced_var_lookup_if_exists.
10872 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10874 PR rtl-optimization/26345
10876 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10878 2006-03-03 Roger Sayle <roger@eyesopen.com>
10880 PR tree-optimization/26524
10881 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10882 fold_convert to create a constant of the appropriate type.
10884 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10886 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10887 SYMBOL_REF_IN_BLOCK_P.
10888 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10889 of SYMBOL_FLAG_IN_BLOCK.
10890 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10891 instead of SYMBOL_REF_IN_BLOCK_P.
10892 * explow.c (use_anchored_address): Likewise.
10893 * rtl.c (rtx_size): Likewise.
10894 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10895 instead of SYMBOL_FLAG_IN_BLOCK.
10896 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10897 SYMBOL_REF_IN_BLOCK_P.
10898 (assemble_variable): Likewise.
10899 (output_constant_def_contents): Likewise.
10900 (output_constant_pool): Likewise.
10901 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10902 instead of SYMBOL_FLAG_IN_BLOCK.
10903 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10904 SYMBOL_REF_IN_BLOCK_P.
10905 (SYMBOL_REF_BLOCK): Likewise.
10906 (SYMBOL_REF_OFFSET): Likewise.
10907 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10908 SYMBOL_REF_IN_BLOCK_P.
10909 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10910 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10911 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10912 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10914 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10916 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10918 2006-03-02 Roger Sayle <roger@eyesopen.com>
10920 * simplify-rtx.c (simplify_unary_operation): When simplifying
10921 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10922 that we perform the right shift in the appropriate mode, and
10923 then extend or truncate the result to requested mode.
10925 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10927 * gengtype.c (main): Handle double_int type.
10928 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10929 * double-int.c: New file.
10930 * double-int.h: New file.
10931 * system.h: Include doubleint.h.
10932 * Makefile.in (SYSTEM_H): Include double-int.h.
10933 (double-int.o): Add.
10935 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10938 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10941 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10943 * tree-vrp.c (remove_range_assertions): Do not update statements
10946 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10948 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10950 * gcse.c (rest_of_handle_gcse): Ditto.
10951 * except.c (gate_handle_eh): Ditto.
10952 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10953 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10955 2006-03-02 Eric Christopher <echristo@apple.com>
10957 * config/i386/i386.c (machopic_output_stub): Add indirection to
10960 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10964 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10966 Sun Niagara specific optimizations.
10967 * config.gcc: Recognize niagara as target.
10968 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10969 (TARGET_CPU_niagara): Define.
10970 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10971 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10972 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10973 (ASM_CPU_SPEC): Likewise.
10974 (PROCESSOR_NIAGARA): New enum entry.
10975 (REGISTER_MOVE_COST): Handle Niagara.
10976 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10977 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10978 (sparc_override_options): Recognize "niagara", set appropriate
10979 default MASK_* values for it, and align functions to 32-bytes
10980 by default just like ULTRASPARC/ULTRASPARC3.
10981 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10982 (sparc64_initialize_trampoline): Likewise.
10983 (sparc_use_sched_lookahead): Use zero for niagara.
10984 (sparc_issue_rate): Use one for niagara.
10985 * config/sparc/niagara.md: New file.
10986 * config/sparc/sparc.md: Include it.
10987 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10988 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10989 when default cpu is niagara.
10990 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10991 (ASM_CPU_SPEC): Likewise.
10992 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10993 when default cpu is niagara.
10994 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10995 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10996 just like v9/ultrasparc/ultrasparc3.
10997 * doc/invoke.texi: Add documentation for "niagara" and improve
10998 existing documentation for ultrasparc variants.
11000 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11002 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11004 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11006 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11007 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11008 and say that only one is needed.
11009 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11010 * target.h (have_switchable_bss_sections): New hook.
11011 * explow.c (use_anchored_address): Check that the symbol is in a block.
11012 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11013 (bss_noswitch_section): New variables.
11014 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11015 (get_noswitch_section): New function.
11016 (get_block_for_section): Allow SECT to be null.
11017 (unlikely_text_section_p): Use SECTION_STYLE.
11018 (bss_initializer_p): New function.
11019 (get_variable_section): Move earlier in file. Take a new argument,
11020 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11021 Return one of the new *_sections in such cases.
11022 (get_block_for_decl): New function, extracting some logic from
11023 use_blocks_for_decl_p.
11024 (change_symbol_section): Remove in favor of...
11025 (change_symbol_block): ...this new function.
11026 (use_blocks_for_decl_p): Remove checks now performed by
11027 get_block_for_decl.
11028 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11029 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11030 (emit_local, emit_bss, emit_common): ...these new functions.
11031 Return true if the alignment was honored.
11032 (emit_tls_common): New function.
11033 (asm_emit_uninitialised): Delete.
11034 (assemble_variable_noswitch): New function, split out from...
11035 (assemble_variable): ...here. Don't make decisions about common
11036 variables here. Globalize all public decls that go into non-common
11037 sections. Check whether SYMBOL_REF_BLOCK is null.
11038 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11039 (output_constant_pool): Likewise.
11040 (init_varasm_once): Initialize the new section variables.
11041 (have_global_bss_p): New function.
11042 (categorize_decl_for_section): Use bss_initializer_p.
11043 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11044 (place_block_symbol): Assert that the symbol must be in a block.
11045 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11046 (TARGET_INITIALIZER): Include it.
11047 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11048 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11049 (SECTION_MACH_DEP): Bump by two.
11050 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11051 (unnamed_section): Mention SECTION_UNNAMED in comment.
11052 (named_section): Likewise SECTION_NAMED.
11053 (noswitch_section_callback): New type.
11054 (noswitch_section): New structure.
11055 (section): Add a noswitch_section alternative.
11056 (SECTION_STYLE): New macro.
11057 (tls_comm_section, comm_section, lcomm_section): Declare.
11058 (bss_noswitch_section, have_global_bss_p): Declare.
11059 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11060 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11062 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11063 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11066 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11068 * tree-vrp.c (execute_vrp): Return value.
11069 * regrename.c (rest_of_handle_regrename): Ditto.
11070 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11071 * tree-complex.c (tree_lower_complex): Ditto.
11072 (tree_lower_complex_O0): Ditto.
11073 * tracer.c (rest_of_handle_tracer): Ditto.
11074 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11075 * postreload.c (rest_of_handle_postreload): Ditto.
11076 * tree-tailcall.c (execute_tail_recursion): Ditto.
11077 (execute_tail_calls): Ditto.
11078 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11079 * tree.h (init_function_for_compilation): Ditto.
11080 * ipa-cp.c (ipcp_driver): Ditto.
11081 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11082 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11083 * final.c (compute_alignments): Ditto.
11084 (rest_of_handle_final): Ditto.
11085 (rest_of_handle_shorten_branches): Ditto.
11086 (rest_of_clean_state): Ditto.
11087 * omp-low.c (execute_expand_omp): Ditto.
11088 (execute_lower_omp): Ditto.
11089 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11090 * ipa-reference.c (static_execute): Ditto.
11091 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11092 * reorg.c (rest_of_handle_delay_slots): Ditto.
11093 (rest_of_handle_machine_reorg): Ditto.
11094 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11095 * flow.c (recompute_reg_usage): Ditto.
11096 (rest_of_handle_remove_death_notes): Ditto.
11097 (rest_of_handle_life): Ditto.
11098 (rest_of_handle_flow2): Ditto.
11099 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11100 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11101 (do_ssa_store_ccp): Ditto.
11102 (execute_fold_all_builtins): Ditto.
11103 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11104 * modulo-sched.c (rest_of_handle_sms): Ditto.
11105 * ipa-pure-const.c (static_execute): Ditto.
11106 * cse.c (rest_of_handle_cse): Ditto.
11107 (rest_of_handle_cse2): Ditto.
11108 * web.c (rest_of_handle_web): Ditto.
11109 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11110 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11111 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11112 * tree-nrv.c (tree_nrv): Ditto.
11113 (execute_return_slot_opt): Ditto.
11114 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11115 (create_structure_vars): Ditto.
11116 * loop-init.c (rtl_loop_init): Ditto.
11117 (rtl_loop_done): Ditto.
11118 (rtl_move_loop_invariants): Ditto.
11119 (rtl_unswitch): Ditto.
11120 (rtl_unroll_and_peel_loops): Ditto.
11121 (rtl_doloop): Ditto.
11122 * gimple-low.c (lower_function_body): Ditto.
11123 (mark_used_blocks): Ditto.
11124 * tree-ssa-sink.c (execute_sink_code): Ditto.
11125 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11126 (cgraph_early_inlining): Ditto.
11127 * global.c (rest_of_handle_global_alloc): Ditto.
11128 * jump.c (cleanup_barriers): Ditto.
11129 (purge_line_number_notes): Ditto.
11130 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11131 (rest_of_handle_if_after_reload): Ditto.
11132 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11133 (tree_ssa_loop_im): Ditto.
11134 (tree_ssa_loop_unswitch): Ditto.
11135 (tree_vectorize): Ditto.
11136 (tree_linear_transform): Ditto.
11137 (tree_ssa_loop_ivcanon): Ditto.
11138 (tree_ssa_empty_loop): Ditto.
11139 (tree_ssa_loop_bounds): Ditto.
11140 (tree_complete_unroll): Ditto.
11141 (tree_ssa_loop_prefetch): Ditto.
11142 (tree_ssa_loop_ivopts): Ditto.
11143 (tree_ssa_loop_done): Ditto.
11144 * predict.c (tree_estimate_probability): Ditto.
11145 * recog.c (split_all_insns_noflow): Ditto.
11146 (rest_of_handle_peephole2): Ditto.
11147 (rest_of_handle_split_all_insns): Ditto.
11148 * tree-eh.c (lower_eh_constructs): Ditto.
11149 * regmove.c (rest_of_handle_regmove): Ditto.
11150 (rest_of_handle_stack_adjustments): Ditto.
11151 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11152 * function.c (instantiate_virtual_regs): Ditto.
11153 (init_function_for_compilation): Ditto.
11154 (rest_of_handle_check_leaf_regs): Ditto.
11155 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11156 (rest_of_handle_gcse): Ditto.
11157 * ipa-type-escape.c (type_escape_execute): Ditto.
11158 * alias.c (rest_of_handle_cfg): Ditto.
11159 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11160 * profile.c (rest_of_handle_branch_prob): Ditto.
11161 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11162 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11163 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11164 * tree-dfa.c (find_referenced_vars): Ditto.
11165 * except.c (set_nothrow_function_flags): Ditto.
11166 (convert_to_eh_region_ranges): Ditto.
11167 (rest_of_handle_eh): Ditto.
11168 * emit-rtl.c (unshare_all_rtl): Ditto.
11169 (remove_unnecessary_notes): Ditto.
11170 * except.h (set_nothrow_function_flags): Ditto.
11171 (convert_to_eh_region_ranges): Ditto.
11172 * cfgexpand.c (tree_expand_cfg): Ditto.
11173 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11174 * tree-ssa-pre.c (do_pre): Ditto.
11175 (execute_fre): Ditto.
11176 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11177 (rest_of_handle_jump2): Ditto.
11178 * tree-sra.c (tree_sra): Ditto.
11179 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11180 (execute_mudflap_function_decls): Ditto.
11181 * tree-ssa-copy.c (do_copy_prop): Ditto.
11182 (do_store_copy_prop): Ditto.
11183 * ipa-prop.h (ipcp_driver): Ditto.
11184 * cfglayout.c (insn_locators_initialize): Ditto.
11185 * tree-ssa-forwprop.c
11186 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11187 * cfglayout.h (insn_locators_initialize): Ditto.
11188 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11189 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11190 (execute_late_warn_uninitialized): Ditto.
11191 * rtl.h (cleanup_barriers): Ditto.
11192 (split_all_insns_noflow): Ditto.
11193 (purge_line_number_notes): Ditto.
11194 (unshare_all_rtl): Ditto.
11195 (remove_unnecessary_notes): Ditto.
11196 (recompute_reg_usage): Ditto.
11197 (variable_tracking_main): Ditto.
11198 * integrate.c (emit_initial_value_sets): Ditto.
11199 * integrate.h (emit_initial_value_sets): Ditto.
11200 * tree-optimize.c (execute_free_datastructures): Ditto
11201 (execute_free_cfg_annotations): Ditto.
11202 (execute_fixup_cfg): Ditto.
11203 (execute_cleanup_cfg_pre_ipa): Ditto.
11204 (execute_cleanup_cfg_post_optimizing): Ditto.
11205 (execute_init_datastructures): Ditto.
11206 * tree-object-size.c (compute_object_sizes): Ditto.
11207 * combine.c (rest_of_handle_combine): Ditto.
11208 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11209 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11210 (rest_of_handle_reorder_blocks): Ditto.
11211 (rest_of_handle_partition_blocks): Ditto.
11212 * var-tracking.c (variable_tracking_main): Ditto.
11213 * tree-profile.c (tree_profiling): Ditto.
11214 * tree-vect-generic.c (expand_vector_operations): Ditto.
11215 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11216 * sched-rgn.c (rest_of_handle_sched): Ditto.
11217 (rest_of_handle_sched2): Ditto.
11218 * basic-block.h (free_bb_insn): Ditto.
11219 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11220 * tree-cfg.c (execute_build_cfg): Ditto.
11221 (remove_useless_stmts): Ditto.
11222 (split_critical_edges): Ditto.
11223 (execute_warn_function_return): Ditto.
11224 (execute_warn_function_noreturn): Ditto.
11225 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11226 * cfgrtl.c (free_bb_for_insn): Ditto.
11227 * passes.c (execute_one_pass): Run additional
11228 todos returned by execute function.
11229 * tree-pass.h (struct tree_opt_pass): Make execute
11232 2006-03-02 Richard Guenther <rguenther@suse.de>
11234 * tree-ssa-alias.c (find_used_portions): Consider taking
11235 the address as making the variable not write-only.
11237 2006-03-02 Nick Clifton <nickc@redhat.com>
11239 * config.gcc (default_use_cxa_atexit): Extend the description of
11240 this configure variable. Set its default value to "yes" for
11241 Linux, NetBSD and ELF targets on the assumption that they will
11242 use C libraries with the __cxa_atexit function.
11244 2006-03-02 Ben Elliston <bje@au.ibm.com>
11246 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11247 parameter as unused to suppress a build warning.
11249 2006-03-02 Ben Elliston <bje@au.ibm.com>
11251 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11254 2006-03-01 Roger Sayle <roger@eyesopen.com>
11257 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11258 declared name, the weak reference name, and the typeof name.
11259 (__gthrw): Avoid expanding the declared name suffix.
11260 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11262 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11264 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11266 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11267 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11268 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11269 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11270 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11271 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11272 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11273 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11274 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11275 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11276 (DW_END_default, DW_END_big, DW_END_little): New.
11277 (DW_END_lo_user, DW_END_hi_user): Define.
11278 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11279 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11280 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11283 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11285 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11287 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11289 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11291 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11293 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11294 to 'symbol_mem_tag'.
11296 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11299 2006-03-01 Roger Sayle <roger@eyesopen.com>
11301 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11303 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11306 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11307 MACHO_DYNAMIC_NO_PIC_P.
11308 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11310 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11313 * config/darwin-protos.h (darwin_asm_output_anchor):
11315 * config/darwin-sections.def (cstring_section):
11316 Add SECTION_MERGE to the flags.
11317 (literal4_section): Likewise.
11318 (literal8_section): Likewise.
11319 (objc_selector_refs_section): Likewise.
11320 (objc_cls_refs_section): Likewise.
11321 * config/darwin.c (darwin_asm_output_anchor): New
11323 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11325 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11327 Fix PR tree-optimization/26443
11328 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11329 to todo and PROP_tmt_usage to properties_destroyed.
11330 * tree-ssa-ccp.c (pass_ccp): Ditto.
11331 (pass_store_ccp): Ditto.
11332 * tree-ssa-dom.c (pass_dominator): Ditto.
11334 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11336 * tree-ssa-operands.c: Cleanup whitespace.
11337 (get_asm_expr_operands): Move before first invocation.
11338 (get_indirect_ref_operands): Likewise.
11339 (get_tmr_operands): Likewise.
11340 (get_call_expr_operands): Likewise.
11341 (append_def): Likewise.
11342 (append_use): Likewise.
11343 (append_v_may_def): Likewise.
11344 (append_v_must_def): Likewise.
11345 (add_call_clobber_ops): Likewise.
11346 (add_call_read_ops): Likewise.
11347 (add_stmt_operand): Likewise.
11348 (add_virtual_operand): Likewise.
11349 (build_ssa_operands): Likewise.
11351 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11353 PR middle-end/26022
11355 PR middle-end/24437
11356 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11357 with a call expr to ...
11358 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11360 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11362 * tree-vrp.c (extract_range_from_assert): Remove special
11363 handling for types with super-types.
11365 2006-03-01 Ben Elliston <bje@au.ibm.com>
11367 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11368 and powerpc64-*-linux* configurations.
11369 * config/t-dfprules: New file.
11371 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11372 Compile dfp-bit.c from the source directory using -DWIDTH and
11373 $DFP_CFLAGS to control the compilation of that file, rather than
11374 generating width-specific versions in the build directory.
11375 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11376 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11378 2006-02-28 Zack Weinberg <zackw@panix.com>
11380 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11383 2006-02-28 Eric Christopher <echristo@apple.com>
11385 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11386 Set up IN_LIBGCC definition of TARGET_64BIT.
11387 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11389 2006-02-28 Roger Sayle <roger@eyesopen.com>
11391 PR middle-end/14752
11392 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11393 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11394 cases via the construction of "expr != 0".
11396 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11398 * alias.c (alias_invariant, alias_invariant_size): Remove.
11399 (record_base_value): Remove.
11400 (memrefs_conflict_p): Don't look at alias_invariant.
11401 (end_alias_analysis): Don't free it.
11402 * alias.h (record_base_value): Remove prototype.
11404 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11405 Adam Nemet <anemet@caviumnetworks.com>
11407 * rtl.h (truncated_to_mode): Declare it.
11408 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11409 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11410 (RTL_HOOKS_INITIALIZER): Include it.
11411 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11412 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11413 reg_truncated_to_mode.
11414 * rtlanal.c (truncated_to_mode): Define it.
11415 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11417 2006-02-28 Jeff Law <law@redhat.com>
11419 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11420 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11421 the range allowed by TYPE_PRECISION.
11423 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11425 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11427 PR tree-optimization/26419
11428 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11431 2006-02-27 Zack Weinberg <zackw@panix.com>
11433 * doc/md.texi: Fix typo in previous change.
11435 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11439 2006-02-27 Zack Weinberg <zackw@panix.com>
11441 * rtl.def (define_constraint, define_register_constraint)
11442 (define_memory_constraint, define_address_constraint): New MD forms.
11443 * gensupport.c (process_rtx): Put define_constraint etc on the
11445 * genpreds.c (process_define_predicate): Adjust comment. Validate
11446 the name, and call validate_exp to validate the expression.
11447 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11448 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11449 all callers changed.
11450 (validate_exp, needs_variable, struct constraint_data)
11451 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11452 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11453 (const_dbl_constraints, constraint_max_namelen)
11454 (have_register_constraints, have_memory_constraints)
11455 (have_address_constraints, have_address_constraints)
11456 (have_extra_constraints, have_const_int_constraints)
11457 (have_const_dbl_constraints, mangle, add_constraint)
11458 (process_define_constraint, process_define_register_constraint)
11459 (write_enum_constraint_num, write_lookup_constraint)
11460 (write_insn_constraint_len, write_regclass_for_constraint)
11461 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11462 (write_insn_extra_memory_constraint)
11463 (write_insn_extra_address_constraint)
11464 (write_satisfies_constraint_fns): New.
11465 (write_tm_preds_h): If we have new-style constraint definitions,
11466 prototype the functions generated from them, and define the
11467 old constraint interface (still used by generic code) in terms of
11469 (write_insn_preds_c): If we have new-style constraint definitions,
11470 generate all relevant functions from those definitions.
11471 (main): Handle define_constraint etc.
11472 * genoutput.c (struct constraint_data, indep_constraints)
11473 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11474 (mdep_constraint_len): New data structures and functions, defined
11475 #ifdef USE_MD_CONSTRAINTS.
11476 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11477 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11478 use new logic to validate operand constraints against constraint
11480 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11482 * defaults.h: If none of the old-style constraint macros are
11483 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11484 old-style macros; and poison REG_CLASS_FROM_LETTER,
11485 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11487 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11488 * doc/md.texi: Document new constraint-definition mechanism and the
11489 C interface it provides. Remove references to old mechanism
11490 elsewhere in the document.
11491 (Machine Constraints): Use pathnames relative to gcc directory,
11492 i.e. config/ARCH/FILE. Change i386 section to refer to
11493 config/i386/predicates.md; update that section to match docstrings.
11494 * doc/tm.texi: Move all documentation of the old constraint-
11495 definition macros to their own section, clearly mark as obsolete.
11497 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11498 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11500 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11501 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11502 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11503 constraint strings.
11504 (splits and peepholes): Use satisfies_constraint_*.
11505 * config/i386/i386.c (memory_address_length)
11506 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11508 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11510 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11511 scalar operation to be put back into the loop.
11513 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11516 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11517 (extract_cie_info): Handle S flag in augmentation string.
11518 (execute_cfa_program): If context->signal_frame, execute also
11519 fs->pc == context->ra instructions.
11520 (uw_frame_state_for): If context->signal_frame, don't subtract one
11521 from context->ra to find FDE.
11522 (uw_update_context_1): Set context->signal_frame to
11524 (_Unwind_GetIPInfo): New function.
11525 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11526 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11528 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11529 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11530 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11531 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11532 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11533 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11534 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11535 x86_64_fallback_frame_state): Set fs->signal_frame.
11536 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11537 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11538 (frob_update_context): Likewise. Workaround missing S flag in
11539 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11540 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11541 Remove the psw_addr + 1 hack.
11543 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11545 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11546 with aggregates here.
11547 (find_func_aliases): Remove code for &<aggregate> from here.
11549 2006-02-26 Roger Sayle <roger@eyesopen.com>
11551 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11552 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11553 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11554 as (X & C) ne/eq 0.
11556 2006-02-26 Roger Sayle <roger@eyesopen.com>
11558 PR middle-end/19983
11559 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11561 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11563 * opts.c (decode_options): Do not handle flag_strength_reduce.
11564 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11565 and OPT_fstrength_reduce.
11566 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11567 flag_prefetch_loop_arrays for being nonzero.
11568 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11570 (fprefetch-loop-arrays-rtl): Removed.
11571 (flag_prefetch_loop_arrays): Do not specify the value.
11573 * doc/passes.texi: Update documentation of loop optimizer
11575 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11576 -frerun-loop-opt): Remove.
11578 2006-02-26 Richard Guenther <rguenther@suse.de>
11580 PR tree-optimization/26421
11581 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11582 in function calls that are ADDR_EXPRs as using the whole structure.
11584 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11586 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11587 * tree-pass.h (pass_loop_optimize): Remove.
11588 * passes.c (pass_loop_optimize): Never run it.
11589 * toplev.c (backend_init): Don't call init_loop.
11590 * opts.c (flag_loop_optimize_set): Remove.
