1 2006-11-01 Roger Sayle <roger@eyesopen.com>
3 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
6 2006-11-01 Roger Sayle <roger@eyesopen.com>
8 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
9 whether the assembler supports taking the difference of symbols in
10 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
11 * configure: Regenerate.
12 * config.in: Regenerate.
13 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
14 the assembler doesn't support taking the difference of symbols in
15 different sections, i.e. we're using the native solaris assembler.
17 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
18 Peter Bergner <bergner@vnet.ibm.com>
20 * doc/invoke.texi: Add cpu_type power6x
21 (RS/6000 and PowerPC Options): Add -mmfpgpr.
22 * config.gcc: Add cpu_type power6x.
23 * configure.ac: Add test for mf{t,f}gpr instructions.
24 (HAVE_AS_MFPGPR): New.
25 * config.in: Regenerate.
26 * configure: Regenerate.
27 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
28 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
29 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
30 and mftgpr attributes.
31 (define_attr "cpu"): Add power6.
32 Change instruction sequences to use new attributes.
33 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
34 (fix_truncdfsi2_mfpgpr): New.
35 (floatsidf_ppc64_mfpgpr): New.
36 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
37 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
38 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
39 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
40 (fix_truncdfsi2): Use gpc_reg_operand constraint.
41 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
42 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
43 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
44 cntlz,exts and var_delayed_compare.
45 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
46 _ARCH_PWR6X, if features enabled.
47 * config/rs6000/rs6000.opt (mmfpgpr): New.
48 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
49 (cached_can_issue_more): New variable.
50 (processor_costs): Add power6_cost.
51 (rs6000_sched_init): New function.
52 (is_dispatch_slot_restricted): Deleted.
53 (set_to_load_agen): New function.
54 (is_load_insn,is_store_insn): New functions.
55 (adjacent_mem_locations): New function.
56 (insn_must_be_first_in_group): New function.
57 (insn_must_be_last_in_group): New function.
58 (rs6000_sched_reorder): New function.
59 (rs6000_sched_reorder2): New function.
60 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
61 TARGET_SCHED_REORDER2): Define.
62 (processor_target_table): Use PROCESSOR_POWER6 for power6.
63 Add power6x. Add MASK_MFPGPR for power6x.
64 (POWERPC_MASKS): Add MASK_MFPGPR.
65 (rs6000_override_options): Set rs6000_always_hint to false
66 for power6. Set rs6000_align_branch_targets. Replace
67 rs6000_sched_groups check with rs6000_align_branch_targets.
69 (last_scheduled_insn): New variable.
70 (load_store_pendulum): New variable.
71 (rs6000_variable_issue): Set last_scheduled_insn and
72 cached_can_issue_more.
73 (rs6000_adjust_cost): Add power6 cost adjustments.
74 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
75 with insn_must_be_first_in_group. Add power6 priority adjustments.
76 (rs6000_issue_rate): Add CPU_POWER6.
77 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
78 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
80 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
81 (ASM_CPU_SPEC): Add power6x.
82 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
84 * config/rs6000/power6.md: New file.
86 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
88 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
89 HOST_WIDE_INT_PRINT to print high and low parts. Use
90 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
91 printing a hexadecimal number prefix it with 0x.
93 2006-11-01 Chris Johns <chris@contemporary.net.au>
96 * Makefile.in (install-driver): Use exeext when installing
99 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
101 * c-common.c (flag_cpp0x): New.
102 * c-common.h (flag_cpp0x): New.
103 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
104 supported, define __GXX_EXPERIMENTAL_CPP0X__.
105 * c-opts.c (set_std_cxx0x): New.
106 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
107 * c.opt (std=c++0x): Document.
108 (std=gnu++0x): Ditto.
109 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
110 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
112 2006-11-01 Richard Guenther <rguenther@suse.de>
114 * config/i386/i386.c (ix86_expand_rint): Fix issues with
116 (ix86_expand_floorceildf_32): Likewise.
117 (ix86_expand_floorceil): Likewise.
118 (ix86_expand_trunc): Likewise.
120 2006-10-31 Andrew Pinski <pinskia@gmail.com>
122 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
125 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
127 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
129 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
131 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
133 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
134 * configure.ac (use_cxa_atexit): As a special case, don't test
135 for libc definition of __cxa_atexit on mingw32
136 * configure: Regenerate.
137 * config.gcc (i[34567]86-pc-mingw32): Default to
138 enable__cxa_atexit=yes.
140 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
142 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
144 2006-10-31 Geoffrey Keating <geoffk@apple.com>
147 * c-decl.c (start_struct): Don't create self-containing
149 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
151 * config/rs6000/rs6000-protos.h
152 (darwin_rs6000_special_round_type_align): New.
153 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
154 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
156 2006-10-31 Geoffrey Keating <geoffk@apple.com>
158 * toplev.c (compile_file): Call final_write_globals
159 even if there have been errors.
161 2006-10-31 Eric Christopher <echristo@apple.com>
162 Falk Hueffner <falk@debian.org>
164 * doc/extend.texi (__builtin_bswap32): Document.
165 (__builtin_bswap64): Ditto.
166 * doc/libgcc.texi (bswapsi2): Document.
168 * doc/rtl.texi (bswap): Document.
169 * optabs.c (expand_unop): Don't widen a bswap.
170 (init_optabs): Init bswap. Set libfuncs explicitly
171 for bswapsi2 and bswapdi2.
172 * optabs.h (OTI_bswap): New.
173 (bswap_optab): Ditto.
174 * genopinit.c (optabs): Handle bswap_optab.
175 * tree.h (tree_index): Add TI_UINT32_TYPE and
177 (uint32_type_node): New.
178 (uint64_type_node): Ditto.
179 * tree.c (build_common_tree_nodes_2): Initialize
180 uint32_type_node and uint64_type_node.
181 * builtins.c (expand_builtin_bswap): New.
182 (expand_builtin): Call.
183 (fold_builtin_bswap): New.
184 (fold_builtin_1): Call.
185 * fold-const.c (tree_expr_nonnegative_p): Return true
187 * builtin-types.def (BT_UINT32): New.
189 (BT_FN_UINT32_UINT32): Ditto.
190 (BT_FN_UINT64_UINT64): Ditto.
191 * builtins.def (BUILT_IN_BSWAP32): New.
192 (BUILT_IN_BSWAP64): Ditto.
193 * rtl.def (BSWAP): New.
194 * genattrtab.c (check_attr_value): New.
195 * libgcc2.c (__bswapSI2): New.
197 * libgcc2.h (__bswapSI2): Declare.
199 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
200 * simplify-rtx.c (simplify_const_unary_operation): Return
202 * libgcc-std.ver (__bwapsi2): Add.
204 * reload1.c (eliminate_regs_1): Add bswap.
205 (elimination_effects): Ditto.
206 * config/i386/i386.h (x86_bswap): New.
208 * config/i386/i386.c (x86_bswap): Set.
210 2006-10-31 Geoffrey Keating <geoffk@apple.com>
212 * coverage.c (coverage_checksum_string): Update comment.
213 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
214 of get_file_function_name.
215 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
216 of get_file_function_name_long.
217 * tree.c (get_file_function_name): Rename from
218 get_file_function_name_long; improve comment; handle 'I' and 'D'
219 specially when the target has ctor/dtor support; remove special
221 (get_file_function_name): Remove.
222 * tree.h (get_file_function_name): Rename from
223 get_file_function_name_long.
224 (get_file_function_name): Remove prototype.
226 2006-10-31 Geoffrey Keating <geoffk@apple.com>
228 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
229 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
231 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
232 Call dsymutil when compiling and linking one or more source files
235 2006-10-31 Geoffrey Keating <geoffk@apple.com>
238 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
240 2006-10-31 Geoffrey Keating <geoffk@apple.com>
242 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
243 inline static functions in c99 mode.
246 * doc/extend.texi (Inline): Update.
247 * c-tree.h (struct language_function): Remove field 'extern_inline'.
248 * c-decl.c (current_extern_inline): Delete.
249 (pop_scope): Adjust test for an undefined nested function.
250 Add warning about undeclared inline function.
251 (diagnose_mismatched_decls): Update comments. Disallow overriding
252 of inline functions in a translation unit in C99. Allow inline
253 declarations in C99 at any time.
254 (merge_decls): Boolize variables. Handle C99 'extern inline'
256 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
257 C99 inline semantics.
258 (start_function): Don't clear current_extern_inline. Don't set
260 (c_push_function_context): Don't push current_extern_inline.
261 (c_pop_function_context): Don't restore current_extern_inline.
264 * c-typeck.c (build_external_ref): Warn about static variables
265 used in extern inline functions.
266 * c-decl.c (start_decl): Warn about static variables declared
267 in extern inline functions.
269 2006-10-31 Roger Sayle <roger@eyesopen.com>
272 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
273 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
274 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
275 or y is an even integer.
277 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
280 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
281 * gthr-posix95.h (__gthread_active_p): Likewise.
283 2006-10-31 Richard Guenther <rguenther@suse.de>
285 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
286 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
287 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
288 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
289 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
290 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
291 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
292 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
295 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
297 * opts.c (decode_options): Disable CSE skip blocks.
299 2006-10-30 Dirk Mueller <dmueller@suse.de>
301 * c-common.h (strict_aliasing_warning): Fix whitespace.
302 * c-decl (start_function): Move code for main decl warning ..
303 * c-common.c (check_main_parameter_types): .. here.
304 * c-common.h (check_main_parameter_types): Declare.
306 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
309 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
311 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
313 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
314 be a PARALLEL containing sets. Return false when out_pat is not
317 2006-10-30 Richard Sandiford <richard@codesourcery.com>
319 * config/mips/mips.md (mul<mode>3): Split into...
320 (mulsi3, muldi3): ...these separate patterns.
322 2006-10-30 Richard Sandiford <richard@codesourcery.com>
324 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
325 but with each set of options separated by spaces.
327 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
329 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
330 dwarf_reg_size_table has been initialized.
332 2006-10-30 Roger Sayle <roger@eyesopen.com>
334 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
335 * ddg.c (print_ddg_edge): Likewise.
336 * dwarf2out.c (prune_unused_types_walk): Likewise.
337 * ifcvt.c (noce_try_cmove_arith): Likewise.
338 * langhooks.c (add_builtin_function): Likewise.
339 * reg-stack.c (subst_stack_regs_pat): Likewise.
340 * tree.c (expanded_location): Likewise.
341 * tree-dump.c (dequeue_and_dump): Likewise.
343 2006-10-30 David Daney <ddaney@avtrex.com>
345 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
347 2006-10-30 Jakub Jelinek <jakub@redhat.com>
349 PR tree-optimization/29637
350 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
351 of the innertype is the innertype itself.
353 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
355 * dwarf2out.c (file_name_acquire): Correct typo.
357 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
359 * tree.h (tree_value_handle): Remove struct value_set declaration.
360 Change value_set to bitmap_set.
361 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
362 * tree-vn.c (get_value_handle): Made inline and moved to
364 * tree-flow-inline.h: (has_stmt_ann): New function.
365 * tree-ssa-pre.c (expressions): New variable.
366 (next_expression_id): Ditto.
367 (alloc_expression_id): New function.
368 (struct value_set): Remove.
369 (get_expression_id): New function.
370 (get_or_alloc_expression_id): Ditto.
371 (expression_for_id): Ditto.
372 (clear_expression_ids): Ditto.
373 (FOR_EACH_EXPR_ID_IN_SET): New macro.
374 (bb_value_sets): Renamed to bb_bitmap_sets.
375 All value sets replaced with bitmap_sets.
377 (BB_VISITED): New macro.
378 (postorder): New variable.
379 (add_to_value): Removed.
380 (value_exists_in_set_bitmap): Ditto.
381 (value_insert_into_set_bitmap): Ditto.
385 (set_contains_value): Ditto.
386 (insert_into_set): Ditto.
388 (find_leader): Ditto.
389 (bitmap_set_subtract_from_value_set): Ditto.
390 (value_insert_into_set): Ditto.
391 (print_value_set): Ditto.
392 (debug_value_set): Ditto.
393 (constant_expr_p): New function.
394 (bitmap_remove_from_set): Ditto.
395 (bitmap_insert_into_set): Ditto.
396 (bitmap_set_free): Ditto.
398 (sorted_array_from_bitmap_set): Ditto.
399 (bitmap_set_subtract): Ditto.
400 (bitmap_set_equal): Ditto.
401 (debug_bitmap_set): Ditto.
402 (find_leader_in_sets): Ditto.
403 (bitmap_set_replace_value): Modify for bitmapped sets.
404 (phi_translate): Ditto.
405 (phi_translate_set): Ditto.
406 (bitmap_find_leader): Ditto.
407 (valid_in_sets): Ditto.
408 (union_contains_value): Ditto.
410 (compute_antic_aux): Ditto. Mark changed blocks.
411 (compute_antic): Ditto. Iterate in postorder and only over
413 (compute_rvuse_and_antic_safe): Reuse postorder.
414 (create_component_ref_by_pieces): Modify for bitmapped sets.
415 (find_or_generate_expression): Ditto.
416 (create_expression_by_pieces): Ditto.
417 (insert_into_preds_of_block): Ditto.
418 (changed_blocks): New variable.
419 (do_regular_insertion): Broken out from insert_aux.
420 (insert_aux): Modified for bitmapped sets.
421 (find_existing_value_expr): New function.
422 (create_value_expr_from): Use it.
423 (insert_extra_phis): Removed.
424 (print_bitmap_set): Renamed from bitmap_print_value_set.
425 (compute_avail): Handle RETURN_EXPR.
426 (init_pre): Modify for bitmapped sets.
427 * tree-flow.h (has_stmt_ann): New function.
429 2006-10-29 Roger Sayle <roger@eyesopen.com>
431 * builtins.c (fold_builtin_floor): Check for the availability of
432 the C99 trunc function before transforming floor into trunc.
434 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
436 * builtins.c (fold_builtin_hypot): Rearrange recursive
437 transformation before others, and also do ABS_EXPR. When
438 necessary, check flag_unsafe_math_optimizations. When necessary,
441 2006-10-29 Roger Sayle <roger@eyesopen.com>
443 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
444 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
445 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
446 Fold -X eq/ne -Y as X eq/ne Y.
448 2006-10-29 Richard Sandiford <richard@codesourcery.com>
450 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
451 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
452 rather than GENERATE_MULT3_SI in the various define_peephole2s.
453 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
454 Use an inclusive test for "mult" rather than "mul".
455 (rotr<mode>3): Depend on ISA_HAS_ROR.
456 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
458 (GENERATE_MULT3_DI): Delete.
459 (ISA_HAS_64BIT_REGS): Use consistent formatting.
460 (ISA_HAS_MUL3): New macro.
461 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
462 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
463 (ISA_HAS_CLZ_CLO): Likewise.
464 (ISA_HAS_DCLZ_DCLO): Delete.
465 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
466 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
467 the VR4120 and VR4130.
468 (ISA_HAS_MACCHI): Use consistent formatting.
469 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
470 (ISA_HAS_ROR): ...this new macro.
471 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
472 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
473 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
475 2006-10-29 Roger Sayle <roger@eyesopen.com>
477 PR tree-optimization/15458
478 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
481 2006-10-29 Richard Guenther <rguenther@suse.de>
483 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
484 (ix86_expand_truncdf_32): Likewise.
485 * config/i386/i386.c (ix86_expand_trunc): New function expanding
486 trunc inline for SSE math and -fno-trapping-math and if not
488 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
489 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
490 for expanding btrunc inline for SSE math.
492 2006-10-29 Joseph Myers <joseph@codesourcery.com>
494 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
495 Handle tuning for bi-arch i[34567]86-*-linux* like that for
496 i[34567]86-*-solaris2.1[0-9]*.
497 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
498 Define conditionally depending on TARGET_64BIT_DEFAULT.
499 (SPEC_32, SPEC_64): Define.
500 (LINK_SPEC): Use them.
501 * doc/install.texi (--enable-targets=all): Document for x86-linux.
503 2006-10-29 Richard Guenther <rguenther@suse.de>
505 * config/i386/i386-protos.h (ix86_expand_round): Declare.
506 (ix86_expand_rounddf_32): Likewise.
507 * config/i386/i386.c (ix86_expand_round): New function expanding
508 round inline for SSE math and -fno-trapping-math and if not
510 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
511 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
512 round via ix86_expand_round.
514 2006-10-29 Richard Guenther <rguenther@suse.de>
516 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
517 (ix86_expand_floorceildf_32): Likewise.
518 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
519 static helper function.
520 (ix86_expand_floorceil): Expander for floor and ceil to SSE
522 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
523 * config/i386/i386.md (floordf2): Adjust to enable floor
524 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
525 -fno-trapping-math is enabled and if not optimizing for size.
526 (floorsf2, ceildf2, ceilsf2): Likewise.
527 * config/i386/sse.md (sse_maskcmpsf3): New insn.
528 (sse2_maskcmpdf3): Likewise.
530 2006-10-29 Richard Guenther <rguenther@suse.de>
532 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
533 rint in case -fno-trapping-math is enabled.
534 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
535 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
536 (ix86_expand_sse_fabs): Likewise.
537 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
538 * config/i386/i386.md (rintdf2): Enable for SSE math if
539 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
542 2006-10-29 Richard Guenther <rguenther@suse.de>
544 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
545 to conversion optabs.
546 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
548 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
549 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
550 (lfloor_optab, lceil_optab): Adjust defines.
551 * builtins.c (expand_builtin_int_roundingfn): Adjust for
552 lfloor and lceil optabs now being conversion optabs.
553 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
554 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
555 New static helper function.
556 (ix86_expand_lfloorceil): New function to expand lfloor and
558 * config/i386/i386.md (lfloor<mode>2): Split into ...
559 (lfloorxf<mode>2): ... x87 variant
560 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
561 using ix86_expand_lfloorceil.
562 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
564 * doc/md.texi (lfloorMN, lceilMN): Document.
566 2006-10-29 Richard Sandiford <richard@codesourcery.com>
568 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
569 -mno-shared assembler option on mips targets.
570 * configure, config.in: Regenerate.
571 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
572 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
573 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
575 2006-10-29 Richard Sandiford <richard@codesourcery.com>
577 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
578 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
580 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
582 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
583 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
586 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
589 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
590 (fold_builtin_pow): Evaluate constant arguments at compile-time
592 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
593 (do_mpfr_ckconv): New helper function.
594 (do_mpfr_arg1): Use do_mpfr_ckconv.
597 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
600 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
601 (-fdump-rtl-sched): Rename to ..
602 (-fdump-rtl-sched1): here. Also fix file extension number.
604 2006-10-28 Richard Guenther <rguenther@suse.de>
606 * fold-const.c (maybe_canonicalize_comparison): Fix code
609 2006-10-28 Uros Bizjak <uros@kss-loka.si>
611 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
612 (NON_QI_REG_P): Use IN_RANGE.
613 (REX_INT_REGNO_P): Use IN_RANGE.
614 (FP_REGNO_P): Use IN_RANGE.
615 (SSE_REGNO_P): Use IN_RANGE.
616 (REX_SSE_REGNO_P): Use IN_RANGE.
617 (MMX_REGNO_P): Use IN_RANGE.
618 (STACK_REGNO_P): New macro.
619 (STACK_REG_P): Use STACK_REGNO_P.
620 (NON_STACK_REG_P): Use STACK_REGNO_P.
621 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
622 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
623 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
624 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
625 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
627 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
629 * except.h (output_function_exception_table): Add 'const char*' param.
630 * except.c (switch_to_exception_section): Add 'const char*' param.
631 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
632 and flag_function_sections is set, use a function-specific section.
633 (output_function_exception_table): Add 'const char*' param.
634 Adjust call to switch_to_exception_section.
635 * final.c (rest_of_handle_final): Adjust calls to
636 output_function_exception_table.
637 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
638 * config.in: Regenerate.
639 * configure: Likewise.
641 2006-10-28 Richard Guenther <rguenther@suse.de>
644 * fold-const.c (maybe_canonicalize_comparison_1): Helper
645 for maybe_canonicalize_comparison.
646 (maybe_canonicalize_comparison): New function for canonicalizing
648 (fold_comparison): Call it to canonicalize comparisons with
651 2006-10-28 Richard Guenther <rguenther@suse.de>
654 * builtins.c (expand_builtin_int_roundingfn_2): Expand
655 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
656 (expand_builtin): Adjust likewise.
657 * genopinit.c (optabs[]): Add lround optab.
658 * optabs.c (init_optabs): Initialize lround_optab.
659 * optabs.h (enum convert_optab_index): Add COI_lround.
660 (lround_optab): Define.
661 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
662 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
664 (ix86_expand_lround): New function.
665 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
667 * doc/md.texi (lroundMN2): Document.
669 2006-10-28 Uros Bizjak <uros@kss-loka.si>
672 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
673 argument to HOST_WIDE_INT. Update function prototype.
674 (round_frame_size): Change return type to HOST_WIDE_INT. Change
675 "size" argument to HOST_WIDE_INT. Update function prototype.
677 2006-10-28 Uros Bizjak <uros@kss-loka.si>
679 * config/i386/i386.c (output_387_ffreep): Create output from a
680 template string for !HAVE_AS_IX86_FFREEP.
682 2006-10-27 Eric Christopher <echristo@apple.com>
684 * config/darwin.c: Fix formatting and grammar.
686 2006-10-27 Jan Hubicka <jh@suse.cz>
688 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
689 to be thrown away soon when IGNORE is set.
690 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
691 indicating when return value shall not be computed.
692 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
694 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
696 * config/i386/i386.h (TARGET_GEODE):
697 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
698 (TARGET_CPU_DEFAULT_geode): New macro.
699 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
700 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
701 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
702 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
703 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
705 (TARGET_CPU_DEFAULT_NAMES): Add geode.
706 (processor_type): Add PROCESSOR_GEODE.
708 * config/i386/i386.md: Include geode.md.
711 * config/i386/i386.c (geode_cost): New initialized global
713 (m_GEODE, m_K6_GEODE): New macros.
714 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
715 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
716 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
717 x86_schedule): Use m_K6_GEODE instead of m_K6.
718 (x86_movx, x86_cmove): Set up m_GEODE.
719 (x86_integer_DFmode_moves): Clear m_GEODE.
720 (processor_target_table): Add entry for geode.
721 (processor_alias_table): Ditto.
723 * config/i386/geode.md: New file.
725 * doc/invoke.texi: Add entry about geode processor.
727 2006-10-27 Mike Stump <mrs@apple.com>
729 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
730 __DYNAMIC__ from here back to ...
731 * config/darwin.h (CPP_SPEC): ... here.
733 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
734 Nathan Sidwell <nathan@codesourcery.com>
736 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
737 when choosing the minimum heapsize.
739 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
741 * gcc/unwind-dw2.h: Move cfa-related variables into
742 struct frame_state_reg_info to ensure that the CFA is properly
743 handled when executing DW_CFA_{remember,restore}_state.
744 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
745 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
746 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
747 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
748 gcc/config/rs6000/linux-unwind.h,
749 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
750 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
751 Modify to use new cfa_* fields.
753 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
755 * config/s390/s390.c (s390_init_frame_layout): Check positive
758 2006-10-26 Ben Elliston <bje@au.ibm.com>
760 * gimplify.c (get_name): Remove extraneous break.
761 (gimplify_omp_for): Initialise ret with GS_OK.
763 2006-10-25 Steve Ellcey <sje@cup.hp.com>
765 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
766 Add unix98.o to link line.
768 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
771 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
772 Calculate compile-time constants using MPFR.
773 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
774 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
776 2006-10-25 Bob Wilson <bob.wilson@acm.org>
778 * config/xtensa/lib2funcs.S: Use C-style comments.
780 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
782 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
783 (file_table_relative_p): Likewise.
784 (dwarf2out_finish): Likewise.
785 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
787 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
789 * tree-ssa-structalias.c (intra_create_variable_infos):
790 Don't recreate nonlocal_all if it already exists.
792 2006-10-25 Richard Guenther <rguenther@suse.de>
795 * optabs.h (enum optab_index): Remove OTI_lrint.
796 (enum convert_optab_index): Add COI_lrint.
797 (lrint_optab): Adjust.
798 (expand_sfix_optab): Declare.
799 * optabs.c (expand_sfix_optab): New function.
800 (init_optabs): Init lrint_optab as conversion optab.
801 * genopinit.c (lrint_optab): Change to a conversion optab.
802 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
803 expansion via conversion optab.
804 * config/i386/i386.md (*fistdi2_1): Remove
805 flag_unsafe_math_optimizations guard.
806 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
807 fist<mode>2_with_temp): Likewise.
808 (lrint<mode>2): Split into...
809 (lrintxf<mode>2): ... x87 part
810 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
811 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
812 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
813 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
814 * doc/md.texi (lrintMN2): Document.
816 2006-10-25 Uros Bizjak <uros@kss-loka.si>
819 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
820 Use inc and dec instructions for TARGET_USE_INCDEC.
821 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
822 ("sync_double_compare_and_swap<mode>"): Likewise.
823 ("*sync_double_compare_and_swapdi_pic"): Likewise.
824 ("*sync_compare_and_swap_cc<mode>"): Likewise.
825 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
826 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
827 ("sync_old_add<mode>"): Likewise.
828 ("sync_lock_test_and_set<mode>"): Likewise.
829 ("sync_lock_test_and_set<mode>"): Likewise.
830 ("sync_add<mode>"): Likewise.
831 ("sync_sub<mode>"): Likewise.
832 ("sync_ior<mode>"): Likewise.
833 ("sync_and<mode>"): Likewise.
834 ("sync_xor<mode>"): Likewise.
836 2006-10-25 Uros Bizjak <uros@kss-loka.si>
838 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
839 (remainder_optab): Define corresponding macro.
840 (drem_optab): Remove.
841 * optabs.c (init_optabs): Initialize remainder_optab. Remove
842 drem_optab initialization.
843 * genopinit.c (optabs): Implement remainder_optab using
844 remainder?f3 patterns. Remove drem_optab.
845 * builtins.c (expand_builtin_mathfn_2): Handle
846 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
847 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
848 expand_builtin_mathfn_2.
850 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
851 depend on flag_unsafe_math_optimizations.
853 * config/i386/i386.md ("remaindersf3", "remainderdf3")
854 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
855 Do not depend on flag_unsafe_math_optimizations. Use
856 truncxf?f expander instead of truncxf?f_i387_noop.
858 ("fpremxf4", "fprem1xf4"): Do not depend on
859 flag_unsafe_math_optimizations.
860 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
861 flag_unsafe_math_optimizations. Use truncxf?f expander
862 instead of truncxf?f_i387_noop.
864 * doc/md.texi (fmod, remainder): Document standard named pattern.
866 2006-10-24 Richard Sandiford <richard@codesourcery.com>
867 David Daney <ddaney@avtrex.com>
870 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
872 2006-10-25 Ben Elliston <bje@au.ibm.com>
874 * doc/extend.texi (Variable Attributes): Typo fix.
876 2006-10-24 Uros Bizjak <uros@kss-loka.si>
878 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
879 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
880 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
881 (FRAME_POINTER_REGNUM): Update register number to 21.
882 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
883 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
885 * config/i386/i386.c (regclass_map): Add fpcr entry.
886 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
888 (print_reg): Assert REGNO (x) != FPCR_REG.
890 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
891 (DIRFLAG_REG): Renumber.
892 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
893 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
894 (sse_prologue_save, *sse_prologue_save_insn): Renumber
895 hardcoded SSE register numbers.
897 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
898 hardcoded MMX register numbers.
900 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
903 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
904 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
906 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
907 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
908 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
909 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
911 2006-10-24 Richard Guenther <rguenther@suse.de>
914 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
915 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
916 for deciding optimizations in consistency with fold-const.c
917 (fold_builtin_unordered_cmp): Likewise.
919 2006-10-24 Richard Guenther <rguenther@suse.de>
921 * builtins.c (fold_builtin_floor): Fold floor (x) where
922 x is nonnegative to trunc (x).
923 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
924 nonnegative to FIX_TRUNC_EXPR.
926 2006-10-24 Richard Guenther <rguenther@suse.de>
928 PR tree-optimization/29567
929 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
930 for TRUTH_NOT_EXPR. Clarify comments.
932 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
935 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
936 at compile-time using MPFR. Change parameter VALUE to FUNC,
938 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
939 for overflow and underflow at all times and avoid folding in
942 2006-10-24 Ben Elliston <bje@au.ibm.com>
944 * reload1.c: Formatting fixes.
946 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
948 PR tree-optimization/14784
949 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
950 * tree-ssa-structalias.c (get_constraint_for,
951 intra_create_variable_infos): Set is_heapvar.
952 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
953 non-heapvar pointer variables specially.
955 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
958 * builtins.c (fold_builtin_sin, fold_builtin_cos,
959 fold_builtin_tan): Fold all constant arguments. Take a "type"
960 argument as necessary.
962 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
964 2006-10-23 Bob Wilson <bob.wilson@acm.org>
966 * config/xtensa/lib1funcs.asm: Use C-style comments.
968 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
970 * tree.c (local_define_builtin): Replace calls to
971 lang_hooks.builtin_function with add_builtin_function.
972 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
974 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
976 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
977 common code to add_builtin_function.
978 * langhooks.c (add_builtin_function): New function.
979 (lhd_builtin_function): New function.
980 * langhooks.h (struct lang_hooks): Change the signature of
982 (add_builtin_function): New function.
983 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
984 calls to lang_hooks.builtin_function with add_builtin_function.
985 * c-common.c (decl_builtin_1): Replace calls to
986 lang_hooks.builtin_function with add_builtin_function.
987 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
988 lang_hooks.builtin_function with add_builtin_function.
989 * config/frv/frv.c (def_builtin): Replace calls to
990 lang_hooks.builtin_function with add_builtin_function.
991 * config/s390/s390.c (s390_init_builtins): Replace calls to
992 lang_hooks.builtin_function with add_builtin_function.
993 * config/sparc/sparc.c (def_builtin): Replace calls to
994 lang_hooks.builtin_function with add_builtin_function.
995 * config/i386/i386.c (def_builtin): Replace calls to
996 lang_hooks.builtin_function with add_builtin_function.
997 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
998 lang_hooks.builtin_function with add_builtin_function.
999 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1000 lang_hooks.builtin_function with add_builtin_function.
1001 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1002 Replace calls to lang_hooks.builtin_function with
1003 add_builtin_function.
1004 * config/iq2000/iq2000.c (def_builtin):
1005 Replace calls to lang_hooks.builtin_function with
1006 add_builtin_function.
1007 * config/ia64/ia64.c (def_builtin): Replace calls to
1008 lang_hooks.builtin_function with add_builtin_function.
1009 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1010 lang_hooks.builtin_function with add_builtin_function.
1011 (altivec_init_builtins): Replace calls to
1012 lang_hooks.builtin_function with add_builtin_function.
1013 * config/arm/arm.c (def_mbuiltin): Replace calls to
1014 lang_hooks.builtin_function with add_builtin_function.
1015 (arm_init_tls_builtins): Replace calls to
1016 lang_hooks.builtin_function with add_builtin_function.
1017 * config/mips/mips.c (mips_init_builtins): Replace calls to
1018 lang_hooks.builtin_function with add_builtin_function.
1019 * config/bfin/bfin.c (def_builtin): Replace calls to
1020 lang_hooks.builtin_function with add_builtin_function.
1021 * langhooks-def.h (lhd_builtin_function): New function.
1022 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1024 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1026 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1027 BUILT_IN_STRNCAT_CHK.
1029 2006-10-23 Jan Hubicka <jh@suse.cz>
1031 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1032 don't do conversion from memmove to memcpy here.
1033 (expand_builtin_bcopy, expand_builtin): Update call of
1034 expand_builtin_memmove.
1035 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1037 2006-10-23 Paul Brook <paul@codesourcery.com>
1039 * stor-layout.c (start_record_layout): maximum_field_alignment
1040 overrides STRUCTURE_SIZE_BOUNDARY.
1042 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1044 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1045 nonlocal function symbols if flag_pic.
1047 2006-10-23 Richard Guenther <rguenther@suse.de>
1051 * builtins.c (fold_binary): Remove checks for flag_wrapv
1052 and flag_trapv where negate_expr_p covers these cases.
1054 2006-10-23 Richard Guenther <rguenther@suse.de>
1057 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1058 of two on the absolute value.
1059 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1060 and negating -C does not overflow.
1062 2006-10-23 Richard Guenther <rguenther@suse.de>
1065 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1066 only if not flag_rounding_math.
1068 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1069 Kaz Kojima <kkojima@gcc.gnu.org>
1072 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1073 SImode memory reference for the source of a movua.
1074 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1075 (movua): Use an unspec instead of sign_extract. Expect the source
1076 to have mode BLKmode.
1077 (extv, insv): Use a BLKmode rather than SImode memory reference
1078 for the source of a movua.
1080 2006-10-22 Jeff Law <law@redhat.com>
1081 Richard Guenther <rguenther@suse.de>
1083 PR tree-optimization/15911
1084 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1085 (register_edge_assert_for_1): Likewise.
1086 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1087 (find_conditional_asserts): Adjust for new function signature.
1088 (find_assert_locations): Likewise.
1090 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1092 * config/i386/tmmintrin.h: Remove the duplicated content.
1094 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1096 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1097 (x86_64-*-*): Likewise.
1099 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1100 (override_options): Check SSSE3.
1101 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1102 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1103 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1104 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1105 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1106 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1107 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1108 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1109 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1110 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1111 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1112 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1113 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1114 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1115 IX86_BUILTIN_PABSD128.
1116 (bdesc_2arg): Add SSSE3.
1117 (bdesc_1arg): Likewise.
1118 (ix86_init_mmx_sse_builtins): Support SSSE3.
1119 (ix86_expand_builtin): Likewise.
1120 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1122 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1123 (UNSPEC_PSIGN): Likewise.
1124 (UNSPEC_PALIGNR): Likewise.
1125 Include mmx.md before sse.md.
1127 * config/i386/i386.opt: Add -mssse3.
1129 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1130 (ssse3_phaddwv4hi3): Likewise.
1131 (ssse3_phadddv4si3): Likewise.
1132 (ssse3_phadddv2si3): Likewise.
1133 (ssse3_phaddswv8hi3): Likewise.
1134 (ssse3_phaddswv4hi3): Likewise.
1135 (ssse3_phsubwv8hi3): Likewise.
1136 (ssse3_phsubwv4hi3): Likewise.
1137 (ssse3_phsubdv4si3): Likewise.
1138 (ssse3_phsubdv2si3): Likewise.
1139 (ssse3_phsubswv8hi3): Likewise.
1140 (ssse3_phsubswv4hi3): Likewise.
1141 (ssse3_pmaddubswv8hi3): Likewise.
1142 (ssse3_pmaddubswv4hi3): Likewise.
1143 (ssse3_pmulhrswv8hi3): Likewise.
1144 (ssse3_pmulhrswv4hi3): Likewise.
1145 (ssse3_pshufbv16qi3): Likewise.
1146 (ssse3_pshufbv8qi3): Likewise.
1147 (ssse3_psign<mode>3): Likewise.
1148 (ssse3_psign<mode>3): Likewise.
1149 (ssse3_palignrti): Likewise.
1150 (ssse3_palignrdi): Likewise.
1151 (abs<mode>2): Likewise.
1152 (abs<mode>2): Likewise.
1154 * config/i386/tmmintrin.h: New file.
1156 * doc/extend.texi: Document SSSE3 built-in functions.
1158 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1160 2006-10-22 Ira Rosen <irar@il.ibm.com>
1162 * tree-vect-transform.c (vectorizable_load): Use the type of the
1163 return value of the mask_for_load builtin to create realign_load
1166 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1168 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1171 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1173 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1174 (UNSPEC_LDDQU): This.
1175 * config/i386/sse.md (sse3_lddqu): Updated.
1177 2006-10-21 Richard Guenther <rguenther@suse.de>
1179 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1180 (expand_builtin): Use it to expand lrint instead of
1181 expand_builtin_mathfn.
1183 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1186 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1187 flag_unsafe_math_optimizations is set.
1189 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1192 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1193 patterns to use memory input operand in x87->mem->XMM
1194 reload sequences. Skip transformation for TARGET_K8.
1196 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1198 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1199 force operand1 to register if both operands are memory operands.
1200 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1201 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1202 if both operands are memory operands.
1203 (truncdfsf2): Do not force operand1 to register if both operands
1204 are memory operands.
1206 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1208 * Makefile.in (LIBS): Add $(GMPLIBS).
1209 * doc/install.texi: Update GMP and MPFR requirements.
1210 * doc/sourcebuild.texi (need_gmp): Delete.
1212 2006-10-21 Richard Guenther <rguenther@suse.de>
1214 PR tree-optimization/3511
1215 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1216 got new invariant arguments during PHI translation.
1218 2006-10-21 Richard Guenther <rguenther@suse.de>
1221 * fold-const.c (fold_comparison): Fold signed comparisons
1222 of the form X +- C1 CMP Y +- C2.
1224 2006-10-21 Richard Guenther <rguenther@suse.de>
1227 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1228 if flag_unsafe_math_optimizations is specified. We have
1229 flag_finite_math_only for that.
1230 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1231 or flag_unsafe_math_optimizations.
1233 2006-10-21 Richard Guenther <rguenther@suse.de>
1235 * builtins.c (fold_builtin_classify): Fix typo.
1237 2006-10-21 Richard Guenther <rguenther@suse.de>
1240 * simplify-rtx.c (simplify_const_relational_operation):
1241 Do not constant-fold ORDERED and UNORDERED for
1242 flag_unsafe_math_optimizations but only we do not need to
1243 honor NaNs for the given mode.
1245 2006-10-21 Richard Guenther <rguenther@suse.de>
1248 * config/i386/i386.c (classify_argument): Remove redundant
1249 walking of the BINFOs.
1250 (contains_128bit_aligned_vector_p): Likewise.
1252 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1254 * BASE-VER: Set to 4.3.0.
1256 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1258 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1259 (tree_decl_with_vis): Remove artificial_pta_var flag.
1260 * tree-flow.h (referenced_var_check_and_insert): Expose.
1261 (nonlocal_all): New prototype.
1262 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1263 (nonlocal_all): Make global.
1264 (nonlocal_lookup): Remove.
1265 (nonlocal_insert): Ditto.
1266 (create_nonlocal_var): Do not call nonlocal_insert.
1267 (get_nonlocal_id_for_type): Remove.
1268 (find_global_initializers): Mark new vars we find for renaming.
1269 (intra_create_variable_infos): Only create one nonlocal.
1270 (expand_nonlocal_solutions): Remove.
1271 (compute_points_to_sets): Don't call it.
1272 (ipa_pta_execute): Ditto.
1273 (init_alias_heapvars): Don't create nonlocal_for_type.
1274 (delete_alias_heapvars): Don't remove it.
1275 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1278 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1280 * doc/install.texi (Downloading GCC): Clarify mention of
1281 Fortran in the "full distribution" description.
1283 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1285 Fix PR tree-optimization/28778
1286 Fix PR tree-optimization/29156
1287 Fix PR tree-optimization/29415
1288 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1289 (tree_decl_with_vis): Add artificial_pta_var flag.
1290 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1291 pushed into callers.
1292 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1293 (nonlocal_all): Ditto.
1294 (struct variable_info): Add directly_dereferenced member.
1295 (var_escaped_vars): New variable.
1296 (escaped_vars_tree): Ditto.
1297 (escaped_vars_id): Ditto.
1298 (nonlocal_vars_id): Ditto.
1299 (new_var_info): Set directly_dereferenced.
1300 (graph_size): New variable
1301 (build_constraint_graph): Use graph_size.
1302 (solve_graph): Don't process constraints that cannot change the
1303 solution, don't try to propagate an empty solution to our
1305 (process_constraint): Set directly_dereferenced.
1306 (could_have_pointers): New function.
1307 (get_constraint_for_component_ref): Don't process STRING_CST.
1308 (nonlocal_lookup): New function.
1309 (nonlocal_insert): Ditto.
1310 (create_nonlocal_var): Ditto.
1311 (get_nonlocal_id_for_type): Ditto.
1312 (get_constraint_for): Allow results vector to be empty in the case
1313 of string constants.
1314 Handle results of calls properly.
1315 (update_alias_info): Update alias info stats on number and type of
1317 (find_func_aliases): Use could_have_pointers.
1318 (make_constraint_from_escaped): Renamed from
1319 make_constraint_to_anything, and changed to make constraints from
1321 (make_constraint_to_escaped): New function.
1322 (find_global_initializers): Ditto.
1323 (create_variable_info_for): Make constraint from escaped to any
1324 global variable, and from any global variable to the set of
1326 (intra_create_variable_infos): Deal with escaped instead of
1327 pointing to anything.
1328 (set_uids_in_ptset): Do type pruning on directly dereferenced
1330 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1331 (init_base_vars): Fix comment, and initialize escaped_vars.
1332 (need_to_solve): Removed.
1333 (find_escape_constraints): New function.
1334 (expand_nonlocal_solutions): Ditto.
1335 (compute_points_to_sets): Call find_escape_constraints and
1336 expand_nonlocal_solutions.
1337 (delete_points_to_sets): Don't fall off the end of the graph.
1338 (init_alias_heapvars): Initialize nonlocal_for_type and
1340 (delete_alias_heapvars): Free nonlocal_for_type and null out
1343 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1345 * fold-const.c (add_double): Rename to add_double_with_sign.
1346 Add 'unsigned_p' parameter and take it into account for the overflow.
1347 (mul_double): Rename to mul_double_with_sign.
1348 Add 'unsigned_p' parameter and take it into account for the overflow.
1349 (fold_div_compare): Call add_double_with_sign instead of add_double
1350 and mul_double_with_sign instead of mul_double, passing them the
1351 unsignedness of the type.
1352 * tree.h (add_double): Macroize.
1353 (add_double_with_sign): New prototype.
1354 (mul_double): Macroize.
1355 (mul_double_with_sign): New prototype.
1357 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1359 * config/score/crti.asm: New file.
1360 * config/score/crtn.asm: New file.
1361 * config/score/elf.h: New file.
1362 * config/score/mac.md: New file.
1363 * config/score/misc.md: New file.
1364 * config/score/mul-div.S: New file.
1365 * config/score/predicates.md: New file.
1366 * config/score/score7.md: New file.
1367 * config/score/score.c: New file.
1368 * config/score/score-conv.h: New file.
1369 * config/score/score.h: New file.
1370 * config/score/score.md: New file.
1371 * config/score/score-mdaux.c: New file.
1372 * config/score/score-mdaux.h: New file.
1373 * config/score/score-modes.def: New file.
1374 * config/score/score.opt: New file.
1375 * config/score/score-protos.h: New file.
1376 * config/score/score-version.h: New file.
1377 * config/score/t-score-elf: New file.
1378 * config.gcc: Add score*-*-* configurations(Update before).
1379 * doc/invoke.texi (Score Options): New section.
1380 * doc/md.texi (Score family): New section to document constraints.
1382 2006-10-19 Nick Clifton <nickc@redhat.com>
1384 * config/arm/arm.c: Fix spelling typo.
1386 2006-10-18 Tom Tromey <tromey@redhat.com>
1388 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1390 2006-10-18 Jan Hubicka <jh@suse.cz>
1393 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1396 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1398 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1399 TSI_SAME_STMT, since that's the desired entity.
1401 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1403 * config/s390/contraints.md: New file.
1404 * config/s390/s390-protos.h (s390_mem_constraint,
1405 s390_O_constraint_str, s390_N_constraint_str,
1406 s390_float_const_zero_p): Function prototypes added.
1407 * config/s390/s390.c (s390_extra_constraint_str,
1408 s390_const_double_ok_for_constraint_p,
1409 s390_const_ok_for_constraint_p): Functions removed.
1410 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1411 s390_float_const_zero_p): New functions.
1412 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1413 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1414 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1415 Macro definitions removed.
1416 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1417 s390_extra_constraint_str): Functions removed.
1419 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1420 Richard Sandiford <richard@codesourcery.com>
1423 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1424 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1426 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1428 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1429 (DWARF2_FRAME_REG_OUT): Likewise.
1430 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1431 (DWARF2_FRAME_REG_OUT): Likewise.
1433 2006-10-17 Paul Brook <paul@codesourcery.com>
1435 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1437 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1439 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1440 Standardize on "GNU Fortran" as the official name of the Fortran
1443 2006-10-16 Mike Stump <mrs@apple.com>
1445 * doc/invoke.texi (Darwin Options): Document -mkernel.
1446 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1448 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1449 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1450 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1451 (OS_MISSING_ALTIVEC): Add.
1452 * config/i386/i386.c (override_options): Add
1453 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1454 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1455 -mkernel, -static or -mdynamic-no-pic is given.
1456 (C_COMMON_OVERRIDE_OPTIONS): Add.
1457 * config/darwin.opt (fapple-kext): Add.
1459 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1460 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1462 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1463 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1464 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1465 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1466 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1467 (flag_mkernel): Add.
1468 (flag_apple_kext): Add.
1469 (TARGET_KEXTABI): Add.
1470 * config/darwin.c (darwin_handle_kext_attribute): Add.
1471 (DARWIN_VTABLE_P): Add.
1472 (darwin_binds_local_p): Add partial support for rebinding vtables
1474 (darwin_kextabi_p): Add.
1475 (darwin_override_options): Add.
1476 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1477 (darwin_kextabi_p): Add.
1478 (darwin_override_options): Add.
1479 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1480 __DYNAMIC__ and __STATIC__ here.
1482 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1484 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1485 Added mention of "make pdf" target, and Texinfo requirements for
1488 2006-10-16 DJ Delorie <dj@redhat.com>
1490 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1491 into the GOT in case we need a subreg of the address.
1493 2006-10-16 Richard Guenther <rguenther@suse.de>
1496 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1497 SSE builtin documentation. Document SSE2 builtins.
1499 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1501 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1502 symbol in the output file for non-shared links when -nostdlib or
1503 -nodefaultlibs isn't specified.
1505 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1506 posix thread support.
1508 2006-10-15 Jan Hubicka <jh@suse.cz>
1511 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1512 declared always_inline even when not inlining.
1514 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1515 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1516 Andrew Pinski <pinskia@gmail.com>
1519 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1521 2006-10-15 Jan Hubicka <jh@suse.cz>
1522 Richard Guenther <rguenther@suse.de>
1525 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1526 process_function_and_variable_attributes on all variables, including
1527 those discovered during cgraph construction phase.
1529 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1531 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1533 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1535 * config/i386/athlon.md (athlon_fist): Add fisttp.
1537 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1538 Ian Lance Taylor <ian@airs.com>
1541 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1542 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1545 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1547 * config/score/score.c, config/score/score.h: Fix comment
1550 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1553 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1556 2006-10-13 Eric Christopher <echristo@apple.com>
1558 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1560 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1563 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1564 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1565 alignment supported by 32-bit ELF.
1567 2006-10-13 Eric Christopher <echristo@apple.com>
1569 * config/darwin.c (darwin_emit_unwind_label): Strip
1570 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1572 2006-10-13 Richard Guenther <rguenther@suse.de>
1574 PR tree-optimization/29446
1575 * tree-vrp.c (fix_equivalence_set): Remove.
1576 (extract_range_from_assert): Do not call fix_equivalence_set.
1577 (debug_value_range): Print a newline.
1578 (compare_name_with_value): For equivalence sets with
1579 inconsistent value ranges conservatively bail out.
1580 (compare_names): Likewise.
1582 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1584 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1585 and MPFR for gfortran.
1587 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1589 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1590 alignment supported by 32-bit ELF.
1592 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1596 * c-typeck.c (digest_init): Always allow initializing vectors
1597 that have static storage duration with compound literals.
1598 * tree.c (build_type_attribute_qual_variant): New, based on
1599 build_type_attribute_variant.
1600 (build_type_attribute_variant): Rewrite using the former.
1601 (make_vector_type): Use build_type_attribute_qual_variant to build
1602 type variants. Use type_hash_canon on the others.
1604 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1605 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1607 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1609 2006-10-12 Jan Hubicka <jh@suse.cz>
1612 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1613 current_function_decl is set but current_function_scope is not.
1615 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1617 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1618 emit_insn to emit eh_return_internal instruction.
1619 (eh_return_internal): Explicitly set pc.
1621 2006-10-11 Richard Guenther <rguenther@suse.de>
1623 PR tree-optimization/28230
1624 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1625 to the correct place.
1627 2006-10-11 Richard Guenther <rguenther@suse.de>
1630 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1633 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1635 * configure.ac: Added pdf to "Make-hooks"
1636 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1637 targets and *.pdf file patterns in cleanup targets.
1638 * configure: Regenerated.
1640 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1642 * config/avr/predicates.md: New file.
1643 * config/avr/avr.md: Include it.
1644 (REG_SP): New constant.
1645 (peepholes): Use predicates.
1646 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1647 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1648 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1650 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1652 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1655 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1658 * builtins.c (var_decl_component_p): New function.
1659 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1660 single entry optimization to variables and components thereof.
1662 2006-10-10 Richard Guenther <rguenther@suse.de>
1664 PR rtl-optimization/29323
1665 * except.c (set_nothrow_function_flags): For functions
1666 that do not bind local bail out early.
1668 2006-10-10 Ben Elliston <bje@au.ibm.com>
1670 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1673 2006-10-09 Richard Henderson <rth@redhat.com>
1675 Revert emutls patch.
1677 2006-10-09 Richard Guenther <rguenther@suse.de>
1680 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1683 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1686 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1687 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1688 * configure: Regenerate.
1689 * config.in: Regenerate.
1691 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1693 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1695 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1697 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1698 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1699 Remove stray newline.
1701 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1703 * config/mips/mips.c (mips_classify_symbol): Do not return
1704 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1705 (mips_in_small_data_p): Tweak comments.
1707 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1709 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1711 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1713 * gimplify.c, sched-int.h: Fix comment typos.
1715 * sched-int.h: Fix comment typos.
1717 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1719 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1721 * sched-ebb.c (begin_schedule_ready): Use them.
1722 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1723 add_to_speculative_block, create_check_block_twin, speculate_insn,
1724 fix_jump_move, move_block_after_check): Ditto.
1725 * sched-rgn.c (new_ready): Ditto.
1727 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1729 PR rtl-optimization/29128
1730 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1731 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1732 allow interblock movement of speculation checks.
1734 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1737 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1738 casted to integer type.
1739 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1740 if they are significantly more expensive than [reg + index] ones.
1742 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1744 PR tree-optimization/29330
1745 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1746 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1747 on newly allocated ddrs.
1748 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1749 to VEC (loop_p, heap) pointer.
1750 (compute_data_dependences_for_loop): Adjust caller.
1751 (free_dependence_relations): Free DDR_LOOP_NEST.
1753 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1754 free DEPENDENCE_RELATIONS and DATAREFS.
1757 * builtins.c (expand_builtin_sync_operation,
1758 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1759 Use convert_to_mode to handle promoted arguments.
1761 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1763 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1765 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1767 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1769 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1771 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1772 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1773 Use <modeconstraint> instead of "r" as operand 1 constraint.
1775 2006-10-06 Olivier Hainque <hainque@adacore.com>
1777 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1778 Don't recurse on the pointed-to type.
1779 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1780 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1781 types with components of variable size.
1783 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1785 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1787 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1789 PR tree-optimization/29290
1790 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1794 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1795 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1798 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1799 the number of vector elements fill the rest with zeros.
1801 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1803 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1804 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1807 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1809 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1810 unnamed pattern into subsi3. Use correct constraints/predicates.
1811 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1812 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1814 2006-10-05 Ira Rosen <irar@il.ibm.com>
1816 * doc/loop.texi: Add data references analysis description.
1818 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1820 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1822 2006-10-04 Richard Henderson <rth@redhat.com>
1823 Jakub Jelinek <jakub@redhat.com>
1825 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1826 * builtin-types.def (BT_WORD): Make unsigned.
1827 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1828 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1829 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1830 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1831 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1832 * cgraph.c (decide_is_variable_needed): Look at force_output.
1833 Recurse for emulated tls.
1834 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1835 checks redundant with decide_is_variable_needed.
1836 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1837 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1839 * expr.c (emutls_var_address): New.
1840 (expand_expr_real_1): Expand emulated tls.
1841 (expand_expr_addr_expr_1): Likewise.
1842 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1843 * output.h (emutls_finish): Declare.
1844 * toplev.c (compile_file): Call it.
1845 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1846 address before wrapping in CONST.
1847 * varasm.c (emutls_htab, emutls_object_type): New.
1848 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1849 (get_emutls_object_name, get_emutls_object_type): New.
1850 (get_emutls_init_templ_addr, emutls_decl): New.
1851 (emutls_common_1, emutls_finish): New.
1852 (assemble_variable): When emulating tls, swap decls; generate
1853 constructor for the emutls objects.
1854 (do_assemble_alias): When emulating tls, swap decl and target name.
1855 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1857 * emutls.c: New file.
1858 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1859 tls_object for real tls.
1861 2006-10-04 Zack Weinberg <zackw@panix.com>
1863 Fix bug in constraint-check generator, reported by Rask Ingemann
1865 * genpreds.c (add_constraint): Don't remove anything from the
1867 (write_tm_constrs_h): Detect whether "op" argument is used, and
1868 mark it ARG_UNUSED if it isn't.
1869 (write_insn_const_int_ok_for_constraint): Skip the part of the
1870 expression that would test whether "op" (which is not available
1871 here) is a CONST_INT.
1873 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1876 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1878 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1880 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1881 current Leopard versions.
1882 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1884 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1886 * doc/install.texi: Fix typos.
1888 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1890 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1891 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1892 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1894 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1896 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1897 arg to be struct mach_header_64* instead.
1899 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1902 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1903 side effects after the outer expression's post side effects.
1905 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1907 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1908 comments to reflect actual behavior and relationship between
1909 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1911 * doc/c-tree.texi (Working with declarations): Fix documentation
1912 of FIELD_DECL likewise.
1914 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1917 * doc/extend.texi: Add used variable attribute description.
1919 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1922 * c.opt (Woverride-init): New.
1923 * c-opts.c (c_common_post_options): Default warn_override_init to
1925 * c-typeck.c (add_pending_init, output_init_element): Warn for
1926 overriding initializers without side effects.
1927 * doc/invoke.texi (-Woverride-init): Document.
1930 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1932 PR rtl-optimization/28096
1933 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1934 assignment has already been used as a destination earlier in the block.
1936 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1938 * builtins.c (expand_builtin_setjmp): Delete.
1939 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1940 <BUILT_IN_SETJMP_SETUP>: New case.
1941 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1942 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1943 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1944 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1945 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1946 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1947 (lower_function_body): Initialize it to false. If it is set to true
1948 at the end of the processing, emit the setjmp dispatcher.
1949 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1950 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1951 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1952 on the rhs of the assignment.
1953 (lower_builtin_setjmp): New function.
1954 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1955 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1956 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1957 to detect calls that can go to non-local labels. Use specific
1958 helper to create the abnormal edges associated with them.
1959 <MODIFY_EXPR>: Likewise.
1960 (make_abnormal_goto_edges): New function extracted from...
1961 (make_goto_expr_edges): ...here. Call it for computed gotos.
1962 (simple_goto_p): Minor tweak.
1963 (tree_can_make_abnormal_goto): New predicate.
1964 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1965 (tree_purge_dead_abnormal_call_edges): New function.
1966 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1967 (tree_purge_dead_abnormal_call_edges): Likewise.
1968 (make_abnormal_goto_edges): Likewise.
1969 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1970 Purge all dead abnormal edges if the call was in the last statement.
1971 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1972 (execute_fixup_cfg): If there are non-local labels in the function,
1973 scan the basic blocks and split them at calls that can go to non-local
1974 labels or add missing abnormal call edges. Write down the CFG in the
1976 (pass_fixup_cfg): Remove TODO_dump_func flag.
1977 * unwind-sjlj.c: Poison setjmp.
1978 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1979 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1980 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1981 (DONT_USE_BUILTIN_SETJMP): Document it.
1983 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1986 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1987 to 1 when __ppc64__ is defined.
1988 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1990 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1992 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1994 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1995 * config/ia64/unwind-hpux.c: Delete.
1997 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1999 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2000 on the element before gimplifying it, instead of punting if it is of
2003 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2005 * doc/loop.texi: New file.
2006 * doc/gccint.texi: Reference loop.texi.
2007 * Makefile.in (loop.texi): Add.
2009 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2011 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2013 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2014 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2016 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2018 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2020 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2022 * doc/install.texi: Document required versions of GMP and MPFR.
2024 2006-09-27 Paul Brook <paul@codesourcery.com>
2027 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2029 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2031 * reload1.c (alter_reg): Require the alignment of the stack slot to
2032 be at least reg_max_ref_width bytes.
2033 (scan_paradoxical_subregs): Record the largest width in
2036 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2040 * tree-nested.c (struct nesting_info): Added static_chain_added.
2041 (convert_call_expr): Set static_chain_added when adding static
2042 chain. Handle OMP_PARALLEL and OMP_SECTION.
2044 2006-09-25 Matthias Klose <doko@debian.org>
2046 * doc/invoke.texi: Add missing full stop.
2048 2006-09-25 Richard Henderson <rth@redhat.com>
2050 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2051 before cgraph_function_flags_ready.
2053 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2054 Adam Nemet <anemet@caviumnetworks.com>
2056 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2057 determine_common_wider_type): New functions.
2058 (get_computation_aff): Use them to simplify arithmetic between
2059 UBASE and CBASE if they are shortened from the same type.
2061 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2064 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2065 -2147483647 - 1 instead of 0x80000000.
2067 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2069 * flags.h (HONOR_NANS): Fix typo in comment.
2071 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2073 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2075 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2079 * tree.c (merge_attributes, attribute_list_contained): If both
2080 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2082 * c-typeck.c (comptypes_internal): Don't consider aggregates
2083 in different TUs as compatible if there one set of attributes is
2084 not a subset of the other type's attributes.
2085 (composite_type): Try harder not to create a new aggregate type.
