1 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
3 * doc/invoke.texi: Fix mfp-trap-mode typo.
5 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
7 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
8 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
9 file_end_indicate_exec_stack.
10 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
12 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
13 for a non-executable stack.
16 * libunwind.S: Likewise.
18 2006-11-02 Ben Elliston <bje@au.ibm.com>
20 * tree-ssa.c (warn_uninit): Use expand_location variables for
21 locus and declaration locus.
23 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
26 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
27 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
28 cmp{eq,gt,gtu}{si,di}_media.
29 (*cmpne0si_media): Remove.
30 (*movsicc_umin): Adjust gen_cmp*_media call.
31 (unordered): Change the mode of unordered and operands[1] to
33 (seq): Adjust gen_cmp*_media calls. Make the mode of
34 a temporary result of compare SImode if needed. If the mode
35 of operands[0] is DImode, extend the temporary result to DImode.
36 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
37 (sunorderd): Change the mode of match_operand and unorderd to
39 (cmpeq{sf,df}_media): Remove.
40 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
41 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
42 and compare operation to SImode.
44 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
46 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
48 (sparc64-sun-solaris2*): Likewise.
50 2006-11-02 Paul Brook <paul@codesourcery.com>
52 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
53 from priority argument. Use different section for non-default
55 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
57 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
60 * except.c (switch_to_exception_section): Do not cache the section
61 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
62 and flag_function_sections is set.
64 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
67 * builtins.c (do_mpfr_sincos): New.
68 (fold_builtin_1): Use it to fold builtin sincos.
70 2006-11-01 Roger Sayle <roger@eyesopen.com>
72 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
75 2006-11-01 Roger Sayle <roger@eyesopen.com>
77 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
78 whether the assembler supports taking the difference of symbols in
79 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
80 * configure: Regenerate.
81 * config.in: Regenerate.
82 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
83 the assembler doesn't support taking the difference of symbols in
84 different sections, i.e. we're using the native solaris assembler.
86 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
87 Peter Bergner <bergner@vnet.ibm.com>
89 * doc/invoke.texi: Add cpu_type power6x
90 (RS/6000 and PowerPC Options): Add -mmfpgpr.
91 * config.gcc: Add cpu_type power6x.
92 * configure.ac: Add test for mf{t,f}gpr instructions.
93 (HAVE_AS_MFPGPR): New.
94 * config.in: Regenerate.
95 * configure: Regenerate.
96 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
97 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
98 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
99 and mftgpr attributes.
100 (define_attr "cpu"): Add power6.
101 Change instruction sequences to use new attributes.
102 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
103 (fix_truncdfsi2_mfpgpr): New.
104 (floatsidf_ppc64_mfpgpr): New.
105 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
106 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
107 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
108 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
109 (fix_truncdfsi2): Use gpc_reg_operand constraint.
110 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
111 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
112 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
113 cntlz,exts and var_delayed_compare.
114 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
115 _ARCH_PWR6X, if features enabled.
116 * config/rs6000/rs6000.opt (mmfpgpr): New.
117 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
118 (cached_can_issue_more): New variable.
119 (processor_costs): Add power6_cost.
120 (rs6000_sched_init): New function.
121 (is_dispatch_slot_restricted): Deleted.
122 (set_to_load_agen): New function.
123 (is_load_insn,is_store_insn): New functions.
124 (adjacent_mem_locations): New function.
125 (insn_must_be_first_in_group): New function.
126 (insn_must_be_last_in_group): New function.
127 (rs6000_sched_reorder): New function.
128 (rs6000_sched_reorder2): New function.
129 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
130 TARGET_SCHED_REORDER2): Define.
131 (processor_target_table): Use PROCESSOR_POWER6 for power6.
132 Add power6x. Add MASK_MFPGPR for power6x.
133 (POWERPC_MASKS): Add MASK_MFPGPR.
134 (rs6000_override_options): Set rs6000_always_hint to false
135 for power6. Set rs6000_align_branch_targets. Replace
136 rs6000_sched_groups check with rs6000_align_branch_targets.
137 Use PROCESSOR_POWER6.
138 (last_scheduled_insn): New variable.
139 (load_store_pendulum): New variable.
140 (rs6000_variable_issue): Set last_scheduled_insn and
141 cached_can_issue_more.
142 (rs6000_adjust_cost): Add power6 cost adjustments.
143 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
144 with insn_must_be_first_in_group. Add power6 priority adjustments.
145 (rs6000_issue_rate): Add CPU_POWER6.
146 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
147 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
148 (TARGET_MFPGPR): New.
149 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
150 (ASM_CPU_SPEC): Add power6x.
151 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
153 * config/rs6000/power6.md: New file.
155 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
157 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
158 HOST_WIDE_INT_PRINT to print high and low parts. Use
159 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
160 printing a hexadecimal number prefix it with 0x.
162 2006-11-01 Chris Johns <chris@contemporary.net.au>
165 * Makefile.in (install-driver): Use exeext when installing
166 $target-gcc-$version.
168 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
170 * c-common.c (flag_cpp0x): New.
171 * c-common.h (flag_cpp0x): New.
172 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
173 supported, define __GXX_EXPERIMENTAL_CPP0X__.
174 * c-opts.c (set_std_cxx0x): New.
175 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
176 * c.opt (std=c++0x): Document.
177 (std=gnu++0x): Ditto.
178 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
179 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
181 2006-11-01 Richard Guenther <rguenther@suse.de>
183 * config/i386/i386.c (ix86_expand_rint): Fix issues with
185 (ix86_expand_floorceildf_32): Likewise.
186 (ix86_expand_floorceil): Likewise.
187 (ix86_expand_trunc): Likewise.
189 2006-10-31 Andrew Pinski <pinskia@gmail.com>
191 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
194 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
196 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
198 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
200 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
202 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
203 * configure.ac (use_cxa_atexit): As a special case, don't test
204 for libc definition of __cxa_atexit on mingw32
205 * configure: Regenerate.
206 * config.gcc (i[34567]86-pc-mingw32): Default to
207 enable__cxa_atexit=yes.
209 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
211 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
213 2006-10-31 Geoffrey Keating <geoffk@apple.com>
216 * c-decl.c (start_struct): Don't create self-containing
218 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
220 * config/rs6000/rs6000-protos.h
221 (darwin_rs6000_special_round_type_align): New.
222 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
223 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
225 2006-10-31 Geoffrey Keating <geoffk@apple.com>
227 * toplev.c (compile_file): Call final_write_globals
228 even if there have been errors.
230 2006-10-31 Eric Christopher <echristo@apple.com>
231 Falk Hueffner <falk@debian.org>
233 * doc/extend.texi (__builtin_bswap32): Document.
234 (__builtin_bswap64): Ditto.
235 * doc/libgcc.texi (bswapsi2): Document.
237 * doc/rtl.texi (bswap): Document.
238 * optabs.c (expand_unop): Don't widen a bswap.
239 (init_optabs): Init bswap. Set libfuncs explicitly
240 for bswapsi2 and bswapdi2.
241 * optabs.h (OTI_bswap): New.
242 (bswap_optab): Ditto.
243 * genopinit.c (optabs): Handle bswap_optab.
244 * tree.h (tree_index): Add TI_UINT32_TYPE and
246 (uint32_type_node): New.
247 (uint64_type_node): Ditto.
248 * tree.c (build_common_tree_nodes_2): Initialize
249 uint32_type_node and uint64_type_node.
250 * builtins.c (expand_builtin_bswap): New.
251 (expand_builtin): Call.
252 (fold_builtin_bswap): New.
253 (fold_builtin_1): Call.
254 * fold-const.c (tree_expr_nonnegative_p): Return true
256 * builtin-types.def (BT_UINT32): New.
258 (BT_FN_UINT32_UINT32): Ditto.
259 (BT_FN_UINT64_UINT64): Ditto.
260 * builtins.def (BUILT_IN_BSWAP32): New.
261 (BUILT_IN_BSWAP64): Ditto.
262 * rtl.def (BSWAP): New.
263 * genattrtab.c (check_attr_value): New.
264 * libgcc2.c (__bswapSI2): New.
266 * libgcc2.h (__bswapSI2): Declare.
268 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
269 * simplify-rtx.c (simplify_const_unary_operation): Return
271 * libgcc-std.ver (__bwapsi2): Add.
273 * reload1.c (eliminate_regs_1): Add bswap.
274 (elimination_effects): Ditto.
275 * config/i386/i386.h (x86_bswap): New.
277 * config/i386/i386.c (x86_bswap): Set.
279 2006-10-31 Geoffrey Keating <geoffk@apple.com>
281 * coverage.c (coverage_checksum_string): Update comment.
282 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
283 of get_file_function_name.
284 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
285 of get_file_function_name_long.
286 * tree.c (get_file_function_name): Rename from
287 get_file_function_name_long; improve comment; handle 'I' and 'D'
288 specially when the target has ctor/dtor support; remove special
290 (get_file_function_name): Remove.
291 * tree.h (get_file_function_name): Rename from
292 get_file_function_name_long.
293 (get_file_function_name): Remove prototype.
295 2006-10-31 Geoffrey Keating <geoffk@apple.com>
297 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
298 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
300 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
301 Call dsymutil when compiling and linking one or more source files
304 2006-10-31 Geoffrey Keating <geoffk@apple.com>
307 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
309 2006-10-31 Geoffrey Keating <geoffk@apple.com>
311 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
312 inline static functions in c99 mode.
315 * doc/extend.texi (Inline): Update.
316 * c-tree.h (struct language_function): Remove field 'extern_inline'.
317 * c-decl.c (current_extern_inline): Delete.
318 (pop_scope): Adjust test for an undefined nested function.
319 Add warning about undeclared inline function.
320 (diagnose_mismatched_decls): Update comments. Disallow overriding
321 of inline functions in a translation unit in C99. Allow inline
322 declarations in C99 at any time.
323 (merge_decls): Boolize variables. Handle C99 'extern inline'
325 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
326 C99 inline semantics.
327 (start_function): Don't clear current_extern_inline. Don't set
329 (c_push_function_context): Don't push current_extern_inline.
330 (c_pop_function_context): Don't restore current_extern_inline.
333 * c-typeck.c (build_external_ref): Warn about static variables
334 used in extern inline functions.
335 * c-decl.c (start_decl): Warn about static variables declared
336 in extern inline functions.
338 2006-10-31 Roger Sayle <roger@eyesopen.com>
341 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
342 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
343 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
344 or y is an even integer.
346 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
349 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
350 * gthr-posix95.h (__gthread_active_p): Likewise.
352 2006-10-31 Richard Guenther <rguenther@suse.de>
354 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
355 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
356 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
357 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
358 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
359 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
360 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
361 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
364 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
366 * opts.c (decode_options): Disable CSE skip blocks.
368 2006-10-30 Dirk Mueller <dmueller@suse.de>
370 * c-common.h (strict_aliasing_warning): Fix whitespace.
371 * c-decl (start_function): Move code for main decl warning ..
372 * c-common.c (check_main_parameter_types): .. here.
373 * c-common.h (check_main_parameter_types): Declare.
375 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
378 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
380 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
382 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
383 be a PARALLEL containing sets. Return false when out_pat is not
386 2006-10-30 Richard Sandiford <richard@codesourcery.com>
388 * config/mips/mips.md (mul<mode>3): Split into...
389 (mulsi3, muldi3): ...these separate patterns.
391 2006-10-30 Richard Sandiford <richard@codesourcery.com>
393 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
394 but with each set of options separated by spaces.
396 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
398 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
399 dwarf_reg_size_table has been initialized.
401 2006-10-30 Roger Sayle <roger@eyesopen.com>
403 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
404 * ddg.c (print_ddg_edge): Likewise.
405 * dwarf2out.c (prune_unused_types_walk): Likewise.
406 * ifcvt.c (noce_try_cmove_arith): Likewise.
407 * langhooks.c (add_builtin_function): Likewise.
408 * reg-stack.c (subst_stack_regs_pat): Likewise.
409 * tree.c (expanded_location): Likewise.
410 * tree-dump.c (dequeue_and_dump): Likewise.
412 2006-10-30 David Daney <ddaney@avtrex.com>
414 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
416 2006-10-30 Jakub Jelinek <jakub@redhat.com>
418 PR tree-optimization/29637
419 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
420 of the innertype is the innertype itself.
422 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
424 * dwarf2out.c (file_name_acquire): Correct typo.
426 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
428 * tree.h (tree_value_handle): Remove struct value_set declaration.
429 Change value_set to bitmap_set.
430 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
431 * tree-vn.c (get_value_handle): Made inline and moved to
433 * tree-flow-inline.h: (has_stmt_ann): New function.
434 * tree-ssa-pre.c (expressions): New variable.
435 (next_expression_id): Ditto.
436 (alloc_expression_id): New function.
437 (struct value_set): Remove.
438 (get_expression_id): New function.
439 (get_or_alloc_expression_id): Ditto.
440 (expression_for_id): Ditto.
441 (clear_expression_ids): Ditto.
442 (FOR_EACH_EXPR_ID_IN_SET): New macro.
443 (bb_value_sets): Renamed to bb_bitmap_sets.
444 All value sets replaced with bitmap_sets.
446 (BB_VISITED): New macro.
447 (postorder): New variable.
448 (add_to_value): Removed.
449 (value_exists_in_set_bitmap): Ditto.
450 (value_insert_into_set_bitmap): Ditto.
454 (set_contains_value): Ditto.
455 (insert_into_set): Ditto.
457 (find_leader): Ditto.
458 (bitmap_set_subtract_from_value_set): Ditto.
459 (value_insert_into_set): Ditto.
460 (print_value_set): Ditto.
461 (debug_value_set): Ditto.
462 (constant_expr_p): New function.
463 (bitmap_remove_from_set): Ditto.
464 (bitmap_insert_into_set): Ditto.
465 (bitmap_set_free): Ditto.
467 (sorted_array_from_bitmap_set): Ditto.
468 (bitmap_set_subtract): Ditto.
469 (bitmap_set_equal): Ditto.
470 (debug_bitmap_set): Ditto.
471 (find_leader_in_sets): Ditto.
472 (bitmap_set_replace_value): Modify for bitmapped sets.
473 (phi_translate): Ditto.
474 (phi_translate_set): Ditto.
475 (bitmap_find_leader): Ditto.
476 (valid_in_sets): Ditto.
477 (union_contains_value): Ditto.
479 (compute_antic_aux): Ditto. Mark changed blocks.
480 (compute_antic): Ditto. Iterate in postorder and only over
482 (compute_rvuse_and_antic_safe): Reuse postorder.
483 (create_component_ref_by_pieces): Modify for bitmapped sets.
484 (find_or_generate_expression): Ditto.
485 (create_expression_by_pieces): Ditto.
486 (insert_into_preds_of_block): Ditto.
487 (changed_blocks): New variable.
488 (do_regular_insertion): Broken out from insert_aux.
489 (insert_aux): Modified for bitmapped sets.
490 (find_existing_value_expr): New function.
491 (create_value_expr_from): Use it.
492 (insert_extra_phis): Removed.
493 (print_bitmap_set): Renamed from bitmap_print_value_set.
494 (compute_avail): Handle RETURN_EXPR.
495 (init_pre): Modify for bitmapped sets.
496 * tree-flow.h (has_stmt_ann): New function.
498 2006-10-29 Roger Sayle <roger@eyesopen.com>
500 * builtins.c (fold_builtin_floor): Check for the availability of
501 the C99 trunc function before transforming floor into trunc.
503 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
505 * builtins.c (fold_builtin_hypot): Rearrange recursive
506 transformation before others, and also do ABS_EXPR. When
507 necessary, check flag_unsafe_math_optimizations. When necessary,
510 2006-10-29 Roger Sayle <roger@eyesopen.com>
512 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
513 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
514 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
515 Fold -X eq/ne -Y as X eq/ne Y.
517 2006-10-29 Richard Sandiford <richard@codesourcery.com>
519 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
520 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
521 rather than GENERATE_MULT3_SI in the various define_peephole2s.
522 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
523 Use an inclusive test for "mult" rather than "mul".
524 (rotr<mode>3): Depend on ISA_HAS_ROR.
525 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
527 (GENERATE_MULT3_DI): Delete.
528 (ISA_HAS_64BIT_REGS): Use consistent formatting.
529 (ISA_HAS_MUL3): New macro.
530 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
531 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
532 (ISA_HAS_CLZ_CLO): Likewise.
533 (ISA_HAS_DCLZ_DCLO): Delete.
534 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
535 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
536 the VR4120 and VR4130.
537 (ISA_HAS_MACCHI): Use consistent formatting.
538 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
539 (ISA_HAS_ROR): ...this new macro.
540 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
541 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
542 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
544 2006-10-29 Roger Sayle <roger@eyesopen.com>
546 PR tree-optimization/15458
547 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
550 2006-10-29 Richard Guenther <rguenther@suse.de>
552 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
553 (ix86_expand_truncdf_32): Likewise.
554 * config/i386/i386.c (ix86_expand_trunc): New function expanding
555 trunc inline for SSE math and -fno-trapping-math and if not
557 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
558 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
559 for expanding btrunc inline for SSE math.
561 2006-10-29 Joseph Myers <joseph@codesourcery.com>
563 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
564 Handle tuning for bi-arch i[34567]86-*-linux* like that for
565 i[34567]86-*-solaris2.1[0-9]*.
566 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
567 Define conditionally depending on TARGET_64BIT_DEFAULT.
568 (SPEC_32, SPEC_64): Define.
569 (LINK_SPEC): Use them.
570 * doc/install.texi (--enable-targets=all): Document for x86-linux.
572 2006-10-29 Richard Guenther <rguenther@suse.de>
574 * config/i386/i386-protos.h (ix86_expand_round): Declare.
575 (ix86_expand_rounddf_32): Likewise.
576 * config/i386/i386.c (ix86_expand_round): New function expanding
577 round inline for SSE math and -fno-trapping-math and if not
579 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
580 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
581 round via ix86_expand_round.
583 2006-10-29 Richard Guenther <rguenther@suse.de>
585 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
586 (ix86_expand_floorceildf_32): Likewise.
587 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
588 static helper function.
589 (ix86_expand_floorceil): Expander for floor and ceil to SSE
591 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
592 * config/i386/i386.md (floordf2): Adjust to enable floor
593 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
594 -fno-trapping-math is enabled and if not optimizing for size.
595 (floorsf2, ceildf2, ceilsf2): Likewise.
596 * config/i386/sse.md (sse_maskcmpsf3): New insn.
597 (sse2_maskcmpdf3): Likewise.
599 2006-10-29 Richard Guenther <rguenther@suse.de>
601 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
602 rint in case -fno-trapping-math is enabled.
603 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
604 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
605 (ix86_expand_sse_fabs): Likewise.
606 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
607 * config/i386/i386.md (rintdf2): Enable for SSE math if
608 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
611 2006-10-29 Richard Guenther <rguenther@suse.de>
613 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
614 to conversion optabs.
615 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
617 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
618 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
619 (lfloor_optab, lceil_optab): Adjust defines.
620 * builtins.c (expand_builtin_int_roundingfn): Adjust for
621 lfloor and lceil optabs now being conversion optabs.
622 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
623 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
624 New static helper function.
625 (ix86_expand_lfloorceil): New function to expand lfloor and
627 * config/i386/i386.md (lfloor<mode>2): Split into ...
628 (lfloorxf<mode>2): ... x87 variant
629 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
630 using ix86_expand_lfloorceil.
631 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
633 * doc/md.texi (lfloorMN, lceilMN): Document.
635 2006-10-29 Richard Sandiford <richard@codesourcery.com>
637 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
638 -mno-shared assembler option on mips targets.
639 * configure, config.in: Regenerate.
640 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
641 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
642 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
644 2006-10-29 Richard Sandiford <richard@codesourcery.com>
646 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
647 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
649 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
651 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
652 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
655 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
658 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
659 (fold_builtin_pow): Evaluate constant arguments at compile-time
661 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
662 (do_mpfr_ckconv): New helper function.
663 (do_mpfr_arg1): Use do_mpfr_ckconv.
666 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
669 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
670 (-fdump-rtl-sched): Rename to ..
671 (-fdump-rtl-sched1): here. Also fix file extension number.
673 2006-10-28 Richard Guenther <rguenther@suse.de>
675 * fold-const.c (maybe_canonicalize_comparison): Fix code
678 2006-10-28 Uros Bizjak <uros@kss-loka.si>
680 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
681 (NON_QI_REG_P): Use IN_RANGE.
682 (REX_INT_REGNO_P): Use IN_RANGE.
683 (FP_REGNO_P): Use IN_RANGE.
684 (SSE_REGNO_P): Use IN_RANGE.
685 (REX_SSE_REGNO_P): Use IN_RANGE.
686 (MMX_REGNO_P): Use IN_RANGE.
687 (STACK_REGNO_P): New macro.
688 (STACK_REG_P): Use STACK_REGNO_P.
689 (NON_STACK_REG_P): Use STACK_REGNO_P.
690 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
691 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
692 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
693 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
694 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
696 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
698 * except.h (output_function_exception_table): Add 'const char*' param.
699 * except.c (switch_to_exception_section): Add 'const char*' param.
700 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
701 and flag_function_sections is set, use a function-specific section.
702 (output_function_exception_table): Add 'const char*' param.
703 Adjust call to switch_to_exception_section.
704 * final.c (rest_of_handle_final): Adjust calls to
705 output_function_exception_table.
706 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
707 * config.in: Regenerate.
708 * configure: Likewise.
710 2006-10-28 Richard Guenther <rguenther@suse.de>
713 * fold-const.c (maybe_canonicalize_comparison_1): Helper
714 for maybe_canonicalize_comparison.
715 (maybe_canonicalize_comparison): New function for canonicalizing
717 (fold_comparison): Call it to canonicalize comparisons with
720 2006-10-28 Richard Guenther <rguenther@suse.de>
723 * builtins.c (expand_builtin_int_roundingfn_2): Expand
724 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
725 (expand_builtin): Adjust likewise.
726 * genopinit.c (optabs[]): Add lround optab.
727 * optabs.c (init_optabs): Initialize lround_optab.
728 * optabs.h (enum convert_optab_index): Add COI_lround.
729 (lround_optab): Define.
730 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
731 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
733 (ix86_expand_lround): New function.
734 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
736 * doc/md.texi (lroundMN2): Document.
738 2006-10-28 Uros Bizjak <uros@kss-loka.si>
741 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
742 argument to HOST_WIDE_INT. Update function prototype.
743 (round_frame_size): Change return type to HOST_WIDE_INT. Change
744 "size" argument to HOST_WIDE_INT. Update function prototype.
746 2006-10-28 Uros Bizjak <uros@kss-loka.si>
748 * config/i386/i386.c (output_387_ffreep): Create output from a
749 template string for !HAVE_AS_IX86_FFREEP.
751 2006-10-27 Eric Christopher <echristo@apple.com>
753 * config/darwin.c: Fix formatting and grammar.
755 2006-10-27 Jan Hubicka <jh@suse.cz>
757 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
758 to be thrown away soon when IGNORE is set.
759 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
760 indicating when return value shall not be computed.
761 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
763 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
765 * config/i386/i386.h (TARGET_GEODE):
766 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
767 (TARGET_CPU_DEFAULT_geode): New macro.
768 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
769 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
770 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
771 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
772 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
774 (TARGET_CPU_DEFAULT_NAMES): Add geode.
775 (processor_type): Add PROCESSOR_GEODE.
777 * config/i386/i386.md: Include geode.md.
780 * config/i386/i386.c (geode_cost): New initialized global
782 (m_GEODE, m_K6_GEODE): New macros.
783 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
784 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
785 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
786 x86_schedule): Use m_K6_GEODE instead of m_K6.
787 (x86_movx, x86_cmove): Set up m_GEODE.
788 (x86_integer_DFmode_moves): Clear m_GEODE.
789 (processor_target_table): Add entry for geode.
790 (processor_alias_table): Ditto.
792 * config/i386/geode.md: New file.
794 * doc/invoke.texi: Add entry about geode processor.
796 2006-10-27 Mike Stump <mrs@apple.com>
798 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
799 __DYNAMIC__ from here back to ...
800 * config/darwin.h (CPP_SPEC): ... here.
802 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
803 Nathan Sidwell <nathan@codesourcery.com>
805 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
806 when choosing the minimum heapsize.
808 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
810 * gcc/unwind-dw2.h: Move cfa-related variables into
811 struct frame_state_reg_info to ensure that the CFA is properly
812 handled when executing DW_CFA_{remember,restore}_state.
813 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
814 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
815 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
816 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
817 gcc/config/rs6000/linux-unwind.h,
818 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
819 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
820 Modify to use new cfa_* fields.
822 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
824 * config/s390/s390.c (s390_init_frame_layout): Check positive
827 2006-10-26 Ben Elliston <bje@au.ibm.com>
829 * gimplify.c (get_name): Remove extraneous break.
830 (gimplify_omp_for): Initialise ret with GS_OK.
832 2006-10-25 Steve Ellcey <sje@cup.hp.com>
834 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
835 Add unix98.o to link line.
837 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
840 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
841 Calculate compile-time constants using MPFR.
842 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
843 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
845 2006-10-25 Bob Wilson <bob.wilson@acm.org>
847 * config/xtensa/lib2funcs.S: Use C-style comments.
849 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
851 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
852 (file_table_relative_p): Likewise.
853 (dwarf2out_finish): Likewise.
854 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
856 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
858 * tree-ssa-structalias.c (intra_create_variable_infos):
859 Don't recreate nonlocal_all if it already exists.
861 2006-10-25 Richard Guenther <rguenther@suse.de>
864 * optabs.h (enum optab_index): Remove OTI_lrint.
865 (enum convert_optab_index): Add COI_lrint.
866 (lrint_optab): Adjust.
867 (expand_sfix_optab): Declare.
868 * optabs.c (expand_sfix_optab): New function.
869 (init_optabs): Init lrint_optab as conversion optab.
870 * genopinit.c (lrint_optab): Change to a conversion optab.
871 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
872 expansion via conversion optab.
873 * config/i386/i386.md (*fistdi2_1): Remove
874 flag_unsafe_math_optimizations guard.
875 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
876 fist<mode>2_with_temp): Likewise.
877 (lrint<mode>2): Split into...
878 (lrintxf<mode>2): ... x87 part
879 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
880 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
881 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
882 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
883 * doc/md.texi (lrintMN2): Document.
885 2006-10-25 Uros Bizjak <uros@kss-loka.si>
888 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
889 Use inc and dec instructions for TARGET_USE_INCDEC.
890 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
891 ("sync_double_compare_and_swap<mode>"): Likewise.
892 ("*sync_double_compare_and_swapdi_pic"): Likewise.
893 ("*sync_compare_and_swap_cc<mode>"): Likewise.
894 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
895 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
896 ("sync_old_add<mode>"): Likewise.
897 ("sync_lock_test_and_set<mode>"): Likewise.
898 ("sync_lock_test_and_set<mode>"): Likewise.
899 ("sync_add<mode>"): Likewise.
900 ("sync_sub<mode>"): Likewise.
901 ("sync_ior<mode>"): Likewise.
902 ("sync_and<mode>"): Likewise.
903 ("sync_xor<mode>"): Likewise.
905 2006-10-25 Uros Bizjak <uros@kss-loka.si>
907 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
908 (remainder_optab): Define corresponding macro.
909 (drem_optab): Remove.
910 * optabs.c (init_optabs): Initialize remainder_optab. Remove
911 drem_optab initialization.
912 * genopinit.c (optabs): Implement remainder_optab using
913 remainder?f3 patterns. Remove drem_optab.
914 * builtins.c (expand_builtin_mathfn_2): Handle
915 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
916 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
917 expand_builtin_mathfn_2.
919 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
920 depend on flag_unsafe_math_optimizations.
922 * config/i386/i386.md ("remaindersf3", "remainderdf3")
923 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
924 Do not depend on flag_unsafe_math_optimizations. Use
925 truncxf?f expander instead of truncxf?f_i387_noop.
927 ("fpremxf4", "fprem1xf4"): Do not depend on
928 flag_unsafe_math_optimizations.
929 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
930 flag_unsafe_math_optimizations. Use truncxf?f expander
931 instead of truncxf?f_i387_noop.
933 * doc/md.texi (fmod, remainder): Document standard named pattern.
935 2006-10-24 Richard Sandiford <richard@codesourcery.com>
936 David Daney <ddaney@avtrex.com>
939 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
941 2006-10-25 Ben Elliston <bje@au.ibm.com>
943 * doc/extend.texi (Variable Attributes): Typo fix.
945 2006-10-24 Uros Bizjak <uros@kss-loka.si>
947 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
948 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
949 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
950 (FRAME_POINTER_REGNUM): Update register number to 21.
951 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
952 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
954 * config/i386/i386.c (regclass_map): Add fpcr entry.
955 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
957 (print_reg): Assert REGNO (x) != FPCR_REG.
959 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
960 (DIRFLAG_REG): Renumber.
961 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
962 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
963 (sse_prologue_save, *sse_prologue_save_insn): Renumber
964 hardcoded SSE register numbers.
966 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
967 hardcoded MMX register numbers.
969 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
972 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
973 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
975 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
976 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
977 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
978 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
980 2006-10-24 Richard Guenther <rguenther@suse.de>
983 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
984 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
985 for deciding optimizations in consistency with fold-const.c
986 (fold_builtin_unordered_cmp): Likewise.
988 2006-10-24 Richard Guenther <rguenther@suse.de>
990 * builtins.c (fold_builtin_floor): Fold floor (x) where
991 x is nonnegative to trunc (x).
992 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
993 nonnegative to FIX_TRUNC_EXPR.
995 2006-10-24 Richard Guenther <rguenther@suse.de>
997 PR tree-optimization/29567
998 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
999 for TRUTH_NOT_EXPR. Clarify comments.
1001 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1004 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
1005 at compile-time using MPFR. Change parameter VALUE to FUNC,
1007 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
1008 for overflow and underflow at all times and avoid folding in
1011 2006-10-24 Ben Elliston <bje@au.ibm.com>
1013 * reload1.c: Formatting fixes.
1015 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
1017 PR tree-optimization/14784
1018 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
1019 * tree-ssa-structalias.c (get_constraint_for,
1020 intra_create_variable_infos): Set is_heapvar.
1021 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
1022 non-heapvar pointer variables specially.
1024 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1027 * builtins.c (fold_builtin_sin, fold_builtin_cos,
1028 fold_builtin_tan): Fold all constant arguments. Take a "type"
1029 argument as necessary.
1030 (do_mpfr_arg1): New.
1031 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
1033 2006-10-23 Bob Wilson <bob.wilson@acm.org>
1035 * config/xtensa/lib1funcs.asm: Use C-style comments.
1037 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
1039 * tree.c (local_define_builtin): Replace calls to
1040 lang_hooks.builtin_function with add_builtin_function.
1041 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
1043 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
1045 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
1046 common code to add_builtin_function.
1047 * langhooks.c (add_builtin_function): New function.
1048 (lhd_builtin_function): New function.
1049 * langhooks.h (struct lang_hooks): Change the signature of
1051 (add_builtin_function): New function.
1052 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
1053 calls to lang_hooks.builtin_function with add_builtin_function.
1054 * c-common.c (decl_builtin_1): Replace calls to
1055 lang_hooks.builtin_function with add_builtin_function.
1056 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
1057 lang_hooks.builtin_function with add_builtin_function.
1058 * config/frv/frv.c (def_builtin): Replace calls to
1059 lang_hooks.builtin_function with add_builtin_function.
1060 * config/s390/s390.c (s390_init_builtins): Replace calls to
1061 lang_hooks.builtin_function with add_builtin_function.
1062 * config/sparc/sparc.c (def_builtin): Replace calls to
1063 lang_hooks.builtin_function with add_builtin_function.
1064 * config/i386/i386.c (def_builtin): Replace calls to
1065 lang_hooks.builtin_function with add_builtin_function.
1066 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
1067 lang_hooks.builtin_function with add_builtin_function.
1068 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
1069 lang_hooks.builtin_function with add_builtin_function.
1070 * config/stormy16/stormy16.c (xstormy16_init_builtins):
1071 Replace calls to lang_hooks.builtin_function with
1072 add_builtin_function.
1073 * config/iq2000/iq2000.c (def_builtin):
1074 Replace calls to lang_hooks.builtin_function with
1075 add_builtin_function.
1076 * config/ia64/ia64.c (def_builtin): Replace calls to
1077 lang_hooks.builtin_function with add_builtin_function.
1078 * config/rs6000/rs6000.c (def_builtin): Replace calls to
1079 lang_hooks.builtin_function with add_builtin_function.
1080 (altivec_init_builtins): Replace calls to
1081 lang_hooks.builtin_function with add_builtin_function.
1082 * config/arm/arm.c (def_mbuiltin): Replace calls to
1083 lang_hooks.builtin_function with add_builtin_function.
1084 (arm_init_tls_builtins): Replace calls to
1085 lang_hooks.builtin_function with add_builtin_function.
1086 * config/mips/mips.c (mips_init_builtins): Replace calls to
1087 lang_hooks.builtin_function with add_builtin_function.
1088 * config/bfin/bfin.c (def_builtin): Replace calls to
1089 lang_hooks.builtin_function with add_builtin_function.
1090 * langhooks-def.h (lhd_builtin_function): New function.
1091 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
1093 2006-10-23 Jakub Jelinek <jakub@redhat.com>
1095 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
1096 BUILT_IN_STRNCAT_CHK.
1098 2006-10-23 Jan Hubicka <jh@suse.cz>
1100 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
1101 don't do conversion from memmove to memcpy here.
1102 (expand_builtin_bcopy, expand_builtin): Update call of
1103 expand_builtin_memmove.
1104 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
1106 2006-10-23 Paul Brook <paul@codesourcery.com>
1108 * stor-layout.c (start_record_layout): maximum_field_alignment
1109 overrides STRUCTURE_SIZE_BOUNDARY.
1111 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
1113 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
1114 nonlocal function symbols if flag_pic.
1116 2006-10-23 Richard Guenther <rguenther@suse.de>
1120 * builtins.c (fold_binary): Remove checks for flag_wrapv
1121 and flag_trapv where negate_expr_p covers these cases.
1123 2006-10-23 Richard Guenther <rguenther@suse.de>
1126 * fold-const.c (fold_plusminus_mult_expr): Check exact power
1127 of two on the absolute value.
1128 (fold_binary): Fold x * -C to -x * C if x is easily negatable
1129 and negating -C does not overflow.
1131 2006-10-23 Richard Guenther <rguenther@suse.de>
1134 * convert.c (convert_to_real): Fold (float)-x to -(float)x
1135 only if not flag_rounding_math.
1137 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1138 Kaz Kojima <kkojima@gcc.gnu.org>
1141 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
1142 SImode memory reference for the source of a movua.
1143 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
1144 (movua): Use an unspec instead of sign_extract. Expect the source
1145 to have mode BLKmode.
1146 (extv, insv): Use a BLKmode rather than SImode memory reference
1147 for the source of a movua.
1149 2006-10-22 Jeff Law <law@redhat.com>
1150 Richard Guenther <rguenther@suse.de>
1152 PR tree-optimization/15911
1153 * tree-vrp.c (extract_code_and_val_from_cond): New function.
1154 (register_edge_assert_for_1): Likewise.
1155 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
1156 (find_conditional_asserts): Adjust for new function signature.
1157 (find_assert_locations): Likewise.
1159 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1161 * config/i386/tmmintrin.h: Remove the duplicated content.
1163 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
1165 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
1166 (x86_64-*-*): Likewise.
1168 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1169 (override_options): Check SSSE3.
1170 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1171 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1172 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1173 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1174 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1175 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1176 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1177 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1178 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1179 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1180 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1181 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1182 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1183 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1184 IX86_BUILTIN_PABSD128.
1185 (bdesc_2arg): Add SSSE3.
1186 (bdesc_1arg): Likewise.
1187 (ix86_init_mmx_sse_builtins): Support SSSE3.
1188 (ix86_expand_builtin): Likewise.
1189 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1191 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1192 (UNSPEC_PSIGN): Likewise.
1193 (UNSPEC_PALIGNR): Likewise.
1194 Include mmx.md before sse.md.
1196 * config/i386/i386.opt: Add -mssse3.
1198 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1199 (ssse3_phaddwv4hi3): Likewise.
1200 (ssse3_phadddv4si3): Likewise.
1201 (ssse3_phadddv2si3): Likewise.
1202 (ssse3_phaddswv8hi3): Likewise.
1203 (ssse3_phaddswv4hi3): Likewise.
1204 (ssse3_phsubwv8hi3): Likewise.
1205 (ssse3_phsubwv4hi3): Likewise.
1206 (ssse3_phsubdv4si3): Likewise.
1207 (ssse3_phsubdv2si3): Likewise.
1208 (ssse3_phsubswv8hi3): Likewise.
1209 (ssse3_phsubswv4hi3): Likewise.
1210 (ssse3_pmaddubswv8hi3): Likewise.
1211 (ssse3_pmaddubswv4hi3): Likewise.
1212 (ssse3_pmulhrswv8hi3): Likewise.
1213 (ssse3_pmulhrswv4hi3): Likewise.
1214 (ssse3_pshufbv16qi3): Likewise.
1215 (ssse3_pshufbv8qi3): Likewise.
1216 (ssse3_psign<mode>3): Likewise.
1217 (ssse3_psign<mode>3): Likewise.
1218 (ssse3_palignrti): Likewise.
1219 (ssse3_palignrdi): Likewise.
1220 (abs<mode>2): Likewise.
1221 (abs<mode>2): Likewise.
1223 * config/i386/tmmintrin.h: New file.
1225 * doc/extend.texi: Document SSSE3 built-in functions.
1227 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1229 2006-10-22 Ira Rosen <irar@il.ibm.com>
1231 * tree-vect-transform.c (vectorizable_load): Use the type of the
1232 return value of the mask_for_load builtin to create realign_load
1235 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1237 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1240 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1242 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1243 (UNSPEC_LDDQU): This.
1244 * config/i386/sse.md (sse3_lddqu): Updated.
1246 2006-10-21 Richard Guenther <rguenther@suse.de>
1248 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1249 (expand_builtin): Use it to expand lrint instead of
1250 expand_builtin_mathfn.
1252 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1255 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1256 flag_unsafe_math_optimizations is set.
1258 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1261 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1262 patterns to use memory input operand in x87->mem->XMM
1263 reload sequences. Skip transformation for TARGET_K8.
1265 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1267 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1268 force operand1 to register if both operands are memory operands.
1269 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1270 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1271 if both operands are memory operands.
1272 (truncdfsf2): Do not force operand1 to register if both operands
1273 are memory operands.
1275 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1277 * Makefile.in (LIBS): Add $(GMPLIBS).
1278 * doc/install.texi: Update GMP and MPFR requirements.
1279 * doc/sourcebuild.texi (need_gmp): Delete.
1281 2006-10-21 Richard Guenther <rguenther@suse.de>
1283 PR tree-optimization/3511
1284 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1285 got new invariant arguments during PHI translation.
1287 2006-10-21 Richard Guenther <rguenther@suse.de>
1290 * fold-const.c (fold_comparison): Fold signed comparisons
1291 of the form X +- C1 CMP Y +- C2.
1293 2006-10-21 Richard Guenther <rguenther@suse.de>
1296 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1297 if flag_unsafe_math_optimizations is specified. We have
1298 flag_finite_math_only for that.
1299 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1300 or flag_unsafe_math_optimizations.
1302 2006-10-21 Richard Guenther <rguenther@suse.de>
1304 * builtins.c (fold_builtin_classify): Fix typo.
1306 2006-10-21 Richard Guenther <rguenther@suse.de>
1309 * simplify-rtx.c (simplify_const_relational_operation):
1310 Do not constant-fold ORDERED and UNORDERED for
1311 flag_unsafe_math_optimizations but only we do not need to
1312 honor NaNs for the given mode.
1314 2006-10-21 Richard Guenther <rguenther@suse.de>
1317 * config/i386/i386.c (classify_argument): Remove redundant
1318 walking of the BINFOs.
1319 (contains_128bit_aligned_vector_p): Likewise.
1321 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1323 * BASE-VER: Set to 4.3.0.
1325 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1327 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1328 (tree_decl_with_vis): Remove artificial_pta_var flag.
1329 * tree-flow.h (referenced_var_check_and_insert): Expose.
1330 (nonlocal_all): New prototype.
1331 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1332 (nonlocal_all): Make global.
1333 (nonlocal_lookup): Remove.
1334 (nonlocal_insert): Ditto.
1335 (create_nonlocal_var): Do not call nonlocal_insert.
1336 (get_nonlocal_id_for_type): Remove.
1337 (find_global_initializers): Mark new vars we find for renaming.
1338 (intra_create_variable_infos): Only create one nonlocal.
1339 (expand_nonlocal_solutions): Remove.
1340 (compute_points_to_sets): Don't call it.
1341 (ipa_pta_execute): Ditto.
1342 (init_alias_heapvars): Don't create nonlocal_for_type.
1343 (delete_alias_heapvars): Don't remove it.
1344 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1347 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1349 * doc/install.texi (Downloading GCC): Clarify mention of
1350 Fortran in the "full distribution" description.
1352 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1354 Fix PR tree-optimization/28778
1355 Fix PR tree-optimization/29156
1356 Fix PR tree-optimization/29415
1357 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1358 (tree_decl_with_vis): Add artificial_pta_var flag.
1359 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1360 pushed into callers.
1361 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1362 (nonlocal_all): Ditto.
1363 (struct variable_info): Add directly_dereferenced member.
1364 (var_escaped_vars): New variable.
1365 (escaped_vars_tree): Ditto.
1366 (escaped_vars_id): Ditto.
1367 (nonlocal_vars_id): Ditto.
1368 (new_var_info): Set directly_dereferenced.
1369 (graph_size): New variable
1370 (build_constraint_graph): Use graph_size.
1371 (solve_graph): Don't process constraints that cannot change the
1372 solution, don't try to propagate an empty solution to our
1374 (process_constraint): Set directly_dereferenced.
1375 (could_have_pointers): New function.
1376 (get_constraint_for_component_ref): Don't process STRING_CST.
1377 (nonlocal_lookup): New function.
1378 (nonlocal_insert): Ditto.
1379 (create_nonlocal_var): Ditto.
1380 (get_nonlocal_id_for_type): Ditto.
1381 (get_constraint_for): Allow results vector to be empty in the case
1382 of string constants.
1383 Handle results of calls properly.
1384 (update_alias_info): Update alias info stats on number and type of
1386 (find_func_aliases): Use could_have_pointers.
1387 (make_constraint_from_escaped): Renamed from
1388 make_constraint_to_anything, and changed to make constraints from
1390 (make_constraint_to_escaped): New function.
1391 (find_global_initializers): Ditto.
1392 (create_variable_info_for): Make constraint from escaped to any
1393 global variable, and from any global variable to the set of
1395 (intra_create_variable_infos): Deal with escaped instead of
1396 pointing to anything.
1397 (set_uids_in_ptset): Do type pruning on directly dereferenced
1399 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1400 (init_base_vars): Fix comment, and initialize escaped_vars.
1401 (need_to_solve): Removed.
1402 (find_escape_constraints): New function.
1403 (expand_nonlocal_solutions): Ditto.
1404 (compute_points_to_sets): Call find_escape_constraints and
1405 expand_nonlocal_solutions.
1406 (delete_points_to_sets): Don't fall off the end of the graph.
1407 (init_alias_heapvars): Initialize nonlocal_for_type and
1409 (delete_alias_heapvars): Free nonlocal_for_type and null out
1412 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1414 * fold-const.c (add_double): Rename to add_double_with_sign.
1415 Add 'unsigned_p' parameter and take it into account for the overflow.
1416 (mul_double): Rename to mul_double_with_sign.
1417 Add 'unsigned_p' parameter and take it into account for the overflow.
1418 (fold_div_compare): Call add_double_with_sign instead of add_double
1419 and mul_double_with_sign instead of mul_double, passing them the
1420 unsignedness of the type.
1421 * tree.h (add_double): Macroize.
1422 (add_double_with_sign): New prototype.
1423 (mul_double): Macroize.
1424 (mul_double_with_sign): New prototype.
1426 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1428 * config/score/crti.asm: New file.
1429 * config/score/crtn.asm: New file.
1430 * config/score/elf.h: New file.
1431 * config/score/mac.md: New file.
1432 * config/score/misc.md: New file.
1433 * config/score/mul-div.S: New file.
1434 * config/score/predicates.md: New file.
1435 * config/score/score7.md: New file.
1436 * config/score/score.c: New file.
1437 * config/score/score-conv.h: New file.
1438 * config/score/score.h: New file.
1439 * config/score/score.md: New file.
1440 * config/score/score-mdaux.c: New file.
1441 * config/score/score-mdaux.h: New file.
1442 * config/score/score-modes.def: New file.
1443 * config/score/score.opt: New file.
1444 * config/score/score-protos.h: New file.
1445 * config/score/score-version.h: New file.
1446 * config/score/t-score-elf: New file.
1447 * config.gcc: Add score*-*-* configurations(Update before).
1448 * doc/invoke.texi (Score Options): New section.
1449 * doc/md.texi (Score family): New section to document constraints.
1451 2006-10-19 Nick Clifton <nickc@redhat.com>
1453 * config/arm/arm.c: Fix spelling typo.
1455 2006-10-18 Tom Tromey <tromey@redhat.com>
1457 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1459 2006-10-18 Jan Hubicka <jh@suse.cz>
1462 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1465 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1467 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1468 TSI_SAME_STMT, since that's the desired entity.
1470 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1472 * config/s390/contraints.md: New file.
1473 * config/s390/s390-protos.h (s390_mem_constraint,
1474 s390_O_constraint_str, s390_N_constraint_str,
1475 s390_float_const_zero_p): Function prototypes added.
1476 * config/s390/s390.c (s390_extra_constraint_str,
1477 s390_const_double_ok_for_constraint_p,
1478 s390_const_ok_for_constraint_p): Functions removed.
1479 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1480 s390_float_const_zero_p): New functions.
1481 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1482 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1483 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1484 Macro definitions removed.
1485 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1486 s390_extra_constraint_str): Functions removed.
1488 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1489 Richard Sandiford <richard@codesourcery.com>
1492 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1493 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1495 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1497 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1498 (DWARF2_FRAME_REG_OUT): Likewise.
1499 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1500 (DWARF2_FRAME_REG_OUT): Likewise.
1502 2006-10-17 Paul Brook <paul@codesourcery.com>
1504 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1506 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1508 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1509 Standardize on "GNU Fortran" as the official name of the Fortran
1512 2006-10-16 Mike Stump <mrs@apple.com>
1514 * doc/invoke.texi (Darwin Options): Document -mkernel.
1515 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1517 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1518 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1519 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1520 (OS_MISSING_ALTIVEC): Add.
1521 * config/i386/i386.c (override_options): Add
1522 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1523 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1524 -mkernel, -static or -mdynamic-no-pic is given.
1525 (C_COMMON_OVERRIDE_OPTIONS): Add.
1526 * config/darwin.opt (fapple-kext): Add.
1528 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1529 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1531 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1532 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1533 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1534 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1535 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1536 (flag_mkernel): Add.
1537 (flag_apple_kext): Add.
1538 (TARGET_KEXTABI): Add.
1539 * config/darwin.c (darwin_handle_kext_attribute): Add.
1540 (DARWIN_VTABLE_P): Add.
1541 (darwin_binds_local_p): Add partial support for rebinding vtables
1543 (darwin_kextabi_p): Add.
1544 (darwin_override_options): Add.
1545 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1546 (darwin_kextabi_p): Add.
1547 (darwin_override_options): Add.
1548 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1549 __DYNAMIC__ and __STATIC__ here.
1551 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1553 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1554 Added mention of "make pdf" target, and Texinfo requirements for
1557 2006-10-16 DJ Delorie <dj@redhat.com>
1559 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1560 into the GOT in case we need a subreg of the address.
1562 2006-10-16 Richard Guenther <rguenther@suse.de>
1565 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1566 SSE builtin documentation. Document SSE2 builtins.
1568 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1570 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1571 symbol in the output file for non-shared links when -nostdlib or
1572 -nodefaultlibs isn't specified.
1574 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1575 posix thread support.
1577 2006-10-15 Jan Hubicka <jh@suse.cz>
1580 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1581 declared always_inline even when not inlining.
1583 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1584 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1585 Andrew Pinski <pinskia@gmail.com>
1588 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1590 2006-10-15 Jan Hubicka <jh@suse.cz>
1591 Richard Guenther <rguenther@suse.de>
1594 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1595 process_function_and_variable_attributes on all variables, including
1596 those discovered during cgraph construction phase.
1598 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1600 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1602 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1604 * config/i386/athlon.md (athlon_fist): Add fisttp.
1606 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1607 Ian Lance Taylor <ian@airs.com>
1610 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1611 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1614 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1616 * config/score/score.c, config/score/score.h: Fix comment
1619 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1622 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1625 2006-10-13 Eric Christopher <echristo@apple.com>
1627 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1629 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1632 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1633 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1634 alignment supported by 32-bit ELF.
1636 2006-10-13 Eric Christopher <echristo@apple.com>
1638 * config/darwin.c (darwin_emit_unwind_label): Strip
1639 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1641 2006-10-13 Richard Guenther <rguenther@suse.de>
1643 PR tree-optimization/29446
1644 * tree-vrp.c (fix_equivalence_set): Remove.
1645 (extract_range_from_assert): Do not call fix_equivalence_set.
1646 (debug_value_range): Print a newline.
1647 (compare_name_with_value): For equivalence sets with
1648 inconsistent value ranges conservatively bail out.
1649 (compare_names): Likewise.
1651 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1653 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1654 and MPFR for gfortran.
1656 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1658 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1659 alignment supported by 32-bit ELF.
1661 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1665 * c-typeck.c (digest_init): Always allow initializing vectors
1666 that have static storage duration with compound literals.
1667 * tree.c (build_type_attribute_qual_variant): New, based on
1668 build_type_attribute_variant.
1669 (build_type_attribute_variant): Rewrite using the former.
1670 (make_vector_type): Use build_type_attribute_qual_variant to build
1671 type variants. Use type_hash_canon on the others.
1673 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1674 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1676 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1678 2006-10-12 Jan Hubicka <jh@suse.cz>
1681 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1682 current_function_decl is set but current_function_scope is not.
1684 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1686 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1687 emit_insn to emit eh_return_internal instruction.
1688 (eh_return_internal): Explicitly set pc.
1690 2006-10-11 Richard Guenther <rguenther@suse.de>
1692 PR tree-optimization/28230
1693 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1694 to the correct place.
1696 2006-10-11 Richard Guenther <rguenther@suse.de>
1699 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1702 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1704 * configure.ac: Added pdf to "Make-hooks"
1705 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1706 targets and *.pdf file patterns in cleanup targets.
1707 * configure: Regenerated.
1709 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1711 * config/avr/predicates.md: New file.
1712 * config/avr/avr.md: Include it.
1713 (REG_SP): New constant.
1714 (peepholes): Use predicates.
1715 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1716 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1717 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1719 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1721 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1724 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1727 * builtins.c (var_decl_component_p): New function.
1728 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1729 single entry optimization to variables and components thereof.
1731 2006-10-10 Richard Guenther <rguenther@suse.de>
1733 PR rtl-optimization/29323
1734 * except.c (set_nothrow_function_flags): For functions
1735 that do not bind local bail out early.
1737 2006-10-10 Ben Elliston <bje@au.ibm.com>
1739 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1742 2006-10-09 Richard Henderson <rth@redhat.com>
1744 Revert emutls patch.
1746 2006-10-09 Richard Guenther <rguenther@suse.de>
1749 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1752 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1755 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1756 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1757 * configure: Regenerate.
1758 * config.in: Regenerate.
1760 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1762 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1764 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1766 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1767 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1768 Remove stray newline.
1770 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1772 * config/mips/mips.c (mips_classify_symbol): Do not return
1773 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1774 (mips_in_small_data_p): Tweak comments.
1776 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1778 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1780 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1782 * gimplify.c, sched-int.h: Fix comment typos.
1784 * sched-int.h: Fix comment typos.
1786 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1788 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1790 * sched-ebb.c (begin_schedule_ready): Use them.
1791 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1792 add_to_speculative_block, create_check_block_twin, speculate_insn,
1793 fix_jump_move, move_block_after_check): Ditto.
1794 * sched-rgn.c (new_ready): Ditto.
1796 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1798 PR rtl-optimization/29128
1799 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1800 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1801 allow interblock movement of speculation checks.
1803 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1806 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1807 casted to integer type.
1808 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1809 if they are significantly more expensive than [reg + index] ones.
1811 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1813 PR tree-optimization/29330
1814 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1815 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1816 on newly allocated ddrs.
1817 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1818 to VEC (loop_p, heap) pointer.
1819 (compute_data_dependences_for_loop): Adjust caller.
1820 (free_dependence_relations): Free DDR_LOOP_NEST.
1822 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1823 free DEPENDENCE_RELATIONS and DATAREFS.
1826 * builtins.c (expand_builtin_sync_operation,
1827 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1828 Use convert_to_mode to handle promoted arguments.
1830 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1832 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1834 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1836 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1838 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1840 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1841 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1842 Use <modeconstraint> instead of "r" as operand 1 constraint.
1844 2006-10-06 Olivier Hainque <hainque@adacore.com>
1846 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1847 Don't recurse on the pointed-to type.
1848 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1849 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1850 types with components of variable size.
1852 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1854 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1856 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1858 PR tree-optimization/29290
1859 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1863 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1864 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1867 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1868 the number of vector elements fill the rest with zeros.
1870 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1872 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1873 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1876 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1878 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1879 unnamed pattern into subsi3. Use correct constraints/predicates.
1880 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1881 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1883 2006-10-05 Ira Rosen <irar@il.ibm.com>
1885 * doc/loop.texi: Add data references analysis description.
1887 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1889 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1891 2006-10-04 Richard Henderson <rth@redhat.com>
1892 Jakub Jelinek <jakub@redhat.com>
1894 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1895 * builtin-types.def (BT_WORD): Make unsigned.
1896 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1897 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1898 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1899 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1900 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1901 * cgraph.c (decide_is_variable_needed): Look at force_output.
1902 Recurse for emulated tls.
1903 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1904 checks redundant with decide_is_variable_needed.
1905 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1906 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1908 * expr.c (emutls_var_address): New.
1909 (expand_expr_real_1): Expand emulated tls.
1910 (expand_expr_addr_expr_1): Likewise.
1911 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1912 * output.h (emutls_finish): Declare.
1913 * toplev.c (compile_file): Call it.
1914 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1915 address before wrapping in CONST.
1916 * varasm.c (emutls_htab, emutls_object_type): New.
1917 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1918 (get_emutls_object_name, get_emutls_object_type): New.
1919 (get_emutls_init_templ_addr, emutls_decl): New.
1920 (emutls_common_1, emutls_finish): New.
1921 (assemble_variable): When emulating tls, swap decls; generate
1922 constructor for the emutls objects.
1923 (do_assemble_alias): When emulating tls, swap decl and target name.
1924 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1926 * emutls.c: New file.
1927 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1928 tls_object for real tls.
1930 2006-10-04 Zack Weinberg <zackw@panix.com>
1932 Fix bug in constraint-check generator, reported by Rask Ingemann
1934 * genpreds.c (add_constraint): Don't remove anything from the
1936 (write_tm_constrs_h): Detect whether "op" argument is used, and
1937 mark it ARG_UNUSED if it isn't.
1938 (write_insn_const_int_ok_for_constraint): Skip the part of the
1939 expression that would test whether "op" (which is not available
1940 here) is a CONST_INT.
1942 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1945 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1947 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1949 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1950 current Leopard versions.
1951 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1953 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1955 * doc/install.texi: Fix typos.
1957 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1959 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1960 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1961 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1963 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1965 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1966 arg to be struct mach_header_64* instead.
1968 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1971 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1972 side effects after the outer expression's post side effects.
1974 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1976 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1977 comments to reflect actual behavior and relationship between
1978 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1980 * doc/c-tree.texi (Working with declarations): Fix documentation
1981 of FIELD_DECL likewise.
1983 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1986 * doc/extend.texi: Add used variable attribute description.
1988 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1991 * c.opt (Woverride-init): New.
1992 * c-opts.c (c_common_post_options): Default warn_override_init to
1994 * c-typeck.c (add_pending_init, output_init_element): Warn for
1995 overriding initializers without side effects.
1996 * doc/invoke.texi (-Woverride-init): Document.
1999 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
2001 PR rtl-optimization/28096
2002 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
2003 assignment has already been used as a destination earlier in the block.
2005 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
2007 * builtins.c (expand_builtin_setjmp): Delete.
2008 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
2009 <BUILT_IN_SETJMP_SETUP>: New case.
2010 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
2011 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
2012 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
2013 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
2014 (BUILT_IN_SETJMP_RECEIVER): Likewise.
2015 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
2016 (lower_function_body): Initialize it to false. If it is set to true
2017 at the end of the processing, emit the setjmp dispatcher.
2018 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
2019 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
2020 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
2021 on the rhs of the assignment.
2022 (lower_builtin_setjmp): New function.
2023 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
2024 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
2025 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
2026 to detect calls that can go to non-local labels. Use specific
2027 helper to create the abnormal edges associated with them.
2028 <MODIFY_EXPR>: Likewise.
2029 (make_abnormal_goto_edges): New function extracted from...
2030 (make_goto_expr_edges): ...here. Call it for computed gotos.
2031 (simple_goto_p): Minor tweak.
2032 (tree_can_make_abnormal_goto): New predicate.
2033 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
2034 (tree_purge_dead_abnormal_call_edges): New function.
2035 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
2036 (tree_purge_dead_abnormal_call_edges): Likewise.
2037 (make_abnormal_goto_edges): Likewise.
2038 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
2039 Purge all dead abnormal edges if the call was in the last statement.
2040 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
2041 (execute_fixup_cfg): If there are non-local labels in the function,
2042 scan the basic blocks and split them at calls that can go to non-local
2043 labels or add missing abnormal call edges. Write down the CFG in the
2045 (pass_fixup_cfg): Remove TODO_dump_func flag.
2046 * unwind-sjlj.c: Poison setjmp.
2047 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
2048 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
2049 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
2050 (DONT_USE_BUILTIN_SETJMP): Document it.
2052 2006-09-28 Geoffrey Keating <geoffk@apple.com>
2055 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
2056 to 1 when __ppc64__ is defined.
2057 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
2059 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
2061 2006-09-28 Steve Ellcey <sje@cup.hp.com>
2063 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
2064 * config/ia64/unwind-hpux.c: Delete.
2066 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
2068 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
2069 on the element before gimplifying it, instead of punting if it is of
2072 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
2074 * doc/loop.texi: New file.
2075 * doc/gccint.texi: Reference loop.texi.
2076 * Makefile.in (loop.texi): Add.
2078 2006-09-27 Geoffrey Keating <geoffk@apple.com>
2080 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
2082 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2083 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
2085 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
2087 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
2089 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
2091 * doc/install.texi: Document required versions of GMP and MPFR.
2093 2006-09-27 Paul Brook <paul@codesourcery.com>
2096 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
2098 2006-09-27 Richard Sandiford <richard@codesourcery.com>
2100 * reload1.c (alter_reg): Require the alignment of the stack slot to
2101 be at least reg_max_ref_width bytes.