11591 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11592 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11593 the old RTL loop optimizer when profiling enabled.
11594 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11595 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11596 pre-headers for the sake of the old RTL loop optimizer.
11597 * Makefile.in: Remove all references to loop.o.
11599 * doc/invoke.texi: Remove all references to -floop-optimize
11600 and -frerun-loop-opt.
11602 2006-02-26 Zack Weinberg <zackw@panix.com>
11604 * doc/md.texi (Machine Constraints): Refer to all files with paths
11605 relative to gcc directory (i.e. config/CPU/file). Add missing
11606 @table @code ... @end table to M32C subsection.
11608 2006-02-26 Roger Sayle <roger@eyesopen.com>
11610 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11612 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11614 2006-02-26 Roger Sayle <roger@eyesopen.com>
11615 James A. Morrison <phython@gcc.gnu.org>
11617 PR middle-end/21137
11618 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11619 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11620 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11621 signedness of the shift operation.
11623 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11625 PR tree-optimization/26359
11626 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11628 2006-02-25 Roger Sayle <roger@eyesopen.com>
11630 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11631 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11632 as X == 0, and some symmetry related transformations.
11633 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11635 2006-02-25 Roger Sayle <roger@eyesopen.com>
11637 PR middle-end/23673
11638 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11639 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11640 symmetry related transformations. Fold (X^C1) == C2 as
11643 2006-02-25 Juergen Weigert <jw@suse.de>
11644 Richard Guenther <rguenther@suse.de>
11646 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11648 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11650 * combine.c (gen_lowpart_or_truncate): Call
11651 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11653 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11655 * doc/invoke.texi: Move -fopenmp description to "Options for
11657 Remove reference to -lgomp.
11659 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11661 * doc/install.texi: Require GNU tar version 1.14.
11663 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11665 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11666 * doc/invoke.texi (C++ Dialect Options): Document
11667 -fno-use-cxa-get-exception-ptr.
11668 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11669 * configure: Regenerate.
11670 * c.opt (fuse-cxa-get-exception-ptr): New.
11671 * c-opts.c (c_common_handle_option): Handle
11672 OPT_fuse_cxa_get_exception_ptr.
11673 * c-common.c (flag_use_cxa_atexit): Update documentation.
11674 (flag_use_cxa_get_exception_ptr): New.
11675 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11676 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11678 (C_COMMON_OVERRIDE_OPTIONS): New.
11680 2006-02-24 Roger Sayle <roger@eyesopen.com>
11682 PR middle-end/24952
11683 * combine.c (try_combine): Explicitly check whether GET_CODE is
11684 a SET or a CLOBBER, instead on checking that it isn't a USE.
11686 2006-02-24 Roger Sayle <roger@eyesopen.com>
11688 * fold-const.c (fold_comparison): New subroutine of fold_binary
11689 containing transformations common to both the equality and
11690 ordering relational operators, factored out of fold_binary.
11691 (fold_binary): Separate out the equality operators (EQ_EXPR
11692 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11693 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11694 transformations common to both.
11695 (fold_div_compare): Fix latent bugs in the previously unreachable
11696 LT_EXPR and GE_EXPR cases.
11698 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11700 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11701 decl libname for clog to __clog on AIX.
11703 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11705 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11708 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11709 output traceback table for thunks. Localise rs6000_stack_info call.
11711 2006-02-23 Roger Sayle <roger@eyesopen.com>
11712 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11714 * gthr-posix.h (__gthrw): Fix typo in comment.
11716 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11718 * doc/cpp.texi (Character sets): Document that we do support
11719 input files to be in any character set.
11721 2006-02-23 Jeff Law <law@redhat.com>
11723 * tree.h (PHI_ARG_NONZERO): Remove.
11724 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11725 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11726 node to the new node.
11728 PR tree-optimization/26425
11729 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11730 min/max, then assume its varying.
11732 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11734 PR rtl-optimization/26316
11735 * rtlanal.c (enum may_trap_p_flags): New.
11736 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11737 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11738 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11739 (may_trap_after_code_motion_p): New function.
11740 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11741 (find_invariant_insn): Use may_trap_after_code_motion_p.
11742 * rtl.h (may_trap_after_code_motion_p): Declare.
11744 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11746 * emit-rtl.c (immed_double_const): Cleanup.
11748 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11750 Fix PR tree-optimization/26376
11751 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11754 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11756 PR middle-end/26412
11757 * gimplify.c (omp_add_variable): Guard variable size decl test with
11758 DECL_SIZE (decl) check.
11760 2006-02-23 Richard Guenther <rguenther@suse.de>
11762 PR middle-end/26439
11763 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11764 like aggregate types.
11766 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11768 * configure.ac: Add --with{,out}-long-double-128 configure option.
11769 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11770 * configure: Rebuilt.
11771 * config.in: Rebuilt.
11772 * doc/install.texi (Options specification): Document
11773 --with-long-double-128.
11775 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11776 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11777 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11778 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11780 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11782 * config/s390/s390.c (override_options): Handle
11783 TARGET_DEFAULT_LONG_DOUBLE_128.
11785 * config/alpha/alpha.c (override_options): Handle
11786 TARGET_DEFAULT_LONG_DOUBLE_128.
11788 * config/sparc/sparc.c (sparc_override_options): Handle
11789 TARGET_DEFAULT_LONG_DOUBLE_128.
11791 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11793 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11794 (real-install-headers-tar, real-install-headers-cpio)
11795 (real-install-headers-cp): New targets.
11797 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11799 * tree.h (variable_section): Delete.
11800 * varasm.c (variable_section): Delete.
11802 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11804 * install.texi: Add notes on install.texi2html.
11805 (Building in parallel): Do not use footnotes.
11807 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11810 * doc/install.texi (Configuration): Document --disable-libgomp.
11812 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11814 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11816 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11818 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11819 (vec_extractv2df_0_sse): New.
11821 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11823 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11824 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11825 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11826 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11827 to the result of the expression.
11828 (def_cfa_1): Adjust.
11829 (frame_pointer_cfa_offset): Rename to...
11830 (frame_pointer_fb_offset): ... this. Adjust all uses.
11831 (convert_cfa_to_loc_list): Rename to...
11832 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11833 Pass it on to build_cfa_loc.
11834 (compute_frame_pointer_to_cfa_displacement): Rename to...
11835 (compute_frame_pointer_to_fb_displacement): ... this. New
11836 offset parameter. Use it in computation.
11837 (gen_subprogram_die): Compute cfa_fb_offset with the new
11838 macro, and use it to compute the fb loc list and the
11841 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11843 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11844 replaced with register_operand.
11845 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11846 non-DREG is expensive.
11847 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11848 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11851 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11853 * doc/install.texi2html: Use set -e.
11855 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11857 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11858 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11859 * doc/invoke.texi (-fshared-data): Delete.
11860 * common.opt (fshared-data): Delete.
11861 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11862 (assemble_static_space): Remove #if 0 code.
11863 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11864 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11865 * config/cris/cris.h: Remove FIXME.
11867 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11869 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11872 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11874 PR middle-end/26379
11875 * combine.c (simplify_shift_const_1): Disable nested shifts
11876 optimization for vector shifts.
11878 2006-02-20 Roger Sayle <roger@eyesopen.com>
11880 PR tree-optimization/26361
11881 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11882 of unsigned integer types.
11884 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11886 * tree-chrec.c (eq_evolutions_p): New.
11887 * tree-chrec.h (eq_evolutions_p): Declared.
11888 * tree-data-ref.c: Fix formatting.
11889 (datadep_stats, dependence_stats): New.
11891 (print_direction_vector): New.
11892 (dump_data_dependence_relation): Use print_direction_vector.
11893 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11894 (compute_subscript_distance): Static.
11895 (initialize_data_dependence_relation): Static. Get the number
11896 of loops surrounding the references from the callers, and initialize
11897 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11898 base_object_differ_p analyzers.
11899 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11900 compute_overlap_steps_for_affine_1_2,
11901 analyze_subscript_affine_affine): Count the classified dependences.
11902 Print a message when a test failed.
11903 (can_use_analyze_subscript_affine_affine): New.
11904 (analyze_siv_subscript): Compute the data dependences on symbolic
11905 scevs that verify can_use_analyze_subscript_affine_affine.
11906 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11907 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11908 Handle symbolic scevs.
11909 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11911 (subscript_dependence_tester): Moved...
11912 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11913 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11914 DDR_SIZE_VECT instead of getting it in parameter.
11915 (subscript_dependence_tester): ... here. Take as a parameter
11916 loop_nest_depth. Call build_classic_dist_vector and
11917 build_classic_dir_vector.
11918 (compute_affine_dependence): Update subscript_dependence_tester
11919 parameters. Update datadep_stats counters. Call
11920 compute_subscript_distance.
11921 (compute_self_dependence): Save the dist and dir vectors. Call
11922 compute_subscript_distance.
11923 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11924 (compute_all_dependences): Reorder parameters as they were before
11925 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11926 compute_subscript_distance. Update the use of
11927 compute_affine_dependence and initialize_data_dependence_relation.
11928 (find_data_references_in_loop): Handle COMPONENT_REF.
11929 (compute_data_dependences_for_loop): Initialize dependence_stats.
11930 Don't call build_classic_dist_vector and build_classic_dir_vector.
11931 Update the parameters of initialize_data_dependence_relation and
11932 compute_all_dependences. Print the statistics from datadep_stats.
11933 (analyze_all_data_dependences): Static. Not used until the pass for
11934 checking the data dependences is contributed.
11935 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11936 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11937 (initialize_data_dependence_relation, compute_affine_dependence,
11938 analyze_all_data_dependences, compute_subscript_distance): Removed.
11939 (print_direction_vector): New.
11940 * lambda.h (gcd): ... here.
11941 (lambda_vector_gcd): Moved here from gcd_vector.
11942 * lambda-code.c (gcd, gcd_vector): Removed.
11943 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11944 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11946 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11948 * ipa-type-escape.c: Tidy some comments and white space.
11949 * tree-ssa-operands.c: Likewise.
11951 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11954 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11955 (dump_decl_name): Do not walk the decl tree chains.
11956 * tree-pass.h (TDF_CHAIN): Remove.
11958 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11960 * Makefile.in (C): Remove
11962 (.PHONY): Remove C and PROTO
11964 2006-02-20 Roger Sayle <roger@eyesopen.com>
11966 PR middle-end/26236
11967 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11968 deprecated CHAR_TYPE tree code.
11970 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11972 * configure.ac (target_list): Add install-info, dvi, html.
11973 * configure: Regenerate.
11975 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11976 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11977 treelang/Make-lang.in: Do not use double-colon rules.
11979 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11981 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11982 (TMT_USED_ALONE): New macro.
11983 * tree-pass.h (PROP_tmt_usage): New property.
11984 (TODO_update_tmt_usage): New todo.
11985 * tree-ssa-alias.c (updating_used_alone): New variable.
11986 (recalculate_used_alone): New function.
11987 (compute_may_aliases): Set updating_used_alone, call
11988 recalculate_used_alone.
11989 * tree-sra.c (pass_sra): Note that this pass destroys
11990 PROP_tmt_usage, and add TODO_update_tmt_usage.
11991 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11992 * tree-flow.h (updating_used_alone): Prototype.
11993 (recalculate_used_alone): Ditto.
11994 * passes.c (execute_todo): Add code to set updating_used_alone,
11995 and call recalculate.
11996 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11997 for clobber if used alone, and add assert to verify used_alone
12000 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12002 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12003 for non tls symbols added.
12004 (legitimize_address): Do nothing for PLUS expressions if one of the
12005 addends is a tls symbol reference.
12007 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12011 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12013 * Makefile.in (BOOTSTRAPPING): New.
12014 (quickstrap): New definition if BOOTSTRAPPING=yes.
12016 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12017 * configure.ac: Substitute all_selected_languages with the languages
12018 that were configured. For all the other variables except
12019 lang_specs_files, include all the languages in the tree.
12020 * configure: Regenerate.
12022 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12023 if there is one. Run the commands to run fixincludes in the same
12026 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12027 * doc/install.texi: Document exact conventions for searching target tools.
12028 Document --with-build-time-tools. Document toplevel bootstrap. Document
12029 something more about building an Ada cross-compiler. Don't list GNU Make
12030 requirements which affect all platforms.
12032 2006-02-19 Roger Sayle <roger@eyesopen.com>
12034 PR middle-end/19543
12035 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12036 only equivalent if the have both the same mode and precision.
12038 2006-02-20 Ben Elliston <bje@au.ibm.com>
12040 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12042 2006-02-19 Roger Sayle <roger@eyesopen.com>
12043 Steven Bosscher <stevenb.gcc@gmail.com>
12045 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12046 constant pool references to identify stack mode constants.
12047 * rtlanal.c (constant_pool_constant_p): New predicate to check
12048 whether operand is a floating point constant in the pool.
12049 * rtl.h (constant_pool_constant_p): Prototype here.
12050 * loop.c (scan_loop): Avoid hoisting constants from the constant
12051 pool on STACK_REGS targets.
12052 (load_mems): Likewise.
12053 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12054 loads into x87 registers expensive in terms of register pressure.
12056 2006-02-19 Roger Sayle <roger@eyesopen.com>
12058 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12059 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12061 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12063 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12064 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12066 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12068 * doc/invoke.texi: Document -fipa-pta.
12069 * common.opt: Add ipa-pta option.
12070 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12071 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12072 (do_ds_constraint): Ditto.
12073 (get_constraint_for): Only add to referenced_vars if
12074 referenced_vars exists.
12075 (insert_into_field_list): Rewrite to do this unsorted.
12076 (insert_into_field_list_sorted): Rename old insert_into_field_list
12078 (create_function_info_for): Use insert_into_field_list_sorted.
12079 (create_variable_info_for): Rewrite so it uses unsorted version,
12080 since the field list is sorted.
12081 (intra_create_variable_infos): Only add to referenced_vars if
12082 referenced_vars exists.
12083 (ipa_pta_execute): Init heapvars, and delete when done.
12084 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12086 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12088 * doc/install.texi: Add missing `@samp'.
12090 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12092 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12095 2006-02-18 Mark Wielaard <mark@klomp.org>
12097 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12098 who added new 4.1 features, bug fixes and integration support.
12100 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12103 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12104 MEM for ABI_V4 pic.
12106 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12108 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12109 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12110 (copy_insn_1): Likewise. Don't copy each field individually.
12112 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12114 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12115 * rtl.c (rtx_size): Rename variable to...
12116 (rtx_code_size): ...this.
12117 (rtx_size): New function.
12118 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12119 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12121 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12122 * rtl.h (rtx_code_size): New variable.
12123 (rtx_size): Change from a variable to a function.
12124 (RTX_SIZE): Rename to...
12125 (RTX_CODE_SIZE): ...this.
12128 PR tree-optimization/17106
12129 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12130 (Anchored Addresses): New section.
12131 * doc/invoke.texi (-fsection-anchors): Document.
12132 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12133 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12134 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12135 * hooks.c (hook_bool_mode_rtx_false): New function.
12136 * hooks.h (hook_bool_mode_rtx_false): Declare.
12137 * gengtype.c (create_optional_field): New function.
12138 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12139 SYMBOL_REF_IN_BLOCK_P is true.
12140 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12141 (min_anchor_offset, max_anchor_offset): Likewise.
12142 (use_anchors_for_symbol_p): New hook.
12143 * toplev.c (compile_file): Call output_object_blocks.
12144 (target_supports_section_anchors_p): New function.
12145 (process_options): Check that -fsection-anchors is only used on
12146 targets that support it and when -funit-at-a-time is in effect.
12147 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12148 if the decl doesn't have one.
12149 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12150 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12151 of force_const_mem through use_anchored_address.
12152 (expand_expr_constant): New function.
12153 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12154 calling expand_expr for INDIRECT_REF.
12155 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12156 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12157 * expr.h (use_anchored_address): Declare.
12158 * loop-unroll.c: Don't declare rtx vectors here.
12159 * explow.c: Include output.h.
12160 (validize_mem): Call use_anchored_address.
12161 (use_anchored_address): New function.
12162 * common.opt (-fsection-anchors): New switch.
12163 * varasm.c (object_block_htab, anchor_labelno): New variables.
12164 (hash_section, object_block_entry_eq, object_block_entry_hash)
12165 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12166 (use_blocks_for_decl_p, change_symbol_section): New functions.
12167 (get_variable_section): New function, split out from assemble_variable.
12168 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12169 use_blocks_for_decl_p say so. Use change_symbol_section if the
12170 symbol has already been created.
12171 (assemble_variable_contents): New function, split out from...
12172 (assemble_variable): ...here. Don't output any code for
12173 block symbols; just pass them to place_block_symbol.
12174 Use get_variable_section and assemble_variable_contents.
12175 (get_constant_alignment, get_constant_section, get_constant_size): New
12176 functions, split from output_constant_def_contents.
12177 (build_constant_desc): Create a block symbol if use_object_blocks_p
12178 says so. Or into SYMBOL_REF_FLAGS.
12179 (assemble_constant_contents): New function, split from...
12180 (output_constant_def_contents): ...here. Don't output any code
12181 for block symbols; just pass them to place_section_symbol.
12182 Use get_constant_section and get_constant_alignment.
12183 (force_const_mem): Create a block symbol if use_object_blocks_p and
12184 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12185 (output_constant_pool_1): Add an explicit alignment argument.
12186 Don't switch sections here.
12187 (output_constant_pool): Adjust call to output_constant_pool_1.
12188 Switch sections here instead. Don't output anything for block symbols;
12189 just pass them to place_block_symbol.
12190 (init_varasm_once): Initialize object_block_htab.
12191 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12192 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12193 (place_block_symbol, get_section_anchor, output_object_block)
12194 (output_object_block_htab, output_object_blocks): New functions.
12195 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12196 (TARGET_ASM_OUT): Include it.
12197 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12198 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12199 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12200 (TARGET_INITIALIZER): Include them.
12201 * rtl.c (rtl_check_failed_block_symbol): New function.
12202 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12203 (block_symbol, object_block): New structures.
12204 (rtx_def): Add a block_symbol field to the union.
12205 (BLOCK_SYMBOL_CHECK): New macro.
12206 (rtl_check_failed_block_symbol): Declare.
12207 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12208 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12209 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12210 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12211 * output.h (output_section_symbols): Declare.
12212 (object_block): Name structure.
12213 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12214 (default_use_anchors_for_symbol_p): Declare.
12215 * Makefile.in (RTL_BASE_H): Add vec.h.
12216 (explow.o): Depend on output.h.
12217 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12218 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12219 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12220 (rs6000_use_blocks_for_constant_p): New function.
12222 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12224 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12226 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12229 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12232 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12234 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12238 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12240 PR middle-end/26334
12241 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12242 instead of DECL_REGISTER.
12244 2006-02-18 Olivier Hainque <hainque@adacore.com>
12247 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12249 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12252 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12253 * opth-gen.awk: Handle Var and InverseMask together.
12254 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12255 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12256 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12257 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12259 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12260 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12261 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12262 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12263 LINUX_DYNAMIC_LINKER): Define.
12264 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12265 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12267 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12268 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12269 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12270 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12271 (TARGET_C99_FUNCTIONS): Don't define.
12272 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12273 GLIBC_DYNAMIC_LINKER.
12274 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12275 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12276 GLIBC_DYNAMIC_LINKER64): Define.
12277 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12278 LINUX_DYNAMIC_LINKER64.
12279 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12280 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12281 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12282 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12283 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12284 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12285 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12286 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12287 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12288 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12289 and LINUX_DYNAMIC_LINKER32.
12290 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12291 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12292 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12293 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12294 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12296 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12297 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12298 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12299 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12300 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12301 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12302 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12303 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12304 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12305 LINUX_DYNAMIC_LINKER): Define.
12306 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12307 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12308 GLIBC_DYNAMIC_LINKER64): Define.
12309 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12310 LINUX_DYNAMIC_LINKER64.
12311 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12312 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12313 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12314 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12315 LINUX_DYNAMIC_LINKER): Define.
12316 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12317 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12318 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12319 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12320 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12321 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12322 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12323 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12324 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12325 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12326 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12327 * doc/invoke.texi (-muclibc): Remove caveat about supported
12330 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12332 * doc/cpp.texi (__TIMESTAMP__): Document.
12334 2006-02-17 Roger Sayle <roger@eyesopen.com>
12336 PR middle-end/25600
12337 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12338 C is one less than the width of X (and related transformations).
12339 * simplify-rtx.c (simplify_unary_operation_1): Transform
12340 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12341 depending on STORE_FLAG_VALUE, were C is one less then the
12344 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12346 Fix PR tree-optimization/26341
12347 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12348 about NAME_MEMORY_TAG's.
12350 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12353 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12354 with hardware float support, and software float support. Add fcpy
12355 alternative to hardware patterns. Add alternatives to copy between
12356 general and floating-point registers to the 32-bit pattern.
12357 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12358 secondary reload to load a QI or HI mode constant into a floating
12360 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12361 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12363 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12366 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12368 (load_macho_picbase_di): Likewise.
12370 2006-02-16 Jeff Law <law@redhat.com>
12372 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12373 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12374 (ssa_name_nonzero_p): Likewise.
12375 (get_value_range): Return NULL if VRP is not running.
12376 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12377 VRP routines do not discover a range.
12378 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12379 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12380 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12381 (tree_expr_nonnegative_p): Similarly.
12382 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12383 (restore_nonzero_vars_to_original_value): Remove.
12384 (unsafe_associative_fp_binop): Remove.
12385 (tree_ssa_dominator_optimize): Remove initialization and
12386 finalization of nonzero_vars and nonzero_vars_stack.
12387 (dom_opt_initialize_block): No longer push marker on
12388 nonzero_vars_stack.
12389 (dom_opt_finalize_block): No longer call
12390 restore_nonzero_vars_to_original_value.
12391 (record_equivalences_from_phis): No longer look for
12392 nonzero PHI arguments.
12393 (cprop_into_successor_phis): No longer propagate nonzero
12394 property into PHI arguments. Lose unused argument. Caller
12396 (record_equivalences_from_stmt): No longer record nonzero
12397 values for SSA_NAMEs.
12398 (lookup_avail_expr): No longer use nonzero_vars.
12400 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12401 for sizetype when sizetype is unsigned.
12403 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12405 PR rtl-optimization/25603
12406 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12407 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12408 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12409 with new meaning of SETS.
12411 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12416 * config/linux.opt: New file.
12417 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12418 LINUX_DYNAMIC_LINKER): Define.
12419 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12420 * config.gcc (*-*-linux*): Define extra_options.
12421 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12422 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12423 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12424 GLIBC_DYNAMIC_LINKER.
12425 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12426 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12427 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12428 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12429 * doc/invoke.texi (GNU/Linux Options): New section.
12431 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12433 * config/sparc/sparc.md (setjmp): Rewrite.
12434 (setjmp_32): Delete.
12435 (setjmp_64): Likewise.
12437 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12439 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12442 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12444 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12447 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12449 PR rtl-optimization/26296
12450 * Makefile.in (loop-invariant.c): Add except.h dependency.
12451 * loop-invariant.c: Include except.h.