2087 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2089 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2090 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2091 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2092 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2093 than replicating condition above.
2094 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2096 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2097 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2098 the linker by default.
2100 2006-09-22 Mike Stump <mrs@apple.com>
2102 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2105 2006-09-22 Richard Guenther <rguenther@suse.de>
2108 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2109 sort of stack variables stable.
2111 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2114 * explow.c (force_reg): Set REG_POINTER flag according to
2117 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2119 PR tree-optimization/28888
2120 * tree-if-conv.c (combine_blocks): Rewritten.
2121 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2122 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2124 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2126 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2129 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2131 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2133 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2135 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2137 2006-09-21 Roger Sayle <roger@eyesopen.com>
2140 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2141 dw_fde_current_label, to be the start of the function, i.e. the same
2142 value as dw_fde_begin.
2144 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2146 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2147 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2148 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2149 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2150 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2151 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2152 (abs<mode>2, neg<mode>2): Likewise.
2153 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2154 (*mips_abs_ps): New define_insn.
2156 2006-09-20 Josh Conner <jconner@apple.com>
2159 * calls.c (expand_call): Allow reuse of structure return stack
2162 2006-09-20 Paul Brook <paul@codesourcery.com>
2164 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2167 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2169 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2170 clean up terminology.
2172 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2175 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2176 with tablejumps in them.
2178 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2181 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2182 wrap it into TARGET_EXPR.
2184 2006-09-20 Eric Christopher <echristo@apple.com>
2186 * config/i386/i386.c (x86_fisttp): Remove.
2187 * config/i386/i386.h (x86_fisttp): Ditto.
2188 (TARGET_FISTTP): Ditto.
2190 2006-09-19 Eric Christopher <echristo@apple.com>
2192 * doc/tm.texi (OBJC_JBLEN): Describe.
2193 * config/i386/darwin.h (OBJC_JBLEN): Define.
2194 * config/rs6000/darwin.h: Ditto.
2196 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2198 PR rtl-optimization/21299
2199 * reload1.c (reload): Purge invalid ASMs in the final pass.
2201 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2204 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2205 pointers as legitimate constants.
2207 2006-09-19 Paul Brook <paul@codesourcery.com>
2210 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2212 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2214 PR tree-optimization/28887
2215 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2216 component parts from the reference.
2217 (gather_memory_references_ref): Record the reference without the
2218 nonaddressable component parts.
2220 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2223 * c-opts.c (c_common_handle_option): Ignore the -std options
2224 if the input language is assembly.
2226 2006-09-17 Ira Rosen <irar@il.ibm.com>
2229 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2231 (ptr_ptr_may_alias_p): Likewise.
2232 (record_record_differ_p): New function.
2233 (base_object_differ_p): Call record_record_differ_p.
2235 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2238 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2239 away for the expr argument.
2241 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2244 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2245 before using it for dumping after vectorizing loops.
2247 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2248 Jack Howarth <howarth@bromo.med.uc.edu>
2251 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2252 skip on error_mark_node.
2253 (rs6000_darwin64_record_arg_recurse): Likewise.
2255 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2257 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2258 * doc/rtl.texi: Remove related documentation.
2260 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2262 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2265 2006-09-15 Jim Wilson <wilson@specifix.com>
2267 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2268 Handle symbol offsets same as they are handled in ia64_expand_move
2271 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2273 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2274 Add forgotten parameter to the fprintf call.
2276 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2278 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2280 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2282 * doc/contrib.texi: Add my entry.
2284 2006-09-15 Nick Clifton <nickc@redhat.com>
2286 * doc/md.texi (Processor pipeline description): Fix typo in
2287 example of how to use the absence_set directive and reword the
2288 description to make it slightly easier to read.
2290 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2292 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2293 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2294 expanding the number of iterations.
2295 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2297 * cfgrtl.c (emit_insn_at_entry): New function.
2298 * rtl.h (emit_insn_at_entry): Declare it.
2299 * integrate.c (emit_initial_value_sets): Use it.
2301 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2303 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2305 (struct loop_work and related VEC declarations): Delete.
2306 (bfin_dump_loops): Print out new member bad.
2307 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2308 (bfin_scan_loop): Don't recurse.
2309 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2310 loops. No longer need to update outer loops if the current one is
2311 found bad. Move some validitiy checks to bfin_discover_loop.
2312 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2313 but changed not to check for nesting. Also changed to use the new bad
2315 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2316 time. Use bitmap based test to discover loop nesting.
2318 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2320 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2323 2006-09-14 Richard Guenther <rguenther@suse.de>
2324 Kazu Hirata <kazu@codesourcery.com>
2326 PR middle-end/28884.
2327 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2328 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2329 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2330 with TARGET_FUNCTION_VALUE.
2332 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2335 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2337 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2339 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2342 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2345 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2348 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2350 * basic_block.h (bb_has_eh_pred): Fix comment.
2352 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2354 * flow.c (calculate_global_regs_live): Invalidate eh registers
2355 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2356 (propagate_block): Handle eh registers as if they were set at basic
2358 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2360 * global.c (global_conflicts): Make eh registers to conflict with
2361 pseudos live at basic block begin.
2362 * basic_block.h (bb_has_eh_pred): New function.
2364 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2366 PR rtl-optimization/28982
2367 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2368 index of a PRE_MODIFY or POST_MODIFY address.
2369 * reload1.c (inc_for_reload): Use find_replacement on the original
2370 base and index registers.
2372 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2374 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2375 for -Os. Update __m128 alignment requirement.
2377 2006-09-13 Jan Hubicka <jh@suse.cz>
2379 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2381 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2383 PR rtl-optimization/28243
2384 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2385 the insn to which the note was originally attached.
2387 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2388 Roger Sayle <roger@eyesopen.com>
2390 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2391 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2392 on platforms that don't use dwarf for debug info.
2394 2006-09-12 Jason Merrill <jason@redhat.com>
2397 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2398 hard_frame_pointer_rtx after using it to update the frame pointer.
2400 2006-09-12 Roger Sayle <roger@eyesopen.com>
2402 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2403 (TARGET_ASM_CLOSE_PAREN): Likewise.
2404 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2405 (TARGET_ASM_CLOSE_PAREN): Likewise.
2407 2006-09-12 Roger Sayle <roger@eyesopen.com>
2410 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2411 frame information for frames larger than 512 Kbytes on Tru64 when
2412 using the native assembler.
2414 2006-09-12 Roger Sayle <roger@eyesopen.com>
2418 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2419 and symbols. Instead use the implementation from cse.c's hash_rtx.
2421 2006-09-12 Jan Hubicka <jh@suse.cz>
2423 PR rtl-optimization/28071
2424 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2425 (vect_transform_loop): Likewise.
2426 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2427 (new_loop_vec_info): Likewise.
2428 (destroy_loop_vec_info): Likewise.
2429 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2430 (create_stmt_ann): Likewise.
2431 (create_tree_ann): Rename to ...
2432 (create_tree_common_ann): ... this one; allocate only the common part
2434 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2435 (get_value_handle): Likewise.
2436 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2437 get_tree_common_ann.
2438 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2439 (vinfo_for_stmt): Use stmt annotations.
2440 * tree-flow.h (tree_ann_common_t): New type.
2441 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2442 (tree_ann, get_tree_ann, create_tree_ann): New.
2443 * tree-flow-inline.h (get_function_ann): Do more type checking.
2444 (stmt_ann): Likewise.
2445 (tree_ann): Rename to ...
2446 (tree_common_ann): ... this one; return ony common_ann
2447 (get_tree_ann): Rename to ...
2448 (tree_common_ann): This one; return only common_ann.
2449 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2452 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2454 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2455 with_cpu by default.
2457 * dwarf2out.c (dwarf_file_data): New.
2458 (enum dw_val_class): Add dw_val_class_file.
2459 (struct dw_val_struct): Add val_file.
2460 (file_table): Change to a hash table.
2461 (file_table_emitted): Delete.
2462 (file_table_last_lookup_index): Delete.
2463 (emitcount): Delete.
2464 (last_emitted_file): New.
2465 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2466 (init_file_table): Delete.
2467 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2468 (AT_addr): Add comment.
2472 (print_die): Handle dw_val_class_file.
2473 (print_dwarf_line_table): Update for new file table structure.
2474 (attr_checksum): Do checksum a filename.
2475 (same_dw_val_p, same_attr_p): Do compare a filename.
2476 (size_of_die): Handle dw_val_class_file.
2477 (value_format): Likewise.
2478 (output_die): Likewise. Also, call maybe_emit_file here.
2479 (struct file_info): Constify filenames. Make file_idx a pointer
2480 to a struct dwarf_file_data.
2481 (struct dir_info): Constify directory names. Remove 'used' field.
2482 (struct file_name_acquire_data): New.
2483 (file_name_acquire): New.
2484 (output_file_names): Modify to handle new file data structures.
2485 (add_src_coords_attributes): Use add_AT_file.
2486 (add_call_src_coords_attributes): Likewise.
2487 (dwarf2out_imported_module_or_decl): Likewise.
2488 (gen_subprogram_die): Modify for new file data structures.
2489 (gen_variable_die): Likewise.
2490 (file_table_eq): New.
2491 (file_table_hash): New.
2492 (file_table_last_lookup): New.
2493 (lookup_filename): Rewrite to handle new file data structures.
2494 (maybe_emit_file): Rewrite to handle new file data structures.
2495 (dwarf2out_source_line): Always call lookup_filename and
2497 (dwarf2out_init): Create file_table here.
2498 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2499 (file_table_relative_p): New.
2500 (dwarf2out_finish): Change detection of relative filenames
2501 to work with new file data structures. Move output_line_info call
2502 after debug_info output.
2504 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2509 * config/i386/i386.c (override_options): Always default to 16
2510 byte stack boundary.
2512 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2515 * var-tracking.c (dump_dataflow_set): Start dumping at
2517 (clobber_variable_part): Kill only the variable part in
2518 registers holding it, leaving other variables alone.
2520 2006-09-11 Josh Triplett <josh@freedesktop.org>
2522 * doc/extend.texi (Other Builtins): Actually use the macro
2523 argument in the documentation example for
2524 __builtin_types_compatible_p.
2526 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2528 PR rtl-optimization/28726
2529 * sched-deps.c (sched_analyze_reg): New function extracted from...
2530 (sched_analyze_1): ...here. Call it to analyze references to
2531 registers. Treat again writes to a stack register as writing to the
2533 (sched_analyze_2): ...and here. Call it to analyze references to
2534 registers. Treat again reads of a stack register as reading the
2537 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2538 David Edelsohn <edelsohn@gnu.org>
2541 * config/rs6000/spe.md (frob_df_di): Remove %H.
2542 (frob_di_df): Remove %H. Change evmergelo to mr.
2543 (frob_di_df_2): Remove %H. Change evldd to two loads.
2545 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2547 * doc/cpp.texi: Fix names of charset options.
2549 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2552 * config/i386/i386.c (override_options): Use 128-bit
2553 stack boundary always for 64bits.
2555 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2557 PR rtl-optimization/28636
2558 * combine.c (force_to_mode): Test for side-effects before
2559 substituting by zero.
2560 (simplify_shift_const): Likewise for zero or other constants.
2562 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2565 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2568 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2571 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2572 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2573 returned by mode_for_size, rather than the mode of src itself,
2574 to choose between 32-bit and 64-bit patterns.
2575 (mips_mem_fits_mode_p): New function.
2576 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2577 that the size of the source matches the size of the destination.
2578 (mov_<store>l, mov_<store>r): Likewise.
2580 2006-09-10 Eric Christopher <echristo@apple.com>
2582 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2585 2006-09-09 Eric Christopher <echristo@apple.com>
2588 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2591 2006-09-09 Roger Sayle <roger@eyesopen.com>
2592 Nicolas Setton <setton@adacore.com>
2594 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2596 2006-09-10 Andreas Schwab <schwab@suse.de>
2598 * config/m68k/m68k.md (bungt_rev): New pattern.
2600 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2601 Dale Johannesen <dalej@apple.com>
2604 * regclass.c (struct reg_pref): Update documentation.
2605 (regclass): Set prefclass to NO_REGS if memory is the best option.
2606 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2608 2006-09-08 Eric Christopher <echristo@apple.com>
2610 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2611 * config/t-slibgcc-darwin: Support x86_64 multilib.
2612 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2613 Return 1 for x86_64-darwin.
2614 * config/i386/t-darwin: Add m64 multilib.
2615 (LIB2_SIDITI_CONV_FUNCS): Use.
2616 (LIB2FUNCS_EXTRA): Ditto.
2617 * config/i386/darwin.h: Support x86_64.
2618 * config/i386/i386.c (override_options): Turn on flag_pic
2619 for x86_64-darwin. Disable flag_omit_pointer.
2620 (get_pc_thunk_name): Assert !TARGET_64BIT.
2621 (legitimate_address_p): Disable machopic addressing for
2623 (legitimize_pic_address): Ditto.
2624 (ix86_expand_move): Ditto.
2625 (ix86_expand_call): Ditto.
2626 (machopic_output_stub): Ditto.
2627 * config/darwin.c (machopic_select_section): Support literal16.
2628 (machopic_select_rtx_section): Ditto.
2629 * config/darwin-sections.def: Ditto.
2630 * config/darwin-64.c: New.
2632 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2635 * c-tree.h (struct c_arg_info): Add pending_sizes.
2636 * c-parser.c (c_parser_parms_declarator,
2637 c_parser_parms_list_declarator): Initialize pending_sizes.
2638 * c-decl.c (get_parm_info): Initialize pending_sizes.
2639 (get_parm_info): Set pending_sizes.
2640 (grokdeclarator): Call put_pending_sizes for parameters for
2641 function definition only.
2643 2006-09-07 Jason Merrill <jason@redhat.com>
2646 * varasm.c (output_constant): Only strip actual no-op conversions.
2649 * config/i386/i386.c (override_options): Use 128-bit
2650 stack boundary if -msse.
2652 2006-09-07 Eric Christopher <echristo@apple.com>
2654 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2656 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2659 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2661 * dwarf2out.c: Remove strange characters from comment above
2662 dwarf2out_frame_debug_expr.
2664 2006-09-07 Eric Christopher <echristo@apple.com>
2666 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2667 * config/darwin.h: ... to here.
2669 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2671 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2673 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2674 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2676 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2677 TARGET_PARTIAL_FLAG_REG_STALL.
2678 (*ashldi3_cconly_rex64): Likewise.
2679 (*ashlsi3_cmp): Likewise.
2680 (*ashlsi3_cconly): Likewise.
2681 (*ashlsi3_cmp_zext): Likewise.
2682 (*ashlhi3_cmp): Likewise.
2683 (*ashlhi3_cconly): Likewise.
2684 (*ashlqi3_cmp): Likewise.
2685 (*ashlqi3_cconly): Likewise.
2686 (*ashrdi3_cmp_rex64): Likewise.
2687 (*ashrdi3_cconly_rex64): Likewise.
2688 (*ashrsi3_cmp): Likewise.
2689 (*ashrsi3_cconly): Likewise.
2690 (*ashrsi3_cmp_zext): Likewise.
2691 (*ashrhi3_cmp): Likewise.
2692 (*ashrhi3_cconly): Likewise.
2693 (*ashrqi3_cmp): Likewise.
2694 (*ashrqi3_cconly): Likewise.
2695 (*lshrdi3_cmp_rex64): Likewise.
2696 (*lshrdi3_cconly_rex64): Likewise.
2697 (*lshrsi3_cmp): Likewise.
2698 (*lshrsi3_cconly): Likewise.
2699 (*lshrsi3_cmp_zext): Likewise.
2700 (*lshrhi3_cmp): Likewise.
2701 (*lshrhi3_cconly): Likewise.
2702 (*lshrqi2_cmp): Likewise.
2703 (*lshrqi2_cconly): Likewise.
2705 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2708 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2709 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2710 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2711 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2712 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2713 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2714 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2715 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2716 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2717 implement only CC setting effects of shift instructions.
2719 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2721 * doc/contrib.texi: Add myself.
2723 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2726 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2727 was set by the user.
2729 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2732 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2733 (divsi_inv_m1): Use them.
2734 (UNSPEC_DIV_INV_TABLE): New constant.
2736 2006-09-06 James E Wilson <wilson@specifix.com>
2739 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2740 then call count_or_remove_death_notes.
2742 2006-09-06 Jason Merrill <jason@redhat.com>
2745 * tree-inline.c (copy_result_decl_to_var): New fn.
2746 (declare_return_variable): Use it. Call declare_inline_vars here.
2747 (expand_call_inline): Not here.
2749 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2751 * doc/contrib.texi: Update my entry.
2753 2006-09-06 Nick Clifton <nickc@redhat.com>
2755 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2757 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2760 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2761 (canonicalize_induction_variables): Likewise.
2762 (tree_unroll_loops_completely): Likewise.
2763 (tree_ssa_prefetch_arrays): Likewise.
2764 (remove_empty_loops): Likewise.
2765 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2766 TODO_cleanup_cfg instead of directly calling
2767 cleanup_tree_cfg_loop.
2768 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2770 (tree_unroll_loops_completely): Likewise.
2771 (remove_empty_loops): Likewise.
2772 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2773 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2774 of tree_ssa_unswitch_loops.
2775 (tree_ssa_loop_ivcanon): Use the return value of
2776 canonicalize_induction_variables.
2777 (tree_ssa_empty_loop): Use the return value of
2779 (tree_complete_unroll): Use the return value of
2780 tree_unroll_loops_completely.
2781 (tree_ssa_loop_prefetch): Use the return value of
2782 tree_ssa_prefetch_arrays.
2783 * passes.c (execute_todo): Before Cleanup CFG, set
2784 updating_used_alone and after cleanup CFG, call
2785 recalculate_used_alone.
2787 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2790 * tree-vect-transform.c (vectorizable_condition): Move the check
2791 for the type after the check for simple condition.
2793 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2794 Kaz Kojima <kkojima@gcc.gnu.org>
2797 * mode-switching.c (optimize_mode_switching): Make the destination
2798 block of an abnormal edge have no anticipatable mode. Don't
2799 insert mode switching code at the end of the source block of
2802 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2804 PR rtl-optimization/26847
2805 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2806 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2807 (simplify_plus_minus): Count n_constants while filling ops. Replace
2808 qsort with insertion sort. Before going through the array to simplify
2809 pairs, sort it. Delay early exit until after the first sort, exiting
2810 only if no swaps occurred. Simplify pairs in reversed order, without
2811 special-casing the first iteration. Pack ops after simplifying pairs.
2813 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2815 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2816 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2817 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2818 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2820 2006-09-05 Richard Guenther <rguenther@suse.de>
2822 PR tree-optimization/28900
2823 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2824 compound conditional before creating COND_EXPR condition.
2826 2006-09-05 Richard Guenther <rguenther@suse.de>
2828 PR tree-optimization/28905
2829 * tree-vrp.c (fix_equivalence_set): Manually implement
2830 !value_ranges_intersect_p to also handle symbolic ranges.
2832 2006-09-05 Richard Guenther <rguenther@suse.de>
2835 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2838 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2840 PR rtl-optimization/27616
2841 * cse.c (table_size): New static variable.
2842 (new_basic_block): Initialize it to 0.
2843 (remove_from_table): Decrement it.
2844 (insert): Increment it.
2845 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2846 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2847 fold_rtx_mem_1 if under the cap.
2848 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2849 the lookup of the equivalent expression and test for equality of the
2850 first operand of the equivalent expression before in turn looking up
2851 an equivalent constant for the second operand.
2853 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2856 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2857 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2858 pointer, instead of assuming it is possible to derive the
2859 correct args size from a call insn.
2861 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2864 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2865 (fold_builtin_mempcpy): Rename to...
2866 (fold_builtin_memory_op): ... this. Optimize one element copy
2868 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2870 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2871 (expand_builtin_memcpy, expand_builtin_mempcpy,
2872 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2873 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2874 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2875 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2877 2006-09-01 DJ Delorie <dj@redhat.com>
2879 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2880 (stzx_16): Likewise.
2881 ("stzx_24_<mode>"): Likewise.
2882 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2883 ("cmp<mode>_op"): New.
2884 (cmp<mode>): Change to expander; just save operands.
2886 (b<code>): Change to expander, emit compare here.
2887 (s<code>_op): Change to use split and expander.
2888 (s<code>_24_op): Likewise.
2889 (s<code>_<mode>): New.
2890 (s<code>_<mode>_24): New.
2891 (movqicc_<code>_<mode): New.
2892 (movhicc_<code>_<mode>): New.
2895 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2896 (m32c_pend_compare): New.
2897 (m32c_unpend_compare): New.
2898 (m32c_expand_scc): New.
2899 (m32c_expand_movcc): Emit the compare also.
2900 * config/m32c/predicates.md (mra_nopp_operand): New.
2902 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2903 Richard Guenther <rguenther@suse.de>
2904 Adam Nemet <anemet@caviumnetworks.com>
2907 * builtins.c (get_pointer_alignment): Handle more forms
2908 of base addresses that can be used to derive more precise
2909 information about alignment.
2911 2006-09-01 Jason Merrill <jason@redhat.com>
2914 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2917 * gimplify.c (voidify_wrapper_expr): Handle null type.
2919 2006-09-01 Josh Conner <jconner@apple.com>
2922 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2923 (execute_return_slot_opt): Use it.
2925 2006-08-31 Josh Conner <jconner@apple.com>
2928 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2929 returning aggregates.
2931 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2933 PR tree-optimization/28839
2934 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2935 blocks in that phi arguments appear.
2937 2006-08-31 Roger Sayle <roger@eyesopen.com>
2940 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2941 NULL, otherwise use an advance_loc4 to adjust relative to the
2943 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2944 (dwarf2out_switch_text_section): Reset the current label to avoid
2945 using advance_loc4 over section boundaries.
2947 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2950 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2951 r12 + SYMBOLIC_CONST.
2953 2006-08-30 Richard Guenther <rguenther@suse.de>
2955 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2957 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2959 PR rtl-optimization/27735
2960 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2961 Add new argument to keep track of whether an irreducible region
2962 was affected. All callers changed.
2963 (fix_irreducible_loops): Removed.
2964 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2965 flags were invalidated.
2967 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2969 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2970 instead of SF operands.
2971 (*fop_df_comm_sse): Likewise.
2972 (*fop_df_comm_i387): Likewise.
2973 (*fop_df_1_mixed): Likewise.
2974 (*fop_df_1_sse): Likewise.
2976 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2977 J"orn Rennecke <joern.rennecke@st.com>
2979 PR tree-optimization/17506
2980 * tree-ssa.c (warn_uninit): If warning about a location outside of
2981 the current function, note where the variable was declared.
2983 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2985 PR tree-optimization/28411
2986 * double-int.c (double_int_div): Use double_int_divmod.
2987 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2988 double_int_mod, double_int_smod, double_int_umod): New functions.
2989 * double-int.h (double_int_divmod, double_int_sdivmod,
2990 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2992 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2994 (get_computation_aff, get_computation_cost_at): Handle double_int
2995 return type of constant_multiple_of.
2997 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3000 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3001 an implicit conversion.
3003 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3005 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3007 2006-08-27 Roger Sayle <roger@eyesopen.com>
3009 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3012 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3014 * config/i386/crtfastmath.c: Fix a comment typo.
3016 2006-08-26 Roger Sayle <roger@eyesopen.com>
3018 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3019 temporary visit flags on CASE_LABEL_EXPRs.
3020 * c-common.c (match_case_to_enum): Add function comment. Avoid
3021 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3022 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3023 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3024 a constant, only warn if that constant value isn't handled.
3026 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3029 * input.h (restore_input_file_stack): Declare.
3030 (INPUT_FILE_STACK_BITS): Define.
3031 * toplev.c (fs_p, input_file_stack_history,
3032 input_file_stack_restored, restore_input_file_stack): New.
3033 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3034 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3035 (pop_srcloc): Don't free old state of stack.
3037 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3040 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3041 (PowerPC Type Attributes): New.
3043 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3045 * config/xtensa/xtensa.c (function_arg_boundary): New.
3046 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3048 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3049 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3051 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3054 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3057 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3059 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3060 (verify_local_live_at_start): Likewise.
3062 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3065 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3066 omp_add_variable): Treat sizes as variable whenever not
3069 2006-08-26 Richard Guenther <rguenther@suse.de>
3072 * fold-const.c (fold_binary): Fold temporary to correct
3073 type before constructing new comparison.
3075 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3078 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3079 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3081 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3084 * c-decl.c (start_function): Don't try to process prototype
3085 information from old declaration that isn't a function.
3087 2006-08-25 Jan Hubicka <jh@suse.cz>
3090 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3092 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3095 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3098 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3100 PR tree-optimization/16876
3101 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3102 exit if PARM doesn't match VALUE.
3104 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3106 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3107 literal_prefix directive.
3108 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3109 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3110 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3112 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3115 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3116 predicate to general_operand. Add 0->y and I->r alternatives.
3118 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3120 * doc/tm.texi: Fix a typo.
3121 * predict.c: Fix comment typos.
3123 2006-08-25 Nick Clifton <nickc@redhat.com>
3125 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3126 assertions of "cpu" and "machine".
3128 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3131 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3132 the access through a base which has an alias set of 0 cannot
3135 2006-08-24 Bill Wendling <wendling@apple.com>
3137 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3139 2006-08-24 Jan Hubicka <jh@suse.cz>
3141 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3143 2006-08-24 Jan Hubicka <jh@suse.cz>
3146 * cgraph.c: Fix comments.
3147 (cgraph_varpool_mark_needed_node): Mark only variables not already
3149 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3150 (cgraph_varpool_assembled_nodes_queue): New static variable.
3151 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3152 (cgraph_varpool_output_debug_info): New function.
3153 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3154 * Makefile.in: Add gt-cgraphunit.h
3156 2006-08-24 Jan Hubicka <jh@suse.cz>
3158 * predict.c (probability_reliable_p): New predicate.
3159 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3160 (predict_loops): Do not predict loop exit with less than 2%
3162 * basic-block.h (edge_probability_reliable_p,
3163 br_prob_note_reliable_p): Declare.
3164 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3165 prediction when static predictor is not reliable.
3166 * rs6000.c (output_cbranch): Likewise.
3168 2006-08-23 Stuart Hastings <stuart@apple.com>
3171 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3172 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3174 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3177 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3178 complex values, nor for generic vector values.
3180 2006-08-22 Richard Guenther <rguenther@suse.de>
3183 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3184 parameter. Convert arguments to arithmetic expression to the
3186 (analyze_scalar_evolution_1): Adjust caller.
3188 2006-08-22 Jan Hubicka <jh@suse.cz>
3190 Patch by Paolo Bonzini
3191 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3194 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3196 PR tree-optimization/28003
3197 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3198 before grouping aliases.
3200 2006-08-22 Roger Sayle <roger@eyesopen.com>
3202 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3203 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3205 2006-08-21 Jason Merrill <jason@redhat.com>
3208 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3209 wrapper. Loop to handle nested wrappers.
3210 (gimplify_bind_expr): Remove temp parameter.
3211 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3212 and STATEMENT_LIST on the rhs.
3213 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3214 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3215 (gimplify_target_expr): Remove special BIND_EXPR handling.
3217 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3219 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3222 2006-08-21 Olivier Hainque <hainque@adacore.com>
3224 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3225 Arrange for the temporary captures of components overlapping the lhs
3226 to happen before the lhs is possibly cleared.
3228 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3230 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3231 necessary places to pass the correct "number of registers" values
3234 2006-08-20 Jan Hubicka <jh@suse.cz>
3236 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3237 (create_name_tags): Instead of quadratic checking use hashtable.
3238 * bitmap.h: Include hashtab.h.
3239 (bitmap_hash): Declare.
3240 * bitmap.c (bitmap_hash): New function.
3242 2006-08-20 Jan Hubicka <jh@suse.cz>
3244 PR rtl-optimization/28071
3245 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3247 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3248 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3249 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3250 cgraph_decide_inlining_incrementally): Update use of
3251 cgraph_check_inline_limits.
3252 * cgraph.c (edge_hash, edge_eq): New function.
3253 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3254 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3255 cgraph_remove_node): Maintain call site hash.
3256 * cgraph.h (struct cgraph_node): Add call_site_hash.
3257 (cgraph_set_call_stmt): New function.
3259 2006-08-20 Jan Hubicka <jh@suse.cz>
3261 PR rtl-optimization/28071
3262 * reload1.c (reg_has_output_reload): Turn into regset.
3263 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3264 choose_reload_regs, emit_reload_insns): Update to new
3265 reg_has_output_reload.
3267 2006-08-20 Jan Hubicka <jh@suse.cz>
3270 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3271 function body sizes.
3272 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3274 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3277 * tree.c (handle_dll_attribute): Return early if not a
3278 var or function decl.
3280 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3283 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3284 alignment of SPE vector types.
3286 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3288 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3290 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3293 * cgraph.h (struct cgraph_node): Remove externally_visible
3295 * cgraphunit.c (process_function_and_variable_attributes): Set
3296 local.externally_visible rather than externally_visible.
3299 * c-common.c (handle_externally_visible_attribute): First look
3300 at TREE_CODE and only if it is function or var decl, check for
3301 non-public objects. Don't warn for DECL_EXTERNAL.
3302 * cgraphunit.c (process_function_and_variable_attributes): Warn
3303 if externally_visible attribute is used on non-public object.
3305 2006-08-17 Jan Hubicka <jh@suse.cz>
3307 PR tree-optimization/27865
3308 * reload1.c (forget_marked_reloads): New function.
3309 (forget_old_reloads_1): When data are passed, just mark the registers
3311 (reload_as_needed): Use the new mechanizm.
3313 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3316 * reload.h (reg_equiv_alt_mem_list): New declaration.
3317 * reload1.c (reg_equiv_alt_mem_list): New definition.
3318 (reload): Initialize it and release it.
3319 (delete_output_reload): Use it.
3320 * reload.c (push_reg_equiv_alt_mem): New function.
3321 (find_reloads_toplev): Call it.
3322 (find_reloads_address, find_reloads_address_1): Likewise.
3323 (find_reloads_subreg_address): Likewise.
3325 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3327 PR rtl-optimization/28489
3328 * sched-ebb.c (begin_schedule_ready): Create basic block
3330 (advance_target_bb): Skip empty blocks.
3331 * haifa-sched.c (bb_note): Make global.
3332 * sched-int.h (bb_note): Add prototype.
3334 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3336 PR tree-optimization/27865
3337 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3339 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3340 fold_used_pointer, pointer_used_p): New functions.
3341 (analyze_scalar_evolution_1): Use fold_used_pointer.
3342 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3343 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3346 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3349 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3350 or the INTEGER_CST. Fail on a CALL_EXPR.
3351 (fold_offsetof): Pass new argument to fold_offsetof_1.
3352 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3353 operand into an INDIRECT_REF.
3354 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3356 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3358 PR gcov/profile/26570
3359 * value-prof.c (static_values): Removed.
3360 (tree_find_values_to_profile): Do not set static_values.
3361 (find_values_to_profile): Do not free static_values.
3362 * profile.c (instrument_values): Do not free the values.
3363 (branch_prob): Free the values.
3365 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3367 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3369 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3372 * c-typeck.c (build_component_ref): Combine qualifiers of
3373 structure or union and field.
3375 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3377 PR rtl-optimization/28071
3378 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3379 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3380 * tree-into-ssa.c (struct dom_dfsnum): New.
3381 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3383 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3384 compute_global_livein.
3385 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3386 in phi nodes in the correct blocks.
3388 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3390 PR tree-optimization/28364
3391 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3393 (fold_affine_expr): New function.
3394 (may_eliminate_iv): Use fold_affine_expr.
3396 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3399 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3402 2006-08-16 Mike Stump <mrs@apple.com>
3404 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3405 * doc/cppopts.texi (-MD): Likewise.
3407 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3410 * c-common.c (handle_weak_attribute): Ignore and warn if
3411 not a FUNCTION_ or VAR_DECL.
3413 2006-07-15 Mike Stump <mrs@apple.com>
3416 * c-parser.c (c_parser_typeof_specifier): Don't use
3417 c_finish_expr_stmt, open code desired semantics instead.
3419 2006-08-15 Nick Clifton <nickc@redhat.com>
3421 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3422 fragment to tmake_file only if threads are enabled.
3423 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3424 * config/i386/t-gthr-win32: New file. ... here.
3426 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3429 * c-parser.c (c_parser_compound_statement_nostart): Reset
3430 parser->error after each statement.
3432 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3435 * omp-low.c (lower_omp_parallel): Convert t to
3436 receiver_decl's type.
3437 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3438 source before comparison.
3441 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3442 to itype in assignment to oldival2.
3444 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3448 * c-typeck.c (build_compound_expr): If the second expression
3449 is an error mark, then just return an error mark instead of
3450 creating a COMPOUND_EXPR.
3452 2006-07-14 Mike Stump <mrs@apple.com>
3454 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3456 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3458 * c-decl.c, var-tracking.c: Fix comment typos.
3460 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3462 PR rtl-optimization/28634
3463 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3464 for floating-point modes unless flag_unsafe_math_optimizations.
3466 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3467 Andrew Pinski <pinskia@physics.uc.edu>
3470 * tree.c (build_array_type): Unify array types with
3471 unspecified index_type.
3472 * c-decl.c (grokdeclarator): Make sure we do not modify a
3473 unified incomplete array type.
3474 * c-typeck.c (store_init_value): Create distinct type before
3475 filling in the index type in an initializer from a compound
3478 * c-decl.c (grokdeclarator): Remove code where we copy the
3481 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3483 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3484 into account for TODO_dump_cgraph.
3485 (TODO_update_ssa_no_phi): Likewise.
3486 (TODO_update_ssa_full_phi): Likewise.
3487 (TODO_update_ssa_only_virtuals): Likewise.
3488 (TODO_remove_unused_locals): Likewise.
3489 (TODO_set_props): Likewise.
3490 (TODO_update_stmt_usage): Likewise.
3492 2006-08-13 Dirk Mueller <dmueller@suse.de>
3494 * c-common.c (strict_aliasing_warning): Fix formatting.
3496 2006-08-13 Matthias Klose <doko@debian.org>
3498 * doc/invoke.texi: Fix spelling errors.
3500 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3502 PR rtl-optimization/23454
3503 * reorg.c (relax_delay_slots): Update comment.
3505 2006-08-11 Richard Guenther <rguenther@suse.de>
3508 * simplify-rtx.c (simplify_const_relational_operation):
3509 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3512 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3514 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3515 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3517 2006-08-10 Paul Brook <paul@codesourcery.com>
3519 * final.c (final_scan_insn): Clear current_insn_predicate before
3520 outputting inline asm.
3522 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3524 PR tree-optimization/26197
3525 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3526 get_ref_base_and_extent and overlap_subvar to add only relevant
3527 subvars as may-aliases.
3528 (add_may_alias_for_new_tag): New function, factored out of
3530 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3531 with additional argument.
3532 * tree-flow.h (new_type_alias): Takes additional argument.
3534 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3536 * gcov.c (no_data_file): New flag.
3537 (read_count_file): Set it if data file not present. Assume counts
3539 (output_lines): Don't name the data file, if there wasn't one.
3541 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3543 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3544 (rs6000_generate_compare): Tweak comments.
3545 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3547 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3549 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3550 (var_debug_decl): New function.
3551 (var_reg_set): Follow debug decl link. Add location even if
3552 reg is already known to hold some other variable.
3553 (var_mem_set): Follow debug decl link.
3554 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3555 decl link. Delete other known locations of the variable part
3557 (var_reg_delete, var_mem_delete): Delete other known locations
3558 of the variable part if requested.
3559 (same_variable_part_p): New function.
3560 (add_stores): Select MO_COPY when appropriate.
3561 (vt_initialize): Handle it.
3562 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3563 known locations for MO_SET and MO_CLOBBER.
3564 (find_variable_location_part): New function.
3565 (set_variable_part, delete_variable_part): Use it.
3566 (clobber_variable_part): New function.
3567 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3570 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3572 PR tree-optimization/26969
3573 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3574 with an empty list of PHIs.
3576 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3580 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3583 2006-08-06 Andreas Schwab <schwab@suse.de>
3585 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3586 string. Whitespace and comment fixup.
3588 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3591 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3595 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3598 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3600 2006-08-04 Jan Hubicka <jh@suse.cz>
3604 * reload.c (push_reload): Patch out the mismatching instruction;
3606 (find_reload): Bail out if the instruction was patched out.
3608 2006-08-04 Jan Hubicka <jh@suse.cz>
3610 PR tree-optimization/24888
3611 * tree-inline.c (expand_call_inline): Do not re-record variables.
3612 (declare_inline_vars): Add variable to unexpanded_var_list.
3614 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3615 Roger Sayle <roger@eyesopen.com>
3617 PR rtl-optimization/26244
3618 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3619 inner_const are negative or greater than or equal to the bitsize of
3620 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3621 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3622 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3623 CONST0_RTX (mode) when the new shift count is greater than or equal to
3624 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3627 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3629 * tree-cfg.c: Fix a comment typo.
3631 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3634 * varasm.c (output_constant): Give the front end another chance to
3635 expand constants, after stripping NOPs.
3637 2006-08-03 Jan Hubicka <jh@suse.cz>
3639 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3642 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3644 PR tree-optimization/27770
3645 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3646 declaration removed (moved to tree-flow.h).
3647 (vect_can_force_dr_alignment_p): Likewise.
3648 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3649 (moved from tree-vectorizer.h).
3650 (vect_can_force_dr_alignment_p): Likewise.
3651 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3652 from outside the vectorizer - in particular from cgraph stage.
3653 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3654 the alignment of global arrays when -fsection-anchors is enabled.
3655 * cgraphunit.c (cgraph_increase_alignment): New function.
3656 (cgraph_optimize): Call cgraph_increase_alignment.
3658 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3661 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3662 not reload a SPE symbol_ref into a lo_sum address.
3664 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3667 * dwarf2out.c (prune_unused_types_prune): Move call to
3668 prune_unused_types_update_strings to cover the parent DIE also.
3670 2006-08-02 Jan Hubicka <jh@suse.cz>
3672 PR gcov/profile/28480
3673 * tree-cfg.c (change_bb_for_stmt): New function.
3674 (tree_merge_blocks, tree_split_blocks): Use it.
3676 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3682 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3683 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3684 (cgraph_optimize): Likewise.
3686 2006-08-01 Stuart Hastings <stuart@apple.com>
3688 * rtl.h (UINTVAL) New.
3689 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3690 * testsuite/gcc.dg/20060801-1.c: New.
3692 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3695 * c-typeck.c (build_external_type): Mark used enum types.
3696 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3698 (gen_subprogram_die): Whitespace fix.
3700 2006-08-01 Jan Hubicka <jh@suse.cz>
3702 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3703 bitmap when not needed.
3704 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3707 2006-08-01 Dirk Mueller <dmueller@suse.de>
3709 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3711 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3713 * Makefile.in: Revert part of previous patch:
3714 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3717 2006-07-30 Eric Christopher <echristo@apple.com>
3720 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3721 (PowerPC Variable Attributes): New section.
3723 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3725 PR target/28126 (partial fix)
3726 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3728 2006-07-28 Jan Hubicka <jh@suse.cz>
3730 PR rtl-optimization/28071
3731 * cfgrtl.c (rtl_delete_block): Free regsets.
3732 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3734 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3736 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3737 and variables used in dependencies.
3739 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3741 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3742 %fs for -mcmodel=kernel.
3743 (stack_tls_protect_test_di): Likewise.
3745 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3747 * Makefile.in: Use mkinstalldirs.
3749 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3752 * opts-common.c (prune_options): Skip joined switches.
3754 2006-07-27 Jan Hubicka <jh@suse.cz>
3756 PR rtl-optimization/28071
3757 * cselib.c (cselib_process_insn): Don't remove useless values too
3758 often for very large hashtables.
3760 2006-07-27 Jan Hubicka <jh@suse.cz>
3762 PR rtl-optimization/28071
3763 * global.c (greg_obstack): New obstack.
3764 (allocate_bb_info): Use it.
3765 (free_bb_info): Likewise.
3766 (modify_reg_pav): Likewise.
3768 2006-07-27 Roger Sayle <roger@eyesopen.com>
3770 * builtins.c (fold_fixed_mathfn): When long and long long are the
3771 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3772 functions to their lceil*, lfloor*, lround* and lrint* forms.
3774 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3777 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3779 (rev_branch_insn): Likewise.
3781 2006-07-27 Jan Hubicka <jh@suse.cz>
3783 PR rtl-optimization/28071
3784 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3785 (reg_set_in_bb, max_reg_computed): New static variables.
3786 (regmove_optimize): Free the new array.
3787 (fixup_match_1): Update call of reg_is_remote_constant_p.
3789 2006-07-26 Jan Hubicka <jh@suse.cz>
3791 PR tree-optimization/27882
3792 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3794 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3796 (cgraph_analyze_compilation_unit): Likewise.
3797 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3798 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3799 (cgraph_early_inlinine): Make order garbage collected.
3800 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3802 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3804 * dbxout.c (output_types_sort): Add a comment.
3805 (output_used_types): Free the VEC.
3807 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3809 * function.c (reorder_fix_fragments): Delete.
3810 (reorder_blocks): Don't call it.
3811 (reorder_blocks_1): Put all subblocks under the origin block.
3813 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3815 PR rtl-optimization/27907
3816 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3819 2006-07-25 Roger Sayle <roger@eyesopen.com>
3822 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3823 bar(x) check that bar's result type can represent all the values of T.
3825 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3827 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3829 2006-07-25 Nick Clifton <nickc@redhat.com>
3831 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3832 size_lookup[] array.
3833 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3834 (ggc_pch_count_object): Likewise.
3835 (ggc_pch_alloc_object): Likewise.
3836 (ggc_pch_write_object): Likewise.
3837 (init_ggc): Do not attempt to initialize entries in the
3838 size_lookup[] array for objects whose size is greater than than
3839 the length of the array.
3841 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3843 * dbxout.c (output_used_types_helper): Push queued types
3845 (output_types_sort): New.
3846 (output_used_types): Collect used types on a VEC and sort them
3849 2006-07-24 Richard Guenther <rguenther@suse.de>
3852 * cgraph.c (cgraph_remove_node): Do not check if dumps
3854 * cgraphunit.c (cgraph_optimize): Likewise.
3856 2006-07-24 Jan Hubicka <jh@suse.cz>
3858 PR rtl-optimization/28071
3859 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3860 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3861 splitting before first stmt.
3863 2006-07-24 Jan Hubicka <jh@suse.cz>
3865 PR rtl-optimization/28071
3866 * ipa-inline.c (update_caller_keys): Remove edges that
3867 are no longer inline candidates.
3869 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3872 * dbxout.c (output_used_types_helper, output_used_types): New.
3873 (dbxout_symbol): Call output_used_types.
3875 2006-07-23 Jan Hubicka <jh@suse.cz>
3879 * cgraph.c (cgraph_varpool_nodes): Export.
3880 (decide_is_variable_needed): Ignored "used" attribute in
3881 unit-at-a-time mode.
3882 * cgraph.h (cgraph_varpool_nodes): Declare.
3883 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3884 unit-at-a-time mode.
3886 2006-07-23 Roger Sayle <roger@eyesopen.com>
3889 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3890 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3891 the __gthrw form of thr_keycreate.
3892 (__gthread_key_delete): Silence the unused argument warning.
3894 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3897 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3898 Cache the last found '\0' marker to avoid quadratic behavior.
3900 2006-07-23 Jan Hubicka <jh@suse.cz>
3902 * i386.md (subsi_3_zext): Fix output template.
3904 2006-07-21 Mike Stump <mrs@apple.com>
3906 * doc/invoke.texi (C++ Dialect Options): Note that
3907 -fvisibility-inlines-hidden doesn't affect explicitly
3908 instantiationed inline methods.
3910 2006-07-20 Roger Sayle <roger@eyesopen.com>
3912 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3913 if the target assembler is GNU binutils' gas.
3914 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3915 whether to pass GNU gas or native as command line options.
3917 2006-07-20 Jason Merrill <jason@redhat.com>
3919 * tree.c (remove_attribute): New fn.
3920 * tree.h: Declare it.
3922 2006-07-20 Paul Brook <paul@codesourcery.com>
3925 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3926 they are invalidated by this instruction.
3928 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3931 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3933 2006-07-20 Eric Christopher <echristo@apple.com>
3936 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3938 2006-07-19 Eric Christopher <echristo@apple.com>
3940 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3941 Rewrite dependencies for libgcc_s.1.dylib.
3943 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3945 * except.c (duplicate_eh_regions_1): Clear next_peer.
3947 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3949 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3950 -mlongcall does not guarantee all calls will be long.
3951 * doc/extend.texi (long_call/short_call): Document that longcall
3952 does not guarantee a long call will be used.
3953 (longcall/shortcall): Likewise.
3955 2006-07-18 Roger Sayle <roger@eyesopen.com>
3958 * expmed.c (expand_shift): Additionally check that the shift_cost
3959 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3960 before implementing a LSHIFT_EXPR as a sequence of additions.
3961 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3962 middle-end that DImode shifts need to be synthesized by expand.
3964 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3967 * tree-ssa-operands.c (access_can_touch_variable): Update
3969 Return true if ALIAS is .GLOBAL_VAR.
3971 2006-07-18 David Daney <ddaney@avtrex.com>
3973 * gcc.c (display_help): Fix typo in help text.
3975 2006-07-18 Olivier Hainque <hainque@adacore.com>
3977 * tree.h (categorize_ctor_elements): Adjust prototype and add
3978 descriptive comment, both in accordance with the interface change
3980 * varasm.c (constructor_static_from_elts_p): New function.
3981 Whether a constructor node is a valid static constant initializer
3982 if all its elements are.
3983 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3984 * output.h: Declare it.
3985 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3986 is a valid constant initializer instead of computing the number of
3987 non-constant elements. Use constructor_static_from_elts_p for this
3988 purpose. Replace the head comment with an indication that this is a
3989 helper for categorize_ctor_elements.
3990 (categorize_ctor_elements): Same interface change as for the _1
3991 helper. Former head comment from this helper moved here, adjusted to
3992 account for the interface changes.
3993 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3994 (all_zeros_p): Likewise.
3995 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3996 static versions of the constructor from the categorize_ctor_elements
3997 return value instead of the formerly computed number of non-constant
4000 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4002 * configure: Regenerate.
4003 * Makefile.in (build_libsubdir): New configure substitution
4004 (build_libobjdir): New variable.
4005 (BUILD_LIBIBERTY): Use it.
4007 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4010 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4012 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4015 * c-common.c (handle_weakref_attribute): Ignore attribute in
4016 the same conditions the alias attribute is ignored.
4018 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4020 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4021 (dbxout_begin_prologue): Increment scope_labelno.
4023 2006-07-17 Richard Henderson <rth@redhat.com>
4026 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4029 2006-07-17 Roger Sayle <roger@eyesopen.com>
4030 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4032 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4033 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4034 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4035 functions such as sbrk, write, etc.. Add function prototypes.
4036 Convert function declarations from K&R to ISO C. Cast pointers
4037 to "long" and "unsigned long" instead of "int" and "unsigned int".
4038 Convert tokens following #endif into comments.
4040 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4042 * invoke.texi: Remove mention of f77; Reformat table for
4043 inline parameter options correctly; mention that -malign-double
4044 is default on x86-64 targets.
4046 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4048 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4049 (convert_affine_scev, chrec_convert_aggressive): Use
4050 avoid_arithmetics_in_type_p. Do not check for the subtypes
4053 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4056 * optabs.c (expand_doubleword_shift): Wrap the call to
4057 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4059 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4062 * optabs.c (expand_binop): Pass next_methods rather than methods
4063 to expand_doubleword_shift.
4065 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4068 * tree.h (dump_addr): Declare.
4069 * print-tree.c (dump_addr): New function.
4070 (print_node_brief, print_node): Use it.
4071 * print-rtl.c (print_rtx): Likewise.
4072 * common.opt (-fdump-noaddr): New option.
4073 * doc/invoke.texi (-fdump-noaddr): Document.
4074 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4075 (ve_info_hash): Likewise.
4077 2006-07-13 Andrew Haley <aph@redhat.com>
4079 PR tree-optimization/19505
4080 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4081 edge leaving this block, make sure that the destination of this
4082 block has only one predecessor.
4084 2006-07-17 Richard Guenther <rguenther@suse.de>
4086 PR tree-optimization/28238
4087 * tree-inline.c (copy_bb): Check if we produced valid
4088 gimple copying and substituting a stmt. If not, gimplify
4091 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4093 * optabs.c (maybe_encapsulate_block): New function extracted from...
4094 (emit_libcall_block): ...here. Invoke it on the block of insns to
4095 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4096 (emit_no_conflict_block): Likewise.
4098 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4100 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4102 2006-07-15 Roger Sayle <roger@eyesopen.com>
4104 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4105 a new NOP_EXPR case of the switch statement.
4107 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4110 * stor-layout.c (place_field): Take the bit field with
4111 an excessive size into account in the ms-bitfiled case.
4114 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4115 the previous bit field.
4117 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4120 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4122 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4124 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4125 signal frames correctly even when the signal was installed with
4128 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4130 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4131 (dbxout_function_end): Use local label LFBB. Remove hook
4133 (dbxout_source_line): Use local label LFBB.
4134 (dbxout_block): Likewise.
4135 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4136 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4137 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4138 and DBX_OUTPUT_NFUN.
4140 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4142 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4144 2006-07-13 Jan Hubicka <jh@suse.cz>
4146 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4148 * output.h (align_variable): Declare.
4149 * varasm.c (align_variable): Export.
4150 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4151 when basic block changed.
4153 2006-07-13 Nick Clifton <nickc@redhat.com>
4155 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4156 walking the LOG_LINKS chain.
4158 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4160 * doc/invoke.texi (C++ Dialect Options): Explain difference
4161 between -fvisibility-inlines-hidden and setting hidden
4162 visibility explicitly.
4164 2006-07-12 Eric Christopher <echristo@apple.com>
4166 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4167 (stmp-lipo): Depend on libgcc.a.
4169 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4171 * tree.c: Fix a comment typo.
4173 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4175 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4177 (umulhisi3_r): Likewise.
4179 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4182 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4183 x < 19, vs wchar_t support.
4185 2006-07-12 Nick Clifton <nickc@redhat.com>
4187 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4188 instead of -isa=sh4.
4190 2006-07-12 Mike Stump <mrs@apple.com>
4192 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4194 2006-07-10 Eric Christopher <echristo@apple.com>
4196 * config/t-slibgcc-darwin: Rewrite.
4198 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4201 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4204 2006-07-08 Matthias Klose <doko@debian.org>
4206 * doc/sourcebuild.texi: Fix typo.
4208 2006-07-07 Mike Stump <mrs@apple.com>
4210 * toplev.c (process_options): Don't give -ffunction-sections may
4211 affect debugging warning for Mach-O.
4213 2006-07-07 James E Wilson <wilson@specifix.com>
4215 * config/mips/mips.md (cpu): Add sb1a.
4216 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4217 addition to sb1. Adjust comments to clarify SB-1A differences from
4219 (ir_sb1a_load): New. Modify bypasses to use it.
4220 (ir_sb1a_simple_alu): Likewise.
4221 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4222 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4223 (mips_issue_rate): Add PROCESSOR_SB1A.
4224 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4225 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4226 (TARGET_SB1): Add PROCESSOR_SB1A check.
4227 (TUNE_SB1): Likewise.
4229 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4230 * config/mips/mips.c (mips_store_data_bypass_p): New.
4231 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4232 store_data_bypass_p.
4234 2006-07-08 Paul Brook <paul@codesourcery.com>
4237 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4239 2006-07-07 Richard Guenther <rguenther@suse.de>
4242 * tree.h (build_one_cst): Declare.
4243 * tree.c (build_one_cst): New function.
4244 * tree-ssa-math-opts.c (get_constant_one): Remove.
4245 (insert_reciprocals): Use build_one_cst.
4246 * fold-const.c (fold_plusminus_mult): Likewise.
4248 2006-07-07 Roger Sayle <roger@eyesopen.com>
4250 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4251 * cfgloopanal.c (dump_graph): Likewise.
4252 * dojump.c (discard_pending_stack_adjust): Likewise.
4253 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4255 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4256 * function.c (finalize_block_changes): Likewise.
4257 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4258 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4259 * rtl.c (dump_rtx_statistics): Likewise.
4260 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4262 * varray.c (dump_varray_statistics): Likewise.
4263 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4264 decode_decimal64, encode_decimal128, decode_decimal128,
4265 decimal_real_to_decimal): Likewise.
4267 2006-07-07 Richard Guenther <rguenther@suse.de>
4269 PR tree-optimization/28187
4270 * tree-vrp.c (vrp_operand_equal_p): New function.
4271 (vrp_bitmap_equal_p): Likewise.
4272 (update_value_range): Use them to compare old and new
4275 2006-07-06 Roger Sayle <roger@eyesopen.com>
4277 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4278 a default case to switch statement to silence compiler warnings.
4280 2006-07-06 Roger Sayle <roger@eyesopen.com>
4283 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4284 the configured assembler supports the x87's ffreep mnemonic.
4285 * configure: Regenerate.
4286 * config.in: Regenerate.
4288 * config/i386/i386.c (output_387_ffreep): New function.
4289 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4290 (output_387_reg_move): Likewise.
4292 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4294 Port to hosts whose 'sort' and 'tail' implementations
4295 treat operands with leading '+' as file names, as POSIX
4296 has required since 2001. However, make sure the code still
4297 works on pre-POSIX hosts.
4298 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4299 which says you should use "tail -c +N" rather than "tail +Nc".
4300 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4302 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4304 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4307 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4310 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4311 PRE_{INC,DEC} of TFmode.
4313 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4314 Alan Modra <amodra@bigpond.net.au>
4317 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4320 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4323 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4324 Remove duplicate gtu.
4326 2006-07-05 Jason Merrill <jason@redhat.com>
4330 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4331 * c-common.c (handle_packed_attribute): So don't copy it here.
4332 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4334 2006-07-05 Mike Stump <mrs@apple.com>
4336 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4338 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4341 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4343 2006-07-05 Richard Guenther <rguenther@suse.de>
4346 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4347 TARGET_SSE2 targets if using SSE math.
4348 (*absdf2_1): Likewise.
4350 2006-07-05 Richard Guenther <rguenther@suse.de>
4352 PR tree-optimization/28162
4353 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4354 make sure to convert the operands to the correct type.
4356 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4358 PR tree-optimization/28218
4360 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4361 to calculate and free the dominator information.
4363 2006-07-04 Peter O'Gorman <peter@pogma.com>
4365 * mklibgcc.in: chmod 644 before ranlib during install.
4367 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4368 J"orn Rennecke <joern.rennecke@st.com>
4370 * configure.ac (.eh_frame data check): Use diff -b.
4372 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4375 * Makefile.in (BUILD_RTL): Add build/vec.o.
4376 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4377 (build/genextract): Delete.
4378 (build/genautomata): Likewise.
4380 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4383 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4384 128-bit IBM long doubles for ABI_V4.
4386 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4388 * tree.c (range_in_array_bounds_p): New predicate.
4389 * tree.h (range_in_array_bounds_p): Declare it.
4390 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4391 return a less conservative answer.
4392 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4393 and flag 'is_group'.
4394 (IS_ELEMENT_FOR_GROUP): New macro.
4395 (FOR_EACH_ACTUAL_CHILD): Likewise.
4396 (next_child_for_group): New helper function.
4397 (can_completely_scalarize_p): Take into account groups.
4398 (sra_hash_tree): Handle RANGE_EXPR.
4399 (sra_elt_eq): Likewise.
4400 (lookup_element): Be prepared for handling groups.
4401 (is_valid_const_index): Delete.
4402 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4403 instead of is_valid_const_index.
4404 <ARRAY_RANGE_REF>: New case.
4405 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4406 is_valid_const_index.
4407 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4408 (scan_dump): Dump info for groups too.
4409 (decide_instantiation_1): Likewise.
4410 (decide_block_copy): Assert that the element is not a group.
4411 Propagate decision to groups.
4412 (generate_one_element_ref): Handle RANGE_EXPR.
4413 (mark_no_warning): Iterate over actual childs.
4414 (generate_copy_inout): Likewise.
4415 (generate_element_copy): Likewise.
4416 (generate_element_zero): Likewise.
4417 (generate_element_init_1): Likewise.
4418 (dump_sra_elt_name): Handle RANGE_EXPR.
4420 2006-07-03 Roger Sayle <roger@eyesopen.com>
4422 PR tree-optimization/26251
4423 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4424 (thread_block): When optimizing for size refuse to thread jumps
4425 that would require duplication of blocks other than redirection
4428 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4430 * configure.ac: Fix thinko in previous check-in.
4431 * configure: Regenerate.
4433 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4436 * configure.ac (for lang...): Simplify nesting of conditionals.
4437 Test subdir_requires for non-enabled languages. Move processing
4438 of lang_opt_files and lang_tree_fiels below that test.
4439 * configure: Regenerate.
4440 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4442 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4444 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4446 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4448 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4451 2006-06-29 Jason Merrill <jason@redhat.com>
4458 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4459 * c-common.c (c_determine_visibility): Handle it here.
4460 * c-decl.c (finish_decl): Call c_determine_visibility for
4462 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4464 * varasm.c (default_assemble_visibility): Likewise.
4465 * c-common.c (handle_visibility_attribute): Complain about trying
4466 to give visibility to an already defined class, or trying to change
4467 declared visibility. Always attach the attribute.
4472 * attribs.c (decl_attributes): Ignore type-in-place attributes
4473 once the type has been defined.
4475 2006-06-29 Roger Sayle <roger@eyesopen.com>
4478 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4479 to indicate the cpplib has issued an error message for us.
4481 2006-06-29 Asher Langton <langton2@llnl.gov>
4484 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4485 insert a label at the end of an function under Mach-O.