2102 (scan_paradoxical_subregs): Record the largest width in
2105 2006-09-26 Jakub Jelinek <jakub@redhat.com>
2109 * tree-nested.c (struct nesting_info): Added static_chain_added.
2110 (convert_call_expr): Set static_chain_added when adding static
2111 chain. Handle OMP_PARALLEL and OMP_SECTION.
2113 2006-09-25 Matthias Klose <doko@debian.org>
2115 * doc/invoke.texi: Add missing full stop.
2117 2006-09-25 Richard Henderson <rth@redhat.com>
2119 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
2120 before cgraph_function_flags_ready.
2122 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
2123 Adam Nemet <anemet@caviumnetworks.com>
2125 * tree-ssa-loop-ivopts.c (aff_combination_convert,
2126 determine_common_wider_type): New functions.
2127 (get_computation_aff): Use them to simplify arithmetic between
2128 UBASE and CBASE if they are shortened from the same type.
2130 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
2133 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
2134 -2147483647 - 1 instead of 0x80000000.
2136 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
2138 * flags.h (HONOR_NANS): Fix typo in comment.
2140 2006-09-23 Uros Bizjak <uros@kss-loka.si>
2142 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
2144 2006-09-23 Jakub Jelinek <jakub@redhat.com>
2148 * tree.c (merge_attributes, attribute_list_contained): If both
2149 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
2151 * c-typeck.c (comptypes_internal): Don't consider aggregates
2152 in different TUs as compatible if there one set of attributes is
2153 not a subset of the other type's attributes.
2154 (composite_type): Try harder not to create a new aggregate type.
2156 2006-09-22 Geoffrey Keating <geoffk@apple.com>
2158 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
2159 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
2160 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
2161 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
2162 than replicating condition above.
2163 * config.host (i[34567]86-*-*): Always use driver-i386.o.
2165 * config/darwin.h (LINK_SYSROOT_SPEC): New.
2166 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2167 the linker by default.
2169 2006-09-22 Mike Stump <mrs@apple.com>
2171 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2174 2006-09-22 Richard Guenther <rguenther@suse.de>
2177 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2178 sort of stack variables stable.
2180 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2183 * explow.c (force_reg): Set REG_POINTER flag according to
2186 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2188 PR tree-optimization/28888
2189 * tree-if-conv.c (combine_blocks): Rewritten.
2190 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2191 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2193 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2195 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2198 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2200 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2202 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2204 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2206 2006-09-21 Roger Sayle <roger@eyesopen.com>
2209 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2210 dw_fde_current_label, to be the start of the function, i.e. the same
2211 value as dw_fde_begin.
2213 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2215 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2216 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2217 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2218 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2219 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2220 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2221 (abs<mode>2, neg<mode>2): Likewise.
2222 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2223 (*mips_abs_ps): New define_insn.
2225 2006-09-20 Josh Conner <jconner@apple.com>
2228 * calls.c (expand_call): Allow reuse of structure return stack
2231 2006-09-20 Paul Brook <paul@codesourcery.com>
2233 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2236 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2238 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2239 clean up terminology.
2241 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2244 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2245 with tablejumps in them.
2247 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2250 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2251 wrap it into TARGET_EXPR.
2253 2006-09-20 Eric Christopher <echristo@apple.com>
2255 * config/i386/i386.c (x86_fisttp): Remove.
2256 * config/i386/i386.h (x86_fisttp): Ditto.
2257 (TARGET_FISTTP): Ditto.
2259 2006-09-19 Eric Christopher <echristo@apple.com>
2261 * doc/tm.texi (OBJC_JBLEN): Describe.
2262 * config/i386/darwin.h (OBJC_JBLEN): Define.
2263 * config/rs6000/darwin.h: Ditto.
2265 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2267 PR rtl-optimization/21299
2268 * reload1.c (reload): Purge invalid ASMs in the final pass.
2270 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2273 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2274 pointers as legitimate constants.
2276 2006-09-19 Paul Brook <paul@codesourcery.com>
2279 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2281 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2283 PR tree-optimization/28887
2284 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2285 component parts from the reference.
2286 (gather_memory_references_ref): Record the reference without the
2287 nonaddressable component parts.
2289 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2292 * c-opts.c (c_common_handle_option): Ignore the -std options
2293 if the input language is assembly.
2295 2006-09-17 Ira Rosen <irar@il.ibm.com>
2298 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2300 (ptr_ptr_may_alias_p): Likewise.
2301 (record_record_differ_p): New function.
2302 (base_object_differ_p): Call record_record_differ_p.
2304 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2307 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2308 away for the expr argument.
2310 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2313 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2314 before using it for dumping after vectorizing loops.
2316 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2317 Jack Howarth <howarth@bromo.med.uc.edu>
2320 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2321 skip on error_mark_node.
2322 (rs6000_darwin64_record_arg_recurse): Likewise.
2324 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2326 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2327 * doc/rtl.texi: Remove related documentation.
2329 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2331 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2334 2006-09-15 Jim Wilson <wilson@specifix.com>
2336 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2337 Handle symbol offsets same as they are handled in ia64_expand_move
2340 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2342 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2343 Add forgotten parameter to the fprintf call.
2345 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2347 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2349 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2351 * doc/contrib.texi: Add my entry.
2353 2006-09-15 Nick Clifton <nickc@redhat.com>
2355 * doc/md.texi (Processor pipeline description): Fix typo in
2356 example of how to use the absence_set directive and reword the
2357 description to make it slightly easier to read.
2359 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2361 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2362 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2363 expanding the number of iterations.
2364 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2366 * cfgrtl.c (emit_insn_at_entry): New function.
2367 * rtl.h (emit_insn_at_entry): Declare it.
2368 * integrate.c (emit_initial_value_sets): Use it.
2370 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2372 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2374 (struct loop_work and related VEC declarations): Delete.
2375 (bfin_dump_loops): Print out new member bad.
2376 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2377 (bfin_scan_loop): Don't recurse.
2378 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2379 loops. No longer need to update outer loops if the current one is
2380 found bad. Move some validitiy checks to bfin_discover_loop.
2381 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2382 but changed not to check for nesting. Also changed to use the new bad
2384 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2385 time. Use bitmap based test to discover loop nesting.
2387 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2389 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2392 2006-09-14 Richard Guenther <rguenther@suse.de>
2393 Kazu Hirata <kazu@codesourcery.com>
2395 PR middle-end/28884.
2396 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2397 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2398 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2399 with TARGET_FUNCTION_VALUE.
2401 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2404 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2406 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2408 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2411 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2414 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2417 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2419 * basic_block.h (bb_has_eh_pred): Fix comment.
2421 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2423 * flow.c (calculate_global_regs_live): Invalidate eh registers
2424 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2425 (propagate_block): Handle eh registers as if they were set at basic
2427 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2429 * global.c (global_conflicts): Make eh registers to conflict with
2430 pseudos live at basic block begin.
2431 * basic_block.h (bb_has_eh_pred): New function.
2433 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2435 PR rtl-optimization/28982
2436 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2437 index of a PRE_MODIFY or POST_MODIFY address.
2438 * reload1.c (inc_for_reload): Use find_replacement on the original
2439 base and index registers.
2441 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2443 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2444 for -Os. Update __m128 alignment requirement.
2446 2006-09-13 Jan Hubicka <jh@suse.cz>
2448 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2450 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2452 PR rtl-optimization/28243
2453 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2454 the insn to which the note was originally attached.
2456 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2457 Roger Sayle <roger@eyesopen.com>
2459 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2460 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2461 on platforms that don't use dwarf for debug info.
2463 2006-09-12 Jason Merrill <jason@redhat.com>
2466 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2467 hard_frame_pointer_rtx after using it to update the frame pointer.
2469 2006-09-12 Roger Sayle <roger@eyesopen.com>
2471 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2472 (TARGET_ASM_CLOSE_PAREN): Likewise.
2473 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2474 (TARGET_ASM_CLOSE_PAREN): Likewise.
2476 2006-09-12 Roger Sayle <roger@eyesopen.com>
2479 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2480 frame information for frames larger than 512 Kbytes on Tru64 when
2481 using the native assembler.
2483 2006-09-12 Roger Sayle <roger@eyesopen.com>
2487 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2488 and symbols. Instead use the implementation from cse.c's hash_rtx.
2490 2006-09-12 Jan Hubicka <jh@suse.cz>
2492 PR rtl-optimization/28071
2493 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2494 (vect_transform_loop): Likewise.
2495 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2496 (new_loop_vec_info): Likewise.
2497 (destroy_loop_vec_info): Likewise.
2498 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2499 (create_stmt_ann): Likewise.
2500 (create_tree_ann): Rename to ...
2501 (create_tree_common_ann): ... this one; allocate only the common part
2503 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2504 (get_value_handle): Likewise.
2505 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2506 get_tree_common_ann.
2507 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2508 (vinfo_for_stmt): Use stmt annotations.
2509 * tree-flow.h (tree_ann_common_t): New type.
2510 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2511 (tree_ann, get_tree_ann, create_tree_ann): New.
2512 * tree-flow-inline.h (get_function_ann): Do more type checking.
2513 (stmt_ann): Likewise.
2514 (tree_ann): Rename to ...
2515 (tree_common_ann): ... this one; return ony common_ann
2516 (get_tree_ann): Rename to ...
2517 (tree_common_ann): This one; return only common_ann.
2518 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2521 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2523 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2524 with_cpu by default.
2526 * dwarf2out.c (dwarf_file_data): New.
2527 (enum dw_val_class): Add dw_val_class_file.
2528 (struct dw_val_struct): Add val_file.
2529 (file_table): Change to a hash table.
2530 (file_table_emitted): Delete.
2531 (file_table_last_lookup_index): Delete.
2532 (emitcount): Delete.
2533 (last_emitted_file): New.
2534 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2535 (init_file_table): Delete.
2536 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2537 (AT_addr): Add comment.
2541 (print_die): Handle dw_val_class_file.
2542 (print_dwarf_line_table): Update for new file table structure.
2543 (attr_checksum): Do checksum a filename.
2544 (same_dw_val_p, same_attr_p): Do compare a filename.
2545 (size_of_die): Handle dw_val_class_file.
2546 (value_format): Likewise.
2547 (output_die): Likewise. Also, call maybe_emit_file here.
2548 (struct file_info): Constify filenames. Make file_idx a pointer
2549 to a struct dwarf_file_data.
2550 (struct dir_info): Constify directory names. Remove 'used' field.
2551 (struct file_name_acquire_data): New.
2552 (file_name_acquire): New.
2553 (output_file_names): Modify to handle new file data structures.
2554 (add_src_coords_attributes): Use add_AT_file.
2555 (add_call_src_coords_attributes): Likewise.
2556 (dwarf2out_imported_module_or_decl): Likewise.
2557 (gen_subprogram_die): Modify for new file data structures.
2558 (gen_variable_die): Likewise.
2559 (file_table_eq): New.
2560 (file_table_hash): New.
2561 (file_table_last_lookup): New.
2562 (lookup_filename): Rewrite to handle new file data structures.
2563 (maybe_emit_file): Rewrite to handle new file data structures.
2564 (dwarf2out_source_line): Always call lookup_filename and
2566 (dwarf2out_init): Create file_table here.
2567 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2568 (file_table_relative_p): New.
2569 (dwarf2out_finish): Change detection of relative filenames
2570 to work with new file data structures. Move output_line_info call
2571 after debug_info output.
2573 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2578 * config/i386/i386.c (override_options): Always default to 16
2579 byte stack boundary.
2581 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2584 * var-tracking.c (dump_dataflow_set): Start dumping at
2586 (clobber_variable_part): Kill only the variable part in
2587 registers holding it, leaving other variables alone.
2589 2006-09-11 Josh Triplett <josh@freedesktop.org>
2591 * doc/extend.texi (Other Builtins): Actually use the macro
2592 argument in the documentation example for
2593 __builtin_types_compatible_p.
2595 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2597 PR rtl-optimization/28726
2598 * sched-deps.c (sched_analyze_reg): New function extracted from...
2599 (sched_analyze_1): ...here. Call it to analyze references to
2600 registers. Treat again writes to a stack register as writing to the
2602 (sched_analyze_2): ...and here. Call it to analyze references to
2603 registers. Treat again reads of a stack register as reading the
2606 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2607 David Edelsohn <edelsohn@gnu.org>
2610 * config/rs6000/spe.md (frob_df_di): Remove %H.
2611 (frob_di_df): Remove %H. Change evmergelo to mr.
2612 (frob_di_df_2): Remove %H. Change evldd to two loads.
2614 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2616 * doc/cpp.texi: Fix names of charset options.
2618 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2621 * config/i386/i386.c (override_options): Use 128-bit
2622 stack boundary always for 64bits.
2624 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2626 PR rtl-optimization/28636
2627 * combine.c (force_to_mode): Test for side-effects before
2628 substituting by zero.
2629 (simplify_shift_const): Likewise for zero or other constants.
2631 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2634 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2637 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2640 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2641 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2642 returned by mode_for_size, rather than the mode of src itself,
2643 to choose between 32-bit and 64-bit patterns.
2644 (mips_mem_fits_mode_p): New function.
2645 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2646 that the size of the source matches the size of the destination.
2647 (mov_<store>l, mov_<store>r): Likewise.
2649 2006-09-10 Eric Christopher <echristo@apple.com>
2651 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2654 2006-09-09 Eric Christopher <echristo@apple.com>
2657 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2660 2006-09-09 Roger Sayle <roger@eyesopen.com>
2661 Nicolas Setton <setton@adacore.com>
2663 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2665 2006-09-10 Andreas Schwab <schwab@suse.de>
2667 * config/m68k/m68k.md (bungt_rev): New pattern.
2669 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2670 Dale Johannesen <dalej@apple.com>
2673 * regclass.c (struct reg_pref): Update documentation.
2674 (regclass): Set prefclass to NO_REGS if memory is the best option.
2675 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2677 2006-09-08 Eric Christopher <echristo@apple.com>
2679 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2680 * config/t-slibgcc-darwin: Support x86_64 multilib.
2681 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2682 Return 1 for x86_64-darwin.
2683 * config/i386/t-darwin: Add m64 multilib.
2684 (LIB2_SIDITI_CONV_FUNCS): Use.
2685 (LIB2FUNCS_EXTRA): Ditto.
2686 * config/i386/darwin.h: Support x86_64.
2687 * config/i386/i386.c (override_options): Turn on flag_pic
2688 for x86_64-darwin. Disable flag_omit_pointer.
2689 (get_pc_thunk_name): Assert !TARGET_64BIT.
2690 (legitimate_address_p): Disable machopic addressing for
2692 (legitimize_pic_address): Ditto.
2693 (ix86_expand_move): Ditto.
2694 (ix86_expand_call): Ditto.
2695 (machopic_output_stub): Ditto.
2696 * config/darwin.c (machopic_select_section): Support literal16.
2697 (machopic_select_rtx_section): Ditto.
2698 * config/darwin-sections.def: Ditto.
2699 * config/darwin-64.c: New.
2701 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2704 * c-tree.h (struct c_arg_info): Add pending_sizes.
2705 * c-parser.c (c_parser_parms_declarator,
2706 c_parser_parms_list_declarator): Initialize pending_sizes.
2707 * c-decl.c (get_parm_info): Initialize pending_sizes.
2708 (get_parm_info): Set pending_sizes.
2709 (grokdeclarator): Call put_pending_sizes for parameters for
2710 function definition only.
2712 2006-09-07 Jason Merrill <jason@redhat.com>
2715 * varasm.c (output_constant): Only strip actual no-op conversions.
2718 * config/i386/i386.c (override_options): Use 128-bit
2719 stack boundary if -msse.
2721 2006-09-07 Eric Christopher <echristo@apple.com>
2723 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2725 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2728 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2730 * dwarf2out.c: Remove strange characters from comment above
2731 dwarf2out_frame_debug_expr.
2733 2006-09-07 Eric Christopher <echristo@apple.com>
2735 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2736 * config/darwin.h: ... to here.
2738 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2740 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2742 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2743 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2745 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2746 TARGET_PARTIAL_FLAG_REG_STALL.
2747 (*ashldi3_cconly_rex64): Likewise.
2748 (*ashlsi3_cmp): Likewise.
2749 (*ashlsi3_cconly): Likewise.
2750 (*ashlsi3_cmp_zext): Likewise.
2751 (*ashlhi3_cmp): Likewise.
2752 (*ashlhi3_cconly): Likewise.
2753 (*ashlqi3_cmp): Likewise.
2754 (*ashlqi3_cconly): Likewise.
2755 (*ashrdi3_cmp_rex64): Likewise.
2756 (*ashrdi3_cconly_rex64): Likewise.
2757 (*ashrsi3_cmp): Likewise.
2758 (*ashrsi3_cconly): Likewise.
2759 (*ashrsi3_cmp_zext): Likewise.
2760 (*ashrhi3_cmp): Likewise.
2761 (*ashrhi3_cconly): Likewise.
2762 (*ashrqi3_cmp): Likewise.
2763 (*ashrqi3_cconly): Likewise.
2764 (*lshrdi3_cmp_rex64): Likewise.
2765 (*lshrdi3_cconly_rex64): Likewise.
2766 (*lshrsi3_cmp): Likewise.
2767 (*lshrsi3_cconly): Likewise.
2768 (*lshrsi3_cmp_zext): Likewise.
2769 (*lshrhi3_cmp): Likewise.
2770 (*lshrhi3_cconly): Likewise.
2771 (*lshrqi2_cmp): Likewise.
2772 (*lshrqi2_cconly): Likewise.
2774 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2777 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2778 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2779 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2780 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2781 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2782 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2783 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2784 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2785 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2786 implement only CC setting effects of shift instructions.
2788 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2790 * doc/contrib.texi: Add myself.
2792 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2795 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2796 was set by the user.
2798 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2801 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2802 (divsi_inv_m1): Use them.
2803 (UNSPEC_DIV_INV_TABLE): New constant.
2805 2006-09-06 James E Wilson <wilson@specifix.com>
2808 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2809 then call count_or_remove_death_notes.
2811 2006-09-06 Jason Merrill <jason@redhat.com>
2814 * tree-inline.c (copy_result_decl_to_var): New fn.
2815 (declare_return_variable): Use it. Call declare_inline_vars here.
2816 (expand_call_inline): Not here.
2818 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2820 * doc/contrib.texi: Update my entry.
2822 2006-09-06 Nick Clifton <nickc@redhat.com>
2824 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2826 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2829 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2830 (canonicalize_induction_variables): Likewise.
2831 (tree_unroll_loops_completely): Likewise.
2832 (tree_ssa_prefetch_arrays): Likewise.
2833 (remove_empty_loops): Likewise.
2834 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2835 TODO_cleanup_cfg instead of directly calling
2836 cleanup_tree_cfg_loop.
2837 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2839 (tree_unroll_loops_completely): Likewise.
2840 (remove_empty_loops): Likewise.
2841 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2842 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2843 of tree_ssa_unswitch_loops.
2844 (tree_ssa_loop_ivcanon): Use the return value of
2845 canonicalize_induction_variables.
2846 (tree_ssa_empty_loop): Use the return value of
2848 (tree_complete_unroll): Use the return value of
2849 tree_unroll_loops_completely.
2850 (tree_ssa_loop_prefetch): Use the return value of
2851 tree_ssa_prefetch_arrays.
2852 * passes.c (execute_todo): Before Cleanup CFG, set
2853 updating_used_alone and after cleanup CFG, call
2854 recalculate_used_alone.
2856 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2859 * tree-vect-transform.c (vectorizable_condition): Move the check
2860 for the type after the check for simple condition.
2862 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2863 Kaz Kojima <kkojima@gcc.gnu.org>
2866 * mode-switching.c (optimize_mode_switching): Make the destination
2867 block of an abnormal edge have no anticipatable mode. Don't
2868 insert mode switching code at the end of the source block of
2871 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2873 PR rtl-optimization/26847
2874 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2875 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2876 (simplify_plus_minus): Count n_constants while filling ops. Replace
2877 qsort with insertion sort. Before going through the array to simplify
2878 pairs, sort it. Delay early exit until after the first sort, exiting
2879 only if no swaps occurred. Simplify pairs in reversed order, without
2880 special-casing the first iteration. Pack ops after simplifying pairs.
2882 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2884 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2885 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2886 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2887 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2889 2006-09-05 Richard Guenther <rguenther@suse.de>
2891 PR tree-optimization/28900
2892 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2893 compound conditional before creating COND_EXPR condition.
2895 2006-09-05 Richard Guenther <rguenther@suse.de>
2897 PR tree-optimization/28905
2898 * tree-vrp.c (fix_equivalence_set): Manually implement
2899 !value_ranges_intersect_p to also handle symbolic ranges.
2901 2006-09-05 Richard Guenther <rguenther@suse.de>
2904 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2907 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2909 PR rtl-optimization/27616
2910 * cse.c (table_size): New static variable.
2911 (new_basic_block): Initialize it to 0.
2912 (remove_from_table): Decrement it.
2913 (insert): Increment it.
2914 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2915 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2916 fold_rtx_mem_1 if under the cap.
2917 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2918 the lookup of the equivalent expression and test for equality of the
2919 first operand of the equivalent expression before in turn looking up
2920 an equivalent constant for the second operand.
2922 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2925 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2926 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2927 pointer, instead of assuming it is possible to derive the
2928 correct args size from a call insn.
2930 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2933 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2934 (fold_builtin_mempcpy): Rename to...
2935 (fold_builtin_memory_op): ... this. Optimize one element copy
2937 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2939 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2940 (expand_builtin_memcpy, expand_builtin_mempcpy,
2941 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2942 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2943 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2944 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2946 2006-09-01 DJ Delorie <dj@redhat.com>
2948 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2949 (stzx_16): Likewise.
2950 ("stzx_24_<mode>"): Likewise.
2951 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2952 ("cmp<mode>_op"): New.
2953 (cmp<mode>): Change to expander; just save operands.
2955 (b<code>): Change to expander, emit compare here.
2956 (s<code>_op): Change to use split and expander.
2957 (s<code>_24_op): Likewise.
2958 (s<code>_<mode>): New.
2959 (s<code>_<mode>_24): New.
2960 (movqicc_<code>_<mode): New.
2961 (movhicc_<code>_<mode>): New.
2964 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2965 (m32c_pend_compare): New.
2966 (m32c_unpend_compare): New.
2967 (m32c_expand_scc): New.
2968 (m32c_expand_movcc): Emit the compare also.
2969 * config/m32c/predicates.md (mra_nopp_operand): New.
2971 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2972 Richard Guenther <rguenther@suse.de>
2973 Adam Nemet <anemet@caviumnetworks.com>
2976 * builtins.c (get_pointer_alignment): Handle more forms
2977 of base addresses that can be used to derive more precise
2978 information about alignment.
2980 2006-09-01 Jason Merrill <jason@redhat.com>
2983 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2986 * gimplify.c (voidify_wrapper_expr): Handle null type.
2988 2006-09-01 Josh Conner <jconner@apple.com>
2991 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2992 (execute_return_slot_opt): Use it.
2994 2006-08-31 Josh Conner <jconner@apple.com>
2997 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2998 returning aggregates.
3000 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
3002 PR tree-optimization/28839
3003 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
3004 blocks in that phi arguments appear.
3006 2006-08-31 Roger Sayle <roger@eyesopen.com>
3009 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
3010 NULL, otherwise use an advance_loc4 to adjust relative to the
3012 (output_cfi) <DW_CFA_set_loc>: Update the current label.
3013 (dwarf2out_switch_text_section): Reset the current label to avoid
3014 using advance_loc4 over section boundaries.
3016 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
3019 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
3020 r12 + SYMBOLIC_CONST.
3022 2006-08-30 Richard Guenther <rguenther@suse.de>
3024 * Makefile.in (see.o): Add $(EXPR_H) dependency.
3026 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
3028 PR rtl-optimization/27735
3029 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
3030 Add new argument to keep track of whether an irreducible region
3031 was affected. All callers changed.
3032 (fix_irreducible_loops): Removed.
3033 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
3034 flags were invalidated.
3036 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
3038 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
3039 instead of SF operands.
3040 (*fop_df_comm_sse): Likewise.
3041 (*fop_df_comm_i387): Likewise.
3042 (*fop_df_1_mixed): Likewise.
3043 (*fop_df_1_sse): Likewise.
3045 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
3046 J"orn Rennecke <joern.rennecke@st.com>
3048 PR tree-optimization/17506
3049 * tree-ssa.c (warn_uninit): If warning about a location outside of
3050 the current function, note where the variable was declared.
3052 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
3054 PR tree-optimization/28411
3055 * double-int.c (double_int_div): Use double_int_divmod.
3056 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
3057 double_int_mod, double_int_smod, double_int_umod): New functions.
3058 * double-int.h (double_int_divmod, double_int_sdivmod,
3059 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
3061 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
3063 (get_computation_aff, get_computation_cost_at): Handle double_int
3064 return type of constant_multiple_of.
3066 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
3069 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
3070 an implicit conversion.
3072 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
3074 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
3076 2006-08-27 Roger Sayle <roger@eyesopen.com>
3078 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
3081 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
3083 * config/i386/crtfastmath.c: Fix a comment typo.
3085 2006-08-26 Roger Sayle <roger@eyesopen.com>
3087 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
3088 temporary visit flags on CASE_LABEL_EXPRs.
3089 * c-common.c (match_case_to_enum): Add function comment. Avoid
3090 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
3091 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
3092 CASE_HIGH_SEEN for enumerated types. If the switch expression is
3093 a constant, only warn if that constant value isn't handled.
3095 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
3098 * input.h (restore_input_file_stack): Declare.
3099 (INPUT_FILE_STACK_BITS): Define.
3100 * toplev.c (fs_p, input_file_stack_history,
3101 input_file_stack_restored, restore_input_file_stack): New.
3102 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
3103 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
3104 (pop_srcloc): Don't free old state of stack.
3106 2006-08-26 David Edelsohn <edelsohn@gnu.org>
3109 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
3110 (PowerPC Type Attributes): New.
3112 2006-08-26 Bob Wilson <bob.wilson@acm.org>
3114 * config/xtensa/xtensa.c (function_arg_boundary): New.
3115 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
3117 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
3118 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
3120 2006-08-26 Jakub Jelinek <jakub@redhat.com>
3123 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
3126 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3128 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
3129 (verify_local_live_at_start): Likewise.
3131 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3134 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
3135 omp_add_variable): Treat sizes as variable whenever not
3138 2006-08-26 Richard Guenther <rguenther@suse.de>
3141 * fold-const.c (fold_binary): Fold temporary to correct
3142 type before constructing new comparison.
3144 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
3147 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
3148 variable again if DECL_SEEN_IN_BIND_EXPR_P.
3150 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
3153 * c-decl.c (start_function): Don't try to process prototype
3154 information from old declaration that isn't a function.
3156 2006-08-25 Jan Hubicka <jh@suse.cz>
3159 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
3161 2006-08-25 Alan Modra <amodra@bigpond.net.au>
3164 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3167 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3169 PR tree-optimization/16876
3170 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3171 exit if PARM doesn't match VALUE.
3173 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3175 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3176 literal_prefix directive.
3177 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3178 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3179 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3181 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3184 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3185 predicate to general_operand. Add 0->y and I->r alternatives.
3187 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3189 * doc/tm.texi: Fix a typo.
3190 * predict.c: Fix comment typos.
3192 2006-08-25 Nick Clifton <nickc@redhat.com>
3194 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3195 assertions of "cpu" and "machine".
3197 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3200 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3201 the access through a base which has an alias set of 0 cannot
3204 2006-08-24 Bill Wendling <wendling@apple.com>
3206 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3208 2006-08-24 Jan Hubicka <jh@suse.cz>
3210 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3212 2006-08-24 Jan Hubicka <jh@suse.cz>
3215 * cgraph.c: Fix comments.
3216 (cgraph_varpool_mark_needed_node): Mark only variables not already
3218 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3219 (cgraph_varpool_assembled_nodes_queue): New static variable.
3220 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3221 (cgraph_varpool_output_debug_info): New function.
3222 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3223 * Makefile.in: Add gt-cgraphunit.h
3225 2006-08-24 Jan Hubicka <jh@suse.cz>
3227 * predict.c (probability_reliable_p): New predicate.
3228 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3229 (predict_loops): Do not predict loop exit with less than 2%
3231 * basic-block.h (edge_probability_reliable_p,
3232 br_prob_note_reliable_p): Declare.
3233 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3234 prediction when static predictor is not reliable.
3235 * rs6000.c (output_cbranch): Likewise.
3237 2006-08-23 Stuart Hastings <stuart@apple.com>
3240 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3241 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3243 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3246 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3247 complex values, nor for generic vector values.
3249 2006-08-22 Richard Guenther <rguenther@suse.de>
3252 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3253 parameter. Convert arguments to arithmetic expression to the
3255 (analyze_scalar_evolution_1): Adjust caller.
3257 2006-08-22 Jan Hubicka <jh@suse.cz>
3259 Patch by Paolo Bonzini
3260 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3263 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3265 PR tree-optimization/28003
3266 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3267 before grouping aliases.
3269 2006-08-22 Roger Sayle <roger@eyesopen.com>
3271 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3272 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3274 2006-08-21 Jason Merrill <jason@redhat.com>
3277 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3278 wrapper. Loop to handle nested wrappers.
3279 (gimplify_bind_expr): Remove temp parameter.
3280 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3281 and STATEMENT_LIST on the rhs.
3282 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3283 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3284 (gimplify_target_expr): Remove special BIND_EXPR handling.
3286 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3288 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3291 2006-08-21 Olivier Hainque <hainque@adacore.com>
3293 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3294 Arrange for the temporary captures of components overlapping the lhs
3295 to happen before the lhs is possibly cleared.
3297 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3299 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3300 necessary places to pass the correct "number of registers" values
3303 2006-08-20 Jan Hubicka <jh@suse.cz>
3305 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3306 (create_name_tags): Instead of quadratic checking use hashtable.
3307 * bitmap.h: Include hashtab.h.
3308 (bitmap_hash): Declare.
3309 * bitmap.c (bitmap_hash): New function.
3311 2006-08-20 Jan Hubicka <jh@suse.cz>
3313 PR rtl-optimization/28071
3314 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3316 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3317 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3318 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3319 cgraph_decide_inlining_incrementally): Update use of
3320 cgraph_check_inline_limits.
3321 * cgraph.c (edge_hash, edge_eq): New function.
3322 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3323 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3324 cgraph_remove_node): Maintain call site hash.
3325 * cgraph.h (struct cgraph_node): Add call_site_hash.
3326 (cgraph_set_call_stmt): New function.
3328 2006-08-20 Jan Hubicka <jh@suse.cz>
3330 PR rtl-optimization/28071
3331 * reload1.c (reg_has_output_reload): Turn into regset.
3332 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3333 choose_reload_regs, emit_reload_insns): Update to new
3334 reg_has_output_reload.
3336 2006-08-20 Jan Hubicka <jh@suse.cz>
3339 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3340 function body sizes.
3341 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3343 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3346 * tree.c (handle_dll_attribute): Return early if not a
3347 var or function decl.
3349 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3352 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3353 alignment of SPE vector types.
3355 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3357 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3359 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3362 * cgraph.h (struct cgraph_node): Remove externally_visible
3364 * cgraphunit.c (process_function_and_variable_attributes): Set
3365 local.externally_visible rather than externally_visible.
3368 * c-common.c (handle_externally_visible_attribute): First look
3369 at TREE_CODE and only if it is function or var decl, check for
3370 non-public objects. Don't warn for DECL_EXTERNAL.
3371 * cgraphunit.c (process_function_and_variable_attributes): Warn
3372 if externally_visible attribute is used on non-public object.
3374 2006-08-17 Jan Hubicka <jh@suse.cz>
3376 PR tree-optimization/27865
3377 * reload1.c (forget_marked_reloads): New function.
3378 (forget_old_reloads_1): When data are passed, just mark the registers
3380 (reload_as_needed): Use the new mechanizm.
3382 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3385 * reload.h (reg_equiv_alt_mem_list): New declaration.
3386 * reload1.c (reg_equiv_alt_mem_list): New definition.
3387 (reload): Initialize it and release it.
3388 (delete_output_reload): Use it.
3389 * reload.c (push_reg_equiv_alt_mem): New function.
3390 (find_reloads_toplev): Call it.
3391 (find_reloads_address, find_reloads_address_1): Likewise.
3392 (find_reloads_subreg_address): Likewise.
3394 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3396 PR rtl-optimization/28489
3397 * sched-ebb.c (begin_schedule_ready): Create basic block
3399 (advance_target_bb): Skip empty blocks.
3400 * haifa-sched.c (bb_note): Make global.
3401 * sched-int.h (bb_note): Add prototype.
3403 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3405 PR tree-optimization/27865
3406 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3408 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3409 fold_used_pointer, pointer_used_p): New functions.
3410 (analyze_scalar_evolution_1): Use fold_used_pointer.
3411 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3412 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3415 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3418 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3419 or the INTEGER_CST. Fail on a CALL_EXPR.
3420 (fold_offsetof): Pass new argument to fold_offsetof_1.
3421 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3422 operand into an INDIRECT_REF.
3423 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3425 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3427 PR gcov/profile/26570
3428 * value-prof.c (static_values): Removed.
3429 (tree_find_values_to_profile): Do not set static_values.
3430 (find_values_to_profile): Do not free static_values.
3431 * profile.c (instrument_values): Do not free the values.
3432 (branch_prob): Free the values.
3434 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3436 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3438 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3441 * c-typeck.c (build_component_ref): Combine qualifiers of
3442 structure or union and field.
3444 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3446 PR rtl-optimization/28071
3447 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3448 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3449 * tree-into-ssa.c (struct dom_dfsnum): New.
3450 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3452 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3453 compute_global_livein.
3454 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3455 in phi nodes in the correct blocks.
3457 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3459 PR tree-optimization/28364
3460 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3462 (fold_affine_expr): New function.
3463 (may_eliminate_iv): Use fold_affine_expr.
3465 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3468 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3471 2006-08-16 Mike Stump <mrs@apple.com>
3473 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3474 * doc/cppopts.texi (-MD): Likewise.
3476 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3479 * c-common.c (handle_weak_attribute): Ignore and warn if
3480 not a FUNCTION_ or VAR_DECL.
3482 2006-07-15 Mike Stump <mrs@apple.com>
3485 * c-parser.c (c_parser_typeof_specifier): Don't use
3486 c_finish_expr_stmt, open code desired semantics instead.
3488 2006-08-15 Nick Clifton <nickc@redhat.com>
3490 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3491 fragment to tmake_file only if threads are enabled.
3492 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3493 * config/i386/t-gthr-win32: New file. ... here.
3495 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3498 * c-parser.c (c_parser_compound_statement_nostart): Reset
3499 parser->error after each statement.
3501 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3504 * omp-low.c (lower_omp_parallel): Convert t to
3505 receiver_decl's type.
3506 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3507 source before comparison.
3510 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3511 to itype in assignment to oldival2.
3513 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3517 * c-typeck.c (build_compound_expr): If the second expression
3518 is an error mark, then just return an error mark instead of
3519 creating a COMPOUND_EXPR.
3521 2006-07-14 Mike Stump <mrs@apple.com>
3523 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3525 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3527 * c-decl.c, var-tracking.c: Fix comment typos.
3529 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3531 PR rtl-optimization/28634
3532 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3533 for floating-point modes unless flag_unsafe_math_optimizations.
3535 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3536 Andrew Pinski <pinskia@physics.uc.edu>
3539 * tree.c (build_array_type): Unify array types with
3540 unspecified index_type.
3541 * c-decl.c (grokdeclarator): Make sure we do not modify a
3542 unified incomplete array type.
3543 * c-typeck.c (store_init_value): Create distinct type before
3544 filling in the index type in an initializer from a compound
3547 * c-decl.c (grokdeclarator): Remove code where we copy the
3550 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3552 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3553 into account for TODO_dump_cgraph.
3554 (TODO_update_ssa_no_phi): Likewise.
3555 (TODO_update_ssa_full_phi): Likewise.
3556 (TODO_update_ssa_only_virtuals): Likewise.
3557 (TODO_remove_unused_locals): Likewise.
3558 (TODO_set_props): Likewise.
3559 (TODO_update_stmt_usage): Likewise.
3561 2006-08-13 Dirk Mueller <dmueller@suse.de>
3563 * c-common.c (strict_aliasing_warning): Fix formatting.
3565 2006-08-13 Matthias Klose <doko@debian.org>
3567 * doc/invoke.texi: Fix spelling errors.
3569 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3571 PR rtl-optimization/23454
3572 * reorg.c (relax_delay_slots): Update comment.
3574 2006-08-11 Richard Guenther <rguenther@suse.de>
3577 * simplify-rtx.c (simplify_const_relational_operation):
3578 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3581 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3583 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3584 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3586 2006-08-10 Paul Brook <paul@codesourcery.com>
3588 * final.c (final_scan_insn): Clear current_insn_predicate before
3589 outputting inline asm.
3591 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3593 PR tree-optimization/26197
3594 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3595 get_ref_base_and_extent and overlap_subvar to add only relevant
3596 subvars as may-aliases.
3597 (add_may_alias_for_new_tag): New function, factored out of
3599 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3600 with additional argument.
3601 * tree-flow.h (new_type_alias): Takes additional argument.
3603 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3605 * gcov.c (no_data_file): New flag.
3606 (read_count_file): Set it if data file not present. Assume counts
3608 (output_lines): Don't name the data file, if there wasn't one.
3610 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3612 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3613 (rs6000_generate_compare): Tweak comments.
3614 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3616 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3618 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3619 (var_debug_decl): New function.
3620 (var_reg_set): Follow debug decl link. Add location even if
3621 reg is already known to hold some other variable.
3622 (var_mem_set): Follow debug decl link.
3623 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3624 decl link. Delete other known locations of the variable part
3626 (var_reg_delete, var_mem_delete): Delete other known locations
3627 of the variable part if requested.
3628 (same_variable_part_p): New function.
3629 (add_stores): Select MO_COPY when appropriate.
3630 (vt_initialize): Handle it.
3631 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3632 known locations for MO_SET and MO_CLOBBER.
3633 (find_variable_location_part): New function.
3634 (set_variable_part, delete_variable_part): Use it.
3635 (clobber_variable_part): New function.
3636 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3639 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3641 PR tree-optimization/26969
3642 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3643 with an empty list of PHIs.
3645 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3649 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3652 2006-08-06 Andreas Schwab <schwab@suse.de>
3654 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3655 string. Whitespace and comment fixup.
3657 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3660 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3664 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3667 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3669 2006-08-04 Jan Hubicka <jh@suse.cz>
3673 * reload.c (push_reload): Patch out the mismatching instruction;
3675 (find_reload): Bail out if the instruction was patched out.
3677 2006-08-04 Jan Hubicka <jh@suse.cz>
3679 PR tree-optimization/24888
3680 * tree-inline.c (expand_call_inline): Do not re-record variables.
3681 (declare_inline_vars): Add variable to unexpanded_var_list.
3683 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3684 Roger Sayle <roger@eyesopen.com>
3686 PR rtl-optimization/26244
3687 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3688 inner_const are negative or greater than or equal to the bitsize of
3689 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3690 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3691 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3692 CONST0_RTX (mode) when the new shift count is greater than or equal to
3693 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3696 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3698 * tree-cfg.c: Fix a comment typo.
3700 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3703 * varasm.c (output_constant): Give the front end another chance to
3704 expand constants, after stripping NOPs.
3706 2006-08-03 Jan Hubicka <jh@suse.cz>
3708 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3711 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3713 PR tree-optimization/27770
3714 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3715 declaration removed (moved to tree-flow.h).
3716 (vect_can_force_dr_alignment_p): Likewise.
3717 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3718 (moved from tree-vectorizer.h).
3719 (vect_can_force_dr_alignment_p): Likewise.
3720 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3721 from outside the vectorizer - in particular from cgraph stage.
3722 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3723 the alignment of global arrays when -fsection-anchors is enabled.
3724 * cgraphunit.c (cgraph_increase_alignment): New function.
3725 (cgraph_optimize): Call cgraph_increase_alignment.
3727 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3730 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3731 not reload a SPE symbol_ref into a lo_sum address.
3733 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3736 * dwarf2out.c (prune_unused_types_prune): Move call to
3737 prune_unused_types_update_strings to cover the parent DIE also.
3739 2006-08-02 Jan Hubicka <jh@suse.cz>
3741 PR gcov/profile/28480
3742 * tree-cfg.c (change_bb_for_stmt): New function.
3743 (tree_merge_blocks, tree_split_blocks): Use it.
3745 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3751 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3752 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3753 (cgraph_optimize): Likewise.
3755 2006-08-01 Stuart Hastings <stuart@apple.com>
3757 * rtl.h (UINTVAL) New.
3758 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3759 * testsuite/gcc.dg/20060801-1.c: New.
3761 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3764 * c-typeck.c (build_external_type): Mark used enum types.
3765 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3767 (gen_subprogram_die): Whitespace fix.
3769 2006-08-01 Jan Hubicka <jh@suse.cz>
3771 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3772 bitmap when not needed.
3773 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3776 2006-08-01 Dirk Mueller <dmueller@suse.de>
3778 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3780 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3782 * Makefile.in: Revert part of previous patch:
3783 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3786 2006-07-30 Eric Christopher <echristo@apple.com>
3789 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3790 (PowerPC Variable Attributes): New section.
3792 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3794 PR target/28126 (partial fix)
3795 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3797 2006-07-28 Jan Hubicka <jh@suse.cz>
3799 PR rtl-optimization/28071
3800 * cfgrtl.c (rtl_delete_block): Free regsets.
3801 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3803 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3805 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3806 and variables used in dependencies.
3808 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3810 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3811 %fs for -mcmodel=kernel.
3812 (stack_tls_protect_test_di): Likewise.
3814 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3816 * Makefile.in: Use mkinstalldirs.
3818 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3821 * opts-common.c (prune_options): Skip joined switches.
3823 2006-07-27 Jan Hubicka <jh@suse.cz>
3825 PR rtl-optimization/28071
3826 * cselib.c (cselib_process_insn): Don't remove useless values too
3827 often for very large hashtables.
3829 2006-07-27 Jan Hubicka <jh@suse.cz>
3831 PR rtl-optimization/28071
3832 * global.c (greg_obstack): New obstack.
3833 (allocate_bb_info): Use it.
3834 (free_bb_info): Likewise.
3835 (modify_reg_pav): Likewise.
3837 2006-07-27 Roger Sayle <roger@eyesopen.com>
3839 * builtins.c (fold_fixed_mathfn): When long and long long are the
3840 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3841 functions to their lceil*, lfloor*, lround* and lrint* forms.
3843 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3846 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3848 (rev_branch_insn): Likewise.
3850 2006-07-27 Jan Hubicka <jh@suse.cz>
3852 PR rtl-optimization/28071
3853 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3854 (reg_set_in_bb, max_reg_computed): New static variables.
3855 (regmove_optimize): Free the new array.
3856 (fixup_match_1): Update call of reg_is_remote_constant_p.
3858 2006-07-26 Jan Hubicka <jh@suse.cz>
3860 PR tree-optimization/27882
3861 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3863 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3865 (cgraph_analyze_compilation_unit): Likewise.
3866 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3867 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3868 (cgraph_early_inlinine): Make order garbage collected.
3869 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3871 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3873 * dbxout.c (output_types_sort): Add a comment.
3874 (output_used_types): Free the VEC.
3876 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3878 * function.c (reorder_fix_fragments): Delete.
3879 (reorder_blocks): Don't call it.
3880 (reorder_blocks_1): Put all subblocks under the origin block.
3882 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3884 PR rtl-optimization/27907
3885 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3888 2006-07-25 Roger Sayle <roger@eyesopen.com>
3891 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3892 bar(x) check that bar's result type can represent all the values of T.
3894 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3896 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3898 2006-07-25 Nick Clifton <nickc@redhat.com>
3900 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3901 size_lookup[] array.
3902 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3903 (ggc_pch_count_object): Likewise.
3904 (ggc_pch_alloc_object): Likewise.
3905 (ggc_pch_write_object): Likewise.
3906 (init_ggc): Do not attempt to initialize entries in the
3907 size_lookup[] array for objects whose size is greater than than
3908 the length of the array.
3910 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3912 * dbxout.c (output_used_types_helper): Push queued types
3914 (output_types_sort): New.
3915 (output_used_types): Collect used types on a VEC and sort them
3918 2006-07-24 Richard Guenther <rguenther@suse.de>
3921 * cgraph.c (cgraph_remove_node): Do not check if dumps
3923 * cgraphunit.c (cgraph_optimize): Likewise.
3925 2006-07-24 Jan Hubicka <jh@suse.cz>
3927 PR rtl-optimization/28071
3928 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3929 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3930 splitting before first stmt.
3932 2006-07-24 Jan Hubicka <jh@suse.cz>
3934 PR rtl-optimization/28071
3935 * ipa-inline.c (update_caller_keys): Remove edges that
3936 are no longer inline candidates.
3938 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3941 * dbxout.c (output_used_types_helper, output_used_types): New.
3942 (dbxout_symbol): Call output_used_types.
3944 2006-07-23 Jan Hubicka <jh@suse.cz>
3948 * cgraph.c (cgraph_varpool_nodes): Export.
3949 (decide_is_variable_needed): Ignored "used" attribute in
3950 unit-at-a-time mode.
3951 * cgraph.h (cgraph_varpool_nodes): Declare.
3952 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3953 unit-at-a-time mode.
3955 2006-07-23 Roger Sayle <roger@eyesopen.com>
3958 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3959 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3960 the __gthrw form of thr_keycreate.
3961 (__gthread_key_delete): Silence the unused argument warning.
3963 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3966 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3967 Cache the last found '\0' marker to avoid quadratic behavior.
3969 2006-07-23 Jan Hubicka <jh@suse.cz>
3971 * i386.md (subsi_3_zext): Fix output template.
3973 2006-07-21 Mike Stump <mrs@apple.com>
3975 * doc/invoke.texi (C++ Dialect Options): Note that
3976 -fvisibility-inlines-hidden doesn't affect explicitly
3977 instantiationed inline methods.
3979 2006-07-20 Roger Sayle <roger@eyesopen.com>
3981 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3982 if the target assembler is GNU binutils' gas.
3983 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3984 whether to pass GNU gas or native as command line options.
3986 2006-07-20 Jason Merrill <jason@redhat.com>
3988 * tree.c (remove_attribute): New fn.
3989 * tree.h: Declare it.
3991 2006-07-20 Paul Brook <paul@codesourcery.com>
3994 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3995 they are invalidated by this instruction.
3997 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
4000 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
4002 2006-07-20 Eric Christopher <echristo@apple.com>
4005 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
4007 2006-07-19 Eric Christopher <echristo@apple.com>
4009 * config/t-slibgcc-darwin (stmp-lipo): Remove.
4010 Rewrite dependencies for libgcc_s.1.dylib.
4012 2006-07-19 Jakub Jelinek <jakub@redhat.com>
4014 * except.c (duplicate_eh_regions_1): Clear next_peer.
4016 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
4018 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
4019 -mlongcall does not guarantee all calls will be long.
4020 * doc/extend.texi (long_call/short_call): Document that longcall
4021 does not guarantee a long call will be used.
4022 (longcall/shortcall): Likewise.
4024 2006-07-18 Roger Sayle <roger@eyesopen.com>
4027 * expmed.c (expand_shift): Additionally check that the shift_cost
4028 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
4029 before implementing a LSHIFT_EXPR as a sequence of additions.
4030 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
4031 middle-end that DImode shifts need to be synthesized by expand.
4033 2006-07-18 Diego Novillo <dnovillo@redhat.com>
4036 * tree-ssa-operands.c (access_can_touch_variable): Update
4038 Return true if ALIAS is .GLOBAL_VAR.
4040 2006-07-18 David Daney <ddaney@avtrex.com>
4042 * gcc.c (display_help): Fix typo in help text.
4044 2006-07-18 Olivier Hainque <hainque@adacore.com>
4046 * tree.h (categorize_ctor_elements): Adjust prototype and add
4047 descriptive comment, both in accordance with the interface change
4049 * varasm.c (constructor_static_from_elts_p): New function.
4050 Whether a constructor node is a valid static constant initializer
4051 if all its elements are.
4052 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
4053 * output.h: Declare it.
4054 * expr.c (categorize_ctor_elements_1): Return whether the constructor
4055 is a valid constant initializer instead of computing the number of
4056 non-constant elements. Use constructor_static_from_elts_p for this
4057 purpose. Replace the head comment with an indication that this is a
4058 helper for categorize_ctor_elements.
4059 (categorize_ctor_elements): Same interface change as for the _1
4060 helper. Former head comment from this helper moved here, adjusted to
4061 account for the interface changes.
4062 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
4063 (all_zeros_p): Likewise.
4064 * gimplify.c (gimplify_init_constructor): Decide whether we can make
4065 static versions of the constructor from the categorize_ctor_elements
4066 return value instead of the formerly computed number of non-constant
4069 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
4071 * configure: Regenerate.
4072 * Makefile.in (build_libsubdir): New configure substitution
4073 (build_libobjdir): New variable.
4074 (BUILD_LIBIBERTY): Use it.
4076 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4079 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
4081 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
4084 * c-common.c (handle_weakref_attribute): Ignore attribute in
4085 the same conditions the alias attribute is ignored.
4087 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
4089 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
4090 (dbxout_begin_prologue): Increment scope_labelno.
4092 2006-07-17 Richard Henderson <rth@redhat.com>
4095 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
4098 2006-07-17 Roger Sayle <roger@eyesopen.com>
4099 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4101 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
4102 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
4103 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
4104 functions such as sbrk, write, etc.. Add function prototypes.
4105 Convert function declarations from K&R to ISO C. Cast pointers
4106 to "long" and "unsigned long" instead of "int" and "unsigned int".
4107 Convert tokens following #endif into comments.
4109 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
4111 * invoke.texi: Remove mention of f77; Reformat table for
4112 inline parameter options correctly; mention that -malign-double
4113 is default on x86-64 targets.
4115 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
4117 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
4118 (convert_affine_scev, chrec_convert_aggressive): Use
4119 avoid_arithmetics_in_type_p. Do not check for the subtypes
4122 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4125 * optabs.c (expand_doubleword_shift): Wrap the call to
4126 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
4128 2006-07-17 Richard Sandiford <richard@codesourcery.com>
4131 * optabs.c (expand_binop): Pass next_methods rather than methods
4132 to expand_doubleword_shift.
4134 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
4137 * tree.h (dump_addr): Declare.
4138 * print-tree.c (dump_addr): New function.
4139 (print_node_brief, print_node): Use it.
4140 * print-rtl.c (print_rtx): Likewise.
4141 * common.opt (-fdump-noaddr): New option.
4142 * doc/invoke.texi (-fdump-noaddr): Document.
4143 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
4144 (ve_info_hash): Likewise.
4146 2006-07-13 Andrew Haley <aph@redhat.com>
4148 PR tree-optimization/19505
4149 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
4150 edge leaving this block, make sure that the destination of this
4151 block has only one predecessor.
4153 2006-07-17 Richard Guenther <rguenther@suse.de>
4155 PR tree-optimization/28238
4156 * tree-inline.c (copy_bb): Check if we produced valid
4157 gimple copying and substituting a stmt. If not, gimplify
4160 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
4162 * optabs.c (maybe_encapsulate_block): New function extracted from...
4163 (emit_libcall_block): ...here. Invoke it on the block of insns to
4164 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
4165 (emit_no_conflict_block): Likewise.
4167 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4169 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4171 2006-07-15 Roger Sayle <roger@eyesopen.com>
4173 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4174 a new NOP_EXPR case of the switch statement.
4176 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4179 * stor-layout.c (place_field): Take the bit field with
4180 an excessive size into account in the ms-bitfiled case.
4183 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4184 the previous bit field.
4186 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4189 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4191 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4193 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4194 signal frames correctly even when the signal was installed with
4197 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4199 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4200 (dbxout_function_end): Use local label LFBB. Remove hook
4202 (dbxout_source_line): Use local label LFBB.
4203 (dbxout_block): Likewise.
4204 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4205 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4206 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4207 and DBX_OUTPUT_NFUN.
4209 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4211 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4213 2006-07-13 Jan Hubicka <jh@suse.cz>
4215 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4217 * output.h (align_variable): Declare.
4218 * varasm.c (align_variable): Export.
4219 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4220 when basic block changed.
4222 2006-07-13 Nick Clifton <nickc@redhat.com>
4224 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4225 walking the LOG_LINKS chain.
4227 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4229 * doc/invoke.texi (C++ Dialect Options): Explain difference
4230 between -fvisibility-inlines-hidden and setting hidden
4231 visibility explicitly.
4233 2006-07-12 Eric Christopher <echristo@apple.com>
4235 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4236 (stmp-lipo): Depend on libgcc.a.
4238 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4240 * tree.c: Fix a comment typo.
4242 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4244 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4246 (umulhisi3_r): Likewise.
4248 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4251 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4252 x < 19, vs wchar_t support.
4254 2006-07-12 Nick Clifton <nickc@redhat.com>
4256 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4257 instead of -isa=sh4.
4259 2006-07-12 Mike Stump <mrs@apple.com>
4261 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4263 2006-07-10 Eric Christopher <echristo@apple.com>
4265 * config/t-slibgcc-darwin: Rewrite.
4267 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4270 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4273 2006-07-08 Matthias Klose <doko@debian.org>
4275 * doc/sourcebuild.texi: Fix typo.
4277 2006-07-07 Mike Stump <mrs@apple.com>
4279 * toplev.c (process_options): Don't give -ffunction-sections may
4280 affect debugging warning for Mach-O.
4282 2006-07-07 James E Wilson <wilson@specifix.com>
4284 * config/mips/mips.md (cpu): Add sb1a.
4285 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4286 addition to sb1. Adjust comments to clarify SB-1A differences from
4288 (ir_sb1a_load): New. Modify bypasses to use it.
4289 (ir_sb1a_simple_alu): Likewise.
4290 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4291 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4292 (mips_issue_rate): Add PROCESSOR_SB1A.
4293 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4294 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4295 (TARGET_SB1): Add PROCESSOR_SB1A check.
4296 (TUNE_SB1): Likewise.
4298 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4299 * config/mips/mips.c (mips_store_data_bypass_p): New.
4300 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4301 store_data_bypass_p.
4303 2006-07-08 Paul Brook <paul@codesourcery.com>
4306 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4308 2006-07-07 Richard Guenther <rguenther@suse.de>
4311 * tree.h (build_one_cst): Declare.
4312 * tree.c (build_one_cst): New function.
4313 * tree-ssa-math-opts.c (get_constant_one): Remove.
4314 (insert_reciprocals): Use build_one_cst.
4315 * fold-const.c (fold_plusminus_mult): Likewise.
4317 2006-07-07 Roger Sayle <roger@eyesopen.com>
4319 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4320 * cfgloopanal.c (dump_graph): Likewise.
4321 * dojump.c (discard_pending_stack_adjust): Likewise.
4322 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4324 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4325 * function.c (finalize_block_changes): Likewise.
4326 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4327 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4328 * rtl.c (dump_rtx_statistics): Likewise.
4329 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4331 * varray.c (dump_varray_statistics): Likewise.
4332 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4333 decode_decimal64, encode_decimal128, decode_decimal128,
4334 decimal_real_to_decimal): Likewise.
4336 2006-07-07 Richard Guenther <rguenther@suse.de>
4338 PR tree-optimization/28187
4339 * tree-vrp.c (vrp_operand_equal_p): New function.
4340 (vrp_bitmap_equal_p): Likewise.
4341 (update_value_range): Use them to compare old and new
4344 2006-07-06 Roger Sayle <roger@eyesopen.com>
4346 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4347 a default case to switch statement to silence compiler warnings.
4349 2006-07-06 Roger Sayle <roger@eyesopen.com>
4352 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4353 the configured assembler supports the x87's ffreep mnemonic.
4354 * configure: Regenerate.
4355 * config.in: Regenerate.
4357 * config/i386/i386.c (output_387_ffreep): New function.
4358 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4359 (output_387_reg_move): Likewise.
4361 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4363 Port to hosts whose 'sort' and 'tail' implementations
4364 treat operands with leading '+' as file names, as POSIX
4365 has required since 2001. However, make sure the code still
4366 works on pre-POSIX hosts.
4367 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4368 which says you should use "tail -c +N" rather than "tail +Nc".
4369 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4371 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4373 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4376 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4379 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4380 PRE_{INC,DEC} of TFmode.
4382 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4383 Alan Modra <amodra@bigpond.net.au>
4386 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4389 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4392 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4393 Remove duplicate gtu.
4395 2006-07-05 Jason Merrill <jason@redhat.com>
4399 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4400 * c-common.c (handle_packed_attribute): So don't copy it here.
4401 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4403 2006-07-05 Mike Stump <mrs@apple.com>
4405 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4407 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4410 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4412 2006-07-05 Richard Guenther <rguenther@suse.de>
4415 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4416 TARGET_SSE2 targets if using SSE math.
4417 (*absdf2_1): Likewise.
4419 2006-07-05 Richard Guenther <rguenther@suse.de>
4421 PR tree-optimization/28162
4422 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4423 make sure to convert the operands to the correct type.
4425 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4427 PR tree-optimization/28218
4429 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4430 to calculate and free the dominator information.
4432 2006-07-04 Peter O'Gorman <peter@pogma.com>
4434 * mklibgcc.in: chmod 644 before ranlib during install.
4436 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4437 J"orn Rennecke <joern.rennecke@st.com>
4439 * configure.ac (.eh_frame data check): Use diff -b.
4441 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4444 * Makefile.in (BUILD_RTL): Add build/vec.o.
4445 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4446 (build/genextract): Delete.
4447 (build/genautomata): Likewise.
4449 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4452 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4453 128-bit IBM long doubles for ABI_V4.
4455 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4457 * tree.c (range_in_array_bounds_p): New predicate.
4458 * tree.h (range_in_array_bounds_p): Declare it.
4459 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4460 return a less conservative answer.
4461 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4462 and flag 'is_group'.
4463 (IS_ELEMENT_FOR_GROUP): New macro.
4464 (FOR_EACH_ACTUAL_CHILD): Likewise.
4465 (next_child_for_group): New helper function.
4466 (can_completely_scalarize_p): Take into account groups.
4467 (sra_hash_tree): Handle RANGE_EXPR.
4468 (sra_elt_eq): Likewise.
4469 (lookup_element): Be prepared for handling groups.
4470 (is_valid_const_index): Delete.
4471 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4472 instead of is_valid_const_index.
4473 <ARRAY_RANGE_REF>: New case.
4474 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4475 is_valid_const_index.
4476 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4477 (scan_dump): Dump info for groups too.
4478 (decide_instantiation_1): Likewise.
4479 (decide_block_copy): Assert that the element is not a group.
4480 Propagate decision to groups.
4481 (generate_one_element_ref): Handle RANGE_EXPR.
4482 (mark_no_warning): Iterate over actual childs.
4483 (generate_copy_inout): Likewise.
4484 (generate_element_copy): Likewise.
4485 (generate_element_zero): Likewise.
4486 (generate_element_init_1): Likewise.
4487 (dump_sra_elt_name): Handle RANGE_EXPR.