12452 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12454 2005-02-16 Paul Brook <paul@codesourcery.com>
12456 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12459 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12461 PR rtl-optimization/25636
12462 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12463 when deciding whether an insn is an initializing insn.
12465 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12467 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12468 (tree_code_size): Ditto.
12469 * tree.h (struct tree_memory_tag): Remove parent_var.
12470 (struct tree_struct_field_tag): New.
12473 (union tree_node): Add sft member.
12474 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12476 (create_sft): Add size and offset argument, set SFT_OFFSET and
12478 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12479 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12480 * tree-flow-inline.h (get_subvar_at): Update for
12481 SFT_OFFSET/SFT_SIZE.
12482 (var_can_have_subvars): Ditto.
12483 (overlap_subvar): Ditto.
12484 * print-tree.c (print_node): Print out interesting things for
12486 * tree-flow.h (struct subvar): Remove offset and size members.
12487 * tree-ssa-operands.c (get_expr_operands): Update for
12488 get_indirect_ref_operands changes.
12489 (get_indirect_ref_operands): Call add_virtual_operand instead of
12490 add_stmt_operand. Only recurse on base var if requested.
12491 (access_can_touch_variable): New function.
12492 (add_stmt_operand): Split virtual operand handling into ...
12493 (add_virtual_operand): Here. Add offset, size, and for_clobber
12494 arguments. Prune alias sets.
12495 (add_call_clobber_ops): Call add_virtual_operand.
12497 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12499 PR middle-end/26300
12500 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12502 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12503 than TREE_CODE as index into omp_clause_num_ops array.
12505 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12507 PR rtl-optimization/26184
12508 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12510 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12511 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12512 must_precede, must_follow and tobe_scheduled.
12515 * opts.c (common_handle_option): Free new_option pointer.
12516 * df-core.c (df_analyze): Free postorder pointer.
12518 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12520 * Makefile.in: Fix the examples about the use of stamps
12522 2006-02-15 Michael Matz <matz@suse.de>
12524 PR middle-end/22275
12526 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12527 influenced by maximum_field_alignment or DECL_PACKED.
12528 (update_alignment_for_field): Ditto.
12529 (place_field): Ditto.
12530 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12533 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12535 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12536 (debug_flow_info): Pass it.
12537 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12538 * bb-reorder.c (reorder_basic_blocks): Likewise.
12539 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12540 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12541 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12542 * gcse.c (gcse_main, bypass_jumps): Likewise.
12543 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12544 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12545 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12546 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12547 * rtl.h (dump_flow_info): Adjust prototype.
12548 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12549 * var-tracking.c (variable_tracking_main): Likewise.
12550 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12551 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12554 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12556 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12559 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12561 PR tree-optimization/26209
12562 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12563 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12565 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12567 2006-02-14 Roger Sayle <roger@eyesopen.com>
12569 PR middle-end/23670
12570 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12571 (X,Y) and the corresponding symmetry related transformations.
12572 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12573 (X,Y) and its symmetry related transformations.
12575 2006-02-14 Roger Sayle <roger@eyesopen.com>
12577 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12580 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12582 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12584 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12587 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12588 support COMDAT group.
12589 * configure: Regenerate.
12591 2006-02-14 Roger Sayle <roger@eyesopen.com>
12593 PR middle-end/26279
12594 PR middle-end/26280
12595 PR middle-end/26283
12596 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12598 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12600 Fix PR tree-optimization/26260
12602 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12604 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12605 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12606 * tree-ssa-structalias.c (create_variable_info_for): Use
12607 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12609 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12611 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12613 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12614 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12615 of the ending condition.
12616 * tree-ssa-loop-manip.c: Include params.h.
12617 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12618 tree_unroll_loop): New functions.
12619 * tree-pass.h (pass_loop_prefetch): Declare.
12620 * loop.c (rest_of_handle_loop_optimize): Test for
12621 -fprefetch-loop-arrays-rtl.
12622 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12623 * timevar.def (TV_TREE_PREFETCH): New timevar.
12624 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12625 pass_loop_prefetch): New.
12626 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12627 (cleanup_tree_cfg_loop): Call scev_reset.
12628 * common.opt (fprefetch-loop-arrays-rtl): Add.
12629 * tree-ssa-loop-prefetch.c: New file.
12630 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12631 (new_temp_expr_table): Initialize expr_vars.
12632 (free_temp_expr_table): Cleanup expr_vars.
12633 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12634 expressions from being merged into one.
12635 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12636 (struct tree_niter_desc): Add control, bound and cmp fields.
12637 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12639 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12640 (tree-cfgcleanup.o): Add SCEV_H dependency.
12641 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12642 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12644 2006-02-14 Richard Guenther <rguenther@suse.de>
12646 PR tree-optimization/26258
12647 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12648 in PHI argument processing.
12650 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12652 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12653 new expression in the requested machine mode.
12655 2006-02-13 Roger Sayle <roger@eyesopen.com>
12657 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12658 directly, instead let do_compare_rtx_and_jump handle this for us.
12659 * expr.c (expand_expr_real_1): Likewise.
12660 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12661 before do_jump_by_parts_greater.
12662 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12663 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12665 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12667 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12669 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12671 PR rtl-optimization/26235
12672 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12673 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12676 2006-02-13 Jeff Law <law@redhat.com>
12678 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12681 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12683 PR middle-end/26092
12684 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12685 twice if decl is a builtin. When trying again, call get_callee_fndecl
12686 first to verify it is still a builtin.
12688 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12690 * dwarf2out.c (base_type_die): Don't add AT_name here.
12691 (subrange_type_die): Don't add AT_name here.
12692 (modified_type_die): Rearrange code flow. Do add AT_name here.
12694 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12696 PR rtl-optimization/26247
12697 PR rtl-optimization/26248
12698 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12700 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12702 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12703 * config/fixtfdi.c: Likewise.
12704 * config/fixunstfdi.c: Likewise.
12705 * config/floatditf.c: Likewise.
12707 2006-02-13 Roger Sayle <roger@eyesopen.com>
12709 PR middle-end/24427
12710 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12711 into (X,C2) if C1 is a subset of the bits of C2. Transform
12712 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12714 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12716 2006-02-13 Josh Conner <jconner@apple.com>
12719 * varasm.c (function_section): Check for section name before
12720 calling select_section on targets that define
12721 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12722 unlikely_text_section instead of hot_function_section if
12723 first_function_block_is_cold.
12725 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12727 PR middle-end/25335
12728 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12730 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12732 PR rtl-optimization/26222
12733 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12734 after tree->rtl expansion.
12735 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12736 before passing it to emit_move_insn.
12738 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12740 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12742 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12743 Clarify documentation.
12744 * c-common.h (warn_write_strings): Remove.
12745 * c-common.c (warn_write_strings): Likewise.
12746 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12749 2006-02-12 Roger Sayle <roger@eyesopen.com>
12751 PR middle-end/25724
12752 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12753 (do_jump_parts_zero_rtx): New function renamed from
12754 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12755 (do_jump_parts_equality_rtx): New function split out from
12756 do_jump_parts_equality. Old implementation renamed as above.
12757 Call do_jump_parts_zero_rtx if either operand is zero.
12758 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12759 do all of the heavy lifting.
12760 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12761 calling either do_jump_by_parts_greater_rtx or
12762 do_jump_by_parts_equality_rtx.
12763 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12764 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12765 moved to do_compare_rtx_and_jump, call it directly.
12766 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12767 mode argument. Call do_compare_rtx_and_jump.
12768 (emit_case_nodes): Update calls to do_jump_if_equal.
12770 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12772 PR rtl-optimization/26225
12773 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12775 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12777 PR rtl-optimization/26232
12778 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12780 2006-02-11 Jason Merrill <jason@redhat.com>
12783 * tree-inline.c (declare_return_variable): Just don't use the
12784 modify target if it's a gimple complex reg and the return slot
12787 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12789 * doc/contrib.texi: Update my entry.
12791 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12793 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12795 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12797 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12800 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12802 * doc/invoke.texi (-floop-optimize2): Removed.
12803 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12804 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12805 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12806 * common.opt (floop-optimize2): Removed.
12807 (fmove-loop-invariants): Enabled by default.
12809 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12811 * tree-if-conv.c (combine_blocks): Free the result of
12812 get_loop_exit_edges.
12814 2006-02-10 Jeff Law <law@redhat.com>
12816 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12818 PR tree-optimization/26213
12819 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12820 loop trying to follow SSA_NAME_VALUE chains.
12822 2006-02-10 Richard Guenther <rguenther@suse.de>
12824 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12825 deal with structures that end in implicitly variable sized arrays.
12827 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12829 PR rtl-optimization/24762
12830 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12833 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12835 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12836 (struct ivopts_data): Add regs_used field.
12837 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12838 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12839 instead of loop_data->regs_used;
12840 (free_loop_data): Do not free aux fields for loops.
12841 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12842 and tree_ssa_iv_optimize_finalize.
12844 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12846 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12848 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12851 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12852 computing the effective result type.
12854 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12856 PR inline-asm/16194
12857 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12858 (tree_overlaps_hard_reg_set): Declare.
12859 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12860 type and signature to match function type expected by walk_tree.
12861 (tree_overlaps_hard_reg_set): New function.
12862 (decl_conflicts_with_clobbers_p): Rename to:
12863 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12864 Use tree_overlaps_hard_reg_set. Changed caller.
12865 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12866 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12867 * cris.c (cris_md_asm_clobbers): Likewise.
12869 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12871 * reload1.c (emit_input_reload_insns): Delete code that tries to
12872 inherit using find_equiv_reg.
12874 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12876 * c-common.h (flag_const_strings): Don't declare.
12877 * c-common.c (flag_const_strings): Remove.
12878 * c.opt (fconst_strings): Remove.
12879 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12880 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12881 (c_common_init_options): Don't set flag_const_strings.
12882 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12884 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12886 * arm.md (tlobits_cbranch): New pattern.
12887 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12888 testing a single bit.
12890 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12893 * tree-ssa-pre.c (create_component_ref_by_pieces):
12894 Handle RETURN_DECL like VAR_DECL.
12896 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12898 PR middle-end/26134
12899 * fold-const.c (fold_indirect_ref_1): Fold
12900 "*(foo *)&complexfoo" to "__real__ complexfoo"
12901 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12903 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12905 * tree-flow-inline.h (var_can_have_subvars):
12906 Volatile variables should not have subvariables.
12908 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12911 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12912 multiplying unsigned values.
12915 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12917 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12919 2006-02-08 Jason Merrill <jason@redhat.com>
12922 * tree.def: Elaborate on difference from MODIFY_EXPR.
12923 * doc/c-tree.texi (INIT_EXPR): Likewise.
12924 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12925 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12926 (gimplify_target_expr): Likewise.
12927 (gimplify_cond_expr): Remove target handling.
12928 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12929 (gimplify_expr): Clobber it here.
12930 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12931 Do return slot optimization if we have an INIT_EXPR.
12934 * tree-inline.c (declare_return_variable): Also clear
12935 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12938 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12940 PR middle-end/22439
12941 * gimplify.c (gimplify_one_sizepos): Fix typo.
12943 2006-02-08 Jeff Law <law@redhat.com>
12945 PR tree-optimization/21417
12946 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12947 across a backedge if the control statement at the end of the
12948 block is data dependent on other statements in the same block.
12949 (record_temporary_equivalences_from_stmts): Remove over-conservative
12950 test for threading across backedges.
12952 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12953 control statement, handle all three special cases in the same
12954 manner as they all have the same desired solution. No longer
12955 special case edge flag updating when the post dominator is
12958 2006-02-08 Roger Sayle <roger@eyesopen.com>
12960 * tree.def (CHAR_TYPE): Remove.
12961 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12962 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12963 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12964 (gen_string_type_die): Delete unreachable function.
12966 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12967 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12968 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12969 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12970 * builtins.c (type_to_class): Likewise.
12971 * fold-const.c (fold_convert, build_range_check,
12972 merge_ranges): Likewise.
12973 * expr.c (count_type_elements): Likewise.
12974 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12975 * stor-layout.c (layout_type): Likewise.
12976 * ipa-type-escape.c (type_to_consider): Likewise.
12977 * gimplify.c (omp_firstprivatize_type_sizes,
12978 gimplify_type_sizes): Likewise.
12979 * explow.c (promote_mode): Likewise.
12980 * tree-sra.c (is_sra_scalar_type): Likewise.
12981 * varasm.c (output_constant): Likewise.
12982 * tree-inline.c (remap_type_1): Likewise.
12983 * convert.c (convert_to_pointer, convert_to_real,
12984 convert_to_integer, convert_to_complex): Likewise.
12986 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12988 * df-scan.c (df_def_record_1): A set destination may
12989 be a parallel regardless of mode.
12991 2006-02-08 Roger Sayle <roger@eyesopen.com>
12994 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12995 * config/mips/_tilib.c: Remove.
12996 * config/fixtfdi.c: New libgcc source file.
12997 * config/fixunstfdi.c: New source file.
12998 * config/floatditf.c: New source file.
12999 * config/floatunditf.c: New souce file.
13000 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13001 files above instead of config/mips/_tilib.c.
13002 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13004 2006-02-08 Jeff Law <law@redhat.com>
13006 PR tree-optimization/26169
13007 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13010 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13012 * df.h (DF_REG_SIZE): Return the length of the initialized
13015 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13017 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13018 __muldf3): Return a correctly signed zero.
13020 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13022 * passes.c (register_one_dump_file): Accept the current properties
13023 instead of pass number. Adjust call to dump_register. Remove
13025 (register_dump_files): Now a wrapper around...
13026 (register_dump_files_1): ... this one. Do not modify the pass
13028 (next_pass_1): Cosmetic fix.
13029 (execute_todo): Keep second parameter only. Use curr_properties
13030 instead of fetching it from the pass structure. Check and set
13032 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13033 instead of fetching it from the pass structure. Fix calls to
13034 execute_todo. Update curr_properties and initialize .vcg RTL dump
13035 after running the pass. Reset last_verified.
13036 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13038 (FIRST_AUTO_NUMBERED_DUMP): New.
13039 (dump_register): Remove "num" parameter, assign it within the
13041 (get_dump_file_name): Modify template for dumps.
13042 * tree-dump.h (dump_register): Adjust prototype.
13043 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13044 (PROP_trees): Add PROP_gimple_lomp.
13045 (TODO_set_props): New.
13046 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13047 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13048 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13050 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13052 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13053 (sparc64-*-linux*): Likewise.
13054 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13055 * config/sparc/t-linux: New file.
13056 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13057 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13058 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13059 -m32 -mlong-double-128.
13061 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13062 * config/alpha/t-linux: New file.
13063 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13065 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13066 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13067 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13068 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13069 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13070 (CPP_ARCH32_SPEC): Remove.
13072 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13074 PR tree-optimization/26145
13075 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13078 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13081 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13082 >= 240000 when generating code for SOM runtime.
13083 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13084 to $$dyncall when generating code for SOM runtime..
13086 2006-02-07 Dirk Mueller <dmueller@suse.com>
13089 * doc/invoke.texi (-Wsequence-point): Update documentation
13090 that -Wsequence-point is implemented for C++ as well.
13092 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13094 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13095 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13096 (LIB_SPEC): Likewise.
13097 * doc/invoke.texi (SPARC options): Document -pthread.
13099 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13101 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13104 2006-02-07 Roger Sayle <roger@eyesopen.com>
13106 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13107 Correct comment describing BOOLEAN_TYPE.
13109 2006-02-07 Dirk Mueller <dmueller@suse.com>
13111 * c.opt: C++ frontend supports -Wdiv-by-zero.
13112 * c-opts.c (c_common_handle_option): Remove dead case.
13114 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13116 * configure.ac (TLS assembler check): Do not enable TLS by
13117 default on SPARC/Solaris before version 10.
13118 * configure: Regenerate.
13120 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13122 * doc/invoke.texi (xl-compat): Document conversion and support
13125 2006-02-07 Jeff Law <law@redhat.com>
13127 * tree-vrp.c (find_conditional_asserts): Update comments.
13128 (simplify_stmt_for_jump_threading): New.
13129 (identify_jump_threads, finalize_jump_threads): New.
13130 (vrp_finalize): Call identify_jump_threads.
13131 (execute_vrp): Call finalize_jump_threads.
13132 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13133 (vrp_element, vrp_data, vrp_element_p): Remove.
13134 (vrp_hash_elt, vrp_variables_stack): Remove.
13135 (vrp_hash, vrp_eq, record_range): Remove.
13136 (simplify_cond_and_lookup_avail_expr): Remove.
13137 (extract_range_from_cond): Remove.
13138 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13139 (simplify_stmt_for_jump_threading): New.
13140 (dom_thread_across_edge): New wrapper.
13141 (tree_ssa_dominator_optimize): No longer initialize or
13142 finalize any of the VRP datastructures. Remove iteration
13143 step and simplify as a result of removal of iteration step.
13144 (pass_dominator): Perform a cfg cleanup after DOM.
13145 (dom_opt_finalize_block): Use the new common routines
13146 for threading jumps. Simplify stack management slightly.
13147 No longer need to unwind VRP state.
13148 (record_equivalences_from_incoming_edge): No longer record
13150 (eliminate_redundant_computations): No longer call
13151 simplify_cond_and_lookup_avail_expr.
13152 * tree-flow.h (potentially_threadable_block): Prototype.
13153 (thread_across_edge): Likewise.
13154 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13155 (tree-ssa-threadedge.o): Add dependencies.
13156 * tree-ssa-threadedge.c: New file.
13157 * passes.c (init_optimization_passes): Merge PHIs before
13158 calling VRP. Run VRP again late in the SSA optimization pipeline.
13160 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13162 * df-core.c (df_set_blocks): Do not dereference function pointers.
13163 (df_finish1): Likewise.
13164 (df_hybrid_search_forward): Likewise.
13165 (df_hybrid_search_backward): Likewise.
13166 (df_iterative_dataflow): Likewise.
13167 (df_analyze_problem): Likewise.
13168 (df_compact_blocks): Likewise.
13169 (df_dump): Likewise.
13170 * df-scan.c (df_rescan_blocks): Likewise.
13171 (df_record_entry_block_defs): Likewise.
13173 * genconditions.c (write_conditions): Guard the definition of
13174 'insn_conditions' with the check on GCC version.
13175 (write_writer): Guard the traversal 'insn_conditions' with
13176 the check on GCC version.
13178 2006-02-07 Richard Guenther <rguenther@suse.de>
13182 2006-01-30 Richard Guenther <rguenther@suse.de>
13184 * gimplify.c (gimplify_target_expr): Handle easy cases
13185 without creating a temporary.
13187 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13189 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13190 use of float in probability computations. Use edge probabilities
13191 in place of statically computed probabilities.
13192 (min_spec_prob): New static variable.
13193 (schedule_insns): Initialize it.
13194 (GET_SRC_PROB): Removed.
13195 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13197 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13200 * config/ia64/unwind-ia64.c: Revert last change.
13201 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13202 (INCOMING_FRAME_SP_OFFSET): Define.
13204 2006-02-06 Roger Sayle <roger@eyesopen.com>
13206 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13208 2006-02-07 Ben Elliston <bje@au.ibm.com>
13210 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13211 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13212 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13213 (ix86_return_in_memory): Handle TDmode.
13214 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13215 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13217 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13219 * reorg.c (dbr_schedule): Use dump_file instead of file.
13221 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13224 * config/ia64/predicates.md (extr_len_operand): New predicate.
13225 * config/ia64/ia64.md (extv): Tighten constraints.
13227 (*tbit_and_2): Ditto.
13228 (*tbit_and_3): Ditto.
13229 (*tbit_or_2): Ditto.
13230 (*tbit_or_3): Ditto.
13231 (*bit_zero): Ditto.
13234 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13237 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13239 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13241 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13242 loop_optimizer_init and loop_optimizer_finalize
13243 * tree-ssa-sink.c (execute_sink_code): Ditto.
13244 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13245 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13246 tree_ssa_loop_done): Ditto.
13247 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13248 * sched-ebb.c: Include output.h.
13249 (schedule_ebbs): Do not use dump argument.
13250 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13251 * loop.c (loop_dump_stream): Removed.
13252 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13254 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13255 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13256 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13257 loop_iterations, strength_reduce, record_biv, record_giv,
13258 final_giv_value, check_final_value, check_ext_dependent_givs,
13259 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13260 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13261 dump_file instead of loop_dump_stream.
13262 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13263 argument dump_file.
13264 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13266 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13267 * haifa-sched.c: Include output.h
13268 (schedule_insns, sched_init): Do not use dump argument.
13269 * mode-switching.c (optimize_mode_switching): Ditto.
13270 * modulo-sched.c (stats_file): Removed.
13271 (print_node_sched_params): Do not call argument dump_file.
13272 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13273 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13275 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13277 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13278 rtl_loop_init, rtl_loop_done): Ditto.
13279 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13280 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13282 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13283 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13284 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13285 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13286 * emit-rtl.c (renumber_insns): Ditto.
13287 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13288 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13289 * regclass.c (regclass): Ditto.
13290 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13291 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13292 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13293 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13295 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13296 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13298 * gcse.c (gcse_file, debug_stderr): Removed.
13299 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13300 rest_of_handle_gcse): Do not use dump argument.
13301 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13302 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13303 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13304 compute_code_hoist_vbeinout, compute_code_hoist_data,
13305 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13306 compute_store_table, build_store_vectors, insert_insn_start_bb,
13307 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13308 store_motion): Use dump_file instead of gcse_file.
13309 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13310 * profile.c (profile_dump_file): Removed.
13311 (branch_prob): Use dump_file instead of profile_dump_file.
13312 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13314 * tree-ssa-copy.c (dump_copy_of): Ditto.
13315 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13316 dump file to life_analysis.
13317 * bt-load.c (branch_target_load_optimize): Ditto.
13318 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13320 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13321 regclass, dbr_schedule): Declaration changed.
13322 * sched-int.h (sched_init): Declaration changed.
13323 * tree-profile.c (tree_profile_dump_file): Removed.
13324 (tree_profile_hooks): Removed profile_dump_file hook.
13325 * rtl-profile (rtl_profile_dump_file): Removed.
13326 (rtl_profile_hooks): emoved profile_dump_file hook.
13327 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13329 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13330 * tree-cfg.c (build_tree_cfg): Ditto.
13331 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13332 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13333 Declaration changed.
13334 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13335 life_analysis and schedule_insns.
13336 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13338 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13340 * config/mips/mips.c (mips_reorg): Ditto.
13341 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13344 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13346 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13347 (s390_mangle_fundamental_type): New.
13348 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13351 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13352 (alpha_mangle_fundamental_type): New.
13353 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13356 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13358 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13360 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13361 (sparc_mangle_fundamental_type): New.
13363 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13365 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13366 (s390x-*-linux*): Likewise.
13367 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13368 * config/s390/t-linux: New file.
13370 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13372 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13373 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13375 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13377 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13378 (ANTIC_SAFE_LOADS): New macro.
13379 (find_or_generate_expression): Add prototype.
13380 (set_contains_value): Allow null set for sake of not always having
13381 to allocate ANTIC_SAFE_LOADS.
13382 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13383 Allow COMPONENT_REF too.
13384 (valid_in_set): Allow COMPONENT_REF.