4487 2006-06-29 Eric Christopher <echristo@apple.com>
4488 Evan Cheng <evan.cheng@apple.com>
4490 * predicates.md (vector_all_ones_operand): New.
4491 (nonimmediate_or_sse_const_operand): Ditto.
4492 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4493 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4494 (standard_sse_mode_p): Ditto.
4495 (standard_sse_constant_p): Add case for -1 vector.
4496 (ix86_expand_vector_move): Try to use.
4497 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4498 Call standard_sse_constant_opcode.
4499 (*movv4sf_internal): Ditto.
4500 (*movv2df_internal): Ditto.
4502 2006-06-29 Roger Sayle <roger@eyesopen.com>
4504 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4505 of XEXP to extract the operands of a MATCH_CODE rtx.
4507 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4509 * tree.c (tree_size): Do not waste tail padding in
4510 struct tree_string and make the size be the same as
4511 build_string will generate.
4513 2006-06-28 Jason Merrill <jason@redhat.com>
4516 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4517 may_aliases already in the tag's annotations to the bitmap.
4519 2006-06-28 Roger Sayle <roger@eyesopen.com>
4521 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4523 2006-06-28 Roger Sayle <roger@eyesopen.com>
4525 * genpreds.c (generate_switch_p): New function.
4526 (add_mode_tests): Push the new mode test down inside an AND expr
4527 if this allows the switch-suitable MATCH_CODE to be near the root.
4528 (write_match_code_switch): New function to write a MATCH_CODE as
4530 (write_predicate_stmts): New function to write a predicate RTX
4531 expression as a sequence of statements.
4532 (write_one_predicate_function): Use write_predicate_stmts.
4533 (write_tm_constrs_h): Likewise.
4535 2006-06-26 Fred Fish <fnf@specifix.com>
4537 * config/mips/t-sb1: New file.
4538 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4541 2006-06-26 DJ Delorie <dj@redhat.com>
4543 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4545 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4546 Jayant Sonar <jayants@kpitcummins.com>
4547 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4549 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4550 (subsi3, subsi3_1, subsi3_2): New.
4551 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4552 * config/m32c/mov.md (SI mov peephole): New.
4553 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4554 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4556 2006-06-26 Olivier Hainque <hainque@adacore.com>
4558 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4559 a CALL_EXPR target function declaration.
4561 2006-06-26 Richard Guenther <rguenther@suse.de>
4563 * tree.c (build_string): Do not waste tail padding in
4566 2006-06-26 Richard Guenther <rguenther@suse.de>
4568 * ggc-page.c (init_ggc): Add missing element to size_lookup
4572 2006-06-23 Richard Guenther <rguenther@suse.de>
4574 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4575 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4576 alignment requests instead. Add verification code.
4577 Add struct tree_function_decl and struct tree_binfo size to
4578 extra_order_size_table. Add missing element to size_lookup
4581 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4584 * fold-const.c (const_binop): Be prepared for self returning zero.
4585 Simplify code handling complex values.
4587 2006-06-24 Olivier Hainque <hainque@adacore.com>
4589 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4590 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4593 2006-06-24 Olivier Hainque <hainque@adacore.com>
4595 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4596 ARRAY_REF, so have the callback called for the low bound expression.
4598 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4600 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4601 * c-typeck.c (c_common_type): Disallow operations on decimal float
4602 types and other float types.
4603 * convert.c (convert_to_real): Don't ignore conversions involving
4604 decimal float types.
4606 2006-06-23 Olivier Hainque <hainque@adacore.com>
4608 * tree.c (max_int_size_in_bytes): New function, inspired from
4609 code in function.c:assign_temp.
4610 * tree.h (max_int_size_in_bytes): Declare.
4611 * function.c (assign_temp): Use it.
4612 * gimplify.c (create_tmp_var): Relax the assertions on the type
4613 properties, not mandating constant size any more.
4614 (force_constant_size): New static function.
4615 (gimple_add_tmp_var): Use it, forcing variable size to a
4616 constant upper bound if it is not constant on entry.
4618 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4621 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4622 for initialization and setting of one_only flag to ...
4623 (i386_pe_encode_section_info): ...here.
4624 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4625 Recheck that the symbol has not been defined.
4627 2006-06-23 Richard Guenther <rguenther@suse.de>
4629 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4630 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4631 alignment requests instead. Add verification code.
4632 Add struct tree_function_decl and struct tree_binfo size to
4633 extra_order_size_table. Add missing element to size_lookup
4636 2006-06-22 Roger Sayle <roger@eyesopen.com>
4637 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4640 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4641 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4643 2006-06-23 Ben Elliston <bje@au.ibm.com>
4645 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4646 negate dn -- manipulate it directly.
4648 2006-06-22 Roger Sayle <roger@eyesopen.com>
4649 Steven Bosscher <stevenb.gcc@gmail.com>
4652 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4653 generated by gen_move_insn to add REG_LABEL notes if necessary.
4655 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4657 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4658 (leaf_entry): Remove use of MIN_ESA.
4660 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4662 PR rtl-optimization/28121
4663 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4666 2006-06-21 DJ Delorie <dj@redhat.com>
4668 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4670 (mulhisi3_r): Likewise.
4672 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4675 * coverage.c (coverage_counter_alloc): Leave the index type
4677 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4680 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4682 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4683 section from the "Options for Code Generation Conventions".
4685 2006-06-21 Richard Henderson <rth@redhat.com>
4689 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4691 (global_symbolic_operand): Allow weak symbols, even if local_p.
4693 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4695 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4696 (find_interesting_uses_address): Punt if above function returns true.
4698 2006-06-21 Richard Guenther <rguenther@suse.de>
4700 * configure: Regenerated.
4702 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4704 * config/mips/mips.c (function_arg): Where one part of a
4705 complex argument is in registers and the other part in the stack,
4706 return a REG not a PARALLEL.
4708 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4710 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4711 when cross-compiling. Do not substitute libstdcxx_incdir.
4712 * configure: Regenerated.
4714 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4716 * varasm.c (mergeable_string_section): Check for embedded NULs and
4717 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4718 rather than TREE_STRING_LENGTH bytes.
4720 2006-06-21 Richard Guenther <rguenther@suse.de>
4722 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4723 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4726 2006-06-21 Richrad Guenther <rguenther@suse.de>
4728 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4729 Limit iteration over the dominators.
4731 2006-06-20 Roger Sayle <roger@eyesopen.com>
4733 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4734 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4736 2006-06-20 Richard Guenther <rguenther@suse.de>
4737 Michael Matz <matz@suse.de>
4739 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4741 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4742 * et-forest.h (et_free_pools): Prototype new function.
4743 * et-forest.c (et_free_tree_force): Free parent occurrence.
4744 (et_free_pools): New function.
4745 * dominance.c (free_dominance_info): Free et-forest alloc
4748 2006-06-20 Roger Sayle <roger@eyesopen.com>
4750 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4751 integer modes, attempt to directly construct an integer constant.
4753 * fold-const.c (native_encode_vector): Determine the size of each
4754 element from the vector type instead of the first vector element.
4756 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4757 if all of its elements/components are constant.
4758 (build_constructor_from_list): Likewise.
4760 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4762 PR tree-optimization/27331
4763 * tree-data-ref.c (free_data_ref): New function.
4764 (create_data_ref): Fail if the data reference has unknown access
4766 (free_data_refs): Use free_data_ref.
4768 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4771 * tree-inline.c (setup_one_parameter): Strip useless
4772 type conversion before adding it to the IR.
4773 (declare_return_variable): Likewise.
4775 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4778 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4780 2006-06-19 Mike Stump <mrs@apple.com>
4782 * tree.c (variably_modified_type_p): VM arguments don't make the
4785 2006-06-19 Richard Guenther <rguenther@suse.de>
4787 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4788 type conversions after folding.
4790 2006-06-19 Richard Guenther <rguenther@suse.de>
4792 * ggc-page.c (extra_order_size_tab): Add entries with
4793 size of struct function and basic_block.
4794 (size_lookup): Extend to cover sizes up to 511.
4795 (ggc_alloc_stat): Adjust user.
4796 (ggc_pch_count_object): Likewise.
4797 (ggc_pch_alloc_object): Likewise.
4798 (ggc_pch_write_object): Likewise.
4800 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4802 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4803 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4806 2006-06-19 Denis Chertykov <denisc@overta.ru>
4808 * config/avr/libgcc.S : Correct my wrong previous commit.
4810 2006-06-19 Roger Sayle <roger@eyesopen.com>
4813 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4814 have stripped a SUBREG from the shift count, so we may need to
4815 convert_to_mode back to the type's mode before calling make_tree.
4816 Use new_amount instead of amount to avoid expanding a tree twice.
4818 2006-06-19 Richard Guenther <rguenther@suse.de>
4821 * fold-const.c (operand_equal_p): Check if the argument types
4822 have the same precision before stripping NOPs.
4824 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4826 Fix PR tree-optimization/27341
4827 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4829 * tree-complex.c (pass_lower_complex): Update SMT usage.
4831 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4833 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4834 Add a new alternative to the constraint strings. Add move of
4835 operand 1 to 3 to the splitter definition.
4836 ("doloop_si_long"): Second contraint alternative removed.
4838 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4840 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4841 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4843 (AVR_HAVE_MOVW) Define.
4844 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4845 (ASM_SPEC): Add avr25.
4846 (LINK_SPEC): Add avr25.
4847 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4848 (base_arch_s): Add new member 'have_movw_lpmx'.
4849 (avr_arch_types): Init 'have_movw_lpmx'.
4850 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4851 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4852 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4853 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4854 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4856 (avr_file_start): Do not output '.arh' derective.
4857 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4858 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4859 * config/avr/avr.md (mcu_enhanced): Delete.
4860 (mcu_have_movw): Define.
4861 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4862 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4863 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4864 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4865 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4866 attiny861 and at86rf401 devices.
4868 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4870 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4873 2006-06-17 Karl Berry <karl@gnu.org>
4875 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4876 doc/gccint.texi, doc/install.texi (@dircategory): Use
4877 "Software development" instead of "Programming", following
4878 the Free Software Directory.
4880 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4882 * config/i386/i386.c (legitimate_tls_address)
4883 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4884 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4885 (*tls_dynamic_gnu2_combine_64): Likewise.
4887 2006-06-16 Richard Guenther <rguenther@suse.de>
4890 * fold-const.c (negate_expr_p): Do not introduce undefined
4891 overflow in negating INTEGER_CSTs.
4892 (fold_negate_expr): Rename from negate_expr. Revert last
4893 change for folding BIT_NOT_EXPR. Change semantics to
4894 return NULL_TREE for non-simplified negations. Do not
4895 strip type conversions and unify type handling.
4896 (negate_expr): New function, wrap around fold_negate_expr
4897 but ensure building a tree always. Strip type conversions
4898 here, fold to result type.
4899 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4901 2006-06-16 Roger Sayle <roger@eyesopen.com>
4904 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4905 that (would) return their results in stack registers.
4907 2006-06-16 Michael Matz <matz@suse.de>
4908 Richard Guenther <rguenther@suse.de>
4910 * fold-const.c (fold_truthop): Only return new tree node if
4911 we canonicalized something.
4913 2006-06-16 Richard Guenther <rguenther@suse.de>
4915 * function.h (enum function_frequency): Move declaration
4916 out of struct function.
4917 (struct function): Move bool fields and the enum to the bitfield
4918 section. Reorder elements to avoid padding. Remove unused
4919 fields left over from the RTL inliner removal.
4920 * function.c (free_after_compilation): Do not zero removed fields.
4921 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4922 (ipa-type-escape.o): Likewise.
4924 2006-06-16 Richard Guenther <rguenther@suse.de>
4926 * cgraph.h (struct cgraph_local_info): Turn bool elements
4928 (struct cgraph_node): Likewise.
4929 (struct cgraph_varpool_node): Likewise.
4931 2006-06-15 Richard Guenther <rguenther@suse.de>
4933 * fold-const.c (fold_truth_not_expr): Rename from
4934 invert_truthvalue. Give it fold_* semantics to avoid
4936 (invert_truthvalue): New function. Wrapper around
4937 fold_truth_not_expr.
4938 (optimize_minmax_comparison): Avoid creating garbage.
4939 (fold_unary): Use fold_truth_not_expr for folding
4941 (fold_ternary): Replace uses of invert_truthvalue with
4942 fold_truth_not_expr where applicable.
4943 * tree.h (fold_truth_not_expr): Prototype.
4945 2006-06-16 Richard Guenther <rguenther@suse.de>
4947 PR tree-optimization/27781
4948 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4949 * ipa-pure-const.c (target.h): Include.
4950 (analyze_function): Do not analyze functions that do not
4953 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4956 * tree-dfa.c (referenced_vars_dup_list): Remove.
4957 (find_referenced_vars): Remove assert.
4958 (referenced_var_check_and_insert): Replace dup list with assert.
4959 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4960 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4962 2006-06-15 Richard Guenther <rguenther@suse.de>
4964 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4965 extra unused identifiers if not dumping.
4966 (create_variable_info_for): Likewise.
4968 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4970 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4971 (derive_constant_upper_bound): Derive more precise upper bound in
4972 common cases. Return type changed to double_int.
4973 (record_estimate): Reflect the changed return type of
4974 derive_constant_upper_bound.
4975 * double-int.c (double_int_zext, double_int_sext): Fix.
4977 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4979 * configure.ac (CFLAGS): Get them from the toplevel or from the
4980 configure invocation.
4981 * configure: Regenerate.
4982 * Makefile.in (CFLAGS): Substitute value provided by configure.
4984 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4987 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4988 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4989 rather than calling add_stmt on it.
4990 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4992 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4995 * reload1.c (reload): Remove registers returned by update_eliminables
4996 from used_spill_regs.
4998 2006-06-13 DJ Delorie <dj@redhat.com>
5000 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5002 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5004 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5005 html__strip_dir, html__mkdir_p. Enhance install-html target.
5006 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5007 * configure: Regenerate.
5009 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5011 * fold-const.c (fold_cond_expr_with_comparison): Check for
5012 Objective-C++ as language in deciding COND_EXPR transformation.
5014 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5017 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5018 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5019 * config/sh/lib1funcs.h (SL, SL1): Define.
5020 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5021 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5022 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5023 (OBJS_Os_4_200): New variable.
5024 ($(T)libgcc-Os-4-200.a): Use it.
5025 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5026 when dividing 1 and/or by 0.
5028 2006-06-13 Roger Sayle <roger@eyesopen.com>
5030 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5031 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5032 * configure: Regenerate.
5034 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5036 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5037 for real instruction.
5039 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5042 * haifa-sched.c (check_cfg): Handle special case.
5044 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5047 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5048 Add debug_info parameter. Chain the vars to the BLOCK instead
5049 of the BIND_EXPR if debug info are requested for them.
5050 (pop_gimplify_context): Adjust for above change.
5051 (gimple_add_tmp_var): Likewise.
5052 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5054 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5055 (convert_local_reference): Likewise.
5056 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5057 (finalize_nesting_tree_1): Request that debug info be emitted
5058 for debug_var_chain.
5060 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5062 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5063 for PR target/27863.
5065 2006-06-13 Richard Guenther <rguenther@suse.de>
5068 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5070 2006-06-13 Richard Guenther <rguenther@suse.de>
5072 PR tree-optimization/27830
5073 * tree-inline.c (copy_body_r): For copying the operand
5074 of an ADDR_EXPR make sure to fold &* afterwards.
5076 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5078 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5079 lvalues in the fb_none case with side-effects.
5081 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5083 * tree-flow.h: Remove the prototype for
5084 compute_phi_arg_on_exit.
5085 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5086 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5089 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5091 * builtins.c (expand_builtin_return_addr): Only use
5092 frame_pointer_rtx when count == 0 and we are expanding
5093 __builtin_return_address.
5095 2006-06-12 Fred Fish <fnf@specifix.com>
5097 * config/mips/mips.c (mips_file_start): Create special section
5098 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5100 2006-06-11 Eric Christopher <echristo@apple.com>
5103 * stor-layout.c (place_field): Remove check for
5104 remaining_in_alignment when aligning at the end of a run.
5106 2006-06-11 Eric Christopher <echristo@apple.com>
5109 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5112 2006-06-11 Roger Sayle <roger@eyesopen.com>
5115 Revert incorrect fix for PR target/27158
5116 2006-05-08 Roger Sayle <roger@eyesopen.com>
5117 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5118 of a reg_equiv_constant if the result is a legitimate constant.
5120 2006-06-11 Roger Sayle <roger@eyesopen.com>
5123 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5124 extract a CONST_VECTOR element and interpret it as an integer.
5125 (vspltis_constant): Use const_vector_elt_as_int instead of the
5126 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5127 * config/rs6000/predicates.md (easy_vector_const): Consider
5128 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5130 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5133 * stor-layout.c (update_alignment_for_field): Don't add extra
5134 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5137 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5139 * config/mips/t-rtems: Add EL/EB multilib variants.
5141 2006-06-09 Mike Stump <mrs@apple.com>
5143 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5145 2006-06-09 David Daney <ddaney@avtrex.com>
5147 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5149 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5151 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5153 2006-06-09 Richard Guenther <rguenther@suse.de>
5155 PR tree-optimization/26998
5156 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5157 of signed types, only TYPE_MIN_VALUE is special, but for both,
5158 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5159 in this case, as is -fwrapv.
5161 2006-06-08 Mike Stump <mrs@apple.com>
5164 * config/darwin.c (darwin_asm_output_anchor): Disable
5165 -fsection-anchors on darwin for now.
5166 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5167 * rs6000/rs6000.c (optimization_options): Likewise.
5169 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5172 * config/i386/i386.c (classify_argument): Skip fields with invalid
5175 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5177 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5178 (cse_insn): Likewise for the stack_pointer_rtx.
5180 2006-06-08 Roger Sayle <roger@eyesopen.com>
5182 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5183 conditions from floating point comparisons.
5185 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5188 * expmed.c (struct alg_hash_entry): Fix type of field T
5189 to match synth_mult argument.
5190 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5192 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5195 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5198 2006-06-08 Richard Guenther <rguenther@suse.de>
5201 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5202 only, if overflow is defined and not trapping.
5203 (negate_expr): Likewise.
5205 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5207 PR tree-optimization/27872
5208 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5209 flag on the new exit edge of the unrolled loop.
5211 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5213 PR rtl-optimization/26449
5214 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5216 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5219 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5220 referenced_variables with matching DECL_UID's.
5221 (find_referenced_vars): Make sure duplicate list is empty to start.
5222 (referenced_var_p): Remove.
5223 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5224 Check if var is in the list, and add if needed. Update the duplicate
5225 list if a different var is in the list with the same DECL_UID.
5226 (add_referenced_var): Call routine to check and insert.
5227 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5228 * tree-flow.h (referenced_vars_dup_list): External declaration.
5230 2006-06-07 Fred Fish <fnf@specifix.com>
5232 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5235 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5238 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5239 the imaginary and real parts of a clobbered register.
5240 Emit insn to set the imaginary part.
5242 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5244 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5245 in lieu of unwind-dw2-fde.c.
5247 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5249 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5251 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5254 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5255 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5256 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5257 V4SImode temporaries and operations instead.
5259 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5261 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5264 2006-06-06 Mike Stump <mrs@apple.com>
5266 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5267 installing during build.
5269 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5271 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5273 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5274 * config/ia64/ia64.c (params.h): New header.
5275 (ia64_optimization_options): New function to adjust parameters.
5276 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5277 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5278 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5280 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5282 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5284 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5287 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5289 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5290 Victor Kaplansky <victork@il.ibm.com>
5292 PR tree-optimization/26360
5293 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5296 2006-06-04 Roger Sayle <roger@eyesopen.com>
5297 Andrew Pinski <pinskia@physics.uc.edu>
5300 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5301 for LABEL_DECL before calling DECL_WEAK.
5304 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5305 LABEL_DECL and PARM_DECL.
5307 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5311 * c-decl.c (grokdeclarator): Disallow variably modified types at
5312 file scope. Avoid marking shared array type of constant size as
5315 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5318 * c-common.c (fold_offsetof_1): Handle static members.
5320 2006-06-04 Eric Christopher <echristo@apple.com>
5322 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5323 (debug_rli): Output value for remaining_in_alignment.
5324 (update_alignment_for_field): Unconditionalize
5325 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5326 extra alignment code.
5327 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5328 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5329 * tree.h (record_layout_info_s): Remove prev_packed.
5330 * doc/extend.texi (ms_struct): Add documentation of format.
5332 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5334 * tree.h: Declare folding_initializer.
5335 * builtins.c (fold_builtin_constant_p): Give definite answer
5336 if folding inside an initializer.
5337 * fold-const.c: Define folding_initializer.
5338 (START_FOLD_INIT): Save and then set folding_initializer.
5339 (END_FOLD_INIT): Restore folding_initializer.
5341 2006-06-04 Richard Guenther <rguenther@suse.de>
5343 PR tree-optimization/27039
5344 * fold-const.c (fold_comparison): Handle pointer comparison
5345 again for all comparison codes. Compare offsets in signed
5347 (fold_binary): Move code from here.
5349 2006-06-03 Roger Sayle <roger@eyesopen.com>
5352 * config/i386/i386.c (construct_container): Split static issued_error
5353 flag into issued_sse_arg_error, issued_sse_ret_error and
5354 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5355 requires the use of x87 registers and the user explicitly
5356 specified the -mno-80387 command line option.
5358 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5360 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5361 HAVE_DECL_SIGALTSTACK.
5363 (segv_handler): Use MC_FLD.
5364 * configure.ac: Check for a sigaltstack declaration.
5365 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5366 * configure: Regenerate.
5367 * config.in: Regenerate.
5369 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5372 * Makefile.in (stmp-fixinc): Fix typo.
5374 2006-06-02 Roger Sayle <roger@eyesopen.com>
5376 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5377 are type correct. Clean-up.
5378 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5379 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5381 2006-06-01 DJ Delorie <dj@redhat.com>
5383 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5384 shift, as we've disabled the "switch" insn that needs it.
5386 2006-06-01 Per Bothner <bothner@bothner.com>
5388 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5389 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5390 * c-ppoutput.c (cb_define): Don't increment line 0.
5392 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5394 * doc/invoke.texi: Add cpu_type power6.
5395 * config.gcc: Add cpu_type power6.
5396 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5397 to power5+ with Altivec.
5398 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5399 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5401 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5403 * config/avr/avr.h (SET_ASM_OP): Define.
5405 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5407 * config/bfin/bfin.c: Fix comment typos.
5409 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5412 * doc/install.texi: Document --enable-bootstrap and
5413 --disable-bootstrap.
5415 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5417 * doc/install.texi: Document that InfoZIP can replace jar.
5419 2006-05-31 Roger Sayle <roger@eyesopen.com>
5421 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5422 isn't available, directly generate the simpler x87 patterns without
5423 the (use (const_int 0)).
5424 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5425 implementation isn't available.
5426 (*negdf2_1): Likewise.
5427 (*negxf2_1): XF mode negation is always done using the x87.
5428 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5430 2006-05-31 Roger Sayle <roger@eyesopen.com>
5432 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5433 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5435 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5437 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5439 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5440 * config/bfin/bfin.c (basic-block.h): Include.
5441 (struct machine_function): New.
5442 (bfin_init_machine_status): New.
5443 (override_options): Initialize init_machine_status.
5444 (bfin_hardware_loop): New.
5445 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5446 (DEF_VEC_P (loop_info)): New.
5447 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5448 (struct loop_info): New.
5449 (loop_info): New typedef.
5450 (struct loop_work): New.
5451 (loop_work): New typedef.
5452 (DEF_VEC_O (loop_work)): New.
5453 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5454 (bfin_dump_loops): New.
5455 (bfin_bb_in_loop): New.
5456 (bfin_scan_loop): New.
5457 (bfin_optimize_loop): New.
5458 (bfin_reorg_loops): New.
5459 (bfin_reorg): Use bfin_reorg_loops.
5460 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5462 (I_REGNO_P): Simplify.
5463 (DP_REGNO_P, DPREG_P): New macros.
5464 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5465 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5466 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5467 Add LT_REGS, LC_REGS, LB_REGS.
5468 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5470 (REGNO_REG_CLASS): Deal with loop registers.
5471 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5473 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5474 New constants for loop registers.
5475 (UNSPEC_LSETUP_END): New.
5476 (seq_insns): New define_attr. Set it for appropriate insns.
5477 (movsi_insn): Add alternatives for move from/to
5478 loop count registers.
5479 (doloop_end): New define_expand.
5480 (loop_end): New define_insn.
5481 (define_split for bad doloop_end): New.
5482 (lsetup_with_autoinit): New define_insn.
5483 (lsetup_without_autoinit): New define_insn.
5484 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5485 * config/bfin/predicates.md (lc_register_operand): New.
5486 (lt_register_operand): New.
5487 (lb_register_operand): New.
5488 (nondp_register_operand): New.
5489 (nondp_reg_or_memory_operand): New.
5490 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5492 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5494 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5495 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5497 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5499 * Makefile.in (CATALOGS): Add po/ prefix.
5500 * configure: Regenerated.
5502 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5505 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5506 a shift operand before calling shift_op. Avoid redundant call of
5509 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5510 DJ Delorie <dj@redhat.com>
5512 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5513 we're inserting is a singlt-bit constant.
5515 2006-05-30 Roger Sayle <roger@eyesopen.com>
5517 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5518 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5520 2006-05-30 Roger Sayle <roger@eyesopen.com>
5522 PR tree-optimization/23452
5523 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5524 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5525 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5526 complex values and with -ffast-math for FP complex values.
5528 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5530 * c-common.h: Remove the prototype for yyparse.
5531 * rtl.h: Remove the prototype for init_loop.
5533 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5535 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5538 2006-05-30 Roger Sayle <roger@eyesopen.com>
5540 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5542 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5543 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5545 2006-05-30 Dirk Mueller <dmueller@suse.de>
5548 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5549 for CONSTANT_CLASS_P expresisons.
5551 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5554 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5556 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5558 PR tree-optimization/27779
5559 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5560 initial_condition instead of CHREC_LEFT.
5562 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5564 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5565 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5566 Make prototypes ISO C90.
5568 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5569 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5571 * see.c (see_analyze_one_def): Correct check.
5572 (see_get_extension_data): Check if extension is parallel.
5573 (see_get_extension_reg): Likewise.
5575 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5578 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5579 into register for (code == GTU).
5581 2006-05-29 Roger Sayle <roger@eyesopen.com>
5583 PR tree-optimization/24964
5584 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5585 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5586 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5587 abs(x)*abs(x) as x*x for scalar floating point modes.
5589 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5592 * lambda-code.c (perfect_nestify): Don't copy statements
5593 in the inner loop: move them to the inner loop header.
5595 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5598 * c-tree.texi: Document OpenMP directives and clauses.
5600 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5602 * varasm.c (globalize_decl): Fix indentation.
5604 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5607 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5608 pass_fre, pass_store_ccp, pass_copy_prop,
5609 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5610 pass_return_slot, pass_object_size, pass_lim,
5611 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5612 pass_loop_prefetch and pass_stdarg.
5614 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5616 * config/bfin/bfin.opt (mfdpic): New option.
5617 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5618 (EXTRA_MULTILIB_PARTS): Likewise.
5619 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5620 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5622 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5623 (CRT_CALL_STATIC_FUNCTION): New.
5624 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5626 (CRT_CALL_STATIC_FUNCTION): New.
5627 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5629 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5630 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5631 (initialize_trampoline): Changed to handle FD-PIC code generation.
5632 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5633 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5634 (override_options): Disallow -mid-shared-library -mfdpic combination.
5635 Can't do unaligned ops if FD-PIC.
5636 Turn off flag_pic if trying to generate non-id-shared-library
5637 non-fdpic code, since it's not supported.
5638 (bfin_assemble_integer): New function.
5639 (TARGET_ASM_INTEGER): Define.
5640 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5642 * config/bfin/crtn.s: Restore them.
5643 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5645 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5646 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5647 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5648 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5649 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5651 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5652 FDPIC_REGS and FDPIC_FPTR_REGS.
5653 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5654 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5655 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5656 (load_funcdescsi): New pattern.
5657 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5658 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5659 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5661 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5663 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5666 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5668 * tree-flow.h: Remove the prototype for add_type_alias.
5669 * tree-ssa-alias.c (add_type_alias): Remove.
5671 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5673 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5674 config/fr30/fr30.md, config/i386/i386-interix.h,
5675 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5676 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5677 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5678 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5679 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5680 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5681 Follow spelling conventions.
5682 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5683 Follow spelling conventions.
5685 2006-05-27 Richard Guenther <rguenther@suse.de>
5688 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5689 to produce a constant of value 1 of generic type.
5691 2006-05-27 Dirk Mueller <dmueller@suse.de>
5693 * cgraphunit.c (decide_is_function_needed): Fix wrong
5696 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5698 PR rtl-optimization/27661
5699 * reload.c (find_reloads): When reloading a VOIDmode constant
5700 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5701 use Pmode as mode of the reload register.
5703 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5705 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5706 is enabled at -O and above.
5708 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5711 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5714 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5717 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5718 for anonymous variables explicitly declared by front ends.
5720 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5722 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5723 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5724 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5725 ref-all pointers, run a finalization pass for them.
5726 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5727 (finalize_ref_all_pointers): New function.
5728 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5729 regular pointer type to a ref-all pointer type.
5730 (get_tmt_for): Return the special memory tag for ref-all pointers.
5732 2006-05-25 Richard Guenther <rguenther@suse.de>
5735 * fold-const.c (fold_binary): Do not look at the stripped
5736 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5738 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5740 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5741 for LT and GT if the computed range is effectively empty.
5743 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5746 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5747 mips_quad_format formats instead of ieee_single_format,
5748 ieee_double_format and ieee_quad_format formats, respectively.
5750 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5752 PR tree-optimization/27639
5753 PR tree-optimization/26719
5754 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5755 call to scev_probably_wraps_p.
5756 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5757 used_in_pointer_arithmetic_p, convert_step): Removed.
5758 (nowrap_type_p): New function.
5759 (scev_probably_wraps_p): Rewritten.
5760 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5761 chrec_convert if chrec_convert_aggressive might have been used.
5762 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5763 scev_direction): New functions.
5764 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5765 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5766 instead of convert_step.
5767 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5768 (convert_step): Declaration removed.
5769 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5771 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5773 * df-core.c: Added to header comments.
5774 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5775 df_ur_bb_info, df_urec_bb_info): Added comments.
5776 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5777 urec, ri problems): Fixed header comments.
5778 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5779 code from df_rd_transfer_function.
5781 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5783 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5784 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5785 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5787 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5789 * expr.c (undefined_operand_subword_p): New.
5790 (emit_move_multi_word): Do not generate move from undefined bits
5791 of a paradoxical subreg.
5793 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5795 PR rtl-optimization/27736
5796 * combine.c (replaced_rhs_value): New variable.
5797 (combine_instructions): Set it.
5798 (distribute_notes): When distributing a note in replaced_rhs_insn,
5799 check whether the value was used in replaced_rhs_value.
5801 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5804 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5805 add_referenced_var instead of add_referenced_tmp_var.
5806 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5807 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5809 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5810 tree_optimize_tail_calls_1): Use add_referenced_var.
5811 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5812 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5813 Use add_referenced_var.
5814 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5815 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5816 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5817 Use add_referenced_var.
5818 * tree-dfa.c (struct walk_state): Remove.
5819 (find_referenced_vars): Remove walk state and vars_found hash table.
5820 (make_rename_temp): Use add_referenced_var.
5821 (find_vars_r): Pass less parameters to add_referenced_var.
5822 (referenced_var_p): New. Is var in referenced_var hash table.
5823 (referenced_var_insert): Assert var isn't already in hash table.
5824 (add_referenced_var): Don't need walk_state parameter. Add var if it
5825 isn't already in the hash table.
5826 (add_referenced_tmp_var): Remove.
5827 (find_new_referenced_vars_1): Use add_referenced_var.
5828 * tree-ssa-pre.c (create_expression_by_pieces,
5829 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5830 Use add_referenced_var.
5831 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5832 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5833 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5835 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5836 vect_create_data_ref_ptr, vect_create_destination_var,
5837 vect_init_vector, vect_build_loop_niters,
5838 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5839 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5840 Use add_referenced_var.
5841 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5842 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5843 (add_referenced_var): Add prototype.
5844 * tree-ssa-structalias.c (get_constraint_for,
5845 intra_create_variable_infos): Use add_referenced_var.
5847 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5849 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5850 big-endian paradoxical subregs.
5851 * var-tracking.c (struct micro_operation_def): Document that,
5852 for modify micro operations, insn is the subsequent instruction.
5853 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5854 (var_reg_set, var_mem_set): ... new functions.
5855 (add_stores): Record subsequent insn.
5856 (compute_bb_dataflow): Use new functions for MO_USE.
5857 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5858 notes after the insn, and modify notes before the insn known
5859 to be the subsequent one.
5860 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5862 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5865 * config/i386/i386.c (ix86_expand_builtin): Use
5866 gen_sse3_monitor64 for TARGET_64BIT.
5868 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5870 PR rtl-optimization/26375
5871 PR rtl-optimization/26855
5872 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5874 (df_ru_bb_local_compute): Reversed statements and removed bogus
5875 comment explaining why they should be in wrong order.
5876 (df_ru_dump, df_rd_dump): Enhanced debug info.
5877 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5879 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5880 reaching uses and fixed space problem.
5882 2006-05-23 Jan Hubicka <jh@suse.cz>
5884 * cgraphunit.c (decide_is_function_needed): Also nested functions
5885 and functions declared inline can be optimized out at -O0.
5887 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5889 * doc/install.texi (Configuration): Remove reference to CrossGCC
5893 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5896 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5897 ix86_compare_emitted is non-NULL.
5899 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5902 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5905 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5907 PR rtl-optimization/25514
5908 * combine.c (replaced_rhs_insn): New variable.
5909 (combine_instructions): Set replaced_rhs_insn when trying to replace
5910 a SET_SRC with a REG_EQUAL note.
5911 (distribute_notes): Use replaced_rhs_insn when determining the live
5912 range of a REG_DEAD register.
5914 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5915 Anatoly Sokolov <aesok@post.ru>
5917 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5918 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5919 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5920 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5921 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5922 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5923 at90usb647, at90usb1286 and at90usb1287 devices.
5924 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5925 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5927 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5929 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5931 2006-05-22 Richard Guenther <rguenther@suse.de>
5934 2006-01-31 Richard Guenther <rguenther@suse.de>
5935 Paolo Bonzini <bonzini@gnu.org>
5937 * doc/install.texi (--disable-libgcc-math): Document.
5939 2006-05-22 Richard Guenther <rguenther@suse.de>
5942 2006-01-31 Richard Guenther <rguenther@suse.de>
5944 * doc/invoke.texi (-msselibm): Document.
5945 * target.h (expand_library_builtin): New target hook.
5946 * builtins.c (expand_builtin): Use expand_library_builtin.
5947 (default_expand_library_builtin): New function.
5948 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5949 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5950 (link_gcc_math_spec): Declare.
5951 (static_specs): Add link_gcc_math_spec.
5952 * expr.h (default_expand_library_builtin): Declare.
5953 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5954 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5955 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5956 * config/i386/i386.opt (msselibm): New target option.
5957 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5958 (ix86_init_sse_abi_builtins): New function.
5959 (ix86_expand_library_builtin): Likewise.
5960 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5961 (override_options): Handle error conditions wrt -msselibm.
5962 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5963 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5964 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5967 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5970 * c-common.c (self_promoting_args_p): Skip erroneous args.
5973 * c-decl.c (finish_struct): Skip erroneous fields.
5975 2006-05-22 Nick Clifton <nickc@redhat.com>
5977 * config/cris/cris.opt (march): Remove VarExists attribute.
5978 (max-stackframe=): Likewise.
5980 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5982 * doc/rtl.texi: Fix a typo.
5983 * see.c: Fix comment typos.
5985 * tree-ssa-structalias.h (alias_info): Remove num_references.
5987 2006-05-21 Mike Stump <mrs@apple.com>
5989 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5991 (darwin_pragma_options): Use BAD instead.
5992 (darwin_pragma_unused): Likewise.
5993 (darwin_pragma_ms_struct): Likewise.
5995 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5997 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5999 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6001 PR rtl-optimization/27671
6002 * simplify-rtx.c (simplify_relational_operation_1): Fix
6003 simplifications of (eq/ne (xor x y) y) and
6004 (eq/ne (xor x y) x).
6006 PR tree-optimization/26622.
6007 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6010 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6012 * tree-cfg.c: Prune whitespace.
6013 (debug_tree_cfg): Point to correct header containing the
6016 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6019 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6021 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6024 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6025 or sorry count is non zero.
6027 2006-05-20 Andreas Schwab <schwab@suse.de>
6029 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6031 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6032 Kenneth Zadeck <zadeck@naturalbridge.com>
6034 PR rtl-optimization/26855
6036 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6038 (df_scan_alloc): Added code to properly handle multiword hard
6039 registers and add all_blocks parameter.
6040 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6041 code to properly handle multiword hard registers.
6042 (df_rescan_blocks): Added code to remove deleted blocks from
6044 (df_ref_create_structure, df_ref_record): Added code to properly
6046 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6047 and set DF_REF_PARTIAL.
6048 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6049 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6050 (df_scan_add_problem): Added flags parameter.
6051 (df_ref_create_structure): Changed switching structure.
6052 (df_bb_refs_record): Fixed case where duplicate artificial refs
6053 were created. Changed location of flags.
6054 (df_record_entry_block_defs): Added code to make stack pointer
6055 live in entry block. Refined cases where frame pointer is needed.
6056 Changed location of flags.
6057 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6058 (df_set_state): Removed function.
6059 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6060 df_insn_create_insn_record, df_insn_refs_delete,
6061 df_ref_create_structure): Formatting changes.
6062 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6063 df_delete_basic_block): New function.
6064 (df_init): Changed location of flags.
6065 (df_add_problem): Added flags parameter and the way flags are
6067 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6068 debug_df_chain): Improved debugging output.
6069 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6070 (df_refs_chain_dump): Removed df parameter.
6071 (df_iterative_dataflow): Added consistency check.
6072 (df_prune_to_subcfg): Made public.
6073 (df_analyze_problem): Added blocks_to_init parameter and made
6075 (df_ref_record, df_bb_refs_record, df_mark_reg,
6076 df_record_exit_block_uses): Whitespace changes.
6077 (df_dump): Whitespace changes.
6078 * df.h: Some reordering to remove forward references.
6079 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6080 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6081 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6082 (dataflow.flags): New field.
6083 (df.flag): Deleted field.
6084 (df_alloc_function): Added additional bitmap parameter.
6085 (df_dependent_problem_function): New type.
6086 (df_problem.changeable_flags): New field.
6087 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6088 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6089 (df_mw_hardreg): New struct.
6090 (DF_INSN_UID_MWS): New macro.
6091 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6093 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6094 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6095 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6096 (df_set_state): Removed function.
6097 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6098 * df-problems.c (df_chain_dump): Removed df parameter.
6099 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6100 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6102 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6103 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6104 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6105 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6106 DF_REF_MUST_CLOBBER cases.
6107 (df_ru_bb_local_compute_process_def,
6108 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6109 df_lr_bb_local_compute, df_ur_bb_local_compute,
6110 df_chain_create_bb): Made subreg aware.
6111 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6112 df_lr_bb_local_compute, df_lr_bb_local_compute,
6113 df_chain_create_bb): Cleanup to use proper macros.
6114 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6115 code to fixup bitvectors.
6116 (df_ri_alloc): Cleared lifetime.
6117 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6118 df_create_unused_note): New function.
6119 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6120 REG_DEAD and REG_UNUSED notes as well as register information.
6121 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6122 df_chains_dump): Fixed crash if problem was never run.
6123 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6124 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6125 df_ri_add_problem): Processes flags in uniform manner.
6126 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6127 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6128 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6129 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6130 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6131 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6132 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6133 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6134 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6135 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6136 * see.c (see_initialize_data): Ditto.
6137 * final.c (rest_of_clean_state) Added regstack_completed.
6138 * rtl.h (regstack_completed): Ditto.
6139 * reg-stack.c (regstack_completed): Ditto.
6141 2006-05-19 Mike Stump <mrs@apple.com>
6143 * c-tree.h (default_conversion): Remove.
6144 * c-common.h (default_conversion): Add.
6146 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6148 * tree-vrp.c (valid_value_p): New function.
6149 (adjust_range_with_scev): Fail if the value of bound is not
6152 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6154 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6155 (mips_fallback_frame_state): Use syscall numbers to determine
6156 the appropriate li instruction for the current ABI. Only use
6157 __NR_sigreturn for o32.
6159 2006-05-19 Nicolas Setton <setton@adacore.com>
6161 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6162 * langhooks.c (lhd_dwarf_name): New function.
6163 * langhooks-def.h (lhd_dwarf_name): Declare.
6164 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6165 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6166 * ada/misc.c (gnat_dwarf_name): New function.
6167 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6169 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6171 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6173 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6174 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6175 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6176 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6177 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6178 determine the size of Wtype, etc.
6179 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6180 (swfloatfuncs): New variable.
6181 (dwfloatfuncs): Likewise.
6182 (lib2funcs): Remove floating-point conversion functions from
6183 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6184 the set of conversion routines needed. Allow entries to specify
6185 an object name, filename and word size. Update users accordingly.
6186 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6187 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6191 2006-02-08 Roger Sayle <roger@eyesopen.com>
6194 * config/fixtfdi.c: New libgcc source file.
6195 * config/fixunstfdi.c: New source file.
6196 * config/floatditf.c: New source file.
6197 * config/floatunditf.c: New souce file.
6198 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6199 files above instead of config/mips/_tilib.c.
6200 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6202 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6204 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6205 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6207 2006-05-18 Mike Stump <mrs@apple.com>
6209 Fix up vla, vm and [*] sematics.
6215 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6216 (c_vla_unspec_p): Add.
6217 (c_vla_type_p): Add.
6218 * c-decl.c (struct c_scope): Add had_vla_unspec.
6219 (build_array_declarator): Add support for [*].
6220 (grokdeclarator): Likewise.
6221 (grokparms): Likewise.
6222 (get_parm_info): Likewise.
6223 * c-objc-common.c (c_vla_unspec_p): Likewise.
6224 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6225 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6226 typeof when argument is a variably modified type not inside sizeof or alignof.
6227 (c_parser_direct_declarator_inner): Propagate errors.
6228 (c_parser_sizeof_expression): Add support for [*].
6229 (c_parser_parms_declarator): Initialize had_vla_unspec.
6230 (c_parser_parms_list_declarator): Likewise.
6231 * c-typeck.c (c_vla_type_p): Add.
6232 (composite_type): Add support for vla compositing.
6233 (comptypes_internal): Add support for vla compatibility.
6234 (c_expr_sizeof_expr): Evaluate vla arguments.
6235 * tree.c (variably_modified_type_p): Update comment for [*].
6237 2006-05-18 Michael Matz <matz@suse.de>
6240 * config.host: Make assignments to host_xmake_file cumulative.
6241 * config.host (*-darwin*): Test $host, not $target.
6243 2006-05-12 Stuart Hastings <stuart@apple.com>
6245 * config/i386/i386.opt (-mstackrealign): New flag.
6246 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6247 (ix86_handle_cconv_attribute): Emit error when
6248 force_align_arg_pointer attribute collides with too many regparms.
6249 (ix86_function_regparm): Limit regparms when used with
6250 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6251 Support stack-realigning prologue in non-main functions. Emit
6252 warning for nested functions under -mstackrealign, emit error for
6253 nested functions with force_align_arg_pointer attribute.
6254 * doc/extend.texi (force_align_arg_pointer): Document it.
6255 * doc/invoke.texi (-mstackrealign): Document it.
6257 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6259 PR rtl-optimization/27477
6260 * combine.c (try_combine): Don't split a parallel consisting
6261 of two sets into two individual sets if both sets reference
6264 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6266 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6267 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6269 * doc/options.texi (VarExists): Updated.
6271 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6273 * unwind-dw2.c: Add declarations for uw_update_context and
6275 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6276 detected, advance frame state and context once to skip over stub.
6278 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6282 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6283 Call rewrite_into_loop_closed_ssa only when something changed.
6284 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6285 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6286 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6287 Test for perfect_nest_p here. Fix formating.
6288 (replace_uses_equiv_to_x_with_y): Fix formating.
6289 (stmt_uses_op): Removed.
6290 (can_convert_to_perfect_nest): Removed loopivs parameter.
6291 Complete the test by checking the scalar dependences.
6292 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6295 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6298 From Dan Kegel <dank@kegel.com>:
6299 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6301 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6303 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6304 if the element type is variably modified without recursing.
6306 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6309 * tree-loop-linear.c (try_interchange_loops): Test for
6310 no data dependences.
6312 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6314 PR tree-optimization/27548
6315 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6316 range of ssa names that appear on abnormal edges.
6317 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6318 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6320 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6323 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6325 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6328 * tree.h (OMP_PARALLEL_COMBINED): Define.
6329 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6330 (new_omp_context): Add is_combined_parallel argument.
6331 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6332 new_omp_context caller.
6333 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6334 Adjust gimplify_scan_omp_clauses callers.
6335 (omp_is_private): Issue errors if iteration variable is firstprivate
6336 or reduction in the current context.
6337 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6338 on combined parallel workshare constructs.
6340 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6342 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6343 (gcc-options.o): New rule.
6345 * optc-gen.awk: Protect variables for gcc-options.o with
6346 #ifdef GCC_DRIVER/#endif.
6348 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6350 Fix PR tree-optimization/27373
6351 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6352 (forward_propagate_addr_expr): Update call.
6354 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6356 * doc/options.texi: Move the Negative option.
6358 2006-05-16 Richard Guenther <rguenther@suse.de>
6360 PR tree-optimization/22303
6361 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6363 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6364 ccp_fold did not simplify the statement.
6366 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6369 * Makefile.in (GCC_OBJS): New.
6370 (OBJS-common): Add opts-common.o.
6371 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6372 (cpp$(exeext)): Likewise.
6373 (gcc.o): Also depend on opts.h.
6374 (opts-common.o): New.
6376 * common.opt (gcoff): Add Negative(gdwarf-2).
6377 (gdwarf-2): Add Negative(gstabs).
6378 (gstabs): Add Negative(gstabs+).
6379 (gstabs+): Add Negative(gvms).
6380 (gvms): Add Negative(gxcoff).
6381 (gxcoff): Add Negative(gxcoff+).
6382 (gxcoff+): Add Negative(gcoff).
6383 * config/i386/i386.opt (m32): Add Negative(m64).
6384 (m64): Add Negative(m32).
6386 * doc/options.texi: Document the Negative option.
6388 * gcc.c: Include "opts.h".
6389 (main): Call prune_options after expandargv.
6391 * optc-gen.awk: Generate common declarations for all flag
6392 variables in options.c. Output the neg_index field.
6394 * opts.c (find_opt): Moved to ...
6395 * opts-common.c: Here. New file.
6397 * opts.h (cl_option): Add a neg_index field.
6399 (prune_options): Likewise.
6401 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6404 * omp-low.c (expand_omp_parallel): Don't assert
6405 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6406 instead search for it.
6409 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6412 2006-05-16 Andreas Schwab <schwab@suse.de>
6414 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6417 2006-05-15 Roger Sayle <roger@eyesopen.com>
6420 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6421 integer constants other than zero are only legitimate on TARGET_64BIT.
6422 <CONST_VECTOR> Only zero vectors are legitimate.
6423 (ix86_cannot_force_const_mem): Integral and vector constants can
6424 always be put in the constant pool.
6426 2006-05-16 DJ Delorie <dj@redhat.com>
6428 * crtstuff.c (__dso_handle): Set section from
6429 TARGET_LBIGCC_SDATA_SECTION if defined.
6430 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6431 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6433 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6436 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6439 2006-05-16 Ben Elliston <bje@au.ibm.com>
6441 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6443 2006-05-15 Per Bothner <per@bothner.com>
6445 * tree.c: (last_annotated_node): Use source_locus typedef.
6446 This permits bootstrapping with --enable-mapped-location.
6448 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6450 PR tree-optimization/26830
6451 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6452 (info_for_ssa_name, current_info_for_ssa_name_age,
6453 blocks_to_update): New variables.
6454 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6455 (clear_ssa_name_info, initialize_flags_in_bb,
6456 mark_block_for_update): New functions.
6457 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6458 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6459 prepare_def_site_for): Use mark_block_for_update.
6460 (mark_def_interesting): Assert that the processed block is marked in
6461 blocks_to_update. Do not take blocks argument.
6462 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6464 (rewrite_update_init_block, rewrite_update_stmt): Only process
6465 blocks with statements to rewrite.
6466 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6467 (update_ssa): Initialize and free blocks_to_update. Do not
6468 clear flags on statements. Do not use blocks bitmap.
6469 * tree.h (SSA_NAME_AUX): Removed.
6470 (struct tree_ssa_name): Removed aux field.
6471 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6473 2006-05-15 Richard Guenther <rguenther@suse.de>
6475 PR tree-optimization/27603
6476 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6477 Do computations in original type.
6479 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6481 * see.c: Code style changes such as redundant paranthesis,
6482 redundant intialization of local variables etc.
6483 (see_main): Declared now as static.
6484 * doc/invoke.texi: Update that -fsee is not enabled by
6487 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6489 * omp-low.c (check_omp_nesting_restrictions): New function.
6490 (scan_omp_1): Call it.
6493 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6494 construct, return *VAR.
6496 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6498 PR rtl-optimization/27406
6499 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6502 2006-05-14 Roger Sayle <roger@eyesopen.com>
6504 PR rtl-optimization/27538
6505 * combine.c (expand_compound_operation): Call gen_lowpart
6506 before calling simplify_shift_const.
6508 2006-05-14 Roger Sayle <roger@eyesopen.com>
6510 PR rtl-optimization/22563
6511 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6512 a fixed width bitfield, always force the intermediates into psuedos.
6514 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6517 * mkconfig.sh: Use operator = instead of == for test.
6519 2006-05-13 Nick Clifton <nickc@redhat.com>
6521 * dwarf2out.c (dbx_reg_number): Check return value from
6522 LEAF_REG_REMAP and only use it if it is valid.
6523 (multiple_reg_loc_descriptor): Likewise.
6525 2006-05-13 Richard Guenther <rguenther@suse.de>
6527 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6530 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6532 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6533 information attached to non-INSNs such as NOTEs.
6534 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6536 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6538 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6540 * config/s390/s390.md: Adjust comment describing On constraint.
6542 2006-05-11 Jan Hubicka <jh@suse.cz>
6544 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6545 to be output at -O0.
6547 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6550 * fold-const.c (size_binop): Move sanity check for arguments to
6551 the beginning of the function.
6554 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6557 2006-05-11 Richard Guenther <rguenther@suse.de>
6560 * fold-const.c (fold_unary): Handle intermediate conversion
6561 to a pointer type like intermediate conversion to an integer
6562 type in folding of (T1)(T2)var to var.
6563 Match the code to the comment in the final conversion for
6564 (T1)(T2)var to (T1)var regarding to type precision. Rather
6565 than disallow T1 being of pointer type, assert that both T1
6566 and var are of pointer type or not. Make sure not to fall
6567 over the frontends lazyness wrt array to pointer decay though.
6569 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6571 * arm.c (arm_struct_value_rtx): Delete.
6572 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6573 (arm_init_cumulative_args): Always initialize nregs to zero.
6575 2006-05-10 Richard Guenther <rguenther@suse.de>
6577 PR tree-optimization/27532
6578 * tree-object-size.c (plus_expr_object_size): Fix typo.
6580 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6583 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6584 ashrdi_const, ashrdi3): Use a scratch register.
6586 2006-05-10 Richard Guenther <rguenther@suse.de>
6588 PR tree-optimization/27302
6589 * fold-const.c (operand_equal_p): For two comparisons,
6590 try comparison of one comparison code swapped if that yields
6593 2006-05-10 Ben Elliston <bje@au.ibm.com>
6595 * tree-pretty-print.c (pretty_print_string): No need to handle
6596 '\0' as a special character.
6598 * tree.h: Include "hashtab.h".
6599 (iterative_hash_expr): Use hashval_t in its prototype.
6600 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6602 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6605 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6606 (hppa*64*-*-hpux11*): Ditto.
6607 (hppa[12]*-*-hpux11*): Ditto.
6609 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6612 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6614 2006-05-09 Michael Matz <matz@suse.de>
6616 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6617 host_extra_gcc_objs and host_xmake_file.
6618 (<*-*-linux*>): Don't overwrite host_xmake_file.
6619 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6620 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6621 (host_detect_local_cpu): Declare.
6622 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6623 * config/i386/i386.c (override_options): Handle -mtune=native
6625 * config/i386/x-i386: New file.
6626 * config/i386/driver-i386.c: New file.
6627 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6630 2006-05-09 Dirk Mueller <dmueller@suse.de>
6631 Richard Guenther <rguenther@suse.de>
6634 * fold-const.c (fold_read_from_constant_string): Relax check
6635 for matching types to matching modes.
6637 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6639 PR rtl-optimization/27335
6640 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6643 2006-05-08 Chao-ying Fu <fu@mips.com>
6644 Richard Sandiford <richard@codesourcery.com>
6646 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6647 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6648 * config/mips/mips.md (UNSPEC_SCC): New constant.
6649 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6650 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6651 (mips_emit_compare): Use it.
6652 (mips_expand_vcondv2sf): New function.
6654 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6656 Fix PR tree-optimization/27093
6657 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6658 renaming when they become not-used_alone.
6660 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6662 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6663 relocation and relocation stubs.
6665 2006-05-08 Eric Christopher <echristo@apple.com>
6667 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6670 2006-05-08 Jan Hubicka <jh@suse.cz>
6673 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6674 unused static functions are needed.
6676 2006-05-08 Roger Sayle <roger@eyesopen.com>
6679 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6680 of a reg_equiv_constant if the result is a legitimate constant.
6682 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6685 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6686 standard 80387 constants, raise the cost to prevent
6687 compress_float_constant() to generate load from memory.
6689 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6691 * config/arm/constraints.md (c): Fix a typo.
6693 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6696 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6699 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6701 (_mm_mwait): Likewise.
6703 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6705 (sse3_monitor): Make it 32bit only.
6706 (sse3_monitor64): New. 64bit monitor.
6708 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6711 * config/i386/i386.c (classify_argument): Skip fields with invalid
6714 2006-05-07 Richard Guenther <rguenther@suse.de>
6716 PR tree-optimization/27409
6717 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6718 Do not try to find zero-sized subvars.
6720 2006-05-07 Richard Guenther <rguenther@suse.de>
6722 PR tree-optimization/27136
6723 * tree-ssa-loop-niter.c (get_val_for): Correct function
6724 comment, assert requirements.
6725 (loop_niter_by_eval): Stop processing if the iterated
6726 value did not simplify.
6728 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6730 * opts.c (flag_see): remove its setting at -O3.
6732 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6734 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6735 * arm/constraints.md: New file.
6736 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6737 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6738 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6739 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6740 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6741 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6742 * arm.md: Include constraints.md.
6743 (thumb_movsi_insn): Use satisfies_constraint_J.
6744 (movhi, movqi): Use satisfies_constraint_I.
6746 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6748 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6749 for atmeg a645 device.
6751 2006-05-06 Richard Guenther <rguenther@suse.de>
6753 PR tree-optimization/27151
6754 * tree-vect-transform.c (vectorizable_condition): Punt on
6755 values that have a different type than the condition.
6757 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6760 * c-parser.c (c_parser_cast_expression): Only insert casts into
6761 hash table if pointer.
6762 * function.c (used_types_insert_helper): Rename from
6764 (used_types_insert): Call used_types_insert_helper.
6765 * function.h (used_types_insert): Accept only one argument.
6767 2006-05-05 David Edelsohn <edesohn@gnu.org>
6769 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6770 scratch with output modifier.
6772 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6775 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6776 with output modifier.
6778 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6781 * config/mips/mips.c (mips_symbolic_address_p): Return true
6782 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6783 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6785 2006-05-04 Richard Guenther <rguenther@suse.de>
6787 PR tree-optimization/14287
6788 PR tree-optimization/14844
6789 PR tree-optimization/19792
6790 PR tree-optimization/21608
6791 PR tree-optimization/27090
6792 * tree-ssa-pre.c (try_combine_conversion): New function.
6793 (compute_avail): After constructing the value-handle
6794 expression, use try_combine_conversion to combine NOP_EXPRs
6795 with previous value-handle expressions and use the result if it
6798 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6800 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6802 2006-05-04 Jan Hubicka <jh@suse.cz>
6805 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6807 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6809 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6810 that this only matches CONST_INTs. All users changed to VOIDmode
6813 * config/bfin/bfin.c: Include "optabs.h".
6814 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6816 (enum bfin_builtins): Add a number of fractional and vector builtins.
6817 (bfin_init_builtins): Likewise.
6818 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6819 (safe_vector_operand, bfin_expand_binop_builtin,
6820 bfin_expand_unop_builtin): New functions.
6821 (bfin_expand_builtin): Handle the new builtins.
6822 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6825 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6828 * Makefile.in (OBJS-common): Add see.o.
6829 (see.o): Add dependencies.
6830 * common.opt (fsee): New flag for the see optimization was added.
6831 * opts.c (flag_see): Initialized.
6832 * passes.c (init_optimization_passes, pass_see): New pass.
6833 * rtl.h (see_main): Declaration as extern.
6834 * timevar.def (TV_SEE): New.
6835 * tree-pass.h (pass_see): Declaration as extern.
6836 * invoke.texi (-fsee): Document.
6837 * recog.c (validate_simplify_insn): New function.
6838 * recog.h (validate_simplify_insn): Declaration as extern.
6839 * df-problems.c (df_chain_dump): Check for NULL.
6841 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6842 Daniel Berlin <dberlin@dberlin.org>
6844 * cfgrtl.c (insert_insn_bb_end_new): New function.