4489 2006-07-03 Roger Sayle <roger@eyesopen.com>
4491 PR tree-optimization/26251
4492 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4493 (thread_block): When optimizing for size refuse to thread jumps
4494 that would require duplication of blocks other than redirection
4497 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4499 * configure.ac: Fix thinko in previous check-in.
4500 * configure: Regenerate.
4502 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4505 * configure.ac (for lang...): Simplify nesting of conditionals.
4506 Test subdir_requires for non-enabled languages. Move processing
4507 of lang_opt_files and lang_tree_fiels below that test.
4508 * configure: Regenerate.
4509 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4511 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4513 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4515 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4517 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4520 2006-06-29 Jason Merrill <jason@redhat.com>
4527 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4528 * c-common.c (c_determine_visibility): Handle it here.
4529 * c-decl.c (finish_decl): Call c_determine_visibility for
4531 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4533 * varasm.c (default_assemble_visibility): Likewise.
4534 * c-common.c (handle_visibility_attribute): Complain about trying
4535 to give visibility to an already defined class, or trying to change
4536 declared visibility. Always attach the attribute.
4541 * attribs.c (decl_attributes): Ignore type-in-place attributes
4542 once the type has been defined.
4544 2006-06-29 Roger Sayle <roger@eyesopen.com>
4547 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4548 to indicate the cpplib has issued an error message for us.
4550 2006-06-29 Asher Langton <langton2@llnl.gov>
4553 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4554 insert a label at the end of an function under Mach-O.
4556 2006-06-29 Eric Christopher <echristo@apple.com>
4557 Evan Cheng <evan.cheng@apple.com>
4559 * predicates.md (vector_all_ones_operand): New.
4560 (nonimmediate_or_sse_const_operand): Ditto.
4561 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4562 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4563 (standard_sse_mode_p): Ditto.
4564 (standard_sse_constant_p): Add case for -1 vector.
4565 (ix86_expand_vector_move): Try to use.
4566 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4567 Call standard_sse_constant_opcode.
4568 (*movv4sf_internal): Ditto.
4569 (*movv2df_internal): Ditto.
4571 2006-06-29 Roger Sayle <roger@eyesopen.com>
4573 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4574 of XEXP to extract the operands of a MATCH_CODE rtx.
4576 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4578 * tree.c (tree_size): Do not waste tail padding in
4579 struct tree_string and make the size be the same as
4580 build_string will generate.
4582 2006-06-28 Jason Merrill <jason@redhat.com>
4585 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4586 may_aliases already in the tag's annotations to the bitmap.
4588 2006-06-28 Roger Sayle <roger@eyesopen.com>
4590 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4592 2006-06-28 Roger Sayle <roger@eyesopen.com>
4594 * genpreds.c (generate_switch_p): New function.
4595 (add_mode_tests): Push the new mode test down inside an AND expr
4596 if this allows the switch-suitable MATCH_CODE to be near the root.
4597 (write_match_code_switch): New function to write a MATCH_CODE as
4599 (write_predicate_stmts): New function to write a predicate RTX
4600 expression as a sequence of statements.
4601 (write_one_predicate_function): Use write_predicate_stmts.
4602 (write_tm_constrs_h): Likewise.
4604 2006-06-26 Fred Fish <fnf@specifix.com>
4606 * config/mips/t-sb1: New file.
4607 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4610 2006-06-26 DJ Delorie <dj@redhat.com>
4612 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4614 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4615 Jayant Sonar <jayants@kpitcummins.com>
4616 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4618 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4619 (subsi3, subsi3_1, subsi3_2): New.
4620 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4621 * config/m32c/mov.md (SI mov peephole): New.
4622 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4623 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4625 2006-06-26 Olivier Hainque <hainque@adacore.com>
4627 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4628 a CALL_EXPR target function declaration.
4630 2006-06-26 Richard Guenther <rguenther@suse.de>
4632 * tree.c (build_string): Do not waste tail padding in
4635 2006-06-26 Richard Guenther <rguenther@suse.de>
4637 * ggc-page.c (init_ggc): Add missing element to size_lookup
4641 2006-06-23 Richard Guenther <rguenther@suse.de>
4643 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4644 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4645 alignment requests instead. Add verification code.
4646 Add struct tree_function_decl and struct tree_binfo size to
4647 extra_order_size_table. Add missing element to size_lookup
4650 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4653 * fold-const.c (const_binop): Be prepared for self returning zero.
4654 Simplify code handling complex values.
4656 2006-06-24 Olivier Hainque <hainque@adacore.com>
4658 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4659 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4662 2006-06-24 Olivier Hainque <hainque@adacore.com>
4664 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4665 ARRAY_REF, so have the callback called for the low bound expression.
4667 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4669 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4670 * c-typeck.c (c_common_type): Disallow operations on decimal float
4671 types and other float types.
4672 * convert.c (convert_to_real): Don't ignore conversions involving
4673 decimal float types.
4675 2006-06-23 Olivier Hainque <hainque@adacore.com>
4677 * tree.c (max_int_size_in_bytes): New function, inspired from
4678 code in function.c:assign_temp.
4679 * tree.h (max_int_size_in_bytes): Declare.
4680 * function.c (assign_temp): Use it.
4681 * gimplify.c (create_tmp_var): Relax the assertions on the type
4682 properties, not mandating constant size any more.
4683 (force_constant_size): New static function.
4684 (gimple_add_tmp_var): Use it, forcing variable size to a
4685 constant upper bound if it is not constant on entry.
4687 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4690 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4691 for initialization and setting of one_only flag to ...
4692 (i386_pe_encode_section_info): ...here.
4693 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4694 Recheck that the symbol has not been defined.
4696 2006-06-23 Richard Guenther <rguenther@suse.de>
4698 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4699 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4700 alignment requests instead. Add verification code.
4701 Add struct tree_function_decl and struct tree_binfo size to
4702 extra_order_size_table. Add missing element to size_lookup
4705 2006-06-22 Roger Sayle <roger@eyesopen.com>
4706 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4709 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4710 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4712 2006-06-23 Ben Elliston <bje@au.ibm.com>
4714 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4715 negate dn -- manipulate it directly.
4717 2006-06-22 Roger Sayle <roger@eyesopen.com>
4718 Steven Bosscher <stevenb.gcc@gmail.com>
4721 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4722 generated by gen_move_insn to add REG_LABEL notes if necessary.
4724 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4726 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4727 (leaf_entry): Remove use of MIN_ESA.
4729 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4731 PR rtl-optimization/28121
4732 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4735 2006-06-21 DJ Delorie <dj@redhat.com>
4737 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4739 (mulhisi3_r): Likewise.
4741 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4744 * coverage.c (coverage_counter_alloc): Leave the index type
4746 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4749 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4751 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4752 section from the "Options for Code Generation Conventions".
4754 2006-06-21 Richard Henderson <rth@redhat.com>
4758 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4760 (global_symbolic_operand): Allow weak symbols, even if local_p.
4762 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4764 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4765 (find_interesting_uses_address): Punt if above function returns true.
4767 2006-06-21 Richard Guenther <rguenther@suse.de>
4769 * configure: Regenerated.
4771 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4773 * config/mips/mips.c (function_arg): Where one part of a
4774 complex argument is in registers and the other part in the stack,
4775 return a REG not a PARALLEL.
4777 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4779 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4780 when cross-compiling. Do not substitute libstdcxx_incdir.
4781 * configure: Regenerated.
4783 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4785 * varasm.c (mergeable_string_section): Check for embedded NULs and
4786 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4787 rather than TREE_STRING_LENGTH bytes.
4789 2006-06-21 Richard Guenther <rguenther@suse.de>
4791 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4792 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4795 2006-06-21 Richrad Guenther <rguenther@suse.de>
4797 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4798 Limit iteration over the dominators.
4800 2006-06-20 Roger Sayle <roger@eyesopen.com>
4802 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4803 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4805 2006-06-20 Richard Guenther <rguenther@suse.de>
4806 Michael Matz <matz@suse.de>
4808 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4810 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4811 * et-forest.h (et_free_pools): Prototype new function.
4812 * et-forest.c (et_free_tree_force): Free parent occurrence.
4813 (et_free_pools): New function.
4814 * dominance.c (free_dominance_info): Free et-forest alloc
4817 2006-06-20 Roger Sayle <roger@eyesopen.com>
4819 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4820 integer modes, attempt to directly construct an integer constant.
4822 * fold-const.c (native_encode_vector): Determine the size of each
4823 element from the vector type instead of the first vector element.
4825 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4826 if all of its elements/components are constant.
4827 (build_constructor_from_list): Likewise.
4829 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4831 PR tree-optimization/27331
4832 * tree-data-ref.c (free_data_ref): New function.
4833 (create_data_ref): Fail if the data reference has unknown access
4835 (free_data_refs): Use free_data_ref.
4837 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4840 * tree-inline.c (setup_one_parameter): Strip useless
4841 type conversion before adding it to the IR.
4842 (declare_return_variable): Likewise.
4844 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4847 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4849 2006-06-19 Mike Stump <mrs@apple.com>
4851 * tree.c (variably_modified_type_p): VM arguments don't make the
4854 2006-06-19 Richard Guenther <rguenther@suse.de>
4856 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4857 type conversions after folding.
4859 2006-06-19 Richard Guenther <rguenther@suse.de>
4861 * ggc-page.c (extra_order_size_tab): Add entries with
4862 size of struct function and basic_block.
4863 (size_lookup): Extend to cover sizes up to 511.
4864 (ggc_alloc_stat): Adjust user.
4865 (ggc_pch_count_object): Likewise.
4866 (ggc_pch_alloc_object): Likewise.
4867 (ggc_pch_write_object): Likewise.
4869 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4871 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4872 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4875 2006-06-19 Denis Chertykov <denisc@overta.ru>
4877 * config/avr/libgcc.S : Correct my wrong previous commit.
4879 2006-06-19 Roger Sayle <roger@eyesopen.com>
4882 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4883 have stripped a SUBREG from the shift count, so we may need to
4884 convert_to_mode back to the type's mode before calling make_tree.
4885 Use new_amount instead of amount to avoid expanding a tree twice.
4887 2006-06-19 Richard Guenther <rguenther@suse.de>
4890 * fold-const.c (operand_equal_p): Check if the argument types
4891 have the same precision before stripping NOPs.
4893 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4895 Fix PR tree-optimization/27341
4896 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4898 * tree-complex.c (pass_lower_complex): Update SMT usage.
4900 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4902 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4903 Add a new alternative to the constraint strings. Add move of
4904 operand 1 to 3 to the splitter definition.
4905 ("doloop_si_long"): Second contraint alternative removed.
4907 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4909 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4910 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4912 (AVR_HAVE_MOVW) Define.
4913 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4914 (ASM_SPEC): Add avr25.
4915 (LINK_SPEC): Add avr25.
4916 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4917 (base_arch_s): Add new member 'have_movw_lpmx'.
4918 (avr_arch_types): Init 'have_movw_lpmx'.
4919 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4920 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4921 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4922 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4923 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4925 (avr_file_start): Do not output '.arh' derective.
4926 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4927 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4928 * config/avr/avr.md (mcu_enhanced): Delete.
4929 (mcu_have_movw): Define.
4930 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4931 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4932 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4933 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4934 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4935 attiny861 and at86rf401 devices.
4937 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4939 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4942 2006-06-17 Karl Berry <karl@gnu.org>
4944 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4945 doc/gccint.texi, doc/install.texi (@dircategory): Use
4946 "Software development" instead of "Programming", following
4947 the Free Software Directory.
4949 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4951 * config/i386/i386.c (legitimate_tls_address)
4952 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4953 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4954 (*tls_dynamic_gnu2_combine_64): Likewise.
4956 2006-06-16 Richard Guenther <rguenther@suse.de>
4959 * fold-const.c (negate_expr_p): Do not introduce undefined
4960 overflow in negating INTEGER_CSTs.
4961 (fold_negate_expr): Rename from negate_expr. Revert last
4962 change for folding BIT_NOT_EXPR. Change semantics to
4963 return NULL_TREE for non-simplified negations. Do not
4964 strip type conversions and unify type handling.
4965 (negate_expr): New function, wrap around fold_negate_expr
4966 but ensure building a tree always. Strip type conversions
4967 here, fold to result type.
4968 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4970 2006-06-16 Roger Sayle <roger@eyesopen.com>
4973 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4974 that (would) return their results in stack registers.
4976 2006-06-16 Michael Matz <matz@suse.de>
4977 Richard Guenther <rguenther@suse.de>
4979 * fold-const.c (fold_truthop): Only return new tree node if
4980 we canonicalized something.
4982 2006-06-16 Richard Guenther <rguenther@suse.de>
4984 * function.h (enum function_frequency): Move declaration
4985 out of struct function.
4986 (struct function): Move bool fields and the enum to the bitfield
4987 section. Reorder elements to avoid padding. Remove unused
4988 fields left over from the RTL inliner removal.
4989 * function.c (free_after_compilation): Do not zero removed fields.
4990 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4991 (ipa-type-escape.o): Likewise.
4993 2006-06-16 Richard Guenther <rguenther@suse.de>
4995 * cgraph.h (struct cgraph_local_info): Turn bool elements
4997 (struct cgraph_node): Likewise.
4998 (struct cgraph_varpool_node): Likewise.
5000 2006-06-15 Richard Guenther <rguenther@suse.de>
5002 * fold-const.c (fold_truth_not_expr): Rename from
5003 invert_truthvalue. Give it fold_* semantics to avoid
5005 (invert_truthvalue): New function. Wrapper around
5006 fold_truth_not_expr.
5007 (optimize_minmax_comparison): Avoid creating garbage.
5008 (fold_unary): Use fold_truth_not_expr for folding
5010 (fold_ternary): Replace uses of invert_truthvalue with
5011 fold_truth_not_expr where applicable.
5012 * tree.h (fold_truth_not_expr): Prototype.
5014 2006-06-16 Richard Guenther <rguenther@suse.de>
5016 PR tree-optimization/27781
5017 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
5018 * ipa-pure-const.c (target.h): Include.
5019 (analyze_function): Do not analyze functions that do not
5022 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
5025 * tree-dfa.c (referenced_vars_dup_list): Remove.
5026 (find_referenced_vars): Remove assert.
5027 (referenced_var_check_and_insert): Replace dup list with assert.
5028 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
5029 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
5031 2006-06-15 Richard Guenther <rguenther@suse.de>
5033 * tree-ssa-structalias.c (alias_get_name): Avoid creating
5034 extra unused identifiers if not dumping.
5035 (create_variable_info_for): Likewise.
5037 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
5039 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
5040 (derive_constant_upper_bound): Derive more precise upper bound in
5041 common cases. Return type changed to double_int.
5042 (record_estimate): Reflect the changed return type of
5043 derive_constant_upper_bound.
5044 * double-int.c (double_int_zext, double_int_sext): Fix.
5046 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
5048 * configure.ac (CFLAGS): Get them from the toplevel or from the
5049 configure invocation.
5050 * configure: Regenerate.
5051 * Makefile.in (CFLAGS): Substitute value provided by configure.
5053 2006-06-14 Mark Mitchell <mark@codesourcery.com>
5056 * c-common.h (c_finish_omp_atomic): Adjust declaration.
5057 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
5058 rather than calling add_stmt on it.
5059 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
5061 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
5064 * reload1.c (reload): Remove registers returned by update_eliminables
5065 from used_spill_regs.
5067 2006-06-13 DJ Delorie <dj@redhat.com>
5069 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
5071 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
5073 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
5074 html__strip_dir, html__mkdir_p. Enhance install-html target.
5075 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
5076 * configure: Regenerate.
5078 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
5080 * fold-const.c (fold_cond_expr_with_comparison): Check for
5081 Objective-C++ as language in deciding COND_EXPR transformation.
5083 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
5086 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
5087 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
5088 * config/sh/lib1funcs.h (SL, SL1): Define.
5089 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
5090 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
5091 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
5092 (OBJS_Os_4_200): New variable.
5093 ($(T)libgcc-Os-4-200.a): Use it.
5094 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
5095 when dividing 1 and/or by 0.
5097 2006-06-13 Roger Sayle <roger@eyesopen.com>
5099 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
5100 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
5101 * configure: Regenerate.
5103 2006-06-13 Jie Zhang <jie.zhang@analog.com>
5105 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
5106 for real instruction.
5108 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5111 * haifa-sched.c (check_cfg): Handle special case.
5113 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
5116 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
5117 Add debug_info parameter. Chain the vars to the BLOCK instead
5118 of the BIND_EXPR if debug info are requested for them.
5119 (pop_gimplify_context): Adjust for above change.
5120 (gimple_add_tmp_var): Likewise.
5121 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
5123 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
5124 (convert_local_reference): Likewise.
5125 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
5126 (finalize_nesting_tree_1): Request that debug info be emitted
5127 for debug_var_chain.
5129 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5131 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
5132 for PR target/27863.
5134 2006-06-13 Richard Guenther <rguenther@suse.de>
5137 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
5139 2006-06-13 Richard Guenther <rguenther@suse.de>
5141 PR tree-optimization/27830
5142 * tree-inline.c (copy_body_r): For copying the operand
5143 of an ADDR_EXPR make sure to fold &* afterwards.
5145 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
5147 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
5148 lvalues in the fb_none case with side-effects.
5150 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
5152 * tree-flow.h: Remove the prototype for
5153 compute_phi_arg_on_exit.
5154 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
5155 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
5158 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
5160 * builtins.c (expand_builtin_return_addr): Only use
5161 frame_pointer_rtx when count == 0 and we are expanding
5162 __builtin_return_address.
5164 2006-06-12 Fred Fish <fnf@specifix.com>
5166 * config/mips/mips.c (mips_file_start): Create special section
5167 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5169 2006-06-11 Eric Christopher <echristo@apple.com>
5172 * stor-layout.c (place_field): Remove check for
5173 remaining_in_alignment when aligning at the end of a run.
5175 2006-06-11 Eric Christopher <echristo@apple.com>
5178 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5181 2006-06-11 Roger Sayle <roger@eyesopen.com>
5184 Revert incorrect fix for PR target/27158
5185 2006-05-08 Roger Sayle <roger@eyesopen.com>
5186 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5187 of a reg_equiv_constant if the result is a legitimate constant.
5189 2006-06-11 Roger Sayle <roger@eyesopen.com>
5192 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5193 extract a CONST_VECTOR element and interpret it as an integer.
5194 (vspltis_constant): Use const_vector_elt_as_int instead of the
5195 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5196 * config/rs6000/predicates.md (easy_vector_const): Consider
5197 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5199 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5202 * stor-layout.c (update_alignment_for_field): Don't add extra
5203 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5206 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5208 * config/mips/t-rtems: Add EL/EB multilib variants.
5210 2006-06-09 Mike Stump <mrs@apple.com>
5212 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5214 2006-06-09 David Daney <ddaney@avtrex.com>
5216 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5218 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5220 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5222 2006-06-09 Richard Guenther <rguenther@suse.de>
5224 PR tree-optimization/26998
5225 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5226 of signed types, only TYPE_MIN_VALUE is special, but for both,
5227 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5228 in this case, as is -fwrapv.
5230 2006-06-08 Mike Stump <mrs@apple.com>
5233 * config/darwin.c (darwin_asm_output_anchor): Disable
5234 -fsection-anchors on darwin for now.
5235 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5236 * rs6000/rs6000.c (optimization_options): Likewise.
5238 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5241 * config/i386/i386.c (classify_argument): Skip fields with invalid
5244 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5246 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5247 (cse_insn): Likewise for the stack_pointer_rtx.
5249 2006-06-08 Roger Sayle <roger@eyesopen.com>
5251 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5252 conditions from floating point comparisons.
5254 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5257 * expmed.c (struct alg_hash_entry): Fix type of field T
5258 to match synth_mult argument.
5259 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5261 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5264 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5267 2006-06-08 Richard Guenther <rguenther@suse.de>
5270 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5271 only, if overflow is defined and not trapping.
5272 (negate_expr): Likewise.
5274 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5276 PR tree-optimization/27872
5277 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5278 flag on the new exit edge of the unrolled loop.
5280 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5282 PR rtl-optimization/26449
5283 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5285 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5288 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5289 referenced_variables with matching DECL_UID's.
5290 (find_referenced_vars): Make sure duplicate list is empty to start.
5291 (referenced_var_p): Remove.
5292 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5293 Check if var is in the list, and add if needed. Update the duplicate
5294 list if a different var is in the list with the same DECL_UID.
5295 (add_referenced_var): Call routine to check and insert.
5296 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5297 * tree-flow.h (referenced_vars_dup_list): External declaration.
5299 2006-06-07 Fred Fish <fnf@specifix.com>
5301 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5304 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5307 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5308 the imaginary and real parts of a clobbered register.
5309 Emit insn to set the imaginary part.
5311 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5313 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5314 in lieu of unwind-dw2-fde.c.
5316 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5318 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5320 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5323 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5324 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5325 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5326 V4SImode temporaries and operations instead.
5328 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5330 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5333 2006-06-06 Mike Stump <mrs@apple.com>
5335 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5336 installing during build.
5338 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5340 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5342 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5343 * config/ia64/ia64.c (params.h): New header.
5344 (ia64_optimization_options): New function to adjust parameters.
5345 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5346 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5347 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5349 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5351 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5353 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5356 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5358 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5359 Victor Kaplansky <victork@il.ibm.com>
5361 PR tree-optimization/26360
5362 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5365 2006-06-04 Roger Sayle <roger@eyesopen.com>
5366 Andrew Pinski <pinskia@physics.uc.edu>
5369 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5370 for LABEL_DECL before calling DECL_WEAK.
5373 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5374 LABEL_DECL and PARM_DECL.
5376 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5380 * c-decl.c (grokdeclarator): Disallow variably modified types at
5381 file scope. Avoid marking shared array type of constant size as
5384 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5387 * c-common.c (fold_offsetof_1): Handle static members.
5389 2006-06-04 Eric Christopher <echristo@apple.com>
5391 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5392 (debug_rli): Output value for remaining_in_alignment.
5393 (update_alignment_for_field): Unconditionalize
5394 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5395 extra alignment code.
5396 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5397 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5398 * tree.h (record_layout_info_s): Remove prev_packed.
5399 * doc/extend.texi (ms_struct): Add documentation of format.
5401 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5403 * tree.h: Declare folding_initializer.
5404 * builtins.c (fold_builtin_constant_p): Give definite answer
5405 if folding inside an initializer.
5406 * fold-const.c: Define folding_initializer.
5407 (START_FOLD_INIT): Save and then set folding_initializer.
5408 (END_FOLD_INIT): Restore folding_initializer.
5410 2006-06-04 Richard Guenther <rguenther@suse.de>
5412 PR tree-optimization/27039
5413 * fold-const.c (fold_comparison): Handle pointer comparison
5414 again for all comparison codes. Compare offsets in signed
5416 (fold_binary): Move code from here.
5418 2006-06-03 Roger Sayle <roger@eyesopen.com>
5421 * config/i386/i386.c (construct_container): Split static issued_error
5422 flag into issued_sse_arg_error, issued_sse_ret_error and
5423 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5424 requires the use of x87 registers and the user explicitly
5425 specified the -mno-80387 command line option.
5427 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5429 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5430 HAVE_DECL_SIGALTSTACK.
5432 (segv_handler): Use MC_FLD.
5433 * configure.ac: Check for a sigaltstack declaration.
5434 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5435 * configure: Regenerate.
5436 * config.in: Regenerate.
5438 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5441 * Makefile.in (stmp-fixinc): Fix typo.
5443 2006-06-02 Roger Sayle <roger@eyesopen.com>
5445 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5446 are type correct. Clean-up.
5447 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5448 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5450 2006-06-01 DJ Delorie <dj@redhat.com>
5452 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5453 shift, as we've disabled the "switch" insn that needs it.
5455 2006-06-01 Per Bothner <bothner@bothner.com>
5457 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5458 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5459 * c-ppoutput.c (cb_define): Don't increment line 0.
5461 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5463 * doc/invoke.texi: Add cpu_type power6.
5464 * config.gcc: Add cpu_type power6.
5465 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5466 to power5+ with Altivec.
5467 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5468 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5470 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5472 * config/avr/avr.h (SET_ASM_OP): Define.
5474 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5476 * config/bfin/bfin.c: Fix comment typos.
5478 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5481 * doc/install.texi: Document --enable-bootstrap and
5482 --disable-bootstrap.
5484 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5486 * doc/install.texi: Document that InfoZIP can replace jar.
5488 2006-05-31 Roger Sayle <roger@eyesopen.com>
5490 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5491 isn't available, directly generate the simpler x87 patterns without
5492 the (use (const_int 0)).
5493 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5494 implementation isn't available.
5495 (*negdf2_1): Likewise.
5496 (*negxf2_1): XF mode negation is always done using the x87.
5497 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5499 2006-05-31 Roger Sayle <roger@eyesopen.com>
5501 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5502 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5504 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5506 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5508 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5509 * config/bfin/bfin.c (basic-block.h): Include.
5510 (struct machine_function): New.
5511 (bfin_init_machine_status): New.
5512 (override_options): Initialize init_machine_status.
5513 (bfin_hardware_loop): New.
5514 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5515 (DEF_VEC_P (loop_info)): New.
5516 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5517 (struct loop_info): New.
5518 (loop_info): New typedef.
5519 (struct loop_work): New.
5520 (loop_work): New typedef.
5521 (DEF_VEC_O (loop_work)): New.
5522 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5523 (bfin_dump_loops): New.
5524 (bfin_bb_in_loop): New.
5525 (bfin_scan_loop): New.
5526 (bfin_optimize_loop): New.
5527 (bfin_reorg_loops): New.
5528 (bfin_reorg): Use bfin_reorg_loops.
5529 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5531 (I_REGNO_P): Simplify.
5532 (DP_REGNO_P, DPREG_P): New macros.
5533 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5534 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5535 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5536 Add LT_REGS, LC_REGS, LB_REGS.
5537 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5539 (REGNO_REG_CLASS): Deal with loop registers.
5540 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5542 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5543 New constants for loop registers.
5544 (UNSPEC_LSETUP_END): New.
5545 (seq_insns): New define_attr. Set it for appropriate insns.
5546 (movsi_insn): Add alternatives for move from/to
5547 loop count registers.
5548 (doloop_end): New define_expand.
5549 (loop_end): New define_insn.
5550 (define_split for bad doloop_end): New.
5551 (lsetup_with_autoinit): New define_insn.
5552 (lsetup_without_autoinit): New define_insn.
5553 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5554 * config/bfin/predicates.md (lc_register_operand): New.
5555 (lt_register_operand): New.
5556 (lb_register_operand): New.
5557 (nondp_register_operand): New.
5558 (nondp_reg_or_memory_operand): New.
5559 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5561 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5563 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5564 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5566 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5568 * Makefile.in (CATALOGS): Add po/ prefix.
5569 * configure: Regenerated.
5571 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5574 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5575 a shift operand before calling shift_op. Avoid redundant call of
5578 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5579 DJ Delorie <dj@redhat.com>
5581 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5582 we're inserting is a singlt-bit constant.
5584 2006-05-30 Roger Sayle <roger@eyesopen.com>
5586 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5587 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5589 2006-05-30 Roger Sayle <roger@eyesopen.com>
5591 PR tree-optimization/23452
5592 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5593 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5594 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5595 complex values and with -ffast-math for FP complex values.
5597 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5599 * c-common.h: Remove the prototype for yyparse.
5600 * rtl.h: Remove the prototype for init_loop.
5602 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5604 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5607 2006-05-30 Roger Sayle <roger@eyesopen.com>
5609 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5611 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5612 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5614 2006-05-30 Dirk Mueller <dmueller@suse.de>
5617 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5618 for CONSTANT_CLASS_P expresisons.
5620 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5623 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5625 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5627 PR tree-optimization/27779
5628 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5629 initial_condition instead of CHREC_LEFT.
5631 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5633 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5634 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5635 Make prototypes ISO C90.
5637 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5638 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5640 * see.c (see_analyze_one_def): Correct check.
5641 (see_get_extension_data): Check if extension is parallel.
5642 (see_get_extension_reg): Likewise.
5644 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5647 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5648 into register for (code == GTU).
5650 2006-05-29 Roger Sayle <roger@eyesopen.com>
5652 PR tree-optimization/24964
5653 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5654 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5655 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5656 abs(x)*abs(x) as x*x for scalar floating point modes.
5658 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5661 * lambda-code.c (perfect_nestify): Don't copy statements
5662 in the inner loop: move them to the inner loop header.
5664 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5667 * c-tree.texi: Document OpenMP directives and clauses.
5669 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5671 * varasm.c (globalize_decl): Fix indentation.
5673 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5676 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5677 pass_fre, pass_store_ccp, pass_copy_prop,
5678 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5679 pass_return_slot, pass_object_size, pass_lim,
5680 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5681 pass_loop_prefetch and pass_stdarg.
5683 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5685 * config/bfin/bfin.opt (mfdpic): New option.
5686 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5687 (EXTRA_MULTILIB_PARTS): Likewise.
5688 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5689 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5691 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5692 (CRT_CALL_STATIC_FUNCTION): New.
5693 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5695 (CRT_CALL_STATIC_FUNCTION): New.
5696 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5698 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5699 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5700 (initialize_trampoline): Changed to handle FD-PIC code generation.
5701 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5702 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5703 (override_options): Disallow -mid-shared-library -mfdpic combination.
5704 Can't do unaligned ops if FD-PIC.
5705 Turn off flag_pic if trying to generate non-id-shared-library
5706 non-fdpic code, since it's not supported.
5707 (bfin_assemble_integer): New function.
5708 (TARGET_ASM_INTEGER): Define.
5709 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5711 * config/bfin/crtn.s: Restore them.
5712 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5714 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5715 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5716 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5717 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5718 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5720 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5721 FDPIC_REGS and FDPIC_FPTR_REGS.
5722 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5723 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5724 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5725 (load_funcdescsi): New pattern.
5726 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5727 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5728 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5730 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5732 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5735 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5737 * tree-flow.h: Remove the prototype for add_type_alias.
5738 * tree-ssa-alias.c (add_type_alias): Remove.
5740 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5742 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5743 config/fr30/fr30.md, config/i386/i386-interix.h,
5744 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5745 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5746 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5747 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5748 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5749 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5750 Follow spelling conventions.
5751 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5752 Follow spelling conventions.
5754 2006-05-27 Richard Guenther <rguenther@suse.de>
5757 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5758 to produce a constant of value 1 of generic type.
5760 2006-05-27 Dirk Mueller <dmueller@suse.de>
5762 * cgraphunit.c (decide_is_function_needed): Fix wrong
5765 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5767 PR rtl-optimization/27661
5768 * reload.c (find_reloads): When reloading a VOIDmode constant
5769 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5770 use Pmode as mode of the reload register.
5772 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5774 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5775 is enabled at -O and above.
5777 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5780 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5783 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5786 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5787 for anonymous variables explicitly declared by front ends.
5789 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5791 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5792 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5793 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5794 ref-all pointers, run a finalization pass for them.
5795 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5796 (finalize_ref_all_pointers): New function.
5797 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5798 regular pointer type to a ref-all pointer type.
5799 (get_tmt_for): Return the special memory tag for ref-all pointers.
5801 2006-05-25 Richard Guenther <rguenther@suse.de>
5804 * fold-const.c (fold_binary): Do not look at the stripped
5805 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5807 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5809 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5810 for LT and GT if the computed range is effectively empty.
5812 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5815 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5816 mips_quad_format formats instead of ieee_single_format,
5817 ieee_double_format and ieee_quad_format formats, respectively.
5819 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5821 PR tree-optimization/27639
5822 PR tree-optimization/26719
5823 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5824 call to scev_probably_wraps_p.
5825 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5826 used_in_pointer_arithmetic_p, convert_step): Removed.
5827 (nowrap_type_p): New function.
5828 (scev_probably_wraps_p): Rewritten.
5829 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5830 chrec_convert if chrec_convert_aggressive might have been used.
5831 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5832 scev_direction): New functions.
5833 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5834 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5835 instead of convert_step.
5836 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5837 (convert_step): Declaration removed.
5838 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5840 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5842 * df-core.c: Added to header comments.
5843 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5844 df_ur_bb_info, df_urec_bb_info): Added comments.
5845 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5846 urec, ri problems): Fixed header comments.
5847 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5848 code from df_rd_transfer_function.
5850 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5852 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5853 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5854 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5856 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5858 * expr.c (undefined_operand_subword_p): New.
5859 (emit_move_multi_word): Do not generate move from undefined bits
5860 of a paradoxical subreg.
5862 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5864 PR rtl-optimization/27736
5865 * combine.c (replaced_rhs_value): New variable.
5866 (combine_instructions): Set it.
5867 (distribute_notes): When distributing a note in replaced_rhs_insn,
5868 check whether the value was used in replaced_rhs_value.
5870 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5873 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5874 add_referenced_var instead of add_referenced_tmp_var.
5875 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5876 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5878 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5879 tree_optimize_tail_calls_1): Use add_referenced_var.
5880 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5881 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5882 Use add_referenced_var.
5883 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5884 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5885 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5886 Use add_referenced_var.
5887 * tree-dfa.c (struct walk_state): Remove.
5888 (find_referenced_vars): Remove walk state and vars_found hash table.
5889 (make_rename_temp): Use add_referenced_var.
5890 (find_vars_r): Pass less parameters to add_referenced_var.
5891 (referenced_var_p): New. Is var in referenced_var hash table.
5892 (referenced_var_insert): Assert var isn't already in hash table.
5893 (add_referenced_var): Don't need walk_state parameter. Add var if it
5894 isn't already in the hash table.
5895 (add_referenced_tmp_var): Remove.
5896 (find_new_referenced_vars_1): Use add_referenced_var.
5897 * tree-ssa-pre.c (create_expression_by_pieces,
5898 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5899 Use add_referenced_var.
5900 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5901 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5902 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5904 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5905 vect_create_data_ref_ptr, vect_create_destination_var,
5906 vect_init_vector, vect_build_loop_niters,
5907 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5908 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5909 Use add_referenced_var.
5910 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5911 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5912 (add_referenced_var): Add prototype.
5913 * tree-ssa-structalias.c (get_constraint_for,
5914 intra_create_variable_infos): Use add_referenced_var.
5916 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5918 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5919 big-endian paradoxical subregs.
5920 * var-tracking.c (struct micro_operation_def): Document that,
5921 for modify micro operations, insn is the subsequent instruction.
5922 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5923 (var_reg_set, var_mem_set): ... new functions.
5924 (add_stores): Record subsequent insn.
5925 (compute_bb_dataflow): Use new functions for MO_USE.
5926 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5927 notes after the insn, and modify notes before the insn known
5928 to be the subsequent one.
5929 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5931 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5934 * config/i386/i386.c (ix86_expand_builtin): Use
5935 gen_sse3_monitor64 for TARGET_64BIT.
5937 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5939 PR rtl-optimization/26375
5940 PR rtl-optimization/26855
5941 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5943 (df_ru_bb_local_compute): Reversed statements and removed bogus
5944 comment explaining why they should be in wrong order.
5945 (df_ru_dump, df_rd_dump): Enhanced debug info.
5946 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5948 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5949 reaching uses and fixed space problem.
5951 2006-05-23 Jan Hubicka <jh@suse.cz>
5953 * cgraphunit.c (decide_is_function_needed): Also nested functions
5954 and functions declared inline can be optimized out at -O0.
5956 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5958 * doc/install.texi (Configuration): Remove reference to CrossGCC
5962 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5965 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5966 ix86_compare_emitted is non-NULL.
5968 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5971 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5974 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5976 PR rtl-optimization/25514
5977 * combine.c (replaced_rhs_insn): New variable.
5978 (combine_instructions): Set replaced_rhs_insn when trying to replace
5979 a SET_SRC with a REG_EQUAL note.
5980 (distribute_notes): Use replaced_rhs_insn when determining the live
5981 range of a REG_DEAD register.
5983 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5984 Anatoly Sokolov <aesok@post.ru>
5986 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5987 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5988 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5989 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5990 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5991 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5992 at90usb647, at90usb1286 and at90usb1287 devices.
5993 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5994 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5996 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5998 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
6000 2006-05-22 Richard Guenther <rguenther@suse.de>
6003 2006-01-31 Richard Guenther <rguenther@suse.de>
6004 Paolo Bonzini <bonzini@gnu.org>
6006 * doc/install.texi (--disable-libgcc-math): Document.
6008 2006-05-22 Richard Guenther <rguenther@suse.de>
6011 2006-01-31 Richard Guenther <rguenther@suse.de>
6013 * doc/invoke.texi (-msselibm): Document.
6014 * target.h (expand_library_builtin): New target hook.
6015 * builtins.c (expand_builtin): Use expand_library_builtin.
6016 (default_expand_library_builtin): New function.
6017 * gcc.c (LINK_GCC_MATH_SPEC): Define.
6018 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
6019 (link_gcc_math_spec): Declare.
6020 (static_specs): Add link_gcc_math_spec.
6021 * expr.h (default_expand_library_builtin): Declare.
6022 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6023 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
6024 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
6025 * config/i386/i386.opt (msselibm): New target option.
6026 * config/i386/i386.c (ix86_builtin_function_variants): New array.
6027 (ix86_init_sse_abi_builtins): New function.
6028 (ix86_expand_library_builtin): Likewise.
6029 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
6030 (override_options): Handle error conditions wrt -msselibm.
6031 (ix86_builtins): Add function codes for SSE2 ABI builtins.
6032 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
6033 * doc/extend.texi (__builtin_sse2_*): Document new target specific
6036 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6039 * c-common.c (self_promoting_args_p): Skip erroneous args.
6042 * c-decl.c (finish_struct): Skip erroneous fields.
6044 2006-05-22 Nick Clifton <nickc@redhat.com>
6046 * config/cris/cris.opt (march): Remove VarExists attribute.
6047 (max-stackframe=): Likewise.
6049 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
6051 * doc/rtl.texi: Fix a typo.
6052 * see.c: Fix comment typos.
6054 * tree-ssa-structalias.h (alias_info): Remove num_references.
6056 2006-05-21 Mike Stump <mrs@apple.com>
6058 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
6060 (darwin_pragma_options): Use BAD instead.
6061 (darwin_pragma_unused): Likewise.
6062 (darwin_pragma_ms_struct): Likewise.
6064 2006-05-21 David Edelsohn <edelsohn@gnu.org>
6066 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
6068 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
6070 PR rtl-optimization/27671
6071 * simplify-rtx.c (simplify_relational_operation_1): Fix
6072 simplifications of (eq/ne (xor x y) y) and
6073 (eq/ne (xor x y) x).
6075 PR tree-optimization/26622.
6076 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
6079 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6081 * tree-cfg.c: Prune whitespace.
6082 (debug_tree_cfg): Point to correct header containing the
6085 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
6088 * cgraphunit.c (verify_cgraph_node): Typo in error message.
6090 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
6093 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
6094 or sorry count is non zero.
6096 2006-05-20 Andreas Schwab <schwab@suse.de>
6098 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
6100 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
6101 Kenneth Zadeck <zadeck@naturalbridge.com>
6103 PR rtl-optimization/26855
6105 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
6107 (df_scan_alloc): Added code to properly handle multiword hard
6108 registers and add all_blocks parameter.
6109 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
6110 code to properly handle multiword hard registers.
6111 (df_rescan_blocks): Added code to remove deleted blocks from
6113 (df_ref_create_structure, df_ref_record): Added code to properly
6115 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
6116 and set DF_REF_PARTIAL.
6117 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
6118 (df_uses_record): Added DF_REF_PARTIAL for subreg.
6119 (df_scan_add_problem): Added flags parameter.
6120 (df_ref_create_structure): Changed switching structure.
6121 (df_bb_refs_record): Fixed case where duplicate artificial refs
6122 were created. Changed location of flags.
6123 (df_record_entry_block_defs): Added code to make stack pointer
6124 live in entry block. Refined cases where frame pointer is needed.
6125 Changed location of flags.
6126 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
6127 (df_set_state): Removed function.
6128 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
6129 df_insn_create_insn_record, df_insn_refs_delete,
6130 df_ref_create_structure): Formatting changes.
6131 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
6132 df_delete_basic_block): New function.
6133 (df_init): Changed location of flags.
6134 (df_add_problem): Added flags parameter and the way flags are
6136 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
6137 debug_df_chain): Improved debugging output.
6138 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
6139 (df_refs_chain_dump): Removed df parameter.
6140 (df_iterative_dataflow): Added consistency check.
6141 (df_prune_to_subcfg): Made public.
6142 (df_analyze_problem): Added blocks_to_init parameter and made
6144 (df_ref_record, df_bb_refs_record, df_mark_reg,
6145 df_record_exit_block_uses): Whitespace changes.
6146 (df_dump): Whitespace changes.
6147 * df.h: Some reordering to remove forward references.
6148 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
6149 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
6150 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
6151 (dataflow.flags): New field.
6152 (df.flag): Deleted field.
6153 (df_alloc_function): Added additional bitmap parameter.
6154 (df_dependent_problem_function): New type.
6155 (df_problem.changeable_flags): New field.
6156 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
6157 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
6158 (df_mw_hardreg): New struct.
6159 (DF_INSN_UID_MWS): New macro.
6160 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
6162 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
6163 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
6164 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
6165 (df_set_state): Removed function.
6166 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6167 * df-problems.c (df_chain_dump): Removed df parameter.
6168 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6169 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6171 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6172 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6173 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6174 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6175 DF_REF_MUST_CLOBBER cases.
6176 (df_ru_bb_local_compute_process_def,
6177 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6178 df_lr_bb_local_compute, df_ur_bb_local_compute,
6179 df_chain_create_bb): Made subreg aware.
6180 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6181 df_lr_bb_local_compute, df_lr_bb_local_compute,
6182 df_chain_create_bb): Cleanup to use proper macros.
6183 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6184 code to fixup bitvectors.
6185 (df_ri_alloc): Cleared lifetime.
6186 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6187 df_create_unused_note): New function.
6188 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6189 REG_DEAD and REG_UNUSED notes as well as register information.
6190 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6191 df_chains_dump): Fixed crash if problem was never run.
6192 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6193 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6194 df_ri_add_problem): Processes flags in uniform manner.
6195 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6196 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6197 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6198 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6199 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6200 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6201 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6202 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6203 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6204 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6205 * see.c (see_initialize_data): Ditto.
6206 * final.c (rest_of_clean_state) Added regstack_completed.
6207 * rtl.h (regstack_completed): Ditto.
6208 * reg-stack.c (regstack_completed): Ditto.
6210 2006-05-19 Mike Stump <mrs@apple.com>
6212 * c-tree.h (default_conversion): Remove.
6213 * c-common.h (default_conversion): Add.
6215 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6217 * tree-vrp.c (valid_value_p): New function.
6218 (adjust_range_with_scev): Fail if the value of bound is not
6221 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6223 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6224 (mips_fallback_frame_state): Use syscall numbers to determine
6225 the appropriate li instruction for the current ABI. Only use
6226 __NR_sigreturn for o32.
6228 2006-05-19 Nicolas Setton <setton@adacore.com>
6230 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6231 * langhooks.c (lhd_dwarf_name): New function.
6232 * langhooks-def.h (lhd_dwarf_name): Declare.
6233 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6234 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6235 * ada/misc.c (gnat_dwarf_name): New function.
6236 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6238 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6240 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6242 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6243 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6244 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6245 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6246 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6247 determine the size of Wtype, etc.
6248 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6249 (swfloatfuncs): New variable.
6250 (dwfloatfuncs): Likewise.
6251 (lib2funcs): Remove floating-point conversion functions from
6252 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6253 the set of conversion routines needed. Allow entries to specify
6254 an object name, filename and word size. Update users accordingly.
6255 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6256 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6260 2006-02-08 Roger Sayle <roger@eyesopen.com>
6263 * config/fixtfdi.c: New libgcc source file.
6264 * config/fixunstfdi.c: New source file.
6265 * config/floatditf.c: New source file.
6266 * config/floatunditf.c: New souce file.
6267 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6268 files above instead of config/mips/_tilib.c.
6269 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6271 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6273 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6274 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6276 2006-05-18 Mike Stump <mrs@apple.com>
6278 Fix up vla, vm and [*] sematics.
6284 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6285 (c_vla_unspec_p): Add.
6286 (c_vla_type_p): Add.
6287 * c-decl.c (struct c_scope): Add had_vla_unspec.
6288 (build_array_declarator): Add support for [*].
6289 (grokdeclarator): Likewise.
6290 (grokparms): Likewise.
6291 (get_parm_info): Likewise.
6292 * c-objc-common.c (c_vla_unspec_p): Likewise.
6293 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6294 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6295 typeof when argument is a variably modified type not inside sizeof or alignof.
6296 (c_parser_direct_declarator_inner): Propagate errors.
6297 (c_parser_sizeof_expression): Add support for [*].
6298 (c_parser_parms_declarator): Initialize had_vla_unspec.
6299 (c_parser_parms_list_declarator): Likewise.
6300 * c-typeck.c (c_vla_type_p): Add.
6301 (composite_type): Add support for vla compositing.
6302 (comptypes_internal): Add support for vla compatibility.
6303 (c_expr_sizeof_expr): Evaluate vla arguments.
6304 * tree.c (variably_modified_type_p): Update comment for [*].
6306 2006-05-18 Michael Matz <matz@suse.de>
6309 * config.host: Make assignments to host_xmake_file cumulative.
6310 * config.host (*-darwin*): Test $host, not $target.
6312 2006-05-12 Stuart Hastings <stuart@apple.com>
6314 * config/i386/i386.opt (-mstackrealign): New flag.
6315 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6316 (ix86_handle_cconv_attribute): Emit error when
6317 force_align_arg_pointer attribute collides with too many regparms.
6318 (ix86_function_regparm): Limit regparms when used with
6319 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6320 Support stack-realigning prologue in non-main functions. Emit
6321 warning for nested functions under -mstackrealign, emit error for
6322 nested functions with force_align_arg_pointer attribute.
6323 * doc/extend.texi (force_align_arg_pointer): Document it.
6324 * doc/invoke.texi (-mstackrealign): Document it.
6326 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6328 PR rtl-optimization/27477
6329 * combine.c (try_combine): Don't split a parallel consisting
6330 of two sets into two individual sets if both sets reference
6333 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6335 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6336 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6338 * doc/options.texi (VarExists): Updated.
6340 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6342 * unwind-dw2.c: Add declarations for uw_update_context and
6344 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6345 detected, advance frame state and context once to skip over stub.
6347 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6351 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6352 Call rewrite_into_loop_closed_ssa only when something changed.
6353 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6354 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6355 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6356 Test for perfect_nest_p here. Fix formating.
6357 (replace_uses_equiv_to_x_with_y): Fix formating.
6358 (stmt_uses_op): Removed.
6359 (can_convert_to_perfect_nest): Removed loopivs parameter.
6360 Complete the test by checking the scalar dependences.
6361 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6364 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6367 From Dan Kegel <dank@kegel.com>:
6368 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6370 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6372 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6373 if the element type is variably modified without recursing.
6375 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6378 * tree-loop-linear.c (try_interchange_loops): Test for
6379 no data dependences.
6381 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6383 PR tree-optimization/27548
6384 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6385 range of ssa names that appear on abnormal edges.
6386 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6387 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6389 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6392 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6394 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6397 * tree.h (OMP_PARALLEL_COMBINED): Define.
6398 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6399 (new_omp_context): Add is_combined_parallel argument.
6400 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6401 new_omp_context caller.
6402 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6403 Adjust gimplify_scan_omp_clauses callers.
6404 (omp_is_private): Issue errors if iteration variable is firstprivate
6405 or reduction in the current context.
6406 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6407 on combined parallel workshare constructs.
6409 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6411 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6412 (gcc-options.o): New rule.
6414 * optc-gen.awk: Protect variables for gcc-options.o with
6415 #ifdef GCC_DRIVER/#endif.
6417 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6419 Fix PR tree-optimization/27373
6420 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6421 (forward_propagate_addr_expr): Update call.
6423 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6425 * doc/options.texi: Move the Negative option.
6427 2006-05-16 Richard Guenther <rguenther@suse.de>
6429 PR tree-optimization/22303
6430 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6432 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6433 ccp_fold did not simplify the statement.
6435 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6438 * Makefile.in (GCC_OBJS): New.
6439 (OBJS-common): Add opts-common.o.
6440 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6441 (cpp$(exeext)): Likewise.
6442 (gcc.o): Also depend on opts.h.
6443 (opts-common.o): New.
6445 * common.opt (gcoff): Add Negative(gdwarf-2).
6446 (gdwarf-2): Add Negative(gstabs).
6447 (gstabs): Add Negative(gstabs+).
6448 (gstabs+): Add Negative(gvms).
6449 (gvms): Add Negative(gxcoff).
6450 (gxcoff): Add Negative(gxcoff+).
6451 (gxcoff+): Add Negative(gcoff).
6452 * config/i386/i386.opt (m32): Add Negative(m64).
6453 (m64): Add Negative(m32).
6455 * doc/options.texi: Document the Negative option.
6457 * gcc.c: Include "opts.h".
6458 (main): Call prune_options after expandargv.
6460 * optc-gen.awk: Generate common declarations for all flag
6461 variables in options.c. Output the neg_index field.
6463 * opts.c (find_opt): Moved to ...
6464 * opts-common.c: Here. New file.
6466 * opts.h (cl_option): Add a neg_index field.
6468 (prune_options): Likewise.
6470 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6473 * omp-low.c (expand_omp_parallel): Don't assert
6474 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6475 instead search for it.
6478 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6481 2006-05-16 Andreas Schwab <schwab@suse.de>
6483 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6486 2006-05-15 Roger Sayle <roger@eyesopen.com>
6489 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6490 integer constants other than zero are only legitimate on TARGET_64BIT.
6491 <CONST_VECTOR> Only zero vectors are legitimate.
6492 (ix86_cannot_force_const_mem): Integral and vector constants can
6493 always be put in the constant pool.
6495 2006-05-16 DJ Delorie <dj@redhat.com>
6497 * crtstuff.c (__dso_handle): Set section from
6498 TARGET_LBIGCC_SDATA_SECTION if defined.
6499 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6500 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6502 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6505 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6508 2006-05-16 Ben Elliston <bje@au.ibm.com>
6510 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6512 2006-05-15 Per Bothner <per@bothner.com>
6514 * tree.c: (last_annotated_node): Use source_locus typedef.
6515 This permits bootstrapping with --enable-mapped-location.
6517 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6519 PR tree-optimization/26830
6520 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6521 (info_for_ssa_name, current_info_for_ssa_name_age,
6522 blocks_to_update): New variables.
6523 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6524 (clear_ssa_name_info, initialize_flags_in_bb,
6525 mark_block_for_update): New functions.
6526 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6527 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6528 prepare_def_site_for): Use mark_block_for_update.
6529 (mark_def_interesting): Assert that the processed block is marked in
6530 blocks_to_update. Do not take blocks argument.
6531 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6533 (rewrite_update_init_block, rewrite_update_stmt): Only process
6534 blocks with statements to rewrite.
6535 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6536 (update_ssa): Initialize and free blocks_to_update. Do not
6537 clear flags on statements. Do not use blocks bitmap.
6538 * tree.h (SSA_NAME_AUX): Removed.
6539 (struct tree_ssa_name): Removed aux field.
6540 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6542 2006-05-15 Richard Guenther <rguenther@suse.de>
6544 PR tree-optimization/27603
6545 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6546 Do computations in original type.
6548 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6550 * see.c: Code style changes such as redundant paranthesis,
6551 redundant intialization of local variables etc.
6552 (see_main): Declared now as static.
6553 * doc/invoke.texi: Update that -fsee is not enabled by
6556 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6558 * omp-low.c (check_omp_nesting_restrictions): New function.
6559 (scan_omp_1): Call it.
6562 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6563 construct, return *VAR.
6565 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6567 PR rtl-optimization/27406
6568 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6571 2006-05-14 Roger Sayle <roger@eyesopen.com>
6573 PR rtl-optimization/27538
6574 * combine.c (expand_compound_operation): Call gen_lowpart
6575 before calling simplify_shift_const.
6577 2006-05-14 Roger Sayle <roger@eyesopen.com>
6579 PR rtl-optimization/22563
6580 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6581 a fixed width bitfield, always force the intermediates into psuedos.
6583 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6586 * mkconfig.sh: Use operator = instead of == for test.
6588 2006-05-13 Nick Clifton <nickc@redhat.com>
6590 * dwarf2out.c (dbx_reg_number): Check return value from
6591 LEAF_REG_REMAP and only use it if it is valid.
6592 (multiple_reg_loc_descriptor): Likewise.
6594 2006-05-13 Richard Guenther <rguenther@suse.de>
6596 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6599 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6601 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6602 information attached to non-INSNs such as NOTEs.
6603 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6605 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6607 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6609 * config/s390/s390.md: Adjust comment describing On constraint.
6611 2006-05-11 Jan Hubicka <jh@suse.cz>
6613 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6614 to be output at -O0.
6616 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6619 * fold-const.c (size_binop): Move sanity check for arguments to
6620 the beginning of the function.
6623 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6626 2006-05-11 Richard Guenther <rguenther@suse.de>
6629 * fold-const.c (fold_unary): Handle intermediate conversion
6630 to a pointer type like intermediate conversion to an integer
6631 type in folding of (T1)(T2)var to var.
6632 Match the code to the comment in the final conversion for
6633 (T1)(T2)var to (T1)var regarding to type precision. Rather
6634 than disallow T1 being of pointer type, assert that both T1
6635 and var are of pointer type or not. Make sure not to fall
6636 over the frontends lazyness wrt array to pointer decay though.
6638 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6640 * arm.c (arm_struct_value_rtx): Delete.
6641 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6642 (arm_init_cumulative_args): Always initialize nregs to zero.
6644 2006-05-10 Richard Guenther <rguenther@suse.de>
6646 PR tree-optimization/27532
6647 * tree-object-size.c (plus_expr_object_size): Fix typo.
6649 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6652 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6653 ashrdi_const, ashrdi3): Use a scratch register.
6655 2006-05-10 Richard Guenther <rguenther@suse.de>
6657 PR tree-optimization/27302
6658 * fold-const.c (operand_equal_p): For two comparisons,
6659 try comparison of one comparison code swapped if that yields
6662 2006-05-10 Ben Elliston <bje@au.ibm.com>
6664 * tree-pretty-print.c (pretty_print_string): No need to handle
6665 '\0' as a special character.
6667 * tree.h: Include "hashtab.h".
6668 (iterative_hash_expr): Use hashval_t in its prototype.
6669 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6671 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6674 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6675 (hppa*64*-*-hpux11*): Ditto.
6676 (hppa[12]*-*-hpux11*): Ditto.
6678 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6681 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6683 2006-05-09 Michael Matz <matz@suse.de>
6685 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6686 host_extra_gcc_objs and host_xmake_file.
6687 (<*-*-linux*>): Don't overwrite host_xmake_file.
6688 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6689 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6690 (host_detect_local_cpu): Declare.
6691 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6692 * config/i386/i386.c (override_options): Handle -mtune=native
6694 * config/i386/x-i386: New file.
6695 * config/i386/driver-i386.c: New file.
6696 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6699 2006-05-09 Dirk Mueller <dmueller@suse.de>
6700 Richard Guenther <rguenther@suse.de>
6703 * fold-const.c (fold_read_from_constant_string): Relax check
6704 for matching types to matching modes.
6706 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6708 PR rtl-optimization/27335
6709 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6712 2006-05-08 Chao-ying Fu <fu@mips.com>
6713 Richard Sandiford <richard@codesourcery.com>
6715 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6716 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6717 * config/mips/mips.md (UNSPEC_SCC): New constant.
6718 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6719 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6720 (mips_emit_compare): Use it.
6721 (mips_expand_vcondv2sf): New function.
6723 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6725 Fix PR tree-optimization/27093
6726 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6727 renaming when they become not-used_alone.
6729 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6731 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6732 relocation and relocation stubs.
6734 2006-05-08 Eric Christopher <echristo@apple.com>
6736 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6739 2006-05-08 Jan Hubicka <jh@suse.cz>
6742 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6743 unused static functions are needed.
6745 2006-05-08 Roger Sayle <roger@eyesopen.com>
6748 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6749 of a reg_equiv_constant if the result is a legitimate constant.
6751 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6754 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6755 standard 80387 constants, raise the cost to prevent
6756 compress_float_constant() to generate load from memory.
6758 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6760 * config/arm/constraints.md (c): Fix a typo.
6762 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6765 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6768 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6770 (_mm_mwait): Likewise.
6772 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6774 (sse3_monitor): Make it 32bit only.
6775 (sse3_monitor64): New. 64bit monitor.
6777 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6780 * config/i386/i386.c (classify_argument): Skip fields with invalid
6783 2006-05-07 Richard Guenther <rguenther@suse.de>
6785 PR tree-optimization/27409
6786 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6787 Do not try to find zero-sized subvars.
6789 2006-05-07 Richard Guenther <rguenther@suse.de>
6791 PR tree-optimization/27136
6792 * tree-ssa-loop-niter.c (get_val_for): Correct function
6793 comment, assert requirements.
6794 (loop_niter_by_eval): Stop processing if the iterated
6795 value did not simplify.
6797 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6799 * opts.c (flag_see): remove its setting at -O3.
6801 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6803 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6804 * arm/constraints.md: New file.
6805 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6806 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6807 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6808 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6809 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6810 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6811 * arm.md: Include constraints.md.
6812 (thumb_movsi_insn): Use satisfies_constraint_J.
6813 (movhi, movqi): Use satisfies_constraint_I.
6815 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6817 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6818 for atmeg a645 device.
6820 2006-05-06 Richard Guenther <rguenther@suse.de>
6822 PR tree-optimization/27151
6823 * tree-vect-transform.c (vectorizable_condition): Punt on
6824 values that have a different type than the condition.
6826 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6829 * c-parser.c (c_parser_cast_expression): Only insert casts into
6830 hash table if pointer.
6831 * function.c (used_types_insert_helper): Rename from
6833 (used_types_insert): Call used_types_insert_helper.
6834 * function.h (used_types_insert): Accept only one argument.
6836 2006-05-05 David Edelsohn <edesohn@gnu.org>
6838 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6839 scratch with output modifier.
6841 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6844 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6845 with output modifier.
6847 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6850 * config/mips/mips.c (mips_symbolic_address_p): Return true
6851 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6852 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6854 2006-05-04 Richard Guenther <rguenther@suse.de>
6856 PR tree-optimization/14287
6857 PR tree-optimization/14844
6858 PR tree-optimization/19792
6859 PR tree-optimization/21608
6860 PR tree-optimization/27090
6861 * tree-ssa-pre.c (try_combine_conversion): New function.
6862 (compute_avail): After constructing the value-handle
6863 expression, use try_combine_conversion to combine NOP_EXPRs
6864 with previous value-handle expressions and use the result if it
6867 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6869 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6871 2006-05-04 Jan Hubicka <jh@suse.cz>
6874 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6876 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6878 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6879 that this only matches CONST_INTs. All users changed to VOIDmode
6882 * config/bfin/bfin.c: Include "optabs.h".
6883 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6885 (enum bfin_builtins): Add a number of fractional and vector builtins.
6886 (bfin_init_builtins): Likewise.
6887 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6888 (safe_vector_operand, bfin_expand_binop_builtin,
6889 bfin_expand_unop_builtin): New functions.
6890 (bfin_expand_builtin): Handle the new builtins.