13385 Check ANTIC_SAFE_LOADS too.
13386 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13387 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13389 (can_PRE_operation): Add COMPONENT_REF.
13390 (create_component_ref_by_pieces): New function.
13391 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13392 (insert_aux): Move AGGREGATE_TYPE_P check here.
13393 (compute_avail): Set bb local stmt uids.
13394 (pass_pre): Use TODO_update_ssa_only_virtuals.
13396 2006-02-06 Ben Elliston <bje@au.ibm.com>
13398 * configure.ac: Unconditionally disable decimal float by default.
13399 * configure: Regenerate.
13401 2006-02-06 Ben Elliston <bje@au.ibm.com>
13403 * read-rtl.c (read_name): Terminate reading on EOF.
13405 2006-02-06 Ben Elliston <bje@au.ibm.com>
13407 * dfp.c (decimal_real_arithmetic): Change second argument type
13408 from int to enum tree_code. Do not always return true, but now
13409 return result of any call to decimal_do helper functions.
13410 * dfp.h (decimal_real_arithmetic): Update prototype.
13412 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13414 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13416 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13419 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13422 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13424 * tree-vrp.c (cfg_loops): Removed.
13425 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13426 Use current_loops instead of cfg_loops. Pass flags to
13427 loop_optimizer_init.
13428 * cfgloopmanip.c (fix_loop_structure): Update only available
13430 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13431 loop_optimizer_init.
13432 * modulo-sched.c (build_loops_structure): Removed.
13433 (sms_schedule): Use loop_optimizer_init.
13434 * loop-init.c (loop_optimizer_init): Use flags to determine
13435 which properties of loops to prepare.
13436 (rtl_loop_init): Pass flags to loop_optimizer_init.
13437 * tree-ssa-sink.c (execute_sink_code): Ditto.
13438 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13439 * tree-ssa-pre.c (init_pre): Ditto.
13440 * cfgloop.h (LOOPS_NORMAL): New.
13441 (loop_optimizer_init): Declaration changed.
13443 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13445 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13446 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13448 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13450 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13452 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13453 * pa/t-pa64: Delete quadlib.c rule.
13454 * pa/x-ada: Revert last change.
13455 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13457 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13459 PR rtl-optimization/26087
13460 * rtlanal.c (canonicalize_condition): Do not cross basic block
13463 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13466 * config/ia64/ia64.c: Include debug.h.
13467 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13468 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13469 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13470 (process_epilogue, process_set, process_for_unwind_directive):
13471 Output unwind info only if requested. Add CFA info if requested.
13472 Add new arguments as needed. Adjust callers.
13473 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13475 (DWARF2_FRAME_INFO): Define to zero.
13476 * config/ia64/unwind-ia64.c: Remove code that compensated for
13477 the CFA offset error fixed above.
13478 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13479 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13480 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13481 -funwind-tables and -fexceptions to enable frame info.
13482 (dwarf2out_frame_init): Define initial CFA even if
13483 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13484 DWARF2_UNWIND_INFO is nonzero, not just defined.
13485 (dwarf2out_frame_finish): Output non-EH call frame info only
13486 if DWARF2_FRAME_INFO is nonzero.
13487 (convert_cfa_to_loc_list,
13488 compute_frame_pointer_to_cfa_displacement): Define even if
13489 unwind info is not supported.
13490 (gen_subprogram_die): Use the above unconditionally. Remove
13491 legacy alternate code.
13492 * toplev.c (compile_file): Compile in call to
13493 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13494 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13496 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13497 Jakub Jelinek <jakub@redhat.com>
13499 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13500 IBM extended float format long double as "g" on powerpc*-linux.
13502 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13505 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13506 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13508 2006-02-03 Jason Merrill <jason@redhat.com>
13511 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13513 PR middle-end/25977
13514 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13515 on the return slot if it's an NRV.
13517 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13519 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13520 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13521 rewrite_use): Do not handle USE_OUTER.
13522 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13523 add_iv_outer_candidates, may_replace_final_value,
13524 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13525 (find_interesting_uses_op): Functionality of
13526 find_interesting_uses_outer_or_nonlin moved here.
13527 (find_interesting_uses_outside): Use find_interesting_uses_op.
13529 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13532 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13534 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13535 Ulrich Weigand <uweigand@de.ibm.com>
13538 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13539 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13540 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13541 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13543 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13544 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13545 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13546 Define secondary reloads for TFmode moves.
13547 (constant_modes): Add TFmode.
13548 (NR_C_MODES): Set to 8.
13549 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13551 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13552 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13553 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13554 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13555 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13556 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13557 (FPR mode macro): Add TFmode.
13558 (DSF mode macro): New.
13559 (<de>, <dee> mode attributes): Removed.
13560 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13561 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13562 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13563 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13564 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13565 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13566 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13567 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13568 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13569 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13570 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13571 "*negabs<mode>2", "sqrt<mode>2"):
13572 Changed <de> to <xde>. R constraint replaced by <Rf>.
13573 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13575 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13576 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13577 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13579 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13580 "extenddftf2", "extendsftf2"): New expanders.
13581 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13582 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13583 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13584 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13586 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13587 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13588 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13589 __floatditf): Add a GCC_4.1.0 symbol version tag.
13590 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13593 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13596 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13597 Use targetm.binds_local_p instead of TREE_PUBLIC.
13599 2006-02-02 Roger Sayle <roger@eyesopen.com>
13601 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13602 on INTEGER_TYPEs to indicate that it denotes a character type.
13603 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13604 signed_char_type_node, unsigned_char_type_node and char_type_node.
13605 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13606 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13607 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13609 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13610 Daniel Berlin <dberlin@dberlin.org>
13612 * tree-tailcall.c (arg_needs_copy_p): New function.
13613 (eliminate_tail_call): Use arg_needs_copy_p.
13614 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13615 (add_virtual_phis): New function.
13617 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13619 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13620 #ignore instead of #scratch for %g7 .register directive.
13622 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13624 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13627 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13629 * flow.c (calculate_global_regs_live): Assert that there aren't any
13632 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13634 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13635 what its name says.
13636 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13637 bsi_after_labels iterator.
13638 * tree-if-conv.c (find_phi_replacement_condition,
13639 replace_phi_with_cond_modify_expr): Likewise.
13640 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13641 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13643 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13645 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13647 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13650 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13651 array after growing it.
13653 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13655 PR middle-end/24901
13656 * fold-const.c (fold_checksum_tree): Change type of buf.
13658 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13660 * reload.c (push_secondary_reload): Initialize t_icode.
13662 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13664 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13665 -msoft-float -mlong-double-128 only issue a warning, but don't
13666 swich to DFmode long double.
13668 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13670 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13671 has a constant equivalent, iterate over equivalents for arg0,
13672 calling simplify_relational_operation and if there's a result
13673 cheaper than X, apply fold_rtx and return the result.
13675 2006-02-01 Jan Hubicka <jh@suse.cz>
13677 * opts.c (no_unit_at_a_time_default): New global variable.
13678 (decode_options): Use it.
13679 * opts.h (no_unit_at_a_time_default): Declare.
13681 2006-02-01 Paul Brook <paul@codesourcery.com>
13683 * function.c (assign_parm_setup_reg): Use function argument promotion
13685 * expr.c (expand_expr_real_1): Use function argument promotion rules
13688 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13690 * gcc.c (process_command): Change j to 'unsigned int'.
13692 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13694 PR middle-end/26001
13695 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13696 Use the corrected index for the character
13697 out of the string constant.
13699 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13701 * mode-switching.c (optimize_mode_switching): Fix size
13702 allocated for bb_info[n_entities].
13704 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13706 * gcc.c (main): Correct type that is allocated for
13707 explicit_link_files.
13709 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13711 * config/s390/s390.c (init_alignment_context): Set
13712 ALIAS_SET_MEMORY_BARRIER on the MEM.
13713 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13715 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13717 PR middle-end/25933
13718 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13720 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13723 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13725 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13726 * regrename.c: Ditto.
13727 * tree-ssa-loop-im.c: Ditto.
13728 * tree-dump.c: Ditto.
13729 * tree-complex.c: Ditto.
13730 * genrecog.c: Ditto.
13731 * tree-ssa-threadupdate.c: Ditto.
13733 * java/class.c: Ditto.
13734 * java/jcf-parse.c: Ditto.
13735 * java/resource.c: Ditto.
13736 * java/except.c: Ditto.
13737 * java/jvspec.c: Ditto.
13738 * java/jcf-write.c: Ditto.
13739 * java/jcf-path.c: Ditto.
13740 * java/gjavah.c: Ditto.
13741 * java/zextract.c: Ditto.
13742 * java/jcf-io.c: Ditto.
13743 * java/jcf.h: Ditto.
13744 * java/buffer.c: Ditto.
13745 * java/lang.c: Ditto.
13746 * java/parse-scan.y: Ditto.
13747 * java/lex.c: Ditto.
13748 * java/lex.h: Ditto.
13749 * cfgloopmanip.c: Ditto.
13750 * postreload-gcse.c: Ditto.
13751 * tree-ssa-loop-manip.c: Ditto.
13752 * postreload.c: Ditto.
13753 * tree-ssa-loop-ch.c: Ditto.
13756 * cppspec.c: Ditto.
13757 * diagnostic.c: Ditto.
13759 * genoutput.c: Ditto.
13761 * cfghooks.c: Ditto.
13762 * cfgloopanal.c: Ditto.
13763 * objc/objc-act.c: Ditto.
13765 * genextract.c: Ditto.
13766 * genautomata.c: Ditto.
13767 * pretty-print.c: Ditto.
13768 * genemit.c: Ditto.
13769 * cgraphunit.c: Ditto.
13771 * df-scan.c: Ditto.
13772 * haifa-sched.c: Ditto.
13773 * dominance.c: Ditto.
13775 * tree-ssa-loop-ivopts.c: Ditto.
13776 * df-core.c: Ditto.
13777 * mode-switching.c: Ditto.
13778 * modulo-sched.c: Ditto.
13780 * ipa-pure-const.c: Ditto.
13782 * fix-header.c: Ditto.
13784 * tree-stdarg.c: Ditto.
13785 * ipa-utils.c: Ditto.
13786 * loop-init.c: Ditto.
13787 * ipa-inline.c: Ditto.
13788 * cfganal.c: Ditto.
13790 * alloc-pool.c: Ditto.
13791 * dwarf2out.c: Ditto.
13793 * genattrtab.c: Ditto.
13794 * tree-ssa-loop-ivcanon.c: Ditto.
13795 * predict.c: Ditto.
13796 * timevar.c: Ditto.
13798 * fortran/gfortranspec.c: Ditto.
13799 * regmove.c: Ditto.
13800 * local-alloc.c: Ditto.
13801 * langhooks.c: Ditto.
13802 * function.c: Ditto.
13803 * tree-vectorizer.c: Ditto.
13805 * ipa-type-escape.c: Ditto.
13807 * tree-if-conv.c: Ditto.
13808 * profile.c: Ditto.
13810 * tree-data-ref.c: Ditto.
13811 * loop-unroll.c: Ditto.
13812 * treelang/treetree.c: Ditto.
13814 * bt-load.c: Ditto.
13815 * ggc-common.c: Ditto.
13817 * coverage.c: Ditto.
13819 * tree-cfgcleanup.c: Ditto.
13820 * tree-ssa-pre.c: Ditto.
13821 * cfgcleanup.c: Ditto.
13822 * loop-invariant.c: Ditto.
13823 * loop-iv.c: Ditto.
13824 * ipa-prop.c: Ditto.
13825 * print-tree.c: Ditto.
13826 * conflict.c: Ditto.
13827 * ggc-page.c: Ditto.
13828 * sched-deps.c: Ditto.
13829 * regclass.c: Ditto.
13830 * tree-object-size.c: Ditto.
13831 * combine.c: Ditto.
13832 * bb-reorder.c: Ditto.
13833 * resource.c: Ditto.
13834 * var-tracking.c: Ditto.
13835 * cfgloop.c: Ditto.
13836 * df-problems.c: Ditto.
13837 * reg-stack.c: Ditto.
13839 * gccspec.c: Ditto.
13840 * sched-rgn.c: Ditto.
13841 * tree-ssa-structalias.c: Ditto.
13842 * tree-ssa-reassoc.c: Ditto.
13843 * config/darwin-c.c: Ditto.
13844 * config/darwin.c: Ditto.
13845 * config/arm/arm.c: Ditto.
13847 * collect2.c: Ditto.
13848 * reload1.c: Ditto.
13850 2006-01-31 Nicolas Pitre <nico@cam.org>
13852 * arm.md (smaxsi3): Make aware of smax_m1.
13855 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13857 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13859 2006-01-31 Richard Guenther <rguenther@suse.de>
13861 * doc/invoke.texi (-msselibm): Document.
13862 * target.h (expand_library_builtin): New target hook.
13863 * builtins.c (expand_builtin): Use expand_library_builtin.
13864 (default_expand_library_builtin): New function.
13865 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13866 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13867 (link_gcc_math_spec): Declare.
13868 (static_specs): Add link_gcc_math_spec.
13869 * expr.h (default_expand_library_builtin): Declare.
13870 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13871 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13872 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13873 * config/i386/i386.opt (msselibm): New target option.
13874 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13875 (ix86_init_sse_abi_builtins): New function.
13876 (ix86_expand_library_builtin): Likewise.
13877 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13878 (override_options): Handle error conditions wrt -msselibm.
13879 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13880 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13881 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13884 2006-01-31 Richard Guenther <rguenther@suse.de>
13885 Paolo Bonzini <bonzini@gnu.org>
13887 * doc/install.texi (--disable-libgcc-math): Document.
13889 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13891 * expr.h (expand_normal): new inline function.
13892 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13893 * dojump.c: use it.
13894 * dwarf2out.c: use it.
13897 * expmed.c: use it.
13898 * except.c: use it.
13899 * config/sparc/sparc.c: use it.
13900 * config/i386/i386.c: use it.
13901 * config/rs6000/rs6000.c: use it.
13902 * config/arm/arm.c: use it.
13903 * config/mips/mips.c: use it.
13904 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13906 2006-01-30 Roger Sayle <roger@eyesopen.com>
13908 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13909 argv to the appropriate type.
13911 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13913 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13916 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13919 * config/s390/s390.c (struct machine_function): New flag
13920 decomposed_literal_pool_addresses_ok_p.
13921 (s390_reorg): Set it before final stage of literal pool transforms.
13922 (s390_decompose_address): Only accept displacements of the form
13923 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13925 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13927 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13928 the comparison routine return.
13930 2006-01-30 Michael Matz <matz@suse.de>
13932 * global.c (find_reg): Only evict for global regs.
13933 Take n_refs into account and dump more info.
13935 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13938 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13939 (pragma_trap, pragma_nosave_low_regs): Likewise.
13940 (current_function_anonymous_args): Likewise.
13941 (sh_deferred_function_attributes): New variable.
13942 (sh_deferred_function_attributes_tail): Likewise.
13943 (print_operand): For '@', look up trap_exit attribute.
13944 (calc_live_regs): Look up trapa_handler attribute. For trapa
13945 handlers, save/restore fpscr, but don't do any other
13946 interrupt-specific saves.
13947 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13948 Fix check for partially saved registers to check for SHmedia.
13949 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13950 (sh_output_function_epilogue): Don't clear any of the removed
13952 (sh_insert_attributes): Don't check pragma_interrupt.
13953 Insert deferred attributes. Check that interrupt attribute is
13954 present for other attributes that require its presence.
13955 (sh_attribute_table): Add new attributes trapa_handler and
13957 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13958 Don't check for pragma_interrupt. Don't store argument.
13959 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13960 (sh_deferred_function_attributes): Declare.
13961 (sh_deferred_function_attributes_tail): Likewise.
13962 * sh.md (sp_switch_1): Add operand. Change generator caller.
13963 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13964 (*return_i): Don't use when trap_exit attribute is in effect.
13965 (*return_trapa): New insn pattern.
13966 * sh-c.c: New file.
13967 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13968 setting c_target_objs and cxx_target_objs.
13969 * t-sh: Add rule for sh-c.o.
13971 2006-01-30 Richard Guenther <rguenther@suse.de>
13974 * gimplify.c (gimplify_target_expr): Handle easy cases
13975 without creating a temporary.
13977 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13979 * vec.h (safe_grow): Remove duplicated line.
13981 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13984 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13985 (expand_omp): ... here.
13986 (expand_omp_parallel): Only remove barriers for combined
13987 parallel+workshare constructs.
13989 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13993 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13994 * tree.c (build_qualified_type): Chain the new type to the original
13995 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13996 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13997 (build_pointer_type_for_mode): Only return unqualified types.
13998 (build_reference_type_for_mode): Likewise.
14000 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14002 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14003 * Makefile.in (CXX_COMPAT_WARN): Define.
14004 * configure: Regenerate.
14006 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14009 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14012 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14014 * toplev.c: Fix thinko.
14016 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14017 Marcin Dalecki <martin@dalecki.de>
14019 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14020 (push_srcloc): Use XNEW.
14021 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14023 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14025 * df-core.c (df_set_blocks): Deleted all variable.
14027 2006-01-28 Ian Lance Taylor <ian@airs.com>
14029 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14030 cgraph_output_pending_asms.
14032 2006-01-28 Zack Weinberg <zackw@panix.com>
14034 * c.opt: Add -W(no-)overlength-strings.
14035 * doc/invoke.texi: Document it.
14036 * c-opts.c (c_common_handle_option): -pedantic implies
14037 -Woverlength-strings, if not explicitly disabled already.
14038 (c_common_post_options): -Woverlength-strings defaults to off, and
14039 is always off for C++.
14040 * c-common.c (fix_string_type): Issue warning about strings longer
14041 than is portable only if warn_overlength_strings. Rearrange code
14042 a little for clarity.
14043 * configure.in: Check for -Wno-overlength-strings as well before
14044 enabling -pedantic in stage 1.
14045 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14046 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14048 * genconditions.c (write_header, write_one_condition)
14049 (write_conditions, write_writer): Consolidate very long strings
14050 that were broken up to fit in C89 portable limit. Don't use
14051 printf when fputs will do.
14053 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14055 * combine.c (simplify_comparison <AND>): Check
14056 TRULY_NOOP_TRUNCATION before start using a subreg.
14058 * config/mips/mips.md (*branch_zero<mode>,
14059 *branch_zero<mode>_inverted, *branch_equality<mode>,
14060 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14061 Remove mode check from comparisons.
14063 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14065 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14067 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14069 * expmed.c (const_mult_add_overflow_p): Remove.
14070 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14072 * recog.c (validate_replace_rtx_subexp): Remove.
14073 * recog.h: Remove the prototype for
14074 validate_replace_rtx_subexp.
14076 * integrate.h: Remove the prototype for
14077 copy_decl_for_inlining.
14078 * rtl.h: Remove the prototype for mark_constant_function.
14079 * tree-vectorizer.h: Remove the prototype for
14080 vect_strip_conversion.
14082 * modulo-sched.c (create_partial_schedule,
14083 free_partial_schedule, reset_partial_schedule): Make them
14086 * hooks.c (hook_bool_rtx_int_false): Remove.
14087 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14089 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14091 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14092 and -mlong-double-128 are incompatible.
14093 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14094 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14095 (TARGET_LIBGCC2_CFLAGS): Define.
14096 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14097 (TARGET_LIBGCC2_CFLAGS): Same.
14098 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14100 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14103 * c-typeck.c (build_binary_op): Perform implicit casts of
14104 operands before shortening them.
14106 * cfgloopmanip.c (split_loop_bb): Remove.
14107 * cfgloop.h: Remove the prototype for split_loop_bb.
14109 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14110 * cfgloop.h: Remove the prototype for
14111 flow_loop_outside_edge_p.
14113 * emit-rtl.c (init_virtual_regs): Make it static.
14114 * function.h: Remove the prototype for init_virtual_regs.
14116 * recog.c (peephole2_optimize): Make it static.
14117 * recog.h: Remove the prototype for peephole2_optimize.
14119 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14121 * df-scan.c (df_record_entry_block_defs): Check if
14122 INCOMING_RETURN_ADDR_RTX is defined.
14124 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14125 Kenneth Zadeck <zadeck@naturalbridge.com>
14127 PR rtl-optimization/24762
14128 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14129 * targhooks.c (hook_void_bitmap): New hook prototype.
14130 * targhoohs.h (hook_void_bitmap): Ditto.
14131 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14132 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14133 * target.h (live_on_entry): New function pointer.
14134 * df-scan.c (df_all_hard_regs): Removed.
14135 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14136 (df_scan_free_internal): Added df->entry_block_defs.
14137 (df_scan_alloc): Ditto.
14138 (df_scan_dump): Ditto.
14139 (df_uses_record): Plumbed flag field properly thru calls.
14140 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14141 This part fixes PR24762.
14142 (df_bb_refs_record): Added code to make the frame and arg
14143 pointers live in EH blocks.
14144 (df_refs_record): Added call to df_record_entry_block_defs.
14145 (df_record_entry_block_defs): New function.
14146 * df-core.c: Added comments to describe new artifical defs.
14147 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14148 (entry_block_defs): New field in struct df.
14149 (df_all_hard_regs): Deleted.
14150 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14151 * df-problems.c (df_ru_bb_local_compute_process_def):
14152 Added code to handle artifical defs in the entry to a function.
14153 (df_ru_bb_local_compute): Ditto.
14154 (df_rd_bb_local_compute_process_def): Ditto.
14155 (df_rd_bb_local_compute): Ditto.
14156 (df_lr_bb_local_compute): Ditto.
14157 (df_ur_bb_local_compute): Ditto.
14158 (df_urec_bb_local_compute): Ditto.
14159 (df_chain_create_bb): Ditto.
14160 (df_ur_local_finalize): Removed entry.
14161 (df_urec_init): Ditto.
14162 (df_urec_local_finalize): Ditto.
14163 (df_ri_bb_compute): Added detection of last use of pseudos.
14164 * Makefile.in (df-scan.o): Updated dependencies.
14165 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14166 * config/mips/mips.c (mips_set_live_on_entry): Added.
14167 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14169 * dce.c (marked_insn_p): Added code to handle artifical defs.
14171 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14173 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14175 (_mm_cvtsi128_si64): Likewise.
14176 (_mm_cvtsd_si64): Likewise.
14177 (_mm_cvttsd_si64): Likewise.
14178 (_mm_cvtsi64_sd): Likewise.
14179 (_mm_cvtsi64_si128): Likewise.
14180 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14181 (_mm_cvtsi64_m64): Likewise.
14182 (_m_to_int64): Likewise.
14183 (_mm_cvtm64_si64): Likewise.
14184 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14185 (_mm_cvttss_si64): Likewise.
14186 (_mm_cvtsi64_ss): Likewise.
14187 (_mm_cvtss_f32): Likewise.
14189 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14191 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14192 for pragma redefine_extname.
14194 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14197 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14198 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14199 -mno-minimal-toc to previous content.
14200 (bispecs): Remove goal.
14201 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14202 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14203 compatibility aliases on powerpc-*-*gnu*.
14204 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14205 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14206 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14207 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14208 (ldblspecs): New goal.
14209 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14210 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14212 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14213 L_sf_to_tf or L_df_to_tf is defined.