6845 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6847 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6849 * df.h (struct web_entry): Moved from web.c.
6850 (union_defs): Declaration as extern.
6851 (unionfind_root): Likewise.
6852 (unionfind_union): Likewise.
6853 * web.c (struct web_entry): Moved to df.h.
6854 (unionfind_root): Remove static declaration.
6855 (unionfind_union): Likewise.
6856 (union_defs): Likewise and generalize to use callback function.
6857 (web_main): Update arguments for union_defs function call.
6859 2006-05-04 Richard Guenther <rguenther@suse.de>
6861 PR tree-optimization/26447
6862 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6863 produce SSA_NAME copies before the store stmt to avoid
6864 breaking exception handling.
6866 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6869 * gimplify.c (omp_is_private): If var is shared in some outer context,
6870 return false instead of true. Stop searching on parallel context
6873 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6876 * coverage.c: Use get_gcov_unsigned_t() instead of
6877 unsigned_type_node all over.
6879 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6881 PR tree-optimization/27381
6882 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6883 maintain the same immediate_use links.
6884 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6885 node rather than segfaulting.
6887 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6890 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6891 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6892 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6894 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6896 Fix PR tree-optimization/26626
6897 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6899 * tree-ssa-operands.c (access_can_touch_variable): Allow
6900 typecasting through union pointers.
6902 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6905 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6906 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6907 to find if var will be a global variable even in the nested context.
6908 (omp_copy_decl): Only check for global variable at the end, it might
6909 be overridden in outer contexts.
6910 (scan_sharing_clauses): For global variables don't create a field.
6911 (lower_rec_input_clauses): Do nothing for global shared variables.
6912 Emit a barrier at the end of ILIST if there were any decls in both
6913 firstprivate and lastprivate clauses.
6914 (lower_send_clauses): Do nothing for global variables except for
6917 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6919 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6920 of the correct signedness is returned.
6922 2006-05-02 Jeff Law <law@redhat.com>
6924 PR tree-optimization/27364
6925 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6926 multiply expressions.
6928 2006-05-02 Tom Tromey <tromey@redhat.com>
6930 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6932 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6935 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6936 -mthumb -fPIC are used.
6938 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6939 Joshua Kinard <kumba@gentoo.org>
6942 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6943 with 64-bit pointers.
6945 2006-05-02 Paul Brook <paul@codesourcery.com>
6947 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6949 (create_fix_barrier): Check that a suitable barrier location is
6951 (arm_reorg): Include ftmp->address in allowable range of addresses.
6953 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6956 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6959 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6962 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6963 around RESULT_DECL for result passed by reference.
6964 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6965 * omp-low.c (use_pointer_for_field): Don't look at
6966 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6967 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6968 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6969 time or var for passing by reference for
6970 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6971 TREE_ADDRESSABLE variables when passing by reference.
6973 * omp-low.c (dump_omp_region): Fix output formatting.
6976 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6977 (expand_omp_parallel): Likewise.
6978 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6981 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6982 on statement list containing also constructors and destructors.
6983 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6986 * except.c (duplicate_eh_regions): Fix clearing of
6987 cfun->eh->region_array entries.
6989 2006-05-01 DJ Delorie <dj@redhat.com>
6991 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6993 (gcc_cv_objdump): Likewise.
6994 * configure: Regenerated.
6996 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6999 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7000 templates for case 3 and 4.
7002 2006-05-01 DJ Delorie <dj@redhat.com>
7004 * vec.c: Include bconfig.h when appropriate.
7005 * Makefile.in (build/vec.o): Adjust dependencies.
7006 * mkconfig.sh: Make sure config.h isn't used for build machine
7009 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7011 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7013 (mark_phi_for_rewrite): New function.
7014 (insert_phi_nodes_for, mark_use_interesting): Call
7015 mark_phi_for_rewrite.
7016 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7017 (update_ssa): Initialize and free phis_to_rewrite.
7019 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7021 PR rtl-optimization/27291
7022 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7023 folded to a constant.
7025 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7027 PR tree-optimization/27283
7028 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7029 not whole # of iteration descriptions.
7030 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7031 uses abnormal ssa name.
7032 (niter_for_single_dom_exit): Ditto.
7033 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7034 return just the number of iterations.
7036 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7038 PR tree-optimization/27144
7039 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7040 (record_estimate): Only record constant upper bound.
7041 (infer_loop_bounds_from_undefined): Call
7042 compute_estimated_nb_iterations just once.
7043 (proved_non_wrapping_p): Renamed to ...
7044 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7045 (convert_step_widening, scev_probably_wraps_p): Call
7046 n_of_executions_at_most instead of proved_non_wrapping_p.
7047 (substitute_in_loop_info): Do not replace values in bounds.
7048 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7051 2006-05-01 Richard Henderson <rth@redhat.com>
7054 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7055 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7058 2006-05-01 Roger Sayle <roger@eyesopen.com>
7060 * c-typeck.c (parser_build_binary_op): Don't call the function
7061 unsigned_conversion_warning to spot operand/result type overflow.
7062 (build_binary_op): Instead, call convert_and_check instead of
7063 convert to report the problem when the operands are promoted.
7064 * c-common.c (unsigned_conversion_warning): Make static.
7065 * c-common.h (unsigned_conversion_warning): Delete prototype.
7067 2006-05-01 Richard Guenther <rguenther@suse.de>
7069 PR tree-optimization/26726
7070 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7072 (find_interesting_uses_address): ... we work around here
7073 by folding INDIRECT_REFs in the substituted base.
7075 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7077 * omp-low.c (dump_omp_region): Add newlines.
7079 2006-04-30 Roger Sayle <roger@eyesopen.com>
7081 * common.opt (Woverflow): New command line option.
7082 * c-common.c (constant_expression_warning): Check warn_overflow.
7083 (overflow_waring): Pass OPT_Woverflow to warning.
7084 (unsigned_conversion_warning): Likewise.
7085 (convert_and_check): Likewise.
7086 * doc/invoke.texi: Document new command line option.
7088 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7090 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7091 TARGET_NO_FP_IN_TOC for section anchors.
7092 (optimization_options): Enable section anchors for all
7093 non-"Objective" languages.
7095 2006-04-28 Eric Christopher <echristo@apple.com>
7097 * config/darwin-c.c (darwin_ms_struct): Move this
7098 (darwin_set_default_type_attributes): and this...
7099 * config/darwin.c: ... here.
7100 * config/darwin.h (darwin_ms_struct): Declare.
7102 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7104 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7106 2006-04-28 Roger Sayle <roger@eyesopen.com>
7109 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7110 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7111 an unsigned HOST_WIDE_INT.
7112 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7114 (really_start_incremental_init): No need to call convert because
7115 bitsize_zero_node is already of type bitsizetype.
7116 (push_init_level): Extract the value of constructor_index as an
7117 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7118 (process_init_element): Likewise.
7120 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7122 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7123 value before passing to make_relative_prefix.
7125 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7128 * builtins.c (expand_builtin_memset): Expand val in original mode.
7130 2006-04-27 Eric Christopher <echristo@apple.com>
7132 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7133 with #ifndef/#endif.
7134 * config/darwin-c.c (darwin_ms_struct): New.
7135 (darwin_pragma_ms_struct): Ditto.
7136 (darwin_set_default_type_attributes): Ditto.
7137 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7138 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7139 Register ms_struct pragma.
7140 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7141 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7142 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7143 darwin_set_default_type_attributes if TARGET_MACHO.
7145 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7147 PR tree-optimization/26854
7148 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7149 * doc/tree-ssa.texi: Update immuse iterator documentation.
7150 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7151 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7152 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7153 first_safe_imm_use, next_safe_imm_use): Remove.
7154 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7155 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7156 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7157 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7158 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7159 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7160 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7161 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7162 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7163 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7164 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7165 (perfect_nestify): Use new iterator.
7166 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7168 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7169 (next_imm_name): New field in struct immediate_use_iterator_d.
7170 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7171 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7172 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7173 * tree-cfg.c (replace_uses_by): Use new iterator.
7174 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7175 * tree-ssa-operands.c (correct_use_link): Remove.
7176 (finalize_ssa_use_ops): No longer call correct_use_link.
7178 2006-04-27 Stuart Hastings <stuart@apple.com>
7180 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7181 * config/t-darwin (crt3.o): Use it.
7182 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7183 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7184 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7185 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7186 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7189 2006-04-27 Roger Sayle <roger@eyesopen.com>
7191 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7192 size, force the intermediate into a new pseudo rather instead of
7193 performing both a bitwise AND and a bitwise IOR in memory.
7195 2006-04-27 Richard Guenther <rguenther@suse.de>
7197 PR rtl-optimization/26685
7198 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7199 this one "max-flow-memory-locations".
7201 2006-04-27 Richard Guenther <rguenther@suse.de>
7203 PR tree-optimization/25148
7204 * tree-vrp.c (compare_values): Remove code dealing with
7205 comparisons against type min/max value. Honour overflow
7206 and negative constants in code dealing with comparisons
7207 of plus and minus expressions.
7208 (value_inside_range): Use fold_binary with LE_EXPR and
7209 GE_EXPR rather than compare_values.
7211 2006-04-27 Dirk Mueller <dmueller@suse.de>
7213 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7216 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7218 * basic-block.h (safe_insert_insn_on_edge): Removed.
7219 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7221 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7222 Paolo Bonzini <bonzini@gnu.org>
7225 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7226 (simplify_and_const_int): Same.
7228 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7230 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7232 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7235 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7236 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7237 cgraph_global_info_ready.
7240 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7243 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7244 either decl or init is error_mark_node.
7247 * tree-flow.h (struct omp_region): Add sched_kind.
7248 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7249 instead of extracting omp for data.
7250 (expand_omp_for): Save extracted sched_kind.
7252 2006-04-25 Roger Sayle <roger@eyesopen.com>
7254 * expmed.c (store_bit_field): Also check whether the bitsize is
7255 valid for the machine's "insv" instruction before moving the
7256 target into a pseudo for use with the insv.
7257 * config/i386/predicates.md (const8_operand): New predicate.
7258 * config/i386/i386.md (extv, extzv, insv): Use the new
7259 const8_operand predicate where appropriate.
7261 2006-04-25 DJ Delorie <dj@redhat.com>
7263 * doc/install.texi (Specific): Clarify that this is not a list of
7264 supported hosts or targets.
7266 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7268 PR rtl-optimization/26725
7269 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7270 block's BB_DIRTY flag.
7272 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7274 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7277 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7278 to print an integer.
7280 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7282 * varasm.c (align_variable): New function.
7283 (get_block_for_decl): Apply align_variable to DECL before
7284 calculating section information.
7285 (assemble_variable): Split out alignment computation.
7287 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7289 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7292 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7294 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7295 MODE_PARTIAL_INT mode.
7296 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7297 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7299 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7300 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7302 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7304 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7306 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7307 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7308 MACFLAG_IH): Likewise.
7309 (movstricthi_1): Renamed from "*movstricthi".
7310 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7311 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7312 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7313 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7314 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7315 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7316 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7317 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7318 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7319 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7320 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7321 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7322 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7323 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7324 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7326 * doc/rtl.texi (ss_ashift): Improve wording.
7328 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7330 * dwarf2out.c (verify_marks_clear): New.
7331 (prune_unused_types): Call verify_marks_clear initially, not
7334 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7336 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7337 * doc/rtl.texi: Document them.
7338 * simplify-rtx.c (simplify_unary_operation,
7339 simplify_binary_operation_1): Don't abort when we see them.
7341 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7344 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7345 * configure.ac: Completely disregard languages that are not
7347 * configure: Regenerated.
7349 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7350 Richard Guenther <rguenther@suse.de>
7352 PR tree-optimization/27236
7353 * tree-inline.c (copy_body_r): Make sure to copy
7354 TREE_THIS_VOLATILE flag.
7356 2006-04-24 Richard Guenther <rguenther@suse.de>
7359 * tree-complex.c (update_parameter_components): Don't handle
7360 unused parameters which have no default def.
7362 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7363 Richard Guenther <rguenther@suse.de>
7365 PR tree-optimization/27218
7366 * tree-inline.c (expand_call_inline): Strip useless type
7367 conversions for the return slot address.
7369 2006-04-24 Richard Guenther <rguenther@suse.de>
7371 * cfgloop.h (struct loops): Remove unused field array. Reorder
7373 (LOOP_PREFETCH): Remove.
7375 2006-04-24 Richard Guenther <rguenther@suse.de>
7377 PR tree-optimization/22525
7378 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7379 variable, adjust types of generated expressions.
7381 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7383 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7384 (tree-vect-patterns.o): Likewise.
7386 (cselib.o): Likewise.
7387 (loop-doloop.o): Likewise.
7388 (regclass.o): Likewise.
7389 (reload1.o): Likewise.
7390 (explow.o): Replace target.h with $(TARGET_H).
7391 (ipa-prop.o): Likewise.
7392 (ipa-cp.o): Likewise.
7393 (ipa-inline.o): Likewise.
7394 (reorg.o): Likewise.
7395 (reg-stack.o): Likewise.
7397 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7399 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7401 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7403 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7405 * configure.ac: Completely disregard languages that are not
7407 * configure: Regenerated.
7410 * c-common.h (c_build_bitfield_integer_type): Declare.
7411 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7412 * c-common.c (c_build_bitfield_integer_type): ... here.
7414 2006-04-23 Roger Sayle <roger@eyesopen.com>
7417 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7418 a SImode SUBREG of a floating point register after no_new_pseudos.
7420 2006-04-23 Roger Sayle <roger@eyesopen.com>
7422 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7423 identify potentially eliminable registers to additionally catch
7424 VIRTUAL_INCOMING_ARGS_REGNUM.
7425 (addsi3): Update the conditions on when to use addsi_small_int.
7427 2006-04-23 Roger Sayle <roger@eyesopen.com>
7430 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7431 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7432 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7434 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7436 * fold-const.c (range_predecessor): Use operand_equal_p
7437 as the predicate for equality.
7438 (range_successor): Likewise.
7440 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7443 * config/soft-fp/op-common.h: Fix a typo.
7445 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7448 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7449 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7451 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7453 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7455 * doc/tm.texi: Fix a typo.
7457 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7459 * dwarf2out.c (struct die_struct): Document that die_sib makes
7460 a circular linked list.
7461 (FOR_EACH_CHILD): New.
7462 (reverse_die_lists): Delete.
7463 (reverse_all_dies): Delete.
7464 (add_dwarf_attr): Correct documentation.
7465 (remove_child_with_prev): New.
7466 (remove_child_TAG): Update for change to die_struct, use
7467 remove_child_with_prev.
7468 (add_child_die): Update for change to die_struct.
7469 (splice_child_die): Use remove_child_with_prev and add_child_die.
7470 (print_die): Use FOR_EACH_CHILD.
7471 (die_checksum): Likewise.
7472 (assign_symbol_names): Likewise.
7473 (output_location_lists): Likewise.
7474 (build_abbrev_table): Likewise.
7475 (calc_die_sizes): Likewise.
7476 (mark_dies): Likewise.
7477 (unmark_dies): Likewise.
7478 (unmark_all_dies): Likewise.
7479 (output_die): Likewise.
7480 (prune_unused_types_mark): Likewise.
7481 (prune_unused_types_walk): Likewise.
7482 (same_die_p): Update for change to die_struct.
7483 (break_out_includes): Likewise.
7484 (prune_unused_types_prune): Likewise.
7485 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7486 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7488 (dwarf2out_finish): Don't call reverse_all_dies.
7490 2006-04-21 Eric Christopher <echristo@apple.com>
7492 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7493 in comments and function names.
7495 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7498 * c-typeck.c (digest_init): Robustify.
7500 * c-typeck.c (pop_init_level): Simplify.
7502 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7504 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7506 2006-04-21 Paul Brook <paul@codesourcery.com>
7508 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7509 hardware floating point.
7511 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7513 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7516 2006-04-21 Nick Clifton <nickc@redhat.com>
7518 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7521 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7524 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7525 C++ lang type in traceback table for Objective-C++.
7527 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7529 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7531 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7533 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7536 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7537 were errors. Remove check for erroneous objects.
7539 2006-04-20 Jeff Law <law@redhat.com>
7541 PR tree-optimization/26854
7542 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7543 checking for zero or one use.
7544 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7545 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7546 * tree-ssa-reassoc.c (negate_value): Similarly.
7547 (reassociate_bb): Similarly.
7549 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7551 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7552 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7553 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7555 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7557 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7558 fp regs if the last fp arg doesn't fit in regs.
7560 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7563 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7564 that the last insn has the REG_INC note.
7566 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7567 Nathan Sidwell <nathan@codesourcery.com>
7570 * stor-layout.c (update_alignment_for_field): Do not align
7572 (place_union_field): Place union field at the start of the union.
7573 (place_field): Move ERROR_MARK check later, and use the current
7574 allocation position to maintain monotonicity.
7576 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7578 * dominance.c: Include timevar.h.
7579 (calculate_dominance_info): Use TV_DOMINANCE.
7580 * timevar.def (TV_DOMINANCE): New timevar.
7581 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7583 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7585 PR rtl-optimization/14261
7586 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7587 move would be an INSV insn.
7588 (noce_process_if_block): Don't optimize if the destination is a
7589 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7591 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7593 * config/s390/s390.md: Add comments with the instructions emitted
7594 by an insn pattern if macros are used.
7596 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7598 PR rtl-optimization/26026
7599 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7600 is a known power of two shifted left a variable amount.
7602 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7604 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7605 to hash table twice when the debug_str section has SECTION_MERGE.
7607 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7609 * config/soft-fp: New directory. From glibc.
7610 * config/soft-fp/t-softfp: New.
7611 * config/soft-fp/README: New.
7612 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7613 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7614 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7615 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7616 * config.gcc: Use rs6000/t-fprules-fpbit or
7617 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7619 * config/rs6000/sfp-machine.h: New. Based on glibc.
7620 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7622 * config/rs6000/t-fprules: Remove fp-bit rules.
7623 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7624 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7625 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7626 (softfp_wrap_start, softfp_wrap_end): New.
7628 2006-04-18 DJ Delorie <dj@redhat.com>
7630 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7632 2006-04-18 Devang Patel <dpatel@apple.com>
7634 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7636 2006-04-18 Nick Clifton <nickc@redhat.com>
7638 * config/sh/t-symbian: Add rule to build sh-c.o
7639 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7640 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7641 (sh_symbian_encode_section_info): Likewise.
7643 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7645 * builtins.c (expand_builtin_strcmp): Cover label definition of
7646 do_libcall with HAVE_cmpstrnsi.
7648 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7650 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7652 * function.h (temp_slot_p): New.
7653 (function): Change the type of x_used_temp_slots to
7654 VEC(temp_slot_p,gc) *.
7656 2006-04-18 Nick Clifton <nickc@redhat.com>
7658 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7659 flag_strength_reduce.
7661 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7663 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7667 Partial revert of revision 112637
7668 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7669 Dale Johannesen <dalej@apple.com>
7672 * regclass.c (struct reg_pref): Update documentation.
7673 (regclass): Set prefclass to NO_REGS if memory is the best option.
7674 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7676 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7678 PR tree-optimization/26821
7679 * tree-ssa-math-opts.c (get_constant_one): New.
7680 (insert_reciprocals): Use it.
7682 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7684 * dwarf2out.c (free_AT): Delete.
7685 (remove_AT): Update string ref counts.
7686 (remove_child_TAG): Don't call free_die.
7688 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7689 or DW_TAG_GNU_EINCL.
7690 (prune_unused_types_walk_attribs): Reset string refcounts.
7691 (prune_unused_types_update_strings): New.
7692 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7693 call free_die. Do call prune_unused_types_update_strings.
7694 (prune_unused_types): Empty debug_str_hash.
7696 2006-04-17 Roger Sayle <roger@eyesopen.com>
7698 * expr.c (expand_assignment): Optimize away no-op moves where the
7699 source and destination are equal and have no side-effects.
7701 2006-04-17 Richard Guenther <rguenther@suse.de>
7704 * reload.c (push_reload): Guard calls to get_secondary_mem
7707 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7709 * alias.c (reg_base_value, old_reg_base_value): Change the
7710 type to VEC(rtx,gc) *.
7711 (REG_BASE_VALUE, find_base_value, record_set,
7712 init_alias_analysis): Use VEC instead of VARRAY.
7714 * alias.c (alias_sets): Change the type to
7715 VEC(alias_set_entry,gc) *.
7716 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7717 VEC instead of VARRAY.
7718 (last_alias_set): Remove.
7720 * cgraph.h (cgraph_edge_p): New.
7721 Update the prototype of cgraph_function_versioning.
7722 * cgraphunit.c (cgraph_copy_node_for_versioning,
7723 cgraph_function_versioning): Use VEC instead of VARRAY.
7724 * ipa-cp.c (ipcp_insert_stage): Likewise.
7726 2006-04-16 Roger Sayle <roger@eyesopen.com>
7729 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7730 "A op B" or "A op C", we may need to convert A to the type of B and C.
7732 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7734 * target.h (struct gcc_target): Add mode_rep_extended.
7735 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7736 (init_num_sign_bit_copies_in_rep): Initialize it using
7738 (truncate_to_mode): Use it.
7739 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7740 * targhooks.h (default_mode_rep_extended): Declare it.
7741 * targhooks.c (default_mode_rep_extended): Define it.
7742 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7743 default_mode_rep_extended.
7744 (TARGET_INITIALIZER): Include it.
7745 * doc/tm.texi (Misc): Document it.
7746 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7747 (mips_truncated_to_mode): New function.
7749 2006-04-16 Roger Sayle <roger@eyesopen.com>
7752 * expr.c (compress_float_constant): Copy the narrow constant into
7753 a new pseudo before extending it to its final width.
7755 2006-04-16 Roger Sayle <roger@eyesopen.com>
7756 Andrew Pinski <pinskia@gcc.gnu.org>
7757 Dale Johannesen <dalej@apple.com>
7760 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7761 special case code to implement V8HImode and V16QImode with SSE2.
7763 2006-04-15 Roger Sayle <roger@eyesopen.com>
7765 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7766 trees are constructed with a suitable tree type.
7768 2006-04-15 Roger Sayle <roger@eyesopen.com>
7770 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7771 (integer_onep): Likewise.
7772 (integer_all_onesp): Likewise.
7773 (integer_pow2p): Likewise.
7774 (integer_nonzerop): Likewise.
7775 (real_zerop): Likewise.
7776 (real_onep): Likewise.
7777 (real_twop): Likewise.
7778 (real_minus_onep): Likewise.
7779 (int_size_in_bytes): Likewise.
7780 (host_integerp): Likewise.
7782 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7784 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7785 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7786 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7788 * tree-ssa-structalias.h (alias_info): Remove num_references.
7790 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7792 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7793 (output_bvb patterns): Likewise.
7794 * pa.c (output_bb): Use 'bb' insn for long branch case.
7795 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7796 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7797 1. Correct length operand for alternatives 1 and 2.
7798 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7799 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7801 2006-04-14 Roger Sayle <roger@eyesopen.com>
7803 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7804 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7805 were accidentally reverted by r112959.
7807 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7810 * except.h (eh_region_outermost): New prototype.
7811 * except.c (eh_region_outermost): New function.
7812 * tree-cfg.c (find_outermost_region_in_block): Use it.
7814 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7816 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7818 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7819 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7820 (init_reload, reload): Use VEC instead of VARRAY.
7821 * reload.h: Update the prototype for
7822 reg_equiv_memory_loc_varray.
7824 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7825 Eric Botcazou <ebotcazou@libertysurf.fr>
7827 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7830 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7833 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7834 to expand fallback builtin function call.
7836 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7839 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7840 and emit libcall here in case the builtin fails.
7841 (expand_builtin_strcmp): Always emit the libcall here on failure.
7843 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7845 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7846 * flow.c (reg_n_info): Change the type to
7847 VEC(reg_info_p,heap) *.
7848 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7850 * regs.h (reg_info_p): New.
7851 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7852 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7853 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7856 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7858 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7860 * params.h (MAX_SCHED_READY_INSNS): New macro.
7861 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7862 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7863 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7864 the ready list for 1 cycle during the first scheduling pass.
7865 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7867 2006-04-13 Richard Henderson <rth@redhat.com>
7870 * gimple-low.c (lower_omp_directive): Remove dead code.
7871 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7872 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7873 * omp-low.c (struct omp_region): Move to tree-flow.h.
7874 (root_omp_region): Export.
7875 (omp_regions, lookup_omp_region): Remove.
7876 (determine_parallel_type): Update for struct omp_region changes.
7877 (dump_omp_region): Dump regions with block numbers.
7878 (new_omp_region): Take type and block instead of stmt; malloc
7880 (free_omp_region_1, free_omp_regions): New.
7881 (expand_parallel_call): Take entry_stmt as argument; update for
7882 changes to omp_region.
7883 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7884 (remove_exit_barriers): New.
7885 (expand_omp_parallel): Update for struct omp_region changes.
7886 (expand_omp_synch): Likewise.
7887 (expand_omp): Likewise.
7888 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7889 (expand_omp_for_static_chunk): Likewise.
7890 (expand_omp_for): Likewise.
7891 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7892 (expand_omp_sections): Similarly, with GOMP_sections_end.
7893 (expand_omp_single): New.
7894 (build_omp_regions_1): Update for OMP_CONTINUE.
7895 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7896 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7897 OMP_SECTIONS_SECTIONS.
7898 (lower_omp_single_simple): Don't emit barrier here.
7899 (lower_omp_single_copy): Likewise.
7900 (lower_omp_single): Fix bindings, and lower to straightline now.
7901 (lower_omp_master, lower_omp_ordered): Likewise.
7902 (lower_omp_critical): Likewise.
7903 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7904 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7905 omp edges, free it afterward.
7906 (make_omp_sections_edges): Remove.
7907 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7908 (move_stmt_r): Handle OMP_CONTINUE.
7909 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7910 statement pointers to basic blocks. Add type member.
7911 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7912 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7913 * tree-inline.c (estimate_num_insns_1): Likewise.
7914 * tree-pretty-print.c (dump_generic_node): Likewise.
7915 * tree-ssa-operands.c (get_expr_operands): Likewise.
7916 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7917 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7918 (OMP_CONTINUE): New.
7919 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7920 (OMP_SECTIONS_SECTIONS): Remove.
7921 (OMP_SECTION_LAST): New.
7922 (OMP_RETURN_NOWAIT): New.
7924 2006-04-13 Roger Sayle <roger@eyesopen.com>
7926 * fold-const.c (native_encode_vector, native_interpret_real):
7927 Correct obvious mistakes in the previous check-in.
7929 2006-04-13 Roger Sayle <roger@eyesopen.com>
7931 * fold-const.c (native_encode_expr): New function to encode
7932 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7933 or VECTOR_CST into a specified buffer.
7934 (native_encode_int): New function.
7935 (native_encode_real): New function.
7936 (native_encode_complex): New function.
7937 (native_encode_vector): New function.
7938 (native_interpret_expr): Inverse of native_encode_expr to convert
7939 a target representation into an INTEGER_CST, REAL_CST etc...
7940 (native_interpret_int): New function.
7941 (native_interpret_real): New function.
7942 (native_interpret_complex): New function.
7943 (native_interpret_vector): New function.
7944 (fold_view_convert_expr): New function to constant fold/evaluate
7945 a VIEW_CONVERT_EXPR of a suitable constant expression.
7946 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7947 Change call of build1 to fold_build1 when constructing a
7950 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7951 Ulrich Weigand <uweigand@de.ibm.com>
7954 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7957 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7960 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7961 optimize to lo_sum for DFmode if !TARGET_FPRS.
7963 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7965 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7966 delete_alias_info, compute_flow_sensitive_aliasing,
7967 group_aliases): Use VEC instead of VARRAY.
7968 * tree-ssa-structalias.c (update_alias_info): Likewise.
7969 * tree-ssa-structalias.h (alias_info): Change the type of
7970 processed_ptrs to VEC(tree,heap) *.
7972 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7975 * config/sh/lib1funcs.h: New file, broken out of:
7976 * config/sh/lib1funcs.asm.
7977 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7979 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7980 * config/sh/lib1funcs-Os-4-200.asm: New file.
7981 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7982 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7983 (EXTRA_MULTILIB_PARTS): Include it.
7984 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7985 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7986 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7987 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7990 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7992 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7993 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7994 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7996 * tree-ssa-live.h: Include vecprim.h.
7997 (tree_partition_associator_d): Change the type of
7998 first_partition to VEC(int,heap) *.
7999 (tpa_first_partition): Use VEC instead of VARRAY.
8001 * Makefile.in (GTFILES): Move functions.h after tree.h.
8002 * function.c (reset_block_changes, record_block_change,
8003 check_block_change, free_block_changes): Use VEC instead of
8005 * function.h (function): Change the type of
8006 ib_boundaries_block to VEC(tree,gc) *.
8007 * tree-inline.c (copy_cfg_body): Initialize
8008 ib_boundaries_block to NULL instead of (varray_type) 0.
8010 2006-04-12 Roger Sayle <roger@eyesopen.com>
8012 * expr.c (emit_group_store): Correct operand order in call to
8013 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8014 a SUBREG_BYTE of zero.
8016 2006-04-12 Richard Guenther <rguenther@suse.de>
8018 * profile.c (compute_branch_probabilities): Remove code
8019 encapsulated in !ir_type (), which are remanents of the
8020 removed RTL profiling code.
8021 * rtl-profile.c: Remove.
8023 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8025 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8026 magic NULL_RTX comment.
8027 (function_arg): Store entire fp arg to mem if any part should go
8029 (rs6000_arg_partial_bytes): Adjust for above change.
8031 2006-04-11 Roger Sayle <roger@eyesopen.com>
8033 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8034 if it hasn't been initialized by dwarf2out_init.
8036 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8038 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8039 symbolic constants in branch patterns.
8041 2006-04-11 Roger Sayle <roger@eyesopen.com>
8043 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8045 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8047 PR rtl-optimization/27073
8048 * gcse.c (try_replace_reg): Revert last change. Continue to search
8049 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8052 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8054 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8055 aggregate types other than record and union types.
8056 (function_arg): Likewise.
8057 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8059 (function_value): In 64-bit mode, return objects that require it
8062 2006-04-11 Roger Sayle <roger@eyesopen.com>
8064 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8066 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8068 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8070 2006-04-03 Jeff Law <law@redhat.com>
8073 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8074 alias information too.
8076 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8078 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8080 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8083 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8084 (premark_used_types_helper): New.
8085 (premark_used_types): New.
8086 (gen_subprogram_die): Call premark_used_types.
8087 (prune_unused_types_walk): Do not prune perennial dies.
8088 * function.c (used_types_insert): New.
8089 * function.h (struct function): Add used_types_hash field.
8090 (used_types_insert): Add prototype.
8091 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8092 * c-parser.c (c_parser_cast_expression): Save casted types in used
8095 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8098 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8099 rs6000_explicit_options.float_gprs.
8101 2006-04-10 Roger Sayle <roger@eyesopen.com>
8103 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8104 from ix86_expand_vector_init_low_nonzero. Take an additional
8105 one_var argument indicating which element is non-zero. Support
8106 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8107 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8108 with one_var instead of ix86_expand_vector_init_low_nonzero.
8110 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8112 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8113 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8114 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8115 build/genextract.o): Depend on vecprim.h.
8116 * cfglayout.c, df-problems.c, function.c, genextract.c,
8117 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8118 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8122 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8124 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8125 Declare VECs of this type.
8126 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8127 (remove_children): Delete.
8128 (add_dwarf_attr): Use VEC routines.
8129 (add_AT_flag): Update for changes to add_dwarf_attr.
8130 (add_AT_int): Likewise.
8131 (add_AT_unsigned): Likewise.
8132 (add_AT_long_long): Likewise.
8133 (add_AT_vec): Likewise.
8134 (add_AT_string): Likewise.
8135 (add_AT_die_ref): Likewise.
8136 (add_AT_fde_ref): Likewise.
8137 (add_AT_loc): Likewise.
8138 (add_AT_loc_list): Likewise.
8139 (add_AT_addr): Likewise.
8140 (add_AT_lbl_id): Likewise.
8141 (add_AT_lineptr): Likewise.
8142 (add_AT_macptr): Likewise.
8143 (add_AT_offset): Likewise.
8144 (add_AT_range_list): Likewise.
8145 (get_AT): Use VEC_iterate.
8146 (remove_AT): Use VEC_ordered_remove.
8147 (free_die): Fold remove_children into here; have it use VEC_iterate.
8148 (print_die): Use VEC_iterate on attrs.
8149 (reverse_die_lists): Don't reverse attr lists.
8150 (die_checksum): Use VEC_iterate on attrs.
8151 (same_die_p): Likewise.
8152 (output_location_lists): Likewise.
8153 (build_abbrev_table): Likewise.
8154 (size_of_die): Likewise.
8155 (unmark_all_dies): Likewise.
8156 (output_abbrev_section): Likewise.
8157 (output_die): Likewise.
8158 (prune_unused_types_walk_attribs): Likewise.
8160 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8162 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8164 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8167 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8169 2006-04-09 Roger Sayle <roger@eyesopen.com>
8171 * expr.c (store_constructor): Don't bother clearing target if
8172 we're about to assign a vector to it using vec_init_optab.
8174 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8176 * tree-ssa-alias.c (lhs_may_store_to): New function.
8177 (recalculate_used_alone): Handle LHS of calls.
8179 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8183 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8184 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8185 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8186 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8187 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8188 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8189 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8190 stubs. Add ".align 8" directives before all ".dword" directives.
8191 (GTHREAD_USE_WEAK): Revise comment.
8192 (TARGET_ATTRIBUTE_WEAK): Define.
8193 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8194 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8195 * stublib.c: New file.
8200 * pa.md (cbranch patterns): Revise arguments used in calls to
8201 output_cbranch, output_bb and output_bvd. Add long branch length
8203 (fbranch patterns): Handle long branches.
8204 (jump): Revise length check. Revise arguments for output_lbranch call.
8205 Add long branch length attributes.
8206 (decrement_and_branch_until_zero): Add long branch length attributes.
8207 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8208 Likewise. Revise arguments for output_parallel_addb and
8209 output_parallel_movb calls.
8210 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8211 output_parallel_movb and output_parallel_addb): Update prototypes.
8212 * pa.c (output_cbranch): Revise arguments. Correct handling of
8213 nullification in long branches.
8214 (output_lbranch): Add new argument to control extraction of delay
8216 (output_bb): Handle long branches.
8217 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8218 output_parallel_addb): Likewise.
8220 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8222 PR rtl-optimization/27073
8223 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8226 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8228 * tree.h (tree_memory_tag): Add old_used_alone.
8229 (SMT_OLD_USED_ALONE): New macro.
8230 * tree-ssa-alias.c (recalculate_used_alone): Stop
8231 marking things for renaming unnecessarily.
8233 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8235 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8236 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8237 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8238 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8239 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8240 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8241 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8242 spelling convensions.
8243 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8244 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8245 typos. Follow spelling conventions.
8247 2006-04-07 DJ Delorie <dj@redhat.com>
8249 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8250 passed on the stack.
8251 (m32c_init_cumulative_args): When a function returns a structure,
8252 always pass the pointer to that return area on the stack.
8253 (m32c_function_arg_advance): Don't increment the parameter number
8254 if we're processing the returned structure pointer.
8255 (pushm_info): Reverse order of registers.
8257 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8259 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8260 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8261 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8262 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8264 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8265 chrec_fold_multiply): Same.
8266 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8267 force_expr_to_var_cost): Same.
8268 * tree-mudflap.c (mf_xform_derefs_1): Same.
8269 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8271 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8273 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8274 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8277 2006-04-07 Jan Hubicka <jh@suse.cz>
8279 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8281 2006-04-07 Richard Guenther <rguenther@suse.de>
8283 PR tree-optimization/26135
8284 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8285 loads for store copy-prop.
8286 (copy_prop_visit_stmt): Likewise.
8288 2006-04-05 Robert Millan <robertmh@gnu.org>
8290 * config/i386/linux.h: Add a comment to mark macros that are
8291 being overriden in config/k*bsd-gnu.h.
8292 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8294 * config/knetbsd-gnu.h: Ditto.
8296 2006-04-06 Jan Hubicka <jh@suse.cz>
8300 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8303 2006-04-06 Mike Stump <mrs@apple.com>
8305 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8306 for HAVE_nonlocal_goto to be consistent.
8307 (expand_builtin_nonlocal_goto): Likewise.
8308 (expand_builtin_strcmp): Use #ifdef instead of #if
8309 for HAVE_cmpstrnsi to be consistent.
8311 2006-04-05 DJ Delorie <dj@redhat.com>
8313 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8316 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8318 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8319 got-relative addressing for anything but SImode.
8321 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8322 even if the calling function doesn't modify them.
8324 2006-04-05 Richard Guenther <rguenther@suse.de>
8326 PR tree-optimization/26919
8327 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8328 to cgraph_estimate_size_after_inlining.
8330 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8332 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8334 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8336 PR tree-optimization/26996
8337 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8338 VECTOR_TYPE variables.
8340 2006-04-05 Richard Guenther <rguenther@suse.de>
8342 PR tree-optimization/26763
8343 * fold-const.c (fold_comparison): Move folding of
8344 PTR + CST CMP PTR + CST ...
8345 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8347 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8349 * doc/install.texi (Prerequisites): Refine some wording on
8350 bootstrapping and ksh.
8351 Move the version numbers of DejaGnu here from the testing section
8352 and fix casing of names.
8353 Fix markup and clarify wording for autogen requirements.
8354 Refer to GCJ instead of just java.
8355 Refer to SVN instead of CVS.
8356 Describe diffutils as useful instead of necessary.
8357 (Downloading the source): Refer to SVN instead of CVS.
8358 Adjust a link to our web site accordingly.
8359 (Configuration): Fix casing of Bison.
8360 (Building): Refer to SVN instead of CVS.
8361 Fix a sentence on the use of Bison and remove duplicate (and
8362 incorrect) version number of Bison requirement.
8363 Remove one redundant list of packages needed for building.
8364 (Specific): Avoid reference to CVS.
8366 2006-04-04 Eric Christopher <echristo@apple.com>
8368 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8369 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8370 (rs6000_handle_struct_attribute): New.
8371 (rs6000_ms_bitfield_layout_p): Ditto.
8373 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8375 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8376 NULL for dso parameter to atexit_common.
8378 2006-04-04 Eric Christopher <echristo@apple.com>
8380 * config/i386/i386.c (machopic_output_stub): Output \t
8381 between instructions and operands.
8383 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8385 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8386 satisfies_constraint_[IL] to explicit tests on value.
8388 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8390 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8391 set_nb_iterations_in_loop): Use build_int_cst instead of
8393 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8394 build_int_cst instead of convert.
8396 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8398 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8399 new value 2 for incoming.
8400 * function.c (expand_function_start): Call struct_value_rtx
8402 * config/sparc/sparc.md: Comment updated_return.
8403 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8404 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8405 struct return if sparc_std_struct_return and incoming is 2.
8406 (print_operand): Do not adjust return if
8407 sparc_std_struct_return.
8409 2006-04-04 Roger Sayle <roger@eyesopen.com>
8411 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8412 convert in the middle-end.
8413 * expr.c (store_expr, store_constructor, get_inner_reference,
8414 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8416 * tree.c (build_range_type): Likewise.
8418 2006-04-04 Tom Tromey <tromey@redhat.com>
8420 * doc/install.texi (Prerequisites): Mention jar.
8422 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8424 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8427 2006-04-04 Matthias Klose <doko@debian.org>
8429 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8433 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8436 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8438 * doc/extend.texi (Function Attributes): Rewrite visibility
8439 attribute documentation.
8440 * doc/invoke.texi (C++ Dialect Options): Rewrite
8441 -fvisibility-inlines-hidden documentation to describe something
8442 entirely different, although in practise compatible.
8443 (Code Gen Options): Warn about system headers in -fvisibility=
8446 * doc/extend.texi (Other Builtins): Document that
8447 __builtin_nan is a compile-time constant only when its argument
8450 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8452 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8453 trying to remove TRUNCATE check if all bits outside the new mode
8454 are identical to the sign bit.
8456 2006-04-03 Jeff Law <law@redhat.com>
8458 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8459 and operand scanning in some common cases.
8461 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8462 Dale Johannesen <dalej@apple.com>
8465 * regclass.c (struct reg_pref): Update documentation.
8466 (regclass): Set prefclass to NO_REGS if memory is the best option.
8467 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8468 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8469 into account. For non-registers, equate an empty preferred
8470 reload class to a `!' in the constraint; move the if clause to
8471 do so after those that reject the insn.
8472 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8474 (find_dummy_reload): Likewise.
8475 * doc/tm.texi (Register Classes): Document what it means
8476 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8477 * config/i386/i386.c (ix86_preferred_reload_class): Force
8478 using SSE registers (and return NO_REGS for floating-point
8479 constants) if math is done with SSE.
8480 (ix86_preferred_output_reload_class): New.
8481 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8482 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8483 * config/i386/i386.md: Remove # register preferences.
8485 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8488 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8489 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8490 the type of nb_iter.
8491 (instantiate_parameters_1): Convert the operands before calling
8492 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8493 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8495 2006-04-02 Roger Sayle <roger@eyesopen.com>
8497 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8498 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8500 * dojump.c (do_jump): Likewise.
8501 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8502 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8503 gimplify_boolean_expr): Likewise.
8504 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8505 * varasm.c (array_size_for_constructor): Likewise.
8506 * tree-object-size.c (compute_object_offset): Likewise.
8508 2006-04-02 Roger Sayle <roger@eyesopen.com>
8511 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8512 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8514 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8516 PR tree-optimization/26939
8517 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8519 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8521 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8522 at_stmt. Convert the type of operands before calling
8523 build_polynomial_chrec.
8524 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8526 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8527 (instantiate_parameters_1): Convert the type of operands before calling
8528 build_polynomial_chrec.
8529 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8530 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8531 reset_evolution_in_loop): Insert asserts to check the types of the
8533 (chrec_type): Moved...
8534 (eq_evolutions_p): Use operand_equal_p.
8535 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8536 the types of the operands.
8537 (chrec_type): ...here.
8538 * tree-data-ref.c (create_data_ref): Convert the operands before
8539 calling chrec_replace_initial_condition.
8540 (same_access_functions, analyze_subscript_affine_affine,
8541 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8542 (compute_subscript_distance, analyze_ziv_subscript,
8543 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8544 analyze_miv_subscript): Convert the operands before calling
8545 chrec_fold_minus or chrec_fold_plus.
8547 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8549 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8550 the dependence_relations vector.
8551 (compute_data_dependences_for_loop): Adjust call to
8552 compute_all_dependences.
8554 2006-04-01 Roger Sayle <roger@eyesopen.com>
8555 Richard Henderson <rth@redhat.com>
8557 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8558 gimple_boolify on the condition before calling gimplify_expr.
8560 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8562 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8563 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8564 the frame size. Update to use the new macros.
8565 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8566 * config/xtensa/ieee754-df.S: Likewise.
8568 2006-03-31 Richard Henderson <rth@redhat.com>
8570 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8571 (make_edges): ... here. Control fallthru creation with a local
8572 variable. Do not play with fake edges.
8573 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8574 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8577 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8579 * dwarf2.h (DW64_CIE_ID): Define.
8580 * dwarf2out.c (DWARF_CIE_ID): Define.
8581 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8582 length header. Use DWARF_CIE_ID.
8583 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8584 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8586 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8588 * config/sh/linux-atomic.asm: New file.
8589 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8591 2006-03-31 DJ Delorie <dj@redhat.com>
8593 * config/m32c/cond.md: Set condition flags properly throughout.
8594 * config/m32c/minmax.md: Likewise.
8595 * config/m32c/prologue.md: Likewise.
8596 * config/m32c/bitops.md: Likewise.
8597 * config/m32c/muldiv.md: Likewise.
8598 * config/m32c/mov.md: Likewise.
8599 * config/m32c/addsub.md: Likewise.
8600 * config/m32c/m32c.md: Likewise.
8601 * config/m32c/jump.md: Likewise.
8602 * config/m32c/shift.md: Likewise.
8604 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8605 conditionally output the pattern for this.
8606 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8607 (m32c_compare_redundant): New.
8608 (m32c_output_compare): New.
8609 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8611 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8612 dest, not src. Allow other 4-byte modes.
8614 2006-03-30 Denis Chertykov <denisc@overta.ru>
8616 * doc/md.texi: Refer to avr/constraints.md instead of
8619 2006-03-30 Roger Sayle <roger@eyesopen.com>
8621 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8622 signed vs. unsigned comparison failures on some hosts.
8624 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8627 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8628 change to FLOAT_REGS.
8630 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8631 (rs6000_override_options): Use it.
8632 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8633 only for -mabi=spe/no-spe and -mabi=altivec.
8635 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8637 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8640 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8642 * Makefile.in: Rename docdir to gcc_docdir.
8644 2006-03-30 Roger Sayle <roger@eyesopen.com>
8647 * expr.c (emit_group_store): Optimize group stores into a pseudo
8648 register by using a paradoxical subreg to initialize the destination
8649 if the first or last member of the group specifies a "low part".
8651 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8654 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8655 * target.h (struct gcc_target.speculate_insn): Change type of the
8656 second parameter to 'int'.
8657 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8658 the second operand of the DEPS_LIST.
8659 (copy_DEPS_LIST_list): Update reference to the second operand of the
8661 * rtl.h (alloc_DEPS_LIST): Update signature.
8662 * sched-int.h (ds_t): Change typedef to 'int'.
8663 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8665 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8667 * haifa-sched.c (try_ready): Change condition to restore
8668 non-speculative pattern of the instruction.
8669 (process_insn_depend_be_in_spec): Code to keep probability of the
8670 speculative dependence non-decreasing.
8672 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8674 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8675 (single_move_for_movmem): ... this. Also change all uses.
8676 (bfin_expand_strmov): Renamed to...
8677 (bfin_expand_movmem): ... this. Also change all uses.
8678 * config/bfin/bfin.md (movstrsi): Renamed to...
8679 (movstrsi): ...this.
8681 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8683 PR tree-optimization/26830
8685 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8686 (copy_prop_visit_stmt): Remove write-only variable ann.
8687 (init_copy_prop): Check variable loop depth here. Do not simulate
8688 memory-tag and virtual operand PHIs except for store copy prop.
8690 2006-03-30 Richard Guenther <rguenther@suse.de>
8692 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8693 variants with double arguments.
8695 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8697 * genpreds.c (write_tm_constrs_h): Delete variable p.
8698 * genconditions.c (write_header): Add tm-constrs.h to included
8700 * genpeep.c (main): Add toplev.h to included headers.
8701 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8702 (build/genpeep.o): Add toplev.h dependency.
8703 * config/rs6000/constraints.md: Add "W" constraint.
8705 2006-03-29 Roger Sayle <roger@eyesopen.com>
8707 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8708 sizes by correctly testing whether the size fits a host integer.
8709 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8710 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8711 SImode range for the default sizetype and bitsizetype.
8713 2006-03-29 Roger Sayle <roger@eyesopen.com>
8715 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8716 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8717 quickly if the argument is already of the correct type.
8718 Call fold_build1 instead of build1. Tidy up blank lines.
8720 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8722 * genemit.c (main): Add tm-constrs.h to included headers.
8723 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8724 * genpeep.c (main): Add tm-constrs.h to included headers.
8725 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8726 (write_tm_constrs_h): this and write complete file.
8727 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8728 (write_insn_preds_c): Add tm-constrs.h to included headers.
8729 (gen_constrs): New variable.
8730 (parse_option): Parse "-c".
8731 (main): Invoke write_tm_constrs_h.
8732 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8733 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8734 (object_out_file): Add tm-constrs.h dependency.
8735 (insn-emit.o): Same.
8736 (insn-output.o): Same.
8737 (insn-peep.o): Same.
8738 (insn-preds.o): Same.
8739 (insn-recog.o): Same.
8740 (tm-constsr.h): New target.
8741 (s-constrs-h): New target.
8743 * config/rs6000/constraints.md: New file.
8744 * config/rs6000/rs6000.c: Include tm-constrs.h.
8745 (num_insn_constant_wide): Convert to satisfies_constraint.
8746 (rs6000_rtx_costs): Convert to satisfies_constraint.
8747 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8748 (CONST_OK_FOR_LETTER_P): Delete.
8749 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8750 (EXTRA_CONSTRAINT): Delete.
8751 (EXTRA_MEMORY_CONSTRAINT): Delete.
8752 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8753 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8754 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8755 satisfies_constraint.
8757 * config/i386/i386.c: Include tm-constrs.h.
8759 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8761 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8762 * tree-data-ref.c (find_data_references_in_loop,
8763 compute_data_dependences_for_loop): Use pointers to VEC.
8764 (analyze_all_data_dependences): Adjust calls.
8765 * tree-data-ref.h (find_data_references_in_loop,
8766 compute_data_dependences_for_loop): Adjust declarations.
8767 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8768 compute_data_dependences_for_loop.
8770 2006-03-29 Paul Brook <paul@codesourcery.com>
8772 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8775 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8777 PR tree-optimization/26859
8778 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8780 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8781 for the step after fold_convert.
8783 2006-03-29 Paul Brook <paul@codesourcery.com>
8785 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8786 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8788 2006-03-29 Paul Brook <paul@codesourcery.com>
8791 * targhooks.c (default_narrow_bitfield): New fuction.
8792 * targhooks.h (default_narrow_bitfield): add prototype.
8793 * target.h (gcc_target): Add narrow_volatile_bitfield.
8794 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8795 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8796 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8797 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8799 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8801 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8803 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8804 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8805 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8806 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8807 (s390_function_arg_float): Allow SDmode and DDmode values to be
8808 passed in floating point registers.
8809 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8810 check with SCALAR_FLOAT_MODE_P.
8811 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8813 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8815 PR tree-optimization/25985
8816 * tree-ssa-loop-niter.c (number_of_iterations_le,
8817 number_of_iterations_ne): Make comments more precise.
8818 (number_of_iterations_cond): Add only_exit argument. Use the
8819 fact that signed variables do not overflow only when only_exit
8821 (loop_only_exit_p): New.
8822 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8823 number_of_iterations_cond.
8825 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8827 PR tree-optimization/26643
8828 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8831 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8833 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8834 (divsi3_i4_int): Likewise.
8836 2006-03-28 Roger Sayle <roger@eyesopen.com>
8838 * expr.c (emit_group_store): Only create a new pseudo reg if the
8839 quantity it needs to hold isn't already a suitable pseudo.
8841 2006-03-28 Jeff Law <law@redhat.com>
8843 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8844 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8846 2006-03-28 Roger Sayle <roger@eyesopen.com>
8848 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8849 the equivalent ~X & Y, and the symmetry related transformations.
8850 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8851 ~X & Y, and symmetry related transforms.
8853 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8855 Revert my 2006-03-27 patches.
8857 2006-03-28 Roger Sayle <roger@eyesopen.com>
8859 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8860 ~(T1)X, when T1 and T2 are integer types of the same precision
8861 and (T2)X isn't an extension.
8863 2006-03-28 Jeff Law <law@redhat.com>
8865 PR tree-optimization/26796
8866 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8867 need EH edge cleanups rather than purging them immediately.
8868 (eliminate_degenerate_phis): Handle queued EH cleanups.
8870 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8872 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8875 2006-03-27 Roger Sayle <roger@eyesopen.com>
8878 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8879 cast BIT_NOT_EXPR operand to the correct type.
8881 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8883 * tree-loop-linear.c: Don't include varray.h.
8884 (gather_interchange_stats, try_interchange_loops,
8885 linear_transform_loops): Use VEC instead of VARRAY.
8886 * lambda-mat.c: Don't include varray.h.
8887 * tree-chrec.c: Same.
8888 * lambda-trans.c: Same.
8889 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8890 VEC instead of VARRAY.
8891 * tree-vectorizer.h: Idem.
8892 * tree-data-ref.c (dump_data_references,
8893 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8894 initialize_data_dependence_relation, finalize_ddr_dependent,
8895 compute_all_dependences, find_data_references_in_loop,
8896 compute_data_dependences_for_loop, analyze_all_data_dependences,
8897 free_dependence_relation, free_dependence_relations,
8898 free_data_refs): Idem.
8899 * tree-data-ref.h (data_reference_p, subscript_p): New.
8900 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8901 VEC instead of VARRAY.
8902 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8903 (find_data_references_in_loop, compute_data_dependences_for_loop,
8904 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8905 dump_data_dependence_relations, free_dependence_relations,
8906 free_data_refs): Adjust declaration.
8907 (lambda_transform_legal_p): Move declaration here...
8908 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8909 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8910 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8911 vect_analyze_data_refs): Use VEC instead of VARRAY.
8912 * lambda.h (lambda_transform_legal_p): ...from here.
8913 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8914 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8915 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8916 tree-chrec.o): Don't depend on VARRAY_H.
8918 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8920 * rtl.def (Copyright): Update date.
8921 (DEPS_LIST): Change type of the second operand to 'int'.
8922 * target.h (Copyright): Update date.
8923 (struct gcc_target.speculate_insn): Change type of the second parameter
8925 * lists.c (Copyright): Update date.
8926 (alloc_DEPS_LIST): Change signature. Update reference to the second
8927 operand of the DEPS_LIST.
8928 (copy_DEPS_LIST_list): Update reference to the second operand of the
8930 * rtl.h (Copyright): Update date.
8931 (alloc_DEPS_LIST): Update signature.
8932 * sched-int.h (Copyright): Update date.
8933 (ds_t): Change typedef to 'int'.
8934 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8936 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8938 * haifa-sched.c (Copyright): Update date.
8939 (try_ready): Change condition to restore non-speculative pattern
8941 (process_insn_depend_be_in_spec): Code to keep probability of the
8942 speculative dependence non-decreasing.
8944 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8946 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8947 shut up the compiler.
8949 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8951 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8952 to use lib prefix for target.
8953 ($(T)libic_invalidate_array_4-200.a): Likewise.
8954 ($(T)libic_invalidate_array_4a.a): Likewise.
8956 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8957 J"orn Rennecke <joern.rennecke@st.com>
8959 * superh.opt: New file.
8960 * sh.c (boardtype, osruntime): Remove.
8961 * superh.h (SUBTARGET_OPTIONS): Remove.
8962 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8964 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8965 arguments with ^ and/or [].
8967 * config.gcc (sh-*-*): Add quoting to account for quirk of
8969 Replace == with = in enable_incomplete_targets test.
8971 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8972 with MASK_LITTLE_ENDIAN.
8974 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8975 * config/sh/sh.opt: Added to some comments.
8976 * config/sh/superh.h: Removed some chaff.
8978 * config/sh/sh.opt: Add m4-[1234]00* options.
8979 * config/sh/sh.c (sh_handle_option): Likewise.
8980 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8981 (ic_invalidate_array_4-100.o): New rule.
8982 ($(T)libic_invalidate_array_4-100.a): Likewise.
8983 (ic_invalidate_array_4-200.o): Likewise.
8984 ($(T)libic_invalidate_array_4-200.a): Likewise.
8985 (ic_invalidate_array_4a.o): Likewise.
8986 ($(T)libic_invalidate_array_4a.a): Likewise.
8987 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8988 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8990 * config/sh/crt1.asm: Merged in profiling code.
8991 * config/sh/superh.h (STARTFILE_SPEC): Override.
8992 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8993 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8994 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8996 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8997 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8998 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9000 * sh.opt (mpretend-cmove): New option.
9001 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9002 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9003 (movsicc): Add TARGET_PRETEND_CMOVE code.
9005 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9007 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9008 s390_class_max_nregs): New function prototypes.
9009 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9010 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9011 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9012 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9014 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9016 * dwarf2out.c (add_location_or_const_value_attribute): Call
9017 tree_add_const_value_attribute if nothing else works.
9018 (reference_to_unused): New.
9019 (rtl_for_decl_init): Use reference_to_unused to decide whether
9020 to output an initializer.
9022 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9025 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9026 peephole removing spe frob_di_df_2.
9028 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9030 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9031 (subscript_dependence_tester_1): Declared.
9032 (print_dir_vectors, print_dist_vectors): New.
9033 (debug_data_dependence_relation): New.
9034 (dump_data_dependence_relation): Print more details.
9035 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9036 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9037 (save_dist_v, save_dir_v, add_outer_distances,
9038 build_classic_dist_vector_1): New.
9039 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9040 Don't test for lambda_vector_lexico_pos.
9041 (same_access_functions, add_multivariate_self_dist,
9042 add_other_self_distances, dir_from_dist): New.
9043 (build_classic_dir_vector): Replace implementation almost identical to
9044 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9046 (subscript_dependence_tester_1): New.
9047 (subscript_dependence_tester): Handle the lexicographically negative
9048 distance vectors by recomputing the dependence relation.
9049 (compute_affine_dependence): Remove parameter loop_nest_depth.
9050 (compute_self_dependence): Don't call compute_subscript_distance.
9051 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9052 Add a parameter for the loop_nest.
9053 (find_loop_nest_1, find_loop_nest): New.
9054 (compute_data_dependences_for_loop): Compute the loop nest, and give
9055 up if the nest is not well formed.
9056 * tree-data-ref.h (loop_p): New.
9057 (struct data_dependence_relation): Replace size_vect field with
9058 loop_nest, a vec of loops.
9059 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9060 (DDR_LOOP_NEST): New.
9061 (print_dir_vectors, print_dist_vectors,
9062 debug_data_dependence_relation): Declared.
9063 (index_in_loop_nest): New.
9064 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9065 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9068 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9070 * simplify-rtx.c (simplify_relational_operation): Call
9071 simplify_relational_operation_1 even if mode is VOIDmode.
9073 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9075 PR tree-optimization/26804
9076 * tree.h (DECL_CALL_CLOBBERED): New macro.
9077 (tree_decl_common): Add call_clobbered_flag.
9078 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9079 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9080 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9081 (mark_non_addressable): Ditto.