6891 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6894 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6897 * Makefile.in (OBJS-common): Add see.o.
6898 (see.o): Add dependencies.
6899 * common.opt (fsee): New flag for the see optimization was added.
6900 * opts.c (flag_see): Initialized.
6901 * passes.c (init_optimization_passes, pass_see): New pass.
6902 * rtl.h (see_main): Declaration as extern.
6903 * timevar.def (TV_SEE): New.
6904 * tree-pass.h (pass_see): Declaration as extern.
6905 * invoke.texi (-fsee): Document.
6906 * recog.c (validate_simplify_insn): New function.
6907 * recog.h (validate_simplify_insn): Declaration as extern.
6908 * df-problems.c (df_chain_dump): Check for NULL.
6910 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6911 Daniel Berlin <dberlin@dberlin.org>
6913 * cfgrtl.c (insert_insn_bb_end_new): New function.
6914 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6916 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6918 * df.h (struct web_entry): Moved from web.c.
6919 (union_defs): Declaration as extern.
6920 (unionfind_root): Likewise.
6921 (unionfind_union): Likewise.
6922 * web.c (struct web_entry): Moved to df.h.
6923 (unionfind_root): Remove static declaration.
6924 (unionfind_union): Likewise.
6925 (union_defs): Likewise and generalize to use callback function.
6926 (web_main): Update arguments for union_defs function call.
6928 2006-05-04 Richard Guenther <rguenther@suse.de>
6930 PR tree-optimization/26447
6931 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6932 produce SSA_NAME copies before the store stmt to avoid
6933 breaking exception handling.
6935 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6938 * gimplify.c (omp_is_private): If var is shared in some outer context,
6939 return false instead of true. Stop searching on parallel context
6942 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6945 * coverage.c: Use get_gcov_unsigned_t() instead of
6946 unsigned_type_node all over.
6948 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6950 PR tree-optimization/27381
6951 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6952 maintain the same immediate_use links.
6953 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6954 node rather than segfaulting.
6956 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6959 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6960 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6961 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6963 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6965 Fix PR tree-optimization/26626
6966 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6968 * tree-ssa-operands.c (access_can_touch_variable): Allow
6969 typecasting through union pointers.
6971 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6974 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6975 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6976 to find if var will be a global variable even in the nested context.
6977 (omp_copy_decl): Only check for global variable at the end, it might
6978 be overridden in outer contexts.
6979 (scan_sharing_clauses): For global variables don't create a field.
6980 (lower_rec_input_clauses): Do nothing for global shared variables.
6981 Emit a barrier at the end of ILIST if there were any decls in both
6982 firstprivate and lastprivate clauses.
6983 (lower_send_clauses): Do nothing for global variables except for
6986 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6988 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6989 of the correct signedness is returned.
6991 2006-05-02 Jeff Law <law@redhat.com>
6993 PR tree-optimization/27364
6994 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6995 multiply expressions.
6997 2006-05-02 Tom Tromey <tromey@redhat.com>
6999 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
7001 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
7004 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
7005 -mthumb -fPIC are used.
7007 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
7008 Joshua Kinard <kumba@gentoo.org>
7011 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
7012 with 64-bit pointers.
7014 2006-05-02 Paul Brook <paul@codesourcery.com>
7016 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
7018 (create_fix_barrier): Check that a suitable barrier location is
7020 (arm_reorg): Include ftmp->address in allowable range of addresses.
7022 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
7025 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
7028 2006-05-02 Jakub Jelinek <jakub@redhat.com>
7031 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
7032 around RESULT_DECL for result passed by reference.
7033 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
7034 * omp-low.c (use_pointer_for_field): Don't look at
7035 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
7036 (scan_omp_1): Call remap_decl on RESULT_DECLs.
7037 (lower_rec_input_clauses): Don't allocate VLA memory for the second
7038 time or var for passing by reference for
7039 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
7040 TREE_ADDRESSABLE variables when passing by reference.
7042 * omp-low.c (dump_omp_region): Fix output formatting.
7045 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
7046 (expand_omp_parallel): Likewise.
7047 * tree-cfg.c (move_sese_region_to_fn): Likewise.
7050 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
7051 on statement list containing also constructors and destructors.
7052 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
7055 * except.c (duplicate_eh_regions): Fix clearing of
7056 cfun->eh->region_array entries.
7058 2006-05-01 DJ Delorie <dj@redhat.com>
7060 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
7062 (gcc_cv_objdump): Likewise.
7063 * configure: Regenerated.
7065 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
7068 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
7069 templates for case 3 and 4.
7071 2006-05-01 DJ Delorie <dj@redhat.com>
7073 * vec.c: Include bconfig.h when appropriate.
7074 * Makefile.in (build/vec.o): Adjust dependencies.
7075 * mkconfig.sh: Make sure config.h isn't used for build machine
7078 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7080 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
7082 (mark_phi_for_rewrite): New function.
7083 (insert_phi_nodes_for, mark_use_interesting): Call
7084 mark_phi_for_rewrite.
7085 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
7086 (update_ssa): Initialize and free phis_to_rewrite.
7088 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7090 PR rtl-optimization/27291
7091 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
7092 folded to a constant.
7094 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7096 PR tree-optimization/27283
7097 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
7098 not whole # of iteration descriptions.
7099 (niter_for_exit): Return just # of iterations. Fail if # of iterations
7100 uses abnormal ssa name.
7101 (niter_for_single_dom_exit): Ditto.
7102 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
7103 return just the number of iterations.
7105 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7107 PR tree-optimization/27144
7108 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
7109 (record_estimate): Only record constant upper bound.
7110 (infer_loop_bounds_from_undefined): Call
7111 compute_estimated_nb_iterations just once.
7112 (proved_non_wrapping_p): Renamed to ...
7113 (n_of_executions_at_most): ... this. Expect bound to be a constant.
7114 (convert_step_widening, scev_probably_wraps_p): Call
7115 n_of_executions_at_most instead of proved_non_wrapping_p.
7116 (substitute_in_loop_info): Do not replace values in bounds.
7117 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
7120 2006-05-01 Richard Henderson <rth@redhat.com>
7123 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
7124 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
7127 2006-05-01 Roger Sayle <roger@eyesopen.com>
7129 * c-typeck.c (parser_build_binary_op): Don't call the function
7130 unsigned_conversion_warning to spot operand/result type overflow.
7131 (build_binary_op): Instead, call convert_and_check instead of
7132 convert to report the problem when the operands are promoted.
7133 * c-common.c (unsigned_conversion_warning): Make static.
7134 * c-common.h (unsigned_conversion_warning): Delete prototype.
7136 2006-05-01 Richard Guenther <rguenther@suse.de>
7138 PR tree-optimization/26726
7139 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
7141 (find_interesting_uses_address): ... we work around here
7142 by folding INDIRECT_REFs in the substituted base.
7144 2006-05-01 Diego Novillo <dnovillo@redhat.com>
7146 * omp-low.c (dump_omp_region): Add newlines.
7148 2006-04-30 Roger Sayle <roger@eyesopen.com>
7150 * common.opt (Woverflow): New command line option.
7151 * c-common.c (constant_expression_warning): Check warn_overflow.
7152 (overflow_waring): Pass OPT_Woverflow to warning.
7153 (unsigned_conversion_warning): Likewise.
7154 (convert_and_check): Likewise.
7155 * doc/invoke.texi: Document new command line option.
7157 2006-04-30 David Edelsohn <edelsohn@gnu.org>
7159 * config/rs6000/rs6000.c (rs6000_override_options): Enable
7160 TARGET_NO_FP_IN_TOC for section anchors.
7161 (optimization_options): Enable section anchors for all
7162 non-"Objective" languages.
7164 2006-04-28 Eric Christopher <echristo@apple.com>
7166 * config/darwin-c.c (darwin_ms_struct): Move this
7167 (darwin_set_default_type_attributes): and this...
7168 * config/darwin.c: ... here.
7169 * config/darwin.h (darwin_ms_struct): Declare.
7171 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7173 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7175 2006-04-28 Roger Sayle <roger@eyesopen.com>
7178 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7179 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7180 an unsigned HOST_WIDE_INT.
7181 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7183 (really_start_incremental_init): No need to call convert because
7184 bitsize_zero_node is already of type bitsizetype.
7185 (push_init_level): Extract the value of constructor_index as an
7186 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7187 (process_init_element): Likewise.
7189 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7191 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7192 value before passing to make_relative_prefix.
7194 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7197 * builtins.c (expand_builtin_memset): Expand val in original mode.
7199 2006-04-27 Eric Christopher <echristo@apple.com>
7201 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7202 with #ifndef/#endif.
7203 * config/darwin-c.c (darwin_ms_struct): New.
7204 (darwin_pragma_ms_struct): Ditto.
7205 (darwin_set_default_type_attributes): Ditto.
7206 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7207 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7208 Register ms_struct pragma.
7209 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7210 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7211 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7212 darwin_set_default_type_attributes if TARGET_MACHO.
7214 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7216 PR tree-optimization/26854
7217 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7218 * doc/tree-ssa.texi: Update immuse iterator documentation.
7219 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7220 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7221 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7222 first_safe_imm_use, next_safe_imm_use): Remove.
7223 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7224 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7225 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7226 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7227 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7228 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7229 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7230 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7231 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7232 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7233 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7234 (perfect_nestify): Use new iterator.
7235 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7237 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7238 (next_imm_name): New field in struct immediate_use_iterator_d.
7239 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7240 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7241 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7242 * tree-cfg.c (replace_uses_by): Use new iterator.
7243 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7244 * tree-ssa-operands.c (correct_use_link): Remove.
7245 (finalize_ssa_use_ops): No longer call correct_use_link.
7247 2006-04-27 Stuart Hastings <stuart@apple.com>
7249 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7250 * config/t-darwin (crt3.o): Use it.
7251 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7252 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7253 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7254 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7255 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7258 2006-04-27 Roger Sayle <roger@eyesopen.com>
7260 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7261 size, force the intermediate into a new pseudo rather instead of
7262 performing both a bitwise AND and a bitwise IOR in memory.
7264 2006-04-27 Richard Guenther <rguenther@suse.de>
7266 PR rtl-optimization/26685
7267 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7268 this one "max-flow-memory-locations".
7270 2006-04-27 Richard Guenther <rguenther@suse.de>
7272 PR tree-optimization/25148
7273 * tree-vrp.c (compare_values): Remove code dealing with
7274 comparisons against type min/max value. Honour overflow
7275 and negative constants in code dealing with comparisons
7276 of plus and minus expressions.
7277 (value_inside_range): Use fold_binary with LE_EXPR and
7278 GE_EXPR rather than compare_values.
7280 2006-04-27 Dirk Mueller <dmueller@suse.de>
7282 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7285 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7287 * basic-block.h (safe_insert_insn_on_edge): Removed.
7288 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7290 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7291 Paolo Bonzini <bonzini@gnu.org>
7294 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7295 (simplify_and_const_int): Same.
7297 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7299 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7301 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7304 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7305 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7306 cgraph_global_info_ready.
7309 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7312 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7313 either decl or init is error_mark_node.
7316 * tree-flow.h (struct omp_region): Add sched_kind.
7317 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7318 instead of extracting omp for data.
7319 (expand_omp_for): Save extracted sched_kind.
7321 2006-04-25 Roger Sayle <roger@eyesopen.com>
7323 * expmed.c (store_bit_field): Also check whether the bitsize is
7324 valid for the machine's "insv" instruction before moving the
7325 target into a pseudo for use with the insv.
7326 * config/i386/predicates.md (const8_operand): New predicate.
7327 * config/i386/i386.md (extv, extzv, insv): Use the new
7328 const8_operand predicate where appropriate.
7330 2006-04-25 DJ Delorie <dj@redhat.com>
7332 * doc/install.texi (Specific): Clarify that this is not a list of
7333 supported hosts or targets.
7335 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7337 PR rtl-optimization/26725
7338 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7339 block's BB_DIRTY flag.
7341 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7343 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7346 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7347 to print an integer.
7349 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7351 * varasm.c (align_variable): New function.
7352 (get_block_for_decl): Apply align_variable to DECL before
7353 calculating section information.
7354 (assemble_variable): Split out alignment computation.
7356 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7358 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7361 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7363 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7364 MODE_PARTIAL_INT mode.
7365 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7366 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7368 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7369 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7371 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7373 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7375 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7376 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7377 MACFLAG_IH): Likewise.
7378 (movstricthi_1): Renamed from "*movstricthi".
7379 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7380 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7381 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7382 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7383 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7384 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7385 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7386 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7387 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7388 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7389 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7390 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7391 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7392 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7393 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7395 * doc/rtl.texi (ss_ashift): Improve wording.
7397 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7399 * dwarf2out.c (verify_marks_clear): New.
7400 (prune_unused_types): Call verify_marks_clear initially, not
7403 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7405 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7406 * doc/rtl.texi: Document them.
7407 * simplify-rtx.c (simplify_unary_operation,
7408 simplify_binary_operation_1): Don't abort when we see them.
7410 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7413 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7414 * configure.ac: Completely disregard languages that are not
7416 * configure: Regenerated.
7418 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7419 Richard Guenther <rguenther@suse.de>
7421 PR tree-optimization/27236
7422 * tree-inline.c (copy_body_r): Make sure to copy
7423 TREE_THIS_VOLATILE flag.
7425 2006-04-24 Richard Guenther <rguenther@suse.de>
7428 * tree-complex.c (update_parameter_components): Don't handle
7429 unused parameters which have no default def.
7431 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7432 Richard Guenther <rguenther@suse.de>
7434 PR tree-optimization/27218
7435 * tree-inline.c (expand_call_inline): Strip useless type
7436 conversions for the return slot address.
7438 2006-04-24 Richard Guenther <rguenther@suse.de>
7440 * cfgloop.h (struct loops): Remove unused field array. Reorder
7442 (LOOP_PREFETCH): Remove.
7444 2006-04-24 Richard Guenther <rguenther@suse.de>
7446 PR tree-optimization/22525
7447 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7448 variable, adjust types of generated expressions.
7450 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7452 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7453 (tree-vect-patterns.o): Likewise.
7455 (cselib.o): Likewise.
7456 (loop-doloop.o): Likewise.
7457 (regclass.o): Likewise.
7458 (reload1.o): Likewise.
7459 (explow.o): Replace target.h with $(TARGET_H).
7460 (ipa-prop.o): Likewise.
7461 (ipa-cp.o): Likewise.
7462 (ipa-inline.o): Likewise.
7463 (reorg.o): Likewise.
7464 (reg-stack.o): Likewise.
7466 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7468 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7470 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7472 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7474 * configure.ac: Completely disregard languages that are not
7476 * configure: Regenerated.
7479 * c-common.h (c_build_bitfield_integer_type): Declare.
7480 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7481 * c-common.c (c_build_bitfield_integer_type): ... here.
7483 2006-04-23 Roger Sayle <roger@eyesopen.com>
7486 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7487 a SImode SUBREG of a floating point register after no_new_pseudos.
7489 2006-04-23 Roger Sayle <roger@eyesopen.com>
7491 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7492 identify potentially eliminable registers to additionally catch
7493 VIRTUAL_INCOMING_ARGS_REGNUM.
7494 (addsi3): Update the conditions on when to use addsi_small_int.
7496 2006-04-23 Roger Sayle <roger@eyesopen.com>
7499 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7500 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7501 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7503 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7505 * fold-const.c (range_predecessor): Use operand_equal_p
7506 as the predicate for equality.
7507 (range_successor): Likewise.
7509 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7512 * config/soft-fp/op-common.h: Fix a typo.
7514 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7517 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7518 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7520 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7522 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7524 * doc/tm.texi: Fix a typo.
7526 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7528 * dwarf2out.c (struct die_struct): Document that die_sib makes
7529 a circular linked list.
7530 (FOR_EACH_CHILD): New.
7531 (reverse_die_lists): Delete.
7532 (reverse_all_dies): Delete.
7533 (add_dwarf_attr): Correct documentation.
7534 (remove_child_with_prev): New.
7535 (remove_child_TAG): Update for change to die_struct, use
7536 remove_child_with_prev.
7537 (add_child_die): Update for change to die_struct.
7538 (splice_child_die): Use remove_child_with_prev and add_child_die.
7539 (print_die): Use FOR_EACH_CHILD.
7540 (die_checksum): Likewise.
7541 (assign_symbol_names): Likewise.
7542 (output_location_lists): Likewise.
7543 (build_abbrev_table): Likewise.
7544 (calc_die_sizes): Likewise.
7545 (mark_dies): Likewise.
7546 (unmark_dies): Likewise.
7547 (unmark_all_dies): Likewise.
7548 (output_die): Likewise.
7549 (prune_unused_types_mark): Likewise.
7550 (prune_unused_types_walk): Likewise.
7551 (same_die_p): Update for change to die_struct.
7552 (break_out_includes): Likewise.
7553 (prune_unused_types_prune): Likewise.
7554 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7555 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7557 (dwarf2out_finish): Don't call reverse_all_dies.
7559 2006-04-21 Eric Christopher <echristo@apple.com>
7561 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7562 in comments and function names.
7564 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7567 * c-typeck.c (digest_init): Robustify.
7569 * c-typeck.c (pop_init_level): Simplify.
7571 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7573 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7575 2006-04-21 Paul Brook <paul@codesourcery.com>
7577 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7578 hardware floating point.
7580 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7582 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7585 2006-04-21 Nick Clifton <nickc@redhat.com>
7587 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7590 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7593 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7594 C++ lang type in traceback table for Objective-C++.
7596 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7598 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7600 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7602 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7605 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7606 were errors. Remove check for erroneous objects.
7608 2006-04-20 Jeff Law <law@redhat.com>
7610 PR tree-optimization/26854
7611 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7612 checking for zero or one use.
7613 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7614 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7615 * tree-ssa-reassoc.c (negate_value): Similarly.
7616 (reassociate_bb): Similarly.
7618 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7620 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7621 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7622 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7624 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7626 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7627 fp regs if the last fp arg doesn't fit in regs.
7629 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7632 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7633 that the last insn has the REG_INC note.
7635 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7636 Nathan Sidwell <nathan@codesourcery.com>
7639 * stor-layout.c (update_alignment_for_field): Do not align
7641 (place_union_field): Place union field at the start of the union.
7642 (place_field): Move ERROR_MARK check later, and use the current
7643 allocation position to maintain monotonicity.
7645 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7647 * dominance.c: Include timevar.h.
7648 (calculate_dominance_info): Use TV_DOMINANCE.
7649 * timevar.def (TV_DOMINANCE): New timevar.
7650 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7652 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7654 PR rtl-optimization/14261
7655 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7656 move would be an INSV insn.
7657 (noce_process_if_block): Don't optimize if the destination is a
7658 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7660 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7662 * config/s390/s390.md: Add comments with the instructions emitted
7663 by an insn pattern if macros are used.
7665 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7667 PR rtl-optimization/26026
7668 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7669 is a known power of two shifted left a variable amount.
7671 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7673 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7674 to hash table twice when the debug_str section has SECTION_MERGE.
7676 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7678 * config/soft-fp: New directory. From glibc.
7679 * config/soft-fp/t-softfp: New.
7680 * config/soft-fp/README: New.
7681 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7682 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7683 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7684 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7685 * config.gcc: Use rs6000/t-fprules-fpbit or
7686 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7688 * config/rs6000/sfp-machine.h: New. Based on glibc.
7689 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7691 * config/rs6000/t-fprules: Remove fp-bit rules.
7692 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7693 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7694 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7695 (softfp_wrap_start, softfp_wrap_end): New.
7697 2006-04-18 DJ Delorie <dj@redhat.com>
7699 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7701 2006-04-18 Devang Patel <dpatel@apple.com>
7703 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7705 2006-04-18 Nick Clifton <nickc@redhat.com>
7707 * config/sh/t-symbian: Add rule to build sh-c.o
7708 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7709 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7710 (sh_symbian_encode_section_info): Likewise.
7712 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7714 * builtins.c (expand_builtin_strcmp): Cover label definition of
7715 do_libcall with HAVE_cmpstrnsi.
7717 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7719 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7721 * function.h (temp_slot_p): New.
7722 (function): Change the type of x_used_temp_slots to
7723 VEC(temp_slot_p,gc) *.
7725 2006-04-18 Nick Clifton <nickc@redhat.com>
7727 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7728 flag_strength_reduce.
7730 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7732 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7736 Partial revert of revision 112637
7737 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7738 Dale Johannesen <dalej@apple.com>
7741 * regclass.c (struct reg_pref): Update documentation.
7742 (regclass): Set prefclass to NO_REGS if memory is the best option.
7743 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7745 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7747 PR tree-optimization/26821
7748 * tree-ssa-math-opts.c (get_constant_one): New.
7749 (insert_reciprocals): Use it.
7751 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7753 * dwarf2out.c (free_AT): Delete.
7754 (remove_AT): Update string ref counts.
7755 (remove_child_TAG): Don't call free_die.
7757 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7758 or DW_TAG_GNU_EINCL.
7759 (prune_unused_types_walk_attribs): Reset string refcounts.
7760 (prune_unused_types_update_strings): New.
7761 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7762 call free_die. Do call prune_unused_types_update_strings.
7763 (prune_unused_types): Empty debug_str_hash.
7765 2006-04-17 Roger Sayle <roger@eyesopen.com>
7767 * expr.c (expand_assignment): Optimize away no-op moves where the
7768 source and destination are equal and have no side-effects.
7770 2006-04-17 Richard Guenther <rguenther@suse.de>
7773 * reload.c (push_reload): Guard calls to get_secondary_mem
7776 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7778 * alias.c (reg_base_value, old_reg_base_value): Change the
7779 type to VEC(rtx,gc) *.
7780 (REG_BASE_VALUE, find_base_value, record_set,
7781 init_alias_analysis): Use VEC instead of VARRAY.
7783 * alias.c (alias_sets): Change the type to
7784 VEC(alias_set_entry,gc) *.
7785 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7786 VEC instead of VARRAY.
7787 (last_alias_set): Remove.
7789 * cgraph.h (cgraph_edge_p): New.
7790 Update the prototype of cgraph_function_versioning.
7791 * cgraphunit.c (cgraph_copy_node_for_versioning,
7792 cgraph_function_versioning): Use VEC instead of VARRAY.
7793 * ipa-cp.c (ipcp_insert_stage): Likewise.
7795 2006-04-16 Roger Sayle <roger@eyesopen.com>
7798 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7799 "A op B" or "A op C", we may need to convert A to the type of B and C.
7801 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7803 * target.h (struct gcc_target): Add mode_rep_extended.
7804 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7805 (init_num_sign_bit_copies_in_rep): Initialize it using
7807 (truncate_to_mode): Use it.
7808 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7809 * targhooks.h (default_mode_rep_extended): Declare it.
7810 * targhooks.c (default_mode_rep_extended): Define it.
7811 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7812 default_mode_rep_extended.
7813 (TARGET_INITIALIZER): Include it.
7814 * doc/tm.texi (Misc): Document it.
7815 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7816 (mips_truncated_to_mode): New function.
7818 2006-04-16 Roger Sayle <roger@eyesopen.com>
7821 * expr.c (compress_float_constant): Copy the narrow constant into
7822 a new pseudo before extending it to its final width.
7824 2006-04-16 Roger Sayle <roger@eyesopen.com>
7825 Andrew Pinski <pinskia@gcc.gnu.org>
7826 Dale Johannesen <dalej@apple.com>
7829 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7830 special case code to implement V8HImode and V16QImode with SSE2.
7832 2006-04-15 Roger Sayle <roger@eyesopen.com>
7834 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7835 trees are constructed with a suitable tree type.
7837 2006-04-15 Roger Sayle <roger@eyesopen.com>
7839 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7840 (integer_onep): Likewise.
7841 (integer_all_onesp): Likewise.
7842 (integer_pow2p): Likewise.
7843 (integer_nonzerop): Likewise.
7844 (real_zerop): Likewise.
7845 (real_onep): Likewise.
7846 (real_twop): Likewise.
7847 (real_minus_onep): Likewise.
7848 (int_size_in_bytes): Likewise.
7849 (host_integerp): Likewise.
7851 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7853 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7854 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7855 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7857 * tree-ssa-structalias.h (alias_info): Remove num_references.
7859 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7861 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7862 (output_bvb patterns): Likewise.
7863 * pa.c (output_bb): Use 'bb' insn for long branch case.
7864 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7865 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7866 1. Correct length operand for alternatives 1 and 2.
7867 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7868 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7870 2006-04-14 Roger Sayle <roger@eyesopen.com>
7872 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7873 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7874 were accidentally reverted by r112959.
7876 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7879 * except.h (eh_region_outermost): New prototype.
7880 * except.c (eh_region_outermost): New function.
7881 * tree-cfg.c (find_outermost_region_in_block): Use it.
7883 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7885 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7887 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7888 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7889 (init_reload, reload): Use VEC instead of VARRAY.
7890 * reload.h: Update the prototype for
7891 reg_equiv_memory_loc_varray.
7893 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7894 Eric Botcazou <ebotcazou@libertysurf.fr>
7896 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7899 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7902 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7903 to expand fallback builtin function call.
7905 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7908 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7909 and emit libcall here in case the builtin fails.
7910 (expand_builtin_strcmp): Always emit the libcall here on failure.
7912 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7914 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7915 * flow.c (reg_n_info): Change the type to
7916 VEC(reg_info_p,heap) *.
7917 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7919 * regs.h (reg_info_p): New.
7920 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7921 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7922 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7925 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7927 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7929 * params.h (MAX_SCHED_READY_INSNS): New macro.
7930 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7931 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7932 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7933 the ready list for 1 cycle during the first scheduling pass.
7934 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7936 2006-04-13 Richard Henderson <rth@redhat.com>
7939 * gimple-low.c (lower_omp_directive): Remove dead code.
7940 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7941 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7942 * omp-low.c (struct omp_region): Move to tree-flow.h.
7943 (root_omp_region): Export.
7944 (omp_regions, lookup_omp_region): Remove.
7945 (determine_parallel_type): Update for struct omp_region changes.
7946 (dump_omp_region): Dump regions with block numbers.
7947 (new_omp_region): Take type and block instead of stmt; malloc
7949 (free_omp_region_1, free_omp_regions): New.
7950 (expand_parallel_call): Take entry_stmt as argument; update for
7951 changes to omp_region.
7952 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7953 (remove_exit_barriers): New.
7954 (expand_omp_parallel): Update for struct omp_region changes.
7955 (expand_omp_synch): Likewise.
7956 (expand_omp): Likewise.
7957 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7958 (expand_omp_for_static_chunk): Likewise.
7959 (expand_omp_for): Likewise.
7960 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7961 (expand_omp_sections): Similarly, with GOMP_sections_end.
7962 (expand_omp_single): New.
7963 (build_omp_regions_1): Update for OMP_CONTINUE.
7964 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7965 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7966 OMP_SECTIONS_SECTIONS.
7967 (lower_omp_single_simple): Don't emit barrier here.
7968 (lower_omp_single_copy): Likewise.
7969 (lower_omp_single): Fix bindings, and lower to straightline now.
7970 (lower_omp_master, lower_omp_ordered): Likewise.
7971 (lower_omp_critical): Likewise.
7972 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7973 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7974 omp edges, free it afterward.
7975 (make_omp_sections_edges): Remove.
7976 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7977 (move_stmt_r): Handle OMP_CONTINUE.
7978 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7979 statement pointers to basic blocks. Add type member.
7980 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7981 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7982 * tree-inline.c (estimate_num_insns_1): Likewise.
7983 * tree-pretty-print.c (dump_generic_node): Likewise.
7984 * tree-ssa-operands.c (get_expr_operands): Likewise.
7985 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7986 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7987 (OMP_CONTINUE): New.
7988 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7989 (OMP_SECTIONS_SECTIONS): Remove.
7990 (OMP_SECTION_LAST): New.
7991 (OMP_RETURN_NOWAIT): New.
7993 2006-04-13 Roger Sayle <roger@eyesopen.com>
7995 * fold-const.c (native_encode_vector, native_interpret_real):
7996 Correct obvious mistakes in the previous check-in.
7998 2006-04-13 Roger Sayle <roger@eyesopen.com>
8000 * fold-const.c (native_encode_expr): New function to encode
8001 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
8002 or VECTOR_CST into a specified buffer.
8003 (native_encode_int): New function.
8004 (native_encode_real): New function.
8005 (native_encode_complex): New function.
8006 (native_encode_vector): New function.
8007 (native_interpret_expr): Inverse of native_encode_expr to convert
8008 a target representation into an INTEGER_CST, REAL_CST etc...
8009 (native_interpret_int): New function.
8010 (native_interpret_real): New function.
8011 (native_interpret_complex): New function.
8012 (native_interpret_vector): New function.
8013 (fold_view_convert_expr): New function to constant fold/evaluate
8014 a VIEW_CONVERT_EXPR of a suitable constant expression.
8015 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
8016 Change call of build1 to fold_build1 when constructing a
8019 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
8020 Ulrich Weigand <uweigand@de.ibm.com>
8023 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
8026 2006-04-13 Alan Modra <amodra@bigpond.net.au>
8029 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
8030 optimize to lo_sum for DFmode if !TARGET_FPRS.
8032 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8034 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
8035 delete_alias_info, compute_flow_sensitive_aliasing,
8036 group_aliases): Use VEC instead of VARRAY.
8037 * tree-ssa-structalias.c (update_alias_info): Likewise.
8038 * tree-ssa-structalias.h (alias_info): Change the type of
8039 processed_ptrs to VEC(tree,heap) *.
8041 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
8044 * config/sh/lib1funcs.h: New file, broken out of:
8045 * config/sh/lib1funcs.asm.
8046 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
8048 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
8049 * config/sh/lib1funcs-Os-4-200.asm: New file.
8050 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
8051 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
8052 (EXTRA_MULTILIB_PARTS): Include it.
8053 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
8054 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
8055 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
8056 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
8059 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
8061 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
8062 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
8063 tpa_compact, root_var_init, type_var_init): Use VEC instead of
8065 * tree-ssa-live.h: Include vecprim.h.
8066 (tree_partition_associator_d): Change the type of
8067 first_partition to VEC(int,heap) *.
8068 (tpa_first_partition): Use VEC instead of VARRAY.
8070 * Makefile.in (GTFILES): Move functions.h after tree.h.
8071 * function.c (reset_block_changes, record_block_change,
8072 check_block_change, free_block_changes): Use VEC instead of
8074 * function.h (function): Change the type of
8075 ib_boundaries_block to VEC(tree,gc) *.
8076 * tree-inline.c (copy_cfg_body): Initialize
8077 ib_boundaries_block to NULL instead of (varray_type) 0.
8079 2006-04-12 Roger Sayle <roger@eyesopen.com>
8081 * expr.c (emit_group_store): Correct operand order in call to
8082 subreg_lowpart_offset. Always create paradoxical SUBREGs with
8083 a SUBREG_BYTE of zero.
8085 2006-04-12 Richard Guenther <rguenther@suse.de>
8087 * profile.c (compute_branch_probabilities): Remove code
8088 encapsulated in !ir_type (), which are remanents of the
8089 removed RTL profiling code.
8090 * rtl-profile.c: Remove.
8092 2006-04-12 Alan Modra <amodra@bigpond.net.au>
8094 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
8095 magic NULL_RTX comment.
8096 (function_arg): Store entire fp arg to mem if any part should go
8098 (rs6000_arg_partial_bytes): Adjust for above change.
8100 2006-04-11 Roger Sayle <roger@eyesopen.com>
8102 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
8103 if it hasn't been initialized by dwarf2out_init.
8105 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
8107 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
8108 symbolic constants in branch patterns.
8110 2006-04-11 Roger Sayle <roger@eyesopen.com>
8112 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
8114 2006-04-11 Richard Sandiford <richard@codesourcery.com>
8116 PR rtl-optimization/27073
8117 * gcse.c (try_replace_reg): Revert last change. Continue to search
8118 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
8121 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
8123 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
8124 aggregate types other than record and union types.
8125 (function_arg): Likewise.
8126 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
8128 (function_value): In 64-bit mode, return objects that require it
8131 2006-04-11 Roger Sayle <roger@eyesopen.com>
8133 * dwarf2out.c (premark_used_types): Remove problematic prototype.
8135 2006-04-11 Jakub Jelinek <jakub@redhat.com>
8137 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
8139 2006-04-03 Jeff Law <law@redhat.com>
8142 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
8143 alias information too.
8145 2006-04-10 Mike Frysinger <vapier@gentoo.org>
8147 * Makefile.in (gcc-cross): Add $(exeext) to target name.
8149 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
8152 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
8153 (premark_used_types_helper): New.
8154 (premark_used_types): New.
8155 (gen_subprogram_die): Call premark_used_types.
8156 (prune_unused_types_walk): Do not prune perennial dies.
8157 * function.c (used_types_insert): New.
8158 * function.h (struct function): Add used_types_hash field.
8159 (used_types_insert): Add prototype.
8160 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
8161 * c-parser.c (c_parser_cast_expression): Save casted types in used
8164 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8167 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8168 rs6000_explicit_options.float_gprs.
8170 2006-04-10 Roger Sayle <roger@eyesopen.com>
8172 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8173 from ix86_expand_vector_init_low_nonzero. Take an additional
8174 one_var argument indicating which element is non-zero. Support
8175 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8176 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8177 with one_var instead of ix86_expand_vector_init_low_nonzero.
8179 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8181 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8182 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8183 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8184 build/genextract.o): Depend on vecprim.h.
8185 * cfglayout.c, df-problems.c, function.c, genextract.c,
8186 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8187 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8191 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8193 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8194 Declare VECs of this type.
8195 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8196 (remove_children): Delete.
8197 (add_dwarf_attr): Use VEC routines.
8198 (add_AT_flag): Update for changes to add_dwarf_attr.
8199 (add_AT_int): Likewise.
8200 (add_AT_unsigned): Likewise.
8201 (add_AT_long_long): Likewise.
8202 (add_AT_vec): Likewise.
8203 (add_AT_string): Likewise.
8204 (add_AT_die_ref): Likewise.
8205 (add_AT_fde_ref): Likewise.
8206 (add_AT_loc): Likewise.
8207 (add_AT_loc_list): Likewise.
8208 (add_AT_addr): Likewise.
8209 (add_AT_lbl_id): Likewise.
8210 (add_AT_lineptr): Likewise.
8211 (add_AT_macptr): Likewise.
8212 (add_AT_offset): Likewise.
8213 (add_AT_range_list): Likewise.
8214 (get_AT): Use VEC_iterate.
8215 (remove_AT): Use VEC_ordered_remove.
8216 (free_die): Fold remove_children into here; have it use VEC_iterate.
8217 (print_die): Use VEC_iterate on attrs.
8218 (reverse_die_lists): Don't reverse attr lists.
8219 (die_checksum): Use VEC_iterate on attrs.
8220 (same_die_p): Likewise.
8221 (output_location_lists): Likewise.
8222 (build_abbrev_table): Likewise.
8223 (size_of_die): Likewise.
8224 (unmark_all_dies): Likewise.
8225 (output_abbrev_section): Likewise.
8226 (output_die): Likewise.
8227 (prune_unused_types_walk_attribs): Likewise.
8229 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8231 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8233 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8236 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8238 2006-04-09 Roger Sayle <roger@eyesopen.com>
8240 * expr.c (store_constructor): Don't bother clearing target if
8241 we're about to assign a vector to it using vec_init_optab.
8243 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8245 * tree-ssa-alias.c (lhs_may_store_to): New function.
8246 (recalculate_used_alone): Handle LHS of calls.
8248 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8252 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8253 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8254 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8255 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8256 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8257 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8258 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8259 stubs. Add ".align 8" directives before all ".dword" directives.
8260 (GTHREAD_USE_WEAK): Revise comment.
8261 (TARGET_ATTRIBUTE_WEAK): Define.
8262 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8263 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8264 * stublib.c: New file.
8269 * pa.md (cbranch patterns): Revise arguments used in calls to
8270 output_cbranch, output_bb and output_bvd. Add long branch length
8272 (fbranch patterns): Handle long branches.
8273 (jump): Revise length check. Revise arguments for output_lbranch call.
8274 Add long branch length attributes.
8275 (decrement_and_branch_until_zero): Add long branch length attributes.
8276 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8277 Likewise. Revise arguments for output_parallel_addb and
8278 output_parallel_movb calls.
8279 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8280 output_parallel_movb and output_parallel_addb): Update prototypes.
8281 * pa.c (output_cbranch): Revise arguments. Correct handling of
8282 nullification in long branches.
8283 (output_lbranch): Add new argument to control extraction of delay
8285 (output_bb): Handle long branches.
8286 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8287 output_parallel_addb): Likewise.
8289 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8291 PR rtl-optimization/27073
8292 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8295 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8297 * tree.h (tree_memory_tag): Add old_used_alone.
8298 (SMT_OLD_USED_ALONE): New macro.
8299 * tree-ssa-alias.c (recalculate_used_alone): Stop
8300 marking things for renaming unnecessarily.
8302 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8304 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8305 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8306 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8307 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8308 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8309 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8310 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8311 spelling convensions.
8312 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8313 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8314 typos. Follow spelling conventions.
8316 2006-04-07 DJ Delorie <dj@redhat.com>
8318 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8319 passed on the stack.
8320 (m32c_init_cumulative_args): When a function returns a structure,
8321 always pass the pointer to that return area on the stack.
8322 (m32c_function_arg_advance): Don't increment the parameter number
8323 if we're processing the returned structure pointer.
8324 (pushm_info): Reverse order of registers.
8326 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8328 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8329 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8330 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8331 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8333 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8334 chrec_fold_multiply): Same.
8335 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8336 force_expr_to_var_cost): Same.
8337 * tree-mudflap.c (mf_xform_derefs_1): Same.
8338 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8340 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8342 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8343 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8346 2006-04-07 Jan Hubicka <jh@suse.cz>
8348 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8350 2006-04-07 Richard Guenther <rguenther@suse.de>
8352 PR tree-optimization/26135
8353 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8354 loads for store copy-prop.
8355 (copy_prop_visit_stmt): Likewise.
8357 2006-04-05 Robert Millan <robertmh@gnu.org>
8359 * config/i386/linux.h: Add a comment to mark macros that are
8360 being overriden in config/k*bsd-gnu.h.
8361 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8363 * config/knetbsd-gnu.h: Ditto.
8365 2006-04-06 Jan Hubicka <jh@suse.cz>
8369 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8372 2006-04-06 Mike Stump <mrs@apple.com>
8374 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8375 for HAVE_nonlocal_goto to be consistent.
8376 (expand_builtin_nonlocal_goto): Likewise.
8377 (expand_builtin_strcmp): Use #ifdef instead of #if
8378 for HAVE_cmpstrnsi to be consistent.
8380 2006-04-05 DJ Delorie <dj@redhat.com>
8382 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8385 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8387 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8388 got-relative addressing for anything but SImode.
8390 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8391 even if the calling function doesn't modify them.
8393 2006-04-05 Richard Guenther <rguenther@suse.de>
8395 PR tree-optimization/26919
8396 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8397 to cgraph_estimate_size_after_inlining.
8399 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8401 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8403 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8405 PR tree-optimization/26996
8406 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8407 VECTOR_TYPE variables.
8409 2006-04-05 Richard Guenther <rguenther@suse.de>
8411 PR tree-optimization/26763
8412 * fold-const.c (fold_comparison): Move folding of
8413 PTR + CST CMP PTR + CST ...
8414 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8416 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8418 * doc/install.texi (Prerequisites): Refine some wording on
8419 bootstrapping and ksh.
8420 Move the version numbers of DejaGnu here from the testing section
8421 and fix casing of names.
8422 Fix markup and clarify wording for autogen requirements.
8423 Refer to GCJ instead of just java.
8424 Refer to SVN instead of CVS.
8425 Describe diffutils as useful instead of necessary.
8426 (Downloading the source): Refer to SVN instead of CVS.
8427 Adjust a link to our web site accordingly.
8428 (Configuration): Fix casing of Bison.
8429 (Building): Refer to SVN instead of CVS.
8430 Fix a sentence on the use of Bison and remove duplicate (and
8431 incorrect) version number of Bison requirement.
8432 Remove one redundant list of packages needed for building.
8433 (Specific): Avoid reference to CVS.
8435 2006-04-04 Eric Christopher <echristo@apple.com>
8437 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8438 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8439 (rs6000_handle_struct_attribute): New.
8440 (rs6000_ms_bitfield_layout_p): Ditto.
8442 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8444 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8445 NULL for dso parameter to atexit_common.
8447 2006-04-04 Eric Christopher <echristo@apple.com>
8449 * config/i386/i386.c (machopic_output_stub): Output \t
8450 between instructions and operands.
8452 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8454 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8455 satisfies_constraint_[IL] to explicit tests on value.
8457 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8459 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8460 set_nb_iterations_in_loop): Use build_int_cst instead of
8462 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8463 build_int_cst instead of convert.
8465 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8467 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8468 new value 2 for incoming.
8469 * function.c (expand_function_start): Call struct_value_rtx
8471 * config/sparc/sparc.md: Comment updated_return.
8472 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8473 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8474 struct return if sparc_std_struct_return and incoming is 2.
8475 (print_operand): Do not adjust return if
8476 sparc_std_struct_return.
8478 2006-04-04 Roger Sayle <roger@eyesopen.com>
8480 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8481 convert in the middle-end.
8482 * expr.c (store_expr, store_constructor, get_inner_reference,
8483 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8485 * tree.c (build_range_type): Likewise.
8487 2006-04-04 Tom Tromey <tromey@redhat.com>
8489 * doc/install.texi (Prerequisites): Mention jar.
8491 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8493 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8496 2006-04-04 Matthias Klose <doko@debian.org>
8498 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8502 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8505 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8507 * doc/extend.texi (Function Attributes): Rewrite visibility
8508 attribute documentation.
8509 * doc/invoke.texi (C++ Dialect Options): Rewrite
8510 -fvisibility-inlines-hidden documentation to describe something
8511 entirely different, although in practise compatible.
8512 (Code Gen Options): Warn about system headers in -fvisibility=
8515 * doc/extend.texi (Other Builtins): Document that
8516 __builtin_nan is a compile-time constant only when its argument
8519 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8521 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8522 trying to remove TRUNCATE check if all bits outside the new mode
8523 are identical to the sign bit.
8525 2006-04-03 Jeff Law <law@redhat.com>
8527 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8528 and operand scanning in some common cases.
8530 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8531 Dale Johannesen <dalej@apple.com>
8534 * regclass.c (struct reg_pref): Update documentation.
8535 (regclass): Set prefclass to NO_REGS if memory is the best option.
8536 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8537 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8538 into account. For non-registers, equate an empty preferred
8539 reload class to a `!' in the constraint; move the if clause to
8540 do so after those that reject the insn.
8541 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8543 (find_dummy_reload): Likewise.
8544 * doc/tm.texi (Register Classes): Document what it means
8545 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8546 * config/i386/i386.c (ix86_preferred_reload_class): Force
8547 using SSE registers (and return NO_REGS for floating-point
8548 constants) if math is done with SSE.
8549 (ix86_preferred_output_reload_class): New.
8550 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8551 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8552 * config/i386/i386.md: Remove # register preferences.
8554 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8557 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8558 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8559 the type of nb_iter.
8560 (instantiate_parameters_1): Convert the operands before calling
8561 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8562 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8564 2006-04-02 Roger Sayle <roger@eyesopen.com>
8566 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8567 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8569 * dojump.c (do_jump): Likewise.
8570 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8571 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8572 gimplify_boolean_expr): Likewise.
8573 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8574 * varasm.c (array_size_for_constructor): Likewise.
8575 * tree-object-size.c (compute_object_offset): Likewise.
8577 2006-04-02 Roger Sayle <roger@eyesopen.com>
8580 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8581 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8583 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8585 PR tree-optimization/26939
8586 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8588 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8590 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8591 at_stmt. Convert the type of operands before calling
8592 build_polynomial_chrec.
8593 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8595 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8596 (instantiate_parameters_1): Convert the type of operands before calling
8597 build_polynomial_chrec.
8598 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8599 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8600 reset_evolution_in_loop): Insert asserts to check the types of the
8602 (chrec_type): Moved...
8603 (eq_evolutions_p): Use operand_equal_p.
8604 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8605 the types of the operands.
8606 (chrec_type): ...here.
8607 * tree-data-ref.c (create_data_ref): Convert the operands before
8608 calling chrec_replace_initial_condition.
8609 (same_access_functions, analyze_subscript_affine_affine,
8610 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8611 (compute_subscript_distance, analyze_ziv_subscript,
8612 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8613 analyze_miv_subscript): Convert the operands before calling
8614 chrec_fold_minus or chrec_fold_plus.
8616 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8618 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8619 the dependence_relations vector.
8620 (compute_data_dependences_for_loop): Adjust call to
8621 compute_all_dependences.
8623 2006-04-01 Roger Sayle <roger@eyesopen.com>
8624 Richard Henderson <rth@redhat.com>
8626 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8627 gimple_boolify on the condition before calling gimplify_expr.
8629 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8631 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8632 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8633 the frame size. Update to use the new macros.
8634 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8635 * config/xtensa/ieee754-df.S: Likewise.
8637 2006-03-31 Richard Henderson <rth@redhat.com>
8639 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8640 (make_edges): ... here. Control fallthru creation with a local
8641 variable. Do not play with fake edges.
8642 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8643 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8646 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8648 * dwarf2.h (DW64_CIE_ID): Define.
8649 * dwarf2out.c (DWARF_CIE_ID): Define.
8650 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8651 length header. Use DWARF_CIE_ID.
8652 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8653 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8655 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8657 * config/sh/linux-atomic.asm: New file.
8658 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8660 2006-03-31 DJ Delorie <dj@redhat.com>
8662 * config/m32c/cond.md: Set condition flags properly throughout.
8663 * config/m32c/minmax.md: Likewise.
8664 * config/m32c/prologue.md: Likewise.
8665 * config/m32c/bitops.md: Likewise.
8666 * config/m32c/muldiv.md: Likewise.
8667 * config/m32c/mov.md: Likewise.
8668 * config/m32c/addsub.md: Likewise.
8669 * config/m32c/m32c.md: Likewise.
8670 * config/m32c/jump.md: Likewise.
8671 * config/m32c/shift.md: Likewise.
8673 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8674 conditionally output the pattern for this.
8675 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8676 (m32c_compare_redundant): New.
8677 (m32c_output_compare): New.
8678 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8680 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8681 dest, not src. Allow other 4-byte modes.
8683 2006-03-30 Denis Chertykov <denisc@overta.ru>
8685 * doc/md.texi: Refer to avr/constraints.md instead of
8688 2006-03-30 Roger Sayle <roger@eyesopen.com>
8690 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8691 signed vs. unsigned comparison failures on some hosts.
8693 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8696 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8697 change to FLOAT_REGS.
8699 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8700 (rs6000_override_options): Use it.
8701 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8702 only for -mabi=spe/no-spe and -mabi=altivec.
8704 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8706 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8709 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8711 * Makefile.in: Rename docdir to gcc_docdir.
8713 2006-03-30 Roger Sayle <roger@eyesopen.com>
8716 * expr.c (emit_group_store): Optimize group stores into a pseudo
8717 register by using a paradoxical subreg to initialize the destination
8718 if the first or last member of the group specifies a "low part".
8720 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8723 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8724 * target.h (struct gcc_target.speculate_insn): Change type of the
8725 second parameter to 'int'.
8726 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8727 the second operand of the DEPS_LIST.
8728 (copy_DEPS_LIST_list): Update reference to the second operand of the
8730 * rtl.h (alloc_DEPS_LIST): Update signature.
8731 * sched-int.h (ds_t): Change typedef to 'int'.
8732 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8734 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8736 * haifa-sched.c (try_ready): Change condition to restore
8737 non-speculative pattern of the instruction.
8738 (process_insn_depend_be_in_spec): Code to keep probability of the
8739 speculative dependence non-decreasing.
8741 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8743 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8744 (single_move_for_movmem): ... this. Also change all uses.
8745 (bfin_expand_strmov): Renamed to...
8746 (bfin_expand_movmem): ... this. Also change all uses.
8747 * config/bfin/bfin.md (movstrsi): Renamed to...
8748 (movstrsi): ...this.
8750 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8752 PR tree-optimization/26830
8754 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8755 (copy_prop_visit_stmt): Remove write-only variable ann.
8756 (init_copy_prop): Check variable loop depth here. Do not simulate
8757 memory-tag and virtual operand PHIs except for store copy prop.
8759 2006-03-30 Richard Guenther <rguenther@suse.de>
8761 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8762 variants with double arguments.
8764 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8766 * genpreds.c (write_tm_constrs_h): Delete variable p.
8767 * genconditions.c (write_header): Add tm-constrs.h to included
8769 * genpeep.c (main): Add toplev.h to included headers.
8770 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8771 (build/genpeep.o): Add toplev.h dependency.
8772 * config/rs6000/constraints.md: Add "W" constraint.
8774 2006-03-29 Roger Sayle <roger@eyesopen.com>
8776 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8777 sizes by correctly testing whether the size fits a host integer.
8778 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8779 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8780 SImode range for the default sizetype and bitsizetype.
8782 2006-03-29 Roger Sayle <roger@eyesopen.com>
8784 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8785 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8786 quickly if the argument is already of the correct type.
8787 Call fold_build1 instead of build1. Tidy up blank lines.
8789 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8791 * genemit.c (main): Add tm-constrs.h to included headers.
8792 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8793 * genpeep.c (main): Add tm-constrs.h to included headers.
8794 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8795 (write_tm_constrs_h): this and write complete file.
8796 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8797 (write_insn_preds_c): Add tm-constrs.h to included headers.
8798 (gen_constrs): New variable.
8799 (parse_option): Parse "-c".
8800 (main): Invoke write_tm_constrs_h.
8801 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8802 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8803 (object_out_file): Add tm-constrs.h dependency.
8804 (insn-emit.o): Same.
8805 (insn-output.o): Same.
8806 (insn-peep.o): Same.
8807 (insn-preds.o): Same.
8808 (insn-recog.o): Same.
8809 (tm-constsr.h): New target.
8810 (s-constrs-h): New target.
8812 * config/rs6000/constraints.md: New file.
8813 * config/rs6000/rs6000.c: Include tm-constrs.h.
8814 (num_insn_constant_wide): Convert to satisfies_constraint.
8815 (rs6000_rtx_costs): Convert to satisfies_constraint.
8816 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8817 (CONST_OK_FOR_LETTER_P): Delete.
8818 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8819 (EXTRA_CONSTRAINT): Delete.
8820 (EXTRA_MEMORY_CONSTRAINT): Delete.
8821 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8822 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8823 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8824 satisfies_constraint.
8826 * config/i386/i386.c: Include tm-constrs.h.
8828 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8830 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8831 * tree-data-ref.c (find_data_references_in_loop,
8832 compute_data_dependences_for_loop): Use pointers to VEC.
8833 (analyze_all_data_dependences): Adjust calls.
8834 * tree-data-ref.h (find_data_references_in_loop,
8835 compute_data_dependences_for_loop): Adjust declarations.
8836 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8837 compute_data_dependences_for_loop.
8839 2006-03-29 Paul Brook <paul@codesourcery.com>
8841 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8844 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8846 PR tree-optimization/26859
8847 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8849 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8850 for the step after fold_convert.
8852 2006-03-29 Paul Brook <paul@codesourcery.com>
8854 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8855 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8857 2006-03-29 Paul Brook <paul@codesourcery.com>
8860 * targhooks.c (default_narrow_bitfield): New fuction.
8861 * targhooks.h (default_narrow_bitfield): add prototype.
8862 * target.h (gcc_target): Add narrow_volatile_bitfield.
8863 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8864 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8865 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8866 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8868 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8870 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8872 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8873 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8874 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8875 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8876 (s390_function_arg_float): Allow SDmode and DDmode values to be
8877 passed in floating point registers.
8878 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8879 check with SCALAR_FLOAT_MODE_P.
8880 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8882 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8884 PR tree-optimization/25985
8885 * tree-ssa-loop-niter.c (number_of_iterations_le,
8886 number_of_iterations_ne): Make comments more precise.
8887 (number_of_iterations_cond): Add only_exit argument. Use the
8888 fact that signed variables do not overflow only when only_exit
8890 (loop_only_exit_p): New.
8891 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8892 number_of_iterations_cond.
8894 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8896 PR tree-optimization/26643
8897 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8900 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8902 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8903 (divsi3_i4_int): Likewise.
8905 2006-03-28 Roger Sayle <roger@eyesopen.com>
8907 * expr.c (emit_group_store): Only create a new pseudo reg if the
8908 quantity it needs to hold isn't already a suitable pseudo.
8910 2006-03-28 Jeff Law <law@redhat.com>
8912 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8913 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8915 2006-03-28 Roger Sayle <roger@eyesopen.com>
8917 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8918 the equivalent ~X & Y, and the symmetry related transformations.
8919 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8920 ~X & Y, and symmetry related transforms.
8922 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8924 Revert my 2006-03-27 patches.
8926 2006-03-28 Roger Sayle <roger@eyesopen.com>
8928 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8929 ~(T1)X, when T1 and T2 are integer types of the same precision
8930 and (T2)X isn't an extension.
8932 2006-03-28 Jeff Law <law@redhat.com>
8934 PR tree-optimization/26796
8935 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8936 need EH edge cleanups rather than purging them immediately.
8937 (eliminate_degenerate_phis): Handle queued EH cleanups.
8939 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8941 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8944 2006-03-27 Roger Sayle <roger@eyesopen.com>
8947 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8948 cast BIT_NOT_EXPR operand to the correct type.
8950 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8952 * tree-loop-linear.c: Don't include varray.h.
8953 (gather_interchange_stats, try_interchange_loops,
8954 linear_transform_loops): Use VEC instead of VARRAY.
8955 * lambda-mat.c: Don't include varray.h.
8956 * tree-chrec.c: Same.
8957 * lambda-trans.c: Same.
8958 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8959 VEC instead of VARRAY.
8960 * tree-vectorizer.h: Idem.
8961 * tree-data-ref.c (dump_data_references,
8962 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8963 initialize_data_dependence_relation, finalize_ddr_dependent,
8964 compute_all_dependences, find_data_references_in_loop,
8965 compute_data_dependences_for_loop, analyze_all_data_dependences,
8966 free_dependence_relation, free_dependence_relations,
8967 free_data_refs): Idem.
8968 * tree-data-ref.h (data_reference_p, subscript_p): New.
8969 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8970 VEC instead of VARRAY.
8971 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8972 (find_data_references_in_loop, compute_data_dependences_for_loop,
8973 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8974 dump_data_dependence_relations, free_dependence_relations,
8975 free_data_refs): Adjust declaration.
8976 (lambda_transform_legal_p): Move declaration here...
8977 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8978 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8979 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8980 vect_analyze_data_refs): Use VEC instead of VARRAY.
8981 * lambda.h (lambda_transform_legal_p): ...from here.
8982 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8983 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8984 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8985 tree-chrec.o): Don't depend on VARRAY_H.
8987 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8989 * rtl.def (Copyright): Update date.
8990 (DEPS_LIST): Change type of the second operand to 'int'.
8991 * target.h (Copyright): Update date.
8992 (struct gcc_target.speculate_insn): Change type of the second parameter
8994 * lists.c (Copyright): Update date.
8995 (alloc_DEPS_LIST): Change signature. Update reference to the second
8996 operand of the DEPS_LIST.
8997 (copy_DEPS_LIST_list): Update reference to the second operand of the
8999 * rtl.h (Copyright): Update date.
9000 (alloc_DEPS_LIST): Update signature.
9001 * sched-int.h (Copyright): Update date.
9002 (ds_t): Change typedef to 'int'.
9003 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
9005 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9007 * haifa-sched.c (Copyright): Update date.
9008 (try_ready): Change condition to restore non-speculative pattern
9010 (process_insn_depend_be_in_spec): Code to keep probability of the
9011 speculative dependence non-decreasing.
9013 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
9015 * regrename.c (replace_oldest_value_addr): Initialize a variable to
9016 shut up the compiler.
9018 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
9020 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
9021 to use lib prefix for target.
9022 ($(T)libic_invalidate_array_4-200.a): Likewise.
9023 ($(T)libic_invalidate_array_4a.a): Likewise.
9025 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
9026 J"orn Rennecke <joern.rennecke@st.com>
9028 * superh.opt: New file.
9029 * sh.c (boardtype, osruntime): Remove.
9030 * superh.h (SUBTARGET_OPTIONS): Remove.
9031 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
9033 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
9034 arguments with ^ and/or [].
9036 * config.gcc (sh-*-*): Add quoting to account for quirk of
9038 Replace == with = in enable_incomplete_targets test.
9040 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
9041 with MASK_LITTLE_ENDIAN.
9043 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
9044 * config/sh/sh.opt: Added to some comments.
9045 * config/sh/superh.h: Removed some chaff.
9047 * config/sh/sh.opt: Add m4-[1234]00* options.
9048 * config/sh/sh.c (sh_handle_option): Likewise.
9049 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
9050 (ic_invalidate_array_4-100.o): New rule.
9051 ($(T)libic_invalidate_array_4-100.a): Likewise.
9052 (ic_invalidate_array_4-200.o): Likewise.
9053 ($(T)libic_invalidate_array_4-200.a): Likewise.
9054 (ic_invalidate_array_4a.o): Likewise.
9055 ($(T)libic_invalidate_array_4a.a): Likewise.
9056 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
9057 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
9059 * config/sh/crt1.asm: Merged in profiling code.
9060 * config/sh/superh.h (STARTFILE_SPEC): Override.
9061 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
9062 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
9063 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
9065 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
9066 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
9067 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
9069 * sh.opt (mpretend-cmove): New option.
9070 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
9071 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
9072 (movsicc): Add TARGET_PRETEND_CMOVE code.
9074 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
9076 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
9077 s390_class_max_nregs): New function prototypes.
9078 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
9079 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
9080 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
9081 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
9083 2006-03-26 Geoffrey Keating <geoffk@apple.com>
9085 * dwarf2out.c (add_location_or_const_value_attribute): Call
9086 tree_add_const_value_attribute if nothing else works.
9087 (reference_to_unused): New.
9088 (rtl_for_decl_init): Use reference_to_unused to decide whether
9089 to output an initializer.
9091 2006-03-27 Alan Modra <amodra@bigpond.net.au>
9094 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
9095 peephole removing spe frob_di_df_2.
9097 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
9099 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
9100 (subscript_dependence_tester_1): Declared.
9101 (print_dir_vectors, print_dist_vectors): New.
9102 (debug_data_dependence_relation): New.
9103 (dump_data_dependence_relation): Print more details.
9104 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
9105 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
9106 (save_dist_v, save_dir_v, add_outer_distances,
9107 build_classic_dist_vector_1): New.
9108 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
9109 Don't test for lambda_vector_lexico_pos.
9110 (same_access_functions, add_multivariate_self_dist,
9111 add_other_self_distances, dir_from_dist): New.
9112 (build_classic_dir_vector): Replace implementation almost identical to
9113 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
9115 (subscript_dependence_tester_1): New.
9116 (subscript_dependence_tester): Handle the lexicographically negative
9117 distance vectors by recomputing the dependence relation.
9118 (compute_affine_dependence): Remove parameter loop_nest_depth.
9119 (compute_self_dependence): Don't call compute_subscript_distance.