14215 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14216 Alan Modra <amodra@bigpond.net.au>
14219 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14220 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14221 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14222 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14223 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14224 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14225 (rs6000_override_options): Initialize rs6000_ieeequad.
14226 Initialize TFmode format to ibm_extended_format if not
14228 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14230 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14231 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14232 (function_arg_advance): IBM long double passed in two FPRs, not
14234 (function_arg): IBM long double passed in FPRs.
14235 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14236 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14237 Only multireg GPR aligned.
14238 (rs6000_init_libfuncs): Enable IBM long double functions if not
14240 (rs6000_generate_compare): Use IBM long double compare if not
14242 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14243 (TARGET_IEEEQUAD): Define.
14244 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14245 not TARGET_IEEEQUAD.
14246 * config/rs6000/rs6000.md: Enable TFmode patterns if
14248 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14249 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14250 and -mlong-double-128 are incompatible.
14251 * doc/invoke.texi (-mabi): Collect options together. Add
14252 ibmlongdouble and ieeelongdouble.
14254 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14256 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14258 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14259 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14260 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14261 * rtl.h (rtunion_def): Remove rt_ptr.
14263 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14264 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14265 * config/i386/winnt.c (i386_pe_mark_dllexport)
14266 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14268 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14270 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14272 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14276 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14277 pthread_key_delete. From John David Anglin. gthrw-ify
14278 pthread_getunique_np only if it it's not a macro. Delete
14280 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14281 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14282 __gthread_objc_condition_signal, __gthread_key_delete): Add
14283 "__attribute__ ((__unused__))" to unused arguments.
14284 (__gthread_recursive_mutex_init_function): Add missing return.
14285 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14286 gthr-posix95.h: Use macro-based approach for name redirection
14287 on targets missing weakref.
14289 2006-01-26 Zack Weinberg <zackw@panix.com>
14291 * genconditions.c (write_header): In generated code, #ifdef out
14292 all includes and fake declarations, except includes of bconfig.h
14293 and system.h, unless GCC_VERSION >= 3001. Do not include
14294 gensupport.h in any case.
14295 (write_conditions): Generate a definition of struct c_test. Add
14296 a comment to the generated #endif.
14297 (write_one_condition): Escape backslashes in string too.
14298 (write_writer): Generated code must escape backslashes and quote
14299 marks (but not newlines) in the strings it writes.
14300 * Makefile.in (build/gencondmd.o): Update dependencies.
14302 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14305 * Makefile.in (insn-automata.o): Add header file dependencies.
14306 * genautomata.c: Add includes.
14308 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14311 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14313 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14315 * configure.ac: Expect target tools paths to be passed from the toplevel
14316 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14318 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14320 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14323 * c.opt (Wpointer-sign): Init to -1.
14324 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14325 OPT_pedantic, to 0 otherwise.
14326 * doc/invoke.texi: Update.
14328 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14330 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14331 constants provided by 80387 instructions in the destination mode.
14333 2006-01-26 Richard Guenther <rguenther@suse.de>
14334 Andrew Pinski <pinskia@physics.uc.edu>
14337 partial PR tree-opt/17064
14338 * tree-ssa-structalias.c (intra_create_variable_infos):
14339 Create heap variables for incoming parameters if
14340 flag_argument_noalias > 1.
14341 (find_what_p_points_to): Look through default defs of
14344 2006-01-26 Jeff Law <law@redhat.com>
14347 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14348 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14349 within the VR_RANGE, use the VR_RANGE as the result, not the
14351 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14352 bounds for the type.
14354 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14356 * tree-ssa-alias.c (maybe_create_global_var): Change
14357 subvar walking to an assertion that we don't have subvar'd variables.
14359 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14362 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14363 Use a new variable, inner. PARM_DECLs are always non-weak.
14365 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14367 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14368 --disable-checking.
14370 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14372 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14374 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14376 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14377 (smax_insn, smin_insn, smax_0, smin_0): New.
14379 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14382 * config/cris/cris.c (cris_order_for_addsi3): New function.
14383 * config/cris/cris-protos.h: Prototype it.
14384 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14385 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14386 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14387 (split for "op.S1 [rx=rx+i],ry (swapped)")
14388 (split for "op(s|u).S1 [rx=rx+i],ry")
14389 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14390 Apply cris_order_for_addsi3 when generating addsi3 insns.
14392 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14394 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14395 (TREE_BLOCK): Add call to EXPR_CHECK.
14397 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14400 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14401 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14402 (dump_omp_clauses): ... here.
14403 (dump_generic_node): Handle OMP_CLAUSE.
14404 * tree.c (omp_clause_num_ops): New.
14405 (omp_clause_code_name): New.
14406 (tree_code_size): Handle OMP_CLAUSE.
14407 (tree_size): Likewise.
14408 (make_node): Document handling of OMP_CLAUSE.
14409 (tree_node_structure): Handle OMP_CLAUSE.
14410 (omp_clause_check_failed): New.
14411 (omp_clause_range_check_failed): New.
14412 (omp_clause_operand_check_failed): New.
14413 (build_omp_clause): New.
14414 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14415 * tree.h (enum omp_clause_code): Declare.
14416 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14417 (OMP_CLAUSE_RANGE_CHECK): Define.
14418 (OMP_CLAUSE_ELT_CHECK): Define.
14419 (omp_clause_check_failed): Declare.
14420 (omp_clause_operand_check_failed): Declare.
14421 (omp_clause_range_check_failed): Declare.
14422 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14423 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14424 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14425 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14426 (OMP_CLAUSE_IF_EXPR): Likewise.
14427 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14428 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14429 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14430 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14431 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14432 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14433 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14434 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14435 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14436 (OMP_CLAUSE_CODE): Define.
14437 (OMP_CLAUSE_SET_CODE): Define.
14438 (OMP_CLAUSE_CODE): Define.
14439 (OMP_CLAUSE_OPERAND): Define.
14440 (struct tree_omp_clause): Declare.
14441 (union tree_node): Add field 'omp_clause'.
14442 * treestruct.def (TS_OMP_CLAUSE): Define.
14443 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14444 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14445 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14446 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14447 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14448 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14449 (OMP_CLAUSE): Define.
14450 * print-tree.c (print_node): Handle OMP_CLAUSE.
14451 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14452 * c-typeck.c: Likewise.
14453 * gimplify.c: Likewise.
14454 * c-omp.c: Likewise.
14455 * tree-nested.c: Likewise.
14456 * tree-inline.c: Likewise.
14457 * c-parser.c: Likewise.
14458 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14461 2006-01-25 Roger Sayle <roger@eyesopen.com>
14463 PR rtl-optimization/25703
14464 * combine.c (try_combine): Handle zero_extract and strict_low_part
14465 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14467 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14469 * global.c: Fix comment typos.
14471 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14474 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14475 Use output_addr_const instead of assemble_name.
14477 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14479 * Makefile.in (sched-vis.o): Update dependencies.
14480 * haifa-sched.c (sched_finish): Clear current_sched_info.
14481 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14482 (dump_flow_info): Call it.
14483 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14485 * basic-block.h (dump_bb_info): Declare.
14486 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14487 option, and apply options only for dump files whose TDF_RTL,
14488 TDF_TREE, or TDF_IPA bits match.
14489 * rtl.h: Declare new functions exported from sched-vis.c.
14490 * sched-vis.c: Enable also if scheduling is not used.
14491 (print_value): Print the mode of registers if not inside scheduling.
14492 (print_insn): Make it work outside the scheduler. Beautify the output
14494 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14496 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14498 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14499 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14500 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14501 depending on the value of CONSTANT_POOL_ADDRESS_P.
14502 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14504 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14505 rather than SYMBOL_REF_DECL.
14506 (rtx_constant_pool): Remove const_rtx_sym_htab.
14507 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14508 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14509 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14510 Remove handling of const_rtx_sym_htab.
14511 (find_pool_constant): Delete.
14512 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14513 rather than find_pool_constant.
14514 (get_pool_constant_for_function): Delete.
14515 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14516 find_pool_constant.
14517 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14518 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14519 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14520 (SYMBOL_REF_CONSTANT): New macro.
14521 (get_pool_constant_for_function): Delete.
14522 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14523 rather than SYMBOL_REF_DECL.
14524 (i386_pe_mark_dllimport): Likewise.
14525 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14526 rather than SYMBOL_REF_DECL.
14527 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14528 (machopic_indirect_call_target): Likewise.
14530 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14532 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14534 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14536 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14538 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14540 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14542 2006-01-24 David Daney <ddaney@avtrex.com>
14545 * configure.ac (enable_tls): New enable option.
14546 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14547 * configure: Regenerate.
14548 * doc/install.texi (--enable-tls): Document new option.
14549 (--disable-tls): Ditto.
14551 2006-01-24 Richard Henderson <rth@redehat.com>
14553 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14554 * alias.c (true_dependence): Respect it.
14555 (canon_true_dependence, write_dependence_p): Likewise.
14556 * builtins.c (get_builtin_sync_mem): Set it.
14558 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14560 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14563 2006-01-24 DJ Delorie <dj@redhat.com>
14565 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14566 for storing constants in single-bit bitfields.
14568 2006-01-25 Ben Elliston <bje@au.ibm.com>
14570 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14572 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14575 * tree-ssa-pre.c (phi_translate): Return NULL
14576 for AGGREGATE_TYPE's.
14578 2006-01-24 Zack Weinberg <zackw@panix.com>
14580 * genautomata.c (process_state_for_insn_equiv_partition):
14581 Use xcalloc for insn_arcs_array.
14582 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14583 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14585 2006-01-24 Richard Henderson <rth@redhat.com>
14587 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14588 update all callers.
14590 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14592 PR rtl-optimization/25890
14593 PR rtl-optimization/25905
14594 * combine.c (expand_compound_operation, expand_field_assignment):
14595 Fail if the bitfield's final position is out of bounds.
14597 2006-01-24 Ian Lance Taylor <ian@airs.com>
14599 PR middle-end/25930
14600 * cgraphunit.c (cgraph_output_in_order): Don't clear
14601 cgraph_asm_nodes until after asm strings have been output.
14603 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14605 * fix-header.c (read_scan_file): Add new parameter imultilib when
14606 calling register_include_chains.
14608 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14610 * omp-low.c: Update documentation.
14612 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14613 Daniel Berlin <dberlin@dberlin.org>
14617 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14618 return from the function.
14620 2006-01-22 Zack Weinberg <zackw@panix.com>
14622 * rtl.def (match_code): Add second argument.
14623 * genpreds.c (write_extract_subexp): New function.
14624 (write_match_code): Add path argument. Use write_extract_subexp.
14625 (write_predicate_expr): Pass path to write_match_code.
14626 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14627 not perform a mode test.
14628 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14629 a subexpression does not constrain the top-level code set.
14630 * read-rtl.c (read_rtx_variadic): New function.
14631 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14632 * doc/md.texi: Document new notation.
14633 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14634 (cmpsi_operand): ... here, using new notation.
14636 2006-01-22 Zack Weinberg <zackw@panix.com>
14638 * varray.c: Remove GENERATOR_FILE #ifdefs.
14640 2006-01-22 Zack Weinberg <zackw@panix.com>
14642 * genautomata.c (output_reserved_units_table): Emit nothing if
14643 description->query_units_num is zero. Remove extra blank line.
14644 (output_cpu_unit_reservation_p): Short circuit
14645 if description->query_units_num is zero.
14647 2006-01-22 Zack Weinberg <zackw@panix.com>
14649 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14650 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14651 nor any of the random handful of variables that used to be necessary
14652 when this program was linked with rtlanal.o. Prune set of forward
14653 function declarations.
14654 (struct attr_desc): Remove static_p field.
14655 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14656 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14657 (attr_string): Do not read the character one past the length of
14659 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14660 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14661 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14662 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14663 (make_automaton_attrs): New.
14664 (main): Do not call into genautomata. Call local gen_bypass
14665 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14666 Remove special case for insn_alts.
14667 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14668 varray.h (leftover from previous change). Prune set of forward
14669 function declarations. Remove state_alts fields from all
14670 structures. Remove state_alts_table from struct automaton.
14671 Make everything except main static. Do not maintain num_dfa_decls.
14672 Do not maintain state_alts fields of various structures.
14673 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14674 (add_arc): Remove state_alts argument. All callers updated.
14675 (output_reserved_units_table): Emit #ifdef here...
14676 (output_tables): ...not here. Don't generate state_alts tables.
14677 (expand_automata): Don't generate attributes.
14678 (write_automata): Don't generate state_alts functions.
14679 (main): New function.
14680 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14681 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14682 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14683 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14684 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14685 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14686 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14687 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14689 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14690 * genattrtab.h: Delete file.
14691 * Makefile.in (OBJS-common): Add insn-automata.o.
14692 (insn-automata.o): New rule.
14693 (simple_generated_c): Add insn-automata.c.
14694 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14695 (genprogmd): Add automata.
14696 (build/genattrtab): Needs no extra objects nor libraries.
14697 (build/genautomata): Needs build/vec.o and -lm.
14699 2006-01-22 Zack Weinberg <zackw@panix.com>
14701 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14702 (output_dfa_max_issue_rate, locked_states_num): Delete.
14703 (struct automaton): Add locked_states field.
14704 (output_dead_lock_vect): Save number of locked states in
14705 automaton->locked_states. If it is zero, don't print anything.
14706 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14707 (output_internal_dead_lock_func): Only test the dead_lock_vect
14708 for automata that have locked states.
14709 (output_statistics): Always print the number of locked states for
14710 each automaton. Calculate total number of locked states here.
14711 (write_automata): Don't call output_dfa_max_issue_rate.
14712 * genattrtab.c: Define length_unit_log as a const variable.
14713 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14714 max_insn_queue_index const.
14715 * final.c (length_unit_log): Declare const.
14716 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14718 2006-01-22 Zack Weinberg <zackw@panix.com>
14720 * genautomata.c: Include vec.h, not varray.h.
14721 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14722 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14723 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14724 VEC_* macros operating on appropriately typed vectors, or to
14725 malloced arrays when the size is known in advance. Const-ify
14726 many char* variables and function arguments. No functional changes.
14727 * Makefile.in (build/varray.o): Delete rule.
14728 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14729 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14731 2006-01-22 Zack Weinberg <zackw@panix.com>
14733 * gensupport.c: Define get_insn_name and record_insn_name here.
14734 (read_md_rtx): Call record_insn_name as appropriate.
14735 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14736 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14737 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14739 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14740 (BUILD_VARRAY): Delete.
14741 (genprognormal): Rename genprogmd. Fold in all programs from
14742 genprognoprint; also attrtab.
14743 (build/genattrtab): Just mention genautomata.o and varray.o.
14744 Reorganize a bit, add comments to make the categories clearer.
14746 2006-01-22 Zack Weinberg <zackw@panix.com>
14748 * genconditions.c (condition_table, add_condition): Delete.
14749 (write_conditions): Don't emit n_insn_conditions nor
14750 insn_elision_unavailable. Issue the gcc version #ifdef here,
14751 inside the table, with no #else clause ...
14752 (write_header): ...not here.
14753 (write_writer): New function.
14754 (main): Don't initialize condition_table. Use add_c_test.
14756 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14757 files on the command line.
14758 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14759 Return -1 if there is no entry in the table, don't abort.
14760 (add_c_test, traverse_c_tests): New functions.
14761 * gensupport.h (insn_elision_unavailable, insn_conditions)
14762 (n_insn_conditions): Delete declarations.
14763 (add_c_test, traverse_c_tests): Declare.
14764 * read-rtl.c: Include gensupport.h.
14765 (read_conditions): New function.
14766 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14767 (read_rtx_1): If we get EOF when we were looking for an initial
14768 open paren, return 0. Call read_conditions when appropriate.
14769 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14770 dummy-conditions.o. Eliminate references to insn-conditions.o,
14771 or change them to build/gencondmd.o, as appropriate. Remove
14772 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14773 from $(simple_generated_c). For all files remaining in those
14774 two lists, add insn-conditions.md to the generator command line.
14775 Give insn-constants.h/s-constants their own rules. Add rules
14776 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14777 (build/read-rtl.o): Depend on gensupport.h.
14778 (genprognormal): Include preds.
14779 (genprogearly): Rename genprognoprint; only difference is now that
14780 they don't link with $(BUILD_PRINT).
14781 * dummy-conditions.c: Delete.
14783 2006-01-22 Zack Weinberg <zackw@panix.com>
14785 * genextract.c: Don't include insn-config.h. Do include vec.h.
14786 Declare vectors of int, char, and locstr.
14787 (locstr): New typedef.
14788 (struct extraction): Make all array fields into bare pointers.
14789 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14790 (insn_code_number): Delete.
14791 (accum_extract): New struct.
14792 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14793 (gen_insn): Take insn_code_number as an argument. Use an
14794 accum_extract structure instead of loading data directly into
14795 a struct extraction, and having to know how big it might get.
14796 (walk_rtx): Operate entirely on an accum_extract structure.
14797 (print_path): Avoid unnecessary use of printf.
14798 (print_header): New function, split out of main. Distinguish
14799 more carefully between an unrecognizable insn and an insn that
14800 has the code number of a define_expand.
14801 (main): Pass insn_code_number to gen_insn. Call print_header
14802 only after parsing. Avoid unnecessary use of printf.
14803 * Makefile.in (build/vec.o): New rule.
14804 (build/genextract): Depend on build/vec.o.
14805 (build/genextract.o): Don't depend on insn-config.h.
14807 2006-01-22 Zack Weinberg <zackw@panix.com>
14809 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14810 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14811 practical. Eliminate per-generator-program link rules.
14813 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14815 PR middle-end/24437
14816 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14817 with a call expr to ...
14818 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14820 2006-01-23 Richard Guenther <rguenther@suse.de>
14822 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14823 before make_edge with conditional EDGE_TRUE_VALUE.
14825 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14826 Jan Hubicka <jh@suse.cz>
14827 Richard Guenther <rguenther@suse.de>
14829 PR rtl-optimization/25654
14830 * cfgexpand.c (aggregate_contains_union_type): New function.
14831 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14832 for structure variables that contain a union type.
14834 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14836 * gengtype.c (new_structure): Return the structure.
14837 (create_option): Add an extra "next" argument.
14838 (create_field): New function.
14839 (adjust_field_rtx_def): Use create_option and create_field.
14840 Remove a now-unnecessary call to find_structure.
14841 (adjust_field_tree_def): Likewise.
14842 (note_yacc_type): Remove an unnecessary call to find_structure.
14843 * gengtype.h (new_structure): Return the structure.
14844 (create_option): Add an extra argument.
14845 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14846 (option): Adjust calls to create_option.
14848 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14850 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14852 2006-01-22 Paul Brook <paul@codesourcery.com>
14853 Peter Barada <peter@the-baradas.com>
14855 * config/m68k/m68k.md: Add Coldfire FPU support.
14856 Define FP mode macro and associated attributes.
14857 Use it for float mode patterns.
14858 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14859 (LIBCALL_VALUE): Use m68k_libcall_value.
14860 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14861 (m68k_function_value): Ditto.
14862 (emit_move_sequence): Ditto.
14863 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14864 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14865 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14866 (MULTILIB_EXCEPTIONS): Ditto.
14867 * config/m68k/m68k.opt: Add mcfv4e.
14868 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14869 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14870 (m68k_output_function_prologue): Save ColdFire FPU registers.
14871 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14872 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14873 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14874 ColdFire FPU registers.
14875 (m68k_libcall_value, m68k_function_value): New functions.
14876 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14877 (LIBCALL_VALUE): Use m68k_libcall_value.
14878 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14879 (MASK_COLDFIRE): Add MASK_CFV4E.
14880 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14881 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14882 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14883 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14884 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14885 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14886 * doc/invoke.tex: Document -mcfv4e on m68k.
14888 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14890 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14893 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14896 * c-opts.c (c_common_handle_option): Don't include
14897 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14898 * doc/invoke.texi (C++ Dialect Options): Document that
14899 -Wnon-virtual-dtor is no longer included in -Wall.
14901 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14903 * gcov.c (print_version), gcov-dump.c (print_version),
14904 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14907 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14909 * df-scan.c (problem_SCAN): Added NULL reset function.
14910 (df_scan_reset_blocks): Added code to call reset block function
14911 (df_bb_refs_delete) Fixed comment.
14912 (df_insn_refs_delete): Made tolerant of deleting non existent info
14913 for dataflow problems that need to be reset.
14914 * df-core.c (df_set_blocks): Ditto.
14915 * df.h (struct df_problem): Added reset_fun.
14916 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14917 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14918 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14919 functions to clear out all references to def-use or use-def chains.
14921 2006-01-21 Ben Elliston <bje@au.ibm.com>
14923 * varasm.c (assemble_real): Initialise data array.
14925 2006-01-20 Paul Brook <paul@codesourcery.com>
14927 Merge from csl-arm-branch.
14928 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14929 * config/arm/arm.md (movdi): Force operands[1] to a register
14930 if we have a non-register source.
14931 (*arm_movdi, *movdf_soft_insn): Require that one of the
14932 operands be a register.
14933 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14934 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14936 2006-01-20 DJ Delorie <dj@redhat.com>
14938 * varasm.c (initializer_constant_valid_p): Allow pointers
14939 initialized from integer constants of lesser precision.
14940 (output_constant): Allow non-int-sized pointer modes to be
14941 initialized from integer constants.
14943 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14946 * cppdefault.h (struct default_include): Add multilib flag.
14947 * cppdefault.c (cpp_include_defaults): Set it.
14948 * c.opt (-imultilib): New option.
14949 * c-opts.c (imultilib): New.
14950 (c_common_handle_option): Handle -imultilib.
14951 (c_common_post_options): Likewise.
14952 * c-incpath.c (add_standard_paths, register_include_chains):
14954 * c-incpath.h (register_include_chains): Add extra parameter.
14955 * gcc.c (do_spec_1): Generate -imultilib option.
14956 (The Specs Language): Update %I description.
14957 (process_command): Update copyright notice.
14958 * doc/cppopts.texi (-imultilib): Document.
14959 * doc/invoke.texi (-imultilib): Include in option summary.
14960 (%I): Update specs documentation.
14962 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14964 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14966 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14968 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14971 2006-01-20 Richard Guenther <rguenther@suse.de>
14972 Steven Bosscher <stevenb.gcc@gmail.com>
14974 PR rtl-optimization/24626
14975 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14976 EDGE_TRUE_VALUE if in RTL mode.
14979 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14980 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14982 2006-01-20 Dirk Mueller <dmueller@suse.com>
14985 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14986 instead of a special NOP marker.
14987 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14988 NOP marker handling.
14989 * c-common.h (empty_body_warning): Add forward declaration.
14990 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14991 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14993 2006-01-20 Paul Brook <paul@codesourcery.com>
14995 * Makefile.in (lang_checks): Keep going if mkdir fails.
14997 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14999 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15000 be able to clean out basic block when not necessary.
15001 (df_scan_free): Fixed to properly delete information if df is
15002 unused before calling df_finish.
15003 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15004 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15006 (df_bb_refs_delete): New function.
15007 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15008 * df-core.c (df_set_blocks): Added code to properly clean out
15009 unused blocks if they are not part of the blocks to consider.