9082 * tree-ssa.c (verify_call_clobbered): New function.
9083 (verify_alias_info): Use it.
9084 * tree-pass.h (pass_reset_cc_flags): New prototype.
9085 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9086 (reset_cc_flags): New function.
9087 * passes.c (init_optimization_passes): Call reset_cc_flags after
9088 initializing referenced_vars.
9090 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9091 Roger Sayle <roger@eyesopen.com>
9094 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9095 to 1.0 for non-real operands. Implement A / A optimization for
9098 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9100 * config/i386/i386.c (size_cost): Correct the comment for
9101 cost of storing fp registers.
9102 (i386_cost): Likewise.
9103 (i486_cost): Likewise.
9104 (pentium_cost): Likewise.
9105 (pentiumpro_cost): Likewise.
9106 (k6_cost): Likewise.
9107 (athlon_cost): Likewise.
9108 (k8_cost): Likewise.
9109 (pentium4_cost): Likewise.
9110 (nocona_cost): Likewise.
9111 (generic64_cost): Likewise.
9112 (generic32_cost): Likewise.
9114 2006-03-24 Denis Chertykov <denisc@overta.ru>
9116 * config/avr/avr-protos.h (extra_constraint): Delete.
9117 (extra_constraint_Q): New declaration.
9118 * config/avr/constraints.md: New file.
9119 * config/avr/avr.md: Include it.
9120 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9121 (TMP_REGNO, ZERO_REGNO): Likewise.
9122 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9123 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9124 (extra_constraint): Delete.
9125 (extra_constraint_Q): Test for memory constraint 'Q'.
9126 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9127 (REG_CLASS_FROM_LETTER): Delete.
9128 (CONST_OK_FOR_LETTER_P): Delete.
9129 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9130 (EXTRA_CONSTRAINT): Delete.
9131 (TMP_REGNO): Delete.
9132 (ZERO_REGNO): Delete.
9134 2006-03-24 Jeff Law <law@redhat.com>
9136 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9137 directly. Call mark_new_vars_to_rename slightly earlier.
9139 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9141 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9143 (gen_compile_unit_die): Use new language types for Objective-C and
9145 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9146 DW_LANG_C_plus_plus.
9149 * config/t-darwin (crt3.o): Work around bug 26840.
9150 * config/darwin-crt3.c: Rewrite.
9151 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9153 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9155 * doc/invoke.texi: Document -femit-class-debug-always
9156 * common.opt: Add -femit-class-debug-always.
9158 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9160 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9161 index and base register.
9162 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9163 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9164 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9165 REGNO_OK_FOR_INDEX_P.
9166 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9168 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9169 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9170 REG_OK_FOR_BASE_P): Definitions removed.
9172 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9175 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9176 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9177 set yet or weren't marked as local yet.
9179 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9181 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9184 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9186 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9187 (rs6000_legitimate_small_data_p): Delete.
9188 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9189 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9190 and make static. Add forward declaration. Update uses.
9191 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9192 of offsettable_memref_p.
9193 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9194 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9196 2006-03-24 Jeff Law <law@redhat.com>
9198 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9199 around bug in immediate-use iterator.
9201 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9204 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9205 or __LITTLE_ENDIAN__.
9207 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9209 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9210 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9211 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9212 * config/sh/sh.opt (mdiv=): Amend description.
9213 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9214 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9215 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9216 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9217 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9218 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9219 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9220 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9221 TARGET_DIVIDE_CALL_FP.
9223 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9225 * haifa-sched.c (choose_ready): Fix type of the local variable.
9226 Move local variables. Add comment.
9227 (check_reg_live): Change signature. Make callable from debugger.
9228 * sched-int.h (check_reg_live): Update signature.
9229 * sched-ebb.c (check_reg_live): Update parameters.
9230 * sched-rgn.c (check_reg_live): Ditto.
9231 (region_head_or_leaf_p): Check pointer before dereferencing.
9232 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9233 before reload on optimization levels below 1.
9235 2006-03-23 Richard Henderson <rth@redhat.com>
9237 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9241 * config/alpha/predicates.md (local_symbolic_operand): Reject
9244 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9247 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9248 expressions which have overflowed constants.
9250 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9252 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9254 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9256 * cfgloopmanip.c (create_loop_notes): Removed.
9257 * final.c (final_scan_insn): Do not handle loop notes.
9258 * jump.c (squeeze_notes): Ditto.
9259 * cfglayout.c (skip_insns_after_block,
9260 duplicate_insn_chain): Ditto.
9261 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9263 * cfgloop.h (create_loop_notes): Declaration removed.
9265 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9267 * varasm.c (output_constant_pool): Restore fnname and fndecl
9269 (assemble_start_function): Adjust call accordingly.
9270 (assemble_end_function): Likewise.
9272 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9275 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9278 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9280 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9283 * system.h (ICE_EXIT_CODE): New macro.
9284 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9285 (diagnostic_action_after_output): Likewise.
9286 * gcc.c (fatal_ice): New function.
9287 (execute): Use it instead of fatal.
9288 (fancy_abort): Likewise.
9289 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9291 2006-03-22 Jeff Law <law@redhat.com>
9293 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9294 iv_analyze_result returning false.
9296 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9298 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9300 2006-03-22 Richard Henderson <rth@redhat.com>
9303 * except.c (duplicate_eh_regions_0): New.
9304 (duplicate_eh_region_1): Duplicate the children of the node as
9305 well as the node itself. Link them up properly.
9306 (duplicate_eh_region_2): Merge into ...
9307 (duplicate_eh_regions): ... here. Take copy_region argument, and
9308 copy only a sub-tree if asked. Simplify copying and fixup.
9309 (eh_region_outer_p): New.
9310 * except.h (duplicate_eh_regions): Update decl.
9311 (eh_region_outer_p): Declare.
9312 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9313 (lower_omp_master): Likewise.
9314 (lower_omp_ordered): Likewise.
9315 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9316 (move_stmt_r): Use it to remap labels. Handle recursion vs
9317 remap_decls_p properly.
9318 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9319 (find_outermost_region_in_block): New.
9320 (new_label_mapper): New.
9321 (move_sese_region_to_fn): Copy eh information to the new function
9323 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9325 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9328 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9330 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9331 into shared libraries.
9333 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9335 * doc/md.texi: Refer to i386/constraints.md instead of
9337 * config/i386/constraints.md: New file, extracted from...
9338 * config/i386/predicates.md: ...here.
9339 * config/i386/i386.md: Include constraints.md.
9341 2006-03-21 Jason Merrill <jason@redhat.com>
9343 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9346 * expr.c (init_block_move_fn): Force default visibility.
9347 (init_block_clear_fn): Likewise.
9348 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9349 * targhooks.c (default_external_stack_protect_fail): Likewise.
9351 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9353 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9354 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9355 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9356 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9357 (loadgp): Use mips_current_loadgp_style.
9358 (loadgp_noshared): New pattern.
9359 (sibcall_internal): Use MIPS_CALL.
9360 (sibcall_value_internal): Likewise.
9361 (sibcall_value_multiple_internal): Likewise.
9362 (call_internal): Likewise.
9363 (call_value_internal): Likewise.
9364 (call_value_multiple_internal): Likewise.
9365 (call_split): Use MIPS_CALL and add an 'S' constraint.
9366 (call_value_split): Likewise.
9367 (call_value_multiple_split): Likewise.
9368 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9369 (-mshared): New option.
9370 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9371 (mips_current_loadgp_style): Declare.
9372 * config/mips/mips.c (mips_classify_symbol): Avoid using
9373 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9374 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9375 TARGET_ABSOLUTE_ABICALLS.
9376 (override_options): Adjust comments. Improve the warning that is
9377 issued when -mabicalls and -G are used together.
9378 (mips_file_start): Remove comment.
9379 (mips_current_loadgp_style): New function.
9380 (mips_gnu_local_gp): New variable.
9381 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9383 (mips_output_function_prologue): Use mips_current_laodgp_style.
9384 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9385 the cprestore instruction.
9386 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9387 live for TARGET_ABSOLUTE_ABICALLS.
9388 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9389 (ASM_SPEC): Pass down -mshared and -mno-shared.
9390 (MIPS_CALL): New macro.
9391 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9393 * doc/invoke.texi (-mabicalls): Update documentation.
9394 (-mshared): Document.
9396 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9398 * config/ia64/unwind-hpux.c: New file.
9399 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9401 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9404 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9406 2006-03-21 Jeff Law <law@redhat.com>
9408 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9409 type conversions of a VR_VARYING source to a wider type.
9411 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9413 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9414 tm_file on Solaris 10 and later.
9415 (sparc64-*-solaris2*): Likewise.
9416 (sparc-*-solaris2*): Likewise.
9417 * config/sol26.h: Rename to config/sol2-6.h.
9418 * config/sol2-10.h: New file.
9420 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9423 * tree-ssa-pre.c (create_component_ref_by_pieces):
9426 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9429 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9430 return it immediately.
9432 2006-03-21 Michael Matz <matz@suse.de>
9434 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9436 (remove_arc, add_arc): Update num_out_arcs member.
9437 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9439 (cache_presence): New function.
9440 (compare_states_for_equiv): New function.
9441 (state_is_differed): Don't take number of outargs, adjust callers.
9442 Use new invariant for speeding up.
9443 (init_equiv_class): Create initial classes based on sorted
9445 (partition_equiv_class): Don't track out_arcs_num.
9446 (evaluate_equiv_classes): Call cache_presence on all states and
9449 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9451 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9452 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9453 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9454 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9456 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9457 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9458 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9459 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9460 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9462 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9463 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9464 (REGNO_REG_CLASS): ARGP is in PREGS.
9465 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9467 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9468 to deal with those addresses.
9469 * addresses.h: New file.
9470 * caller-save.c: Include "addresses.h".
9471 (init_caller_save): Use new base_reg_class function.
9472 * rtl-factoring.c: Include "addresses.h".
9473 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9474 * recog.c: Include "addresses.h".
9475 (preprocess_constraints): Use new base_reg_class function.
9476 * regrename.c: Include "addresses.h".
9477 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9478 functions. Keep track of a new var INDEX_CODE to compute valid
9480 (replace_oldest_value_addr): Likewise.
9481 (replace_oldest_value_mem): Use base_reg_class.
9482 * reload.c: Include "addresses.h".
9483 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9484 (find_reloads): Use new base_reg_class function.
9485 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9486 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9487 all callers and prototype changed.
9488 * reload1.c: Include "addresses.h".
9489 (maybe_fix_stack_asms): Use base_reg_class.
9490 * regclass.c: Include "addresses.h".
9491 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9492 (init_reg_autoinc): Use new base_reg_class function.
9493 (record_reg_classes): Likewise.
9494 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9495 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9496 Use new args to compute necessary class.
9498 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9499 regrename.o, rtl-factoring.o): Update dependencies.
9500 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9501 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9502 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9503 REG_OK_FOR_INDEX_P): Delete documentation.
9505 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9507 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9508 from V7 to V9 for Solaris 7 and above.
9510 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9512 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9513 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9514 argument pointers may not alias any other storage.
9515 * common.opt: Define option -fargument-noalias-anything.
9516 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9517 alias semantics is specified by flag_argument_noalias > 2.
9519 2006-03-20 Jeff Law <law@redhat.com>
9521 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9522 (pass_phi_only_cprop): Declare.
9523 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9525 * tree-ssa-dom.c (degenerate_phi_result): New function.
9526 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9527 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9528 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9529 (eliminate_degenerate_phis): Likewise.
9530 (pass_phi_only_cprop): New pass descriptor.
9531 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9532 support code. Callers updated.
9533 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9534 (store_copy_prop): Likewise.
9535 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9537 2006-03-20 Jason Merrill <jason@redhat.com>
9540 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9541 (push_visibility, pop_visibility): Likewise.
9542 * c-pragma.h: Declare them.
9544 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9546 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9548 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9549 parameter and use get_ebb_head_tail.
9550 (sh_md_init_global): Adjust uses of find_regmode_weight.
9552 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9554 * function.h (struct function) <x_tail_recursion_reentry>:
9555 Rename to x_stack_check_probe_note.
9556 (tail_recursion_reentry): Rename to stack_check_probe_note.
9557 * function.c: Replace tail_recursion_reentry with
9558 stack_check_probe_note everywhere.
9559 (expand_function_start): Only emit a note for
9560 stack_check_probe_note with -fstack-protect.
9561 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9563 * emit-rtl.c (remove_unnecessary_notes): Remove.
9564 (pass_remove_unnecessary_notes): Remove.
9565 * rtl.h (remove_unnecessary_notes): Remove prototype.
9566 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9567 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9568 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9570 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9573 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9574 (valid_in_set): Handle ARRAY_REF.
9575 Change "if min_variant or VH" to asserts.
9576 (create_component_ref_by_pieces): Handle ARRAY_REF.
9577 (create_expression_by_pieces): Likewise.
9578 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9580 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9582 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9583 is operand of switch, not str[0].
9585 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9587 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9588 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9590 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9592 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9593 end of insn_extra_address_constraint declaration.
9595 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9597 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9598 (no-sum-in-toc): Same.
9599 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9601 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9602 NO_FP_IN_TOC for -fPIC instead of mask.
9604 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9605 (BOOT_LDFLAGS): Delete.
9607 * config/rs6000/t-aix52: Same.
9609 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9610 (stmsi[345678]_power): New.
9612 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9614 * config/ia64/ia64.opt: Add empty line to end of file.
9616 2006-03-17 Richard Guenther <rguenther@suse.de>
9619 * builtins.c (get_pointer_alignment): For component style references
9620 adjust alignment to the component type alignment. Make sure
9621 to adjust alignment for component access of constants.
9623 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9625 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9628 2006-03-17 Paul Brook <paul@codesourcery.com>
9630 * doc/install.texi: Docuemnt --with-mode.
9631 * config.gcc: Add --with-mode for arm*-*-*.
9632 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9634 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9636 * sh.c (max_labelno_before_reorg): New variable.
9637 (sh_reorg): Initialize it.
9638 (find_barrier): Check max_labelno_before_reorg before using
9639 label_to_alignment. Take length of explicit alignment insns
9640 into account. When seeing a UNSPECV_CONST_END, return it.
9642 * sh.c (fixup_mova): Set mode of affected label to QImode.
9643 (untangle_mova): New function.
9644 (find_barrier): Use it. Check mode of label before decrementing
9646 (sh_reorg): Likewise.
9647 Set mode of all insns back to VOIDmode.
9649 * sh.c (MOVA_LABELREF): New macro.
9650 (mova_p, fixup_mova, sh_reorg): Use it.
9651 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9652 ADDR_DIFF_VEC matches mova.
9654 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9656 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9657 with ATTRIBUTE_UNUSED.
9659 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9661 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9662 pointer, instead of assuming it is possible to derive the
9663 correct args size from a call insn.
9665 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9667 * rtl.h (CONST_INT_P): Define.
9668 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9669 instead of GET_CODE(x) == CONST_INT.
9670 (vax_rtx_costs): Likewise.
9671 (vax_output_int_move): Likewise.
9672 (vax_output_int_add): Likewise.
9673 (legitimate_constant_address_p): Likewise.
9674 (index_term_p): Likewise.
9675 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9676 * config/vax/vax.md (and<mode>3): Likewise.
9677 (ashrsi3): Likewise.
9679 (movstricthi): Likewise.
9680 (movstrictqi): Likewise.
9681 (rotrsi3): Likewise.
9682 (five unnamed insns): Likewise.
9684 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9686 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9687 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9688 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9689 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9690 Pass to ASM_OUTPUT_DWARF_OFFSET.
9691 * dwarf2out.c (debug_frame_section): New.
9692 (output_call_frame_info): Use debug_frame_section. Pass it to
9693 dw2_asm_output_offset.
9694 (output_die): Pass appropriate section to dw2_asm_output_offset.
9695 (output_compilation_unit_header): Likewise.
9696 (output_pubnames): Likewise.
9697 (output_aranges): Likewise.
9698 (enum dw_val_class): Break dw_val_class_lbl_offset into
9699 dw_val_class_lineptr and dw_val_class_macptr.
9700 (add_AT_lbl_offset): Delete.
9701 (add_AT_lineptr): New.
9702 (add_AT_macptr): New.
9703 (AT_lbl): Expect a lineptr or macptr.
9704 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9705 (attr_checksum): Likewise.
9706 (same_dw_val_p): Likewise.
9707 (size_of_die): Likewise.
9708 (value_format): Likewise.
9709 (output_die): Likewise.
9710 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9712 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9713 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9714 * config/darwin-protos.h (darwin_file_start): New.
9715 (darwin_asm_output_dwarf_offset): New.
9716 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9717 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9719 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9720 if not EH section; simplify.
9721 (darwin_file_start): New.
9722 (darwin_asm_output_dwarf_offset): New.
9723 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9725 (DEBUG_INFO_SECTION): Likewise.
9726 (DEBUG_ABBREV_SECTION): Likewise.
9727 (DEBUG_ARANGES_SECTION): Likewise.
9728 (DEBUG_MACINFO_SECTION): Likewise.
9729 (DEBUG_LINE_SECTION): Likewise.
9730 (DEBUG_LOC_SECTION): Likewise.
9731 (DEBUG_PUBNAMES_SECTION): Likewise.
9732 (DEBUG_STR_SECTION): Likewise.
9733 (DEBUG_RANGES_SECTION): Likewise.
9734 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9735 (ASM_OUTPUT_DWARF_OFFSET): New.
9737 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9739 * config.gcc (tm_defines): Always add to previous value rather
9742 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9744 * config/mips/predicates.md (splittable_const_int_operand): New,
9745 split from move_operand.
9746 (splittable_symbolic_operand): New.
9747 (move_operand): Add commentary. Use splittable_const_int_operand.
9748 Inline mips_atomic_symbolic_constant_p.
9749 * config/mips/mips.md: Add combine splitters for handling moves
9750 of splittable_const_int_operands and splittable_symbolic_operands.
9751 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9752 (mips_split_symbol): Declare.
9753 (mips_move_integer): Declare.
9754 * config/mips/mips.c (mips_split_p): Make global.
9755 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9756 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9757 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9758 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9759 (mips_offset_within_object_p): Handle block symbols.
9760 (mips_atomic_symbolic_constant_p): Delete.
9761 (mips_cannot_force_const_mem): Return false for constants that
9762 mips_legitimize_move can handle.
9763 (mips_use_blocks_for_constant_p): New function.
9764 (mips_split_symbol): Make global.
9765 (mips_move_integer): Likewise. Add a temporary register argument.
9766 (mips_legitimize_const_move): Use splittable_const_int_operand and
9767 splittable_symbolic_operand.
9768 (mips_use_anchors_for_symbol_p): New function.
9769 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9770 (mips_split_p): Declare.
9772 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9774 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9775 (mips*-*-linux*): Likewise.
9777 2006-03-16 Roger Sayle <roger@eyesopen.com>
9778 Daniel Speyer <dspeyer@wam.umd.edu>
9781 * tree-dump.c (dump_real): New function.
9782 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9783 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9784 (tree-dump.o): Add $(REAL_H) to the dependencies.
9786 2006-03-16 Roger Sayle <roger@eyesopen.com>
9789 * real.c (real_from_string): If the mantissa is zero, don't bother
9790 parsing the exponent as the result should always be zero.
9792 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9794 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9796 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9798 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9799 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9800 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9801 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9802 ia64_sched_finish_global): New static functions to implement
9803 hooks from gcc_target.sched.
9804 (spec_check_no, max_uid, pending_data_specs): New static variables.
9805 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9806 ia64_spec_check_src_p): New static functions.
9807 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9808 (TARGET_SCHED_ADJUST_COST): Removed.
9809 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9810 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9811 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9812 TARGET_SCHED_GEN_CHECK,
9813 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9814 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9815 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9816 Fixed to handle speculation checks.
9817 (rtx_needs_barrier): Fixed to handle speculative loads and
9819 (ia64_variable_issue): Added code to count speculative loads and their
9821 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9823 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9825 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9827 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9828 (ia64_reorg): Reset stops_p to NULL after it is freed.
9829 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9830 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9831 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9833 (data_speculative, control_speculative, check_load): New attributes.
9834 (mov<mode>_advanced, mov<mode>_speculative,
9835 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9836 zero_extend<mode>di2_speculative,
9837 zero_extend<mode>di2_speculative_advanced): New patterns for
9838 data and control speculative loads.
9839 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9841 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9842 New pattern for data and control speculation checks.
9843 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9844 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9845 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9846 Auxiliary definitions for the patterns.
9847 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9848 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9850 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9852 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9853 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9854 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9855 New resource constraints.
9856 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9858 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9859 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9860 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9861 msched-in-control-spec, msched-ldc, msched-control-ldc,
9862 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9863 msched-prefer-non-control-spec-insns,
9864 msched-count-spec-in-critical-path): New flags to tune speculative
9866 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9867 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9868 msched-in-control-spec, msched-ldc, msched-control-ldc,
9869 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9870 msched-prefer-non-control-spec-insns,
9871 msched-count-spec-in-critical-path): Document new flags.
9873 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9875 * target.h (struct spec_info_def): New opaque declaration.
9876 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9877 speculate_insn, needs_block_p, gen_check,
9878 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9879 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9880 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9881 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9882 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9883 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9885 (TARGET_SCHED): Use new macros.
9886 * rtl.h (copy_DEPS_LIST_list): New prototype.
9887 * sched-int.h (struct sched_info): Change signature of new_ready field,
9888 adjust all initializations. New fields: add_remove_insn,
9889 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9890 region_head_or_leaf_p.
9891 (struct spec_info_def): New structure declaration.
9892 (spec_info_t): New typedef.
9893 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9894 recovery_block, orig_pat.
9895 (glat_start, glat_end): New variables declaraions.
9896 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9898 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9899 DETACH_LIFE_INFO, USE_GLAT.
9900 (enum SPEC_SCHED_FLAGS): New enumeration.
9901 (NOTE_NOTE_BB_P): New macro.
9902 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9903 attach_life_info, debug_spec_status, check_reg_live): New functions.
9904 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9905 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9907 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9908 * ddg.c (get_block_head_tail): Adjust all uses.
9909 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9910 (sms_sched_info): Initialize new fields.
9911 (contributes_to_priority): Removed.
9912 * haifa-sched.c (params.h): New include.
9913 (get_block_head_tail): Adjust all uses.
9914 (ISSUE_POINTS): New macro.
9915 (glat_start, glat_end): New global variables.
9916 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9917 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9918 old_last_basic_block, before_recovery, current_sched_info_var,
9919 rgn_n_insns, luid): New static variables.
9920 (insn_cost1): New function. Move logic from insn_cost to here.
9921 (find_insn_reg_weight1): New function. Move logic from
9922 find_insn_reg_weight to here.
9923 (reemit_notes, move_insn, max_issue): Change signature.
9924 (move_insn1): Removed.
9925 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9926 extend_bb): New static functions to support extension of scheduler's
9928 (generate_recovery_code, process_insn_depend_be_in_spec,
9929 begin_speculative_block, add_to_speculative_block,
9930 init_before_recovery, create_recovery_block, create_check_block_twin,
9931 fix_recovery_deps): New static functions to support
9932 generation of recovery code.
9933 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9934 restore_bb_notes, move_block_after_check, move_succs): New static
9935 functions to support ebb scheduling.
9936 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9937 functions to support handling of register live information.
9938 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9939 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9940 add_jump_dependencies): New static functions.
9941 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9942 consistancy checking.
9943 (debug_spec_status): New function to call from debugger.
9944 (priority): Added code to handle speculation checks.
9945 (rank_for_schedule): Added code to distinguish speculative instructions.
9946 (schedule_insn): Added code to handle speculation checks.
9947 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9948 Fixed to handle ebbs.
9949 (move_insn): Added code to handle ebb scheduling.
9950 (max_issue): Added code to use ISSUE_POINTS of instructions.
9951 (choose_ready): Added code to choose between speculative and
9952 non-speculative instructions.
9953 (schedule_block): Added code to handle ebb scheduling and scheduling of
9954 speculative instructions.
9955 (sched_init): Initialize new variables.
9956 (sched_finish): Free new variables. Print statistics.
9957 (try_ready): Added code to handle speculative instructions.
9958 * lists.c (copy_DEPS_LIST_list): New function.
9959 * sched-deps.c (extend_dependency_caches): New function. Move logic
9960 from create_dependency_caches to here.
9961 (get_dep_weak, ds_merge): Make global.
9962 * genattr.c (main): Code to output prototype for
9963 dfa_clear_single_insn_cache.
9964 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9965 (output_dfa_clean_insn_cache_func): Code to output
9966 dfa_clear_single_insn_cache function.
9967 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9969 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9971 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9972 New static variables.
9973 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9974 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9976 (ebb_sched_info): Initialize new fields.
9977 (get_block_head_tail): Adjust all uses.
9978 (compute_jump_reg_dependencies): Fixed to use glat_start.
9979 (schedule_ebb): Code to remove unreachable last block.
9980 (schedule_ebbs): Added code to update register live information.
9981 * sched-rgn.c (region_sched_info): Initialize new fields.
9982 (get_block_head_tail): Adjust all uses.
9983 (last_was_jump): Removed. Adjust users.
9984 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9985 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9986 Implement new hooks.
9987 (check_dead_notes1): New static function.
9988 (struct region): New fields: dont_calc_deps, has_real_ebb.
9989 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9990 (BB_TO_BLOCK): Fixed to handle EBBs.
9991 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9992 (ebb_head): New static variable.
9993 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9994 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9996 (compute_dom_prob_ps): New assertion.
9997 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9998 global_live_at_start.
9999 (init_ready_list): New assertions.
10000 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10001 (new_ready): Add support for BEGIN_CONTROL speculation.
10002 (schedule_insns): Fixed code that updates register live information
10004 (schedule_region): Fixed to handle EBBs.
10005 (init_regions): Use extend_regions and check_dead_notes1.
10006 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10007 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10008 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10009 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10010 TARGET_SCHED_GEN_CHECK,
10011 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10012 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10013 * doc/invoke.texi (max-sched-insn-conflict-delay,
10014 sched-spec-prob-cutoff): Document.
10016 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10018 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10019 inter_tick, queue_index.
10020 (struct sched_info): Change signature of init_ready_list field.
10021 Adjust all initializations.
10022 (RESOLVED_DEPS): New access macro.
10023 (ready_add): Remove prototype.
10024 (try_ready): Add prototype.
10025 * sched-rgn.c (init_ready_list): Use try_ready.
10026 (schedule_region): Initialize
10027 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10028 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10029 (init_ready_list): Use try_ready.
10030 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10031 * lists.c (remove_list_elem): Remove `static'.
10032 (remove_free_INSN_LIST_elem): New function.
10033 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10034 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10035 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10037 (readyp): New variable.
10038 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10039 change_queue_index, resolve_dep): New static functions.
10040 (try_ready): New function. Adjust callers in sched-rgn.c and
10041 sched-ebb.c to use it instead of ready_add.
10042 (clock_var): Move at the begining of file.
10043 (rank_for_schedule): Fix typo.
10044 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10045 (ready_lastpos): Enforce assertion.
10046 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10047 update all callers.
10048 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10049 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10050 (queue_to_ready): Use free_INSN_LIST_list.
10051 (early_queue_to_ready): Fix typo.
10052 (schedule_block): Init readyp. Move init_ready_list call after the
10053 initialization of clock_var. Fix error in rejecting insn by
10054 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10055 that previously corrected INSN_TICKs. Add code for handling
10057 (set_priorities): Fix typo.
10058 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10059 Clarify comment and code that keeps current_sched_info->next_tail
10062 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10064 * sched-rgn.c (extend_rgns): New static function.
10065 (find_rgns): Use it.
10066 (gather_region_statistics, print_region_statistics): New static
10068 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10069 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10071 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10072 Andrey Belevantsev <abel@ispras.ru>
10074 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10075 * lists.c (unused_deps_list): New variable.
10076 (free_list): Add assertions to verify the proper distinguishing
10077 between INSN_LISTs and DEPS_LISTs.
10078 (find_list_elem, remove_list_elem, remove_list_node): New static
10080 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10081 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10082 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10083 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10085 (free_INSN_LIST_node): Likewise.
10086 * modulo-sched.c (current_sched_info): Initialize flags field.
10087 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10088 * rtl.def (DEPS_LIST): Define.
10089 * rtl.h: Declare new functions from lists.c.
10090 * sched-deps.c (spec_dependency_cache): New static variable.
10091 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10092 (add_dependence): Change return type to void. Move the logic to ...
10093 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10094 (delete_all_dependences): Add comment about forward_dependency_cache.
10095 Handle spec_dependency_cache. Handle DEPS_LISTs.
10096 (fixup_sched_groups): Clarify the change of priority of output
10097 and anti dependencies.
10098 (sched_analyze_2): Adjust add_dependence calls to create data
10099 speculative dependence.
10100 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10101 Adjust all callers. Handle DEPS_LISTS.
10102 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10103 presence of speculation.
10104 (init_dependency_caches, free_dependency_caches):
10105 Handle spec_dependency_cache.
10106 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10107 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10108 New static functions.
10109 (add_or_update_back_dep, add_or_update_back_forw_dep,
10110 add_back_forw_dep, delete_back_forw_dep): New functions.
10111 * sched-int.h (ds_t, dw_t): New typedefs.
10112 (struct sched_info): Add new field flags.
10113 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10114 Prototype new sched-deps.c functions.
10115 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10116 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10117 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10118 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10119 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10120 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10122 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10124 * sched-rgn.c (current_sched_info): Initialize flags field.
10125 (schedule_insns): Initialize current_sched_info before the sched_init
10127 * sched-ebb.c (current_sched_info): Initialize flags field.
10128 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10129 Call add_or_update_back_dep instead of add_dependence.
10130 Create control speculative dependencies.
10131 (schedule_insns): Initialize current_sched_info before the sched_init
10134 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10136 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10138 (sh_fallback_frame_state): Likewise.
10140 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10142 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10143 Do switch on default_use_cxa_atexit.
10144 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10145 * config/darwin-crt3.o: New.
10146 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10147 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10148 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10150 * config/rs6000/t-darwin: Move crt2.o building to here.
10151 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10152 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10155 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10157 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10158 from '! xxx' to '!xxx' for coding-style conformance.
10159 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10160 (EXTRA_CONSTRAINT): Likewise.
10161 * config/vax/vax.md (four unnamed insns): Likewise.
10163 2006-03-15 Paul Brook <paul@codesourcery.com>
10165 * config/arm/arm.c (minipool_pad): New.
10166 (add_minipool_forward_ref): Include pool alignment padding in address
10168 (push_minipool_fix): Set minipool_pad.
10169 (minipool_pad): Ditto.
10171 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10173 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10174 instead of GET_CODE() == MEM and REG_P() instead of
10176 (print_operand_address): Likewise.
10177 (vax_address_cost): Likewise.
10178 (vax_rtx_costs): Likewise.
10179 (vax_notice_update_cc): Likewise.
10180 (vax_output_int_add): Likewise.
10181 (INDEX_REGISTER_P): Likewise.
10182 (BASE_REGISTER_P): Likewise.
10183 (nonindexed_address_p): Likewise.
10184 (vax_mode_dependent_address_p): Likewise.
10185 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10186 (PRINT_OPERAND): Likewise.
10187 * config/vax/vax.md (ashlsi3): Likewise.
10188 (ashlsi3): Likewise.
10189 (some more unnamed insns): Likewise.
10191 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10193 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10194 iterator-style macro.
10195 (mark_control_dependent_edges_necessary): Update the use of
10196 EXECUTE_IF_CONTROL_DEPENDENT.
10198 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10200 * config/sh/predicates.md (cache_address_operand): Special.
10201 (ua_address_operand): Likewise.
10203 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10205 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10207 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10209 2006-03-15 Andreas Schwab <schwab@suse.de>
10211 * gensupport.c (identify_predicable_attribute): Don't free p_false
10212 when it is still in use.
10214 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10216 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10217 the default setting here.
10219 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10221 * tree-pass.h (pass_cfg): Remove.
10222 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10223 * passes.c (pass_cfg): Don't run it.
10225 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10227 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10228 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10230 (stack_regs_mentioned): Update the uses of
10231 stack_regs_mentioned_data. Don't access the array beyond its
10233 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10234 Don't include gt-reg-stack.h.
10236 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10237 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10239 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10241 PR middle-end/26684
10242 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10245 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10247 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10249 2006-03-14 Richard Guenther <rguenther@suse.de>
10251 PR tree-optimization/26672
10252 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10255 2006-03-14 Richard Guenther <rguenther@suse.de>
10257 PR tree-optimization/26667
10258 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10259 node for the callees. Always allow inlining if it will shrink
10262 2006-03-14 Richard Guenther <rguenther@suse.de>
10264 PR middle-end/26659
10265 * builtins.c (get_pointer_alignment): Prefer alignment
10266 information from decls over that from types.
10268 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10271 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10273 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10275 * config/rs6000/rs6000.opt (mdlmzb): New option.
10276 (msched-prolog, msched-epilog): Use Var not Mask.
10277 * doc/invoke.texi (-mdlmzb): Document.
10278 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10280 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10281 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10283 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10285 PR rtl-optimization/25739
10286 * bt-load.c (augment_live_range): Free tos pointer.
10288 * gensupport.c (identify_predicable_attribute): Free
10290 * gcov.c (create_file_names): Free name pointer.
10292 2006-03-13 Roger Sayle <roger@eyesopen.com>
10294 PR middle-end/26557
10295 * stmt.c (emit_case_nodes): Handle the case where the index is a
10296 CONST_INT, where the comparison mode is specified by the index type.
10298 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10300 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10303 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10305 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10306 (*branch_fp_inverted): Likewise.
10308 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10310 PR middle-end/25989
10311 * omp-low.c (expand_omp_for_generic): Mark istart0
10312 and iend0 as addressable.
10314 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10316 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10318 2006-03-13 Jeff Law <law@redhat.com>
10320 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10321 virtual operands are interesting.
10322 (vrp_visit_stmt): Corresponding changes.
10324 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10326 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10328 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10329 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10330 * config/bfin/crti.S: Use it instead of __PIC__.
10331 * config/bfin/crtn.S: Likewise.
10333 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10334 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10336 Lose 'G' modifier for call operand.
10337 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10338 recognize 'G' modifier.
10340 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10342 PR middle-end/18859
10343 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10344 * stmt.c (expand_case): Likewise.
10346 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10348 PR rtl-optimization/26254
10349 * loop-invariant.c (seq_insns_valid_p): New function.
10350 (move_invariant_reg): Only emit new code if it is valid.
10352 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10354 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10356 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10357 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10358 (commit_one_edge_insertion): Do not look for loop notes.
10360 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10362 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10363 flag_test_coverage out of loop.
10365 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10367 * final.c (shorten_branches): Remove outdated comment, and turn
10368 the if branch that guards it to continue.
10370 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10372 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10373 * cfgloop.h (struct loop): Remove unused fields.
10375 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10377 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10378 (-dL, -fdump-rtl-loop2): Update the dump file names
10380 * doc/invoke.texi: Update dump file names.
10382 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10384 * predict.c (estimate_probability): Remove.
10385 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10386 * basic-block.h (estimate_probability): Remove prototype.
10387 * passes.c (finish_optimization_passes): Dump branch prediction or
10388 profiling heuristics to the .profile tree dump.
10389 (init_optimization_passes): Unqueue pass_branch_prob.
10391 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10393 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10395 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10396 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10398 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10400 * function.h (frame_offset_overflow): Declare.
10401 * function.c (frame_offset_overflow): New function.
10402 (assign_stack_local_1): Call it to detect that the offset overflows.
10403 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10405 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10407 * config/sh/sh.c: Include alloc-pool.h.
10408 (label_ref_list_pool): New alloc pool.
10409 (label_ref_list_t): New type for lists of labels.
10410 (struct pool_node): Make wend a label_ref_list_t.
10411 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10413 (dump_table): Likewise.
10414 (sh_reorg): Set up the alloc pool before using add_constant and
10415 dump_table, and destroy it when finishing.
10417 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10419 * config/mips/mips.c: Remove redundant comment.
10421 2006-03-10 Jason Merrill <jason@redhat.com>
10424 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10425 the target was declared 'register'.
10427 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10429 * genpreds.c (write_insn_constraint_len): Change definition of
10430 insn_constraint_len to return size_t to match the declaration.
10432 2006-03-10 DJ Delorie <dj@redhat.com>
10434 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10436 (m32c_expand_insv): Fix test for an AND mask.
10438 2006-03-10 Richard Guenther <rguenther@suse.de>
10440 PR middle-end/26565
10441 * builtins.c (get_pointer_alignment): Handle component
10442 references for field alignment.
10444 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10446 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10447 when building with libgloss.
10448 (sh*elf): Implement --without-fp option.
10449 (sh64-superh-linux*): Don't multilib.
10451 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10453 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10455 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10457 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10458 Set it when one of the replacement functions returned true.
10459 Return TODO_cleanup_cfg if cfgchanged is true.
10460 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10462 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10464 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10465 instead of gen_lowpart.
10467 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10469 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10471 (mips_output_order_conditional_branch): Declare.
10472 * config/mips/mips.h (MIPS_BRANCH): New macro.
10473 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10474 for the comparison. Use gen_condjump.
10475 (mips_output_conditional_branch): Rework interface to take the
10476 asm templates for a direct branch and the inverse of a direct branch.
10477 (mips_output_order_conditional_branch): New function.
10478 (mips_builtin_branch_and_move): New function.
10479 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10480 branch condition. Use gen_single_cc as the condition for
10481 __builtin_mips_upper_* or __builtin_mips_lower_*.
10482 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10483 Use VOIDmode for the branch condition.
10484 * config/mips/predicates.md (order_operator): New predicate.
10485 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10486 (branch_fp): Rename to...
10487 (*branch_fp): ...this. Remove mode from comparison operator.
10488 Use new mips_output_conditional_branch interface.
10489 (branch_fp_inverted): Rename to...
10490 (*branch_fp_inverted): ...this and update as for *branch_fp.
10491 (*branch_zero<mode>): Rename to...
10492 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10493 Use mips_output_order_conditional_branch. Only accept ordered
10495 (*branch_zero<mode>_inverted): Rename to...
10496 (*branch_order<mode>_inverted): ...this and update as for
10497 *branch_order<mode>.
10498 (*branch_equality<mode>): Accept zero as the second operand to
10499 the equality operator. Use the new mips_output_conditional_branch
10501 (*branch_equality<mode>_inverted): Likewise.
10502 (condjump): New expander.
10503 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10505 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10506 (bc1any2t, bc1any2f): Likewise.
10507 (single_cc): New expander.
10508 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10510 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10512 * doc/md.texi: Update documentation of MIPS constraints.
10513 * config/mips/constraints.md: New file.
10514 * config/mips/mips.md: Include it.
10515 * config/mips/mips.c (mips_char_to_class): Delete.
10516 (override_options): Don't initialize mips_char_to_class.
10517 * config/mips/mips.h (mips_char_to_class): Delete.
10518 (REG_CLASS_FROM_LETTER): Delete.
10519 (CONST_OK_FOR_LETTER_P): Delete.
10520 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10521 (EXTRA_CONSTRAINT_Y): Delete.
10522 (EXTRA_CONSTRAINT_STR): Delete.
10523 (CONSTRAINT_LEN): Delete.
10524 (EXTRA_MEMORY_CONSTRAINT): Delete.
10526 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10528 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10529 original fn's eh regions.
10531 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10533 * fold-const.c (build_range_check): Make sure to use a valid type to
10534 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10537 (range_predecessor): New static function.
10538 (range_successor): Likewise.
10539 (merge_ranges): Use them to compute predecessors and successors of
10542 2006-03-09 Roger Sayle <roger@eyesopen.com>
10544 PR middle-end/26561
10545 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10546 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10548 2006-03-08 DJ Delorie <dj@redhat.com>
10550 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10551 (addpsi3): Expand to include memory operands. Remove
10552 reload-specific splits.
10553 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10554 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10555 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10556 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10557 (shift1_qi, shift1_hi, insv): New.
10558 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10559 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10560 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10562 * config/m32c/m32c-protos.h: Update as needed.
10563 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10564 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10565 Fail for unrecognized R* constraints.
10566 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10567 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10568 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10570 (m32c_init_libfuncs): New.
10571 (m32c_legitimate_address_p): Add debug wrapper.
10572 (m32c_rtx_costs): New.
10573 (m32c_address_cost): New.
10574 (conversions): Add 'B' prefix.
10575 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10576 operands, or word regnames for QI operands. 'B' prints bit
10578 (m32c_expand_setmemhi): New.
10579 (m32c_expand_movmemhi): New.
10580 (m32c_expand_movstr): New.
10581 (m32c_expand_cmpstr): New.
10582 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10583 (m32c_expand_neg_mulpsi3): Handle non-ints.
10584 (m32c_cmp_flg_0): New.
10585 (m32c_expand_movcc): New.
10586 (m32c_expand_insv): New.
10587 (m32c_scc_pattern): New.
10588 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10589 a0/a1 out of SIregs.
10590 (STORE_FLAG_VALUE): New.
10591 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10594 * config/m32c/mov.md: Make constraints more liberal.
10595 (zero_extendqihi2): Optimize r0/r1 case.
10596 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10597 * config/m32c/predicates.md (m32c_any_operand): New.
10598 (m32c_nonimmediate_operand): New.
10599 (m32c_hl_operand): New.
10600 (m32c_r3_operand): New.
10603 (memsym_operand): New.
10604 (memimmed_operand): New.
10605 (a_qi_operand): New.
10606 (m32c_eqne_operator): New.
10607 (m32c_1bit8_operand): New.
10608 (m32c_1bit16_operand): New.
10609 (m32c_1mask8_operand): New.
10610 (m32c_1mask16_operand): New.
10611 * config/m32c/blkmov.md: New file.
10612 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10614 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10616 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10617 unsigned to fix signed/unsigned comparison issue in
10618 DWARF2_FRAME_REG_OUT.
10619 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10620 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10622 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10623 of ptr into the ENABLE_CHECKING section.
10625 2006-03-08 Jeff Law <law@redhat.com>
10627 * tree-vrp.c (infer_value_range): Only count pointer uses
10628 and dereferences if -fdelete-null-pointer-checks is enabled.
10630 * tree-vrp.c (find_assert_locations): Infer value ranges for
10631 single use pointers, but do not create ASSERT_EXPRs for them.
10632 When a non-null range is inferred for a pointer, backwards
10633 propagate that range to other equivalent pointers through the
10636 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10639 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10640 language hook targets.
10641 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10642 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10643 if language hook targets were missing.
10645 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10647 * tree-ssa-opfinalize.h: Removed.
10648 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10650 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10651 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10652 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10653 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10654 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10655 finalize_ssa_v_must_def_ops): New.
10657 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10659 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10660 block as parameter.
10662 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10664 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10666 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10667 addresses with offsets; reorganize.
10669 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10670 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10671 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10673 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10676 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10678 2006-03-08 Ben Elliston <bje@au.ibm.com>
10680 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10682 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10685 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10688 2006-03-07 Richard Guenther <rguenther@suse.de>
10690 PR tree-optimization/26587
10691 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10693 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10695 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10697 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10699 * hooks.c (hook_bool_mode_rtx_true): New function.
10700 * hooks.h (hook_bool_mode_rtx_true): Declare.
10701 * toplev.c (compile_file): Call output_shared_constant_pool.
10702 * varasm.c (shared_constant_pool): New variable.
10703 (assemble_start_function, assemble_end_function): Remove arguments
10704 from call to output_constant_pool.
10705 (create_constant_pool): New function, split out from...
10706 (init_varasm_status): ...here.
10707 (force_const_mem): Choose between the shared and per-function constant
10708 pools. Set current_function_uses_const_pool when reusing old entries
10709 as well as when creating new ones.
10710 (mark_constant): Ignore data argument.
10711 (mark_constants): Remove pool argument.
10712 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10713 to decide whether the function uses a constant pool.
10714 (output_constant_pool_contents): New function, split out from...
10715 (output_constant_pool): ...here.
10716 (output_shared_constant_pool): New function.
10717 (init_varasm_once): Initialize shared_constant_pool.
10718 * output.h (output_constant_pool): Delete.
10719 (output_shared_constant_pool): Declare.
10720 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10721 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10723 2006-03-06 Nick Clifton <nickc@redhat.com>
10725 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10726 flag_strength_reduce.
10728 2006-03-06 Ben Elliston <bje@au.ibm.com>
10730 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10731 x86_64-*-linux* configurations.
10733 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10734 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10736 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10738 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10740 * basic-block.h: Remove the extern for
10741 rediscover_loops_after_threading.
10743 * cfgloop.c (cancel_loop): Make it static.
10744 * cfgloop.h: Remove the prototype for cancel_loop.
10746 * flow.c (recompute_reg_usage): Make it static.
10747 * rtl.h: Remove the prototype for recompute_reg_usage.
10749 * function.c (use_return_register): Make it static.
10750 * function.h: Remove the prototype.
10752 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10754 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10756 * recog.h: Remove the prototype for
10757 validate_change_maybe_volatile.
10759 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10761 * rtlanal.c (replace_reg): Remove.
10762 * rtl.h: Remove the prototype for replace_reg.
10764 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10766 * regclass.c (reg_scan_update): Remove.
10767 (reg_scan_mark_refs): Remove the last argument.
10768 * rtl.h: Remove the prototype for reg_scan_update.
10770 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10772 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10773 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10774 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10775 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10776 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10777 loop-invariant.c, omp-low.c, opts.c, passes.c,
10778 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10779 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10780 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10781 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10782 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10783 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10785 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10787 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10788 * dwarf2out.h: Remove the prototype for
10789 dwarf2out_add_library_unit_info.
10791 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10793 * tree.c (add_var_to_bind_expr): Remove.
10794 * tree.h: Remove the prototype for add_var_to_bind_expr.
10796 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10798 * regclass.c (n_non_fixed_regs): Remove.
10799 (init_reg_sets_1, globalize_reg): Remove all uses of
10801 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10803 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10805 * rtlanal.c (insns_safe_to_move_p): Remove.
10806 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10808 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10810 * expmed.c (expand_mult_add): Remove.
10811 * expr.h: Remove the prototype for expand_mult_add.
10813 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10815 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10816 and REG_SAVED_VAL_EXP constants.
10817 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10818 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10819 Handle regs stored by value.
10820 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10821 (execute_cfa_program): Handle DW_CFA_val_offset,
10822 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10823 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10824 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10825 (uw_install_context_1): Handle target regs stored by value.
10827 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10829 * tree-sra.c (tree_sra): Return todoflags;
10830 (generate_one_element): Set TODO_update_smt_usage if needed.
10831 (pass_sra): Remove TODO_update_smt_usage.
10832 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10834 (tree_ssa_forward_propagate_single_use_vars): Return
10835 TODO_update_smt_usage if we need to update SMT usage.
10836 (pass_forwprop): Remove TODO_update_smt_usage.
10838 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10840 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10841 (correct_use_link): Remove reference to get_stmt_operands.
10842 (update_stmt_operands): Likewise.
10843 (get_modify_expr_operands): New function factored out of
10844 parse_ssa_operands and get_expr_operands.
10845 Try to create V_MUST_DEFs for LHS by default.
10846 (get_expr_operands) <case MODIFY_EXPR>: Call
10847 get_modify_expr_operands.
10848 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10849 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10850 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10851 get_modify_expr_operands.
10853 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10855 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10856 * tree-flow.h: Remove the prototype for
10857 referenced_var_lookup_if_exists.
10859 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10861 PR rtl-optimization/26345
10863 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10865 2006-03-03 Roger Sayle <roger@eyesopen.com>
10867 PR tree-optimization/26524
10868 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10869 fold_convert to create a constant of the appropriate type.
10871 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10873 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10874 SYMBOL_REF_IN_BLOCK_P.
10875 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10876 of SYMBOL_FLAG_IN_BLOCK.
10877 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10878 instead of SYMBOL_REF_IN_BLOCK_P.
10879 * explow.c (use_anchored_address): Likewise.
10880 * rtl.c (rtx_size): Likewise.
10881 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10882 instead of SYMBOL_FLAG_IN_BLOCK.
10883 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10884 SYMBOL_REF_IN_BLOCK_P.
10885 (assemble_variable): Likewise.
10886 (output_constant_def_contents): Likewise.
10887 (output_constant_pool): Likewise.
10888 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10889 instead of SYMBOL_FLAG_IN_BLOCK.
10890 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10891 SYMBOL_REF_IN_BLOCK_P.
10892 (SYMBOL_REF_BLOCK): Likewise.
10893 (SYMBOL_REF_OFFSET): Likewise.
10894 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10895 SYMBOL_REF_IN_BLOCK_P.
10896 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10897 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10898 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10899 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10901 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10903 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10905 2006-03-02 Roger Sayle <roger@eyesopen.com>
10907 * simplify-rtx.c (simplify_unary_operation): When simplifying
10908 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10909 that we perform the right shift in the appropriate mode, and
10910 then extend or truncate the result to requested mode.
10912 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10914 * gengtype.c (main): Handle double_int type.
10915 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10916 * double-int.c: New file.
10917 * double-int.h: New file.
10918 * system.h: Include doubleint.h.
10919 * Makefile.in (SYSTEM_H): Include double-int.h.
10920 (double-int.o): Add.
10922 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10925 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10928 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10930 * tree-vrp.c (remove_range_assertions): Do not update statements
10933 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10935 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10937 * gcse.c (rest_of_handle_gcse): Ditto.
10938 * except.c (gate_handle_eh): Ditto.
10939 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10940 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10942 2006-03-02 Eric Christopher <echristo@apple.com>
10944 * config/i386/i386.c (machopic_output_stub): Add indirection to
10947 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10951 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10953 Sun Niagara specific optimizations.
10954 * config.gcc: Recognize niagara as target.
10955 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10956 (TARGET_CPU_niagara): Define.
10957 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10958 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10959 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10960 (ASM_CPU_SPEC): Likewise.
10961 (PROCESSOR_NIAGARA): New enum entry.
10962 (REGISTER_MOVE_COST): Handle Niagara.
10963 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10964 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10965 (sparc_override_options): Recognize "niagara", set appropriate
10966 default MASK_* values for it, and align functions to 32-bytes
10967 by default just like ULTRASPARC/ULTRASPARC3.
10968 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10969 (sparc64_initialize_trampoline): Likewise.
10970 (sparc_use_sched_lookahead): Use zero for niagara.
10971 (sparc_issue_rate): Use one for niagara.
10972 * config/sparc/niagara.md: New file.
10973 * config/sparc/sparc.md: Include it.
10974 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10975 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10976 when default cpu is niagara.
10977 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10978 (ASM_CPU_SPEC): Likewise.
10979 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10980 when default cpu is niagara.
10981 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10982 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10983 just like v9/ultrasparc/ultrasparc3.
10984 * doc/invoke.texi: Add documentation for "niagara" and improve
10985 existing documentation for ultrasparc variants.
10987 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10989 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10991 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10993 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10994 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10995 and say that only one is needed.
10996 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10997 * target.h (have_switchable_bss_sections): New hook.
10998 * explow.c (use_anchored_address): Check that the symbol is in a block.
10999 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11000 (bss_noswitch_section): New variables.
11001 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11002 (get_noswitch_section): New function.
11003 (get_block_for_section): Allow SECT to be null.
11004 (unlikely_text_section_p): Use SECTION_STYLE.
11005 (bss_initializer_p): New function.
11006 (get_variable_section): Move earlier in file. Take a new argument,
11007 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11008 Return one of the new *_sections in such cases.
11009 (get_block_for_decl): New function, extracting some logic from
11010 use_blocks_for_decl_p.
11011 (change_symbol_section): Remove in favor of...
11012 (change_symbol_block): ...this new function.
11013 (use_blocks_for_decl_p): Remove checks now performed by
11014 get_block_for_decl.
11015 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11016 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11017 (emit_local, emit_bss, emit_common): ...these new functions.
11018 Return true if the alignment was honored.
11019 (emit_tls_common): New function.
11020 (asm_emit_uninitialised): Delete.
11021 (assemble_variable_noswitch): New function, split out from...
11022 (assemble_variable): ...here. Don't make decisions about common
11023 variables here. Globalize all public decls that go into non-common
11024 sections. Check whether SYMBOL_REF_BLOCK is null.
11025 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11026 (output_constant_pool): Likewise.
11027 (init_varasm_once): Initialize the new section variables.
11028 (have_global_bss_p): New function.
11029 (categorize_decl_for_section): Use bss_initializer_p.
11030 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11031 (place_block_symbol): Assert that the symbol must be in a block.
11032 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11033 (TARGET_INITIALIZER): Include it.
11034 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11035 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11036 (SECTION_MACH_DEP): Bump by two.
11037 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11038 (unnamed_section): Mention SECTION_UNNAMED in comment.
11039 (named_section): Likewise SECTION_NAMED.
11040 (noswitch_section_callback): New type.
11041 (noswitch_section): New structure.
11042 (section): Add a noswitch_section alternative.
11043 (SECTION_STYLE): New macro.
11044 (tls_comm_section, comm_section, lcomm_section): Declare.
11045 (bss_noswitch_section, have_global_bss_p): Declare.
11046 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11047 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11049 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11050 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11053 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11055 * tree-vrp.c (execute_vrp): Return value.
11056 * regrename.c (rest_of_handle_regrename): Ditto.
11057 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11058 * tree-complex.c (tree_lower_complex): Ditto.
11059 (tree_lower_complex_O0): Ditto.
11060 * tracer.c (rest_of_handle_tracer): Ditto.
11061 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11062 * postreload.c (rest_of_handle_postreload): Ditto.
11063 * tree-tailcall.c (execute_tail_recursion): Ditto.
11064 (execute_tail_calls): Ditto.
11065 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11066 * tree.h (init_function_for_compilation): Ditto.
11067 * ipa-cp.c (ipcp_driver): Ditto.
11068 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11069 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11070 * final.c (compute_alignments): Ditto.
11071 (rest_of_handle_final): Ditto.
11072 (rest_of_handle_shorten_branches): Ditto.
11073 (rest_of_clean_state): Ditto.
11074 * omp-low.c (execute_expand_omp): Ditto.
11075 (execute_lower_omp): Ditto.
11076 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11077 * ipa-reference.c (static_execute): Ditto.
11078 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11079 * reorg.c (rest_of_handle_delay_slots): Ditto.
11080 (rest_of_handle_machine_reorg): Ditto.
11081 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11082 * flow.c (recompute_reg_usage): Ditto.
11083 (rest_of_handle_remove_death_notes): Ditto.
11084 (rest_of_handle_life): Ditto.
11085 (rest_of_handle_flow2): Ditto.
11086 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11087 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11088 (do_ssa_store_ccp): Ditto.
11089 (execute_fold_all_builtins): Ditto.
11090 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11091 * modulo-sched.c (rest_of_handle_sms): Ditto.
11092 * ipa-pure-const.c (static_execute): Ditto.
11093 * cse.c (rest_of_handle_cse): Ditto.
11094 (rest_of_handle_cse2): Ditto.
11095 * web.c (rest_of_handle_web): Ditto.
11096 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11097 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11098 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11099 * tree-nrv.c (tree_nrv): Ditto.
11100 (execute_return_slot_opt): Ditto.
11101 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11102 (create_structure_vars): Ditto.
11103 * loop-init.c (rtl_loop_init): Ditto.
11104 (rtl_loop_done): Ditto.
11105 (rtl_move_loop_invariants): Ditto.
11106 (rtl_unswitch): Ditto.
11107 (rtl_unroll_and_peel_loops): Ditto.
11108 (rtl_doloop): Ditto.
11109 * gimple-low.c (lower_function_body): Ditto.
11110 (mark_used_blocks): Ditto.
11111 * tree-ssa-sink.c (execute_sink_code): Ditto.
11112 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11113 (cgraph_early_inlining): Ditto.
11114 * global.c (rest_of_handle_global_alloc): Ditto.
11115 * jump.c (cleanup_barriers): Ditto.
11116 (purge_line_number_notes): Ditto.
11117 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11118 (rest_of_handle_if_after_reload): Ditto.
11119 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11120 (tree_ssa_loop_im): Ditto.
11121 (tree_ssa_loop_unswitch): Ditto.
11122 (tree_vectorize): Ditto.
11123 (tree_linear_transform): Ditto.
11124 (tree_ssa_loop_ivcanon): Ditto.
11125 (tree_ssa_empty_loop): Ditto.
11126 (tree_ssa_loop_bounds): Ditto.
11127 (tree_complete_unroll): Ditto.
11128 (tree_ssa_loop_prefetch): Ditto.
11129 (tree_ssa_loop_ivopts): Ditto.
11130 (tree_ssa_loop_done): Ditto.
11131 * predict.c (tree_estimate_probability): Ditto.
11132 * recog.c (split_all_insns_noflow): Ditto.
11133 (rest_of_handle_peephole2): Ditto.
11134 (rest_of_handle_split_all_insns): Ditto.
11135 * tree-eh.c (lower_eh_constructs): Ditto.
11136 * regmove.c (rest_of_handle_regmove): Ditto.
11137 (rest_of_handle_stack_adjustments): Ditto.
11138 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11139 * function.c (instantiate_virtual_regs): Ditto.
11140 (init_function_for_compilation): Ditto.
11141 (rest_of_handle_check_leaf_regs): Ditto.
11142 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11143 (rest_of_handle_gcse): Ditto.
11144 * ipa-type-escape.c (type_escape_execute): Ditto.
11145 * alias.c (rest_of_handle_cfg): Ditto.
11146 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11147 * profile.c (rest_of_handle_branch_prob): Ditto.
11148 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11149 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11150 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11151 * tree-dfa.c (find_referenced_vars): Ditto.
11152 * except.c (set_nothrow_function_flags): Ditto.
11153 (convert_to_eh_region_ranges): Ditto.
11154 (rest_of_handle_eh): Ditto.
11155 * emit-rtl.c (unshare_all_rtl): Ditto.
11156 (remove_unnecessary_notes): Ditto.