9120 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
9121 Add a parameter for the loop_nest.
9122 (find_loop_nest_1, find_loop_nest): New.
9123 (compute_data_dependences_for_loop): Compute the loop nest, and give
9124 up if the nest is not well formed.
9125 * tree-data-ref.h (loop_p): New.
9126 (struct data_dependence_relation): Replace size_vect field with
9127 loop_nest, a vec of loops.
9128 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
9129 (DDR_LOOP_NEST): New.
9130 (print_dir_vectors, print_dist_vectors,
9131 debug_data_dependence_relation): Declared.
9132 (index_in_loop_nest): New.
9133 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
9134 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
9137 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
9139 * simplify-rtx.c (simplify_relational_operation): Call
9140 simplify_relational_operation_1 even if mode is VOIDmode.
9142 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
9144 PR tree-optimization/26804
9145 * tree.h (DECL_CALL_CLOBBERED): New macro.
9146 (tree_decl_common): Add call_clobbered_flag.
9147 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
9148 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
9149 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
9150 (mark_non_addressable): Ditto.
9151 * tree-ssa.c (verify_call_clobbered): New function.
9152 (verify_alias_info): Use it.
9153 * tree-pass.h (pass_reset_cc_flags): New prototype.
9154 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
9155 (reset_cc_flags): New function.
9156 * passes.c (init_optimization_passes): Call reset_cc_flags after
9157 initializing referenced_vars.
9159 2006-03-25 Uros Bizjak <uros@kss-loka.si>
9160 Roger Sayle <roger@eyesopen.com>
9163 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
9164 to 1.0 for non-real operands. Implement A / A optimization for
9167 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9169 * config/i386/i386.c (size_cost): Correct the comment for
9170 cost of storing fp registers.
9171 (i386_cost): Likewise.
9172 (i486_cost): Likewise.
9173 (pentium_cost): Likewise.
9174 (pentiumpro_cost): Likewise.
9175 (k6_cost): Likewise.
9176 (athlon_cost): Likewise.
9177 (k8_cost): Likewise.
9178 (pentium4_cost): Likewise.
9179 (nocona_cost): Likewise.
9180 (generic64_cost): Likewise.
9181 (generic32_cost): Likewise.
9183 2006-03-24 Denis Chertykov <denisc@overta.ru>
9185 * config/avr/avr-protos.h (extra_constraint): Delete.
9186 (extra_constraint_Q): New declaration.
9187 * config/avr/constraints.md: New file.
9188 * config/avr/avr.md: Include it.
9189 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9190 (TMP_REGNO, ZERO_REGNO): Likewise.
9191 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9192 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9193 (extra_constraint): Delete.
9194 (extra_constraint_Q): Test for memory constraint 'Q'.
9195 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9196 (REG_CLASS_FROM_LETTER): Delete.
9197 (CONST_OK_FOR_LETTER_P): Delete.
9198 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9199 (EXTRA_CONSTRAINT): Delete.
9200 (TMP_REGNO): Delete.
9201 (ZERO_REGNO): Delete.
9203 2006-03-24 Jeff Law <law@redhat.com>
9205 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9206 directly. Call mark_new_vars_to_rename slightly earlier.
9208 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9210 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9212 (gen_compile_unit_die): Use new language types for Objective-C and
9214 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9215 DW_LANG_C_plus_plus.
9218 * config/t-darwin (crt3.o): Work around bug 26840.
9219 * config/darwin-crt3.c: Rewrite.
9220 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9222 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9224 * doc/invoke.texi: Document -femit-class-debug-always
9225 * common.opt: Add -femit-class-debug-always.
9227 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9229 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9230 index and base register.
9231 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9232 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9233 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9234 REGNO_OK_FOR_INDEX_P.
9235 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9237 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9238 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9239 REG_OK_FOR_BASE_P): Definitions removed.
9241 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9244 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9245 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9246 set yet or weren't marked as local yet.
9248 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9250 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9253 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9255 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9256 (rs6000_legitimate_small_data_p): Delete.
9257 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9258 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9259 and make static. Add forward declaration. Update uses.
9260 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9261 of offsettable_memref_p.
9262 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9263 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9265 2006-03-24 Jeff Law <law@redhat.com>
9267 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9268 around bug in immediate-use iterator.
9270 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9273 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9274 or __LITTLE_ENDIAN__.
9276 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9278 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9279 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9280 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9281 * config/sh/sh.opt (mdiv=): Amend description.
9282 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9283 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9284 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9285 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9286 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9287 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9288 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9289 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9290 TARGET_DIVIDE_CALL_FP.
9292 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9294 * haifa-sched.c (choose_ready): Fix type of the local variable.
9295 Move local variables. Add comment.
9296 (check_reg_live): Change signature. Make callable from debugger.
9297 * sched-int.h (check_reg_live): Update signature.
9298 * sched-ebb.c (check_reg_live): Update parameters.
9299 * sched-rgn.c (check_reg_live): Ditto.
9300 (region_head_or_leaf_p): Check pointer before dereferencing.
9301 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9302 before reload on optimization levels below 1.
9304 2006-03-23 Richard Henderson <rth@redhat.com>
9306 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9310 * config/alpha/predicates.md (local_symbolic_operand): Reject
9313 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9316 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9317 expressions which have overflowed constants.
9319 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9321 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9323 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9325 * cfgloopmanip.c (create_loop_notes): Removed.
9326 * final.c (final_scan_insn): Do not handle loop notes.
9327 * jump.c (squeeze_notes): Ditto.
9328 * cfglayout.c (skip_insns_after_block,
9329 duplicate_insn_chain): Ditto.
9330 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9332 * cfgloop.h (create_loop_notes): Declaration removed.
9334 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9336 * varasm.c (output_constant_pool): Restore fnname and fndecl
9338 (assemble_start_function): Adjust call accordingly.
9339 (assemble_end_function): Likewise.
9341 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9344 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9347 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9349 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9352 * system.h (ICE_EXIT_CODE): New macro.
9353 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9354 (diagnostic_action_after_output): Likewise.
9355 * gcc.c (fatal_ice): New function.
9356 (execute): Use it instead of fatal.
9357 (fancy_abort): Likewise.
9358 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9360 2006-03-22 Jeff Law <law@redhat.com>
9362 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9363 iv_analyze_result returning false.
9365 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9367 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9369 2006-03-22 Richard Henderson <rth@redhat.com>
9372 * except.c (duplicate_eh_regions_0): New.
9373 (duplicate_eh_region_1): Duplicate the children of the node as
9374 well as the node itself. Link them up properly.
9375 (duplicate_eh_region_2): Merge into ...
9376 (duplicate_eh_regions): ... here. Take copy_region argument, and
9377 copy only a sub-tree if asked. Simplify copying and fixup.
9378 (eh_region_outer_p): New.
9379 * except.h (duplicate_eh_regions): Update decl.
9380 (eh_region_outer_p): Declare.
9381 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9382 (lower_omp_master): Likewise.
9383 (lower_omp_ordered): Likewise.
9384 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9385 (move_stmt_r): Use it to remap labels. Handle recursion vs
9386 remap_decls_p properly.
9387 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9388 (find_outermost_region_in_block): New.
9389 (new_label_mapper): New.
9390 (move_sese_region_to_fn): Copy eh information to the new function
9392 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9394 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9397 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9399 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9400 into shared libraries.
9402 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9404 * doc/md.texi: Refer to i386/constraints.md instead of
9406 * config/i386/constraints.md: New file, extracted from...
9407 * config/i386/predicates.md: ...here.
9408 * config/i386/i386.md: Include constraints.md.
9410 2006-03-21 Jason Merrill <jason@redhat.com>
9412 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9415 * expr.c (init_block_move_fn): Force default visibility.
9416 (init_block_clear_fn): Likewise.
9417 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9418 * targhooks.c (default_external_stack_protect_fail): Likewise.
9420 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9422 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9423 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9424 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9425 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9426 (loadgp): Use mips_current_loadgp_style.
9427 (loadgp_noshared): New pattern.
9428 (sibcall_internal): Use MIPS_CALL.
9429 (sibcall_value_internal): Likewise.
9430 (sibcall_value_multiple_internal): Likewise.
9431 (call_internal): Likewise.
9432 (call_value_internal): Likewise.
9433 (call_value_multiple_internal): Likewise.
9434 (call_split): Use MIPS_CALL and add an 'S' constraint.
9435 (call_value_split): Likewise.
9436 (call_value_multiple_split): Likewise.
9437 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9438 (-mshared): New option.
9439 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9440 (mips_current_loadgp_style): Declare.
9441 * config/mips/mips.c (mips_classify_symbol): Avoid using
9442 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9443 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9444 TARGET_ABSOLUTE_ABICALLS.
9445 (override_options): Adjust comments. Improve the warning that is
9446 issued when -mabicalls and -G are used together.
9447 (mips_file_start): Remove comment.
9448 (mips_current_loadgp_style): New function.
9449 (mips_gnu_local_gp): New variable.
9450 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9452 (mips_output_function_prologue): Use mips_current_laodgp_style.
9453 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9454 the cprestore instruction.
9455 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9456 live for TARGET_ABSOLUTE_ABICALLS.
9457 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9458 (ASM_SPEC): Pass down -mshared and -mno-shared.
9459 (MIPS_CALL): New macro.
9460 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9462 * doc/invoke.texi (-mabicalls): Update documentation.
9463 (-mshared): Document.
9465 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9467 * config/ia64/unwind-hpux.c: New file.
9468 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9470 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9473 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9475 2006-03-21 Jeff Law <law@redhat.com>
9477 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9478 type conversions of a VR_VARYING source to a wider type.
9480 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9482 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9483 tm_file on Solaris 10 and later.
9484 (sparc64-*-solaris2*): Likewise.
9485 (sparc-*-solaris2*): Likewise.
9486 * config/sol26.h: Rename to config/sol2-6.h.
9487 * config/sol2-10.h: New file.
9489 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9492 * tree-ssa-pre.c (create_component_ref_by_pieces):
9495 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9498 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9499 return it immediately.
9501 2006-03-21 Michael Matz <matz@suse.de>
9503 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9505 (remove_arc, add_arc): Update num_out_arcs member.
9506 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9508 (cache_presence): New function.
9509 (compare_states_for_equiv): New function.
9510 (state_is_differed): Don't take number of outargs, adjust callers.
9511 Use new invariant for speeding up.
9512 (init_equiv_class): Create initial classes based on sorted
9514 (partition_equiv_class): Don't track out_arcs_num.
9515 (evaluate_equiv_classes): Call cache_presence on all states and
9518 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9520 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9521 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9522 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9523 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9525 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9526 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9527 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9528 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9529 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9531 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9532 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9533 (REGNO_REG_CLASS): ARGP is in PREGS.
9534 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9536 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9537 to deal with those addresses.
9538 * addresses.h: New file.
9539 * caller-save.c: Include "addresses.h".
9540 (init_caller_save): Use new base_reg_class function.
9541 * rtl-factoring.c: Include "addresses.h".
9542 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9543 * recog.c: Include "addresses.h".
9544 (preprocess_constraints): Use new base_reg_class function.
9545 * regrename.c: Include "addresses.h".
9546 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9547 functions. Keep track of a new var INDEX_CODE to compute valid
9549 (replace_oldest_value_addr): Likewise.
9550 (replace_oldest_value_mem): Use base_reg_class.
9551 * reload.c: Include "addresses.h".
9552 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9553 (find_reloads): Use new base_reg_class function.
9554 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9555 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9556 all callers and prototype changed.
9557 * reload1.c: Include "addresses.h".
9558 (maybe_fix_stack_asms): Use base_reg_class.
9559 * regclass.c: Include "addresses.h".
9560 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9561 (init_reg_autoinc): Use new base_reg_class function.
9562 (record_reg_classes): Likewise.
9563 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9564 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9565 Use new args to compute necessary class.
9567 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9568 regrename.o, rtl-factoring.o): Update dependencies.
9569 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9570 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9571 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9572 REG_OK_FOR_INDEX_P): Delete documentation.
9574 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9576 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9577 from V7 to V9 for Solaris 7 and above.
9579 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9581 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9582 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9583 argument pointers may not alias any other storage.
9584 * common.opt: Define option -fargument-noalias-anything.
9585 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9586 alias semantics is specified by flag_argument_noalias > 2.
9588 2006-03-20 Jeff Law <law@redhat.com>
9590 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9591 (pass_phi_only_cprop): Declare.
9592 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9594 * tree-ssa-dom.c (degenerate_phi_result): New function.
9595 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9596 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9597 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9598 (eliminate_degenerate_phis): Likewise.
9599 (pass_phi_only_cprop): New pass descriptor.
9600 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9601 support code. Callers updated.
9602 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9603 (store_copy_prop): Likewise.
9604 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9606 2006-03-20 Jason Merrill <jason@redhat.com>
9609 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9610 (push_visibility, pop_visibility): Likewise.
9611 * c-pragma.h: Declare them.
9613 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9615 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9617 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9618 parameter and use get_ebb_head_tail.
9619 (sh_md_init_global): Adjust uses of find_regmode_weight.
9621 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9623 * function.h (struct function) <x_tail_recursion_reentry>:
9624 Rename to x_stack_check_probe_note.
9625 (tail_recursion_reentry): Rename to stack_check_probe_note.
9626 * function.c: Replace tail_recursion_reentry with
9627 stack_check_probe_note everywhere.
9628 (expand_function_start): Only emit a note for
9629 stack_check_probe_note with -fstack-protect.
9630 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9632 * emit-rtl.c (remove_unnecessary_notes): Remove.
9633 (pass_remove_unnecessary_notes): Remove.
9634 * rtl.h (remove_unnecessary_notes): Remove prototype.
9635 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9636 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9637 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9639 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9642 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9643 (valid_in_set): Handle ARRAY_REF.
9644 Change "if min_variant or VH" to asserts.
9645 (create_component_ref_by_pieces): Handle ARRAY_REF.
9646 (create_expression_by_pieces): Likewise.
9647 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9649 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9651 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9652 is operand of switch, not str[0].
9654 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9656 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9657 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9659 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9661 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9662 end of insn_extra_address_constraint declaration.
9664 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9666 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9667 (no-sum-in-toc): Same.
9668 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9670 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9671 NO_FP_IN_TOC for -fPIC instead of mask.
9673 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9674 (BOOT_LDFLAGS): Delete.
9676 * config/rs6000/t-aix52: Same.
9678 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9679 (stmsi[345678]_power): New.
9681 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9683 * config/ia64/ia64.opt: Add empty line to end of file.
9685 2006-03-17 Richard Guenther <rguenther@suse.de>
9688 * builtins.c (get_pointer_alignment): For component style references
9689 adjust alignment to the component type alignment. Make sure
9690 to adjust alignment for component access of constants.
9692 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9694 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9697 2006-03-17 Paul Brook <paul@codesourcery.com>
9699 * doc/install.texi: Docuemnt --with-mode.
9700 * config.gcc: Add --with-mode for arm*-*-*.
9701 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9703 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9705 * sh.c (max_labelno_before_reorg): New variable.
9706 (sh_reorg): Initialize it.
9707 (find_barrier): Check max_labelno_before_reorg before using
9708 label_to_alignment. Take length of explicit alignment insns
9709 into account. When seeing a UNSPECV_CONST_END, return it.
9711 * sh.c (fixup_mova): Set mode of affected label to QImode.
9712 (untangle_mova): New function.
9713 (find_barrier): Use it. Check mode of label before decrementing
9715 (sh_reorg): Likewise.
9716 Set mode of all insns back to VOIDmode.
9718 * sh.c (MOVA_LABELREF): New macro.
9719 (mova_p, fixup_mova, sh_reorg): Use it.
9720 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9721 ADDR_DIFF_VEC matches mova.
9723 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9725 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9726 with ATTRIBUTE_UNUSED.
9728 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9730 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9731 pointer, instead of assuming it is possible to derive the
9732 correct args size from a call insn.
9734 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9736 * rtl.h (CONST_INT_P): Define.
9737 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9738 instead of GET_CODE(x) == CONST_INT.
9739 (vax_rtx_costs): Likewise.
9740 (vax_output_int_move): Likewise.
9741 (vax_output_int_add): Likewise.
9742 (legitimate_constant_address_p): Likewise.
9743 (index_term_p): Likewise.
9744 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9745 * config/vax/vax.md (and<mode>3): Likewise.
9746 (ashrsi3): Likewise.
9748 (movstricthi): Likewise.
9749 (movstrictqi): Likewise.
9750 (rotrsi3): Likewise.
9751 (five unnamed insns): Likewise.
9753 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9755 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9756 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9757 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9758 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9759 Pass to ASM_OUTPUT_DWARF_OFFSET.
9760 * dwarf2out.c (debug_frame_section): New.
9761 (output_call_frame_info): Use debug_frame_section. Pass it to
9762 dw2_asm_output_offset.
9763 (output_die): Pass appropriate section to dw2_asm_output_offset.
9764 (output_compilation_unit_header): Likewise.
9765 (output_pubnames): Likewise.
9766 (output_aranges): Likewise.
9767 (enum dw_val_class): Break dw_val_class_lbl_offset into
9768 dw_val_class_lineptr and dw_val_class_macptr.
9769 (add_AT_lbl_offset): Delete.
9770 (add_AT_lineptr): New.
9771 (add_AT_macptr): New.
9772 (AT_lbl): Expect a lineptr or macptr.
9773 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9774 (attr_checksum): Likewise.
9775 (same_dw_val_p): Likewise.
9776 (size_of_die): Likewise.
9777 (value_format): Likewise.
9778 (output_die): Likewise.
9779 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9781 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9782 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9783 * config/darwin-protos.h (darwin_file_start): New.
9784 (darwin_asm_output_dwarf_offset): New.
9785 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9786 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9788 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9789 if not EH section; simplify.
9790 (darwin_file_start): New.
9791 (darwin_asm_output_dwarf_offset): New.
9792 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9794 (DEBUG_INFO_SECTION): Likewise.
9795 (DEBUG_ABBREV_SECTION): Likewise.
9796 (DEBUG_ARANGES_SECTION): Likewise.
9797 (DEBUG_MACINFO_SECTION): Likewise.
9798 (DEBUG_LINE_SECTION): Likewise.
9799 (DEBUG_LOC_SECTION): Likewise.
9800 (DEBUG_PUBNAMES_SECTION): Likewise.
9801 (DEBUG_STR_SECTION): Likewise.
9802 (DEBUG_RANGES_SECTION): Likewise.
9803 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9804 (ASM_OUTPUT_DWARF_OFFSET): New.
9806 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9808 * config.gcc (tm_defines): Always add to previous value rather
9811 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9813 * config/mips/predicates.md (splittable_const_int_operand): New,
9814 split from move_operand.
9815 (splittable_symbolic_operand): New.
9816 (move_operand): Add commentary. Use splittable_const_int_operand.
9817 Inline mips_atomic_symbolic_constant_p.
9818 * config/mips/mips.md: Add combine splitters for handling moves
9819 of splittable_const_int_operands and splittable_symbolic_operands.
9820 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9821 (mips_split_symbol): Declare.
9822 (mips_move_integer): Declare.
9823 * config/mips/mips.c (mips_split_p): Make global.
9824 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9825 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9826 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9827 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9828 (mips_offset_within_object_p): Handle block symbols.
9829 (mips_atomic_symbolic_constant_p): Delete.
9830 (mips_cannot_force_const_mem): Return false for constants that
9831 mips_legitimize_move can handle.
9832 (mips_use_blocks_for_constant_p): New function.
9833 (mips_split_symbol): Make global.
9834 (mips_move_integer): Likewise. Add a temporary register argument.
9835 (mips_legitimize_const_move): Use splittable_const_int_operand and
9836 splittable_symbolic_operand.
9837 (mips_use_anchors_for_symbol_p): New function.
9838 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9839 (mips_split_p): Declare.
9841 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9843 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9844 (mips*-*-linux*): Likewise.
9846 2006-03-16 Roger Sayle <roger@eyesopen.com>
9847 Daniel Speyer <dspeyer@wam.umd.edu>
9850 * tree-dump.c (dump_real): New function.
9851 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9852 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9853 (tree-dump.o): Add $(REAL_H) to the dependencies.
9855 2006-03-16 Roger Sayle <roger@eyesopen.com>
9858 * real.c (real_from_string): If the mantissa is zero, don't bother
9859 parsing the exponent as the result should always be zero.
9861 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9863 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9865 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9867 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9868 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9869 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9870 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9871 ia64_sched_finish_global): New static functions to implement
9872 hooks from gcc_target.sched.
9873 (spec_check_no, max_uid, pending_data_specs): New static variables.
9874 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9875 ia64_spec_check_src_p): New static functions.
9876 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9877 (TARGET_SCHED_ADJUST_COST): Removed.
9878 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9879 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9880 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9881 TARGET_SCHED_GEN_CHECK,
9882 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9883 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9884 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9885 Fixed to handle speculation checks.
9886 (rtx_needs_barrier): Fixed to handle speculative loads and
9888 (ia64_variable_issue): Added code to count speculative loads and their
9890 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9892 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9894 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9896 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9897 (ia64_reorg): Reset stops_p to NULL after it is freed.
9898 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9899 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9900 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9902 (data_speculative, control_speculative, check_load): New attributes.
9903 (mov<mode>_advanced, mov<mode>_speculative,
9904 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9905 zero_extend<mode>di2_speculative,
9906 zero_extend<mode>di2_speculative_advanced): New patterns for
9907 data and control speculative loads.
9908 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9910 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9911 New pattern for data and control speculation checks.
9912 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9913 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9914 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9915 Auxiliary definitions for the patterns.
9916 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9917 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9919 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9921 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9922 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9923 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9924 New resource constraints.
9925 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9927 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9928 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9929 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9930 msched-in-control-spec, msched-ldc, msched-control-ldc,
9931 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9932 msched-prefer-non-control-spec-insns,
9933 msched-count-spec-in-critical-path): New flags to tune speculative
9935 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9936 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9937 msched-in-control-spec, msched-ldc, msched-control-ldc,
9938 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9939 msched-prefer-non-control-spec-insns,
9940 msched-count-spec-in-critical-path): Document new flags.
9942 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9944 * target.h (struct spec_info_def): New opaque declaration.
9945 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9946 speculate_insn, needs_block_p, gen_check,
9947 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9948 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9949 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9950 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9951 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9952 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9954 (TARGET_SCHED): Use new macros.
9955 * rtl.h (copy_DEPS_LIST_list): New prototype.
9956 * sched-int.h (struct sched_info): Change signature of new_ready field,
9957 adjust all initializations. New fields: add_remove_insn,
9958 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9959 region_head_or_leaf_p.
9960 (struct spec_info_def): New structure declaration.
9961 (spec_info_t): New typedef.
9962 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9963 recovery_block, orig_pat.
9964 (glat_start, glat_end): New variables declaraions.
9965 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9967 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9968 DETACH_LIFE_INFO, USE_GLAT.
9969 (enum SPEC_SCHED_FLAGS): New enumeration.
9970 (NOTE_NOTE_BB_P): New macro.
9971 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9972 attach_life_info, debug_spec_status, check_reg_live): New functions.
9973 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9974 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9976 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9977 * ddg.c (get_block_head_tail): Adjust all uses.
9978 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9979 (sms_sched_info): Initialize new fields.
9980 (contributes_to_priority): Removed.
9981 * haifa-sched.c (params.h): New include.
9982 (get_block_head_tail): Adjust all uses.
9983 (ISSUE_POINTS): New macro.
9984 (glat_start, glat_end): New global variables.
9985 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9986 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9987 old_last_basic_block, before_recovery, current_sched_info_var,
9988 rgn_n_insns, luid): New static variables.
9989 (insn_cost1): New function. Move logic from insn_cost to here.
9990 (find_insn_reg_weight1): New function. Move logic from
9991 find_insn_reg_weight to here.
9992 (reemit_notes, move_insn, max_issue): Change signature.
9993 (move_insn1): Removed.
9994 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9995 extend_bb): New static functions to support extension of scheduler's
9997 (generate_recovery_code, process_insn_depend_be_in_spec,
9998 begin_speculative_block, add_to_speculative_block,
9999 init_before_recovery, create_recovery_block, create_check_block_twin,
10000 fix_recovery_deps): New static functions to support
10001 generation of recovery code.
10002 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
10003 restore_bb_notes, move_block_after_check, move_succs): New static
10004 functions to support ebb scheduling.
10005 (init_glat, init_glat1, attach_life_info1, free_glat): New static
10006 functions to support handling of register live information.
10007 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
10008 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
10009 add_jump_dependencies): New static functions.
10010 (check_cfg, has_edge_p, check_sched_flags): New static functions for
10011 consistancy checking.
10012 (debug_spec_status): New function to call from debugger.
10013 (priority): Added code to handle speculation checks.
10014 (rank_for_schedule): Added code to distinguish speculative instructions.
10015 (schedule_insn): Added code to handle speculation checks.
10016 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
10017 Fixed to handle ebbs.
10018 (move_insn): Added code to handle ebb scheduling.
10019 (max_issue): Added code to use ISSUE_POINTS of instructions.
10020 (choose_ready): Added code to choose between speculative and
10021 non-speculative instructions.
10022 (schedule_block): Added code to handle ebb scheduling and scheduling of
10023 speculative instructions.
10024 (sched_init): Initialize new variables.
10025 (sched_finish): Free new variables. Print statistics.
10026 (try_ready): Added code to handle speculative instructions.
10027 * lists.c (copy_DEPS_LIST_list): New function.
10028 * sched-deps.c (extend_dependency_caches): New function. Move logic
10029 from create_dependency_caches to here.
10030 (get_dep_weak, ds_merge): Make global.
10031 * genattr.c (main): Code to output prototype for
10032 dfa_clear_single_insn_cache.
10033 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
10034 (output_dfa_clean_insn_cache_func): Code to output
10035 dfa_clear_single_insn_cache function.
10036 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
10038 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
10040 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
10041 New static variables.
10042 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
10043 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
10045 (ebb_sched_info): Initialize new fields.
10046 (get_block_head_tail): Adjust all uses.
10047 (compute_jump_reg_dependencies): Fixed to use glat_start.
10048 (schedule_ebb): Code to remove unreachable last block.
10049 (schedule_ebbs): Added code to update register live information.
10050 * sched-rgn.c (region_sched_info): Initialize new fields.
10051 (get_block_head_tail): Adjust all uses.
10052 (last_was_jump): Removed. Adjust users.
10053 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
10054 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
10055 Implement new hooks.
10056 (check_dead_notes1): New static function.
10057 (struct region): New fields: dont_calc_deps, has_real_ebb.
10058 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
10059 (BB_TO_BLOCK): Fixed to handle EBBs.
10060 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
10061 (ebb_head): New static variable.
10062 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
10063 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
10065 (compute_dom_prob_ps): New assertion.
10066 (check_live_1, update_live_1): Fixed to work with glat_start instead of
10067 global_live_at_start.
10068 (init_ready_list): New assertions.
10069 (can_schedule_ready_p): Split update code to begin_schedule_ready.
10070 (new_ready): Add support for BEGIN_CONTROL speculation.
10071 (schedule_insns): Fixed code that updates register live information
10073 (schedule_region): Fixed to handle EBBs.
10074 (init_regions): Use extend_regions and check_dead_notes1.
10075 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
10076 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
10077 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
10078 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
10079 TARGET_SCHED_GEN_CHECK,
10080 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
10081 TARGET_SCHED_SET_SCHED_FLAGS): Document.
10082 * doc/invoke.texi (max-sched-insn-conflict-delay,
10083 sched-spec-prob-cutoff): Document.
10085 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10087 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
10088 inter_tick, queue_index.
10089 (struct sched_info): Change signature of init_ready_list field.
10090 Adjust all initializations.
10091 (RESOLVED_DEPS): New access macro.
10092 (ready_add): Remove prototype.
10093 (try_ready): Add prototype.
10094 * sched-rgn.c (init_ready_list): Use try_ready.
10095 (schedule_region): Initialize
10096 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
10097 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
10098 (init_ready_list): Use try_ready.
10099 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
10100 * lists.c (remove_list_elem): Remove `static'.
10101 (remove_free_INSN_LIST_elem): New function.
10102 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
10103 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
10104 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
10106 (readyp): New variable.
10107 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
10108 change_queue_index, resolve_dep): New static functions.
10109 (try_ready): New function. Adjust callers in sched-rgn.c and
10110 sched-ebb.c to use it instead of ready_add.
10111 (clock_var): Move at the begining of file.
10112 (rank_for_schedule): Fix typo.
10113 (queue_insn): Add assertion. Handle QUEUE_INDEX.
10114 (ready_lastpos): Enforce assertion.
10115 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
10116 update all callers.
10117 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
10118 (schedule_insn): Rewrite to use try_ready and resolve_dep.
10119 (queue_to_ready): Use free_INSN_LIST_list.
10120 (early_queue_to_ready): Fix typo.
10121 (schedule_block): Init readyp. Move init_ready_list call after the
10122 initialization of clock_var. Fix error in rejecting insn by
10123 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
10124 that previously corrected INSN_TICKs. Add code for handling
10126 (set_priorities): Fix typo.
10127 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
10128 Clarify comment and code that keeps current_sched_info->next_tail
10131 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10133 * sched-rgn.c (extend_rgns): New static function.
10134 (find_rgns): Use it.
10135 (gather_region_statistics, print_region_statistics): New static
10137 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
10138 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
10140 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
10141 Andrey Belevantsev <abel@ispras.ru>
10143 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
10144 * lists.c (unused_deps_list): New variable.
10145 (free_list): Add assertions to verify the proper distinguishing
10146 between INSN_LISTs and DEPS_LISTs.
10147 (find_list_elem, remove_list_elem, remove_list_node): New static
10149 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
10150 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
10151 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
10152 (alloc_INSN_LIST): Assert that the list we're working on is indeed
10154 (free_INSN_LIST_node): Likewise.
10155 * modulo-sched.c (current_sched_info): Initialize flags field.
10156 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
10157 * rtl.def (DEPS_LIST): Define.
10158 * rtl.h: Declare new functions from lists.c.
10159 * sched-deps.c (spec_dependency_cache): New static variable.
10160 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
10161 (add_dependence): Change return type to void. Move the logic to ...
10162 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
10163 (delete_all_dependences): Add comment about forward_dependency_cache.
10164 Handle spec_dependency_cache. Handle DEPS_LISTs.
10165 (fixup_sched_groups): Clarify the change of priority of output
10166 and anti dependencies.
10167 (sched_analyze_2): Adjust add_dependence calls to create data
10168 speculative dependence.
10169 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10170 Adjust all callers. Handle DEPS_LISTS.
10171 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10172 presence of speculation.
10173 (init_dependency_caches, free_dependency_caches):
10174 Handle spec_dependency_cache.
10175 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10176 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10177 New static functions.
10178 (add_or_update_back_dep, add_or_update_back_forw_dep,
10179 add_back_forw_dep, delete_back_forw_dep): New functions.
10180 * sched-int.h (ds_t, dw_t): New typedefs.
10181 (struct sched_info): Add new field flags.
10182 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10183 Prototype new sched-deps.c functions.
10184 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10185 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10186 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10187 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10188 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10189 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10191 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10193 * sched-rgn.c (current_sched_info): Initialize flags field.
10194 (schedule_insns): Initialize current_sched_info before the sched_init
10196 * sched-ebb.c (current_sched_info): Initialize flags field.
10197 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10198 Call add_or_update_back_dep instead of add_dependence.
10199 Create control speculative dependencies.
10200 (schedule_insns): Initialize current_sched_info before the sched_init
10203 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10205 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10207 (sh_fallback_frame_state): Likewise.
10209 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10211 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10212 Do switch on default_use_cxa_atexit.
10213 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10214 * config/darwin-crt3.o: New.
10215 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10216 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10217 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10219 * config/rs6000/t-darwin: Move crt2.o building to here.
10220 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10221 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10224 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10226 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10227 from '! xxx' to '!xxx' for coding-style conformance.
10228 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10229 (EXTRA_CONSTRAINT): Likewise.
10230 * config/vax/vax.md (four unnamed insns): Likewise.
10232 2006-03-15 Paul Brook <paul@codesourcery.com>
10234 * config/arm/arm.c (minipool_pad): New.
10235 (add_minipool_forward_ref): Include pool alignment padding in address
10237 (push_minipool_fix): Set minipool_pad.
10238 (minipool_pad): Ditto.
10240 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10242 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10243 instead of GET_CODE() == MEM and REG_P() instead of
10245 (print_operand_address): Likewise.
10246 (vax_address_cost): Likewise.
10247 (vax_rtx_costs): Likewise.
10248 (vax_notice_update_cc): Likewise.
10249 (vax_output_int_add): Likewise.
10250 (INDEX_REGISTER_P): Likewise.
10251 (BASE_REGISTER_P): Likewise.
10252 (nonindexed_address_p): Likewise.
10253 (vax_mode_dependent_address_p): Likewise.
10254 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10255 (PRINT_OPERAND): Likewise.
10256 * config/vax/vax.md (ashlsi3): Likewise.
10257 (ashlsi3): Likewise.
10258 (some more unnamed insns): Likewise.
10260 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10262 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10263 iterator-style macro.
10264 (mark_control_dependent_edges_necessary): Update the use of
10265 EXECUTE_IF_CONTROL_DEPENDENT.
10267 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10269 * config/sh/predicates.md (cache_address_operand): Special.
10270 (ua_address_operand): Likewise.
10272 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10274 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10276 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10278 2006-03-15 Andreas Schwab <schwab@suse.de>
10280 * gensupport.c (identify_predicable_attribute): Don't free p_false
10281 when it is still in use.
10283 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10285 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10286 the default setting here.
10288 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10290 * tree-pass.h (pass_cfg): Remove.
10291 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10292 * passes.c (pass_cfg): Don't run it.
10294 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10296 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10297 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10299 (stack_regs_mentioned): Update the uses of
10300 stack_regs_mentioned_data. Don't access the array beyond its
10302 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10303 Don't include gt-reg-stack.h.
10305 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10306 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10308 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10310 PR middle-end/26684
10311 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10314 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10316 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10318 2006-03-14 Richard Guenther <rguenther@suse.de>
10320 PR tree-optimization/26672
10321 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10324 2006-03-14 Richard Guenther <rguenther@suse.de>
10326 PR tree-optimization/26667
10327 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10328 node for the callees. Always allow inlining if it will shrink
10331 2006-03-14 Richard Guenther <rguenther@suse.de>
10333 PR middle-end/26659
10334 * builtins.c (get_pointer_alignment): Prefer alignment
10335 information from decls over that from types.
10337 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10340 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10342 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10344 * config/rs6000/rs6000.opt (mdlmzb): New option.
10345 (msched-prolog, msched-epilog): Use Var not Mask.
10346 * doc/invoke.texi (-mdlmzb): Document.
10347 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10349 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10350 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10352 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10354 PR rtl-optimization/25739
10355 * bt-load.c (augment_live_range): Free tos pointer.
10357 * gensupport.c (identify_predicable_attribute): Free
10359 * gcov.c (create_file_names): Free name pointer.
10361 2006-03-13 Roger Sayle <roger@eyesopen.com>
10363 PR middle-end/26557
10364 * stmt.c (emit_case_nodes): Handle the case where the index is a
10365 CONST_INT, where the comparison mode is specified by the index type.
10367 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10369 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10372 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10374 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10375 (*branch_fp_inverted): Likewise.
10377 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10379 PR middle-end/25989
10380 * omp-low.c (expand_omp_for_generic): Mark istart0
10381 and iend0 as addressable.
10383 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10385 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10387 2006-03-13 Jeff Law <law@redhat.com>
10389 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10390 virtual operands are interesting.
10391 (vrp_visit_stmt): Corresponding changes.
10393 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10395 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10397 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10398 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10399 * config/bfin/crti.S: Use it instead of __PIC__.
10400 * config/bfin/crtn.S: Likewise.
10402 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10403 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10405 Lose 'G' modifier for call operand.
10406 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10407 recognize 'G' modifier.
10409 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10411 PR middle-end/18859
10412 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10413 * stmt.c (expand_case): Likewise.
10415 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10417 PR rtl-optimization/26254
10418 * loop-invariant.c (seq_insns_valid_p): New function.
10419 (move_invariant_reg): Only emit new code if it is valid.
10421 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10423 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10425 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10426 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10427 (commit_one_edge_insertion): Do not look for loop notes.
10429 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10431 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10432 flag_test_coverage out of loop.
10434 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10436 * final.c (shorten_branches): Remove outdated comment, and turn
10437 the if branch that guards it to continue.
10439 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10441 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10442 * cfgloop.h (struct loop): Remove unused fields.
10444 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10446 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10447 (-dL, -fdump-rtl-loop2): Update the dump file names
10449 * doc/invoke.texi: Update dump file names.
10451 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10453 * predict.c (estimate_probability): Remove.
10454 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10455 * basic-block.h (estimate_probability): Remove prototype.
10456 * passes.c (finish_optimization_passes): Dump branch prediction or
10457 profiling heuristics to the .profile tree dump.
10458 (init_optimization_passes): Unqueue pass_branch_prob.
10460 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10462 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10464 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10465 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10467 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10469 * function.h (frame_offset_overflow): Declare.
10470 * function.c (frame_offset_overflow): New function.
10471 (assign_stack_local_1): Call it to detect that the offset overflows.
10472 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10474 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10476 * config/sh/sh.c: Include alloc-pool.h.
10477 (label_ref_list_pool): New alloc pool.
10478 (label_ref_list_t): New type for lists of labels.
10479 (struct pool_node): Make wend a label_ref_list_t.
10480 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10482 (dump_table): Likewise.
10483 (sh_reorg): Set up the alloc pool before using add_constant and
10484 dump_table, and destroy it when finishing.
10486 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10488 * config/mips/mips.c: Remove redundant comment.
10490 2006-03-10 Jason Merrill <jason@redhat.com>
10493 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10494 the target was declared 'register'.
10496 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10498 * genpreds.c (write_insn_constraint_len): Change definition of
10499 insn_constraint_len to return size_t to match the declaration.
10501 2006-03-10 DJ Delorie <dj@redhat.com>
10503 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10505 (m32c_expand_insv): Fix test for an AND mask.
10507 2006-03-10 Richard Guenther <rguenther@suse.de>
10509 PR middle-end/26565
10510 * builtins.c (get_pointer_alignment): Handle component
10511 references for field alignment.
10513 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10515 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10516 when building with libgloss.
10517 (sh*elf): Implement --without-fp option.
10518 (sh64-superh-linux*): Don't multilib.
10520 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10522 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10524 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10526 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10527 Set it when one of the replacement functions returned true.
10528 Return TODO_cleanup_cfg if cfgchanged is true.
10529 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10531 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10533 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10534 instead of gen_lowpart.
10536 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10538 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10540 (mips_output_order_conditional_branch): Declare.
10541 * config/mips/mips.h (MIPS_BRANCH): New macro.
10542 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10543 for the comparison. Use gen_condjump.
10544 (mips_output_conditional_branch): Rework interface to take the
10545 asm templates for a direct branch and the inverse of a direct branch.
10546 (mips_output_order_conditional_branch): New function.
10547 (mips_builtin_branch_and_move): New function.
10548 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10549 branch condition. Use gen_single_cc as the condition for
10550 __builtin_mips_upper_* or __builtin_mips_lower_*.
10551 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10552 Use VOIDmode for the branch condition.
10553 * config/mips/predicates.md (order_operator): New predicate.
10554 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10555 (branch_fp): Rename to...
10556 (*branch_fp): ...this. Remove mode from comparison operator.
10557 Use new mips_output_conditional_branch interface.
10558 (branch_fp_inverted): Rename to...
10559 (*branch_fp_inverted): ...this and update as for *branch_fp.
10560 (*branch_zero<mode>): Rename to...
10561 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10562 Use mips_output_order_conditional_branch. Only accept ordered
10564 (*branch_zero<mode>_inverted): Rename to...
10565 (*branch_order<mode>_inverted): ...this and update as for
10566 *branch_order<mode>.
10567 (*branch_equality<mode>): Accept zero as the second operand to
10568 the equality operator. Use the new mips_output_conditional_branch
10570 (*branch_equality<mode>_inverted): Likewise.
10571 (condjump): New expander.
10572 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10574 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10575 (bc1any2t, bc1any2f): Likewise.
10576 (single_cc): New expander.
10577 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10579 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10581 * doc/md.texi: Update documentation of MIPS constraints.
10582 * config/mips/constraints.md: New file.
10583 * config/mips/mips.md: Include it.
10584 * config/mips/mips.c (mips_char_to_class): Delete.
10585 (override_options): Don't initialize mips_char_to_class.
10586 * config/mips/mips.h (mips_char_to_class): Delete.
10587 (REG_CLASS_FROM_LETTER): Delete.
10588 (CONST_OK_FOR_LETTER_P): Delete.
10589 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10590 (EXTRA_CONSTRAINT_Y): Delete.
10591 (EXTRA_CONSTRAINT_STR): Delete.
10592 (CONSTRAINT_LEN): Delete.
10593 (EXTRA_MEMORY_CONSTRAINT): Delete.
10595 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10597 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10598 original fn's eh regions.
10600 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10602 * fold-const.c (build_range_check): Make sure to use a valid type to
10603 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10606 (range_predecessor): New static function.
10607 (range_successor): Likewise.
10608 (merge_ranges): Use them to compute predecessors and successors of
10611 2006-03-09 Roger Sayle <roger@eyesopen.com>
10613 PR middle-end/26561
10614 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10615 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10617 2006-03-08 DJ Delorie <dj@redhat.com>
10619 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10620 (addpsi3): Expand to include memory operands. Remove
10621 reload-specific splits.
10622 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10623 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10624 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10625 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10626 (shift1_qi, shift1_hi, insv): New.
10627 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10628 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10629 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10631 * config/m32c/m32c-protos.h: Update as needed.
10632 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10633 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10634 Fail for unrecognized R* constraints.
10635 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10636 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10637 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10639 (m32c_init_libfuncs): New.
10640 (m32c_legitimate_address_p): Add debug wrapper.
10641 (m32c_rtx_costs): New.
10642 (m32c_address_cost): New.
10643 (conversions): Add 'B' prefix.
10644 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10645 operands, or word regnames for QI operands. 'B' prints bit
10647 (m32c_expand_setmemhi): New.
10648 (m32c_expand_movmemhi): New.
10649 (m32c_expand_movstr): New.
10650 (m32c_expand_cmpstr): New.
10651 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10652 (m32c_expand_neg_mulpsi3): Handle non-ints.
10653 (m32c_cmp_flg_0): New.
10654 (m32c_expand_movcc): New.
10655 (m32c_expand_insv): New.
10656 (m32c_scc_pattern): New.
10657 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10658 a0/a1 out of SIregs.
10659 (STORE_FLAG_VALUE): New.
10660 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10663 * config/m32c/mov.md: Make constraints more liberal.
10664 (zero_extendqihi2): Optimize r0/r1 case.
10665 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10666 * config/m32c/predicates.md (m32c_any_operand): New.
10667 (m32c_nonimmediate_operand): New.
10668 (m32c_hl_operand): New.
10669 (m32c_r3_operand): New.
10672 (memsym_operand): New.
10673 (memimmed_operand): New.
10674 (a_qi_operand): New.
10675 (m32c_eqne_operator): New.
10676 (m32c_1bit8_operand): New.
10677 (m32c_1bit16_operand): New.
10678 (m32c_1mask8_operand): New.
10679 (m32c_1mask16_operand): New.
10680 * config/m32c/blkmov.md: New file.
10681 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10683 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10685 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10686 unsigned to fix signed/unsigned comparison issue in
10687 DWARF2_FRAME_REG_OUT.
10688 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10689 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10691 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10692 of ptr into the ENABLE_CHECKING section.
10694 2006-03-08 Jeff Law <law@redhat.com>
10696 * tree-vrp.c (infer_value_range): Only count pointer uses
10697 and dereferences if -fdelete-null-pointer-checks is enabled.
10699 * tree-vrp.c (find_assert_locations): Infer value ranges for
10700 single use pointers, but do not create ASSERT_EXPRs for them.
10701 When a non-null range is inferred for a pointer, backwards
10702 propagate that range to other equivalent pointers through the
10705 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10708 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10709 language hook targets.
10710 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10711 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10712 if language hook targets were missing.
10714 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10716 * tree-ssa-opfinalize.h: Removed.
10717 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10719 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10720 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10721 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10722 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10723 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10724 finalize_ssa_v_must_def_ops): New.
10726 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10728 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10729 block as parameter.
10731 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10733 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10735 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10736 addresses with offsets; reorganize.
10738 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10739 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10740 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10742 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10745 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10747 2006-03-08 Ben Elliston <bje@au.ibm.com>
10749 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10751 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10754 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10757 2006-03-07 Richard Guenther <rguenther@suse.de>
10759 PR tree-optimization/26587
10760 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10762 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10764 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10766 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10768 * hooks.c (hook_bool_mode_rtx_true): New function.
10769 * hooks.h (hook_bool_mode_rtx_true): Declare.
10770 * toplev.c (compile_file): Call output_shared_constant_pool.
10771 * varasm.c (shared_constant_pool): New variable.
10772 (assemble_start_function, assemble_end_function): Remove arguments
10773 from call to output_constant_pool.
10774 (create_constant_pool): New function, split out from...
10775 (init_varasm_status): ...here.
10776 (force_const_mem): Choose between the shared and per-function constant
10777 pools. Set current_function_uses_const_pool when reusing old entries
10778 as well as when creating new ones.
10779 (mark_constant): Ignore data argument.
10780 (mark_constants): Remove pool argument.
10781 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10782 to decide whether the function uses a constant pool.
10783 (output_constant_pool_contents): New function, split out from...
10784 (output_constant_pool): ...here.
10785 (output_shared_constant_pool): New function.
10786 (init_varasm_once): Initialize shared_constant_pool.
10787 * output.h (output_constant_pool): Delete.
10788 (output_shared_constant_pool): Declare.
10789 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10790 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10792 2006-03-06 Nick Clifton <nickc@redhat.com>
10794 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10795 flag_strength_reduce.
10797 2006-03-06 Ben Elliston <bje@au.ibm.com>
10799 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10800 x86_64-*-linux* configurations.
10802 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10803 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10805 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10807 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10809 * basic-block.h: Remove the extern for
10810 rediscover_loops_after_threading.
10812 * cfgloop.c (cancel_loop): Make it static.
10813 * cfgloop.h: Remove the prototype for cancel_loop.
10815 * flow.c (recompute_reg_usage): Make it static.
10816 * rtl.h: Remove the prototype for recompute_reg_usage.
10818 * function.c (use_return_register): Make it static.
10819 * function.h: Remove the prototype.
10821 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10823 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10825 * recog.h: Remove the prototype for
10826 validate_change_maybe_volatile.
10828 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10830 * rtlanal.c (replace_reg): Remove.
10831 * rtl.h: Remove the prototype for replace_reg.
10833 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10835 * regclass.c (reg_scan_update): Remove.
10836 (reg_scan_mark_refs): Remove the last argument.
10837 * rtl.h: Remove the prototype for reg_scan_update.
10839 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10841 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10842 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10843 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10844 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10845 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10846 loop-invariant.c, omp-low.c, opts.c, passes.c,
10847 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10848 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10849 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10850 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10851 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10852 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10854 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10856 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10857 * dwarf2out.h: Remove the prototype for
10858 dwarf2out_add_library_unit_info.
10860 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10862 * tree.c (add_var_to_bind_expr): Remove.
10863 * tree.h: Remove the prototype for add_var_to_bind_expr.
10865 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10867 * regclass.c (n_non_fixed_regs): Remove.
10868 (init_reg_sets_1, globalize_reg): Remove all uses of
10870 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10872 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10874 * rtlanal.c (insns_safe_to_move_p): Remove.
10875 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10877 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10879 * expmed.c (expand_mult_add): Remove.
10880 * expr.h: Remove the prototype for expand_mult_add.
10882 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10884 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10885 and REG_SAVED_VAL_EXP constants.
10886 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10887 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10888 Handle regs stored by value.
10889 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10890 (execute_cfa_program): Handle DW_CFA_val_offset,
10891 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10892 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10893 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10894 (uw_install_context_1): Handle target regs stored by value.
10896 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10898 * tree-sra.c (tree_sra): Return todoflags;
10899 (generate_one_element): Set TODO_update_smt_usage if needed.
10900 (pass_sra): Remove TODO_update_smt_usage.
10901 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10903 (tree_ssa_forward_propagate_single_use_vars): Return
10904 TODO_update_smt_usage if we need to update SMT usage.
10905 (pass_forwprop): Remove TODO_update_smt_usage.
10907 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10909 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10910 (correct_use_link): Remove reference to get_stmt_operands.
10911 (update_stmt_operands): Likewise.
10912 (get_modify_expr_operands): New function factored out of
10913 parse_ssa_operands and get_expr_operands.
10914 Try to create V_MUST_DEFs for LHS by default.
10915 (get_expr_operands) <case MODIFY_EXPR>: Call
10916 get_modify_expr_operands.
10917 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10918 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10919 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10920 get_modify_expr_operands.
10922 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10924 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10925 * tree-flow.h: Remove the prototype for
10926 referenced_var_lookup_if_exists.
10928 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10930 PR rtl-optimization/26345
10932 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10934 2006-03-03 Roger Sayle <roger@eyesopen.com>
10936 PR tree-optimization/26524
10937 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10938 fold_convert to create a constant of the appropriate type.
10940 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10942 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10943 SYMBOL_REF_IN_BLOCK_P.
10944 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10945 of SYMBOL_FLAG_IN_BLOCK.
10946 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10947 instead of SYMBOL_REF_IN_BLOCK_P.
10948 * explow.c (use_anchored_address): Likewise.
10949 * rtl.c (rtx_size): Likewise.
10950 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10951 instead of SYMBOL_FLAG_IN_BLOCK.
10952 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10953 SYMBOL_REF_IN_BLOCK_P.
10954 (assemble_variable): Likewise.
10955 (output_constant_def_contents): Likewise.
10956 (output_constant_pool): Likewise.
10957 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10958 instead of SYMBOL_FLAG_IN_BLOCK.
10959 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10960 SYMBOL_REF_IN_BLOCK_P.
10961 (SYMBOL_REF_BLOCK): Likewise.
10962 (SYMBOL_REF_OFFSET): Likewise.
10963 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10964 SYMBOL_REF_IN_BLOCK_P.
10965 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10966 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10967 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10968 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10970 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10972 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10974 2006-03-02 Roger Sayle <roger@eyesopen.com>
10976 * simplify-rtx.c (simplify_unary_operation): When simplifying
10977 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10978 that we perform the right shift in the appropriate mode, and
10979 then extend or truncate the result to requested mode.
10981 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10983 * gengtype.c (main): Handle double_int type.
10984 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10985 * double-int.c: New file.
10986 * double-int.h: New file.
10987 * system.h: Include doubleint.h.
10988 * Makefile.in (SYSTEM_H): Include double-int.h.
10989 (double-int.o): Add.
10991 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10994 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10997 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10999 * tree-vrp.c (remove_range_assertions): Do not update statements
11002 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11004 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
11006 * gcse.c (rest_of_handle_gcse): Ditto.
11007 * except.c (gate_handle_eh): Ditto.
11008 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
11009 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
11011 2006-03-02 Eric Christopher <echristo@apple.com>
11013 * config/i386/i386.c (machopic_output_stub): Add indirection to
11016 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
11020 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
11022 Sun Niagara specific optimizations.
11023 * config.gcc: Recognize niagara as target.
11024 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
11025 (TARGET_CPU_niagara): Define.
11026 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
11027 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
11028 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11029 (ASM_CPU_SPEC): Likewise.
11030 (PROCESSOR_NIAGARA): New enum entry.
11031 (REGISTER_MOVE_COST): Handle Niagara.
11032 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
11033 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
11034 (sparc_override_options): Recognize "niagara", set appropriate
11035 default MASK_* values for it, and align functions to 32-bytes
11036 by default just like ULTRASPARC/ULTRASPARC3.
11037 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
11038 (sparc64_initialize_trampoline): Likewise.
11039 (sparc_use_sched_lookahead): Use zero for niagara.
11040 (sparc_issue_rate): Use one for niagara.
11041 * config/sparc/niagara.md: New file.
11042 * config/sparc/sparc.md: Include it.
11043 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
11044 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
11045 when default cpu is niagara.
11046 (CPP_CPU_SPEC): Handle -mcpu=niagara.
11047 (ASM_CPU_SPEC): Likewise.
11048 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
11049 when default cpu is niagara.
11050 (ASM_CPU_SPEC): Handle -mcpu=niagara.
11051 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
11052 just like v9/ultrasparc/ultrasparc3.
11053 * doc/invoke.texi: Add documentation for "niagara" and improve
11054 existing documentation for ultrasparc variants.
11056 2006-03-02 Diego Novillo <dnovillo@redhat.com>
11058 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
11060 2006-03-02 Richard Sandiford <richard@codesourcery.com>
11062 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
11063 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
11064 and say that only one is needed.
11065 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
11066 * target.h (have_switchable_bss_sections): New hook.
11067 * explow.c (use_anchored_address): Check that the symbol is in a block.
11068 * varasm.c (tls_comm_section, comm_section, lcomm_section)
11069 (bss_noswitch_section): New variables.
11070 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
11071 (get_noswitch_section): New function.
11072 (get_block_for_section): Allow SECT to be null.
11073 (unlikely_text_section_p): Use SECTION_STYLE.
11074 (bss_initializer_p): New function.
11075 (get_variable_section): Move earlier in file. Take a new argument,
11076 prefer_noswitch_p. Move bss checks from assemble_variable to here.
11077 Return one of the new *_sections in such cases.
11078 (get_block_for_decl): New function, extracting some logic from
11079 use_blocks_for_decl_p.
11080 (change_symbol_section): Remove in favor of...
11081 (change_symbol_block): ...this new function.
11082 (use_blocks_for_decl_p): Remove checks now performed by
11083 get_block_for_decl.
11084 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
11085 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
11086 (emit_local, emit_bss, emit_common): ...these new functions.
11087 Return true if the alignment was honored.
11088 (emit_tls_common): New function.
11089 (asm_emit_uninitialised): Delete.
11090 (assemble_variable_noswitch): New function, split out from...
11091 (assemble_variable): ...here. Don't make decisions about common
11092 variables here. Globalize all public decls that go into non-common
11093 sections. Check whether SYMBOL_REF_BLOCK is null.
11094 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
11095 (output_constant_pool): Likewise.
11096 (init_varasm_once): Initialize the new section variables.
11097 (have_global_bss_p): New function.
11098 (categorize_decl_for_section): Use bss_initializer_p.
11099 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
11100 (place_block_symbol): Assert that the symbol must be in a block.
11101 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
11102 (TARGET_INITIALIZER): Include it.
11103 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
11104 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
11105 (SECTION_MACH_DEP): Bump by two.
11106 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
11107 (unnamed_section): Mention SECTION_UNNAMED in comment.
11108 (named_section): Likewise SECTION_NAMED.
11109 (noswitch_section_callback): New type.
11110 (noswitch_section): New structure.
11111 (section): Add a noswitch_section alternative.
11112 (SECTION_STYLE): New macro.
11113 (tls_comm_section, comm_section, lcomm_section): Declare.
11114 (bss_noswitch_section, have_global_bss_p): Declare.
11115 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11116 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11118 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
11119 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
11122 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
11124 * tree-vrp.c (execute_vrp): Return value.
11125 * regrename.c (rest_of_handle_regrename): Ditto.
11126 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
11127 * tree-complex.c (tree_lower_complex): Ditto.
11128 (tree_lower_complex_O0): Ditto.
11129 * tracer.c (rest_of_handle_tracer): Ditto.
11130 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
11131 * postreload.c (rest_of_handle_postreload): Ditto.
11132 * tree-tailcall.c (execute_tail_recursion): Ditto.
11133 (execute_tail_calls): Ditto.
11134 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11135 * tree.h (init_function_for_compilation): Ditto.
11136 * ipa-cp.c (ipcp_driver): Ditto.
11137 * tree-scalar-evolution.c (scev_const_prop): Ditto.
11138 * tree-scalar-evolution.h (scev_const_prop): Ditto.
11139 * final.c (compute_alignments): Ditto.
11140 (rest_of_handle_final): Ditto.
11141 (rest_of_handle_shorten_branches): Ditto.
11142 (rest_of_clean_state): Ditto.
11143 * omp-low.c (execute_expand_omp): Ditto.
11144 (execute_lower_omp): Ditto.
11145 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
11146 * ipa-reference.c (static_execute): Ditto.
11147 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
11148 * reorg.c (rest_of_handle_delay_slots): Ditto.
11149 (rest_of_handle_machine_reorg): Ditto.
11150 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
11151 * flow.c (recompute_reg_usage): Ditto.
11152 (rest_of_handle_remove_death_notes): Ditto.
11153 (rest_of_handle_life): Ditto.
11154 (rest_of_handle_flow2): Ditto.
11155 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
11156 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
11157 (do_ssa_store_ccp): Ditto.
11158 (execute_fold_all_builtins): Ditto.
11159 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
11160 * modulo-sched.c (rest_of_handle_sms): Ditto.
11161 * ipa-pure-const.c (static_execute): Ditto.
11162 * cse.c (rest_of_handle_cse): Ditto.
11163 (rest_of_handle_cse2): Ditto.
11164 * web.c (rest_of_handle_web): Ditto.
11165 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
11166 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11167 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11168 * tree-nrv.c (tree_nrv): Ditto.
11169 (execute_return_slot_opt): Ditto.
11170 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11171 (create_structure_vars): Ditto.
11172 * loop-init.c (rtl_loop_init): Ditto.
11173 (rtl_loop_done): Ditto.
11174 (rtl_move_loop_invariants): Ditto.
11175 (rtl_unswitch): Ditto.
11176 (rtl_unroll_and_peel_loops): Ditto.
11177 (rtl_doloop): Ditto.
11178 * gimple-low.c (lower_function_body): Ditto.
11179 (mark_used_blocks): Ditto.
11180 * tree-ssa-sink.c (execute_sink_code): Ditto.
11181 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11182 (cgraph_early_inlining): Ditto.
11183 * global.c (rest_of_handle_global_alloc): Ditto.
11184 * jump.c (cleanup_barriers): Ditto.
11185 (purge_line_number_notes): Ditto.
11186 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11187 (rest_of_handle_if_after_reload): Ditto.
11188 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11189 (tree_ssa_loop_im): Ditto.
11190 (tree_ssa_loop_unswitch): Ditto.
11191 (tree_vectorize): Ditto.
11192 (tree_linear_transform): Ditto.
11193 (tree_ssa_loop_ivcanon): Ditto.
11194 (tree_ssa_empty_loop): Ditto.
11195 (tree_ssa_loop_bounds): Ditto.
11196 (tree_complete_unroll): Ditto.
11197 (tree_ssa_loop_prefetch): Ditto.
11198 (tree_ssa_loop_ivopts): Ditto.
11199 (tree_ssa_loop_done): Ditto.
11200 * predict.c (tree_estimate_probability): Ditto.
11201 * recog.c (split_all_insns_noflow): Ditto.
11202 (rest_of_handle_peephole2): Ditto.
11203 (rest_of_handle_split_all_insns): Ditto.
11204 * tree-eh.c (lower_eh_constructs): Ditto.