15010 Added additional null check.
15011 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15012 be able to clean out basic block when not necessary
15013 * df.h (df_free_bb_function): Ditto.
15014 (df_bb_refs_delete): New function.
15015 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15016 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15017 basic block parameter to be able to clean out basic block when not
15019 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15020 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15021 Fixed to properly delete information if df is unused before
15024 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15026 PR rtl-optimization/25799
15027 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15028 Corrected confluence operator to remove bits from op2 before oring
15029 with op1 rather than removing bits from op1.
15030 (df_ru_transfer_function): Corrected test on wrong bitmap which
15031 caused infinite loop. Both of these problems were introduced in
15032 the dataflow rewrite.
15034 2006-01-19 DJ Delorie <dj@redhat.com>
15036 * reload1.c (find_reload_regs): Note the details of reload
15037 failures in the dump file.
15038 (spill_failure): Likewise.
15040 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15042 * loop-iv.c: Include df.h and hashtab.h.
15043 (enum iv_grd_result): New enum.
15044 (DF_REF_IV, DF_REF_IV_SET): New macros.
15045 (struct biv_entry): New.
15046 (df, bivs): New global variables.
15047 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15048 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15050 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15051 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15052 analyzed_for_bivness_p, record_biv): New functions.
15053 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15054 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15055 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15057 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15059 (iv_number_of_iterations): Use new interface to iv analysis.
15060 * loop-unroll.c: Do not include varray.h.
15061 (analyze_iv_to_split_insn): Use new interface to iv
15063 * loop-unswitch.c (may_unswitch_on): Ditto.
15064 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15066 (df_bb_modify): Realloc tables to the new index.
15067 (df_find_use): New function.
15068 * df.h (df_find_use): Declare.
15069 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15071 * cfgloop.h (struct rtx_iv): Remove analysed field.
15072 (iv_get_reaching_def): Removed.
15073 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15074 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15075 (loop-iv.o): Add df.h and hashtab.h dependency.
15076 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15078 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15081 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15083 (__floatundisf, __floatundidf): Likewise.
15084 * libgcc2.h (IS_IBM_EXTENDED): Define.
15086 2006-01-19 DJ Delorie <dj@redhat.com>
15088 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15090 2006-01-19 Paul Brook <paul@codesourcery.com>
15092 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15093 as nothrow when unwinding tables are disabled.
15095 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15098 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15099 of bit-field" when in system header.
15101 2006-01-19 DJ Delorie <dj@redhat.com>
15103 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15104 the 16 bit shift limit of the m16c.
15106 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15109 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15110 * config/i386/i386.c (output_set_got): Output the label if we have one
15111 for the TARGET_DEEP_BRANCH_PREDICTION case.
15113 2006-01-19 Jan Hubicka <jh@suse.cz>
15114 H.J. Lu <hongjiu.lu@intel.com>
15115 Evandro Menezes <evandro.menezes@amd.com>
15117 * invoke.texi (generic): Document
15119 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15120 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15121 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15122 (x86_use_incdec, x86_pad_returns): New variables
15123 (TARGET_CPU_DEFAULT_generic): New constant
15124 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15125 (enum processor_type): Add generic32 and generic64.
15126 * i386.md (cpu attribute): Add generic32/generic64
15127 (movhi splitter): Behave sanely when both partial_reg_dependency and
15128 partial_reg_stall are set.
15129 (K8 splitters): Enable for generic as well.
15130 * predicates.md (incdec_operand): Use TARGET_INCDEC
15131 (aligned_operand): Avoid memory mismatch stalls.
15132 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15133 * ppro.md: Enable for generic32
15134 * i386.c (generic64_cost, generic32_cost): New.
15135 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15136 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15137 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15138 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15139 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15140 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15141 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15142 x86_accumulate_outgoing_args, x86_prologue_using_move,
15143 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15144 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15145 Enable for generic.
15146 (x86_use_incdec, x86_pad_returns): New.
15147 (override_options): Add generic32 and generic64, translate "generic"
15148 to generic32/generic64 and "i686" to "generic32", refuse
15149 "generic32"/"generic64" as arch target.
15150 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15151 (ix86_reorg): Honor PAD_RETURNS.
15153 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15155 * tree-pretty-print.c (dump_generic_node): Handle
15156 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15157 * cgraph.c (cgraph_expand_queue): Rename from
15158 cgraph_analyze_queue. Update all users.
15159 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15160 cgraph_expand_queue.
15161 (cgraph_expand_all_functions): Likewise.
15162 (cgraph_finalize_pending_functions): Remove. Update callers.
15164 * tree.h (OMP_DIRECTIVE_P): Define.
15165 (OMP_PARALLEL_FN): Define.
15166 (OMP_PARALLEL_DATA_ARG): Define.
15167 (OMP_SECTIONS_SECTIONS): Define.
15168 * tree-pass.h (pass_expand_omp): Declare.
15169 * omp-low.c (struct omp_region): Declare.
15170 (struct omp_context): Remove fields 'parallel_type',
15171 'parallel_start_ix' and 'parallel_start_additional_args'.
15173 (struct omp_for_data): Rename from struct expand_omp_for_data.
15174 (omp_regions): New static variable.
15175 (root_omp_region): New static variable.
15176 (find_omp_clause): Make static.
15177 (is_in_combined_parallel_ctx): Remove.
15178 (is_combined_parallel): New.
15179 (extract_omp_for_data): Move earlier in the file.
15180 (workshare_safe_to_combine_p): New.
15181 (get_ws_args_for): New.
15182 (determine_parallel_type): Move earlier in the file.
15183 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15185 (omp_copy_decl): Likewise.
15186 (create_omp_child_function): Likewise.
15187 (lookup_omp_region): New.
15188 (dump_omp_region): New.
15189 (debug_omp_region): New.
15190 (debug_all_omp_regions): New.
15191 (new_omp_region): New.
15192 (scan_omp_parallel): If parallel_nesting_level > 1, the
15193 directive is nested within another parallel directive.
15194 Set OMP_PARALLEL_FN.
15195 (scan_omp_for): Do not try to handle combined parallel+for
15197 Remove FIXME comment.
15198 (scan_omp_nested): Remove.
15199 (scan_omp_1): Do not call scan_omp_nested when
15200 parallel_nesting_level is > 1.
15201 Do not change the DECL_CONTEXT of local variables found.
15202 (lookup_decl_in_outer_ctx): New.
15203 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15204 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15205 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15206 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15207 If CTX is nested, lookup VAR in the outer context when
15208 building copy assignment.
15209 (lower_send_clauses): Rename from expand_send_clauses.
15210 If CTX is nested, lookup VAR in the outer context when
15211 building copy assignments.
15212 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15213 If CTX is nested, lookup VAR in the outer context when
15214 building copy assignments.
15215 (expand_parallel_call): Rename from build_parallel_call.
15216 Handle combined parallel+workshare cases.
15217 Re-implement to emit code into the CFG.
15219 (expand_omp_parallel): Re-implement to emit code into the CFG.
15220 Call move_sese_region_to_fn to outline the sub-graph
15221 containing the parallel region.
15222 (expand_omp_for_1): Remove.
15223 (expand_omp_for_generic): Re-implement to emit code into the
15225 (expand_omp_for_static_nochunk): Likewise.
15226 (expand_omp_for_static_chunk): Likewise.
15227 (expand_omp_for): Likewise.
15228 (expand_omp_sections): Likewise.
15229 (remove_exit_barriers): New.
15230 (expand_omp_synch): New.
15232 (build_omp_regions_1): New.
15233 (build_omp_regions): New.
15234 (execute_expand_omp): New.
15235 (gate_expand_omp): New.
15236 (pass_expand_omp): Define.
15237 (lower_omp_sections): Rename from expand_omp_sections.
15238 Set OMP_SECTIONS_SECTIONS.
15239 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15240 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15241 (lower_omp_single): Rename from expand_omp_simple.
15242 (lower_omp_master): Rename from expand_omp_master.
15243 (lower_omp_ordered): Rename from expand_omp_ordered.
15244 (lower_omp_critical): Rename from expand_omp_critical.
15245 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15246 (lower_omp_for): Re-implement.
15247 (lower_omp_parallel): Re-implement.
15248 (lower_regimplify): Rename from expand_regimplify.
15249 (lower_omp_1): Rename from expand_omp_1.
15250 If there are syntax errors in the program, replace every
15251 OpenMP directive with NOP.
15252 Call lower_omp_* instead of expand_omp_*.
15253 (lower_omp): Rename from expand_omp.
15255 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15256 * tree-gimple.h (enum omp_parallel_type): Remove.
15257 (gimple_boolify): Declare extern.
15258 (find_omp_clause, determine_parallel_type): Remove.
15260 * gimple-low.c (lower_omp_directive): New.
15261 (lower_stmt): Call it.
15262 (record_vars_into): Move from ...
15263 (record_vars): ... here.
15264 Call record_vars_into with current_function_decl.
15266 * gimplify.c (struct gimplify_ctx): Remove fields
15267 combined_pre_p and combined_ctxp. Update users.
15268 (get_formal_tmp_var): Add documentation.
15269 (gimple_boolify): Make extern.
15270 (gimplify_expr_in_ctx): Remove. Update callers.
15271 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15272 will always be a BIND_EXPR.
15273 (gimplify_expr): Handle OMP_RETURN_EXPR.
15274 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15275 (OMP_PARALLEL): Add 3 operands.
15276 (OMP_SECTIONS): Add 1 operand.
15277 (OMP_RETURN_EXPR): Define.
15279 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15280 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15281 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15282 creating a circular free list.
15283 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15285 * tree-flow.h (move_sese_region_to_fn): Declare.
15286 (record_vars_into): Declare.
15287 * tree-cfg.c (make_omp_sections_edges): New.
15288 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15289 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15290 OMP_SECTIONS and OMP_SECTION.
15291 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15292 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15293 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15294 (gather_blocks_in_sese_region): New.
15295 (struct move_stmt_d): Declare.
15296 (move_stmt_r): New.
15297 (move_block_to_fn): New.
15298 (move_sese_region_to_fn): New.
15300 * passes.c (init_optimization_passes): Schedule
15301 pass_expand_omp after pass_init_datastructures.
15303 * tree-ssa-operands.c (get_expr_operands): Handle
15304 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15305 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15307 2006-01-19 Jeff Law <law@redhat.com>
15309 * tree-vrp.c (extract_range_from_assert): Refine the result range
15310 if the variable referenced by the ASSERT_EXPR has a range and
15311 either the tentative result range or the previous range is a
15314 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15316 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15318 2006-01-19 Jan Hubicka <jh@suse.cz>
15320 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15322 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15324 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15325 (expand_compound_operation, expand_field_assignment): Fail if the
15326 bit lengths of an extract operation are out of range.
15327 (make_extraction): Compute wanted_inner_mode based on the position
15328 and length of the extraction. Make it extraction_mode for non-constant
15329 positions, and do not modify offset in that case. When generating a
15330 new MEM, use a mode that can hold the extraction while keeping correct
15331 alignment. Remove code that supported MEMs wrapped by USEs.
15332 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15334 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15336 * config/s390/s390.md ("Y", "y"): New mode attribute.
15337 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15338 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15339 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15340 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15341 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15342 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15343 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15344 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15345 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15346 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15347 "addsi3", "subsi3"): Insn patterns removed.
15348 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15349 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15350 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15351 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15352 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15353 "*sub<mode>3_cconly2"): New insn patterns.
15354 ("addsi3", "subsi3"): New expanders.
15356 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15358 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15359 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15360 existing STMT_VINFO_VECTYPE if available.
15361 (vect_mark_relevant): Add special handling for stmts that are
15362 marked as STMT_VINFO_IN_PATTERN_P.
15363 (vect_analyze_loop): Call vect_pattern_recog.
15364 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15365 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15367 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15368 (vect_recog_func_ptr): New function-pointer type.
15369 * tree-vect-patterns.c: New file.
15370 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15371 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15372 (vect_pattern_recog_1): New functions.
15373 (vect_pattern_recog_funcs): New array of function pointers.
15375 * tree-vectorizer.h (ternary_op): New enum value.
15376 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15377 declaration. Revised documentation. Removed redundant dump prints.
15378 Removed redundant argument. Added support for reduction patterns.
15379 (vectorizable_reduction): Added support for reduction patterns.
15380 (vect_transform_stmt): Added support for patterns.
15382 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15383 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15384 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15385 (expand_widen_pattern_expr): New function.
15386 (init_optabs): Initialize new optabs udot_prod_optab,
15388 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15389 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15390 (expand_widen_pattern_expr): New function declaration.
15391 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15393 * tree-inline.c (estimate_num_insns_1): Added cases for new
15394 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15395 * tree-pretty-print.c (dump_generic_node): Likewise.
15396 (op_prio): Likewise.
15397 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15398 * tree-ssa-operands.c (get_expr_operands): Added case for
15400 * tree-vect-patterns.c (widened_name_p): New function.
15401 (vect_recog_dot_prod_pattern): Added function implementation.
15402 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15403 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15404 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15405 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15407 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15408 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15409 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15410 (init_optabs): Initialize new optabs widen_ssum_optab,
15412 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15413 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15414 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15415 use instead of type of def.
15416 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15417 function implementation.
15418 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15419 widen_ssumv8hi): New.
15421 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15424 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15427 * c-decl.c (add_flexible_array_elts_to_size): New function.
15428 (finish_decl): Use it.
15430 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15432 * diagnostic.h: Include options.h.
15433 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15434 dependancies for diagnostic.h.
15435 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15437 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15439 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15440 (ssa_ro_call_cache_valid): Ditto.
15441 * tree-ssa-alias.c (sort_tags_by_id): New function.
15442 (init_transitive_clobber_worklist): Ditto.
15443 (add_to_worklist): Ditto.
15444 (mark_aliases_call_clobbered): Ditto.
15445 (compute_tag_properties): Ditto.
15446 (set_initial_properties): Ditto.
15447 (compute_call_clobbered): Ditto.
15448 (compute_may_aliases): Call compute_call_clobbered and grouping.
15449 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15450 (compute_flow_insensitive_aliasing): Grouping now happens in our
15452 (setup_pointers_and_addressables): Remove clobbering related code.
15453 (add_may_alias): Ditto.
15454 (replace_may_alias): Ditto.
15455 (get_nmt_for): Ditto.
15456 (create_global_var):
15457 (is_escape_site): Return an escape_type enumeration.
15458 * tree-flow-inline.h (is_call_clobbered): Global var does not
15459 imply call clobbered.
15460 (mark_call_clobbered): Take a reason for marking this. Remove
15461 marking of globalness, and cache invalidation.
15462 (clear_call_clobbered): Remove cache invalidation code.
15463 * tree-dfa.c (dump_variable): If details is on, dump the reason
15465 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15467 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15468 (struct var_ann_d): Ditto.
15469 (enum escape_type): New.
15470 (mark_call_clobbered): Adjust prototype.
15471 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15472 are never call clobbered.
15473 Record reasons for escaping.
15474 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15475 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15476 (ssa_ro_call_cache_valid): Ditto.
15477 (clobbered_v_may_defs): Ditto.
15478 (clobbered_vuses): Ditto.
15479 (ro_call_vuses): Ditto.
15480 (clobber_stats): New.
15481 (init_ssa_operands): Zero out clobber stats.
15482 (fini_ssa_operands): Print out clobber stats.
15483 (get_call_expr_operands): Pass callee fndecl to
15484 add_call_read_ops).
15485 (add_call_clobber_ops): Remove use of cache.
15486 Add use of PURE_CONST information.
15487 (add_call_read_ops): Remove use of cache.
15488 Add use of static not_read information.
15490 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15492 Introduce TLS descriptors for i386 and x86_64.
15493 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15494 (TARGET_ANY_GNU_TLS): New macro.
15495 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15496 (struct machine_function): Add tls_descriptor_call_expanded_p.
15497 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15498 (ix86_current_function_calls_tls_descriptor): Likewise.
15499 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15500 (override_options): Introduce gnu2 tls dialect.
15501 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15503 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15505 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15506 (ix86_init_machine_status): Initialize new field.
15507 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15508 (ix86_tls_module_base): New.
15509 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15510 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15511 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15512 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15513 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15514 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15515 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15516 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15517 * config/i386/predicates.md (tls_modbase_operand): New.
15518 (tp_or_register_operand): New.
15520 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15522 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15523 (look_for_address_of): Ditto.
15524 (ipa_init): Walk the function decls.
15525 (static_execute): Don't set readonly on FUNCTION_DECL's.
15527 2006-01-18 Roger Sayle <roger@eyesopen.com>
15529 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15530 for shifts where the source and destination registers are different.
15532 2006-01-18 Paul Brook <paul@codesourcery.com>
15534 Merge from csl-arm-branch.
15535 2005-03-14 Julian Brown <julian@codesourcery.com>
15536 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15537 (aeabi_llsl): Likewise.
15538 (ashrdi3): Likewise.
15539 (aeabi_lasr): Likewise.
15540 (lshrdi3): Likewise.
15541 (aeabi_llsr): Likewise.
15542 2005-03-10 Julian Brown <julian@codesourcery.com>
15543 * config.gcc: Disable shared libgcc for SymbianOS.
15544 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15546 2006-01-18 DJ Delorie <dj@redhat.com>
15548 * c-pragma.c (handle_pragma_diagnostic): New.
15549 (init_pragma): Register it.
15550 * doc/extend.texi: Document it.
15552 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15553 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15554 (diagnostic_context): Add classify_diagnostic[].
15555 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15556 as errors if they're overridden to DK_WARNING.
15557 (diagnostic_initialize): Initialize classify_diagnostic[].
15558 (diagnostic_set_kind_override): New.
15559 (diagnostic_report_diagnostic): Check for kind changes.
15560 * opts.c (common_handle_option): Take lang_mask. Update callers.
15561 Handle OPT_Werror_.
15562 * common.opt (Werror=): New.
15563 * doc/invoke.texi: Document -Werror=*
15565 2006-01-18 Jeff Law <law@redhat.com>
15567 * tree-vrp.c (test_for_singularity): Correct test for new
15568 min limit. Use operand_equal_p rather than pointer equality
15569 for testing if new min/max values are equal.
15571 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15572 using range information until after propagation and folding.
15574 2006-01-18 Richard Henderson <rth@redhat.com>
15575 Aldy Hernandez <aldyh@redhat.com>
15576 Jakub Jelinek <jakub@redhat.com>
15577 Diego Novillo <dnovillo@redhat.com>
15579 * omp-low.c: New file.
15580 * c-omp.c: New file.
15582 2006-01-18 Richard Henderson <rth@redhat.com>
15583 Jakub Jelinek <jakub@redhat.com>
15584 Diego Novillo <dnovillo@redhat.com>
15586 * doc/invoke.texi: Document -fopenmp.
15587 * tree-dump.h (debug_function): Declare.
15588 * hooks.c (hook_bool_tree_bool_false): New function.
15589 (hook_tree_tree_null): Remove.
15590 (hook_tree_tree_tree_null): New.
15591 * hooks.h: Update to match.
15592 * tree-pretty-print.c (debug_tree_chain): New.
15593 (print_generic_expr): Handle TDF_CHAIN.
15594 (dump_generic_node): Handle BLOCK.
15595 Do not abort with incomplete SWITCH_EXPRs.
15596 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15597 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15598 print space after directive name.
15599 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15600 Handle OMP_MASTER and OMP_ORDERED.
15601 Handle printing of OMP_BODY just in one place, goto
15602 dump_omp_body in the rest of OMP_* nodes that have
15604 Don't handle clause nodes here. Update omp statements to
15605 use dump_omp_clauses.
15606 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15607 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15608 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15609 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15610 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15611 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15612 Adjust output for GOMP_PARALLEL.
15613 (dump_omp_clauses): New.
15614 (print_declaration): Dump DECL_VALUE_EXPR.
15615 (op_symbol_1): Split out of op_symbol.
15616 (dumping_stmts): Remove. Update all users.
15617 * cgraph.c (cgraph_analyze_queue): New.
15618 (cgraph_add_new_function): New.
15619 * cgraph.h (cgraph_analyze_queue): Declare.
15620 (cgraph_add_new_function): Declare.
15621 (cgraph_lower_function): Remove.
15622 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15623 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15624 and TYPE_P nodes in its default clause.
15625 (empty_body_p): New.
15626 (tree_range_check_failed): New.
15627 (build5_stat): New.
15628 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15629 OMP_CLAUSE_REDUCTION_MERGE,
15630 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15631 OMP_CLAUSE_PRIVATE_DEBUG,
15632 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15633 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15634 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15635 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15636 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15637 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15638 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15639 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15640 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15641 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15642 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15643 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15644 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15645 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15646 (TREE_RANGE_CHECK): New.
15647 (empty_body_p): Declare.
15648 (enum omp_clause_default_kind): New.
15649 (build_string_literal): Declare.
15650 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15651 (build5_stat, build5): Declare.
15652 * tree-pass.h (TDF_CHAIN): Define.
15653 * tree-pass.h (PROP_gimple_lomp): Define.
15654 (pass_lower_omp): Declare.
15655 * diagnostic.h (debug_tree_chain): Declare.
15656 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15658 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15659 * builtins.c (build_string_literal): Make extern.
15660 * gcc.c (include_spec_function): New.
15661 (static_spec_functions): Add it.
15662 (main): Move load of libgomp.spec ...
15663 (LINK_COMMAND_SPEC): ... here.
15664 (link_gomp_spec): New.
15665 (static_specs): Include it.
15666 (LINK_COMMAND_SPEC): Add link_gomp.
15667 (GOMP_SELF_SPECS): New.
15668 (driver_self_specs): Include it.
15669 (switch_matches): Don't mark inline.
15670 (main): Load libgomp.spec.
15671 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15672 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15673 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15674 * tree-gimple.h (enum omp_parallel): Declare.
15675 (determine_parallel_type): Declare.
15676 (omp_firstprivatize_variable): Declare.
15677 (omp_reduction_init): Declare.
15678 (diagnose_omp_structured_block_errors): Declare.
15679 (struct walk_stmt_info): Add want_return_expr.
15680 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15681 (find_omp_clause): Declare.
15682 (insert_field_into_struct): Declare.
15683 (struct walk_stmt_info): Move from tree-nested.c
15684 (walk_stmts): Declare.
15685 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15687 * cgraphunit.c (cgraph_lower_function): Make static.
15688 (cgraph_finalize_pending_functions): New.
15689 (cgraph_finalize_function): Call it.
15690 (cgraph_finalize_compilation_unit): Likewise.
15691 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15692 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15693 (BT_FN_UINT_UINT): New.
15694 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15695 DEF_FUNCTION_TYPE_VAR_4): Document.
15696 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15697 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15698 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15699 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15700 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15701 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15702 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15703 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15704 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15705 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15706 into separate files.
15707 (DEF_GOMP_BUILTIN): New.
15708 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15709 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15710 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15711 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15712 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15713 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15714 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15715 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15716 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15717 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15718 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15719 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15720 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15721 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15722 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15723 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15724 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15725 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15726 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15727 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15728 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15729 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15730 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15731 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15732 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15733 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15734 * sync-builtins.def: New file, moved from builtins.def.
15735 * omp-builtins.def: New file, moved from builtins.def.
15736 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15737 * gimple-low.c (lower_function_body): Clear data.