11157 * except.h (set_nothrow_function_flags): Ditto.
11158 (convert_to_eh_region_ranges): Ditto.
11159 * cfgexpand.c (tree_expand_cfg): Ditto.
11160 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11161 * tree-ssa-pre.c (do_pre): Ditto.
11162 (execute_fre): Ditto.
11163 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11164 (rest_of_handle_jump2): Ditto.
11165 * tree-sra.c (tree_sra): Ditto.
11166 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11167 (execute_mudflap_function_decls): Ditto.
11168 * tree-ssa-copy.c (do_copy_prop): Ditto.
11169 (do_store_copy_prop): Ditto.
11170 * ipa-prop.h (ipcp_driver): Ditto.
11171 * cfglayout.c (insn_locators_initialize): Ditto.
11172 * tree-ssa-forwprop.c
11173 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11174 * cfglayout.h (insn_locators_initialize): Ditto.
11175 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11176 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11177 (execute_late_warn_uninitialized): Ditto.
11178 * rtl.h (cleanup_barriers): Ditto.
11179 (split_all_insns_noflow): Ditto.
11180 (purge_line_number_notes): Ditto.
11181 (unshare_all_rtl): Ditto.
11182 (remove_unnecessary_notes): Ditto.
11183 (recompute_reg_usage): Ditto.
11184 (variable_tracking_main): Ditto.
11185 * integrate.c (emit_initial_value_sets): Ditto.
11186 * integrate.h (emit_initial_value_sets): Ditto.
11187 * tree-optimize.c (execute_free_datastructures): Ditto
11188 (execute_free_cfg_annotations): Ditto.
11189 (execute_fixup_cfg): Ditto.
11190 (execute_cleanup_cfg_pre_ipa): Ditto.
11191 (execute_cleanup_cfg_post_optimizing): Ditto.
11192 (execute_init_datastructures): Ditto.
11193 * tree-object-size.c (compute_object_sizes): Ditto.
11194 * combine.c (rest_of_handle_combine): Ditto.
11195 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11196 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11197 (rest_of_handle_reorder_blocks): Ditto.
11198 (rest_of_handle_partition_blocks): Ditto.
11199 * var-tracking.c (variable_tracking_main): Ditto.
11200 * tree-profile.c (tree_profiling): Ditto.
11201 * tree-vect-generic.c (expand_vector_operations): Ditto.
11202 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11203 * sched-rgn.c (rest_of_handle_sched): Ditto.
11204 (rest_of_handle_sched2): Ditto.
11205 * basic-block.h (free_bb_insn): Ditto.
11206 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11207 * tree-cfg.c (execute_build_cfg): Ditto.
11208 (remove_useless_stmts): Ditto.
11209 (split_critical_edges): Ditto.
11210 (execute_warn_function_return): Ditto.
11211 (execute_warn_function_noreturn): Ditto.
11212 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11213 * cfgrtl.c (free_bb_for_insn): Ditto.
11214 * passes.c (execute_one_pass): Run additional
11215 todos returned by execute function.
11216 * tree-pass.h (struct tree_opt_pass): Make execute
11219 2006-03-02 Richard Guenther <rguenther@suse.de>
11221 * tree-ssa-alias.c (find_used_portions): Consider taking
11222 the address as making the variable not write-only.
11224 2006-03-02 Nick Clifton <nickc@redhat.com>
11226 * config.gcc (default_use_cxa_atexit): Extend the description of
11227 this configure variable. Set its default value to "yes" for
11228 Linux, NetBSD and ELF targets on the assumption that they will
11229 use C libraries with the __cxa_atexit function.
11231 2006-03-02 Ben Elliston <bje@au.ibm.com>
11233 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11234 parameter as unused to suppress a build warning.
11236 2006-03-02 Ben Elliston <bje@au.ibm.com>
11238 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11241 2006-03-01 Roger Sayle <roger@eyesopen.com>
11244 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11245 declared name, the weak reference name, and the typeof name.
11246 (__gthrw): Avoid expanding the declared name suffix.
11247 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11249 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11251 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11253 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11254 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11255 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11256 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11257 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11258 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11259 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11260 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11261 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11262 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11263 (DW_END_default, DW_END_big, DW_END_little): New.
11264 (DW_END_lo_user, DW_END_hi_user): Define.
11265 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11266 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11267 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11270 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11272 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11274 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11276 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11278 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11280 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11281 to 'symbol_mem_tag'.
11283 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11286 2006-03-01 Roger Sayle <roger@eyesopen.com>
11288 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11290 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11293 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11294 MACHO_DYNAMIC_NO_PIC_P.
11295 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11297 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11300 * config/darwin-protos.h (darwin_asm_output_anchor):
11302 * config/darwin-sections.def (cstring_section):
11303 Add SECTION_MERGE to the flags.
11304 (literal4_section): Likewise.
11305 (literal8_section): Likewise.
11306 (objc_selector_refs_section): Likewise.
11307 (objc_cls_refs_section): Likewise.
11308 * config/darwin.c (darwin_asm_output_anchor): New
11310 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11312 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11314 Fix PR tree-optimization/26443
11315 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11316 to todo and PROP_tmt_usage to properties_destroyed.
11317 * tree-ssa-ccp.c (pass_ccp): Ditto.
11318 (pass_store_ccp): Ditto.
11319 * tree-ssa-dom.c (pass_dominator): Ditto.
11321 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11323 * tree-ssa-operands.c: Cleanup whitespace.
11324 (get_asm_expr_operands): Move before first invocation.
11325 (get_indirect_ref_operands): Likewise.
11326 (get_tmr_operands): Likewise.
11327 (get_call_expr_operands): Likewise.
11328 (append_def): Likewise.
11329 (append_use): Likewise.
11330 (append_v_may_def): Likewise.
11331 (append_v_must_def): Likewise.
11332 (add_call_clobber_ops): Likewise.
11333 (add_call_read_ops): Likewise.
11334 (add_stmt_operand): Likewise.
11335 (add_virtual_operand): Likewise.
11336 (build_ssa_operands): Likewise.
11338 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11340 PR middle-end/26022
11342 PR middle-end/24437
11343 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11344 with a call expr to ...
11345 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11347 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11349 * tree-vrp.c (extract_range_from_assert): Remove special
11350 handling for types with super-types.
11352 2006-03-01 Ben Elliston <bje@au.ibm.com>
11354 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11355 and powerpc64-*-linux* configurations.
11356 * config/t-dfprules: New file.
11358 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11359 Compile dfp-bit.c from the source directory using -DWIDTH and
11360 $DFP_CFLAGS to control the compilation of that file, rather than
11361 generating width-specific versions in the build directory.
11362 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11363 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11365 2006-02-28 Zack Weinberg <zackw@panix.com>
11367 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11370 2006-02-28 Eric Christopher <echristo@apple.com>
11372 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11373 Set up IN_LIBGCC definition of TARGET_64BIT.
11374 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11376 2006-02-28 Roger Sayle <roger@eyesopen.com>
11378 PR middle-end/14752
11379 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11380 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11381 cases via the construction of "expr != 0".
11383 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11385 * alias.c (alias_invariant, alias_invariant_size): Remove.
11386 (record_base_value): Remove.
11387 (memrefs_conflict_p): Don't look at alias_invariant.
11388 (end_alias_analysis): Don't free it.
11389 * alias.h (record_base_value): Remove prototype.
11391 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11392 Adam Nemet <anemet@caviumnetworks.com>
11394 * rtl.h (truncated_to_mode): Declare it.
11395 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11396 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11397 (RTL_HOOKS_INITIALIZER): Include it.
11398 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11399 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11400 reg_truncated_to_mode.
11401 * rtlanal.c (truncated_to_mode): Define it.
11402 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11404 2006-02-28 Jeff Law <law@redhat.com>
11406 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11407 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11408 the range allowed by TYPE_PRECISION.
11410 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11412 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11414 PR tree-optimization/26419
11415 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11418 2006-02-27 Zack Weinberg <zackw@panix.com>
11420 * doc/md.texi: Fix typo in previous change.
11422 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11426 2006-02-27 Zack Weinberg <zackw@panix.com>
11428 * rtl.def (define_constraint, define_register_constraint)
11429 (define_memory_constraint, define_address_constraint): New MD forms.
11430 * gensupport.c (process_rtx): Put define_constraint etc on the
11432 * genpreds.c (process_define_predicate): Adjust comment. Validate
11433 the name, and call validate_exp to validate the expression.
11434 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11435 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11436 all callers changed.
11437 (validate_exp, needs_variable, struct constraint_data)
11438 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11439 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11440 (const_dbl_constraints, constraint_max_namelen)
11441 (have_register_constraints, have_memory_constraints)
11442 (have_address_constraints, have_address_constraints)
11443 (have_extra_constraints, have_const_int_constraints)
11444 (have_const_dbl_constraints, mangle, add_constraint)
11445 (process_define_constraint, process_define_register_constraint)
11446 (write_enum_constraint_num, write_lookup_constraint)
11447 (write_insn_constraint_len, write_regclass_for_constraint)
11448 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11449 (write_insn_extra_memory_constraint)
11450 (write_insn_extra_address_constraint)
11451 (write_satisfies_constraint_fns): New.
11452 (write_tm_preds_h): If we have new-style constraint definitions,
11453 prototype the functions generated from them, and define the
11454 old constraint interface (still used by generic code) in terms of
11456 (write_insn_preds_c): If we have new-style constraint definitions,
11457 generate all relevant functions from those definitions.
11458 (main): Handle define_constraint etc.
11459 * genoutput.c (struct constraint_data, indep_constraints)
11460 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11461 (mdep_constraint_len): New data structures and functions, defined
11462 #ifdef USE_MD_CONSTRAINTS.
11463 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11464 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11465 use new logic to validate operand constraints against constraint
11467 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11469 * defaults.h: If none of the old-style constraint macros are
11470 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11471 old-style macros; and poison REG_CLASS_FROM_LETTER,
11472 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11474 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11475 * doc/md.texi: Document new constraint-definition mechanism and the
11476 C interface it provides. Remove references to old mechanism
11477 elsewhere in the document.
11478 (Machine Constraints): Use pathnames relative to gcc directory,
11479 i.e. config/ARCH/FILE. Change i386 section to refer to
11480 config/i386/predicates.md; update that section to match docstrings.
11481 * doc/tm.texi: Move all documentation of the old constraint-
11482 definition macros to their own section, clearly mark as obsolete.
11484 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11485 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11487 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11488 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11489 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11490 constraint strings.
11491 (splits and peepholes): Use satisfies_constraint_*.
11492 * config/i386/i386.c (memory_address_length)
11493 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11495 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11497 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11498 scalar operation to be put back into the loop.
11500 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11503 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11504 (extract_cie_info): Handle S flag in augmentation string.
11505 (execute_cfa_program): If context->signal_frame, execute also
11506 fs->pc == context->ra instructions.
11507 (uw_frame_state_for): If context->signal_frame, don't subtract one
11508 from context->ra to find FDE.
11509 (uw_update_context_1): Set context->signal_frame to
11511 (_Unwind_GetIPInfo): New function.
11512 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11513 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11515 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11516 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11517 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11518 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11519 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11520 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11521 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11522 x86_64_fallback_frame_state): Set fs->signal_frame.
11523 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11524 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11525 (frob_update_context): Likewise. Workaround missing S flag in
11526 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11527 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11528 Remove the psw_addr + 1 hack.
11530 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11532 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11533 with aggregates here.
11534 (find_func_aliases): Remove code for &<aggregate> from here.
11536 2006-02-26 Roger Sayle <roger@eyesopen.com>
11538 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11539 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11540 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11541 as (X & C) ne/eq 0.
11543 2006-02-26 Roger Sayle <roger@eyesopen.com>
11545 PR middle-end/19983
11546 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11548 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11550 * opts.c (decode_options): Do not handle flag_strength_reduce.
11551 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11552 and OPT_fstrength_reduce.
11553 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11554 flag_prefetch_loop_arrays for being nonzero.
11555 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11557 (fprefetch-loop-arrays-rtl): Removed.
11558 (flag_prefetch_loop_arrays): Do not specify the value.
11560 * doc/passes.texi: Update documentation of loop optimizer
11562 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11563 -frerun-loop-opt): Remove.
11565 2006-02-26 Richard Guenther <rguenther@suse.de>
11567 PR tree-optimization/26421
11568 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11569 in function calls that are ADDR_EXPRs as using the whole structure.
11571 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11573 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11574 * tree-pass.h (pass_loop_optimize): Remove.
11575 * passes.c (pass_loop_optimize): Never run it.
11576 * toplev.c (backend_init): Don't call init_loop.
11577 * opts.c (flag_loop_optimize_set): Remove.
11578 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11579 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11580 the old RTL loop optimizer when profiling enabled.
11581 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11582 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11583 pre-headers for the sake of the old RTL loop optimizer.
11584 * Makefile.in: Remove all references to loop.o.
11586 * doc/invoke.texi: Remove all references to -floop-optimize
11587 and -frerun-loop-opt.
11589 2006-02-26 Zack Weinberg <zackw@panix.com>
11591 * doc/md.texi (Machine Constraints): Refer to all files with paths
11592 relative to gcc directory (i.e. config/CPU/file). Add missing
11593 @table @code ... @end table to M32C subsection.
11595 2006-02-26 Roger Sayle <roger@eyesopen.com>
11597 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11599 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11601 2006-02-26 Roger Sayle <roger@eyesopen.com>
11602 James A. Morrison <phython@gcc.gnu.org>
11604 PR middle-end/21137
11605 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11606 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11607 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11608 signedness of the shift operation.
11610 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11612 PR tree-optimization/26359
11613 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11615 2006-02-25 Roger Sayle <roger@eyesopen.com>
11617 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11618 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11619 as X == 0, and some symmetry related transformations.
11620 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11622 2006-02-25 Roger Sayle <roger@eyesopen.com>
11624 PR middle-end/23673
11625 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11626 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11627 symmetry related transformations. Fold (X^C1) == C2 as
11630 2006-02-25 Juergen Weigert <jw@suse.de>
11631 Richard Guenther <rguenther@suse.de>
11633 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11635 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11637 * combine.c (gen_lowpart_or_truncate): Call
11638 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11640 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11642 * doc/invoke.texi: Move -fopenmp description to "Options for
11644 Remove reference to -lgomp.
11646 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11648 * doc/install.texi: Require GNU tar version 1.14.
11650 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11652 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11653 * doc/invoke.texi (C++ Dialect Options): Document
11654 -fno-use-cxa-get-exception-ptr.
11655 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11656 * configure: Regenerate.
11657 * c.opt (fuse-cxa-get-exception-ptr): New.
11658 * c-opts.c (c_common_handle_option): Handle
11659 OPT_fuse_cxa_get_exception_ptr.
11660 * c-common.c (flag_use_cxa_atexit): Update documentation.
11661 (flag_use_cxa_get_exception_ptr): New.
11662 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11663 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11665 (C_COMMON_OVERRIDE_OPTIONS): New.
11667 2006-02-24 Roger Sayle <roger@eyesopen.com>
11669 PR middle-end/24952
11670 * combine.c (try_combine): Explicitly check whether GET_CODE is
11671 a SET or a CLOBBER, instead on checking that it isn't a USE.
11673 2006-02-24 Roger Sayle <roger@eyesopen.com>
11675 * fold-const.c (fold_comparison): New subroutine of fold_binary
11676 containing transformations common to both the equality and
11677 ordering relational operators, factored out of fold_binary.
11678 (fold_binary): Separate out the equality operators (EQ_EXPR
11679 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11680 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11681 transformations common to both.
11682 (fold_div_compare): Fix latent bugs in the previously unreachable
11683 LT_EXPR and GE_EXPR cases.
11685 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11687 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11688 decl libname for clog to __clog on AIX.
11690 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11692 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11695 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11696 output traceback table for thunks. Localise rs6000_stack_info call.
11698 2006-02-23 Roger Sayle <roger@eyesopen.com>
11699 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11701 * gthr-posix.h (__gthrw): Fix typo in comment.
11703 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11705 * doc/cpp.texi (Character sets): Document that we do support
11706 input files to be in any character set.
11708 2006-02-23 Jeff Law <law@redhat.com>
11710 * tree.h (PHI_ARG_NONZERO): Remove.
11711 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11712 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11713 node to the new node.
11715 PR tree-optimization/26425
11716 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11717 min/max, then assume its varying.
11719 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11721 PR rtl-optimization/26316
11722 * rtlanal.c (enum may_trap_p_flags): New.
11723 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11724 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11725 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11726 (may_trap_after_code_motion_p): New function.
11727 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11728 (find_invariant_insn): Use may_trap_after_code_motion_p.
11729 * rtl.h (may_trap_after_code_motion_p): Declare.
11731 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11733 * emit-rtl.c (immed_double_const): Cleanup.
11735 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11737 Fix PR tree-optimization/26376
11738 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11741 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11743 PR middle-end/26412
11744 * gimplify.c (omp_add_variable): Guard variable size decl test with
11745 DECL_SIZE (decl) check.
11747 2006-02-23 Richard Guenther <rguenther@suse.de>
11749 PR middle-end/26439
11750 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11751 like aggregate types.
11753 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11755 * configure.ac: Add --with{,out}-long-double-128 configure option.
11756 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11757 * configure: Rebuilt.
11758 * config.in: Rebuilt.
11759 * doc/install.texi (Options specification): Document
11760 --with-long-double-128.
11762 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11763 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11764 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11765 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11767 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11769 * config/s390/s390.c (override_options): Handle
11770 TARGET_DEFAULT_LONG_DOUBLE_128.
11772 * config/alpha/alpha.c (override_options): Handle
11773 TARGET_DEFAULT_LONG_DOUBLE_128.
11775 * config/sparc/sparc.c (sparc_override_options): Handle
11776 TARGET_DEFAULT_LONG_DOUBLE_128.
11778 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11780 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11781 (real-install-headers-tar, real-install-headers-cpio)
11782 (real-install-headers-cp): New targets.
11784 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11786 * tree.h (variable_section): Delete.
11787 * varasm.c (variable_section): Delete.
11789 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11791 * install.texi: Add notes on install.texi2html.
11792 (Building in parallel): Do not use footnotes.
11794 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11797 * doc/install.texi (Configuration): Document --disable-libgomp.
11799 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11801 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11803 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11805 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11806 (vec_extractv2df_0_sse): New.
11808 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11810 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11811 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11812 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11813 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11814 to the result of the expression.
11815 (def_cfa_1): Adjust.
11816 (frame_pointer_cfa_offset): Rename to...
11817 (frame_pointer_fb_offset): ... this. Adjust all uses.
11818 (convert_cfa_to_loc_list): Rename to...
11819 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11820 Pass it on to build_cfa_loc.
11821 (compute_frame_pointer_to_cfa_displacement): Rename to...
11822 (compute_frame_pointer_to_fb_displacement): ... this. New
11823 offset parameter. Use it in computation.
11824 (gen_subprogram_die): Compute cfa_fb_offset with the new
11825 macro, and use it to compute the fb loc list and the
11828 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11830 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11831 replaced with register_operand.
11832 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11833 non-DREG is expensive.
11834 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11835 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11838 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11840 * doc/install.texi2html: Use set -e.
11842 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11844 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11845 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11846 * doc/invoke.texi (-fshared-data): Delete.
11847 * common.opt (fshared-data): Delete.
11848 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11849 (assemble_static_space): Remove #if 0 code.
11850 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11851 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11852 * config/cris/cris.h: Remove FIXME.
11854 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11856 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11859 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11861 PR middle-end/26379
11862 * combine.c (simplify_shift_const_1): Disable nested shifts
11863 optimization for vector shifts.
11865 2006-02-20 Roger Sayle <roger@eyesopen.com>
11867 PR tree-optimization/26361
11868 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11869 of unsigned integer types.
11871 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11873 * tree-chrec.c (eq_evolutions_p): New.
11874 * tree-chrec.h (eq_evolutions_p): Declared.
11875 * tree-data-ref.c: Fix formatting.
11876 (datadep_stats, dependence_stats): New.
11878 (print_direction_vector): New.
11879 (dump_data_dependence_relation): Use print_direction_vector.
11880 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11881 (compute_subscript_distance): Static.
11882 (initialize_data_dependence_relation): Static. Get the number
11883 of loops surrounding the references from the callers, and initialize
11884 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11885 base_object_differ_p analyzers.
11886 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11887 compute_overlap_steps_for_affine_1_2,
11888 analyze_subscript_affine_affine): Count the classified dependences.
11889 Print a message when a test failed.
11890 (can_use_analyze_subscript_affine_affine): New.
11891 (analyze_siv_subscript): Compute the data dependences on symbolic
11892 scevs that verify can_use_analyze_subscript_affine_affine.
11893 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11894 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11895 Handle symbolic scevs.
11896 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11898 (subscript_dependence_tester): Moved...
11899 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11900 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11901 DDR_SIZE_VECT instead of getting it in parameter.
11902 (subscript_dependence_tester): ... here. Take as a parameter
11903 loop_nest_depth. Call build_classic_dist_vector and
11904 build_classic_dir_vector.
11905 (compute_affine_dependence): Update subscript_dependence_tester
11906 parameters. Update datadep_stats counters. Call
11907 compute_subscript_distance.
11908 (compute_self_dependence): Save the dist and dir vectors. Call
11909 compute_subscript_distance.
11910 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11911 (compute_all_dependences): Reorder parameters as they were before
11912 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11913 compute_subscript_distance. Update the use of
11914 compute_affine_dependence and initialize_data_dependence_relation.
11915 (find_data_references_in_loop): Handle COMPONENT_REF.
11916 (compute_data_dependences_for_loop): Initialize dependence_stats.
11917 Don't call build_classic_dist_vector and build_classic_dir_vector.
11918 Update the parameters of initialize_data_dependence_relation and
11919 compute_all_dependences. Print the statistics from datadep_stats.
11920 (analyze_all_data_dependences): Static. Not used until the pass for
11921 checking the data dependences is contributed.
11922 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11923 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11924 (initialize_data_dependence_relation, compute_affine_dependence,
11925 analyze_all_data_dependences, compute_subscript_distance): Removed.
11926 (print_direction_vector): New.
11927 * lambda.h (gcd): ... here.
11928 (lambda_vector_gcd): Moved here from gcd_vector.
11929 * lambda-code.c (gcd, gcd_vector): Removed.
11930 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11931 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11933 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11935 * ipa-type-escape.c: Tidy some comments and white space.
11936 * tree-ssa-operands.c: Likewise.
11938 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11941 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11942 (dump_decl_name): Do not walk the decl tree chains.
11943 * tree-pass.h (TDF_CHAIN): Remove.
11945 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11947 * Makefile.in (C): Remove
11949 (.PHONY): Remove C and PROTO
11951 2006-02-20 Roger Sayle <roger@eyesopen.com>
11953 PR middle-end/26236
11954 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11955 deprecated CHAR_TYPE tree code.
11957 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11959 * configure.ac (target_list): Add install-info, dvi, html.
11960 * configure: Regenerate.
11962 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11963 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11964 treelang/Make-lang.in: Do not use double-colon rules.
11966 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11968 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11969 (TMT_USED_ALONE): New macro.
11970 * tree-pass.h (PROP_tmt_usage): New property.
11971 (TODO_update_tmt_usage): New todo.
11972 * tree-ssa-alias.c (updating_used_alone): New variable.
11973 (recalculate_used_alone): New function.
11974 (compute_may_aliases): Set updating_used_alone, call
11975 recalculate_used_alone.
11976 * tree-sra.c (pass_sra): Note that this pass destroys
11977 PROP_tmt_usage, and add TODO_update_tmt_usage.
11978 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11979 * tree-flow.h (updating_used_alone): Prototype.
11980 (recalculate_used_alone): Ditto.
11981 * passes.c (execute_todo): Add code to set updating_used_alone,
11982 and call recalculate.
11983 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11984 for clobber if used alone, and add assert to verify used_alone
11987 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11989 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11990 for non tls symbols added.
11991 (legitimize_address): Do nothing for PLUS expressions if one of the
11992 addends is a tls symbol reference.
11994 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11998 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12000 * Makefile.in (BOOTSTRAPPING): New.
12001 (quickstrap): New definition if BOOTSTRAPPING=yes.
12003 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12004 * configure.ac: Substitute all_selected_languages with the languages
12005 that were configured. For all the other variables except
12006 lang_specs_files, include all the languages in the tree.
12007 * configure: Regenerate.
12009 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12010 if there is one. Run the commands to run fixincludes in the same
12013 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12014 * doc/install.texi: Document exact conventions for searching target tools.
12015 Document --with-build-time-tools. Document toplevel bootstrap. Document
12016 something more about building an Ada cross-compiler. Don't list GNU Make
12017 requirements which affect all platforms.
12019 2006-02-19 Roger Sayle <roger@eyesopen.com>
12021 PR middle-end/19543
12022 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12023 only equivalent if the have both the same mode and precision.
12025 2006-02-20 Ben Elliston <bje@au.ibm.com>
12027 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12029 2006-02-19 Roger Sayle <roger@eyesopen.com>
12030 Steven Bosscher <stevenb.gcc@gmail.com>
12032 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12033 constant pool references to identify stack mode constants.
12034 * rtlanal.c (constant_pool_constant_p): New predicate to check
12035 whether operand is a floating point constant in the pool.
12036 * rtl.h (constant_pool_constant_p): Prototype here.
12037 * loop.c (scan_loop): Avoid hoisting constants from the constant
12038 pool on STACK_REGS targets.
12039 (load_mems): Likewise.
12040 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12041 loads into x87 registers expensive in terms of register pressure.
12043 2006-02-19 Roger Sayle <roger@eyesopen.com>
12045 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12046 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12048 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12050 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12051 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12053 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12055 * doc/invoke.texi: Document -fipa-pta.
12056 * common.opt: Add ipa-pta option.
12057 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12058 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12059 (do_ds_constraint): Ditto.
12060 (get_constraint_for): Only add to referenced_vars if
12061 referenced_vars exists.
12062 (insert_into_field_list): Rewrite to do this unsorted.
12063 (insert_into_field_list_sorted): Rename old insert_into_field_list
12065 (create_function_info_for): Use insert_into_field_list_sorted.
12066 (create_variable_info_for): Rewrite so it uses unsorted version,
12067 since the field list is sorted.
12068 (intra_create_variable_infos): Only add to referenced_vars if
12069 referenced_vars exists.
12070 (ipa_pta_execute): Init heapvars, and delete when done.
12071 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12073 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12075 * doc/install.texi: Add missing `@samp'.
12077 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12079 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12082 2006-02-18 Mark Wielaard <mark@klomp.org>
12084 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12085 who added new 4.1 features, bug fixes and integration support.
12087 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12090 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12091 MEM for ABI_V4 pic.
12093 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12095 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12096 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12097 (copy_insn_1): Likewise. Don't copy each field individually.
12099 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12101 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12102 * rtl.c (rtx_size): Rename variable to...
12103 (rtx_code_size): ...this.
12104 (rtx_size): New function.
12105 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12106 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12108 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12109 * rtl.h (rtx_code_size): New variable.
12110 (rtx_size): Change from a variable to a function.
12111 (RTX_SIZE): Rename to...
12112 (RTX_CODE_SIZE): ...this.
12115 PR tree-optimization/17106
12116 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12117 (Anchored Addresses): New section.
12118 * doc/invoke.texi (-fsection-anchors): Document.
12119 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12120 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12121 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12122 * hooks.c (hook_bool_mode_rtx_false): New function.
12123 * hooks.h (hook_bool_mode_rtx_false): Declare.
12124 * gengtype.c (create_optional_field): New function.
12125 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12126 SYMBOL_REF_IN_BLOCK_P is true.
12127 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12128 (min_anchor_offset, max_anchor_offset): Likewise.
12129 (use_anchors_for_symbol_p): New hook.
12130 * toplev.c (compile_file): Call output_object_blocks.
12131 (target_supports_section_anchors_p): New function.
12132 (process_options): Check that -fsection-anchors is only used on
12133 targets that support it and when -funit-at-a-time is in effect.
12134 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12135 if the decl doesn't have one.
12136 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12137 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12138 of force_const_mem through use_anchored_address.
12139 (expand_expr_constant): New function.
12140 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12141 calling expand_expr for INDIRECT_REF.
12142 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12143 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12144 * expr.h (use_anchored_address): Declare.
12145 * loop-unroll.c: Don't declare rtx vectors here.
12146 * explow.c: Include output.h.
12147 (validize_mem): Call use_anchored_address.
12148 (use_anchored_address): New function.
12149 * common.opt (-fsection-anchors): New switch.
12150 * varasm.c (object_block_htab, anchor_labelno): New variables.
12151 (hash_section, object_block_entry_eq, object_block_entry_hash)
12152 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12153 (use_blocks_for_decl_p, change_symbol_section): New functions.
12154 (get_variable_section): New function, split out from assemble_variable.
12155 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12156 use_blocks_for_decl_p say so. Use change_symbol_section if the
12157 symbol has already been created.
12158 (assemble_variable_contents): New function, split out from...
12159 (assemble_variable): ...here. Don't output any code for
12160 block symbols; just pass them to place_block_symbol.
12161 Use get_variable_section and assemble_variable_contents.
12162 (get_constant_alignment, get_constant_section, get_constant_size): New
12163 functions, split from output_constant_def_contents.
12164 (build_constant_desc): Create a block symbol if use_object_blocks_p
12165 says so. Or into SYMBOL_REF_FLAGS.
12166 (assemble_constant_contents): New function, split from...
12167 (output_constant_def_contents): ...here. Don't output any code
12168 for block symbols; just pass them to place_section_symbol.
12169 Use get_constant_section and get_constant_alignment.
12170 (force_const_mem): Create a block symbol if use_object_blocks_p and
12171 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12172 (output_constant_pool_1): Add an explicit alignment argument.
12173 Don't switch sections here.
12174 (output_constant_pool): Adjust call to output_constant_pool_1.
12175 Switch sections here instead. Don't output anything for block symbols;
12176 just pass them to place_block_symbol.
12177 (init_varasm_once): Initialize object_block_htab.
12178 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12179 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12180 (place_block_symbol, get_section_anchor, output_object_block)
12181 (output_object_block_htab, output_object_blocks): New functions.
12182 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12183 (TARGET_ASM_OUT): Include it.
12184 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12185 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12186 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12187 (TARGET_INITIALIZER): Include them.
12188 * rtl.c (rtl_check_failed_block_symbol): New function.
12189 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12190 (block_symbol, object_block): New structures.
12191 (rtx_def): Add a block_symbol field to the union.
12192 (BLOCK_SYMBOL_CHECK): New macro.
12193 (rtl_check_failed_block_symbol): Declare.
12194 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12195 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12196 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12197 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12198 * output.h (output_section_symbols): Declare.
12199 (object_block): Name structure.
12200 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12201 (default_use_anchors_for_symbol_p): Declare.
12202 * Makefile.in (RTL_BASE_H): Add vec.h.
12203 (explow.o): Depend on output.h.
12204 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12205 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12206 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12207 (rs6000_use_blocks_for_constant_p): New function.
12209 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12211 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12213 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12216 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12219 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12221 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12225 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12227 PR middle-end/26334
12228 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12229 instead of DECL_REGISTER.
12231 2006-02-18 Olivier Hainque <hainque@adacore.com>
12234 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12236 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12239 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12240 * opth-gen.awk: Handle Var and InverseMask together.
12241 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12242 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12243 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12244 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12246 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12247 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12248 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12249 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12250 LINUX_DYNAMIC_LINKER): Define.
12251 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12252 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12254 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12255 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12256 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12257 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12258 (TARGET_C99_FUNCTIONS): Don't define.
12259 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12260 GLIBC_DYNAMIC_LINKER.
12261 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12262 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12263 GLIBC_DYNAMIC_LINKER64): Define.
12264 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12265 LINUX_DYNAMIC_LINKER64.
12266 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12267 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12268 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12269 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12270 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12271 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12272 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12273 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12274 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12275 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12276 and LINUX_DYNAMIC_LINKER32.
12277 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12278 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12279 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12280 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12281 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12283 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12284 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12285 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12286 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12287 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12288 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12289 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12290 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12291 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12292 LINUX_DYNAMIC_LINKER): Define.
12293 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12294 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12295 GLIBC_DYNAMIC_LINKER64): Define.
12296 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12297 LINUX_DYNAMIC_LINKER64.
12298 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12299 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12300 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12301 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12302 LINUX_DYNAMIC_LINKER): Define.
12303 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12304 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12305 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12306 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12307 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12308 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12309 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12310 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12311 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12312 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12313 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12314 * doc/invoke.texi (-muclibc): Remove caveat about supported
12317 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12319 * doc/cpp.texi (__TIMESTAMP__): Document.
12321 2006-02-17 Roger Sayle <roger@eyesopen.com>
12323 PR middle-end/25600
12324 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12325 C is one less than the width of X (and related transformations).
12326 * simplify-rtx.c (simplify_unary_operation_1): Transform
12327 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12328 depending on STORE_FLAG_VALUE, were C is one less then the
12331 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12333 Fix PR tree-optimization/26341
12334 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12335 about NAME_MEMORY_TAG's.
12337 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12340 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12341 with hardware float support, and software float support. Add fcpy
12342 alternative to hardware patterns. Add alternatives to copy between
12343 general and floating-point registers to the 32-bit pattern.
12344 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12345 secondary reload to load a QI or HI mode constant into a floating
12347 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12348 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12350 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12353 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12355 (load_macho_picbase_di): Likewise.
12357 2006-02-16 Jeff Law <law@redhat.com>
12359 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12360 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12361 (ssa_name_nonzero_p): Likewise.
12362 (get_value_range): Return NULL if VRP is not running.
12363 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12364 VRP routines do not discover a range.
12365 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12366 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12367 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12368 (tree_expr_nonnegative_p): Similarly.
12369 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12370 (restore_nonzero_vars_to_original_value): Remove.
12371 (unsafe_associative_fp_binop): Remove.
12372 (tree_ssa_dominator_optimize): Remove initialization and
12373 finalization of nonzero_vars and nonzero_vars_stack.
12374 (dom_opt_initialize_block): No longer push marker on
12375 nonzero_vars_stack.
12376 (dom_opt_finalize_block): No longer call
12377 restore_nonzero_vars_to_original_value.
12378 (record_equivalences_from_phis): No longer look for
12379 nonzero PHI arguments.
12380 (cprop_into_successor_phis): No longer propagate nonzero
12381 property into PHI arguments. Lose unused argument. Caller
12383 (record_equivalences_from_stmt): No longer record nonzero
12384 values for SSA_NAMEs.
12385 (lookup_avail_expr): No longer use nonzero_vars.
12387 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12388 for sizetype when sizetype is unsigned.
12390 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12392 PR rtl-optimization/25603
12393 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12394 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12395 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12396 with new meaning of SETS.
12398 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12403 * config/linux.opt: New file.
12404 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12405 LINUX_DYNAMIC_LINKER): Define.
12406 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12407 * config.gcc (*-*-linux*): Define extra_options.
12408 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12409 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12410 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12411 GLIBC_DYNAMIC_LINKER.
12412 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12413 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12414 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12415 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12416 * doc/invoke.texi (GNU/Linux Options): New section.
12418 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12420 * config/sparc/sparc.md (setjmp): Rewrite.
12421 (setjmp_32): Delete.
12422 (setjmp_64): Likewise.
12424 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12426 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12429 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12431 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12434 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12436 PR rtl-optimization/26296
12437 * Makefile.in (loop-invariant.c): Add except.h dependency.
12438 * loop-invariant.c: Include except.h.
12439 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12441 2005-02-16 Paul Brook <paul@codesourcery.com>
12443 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12446 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12448 PR rtl-optimization/25636
12449 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12450 when deciding whether an insn is an initializing insn.
12452 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12454 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12455 (tree_code_size): Ditto.
12456 * tree.h (struct tree_memory_tag): Remove parent_var.
12457 (struct tree_struct_field_tag): New.
12460 (union tree_node): Add sft member.
12461 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12463 (create_sft): Add size and offset argument, set SFT_OFFSET and
12465 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12466 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12467 * tree-flow-inline.h (get_subvar_at): Update for
12468 SFT_OFFSET/SFT_SIZE.
12469 (var_can_have_subvars): Ditto.
12470 (overlap_subvar): Ditto.
12471 * print-tree.c (print_node): Print out interesting things for
12473 * tree-flow.h (struct subvar): Remove offset and size members.
12474 * tree-ssa-operands.c (get_expr_operands): Update for
12475 get_indirect_ref_operands changes.
12476 (get_indirect_ref_operands): Call add_virtual_operand instead of
12477 add_stmt_operand. Only recurse on base var if requested.
12478 (access_can_touch_variable): New function.
12479 (add_stmt_operand): Split virtual operand handling into ...
12480 (add_virtual_operand): Here. Add offset, size, and for_clobber
12481 arguments. Prune alias sets.
12482 (add_call_clobber_ops): Call add_virtual_operand.
12484 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12486 PR middle-end/26300
12487 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12489 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12490 than TREE_CODE as index into omp_clause_num_ops array.
12492 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12494 PR rtl-optimization/26184
12495 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12497 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12498 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12499 must_precede, must_follow and tobe_scheduled.
12502 * opts.c (common_handle_option): Free new_option pointer.
12503 * df-core.c (df_analyze): Free postorder pointer.
12505 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12507 * Makefile.in: Fix the examples about the use of stamps
12509 2006-02-15 Michael Matz <matz@suse.de>
12511 PR middle-end/22275
12513 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12514 influenced by maximum_field_alignment or DECL_PACKED.
12515 (update_alignment_for_field): Ditto.
12516 (place_field): Ditto.
12517 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12520 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12522 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12523 (debug_flow_info): Pass it.
12524 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12525 * bb-reorder.c (reorder_basic_blocks): Likewise.
12526 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12527 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12528 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12529 * gcse.c (gcse_main, bypass_jumps): Likewise.
12530 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12531 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12532 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12533 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12534 * rtl.h (dump_flow_info): Adjust prototype.
12535 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12536 * var-tracking.c (variable_tracking_main): Likewise.
12537 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12538 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12541 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12543 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12546 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12548 PR tree-optimization/26209
12549 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12550 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12552 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12554 2006-02-14 Roger Sayle <roger@eyesopen.com>
12556 PR middle-end/23670
12557 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12558 (X,Y) and the corresponding symmetry related transformations.
12559 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12560 (X,Y) and its symmetry related transformations.
12562 2006-02-14 Roger Sayle <roger@eyesopen.com>
12564 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12567 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12569 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12571 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12574 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12575 support COMDAT group.
12576 * configure: Regenerate.
12578 2006-02-14 Roger Sayle <roger@eyesopen.com>
12580 PR middle-end/26279
12581 PR middle-end/26280
12582 PR middle-end/26283
12583 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12585 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12587 Fix PR tree-optimization/26260
12589 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12591 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12592 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12593 * tree-ssa-structalias.c (create_variable_info_for): Use
12594 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12596 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12598 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12600 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12601 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12602 of the ending condition.
12603 * tree-ssa-loop-manip.c: Include params.h.
12604 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12605 tree_unroll_loop): New functions.
12606 * tree-pass.h (pass_loop_prefetch): Declare.
12607 * loop.c (rest_of_handle_loop_optimize): Test for
12608 -fprefetch-loop-arrays-rtl.
12609 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12610 * timevar.def (TV_TREE_PREFETCH): New timevar.
12611 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12612 pass_loop_prefetch): New.
12613 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12614 (cleanup_tree_cfg_loop): Call scev_reset.
12615 * common.opt (fprefetch-loop-arrays-rtl): Add.
12616 * tree-ssa-loop-prefetch.c: New file.
12617 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12618 (new_temp_expr_table): Initialize expr_vars.
12619 (free_temp_expr_table): Cleanup expr_vars.
12620 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12621 expressions from being merged into one.
12622 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12623 (struct tree_niter_desc): Add control, bound and cmp fields.
12624 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12626 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12627 (tree-cfgcleanup.o): Add SCEV_H dependency.
12628 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12629 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12631 2006-02-14 Richard Guenther <rguenther@suse.de>
12633 PR tree-optimization/26258
12634 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12635 in PHI argument processing.
12637 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12639 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12640 new expression in the requested machine mode.
12642 2006-02-13 Roger Sayle <roger@eyesopen.com>
12644 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12645 directly, instead let do_compare_rtx_and_jump handle this for us.
12646 * expr.c (expand_expr_real_1): Likewise.
12647 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12648 before do_jump_by_parts_greater.
12649 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12650 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12652 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12654 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12656 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12658 PR rtl-optimization/26235
12659 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12660 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12663 2006-02-13 Jeff Law <law@redhat.com>
12665 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12668 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12670 PR middle-end/26092
12671 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12672 twice if decl is a builtin. When trying again, call get_callee_fndecl
12673 first to verify it is still a builtin.
12675 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12677 * dwarf2out.c (base_type_die): Don't add AT_name here.
12678 (subrange_type_die): Don't add AT_name here.
12679 (modified_type_die): Rearrange code flow. Do add AT_name here.
12681 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12683 PR rtl-optimization/26247
12684 PR rtl-optimization/26248
12685 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12687 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12689 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12690 * config/fixtfdi.c: Likewise.
12691 * config/fixunstfdi.c: Likewise.
12692 * config/floatditf.c: Likewise.
12694 2006-02-13 Roger Sayle <roger@eyesopen.com>
12696 PR middle-end/24427
12697 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12698 into (X,C2) if C1 is a subset of the bits of C2. Transform
12699 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12701 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12703 2006-02-13 Josh Conner <jconner@apple.com>
12706 * varasm.c (function_section): Check for section name before
12707 calling select_section on targets that define
12708 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12709 unlikely_text_section instead of hot_function_section if
12710 first_function_block_is_cold.
12712 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12714 PR middle-end/25335
12715 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12717 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12719 PR rtl-optimization/26222
12720 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12721 after tree->rtl expansion.
12722 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12723 before passing it to emit_move_insn.
12725 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12727 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12729 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12730 Clarify documentation.
12731 * c-common.h (warn_write_strings): Remove.
12732 * c-common.c (warn_write_strings): Likewise.
12733 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12736 2006-02-12 Roger Sayle <roger@eyesopen.com>
12738 PR middle-end/25724
12739 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12740 (do_jump_parts_zero_rtx): New function renamed from
12741 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12742 (do_jump_parts_equality_rtx): New function split out from
12743 do_jump_parts_equality. Old implementation renamed as above.
12744 Call do_jump_parts_zero_rtx if either operand is zero.
12745 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12746 do all of the heavy lifting.
12747 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12748 calling either do_jump_by_parts_greater_rtx or
12749 do_jump_by_parts_equality_rtx.
12750 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12751 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12752 moved to do_compare_rtx_and_jump, call it directly.
12753 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12754 mode argument. Call do_compare_rtx_and_jump.
12755 (emit_case_nodes): Update calls to do_jump_if_equal.
12757 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12759 PR rtl-optimization/26225
12760 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12762 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12764 PR rtl-optimization/26232
12765 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12767 2006-02-11 Jason Merrill <jason@redhat.com>
12770 * tree-inline.c (declare_return_variable): Just don't use the
12771 modify target if it's a gimple complex reg and the return slot
12774 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12776 * doc/contrib.texi: Update my entry.
12778 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12780 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12782 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12784 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12787 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12789 * doc/invoke.texi (-floop-optimize2): Removed.
12790 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12791 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12792 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12793 * common.opt (floop-optimize2): Removed.
12794 (fmove-loop-invariants): Enabled by default.
12796 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12798 * tree-if-conv.c (combine_blocks): Free the result of
12799 get_loop_exit_edges.
12801 2006-02-10 Jeff Law <law@redhat.com>
12803 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12805 PR tree-optimization/26213
12806 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12807 loop trying to follow SSA_NAME_VALUE chains.
12809 2006-02-10 Richard Guenther <rguenther@suse.de>
12811 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12812 deal with structures that end in implicitly variable sized arrays.
12814 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12816 PR rtl-optimization/24762
12817 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12820 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12822 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12823 (struct ivopts_data): Add regs_used field.
12824 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12825 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12826 instead of loop_data->regs_used;
12827 (free_loop_data): Do not free aux fields for loops.
12828 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12829 and tree_ssa_iv_optimize_finalize.
12831 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12833 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12835 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12838 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12839 computing the effective result type.
12841 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12843 PR inline-asm/16194
12844 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12845 (tree_overlaps_hard_reg_set): Declare.
12846 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12847 type and signature to match function type expected by walk_tree.
12848 (tree_overlaps_hard_reg_set): New function.
12849 (decl_conflicts_with_clobbers_p): Rename to:
12850 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12851 Use tree_overlaps_hard_reg_set. Changed caller.
12852 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12853 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12854 * cris.c (cris_md_asm_clobbers): Likewise.
12856 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12858 * reload1.c (emit_input_reload_insns): Delete code that tries to
12859 inherit using find_equiv_reg.
12861 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12863 * c-common.h (flag_const_strings): Don't declare.
12864 * c-common.c (flag_const_strings): Remove.
12865 * c.opt (fconst_strings): Remove.
12866 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12867 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12868 (c_common_init_options): Don't set flag_const_strings.
12869 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12871 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12873 * arm.md (tlobits_cbranch): New pattern.
12874 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12875 testing a single bit.
12877 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12880 * tree-ssa-pre.c (create_component_ref_by_pieces):
12881 Handle RETURN_DECL like VAR_DECL.
12883 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12885 PR middle-end/26134
12886 * fold-const.c (fold_indirect_ref_1): Fold
12887 "*(foo *)&complexfoo" to "__real__ complexfoo"
12888 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12890 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12892 * tree-flow-inline.h (var_can_have_subvars):
12893 Volatile variables should not have subvariables.
12895 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12898 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12899 multiplying unsigned values.
12902 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12904 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12906 2006-02-08 Jason Merrill <jason@redhat.com>
12909 * tree.def: Elaborate on difference from MODIFY_EXPR.
12910 * doc/c-tree.texi (INIT_EXPR): Likewise.
12911 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12912 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12913 (gimplify_target_expr): Likewise.
12914 (gimplify_cond_expr): Remove target handling.
12915 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12916 (gimplify_expr): Clobber it here.
12917 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12918 Do return slot optimization if we have an INIT_EXPR.
12921 * tree-inline.c (declare_return_variable): Also clear
12922 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12925 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12927 PR middle-end/22439
12928 * gimplify.c (gimplify_one_sizepos): Fix typo.
12930 2006-02-08 Jeff Law <law@redhat.com>
12932 PR tree-optimization/21417
12933 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12934 across a backedge if the control statement at the end of the
12935 block is data dependent on other statements in the same block.
12936 (record_temporary_equivalences_from_stmts): Remove over-conservative
12937 test for threading across backedges.
12939 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12940 control statement, handle all three special cases in the same
12941 manner as they all have the same desired solution. No longer
12942 special case edge flag updating when the post dominator is
12945 2006-02-08 Roger Sayle <roger@eyesopen.com>
12947 * tree.def (CHAR_TYPE): Remove.
12948 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12949 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12950 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12951 (gen_string_type_die): Delete unreachable function.
12953 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12954 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12955 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12956 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12957 * builtins.c (type_to_class): Likewise.
12958 * fold-const.c (fold_convert, build_range_check,
12959 merge_ranges): Likewise.
12960 * expr.c (count_type_elements): Likewise.
12961 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12962 * stor-layout.c (layout_type): Likewise.
12963 * ipa-type-escape.c (type_to_consider): Likewise.
12964 * gimplify.c (omp_firstprivatize_type_sizes,
12965 gimplify_type_sizes): Likewise.
12966 * explow.c (promote_mode): Likewise.
12967 * tree-sra.c (is_sra_scalar_type): Likewise.
12968 * varasm.c (output_constant): Likewise.
12969 * tree-inline.c (remap_type_1): Likewise.
12970 * convert.c (convert_to_pointer, convert_to_real,
12971 convert_to_integer, convert_to_complex): Likewise.
12973 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12975 * df-scan.c (df_def_record_1): A set destination may
12976 be a parallel regardless of mode.
12978 2006-02-08 Roger Sayle <roger@eyesopen.com>
12981 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12982 * config/mips/_tilib.c: Remove.
12983 * config/fixtfdi.c: New libgcc source file.
12984 * config/fixunstfdi.c: New source file.
12985 * config/floatditf.c: New source file.
12986 * config/floatunditf.c: New souce file.
12987 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12988 files above instead of config/mips/_tilib.c.
12989 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12991 2006-02-08 Jeff Law <law@redhat.com>
12993 PR tree-optimization/26169
12994 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12997 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12999 * df.h (DF_REG_SIZE): Return the length of the initialized
13002 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13004 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13005 __muldf3): Return a correctly signed zero.
13007 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13009 * passes.c (register_one_dump_file): Accept the current properties
13010 instead of pass number. Adjust call to dump_register. Remove
13012 (register_dump_files): Now a wrapper around...
13013 (register_dump_files_1): ... this one. Do not modify the pass
13015 (next_pass_1): Cosmetic fix.
13016 (execute_todo): Keep second parameter only. Use curr_properties
13017 instead of fetching it from the pass structure. Check and set
13019 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13020 instead of fetching it from the pass structure. Fix calls to
13021 execute_todo. Update curr_properties and initialize .vcg RTL dump
13022 after running the pass. Reset last_verified.
13023 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13025 (FIRST_AUTO_NUMBERED_DUMP): New.
13026 (dump_register): Remove "num" parameter, assign it within the
13028 (get_dump_file_name): Modify template for dumps.
13029 * tree-dump.h (dump_register): Adjust prototype.
13030 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13031 (PROP_trees): Add PROP_gimple_lomp.
13032 (TODO_set_props): New.
13033 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13034 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13035 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13037 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13039 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13040 (sparc64-*-linux*): Likewise.
13041 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13042 * config/sparc/t-linux: New file.
13043 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13044 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13045 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13046 -m32 -mlong-double-128.
13048 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13049 * config/alpha/t-linux: New file.
13050 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13052 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13053 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13054 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13055 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13056 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13057 (CPP_ARCH32_SPEC): Remove.
13059 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13061 PR tree-optimization/26145
13062 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13065 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13068 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13069 >= 240000 when generating code for SOM runtime.
13070 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13071 to $$dyncall when generating code for SOM runtime..
13073 2006-02-07 Dirk Mueller <dmueller@suse.com>
13076 * doc/invoke.texi (-Wsequence-point): Update documentation
13077 that -Wsequence-point is implemented for C++ as well.
13079 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13081 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13082 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13083 (LIB_SPEC): Likewise.
13084 * doc/invoke.texi (SPARC options): Document -pthread.
13086 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13088 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13091 2006-02-07 Roger Sayle <roger@eyesopen.com>
13093 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13094 Correct comment describing BOOLEAN_TYPE.
13096 2006-02-07 Dirk Mueller <dmueller@suse.com>
13098 * c.opt: C++ frontend supports -Wdiv-by-zero.
13099 * c-opts.c (c_common_handle_option): Remove dead case.
13101 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13103 * configure.ac (TLS assembler check): Do not enable TLS by
13104 default on SPARC/Solaris before version 10.
13105 * configure: Regenerate.
13107 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13109 * doc/invoke.texi (xl-compat): Document conversion and support
13112 2006-02-07 Jeff Law <law@redhat.com>
13114 * tree-vrp.c (find_conditional_asserts): Update comments.
13115 (simplify_stmt_for_jump_threading): New.
13116 (identify_jump_threads, finalize_jump_threads): New.
13117 (vrp_finalize): Call identify_jump_threads.
13118 (execute_vrp): Call finalize_jump_threads.
13119 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13120 (vrp_element, vrp_data, vrp_element_p): Remove.
13121 (vrp_hash_elt, vrp_variables_stack): Remove.
13122 (vrp_hash, vrp_eq, record_range): Remove.
13123 (simplify_cond_and_lookup_avail_expr): Remove.
13124 (extract_range_from_cond): Remove.
13125 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13126 (simplify_stmt_for_jump_threading): New.
13127 (dom_thread_across_edge): New wrapper.
13128 (tree_ssa_dominator_optimize): No longer initialize or
13129 finalize any of the VRP datastructures. Remove iteration
13130 step and simplify as a result of removal of iteration step.
13131 (pass_dominator): Perform a cfg cleanup after DOM.
13132 (dom_opt_finalize_block): Use the new common routines
13133 for threading jumps. Simplify stack management slightly.
13134 No longer need to unwind VRP state.
13135 (record_equivalences_from_incoming_edge): No longer record
13137 (eliminate_redundant_computations): No longer call
13138 simplify_cond_and_lookup_avail_expr.
13139 * tree-flow.h (potentially_threadable_block): Prototype.
13140 (thread_across_edge): Likewise.
13141 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13142 (tree-ssa-threadedge.o): Add dependencies.
13143 * tree-ssa-threadedge.c: New file.
13144 * passes.c (init_optimization_passes): Merge PHIs before
13145 calling VRP. Run VRP again late in the SSA optimization pipeline.
13147 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13149 * df-core.c (df_set_blocks): Do not dereference function pointers.
13150 (df_finish1): Likewise.
13151 (df_hybrid_search_forward): Likewise.
13152 (df_hybrid_search_backward): Likewise.
13153 (df_iterative_dataflow): Likewise.
13154 (df_analyze_problem): Likewise.
13155 (df_compact_blocks): Likewise.
13156 (df_dump): Likewise.
13157 * df-scan.c (df_rescan_blocks): Likewise.
13158 (df_record_entry_block_defs): Likewise.
13160 * genconditions.c (write_conditions): Guard the definition of
13161 'insn_conditions' with the check on GCC version.
13162 (write_writer): Guard the traversal 'insn_conditions' with
13163 the check on GCC version.
13165 2006-02-07 Richard Guenther <rguenther@suse.de>
13169 2006-01-30 Richard Guenther <rguenther@suse.de>
13171 * gimplify.c (gimplify_target_expr): Handle easy cases
13172 without creating a temporary.
13174 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13176 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13177 use of float in probability computations. Use edge probabilities
13178 in place of statically computed probabilities.
13179 (min_spec_prob): New static variable.
13180 (schedule_insns): Initialize it.
13181 (GET_SRC_PROB): Removed.
13182 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13184 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13187 * config/ia64/unwind-ia64.c: Revert last change.
13188 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13189 (INCOMING_FRAME_SP_OFFSET): Define.
13191 2006-02-06 Roger Sayle <roger@eyesopen.com>
13193 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13195 2006-02-07 Ben Elliston <bje@au.ibm.com>
13197 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13198 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13199 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13200 (ix86_return_in_memory): Handle TDmode.
13201 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13202 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13204 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13206 * reorg.c (dbr_schedule): Use dump_file instead of file.
13208 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13211 * config/ia64/predicates.md (extr_len_operand): New predicate.
13212 * config/ia64/ia64.md (extv): Tighten constraints.
13214 (*tbit_and_2): Ditto.
13215 (*tbit_and_3): Ditto.
13216 (*tbit_or_2): Ditto.
13217 (*tbit_or_3): Ditto.
13218 (*bit_zero): Ditto.
13221 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13224 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13226 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13228 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13229 loop_optimizer_init and loop_optimizer_finalize
13230 * tree-ssa-sink.c (execute_sink_code): Ditto.
13231 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13232 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13233 tree_ssa_loop_done): Ditto.
13234 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13235 * sched-ebb.c: Include output.h.
13236 (schedule_ebbs): Do not use dump argument.
13237 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13238 * loop.c (loop_dump_stream): Removed.
13239 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13241 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13242 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13243 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13244 loop_iterations, strength_reduce, record_biv, record_giv,
13245 final_giv_value, check_final_value, check_ext_dependent_givs,
13246 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13247 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13248 dump_file instead of loop_dump_stream.
13249 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13250 argument dump_file.
13251 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13253 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13254 * haifa-sched.c: Include output.h
13255 (schedule_insns, sched_init): Do not use dump argument.
13256 * mode-switching.c (optimize_mode_switching): Ditto.
13257 * modulo-sched.c (stats_file): Removed.
13258 (print_node_sched_params): Do not call argument dump_file.
13259 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13260 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13262 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13264 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13265 rtl_loop_init, rtl_loop_done): Ditto.
13266 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13267 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13269 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13270 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13271 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13272 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13273 * emit-rtl.c (renumber_insns): Ditto.
13274 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13275 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13276 * regclass.c (regclass): Ditto.
13277 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13278 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13279 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13280 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13282 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13283 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13285 * gcse.c (gcse_file, debug_stderr): Removed.
13286 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13287 rest_of_handle_gcse): Do not use dump argument.
13288 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13289 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13290 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13291 compute_code_hoist_vbeinout, compute_code_hoist_data,
13292 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13293 compute_store_table, build_store_vectors, insert_insn_start_bb,
13294 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13295 store_motion): Use dump_file instead of gcse_file.
13296 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13297 * profile.c (profile_dump_file): Removed.
13298 (branch_prob): Use dump_file instead of profile_dump_file.
13299 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13301 * tree-ssa-copy.c (dump_copy_of): Ditto.
13302 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13303 dump file to life_analysis.
13304 * bt-load.c (branch_target_load_optimize): Ditto.
13305 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13307 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13308 regclass, dbr_schedule): Declaration changed.
13309 * sched-int.h (sched_init): Declaration changed.
13310 * tree-profile.c (tree_profile_dump_file): Removed.
13311 (tree_profile_hooks): Removed profile_dump_file hook.
13312 * rtl-profile (rtl_profile_dump_file): Removed.
13313 (rtl_profile_hooks): emoved profile_dump_file hook.
13314 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13316 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13317 * tree-cfg.c (build_tree_cfg): Ditto.
13318 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13319 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13320 Declaration changed.
13321 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13322 life_analysis and schedule_insns.
13323 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13325 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13327 * config/mips/mips.c (mips_reorg): Ditto.
13328 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13331 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13333 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13334 (s390_mangle_fundamental_type): New.
13335 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13338 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13339 (alpha_mangle_fundamental_type): New.