11205 * regmove.c (rest_of_handle_regmove): Ditto.
11206 (rest_of_handle_stack_adjustments): Ditto.
11207 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11208 * function.c (instantiate_virtual_regs): Ditto.
11209 (init_function_for_compilation): Ditto.
11210 (rest_of_handle_check_leaf_regs): Ditto.
11211 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11212 (rest_of_handle_gcse): Ditto.
11213 * ipa-type-escape.c (type_escape_execute): Ditto.
11214 * alias.c (rest_of_handle_cfg): Ditto.
11215 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11216 * profile.c (rest_of_handle_branch_prob): Ditto.
11217 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11218 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11219 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11220 * tree-dfa.c (find_referenced_vars): Ditto.
11221 * except.c (set_nothrow_function_flags): Ditto.
11222 (convert_to_eh_region_ranges): Ditto.
11223 (rest_of_handle_eh): Ditto.
11224 * emit-rtl.c (unshare_all_rtl): Ditto.
11225 (remove_unnecessary_notes): Ditto.
11226 * except.h (set_nothrow_function_flags): Ditto.
11227 (convert_to_eh_region_ranges): Ditto.
11228 * cfgexpand.c (tree_expand_cfg): Ditto.
11229 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11230 * tree-ssa-pre.c (do_pre): Ditto.
11231 (execute_fre): Ditto.
11232 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11233 (rest_of_handle_jump2): Ditto.
11234 * tree-sra.c (tree_sra): Ditto.
11235 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11236 (execute_mudflap_function_decls): Ditto.
11237 * tree-ssa-copy.c (do_copy_prop): Ditto.
11238 (do_store_copy_prop): Ditto.
11239 * ipa-prop.h (ipcp_driver): Ditto.
11240 * cfglayout.c (insn_locators_initialize): Ditto.
11241 * tree-ssa-forwprop.c
11242 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11243 * cfglayout.h (insn_locators_initialize): Ditto.
11244 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11245 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11246 (execute_late_warn_uninitialized): Ditto.
11247 * rtl.h (cleanup_barriers): Ditto.
11248 (split_all_insns_noflow): Ditto.
11249 (purge_line_number_notes): Ditto.
11250 (unshare_all_rtl): Ditto.
11251 (remove_unnecessary_notes): Ditto.
11252 (recompute_reg_usage): Ditto.
11253 (variable_tracking_main): Ditto.
11254 * integrate.c (emit_initial_value_sets): Ditto.
11255 * integrate.h (emit_initial_value_sets): Ditto.
11256 * tree-optimize.c (execute_free_datastructures): Ditto
11257 (execute_free_cfg_annotations): Ditto.
11258 (execute_fixup_cfg): Ditto.
11259 (execute_cleanup_cfg_pre_ipa): Ditto.
11260 (execute_cleanup_cfg_post_optimizing): Ditto.
11261 (execute_init_datastructures): Ditto.
11262 * tree-object-size.c (compute_object_sizes): Ditto.
11263 * combine.c (rest_of_handle_combine): Ditto.
11264 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11265 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11266 (rest_of_handle_reorder_blocks): Ditto.
11267 (rest_of_handle_partition_blocks): Ditto.
11268 * var-tracking.c (variable_tracking_main): Ditto.
11269 * tree-profile.c (tree_profiling): Ditto.
11270 * tree-vect-generic.c (expand_vector_operations): Ditto.
11271 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11272 * sched-rgn.c (rest_of_handle_sched): Ditto.
11273 (rest_of_handle_sched2): Ditto.
11274 * basic-block.h (free_bb_insn): Ditto.
11275 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11276 * tree-cfg.c (execute_build_cfg): Ditto.
11277 (remove_useless_stmts): Ditto.
11278 (split_critical_edges): Ditto.
11279 (execute_warn_function_return): Ditto.
11280 (execute_warn_function_noreturn): Ditto.
11281 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11282 * cfgrtl.c (free_bb_for_insn): Ditto.
11283 * passes.c (execute_one_pass): Run additional
11284 todos returned by execute function.
11285 * tree-pass.h (struct tree_opt_pass): Make execute
11288 2006-03-02 Richard Guenther <rguenther@suse.de>
11290 * tree-ssa-alias.c (find_used_portions): Consider taking
11291 the address as making the variable not write-only.
11293 2006-03-02 Nick Clifton <nickc@redhat.com>
11295 * config.gcc (default_use_cxa_atexit): Extend the description of
11296 this configure variable. Set its default value to "yes" for
11297 Linux, NetBSD and ELF targets on the assumption that they will
11298 use C libraries with the __cxa_atexit function.
11300 2006-03-02 Ben Elliston <bje@au.ibm.com>
11302 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11303 parameter as unused to suppress a build warning.
11305 2006-03-02 Ben Elliston <bje@au.ibm.com>
11307 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11310 2006-03-01 Roger Sayle <roger@eyesopen.com>
11313 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11314 declared name, the weak reference name, and the typeof name.
11315 (__gthrw): Avoid expanding the declared name suffix.
11316 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11318 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11320 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11322 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11323 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11324 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11325 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11326 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11327 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11328 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11329 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11330 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11331 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11332 (DW_END_default, DW_END_big, DW_END_little): New.
11333 (DW_END_lo_user, DW_END_hi_user): Define.
11334 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11335 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11336 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11339 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11341 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11343 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11345 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11347 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11349 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11350 to 'symbol_mem_tag'.
11352 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11355 2006-03-01 Roger Sayle <roger@eyesopen.com>
11357 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11359 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11362 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11363 MACHO_DYNAMIC_NO_PIC_P.
11364 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11366 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11369 * config/darwin-protos.h (darwin_asm_output_anchor):
11371 * config/darwin-sections.def (cstring_section):
11372 Add SECTION_MERGE to the flags.
11373 (literal4_section): Likewise.
11374 (literal8_section): Likewise.
11375 (objc_selector_refs_section): Likewise.
11376 (objc_cls_refs_section): Likewise.
11377 * config/darwin.c (darwin_asm_output_anchor): New
11379 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11381 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11383 Fix PR tree-optimization/26443
11384 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11385 to todo and PROP_tmt_usage to properties_destroyed.
11386 * tree-ssa-ccp.c (pass_ccp): Ditto.
11387 (pass_store_ccp): Ditto.
11388 * tree-ssa-dom.c (pass_dominator): Ditto.
11390 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11392 * tree-ssa-operands.c: Cleanup whitespace.
11393 (get_asm_expr_operands): Move before first invocation.
11394 (get_indirect_ref_operands): Likewise.
11395 (get_tmr_operands): Likewise.
11396 (get_call_expr_operands): Likewise.
11397 (append_def): Likewise.
11398 (append_use): Likewise.
11399 (append_v_may_def): Likewise.
11400 (append_v_must_def): Likewise.
11401 (add_call_clobber_ops): Likewise.
11402 (add_call_read_ops): Likewise.
11403 (add_stmt_operand): Likewise.
11404 (add_virtual_operand): Likewise.
11405 (build_ssa_operands): Likewise.
11407 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11409 PR middle-end/26022
11411 PR middle-end/24437
11412 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11413 with a call expr to ...
11414 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11416 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11418 * tree-vrp.c (extract_range_from_assert): Remove special
11419 handling for types with super-types.
11421 2006-03-01 Ben Elliston <bje@au.ibm.com>
11423 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11424 and powerpc64-*-linux* configurations.
11425 * config/t-dfprules: New file.
11427 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11428 Compile dfp-bit.c from the source directory using -DWIDTH and
11429 $DFP_CFLAGS to control the compilation of that file, rather than
11430 generating width-specific versions in the build directory.
11431 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11432 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11434 2006-02-28 Zack Weinberg <zackw@panix.com>
11436 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11439 2006-02-28 Eric Christopher <echristo@apple.com>
11441 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11442 Set up IN_LIBGCC definition of TARGET_64BIT.
11443 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11445 2006-02-28 Roger Sayle <roger@eyesopen.com>
11447 PR middle-end/14752
11448 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11449 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11450 cases via the construction of "expr != 0".
11452 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11454 * alias.c (alias_invariant, alias_invariant_size): Remove.
11455 (record_base_value): Remove.
11456 (memrefs_conflict_p): Don't look at alias_invariant.
11457 (end_alias_analysis): Don't free it.
11458 * alias.h (record_base_value): Remove prototype.
11460 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11461 Adam Nemet <anemet@caviumnetworks.com>
11463 * rtl.h (truncated_to_mode): Declare it.
11464 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11465 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11466 (RTL_HOOKS_INITIALIZER): Include it.
11467 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11468 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11469 reg_truncated_to_mode.
11470 * rtlanal.c (truncated_to_mode): Define it.
11471 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11473 2006-02-28 Jeff Law <law@redhat.com>
11475 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11476 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11477 the range allowed by TYPE_PRECISION.
11479 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11481 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11483 PR tree-optimization/26419
11484 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11487 2006-02-27 Zack Weinberg <zackw@panix.com>
11489 * doc/md.texi: Fix typo in previous change.
11491 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11495 2006-02-27 Zack Weinberg <zackw@panix.com>
11497 * rtl.def (define_constraint, define_register_constraint)
11498 (define_memory_constraint, define_address_constraint): New MD forms.
11499 * gensupport.c (process_rtx): Put define_constraint etc on the
11501 * genpreds.c (process_define_predicate): Adjust comment. Validate
11502 the name, and call validate_exp to validate the expression.
11503 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11504 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11505 all callers changed.
11506 (validate_exp, needs_variable, struct constraint_data)
11507 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11508 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11509 (const_dbl_constraints, constraint_max_namelen)
11510 (have_register_constraints, have_memory_constraints)
11511 (have_address_constraints, have_address_constraints)
11512 (have_extra_constraints, have_const_int_constraints)
11513 (have_const_dbl_constraints, mangle, add_constraint)
11514 (process_define_constraint, process_define_register_constraint)
11515 (write_enum_constraint_num, write_lookup_constraint)
11516 (write_insn_constraint_len, write_regclass_for_constraint)
11517 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11518 (write_insn_extra_memory_constraint)
11519 (write_insn_extra_address_constraint)
11520 (write_satisfies_constraint_fns): New.
11521 (write_tm_preds_h): If we have new-style constraint definitions,
11522 prototype the functions generated from them, and define the
11523 old constraint interface (still used by generic code) in terms of
11525 (write_insn_preds_c): If we have new-style constraint definitions,
11526 generate all relevant functions from those definitions.
11527 (main): Handle define_constraint etc.
11528 * genoutput.c (struct constraint_data, indep_constraints)
11529 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11530 (mdep_constraint_len): New data structures and functions, defined
11531 #ifdef USE_MD_CONSTRAINTS.
11532 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11533 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11534 use new logic to validate operand constraints against constraint
11536 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11538 * defaults.h: If none of the old-style constraint macros are
11539 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11540 old-style macros; and poison REG_CLASS_FROM_LETTER,
11541 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11543 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11544 * doc/md.texi: Document new constraint-definition mechanism and the
11545 C interface it provides. Remove references to old mechanism
11546 elsewhere in the document.
11547 (Machine Constraints): Use pathnames relative to gcc directory,
11548 i.e. config/ARCH/FILE. Change i386 section to refer to
11549 config/i386/predicates.md; update that section to match docstrings.
11550 * doc/tm.texi: Move all documentation of the old constraint-
11551 definition macros to their own section, clearly mark as obsolete.
11553 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11554 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11556 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11557 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11558 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11559 constraint strings.
11560 (splits and peepholes): Use satisfies_constraint_*.
11561 * config/i386/i386.c (memory_address_length)
11562 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11564 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11566 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11567 scalar operation to be put back into the loop.
11569 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11572 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11573 (extract_cie_info): Handle S flag in augmentation string.
11574 (execute_cfa_program): If context->signal_frame, execute also
11575 fs->pc == context->ra instructions.
11576 (uw_frame_state_for): If context->signal_frame, don't subtract one
11577 from context->ra to find FDE.
11578 (uw_update_context_1): Set context->signal_frame to
11580 (_Unwind_GetIPInfo): New function.
11581 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11582 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11584 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11585 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11586 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11587 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11588 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11589 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11590 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11591 x86_64_fallback_frame_state): Set fs->signal_frame.
11592 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11593 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11594 (frob_update_context): Likewise. Workaround missing S flag in
11595 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11596 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11597 Remove the psw_addr + 1 hack.
11599 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11601 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11602 with aggregates here.
11603 (find_func_aliases): Remove code for &<aggregate> from here.
11605 2006-02-26 Roger Sayle <roger@eyesopen.com>
11607 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11608 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11609 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11610 as (X & C) ne/eq 0.
11612 2006-02-26 Roger Sayle <roger@eyesopen.com>
11614 PR middle-end/19983
11615 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11617 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11619 * opts.c (decode_options): Do not handle flag_strength_reduce.
11620 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11621 and OPT_fstrength_reduce.
11622 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11623 flag_prefetch_loop_arrays for being nonzero.
11624 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11626 (fprefetch-loop-arrays-rtl): Removed.
11627 (flag_prefetch_loop_arrays): Do not specify the value.
11629 * doc/passes.texi: Update documentation of loop optimizer
11631 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11632 -frerun-loop-opt): Remove.
11634 2006-02-26 Richard Guenther <rguenther@suse.de>
11636 PR tree-optimization/26421
11637 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11638 in function calls that are ADDR_EXPRs as using the whole structure.
11640 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11642 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11643 * tree-pass.h (pass_loop_optimize): Remove.
11644 * passes.c (pass_loop_optimize): Never run it.
11645 * toplev.c (backend_init): Don't call init_loop.
11646 * opts.c (flag_loop_optimize_set): Remove.
11647 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11648 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11649 the old RTL loop optimizer when profiling enabled.
11650 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11651 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11652 pre-headers for the sake of the old RTL loop optimizer.
11653 * Makefile.in: Remove all references to loop.o.
11655 * doc/invoke.texi: Remove all references to -floop-optimize
11656 and -frerun-loop-opt.
11658 2006-02-26 Zack Weinberg <zackw@panix.com>
11660 * doc/md.texi (Machine Constraints): Refer to all files with paths
11661 relative to gcc directory (i.e. config/CPU/file). Add missing
11662 @table @code ... @end table to M32C subsection.
11664 2006-02-26 Roger Sayle <roger@eyesopen.com>
11666 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11668 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11670 2006-02-26 Roger Sayle <roger@eyesopen.com>
11671 James A. Morrison <phython@gcc.gnu.org>
11673 PR middle-end/21137
11674 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11675 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11676 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11677 signedness of the shift operation.
11679 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11681 PR tree-optimization/26359
11682 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11684 2006-02-25 Roger Sayle <roger@eyesopen.com>
11686 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11687 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11688 as X == 0, and some symmetry related transformations.
11689 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11691 2006-02-25 Roger Sayle <roger@eyesopen.com>
11693 PR middle-end/23673
11694 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11695 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11696 symmetry related transformations. Fold (X^C1) == C2 as
11699 2006-02-25 Juergen Weigert <jw@suse.de>
11700 Richard Guenther <rguenther@suse.de>
11702 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11704 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11706 * combine.c (gen_lowpart_or_truncate): Call
11707 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11709 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11711 * doc/invoke.texi: Move -fopenmp description to "Options for
11713 Remove reference to -lgomp.
11715 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11717 * doc/install.texi: Require GNU tar version 1.14.
11719 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11721 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11722 * doc/invoke.texi (C++ Dialect Options): Document
11723 -fno-use-cxa-get-exception-ptr.
11724 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11725 * configure: Regenerate.
11726 * c.opt (fuse-cxa-get-exception-ptr): New.
11727 * c-opts.c (c_common_handle_option): Handle
11728 OPT_fuse_cxa_get_exception_ptr.
11729 * c-common.c (flag_use_cxa_atexit): Update documentation.
11730 (flag_use_cxa_get_exception_ptr): New.
11731 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11732 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11734 (C_COMMON_OVERRIDE_OPTIONS): New.
11736 2006-02-24 Roger Sayle <roger@eyesopen.com>
11738 PR middle-end/24952
11739 * combine.c (try_combine): Explicitly check whether GET_CODE is
11740 a SET or a CLOBBER, instead on checking that it isn't a USE.
11742 2006-02-24 Roger Sayle <roger@eyesopen.com>
11744 * fold-const.c (fold_comparison): New subroutine of fold_binary
11745 containing transformations common to both the equality and
11746 ordering relational operators, factored out of fold_binary.
11747 (fold_binary): Separate out the equality operators (EQ_EXPR
11748 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11749 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11750 transformations common to both.
11751 (fold_div_compare): Fix latent bugs in the previously unreachable
11752 LT_EXPR and GE_EXPR cases.
11754 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11756 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11757 decl libname for clog to __clog on AIX.
11759 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11761 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11764 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11765 output traceback table for thunks. Localise rs6000_stack_info call.
11767 2006-02-23 Roger Sayle <roger@eyesopen.com>
11768 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11770 * gthr-posix.h (__gthrw): Fix typo in comment.
11772 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11774 * doc/cpp.texi (Character sets): Document that we do support
11775 input files to be in any character set.
11777 2006-02-23 Jeff Law <law@redhat.com>
11779 * tree.h (PHI_ARG_NONZERO): Remove.
11780 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11781 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11782 node to the new node.
11784 PR tree-optimization/26425
11785 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11786 min/max, then assume its varying.
11788 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11790 PR rtl-optimization/26316
11791 * rtlanal.c (enum may_trap_p_flags): New.
11792 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11793 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11794 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11795 (may_trap_after_code_motion_p): New function.
11796 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11797 (find_invariant_insn): Use may_trap_after_code_motion_p.
11798 * rtl.h (may_trap_after_code_motion_p): Declare.
11800 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11802 * emit-rtl.c (immed_double_const): Cleanup.
11804 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11806 Fix PR tree-optimization/26376
11807 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11810 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11812 PR middle-end/26412
11813 * gimplify.c (omp_add_variable): Guard variable size decl test with
11814 DECL_SIZE (decl) check.
11816 2006-02-23 Richard Guenther <rguenther@suse.de>
11818 PR middle-end/26439
11819 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11820 like aggregate types.
11822 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11824 * configure.ac: Add --with{,out}-long-double-128 configure option.
11825 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11826 * configure: Rebuilt.
11827 * config.in: Rebuilt.
11828 * doc/install.texi (Options specification): Document
11829 --with-long-double-128.
11831 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11832 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11833 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11834 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11836 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11838 * config/s390/s390.c (override_options): Handle
11839 TARGET_DEFAULT_LONG_DOUBLE_128.
11841 * config/alpha/alpha.c (override_options): Handle
11842 TARGET_DEFAULT_LONG_DOUBLE_128.
11844 * config/sparc/sparc.c (sparc_override_options): Handle
11845 TARGET_DEFAULT_LONG_DOUBLE_128.
11847 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11849 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11850 (real-install-headers-tar, real-install-headers-cpio)
11851 (real-install-headers-cp): New targets.
11853 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11855 * tree.h (variable_section): Delete.
11856 * varasm.c (variable_section): Delete.
11858 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11860 * install.texi: Add notes on install.texi2html.
11861 (Building in parallel): Do not use footnotes.
11863 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11866 * doc/install.texi (Configuration): Document --disable-libgomp.
11868 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11870 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11872 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11874 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11875 (vec_extractv2df_0_sse): New.
11877 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11879 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11880 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11881 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11882 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11883 to the result of the expression.
11884 (def_cfa_1): Adjust.
11885 (frame_pointer_cfa_offset): Rename to...
11886 (frame_pointer_fb_offset): ... this. Adjust all uses.
11887 (convert_cfa_to_loc_list): Rename to...
11888 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11889 Pass it on to build_cfa_loc.
11890 (compute_frame_pointer_to_cfa_displacement): Rename to...
11891 (compute_frame_pointer_to_fb_displacement): ... this. New
11892 offset parameter. Use it in computation.
11893 (gen_subprogram_die): Compute cfa_fb_offset with the new
11894 macro, and use it to compute the fb loc list and the
11897 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11899 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11900 replaced with register_operand.
11901 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11902 non-DREG is expensive.
11903 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11904 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11907 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11909 * doc/install.texi2html: Use set -e.
11911 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11913 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11914 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11915 * doc/invoke.texi (-fshared-data): Delete.
11916 * common.opt (fshared-data): Delete.
11917 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11918 (assemble_static_space): Remove #if 0 code.
11919 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11920 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11921 * config/cris/cris.h: Remove FIXME.
11923 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11925 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11928 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11930 PR middle-end/26379
11931 * combine.c (simplify_shift_const_1): Disable nested shifts
11932 optimization for vector shifts.
11934 2006-02-20 Roger Sayle <roger@eyesopen.com>
11936 PR tree-optimization/26361
11937 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11938 of unsigned integer types.
11940 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11942 * tree-chrec.c (eq_evolutions_p): New.
11943 * tree-chrec.h (eq_evolutions_p): Declared.
11944 * tree-data-ref.c: Fix formatting.
11945 (datadep_stats, dependence_stats): New.
11947 (print_direction_vector): New.
11948 (dump_data_dependence_relation): Use print_direction_vector.
11949 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11950 (compute_subscript_distance): Static.
11951 (initialize_data_dependence_relation): Static. Get the number
11952 of loops surrounding the references from the callers, and initialize
11953 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11954 base_object_differ_p analyzers.
11955 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11956 compute_overlap_steps_for_affine_1_2,
11957 analyze_subscript_affine_affine): Count the classified dependences.
11958 Print a message when a test failed.
11959 (can_use_analyze_subscript_affine_affine): New.
11960 (analyze_siv_subscript): Compute the data dependences on symbolic
11961 scevs that verify can_use_analyze_subscript_affine_affine.
11962 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11963 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11964 Handle symbolic scevs.
11965 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11967 (subscript_dependence_tester): Moved...
11968 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11969 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11970 DDR_SIZE_VECT instead of getting it in parameter.
11971 (subscript_dependence_tester): ... here. Take as a parameter
11972 loop_nest_depth. Call build_classic_dist_vector and
11973 build_classic_dir_vector.
11974 (compute_affine_dependence): Update subscript_dependence_tester
11975 parameters. Update datadep_stats counters. Call
11976 compute_subscript_distance.
11977 (compute_self_dependence): Save the dist and dir vectors. Call
11978 compute_subscript_distance.
11979 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11980 (compute_all_dependences): Reorder parameters as they were before
11981 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11982 compute_subscript_distance. Update the use of
11983 compute_affine_dependence and initialize_data_dependence_relation.
11984 (find_data_references_in_loop): Handle COMPONENT_REF.
11985 (compute_data_dependences_for_loop): Initialize dependence_stats.
11986 Don't call build_classic_dist_vector and build_classic_dir_vector.
11987 Update the parameters of initialize_data_dependence_relation and
11988 compute_all_dependences. Print the statistics from datadep_stats.
11989 (analyze_all_data_dependences): Static. Not used until the pass for
11990 checking the data dependences is contributed.
11991 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11992 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11993 (initialize_data_dependence_relation, compute_affine_dependence,
11994 analyze_all_data_dependences, compute_subscript_distance): Removed.
11995 (print_direction_vector): New.
11996 * lambda.h (gcd): ... here.
11997 (lambda_vector_gcd): Moved here from gcd_vector.
11998 * lambda-code.c (gcd, gcd_vector): Removed.
11999 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
12000 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
12002 2006-02-20 Diego Novillo <dnovillo@redhat.com>
12004 * ipa-type-escape.c: Tidy some comments and white space.
12005 * tree-ssa-operands.c: Likewise.
12007 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
12010 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
12011 (dump_decl_name): Do not walk the decl tree chains.
12012 * tree-pass.h (TDF_CHAIN): Remove.
12014 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12016 * Makefile.in (C): Remove
12018 (.PHONY): Remove C and PROTO
12020 2006-02-20 Roger Sayle <roger@eyesopen.com>
12022 PR middle-end/26236
12023 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
12024 deprecated CHAR_TYPE tree code.
12026 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12028 * configure.ac (target_list): Add install-info, dvi, html.
12029 * configure: Regenerate.
12031 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
12032 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
12033 treelang/Make-lang.in: Do not use double-colon rules.
12035 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
12037 * tree.h (struct tree_memory_tag): Add is_used_alone member.
12038 (TMT_USED_ALONE): New macro.
12039 * tree-pass.h (PROP_tmt_usage): New property.
12040 (TODO_update_tmt_usage): New todo.
12041 * tree-ssa-alias.c (updating_used_alone): New variable.
12042 (recalculate_used_alone): New function.
12043 (compute_may_aliases): Set updating_used_alone, call
12044 recalculate_used_alone.
12045 * tree-sra.c (pass_sra): Note that this pass destroys
12046 PROP_tmt_usage, and add TODO_update_tmt_usage.
12047 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
12048 * tree-flow.h (updating_used_alone): Prototype.
12049 (recalculate_used_alone): Ditto.
12050 * passes.c (execute_todo): Add code to set updating_used_alone,
12051 and call recalculate.
12052 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
12053 for clobber if used alone, and add assert to verify used_alone
12056 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
12058 * config/s390/s390.c (legitimize_pic_address): Assertions checking
12059 for non tls symbols added.
12060 (legitimize_address): Do nothing for PLUS expressions if one of the
12061 addends is a tls symbol reference.
12063 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
12067 * Makefile.in (LDFLAGS): Define from autoconf substitution.
12069 * Makefile.in (BOOTSTRAPPING): New.
12070 (quickstrap): New definition if BOOTSTRAPPING=yes.
12072 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
12073 * configure.ac: Substitute all_selected_languages with the languages
12074 that were configured. For all the other variables except
12075 lang_specs_files, include all the languages in the tree.
12076 * configure: Regenerate.
12078 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
12079 if there is one. Run the commands to run fixincludes in the same
12082 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
12083 * doc/install.texi: Document exact conventions for searching target tools.
12084 Document --with-build-time-tools. Document toplevel bootstrap. Document
12085 something more about building an Ada cross-compiler. Don't list GNU Make
12086 requirements which affect all platforms.
12088 2006-02-19 Roger Sayle <roger@eyesopen.com>
12090 PR middle-end/19543
12091 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
12092 only equivalent if the have both the same mode and precision.
12094 2006-02-20 Ben Elliston <bje@au.ibm.com>
12096 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
12098 2006-02-19 Roger Sayle <roger@eyesopen.com>
12099 Steven Bosscher <stevenb.gcc@gmail.com>
12101 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
12102 constant pool references to identify stack mode constants.
12103 * rtlanal.c (constant_pool_constant_p): New predicate to check
12104 whether operand is a floating point constant in the pool.
12105 * rtl.h (constant_pool_constant_p): Prototype here.
12106 * loop.c (scan_loop): Avoid hoisting constants from the constant
12107 pool on STACK_REGS targets.
12108 (load_mems): Likewise.
12109 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
12110 loads into x87 registers expensive in terms of register pressure.
12112 2006-02-19 Roger Sayle <roger@eyesopen.com>
12114 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
12115 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
12117 2006-02-19 David Edelsohn <edelsohn@gnu.org>
12119 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
12120 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
12122 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
12124 * doc/invoke.texi: Document -fipa-pta.
12125 * common.opt: Add ipa-pta option.
12126 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
12127 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
12128 (do_ds_constraint): Ditto.
12129 (get_constraint_for): Only add to referenced_vars if
12130 referenced_vars exists.
12131 (insert_into_field_list): Rewrite to do this unsorted.
12132 (insert_into_field_list_sorted): Rename old insert_into_field_list
12134 (create_function_info_for): Use insert_into_field_list_sorted.
12135 (create_variable_info_for): Rewrite so it uses unsorted version,
12136 since the field list is sorted.
12137 (intra_create_variable_infos): Only add to referenced_vars if
12138 referenced_vars exists.
12139 (ipa_pta_execute): Init heapvars, and delete when done.
12140 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
12142 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12144 * doc/install.texi: Add missing `@samp'.
12146 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12148 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
12151 2006-02-18 Mark Wielaard <mark@klomp.org>
12153 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
12154 who added new 4.1 features, bug fixes and integration support.
12156 2006-02-18 David Edelsohn <edelsohn@gnu.org>
12159 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
12160 MEM for ABI_V4 pic.
12162 2006-02-18 Richard Sandiford <richard@codesourcery.com>
12164 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
12165 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
12166 (copy_insn_1): Likewise. Don't copy each field individually.
12168 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12170 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12171 * rtl.c (rtx_size): Rename variable to...
12172 (rtx_code_size): ...this.
12173 (rtx_size): New function.
12174 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12175 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12177 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12178 * rtl.h (rtx_code_size): New variable.
12179 (rtx_size): Change from a variable to a function.
12180 (RTX_SIZE): Rename to...
12181 (RTX_CODE_SIZE): ...this.
12184 PR tree-optimization/17106
12185 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12186 (Anchored Addresses): New section.
12187 * doc/invoke.texi (-fsection-anchors): Document.
12188 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12189 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12190 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12191 * hooks.c (hook_bool_mode_rtx_false): New function.
12192 * hooks.h (hook_bool_mode_rtx_false): Declare.
12193 * gengtype.c (create_optional_field): New function.
12194 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12195 SYMBOL_REF_IN_BLOCK_P is true.
12196 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12197 (min_anchor_offset, max_anchor_offset): Likewise.
12198 (use_anchors_for_symbol_p): New hook.
12199 * toplev.c (compile_file): Call output_object_blocks.
12200 (target_supports_section_anchors_p): New function.
12201 (process_options): Check that -fsection-anchors is only used on
12202 targets that support it and when -funit-at-a-time is in effect.
12203 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12204 if the decl doesn't have one.
12205 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12206 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12207 of force_const_mem through use_anchored_address.
12208 (expand_expr_constant): New function.
12209 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12210 calling expand_expr for INDIRECT_REF.
12211 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12212 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12213 * expr.h (use_anchored_address): Declare.
12214 * loop-unroll.c: Don't declare rtx vectors here.
12215 * explow.c: Include output.h.
12216 (validize_mem): Call use_anchored_address.
12217 (use_anchored_address): New function.
12218 * common.opt (-fsection-anchors): New switch.
12219 * varasm.c (object_block_htab, anchor_labelno): New variables.
12220 (hash_section, object_block_entry_eq, object_block_entry_hash)
12221 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12222 (use_blocks_for_decl_p, change_symbol_section): New functions.
12223 (get_variable_section): New function, split out from assemble_variable.
12224 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12225 use_blocks_for_decl_p say so. Use change_symbol_section if the
12226 symbol has already been created.
12227 (assemble_variable_contents): New function, split out from...
12228 (assemble_variable): ...here. Don't output any code for
12229 block symbols; just pass them to place_block_symbol.
12230 Use get_variable_section and assemble_variable_contents.
12231 (get_constant_alignment, get_constant_section, get_constant_size): New
12232 functions, split from output_constant_def_contents.
12233 (build_constant_desc): Create a block symbol if use_object_blocks_p
12234 says so. Or into SYMBOL_REF_FLAGS.
12235 (assemble_constant_contents): New function, split from...
12236 (output_constant_def_contents): ...here. Don't output any code
12237 for block symbols; just pass them to place_section_symbol.
12238 Use get_constant_section and get_constant_alignment.
12239 (force_const_mem): Create a block symbol if use_object_blocks_p and
12240 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12241 (output_constant_pool_1): Add an explicit alignment argument.
12242 Don't switch sections here.
12243 (output_constant_pool): Adjust call to output_constant_pool_1.
12244 Switch sections here instead. Don't output anything for block symbols;
12245 just pass them to place_block_symbol.
12246 (init_varasm_once): Initialize object_block_htab.
12247 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12248 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12249 (place_block_symbol, get_section_anchor, output_object_block)
12250 (output_object_block_htab, output_object_blocks): New functions.
12251 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12252 (TARGET_ASM_OUT): Include it.
12253 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12254 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12255 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12256 (TARGET_INITIALIZER): Include them.
12257 * rtl.c (rtl_check_failed_block_symbol): New function.
12258 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12259 (block_symbol, object_block): New structures.
12260 (rtx_def): Add a block_symbol field to the union.
12261 (BLOCK_SYMBOL_CHECK): New macro.
12262 (rtl_check_failed_block_symbol): Declare.
12263 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12264 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12265 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12266 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12267 * output.h (output_section_symbols): Declare.
12268 (object_block): Name structure.
12269 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12270 (default_use_anchors_for_symbol_p): Declare.
12271 * Makefile.in (RTL_BASE_H): Add vec.h.
12272 (explow.o): Depend on output.h.
12273 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12274 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12275 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12276 (rs6000_use_blocks_for_constant_p): New function.
12278 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12280 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12282 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12285 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12288 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12290 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12294 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12296 PR middle-end/26334
12297 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12298 instead of DECL_REGISTER.
12300 2006-02-18 Olivier Hainque <hainque@adacore.com>
12303 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12305 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12308 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12309 * opth-gen.awk: Handle Var and InverseMask together.
12310 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12311 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12312 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12313 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12315 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12316 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12317 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12318 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12319 LINUX_DYNAMIC_LINKER): Define.
12320 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12321 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12323 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12324 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12325 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12326 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12327 (TARGET_C99_FUNCTIONS): Don't define.
12328 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12329 GLIBC_DYNAMIC_LINKER.
12330 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12331 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12332 GLIBC_DYNAMIC_LINKER64): Define.
12333 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12334 LINUX_DYNAMIC_LINKER64.
12335 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12336 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12337 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12338 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12339 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12340 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12341 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12342 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12343 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12344 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12345 and LINUX_DYNAMIC_LINKER32.
12346 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12347 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12348 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12349 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12350 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12352 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12353 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12354 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12355 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12356 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12357 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12358 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12359 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12360 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12361 LINUX_DYNAMIC_LINKER): Define.
12362 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12363 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12364 GLIBC_DYNAMIC_LINKER64): Define.
12365 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12366 LINUX_DYNAMIC_LINKER64.
12367 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12368 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12369 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12370 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12371 LINUX_DYNAMIC_LINKER): Define.
12372 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12373 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12374 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12375 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12376 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12377 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12378 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12379 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12380 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12381 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12382 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12383 * doc/invoke.texi (-muclibc): Remove caveat about supported
12386 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12388 * doc/cpp.texi (__TIMESTAMP__): Document.
12390 2006-02-17 Roger Sayle <roger@eyesopen.com>
12392 PR middle-end/25600
12393 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12394 C is one less than the width of X (and related transformations).
12395 * simplify-rtx.c (simplify_unary_operation_1): Transform
12396 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12397 depending on STORE_FLAG_VALUE, were C is one less then the
12400 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12402 Fix PR tree-optimization/26341
12403 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12404 about NAME_MEMORY_TAG's.
12406 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12409 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12410 with hardware float support, and software float support. Add fcpy
12411 alternative to hardware patterns. Add alternatives to copy between
12412 general and floating-point registers to the 32-bit pattern.
12413 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12414 secondary reload to load a QI or HI mode constant into a floating
12416 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12417 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12419 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12422 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12424 (load_macho_picbase_di): Likewise.
12426 2006-02-16 Jeff Law <law@redhat.com>
12428 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12429 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12430 (ssa_name_nonzero_p): Likewise.
12431 (get_value_range): Return NULL if VRP is not running.
12432 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12433 VRP routines do not discover a range.
12434 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12435 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12436 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12437 (tree_expr_nonnegative_p): Similarly.
12438 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12439 (restore_nonzero_vars_to_original_value): Remove.
12440 (unsafe_associative_fp_binop): Remove.
12441 (tree_ssa_dominator_optimize): Remove initialization and
12442 finalization of nonzero_vars and nonzero_vars_stack.
12443 (dom_opt_initialize_block): No longer push marker on
12444 nonzero_vars_stack.
12445 (dom_opt_finalize_block): No longer call
12446 restore_nonzero_vars_to_original_value.
12447 (record_equivalences_from_phis): No longer look for
12448 nonzero PHI arguments.
12449 (cprop_into_successor_phis): No longer propagate nonzero
12450 property into PHI arguments. Lose unused argument. Caller
12452 (record_equivalences_from_stmt): No longer record nonzero
12453 values for SSA_NAMEs.
12454 (lookup_avail_expr): No longer use nonzero_vars.
12456 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12457 for sizetype when sizetype is unsigned.
12459 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12461 PR rtl-optimization/25603
12462 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12463 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12464 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12465 with new meaning of SETS.
12467 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12472 * config/linux.opt: New file.
12473 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12474 LINUX_DYNAMIC_LINKER): Define.
12475 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12476 * config.gcc (*-*-linux*): Define extra_options.
12477 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12478 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12479 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12480 GLIBC_DYNAMIC_LINKER.
12481 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12482 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12483 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12484 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12485 * doc/invoke.texi (GNU/Linux Options): New section.
12487 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12489 * config/sparc/sparc.md (setjmp): Rewrite.
12490 (setjmp_32): Delete.
12491 (setjmp_64): Likewise.
12493 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12495 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12498 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12500 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12503 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12505 PR rtl-optimization/26296
12506 * Makefile.in (loop-invariant.c): Add except.h dependency.
12507 * loop-invariant.c: Include except.h.
12508 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12510 2005-02-16 Paul Brook <paul@codesourcery.com>
12512 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12515 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12517 PR rtl-optimization/25636
12518 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12519 when deciding whether an insn is an initializing insn.
12521 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12523 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12524 (tree_code_size): Ditto.
12525 * tree.h (struct tree_memory_tag): Remove parent_var.
12526 (struct tree_struct_field_tag): New.
12529 (union tree_node): Add sft member.
12530 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12532 (create_sft): Add size and offset argument, set SFT_OFFSET and
12534 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12535 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12536 * tree-flow-inline.h (get_subvar_at): Update for
12537 SFT_OFFSET/SFT_SIZE.
12538 (var_can_have_subvars): Ditto.
12539 (overlap_subvar): Ditto.
12540 * print-tree.c (print_node): Print out interesting things for
12542 * tree-flow.h (struct subvar): Remove offset and size members.
12543 * tree-ssa-operands.c (get_expr_operands): Update for
12544 get_indirect_ref_operands changes.
12545 (get_indirect_ref_operands): Call add_virtual_operand instead of
12546 add_stmt_operand. Only recurse on base var if requested.
12547 (access_can_touch_variable): New function.
12548 (add_stmt_operand): Split virtual operand handling into ...
12549 (add_virtual_operand): Here. Add offset, size, and for_clobber
12550 arguments. Prune alias sets.
12551 (add_call_clobber_ops): Call add_virtual_operand.
12553 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12555 PR middle-end/26300
12556 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12558 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12559 than TREE_CODE as index into omp_clause_num_ops array.
12561 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12563 PR rtl-optimization/26184
12564 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12566 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12567 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12568 must_precede, must_follow and tobe_scheduled.
12571 * opts.c (common_handle_option): Free new_option pointer.
12572 * df-core.c (df_analyze): Free postorder pointer.
12574 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12576 * Makefile.in: Fix the examples about the use of stamps
12578 2006-02-15 Michael Matz <matz@suse.de>
12580 PR middle-end/22275
12582 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12583 influenced by maximum_field_alignment or DECL_PACKED.
12584 (update_alignment_for_field): Ditto.
12585 (place_field): Ditto.
12586 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12589 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12591 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12592 (debug_flow_info): Pass it.
12593 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12594 * bb-reorder.c (reorder_basic_blocks): Likewise.
12595 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12596 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12597 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12598 * gcse.c (gcse_main, bypass_jumps): Likewise.
12599 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12600 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12601 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12602 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12603 * rtl.h (dump_flow_info): Adjust prototype.
12604 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12605 * var-tracking.c (variable_tracking_main): Likewise.
12606 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12607 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12610 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12612 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12615 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12617 PR tree-optimization/26209
12618 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12619 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12621 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12623 2006-02-14 Roger Sayle <roger@eyesopen.com>
12625 PR middle-end/23670
12626 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12627 (X,Y) and the corresponding symmetry related transformations.
12628 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12629 (X,Y) and its symmetry related transformations.
12631 2006-02-14 Roger Sayle <roger@eyesopen.com>
12633 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12636 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12638 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12640 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12643 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12644 support COMDAT group.
12645 * configure: Regenerate.
12647 2006-02-14 Roger Sayle <roger@eyesopen.com>
12649 PR middle-end/26279
12650 PR middle-end/26280
12651 PR middle-end/26283
12652 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12654 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12656 Fix PR tree-optimization/26260
12658 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12660 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12661 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12662 * tree-ssa-structalias.c (create_variable_info_for): Use
12663 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12665 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12667 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12669 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12670 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12671 of the ending condition.
12672 * tree-ssa-loop-manip.c: Include params.h.
12673 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12674 tree_unroll_loop): New functions.
12675 * tree-pass.h (pass_loop_prefetch): Declare.
12676 * loop.c (rest_of_handle_loop_optimize): Test for
12677 -fprefetch-loop-arrays-rtl.
12678 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12679 * timevar.def (TV_TREE_PREFETCH): New timevar.
12680 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12681 pass_loop_prefetch): New.
12682 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12683 (cleanup_tree_cfg_loop): Call scev_reset.
12684 * common.opt (fprefetch-loop-arrays-rtl): Add.
12685 * tree-ssa-loop-prefetch.c: New file.
12686 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12687 (new_temp_expr_table): Initialize expr_vars.
12688 (free_temp_expr_table): Cleanup expr_vars.
12689 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12690 expressions from being merged into one.
12691 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12692 (struct tree_niter_desc): Add control, bound and cmp fields.
12693 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12695 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12696 (tree-cfgcleanup.o): Add SCEV_H dependency.
12697 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12698 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12700 2006-02-14 Richard Guenther <rguenther@suse.de>
12702 PR tree-optimization/26258
12703 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12704 in PHI argument processing.
12706 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12708 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12709 new expression in the requested machine mode.
12711 2006-02-13 Roger Sayle <roger@eyesopen.com>
12713 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12714 directly, instead let do_compare_rtx_and_jump handle this for us.
12715 * expr.c (expand_expr_real_1): Likewise.
12716 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12717 before do_jump_by_parts_greater.
12718 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12719 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12721 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12723 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12725 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12727 PR rtl-optimization/26235
12728 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12729 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12732 2006-02-13 Jeff Law <law@redhat.com>
12734 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12737 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12739 PR middle-end/26092
12740 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12741 twice if decl is a builtin. When trying again, call get_callee_fndecl
12742 first to verify it is still a builtin.
12744 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12746 * dwarf2out.c (base_type_die): Don't add AT_name here.
12747 (subrange_type_die): Don't add AT_name here.
12748 (modified_type_die): Rearrange code flow. Do add AT_name here.
12750 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12752 PR rtl-optimization/26247
12753 PR rtl-optimization/26248
12754 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12756 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12758 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12759 * config/fixtfdi.c: Likewise.
12760 * config/fixunstfdi.c: Likewise.
12761 * config/floatditf.c: Likewise.
12763 2006-02-13 Roger Sayle <roger@eyesopen.com>
12765 PR middle-end/24427
12766 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12767 into (X,C2) if C1 is a subset of the bits of C2. Transform
12768 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12770 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12772 2006-02-13 Josh Conner <jconner@apple.com>
12775 * varasm.c (function_section): Check for section name before
12776 calling select_section on targets that define
12777 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12778 unlikely_text_section instead of hot_function_section if
12779 first_function_block_is_cold.
12781 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12783 PR middle-end/25335
12784 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12786 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12788 PR rtl-optimization/26222
12789 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12790 after tree->rtl expansion.
12791 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12792 before passing it to emit_move_insn.
12794 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12796 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12798 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12799 Clarify documentation.
12800 * c-common.h (warn_write_strings): Remove.
12801 * c-common.c (warn_write_strings): Likewise.
12802 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12805 2006-02-12 Roger Sayle <roger@eyesopen.com>
12807 PR middle-end/25724
12808 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12809 (do_jump_parts_zero_rtx): New function renamed from
12810 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12811 (do_jump_parts_equality_rtx): New function split out from
12812 do_jump_parts_equality. Old implementation renamed as above.
12813 Call do_jump_parts_zero_rtx if either operand is zero.
12814 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12815 do all of the heavy lifting.
12816 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12817 calling either do_jump_by_parts_greater_rtx or
12818 do_jump_by_parts_equality_rtx.
12819 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12820 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12821 moved to do_compare_rtx_and_jump, call it directly.
12822 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12823 mode argument. Call do_compare_rtx_and_jump.
12824 (emit_case_nodes): Update calls to do_jump_if_equal.
12826 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12828 PR rtl-optimization/26225
12829 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12831 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12833 PR rtl-optimization/26232
12834 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12836 2006-02-11 Jason Merrill <jason@redhat.com>
12839 * tree-inline.c (declare_return_variable): Just don't use the
12840 modify target if it's a gimple complex reg and the return slot
12843 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12845 * doc/contrib.texi: Update my entry.
12847 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12849 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12851 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12853 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12856 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12858 * doc/invoke.texi (-floop-optimize2): Removed.
12859 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12860 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12861 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12862 * common.opt (floop-optimize2): Removed.
12863 (fmove-loop-invariants): Enabled by default.
12865 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12867 * tree-if-conv.c (combine_blocks): Free the result of
12868 get_loop_exit_edges.
12870 2006-02-10 Jeff Law <law@redhat.com>
12872 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12874 PR tree-optimization/26213
12875 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12876 loop trying to follow SSA_NAME_VALUE chains.
12878 2006-02-10 Richard Guenther <rguenther@suse.de>
12880 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12881 deal with structures that end in implicitly variable sized arrays.
12883 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12885 PR rtl-optimization/24762
12886 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12889 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12891 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12892 (struct ivopts_data): Add regs_used field.
12893 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12894 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12895 instead of loop_data->regs_used;
12896 (free_loop_data): Do not free aux fields for loops.
12897 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12898 and tree_ssa_iv_optimize_finalize.
12900 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12902 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12904 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12907 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12908 computing the effective result type.
12910 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12912 PR inline-asm/16194
12913 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12914 (tree_overlaps_hard_reg_set): Declare.
12915 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12916 type and signature to match function type expected by walk_tree.
12917 (tree_overlaps_hard_reg_set): New function.
12918 (decl_conflicts_with_clobbers_p): Rename to:
12919 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12920 Use tree_overlaps_hard_reg_set. Changed caller.
12921 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12922 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12923 * cris.c (cris_md_asm_clobbers): Likewise.
12925 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12927 * reload1.c (emit_input_reload_insns): Delete code that tries to
12928 inherit using find_equiv_reg.
12930 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12932 * c-common.h (flag_const_strings): Don't declare.
12933 * c-common.c (flag_const_strings): Remove.
12934 * c.opt (fconst_strings): Remove.
12935 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12936 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12937 (c_common_init_options): Don't set flag_const_strings.
12938 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12940 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12942 * arm.md (tlobits_cbranch): New pattern.
12943 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12944 testing a single bit.
12946 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12949 * tree-ssa-pre.c (create_component_ref_by_pieces):
12950 Handle RETURN_DECL like VAR_DECL.
12952 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12954 PR middle-end/26134
12955 * fold-const.c (fold_indirect_ref_1): Fold
12956 "*(foo *)&complexfoo" to "__real__ complexfoo"
12957 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12959 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12961 * tree-flow-inline.h (var_can_have_subvars):
12962 Volatile variables should not have subvariables.
12964 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12967 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12968 multiplying unsigned values.
12971 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12973 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12975 2006-02-08 Jason Merrill <jason@redhat.com>
12978 * tree.def: Elaborate on difference from MODIFY_EXPR.
12979 * doc/c-tree.texi (INIT_EXPR): Likewise.
12980 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12981 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12982 (gimplify_target_expr): Likewise.
12983 (gimplify_cond_expr): Remove target handling.
12984 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12985 (gimplify_expr): Clobber it here.
12986 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12987 Do return slot optimization if we have an INIT_EXPR.
12990 * tree-inline.c (declare_return_variable): Also clear
12991 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12994 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12996 PR middle-end/22439
12997 * gimplify.c (gimplify_one_sizepos): Fix typo.
12999 2006-02-08 Jeff Law <law@redhat.com>
13001 PR tree-optimization/21417
13002 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
13003 across a backedge if the control statement at the end of the
13004 block is data dependent on other statements in the same block.
13005 (record_temporary_equivalences_from_stmts): Remove over-conservative
13006 test for threading across backedges.
13008 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
13009 control statement, handle all three special cases in the same
13010 manner as they all have the same desired solution. No longer
13011 special case edge flag updating when the post dominator is
13014 2006-02-08 Roger Sayle <roger@eyesopen.com>
13016 * tree.def (CHAR_TYPE): Remove.
13017 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
13018 * dwarf2out.c (base_type_die, is_base_type): Likewise.
13019 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
13020 (gen_string_type_die): Delete unreachable function.
13022 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
13023 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
13024 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
13025 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
13026 * builtins.c (type_to_class): Likewise.
13027 * fold-const.c (fold_convert, build_range_check,
13028 merge_ranges): Likewise.
13029 * expr.c (count_type_elements): Likewise.
13030 * c-pretty-print.c (pp_c_type_specifier): Likewise.
13031 * stor-layout.c (layout_type): Likewise.
13032 * ipa-type-escape.c (type_to_consider): Likewise.
13033 * gimplify.c (omp_firstprivatize_type_sizes,
13034 gimplify_type_sizes): Likewise.
13035 * explow.c (promote_mode): Likewise.
13036 * tree-sra.c (is_sra_scalar_type): Likewise.
13037 * varasm.c (output_constant): Likewise.
13038 * tree-inline.c (remap_type_1): Likewise.
13039 * convert.c (convert_to_pointer, convert_to_real,
13040 convert_to_integer, convert_to_complex): Likewise.
13042 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
13044 * df-scan.c (df_def_record_1): A set destination may
13045 be a parallel regardless of mode.
13047 2006-02-08 Roger Sayle <roger@eyesopen.com>
13050 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
13051 * config/mips/_tilib.c: Remove.
13052 * config/fixtfdi.c: New libgcc source file.
13053 * config/fixunstfdi.c: New source file.
13054 * config/floatditf.c: New source file.
13055 * config/floatunditf.c: New souce file.
13056 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
13057 files above instead of config/mips/_tilib.c.
13058 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
13060 2006-02-08 Jeff Law <law@redhat.com>
13062 PR tree-optimization/26169
13063 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
13066 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
13068 * df.h (DF_REG_SIZE): Return the length of the initialized
13071 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
13073 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
13074 __muldf3): Return a correctly signed zero.
13076 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
13078 * passes.c (register_one_dump_file): Accept the current properties
13079 instead of pass number. Adjust call to dump_register. Remove
13081 (register_dump_files): Now a wrapper around...
13082 (register_dump_files_1): ... this one. Do not modify the pass
13084 (next_pass_1): Cosmetic fix.
13085 (execute_todo): Keep second parameter only. Use curr_properties
13086 instead of fetching it from the pass structure. Check and set
13088 (execute_one_pass): Handle TODO_set_props. Use curr_properties
13089 instead of fetching it from the pass structure. Fix calls to
13090 execute_todo. Update curr_properties and initialize .vcg RTL dump
13091 after running the pass. Reset last_verified.
13092 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
13094 (FIRST_AUTO_NUMBERED_DUMP): New.
13095 (dump_register): Remove "num" parameter, assign it within the
13097 (get_dump_file_name): Modify template for dumps.
13098 * tree-dump.h (dump_register): Adjust prototype.
13099 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
13100 (PROP_trees): Add PROP_gimple_lomp.
13101 (TODO_set_props): New.
13102 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
13103 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
13104 * cfgexpand.c (pass_expand): Destroy PROP_trees.
13106 2006-02-08 Jakub Jelinek <jakub@redhat.com>
13108 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
13109 (sparc64-*-linux*): Likewise.
13110 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
13111 * config/sparc/t-linux: New file.
13112 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
13113 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
13114 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
13115 -m32 -mlong-double-128.
13117 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
13118 * config/alpha/t-linux: New file.
13119 * config/alpha/libgcc-alpha-ldbl.ver: New file.
13121 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
13122 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
13123 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
13124 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
13125 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
13126 (CPP_ARCH32_SPEC): Remove.
13128 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
13130 PR tree-optimization/26145
13131 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
13134 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13137 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
13138 >= 240000 when generating code for SOM runtime.
13139 (output_indirect_call): Don't use "b,l" instruction for indirect calls
13140 to $$dyncall when generating code for SOM runtime..
13142 2006-02-07 Dirk Mueller <dmueller@suse.com>
13145 * doc/invoke.texi (-Wsequence-point): Update documentation
13146 that -Wsequence-point is implemented for C++ as well.
13148 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13150 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
13151 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
13152 (LIB_SPEC): Likewise.
13153 * doc/invoke.texi (SPARC options): Document -pthread.
13155 2006-02-07 Geoffrey Keating <geoffk@apple.com>
13157 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
13160 2006-02-07 Roger Sayle <roger@eyesopen.com>
13162 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
13163 Correct comment describing BOOLEAN_TYPE.
13165 2006-02-07 Dirk Mueller <dmueller@suse.com>
13167 * c.opt: C++ frontend supports -Wdiv-by-zero.
13168 * c-opts.c (c_common_handle_option): Remove dead case.
13170 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13172 * configure.ac (TLS assembler check): Do not enable TLS by
13173 default on SPARC/Solaris before version 10.
13174 * configure: Regenerate.
13176 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13178 * doc/invoke.texi (xl-compat): Document conversion and support
13181 2006-02-07 Jeff Law <law@redhat.com>
13183 * tree-vrp.c (find_conditional_asserts): Update comments.
13184 (simplify_stmt_for_jump_threading): New.
13185 (identify_jump_threads, finalize_jump_threads): New.
13186 (vrp_finalize): Call identify_jump_threads.
13187 (execute_vrp): Call finalize_jump_threads.
13188 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13189 (vrp_element, vrp_data, vrp_element_p): Remove.
13190 (vrp_hash_elt, vrp_variables_stack): Remove.
13191 (vrp_hash, vrp_eq, record_range): Remove.
13192 (simplify_cond_and_lookup_avail_expr): Remove.
13193 (extract_range_from_cond): Remove.
13194 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13195 (simplify_stmt_for_jump_threading): New.
13196 (dom_thread_across_edge): New wrapper.
13197 (tree_ssa_dominator_optimize): No longer initialize or
13198 finalize any of the VRP datastructures. Remove iteration
13199 step and simplify as a result of removal of iteration step.
13200 (pass_dominator): Perform a cfg cleanup after DOM.
13201 (dom_opt_finalize_block): Use the new common routines
13202 for threading jumps. Simplify stack management slightly.
13203 No longer need to unwind VRP state.
13204 (record_equivalences_from_incoming_edge): No longer record
13206 (eliminate_redundant_computations): No longer call
13207 simplify_cond_and_lookup_avail_expr.
13208 * tree-flow.h (potentially_threadable_block): Prototype.
13209 (thread_across_edge): Likewise.
13210 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13211 (tree-ssa-threadedge.o): Add dependencies.
13212 * tree-ssa-threadedge.c: New file.
13213 * passes.c (init_optimization_passes): Merge PHIs before
13214 calling VRP. Run VRP again late in the SSA optimization pipeline.
13216 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13218 * df-core.c (df_set_blocks): Do not dereference function pointers.
13219 (df_finish1): Likewise.
13220 (df_hybrid_search_forward): Likewise.
13221 (df_hybrid_search_backward): Likewise.
13222 (df_iterative_dataflow): Likewise.
13223 (df_analyze_problem): Likewise.
13224 (df_compact_blocks): Likewise.
13225 (df_dump): Likewise.
13226 * df-scan.c (df_rescan_blocks): Likewise.
13227 (df_record_entry_block_defs): Likewise.
13229 * genconditions.c (write_conditions): Guard the definition of
13230 'insn_conditions' with the check on GCC version.
13231 (write_writer): Guard the traversal 'insn_conditions' with
13232 the check on GCC version.
13234 2006-02-07 Richard Guenther <rguenther@suse.de>
13238 2006-01-30 Richard Guenther <rguenther@suse.de>
13240 * gimplify.c (gimplify_target_expr): Handle easy cases
13241 without creating a temporary.
13243 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13245 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13246 use of float in probability computations. Use edge probabilities
13247 in place of statically computed probabilities.
13248 (min_spec_prob): New static variable.
13249 (schedule_insns): Initialize it.
13250 (GET_SRC_PROB): Removed.
13251 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13253 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13256 * config/ia64/unwind-ia64.c: Revert last change.
13257 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13258 (INCOMING_FRAME_SP_OFFSET): Define.
13260 2006-02-06 Roger Sayle <roger@eyesopen.com>
13262 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13264 2006-02-07 Ben Elliston <bje@au.ibm.com>
13266 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13267 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13268 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13269 (ix86_return_in_memory): Handle TDmode.
13270 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13271 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13273 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13275 * reorg.c (dbr_schedule): Use dump_file instead of file.
13277 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13280 * config/ia64/predicates.md (extr_len_operand): New predicate.
13281 * config/ia64/ia64.md (extv): Tighten constraints.
13283 (*tbit_and_2): Ditto.
13284 (*tbit_and_3): Ditto.
13285 (*tbit_or_2): Ditto.
13286 (*tbit_or_3): Ditto.
13287 (*bit_zero): Ditto.
13290 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13293 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13295 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13297 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13298 loop_optimizer_init and loop_optimizer_finalize
13299 * tree-ssa-sink.c (execute_sink_code): Ditto.
13300 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13301 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13302 tree_ssa_loop_done): Ditto.
13303 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13304 * sched-ebb.c: Include output.h.
13305 (schedule_ebbs): Do not use dump argument.
13306 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13307 * loop.c (loop_dump_stream): Removed.
13308 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13310 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13311 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13312 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13313 loop_iterations, strength_reduce, record_biv, record_giv,
13314 final_giv_value, check_final_value, check_ext_dependent_givs,
13315 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13316 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13317 dump_file instead of loop_dump_stream.
13318 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13319 argument dump_file.
13320 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13322 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13323 * haifa-sched.c: Include output.h
13324 (schedule_insns, sched_init): Do not use dump argument.
13325 * mode-switching.c (optimize_mode_switching): Ditto.
13326 * modulo-sched.c (stats_file): Removed.
13327 (print_node_sched_params): Do not call argument dump_file.
13328 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13329 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13331 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13333 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13334 rtl_loop_init, rtl_loop_done): Ditto.
13335 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13336 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13338 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13339 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13340 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13341 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13342 * emit-rtl.c (renumber_insns): Ditto.
13343 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13344 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13345 * regclass.c (regclass): Ditto.
13346 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13347 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13348 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13349 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13351 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13352 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13354 * gcse.c (gcse_file, debug_stderr): Removed.
13355 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13356 rest_of_handle_gcse): Do not use dump argument.
13357 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13358 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13359 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13360 compute_code_hoist_vbeinout, compute_code_hoist_data,
13361 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13362 compute_store_table, build_store_vectors, insert_insn_start_bb,
13363 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13364 store_motion): Use dump_file instead of gcse_file.
13365 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13366 * profile.c (profile_dump_file): Removed.
13367 (branch_prob): Use dump_file instead of profile_dump_file.
13368 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13370 * tree-ssa-copy.c (dump_copy_of): Ditto.
13371 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13372 dump file to life_analysis.
13373 * bt-load.c (branch_target_load_optimize): Ditto.
13374 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13376 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13377 regclass, dbr_schedule): Declaration changed.
13378 * sched-int.h (sched_init): Declaration changed.