15738 (lower_stmt): Do not handle COMPOUND_EXPR.
15739 Remove call to print_node_brief.
15740 * c-tree.h (c_finish_omp_clauses): New prototype.
15741 (C_DECL_THREADPRIVATE_P): Define.
15742 (lookup_name_no_remap, c_omp_remap_private): Remove
15743 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15744 (check_for_loop_decls): Update decl.
15745 (lookup_name_no_remap, c_omp_remap_private): Declare.
15746 (build_indirect_ref, build_modify_expr, pushdecl,
15747 pushdecl_top_level): Move to c-common.h.
15748 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15749 before the switch, but just in the 2 places that need it.
15750 * c-decl.c (diagnose_mismatched_decls): Do not check for
15751 mismatched thread-local attributes when OLDDECL is marked
15752 threadprivate and NEWDECL has no thread-local attributes.
15753 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15754 (c_gimple_diagnostics_recursively): Rename from
15755 c_warn_unused_result_recursively. Invoke
15756 diagnose_omp_structured_block_errors.
15757 (check_for_loop_decls): Return a singular decl found.
15758 * langhooks.c (lhd_omp_predetermined_sharing): Return
15759 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15760 (lhd_omp_firstprivatize_type_sizes): New.
15761 (lhd_omp_assignment): New.
15762 (lhd_omp_predetermined_sharing): New.
15763 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15764 (struct lang_hooks_for_types): Add
15765 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15766 omp_predetermined_sharing, omp_disregard_value_expr,
15767 omp_private_debug_clause, omp_clause_default_ctor,
15768 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15769 (c_finish_omp_clauses): New.
15770 (c_finish_bc_stmt): Diagnose break within omp for.
15771 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15772 (build_unary_op): Return error_mark after reporting
15774 (build_modify_expr): Likewise.
15775 * gimplify.c: Include optabs.h and pointer-set.h.
15776 (enum gimplify_omp_var_data): Declare.
15777 (struct gimplify_omp_ctx): Declare.
15778 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15780 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15781 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15782 (splay_tree_compare_decl_uid): New.
15783 (new_omp_context): New.
15784 (delete_omp_context): New.
15785 (gimple_add_tmp_var): Call omp_add_variable.
15786 (gimplify_bind_expr): Likewise.
15787 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15788 true, disregard DECL_VALUE_EXPR on the decl if any.
15789 (gimplify_expr_in_ctx): New.
15790 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15791 omp_add_variable, omp_notice_variable, omp_is_private
15792 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15793 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15794 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15795 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15796 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15797 gimplify_omp_atomic): New.
15798 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15799 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15800 OMP_CRITICAL and OMP_ATOMIC.
15801 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15802 * c-pragma.h (enum pragma_kind): Add
15803 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15804 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15805 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15806 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15807 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15808 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15809 PRAGMA_OMP_THREADPRIVATE.
15810 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15811 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15812 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15813 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15814 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15815 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15816 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15817 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15818 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15819 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15820 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15821 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15822 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15824 (struct nesting_info): Add field_map,
15825 suppress_expansion, debug_var_chain.
15826 (create_nesting_tree): Initialize them.
15827 (lookup_field_for_decl): Use field_map.
15828 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15829 (convert_local_omp_clauses): New.
15830 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15831 (walk_body): Split out of walk_function.
15832 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15833 (convert_nonlocal_reference): Handle omp statements.
15834 (convert_local_reference): Likewise.
15835 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15836 (unnest_nesting_tree): New.
15837 (lower_nested_functions): Call it.
15838 (insert_field_into_struct): Make extern.
15839 (struct walk_stmt_info): Move to tree-gimple.h.
15840 (walk_stmts): Make extern.
15841 * omp-builtins.def: New file.
15842 * tree-iterator.c (expr_only): Clarify comment.
15843 * c-common.h (pushdecl_top_level, pushdecl,
15844 build_modify_expr, build_indirect_ref,
15845 c_finish_omp_master, c_finish_omp_critical,
15846 c_finish_omp_ordered, c_finish_omp_barrier,
15847 c_finish_omp_atomic, c_finish_omp_flush,
15848 c_finish_omp_for, c_split_parallel_clauses,
15849 omp_clause_default_kind, c_omp_sharing_predetermined,
15850 c_omp_remap_decl): Declare.
15851 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15852 (OBJS-common): Add omp-low.o.
15853 (c-omp.o, omp-low.o): Add.
15854 (gimplify.o): Add dependency on $(OPTABS_H).
15855 (GTFILES): Add omp-low.c.
15856 (gt-stringpool.h): Add.
15857 * tree-cfg.c (set_bb_for_stmt): Do not update the
15858 block-to-labels map if we are currently expanding to RTL.
15859 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15861 Handle IDENTIFIER_NODE.
15862 (tree_verify_flow_info): Do not ICE when emitting error
15863 messages about invalid labels.
15864 (dump_function_to_file): Reset CFUN before emitting the body
15866 (debug_function): New.
15867 * passes.c (init_optimization_passes): Schedule
15869 * langhooks-def.h (lhd_omp_predetermined_sharing,
15870 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15872 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15873 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15874 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15875 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15876 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15877 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15878 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15879 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15880 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15881 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15882 (LANG_HOOK_DECLS): Use them.
15884 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15885 Richard Henderson <rth@redhat.com>
15886 Jakub Jelinek <jakub@redhat.com>
15887 Diego Novillo <dnovillo@redhat.com>
15889 * c-parser.c (pragma_omp_clause): Define.
15890 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15891 (c_parser_compound_statement): Likewise.
15892 (c_parser_statement): Likewise.
15893 (c_parser_pragma): Handle omp pragmas.
15894 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15895 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15896 (c_parser_omp_clause_name, check_no_duplicate_clause,
15897 c_parser_omp_variable_list,
15898 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15899 c_parser_omp_clause_copyprivate,
15900 c_parser_omp_clause_default,
15901 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15902 c_parser_omp_clause_lastprivate,
15903 c_parser_omp_clause_nowait,
15904 c_parser_omp_clause_num_threads,
15905 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15906 c_parser_omp_clause_reduction,
15907 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15908 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15909 c_parser_omp_atomic, c_parser_omp_barrier,
15910 c_parser_omp_critical, c_parser_omp_flush,
15911 c_parser_omp_for_loop, c_parser_omp_for,
15912 c_parser_omp_master, c_parser_omp_ordered,
15913 c_parser_omp_sections_scope, c_parser_omp_sections,
15914 c_parser_omp_parallel, c_parser_omp_single,
15915 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15916 * c-pragma.c (init_pragma): Do omp pragma registration here.
15917 * c.opt (fopenmp): New flag.
15919 2006-01-18 Eric Christopher <echristo@apple.com>
15921 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15922 * config/darwin.h (GOMP_SELF_SPECS): Define.
15924 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15926 * rtl.h: Remove the prototype for reg_alloc.
15928 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15931 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15932 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15933 sjlj and dwarf2 exception handling.
15934 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15935 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15936 * pa/pa.c (function_value): Treat complex and vector types as
15938 (function_arg): Likewise. Only pass scalar floats in the floating
15939 point argument registers.
15940 * pa/t-slibgcc-dwarf-ver: New file.
15941 * pa/t-slibgcc-sjlj-ver: New file.
15942 * pa/t-slibgcc-elf-ver: Delete file.
15944 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15946 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15947 unlikely_test_section_p test.
15949 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15951 * mode-switching.c (optimize_mode_switching): Make it static.
15952 * basic-block.h: Remove the prototype for
15953 optimize_mode_switching.
15955 * modulo-sched.c (sms_schedule): Make it static.
15956 * rtl.h: Remove the prototype for sms_schedule.
15958 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15959 * rtl.h: Remove the prototype for gcse_after_reload_main.
15961 * reg-stack.c (reg_to_stack): Make it static.
15962 * rtl.h: Remove the prototype for reg_to_stack.
15964 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15966 * rtl.h: Remove the prototypes for regrename_optimize and
15967 copyprop_hardreg_forward.
15969 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15971 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15972 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15973 Test against the appropriate null constant for the mode.
15974 If 'fixup_overlap' is true, swap the operands if they overlap.
15975 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15976 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15977 alpha_split_tmode_pair and adjust for above change.
15978 * config/alpha/alpha.md (movtf_internal): Adjust call to
15979 alpha_split_tfmode_pair and rely on it to swap the operands.
15980 (movti_internal): New insn and post-reload splitter.
15981 (movti): New expander.
15983 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15985 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15988 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15990 * rtlanal.c (global_reg_mentioned_p_1,
15991 global_reg_mentioned_p): Remove.
15992 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15994 * flow.c (initialize_uninitialized_subregs): Make it static.
15995 * rtl.h: Remove the prototype for
15996 initialize_uninitialized_subregs.
15998 * function.c (instantiate_virtual_regs): Make it static.
15999 * function.h: Remove the prototype for
16000 instantiate_virtual_regs.
16002 * regmove.c (regmove_optimize, combine_stack_adjustments):
16004 * rtl.h: Remove the prototypes for regmove_optimize and
16005 combine_stack_adjustments.
16007 2006-01-17 Roger Sayle <roger@eyesopen.com>
16009 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16010 (size_cost): Encode costs in bytes so that a reg-reg addition is
16011 equivalent to COSTS_N_INSNS(1).
16012 (override_options): Use the size_cost.branch_cost as the default
16013 ix86_branch_cost when optimizing for size.
16015 2006-01-18 Ben Elliston <bje@au.ibm.com>
16017 * Makefile.in (D32PBIT_FUNCS): New.
16018 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16019 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16020 D64PBIT_FUNCS and D128PBIT_FUNCS.
16021 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16022 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16024 (decnumber_dep): Define.
16025 * doc/libgcc.texi (Decimal float library routines): New node.
16026 * config/dfp-bit.h, config/dfp-bit.c: New files.
16028 2006-01-18 Ben Elliston <bje@au.ibm.com>
16030 * expr.c (emit_move_change_mode): Always adjust addresses, not
16031 just during reload. Copy replacements only during reload.
16032 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16033 emit_move_via_integer.
16035 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16037 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16038 instead of $(srcdir) and ${srcdir}.
16040 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16043 PR middle-end/11135
16044 * arm.h (struct machine_function): Add pic_reg.
16045 * arm.c (arm_pic_register): Make unsigned.
16046 (arm_override_options): Only set arm_pic_register if
16047 TARGET_SINGLE_PIC_BASE.
16048 (use_return_insn): Only test for a pic register if it is fixed.
16049 (arm_compute_save_reg0_reg12_mask): Likewise.
16050 (thumb_compute_save_reg_mask): Likewise.
16051 (legitimate_pic_operand): Factor out some known invariants.
16052 (legitimize_pic_address): If we don't have a fixed pic register,
16053 then set up a pseudo in the function entry sequence. Handle the
16054 pic base being in a pseudo.
16055 (arm_load_pic_register): Handle the pic register being in a pseudo.
16056 (arm_expand_prologue): Only set up the pic register if it is fixed.
16057 (thumb_expand_prologue): Likewise.
16058 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16059 (pic_load_addr_based_insn): Likewise.
16060 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16063 2006-01-18 Ben Elliston <bje@au.ibm.com>
16065 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16066 decimal float modes for all floating point registers.
16068 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16069 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16071 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16074 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16075 even when the pointer is not NULL.
16077 2006-01-16 Ian Lance Taylor <ian@airs.com>
16079 * common.opt (ftoplevel-reorder): New option.
16080 * cgraph.c (cgraph_asm_nodes): New global variable.
16081 (cgraph_asm_last_node): New static variable.
16082 (cgraph_order): New global variable.
16083 (cgraph_create_node): Set new order field.
16084 (cgraph_varpool_node): Likewise.
16085 (decide_is_variable_needed): Return true if not
16086 flag_toplevel_reorder.
16087 (cgraph_add_asm_node): New function.
16088 * cgraph.h (struct cgraph_node): Add order field.
16089 (struct cgraph_varpool_node): Add order field.
16090 (struct cgraph_asm_node): Define.
16091 (cgraph_asm_nodes, cgraph_order): Declare.
16092 (cgraph_add_asm_node): Declare.
16093 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16095 (cgraph_varpool_assemble_pending_decls): Call it.
16096 (cgraph_output_pending_asms): New static function.
16097 (cgraph_finalize_compilation_unit): Call it.
16098 (struct cgraph_order_sort): Define.
16099 (cgraph_output_in_order): New static function.
16100 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16101 !flag_toplevel_reorder case.
16102 * c-parser.c: Include "cgraph.h".
16103 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16105 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16106 than -fno-unit-at-a-time.
16107 * doc/invoke.texi (Option Summary): Mention
16108 -fno-toplevel-reorder.
16109 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16110 -funit-at-a-time documentation.
16112 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16113 Kazu Hirata <kazu@codesourcery.com>
16115 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16117 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16119 * Makefile.in (FUNCTION_H): New. Use it instead of
16120 function.h throughout the file.
16121 * function.h: Include tree.h.
16123 2006-01-17 Ben Elliston <bje@au.ibm.com>
16125 * recog.c: Separate some functions with whitespace.
16127 2006-01-16 Richard Henderson <rth@redhat.com>
16129 Merge from gomp branch:
16130 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16131 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16132 and rename from struct inline_data. Rename callee* to dst*;
16133 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16134 transform_new_cfg, transform_return_to_modify, and
16135 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16137 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16138 (copy_decl_for_dup): Remove.
16139 * tree-inline.c (struct inline_data): Move to header.
16140 (insert_decl_map): Export.
16141 (remap_decl): Update for member name changes. Use copy_decl hook.
16142 Allow for replacement to be a non-decl. Remove dead code.
16143 (remap_type_1): Check for existing mapping.
16144 (remap_type): Export.
16145 (remap_decls): Update for member name changes.
16146 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16147 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16148 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16149 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16150 (tree_function_versioning, build_duplicate_type): Likewise.
16151 (copy_body_r): Likewise. Export.
16152 (copy_decl_for_dup): Split into ...
16153 (copy_decl_for_dup_finish, copy_decl_to_var,
16154 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16155 (replace_ref_tree, inlining_p): Remove.
16157 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16159 * ifcvt.c (if_convert): Make it static.
16160 * rtl.h: Remove the prototype for if_convert.
16162 * local-alloc.c (local_alloc): Make it static.
16163 * rtl.h: Remove the prototype for local_alloc.
16165 * loop.c (loop_optimize): Make it static.
16166 * cfgloop.h: Remove the prototype for loop_optimize.
16169 2006-01-16 DJ Delorie <dj@redhat.com>
16171 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16174 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16176 * pa.md: Disparage copies between general and floating-point registers
16177 in 32-bit move patterns.
16179 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16182 * Makefile.in (check-%): Depend on site.exp instead of
16183 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16186 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16188 * global.c (global_alloc): Make it static.
16189 * rtl.h: Remove the prototype for global_alloc.
16191 2006-01-16 Richard Guenther <rguenther@suse.de>
16193 * tree-ssa-alias.c (struct used_part): Add write_only field.
16194 (get_or_create_used_part_for): Initialize it to true.
16195 (create_overlap_variables_for): Don't create structure variables
16196 for structures that only are written to.
16197 (find_used_portions): Handle MODIFY_EXPR to track whether a
16198 structure is only written to.
16200 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16202 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16204 * basic-block.h: Remove the prototype for
16205 partition_hot_cold_basic_blocks.
16207 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16209 * cppspec.c (lang_specific_spec_functions): Remove.
16210 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16211 * gcc.h (lang_specific_spec_functions): Remove.
16212 * gccspec.c (lang_specific_spec_functions): Remove.
16214 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16216 * combine.c (record_value_for_reg): Invalidate registers
16218 (record_dead_and_set_regs_1): Likewise, by passing them to
16219 record_value_for_reg.
16220 (record_dead_and_set_regs): Invalidate stores made by a
16221 call. We do not combine across a call, but we still
16222 relied on equivalences.
16224 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16226 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16227 vrp_int_const_binop returning non-constant nodes.
16229 2006-01-16 Paul Brook <paul@codesourcery.com>
16231 * config/m68k/m68k.c (output_move_const_into_data_reg):
16232 Output correct mnemonic for mvz and mvs.
16234 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16236 * rtl-factoring.c: Add sequence abstraction algorithm.
16237 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16238 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16240 (block_has_preserve_label): New function.
16241 * common.opt: Register new pass.
16242 * Makefile.in: Ditto.
16244 * timevar.def: Ditto.
16245 * tree-pass.h: Ditto.
16246 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16247 * rtl.h (make_jump_insn_raw): Add forward decl.
16248 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16250 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16251 Roger Sayle <roger@eyesopen.com>
16253 * fold-const.c (fold_minmax): New static function.
16254 (fold_binary) <MIN_EXPR>: Call it.
16255 <MAX_EXPR>: Likewise.
16256 * stor-layout.c (place_field): Use DECL_SIZE consistently
16257 in the computation of the new record size.
16259 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16261 * cse.c (cse_condition_code_reg): Make it static.
16262 * rtl.h: Remove the prototype for cse_condition_code_reg.
16264 * combine.c (combine_instructions): Make it static.
16265 * rtl.h: Remove the prototype for combine_instructions.
16267 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16270 * tree.c (get_file_function_name_long): Concatenate the first global
16271 object name with a string derived from the input filename of the object
16274 2006-01-16 Ben Elliston <bje@au.ibm.com>
16276 * config/i386/winnt-stubs.c: Update FSF address.
16277 * config/xtensa/ieee754-df.S: Ditto.
16278 * config/xtensa/ieee754-sf.S: Ditto.
16280 2006-01-14 Ian Lance Taylor <ian@airs.com>
16282 * ifcvt.c (noce_init_if_info): New static function, broken out of
16283 noce_process_if_block.
16284 (noce_process_if_block): Call noce_init_if_info.
16285 (check_cond_move_block): New static function.
16286 (cond_move_process_if_block): New static function.
16287 (process_if_block): Call cond_move_process_if_block.
16289 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16291 * cselib.c (hash_table): Rename to cselib_hash_table.
16292 (cselib_clear_table, discard_useless_values,
16293 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16294 cselib_init, cselib_finish): Adjust uses of hash_table.
16296 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16298 PR tree-optimization/25485
16299 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16300 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16301 is known to be false and true, respectively.
16303 2006-01-14 Richard Guenther <rguenther@suse.de>
16305 PR tree-optimization/22548
16306 PR tree-optimization/22555
16307 PR tree-optimization/22501
16308 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16309 * params.def (salias-max-array-elements): New parameter.
16310 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16311 * doc/invoke.texi (salias-max-array-elements): Document.
16312 * tree-flow-inline.h (var_can_have_subvars): We also handle
16314 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16316 * tree-ssa-structalias.c (params.h): Include.
16317 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16318 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16319 (get_constraint_for): For ADDR_EXPR operating on something
16320 containing an ARRAY_REF, add all subvars to the solution.
16321 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16322 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16323 for creating MUST_DEFs.
16324 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16326 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16328 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16330 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16331 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16332 number_of_iterations_le): New functions.
16333 (number_of_iterations_special): Removed.
16334 (number_of_iterations_exit): Do not use number_of_iterations_special.
16335 * tree.c (unsigned_type_for): Always return integer type.
16337 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16338 Richard Guenther <rguenther@suse.de>
16340 PR rtl-optimization/24257
16341 * gcse.c (find_moveable_store): Only consider a store movable
16342 when the SET_SRC of the insn can be assigned to a register.
16344 2006-01-14 Ian Lance Taylor <ian@airs.com>
16346 * tree.c (tree_not_class_check_failed): New function.
16347 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16348 (tree_not_class_check_failed): Declare.
16350 2006-01-13 Ian Lance Taylor <ian@airs.com>
16352 * reload1.c (do_output_reload): Add assertion rejecting a
16355 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16357 * combine.c (struct reg_stat): Add new fields truncation_label and
16359 (record_value_for_reg): Reset truncated_to_mode.
16360 (record_truncated_value): New function.
16361 (check_promoted_subreg): Call it. Rename to check_conversions.
16362 (combine_instructions): Rename check_promoted_subreg to
16364 (reg_truncated_to_mode): New function.
16365 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16366 (gen_lowpart_or_truncate): New function.
16367 (force_to_mode): Use it instead of gen_lowpart.
16369 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16371 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16372 VAR is a tag, not its type tag.
16374 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16376 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16377 alternatives to match style of other entries.
16378 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16380 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16382 PR tree-optimization/25771
16383 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16386 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16389 * tree-inline.c (declare_return_variable): If the return variable
16390 was marked as a non gimple complex, set the return slot variable
16391 to be a non gimple comple variable.
16393 2006-01-13 Richard Guenther <rguenther@suse.de>
16395 * builtins.c (expand_builtin_sincos): New function.
16396 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16398 (expand_builtin): Expand sincos using expand_builtin_sincos.
16400 2006-01-12 DJ Delorie <dj@redhat.com>
16402 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16403 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16404 so that constant shifts can be split.
16405 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16406 (m32c_valid_pointer_mode): Make static.
16407 (shift_gen_func_for): New.
16408 (m32c_prepare_shift): Use it. Split large const shifts into
16410 * config/m32c/predicates.md (shiftcount_operand): Allow more
16412 (longshiftcount_operand): New.
16413 * doc/md.texi (Machine Constraints): Document In6.
16415 2006-01-13 Ben Elliston <bje@au.ibm.com>
16417 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16418 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16421 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16423 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16424 to try to avoid clobbering pieces of structures when we know
16425 something about the whole structure.
16426 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16428 2006-01-13 Ben Elliston <bje@au.ibm.com>
16430 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16431 return in memory, as this is no limitation is no longer present.
16433 2006-01-12 DJ Delorie <dj@redhat.com>
16435 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16436 mova with fb, and for fb+0 -> An.
16438 * config/m32c/mov.md (peephole2): Fix enabling logic.
16440 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16441 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16442 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16443 FINI_ARRAY_SECTION_ASM_OP): Define.
16445 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16447 (m32c_legitimize_reload_address): New logic to reload FB to An.
16448 (m32c_output_reg_push): Add newline.
16449 (m32c_output_reg_pop): Likewise.
16451 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16453 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16455 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16457 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16459 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16461 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16464 2006-01-11 Ben Elliston <bje@au.ibm.com>
16466 * rtlanal.c (find_reg_note): Assert insn is not null.
16468 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16470 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16473 2006-01-11 Jeff Law <law@redhat.com>
16475 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16477 (mark_threaded_blocks, register_jump_thread): New functions.
16478 (thread_through_all_blocks): Remove unwanted argument. No
16479 longer rely on e->aux to communicate thread target info.
16480 Call mark_threaded_blocks. Release the threaded_blocks
16481 bitmap and threaded_edges vector when complete.
16482 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16483 (threaded_blocks): Remove.
16484 (tree_ssa_dominator_optimize): Remove initialization and
16485 finalization of threaded_blocks. Simplify call to
16486 thread_through_all_blocks.
16487 (thread_across_edge): Call register_jump_thread rather than
16488 storing thread information into e->aux.
16489 (free_all_edge_infos): Simplify now that e->aux is no longer
16490 used to communicate with thread_through_all_blocks.
16491 * tree-flow.h (thread_through_all_blocks): Update prototype.