13340 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13343 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13345 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13347 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13348 (sparc_mangle_fundamental_type): New.
13350 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13352 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13353 (s390x-*-linux*): Likewise.
13354 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13355 * config/s390/t-linux: New file.
13357 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13359 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13360 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13362 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13364 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13365 (ANTIC_SAFE_LOADS): New macro.
13366 (find_or_generate_expression): Add prototype.
13367 (set_contains_value): Allow null set for sake of not always having
13368 to allocate ANTIC_SAFE_LOADS.
13369 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13370 Allow COMPONENT_REF too.
13371 (valid_in_set): Allow COMPONENT_REF.
13372 Check ANTIC_SAFE_LOADS too.
13373 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13374 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13376 (can_PRE_operation): Add COMPONENT_REF.
13377 (create_component_ref_by_pieces): New function.
13378 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13379 (insert_aux): Move AGGREGATE_TYPE_P check here.
13380 (compute_avail): Set bb local stmt uids.
13381 (pass_pre): Use TODO_update_ssa_only_virtuals.
13383 2006-02-06 Ben Elliston <bje@au.ibm.com>
13385 * configure.ac: Unconditionally disable decimal float by default.
13386 * configure: Regenerate.
13388 2006-02-06 Ben Elliston <bje@au.ibm.com>
13390 * read-rtl.c (read_name): Terminate reading on EOF.
13392 2006-02-06 Ben Elliston <bje@au.ibm.com>
13394 * dfp.c (decimal_real_arithmetic): Change second argument type
13395 from int to enum tree_code. Do not always return true, but now
13396 return result of any call to decimal_do helper functions.
13397 * dfp.h (decimal_real_arithmetic): Update prototype.
13399 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13401 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13403 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13406 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13409 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13411 * tree-vrp.c (cfg_loops): Removed.
13412 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13413 Use current_loops instead of cfg_loops. Pass flags to
13414 loop_optimizer_init.
13415 * cfgloopmanip.c (fix_loop_structure): Update only available
13417 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13418 loop_optimizer_init.
13419 * modulo-sched.c (build_loops_structure): Removed.
13420 (sms_schedule): Use loop_optimizer_init.
13421 * loop-init.c (loop_optimizer_init): Use flags to determine
13422 which properties of loops to prepare.
13423 (rtl_loop_init): Pass flags to loop_optimizer_init.
13424 * tree-ssa-sink.c (execute_sink_code): Ditto.
13425 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13426 * tree-ssa-pre.c (init_pre): Ditto.
13427 * cfgloop.h (LOOPS_NORMAL): New.
13428 (loop_optimizer_init): Declaration changed.
13430 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13432 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13433 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13435 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13437 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13439 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13440 * pa/t-pa64: Delete quadlib.c rule.
13441 * pa/x-ada: Revert last change.
13442 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13444 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13446 PR rtl-optimization/26087
13447 * rtlanal.c (canonicalize_condition): Do not cross basic block
13450 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13453 * config/ia64/ia64.c: Include debug.h.
13454 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13455 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13456 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13457 (process_epilogue, process_set, process_for_unwind_directive):
13458 Output unwind info only if requested. Add CFA info if requested.
13459 Add new arguments as needed. Adjust callers.
13460 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13462 (DWARF2_FRAME_INFO): Define to zero.
13463 * config/ia64/unwind-ia64.c: Remove code that compensated for
13464 the CFA offset error fixed above.
13465 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13466 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13467 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13468 -funwind-tables and -fexceptions to enable frame info.
13469 (dwarf2out_frame_init): Define initial CFA even if
13470 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13471 DWARF2_UNWIND_INFO is nonzero, not just defined.
13472 (dwarf2out_frame_finish): Output non-EH call frame info only
13473 if DWARF2_FRAME_INFO is nonzero.
13474 (convert_cfa_to_loc_list,
13475 compute_frame_pointer_to_cfa_displacement): Define even if
13476 unwind info is not supported.
13477 (gen_subprogram_die): Use the above unconditionally. Remove
13478 legacy alternate code.
13479 * toplev.c (compile_file): Compile in call to
13480 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13481 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13483 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13484 Jakub Jelinek <jakub@redhat.com>
13486 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13487 IBM extended float format long double as "g" on powerpc*-linux.
13489 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13492 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13493 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13495 2006-02-03 Jason Merrill <jason@redhat.com>
13498 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13500 PR middle-end/25977
13501 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13502 on the return slot if it's an NRV.
13504 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13506 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13507 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13508 rewrite_use): Do not handle USE_OUTER.
13509 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13510 add_iv_outer_candidates, may_replace_final_value,
13511 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13512 (find_interesting_uses_op): Functionality of
13513 find_interesting_uses_outer_or_nonlin moved here.
13514 (find_interesting_uses_outside): Use find_interesting_uses_op.
13516 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13519 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13521 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13522 Ulrich Weigand <uweigand@de.ibm.com>
13525 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13526 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13527 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13528 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13530 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13531 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13532 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13533 Define secondary reloads for TFmode moves.
13534 (constant_modes): Add TFmode.
13535 (NR_C_MODES): Set to 8.
13536 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13538 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13539 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13540 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13541 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13542 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13543 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13544 (FPR mode macro): Add TFmode.
13545 (DSF mode macro): New.
13546 (<de>, <dee> mode attributes): Removed.
13547 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13548 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13549 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13550 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13551 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13552 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13553 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13554 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13555 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13556 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13557 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13558 "*negabs<mode>2", "sqrt<mode>2"):
13559 Changed <de> to <xde>. R constraint replaced by <Rf>.
13560 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13562 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13563 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13564 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13566 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13567 "extenddftf2", "extendsftf2"): New expanders.
13568 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13569 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13570 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13571 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13573 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13574 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13575 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13576 __floatditf): Add a GCC_4.1.0 symbol version tag.
13577 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13580 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13583 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13584 Use targetm.binds_local_p instead of TREE_PUBLIC.
13586 2006-02-02 Roger Sayle <roger@eyesopen.com>
13588 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13589 on INTEGER_TYPEs to indicate that it denotes a character type.
13590 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13591 signed_char_type_node, unsigned_char_type_node and char_type_node.
13592 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13593 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13594 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13596 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13597 Daniel Berlin <dberlin@dberlin.org>
13599 * tree-tailcall.c (arg_needs_copy_p): New function.
13600 (eliminate_tail_call): Use arg_needs_copy_p.
13601 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13602 (add_virtual_phis): New function.
13604 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13606 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13607 #ignore instead of #scratch for %g7 .register directive.
13609 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13611 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13614 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13616 * flow.c (calculate_global_regs_live): Assert that there aren't any
13619 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13621 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13622 what its name says.
13623 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13624 bsi_after_labels iterator.
13625 * tree-if-conv.c (find_phi_replacement_condition,
13626 replace_phi_with_cond_modify_expr): Likewise.
13627 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13628 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13630 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13632 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13634 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13637 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13638 array after growing it.
13640 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13642 PR middle-end/24901
13643 * fold-const.c (fold_checksum_tree): Change type of buf.
13645 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13647 * reload.c (push_secondary_reload): Initialize t_icode.
13649 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13651 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13652 -msoft-float -mlong-double-128 only issue a warning, but don't
13653 swich to DFmode long double.
13655 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13657 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13658 has a constant equivalent, iterate over equivalents for arg0,
13659 calling simplify_relational_operation and if there's a result
13660 cheaper than X, apply fold_rtx and return the result.
13662 2006-02-01 Jan Hubicka <jh@suse.cz>
13664 * opts.c (no_unit_at_a_time_default): New global variable.
13665 (decode_options): Use it.
13666 * opts.h (no_unit_at_a_time_default): Declare.
13668 2006-02-01 Paul Brook <paul@codesourcery.com>
13670 * function.c (assign_parm_setup_reg): Use function argument promotion
13672 * expr.c (expand_expr_real_1): Use function argument promotion rules
13675 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13677 * gcc.c (process_command): Change j to 'unsigned int'.
13679 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13681 PR middle-end/26001
13682 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13683 Use the corrected index for the character
13684 out of the string constant.
13686 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13688 * mode-switching.c (optimize_mode_switching): Fix size
13689 allocated for bb_info[n_entities].
13691 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13693 * gcc.c (main): Correct type that is allocated for
13694 explicit_link_files.
13696 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13698 * config/s390/s390.c (init_alignment_context): Set
13699 ALIAS_SET_MEMORY_BARRIER on the MEM.
13700 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13702 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13704 PR middle-end/25933
13705 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13707 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13710 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13712 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13713 * regrename.c: Ditto.
13714 * tree-ssa-loop-im.c: Ditto.
13715 * tree-dump.c: Ditto.
13716 * tree-complex.c: Ditto.
13717 * genrecog.c: Ditto.
13718 * tree-ssa-threadupdate.c: Ditto.
13720 * java/class.c: Ditto.
13721 * java/jcf-parse.c: Ditto.
13722 * java/resource.c: Ditto.
13723 * java/except.c: Ditto.
13724 * java/jvspec.c: Ditto.
13725 * java/jcf-write.c: Ditto.
13726 * java/jcf-path.c: Ditto.
13727 * java/gjavah.c: Ditto.
13728 * java/zextract.c: Ditto.
13729 * java/jcf-io.c: Ditto.
13730 * java/jcf.h: Ditto.
13731 * java/buffer.c: Ditto.
13732 * java/lang.c: Ditto.
13733 * java/parse-scan.y: Ditto.
13734 * java/lex.c: Ditto.
13735 * java/lex.h: Ditto.
13736 * cfgloopmanip.c: Ditto.
13737 * postreload-gcse.c: Ditto.
13738 * tree-ssa-loop-manip.c: Ditto.
13739 * postreload.c: Ditto.
13740 * tree-ssa-loop-ch.c: Ditto.
13743 * cppspec.c: Ditto.
13744 * diagnostic.c: Ditto.
13746 * genoutput.c: Ditto.
13748 * cfghooks.c: Ditto.
13749 * cfgloopanal.c: Ditto.
13750 * objc/objc-act.c: Ditto.
13752 * genextract.c: Ditto.
13753 * genautomata.c: Ditto.
13754 * pretty-print.c: Ditto.
13755 * genemit.c: Ditto.
13756 * cgraphunit.c: Ditto.
13758 * df-scan.c: Ditto.
13759 * haifa-sched.c: Ditto.
13760 * dominance.c: Ditto.
13762 * tree-ssa-loop-ivopts.c: Ditto.
13763 * df-core.c: Ditto.
13764 * mode-switching.c: Ditto.
13765 * modulo-sched.c: Ditto.
13767 * ipa-pure-const.c: Ditto.
13769 * fix-header.c: Ditto.
13771 * tree-stdarg.c: Ditto.
13772 * ipa-utils.c: Ditto.
13773 * loop-init.c: Ditto.
13774 * ipa-inline.c: Ditto.
13775 * cfganal.c: Ditto.
13777 * alloc-pool.c: Ditto.
13778 * dwarf2out.c: Ditto.
13780 * genattrtab.c: Ditto.
13781 * tree-ssa-loop-ivcanon.c: Ditto.
13782 * predict.c: Ditto.
13783 * timevar.c: Ditto.
13785 * fortran/gfortranspec.c: Ditto.
13786 * regmove.c: Ditto.
13787 * local-alloc.c: Ditto.
13788 * langhooks.c: Ditto.
13789 * function.c: Ditto.
13790 * tree-vectorizer.c: Ditto.
13792 * ipa-type-escape.c: Ditto.
13794 * tree-if-conv.c: Ditto.
13795 * profile.c: Ditto.
13797 * tree-data-ref.c: Ditto.
13798 * loop-unroll.c: Ditto.
13799 * treelang/treetree.c: Ditto.
13801 * bt-load.c: Ditto.
13802 * ggc-common.c: Ditto.
13804 * coverage.c: Ditto.
13806 * tree-cfgcleanup.c: Ditto.
13807 * tree-ssa-pre.c: Ditto.
13808 * cfgcleanup.c: Ditto.
13809 * loop-invariant.c: Ditto.
13810 * loop-iv.c: Ditto.
13811 * ipa-prop.c: Ditto.
13812 * print-tree.c: Ditto.
13813 * conflict.c: Ditto.
13814 * ggc-page.c: Ditto.
13815 * sched-deps.c: Ditto.
13816 * regclass.c: Ditto.
13817 * tree-object-size.c: Ditto.
13818 * combine.c: Ditto.
13819 * bb-reorder.c: Ditto.
13820 * resource.c: Ditto.
13821 * var-tracking.c: Ditto.
13822 * cfgloop.c: Ditto.
13823 * df-problems.c: Ditto.
13824 * reg-stack.c: Ditto.
13826 * gccspec.c: Ditto.
13827 * sched-rgn.c: Ditto.
13828 * tree-ssa-structalias.c: Ditto.
13829 * tree-ssa-reassoc.c: Ditto.
13830 * config/darwin-c.c: Ditto.
13831 * config/darwin.c: Ditto.
13832 * config/arm/arm.c: Ditto.
13834 * collect2.c: Ditto.
13835 * reload1.c: Ditto.
13837 2006-01-31 Nicolas Pitre <nico@cam.org>
13839 * arm.md (smaxsi3): Make aware of smax_m1.
13842 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13844 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13846 2006-01-31 Richard Guenther <rguenther@suse.de>
13848 * doc/invoke.texi (-msselibm): Document.
13849 * target.h (expand_library_builtin): New target hook.
13850 * builtins.c (expand_builtin): Use expand_library_builtin.
13851 (default_expand_library_builtin): New function.
13852 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13853 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13854 (link_gcc_math_spec): Declare.
13855 (static_specs): Add link_gcc_math_spec.
13856 * expr.h (default_expand_library_builtin): Declare.
13857 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13858 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13859 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13860 * config/i386/i386.opt (msselibm): New target option.
13861 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13862 (ix86_init_sse_abi_builtins): New function.
13863 (ix86_expand_library_builtin): Likewise.
13864 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13865 (override_options): Handle error conditions wrt -msselibm.
13866 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13867 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13868 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13871 2006-01-31 Richard Guenther <rguenther@suse.de>
13872 Paolo Bonzini <bonzini@gnu.org>
13874 * doc/install.texi (--disable-libgcc-math): Document.
13876 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13878 * expr.h (expand_normal): new inline function.
13879 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13880 * dojump.c: use it.
13881 * dwarf2out.c: use it.
13884 * expmed.c: use it.
13885 * except.c: use it.
13886 * config/sparc/sparc.c: use it.
13887 * config/i386/i386.c: use it.
13888 * config/rs6000/rs6000.c: use it.
13889 * config/arm/arm.c: use it.
13890 * config/mips/mips.c: use it.
13891 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13893 2006-01-30 Roger Sayle <roger@eyesopen.com>
13895 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13896 argv to the appropriate type.
13898 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13900 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13903 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13906 * config/s390/s390.c (struct machine_function): New flag
13907 decomposed_literal_pool_addresses_ok_p.
13908 (s390_reorg): Set it before final stage of literal pool transforms.
13909 (s390_decompose_address): Only accept displacements of the form
13910 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13912 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13914 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13915 the comparison routine return.
13917 2006-01-30 Michael Matz <matz@suse.de>
13919 * global.c (find_reg): Only evict for global regs.
13920 Take n_refs into account and dump more info.
13922 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13925 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13926 (pragma_trap, pragma_nosave_low_regs): Likewise.
13927 (current_function_anonymous_args): Likewise.
13928 (sh_deferred_function_attributes): New variable.
13929 (sh_deferred_function_attributes_tail): Likewise.
13930 (print_operand): For '@', look up trap_exit attribute.
13931 (calc_live_regs): Look up trapa_handler attribute. For trapa
13932 handlers, save/restore fpscr, but don't do any other
13933 interrupt-specific saves.
13934 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13935 Fix check for partially saved registers to check for SHmedia.
13936 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13937 (sh_output_function_epilogue): Don't clear any of the removed
13939 (sh_insert_attributes): Don't check pragma_interrupt.
13940 Insert deferred attributes. Check that interrupt attribute is
13941 present for other attributes that require its presence.
13942 (sh_attribute_table): Add new attributes trapa_handler and
13944 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13945 Don't check for pragma_interrupt. Don't store argument.
13946 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13947 (sh_deferred_function_attributes): Declare.
13948 (sh_deferred_function_attributes_tail): Likewise.
13949 * sh.md (sp_switch_1): Add operand. Change generator caller.
13950 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13951 (*return_i): Don't use when trap_exit attribute is in effect.
13952 (*return_trapa): New insn pattern.
13953 * sh-c.c: New file.
13954 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13955 setting c_target_objs and cxx_target_objs.
13956 * t-sh: Add rule for sh-c.o.
13958 2006-01-30 Richard Guenther <rguenther@suse.de>
13961 * gimplify.c (gimplify_target_expr): Handle easy cases
13962 without creating a temporary.
13964 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13966 * vec.h (safe_grow): Remove duplicated line.
13968 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13971 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13972 (expand_omp): ... here.
13973 (expand_omp_parallel): Only remove barriers for combined
13974 parallel+workshare constructs.
13976 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13980 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13981 * tree.c (build_qualified_type): Chain the new type to the original
13982 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13983 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13984 (build_pointer_type_for_mode): Only return unqualified types.
13985 (build_reference_type_for_mode): Likewise.
13987 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13989 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13990 * Makefile.in (CXX_COMPAT_WARN): Define.
13991 * configure: Regenerate.
13993 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13996 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13999 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14001 * toplev.c: Fix thinko.
14003 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14004 Marcin Dalecki <martin@dalecki.de>
14006 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14007 (push_srcloc): Use XNEW.
14008 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14010 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14012 * df-core.c (df_set_blocks): Deleted all variable.
14014 2006-01-28 Ian Lance Taylor <ian@airs.com>
14016 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14017 cgraph_output_pending_asms.
14019 2006-01-28 Zack Weinberg <zackw@panix.com>
14021 * c.opt: Add -W(no-)overlength-strings.
14022 * doc/invoke.texi: Document it.
14023 * c-opts.c (c_common_handle_option): -pedantic implies
14024 -Woverlength-strings, if not explicitly disabled already.
14025 (c_common_post_options): -Woverlength-strings defaults to off, and
14026 is always off for C++.
14027 * c-common.c (fix_string_type): Issue warning about strings longer
14028 than is portable only if warn_overlength_strings. Rearrange code
14029 a little for clarity.
14030 * configure.in: Check for -Wno-overlength-strings as well before
14031 enabling -pedantic in stage 1.
14032 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14033 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14035 * genconditions.c (write_header, write_one_condition)
14036 (write_conditions, write_writer): Consolidate very long strings
14037 that were broken up to fit in C89 portable limit. Don't use
14038 printf when fputs will do.
14040 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14042 * combine.c (simplify_comparison <AND>): Check
14043 TRULY_NOOP_TRUNCATION before start using a subreg.
14045 * config/mips/mips.md (*branch_zero<mode>,
14046 *branch_zero<mode>_inverted, *branch_equality<mode>,
14047 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14048 Remove mode check from comparisons.
14050 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14052 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14054 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14056 * expmed.c (const_mult_add_overflow_p): Remove.
14057 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14059 * recog.c (validate_replace_rtx_subexp): Remove.
14060 * recog.h: Remove the prototype for
14061 validate_replace_rtx_subexp.
14063 * integrate.h: Remove the prototype for
14064 copy_decl_for_inlining.
14065 * rtl.h: Remove the prototype for mark_constant_function.
14066 * tree-vectorizer.h: Remove the prototype for
14067 vect_strip_conversion.
14069 * modulo-sched.c (create_partial_schedule,
14070 free_partial_schedule, reset_partial_schedule): Make them
14073 * hooks.c (hook_bool_rtx_int_false): Remove.
14074 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14076 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14078 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14079 and -mlong-double-128 are incompatible.
14080 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14081 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14082 (TARGET_LIBGCC2_CFLAGS): Define.
14083 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14084 (TARGET_LIBGCC2_CFLAGS): Same.
14085 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14087 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14090 * c-typeck.c (build_binary_op): Perform implicit casts of
14091 operands before shortening them.
14093 * cfgloopmanip.c (split_loop_bb): Remove.
14094 * cfgloop.h: Remove the prototype for split_loop_bb.
14096 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14097 * cfgloop.h: Remove the prototype for
14098 flow_loop_outside_edge_p.
14100 * emit-rtl.c (init_virtual_regs): Make it static.
14101 * function.h: Remove the prototype for init_virtual_regs.
14103 * recog.c (peephole2_optimize): Make it static.
14104 * recog.h: Remove the prototype for peephole2_optimize.
14106 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14108 * df-scan.c (df_record_entry_block_defs): Check if
14109 INCOMING_RETURN_ADDR_RTX is defined.
14111 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14112 Kenneth Zadeck <zadeck@naturalbridge.com>
14114 PR rtl-optimization/24762
14115 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14116 * targhooks.c (hook_void_bitmap): New hook prototype.
14117 * targhoohs.h (hook_void_bitmap): Ditto.
14118 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14119 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14120 * target.h (live_on_entry): New function pointer.
14121 * df-scan.c (df_all_hard_regs): Removed.
14122 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14123 (df_scan_free_internal): Added df->entry_block_defs.
14124 (df_scan_alloc): Ditto.
14125 (df_scan_dump): Ditto.
14126 (df_uses_record): Plumbed flag field properly thru calls.
14127 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14128 This part fixes PR24762.
14129 (df_bb_refs_record): Added code to make the frame and arg
14130 pointers live in EH blocks.
14131 (df_refs_record): Added call to df_record_entry_block_defs.
14132 (df_record_entry_block_defs): New function.
14133 * df-core.c: Added comments to describe new artifical defs.
14134 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14135 (entry_block_defs): New field in struct df.
14136 (df_all_hard_regs): Deleted.
14137 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14138 * df-problems.c (df_ru_bb_local_compute_process_def):
14139 Added code to handle artifical defs in the entry to a function.
14140 (df_ru_bb_local_compute): Ditto.
14141 (df_rd_bb_local_compute_process_def): Ditto.
14142 (df_rd_bb_local_compute): Ditto.
14143 (df_lr_bb_local_compute): Ditto.
14144 (df_ur_bb_local_compute): Ditto.
14145 (df_urec_bb_local_compute): Ditto.
14146 (df_chain_create_bb): Ditto.
14147 (df_ur_local_finalize): Removed entry.
14148 (df_urec_init): Ditto.
14149 (df_urec_local_finalize): Ditto.
14150 (df_ri_bb_compute): Added detection of last use of pseudos.
14151 * Makefile.in (df-scan.o): Updated dependencies.
14152 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14153 * config/mips/mips.c (mips_set_live_on_entry): Added.
14154 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14156 * dce.c (marked_insn_p): Added code to handle artifical defs.
14158 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14160 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14162 (_mm_cvtsi128_si64): Likewise.
14163 (_mm_cvtsd_si64): Likewise.
14164 (_mm_cvttsd_si64): Likewise.
14165 (_mm_cvtsi64_sd): Likewise.
14166 (_mm_cvtsi64_si128): Likewise.
14167 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14168 (_mm_cvtsi64_m64): Likewise.
14169 (_m_to_int64): Likewise.
14170 (_mm_cvtm64_si64): Likewise.
14171 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14172 (_mm_cvttss_si64): Likewise.
14173 (_mm_cvtsi64_ss): Likewise.
14174 (_mm_cvtss_f32): Likewise.
14176 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14178 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14179 for pragma redefine_extname.
14181 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14184 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14185 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14186 -mno-minimal-toc to previous content.
14187 (bispecs): Remove goal.
14188 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14189 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14190 compatibility aliases on powerpc-*-*gnu*.
14191 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14192 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14193 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14194 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14195 (ldblspecs): New goal.
14196 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14197 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14199 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14200 L_sf_to_tf or L_df_to_tf is defined.
14202 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14203 Alan Modra <amodra@bigpond.net.au>
14206 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14207 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14208 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14209 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14210 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14211 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14212 (rs6000_override_options): Initialize rs6000_ieeequad.
14213 Initialize TFmode format to ibm_extended_format if not
14215 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14217 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14218 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14219 (function_arg_advance): IBM long double passed in two FPRs, not
14221 (function_arg): IBM long double passed in FPRs.
14222 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14223 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14224 Only multireg GPR aligned.
14225 (rs6000_init_libfuncs): Enable IBM long double functions if not
14227 (rs6000_generate_compare): Use IBM long double compare if not
14229 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14230 (TARGET_IEEEQUAD): Define.
14231 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14232 not TARGET_IEEEQUAD.
14233 * config/rs6000/rs6000.md: Enable TFmode patterns if
14235 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14236 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14237 and -mlong-double-128 are incompatible.
14238 * doc/invoke.texi (-mabi): Collect options together. Add
14239 ibmlongdouble and ieeelongdouble.
14241 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14243 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14245 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14246 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14247 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14248 * rtl.h (rtunion_def): Remove rt_ptr.
14250 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14251 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14252 * config/i386/winnt.c (i386_pe_mark_dllexport)
14253 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14255 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14257 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14259 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14263 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14264 pthread_key_delete. From John David Anglin. gthrw-ify
14265 pthread_getunique_np only if it it's not a macro. Delete
14267 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14268 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14269 __gthread_objc_condition_signal, __gthread_key_delete): Add
14270 "__attribute__ ((__unused__))" to unused arguments.
14271 (__gthread_recursive_mutex_init_function): Add missing return.
14272 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14273 gthr-posix95.h: Use macro-based approach for name redirection
14274 on targets missing weakref.
14276 2006-01-26 Zack Weinberg <zackw@panix.com>
14278 * genconditions.c (write_header): In generated code, #ifdef out
14279 all includes and fake declarations, except includes of bconfig.h
14280 and system.h, unless GCC_VERSION >= 3001. Do not include
14281 gensupport.h in any case.
14282 (write_conditions): Generate a definition of struct c_test. Add
14283 a comment to the generated #endif.
14284 (write_one_condition): Escape backslashes in string too.
14285 (write_writer): Generated code must escape backslashes and quote
14286 marks (but not newlines) in the strings it writes.
14287 * Makefile.in (build/gencondmd.o): Update dependencies.
14289 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14292 * Makefile.in (insn-automata.o): Add header file dependencies.
14293 * genautomata.c: Add includes.
14295 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14298 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14300 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14302 * configure.ac: Expect target tools paths to be passed from the toplevel
14303 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14305 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14307 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14310 * c.opt (Wpointer-sign): Init to -1.
14311 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14312 OPT_pedantic, to 0 otherwise.
14313 * doc/invoke.texi: Update.
14315 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14317 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14318 constants provided by 80387 instructions in the destination mode.
14320 2006-01-26 Richard Guenther <rguenther@suse.de>
14321 Andrew Pinski <pinskia@physics.uc.edu>
14324 partial PR tree-opt/17064
14325 * tree-ssa-structalias.c (intra_create_variable_infos):
14326 Create heap variables for incoming parameters if
14327 flag_argument_noalias > 1.
14328 (find_what_p_points_to): Look through default defs of
14331 2006-01-26 Jeff Law <law@redhat.com>
14334 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14335 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14336 within the VR_RANGE, use the VR_RANGE as the result, not the
14338 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14339 bounds for the type.
14341 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14343 * tree-ssa-alias.c (maybe_create_global_var): Change
14344 subvar walking to an assertion that we don't have subvar'd variables.
14346 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14349 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14350 Use a new variable, inner. PARM_DECLs are always non-weak.
14352 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14354 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14355 --disable-checking.
14357 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14359 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14361 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14363 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14364 (smax_insn, smin_insn, smax_0, smin_0): New.
14366 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14369 * config/cris/cris.c (cris_order_for_addsi3): New function.
14370 * config/cris/cris-protos.h: Prototype it.
14371 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14372 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14373 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14374 (split for "op.S1 [rx=rx+i],ry (swapped)")
14375 (split for "op(s|u).S1 [rx=rx+i],ry")
14376 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14377 Apply cris_order_for_addsi3 when generating addsi3 insns.
14379 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14381 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14382 (TREE_BLOCK): Add call to EXPR_CHECK.
14384 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14387 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14388 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14389 (dump_omp_clauses): ... here.
14390 (dump_generic_node): Handle OMP_CLAUSE.
14391 * tree.c (omp_clause_num_ops): New.
14392 (omp_clause_code_name): New.
14393 (tree_code_size): Handle OMP_CLAUSE.
14394 (tree_size): Likewise.
14395 (make_node): Document handling of OMP_CLAUSE.
14396 (tree_node_structure): Handle OMP_CLAUSE.
14397 (omp_clause_check_failed): New.
14398 (omp_clause_range_check_failed): New.
14399 (omp_clause_operand_check_failed): New.
14400 (build_omp_clause): New.
14401 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14402 * tree.h (enum omp_clause_code): Declare.
14403 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14404 (OMP_CLAUSE_RANGE_CHECK): Define.
14405 (OMP_CLAUSE_ELT_CHECK): Define.
14406 (omp_clause_check_failed): Declare.
14407 (omp_clause_operand_check_failed): Declare.
14408 (omp_clause_range_check_failed): Declare.
14409 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14410 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14411 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14412 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14413 (OMP_CLAUSE_IF_EXPR): Likewise.
14414 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14415 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14416 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14417 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14418 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14419 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14420 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14421 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14422 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14423 (OMP_CLAUSE_CODE): Define.
14424 (OMP_CLAUSE_SET_CODE): Define.
14425 (OMP_CLAUSE_CODE): Define.
14426 (OMP_CLAUSE_OPERAND): Define.
14427 (struct tree_omp_clause): Declare.
14428 (union tree_node): Add field 'omp_clause'.
14429 * treestruct.def (TS_OMP_CLAUSE): Define.
14430 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14431 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14432 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14433 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14434 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14435 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14436 (OMP_CLAUSE): Define.
14437 * print-tree.c (print_node): Handle OMP_CLAUSE.
14438 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14439 * c-typeck.c: Likewise.
14440 * gimplify.c: Likewise.
14441 * c-omp.c: Likewise.
14442 * tree-nested.c: Likewise.
14443 * tree-inline.c: Likewise.
14444 * c-parser.c: Likewise.
14445 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14448 2006-01-25 Roger Sayle <roger@eyesopen.com>
14450 PR rtl-optimization/25703
14451 * combine.c (try_combine): Handle zero_extract and strict_low_part
14452 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14454 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14456 * global.c: Fix comment typos.
14458 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14461 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14462 Use output_addr_const instead of assemble_name.
14464 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14466 * Makefile.in (sched-vis.o): Update dependencies.
14467 * haifa-sched.c (sched_finish): Clear current_sched_info.
14468 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14469 (dump_flow_info): Call it.
14470 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14472 * basic-block.h (dump_bb_info): Declare.
14473 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14474 option, and apply options only for dump files whose TDF_RTL,
14475 TDF_TREE, or TDF_IPA bits match.
14476 * rtl.h: Declare new functions exported from sched-vis.c.
14477 * sched-vis.c: Enable also if scheduling is not used.
14478 (print_value): Print the mode of registers if not inside scheduling.
14479 (print_insn): Make it work outside the scheduler. Beautify the output
14481 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14483 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14485 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14486 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14487 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14488 depending on the value of CONSTANT_POOL_ADDRESS_P.
14489 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14491 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14492 rather than SYMBOL_REF_DECL.
14493 (rtx_constant_pool): Remove const_rtx_sym_htab.
14494 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14495 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14496 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14497 Remove handling of const_rtx_sym_htab.
14498 (find_pool_constant): Delete.
14499 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14500 rather than find_pool_constant.
14501 (get_pool_constant_for_function): Delete.
14502 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14503 find_pool_constant.
14504 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14505 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14506 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14507 (SYMBOL_REF_CONSTANT): New macro.
14508 (get_pool_constant_for_function): Delete.
14509 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14510 rather than SYMBOL_REF_DECL.
14511 (i386_pe_mark_dllimport): Likewise.
14512 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14513 rather than SYMBOL_REF_DECL.
14514 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14515 (machopic_indirect_call_target): Likewise.
14517 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14519 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14521 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14523 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14525 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14527 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14529 2006-01-24 David Daney <ddaney@avtrex.com>
14532 * configure.ac (enable_tls): New enable option.
14533 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14534 * configure: Regenerate.
14535 * doc/install.texi (--enable-tls): Document new option.
14536 (--disable-tls): Ditto.
14538 2006-01-24 Richard Henderson <rth@redehat.com>
14540 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14541 * alias.c (true_dependence): Respect it.
14542 (canon_true_dependence, write_dependence_p): Likewise.
14543 * builtins.c (get_builtin_sync_mem): Set it.
14545 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14547 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14550 2006-01-24 DJ Delorie <dj@redhat.com>
14552 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14553 for storing constants in single-bit bitfields.
14555 2006-01-25 Ben Elliston <bje@au.ibm.com>
14557 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14559 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14562 * tree-ssa-pre.c (phi_translate): Return NULL
14563 for AGGREGATE_TYPE's.
14565 2006-01-24 Zack Weinberg <zackw@panix.com>
14567 * genautomata.c (process_state_for_insn_equiv_partition):
14568 Use xcalloc for insn_arcs_array.
14569 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14570 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14572 2006-01-24 Richard Henderson <rth@redhat.com>
14574 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14575 update all callers.
14577 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14579 PR rtl-optimization/25890
14580 PR rtl-optimization/25905
14581 * combine.c (expand_compound_operation, expand_field_assignment):
14582 Fail if the bitfield's final position is out of bounds.
14584 2006-01-24 Ian Lance Taylor <ian@airs.com>
14586 PR middle-end/25930
14587 * cgraphunit.c (cgraph_output_in_order): Don't clear
14588 cgraph_asm_nodes until after asm strings have been output.
14590 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14592 * fix-header.c (read_scan_file): Add new parameter imultilib when
14593 calling register_include_chains.
14595 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14597 * omp-low.c: Update documentation.
14599 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14600 Daniel Berlin <dberlin@dberlin.org>
14604 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14605 return from the function.
14607 2006-01-22 Zack Weinberg <zackw@panix.com>
14609 * rtl.def (match_code): Add second argument.
14610 * genpreds.c (write_extract_subexp): New function.
14611 (write_match_code): Add path argument. Use write_extract_subexp.
14612 (write_predicate_expr): Pass path to write_match_code.
14613 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14614 not perform a mode test.
14615 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14616 a subexpression does not constrain the top-level code set.
14617 * read-rtl.c (read_rtx_variadic): New function.
14618 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14619 * doc/md.texi: Document new notation.
14620 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14621 (cmpsi_operand): ... here, using new notation.
14623 2006-01-22 Zack Weinberg <zackw@panix.com>
14625 * varray.c: Remove GENERATOR_FILE #ifdefs.
14627 2006-01-22 Zack Weinberg <zackw@panix.com>
14629 * genautomata.c (output_reserved_units_table): Emit nothing if
14630 description->query_units_num is zero. Remove extra blank line.
14631 (output_cpu_unit_reservation_p): Short circuit
14632 if description->query_units_num is zero.
14634 2006-01-22 Zack Weinberg <zackw@panix.com>
14636 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14637 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14638 nor any of the random handful of variables that used to be necessary
14639 when this program was linked with rtlanal.o. Prune set of forward
14640 function declarations.
14641 (struct attr_desc): Remove static_p field.
14642 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14643 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14644 (attr_string): Do not read the character one past the length of
14646 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14647 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14648 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14649 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14650 (make_automaton_attrs): New.
14651 (main): Do not call into genautomata. Call local gen_bypass
14652 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14653 Remove special case for insn_alts.
14654 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14655 varray.h (leftover from previous change). Prune set of forward
14656 function declarations. Remove state_alts fields from all
14657 structures. Remove state_alts_table from struct automaton.
14658 Make everything except main static. Do not maintain num_dfa_decls.
14659 Do not maintain state_alts fields of various structures.
14660 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14661 (add_arc): Remove state_alts argument. All callers updated.
14662 (output_reserved_units_table): Emit #ifdef here...
14663 (output_tables): ...not here. Don't generate state_alts tables.
14664 (expand_automata): Don't generate attributes.
14665 (write_automata): Don't generate state_alts functions.
14666 (main): New function.
14667 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14668 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14669 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14670 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14671 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14672 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14673 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14674 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14676 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14677 * genattrtab.h: Delete file.
14678 * Makefile.in (OBJS-common): Add insn-automata.o.
14679 (insn-automata.o): New rule.
14680 (simple_generated_c): Add insn-automata.c.
14681 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14682 (genprogmd): Add automata.
14683 (build/genattrtab): Needs no extra objects nor libraries.
14684 (build/genautomata): Needs build/vec.o and -lm.
14686 2006-01-22 Zack Weinberg <zackw@panix.com>
14688 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14689 (output_dfa_max_issue_rate, locked_states_num): Delete.
14690 (struct automaton): Add locked_states field.
14691 (output_dead_lock_vect): Save number of locked states in
14692 automaton->locked_states. If it is zero, don't print anything.
14693 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14694 (output_internal_dead_lock_func): Only test the dead_lock_vect
14695 for automata that have locked states.
14696 (output_statistics): Always print the number of locked states for
14697 each automaton. Calculate total number of locked states here.
14698 (write_automata): Don't call output_dfa_max_issue_rate.
14699 * genattrtab.c: Define length_unit_log as a const variable.
14700 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14701 max_insn_queue_index const.
14702 * final.c (length_unit_log): Declare const.
14703 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14705 2006-01-22 Zack Weinberg <zackw@panix.com>
14707 * genautomata.c: Include vec.h, not varray.h.
14708 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14709 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14710 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14711 VEC_* macros operating on appropriately typed vectors, or to
14712 malloced arrays when the size is known in advance. Const-ify
14713 many char* variables and function arguments. No functional changes.
14714 * Makefile.in (build/varray.o): Delete rule.
14715 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14716 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14718 2006-01-22 Zack Weinberg <zackw@panix.com>
14720 * gensupport.c: Define get_insn_name and record_insn_name here.
14721 (read_md_rtx): Call record_insn_name as appropriate.
14722 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14723 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14724 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14726 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14727 (BUILD_VARRAY): Delete.
14728 (genprognormal): Rename genprogmd. Fold in all programs from
14729 genprognoprint; also attrtab.
14730 (build/genattrtab): Just mention genautomata.o and varray.o.
14731 Reorganize a bit, add comments to make the categories clearer.
14733 2006-01-22 Zack Weinberg <zackw@panix.com>
14735 * genconditions.c (condition_table, add_condition): Delete.
14736 (write_conditions): Don't emit n_insn_conditions nor
14737 insn_elision_unavailable. Issue the gcc version #ifdef here,
14738 inside the table, with no #else clause ...
14739 (write_header): ...not here.
14740 (write_writer): New function.
14741 (main): Don't initialize condition_table. Use add_c_test.
14743 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14744 files on the command line.
14745 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14746 Return -1 if there is no entry in the table, don't abort.
14747 (add_c_test, traverse_c_tests): New functions.
14748 * gensupport.h (insn_elision_unavailable, insn_conditions)
14749 (n_insn_conditions): Delete declarations.
14750 (add_c_test, traverse_c_tests): Declare.
14751 * read-rtl.c: Include gensupport.h.
14752 (read_conditions): New function.
14753 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14754 (read_rtx_1): If we get EOF when we were looking for an initial
14755 open paren, return 0. Call read_conditions when appropriate.
14756 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14757 dummy-conditions.o. Eliminate references to insn-conditions.o,
14758 or change them to build/gencondmd.o, as appropriate. Remove
14759 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14760 from $(simple_generated_c). For all files remaining in those
14761 two lists, add insn-conditions.md to the generator command line.
14762 Give insn-constants.h/s-constants their own rules. Add rules
14763 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14764 (build/read-rtl.o): Depend on gensupport.h.
14765 (genprognormal): Include preds.
14766 (genprogearly): Rename genprognoprint; only difference is now that
14767 they don't link with $(BUILD_PRINT).
14768 * dummy-conditions.c: Delete.
14770 2006-01-22 Zack Weinberg <zackw@panix.com>
14772 * genextract.c: Don't include insn-config.h. Do include vec.h.
14773 Declare vectors of int, char, and locstr.
14774 (locstr): New typedef.
14775 (struct extraction): Make all array fields into bare pointers.
14776 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14777 (insn_code_number): Delete.
14778 (accum_extract): New struct.
14779 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14780 (gen_insn): Take insn_code_number as an argument. Use an
14781 accum_extract structure instead of loading data directly into
14782 a struct extraction, and having to know how big it might get.
14783 (walk_rtx): Operate entirely on an accum_extract structure.
14784 (print_path): Avoid unnecessary use of printf.
14785 (print_header): New function, split out of main. Distinguish
14786 more carefully between an unrecognizable insn and an insn that
14787 has the code number of a define_expand.
14788 (main): Pass insn_code_number to gen_insn. Call print_header
14789 only after parsing. Avoid unnecessary use of printf.
14790 * Makefile.in (build/vec.o): New rule.
14791 (build/genextract): Depend on build/vec.o.
14792 (build/genextract.o): Don't depend on insn-config.h.
14794 2006-01-22 Zack Weinberg <zackw@panix.com>
14796 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14797 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14798 practical. Eliminate per-generator-program link rules.
14800 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14802 PR middle-end/24437
14803 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14804 with a call expr to ...
14805 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14807 2006-01-23 Richard Guenther <rguenther@suse.de>
14809 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14810 before make_edge with conditional EDGE_TRUE_VALUE.
14812 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14813 Jan Hubicka <jh@suse.cz>
14814 Richard Guenther <rguenther@suse.de>
14816 PR rtl-optimization/25654
14817 * cfgexpand.c (aggregate_contains_union_type): New function.
14818 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14819 for structure variables that contain a union type.
14821 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14823 * gengtype.c (new_structure): Return the structure.
14824 (create_option): Add an extra "next" argument.
14825 (create_field): New function.
14826 (adjust_field_rtx_def): Use create_option and create_field.
14827 Remove a now-unnecessary call to find_structure.
14828 (adjust_field_tree_def): Likewise.
14829 (note_yacc_type): Remove an unnecessary call to find_structure.
14830 * gengtype.h (new_structure): Return the structure.
14831 (create_option): Add an extra argument.
14832 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14833 (option): Adjust calls to create_option.
14835 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14837 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14839 2006-01-22 Paul Brook <paul@codesourcery.com>
14840 Peter Barada <peter@the-baradas.com>
14842 * config/m68k/m68k.md: Add Coldfire FPU support.
14843 Define FP mode macro and associated attributes.
14844 Use it for float mode patterns.
14845 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14846 (LIBCALL_VALUE): Use m68k_libcall_value.
14847 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14848 (m68k_function_value): Ditto.
14849 (emit_move_sequence): Ditto.
14850 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14851 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14852 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14853 (MULTILIB_EXCEPTIONS): Ditto.
14854 * config/m68k/m68k.opt: Add mcfv4e.
14855 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14856 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14857 (m68k_output_function_prologue): Save ColdFire FPU registers.
14858 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14859 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14860 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14861 ColdFire FPU registers.
14862 (m68k_libcall_value, m68k_function_value): New functions.
14863 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14864 (LIBCALL_VALUE): Use m68k_libcall_value.
14865 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14866 (MASK_COLDFIRE): Add MASK_CFV4E.
14867 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14868 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14869 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14870 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14871 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14872 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14873 * doc/invoke.tex: Document -mcfv4e on m68k.
14875 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14877 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14880 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14883 * c-opts.c (c_common_handle_option): Don't include
14884 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14885 * doc/invoke.texi (C++ Dialect Options): Document that
14886 -Wnon-virtual-dtor is no longer included in -Wall.
14888 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14890 * gcov.c (print_version), gcov-dump.c (print_version),
14891 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14894 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14896 * df-scan.c (problem_SCAN): Added NULL reset function.
14897 (df_scan_reset_blocks): Added code to call reset block function
14898 (df_bb_refs_delete) Fixed comment.
14899 (df_insn_refs_delete): Made tolerant of deleting non existent info
14900 for dataflow problems that need to be reset.
14901 * df-core.c (df_set_blocks): Ditto.
14902 * df.h (struct df_problem): Added reset_fun.
14903 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14904 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14905 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14906 functions to clear out all references to def-use or use-def chains.
14908 2006-01-21 Ben Elliston <bje@au.ibm.com>
14910 * varasm.c (assemble_real): Initialise data array.
14912 2006-01-20 Paul Brook <paul@codesourcery.com>
14914 Merge from csl-arm-branch.
14915 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14916 * config/arm/arm.md (movdi): Force operands[1] to a register
14917 if we have a non-register source.
14918 (*arm_movdi, *movdf_soft_insn): Require that one of the
14919 operands be a register.
14920 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14921 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14923 2006-01-20 DJ Delorie <dj@redhat.com>
14925 * varasm.c (initializer_constant_valid_p): Allow pointers
14926 initialized from integer constants of lesser precision.
14927 (output_constant): Allow non-int-sized pointer modes to be
14928 initialized from integer constants.
14930 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14933 * cppdefault.h (struct default_include): Add multilib flag.
14934 * cppdefault.c (cpp_include_defaults): Set it.
14935 * c.opt (-imultilib): New option.
14936 * c-opts.c (imultilib): New.
14937 (c_common_handle_option): Handle -imultilib.
14938 (c_common_post_options): Likewise.
14939 * c-incpath.c (add_standard_paths, register_include_chains):
14941 * c-incpath.h (register_include_chains): Add extra parameter.
14942 * gcc.c (do_spec_1): Generate -imultilib option.
14943 (The Specs Language): Update %I description.
14944 (process_command): Update copyright notice.
14945 * doc/cppopts.texi (-imultilib): Document.
14946 * doc/invoke.texi (-imultilib): Include in option summary.
14947 (%I): Update specs documentation.
14949 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14951 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14953 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14955 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14958 2006-01-20 Richard Guenther <rguenther@suse.de>
14959 Steven Bosscher <stevenb.gcc@gmail.com>
14961 PR rtl-optimization/24626
14962 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14963 EDGE_TRUE_VALUE if in RTL mode.
14966 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14967 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14969 2006-01-20 Dirk Mueller <dmueller@suse.com>
14972 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14973 instead of a special NOP marker.
14974 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14975 NOP marker handling.
14976 * c-common.h (empty_body_warning): Add forward declaration.
14977 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14978 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14980 2006-01-20 Paul Brook <paul@codesourcery.com>
14982 * Makefile.in (lang_checks): Keep going if mkdir fails.
14984 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14986 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14987 be able to clean out basic block when not necessary.
14988 (df_scan_free): Fixed to properly delete information if df is
14989 unused before calling df_finish.
14990 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14991 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14993 (df_bb_refs_delete): New function.
14994 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14995 * df-core.c (df_set_blocks): Added code to properly clean out
14996 unused blocks if they are not part of the blocks to consider.
14997 Added additional null check.
14998 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14999 be able to clean out basic block when not necessary
15000 * df.h (df_free_bb_function): Ditto.
15001 (df_bb_refs_delete): New function.
15002 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15003 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15004 basic block parameter to be able to clean out basic block when not
15006 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15007 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15008 Fixed to properly delete information if df is unused before
15011 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15013 PR rtl-optimization/25799
15014 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15015 Corrected confluence operator to remove bits from op2 before oring
15016 with op1 rather than removing bits from op1.
15017 (df_ru_transfer_function): Corrected test on wrong bitmap which
15018 caused infinite loop. Both of these problems were introduced in
15019 the dataflow rewrite.
15021 2006-01-19 DJ Delorie <dj@redhat.com>
15023 * reload1.c (find_reload_regs): Note the details of reload
15024 failures in the dump file.
15025 (spill_failure): Likewise.
15027 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15029 * loop-iv.c: Include df.h and hashtab.h.
15030 (enum iv_grd_result): New enum.
15031 (DF_REF_IV, DF_REF_IV_SET): New macros.
15032 (struct biv_entry): New.
15033 (df, bivs): New global variables.
15034 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15035 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15037 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15038 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15039 analyzed_for_bivness_p, record_biv): New functions.
15040 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15041 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15042 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15044 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15046 (iv_number_of_iterations): Use new interface to iv analysis.
15047 * loop-unroll.c: Do not include varray.h.
15048 (analyze_iv_to_split_insn): Use new interface to iv
15050 * loop-unswitch.c (may_unswitch_on): Ditto.
15051 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15053 (df_bb_modify): Realloc tables to the new index.
15054 (df_find_use): New function.
15055 * df.h (df_find_use): Declare.
15056 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15058 * cfgloop.h (struct rtx_iv): Remove analysed field.
15059 (iv_get_reaching_def): Removed.
15060 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15061 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15062 (loop-iv.o): Add df.h and hashtab.h dependency.
15063 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15065 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15068 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15070 (__floatundisf, __floatundidf): Likewise.
15071 * libgcc2.h (IS_IBM_EXTENDED): Define.
15073 2006-01-19 DJ Delorie <dj@redhat.com>
15075 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15077 2006-01-19 Paul Brook <paul@codesourcery.com>
15079 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15080 as nothrow when unwinding tables are disabled.
15082 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15085 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15086 of bit-field" when in system header.
15088 2006-01-19 DJ Delorie <dj@redhat.com>
15090 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15091 the 16 bit shift limit of the m16c.
15093 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15096 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15097 * config/i386/i386.c (output_set_got): Output the label if we have one
15098 for the TARGET_DEEP_BRANCH_PREDICTION case.
15100 2006-01-19 Jan Hubicka <jh@suse.cz>
15101 H.J. Lu <hongjiu.lu@intel.com>
15102 Evandro Menezes <evandro.menezes@amd.com>
15104 * invoke.texi (generic): Document
15106 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15107 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15108 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15109 (x86_use_incdec, x86_pad_returns): New variables
15110 (TARGET_CPU_DEFAULT_generic): New constant
15111 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15112 (enum processor_type): Add generic32 and generic64.
15113 * i386.md (cpu attribute): Add generic32/generic64
15114 (movhi splitter): Behave sanely when both partial_reg_dependency and
15115 partial_reg_stall are set.
15116 (K8 splitters): Enable for generic as well.
15117 * predicates.md (incdec_operand): Use TARGET_INCDEC
15118 (aligned_operand): Avoid memory mismatch stalls.
15119 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15120 * ppro.md: Enable for generic32
15121 * i386.c (generic64_cost, generic32_cost): New.
15122 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15123 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15124 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15125 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15126 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15127 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15128 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15129 x86_accumulate_outgoing_args, x86_prologue_using_move,
15130 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15131 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15132 Enable for generic.
15133 (x86_use_incdec, x86_pad_returns): New.
15134 (override_options): Add generic32 and generic64, translate "generic"
15135 to generic32/generic64 and "i686" to "generic32", refuse
15136 "generic32"/"generic64" as arch target.
15137 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15138 (ix86_reorg): Honor PAD_RETURNS.
15140 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15142 * tree-pretty-print.c (dump_generic_node): Handle
15143 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15144 * cgraph.c (cgraph_expand_queue): Rename from
15145 cgraph_analyze_queue. Update all users.
15146 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15147 cgraph_expand_queue.
15148 (cgraph_expand_all_functions): Likewise.
15149 (cgraph_finalize_pending_functions): Remove. Update callers.
15151 * tree.h (OMP_DIRECTIVE_P): Define.
15152 (OMP_PARALLEL_FN): Define.
15153 (OMP_PARALLEL_DATA_ARG): Define.
15154 (OMP_SECTIONS_SECTIONS): Define.
15155 * tree-pass.h (pass_expand_omp): Declare.
15156 * omp-low.c (struct omp_region): Declare.
15157 (struct omp_context): Remove fields 'parallel_type',
15158 'parallel_start_ix' and 'parallel_start_additional_args'.
15160 (struct omp_for_data): Rename from struct expand_omp_for_data.
15161 (omp_regions): New static variable.
15162 (root_omp_region): New static variable.
15163 (find_omp_clause): Make static.
15164 (is_in_combined_parallel_ctx): Remove.
15165 (is_combined_parallel): New.
15166 (extract_omp_for_data): Move earlier in the file.
15167 (workshare_safe_to_combine_p): New.
15168 (get_ws_args_for): New.
15169 (determine_parallel_type): Move earlier in the file.
15170 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15172 (omp_copy_decl): Likewise.
15173 (create_omp_child_function): Likewise.
15174 (lookup_omp_region): New.
15175 (dump_omp_region): New.
15176 (debug_omp_region): New.
15177 (debug_all_omp_regions): New.
15178 (new_omp_region): New.
15179 (scan_omp_parallel): If parallel_nesting_level > 1, the
15180 directive is nested within another parallel directive.
15181 Set OMP_PARALLEL_FN.
15182 (scan_omp_for): Do not try to handle combined parallel+for
15184 Remove FIXME comment.
15185 (scan_omp_nested): Remove.
15186 (scan_omp_1): Do not call scan_omp_nested when
15187 parallel_nesting_level is > 1.
15188 Do not change the DECL_CONTEXT of local variables found.
15189 (lookup_decl_in_outer_ctx): New.
15190 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15191 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15192 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15193 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15194 If CTX is nested, lookup VAR in the outer context when
15195 building copy assignment.
15196 (lower_send_clauses): Rename from expand_send_clauses.
15197 If CTX is nested, lookup VAR in the outer context when
15198 building copy assignments.
15199 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15200 If CTX is nested, lookup VAR in the outer context when
15201 building copy assignments.
15202 (expand_parallel_call): Rename from build_parallel_call.
15203 Handle combined parallel+workshare cases.
15204 Re-implement to emit code into the CFG.
15206 (expand_omp_parallel): Re-implement to emit code into the CFG.
15207 Call move_sese_region_to_fn to outline the sub-graph
15208 containing the parallel region.
15209 (expand_omp_for_1): Remove.
15210 (expand_omp_for_generic): Re-implement to emit code into the
15212 (expand_omp_for_static_nochunk): Likewise.
15213 (expand_omp_for_static_chunk): Likewise.
15214 (expand_omp_for): Likewise.
15215 (expand_omp_sections): Likewise.
15216 (remove_exit_barriers): New.
15217 (expand_omp_synch): New.
15219 (build_omp_regions_1): New.
15220 (build_omp_regions): New.
15221 (execute_expand_omp): New.
15222 (gate_expand_omp): New.
15223 (pass_expand_omp): Define.
15224 (lower_omp_sections): Rename from expand_omp_sections.
15225 Set OMP_SECTIONS_SECTIONS.
15226 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15227 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15228 (lower_omp_single): Rename from expand_omp_simple.
15229 (lower_omp_master): Rename from expand_omp_master.
15230 (lower_omp_ordered): Rename from expand_omp_ordered.
15231 (lower_omp_critical): Rename from expand_omp_critical.
15232 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15233 (lower_omp_for): Re-implement.
15234 (lower_omp_parallel): Re-implement.
15235 (lower_regimplify): Rename from expand_regimplify.
15236 (lower_omp_1): Rename from expand_omp_1.
15237 If there are syntax errors in the program, replace every
15238 OpenMP directive with NOP.
15239 Call lower_omp_* instead of expand_omp_*.
15240 (lower_omp): Rename from expand_omp.
15242 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15243 * tree-gimple.h (enum omp_parallel_type): Remove.
15244 (gimple_boolify): Declare extern.
15245 (find_omp_clause, determine_parallel_type): Remove.
15247 * gimple-low.c (lower_omp_directive): New.
15248 (lower_stmt): Call it.
15249 (record_vars_into): Move from ...
15250 (record_vars): ... here.
15251 Call record_vars_into with current_function_decl.
15253 * gimplify.c (struct gimplify_ctx): Remove fields
15254 combined_pre_p and combined_ctxp. Update users.
15255 (get_formal_tmp_var): Add documentation.
15256 (gimple_boolify): Make extern.
15257 (gimplify_expr_in_ctx): Remove. Update callers.
15258 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15259 will always be a BIND_EXPR.
15260 (gimplify_expr): Handle OMP_RETURN_EXPR.
15261 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15262 (OMP_PARALLEL): Add 3 operands.
15263 (OMP_SECTIONS): Add 1 operand.
15264 (OMP_RETURN_EXPR): Define.
15266 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15267 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15268 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15269 creating a circular free list.
15270 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15272 * tree-flow.h (move_sese_region_to_fn): Declare.
15273 (record_vars_into): Declare.
15274 * tree-cfg.c (make_omp_sections_edges): New.
15275 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15276 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15277 OMP_SECTIONS and OMP_SECTION.
15278 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15279 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15280 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15281 (gather_blocks_in_sese_region): New.
15282 (struct move_stmt_d): Declare.
15283 (move_stmt_r): New.
15284 (move_block_to_fn): New.
15285 (move_sese_region_to_fn): New.
15287 * passes.c (init_optimization_passes): Schedule
15288 pass_expand_omp after pass_init_datastructures.
15290 * tree-ssa-operands.c (get_expr_operands): Handle
15291 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15292 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15294 2006-01-19 Jeff Law <law@redhat.com>
15296 * tree-vrp.c (extract_range_from_assert): Refine the result range
15297 if the variable referenced by the ASSERT_EXPR has a range and
15298 either the tentative result range or the previous range is a
15301 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15303 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15305 2006-01-19 Jan Hubicka <jh@suse.cz>
15307 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15309 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15311 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15312 (expand_compound_operation, expand_field_assignment): Fail if the
15313 bit lengths of an extract operation are out of range.
15314 (make_extraction): Compute wanted_inner_mode based on the position
15315 and length of the extraction. Make it extraction_mode for non-constant
15316 positions, and do not modify offset in that case. When generating a
15317 new MEM, use a mode that can hold the extraction while keeping correct
15318 alignment. Remove code that supported MEMs wrapped by USEs.
15319 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15321 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15323 * config/s390/s390.md ("Y", "y"): New mode attribute.
15324 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15325 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15326 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15327 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15328 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15329 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15330 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15331 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15332 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15333 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15334 "addsi3", "subsi3"): Insn patterns removed.
15335 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15336 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15337 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15338 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15339 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15340 "*sub<mode>3_cconly2"): New insn patterns.