13379 * tree-profile.c (tree_profile_dump_file): Removed.
13380 (tree_profile_hooks): Removed profile_dump_file hook.
13381 * rtl-profile (rtl_profile_dump_file): Removed.
13382 (rtl_profile_hooks): emoved profile_dump_file hook.
13383 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13385 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13386 * tree-cfg.c (build_tree_cfg): Ditto.
13387 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13388 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13389 Declaration changed.
13390 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13391 life_analysis and schedule_insns.
13392 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13394 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13396 * config/mips/mips.c (mips_reorg): Ditto.
13397 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13400 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13402 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13403 (s390_mangle_fundamental_type): New.
13404 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13407 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13408 (alpha_mangle_fundamental_type): New.
13409 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13412 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13414 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13416 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13417 (sparc_mangle_fundamental_type): New.
13419 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13421 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13422 (s390x-*-linux*): Likewise.
13423 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13424 * config/s390/t-linux: New file.
13426 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13428 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13429 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13431 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13433 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13434 (ANTIC_SAFE_LOADS): New macro.
13435 (find_or_generate_expression): Add prototype.
13436 (set_contains_value): Allow null set for sake of not always having
13437 to allocate ANTIC_SAFE_LOADS.
13438 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13439 Allow COMPONENT_REF too.
13440 (valid_in_set): Allow COMPONENT_REF.
13441 Check ANTIC_SAFE_LOADS too.
13442 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13443 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13445 (can_PRE_operation): Add COMPONENT_REF.
13446 (create_component_ref_by_pieces): New function.
13447 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13448 (insert_aux): Move AGGREGATE_TYPE_P check here.
13449 (compute_avail): Set bb local stmt uids.
13450 (pass_pre): Use TODO_update_ssa_only_virtuals.
13452 2006-02-06 Ben Elliston <bje@au.ibm.com>
13454 * configure.ac: Unconditionally disable decimal float by default.
13455 * configure: Regenerate.
13457 2006-02-06 Ben Elliston <bje@au.ibm.com>
13459 * read-rtl.c (read_name): Terminate reading on EOF.
13461 2006-02-06 Ben Elliston <bje@au.ibm.com>
13463 * dfp.c (decimal_real_arithmetic): Change second argument type
13464 from int to enum tree_code. Do not always return true, but now
13465 return result of any call to decimal_do helper functions.
13466 * dfp.h (decimal_real_arithmetic): Update prototype.
13468 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13470 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13472 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13475 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13478 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13480 * tree-vrp.c (cfg_loops): Removed.
13481 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13482 Use current_loops instead of cfg_loops. Pass flags to
13483 loop_optimizer_init.
13484 * cfgloopmanip.c (fix_loop_structure): Update only available
13486 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13487 loop_optimizer_init.
13488 * modulo-sched.c (build_loops_structure): Removed.
13489 (sms_schedule): Use loop_optimizer_init.
13490 * loop-init.c (loop_optimizer_init): Use flags to determine
13491 which properties of loops to prepare.
13492 (rtl_loop_init): Pass flags to loop_optimizer_init.
13493 * tree-ssa-sink.c (execute_sink_code): Ditto.
13494 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13495 * tree-ssa-pre.c (init_pre): Ditto.
13496 * cfgloop.h (LOOPS_NORMAL): New.
13497 (loop_optimizer_init): Declaration changed.
13499 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13501 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13502 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13504 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13506 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13508 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13509 * pa/t-pa64: Delete quadlib.c rule.
13510 * pa/x-ada: Revert last change.
13511 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13513 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13515 PR rtl-optimization/26087
13516 * rtlanal.c (canonicalize_condition): Do not cross basic block
13519 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13522 * config/ia64/ia64.c: Include debug.h.
13523 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13524 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13525 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13526 (process_epilogue, process_set, process_for_unwind_directive):
13527 Output unwind info only if requested. Add CFA info if requested.
13528 Add new arguments as needed. Adjust callers.
13529 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13531 (DWARF2_FRAME_INFO): Define to zero.
13532 * config/ia64/unwind-ia64.c: Remove code that compensated for
13533 the CFA offset error fixed above.
13534 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13535 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13536 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13537 -funwind-tables and -fexceptions to enable frame info.
13538 (dwarf2out_frame_init): Define initial CFA even if
13539 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13540 DWARF2_UNWIND_INFO is nonzero, not just defined.
13541 (dwarf2out_frame_finish): Output non-EH call frame info only
13542 if DWARF2_FRAME_INFO is nonzero.
13543 (convert_cfa_to_loc_list,
13544 compute_frame_pointer_to_cfa_displacement): Define even if
13545 unwind info is not supported.
13546 (gen_subprogram_die): Use the above unconditionally. Remove
13547 legacy alternate code.
13548 * toplev.c (compile_file): Compile in call to
13549 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13550 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13552 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13553 Jakub Jelinek <jakub@redhat.com>
13555 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13556 IBM extended float format long double as "g" on powerpc*-linux.
13558 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13561 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13562 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13564 2006-02-03 Jason Merrill <jason@redhat.com>
13567 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13569 PR middle-end/25977
13570 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13571 on the return slot if it's an NRV.
13573 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13575 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13576 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13577 rewrite_use): Do not handle USE_OUTER.
13578 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13579 add_iv_outer_candidates, may_replace_final_value,
13580 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13581 (find_interesting_uses_op): Functionality of
13582 find_interesting_uses_outer_or_nonlin moved here.
13583 (find_interesting_uses_outside): Use find_interesting_uses_op.
13585 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13588 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13590 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13591 Ulrich Weigand <uweigand@de.ibm.com>
13594 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13595 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13596 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13597 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13599 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13600 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13601 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13602 Define secondary reloads for TFmode moves.
13603 (constant_modes): Add TFmode.
13604 (NR_C_MODES): Set to 8.
13605 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13607 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13608 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13609 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13610 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13611 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13612 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13613 (FPR mode macro): Add TFmode.
13614 (DSF mode macro): New.
13615 (<de>, <dee> mode attributes): Removed.
13616 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13617 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13618 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13619 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13620 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13621 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13622 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13623 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13624 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13625 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13626 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13627 "*negabs<mode>2", "sqrt<mode>2"):
13628 Changed <de> to <xde>. R constraint replaced by <Rf>.
13629 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13631 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13632 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13633 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13635 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13636 "extenddftf2", "extendsftf2"): New expanders.
13637 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13638 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13639 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13640 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13642 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13643 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13644 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13645 __floatditf): Add a GCC_4.1.0 symbol version tag.
13646 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13649 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13652 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13653 Use targetm.binds_local_p instead of TREE_PUBLIC.
13655 2006-02-02 Roger Sayle <roger@eyesopen.com>
13657 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13658 on INTEGER_TYPEs to indicate that it denotes a character type.
13659 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13660 signed_char_type_node, unsigned_char_type_node and char_type_node.
13661 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13662 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13663 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13665 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13666 Daniel Berlin <dberlin@dberlin.org>
13668 * tree-tailcall.c (arg_needs_copy_p): New function.
13669 (eliminate_tail_call): Use arg_needs_copy_p.
13670 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13671 (add_virtual_phis): New function.
13673 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13675 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13676 #ignore instead of #scratch for %g7 .register directive.
13678 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13680 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13683 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13685 * flow.c (calculate_global_regs_live): Assert that there aren't any
13688 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13690 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13691 what its name says.
13692 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13693 bsi_after_labels iterator.
13694 * tree-if-conv.c (find_phi_replacement_condition,
13695 replace_phi_with_cond_modify_expr): Likewise.
13696 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13697 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13699 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13701 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13703 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13706 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13707 array after growing it.
13709 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13711 PR middle-end/24901
13712 * fold-const.c (fold_checksum_tree): Change type of buf.
13714 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13716 * reload.c (push_secondary_reload): Initialize t_icode.
13718 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13720 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13721 -msoft-float -mlong-double-128 only issue a warning, but don't
13722 swich to DFmode long double.
13724 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13726 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13727 has a constant equivalent, iterate over equivalents for arg0,
13728 calling simplify_relational_operation and if there's a result
13729 cheaper than X, apply fold_rtx and return the result.
13731 2006-02-01 Jan Hubicka <jh@suse.cz>
13733 * opts.c (no_unit_at_a_time_default): New global variable.
13734 (decode_options): Use it.
13735 * opts.h (no_unit_at_a_time_default): Declare.
13737 2006-02-01 Paul Brook <paul@codesourcery.com>
13739 * function.c (assign_parm_setup_reg): Use function argument promotion
13741 * expr.c (expand_expr_real_1): Use function argument promotion rules
13744 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13746 * gcc.c (process_command): Change j to 'unsigned int'.
13748 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13750 PR middle-end/26001
13751 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13752 Use the corrected index for the character
13753 out of the string constant.
13755 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13757 * mode-switching.c (optimize_mode_switching): Fix size
13758 allocated for bb_info[n_entities].
13760 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13762 * gcc.c (main): Correct type that is allocated for
13763 explicit_link_files.
13765 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13767 * config/s390/s390.c (init_alignment_context): Set
13768 ALIAS_SET_MEMORY_BARRIER on the MEM.
13769 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13771 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13773 PR middle-end/25933
13774 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13776 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13779 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13781 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13782 * regrename.c: Ditto.
13783 * tree-ssa-loop-im.c: Ditto.
13784 * tree-dump.c: Ditto.
13785 * tree-complex.c: Ditto.
13786 * genrecog.c: Ditto.
13787 * tree-ssa-threadupdate.c: Ditto.
13789 * java/class.c: Ditto.
13790 * java/jcf-parse.c: Ditto.
13791 * java/resource.c: Ditto.
13792 * java/except.c: Ditto.
13793 * java/jvspec.c: Ditto.
13794 * java/jcf-write.c: Ditto.
13795 * java/jcf-path.c: Ditto.
13796 * java/gjavah.c: Ditto.
13797 * java/zextract.c: Ditto.
13798 * java/jcf-io.c: Ditto.
13799 * java/jcf.h: Ditto.
13800 * java/buffer.c: Ditto.
13801 * java/lang.c: Ditto.
13802 * java/parse-scan.y: Ditto.
13803 * java/lex.c: Ditto.
13804 * java/lex.h: Ditto.
13805 * cfgloopmanip.c: Ditto.
13806 * postreload-gcse.c: Ditto.
13807 * tree-ssa-loop-manip.c: Ditto.
13808 * postreload.c: Ditto.
13809 * tree-ssa-loop-ch.c: Ditto.
13812 * cppspec.c: Ditto.
13813 * diagnostic.c: Ditto.
13815 * genoutput.c: Ditto.
13817 * cfghooks.c: Ditto.
13818 * cfgloopanal.c: Ditto.
13819 * objc/objc-act.c: Ditto.
13821 * genextract.c: Ditto.
13822 * genautomata.c: Ditto.
13823 * pretty-print.c: Ditto.
13824 * genemit.c: Ditto.
13825 * cgraphunit.c: Ditto.
13827 * df-scan.c: Ditto.
13828 * haifa-sched.c: Ditto.
13829 * dominance.c: Ditto.
13831 * tree-ssa-loop-ivopts.c: Ditto.
13832 * df-core.c: Ditto.
13833 * mode-switching.c: Ditto.
13834 * modulo-sched.c: Ditto.
13836 * ipa-pure-const.c: Ditto.
13838 * fix-header.c: Ditto.
13840 * tree-stdarg.c: Ditto.
13841 * ipa-utils.c: Ditto.
13842 * loop-init.c: Ditto.
13843 * ipa-inline.c: Ditto.
13844 * cfganal.c: Ditto.
13846 * alloc-pool.c: Ditto.
13847 * dwarf2out.c: Ditto.
13849 * genattrtab.c: Ditto.
13850 * tree-ssa-loop-ivcanon.c: Ditto.
13851 * predict.c: Ditto.
13852 * timevar.c: Ditto.
13854 * fortran/gfortranspec.c: Ditto.
13855 * regmove.c: Ditto.
13856 * local-alloc.c: Ditto.
13857 * langhooks.c: Ditto.
13858 * function.c: Ditto.
13859 * tree-vectorizer.c: Ditto.
13861 * ipa-type-escape.c: Ditto.
13863 * tree-if-conv.c: Ditto.
13864 * profile.c: Ditto.
13866 * tree-data-ref.c: Ditto.
13867 * loop-unroll.c: Ditto.
13868 * treelang/treetree.c: Ditto.
13870 * bt-load.c: Ditto.
13871 * ggc-common.c: Ditto.
13873 * coverage.c: Ditto.
13875 * tree-cfgcleanup.c: Ditto.
13876 * tree-ssa-pre.c: Ditto.
13877 * cfgcleanup.c: Ditto.
13878 * loop-invariant.c: Ditto.
13879 * loop-iv.c: Ditto.
13880 * ipa-prop.c: Ditto.
13881 * print-tree.c: Ditto.
13882 * conflict.c: Ditto.
13883 * ggc-page.c: Ditto.
13884 * sched-deps.c: Ditto.
13885 * regclass.c: Ditto.
13886 * tree-object-size.c: Ditto.
13887 * combine.c: Ditto.
13888 * bb-reorder.c: Ditto.
13889 * resource.c: Ditto.
13890 * var-tracking.c: Ditto.
13891 * cfgloop.c: Ditto.
13892 * df-problems.c: Ditto.
13893 * reg-stack.c: Ditto.
13895 * gccspec.c: Ditto.
13896 * sched-rgn.c: Ditto.
13897 * tree-ssa-structalias.c: Ditto.
13898 * tree-ssa-reassoc.c: Ditto.
13899 * config/darwin-c.c: Ditto.
13900 * config/darwin.c: Ditto.
13901 * config/arm/arm.c: Ditto.
13903 * collect2.c: Ditto.
13904 * reload1.c: Ditto.
13906 2006-01-31 Nicolas Pitre <nico@cam.org>
13908 * arm.md (smaxsi3): Make aware of smax_m1.
13911 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13913 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13915 2006-01-31 Richard Guenther <rguenther@suse.de>
13917 * doc/invoke.texi (-msselibm): Document.
13918 * target.h (expand_library_builtin): New target hook.
13919 * builtins.c (expand_builtin): Use expand_library_builtin.
13920 (default_expand_library_builtin): New function.
13921 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13922 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13923 (link_gcc_math_spec): Declare.
13924 (static_specs): Add link_gcc_math_spec.
13925 * expr.h (default_expand_library_builtin): Declare.
13926 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13927 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13928 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13929 * config/i386/i386.opt (msselibm): New target option.
13930 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13931 (ix86_init_sse_abi_builtins): New function.
13932 (ix86_expand_library_builtin): Likewise.
13933 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13934 (override_options): Handle error conditions wrt -msselibm.
13935 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13936 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13937 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13940 2006-01-31 Richard Guenther <rguenther@suse.de>
13941 Paolo Bonzini <bonzini@gnu.org>
13943 * doc/install.texi (--disable-libgcc-math): Document.
13945 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13947 * expr.h (expand_normal): new inline function.
13948 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13949 * dojump.c: use it.
13950 * dwarf2out.c: use it.
13953 * expmed.c: use it.
13954 * except.c: use it.
13955 * config/sparc/sparc.c: use it.
13956 * config/i386/i386.c: use it.
13957 * config/rs6000/rs6000.c: use it.
13958 * config/arm/arm.c: use it.
13959 * config/mips/mips.c: use it.
13960 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13962 2006-01-30 Roger Sayle <roger@eyesopen.com>
13964 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13965 argv to the appropriate type.
13967 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13969 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13972 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13975 * config/s390/s390.c (struct machine_function): New flag
13976 decomposed_literal_pool_addresses_ok_p.
13977 (s390_reorg): Set it before final stage of literal pool transforms.
13978 (s390_decompose_address): Only accept displacements of the form
13979 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13981 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13983 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13984 the comparison routine return.
13986 2006-01-30 Michael Matz <matz@suse.de>
13988 * global.c (find_reg): Only evict for global regs.
13989 Take n_refs into account and dump more info.
13991 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13994 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13995 (pragma_trap, pragma_nosave_low_regs): Likewise.
13996 (current_function_anonymous_args): Likewise.
13997 (sh_deferred_function_attributes): New variable.
13998 (sh_deferred_function_attributes_tail): Likewise.
13999 (print_operand): For '@', look up trap_exit attribute.
14000 (calc_live_regs): Look up trapa_handler attribute. For trapa
14001 handlers, save/restore fpscr, but don't do any other
14002 interrupt-specific saves.
14003 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
14004 Fix check for partially saved registers to check for SHmedia.
14005 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
14006 (sh_output_function_epilogue): Don't clear any of the removed
14008 (sh_insert_attributes): Don't check pragma_interrupt.
14009 Insert deferred attributes. Check that interrupt attribute is
14010 present for other attributes that require its presence.
14011 (sh_attribute_table): Add new attributes trapa_handler and
14013 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
14014 Don't check for pragma_interrupt. Don't store argument.
14015 * sh.h (pragma_interrupt, sp_switch): Don't declare.
14016 (sh_deferred_function_attributes): Declare.
14017 (sh_deferred_function_attributes_tail): Likewise.
14018 * sh.md (sp_switch_1): Add operand. Change generator caller.
14019 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
14020 (*return_i): Don't use when trap_exit attribute is in effect.
14021 (*return_trapa): New insn pattern.
14022 * sh-c.c: New file.
14023 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
14024 setting c_target_objs and cxx_target_objs.
14025 * t-sh: Add rule for sh-c.o.
14027 2006-01-30 Richard Guenther <rguenther@suse.de>
14030 * gimplify.c (gimplify_target_expr): Handle easy cases
14031 without creating a temporary.
14033 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
14035 * vec.h (safe_grow): Remove duplicated line.
14037 2006-01-29 Diego Novillo <dnovillo@redhat.com>
14040 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
14041 (expand_omp): ... here.
14042 (expand_omp_parallel): Only remove barriers for combined
14043 parallel+workshare constructs.
14045 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
14049 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
14050 * tree.c (build_qualified_type): Chain the new type to the original
14051 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
14052 a POINTER_TYPE or a REFERENCE_TYPE respectively.
14053 (build_pointer_type_for_mode): Only return unqualified types.
14054 (build_reference_type_for_mode): Likewise.
14056 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
14058 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
14059 * Makefile.in (CXX_COMPAT_WARN): Define.
14060 * configure: Regenerate.
14062 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
14065 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
14068 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14070 * toplev.c: Fix thinko.
14072 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
14073 Marcin Dalecki <martin@dalecki.de>
14075 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
14076 (push_srcloc): Use XNEW.
14077 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
14079 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
14081 * df-core.c (df_set_blocks): Deleted all variable.
14083 2006-01-28 Ian Lance Taylor <ian@airs.com>
14085 * cgraphunit.c (cgraph_assemble_pending_functions): Call
14086 cgraph_output_pending_asms.
14088 2006-01-28 Zack Weinberg <zackw@panix.com>
14090 * c.opt: Add -W(no-)overlength-strings.
14091 * doc/invoke.texi: Document it.
14092 * c-opts.c (c_common_handle_option): -pedantic implies
14093 -Woverlength-strings, if not explicitly disabled already.
14094 (c_common_post_options): -Woverlength-strings defaults to off, and
14095 is always off for C++.
14096 * c-common.c (fix_string_type): Issue warning about strings longer
14097 than is portable only if warn_overlength_strings. Rearrange code
14098 a little for clarity.
14099 * configure.in: Check for -Wno-overlength-strings as well before
14100 enabling -pedantic in stage 1.
14101 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
14102 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
14104 * genconditions.c (write_header, write_one_condition)
14105 (write_conditions, write_writer): Consolidate very long strings
14106 that were broken up to fit in C89 portable limit. Don't use
14107 printf when fputs will do.
14109 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
14111 * combine.c (simplify_comparison <AND>): Check
14112 TRULY_NOOP_TRUNCATION before start using a subreg.
14114 * config/mips/mips.md (*branch_zero<mode>,
14115 *branch_zero<mode>_inverted, *branch_equality<mode>,
14116 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
14117 Remove mode check from comparisons.
14119 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
14121 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
14123 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14125 * expmed.c (const_mult_add_overflow_p): Remove.
14126 * expr.h: Remove the prototype for const_mult_add_overflow_p.
14128 * recog.c (validate_replace_rtx_subexp): Remove.
14129 * recog.h: Remove the prototype for
14130 validate_replace_rtx_subexp.
14132 * integrate.h: Remove the prototype for
14133 copy_decl_for_inlining.
14134 * rtl.h: Remove the prototype for mark_constant_function.
14135 * tree-vectorizer.h: Remove the prototype for
14136 vect_strip_conversion.
14138 * modulo-sched.c (create_partial_schedule,
14139 free_partial_schedule, reset_partial_schedule): Make them
14142 * hooks.c (hook_bool_rtx_int_false): Remove.
14143 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
14145 2006-01-28 David Edelsohn <edelsohn@gnu.org>
14147 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14148 and -mlong-double-128 are incompatible.
14149 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
14150 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
14151 (TARGET_LIBGCC2_CFLAGS): Define.
14152 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
14153 (TARGET_LIBGCC2_CFLAGS): Same.
14154 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
14156 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
14159 * c-typeck.c (build_binary_op): Perform implicit casts of
14160 operands before shortening them.
14162 * cfgloopmanip.c (split_loop_bb): Remove.
14163 * cfgloop.h: Remove the prototype for split_loop_bb.
14165 * cfgloop.c (flow_loop_outside_edge_p): Remove.
14166 * cfgloop.h: Remove the prototype for
14167 flow_loop_outside_edge_p.
14169 * emit-rtl.c (init_virtual_regs): Make it static.
14170 * function.h: Remove the prototype for init_virtual_regs.
14172 * recog.c (peephole2_optimize): Make it static.
14173 * recog.h: Remove the prototype for peephole2_optimize.
14175 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14177 * df-scan.c (df_record_entry_block_defs): Check if
14178 INCOMING_RETURN_ADDR_RTX is defined.
14180 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14181 Kenneth Zadeck <zadeck@naturalbridge.com>
14183 PR rtl-optimization/24762
14184 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14185 * targhooks.c (hook_void_bitmap): New hook prototype.
14186 * targhoohs.h (hook_void_bitmap): Ditto.
14187 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14188 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14189 * target.h (live_on_entry): New function pointer.
14190 * df-scan.c (df_all_hard_regs): Removed.
14191 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14192 (df_scan_free_internal): Added df->entry_block_defs.
14193 (df_scan_alloc): Ditto.
14194 (df_scan_dump): Ditto.
14195 (df_uses_record): Plumbed flag field properly thru calls.
14196 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14197 This part fixes PR24762.
14198 (df_bb_refs_record): Added code to make the frame and arg
14199 pointers live in EH blocks.
14200 (df_refs_record): Added call to df_record_entry_block_defs.
14201 (df_record_entry_block_defs): New function.
14202 * df-core.c: Added comments to describe new artifical defs.
14203 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14204 (entry_block_defs): New field in struct df.
14205 (df_all_hard_regs): Deleted.
14206 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14207 * df-problems.c (df_ru_bb_local_compute_process_def):
14208 Added code to handle artifical defs in the entry to a function.
14209 (df_ru_bb_local_compute): Ditto.
14210 (df_rd_bb_local_compute_process_def): Ditto.
14211 (df_rd_bb_local_compute): Ditto.
14212 (df_lr_bb_local_compute): Ditto.
14213 (df_ur_bb_local_compute): Ditto.
14214 (df_urec_bb_local_compute): Ditto.
14215 (df_chain_create_bb): Ditto.
14216 (df_ur_local_finalize): Removed entry.
14217 (df_urec_init): Ditto.
14218 (df_urec_local_finalize): Ditto.
14219 (df_ri_bb_compute): Added detection of last use of pseudos.
14220 * Makefile.in (df-scan.o): Updated dependencies.
14221 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14222 * config/mips/mips.c (mips_set_live_on_entry): Added.
14223 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14225 * dce.c (marked_insn_p): Added code to handle artifical defs.
14227 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14229 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14231 (_mm_cvtsi128_si64): Likewise.
14232 (_mm_cvtsd_si64): Likewise.
14233 (_mm_cvttsd_si64): Likewise.
14234 (_mm_cvtsi64_sd): Likewise.
14235 (_mm_cvtsi64_si128): Likewise.
14236 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14237 (_mm_cvtsi64_m64): Likewise.
14238 (_m_to_int64): Likewise.
14239 (_mm_cvtm64_si64): Likewise.
14240 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14241 (_mm_cvttss_si64): Likewise.
14242 (_mm_cvtsi64_ss): Likewise.
14243 (_mm_cvtss_f32): Likewise.
14245 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14247 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14248 for pragma redefine_extname.
14250 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14253 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14254 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14255 -mno-minimal-toc to previous content.
14256 (bispecs): Remove goal.
14257 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14258 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14259 compatibility aliases on powerpc-*-*gnu*.
14260 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14261 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14262 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14263 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14264 (ldblspecs): New goal.
14265 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14266 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14268 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14269 L_sf_to_tf or L_df_to_tf is defined.
14271 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14272 Alan Modra <amodra@bigpond.net.au>
14275 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14276 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14277 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14278 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14279 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14280 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14281 (rs6000_override_options): Initialize rs6000_ieeequad.
14282 Initialize TFmode format to ibm_extended_format if not
14284 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14286 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14287 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14288 (function_arg_advance): IBM long double passed in two FPRs, not
14290 (function_arg): IBM long double passed in FPRs.
14291 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14292 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14293 Only multireg GPR aligned.
14294 (rs6000_init_libfuncs): Enable IBM long double functions if not
14296 (rs6000_generate_compare): Use IBM long double compare if not
14298 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14299 (TARGET_IEEEQUAD): Define.
14300 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14301 not TARGET_IEEEQUAD.
14302 * config/rs6000/rs6000.md: Enable TFmode patterns if
14304 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14305 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14306 and -mlong-double-128 are incompatible.
14307 * doc/invoke.texi (-mabi): Collect options together. Add
14308 ibmlongdouble and ieeelongdouble.
14310 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14312 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14314 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14315 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14316 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14317 * rtl.h (rtunion_def): Remove rt_ptr.
14319 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14320 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14321 * config/i386/winnt.c (i386_pe_mark_dllexport)
14322 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14324 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14326 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14328 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14332 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14333 pthread_key_delete. From John David Anglin. gthrw-ify
14334 pthread_getunique_np only if it it's not a macro. Delete
14336 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14337 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14338 __gthread_objc_condition_signal, __gthread_key_delete): Add
14339 "__attribute__ ((__unused__))" to unused arguments.
14340 (__gthread_recursive_mutex_init_function): Add missing return.
14341 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14342 gthr-posix95.h: Use macro-based approach for name redirection
14343 on targets missing weakref.
14345 2006-01-26 Zack Weinberg <zackw@panix.com>
14347 * genconditions.c (write_header): In generated code, #ifdef out
14348 all includes and fake declarations, except includes of bconfig.h
14349 and system.h, unless GCC_VERSION >= 3001. Do not include
14350 gensupport.h in any case.
14351 (write_conditions): Generate a definition of struct c_test. Add
14352 a comment to the generated #endif.
14353 (write_one_condition): Escape backslashes in string too.
14354 (write_writer): Generated code must escape backslashes and quote
14355 marks (but not newlines) in the strings it writes.
14356 * Makefile.in (build/gencondmd.o): Update dependencies.
14358 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14361 * Makefile.in (insn-automata.o): Add header file dependencies.
14362 * genautomata.c: Add includes.
14364 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14367 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14369 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14371 * configure.ac: Expect target tools paths to be passed from the toplevel
14372 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14374 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14376 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14379 * c.opt (Wpointer-sign): Init to -1.
14380 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14381 OPT_pedantic, to 0 otherwise.
14382 * doc/invoke.texi: Update.
14384 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14386 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14387 constants provided by 80387 instructions in the destination mode.
14389 2006-01-26 Richard Guenther <rguenther@suse.de>
14390 Andrew Pinski <pinskia@physics.uc.edu>
14393 partial PR tree-opt/17064
14394 * tree-ssa-structalias.c (intra_create_variable_infos):
14395 Create heap variables for incoming parameters if
14396 flag_argument_noalias > 1.
14397 (find_what_p_points_to): Look through default defs of
14400 2006-01-26 Jeff Law <law@redhat.com>
14403 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14404 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14405 within the VR_RANGE, use the VR_RANGE as the result, not the
14407 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14408 bounds for the type.
14410 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14412 * tree-ssa-alias.c (maybe_create_global_var): Change
14413 subvar walking to an assertion that we don't have subvar'd variables.
14415 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14418 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14419 Use a new variable, inner. PARM_DECLs are always non-weak.
14421 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14423 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14424 --disable-checking.
14426 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14428 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14430 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14432 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14433 (smax_insn, smin_insn, smax_0, smin_0): New.
14435 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14438 * config/cris/cris.c (cris_order_for_addsi3): New function.
14439 * config/cris/cris-protos.h: Prototype it.
14440 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14441 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14442 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14443 (split for "op.S1 [rx=rx+i],ry (swapped)")
14444 (split for "op(s|u).S1 [rx=rx+i],ry")
14445 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14446 Apply cris_order_for_addsi3 when generating addsi3 insns.
14448 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14450 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14451 (TREE_BLOCK): Add call to EXPR_CHECK.
14453 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14456 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14457 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14458 (dump_omp_clauses): ... here.
14459 (dump_generic_node): Handle OMP_CLAUSE.
14460 * tree.c (omp_clause_num_ops): New.
14461 (omp_clause_code_name): New.
14462 (tree_code_size): Handle OMP_CLAUSE.
14463 (tree_size): Likewise.
14464 (make_node): Document handling of OMP_CLAUSE.
14465 (tree_node_structure): Handle OMP_CLAUSE.
14466 (omp_clause_check_failed): New.
14467 (omp_clause_range_check_failed): New.
14468 (omp_clause_operand_check_failed): New.
14469 (build_omp_clause): New.
14470 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14471 * tree.h (enum omp_clause_code): Declare.
14472 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14473 (OMP_CLAUSE_RANGE_CHECK): Define.
14474 (OMP_CLAUSE_ELT_CHECK): Define.
14475 (omp_clause_check_failed): Declare.
14476 (omp_clause_operand_check_failed): Declare.
14477 (omp_clause_range_check_failed): Declare.
14478 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14479 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14480 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14481 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14482 (OMP_CLAUSE_IF_EXPR): Likewise.
14483 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14484 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14485 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14486 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14487 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14488 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14489 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14490 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14491 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14492 (OMP_CLAUSE_CODE): Define.
14493 (OMP_CLAUSE_SET_CODE): Define.
14494 (OMP_CLAUSE_CODE): Define.
14495 (OMP_CLAUSE_OPERAND): Define.
14496 (struct tree_omp_clause): Declare.
14497 (union tree_node): Add field 'omp_clause'.
14498 * treestruct.def (TS_OMP_CLAUSE): Define.
14499 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14500 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14501 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14502 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14503 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14504 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14505 (OMP_CLAUSE): Define.
14506 * print-tree.c (print_node): Handle OMP_CLAUSE.
14507 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14508 * c-typeck.c: Likewise.
14509 * gimplify.c: Likewise.
14510 * c-omp.c: Likewise.
14511 * tree-nested.c: Likewise.
14512 * tree-inline.c: Likewise.
14513 * c-parser.c: Likewise.
14514 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14517 2006-01-25 Roger Sayle <roger@eyesopen.com>
14519 PR rtl-optimization/25703
14520 * combine.c (try_combine): Handle zero_extract and strict_low_part
14521 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14523 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14525 * global.c: Fix comment typos.
14527 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14530 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14531 Use output_addr_const instead of assemble_name.
14533 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14535 * Makefile.in (sched-vis.o): Update dependencies.
14536 * haifa-sched.c (sched_finish): Clear current_sched_info.
14537 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14538 (dump_flow_info): Call it.
14539 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14541 * basic-block.h (dump_bb_info): Declare.
14542 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14543 option, and apply options only for dump files whose TDF_RTL,
14544 TDF_TREE, or TDF_IPA bits match.
14545 * rtl.h: Declare new functions exported from sched-vis.c.
14546 * sched-vis.c: Enable also if scheduling is not used.
14547 (print_value): Print the mode of registers if not inside scheduling.
14548 (print_insn): Make it work outside the scheduler. Beautify the output
14550 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14552 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14554 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14555 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14556 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14557 depending on the value of CONSTANT_POOL_ADDRESS_P.
14558 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14560 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14561 rather than SYMBOL_REF_DECL.
14562 (rtx_constant_pool): Remove const_rtx_sym_htab.
14563 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14564 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14565 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14566 Remove handling of const_rtx_sym_htab.
14567 (find_pool_constant): Delete.
14568 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14569 rather than find_pool_constant.
14570 (get_pool_constant_for_function): Delete.
14571 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14572 find_pool_constant.
14573 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14574 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14575 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14576 (SYMBOL_REF_CONSTANT): New macro.
14577 (get_pool_constant_for_function): Delete.
14578 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14579 rather than SYMBOL_REF_DECL.
14580 (i386_pe_mark_dllimport): Likewise.
14581 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14582 rather than SYMBOL_REF_DECL.
14583 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14584 (machopic_indirect_call_target): Likewise.
14586 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14588 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14590 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14592 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14594 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14596 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14598 2006-01-24 David Daney <ddaney@avtrex.com>
14601 * configure.ac (enable_tls): New enable option.
14602 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14603 * configure: Regenerate.
14604 * doc/install.texi (--enable-tls): Document new option.
14605 (--disable-tls): Ditto.
14607 2006-01-24 Richard Henderson <rth@redehat.com>
14609 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14610 * alias.c (true_dependence): Respect it.
14611 (canon_true_dependence, write_dependence_p): Likewise.
14612 * builtins.c (get_builtin_sync_mem): Set it.
14614 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14616 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14619 2006-01-24 DJ Delorie <dj@redhat.com>
14621 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14622 for storing constants in single-bit bitfields.
14624 2006-01-25 Ben Elliston <bje@au.ibm.com>
14626 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14628 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14631 * tree-ssa-pre.c (phi_translate): Return NULL
14632 for AGGREGATE_TYPE's.
14634 2006-01-24 Zack Weinberg <zackw@panix.com>
14636 * genautomata.c (process_state_for_insn_equiv_partition):
14637 Use xcalloc for insn_arcs_array.
14638 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14639 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14641 2006-01-24 Richard Henderson <rth@redhat.com>
14643 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14644 update all callers.
14646 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14648 PR rtl-optimization/25890
14649 PR rtl-optimization/25905
14650 * combine.c (expand_compound_operation, expand_field_assignment):
14651 Fail if the bitfield's final position is out of bounds.
14653 2006-01-24 Ian Lance Taylor <ian@airs.com>
14655 PR middle-end/25930
14656 * cgraphunit.c (cgraph_output_in_order): Don't clear
14657 cgraph_asm_nodes until after asm strings have been output.
14659 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14661 * fix-header.c (read_scan_file): Add new parameter imultilib when
14662 calling register_include_chains.
14664 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14666 * omp-low.c: Update documentation.
14668 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14669 Daniel Berlin <dberlin@dberlin.org>
14673 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14674 return from the function.
14676 2006-01-22 Zack Weinberg <zackw@panix.com>
14678 * rtl.def (match_code): Add second argument.
14679 * genpreds.c (write_extract_subexp): New function.
14680 (write_match_code): Add path argument. Use write_extract_subexp.
14681 (write_predicate_expr): Pass path to write_match_code.
14682 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14683 not perform a mode test.
14684 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14685 a subexpression does not constrain the top-level code set.
14686 * read-rtl.c (read_rtx_variadic): New function.
14687 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14688 * doc/md.texi: Document new notation.
14689 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14690 (cmpsi_operand): ... here, using new notation.
14692 2006-01-22 Zack Weinberg <zackw@panix.com>
14694 * varray.c: Remove GENERATOR_FILE #ifdefs.
14696 2006-01-22 Zack Weinberg <zackw@panix.com>
14698 * genautomata.c (output_reserved_units_table): Emit nothing if
14699 description->query_units_num is zero. Remove extra blank line.
14700 (output_cpu_unit_reservation_p): Short circuit
14701 if description->query_units_num is zero.
14703 2006-01-22 Zack Weinberg <zackw@panix.com>
14705 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14706 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14707 nor any of the random handful of variables that used to be necessary
14708 when this program was linked with rtlanal.o. Prune set of forward
14709 function declarations.
14710 (struct attr_desc): Remove static_p field.
14711 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14712 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14713 (attr_string): Do not read the character one past the length of
14715 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14716 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14717 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14718 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14719 (make_automaton_attrs): New.
14720 (main): Do not call into genautomata. Call local gen_bypass
14721 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14722 Remove special case for insn_alts.
14723 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14724 varray.h (leftover from previous change). Prune set of forward
14725 function declarations. Remove state_alts fields from all
14726 structures. Remove state_alts_table from struct automaton.
14727 Make everything except main static. Do not maintain num_dfa_decls.
14728 Do not maintain state_alts fields of various structures.
14729 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14730 (add_arc): Remove state_alts argument. All callers updated.
14731 (output_reserved_units_table): Emit #ifdef here...
14732 (output_tables): ...not here. Don't generate state_alts tables.
14733 (expand_automata): Don't generate attributes.
14734 (write_automata): Don't generate state_alts functions.
14735 (main): New function.
14736 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14737 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14738 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14739 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14740 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14741 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14742 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14743 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14745 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14746 * genattrtab.h: Delete file.
14747 * Makefile.in (OBJS-common): Add insn-automata.o.
14748 (insn-automata.o): New rule.
14749 (simple_generated_c): Add insn-automata.c.
14750 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14751 (genprogmd): Add automata.
14752 (build/genattrtab): Needs no extra objects nor libraries.
14753 (build/genautomata): Needs build/vec.o and -lm.
14755 2006-01-22 Zack Weinberg <zackw@panix.com>
14757 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14758 (output_dfa_max_issue_rate, locked_states_num): Delete.
14759 (struct automaton): Add locked_states field.
14760 (output_dead_lock_vect): Save number of locked states in
14761 automaton->locked_states. If it is zero, don't print anything.
14762 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14763 (output_internal_dead_lock_func): Only test the dead_lock_vect
14764 for automata that have locked states.
14765 (output_statistics): Always print the number of locked states for
14766 each automaton. Calculate total number of locked states here.
14767 (write_automata): Don't call output_dfa_max_issue_rate.
14768 * genattrtab.c: Define length_unit_log as a const variable.
14769 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14770 max_insn_queue_index const.
14771 * final.c (length_unit_log): Declare const.
14772 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14774 2006-01-22 Zack Weinberg <zackw@panix.com>
14776 * genautomata.c: Include vec.h, not varray.h.
14777 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14778 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14779 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14780 VEC_* macros operating on appropriately typed vectors, or to
14781 malloced arrays when the size is known in advance. Const-ify
14782 many char* variables and function arguments. No functional changes.
14783 * Makefile.in (build/varray.o): Delete rule.
14784 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14785 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14787 2006-01-22 Zack Weinberg <zackw@panix.com>
14789 * gensupport.c: Define get_insn_name and record_insn_name here.
14790 (read_md_rtx): Call record_insn_name as appropriate.
14791 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14792 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14793 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14795 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14796 (BUILD_VARRAY): Delete.
14797 (genprognormal): Rename genprogmd. Fold in all programs from
14798 genprognoprint; also attrtab.
14799 (build/genattrtab): Just mention genautomata.o and varray.o.
14800 Reorganize a bit, add comments to make the categories clearer.
14802 2006-01-22 Zack Weinberg <zackw@panix.com>
14804 * genconditions.c (condition_table, add_condition): Delete.
14805 (write_conditions): Don't emit n_insn_conditions nor
14806 insn_elision_unavailable. Issue the gcc version #ifdef here,
14807 inside the table, with no #else clause ...
14808 (write_header): ...not here.
14809 (write_writer): New function.
14810 (main): Don't initialize condition_table. Use add_c_test.
14812 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14813 files on the command line.
14814 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14815 Return -1 if there is no entry in the table, don't abort.
14816 (add_c_test, traverse_c_tests): New functions.
14817 * gensupport.h (insn_elision_unavailable, insn_conditions)
14818 (n_insn_conditions): Delete declarations.
14819 (add_c_test, traverse_c_tests): Declare.
14820 * read-rtl.c: Include gensupport.h.
14821 (read_conditions): New function.
14822 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14823 (read_rtx_1): If we get EOF when we were looking for an initial
14824 open paren, return 0. Call read_conditions when appropriate.
14825 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14826 dummy-conditions.o. Eliminate references to insn-conditions.o,
14827 or change them to build/gencondmd.o, as appropriate. Remove
14828 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14829 from $(simple_generated_c). For all files remaining in those
14830 two lists, add insn-conditions.md to the generator command line.
14831 Give insn-constants.h/s-constants their own rules. Add rules
14832 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14833 (build/read-rtl.o): Depend on gensupport.h.
14834 (genprognormal): Include preds.
14835 (genprogearly): Rename genprognoprint; only difference is now that
14836 they don't link with $(BUILD_PRINT).
14837 * dummy-conditions.c: Delete.
14839 2006-01-22 Zack Weinberg <zackw@panix.com>
14841 * genextract.c: Don't include insn-config.h. Do include vec.h.
14842 Declare vectors of int, char, and locstr.
14843 (locstr): New typedef.
14844 (struct extraction): Make all array fields into bare pointers.
14845 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14846 (insn_code_number): Delete.
14847 (accum_extract): New struct.
14848 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14849 (gen_insn): Take insn_code_number as an argument. Use an
14850 accum_extract structure instead of loading data directly into
14851 a struct extraction, and having to know how big it might get.
14852 (walk_rtx): Operate entirely on an accum_extract structure.
14853 (print_path): Avoid unnecessary use of printf.
14854 (print_header): New function, split out of main. Distinguish
14855 more carefully between an unrecognizable insn and an insn that
14856 has the code number of a define_expand.
14857 (main): Pass insn_code_number to gen_insn. Call print_header
14858 only after parsing. Avoid unnecessary use of printf.
14859 * Makefile.in (build/vec.o): New rule.
14860 (build/genextract): Depend on build/vec.o.
14861 (build/genextract.o): Don't depend on insn-config.h.
14863 2006-01-22 Zack Weinberg <zackw@panix.com>
14865 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14866 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14867 practical. Eliminate per-generator-program link rules.
14869 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14871 PR middle-end/24437
14872 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14873 with a call expr to ...
14874 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14876 2006-01-23 Richard Guenther <rguenther@suse.de>
14878 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14879 before make_edge with conditional EDGE_TRUE_VALUE.
14881 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14882 Jan Hubicka <jh@suse.cz>
14883 Richard Guenther <rguenther@suse.de>
14885 PR rtl-optimization/25654
14886 * cfgexpand.c (aggregate_contains_union_type): New function.
14887 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14888 for structure variables that contain a union type.
14890 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14892 * gengtype.c (new_structure): Return the structure.
14893 (create_option): Add an extra "next" argument.
14894 (create_field): New function.
14895 (adjust_field_rtx_def): Use create_option and create_field.
14896 Remove a now-unnecessary call to find_structure.
14897 (adjust_field_tree_def): Likewise.
14898 (note_yacc_type): Remove an unnecessary call to find_structure.
14899 * gengtype.h (new_structure): Return the structure.
14900 (create_option): Add an extra argument.
14901 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14902 (option): Adjust calls to create_option.
14904 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14906 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14908 2006-01-22 Paul Brook <paul@codesourcery.com>
14909 Peter Barada <peter@the-baradas.com>
14911 * config/m68k/m68k.md: Add Coldfire FPU support.
14912 Define FP mode macro and associated attributes.
14913 Use it for float mode patterns.
14914 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14915 (LIBCALL_VALUE): Use m68k_libcall_value.
14916 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14917 (m68k_function_value): Ditto.
14918 (emit_move_sequence): Ditto.
14919 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14920 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14921 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14922 (MULTILIB_EXCEPTIONS): Ditto.
14923 * config/m68k/m68k.opt: Add mcfv4e.
14924 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14925 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14926 (m68k_output_function_prologue): Save ColdFire FPU registers.
14927 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14928 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14929 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14930 ColdFire FPU registers.
14931 (m68k_libcall_value, m68k_function_value): New functions.
14932 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14933 (LIBCALL_VALUE): Use m68k_libcall_value.
14934 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14935 (MASK_COLDFIRE): Add MASK_CFV4E.
14936 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14937 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14938 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14939 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14940 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14941 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14942 * doc/invoke.tex: Document -mcfv4e on m68k.
14944 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14946 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14949 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14952 * c-opts.c (c_common_handle_option): Don't include
14953 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14954 * doc/invoke.texi (C++ Dialect Options): Document that
14955 -Wnon-virtual-dtor is no longer included in -Wall.
14957 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14959 * gcov.c (print_version), gcov-dump.c (print_version),
14960 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14963 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14965 * df-scan.c (problem_SCAN): Added NULL reset function.
14966 (df_scan_reset_blocks): Added code to call reset block function
14967 (df_bb_refs_delete) Fixed comment.
14968 (df_insn_refs_delete): Made tolerant of deleting non existent info
14969 for dataflow problems that need to be reset.
14970 * df-core.c (df_set_blocks): Ditto.
14971 * df.h (struct df_problem): Added reset_fun.
14972 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14973 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14974 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14975 functions to clear out all references to def-use or use-def chains.
14977 2006-01-21 Ben Elliston <bje@au.ibm.com>
14979 * varasm.c (assemble_real): Initialise data array.
14981 2006-01-20 Paul Brook <paul@codesourcery.com>
14983 Merge from csl-arm-branch.
14984 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14985 * config/arm/arm.md (movdi): Force operands[1] to a register
14986 if we have a non-register source.
14987 (*arm_movdi, *movdf_soft_insn): Require that one of the
14988 operands be a register.
14989 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14990 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14992 2006-01-20 DJ Delorie <dj@redhat.com>
14994 * varasm.c (initializer_constant_valid_p): Allow pointers
14995 initialized from integer constants of lesser precision.
14996 (output_constant): Allow non-int-sized pointer modes to be
14997 initialized from integer constants.
14999 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
15002 * cppdefault.h (struct default_include): Add multilib flag.
15003 * cppdefault.c (cpp_include_defaults): Set it.
15004 * c.opt (-imultilib): New option.
15005 * c-opts.c (imultilib): New.
15006 (c_common_handle_option): Handle -imultilib.
15007 (c_common_post_options): Likewise.
15008 * c-incpath.c (add_standard_paths, register_include_chains):
15010 * c-incpath.h (register_include_chains): Add extra parameter.
15011 * gcc.c (do_spec_1): Generate -imultilib option.
15012 (The Specs Language): Update %I description.
15013 (process_command): Update copyright notice.
15014 * doc/cppopts.texi (-imultilib): Document.
15015 * doc/invoke.texi (-imultilib): Include in option summary.
15016 (%I): Update specs documentation.
15018 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15020 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
15022 2006-01-20 Richard Sandiford <richard@codesourcery.com>
15024 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
15027 2006-01-20 Richard Guenther <rguenther@suse.de>
15028 Steven Bosscher <stevenb.gcc@gmail.com>
15030 PR rtl-optimization/24626
15031 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
15032 EDGE_TRUE_VALUE if in RTL mode.
15035 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
15036 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
15038 2006-01-20 Dirk Mueller <dmueller@suse.com>
15041 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
15042 instead of a special NOP marker.
15043 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
15044 NOP marker handling.
15045 * c-common.h (empty_body_warning): Add forward declaration.
15046 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
15047 Now uses IS_EMPTY_STMT() instead of special NOP markers.
15049 2006-01-20 Paul Brook <paul@codesourcery.com>
15051 * Makefile.in (lang_checks): Keep going if mkdir fails.
15053 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15055 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
15056 be able to clean out basic block when not necessary.
15057 (df_scan_free): Fixed to properly delete information if df is
15058 unused before calling df_finish.
15059 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
15060 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
15062 (df_bb_refs_delete): New function.
15063 (df_refs_delete): Moved per block code to df_bb_refs_delete.
15064 * df-core.c (df_set_blocks): Added code to properly clean out
15065 unused blocks if they are not part of the blocks to consider.
15066 Added additional null check.
15067 (df_compact_blocks): Added basic block parameter to free_bb_fun to
15068 be able to clean out basic block when not necessary
15069 * df.h (df_free_bb_function): Ditto.
15070 (df_bb_refs_delete): New function.
15071 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
15072 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
15073 basic block parameter to be able to clean out basic block when not
15075 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
15076 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
15077 Fixed to properly delete information if df is unused before
15080 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
15082 PR rtl-optimization/25799
15083 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
15084 Corrected confluence operator to remove bits from op2 before oring
15085 with op1 rather than removing bits from op1.
15086 (df_ru_transfer_function): Corrected test on wrong bitmap which
15087 caused infinite loop. Both of these problems were introduced in
15088 the dataflow rewrite.
15090 2006-01-19 DJ Delorie <dj@redhat.com>
15092 * reload1.c (find_reload_regs): Note the details of reload
15093 failures in the dump file.
15094 (spill_failure): Likewise.
15096 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
15098 * loop-iv.c: Include df.h and hashtab.h.
15099 (enum iv_grd_result): New enum.
15100 (DF_REF_IV, DF_REF_IV_SET): New macros.
15101 (struct biv_entry): New.
15102 (df, bivs): New global variables.
15103 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
15104 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
15106 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
15107 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
15108 analyzed_for_bivness_p, record_biv): New functions.
15109 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
15110 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
15111 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
15113 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
15115 (iv_number_of_iterations): Use new interface to iv analysis.
15116 * loop-unroll.c: Do not include varray.h.
15117 (analyze_iv_to_split_insn): Use new interface to iv
15119 * loop-unswitch.c (may_unswitch_on): Ditto.
15120 * df.c (df_bitmaps_free): Only work for bbs for that structures are
15122 (df_bb_modify): Realloc tables to the new index.
15123 (df_find_use): New function.
15124 * df.h (df_find_use): Declare.
15125 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
15127 * cfgloop.h (struct rtx_iv): Remove analysed field.
15128 (iv_get_reaching_def): Removed.
15129 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
15130 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
15131 (loop-iv.o): Add df.h and hashtab.h dependency.
15132 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
15134 2006-01-20 Alan Modra <amodra@bigpond.net.au>
15137 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
15139 (__floatundisf, __floatundidf): Likewise.
15140 * libgcc2.h (IS_IBM_EXTENDED): Define.
15142 2006-01-19 DJ Delorie <dj@redhat.com>
15144 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
15146 2006-01-19 Paul Brook <paul@codesourcery.com>
15148 * config/arm/arm.c (arm_compute_func_type): Treat all functions
15149 as nothrow when unwinding tables are disabled.
15151 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15154 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
15155 of bit-field" when in system header.
15157 2006-01-19 DJ Delorie <dj@redhat.com>
15159 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
15160 the 16 bit shift limit of the m16c.
15162 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
15165 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
15166 * config/i386/i386.c (output_set_got): Output the label if we have one
15167 for the TARGET_DEEP_BRANCH_PREDICTION case.
15169 2006-01-19 Jan Hubicka <jh@suse.cz>
15170 H.J. Lu <hongjiu.lu@intel.com>
15171 Evandro Menezes <evandro.menezes@amd.com>
15173 * invoke.texi (generic): Document
15175 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15176 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15177 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15178 (x86_use_incdec, x86_pad_returns): New variables
15179 (TARGET_CPU_DEFAULT_generic): New constant
15180 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15181 (enum processor_type): Add generic32 and generic64.
15182 * i386.md (cpu attribute): Add generic32/generic64
15183 (movhi splitter): Behave sanely when both partial_reg_dependency and
15184 partial_reg_stall are set.
15185 (K8 splitters): Enable for generic as well.
15186 * predicates.md (incdec_operand): Use TARGET_INCDEC
15187 (aligned_operand): Avoid memory mismatch stalls.
15188 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15189 * ppro.md: Enable for generic32
15190 * i386.c (generic64_cost, generic32_cost): New.
15191 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15192 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15193 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15194 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15195 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15196 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15197 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15198 x86_accumulate_outgoing_args, x86_prologue_using_move,
15199 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15200 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15201 Enable for generic.
15202 (x86_use_incdec, x86_pad_returns): New.
15203 (override_options): Add generic32 and generic64, translate "generic"
15204 to generic32/generic64 and "i686" to "generic32", refuse
15205 "generic32"/"generic64" as arch target.
15206 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15207 (ix86_reorg): Honor PAD_RETURNS.
15209 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15211 * tree-pretty-print.c (dump_generic_node): Handle
15212 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15213 * cgraph.c (cgraph_expand_queue): Rename from
15214 cgraph_analyze_queue. Update all users.
15215 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15216 cgraph_expand_queue.
15217 (cgraph_expand_all_functions): Likewise.
15218 (cgraph_finalize_pending_functions): Remove. Update callers.
15220 * tree.h (OMP_DIRECTIVE_P): Define.
15221 (OMP_PARALLEL_FN): Define.
15222 (OMP_PARALLEL_DATA_ARG): Define.
15223 (OMP_SECTIONS_SECTIONS): Define.
15224 * tree-pass.h (pass_expand_omp): Declare.
15225 * omp-low.c (struct omp_region): Declare.
15226 (struct omp_context): Remove fields 'parallel_type',
15227 'parallel_start_ix' and 'parallel_start_additional_args'.
15229 (struct omp_for_data): Rename from struct expand_omp_for_data.
15230 (omp_regions): New static variable.
15231 (root_omp_region): New static variable.
15232 (find_omp_clause): Make static.
15233 (is_in_combined_parallel_ctx): Remove.
15234 (is_combined_parallel): New.
15235 (extract_omp_for_data): Move earlier in the file.
15236 (workshare_safe_to_combine_p): New.
15237 (get_ws_args_for): New.
15238 (determine_parallel_type): Move earlier in the file.
15239 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15241 (omp_copy_decl): Likewise.
15242 (create_omp_child_function): Likewise.
15243 (lookup_omp_region): New.
15244 (dump_omp_region): New.
15245 (debug_omp_region): New.
15246 (debug_all_omp_regions): New.
15247 (new_omp_region): New.
15248 (scan_omp_parallel): If parallel_nesting_level > 1, the
15249 directive is nested within another parallel directive.
15250 Set OMP_PARALLEL_FN.
15251 (scan_omp_for): Do not try to handle combined parallel+for
15253 Remove FIXME comment.
15254 (scan_omp_nested): Remove.
15255 (scan_omp_1): Do not call scan_omp_nested when
15256 parallel_nesting_level is > 1.
15257 Do not change the DECL_CONTEXT of local variables found.
15258 (lookup_decl_in_outer_ctx): New.
15259 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15260 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15261 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15262 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15263 If CTX is nested, lookup VAR in the outer context when
15264 building copy assignment.
15265 (lower_send_clauses): Rename from expand_send_clauses.
15266 If CTX is nested, lookup VAR in the outer context when
15267 building copy assignments.
15268 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15269 If CTX is nested, lookup VAR in the outer context when
15270 building copy assignments.
15271 (expand_parallel_call): Rename from build_parallel_call.
15272 Handle combined parallel+workshare cases.
15273 Re-implement to emit code into the CFG.
15275 (expand_omp_parallel): Re-implement to emit code into the CFG.
15276 Call move_sese_region_to_fn to outline the sub-graph
15277 containing the parallel region.
15278 (expand_omp_for_1): Remove.
15279 (expand_omp_for_generic): Re-implement to emit code into the
15281 (expand_omp_for_static_nochunk): Likewise.
15282 (expand_omp_for_static_chunk): Likewise.
15283 (expand_omp_for): Likewise.
15284 (expand_omp_sections): Likewise.
15285 (remove_exit_barriers): New.
15286 (expand_omp_synch): New.
15288 (build_omp_regions_1): New.
15289 (build_omp_regions): New.
15290 (execute_expand_omp): New.
15291 (gate_expand_omp): New.
15292 (pass_expand_omp): Define.
15293 (lower_omp_sections): Rename from expand_omp_sections.
15294 Set OMP_SECTIONS_SECTIONS.
15295 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15296 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15297 (lower_omp_single): Rename from expand_omp_simple.
15298 (lower_omp_master): Rename from expand_omp_master.
15299 (lower_omp_ordered): Rename from expand_omp_ordered.
15300 (lower_omp_critical): Rename from expand_omp_critical.
15301 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15302 (lower_omp_for): Re-implement.
15303 (lower_omp_parallel): Re-implement.
15304 (lower_regimplify): Rename from expand_regimplify.
15305 (lower_omp_1): Rename from expand_omp_1.
15306 If there are syntax errors in the program, replace every
15307 OpenMP directive with NOP.
15308 Call lower_omp_* instead of expand_omp_*.
15309 (lower_omp): Rename from expand_omp.
15311 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15312 * tree-gimple.h (enum omp_parallel_type): Remove.
15313 (gimple_boolify): Declare extern.
15314 (find_omp_clause, determine_parallel_type): Remove.
15316 * gimple-low.c (lower_omp_directive): New.
15317 (lower_stmt): Call it.
15318 (record_vars_into): Move from ...
15319 (record_vars): ... here.
15320 Call record_vars_into with current_function_decl.
15322 * gimplify.c (struct gimplify_ctx): Remove fields
15323 combined_pre_p and combined_ctxp. Update users.
15324 (get_formal_tmp_var): Add documentation.
15325 (gimple_boolify): Make extern.
15326 (gimplify_expr_in_ctx): Remove. Update callers.
15327 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15328 will always be a BIND_EXPR.
15329 (gimplify_expr): Handle OMP_RETURN_EXPR.
15330 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15331 (OMP_PARALLEL): Add 3 operands.
15332 (OMP_SECTIONS): Add 1 operand.
15333 (OMP_RETURN_EXPR): Define.
15335 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15336 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15337 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15338 creating a circular free list.
15339 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15341 * tree-flow.h (move_sese_region_to_fn): Declare.
15342 (record_vars_into): Declare.
15343 * tree-cfg.c (make_omp_sections_edges): New.
15344 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15345 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15346 OMP_SECTIONS and OMP_SECTION.
15347 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15348 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15349 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15350 (gather_blocks_in_sese_region): New.
15351 (struct move_stmt_d): Declare.
15352 (move_stmt_r): New.
15353 (move_block_to_fn): New.
15354 (move_sese_region_to_fn): New.
15356 * passes.c (init_optimization_passes): Schedule
15357 pass_expand_omp after pass_init_datastructures.
15359 * tree-ssa-operands.c (get_expr_operands): Handle
15360 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15361 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15363 2006-01-19 Jeff Law <law@redhat.com>
15365 * tree-vrp.c (extract_range_from_assert): Refine the result range
15366 if the variable referenced by the ASSERT_EXPR has a range and
15367 either the tentative result range or the previous range is a
15370 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15372 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15374 2006-01-19 Jan Hubicka <jh@suse.cz>
15376 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15378 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15380 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15381 (expand_compound_operation, expand_field_assignment): Fail if the
15382 bit lengths of an extract operation are out of range.
15383 (make_extraction): Compute wanted_inner_mode based on the position
15384 and length of the extraction. Make it extraction_mode for non-constant
15385 positions, and do not modify offset in that case. When generating a
15386 new MEM, use a mode that can hold the extraction while keeping correct
15387 alignment. Remove code that supported MEMs wrapped by USEs.