16492 (register_jump_thread): Prototype.
16494 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16496 * df-core.c (df_compact_blocks, df_bb_replace): Use
16497 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16499 2006-01-11 Richard Guenther <rguenther@suse.de>
16501 PR tree-optimization/25734
16502 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16503 stop propagation after successful propagation to the LHS.
16505 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16507 * basic-block.h (control_flow_graph): Change the type of
16508 x_basic_block_info to VEC(basic_block,gc) *.
16509 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16511 (SET_BASIC_BLOCK): New.
16512 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16513 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16514 * cfgbuild.c (find_basic_blocks): Likewise.
16515 * cfglayout.c (fixup_reorder_chain): Likewise.
16516 * cfgrtl.c (create_basic_block_structure,
16517 rtl_create_basic_block): Likewise.
16518 * ifcvt.c (find_if_case_1): Likewise.
16519 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16522 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16524 * Makefile.in: Removed rotted odf.c entry.
16526 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16529 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16530 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16531 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16532 output pattern modifier, not %e.
16533 * config/cris/cris.c (cris_op_str): Update comment about pattern
16535 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16536 before falling through into...
16537 <case 'E'>: Redefined from old 'e' case.
16539 2006-01-11 Jan Hubicka <jh@suse.cz>
16542 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16544 2006-01-11 Jan Hubicka <jh@suse.cz>
16546 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16547 * i386.c (x86_decompose_lea): Kill.
16548 (ix86_rtx_costs): Kill.
16550 2006-01-11 Jan Hubicka <jh@suse.cz>
16552 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16553 * cgraph.h (cgraph_node): Add inline_decl.
16554 (cgraph_insert_node_to_hashtable): Declare.
16555 (save_inline_function_body): Declare.
16556 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16558 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16559 (cgraph_function_versioning): Update call of tree_function_versioning.
16560 (save_inline_function_body): New function.
16561 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16562 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16563 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16564 (cgraph_default_inline_p): Likewise.
16565 (cgraph_decide_inlining_incrementally): Likewise.
16566 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16567 (copy_bb): Kill saving; do updating of clones.
16568 (copy_cfg_body): Kill saving.
16569 (initialize_inlined-parameters): Likewise.
16570 (expand_call_inline): Likewise.
16572 (tree_function_versioning): New parameter "update_clones".
16573 (inlining_p): Kill saving.
16574 * tree-inline.h (tree_function_versioning): Update prototype.
16575 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16578 2006-01-11 Ian Lance Taylor <ian@airs.com>
16580 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16581 Allow undoing set of machine mode.
16582 (do_SUBST): Use enums instead of is_int.
16583 (do_SUBST_MODE): New function.
16584 (SUBST_MODE): New macro.
16585 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16586 reg and trying to replace reg_regno_rtx with a new register.
16587 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16588 (simplify_set): Use SUBST_MODE.
16589 (distribute_notes): Remove code that tried to update reg notes
16590 for regno_reg_rtx changes.
16592 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16594 PR tree-optimization/23109
16595 PR tree-optimization/23948
16596 PR tree-optimization/24123
16598 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16599 * tree-cfg.c (single_noncomplex_succ): New.
16600 * tree-flow.h (single_noncomplex_succ): Declare it.
16601 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16602 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16603 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16604 insert_bb, register_division_in, insert_reciprocals,
16605 replace_reciprocal, free_bb): New.
16606 (execute_cse_reciprocals_1): Rewritten.
16607 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16608 Do not commit any edge insertion. Always compute dominators and
16609 create the allocation pool.
16610 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16611 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16612 * targhooks.c (default_min_divistions_for_recip_mul): New.
16613 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16614 * passes.c (init_optimization_passes): Run recip after tree loop
16616 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16618 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16619 Kenneth Zadeck <zadeck@naturalbridge.com>
16621 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16622 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16623 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16624 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16625 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16626 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16627 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16628 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16629 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16630 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16631 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16632 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16633 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16634 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16635 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16636 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16637 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16638 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16639 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16640 DF_SCAN_POST_ALLOC): New macros.
16641 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16642 df_free_bb_function, df_local_compute_function, df_init_function,
16643 df_dataflow_function, df_confluence_function_0,
16644 df_confluence_function_n, df_transfer_function,
16645 df_finalizer_function, df_free_function, df_dump_problem_function,
16646 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16647 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16648 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16649 df_urec_bb_info, ) New types.
16650 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16652 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16653 df_analyze_simple_change_some_blocks,
16654 df_analyze_simple_change_one_block, df_compact_blocks,
16655 df_bb_replace, df_bb_regno_last_use_find,
16656 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16657 df_insn_regno_def_p, df_find_def, df_find_use,
16658 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16659 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16660 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16661 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16662 debug_df_chain, df_get_dependent_problem, df_chain_create,
16663 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16664 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16665 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16666 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16667 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16668 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16669 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16670 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16671 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16672 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16673 df_reorganize_refs, df_set_state, df_hard_reg_init,
16674 df_read_modify_subreg_p) New public functions.
16675 * df-core.c: The core dataflow solver and glue routines for rtl
16677 (df_init, df_add_problem, df_set_blocks, df_finish,
16678 df_hybrid_search_forward, df_hybrid_search_backward,
16679 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16680 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16681 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16682 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16683 df_reg_defined, df_find_use, df_reg_used, df_dump,
16684 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16685 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16686 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16687 debug_df_useno, reset_df_after_reload): New functions.
16688 * df-scan.c: The scanning fuctions, once in df.c, completely
16689 rewritten so that they now fully model the functionality of
16690 register usage at the backend.
16691 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16692 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16693 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16694 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16695 df_get_artificial_defs, df_get_artificial_uses,
16696 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16697 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16698 df_refs_delete, df_reorganize_refs, df_set_state,
16699 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16700 df_def_record_1, df_defs_record, df_uses_record,
16701 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16702 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16703 df_record_exit_block_uses, df_hard_reg_init): New functions.
16705 * df-problems.c: Seven concrete dataflow problems that use the
16706 scanning in df-scan.c and are solved by the engine in df-core.c.
16707 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16708 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16709 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16710 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16711 df_ru_free_bb_info, df_ru_alloc,
16712 df_ru_bb_local_compute_process_def,
16713 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16714 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16715 df_ru_transfer_function, df_ru_free, df_ru_dump,
16716 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16717 df_rd_free_bb_info, df_rd_alloc,
16718 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16719 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16720 df_rd_transfer_function, df_rd_free, df_rd_dump,
16721 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16722 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16723 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16724 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16725 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16726 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16727 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16728 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16729 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16730 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16731 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16732 df_urec_mark_reg_use_for_earlyclobber,
16733 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16734 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16735 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16736 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16737 df_chain_create_bb_process_use, df_chain_create_bb,
16738 df_chain_finalize, df_chain_free, df_chains_dump,
16739 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16740 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16741 df_reg_lifetime): New functions.
16742 * df.c: Deleted file.
16743 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16744 consistent with new df api.
16745 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16746 rest_of_handle_sms): Ditto.
16747 * web.c (unionfind_union, union_defs, entry_register, web_main):
16749 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16750 invariant_expr_equal_p, find_defs, check_dependencies,
16751 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16752 free_inv_motion_data, move_loop_invariants): Ditto.
16753 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16754 Update dependencies.
16755 (odf.c): Added defective entry that was deleted later in day.
16756 * sched-deps.c (sched_analyze_1): Ditto.
16758 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16760 * tree-ssa-operands.c (get_expr_operands): Record addressable
16761 variables directly. Do not call add_stmt_operands for CONST_DECLs
16763 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16764 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16766 2006-01-11 Ben Elliston <bje@au.ibm.com>
16768 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16769 function returns true in the positive case.
16771 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16774 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16775 for SI, DI, SF and DF modes. Add alternatives to copy between
16776 general and floating point registers to the 32-bit patterns.
16777 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16778 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16779 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16780 generating 64-bit code.
16781 * config/pa/pa.c (output_move_double): Handle copies between general
16782 and floating registers.
16784 2006-01-10 Stuart Hastings <stuart@apple.com>
16786 * config/i386/i386.md (set_got): Update.
16787 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16788 (builtin_setjmp_receiver): Mach-O support.
16789 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16790 (GOT_SYMBOL_NAME): Define.
16791 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16792 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16793 * config/i386/i386.c (override_options): Revise for Darwin.
16794 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16795 support. (darwin_x86_file_end): New. (output_set_got): Add label
16796 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16797 * config/i386/i386-protos.h (output_set_got): Likewise.
16798 * config/darwin.c (machopic_legitimize_pic_address): Update
16801 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16803 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16804 when MODE isn't BLKmode.
16806 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16808 PR rtl-optimization/25367
16809 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16811 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16814 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16815 for a negative bound.
16817 2006-01-10 Richard Guenther <rguenther@suse.de>
16819 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16820 Never override with anything constraint.
16822 2006-01-10 Jan Beulich <jbeulich@novell.com>
16824 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16825 256 bits when optimize_size.
16827 2006-01-10 Jan Beulich <jbeulich@novell.com>
16829 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16831 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16832 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16835 2006-01-10 Ben Elliston <bje@au.ibm.com>
16837 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16839 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16840 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16841 (USE_FP_FOR_ARG): Reject decimal float modes.
16842 (function_arg_advance): Likewise.
16843 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16844 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16845 point types in AltiVec vectors.
16846 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16847 (rs6000_libcall_value): Likewise.
16849 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16851 * config/xtensa/ieee754-df.S: New file.
16852 * config/xtensa/ieee754-sf.S: New file.
16853 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16854 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16855 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16857 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16859 * config/sh/predicates.md (binary_float_operator,
16860 binary_logical_operator, commutative_float_operator,
16861 equality_comparison_operator, greater_comparison_operator,
16862 less_comparison_operator, logical_operator,
16863 noncommutative_float_operator, shift_operator,
16864 symbol_ref_operand, unary_float_operator): Remove redundant
16867 2006-01-09 Jeff Law <law@redhat.com>
16869 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16870 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16871 now unused arguments. Callers updated.
16872 (eliminate_redundant_computations): Remove now unused arguments,
16874 (local_fold): Remove, no longer used.
16875 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16877 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16878 (simplify_cond): New function.
16879 (forward_propagate_into_cond): Call simplify_cond.
16881 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16883 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16884 (*vec_extractv2di_1_sse): New.
16886 2006-01-09 Ben Elliston <bje@au.ibm.com>
16888 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16890 2006-01-08 Richard Guenther <rguenther@suse.de>
16892 * tree-ssa-structalias.c (get_constraint_for): Remove
16893 anyoffset argument.
16894 (get_constraint_for_component_ref): Likewise.
16895 (do_deref): Likewise.
16896 (get_constraint_for): Likewise.
16897 (do_structure_copy): Likewise.
16898 (handle_ptr_arith): Likewise.
16899 (find_func_aliases): Likewise. Remove unused need_anyoffset
16902 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16903 Kaz Kojima <kkojima@gcc.gnu.org>
16905 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16906 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16907 (EXTRA_CONSTRAINT_C16): Remove.
16908 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16909 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16910 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16911 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16912 constants of SHmedia. Handle nested constant expressions of
16914 (andcosts): Fix the costs for SHmedia constants.
16915 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16916 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16917 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16918 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16919 (movv4hi_i, movv2si_i): Likewise.
16920 (movsi_const): Adjust the second operand of ior so to match with
16921 the Csu constraint.
16922 (movdi_const, movdi_const_32bit): Likewise.
16923 (movdi_const_16bit+1): Don't sign-extend LOW.
16924 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16926 (*double_shori): Fix the split condition. Use GEN_INT instead
16927 of get_int_mode calls. Mask lower 16-bit of the argument of
16929 (sym2GOTPLT): Remove.
16930 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16932 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16933 instead of EXTRA_CONSTRAINT_C16.
16935 2006-01-07 Ian Lance Taylor <ian@airs.com>
16936 David Edelsohn <edelsohn@gnu.org>
16938 PR rtl-optimization/25662
16939 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16940 for constant operands instead of simplify_gen_binary.
16941 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16942 after trying simplify_binary_operation
16944 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16946 * tree.c (iterative_hash_expr): Hash decls based on UID.
16948 2006-01-06 Eric Christopher <echristo@apple.com>
16950 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16951 (TARGET_UNWIND_EMIT): Fix spelling.
16952 * target.h (gcc_target): Add except_table_label.
16953 * except.c (output_function_exception_table): Use.
16954 * varasm.c (default_emit_except_table_label): New.
16955 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16957 (asm_out): Add here.
16958 * output.h (default_emit_except_table_label): Prototype.
16959 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16960 * config/darwin.c (darwin_emit_except_table_label): Define.
16961 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16963 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16965 PR tree-optimization/18527
16966 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16967 number_of_iterations_special, number_of_iterations_exit):
16968 Move base and step of an iv to a single structure. Add
16969 no_overflow flag, and use it in # of iterations analysis.
16970 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16971 folded_casts argument.
16972 (simple_iv): Pass base and step in a structure. Set no_overflow
16974 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16975 Evaluate expensiveness of computing # of iterations instead of
16976 the final expression.
16977 * tree-scalar-evolution.h (affine_iv): New structure.
16978 (simple_iv): Declaration changed.
16979 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16980 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16981 find_givs_in_stmt): Changed due to simple_iv change.
16983 2006-01-06 Jeff Law <law@redhat.com>
16986 * tree-cfg.c (bsi_replace): Rename final argument from
16987 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16988 change (stmt -> orig_stmt).
16989 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16990 (bsi_remove): Add new argument. Remove EH information
16992 (verify_eh_throw_table_statements): New function.
16993 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16995 * tree-optimize.c (execute_free_cfg_annotations): Verify
16996 the EH throw statement table after removing annotations.
16997 * except.h (verify_eh_throw_table_statements): Prototype.
16998 * tree-flow.h (bsi_remove): Update prototype.
16999 * tree-vrp.c (remove_range_assertions): Add new argument to
17001 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17002 * tree-complex.c (expand_complex_div_wide): Likewise.
17003 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17004 * tree-tailcall.c (eliminate_tailcall): Likewise.
17005 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17006 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17007 * tree-nrv.c (tree_nrv): Likewise.
17008 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17009 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17010 (combine_blocks): Likewise.
17011 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17012 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17013 (cleanup_control_flow): Likewise.
17014 (remove_forwarder_block): Likewise.
17015 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17016 * tree-sra.c (sra_replace): Likewise.
17017 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17018 (forward_propagate_single_use_vars): Likewise.
17019 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17020 * tree-inline.c (expand_call_inline): Likewise.
17021 * tree-vect-transform.c (vect_transform_loop): Likewise.
17022 * tree-outof-ssa.c (rewrite_trees): Likewise.
17023 * tree-cfg.c (make_goto_expr_edges): Likewise.
17024 (cleanup_dead_labels): Likewise.
17025 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17026 (bsi_move_before, bsi_move_after): Likewise.
17027 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17028 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17030 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17033 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17035 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17036 on non gimple variables. Also add checks at the top for decls and
17038 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17040 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17041 and IMAGPART_EXPR for creating MUST_DEFs.
17042 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17043 and NAME_MEMORY_TAG separately from the DECLs.
17045 2006-01-06 Richard Guenther <rguenther@suse.de>
17047 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17048 annotation, if necessary.
17049 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17050 redundant calls to update_stmt.
17051 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17054 2006-01-05 Richard Henderson <rth@redhat.com>
17056 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17058 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17060 * c-typeck.c: Update copyright date.
17062 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17064 * c-typeck.c (build_c_cast): Always warn when casting
17065 from a pointer to an integer of different size, even if
17066 the node was constant.
17068 2006-01-05 Richard Guenther <rguenther@suse.de>
17070 PR tree-optimization/22555
17071 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17072 if one structure field is an array.
17073 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17074 operands even if we found a subvar, but ignore VOPs in this
17076 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17078 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17080 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17082 PR middle-end/24998
17083 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17085 2006-01-05 Richard Guenther <rguenther@suse.de>
17086 Diego Novillo <dnovillo@redhat.com>
17088 * tree-pass.h (TODO_remove_unused_locals): Define.
17089 * gimple-low.c (expand_var_p, remove_useless_vars,
17090 pass_remove_useless_vars): Remove. Update all users.
17091 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17092 (remove_unused_locals): New function.
17093 * tree-flow.h (remove_unused_locals): Declare.
17094 * passes.c (execute_todo): Call remove_unused_locals if
17095 TODO_remove_unused_locals is set.
17096 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17097 * tree-ssa-dce.c (pass_dce): Likewise.
17098 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17100 2006-01-05 Richard Guenther <rguenther@suse.de>
17102 * tree-flow.h (struct fieldoff): Decompose field to
17103 type, size and decl.
17104 * tree-ssa-alias.c (create_sft): Take type as parameter.
17105 (create_overlap_variables_for): Store type, size and decl
17106 in the fieldoff structure.
17107 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17108 of struct fieldoff.
17109 (push_fields_onto_fieldstack): Likewise.
17110 (create_variable_info_for): Likewise. Use offset for the
17111 SFT name if the decl is not available.
17113 2006-01-04 Paul Brook <paul@codesourcery.com>
17115 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17117 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17119 * lambda-code.c (can_put_in_inner_loop): Relax
17121 (can_put_after_inner_loop): New function.
17122 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17123 (perfect_nestify): Change to make copies and modify uses.
17125 2006-01-04 Richard Henderson <rth@redhat.com>
17127 Merge from gomp branch:
17128 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17129 via integer constant.
17130 (pragma_lex): Remove.
17131 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17132 rather than parsing it.
17133 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17134 handle_pragma_extern_prefix): Add %< %> quotes.
17135 (registered_pragmas): New.
17136 (c_register_pragma_1): New.
17137 (c_register_pragma): Use it.
17138 (c_register_pragma_with_expansion): Likewise.
17139 (c_invoke_pragma_handler): New.
17140 (init_pragma): Use cpp_register_deferred_pragma directly for
17142 * c-pragma.h (enum pragma_kind): New.
17143 (pragma_handler): New.
17144 (c_invoke_pragma_handler): Declare.
17145 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17147 * c-common.h (c_common_pch_pragma): Update decl.
17148 * Makefile.in (c-parser.o): Update dependencies.
17149 (GTFILES): Add c-pragma.h.
17150 * c-parser.c (struct c_token): Add pragma_kind.
17151 (struct c_parser): Add in_pragma.
17152 (c_lex_one_token): Always initialize keyword and pragma_kind.
17153 Extract data for CPP_PRAGMA.
17154 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17155 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17156 Don't allow CPP_PRAGMA_EOL if in_pragma.
17157 (c_parser_consume_pragma): New.
17158 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17159 (c_parser_skip_to_end_of_parameter): Likewise.
17160 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17161 (c_parser_skip_to_pragma_eol): New.
17162 (c_parser_external_declaration): Handle CPP_PRAGMA.
17163 (c_parser_compound_statement_nostart): Likewise.
17164 (c_parser_statement_after_labels): Likewise.
17165 (c_parser_pragma): New.
17166 (pragma_lex): Likewise.
17167 (c_parser_pragma_pch_preprocess): New.
17168 (c_parser_new): Merge into ...
17169 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17171 2006-01-04 Jeff Law <law@redhat.com>
17174 * tree-cfg.c (bsi_replace): Remove the original statement
17175 from the EH throw statement table.
17177 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17179 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17180 make the prototype extern "C" and add throw ().
17183 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17184 and pos non-negative and pos + len <= 32.
17185 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17186 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17187 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17190 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17191 as well as sizes not multiple of component size.
17194 * function.c (instantiate_expr): New function.
17195 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17196 walk its DECL_VALUE_EXPR with instantiate_expr.
17198 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17199 DW_OP_deref{,_size} if address isn't going to be added.
17201 2006-01-04 Ben Elliston <bje@au.ibm.com>
17203 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17204 * config/fp-bit.c: Likewise.
17206 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17208 * dominance.c: Add comment about why we use DFS numbering
17211 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17212 Richard Henderson <rth@redhat.com>
17214 Merge from gomp-branch:
17215 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17216 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17218 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17220 PR rtl-optimization/25578
17221 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17222 pass a parameter to simplify_shift_const if changing ASHIFTRT
17225 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17227 * builtins.c (get_builtin_sync_mem): New function.
17228 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17229 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17230 Call get_builtin_sync_mem to generate mem rtx.
17232 2006-01-03 Richard Guenther <rguenther@suse.de>
17235 * stmt.c (add_case_node): Make sure to clear overflow flags
17238 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17240 Merge from gomp-branch.
17241 * config/sparc/sync.md: New file.
17242 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17243 UNSPECV_LDSTUB): New constants.
17244 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17245 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17246 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17249 2006-01-03 Roger Sayle <roger@eyesopen.com>
17251 * combine.c (reg_subword_p): New predicate to test whether the
17252 destination of a set refers to a subword/piece of a register.
17253 (try_combine): Generalize the code to merge the setting of a
17254 pseudo to a constant followed by a set of a subword of that
17255 register to a constant.
17257 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17259 * basic-block.h (control_flow_graph): Change the type of
17260 x_label_to_block_map to VEC(basic_block,gc) *.
17261 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17262 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17264 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17265 VEC(basic_block,heap) *.
17266 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17267 ssa_prop_fini): Adjust the uses of cfg_blocks.
17269 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17271 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17273 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17274 hashing trees instead of a pointer hash.
17275 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17276 compare for MEM_EXPR.
17278 PR rtl-optimization/25130
17279 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17280 when comparing MEMs for GCSE
17282 2006-01-03 Ben Elliston <bje@au.ibm.com>
17284 * targhooks.h (default_decimal_float_supported_p): Declare.
17285 * targhooks.c (default_decimal_float_supported_p): Define.
17286 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17287 `default_decimal_float_supported_p'.
17288 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17290 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17292 * combine.c (apply_distributive_law <SUBREG>): Check
17293 TRULY_NOOP_TRUNCATION.
17295 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17297 * dwarf2out.c (have_switched_text_section): Delete.
17298 (have_multiple_function_sections): New.
17299 (have_location_lists): Make 'bool'.
17300 (add_AT_loc_list): Use 'true' not '1'.
17301 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17302 (output_loc_list): Use have_multiple_function_sections.
17303 (output_ranges): Likewise.
17304 (dwarf2out_begin_function): Set have_multiple_function_sections if
17306 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17307 Check function_section rather than DECL_SECTION_NAME.
17308 (dwarf2out_finish): Use have_multiple_function_sections.
17309 Don't clear have_location_lists.
17311 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17312 Jan Hubicka <jh@suse.cz>
17314 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17315 case of conditional jump jumping to the next instruction.
17316 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17317 cases of conditional jump jumping to the next instruction.
17319 2006-01-02 Jan Hubicka <jh@suse.cz>
17321 * i386.c (*_cost): Add COSTS_N_INSNS.
17322 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17324 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17327 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17329 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17331 * config/arm/arm.c (all_fpus): Fix comment typo.
17332 * config/darwin.c: Likewise.
17333 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17334 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17335 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17337 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17339 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17340 (rs6000_split_compare_and_swapqhi): New.
17341 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17342 (sync_compare_and_swapqhi_internal): New.
17343 * config/rs6000/rs6000-protos.h: Declare.