15341 ("addsi3", "subsi3"): New expanders.
15343 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15345 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15346 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15347 existing STMT_VINFO_VECTYPE if available.
15348 (vect_mark_relevant): Add special handling for stmts that are
15349 marked as STMT_VINFO_IN_PATTERN_P.
15350 (vect_analyze_loop): Call vect_pattern_recog.
15351 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15352 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15354 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15355 (vect_recog_func_ptr): New function-pointer type.
15356 * tree-vect-patterns.c: New file.
15357 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15358 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15359 (vect_pattern_recog_1): New functions.
15360 (vect_pattern_recog_funcs): New array of function pointers.
15362 * tree-vectorizer.h (ternary_op): New enum value.
15363 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15364 declaration. Revised documentation. Removed redundant dump prints.
15365 Removed redundant argument. Added support for reduction patterns.
15366 (vectorizable_reduction): Added support for reduction patterns.
15367 (vect_transform_stmt): Added support for patterns.
15369 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15370 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15371 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15372 (expand_widen_pattern_expr): New function.
15373 (init_optabs): Initialize new optabs udot_prod_optab,
15375 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15376 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15377 (expand_widen_pattern_expr): New function declaration.
15378 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15380 * tree-inline.c (estimate_num_insns_1): Added cases for new
15381 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15382 * tree-pretty-print.c (dump_generic_node): Likewise.
15383 (op_prio): Likewise.
15384 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15385 * tree-ssa-operands.c (get_expr_operands): Added case for
15387 * tree-vect-patterns.c (widened_name_p): New function.
15388 (vect_recog_dot_prod_pattern): Added function implementation.
15389 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15390 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15391 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15392 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15394 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15395 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15396 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15397 (init_optabs): Initialize new optabs widen_ssum_optab,
15399 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15400 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15401 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15402 use instead of type of def.
15403 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15404 function implementation.
15405 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15406 widen_ssumv8hi): New.
15408 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15411 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15414 * c-decl.c (add_flexible_array_elts_to_size): New function.
15415 (finish_decl): Use it.
15417 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15419 * diagnostic.h: Include options.h.
15420 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15421 dependancies for diagnostic.h.
15422 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15424 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15426 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15427 (ssa_ro_call_cache_valid): Ditto.
15428 * tree-ssa-alias.c (sort_tags_by_id): New function.
15429 (init_transitive_clobber_worklist): Ditto.
15430 (add_to_worklist): Ditto.
15431 (mark_aliases_call_clobbered): Ditto.
15432 (compute_tag_properties): Ditto.
15433 (set_initial_properties): Ditto.
15434 (compute_call_clobbered): Ditto.
15435 (compute_may_aliases): Call compute_call_clobbered and grouping.
15436 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15437 (compute_flow_insensitive_aliasing): Grouping now happens in our
15439 (setup_pointers_and_addressables): Remove clobbering related code.
15440 (add_may_alias): Ditto.
15441 (replace_may_alias): Ditto.
15442 (get_nmt_for): Ditto.
15443 (create_global_var):
15444 (is_escape_site): Return an escape_type enumeration.
15445 * tree-flow-inline.h (is_call_clobbered): Global var does not
15446 imply call clobbered.
15447 (mark_call_clobbered): Take a reason for marking this. Remove
15448 marking of globalness, and cache invalidation.
15449 (clear_call_clobbered): Remove cache invalidation code.
15450 * tree-dfa.c (dump_variable): If details is on, dump the reason
15452 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15454 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15455 (struct var_ann_d): Ditto.
15456 (enum escape_type): New.
15457 (mark_call_clobbered): Adjust prototype.
15458 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15459 are never call clobbered.
15460 Record reasons for escaping.
15461 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15462 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15463 (ssa_ro_call_cache_valid): Ditto.
15464 (clobbered_v_may_defs): Ditto.
15465 (clobbered_vuses): Ditto.
15466 (ro_call_vuses): Ditto.
15467 (clobber_stats): New.
15468 (init_ssa_operands): Zero out clobber stats.
15469 (fini_ssa_operands): Print out clobber stats.
15470 (get_call_expr_operands): Pass callee fndecl to
15471 add_call_read_ops).
15472 (add_call_clobber_ops): Remove use of cache.
15473 Add use of PURE_CONST information.
15474 (add_call_read_ops): Remove use of cache.
15475 Add use of static not_read information.
15477 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15479 Introduce TLS descriptors for i386 and x86_64.
15480 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15481 (TARGET_ANY_GNU_TLS): New macro.
15482 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15483 (struct machine_function): Add tls_descriptor_call_expanded_p.
15484 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15485 (ix86_current_function_calls_tls_descriptor): Likewise.
15486 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15487 (override_options): Introduce gnu2 tls dialect.
15488 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15490 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15492 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15493 (ix86_init_machine_status): Initialize new field.
15494 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15495 (ix86_tls_module_base): New.
15496 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15497 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15498 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15499 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15500 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15501 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15502 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15503 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15504 * config/i386/predicates.md (tls_modbase_operand): New.
15505 (tp_or_register_operand): New.
15507 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15509 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15510 (look_for_address_of): Ditto.
15511 (ipa_init): Walk the function decls.
15512 (static_execute): Don't set readonly on FUNCTION_DECL's.
15514 2006-01-18 Roger Sayle <roger@eyesopen.com>
15516 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15517 for shifts where the source and destination registers are different.
15519 2006-01-18 Paul Brook <paul@codesourcery.com>
15521 Merge from csl-arm-branch.
15522 2005-03-14 Julian Brown <julian@codesourcery.com>
15523 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15524 (aeabi_llsl): Likewise.
15525 (ashrdi3): Likewise.
15526 (aeabi_lasr): Likewise.
15527 (lshrdi3): Likewise.
15528 (aeabi_llsr): Likewise.
15529 2005-03-10 Julian Brown <julian@codesourcery.com>
15530 * config.gcc: Disable shared libgcc for SymbianOS.
15531 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15533 2006-01-18 DJ Delorie <dj@redhat.com>
15535 * c-pragma.c (handle_pragma_diagnostic): New.
15536 (init_pragma): Register it.
15537 * doc/extend.texi: Document it.
15539 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15540 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15541 (diagnostic_context): Add classify_diagnostic[].
15542 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15543 as errors if they're overridden to DK_WARNING.
15544 (diagnostic_initialize): Initialize classify_diagnostic[].
15545 (diagnostic_set_kind_override): New.
15546 (diagnostic_report_diagnostic): Check for kind changes.
15547 * opts.c (common_handle_option): Take lang_mask. Update callers.
15548 Handle OPT_Werror_.
15549 * common.opt (Werror=): New.
15550 * doc/invoke.texi: Document -Werror=*
15552 2006-01-18 Jeff Law <law@redhat.com>
15554 * tree-vrp.c (test_for_singularity): Correct test for new
15555 min limit. Use operand_equal_p rather than pointer equality
15556 for testing if new min/max values are equal.
15558 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15559 using range information until after propagation and folding.
15561 2006-01-18 Richard Henderson <rth@redhat.com>
15562 Aldy Hernandez <aldyh@redhat.com>
15563 Jakub Jelinek <jakub@redhat.com>
15564 Diego Novillo <dnovillo@redhat.com>
15566 * omp-low.c: New file.
15567 * c-omp.c: New file.
15569 2006-01-18 Richard Henderson <rth@redhat.com>
15570 Jakub Jelinek <jakub@redhat.com>
15571 Diego Novillo <dnovillo@redhat.com>
15573 * doc/invoke.texi: Document -fopenmp.
15574 * tree-dump.h (debug_function): Declare.
15575 * hooks.c (hook_bool_tree_bool_false): New function.
15576 (hook_tree_tree_null): Remove.
15577 (hook_tree_tree_tree_null): New.
15578 * hooks.h: Update to match.
15579 * tree-pretty-print.c (debug_tree_chain): New.
15580 (print_generic_expr): Handle TDF_CHAIN.
15581 (dump_generic_node): Handle BLOCK.
15582 Do not abort with incomplete SWITCH_EXPRs.
15583 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15584 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15585 print space after directive name.
15586 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15587 Handle OMP_MASTER and OMP_ORDERED.
15588 Handle printing of OMP_BODY just in one place, goto
15589 dump_omp_body in the rest of OMP_* nodes that have
15591 Don't handle clause nodes here. Update omp statements to
15592 use dump_omp_clauses.
15593 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15594 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15595 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15596 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15597 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15598 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15599 Adjust output for GOMP_PARALLEL.
15600 (dump_omp_clauses): New.
15601 (print_declaration): Dump DECL_VALUE_EXPR.
15602 (op_symbol_1): Split out of op_symbol.
15603 (dumping_stmts): Remove. Update all users.
15604 * cgraph.c (cgraph_analyze_queue): New.
15605 (cgraph_add_new_function): New.
15606 * cgraph.h (cgraph_analyze_queue): Declare.
15607 (cgraph_add_new_function): Declare.
15608 (cgraph_lower_function): Remove.
15609 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15610 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15611 and TYPE_P nodes in its default clause.
15612 (empty_body_p): New.
15613 (tree_range_check_failed): New.
15614 (build5_stat): New.
15615 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15616 OMP_CLAUSE_REDUCTION_MERGE,
15617 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15618 OMP_CLAUSE_PRIVATE_DEBUG,
15619 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15620 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15621 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15622 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15623 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15624 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15625 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15626 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15627 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15628 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15629 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15630 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15631 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15632 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15633 (TREE_RANGE_CHECK): New.
15634 (empty_body_p): Declare.
15635 (enum omp_clause_default_kind): New.
15636 (build_string_literal): Declare.
15637 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15638 (build5_stat, build5): Declare.
15639 * tree-pass.h (TDF_CHAIN): Define.
15640 * tree-pass.h (PROP_gimple_lomp): Define.
15641 (pass_lower_omp): Declare.
15642 * diagnostic.h (debug_tree_chain): Declare.
15643 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15645 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15646 * builtins.c (build_string_literal): Make extern.
15647 * gcc.c (include_spec_function): New.
15648 (static_spec_functions): Add it.
15649 (main): Move load of libgomp.spec ...
15650 (LINK_COMMAND_SPEC): ... here.
15651 (link_gomp_spec): New.
15652 (static_specs): Include it.
15653 (LINK_COMMAND_SPEC): Add link_gomp.
15654 (GOMP_SELF_SPECS): New.
15655 (driver_self_specs): Include it.
15656 (switch_matches): Don't mark inline.
15657 (main): Load libgomp.spec.
15658 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15659 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15660 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15661 * tree-gimple.h (enum omp_parallel): Declare.
15662 (determine_parallel_type): Declare.
15663 (omp_firstprivatize_variable): Declare.
15664 (omp_reduction_init): Declare.
15665 (diagnose_omp_structured_block_errors): Declare.
15666 (struct walk_stmt_info): Add want_return_expr.
15667 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15668 (find_omp_clause): Declare.
15669 (insert_field_into_struct): Declare.
15670 (struct walk_stmt_info): Move from tree-nested.c
15671 (walk_stmts): Declare.
15672 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15674 * cgraphunit.c (cgraph_lower_function): Make static.
15675 (cgraph_finalize_pending_functions): New.
15676 (cgraph_finalize_function): Call it.
15677 (cgraph_finalize_compilation_unit): Likewise.
15678 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15679 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15680 (BT_FN_UINT_UINT): New.
15681 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15682 DEF_FUNCTION_TYPE_VAR_4): Document.
15683 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15684 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15685 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15686 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15687 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15688 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15689 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15690 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15691 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15692 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15693 into separate files.
15694 (DEF_GOMP_BUILTIN): New.
15695 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15696 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15697 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15698 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15699 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15700 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15701 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15702 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15703 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15704 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15705 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15706 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15707 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15708 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15709 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15710 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15711 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15712 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15713 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15714 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15715 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15716 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15717 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15718 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15719 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15720 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15721 * sync-builtins.def: New file, moved from builtins.def.
15722 * omp-builtins.def: New file, moved from builtins.def.
15723 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15724 * gimple-low.c (lower_function_body): Clear data.
15725 (lower_stmt): Do not handle COMPOUND_EXPR.
15726 Remove call to print_node_brief.
15727 * c-tree.h (c_finish_omp_clauses): New prototype.
15728 (C_DECL_THREADPRIVATE_P): Define.
15729 (lookup_name_no_remap, c_omp_remap_private): Remove
15730 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15731 (check_for_loop_decls): Update decl.
15732 (lookup_name_no_remap, c_omp_remap_private): Declare.
15733 (build_indirect_ref, build_modify_expr, pushdecl,
15734 pushdecl_top_level): Move to c-common.h.
15735 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15736 before the switch, but just in the 2 places that need it.
15737 * c-decl.c (diagnose_mismatched_decls): Do not check for
15738 mismatched thread-local attributes when OLDDECL is marked
15739 threadprivate and NEWDECL has no thread-local attributes.
15740 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15741 (c_gimple_diagnostics_recursively): Rename from
15742 c_warn_unused_result_recursively. Invoke
15743 diagnose_omp_structured_block_errors.
15744 (check_for_loop_decls): Return a singular decl found.
15745 * langhooks.c (lhd_omp_predetermined_sharing): Return
15746 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15747 (lhd_omp_firstprivatize_type_sizes): New.
15748 (lhd_omp_assignment): New.
15749 (lhd_omp_predetermined_sharing): New.
15750 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15751 (struct lang_hooks_for_types): Add
15752 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15753 omp_predetermined_sharing, omp_disregard_value_expr,
15754 omp_private_debug_clause, omp_clause_default_ctor,
15755 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15756 (c_finish_omp_clauses): New.
15757 (c_finish_bc_stmt): Diagnose break within omp for.
15758 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15759 (build_unary_op): Return error_mark after reporting
15761 (build_modify_expr): Likewise.
15762 * gimplify.c: Include optabs.h and pointer-set.h.
15763 (enum gimplify_omp_var_data): Declare.
15764 (struct gimplify_omp_ctx): Declare.
15765 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15767 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15768 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15769 (splay_tree_compare_decl_uid): New.
15770 (new_omp_context): New.
15771 (delete_omp_context): New.
15772 (gimple_add_tmp_var): Call omp_add_variable.
15773 (gimplify_bind_expr): Likewise.
15774 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15775 true, disregard DECL_VALUE_EXPR on the decl if any.
15776 (gimplify_expr_in_ctx): New.
15777 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15778 omp_add_variable, omp_notice_variable, omp_is_private
15779 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15780 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15781 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15782 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15783 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15784 gimplify_omp_atomic): New.
15785 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15786 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15787 OMP_CRITICAL and OMP_ATOMIC.
15788 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15789 * c-pragma.h (enum pragma_kind): Add
15790 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15791 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15792 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15793 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15794 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15795 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15796 PRAGMA_OMP_THREADPRIVATE.
15797 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15798 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15799 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15800 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15801 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15802 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15803 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15804 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15805 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15806 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15807 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15808 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15809 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15811 (struct nesting_info): Add field_map,
15812 suppress_expansion, debug_var_chain.
15813 (create_nesting_tree): Initialize them.
15814 (lookup_field_for_decl): Use field_map.
15815 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15816 (convert_local_omp_clauses): New.
15817 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15818 (walk_body): Split out of walk_function.
15819 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15820 (convert_nonlocal_reference): Handle omp statements.
15821 (convert_local_reference): Likewise.
15822 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15823 (unnest_nesting_tree): New.
15824 (lower_nested_functions): Call it.
15825 (insert_field_into_struct): Make extern.
15826 (struct walk_stmt_info): Move to tree-gimple.h.
15827 (walk_stmts): Make extern.
15828 * omp-builtins.def: New file.
15829 * tree-iterator.c (expr_only): Clarify comment.
15830 * c-common.h (pushdecl_top_level, pushdecl,
15831 build_modify_expr, build_indirect_ref,
15832 c_finish_omp_master, c_finish_omp_critical,
15833 c_finish_omp_ordered, c_finish_omp_barrier,
15834 c_finish_omp_atomic, c_finish_omp_flush,
15835 c_finish_omp_for, c_split_parallel_clauses,
15836 omp_clause_default_kind, c_omp_sharing_predetermined,
15837 c_omp_remap_decl): Declare.
15838 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15839 (OBJS-common): Add omp-low.o.
15840 (c-omp.o, omp-low.o): Add.
15841 (gimplify.o): Add dependency on $(OPTABS_H).
15842 (GTFILES): Add omp-low.c.
15843 (gt-stringpool.h): Add.
15844 * tree-cfg.c (set_bb_for_stmt): Do not update the
15845 block-to-labels map if we are currently expanding to RTL.
15846 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15848 Handle IDENTIFIER_NODE.
15849 (tree_verify_flow_info): Do not ICE when emitting error
15850 messages about invalid labels.
15851 (dump_function_to_file): Reset CFUN before emitting the body
15853 (debug_function): New.
15854 * passes.c (init_optimization_passes): Schedule
15856 * langhooks-def.h (lhd_omp_predetermined_sharing,
15857 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15859 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15860 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15861 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15862 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15863 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15864 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15865 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15866 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15867 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15868 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15869 (LANG_HOOK_DECLS): Use them.
15871 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15872 Richard Henderson <rth@redhat.com>
15873 Jakub Jelinek <jakub@redhat.com>
15874 Diego Novillo <dnovillo@redhat.com>
15876 * c-parser.c (pragma_omp_clause): Define.
15877 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15878 (c_parser_compound_statement): Likewise.
15879 (c_parser_statement): Likewise.
15880 (c_parser_pragma): Handle omp pragmas.
15881 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15882 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15883 (c_parser_omp_clause_name, check_no_duplicate_clause,
15884 c_parser_omp_variable_list,
15885 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15886 c_parser_omp_clause_copyprivate,
15887 c_parser_omp_clause_default,
15888 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15889 c_parser_omp_clause_lastprivate,
15890 c_parser_omp_clause_nowait,
15891 c_parser_omp_clause_num_threads,
15892 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15893 c_parser_omp_clause_reduction,
15894 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15895 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15896 c_parser_omp_atomic, c_parser_omp_barrier,
15897 c_parser_omp_critical, c_parser_omp_flush,
15898 c_parser_omp_for_loop, c_parser_omp_for,
15899 c_parser_omp_master, c_parser_omp_ordered,
15900 c_parser_omp_sections_scope, c_parser_omp_sections,
15901 c_parser_omp_parallel, c_parser_omp_single,
15902 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15903 * c-pragma.c (init_pragma): Do omp pragma registration here.
15904 * c.opt (fopenmp): New flag.
15906 2006-01-18 Eric Christopher <echristo@apple.com>
15908 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15909 * config/darwin.h (GOMP_SELF_SPECS): Define.
15911 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15913 * rtl.h: Remove the prototype for reg_alloc.
15915 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15918 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15919 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15920 sjlj and dwarf2 exception handling.
15921 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15922 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15923 * pa/pa.c (function_value): Treat complex and vector types as
15925 (function_arg): Likewise. Only pass scalar floats in the floating
15926 point argument registers.
15927 * pa/t-slibgcc-dwarf-ver: New file.
15928 * pa/t-slibgcc-sjlj-ver: New file.
15929 * pa/t-slibgcc-elf-ver: Delete file.
15931 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15933 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15934 unlikely_test_section_p test.
15936 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15938 * mode-switching.c (optimize_mode_switching): Make it static.
15939 * basic-block.h: Remove the prototype for
15940 optimize_mode_switching.
15942 * modulo-sched.c (sms_schedule): Make it static.
15943 * rtl.h: Remove the prototype for sms_schedule.
15945 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15946 * rtl.h: Remove the prototype for gcse_after_reload_main.
15948 * reg-stack.c (reg_to_stack): Make it static.
15949 * rtl.h: Remove the prototype for reg_to_stack.
15951 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15953 * rtl.h: Remove the prototypes for regrename_optimize and
15954 copyprop_hardreg_forward.
15956 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15958 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15959 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15960 Test against the appropriate null constant for the mode.
15961 If 'fixup_overlap' is true, swap the operands if they overlap.
15962 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15963 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15964 alpha_split_tmode_pair and adjust for above change.
15965 * config/alpha/alpha.md (movtf_internal): Adjust call to
15966 alpha_split_tfmode_pair and rely on it to swap the operands.
15967 (movti_internal): New insn and post-reload splitter.
15968 (movti): New expander.
15970 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15972 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15975 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15977 * rtlanal.c (global_reg_mentioned_p_1,
15978 global_reg_mentioned_p): Remove.
15979 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15981 * flow.c (initialize_uninitialized_subregs): Make it static.
15982 * rtl.h: Remove the prototype for
15983 initialize_uninitialized_subregs.
15985 * function.c (instantiate_virtual_regs): Make it static.
15986 * function.h: Remove the prototype for
15987 instantiate_virtual_regs.
15989 * regmove.c (regmove_optimize, combine_stack_adjustments):
15991 * rtl.h: Remove the prototypes for regmove_optimize and
15992 combine_stack_adjustments.
15994 2006-01-17 Roger Sayle <roger@eyesopen.com>
15996 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15997 (size_cost): Encode costs in bytes so that a reg-reg addition is
15998 equivalent to COSTS_N_INSNS(1).
15999 (override_options): Use the size_cost.branch_cost as the default
16000 ix86_branch_cost when optimizing for size.
16002 2006-01-18 Ben Elliston <bje@au.ibm.com>
16004 * Makefile.in (D32PBIT_FUNCS): New.
16005 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16006 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16007 D64PBIT_FUNCS and D128PBIT_FUNCS.
16008 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16009 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16011 (decnumber_dep): Define.
16012 * doc/libgcc.texi (Decimal float library routines): New node.
16013 * config/dfp-bit.h, config/dfp-bit.c: New files.
16015 2006-01-18 Ben Elliston <bje@au.ibm.com>
16017 * expr.c (emit_move_change_mode): Always adjust addresses, not
16018 just during reload. Copy replacements only during reload.
16019 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16020 emit_move_via_integer.
16022 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16024 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16025 instead of $(srcdir) and ${srcdir}.
16027 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16030 PR middle-end/11135
16031 * arm.h (struct machine_function): Add pic_reg.
16032 * arm.c (arm_pic_register): Make unsigned.
16033 (arm_override_options): Only set arm_pic_register if
16034 TARGET_SINGLE_PIC_BASE.
16035 (use_return_insn): Only test for a pic register if it is fixed.
16036 (arm_compute_save_reg0_reg12_mask): Likewise.
16037 (thumb_compute_save_reg_mask): Likewise.
16038 (legitimate_pic_operand): Factor out some known invariants.
16039 (legitimize_pic_address): If we don't have a fixed pic register,
16040 then set up a pseudo in the function entry sequence. Handle the
16041 pic base being in a pseudo.
16042 (arm_load_pic_register): Handle the pic register being in a pseudo.
16043 (arm_expand_prologue): Only set up the pic register if it is fixed.
16044 (thumb_expand_prologue): Likewise.
16045 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16046 (pic_load_addr_based_insn): Likewise.
16047 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16050 2006-01-18 Ben Elliston <bje@au.ibm.com>
16052 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16053 decimal float modes for all floating point registers.
16055 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16056 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16058 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16061 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16062 even when the pointer is not NULL.
16064 2006-01-16 Ian Lance Taylor <ian@airs.com>
16066 * common.opt (ftoplevel-reorder): New option.
16067 * cgraph.c (cgraph_asm_nodes): New global variable.
16068 (cgraph_asm_last_node): New static variable.
16069 (cgraph_order): New global variable.
16070 (cgraph_create_node): Set new order field.
16071 (cgraph_varpool_node): Likewise.
16072 (decide_is_variable_needed): Return true if not
16073 flag_toplevel_reorder.
16074 (cgraph_add_asm_node): New function.
16075 * cgraph.h (struct cgraph_node): Add order field.
16076 (struct cgraph_varpool_node): Add order field.
16077 (struct cgraph_asm_node): Define.
16078 (cgraph_asm_nodes, cgraph_order): Declare.
16079 (cgraph_add_asm_node): Declare.
16080 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16082 (cgraph_varpool_assemble_pending_decls): Call it.
16083 (cgraph_output_pending_asms): New static function.
16084 (cgraph_finalize_compilation_unit): Call it.
16085 (struct cgraph_order_sort): Define.
16086 (cgraph_output_in_order): New static function.
16087 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16088 !flag_toplevel_reorder case.
16089 * c-parser.c: Include "cgraph.h".
16090 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16092 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16093 than -fno-unit-at-a-time.
16094 * doc/invoke.texi (Option Summary): Mention
16095 -fno-toplevel-reorder.
16096 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16097 -funit-at-a-time documentation.
16099 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16100 Kazu Hirata <kazu@codesourcery.com>
16102 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16104 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16106 * Makefile.in (FUNCTION_H): New. Use it instead of
16107 function.h throughout the file.
16108 * function.h: Include tree.h.
16110 2006-01-17 Ben Elliston <bje@au.ibm.com>
16112 * recog.c: Separate some functions with whitespace.
16114 2006-01-16 Richard Henderson <rth@redhat.com>
16116 Merge from gomp branch:
16117 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16118 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16119 and rename from struct inline_data. Rename callee* to dst*;
16120 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16121 transform_new_cfg, transform_return_to_modify, and
16122 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16124 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16125 (copy_decl_for_dup): Remove.
16126 * tree-inline.c (struct inline_data): Move to header.
16127 (insert_decl_map): Export.
16128 (remap_decl): Update for member name changes. Use copy_decl hook.
16129 Allow for replacement to be a non-decl. Remove dead code.
16130 (remap_type_1): Check for existing mapping.
16131 (remap_type): Export.
16132 (remap_decls): Update for member name changes.
16133 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16134 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16135 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16136 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16137 (tree_function_versioning, build_duplicate_type): Likewise.
16138 (copy_body_r): Likewise. Export.
16139 (copy_decl_for_dup): Split into ...
16140 (copy_decl_for_dup_finish, copy_decl_to_var,
16141 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16142 (replace_ref_tree, inlining_p): Remove.
16144 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16146 * ifcvt.c (if_convert): Make it static.
16147 * rtl.h: Remove the prototype for if_convert.
16149 * local-alloc.c (local_alloc): Make it static.
16150 * rtl.h: Remove the prototype for local_alloc.
16152 * loop.c (loop_optimize): Make it static.
16153 * cfgloop.h: Remove the prototype for loop_optimize.
16156 2006-01-16 DJ Delorie <dj@redhat.com>
16158 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16161 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16163 * pa.md: Disparage copies between general and floating-point registers
16164 in 32-bit move patterns.
16166 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16169 * Makefile.in (check-%): Depend on site.exp instead of
16170 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16173 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16175 * global.c (global_alloc): Make it static.
16176 * rtl.h: Remove the prototype for global_alloc.
16178 2006-01-16 Richard Guenther <rguenther@suse.de>
16180 * tree-ssa-alias.c (struct used_part): Add write_only field.
16181 (get_or_create_used_part_for): Initialize it to true.
16182 (create_overlap_variables_for): Don't create structure variables
16183 for structures that only are written to.
16184 (find_used_portions): Handle MODIFY_EXPR to track whether a
16185 structure is only written to.
16187 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16189 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16191 * basic-block.h: Remove the prototype for
16192 partition_hot_cold_basic_blocks.
16194 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16196 * cppspec.c (lang_specific_spec_functions): Remove.
16197 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16198 * gcc.h (lang_specific_spec_functions): Remove.
16199 * gccspec.c (lang_specific_spec_functions): Remove.
16201 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16203 * combine.c (record_value_for_reg): Invalidate registers
16205 (record_dead_and_set_regs_1): Likewise, by passing them to
16206 record_value_for_reg.
16207 (record_dead_and_set_regs): Invalidate stores made by a
16208 call. We do not combine across a call, but we still
16209 relied on equivalences.
16211 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16213 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16214 vrp_int_const_binop returning non-constant nodes.
16216 2006-01-16 Paul Brook <paul@codesourcery.com>
16218 * config/m68k/m68k.c (output_move_const_into_data_reg):
16219 Output correct mnemonic for mvz and mvs.
16221 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16223 * rtl-factoring.c: Add sequence abstraction algorithm.
16224 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16225 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16227 (block_has_preserve_label): New function.
16228 * common.opt: Register new pass.
16229 * Makefile.in: Ditto.
16231 * timevar.def: Ditto.
16232 * tree-pass.h: Ditto.
16233 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16234 * rtl.h (make_jump_insn_raw): Add forward decl.
16235 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16237 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16238 Roger Sayle <roger@eyesopen.com>
16240 * fold-const.c (fold_minmax): New static function.
16241 (fold_binary) <MIN_EXPR>: Call it.
16242 <MAX_EXPR>: Likewise.
16243 * stor-layout.c (place_field): Use DECL_SIZE consistently
16244 in the computation of the new record size.
16246 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16248 * cse.c (cse_condition_code_reg): Make it static.
16249 * rtl.h: Remove the prototype for cse_condition_code_reg.
16251 * combine.c (combine_instructions): Make it static.
16252 * rtl.h: Remove the prototype for combine_instructions.
16254 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16257 * tree.c (get_file_function_name_long): Concatenate the first global
16258 object name with a string derived from the input filename of the object
16261 2006-01-16 Ben Elliston <bje@au.ibm.com>
16263 * config/i386/winnt-stubs.c: Update FSF address.
16264 * config/xtensa/ieee754-df.S: Ditto.
16265 * config/xtensa/ieee754-sf.S: Ditto.
16267 2006-01-14 Ian Lance Taylor <ian@airs.com>
16269 * ifcvt.c (noce_init_if_info): New static function, broken out of
16270 noce_process_if_block.
16271 (noce_process_if_block): Call noce_init_if_info.
16272 (check_cond_move_block): New static function.
16273 (cond_move_process_if_block): New static function.
16274 (process_if_block): Call cond_move_process_if_block.
16276 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16278 * cselib.c (hash_table): Rename to cselib_hash_table.
16279 (cselib_clear_table, discard_useless_values,
16280 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16281 cselib_init, cselib_finish): Adjust uses of hash_table.
16283 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16285 PR tree-optimization/25485
16286 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16287 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16288 is known to be false and true, respectively.
16290 2006-01-14 Richard Guenther <rguenther@suse.de>
16292 PR tree-optimization/22548
16293 PR tree-optimization/22555
16294 PR tree-optimization/22501
16295 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16296 * params.def (salias-max-array-elements): New parameter.
16297 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16298 * doc/invoke.texi (salias-max-array-elements): Document.
16299 * tree-flow-inline.h (var_can_have_subvars): We also handle
16301 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16303 * tree-ssa-structalias.c (params.h): Include.
16304 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16305 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16306 (get_constraint_for): For ADDR_EXPR operating on something
16307 containing an ARRAY_REF, add all subvars to the solution.
16308 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16309 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16310 for creating MUST_DEFs.
16311 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16313 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16315 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16317 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16318 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16319 number_of_iterations_le): New functions.
16320 (number_of_iterations_special): Removed.
16321 (number_of_iterations_exit): Do not use number_of_iterations_special.
16322 * tree.c (unsigned_type_for): Always return integer type.
16324 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16325 Richard Guenther <rguenther@suse.de>
16327 PR rtl-optimization/24257
16328 * gcse.c (find_moveable_store): Only consider a store movable
16329 when the SET_SRC of the insn can be assigned to a register.
16331 2006-01-14 Ian Lance Taylor <ian@airs.com>
16333 * tree.c (tree_not_class_check_failed): New function.
16334 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16335 (tree_not_class_check_failed): Declare.
16337 2006-01-13 Ian Lance Taylor <ian@airs.com>
16339 * reload1.c (do_output_reload): Add assertion rejecting a
16342 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16344 * combine.c (struct reg_stat): Add new fields truncation_label and
16346 (record_value_for_reg): Reset truncated_to_mode.
16347 (record_truncated_value): New function.
16348 (check_promoted_subreg): Call it. Rename to check_conversions.
16349 (combine_instructions): Rename check_promoted_subreg to
16351 (reg_truncated_to_mode): New function.
16352 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16353 (gen_lowpart_or_truncate): New function.
16354 (force_to_mode): Use it instead of gen_lowpart.
16356 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16358 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16359 VAR is a tag, not its type tag.
16361 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16363 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16364 alternatives to match style of other entries.
16365 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16367 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16369 PR tree-optimization/25771
16370 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16373 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16376 * tree-inline.c (declare_return_variable): If the return variable
16377 was marked as a non gimple complex, set the return slot variable
16378 to be a non gimple comple variable.
16380 2006-01-13 Richard Guenther <rguenther@suse.de>
16382 * builtins.c (expand_builtin_sincos): New function.
16383 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16385 (expand_builtin): Expand sincos using expand_builtin_sincos.
16387 2006-01-12 DJ Delorie <dj@redhat.com>
16389 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16390 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16391 so that constant shifts can be split.
16392 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16393 (m32c_valid_pointer_mode): Make static.
16394 (shift_gen_func_for): New.
16395 (m32c_prepare_shift): Use it. Split large const shifts into
16397 * config/m32c/predicates.md (shiftcount_operand): Allow more
16399 (longshiftcount_operand): New.
16400 * doc/md.texi (Machine Constraints): Document In6.
16402 2006-01-13 Ben Elliston <bje@au.ibm.com>
16404 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16405 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16408 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16410 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16411 to try to avoid clobbering pieces of structures when we know
16412 something about the whole structure.
16413 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16415 2006-01-13 Ben Elliston <bje@au.ibm.com>
16417 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16418 return in memory, as this is no limitation is no longer present.
16420 2006-01-12 DJ Delorie <dj@redhat.com>
16422 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16423 mova with fb, and for fb+0 -> An.
16425 * config/m32c/mov.md (peephole2): Fix enabling logic.
16427 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16428 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16429 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16430 FINI_ARRAY_SECTION_ASM_OP): Define.
16432 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16434 (m32c_legitimize_reload_address): New logic to reload FB to An.
16435 (m32c_output_reg_push): Add newline.
16436 (m32c_output_reg_pop): Likewise.
16438 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16440 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16442 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16444 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16446 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16448 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16451 2006-01-11 Ben Elliston <bje@au.ibm.com>
16453 * rtlanal.c (find_reg_note): Assert insn is not null.
16455 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16457 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16460 2006-01-11 Jeff Law <law@redhat.com>
16462 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16464 (mark_threaded_blocks, register_jump_thread): New functions.
16465 (thread_through_all_blocks): Remove unwanted argument. No
16466 longer rely on e->aux to communicate thread target info.
16467 Call mark_threaded_blocks. Release the threaded_blocks
16468 bitmap and threaded_edges vector when complete.
16469 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16470 (threaded_blocks): Remove.
16471 (tree_ssa_dominator_optimize): Remove initialization and
16472 finalization of threaded_blocks. Simplify call to
16473 thread_through_all_blocks.
16474 (thread_across_edge): Call register_jump_thread rather than
16475 storing thread information into e->aux.
16476 (free_all_edge_infos): Simplify now that e->aux is no longer
16477 used to communicate with thread_through_all_blocks.
16478 * tree-flow.h (thread_through_all_blocks): Update prototype.
16479 (register_jump_thread): Prototype.
16481 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16483 * df-core.c (df_compact_blocks, df_bb_replace): Use
16484 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16486 2006-01-11 Richard Guenther <rguenther@suse.de>
16488 PR tree-optimization/25734
16489 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16490 stop propagation after successful propagation to the LHS.
16492 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16494 * basic-block.h (control_flow_graph): Change the type of
16495 x_basic_block_info to VEC(basic_block,gc) *.
16496 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16498 (SET_BASIC_BLOCK): New.
16499 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16500 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16501 * cfgbuild.c (find_basic_blocks): Likewise.
16502 * cfglayout.c (fixup_reorder_chain): Likewise.
16503 * cfgrtl.c (create_basic_block_structure,
16504 rtl_create_basic_block): Likewise.
16505 * ifcvt.c (find_if_case_1): Likewise.
16506 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16509 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16511 * Makefile.in: Removed rotted odf.c entry.
16513 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16516 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16517 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16518 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16519 output pattern modifier, not %e.
16520 * config/cris/cris.c (cris_op_str): Update comment about pattern
16522 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16523 before falling through into...
16524 <case 'E'>: Redefined from old 'e' case.
16526 2006-01-11 Jan Hubicka <jh@suse.cz>
16529 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16531 2006-01-11 Jan Hubicka <jh@suse.cz>
16533 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16534 * i386.c (x86_decompose_lea): Kill.
16535 (ix86_rtx_costs): Kill.
16537 2006-01-11 Jan Hubicka <jh@suse.cz>
16539 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16540 * cgraph.h (cgraph_node): Add inline_decl.
16541 (cgraph_insert_node_to_hashtable): Declare.
16542 (save_inline_function_body): Declare.
16543 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16545 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16546 (cgraph_function_versioning): Update call of tree_function_versioning.
16547 (save_inline_function_body): New function.
16548 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16549 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16550 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16551 (cgraph_default_inline_p): Likewise.
16552 (cgraph_decide_inlining_incrementally): Likewise.
16553 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16554 (copy_bb): Kill saving; do updating of clones.
16555 (copy_cfg_body): Kill saving.
16556 (initialize_inlined-parameters): Likewise.
16557 (expand_call_inline): Likewise.
16559 (tree_function_versioning): New parameter "update_clones".
16560 (inlining_p): Kill saving.
16561 * tree-inline.h (tree_function_versioning): Update prototype.
16562 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16565 2006-01-11 Ian Lance Taylor <ian@airs.com>
16567 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16568 Allow undoing set of machine mode.
16569 (do_SUBST): Use enums instead of is_int.
16570 (do_SUBST_MODE): New function.
16571 (SUBST_MODE): New macro.
16572 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16573 reg and trying to replace reg_regno_rtx with a new register.
16574 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16575 (simplify_set): Use SUBST_MODE.
16576 (distribute_notes): Remove code that tried to update reg notes
16577 for regno_reg_rtx changes.
16579 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16581 PR tree-optimization/23109
16582 PR tree-optimization/23948
16583 PR tree-optimization/24123
16585 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16586 * tree-cfg.c (single_noncomplex_succ): New.
16587 * tree-flow.h (single_noncomplex_succ): Declare it.
16588 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16589 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16590 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16591 insert_bb, register_division_in, insert_reciprocals,
16592 replace_reciprocal, free_bb): New.
16593 (execute_cse_reciprocals_1): Rewritten.
16594 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16595 Do not commit any edge insertion. Always compute dominators and
16596 create the allocation pool.
16597 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16598 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16599 * targhooks.c (default_min_divistions_for_recip_mul): New.
16600 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16601 * passes.c (init_optimization_passes): Run recip after tree loop
16603 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16605 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16606 Kenneth Zadeck <zadeck@naturalbridge.com>
16608 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16609 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16610 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16611 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16612 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16613 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16614 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16615 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16616 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16617 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16618 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16619 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16620 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16621 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16622 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16623 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16624 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16625 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16626 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16627 DF_SCAN_POST_ALLOC): New macros.
16628 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16629 df_free_bb_function, df_local_compute_function, df_init_function,
16630 df_dataflow_function, df_confluence_function_0,
16631 df_confluence_function_n, df_transfer_function,
16632 df_finalizer_function, df_free_function, df_dump_problem_function,
16633 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16634 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16635 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16636 df_urec_bb_info, ) New types.
16637 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16639 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16640 df_analyze_simple_change_some_blocks,
16641 df_analyze_simple_change_one_block, df_compact_blocks,
16642 df_bb_replace, df_bb_regno_last_use_find,
16643 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16644 df_insn_regno_def_p, df_find_def, df_find_use,
16645 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16646 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16647 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16648 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16649 debug_df_chain, df_get_dependent_problem, df_chain_create,
16650 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16651 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16652 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16653 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16654 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16655 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16656 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16657 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16658 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16659 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16660 df_reorganize_refs, df_set_state, df_hard_reg_init,
16661 df_read_modify_subreg_p) New public functions.
16662 * df-core.c: The core dataflow solver and glue routines for rtl
16664 (df_init, df_add_problem, df_set_blocks, df_finish,
16665 df_hybrid_search_forward, df_hybrid_search_backward,
16666 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16667 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16668 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16669 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16670 df_reg_defined, df_find_use, df_reg_used, df_dump,
16671 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16672 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16673 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16674 debug_df_useno, reset_df_after_reload): New functions.
16675 * df-scan.c: The scanning fuctions, once in df.c, completely
16676 rewritten so that they now fully model the functionality of
16677 register usage at the backend.
16678 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16679 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16680 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16681 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16682 df_get_artificial_defs, df_get_artificial_uses,
16683 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16684 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16685 df_refs_delete, df_reorganize_refs, df_set_state,
16686 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16687 df_def_record_1, df_defs_record, df_uses_record,
16688 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16689 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16690 df_record_exit_block_uses, df_hard_reg_init): New functions.
16692 * df-problems.c: Seven concrete dataflow problems that use the
16693 scanning in df-scan.c and are solved by the engine in df-core.c.
16694 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16695 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16696 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16697 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16698 df_ru_free_bb_info, df_ru_alloc,
16699 df_ru_bb_local_compute_process_def,
16700 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16701 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16702 df_ru_transfer_function, df_ru_free, df_ru_dump,
16703 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16704 df_rd_free_bb_info, df_rd_alloc,
16705 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16706 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16707 df_rd_transfer_function, df_rd_free, df_rd_dump,
16708 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16709 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16710 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16711 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16712 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16713 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16714 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16715 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16716 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16717 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16718 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16719 df_urec_mark_reg_use_for_earlyclobber,
16720 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16721 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16722 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16723 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16724 df_chain_create_bb_process_use, df_chain_create_bb,
16725 df_chain_finalize, df_chain_free, df_chains_dump,
16726 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16727 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16728 df_reg_lifetime): New functions.
16729 * df.c: Deleted file.
16730 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16731 consistent with new df api.
16732 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16733 rest_of_handle_sms): Ditto.
16734 * web.c (unionfind_union, union_defs, entry_register, web_main):
16736 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16737 invariant_expr_equal_p, find_defs, check_dependencies,
16738 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16739 free_inv_motion_data, move_loop_invariants): Ditto.
16740 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16741 Update dependencies.
16742 (odf.c): Added defective entry that was deleted later in day.
16743 * sched-deps.c (sched_analyze_1): Ditto.
16745 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16747 * tree-ssa-operands.c (get_expr_operands): Record addressable
16748 variables directly. Do not call add_stmt_operands for CONST_DECLs
16750 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16751 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16753 2006-01-11 Ben Elliston <bje@au.ibm.com>
16755 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16756 function returns true in the positive case.
16758 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16761 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16762 for SI, DI, SF and DF modes. Add alternatives to copy between
16763 general and floating point registers to the 32-bit patterns.
16764 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16765 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16766 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16767 generating 64-bit code.
16768 * config/pa/pa.c (output_move_double): Handle copies between general
16769 and floating registers.
16771 2006-01-10 Stuart Hastings <stuart@apple.com>
16773 * config/i386/i386.md (set_got): Update.
16774 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16775 (builtin_setjmp_receiver): Mach-O support.
16776 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16777 (GOT_SYMBOL_NAME): Define.
16778 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16779 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16780 * config/i386/i386.c (override_options): Revise for Darwin.
16781 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16782 support. (darwin_x86_file_end): New. (output_set_got): Add label
16783 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16784 * config/i386/i386-protos.h (output_set_got): Likewise.
16785 * config/darwin.c (machopic_legitimize_pic_address): Update
16788 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16790 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16791 when MODE isn't BLKmode.
16793 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16795 PR rtl-optimization/25367
16796 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16798 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16801 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16802 for a negative bound.
16804 2006-01-10 Richard Guenther <rguenther@suse.de>
16806 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16807 Never override with anything constraint.
16809 2006-01-10 Jan Beulich <jbeulich@novell.com>
16811 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16812 256 bits when optimize_size.
16814 2006-01-10 Jan Beulich <jbeulich@novell.com>
16816 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16818 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16819 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16822 2006-01-10 Ben Elliston <bje@au.ibm.com>
16824 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16826 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16827 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16828 (USE_FP_FOR_ARG): Reject decimal float modes.
16829 (function_arg_advance): Likewise.
16830 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16831 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16832 point types in AltiVec vectors.
16833 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16834 (rs6000_libcall_value): Likewise.
16836 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16838 * config/xtensa/ieee754-df.S: New file.
16839 * config/xtensa/ieee754-sf.S: New file.
16840 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16841 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16842 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16844 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16846 * config/sh/predicates.md (binary_float_operator,
16847 binary_logical_operator, commutative_float_operator,
16848 equality_comparison_operator, greater_comparison_operator,
16849 less_comparison_operator, logical_operator,
16850 noncommutative_float_operator, shift_operator,
16851 symbol_ref_operand, unary_float_operator): Remove redundant
16854 2006-01-09 Jeff Law <law@redhat.com>
16856 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16857 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16858 now unused arguments. Callers updated.
16859 (eliminate_redundant_computations): Remove now unused arguments,
16861 (local_fold): Remove, no longer used.
16862 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16864 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16865 (simplify_cond): New function.
16866 (forward_propagate_into_cond): Call simplify_cond.
16868 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16870 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16871 (*vec_extractv2di_1_sse): New.
16873 2006-01-09 Ben Elliston <bje@au.ibm.com>
16875 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16877 2006-01-08 Richard Guenther <rguenther@suse.de>
16879 * tree-ssa-structalias.c (get_constraint_for): Remove
16880 anyoffset argument.
16881 (get_constraint_for_component_ref): Likewise.
16882 (do_deref): Likewise.
16883 (get_constraint_for): Likewise.
16884 (do_structure_copy): Likewise.
16885 (handle_ptr_arith): Likewise.
16886 (find_func_aliases): Likewise. Remove unused need_anyoffset
16889 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16890 Kaz Kojima <kkojima@gcc.gnu.org>
16892 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16893 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16894 (EXTRA_CONSTRAINT_C16): Remove.
16895 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16896 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16897 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16898 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16899 constants of SHmedia. Handle nested constant expressions of
16901 (andcosts): Fix the costs for SHmedia constants.
16902 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16903 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16904 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16905 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16906 (movv4hi_i, movv2si_i): Likewise.
16907 (movsi_const): Adjust the second operand of ior so to match with
16908 the Csu constraint.
16909 (movdi_const, movdi_const_32bit): Likewise.
16910 (movdi_const_16bit+1): Don't sign-extend LOW.
16911 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16913 (*double_shori): Fix the split condition. Use GEN_INT instead
16914 of get_int_mode calls. Mask lower 16-bit of the argument of
16916 (sym2GOTPLT): Remove.
16917 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16919 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16920 instead of EXTRA_CONSTRAINT_C16.
16922 2006-01-07 Ian Lance Taylor <ian@airs.com>
16923 David Edelsohn <edelsohn@gnu.org>
16925 PR rtl-optimization/25662
16926 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16927 for constant operands instead of simplify_gen_binary.
16928 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16929 after trying simplify_binary_operation
16931 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16933 * tree.c (iterative_hash_expr): Hash decls based on UID.
16935 2006-01-06 Eric Christopher <echristo@apple.com>
16937 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16938 (TARGET_UNWIND_EMIT): Fix spelling.
16939 * target.h (gcc_target): Add except_table_label.
16940 * except.c (output_function_exception_table): Use.
16941 * varasm.c (default_emit_except_table_label): New.
16942 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16944 (asm_out): Add here.
16945 * output.h (default_emit_except_table_label): Prototype.
16946 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16947 * config/darwin.c (darwin_emit_except_table_label): Define.
16948 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16950 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16952 PR tree-optimization/18527
16953 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16954 number_of_iterations_special, number_of_iterations_exit):
16955 Move base and step of an iv to a single structure. Add
16956 no_overflow flag, and use it in # of iterations analysis.
16957 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16958 folded_casts argument.
16959 (simple_iv): Pass base and step in a structure. Set no_overflow
16961 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16962 Evaluate expensiveness of computing # of iterations instead of
16963 the final expression.
16964 * tree-scalar-evolution.h (affine_iv): New structure.
16965 (simple_iv): Declaration changed.
16966 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16967 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16968 find_givs_in_stmt): Changed due to simple_iv change.
16970 2006-01-06 Jeff Law <law@redhat.com>
16973 * tree-cfg.c (bsi_replace): Rename final argument from
16974 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16975 change (stmt -> orig_stmt).
16976 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16977 (bsi_remove): Add new argument. Remove EH information
16979 (verify_eh_throw_table_statements): New function.
16980 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16982 * tree-optimize.c (execute_free_cfg_annotations): Verify
16983 the EH throw statement table after removing annotations.
16984 * except.h (verify_eh_throw_table_statements): Prototype.
16985 * tree-flow.h (bsi_remove): Update prototype.
16986 * tree-vrp.c (remove_range_assertions): Add new argument to
16988 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16989 * tree-complex.c (expand_complex_div_wide): Likewise.
16990 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16991 * tree-tailcall.c (eliminate_tailcall): Likewise.
16992 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16993 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16994 * tree-nrv.c (tree_nrv): Likewise.
16995 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16996 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16997 (combine_blocks): Likewise.
16998 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16999 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17000 (cleanup_control_flow): Likewise.
17001 (remove_forwarder_block): Likewise.
17002 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17003 * tree-sra.c (sra_replace): Likewise.
17004 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17005 (forward_propagate_single_use_vars): Likewise.
17006 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17007 * tree-inline.c (expand_call_inline): Likewise.
17008 * tree-vect-transform.c (vect_transform_loop): Likewise.
17009 * tree-outof-ssa.c (rewrite_trees): Likewise.
17010 * tree-cfg.c (make_goto_expr_edges): Likewise.
17011 (cleanup_dead_labels): Likewise.
17012 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17013 (bsi_move_before, bsi_move_after): Likewise.
17014 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17015 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17017 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17020 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17022 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17023 on non gimple variables. Also add checks at the top for decls and
17025 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17027 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17028 and IMAGPART_EXPR for creating MUST_DEFs.
17029 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17030 and NAME_MEMORY_TAG separately from the DECLs.
17032 2006-01-06 Richard Guenther <rguenther@suse.de>
17034 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17035 annotation, if necessary.
17036 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17037 redundant calls to update_stmt.
17038 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17041 2006-01-05 Richard Henderson <rth@redhat.com>
17043 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17045 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17047 * c-typeck.c: Update copyright date.
17049 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17051 * c-typeck.c (build_c_cast): Always warn when casting
17052 from a pointer to an integer of different size, even if
17053 the node was constant.
17055 2006-01-05 Richard Guenther <rguenther@suse.de>
17057 PR tree-optimization/22555
17058 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17059 if one structure field is an array.
17060 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17061 operands even if we found a subvar, but ignore VOPs in this
17063 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17065 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17067 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17069 PR middle-end/24998
17070 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17072 2006-01-05 Richard Guenther <rguenther@suse.de>
17073 Diego Novillo <dnovillo@redhat.com>
17075 * tree-pass.h (TODO_remove_unused_locals): Define.
17076 * gimple-low.c (expand_var_p, remove_useless_vars,
17077 pass_remove_useless_vars): Remove. Update all users.
17078 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17079 (remove_unused_locals): New function.
17080 * tree-flow.h (remove_unused_locals): Declare.
17081 * passes.c (execute_todo): Call remove_unused_locals if
17082 TODO_remove_unused_locals is set.
17083 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17084 * tree-ssa-dce.c (pass_dce): Likewise.
17085 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17087 2006-01-05 Richard Guenther <rguenther@suse.de>
17089 * tree-flow.h (struct fieldoff): Decompose field to
17090 type, size and decl.
17091 * tree-ssa-alias.c (create_sft): Take type as parameter.
17092 (create_overlap_variables_for): Store type, size and decl
17093 in the fieldoff structure.
17094 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17095 of struct fieldoff.
17096 (push_fields_onto_fieldstack): Likewise.
17097 (create_variable_info_for): Likewise. Use offset for the
17098 SFT name if the decl is not available.
17100 2006-01-04 Paul Brook <paul@codesourcery.com>
17102 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17104 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17106 * lambda-code.c (can_put_in_inner_loop): Relax
17108 (can_put_after_inner_loop): New function.
17109 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17110 (perfect_nestify): Change to make copies and modify uses.
17112 2006-01-04 Richard Henderson <rth@redhat.com>
17114 Merge from gomp branch:
17115 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17116 via integer constant.
17117 (pragma_lex): Remove.
17118 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17119 rather than parsing it.
17120 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17121 handle_pragma_extern_prefix): Add %< %> quotes.
17122 (registered_pragmas): New.
17123 (c_register_pragma_1): New.
17124 (c_register_pragma): Use it.
17125 (c_register_pragma_with_expansion): Likewise.
17126 (c_invoke_pragma_handler): New.
17127 (init_pragma): Use cpp_register_deferred_pragma directly for
17129 * c-pragma.h (enum pragma_kind): New.
17130 (pragma_handler): New.
17131 (c_invoke_pragma_handler): Declare.
17132 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17134 * c-common.h (c_common_pch_pragma): Update decl.
17135 * Makefile.in (c-parser.o): Update dependencies.
17136 (GTFILES): Add c-pragma.h.
17137 * c-parser.c (struct c_token): Add pragma_kind.
17138 (struct c_parser): Add in_pragma.
17139 (c_lex_one_token): Always initialize keyword and pragma_kind.
17140 Extract data for CPP_PRAGMA.
17141 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17142 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17143 Don't allow CPP_PRAGMA_EOL if in_pragma.
17144 (c_parser_consume_pragma): New.
17145 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17146 (c_parser_skip_to_end_of_parameter): Likewise.
17147 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17148 (c_parser_skip_to_pragma_eol): New.
17149 (c_parser_external_declaration): Handle CPP_PRAGMA.
17150 (c_parser_compound_statement_nostart): Likewise.
17151 (c_parser_statement_after_labels): Likewise.
17152 (c_parser_pragma): New.
17153 (pragma_lex): Likewise.
17154 (c_parser_pragma_pch_preprocess): New.
17155 (c_parser_new): Merge into ...
17156 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17158 2006-01-04 Jeff Law <law@redhat.com>
17161 * tree-cfg.c (bsi_replace): Remove the original statement
17162 from the EH throw statement table.
17164 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17166 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17167 make the prototype extern "C" and add throw ().
17170 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17171 and pos non-negative and pos + len <= 32.
17172 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17173 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17174 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17177 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17178 as well as sizes not multiple of component size.
17181 * function.c (instantiate_expr): New function.
17182 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17183 walk its DECL_VALUE_EXPR with instantiate_expr.
17185 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17186 DW_OP_deref{,_size} if address isn't going to be added.
17188 2006-01-04 Ben Elliston <bje@au.ibm.com>
17190 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17191 * config/fp-bit.c: Likewise.
17193 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17195 * dominance.c: Add comment about why we use DFS numbering
17198 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17199 Richard Henderson <rth@redhat.com>
17201 Merge from gomp-branch:
17202 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17203 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17205 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17207 PR rtl-optimization/25578
17208 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17209 pass a parameter to simplify_shift_const if changing ASHIFTRT
17212 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17214 * builtins.c (get_builtin_sync_mem): New function.
17215 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17216 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17217 Call get_builtin_sync_mem to generate mem rtx.
17219 2006-01-03 Richard Guenther <rguenther@suse.de>
17222 * stmt.c (add_case_node): Make sure to clear overflow flags
17225 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17227 Merge from gomp-branch.
17228 * config/sparc/sync.md: New file.
17229 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17230 UNSPECV_LDSTUB): New constants.
17231 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17232 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17233 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17236 2006-01-03 Roger Sayle <roger@eyesopen.com>
17238 * combine.c (reg_subword_p): New predicate to test whether the
17239 destination of a set refers to a subword/piece of a register.
17240 (try_combine): Generalize the code to merge the setting of a
17241 pseudo to a constant followed by a set of a subword of that
17242 register to a constant.
17244 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17246 * basic-block.h (control_flow_graph): Change the type of
17247 x_label_to_block_map to VEC(basic_block,gc) *.
17248 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17249 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17251 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17252 VEC(basic_block,heap) *.
17253 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17254 ssa_prop_fini): Adjust the uses of cfg_blocks.
17256 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17258 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17260 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17261 hashing trees instead of a pointer hash.
17262 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17263 compare for MEM_EXPR.
17265 PR rtl-optimization/25130
17266 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17267 when comparing MEMs for GCSE
17269 2006-01-03 Ben Elliston <bje@au.ibm.com>
17271 * targhooks.h (default_decimal_float_supported_p): Declare.
17272 * targhooks.c (default_decimal_float_supported_p): Define.
17273 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17274 `default_decimal_float_supported_p'.
17275 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17277 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17279 * combine.c (apply_distributive_law <SUBREG>): Check
17280 TRULY_NOOP_TRUNCATION.
17282 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17284 * dwarf2out.c (have_switched_text_section): Delete.
17285 (have_multiple_function_sections): New.
17286 (have_location_lists): Make 'bool'.
17287 (add_AT_loc_list): Use 'true' not '1'.
17288 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17289 (output_loc_list): Use have_multiple_function_sections.
17290 (output_ranges): Likewise.
17291 (dwarf2out_begin_function): Set have_multiple_function_sections if
17293 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17294 Check function_section rather than DECL_SECTION_NAME.
17295 (dwarf2out_finish): Use have_multiple_function_sections.
17296 Don't clear have_location_lists.
17298 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17299 Jan Hubicka <jh@suse.cz>
17301 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17302 case of conditional jump jumping to the next instruction.
17303 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17304 cases of conditional jump jumping to the next instruction.
17306 2006-01-02 Jan Hubicka <jh@suse.cz>
17308 * i386.c (*_cost): Add COSTS_N_INSNS.
17309 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17311 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17314 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17316 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17318 * config/arm/arm.c (all_fpus): Fix comment typo.
17319 * config/darwin.c: Likewise.
17320 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17321 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17322 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17324 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17326 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17327 (rs6000_split_compare_and_swapqhi): New.
17328 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17329 (sync_compare_and_swapqhi_internal): New.
17330 * config/rs6000/rs6000-protos.h: Declare.