15388 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15390 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15392 * config/s390/s390.md ("Y", "y"): New mode attribute.
15393 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15394 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15395 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15396 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15397 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15398 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15399 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15400 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15401 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15402 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15403 "addsi3", "subsi3"): Insn patterns removed.
15404 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15405 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15406 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15407 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15408 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15409 "*sub<mode>3_cconly2"): New insn patterns.
15410 ("addsi3", "subsi3"): New expanders.
15412 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15414 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15415 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15416 existing STMT_VINFO_VECTYPE if available.
15417 (vect_mark_relevant): Add special handling for stmts that are
15418 marked as STMT_VINFO_IN_PATTERN_P.
15419 (vect_analyze_loop): Call vect_pattern_recog.
15420 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15421 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15423 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15424 (vect_recog_func_ptr): New function-pointer type.
15425 * tree-vect-patterns.c: New file.
15426 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15427 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15428 (vect_pattern_recog_1): New functions.
15429 (vect_pattern_recog_funcs): New array of function pointers.
15431 * tree-vectorizer.h (ternary_op): New enum value.
15432 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15433 declaration. Revised documentation. Removed redundant dump prints.
15434 Removed redundant argument. Added support for reduction patterns.
15435 (vectorizable_reduction): Added support for reduction patterns.
15436 (vect_transform_stmt): Added support for patterns.
15438 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15439 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15440 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15441 (expand_widen_pattern_expr): New function.
15442 (init_optabs): Initialize new optabs udot_prod_optab,
15444 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15445 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15446 (expand_widen_pattern_expr): New function declaration.
15447 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15449 * tree-inline.c (estimate_num_insns_1): Added cases for new
15450 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15451 * tree-pretty-print.c (dump_generic_node): Likewise.
15452 (op_prio): Likewise.
15453 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15454 * tree-ssa-operands.c (get_expr_operands): Added case for
15456 * tree-vect-patterns.c (widened_name_p): New function.
15457 (vect_recog_dot_prod_pattern): Added function implementation.
15458 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15459 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15460 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15461 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15463 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15464 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15465 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15466 (init_optabs): Initialize new optabs widen_ssum_optab,
15468 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15469 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15470 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15471 use instead of type of def.
15472 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15473 function implementation.
15474 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15475 widen_ssumv8hi): New.
15477 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15480 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15483 * c-decl.c (add_flexible_array_elts_to_size): New function.
15484 (finish_decl): Use it.
15486 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15488 * diagnostic.h: Include options.h.
15489 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15490 dependancies for diagnostic.h.
15491 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15493 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15495 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15496 (ssa_ro_call_cache_valid): Ditto.
15497 * tree-ssa-alias.c (sort_tags_by_id): New function.
15498 (init_transitive_clobber_worklist): Ditto.
15499 (add_to_worklist): Ditto.
15500 (mark_aliases_call_clobbered): Ditto.
15501 (compute_tag_properties): Ditto.
15502 (set_initial_properties): Ditto.
15503 (compute_call_clobbered): Ditto.
15504 (compute_may_aliases): Call compute_call_clobbered and grouping.
15505 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15506 (compute_flow_insensitive_aliasing): Grouping now happens in our
15508 (setup_pointers_and_addressables): Remove clobbering related code.
15509 (add_may_alias): Ditto.
15510 (replace_may_alias): Ditto.
15511 (get_nmt_for): Ditto.
15512 (create_global_var):
15513 (is_escape_site): Return an escape_type enumeration.
15514 * tree-flow-inline.h (is_call_clobbered): Global var does not
15515 imply call clobbered.
15516 (mark_call_clobbered): Take a reason for marking this. Remove
15517 marking of globalness, and cache invalidation.
15518 (clear_call_clobbered): Remove cache invalidation code.
15519 * tree-dfa.c (dump_variable): If details is on, dump the reason
15521 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15523 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15524 (struct var_ann_d): Ditto.
15525 (enum escape_type): New.
15526 (mark_call_clobbered): Adjust prototype.
15527 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15528 are never call clobbered.
15529 Record reasons for escaping.
15530 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15531 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15532 (ssa_ro_call_cache_valid): Ditto.
15533 (clobbered_v_may_defs): Ditto.
15534 (clobbered_vuses): Ditto.
15535 (ro_call_vuses): Ditto.
15536 (clobber_stats): New.
15537 (init_ssa_operands): Zero out clobber stats.
15538 (fini_ssa_operands): Print out clobber stats.
15539 (get_call_expr_operands): Pass callee fndecl to
15540 add_call_read_ops).
15541 (add_call_clobber_ops): Remove use of cache.
15542 Add use of PURE_CONST information.
15543 (add_call_read_ops): Remove use of cache.
15544 Add use of static not_read information.
15546 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15548 Introduce TLS descriptors for i386 and x86_64.
15549 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15550 (TARGET_ANY_GNU_TLS): New macro.
15551 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15552 (struct machine_function): Add tls_descriptor_call_expanded_p.
15553 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15554 (ix86_current_function_calls_tls_descriptor): Likewise.
15555 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15556 (override_options): Introduce gnu2 tls dialect.
15557 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15559 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15561 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15562 (ix86_init_machine_status): Initialize new field.
15563 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15564 (ix86_tls_module_base): New.
15565 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15566 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15567 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15568 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15569 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15570 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15571 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15572 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15573 * config/i386/predicates.md (tls_modbase_operand): New.
15574 (tp_or_register_operand): New.
15576 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15578 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15579 (look_for_address_of): Ditto.
15580 (ipa_init): Walk the function decls.
15581 (static_execute): Don't set readonly on FUNCTION_DECL's.
15583 2006-01-18 Roger Sayle <roger@eyesopen.com>
15585 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15586 for shifts where the source and destination registers are different.
15588 2006-01-18 Paul Brook <paul@codesourcery.com>
15590 Merge from csl-arm-branch.
15591 2005-03-14 Julian Brown <julian@codesourcery.com>
15592 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15593 (aeabi_llsl): Likewise.
15594 (ashrdi3): Likewise.
15595 (aeabi_lasr): Likewise.
15596 (lshrdi3): Likewise.
15597 (aeabi_llsr): Likewise.
15598 2005-03-10 Julian Brown <julian@codesourcery.com>
15599 * config.gcc: Disable shared libgcc for SymbianOS.
15600 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15602 2006-01-18 DJ Delorie <dj@redhat.com>
15604 * c-pragma.c (handle_pragma_diagnostic): New.
15605 (init_pragma): Register it.
15606 * doc/extend.texi: Document it.
15608 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15609 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15610 (diagnostic_context): Add classify_diagnostic[].
15611 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15612 as errors if they're overridden to DK_WARNING.
15613 (diagnostic_initialize): Initialize classify_diagnostic[].
15614 (diagnostic_set_kind_override): New.
15615 (diagnostic_report_diagnostic): Check for kind changes.
15616 * opts.c (common_handle_option): Take lang_mask. Update callers.
15617 Handle OPT_Werror_.
15618 * common.opt (Werror=): New.
15619 * doc/invoke.texi: Document -Werror=*
15621 2006-01-18 Jeff Law <law@redhat.com>
15623 * tree-vrp.c (test_for_singularity): Correct test for new
15624 min limit. Use operand_equal_p rather than pointer equality
15625 for testing if new min/max values are equal.
15627 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15628 using range information until after propagation and folding.
15630 2006-01-18 Richard Henderson <rth@redhat.com>
15631 Aldy Hernandez <aldyh@redhat.com>
15632 Jakub Jelinek <jakub@redhat.com>
15633 Diego Novillo <dnovillo@redhat.com>
15635 * omp-low.c: New file.
15636 * c-omp.c: New file.
15638 2006-01-18 Richard Henderson <rth@redhat.com>
15639 Jakub Jelinek <jakub@redhat.com>
15640 Diego Novillo <dnovillo@redhat.com>
15642 * doc/invoke.texi: Document -fopenmp.
15643 * tree-dump.h (debug_function): Declare.
15644 * hooks.c (hook_bool_tree_bool_false): New function.
15645 (hook_tree_tree_null): Remove.
15646 (hook_tree_tree_tree_null): New.
15647 * hooks.h: Update to match.
15648 * tree-pretty-print.c (debug_tree_chain): New.
15649 (print_generic_expr): Handle TDF_CHAIN.
15650 (dump_generic_node): Handle BLOCK.
15651 Do not abort with incomplete SWITCH_EXPRs.
15652 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15653 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15654 print space after directive name.
15655 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15656 Handle OMP_MASTER and OMP_ORDERED.
15657 Handle printing of OMP_BODY just in one place, goto
15658 dump_omp_body in the rest of OMP_* nodes that have
15660 Don't handle clause nodes here. Update omp statements to
15661 use dump_omp_clauses.
15662 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15663 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15664 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15665 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15666 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15667 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15668 Adjust output for GOMP_PARALLEL.
15669 (dump_omp_clauses): New.
15670 (print_declaration): Dump DECL_VALUE_EXPR.
15671 (op_symbol_1): Split out of op_symbol.
15672 (dumping_stmts): Remove. Update all users.
15673 * cgraph.c (cgraph_analyze_queue): New.
15674 (cgraph_add_new_function): New.
15675 * cgraph.h (cgraph_analyze_queue): Declare.
15676 (cgraph_add_new_function): Declare.
15677 (cgraph_lower_function): Remove.
15678 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15679 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15680 and TYPE_P nodes in its default clause.
15681 (empty_body_p): New.
15682 (tree_range_check_failed): New.
15683 (build5_stat): New.
15684 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15685 OMP_CLAUSE_REDUCTION_MERGE,
15686 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15687 OMP_CLAUSE_PRIVATE_DEBUG,
15688 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15689 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15690 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15691 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15692 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15693 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15694 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15695 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15696 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15697 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15698 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15699 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15700 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15701 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15702 (TREE_RANGE_CHECK): New.
15703 (empty_body_p): Declare.
15704 (enum omp_clause_default_kind): New.
15705 (build_string_literal): Declare.
15706 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15707 (build5_stat, build5): Declare.
15708 * tree-pass.h (TDF_CHAIN): Define.
15709 * tree-pass.h (PROP_gimple_lomp): Define.
15710 (pass_lower_omp): Declare.
15711 * diagnostic.h (debug_tree_chain): Declare.
15712 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15714 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15715 * builtins.c (build_string_literal): Make extern.
15716 * gcc.c (include_spec_function): New.
15717 (static_spec_functions): Add it.
15718 (main): Move load of libgomp.spec ...
15719 (LINK_COMMAND_SPEC): ... here.
15720 (link_gomp_spec): New.
15721 (static_specs): Include it.
15722 (LINK_COMMAND_SPEC): Add link_gomp.
15723 (GOMP_SELF_SPECS): New.
15724 (driver_self_specs): Include it.
15725 (switch_matches): Don't mark inline.
15726 (main): Load libgomp.spec.
15727 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15728 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15729 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15730 * tree-gimple.h (enum omp_parallel): Declare.
15731 (determine_parallel_type): Declare.
15732 (omp_firstprivatize_variable): Declare.
15733 (omp_reduction_init): Declare.
15734 (diagnose_omp_structured_block_errors): Declare.
15735 (struct walk_stmt_info): Add want_return_expr.
15736 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15737 (find_omp_clause): Declare.
15738 (insert_field_into_struct): Declare.
15739 (struct walk_stmt_info): Move from tree-nested.c
15740 (walk_stmts): Declare.
15741 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15743 * cgraphunit.c (cgraph_lower_function): Make static.
15744 (cgraph_finalize_pending_functions): New.
15745 (cgraph_finalize_function): Call it.
15746 (cgraph_finalize_compilation_unit): Likewise.
15747 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15748 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15749 (BT_FN_UINT_UINT): New.
15750 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15751 DEF_FUNCTION_TYPE_VAR_4): Document.
15752 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15753 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15754 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15755 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15756 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15757 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15758 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15759 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15760 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15761 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15762 into separate files.
15763 (DEF_GOMP_BUILTIN): New.
15764 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15765 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15766 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15767 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15768 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15769 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15770 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15771 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15772 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15773 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15774 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15775 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15776 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15777 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15778 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15779 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15780 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15781 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15782 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15783 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15784 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15785 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15786 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15787 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15788 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15789 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15790 * sync-builtins.def: New file, moved from builtins.def.
15791 * omp-builtins.def: New file, moved from builtins.def.
15792 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15793 * gimple-low.c (lower_function_body): Clear data.
15794 (lower_stmt): Do not handle COMPOUND_EXPR.
15795 Remove call to print_node_brief.
15796 * c-tree.h (c_finish_omp_clauses): New prototype.
15797 (C_DECL_THREADPRIVATE_P): Define.
15798 (lookup_name_no_remap, c_omp_remap_private): Remove
15799 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15800 (check_for_loop_decls): Update decl.
15801 (lookup_name_no_remap, c_omp_remap_private): Declare.
15802 (build_indirect_ref, build_modify_expr, pushdecl,
15803 pushdecl_top_level): Move to c-common.h.
15804 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15805 before the switch, but just in the 2 places that need it.
15806 * c-decl.c (diagnose_mismatched_decls): Do not check for
15807 mismatched thread-local attributes when OLDDECL is marked
15808 threadprivate and NEWDECL has no thread-local attributes.
15809 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15810 (c_gimple_diagnostics_recursively): Rename from
15811 c_warn_unused_result_recursively. Invoke
15812 diagnose_omp_structured_block_errors.
15813 (check_for_loop_decls): Return a singular decl found.
15814 * langhooks.c (lhd_omp_predetermined_sharing): Return
15815 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15816 (lhd_omp_firstprivatize_type_sizes): New.
15817 (lhd_omp_assignment): New.
15818 (lhd_omp_predetermined_sharing): New.
15819 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15820 (struct lang_hooks_for_types): Add
15821 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15822 omp_predetermined_sharing, omp_disregard_value_expr,
15823 omp_private_debug_clause, omp_clause_default_ctor,
15824 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15825 (c_finish_omp_clauses): New.
15826 (c_finish_bc_stmt): Diagnose break within omp for.
15827 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15828 (build_unary_op): Return error_mark after reporting
15830 (build_modify_expr): Likewise.
15831 * gimplify.c: Include optabs.h and pointer-set.h.
15832 (enum gimplify_omp_var_data): Declare.
15833 (struct gimplify_omp_ctx): Declare.
15834 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15836 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15837 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15838 (splay_tree_compare_decl_uid): New.
15839 (new_omp_context): New.
15840 (delete_omp_context): New.
15841 (gimple_add_tmp_var): Call omp_add_variable.
15842 (gimplify_bind_expr): Likewise.
15843 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15844 true, disregard DECL_VALUE_EXPR on the decl if any.
15845 (gimplify_expr_in_ctx): New.
15846 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15847 omp_add_variable, omp_notice_variable, omp_is_private
15848 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15849 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15850 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15851 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15852 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15853 gimplify_omp_atomic): New.
15854 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15855 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15856 OMP_CRITICAL and OMP_ATOMIC.
15857 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15858 * c-pragma.h (enum pragma_kind): Add
15859 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15860 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15861 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15862 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15863 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15864 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15865 PRAGMA_OMP_THREADPRIVATE.
15866 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15867 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15868 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15869 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15870 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15871 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15872 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15873 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15874 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15875 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15876 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15877 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15878 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15880 (struct nesting_info): Add field_map,
15881 suppress_expansion, debug_var_chain.
15882 (create_nesting_tree): Initialize them.
15883 (lookup_field_for_decl): Use field_map.
15884 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15885 (convert_local_omp_clauses): New.
15886 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15887 (walk_body): Split out of walk_function.
15888 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15889 (convert_nonlocal_reference): Handle omp statements.
15890 (convert_local_reference): Likewise.
15891 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15892 (unnest_nesting_tree): New.
15893 (lower_nested_functions): Call it.
15894 (insert_field_into_struct): Make extern.
15895 (struct walk_stmt_info): Move to tree-gimple.h.
15896 (walk_stmts): Make extern.
15897 * omp-builtins.def: New file.
15898 * tree-iterator.c (expr_only): Clarify comment.
15899 * c-common.h (pushdecl_top_level, pushdecl,
15900 build_modify_expr, build_indirect_ref,
15901 c_finish_omp_master, c_finish_omp_critical,
15902 c_finish_omp_ordered, c_finish_omp_barrier,
15903 c_finish_omp_atomic, c_finish_omp_flush,
15904 c_finish_omp_for, c_split_parallel_clauses,
15905 omp_clause_default_kind, c_omp_sharing_predetermined,
15906 c_omp_remap_decl): Declare.
15907 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15908 (OBJS-common): Add omp-low.o.
15909 (c-omp.o, omp-low.o): Add.
15910 (gimplify.o): Add dependency on $(OPTABS_H).
15911 (GTFILES): Add omp-low.c.
15912 (gt-stringpool.h): Add.
15913 * tree-cfg.c (set_bb_for_stmt): Do not update the
15914 block-to-labels map if we are currently expanding to RTL.
15915 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15917 Handle IDENTIFIER_NODE.
15918 (tree_verify_flow_info): Do not ICE when emitting error
15919 messages about invalid labels.
15920 (dump_function_to_file): Reset CFUN before emitting the body
15922 (debug_function): New.
15923 * passes.c (init_optimization_passes): Schedule
15925 * langhooks-def.h (lhd_omp_predetermined_sharing,
15926 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15928 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15929 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15930 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15931 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15932 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15933 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15934 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15935 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15936 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15937 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15938 (LANG_HOOK_DECLS): Use them.
15940 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15941 Richard Henderson <rth@redhat.com>
15942 Jakub Jelinek <jakub@redhat.com>
15943 Diego Novillo <dnovillo@redhat.com>
15945 * c-parser.c (pragma_omp_clause): Define.
15946 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15947 (c_parser_compound_statement): Likewise.
15948 (c_parser_statement): Likewise.
15949 (c_parser_pragma): Handle omp pragmas.
15950 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15951 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15952 (c_parser_omp_clause_name, check_no_duplicate_clause,
15953 c_parser_omp_variable_list,
15954 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15955 c_parser_omp_clause_copyprivate,
15956 c_parser_omp_clause_default,
15957 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15958 c_parser_omp_clause_lastprivate,
15959 c_parser_omp_clause_nowait,
15960 c_parser_omp_clause_num_threads,
15961 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15962 c_parser_omp_clause_reduction,
15963 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15964 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15965 c_parser_omp_atomic, c_parser_omp_barrier,
15966 c_parser_omp_critical, c_parser_omp_flush,
15967 c_parser_omp_for_loop, c_parser_omp_for,
15968 c_parser_omp_master, c_parser_omp_ordered,
15969 c_parser_omp_sections_scope, c_parser_omp_sections,
15970 c_parser_omp_parallel, c_parser_omp_single,
15971 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15972 * c-pragma.c (init_pragma): Do omp pragma registration here.
15973 * c.opt (fopenmp): New flag.
15975 2006-01-18 Eric Christopher <echristo@apple.com>
15977 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15978 * config/darwin.h (GOMP_SELF_SPECS): Define.
15980 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15982 * rtl.h: Remove the prototype for reg_alloc.
15984 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15987 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15988 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15989 sjlj and dwarf2 exception handling.
15990 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15991 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15992 * pa/pa.c (function_value): Treat complex and vector types as
15994 (function_arg): Likewise. Only pass scalar floats in the floating
15995 point argument registers.
15996 * pa/t-slibgcc-dwarf-ver: New file.
15997 * pa/t-slibgcc-sjlj-ver: New file.
15998 * pa/t-slibgcc-elf-ver: Delete file.
16000 2006-01-19 Alan Modra <amodra@bigpond.net.au>
16002 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
16003 unlikely_test_section_p test.
16005 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16007 * mode-switching.c (optimize_mode_switching): Make it static.
16008 * basic-block.h: Remove the prototype for
16009 optimize_mode_switching.
16011 * modulo-sched.c (sms_schedule): Make it static.
16012 * rtl.h: Remove the prototype for sms_schedule.
16014 * postreload-gcse.c (gcse_after_reload_main): Make it static.
16015 * rtl.h: Remove the prototype for gcse_after_reload_main.
16017 * reg-stack.c (reg_to_stack): Make it static.
16018 * rtl.h: Remove the prototype for reg_to_stack.
16020 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
16022 * rtl.h: Remove the prototypes for regrename_optimize and
16023 copyprop_hardreg_forward.
16025 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
16027 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
16028 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
16029 Test against the appropriate null constant for the mode.
16030 If 'fixup_overlap' is true, swap the operands if they overlap.
16031 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
16032 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
16033 alpha_split_tmode_pair and adjust for above change.
16034 * config/alpha/alpha.md (movtf_internal): Adjust call to
16035 alpha_split_tfmode_pair and rely on it to swap the operands.
16036 (movti_internal): New insn and post-reload splitter.
16037 (movti): New expander.
16039 2006-01-18 Philippe De Muyter <phdm@macqel.be>
16041 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
16044 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
16046 * rtlanal.c (global_reg_mentioned_p_1,
16047 global_reg_mentioned_p): Remove.
16048 * rtl.h: Remove the prototype for global_reg_mentioned_p.
16050 * flow.c (initialize_uninitialized_subregs): Make it static.
16051 * rtl.h: Remove the prototype for
16052 initialize_uninitialized_subregs.
16054 * function.c (instantiate_virtual_regs): Make it static.
16055 * function.h: Remove the prototype for
16056 instantiate_virtual_regs.
16058 * regmove.c (regmove_optimize, combine_stack_adjustments):
16060 * rtl.h: Remove the prototypes for regmove_optimize and
16061 combine_stack_adjustments.
16063 2006-01-17 Roger Sayle <roger@eyesopen.com>
16065 * config/i386/i386.c (COSTS_N_BYTES): New macro.
16066 (size_cost): Encode costs in bytes so that a reg-reg addition is
16067 equivalent to COSTS_N_INSNS(1).
16068 (override_options): Use the size_cost.branch_cost as the default
16069 ix86_branch_cost when optimizing for size.
16071 2006-01-18 Ben Elliston <bje@au.ibm.com>
16073 * Makefile.in (D32PBIT_FUNCS): New.
16074 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
16075 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
16076 D64PBIT_FUNCS and D128PBIT_FUNCS.
16077 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
16078 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
16080 (decnumber_dep): Define.
16081 * doc/libgcc.texi (Decimal float library routines): New node.
16082 * config/dfp-bit.h, config/dfp-bit.c: New files.
16084 2006-01-18 Ben Elliston <bje@au.ibm.com>
16086 * expr.c (emit_move_change_mode): Always adjust addresses, not
16087 just during reload. Copy replacements only during reload.
16088 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
16089 emit_move_via_integer.
16091 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
16093 * Makefile.in (check-%, check-consistency): Use $${srcdir}
16094 instead of $(srcdir) and ${srcdir}.
16096 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
16099 PR middle-end/11135
16100 * arm.h (struct machine_function): Add pic_reg.
16101 * arm.c (arm_pic_register): Make unsigned.
16102 (arm_override_options): Only set arm_pic_register if
16103 TARGET_SINGLE_PIC_BASE.
16104 (use_return_insn): Only test for a pic register if it is fixed.
16105 (arm_compute_save_reg0_reg12_mask): Likewise.
16106 (thumb_compute_save_reg_mask): Likewise.
16107 (legitimate_pic_operand): Factor out some known invariants.
16108 (legitimize_pic_address): If we don't have a fixed pic register,
16109 then set up a pseudo in the function entry sequence. Handle the
16110 pic base being in a pseudo.
16111 (arm_load_pic_register): Handle the pic register being in a pseudo.
16112 (arm_expand_prologue): Only set up the pic register if it is fixed.
16113 (thumb_expand_prologue): Likewise.
16114 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
16115 (pic_load_addr_based_insn): Likewise.
16116 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
16119 2006-01-18 Ben Elliston <bje@au.ibm.com>
16121 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
16122 decimal float modes for all floating point registers.
16124 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
16125 match_code "mem" with match_test "macho_lo_sum_memory_operand".
16127 2006-01-17 Jakub Jelinek <jakub@redhat.com>
16130 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
16131 even when the pointer is not NULL.
16133 2006-01-16 Ian Lance Taylor <ian@airs.com>
16135 * common.opt (ftoplevel-reorder): New option.
16136 * cgraph.c (cgraph_asm_nodes): New global variable.
16137 (cgraph_asm_last_node): New static variable.
16138 (cgraph_order): New global variable.
16139 (cgraph_create_node): Set new order field.
16140 (cgraph_varpool_node): Likewise.
16141 (decide_is_variable_needed): Return true if not
16142 flag_toplevel_reorder.
16143 (cgraph_add_asm_node): New function.
16144 * cgraph.h (struct cgraph_node): Add order field.
16145 (struct cgraph_varpool_node): Add order field.
16146 (struct cgraph_asm_node): Define.
16147 (cgraph_asm_nodes, cgraph_order): Declare.
16148 (cgraph_add_asm_node): Declare.
16149 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
16151 (cgraph_varpool_assemble_pending_decls): Call it.
16152 (cgraph_output_pending_asms): New static function.
16153 (cgraph_finalize_compilation_unit): Call it.
16154 (struct cgraph_order_sort): Define.
16155 (cgraph_output_in_order): New static function.
16156 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
16157 !flag_toplevel_reorder case.
16158 * c-parser.c: Include "cgraph.h".
16159 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
16161 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
16162 than -fno-unit-at-a-time.
16163 * doc/invoke.texi (Option Summary): Mention
16164 -fno-toplevel-reorder.
16165 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
16166 -funit-at-a-time documentation.
16168 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16169 Kazu Hirata <kazu@codesourcery.com>
16171 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16173 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16175 * Makefile.in (FUNCTION_H): New. Use it instead of
16176 function.h throughout the file.
16177 * function.h: Include tree.h.
16179 2006-01-17 Ben Elliston <bje@au.ibm.com>
16181 * recog.c: Separate some functions with whitespace.
16183 2006-01-16 Richard Henderson <rth@redhat.com>
16185 Merge from gomp branch:
16186 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16187 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16188 and rename from struct inline_data. Rename callee* to dst*;
16189 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16190 transform_new_cfg, transform_return_to_modify, and
16191 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16193 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16194 (copy_decl_for_dup): Remove.
16195 * tree-inline.c (struct inline_data): Move to header.
16196 (insert_decl_map): Export.
16197 (remap_decl): Update for member name changes. Use copy_decl hook.
16198 Allow for replacement to be a non-decl. Remove dead code.
16199 (remap_type_1): Check for existing mapping.
16200 (remap_type): Export.
16201 (remap_decls): Update for member name changes.
16202 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16203 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16204 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16205 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16206 (tree_function_versioning, build_duplicate_type): Likewise.
16207 (copy_body_r): Likewise. Export.
16208 (copy_decl_for_dup): Split into ...
16209 (copy_decl_for_dup_finish, copy_decl_to_var,
16210 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16211 (replace_ref_tree, inlining_p): Remove.
16213 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16215 * ifcvt.c (if_convert): Make it static.
16216 * rtl.h: Remove the prototype for if_convert.
16218 * local-alloc.c (local_alloc): Make it static.
16219 * rtl.h: Remove the prototype for local_alloc.
16221 * loop.c (loop_optimize): Make it static.
16222 * cfgloop.h: Remove the prototype for loop_optimize.
16225 2006-01-16 DJ Delorie <dj@redhat.com>
16227 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16230 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16232 * pa.md: Disparage copies between general and floating-point registers
16233 in 32-bit move patterns.
16235 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16238 * Makefile.in (check-%): Depend on site.exp instead of
16239 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16242 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16244 * global.c (global_alloc): Make it static.
16245 * rtl.h: Remove the prototype for global_alloc.
16247 2006-01-16 Richard Guenther <rguenther@suse.de>
16249 * tree-ssa-alias.c (struct used_part): Add write_only field.
16250 (get_or_create_used_part_for): Initialize it to true.
16251 (create_overlap_variables_for): Don't create structure variables
16252 for structures that only are written to.
16253 (find_used_portions): Handle MODIFY_EXPR to track whether a
16254 structure is only written to.
16256 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16258 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16260 * basic-block.h: Remove the prototype for
16261 partition_hot_cold_basic_blocks.
16263 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16265 * cppspec.c (lang_specific_spec_functions): Remove.
16266 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16267 * gcc.h (lang_specific_spec_functions): Remove.
16268 * gccspec.c (lang_specific_spec_functions): Remove.
16270 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16272 * combine.c (record_value_for_reg): Invalidate registers
16274 (record_dead_and_set_regs_1): Likewise, by passing them to
16275 record_value_for_reg.
16276 (record_dead_and_set_regs): Invalidate stores made by a
16277 call. We do not combine across a call, but we still
16278 relied on equivalences.
16280 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16282 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16283 vrp_int_const_binop returning non-constant nodes.
16285 2006-01-16 Paul Brook <paul@codesourcery.com>
16287 * config/m68k/m68k.c (output_move_const_into_data_reg):
16288 Output correct mnemonic for mvz and mvs.
16290 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16292 * rtl-factoring.c: Add sequence abstraction algorithm.
16293 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16294 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16296 (block_has_preserve_label): New function.
16297 * common.opt: Register new pass.
16298 * Makefile.in: Ditto.
16300 * timevar.def: Ditto.
16301 * tree-pass.h: Ditto.
16302 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16303 * rtl.h (make_jump_insn_raw): Add forward decl.
16304 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16306 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16307 Roger Sayle <roger@eyesopen.com>
16309 * fold-const.c (fold_minmax): New static function.
16310 (fold_binary) <MIN_EXPR>: Call it.
16311 <MAX_EXPR>: Likewise.
16312 * stor-layout.c (place_field): Use DECL_SIZE consistently
16313 in the computation of the new record size.
16315 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16317 * cse.c (cse_condition_code_reg): Make it static.
16318 * rtl.h: Remove the prototype for cse_condition_code_reg.
16320 * combine.c (combine_instructions): Make it static.
16321 * rtl.h: Remove the prototype for combine_instructions.
16323 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16326 * tree.c (get_file_function_name_long): Concatenate the first global
16327 object name with a string derived from the input filename of the object
16330 2006-01-16 Ben Elliston <bje@au.ibm.com>
16332 * config/i386/winnt-stubs.c: Update FSF address.
16333 * config/xtensa/ieee754-df.S: Ditto.
16334 * config/xtensa/ieee754-sf.S: Ditto.
16336 2006-01-14 Ian Lance Taylor <ian@airs.com>
16338 * ifcvt.c (noce_init_if_info): New static function, broken out of
16339 noce_process_if_block.
16340 (noce_process_if_block): Call noce_init_if_info.
16341 (check_cond_move_block): New static function.
16342 (cond_move_process_if_block): New static function.
16343 (process_if_block): Call cond_move_process_if_block.
16345 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16347 * cselib.c (hash_table): Rename to cselib_hash_table.
16348 (cselib_clear_table, discard_useless_values,
16349 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16350 cselib_init, cselib_finish): Adjust uses of hash_table.
16352 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16354 PR tree-optimization/25485
16355 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16356 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16357 is known to be false and true, respectively.
16359 2006-01-14 Richard Guenther <rguenther@suse.de>
16361 PR tree-optimization/22548
16362 PR tree-optimization/22555
16363 PR tree-optimization/22501
16364 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16365 * params.def (salias-max-array-elements): New parameter.
16366 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16367 * doc/invoke.texi (salias-max-array-elements): Document.
16368 * tree-flow-inline.h (var_can_have_subvars): We also handle
16370 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16372 * tree-ssa-structalias.c (params.h): Include.
16373 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16374 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16375 (get_constraint_for): For ADDR_EXPR operating on something
16376 containing an ARRAY_REF, add all subvars to the solution.
16377 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16378 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16379 for creating MUST_DEFs.
16380 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16382 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16384 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16386 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16387 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16388 number_of_iterations_le): New functions.
16389 (number_of_iterations_special): Removed.
16390 (number_of_iterations_exit): Do not use number_of_iterations_special.
16391 * tree.c (unsigned_type_for): Always return integer type.
16393 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16394 Richard Guenther <rguenther@suse.de>
16396 PR rtl-optimization/24257
16397 * gcse.c (find_moveable_store): Only consider a store movable
16398 when the SET_SRC of the insn can be assigned to a register.
16400 2006-01-14 Ian Lance Taylor <ian@airs.com>
16402 * tree.c (tree_not_class_check_failed): New function.
16403 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16404 (tree_not_class_check_failed): Declare.
16406 2006-01-13 Ian Lance Taylor <ian@airs.com>
16408 * reload1.c (do_output_reload): Add assertion rejecting a
16411 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16413 * combine.c (struct reg_stat): Add new fields truncation_label and
16415 (record_value_for_reg): Reset truncated_to_mode.
16416 (record_truncated_value): New function.
16417 (check_promoted_subreg): Call it. Rename to check_conversions.
16418 (combine_instructions): Rename check_promoted_subreg to
16420 (reg_truncated_to_mode): New function.
16421 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16422 (gen_lowpart_or_truncate): New function.
16423 (force_to_mode): Use it instead of gen_lowpart.
16425 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16427 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16428 VAR is a tag, not its type tag.
16430 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16432 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16433 alternatives to match style of other entries.
16434 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16436 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16438 PR tree-optimization/25771
16439 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16442 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16445 * tree-inline.c (declare_return_variable): If the return variable
16446 was marked as a non gimple complex, set the return slot variable
16447 to be a non gimple comple variable.
16449 2006-01-13 Richard Guenther <rguenther@suse.de>
16451 * builtins.c (expand_builtin_sincos): New function.
16452 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16454 (expand_builtin): Expand sincos using expand_builtin_sincos.
16456 2006-01-12 DJ Delorie <dj@redhat.com>
16458 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16459 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16460 so that constant shifts can be split.
16461 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16462 (m32c_valid_pointer_mode): Make static.
16463 (shift_gen_func_for): New.
16464 (m32c_prepare_shift): Use it. Split large const shifts into
16466 * config/m32c/predicates.md (shiftcount_operand): Allow more
16468 (longshiftcount_operand): New.
16469 * doc/md.texi (Machine Constraints): Document In6.
16471 2006-01-13 Ben Elliston <bje@au.ibm.com>
16473 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16474 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16477 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16479 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16480 to try to avoid clobbering pieces of structures when we know
16481 something about the whole structure.
16482 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16484 2006-01-13 Ben Elliston <bje@au.ibm.com>
16486 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16487 return in memory, as this is no limitation is no longer present.
16489 2006-01-12 DJ Delorie <dj@redhat.com>
16491 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16492 mova with fb, and for fb+0 -> An.
16494 * config/m32c/mov.md (peephole2): Fix enabling logic.
16496 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16497 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16498 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16499 FINI_ARRAY_SECTION_ASM_OP): Define.
16501 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16503 (m32c_legitimize_reload_address): New logic to reload FB to An.
16504 (m32c_output_reg_push): Add newline.
16505 (m32c_output_reg_pop): Likewise.
16507 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16509 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16511 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16513 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16515 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16517 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16520 2006-01-11 Ben Elliston <bje@au.ibm.com>
16522 * rtlanal.c (find_reg_note): Assert insn is not null.
16524 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16526 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16529 2006-01-11 Jeff Law <law@redhat.com>
16531 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16533 (mark_threaded_blocks, register_jump_thread): New functions.
16534 (thread_through_all_blocks): Remove unwanted argument. No
16535 longer rely on e->aux to communicate thread target info.
16536 Call mark_threaded_blocks. Release the threaded_blocks
16537 bitmap and threaded_edges vector when complete.
16538 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16539 (threaded_blocks): Remove.
16540 (tree_ssa_dominator_optimize): Remove initialization and
16541 finalization of threaded_blocks. Simplify call to
16542 thread_through_all_blocks.
16543 (thread_across_edge): Call register_jump_thread rather than
16544 storing thread information into e->aux.
16545 (free_all_edge_infos): Simplify now that e->aux is no longer
16546 used to communicate with thread_through_all_blocks.
16547 * tree-flow.h (thread_through_all_blocks): Update prototype.
16548 (register_jump_thread): Prototype.
16550 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16552 * df-core.c (df_compact_blocks, df_bb_replace): Use
16553 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16555 2006-01-11 Richard Guenther <rguenther@suse.de>
16557 PR tree-optimization/25734
16558 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16559 stop propagation after successful propagation to the LHS.
16561 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16563 * basic-block.h (control_flow_graph): Change the type of
16564 x_basic_block_info to VEC(basic_block,gc) *.
16565 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16567 (SET_BASIC_BLOCK): New.
16568 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16569 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16570 * cfgbuild.c (find_basic_blocks): Likewise.
16571 * cfglayout.c (fixup_reorder_chain): Likewise.
16572 * cfgrtl.c (create_basic_block_structure,
16573 rtl_create_basic_block): Likewise.
16574 * ifcvt.c (find_if_case_1): Likewise.
16575 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16578 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16580 * Makefile.in: Removed rotted odf.c entry.
16582 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16585 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16586 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16587 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16588 output pattern modifier, not %e.
16589 * config/cris/cris.c (cris_op_str): Update comment about pattern
16591 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16592 before falling through into...
16593 <case 'E'>: Redefined from old 'e' case.
16595 2006-01-11 Jan Hubicka <jh@suse.cz>
16598 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16600 2006-01-11 Jan Hubicka <jh@suse.cz>
16602 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16603 * i386.c (x86_decompose_lea): Kill.
16604 (ix86_rtx_costs): Kill.
16606 2006-01-11 Jan Hubicka <jh@suse.cz>
16608 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16609 * cgraph.h (cgraph_node): Add inline_decl.
16610 (cgraph_insert_node_to_hashtable): Declare.
16611 (save_inline_function_body): Declare.
16612 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16614 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16615 (cgraph_function_versioning): Update call of tree_function_versioning.
16616 (save_inline_function_body): New function.
16617 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16618 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16619 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16620 (cgraph_default_inline_p): Likewise.
16621 (cgraph_decide_inlining_incrementally): Likewise.
16622 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16623 (copy_bb): Kill saving; do updating of clones.
16624 (copy_cfg_body): Kill saving.
16625 (initialize_inlined-parameters): Likewise.
16626 (expand_call_inline): Likewise.
16628 (tree_function_versioning): New parameter "update_clones".
16629 (inlining_p): Kill saving.
16630 * tree-inline.h (tree_function_versioning): Update prototype.
16631 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16634 2006-01-11 Ian Lance Taylor <ian@airs.com>
16636 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16637 Allow undoing set of machine mode.
16638 (do_SUBST): Use enums instead of is_int.
16639 (do_SUBST_MODE): New function.
16640 (SUBST_MODE): New macro.
16641 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16642 reg and trying to replace reg_regno_rtx with a new register.
16643 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16644 (simplify_set): Use SUBST_MODE.
16645 (distribute_notes): Remove code that tried to update reg notes
16646 for regno_reg_rtx changes.
16648 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16650 PR tree-optimization/23109
16651 PR tree-optimization/23948
16652 PR tree-optimization/24123
16654 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16655 * tree-cfg.c (single_noncomplex_succ): New.
16656 * tree-flow.h (single_noncomplex_succ): Declare it.
16657 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16658 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16659 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16660 insert_bb, register_division_in, insert_reciprocals,
16661 replace_reciprocal, free_bb): New.
16662 (execute_cse_reciprocals_1): Rewritten.
16663 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16664 Do not commit any edge insertion. Always compute dominators and
16665 create the allocation pool.
16666 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16667 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16668 * targhooks.c (default_min_divistions_for_recip_mul): New.
16669 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16670 * passes.c (init_optimization_passes): Run recip after tree loop
16672 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16674 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16675 Kenneth Zadeck <zadeck@naturalbridge.com>
16677 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16678 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16679 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16680 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16681 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16682 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16683 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16684 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16685 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16686 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16687 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16688 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16689 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16690 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16691 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16692 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16693 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16694 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16695 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16696 DF_SCAN_POST_ALLOC): New macros.
16697 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16698 df_free_bb_function, df_local_compute_function, df_init_function,
16699 df_dataflow_function, df_confluence_function_0,
16700 df_confluence_function_n, df_transfer_function,
16701 df_finalizer_function, df_free_function, df_dump_problem_function,
16702 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16703 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16704 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16705 df_urec_bb_info, ) New types.
16706 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16708 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16709 df_analyze_simple_change_some_blocks,
16710 df_analyze_simple_change_one_block, df_compact_blocks,
16711 df_bb_replace, df_bb_regno_last_use_find,
16712 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16713 df_insn_regno_def_p, df_find_def, df_find_use,
16714 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16715 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16716 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16717 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16718 debug_df_chain, df_get_dependent_problem, df_chain_create,
16719 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16720 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16721 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16722 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16723 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16724 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16725 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16726 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16727 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16728 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16729 df_reorganize_refs, df_set_state, df_hard_reg_init,
16730 df_read_modify_subreg_p) New public functions.
16731 * df-core.c: The core dataflow solver and glue routines for rtl
16733 (df_init, df_add_problem, df_set_blocks, df_finish,
16734 df_hybrid_search_forward, df_hybrid_search_backward,
16735 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16736 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16737 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16738 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16739 df_reg_defined, df_find_use, df_reg_used, df_dump,
16740 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16741 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16742 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16743 debug_df_useno, reset_df_after_reload): New functions.
16744 * df-scan.c: The scanning fuctions, once in df.c, completely
16745 rewritten so that they now fully model the functionality of
16746 register usage at the backend.
16747 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16748 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16749 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16750 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16751 df_get_artificial_defs, df_get_artificial_uses,
16752 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16753 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16754 df_refs_delete, df_reorganize_refs, df_set_state,
16755 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16756 df_def_record_1, df_defs_record, df_uses_record,
16757 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16758 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16759 df_record_exit_block_uses, df_hard_reg_init): New functions.
16761 * df-problems.c: Seven concrete dataflow problems that use the
16762 scanning in df-scan.c and are solved by the engine in df-core.c.
16763 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16764 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16765 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16766 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16767 df_ru_free_bb_info, df_ru_alloc,
16768 df_ru_bb_local_compute_process_def,
16769 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16770 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16771 df_ru_transfer_function, df_ru_free, df_ru_dump,
16772 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16773 df_rd_free_bb_info, df_rd_alloc,
16774 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16775 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16776 df_rd_transfer_function, df_rd_free, df_rd_dump,
16777 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16778 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16779 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16780 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16781 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16782 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16783 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16784 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16785 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16786 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16787 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16788 df_urec_mark_reg_use_for_earlyclobber,
16789 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16790 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16791 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16792 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16793 df_chain_create_bb_process_use, df_chain_create_bb,
16794 df_chain_finalize, df_chain_free, df_chains_dump,
16795 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16796 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16797 df_reg_lifetime): New functions.
16798 * df.c: Deleted file.
16799 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16800 consistent with new df api.
16801 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16802 rest_of_handle_sms): Ditto.
16803 * web.c (unionfind_union, union_defs, entry_register, web_main):
16805 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16806 invariant_expr_equal_p, find_defs, check_dependencies,
16807 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16808 free_inv_motion_data, move_loop_invariants): Ditto.
16809 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16810 Update dependencies.
16811 (odf.c): Added defective entry that was deleted later in day.
16812 * sched-deps.c (sched_analyze_1): Ditto.
16814 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16816 * tree-ssa-operands.c (get_expr_operands): Record addressable
16817 variables directly. Do not call add_stmt_operands for CONST_DECLs
16819 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16820 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16822 2006-01-11 Ben Elliston <bje@au.ibm.com>
16824 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16825 function returns true in the positive case.
16827 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16830 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16831 for SI, DI, SF and DF modes. Add alternatives to copy between
16832 general and floating point registers to the 32-bit patterns.
16833 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16834 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16835 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16836 generating 64-bit code.
16837 * config/pa/pa.c (output_move_double): Handle copies between general
16838 and floating registers.
16840 2006-01-10 Stuart Hastings <stuart@apple.com>
16842 * config/i386/i386.md (set_got): Update.
16843 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16844 (builtin_setjmp_receiver): Mach-O support.
16845 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16846 (GOT_SYMBOL_NAME): Define.
16847 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16848 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16849 * config/i386/i386.c (override_options): Revise for Darwin.
16850 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16851 support. (darwin_x86_file_end): New. (output_set_got): Add label
16852 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16853 * config/i386/i386-protos.h (output_set_got): Likewise.
16854 * config/darwin.c (machopic_legitimize_pic_address): Update
16857 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16859 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16860 when MODE isn't BLKmode.
16862 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16864 PR rtl-optimization/25367
16865 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16867 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16870 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16871 for a negative bound.
16873 2006-01-10 Richard Guenther <rguenther@suse.de>
16875 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16876 Never override with anything constraint.
16878 2006-01-10 Jan Beulich <jbeulich@novell.com>
16880 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16881 256 bits when optimize_size.
16883 2006-01-10 Jan Beulich <jbeulich@novell.com>
16885 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16887 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16888 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16891 2006-01-10 Ben Elliston <bje@au.ibm.com>
16893 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16895 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16896 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16897 (USE_FP_FOR_ARG): Reject decimal float modes.
16898 (function_arg_advance): Likewise.
16899 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16900 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16901 point types in AltiVec vectors.
16902 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16903 (rs6000_libcall_value): Likewise.
16905 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16907 * config/xtensa/ieee754-df.S: New file.
16908 * config/xtensa/ieee754-sf.S: New file.
16909 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16910 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16911 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16913 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16915 * config/sh/predicates.md (binary_float_operator,
16916 binary_logical_operator, commutative_float_operator,
16917 equality_comparison_operator, greater_comparison_operator,
16918 less_comparison_operator, logical_operator,
16919 noncommutative_float_operator, shift_operator,
16920 symbol_ref_operand, unary_float_operator): Remove redundant
16923 2006-01-09 Jeff Law <law@redhat.com>
16925 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16926 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16927 now unused arguments. Callers updated.
16928 (eliminate_redundant_computations): Remove now unused arguments,
16930 (local_fold): Remove, no longer used.
16931 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16933 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16934 (simplify_cond): New function.
16935 (forward_propagate_into_cond): Call simplify_cond.
16937 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16939 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16940 (*vec_extractv2di_1_sse): New.
16942 2006-01-09 Ben Elliston <bje@au.ibm.com>
16944 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16946 2006-01-08 Richard Guenther <rguenther@suse.de>
16948 * tree-ssa-structalias.c (get_constraint_for): Remove
16949 anyoffset argument.
16950 (get_constraint_for_component_ref): Likewise.
16951 (do_deref): Likewise.
16952 (get_constraint_for): Likewise.
16953 (do_structure_copy): Likewise.
16954 (handle_ptr_arith): Likewise.
16955 (find_func_aliases): Likewise. Remove unused need_anyoffset
16958 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16959 Kaz Kojima <kkojima@gcc.gnu.org>
16961 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16962 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16963 (EXTRA_CONSTRAINT_C16): Remove.
16964 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16965 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16966 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16967 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16968 constants of SHmedia. Handle nested constant expressions of
16970 (andcosts): Fix the costs for SHmedia constants.
16971 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16972 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16973 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16974 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16975 (movv4hi_i, movv2si_i): Likewise.
16976 (movsi_const): Adjust the second operand of ior so to match with
16977 the Csu constraint.
16978 (movdi_const, movdi_const_32bit): Likewise.
16979 (movdi_const_16bit+1): Don't sign-extend LOW.
16980 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16982 (*double_shori): Fix the split condition. Use GEN_INT instead
16983 of get_int_mode calls. Mask lower 16-bit of the argument of
16985 (sym2GOTPLT): Remove.
16986 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16988 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16989 instead of EXTRA_CONSTRAINT_C16.
16991 2006-01-07 Ian Lance Taylor <ian@airs.com>
16992 David Edelsohn <edelsohn@gnu.org>
16994 PR rtl-optimization/25662
16995 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16996 for constant operands instead of simplify_gen_binary.
16997 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16998 after trying simplify_binary_operation
17000 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
17002 * tree.c (iterative_hash_expr): Hash decls based on UID.
17004 2006-01-06 Eric Christopher <echristo@apple.com>
17006 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
17007 (TARGET_UNWIND_EMIT): Fix spelling.
17008 * target.h (gcc_target): Add except_table_label.
17009 * except.c (output_function_exception_table): Use.
17010 * varasm.c (default_emit_except_table_label): New.
17011 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
17013 (asm_out): Add here.
17014 * output.h (default_emit_except_table_label): Prototype.
17015 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
17016 * config/darwin.c (darwin_emit_except_table_label): Define.
17017 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
17019 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
17021 PR tree-optimization/18527
17022 * tree-ssa-loop-niter.c (number_of_iterations_cond,
17023 number_of_iterations_special, number_of_iterations_exit):
17024 Move base and step of an iv to a single structure. Add
17025 no_overflow flag, and use it in # of iterations analysis.
17026 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
17027 folded_casts argument.
17028 (simple_iv): Pass base and step in a structure. Set no_overflow
17030 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
17031 Evaluate expensiveness of computing # of iterations instead of
17032 the final expression.
17033 * tree-scalar-evolution.h (affine_iv): New structure.
17034 (simple_iv): Declaration changed.
17035 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
17036 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
17037 find_givs_in_stmt): Changed due to simple_iv change.
17039 2006-01-06 Jeff Law <law@redhat.com>
17042 * tree-cfg.c (bsi_replace): Rename final argument from
17043 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
17044 change (stmt -> orig_stmt).
17045 * tree-eh.c (verify_eh_throw_stmt_node): New function.
17046 (bsi_remove): Add new argument. Remove EH information
17048 (verify_eh_throw_table_statements): New function.
17049 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
17051 * tree-optimize.c (execute_free_cfg_annotations): Verify
17052 the EH throw statement table after removing annotations.
17053 * except.h (verify_eh_throw_table_statements): Prototype.
17054 * tree-flow.h (bsi_remove): Update prototype.
17055 * tree-vrp.c (remove_range_assertions): Add new argument to
17057 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
17058 * tree-complex.c (expand_complex_div_wide): Likewise.
17059 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
17060 * tree-tailcall.c (eliminate_tailcall): Likewise.
17061 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
17062 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
17063 * tree-nrv.c (tree_nrv): Likewise.
17064 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
17065 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
17066 (combine_blocks): Likewise.
17067 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
17068 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
17069 (cleanup_control_flow): Likewise.
17070 (remove_forwarder_block): Likewise.
17071 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
17072 * tree-sra.c (sra_replace): Likewise.
17073 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
17074 (forward_propagate_single_use_vars): Likewise.
17075 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
17076 * tree-inline.c (expand_call_inline): Likewise.
17077 * tree-vect-transform.c (vect_transform_loop): Likewise.
17078 * tree-outof-ssa.c (rewrite_trees): Likewise.
17079 * tree-cfg.c (make_goto_expr_edges): Likewise.
17080 (cleanup_dead_labels): Likewise.
17081 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
17082 (bsi_move_before, bsi_move_after): Likewise.
17083 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
17084 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
17086 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
17089 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
17091 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
17092 on non gimple variables. Also add checks at the top for decls and
17094 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
17096 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
17097 and IMAGPART_EXPR for creating MUST_DEFs.
17098 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
17099 and NAME_MEMORY_TAG separately from the DECLs.
17101 2006-01-06 Richard Guenther <rguenther@suse.de>
17103 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
17104 annotation, if necessary.
17105 * tree-ssa-pre.c (create_expression_by_pieces): Remove
17106 redundant calls to update_stmt.
17107 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
17110 2006-01-05 Richard Henderson <rth@redhat.com>
17112 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
17114 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17116 * c-typeck.c: Update copyright date.
17118 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
17120 * c-typeck.c (build_c_cast): Always warn when casting
17121 from a pointer to an integer of different size, even if
17122 the node was constant.
17124 2006-01-05 Richard Guenther <rguenther@suse.de>
17126 PR tree-optimization/22555
17127 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
17128 if one structure field is an array.
17129 * tree-ssa-operands.c (get_expr_operands): Continue scanning
17130 operands even if we found a subvar, but ignore VOPs in this
17132 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
17134 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
17136 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
17138 PR middle-end/24998
17139 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
17141 2006-01-05 Richard Guenther <rguenther@suse.de>
17142 Diego Novillo <dnovillo@redhat.com>
17144 * tree-pass.h (TODO_remove_unused_locals): Define.
17145 * gimple-low.c (expand_var_p, remove_useless_vars,
17146 pass_remove_useless_vars): Remove. Update all users.
17147 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
17148 (remove_unused_locals): New function.
17149 * tree-flow.h (remove_unused_locals): Declare.
17150 * passes.c (execute_todo): Call remove_unused_locals if
17151 TODO_remove_unused_locals is set.
17152 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
17153 * tree-ssa-dce.c (pass_dce): Likewise.
17154 * tree-outof-ssa.c (pass_del_ssa): Likewise.
17156 2006-01-05 Richard Guenther <rguenther@suse.de>
17158 * tree-flow.h (struct fieldoff): Decompose field to
17159 type, size and decl.
17160 * tree-ssa-alias.c (create_sft): Take type as parameter.
17161 (create_overlap_variables_for): Store type, size and decl
17162 in the fieldoff structure.
17163 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
17164 of struct fieldoff.
17165 (push_fields_onto_fieldstack): Likewise.
17166 (create_variable_info_for): Likewise. Use offset for the
17167 SFT name if the decl is not available.
17169 2006-01-04 Paul Brook <paul@codesourcery.com>
17171 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17173 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17175 * lambda-code.c (can_put_in_inner_loop): Relax
17177 (can_put_after_inner_loop): New function.
17178 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17179 (perfect_nestify): Change to make copies and modify uses.
17181 2006-01-04 Richard Henderson <rth@redhat.com>
17183 Merge from gomp branch:
17184 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17185 via integer constant.
17186 (pragma_lex): Remove.
17187 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17188 rather than parsing it.
17189 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17190 handle_pragma_extern_prefix): Add %< %> quotes.
17191 (registered_pragmas): New.
17192 (c_register_pragma_1): New.
17193 (c_register_pragma): Use it.
17194 (c_register_pragma_with_expansion): Likewise.
17195 (c_invoke_pragma_handler): New.
17196 (init_pragma): Use cpp_register_deferred_pragma directly for
17198 * c-pragma.h (enum pragma_kind): New.
17199 (pragma_handler): New.
17200 (c_invoke_pragma_handler): Declare.
17201 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17203 * c-common.h (c_common_pch_pragma): Update decl.
17204 * Makefile.in (c-parser.o): Update dependencies.
17205 (GTFILES): Add c-pragma.h.
17206 * c-parser.c (struct c_token): Add pragma_kind.
17207 (struct c_parser): Add in_pragma.
17208 (c_lex_one_token): Always initialize keyword and pragma_kind.
17209 Extract data for CPP_PRAGMA.
17210 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17211 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17212 Don't allow CPP_PRAGMA_EOL if in_pragma.
17213 (c_parser_consume_pragma): New.
17214 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17215 (c_parser_skip_to_end_of_parameter): Likewise.
17216 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17217 (c_parser_skip_to_pragma_eol): New.
17218 (c_parser_external_declaration): Handle CPP_PRAGMA.
17219 (c_parser_compound_statement_nostart): Likewise.
17220 (c_parser_statement_after_labels): Likewise.
17221 (c_parser_pragma): New.
17222 (pragma_lex): Likewise.
17223 (c_parser_pragma_pch_preprocess): New.
17224 (c_parser_new): Merge into ...
17225 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17227 2006-01-04 Jeff Law <law@redhat.com>
17230 * tree-cfg.c (bsi_replace): Remove the original statement
17231 from the EH throw statement table.
17233 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17235 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17236 make the prototype extern "C" and add throw ().
17239 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17240 and pos non-negative and pos + len <= 32.
17241 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17242 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17243 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17246 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17247 as well as sizes not multiple of component size.
17250 * function.c (instantiate_expr): New function.
17251 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17252 walk its DECL_VALUE_EXPR with instantiate_expr.
17254 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17255 DW_OP_deref{,_size} if address isn't going to be added.
17257 2006-01-04 Ben Elliston <bje@au.ibm.com>
17259 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17260 * config/fp-bit.c: Likewise.
17262 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17264 * dominance.c: Add comment about why we use DFS numbering
17267 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17268 Richard Henderson <rth@redhat.com>
17270 Merge from gomp-branch:
17271 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17272 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17274 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17276 PR rtl-optimization/25578
17277 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17278 pass a parameter to simplify_shift_const if changing ASHIFTRT
17281 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17283 * builtins.c (get_builtin_sync_mem): New function.
17284 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17285 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17286 Call get_builtin_sync_mem to generate mem rtx.
17288 2006-01-03 Richard Guenther <rguenther@suse.de>
17291 * stmt.c (add_case_node): Make sure to clear overflow flags
17294 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17296 Merge from gomp-branch.
17297 * config/sparc/sync.md: New file.
17298 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17299 UNSPECV_LDSTUB): New constants.
17300 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17301 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17302 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17305 2006-01-03 Roger Sayle <roger@eyesopen.com>
17307 * combine.c (reg_subword_p): New predicate to test whether the
17308 destination of a set refers to a subword/piece of a register.
17309 (try_combine): Generalize the code to merge the setting of a
17310 pseudo to a constant followed by a set of a subword of that
17311 register to a constant.
17313 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17315 * basic-block.h (control_flow_graph): Change the type of
17316 x_label_to_block_map to VEC(basic_block,gc) *.
17317 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17318 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17320 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17321 VEC(basic_block,heap) *.
17322 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17323 ssa_prop_fini): Adjust the uses of cfg_blocks.
17325 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17327 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17329 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17330 hashing trees instead of a pointer hash.
17331 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17332 compare for MEM_EXPR.
17334 PR rtl-optimization/25130
17335 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17336 when comparing MEMs for GCSE
17338 2006-01-03 Ben Elliston <bje@au.ibm.com>
17340 * targhooks.h (default_decimal_float_supported_p): Declare.
17341 * targhooks.c (default_decimal_float_supported_p): Define.
17342 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17343 `default_decimal_float_supported_p'.
17344 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17346 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17348 * combine.c (apply_distributive_law <SUBREG>): Check
17349 TRULY_NOOP_TRUNCATION.
17351 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17353 * dwarf2out.c (have_switched_text_section): Delete.
17354 (have_multiple_function_sections): New.
17355 (have_location_lists): Make 'bool'.
17356 (add_AT_loc_list): Use 'true' not '1'.
17357 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17358 (output_loc_list): Use have_multiple_function_sections.
17359 (output_ranges): Likewise.
17360 (dwarf2out_begin_function): Set have_multiple_function_sections if
17362 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17363 Check function_section rather than DECL_SECTION_NAME.
17364 (dwarf2out_finish): Use have_multiple_function_sections.
17365 Don't clear have_location_lists.
17367 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17368 Jan Hubicka <jh@suse.cz>
17370 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17371 case of conditional jump jumping to the next instruction.
17372 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17373 cases of conditional jump jumping to the next instruction.
17375 2006-01-02 Jan Hubicka <jh@suse.cz>
17377 * i386.c (*_cost): Add COSTS_N_INSNS.
17378 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17380 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17383 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17385 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17387 * config/arm/arm.c (all_fpus): Fix comment typo.
17388 * config/darwin.c: Likewise.
17389 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17390 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17391 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17393 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17395 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17396 (rs6000_split_compare_and_swapqhi): New.
17397 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17398 (sync_compare_and_swapqhi_internal): New.
17399 * config/rs6000/rs6000-protos.h: Declare.